CN211575626U

CN211575626U - Liquid accumulator connecting structure and compressor

Info

Publication number: CN211575626U
Application number: CN202020094709.3U
Authority: CN
Inventors: 于华生; 王海军
Original assignee: Shanghai Highly Electrical Appliances Co Ltd
Current assignee: Shanghai Highly Electrical Appliances Co Ltd
Priority date: 2020-01-16
Filing date: 2020-01-16
Publication date: 2020-09-25
Anticipated expiration: 2030-01-16

Abstract

The utility model provides a reservoir connection structure and compressor, the shape of the bottom of reservoir lower cover is the segment shape, be equipped with the gas outlet on the bottom of reservoir lower cover, the central line of gas outlet with the contained angle of the central line of the bottom of reservoir lower cover is alpha, and 0 < alpha < 90. The utility model discloses can effectively improve reservoir modal frequency, reduce the reservoir noise.

Description

Liquid accumulator connecting structure and compressor

Technical Field

The utility model relates to a compressor field, specifically speaking relates to a reservoir connection structure and compressor of noise improve.

Background

The rotary compressor is a new type of compressor, and its motor does not need to convert the rotary motion of rotor into reciprocating motion of piston, but directly drives the rotary piston to make rotary motion to complete the compression of refrigerant vapor. The air compressor is more suitable for small air conditioners, and particularly has wider application on household air conditioners. For example, rotary air compressors manufactured by U.S. general electric and vopp have been designed with better anti-overheating and lubrication devices. It adopts the cooling mode of leading part of refrigerant liquid in condenser to compression chamber by using pipe to make it be injected in cylinder, so that its cooling effect can be raised. The rotary compressor has the main advantages that: because the piston does the rotary motion, the compression work is smooth and stable and balanced. In addition, the rotary air compressor has no clearance volume and no interference of re-expansion gas, so that the rotary air compressor has the advantages of high compression efficiency, few parts, small volume, light weight, good balance performance, complete protection measures, low power consumption and the like.

The noise problem is also a concern to users when the rotary compressor is applied to a home air conditioner. The accumulator is an important component of the rotary compressor and is also one of the primary sound sources. Existing reservoir noise is mainly concentrated within 2000Hz, with a prominence near 1000Hz, mainly affected by the bottom mode. While the bottom mode is primarily affected by the bottom mounting stiffness. The mounting rigidity is improved, the mode below 2000Hz can be improved, and the purpose of reducing noise can be realized. How to improve the bottom installation rigidity becomes the direction of research of various manufacturers.

As shown in fig. 1, the installation manner of the prior art liquid accumulator is mainly an upper hoop rubber gasket combination, an internal suction pipe is led out from the center of the bottom and is connected to a suction port of a cylinder of a compressor body after being bent by 90 degrees. The lifting type installation mode has the advantages that the exciting force is mainly transmitted to the liquid storage device through the bottom air suction pipe and the upper support when the compressor works, the bottom air suction pipe is long, so that the installation rigidity of the liquid storage device is reduced, the vibration of the liquid storage device is large, and meanwhile, the radiation noise is large.

Therefore, those skilled in the art have made an effort to develop a compressor having high efficiency and a simple structure, which can effectively reduce noise.

SUMMERY OF THE UTILITY MODEL

To the problem among the prior art, the utility model aims to provide a reservoir connection structure and compressor has improved the installation rigidity of reservoir, has better effect to the low frequency noise who improves the reservoir.

According to the utility model discloses an aspect provides a reservoir connection structure, is applicable to the compressor, the compressor is including continuous body and reservoir, the reservoir is including consecutive upper cover, barrel and lower cover, the lower cover is including continuous bottom and connecting portion, the lower cover pass through connecting portion with the reservoir barrel is connected, the shape of the bottom of reservoir lower cover is the segment shape, be equipped with the gas outlet on the bottom of reservoir lower cover, be equipped with the outlet duct on the reservoir, the one end of outlet duct is located in the reservoir, the other end of outlet duct passes the gas outlet of the bottom of reservoir lower cover with this body coupling of compressor, the central line of gas outlet with the contained angle of the central line of the bottom of reservoir lower cover is alpha, and 0 < alpha < 90.

Preferably: the liquid storage device comprises a liquid storage device barrel and is characterized in that the liquid storage device barrel is cylindrical, and the center line of the liquid storage device barrel is superposed with the center line of the bottom of a liquid storage device lower cover.

Preferably: the other end of the air outlet pipe is fixedly connected with the air outlet.

Preferably: the other end of the air outlet pipe is fixedly connected with the air outlet through welding.

Preferably: the air outlet pipe comprises a first part, a second part and a third part which are connected, the first part is arranged in the liquid storage device, the center line of the first part is overlapped with the center line of the bottom of the lower cover of the liquid storage device, the center line of the second part is overlapped with the center line of the air outlet, and the center line of the third part is perpendicular to the center line of the first part.

Preferably: the distance between the liquid storage device and the compressor body is 3-6 mm.

Preferably: alpha is more than or equal to 25 degrees and less than or equal to 60 degrees.

Preferably: alpha is more than or equal to 40 degrees and less than or equal to 50 degrees.

Preferably: the α is 45 °.

According to another aspect of the present invention, there is provided a compressor, including a reservoir connection structure according to the above.

The utility model discloses a reservoir connection structure and compressor improves the installation rigidity of reservoir, has better effect to the low frequency noise who improves the reservoir.

Drawings

Other features, objects and advantages of the invention will become more apparent from a reading of the following detailed description of non-limiting embodiments thereof, with reference to the accompanying drawings.

FIG. 1 is a schematic view of a compressor according to the prior art;

fig. 2 is a schematic structural view of a reservoir connection structure according to an embodiment of the present invention.

Reference numerals

1 main body

2 liquid reservoir

3 Upper cover

4 barrel

5 lower cover

51 connecting part

52 bottom

53 air outlet

6 air suction pipe

61 first part

62 second part

63 third part

Detailed Description

Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and thus their repetitive description will be omitted.

As shown in fig. 2, in an embodiment of the present invention, an accumulator connection structure and a compressor, preferably a rotary compressor, are provided.

The rotary compressor preferably comprises a body 1 and an accumulator 2 connected.

The liquid storage device 2 comprises an upper cover 3, a cylinder 4 and a lower cover 5 which are connected in sequence, and preferably, the upper cover 3, the cylinder 4 and the lower cover 5 are fixedly connected through welding.

The lower cover 5 comprises a bottom portion 52 and a connecting portion 51 connected with each other, the connecting portion 51 is connected with the cylinder 4, and is preferably welded and fixed, and the lower cover 5 is connected with the reservoir cylinder 4 through the connecting portion 51, as shown in fig. 2, and in the embodiment of the present invention, is preferably inserted into the cylinder 4 through the connecting portion 51 and is fixed by welding.

As shown in fig. 2, in the embodiment of the present invention, the bottom 52 of the lower cover 5 of the liquid storage device is shaped like a segment of a sphere, i.e. a spherical surface, the lower cover 5 of the spherical surface facilitates the exit tube 6 to be extended laterally, shortens the length of the exit tube 6, reduces the height of the liquid storage device, and enhances the fixing strength of the liquid storage device.

An air outlet 53 is arranged on the bottom 52 of the lower cover 5 of the liquid reservoir.

An air outlet pipe 6 is arranged on the liquid storage device 2, one end of the air outlet pipe 6 is arranged in the liquid storage device, and the other end of the air outlet pipe 6 penetrates through an air outlet 53 at the bottom 52 of the lower cover 5 of the liquid storage device and is connected with the compressor body 1. And the included angle between the central line of the air outlet 53 and the central line of the bottom 52 of the lower cover 5 of the liquid storage device is preferably alpha, and alpha is more than 0 and less than 90 degrees. Preferably 25 ° ≦ α ≦ 60 °, and preferably 40 ° ≦ α ≦ 50 °, and further preferably α ≦ 45 °.

The center line of the air outlet 53 is a line perpendicular to the air outlet 53 and located at the center of the air outlet 53, and the center line of the bottom 52 of the segment shape is a line perpendicular to the cross section of the segment and located at the center of the cross section of the segment.

The utility model discloses a reservoir connection structure and compressor through set up the breathing pipe on the sphere bottom at the reservoir, has improved the structural mode of bottom and upper and lower vibration, has reduced the distance between reservoir focus and the installation base angle simultaneously, has effectively reduced the vibration of reservoir, has also reduced the noise that the reservoir body passes through the vibration external radiation simultaneously.

As shown in fig. 2, in an embodiment of the present invention, the reservoir barrel 4 is substantially cylindrical in shape, with the centerline of the reservoir barrel 4 coinciding with the centerline of the bottom 52 of the reservoir lower lid 5.

Furthermore, as shown in fig. 2, in the embodiment of the present invention, the other end of the outlet pipe 6 is fixedly connected to the outlet 53 by welding.

Further, as shown in fig. 2, in an embodiment of the present invention, the outlet duct 6 comprises a first portion 61, a second portion 62 and a third portion 63 connected.

The first part 61 is arranged in the liquid reservoir 2, the central line of the first part 61 is coincident with the central line of the bottom 52 of the liquid reservoir lower cover 5 and the central line of the cylinder 4, namely vertical, the central line of the second part 62 is coincident with the central line of the air outlet 53 at a certain angle, and the central line of the third part 63 is perpendicular to the central line of the first part 51, namely horizontal.

As shown in FIG. 2, in the embodiment of the present invention, the distance between the liquid storage device 2 and the compressor body 1 is preferably 3-6 mm, and preferably 5 mm.

In the embodiment of the present invention, it is preferable that the horizontal line position of the lowest point of the third portion 63 of the air outlet pipe 6 is lower than the horizontal line position of the lowest point of the bottom 52 of the reservoir lower cover 5. And preferably, a fixing bracket is further arranged between the compressor body 1 and the liquid accumulator 2, so that the fixing strength is improved.

The invention is described below in terms of specific embodiments:

example 1

As shown in fig. 2, a compressor includes a body 1 and an accumulator 2 connected.

The liquid storage device 2 comprises an upper cover 3, a cylinder 4 and a lower cover 5 which are fixedly connected in sequence by welding.

The lower cover 5 includes a bottom portion 52 and a connecting portion 51 connected thereto. The connecting portion 51 is welded and fixed to the cylindrical body 4. The base 52 is in the shape of a segment of a sphere.

An air outlet pipe 6 is arranged on the liquid storage device 2, a first part 61 of the air outlet pipe 6 is arranged in the liquid storage device 2, and the center line of the first part 61 is superposed with the center line of the bottom 52 of the lower cover 5 of the liquid storage device and the center line of the barrel 4; the centre line of the second portion 62 of the outlet duct 6 coincides with the centre line of the outlet 53; the centre line of the third portion 63 of the outlet tube 6 is perpendicular to the centre line of the first portion 51.

The center line of the air outlet 53 forms an angle α of 25 ° with the center line of the bottom 52 of the reservoir lower cover 5.

The distance between the liquid storage device 2 and the compressor body 1 is 3 mm.

Example 2

The center line of the air outlet 53 forms an angle α of 40 ° with the center line of the bottom 52 of the reservoir lower cover 5.

The distance between the liquid accumulator 2 and the compressor body 1 is 5 mm.

Example 3

The center line of the air outlet 53 forms an angle α of 45 ° with the center line of the bottom 52 of the reservoir lower cover 5.

Example 4

The center line of the air outlet 53 forms an angle α of 50 ° with the center line of the bottom 52 of the reservoir lower cover 5.

Example 5

The center line of the air outlet 53 forms an angle α of 60 ° with the center line of the bottom 52 of the reservoir lower cover 5.

The distance between the liquid accumulator 2 and the compressor body 1 is 6 mm.

To sum up, the utility model discloses a reservoir connection structure and compressor of embodiment have improved reservoir bottom and the structural mode of vibration from top to bottom, have reduced the distance between reservoir focus and the installation base angle simultaneously, have effectively reduced the vibration of reservoir, have also reduced the noise that the reservoir body passes through the vibration external radiation simultaneously.

The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.

Claims

1. The utility model provides a reservoir connection structure, is applicable to the compressor, the compressor includes body (1) and reservoir (2) that link to each other, reservoir (2) are including consecutive upper cover (3), barrel (4) and lower cover (5), lower cover (5) are including continuous bottom (52) and connecting portion (51), lower cover (5) pass through connecting portion (51) with reservoir (2) barrel (4) are connected, its characterized in that, the shape of bottom (52) of reservoir (2) lower cover (5) is the segment of a sphere shape, be equipped with gas outlet (53) on the bottom (52) of reservoir (2) lower cover (5), be equipped with outlet duct (6) on reservoir (2), the one end of outlet duct (6) is located in reservoir (2), the other end of outlet duct (6) passes gas outlet (53) of bottom (52) of reservoir (2) lower cover (5) with compressor body (1) is connected, the included angle between the central line of the air outlet (53) and the central line of the bottom (52) of the lower cover (5) of the liquid storage device (2) is alpha, and alpha is more than 0 and less than 90 degrees.

2. The reservoir connection structure according to claim 1, wherein: the shape of the barrel (4) of the liquid storage device (2) is cylindrical, and the central line of the barrel (4) of the liquid storage device (2) is superposed with the central line of the bottom (52) of the lower cover (5) of the liquid storage device (2).

3. The reservoir connection structure according to claim 1, wherein: the other end of the air outlet pipe (6) is fixedly connected with the air outlet (53).

4. The reservoir connection structure according to claim 3, wherein: the other end of the air outlet pipe (6) is fixedly connected with the air outlet (53) through welding.

5. The reservoir connection structure according to claim 1, wherein: the air outlet pipe (6) comprises a first part (61), a second part (62) and a third part (63) which are connected, the first part (61) is arranged in the liquid storage device (2), the central line of the first part (61) is overlapped with the central line of the bottom (52) of the lower cover (5) of the liquid storage device (2), the central line of the second part (62) is overlapped with the central line of the air outlet (53), and the central line of the third part is perpendicular to the central line of the first part (61).

6. The reservoir connection structure according to claim 1, wherein: the distance between the liquid accumulator (2) and the compressor body (1) is 3-6 mm.

7. The reservoir connection structure according to claim 1, wherein: alpha is more than or equal to 25 degrees and less than or equal to 60 degrees.

8. The reservoir connection structure according to claim 1, wherein: alpha is more than or equal to 40 degrees and less than or equal to 50 degrees.

9. The reservoir connection structure according to claim 1, wherein: the α is 45 °.

10. A compressor, characterized by: comprising a reservoir connection according to any of claims 1 to 9.