Sealing structure type stator for permanent magnet synchronous motor

Abstract

The utility model relates to the technical field of permanent magnet synchronous motors, and discloses a sealing structure type stator for a permanent magnet synchronous motor, which comprises a main body mechanism and a mounting mechanism positioned in the main body mechanism. The main body mechanism comprises a sealing front end cover, a sealing rear end cover, a sealing groove, a sealing gasket, a stator body, a rotor body and a connecting assembly, the sealing rear end cover is movably installed at the rear end of the sealing front end cover, the sealing groove is fixedly formed in the inner end of the front end of the sealing front end cover, and the sealing gasket is movably installed at the inner end of the sealing groove. According to the sealing structure type stator for the permanent magnet synchronous motor, through the installation of the main body mechanism, the sealing and connecting capabilities of the sealing structure type stator are improved, in the actual use process, the stator body can be effectively sealed and installed, and the sealing front end cover and the sealing rear end cover can be conveniently connected and installed; the stator body can be protected conveniently, and the service life of the stator body is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of permanent magnet synchronous motors, in particular to a sealed structure type stator for permanent magnet synchronous motors. Background Art

[0002] Permanent magnet synchronous motors are composed of components such as stators, rotors and end covers. Permanent magnet motors have higher power, lighter weight, greater output torque than other types of motors, and better maximum speed and braking performance. Therefore, permanent magnet synchronous motors have become the most widely used motors in electric vehicles today. However, the stator is a very important part of the permanent magnet synchronous motor when it is in use.

[0003] However, due to the poor sealing ability of the stator in the prior art, it is not convenient to seal and install the stator and to protect the stator during actual use, which can easily affect the service life of the stator. Therefore, it is necessary to develop a new type of sealed structure stator for permanent magnet synchronous motor. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] The utility model aims to provide a sealed structure stator for a permanent magnet synchronous motor, so as to solve the problem in the prior art that it is not convenient to seal and install the stator and to protect the stator.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a sealed structure stator for a permanent magnet synchronous motor, comprising a main body mechanism and an installation mechanism, wherein the installation mechanism is located inside the main body mechanism, the main body mechanism comprises a sealing front end cover, a sealing rear end cover, a sealing groove, a sealing gasket, a stator body, a rotor body and a connecting assembly, the sealing rear end cover is movably mounted at the rear end of the sealing front end cover, the sealing groove is fixedly arranged at the inner end of the front end of the sealing front end cover, the sealing gasket is movably mounted at the inner end of the sealing groove, the stator body is movably mounted at the inner ends of the sealing front end cover and the sealing rear end cover, the rotor body is movably mounted at the front end of the stator body, and the connecting assembly is located on the left and right sides of the sealing rear end cover, and by installing the sealing groove and the sealing gasket, the stator body can be easily sealed, installed and protected.

[0008] Preferably, the connecting assembly includes a connecting button, a first mounting groove, a first limit block, a connecting rod, a first return spring, a connecting pipe seat, a connecting slot, a connecting buckle, a second mounting groove, a second limit block and a second return spring. The connecting button is movably mounted on the left and right ends of the sealing rear end cover. By installing the connecting button, it is convenient to drive the connecting rod to press onto the connecting buckle, so as to disassemble the sealing rear end cover and the sealing front end cover.

[0009] Preferably, the first mounting groove is fixedly arranged at the inner end of the sealing rear end cover, and the first limit block is fixedly installed at the left end of the connecting button. The first limit block is located inside the first mounting groove. By installing the first limit block, it is possible to facilitate the limiting operation of the connecting button.

[0010] Preferably, the connecting rod is fixedly mounted on the left end of the first limit block, the first return spring is fixedly mounted on the left end of the first limit block, and the connecting pipe seat is fixedly mounted on the rear end of the sealing front end cover. By installing the first return spring, the resetting operation of the connecting button is facilitated.

[0011] Preferably, the connecting slot is fixedly arranged at the left and right ends of the inner end of the sealing rear end cover, the connecting buckle is movably installed at the left and right ends of the connecting pipe seat, the second mounting slot is fixedly arranged at the inner end of the connecting pipe seat, the second limit block is fixedly installed at the left end of the connecting buckle, the second limit block is located inside the second mounting slot, and the second return spring is fixedly installed at the left end of the second limit block. By inserting the connecting buckle into the connecting slot, it is convenient to install and connect the sealing rear end cover and the sealing front end cover, and it is convenient to perform protection operations on the stator body.

[0012] Preferably, the mounting mechanism includes a mounting block, a telescopic rod, a sleeve, a connecting spring, a connecting hole, a mounting rod and a mounting slot, the mounting block is fixedly mounted on the left and right ends of the stator body, the telescopic rod is fixedly mounted on the left and right ends of the mounting block, the sleeve is movably mounted on the left and right ends of the telescopic rod, the connecting spring is fixedly mounted in the middle of the mounting block and the sleeve, the connecting spring is located at the outer end of the telescopic rod, and by inserting the sleeve into the connecting hole, the stator body and the sealing front end cover can be easily installed.

[0013] Preferably, the connecting hole is fixedly arranged at the left and right ends of the sealing front end cover, the sleeve is movably connected to the inner end of the connecting hole, the mounting rod is fixedly arranged at the left and right ends of the rear end of the sealing front end cover, and the mounting slot is fixedly arranged at the left and right ends of the front end of the sealing rear end cover. By inserting the mounting rod into the mounting slot, it is convenient to install and fix the stator body and the sealing rear end cover.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. The sealed structure stator for the permanent magnet synchronous motor improves the sealing and connection capabilities of the utility model by installing the main body mechanism. In actual use, the stator body can be effectively sealed and installed, and the sealing front end cover and the sealing rear end cover can be easily connected and installed, which is convenient for protecting the stator body and improving the service life of the stator body.

[0016] 2. The sealed structure stator for the permanent magnet synchronous motor has improved installation and fixing capabilities through the installation of the installation mechanism. In actual use, the stator body can be quickly and effectively connected and installed with the sealed front end cover and the sealed rear end cover, thereby improving the use stability of the stator body. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the split structure of the sealing front end cover and the sealing rear end cover of the utility model;

[0019] Figure 3 This is a schematic diagram of the installation mechanism structure of the utility model;

[0020] Figure 4 It is a schematic diagram of the partial cross-sectional structure of the connection component of the utility model.

[0021] In the figure: 1. main body; 101. sealing front end cover; 102. sealing rear end cover; 103. sealing groove; 104. sealing gasket; 105. stator body; 106. rotor body; 107. connecting assembly; 1071. connecting button; 1072. first mounting slot; 1073. first limit block; 1074. connecting rod; 1075. first return spring; 1076. connecting pipe seat; 1077. connecting card slot; 1078. connecting buckle; 1079. second mounting slot; 10710. second limit block; 10711. second return spring; 2. mounting mechanism; 201. mounting block; 202. telescopic rod; 203. sleeve; 204. connecting spring; 205. connecting hole; 206. mounting plug rod; 207. mounting slot. DETAILED DESCRIPTION

[0022] 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.

[0023] See also Figure 1-Figure 4 The utility model provides a technical solution: a sealed structure stator for a permanent magnet synchronous motor, comprising a main body mechanism 1 and an installation mechanism 2, the installation mechanism 2 is located inside the main body mechanism 1, the main body mechanism 1 comprises a sealing front end cover 101, a sealing rear end cover 102, a sealing groove 103, a sealing gasket 104, a stator body 105, a rotor body 106 and a connecting assembly 107, the sealing rear end cover 102 is movably installed at the rear end of the sealing front end cover 101, the sealing groove 103 is fixedly arranged at the inner end of the front end of the sealing front end cover 101, the sealing gasket 104 is movably installed at the inner end of the sealing groove 103, the stator body 105 is movably installed at the inner ends of the sealing front end cover 101 and the sealing rear end cover 102, the rotor body 106 is movably installed at the front end of the stator body 105, and the connecting assembly 107 is located on the left and right sides of the sealing rear end cover 102.

[0024] The connecting assembly 107 includes a connecting button 1071, a first mounting groove 1072, a first limiting block 1073, a connecting rod 1074, a first return spring 1075, a connecting pipe seat 1076, a connecting slot 1077, a connecting buckle 1078, a second mounting groove 1079, a second limiting block 10710 and a second return spring 10711. The connecting button 1071 is movably mounted on the left and right ends of the sealing rear end cover 102, the first mounting groove 1072 is fixedly arranged at the inner end of the sealing rear end cover 102, the first limiting block 1073 is fixedly mounted on the left end of the connecting button 1071, the first limiting block 1073 is located inside the first mounting groove 1072, the connecting rod 1074 is fixedly mounted on the left end of the first limiting block 1073, and the first return spring 107 5 is fixedly installed at the left end of the first limit block 1073, the connecting pipe seat 1076 is fixedly installed at the rear end of the sealing front end cover 101, the connecting groove 1077 is fixedly set at the left and right ends of the inner end of the sealing rear end cover 102, the connecting buckle 1078 is movably installed at the left and right ends of the connecting pipe seat 1076, the second installation groove 1079 is fixedly set at the inner end of the connecting pipe seat 1076, the second limit block 10710 is fixedly installed at the left end of the connecting buckle 1078, the second limit block 10710 is located inside the second installation groove 1079, the second return spring 10711 is fixedly installed at the left end of the second limit block 10710, the stator body 105 is sealed and installed through the sealing gasket 104, and the connecting buckle 1078 is inserted into the connecting groove 1077 at the same time.

[0025] The mounting mechanism 2 includes a mounting block 201, a telescopic rod 202, a sleeve 203, a connecting spring 204, a connecting hole 205, a mounting rod 206 and a mounting slot 207. The mounting block 201 is fixedly mounted on the left and right ends of the stator body 105, the telescopic rod 202 is fixedly mounted on the left and right ends of the mounting block 201, the sleeve 203 is movably mounted on the left and right ends of the telescopic rod 202, the connecting spring 204 is fixedly mounted in the middle of the mounting block 201 and the sleeve 203, the connecting spring 204 is located at the outer end of the telescopic rod 202, the connecting hole 205 is fixedly arranged on the left and right ends of the sealing front end cover 101, the sleeve 203 is movably connected to the inner end of the connecting hole 205, the mounting rod 206 is fixedly mounted on the left and right ends of the rear end of the sealing front end cover 101, and the mounting slot 207 is fixedly arranged on the left and right ends of the front end of the sealing rear end cover 102, the sleeve 203 is inserted into the connecting hole 205, and the mounting rod 206 is inserted into the mounting slot 207 in the sealing rear end cover 102.

[0026] Working principle: When it is needed, first put the sealing gasket 104 into the sealing groove 103, then put the stator body 105 into the sealing front end cover 101, insert the sleeve 203 into the connecting hole 205, install the stator body 105 and the sealing front end cover 101, and then insert the installation plug rod 206 into the installation slot 207 in the sealing rear end cover 102, install the stator body 105 and the sealing rear end cover 102, so that the rotor body 106 extends to the front end of the sealing front end cover 101, and seal the stator body 105 through the sealing gasket 104. At the same time, the connecting buckle 1078 is locked. Enter the connecting slot 1077 and connect the sealing rear end cover 102 with the sealing front end cover 101, so as to facilitate the protection operation of the stator body 105. When disassembly is required, press the connection button 1071 to drive the connecting rod 1074 to press onto the connecting buckle 1078, and at the same time squeeze the second return spring 10711. The elastic force of the second return spring 10711 drives the connecting buckle 1078 to retract, so that the connecting buckle 1078 pops out from the connecting slot 1077, so as to facilitate the disassembly of the sealing front end cover 101 and the sealing rear end cover 102, and to facilitate the maintenance operation of the stator body 105.

[0027] Finally, it should be noted that the above content is only used to illustrate the technical solution of the utility model, rather than to limit the protection scope of the utility model. Simple modifications or equivalent substitutions of the technical solution of the utility model by ordinary technicians in this field do not deviate from the essence and scope of the technical solution of the utility model.

Claims

1. A sealed structure stator for a permanent magnet synchronous motor, comprising a main body mechanism (1) and a mounting mechanism (2), characterized in that: The mounting mechanism (2) is located inside the main mechanism (1). The main mechanism (1) comprises a sealing front end cover (101), a sealing rear end cover (102), a sealing groove (103), a sealing gasket (104), a stator body (105), a rotor body (106) and a connecting assembly (107). The sealing rear end cover (102) is movably mounted at the rear end of the sealing front end cover (101). The sealing groove (103) is fixedly arranged at the inner end of the front end of the sealing front end cover (101). The sealing gasket (104) is movably mounted at the inner end of the sealing groove (103). The stator body (105) is movably mounted at the inner ends of the sealing front end cover (101) and the sealing rear end cover (102). The rotor body (106) is movably mounted at the front end of the stator body (105). The connecting assembly (107) is located on the left and right sides of the sealing rear end cover (102).

2. The sealed structure stator for a permanent magnet synchronous motor according to claim 1, characterized in that: The connection assembly (107) comprises a connection button (1071), a first installation slot (1072), a first limit block (1073), a connection rod (1074), a first return spring (1075), a connection pipe seat (1076), a connection slot (1077), a connection buckle (1078), a second installation slot (1079), a second limit block (10710) and a second return spring (10711); the connection button (1071) is movably mounted on the left and right ends of the sealing rear end cover (102).

3. The sealed structure stator for a permanent magnet synchronous motor according to claim 2, characterized in that: The first mounting groove (1072) is fixedly arranged at the inner end of the sealing rear end cover (102), and the first limiting block (1073) is fixedly arranged at the left end of the connecting button (1071), and the first limiting block (1073) is located inside the first mounting groove (1072).

4. The sealed structure stator for a permanent magnet synchronous motor according to claim 3, characterized in that: The connecting rod (1074) is fixedly mounted on the left end of the first limit block (1073), the first return spring (1075) is fixedly mounted on the left end of the first limit block (1073), and the connecting pipe seat (1076) is fixedly mounted on the rear end of the sealing front end cover (101).

5. The sealed structure stator for a permanent magnet synchronous motor according to claim 4, characterized in that: The connecting slot (1077) is fixedly arranged at the left and right ends of the inner end of the sealing rear end cover (102), the connecting buckle (1078) is movably installed at the left and right ends of the connecting pipe seat (1076), the second installation slot (1079) is fixedly arranged at the inner end of the connecting pipe seat (1076), the second limit block (10710) is fixedly installed at the left end of the connecting buckle (1078), the second limit block (10710) is located inside the second installation slot (1079), and the second return spring (10711) is fixedly installed at the left end of the second limit block (10710).

6. The sealed structure stator for a permanent magnet synchronous motor according to claim 5, characterized in that: The mounting mechanism (2) comprises a mounting block (201), a telescopic rod (202), a sleeve (203), a connecting spring (204), a connecting hole (205), a mounting plug rod (206) and a mounting slot (207); the mounting block (201) is fixedly mounted on the left and right ends of the stator body (105); the telescopic rod (202) is fixedly mounted on the left and right ends of the mounting block (201); the sleeve (203) is movably mounted on the left and right ends of the telescopic rod (202); the connecting spring (204) is fixedly mounted in the middle of the mounting block (201) and the sleeve (203); and the connecting spring (204) is located at the outer end of the telescopic rod (202).

7. The sealed structure stator for a permanent magnet synchronous motor according to claim 6, characterized in that: The connection hole (205) is fixedly arranged at the left and right ends of the sealing front end cover (101), the sleeve (203) is movably connected to the inner end of the connection hole (205), the installation rod (206) is fixedly arranged at the left and right ends of the rear end of the sealing front end cover (101), and the installation slot (207) is fixedly arranged at the left and right ends of the front end of the sealing rear end cover (102).

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