Anti-loosening nut assembly

Abstract

The utility model discloses an anti-loosening nut assembly, and relates to the technical field of nut assemblies. Comprising a bolt mechanism, the bolt mechanism comprises a bolt rod, the surface of the bottom end of the bolt rod is sleeved with an anti-skid assembly, a nut component is installed at the top end of the bolt rod in a threaded mode, the surface of the bolt rod is sleeved with an anti-skid pressing pad, and the anti-skid pressing pad is located between the anti-skid assembly and the nut component; through the arrangement of the bolt mechanism, the bolt rod, the anti-skid assembly, the nut component and the anti-skid pressing pad, the use stability of the nut assembly can be improved, the stability of connection between the screw and the nut and the installation position can be improved, the situation that the assembly is unstable in connection is reduced, meanwhile, the stability between the nut and the screw can be well kept, and the service life of the nut assembly is prolonged. And the situation of nut loosening caused by vibration or shaking is reduced, the connecting and using strength of the assembly is improved, and the practicability of the structure is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to nut assembly technical field, concretely is a kind of anti-loose nut assembly. BACKGROUND

[0002] ‌Nut assembly is commonly used fastener in mechanical connection, mainly by nut, bolt or screw rod is composed, for fixing and connecting various mechanical equipment. Nut assembly is various, common have national standard, British standard, American standard, Japanese standard etc., according to the different material, can be divided into carbon steel, stainless steel, nonferrous metal several big types‌.

[0003] The Chinese patent with application No. CN202323283512.7 discloses a nut and nut assembly with protection function, which can improve the connection strength between the nut and the workpiece and avoid the situation that the inner hole of the product is blocked by foreign matters during production process and cannot be assembled. However, during installation, the stability of the nut assembly in use cannot be improved, which is not conducive to improving the stability of the screw rod and the nut in connection with the installation position, and the connection is unstable, and the stability between the nut and the screw rod cannot be well maintained, which may cause the nut to loosen due to vibration or shaking during use, affecting the strength of the assembly connection in use. UTILITY MODEL CONTENTS

[0004] The utility model provides a kind of anti-loose nut assembly, with the advantage that the stability of nut assembly connection in use can be improved, to solve the problems raised in the above background art.

[0005] To achieve the above object, the utility model is realized by the following technical scheme: an anti-loose nut assembly, comprising: a bolt mechanism, the bolt mechanism includes a bolt rod, the surface of the bottom end of the bolt rod is sleeved with an anti-slip assembly, the top end of the bolt rod is threaded with a nut member, the surface of the bolt rod is sleeved with an anti-slip pad, and the anti-slip pad is located between the anti-slip assembly and the nut member.

[0006] As an anti-loose nut assembly of the utility model, the anti-slip assembly includes a lower gasket and an upper gasket, the lower gasket is sleeved on the surface of the bolt rod, the upper gasket is sleeved on the surface of the bolt rod, and the upper gasket is located above the lower gasket, and the lower gasket and the upper gasket are arranged in pairs.

[0007] As an anti-loose nut assembly of the utility model, the nut member includes a bottom nut, a clamping convex ring, a top nut and a clamping concave ring, the bottom nut is threaded on the surface of the bolt rod, the clamping convex ring is fixedly connected to the top end of the bottom nut, the top nut is threaded on the surface of the bolt rod, and the top nut is located above the bottom nut, and the clamping concave ring is opened on the inner side of the top nut.

[0008] As a kind of anti-loose nut assembly of the utility model, the upper and lower surfaces of anti-slip pad are provided with anti-slip serrations.

[0009] As a kind of anti-loose nut assembly of the utility model, the upper surface of lower gasket and the lower surface of upper gasket are provided with corresponding bosses, and the lower surface of lower gasket and the upper surface of upper gasket are provided with radial serrations.

[0010] As a kind of anti-loose nut assembly of the utility model, bottom nut and top nut are arranged in pairs, and clamping convex ring and clamping concave ring are arranged correspondingly.

[0011] The utility model provides a kind of anti-loose nut assembly. With following beneficial effects:

[0012] The anti-loose nut assembly, by the setting of bolt mechanism, bolt rod, anti-slip assembly, nut component and anti-slip pad, the stability of nut assembly use can be improved, the stability of screw rod and nut and installation position connection is facilitated to improve, the situation that component appears unstable connection is reduced, simultaneously still can well keep the stability between screw rod and nut, reduce the situation that nut loosens due to vibration or shaking, improve the strength of component connection use, improve the practicality of structure. DETAILED DESCRIPTION

[0013] Figure 1 It is bolt mechanism schematic diagram of the utility model;

[0014] Figure 2 It is three-dimensional structure diagram of the utility model;

[0015] Figure 3 It is explosion drawing of the utility model;

[0016] Figure 4 It is anti-slip assembly explosion drawing of the utility model;

[0017] Figure 5 It is nut assembly explosion drawing of the utility model;

[0018] Figure 6 It is nut assembly section view of the utility model.

[0019] In the drawing: 1, bolt mechanism;11, bolt rod;12, anti-slip assembly;13, nut component;14, anti-slip pad;121, lower gasket;122, upper gasket;131, bottom nut;132, clamping convex ring;133, top nut;134, clamping concave ring. DETAILED DESCRIPTION

[0020] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0021] Please refer to Figures 1-6 The present application provides a technical solution: a loosening-preventing nut assembly, comprising a bolt mechanism 1, the bolt mechanism 1 comprising a bolt rod 11, the surface of the bottom end of the bolt rod 11 being sleeved with an anti-skid assembly 12, the top end of the bolt rod 11 being threadedly installed with a nut member 13, the surface of the bolt rod 11 being sleeved with an anti-skid pressing pad 14, and the anti-skid pressing pad 14 being located between the anti-skid assembly 12 and the nut member 13. Through the arrangement of the bolt mechanism 1, the bolt rod 11, the anti-skid assembly 12, the nut member 13 and the anti-skid pressing pad 14, the stability of the nut assembly in use can be improved, the stability of the screw rod and the nut in connection with the installation position can be improved, the situation of unstable connection of the assembly can be reduced, the stability between the nut and the screw rod can be well maintained, the situation of loosening of the nut due to vibration or shaking can be reduced, the strength of the connection of the assembly in use can be improved, and the practicability of the structure can be improved.

[0022] Please refer to Figure 4 The anti-skid assembly 12 comprises a lower gasket 121 and an upper gasket 122, the lower gasket 121 being sleeved on the surface of the bolt rod 11, and the upper gasket 122 being sleeved on the surface of the bolt rod 11 and located above the lower gasket 121. The lower gasket 121 and the upper gasket 122 are arranged in pairs. Through the arrangement of the lower gasket 121 and the upper gasket 122, the anti-skid effect of the bottom end of the bolt rod 11 can be improved, the friction performance between the bolt rod 11 and the connection position can be improved, and the situation of loosening between the bolt rod 11 and the installation position can be reduced.

[0023] Please refer to Figure 5 and Figure 6The nut member 13 comprises a bottom nut 131, a clamping convex ring 132, a top nut 133 and a clamping concave ring 134. The bottom nut 131 is threadedly mounted on the surface of the bolt rod 11. The clamping convex ring 132 is fixedly connected to the top end of the bottom nut 131. The top nut 133 is threadedly connected to the surface of the bolt rod 11 and is located above the bottom nut 131. The clamping concave ring 134 is arranged on the inner side of the top nut 133. The arrangement of the bottom nut 131, the clamping convex ring 132, the top nut 133 and the clamping concave ring 134 can improve the use intensity of the bottom nut 131 and the top nut 133, better mount on the surface of the bolt rod 11, reduce the vibration relaxation range of the assembly during use, and improve the stability of installation and use.

[0024] Please refer to Figure 3 The upper and lower surfaces of the anti-skid pressing pad 14 are provided with anti-skid sawteeth. The arrangement of the anti-skid pressing pad 14 can improve the anti-skid effect of the bottom of the bottom nut 131 during installation, which is beneficial to improving the stability between the bottom of the bottom nut 131 and the installation position.

[0025] Please refer to Figure 4 The upper surface of the lower gasket 121 and the lower surface of the upper gasket 122 are provided with corresponding bosses. The lower surface of the lower gasket 121 and the upper surface of the upper gasket 122 are provided with radial sawteeth. The arrangement of the bosses can improve the clamping effect of the lower gasket 121 and the upper gasket 122, improve the stability of installation and use of the lower gasket 121 and the upper gasket 122, and improve the anti-skid effect of the bottom of the lower gasket 121 and the top of the upper gasket 122, thereby improving the overall strength of the assembly.

[0026] Please refer to Figure 5 The bottom nut 131 and the top nut 133 are arranged in pairs, and the clamping convex ring 132 and the clamping concave ring 134 are arranged correspondingly. The arrangement of the clamping convex ring 132 and the clamping concave ring 134 can enable the bottom nut 131 and the top nut 133 to be clamped during installation, which is beneficial to improving the firmness of installation of the bottom nut 131 and the top nut 133 and reducing the shaking range of the top nut 133 on the surface of the bottom nut 131.

[0027] During use, first, the anti-skid assembly 12, the nut member 13 and the anti-skid pressing pad 14 are detached from the bolt rod 11. Then, the lower gasket 121 is sleeved on the surface of the bolt rod 11 from one end of the bolt rod 11. Then, the upper gasket 122 is sleeved on the surface of the bolt rod 11 from one end of the bolt rod 11, and the boss on the bottom surface of the upper gasket 122 and the boss on the top surface of the lower gasket 121 are clamped with each other. Then, one end of the bolt rod 11 penetrates the surface of the connection position, so that the top surface of the upper gasket 122 is attached to one surface of the connection position, and the ground of the lower gasket 121 is attached to the surface of the bolt rod 11.

[0028] Then the anti-skid pad 14 is sleeved on the bolt rod 11 from one end to the surface of the bolt rod 11, and then the bottom surface of the anti-skid pad 14 is attached to the other surface at the connecting position, and then the bottom nut 131 is screwed on the bolt rod 11, so that the bottom surface of the bottom nut 131 is screwed to the top surface of the anti-skid pad 14, and then the clamping convex ring 132 is screwed on the bolt rod 11, so that the bottom of the clamping convex ring 132 is attached to the top of the bottom nut 131, and then the clamping convex ring 132 is located in the clamping concave ring 134, thereby completing the connection and installation.

[0029] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A type of anti-loosening nut assembly, characterized in that, Include: The bolt mechanism (1) includes a bolt rod (11), the surface of the bottom end of the bolt rod (11) is sleeved with an anti-skid assembly (12), the top end of the bolt rod (11) is threaded with a nut member (13), the surface of the bolt rod (11) is sleeved with an anti-skid pad (14), and the anti-skid pad (14) is located between the anti-skid assembly (12) and the nut member (13).

2. A lock nut assembly according to claim 1 wherein: The anti-skid assembly (12) includes a lower gasket (121) and an upper gasket (122), the lower gasket (121) is sleeved on the surface of the bolt rod (11), the upper gasket (122) is sleeved on the surface of the bolt rod (11), and the upper gasket (122) is located above the lower gasket (121), the lower gasket (121) and the upper gasket (122) are arranged in pairs.

3. A lock nut assembly according to claim 1 wherein: The nut member (13) includes a bottom nut (131), a clamping convex ring (132), a top nut (133) and a clamping concave ring (134), the bottom nut (131) is threaded on the surface of the bolt rod (11), the clamping convex ring (132) is fixedly connected to the top end of the bottom nut (131), the top nut (133) is threaded on the surface of the bolt rod (11), and the top nut (133) is located above the bottom nut (131), the clamping concave ring (134) is opened on the inner side of the top nut (133).

4. A lock nut assembly according to claim 1 wherein: The upper and lower surfaces of the anti-skid pad (14) are provided with anti-skid serrations.

5. A lock nut assembly according to claim 2 wherein: The upper surface of the lower gasket (121) and the lower surface of the upper gasket (122) are provided with corresponding bosses, and the lower surface of the lower gasket (121) and the upper surface of the upper gasket (122) are provided with radial serrations.

6. A lock nut assembly according to claim 3 wherein: The bottom nut (131) and the top nut (133) are arranged in pairs, and the clamping convex ring (132) and the clamping concave ring (134) are arranged correspondingly.

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