CN220980071U

CN220980071U - Reusable locking bolt and nut fastener

Info

Publication number: CN220980071U
Application number: CN202321880324.XU
Authority: CN
Inventors: 魏雪辉
Original assignee: Handan Tiancong Fastener Manufacturing Co ltd
Current assignee: Handan Tiancong Fastener Manufacturing Co ltd
Priority date: 2023-07-17
Filing date: 2023-07-17
Publication date: 2024-05-17
Anticipated expiration: 2033-07-17

Abstract

The utility model provides a reusable locking bolt and nut fastener, which relates to the technical field of fasteners and comprises a fixed base and a threaded rod on the fixed base, wherein a nut on the threaded rod is fixedly arranged on the fixed base, a clamping groove is formed in the top of the threaded rod, the nut is movably arranged on the threaded rod, an auxiliary block is arranged below the nut, a limiting rod is fixedly arranged on the auxiliary block, a fixing groove is formed in the position, corresponding to the limiting rod, of the nut, the limiting rod on the auxiliary block penetrates through the fixing groove of the nut, the nut is arranged on the threaded rod, the auxiliary block is positioned between the fixed base and the nut, the limiting block is clamped on the limiting rod after the nut and the threaded rod are fixed, the limiting block is pushed to be clamped in the clamping groove, and the problem that the nut is loosened due to vibration or temperature influence of the environment after the bolt and the nut are fixed is avoided.

Description

Reusable locking bolt and nut fastener

Technical Field

The utility model belongs to the technical field of fasteners, and particularly relates to a reusable locking bolt and nut fastener.

Background

When the bolt is subjected to severe and long-time shaking, under the frequent shaking, the screw threads which are tightly meshed originally generate tiny gaps and even deform, and the working state of the machine is mostly long-time and repeated movement, so that the bolt is loosened when the screw threads are accumulated to a certain degree.

The Chinese patent application number is: CN210371572U discloses a repeatedly usable's locking type bolt nut fastener, be provided with nylon bolt and nylon nut, nylon bolt is provided with the pole portion and sets up in the head of pole portion one end, pole portion side level is around being equipped with a plurality of A tooth, A tooth is open around in the pole portion and form the bolt toothless zone in pole portion side, nylon nut is provided with first arc piece and second arc piece, the medial surface level of first arc piece is around being equipped with a plurality of B1 tooth with A tooth assorted, the medial surface level of second arc piece is around being equipped with a plurality of B2 tooth with A tooth assorted, the length of B2 tooth around establishing the length of length less than or equal to bolt toothless zone makes B2 tooth can pass through the bolt toothless zone in nylon bolt axis direction.

However, the bolt and the nut are only tightened through the threads after being fixed, which can lead to the loosening of the nut and the rotation of the nut on the bolt due to the vibration or temperature of the environment in use, so that the connecting pieces are loosened, accidents are easy to occur, and the bolt and the nut are quite unsafe.

Accordingly, in view of the above, research and improvement on the existing structure and the existing defects are performed, and a reusable locking bolt and nut fastener is provided, so that the purpose of higher practical value is achieved.

Disclosure of utility model

In order to solve the above technical problems, the present utility model provides a reusable locking bolt-nut fastener, so as to solve the above problems.

The utility model provides a repeatedly usable's locking bolt nut fastener, includes unable adjustment base, and threaded rod on the unable adjustment base, nut on the threaded rod, threaded rod fixed mounting is on unable adjustment base, the draw-in groove has been seted up at the top of threaded rod, nut movable mounting is on the threaded rod, the below of nut is provided with the auxiliary block, fixed mounting has the gag lever post on the auxiliary block, the fixed slot has been seted up to the position that corresponds the gag lever post on the nut, the gag lever post passes from the fixed slot, the top of threaded rod is provided with the stopper, the spread groove has been seted up to the position that corresponds the gag lever post on the stopper, the gag lever post passes from the spread groove, the bottom fixed mounting of stopper has the fixture block, the fixture block can block in the draw-in groove.

Preferably, the clamping block is provided with a movable groove, a fixed block is movably arranged in the movable groove, a rubber pad is arranged on the outer side of the fixed block, and a spring is fixedly arranged between the fixed block and the movable groove.

Preferably, the clamping block is clamped in the clamping groove and cannot rotate.

Preferably, the nut is provided with a threaded opening, and threads in the threaded opening are matched with those on the threaded rod.

Preferably, the shock pad is fixedly arranged at the top of the fixed base, and the shock pad is fixedly arranged on the fixed base.

Preferably, the limit rods are arranged in pairs on the auxiliary blocks.

Preferably, a perforation slot is formed in the auxiliary block at a position corresponding to the threaded opening, the threaded rod can penetrate through the perforation slot, and the shock pad is made of rubber.

Compared with the prior art, the utility model has the following beneficial effects:

According to the utility model, the limiting block, the auxiliary block and the limiting rod are arranged, the limiting rod on the auxiliary block penetrates through the fixing groove of the nut, the nut is mounted on the threaded rod, the auxiliary block is positioned between the fixing base and the nut, the limiting block is clamped on the limiting rod after the nut and the threaded rod are fixed, the limiting block is pushed, the clamping block on the limiting block is clamped in the clamping groove, the limiting rod can be limited through the limiting block, and the problem that the nut is loosened due to the influence of vibration or temperature of the environment after the bolt and the nut are fixed is avoided.

According to the utility model, the fixing block and the spring are arranged, after the clamping block is fixed in the clamping groove, the fixing block can be pushed outwards through the spring, so that the fixing block is in close contact with the inner wall of the clamping groove, the limiting block can be effectively prevented from falling off, and meanwhile, the limiting block is convenient to detach, so that the effect of convenient reuse is achieved.

Drawings

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is a schematic view of the nut of the present utility model disassembled;

FIG. 3 is a partially disassembled schematic illustration of the present utility model;

fig. 4 is a schematic view of the structure of the bolt of the present utility model.

In the figure, the correspondence between the component names and the drawing numbers is:

1. A fixed base; 2. a threaded rod; 3. a nut; 4. a limiting block; 5. an auxiliary block; 6. a limit rod; 7. a shock pad; 8. a threaded port; 9. a movable groove; 10. a fixed block; 11. a spring; 12. a clamping block; 13. a connecting groove; 14. a clamping groove; 15. a perforated slot; 16. a fixing groove.

Detailed Description

Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.

As shown in fig. 1-4, the utility model provides a reusable locking bolt and nut fastener, which comprises a fixed base 1 and a threaded rod 2 on the fixed base 1, a nut 3 on the threaded rod 2, wherein the threaded rod 2 is fixedly installed on the fixed base 1, a clamping groove 14 is formed in the top of the threaded rod 2, the nut 3 is movably installed on the threaded rod 2, an auxiliary block 5 is arranged below the nut 3, a limit rod 6 is fixedly installed on the auxiliary block 5, a fixing groove 16 is formed in the position, corresponding to the limit rod 6, of the nut 3, the limit rod 6 penetrates through the fixing groove 16, a limit block 4 is arranged at the top of the threaded rod 2, a connecting groove 13 is formed in the position, corresponding to the limit rod 6, of the limit block 4, the limit rod 6 penetrates through the connecting groove 13, a clamping block 12 is fixedly installed at the bottom of the limit block 4, the clamping groove 14 can clamp the limit rod 6 on the auxiliary block 5 from the fixing groove 16 of the nut 3, the nut 3 is installed on the threaded rod 2, the auxiliary block 5 is positioned between the fixed base 1 and the nut 3, the limit block 4 is clamped on the limit block 4 after the nut 3 and the nut 2 are fixed, the limit block 4 is clamped on the limit block 4 is pushed again, and the limit block 4 is clamped on the limit rod 4 is prevented from being loosened by the limit rod 4 through the clamping groove 12, and the limit block 4 is prevented from being influenced by the vibration of the limit rod 4 after the limit block is installed on the threaded rod 4.

As one implementation mode of the utility model, the clamping block 12 is provided with the movable groove 9, the movable groove 9 is movably provided with the fixed block 10, the outer side of the fixed block 10 is provided with the rubber pad, the spring 11 is fixedly arranged between the fixed block 10 and the movable groove 9, after the clamping block 12 is fixed in the clamping groove 14, the fixed block 10 can be pushed outwards through the spring 11, so that the fixed block 10 is tightly contacted with the inner wall of the clamping groove 14, the falling-off of the limiting block 4 can be effectively prevented, and meanwhile, the limiting block 4 is convenient to detach.

As an embodiment of the present utility model, the clamping groove 14 is a polygonal groove, the clamping block 12 is clamped in the clamping groove 14 and cannot rotate, and when the clamping block 12 is clamped in the limiting block 4, the limiting block 4 can be prevented from rotating due to the clamping of the outer wall.

As an embodiment of the utility model, the nut 3 is provided with a threaded opening 8, threads in the threaded opening 8 are matched with those on the threaded rod 2, and the nut 3 is movably sleeved on the threaded rod 2 through the threaded opening 8.

As an embodiment of the present utility model, the shock pad 7 is fixedly installed on the top of the fixing base 1, the shock pad 7 is fixedly installed on the fixing base 1, and the shock between the fixing base 1 and the connecting piece can be reduced through the shock pad 7, so as to increase the stability.

As an embodiment of the present utility model, the stopper rods 6 are provided in pairs on the auxiliary block 5, and the two stopper rods 6 can stably position the nut 3.

As an embodiment of the utility model, a perforation slot 15 is formed in the auxiliary block 5 at a position corresponding to the threaded opening 8, the threaded rod 2 can pass through the perforation slot 15, and the auxiliary block 5 can move along with the nut 3 on the threaded rod 2 through the perforation slot 15.

In one embodiment of the present utility model, the damper 7 is preferably made of rubber.

Specific use and action of the embodiment:

In the utility model, when the device is used, the threaded rod 2 passes through the connecting piece, the limit rod 6 on the auxiliary block 5 passes through the fixing groove 16 of the nut 3, the nut 3 is movably sleeved on the threaded rod 2 through the threaded opening 8, the auxiliary block 5 is positioned between the fixing base 1 and the nut 3, the limit block 4 is clamped on the limit rod 6 after the nut 3 and the threaded rod 2 are fixed, the limit block 4 is pushed again, the clamping block 12 on the limit block 4 is clamped in the clamping groove 14, the fixing block 10 in the movable groove 9 can be pushed outwards through the spring 11 on the clamping block 12, the fixing block 10 is tightly contacted with the inner wall of the clamping groove 14, the clamping block 12 can be stably fixed in the clamping groove 14, the nut 3 can be prevented from rotating on the threaded rod 2 through the cooperation of the limit block 4 and the limit rod 6, the clamping block 3 can be removed from the clamping groove 14 after the nut 3 is forcibly pulled out of the clamping groove 14 during disassembly, and the threaded rod 2 can be reused again, and the device is quite convenient.

The embodiments of the utility model have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. Reusable locking bolt and nut fastener, including unable adjustment base (1), and threaded rod (2) on unable adjustment base (1), nut (3) on threaded rod (2), its characterized in that: threaded rod (2) fixed mounting is on unable adjustment base (1), draw-in groove (14) have been seted up at the top of threaded rod (2), nut (3) movable mounting is on threaded rod (2), the below of nut (3) is provided with auxiliary block (5), fixed mounting has gag lever post (6) on auxiliary block (5), fixed slot (16) have been seted up in the position of corresponding gag lever post (6) on nut (3), gag lever post (6) pass from fixed slot (16), the top of threaded rod (2) is provided with stopper (4), spread groove (13) have been seted up in the position of corresponding gag lever post (6) on stopper (4), from passing in spread groove (13) gag lever post (6), the bottom fixed mounting of stopper (4) has fixture block (12), fixture block (12) can block in draw-in groove (14).

2. A reusable lockbolt-nut fastener as defined in claim 1, wherein: the clamping block (12) is provided with a movable groove (9), a fixed block (10) is movably arranged in the movable groove (9), a rubber pad is arranged on the outer side of the fixed block (10), and a spring (11) is fixedly arranged between the fixed block (10) and the movable groove (9).

3. A reusable lockbolt-nut fastener as defined in claim 1, wherein: the clamping block (12) is clamped in the clamping groove (14) and cannot rotate.

4. A reusable lockbolt-nut fastener as defined in claim 1, wherein: the nut (3) is provided with a threaded opening (8), and threads in the threaded opening (8) are matched with those on the threaded rod (2).

5. A reusable lockbolt-nut fastener as defined in claim 1, wherein: the shock pad (7) is fixedly arranged at the top of the fixed base (1), and the shock pad (7) is fixedly arranged on the fixed base (1).

6. A reusable lockbolt-nut fastener as defined in claim 1, wherein: the limiting rods (6) are arranged on the auxiliary blocks (5) in pairs.

7. A reusable lockbolt-nut fastener as defined in claim 1, wherein: and a perforation groove (15) is formed in the auxiliary block (5) at a position corresponding to the threaded opening (8), and the threaded rod (2) can pass through the perforation groove (15).

8. A reusable lockbolt-nut fastener as recited in claim 5, wherein: the shock pad (7) is made of rubber.