CN113422267B - Small-sized integrated plastic package cable assembly - Google Patents

Abstract

A small integrated plastic-encapsulated cable assembly includes a cable part, connectors are arranged on both sides of the cable part, the cable part includes a wire bundle, a shielding sleeve is arranged outside the wire bundle, the connectors are connected through the wire bundle, and the inside of the shell is connected. A first cable clip and a second cable clip are arranged in sequence, and the compression ring is arranged above the cable clip to compress and fix the cable clip in the casing; the invention realizes a small integrated plastic-encapsulated cable assembly, and is practically applied It can greatly save the space occupied, solve the problem of short-distance jumper connection, and realize the integrated plastic sealing of the cable assembly, which greatly improves the protection and aesthetics of the product.

Description

Small Integral Plastic Encapsulated Cable Assemblies

technical field

The invention belongs to the field of connector cable connection, in particular to a small integrated plastic-encapsulated cable assembly.

Background technique

Now the connectors installed on the panels of military equipment are becoming more and more miniaturized and dense. How to achieve reliable and fast connection between short-distance adjacent connectors is a problem that everyone is thinking about. The existing design method is that the connectors at both ends pass through The installation of curved tail clips to achieve crossover has the following disadvantages: 1. The cable length cannot be too short, otherwise the assembly cannot be realized; 2. The curved tail clips take up a lot of space and often interfere with other installation components; 3. No It has a plastic sealing structure, which cannot be plastic sealed and has an unsightly appearance.

As shown in Figure 1, the traditional cable clamp is fixed with the connector through the thread. It is closed and integrated. It has a large size and does not have a plastic sealing structure. Therefore, due to the space required for welding operation or the operation space required for crimping into the contact piece, the tail end needs to be extended behind the wire harness for a certain distance, so that the assembly cannot be realized for the production of ultra-short distance cable assemblies. To address the limitations of traditional deficiencies, it is necessary to design small all-in-one plastic encapsulated cable assemblies.

SUMMARY OF THE INVENTION

In order to overcome the existing deficiencies, the purpose of the invention is to provide a small integrated plastic-encapsulated cable assembly in which the cable portion connects two short-distance connectors under the action of the two half-buckling cable clips.

The purpose of the invention is to achieve the following technical solutions. The small integrated plastic-encapsulated cable assembly proposed according to the invention includes a cable portion 1 , and connectors 2 are provided on both sides of the cable portion 1 , and the connectors are connected through the cable portion 1 .

Further, the cable part 1 includes a wire bundle, a shielding sleeve 101 is provided outside the wire bundle, and the connectors are connected through the wire bundle.

Further, the connector includes a housing 3, the outer wall of the housing 3 is provided with a housing groove 301 and a first flat 302, and an opening groove 303 is also provided on one side of the housing 3. When the cable assembly is plastic-sealed, the plastic sealing material enters The housing groove 301 has a tensile effect on the connector, and the first flat 302 is used to prevent relative rotation between the connector and the plastic seal after plastic sealing.

Further, a first cable clamp 4, a second cable clamp 5, and a compression ring 6 are arranged in the casing 3 in sequence. The outer wall of the compression ring 6 is provided with an external thread, and the inner wall of the casing 3 is provided with an inner thread. The pressing ring 6 is installed in the housing 3 by screwing with the housing 3 , and the pressing ring 6 is used to compress and fix the cable clamp in the housing 3 .

Further, the first cable clip 4 and the second cable clip 5 are arranged correspondingly, the first cable clip 4 includes a first main body portion 401 and a first extension portion 402 that are integrally arranged, and the second cable clip 5 includes an integrated The second body part 501 and the second extension part 502 are provided, the first extension part 402 is located at the side of the first body part 401 , and the second extension part 502 is located at the side of the second body part 501 .

Further, both sides of the first extension portion 402 are bent in the same direction and extend along the bending direction to form an open first channel 403; both sides of the second extension portion 502 are bent in the same direction and extend along the bending direction to form An open second channel 504 is provided corresponding to the first channel 403 .

Further, when the first cable clip 4 and the second cable clip 5 are fastened together, the first extension part 402 and the second extension part 502 are also fastened together, and the first channel 403 and the second channel are formed together A cable clip channel, the first extension part 402 and the second extension part that are fastened together protrude from the housing 3 through the opening slot 303; the first extension part 402 and the second extension part 502 that are fastened together are located opposite to each other The wire bundle in the cable clamp channel acts as a clamping force.

Further, the first extension part 402 and the second extension part 502 are respectively provided with installation grooves and protrusions. When the first cable clip 4 and the second cable clip 5 are fastened together, the first extension part 402 and the first cable clip The mounting grooves on the two extension parts 502 are combined together to form an annular cable clip groove 8, and the protrusions on the first extension part 402 and the second extension part 502 are combined together to form an annular cable clip protrusion 7.

Further, the connector 2 includes a first connector 201 and a second connector 202 , one end of the shielding sleeve 101 is bundled in the cable clip groove 8 of the first connector 201 , and the other end of the shielding sleeve 101 is bundled in the second connector 202 inside the cable clamp slot 8.

Further, the first extension portion 402 is provided with a second protrusion 405 , the second protrusion 405 is provided with a second flat cut 406 , and the second extension portion 502 is provided with a protrusion corresponding to the second protrusion 405 , And a third cut flat 503 is provided on the protrusion. When the first cable clip 4 and the second cable clip 5 are buckled together, the second cut flat 406 and the third cut flat 503 together form a cable clip cut flat 9 . .

By the above technical solution, the advantages of the invention are:

1. The first cable clip and the second cable clip use a simple two-half snap-fit structure, the structure itself is small in size, and the wire bundle can be freely passed through the cable clip, which can greatly save the operation space, and the practical application can greatly save the occupation. Space, solve the problem of short-distance jumper connection, and create powerful conditions for the production of short-length cable assemblies, which can facilitate the fast and reliable connection between the two connectors when the cable length is short.

2. The cable assembly is plastic-sealed to achieve integrated plastic-sealing, which greatly improves the protection and aesthetics of the product.

3. The first extension part and the second extension part which are fastened together clamp the wire bundle located in the cable clamp channel, and play a tensile effect.

4. The casing is provided with a first cut flat, which is used to prevent relative rotation between the connector and the plastic seal when the connector is subjected to external force.

5. The first extension part is provided with a second cut flat, and the second extension part is provided with a third cut flat correspondingly to prevent the cable shield from rotating.

6. The first extension part and the second extension part are correspondingly provided with installation grooves, so that the shielding sleeve can be bundled in the installation groove, which is convenient for fixing the shielding sleeve. The above description is only an overview of the technical solution of the invention. In order to understand the technical means of the invention more clearly, it can be implemented according to the content of the description, and in order to make the above and other purposes, features and advantages of the invention more obvious and understandable, the following special The preferred embodiments are given and combined with the accompanying drawings, the detailed description is as follows.

Description of drawings

Figure 1 is a schematic diagram of a traditional curved tail clip;

Figure 2 is a schematic structural diagram of a small integrated plastic-encapsulated cable assembly after plastic encapsulation;

Figure 3 is a schematic structural diagram of a small integrated plastic-encapsulated cable assembly before plastic encapsulation;

Fig. 4 is the structural representation of the connector in Fig. 2;

Fig. 5 is the split view of Fig. 4;

6 is a schematic structural diagram of a first cable clip;

FIG. 7 is a schematic structural diagram of the compression ring in FIG. 5 .

[reference number]

1-cable part, 101-shield sleeve, 2-connector, 201-first connector, 202-second connector, 3-shell, 301-shell groove, 302-first cut flat, 303- Open slot, 304-first protrusion, 4-first cable clip, 401-first body part, 402-first extension part, 403-first channel, 404-first installation groove, 405-second protrusion , 406-Second flat, 5-Second cable clamp, 501-Second main body, 502-Second extension, 503-Third flat, 504-Second channel, 6-Pressure ring, 601-card slot, 602-non-closed opening, 7-cable clip protrusion, 8-cable clip slot, 9-cable clip cut flat.

Detailed ways

In order to further illustrate the technical means and effects adopted by the invention to achieve the predetermined purpose of the invention, the following describes the specific implementation, structure, features and effects of the small integrated plastic-encapsulated cable assembly proposed according to the invention with reference to the accompanying drawings and preferred embodiments. , as detailed below.

In the description of the invention, it should be understood that the terms "upper", "lower", "front", "rear", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship Based on the orientation or positional relationship shown in the drawings, it is only for the convenience of describing the invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood to limit the invention. In addition, the terms "first", "second", etc. are used for descriptive purposes only, and should not be construed as indicating or implying relative importance or implying the number of indicated technical features.

Please refer to FIG. 2 to FIG. 7 , the small integrated plastic-encapsulated cable assembly includes a cable part 1 , a connector 2 is provided on both sides of the cable part 1 , and the cable part 1 includes a wire bundle and a shielding sleeve 101 arranged outside the wire bundle The connector 2 includes a first connector 201 connected to one end of the cable part 1 and a second connector 202 connected to the other end of the cable part 1, each connector including a housing 3, a cable clamp and a compression Ring 6, the cable clip includes a corresponding first cable clip 4 and a second cable clip 5; as shown in Figure 5, the first cable clip 4, the second cable clip 5, and the compression ring 6 They are installed in the casing 3 in order from bottom to top.

The casing 3 is provided with a casing channel, the inner wall of the casing channel is provided with an internal thread, the first cable clamp 4, the second cable clamp 5, and the compression ring 6 are sequentially installed in the casing channel; the upper end of the casing 3 A plurality of casing grooves 301 and first protrusions 304 are arranged on the outer wall of the casing. One side of the upper end of the body 3 is also provided with an opening groove 303 . Please refer to FIG. 2 , when the cable assembly is plastic-sealed, the plastic sealing compound will enter the casing groove 301 through the plastic sealing pressure, and the casing groove 301 has a tensile effect when the connector 2 receives external force; each first convex Both sides of the starter 304 are provided with the first flats 302 and the first flats 302 on the plurality of protrusions 304 are arranged correspondingly. When the connector 2 receives the action of external force, the first flats 302 prevent The relative rotation of the plastic body and the connector.

Please refer to FIG. 5 and FIG. 6, the cable clip includes a first cable clip 4 and a second cable clip 5, a cable clip channel is provided on one side of the cable clip, the first cable clip 4 and the second cable clip 5 are similar in structure. The first cable clip 4 includes a first main body portion 401 and a first extension portion 402 that are integrally arranged. The first main body portion 401 is annularly arranged, and the first extension portion 402 is arranged on the side of the first main body portion 401. The two sides of the part 402 are bent in the same direction and extend along this bending direction to form an open first channel 403, the first channel 403 is communicated with the annular first main body part 401; A first installation groove 404 and a second protrusion 405 are also provided. Both the first installation groove 404 and the second protrusion 405 extend along the bending direction of the first extension portion 402 , and the second protrusion 405 is disposed on the first extension portion 402 away from the One end of the first main body portion 401 and the second protrusion 405 are further provided with a second flat cut 406 .

The second cable clip 5 is located above the first cable clip 4 . The second cable clip 5 includes a second main body portion 501 and a second extension portion 502 that are integrally provided, and the second extension portion 502 is disposed on the second main body. On the side of the part 501, the second main body part 501 is arranged in a ring shape, the two sides of the second extension part 502 are bent in the same direction and extend along the bending direction to form an open second channel 504, the second channel 504 and the first A channel 403 is correspondingly disposed and the second channel 504 communicates with the annular second body portion 501 . When the first cable clip 4 and the second cable clip 5 are fastened together, the first extension part 402 and the second extension part 502 are also fastened together. The main body part is located in the casing channel, and the first extension part 402 and the second extension part 502 that are fastened together protrude out of the casing 3 through the opening groove 303 on one side of the casing 3 . At this time, the second channel 504 and the first The channel 403 forms a completely closed cable clip channel, and the first extension part 402 and the second extension part 502, which are fastened together, clamp the wire harness located in the cable clip channel, and play a tensile effect; The outer wall of the extension part 502 is also provided with a second installation groove corresponding to the first installation groove 404 and a third protrusion corresponding to the second protrusion 405. The first installation groove 404 and the second installation groove are combined to form a ring. The cable clamp groove 8, the second protrusion 405 and the third protrusion form an annular cable clamp protrusion 7; the third protrusion is also provided with a third cut flat corresponding to the second cut flat 406 503 , the third cut flat 503 and the second cut flat 406 are also combined together to form an integral cable clip cut flat 9 . The first cable clip 4 and the second cable clip 5 adopt a two-half snap-fit structure. The size of the structure itself is small, which can greatly save the operation space. The practical application can greatly save the occupied space and solve the problem of short-distance jumper connection. The creation of cable assemblies creates favorable conditions for a fast and reliable connection between two connectors when cable lengths are short.

Please refer to FIG. 3 , one end of the wire harness enters the housing of the first connector 201 through the cable clip channel on the first connector 201 and is connected to the first connector 201 by welding or crimping, and the other end of the wire harness passes through the second connector The cable clip channel on 202 enters the housing of the second connector 202 and is connected with the second connector 202 by welding or crimping, so as to connect the first connector 201 and the second connector 202 through a wire harness.

The compression ring 6 is installed at the position above the second cable clamp 5 in the casing channel, and the outer wall of the compression ring 6 is provided with an outer thread corresponding to the inner thread in the casing channel (the outer thread is not shown in the figure). ), the pressing ring 6 is installed in the channel of the casing by screwing with the casing, and the pressing ring 6 is pressed above the first cable clip 4 and the second cable clip 5 so that the A cable clip 4 and a second cable clip 5 are positioned and fixed, so that the first cable clip 4 and the second cable clip 5 are fastened together. Referring to FIG. 7 , the pressing ring 6 is further provided with a plurality of clamping grooves 601 . The clamping grooves 601 are installation positions, and an installation tool extends into the clamping grooves 601 to assemble the pressing ring 6 in the housing 3 . The compression ring 6 is annularly arranged, with a non-closed opening 602 in the middle. The non-closed opening 602 creates favorable conditions for pouring glue into the housing. The first cable clamp, the second cable clamp 5 and the compression ring 6 are in the shell After the body 3 is assembled in place, pour glue into the non-closed opening 602 of the compression ring 6 to avoid excessive pressure when the cable assembly is plastic-sealed. reliability.

A shielding sleeve 101 is sleeved outside the wire harness, and the shielding sleeve 101 is made of metal. The shielding sleeve 101 is used to ensure good conduction of the wire harness and can also achieve 360 ° conduction with the two connector housings; in addition, the cable Clipping the cable clip flat 9 can prevent the shielding sleeve 101 from rotating.

The working principle of the present invention is as follows:

A flexible shielding sleeve 101 is sleeved on the outside of the wire harness. First, one end of the wire harness passes through the first channel 403 on the first connector 201, and then passes through the annular first body portion 401 into the housing of the first connector 201 and the first channel 403. A connector 201 is connected. After the wire harness is connected to the first connector 201, the first cable clip 4 is installed into the housing channel of the housing 3 along the direction of the wire harness. At this time, the first extension 402 passes through the opening. The slot 303 protrudes out of the housing 3; similarly, the other end of the wire harness passes through the first channel 403 on the second connector 202, and then passes through the annular first body portion 401 into the housing of the second connector 202 and communicates with the first channel 403 of the second connector 202. The two connectors 202 are connected. After the wire harness is connected to the second connector 202, the first cable clip 4 is installed into the housing channel of the housing 3 along the direction of the wire harness. At this time, the first extension 402 passes through the opening. The slot 303 protrudes out of the housing 3; then the second cable clip 5 is installed in the housing channel at a position above the first cable clip 4, and the second cable clip 5 is snapped together with the first cable clip 4 , the second extension part 502 on the second cable clip 5 and the first extension part 402 are buckled together to form a cable clip channel and protect and compress the wire harness; then screw the compression ring 6 into the housing 3 Position and fix the first cable clip 4 and the second cable clip 5 in the housing channel of the device to ensure that the first cable clip 4 and the second cable clip 5 clamp the wire bundle in the cable clip channel, and then pass the The non-closed opening 602 of the compression ring 6 is filled with glue into the housing 3; the end of the shielding sleeve 101 is bundled in the cable clamp groove 8 to fix the shielding sleeve 101; finally, the cable assembly is plastic-sealed to realize integration Plastic encapsulation.

The above are only preferred embodiments of the invention. Any simple modification, equivalent change and the Modifications still fall within the scope of the technical solutions of the invention.

Claims (8)

1. A small integrated plastic-encapsulated cable assembly, characterized in that it comprises a cable portion (1), connectors (2) are provided on both sides of the cable portion (1), and the cables are connected between the connectors through the cable portion (1). connection; the connector comprises a casing (3), an opening groove (303) is arranged on the side of the casing, and a first cable clamp (4), a second cable clamp (5), a compression ring ( 6) The outer wall of the compression ring is provided with an external thread, and the inner wall of the shell is provided with an inner thread. The cable clip and the second cable clip are compressed and fixed in the housing; the first cable clip includes a first main body part (401) and a first extension part (402) that are integrally arranged, and the second cable clip includes an integrally arranged first body part (401) and a first extension part (402). A second main body part (501) and a second extension part (502), the first extension part is located on the side of the first main body part, and the second extension part is located on the side part of the second main body part. 2 . The small integrated plastic-encapsulated cable assembly according to claim 1 , wherein the cable part ( 1 ) comprises a wire bundle, a shielding sleeve ( 101 ) is provided outside the wire bundle, and the connectors ( 2 ) pass through the wires. 3 . wiring harness to connect. 3 . The small integrated plastic-encapsulated cable assembly according to claim 1 , wherein: the outer wall of the casing ( 3 ) is provided with a casing groove ( 301 ) and a first cut flat ( 302 ). 4 . 4. The small integrated plastic-encapsulated cable assembly according to claim 2, characterized in that: both sides of the first extension part (402) are bent in the same direction and extend along the bending direction to form an open first channel (403). ); both sides of the second extension part (502) are bent in the same direction and extend along the bending direction to form an open second channel (504), and the second channel (504) is arranged corresponding to the first channel (403). 5. The small integrated plastic-encapsulated cable assembly according to claim 4, characterized in that: when the first cable clip (4) and the second cable clip (5) are snapped together, the first extension part (402) ) and the second extension (502) are also snapped together, the first channel (403) and the second channel (504) together form a cable clip channel, the snapped together first extension (402) and the first channel (504) The two extension parts (502) protrude out of the housing (3) through the opening slot (303); the first extension part (402) and the second extension part (502), which are fastened together, are suitable for the guide wire located in the cable clamp channel. The wire harness acts as a clamp. 6 . The small integrated plastic-encapsulated cable assembly according to claim 2 , wherein the first extension part ( 402 ) and the second extension part ( 502 ) are respectively provided with installation grooves and protrusions, and the first cable When the clip (4) and the second cable clip (5) are fastened together, the installation grooves on the first extension part (402) and the second extension part (502) are combined to form a ring-shaped cable clip groove ( 8) The protrusions on the first extension part (402) and the second extension part (502) are combined together to form an annular cable clip protrusion (7). 7 . The small integrated plastic-encapsulated cable assembly according to claim 6 , wherein the connector ( 2 ) comprises a first connector ( 201 ) and a second connector ( 202 ), and one end of the shielding sleeve ( 101 ) is bundled in the In the cable clamp groove (8) of the first connector (201), the other end of the shielding sleeve (101) is bundled in the cable clamp groove (8) of the second connector (202). 8 . The small integrated plastic-encapsulated cable assembly according to claim 1 , wherein the first extension part ( 402 ) is provided with a second protrusion ( 405 ), and the second protrusion ( 405 ) is provided with a second protrusion ( 405 ). Cut flat (406), the second extension (502) is provided with a third protrusion corresponding to the second protrusion (405), and the third protrusion is provided with a third flat cut (503), the first line When the cable clip (4) and the second cable clip (5) are fastened together, the second cut flat (406) and the third cut flat (503) together form a cable clip cut flat (9).

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