CN211238668U - Branching structure for a multi-core cable - Google Patents
Branching structure for a multi-core cable Download PDFInfo
- Publication number
- CN211238668U CN211238668U CN202020201558.7U CN202020201558U CN211238668U CN 211238668 U CN211238668 U CN 211238668U CN 202020201558 U CN202020201558 U CN 202020201558U CN 211238668 U CN211238668 U CN 211238668U
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- Prior art keywords
- branch
- end portion
- outer periphery
- adhesive layer
- core cable
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- 238000009413 insulation Methods 0.000 claims abstract description 7
- 239000012790 adhesive layer Substances 0.000 claims description 14
- 239000013013 elastic material Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 abstract description 8
- 239000000428 dust Substances 0.000 description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 13
- 230000000694 effects Effects 0.000 description 7
- 238000007789 sealing Methods 0.000 description 2
- 230000008602 contraction Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
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Abstract
The utility model discloses a branch structure for a multicore cable, it includes a first branch spare, a second branch spare and a set of pipe fitting, be formed with a plurality of first perforation on this first branch spare, be formed with one in this first branch spare and set up the chamber, this second branch spare is installed in this setting intracavity with the close-fitting mode, be formed with a plurality of second on this second branch spare and perforate, a plurality of electrically conductive heart yearns of this multicore cable pass corresponding these a plurality of first perforation and corresponding these a plurality of second respectively and perforate, each electrically conductive heart yearn of this multicore cable and corresponding this second perforation close-fitting, this set of pipe fitting includes that the cover locates a first end of an outer peripheral edges of this first branch spare and connects and overlaps a second end of an outer peripheral edges of an insulation skin of locating this multicore cable in this first end and cover.
Description
Technical Field
The present invention relates to an accessory for a multi-core cable, and more particularly, to a branch structure for a multi-core cable.
Background
The multi-core cable comprises a plurality of conductive core wires insulated from each other and an insulating sheath covering the plurality of conductive core wires, and the laying time can be effectively shortened by replacing a single-core cable with the multi-core cable. When the multi-core cable is to be branched and connected, the insulating sheath needs to be removed to expose the conductive core wires, and in order to prevent water or dust from entering the multi-core cable from the branches of the multi-core cable, the most common way at present is to seal the branches of the multi-core cable by using a heat-shrinkable sleeve, however, the method cannot effectively achieve the waterproof and dustproof effects, and thus, there is still room for improvement.
SUMMERY OF THE UTILITY MODEL
Therefore, an object of the present invention is to provide a branch structure for a multicore cable, so as to solve the above problems.
To achieve the above object, the utility model discloses a branch structure for a multi-core cable, it comprises a first branch member, a second branch member and a sleeve member, wherein the first branch member is formed with a plurality of first through holes, the first branch member is formed with a setting cavity therein, the second branch member is installed in the setting cavity in a tight fit manner, a plurality of second through holes corresponding to the plurality of first through holes are formed on the second branch piece, a plurality of conductive core wires of the multi-core cable respectively pass through the corresponding plurality of first through holes and the corresponding plurality of second through holes, each conductive core wire of the multi-core cable is tightly matched with the corresponding second through hole, the sleeve piece comprises a first end part and a second end part connected with the first end part, the first end is sleeved on the outer periphery of the first branch piece, and the second end is sleeved on the outer periphery of an insulating sheath of the multi-core cable, wherein the insulating sheath partially covers the plurality of conductive core wires.
According to the present invention, the second branch member has at least one protrusion structure protruding from an outer periphery thereof, and the second branch member is tightly fitted to the cavity through the interference between the at least one protrusion structure and the cavity wall.
According to the present invention, at least one interference structure is formed on a hole wall of each second through hole, and each second through hole is tightly matched with the corresponding conductive core wire through the interference of the at least one interference structure and the corresponding conductive core wire.
According to one embodiment of the present invention, the first branch member is provided with at least one protrusion structure protruding from the outer periphery thereof, and the first end portion is closely attached to and covers the at least one protrusion structure.
According to the present invention, the branch structure further includes an adhesive layer disposed on an inner periphery of the sleeve member, and the first end and the second end are respectively attached to the outer periphery of the first branch member and the outer periphery of the insulation sheath of the plurality of conductive cores covered by the portion of the multi-core cable through the adhesive layer.
According to one embodiment of the present invention, the sleeve member is a heat shrinkable sleeve or a cold shrinkable sleeve.
According to one embodiment of the present invention, the first branch member is made of plastic material.
According to one embodiment of the present invention, the second branch is made of an elastic material.
In summary, in the present invention, the second branch piece is installed in the installation cavity in a tight-fitting manner, and each conductive core wire of the multi-core cable is tightly fitted with the corresponding second through hole; furthermore, the first end and the second end of the sleeve are respectively sleeved on the outer periphery of the first branch piece and the outer periphery of the insulating sheath of the multi-core cable. Therefore, the utility model discloses can seal the branch department of multicore cable effectively and stop water or dust outside to avoid water or dust to get into the inside of multicore cable via the branch department of multicore cable, thereby reach the waterproof, dirt-proof effect of preferred.
Drawings
Fig. 1 and fig. 2 are schematic external views of a branch structure of a first embodiment of the present invention at different viewing angles.
Fig. 3 is an external view of a multi-core cable according to a first embodiment of the present invention.
Fig. 4 to 6 are exploded views of the first embodiment of the branch structure of the present invention at different viewing angles.
Fig. 7 is a schematic cross-sectional view of a branch structure according to a first embodiment of the present invention.
Fig. 8 is a schematic view of the branch structure of the first embodiment of the present invention in a use state.
Fig. 9 is a schematic cross-sectional view of a branched structure according to a second embodiment of the present invention.
Description of reference numerals: 1, 1' -branched structures; 11, 11' -first branch member; 111-a first perforation; 112-setting the cavity; 1121-chamber walls; 113-a bump structure; 12-a second branch; 121-a second perforation; 1211-pore wall; 1211A-an interference structure; 122-a protruding structure; 13-a sleeve member; 131-a first end portion; 132-a second end; 14-an adhesive layer; 2-a multi-core cable; 21-a conductive core; 22-insulating skin; a-branch; IP 1-inner periphery; OP1, OP2, OP3, OP 1' -outer periphery.
Detailed Description
Directional terms as referred to in the following examples, for example: up, down, left, right, front or rear, etc., are referred to only in the direction of the attached drawings. Accordingly, the directional terminology is used for purposes of illustration and is in no way limiting.
Referring to fig. 1 to 8, fig. 1 and 2 are schematic views of a branch structure 1 at different viewing angles according to a first embodiment of the present invention, fig. 3 is a schematic view of a multi-core cable 2 according to a first embodiment of the present invention, fig. 4 to 6 are schematic views of an explosion of a component at different viewing angles according to a branch structure 1 according to a first embodiment of the present invention, fig. 7 is a schematic view of a section of a branch structure 1 according to a first embodiment of the present invention, and fig. 8 is a schematic view of a branch structure 1 according to a first embodiment of the present invention in a use state. As shown in fig. 1 to 8, the multi-core cable 2 includes five conductive cores 21 insulated from each other and an insulating sheath 22 partially covering the five conductive cores 21, wherein portions of the five conductive cores 21 are exposed out of the insulating sheath 22 at a branch a for tapping off the five conductive cores 21, and the branch structure 1 is used for sealing the branch a of the multi-core cable 2. The branch structure 1 includes a first branch 11, a second branch 12 and a sleeve 13, the first branch 11 is formed with five first through holes 111, the first branch 11 is formed with a setting cavity 112, the second branch 12 is installed in the setting cavity 112 in a tight fit manner, the second branch 12 is formed with five second through holes 121 corresponding to the five first through holes 111, five conductive cores 21 of the multi-core cable 2 respectively pass through the corresponding five first through holes 111 and the corresponding five second through holes 121, and each conductive core 21 of the multi-core cable 2 is tightly fitted with the corresponding second through hole 121; the sleeve member 13 includes a first end portion 131 and a second end portion 132 connected to the first end portion 131, the first end portion 131 is disposed on an outer periphery OP1 of the first branch member 11, and the second end portion 132 is disposed on an outer periphery OP2 of the insulation sheath 22 of the multi-core cable 2.
Specifically, to realize the tight fit between the second branch member 12 and the setting cavity 112, three protrusion structures 122 are formed on an outer peripheral edge OP3 of the second branch member 12 in a protruding manner, and the second branch member 12 is tightly fitted with the setting cavity 112 by interference of the three protrusion structures 122 and a cavity wall 1121 of the setting cavity 112, so as to prevent water or dust from entering the inside of the multicore cable 2 through the setting cavity 112, and therefore, the water or dust can be blocked outside the branch point a.
Furthermore, in order to realize the tight fit between each second through hole 121 and the corresponding conductive core wire 21, three interference structures 1211A are formed on an aperture wall 1211 of each second through hole 121 in a protruding manner, and each second through hole 121 is tightly fitted with the corresponding conductive core wire 21 through the interference between the three interference structures 1211A and the corresponding conductive core wire 21, so as to prevent water or dust from entering the inside of the multi-core cable 2 through the second through hole 121, so that the water or dust can be blocked outside the branch point a.
In addition, a raised structure 113 is formed on the outer periphery OP1 of the first branch member 11, and the first end 131 of the sleeve member 13 is closely covered on the raised structure 113, so as to effectively prevent water or dust from entering a central portion of the sleeve member 13 located at the first end 131 and the second end 132.
Preferably, in this embodiment, the sleeve member 13 may be a heat shrink sleeve; the first branch 11 may be made of plastic material; the second branch member 12 may be made of an elastic material, but the present invention is not limited thereto.
Furthermore, the branch structure of the present invention is not limited to the above-mentioned embodiment, and depends on the actual design requirement. For example, in another embodiment, the number of interference structures may be only one; the number of protruding structures may be only one; the number of ridge structures may be two; or may be selectively provided with an interference structure, a protrusion structure and a bump structure. Alternatively, in another embodiment, the outer diameter of the second branch member may be designed to be larger than the inner diameter of the setting cavity to achieve the effect of tight fit, or/and the outer diameter of each conductive core wire may be designed to be larger than the inner diameter of the corresponding second through hole to achieve the effect of tight fit, so that the interference structure, the protrusion structure and the bump structure may be omitted.
As shown in fig. 8, when the branch structure 1 of the present invention is used to branch the multi-core cable 2, the second branch member 12 is tightly fitted with the setting cavity 112 through the three protrusion structures 122, and each second through hole 121 of the multi-core cable 2 is tightly fitted with the corresponding conductive core wire 21 through the three interference structures 1211A; furthermore, the sleeve member 13 is tightly attached to the first end portion 131 and the second end portion 132 when the first end portion 131 and the second end portion 132 are respectively sleeved on the outer peripheral edge OP1 of the first branch member 11 and the outer peripheral edge OP2 of the insulation sheath 22 of the multi-core cable 2 through the thermal contraction characteristic thereof, so that the utility model discloses the branch of the multi-core cable 2 can be effectively sealed and water or dust is blocked outside, so as to prevent the water or dust from entering the inside of the multi-core cable 2 from the branch of the multi-core cable 2, thereby achieving the better waterproof and dustproof effects
Referring to fig. 9, fig. 9 is a schematic cross-sectional view of a branch structure 1' according to a second embodiment of the present invention. As shown in fig. 9, the branch structure 1 'of the present embodiment includes a first branch element 11', a second branch element 12, a sleeve element 13 and an adhesive layer 14. The structure and function of the second branch element 12 and the sleeve element 13 in this embodiment are the same as those in the first embodiment, and are not described herein again for brevity. The first branch element 11 'of the present embodiment does not include the bump structure of the first embodiment, and the adhesive layer 14 is disposed on an inner peripheral edge IP1 of the sleeve element 13, so that the first end portion 131 and the second end portion 132 can be respectively attached to an outer peripheral edge OP 1' of the first branch element 11 'and an outer peripheral edge of the insulation sheath of the multi-core cable through the adhesive layer 14, so as to prevent a gap allowing water or dust to enter from being formed between the sleeve element 13 and the insulation sheath or between the sleeve element 13 and the first branch element 11' by an external force, thereby achieving a better sealing effect.
Compared with the prior art, in the utility model, the second branch piece is arranged in the setting cavity in a close fit manner, and each conductive core wire of the multi-core cable is in close fit with the corresponding second through hole; furthermore, the first end and the second end of the sleeve are respectively sleeved on the outer periphery of the first branch piece and the outer periphery of the insulating sheath of the multi-core cable. Therefore, the utility model discloses can seal the branch department of multicore cable effectively and stop water or dust outside to avoid water or dust to get into the inside of multicore cable via the branch department of multicore cable, thereby reach the waterproof, dirt-proof effect of preferred.
Claims (12)
1. A branching structure for a multi-core cable, comprising:
the first branch piece is provided with a plurality of first through holes, and a setting cavity is formed in the first branch piece;
the second branch piece is arranged in the arrangement cavity in a tight fit mode, a plurality of second through holes corresponding to the plurality of first through holes are formed in the second branch piece, a plurality of conductive core wires of the multi-core cable respectively penetrate through the corresponding plurality of first through holes and the corresponding plurality of second through holes, and the conductive core wires of the multi-core cable are tightly matched with the corresponding second through holes; and
and a sleeve member including a first end portion and a second end portion connected to the first end portion, the first end portion being sleeved on an outer periphery of the first branch member, and the second end portion being sleeved on an outer periphery of an insulating sheath covering the plurality of conductive core wires.
2. A branch structure according to claim 1, wherein the second branch member has at least one protrusion protruding from an outer periphery thereof, and the second branch member is tightly fitted to the installation cavity by interference of the at least one protrusion with a wall of the installation cavity.
3. The branch structure according to claim 1 or 2, wherein at least one interference structure is formed on a hole wall of each second through hole in a protruding manner, and each second through hole is tightly matched with the corresponding conductive core wire through interference of the at least one interference structure and the corresponding conductive core wire.
4. A branch structure according to claim 3, wherein the first branch member has at least one ridge protruding from the outer periphery thereof, and the first end portion is closely attached to and covers the at least one ridge.
5. The branch structure of claim 4, further comprising an adhesive layer disposed on an inner periphery of the sleeve member, wherein the first end portion and the second end portion are respectively attached to the outer periphery of the first branch member and the outer periphery of the insulating sheath covering the plurality of conductive cores through the adhesive layer.
6. The branch structure of claim 3, further comprising an adhesive layer disposed on an inner periphery of the sleeve member, wherein the first end portion and the second end portion are respectively attached to the outer periphery of the first branch member and the outer periphery of the insulating sheath covering the plurality of conductive cores via the adhesive layer.
7. A branch structure according to claim 1 or 2, wherein the first branch member has at least one raised structure formed on the outer periphery thereof, and the first end portion is closely attached to and covers the at least one raised structure.
8. The branch structure of claim 7, further comprising an adhesive layer disposed on an inner periphery of the sleeve member, wherein the first end portion and the second end portion are respectively attached to the outer periphery of the first branch member and the outer periphery of the insulating sheath covering the plurality of conductive cores via the adhesive layer.
9. The branch structure of claim 1 or 2, further comprising an adhesive layer disposed on an inner periphery of the sleeve member, wherein the first end portion and the second end portion are respectively attached to the outer periphery of the first branch member and the outer periphery of the insulation sheath covering the plurality of conductive cores by the portion of the multi-core cable through the adhesive layer.
10. A branch structure according to claim 1, wherein the sleeve member is a heat shrink sleeve or a cold shrink sleeve.
11. The branch structure of claim 1 wherein the first branch member is made of a plastic material.
12. The branch structure of claim 1, wherein the second branch member is made of an elastic material.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020201558.7U CN211238668U (en) | 2020-02-24 | 2020-02-24 | Branching structure for a multi-core cable |
| TW109205109U TWM599468U (en) | 2020-02-24 | 2020-04-29 | Branch structure adapted for a multicore cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020201558.7U CN211238668U (en) | 2020-02-24 | 2020-02-24 | Branching structure for a multi-core cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211238668U true CN211238668U (en) | 2020-08-11 |
Family
ID=71920243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020201558.7U Active CN211238668U (en) | 2020-02-24 | 2020-02-24 | Branching structure for a multi-core cable |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN211238668U (en) |
| TW (1) | TWM599468U (en) |
-
2020
- 2020-02-24 CN CN202020201558.7U patent/CN211238668U/en active Active
- 2020-04-29 TW TW109205109U patent/TWM599468U/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| TWM599468U (en) | 2020-08-01 |
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