CN211427892U - Resistance to compression jam-proof cable - Google Patents

Abstract

The utility model discloses a resistance to compression jam-proof cable, including interior rubber ring and outer guard circle, be equipped with electric core in the interior rubber ring, electric core parcel has the first insulation layer, has clearance formation buffering cavity one between outer guard circle inner wall and the interior rubber ring outer wall, be equipped with the buffering post that a plurality of has compression space along the circumference interval of interior rubber ring in the buffering cavity one, the both ends of buffering post are supported respectively to lean on including rubber ring and outer guard circle, interior rubber ring includes the second insulating layer, and the second insulating layer has been seted up a plurality of along cable length direction and has been placed the erection channel of electric core, be equipped with the shielding layer on the inner wall of erection channel. The utility model discloses can improve the compressive capacity and the interference killing feature of cable, guarantee cable power transmission's stability and security.

Description

Resistance to compression jam-proof cable

Technical Field

The utility model relates to the technical field of cables, concretely relates to resistance to compression jam-proof cable.

Background

With the high-speed development of economy, cables are widely applied to power transmission, in the practical use of life, the cables are laid in various environments, and the cables are extruded by external force in different use environments, so that the cables used in some cases need to have pressure resistance; most cable anti extrusion ability is relatively weak in market, do not even, when the cable receives outside extrusion at the in-process that uses, inside cable core must also receive the extrusion, it is the outer rubber protection layer of cable core mostly to cause the damage when pressure is not big, arouse the life of electric leakage accident and reduction cable easily like this, can directly cause the cable core to warp when pressure is too big, cable fracture even, cause the influence and cause the potential safety hazard to power transmission, meanwhile, the anti signal interference ability of current cable is relatively weak, under strong magnetic environment, the signal of telecommunication in the optical cable easily receives the interference, lead to signal of telecommunication transmission unstability.

Disclosure of Invention

The to-be-solved technical problem of the utility model is to provide a resistance to compression jam-proof cable improves the compressive capacity and the interference killing feature of cable, has guaranteed cable power transmission's stability and security.

In order to solve the technical problem, the utility model adopts the technical scheme that: the utility model provides a resistance to compression jam-proof cable, includes interior rubber ring and outer guard circle, is equipped with electric core in the interior rubber ring, and electric core parcel has first insulation layer, its characterized in that: the buffer cavity structure comprises an outer protection ring inner wall and an inner rubber ring outer wall, wherein a gap is formed between the outer protection ring inner wall and the inner rubber ring outer wall to form a first buffer cavity, a plurality of buffer columns with compression spaces are arranged in the first buffer cavity along the circumferential interval of the inner rubber ring, two ends of each buffer column are respectively abutted to the inner rubber ring and the outer protection ring, each inner rubber ring comprises a second insulating layer, a plurality of installation channels for placing electric cores are arranged on the second insulating layers along the length direction of cables, and shielding layers are arranged on the inner walls of the installation channels.

Interior rubber ring is including the buffering glue film that is located the outside of second insulating layer, be equipped with the protruding muscle of buffering that a plurality of court set up along cable length direction on the outer wall of buffering glue film, buffering cavity two has been seted up on the protruding muscle of buffering.

The distance from the top end of the buffering convex rib to the surface of the buffering rubber layer is smaller than the length of the buffering column.

The inner rubber ring further comprises a flame-retardant layer located between the second insulating layer and the buffer rubber layer, and the flame-retardant layer wraps the second insulating layer.

And the second buffer cavity is formed along the length direction of the cable.

The outer guard circle includes the anti-deformation layer that leans on with the bumping post counterbalance and wraps up the outer glue film on the outer surface of anti-deformation layer.

Four installation channels are formed in the second insulating layer and are distributed at intervals along the circumferential direction of the inner rubber ring.

The installation channel is in a water drop shape, the end with the smaller diameter of the installation channel is arranged towards the center of the inner rubber ring, and the battery cell is located at the end with the larger diameter of the installation channel.

The four installation channels are distributed in a cross shape, and the number of the buffering convex ribs is four and is distributed in one-to-one correspondence with the four installation channels.

A buffer column is arranged between every two buffer convex ribs.

The utility model has the advantages that:

compared with the prior art, the utility model discloses an outer guard circle and interior rubber ring, outer protective layer surround interior rubber ring, and outer guard circle includes anti deformation layer and outer rubber ring, and outer rubber ring has elastic deformability, can absorb outside impact, and the impact force protection inner structure that has certain hardness on anti deformation layer takes place slight deformation in order to protect inner structure's complete reliability when necessary. A first buffer cavity is formed between the inner rubber ring and the outer rubber ring, a buffer column and a buffer convex rib which are arranged in the first buffer cavity can provide buffer allowance when the cable is externally pressed, the cable has two-stage buffering due to the fact that the heights of the buffer column and the buffer convex rib are different, the integrity of structures such as a battery cell in the inner rubber ring is guaranteed, and the cable in the installation channel can be better protected due to the fact that the buffer convex rib is arranged on the outer side of each installation channel; because the installation channel is in a water drop shape, a certain distance is formed between the battery cell and the end with the small diameter of the installation channel, the installation channel can play a certain buffering role, and the distance between every two battery cells can be increased; the shielding layer arranged on the inner wall of the buffer channel can shield external signal interference and can also shield signal interference between internal electric cores; the flame-retardant layer can ensure that the internal electric core is not burnt when the conditions such as fire disaster occur outside, and the loss is reduced as much as possible.

Drawings

FIG. 1 is a block diagram of the present invention;

fig. 2 is an enlarged view of a portion I of fig. 1.

In the figure, 1, an inner rubber ring; 1a, a second insulating layer; 1a1, installation channel; 1b, a shielding layer; 1c, a buffer glue layer; 1c1, buffer convex ribs; 1c2 and a buffer cavity II; 1d, a flame-retardant layer; 2. an outer guard ring; 2a, a deformation-resistant layer; 2b, an outer glue layer; 3. an electric core; 3a, a first insulating layer; 4. a first buffer cavity; 5. and (7) buffering the column.

Detailed Description

The invention is further explained by combining the attached drawings.

Please refer to fig. 1 and 2, the utility model provides a compression-resistant and interference-proof cable, including inner rubber ring 1 and outer guard ring 2, have clearance formation buffer cavity 4 between 2 inner walls of outer guard ring and the 1 outer wall of inner rubber ring, buffer cavity 4 is interior to be equipped with a plurality of buffer column 5 that has compression space along the circumference interval of inner rubber ring 1, and buffer column 5's both ends are supported respectively to lean on inner rubber ring 1 and outer guard ring 2. Inner rubber ring 1 includes second insulating layer 1a, and four or three installation passageway 1a1 of placing electric core 3 are seted up along cable length direction to second insulating layer 1a, are equipped with shielding layer 1b on the inner wall of installation passageway 1a1, and electric core 3 is located installation passageway 1a1, and the parcel has first insulating layer 3a on the electric core 3. The buffer column 5 can adopt a rubber column or a spring, and the like, if the rubber column is adopted, the rubber column can be directly and integrally formed with the buffer rubber layer 1c, if the spring is adopted, the length of the cable is limited, and the cost is relatively high. The shielding layer 1b is made of an aluminum foil material or a copper material with a good shielding effect, so that mutual interference between the electric cores 3 is avoided. A polypropylene mesh-like filler material having the anti-electromagnetic interference properties of a glue gun may be added to the second insulating layer 1 a.

In this embodiment, four installation channels 1a1 are provided on the second insulating layer 1a, and are distributed at intervals along the circumferential direction of the inner rubber ring 1, the installation channel 1a1 is in a drop shape, the end with the smaller diameter of the installation channel 1a1 is arranged toward the center of the inner rubber ring 1, the battery cell 3 is located at the end with the larger diameter of the installation channel 1a1, and the four installation channels 1a1 are distributed in a cross shape.

The outside of second insulating layer 1a is equipped with the parcel and has had buffering glue film 1c, is equipped with the protruding muscle 1c1 of a plurality of towards the buffering that sets up along cable length direction on the outer wall of buffering glue film 1c, has seted up two buffer cavity 1c2 on the protruding muscle 1c1 of buffering, and two buffer cavity 1c2 are seted up along the length direction of cable. The buffer rubber layer 1c is made of rubber or latex and other materials.

The distance from the top end of the buffering convex rib 1c1 to the surface of the buffering rubber layer 1c is smaller than the length of the buffering columns 5, the number of the buffering convex ribs 1c1 is four, the buffering convex ribs are distributed in a one-to-one correspondence with the four installation channels 1a1, one buffering column 5 is arranged between every two buffering convex ribs 1c1, and the number of the buffering columns 5 is four.

And a flame-retardant layer 1d is arranged between the second insulating layer 1a and the buffer adhesive layer 1c, and the flame-retardant layer 1d is wrapped on the second insulating layer 1 a. The flame-retardant layer can be made of flame-retardant polyvinyl chloride (PVC) or ethylene propylene rubber (EPDM) or chlorosulfonated polyethylene.

The outer protective ring 2 comprises an anti-deformation layer 2a which is abutted against the buffer column 5 and an outer glue layer 2b which is wrapped on the outer surface of the anti-deformation layer 2 a.

This embodiment includes outer guard circle 2 and interior rubber ring 1, and outer guard circle surrounds interior rubber ring 1, and outer guard circle 2 includes anti deformation layer 2a and outer rubber layer 2b, and outer rubber layer 2b has elastic deformability, can absorb outside impact, and anti deformation layer 2a have certain hardness can absorb the impact force and protect the inner structure take place slight deformation when necessary in order to protect the complete reliability of inner structure. A buffer cavity I4 is formed between the inner rubber ring 1 and the outer rubber ring, a buffer column 5 and a buffer convex rib 1c1 which are arranged in the buffer cavity I4 can provide buffer allowance when the cable is externally pressed, and the buffer column 5 and the buffer convex rib 1c1 are different in height, so that the cable has two-stage buffering, the integrity of structures such as the battery cell 3 in the inner rubber ring 1 is ensured, and the outer side of each installation channel 1a1 is provided with the buffer convex rib 1c1 which can better protect the cable in the installation channel 1a 1; because the installation channel 1a1 is in a water drop shape, a certain distance is formed between the battery cell 3 and the end with the small diameter of the installation channel 1a1, the certain distance can play a certain buffering role, and meanwhile, the distance between every two battery cells 3 can be increased; the shielding layer 1b arranged on the inner wall of the buffer channel can shield external signal interference and can also shield signal interference among the internal electric cores 3; the flame-retardant layer 1d can ensure that the internal electric core 3 is not burned when a fire disaster and other conditions happen outside, and the loss is reduced as much as possible.

The above detailed description is made on the anti-compression and anti-interference cable provided by the embodiment of the present invention, and the specific examples are applied herein to explain the principle and the implementation manner of the present invention, and the description of the above embodiments is only used to help understand the technical solution disclosed by the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.

Claims (10)

1. The utility model provides a resistance to compression jam-proof cable, includes interior rubber ring (1) and outer guard circle (2), is equipped with electric core (3) in interior rubber ring (1), and electric core (3) parcel has first insulation layer (3 a), its characterized in that: outer guard circle (2) inner wall and interior rubber ring (1) outer wall between have the clearance and form buffering cavity (4), the circumference interval of following interior rubber ring (1) in buffering cavity (4) is equipped with buffer column (5) that a plurality of has compression space, and the both ends of buffer column (5) are supported respectively and are leaned on including rubber ring (1) and outer guard circle (2), interior rubber ring (1) includes second insulating layer (1 a), and second insulating layer (1 a) has seted up a plurality of installation passageway (1 a 1) of placing electric core (3) along cable length direction, be equipped with shielding layer (1 b) on the inner wall of installation passageway (1 a 1).

2. The crush-resistant, tamper-proof cable of claim 1, wherein: interior rubber ring (1) is including buffering glue film (1 c) that is located the outside of second insulating layer (1 a), be equipped with buffer protruding muscle (1 c 1) that a plurality of court set up along cable length direction on the outer wall of buffer glue film (1 c), buffer cavity two (1 c 2) have been seted up on buffer protruding muscle (1 c 1).

3. The crush-resistant, tamper-proof cable of claim 2, wherein: the distance from the top end of the buffer convex rib (1 c 1) to the surface of the buffer rubber layer (1 c) is less than the length of the buffer column (5).

4. The crush-resistant interference-proof cable according to claim 2 or 3, wherein: the inner rubber ring (1) further comprises a flame-retardant layer (1 d) located between the second insulating layer (1 a) and the buffer rubber layer (1 c), and the flame-retardant layer (1 d) wraps the second insulating layer (1 a).

5. The crush-resistant, tamper-proof cable of claim 4, wherein: the second buffer cavity (1 c 2) is formed along the length direction of the cable.

6. A crush-resistant interference-proof cable according to claim 1, 2 or 3, wherein: the outer protective ring (2) comprises an anti-deformation layer (2 a) which is abutted against the buffer column (5) and an outer rubber layer (2 b) which is wrapped on the outer surface of the anti-deformation layer (2 a).

7. The crush-resistant interference-proof cable according to claim 2 or 3, wherein: four mounting channels (1 a 1) are formed in the second insulating layer (1 a) and are distributed at intervals along the circumferential direction of the inner rubber ring (1).

8. The crush-resistant, tamper-proof cable of claim 7, wherein: the installation channel (1 a 1) is in a water-drop shape, the end with the smaller diameter of the installation channel (1 a 1) is arranged towards the center of the inner rubber ring (1), and the battery cell (3) is located at the end with the larger diameter of the installation channel (1 a 1).

9. The crush-resistant, tamper-proof cable of claim 8, wherein: the four installation channels (1 a 1) are distributed in a cross shape, and the number of the buffering convex ribs (1 c 1) is four and is distributed in one-to-one correspondence with the four installation channels (1 a 1).

10. The crush-resistant, tamper-proof cable of claim 9, wherein: a buffer column (5) is arranged between every two buffer convex ribs (1 c 1).

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