CN209761683U - Rear cover and compressor comprising same - Google Patents

Abstract

The utility model discloses a back lid and contain its compressor, the back lid is used for the cylinder organism, a side of back lid connect in the cylinder organism, and with the cylinder organism encloses into a confined inner chamber, inner chamber includes first cavity, the back is covered and is equipped with the induction port, the induction port is used for letting in external gas, the back lid includes: the first air suction channel is used for connecting the air suction port and the first chamber and extends along the axial direction of the rear cover; and the second air suction channel is used for connecting the air suction port and the first chamber, and extends along the chord direction of the rear cover. The utility model discloses an increase the second suction channel who connects induction port and first cavity, increased the return circuit of breathing in of compressor, and then increased the refrigerant flow that gets into the compressor, improved air conditioning system's refrigeration effect.

Description

Rear cover and compressor comprising same

Technical Field

The utility model relates to a machinery, in particular to back lid and contain its compressor.

Background

Along with the improvement of living standard of people, people have higher and higher requirements on the comfort of automobiles, so that the requirements on the refrigeration effect of an automobile air conditioning system are higher and higher. The compressor is used as a core component of an automobile air conditioner and determines the refrigeration effect of an air conditioning system. The refrigeration effect of the compressor is mainly determined by the flow of the refrigerant entering the compressor, the flow of the refrigerant entering the compressor is mainly determined by the suction channel loop, only one suction channel is arranged on the rear cover of the compressor at present, and the flow of the refrigerant entering the compressor is small, so that the structure of the compressor needs to be further optimized, the flow of the refrigerant entering the compressor is increased, and the refrigeration effect of the compressor is further improved.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to cover the suction channel single in order to overcome the back of compressor among the prior art, lead to the few defect of refrigerant flow that gets into the compressor, provide a back lid and contain its compressor.

The utility model discloses an above-mentioned technical problem is solved through following technical scheme:

the utility model provides a back lid, back lid is used for the cylinder organism, a side of back lid connect in the cylinder organism, and with the cylinder organism encloses into a confined inner chamber, inner chamber includes first cavity, back is covered and is equipped with the induction port, the induction port is used for letting in external gas, back lid includes:

The first air suction channel is used for connecting the air suction port and the first chamber and extends along the axial direction of the rear cover;

and the second air suction channel is used for connecting the air suction port and the first chamber, and extends along the chord direction of the rear cover.

In this scheme, the external gas is exactly the refrigerant gas that needs through the compressor compression, the inner chamber is low-pressure chamber and the high-pressure chamber of compressor promptly, first cavity is the low pressure chamber, the induction port is used for inhaling the refrigerant gas that needs the compression, refrigerant gas inhales first cavity through the induction port, then compress through the cylinder organism, second suction channel through increasing connection induction port and first cavity, the return circuit of breathing in of compressor has been increased, thereby the refrigerant flow that gets into the compressor has been enlarged, and then the refrigerating capacity of compressor has been increased, air conditioning system's refrigeration effect has been improved.

Preferably, the first suction passage and the second suction passage communicate with each other.

In this scheme, first air suction channel, second air suction channel and induction port communicate each other, can merge into an interface with a plurality of passageways of connecting first cavity, and the induction port and the outside organism part of the compressor of being convenient for are connected.

preferably, the air suction port is disposed on the other side surface of the rear cover away from the cylinder body or the air suction port is disposed on the outer circumferential surface of the rear cover.

in this scheme, can locate the induction port on the another side of back lid far away from the cylinder organism, also can locate the induction port on the outer peripheral face of back lid, can rationally set up the position of induction port according to user's needs.

Preferably, the inner chamber further comprises a second chamber, the rear cover is further provided with an exhaust port, the exhaust port is used for exhausting compressed gas in the cylinder body, and the second chamber is communicated with the exhaust port.

In the scheme, the second chamber is a high-pressure chamber of the compressor, the second chamber is communicated with the exhaust port, the refrigerant gas sucked into the first chamber enters the second chamber after being compressed by the cylinder body, and the compressed refrigerant gas is exhausted from the exhaust port.

Preferably, the air inlet and the air outlet are arranged in pair, and the air inlet is parallel to the central axis of the air outlet.

in this scheme, set up gas vent and induction port in pairs, and the central axis of induction port and gas vent is parallel, the cylinder organism of being convenient for inhale, the exhaust interface is connected with outside organism part.

Preferably, one end of the first air suction channel is provided with a first air inlet communicated with the first chamber, one end of the second air suction channel is provided with a second air inlet communicated with the first chamber, and the first air inlet, the second air inlet and the air suction port are communicated.

A compressor comprises a cylinder body, and the cylinder body comprises the rear cover.

in this scheme, the back lid is used for the cylinder organism of compressor, through covering the suction channel that increases the entering low-pressure chamber after, increases the return circuit of breathing in of compressor, and then improves the refrigeration effect of compressor.

The utility model discloses an actively advance the effect and lie in: the utility model discloses an increase the second suction channel who connects induction port and first cavity, increased the return circuit of breathing in of compressor, and then increased the refrigerant flow that gets into the compressor, improved air conditioning system's refrigeration effect.

Drawings

Fig. 1 is a schematic structural diagram of a compressor according to a preferred embodiment of the present invention.

Fig. 2 is a front view of a rear cover according to a preferred embodiment of the present invention.

Fig. 3 is a schematic structural view of a rear cover according to a preferred embodiment of the present invention.

3 fig. 3 4 3 is 3 a 3 sectional 3 view 3 a 3- 3 a 3 in 3 fig. 3 3 3. 3

Fig. 5 is a rear view of the rear cover according to a preferred embodiment of the present invention.

Fig. 6 is a sectional view taken along line B-B in fig. 5.

Description of reference numerals:

Back cover 1

Cylinder body 20

First chamber 2

First air intake port 21

Second air intake port 22

Second chamber 3

Air inlet 4

Exhaust port 5

First air suction passage 6

Second suction passage 7

Back outlet 9 of suction and exhaust port

The upper outlet 10 of the suction and exhaust port

Detailed Description

The present invention is further illustrated by way of the following examples, which are not intended to limit the scope of the invention.

Fig. 1-6 show a rear cover 1, the rear cover 1 is used for a cylinder body 20, one side of the rear cover 1 is connected to the cylinder body 20 and encloses a closed inner chamber with the cylinder body 20, the inner chamber includes a first chamber 2, an air suction port 4 is arranged on the rear cover 1, the air suction port 4 is used for introducing external air, the rear cover 1 includes:

The first air suction channel 6 is used for connecting the air suction port 4 and the first chamber 2, and the first air suction channel 6 extends along the axial direction of the rear cover 1;

And a second air suction passage 7, wherein the second air suction passage 7 is used for connecting the air suction port 4 and the first chamber 2, and the second air suction passage 7 extends along the chord direction of the rear cover 1.

In this embodiment, the external air is a refrigerant gas to be compressed by the compressor, the first chamber 2 is a low pressure cavity of the compressor, the suction port 4 is used for sucking the refrigerant gas to be compressed, and the refrigerant gas is sucked into the first chamber 2 through the suction port 4 and then compressed by the cylinder body 20. The utility model discloses an increase the second suction channel 7 of connecting induction port 4 and first cavity 2, increased the return circuit of breathing in of compressor to enlarged the refrigerant flow who gets into the compressor, and then increased the refrigerating output of compressor, improved air conditioning system's refrigeration effect.

The first suction passage 6 and the second suction passage 7 communicate with each other.

In this embodiment, the first suction channel 6, the second suction channel 7 and the suction port 4 are communicated with each other, and a plurality of channels connecting the first chamber 2 can be combined into one interface, so that the suction port 4 of the compressor can be conveniently connected with an external machine body part.

The intake port 4 is provided on the other side surface of the rear cover 1 away from the cylinder block 20 or the intake port 4 is provided on the outer peripheral surface of the rear cover 1.

In this embodiment, the air inlet 4 may be provided on the other side surface of the rear cover 1 away from the cylinder block 20, which is also referred to as a mode in which the air inlet 4 is drawn out backward, or the air inlet 4 may be provided on the outer peripheral surface of the rear cover 1, which is also referred to as a mode in which the air inlet 4 is drawn out upward, and the position of the air inlet 4 may be appropriately set according to the user's needs.

The inner chamber further comprises a second chamber 3, the rear cover 1 is further provided with an exhaust port 5, the exhaust port 5 is used for exhausting compressed gas in the cylinder body 20, and the second chamber 3 is communicated with the exhaust port 5.

As will be understood from fig. 2, in the present embodiment, the second chamber 3 is a high pressure chamber of the compressor, the second chamber 3 is communicated with the exhaust port 5, the refrigerant gas sucked into the first chamber 2 is compressed by the cylinder body 20, enters the second chamber 3, which is the high pressure chamber, and is discharged through the exhaust port 5.

The air inlet 4 and the air outlet 5 are arranged in pair, and the air inlet 4 and the air outlet 5 are parallel to each other.

As will be understood from fig. 3 and 5, in the present embodiment, the exhaust port 5 and the intake port 4 are arranged in pair, and the central axes of the intake port 4 and the exhaust port 5 are parallel, so that the intake and exhaust ports of the cylinder body 20 are conveniently connected with the external body components, and the arrangement positions of the intake and exhaust ports on the rear cover 1 can be selected according to the requirement, such as the arrangement mode of the intake and exhaust ports rear outlet 9 or the intake and exhaust ports upper outlet 10.

One end of the first air suction channel 6 is provided with a first air inlet 21 communicated with the first chamber 2, one end of the second air suction channel 7 is provided with a second air inlet 22 communicated with the first chamber 2, and the first air inlet 21, the second air inlet 22 and the air suction port 4 are communicated.

In this embodiment, the first chamber 2 is a low-pressure chamber, and the first air inlet 21 and the second air inlet 22 are connected to the low-pressure chamber, and the first air inlet 21, the second air inlet 22 and the suction port 4 are communicated, so that an air suction loop for a refrigerant to enter the low-pressure chamber is increased, thereby increasing the flow rate of the refrigerant entering the compressor, further increasing the refrigerating capacity of the compressor, and improving the refrigerating effect of the air conditioning system.

The embodiment also discloses a compressor, which comprises a cylinder body 20, wherein the cylinder body 20 comprises the rear cover 1.

As will be understood from fig. 1, in the present embodiment, the compressor includes a clutch member for driving the compressor and a cylinder block 20 for compressing a low-pressure refrigerant gas. The working principle of the compressor is that low-pressure refrigerant gas is sucked into a first cavity 2, namely a low-pressure cavity, of the compressor from a gas suction port 4 of a rear cover 1, the low-pressure refrigerant gas is compressed by the compressor and then is changed into high-pressure refrigerant gas, the high-pressure refrigerant gas enters a second cavity 3, namely a high-pressure cavity, of the compressor, and finally the high-pressure refrigerant gas is discharged out of the compressor through a gas exhaust port 5.

The rear cover 1 is used for a cylinder body 20 of the compressor, the second air suction channel 7 for communicating the first cavity 2 with the air suction port 4 is arranged on the rear cover 1, and an air suction loop of a refrigerant entering the low-pressure cavity is increased, so that the flow of the refrigerant entering the compressor is increased, the refrigerating capacity of the compressor is increased, and the refrigerating effect of an air conditioning system is improved.

although specific embodiments of the present invention have been described above, it will be understood by those skilled in the art that this is by way of example only and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and the principles of the present invention, and these changes and modifications are all within the scope of the present invention.

Claims (7)

1. The utility model provides a back lid, back lid is used for the cylinder organism, its characterized in that, a side of back lid connect in the cylinder organism, and with the cylinder organism encloses into a confined inner chamber, inner chamber includes first cavity, be equipped with the induction port on the back lid, the induction port is used for letting in external gas, back lid includes:

The first air suction channel is used for connecting the air suction port and the first chamber and extends along the axial direction of the rear cover;

And the second air suction channel is used for connecting the air suction port and the first chamber, and extends along the chord direction of the rear cover.

2. The back cover as claimed in claim 1, wherein the first suction passage and the second suction passage communicate with each other.

3. The back cover according to claim 1, wherein the intake port is provided on the other side surface of the back cover away from the cylinder block or the intake port is provided on the outer peripheral surface of the back cover.

4. The rear cover as claimed in claim 3, wherein the inner chamber further comprises a second chamber, and a discharge port for discharging compressed gas in the cylinder body is further provided on the rear cover, the second chamber communicating with the discharge port.

5. The rear cover as claimed in claim 4, wherein the suction port is formed in a pair with the exhaust port, and the suction port is formed in parallel with a central axis of the exhaust port.

6. The rear cover as claimed in claim 1, wherein one end of the first suction passage is provided with a first inlet port for communicating with the first chamber, one end of the second suction passage is provided with a second inlet port for communicating with the first chamber, and the first inlet port, the second inlet port and the suction port communicate with each other.

7. A compressor, characterized in that it comprises a cylinder block comprising a back cover according to any one of claims 1 to 6.