CN218526153U

CN218526153U - Low-voltage motor protection device

Info

Publication number: CN218526153U
Application number: CN202222112510.0U
Authority: CN
Inventors: 赵杰; 张延平; 肖海涛; 董继民; 梁闪光; 尹森林
Original assignee: Shanghai Red Sandalwood Intelligent Technology Co ltd
Current assignee: Shanghai Red Sandalwood Intelligent Technology Co ltd
Priority date: 2022-08-11
Filing date: 2022-08-11
Publication date: 2023-02-24
Anticipated expiration: 2032-08-11

Abstract

The utility model discloses a low-voltage motor protection device, the on-line screen storage device comprises a base, the centre of base is provided with the cavity, be provided with the supporting box in the cavity, the opening part of supporting box is provided with the backup pad, the backup pad is used for placing low-voltage motor, the cavity bottom is provided with a plurality of recesses along vertical direction, be provided with first spring and guide pillar in the recess, the one end of first spring is connected with the bottom of recess, the other end and the guide pillar of first spring are connected, the other end of guide pillar contacts with the bottom of supporting box, the guide pillar can remove along the axis direction in the recess. Through setting up first spring, first spring can play good cushioning effect, reduces the tremble power of motor during operation, has prolonged the life of motor during operation.

Description

Low-voltage motor protection device

Technical Field

The utility model belongs to the technical field of electrical equipment, especially, relate to a low-voltage motor protection device.

Background

The low-voltage motor is a motor with rated voltage below 1000V, and the low-voltage motor protector has the advantage of high sensitivity. However, the existing low-voltage motor is fixed rigidly, and the motor can generate large vibration force during working, so that the motor is easily damaged, the service life of the motor is shortened, and the motor is not stable enough during working and is easy to cause safety problems. And therefore need to be protected by a motor protection device.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model aims to provide a low-voltage motor protection device, through setting up first spring, good cushioning effect can be played to first spring, reduces the tremble power of motor during operation, has prolonged the life of motor during operation.

The utility model provides a following technical scheme:

the utility model provides a low-voltage motor protection device, includes the base, the centre of base is provided with the cavity, be provided with the support box in the cavity, the opening part of support box is provided with the backup pad, the backup pad is used for placing the low-voltage motor, the cavity bottom is provided with a plurality of recesses along vertical direction, be provided with first spring and guide pillar in the recess, the one end of first spring is connected with the bottom of recess, the other end and the guide pillar of first spring are connected, the other end and the bottom contact of support box of guide pillar, the guide pillar can remove along the axis direction in the recess.

Preferably, the cavity is in a frustum pyramid structure, the supporting box is matched with the cavity in shape, and a gap is formed between the supporting box and the cavity.

Preferably, the circumference of the base is transversely provided with a plurality of square grooves, the square grooves are internally provided with a second spring and a supporting block, one end of the second spring is connected with the inner wall of the square groove, the other end of the second spring is connected with the supporting block, the supporting block can move in the square grooves, and the other end of the supporting block is connected with the outer surface of the supporting box.

Preferably, a fan is arranged in the base, an air inlet of the fan is communicated with the outside, an air outlet of the fan is communicated with the inner side of the supporting box through a connecting piece, and a plurality of through holes are formed in the surface of the supporting plate.

Preferably, the inside of supporting box is provided with the diaphragm, the one end of connecting piece runs through the bottom of supporting box, the diaphragm is located the inboard of supporting box in proper order.

Preferably, the connecting piece comprises a connecting pipe and a conical cap, and the conical cap is connected with the connecting pipe through a connecting column.

Preferably, the upper surface of the supporting plate is provided with a motor support, and the motor support is used for placing a low-voltage motor.

Preferably, one end of the guide pillar, which is far away from the first spring, is provided with a rubber column, the rubber column is in contact with the bottom of the support box, and one surface of the support block, which is in contact with the support box, is provided with a rubber layer.

Preferably, the periphery of the base is covered with sound-absorbing cotton, and the sound-absorbing cotton can absorb noise generated when the motor works.

Preferably, the bottom of the support box is provided with a fixing plate, and the fixing plate is used for fixing the support box.

Compared with the prior art, the utility model discloses following beneficial effect has:

(1) The utility model relates to a low-voltage motor protection device, through setting up first spring, good cushioning effect can be played to first spring, reduces the tremble power of motor during operation, has prolonged the life of motor during operation.

(2) The utility model relates to a low-voltage motor protection device, through setting up the second spring, the second spring can absorb the shake that the motor during operation produced on the horizontal plane and shimmy the power, and the shock attenuation effect is better.

(3) The utility model relates to a low-voltage motor protection device is provided with through week side at the base and inhales the sound cotton, inhales the noise that the sound cotton can absorb the motor during operation and produce, has guaranteed the quiet environment of motor during operation.

(4) The utility model relates to a low-voltage motor protection device, through setting up the fan, the fan lets in the air to the supporting box in, can cool down the motor, avoids the motor to produce the damage to the motor because of the high temperature.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a main schematic diagram of the present invention.

Fig. 2 is a schematic view of the base of the present invention.

Fig. 3 is a schematic view of the connector of the present invention.

Fig. 4 is a top view of the base of the present invention.

In the figure: 1. a base; 2. a second spring; 3. a supporting block; 4. a cavity; 5. a motor support; 6. a support plate; 7. a through hole; 8. a transverse plate; 9. a support box; 10. a fan; 11. a guide post; 12. a first spring; 13. a connecting member; 14. a connecting pipe; 15. connecting columns; 16. a conical cap; 17. a square groove.

Detailed Description

In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention will be combined below to clearly and completely describe the technical solutions in the embodiments of the present invention. It is to be understood that the described embodiments are part of the present invention and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example one

As shown in fig. 1 to 4, a low-voltage motor protection device includes a base 1, the base is connected to the ground, a cavity 4 is provided in the middle of the base 1, a support box 9 is provided in the cavity 4, a support plate 6 is provided at an opening of the support box 9, the support plate 6 is used for placing a low-voltage motor, a plurality of grooves are provided in the bottom of the cavity 4 along a vertical direction, a first spring 12 and a guide post 11 are provided in each groove, one end of the first spring 12 is connected to the bottom of each groove, the other end of the first spring 12 is connected to the guide post 11, the other end of the guide post 11 is in contact with the bottom of the support box 9, and the guide post 11 can move in the grooves along an axis direction to compress the first spring 12.

The cavity 4 is prismoid form structure form, the shape looks adaptation of supporting box 9 and cavity 4, the space has between supporting box 9 and the cavity 4, supporting box 9 can remove one section distance in cavity 4. The week side of base 1 transversely is provided with a plurality of square grooves 17, be provided with second spring 2 and supporting shoe 3 in the square groove 17, the one end of second spring 2 and the interior wall connection of square groove 17, the other end is connected with supporting shoe 3, supporting shoe 3 can remove in square groove 17, the other end of supporting shoe 3 contacts when supporting box 9 moves with the surface of supporting box 9, can act on corresponding supporting shoe 3 and compress second spring 2, and the second spring has played the ascending shake of buffering horizontal plane and has trembled the power, has reduced the ascending shake of motor horizontal direction and has trembled the power.

The upper surface of backup pad 6 is provided with motor support 5, motor support 5 is used for placing low-voltage motor. The rubber column is arranged at one end, far away from the first spring 12, of the guide column 11 and is in contact with the bottom of the supporting box 9, the elastic performance of the device is improved, good buffering performance is achieved, a rubber layer is arranged on one surface, in contact with the supporting box 9, of the supporting block 3, the buffering performance is improved, and the using effect is good. The circumference of base 1 covers there is the sound cotton of inhaling, inhale the noise that the sound cotton can absorb the motor during operation production, guaranteed quiet operational environment. The bottom of supporting box is provided with the fixed plate, the fixed plate is used for fixed supporting box.

Example two

The cavity 4 is prismoid form structure form, the shape looks adaptation of supporting box 9 and cavity 4, the space has between supporting box 9 and the cavity 4, supporting box 9 can remove one section distance in cavity 4. The week side of base 1 transversely is provided with a plurality of square grooves 17, be provided with second spring 2 and supporting shoe 3 in the square groove 17, the one end of second spring 2 and the interior wall connection in square groove 17, the other end is connected with supporting shoe 3, supporting shoe 3 can remove in square groove 17, the other end of supporting shoe 3 contacts when supporting box 9 moves with the surface of supporting box 9, can act on corresponding supporting shoe 3 and compress second spring 2, and the second spring has played the ascending shake of buffering horizontal plane side and has trembled the power, has reduced the ascending shake of motor horizontal direction and has trembled the power.

Be provided with fan 10 in the base 1, the air intake and the external intercommunication of fan 10, the inboard intercommunication of connecting piece 13 and supporting box 9 is passed through to the air outlet of fan 10, the surface of backup pad 6 is provided with a plurality of through-holes 7, and gaseous surface that acts on the motor through-hole 7 dispels the heat to the surface of motor, avoids the motor to damage the motor because of the high temperature. The inside of supporting box 9 is provided with diaphragm 8, the one end of connecting piece 13 runs through the bottom of supporting box 9, diaphragm 8 in proper order and is located the inboard of supporting box 9. The connecting piece 13 comprises a connecting pipe 14 and a conical cap 16, the conical cap 16 is connected with the connecting pipe 14 through a connecting column 15, impurities can be prevented from falling into the connecting pipe 14 through the arranged conical cap, and the cleanness of the connecting pipe 14 in the using process is guaranteed.

The upper surface of backup pad 6 is provided with motor support 5, motor support 5 is used for placing the low-voltage motor. The rubber column is arranged at one end, far away from the first spring 12, of the guide column 11 and is in contact with the bottom of the supporting box 9, the elastic performance of the device is improved, good buffering performance is achieved, a rubber layer is arranged on one surface, in contact with the supporting box 9, of the supporting block 3, the buffering performance is improved, and the using effect is good. The all sides of base 1 cover and have the sound cotton of inhaling, inhale the sound cotton noise that can absorb the motor during operation production, guaranteed quiet operational environment. The bottom of supporting box is provided with the fixed plate, the fixed plate is used for fixed supporting box.

The working principle is as follows: when the motor moves along the vertical direction, the second spring can be compressed at the same time, the second spring plays a good buffering role, and the buffering effect is good; when the motor produces the ascending vibrational force of horizontal direction, the second spring also can play good cushioning effect to the ascending vibrational force of horizontal direction, can reduce the damage that the vibrational force produced the motor effectively, has prolonged the life of motor.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art; any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The low-voltage motor protection device is characterized by comprising a base (1), wherein a cavity (4) is arranged in the middle of the base (1), a supporting box (9) is arranged in the cavity (4), a supporting plate (6) is arranged at an opening of the supporting box (9), the supporting plate (6) is used for placing a low-voltage motor, a plurality of grooves are formed in the bottom of the cavity (4) in the vertical direction, a first spring (12) and a guide pillar (11) are arranged in each groove, one end of the first spring (12) is connected with the bottoms of the grooves, the other end of the first spring (12) is connected with the guide pillar (11), the other end of the guide pillar (11) is in contact with the bottom of the supporting box (9), and the guide pillar (11) can move in the grooves along the axis direction.

2. The low-voltage motor protection device according to claim 1, wherein the cavity (4) is in a frustum pyramid structure, the support box (9) is matched with the cavity (4) in shape, and a gap is formed between the support box (9) and the cavity (4).

3. The low-voltage motor protection device according to claim 2, wherein a plurality of square grooves (17) are transversely arranged on the periphery of the base (1), a second spring (2) and a support block (3) are arranged in each square groove (17), one end of each second spring (2) is connected with the inner wall of each square groove (17), the other end of each second spring is connected with the support block (3), the support block (3) can move in each square groove (17), and the other end of each support block (3) is connected with the outer surface of the support box (9).

4. The low-voltage motor protection device is characterized in that a fan (10) is arranged in the base (1), an air inlet of the fan (10) is communicated with the outside, an air outlet of the fan (10) is communicated with the inner side of the support box (9) through a connecting piece (13), and a plurality of through holes (7) are formed in the surface of the support plate (6).

5. The low-voltage motor protection device is characterized in that a transverse plate (8) is arranged on the inner side of the support box (9), one end of the connecting piece (13) penetrates through the bottom of the support box (9) in sequence, and the transverse plate (8) is located on the inner side of the support box (9).

6. A protection device for a low-voltage motor according to claim 4, characterized in that said connection element (13) comprises a connection tube (14) and a conical cap (16), said conical cap (16) being connected to the connection tube (14) by means of a connection post (15).

7. The low-voltage motor protection device according to claim 1, characterized in that the upper surface of the support plate (6) is provided with a motor support (5), and the motor support (5) is used for placing a low-voltage motor.