TWM599468U - Branch structure adapted for a multicore cable - Google Patents

Abstract

A branch structure adapted for a multicore cable includes a first branch component, a second branch component and a sleeve component. A plurality of first through holes are formed on the first branch component. A disposing chamber is formed inside the first branch component. The second branch component is installed inside the disposing chamber in a tight-fit manner. A plurality of second through holes are formed on the second branch component. A plurality of cores of the multicore cable respectively pass through the corresponding first through holes and the corresponding second through holes and respectively tightly engage with the corresponding second through holes. The sleeve component includes a first end portion sleeved on an outer periphery of the first branch component and a second end portion connected to the first end portion and sleeved on an outer periphery of an outer insulating sheath of the multicore cable.

Description

Branch structure for multi-core cables

This creation is about an accessory for a multi-core cable, especially a branch structure for a multi-core cable.

A multi-core cable includes a plurality of conductive core wires insulated from each other and an insulating sheath covering the plurality of conductive core wires. Using a multi-core cable instead of a single-core cable can effectively shorten the laying time. When you want to branch and connect a multi-core cable, you need to remove the insulation to expose the multiple conductive core wires. In order to prevent water or dust from entering the inside of the multi-core cable from the branch of the multi-core cable, it is most common at present The method is to use heat shrinkable tubing to seal the branch of the multi-core cable. However, this method cannot effectively achieve the effects of waterproof and dustproof, so there is still room for improvement.

Therefore, the purpose of this creation is to provide a branch structure for a multi-core cable to solve the above problems.

In order to achieve the above-mentioned purpose, this creation discloses a branch structure for a multi-core cable, which includes a first branch piece, a second branch piece and a set of pipe pieces, and a plurality of first branch pieces are formed on the first branch piece. Perforation, a setting cavity is formed in the first branch member, the second branch member is installed in the setting cavity in a tight-fitting manner, and a plurality of corresponding to the plurality of first perforations are formed on the second branch member The second perforation, the plurality of conductive core wires of the multi-core cable respectively pass through the corresponding plurality of first perforations and the corresponding plurality of second perforations, each conductive core wire of the multi-core cable and the corresponding first Two perforations are tightly fitted. The sleeve member includes a first end and a second end connected to the first end. The first end is sleeved on an outer periphery of the first branch member, and the second The end part is sheathed on the part of the multi-core cable to cover an outer periphery of an insulating sheath of the plurality of conductive core wires.

According to one embodiment of the present invention, at least one protruding structure is protrudingly formed on an outer periphery of the second branch member, and the second branch member interacts with a cavity wall of the setting cavity by the interference of the at least one protruding structure with The setting cavity fits tightly.

According to one of the embodiments of the present creation, at least one interference structure is protrudingly formed on one of the walls of each second perforation, and each second perforation corresponds to the corresponding conductive core wire by interference between the at least one interference structure and the corresponding conductive core wire. The conductive core wire is tightly fitted.

According to one embodiment of the present invention, at least one protruding structure is protrudingly formed on the outer periphery of the first branch member, and the first end portion closely covers the at least one protruding structure.

According to one embodiment of 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 adhesive layer by the adhesive layer. The outer periphery of the first branch piece and a part of the multi-core cable cover the outer periphery of the insulating sheath of the plurality of conductive core wires.

According to one of the embodiments 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 member is made of elastic material.

To sum up, in this creation, the second branch piece is installed in the setting cavity in a tight-fitting manner, and each conductive core wire of the multi-core cable is tightly fitted with the corresponding second perforation; furthermore, the first part of the sleeve piece One end and the second end are respectively sleeved on the outer periphery of the first branch member and the outer periphery of the insulating sheath of the multi-core cable. This creation can effectively seal the branch of the multi-core cable and block water or dust from the outside, so as to prevent water or dust from entering the inside of the multi-core cable through the branch of the multi-core cable, so as to achieve better waterproof and dustproof Effect.

The directional terms mentioned in the following embodiments, for example: up, down, left, right, front or back, etc., are only directions for referring to the attached drawings. Therefore, the directional terms used are used to illustrate and not to limit this creation.

Please refer to Figures 1 to 8. Figures 1 and 2 are schematic diagrams of the appearance of the branch structure 1 of the first embodiment of the creation from different perspectives, and Figure 3 is the first embodiment of the creation of the multi-core cable 2 Fig. 4 to Fig. 6 are exploded views of the components of the branch structure 1 of the first embodiment of creation from different perspectives. Fig. 7 is a schematic cross-sectional view of the branch structure 1 of the first embodiment of creation. Fig. 8 is A schematic diagram of the branch structure 1 in the first embodiment of the present creation in use. As shown in Figures 1 to 8, the multi-core cable 2 includes five conductive core wires 21 insulated from each other and an insulating sheath 22 that partially covers one of the five conductive core wires 21. The branch A is exposed on the insulating sheath 22 to facilitate the tapping of five conductive core wires 21. The branch structure 1 is used to seal the branch A of the multi-core cable 2. The branch structure 1 includes a first branch piece 11, a second branch piece 12, and a set of pipe pieces 13. The first branch piece 11 is formed with five first through holes 111, and the first branch piece 11 is formed with a setting cavity 112, The second branch member 12 is installed in the setting cavity 112 in a tight-fitting manner. The second branch member 12 is formed with five second through holes 121 corresponding to the five first through holes 111. The five conductive holes of the multi-core cable 2 are The core wires 21 respectively pass through the corresponding five first through holes 111 and the corresponding five second through holes 121. Each conductive core wire 21 of the multi-core cable 2 is tightly fitted with the corresponding second through hole 121; the sleeve member 13 includes a A first end 131 and a second end 132 connected to the first end 131. The first end 131 is sleeved on an outer peripheral edge OP1 of the first branch 11, and the second end 132 is sleeved on the multi-core One outer peripheral edge OP2 of the insulation 22 of the cable 2.

Specifically, in order to achieve a tight fit between the second branch member 12 and the setting cavity 112, three protruding structures 122 are protrudingly formed on one of the outer peripheral edges OP3 of the second branch member 12, and the second branch member 12 is connected to The interference of a cavity wall 1121 of the setting cavity 112 tightly fits with the setting cavity 112 to prevent water or dust from entering the inside of the multi-core cable 2 through the setting cavity 112, so that water or dust can be blocked from the branch A.

Furthermore, in order to achieve a tight fit between each second through hole 121 and the corresponding conductive core wire 21, three interference structures 1211A are protrudingly formed on one of the hole walls 1211 of each second through hole 121, and each second through hole 121 interferes with three The structure 1211A interferes with the corresponding conductive core wire 21 and tightly fits the corresponding conductive core wire 21 to prevent water or dust from entering the inside of the multi-core cable 2 through the second perforation 121, so water or dust can be blocked at the branch Beyond A.

In addition, a protruding structure 113 is formed protruding from the outer periphery OP1 of the first branch member 11, and the first end 131 of the sleeve member 13 closely covers the protruding structure 113, so as to effectively prevent water or dust from entering the second end of the sleeve member 13 A central part of one end 131 and the second end 132.

Preferably, in this embodiment, the sleeve member 13 can be a heat-shrinkable sleeve; the first branch member 11 can be made of plastic material; the second branch member 12 can be made of elastic material, but the present invention Not limited to this.

In addition, the present authoring branch structure is not limited to the above-mentioned embodiment, and its end depends on actual design requirements. For example, in another embodiment, the number of interference structures can be only one; the number of protruding structures can be only one; the number of protruding structures can be two; or interference structures, protruding structures, and Uplift structure. Or, in another embodiment, the outer diameter of the second branch member can be designed to be larger than the inner diameter of the cavity to achieve a tight fit effect, or/and the outer diameter of each conductive core wire can be designed to be larger than the corresponding first The inner diameter of the two perforations can achieve the effect of tight fit, so the interference structure, the protruding structure and the raised structure can be omitted.

As shown in Figure 8, when the creative branch structure 1 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 protruding structures 122, and the multi-core cable 2 Each second through hole 121 tightly fits the corresponding conductive core wire 21 by three interference structures 1211A; furthermore, the sleeve member 13 shrinks the first end portion 131 and the second end portion 132 due to the heat shrinking characteristic. When it is sleeved on the outer periphery OP1 of the first branch 11 and the outer periphery OP2 of the insulating sheath 22 of the multi-core cable 2, it is tightly attached to it, so that the present invention can effectively seal the branch of the multi-core cable 2 Water or dust is blocked to prevent water or dust from entering the inside of the multi-core cable 2 from the branch of the multi-core cable 2, so as to achieve better waterproof and dust-proof effects

Please refer to Figure 9 again, which is a schematic cross-sectional view of a branch structure 1'according to the second embodiment of the creation. As shown in FIG. 9, the branch structure 1'of this embodiment includes a first branch member 11', a second branch member 12, a sleeve member 13, and an adhesive layer 14. The structure and function of the second branch member 12 and the sleeve member 13 of this embodiment are the same as those of the first embodiment. For the sake of brevity, they will not be repeated here. The first branch member 11' of this embodiment does not include the raised structure of the first embodiment, and the adhesive layer 14 is disposed on an inner peripheral edge IP1 of the sleeve member 13, so that the first end 131 and the second end 132 can be borrowed The adhesive layer 14 is attached to one of the outer periphery OP1' of the first branch 11' and the outer periphery of the insulating sheath of the multi-core cable, respectively, so as to avoid the bushing part 13 and the insulating sheath or between the bushing part 13 and the first branch part 11' is subjected to external force to form a gap that allows water or dust to enter, thereby achieving a better sealing effect.

Compared with the prior art, in this creation, the second branch member is installed in the setting 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; The first end and the second end are respectively sleeved on the outer periphery of the first branch member and the outer periphery of the insulating sheath of the multi-core cable. This creation can effectively seal the branch of the multi-core cable and block water or dust from the outside, so as to prevent water or dust from entering the inside of the multi-core cable through the branch of the multi-core cable, so as to achieve better waterproof and dustproof Effect.

1,1’: Branch structure 11,11’: The first branch 111: first perforation 112: set cavity 1121: cavity wall 113: Uplift structure 12: The second branch 121: second piercing 1211: hole wall 1211A: Interference structure 122: protruding structure 13: casing parts 131: first end 132: second end 14: Adhesive layer 2: Multi-core cable 21: Conductive core wire 22: Insulation skin A: Branch IP1: inner periphery OP1, OP2, OP3, OP1’: outer periphery

Figures 1 and 2 are schematic diagrams of the appearance of the branch structure of the first embodiment of the creation in different viewing angles. Figure 3 is a schematic diagram of the appearance of the multi-core cable according to the first embodiment of the creation. Figures 4 to 6 are exploded views of the components of the branching structure of the first embodiment created in different viewing angles. Figure 7 is a schematic cross-sectional view of the branch structure of the first embodiment of the creation. Figure 8 is a schematic diagram of the branch structure in use of the first embodiment of the creation. Figure 9 is a schematic cross-sectional view of the branch structure of the second embodiment of the creation.

1: Branch structure

11: The first branch

111: first perforation

112: set cavity

1121: cavity wall

113: Uplift structure

12: The second branch

121: second piercing

1211: hole wall

1211A: Interference structure

122: protruding structure

13: casing parts

131: first end

132: second end

2: Multi-core cable

21: Conductive core wire

22: Insulation skin

OP1, OP2, OP3: outer periphery

Claims (12)

A branch structure for a multi-core cable, which includes: A first branch member with a plurality of first perforations formed thereon, and a setting cavity is formed in the first branch member; A second branch member is installed in the installation cavity in a tight-fitting manner, and a plurality of second holes corresponding to the plurality of first holes are formed on the second branch member, and a plurality of the multi-core cables The conductive core wires respectively pass through the corresponding plurality of first through holes and the corresponding plurality of second through holes, and each conductive core wire of the multi-core cable tightly fits with the corresponding second through holes; and A sleeve member including a first end and a second end connected to the first end, the first end is sleeved on an outer periphery of the first branch member, and the second end is sleeved The part arranged in the multi-core cable covers an outer periphery of an insulating sheath of the plurality of conductive core wires. The branch structure according to claim 1, wherein at least one protruding structure is protrudingly formed on an outer periphery of the second branch member, and the second branch member is formed by connecting the at least one protruding structure and a cavity wall of the setting cavity Interference and tightly fit the setting cavity. The branch structure according to claim 1 or 2, wherein at least one interference structure is protrudingly formed on one of the wall of each second perforation, and each second perforation interferes with the corresponding conductive core wire by the at least one interference structure And it is tightly fitted with the corresponding conductive core wire. The branch structure according to claim 3, wherein at least one protruding structure is protrudingly formed on the outer periphery of the first branch member, and the first end portion closely covers the at least one protruding structure. The branch structure according to claim 4, which 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 adhesive layer by the adhesive layer The outer periphery of the first branch piece and a part of the multi-core cable cover the outer periphery of the insulating sheath of the plurality of conductive core wires. The branch structure according to claim 3, which 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 adhesive layer by the adhesive layer The outer periphery of the first branch piece and a part of the multi-core cable cover the outer periphery of the insulating sheath of the plurality of conductive core wires. The branch structure according to claim 1 or 2, wherein at least one protruding structure is protrudingly formed on the outer peripheral edge of the first branch member, and the first end portion closely covers the at least one protruding structure. The branch structure according to claim 7, which 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 adhesive layer by the adhesive layer The outer periphery of the first branch piece and a part of the multi-core cable cover the outer periphery of the insulating sheath of the plurality of conductive core wires. The branch structure according to claim 1 or 2, further comprising an adhesive layer disposed on an inner periphery of the sleeve member, and the first end and the second end are respectively attached by the adhesive layer The outer periphery of the first branch part and the part of the multi-core cable are covered with the outer periphery of the insulating sheath of the plurality of conductive core wires. The branch structure according to claim 1, wherein the sleeve member is a heat shrinkable sleeve or a cold shrinkable sleeve. The branch structure according to claim 1, wherein the first branch member is made of plastic material. The branch structure according to claim 1, wherein the second branch member is made of elastic material.

Images