CN210599320U

CN210599320U - Exhaust inner pipe connecting structure of compressor

Info

Publication number: CN210599320U
Application number: CN201921241078.7U
Authority: CN
Inventors: 许德发; 王钧伟; 覃幸; 梁永垣; 黄勇
Original assignee: Foshan Rike Heat Resistant Material Co Ltd
Current assignee: Foshan Rike Heat Resistant Material Co Ltd
Priority date: 2019-08-02
Filing date: 2019-08-02
Publication date: 2020-05-22
Anticipated expiration: 2029-08-02

Abstract

The utility model discloses an exhaust inner tube connecting structure of a compressor, a cylinder cover joint is arranged in a shell, an exhaust inner tube is arranged outside the cylinder cover joint, fixed joints are respectively sleeved at both ends of the exhaust inner tube, a sealing shield is arranged in the cylinder cover joint, silica gel rubber rings are respectively arranged at both sides of the outside of the sealing shield, a fixing ring is arranged at the bottom end of the fixing joint, a gas transmission cavity is arranged in the fixing joint, an exhaust valve is arranged at an air inlet, the structure of the utility model is scientific and reasonable, the sealing shield, the silica gel rubber rings and the fixing ring are arranged, the connecting part between the fixed joint and the cylinder cover joint can be sealed in a double way, the firmness and the tightness of the installation of the exhaust inner tube at the cylinder cover joint are improved, the gas transmission cavity and the exhaust valve are arranged, dust and impurities are prevented from falling into the, the dustproof performance of the exhaust inner pipe is improved.

Description

Exhaust inner pipe connecting structure of compressor

Technical Field

The utility model relates to a compressor technical field specifically is an exhaust inner tube connection structure of compressor.

Background

The refrigeration compressor sucks low-temperature low-pressure gas, the low-temperature low-pressure gas is compressed by the piston and then becomes high-temperature high-pressure gas, a power source is provided for the refrigeration system, the high-pressure gas compressed in the compressor is conveyed to the outside of the compressor through the exhaust connecting pipe, one end of the exhaust connecting pipe is connected with an exhaust pipeline on the machine core, the other end of the exhaust connecting pipe is connected with an exhaust pipe on the compressor, but the exhaust inner pipe connecting structure of the existing compressor cannot carry out double sealing on the connecting part between the fixed joint and the cylinder cover joint when in use, the firmness of the installation of the exhaust inner pipe at the cylinder cover joint is poor, dust easily falls into the exhaust inner pipe from the exhaust outer pipe, and the normal use of the device is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model provides an exhaust inner tube connection structure of compressor, the exhaust inner tube connection structure that can effectively solve the current compressor that proposes in the above-mentioned background art exists when using and can not carry out double sealing to the junction between fixed joint and the cylinder head joint, and the exhaust inner tube falls into the exhaust inner tube inside the gas exhaust outer tube easily with the dust at the relatively poor and the dust of cylinder head joint department installation, influences the problem of device normal use.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an exhaust inner tube connection structure of compressor, includes the shell, shell internally mounted has compression cylinder, the outside one side embedding of compression cylinder has the cylinder head to connect, the outside one side embedding of shell has the exhaust outer tube, be connected through the exhaust inner tube between cylinder head joint and the exhaust outer tube, fixed joint has all been cup jointed at exhaust inner tube both ends, cylinder head joint internally mounted has sealed fender cover, the silica gel rubber ring is all installed to sealed outside both sides of fender cover, the annular groove has been seted up on the inside top of cylinder head joint, solid fixed ring is installed to the fixed joint bottom, the inside gas transmission cavity of having seted up of fixed joint, the air inlet has been seted up to gas transmission cavity one side, air inlet department installs discharge valve, through reset spring fixed connection between discharge valve and the gas transmission cavity.

Preferably, the inner diameter of the annular groove is equal to the outer diameter of the fixing ring, positioning holes are uniformly formed in the edge of the outer portion of the annular groove, and screw holes are formed in the two sides of the fixing ring corresponding to the positioning holes.

Preferably, through fastening bush fixed connection between exhaust inner tube and the shell, the inside sound sponge ring of inhaling that has embedded in fastening bush, the inside wall of fastening bush is glued and is had the rubber backing ring, the inside evenly mounted of rubber backing ring has rubber bag piece.

Preferably, an air outlet is formed in the other side of the inner part of the air transmission cavity, and the inner diameter of the air outlet is equal to twice of the inner diameter of the air inlet.

Preferably, the top end of the rubber air bag block is provided with a limiting bracket.

Preferably, the fixed plates are installed on two sides of the bottom end of the shell, and the fixed holes are uniformly formed in the fixed plates.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has the advantages of being scientific and reasonable in structure, convenience safe in utilization:

1. be provided with sealed fender cover, silica gel rubber ring, solid fixed ring, annular groove and locating hole, can carry out centre gripping and fixed to solid fixed ring through annular groove and locating hole to the outside silica gel rubber ring of cooperation fender cover carries out double seal to the junction between fixed joint and the cylinder head joint, thereby has improved the fastness and the leakproofness of exhaust inner tube in the installation of cylinder head joint department.

2. Be provided with gas transmission cavity, air inlet, discharge valve and reset spring, when compression cylinder is carrying out the during operation, can open discharge valve under compressed gas's effect, discharge compressed gas by the exhaust outer tube, when compression cylinder stop work, reset spring promotes discharge valve and closes to inside dust and impurity have been avoided falling into the exhaust inner tube by the exhaust outer tube, improved the dustproof performance of exhaust inner tube.

3. Be provided with fastening bush, inhale sound sponge ring, rubber backing ring and rubber gasbag piece, can laminate the support to the exhaust inner tube outside through the inside rubber gasbag piece of rubber backing ring, reduce the vibrations that the exhaust inner tube produced when exhausting to the sound sponge ring can be inhaled in the cooperation and the noise elimination performance of fastening bush has effectively been improved to the noise elimination performance that can produce.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic view of the mounting structure of the fixing joint of the present invention;

fig. 3 is a schematic structural view of the cylinder head joint of the present invention;

FIG. 4 is a schematic view of the internal structure of the fixed joint of the present invention;

fig. 5 is a schematic structural view of the fastening bush of the present invention.

Reference numbers in the figures: 1. a housing; 2. a compression cylinder; 3. a cylinder head joint; 4. an exhaust inner pipe; 5. an exhaust outer tube; 6. fastening the bushing; 7. fixing the joint; 8. sealing the shield; 9. a silica gel rubber ring; 10. a fixing ring; 11. an annular groove; 12. positioning holes; 13. an exhaust port; 14. an air inlet; 15. a gas delivery chamber; 16. an exhaust valve; 17. a return spring; 18. a sound absorbing sponge ring; 19. a rubber grommet; 20. a rubber air bag block; 21. a limiting bracket.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example (b): as shown in fig. 1-5, the utility model provides a technical scheme, a compressor's exhaust inner tube connection structure, which comprises a housing 1, improve shell 1 fastness when the installation, avoid shell 1 to take place not hard up when using, the fixed plate is all installed to shell 1 bottom both sides, the fixed orifices has evenly been seted up to the fixed plate inside, shell 1 internally mounted has compression cylinder 2, the embedding of 2 outside one sides of compression cylinder has cylinder head joint 3, the embedding of 1 outside one side of shell has exhaust outer tube 5, be connected through exhaust inner tube 4 between cylinder head joint 3 and the exhaust outer tube 5, fixed joint 7 has all been cup jointed at 4 both ends of exhaust inner tube, 3 internally mounted of cylinder head joint has sealed fender cover 8, silica gel rubber ring 9 is all installed to 8 outside both sides of sealed fender cover, the inside top of cylinder head joint 3 has seted up annular groove 11, fixed ring 10 is installed to fixed.

The inner diameter of the annular groove 11 is equal to the outer diameter of the fixing ring 10, the outer edge of the annular groove 11 is uniformly provided with positioning holes 12, the two sides of the fixing ring 10 corresponding to the positioning holes 12 are provided with screw holes, can carry out the joint to solid fixed ring 10 through annular groove 11, and can be fixed solid fixed ring 10 inside annular groove 11 through bolt wear to locate locating hole 12 and screw, the fastness of being connected between exhaust inner tube 4 and the cylinder head joint 3 has been improved, gas transmission cavity 15 has been seted up to fixed joint 7 is inside, gas transmission cavity 15 one side has been seted up air inlet 14, improve the circulation speed of compressed gas in gas transmission cavity 15 is inside, guarantee the stability and the reliability of compression cylinder 2 during operation, gas vent 13 has been seted up to the inside opposite side of gas transmission cavity 15, the internal diameter of gas vent 13 equals the twice of 14 internal diameters of air inlet, discharge valve 16 is installed to 14 departments of air inlet, through reset spring 17 fixed connection between discharge valve 16 and the gas transmission cavity 15.

Through fastening bush 6 fixed connection between exhaust inner tube 4 and the shell 1, the inside embedding of fastening bush 6 has the sound sponge ring 18 of inhaling, and the inside wall of fastening bush 6 bonds and has rubber backing ring 19, and rubber bag piece 20 is evenly installed to rubber backing ring 19 inside, and spacing bracket 21 is seted up on rubber bag piece 20 top, can laminate the tip edge of exhaust inner tube 4 through spacing bracket 21, has improved the fastness of the tip of exhaust inner tube 4 at fastening bush 6 internally mounted.

The utility model discloses a theory of operation and use flow: in the process of using the exhaust inner pipe connecting structure of the compressor, firstly, the cylinder head joint 3 and the exhaust outer pipe 5 are connected through the fixing joints 7 at the two ends of the exhaust inner pipe 4, the fixing ring 10 is clamped through the annular groove 11, the fixing ring 10 is fixed inside the annular groove 11 through the bolt penetrating through the positioning hole 12 and the screw hole, and the joint between the fixing joint 7 and the cylinder head joint 3 is doubly sealed by matching with the silica gel ring 9 outside the sealing blocking cover 8, so that the firmness and the sealing performance of the installation of the exhaust inner pipe 4 at the cylinder head joint 3 are improved;

then, when the compression cylinder 2 in the outer shell 1 works, compressed gas is input into the exhaust inner tube 4 through the cylinder head joint 3, the exhaust valve 16 at the air inlet 14 can be opened under the action of the compressed gas, the compressed gas is discharged from the exhaust outer tube 5 through the gas transmission chamber 15, and when the compression cylinder 2 stops working, the return spring 17 pushes the exhaust valve 16 to close, so that dust and impurities are prevented from falling into the exhaust inner tube 4 from the exhaust outer tube 5, and the dustproof performance of the exhaust inner tube 4 is improved;

finally, the rubber air bag block 20 in the rubber backing ring 19 can be used for attaching and supporting the outer part of the exhaust inner pipe 4, so that the vibration generated when the exhaust inner pipe 4 exhausts is reduced, and the generated noise can be absorbed by matching with the sound absorption sponge ring 18, so that the noise elimination performance of the fastening bush 6 is effectively improved.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A compressor exhaust inner pipe connection structure, includes shell (1), its characterized in that: the air compressor is characterized in that a compression cylinder (2) is arranged inside the shell (1), a cylinder cover joint (3) is embedded in one side outside the compression cylinder (2), an exhaust outer pipe (5) is embedded in one side outside the shell (1), the cylinder cover joint (3) and the exhaust outer pipe (5) are connected through an exhaust inner pipe (4), fixed joints (7) are sleeved at two ends of the exhaust inner pipe (4), a sealing baffle cover (8) is arranged inside the cylinder cover joint (3), silica gel rubber rings (9) are arranged on two sides outside the sealing baffle cover (8), an annular groove (11) is formed in the top end inside the cylinder cover joint (3), a fixing ring (10) is arranged at the bottom end of the fixed joint (7), an air conveying cavity (15) is formed inside the fixed joint (7), and an air inlet (14) is formed in one side of the air conveying cavity (15), an exhaust valve (16) is installed at the air inlet (14), and the exhaust valve (16) is fixedly connected with the air transmission cavity (15) through a return spring (17).

2. A discharge inner pipe connection structure of a compressor as set forth in claim 1, wherein: the internal diameter of annular groove (11) equals the external diameter of solid fixed ring (10), locating hole (12) have evenly been seted up to annular groove (11) outside edge, gu fixed ring (10) both sides correspond locating hole (12) department and seted up the screw.

3. A discharge inner pipe connection structure of a compressor as set forth in claim 1, wherein: through fastening bush (6) fixed connection between exhaust inner tube (4) and shell (1), the inside embedding of fastening bush (6) has sound absorption sponge ring (18), fastening bush (6) inner wall is glued and is had rubber backing ring (19), rubber air bag piece (20) are evenly installed to rubber backing ring (19) inside.

4. A discharge inner pipe connection structure of a compressor as set forth in claim 1, wherein: an air outlet (13) is formed in the other side of the interior of the air transmission cavity (15), and the inner diameter of the air outlet (13) is equal to twice of the inner diameter of the air inlet (14).

5. A discharge inner pipe connection structure of a compressor as set forth in claim 3, wherein: the top end of the rubber air bag block (20) is provided with a limiting bracket (21).

6. A discharge inner pipe connection structure of a compressor as set forth in claim 1, wherein: the fixed plate is all installed to shell (1) bottom both sides, the fixed orifices has evenly been seted up to the fixed plate inside.