Permanent magnet stepping motor with good waterproof performance

Abstract

The utility model belongs to the technical field of stepping motors, in particular to a permanent magnet stepping motor with good waterproof performance, which comprises a fixed box, a water retaining pipe is fixedly mounted at the bottom of the fixed box, a stepping motor is arranged on the inner side of the fixed box, and a connecting flange is fixedly mounted on the outer side of the stepping motor. Through the arranged cushioning assembly, after a stepping motor is fixed to the inner side of a fixing box through a connecting flange, a first control motor can be controlled to drive a lead screw to rotate, the lead screw can drive a sliding block to slide in the opposite direction after rotating, and the sliding block drives a clamping block to clamp and fix the stepping motor; in the process that the stepping motor is clamped, cushioning can be carried out through cooperation of a sliding rod, a spring and a limiting block, so that the stepping motor can counteract vibration force through a buffer plate and the spring in the vibration process, noise is reduced, and the stepping motor and the fixing box are tightly connected.

Description

Technical Field

[0001] The utility model relates to the technical field of stepping motors, in particular to a permanent magnet stepping motor with good waterproof performance. Background Art

[0002] The stepper motor is an induction motor. Its working principle is to use electronic circuits to convert direct current into time-sharing power supply and multi-phase timing control current. This current is used to power the stepper motor, so that the stepper motor can work normally. Since the stepper motor has electrical components such as coils inside, the stepper motor needs a good waterproof protection device. In addition, the stepper motor generates a lot of heat during operation, which accelerates the aging of its internal parts and shortens its service life.

[0003] The announcement number CN 208571790 U discloses a permanent magnet stepper motor with good waterproof performance, including a stepper motor, the stepper motor including a body and a rotating shaft, one end of the body of the stepper motor is fixedly connected with a mounting seat, the mounting seat is rotatably connected to the rotating shaft of the stepper motor, a protective shell is provided at the outer end of the body of the stepper motor, the protective shell and the mounting seat are detachably connected by fixing bolts, the protective shell is composed of a heat dissipation outer shell and a waterproof inner shell, the waterproof inner shell is located inside the heat dissipation outer shell, and a plurality of heat sinks are evenly arranged on the end surface of the outer wall of the heat dissipation outer shell;

[0004] When in use, the stepper motor will shake, making it noisy. Long-term vibration can easily cause multiple parts to separate, loosen the connection, and the cooling fan blades on the rear side of the device are prone to water ingress. Therefore, we propose a permanent magnet stepper motor with good waterproof performance. Utility Model Content

[0005] The utility model aims to provide a permanent magnet stepping motor with good waterproof performance, which solves the existing problems.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A permanent magnet stepper motor with good waterproof performance comprises a fixed box, a water retaining pipe is fixedly installed on the bottom of the fixed box, a stepper motor is arranged on the inner side of the fixed box, and a connecting flange is fixedly installed on the outer side of the stepper motor; a shock absorbing component is installed on the fixed box; and a heat dissipation component is installed on the fixed box.

[0008] As a further improvement of the above scheme, the shock-absorbing assembly includes a first control motor, a screw rod, a sliding block, a clamping block, a slide rod, a spring, a limit block and a buffer plate. The first control motor is fixedly installed on the left and right sides of the top of the fixed box, the screw rod is fixedly installed on the output end of the first control motor, the sliding block is threadedly installed on the upper and lower sides of the outer side of the screw rod, the clamping block is fixedly installed on one side of the sliding block, the slide rod is slidably installed on the left and right sides of one side of the clamping block, one end of the spring is fixedly installed on the left and right sides of one side of the clamping block, the limit block is fixedly installed on the outside of one end of the slide rod, the buffer plate is fixedly installed on the outside of the other end of the slide rod, and the other end of the spring is fixedly installed on one side of the buffer plate.

[0009] As a further improvement of the above scheme, the heat dissipation assembly includes an installation box, a second control motor, a drive shaft, heat dissipation fans and a filter. The installation box is fixedly installed at the bottom of the fixed box, the second control motor is fixedly installed at the top of the installation box, the drive shaft is fixedly installed at the output end of the second control motor, the heat dissipation fans are fixedly installed around the outer side of the drive shaft, and the filter is fixedly installed at the bottom of the installation box.

[0010] As a further improvement of the above solution, threaded holes are provided at four corners of one side of the connecting flange and the fixing box, and fixing bolts are provided inside the threaded holes.

[0011] As a further improvement of the above solution, ventilation holes are provided at the top and bottom of the installation box, and the filter screen fits in the ventilation holes.

[0012] As a further improvement of the above solution, the shape of the clamping block is L-shaped, a through slot is provided on one side of the sliding block, an internal thread is provided on the inner side of the through slot, and the screw rod is engaged with the internal thread hole.

[0013] As a further improvement of the above solution, a slide groove is provided on one side of the clamping block, the outer diameter of the slide rod is the same as the inner diameter of the slide groove, and the outer diameter of the limit block is larger than the inner diameter of the slide groove.

[0014] As a further improvement of the above solution, a protective cushion is provided on one side of the buffer plate, the material of the protective cushion is rubber material, and the buffer plate fits the stepper motor.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] (1) The utility model provides a permanent magnet stepper motor with good waterproof performance. Through the provided damping assembly, after the stepper motor is fixed to the inner side of the fixed box through the connecting flange, the first control motor can be controlled to drive the screw rod to rotate, so that the screw rod can drive the sliding block to slide in the opposite direction after rotation, so that the sliding block drives the clamping block to clamp and fix the stepper motor. During the clamping process of the stepper motor, the vibration can be damped through the cooperation of the sliding rod, the spring and the limit block, so that during the vibration process of the stepper motor, the vibration force can be offset by the buffer plate and the spring, thereby reducing noise and making the connection between the stepper motor and the fixed box tighter;

[0017] (2) The utility model is a permanent magnet stepper motor with good waterproof performance. By setting a heat dissipation component, the installation box is fixed to the bottom of the fixed box, and the water flow is not easy to flow into the inner side of the installation box through the water retaining pipe. The second control motor is controlled to drive the drive shaft and the heat dissipation fan to rotate, so that the heat dissipation fan can discharge the heat generated by the stepper motor after rotation, and the filter net prevents dust from entering the inner side of the fixed box. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0019] Figure 1 This is a three-dimensional structural schematic diagram of a permanent magnet stepping motor with good waterproof performance proposed by the utility model;

[0020] Figure 2 It is a partial three-dimensional structural schematic diagram of a permanent magnet stepping motor with good waterproof performance proposed by the utility model;

[0021] Figure 3 It is a partial three-dimensional structural schematic diagram of a permanent magnet stepping motor with good waterproof performance proposed by the utility model;

[0022] Figure 4 for Figure 3 Schematic diagram of the structure of part A in .

[0023] In the figure: 1. fixing box; 2. water retaining pipe; 3. stepping motor; 4. connecting flange; 5. first control motor; 6. screw rod; 7. sliding block; 8. clamping block; 9. sliding rod; 10. spring; 11. limit block; 12. buffer plate; 13. installation box; 14. second control motor; 15. driving shaft; 16. cooling fan; 17. filter. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] refer to Figure 1-4 , a permanent magnet stepper motor with good waterproof performance comprises a fixed box, a water retaining pipe is fixedly installed at the bottom of the fixed box, a stepper motor is arranged on the inner side of the fixed box, and a connecting flange is fixedly installed on the outer side of the stepper motor; a damping component, the damping component is installed on the fixed box; a heat dissipation component, the heat dissipation component is installed on the fixed box; the damping component comprises a first control motor, a screw rod, a sliding block, a clamping block, a slide rod, a spring, a limit block and a buffer plate, the first control motor is fixedly installed on the top left and right sides of the fixed box, the screw rod is fixedly installed on the output end of the first control motor, the sliding block is threadedly installed on the upper and lower sides of the outer side of the screw rod, the clamping block is fixedly installed on one side of the sliding block, the slide rod is slidably installed on the left and right sides of one side of the clamping block, one end of the spring is fixedly installed on the left and right sides of one side of the clamping block, the limit block is fixedly installed on the outer side of one end of the slide rod, the buffer plate is fixedly installed on the outer side of the other end of the slide rod, and the other end of the spring is fixedly installed on one side of the buffer plate, and the buffer plate is convenient for protecting the connecting flange, so that the connecting flange is relatively stable after being fixed, and the connecting flange is not easy to generate noise when vibrating.

[0026] The heat dissipation component includes an installation box, a second control motor, a drive shaft, heat dissipation fans and a filter. The installation box is fixedly installed at the bottom of the fixed box, the second control motor is fixedly installed at the top of the installation box, the drive shaft is fixedly installed at the output end of the second control motor, the heat dissipation fans are fixedly installed around the outer side of the drive shaft, and the filter is fixedly installed at the bottom of the installation box, so that the second control motor can drive the drive shaft and the heat dissipation fans to rotate, thereby accelerating air circulation and achieving better heat dissipation effect; threaded holes are provided at the four corners of one side of the connecting flange and the fixed box, and fixing bolts are provided on the inner side of the threaded holes, so that the stepper motor can be fixed on the top of the fixed box by the fixing bolts, so that the connection between the connecting flange and the fixed box is relatively stable and not easy to separate; ventilation holes are provided at the top and bottom of the installation box, and the filter is fitted with the ventilation holes. The ventilation holes facilitate the air circulation of the device, and the filter prevents dust on the outside from entering the inner side of the fixed box.

[0027] The shape of the clamping block is L-shaped, and a through groove is provided on one side of the sliding block, and an internal thread is provided on the inner side of the through groove. The screw rod is meshed with the internal thread hole, and the through groove facilitates the opening of the internal thread, so that the screw rod can drive the sliding direction of the sliding block through the direction of the internal thread after rotation, so that the sliding block can slide in the opposite direction after being subjected to force, so that the sliding block can drive the clamping block to clamp and fix the stepper motor; a slide groove is provided on one side of the clamping block, the outer diameter of the slide rod is the same as the inner diameter of the slide groove, and the outer diameter of the limit block is larger than the inner diameter of the slide groove, so that the slide rod can slide on the inner side of the slide groove, and the limit block prevents the slide rod from sliding out of the inside of the slide groove; a protective pad is provided on one side of the buffer plate, and the material of the protective pad is rubber material. The buffer plate fits the stepper motor, so that the stepper motor can be protected by the protective pad during shaking, so that the stepper motor is not easily damaged.

[0028] The implementation principle of one embodiment of the present application is as follows: after the stepper motor 3 is fixed to the inner side of the fixed box 1 through the connecting flange 4, the first control motor 5 can be controlled to drive the screw rod 6 to rotate, so that the screw rod 6 can drive the sliding block 7 to slide in the opposite direction after rotation, so that the sliding block 7 drives the clamping block 8 to clamp and fix the stepper motor 3. During the clamping process of the stepper motor 3, the sliding rod 9, the spring 10 and the limit block 11 can cooperate to cushion the vibration, so that the stepper motor 3 can offset the vibration force through the buffer plate 12 and the spring 10 during the vibration process, thereby reducing the noise and making the connection between the stepper motor 3 and the fixed box 1 tighter; the installation box 13 is fixed to the bottom of the fixed box 1, and the water retaining pipe 2 can be used to prevent the water from flowing into the inner side of the installation box 13, and the second control motor 14 is controlled to drive the drive shaft 15 and the heat dissipation fan 16 to rotate, so that the heat dissipation fan 16 can discharge the heat generated by the stepper motor 3 after rotation, and the filter 17 prevents dust from entering the inner side of the fixed box 1.

[0029] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0030] The above is a detailed introduction to a permanent magnet stepper motor with good waterproof performance provided by the utility model. This article uses specific embodiments to explain the principle and implementation method of the utility model. The description of the above embodiments is only used to help understand the method and core idea of ​​the utility model. It should be pointed out that for ordinary technicians in this technical field, without departing from the principle of the utility model, the utility model can also be improved and modified, and these improvements and modifications also fall within the scope of protection of the claims of the utility model.

Claims

1. A permanent magnet stepping motor with good waterproof performance, characterized in that: include: A fixed box (1), a water retaining pipe (2) is fixedly mounted on the bottom of the fixed box (1), a stepping motor (3) is arranged on the inner side of the fixed box (1), and a connecting flange (4) is fixedly mounted on the outer side of the stepping motor (3); A shock absorbing component, wherein the shock absorbing component is mounted on the fixed box (1); A heat dissipation component is installed on the fixed box (1).

2. A permanent magnet stepping motor with good waterproof performance according to claim 1, characterized in that: The damping assembly comprises a first control motor (5), a screw rod (6), a sliding block (7), a clamping block (8), a slide bar (9), a spring (10), a limit block (11) and a buffer plate (12); the first control motor (5) is fixedly mounted on the left and right sides of the top of the fixed box (1); the screw rod (6) is fixedly mounted on the output end of the first control motor (5); the sliding block (7) is threadedly mounted on the upper and lower sides of the outer side of the screw rod (6); the clamping block (8) is fixedly mounted on one side of the sliding block (7); the slide bar (9) is slidably mounted on the left and right sides of one side of the clamping block (8); one end of the spring (10) is fixedly mounted on the left and right sides of one side of the clamping block (8); the limit block (11) is fixedly mounted on the outer side of one end of the slide bar (9); the buffer plate (12) is fixedly mounted on the outer side of the other end of the slide bar (9); and the other end of the spring (10) is fixedly mounted on one side of the buffer plate (12).

3. A permanent magnet stepping motor with good waterproof performance according to claim 1, characterized in that: The heat dissipation assembly comprises an installation box (13), a second control motor (14), a drive shaft (15), a heat dissipation fan (16) and a filter (17); the installation box (13) is fixedly mounted on the bottom of the fixed box (1); the second control motor (14) is fixedly mounted on the top of the installation box (13); the drive shaft (15) is fixedly mounted on the output end of the second control motor (14); the heat dissipation fan (16) is fixedly mounted on the outer side of the drive shaft (15); and the filter (17) is fixedly mounted on the bottom of the installation box (13).

4. A permanent magnet stepping motor with good waterproof performance according to claim 1, characterized in that: The four corners of one side of the connecting flange (4) and the fixing box (1) are provided with threaded holes, and fixing bolts are arranged inside the threaded holes.

5. A permanent magnet stepping motor with good waterproof performance according to claim 3, characterized in that: The top and bottom of the installation box (13) are provided with ventilation holes, and the filter screen (17) fits in the ventilation holes.

6. A permanent magnet stepping motor with good waterproof performance according to claim 2, characterized in that: The clamping block (8) is L-shaped, a through slot is provided on one side of the sliding block (7), an internal thread is provided on the inner side of the through slot, and the screw rod (6) is meshed with the internal thread hole.

7. A permanent magnet stepping motor with good waterproof performance according to claim 2, characterized in that: A slide groove is provided on one side of the clamping block (8), the outer diameter of the slide rod (9) is the same as the inner diameter of the slide groove, and the outer diameter of the limit block (11) is larger than the inner diameter of the slide groove.

8. A permanent magnet stepping motor with good waterproof performance according to claim 2, characterized in that: A protective cushion is provided on one side of the buffer plate (12), the material of the protective cushion is rubber, and the buffer plate (12) fits the stepping motor (3).

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