CN115573881B

CN115573881B - Flow path components and reciprocating compressors

Info

Publication number: CN115573881B
Application number: CN202211370973.5A
Authority: CN
Inventors: 和浩浩; 曹锋; 邹建煌; 陈付齐; 刘扬
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2022-11-03
Filing date: 2022-11-03
Publication date: 2025-11-18
Anticipated expiration: 2042-11-03
Also published as: CN115573881A

Abstract

This application provides a flow path assembly and a reciprocating compressor. The flow path assembly includes a bracket for supporting a cylinder; the bracket includes a hollow tube; the hollow tube has a separated intake channel and exhaust channel, the intake channel communicating with the intake port of the cylinder, and the exhaust channel communicating with the exhaust port of the cylinder. This application integrates the flow path and the compressor bracket into one unit, which allows the intake and exhaust channels to be integrally formed, reducing manufacturing and installation costs, preventing loosening of traditional pipe connections, and increasing reliability.

Description

Flow path assembly and reciprocating compressor

Technical Field

The application belongs to the technical field of reciprocating compressors, and particularly relates to a flow path assembly and a reciprocating compressor.

Background

At present, a pipeline flow path of the four-cylinder reciprocating compressor adopts an external flow path, the flow path is arranged outside a cylinder and is usually connected by a hose, the cylinder is fixedly supported by a bracket, and the bracket adopts a solid structure. The loosening of the pipe connection and the quality problems occur during the operation of the compressor, which reduces the reliability and thus the service life of the compressor, which leads to an increase in the installation process and costs.

Disclosure of Invention

Therefore, the application provides a flow path assembly and a reciprocating compressor, which can solve the problem that the pipeline connection is loose when the reciprocating compressor runs in the prior art.

In order to solve the above-described problems, the present application provides a flow path assembly including:

the bracket is used for supporting the air cylinder and comprises a hollow pipe;

the hollow tube is internally provided with a separated air inlet channel and an air outlet channel, the air inlet channel is communicated with an air inlet of the cylinder, and the air outlet channel is communicated with an air outlet of the cylinder.

Optionally, an axially extending partition plate is arranged in the hollow tube, and two sides of the partition plate and the inner wall of the hollow tube enclose the air inlet channel and the air outlet channel.

Optionally, the hollow tube is bent into a ring shape, a plurality of branch pipes extending in radial direction are arranged on the hollow tube, the branch pipes are uniformly distributed in the circumferential direction of the hollow tube, and the branch pipes are communicated with the hollow tube and the air cylinder.

Optionally, an air inlet branch and an air outlet branch are arranged in the branch pipe, the air inlet branch is communicated with the air inlet channel and the air inlet, and the air outlet branch is communicated with the air outlet channel and the air outlet.

Optionally, at least two through holes respectively connected with the air inlet channel and the air outlet channel are arranged on the side wall of the hollow tube.

According to another aspect of the present application there is provided a reciprocating compressor comprising a flow path assembly as described above.

Optionally, the hollow tube is provided with a ring shape, and the reciprocating compressor further comprises a plurality of cylinder assemblies which are uniformly distributed along the circumference of the hollow tube and are arranged in the hollow tube.

Optionally, the plurality of cylinder assemblies share one motor, and an output shaft of the motor is set to be an eccentric shaft and is connected with pistons of the plurality of cylinder assemblies.

Optionally, the hollow tube is fixedly connected with the motor.

Optionally, the hollow tube is fixedly connected with the motor housing via a connecting piece.

The application provides a flow path assembly, which comprises a bracket, wherein the bracket is used for supporting a cylinder, the bracket comprises a hollow pipe, a separated air inlet channel and an air outlet channel are arranged in the hollow pipe, the air inlet channel is communicated with an air inlet of the cylinder, and the air outlet channel is communicated with an air outlet of the cylinder.

The application combines the flow path and the bracket of the compressor into a whole, thus realizing the integral molding of the air inlet channel and the air outlet channel, reducing the process and the installation cost, avoiding the loose connection of the traditional pipeline and increasing the reliability.

Drawings

Fig. 1 is a schematic view of a four-cylinder reciprocating compressor according to an embodiment of the present application;

FIG. 2 is a perspective block diagram of a flow path assembly according to an embodiment of the present application;

fig. 3 is a schematic flow diagram of a fluid according to an embodiment of the application.

The reference numerals are expressed as:

1. Hollow pipe, 11, air inlet channel, 12, air outlet channel, 13, partition board, 2, cylinder component, 3, motor, 4, eccentric shaft, 5, branch pipe, 51, air inlet branch pipe, 52, air outlet branch pipe, 6 and air pipe.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be clearly and completely described below with reference to specific embodiments of the present application and corresponding drawings. It will be apparent that the described embodiments are only some, but not all, embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

It should be noted that the terms "first," "second," and the like in the description and the claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the application described herein may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Referring now to fig. 1-3 in combination, a flow path assembly according to an embodiment of the present application includes:

the bracket is used for supporting the air cylinder and comprises a hollow pipe 1;

The hollow tube 1 is internally provided with a separated air inlet channel 11 and an air outlet channel 12, the air inlet channel 11 is communicated with an air inlet of the cylinder, and the air outlet channel 12 is communicated with an air outlet of the cylinder.

The application combines the flow path and the bracket of the compressor into a whole, thus realizing the integral molding of the air inlet channel 11 and the air outlet channel 12, reducing the process and the installation cost, avoiding the loose connection of the traditional pipeline and increasing the reliability.

The traditional support is made of solid equipment, is changed into a hollow pipe 1 structure, and the hollow pipe 1 is internally provided with a separated air inlet channel 11 and an air outlet channel 12, or two hollow pipes 1 respectively serving as the air inlet channel 11 and the air outlet channel 12 are arranged in parallel and integrated, and two hollow pipes 1 respectively serving as the air inlet channel 11 and the air outlet channel 12 can be penetrated in the hollow pipe 1, so that the support can play a role in supporting an air cylinder and can also serve as a flow path, the process and the installation cost are reduced, and the problem of loose connection of a traditional hose can be avoided when the support is used.

In some embodiments, an axially extending partition 13 is disposed in the hollow tube 1, and two sides of the partition 13 and an inner wall of the hollow tube 1 enclose the air inlet channel 11 and the air outlet channel 12.

Along the axial direction of the hollow tube 1, a partition plate 13 is arranged in the hollow tube 1, an air inlet channel 11 and an air outlet channel 12 are respectively arranged on two sides of the partition plate 13, the flow area of the air inlet channel 11 and the flow area of the air outlet channel 12 are maximized, and space is saved.

When in manufacture, the hollow tube 1 can be axially divided into halves, one half of the hollow tube is in sealing connection with the partition plate 13 to form the exhaust channel 12, and the other half of the hollow tube is in sealing connection with the other side of the partition plate 13 to form the air inlet channel 11.

In some embodiments, the hollow tube 1 is bent into a ring shape, a plurality of branch pipes 5 extending in radial direction are arranged on the hollow tube 1, the branch pipes 5 are uniformly distributed in the circumferential direction of the hollow tube 1, and the branch pipes 5 are communicated with the hollow tube 1 and the air cylinder.

When the flow path assembly is used for a four-cylinder reciprocating compressor, the support frame is annular, and the branch pipes 5 are arranged in the radial direction of the hollow pipe 1, so that the flow path assembly is convenient for the communication of cylinders at different positions, and of course, the flow path assembly can also be used for two-cylinder and three-cylinder reciprocating compressors, even six-cylinder compressors. The cross-sectional shape of the hollow tube 1 is not limited to a circular shape, and may be a semi-elliptical shape or a square shape.

In some embodiments, the branch pipe 5 is provided with a separate air inlet branch 51 and an air outlet branch 52, the air inlet branch 51 communicates with the air inlet channel 11 and the air inlet, and the air outlet branch 52 communicates with the air outlet channel 12 and the air outlet.

The branch pipe 5 can also adopt the same structure as the hollow pipe 1, and is internally provided with a separated air inlet branch 51 and an air outlet branch 52, so as to realize the air inlet and outlet communication of the hollow pipe 1 and the air cylinder.

In some embodiments, at least two through holes respectively corresponding to the air inlet channel 11 and the air outlet channel 12 are formed on the side wall of the hollow tube 1.

Through holes are formed in the side wall of the hollow tube 1, so that gas can be conveniently led into or led out of the hollow tube 1, a plurality of through holes can be formed according to use requirements, and a short tube can be vertically communicated with the hollow tube 1 by adopting a specific structure of the through holes and adopting a mode that the inside of the short tube is divided into two channels to be communicated with the air inlet channel 11 and the air outlet channel 12.

In some embodiments, the hollow tube 1 is provided in a ring shape, and the reciprocating compressor further includes a plurality of cylinder assemblies 2 uniformly distributed along the circumference of the hollow tube 1 and provided inside the hollow tube 1.

The inside of the annular hollow tube 1 is provided with a plurality of cylinder assemblies 2, so that the air inlet and the air outlet of the plurality of cylinder assemblies 2 can be synchronously supplied by adopting one flow path assembly, and the structure and the cost are saved.

In some embodiments, a plurality of the cylinder assemblies 2 share one motor 3, and an output shaft of the motor 3 is provided as an eccentric shaft 4 and is connected with pistons of the plurality of the cylinder assemblies 2.

The plurality of cylinder assemblies 2 share one motor 3, the output shaft of the motor 3 is an eccentric shaft 4, the eccentric shaft 4 is adopted to replace a crankshaft, a four-cylinder reciprocating compressor is taken as an example, two adjacent cylinder assemblies 2 are in an exhaust process, the other two cylinder assemblies are in an air suction process, and a partition plate 13 in the hollow tube 1 separates air from each other and does not interfere with each other. As shown in fig. 3, in the process of air intake and exhaust of one cylinder, when the cylinder is inhaling, air enters the air intake passage 11, is split into two, flows clockwise and counterclockwise, flows to the air intake valve connecting pipeline through the air intake passage 11, and respectively enters the adjacent two inhaling cylinders. When the cylinder is exhausted, compressed air enters the exhaust passage 12 through the exhaust valve connecting pipeline to flow clockwise and counterclockwise, and then is gathered and exhausted out of the hollow pipe 1.

In fig. 2 and 3, the outer ring is the exhaust channel 12 and the inner ring is the intake channel 11, and the two can be interchanged, and the same can be used.

In some embodiments, the hollow tube 1 is fixedly connected to the motor 3. Preferably, the hollow tube 1 is fixedly connected with the motor 3 housing via a connecting piece.

The hollow tube 1 used as a bracket not only can bear the stress, but also can separate the air inlet and the air outlet, and the three parts are integrally formed. The support is fixed with the motor 3 shell through the connecting piece, and finally the support is connected with the end cover through the exhaust valve connecting pipeline and the air inlet valve connecting pipeline, so that the whole piston compressor is assembled, and the stress of the piston and the air cylinder is transmitted to the motor 3 shell through the flow path support.

It is easy to understand by those skilled in the art that the above embodiments can be freely combined and overlapped without conflict.

The foregoing description of the preferred embodiments of the application is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the application. The foregoing is merely a preferred embodiment of the present application, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present application, and these modifications and variations should also be regarded as the scope of the application.

Claims

1. A flow path component, characterized in that it comprises:

A bracket for supporting a cylinder; the bracket includes a hollow tube (1);

The hollow tube (1) is provided with a separate air intake channel (11) and an exhaust channel (12). The air intake channel (11) is connected to the air intake port of the cylinder, and the exhaust channel (12) is connected to the exhaust port of the cylinder. When the cylinder draws in air, air enters the cylinder through the air intake channel (11), and when the cylinder exhausts air, air is discharged through the exhaust channel (12).

2. The flow path assembly according to claim 1, characterized in that an axially extending baffle (13) is provided inside the hollow tube (1), and the two sides of the baffle (13) and the inner wall of the hollow tube (1) form the air intake channel (11) and the exhaust channel (12).

3. The flow path assembly according to claim 2, characterized in that the hollow tube (1) is bent into a ring shape, and a plurality of radially extending branch pipes (5) are provided on the hollow tube (1), the branch pipes (5) being evenly distributed in the circumference of the hollow tube (1); the branch pipes (5) are connected to the hollow tube (1) and the cylinder.

4. The flow path assembly according to claim 3, characterized in that the branch pipe (5) is provided with a separate air intake branch (51) and an exhaust branch (52), the air intake branch (51) connecting the air intake channel (11) and the air intake port, and the exhaust branch (52) connecting the exhaust channel (12) and the exhaust port.

5. The flow path assembly according to any one of claims 1-4, characterized in that the hollow tube (1) has at least two through holes on its side wall, which are respectively connected to the air intake channel (11) and the exhaust channel (12).

6. A reciprocating compressor, characterized in that it includes the flow path assembly as described in any one of claims 1-5.

7. The reciprocating compressor according to claim 6, characterized in that the hollow tube (1) is arranged in an annular shape, and the reciprocating compressor further includes a plurality of cylinder assemblies (2) evenly distributed along the circumference of the hollow tube (1) and disposed inside the hollow tube (1).

8. The reciprocating compressor according to claim 7, characterized in that a plurality of cylinder assemblies (2) share a motor (3), and the output shaft of the motor (3) is configured as an eccentric shaft (4) and connected to the pistons of the plurality of cylinder assemblies (2).

9. The reciprocating compressor according to claim 8, wherein the hollow tube (1) is fixedly connected to the motor (3).

10. The reciprocating compressor according to claim 9, wherein the hollow tube (1) is fixedly connected to the housing of the motor (3) via a connector.