CN216897889U

CN216897889U - Carbon dioxide low-temperature cascade refrigeration compressor

Info

Publication number: CN216897889U
Application number: CN202220491895.3U
Authority: CN
Inventors: 王宝明
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-03-09
Filing date: 2022-03-09
Publication date: 2022-07-05
Anticipated expiration: 2032-03-09

Abstract

The utility model relates to the technical field of refrigeration compressors, in particular to a carbon dioxide low-temperature cascade refrigeration compressor which comprises a compressor main machine, an air outlet pipe arranged on the compressor main machine and an air inlet pipe fixedly arranged on the compressor main machine, wherein an air filtering device is arranged on the air inlet pipe and comprises a vertical pipe which is vertically arranged, a micro motor is fixedly arranged in the vertical pipe, a fan is fixedly arranged at the tail end of an output shaft of the micro motor, a filter screen is also arranged in the vertical pipe, a reducing pipe is fixedly arranged between the top end of the vertical pipe and the air inlet pipe, a horizontal pipe is also fixedly arranged on the vertical pipe and is positioned above the horizontal pipe, the fan is positioned above the filter screen, an electromagnetic valve is arranged on the horizontal pipe, and a sealing cover is in threaded connection with a pipe body at the bottom end of the vertical pipe. The utility model can filter gas, so that impurities can not enter the machine body, and the use is convenient.

Description

Carbon dioxide low-temperature cascade refrigeration compressor

Technical Field

The utility model relates to the technical field of refrigeration compressors, in particular to a carbon dioxide low-temperature cascade refrigeration compressor.

Background

Carbon dioxide low temperature overlapping refrigeration compressor refers to and carries out the equipment of compression to gas again after getting up two compressors coincide, refrigeration compressor is refrigerating system's core, the type of carbon dioxide low temperature overlapping refrigeration compressor on the market is more, but most overlapping refrigeration compressor when using, the existence can not carry out filterable defect to the gas of inhaling, and impurity is inhaled and can appear the condition of impurity wearing and tearing blade in overlapping refrigeration compressor, influence refrigeration compressor's follow-up normal use, bring the inconvenience for the user.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a carbon dioxide low-temperature cascade refrigeration compressor to solve the defects in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a carbon dioxide low temperature overlapping refrigeration compressor, includes the compressor host computer, sets up outlet duct and the intake pipe of fixed mounting on the compressor host computer, be provided with air filter equipment in the intake pipe, air filter equipment is including the vertical pipe that is vertical form setting, vertical intraductal fixed mounting has micro motor, micro motor's the terminal fixed mounting of output shaft has the fan, the inside of vertical pipe still is provided with the filter screen, the top of vertical pipe with fixed mounting has the reducing pipe between the intake pipe, it has the horizontal pipe still to fix a position on the vertical pipe, the filter screen is located the top of horizontal pipe, the fan is located the top of filter screen, be provided with the solenoid valve on the horizontal pipe, threaded connection has sealed lid on the bottom body of vertical pipe.

Preferably, fixed mounting has a plurality of fixed lugs that are cyclic annular equidistant range on micro motor's the shell, fixed lug fixed mounting is in on the inner wall of vertical pipe, the convenience carries out the fixed mounting operation to micro motor, utilizes fixed lug to support simultaneously, also guarantees to leave the clearance that the air can circulate between micro motor and the inner wall of vertical pipe.

Preferably, fixed mounting has solid fixed ring on the inner wall of vertical pipe, fixed mounting has the support ring on the filter screen, the support ring through a plurality of fastening screw fixed mounting in gu on fixed ring's the bottom surface, conveniently carry out fixed mounting and dismantlement operation to the filter screen.

Preferably, a dust collecting device is further arranged on the bottom end pipe body of the vertical pipe and comprises a nylon cloth bag, and therefore the nylon cloth bag can be used for collecting discharged dust conveniently.

Preferably, the dust collecting device further comprises a threaded ring, the nylon cloth bag is fixedly mounted on the threaded ring, and the threaded ring is in threaded connection with the vertical pipe, so that the nylon cloth bag is conveniently and fixedly mounted on the vertical pipe.

Preferably, a traction rope is fixedly installed between the threaded ring and the vertical pipe, so that the threaded ring is convenient to limit, and the threaded ring is not easy to fall off from the vertical pipe.

Preferably, an annular groove is formed in the annular side face of the threaded ring, and the tail end of the pulling rope is annularly sleeved at the annular groove, so that the pulling rope cannot influence the normal rotation of the threaded ring.

Compared with the prior art, the utility model has the beneficial effects that:

1. the air filtering device ensures that the air introduced from the horizontal pipe can be filtered by the filter screen when in use, so that impurities cannot enter the compressor main machine, the air filtering device is convenient to use, and the problems that the sucked air cannot be filtered when most of the cascade refrigeration compressors are used, the impurities are sucked into the cascade refrigeration compressors, the blades are abraded by the impurities, the subsequent normal use of the refrigeration compressors is influenced, and the inconvenience is brought to users are solved.

2. According to the utility model, through the electromagnetic valve, the sealing cover, the micro motor and the fan, the electromagnetic valve is convenient to close, the sealing cover is opened at the same time, the micro motor works to drive the fan to rotate, air is blown out in a reverse direction towards the filter screen, impurities on the filter screen are blown out in a reverse direction, the impurities on the filter screen are cleaned, and the use is convenient.

Drawings

FIG. 1 is a schematic structural view of example 1 of the present invention;

FIG. 2 is an exploded view of an air filtration apparatus in example 1 of the present invention;

FIG. 3 is a sectional view of a vertical pipe in example 1 of the present invention;

FIG. 4 is a schematic structural view of example 2 of the present invention;

fig. 5 is a schematic structural view of a dust collection device in embodiment 2 of the present invention.

The meaning of the individual reference symbols in the figures is: 1. a compressor host; 10. an air outlet pipe; 11. an air inlet pipe; 2. an air filtration device; 20. a vertical tube; 21. a micro motor; 211. fixing the bump; 22. a fan; 23. a fixing ring; 24. a support ring; 241. a filter screen; 25. a horizontal tube; 251. an electromagnetic valve; 26. a reducer pipe; 27. a sealing cover; 3. a dust collection device; 30. a threaded ring; 301. an annular groove; 31. a pulling rope; 32. a nylon cloth bag.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Example 1

Referring to fig. 1 to fig. 3, the present embodiment provides a technical solution: a carbon dioxide low-temperature cascade refrigeration compressor comprises a compressor main body 1, an air outlet pipe 10 arranged on the compressor main body 1 and an air inlet pipe 11 fixedly arranged on the compressor main body 1, wherein an air filtering device 2 is arranged on the air inlet pipe 11, the air filtering device 2 comprises a vertical pipe 20 which is vertically arranged, a micro motor 21 is fixedly arranged in the vertical pipe 20, a fan 22 is fixedly arranged at the tail end of an output shaft of the micro motor 21, a filter screen 241 is also arranged in the vertical pipe 20, a reducer pipe 26 is fixedly arranged between the top end pipe body of the vertical pipe 20 and the air inlet pipe 11, a horizontal pipe 25 is also fixedly arranged on the vertical pipe 20, the filter screen 241 is positioned above the horizontal pipe 25, the fan 22 is positioned above the filter screen 241, an electromagnetic valve 251 is arranged on the horizontal pipe 25, a sealing cover 27 is connected to the bottom end pipe body of the vertical pipe 20 in a threaded manner, and is guaranteed to be used, can utilize filter screen 241 to realize carrying out filtering operation to inspiratory gas, make impurity can not inhaled in the compressor host computer 1, in addition when needs, close solenoid valve 251, open sealed lid 27, recycle micro motor 21 work, drive fan 22 and rotate, realize outwards blowing out the impurity on the filter screen 241 along the bottom mouth of pipe position of vertical pipe 20, realize clearing up the impurity on the filter screen 241, facilitate the use.

In this embodiment, a plurality of fixed lugs 211 that are the annular equidistant arrangement are fixedly installed on the shell of the micro motor 21, and the fixed lugs 211 are fixedly installed on the inner wall of the vertical pipe 20, so that the micro motor 21 is conveniently fixedly installed and operated, and the fixed lugs 211 are utilized to support, thereby ensuring that a gap through which air can flow is reserved between the micro motor 21 and the inner wall of the vertical pipe 20.

Specifically, a fixing ring 23 is fixedly mounted on the inner wall of the vertical pipe 20, a support ring 24 is integrally formed on the filter screen 241, and the support ring 24 is fixedly mounted on the bottom surface of the fixing ring 23 through a plurality of fastening screws, so that the filter screen 241 is conveniently fixedly mounted and dismounted.

It should be noted that the micro motor 21 in the present embodiment is a conventional technology, and is not described herein again.

This embodiment is in concrete use, open solenoid valve 251, screw up sealed lid 27, after getting into along horizontal pipe 25 along gas, can filter through filter screen 241 and then enter into compressor host computer 1 in, the realization is cleared up impurity, in addition when needs, close solenoid valve 251, open sealed lid 27, switch on external power supply and make its work with micro motor 21 again, micro motor 21 work, output shaft rotation on it drives fan 22 and rotates, fan 22 rotates and realizes outwards blowing off the impurity on the filter screen 241 along the bottom mouth of pipe position of vertical pipe 20, the realization is cleared up the impurity on the filter screen 241, and convenient use.

Example 2

Referring to fig. 4-5, the difference between the present embodiment and embodiment 1 is: still be provided with dust collection device 3 on the body of the bottom of vertical pipe 20, dust collection device 3 includes nylon sack 32, is convenient for utilize nylon sack 32 cover on the terminal body of vertical pipe 20, realizes collecting the exhaust dust.

Specifically, the dust collecting device 3 further comprises a threaded ring 30, the nylon cloth bag 32 is fixedly mounted on the threaded ring 30, the threaded ring 30 is in threaded connection with the vertical pipe 20, and the nylon cloth bag 32 is conveniently and fixedly mounted on the vertical pipe 20.

Further, a traction rope 31 is fixedly installed between the threaded ring 30 and the vertical pipe 20, so that the threaded ring 30 is convenient to limit, and the threaded ring 30 is not easy to fall off from the vertical pipe 20.

In addition, the annular side surface of the threaded ring 30 is provided with an annular groove 301, and the tail end of the pulling rope 31 is annularly sleeved at the position of the annular groove 301, so that the pulling rope 31 does not influence the normal rotation of the threaded ring 30.

In the specific use process of this embodiment, open sealed lid 27, screw in threaded ring 30 on the vertical pipe 20 next, at this moment, discharged impurity can be blockked in the inside of nylon sack 32, realizes carrying out the cleaning operation to discharged impurity.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a carbon dioxide low temperature cascade refrigeration compressor, includes compressor host computer (1), sets up outlet duct (10) and intake pipe (11) of fixed mounting on compressor host computer (1), its characterized in that: the air inlet pipe (11) is provided with an air filtering device (2), the air filtering device (2) comprises a vertical pipe (20) which is vertically arranged, a micro motor (21) is fixedly arranged in the vertical pipe (20), a fan (22) is fixedly arranged at the tail end of an output shaft of the micro motor (21), a filter screen (241) is also arranged in the vertical pipe (20), a reducer pipe (26) is fixedly arranged between the top end of the vertical pipe (20) and the air inlet pipe (11), a horizontal pipe (25) is also fixedly arranged on the vertical pipe (20), the filter screen (241) is positioned above the horizontal pipe (25), the fan (22) is positioned above the filter screen (241), the horizontal pipe (25) is provided with an electromagnetic valve (251), and a sealing cover (27) is in threaded connection with the bottom end pipe body of the vertical pipe (20).

2. The carbon dioxide cryogenic cascade refrigeration compressor of claim 1, wherein: a plurality of fixing lugs (211) which are annularly arranged at equal intervals are fixedly installed on the shell of the micro motor (21), and the fixing lugs (211) are fixedly installed on the inner wall of the vertical pipe (20).

3. The carbon dioxide cryogenic cascade refrigeration compressor of claim 1, wherein: fixed mounting has solid fixed ring (23) on the inner wall of vertical pipe (20), fixed mounting has support ring (24) on filter screen (241), support ring (24) through a plurality of fastening screw fixed mounting in on the bottom surface of solid fixed ring (23).

4. The carbon dioxide cryogenic cascade refrigeration compressor of claim 1, wherein: a dust collecting device (3) is further arranged on the bottom end pipe body of the vertical pipe (20), and the dust collecting device (3) comprises a nylon cloth bag (32).

5. The carbon dioxide cryogenic cascade refrigeration compressor of claim 4, wherein: the dust collecting device (3) further comprises a threaded ring (30), the nylon cloth bag (32) is fixedly installed on the threaded ring (30), and the threaded ring (30) is in threaded connection with the vertical pipe (20).

6. The carbon dioxide cryogenic cascade refrigeration compressor of claim 5, wherein: a traction rope (31) is fixedly arranged between the threaded ring (30) and the vertical pipe (20).

7. The carbon dioxide cryogenic cascade refrigeration compressor of claim 6, wherein: an annular groove (301) is formed in the annular side face of the threaded ring (30), and the tail end of the pulling rope (31) is annularly sleeved at the position of the annular groove (301).