Insulation piercing wire clamp with good sealing performance
By designing an insulating puncture clamp with a sealed component structure, the problem of large contact area between the external and internal environments and low safety in existing technologies is solved, achieving better sealing effect and safety.
Patent Information
- Application Number
- CN202520450303.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-14
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-03-14
AI Technical Summary
The existing insulation puncture clamp has a small contact area between the outer side and the cable, resulting in a large exposed contact area between the internal and external environments. External liquids come into contact with silicone grease, which is not very safe.
A sealed insulating piercing clamp comprising an upper insulating cover and a lower insulating cover was designed. It employs an inner and outer ring sealing assembly, which is fixed by the engagement of a protrusion and a fastening groove, combined with the connection of a threaded rod, to achieve the fixation and sealing of the cable and enhance the sealing performance of the internal environment.
It effectively reduces the contact area between the internal and external environments, improves safety, enhances the sealing effect, and prevents external liquids from contacting the silicone grease.
Smart Images
Figure CN223884642U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of insulation puncture line clamp, specifically relates to an insulation puncture line clamp with good sealing performance. BACKGROUND
[0002] The insulation puncture line clamp is mainly composed of a reinforced shell, a puncture blade, a sealing gasket, waterproof silicon grease, a high-strength bolt, a torque nut and a cable terminal cap, when the cable needs to be branched or connected, the cable branch terminal is inserted into the waterproof terminal cap, the main line branch position is determined, the torque nut on the line clamp is screwed by a socket wrench, the contact blade will pierce the cable insulation layer and contact the conductor in the process, the sealing gasket is pressed around the pierced position of the cable, the silicon grease in the shell overflows, when the torque reaches the set value, the torque nut mechanism falls off, the main line and the branch line are connected, and the waterproof performance and the electrical effect reach the standard required parameters.
[0003] The outer side of the existing insulation puncture line clamp has a small contact area with the cable, resulting in a large exposed contact area between the internal environment and the external environment during use, liquid in the external environment contacts the silicon grease, and the safety is not high. CONTENT OF THE UTILITY MODEL
[0004] TECHNICAL PROBLEM
[0005] In view of the above-mentioned defects in the prior art, the utility model provides an insulation puncture line clamp with good sealing performance, which can effectively solve the problem that the internal environment and the external environment have a large exposed contact area, liquid in the external environment contacts the silicon grease, and the safety is not high.
[0006] TECHNICAL SCHEME
[0007] In order to achieve the above-mentioned purposes, the utility model realizes the following technical scheme:
[0008] The utility model provides an insulation puncture line clamp with good sealing performance, which comprises an upper insulation cover and a lower insulation cover, the middle part of the upper insulation cover is fixed with a threaded cylinder, the inner sides of the upper insulation cover and the lower insulation cover are fixed with puncture assemblies, the puncture assemblies comprise two groups of positioning blocks and a connecting frame fixed to the top of the two groups of positioning blocks, the side walls of the upper insulation cover and the lower insulation cover are fixed with clamping grooves, each group of positioning blocks is clamped in the clamping groove, the middle part of the positioning block is provided with a puncture piece, the middle part of the lower insulation cover is provided with a circular hole groove structure, the lower insulation cover and the upper insulation cover are fixedly connected through a threaded rod, the side walls of the upper insulation cover and the lower insulation cover are fixed with sealing assemblies, the sealing assemblies comprise an inner ring and an outer ring, the inner ring is fixed to the side walls of the upper insulation cover and the lower insulation cover, the outer side of the inner ring is fixed with a fastening groove, the inner side wall of the outer ring is fixed with a protruding block, and the protruding block and the fastening groove are clamped and fixed.
[0009] Further, the clamping groove is in an arc shape, and an arc-shaped contact block is fixed to the outer side wall of the positioning block, and the bottom end of the contact block is in contact with the clamping groove.
[0010] Further, the connecting frame is fixed to the top end of the two groups of positioning blocks, and a positioning groove is formed in the middle of the connecting frame, and the threaded rod penetrates the positioning groove.
[0011] Further, the inner diameter of the outer ring on both sides is smaller than the outer diameter of the insulating cover structure, and the outer rings are fixedly connected through the connecting plate.
[0012] Further, the positioning block is in a hollow structure, and the two sides of the positioning block are in an arc-shaped groove structure, and the puncture piece protrudes out of the groove body of the positioning block.
[0013] Further, a threaded groove structure is formed in the inner side wall of the threaded cylinder.
[0014] Beneficial effects
[0015] Compared with the known prior art, the technical scheme of the utility model has the following beneficial effects:
[0016] The sealing assembly structure is fixedly connected with the outer side walls of the upper and lower insulating covers through the inner ring, so that the outer ring can be clamped and fixed through the fastening groove of the inner ring, and the upper and lower insulating covers are fixedly connected with the cable inside, the smaller inner diameter can be fixedly connected with the cable, the clamping groove in the insulating cover can be clamped and fixed with the positioning block structure with the contact block, the puncture piece structure protruding in the positioning block can facilitate the puncture operation of the cable, the upper and lower insulating cover structures are fixedly connected through the threaded rod, the end of the threaded rod is engaged and fixed with the threaded cylinder, and the outer ring structure can assist in sealing the internal environment. BRIEF DESCRIPTION OF DRAWINGS
[0017] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description. Obviously, the drawings in the following description are only some embodiments of the utility model, and those skilled in the art can obtain other drawings according to these drawings without creating any creative labor.
[0018] Figure 1 It is a structural schematic view of the utility model;
[0019] Figure 2 It is a structural split view of the utility model;
[0020] Figure 3 is a structure exploded view of the lower insulation cover and the puncture assembly in the utility model;
[0021] Figure 4 is a structure exploded view of the lower insulation cover and the sealing assembly in the utility model.
[0022] The reference numerals in the drawing respectively represent: 1, upper insulation cover; 11, clamping groove; 12, puncture piece; 2, lower insulation cover; 3, threaded cylinder; 31, threaded rod; 4, sealing assembly; 41, inner ring; 411, fastening groove; 42, outer ring; 421, protruding block; 43, connecting plate; 5, puncture assembly; 51, positioning block; 52, connecting frame; 53, positioning groove; 54, contact block. DETAILED DESCRIPTION
[0023] To make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model below. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0024] The utility model will be further described in combination with the embodiments below.
[0025] Embodiment: an insulation puncture wire clamp with good sealing, referring to the drawings of the utility model Figure 1 - the drawings of the utility model Figure 4 , including upper insulation cover 1 and lower insulation cover 2, the middle part of the upper insulation cover 1 is fixed with threaded cylinder 3, the inner side of the upper insulation cover 1 and lower insulation cover 2 is fixed with puncture assembly 5, the puncture assembly 5 includes two groups of positioning blocks 51 and connecting frame 52 fixed to the top of the two groups of positioning blocks 51, the sidewall of the upper insulation cover 1 and lower insulation cover 2 is fixed with clamping groove 11, each group of positioning blocks 51 is clamped in clamping groove 11, the middle part of positioning block 51 is provided with puncture piece 12, the middle part of lower insulation cover 2 is provided with round hole groove structure, the lower insulation cover 2 and upper insulation cover 1 are fixedly connected through threaded rod 31, the sidewall of the upper insulation cover 1 and lower insulation cover 2 is fixed with sealing assembly 4, the sealing assembly 4 includes inner ring 41 and outer ring 42, the inner ring 41 is fixed to the sidewall of the upper insulation cover 1 and lower insulation cover 2, the outer side of the inner ring 41 is fixed with fastening groove 411, the inner sidewall of the outer ring 42 is fixed with protruding block 421, the protruding block 421 and fastening groove 411 are clamped and fixed;
[0026] The card groove 11 is an arc structure, and the outer side wall of the positioning block 51 is fixed with an arc-shaped contact block 54, the bottom end of the contact block 54 is in contact with the card groove 11; the connecting frame 52 is fixed to the top end of the two groups of positioning blocks 51, and the middle part of the connecting frame 52 is provided with a positioning groove 53, and the threaded rod 31 penetrates the positioning groove 53; the contact block 54 and the card groove 11 structure can realize the auxiliary sealing operation.
[0027] The inner diameter of the outer ring 42 on both sides is smaller than the outer diameter of the insulating cover structure, and the outer ring 42 is fixedly connected through the connecting plate 43; through the sealing assembly 4 structure, the user fixes and connects the inner side wall of the upper insulating cover 1 and the lower insulating cover 2 through the inner ring 41, so that the outer ring 42 can be fixedly connected through the fastening groove 411 of the inner ring 41 and the protruding block 421, and when the upper insulating cover 1 and the lower insulating cover 2 are fastened and connected, the inner cable is fixedly connected, the smaller inner diameter can be fixedly connected with the cable, the card groove 11 in the insulating cover can be fixedly connected with the positioning block 51 structure with the contact block 54, and the piercing piece 12 structure protruding in the positioning block 51 can facilitate the piercing operation of the cable.
[0028] The positioning block 51 is a hollow structure, and the two sides of the positioning block 51 are arc-shaped groove structures, and the piercing piece 12 protrudes out of the groove body of the positioning block 51; the inner side wall of the threaded cylinder 3 is provided with a threaded groove structure; and the upper insulating cover 1 and the lower insulating cover 2 structure are connected and fixed through the threaded rod 31, the end of the threaded rod 31 is engaged and fixed with the threaded cylinder 3, and the outer ring 42 structure can play an auxiliary sealing effect on the internal environment.
[0029] The above embodiments are only used to illustrate the technical solutions of the present application, but not limited thereto; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced by equivalents; and these modifications or replacements will not make the essence of the corresponding technical solutions deviate from the protection scope of the technical solutions of the embodiments of the present application.
Claims
1. An insulated piercing clamp having a good seal, characterized by, The utility model provides an improved safety needle, which comprises an upper insulating cover (1) and a lower insulating cover (2), a threaded cylinder (3) is fixed in the middle of the upper insulating cover (1), a puncture assembly (5) is fixed to the inner side of the upper insulating cover (1) and the lower insulating cover (2), the puncture assembly (5) comprises two groups of positioning blocks (51) and a connecting frame (52) fixed to the top of the two groups of positioning blocks (51), a clamping groove (11) is fixed to the sidewall of the upper insulating cover (1) and the lower insulating cover (2), each group of positioning blocks (51) is clamped in the clamping groove (11), a puncture sheet (12) is arranged in the middle of the positioning block (51), a circular hole groove structure is arranged in the middle of the lower insulating cover (2), the lower insulating cover (2) and the upper insulating cover (1) are fixedly connected through a threaded rod (31), a sealing assembly (4) is fixed to the sidewall of the upper insulating cover (1) and the lower insulating cover (2), the sealing assembly (4) comprises an inner ring (41) and an outer ring (42), the inner ring (41) is fixed to the sidewall of the upper insulating cover (1) and the lower insulating cover (2), a fastening groove (411) is fixed to the outer side of the inner ring (41), a protruding block (421) is fixed to the inner sidewall of the outer ring (42), and the protruding block (421) and the fastening groove (411) are clamped and fixed.
2. The insulated piercing clamp of claim 1, wherein, The clamping groove (11) is in an arc shape, and an arc-shaped contact block (54) is fixed to the outer sidewall of the positioning block (51), and the bottom end of the contact block (54) is in contact with the clamping groove (11).
3. The insulated piercing clamp of claim 1, wherein: The connecting frame (52) is fixed to the top of the two groups of positioning blocks (51), and a positioning groove (53) is arranged in the middle of the connecting frame (52), and the threaded rod (31) penetrates through the positioning groove (53).
4. The insulated piercing clamp of claim 1, wherein, The inner diameter of the outer ring (42) on both sides is smaller than the outer diameter of the insulating cover structure, and the outer rings (42) are fixedly connected through a connecting plate (43).
5. The insulated piercing clamp of claim 4, wherein, The positioning block (51) is in a hollow structure, and the two sides of the positioning block (51) are in an arc-shaped groove structure, and the puncture sheet (12) protrudes out of the groove body of the positioning block (51).
6. The insulated piercing clamp of claim 1, wherein, A threaded groove structure is arranged in the inner sidewall of the threaded cylinder (3).