CN217603126U

CN217603126U - Adjustable spring nut

Info

Publication number: CN217603126U
Application number: CN202123396710.5U
Authority: CN
Inventors: 朱建明; 朱燕飞; 张灵操; 张晓峰; 闫凯杰; 朱力
Original assignee: Haiyan Hama Hardware Co ltd
Current assignee: Haiyan Hama Hardware Co ltd
Priority date: 2021-12-28
Filing date: 2021-12-28
Publication date: 2022-10-18
Anticipated expiration: 2031-12-28

Abstract

The utility model discloses a spring nut with adjustable, including nut body, mounting groove, external screw thread, installation section of thick bamboo, internal thread, installation piece, heavy groove, first spring, through-hole, packing ring, draw-in groove, installing port, stopper, second spring and fixture block, annular mounting groove has been seted up to the upper end of nut body, the mounting groove sets up with the nut body is coaxial, the external screw thread has been seted up to the inboard cell wall of mounting groove, be equipped with the installation section of thick bamboo with the coaxial setting of nut body in the mounting groove, the internal thread has been seted up to the inner wall of installation section of thick bamboo, internal thread and external screw thread threaded connection, the upper end of installation section of thick bamboo is equipped with the installation piece, annular heavy groove has been seted up to the bottom of installation piece, the upper end slidable of installation section of thick bamboo is inserted and is established in heavy inslot, compares with prior art, can effectively prevent that the nut is not hard up, has promoted the locking and the damping performance of nut, has promoted the practicality and the security of nut, simple structure, convenient to use, facilitate promotion and application.

Description

Adjustable spring nut

[ technical field ] A method for producing a semiconductor device

The utility model relates to a technical field of fastener, especially a spring nut with adjustable.

[ background of the invention ]

The connection and assembly of various devices and components in the mechanical industry, the automobile industry, the aerospace industry, the medical equipment and the like can not be separated from the fastening mode of the nut and bolt combination. However, this method has an inevitable weakness that the nut is loosened and even broken off during high-intensity vibration. Loosening and falling of the nut can cause damage, rejection and disassembly of the whole equipment or related parts, even cause accidents and personal safety injury. The existing nuts do not have the function of buffering and damping, when the connected objects vibrate, the nuts cannot absorb and damp a proper amount of energy and can rigidly extrude the nuts and the connected objects, so that the connected objects are easily damaged or the threads of the nuts and the bolts are damaged.

[ Utility model ] content

The utility model aims at solving the problems in the prior art and providing an adjustable spring nut.

In order to achieve the purpose, the utility model provides an adjustable spring nut, which comprises a nut body, a mounting groove, an external thread, a mounting cylinder, an internal thread, a mounting block, a sinking groove, a first spring, a through hole, a gasket, a clamping groove, a mounting opening, a limiting block, a second spring and a clamping block, wherein the upper end of the nut body is provided with an annular mounting groove, the mounting groove is coaxially arranged with the nut body, the inner side groove wall of the mounting groove is provided with the external thread, the mounting groove is internally provided with the mounting cylinder which is coaxially arranged with the nut body, the inner wall of the mounting cylinder is provided with the internal thread, the internal thread is in threaded connection with the external thread, the upper end of the mounting cylinder is provided with the mounting block, the bottom of the mounting block is provided with an annular sinking groove, the upper end of the mounting cylinder can be slidably inserted into the sinking groove, the sinking groove is internally provided with the first spring, the upper end of first spring and the tank bottom fixed connection who sinks the groove, the lower extreme of first spring and the upper end fixed connection of installation section of thick bamboo, the central point on the upper portion of installation piece puts and sets up the through-hole that vertically runs through the installation piece, the through-hole sets up with the nut body is coaxial, the fixed annular packing ring that is equipped with in upper portion of installation piece, a plurality of longitudinal distribution's draw-in groove has evenly been seted up to the outside portion of installation section of thick bamboo, the communicating installing port with the mounting groove is seted up on the upper portion of nut body, slidable is equipped with the stopper in the installing port, the stopper deviates from the fixed second spring that is equipped with in one side of mounting groove, the second spring deviates from the one end of mounting groove and the inside wall fixed connection of installing port, the stopper is towards the fixed fixture block that is equipped with a plurality of evenly distributed of one side of installation section of thick bamboo, the fixture block card is established in the draw-in groove.

Preferably, the washer is made of spring steel.

Preferably, the limiting block is designed to be in a circular arc shape, and the radian of one side of the limiting block facing the installation barrel is matched with the radian of the outer side wall of the installation barrel.

Preferably, the cross sections of the clamping groove and the clamping block are both right-angled triangles.

Preferably, the lower end of the nut body is integrally provided with two symmetrically distributed convex blocks, each convex block is hinged to one side, facing the axis of the nut body, of a telescopic rod, each free end of each telescopic rod is fixedly provided with an arc-shaped pushing block, the inner side portion of each pushing block is fixedly provided with an arc-shaped rubber block, and the outer side of each telescopic rod is sleeved with a third spring.

The utility model has the advantages that: the utility model discloses a set up the mounting groove on the nut body, the external screw thread of the inboard cell wall of mounting groove and the internal thread threaded connection of installation section of thick bamboo inner wall, consequently, can realize the lift of installation piece through rotatory installation section of thick bamboo, borrow this to adjust the axial length of nut body, can let the nut body cross the smooth section of bolt and supported tightly by the connected object, the adaptability of nut has been promoted greatly, be connected installation piece and installation section of thick bamboo through utilizing first spring, through setting up the packing ring on the upper portion of installation piece, when the packing ring with by the connected object support tightly, the effect of shock attenuation energy-absorbing can be played to the elasticity of first spring and the elasticity of packing ring, also can promote the compactness of packing ring with being connected the object and being connected, effectively prevent that the nut is not hard up, through setting up draw-in groove and fixture block, the fixture block under the elastic action of second spring and draw-in joint, can prevent effectively that installation section of thick bamboo free rotation from and cause the axial length of nut to change, just can rotate the telescopic link after the nut body is screwed up and make the telescopic link become the horizontality, make the axis of telescopic link towards the nut body, make the free end of telescopic link become flexible towards the axis of nut body, this moment, the elasticity of third spring will make the rubber block tight lateral part of bolt not hard up will be difficult. Compared with the prior art, the length that can change the nut just prevents effectively that the nut is not hard up, has promoted the locking and the damping performance of nut, has promoted the practicality and the security of nut, convenient to popularize and apply.

The features and advantages of the present invention will be described in detail by embodiments with reference to the accompanying drawings.

[ description of the drawings ]

Fig. 1 is a sectional view of an adjustable spring nut of the present invention.

Fig. 2 is a schematic structural view of the adjustable spring nut of the present invention, showing the connection between the clamping block and the clamping groove.

In the figure: the nut comprises a nut body 1, a mounting groove 2, an external thread 3, a mounting barrel 4, an internal thread 5, a mounting block 6, a sink groove 7, a first spring 8, a through hole 9, a washer 10, a clamping groove 11, a mounting opening 12, a limiting block 13, a second spring 14, a clamping block 15, a bump 16, a telescopic rod 17, a pushing block 18, a rubber block 19 and a third spring 20.

[ detailed description ] embodiments

Referring to fig. 1 and 2, the adjustable spring nut of the present invention comprises a nut body 1, a mounting groove 2, an external thread 3, a mounting cylinder 4, an internal thread 5, a mounting block 6, a sinking groove 7, a first spring 8, a through hole 9, a gasket 10, a clamping groove 11, a mounting opening 12, a stopper 13, a second spring 14 and a clamping block 15, wherein the upper end of the nut body 1 is provided with the annular mounting groove 2, the mounting groove 2 is coaxially arranged with the nut body 1, the internal thread 3 is provided on the inner side wall of the mounting groove 2, the mounting cylinder 4 is coaxially arranged with the nut body 1 and is arranged in the mounting groove 2, the internal thread 5 is provided on the inner wall of the mounting cylinder 4, the internal thread 5 is in threaded connection with the external thread 3, the mounting block 6 is provided on the upper end of the mounting cylinder 4, the annular sinking groove 7 is provided on the bottom of the mounting block 6, the upper end of the mounting cylinder 4 is slidably inserted in the sinking groove 7, the first spring 8 is provided in the sinking groove 7, the upper end of the first spring 8 is fixedly connected with the sinking groove 7, the upper end of the mounting cylinder is provided with the mounting block 13, the mounting groove 12, the mounting groove is provided with the mounting block 13, the mounting groove 12 is provided on one side of the mounting groove 12, the mounting groove 12 is provided with the inner side of the mounting groove, the mounting groove 12, the mounting block, the mounting groove 12 is provided with the mounting groove 12, the mounting block, the mounting groove 12 is provided with the mounting groove 12, the inner side of the mounting block, the mounting groove 12 is provided with the inner side of the mounting block, the mounting groove 14, the fixed fixture block 15 that is equipped with a plurality of evenly distributed of stopper 13 towards one side of installation section of thick bamboo 4, fixture block 15 card is established in draw-in groove 11, packing ring 10 is made by the elastic steel, stopper 13 is convex design, the radian of stopper 13 towards one side of installation section of thick bamboo 4 is identical with the radian of the lateral wall of installation section of thick bamboo 4, the cross section of draw-in groove 11 and fixture block 15 is right angled triangle, the lower extreme integral type of nut body 1 is equipped with two symmetric distribution's lug 16, every lug 16 all articulates towards one side of the axis of nut body 1 has telescopic link 17, every the free end of telescopic link 17 all is fixed and is equipped with convex top ejector 18, every the interior side portion of top ejector 18 all is fixed and is equipped with convex rubber block 19, every the outside of telescopic link 17 all overlaps and is equipped with third spring 20.

The utility model discloses the working process: when the spring nut is installed, the nut body 1 can be screwed on a bolt by a wrench, when the upper end of the gasket 10 is contacted with an object to be connected, the object to be connected can extrude the gasket 10 to enable the first spring 8 to be compressed and shortened, the upper end of the gasket 10 is always propped against the surface of the object to be connected by the elasticity of the first spring 8 and the elasticity of the gasket 10, the nut body 1 is effectively prevented from loosening, after the nut body 1 is screwed, when the object to be connected vibrates, the gasket 10 has certain elasticity and has good damping and energy absorbing effects, the object to be connected or the nut body 1 can be effectively prevented from being damaged due to vibration, after the nut body 1 is screwed, the telescopic rod 17 is rotated to enable the telescopic rod 17 to be changed from a vertical state to a horizontal state, and the free end of the telescopic rod 17 faces to the axis of the nut body 1, under the action of the elastic force of the third spring 20, the rubber block 19 on the inner side of the pushing block 18 is tightly pushed against the outer side part of the bolt, so that the nut body 1 can be effectively prevented from loosening, when the axial length of the nut needs to be adjusted, the mounting barrel 4 can be rotated anticlockwise, as the internal thread 5 on the inner wall of the mounting barrel 4 is in threaded connection with the external thread 3 on the inner side groove wall of the mounting groove 2, the mounting barrel 4 is screwed upwards, so that the length of the nut is lengthened, otherwise, the mounting barrel 4 is rotated clockwise so that the length of the nut is shortened, under the action of the elastic force of the second spring 14, the fixture block 15 on the limiting block 13 is clamped with the clamping groove 11 on the outer part of the mounting barrel 4, as the cross sections of the fixture block 15 and the clamping groove 11 are right-angled triangles, when the mounting block 6 descends due to clockwise rotation of the mounting barrel 4 caused by vibration, the straight edge of the clamping groove 11 can extrude the straight edge of the fixture block 15, so that the mounting barrel 4 can not rotate freely, and then can prevent that installation piece 6 from descending and leading to nut axial length to shorten, and when the anticlockwise rotation installation section of thick bamboo 4, the hypotenuse of draw-in groove 11 will extrude the hypotenuse of fixture block 15, can let second spring 14 pressurized shorten, make fixture block 15 deviate from in draw-in groove 11, therefore just needn't manually compress second spring 14 when the anticlockwise rotation installation section of thick bamboo 4, and the operation is simple, compared with the prior art, can change the length of nut and effectively prevent the nut not hard up, the locking and the shock attenuation performance of nut have been promoted, the practicality and the security of nut have been promoted, and the popularization and application are convenient.

The above-mentioned embodiment is right the utility model discloses an explanation, it is not right the utility model discloses a limited, any right the scheme after the simple transform of the utility model all belongs to the protection scope of the utility model.

Claims

1. An adjustable spring nut, its characterized in that: comprises a nut body (1), a mounting groove (2), an external thread (3), a mounting cylinder (4), an internal thread (5), a mounting block (6), a sinking groove (7), a first spring (8), a through hole (9), a gasket (10), a clamping groove (11), a mounting opening (12), a limiting block (13), a second spring (14) and a clamping block (15), wherein the upper end of the nut body (1) is provided with an annular mounting groove (2), the mounting groove (2) is coaxially arranged with the nut body (1), the internal thread (5) is arranged on the inner side groove wall of the mounting groove (2) and is in threaded connection with the external thread (3), the upper end of the mounting cylinder (4) is provided with the mounting block (6), the bottom of the mounting block (6) is provided with the annular sinking groove (7), the upper end of the mounting cylinder (4) can be slidably inserted into the sinking groove (7), the first sinking groove (7) is provided with the first spring (8), and the lower end of the first spring (8) is connected with the first spring (7), the central point on the upper portion of installation piece (6) puts through-hole (9) of vertically running through installation piece (6) of seting up, through-hole (9) and nut body (1) coaxial setting, the fixed annular packing ring (10) that is equipped with in upper portion of installation piece (6), a plurality of longitudinal distribution's draw-in grooves (11) have evenly been seted up to the outside portion of installation section of thick bamboo (4), the communicating installing port (12) with mounting groove (2) has been seted up on the upper portion of nut body (1), slidable is equipped with stopper (13) in installing port (12), stopper (13) deviate from one side of mounting groove (2) and are fixed and be equipped with second spring (14), the one end that second spring (14) deviate from mounting groove (2) and the inside wall fixed connection of installing port (12), stopper (13) are fixed and are equipped with a plurality of evenly distributed's fixture block (15) towards one side of installation section of thick bamboo (4), fixture block (15) card is established in draw-in groove (11).

2. The adjustable spring nut of claim 1, wherein: the washer (10) is made of spring steel.

3. The adjustable spring nut of claim 1, wherein: the limiting block (13) is designed to be arc-shaped, and the radian of the limiting block (13) facing to one side of the installation barrel (4) is identical to the radian of the outer side wall of the installation barrel (4).

4. The adjustable spring nut of claim 1, wherein: the cross sections of the clamping groove (11) and the clamping block (15) are both right-angled triangles.

5. An adjustable spring nut as defined in any one of claims 1 to 4 wherein: the lower extreme integral type of nut body (1) is equipped with lug (16) of two symmetric distributions, every lug (16) all articulates towards one side of the axis of nut body (1) has telescopic link (17), every the free end of telescopic link (17) is all fixed and is equipped with convex top ejector pad (18), every the inside portion of top ejector pad (18) is all fixed and is equipped with convex rubber block (19), every the outside of telescopic link (17) all overlaps and is equipped with third spring (20).