CN212690256U

CN212690256U - DC brushless compressor

Info

Publication number: CN212690256U
Application number: CN202021230904.0U
Authority: CN
Inventors: 刘翠萍
Original assignee: Huizhou Enpin Quantum Technology Co ltd
Current assignee: Huizhou Enpin Quantum Technology Co ltd
Priority date: 2020-06-29
Filing date: 2020-06-29
Publication date: 2021-03-12
Anticipated expiration: 2030-06-29

Abstract

The utility model provides a DC brushless compressor, which comprises a frame, the frame comprises a compression chamber and a power chamber, the space between the compression chamber and the power chamber is divided into two spaces by a division plate, the division plate is provided with a rotating hole for communicating the compression chamber and the power chamber, the rotating hole is internally provided with a rotating shaft fixed by a bearing, two sides of the rotating shaft respectively extend to the compression chamber and the power chamber, the rotating hole at one side of the power chamber is externally provided with an extending fixing ring, the outer side of the fixing ring is provided with a fixed stator chip, the rotating shaft in the power chamber is provided with a fixed rotor, the rotor comprises an outer cover coated at the outer side of the stator chip, the inner side of the outer cover is provided with a magnet, a gap is arranged between the magnet and the outer side of the stator chip, the rotating shaft in the compression chamber is provided with a piston rod by a balance block, and one side of the top cover is provided with an air outlet, so that the whole structure is simple, and the working efficiency is high in the using process.

Description

DC brushless compressor

Technical Field

The utility model relates to a compressor specifically relates to a direct current brushless compressor.

Background

The air compressor is a device used for compressing gas, in the prior art, the mechanism of the compressor is complex, the volume is large, the compressor can be normally used in a general use environment, but in some specific cases, the compressor is inconvenient to use.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a to the problem among the prior art, provide a DC brushless compressor now, simplify the structure of compressor, reduce whole volume.

The utility model provides a DC brushless compressor, which comprises a frame, the frame comprises a compression chamber and a power chamber, the space between the compression chamber and the power chamber is divided into two spaces by a division plate, the division plate is provided with a rotating hole for communicating the compression chamber and the power chamber, the rotating hole is internally provided with a rotating shaft fixed by a bearing, two sides of the rotating shaft respectively extend to the compression chamber and the power chamber, the rotating hole at one side of the power chamber is externally provided with an extending fixing ring, the outer side of the fixing ring is provided with a fixed stator chip, the rotating shaft in the power chamber is provided with a fixed rotor, the rotor comprises an outer cover covering the outer side of the stator chip, the inner side of the outer cover is provided with a magnet, a gap is arranged between the magnet and the outer side of the stator chip, the rotating shaft in the compression chamber is provided with a piston rod by, the compression part penetrates through a compression hole communicated with the outside through the compression chamber, a top cover is arranged on the outer side of the compression hole, and an air outlet is formed in one side of the top cover.

Preferably, the side wall of the compression chamber is provided with an air inlet hole communicated with the outside.

Preferably, a top cover sealing rib is arranged in front of the top cover and the base.

Preferably, the compression part and the top cover sealing rib are provided with circulation holes for air flowing, and the two communication holes are staggered with each other.

Preferably, the piston rod is eccentrically disposed with respect to the rotational axis.

Preferably, the stator chip comprises a plurality of radial silicon steel sheets, and copper wires wound on the outer sides of the silicon steel sheets.

Preferably, the magnet is a rare earth permanent magnet.

Preferably, the number of the compression chambers is two, the two compression chambers are respectively located on two sides of the power chamber, the rotating shaft is respectively fixed to the two compression chambers through bearings, a communicating joint is arranged between top covers of the two compression chambers, and the communicating hole is connected with an air outlet hole of one of the compression chambers.

The utility model has the advantages that: the single-cylinder or double-cylinder combined type oil pumping unit has the advantages that the whole structure is simple, the working efficiency is high in the using process, the single-cylinder or double-cylinder structure can be flexibly combined in the using process, only parts need to be added, and the selection of a user is facilitated.

Drawings

Fig. 1 is a schematic view of the overall structure of the dc brushless compressor of the present invention;

fig. 2 is a schematic diagram of an explosion diagram of the dc brushless compressor according to the present invention;

fig. 3 is an exploded view of the brushless motor of the dc brushless compressor according to the present invention;

fig. 4 is a schematic structural view of a sectional view of the dc brushless compressor according to the present invention;

wherein: 1. the compressor comprises a base, 2, a balance block, 3, a piston rod, 31, a compression part, 4, a rotor, 5, a top cover sealing rib, 6, a top cover, 61, an air outlet hole, 62, a communication joint, 7, a communication hole, 8, a compression hole, 9, a rotating shaft, 10, a stator chip, 11, an air inlet hole, 12, a compression chamber, 13 and a power chamber.

Detailed Description

The preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

As shown in fig. 1 to 4, the dc brushless compressor comprises a base 1, the base 1 includes a compression chamber 12 and a power chamber 13, the compression chamber 12 and the power chamber 13 are divided into two spaces by a partition plate, the partition plate is provided with a rotation hole communicating the compression chamber 12 and the power chamber 13, the rotation hole is internally provided with a rotation shaft 9 fixed by a bearing, two sides of the rotation shaft 9 respectively extend to the compression chamber 12 and the power chamber 13, an extended fixing ring is arranged outside the rotation hole on one side of the power chamber 13, the fixing ring is provided with a fixed stator chip 10 outside, the rotation shaft 9 in the power chamber 13 is provided with a fixed rotor 4, the rotor 4 includes an outer cover covering the stator chip 10 outside, the inner side of the outer cover is provided with a magnet, a gap is arranged between the magnet and the stator chip 10 outside, the rotation shaft 9 in the compression chamber 12 is provided with a piston rod 3 by a balance block 2 and a bearing, the top of the piston rod 3 is provided with a compression part 31, the compression part 31 penetrates through a compression hole 8 communicated with the outside through a compression chamber 12, a top cover 6 is arranged on the outer side of the compression hole 8, and an air outlet 61 is formed in one side of the top cover 6.

Specifically, the compression chamber 12 and the power chamber 13 are separated by a partition plate to form two independent spaces, a rotating hole communicated between the compression chamber 12 and the power chamber 13 is provided with a rotating shaft 9 through a bearing, when the single cylinder (only one compression chamber 12) is used, the rotating shaft 9 and the other side wall of the power chamber 13 are also fixed through the bearing to increase stability, a fixed rotor 4 is arranged outside the rotating shaft 9 in the power chamber 13, at the moment, the rotor 4 comprises a housing, the housing and the rotating shaft 9 are fixed through a fixed connecting part, the inner side surface of the housing is provided with a magnetic part, at the moment, a stator chip 10 is arranged inside the housing, the stator chip 10 comprises a silicon steel sheet and a copper wire wound on the silicon steel sheet, the silicon steel sheet is fixed through a fixing part extending from the partition plate, after the stator chip 10 is powered on, a brushless motor structure is formed between the stator chip 10 and the rotor 4, like this, the axis of rotation 9 can form and rotate, simultaneously, the balancing piece 2 that fixes on the axis of rotation 9 rotates together with the axis of rotation 9, in the pivoted in-process of balancing piece 2, the piston rod 3 that fixes through the bearing outside balancing piece 2 is in the eccentric position because of the hookup location, and, the upside compression part 31 cover of piston rod 3 is in the compression hole of the exit position of compression chamber 12 upside, in the pivoted in-process of balancing piece 2, the compression part 31 of piston rod 3 can reciprocate in the compression hole, be equipped with the intercommunicating pore 7 on the compression part 31 of piston rod 3 at this moment, in the removal process of compression part 31, the air in the compression chamber 12 passes through intercommunicating pore 7 to the upside of compression part 31, and then get into top cap 6 inner space, the air that passes through the compression in top cap 6 is discharged from the venthole 61 of top cap.

In order to form a compression channel of air, at this time, the side wall of the compression chamber 12 is provided with an air inlet hole 11 communicated with the outside, air enters the compression chamber 12 through the air inlet hole 11 on the side wall of the compression chamber 12, and the air is compressed in the movement process of the piston rod 3, so that high-pressure air is formed.

Certainly, in this process, for better realization is sealed to and realize the compression of air, be equipped with 5 of top cap sealing muscle before top cap 6 and frame 1, at this moment, can increase the sealed effect between top cap 6 and the frame 1 through setting up 5 of top cap sealing muscle, avoid the in-process gas leakage phenomenon that takes place using.

Wherein, owing to set up 5 sealed muscle of top cap, for better increase compression effect, this moment, all be equipped with the circulation hole that is used for the air to flow in

compression portion

31 and 5 sealed muscle of top cap, and two intercommunicating pores 7 stagger each other, and in the motion process of piston rod 3, intercommunicating pore 7 that staggers each other, in the motion process of piston rod 3, compressed air that can be further, and then improve the overall efficiency of compressor.

The piston rod 3 is eccentrically arranged relative to the rotating shaft 9, and the piston rod 3 can swing under the combined action of the compression hole and the compression part 31 in the rotating process of the rotating shaft 9.

In this structure, for the brushless motor structure, the stator chip 10 includes a plurality of radial silicon steel sheets, and the outer side of the silicon steel sheets is provided with a winding copper wire. Further, the magnet is a rare earth permanent magnet, and a brushless motor is formed by the stator chip 10 and the rotor 4.

Meanwhile, in order to improve the working efficiency of the compressor, the two compression chambers 12 are respectively located at two sides of the power chamber 13, the rotating shaft 9 is respectively fixed in the two compression chambers 12 through a bearing, a communicating joint 62 is arranged between the top covers 6 of the two compression chambers 12, the communicating hole 7 is connected with the air outlet 61 of one of the compression chambers 12, and at the moment, the two piston rods 3 are driven to move through a brushless motor structure, so that the overall compression efficiency is improved.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The direct-current brushless compressor is characterized by comprising a base, wherein the base comprises a compression chamber and a power chamber, the compression chamber and the power chamber are divided into two spaces by a partition plate, a rotating hole for communicating the compression chamber with the power chamber is formed in the partition plate, a rotating shaft fixed by a bearing is arranged in the rotating hole, two sides of the rotating shaft respectively extend to the compression chamber and the power chamber, an extending fixing ring is arranged outside the rotating hole on one side of the power chamber, a fixed stator chip is arranged outside the fixing ring, a fixed rotor is arranged on the rotating shaft in the power chamber, the rotor comprises an outer cover covering the outside of the stator chip, a magnet is arranged on the inner side of the outer cover, a gap is formed between the magnet and the outside of the stator chip, a piston rod is arranged on the rotating shaft in the compression chamber through a balance block and the bearing, and a, the compression part penetrates through a compression hole communicated with the outside through the compression chamber, a top cover is arranged on the outer side of the compression hole, and an air outlet is formed in one side of the top cover.

2. The dc brushless compressor of claim 1, wherein: and the side wall of the compression chamber is provided with an air inlet communicated with the outside.

3. The dc brushless compressor of claim 2, wherein: a top cover sealing rib is arranged in front of the top cover and the base.

4. The dc brushless compressor of claim 3, wherein: the compression part and the top cover sealing rib are provided with circulation holes for air flowing, and the two communication holes are staggered with each other.

5. The dc brushless compressor of claim 4, wherein: the piston rod is eccentrically arranged relative to the rotating shaft.

6. The dc brushless compressor of claim 5, wherein: the stator chip comprises a plurality of radial silicon steel sheets, and winding copper wires are arranged on the outer sides of the silicon steel sheets.

7. The dc brushless compressor of claim 6, wherein: the magnet is a rare earth permanent magnet.

8. The dc brushless compressor of claim 7, wherein: the two compression chambers are respectively positioned at two sides of the power chamber, the rotating shaft is respectively fixed in the two compression chambers through bearings, a communicating joint is arranged between the top covers of the two compression chambers, and the communicating hole is connected with the air outlet hole of one of the compression chambers.