Nut anti-loose locking device

Abstract

The utility model discloses a nut anti-loose locking device which comprises a shell arranged on the outer side of a nut body in a sleeved mode, a through hole is formed in the top of the shell, a plurality of T-shaped grooves which are evenly distributed at equal angles are formed in the peripheral side of the through hole, and moving blocks are slidably connected into the T-shaped grooves. The two sides of the bottom of the moving block are provided with protruding blocks matched with the T-shaped grooves in a sliding mode respectively, the side, close to the through hole, of the top of the moving block is fixedly connected with a pressing block, the side, close to the through hole, of the pressing block is provided with an arc groove, and the arc groove is fixedly connected with an anti-skid pad. By arranging the shell, it is ensured that the device can reliably act on the nut body; meanwhile, the T-shaped grooves in the top of the shell provide mounting and sliding rails for the moving blocks, so that the top pressing blocks of the multiple moving blocks can evenly press the bolt screw from different directions; and the friction force between the non-slip mat in the arc groove of the pressing block and the bolt screw is increased, so that the anti-loosening performance of the nut during assembly is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to nut technical field, concretely relates to a nut anti-loose locking device. BACKGROUND

[0002] In the field of mechanical engineering, nuts, as a common fastener, are widely used in the connection of various devices and structures. However, in actual application scenarios, nuts face many challenges. During operation, devices are often affected by factors such as vibration, impact, and temperature changes. These factors can cause nuts to gradually loosen, thereby greatly reducing the firmness of device connections. Once the nuts loosen, it may cause a series of serious consequences. In some critical devices, nut loosening may even cause device failure, production stoppage, and even endanger personnel safety.

[0003] The traditional nut anti-loose method mainly uses spring washers, but spring washers may lose elasticity after long-term use, resulting in poor anti-loose effect and failing to meet assembly requirements.

[0004] Based on the above situation, the utility model provides a nut anti-loose locking device, which can effectively solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model discloses a nut anti-loose locking device, which can reliably act on the nut body by setting the shell; at the same time, the T-shaped grooves on the top of the shell provide the moving blocks with installation and sliding tracks, so that the top pressing blocks of the multiple moving blocks can uniformly press the bolt shanks from different directions; the anti-slip pads in the arc grooves of the pressing blocks increase the friction between the bolt shanks, thereby improving the anti-loose performance during nut assembly.

[0006] The utility model realizes the following technical scheme:

[0007] A nut anti-loose locking device, comprising a shell sleeved outside the nut body, a through hole is formed in the top of the shell, a plurality of T-shaped grooves are evenly distributed at equal angles on the outer circumferential side of the through hole, a moving block is slidably connected in the T-shaped groove, a protrusion is arranged on the bottom of the moving block on both sides to cooperate with the sliding of the T-shaped groove, a pressing block is fixedly connected to the top of the moving block and close to one side of the through hole, an arc groove is formed on the side of the pressing block close to the through hole, and an anti-slip pad is fixedly connected to the arc groove.

[0008] According to the above technical scheme, as a further preferred technical scheme of the above technical scheme, a first mounting hole is formed on the bottom of the moving block and away from the through hole, and a second mounting hole is formed on the side of the T-shaped groove away from the through hole.

[0009] According to the above technical scheme, as a further preferred technical scheme of the above technical scheme, the T-shaped groove is provided with a compression spring, one end of the compression spring is installed in the first mounting hole, and the other end of the compression spring is installed in the second mounting hole.

[0010] According to the above technical scheme, as a further preferred technical scheme of the above technical scheme, the diameter of the through hole is greater than the thread hole diameter of the nut body.

[0011] According to the above technical scheme, as a further preferred technical scheme of the above technical scheme, the shell is made of wear-resistant stainless steel or aluminum-silicon alloy.

[0012] Compared with the prior art, the utility model has the following advantages and beneficial effects:

[0013] The nut anti-loose locking device provided by the utility model has the following advantages: the shell is arranged to ensure that the device can reliably act on the nut body; the T-shaped groove at the top of the shell provides an installation and sliding track for the moving block, so that the top pressing block of the plurality of moving blocks can uniformly press the bolt screw rod from different directions; the anti-skid pad in the arc-shaped groove of the pressing block increases the friction between the anti-skid pad and the bolt screw rod, thereby improving the anti-loose performance during nut assembly. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a whole structure schematic view of the utility model;

[0015] Figure 2 It is a moving block structure schematic view of the utility model;

[0016] Figure 3 It is a shell structure schematic view of the utility model. DETAILED DESCRIPTION

[0017] In order to make the person skilled in the art better understand the technical scheme of the utility model, the preferred embodiment of the utility model will be described below in combination with specific embodiments, but it should be understood that the drawings are only used for exemplary description, and cannot be understood as the limitation of the patent; in order to better illustrate the embodiments, some components in the drawings may be omitted, enlarged or reduced, and do not represent the size of the actual product; for those skilled in the art, it is understandable that some well-known structures and their descriptions in the drawings may be omitted. The positional relationship described in the drawings is only used for exemplary description, and cannot be understood as the limitation of the patent.

[0018] The utility model provides a nut anti -loose locking device, including the shell 2 of setting in the outside of nut body 1, the top of shell 2 is equipped with through -hole 21, the outer periphery side of through -hole 21 is equipped with a plurality of T -groove 22 that is equiangular and evenly distributed, the sliding connection of T -groove 22 has moving block 3, the bottom both sides of moving block 3 are provided with the protruding block 31 of cooperation sliding with T -groove 22, the top of moving block 3 and the side close to through -hole 21 are fixedly connected with the compression block 32, the side close to through -hole 21 of compression block 32 is equipped with circular arc groove 33, and circular arc groove 33 is fixedly connected with antiskid pad 34.

[0019] The utility model discloses a shell 2 is set up, ensure that the device can reliably act on nut body 1, and the T -groove 22 of shell 2 top provides the track of installation and sliding for moving block 3, so that the top compression block 32 of a plurality of moving block 3 can be uniformly compressed from different directions to bolt screw rod, and the antiskid pad 34 in the circular arc groove 33 of compression block 32 increases the friction between bolt screw rod, thereby improve the anti -loose performance when nut assembly.

[0020] Further, in another embodiment, the bottom of the moving block 3 and away from the through-hole 21 side is provided with a first mounting hole 35, and the T-shaped groove 22 away from the through-hole 21 side is provided with a second mounting hole 23. The T-shaped groove 22 is provided with a compression spring 4, one end of the compression spring 4 is installed in the first mounting hole 35, and the other end of the compression spring 4 is installed in the second mounting hole 23.

[0021] By setting the compression spring 4, a continuous compression force is provided for the moving block 3, so that the compression block 32 can always closely adhere to the thread on the surface of the bolt, thereby preventing the nut body 1 from loosening. By setting the first mounting hole 35 and the second mounting hole 23, an accurate position is provided for the installation of the compression spring 4, ensuring that the compression spring 4 can stably function.

[0022] Further, in another embodiment, the diameter of the through-hole 21 is greater than the diameter of the threaded hole of the nut body 1. Ensure that the bolt can smoothly pass through the through-hole 21 without interference with the shell 2.

[0023] Further, in another embodiment, the shell 2 is made of wear-resistant stainless steel or aluminum-silicon alloy. The shell 2 is made of wear-resistant stainless steel or aluminum-silicon alloy, which has high strength and wear resistance, can maintain good performance during long-term use, and prolong the service life of the device.

[0024] According to the description and drawings of the utility model, those skilled in the art can easily manufacture or use the utility model of a nut anti-loose locking device, and can produce the positive effects described in the utility model.

[0025] Unless otherwise stated and limited, the terms "length", "width", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like, as used herein, refer to the orientation or position of the device or element shown in the drawings, and are used only to facilitate the description of the present application and simplify the description, and do not indicate or imply that the device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore the terms describing the orientation or position of the device or element herein are only used for exemplary description, and cannot be understood as a limitation on the patent. For those skilled in the art, the specific meanings of the above terms can be understood in conjunction with the drawings and according to the specific circumstances.

[0026] Unless otherwise stated and limited, the terms "set", "connected" and "connected" in the present application should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be directly connected, or indirectly connected through an intermediate medium; it can be the communication between the two elements inside. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0027] The above is only a preferred embodiment of the present application, and does not limit the present application in any form. Any simple modification or equivalent change of the above embodiment according to the technical essence of the present application falls within the scope of protection of the present application.

Claims

1. A nut anti-loosening locking device, characterized by: The utility model provides a nut body (1) is provided with the threaded hole (11) of the screw thread, the threaded hole (11) is provided with the threaded hole (12) of the screw thread in the threaded hole (11) bottom, the threaded hole (12) is provided with the threaded hole (13) of the screw thread in the threaded hole (12) bottom, the threaded hole (13) is provided with the threaded hole (14) of the screw thread in the threaded hole (13) bottom, the threaded hole (14) is provided with the threaded hole (15) of the screw thread in the threaded hole (14) bottom, the threaded hole (15) is provided with the threaded hole (16) of the screw thread in the threaded hole (15) bottom, the threaded hole (16) is provided with the threaded hole (17) of the screw thread in the threaded hole (16) bottom, the threaded hole (17) is provided with the threaded hole (18) of the screw thread in the threaded hole (17) bottom, the threaded hole (18) is provided with the threaded hole (19) of the screw thread in the threaded hole (18) bottom, the threaded hole (19) is provided with the threaded hole (20) of the screw thread in the threaded hole (19) bottom, the threaded hole (20) is provided with the threaded hole (21) of the screw thread in the threaded hole (20) bottom, the threaded hole (21) is provided with the threaded hole (22) of the screw thread in the threaded hole (21) bottom, the threaded hole (22) is provided with the threaded hole (23) of the screw thread in the threaded hole (22) bottom, the threaded hole (23) is provided with the threaded hole (24) of the screw thread in the threaded hole (23) bottom, the threaded hole (24) is provided with the threaded hole (25) of the screw thread in the threaded hole (24) bottom, the threaded hole (25) is provided with the threaded hole (26) of the screw thread in the threaded hole (25) bottom, the threaded hole (26) is provided with the threaded hole (27) of the screw thread in the threaded hole (26) bottom, the threaded hole (27) is provided with the threaded hole (28) of the screw thread in the threaded hole (27) bottom, the threaded hole (28) is provided with the threaded hole (29) of the screw thread in the threaded hole (28) bottom, the threaded hole (29) is provided with the threaded hole (30) of the screw thread in the threaded hole (29) bottom.

2. A nut lock according to claim 1, characterized in that: The threaded hole (21) is provided with the threaded hole (22) of the screw thread in the threaded hole (21) bottom, the threaded hole (22) is provided with the threaded hole (23) of the screw thread in the threaded hole (22) bottom, the threaded hole (23) is provided with the threaded hole (24) of the screw thread in the threaded hole (23) bottom, the threaded hole (24) is provided with the threaded hole (25) of the screw thread in the threaded hole (24) bottom, the threaded hole (25) is provided with the threaded hole (26) of the screw thread in the threaded hole (25) bottom, the threaded hole (26) is provided with the threaded hole (27) of the screw thread in the threaded hole (26) bottom, the threaded hole (27) is provided with the threaded hole (28) of the screw thread in the threaded hole (27) bottom, the threaded hole ( 3. A nut lock according to claim 2, wherein: ​ 4. The nut lock according to claim 1, wherein: ​ 5. The nut lock according to claim 1, wherein: ​

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