CN204922229U - Motor wire presss from both sides, subassembly and motor are fixed to power cord - Google Patents

Abstract

The utility model is applicable to the field of electric motors, and provides a motor wire clamp, a power cord fixing assembly and a motor, wherein the motor wire clamp includes a first clamping plate and a second clamping plate that covers the first clamping plate, and the second clamping plate covers the first clamping plate. There are several wire grooves located at the outlet of the motor on the first wire clamping plate and several wire locks located inside the motor for snapping in and positioning the power wires. The groove alignment is arranged to press each power cord to the boss in each wire groove respectively. The utility model compresses and positions the part of the power cord located at the outlet of the motor through the cooperation of the wire groove and the boss, and snaps in the part of the power cord located in the motor by adding a wire lock on the first clamping plate. positioning; and because the power cord can be snapped into the wire lock and wire groove by pressing the installation method, it enables the retractable positioning of the power cord to be completed by automatic machine operation, which improves the production efficiency of the motor and reduces the motor's Labor cost.

Description

Motor wire clamp, power cord fixing component and motor

technical field

The utility model belongs to the field of motors, in particular to a motor lead clamp, a power cord fixing assembly with the motor lead clamp and a motor with the power cord fixing assembly.

Background technique

Traditional position sensorless brushless DC motors have the following problems when dealing with power lines:

1) The connection method between the power cord and the lead pins of the U/V/W three-phase windings is as follows: First, pass the end of the power cord with the insulation sheath removed through the round hole on the lead pins of the winding, and then use an electric soldering iron, Solder wire, etc., weld and fix the end of the power cord to the winding lead pin. This connection method requires manual threading, soldering and other operations, which is very inconvenient, low in efficiency, unable to realize automatic production, and there is also a quality risk of false welding;

2) The method of organizing, retracting and positioning the power cord in the motor is as follows: put two heat-shrinkable sleeves on the power cord in advance (one of the heat-shrinkable sleeves is placed outside the three power cords at the same time, and the other is heat-shrinkable). The shrink sleeve is set outside the two power cords), and after the welding of the power cord and the winding lead pin is completed, heat the shrink sleeve with a heat gun to realize the positioning of each power cord. This positioning method also requires manual threading operation, the operation process is complicated, consumes a lot of manpower and time, and cannot realize automatic operation.

In order to solve the problems of the above-mentioned traditional technology, the prior art proposes a scheme of designing a special terminal to connect the power cord and the winding lead pin. The specific operation process is: first fix one end of the power cord to the special terminal, The terminal is set on the winding lead pin through the connection hole on it, and finally the special terminal is welded and fixed on the winding lead pin by electric soldering iron, solder wire, etc. Although this solution has played a role in simplifying the operation process and improving efficiency compared with the above-mentioned traditional power line and U/V/W three-phase winding lead pin connection method, it still needs manual punching and insertion. Terminals, welding and other operations, so the improvement effect is not very obvious, and it is not easy to realize automatic production. In addition, this solution still uses a heat-shrinkable sleeve to retract and position the power cord. Therefore, the power cord retraction and positioning method still has the problems of complicated operation process, labor-intensive, time-consuming, and inability to realize automatic production.

Utility model content

The purpose of the utility model is to overcome the shortcomings of the above-mentioned prior art, and provide a motor wire clamp, a power cord fixing assembly and a motor, which solve the complex operation process and labor-intensive positioning of the existing power cord using a heat-shrinkable sleeve for retraction and positioning. There are many technical problems, low efficiency, and the inability to realize automatic production.

In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is: the motor wire clamp includes a first clamping plate and a second clamping plate that covers the first clamping plate, and the first clamping plate There are several wire grooves located at the outlet of the motor and several wire locks located inside the motor for snapping in and positioning the power wires. The second clamping plate is provided with several The slots are arranged in alignment and are used to respectively press the power cords against the bosses in the wire slots.

Preferably, the first clamping plate includes a first clamping plate body, several wire locks protruding from the first clamping plate body, and several wire locks recessed on the first clamping plate body. The wire slot on the board body, the second clamping plate includes the second clamping plate body and several bosses protruding from the second clamping plate body.

Preferably, the wire lock buckle includes two elastic pieces protruding from the first clamping plate body at intervals, and the two elastic pieces and the first clamping plate body are enclosed to form a cavity with an upward opening. The thread cavity, and the mouth of the thread containing cavity is smaller than the inner cavity of the thread containing cavity.

Preferably, the wire groove is a stepped groove, and the corresponding boss is a stepped boss.

Preferably, the first clamping plate is also provided with several positioning holes, and the second clamping plate is provided with several positioning posts respectively snap-fitted with each of the positioning holes, and each of the positioning The holes are respectively arranged on both sides of the wire groove, and each of the positioning columns is respectively arranged on both sides of the boss.

Preferably, the first clamping plate is also provided with several fixing holes for snap-fitting with the fixing columns on the plastic stator assembly.

Preferably, through-holes having the same number as the number of winding lead pins are provided through the first clamping plate for each of the winding lead pins to pass through and extend upwards and power the motor terminals to be press-fitted for installation.

The motor wire clip provided by the utility model compresses and positions the part of the power cord located at the outlet of the motor through the cooperation of the wire slot and the boss, and adds a wire lock on the first clamping plate to position the power cord. The part inside the motor is snapped into position, thereby realizing the retractable position of the power cord. And because the power cord can be snapped into the wire lock and wire groove by pressing the installation method, the operation process of retracting and retracting the power cord is simple and the operation difficulty is low, and the retracting and positioning of the power cord can be completed by automatic machine operation , improve the production efficiency of the motor, and reduce the labor cost in the motor production process.

Further, the utility model also provides a power cord fixing assembly, which includes a number of power cords, winding lead wire pins with the same number as the power cords, the above-mentioned motor wire clips, and the same number as the power cords Motor terminals, one end of each power cord is respectively connected to each winding lead pin through each motor terminal, and the part of each power cord located at the outlet of the motor is pressed on each of the bosses respectively. In each of the wire slots, and the part of the power cord between the motor terminal and the wire slot is locked and positioned by the wire lock.

Preferably, the winding lead wire pin is provided with an anti-dropping groove, and the motor terminal includes a base, a pin part that protrudes from the base and can be pressed into the winding lead wire pin, and along the One side of the base is bent and set to be used for crimping and fixing the wiring part with one end of the power cord, and the base is provided with an avoidance hole for the winding lead pin to pass through the pin part. The needle part is provided with a detachment preventing plate for engaging with the detachment prevention groove.

The power cord fixing assembly provided by the utility model adopts the above-mentioned motor wire clamp to retract and position the power cord, so the operation process of retracting and positioning the power cord can be simplified, and the retracting and positioning of the power cord can be done easily. It is completed by machine automation operation, which is beneficial to improve the production efficiency of the motor and reduce the labor cost in the motor production process. Here, the power line and the winding lead pin are connected through the motor terminal, which can help to simplify the connection operation process of the power line and the winding lead pin, thereby further improving the production efficiency of the motor.

Further, by providing an anti-off groove on the winding lead wire pin, an anti-off plate that is matched with the anti-off groove is provided on the pin of the motor terminal. In this way, the pin of the motor terminal can be covered The assembly of the motor terminal and the winding lead pin is realized by pressing and fitting it on the winding lead pin until the anti-off plate on the pin part snaps into the anti-off groove on the winding lead pin. Since there is no need for perforation and welding operations during the entire connection operation process of the power cord and the winding lead pin, it greatly simplifies the connection operation process of the power cord and the winding lead pin; and because the power cord The crimping operation with the wiring part and the inserting and pressing operation of the contact part on the winding lead wire pin can all be completed through automatic machine operation, so it effectively realizes the automatic connection operation of the power cord and the winding lead wire pin, realizing The goal of automatic production instead of manual production has been achieved, the production efficiency of the motor has been further improved and the labor cost in the production process of the motor has been reduced.

Further, the utility model also provides a motor, which includes a plastic-encapsulated stator assembly, an end cover arranged at one end of the plastic-enclosed stator assembly, and the above-mentioned power cord fixing assembly, and the power cord fixing assembly is installed and fixed on the plastic-enclosed stator assembly. Between the stator assembly and the end cover.

The motor provided by the utility model adopts the above-mentioned power cord fixing assembly, so the production efficiency and automatic production degree of the motor are improved, the labor cost in the production process of the motor is reduced, and the comprehensive competitiveness of the motor is improved.

Description of drawings

Fig. 1 is the exploded schematic view of the wire clip provided by the embodiment of the present invention;

Fig. 2 is a partially enlarged schematic diagram of place A in Fig. 1;

Fig. 3 is a schematic diagram of the assembly of the power cord, the motor terminal and the first clamping plate provided by the embodiment of the present invention;

Fig. 4 is a schematic diagram of the assembly of the power cord, motor terminal, first clamping plate and plastic-sealed stator assembly provided by the embodiment of the present invention;

Fig. 5 is a schematic cross-sectional view of B-B in Fig. 4;

Fig. 6 is an assembly schematic diagram of the power cord, motor terminal, first clamping plate, plastic-sealed stator assembly and second clamping plate provided by the embodiment of the utility model;

Fig. 7 is a schematic diagram of the assembly of the motor provided by the embodiment of the present invention;

Fig. 8 is a schematic cross-sectional view of C-C in Fig. 7;

Fig. 9 is a three-dimensional schematic diagram of a motor terminal provided by an embodiment of the present invention;

Fig. 10 is a schematic plan view of a motor terminal provided by an embodiment of the present invention;

Fig. 11 is a schematic diagram of the cooperation between the motor terminal and the winding lead wire pin provided by the embodiment of the present invention;

Fig. 12 is a schematic front view of the winding lead pin provided by the embodiment of the present invention;

Fig. 13 is a schematic left view of the winding lead pin provided by the embodiment of the present invention.

Detailed ways

In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

It should be noted that when an element is described as being “fixed” or “disposed on” another element, it may be directly on the other element or there may be an intervening element at the same time. When an element is described as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present.

It should also be noted that the orientation terms such as left, right, up, down, top, and bottom in the following examples are only relative concepts or refer to the normal use status of the product, and should not be regarded as having restrictive.

As shown in Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 8, the motor wire clamp 4 provided by the embodiment of the present invention includes a first clamping plate 41 and a first clamping plate 41 covered on the first clamping plate 41. Two clamping plates 42, the first clamping plate 41 is provided with several wire grooves 413 located at the outlet of the motor and several wire locks 412 located in the motor for supplying the power cord 2 into position, the second clamp The wire plate 42 is provided with a plurality of protrusions 421 respectively aligned with the wire grooves 413 for pressing the power wires 2 into the wire grooves 2 respectively. Each power cord 2 passes through the space formed by each wire slot 413 and each boss 421 respectively in the motor. The motor wire clamp 4 provided by the embodiment of the utility model compresses and positions the part of the power wire 2 located at the outlet of the motor through the cooperation of the wire slot 2 and the boss 421, and by adding wires on the first clamping plate 41 The locking buckle 412 supplies power to the part of the power cord 2 inside the motor to snap into position, thereby realizing the retractable positioning of the power cord 2 . And because the power cord 2 can be snapped into the wire lock 412 and the wire slot 413 through the press-fit installation method, the retractable operation process of the power cord 2 is simple and the operation difficulty is low, and the retractable positioning of the power cord 2 can be made easily. It is completed by machine automation operation, which improves the production efficiency of the motor and reduces the labor cost in the motor production process.

Preferably, as shown in FIGS. 1-4 , the first clamping plate 41 includes a first clamping plate body 414 , several escape holes 111 penetrating through the first clamping plate body 414 , and several relief holes 111 protruding from the first clamping plate body 414 . The wire lock 412 on a clamping plate body 414 and several grooves 413 recessed on the first clamping plate body 414, and the second clamping plate 42 includes a second clamping plate body 422 and several convex sets The boss 421 on the second clamping plate body 422 . The wire lock 412 includes two elastic pieces 4121 protruding from the first clamping plate body 411 at intervals, and the two elastic pieces 4121 and the first clamping plate body 414 are enclosed to form a cavity 4123 with a cavity 4123 open upwards to accommodate the wire chamber 4122, and The mouth 4123 of the thread containing cavity 4122 is smaller than the inner cavity of the thread containing cavity 4122 . During specific installation, the power cord 2 can be pressed into the wire-holding chamber 4122 from the mouth 4123 by elastically deforming the shrapnel 4121. After the power cord 2 is completely inserted into the wire-holding chamber 4122, the shrapnel 4121 can recover elastically. Under the action of force, the power cord 2 is pressed tightly in the wire cavity 4122, so that the locking and positioning of the power cord 2 can be effectively realized.

Preferably, as shown in FIG. 1 and FIG. 6 , the wire groove 413 is a stepped groove, and the boss 421 corresponds to the stepped boss 421. The wire groove 413 includes a first groove portion 4131 and is located between the first groove portion 4131 and the radial direction of the motor. The second groove 4132 between the central shafts of the motor and whose recessed depth is greater than that of the first groove 4131. The boss 421 is provided in alignment with the first groove 4131 for pressing the power cord 2 onto the first groove. The first step 4211 in the groove part 4131 and the second step 4212 arranged in alignment with the second groove part 4132 are used to press the power cord 2 into the second groove part 4132. The second step 4212 is located along the radial direction of the motor. The protrusion height of the second step 4212 between the first step 4211 and the central shaft of the motor is greater than that of the first step 4211 . Here, by setting the line groove 413 as a stepped groove, and setting the boss 421 as a stepped boss 421, the power cord 2 can be bent and passed through the motor, which is beneficial to improve the sealing and waterproofing of the motor. effect, and is conducive to improving the stability and reliability of the positioning of the power cord 2 .

Preferably, as shown in FIG. 1 , FIG. 3 , FIG. 5 and FIG. 8 , the first clamping plate 41 is also provided with the same number of winding lead wire pins 3 for passing each winding lead wire pin 3 respectively. Through the through hole 411 that extends upward and presses the power supply terminal 1 into the installation. The setting of the through hole 411 can effectively prevent the first clamping plate 41 from interfering with the connection of the motor terminal 1 and the winding lead pin 3, and facilitate the base 11 of the motor terminal 1 to pass through the first clamping plate 41 and snap into the fixed position. It is located in the installation groove of the plastic-sealed stator assembly 5.

Preferably, there are three power cords 2 in this embodiment, three corresponding motor terminals 1, through holes 411, wire locks 412, wire grooves 413 and bosses 421, three through holes 411 and three wire locks The buckles 412 are alternately arranged at intervals along the circumferential direction, and the three wire locks 412 are respectively arranged in front of the three through holes 411 along the direction in which the power cord 2 penetrates into the motor. Among them, the wire lock 412 between the wire slot 413 and the through hole 411 closest to the wire slot 413 positions the three power cords 2 at the same time, and the next wire lock 412 only positions the two power wires 2, and finally One wire lock 412 only positions one power cord 2 . Of course, in a specific application, the number of wire locks 412 can also be other values.

Preferably, as shown in FIG. 1 , several positioning holes 415 are provided on the first clamping plate 41 , and several positioning columns 423 correspondingly fitted with each positioning hole 415 are provided on the second clamping plate 42 . , and each positioning hole 415 is respectively arranged on both sides of the wire slot 413 , and each positioning post 423 is respectively arranged on both sides of the boss 421 . The snap fit between the positioning post 423 and the positioning hole 415 can guide the assembly of the first tensioning plate 41 and the second tensioning plate 42 on the one hand, and on the other hand can help to improve the first tensioning plate 41 and the second tensioning plate 41. The stability and reliability of the installation and positioning of the two clamping plates 42. In this embodiment, four positioning holes 415 and four positioning posts 423 are provided, and the four positioning holes 415 are respectively arranged in pairs on both sides of the wire groove 413, and the four positioning posts 423 are respectively arranged in pairs on the sides of the boss 421. On both sides, in this way, it is beneficial to improve the stability and reliability of the power cord 2 being stuck between the wire groove 413 and the boss 421 . Of course, in specific applications, the number of positioning holes 415 and positioning posts 423 is not limited to four.

Preferably, the first clamping plate 41 is also provided with several fixing holes 416, and the first clamping plate 41 can realize the first clamping plate through the snap fit of the fixing holes 416 and the fixing columns on the plastic stator assembly 5 41 is installed and positioned on the plastic-sealed stator assembly 5.

Specifically, both the first clamping plate 41 and the second clamping plate 42 can be integrally injection-molded with insulating materials.

Further, as shown in Figures 3-8, the utility model also provides a power cord fixing assembly, which includes several power cords 2, winding lead pins 3 having the same number as the power cords 2, and the above-mentioned motor lead clamp 4 and the same number of motor terminals 1 as the number of power lines 2, one end of each power line 2 is connected to each winding lead pin 3 through each motor terminal 1, and the part of each power line 2 located at the outlet of the motor passes through each convex The table 421 is pressed tightly in each wire slot 413 , and the part of the power cord 2 between the motor terminal 1 and the wire slot 413 is locked and positioned by the wire lock 412 . The power cord fixing assembly provided by the embodiment of the utility model adopts the above-mentioned motor wire clamp 4 to retract and position the power cord 2, so the operation process of retracting and positioning the power cord 2 can be simplified, and the power cord can be The retractable positioning of 2 can be completed by automatic machine operation, thereby improving the production efficiency of the motor and reducing the labor cost in the motor production process. Here, the motor terminal 1 is used to connect the power cord 2 and the winding lead pin 3, which can help simplify the connection operation process of the power cord 2 and the winding lead pin 3, thereby further improving the production efficiency of the motor.

Preferably, as shown in Fig. 3, Fig. 9, Fig. 11, Fig. 12 and Fig. 13, the winding lead wire pin 3 is provided with a detachment prevention groove 31, and the motor terminal 1 includes a base 11, which is protruded on the base 11 and can be pressed The pin-connecting part 12 fitted on the winding lead pin 3 and the connecting part 13 bent along one side of the base 11 for crimping and fixing with one end of the power cord 2 are installed on the base 11 for the winding lead pin 3 Going through the avoidance hole 111 of the needle connector 12 , the needle connector 12 is provided with a detachment preventing plate 1211 for engaging with the detachment prevention groove 31 . The motor terminal 1 is specifically made of a material with good electrical conductivity, wherein the wiring part 13 is mainly used to realize the mechanical connection and electrical connection between the power line 2 and the motor terminal 1; the pin part 12 is mainly used to realize the connection between the motor terminal 1 and the winding The mechanical connection and electrical connection of the lead pin 3, and through the mechanical connection of the winding lead pin 3 to the pin part 12, the installation and positioning of the motor terminal 1 in the motor can be realized; The cooperation of the components (in this embodiment, the base 11 cooperates with the installation groove on the plastic-sealed stator assembly 5) realizes the auxiliary fixing function of the motor terminal 1 in the motor, which can help ensure the stability and reliability of the installation and positioning of the motor terminal 1 in the motor . In a specific application, when using the motor terminal 1 provided by the embodiment of the present invention to connect the power cord 2 and the winding lead wire pin 3, one end of the power cord 2 can be pressed and fixed to the motor terminal 1 by crimping first. on the wiring part 13, and then put the pin part 12 of the motor terminal 1 into the winding lead pin 3, until the anti-off plate 1211 on the pin part 12 snaps into the anti-off part on the winding lead pin 3 slot 31, in this way, the connection between the power cord 2 and the winding lead pin 3 is completed. Since no punching operation and welding operation are required during the entire connection operation process of the power cord 2 and the winding lead pin 3, it greatly simplifies the connection operation process of the power cord 2 and the winding lead pin 3; And because the crimping operation of the power cord 2 and the wiring part 13, and the inserting and pressing operation of the contact part 12 on the winding lead pin 3 can all be completed by automatic operation of the machine, it effectively realizes the connection between the power cord 2 and the winding. The automatic connection operation of the lead pins 3 realizes the goal of automatic production instead of manual production, improves the production efficiency of the motor, and reduces the labor cost in the production process of the motor.

Preferably, as shown in FIG. 9 , FIG. 10 and FIG. 11 , the pin connector portion 12 includes two claw plates 121 protruding from the base 11 at intervals, and a setting is formed between the two claw plates 121 for the winding lead pin 3 to pass through. The insertion hole 120 of the position, and the end of each claw plate 121 away from the base 11 is provided with a detachment plate 1211 . Here, the contact part 12 is set as two claw plates 121 arranged at intervals, and the insertion hole 120 matched with the winding lead wire pin 3 is formed by using the distance between the two claw plates 121, which has a simple structure and is easy to manufacture and shape; in addition , the use of the elastic properties of the claw plates 121 can reduce the operation difficulty of pressing the contact part 12 onto the winding lead wire pin 3 , and facilitate the two claw plates 121 to be firmly clamped on the winding lead wire pin 3 .

Preferably, as shown in FIGS. 9 to 13 , the two claw plates 121 also include two clamping plates 1212 arranged in parallel at intervals for clamping the winding lead pins 3 and two clamping plates 1212 extending from the base 11 to the two clamping plates in a form of gradually decreasing spacing. 1212 is an obliquely extending guide plate 1213 , and the two anti-falling plates 1211 are respectively bent and extended along the top ends of the two splints 1212 in the form of gradually decreasing spacing. The winding lead pin 3 has two mating side walls 32 respectively facing the two claw plates 121, the distance between the two clamping plates 1212 is equal to or slightly smaller than the distance between the two mating side walls 32 of the winding lead pin 3, and the two stop The plate 1211 is arranged on the top of the two splints 1212 in a figure-of-eight shape, and the two guide plates 1213 are arranged on the bottom of the two splints 1212 in a figure-of-eight shape. The bell mouth of the two guide plates 1213 can be used as a guide for the connecting pin part 12 to be fitted on the winding lead wire pin 3 so that the connecting pin part 12 can be more smoothly fitted on the winding lead wire pin 3 .

Preferably, as shown in Fig. 3, Fig. 9 and Fig. 10, the wiring part 13 includes a substrate 131 for supporting the power cord 2 and at least two pieces are respectively bent and arranged along two opposite side edges of the substrate 131 for connecting the power cord 2 Press the crimping plate 132 fixed on the base plate 131. In specific production, one end of the power cord 2 can be placed and supported on the substrate 131 first, and then the power cord 2 can be pressed tightly on the substrate 131 by folding and pressing each crimping plate 132, thereby realizing the connection between the wiring part 13 and the power cord. 2, the operation process is simple and convenient, and can be completed through automatic machine operation, which is beneficial to improving the automatic production degree of the motor.

Preferably, as shown in FIG. 3 , FIG. 4 , FIG. 9 and FIG. 10 , there are at least four crimping plates 132 , including at least two first crimping plates for pressing the conductive connection portion 21 of the power cord 2 The plate 1321 and at least two second crimping plates 1322 for pressing the insulating connection portion 22 of the power cord 2 , and the first crimping plate 1321 is located between the second crimping plate 1322 and the base 11 . In specific production, the end of the power cord 2 used to connect with the motor terminal 1 can be de-insulated, so that the power cord 2 has an exposed conductive core wire, and the exposed conductive core wire is the power cord 2 The conductive connecting portion 21 of the power cord 2, the insulating connecting portion 22 is the part of the power cord 2 that is adjacent to the conductive connecting portion 21 and has an insulating sheath; line) is placed at the base plate 131 position corresponding to the first crimping plate 1321, and the insulated connection part 22 of the power line 2 (that is, the part of the power line 2 that is not insulated and adjacent to the conductive connection part 21) is placed At the position of the substrate 131 corresponding to the second crimping plate 1322, the first crimping plate 1321 is finally pressed and attached to the conductive connection portion 21 of the power cord 2 through a crimping process, and the second crimping plate 1322 is Pressing and adhering to the insulating connection portion 22 of the power cord 2 realizes the crimping connection between the power cord 2 and the motor terminal 1 . Wherein, the crimping of the first crimping plate 1321 to the conductive connection part 21 can not only realize the electrical connection between the motor terminal 1 and the power line 2 but also realize the mechanical connection between the motor terminal 1 and the power line 2, while the second crimping The crimping of the plate 1322 to the insulated connection portion 22 of the power line 2 is mainly used to realize the mechanical connection between the motor terminal 1 and the power line 2, thereby fully ensuring the stability and reliability of the connection between the motor terminal 1 and the power line 2.

Preferably, as shown in FIG. 3 , FIG. 4 , FIG. 9 and FIG. 10 , in this embodiment, only four crimping plates 132 are provided, including two first crimping plates symmetrically arranged on both sides of the substrate 131 1321 and two second crimping plates 1322 symmetrically arranged on both sides of the base plate 131, so as to ensure the stability and reliability of the connection between the motor terminal 1 and the power line 2, and to simplify the structure of the wiring part 13 and simplify the wiring part The crimping operation process of 13 and power cord 2 has better overall performance. Of course, the number of crimping plates 132 is not limited to four, and an optimized design can be made according to specific conditions in specific applications.

Preferably, two symmetrically arranged first crimping plates 1321 are bent and arranged on the substrate 131 in the shape of two arch bridges, and two symmetrically arranged second crimping plates 1322 are connected with the substrate 131 to form a C-shaped structure with an opening upward or U-shaped structure, because the diameter of the remaining conductive core wire after the power cord 2 is removed from the insulation sheath is small, so here, by optimizing the design of the first crimping plate 1321 and the second crimping plate 1322, it can be beneficial The placement of the power cord 2 on the base plate 131 can also help reduce the amount of crimping of the first crimping plate 1321 and the second crimping plate 1322 , thereby improving the crimping efficiency of the wiring portion 13 and the power cord 2 .

Preferably, as shown in FIG. 9 , the base plate 131 includes a vertical plate 1311 extending vertically upward along one side edge of the base 11 and a transverse plate 1312 bent and extending along the top of the vertical plate 1311 in a direction away from the pin portion 12 , Each crimping plate 132 is bent and disposed on the transverse plate 1312 respectively. The setting of the vertical plate 1311 can make a certain height distance between the base 11 and the transverse plate 1312, which is beneficial to prevent the transverse plate 1312 from interfering with the installation of the base 11 in the motor.

Preferably, as shown in FIG. 9 and FIG. 10 , the base 11 is a broken ring structure having a notch 112 on one side and two opposite cutting edges 113 , the two claw plates 121 extend upwards along the two opposite cutting edges 113 respectively, and the broken ring structure The notch 112 and the connecting portion 13 are respectively located on both sides of the claw plate 121 , and the central inner hole of the gap ring structure is the escape hole 111 mentioned above. The setting of the notch 112 can help to enhance the elastic deformation performance of the base 11 , thereby helping to reduce the difficulty of installing the base 11 in the motor.

In a specific application, the motor terminal 1 can be integrally stamped and formed by a conductive metal plate member, and the processing process is simple, which is conducive to mass production.

Further, as shown in Fig. 4, Fig. 7 and Fig. 8, the embodiment of the utility model also provides a motor, which includes a plastic-encapsulated stator assembly 5, an end cover 6 arranged at one end of the plastic-enclosed stator assembly 5, and the above-mentioned power cord The fixing component, the power cord fixing component is installed and fixed between the plastic-sealed stator assembly 5 and the end cover 6, the winding lead pins 3 are specifically protruded on the plastic-sealed stator assembly 5, and the plastic-sealed stator assembly 5 is provided with the number and The number of motor terminals 1 is the same and the mounting grooves are arranged in cooperation with the bases 11 of the motor terminals 1. The bases 11 of each motor terminal 1 are respectively snapped into and positioned in each mounting groove, so that the auxiliary positioning of the motor terminals 1 can be realized. The motor provided by the embodiment of the utility model adopts the above-mentioned power cord fixing assembly, so the production efficiency and automatic production degree of the motor are improved, the labor cost in the motor production process is reduced, and the comprehensive competitiveness of the motor is improved.

Specifically, the end of the power cord 2 extending outside the motor is connected to an electrical connector 7, which facilitates the simplification of the connection between the power cord 2 and the external components of the motor.

Preferably, the motor provided in this embodiment is a sensorless brushless DC motor.

Preferably, the method for fixing the power cord of the motor provided by the embodiment of the present invention includes the following steps:

In the wiring step, one end of each power cord 2 is respectively crimped and fixed on the connection part 13 of each motor terminal 1, wherein, the end of the power cord 2 used to connect with the motor terminal 1 includes only The conductive connecting part 21 of the conductive core wire and the insulating connecting part 22 having the insulating sheath and the conductive core wire at the same time, this wiring step is specifically to first place the end of the power cord 2 for connecting with the motor terminal 1 on the motor terminal 1 on the substrate 131, and make the conductive connection part 21 have a first part to be crimped under the first crimping plate 1321, make the insulating connection part 22 have a second part to be crimped under the second crimping plate 1322, and then The first crimping plate 1321 and the second crimping plate 1322 are respectively folded and pressed through the crimping process (which can be realized by machine stamping), so that the conductive connection part 21 can be pressed tightly on the substrate 131 through the first crimping plate 1321, and the The second crimping plate 1322 presses the insulating connection part 22 onto the base plate 131, thereby realizing the electrical connection and the mechanical connection between the motor terminal 1 and the power line 2 at the same time. The operation process is simple, the operation efficiency is high, and the wiring is stable and reliable. And it can be done through automation;

The step of positioning the power cord is to press the power cord 2 into each wire lock 412 and each wire groove 413 positioned on the first clamping plate 41. This step is specifically to press each power wire 2 into each wire groove 413 , and press each power cord 2 to position in each wire lock 412, thereby realizing the retractable positioning of the power cord 2, the operation process is simple, the operation efficiency is high, and it can be completed through automatic operation;

The step of installing the first clamping plate is to install and fix the first clamping plate 41 on the fixing column of the plastic-sealed stator assembly 5. 5 are respectively aligned and installed on the plastic-sealed stator assembly 5. At this time, each avoidance hole 111 is respectively sleeved on the outside of each winding lead pin 3, thereby realizing the first clamping plate 41 and The assembly of the plastic-encapsulated stator assembly 5 has a simple operation process and high operation efficiency, and can be completed through automatic operation;

The motor terminal installation step is to press the base 11 of each motor terminal 1 into each through hole 411 so that the pin part 12 is set on each winding lead wire pin 3. This step is to pair each motor terminal 1 with the base 11. Press down according to the through holes 411, so that the bases 11 of the motor terminals 1 pass through the escape holes 111 and snap into the mounting grooves on the plastic stator assembly 5, and the pins 12 will move along the winding The lead pin 3 slides downward until the anti-off plate 1211 is stuck in the anti-off groove 31 of the winding lead pin 3, which means that the motor terminal 1 is installed in place, and the installation of the motor terminal 1 is completed. The connection between the part 12 and the winding lead pin 3 can not only realize the electrical connection between the motor terminal 1 and the winding lead pin 3, but also realize the mechanical connection between the motor terminal 1 and the winding lead pin 3, and through the base 11 and the installation slot The connection can realize further auxiliary positioning for the installation of the motor terminal 1, thereby helping to improve the stability and reliability of the installation of the motor terminal 1, and the installation operation process is simple, the operation efficiency is high, and it can be completed through automatic operation;

The step of installing the second clamping plate is to cover and fix the second clamping plate 42 on the first clamping plate 41. This step is to align the second clamping plate 42 with each boss 421 to each wire slot 413 respectively. 1. Each positioning column 423 is respectively aligned with each positioning hole 415 and pressed and covered on the first clamping plate 41, thereby completing the installation of the second clamping plate 42. During the installation process, each boss 421 can respectively place each The power cord 2 is pressed tightly in each wire groove 413, the installation operation process is simple, the operation efficiency is high, and it can be completed through automatic operation;

In the step of installing the end cover, the end cover 6 is pressed and fixed on the plastic-sealed stator assembly 5, and the second clamping plate 42 is pressed by the end cover 6. This step can also be completed by machine automation.

The method for fixing the power cord of the motor provided by the embodiment of the utility model realizes the connection between the power cord 2 and the connection part 13 of the motor terminal 1 through the crimping process, and realizes the insertion of the pin part 12 of the motor terminal 1 and the winding lead wire through the sleeve pressing method. The connection of the pin 3 and the retractable positioning of the power cord 2 in the wire lock 412 of the wire clip 4 are realized by pressing in, and no welding operation is required during the entire processing operation, so that the power cord 2 and the connection part 13 are connected The operation, the connection operation of the pin part 12 to the winding lead pin 3, and the retraction and positioning operation of the power cord 2 can all be completed through machine automation, thereby realizing the automatic processing operation of the power cord 2 and simplifying the handling of the power cord 2 The operation process improves the processing operation efficiency of the power cord 2 and reduces the labor cost in the processing operation of the power cord 2 .

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modification, equivalent replacement or improvement made within the spirit and principles of the present utility model shall be included in this utility model. within the scope of protection of utility models.

Claims (10)

1. The motor wire clamp is characterized in that: it includes a first clamping plate and a second clamping plate covered on the first clamping plate, and the first clamping plate is provided with several wire clamps located at the outlet of the motor and several wire locks located inside the motor for snapping in and positioning the power cord. The second clamping plate is provided with several wire locks that are respectively aligned with each of the wire slots for locking Each power cord is pressed tightly on the boss in each wire slot. 2. The motor lead clamp according to claim 1, wherein the first clamping plate comprises a first clamping plate body, several wires protruding from the first clamping plate body The lock buckle and several grooves are recessed on the body of the first clamping plate, and the second clamping plate includes the second clamping plate body and several grooves protruding from the second clamping plate The boss on the body. 3. The motor wire clip according to claim 2, wherein the wire lock includes two spaced shrapnels protruding from the body of the first clamping plate, and the two shrapnels are connected to the first clip. The thread board body encloses and forms a thread containing cavity with an opening opening upward, and the cavity opening of the thread containing cavity is smaller than the inner cavity of the thread containing cavity. 4. The motor wire clamp according to any one of claims 1 to 3, characterized in that: the wire groove is a stepped groove, and the corresponding boss is a stepped boss. 5. The motor wire clamp according to any one of claims 1 to 3, characterized in that: the first clamping plate is also provided with several positioning holes, and the second clamping plate is provided with several positioning holes The positioning posts are snap-fitted with each of the positioning holes, and each of the positioning holes is separately arranged on both sides of the wire slot, and each of the positioning posts is respectively arranged on both sides of the boss. 6. The motor wire clamp according to any one of claims 1 to 3, characterized in that: the first clamping plate is also provided with a number of clips for snap-fitting with the fixed posts on the plastic-sealed stator assembly. Fixing hole. 7. The motor wire clamp according to any one of claims 1 to 3, characterized in that: the first clamping plate is also provided with the same number of winding lead wire pins for respectively supplying the The winding lead pins pass through the through-holes that extend upwards and press-fit the motor terminals. 8. The power cord fixing assembly, comprising several power cords and winding lead wire pins with the same number as the power cords, characterized in that: it also includes the motor wire clamp and the number of motor wire clamps as claimed in any one of claims 1 to 7 Motor terminals having the same number as the power cords, one end of each power cord is connected to each winding lead pin through each motor terminal, and the part of each power cord located at the outlet of the motor is respectively passed through Each of the bosses is pressed tightly in each of the wire slots, and the part of the power cord located between the motor terminal and the wire slot is locked and positioned by the wire lock. 9. The power cord fixing assembly according to claim 8, characterized in that: the winding lead wire pins are provided with anti-slip grooves, and the motor terminals include a base, which is protruded on the base and can be pressed into the sleeve The pin part on the winding lead wire pin and the connecting part bent along one side of the base for crimping and fixing with one end of the power cord, the base is provided with the winding lead wire inserting The needle passes through the escape hole of the needle-connecting part, and the needle-connecting part is provided with a fall-off prevention plate for engaging with the fall-off prevention groove. 10. A motor, comprising a plastic-encapsulated stator assembly and an end cover arranged at one end of the plastic-enclosed stator assembly, characterized in that it also includes a power cord fixing assembly as claimed in claim 8 or 9, and the power cord fixing assembly is installed It is fixed between the plastic-sealed stator assembly and the end cover.