Waterproof fully-wrapped brush servo motor speed controller

Abstract

The utility model relates to the technical field of speed controllers, and discloses a waterproof fully-wrapped brush servo motor speed controller which comprises a bottom cover, the outer wall of the bottom cover is provided with a threaded hole, the inner wall of the threaded hole is in threaded connection with a screw, the outer wall of the bottom cover is provided with a convex ring, the outer wall of the convex ring is sleeved with a waterproof layer, and the waterproof layer is connected with a brush. The outer wall of the bottom cover is provided with a through hole, the outer wall of the through hole is sleeved with a waterproof nut, and the inner cavity of the bottom cover is provided with a speed control circuit board. The waterproof nut on the device completely wraps the surface of the through hole, and the waterproof layer is used for increasing the sealing performance between the convex ring and the top cover when the convex ring on the device coincides with the top cover under the coincidence action of the top cover and the convex ring, so that water is prevented from entering the device.

Description

Technical Field

[0001] The utility model relates to the technical field of speed controllers, and particularly relates to a waterproof fully enclosed brushed servo motor speed controller. Background Technique

[0002] A speed controller is an important device for controlling the speed of mechanical equipment. The working principle of the speed controller is based on monitoring the difference between the current speed and the set speed, and adjusts the output through a series of feedback and control mechanisms to keep the equipment within the set speed range, involving various methods such as voltage regulation, current regulation, frequency regulation, and pulse width modulation.

[0003] When the existing device is in use, it usually adopts the method of docking the upper and lower shells, and after the docking is completed, it is cooperated with welding structures or sealing rubber strips and other forms to make the upper and lower covers more firm to prevent water from entering the device. However, in this way, it becomes difficult for the device to be connected to the external servo motor, and when something goes wrong inside the device, it is difficult to carry out operations such as adjustment or repair. Moreover, while maintaining the complete waterproof effect, effective measures are needed for the quick opening and closing and connection of the device. Therefore, a waterproof fully enclosed brushed servo motor speed controller that solves the above problems is required. Summary of the Utility Model

[0004] In view of the deficiencies of the prior art, the utility model provides a waterproof fully enclosed brushed servo motor speed controller, which has the advantages of strong practicability, waterproof layer, open cover connection, etc., and solves the problems raised in the above background technique.

[0005] The utility model provides the following technical solutions: A waterproof fully enclosed brushed servo motor speed controller, including a bottom cover, the outer wall of the bottom cover is provided with threaded holes, the inner wall of the threaded holes is threadedly connected with screws, the outer wall of the bottom cover is provided with a convex ring, the outer wall of the convex ring is sleeved with a waterproof layer, the outer wall of the bottom cover is provided with through holes, the outer wall of the through holes is sleeved with waterproof nuts, the inner cavity of the bottom cover is installed with a speed control circuit board, the inner wall of the bottom cover is connected with an insulating layer, the outer wall of the bottom cover is fixedly connected with a connecting wall, the inner wall of the connecting wall is threadedly connected with connecting nails, one end of a connecting piece is fixedly connected to the outer wall of the bottom cover, and the other end of the connecting piece is connected to a top cover.

[0006] As a preferred technical solution of the utility model, the inner wall of the threaded hole is provided with a rubber ring, and the screw passes through the threaded hole and the inner wall of the speed control circuit board.

[0007] As a preferred technical solution of the utility model, the inner wall of the waterproof layer is adapted to the outer wall of the convex ring in shape and size, and the waterproof layer is made of a high-elastic polymer material.

[0008] As a preferred technical solution of the present utility model, a threaded plug is fixedly connected to the inner wall of the waterproof nut, and the waterproof nut is threadedly connected to the inner wall of the through hole through the threaded plug.

[0009] As a preferred technical solution of the present utility model, the inner wall of the top cover is adapted to the outer wall of the waterproof layer, and the top cover covers the top of the bottom cover.

[0010] As a preferred technical solution of the present utility model, the top cover is connected to the connecting nail through a connecting piece, and the top cover rotates around the connecting piece as the center point.

[0011] Compared with the prior art, the present utility model has the following beneficial effects:

[0012] 1. For this waterproof fully enclosed brushed servo motor speed controller, through the mutual cooperation of the waterproof nut, through hole, convex ring, waterproof layer, and top cover on the device, the waterproof nut on the device fully wraps the surface of the through hole, and by using the overlapping effect of the top cover and the convex ring, when the convex ring on the device coincides with the top cover, the waterproof layer is used to increase the sealing performance between the convex ring and the top cover, thereby preventing water from entering the device.

[0013] 2. For this waterproof fully enclosed brushed servo motor speed controller, through the mutual cooperation of the speed control circuit board, insulating layer, top cover, and bottom cover on the device, when the speed control circuit board on the device passes through the inner wall of the insulating layer and extends to the top of the insulating layer, after the top cover rotates around the connecting piece as the center point, the connecting metal sheet on the top of the speed control circuit board can be connected to the brushed servo motor, thereby enabling the device to be opened and the connection function to be completed when needed. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is a three-dimensional structural schematic diagram of the present utility model;

[0015] Figure 2 is a structural schematic diagram of the insulating layer of the present utility model;

[0016] Figure 3 is the present utility model Figure 2 amplified schematic diagram of the structure at A in;

[0017] Figure 4 is a structural schematic diagram of the speed control circuit board of the present utility model;

[0018] Figure 5 is a structural schematic diagram of the screw of the present utility model;

[0019] Figure 6 is a structural schematic diagram of the top cover of the present utility model.

[0020] In the figure: 1. Bottom cover; 2. Threaded hole; 3. Screw; 4. Convex ring; 5. Waterproof layer; 6. Through hole; 7. Waterproof nut; 8. Speed control circuit board; 9. Insulating layer; 10. Connecting wall; 11. Connecting nail; 12. Connector; 13. Top cover. Specific implementation mode

[0021] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

[0022] Please refer to Figures 1-6 , a waterproof fully enclosed brushed servo motor speed controller, including a bottom cover 1. A threaded hole 2 is opened on the outer wall of the bottom cover 1. The inner wall of the threaded hole 2 is threadedly connected with a screw 3. A convex ring 4 is provided on the outer wall of the bottom cover 1. A waterproof layer 5 is sleeved on the outer wall of the convex ring 4. A through hole 6 is provided on the outer wall of the bottom cover 1. A waterproof nut 7 is sleeved on the outer wall of the through hole 6. A speed control circuit board 8 is installed in the inner cavity of the bottom cover 1. An insulating layer 9 is connected to the inner wall of the bottom cover 1. A connecting wall 10 is fixedly connected to the outer wall of the bottom cover 1. The inner wall of the connecting wall 10 is threadedly connected with a connecting nail 11. One end of a connector 12 is fixedly connected to the outer wall of the bottom cover 1, and the other end of the connector 12 is connected to a top cover 13. By providing a connecting metal sheet on the top of the speed control circuit board 8 on the device, the speed control circuit board 8 on the device passes through the inner wall of the insulating layer 9 through the connecting metal sheet and is connected to the external servo motor, so that the speed control circuit board 8 on the device can control the rotation speed of the servo motor.

[0023] In a preferred implementation mode, a rubber ring is provided on the inner wall of the threaded hole 2, and the screw 3 passes through the inner walls of the threaded hole 2 and the speed control circuit board 8. By providing a rubber ring on the inner wall of the threaded hole 2 on the device, a rubber ring is provided on the inner wall of the threaded hole 2 on the device. When the screw 3 passes through the inner walls of the threaded hole 2 and the speed control circuit board 8, the threaded hole 2 and the speed control circuit board 8 on the device are connected together, and the gap of the threaded hole 2 is sealed by the rubber ring.

[0024] In a preferred implementation mode, the inner wall of the waterproof layer 5 is adapted to the outer wall of the convex ring 4 in terms of shape and size, and the waterproof layer 5 is made of a high-elastic polymer material. By making the inner wall of the waterproof layer 5 on the device adapted to the outer wall of the convex ring 4 in terms of shape and size, the waterproof layer 5 on the device can be sleeved on the outer wall of the convex ring 4, and by using the high elasticity and deformation ability of the waterproof layer 5, the waterproof layer 5 on the device can play a sealing role on the outer wall of the convex ring 4.

[0025] In a preferred embodiment, a threaded plug is fixedly connected to the inner wall of the waterproof nut 7, and the waterproof nut 7 is threadedly connected to the inner wall of the through hole 6 through the threaded plug. Since the threaded plug is fixedly connected to the inner wall of the waterproof nut 7 on the device, the waterproof nut 7 on the device is connected to the through hole 6 through the threaded plug, and the waterproof nut 7 is used for sealing outside the through hole 6 to prevent water from entering the device through the diameter of the through hole 6.

[0026] In a preferred embodiment, the inner wall of the top cover 13 is adapted to the outer wall of the waterproof layer 5, and the top cover 13 covers the top of the bottom cover 1. Since the inner wall of the top cover 13 on the device is adapted to the outer wall of the waterproof layer 5, when the top cover 13 on the device covers the top of the bottom cover 1, the top cover 13 and the bottom cover 1 overlap, so that the inner wall of the top cover 13 on the device is buckled to the outer wall of the waterproof layer 5, and thus a good sealing environment is formed between the waterproof layer 5 and the top cover 13 and the convex ring 4.

[0027] In a preferred embodiment, the top cover 13 is connected to the connecting nail 11 through the connecting piece 12, and the top cover 13 rotates around the connecting piece 12 as the center point. Since the top cover 13 on the device is connected to the connecting nail 11 through the connecting piece 12, when the top cover 13 on the device rotates around the connecting piece 12 as the center point, the top cover 13 can be opened and closed with the bottom cover 1, so that when the speed control circuit board 8 on the device needs to be connected to the outside, the top cover 13 is used for opening the cover operation.

[0028] Working principle: First, through the mutual cooperation of the waterproof nut 7, the through hole 6, the convex ring 4, the waterproof layer 5, and the top cover 13 on the device, the waterproof nut 7 on the device completely wraps the surface of the through hole 6, and by the overlapping action of the top cover 13 and the convex ring 4, when the convex ring 4 and the top cover 13 on the device overlap, the waterproof layer 5 is used to increase the sealing performance between the convex ring 4 and the top cover 13, thereby preventing water from entering the device. Then, through the mutual cooperation of the speed control circuit board 8, the insulating layer 9, the top cover 13, and the bottom cover 1 on the device, when the speed control circuit board 8 on the device passes through the inner wall of the insulating layer 9 and extends to the top of the insulating layer 9, after the top cover 13 rotates around the connecting piece 12 as the center point, the connecting metal sheet on the top of the speed control circuit board 8 can be connected to the brushed servo motor, and thus the device can be opened and the connection function can be completed when needed.

[0029] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirits of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A waterproof fully enclosed brushed servo motor speed controller, comprising a bottom cover (1), characterized in that: The outer wall of the bottom cover (1) is provided with a threaded hole (2), the inner wall of the threaded hole (2) is threadedly connected with a screw (3), the outer wall of the bottom cover (1) is provided with a convex ring (4), the outer wall of the convex ring (4) is sleeved with a waterproof layer (5), the outer wall of the bottom cover (1) is provided with a through hole (6), the outer wall of the through hole (6) is sleeved with a waterproof nut (7), the inner cavity of the bottom cover (1) is installed with a speed control circuit board (8), the inner wall of the bottom cover (1) is connected with an insulating layer (9), the outer wall of the bottom cover (1) is fixedly connected with a connecting wall (10), the inner wall of the connecting wall (10) is threadedly connected with a connecting nail (11), the outer wall of the bottom cover (1) is fixedly connected with one end of a connecting piece (12), and the other end of the connecting piece (12) is connected to a top cover (13).

2. A waterproof fully enclosed brushed servo motor speed controller according to claim 1, characterized in that: The inner wall of the threaded hole (2) is provided with a rubber ring, and the screw (3) passes through the threaded hole (2) and the inner wall of the speed control circuit board (8).

3. A waterproof fully enclosed brushed servo motor speed controller according to claim 1, characterized in that: The inner wall of the waterproof layer (5) is matched in shape and size to the outer wall of the convex ring (4), and the waterproof layer (5) is made of a highly elastic polymer material.

4. A waterproof fully enclosed brushed servo motor speed controller according to claim 1, characterized in that: A threaded plug is fixedly connected to the inner wall of the waterproof nut (7), and the waterproof nut (7) is threadedly connected to the inner wall of the through hole (6) via the threaded plug.

5. A waterproof fully enclosed brushed servo motor speed controller according to claim 1, characterized in that: The inner wall of the top cover (13) is matched to the outer wall shape of the waterproof layer (5), and the top cover (13) covers the top of the bottom cover (1).

6. A waterproof fully enclosed brushed servo motor speed controller according to claim 1, characterized in that: The top cover (13) is connected to the connecting nail (11) via a connecting piece (12), and the top cover (13) rotates with the connecting piece (12) as a center point.

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