CN215118351U

CN215118351U - Prefabricated branch cable

Info

Publication number: CN215118351U
Application number: CN202121640108.9U
Authority: CN
Inventors: 李沿; 张林锐; 程斌; 周佩; 李中义; 华健; 蒋晶晶
Original assignee: Wuxi Huamei Cable Co ltd
Current assignee: Wuxi Huamei Cable Co ltd
Priority date: 2021-07-19
Filing date: 2021-07-19
Publication date: 2021-12-10
Anticipated expiration: 2031-07-19

Abstract

The utility model relates to the technical field of cables, particularly, relate to prefabricated branch cable, include: the main cable and the branch cable respectively comprise a conductive wire core and an insulating layer coated on the outer side of the conductive wire core, and the conductive wire core at the end part of the branch cable and the conductive wire core at the exposed part of the main cable are clamped and fixed through a C-shaped wire clamp so as to conduct the main cable and the branch cable; through setting up first fastener, the removable prefabricated branch cable of components of a whole that can function independently of branch portion sheath and second fastener combination, wherein branch portion sheath card cover is in the wiring department of thread cable and branch line cable, guarantee this part and outside insulating nature, first fastener and second fastener card cover respectively at the both ends of branch portion sheath, be used for playing the fixed cable effect, make the cable can not pull the power and break away from with branch line cable under pulling the condition, the leakproofness between cable and the external member is guaranteed to the seal cover, wholly easy dismouting, convenient maintenance or maintenance.

Description

Prefabricated branch cable

Technical Field

The utility model relates to the technical field of cables, particularly, relate to prefabricated branch cable.

Background

The prefabricated branch cable is a cable applied to the field of illumination, and is suitable for power supply trunks of medium-high buildings with rated voltage of 1KV and below in scenes such as factories, markets, airports, outdoor squares, residential quarters and the like by designing a main cable and a plurality of branch cables according to preset lengths or positions, such as one-in-one, two-in-one, three-in-one and the like, so as to replace the currently commonly adopted closed bus ducts. Compared with the bus duct, the prefabricated branch cable obviously reduces the construction cost, the prefabricated branch cable system which normally runs does not need extra maintenance, the installation is flexible and convenient through the use of the cable with the branch, the circuit laying construction period can be shortened, the material cost and the construction cost are greatly reduced, and the safety and the reliability of power distribution are ensured.

The prefabricated branch cable of production at present sets up a compression molding's insulating layer in the outside of branch connector, and this insulating layer and cable oversheath combination department not inseparable can lead to the dampproofing of branch connector, waterproof performance not enough, is integrated into one piece to this insulating layer in addition to traditional preparation technology, and later stage is overhauld or the maintenance can not the dismouting, can only disposable.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects of the prior art, a novel prefabricated branch cable is provided, include: the main cable and the branch cable respectively comprise a conductive wire core and an insulating layer coated on the outer side of the conductive wire core, and the conductive wire core at the end part of the branch cable and the conductive wire core at the exposed part of the main cable are clamped and fixed through a C-shaped wire clamp so as to conduct the main cable and the branch cable; the branch part sheath comprises two symmetrical jackets which can be mutually clamped and sleeved outside the main cable, the branch cable and the C-shaped wire clamp, and a limiting cavity which is used for accommodating and limiting the main cable, the branch cable and the C-shaped wire clamp is arranged inside the branch part sheath; the first clamping piece and the second clamping piece are fixedly clamped and sleeved at two ends of the branch part sheath respectively and are used for fixing the main cable and the branch cable; and the sealing sleeve is sleeved on the outer sides of the main cable and the branch cable, is positioned at the joint of the first clamping piece, the branch part sheath and the second clamping piece and is used for sealing the joint.

Furthermore, a convex sealing disc ring is arranged on the periphery of the sealing sleeve, and a clamping groove matched with the sealing disc ring is correspondingly formed in the joint of the first clamping piece, the branch part protective sleeve, the second clamping piece and the sealing sleeve.

Furthermore, more than three sealing disc rings are arranged at equal intervals along the axial direction of the sealing sleeve.

Further, the interior of the limiting cavity is filled with a drying agent.

Further, the first clamping piece and the branch part sheath respectively comprise two clamping pieces which are symmetrical and equal in size and can be clamped and fixed mutually.

Furthermore, sealing washers are arranged on the first clamping piece and the second clamping piece and correspond to the outlet side and the inlet side of the cable, and the sealing washers are arranged between the cable and the first clamping piece and between the cable and the second clamping piece in a sealing mode.

Furthermore, a second connecting seat protruding to the outer side of the branch part sheath is fixedly arranged on the second clamping piece.

And furthermore, a first connecting seat protruding to the outer side of the branch part sheath is fixedly arranged on the first clamping piece, and the second clamping piece and the first clamping piece are fixedly connected with the branch part sheath through the second connecting seat and the first connecting seat respectively.

Compared with the prior art, the utility model has the advantages of:

the utility model discloses a removable prefabricated branch cable of components of a whole that can function independently includes first fastener, the combination of branch portion sheath and second fastener, wherein branch portion sheath card cover is in the wiring department of thread cable and branch line cable, guarantee this part and outside insulating nature, first fastener and second fastener are the card cover respectively at the both ends of branch portion sheath, a cable fixing function is used for playing, make the cable draw under pulling the pulling condition thread cable and branch line cable can not break away from, the leakproofness between cable and the external member is guaranteed to the seal cover, whole easy dismouting, convenient maintenance or maintenance.

The foregoing and other aspects, embodiments and features of the present teachings can be more fully understood from the following description taken in conjunction with the accompanying drawings. Additional aspects of the present invention, such as features and/or advantages of exemplary embodiments, will be apparent from the description which follows, or may be learned by practice of the specific embodiments in accordance with the teachings of the present invention.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic diagram of an exemplary embodiment of the present invention.

Fig. 2 is a schematic illustration of an exemplary embodiment of the present invention in cross-section.

Fig. 3 is a schematic diagram of an exemplary embodiment of the split state of the present invention.

Fig. 4 is a schematic diagram of an exemplary embodiment of the present invention from above.

Detailed Description

For a better understanding of the technical content of the present invention, specific embodiments are described below in conjunction with the accompanying drawings.

In this disclosure, aspects of the present invention are described with reference to the accompanying drawings, in which a number of illustrative embodiments are shown. Embodiments of the present disclosure are not necessarily intended to include all aspects of the invention. It should be understood that the various concepts and embodiments described above, as well as those described in greater detail below, may be implemented in any of numerous ways, including as a prefabricated drop cable, as the disclosed concepts and embodiments are not limited to any implementation. Additionally, some aspects of the present disclosure may be used alone or in any suitable combination with other aspects of the present disclosure.

The utility model discloses aim at reinforcing prefabricated branch cable's leakproofness, and make prefabricated branch cable can be in the on-the-spot dismouting with simple and convenient mode to overhaul and maintain prefabricated branch cable. By the realization of this purpose, the utility model provides a prefabricated branch cable, through setting up the removable prefabricated branch cable of components of a whole that can function independently, especially the utility model discloses the first fastener 1 of configuration, the combination of branch portion sheath 2 and second fastener 3, wherein the wiring department of branch portion sheath 2 card cover at thread cable 4 and branch line cable 5, guarantee this part and outside insulating nature, first fastener 1 and second fastener 3 are the card cover respectively at the both ends of branch portion sheath 2, be used for playing the fixed cable effect, make the cable draw under pulling the condition thread cable 4 and branch line cable 5 can not pull the power and break away from, the leakproofness between seal cover 7 assurance cable and the external member, whole easy dismouting, convenient maintenance or maintenance.

With reference to fig. 2 and 3, the present invention provides a detachable prefabricated branch cable, which includes a first engaging member 1, a branch sheath 2, a second engaging member 3, a main cable 4 and a branch cable 5.

The main cable 4 and the branch cable 5 both comprise conductive wire cores and insulating layers coated on the outer sides of the conductive wire cores, the conductive wire cores at the end parts of the branch cable 5 and the conductive wire cores at the exposed parts of the main cable 4 are clamped and fixed through the C-shaped wire clamp 6, and therefore the main cable 4 and the branch cable 5 are conducted.

Specifically, the branch cable 5 is pre-manufactured on the main cable 4 by a factory, and the section size and the length of the branch cable 5 can be determined according to design requirements, so that the safety and the reliability of power distribution are ensured.

As shown in fig. 1 to 4, the branch sheath 2 includes two symmetrical jackets that can be engaged with each other and fit around the main cable 4, the branch cable 5, and the C-type cable clamp 6.

In a preferred embodiment, the branch part sheath 2 may be made of an insulating rubber material, and is formed by injection molding in advance, and a limiting cavity 201 is formed inside the branch part sheath 2, and is used for accommodating and limiting the main cable 4, the branch cable 5 and the C-shaped clamp 6, the limiting cavity 201 is filled with a desiccant 9, and the desiccant 9 may be a water-blocking filling rope mixed with a fiber desiccant or a mineral desiccant, so as to achieve a drying effect inside the branch part sheath 2.

So, when the installation, press the inside of position card at spacing chamber 201 with thread cable 4, branch line cable 5 and C type clamp 6, then to the inside packing drier 9 of spacing chamber 201, then follow the axis both sides of cable with the clamp cover of two symmetries to the direction that is close to each other removes and the block forms branch portion sheath 2, and clamp cover accessible screw is screwed up fixedly, dismouting when making things convenient for later maintenance or maintenance.

Further, the first engaging member 1 and the second engaging member 3 are fixedly engaged with both ends of the branch part sheath 2, respectively, and are used for fixing the main cable 4 and the branch cable 5.

In optional embodiment, first fastener 1 and second fastener 3 all can adopt the aluminum alloy material, have lighter weight and better intensity, and first fastener 1 and branch portion sheath 2 all include two symmetries etc. big, can the fixed holder of mutual block, and two holders are still from the both sides dismouting of cable with branch portion sheath 2 the same split mode.

Specifically, the second engaging member 3 is fixedly provided with a second connecting seat 31 protruding to the outer side of the branch portion sheath 2, the first engaging member 1 is fixedly provided with a first connecting seat 11 protruding to the outer side of the branch portion sheath 2, the second engaging member 3, the first engaging member 1 respectively passes through the second connecting seat 31, the first connecting seat 11 is fixedly connected with the branch portion sheath 2, the branch portion sheath 2 is provided with a clamping groove corresponding to the second connecting seat 31 and the first connecting seat 11, the second connecting seat 31 and the first connecting seat 11 are inserted into the clamping groove and then fixed by screws, so that the first engaging member 1, the branch portion sheath 2 and the second engaging member 3 form an integrated structure, and a protection effect is exerted on a junction.

Thus, after the first engaging member 1 and the second engaging member 3 are installed at the two ends of the branch part sheath 2, the first engaging member 1 and the main cable 4 are clamped and fixed, a larger static friction force is generated in the axial direction of the cable, the second engaging member 3 and the main cable 4 and the branch cable 5 are clamped and fixed, and a larger static friction force is generated in the axial direction of the cable, when the cable is pulled and pulled integrally, the joint of the cable and the first engaging member 1 and the second engaging member 3 is a main stress point, and the joint of the main cable 4 and the branch cable 5 can reduce stress so as to reduce looseness.

As shown in fig. 2 and 3, the sealing sleeve 7 is fitted around the main cable 4 and the branch cable 5, is located at the joint of the first engaging member 1, the branch portion sheath 2, and the second engaging member 3, and is used for sealing the joint.

Furthermore, a convex sealing disc ring 71 is arranged on the periphery of the sealing sleeve 7, and a clamping groove matched with the sealing disc ring 71 is correspondingly formed at the connecting part of the first clamping piece 1, the branch part sheath 2, the second clamping piece 3 and the sealing sleeve 7.

In an alternative embodiment, the sealing sleeve 7 may be made of rubber, and more than three sealing disc rings 71 are arranged at equal intervals along the axial direction of the sealing sleeve 7.

Therefore, when the sealing sleeve 7 is installed, the sealing sleeve is sleeved outside the main cable 4 and the branch cable 5 in advance and slides to the joint of the first clamping piece 1, the branch part sheath 2 and the second clamping piece 3, when the branch part sheath 2, the first clamping piece 1 and the branch part sheath 2 are clamped, the joint can be completely sealed, the inside of the branch part sheath 2 is completely in a sealing state, the protruding sealing disc ring 71 can enhance the water-blocking sealing effect, and the sealing performance is ensured.

Specifically, sealing gaskets 8 are arranged on the first clamping part 1 and the second clamping part 3 corresponding to the outgoing line side and the incoming line side of the cable, and the sealing gaskets 8 are hermetically arranged between the cable and the first clamping part 1 and the second clamping part 3.

In a preferred embodiment, the sealing washer 8 may be made of rubber, when the first engaging member 1 and the second engaging member 3 are installed, the sealing washer 8 is wound around the cable in advance, and a winding radius of the sealing washer 8 is slightly larger than a cable hole reserved on the first engaging member 1 and the second engaging member 3, so that when the first engaging member 1 or the second engaging member 3 is installed, the sealing washer 8 is clamped to increase static friction force and sealing performance between the first engaging member 1 or the second engaging member 3 and the cable.

Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the present invention. The present invention is intended to cover by those skilled in the art various modifications and adaptations of the invention without departing from the spirit and scope of the invention. Therefore, the protection scope of the present invention is subject to the claims.

Claims

1. A prefabricated drop cable, comprising:

the main cable and the branch cable respectively comprise a conductive wire core and an insulating layer coated on the outer side of the conductive wire core, and the conductive wire core at the end part of the branch cable and the conductive wire core at the exposed part of the main cable are clamped and fixed through a C-shaped wire clamp so as to conduct the main cable and the branch cable;

the branch part sheath comprises two symmetrical jackets which can be mutually clamped and sleeved outside the main cable, the branch cable and the C-shaped wire clamp, and a limiting cavity which is used for accommodating and limiting the main cable, the branch cable and the C-shaped wire clamp is arranged inside the branch part sheath;

the first clamping piece and the second clamping piece are fixedly clamped and sleeved at two ends of the branch part sheath respectively and are used for fixing the main cable and the branch cable;

and the sealing sleeve is sleeved on the outer sides of the main cable and the branch cable, is positioned at the joint of the first clamping piece, the branch part sheath and the second clamping piece and is used for sealing the joint.

2. The prefabricated branch cable of claim 1, wherein a convex sealing disc ring is arranged on the periphery of the sealing sleeve, and a clamping groove matched with the sealing disc ring is correspondingly formed at the joint of the first clamping piece, the second clamping piece of the branch part sheath and the sealing sleeve.

3. The prefabricated branch cable of claim 2, wherein the sealing disks are arranged equidistantly in the axial direction of the sealing sleeve in more than three.

4. The prefabricated drop cable of claim 1, wherein an interior of the retention cavity is filled with a desiccant filling layer.

5. The pre-fabricated drop cable of claim 1, wherein the first snap member and the branch jacket each comprise two symmetrically equally large gripping members that snap fit into each other.

6. The prefabricated branch cable of claim 1, wherein sealing gaskets are disposed on the first clamping member and the second clamping member, corresponding to the outgoing side and the incoming side of the cable, and the sealing gaskets are sealingly mountable between the cable and the first clamping member and the second clamping member.

7. The prefabricated branch cable of claim 1, wherein a second connecting seat protruding outside the branch sheath is fixedly provided on the second engaging member.

8. The prefabricated branch cable of claim 7, wherein the first engaging member is fixedly provided with a first connecting seat protruding outside the branch sheath, and the second engaging member and the first engaging member are fixedly connected to the branch sheath through the second connecting seat and the first connecting seat, respectively.