CN210349382U

CN210349382U - Resistance to compression type wire and cable

Info

Publication number: CN210349382U
Application number: CN201921338827.8U
Authority: CN
Inventors: 严建方
Original assignee: Shaoxing Shengxiang Cable Co Ltd
Current assignee: Shaoxing Shengxiang Cable Co Ltd
Priority date: 2019-08-19
Filing date: 2019-08-19
Publication date: 2020-04-17
Anticipated expiration: 2029-08-19

Abstract

The utility model discloses a resistance to compression type wire and cable, including the cable core group with be used for the cable core support of fixed cable core group, the cable core support outside is provided with the restrictive coating, the cable core group includes the cable core more than three at least, the cable core support includes the body, the body extends along cable core length direction, the inside separating muscle that is provided with of body, the separating muscle is with the inside four same volumetric cavities that divide into of body, the cavity is used for placing the cable core. The utility model has the advantages that: the utility model discloses a set up fixture block and draw-in groove for the fixture block card is gone into inside and is made to be formed with the clearance between cable core support and the restrictive coating of draw-in groove, then when wire and cable received external force extrusion, the fixture block can play the effect of elasticity resistance to compression, makes the clearance between cable core support and the restrictive coating exist all the time, prevents that pressure is too big in the twinkling of an eye to lead to wire and cable to be shrivelled, avoids the inside damage that appears of wire and cable, thereby has effectively guaranteed wire and cable's result of use and life.

Description

Resistance to compression type wire and cable

Technical Field

The utility model relates to a wire and cable technical field specifically is a resistance to compression type wire and cable.

Background

In recent years, with the development of social economy, the power and telecommunication industries have penetrated into daily life, and cables are widely used as carriers of signal transmission. The electric wire cable mainly comprises a bare wire, an electromagnetic wire, an insulated wire for motor and electric appliances, a power cable, a communication cable and an optical cable. A plurality of conductors are usually arranged in the existing cable, and are easily not isolated or not completely isolated, so that electromagnetic or electrostatic interference is easily generated, and the normal use of the cable is influenced. And some conductors are provided with insulating layers to isolate the conductors from each other, so that the design can increase the using amount of insulating layer materials, and further the production cost is increased.

Therefore, the utility model with the publication number of CN206075886U discloses an electric wire and cable, which comprises three conductors, including a polyethylene insulating layer, the three conductors are covered by the polyethylene insulating layer, a metal shielding layer is arranged outside the polyethylene insulating layer, a flame retardant layer is arranged outside the metal shielding layer, and a polyvinyl chloride insulating layer is arranged outside the flame retardant layer; the isolation plastic is arranged inside the polyethylene insulating layer and used for isolating the three conductors respectively, the isolation plastic is connected with the inner wall of the polyethylene insulating layer, and the isolation plastic is internally provided with conductive paint which is arranged among the three conductors.

The utility model arranges the conductive paint inside the isolation plastic to form electromagnetic shielding, so that the adjacent conductors can not be interfered by electromagnetic interference, and the electric wire and the electric cable can be normally used; and do not need to coat insulating material outside the conductor in addition, reduce the material consumption effectively, reduce the cost, still have the deficiency: the utility model discloses an electric wire and cable do not possess better crushing resistance, in case the external force extrusion that receives is too big, leads to electric wire and cable to be pressed flat easily, and inside cable core also can lead to the fracture because of mutual extrusion to lead to the inside damage that appears of electric wire and cable, finally influence electric wire and cable's result of use and life.

SUMMERY OF THE UTILITY MODEL

The object of the present invention is to provide a compression-resistant electric wire and cable with good compression resistance.

The utility model discloses a following technical scheme realizes above-mentioned purpose, a resistance to compression type wire and cable, include the cable core group and be used for the cable core support of fixed cable core group, the cable core support outside is provided with the restrictive coating, the cable core group includes the cable core more than three at least, the cable core support includes the body, the body extends along cable core length direction, the inside branch muscle that is provided with of body, the branch muscle is with the inside four same volumetric cavities that divide into of body, the cavity is used for placing the cable core, be provided with four fixture blocks on the body outer wall, the fixture block uses the body to be the cross symmetric distribution as the center, correspond the fixture block position on the restrictive coating inner wall and seted up the draw-in groove, the fixture block is kept away from the one end card of body and is gone into inside and make cable core support and.

By adopting the technical scheme, as the clamping block is arranged on the outer wall of the pipe body, and the clamping groove is arranged on the inner wall of the sheath layer corresponding to the clamping block, so that one end of the clamping block, which is far away from the pipe body, is clamped into the clamping groove and a gap is formed between the cable core support and the sheath layer, when the electric wire cable is extruded by external force, pressure can directly act on the sheath layer, the sheath layer can press close to the cable core support under pressure, so that the gap between the cable core support and the sheath layer is reduced or even disappears, in the process, the clamping block can continuously go deep into the clamping groove, at the moment, the clamping block can generate elastic deformation due to the extrusion of the inner wall of the clamping groove, and further has a buffering effect, when the external force disappears, the clamping block can stretch and recover to the original shape without being limited by the pressure, and further automatically separates from the inside of the clamping groove, so, prevent that pressure is too big in the twinkling of an eye to lead to wire and cable to be pressed flat, avoid the inside damage that appears of wire and cable to wire and cable's result of use and life have effectively been guaranteed.

As a further setting of the utility model, the fixture block is trapezoidal piece, the draw-in groove is the dovetail groove, the volume of draw-in groove is less than the volume of fixture block.

Through adopting above-mentioned technical scheme, because the fixture block is trapezoidal piece, and the draw-in groove is the dovetail groove for the volume of draw-in groove is less than the volume of fixture block, it is inside to make the fixture block can not block the draw-in groove completely, consequently enables to form the clearance between cable core support and the restrictive coating, and the fixture block also can pop out fast after being impressed the draw-in groove inside, thereby can play the effect of elasticity resistance to compression.

As a further setting of the utility model, be provided with the resistance to compression spare between the adjacent fixture block on the body outer wall, the resistance to compression spare includes the elastic support strip, the last body coupling of elastic support strip has the support piece with the laminating of body outer wall.

Through adopting above-mentioned technical scheme, owing to be provided with the compression-resistant piece on the body outer wall, then support the stay and can play the supporting role with the laminating of body outer wall, prevent that the cable core support from taking place to deviate in the sheath layer, and when the sheath layer received external force extrusion, can conduct power to the elastic support strip, then the elastic support strip can play the effect of alleviating the impact to play further resistance to compression effect.

As a further setting of the utility model, be provided with the stopper in the one side of supporting the die-pad and laminating with the body outer wall, set up the spacing groove that is used for the stopper card to go into on the body outer wall.

Through adopting above-mentioned technical scheme, owing to be provided with stopper and spacing groove, then when supporting the laminating of support piece and body outer wall, the stopper can block into spacing inslot portion along with it to can play spacing fixed effect, make the laminating of supporting support piece and body outer wall more inseparable, be difficult for deviating from, thereby enable elastic support strip to exert its elasticity resistance to compression effect better.

As a further setting of the utility model, the one end that the support piece was kept away from to the elastic support strip is provided with the inserted block, offer on the restrictive coating inner wall and be used for inserted block male slot.

Through adopting above-mentioned technical scheme, owing to be provided with inserted block and slot, then can be with resistance to compression piece fixed mounting on the restrictive coating inner wall through the mode of inserting the inserted block in the slot, be difficult for deviating from and the installation is dismantled comparatively conveniently.

As a further arrangement of the utility model, the insertion block is a dovetail block, and the slot is a dovetail groove.

Through adopting above-mentioned technical scheme, because the inserted block is the forked tail piece, and the slot is the dovetail, then through the limiting displacement of dovetail to the forked tail piece, can make the resist compression piece more firm with being connected of restrictive coating, be difficult for droing to the result of use of resist compression piece has been guaranteed.

As a further arrangement of the present invention, the partition ribs are cross-shaped.

Through adopting above-mentioned technical scheme, because the separation muscle is the cross structure, then the separation muscle can also play the resistance to compression effect when playing the separation effect, can make its quick reply after the cavity is shriveled to play further resistance to compression effect.

As a further setting of the utility model, be provided with the filling layer in the cavity, the filling layer is made by elastic material.

Through adopting above-mentioned technical scheme, owing to be provided with the filling layer in the cavity, and the filling layer is made by elastic material, then the filling layer can fill up the inside space of cavity to can play the effect of protection cable core, prevent that the cable core from leading to the fracture because of the pressurized is too big, thereby prolonged wire and cable's life greatly.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a set up fixture block and draw-in groove for the fixture block card is gone into inside and is made to be formed with the clearance between cable core support and the restrictive coating of draw-in groove, then when wire and cable received external force extrusion, the fixture block can play the effect of elasticity resistance to compression, makes the clearance between cable core support and the restrictive coating exist all the time, prevents that pressure is too big in the twinkling of an eye to lead to wire and cable to be shrivelled, avoids the inside damage that appears of wire and cable, thereby has effectively guaranteed wire and cable's result of use and life.

Drawings

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

fig. 2 is a cross-sectional view of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2;

FIG. 4 is a schematic structural view of a cable core support of the present invention;

fig. 5 is a schematic structural diagram of the middle sheath layer of the present invention.

Reference numerals: 1. a sheath layer; 2. a cable core; 3. a pipe body; 4. separating ribs; 5. a chamber; 6. a clamping block; 7. a card slot; 8. a gap; 9. a compression resistant part; 10. an elastic support bar; 11. supporting the supporting sheet; 12. a limiting block; 13. a limiting groove; 14. inserting a block; 15. a slot; 16. and (5) filling the layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, a compression-resistant electric wire comprises a core group and a core holder for fixing the core group, when the electric wire is installed, a worker needs to arrange a sheath layer 1 outside the core holder, the core group comprises at least more than three core 2, the core holder comprises a tube 3, the tube 3 extends along the length direction of the core 2, the worker needs to arrange separating ribs 4 inside the tube 3, the separating ribs 4 are in a cross structure, the inside of the tube 3 can be divided into four chambers 5 with the same volume through the separating ribs 4, the worker can place the core 2 inside the chambers 5, then arrange filling layers 16 at gaps inside the chambers 5, the filling layers 16 can be made of elastic materials, and then arrange four clamping blocks 6 on the outer wall of the tube 3, so that the clamping blocks 6 are symmetrically distributed in a cross shape with the tube 3 as the center, then arrange clamping grooves 7 on the inner wall of the sheath layer 1 corresponding to the clamping blocks 6, one end of the fixture block 6, which is far away from the tube body 3, is clamped into the clamping groove 7, a gap 8 is formed between the cable core support and the sheath layer 1, wherein the fixture block 6 is required to be a trapezoidal block, the clamping groove 7 is required to be a trapezoidal groove, the volume of the clamping groove 7 is smaller than the volume of the fixture block 6, then a compression resistant part 9 is arranged on the outer wall of the tube body 3 and positioned between the adjacent fixture blocks 6, the compression resistant part 9 comprises an elastic support strip 10, a support supporting sheet 11 is integrally connected onto the elastic support strip 10, the support supporting sheet 11 is required to be attached to the outer wall of the tube body 3, then a limiting block 12 is arranged on one surface, which is attached to the outer wall of the tube body 3, a limiting groove 13 for clamping the limiting block 12 is arranged on the outer wall of the tube body 3, an inserting block 14 is arranged at one end, which is far away from the support supporting sheet 11, of the elastic support, the slots 15 are provided as dovetail grooves to complete the installation of the electric wires and cables.

Because the outer wall of the tube body 3 is provided with the clamping block 6, the position of the inner wall of the sheath layer 1 corresponding to the clamping block 6 is provided with the clamping groove 7, the clamping block 6 is arranged into the trapezoidal block, the clamping groove 7 is arranged into the trapezoidal groove, the volume of the clamping groove 7 is smaller than the volume of the clamping block 6, the clamping block 6 can not be completely clamped into the clamping groove 7, one end of the clamping block 6, far away from the tube body 3, is clamped into the clamping groove 7, and a gap 8 is formed between the cable core support and the sheath layer 1, when the electric wire is extruded by external force, pressure can directly act on the sheath layer 1, the sheath layer 1 can be pressed to be close to the cable core support, so that the gap 8 between the cable core support and the sheath layer 1 is reduced or even disappears, in the process, the clamping block 6 can continuously go deep into the clamping groove 7, at the moment, the, fixture block 6 breaks away from the pressure constraint and can extend and resume former shape, and then deviate from draw-in groove 7 inside automatically, make clearance 8 reply, thereby can play the effect of elasticity resistance to compression, make clearance 8 between cable core support and the restrictive coating 1 exist all the time, prevent that pressure is too big in the twinkling of an eye and lead to electric wire and cable to be shriveled, avoid the inside damage that appears of electric wire and cable, thereby effectively guaranteed electric wire and cable's result of use and life, wherein, owing to be provided with compression-resistant piece 9 on the 3 outer walls of body, then support the piece 11 can play the supporting role with the laminating of 3 outer walls of body, prevent that cable core support from taking place skew in restrictive coating 1, and when restrictive coating 1 receives external force extrusion, can conduct elastic support strip 10 with power, then elastic support strip 10 can play the effect of mitigateing the impact, thereby play further compression-resistant.

Owing to be provided with stopper 12 and spacing groove 13, then when supporting the laminating of

support piece

11 and 3 outer walls of body, stopper 12 can block into spacing inslot 13 along with it, thereby can play spacing fixed effect, make the laminating of supporting

support piece

11 and 3 outer walls of body more inseparable, be difficult for deviating from, thereby enable elastic support strip 10 to exert its elasticity compressive action better, owing to be provided with inserted block 14 and slot 15, then can be with compression-resistant piece 9 fixed mounting on restrictive coating 1 inner wall through the mode of inserting inserted block 14 into slot 15, it is comparatively convenient to be difficult for deviating from and install and dismantle, and because set up inserted block 14 into the dovetail piece, set up slot 15 into the dovetail, then through the limiting displacement of dovetail piece, can make compression-resistant piece 9 more firm with the connection of restrictive coating 1, be difficult for droing, thereby the result of use of compression-resistant piece 9 has been guaranteed.

Because it is cross structure to separate muscle 4, then separate muscle 4 and can also play the resistance to compression effect when playing the separation effect, can make its fast recovery after cavity 5 is shriveled to play further resistance to compression effect.

Because be provided with filling layer 16 in cavity 5, and filling layer 16 is made by elastic material, then filling layer 16 can fill up the inside space of cavity 5 to can play the effect of protection cable core 2, prevent that cable core 2 from leading to the fracture because of the pressurized too big, thereby prolonged wire and cable's life greatly.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a resistance to compression type wire and cable, includes core group and the cable core support that is used for fixed core group, the cable core support outside is provided with restrictive coating (1), its characterized in that: the cable core group includes cable core (2) more than three at least, the cable core support includes body (3), body (3) are extended along cable core (2) length direction, body (3) inside is provided with and separates muscle (4), separate muscle (4) with body (3) inside division four same volumetric cavity (5), cavity (5) are used for placing cable core (2), be provided with four fixture block (6) on body (3) outer wall, fixture block (6) use body (3) to be the cross symmetric distribution as the center, correspond fixture block (6) position on restrictive coating (1) inner wall and seted up draw-in groove (7), the one end card that body (3) were kept away from in fixture block (6) is gone into inside draw-in groove (7) and is formed with gapped (8) between cable core support and restrictive coating (1).

2. The compression resistant electrical cable of claim 1, wherein: the clamping block (6) is a trapezoidal block, the clamping groove (7) is a trapezoidal groove, and the volume of the clamping groove (7) is smaller than that of the clamping block (6).

3. The compression resistant electrical cable of claim 1, wherein: be located to be provided with anti casting die (9) between adjacent fixture block (6) on body (3) outer wall, anti casting die (9) include elastic support strip (10), the last body coupling of elastic support strip (10) has support piece (11) with body (3) outer wall laminating.

4. A crush-resistant electric wire cable as claimed in claim 3, wherein: the support supporting piece (11) is provided with a limiting block (12) on one side attached to the outer wall of the pipe body (3), and a limiting groove (13) for the limiting block (12) to be clamped in is formed in the outer wall of the pipe body (3).

5. A crush-resistant electric wire cable as claimed in claim 3, wherein: the one end that support piece (11) was kept away from in elastic support strip (10) is provided with inserted block (14), offer on restrictive coating (1) inner wall and be used for inserted slot (15) of inserted block (14).

6. The compression resistant electrical cable of claim 5, wherein: the inserting block (14) is a dovetail block, and the slot (15) is a dovetail groove.

7. The compression resistant electrical cable of claim 1, wherein: the separating ribs (4) are in a cross structure.

8. The compression resistant electrical cable of claim 1, wherein: a filling layer (16) is arranged in the cavity (5), and the filling layer (16) is made of elastic materials.