A high-durability permanent magnet motor with a linkage type heat dissipation and protection device

Abstract

The present invention relates to the technical field of permanent magnet motor protection and heat dissipation, in particular to a highly durable permanent magnet motor with a linkage heat dissipation protection device, including a motor body, and an annular lateral storage groove is formed in the housing on the outer side of the motor body. In the highly durable permanent magnet motor with a linkage heat dissipation protection device of the present invention, an annular lateral storage groove with an internally installed arc-shaped sliding cover plate is provided on the housing on the outer side of the motor body. The sliding of the arc-shaped sliding cover plate is automatically controlled by the air flow generated by the lateral centrifugal fan, so as to automatically change the external mechanism of the motor housing, improving the heat dissipation effect and durability; the arc-shaped sliding cover plate is assembled by the lateral linkage guiding mechanism installed inside the installation side guide groove, so that the arc-shaped sliding cover plate can maintain external sealing in the storage state and can also perform elastic buffering after being impacted, greatly improving the safety performance.

Description

Technical Field

[0001] The present invention relates to the technical field of permanent magnet motor protection and heat dissipation, and in particular to a highly durable permanent magnet motor with a linkage heat dissipation protection device. Background Art

[0002] A permanent magnet motor is a type of drive motor that establishes a magnetic field through permanent magnets. Permanent magnet motors are widely used in various portable electronic devices or appliances, and due to their high stability and transmission efficiency, they are also widely used in some high-precision and high-tech products.

[0003] Currently, the external housing structure of permanent magnet motors is simple and fixed, unable to automatically change the heat dissipation method and structure of the motor according to the motor speed, resulting in a problem of reduced durability of the motor under long-term high-speed rotation. Moreover, the traditional heat dissipation mechanism of permanent magnet motors cannot be linked and controlled, making it very inconvenient to use. Summary of the Invention

[0004] The technical problem to be solved by the present invention is: to solve the problems existing in the above background art, to provide an improved highly durable permanent magnet motor with a linkage heat dissipation protection device, to solve the problem that the external housing structure of the current permanent magnet motor is simple and fixed, unable to automatically change the heat dissipation method and structure of the motor according to the motor speed, resulting in reduced durability of the motor under long-term high-speed rotation, and the problem that the traditional heat dissipation mechanism of the permanent magnet motor cannot be linked and controlled, making it very inconvenient to use.

[0005] The technical solution adopted by the present invention to solve its technical problems is: a highly durable permanent magnet motor with a linkage heat dissipation protection device, including a motor body. An annular lateral storage groove is opened on the housing outside the motor body. A lateral centrifugal fan is coaxially fixed on the drive shaft on the left side of the motor body. A side guide cover is fixedly assembled on the left side wall of the motor body around the lateral centrifugal fan. An arc-shaped sliding cover plate is elastically assembled inside the annular lateral storage groove. Lateral linkage guiding mechanisms for elastically assembling the arc-shaped sliding cover plate are symmetrically arranged on the inner side surface of the annular lateral storage groove.

[0006] A plurality of strip-shaped assembly grooves are opened on the inner arc surface of the annular lateral storage groove. A side guide pipe for connecting the two ends of the lateral linkage guiding mechanisms is fixedly assembled inside the strip-shaped assembly groove.

[0007] A circular lateral air inlet with a metal filter screen inside is opened at the middle position on the outer side surface of the side guide cover.

[0008] Side placement guide grooves for assembling the lateral linkage guiding mechanisms are symmetrically opened on the inner side surface of the annular lateral storage groove.

[0009] The lateral linkage guiding mechanism includes an internal guiding tube fixed inside the side guiding groove, an L-shaped side guiding tube movably sleeved outside the internal guiding tube, an external sliding fitting tube slidably assembled outside the side guiding tube, and an elastic guiding plate installed inside the side guiding groove. The side wall of the external sliding fitting tube is provided with lateral exhaust holes.

[0010] At both ends of the inner arc surface of the arc-shaped sliding cover plate, internal mounting brackets for connecting the side guiding tube are symmetrically arranged, and the arc-shaped sliding cover plate is fixedly connected to the outer side surface of the side guiding tube through the internal mounting brackets.

[0011] On the outer arc surface of the side guiding cover, there is an external guiding tube communicating with the inside of the strip-shaped assembly groove. Both sides of the side guiding tube are fixedly communicated with the external guiding tube and the internal guiding tube respectively through side guiding flow channel holes.

[0012] Both ends of the arc-shaped sliding cover plate have assembly inclined surfaces.

[0013] On the inner arc surface of the arc-shaped sliding cover plate, a plurality of internal thread assembly blind holes are provided at the assembly end of the internal mounting bracket. The internal mounting bracket is fixedly connected to the arc-shaped sliding cover plate by screwing a lateral bolt into the internal thread assembly blind hole.

[0014] An arc-shaped exhaust port is provided inside the outer wall of the side guiding cover. An external sinking groove communicating with the outer opening of the arc-shaped exhaust port is provided on the outer arc surface of the side guiding cover. The lower end of the external guiding tube has an arc-shaped guiding cover communicating with the external sinking groove.

[0015] The beneficial effects of the present invention are:

[0016] (1) In the high-durability permanent magnet motor with a linkage type heat dissipation protection device of the present invention, a circular lateral storage groove for internally mounting an arc-shaped sliding cover plate is provided on the housing outside the motor body. The sliding of the arc-shaped sliding cover plate is automatically controlled by the air flow generated by the lateral centrifugal fan, so as to automatically change the external mechanism of the motor housing, improving the heat dissipation effect and durability;

[0017] (2) The arc-shaped sliding cover plate is assembled by using the lateral linkage guiding mechanism installed inside the side guiding groove, so that the arc-shaped sliding cover plate can maintain external sealing in the storage state and can also perform elastic buffering after being impacted, greatly improving the safety;

[0018] (3) The extension length of the arc-shaped sliding cover plate is automatically adjusted by adopting a linkage control method, so as to automatically change the heat dissipation performance and effect, and the linkage performance is very excellent. Description of the Drawings

[0019] The present invention will be further described below with reference to the drawings and embodiments.

[0020] Figure 1 It is a structural schematic diagram of the present invention.

[0021] Figure 2 It is a side sectional view of the present invention.

[0022] Figure 3 It is a partial sectional view of the assembly end of the external guide pipe in the present invention.

[0023] In the figure: 1. Motor body, 2. Annular lateral receiving groove, 3. Lateral centrifugal fan, 4. Lateral guide cover, 5. Arc-shaped sliding cover plate, 6. Strip-shaped assembly groove, 7. Lateral guide pipe, 8. Metal filter screen, 9. Side-mounted guide groove, 10. Internal guide pipe, 11. Side-mounted guide pipe, 12. External sliding assembly pipe, 13. Elastic guide plate, 14. Lateral exhaust hole, 15. Internal mounting bracket, 16. External guide pipe, 17. Side-mounted guide flow channel hole, 18. Arc-shaped exhaust port, 19. Arc-shaped guide cover. Detailed implementation manners

[0024] Now, the present invention will be further described in detail with reference to the accompanying drawings. These drawings are all simplified schematic diagrams, only illustrating the basic structure of the present invention in a schematic manner, so they only show the components related to the present invention.

[0025] In the description of the present invention, it should be noted that unless otherwise clearly specified and defined, the terms "connected" and "coupled" 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 directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0026] Figure 1 , Figure 2 and Figure 3 As shown in, a highly durable permanent magnet motor with a linkage type heat dissipation and protection device includes a motor body 1. An annular lateral receiving groove 2 is formed on the outer shell of the motor body 1. A lateral centrifugal fan 3 is coaxially fixed on the drive shaft on the left side of the motor body 1. A lateral guide cover 4 is fixedly assembled on the left side wall of the motor body 1 around the lateral centrifugal fan 3. An arc-shaped sliding cover plate 5 is elastically assembled inside the annular lateral receiving groove 2. A lateral linkage guiding mechanism for elastically assembling the arc-shaped sliding cover plate 5 is symmetrically arranged on the inner side surface of the annular lateral receiving groove 2.

[0027] In order to cooperate with the communication on both sides, 8 strip-shaped assembly grooves 6 are formed on the inner arc surface of the annular lateral receiving groove 2. A lateral guide pipe 7 for connecting the two ends of the lateral linkage guiding mechanism is fixedly assembled inside the strip-shaped assembly grooves 6. The lateral guide pipe 7 is fixedly welded inside the strip-shaped assembly grooves 6.

[0028] To cooperate with the lateral air intake and filter the intake air, a circular lateral air intake port with a metal filter screen 8 inside is provided in the middle position of the outer side surface of the lateral deflector cover 4.

[0029] To cooperate with the inner assembly, side guide grooves 9 for assembling the lateral linkage guiding mechanism are symmetrically provided on the inner side surface of the annular lateral receiving groove 2.

[0030] To cooperate with the extrusion sliding adjustment, the lateral linkage guiding mechanism includes an internal guiding tube 10 fixed inside the side guide groove 9, an L-shaped side guiding tube 11 movably sleeved outside the internal guiding tube 10, an external sliding assembly tube 12 slidably assembled outside the side guiding tube 11, and an elastic guiding plate 13 installed inside the side guide groove 9. One end of the elastic guiding plate 13 is fixed at the high position of the inner inclined surface of the side guide groove 9, and the other side is in the air, cooperating to guide and elastically buffer the external sliding assembly tube 12. An extrusion spring for controlling the elastic reset of the external sliding assembly tube 12 is installed on the side wall of the side guide groove 9 far from the internal guiding tube 10. Lateral exhaust holes 14 are provided on the side wall of the external sliding assembly tube 12.

[0031] To cooperate with the installation, internal installation brackets 15 for connecting the side guiding tubes 11 are symmetrically provided at both ends of the inner arc surface of the arc-shaped sliding cover plate 5. The arc-shaped sliding cover plate 5 is fixedly connected to the outer side surface of the side guiding tube 11 through the internal installation brackets 15.

[0032] To cooperate with the lateral diversion, an external diversion tube 16 communicating with the inside of the strip-shaped assembly groove 6 is provided on the outer arc surface of the lateral deflector cover 4. Both sides of the lateral diversion tube 7 are fixedly communicated with the external diversion tube 16 and the internal guiding tube 10 respectively through side guiding flow channel holes 17.

[0033] Both sides of the lateral diversion tube 7 are communicated with the corresponding internal guiding tubes 10 through side guiding flow channel holes 17, guiding the high-pressure air flow generated by the lateral centrifugal fan 3 into the internal guiding tubes 10, and then blowing from the internal guiding tubes 10 into the side guiding tubes 11, pushing the external sliding assembly tubes 12 to slide outward and translate. Then, when the external sliding assembly tubes 12 slide to the position where the lateral exhaust holes 14 are communicated with the side guiding tubes 11, the external sliding assembly tubes 12 stop sliding outward. At the same time, the lateral exhaust holes 14 blow air into the annular lateral receiving groove 2 for heat dissipation.

[0034] To improve the assembly sealing performance, assembly inclined surfaces are provided at both ends of the arc-shaped sliding cover plate 5.

[0035] In order to cooperate with the adjustment and assembly of the position of the internal mounting bracket 15, two internal thread assembly blind holes are provided on the inner arc surface of the arc-shaped sliding cover plate 5 at the assembly end of the internal mounting bracket 15. The internal mounting bracket 15 is fixedly connected to the arc-shaped sliding cover plate 5 by screwing a lateral bolt into the internal thread assembly blind hole.

[0036] For the purpose of cooperating with the assembly, an arc-shaped exhaust port 18 is provided inside the outer wall of the side guide flow cover 5, and an external sinking groove communicating with the outer opening of the arc-shaped exhaust port 18 is provided on the outer arc surface of the side guide flow cover 5. The lower end of the external guide pipe 16 is provided with an arc-shaped guide cover 19 communicating with the external sinking groove.

[0037] In a high-durability permanent magnet motor with a linkage type heat dissipation protection device according to the present invention, a circular lateral storage groove 2 for installing the arc-shaped sliding cover plate 5 is provided on the housing outside the motor body 1. The sliding of the arc-shaped sliding cover plate 5 is automatically controlled by the air flow generated by the lateral centrifugal fan 3, so as to automatically change the external mechanism of the motor housing, improve the heat dissipation effect and durability; the arc-shaped sliding cover plate 5 is assembled by using a lateral linkage guiding mechanism inside the installed side guiding groove 9, so that the arc-shaped sliding cover plate 5 can maintain external sealing in the storage state and can also perform elastic buffering after being impacted, greatly improving the safety; the extension length of the arc-shaped sliding cover plate 5 is automatically adjusted in a linkage control manner, so as to automatically change the heat dissipation performance and effect, and the linkage performance is very excellent.

[0038] Inspired by the above ideal embodiments based on the present invention, through the above description, relevant staff can completely make various changes and modifications without departing from the technical idea of this invention. The technical scope of this invention is not limited to the content in the specification, and its technical scope must be determined according to the scope of the claims.

Claims

1. A highly durable permanent magnet motor with a linkage type heat dissipation and protection device, including a motor body (1). Characterized in that: An annular lateral storage groove (2) is opened on the outer shell of the motor body (1). A lateral centrifugal fan (3) is coaxially fixed on the driving shaft on the left side of the motor body (1). A side guide cover (4) is fixedly assembled on the left side wall of the motor body (1) around the lateral centrifugal fan (3). An arc-shaped sliding cover plate (5) is elastically assembled inside the annular lateral storage groove (2). Lateral linkage guiding mechanisms for elastically assembling the arc-shaped sliding cover plate (5) are symmetrically arranged on the inner side surface of the annular lateral storage groove (2). A plurality of strip-shaped assembly grooves (6) are opened on the inner arc surface of the annular lateral storage groove (2). A side guide flow pipe (7) for connecting the two ends of the lateral linkage guiding mechanisms is fixedly assembled inside the strip-shaped assembly groove (6). A circular lateral air inlet with a metal filter screen (8) inside is opened at the middle position of the outer side surface of the side guide cover (4). Side guide grooves (9) for assembling the lateral linkage guiding mechanisms are symmetrically opened on the inner side surface of the annular lateral storage groove (2). The lateral linkage guiding mechanism includes an internal guiding pipe (10) fixed inside the side guide groove (9), an L-shaped side guide pipe (11) movably sleeved outside the internal guiding pipe (10), an external sliding assembly pipe (12) slidably assembled outside the side guide pipe (11), and an elastic guide plate (13) installed inside the side guide groove (9). Lateral exhaust holes (14) are opened on the side wall of the external sliding assembly pipe (12). Internal mounting brackets (15) for connecting the side guide pipes (11) are symmetrically arranged at both ends of the inner arc surface of the arc-shaped sliding cover plate (5). The arc-shaped sliding cover plate (5) is fixedly connected to the outer side surface of the side guide pipe (11) through the internal mounting brackets (15). An external guide pipe (16) communicating with the inside of the strip-shaped assembly groove (6) is provided on the outer arc surface of the side guide cover (4). Both sides of the side guide flow pipe (7) are fixedly communicated with the external guide pipe (16) and the internal guiding pipe (10) respectively through side guide flow channel holes (17). Both ends of the arc-shaped sliding cover plate (5) have assembly inclined surfaces.

2. A highly durable permanent magnet motor with a linkage type heat dissipation and protection device according to claim 1, Characterized in that: A plurality of internal thread assembly blind holes are opened on the inner arc surface of the arc-shaped sliding cover plate (5) at the assembly end of the internal mounting brackets (15). The internal mounting brackets (15) are fixedly connected to the arc-shaped sliding cover plate (5) by laterally screwing bolts into the internal thread assembly blind holes.

3. A highly durable permanent magnet motor with a linkage type heat dissipation and protection device according to claim 1, Characterized in that: An arc-shaped exhaust port (18) is opened inside the outer wall of the side guide cover (4). An external sinking groove communicating with the outer opening of the arc-shaped exhaust port (18) is opened on the outer arc surface of the side guide cover (4). The lower end of the external guide pipe (16) has an arc-shaped guide cover (19) communicating with the external sinking groove.

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