Ball type cable chuck

Abstract

The utility model discloses a ball type cable chuck which is characterized in that the ball type cable chuck comprises a chuck base, the chuck base is detachably connected with a chuck body, a containing cavity is formed in the chuck body, a movable chuck piece is arranged in the containing cavity, and when the ball type cable chuck is used, a cable is inserted into the containing cavity and is fixedly clamped through the movable chuck piece. The movable chuck piece comprises a bottom ring, a plurality of clamping blocks are integrally formed around the bottom ring, and a clamping cavity is defined by the clamping blocks. The movable chuck piece is arranged in the containing cavity, the pressing balls are arranged in the containing cavity in a matched mode, the clamping blocks on the movable chuck piece are pressed through the pressing balls so that the clamping blocks can contract inwards, due to the rigidity of the pressing balls, the effect that a cable can be held by the clamping cavity more stably is achieved, and the overall strength is better in the using process.

Description

TECHNICAL FIELD

[0001] The utility model belongs to cable technical field, especially, relate to a ball type cable chuck. BACKGROUND

[0002] The cable chuck is used for cable installation, and is used for pulling the cable, and the application number 2023232687962 discloses a split type cable chuck, the cable chuck adopts the movable chuck piece cooperation with the clamp spring piece to clamp the end of the cable, however, because the weight of the cable is heavy, the tension of the cable chuck is very large during construction, the clamp force of the clamp spring piece cooperation with the movable chuck piece to the cable is still not enough, and the cable chuck is easy to fall off. CONTENT OF THE UTILITY MODEL

[0003] The utility model aims at providing a ball type cable chuck to solve the problems in the above background.

[0004] To solve the technical problem, the utility model technical scheme is:

[0005] A ball type cable chuck, including chuck base, chuck body is detachable connected on the chuck base, the chuck body is formed with containing cavity, the containing cavity is provided with movable chuck piece, when using, the cable is inserted into the containing cavity and is fixed and held through the movable chuck piece, the movable chuck piece includes bottom ring, a plurality of clamping blocks are integrally formed around the bottom ring, each clamping block surrounds and forms holding cavity, and the expansion gap is formed between every two adjacent clamping blocks, the setting of the expansion gap makes the holding cavity volume can shrink or expand, and it also includes the compression ball corresponding to each clamping block, one end surface of the compression ball abuts to the side of the clamping block, and the other end surface abuts to the inner wall of the containing cavity;Containing cavity is formed with movable chuck piece necking portion, the movable chuck piece is contracted through the movable chuck piece necking portion, the cable is clamped, and the spring piece is arranged between the chuck base and the movable chuck piece.

[0006] Preferably, the movable chuck piece necking portion is close to the outer end of the containing cavity, so that when the cable is tensioned, the movable chuck piece is contracted during the movement to the outer end of the containing cavity, and the end of the cable is clamped.

[0007] Preferably, the movable chuck piece necking portion includes a guide portion in the shape of a circular truncated cone, the inner diameter of the guide portion gradually decreases from inside to outside, and the outer end of the guide portion extends to form a tightening retaining portion; the inner diameter of the tightening retaining portion is equal everywhere; it also includes an outlet portion provided on the outer end of the tightening retaining portion, the inner diameter of the outlet portion is smaller than the inner diameter of the tightening retaining portion, and the inner diameter of the outlet portion gradually decreases from inside to outside; and a blocking portion is formed at the connecting end face of the outlet portion and the tightening retaining portion, the blocking portion can prevent the compression ball from sliding out and causing the cable to fall off.

[0008] Preferably, the compression ball is abutted to the tightening holding portion when being tightened.

[0009] In the application, the compression ball is arranged to compress each clamping block and to shrink inwardly, and the rigidity of the compression ball makes the clamping cavity hold the cable more stably.

[0010] Preferably, the clamping block is provided with an embedding hole, and one end surface of the compression ball is embedded in the embedding hole.

[0011] Preferably, the inner wall of the clamping block is provided with a stepped barb to increase the friction between the cable and the inner wall of the clamping block.

[0012] Preferably, the clamping head base is provided with a connecting groove, a ball-shaped connecting piece is inserted into the connecting groove, the ball-shaped connecting piece is fixedly connected with a steel wire, and a handle member is arranged on the outer end of the steel wire.

[0013] Preferably, the clamping head body is threadedly connected to the clamping head base.

[0014] The above technical solution has the beneficial effects of the present application:

[0015] The present application is provided with a movable clamping head member in the accommodating cavity, and is provided with a compression ball, the movable clamping head member is compressed by the compression ball, and each clamping block is shrunk inwardly, the rigidity of the compression ball makes the clamping cavity hold the cable more stably, and the overall strength is better during use. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 is a structural schematic view of the present application;

[0017] Fig. 2 is a sectional view of the present application;

[0018] Fig. 3 is a structure view of the movable clamping head member of the present application. DETAILED DESCRIPTION

[0019] As Figs. 1-3 shown, in order to further explain the technical scheme of the present application, the present application will be described in detail through specific embodiments.

[0020] Embodiment 1

[0021] A kind of ball type cable chuck, including chuck base 1, detachably connected with chuck body 2 on the chuck base, the chuck body is screwed in the chuck base in the embodiment, the accommodating cavity 3 is formed in the chuck body, the movable chuck piece 4 is arranged in the accommodating cavity, when using, cable is inserted into the accommodating cavity and is fixed and clamped by the movable chuck piece, the movable chuck piece includes bottom ring 5, a plurality of clamping blocks 6 are integrally formed around the bottom ring, each clamping block surrounds and forms clamping cavity 7, and expansion gap 8 is formed between every two adjacent clamping blocks, the setting of expansion gap makes that clamping cavity volume can be reduced or enlarged, it also includes the compression ball 9 that is set with each clamping block, one end surface of compression ball abuts to the side of clamping block, the other end surface abuts to the inner wall in accommodating cavity, specifically, the clamping block is opened and is connected hole 10, one end surface of the compression ball is embedded in the embedding hole;Accommodating cavity forms movable chuck piece necking portion, by the movable chuck piece necking portion, the movable chuck piece is shrunk, the clamping of cable is realized, spring piece 11 is arranged between chuck base and movable chuck piece, specifically, movable chuck piece necking portion is close to the outer end of accommodating cavity, so that when cable is tensioned, the movable chuck piece is shrunk in the process of moving to the outer end of accommodating cavity, then the end of cable is clamped, and in the embodiment, the movable chuck piece necking portion includes the guide portion 12 of circular truncated cone structure, the inner diameter of guide portion gradually decreases from inside to outside, the outer end of guide portion extends and forms the tightening retaining portion 13;The inner diameter of tightening retaining portion is everywhere equal;It also includes the outlet portion 14 that is set on the outer end of the tightening retaining portion, the inner diameter of outlet portion is less than the inner diameter of tightening retaining portion, and the inner diameter of outlet portion gradually decreases from inside to outside;And the inner face where outlet portion and tightening retaining portion are connected forms the stop portion 15, the setting of stop portion can prevent the phenomenon of cable falling off caused by the sliding of compression ball, and the compression ball abuts to the tightening retaining portion when tightening.This application sets compression ball, and each clamping block is compressed by compression ball and shrinks inward, due to the rigidity of compression ball, the clamping cavity holds cable more stably, the step-shaped barbs 16 are arranged on the inner wall of clamping block;The friction between cable and the inner wall of clamping block is improved, the connecting groove 17 is arranged on the chuck base, the ball-shaped connecting piece 18 is inserted into the connecting groove, the steel wire rope 19 is fixedly connected on the ball-shaped connecting piece, and the handpiece 20 is arranged on the outer end of steel wire rope.

[0022] Although the above describes the specific embodiments of the present application for the purpose of understanding the present application by those skilled in the art, it should be clear that the present application is not limited to the scope of the specific embodiments, and for those skilled in the art, it is obvious that various changes are within the spirit and scope of the present application defined and determined by the appended claims, and all the applications using the concept of the present application are within the scope of protection.

Claims

1. A ball-bearing cable clamp, characterized in that: The device includes a chuck base, on which a chuck body is detachably connected. A receiving cavity is formed within the chuck body, and a movable chuck component is disposed within the receiving cavity. In use, a cable is inserted into the receiving cavity and clamped by the movable chuck component. The movable chuck component includes a base ring, around which several clamping blocks are integrally formed. Each clamping block forms a clamping cavity, and a telescopic gap is formed between adjacent clamping blocks. The telescopic gap allows the volume of the clamping cavity to be reduced or expanded. It also includes clamping balls corresponding to each clamping block, with one end abutting against the side of the clamping block and the other end abutting against the inner wall of the receiving cavity. A constricted portion of the movable chuck component is formed within the receiving cavity, allowing the movable chuck component to contract and clamp the cable. A spring component is disposed between the chuck base and the movable chuck component.

2. The ball-bearing cable clamp according to claim 1, characterized in that: When the movable clamp's constricted portion approaches the outer end of the receiving cavity, and thus tightens the cable, the movable clamp moves towards the outer end of the receiving cavity, where it is retracted and clamps the cable end.

3. A ball-bearing cable clamp according to claim 1, characterized in that: The constricted portion of the movable clamp includes a guide portion with a frustum structure, the inner diameter of which gradually decreases from the inside to the outside, and a tightening and retaining portion extending from the outer end of the guide portion; the inner diameter of the tightening and retaining portion is equal everywhere; it also includes an outlet portion disposed on the outer end of the tightening and retaining portion, the inner diameter of the outlet portion is smaller than the inner diameter of the tightening and retaining portion, and the inner diameter of the outlet portion gradually decreases from the inside to the outside; and a stop portion is formed at the end face where the outlet portion connects with the tightening and retaining portion, the stop portion being provided to prevent the clamping ball from slipping out and causing the cable to fall off.

4. A ball-bearing cable clamp according to claim 3, characterized in that: During tightening, the compression ball abuts against the tightening retaining part.

5. A ball-bearing cable clamp according to claim 1, characterized in that: The clamping block has a fitting hole, and one end face of the clamping ball is fitted into the fitting hole.

6. A ball-bearing cable clamp according to claim 1, characterized in that: The inner wall of the clamp is provided with stepped barbs to increase the friction between the cable and the inner wall of the clamp.

7. A ball-bearing cable clamp according to claim 1, characterized in that: The chuck base is provided with a connecting groove, into which a ball-shaped connector is inserted. A steel wire rope is fixedly connected to the ball-shaped connector, and a handle is provided on the outer end of the steel wire rope.

8. A ball-bearing cable clamp according to claim 1, characterized in that: The chuck body is threaded onto the chuck base.

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