CN222262365U - Motor protection structure - Google Patents
Motor protection structure Download PDFInfo
- Publication number
- CN222262365U CN222262365U CN202420087731.3U CN202420087731U CN222262365U CN 222262365 U CN222262365 U CN 222262365U CN 202420087731 U CN202420087731 U CN 202420087731U CN 222262365 U CN222262365 U CN 222262365U
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- CN
- China
- Prior art keywords
- flange
- motor shaft
- motor
- rotating shaft
- adjusting nut
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000002093 peripheral effect Effects 0.000 claims abstract description 19
- 230000005540 biological transmission Effects 0.000 claims description 26
- 238000001125 extrusion Methods 0.000 claims description 18
- 230000000903 blocking effect Effects 0.000 claims description 8
- 230000000670 limiting effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 206010037660 Pyrexia Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The utility model discloses a motor protection structure, which relates to the technical field of motors and comprises a motor rotating shaft and a rotor sleeved on the peripheral wall of the motor rotating shaft, wherein the peripheral wall of the motor rotating shaft is provided with a first flange and a second flange which are respectively connected with two ends of the rotor in a key way, the second flange is axially and slidably connected on the motor rotating shaft along the motor rotating shaft, one end of the motor rotating shaft, which is close to the second flange, is in threaded connection with an adjusting nut, a pressurizing assembly is axially and slidably connected between the adjusting nut and the second flange along the motor rotating shaft, an elastic piece is arranged between the pressurizing assembly and the second flange, the elastic piece is sleeved on the motor rotating shaft, one end of the elastic piece is in contact with the adjusting nut, and the other end of the elastic piece is in contact with the input end of the pressurizing assembly.
Description
Technical Field
The present utility model relates to a motor, and more particularly, to a motor protection structure.
Background
An electric machine, i.e. an electric motor, is a device that converts electric energy into mechanical energy. The rotating magnetic field is generated by using an electrified coil and acts on a rotor to form magneto-electric power rotating torque, and the rotor is fixed with a motor rotating shaft so that the motor rotating shaft rotates.
The existing motor is easy to cause the occurrence of the conditions of locked rotation, fever and the like of the clutch motor if the load is suddenly increased after long-time use, thereby causing the damage of the motor and causing the serious interlocking safety accident.
There is therefore a need to propose a new solution to this problem
Disclosure of utility model
In order to solve the technical problems, the utility model provides a motor protection structure.
The technical scheme of the utility model is as follows:
The utility model provides a motor protection architecture, includes motor shaft and cover establishes the rotor on motor shaft peripheral wall, be located rotor both ends on the peripheral wall of motor shaft and be connected with first flange and second flange respectively, second flange is along motor shaft axial sliding connection in motor shaft, motor shaft is close to the one end threaded connection of second flange has adjusting nut, there is the pressurization subassembly along motor shaft axial sliding connection between adjusting nut and the second flange, be equipped with the elastic component between pressurization subassembly and the second flange, the elastic component cover is established in motor shaft, the one end and the adjusting nut conflict of elastic component, the other end and the input contact of pressurization subassembly of elastic component, the output of pressurization subassembly is contradicted and is applyed along motor shaft axial pressure to the terminal surface of second flange with the second flange.
The utility model further provides that the pressurizing assembly comprises an extrusion part, a transmission part and a plurality of sliding parts, wherein the sliding parts are input ends and sleeved on the peripheral wall of the motor rotating shaft, one end of the elastic part is abutted against the sliding parts, the extrusion part is abutted against the end face of the second flange, the extrusion part and the transmission part are both movably connected onto the motor rotating shaft along the axial direction of the motor rotating shaft, one end of the transmission part is abutted against the extrusion part, and the other end of the transmission part is abutted against the sliding part.
The utility model is further arranged that the transmission part comprises a transmission rod and a driven part which are mutually inserted, a notch for the transmission rod to be inserted is formed in one side of the driven part, the driven part penetrates through the motor rotating shaft along the radial direction of the motor rotating shaft, and a through groove for the driven part to penetrate through is formed in the motor rotating shaft.
The utility model is further characterized in that the motor rotating shaft is also provided with a mounting hole for the transmission rod to extend in, the mounting hole penetrates through the through groove, and one end of the mounting hole extends towards one end of the motor rotating shaft, close to the adjusting nut, along the axial direction of the motor rotating shaft and penetrates through the mounting hole.
The utility model is further characterized in that the number of the sliding parts is two, the two sliding parts are arranged at intervals, the sliding parts are connected to the peripheral wall of the motor rotating shaft in a key way, a check ring is arranged between the two sliding parts, and the check ring is sleeved on the peripheral wall of the motor rotating shaft.
The utility model further provides that a blocking part is integrally formed on the peripheral wall of one end, close to the first flange, of the motor rotating shaft, and the blocking part is attached to the end part of the first flange.
The utility model further provides that one side, close to each other, of the first flange and the second flange is fixedly connected with a friction plate.
The utility model is further arranged that the end part of the motor rotating shaft is also connected with a limit nut in a threaded manner, the limit nut is positioned on one side of the adjusting nut far away from the elastic piece, and the diameter of the adjusting nut is larger than that of the limit nut.
The beneficial technical effects of the utility model are as follows:
Through the cooperation between second flange, pressurization subassembly and the adjusting nut, realize the switch of separation and reunion state between rotor and the motor pivot from this, avoid the motor long-time back of using, motor pivot transship, burn out the motor, cause the motor to damage, have fine guard action to the motor, guaranteed the life of motor.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is an exploded view of the present utility model;
FIG. 3 is an enlarged view of FIG. 2 at A;
FIG. 4 is an enlarged view at B in FIG. 2;
In the figure, 1, a motor rotating shaft, 11, a blocking part, 12, a mounting hole, 13, a through groove, 2, a first flange, 3, a second flange, 4, a rotor, 5, a friction plate, 6, an extrusion piece, 7, a transmission piece, 71, a transmission rod, 72, a driven piece, 721, a notch, 8, a sliding piece, 81, a retainer ring, 9, an elastic piece, 10, an adjusting nut, 101 and a limit nut.
Detailed Description
In order that the manner in which the above recited features of the present utility model are attained and can be understood in detail, a more particular description of the utility model, briefly summarized below, may be had by reference to the appended drawings and examples, which are illustrated in their embodiments, but are not intended to limit the scope of the utility model.
1-4, Including motor shaft 1 and cover establish rotor 4 on motor shaft 1 peripheral wall, be located rotor 4 both ends on motor shaft 1 and be equipped with first flange 2 and second flange 3 respectively, second flange 3 is along motor shaft 1 axial sliding connection on motor shaft 1, motor shaft 1 is close to second flange 3's one end threaded connection has adjusting nut 10, along motor shaft 1 axial sliding connection between adjusting nut 10 and the second flange 3 has the pressurization subassembly, be equipped with elastic component 9 between pressurization subassembly and the second flange 3, elastic component 9 cover is established on motor shaft 1, the output of pressurization subassembly is contradicted with second flange 3 and is applyed along motor shaft 1 axial pressure to second flange 3's terminal surface.
The motor rotating shaft 1 is characterized in that a boss forming blocking part 11 is integrally formed on the peripheral wall of one end of the motor rotating shaft 1, the first flange 2 is sleeved on the motor rotating shaft 1 from the other end and is abutted against the end face of the blocking part 11, the blocking part 11 has a good limiting effect, the first flange 2 can be prevented from continuously moving, the first flange 2 is connected with the peripheral wall of the motor rotating shaft 1 in a key connection mode, the rotation freedom degree of the first flange 2 is limited, friction plates 5 are fixedly connected to one sides, close to each other, of the first flange 2 and the second flange 3, two ends of a rotor 4 are abutted against the friction plates 5, the first flange 2 and the second flange 3 can be prevented from being in direct contact with the rotor 4, damage caused by long-time use is avoided, and the service life of the whole structure is guaranteed.
The pressurizing assembly comprises an extrusion piece 6, a transmission piece 7 and a plurality of sliding pieces 8, wherein a sliding groove is formed in the position, located on the second flange 3, of the motor rotating shaft 1, the extrusion piece 6 is a flat key pin and is inserted into the sliding groove, the extrusion piece 6 is movably connected to the motor rotating shaft 1 along the axial direction of the motor rotating shaft 1, the extrusion piece 6 is abutted against the end face of the second flange 3, the transmission piece 7 comprises a transmission rod 71 and a driven piece 72 which are mutually inserted, a mounting hole 12 for mounting the transmission rod 71 is formed in the center of the motor rotating shaft 1, one end of the mounting hole 12 is communicated with the sliding groove, the other end of the mounting hole 12 extends along the axial direction of the motor rotating shaft 1 and penetrates through the motor rotating shaft 1, the transmission rod 71 is inserted into the mounting hole 12 from one end of the mounting hole 12 and abuts against the extrusion piece 6, a through groove 13 through which the driven piece 72 passes is formed in the motor rotating shaft 1, the mounting hole 12 penetrates through the through groove 13, the driven piece 72 extends into the through groove 13 along the radial direction of the motor rotating shaft 1, a notch 721 is formed in one side of the transmission rod 72, one end, far away from the extrusion piece 71 from the motor rotating shaft 6 is inserted into the inner bottom 721 along the radial direction of the notch 721, and the driven piece 72 is abutted against the inner bottom wall 721, and the movement of the transmission rod 72 is limited.
The number of the sliding pieces 8 can be set according to actual conditions, one sliding piece or a plurality of sliding pieces can be set, when the sliding pieces are set into a plurality of sliding pieces, a retaining ring 81 is arranged between every two adjacent sliding pieces 8, in the embodiment, as shown in fig. 1, the number of the sliding pieces 8 is two, the two sliding pieces 8 are arranged at intervals and are connected on the peripheral wall of the motor rotating shaft 1 in a key manner, the sliding piece 8 which is far away from the second flange 3 is an input end of the whole pressurizing assembly, the sliding piece 8 which is close to the second flange 3 is abutted against one side of the driven piece 72, a retaining ring 81 is arranged between the two sliding pieces 8, the retaining ring 81 is also sleeved on the peripheral wall of the motor rotating shaft 1, and the two sliding pieces 8 are prevented from being in direct contact and collision to cause damage; the elastic piece 9 is sleeved at the end part of the motor rotating shaft 1 by adopting a spring, one end of the elastic piece 9 is abutted against the sliding piece 8 and is in contact with the input end of the pressurizing assembly, the other end of the elastic piece 9 is abutted against the adjusting nut 10, the arrangement of the elastic piece 9 prevents the adjusting nut 10 from being in direct contact with the sliding piece 8, the elastic piece 9 has good buffering effect, collision damage can be well prevented, the elasticity of the elastic piece 9 can be utilized to better ensure the extrusion force of the second flange 3 and the rotor 4 by utilizing the elasticity of the elastic piece 9, the driving effect is ensured, the end part of the motor rotating shaft 1 is also in threaded connection with the limit nut 101, the limit nut 101 is positioned at one side of the adjusting nut 10 far away from the elastic piece 9, the limit nut 101 is arranged, the movement track of the adjusting nut 10 towards the outer part of the motor rotating shaft 1 can be limited, excessive rotation of the adjusting nut 10 can be effectively avoided, the adjusting nut 10 is prevented from loosening, the diameter of the adjusting nut 10 is larger than the diameter of the limit nut 101, the adjusting nut 10 is larger, the contact area is increased, manual rotation can be performed more easily, the limiting nut 101 is smaller and is blocked by the adjusting nut 10, and the limiting effect is further ensured only by using a tool to rotate.
The working principle is that the adjusting nut 10 is screwed, the adjusting nut 10 moves towards the elastic piece 9, an external force is applied to the elastic piece 9, the elastic piece 9 is compressed and then pushes the sliding piece 8 to move, the sliding piece 8 moves to drive the driven piece 72 to move to drive the transmission rod 71 to move, one end of the driven rod is contacted with the extrusion piece 6, the extrusion piece 6 is driven to extrude the second flange 3, the friction plate 5 adhered to the second flange 3 is tightly attached to the rotor 4, friction force is generated, the rotor 4 and the motor rotating shaft 1 are relatively fixed and can rotate together, otherwise, the adjusting nut 10 is unscrewed, no external force exists between the second flange 3 and the rotor 4, and therefore friction force exists, the rotor 4 rotates at the moment, the motor rotating shaft 1 does not rotate, therefore, the switching of the clutch state between the rotor 4 and the motor rotating shaft 1 is achieved, the motor is prevented from being damaged due to overload and burning out of the motor after the motor is used for a long time, and the service life of the motor is guaranteed.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, and it should be noted that it is possible for those skilled in the art to make several improvements and modifications without departing from the technical principle of the present utility model, and these improvements and modifications should also be regarded as the protection scope of the present utility model.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420087731.3U CN222262365U (en) | 2024-01-15 | 2024-01-15 | Motor protection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420087731.3U CN222262365U (en) | 2024-01-15 | 2024-01-15 | Motor protection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222262365U true CN222262365U (en) | 2024-12-27 |
Family
ID=93982918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420087731.3U Active CN222262365U (en) | 2024-01-15 | 2024-01-15 | Motor protection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222262365U (en) |
-
2024
- 2024-01-15 CN CN202420087731.3U patent/CN222262365U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |