CN218896823U

CN218896823U - Insulation piercing ground clamp

Info

Publication number: CN218896823U
Application number: CN202222738393.9U
Authority: CN
Inventors: 孟汉敏; 郭善林; 沈荣生
Original assignee: Jiangsu Changyuan Electrical Equipment Co ltd
Current assignee: Jiangsu Changyuan Electrical Equipment Co ltd
Priority date: 2022-10-18
Filing date: 2022-10-18
Publication date: 2023-04-21
Anticipated expiration: 2032-10-18

Abstract

The application provides an insulating puncture ground clamp relates to the fastener field. The insulation puncture grounding wire clamp comprises an upper shell, a lower shell, a first clamping mechanism and a second clamping mechanism, wherein the first clamping mechanism is used for clamping and fixing the top of a wire clamp, the second clamping mechanism is used for clamping and fixing the two sides of the wire clamp, and the first clamping mechanism comprises a telescopic column. This insulating puncture grounding wire clamp is fixed through setting up first fixture and second fixture respectively to the top and both sides of cable, makes the cable more firm, and the effectual cable that has solved in the past insulating puncture grounding wire clamp can not the diameter size be different carries out the effect of pressing from both sides tight, has realized fixed connection between cable and the puncture blade, prevents the rainwater get into the beneficial effect with cable contact in the cable clamp, through setting up rubber gasket and rubber strip at the surface and the both ends of anchor clamps, can improve the laminating nature between anchor clamps and the cable on the one hand, on the other hand can play insulating and protection's effect, reduces the wearing and tearing on cable surface, the life of extension line cable.

Description

Insulation piercing ground clamp

Technical Field

The application relates to the technical field of wire clamps, in particular to an insulation piercing grounding wire clamp.

Background

The grounding wire clamp mainly comprises a reinforced shell, a puncture blade, a sealing gasket, waterproof silicone grease, a high-strength bolt, a torque nut and a cable terminal cap sleeve, when a cable is required to be branched or connected, a cable branch wire terminal is inserted into the waterproof terminal cap sleeve, after the position of a main wire branch is determined, the torque nut on the wire clamp is screwed by a socket wrench, the contact blade can puncture an insulating layer of the cable and is contacted with a conductor in the process, the sealing gasket presses the periphery of the punctured position of the cable, silicone grease overflows in the shell, when the torque reaches a set value, a nut torque mechanism falls off, the main wire and the branch wire are connected, and the waterproof performance and the electrical effect reach parameters required by standards.

Publication number CN216529389U discloses a puncture type earth connection device, and the device makes upper cover and lower cover each position receive reinforcement piece tightening force more even through setting up the reinforcement piece, and upper cover and lower cover edge extrusion closure are more fastening to be difficult to intaking between upper cover and the lower cover edge, but the device's branch clamp wire casing and main clamp wire casing's size is fixed, and when the diameter of cable was less than branch clamp wire casing and main clamp wire casing, the cable can rock in branch clamp wire casing and main clamp wire casing, and water still can get into through the gap between cable and the clamp wire casing.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the application provides an insulation piercing grounding wire clamp, which solves the problems in the background art.

(II) technical scheme

In order to achieve the above purpose, the present application is implemented by the following technical schemes: the utility model provides an insulating puncture grounding wire clamp, includes casing, lower casing, is used for the fixed first fixture of cable top centre gripping and is used for the fixed second fixture of cable both sides centre gripping, first fixture includes flexible post, the one end fixed mounting of flexible post has the anchor clamps that are used for pressing from both sides tight cable, the surface winding of flexible post has the spring that is used for adjusting the anchor clamps position.

Through adopting above-mentioned technical scheme, can make anchor clamps press from both sides tight to the cable of diameter variation in size through the first fixture and the second fixture that set up, utilize the elasticity of spring, avoid cable and the size mismatch of wire clamping groove to lead to the problem of cable activity.

Preferably, the lower surface of the upper shell is uniformly provided with a first placing groove used for penetrating the cable and the grounding ring, and the first clamping mechanism is located in the first placing groove.

Through adopting above-mentioned technical scheme, can utilize the inside first fixture of arc first standing groove to press from both sides tightly the top of cable.

Preferably, one side of first standing groove is provided with the threaded rod, the top swing joint of going up the casing has the knob, first screw via hole has all been seted up on the surface of knob and last casing, be connected with fixing bolt between knob and the last casing, the one end of threaded rod and knob all is connected with the sprocket, and is connected with the chain between the sprocket that both are connected.

Through adopting above-mentioned technical scheme, can utilize threaded rod and lower casing threaded connection's mode to make last casing and lower casing link together, not only can improve the stability of connecting between the two, the manual work just need twist the rotation button and just can dismantle both moreover.

Preferably, a plurality of sliding rods are fixedly arranged on one side of the threaded rod, and one of the sliding rods is provided with threads on the surface of one end of the sliding rod located at the center of the upper shell and penetrates through the lower shell.

Through adopting above-mentioned technical scheme, can utilize a plurality of slide bars to insert in the spacing hole of lower casing, improve the stability that both connect.

Preferably, the second standing groove has evenly been seted up on the surface of lower casing, second fixture is located the inside of second standing groove, the even fixed mounting in surface of second fixture inner wall has first puncture blade, the spacing hole has evenly been seted up to the upper surface of lower casing, the quantity of spacing hole is a plurality of, and one of them is located the spacing hole of lower casing central point and runs through lower casing.

Through adopting above-mentioned technical scheme, can utilize running through the spacing hole of casing down and link to each other with threaded slide bar, make the slide bar run through the casing down, make the connection between casing and the lower casing more firm.

Preferably, the limiting hole is relatively aligned with the sliding rod and the threaded rod, one end of the sliding rod, which is positioned at the center position of the upper shell, is connected with a limiting piece through a thread of the limiting hole, which is positioned at the center position of the lower shell, the surface of the limiting piece and the lower surface of the lower shell are respectively provided with a second screw through hole, and the limiting piece is connected with the lower shell through a fixing bolt.

Through adopting above-mentioned technical scheme, can utilize spacing piece to carry out spacingly to the slide bar that has the screw thread, avoid the slide bar activity.

Preferably, rubber strips for waterproofing are fixedly arranged at the two ends of the clamp.

Through adopting above-mentioned technical scheme, can utilize the rubber strip to play waterproof effect to the position of being connected between anchor clamps and the cable, improve laminating nature and the leakproofness between anchor clamps and the cable.

Preferably, the surface of the clamp in the first clamping mechanism is uniformly and fixedly provided with a second puncture blade, and the inner side surface of the clamp in the second clamping mechanism is nested with a rubber gasket for protecting the cable surface.

Through adopting above-mentioned technical scheme, can utilize rubber gasket and cable contact, not only can play insulating and sealed effect, can play the effect of protection moreover on cable surface, reduce wearing and tearing, improve the life of cable.

(III) beneficial effects

The application provides an insulation piercing ground clamp. The beneficial effects are as follows:

1. this insulating puncture grounding wire clamp is fixed through setting up first fixture and second fixture and carrying out the centre gripping to the top and the both sides of cable respectively, makes the cable more firm, and the effectual cable that has solved the insulating puncture grounding wire clamp in the past can not the diameter size be different carries out the effect of pressing from both sides tightly, has realized fixed connection between cable and the puncture blade, prevents the rainwater from getting into the beneficial effect with cable contact in the fastener.

2. This insulating puncture ground clamp through setting up rubber gasket and rubber strip at the surface and the both ends of anchor clamps, can improve the laminating nature between anchor clamps and the cable on the one hand, makes more firm of connecting between the two, on the other hand can play insulating and the effect of protection, reduces the wearing and tearing on cable surface, the life of extension cable.

Drawings

FIG. 1 is a schematic perspective view of the present application;

FIG. 2 is a schematic perspective view of the upper housing of the present application;

FIG. 3 is a schematic view of a first perspective structure of the lower housing of the present application;

FIG. 4 is a schematic view of a second perspective of the lower housing of the present application;

FIG. 5 is a schematic view of a partial enlarged structure at A in FIG. 2 of the present application;

FIG. 6 is a top cross-sectional view of the upper housing of the present application;

fig. 7 is a schematic perspective view of a limiting plate of the present application.

In the figure: 1. an upper housing; 101. a threaded rod; 102. a slide bar; 103. a first placement groove; 104. a rotating knob; 105. a first screw via; 106. a sprocket; 2. a lower housing; 201. a first piercing blade; 202. a limiting hole; 203. a rubber gasket; 204. a second screw via; 205. a limiting piece; 206. a second placement groove; 3. a first clamping mechanism; 301. a telescopic column; 302. a spring; 303. a clamp; 304. a rubber strip; 305. a second piercing blade; 4. and a second clamping mechanism.

Detailed Description

The present application is further elaborated by the following figures and examples.

Referring to fig. 1, 2 and 5, the embodiment of the application provides an insulation piercing ground clamp, which comprises an upper shell 1, a lower shell 2, a first clamping mechanism 3 for clamping and fixing the top of a cable and a second clamping mechanism 4 for clamping and fixing two sides of the cable, wherein the first clamping mechanism 3 comprises a telescopic column 301, one end of the telescopic column 301 is fixedly provided with a clamp 303 for clamping the cable, the other end of the telescopic column 301 is connected with the top of the inner wall of the upper shell 1, and a spring 302 for adjusting the position of the clamp 303 is wound on the surface of the telescopic column 301.

The lower surface of the upper shell 1 is evenly provided with a first placing groove 103 used for penetrating a cable and a grounding ring, the first clamping mechanism 3 is located inside the first placing groove 103, the first placing groove 103 is arc-shaped, the cable is in contact with the clamp 303, and according to the diameter of the cable, the telescopic column 301 and the spring 302 are contracted to enable the clamp 303 to prop against the top of the cable.

Referring to fig. 1 and 6, in one aspect of the present embodiment, a threaded rod 101 is disposed at one side of a first placement groove 103, a rotation knob 104 is movably connected to the top of the upper case 1, first screw through holes 105 are formed on the surfaces of the rotation knob 104 and the upper case 1, a fixing bolt is connected between the rotation knob 104 and the upper case 1, one ends of the threaded rod 101 and the rotation knob 104 are connected with a sprocket 106, a chain is connected between the two connected sprockets 106, the threaded rod 101 is in threaded connection with the lower case 2, the rotation knob 104 is manually screwed to rotate the sprocket 106 at one end of the rotation knob 104, then the sprocket 106 drives the sprockets 106 at one ends of the two threaded rods 101 to rotate respectively through the chain, the threaded rod 101 is connected with the lower case 2, and after the connection of the two is completed, the fixing bolt is manually inserted into the first screw through holes 105 to fix the rotation knob 104 and the upper case 1 together.

Referring to fig. 2, 3, 4 and 7, in one aspect of the present embodiment, a slide bar 102 is fixedly installed at one side of the threaded rod 101, and the number of slide bars 102 is plural, wherein one surface of one end of the slide bar 102 located at the center of the upper case 1 is threaded and penetrates the lower case 2.

The second standing groove 206 has evenly been seted up on the surface of lower casing 2, and second fixture 4 is located the inside of second standing groove 206, and the surface of second fixture 4 inner wall evenly fixed mounting has first puncture blade 201, and spacing hole 202 has evenly been seted up to the upper surface of lower casing 2, and the quantity of spacing hole 202 is a plurality of, and one of them is located the spacing hole 202 of lower casing 2 central point and runs through lower casing 2.

The limiting hole 202 is opposite to the sliding rod 102 and the threaded rod 101, one end of the sliding rod 102 positioned at the central position of the upper shell 1 penetrates through the limiting hole 202 positioned at the central position of the lower shell 2 to be connected with the limiting piece 205 in a threaded mode, the surface of the limiting piece 205 and the lower surface of the lower shell 2 are provided with second screw through holes 204, the limiting piece 205 is connected with the lower shell 2 through fixing bolts, a cable is placed in the rectangular second placing groove 206, the first puncture blade 201 punctures the bottom of the cable, when the threaded rod 101 moves in the limiting hole 202, the sliding rod 102 also slides in the corresponding limiting hole 202, the sliding rod 102 positioned at the central position of the upper shell 1 is inserted into the limiting hole 202 positioned at the central position of the lower shell 2 to penetrate through the lower shell 2, then the limiting piece 205 is sleeved at one end of the sliding rod 102 positioned at the central position of the upper shell 1 in a threaded mode, and then the fixing bolts are inserted into the second screw through holes 204 to fix the limiting piece 205 and the lower shell 2 together.

Referring to fig. 3 and 5, in one aspect of the present embodiment, both ends of the jig 303 are fixedly mounted with rubber strips 304 for waterproofing.

The second puncture blade 305 is uniformly and fixedly arranged on the surface of the clamp 303 in the first clamping mechanism 3, the rubber gasket 203 for protecting the surface of the cable is nested on the inner side surface of the clamp 303 in the second clamping mechanism 4, the second puncture blade 305 punctures the top of the cable, the first clamping mechanism 3 and the second clamping mechanism 4 are identical in other structures except for the different structures of the surfaces of the clamp 303, and the rubber gasket 203 and the rubber strip 304 play roles in preventing water and improving the tightness of the cable.

All the electric equipment in this scheme all carry out the power supply through external power supply.

Working principle: when the cable is used, the cable is placed into the second placing groove 206, the two sides of the cable are clamped by the second clamping mechanism 4, then the threaded rod 101 and the sliding rod 102 are inserted into the corresponding limiting holes 202, the rotating knob 104 is manually screwed to enable the chain wheel 106 at one end of the rotating knob 104 to rotate, then the chain wheel 106 drives the chain wheel 106 at one end of the two threaded rods 101 to rotate respectively through the chain, the threaded rod 101 drives the threaded rod 101 to rotate, when the threaded rod 101 moves in the limiting holes 202, the sliding rod 102 slides in the corresponding limiting holes 202, the sliding rod 102 with the longer central position of the upper shell 1 is inserted into the limiting holes 202 at the central position of the lower shell 2 and penetrates through the lower shell 2, the upper shell 1 and the lower shell 2 are connected together, after the connection of the threaded rod 101 and the sliding rod 102 is completed, the rotating knob 104 is manually inserted into the first screw through hole 105 to enable the rotating knob 104 to be fixed with the upper shell 1, then the limiting piece 205 is manually sleeved at one end of the central position 102 of the upper shell 1 through the threaded connection mode, the fixing bolt is inserted into the second screw through the limiting hole 204 to enable the limiting piece 205 to be fixed with the lower shell 2, and the first puncture blade 3 is simultaneously connected with the upper shell 1 and the lower shell 2, and the first puncture blade 3 is clamped by the first puncture blade 3 and the first puncture blade 201.

Although embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the application, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an insulating puncture ground clamp, includes casing (1), lower casing (2), is used for the fixed first fixture (3) of cable top centre gripping and is used for the fixed second fixture (4) of cable both sides centre gripping, its characterized in that: the first clamping mechanism (3) comprises a telescopic column (301), a clamp (303) used for clamping a cable is fixedly arranged at one end of the telescopic column (301), and a spring (302) used for adjusting the position of the clamp (303) is wound on the surface of the telescopic column (301).

2. The insulation piercing ground clip of claim 1, wherein: the cable grounding device is characterized in that first placing grooves (103) used for penetrating through cables and grounding rings are uniformly formed in the lower surface of the upper shell (1), and the first clamping mechanism (3) is located inside the first placing grooves (103).

3. An insulation piercing ground clip as defined in claim 2, wherein: one side of first standing groove (103) is provided with threaded rod (101), the top swing joint of last casing (1) has knob (104), first screw via hole (105) have all been seted up on the surface of knob (104) and last casing (1), be connected with fixing bolt between knob (104) and the last casing (1), the one end of threaded rod (101) and knob (104) all is connected with sprocket (106), and is connected with the chain between sprocket (106) that both are connected.

4. An insulation piercing ground clamp as defined in claim 3, wherein: one side of the threaded rod (101) is fixedly provided with a plurality of sliding rods (102), and one of the sliding rods (102) is positioned in the center of the upper shell (1), and the surface of one end of the sliding rod (102) is provided with threads and penetrates through the lower shell (2).

5. The insulation piercing ground clip of claim 4, wherein: the utility model discloses a puncture device, including casing (2) under, second standing groove (206) have evenly been seted up on the surface of casing (2) down, second fixture (4) are located the inside of second standing groove (206), the even fixed mounting in surface of second fixture (4) inner wall has first puncture blade (201), spacing hole (202) have evenly been seted up on the upper surface of casing (2) down, the quantity of spacing hole (202) is a plurality of, and one of them is located spacing hole (202) of casing (2) central point under and puts and runs through casing (2).

6. The insulation piercing ground clip of claim 5, wherein: the limiting device is characterized in that the limiting hole (202) is relatively aligned with the sliding rod (102) and the threaded rod (101), one end of the sliding rod (102) located at the center of the upper shell (1) penetrates through the limiting hole (202) located at the center of the lower shell (2) to be connected with a limiting piece (205) in a threaded mode, second screw through holes (204) are formed in the surface of the limiting piece (205) and the lower surface of the lower shell (2), and the limiting piece (205) is connected with the lower shell (2) through fixing bolts.

7. The insulation piercing ground clip of claim 1, wherein: and rubber strips (304) for waterproofing are fixedly arranged at the two ends of the clamp (303).

8. The insulation piercing ground clip of claim 1, wherein: the surface of the clamp (303) in the first clamping mechanism (3) is uniformly and fixedly provided with a second puncture blade (305), and the inner side surface of the clamp (303) in the second clamping mechanism (4) is nested with a rubber gasket (203) for protecting the cable surface.