CN220797117U

CN220797117U - Anti-drop wiring lead structure for low-voltage electrical safety test

Info

Publication number: CN220797117U
Application number: CN202322557288.XU
Authority: CN
Inventors: 蔡晓楠
Original assignee: Xinjiang Zhengde Safety Technology Co ltd
Current assignee: Xinjiang Zhengde Safety Technology Co ltd
Priority date: 2023-09-20
Filing date: 2023-09-20
Publication date: 2024-04-16
Anticipated expiration: 2033-09-20

Abstract

The utility model relates to an anti-drop wiring lead structure for a low-voltage electrical safety test, which comprises a cable and a wiring nose, wherein the wiring nose comprises a sleeve column assembly, a threaded pipe and a wire fixing assembly, external threads are arranged on the outer wall of the threaded pipe, openings are formed at two ends of the wire fixing assembly, the top end of the wire fixing assembly is sleeved on the threaded pipe and is in threaded connection with the threaded pipe, and an elastic part which extends into the inner cavity of the threaded pipe and is adjusted in shape by the threaded pipe is formed at the inner bottom of the wire fixing assembly. According to the utility model, through the arrangement of the wire fixing component in the wire connecting nose, the cable end part is convenient to adjust and clamp the wire fixing component by using the clamping sleeve after passing through the wire fixing component, so that the cable and the wire connecting nose can be conveniently connected and used, the loose separation of the cable end part and the wire connecting nose is avoided, in addition, the time required by a test person for connecting the wire connecting nose and the cable is shortened, and the wire connecting nose is convenient to detach after being used, so that the wire connecting nose is convenient to use in a low-voltage electrical test.

Description

Anti-drop wiring lead structure for low-voltage electrical safety test

Technical Field

The utility model relates to the technical field of electrical wiring structures, in particular to an anti-drop wiring lead structure for a low-voltage electrical safety test.

Background

In the low-voltage electric safety examination, an examination person needs to conduct wiring operation in the actual operation examination to examine the actual operation capability of the examination person. And when the wiring operation is carried out in the examination process, the wiring terminal of the required equipment can be connected by using a connecting cable and a wiring copper nose.

During operation, test personnel need peel the end of connecting cable, make it expose the inner core of one section cable, then stretch into the wiring copper nose with the end of cable to utilize the instrument to compress tightly the wiring copper nose and fix the cable end, then can overlap the wiring copper nose at the wiring end of required junction device, and utilize nut and wiring end to screw can fix the wiring copper nose at the wiring end and accomplish wiring operation.

The above-mentioned connecting cable and wiring copper nose have following drawbacks: when connecting cable and wiring copper nose, need additionally use the instrument to compress tightly the wiring copper nose and fix on connecting cable for the connection between them is fixed less convenient, and has the wiring copper nose to compress tightly and make the production between connecting cable and the wiring copper nose not loosen even drop more easily.

Disclosure of utility model

(One) solving the technical problems

The utility model provides an anti-drop wiring lead structure for a low-voltage electrical safety test, which solves the problems that when a connecting cable and a wiring copper nose are connected, the wiring copper nose is required to be pressed and fixed on the connecting cable by an additional tool, so that the connection and the fixation of the connecting cable and the wiring copper nose are inconvenient, and the problem that the wiring copper nose is not pressed and loosens and drops between the connecting cable and the wiring copper nose is easy to exist.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a low pressure electrical safety test is with anticreep wiring wire structure, includes cable and wiring nose, the wiring nose includes sleeve subassembly, screwed pipe and solidus subassembly, be provided with the external screw thread on the outer wall of screwed pipe, gu both ends of line subassembly all are formed with the opening, and gu the top cover of line subassembly establish on the screwed pipe and threaded connection with it, gu the interior bottom of line subassembly is formed with the elasticity portion that stretches into the screwed pipe inner chamber and be adjusted the shape by the screwed pipe, sleeve subassembly's bottom is formed with the opening, and sleeve subassembly's bottom is fixed on the top of screwed pipe, the tip of cable passes gu line subassembly and screwed pipe and stretches into in the sleeve subassembly.

Preferably, the wire fixing assembly comprises a connecting sleeve with openings communicated with the inner cavity of the connecting sleeve, the top of the connecting sleeve is fixedly connected with a threaded sleeve with internal threads, the inner bottom of the connecting sleeve is fixedly connected with a clamping sleeve, a plurality of groups of grooves are formed in the outer wall of the clamping sleeve, and the clamping sleeve provided with the plurality of groups of grooves forms an elastic part of the threaded tube.

In a further preferred embodiment, the clamping sleeve is provided in a truncated cone shape, and the diameter of the top section of the clamping sleeve is smaller than the inner diameter of the threaded pipe, and the diameter of the bottom section of the clamping sleeve is larger than the inner diameter of the threaded pipe.

In a further preferred embodiment, the sleeve column assembly includes a sleeve sheet, a convex column and an adjusting seat, a slot is formed in the middle of the adjusting seat, and the bottom of the sleeve sheet extends into the slot and is rotationally connected with the adjusting seat by the convex column.

In a further preferred embodiment, the sleeve column assembly further includes a locking sleeve, one end of the convex column, which is opposite to the sleeve sheet, penetrates out of the slot, and an external thread is provided on the outer wall, and the locking sleeve is in threaded connection with the convex column.

In a further preferred embodiment, the sleeve assembly further comprises a resistance pad that is sleeved over the post and between the tab and the locking sleeve.

(III) beneficial effects

Compared with the prior art, the utility model provides the anti-drop wiring lead structure for the electrical safety test of the low voltage, which has the following beneficial effects:

1. According to the utility model, through the arrangement of the wire fixing component in the wire connecting nose, the cable end part is convenient to adjust and clamp the wire fixing component by using the clamping sleeve after passing through the wire fixing component, so that the cable and the wire connecting nose can be conveniently connected and used, the loose separation of the cable end part and the wire connecting nose is avoided, in addition, the time required by a test person for connecting the wire connecting nose and the cable is shortened, and the wire connecting nose is convenient to detach after being used, so that the wire connecting nose is convenient to use in a low-voltage electrical test.

2. According to the utility model, through the arrangement of the self structure of the sleeve column assembly in the wiring nose, the wiring position of the cable is conveniently changed by adjusting the orientation of the sleeve sheet when wiring is used, so that wiring operation and arrangement of the cable are conveniently carried out.

Drawings

FIG. 1 is a schematic diagram of an anti-drop wiring lead structure according to an embodiment;

FIG. 2 is a schematic structural view of a junction block according to an embodiment;

FIG. 3 is an exploded view of a junction block according to an embodiment;

fig. 4 is a schematic diagram of a structure of a connecting sleeve and a clamping sleeve according to an embodiment after half-cut.

In the figure: 10. a cable; 20. a junction nose; 21. a sleeve column assembly; 211. a sleeve piece; 212. a convex column; 213. an adjusting seat; 214. a slot; 215. a resistance pad; 216. a locking sleeve; 22. a threaded tube; 23. a wire fixing assembly; 231. a thread sleeve; 232. connecting sleeves; 233. a clamping sleeve; 234. and (5) grooving.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 4, an anti-drop wiring lead structure for electrical safety test of a low voltage comprises a cable 10 and a wiring nose 20. Wherein both ends or at least one end of the cable 10 is connected to the terminal lug 20 so that it can be used for connection with test equipment in examination and detecting accuracy of wiring after all wiring operations are completed.

In this embodiment, the cable 10 may be a cable with an independent copper core, or a cable with a core with more copper wires. When the cable 10 uses a cable with more copper wires as the inner core, the plurality of copper wires exposed after the end of the cable 10 is peeled need to be twisted together to form a group of thicker end parts which can be connected with the junction nose 20 in an adapting way.

Referring to fig. 2 and 3, the terminal lug 20 includes a socket assembly 21, a threaded tube 22, and a wire fixing assembly 23. The bottom end of the sleeve column assembly 21 is provided with an opening, and the sleeve column assembly 21 is used for contacting with the end part of the cable 10 and is used for being sleeved on a terminal of test equipment for connection. External threads are provided on the outer wall of the threaded tube 22, and the top end of the threaded tube 22 is secured to the bottom end of the sleeve assembly. Openings are formed at two ends of the wire fixing assembly 23, the top end of the wire fixing assembly 23 is sleeved on the threaded pipe 22 and is in threaded connection with the threaded pipe, and the end of the cable 10 penetrates through the wire fixing assembly 23 and the threaded pipe 22 and stretches into the sleeve column assembly 21. The inner bottom of the wire fixing assembly 23 is formed with an elastic portion which extends into the inner cavity of the threaded tube 22 and is adjusted in shape by the threaded tube 22 when the wire fixing assembly 23 moves along the axial direction of the threaded tube 22, so that the cable 10 passing through is fixed after the elastic portion is deformed.

In this embodiment, post assembly 21 may include a tab 211, a boss 212, an adjustment seat 213, a resistance pad 215, and a locking sleeve 216. The bottom of the adjustment seat 213 is formed with an opening so that the end of the cable 10 can extend into the interior cavity of the adjustment seat 213. The middle part of adjusting seat 213 is formed with slot 214, and the bottom of cover piece 211 stretches into in the slot 214, and the one end of projection 212 passes slot 214 and with cover piece 211 welded connection for cover piece 211 can utilize between projection 212 and the adjusting seat 213 to rotate, thereby can adjust the position and the direction of arranging of cable 10 when the wiring uses. A resistance pad 215 is sleeved on the convex column 212 and is positioned between the sleeve piece 211 and the locking sleeve 216, and the resistance pad 215 is arranged as a rubber pad. One end of the boss 212, which is opposite to the sleeve piece 211, passes through the slot 214, and an external thread is arranged on the outer wall of the end of the boss 212, the locking sleeve 216 is in threaded connection with the boss 212, and the resistance pad 215 is pressed against the adjusting seat 213, so that after the sleeve piece 211 is adjusted to an inclined angle, the friction resistance between the resistance pad 215 and the adjusting seat 213 when the locking sleeve 216 is screwed with the boss 212 can be utilized to reduce the movement of the boss 212 and the sleeve piece 211. The sleeve piece 211 is provided with a round hole, so that the sleeve piece 211 can be sleeved on the wiring terminal during wiring, and the sleeve piece 211 is clamped by screwing the nut and the wiring terminal. The sleeve piece 211, the convex column 212 and the adjusting seat 213 are made of conductive metal materials.

Referring to fig. 4, the wire fixing assembly 23 includes a screw sleeve 231, a connecting sleeve 232, and a clamping sleeve 233. Openings communicated with the inner cavity of the connecting sleeve 232 are formed at the top and the bottom of the connecting sleeve 232, and the inner wall of the threaded sleeve 231 is provided with internal threads and is fixed at the top of the connecting sleeve 232. The clamping sleeve 233 is fixed at the inner bottom of the connecting sleeve 232, and a plurality of groups of slots 234 are formed on the outer wall of the clamping sleeve 233, the clamping sleeve 233 is made of plastic, and the clamping sleeve 233 provided with the plurality of groups of slots 234 forms an elastic part of the threaded pipe 22, so that the elastic part is deformed when being extruded and can clamp the cable 10 passing through the elastic part. The clamping sleeve 233 is in a truncated cone shape, the diameter of the top section of the clamping sleeve 233 is smaller than the inner diameter of the threaded pipe 22, and the diameter of the bottom section of the clamping sleeve 233 is larger than the inner diameter of the threaded pipe 22, so that the clamping sleeve 233 can move along with the threaded sleeve 231 and be extruded by the inner wall of the threaded pipe 22 to deform when the threaded sleeve 231 is screwed upwards along the threaded pipe 22.

The user can peel off the end of the cable 10 and make the exposed core of a length similar to the length of the lug 20. The inner core at the end of the cable 10 may then be passed through the securing assembly 23 and threaded tube 22 and into the cavity of the adjustment seat 213 in the post assembly 21. The cord set 23 may then be rotated such that the threaded sleeve 231, after being threaded up the threaded tube 22, clamps the inner core of the cable 10 passing through the cord set 23 in place. Finally, the user can perform a wiring operation at the terminals of the test apparatus using the cable 10 to which the terminal lugs 20 are connected.

In all the above mentioned solutions, in which the connection between two components can be chosen according to the actual situation, a welded, bolt-and-nut-fitted connection, a bolt-or-screw connection or other known connection means, which are not described in detail herein, where reference is made to a written fixed connection, the preferred consideration is welding, although embodiments of the utility model have been shown and described, it will be understood by those skilled in the art that numerous variations, modifications, substitutions and alterations can be made to these embodiments without departing from the principle and spirit of the utility model, the scope of which is defined by the appended claims and their equivalents.

Claims

1. The utility model provides a low pressure electrical safety is anti-disengaging wiring wire structure for examination, includes cable (10) and wiring nose (20), its characterized in that, wiring nose (20) are including sleeve subassembly (21), screwed pipe (22) and solidus subassembly (23), be provided with the external screw thread on the outer wall of screwed pipe (22), the both ends of solidus subassembly (23) all are formed with the opening, and the top cover of solidus subassembly (23) is established on screwed pipe (22) and is screwed connection with it, the interior bottom of solidus subassembly (23) is formed with the elasticity portion that stretches into screwed pipe (22) inner chamber and by screwed pipe (22) adjustment shape, the bottom of sleeve subassembly (21) is formed with the opening, and the bottom of sleeve subassembly (21) is fixed on the top of screwed pipe (22), the tip of cable (10) is passed solidus subassembly (23) and screwed pipe (22) and is stretched into in sleeve subassembly (21).

2. The anti-drop wiring lead structure for electrical safety tests of claim 1, wherein: the wire fixing assembly (23) comprises a connecting sleeve (232) with openings communicated with an inner cavity of the connecting sleeve (232) at the top and the bottom, a threaded sleeve (231) with internal threads is fixedly connected to the top of the connecting sleeve (232), a clamping sleeve (233) is fixedly connected to the inner bottom of the connecting sleeve (232), a plurality of groups of grooves (234) are formed in the outer wall of the clamping sleeve (233), and the clamping sleeve (233) provided with the plurality of groups of grooves (234) forms an elastic part of the threaded tube (22).

3. The anti-drop wiring lead structure for electrical safety tests of claim 2, wherein: the clamping sleeve (233) is in a truncated cone shape, the diameter of the top section of the clamping sleeve (233) is smaller than the inner diameter of the threaded pipe (22), and the diameter of the bottom section of the clamping sleeve (233) is larger than the inner diameter of the threaded pipe (22).

4. A drop-proof wiring lead structure for use in electrical safety tests for use in a low voltage as claimed in any one of claims 1 to 3, wherein: the sleeve column assembly (21) comprises a sleeve sheet (211), a convex column (212) and an adjusting seat (213), a slot (214) is formed in the middle of the adjusting seat (213), and the bottom of the sleeve sheet (211) stretches into the slot (214) and is rotationally connected with the adjusting seat (213) by the convex column (212).

5. The anti-drop wiring lead structure for electrical safety tests of claim 4, wherein: the sleeve column assembly (21) further comprises a locking sleeve (216), one end, back to the sleeve piece (211), of the convex column (212) penetrates out of the slot (214), external threads are arranged on the outer wall of the slot, and the locking sleeve (216) is in threaded connection with the convex column (212).

6. The anti-drop wiring lead structure for electrical safety tests of claim 5, wherein: the sleeve column assembly (21) further comprises a resistance pad (215), and the resistance pad (215) is sleeved on the convex column (212) and is positioned between the sleeve piece (211) and the locking sleeve (216).