Bolt anti-loosening device for motor

Abstract

The utility model discloses a bolt anti-loosing device for motor, and specifically relates to the motor fastener field, the bolt anti-loosing device comprises a fixed plate and a plurality of bolt bodies, the plurality of bolt bodies are in threaded connection with the fixed plate, the upper end face of the fixed plate is fixedly provided with the bolt bodies, the top end of each bolt body is fixedly provided with a screw cap, and the screw cap is fixedly provided with a nut. And each bolt body is in threaded connection with a nut. The limiting device, the spring gasket and the like are arranged, in the limiting device, a spring is matched with a limiting block, after the nut is screwed down, the limiting block is tightly attached to the inner wall of the nut through elastic force of the spring, rotation and axial movement of the nut are effectively limited, the elastic gasket is pressed to deform to generate continuous restoring force, friction force between the nut and the fixing plate is increased, and vibration impact is buffered; bolt loosening is avoided through double protection, stable connection of all parts of the motor is ensured, the fault risk caused by bolt loosening is reduced, and long-term stable operation of the motor is ensured.

Description

Technical Field

[0001] This utility model relates to the field of motor fasteners, and more specifically, to a bolt anti-loosening device for motors. Background Technology

[0002] An electric motor is an electromagnetic device that converts or transmits electrical energy to mechanical energy based on the law of electromagnetic induction. As a core power component, the stable operation of an electric motor is crucial in various mechanical equipment.

[0003] The secure installation of the motor relies on bolt connections. During motor operation, the bolts fixing the motor are prone to loosening due to vibrations generated by the motor itself and the influence of external environmental factors. Loose bolts can cause the motor to shift in its installation position, affecting the normal operation of the motor, and may even lead to motor failure, equipment damage, and safety accidents.

[0004] Therefore, it is necessary to redesign a bolt anti-loosening device for motors to address the above-mentioned problems. Utility Model Content

[0005] In order to overcome the above-mentioned defects of the prior art, the present invention provides a bolt anti-loosening device for motors.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A bolt anti-loosening device for an electric motor includes a fixing plate and multiple bolt bodies, with the multiple bolt bodies threadedly connected to the fixing plate. A motor is fixedly installed on the upper end face of the fixing plate. A nut is fixedly installed on the top of each bolt body. A nut is threadedly connected to each bolt body. Multiple fixing grooves are symmetrically and evenly spaced on the outer wall of each bolt body. A limiting device is provided in each fixing groove.

[0008] In a preferred embodiment, each of the limiting devices includes two springs, which are symmetrically fixedly connected to the inner wall of the fixing groove. One end of each of the two springs is fixedly connected to a limiting block, and the limiting block is slidably connected in the fixing groove at the corresponding position.

[0009] In a preferred embodiment, the bottom of each of the fixing slots is rounded.

[0010] In a preferred embodiment, each nut has a mounting groove at its bottom end, and an elastic washer is fixedly connected in each mounting groove.

[0011] In a preferred embodiment, the upper surface of the fixing plate is provided with a heat dissipation groove.

[0012] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0013] This utility model incorporates a limiting device and a spring washer. In the limiting device, the spring cooperates with the limiting block. After the nut is tightened, the spring force causes the limiting block to fit tightly against the inner wall of the nut, effectively restricting the rotation and axial movement of the nut. The elastic washer deforms under pressure, generating a continuous restoring force, which increases the friction between the nut and the fixing plate, buffering vibration and impact. This double protection prevents the bolts from loosening, ensuring a stable connection of all motor components, reducing the risk of failure caused by loose bolts, and guaranteeing the long-term stable operation of the motor. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of a bolt anti-loosening device for an electric motor proposed in this utility model;

[0015] Figure 2 This is a schematic diagram of the bolt body portion of a bolt anti-loosening device for motors proposed in this utility model;

[0016] Figure 3 This is a schematic diagram of the mounting groove portion of a bolt anti-loosening device for an electric motor proposed in this utility model;

[0017] Figure 4 This is a schematic diagram of the fixing groove portion of a bolt anti-loosening device for motors proposed in this utility model.

[0018] In the diagram: 1. Fixing plate; 2. Bolt body; 3. Motor; 4. Nut; 5. Nut; 6. Mounting groove; 7. Elastic washer; 8. Limiting block; 9. Fixing groove; 10. Spring. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0020] Reference Figure 1-4 A bolt anti-loosening device for an electric motor includes a fixing plate 1 and multiple bolt bodies 2, with the multiple bolt bodies 2 threadedly connected to the fixing plate 1. A motor 3 is fixedly installed on the upper end face of the fixing plate 1. A nut 4 is fixedly installed on the top of each bolt body 2. A nut 5 is threadedly connected to each bolt body 2. Multiple fixing grooves 9 are symmetrically opened at equal intervals on the outer wall of each bolt body 2. A limiting device is provided in each fixing groove 9.

[0021] Each limiting device includes two springs 10, and the two springs 10 are symmetrically fixedly connected to the inner side wall of the fixing groove 9. One end of the two springs 10 is fixedly connected to the limiting block 8, and the limiting block 8 is slidably connected in the corresponding fixing groove 9. The bottom end of each fixing groove 9 is rounded.

[0022] Each nut 4 has a mounting groove 6 at its bottom, and an elastic washer 7 is fixedly connected in each mounting groove 6. The elastic washer 7 undergoes elastic deformation when compressed during bolt installation, continuously providing elastic restoring force and increasing the friction between the nut 4 and the fixing plate 1. This effectively buffers the vibration and impact force of the motor 3 during operation, as if adding a "buffer pad" between the nut 4 and the fixing plate 1, preventing the nut 4 from loosening and further enhancing the stability of the bolt connection.

[0023] The upper surface of the fixing plate 1 is provided with a heat dissipation groove, which provides an efficient heat dissipation channel for the heat generated by the motor 3 during operation.

[0024] When this utility model is in use, when the nut 5 is tightened, the inner wall of the nut 5 presses against the limiting block 8, causing the limiting block 8 to slide into the fixing groove 9 against the elastic force of the spring 10. When the motor 3 vibrates or an external force attempts to loosen the bolt during operation, the limiting block 8, under the elastic force of the spring 10, always stays close to the inner wall of the nut 5, restricting the rotation and axial movement of the nut 5. This prevents the nut 5 from loosening from a mechanical limiting angle, thereby avoiding the loosening of the bolt body 2. At the same time, the bottom of the fixing groove 9 is rounded, which helps the limiting block 8 to slide more smoothly in the fixing groove 9 when it comes into contact with an object, reducing frictional resistance and ensuring the reliability of the limiting device.

[0025] An elastic washer 7 is fixedly connected in the mounting groove 6 at the bottom of the nut 4. During the bolt installation process, the elastic washer 7 is compressed and generates elastic deformation, providing continuous elastic recovery force, increasing the friction between the nut 4 and the fixing plate 1, buffering the vibration and impact force of the motor 3 during operation, and preventing the nut 4 from loosening. In addition, the heat dissipation groove on the upper surface of the fixing plate 1 helps to dissipate heat during the operation of the motor 3.

[0026] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A bolt anti-loosening device for an electric motor, comprising a fixing plate (1) and a plurality of bolt bodies (2), wherein the plurality of bolt bodies (2) are threadedly connected to the fixing plate (1), characterized in that: A motor (3) is fixedly installed on the upper end face of the fixing plate (1), a nut (4) is fixedly installed on the top of each bolt body (2), a nut (5) is threaded onto each bolt body (2), and multiple fixing grooves (9) are symmetrically opened at equal intervals on the outer wall of each bolt body (2), and a limiting device is provided in each fixing groove (9).

2. The anti-loosening device for motor bolts according to claim 1, characterized in that: Each of the limiting devices includes two springs (10), and the two springs (10) are symmetrically fixedly connected to the inner wall of the fixing groove (9). One end of the two springs (10) is fixedly connected to a limiting block (8), and the limiting block (8) is slidably connected in the fixing groove (9) with the corresponding position.

3. The anti-loosening device for motor bolts according to claim 2, characterized in that: The bottom of each of the fixing slots (9) is rounded.

4. The anti-loosening device for motor bolts according to claim 1, characterized in that: Each of the nuts (4) has a mounting groove (6) at its bottom end, and each of the mounting grooves (6) has an elastic washer (7) fixedly connected inside.

5. The anti-loosening device for motor bolts according to claim 1, characterized in that: The upper surface of the fixing plate (1) is provided with a heat dissipation groove.

Images