Sealed motor

Abstract

The utility model provides a sealed motor, which belongs to the technical field of motor sealing and comprises a motor body, a rotating shaft and a motor shell, a key groove is arranged on the surface of the front end of the rotating shaft, a sealing bearing is arranged at the rear end of the rotating shaft and connected with the motor body, and a first flange is welded at the front end of the motor body. A second flange is arranged in front of the first flange, a sealing ring is arranged in the middle of the second flange, the sealing groove is in filling fit with the sealing ring, a positioning ring is arranged on the front face of the second flange, a plurality of fixing blocks are arranged on the surface of the positioning ring, and the fixing blocks are connected with the front face of the second flange. A sealing notch is formed in the middle of the front face of the sealing shell, a fixing bearing is arranged in the sealing notch, a sealing ring is arranged at the front end of the fixing bearing, the sealing shell can be connected with a bearing fixing device, the first flange and the second flange are connected to enable the sealing ring and a sealing groove to be in filling sealing fit, and the water leakage monitor conducts self-locking protection on the motor.

Description

Technical Field

[0001] The utility model relates to the technical field of motor sealing, in particular to a sealed motor. Background Art

[0002] A motor is a device that converts electrical energy into mechanical energy, or vice versa, converts mechanical energy into electrical energy. It is a core component in the field of electrical engineering. According to its working principle and purpose, motors are mainly divided into two categories: electric motors and generators. Electric motors are devices that convert electrical energy into mechanical energy. They generate rotational motion or linear motion through the action of electromagnetic force. Electric motors are widely used in industrial production, household appliances, transportation and other fields, such as DC motors, AC motors, asynchronous motors, synchronous motors, etc.

[0003] Most existing motors are installed by using flanges with waterproof pads and bolts to connect and fix them. However, after long-term use, gaps will appear at the bolted joints, and the waterproof pads will easily be damaged, resulting in loss of sealing effect, causing liquid to enter the motor and destroy it. In order to solve the above problems, a sealed motor is proposed to solve the above problems. Utility Model Content

[0004] In view of this, the utility model provides a sealed motor, which can be connected to the bearing holder through a sealing shell, the first flange is connected to the second flange so that the sealing ring and the sealing groove are filled and sealed, and the water leakage monitor provides self-locking protection for the motor.

[0005] In order to solve the above technical problems, the utility model provides a sealed motor, including a motor body, a rotating shaft and a motor housing, a key groove is provided on the front end surface of the rotating shaft, a sealed bearing is provided at the rear end of the rotating shaft, the sealed bearing is connected to the motor body, a first flange is welded at the front end of the motor body, a sealing groove is provided in the middle of the first flange, a second flange is provided in front of the first flange, a sealing ring is provided in the middle of the second flange, the sealing groove and the sealing ring are filled and matched, a positioning ring is provided on the front side of the second flange, a plurality of fixing blocks are provided on the surface of the positioning ring, the fixing blocks are connected to the front side of the second flange, a sealing shell is welded on the front side of the positioning ring, a water leakage sensor is provided at the bottom of the sealing shell, a sealing notch is provided in the middle of the front side of the sealing shell, a fixed bearing is provided in the sealing notch, and a sealing ring is provided at the front end of the fixed bearing.

[0006] A first threaded hole for fixing a first fixing bolt is arranged in the fixing block, the first threaded hole penetrates the fixing block and is embedded in the second flange, and a first fixing bolt for connecting the fixing block with the second flange is arranged in the first threaded hole.

[0007] A connecting slot for installing the water leakage sensor is provided at the bottom of the water leakage sensor, the connecting slot runs through the bottom of the sealing shell, a connecting block for connecting the connector with the fixing plate is provided at the bottom of the connecting slot, a connector for connecting the connecting block with the water leakage sensor is provided on the upper surface of the connecting block, and the connector is connected to the water leakage sensor.

[0008] Both sides of the lower surface of the connection block are provided with fixing plates for connecting the connection block with the outer wall of the sealing shell, and the fixing plates are fixed to the bottom of the outer wall of the sealing shell.

[0009] A bearing holder for installing the fixed bearing is provided on the rear end surface of the fixed bearing, and positioning blocks for connecting the bearing holder and the sealing shell are provided around the surface of the bearing holder. A second threaded hole for fixing a second fixing bolt is provided in the positioning block, and the second threaded hole runs through the front side of the sealing shell.

[0010] A second fixing bolt used to connect the positioning block with the sealing shell is arranged in the second threaded hole.

[0011] A heat dissipation cover for dissipating heat from the motor is welded on the rear end of the motor housing.

[0012] A motor bracket for installing the motor is provided at the bottom of the motor body.

[0013] In summary, compared with the prior art, the present application includes at least one of the following beneficial technical effects:

[0014] 1. During assembly, first install the bearing holder, connect the sealing shell to the bearing holder through the second threaded hole and the second fixing bolt, then install and fix the bearing and the sealing ring, connect the positioning ring to the second flange through the first fixing bolt and the first threaded hole, and then connect the sealing shell to the second flange, fill and match the sealing ring and the sealing groove, and connect the first flange and the second flange with bolts to seal the motor body, thereby protecting the inside of the motor and preventing damage to the motor due to damage to the waterproof pad.

[0015] 2. The water leakage detector is connected to the connector, and the connector is connected to the motor wiring compartment. When the water leakage detector detects water leakage, the motor will self-lock to protect the motor.

[0016] 3. A heat dissipation cover for heat dissipation of the motor is welded at the rear end of the motor housing. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the main structure of the sealed motor of the utility model;

[0018] Figure 2 It is a side sectional view of the utility model;

[0019] Figure 3 It is a partial cross-sectional view of B of the utility model;

[0020] Figure 4 A is a partial cross-sectional view of the utility model;

[0021] Figure 5 It is a rear cross-sectional view of the utility model.

[0022] Explanation of the reference numerals: 100, motor body; 101, rotating shaft; 102, motor housing; 103, keyway; 104, sealed bearing; 105, heat dissipation cover; 106, motor bracket; 200, first flange; 201, sealing groove; 202, second flange; 203, sealing ring; 204, bearing holder; 205, positioning block; 206, second threaded hole; 207, second fixing bolt; 300, positioning ring; 301, fixing block; 302, sealing shell; 303, sealing ring; 304, fixing bearing; 305, first threaded hole; 306, first fixing bolt; 307, sealing notch; 400, water leakage sensor; 401, connecting notch; 402, connecting block; 403, connector; 404, fixing plate. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical scheme and advantages of the embodiment of the utility model clearer, the following will be combined with the appended drawings of the embodiment of the utility model. Figure 1-5 The technical scheme of the embodiment of the utility model is clearly and completely described. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the described embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field are within the scope of protection of the utility model.

[0024] like Figure 1-5As shown: This embodiment provides a sealed motor, including a motor body 100, a rotating shaft 101 and a motor housing 102, a key groove 103 for connecting the rotating shaft 101 with other equipment is provided on the front end surface of the rotating shaft 101, a sealed bearing 104 for connecting the rotating shaft 101 with the motor body 100 is provided at the rear end of the rotating shaft 101, and the sealed bearing 104 is mechanically connected to the motor body 100, a first flange 200 for connecting the motor body 100 with a second flange 202 is welded at the front end of the motor body 100, a sealing groove 201 for filling a sealing ring 203 is provided in the middle of the first flange 200, a second flange 202 for connecting the first flange 200 with a sealing shell 302 is provided in front of the first flange 200, a sealing ring 203 for connecting the second flange 202 with the first flange 200 is provided in the middle of the second flange 202, the sealing ring 203 is welded and fixed to the second flange 202, and the sealing groove 201 and the sealing ring 203 are filled The second flange 202 is fully matched, and a positioning ring 300 for connecting the second flange 202 with the sealing shell 302 is provided on the front of the second flange 202. A plurality of fixing blocks 301 for connecting the positioning ring 300 with the second flange 202 are provided on the surface of the positioning ring 300. The fixing blocks 301 are connected to the front of the second flange 202. A sealing shell 302 for sealing and protecting the rotating shaft 101, the sealing bearing 104 and the fixed bearing 304 is welded on the front of the positioning ring 300. A water leakage sensor 400 for monitoring whether there is water at the bottom of the sealing shell 302 is provided at the bottom of the sealing shell 302. A sealing groove 201 for installing the fixed bearing 304 and the sealing ring 303 is provided in the middle of the front of the sealing shell 302. A fixed bearing 304 for fixing the rotating shaft 101 is provided in the sealing groove 201. The fixed bearing 304 is also used for sealing the sealing shell 302. A sealing ring 303 for sealing the fixed bearing 304 and the sealing groove 201 is provided at the front end of the fixed bearing 304.

[0025] During use, during assembly, the bearing holder 204 is first installed, and the sealing shell 302 is connected to the bearing holder 204 through the second threaded hole 206 and the second fixing bolt 207, and then the bearing 304 and the sealing ring 303 are installed and fixed, and the positioning ring 300 is connected to the second flange 202 through the first fixing bolt 306 and the first threaded hole 305, and then the sealing shell 302 is connected to the second flange 202, and the sealing ring 203 and the sealing groove 201 are filled and matched, and the first flange 200 and the second flange 202 are connected and fixed with bolts to seal the motor body 100, and connected to the connector 403 through the water leakage monitor, and the connector 403 is connected to the motor wiring compartment. When the water leakage monitor detects water leakage, the motor is self-locked to protect the motor.

[0026] This embodiment provides a sealed motor,

[0027] like Figure 1 , 2As shown in , 3, 4, and 5: a first threaded hole 305 for fixing a first fixing bolt 306 is provided in the fixing block 301, the first threaded hole 305 penetrates the fixing block 301 and is embedded in the second flange 202, a first fixing bolt 306 for connecting the fixing block 301 and the second flange 202 is provided in the first threaded hole 305, and the first fixing bolt 306 passes through the first threaded hole 305 to connect and fix the fixing block 301 to the second flange 202.

[0028] like Figure 2 , 3 , 4, and 5: a connecting slot 401 for installing the water leakage sensor 400 is provided at the bottom of the water leakage sensor 400, the connecting slot 401 passes through the bottom of the sealing shell 302 and is coated with sealant, a connecting block 402 for connecting the connector 403 with the fixing plate 404 is provided at the bottom of the connecting slot 401, the connecting block 402 seals and fits the edge of the connecting slot 401, and sealant is coated at the fitting part, a connector 403 for connecting the connecting block 402 with the water leakage sensor 400 is provided on the upper surface of the connecting block 402, the connector 403 is electrically connected to the water leakage sensor 400, fixing plates 404 for connecting the connecting block 402 with the outer wall of the sealing shell 302 are provided on both sides of the lower surface of the connecting block 402, the connecting block 402 and the fixing plate 404 are connected and fixed by rivets, and the fixing plate 404 is welded and fixed to the bottom of the outer wall of the sealing shell 302.

[0029] like Figure 2 , 3 As shown in , 4 and 5: a bearing holder 204 for installing the fixed bearing 304 is provided on the rear end surface of the fixed bearing 304, the fixed bearing 304 is mechanically connected to the bearing holder 204, positioning blocks 205 for connecting the bearing holder 204 with the sealing shell 302 are provided around the surface of the bearing holder 204, the bearing holder 204 and the positioning block 205 are welded and fixed, a second threaded hole 206 for fixing a second fixing bolt 207 is provided in the positioning block 205, the second threaded hole 206 passes through the front side of the sealing shell 302, a second fixing bolt 207 for connecting the positioning block 205 with the sealing shell 302 is provided in the second threaded hole 206, and the second fixing bolt 207 passes through the second threaded hole 206 to connect the sealing shell 302 with the positioning block 205.

[0030] like Figure 1 As shown: a heat dissipation cover 105 for heat dissipation of the motor is welded on the rear end of the motor housing 102, and a motor bracket 106 for motor installation is provided at the bottom of the motor body 100.

[0031] In addition, it should be noted that in the description of the present invention, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0032] The above is a preferred embodiment of the present invention. It should be pointed out that, for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. Sealed motor, characterized in that: The motor body (100) comprises a motor body (100), a rotating shaft (101) and a motor housing (102), wherein a key groove (103) is provided on the front end surface of the rotating shaft (101), a sealing bearing (104) is provided at the rear end of the rotating shaft (101), the sealing bearing (104) is connected to the motor body (100), a first flange (200) is welded at the front end of the motor body (100), a sealing groove (201) is provided in the middle of the first flange (200), a second flange (202) is provided in front of the first flange (200), a sealing ring (203) is provided in the middle of the second flange (202), the sealing groove (201) is connected to the sealing ring (203), and the sealing groove (201) is connected to the sealing ring (203). The sealing ring (203) is filled and matched, a positioning ring (300) is provided on the front of the second flange (202), a plurality of fixing blocks (301) are provided on the surface of the positioning ring (300), the fixing blocks (301) are connected to the front of the second flange (202), a sealing shell (302) is welded on the front of the positioning ring (300), a water leakage sensor (400) is provided at the bottom of the sealing shell (302), a sealing groove (201) is provided in the middle of the front of the sealing shell (302), a fixed bearing (304) is provided in the sealing groove (201), and a sealing ring (303) is provided at the front end of the fixed bearing (304).

2. The sealed motor according to claim 1, characterized in that: A first threaded hole (305) is provided in the fixing block (301), the first threaded hole (305) passes through the fixing block (301) and is embedded in the second flange (202), and a first fixing bolt (306) is provided in the first threaded hole (305).

3. The sealed motor according to claim 2, characterized in that: The bottom of the water leakage sensor (400) is provided with a connection notch (401), the connection notch (401) passes through the bottom of the sealing shell (302), the bottom of the connection notch (401) is provided with a connection block (402), the upper surface of the connection block (402) is provided with a connector (403), and the connector (403) is connected to the water leakage sensor (400).

4. The sealed motor according to claim 3, characterized in that: Fixed plates (404) are provided on both sides of the lower surface of the connection block (402), and the fixed plates (404) are fixed to the bottom of the outer wall of the sealing shell (302).

5. The sealed motor according to claim 4, characterized in that: A bearing fixer (204) is provided on the rear end surface of the fixed bearing (304), positioning blocks (205) are provided around the surface of the bearing fixer (204), a second threaded hole (206) is provided in the positioning block (205), and the second threaded hole (206) passes through the front side of the sealing shell (302).

6. The sealed motor according to claim 5, characterized in that: A second fixing bolt (207) is disposed in the second threaded hole (206).

7. The sealed motor according to claim 6, characterized in that: A heat dissipation cover (105) is welded to the rear end of the motor housing (102).

8. The sealed motor according to claim 7, characterized in that: A motor bracket (106) is provided at the bottom of the motor body (100).

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