CN214154245U

CN214154245U - Permanent magnet direct current motor with shock attenuation effect

Info

Publication number: CN214154245U
Application number: CN202120234395.7U
Authority: CN
Inventors: 肖飞阳
Original assignee: Wuxi Mingcheng Motor Manufacturing Co ltd
Current assignee: Wuxi Mingcheng Motor Manufacturing Co ltd
Priority date: 2021-01-27
Filing date: 2021-01-27
Publication date: 2021-09-07
Anticipated expiration: 2031-01-27

Abstract

The application relates to the field of motors, in particular to a permanent magnet direct current motor with a damping effect, which comprises a motor body and a support fixedly connected to the bottom of the motor body, the support is provided with a shock absorption structure, the shock absorption structure comprises a mounting seat and a plurality of buffer components, the mounting seat is provided with a mounting groove, the support seat is arranged in the mounting groove, the buffer component comprises an adjusting screw rod, an adjusting nut and a buffer spring, the adjusting screw rod is vertically arranged at the bottom of the mounting groove, one end of the adjusting screw rod, which is far away from the bottom of the mounting groove, penetrates through the support, the adjusting nut is in threaded connection with one end of the adjusting screw penetrating through the support, the buffer spring is sleeved on the adjusting screw, the buffer spring is positioned between the adjusting nut and the support, one end of the buffer spring is abutted against the adjusting nut, and the other end of the buffer spring is abutted against the support. This application has the effect that improves permanent magnet direct current motor's life.

Description

Permanent magnet direct current motor with shock attenuation effect

Technical Field

The application relates to the field of motors, in particular to a permanent magnet direct current motor with a damping effect.

Background

A permanent magnet dc motor is a dc motor that uses permanent magnets to create a magnetic field. The permanent magnet direct current motor is widely applied to various portable electronic devices or appliances, such as recorders, VCD (video recorder), record players, electric massagers and various toys, and also widely applied to industries such as automobiles, motorcycles, electric bicycles, storage battery cars, ships, aviation, machinery and the like.

In the process of using permanent magnet direct current motor in the installation, can adopt to set up the support on the shell of permanent magnet direct current motor body at present usually, and on rethread support was connected to corresponding equipment, in order to carry out the shock attenuation to permanent magnet direct current motor, can set up a shock pad in order to play absorbing effect between support and equipment.

To the above-mentioned correlation technique, the inventor thinks that, the shock pad is connected between support and equipment through gluing or bolt pressing's mode usually, and after long-time the use, glue loses the possibility that viscidity or the not hard up of screw thread all can lead to the shock pad pine to take off, and permanent magnet direct current motor at this moment can't maintain better shock attenuation effect, shortens permanent magnet direct current motor's life easily.

SUMMERY OF THE UTILITY MODEL

In order to improve permanent magnet direct current motor's life, this application provides a permanent magnet direct current motor with shock attenuation effect.

The application provides a permanent magnet direct current motor with shock attenuation effect adopts following technical scheme:

the utility model provides a permanent magnet direct current motor with shock attenuation effect, includes motor body and the support of fixed connection in the motor body bottom, be provided with shock-absorbing structure on the support, shock-absorbing structure includes mount pad and a plurality of buffering subassembly, the mounting groove has been seted up on the mount pad, the support is placed in the mounting groove, buffering subassembly includes adjusting screw, adjusting nut and buffer spring, adjusting screw sets up the tank bottom at the mounting groove perpendicularly, the one end that adjusting screw kept away from the mounting groove tank bottom runs through the support setting, adjusting nut threaded connection runs through the one end of support at adjusting screw, the buffer spring cover is established on adjusting screw, buffer spring is located between adjusting nut and the support, buffer spring's one end and adjusting nut offset, and the other end and support offset.

Through adopting above-mentioned technical scheme, the support is placed and can be played limiting displacement to the support in the mounting groove, and buffer spring can absorb the produced energy of vibrations to reduce the influence that vibrations produced motor body, realize improving permanent magnet direct current motor's life's purpose, simultaneously the staff can be through rotating lock nut, thereby adjust the distance between adjusting nut and the support, with this regulation of realization to buffer spring buffering shock attenuation effect.

Optionally, a buffer layer is arranged between the support and the bottom of the mounting groove.

Through adopting above-mentioned technical scheme, the setting of buffer layer can further play the effect of buffering shock attenuation to motor body on support and the support.

Optionally, a space is formed between the support and the vertical side wall of the mounting groove, and the buffer layer extends between the support and the vertical side wall of the mounting groove and fills the space.

Through adopting above-mentioned technical scheme, the buffer layer is filled and can be made the difficult emergence of support rock between the vertical lateral wall of support and mounting groove to improve the buffering shock attenuation effect between the vertical lateral wall of support and mounting groove.

Optionally, the border all around of buffer layer laminating mounting groove tank bottom is equipped with the turn-ups, the holding tank has been seted up to the border all around of mounting groove tank bottom, the turn-ups is filled in the holding tank.

Through adopting above-mentioned technical scheme, the setting up of turn-ups and holding tank makes the buffer layer be difficult for deviating from between the vertical lateral wall of support and mounting groove.

Optionally, a plurality of auxiliary springs are preset in the buffer layer, the auxiliary springs are located between the support and the vertical side wall of the mounting groove, and the auxiliary springs are arranged in parallel to a connecting line between the support and the vertical side wall of the mounting groove.

Through adopting above-mentioned technical scheme, auxiliary spring's setting can further improve the buffering shock attenuation effect between the vertical lateral wall of support and mounting groove.

Optionally, a limiting plate is connected to the mounting seat in a sliding mode, and the limiting plate abuts against the side wall, far away from the bottom of the mounting groove, of the buffer layer.

Through adopting above-mentioned technical scheme, the limiting plate can play spacing effect to the buffer layer, further makes the buffer layer be difficult for deviating from between the vertical lateral wall of support and mounting groove.

Optionally, the limiting plate is provided with a guide block, the mounting seat is provided with a guide groove, the cross sections of the guide block and the guide groove are both in dovetail arrangement, and the guide block is located in the guide groove and is in sliding fit with the guide groove.

Through adopting above-mentioned technical scheme, during the installation buffer layer, the staff can slide the limiting plate open, makes it not influence the installation of buffer layer, and the cross-section of guide block and guide way is the dovetail setting and can makes the guide block be difficult for deviating from the guide way.

Optionally, a threaded hole is formed in the vertical outer side wall of the mounting seat, the threaded hole is communicated with the guide groove, a puller bolt is screwed in the threaded hole, and the puller bolt abuts against the guide block.

Through adopting above-mentioned technical scheme, contradict the guide block setting with the puller bolt and can carry on spacingly to the limiting plate, make the limiting plate difficult for slipping when using.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the support is placed in the mounting groove, so that the limiting effect on the support can be achieved, the buffer spring can absorb energy generated by vibration, the influence of the vibration on the motor body is reduced, the service life of the permanent magnet direct current motor is prolonged, and meanwhile, a worker can adjust the distance between the adjusting nut and the support by rotating the locking nut, so that the buffering and damping effect of the buffer spring is adjusted;

2. the buffer layer can further play a role in buffering and damping the support and the motor body on the support;

3. the setting of auxiliary spring can further improve the buffering shock attenuation effect between the vertical lateral wall of support and mounting groove.

Drawings

Fig. 1 is a schematic structural diagram of a permanent magnet direct current motor with a damping effect according to an embodiment of the present application.

Fig. 2 is a sectional view for showing a positional relationship between the auxiliary spring and the buffer layer in the embodiment of the present application.

Description of reference numerals: 1. a motor body; 2. a support; 3. a mounting seat; 31. mounting holes; 32. mounting grooves; 4. a buffer assembly; 41. adjusting the screw rod; 42. adjusting the nut; 43. a buffer spring; 51. a buffer layer; 52. flanging; 53. accommodating grooves; 54. an auxiliary spring; 61. a limiting plate; 62. a guide block; 63. a guide groove; 71. a threaded hole; 72. and tightly pushing the bolt.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses permanent magnet direct current motor with shock attenuation effect. Referring to fig. 1, the permanent magnet dc motor with a damping effect includes a motor body 1 and a support 2 fixedly connected to a bottom of the motor body 1. Be provided with shock-absorbing structure on the support 2, shock-absorbing structure can play absorbing effect to motor body 1 to improve permanent magnet direct current motor's life.

Referring to fig. 1 and 2, support 2 is the rectangle setting, and shock-absorbing structure has seted up mounting hole 31 including being rectangular mount pad 3 and a plurality of buffering subassembly 4 on the mount pad 3, and buffering subassembly 4 is provided with four in this embodiment, and four buffering subassemblies 4 are located the four corners department of support 2 respectively to improve buffering subassembly 4 and to support 2 and the buffering shock attenuation effect of motor body 1 on the support 2.

Referring to fig. 1 and 2, the mounting seat 3 is provided with a mounting groove 32, and the support 2 is mounted in the mounting groove 32. Buffer unit 4 includes adjusting screw 41, adjusting nut 42 and buffer spring 43, the perpendicular fixed connection of adjusting screw 41 is at the tank bottom of mounting groove 32, adjusting screw 41 is kept away from the one end of mounting groove 32 tank bottom and is run through the setting of support 2, adjusting nut 42 threaded connection is in the one end that adjusting screw 41 runs through support 2, buffer spring 43 cover is established on adjusting screw 41, buffer spring 43 is located between adjusting nut 42 and the support 2, buffer spring 43's one end and adjusting nut 42 offset, the other end and support 2 offset. The staff can rotate adjusting nut 42 to the distance between control adjusting nut 42 and the support 2 realizes the regulation to buffer spring 43 buffering shock attenuation effect.

Referring to fig. 1 and 2, in order to further buffer and absorb the vibration of the support 2 and the motor body 1 on the support 2, a buffer layer 51 is arranged between the support 2 and the bottom of the mounting groove 32, the buffer layer 51 is a rubber layer, and the rubber has a good damping effect. In order to improve the buffer effect of the mount 2 and the motor body 1 on the mount 2, the mount 2 and the vertical sidewall of the mounting groove 32 have a space therebetween, and the buffer layer 51 extends between and fills the mount 2 and the vertical sidewall of the mounting groove 32.

Referring to fig. 2, in order to make buffer layer 51 not easily break away from mounting groove 32, buffer layer 51 laminates the border integrated into one piece all around of mounting groove 32 tank bottom and has had turn-ups 52, and receiving groove 53 has been seted up to the border all around of mounting groove 32 tank bottom, and turn-ups 52 is filled in receiving groove 53, and receiving groove 53 and turn-ups 52's setting can play spacing effect to turn-ups 52. In order to further improve the buffering effect of the buffering layer 51, a plurality of auxiliary springs 54 are preset in the buffering layer 51, the auxiliary springs 54 are located between the support 2 and the vertical side wall of the mounting groove 32, and the axes of the auxiliary springs 54 are parallel to the connecting line between the support 2 and the vertical side wall of the mounting groove 32, so that the buffering and damping effects between the support 2 and the vertical side wall of the mounting groove 32 are improved.

Referring to fig. 1 and 2, in order to further limit the buffer layer 51, a limiting plate 61 is connected to the mounting seat 3 in a sliding manner, in this embodiment, the two limiting plates 61 are disposed on two sides of the mounting seat 3, and the limiting plate 61 abuts against a side wall of the buffer layer 51 far away from the bottom of the mounting groove 32, so that the buffer layer 51 is pressed and limited. Fixedly connected with guide block 62 on the lateral wall of limiting plate 61 laminating mount pad 3, the guide way 63 has been seted up on the mount pad 3, guide block 62 be arranged in guide way 63 and with guide way 63 sliding fit, the cross-section of guide block 62 and guide way 63 is the dovetail setting and can makes guide block 62 be difficult to deviate from in the guide way 63.

Referring to fig. 1 and 2, in order to limit the limiting plate 61, a threaded hole 71 is formed in the vertical outer side wall of the mounting seat 3, the threaded hole 71 is communicated with the guide groove 63, a tightening bolt 72 is screwed in the threaded hole 71, the tightening bolt 72 and the guide block 62 are arranged in a one-to-one correspondence manner, and the end portion of the tightening bolt 72 abuts against the guide block 62.

The implementation principle of the permanent magnet direct current motor with the damping effect is as follows: install mount pad 3 on the equipment that corresponds through mounting hole 31, because be provided with buffer structure between mount pad 3 and the support 2, when equipment takes place vibrations, buffer spring 43 can absorb the produced energy of equipment vibrations, make equipment vibrations less to motor body 1's influence, buffer layer 51's setting can play the absorbing effect of buffering to motor body 1 on support 2 and the support 2 simultaneously, further reduce the influence that equipment vibrations produced motor body 1, limiting plate 61's setting can reduce the buffer layer 51 and follow the possibility of deviating from between the vertical lateral wall of support 2 and mounting groove 32, and then guaranteed the absorbing effect of buffering that buffer layer 51 can play to motor body 1 on support 2 and the support 2, thereby permanent magnet direct current motor's life has been improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a permanent magnet direct current motor with shock attenuation effect, includes motor body (1) and support (2) of fixed connection in motor body (1) bottom, its characterized in that: be provided with shock-absorbing structure on support (2), shock-absorbing structure includes mount pad (3) and a plurality of buffering subassembly (4), mounting groove (32) have been seted up on mount pad (3), place in mounting groove (32) support (2), buffering subassembly (4) include adjusting screw (41), adjusting nut (42) and buffer spring (43), adjusting screw (41) set up the tank bottom at mounting groove (32) perpendicularly, the one end that mounting groove (32) tank bottom was kept away from in adjusting screw (41) runs through support (2) and sets up, adjusting nut (42) threaded connection is in the one end that adjusting screw (41) run through support (2), buffer spring (43) cover is established on adjusting screw (41), buffer spring (43) are located between adjusting nut (42) and support (2), the one end and adjusting nut (42) of buffer spring (43) offset, the other end is propped against the support (2).

2. The permanent magnet direct current motor with a shock-absorbing effect according to claim 1, characterized in that: and a buffer layer (51) is arranged between the support (2) and the bottom of the mounting groove (32).

3. The permanent magnet direct current motor with a damping effect according to claim 2, characterized in that: the support (2) and the vertical side wall of the mounting groove (32) are spaced, and the buffer layer (51) extends between the support (2) and the vertical side wall of the mounting groove (32) and fills the support (2) and the vertical side wall.

4. The permanent magnet direct current motor with a damping effect according to claim 3, characterized in that: buffer layer (51) laminating mounting groove (32) tank bottom border all around is equipped with turn-ups (52), holding tank (53) have been seted up to the border all around of mounting groove (32) tank bottom, turn-ups (52) are filled in holding tank (53).

5. The permanent magnet direct current motor with a damping effect according to claim 3, characterized in that: a plurality of auxiliary springs (54) are preset in the buffer layer (51), the auxiliary springs (54) are located between the support seat (2) and the vertical side wall of the mounting groove (32), and the auxiliary springs (54) are arranged in parallel to a connecting line between the support seat (2) and the vertical side wall of the mounting groove (32).

6. The permanent magnet direct current motor with a shock-absorbing effect according to claim 5, characterized in that: the mounting seat (3) is connected with a limiting plate (61) in a sliding mode, and the limiting plate (61) abuts against the side wall, far away from the bottom of the mounting groove (32), of the buffer layer (51).

7. The permanent magnet direct current motor with a shock-absorbing effect according to claim 6, characterized in that: be equipped with guide block (62) on limiting plate (61), be equipped with guide way (63) on mount pad (3), the cross-section of guide block (62) and guide way (63) is the dovetail setting, guide block (62) are arranged in guide way (63) and with guide way (63) sliding fit.

8. The permanent magnet direct current motor with a shock-absorbing effect according to claim 7, characterized in that: threaded hole (71) have been seted up on the vertical lateral wall of mount pad (3), threaded hole (71) intercommunication guide way (63) set up, spiro union has puller bolt (72) in threaded hole (71), puller bolt (72) conflict guide block (62) set up.