CN217823544U

CN217823544U - Cable branching structure

Info

Publication number: CN217823544U
Application number: CN202221114426.6U
Authority: CN
Inventors: 王超; 王大禹
Original assignee: Changchun Jetty Automotive Parts Co Ltd
Current assignee: Changchun Jetty Automotive Parts Co Ltd
Priority date: 2022-05-11
Filing date: 2022-05-11
Publication date: 2022-11-15
Anticipated expiration: 2032-05-11

Abstract

The utility model discloses a cable branching structure, which comprises at least one cable component, wherein the cable component comprises at least two cables and a connecting part, and the cables comprise a guide core and a shielding layer coated on the periphery of the guide core; the shell assembly is coated outside the cable assembly and has a shielding effect; a resilient means disposed within the housing assembly, the resilient means covering the connection portion and covering at least a portion of the cable; the connecting part is electrically connected with the conductive core, and the shell assembly is electrically connected with the shielding layer. The whole part that adopts of this cable separated time structure is small in quantity, has alleviateed the whole weight of cable separated time structure, has reduced development cost, and the assembly of being convenient for saves processing man-hour.

Description

Cable branching structure

Technical Field

The utility model relates to a technical field is fixed to the cable, more specifically relates to a cable branching structure.

Background

In the field of the automobile industry, cables are an indispensable important part and are the core of electric energy transmission. Sometimes in certain circumstances it is desirable to branch a single cable into multiple cables. At this time, the function of the branching structure is important, and the branching structure not only needs to meet design requirements, but also needs to meet customer requirements, and further needs to reduce cost. The traditional wire distributing structure has many parts, complex process and large occupied space, and the defects of the traditional wire distributing structure can be overcome by the novel wire distributing structure.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a technical scheme of cable fixed bolster, the commonality is strong, and easy to assemble has reduced the fixed degree of difficulty of cable.

The utility model provides a cable branching structure, which comprises at least one cable component, wherein the cable component comprises at least two cables and a connecting part, and the cables comprise guide cores and shielding layers which are sequentially coated on the peripheries of the guide cores; the shell assembly is coated on at least the periphery of the cable assembly and has a shielding effect; a resilient means disposed within the housing assembly, the resilient means covering the connection portion and covering at least a portion of the cable; the connecting part is electrically connected with the conductive core, and the shell assembly is electrically connected with the shielding layer.

Preferably, one end of the cable is stripped off part of the shielding layer to expose part of the guide cores, and the guide cores are welded or pressed with each other to form a connecting part.

Preferably, the cable assembly further comprises a connector, one end of the cable is stripped off part of the shielding layer to expose part of the guide core, and the guide cores are welded or pressed with each other through the connector to form a connecting part.

Preferably, the cable connector further comprises a bracket arranged in the housing assembly, and the connecting part and part of the cable are fixed in the bracket.

Preferably, the bracket comprises the bracket partition and a side wall which is connected with the side edge of the partition and is arranged oppositely, a containing part is formed between the side wall which is arranged oppositely and the partition, and the connecting part and part of the cable are arranged in the containing part.

Preferably, at least one pair of limiting ribs is arranged on the partition board and/or the side wall, and the limiting ribs limit the connecting part to move in the accommodating part.

Preferably, spacing muscle is a plurality of, and is a plurality of spacing muscle sets up along cable extending direction interval.

Preferably, a clamping part protrudes and is arranged on the partition plate along the radial direction, and the clamping part is clamped with the cable.

Preferably, the clamping part is provided with a limiting part, and the limiting part limits the cable to be separated from the accommodating part.

Preferably, the shell assembly comprises a cylindrical shell and cover bodies arranged at two ends of the shell, and the shell and the cover bodies are connected together in a splicing or screwing manner or welding or bonding or clamping or riveting manner.

Preferably, the shell and the cover body are respectively provided with a clamping mechanism, and the cover body is detachably connected with the shell through the clamping mechanisms.

Preferably, the clamping mechanism includes joint boss and joint recess, the shell with the outer wall of one in the lid is provided with at least one joint boss, the other of lid and shell is provided with the joint recess with joint boss joint complex.

Preferably, through holes for inserting the cables are formed in two ends of the cover body, cable shielding shells protrude from the inner walls of the through holes along the cable extending direction, and the cable shielding shells are electrically connected with the shielding layers.

Preferably, an inner insulating layer is further arranged between the guide core and the shielding layer of the cable.

Preferably, the cable still includes outer insulating layer, the shielding layer is established in the outer insulating layer, just the shielding layer is turned over to the cladding is in outer insulating layer's at least partial periphery and with cable shield shell electricity is connected.

Preferably, at least part of the periphery of the shielding layer is sleeved with a shielding ring, the shielding ring is connected with the shielding layer in a crimping or welding or bonding mode, and the cable shielding shell is electrically connected with the shielding ring.

Preferably, the shield ring includes first shield ring and second shield ring, first shield ring internal diameter is less than second shield ring internal diameter, the shielding layer to turning up roll over the cladding in at least partial periphery of first shield ring, second shield ring cup joints in first shield ring periphery to turn over the book the shielding layer is fixed first shield ring with between the second shield ring, the second shield ring with cable shield shell electric connection.

Preferably, the cable shielding case and the cover are integrally formed.

Preferably, the outer shell and/or the cover body are/is further provided with an insulating outer shell at the periphery.

The technical effects of the utility model are as follows:

1. the cable branching structure integrally adopts a small number of parts, reduces the overall weight of the cable branching structure, reduces the development cost, is convenient to assemble, and saves the processing time.

2. The elastic device is integrally molded to replace a traditional sealing ring, so that tolerance gaps and the like generated during hard rubber assembly can be completely filled, and complete sealing is realized.

3. In this cable separated time structure, the casing subassembly surrounds cable and connecting portion to the shielding layer electric connection of casing subassembly and cable has played the effect to cable and connecting portion safety shield, has reduced electromagnetic interference's influence.

4. In this cable separated time structure, set up the shielding ring, the shielding ring can make housing assembly be connected more stably with the shielding layer of shielding cable, obtains better shielding effect.

5. In this cable separated time structure, the cable subassembly passes through the support to be separated, can effectively avoid different cable subassembly electricity to be connected, and the setting of clamping part and spacing portion can be firm fixes the cable subassembly on the support simultaneously, simple to operate also dismantles easily.

Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments of the invention, which proceeds with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.

Fig. 1 is a perspective view of the cable branching structure of the present invention;

fig. 2 is an assembly schematic view of the cable component of the cable branching structure of the present invention;

fig. 3 is a schematic view of the connection structure of the cable branching structure housing and the cover body of the present invention;

fig. 4 is a front view of the cable and bracket assembly of the cable branching structure of the present invention;

FIG. 5 is a cross-sectional view of the cable of FIG. 4 taken along line B-B in accordance with the present invention;

fig. 6 is a schematic view of the assembly of the cable with the cable branching structure and the shielding ring of the present invention;

fig. 7 is a schematic view of the cable branching structure shielding ring structure of the present invention;

fig. 8 is a schematic view of an integral injection molding structure of the elastic device of the cable branching structure of the present invention.

The figures are labeled as follows:

10. a cable assembly; 11. a cable; 12. a connecting portion; 111. a guide core; 112. an inner insulating layer; 113. A shielding layer; 114. an outer insulating layer;

20. a support; 21. a receptacle portion; 22. limiting ribs; 23. a clamping part; 231. a limiting part;

30. a housing assembly; 31. a clamping mechanism; 32. outer cover

40. A cover body; 41. a cable shielding shell;

50. an elastic device;

60. and a shielding ring.

Detailed Description

Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: unless specifically stated otherwise, the relative arrangement of parts and steps, numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention.

The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.

Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.

In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.

A cable branching structure, as shown in fig. 1 to 8, includes at least one cable assembly 10, where the cable assembly 10 includes at least two cables 11 and a connecting portion 12, the cable 11 includes a guide core 111 and a shielding layer 113 sequentially covering the periphery of the guide core 111; a housing assembly 30 with shielding effect covering at least the periphery of the cable assembly 10; an elastic device 50 disposed inside the housing assembly 30, the elastic device 50 covering the connecting portion 12 and at least a portion of the cable 11; the connecting portion 12 is electrically connected to the conductive core 111, and the housing assembly 30 is electrically connected to the shielding layer 113.

The cable assembly 10 generates an electromagnetic field when a current passes through it, and in order to prevent the electromagnetic field generated by the current from performing electromagnetic interference on the electric appliances in the surrounding environment and affecting the normal operation of other electric appliances, the electromagnetic field generated by the current is electromagnetically shielded.

The cable 11 includes a conductive core 111 and a shield layer 113 covering the conductive core 111. The shell assembly 30 is coated on at least the periphery of the cable assembly 10, at least coats the connecting part 12 and a part of the cable 11, plays a role in shielding the cable 11, has a simple structure, and can realize a good shielding effect.

The housing assembly 30 has excellent conductivity, and the conductivity can be controlled by increasing or decreasing the conductive media on the housing assembly 30, and the specific conductive media can be stainless steel or carbon powder, etc., and are added to the plastic particles in the form of raw material particles, and then the plastic particles are injection molded to form the housing assembly 30. Elastic device 50 cladding connecting portion 12 and at least part of cable 11, elastic device 50 can be integratively moulded plastics and fill in casing subassembly 30, has replaced traditional sealing washer, can fill up tolerance clearance etc. that produce during the ebonite assembly completely, accomplishes completely sealed.

Specifically, in this structure, the conductive core 111 of the cable 11 is electrically connected to the connecting portion 12, the connecting portion 12 may be a separate component, and the housing assembly 30 is electrically connected to the shielding layer 113 to achieve the shielding function.

The whole part quantity that adopts of this cable separated time structure is few, has alleviateed whole weight, has reduced development cost, and the assembly of being convenient for saves processing man-hour.

In a specific embodiment, an end of the cable 11 is stripped off part of the shielding layer 113 to expose part of the conductive core 111, and the conductive cores 111 are welded or crimped to form the connecting portion 12.

Specifically, as shown in fig. 2, the cables 11 may be divided into a first cable, a second cable, and a third cable, where the 3 cables 11 are all configured in the same structure, the three cables are respectively stripped off the shielding layer 113 to expose the conductive cores 111, and the conductive cores 111 are welded or crimped to form the connection portion 12.

In a specific embodiment, the cable assembly 10 further includes a connector, an end of the cable 11 is stripped off, a portion of the shielding layer 113 is exposed, and a portion of the conductive core 111 is exposed, and the conductive cores 111 are welded or pressed to each other through the connector to form the connecting portion 12.

The connecting piece here refers to a single component, and can be a terminal, and the specific first cable, the second cable and the exposed core 111 of the third cable are connected electrically through the connecting piece switching, as shown in fig. 2, the first cable and the second cable are located on two cables 11 side by side on the same side, the third cable is the cable 11 on the other side, the connecting piece is arranged, and the cables 11 are connected at an angle, so that the overall structure volume is reduced, and the connecting piece is suitable for more use environments.

In a specific embodiment, as shown in fig. 2, the cable connector further includes a bracket 20 disposed in the housing assembly 30, and the connecting portion 12 and a portion of the cable 11 are fixed in the bracket 20.

When the number of the cable assemblies 10 is two or more, the arrangement of the bracket 20 can ensure that insulation is realized between different cable assemblies 10, electric connection is avoided, meanwhile, the cable 11 and the connecting piece can be supported, and the overall stability of the cable branching structure is improved.

In a specific embodiment, as shown in fig. 2, the rack 20 includes a partition of the rack 20 and side walls connected to and opposite to the side edges of the partition, wherein the side walls and the partition form a receiving portion 21 therebetween, and the connecting portion 12 and a part of the cables 11 are disposed in the receiving portion 21.

Specifically, at least one accommodating part 21 is provided, and when there is a group of cable assemblies 10, the partition of the bracket 20 may be connected to the bottom of the side wall to form a U-shaped accommodating part 21; when the number of the cable assemblies 10 is two or more, the partition board may be connected to the middle of the sidewall to form two receiving portions 21, and the connecting members are respectively located in the respective receiving portions 21 and insulated from each other, thereby preventing the connecting portions 12 from being electrically connected.

In a specific embodiment, at least one pair of limiting ribs 22 is disposed on the partition and/or the side wall, and the limiting ribs 22 limit the movement of the connecting portion 12 in the accommodating portion 21.

As shown in fig. 2, the limiting rib 22 is triangular, and when the cable assembly 10 is placed in the bracket 20, the triangular limiting rib 22 can be placed from top to bottom, so that the connecting portion 12 can be easily placed in the bracket 20, and meanwhile, the limiting rib 22 arranged on the partition board can limit the connecting portion 12 to move in the accommodating portion 21, so that the partition board is simple and convenient, and if the limiting ribs 22 with other shapes have the same functions, the protection range of the patent is provided.

In a specific embodiment, the limiting ribs 22 are multiple, and the limiting ribs 22 are arranged at intervals along the extending direction of the cable 11.

According to the length of connecting portion 12, spacing muscle 22 can the interval set up the multiunit, realizes spacing and the equipment to connecting portion 12.

In a specific embodiment, a clamping part 23 protrudes from the partition board along the radial direction, and the clamping part 23 is clamped with the cable 11.

Specifically, as shown in fig. 2, the clamping portions 23 clamp the cables 11, respectively, so as to secure the cables 11 to each other without shaking.

In a specific embodiment, the clamping portion 23 is provided with a limiting portion 231, and the limiting portion 231 limits the cable 11 from being separated from the accommodating portion 21.

The arrangement direction of the limiting part 231 is designed according to the arrangement of the cables 11, as shown in fig. 2, the first cables and the second cables which are arranged side by side towards the corresponding clamping parts 23, and the directions of the limiting parts 231 are opposite, so as to ensure that the two cables are not contacted and play a role in fixing; the clamping part 23 of the third cable is separately arranged at two sides of the third cable, and the limiting parts 231 are oppositely arranged to fix the third cable.

In a specific embodiment, the housing assembly 30 includes a cylindrical outer housing 32 and cover bodies 40 disposed at two ends of the outer housing 32, and the outer housing 32 and the cover bodies 40 are connected together by plugging, screwing, welding, bonding, clipping, or riveting.

As shown in fig. 1 and fig. 3, the housing assembly 30 includes a housing 32 and a cover 40, where the cover 40 may be disposed at two ends of the housing 32, or one end of the cover 40 may be closed and integrated, and is disposed at only one end of the cover 40, and the design is specific according to actual situations. The housing 32 and the cover 40 can be connected together by plugging or screwing or welding or bonding or snapping or riveting according to specific use conditions.

In the plugging method, the contact surfaces of the shell 32 and the cover 40 are provided with the lock hooks one by one and the lock catches, and the contact surfaces of the shell 32 and the cover 40 are stably connected together through the assembly of the lock hooks and the lock catches.

In the screwing method, the shell 32 and the cover 40 are respectively provided with a thread and a screw, and the contact surfaces of the shell 32 and the cover 40 are stably connected together by screwing the thread and the screw. The screwing structure is a minimum of M3 threads and screws, and the torque when the screwing structure is screwed is a minimum of 0.2Nm.

The welding mode, including laser welding, ultrasonic welding, resistance welding, pressure diffusion welding or brazing, adopts concentrated heat energy or pressure to make the contact position of the surface of the shell 32 and the cover body 40 generate fusion connection, the welding mode is stable in connection, the connection of dissimilar materials can be realized, and the conductive effect is better because the contact positions are fused.

The bonding mode is to bond the inner surfaces of the shell 32 and the cover 40 together by using conductive adhesive, and the bonding mode does not need to use equipment, has good conductive effect but lower connection strength, and is suitable for use environments with low requirements on the connection strength and lower melting points or strengths of the inner surfaces of the shell 32 and the cover 40.

The specific structure of the clamping manner is as shown in fig. 3, and the clamping manner is that clamping claws or clamping grooves are arranged on the inner surfaces of the shell 32 and the cover body 40, corresponding clamping grooves or clamping claws are arranged on the shell 32 and the cover body 40, and then the clamping claws and the clamping grooves are assembled and connected.

In the riveting manner, connection holes are respectively formed in the housing 32 and the cover 40, and a rivet penetrates through the connection holes and deforms by penetrating one end of the rivet, so that the contact surfaces of the housing 32 and the cover 40 are stably connected together.

In a specific embodiment, the housing 32 and the cover 40 are respectively provided with a latch mechanism 31, and the cover 40 is detachably connected to the housing 32 through the latch mechanism 31.

Specifically, as shown in fig. 3, the housing 32 is detachably connected to the cover 40.

In a specific embodiment, the clamping mechanism 31 includes a clamping boss and a clamping groove, the outer wall of one of the cover 40 and the housing 32 is provided with at least one clamping boss, and the other of the cover 40 and the housing 32 is provided with a clamping groove matched with the clamping boss in a clamping manner.

As shown in fig. 3, the clamping boss and the clamping groove can be respectively disposed on the housing 32 or the cover 40, and are connected in a matching manner by clamping, so that the detachment is facilitated.

In a specific embodiment, through holes are opened at two ends of the cover 40 for the cables 11 to be inserted into, cable shielding cases 41 protrude from inner walls of the through holes along the extending direction of the cables 11, and the cable shielding cases 41 are electrically connected to the shielding layer 113.

As shown in fig. 1 and fig. 3, the cable shielding case 41 is provided, so that the cable 11 can be better electromagnetically shielded by the housing assembly 30, and the cable shielding case 41 can be in better contact with the shielding layer 113 of the cable 11, so as to achieve more stable electrical connection.

An inner insulating layer 112 is also provided between the conducting core and the shielding layer of the cable. The inner insulating layer 112 functions as an insulating barrier to prevent short circuit due to contact therebetween.

In a specific embodiment, the cable 11 further includes an outer insulating layer 114, the shielding layer 113 is disposed in the outer insulating layer 114, and the shielding layer 113 is folded outwards to cover at least a part of the periphery of the outer insulating layer 114 and electrically connected to the cable shielding case 41.

The cable 11 further includes an outer insulating layer 114, as shown in fig. 5, the shielding layer 113 is disposed in the outer insulating layer 114, and an end of the shielding layer 113 is folded outward to cover at least a part of the outer circumference of the outer insulating layer 114. The shielding layer 113 may be a shielding mesh, or a conductive foil wound around the inner insulating layer 112, and when the shielding layer 113 is cut or stripped, a free metal wire may be generated, and when the metal wire contacts the conductive core 111, a short circuit or a shielding failure may occur, so that when a general cable 11 connection structure is processed, the shielding layer 113 may be folded outwards to cover at least a part of the outer circumference of the outer insulating layer 114, and then electrically connected to the cable shielding case 41, so as to prevent the shielding layer 113 from contacting the conductive core 111.

In a specific embodiment, the shielding layer 113 is at least partially sleeved with a shielding ring 60, the shielding ring 60 is connected with the shielding layer 113 by crimping, welding or bonding, and the cable shielding shell 41 is electrically connected with the shielding ring 60.

The shield is disposed on at least a part of the outer periphery of the shield layer 113, and the shield layer 113 is electrically connected to the cable shield case 41 through the shield ring 60. The shielding layer 113 may be a shielding net or a conductive foil wound on the inner insulating layer 112, the shielding layer 113 is a flexible structure, and the cable shielding case 41 is generally a rigid structure, when the two are in contact with each other, due to the deformation of the shielding layer 113, the cable shielding case 41 and the shielding layer 113 are temporarily disconnected, so that the impedance at the contact position is changed, the shielding effect of the connection structure of the shielding cable 11 is unstable, and the transmission of signals is affected. Therefore, the shielding ring 60 and the shielding layer 113 need to be used for stable connection, and the shielding ring 60 is generally of a rigid structure, so as to be convenient for forming good electrical connection with the cable shielding case 41, thereby achieving a stable shielding effect.

In a specific embodiment, as shown in fig. 6, the cable shielding shell 41 is connected to the shielding ring 60 in contact, the cable shielding shell 41 applies pressure to the shielding ring 60, and the housing assembly 30 is electrically connected to the shielding ring 60 through the cable shielding shell 41.

In a specific embodiment, the shielding ring 60 includes a first shielding ring and a second shielding ring, the inner diameter of the first shielding ring is smaller than the inner diameter of the second shielding ring, the shielding layer 113 is folded outwards and covers at least a part of the outer periphery of the first shielding ring, the second shielding ring is sleeved on the outer periphery of the first shielding ring, and the folded shielding layer 113 is fixed between the first shielding ring and the second shielding ring, and the second shielding ring is electrically connected to the cable shielding shell 41.

As shown in fig. 7, the shielding ring 60 includes a first shielding ring and a second shielding ring, and when a general cable 11 connection structure is processed, the shielding layer 113 is folded outward to cover at least a part of the outer circumference of the outer insulating layer 114, and then is electrically connected to the cable shielding case 41, so that the shielding layer 113 can be prevented from contacting the conductive core 111. In this embodiment, a stepped collar is adopted, the shielding layer 113 is turned outwards to cover at least part of the periphery of the first shielding ring, so that the shielding layer 113 can be prevented from contacting the conductive core 111, and the second shielding ring and the cable shielding shell 41 form a good electrical connection, thereby achieving a stable shielding effect.

More specifically, as shown in fig. 7, the second shielding ring is provided with a conductive elastic sheet protruding to the outer circumference, when the cable 11 is assembled with the shielding ring 60, because the outer circumference radius of the conductive elastic sheet is greater than the inner diameter of the cable shielding shell 41, after the cable 11 is sleeved on the housing 32, the cable shielding shell 41 of the cover 40 penetrates through the cable 11 to be connected with the housing 32, and through the conductive elastic sheet, the cable 11 can be electrically connected with the cover 40 more stably.

The shielding layer 113 and the first shielding ring may be fixed by crimping, welding or bonding, and the connection is as described above.

In a specific embodiment, the cable shielding case 41 is integrally formed with the cover 40.

The cable shielding shell 41 and the cover body 40 are integrally formed, so that the assembly time is saved, the operation steps are simplified, and the shielding performance is better.

In a specific embodiment, an insulating shell 32 is further disposed around the outer shell 32 and/or the cover 40.

The insulating housing 32 is disposed on the outer periphery of the housing 32 and the cover 40 or on the outer periphery of the housing 32 or the cover 40, so as to reduce the influence of the housing 32 and the cover 40 on the external electromagnetic interference according to actual needs.

Although some specific embodiments of the present invention have been described in detail by way of example, it should be understood by those skilled in the art that the above examples are for illustration only and are not intended to limit the scope of the invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.

Claims

1. A cable breakout structure, comprising:

the cable assembly comprises at least two cables and a connecting part, and each cable comprises a guide core and a shielding layer coated on the periphery of the guide core;

the shell assembly is coated on at least the periphery of the cable assembly and has a shielding effect;

a resilient means disposed within the housing assembly, the resilient means covering the connection portion and covering at least a portion of the cable;

the connecting part is electrically connected with the conductive core, and the shell assembly is electrically connected with the shielding layer.

2. The cable splitting structure of claim 1, wherein one end of the cable is stripped off and a portion of the shielding layer is exposed and a portion of the conductive cores are exposed, and the conductive cores are welded or crimped to each other to form a connection.

3. The cable splitting structure of claim 1, wherein the cable assembly further comprises a connector, wherein a stripped portion of one end of the cable exposes a portion of the shielding layer and a portion of the conductive core is welded or crimped to each other by the connector to form a connection.

4. The cable breakout structure of claim 1, further comprising a bracket disposed in the housing assembly, the connection portion and a portion of the cable being secured within the bracket.

5. The cable breakout structure of claim 4, wherein the frame includes the frame bulkhead and opposing sidewalls connected to the bulkhead sides, the opposing sidewalls and the bulkhead forming a receptacle therebetween, the connection portion and a portion of the cable being disposed in the receptacle.

6. The cable splitting structure of claim 5, wherein at least one pair of limiting ribs is disposed on the partition and/or the side wall, and the limiting ribs limit the movement of the connecting portion in the accommodating portion.

7. The cable branching structure of claim 6, wherein the plurality of limiting ribs are arranged at intervals along a cable extending direction.

8. The cable branching structure of claim 5, wherein a clamping portion protrudes from the partition plate in a radial direction, and the clamping portion is clamped with the cable.

9. The cable branching structure according to claim 8, wherein a stopper portion is provided on the gripping portion, and the stopper portion restricts the cable from coming off the accommodating portion.

10. The cable distributing structure of claim 1, wherein the housing assembly comprises a cylindrical housing and cover bodies arranged at two ends of the housing, and the housing and the cover bodies are connected together in an inserting manner, or a screw connection manner, or a welding manner, or a bonding manner, or a clamping manner, or a riveting manner.

11. The cable distributing structure of claim 10, wherein the housing and the cover are respectively provided with a clamping mechanism, and the cover is detachably connected to the housing through the clamping mechanism.

12. The cable distributing structure of claim 11, wherein the clamping mechanism comprises a clamping boss and a clamping groove, the outer wall of one of the shell and the cover is provided with at least one clamping boss, and the other of the cover and the shell is provided with a clamping groove in clamping fit with the clamping boss.

13. The cable branching structure according to claim 10, wherein through holes are formed at two ends of the cover body for the cables to be inserted into, inner walls of the through holes protrude in a direction in which the cables extend to form cable shielding cases, and the cable shielding cases are electrically connected to the shielding layer.

14. The cable breakout structure of claim 1, wherein an inner insulating layer is further disposed between the conductive core and the shielding layer of the cable.

15. The cable breakout structure of claim 13, wherein the cable further comprises an outer insulating layer, wherein the shield is disposed within the outer insulating layer, and wherein the shield is folded over to wrap around at least a portion of the outer circumference of the outer insulating layer and electrically connect to the cable shield shell.

16. The cable branching structure of claim 13, wherein a shielding ring is sleeved on at least part of the periphery of the shielding layer, the shielding ring is connected with the shielding layer by crimping, welding or bonding, and the cable shielding shell is electrically connected with the shielding ring.

17. The cable breakout structure of claim 16, wherein the shield ring comprises a first shield ring and a second shield ring, the first shield ring has an inner diameter smaller than an inner diameter of the second shield ring, the shield layer is folded outward and covers at least a portion of an outer periphery of the first shield ring, the second shield ring is sleeved on the outer periphery of the first shield ring and fixes the folded shield layer between the first shield ring and the second shield ring, and the second shield ring is electrically connected to the cable shield shell.

18. The cable breakout structure of claim 13, wherein the cable shield shell is integrally formed with the cover.

19. The cable breakout structure of claim 10, wherein an insulating housing is further provided around the housing and/or the cover.