CN220980085U

CN220980085U - Self-locking function steel wire thread sleeve

Info

Publication number: CN220980085U
Application number: CN202322700718.9U
Authority: CN
Inventors: 李飞; 陶方刚; 李剑武
Original assignee: Wuxi Feisheng Hardware Products Co ltd
Current assignee: Wuxi Feisheng Hardware Products Co ltd
Priority date: 2023-10-09
Filing date: 2023-10-09
Publication date: 2024-05-17
Anticipated expiration: 2033-10-09

Abstract

The utility model discloses a self-locking function steel wire thread sleeve which comprises an outer thread sleeve, wherein a clamping block is arranged at the lower end of the outer thread sleeve, a movable groove is formed in the middle of the clamping block, two slots are formed in the side wall of the outer thread sleeve, limit grooves are formed in the inner walls of the two slots, two clamping grooves are formed in the upper end of the outer thread sleeve, two baffles are arranged in the inner walls of the two clamping grooves, external threads are formed in the outer portion of the outer thread sleeve, internal threads are formed in the inner walls of the outer thread sleeve, bolts are arranged in the two slots, limiting blocks are arranged on two sides of the two bolts, a plurality of clamping blocks are annularly arranged on the lower surface of the clamping block, the limiting blocks are mutually matched with the limit grooves, and the side walls of the two bolts are mutually matched with the outer walls of the clamping block. Through the structure, the plug pin and the slot are matched, so that the limiting effect can be achieved, the plug pin is prevented from falling off, and the plug pin can perform self-locking when extruding the clamping block.

Description

Self-locking function steel wire thread sleeve

Technical Field

The utility model relates to the technical field of wire thread inserts, in particular to a self-locking wire thread insert.

Background

The steel wire thread sleeve is a novel internal thread fastener, is suitable for threaded connection, is screwed into and fastened in a threaded hole of one of the connected pieces to form a standard internal thread, and is screwed into the standard internal thread again, and is also called a thread sleeve. The spring-shaped internal and external thread concentric body is formed by precisely processing a cold-rolled diamond stainless steel wire with high strength, high precision and smooth surface, is mainly used for reinforcing and protecting internal threads made of low-strength materials, and is a steel wire self-locking threaded sleeve and a steel wire non-self-locking threaded sleeve which are more in the market at present.

When the existing swivel nut is used, the swivel nut is self-locked by matching the plug pin with the slot in the prior art, the plug pin moves in the slot, but the plug pin is lack of a limiting function, so that the plug pin is easy to slide down to affect the self-locking effect of the swivel nut.

Disclosure of utility model

The utility model aims to solve the technical problem that the existing screw sleeve is matched with the slot by utilizing the plug pin to perform self-locking on the screw sleeve, and the plug pin is lack of limit and easy to slide off when being inserted into the slot so as to influence the self-locking effect of the screw sleeve.

In order to solve the technical problems, the utility model adopts a technical scheme that: the utility model provides a self-locking function steel wire swivel nut, including outer swivel nut, the clamp block is installed to outer swivel nut lower extreme, the movable groove has been seted up at clamp block middle part, two slots have been seted up to outer swivel nut lateral wall, two the spacing groove has all been seted up to the slot inner wall, two draw-in grooves are seted up to outer swivel nut upper end, two baffle is all installed to the draw-in groove inner wall, utilizes stopper and spacing groove to cooperate to carry out spacing to the bolt, plays spacing effect after making the bolt extend to the inside of slot, makes the bolt can not take place the landing to the baffle cooperates with the draw-in groove, can play spacing effect to the connecting rod of steel wire swivel nut one end, avoids taking place to drop, makes the bolt can keep stable in the inside of slot, and the bolt of being convenient for moves about.

Preferably, the external thread is arranged outside the external screw sleeve, the internal thread is arranged on the inner wall of the external screw sleeve, and the external screw sleeve is conveniently connected with the screw rod by the internal thread.

Preferably, two the inside bolt that all installs of slot, two the stopper is all installed to the bolt both sides, utilizes the stopper to make the bolt play spacing effect.

Preferably, the lower surface of the clamping block is provided with a plurality of clamping blocks in an annular shape, and the positioning effect can be achieved when the clamping blocks are matched with the bottom of the screw.

Preferably, the limiting block is mutually matched with the limiting groove and used for limiting the bolt, so that the bolt can move in the slot to avoid falling.

Preferably, the two side walls of the bolt are matched with the outer wall of the clamping block, an anti-rust coating is coated on the outer portion of the outer threaded sleeve, the outer threaded sleeve is protected by the anti-rust coating, the service life is prevented from being influenced by rust, the bolt moves on the side wall of the clamping block, and the clamping block is pushed to move in the moving process, so that the clamping block clamps the screw.

The beneficial effects of the utility model are as follows:

According to the utility model, the limiting blocks are arranged on the two sides of the bolt and the limiting blocks are arranged on the inner wall of the slot, so that the bolt does not fall after extending into the slot, and the connecting rod at one end of the steel wire thread insert can be limited by utilizing the matching of the bottom plate and the clamping groove, so that the loosening and falling are avoided.

Drawings

FIG. 1 is a perspective view of a self-locking function wire thread insert of the present utility model;

FIG. 2 is a top view of a self-locking wire thread insert of the present utility model;

FIG. 3 is a bottom view of a self-locking wire thread insert of the present utility model;

fig. 4 is a schematic diagram of the structure of a bolt of a self-locking steel wire thread insert.

In the figure: 1. an outer screw sleeve; 2. a slot; 3. a clamping block; 4. a clamping groove; 5. a baffle; 6. an external thread; 7. an internal thread; 8. a limit groove; 9. a clamping block; 10. a limiting block; 11. a plug pin; 12. a movable groove.

Detailed Description

The preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present utility model.

Referring to fig. 1-3, a self-locking function wire thread sleeve comprises an outer thread sleeve 1, a clamping block 3 is installed at the lower end of the outer thread sleeve 1, the clamping blocks 3 are close to each other under the extrusion of a plug 11, so that the clamping blocks 3 clamp and fix a screw, a movable groove 12 is formed in the middle of the clamping blocks 3, the clamping blocks 3 are convenient to move, the clamping blocks 3 are convenient to extrude under the plug 11, the inner wall of the clamping blocks 3 is attached to the outer part of a workpiece, the outer thread sleeve 1 is positioned, two slots 2 are formed in the side wall of the outer thread sleeve 1, the two slots 2 are vertically arranged, the plug 11 is convenient to install, the plug 11 extrudes the clamping blocks 3, limit grooves 8 are formed in the inner walls of the two slots 2, the limit grooves 8 are matched with a limit block 10, the plug 11 can be clamped and have a limit effect, the limit grooves 8 and the limit block 10 are square, the width of the limit grooves 8 is smaller than the width of the limit block 10, the plug 11 does not fall off after extending to the inside of the slot 2, the two clamping grooves 4 are formed in the upper end of the outer thread sleeve 1, the two clamping grooves 4 are formed in the upper end, the two clamping grooves 4 are inclined at the two surfaces of the two clamping grooves 4 are arranged on the outer thread sleeve 1, and the two clamping grooves 4 are inclined to be matched with a connecting rod 5, and the two connecting rods are prevented from being matched with the two surfaces 5.

As shown in fig. 2-4, the external thread 6 is provided on the outside of the external screw sleeve 1, the internal thread 7 is provided on the inner wall of the external screw sleeve 1, for installing the external screw sleeve 1 and the workpiece, the bolts 11 are installed inside the two slots 2, for clamping the external screw sleeve 1, thereby achieving the self-locking effect, the stoppers 10 are installed on both sides of the two bolts 11, the bolts 11 are moved inside the slots 2 by the stoppers 10, the lower surface of the clamping block 3 is provided with a plurality of clamping blocks 9 in a ring shape, the clamping blocks 9 are arranged in an inclined plane, the bottom of the workpiece is matched by the clamping blocks 9, the external screw sleeve 1 can be matched with the workpiece, looseness is avoided, the stoppers 10 are mutually matched with the limiting grooves 8, an anti-rust coating is coated on the outside of the external screw sleeve 1, the anti-rust paint is coated on the outside of the external screw sleeve 1, the anti-rust effect is achieved by using the anti-rust pigment and the long-oil phenolic or resin paint, the service life of the external screw sleeve 1 is achieved, the two 11 side walls are slid with the outer wall of the clamping block 3, and the clamping block 3 is pressed in the moving process.

When the screw sleeve is used, the outer screw sleeve 1 is arranged outside a workpiece through the internal threads 7, the plug pin 11 is arranged inside the slot 2, the limiting block 10 is matched with the limiting groove 8, the plug pin 11 is limited, the steel wire screw sleeve is arranged outside the outer screw sleeve 1, a connecting rod at one end of the steel wire screw sleeve is clamped inside the clamping groove 4 from the position between the two connected baffle plates 5, the outer screw sleeve 1 is arranged on the bottom plate of the workpiece, the outer screw sleeve 1 is positioned by the clamping block 9, and the clamping block 9 is matched with the outside of the workpiece, so that looseness is avoided.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims

1. The utility model provides a self-locking function wire thread insert, includes outer swivel nut (1), its characterized in that: the clamping block (3) is installed to outer swivel nut (1) lower extreme, movable groove (12) have been seted up at clamping block (3) middle part, two slot (2) have been seted up to outer swivel nut (1) lateral wall, two spacing groove (8) have all been seted up to slot (2) inner wall, two draw-in grooves (4) are seted up to outer swivel nut (1) upper end, two baffle (5) are all installed to draw-in groove (4) inner wall.

2. The self-locking function wire thread insert of claim 1, wherein: external threads (6) are formed in the outer portion of the outer threaded sleeve (1), and internal threads (7) are formed in the inner wall of the outer threaded sleeve (1).

3. The self-locking function wire thread insert of claim 1, wherein: the two slots (2) are internally provided with bolts (11), and two sides of each bolt (11) are provided with limiting blocks (10).

4. The self-locking function wire thread insert of claim 1, wherein: the lower surface of the clamping block (3) is annularly provided with a plurality of clamping blocks (9).

5. A self-locking function wire thread insert according to claim 3, wherein: the limiting block (10) is matched with the limiting groove (8).

6. A self-locking function wire thread insert according to claim 3, wherein: the side walls of the two bolts (11) are matched with the outer wall of the clamping block (3), and an anti-rust coating is coated on the outer part of the outer threaded sleeve (1).