CN212429150U - Novel cover and compressor behind swash plate compressor - Google Patents

Abstract

The utility model discloses a novel lid behind rotatory swash plate compressor is equipped with throttle passage and through throttle passage intercommunication between the two between back lid high-pressure chamber and the exhaust inflation chamber, main exhaust passage and exhaust inflation chamber intercommunication, main exhaust passage keep away from exhaust inflation chamber one end and are equipped with the gas vent. Through the novel rotary swash plate type compressor rear cover of the optimized design, high-pressure gas of the front cover and the rear cover is fully mixed in a rear cover high-pressure cavity, enters the relatively closed exhaust expansion cavity through the throttling channel, and is subjected to flow stabilization in the exhaust expansion cavity, and is discharged through the main exhaust channel after the flow stabilization, so that the high-pressure cavity of the rear cover end is enabled to be very stable and impact on the rear valve plate is avoided while the airflow pulsation is effectively reduced, and the noise is reduced. The utility model also discloses a novel swash plate compressor.

Description

Novel cover and compressor behind swash plate compressor

Technical Field

The utility model relates to a compressor technical field especially relates to a novel lid and compressor behind swash plate compressor.

Background

The compressor includes suction and discharge processes during operation. In the air suction process, refrigerant gas of the compressor is sucked through the air suction port, sequentially passes through the air suction channel 1 and then enters the air suction cavity of the rear cover, so that the refrigerant gas enters the crankshaft cavity through the air suction channels 2 and enters the air suction cavity of the front cover through the air suction channels 3. The swash plate device drives the pistons to do reciprocating motion, and the pistons suck the gas in the low-pressure cavity into the suction cavity through the front valve plate device and the rear valve plate device, so that the suction process is realized. In the exhaust process, because the reciprocating piston is a bidirectional piston, when one end of the piston realizes air suction, the other end of the piston forms exhaust of the compression cavity. Discharged gas respectively enters the exhaust cavities of the front cover and the rear cover through the front valve plate device and the rear valve plate device, and the gas in the exhaust cavity of the front cover is collected, then sequentially enters the guide groove of the rear cover through the exhaust channel 1 and the exhaust channel 2, and finally passes through the exhaust cavity of the rear cover; the air in the exhaust cavity of the rear cover directly enters the exhaust cavity of the rear cover, and two high-pressure airflows are collected at the exhaust cavity of the rear cover and then exhausted through an exhaust channel.

However, the conventional compressor structure has two disadvantages: 1. two high-pressure refrigerant gases of the front cover and the rear cover are gathered and disordered in the exhaust cavity of the rear cover, so that exhaust pulsation is increased. 2. The valve plate of the rear valve plate device always works in the environment with large pressure airflow fluctuation; the failure of the valve plate is easily caused.

SUMMERY OF THE UTILITY MODEL

For solving the technical problem who exists among the background art, the utility model provides a lid and compressor behind novel rotatory swash plate compressor.

The utility model provides a novel swash plate compressor rear cover, wherein a rear cover high-pressure cavity, an exhaust expansion cavity and a main exhaust channel are arranged on one side of the rear cover;

a throttling channel is arranged between the rear cover high-pressure cavity and the exhaust expansion cavity and is communicated with the rear cover high-pressure cavity and the exhaust expansion cavity through the throttling channel, the main exhaust channel is communicated with the exhaust expansion cavity, and an exhaust port is arranged at one end, far away from the exhaust expansion cavity, of the main exhaust channel.

Preferably, a plurality of throttling channels are arranged between the high-pressure cavity of the rear cover and the exhaust expansion cavity for communication.

Preferably, the back cover high pressure chamber is arranged around the exhaust expansion chamber, and the plurality of throttle passages are distributed around the exhaust expansion chamber between the back cover high pressure chamber and the exhaust expansion chamber.

Preferably, the degassing expansion chamber extends from one side of the rear cover to the middle.

Preferably, a sealing cover is arranged at the opening of the exhaust expansion cavity.

The utility model discloses in, the lid behind the novel rotatory swash plate compressor that proposes is equipped with throttle passage and communicates through throttle passage between the two between back lid high-pressure chamber and the exhaust inflation chamber, and main exhaust passage and exhaust inflation chamber intercommunication, main exhaust passage keep away from exhaust inflation chamber one end and are equipped with the gas vent. Through the novel rotary swash plate type compressor rear cover of the optimized design, high-pressure gas of the front cover and the rear cover is fully mixed in a rear cover high-pressure cavity, enters the relatively closed exhaust expansion cavity through the throttling channel, and is subjected to flow stabilization in the exhaust expansion cavity, and is discharged through the main exhaust channel after the flow stabilization, so that the high-pressure cavity of the rear cover end is enabled to be very stable and impact on the rear valve plate is avoided while the airflow pulsation is effectively reduced, and the noise is reduced.

The utility model discloses still include a novel swash plate compressor, lid behind foretell novel swash plate compressor.

Preferably, the hydraulic cylinder further comprises a front cover, a front valve plate, a cylinder body, a rear valve plate, a piston and a swash plate;

the cylinder body is internally provided with a crankshaft cavity and a compression cavity opposite to the crankshaft cavity, the swash plate is positioned in the cylinder body, a rotating shaft of the swash plate extends towards the rear cover along the front cover, two ends of the swash plate are respectively positioned in the crankshaft cavity and the compression cavity, and the piston is positioned in the compression cavity and sleeved at the end part of the swash plate;

a front exhaust channel is further arranged in the cylinder body and communicated with the rear cover high-pressure cavity.

Preferably, the piston divides the compression cavity into a front cavity and a rear cavity, the front cover is provided with a front cover exhaust cavity, the front cavity is communicated with the front exhaust channel through the front cover exhaust cavity, and the rear cavity is communicated with the rear cover high-pressure cavity.

The utility model discloses in, the novel swash plate compressor that proposes, its technical effect is similar with above-mentioned back lid, no longer gives unnecessary details here.

Drawings

Fig. 1 is a schematic structural diagram of a novel swash plate compressor according to the present invention.

Fig. 2 is a schematic sectional view taken along line a-a of fig. 1.

Fig. 3 is a schematic cross-sectional view taken along line C-C of fig. 2.

Detailed Description

As shown in fig. 1 to 3, fig. 1 is a schematic structural view of a novel swash plate compressor according to the present invention, fig. 2 is a schematic sectional view taken along a direction a-a of fig. 1, and fig. 3 is a schematic sectional view taken along a direction C-C of fig. 2.

Referring to fig. 2 and 3, the utility model provides a novel swash plate compressor rear cover, a rear cover high pressure cavity 11, an exhaust expansion cavity 12 and a main exhaust channel 13 are arranged on one side of the rear cover 1;

a throttling channel 14 is arranged between the rear cover high-pressure cavity 11 and the exhaust expansion cavity 12 and is communicated with the rear cover high-pressure cavity and the exhaust expansion cavity 12 through the throttling channel 14, a main exhaust channel 13 is communicated with the exhaust expansion cavity 12, and an exhaust port is arranged at one end, far away from the exhaust expansion cavity 12, of the main exhaust channel 13.

In this embodiment, the novel cover behind swash plate compressor that proposes is equipped with throttle passageway and through throttle passageway intercommunication between the two between back lid high-pressure chamber and the exhaust expansion chamber, main exhaust passage and exhaust expansion chamber intercommunication, main exhaust passage keep away from exhaust expansion chamber one end and are equipped with the gas vent. Through the novel rotary swash plate type compressor rear cover of the optimized design, high-pressure gas of the front cover and the rear cover is fully mixed in a rear cover high-pressure cavity, enters the relatively closed exhaust expansion cavity through the throttling channel, and is subjected to flow stabilization in the exhaust expansion cavity, and is discharged through the main exhaust channel after the flow stabilization, so that the high-pressure cavity of the rear cover end is enabled to be very stable and impact on the rear valve plate is avoided while the airflow pulsation is effectively reduced, and the noise is reduced.

In the specific embodiment, a plurality of throttling channels 14 are arranged between the rear cover high-pressure cavity 11 and the exhaust expansion cavity 12 for communication, so that the efficiency of mixed high-pressure gas entering the exhaust expansion cavity is ensured.

In a further embodiment, the rear cover high pressure chamber 11 is arranged around the exhaust expansion chamber 12, and a plurality of throttle passages 14 are distributed around the exhaust expansion chamber 12 between the rear cover high pressure chamber 11 and the exhaust expansion chamber 12.

Referring to fig. 1, the present embodiment further provides a novel swash plate compressor, which is characterized by including the novel swash plate compressor rear cover 1.

In the specific embodiment, the device further comprises a front cover 5, a front valve plate 4, a cylinder block 3, a rear valve plate 2, a piston 7 and a swash plate 6;

the front cover 5, the front valve plate 4, the cylinder body 3, the rear valve plate 2 and the rear cover 1 are sequentially connected, a crankshaft cavity 15 and a compression cavity 16 opposite to the crankshaft cavity 15 are arranged in the cylinder body 3, the swash plate 6 is positioned in the cylinder body 3, a rotating shaft of the swash plate extends towards the rear cover 1 along the front cover 5, two ends of the swash plate 6 are respectively positioned in the crankshaft cavity 15 and the compression cavity 16, and the piston 7 is positioned in the compression cavity 16 and sleeved at the end part of the swash plate 6;

the cylinder body 3 is also internally provided with a front exhaust channel 17, and the front exhaust channel 17 is communicated with the rear cover high-pressure cavity 11.

In other embodiments, the piston 7 divides the compression chamber 16 into a front chamber and a rear chamber, the front cover 5 is provided with a front cover exhaust chamber 18, the front chamber is communicated with the front exhaust passage 17 through the front cover exhaust chamber 18, and the rear chamber is communicated with the rear cover high pressure chamber 11.

In the concrete working process of the novel swash plate type compressor of this embodiment, the piston rotates at compression intracavity reciprocating motion along with the sloping cam plate for the high-pressure gas of back cavity gets into back lid high-pressure chamber exhaust intracavity, and the high-pressure gas in the front cavity loops through protecgulum exhaust chamber, and preceding exhaust passage gets into back lid high-pressure intracavity and carries out the intensive mixing back, gets into relatively inclosed exhaust expansion chamber through the throttle passageway, and the high-pressure gas will carry out the stationary flow in exhaust expansion chamber, discharges through main exhaust passage behind the stationary flow.

In order to facilitate the processing of the rear cover, the exhaust expansion cavity 12 extends from one side of the rear cover 1 to the middle part, and the opening of the exhaust expansion cavity is sealed through a rear valve plate during installation, so that the expansion of gas in the relatively sealed environment in the exhaust expansion cavity is ensured.

In another embodiment, a sealing cover (8) can be arranged at the opening of the exhaust expansion cavity (12), and the exhaust expansion cavity is sealed by the sealing cover.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (8)

1. A novel rotary swash plate type compressor rear cover is characterized in that a rear cover high-pressure cavity (11), an exhaust expansion cavity (12) and a main exhaust channel (13) are arranged on one side of the rear cover (1);

a throttling channel (14) is arranged between the rear cover high-pressure cavity (11) and the exhaust expansion cavity (12) and is communicated with the rear cover high-pressure cavity through the throttling channel (14), the main exhaust channel (13) is communicated with the exhaust expansion cavity (12), and an exhaust port is arranged at one end, far away from the exhaust expansion cavity (12), of the main exhaust channel (13).

2. The new swash plate compressor back cover according to claim 1, characterized in that a plurality of throttling channels (14) are provided between the back cover high pressure chamber (11) and the exhaust expansion chamber (12) to communicate.

3. A new swash plate compressor back cover according to claim 2, characterized in that the back cover high pressure chamber (11) is arranged around the discharge expansion chamber (12), and a plurality of throttling channels (14) are distributed around the discharge expansion chamber (12) between the back cover high pressure chamber (11) and the discharge expansion chamber (12).

4. A new swash plate compressor back cover according to claim 1, characterized in that the discharge expansion chamber (12) extends from one side of the back cover (1) to the middle.

5. A novel swash plate compressor back cover according to claim 4, characterized in that the opening of the exhaust expansion chamber (12) is provided with a sealing cover (8).

6. A new swash plate compressor comprising a new swash plate compressor back cover according to any of claims 1-5.

7. The new swash plate compressor according to claim 6, characterized by further comprising a front cover (5), a front valve plate (4), a cylinder block (3), a rear valve plate (2), pistons (7), a swash plate (6);

the front cover (5), the front valve plate (4), the cylinder body (3), the rear valve plate (2) and the rear cover (1) are sequentially connected, a crankshaft cavity (15) and a compression cavity (16) opposite to the crankshaft cavity (15) are arranged in the cylinder body (3), the swash plate (6) is positioned in the cylinder body (3), a rotating shaft of the swash plate extends towards the rear cover (1) along the front cover (5), two ends of the swash plate (6) are respectively positioned in the crankshaft cavity (15) and the compression cavity (16), and the piston (7) is positioned in the compression cavity (16) and sleeved at the end part of the swash plate (6);

a front exhaust channel (17) is further arranged in the cylinder body (3), and the front exhaust channel (17) is communicated with the rear cover high-pressure cavity (11).

8. A new swash plate compressor according to claim 7, characterized in that the piston (7) divides the compression chamber (16) into a front chamber and a rear chamber, the front cover (5) is provided with a front cover discharge chamber (18), the front chamber is connected to the front discharge channel (17) through the front cover discharge chamber (18), and the rear chamber is connected to the rear cover high pressure chamber (11).

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