CN220227455U

CN220227455U - Shock-resistant fastener

Info

Publication number: CN220227455U
Application number: CN202321475245.0U
Authority: CN
Inventors: 李进
Original assignee: Jiashan Dongrun Fastener Co ltd
Current assignee: Jiashan Dongrun Fastener Co ltd
Priority date: 2023-06-09
Filing date: 2023-06-09
Publication date: 2023-12-22
Anticipated expiration: 2033-06-09

Abstract

The utility model discloses an anti-seismic fastener, and particularly relates to the field of fasteners, which comprises a head, wherein one side of the head is fixedly connected with a screw, the outer wall of the screw is connected with a nut through threads, a clamping groove is formed in the nut, a clamping block is inserted in the screw, a first spring is fixedly arranged at the bottom of the clamping block, a connecting plate is fixedly arranged at one end, far away from the clamping block, of the first spring, the connecting plate is slidably connected in the screw, a sliding piece is fixedly arranged on the outer wall of the connecting plate, a sliding groove is slidably connected on the outer wall of the sliding piece, and a limiting block is inserted in the screw. According to the clamping groove and the clamping block, when the nut is used for fastening an article, the clamping block is extruded by the nut to shrink, and the clamping block is clamped in the clamping groove along with the fact that the nut is used for continuously fastening the article, so that the nut is blocked when the nut is separated from the screw rod, and the effect of preventing the fastener from loosening due to vibration is achieved.

Description

Shock-resistant fastener

Technical Field

The utility model relates to the technical field of fasteners, in particular to an anti-seismic fastener.

Background

The fastener is a kind of mechanical parts used for fastening connection and extremely wide application, is the most widely applied mechanical base part, and is characterized by various varieties and specifications, various performance purposes and extremely high standardization, serialization and universalization degrees.

The Chinese patent disclosure CN218235789U discloses a hardware fastener with anti-vibration and anti-loosening functions, which comprises a main body mechanism, a stabilizing mechanism and a connecting mechanism, wherein the stabilizing mechanism is positioned at the outer end of the main body mechanism, the connecting mechanism is positioned at the lower end of the stabilizing mechanism, the main body mechanism comprises a fixed pipe, a through hole, an inner thread and an outer thread, the through hole is fixedly arranged at the upper end of the fixed pipe, and the hardware fastener with the anti-vibration and anti-loosening functions is higher in stability in the process of connecting and using by installing the stabilizing mechanism and the connecting mechanism, so that the problem of loosening of the hardware fastener caused by vibration in the process of using a machine can be better solved, but the arrangement is gradually loosened when the machine is subjected to long-term vibration, so that the fastener is not firmly fastened, and cannot be subjected to long-term vibration.

Disclosure of Invention

In order to overcome the above-mentioned drawbacks of the prior art, an embodiment of the present utility model provides an anti-seismic fastener, which is provided with a clamping groove and a clamping block, wherein when a nut fastens an article, the nut can squeeze the clamping block to shrink, and the clamping block can be clamped inside the clamping groove along with the continued fastening of the article by the nut, so as to solve the problems set forth in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an antidetonation fastener, includes the head, one side fixedly connected with screw rod of head, the outer wall of screw rod has the nut through threaded connection, the draw-in groove has been seted up to the inside of nut, the inside grafting of screw rod has the fixture block, the bottom fixed mounting of fixture block has first spring, the one end fixed mounting that the fixture block was kept away from to first spring has the connecting plate, connecting plate sliding connection is in the inside of screw rod, the outer wall fixed mounting of connecting plate has the slider, the outer wall sliding connection of slider has the spout, the inside grafting of screw rod has the stopper, the inside at the stopper is seted up to the spout, the outer wall fixed mounting of stopper has the second spring, second spring fixed mounting is in the inside of screw rod, one side fixed mounting backup pad that the second spring was kept away from to the stopper is kept away from to the stopper, one side articulated of backup pad has the pull ring.

In a preferred embodiment, the number of the clamping grooves is multiple, and the clamping grooves are sequentially formed in the nut in an equidistant state.

In a preferred embodiment, a chute is formed in the nut, and an arc-shaped pressing piece is connected to the chute in a sliding manner.

In a preferred embodiment, the arc-shaped pressing piece is inserted into the nut, and a third spring is fixedly arranged on the outer wall of the arc-shaped pressing piece.

In a preferred embodiment, the third spring is fixedly installed inside the nut, and an arc-shaped member is slidably connected to the outer wall of the nut.

In a preferred embodiment, the arc-shaped member is disposed at one side of the arc-shaped pressing member, and the outer wall of the arc-shaped member is provided with anti-slip patterns.

In a preferred embodiment, one side of the arc-shaped pressing piece is provided with a circular gasket, and the circular gasket is sleeved on the outer wall of the screw rod.

The utility model has the technical effects and advantages that:

1. according to the utility model, the clamping groove and the clamping block are arranged, the nut is sleeved on the outer wall of the screw and rotates, so that the nut can spirally advance to extrude the clamping block to shrink, the clamping block shrinks to extrude the first spring to shrink, and the first spring in the screw can push the clamping block to be clamped in the clamping groove along with the continuous spiral advance of the nut along the screw, so that the nut is blocked when being separated from the screw, and the effect of preventing a fastener from loosening due to vibration is achieved;

2. according to the utility model, the chute and the arc-shaped pressing piece are arranged, when the nut fastens an article, the nut can push the circular gasket to be attached to the fastened article through the arc-shaped pressing piece, at the moment, the arc-shaped pressing piece can be extruded into the nut along with the fact that the nut continues to fasten the article, and finally the arc-shaped pressing piece gradually extrudes the arc-shaped pressing piece to drive the anti-skid patterns to be attached to the outer wall of the screw rod, so that the friction force between the nut and the screw rod is increased, the force required by the rotation of the nut is increased, and a user is reminded that the fastening piece is fixedly connected.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is a cross-sectional view of the screw structure of the present utility model.

Fig. 3 is an enlarged view of the structure of the portion a of fig. 2 according to the present utility model.

Fig. 4 is an enlarged view of the B-section structure of fig. 2 according to the present utility model.

The reference numerals are: 1. a head; 2. a screw; 3. a nut; 4. a clamping groove; 5. a clamping block; 6. a first spring; 7. a connecting plate; 8. a slider; 9. a chute; 10. a limiting block; 11. a second spring; 12. a support plate; 13. a pull ring; 14. a chute; 15. an arc-shaped pressing piece; 16. a third spring; 17. an arc-shaped member; 18. anti-skid lines; 19. a circular gasket.

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.

Example 1: referring to fig. 1-4 of the specification, the anti-vibration fastener comprises a head 1, detailed fig. 1, one side of the head 1 is fixedly connected with a screw rod 2, the outer wall of the screw rod 2 is connected with a nut 3 through threads, detailed fig. 4, a clamping groove 4 is formed in the nut 3, detailed fig. 3, a clamping block 5 is inserted in the screw rod 3, the top of the clamping block 5 is obliquely arranged, the nut 3 can be extruded into the screw rod 2 when being fastened along the screw rod 2, when the nut 2 is stopped to be fastened along the screw rod 2, the clamping block 5 can block the nut 3, a first spring 6 is fixedly arranged at the bottom of the clamping block 5, a connecting plate 7 is fixedly arranged at one end of the first spring 6 far away from the clamping block 5, the connecting plate 7 is connected in the screw rod 2 in a sliding mode, a sliding way, a sliding piece 8 is fixedly arranged at the outer wall of the connecting plate 7, a sliding way is connected with a sliding groove 9 on the outer wall of the sliding piece 8, a limiting block 10 is inserted in the screw rod 2, the sliding way is formed in the sliding groove 9 in the limiting block 10, the sliding groove 9 is formed in the limiting block 10, a second spring 11 is fixedly arranged at the outer wall of the limiting block 10, the limiting block 10 can be blocked by the second spring 11, when the nut 2 is stopped from being fastened along the screw rod 2, a first spring 12 is fixedly arranged at one side of the limiting block 10 far away from the first spring 11, and the first spring 12 is fixedly arranged at one side of the limiting block 12 far away from the inner side of the limiting block 10, which is fixedly arranged at the inner supporting plate 12, and is far away from the side of the limiting block 12.

It should be noted that, when the fastener needs to be fixed, the nut 3 can be sleeved on the outer wall of the screw rod 2 and rotate, the nut 3 rotates to advance spirally along the thread on the screw rod 2, the screw 3 advances spirally and can extrude the clamping block 5 inside the screw rod 2 to shrink, the clamping block 5 shrinks and extrudes the first spring 6 to shrink, as the nut 3 continues to advance spirally along the screw rod 2, the first spring 6 inside the screw rod 2 can push the clamping block 5 to be clamped inside the clamping groove 4, when the nut 3 is separated from the screw rod 2, the nut is blocked, so as to achieve the effect of preventing the fastener from loosening caused by vibration, the nut 3 is prevented from being loosened by vibration, the problem of articles connected with the fastener is solved, and the attention is needed to be paid to that when the nut 3 needs to be dismounted from the outer wall of the screw rod 2, the pull ring 13 can be pulled, the pull ring 13 is pulled to be separated from the inside of the screw rod 2 through the supporting plate 12, the limiting block 10 is lost in the limiting block 10, the limiting block 10 is pulled to stretch the second spring 11 along with the screw rod 2, the sliding piece 8 slides relatively along the sliding chute 9, the sliding piece 8 slides relatively along the inner wall 7 and is separated from the inner wall 7 of the limiting block 2, the first spring 10 is pulled down, the limiting block 5 is separated from the inner wall of the screw rod 2, and the nut 3 is separated from the limiting block 3 through the limiting block 5, and the nut 3 is further pulled down, and the limiting block 3 is separated from the limiting block 3.

Example 2: referring to fig. 4, the number of the clamping grooves 4 is set to be multiple, the clamping grooves 4 are sequentially equidistantly arranged in the nut 3, the clamping grooves 4 are spirally sequentially equidistantly arranged in the nut 3, when the nut 3 is fastened along the screw rod 2, the clamping blocks 5 can be clamped in the clamping grooves 4, the clamping grooves 4 are prevented from being too few, the clamping blocks 5 can be inserted into the clamping grooves 4 after the nut 3 is vibrated to loose a certain number of turns, the nut 3 is fixed, the chute 14 is formed in the nut 3, the arc pressing piece 15 is connected to the chute 14 in a sliding manner, the arc pressing piece 15 is inserted into the nut 3, the third spring 16 is fixedly arranged on the outer wall of the arc pressing piece 15, the third spring 16 is fixedly arranged in the nut 3, the arc pressing piece 17 is slidably connected with the outer wall of the nut 3, the arc pressing piece 17 is arranged on one side of the arc pressing piece 15, the anti-slip line 18 is formed on the outer wall of the arc pressing piece 17, the circular gasket 19 is sleeved on the outer wall of the screw rod 2.

It should be noted that, wherein, when the screw thread spiral on the nut 3 along the screw rod 2 goes forward, the nut 3 can promote circular gasket 19 through the arc casting die 15 and slide along the outer wall of screw rod 2, until circular gasket 19 removes the laminating and is being fastened article outer wall after, stop being promoted, this moment along with nut 3 continue to promote circular gasket 19 through the arc casting die 15, arc casting die 15 will be by nut 3 and circular gasket 19 extrusion entering nut 3's inside, the inside that arc casting die 15 got into nut 3 can slide along chute 14 and extrude the shrink of third spring 16, arc casting die 15 slides along chute 14 and can rotate, arc casting die 15 rotates and can insert at the outer wall of arc piece 17, and gradually extrude arc piece 17 along nut 3 slip, until arc piece 17 passes through anti-skidding line 18 laminating at the outer wall of screw rod 2, increase the frictional force between nut 3 and the screw rod 2, make nut 3 by the required power increase of rotation, with reminding the user that the fastener has fixed connection has accomplished, prevent that the fastener from being in the fixed article to carry out fixed connection, because of the inside that the article that is fixed is soft, lead to the nut 3 rotates the article to be pressed into and slide, it is that the inside that the article is being pressed into, can be lost the inside, can be broken down by the screw rod 3, when the need to rotate the back-down piece 3, can be broken down, the screw rod 3 need to be rotated by the 3, and the pressure can be removed by the arc piece 3 can be removed by the time to be more than the screw rod 3, and can be rotated by the screw rod 3, and can be rotated by the screw rod 3, and can be by the apparatus can be more and more than the screw 3, and can be reduced, and more can be reduced, and the user can have the user can use the user can be and more 3.

The last points to be described are: first, in the description of the present application, it should be noted that, unless otherwise specified and defined, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, and "upper," "lower," "left," "right," etc. are merely used to indicate relative positional relationships, which may be changed when the absolute position of the object being described is changed;

secondly: in the drawings of the disclosed embodiments, only the structures related to the embodiments of the present disclosure are referred to, and other structures can refer to the common design, so that the same embodiment and different embodiments of the present disclosure can be combined with each other under the condition of no conflict;

finally: the foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.

Claims

1. An anti-seismic fastener comprising a head (1), characterized in that: one side fixedly connected with screw rod (2) of head (1), the outer wall of screw rod (2) has nut (3) through threaded connection, draw-in groove (4) have been seted up to the inside of nut (3), peg graft in the inside of screw rod (2) has fixture block (5), the bottom fixed mounting of fixture block (5) has first spring (6), the one end fixed mounting of fixture block (5) is kept away from to first spring (6) has connecting plate (7), connecting plate (7) sliding connection is in the inside of screw rod (2), the outer wall fixed mounting of connecting plate (7) has slider (8), the outer wall sliding connection of slider (8) has spout (9), peg graft in the inside of screw rod (2) has stopper (10), the inside at stopper (10) is seted up to spout (9), the outer wall fixed mounting of stopper (10) has second spring (11), one side fixed mounting that one side of keeping away from second spring (11) has backup pad (12), one side of keeping away from of backup pad (13) is articulated.

2. An anti-seismic fastener as claimed in claim 1 wherein: the number of the clamping grooves (4) is multiple, and the clamping grooves (4) are sequentially arranged in the nut (3) in an equidistant mode.

3. An anti-vibration fastener as claimed in claim 2, wherein: the nut is characterized in that a chute (14) is formed in the nut (3), and an arc-shaped pressing piece (15) is connected inside the chute (14) in a sliding mode.

4. A shock resistant fastener as claimed in claim 3, wherein: the arc-shaped pressing piece (15) is inserted into the nut (3), and a third spring (16) is fixedly arranged on the outer wall of the arc-shaped pressing piece (15).

5. An anti-vibration fastener as claimed in claim 4 wherein: the third spring (16) is fixedly arranged in the nut (3), and the outer wall of the nut (3) is connected with an arc-shaped piece (17) in a sliding mode.

6. An anti-vibration fastener as claimed in claim 5 wherein: the arc-shaped piece (17) is arranged on one side of the arc-shaped pressing piece (15), and anti-skidding patterns (18) are formed in the outer wall of the arc-shaped piece (17).

7. An anti-vibration fastener as claimed in claim 6 wherein: one side of the arc-shaped pressing piece (15) is provided with a circular gasket (19), and the circular gasket (19) is sleeved on the outer wall of the screw rod (2).