CN210715117U

CN210715117U - Low-position exhaust connecting pipe structure and rotor compressor

Info

Publication number: CN210715117U
Application number: CN201921103777.5U
Authority: CN
Inventors: 戴竟雄; 李华军; 王永昌
Original assignee: Huangshi Dongbei Electrical Appliance Co Ltd
Current assignee: Huangshi Donper Compressor Co Ltd
Priority date: 2019-07-15
Filing date: 2019-07-15
Publication date: 2020-06-09
Anticipated expiration: 2029-07-15

Abstract

The application provides a low-order carminative connecting pipe structure and rotor compressor belongs to the compressor field. The exhaust cover is provided with a through hole and a connecting hole, the through hole penetrates through two ends of the exhaust cover, and the connecting hole is formed in the side wall of the exhaust cover; the bending pipe comprises a first vertical section, a first bending section, an inclined section, a second bending section and a second vertical section which are sequentially communicated; one end of the first vertical section is communicated with the connecting hole of the exhaust cover, the other end of the first vertical section is communicated with one end of the inclined section in an angle mode through the first bending section, and the other end of the inclined section is communicated with the second vertical section in an angle mode through the second bending section; and one end of the inner exhaust coil is connected into the interior of the second vertical section. The device structural layout is reasonable, is convenient for introduce interior exhaust coil with rotor compressor's cylinder combustion gas to make the high temperature high-pressure gas that the cylinder compression produced directly pass through blast pipe discharge compressor, can reduce the inside temperature of casing effectively.

Description

Low-position exhaust connecting pipe structure and rotor compressor

Technical Field

The application relates to the field of compressors, in particular to a low-position exhaust connecting pipe structure and a rotor compressor.

Background

The air suction pipe of the existing rotor compressor is directly communicated with the cylinder hole in the cylinder, so that after a refrigerant is compressed by the cylinder, high-temperature and high-pressure gas directly enters the shell of the compressor through the exhaust silencer.

So, high-temperature and high-pressure gas in the rotor compressor directly enters the compressor shell, the internal temperature of the compressor is higher, the working condition is worse, and the problems of machine burning of the motor, deterioration of refrigerating machine oil, reduction of refrigerating capacity and the like are easily caused under the condition.

SUMMERY OF THE UTILITY MODEL

An object of the present invention is to provide a low-level exhaust connection pipe structure and a rotary compressor, which aims to solve the problem of the prior art that the quality of the compressor is reduced because high-temperature and high-pressure gas in the compressor directly enters into the casing.

The technical scheme of the application is as follows:

a low-level exhaust connecting pipe structure, comprising:

the exhaust cover is provided with a through hole and a connecting hole, the through hole penetrates through two ends of the exhaust cover, and the connecting hole is formed in the side wall of the exhaust cover;

the bending pipe comprises a first vertical section, a first bending section, an inclined section, a second bending section and a second vertical section which are sequentially communicated; one end of the first vertical section is communicated with the connecting hole of the exhaust cover, the other end of the first vertical section is communicated with one end of the inclined section in an angle mode through the first bending section, and the other end of the inclined section is communicated with the second vertical section in an angle mode through the second bending section;

an inner exhaust coil, one end of the inner exhaust coil connected to the inside of the second vertical section.

According to one technical scheme of the application, the exhaust cover is provided with a first connecting end and a second connecting end which are opposite, the through hole penetrates through the second connecting end from the first connecting end of the exhaust cover, and the second connecting end is communicated with a screw hole.

As a technical scheme of this application, through brazed connection between the one end of interior exhaust coil pipe and the inner wall of second vertical section.

As a technical scheme of this application, the material of bending the pipe includes copper.

As a technical scheme of this application, the whole cylindric structure that is shown of exhaust lid.

As a technical solution of the present application, the first vertical section is parallel to the second vertical section.

As a technical solution of the present application, the first bending section and the second bending section are arranged in opposite bending directions.

As a technical scheme of the application, the axis of the first bending section is perpendicular to the axis of the exhaust cover.

As a technical scheme of this application, the diameter of exhaust lid is greater than the diameter of the pipe of bending.

A rotor compressor comprises a shell, a top cover, a bottom cover, a cylinder cover, an exhaust pipe and the connecting pipe structure for low-level exhaust, wherein the top cover is installed at the top of the shell, the bottom cover is installed at the bottom of the shell, the cylinder cover is installed in an inner cavity of the shell, and the cylinder is installed in the cylinder cover; the exhaust cover is communicated with an air outlet of the cylinder cover, the other end of the inner exhaust coil is communicated with the exhaust pipe, and the free end of the exhaust pipe extends out of the shell and is used for exhausting the gas in the cylinder.

The beneficial effect of this application:

in the low-position exhaust connecting pipe structure and the rotor compressor, the exhaust cover is connected with the exhaust hole of the cylinder cover through the screw, the connecting hole of the exhaust cover is communicated with the bent pipe, the top of the bent pipe is communicated with the lower shell of the inner exhaust coil pipe, and meanwhile, the lower shell of the inner exhaust coil pipe extends into one part of the inner part of the bent pipe, so that the inner exhaust coil pipe and the bent pipe can be conveniently installed and brazed; therefore, gas exhausted by a cylinder of the rotor compressor is introduced into the inner exhaust coil, the inner exhaust coil is communicated with the exhaust pipe, after the refrigerant is compressed by the cylinder, high-temperature and high-pressure gas directly enters the exhaust pipe after passing through the cylinder cover and is not communicated with the interior of the compressor shell, so that the high-temperature and high-pressure gas generated by the compression of the cylinder directly passes through the exhaust pipe to be exhausted out of the compressor, and the temperature in the interior of the shell is reduced. In addition, the inner exhaust pipe is simple to install and convenient to assemble. Therefore, the connecting mode can effectively reduce the temperature inside the compressor and improve the working condition inside the compressor, thereby protecting the motor, improving the use quality and prolonging the service life of the motor, preventing the refrigerator oil from deteriorating, improving the refrigerating capacity of the compressor, effectively improving the use performance of the compressor and prolonging the service life of the compressor.

Drawings

In order to more clearly explain the technical solutions of the embodiments of the present application, 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 application and therefore should not be considered as limiting the scope, and that for those skilled in the art, other related drawings can be obtained from these drawings without inventive effort.

FIG. 1 is a schematic view of a rotor compressor according to an embodiment of the present application;

FIG. 2 is a schematic view of a low-level exhaust connection pipe according to an embodiment of the present disclosure;

FIG. 3 is a schematic view of an assembly structure of an exhaust cover and a bending pipe according to an embodiment of the present application;

FIG. 4 is a schematic view of a vent cover according to an embodiment of the present disclosure;

fig. 5 is a schematic view of a bending tube structure provided in an embodiment of the present application.

Icon: 1-a rotor compressor; 2-a housing; 3-bottom cover; 4-a top cover; 5-air cylinder; 6-cylinder head; 7-a low-level exhaust connecting pipe structure; 8-an exhaust pipe; 9-an exhaust cover; 10-through holes; 11-a connection hole; 12-a first vertical section; 13-a first bend section; 14-an inclined section; 15-a second bend section; 16-a second vertical section; 17-internal exhaust coil; 18-a first connection end; 19-a second connection end; and (20) bending the pipe.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. 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 application.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present application, it should be noted that the terms "upper" and "lower" are used for indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings or the orientation or positional relationship which is usually placed when the utility model is used, and are only for convenience of describing the present application and simplifying the description, but do not indicate or imply that the device or element to be referred must have a specific orientation, be constructed in a specific orientation and operation, and thus, should not be construed as limiting the present application.

Further, in the present application, unless expressly stated or limited otherwise, the first feature may be directly contacting the second feature or may be directly contacting the second feature, or the first and second features may be contacted with each other through another feature therebetween, not directly contacting the second feature. Also, the first feature being above, on or above the second feature includes the first feature being directly above and obliquely above the second feature, or merely means that the first feature is at a higher level than the second feature. A first feature that underlies, and underlies a second feature includes a first feature that is directly under and obliquely under a second feature, or simply means that the first feature is at a lesser level than the second feature.

Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present application, it is also to be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

Example (b):

referring to fig. 1 and fig. 2 to 5, the present application provides a rotor compressor 1, which mainly includes a casing 2, a top cover 4, a bottom cover 3, a cylinder 5, a cylinder cover 6, an exhaust pipe 8, and a low-position exhaust connecting pipe structure 7; wherein, the top of the casing 2 is provided with a top cover 4, the top cover 4 is detachably connected with the casing 2 and is used for opening or closing the casing 2 of the rotor compressor; meanwhile, the bottom cover 3 is arranged at the bottom of the shell 2; a cylinder head 6 is arranged in the inner cavity of the shell 2, and a cylinder 5 is arranged in the cylinder head 6; one end of the low-level exhaust connecting pipe structure 7 is communicated with an air outlet hole of the cylinder cover 6, the other end of the low-level exhaust connecting pipe structure is communicated with an exhaust pipe 8, and the free end of the exhaust pipe 8 extends out of the shell 2 and is used for exhausting gas in the cylinder 5.

Referring to fig. 2, with reference to fig. 3 to 5, the low-position exhaust connecting pipe structure 7 mainly includes an exhaust cover 9, a bent pipe 20, and an inner exhaust coil 17; the exhaust cover 9 is provided with a first connecting end 18 and a second connecting end 19 which are opposite, the exhaust cover 9 is provided with a through hole 10 and a connecting hole 11, the through hole 10 penetrates through the second connecting end 19 from the first connecting end 18 of the exhaust cover 9, the second connecting end 19 is communicated with a screw hole, and the connecting hole 11 is formed in the side wall of the exhaust cover 9; the bending pipe 20 comprises a first vertical section 12, a first bending section 13, an inclined section 14, a second bending section 15 and a second vertical section 16 which are sequentially communicated; one end of the first vertical section 12 is communicated with the connecting hole 11 of the exhaust cover 9, the other end is communicated with one end of the inclined section 14 in an angle mode through the first bending section 13, and the other end of the inclined section 14 is communicated with the second vertical section 16 in an angle mode through the second bending section 15; one end of the inner exhaust coil 17 is connected to the inside of the second vertical section 16, and the other end is connected to the exhaust pipe 8.

Therefore, gas exhausted from the air cylinder 5 of the rotor compressor 1 is introduced into the inner exhaust coil 17, the inner exhaust coil 17 is communicated with the exhaust pipe 8, after the refrigerant is compressed by the air cylinder 5, high-temperature and high-pressure gas directly enters the exhaust pipe 8 after passing through the air cylinder cover 6 and is not communicated with the interior of the compressor shell 2, so that the high-temperature and high-pressure gas generated by compression of the air cylinder 5 is directly exhausted out of the compressor through the exhaust pipe 8, and the temperature in the shell is reduced.

It should be noted that in the present embodiment, one end of the inner exhaust coil 17 is connected to the inner wall of the second vertical section 16 by brazing, and the brazing process is the same as that in the prior art.

In this embodiment, the material of the bending tube 20 includes copper; in other embodiments, the bending tube 20 may also be made of other materials with better heat conductivity, and is not limited to the material in this embodiment.

In the present embodiment, the exhaust cover 9 has a cylindrical structure as a whole.

It should be noted that, in the present embodiment, the first vertical section 12 is parallel to the second vertical section 16.

In this embodiment, the first bending section 13 and the second bending section 15 are arranged opposite to each other in the bending direction.

Note that, in the present embodiment, the axis of the first bending section 13 is arranged perpendicular to the axis of the exhaust cover 9.

In this embodiment, the diameter of the exhaust cover 9 is larger than the diameter of the bending pipe 20.

To sum up, in the low-position exhaust connecting pipe structure 7 and the rotor compressor 1 of the present application, the exhaust cover 9 is connected to the exhaust hole of the cylinder cover 6 through a screw, the connecting hole 11 of the exhaust cover 9 is communicated with the bent pipe 20, the top of the bent pipe 20 is communicated with the lower shell of the inner exhaust coil pipe 17, and the lower shell of the inner exhaust coil pipe 17 extends into a part of the inside of the bent pipe 20, so that the inner exhaust coil pipe 17 and the bent pipe 20 can be conveniently installed and brazed; therefore, gas exhausted from the air cylinder 5 of the rotor compressor 1 is introduced into the inner exhaust coil 17, the inner exhaust coil 17 is communicated with the exhaust pipe 8, after the refrigerant is compressed by the air cylinder 5, high-temperature and high-pressure gas directly enters the exhaust pipe 8 after passing through the air cylinder cover 6 and is not communicated with the interior of the compressor shell 2, so that the high-temperature and high-pressure gas generated by compression of the air cylinder 5 is directly exhausted out of the compressor through the exhaust pipe 8, and the temperature in the shell is reduced. In addition, the inner exhaust pipe is simple to install and convenient to assemble. Therefore, the connecting mode can effectively reduce the temperature inside the compressor and improve the working condition inside the compressor, thereby protecting the motor, improving the use quality and prolonging the service life of the motor, preventing the refrigerator oil from deteriorating, improving the refrigerating capacity of the compressor, effectively improving the use performance of the compressor and prolonging the service life of the compressor.

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

Claims

1. A low-level exhaust connecting pipe structure is characterized by comprising:

2. The connecting pipe structure of low-level exhaust, according to claim 1, characterized in that the exhaust cover has a first connecting end and a second connecting end which are opposite to each other, the through hole is penetrated from the first connecting end to the second connecting end of the exhaust cover, and a screw hole is communicated with the second connecting end.

3. The low-level exhaust connecting pipe structure according to claim 1, wherein one end of the inner exhaust coil is connected to the inner wall of the second vertical section by brazing.

4. The structure of a low-level exhaust connecting pipe according to claim 1, wherein the material of the bent pipe comprises copper.

5. The low level exhaust connecting pipe structure according to claim 1, wherein the exhaust cover has a cylindrical structure as a whole.

6. The low level exhaust connection pipe structure according to claim 1, wherein the first vertical section is parallel to the second vertical section.

7. The low level exhaust connecting pipe structure according to claim 1, wherein the first curved section and the second curved section are bent in opposite directions.

8. The low level exhaust connecting pipe structure according to claim 1, wherein an axis of the first bent section is disposed perpendicular to an axis of the exhaust cover.

9. The low level exhaust connecting pipe structure according to claim 8, wherein the diameter of the exhaust cover is larger than that of the bent pipe.

10. A rotary compressor comprising a casing, a top cover, a bottom cover, a cylinder cover, an exhaust pipe, and the connecting pipe structure for low-level exhaust of any one of claims 1 to 9, wherein the top cover is installed on the top of the casing, the bottom cover is installed on the bottom of the casing, the cylinder cover is installed in an inner cavity of the casing, and the cylinder is installed in the cylinder cover; the exhaust cover is communicated with an air outlet of the cylinder cover, the other end of the inner exhaust coil is communicated with the exhaust pipe, and the free end of the exhaust pipe extends out of the shell and is used for exhausting the gas in the cylinder.