Motor end cover

Abstract

The utility model belongs to the technical field of end covers, and particularly relates to a motor end cover which comprises an end cover body, and the outer side wall of the end cover body is in contact with a protective cover. The outer side wall of the end cover body is rotationally connected with a plurality of first connecting columns. A plurality of teeth are fixedly connected to the outer side wall of the first connecting column; the outer side wall of the end cover body is rotationally connected with a plurality of gear columns. The outer side wall of the gear column is fixedly connected with a fixing plate. The fixing plate is not in contact with the first connecting column; the outer side wall of the first connecting column is fixedly connected with a connecting port; a plurality of first notches are formed in the side wall of the protective cover; a plurality of second notches are formed in the side wall of the protective cover; through the arrangement of the first connecting column and the gear column, the protective covers with different shapes can be fixed on the side wall of the end cover body, so that a worker can fix the protective covers with different types on the side wall of the end cover body according to different requirements, the requirements of customers are met, and the situation that the end cover body needs to be subjected to mold opening again when the protective covers are changed is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of end covers, and specifically relates to an end cover for an electric motor. Background Art

[0002] The end cover is an important part of an electric vehicle, and it plays a key role in the operation and maintenance of the electric vehicle. As one of the external components of the electric vehicle, the end cover of the electric vehicle can enhance the overall beauty of the electric vehicle, making it look more fashionable and dynamic. At the same time, it can also effectively protect the core components such as the internal motor of the electric vehicle.

[0003] At present, the end cover group of an electric vehicle mainly consists of two parts, the surface pattern and the base, which are usually directly formed by die-casting. The materials of the end cover of the electric vehicle are diverse, and commonly used ones include aluminum alloy, plastic, metal material composite, etc. Different materials and appearances are selected according to different actual needs.

[0004] Most of the end covers have the same size, only the appearance is different. In order to meet the appearance requirements of different customers, the manufacturer will re-develop die-casting molds with different types of appearances. When producing end covers with the same size but different appearances, it is necessary to open multiple molds of the same size type. Therefore, an end cover for an electric motor is proposed to solve the above problems. Content of the Utility Model

[0005] In order to make up for the deficiencies of the prior art and solve at least one technical problem proposed in the background art, the utility model proposes an end cover for an electric motor.

[0006] The technical solution adopted by the utility model to solve its technical problems is as follows: An end cover for an electric motor according to the utility model includes an end cover body, and a protective cover is in contact with the outer side wall of the end cover body; a plurality of first connecting columns are rotatably connected to the outer side wall of the end cover body; a plurality of teeth are fixedly connected to the outer side wall of the first connecting column; a plurality of gear columns are rotatably connected to the outer side wall of the end cover body; a fixing plate is fixedly connected to the outer side wall of the gear column; the fixing plate is not in contact with the first connecting column; a connecting port is fixedly connected to the outer side wall of the first connecting column; a plurality of first slots are opened on the side wall of the protective cover; a plurality of second slots are opened on the side wall of the protective cover; the second slot is in contact with the fixing plate; the fixing plate has the same width as the first slot.

[0007] Preferably, a plurality of sealing plates are slidably connected to the side wall of the protective cover; a plurality of sliding grooves are opened on the side wall of the protective cover; a fixing column is fixedly connected to the outer side wall of the sealing plate; a connecting plate is rotatably connected to the outer side wall of the fixing column; a plurality of threaded columns are fixedly connected to the outer side wall of the end cover body; a bolt limiting block is threadedly connected to the outer side wall of the threaded column; the bolt limiting block is in contact with the connecting plate; a filter screen is fixedly connected to the inner side wall of the end cover body; the sealing plate is in sliding contact with the sliding groove.

[0008] Preferably, a plurality of second connecting columns are fixedly connected to the side wall of the protective cover; a brush plate is rotatably connected to the outer side wall of the second connecting column; a plurality of first bristles are fixedly connected to the outer side wall of the brush plate; the first bristles are in contact with the filter net; a fixing bolt is threadedly connected to the top of the outer side wall of the second connecting column; the fixing bolt is in contact with the brush plate.

[0009] Preferably, a plurality of support columns are fixedly connected to the side wall of the end cover body; a plurality of second bristles are fixedly connected to the outer side wall of the support columns; the second bristles are in contact with the teeth; the second bristles are in contact with the gear column.

[0010] Preferably, a plurality of sealing gaskets are arranged on the outer side wall of the protective cover; the outer side wall of the connection port is in contact with the sealing gasket.

[0011] Preferably, a gasket is fixedly connected to the side wall of the second notch; the gasket is in contact with the fixing plate.

[0012] Preferably, a plurality of ball bearings are arranged on the side wall of the protective cover; the ball bearings rotate on the side wall of the protective cover; the ball bearings cannot break away from the protective cover; the ball bearings are in contact with the fixing plate.

[0013] Advantages of the present utility model:

[0014] 1. The present utility model provides a motor end cover. By providing the first connecting column and the gear column, protective covers with different shapes can be fixed on the side wall of the end cover body, enabling staff to fix different types of protective covers on the side wall of the end cover body according to different requirements, meeting the requirements of customers, and reducing the situation of having to re-open the mold for the end cover body when changing the protective cover.

[0015] 2. The present utility model provides a motor end cover. By providing the filter net and the sealing plate, staff can adjust the equipment according to the actual situation. When the temperature of the motor is too high, it can assist the motor in heat dissipation work, reducing faults caused by overheating of the motor. At the same time, the filter net can block foreign objects and dust from entering the equipment interior, reducing the situation where the motor is affected by dust and impurities during the heat dissipation process. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings described herein are used to provide a further understanding of the present utility model and constitute a part of this application. The schematic embodiments of the present utility model and their descriptions are used to explain the present utility model and do not constitute an improper limitation to the present utility model. In the drawings:

[0017] Figure 1 is a three-dimensional view of the present utility model;

[0018] Figure 2 is a three-dimensional view of the first notch in the present utility model;

[0019] Figure 3It is a perspective view of the second notch in the present utility model;

[0020] Figure 4 It is a perspective view of the connecting plate in the present utility model;

[0021] Figure 5 It is a perspective view of the brush plate in the present utility model;

[0022] Figure 6 It is an enlarged view of A in the present utility model.

[0023] Legend Explanation:

[0024] 1. End cover body; 11. Protection cover; 12. First connecting column; 13. Teeth; 14. Gear column; 15. Fixed plate; 16. Connection port; 17. First notch; 18. Second notch; 2. Sealing plate; 21. Slide groove; 22. Fixed column; 23. Connecting plate; 24. Threaded column; 25. Bolt limit block; 26. Filter screen; 3. Second connecting column; 31. Brush plate; 32. First brush hair; 33. Fixed bolt; 4. Support column; 41. Second brush hair; 5. Sealing gasket; 6. Gasket; 7. Ball. Detailed Embodiment

[0025] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0026] The following gives specific embodiments.

[0027] Please refer to Figure 1 - Figure 6, the present utility model provides a motor end cover, including an end cover body 1. A protective cover 11 is in contact with the outer side wall of the end cover body 1; several first connecting columns 12 are rotatably connected to the outer side wall of the end cover body 1; several teeth 13 are fixedly connected to the outer side wall of the first connecting columns 12; several gear columns 14 are rotatably connected to the outer side wall of the end cover body 1; a fixing plate 15 is fixedly connected to the outer side wall of the gear columns 14; the fixing plate 15 does not contact the first connecting columns 12; a connecting port 16 is fixedly connected to the outer side wall of the first connecting columns 12; several first slots 17 are formed in the side wall of the protective cover 11; several second slots 18 are formed in the side wall of the protective cover 11; the second slots 18 are in contact with the fixing plate 15; the fixing plate 15 has the same width as the first slots 17. When installing the device, align the first slots 17 with the fixing plate 15, make the protective cover 11 contact the end cover body 1, insert a tool into the connecting port 16, rotate the tool to drive the connecting port 16 to rotate, and then drive the first connecting columns 12 to rotate. At this time, the fixing plate 15 will expand to both sides and contact the second slots 18, and at this time, the end cover body 1 is fixed on the side wall of the end cover body 1. When disassembling, reverse the connecting port 16. By setting the first connecting columns 12 and the gear columns 14, protective covers 11 with different shapes can be fixed on the side wall of the end cover body 1, enabling the staff to fix different types of protective covers 11 on the side wall of the end cover body 1 according to different requirements, meeting the customer's requirements and reducing the situation of re-molding the end cover body 1 when changing the protective cover 11.

[0028] Furthermore, as Figure 1 , Figure 4 and Figure 5 shown, several sealing plates 2 are slidably connected to the side wall of the protective cover 11; several sliding grooves 21 are formed in the side wall of the protective cover 11; a fixing column 22 is fixedly connected to the outer side wall of the sealing plate 2; a connecting plate 23 is rotatably connected to the outer side wall of the fixing column 22; several threaded columns 24 are fixedly connected to the outer side wall of the end cover body 1; a bolt limiting block 25 is threadedly connected to the outer side wall of the threaded column 24; the bolt limiting block 25 is in contact with the connecting plate 23; a filter screen 26 is fixedly connected to the inner side wall of the end cover body 1; the sealing plate 2 is in sliding contact with the sliding grooves 21. When the motor is working, loosen the bolt limiting block 25 so that the connecting plate 23 can rotate. At this time, the sealing plate 2 can also slide. Rotate the connecting plate 23 to the threaded column 24 at the other end, and tighten the bolt limiting block 25 so that the connecting plate 23 and the sealing plate 2 are fixed, and the filter screen 26 is exposed. The temperature of the motor can be dissipated outward through the filter screen 26. By setting the filter screen 26 and the sealing plate 2, the staff can adjust the device according to the actual situation. When the temperature of the motor is too high, it can assist the motor in heat dissipation work, reduce the faults caused by overheating of the motor, and at the same time, the filter screen 26 can block foreign objects and dust from entering the device interior, reducing the situation that the motor is affected by dust and impurities during the heat dissipation process.

[0029] Furthermore, as Figure 5 shown, a plurality of second connecting columns 3 are fixedly connected to the side wall of the protective cover 11; a brush plate 31 is rotatably connected to the outer side wall of the second connecting column 3; a plurality of first bristles 32 are fixedly connected to the outer side wall of the brush plate 31; the first bristles 32 are in contact with the filter screen 26; a fixing bolt 33 is threadedly connected to the top of the outer side wall of the second connecting column 3; the fixing bolt 33 is in contact with the brush plate 31. When maintaining the equipment, the staff will disassemble the protective cover 11 from the end cover body 1 and loosen the fixing bolt 33 to reduce the friction between the brush plate 31 and the second connecting column 3. At this time, the brush plate 31 can rotate. When the brush plate 31 rotates, the first bristles 32 can clean the dust and impurities attached to the surface of the filter screen 26. By providing the first bristles 32 and the brush plate 31, it can assist the staff in maintaining the equipment, reduce the amount of dust and impurities adhering to the surface of the filter screen 26, and reduce the situation where the ventilation effect of the filter screen 26 deteriorates due to dust and impurities.

[0030] Furthermore, as Figure 6 shown, a plurality of support columns 4 are fixedly connected to the side wall of the end cover body 1; a plurality of second bristles 41 are fixedly connected to the outer side wall of the support column 4; the second bristles 41 are in contact with the teeth 13; the second bristles 41 are in contact with the gear column 14. When the equipment is working, the teeth 13 will rotate and the gear column 14 will also rotate. At this time, the gear column 14 and the teeth 13 will rub against the second bristles 41, and the second bristles 41 will clean the dust and impurities attached to the side walls of the teeth 13 and the gear column 14. By providing the support columns 4 and the second bristles 41, it can reduce the situation where the cooperation between the teeth 13 and the gear column 14 jams or malfunctions due to dust and impurities when the equipment is working, reduce the failure rate of the equipment, and increase the stability of the equipment.

[0031] Furthermore, as Figure 1 shown, a plurality of sealing gaskets 5 are arranged on the outer side wall of the protective cover 11; the outer side wall of the connection port 16 is in contact with the sealing gasket 5. When the equipment is installed, the sealing gasket 5 is installed on the side wall of the protective cover 11, and the sealing gasket 5 seals the holes opened on the side wall of the protective cover 11. By providing the sealing gasket 5, it can reduce the probability that dust and impurities enter the inside of the protective cover 11 through the holes when the equipment is working, and increase the airtightness of the equipment.

[0032] Furthermore, as Figure 3As shown, a gasket 6 is fixedly connected to the side wall of the second notch 18; the gasket 6 is in contact with the fixed plate 15. When the equipment is working, the staff will rotate the fixed plate 15, and the gasket 6 can provide a buffer when the fixed plate 15 collides with the second notch 18. By setting the gasket 6, the damage to the fixed plate 15 itself when the fixed plate 15 collides with the protective cover 11 can be reduced, and the reaction force generated when the fixed plate 15 collides with the protective cover 11 can be reduced, thereby increasing the stability of the equipment.

[0033] Further, such as Figure 3 As shown, the side wall of the protective cover 11 is provided with a plurality of balls 7; the balls 7 rotate on the side wall of the protective cover 11; the balls 7 cannot be separated from the protective cover 11; and the balls 7 are in contact with the fixing plate 15. When the device is working, the fixing plate 15 will slide and rub against the second notch 18, and the balls 7 will contact the fixing plate 15 before the second notch 18. The balls 7 can reduce the friction between the fixing plate 15 and the second notch 18, and increase the smoothness of the fixing plate 15 when it is running.

[0034] Working principle: When installing the device, align the first notch 17 with the fixing plate 15, make the protective cover 11 contact the end cover body 1, insert a tool into the connection port 16, rotate the tool to drive the connection port 16 to rotate, and then make the first connecting column 12 rotate. At this time, the fixing plate 15 will open to both sides and contact the second notch 18. At this time, the end cover body 1 is fixed on the side wall of the end cover body 1. When disassembling, reverse the connection port 16. By setting the first connecting column 12 and the gear column 14, protective covers 11 with different shapes can be fixed on the side wall of the end cover body 1, enabling the staff to fix different types of protective covers 11 on the side wall of the end cover body 1 according to different requirements, meeting the customer's requirements and reducing the situation of having to re-open the mold for the end cover body 1 when changing the protective cover 11. When the motor is working, it will generate heat. Loosen the bolt limit block 25 so that the connecting plate 23 can rotate. At this time, the sealing plate 2 can also slide. Rotate the connecting plate 23 to the threaded column 24 at the other end and tighten the bolt limit block 25 to fix the connecting plate 23 and the sealing plate 2, and the filter screen 26 is exposed. The temperature of the motor can dissipate outward through the filter screen 26. By setting the filter screen 26 and the sealing plate 2, the staff can adjust the device according to the actual situation. When the temperature of the motor is too high, it can assist the motor in heat dissipation work, reducing the failures caused by overheating of the motor. At the same time, the filter screen 26 can block foreign objects and dust from entering the interior of the device, reducing the situation where the motor is affected by dust and impurities during the heat dissipation process. When repairing the device, the staff will disassemble the protective cover 11 and the end cover body 1, loosen the fixing bolt 33 to reduce the friction between the brush plate 31 and the second connecting column 3. At this time, the brush plate 31 can rotate. When the brush plate 31 rotates, the first bristles 32 can clean the dust and impurities attached to the surface of the filter screen 26. By setting the first bristles 32 and the brush plate 31, it can assist the staff in maintaining the device, reducing the amount of dust and impurities adhering to the surface of the filter screen 26 and reducing the situation where the ventilation effect of the filter screen 26 deteriorates due to dust and impurities. When the device is working, the teeth 13 will rotate, and the gear column 14 will also rotate. At this time, the gear column 14 and the teeth 13 will rub against the second bristles 41, and the second bristles 41 will clean the dust and impurities attached to the side walls of the teeth 13 and the gear column 14. By setting the support column 4 and the second bristles 41, when the device is working, it can reduce the situation where the cooperation between the teeth 13 and the gear column 14 is stuck or fails due to dust and impurities, reducing the failure rate of the device and increasing the stability of the device. When the device is installed, install the sealing gasket 5 on the side wall of the protective cover 11, and the sealing gasket 5 seals the holes opened on the side wall of the protective cover 11. By setting the sealing gasket 5, it can reduce the probability of dust and impurities entering the interior of the protective cover 11 through the holes when the device is working, increasing the airtightness of the device. When the device is working, the staff will rotate the fixing plate 15, and the gasket 6 can buffer when the fixing plate 15 collides with the second notch 18. By setting the gasket 6, it can reduce the impact when the fixing plate 15 collides with the protective cover 11,Damage to the fixing plate 15 itself is reduced, the reaction force generated when the fixing plate 15 collides with the collision protection cover 11 is reduced, and the stability of the device is increased. When the device is working, the fixing plate 15 will slide and rub against the second notch 18. The ball 7 comes into contact with the second notch 18 and the fixing plate 15 preferentially. By providing the ball 7, the frictional force between the fixing plate 15 and the second notch 18 can be reduced, and the smoothness of the fixing plate 15 during operation can be increased.,

[0035] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed.,

Claims

1. A motor end cover, comprising an end cover body (1), characterized in that: The outer wall of the end cover body (1) contacts with a protective cover (11); the outer wall of the end cover body (1) is rotatably connected to a plurality of first connecting columns (12); the outer wall of the first connecting column (12) is fixedly connected to a plurality of teeth (13); the outer wall of the end cover body (1) is rotatably connected to a plurality of gear columns (14); the outer wall of the gear column (14) is fixedly connected to a fixing plate (15); the fixing plate (15) does not contact the first connecting column (12); the outer wall of the first connecting column (12) is fixedly connected to a connecting port (16); the side wall of the protective cover (11) is provided with a plurality of first notches (17); the side wall of the protective cover (11) is provided with a plurality of second notches (18); the second notches (18) are in contact with the fixing plate (15); the fixing plate (15) has the same width as the first notches (17).

2. The motor end cover according to claim 1, characterized in that: The side wall of the protection cover (11) is slidably connected to a plurality of sealing plates (2); the side wall of the protection cover (11) is provided with a plurality of sliding grooves (21); the outer wall of the sealing plate (2) is fixedly connected to a fixing column (22); the outer wall of the fixing column (22) is rotatably connected to a connecting plate (23); the outer wall of the end cover body (1) is fixedly connected to a plurality of threaded columns (24); the outer wall of the threaded column (24) is threadedly connected to a bolt stopper (25); the bolt stopper (25) is in contact with the connecting plate (23); the inner wall of the end cover body (1) is fixedly connected to a filter screen (26); and the sealing plate (2) is in slidable contact with the sliding groove (21).

3. The motor end cover according to claim 2, characterized in that: The side wall of the protective cover (11) is fixedly connected to a plurality of second connecting columns (3); the outer wall of the second connecting column (3) is rotatably connected to a brush plate (31); the outer wall of the brush plate (31) is fixedly connected to a plurality of first bristles (32); the first bristles (32) are in contact with the filter screen (26); the top of the outer wall of the second connecting column (3) is threadedly connected to a fixing bolt (33); the fixing bolt (33) is in contact with the brush plate (31).

4. A motor end cover according to claim 1, characterized in that: A plurality of support columns (4) are fixedly connected to the side wall of the end cover body (1); a plurality of second bristles (41) are fixedly connected to the outer side wall of the support column (4); the second bristles (41) are in contact with the teeth (13); and the second bristles (41) are in contact with the gear column (14).

5. A motor end cover according to claim 1, characterized in that: The outer wall of the protective cover (11) is provided with a plurality of sealing gaskets (5); the outer wall of the connecting port (16) is in contact with the sealing gaskets (5).

6. The motor end cover according to claim 1, characterized in that: A gasket (6) is fixedly connected to the side wall of the second notch (18); the gasket (6) is in contact with the fixing plate (15).

7. The motor end cover according to claim 1, characterized in that: A plurality of balls (7) are provided on the side wall of the protective cover (11); the balls (7) rotate on the side wall of the protective cover (11); the balls (7) cannot be separated from the protective cover (11); and the balls (7) are in contact with a fixing plate (15).

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