阅读说明：本技术 一种电缆分接装置 (Cable tapping device ) 是由 江伟方 胡明腾 孙银盛 张碎央 梅海青 于 2020-12-03 设计创作，主要内容包括：本发明涉及一种电缆分接装置,包括绝缘壳体、设置在绝缘壳体内电缆分接机构,电缆分接机构包括支架、隔板组件、四组分别设置在支架上的齿块组件,所述的支架上设置有可供四芯电缆穿过的夹持腔,所述的隔板组件设置在夹持腔内,且隔板组件可将夹持腔分隔成四个分支夹持腔,所述的四组齿块组件包括对应分支夹持腔处设置在支架上的齿块座、转动设置在滑块座上的螺栓、活动设置在齿块座内且与螺栓联动配合的齿块、设置在齿块的一侧上的分支接线端子,所述的齿块上设置有用于刺破四芯电缆的穿刺齿,所述的穿刺齿随螺栓动作且可延伸在分支夹持腔内。本发明具有结构简单、性能稳定可靠、安装便捷、连接可靠的优点。(The invention relates to a cable tapping device, which comprises an insulating shell and a cable tapping mechanism arranged in the insulating shell, wherein the cable tapping mechanism comprises a support, a partition plate assembly and four groups of tooth block assemblies respectively arranged on the support, a clamping cavity for four-core cables to pass through is formed in the support, the partition plate assembly is arranged in the clamping cavity, the partition plate assembly can divide the clamping cavity into four branch clamping cavities, the four groups of tooth block assemblies comprise tooth block seats arranged on the support corresponding to the branch clamping cavities, bolts rotatably arranged on sliding block seats, tooth blocks movably arranged in the tooth block seats and in linkage fit with the bolts, and branch wiring terminals arranged on one sides of the tooth blocks, puncturing teeth for puncturing the four-core cables are arranged on the tooth blocks, and the puncturing teeth move along with the bolts and can extend into the branch clamping cavities. The invention has the advantages of simple structure, stable and reliable performance, convenient installation and reliable connection.)

1. The utility model provides a cable tapping device, includes insulating casing, sets up cable tapping mechanism in insulating casing, its characterized in that: the cable tapping mechanism comprises a support, a partition plate assembly and four groups of tooth block assemblies, wherein the tooth block assemblies are respectively arranged on the support, a clamping cavity for four-core cables to pass through is formed in the support, the partition plate assembly is arranged in the clamping cavity, the partition plate assembly can divide the clamping cavity into four branch clamping cavities, the four groups of tooth block assemblies comprise tooth block seats, bolts and branch wiring terminals, the tooth block seats are arranged on the support corresponding to the branch clamping cavities, the bolts are rotatably arranged on the sliding block seats, the tooth blocks are movably arranged in the tooth block seats and matched with the bolts in a linkage mode, the branch wiring terminals are arranged on one side of each tooth block, the tooth blocks are provided with puncture teeth for puncturing the four-core cables, and the puncture teeth move along with the bolts and can extend into the branch clamping cavities.

2. The cable breakout device of claim 1, wherein: the branch binding post include the wire frame, rotate the screw that sets up on the wire frame, the wire frame suit on the clamp plate of tooth piece, the afterbody of screw pass the wire frame and contradict on the clamp plate, the lower terminal surface of clamp plate on be provided with the arc wall, and be formed with branch centre gripping chamber between arc wall and the wire frame, and branch centre gripping intracavity is provided with branch switching subassembly.

3. The cable breakout device of claim 2, wherein: the branch switching assembly comprises a switching piece, an insulating sleeve wrapped outside the switching piece and a wiring screw rotatably arranged at one end of the switching piece, wherein a wiring hole connected with a branch cable is formed in a position, corresponding to the wiring screw, of one end of the switching piece, the diameter of the wiring hole is larger than that of the branch clamping cavity, and the other end of the switching piece is connected in the branch clamping cavity.

4. The cable breakout device of claim 3, wherein: the wiring hole in the activity be provided with the holder, wiring screw's afterbody extend in the wiring hole and contradict on the holder, be provided with arc wire pressing groove on the lower terminal surface of holder, and be formed with branch's wiring chamber between arc wire pressing groove and the wiring hole.

5. The cable breakout device of claim 1 or 2, wherein: the two sides of the tooth block seat are respectively provided with a clamp, the support is provided with a clamping groove matched with the clamp, and the clamp is clamped in the clamping groove and forms clamping matching of the tooth block seat and the support.

6. The cable breakout device of claim 1, wherein: the support constitute by two backup pads looks concatenations, and be formed with between two backup pads the centre gripping chamber, and the shape in centre gripping chamber is the square.

7. The cable breakout device of claim 1, 2 or 6, wherein: the baffle subassembly include along the long baffle of one of them diagonal setting in centre gripping chamber, two short baffles that set up along another diagonal in centre gripping chamber, the middle part of long baffle on be provided with the card hole, one of two short baffles serve and be provided with respectively with card hole matched with joint piece, joint piece block in the card hole, and constitute the joint cooperation of two short baffles and long baffle.

8. The cable breakout device of claim 7, wherein: and a plurality of anti-slip convex strips matched with the four-core cable are respectively arranged on two sides of the long partition plate and the short partition plate.

Technical Field

The invention relates to the technical field of electric power fittings, in particular to a cable tapping device.

Background

At present, a mains cable usually has a plurality of main cores, such as four main cores. In various buildings and public places today, it is often necessary to tap power supply lines from the mains cable to power various devices, usually by using a cable tap box. However, the price of the cable distribution box is high, and the use cost of a user is greatly increased. Therefore, cable tapping devices are available on the market, and cable branch boxes are replaced by the cable tapping devices, so that in some application scenes such as high buildings, subways and roads, tunnel lighting and the like, the application environment can be exposed to some sudden situations, such as high temperature, fire, water immersion and the like. It is desirable to provide a cable breakout device that is capable of providing power stably in such situations. However, the existing cable tapping device has the defects of complex structure, complex installation and unreliable connection.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provides a cable tapping device which is simple in structure, stable and reliable in performance, convenient and fast to install and reliable in connection.

In order to achieve the above object, the present invention provides a cable tapping device, which comprises an insulating housing, a cable tapping mechanism disposed in the insulating housing, the cable tapping mechanism comprises a bracket, a clapboard component and four groups of tooth block components which are respectively arranged on the bracket, the bracket is provided with a clamping cavity for the four-core cable to pass through, the clapboard component is arranged in the clamping cavity, the four groups of tooth block assemblies comprise tooth block seats arranged on the bracket corresponding to the branch clamping cavities, bolts rotatably arranged on the slide block seats, tooth blocks movably arranged in the tooth block seats and in linkage fit with the bolts, and branch wiring terminals arranged on one sides of the tooth blocks, the tooth block is provided with a piercing tooth for piercing the four-core cable, and the piercing tooth acts along with the bolt and can extend into the branch clamping cavity.

The beneficial effect of above-mentioned structure is: the cable tapping device can clamp four main wire cores of a four-core cable in four branch clamping cavities, the support is provided with four tooth block assemblies matched with the four main wire cores respectively, and the tooth blocks can be punctured from the centers of the four main wire cores, so that the contact reliability of the tooth blocks and the four main wire cores can be improved, and the contact resistance between the four main wire cores and the four tooth blocks is more uniform; and adopt puncture formula shunting structural design, the cost is lower, and the installation is more convenient, and branch cable can be connected with branch binding post, and the installation is more convenient. Therefore, the cable tapping device has the advantages of simple structure, stable and reliable performance, convenient installation and reliable connection.

Particularly, branch binding post include the wire frame, rotate the screw of setting on the wire frame, the wire frame suit on the clamp plate of tooth piece, the afterbody of screw pass the wire frame and contradict on the clamp plate, the lower terminal surface of clamp plate on be provided with the arc wall, and be formed with branch centre gripping chamber between arc wall and the wire frame, and branch centre gripping intracavity is provided with branch switching subassembly. Be provided with branch binding post on one side of tooth piece to be convenient for branch cable and branch binding post's being connected, the wiring is more convenient, and branch switching subassembly can play the switching effect, thereby this cable tapping device can the multiple branch cable of different specification external diameters of adaptation, and application scope is wider.

Particularly, the branch switching assembly comprises a switching piece, an insulating sleeve wrapped outside the switching piece and a wiring screw rotatably arranged at one end of the switching piece, wherein a wiring hole connected with a branch cable is formed in a position, corresponding to the wiring screw, of one end of the switching piece, the diameter of the wiring hole is larger than that of the branch clamping cavity, and the other end of the switching piece is connected in the branch clamping cavity. The adapter can play the effect of switching, and the adapter can be connected with the branch cable of multiple different specification external diameters to this cable tapping device's application scope is wider.

Particularly, the wiring hole in the activity be provided with the holder, binding screw's afterbody extend in the wiring hole and contradict on the holder, be provided with arc wire pressing groove on the lower terminal surface of holder, and be formed with branch's wiring chamber between arc wire pressing groove and the wiring hole. Be provided with arc wire pressing groove on the holder, can avoid the binding screw to damage branch cable because of contacting branch cable, and the holder can compress tightly branch cable in the wiring hole, can guarantee that the wiring is more firm.

Particularly, the two sides of the tooth block seat are respectively provided with a clamp, the support is provided with a clamping groove matched with the clamp, and the clamp is clamped in the clamping groove and forms clamping matching of the tooth block seat and the support. The gear block seat and the support are assembled in a clamping matching mode, so that the gear block seat and the support are assembled conveniently, and the assembly efficiency of the cable tapping device is improved.

Particularly, the support is formed by splicing two supporting plates, the clamping cavity is formed between the two supporting plates, and the clamping cavity is square. The support is spliced through two supporting plates, so that the structural design is simpler, the production cost is lower, and the assembly is more convenient.

Particularly, the baffle subassembly include along the long baffle of one of them diagonal setting of centre gripping chamber, two short baffles that set up along another diagonal of centre gripping chamber, the middle part of long baffle on be provided with the card hole, one of two short baffles serve and be provided with respectively with card hole matched with joint piece, joint piece block in the card hole, and constitute the joint cooperation of two short baffles and long baffle. Four main wire cores of the four-core cable are separated by the long partition plate and the two short partition plates, so that each main wire core can be ensured to be in reliable contact with the tooth block assembly, and the connection reliability of the cable tapping device is improved.

Particularly, a plurality of anti-skid convex strips matched with the four-core cable are respectively arranged on two sides of the long partition plate and the short partition plate. The anti-skid convex strips can play a role in increasing friction force, so that the clamping force of the cable tapping device on the four-core cable is favorably improved, and the connection reliability of the cable tapping device is favorably improved.

Drawings

FIG. 1 is a cross-sectional view of an embodiment of the present invention.

Fig. 2 is a perspective view of the internal structure of the embodiment of the present invention.

Fig. 3 is a sectional view of the internal structure of the embodiment of the present invention.

Fig. 4 is a perspective view of a tooth block assembly in accordance with an embodiment of the present invention.

Fig. 5 is an assembly view of a tooth block and a branch terminal according to an embodiment of the present invention.

Detailed Description

As shown in fig. 1 to 5, an embodiment of the present invention is a cable tapping device, including an insulating housing 10, a cable tapping mechanism 20 disposed in the insulating housing 10, where the cable tapping mechanism 20 includes a support 21, a partition assembly 22, and four sets of tooth block assemblies 23 disposed on the support 21 in a rectangular array, the support is provided with a clamping cavity 200 for a four-core cable 30 to pass through, the partition assembly 22 is disposed in the clamping cavity 200, and the partition assembly 22 can divide the clamping cavity 200 into four branch clamping cavities 201, the four sets of tooth block assemblies 23 include a tooth block seat 231 disposed on the support 21 corresponding to the branch clamping cavities 201, a bolt 232 rotatably disposed on the slide block seat 231, a tooth block 233 movably disposed in the tooth block seat 231 and cooperating with the bolt 232, and a branch connection terminal 24 disposed on one side of the tooth block 233, the tooth block 233 is provided with a piercing tooth 234 for piercing the four-core cable 30, the piercing teeth 234 act with the bolts 232 and can extend within the branch gripping chamber 201. The branch wiring terminal 24 include the wire frame 241, rotate the screw 242 that sets up on the wire frame 241, the wire frame 241 suit on the clamp plate 235 of tooth piece 233, the afterbody of screw 242 pass the wire frame 241 and contradict on the clamp plate 235, the lower terminal surface of clamp plate 235 on be provided with arc wall 236, and be formed with branch centre gripping chamber 240 between arc wall 236 and the wire frame 241, and be provided with branch switching subassembly 25 in the branch centre gripping chamber 240. Be provided with branch binding post on one side of tooth piece to be convenient for branch cable and branch binding post's being connected, the wiring is more convenient, and branch switching subassembly can play the switching effect, thereby this cable tapping device can the multiple branch cable of different specification external diameters of adaptation, and application scope is wider. The branch adapter assembly 25 comprises an adapter 251, an insulating sleeve 252 wrapped outside the adapter 25, and a wiring screw 253 rotatably arranged at one end of the adapter 251, wherein a wiring hole 250 connected with a branch cable is arranged at a position, corresponding to the wiring screw 253, at one end of the adapter 251, the diameter of the wiring hole 250 is larger than that of the branch clamping cavity 240, and the other end of the adapter 251 is connected in the branch clamping cavity 240. The adapter can play the effect of switching, and the adapter can be connected with the branch cable of multiple different specification external diameters to this cable tapping device's application scope is wider. The wiring hole 250 in the activity be provided with holder 254, binding screw 253 the afterbody extend in wiring hole 250 and contradict on holder 254, be provided with arc wire pressing groove 255 on holder 254's the lower terminal surface, and be formed with branch wiring chamber between arc wire pressing groove 255 and the wiring hole 250. Be provided with arc wire pressing groove on the holder, can avoid the binding screw to damage branch cable because of contacting branch cable, and the holder can compress tightly branch cable in the wiring hole, can guarantee that the wiring is more firm.

As shown in fig. 3, 4 and 5, two sides of the tooth block seat 231 are respectively provided with a clip 2311, the bracket 21 is provided with a slot 211 matched with the clip 2311, the clip 2311 is clamped in the slot 211, and the tooth block seat 231 is in clamping fit with the bracket 21. The gear block seat and the support are assembled in a clamping matching mode, so that the gear block seat and the support are assembled conveniently, and the assembly efficiency of the cable tapping device is improved. The bracket 21 is formed by splicing two support plates 2111 through a bolt, the clamping cavity 200 is formed between the two support plates 2111, and the clamping cavity 200 is square. The support is spliced through two supporting plates, so that the structural design is simpler, the production cost is lower, and the assembly is more convenient.

As shown in fig. 2 and 3, the partition assembly 22 includes a long partition 221 disposed along one diagonal of the clamping cavity 200, and two short partitions 222 disposed along the other diagonal of the clamping cavity 200, a clamping hole 2211 is disposed in the middle of the long partition 221, clamping blocks 2221 matched with the clamping holes 2211 are respectively disposed at one ends of the two short partitions 222, the clamping blocks 2221 are clamped in the clamping holes 2211, and the two short partitions 222 are clamped and matched with the long partition 221. Four main wire cores of the four-core cable are separated by the long partition plate and the two short partition plates, so that each main wire core can be ensured to be in reliable contact with the tooth block assembly, and the connection reliability of the cable tapping device is improved. The two sides of the long partition 221 and the short partition 222 are respectively provided with a plurality of anti-slip convex strips 2200 matched with the four-core cable. The anti-skid convex strips can play a role in increasing friction force, so that the clamping force of the cable tapping device on the four-core cable is favorably improved, and the connection reliability of the cable tapping device is favorably improved.

The cable tapping device can clamp four main wire cores of a four-core cable in four branch clamping cavities, the support is provided with four tooth block assemblies matched with the four main wire cores respectively, and the tooth blocks can be punctured from the centers of the four main wire cores, so that the contact reliability of the tooth blocks and the four main wire cores can be improved, and the contact resistance between the four main wire cores and the four tooth blocks is more uniform; and adopt puncture formula shunting structural design, the cost is lower, and the installation is more convenient, and branch cable can be connected with branch binding post, and the installation is more convenient. Therefore, the cable tapping device has the advantages of simple structure, stable and reliable performance, convenient installation and reliable connection.