CN109494497B - A connectable insulation piercing wire clip - Google Patents

A connectable insulation piercing wire clip Download PDF

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Publication number
CN109494497B
CN109494497B CN201811252029.3A CN201811252029A CN109494497B CN 109494497 B CN109494497 B CN 109494497B CN 201811252029 A CN201811252029 A CN 201811252029A CN 109494497 B CN109494497 B CN 109494497B
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China
Prior art keywords
pressing plate
clamping
thorn
block
plate
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CN201811252029.3A
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Chinese (zh)
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CN109494497A (en
Inventor
陈苑婷
常建斌
于津
侯虎成
王小伟
汤伟华
郑腾飞
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Zhejiang Lanxi Power Supply Co Ltd
Jinhua Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
State Grid Corp of China SGCC
Original Assignee
Zhejiang Lanxi Power Supply Co Ltd
Jinhua Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
State Grid Corp of China SGCC
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Application filed by Zhejiang Lanxi Power Supply Co Ltd, Jinhua Power Supply Co of State Grid Zhejiang Electric Power Co Ltd, State Grid Corp of China SGCC filed Critical Zhejiang Lanxi Power Supply Co Ltd
Priority to CN201811252029.3A priority Critical patent/CN109494497B/en
Publication of CN109494497A publication Critical patent/CN109494497A/en
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Publication of CN109494497B publication Critical patent/CN109494497B/en
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
    • H01R11/03—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the relationship between the connecting locations
    • H01R11/09—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the relationship between the connecting locations the connecting locations being identical
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
    • H01R11/11—End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/24—Connections using contact members penetrating or cutting insulation or cable strands
    • H01R4/2404—Connections using contact members penetrating or cutting insulation or cable strands the contact members having teeth, prongs, pins or needles penetrating the insulation
    • H01R4/2407—Connections using contact members penetrating or cutting insulation or cable strands the contact members having teeth, prongs, pins or needles penetrating the insulation having saw-tooth projections
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/24—Connections using contact members penetrating or cutting insulation or cable strands
    • H01R4/2404—Connections using contact members penetrating or cutting insulation or cable strands the contact members having teeth, prongs, pins or needles penetrating the insulation
    • H01R4/2408—Connections using contact members penetrating or cutting insulation or cable strands the contact members having teeth, prongs, pins or needles penetrating the insulation actuated by clamping screws
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/24—Connections using contact members penetrating or cutting insulation or cable strands
    • H01R4/247—Connections using contact members penetrating or cutting insulation or cable strands the contact members penetrating the insulation being actuated by springs
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/38—Clamped connections, spring connections utilising a clamping member acted on by screw or nut
    • H01R4/44—Clamping areas on both sides of screw
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4854—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a wire spring
    • H01R4/4863—Coil spring
    • H01R4/4872—Coil spring axially compressed to retain wire end
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/489—Clamped connections, spring connections utilising a spring, clip, or other resilient member spring force increased by screw, cam, wedge, or other fastening means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/70—Insulation of connections

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  • Processing Of Terminals (AREA)
  • Installation Of Indoor Wiring (AREA)

Abstract

本发明涉及一种电力金具，尤其是涉及一种可连接型绝缘穿刺线夹。一种可连接型绝缘穿刺线夹，包括上压板和下压板，上压板和下压板连接合拢时形成两个用于夹持电缆的夹线槽，上压板与下压板内设置有刺片，上压板上设置有卡接装置，下压板上设置有固定装置，卡接装置包括主连接杆，主连接杆的一端连接有卡接块，卡接块内设置有卡接槽，卡接槽内设置有压块，两个压块之间通过压块弹簧连接，两个压块相靠近的一端上均设置有呈L型的卡块，卡块包括竖杆，竖杆远离另一根竖杆的一侧连接有横杆，固定装置包括辅连接杆，辅连接杆连接有固定块，固定块设置有固定槽。本发明能通过一根主线电缆同时连接多根支线电缆，提高工作人员的作业效率。

Figure 201811252029

The invention relates to a power fitting, in particular to a connectable insulation piercing wire clip. A connectable insulation piercing wire clip, comprising an upper pressure plate and a lower pressure plate. When the upper pressure plate and the lower pressure plate are connected and closed, two wire clamping grooves are formed for clamping cables. The upper pressure plate and the lower pressure plate are provided with thorns. A clamping device is arranged on the pressing plate, a fixing device is arranged on the lower pressing plate, and the clamping device comprises a main connecting rod, one end of the main connecting rod is connected with a clamping block, a clamping groove is arranged in the clamping block, and a clamping groove is arranged in the clamping groove There is a pressure block, the two pressure blocks are connected by a pressure block spring, and an L-shaped clamping block is arranged on the close end of the two pressure blocks. The clamping block includes a vertical rod, and the vertical rod is far from the other vertical rod. One side is connected with a cross bar, the fixing device includes an auxiliary connecting rod, the auxiliary connecting rod is connected with a fixing block, and the fixing block is provided with a fixing groove. The invention can simultaneously connect a plurality of branch cables through one main cable, thereby improving the working efficiency of the staff.

Figure 201811252029

Description

Connectable insulating puncture wire clamp
Technical Field
The invention relates to an electric power fitting, in particular to a connectable insulating piercing connector.
Background
An Insulation Piercing connector (Insulation Piercing Connectors) mainly comprises an Insulation shell, a Piercing blade, a waterproof rubber pad and a torque bolt. When the cable branches are connected, the branch cable is inserted into the branch cap, the main line branch position is determined, the torque nut on the cable clamp is screwed by the socket wrench, the upper and lower insulators hidden with the puncture blade of the cable clamp are gradually folded along with the screwing of the torque nut, meanwhile, the arc-shaped sealing rubber gasket wrapped around the puncture blade is gradually attached to the cable insulation layer, and the puncture blade also starts to puncture the cable insulation layer and the metal conductor. When the sealing degree of the sealing rubber gasket and the insulating grease and the contact between the puncture blade and the metal body reach the optimal effect, the torque nut automatically falls off, and at the moment, the installation is completed, and the sealing effect and the electrical effect of the contact point reach the optimal effect.
However, when an insulation piercing connector in the current market is installed, one insulation piercing connector can only be connected with one main line and one branch line cable at the same time, and cannot be connected with a plurality of branch line cables through one main line, so that great inconvenience is brought to workers, and the operation efficiency is low.
For example, Chinese patent publication numbers are: CN202058865U, a 10kV insulation piercing connector announced in 2011, 11, 30, comprising a torque nut, a contact blade, a shell, a bolt and a waterproof sealing sleeve, wherein the torque nut is lengthened and is 1.5-2.0 times of the existing torque nut, and a flexible lead fixer is respectively added on two sides of a branch lead of the insulation piercing connector; the flexible lead fixer consists of a binding belt and a fixing block, and is combined with the insulating puncture clamp shell through the fixing block, the inner side of the binding belt is an insulating lining layer with larger friction force, the outer side of the binding belt is a step-shaped insulating barb, and a backstop hook is arranged in the fixing block; the utility model discloses a although can just accomplish most "electrified T with the help of insulating platform easily like high altitude insulation bucket arm car and connect the lead wire" operation, extend live working's scope greatly, but a thread and a branch line cable can only be connected to this fastener, and the operating efficiency is low.
Disclosure of Invention
The invention mainly aims to solve the problems and provides a connectable insulation piercing connector which can simultaneously connect a plurality of branch cables through one main cable and improve the working efficiency of workers.
The purpose of the invention is mainly realized by the following scheme: a connectable insulation piercing connector comprises an upper pressing plate and a lower pressing plate, wherein the upper pressing plate and the lower pressing plate are connected through a fastening device, two wire clamping grooves for clamping cables are formed when the upper pressing plate and the lower pressing plate are connected and folded, the upper pressing plate and the lower pressing plate are correspondingly internally provided with barbed sheets, the upper pressing plate is provided with a clamping device electrically connected with the barbed sheets, the lower pressing plate is provided with a fixing device electrically connected with the barbed sheets and matched with the clamping device, the clamping device comprises a main connecting rod arranged on the upper pressing plate, one end of the main connecting rod, far away from the upper pressing plate, is connected with a clamping block, a clamping groove is arranged in the clamping block, pressing blocks penetrating through the side wall of the clamping block and connected with the inner wall of the clamping block in a sliding mode are symmetrically arranged in the clamping groove along the central line of the clamping groove, and the two pressing blocks are connected through a pressing block, one of being close to mutually of two briquettings all is provided with the fixture block that is the L type, the fixture block including connect on the briquetting and extend to the outer montant of joint piece, one side that another montant was kept away from to the montant is connected with the horizontal pole, fixing device including setting up the assistance connecting rod on the holding down plate, the one end that the holding down plate was kept away from to the assistance connecting rod be connected with the fixed block, the fixed block keep away from one side of assistance connecting rod be provided with two fixture block matched with fixed slots. The upper pressing plate and the lower pressing plate are connected through a fastening device, two wire clamping grooves for clamping cables are formed when the upper pressing plate and the lower pressing plate are connected and closed, one wire clamping groove is used for clamping a main wire cable, the other wire clamping groove is used for clamping a branch cable, the upper pressing plate and the lower pressing plate are correspondingly provided with a thorn sheet, the upper pressing plate is provided with a clamping device electrically connected with the thorn sheet, the lower pressing plate is provided with a fixing device electrically connected with the thorn sheet and matched with the clamping device, after the main wire and the branch cable on one insulation puncture wire clamp are fixed, two branch cables can be fixed in the wire clamping groove of another insulation puncture wire clamp with the same structure, then the clamping device on the upper pressing plate of the puncture wire clamp is embedded into the fixing device on the wire clamp lower pressing plate with the main wire through moving another insulation puncture wire clamp, so that the electrical connection of, realize the electrical connection of a main cable and three branch cables, the clamping device comprises a main connecting rod arranged on the upper pressure plate, one end of the main connecting rod far away from the upper pressure plate is connected with a clamping block, a clamping groove is arranged in the clamping block, pressing blocks which penetrate through the side wall of the clamping block and are in sliding connection with the inner wall of the clamping block are symmetrically arranged in the clamping groove along the central line of the clamping groove, the two pressing blocks are connected through a pressing block spring, the pressing block spring can fix the two pressing blocks at a certain position when the clamping device is not acted by external force, the ends of the two pressing blocks close to each other are both provided with an L-shaped clamping block, the clamping block comprises a vertical rod connected on the pressing block and extending out of the clamping block, one side of the vertical rod far away from the other vertical rod is connected with a horizontal rod, the fixing device comprises an auxiliary connecting rod arranged on the lower pressure plate, one end, when two puncture wire clamps are connected, a worker firstly applies pressure to two pressing blocks on one puncture wire clamp to enable the two pressing blocks to overcome the spring force of a pressing block spring to be close to each other, the two pressing blocks move relatively and drive two clamping blocks to move relatively close to each other, then the clamping blocks are moved to insert the clamping blocks into fixing grooves of fixing blocks of the other puncture wire clamp, then the two pressing blocks are not applied with force, the two pressing blocks reset under the elastic force action of the pressing block spring, so that two cross rods are clamped in the fixing grooves, and the two puncture wire clamps with the same structure can be electrically connected; when will two puncture fastener separation, make two briquetting drive the horizontal pole to two briquetting effort and be close to the removal relatively, then remove the joint piece, can make the fixture block break away from the fixed slot, realize the separation of two puncture fasteners.
Preferably, the upper pressing plate and the lower pressing plate are both internally provided with thorn piece grooves for mounting the thorn pieces, the cross sections of the thorn piece grooves are in an inverted trapezoid shape with a large top and a small bottom, the thorn pieces are matched with the thorn piece grooves, two sides of each thorn piece are respectively provided with a groove positioned on the inner wall of the upper pressing plate or the lower pressing plate, sealing beads are arranged in the grooves, insulating silicone grease is filled in the grooves, and thorn piece springs are connected between the lower surfaces of the thorn pieces and the bottom wall of the thorn piece grooves. The upper pressure plate and the lower pressure plate are both provided with a thorn sheet groove for mounting a thorn sheet, the cross section of the thorn sheet groove is in an inverted trapezoid shape with a large upper part and a small lower part, the thorn sheet is matched with the thorn sheet groove, the cross section of the thorn sheet is also in an inverted trapezoid shape with a large upper part and a small lower part, two sides of the thorn sheet are both provided with grooves positioned on the inner wall of the upper pressure plate or the lower pressure plate, sealing beads are arranged in the grooves, insulating silicone grease is filled in the grooves, a thorn sheet spring is connected between the lower surface of the thorn sheet and the bottom wall of the thorn sheet groove, when the upper pressure plate and the lower pressure plate are folded, the thorn sheet is propped against the cable insulating layer, the thorn sheet overcomes the spring force of the thorn sheet spring and moves, when the thorn sheet moves to the bottom of the thorn sheet groove and can not move any more, the thorn sheet starts to puncture into the cable insulating layer and gradually extrudes and punctures the metal conductor, when the thorn sheet moves in, make the sealed pearl toward the inside removal of recess to extrude the insulating silicone grease in the recess, the insulating silicone grease that overflows is covered with thorn piece and cable insulation layer surface, plays good waterproof sealing effect of insulation, and the ball rolls the friction loss that can reduce thorn piece and top board or the inner wall of holding down plate simultaneously, improves the life of thorn piece.
Preferably, the fastening device comprises a fastening bolt and a torque nut, a through hole is formed in the lower pressing plate, a sleeve matched with the through hole in the lower pressing plate and used for the fastening bolt to penetrate through is arranged on the upper pressing plate, a square through hole for the fastening bolt to penetrate through is formed in the lower pressing plate, and one section of the fastening bolt in the square through hole is square and matched with the square through hole. The fastening device comprises a fastening bolt and a torque nut, a through hole is arranged on the lower pressing plate, a sleeve matched with the through hole on the lower pressing plate and used for the fastening bolt to pass through is arranged on the upper pressing plate, a square through hole for the fastening bolt to pass through is arranged on the lower pressing plate, one section of the fastening bolt in the square through hole is square matched with the square through hole, when in specific operation, the upper pressing plate and the lower pressing plate are spliced together, the sleeve on the upper pressing plate is inserted into the through hole on the lower pressing plate, then the fastening bolt penetrates into the through hole on the lower pressing plate, because the square section on the fastening bolt is attached to the inner wall of the square through hole, when the fastening bolt is screwed, the through hole is square, the fastening bolt can not rotate in the through hole along with screwing, when the wire clamp is connected with a cable, the torque nut is firstly screwed, so that the upper pressing plate and the lower pressing, then the main cable is clamped into the wire clamping groove on one side, the branch cable is placed into the wire clamping groove on the other side, the torque nut is uniformly screwed by using a socket wrench with a proper size, the upper pressing plate and the lower pressing plate of the puncture wire clamp are gradually folded along with the gradual screwing of the torque nut, the torque nut is continuously screwed by using the socket wrench, when the torque reaches a set value, the nut torque mechanism falls off, the main cable and the branch cable are connected, and the waterproof performance and the electrical effect reach the parameters of standard requirements.
Preferably, the two sides of the lower pressing plate are provided with clamping grooves, and the two sides of the upper pressing plate are provided with inserting frames capable of being embedded into the clamping grooves. The clamping grooves are formed in the two sides of the lower pressing plate, the inserting frames capable of being embedded into the clamping grooves are arranged on the two sides of the upper pressing plate, and when the upper pressing plate and the lower pressing plate are gradually closed and clamped, the inserting frames on the two sides of the upper pressing plate can be inserted into the clamping grooves in the two sides of the lower pressing plate, so that the upper pressing plate and the lower pressing plate are connected more stably.
Preferably, both sides of the lower pressing plate are provided with clamping plates for limiting the upper pressing plate. The both sides of holding down plate all are provided with and are used for the spacing splint of top board, fold gradually when pressing from both sides tightly as top board and holding down plate, and splint on the holding down plate make the unable removal of top board for the combination of top board and holding down plate is more firm.
Preferably, the number of the thorn pieces in the upper press plate or the lower press plate is at least three, and the thorn pieces in the upper press plate correspond to the thorn pieces in the lower press plate one to one. The number of the thorn pieces in the upper pressing plate or the lower pressing plate is at least three, and the thorn pieces in the upper pressing plate and the thorn pieces in the lower pressing plate are in one-to-one correspondence, so that the stability when the cable is clamped is higher.
Therefore, the connectable insulated piercing connector has the following advantages: the invention has simple operation, can simultaneously connect a plurality of branch cables through one main cable, improves the working efficiency of workers, has higher safety during operation, and has long service life after the puncture wire clamp is installed.
Drawings
Fig. 1 is a front view of the present invention.
Figure 2 is a side view of the present invention.
FIG. 3 is a schematic view of the structure of the lower platen of the present invention.
Fig. 4 is a schematic structural view of an upper platen in the present invention.
FIG. 5 is a cross-sectional view of a lancet slot of the present invention.
FIG. 6 is a schematic view of the latch and retainer of the present invention.
Illustration of the drawings: 1-upper press plate, 2-torque nut, 3-clamping device, 4-main connecting rod, 5-wire clamping groove, 6-spike, 7-lower press plate, 8-auxiliary connecting rod, 9-fixing device, 10-fastening bolt, 11-through hole, 12-clamping plate, 13-clamping groove, 14-sleeve, 15-plug rack, 16-sealing bead, 17-insulating silicone grease, 18-groove, 19-spike groove, 20-spike spring, 21-fixing block, 22-fixing groove, 23-clamping groove, 24-vertical rod, 25-cross rod, 26-pressing block, 27-clamping block, 28-pressing block spring and 29-clamping block.
Detailed Description
The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings.
Example 1:
as shown in fig. 1, 2, 3, 4 and 6, a connectable insulation piercing connector comprises an upper pressing plate 1 and a lower pressing plate 7, wherein the upper pressing plate 1 is connected with the lower pressing plate 7 through a fastening device, two cable clamping grooves 5 for clamping cables are formed when the upper pressing plate 1 is connected with the lower pressing plate 7, one cable clamping groove 5 is used for clamping a main cable, the other cable clamping groove 5 is used for clamping a branch cable, clamping grooves 13 are arranged on two sides of the lower pressing plate 7, inserting frames 15 capable of being embedded into the clamping grooves 13 are arranged on two sides of the upper pressing plate 1, when the upper pressing plate 1 is gradually closed and clamped with the lower pressing plate 7, the inserting frames 15 on two sides of the upper pressing plate 1 are inserted into the clamping grooves 13 on two sides of the lower pressing plate 7, so that the connection between the upper pressing plate 1 and the lower pressing plate 7 is more stable, clamping plates 12 for limiting the upper pressing plate 1 are arranged on two sides of the lower pressing plate 7, when the upper pressing plate 1 is gradually closed, the clamping plate 12 on the lower pressing plate 7 enables the upper pressing plate 1 not to move and can also increase the stability when the upper pressing plate 1 and the lower pressing plate 7 are combined, the thorn sheets 6 are correspondingly arranged in the upper pressing plate 1 and the lower pressing plate 7, the clamping device 3 electrically connected with the thorn sheets 6 is arranged on the upper pressing plate 1, the fixing device 9 electrically connected with the thorn sheets 6 and matched with the clamping device 3 is arranged on the lower pressing plate 7, after a main wire and a branch cable on one insulation puncture wire clamp are fixed, two branch cables can be fixed in the wire clamping groove 5 of another insulation puncture wire clamp with the same structure, then the clamping device 3 on the upper pressing plate 1 of the puncture wire clamp is embedded into the fixing device 9 on the wire clamp lower pressing plate 7 with the main wire by moving another insulation puncture wire clamp, thereby realizing the electrical connection of the two puncture wire clamps and realizing the electrical connection of one main wire cable and three branch cables, the clamping device 3 comprises a main connecting rod 4 arranged on the upper pressing plate 1, one end of the main connecting rod 4 far away from the upper pressing plate 1 is connected with a clamping block 27, a clamping groove 23 is arranged in the clamping block 27, pressing blocks 26 which penetrate through the side wall of the clamping block 27 and are in sliding connection with the inner wall of the clamping block 27 are symmetrically arranged in the clamping groove 23 along the central line of the clamping groove 23, the two pressing blocks 26 are connected through a pressing block spring 28, the pressing block spring 28 can fix the two pressing blocks 26 at a certain position when the clamping device 3 is not acted by external force, L-shaped clamping blocks 29 are arranged at one ends of the two pressing blocks 26 close to each other, each clamping block 29 comprises a vertical rod 24 which is connected to the pressing block 26 and extends out of the clamping block 27, one side of the vertical rod 24 far away from the other vertical rod 24 is connected with a cross rod 25, the fixing device 9 comprises an auxiliary connecting rod, one side of the fixing block 21, which is far away from the auxiliary connecting rod 8, is provided with a fixing groove 22 matched with the two clamping blocks 29, when two puncture wire clamps are connected, a worker firstly applies pressure to the two pressing blocks 26 on one puncture wire clamp to enable the two pressing blocks 26 to overcome the spring force of the pressing block spring 28 to be close to each other, the two pressing blocks 26 move relatively and simultaneously drive the two clamping blocks 29 to move relatively close to each other, then the clamping block 27 is moved to insert the clamping block 29 into the fixing groove 22 of the fixing block 21 of the other puncture wire clamp, and then the two pressing blocks 26 do not apply force to the two pressing blocks 26, the two pressing blocks 26 reset under the elastic force action of the pressing block spring 28, so that the two cross rods 25 are clamped in; when two piercing connectors are to be separated, two pressing blocks 26 are made to drive the cross rod 25 to move relatively close to each other by acting force of the two pressing blocks 26, then the clamping block 27 is moved, the clamping block 29 can be made to be separated from the fixing groove 22, and separation of the two piercing connectors is achieved.
The fastening device comprises a fastening bolt 10 and a torque nut 2, a through hole 11 is arranged on a lower pressing plate 7, a sleeve 14 which is matched with the through hole on the lower pressing plate 7 and is used for allowing the fastening bolt 10 to pass through is arranged on an upper pressing plate 1, a square through hole for allowing the fastening bolt 10 to pass through is arranged on the lower pressing plate 7, one section of the fastening bolt 10 which is positioned in the square through hole is square matched with the square through hole, during specific operation, the upper pressing plate 1 and the lower pressing plate 7 are firstly spliced together, the sleeve 14 on the upper pressing plate 1 is inserted into the through hole 11 on the lower pressing plate 7, then the fastening bolt 10 penetrates into the through hole on the lower pressing plate 7, as the square section on the fastening bolt 10 is attached to the inner wall of the square through hole, when the fastening bolt 10 is screwed, as the through hole is square, the fastening bolt 10 cannot rotate in the through hole along with the screwing, when the cable clamp is connected with a cable, the torque nut 2 is firstly screwed so as to separate the upper pressing, then the main cable is clamped into the wire clamping groove 5 on one side, the branch cable is placed into the wire clamping groove 5 on the other side, the torque nut 2 is evenly screwed by a socket wrench with a proper size, the puncture cable clamp upper pressure plate 1 and the lower pressure plate 7 are gradually folded along with the gradual screwing of the torque nut 2, the torque nut 2 is continuously screwed by the socket wrench, when the torque reaches a set value, the nut torque mechanism falls off, the main cable and the branch cable are connected, and the waterproof performance and the electrical effect reach the parameters of standard requirements.
As shown in fig. 5, a thorn sheet groove 19 for installing a thorn sheet is arranged in each of the upper pressure plate 1 and the lower pressure plate 7, the cross section of the thorn sheet groove 19 is in a shape of an inverted trapezoid with a large upper part and a small lower part, the thorn sheet is matched with the thorn sheet groove 19, the cross section of the thorn sheet is also in the shape of an inverted trapezoid with a large upper part and a small lower part, grooves 18 are arranged on the inner walls of the upper pressure plate 1 or the lower pressure plate 7 on both sides of the thorn sheet, sealing beads 16 are arranged in the grooves 18, insulating silicone grease 17 is filled in the grooves 18, a thorn sheet spring 20 is connected between the lower surface of the thorn sheet and the bottom wall of the thorn sheet groove 19, when the upper pressure plate 1 and the lower pressure plate 7 are folded, the thorn sheet is abutted against the cable insulation layer and is pressed to overcome the spring force of the thorn sheet spring 20 and moves, when the thorn sheet moves to the bottom of the thorn sheet groove 19 and can not move any more, the thorn, when the thorn sheet moves in the thorn sheet groove 19, two side faces of the thorn sheet can be abutted against the sealing beads 16, so that the sealing beads 16 move towards the inner part of the groove 18, the insulating silicone grease 17 in the groove 18 is extruded out, the outer surfaces of the thorn sheet and the cable insulating layer are fully distributed with the overflowing insulating silicone grease 17, a good insulating waterproof sealing effect is achieved, meanwhile, the friction loss between the thorn sheet and the inner wall of the upper pressing plate 1 or the lower pressing plate 7 can be reduced due to rolling of the balls, and the service life of the thorn sheet is prolonged; the number of the thorn pieces in the upper press plate 1 or the lower press plate 7 is at least three, and the thorn pieces in the upper press plate 1 and the thorn pieces in the lower press plate 7 are in one-to-one correspondence, so that the stability when the cable is clamped is higher.
It should be understood that this example is only for illustrating the present invention and is not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and such equivalents may fall within the scope of the present invention as defined in the appended claims.

Claims (6)

1.一种可连接型绝缘穿刺线夹，其特征在于，包括上压板和下压板，所述的上压板与下压板之间通过紧固装置连接，所述的上压板和下压板连接合拢时形成两个用于夹持电缆的夹线槽，所述的上压板与下压板内对应设置有刺片，所述的上压板上设置有与刺片电连接的卡接装置，所述的下压板上设置有与刺片电连接并与卡接装置相配合的固定装置，所述的卡接装置包括设置在上压板上的主连接杆，所述的主连接杆远离上压板的一端连接有卡接块，所述的卡接块内设置有卡接槽，所述的卡接槽内沿卡接槽中心线对称设置有贯穿卡接块侧壁并与卡接块内壁滑动连接的压块，两个压块之间通过压块弹簧连接，两个压块相靠近的一端上均设置有呈L型的卡块，所述的卡块包括连接在压块上并延伸至卡接块外的竖杆，竖杆远离另一根竖杆的一侧连接有横杆，所述的固定装置包括设置在下压板上的辅连接杆，所述的辅连接杆远离下压板的一端连接有固定块，所述的固定块远离辅连接杆的一侧设置有与另一个结构相同的穿刺线夹上的两个卡块相配合的固定槽。1. A connectable insulation piercing wire clip is characterized in that, comprising an upper pressing plate and a lower pressing plate, between the described upper pressing plate and the lower pressing plate, is connected by a fastening device, and when the described upper pressing plate and the lower pressing plate are connected and closed Two wire-clamping grooves are formed for clamping cables, the upper pressing plate and the lower pressing plate are provided with thorns correspondingly, the upper pressing plate is provided with a clamping device electrically connected with the thorns, and the lower The pressing plate is provided with a fixing device which is electrically connected with the thorn and matched with the clamping device. The clamping device comprises a main connecting rod arranged on the upper pressing plate, and one end of the main connecting rod away from the upper pressing plate is connected with a A clamping block, a clamping groove is arranged in the clamping block, and a pressing block that penetrates the side wall of the clamping block and is slidably connected to the inner wall of the clamping block is symmetrically arranged in the clamping groove along the center line of the clamping groove , the two pressure blocks are connected by a pressure block spring, and an L-shaped clamping block is arranged on the end of the two pressure blocks that are close to each other. The vertical rod, the side of the vertical rod away from another vertical rod is connected with a horizontal rod, the fixing device includes an auxiliary connecting rod arranged on the lower pressure plate, and one end of the auxiliary connecting rod away from the lower pressure plate is connected with a fixing block The side of the fixing block away from the auxiliary connecting rod is provided with a fixing groove which is matched with the two clamping blocks on the other puncture wire clip with the same structure. 2.根据权利要求1所述的一种可连接型绝缘穿刺线夹，其特征在于，所述的上压板和下压板内均设置有用于安装刺片的刺片槽，所述的刺片槽的横截面呈上大下小的倒梯形状，所述的刺片与刺片槽相匹配，所述的刺片的两侧均设置有位于上压板或下压板内壁上的凹槽，所述的凹槽内设置有密封珠，所述的凹槽内填充有绝缘硅脂，所述的刺片的下表面与刺片槽的底面壁上之间连接有刺片弹簧。2. A connectable insulation puncture wire clip according to claim 1, wherein the upper and lower pressing plates are provided with a thorn piece slot for installing a thorn piece, and the thorn piece slot is The cross section of the thorn is in the shape of an inverted trapezoid with a large upper and a lower lower, the thorn piece is matched with the thorn piece groove, and both sides of the thorn piece are provided with grooves located on the inner wall of the upper pressure plate or the lower pressure plate. A sealing bead is arranged in the groove, the groove is filled with insulating silicone grease, and a thorn spring is connected between the lower surface of the thorn and the bottom wall of the thorn. 3.根据权利要求1所述的一种可连接型绝缘穿刺线夹，其特征在于，所述的紧固装置包括紧固螺栓和力矩螺母，所述的下压板上设置有通孔，所述的上压板上设置有与下压板上的通孔相配合的并用于供紧固螺栓穿过的套筒，所述的下压板上设置有供紧固螺栓穿过的方形通孔，所述的紧固螺栓位于方形通孔内的一段为与方形通孔相适配的方形。3. A connectable insulation piercing clip according to claim 1, wherein the fastening device comprises a fastening bolt and a torque nut, the lower pressing plate is provided with a through hole, the The upper pressure plate is provided with a sleeve that matches the through holes on the lower pressure plate and is used for the fastening bolts to pass through, and the lower pressure plate is provided with square through holes for the fastening bolts to pass through. A section of the fastening bolt located in the square through hole is a square adapted to the square through hole. 4.根据权利要求1或2或3所述的一种可连接型绝缘穿刺线夹，其特征在于，所述的下压板两侧设置有卡槽，所述的上压板的两侧设置有能嵌入卡槽内部的插架。4. A connectable insulation puncture wire clip according to claim 1, 2 or 3, characterized in that, both sides of the lower pressing plate are provided with clamping grooves, and both sides of the upper pressing plate are provided with energy A slot that fits inside the card slot. 5.根据权利要求1或2或3所述的一种可连接型绝缘穿刺线夹，其特征在于，所述的下压板的两侧均设置有用于对上压板限位的夹板。5. The connectable insulation piercing wire clip according to claim 1, 2 or 3, characterized in that, both sides of the lower pressing plate are provided with splints for limiting the position of the upper pressing plate. 6.根据权利要求1或2或3所述的一种可连接型绝缘穿刺线夹，其特征在于，所述的上压板或下压板内的刺片的数量至少为三个，所述的上压板内的刺片和下压板内的刺片一一对应。6. A connectable insulation piercing clip according to claim 1, 2 or 3, wherein the number of thorns in the upper or lower pressing plate is at least three, and the upper The thorns in the pressing plate are in one-to-one correspondence with the thorns in the lower pressing plate.
CN201811252029.3A 2018-10-25 2018-10-25 A connectable insulation piercing wire clip Active CN109494497B (en)

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CN112310675B (en) * 2020-10-12 2022-05-20 亿嘉和科技股份有限公司 Live lap joint compatible wire clamp
CN112366461A (en) * 2020-11-26 2021-02-12 国家电网有限公司 Microneedle type lead connecting device
CN114583624B (en) * 2021-07-21 2024-03-01 浙江华云信息科技有限公司 Hot-line work buckle fastener

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CN107946794B (en) * 2017-10-09 2019-05-17 国网浙江省电力公司湖州供电公司 An insulation piercing wire clip
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