Waterproof and moistureproof motor

Abstract

The utility model provides a waterproof and moistureproof motor, which comprises a motor shell, a stator assembly arranged on the inner side of the motor shell and a rotor assembly arranged on the inner side of the stator assembly, the motor shell comprises a cylinder body, a front end cover integrally formed on the front side of the cylinder body and a rear end cover arranged on the rear side of the cylinder body, and a mounting through hole is arranged in the middle of the front end cover in a penetrating manner. The front end of the rotating shaft is rotationally connected into the mounting through hole through a bearing, a mounting groove is formed in the middle of the front end of the rear end cover, and the rear end of the rotating shaft extends into the mounting groove and is rotationally connected into the mounting groove through a bearing. The front end cover and the front end of the cylinder body are integrally formed, so that an annular gap between the front end cover and the cylinder body can be removed. The mounting groove is formed in the front side of the rear end cover, and the mounting groove does not penetrate through the rear side of the rear end cover, so that a hole in the center of the rear end cover can be removed. Through the arrangement, gaps on the motor shell can be effectively reduced, so that the motor has the advantage of good waterproof and moistureproof performance.

Description

Technical Field

[0001] The utility model relates to a motor, in particular to a waterproof and moisture-proof motor. Background Art

[0002] Currently, a Chinese patent with publication number CN219018577U discloses a motor including a stator assembly and a rotor assembly. The rotor assembly is installed in the stator assembly, and a rotating shaft of the rotor assembly extends out of the stator assembly.

[0003] The motor also includes a housing, a front end cover, and a rear end cover. The housing has an installation cavity, and the stator assembly is installed in the installation cavity. The front end of the housing has an opening 1 for the rotating shaft to extend out, and the rear end of the housing has an opening 2 for the rotating shaft to extend out. The front end cover is arranged in the opening 1 and covers the opening 1 of the housing. The outer peripheral wall of the front end cover abuts against the inner wall of the opening 1, and the front end cover has an avoidance hole for the rotating shaft to extend out. The rear end cover is arranged in the opening 2 and covers the opening 2 of the housing. The outer peripheral wall of the rear end cover abuts against the inner wall of the opening 2, and the rear end cover has a through hole for the rotating shaft to extend into.

[0004] However, after the above-mentioned motors are assembled, there is an annular gap between the shell and the front end cover, an annular gap between the shell and the rear end cover, an annular gap between the middle of the front end cover and the rotating shaft, and a hole in the middle of the rear side of the rear end cover, which will affect the waterproof and moisture-proof performance of the above-mentioned motor. Summary of the Invention

[0005] In view of this, an object of the present invention is to provide a waterproof and moisture-proof motor, which has the advantage of good waterproof and moisture-proof performance.

[0006] In order to solve the above technical problems, the technical solution of the present invention is: a waterproof and moisture-proof motor, comprising a motor housing, a stator assembly arranged on the inner side of the motor housing, and a rotor assembly arranged on the inner side of the stator assembly, the rotating shaft of the rotor assembly is rotatably connected to the motor housing, the motor housing comprises a cylinder body, a front end cover integrally formed on the front side of the cylinder body, and a rear end cover arranged on the rear side of the cylinder body, the rear end of the cylinder body is provided with an installation opening, the middle part of the front end cover is provided with a installation through hole, the rotating shaft passes through the installation through hole, and the front end of the rotating shaft is rotatably connected to the installation through hole through a bearing, the front end of the rear end cover is clamped in the installation opening, the middle part of the front end of the rear end cover is provided with a mounting groove, the rear end of the rotating shaft extends into the mounting groove, and the rear end of the rotating shaft is rotatably connected to the mounting groove through a bearing.

[0007] Through the above technical solution, the front cover is integrally formed with the front end of the barrel, thus eliminating the annular gap between the front cover and the barrel. A mounting groove is provided on the front side of the rear cover, but does not penetrate the rear side of the rear cover, thus eliminating the hole in the center of the rear cover. This arrangement effectively reduces gaps in the motor housing, making the motor more waterproof and moisture-resistant.

[0008] Preferably, a junction box is provided at the upper end of the barrel body, and the junction box includes a wiring base integrally formed on the upper end of the barrel body and a wiring top cover covered on the upper end of the wiring base. A wire threading hole is opened at the upper end of the barrel body, and the wire threading hole is communicated with the inner cavity of the wiring base.

[0009] Through the above technical solution, the wiring base and the upper end of the barrel are integrally formed, so that the gap between the wiring base and the barrel can be eliminated, making the above motor have the advantage of good waterproof and moisture-proof performance.

[0010] Preferably, a sealing protrusion is provided at the upper end of the wiring base, the head and tail ends of the sealing protrusion are connected to each other, a sealing groove is provided at the lower end of the wiring top cover, the head and tail ends of the sealing groove are connected to each other, and the sealing protrusion extends into the inner side of the sealing groove.

[0011] Through the above technical solution, a tortuous gap is formed between the sealing protrusion and the sealing groove, which can block water and water vapor, thereby improving the waterproof and moisture-proof performance of the above motor.

[0012] Preferably, a sealing gasket is adhered to the inner side of the sealing groove, and the sealing protrusion is tightly pressed against the sealing gasket.

[0013] Through the above technical solution, the sealing gasket and the sealing protrusion are tightly pressed against each other, which can further improve the waterproof and moisture-proof performance of the above motor.

[0014] Preferably, a mounting slot is provided at the upper edge of the sealing groove, and the mounting slot extends obliquely upward. A mounting plug is provided at the upper edge of the sealing gasket, and the mounting plug is plugged and fixed in the mounting slot.

[0015] Through the above technical solution, the installation slot and the installation plug cooperate with each other, so that the upper end of the sealing gasket can be tightly attached to the upper edge of the sealing groove, thereby improving the waterproof and moisture-proof performance of the above motor.

[0016] Preferably, a plurality of indentations are staggeredly arranged on the inner groove wall of the sealing groove.

[0017] By adopting the above technical solution, a plurality of staggered indentations are provided on the inner groove wall of the sealing groove, which can effectively improve the bonding strength between the sealing gasket and the sealing groove. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a structural diagram of Example 1;

[0019] Figure 2 is a cross-sectional schematic diagram of embodiment 1;

[0020] Figure 3 for Figure 2 A magnified view of part A;

[0021] Figure 4 It is a partial schematic diagram of embodiment 2.

[0022] Figure markings: 1. stator assembly; 2. rotor assembly; 21. rotating shaft; 3. motor housing; 31. barrel; 32. front cover; 33. rear cover; 4. mounting opening; 5. mounting through hole; 6. mounting groove; 7. junction box; 71. junction base; 72. junction top cover; 8. threading hole; 9. sealing protrusion; 10. sealing groove; 11. sealing gasket; 12. mounting slot; 13. mounting plug; 14. indentation. Implementation Method

[0023] The specific implementation methods of the present invention are further described below in conjunction with the accompanying drawings to make the technical solutions of the present invention easier to understand and grasp. Example

[0024] A waterproof and moisture-proof motor, such as Figures 1 to 3 As shown, it includes a motor housing 3, a stator assembly 1 arranged inside the motor housing 3, and a rotor assembly 2 arranged inside the stator assembly 1. The rotating shaft of the rotor assembly 2 is rotationally connected to the motor housing 3.

[0025] The motor housing 3 includes a barrel 31, a front end cover 32 integrally formed on the front side of the barrel 31, and a rear end cover 33 arranged on the rear side of the barrel 31. A mounting opening 4 is provided at the rear end of the barrel 31. A mounting through-hole 5 is provided through the middle of the front end cover 32, through which the rotating shaft passes, and the front end of the rotating shaft is rotatably connected to the mounting through-hole 5 via a bearing. The front end of the rear end cover 33 is clamped in the mounting opening 4. A mounting groove 6 is provided in the middle of the front end of the rear end cover 33, into which the rear end of the rotating shaft extends, and the rear end of the rotating shaft is rotatably connected to the mounting groove 6 via a bearing.

[0026] A junction box 7 is provided at the upper end of the barrel 31. The junction box 7 comprises a junction base 71 integrally formed at the upper end of the barrel 31 and a junction cover 72 covering the upper end of the junction base 71. A wire threading hole 8 is provided at the upper end of the barrel 31, and the wire threading hole 8 is connected to the inner cavity of the junction base 71.

[0027] The upper end of the wiring base 71 is provided with a sealing protrusion 9, which is connected at both ends. The lower end of the wiring top cover 72 is provided with a sealing groove 10, which is connected at both ends. The sealing protrusion 9 extends into the inner side of the sealing groove 10. A sealing gasket 11 is adhered to the inner side of the sealing groove 10, and the sealing protrusion 9 is tightly abutted against the sealing gasket 11. Example

[0028] The difference between the second embodiment and the first embodiment is that Figure 4 As shown, a mounting slot 12 is provided at the upper edge of the sealing groove 10, and the mounting slot 12 extends upward at an angle. A mounting plug 13 is provided at the upper edge of the sealing gasket 11, and the mounting plug 13 is inserted and fixed in the mounting slot 12. A plurality of indentations 14 are staggered on the inner groove wall of the sealing groove 10.

[0029] Of course, the above are only typical examples of the present invention. In addition, the present invention may have many other specific implementation methods. Any technical solution formed by equivalent replacement or equivalent transformation falls within the scope of protection required by the present invention.

Claims

1. A waterproof and moisture-proof motor, comprising a motor housing (3), a stator assembly (1) arranged inside the motor housing (3), and a rotor assembly (2) arranged inside the stator assembly (1), wherein the rotating shaft of the rotor assembly (2) is rotatably connected to the motor housing (3), and is characterized in that: The motor housing (3) comprises a barrel (31), a front end cover (32) integrally formed on the front side of the barrel (31), and a rear end cover (33) arranged on the rear side of the barrel (31); a mounting opening (4) is provided at the rear end of the barrel (31); a mounting through hole (5) is provided through the middle of the front end cover (32); the rotating shaft passes through the mounting through hole (5), and the front end of the rotating shaft is rotatably connected to the mounting through hole (5) via a bearing; the front end of the rear end cover (33) is clamped in the mounting opening (4); a mounting groove (6) is provided in the middle of the front end of the rear end cover (33); the rear end of the rotating shaft extends into the mounting groove (6), and the rear end of the rotating shaft is rotatably connected to the mounting groove (6) via a bearing.

2. The waterproof and moisture-proof motor according to claim 1, characterized in that: A junction box (7) is provided at the upper end of the barrel body (31), and the junction box (7) comprises a junction base (71) integrally formed at the upper end of the barrel body (31) and a junction top cover (72) covering the upper end of the junction base (71). A threading hole (8) is provided at the upper end of the barrel body (31), and the threading hole (8) is communicated with the inner cavity of the junction base (71).

3. The waterproof and moisture-proof motor according to claim 2, characterized in that: A sealing protrusion (9) is provided at the upper end of the wiring base (71), and the head and tail ends of the sealing protrusion (9) are connected to each other. A sealing groove (10) is provided at the lower end of the wiring top cover (72), and the head and tail ends of the sealing groove (10) are connected to each other. The sealing protrusion (9) extends into the inner side of the sealing groove (10).

4. The waterproof and moisture-proof motor according to claim 3, characterized in that: A sealing gasket (11) is adhered to the inner side of the sealing groove (10), and the sealing protrusion (9) is tightly pressed against the sealing gasket (11).

5. The waterproof and moisture-proof motor according to claim 4, characterized in that: An installation slot (12) is provided at the upper edge of the sealing groove (10), and the installation slot (12) extends obliquely upward. An installation plug-in block (13) is provided at the upper edge of the sealing gasket (11), and the installation plug-in block (13) is inserted and fixed in the installation slot (12).

6. The waterproof and moisture-proof motor according to claim 3, characterized in that: A plurality of indentations (14) are staggeredly arranged on the inner groove wall of the sealing groove (10).

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