CN210317681U

CN210317681U - Compressor air valve assembly

Info

Publication number: CN210317681U
Application number: CN201920745906.4U
Authority: CN
Inventors: 徐进; 黄忠文
Original assignee: Shenzhen Lianchuang Electromechanical Co ltd
Current assignee: Shenzhen Lianchuang Electromechanical Co ltd
Priority date: 2019-05-22
Filing date: 2019-05-22
Publication date: 2020-04-14
Anticipated expiration: 2029-05-22

Abstract

The utility model discloses a compressor air valve assembly, including piston, cylinder, gas valve plate, exhaust valve piece, air inlet valve piece, pressure piece board and top cap. The air valve plate is provided with an exhaust valve groove, an air inlet valve groove and a pressing sheet plate clamping groove. The pressure plate is arranged in the pressure plate clamping groove, and an exhaust valve hole and an air inlet valve hole are respectively arranged in the exhaust valve groove and the air inlet valve groove. The exhaust valve piece is attached to the exhaust valve hole, the air inlet valve piece is arranged in the air inlet valve hole, the valve pressing piece is reduced, the structure of the sealing rib is reduced, and the production cost and the operation error in assembly are reduced. Concave position on the spacing boss of second has with the protruding cooperation on the top cap and prevents slow-witted function, can effectually avoid misoperation during the assembly. Be equipped with the wave panel on the first spacing boss in the inside cavity of top cap, become the face contact of exhaust valve lamella and first spacing boss into line contact, area of contact reduces, the noise that produces when reducing the exhaust.

Description

Compressor air valve assembly

Technical Field

The utility model relates to an air valve assembly, especially a compressor air valve assembly.

Background

The air compressor is a main body of an air source device, and is a device for converting mechanical energy of a prime mover (usually, an electric motor) into gas pressure energy, and is an air pressure generating device for compressing air. Air compressors can be divided into: refrigerator compressors, air conditioning compressors, refrigeration compressors, compressors for oil fields, compressors for natural gas filling stations, rock drills, pneumatic tools, vehicle brakes, doors and windows for opening and closing, textile machinery, tires for inflating, compressors for plastic machinery, mining compressors, marine compressors, medical compressors, sand blasting and paint spraying.

At present, the air compressor produced in China generally adopts a three-layer plate structure, and the requirement on processing of parts is higher, so that the assembly difficulty is increased, and the production cost is higher. Meanwhile, the difficulty of the air outlet valve sheet and the air inlet valve sheet is high during assembly, and the noise is high during operation.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a compressor air valve component which has lower cost and is easy to assemble.

The utility model provides a technical scheme that its technical problem adopted is:

an air valve assembly of a compressor comprises a piston, an air cylinder, an air valve plate, an exhaust valve plate, an air inlet valve plate, a pressing plate and a top cover. The air valve plate is provided with an exhaust valve groove, an air inlet valve groove and a pressing plate clamping groove, the pressing plate is installed in the pressing plate clamping groove, an exhaust valve hole is formed in the exhaust valve groove, and an air inlet valve hole is formed in the air inlet valve groove. The exhaust valve piece is attached to the exhaust valve hole, the air inlet valve piece is arranged in the air inlet valve hole, the pressure plate is provided with an air inlet, the joint of the air valve plate and the top cover is provided with a first sealing device, and the air inlet valve piece and the exhaust valve piece are made of elastomer materials. The top cover is internally provided with a cavity, a limiting column and a first limiting boss are arranged in the cavity of the top cover, the first limiting boss is arranged at the position corresponding to the exhaust valve hole in the cavity of the top cover, and the limiting column is located at the position corresponding to the pressure plate in the cavity of the top cover and used for compressing the pressure plate. The piston is arranged in the cylinder, and a second sealing device is arranged at the joint of the cylinder and the valve plate.

As an improvement of the technical scheme, the first limiting boss is provided with a wavy panel and a pressing plate platform, and the wavy panel is used for limiting the bouncing angle of the exhaust valve sheet. The wavy panel and the pressing plate table are integrally formed in the top cover cavity.

As a further improvement of the technical scheme, a noise reduction groove is arranged on the exhaust valve plate and corresponds to the pressure plate table.

As an improvement of the technical scheme, a second limiting boss is arranged at the front end of the mounting position of the exhaust valve sheet, and a concave position is arranged on the second limiting boss. And a bulge is arranged at the position matched with the concave position on the top cover.

As an improvement of the technical scheme, the first sealing device is positioned at the joint of the air valve plate and the top cover, and the joint of the air valve plate and the top cover comprises the peripheries of the exhaust valve groove and the air inlet valve groove. The first sealing device is a sealing rib.

The utility model has the advantages that: the utility model discloses a compressor air valve subassembly is built-in through the air inlet valve, has reduced the valve preforming, and then has reduced the structure of sealed muscle, has reduced the maloperation that produces in manufacturing cost and the assembly. The concave position of a second limiting boss arranged at the front end of the mounting position of the exhaust valve sheet is matched with the bulge on the top cover, and the fool-proof function is achieved. The noise reduction groove is formed in the position, corresponding to the pressure plate table, of the exhaust valve disc, noise can be effectively reduced, meanwhile, the wavy panel is arranged on the first limiting boss, surface contact between the exhaust valve disc and the first limiting boss is changed into line contact, the contact area is reduced, and noise generated during exhaust can be reduced.

Drawings

The present invention will be further explained with reference to the drawings and examples.

FIG. 1 is an exploded view of a compressor valve assembly;

FIG. 2 is a schematic view of the assembly of the air valve plate in the present invention;

fig. 3 is a schematic structural diagram of the middle top cover of the present invention;

FIG. 4 is a schematic structural view of the air valve plate in the present invention;

fig. 5 is a schematic structural view of another angle of the middle top cover of the present invention.

1. A gas valve plate; 11. a vent valve groove; 111. an exhaust valve hole; 12. an air inlet valve groove; 121. An inlet valve bore; 13. a clamping groove of the pressing plate; 14. a second limit boss; 15. a protrusion; 2. a piston; 3. a cylinder; 4. an exhaust valve plate; 5. an air inlet valve plate; 6. a pressing plate; 61. an air inlet; 7. a top cover; 71. a first limit boss; 711. a wave-shaped panel; 712. a platen table; 72. a limiting column; 8. a first sealing device; 9. and a second sealing device.

Detailed Description

The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention all belong to the protection scope of the present invention. In addition, all the connection/connection relations referred to in the patent do not mean that the components are directly connected, but mean that a better connection structure can be formed by adding or reducing connection auxiliary components according to specific implementation conditions. The utility model discloses each technical feature in the creation can the interactive combination under the prerequisite that does not contradict conflict each other.

Referring to fig. 1 and 2, the compressor air valve assembly is characterized by comprising a piston 2, a cylinder 3, an air valve plate 1, an exhaust valve plate 4, an intake valve plate 5, a pressure plate 6 and a top cover 7. Air valve board 1 is provided with discharge valve recess 11, admission valve recess 12 and pressure plate draw-in groove 13, be equipped with exhaust valve hole 111 in the discharge valve recess 11, be equipped with inlet valve hole 121 in the admission valve recess 12. Exhaust valve piece 4 laminates on exhaust valve hole 111, places in intake valve piece 5 in intake valve hole 121, be provided with air inlet 61 on the pressure plate 6, the junction of gas valve board 1 and top cap 7 is provided with first sealing device 8, intake valve piece 5 and exhaust valve piece 4 all adopt elastomer material to make. The inside cavity that is provided with of top cap 7, be provided with spacing post 72, first spacing boss 71 in the inside cavity of top cap 7, first spacing boss 71 sets up in the inside cavity of top cap 7 with the corresponding position of exhaust valve hole 111, spacing post 72 is two, is located the corresponding position of top cap 7 cavity with pressure plate 6 for compress tightly pressure plate 6. The piston 2 is arranged in the cylinder 3, and a second sealing device 9 is arranged at the joint of the cylinder 3 and the valve plate.

Referring to fig. 2 and 3, the first limit boss 71 is provided with a wavy panel 711 and a pressing plate platform 712, and the wavy panel 711 and the pressing plate platform 712 are integrally formed in the cavity of the top cover. The wavy panel changes the surface contact of the exhaust valve sheet 4 and the first limit boss 71 into line contact, and because the intake valve sheet 5 and the exhaust valve sheet 4 are both made of elastomer materials, when the exhaust valve hole 111 exhausts, the position of the exhaust valve sheet 4 which is not pressed by the pressing plate platform 712 is flushed by gas, and the flushed exhaust valve sheet 4 is in line contact with the wavy panel 711, so that the noise generated during the contact is reduced compared with the surface contact. Meanwhile, a noise reduction groove is arranged on the exhaust valve plate 4 corresponding to the pressure plate platform 712. The noise reduction groove reduces the contact area between the exhaust valve disk 4 and the platen 712, and also effectively reduces the noise generated during exhaust.

Referring to fig. 4 and 5, a second limiting boss 14 is arranged at the front end of the mounting position of the exhaust valve plate 4, and a concave position is arranged on the second limiting boss 14. A bulge 15 is arranged at the position matched with the concave position on the top cover. Concave position and protruding 15 cooperation installation, concave position on the spacing boss 14 of second has the foolproof function with protruding 15 cooperation on the top cap, can effectually avoid the error of operation when the assembly. First sealing device is the sealing rib, is located the junction of gas valve board 1 and top cap 7, the junction of gas valve board and top cap contains the periphery of discharge valve recess 11 and admission valve recess 12, and the cost has still been reduced effectively when the sealing performance is guaranteed to the sealing rib of simplified structure.

While the preferred embodiments of the present invention have been described, the present invention is not limited to the above embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are intended to be included within the scope of the present invention as defined by the appended claims.

Claims

1. An air valve assembly of a compressor is characterized by comprising an air valve plate (1), a piston (2), a cylinder (3), an exhaust valve sheet (4), an air inlet valve sheet (5), a pressure sheet plate (6) and a top cover (7), wherein the air valve plate (1) is provided with an exhaust valve hole (111), an air inlet valve hole (121) and a pressure sheet plate clamping groove (13); the exhaust valve plate (4) is attached to the exhaust valve hole (111), the air inlet valve plate (5) is arranged in the air inlet valve hole (121), a first sealing device (8) is arranged at the joint of the air valve plate (1) and the top cover (7), and the air inlet valve plate (5) and the exhaust valve plate (4) are both made of elastomer materials; the inner part of the top cover (7) is provided with a cavity, a first limit boss (71) and a limit column (72) are arranged in the cavity inside the top cover (7), the first limit boss (71) is arranged in the position corresponding to the exhaust valve hole (111) in the cavity inside the top cover (7), and the limit column (72) is located in the position corresponding to the pressure plate (6) in the cavity inside the top cover and used for compressing the pressure plate (6).

2. The compressor valve assembly as set forth in claim 1 wherein: the first limiting boss (71) is provided with a wavy panel (711) and a pressing plate platform (712), and the wavy panel (711) is used for limiting the bouncing angle of the exhaust valve sheet (4).

3. A compressor valve assembly according to claim 2 wherein: the wavy panel (711) and the pressure plate table (712) are integrally formed in the cavity of the top cover.

4. A compressor valve assembly according to claim 3 wherein: and a noise reduction groove is arranged on the exhaust valve sheet (4) corresponding to the pressure plate platform (712).

5. The compressor valve assembly as set forth in claim 1 wherein: an air inlet (61) is arranged on the pressure plate (6).

6. The compressor valve assembly as set forth in claim 4 wherein: the pressing sheet plate (6) is arranged in the pressing sheet plate clamping groove (13).

7. The compressor valve assembly as set forth in claim 1 wherein: the front end of the installation position of the exhaust valve sheet (4) is provided with a second limiting boss (14), the second limiting boss is provided with a concave position, and a protrusion (15) is arranged on the top cover and matched with the concave position.

8. The compressor valve assembly as set forth in claim 1 wherein: the piston (2) is arranged in the cylinder (3), and a second sealing device (9) is arranged at the joint of the cylinder (3) and the air valve plate (1).

9. The compressor valve assembly as set forth in claim 1 wherein: the air valve plate (1) is provided with an exhaust valve groove (11) and an air inlet valve groove (12), the first sealing device (8) is located at the joint of the air valve plate (1) and the top cover (7), and the joint of the air valve plate (1) and the top cover (7) contains the peripheries of the exhaust valve groove (11) and the air inlet valve groove (12).

10. The compressor valve assembly as set forth in claim 1 wherein: the first sealing device (8) is a sealing rib.