A waterproof end seal for a motor housing

Abstract

The utility model discloses a waterproof end seal of a motor housing, comprising a housing, wherein one end of the housing is open, and the other end of the housing is provided with a positioning hole, the open end of the housing is connected with a first end seal component, and the positioning hole is connected with a second end seal component. The waterproof end seal design of the motor housing significantly improves the waterproof performance, and through the close matching of the first and second end seal components, the use of gaskets and clamping discs, multiple waterproof barriers are formed to effectively prevent liquid from flowing in. The matching design of the first and second partition grooves enhances the stability of the connection, and also improves the vibration and impact resistance of the structure. The setting of the tool groove simplifies the assembly and disassembly process, and improves the work efficiency and maintenance convenience.

Description

Technical Field

[0001] The utility model belongs to the technical field of motor casings, and in particular relates to a waterproof end seal of a motor casing. Background Art

[0002] In the contemporary motor manufacturing industry, waterproof performance is particularly critical to ensure the stable operation of motor equipment in humid or high humidity environments. Usually, the waterproof design of the motor housing will include a precise sealing structure, which is mostly implemented with materials such as rubber strips. However, as the rubber strips are used for a long time, their sealing performance will inevitably age, which will lead to a decrease in the sealing effect and affect the waterproof ability of the motor. Therefore, in order to prevent moisture from invading the interior of the motor, it is necessary to consider adding additional sealing elements during the design to improve the overall waterproof performance. Utility Model Content

[0003] In order to solve the problems raised in the above-mentioned background technology, the utility model provides the following technical solutions: a waterproof end seal of a motor housing, comprising a housing, the housing is open at one end, and a positioning hole is provided at the other end of the housing, the open end of the housing is connected to a first end seal assembly, the positioning hole is connected to a second end seal assembly, the first end seal assembly comprises a first sleeve, a first pressure cover, a first clamping disk, and a first gasket, the first sleeve is provided with a first axial hole, the first sleeve and the first pressure cover are screwed to the open end of the housing in sequence, a first guide ring is provided on the first clamping disk, the first clamping disk is located in the housing, the first clamping disk is connected to the first pressure cover through the first guide ring, the first gasket is located in the first sleeve, and the two ends of the first gasket are respectively abutted against the first pressure cover and the first clamping disk.

[0004] Further, the second end sealing assembly includes a second sleeve, a second pressure cover, a second clamping disk, and a second gasket. The second sleeve is arranged at the end of the positioning hole, the second sleeve is arranged facing the first clamping disk, the second sleeve is provided with a second axial hole, the second clamping disk is located in the shell, the second clamping disk is provided with a first partition groove matched with the second sleeve, the second gasket is located in the first partition groove, the two ends of the second gasket are respectively abutted against the second sleeve and the second clamping disk, the second clamping disk is provided with a second guide ring, and the second clamping disk is connected to the second pressure cover through the second guide ring.

[0005] Furthermore, a protrusion is arranged on the first holding disk, and a second partition groove adapted to the protrusion is formed on the first ring.

[0006] Furthermore, a tool groove is formed at the end of the first gland, and the tool groove is communicated with the first axial hole.

[0007] Furthermore, a tool groove is formed at the end of the second gland, and the tool groove is communicated with the second axial hole.

[0008] The beneficial effects of the utility model are as follows: the waterproof end seal design of the motor housing significantly improves the waterproof performance. Through the close cooperation of the first and second end seal components, the use of gaskets and clamping discs, multiple waterproof barriers are formed to effectively prevent liquid from flowing in. The matching design of the first and second partition grooves enhances the stability of the connection and also improves the vibration and impact resistance of the structure. The setting of the tool groove simplifies the assembly and disassembly process, and improves work efficiency and maintenance convenience. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 It is the front view of the utility model;

[0010] Figure 2 for Figure 1 Schematic diagram of the section along the AA direction;

[0011] Figure 3 for Figure 2 Enlarged view of middle part B;

[0012] Figure 4 for Figure 2 Enlarged view of middle C;

[0013] Figure 5 It is an explosion diagram of the utility model.

[0014] The meaning of the numbers in the figure are: 1-housing; 2-positioning hole; 3-first sleeve; 4-first pressure cover; 5-first clamping disk; 6-first gasket; 7-first axial hole; 8-first guide ring; 9-second sleeve; 10-second pressure cover; 11-second clamping disk; 12-second gasket; 13-second axial hole; 14-first partition groove; 15-second guide ring; 16-bump; 17-second partition groove; 18-tool groove. DETAILED DESCRIPTION

[0015] 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 in 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.

[0016] See also Figure 1-5The utility model provides the following technical solutions: a waterproof end seal of a motor housing, comprising a housing 1, wherein the housing 1 is open at one end, and a positioning hole 2 is provided at the other end of the housing 1, the open end of the housing 1 is connected to a first end seal component, and the positioning hole 2 is connected to a second end seal component, the first end seal component comprises a first sleeve 3, a first gland 4, a first clamping disk 5, and a first gasket 6, the first sleeve 3 is provided with a first axial hole 7, the first sleeve 3 and the first gland 4 are screwed to the open end of the housing 1 in sequence, the first clamping disk 5 is provided with a first guide ring 8, the first clamping disk 5 is located in the housing 1, the first clamping disk 5 is connected to the first gland 4 through the first guide ring 8, the first gasket 6 is located in the first sleeve 3, and the two ends of the first gasket 6 are respectively Abutting against the first pressure cover 4 and the first clamping disk 5; the second end sealing assembly includes a second sleeve 9, a second pressure cover 10, a second clamping disk 11, and a second gasket 12. The second sleeve 9 is arranged at the end of the positioning hole 2, and the second sleeve 9 is arranged facing the first clamping disk 5. The second sleeve 9 is provided with a second axial hole 13. The second clamping disk 11 is located in the shell 1. The second clamping disk 11 is provided with a first partition groove 14 adapted to the second sleeve 9. The second gasket 12 is located in the first partition groove 14. The two ends of the second gasket 12 are respectively abutted against the second sleeve 9 and the second clamping disk 11. The second clamping disk 11 is provided with a second guide ring 15. The second clamping disk 11 is connected to the second pressure cover 10 through the second guide ring 15.

[0017] In the above structure, the second gasket 12 is placed in the first partition groove 14, the second clamping plate 11 is placed in the shell 1, the second pressure cover 10 is connected to the second guide ring 15, the stator and the rotor are placed in the shell 1, and then the first clamping plate 5 is placed in the shell 1, the first sleeve 3 is connected to the open end of the shell 1, the first gasket 6 is placed in the first sleeve 3, and then the first sleeve 3 is connected to the first clamping plate 5, and the first clamping plate 5 is screwed to the open end of the shell 1, and finally the first pressure cover 4 and the second pressure cover 10 are tightened with a tool, the first clamping plate 5 is pressed against the guide sleeve, and the second clamping plate 11 is pressed against the inner wall of the shell 1, and the various components are tightly connected by rotating the threads to prevent liquid from flowing in.

[0018] In this embodiment, a protrusion 16 is disposed on the first holding disk 5 , and a second partition groove 17 adapted to the protrusion 16 is formed on the first sleeve ring 3 .

[0019] With the above structure, the protrusion 16 is inserted into the second partition groove 17, and a second structure for preventing water ingress is formed by adding inverted bends, thereby improving the waterproof effect. Similarly, the first partition groove 14 also has this effect.

[0020] In this embodiment, a tool groove 18 is formed at the end of the first gland 4 , and the tool groove 18 is communicated with the first axial hole 7 . A tool groove 18 is formed at the end of the second gland 10 , and the tool groove 18 is communicated with the second axial hole 13 .

[0021] By adopting the above structure, during the assembly or disassembly process, the first and second glands can be conveniently rotated through the tool slot 18 using a tool (a screwdriver or a wrench, etc.), thereby improving the tightness of the assembly connection and further improving the reliability and durability of the waterproof end seal.

[0022] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A waterproof end seal for a motor housing, comprising a housing, characterized in that: The shell is open at one end, and a positioning hole is provided at the other end of the shell. The open end of the shell is connected to a first end sealing assembly, and the positioning hole is connected to a second end sealing assembly. The first end sealing assembly includes a first sleeve, a first pressure cover, a first clamping disk, and a first gasket. The first sleeve is provided with a first axial hole, and the first sleeve and the first pressure cover are screwed to the open end of the shell in sequence. A first guide ring is provided on the first clamping disk, and the first clamping disk is located in the shell. The first clamping disk is connected to the first pressure cover through the first guide ring, and the first gasket is located in the first sleeve, and the two ends of the first gasket are respectively abutted against the first pressure cover and the first clamping disk.

2. A waterproof end seal for a motor housing according to claim 1, characterized in that: The second end sealing assembly includes a second sleeve, a second pressure cover, a second clamping disk, and a second gasket. The second sleeve is arranged at the end of the positioning hole, the second sleeve is arranged facing the first clamping disk, a second axial hole is opened on the second sleeve, the second clamping disk is located in the shell, the second clamping disk is opened on the first partition groove which is matched with the second sleeve, the second gasket is located in the first partition groove, the two ends of the second gasket are respectively abutted against the second sleeve and the second clamping disk, a second guide ring is arranged on the second clamping disk, and the second clamping disk is connected to the second pressure cover through the second guide ring.

3. The waterproof end seal of a motor housing according to claim 1, characterized in that: The first holding disk is provided with a protrusion, and the first sleeve ring is provided with a second partition groove matched with the protrusion.

4. The waterproof end seal of a motor housing according to claim 1, characterized in that: A tool groove is formed at the end of the first gland, and the tool groove is communicated with the first axial hole.

5. The waterproof end seal of a motor housing according to claim 2, characterized in that: A tool groove is formed at the end of the second gland, and the tool groove is communicated with the second axial hole.

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