Weak current cable connector

Abstract

The utility model belongs to the technical field of cable connecting devices, and particularly relates to a weak current cable connector, which is characterized in that a clamping block is matched with a conical circular groove, so that a cable can be firmly fixed by the connector, the connection strength of the cable is increased, the situations that the cable falls off and is unstable in connection are avoided, the connection stability of the connector is improved, and the service life of the connector is prolonged. Meanwhile, the pulling resistance of the cable is improved, due to the fact that threaded connection has the one-way locking characteristic, friction between the threading groove and the cable can be increased through the friction groove, the cable can be firmly fixed by the clamping blocks, the reliability of the connector is further improved, the cable can be in a slightly-bent state between the two clamping blocks through the elastic pulling piece and the arc-shaped fork, and the cable is prevented from being damaged. The cable is prevented from being pulled when the clamping blocks move towards the two ends, meanwhile, a transparent cover plate facilitates observation of the interior of the connector during maintenance by workers, and convenience is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of cable connection devices, and in particular relates to a weak-current cable connector. Background Art

[0002] The connection of weak-current cables usually requires the use of connectors. However, the connectors currently on the market generally lack limiting fixing devices when connecting weak-current cables, resulting in the inability to fix the weak-current cables. Due to the low strength of the cable joints, they often fall off when shaken or pulled, resulting in an unstable connection. Utility Model Content

[0003] The purpose of the utility model is to provide a weak-current cable connector to solve the problems mentioned in the background technology.

[0004] In order to achieve the above technical purpose, the technical solution adopted by the utility model is as follows:

[0005] A low-voltage cable connector comprises a connector shell, with wire threading tubes installed on the left and right sides of the connector shell, the wire threading tubes are connected to the inner side of the connector shell, the connector shell is cylindrical as a whole, and conical circular grooves are provided on the left and right sides of the interior, a mounting opening is provided on the upper side of the connector shell, and two clamping blocks symmetrically distributed on the left and right and matching the conical circular grooves are installed on the inner side of the connector shell, a wire threading groove is provided in the middle of the clamping block, and a contraction notch is provided on the clamping block and one side of the wire threading groove, and a telescopic component is installed in the middle of the two clamping blocks.

[0006] The telescopic assembly includes two left and right circular rings, a plurality of circumferentially distributed connecting rods are connected between the two circular rings, a plurality of circumferentially distributed grooves are provided on the outer side of the circular rings, a plurality of left and right oriented sliding grooves are provided on the inner wall of the connector housing, a threaded ring is installed on the upper side of the sliding groove for left and right sliding, the threaded ring is threadedly connected to the circular ring located on the right side, and one side of the threaded ring abuts against the clamping block.

[0007] A plurality of friction grooves are arranged on the inner side of the threading groove and are spaced apart from each other.

[0008] A pull tab is connected to one side of the clamping block close to the middle.

[0009] The pull tab is an elastic pull tab, an arc-shaped fork is fixed at one end of the pull tab, and the left and right pull tabs are in the same symmetrical position.

[0010] A plurality of mounting grooves are evenly arranged on the upper side of the mounting opening, a transparent cover plate is mounted on the upper side thereof, and a plurality of buckles matching the mounting grooves are mounted on the lower side of the transparent cover plate.

[0011] The cooperation between the clamping block and the tapered circular groove enables the connector to firmly fix the cable, increase the connection strength of the cable, avoid the cable from falling off and the unstable connection, improve the connection stability of the connector, and increase the cable's anti-pulling ability. Since the threaded connection has a one-way locking characteristic, the threaded connection between the threaded ring and the circular ring makes the telescopic assembly structure simple and reliable. The circular ring and the connecting rod can provide a large space inside the connector housing to facilitate the staff to connect the wires and other operations. The groove can increase the friction of the circular ring for easy use. The friction groove can increase the friction between the threading groove and the cable, so that the cable can be firmly fixed by the clamping block, further improving the reliability of the connector. The pull tab facilitates pulling the clamp to the middle, improving the convenience of the connector. The elastic pull tab and the arc fork can make the cable slightly bent between the two clamping blocks, preventing the clamping block from pulling the cable when moving to both ends. The transparent cover can be used to protect the cables inside the connector housing. At the same time, the transparent cover facilitates the staff to observe the inside of the connector during maintenance, thereby improving convenience. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The present invention can be further described by the non-limiting embodiments given in the accompanying drawings.

[0013] Figure 1 It is a structural schematic diagram of the utility model.

[0014] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model.

[0015] Figure 3 It is a schematic cross-sectional structure diagram of the utility model from another angle.

[0016] Connector housing 1, threading tube 2, conical circular groove 3, clamping block 4, threading groove 5, shrinkage notch 6, installation opening 7, circular ring 8, connecting rod 9, groove 10, slide groove 11, threaded ring 12, friction groove 13, pull tab 14, arc fork 15, installation groove 16, buckle 17, transparent cover 18. DETAILED DESCRIPTION

[0017] In order to enable those skilled in the art to better understand the present invention, the technical solution of the present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0018] like Figure 1-3As shown, a low-current cable connector includes a connector shell 1, and wire threading tubes 2 are installed on the left and right sides of the connector shell 1. The wire threading tubes 2 are connected to the inner side of the connector shell 1. The connector shell 1 is cylindrical as a whole, and conical circular grooves 3 are opened on the left and right sides of the interior. A mounting opening 7 is opened on the upper side of the connector shell 1, and two clamping blocks 4 that are symmetrically distributed on the left and right and match the conical circular grooves 3 are assembled on the inner side of the connector shell 1. A wire threading groove 5 is opened in the middle of the clamping block 4, and a contraction notch 6 is opened on one side of the clamping block 4 and the wire threading groove 5, and a telescopic component is installed in the middle of the two clamping blocks 4.

[0019] When the utility model is in use, the two weak-current cables to be connected are respectively inserted into the connector housing 1 from the threading tubes 2 on the left and right sides. After the two cables are connected, the two cables on the left and right sides are respectively placed inside the corresponding threading grooves 5. After the cables are adjusted to a suitable position, the telescopic components are controlled to move the clamping blocks 4 on the left and right sides toward both ends. The clamping blocks 4 have a certain elasticity. When moving toward both sides, due to the extrusion of the conical circular groove 3, the contraction notch 6 gradually shrinks, and the cables are clamped by the threading groove 5.

[0020] The cooperation between the clamping block 4 and the conical circular groove 3 enables the connector to firmly fix the cable, increase the connection strength of the cable, avoid the cable from falling off and the unstable connection, improve the connection stability of the connector, and increase the cable's anti-pulling ability.

[0021] The telescopic assembly includes two left and right circular rings 8, a plurality of circumferentially distributed connecting rods 9 are connected between the two circular rings 8, a plurality of circumferentially distributed grooves 10 are provided on the outer side of the circular ring 8, a plurality of left and right oriented slide grooves 11 are provided on the inner wall of the connector housing 1, a threaded ring 12 is slidably installed on the upper side of the slide groove 11, the threaded ring 12 is threadedly connected to the circular ring 8 located on the right side, and one side of the threaded ring 12 abuts against the clamping block 4.

[0022] Since the threaded ring 12 is threadedly connected to the circular ring 8, when the telescopic assembly is in use, the circular ring 8 only needs to be rotated to extend the telescopic assembly and push the clamping blocks 4 on the left and right sides outward, and the telescopic assembly can be retracted by simply rotating it in the opposite direction.

[0023] Since the threaded connection has a one-way locking feature, the threaded connection between the threaded ring 12 and the circular ring 8 makes the telescopic assembly structure simple and reliable. The circular ring 8 and the connecting rod 9 can provide a larger space inside the connector housing 1 to facilitate operations such as wiring by the staff. The groove 10 can increase the friction of the circular ring 8 for easy use.

[0024] A plurality of friction grooves 13 are arranged on the inner side of the threading groove 5 and are spaced apart from each other.

[0025] The friction groove 13 can increase the friction between the threading groove 5 and the cable, so that the cable can be firmly fixed by the clamping block 4, further improving the reliability of the connector.

[0026] A pull tab 14 is connected to one side of the clamping block 4 close to the middle.

[0027] When the connector is installed or disassembled for inspection and repair, the clamping block 4 may be located at the left and right ends of the connector. The pull tab 14 facilitates the clamping device to be pulled toward the middle, thereby improving the convenience of the connector.

[0028] The pull tab 14 is an elastic pull tab 14 , an arc-shaped fork 15 is fixed to one end of the pull tab 14 , and the left and right pull tabs 14 are in the same symmetrical position.

[0029] After connecting the cable, place the cable inside the arc fork 15. The elastic pull tab 14 and the arc fork 15 can make the cable slightly bent between the two clamping blocks 4, preventing the clamping blocks 4 from pulling the cable when moving toward both ends, thereby improving the reliability of the connector.

[0030] A plurality of mounting grooves 16 are formed on the upper side of the mounting opening 7 , a transparent cover plate 18 is mounted on the upper side thereof, and a plurality of buckles 17 matching the mounting grooves 16 are mounted on the lower side of the transparent cover plate 18 .

[0031] After the cable is used, the buckle 17 and the installation groove 16 are used to fix the transparent cover 18. The transparent cover 18 can be used to shield and dustproof the interior of the connector housing 1 and protect the internal cables. At the same time, the transparent cover 18 makes it convenient for the staff to observe the inside of the connector during maintenance, thereby improving convenience.

[0032] The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. Anyone familiar with the technology may modify or change the above embodiments without violating the spirit and scope of the present invention. Therefore, all equivalent modifications or changes made by those with ordinary knowledge in the relevant technical field without departing from the spirit and technical ideas disclosed in the present invention shall still be covered by the claims of the present invention.

Claims

1. A weak current cable connector, comprising a connector housing, characterized in that: A wire threading tube is installed on the left and right sides of the connector shell, and the wire threading tube is connected to the inner side of the connector shell. The connector shell is cylindrical as a whole, and conical circular grooves are provided on the left and right sides of the interior. A mounting opening is provided on the upper side of the connector shell, and two clamping blocks symmetrically distributed on the left and right and matching the conical circular grooves are installed on the inner side of the connector shell, a wire threading groove is provided in the middle of the clamping block, and a contraction notch is provided on the clamping block and one side of the wire threading groove, and a telescopic component is installed in the middle of the two clamping blocks.

2. A weak current cable connector according to claim 1, characterized in that: The telescopic assembly includes two left and right circular rings, a plurality of circumferentially distributed connecting rods are connected between the two circular rings, a plurality of circumferentially distributed grooves are provided on the outer side of the circular rings, a plurality of left and right oriented sliding grooves are provided on the inner wall of the connector housing, a threaded ring is installed on the upper side of the sliding groove for left and right sliding, the threaded ring is threadedly connected to the circular ring located on the right side, and one side of the threaded ring abuts against the clamping block.

3. A weak current cable connector according to claim 1, characterized in that: A plurality of friction grooves are arranged on the inner side of the threading groove and are spaced apart from each other.

4. A weak current cable connector according to claim 1, characterized in that: A pull tab is connected to one side of the clamping block close to the middle.

5. A weak current cable connector according to claim 4, characterized in that: The pull tab is an elastic pull tab, an arc-shaped fork is fixed at one end of the pull tab, and the left and right pull tabs are in the same symmetrical position.

6. A weak current cable connector according to claim 1, characterized in that: A plurality of mounting grooves are evenly arranged on the upper side of the mounting opening, a transparent cover plate is mounted on the upper side thereof, and a plurality of buckles matching the mounting grooves are mounted on the lower side of the transparent cover plate.

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