High-precision self-counterforce locknut

Abstract

The utility model discloses a high-precision self-counter-force locknut which comprises a locknut body and a second gasket, a first gasket is installed on the upper surface of the second gasket in an embedded mode, the locknut body is located on the upper surface of the first gasket, and the locknut body comprises an elastic washer, threads and a nut body. An elastic gasket is embedded in the upper portion of the inner surface of the nut body, threads are arranged on the portion, below the elastic gasket, of the inner surface of the nut body, the first gasket comprises an upper gasket body and limiting rods, the limiting rods are fixedly installed on the lower surface of the upper gasket body, and the number of the limiting rods is six. The upper gasket is located on the lower surface of the nut body, the second gasket comprises a lower gasket and six limiting grooves, and the limiting grooves are formed in the upper surface of the lower gasket. According to the high-precision self-counter-force locknut, the nut can be quickly fixed, the precision is high, and looseness can be effectively prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to nut technical field, especially a kind of high-precision self-reaction lock nut. BACKGROUND

[0002] Nut is the part that mechanical equipment is connected closely, by the thread in side, equal specification nut and bolt can be connected together, nut includes self-locking nut, lock nut, locking nut, four jaw nut, screw into nut, safety nut, thin rod screw connection nut, self-locking hexagonal cover nut, special anchor bolt nut, hexagonal crown thin nut etc., wherein lock nut is a kind of nut after lock treatment, called lock nut, suitable for fixed moving parts;The lock nut of prior art has certain drawbacks when in use, lock nut is permanently attached on thread with special engineering plastic, so that inside and outside thread is extruded in locking process, engineering plastic generates strong counterforce, greatly increases the friction between inside and outside thread, provides absolute resistance to vibration, when machine vibrates, the friction between inside and outside thread reduces, can make nut loose, and the fixed mode of preventing loosening by riveting, punching etc. makes nut cannot be used twice, and self-reaction is low, for this purpose, we propose a kind of high-precision self-reaction lock nut. SUMMARY

[0003] The main purpose of the utility model is to provide a kind of high-precision self-reaction lock nut, can effectively solve the problems in the background art.

[0004] To achieve the above object, the technical scheme adopted by the utility model is as follows:

[0005] A kind of high-precision self-reaction lock nut, including lock nut main part and second gasket, the upper surface of the second gasket is embedded with first gasket, the lock nut main part is located the upper surface of first gasket.

[0006] In a preferred embodiment, the lock nut main part includes elastic washer, thread, nut body, the inner surface of the nut body is embedded with elastic washer in upper position, the inner surface of the nut body is provided with thread below elastic washer.

[0007] In a preferred embodiment, the first gasket includes upper washer, limiting rod, the lower surface of the upper washer is fixedly installed with limiting rod, the limiting rod is six groups.

[0008] In a preferred embodiment, the upper washer is located the lower surface of nut body.

[0009] In a preferred embodiment, the second gasket includes lower washer, limiting slot, the upper surface of the lower washer is provided with limiting slot, the limiting slot is six groups.

[0010] In a preferred embodiment, the upper gasket is located on the upper surface of the lower gasket, and the upper gasket is embedded in the inner part of the limiting groove, respectively.

[0011] In summary, due to the adoption of the above technical scheme, the application has the following beneficial effects:

[0012] In the utility model, through setting up the elastic gasket, the elastic gasket is embedded in the inner surface of the nut body, can increase the contact area of bolt surface and nut inner surface, thereby being favorable for improving the precision and self-reaction force of nut fixation, through setting up the upper gasket, the limiting rod, the lower gasket and the limiting groove, the limiting rod can be embedded in the inner part of the limiting groove, thereby preventing the relative rotation between the upper gasket and the lower gasket, thereby causing the falling. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the whole structure schematic diagram of the utility model one kind of high-precision self-reaction force lock nut;

[0014] Figure 2 It is the nut body section view of the utility model one kind of high-precision self-reaction force lock nut;

[0015] Figure 3 It is the upper gasket section view of the utility model one kind of high-precision self-reaction force lock nut;

[0016] Figure 4 It is the lower gasket plan view of the utility model one kind of high-precision self-reaction force lock nut.

[0017] In the drawing: 1, lock nut main body;101, elastic gasket;102, screw thread;103, nut body;2, first gasket;201, upper gasket;202, limiting rod;3, second gasket;301, lower gasket;302, limiting groove. DETAILED DESCRIPTION

[0018] To make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme in the embodiments of the present application will be described clearly and completely below in conjunction with the embodiments of the present application. Obviously, the described embodiments are some embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0019] REFERENCE Figures 1-4 A kind of high-precision self-reaction force lock nut, including lock nut main body 1 and second gasket 3, the upper surface of second gasket 3 is embedded and installed with first gasket 2, lock nut main body 1 is located on the upper surface of first gasket 2;

[0020] The anti-loose nut body 1 comprises an elastic washer 101, a thread 102 and a nut body 103, the inner surface of the nut body 103 is provided with the elastic washer 101, the elastic washer 101 has elasticity, which can enhance the friction between the nut body 103 and the bolt, and is beneficial to reduce the gap between the bolt and the nut, and is beneficial to improve the precision, the inner surface of the nut body 103 is provided with the thread 102 below the elastic washer 101; the first gasket 2 comprises an upper washer 201 and a limiting rod 202, the lower surface of the upper washer 201 is fixedly provided with the limiting rod 202, the limiting rod 202 is six groups, the upper washer 201 is hexagonal, which is convenient for disassembly; the upper washer 201 is located below the lower surface of the nut body 103; the second gasket 3 comprises a lower washer 301 and a limiting groove 302, the upper surface of the lower washer 301 is provided with the limiting groove 302, the limiting groove 302 is six groups, the lower washer 301 is fixed to the fixed part through friction, when higher precision is required, the lower washer 301 can be fixed on the fixed part by welding, which does not affect the normal use and secondary use of the anti-loose nut body 1; the upper washer 201 is located on the upper surface of the lower washer 301, and the upper washer 201 is embedded and installed in the inside of the limiting groove 302.

[0021] The implementation principle of the high-precision self-reaction anti-loose nut embodiment of the application is that: in use, the anti-loose nut body 1, the first gasket 2 and the second gasket 3 jointly act to fix;

[0022] The bolt is embedded in the inside of the nut body 103, the upper washer 201 and the lower washer 301, so that the lower washer 301 is placed on the fixed part, the limiting rod 202 is located in the inside of the limiting groove 302, the nut body 103 is rotated, and the bolt is connected and fixed through the thread 102 and the elastic washer 101, the limiting rod 202 moves in the inside of the limiting groove 302, and the position of the limiting rod 202 is limited by the limiting groove 302, when disassembling, the upper washer 201 and the nut body 103 can be rotated by a tool, so that the limiting rod 202 can move in the inside of the limiting groove 302, and then the nut body 103 can be easily disassembled.

[0023] The above embodiments are only used to illustrate the technical solutions of the application, but not to limit them; although the application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the application.

Claims

1. A high-precision self-reaction anti-loosening nut, characterized by: The anti-loosening nut comprises a main body (1) of the anti-loosening nut and a second gasket (3). The upper surface of the second gasket (3) is embedded with a first gasket (2). The anti-loosening nut main body (1) is located on the upper surface of the first gasket (2).

2. A high-precision self-reaction locking nut according to claim 1, characterized in that: The anti-loosening nut body (1) comprises an elastic washer (101), a thread (102), and a nut body (103); the inner surface of the nut body (103) is embedded with the elastic washer (101) at the top, and the inner surface of the nut body (103) is provided with a thread (102) at the bottom of the elastic washer (101).

3. The high-precision self-reaction anti-loosening nut according to claim 2, characterized in that: The first gasket (2) comprises an upper gasket (201) and a limiting rod (202); the limiting rod (202) is fixedly mounted on the lower surface of the upper gasket (201); and the limiting rods (202) are provided in six groups.

4. The high-precision self-reaction locking nut according to claim 3, characterized in that: The upper washer (201) is located on the lower surface of the nut body (103).

5. The high-precision self-reaction locking nut according to claim 4, characterized in that: The second gasket (3) comprises a lower gasket (301) and a limiting groove (302). The upper surface of the lower gasket (301) is provided with the limiting groove (302), and the limiting groove (302) is provided in six groups.

6. The high-precision self-reaction locking nut according to claim 5, characterized in that: The upper gasket (201) is located on the upper surface of the lower gasket (301), and the upper gasket (201) is respectively embedded and installed inside the limiting groove (302).

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