CN210265070U

CN210265070U - Compressor discharge valve with magnetism valve block

Info

Publication number: CN210265070U
Application number: CN201920728924.1U
Authority: CN
Inventors: 何光彦; 濮蕾
Original assignee: Yangzhou Baohua Air Valve Co Ltd
Current assignee: Yangzhou Baohua Air Valve Co Ltd
Priority date: 2019-05-20
Filing date: 2019-05-20
Publication date: 2020-04-07
Anticipated expiration: 2029-05-20

Abstract

The utility model discloses a compressor discharge valve with magnetism valve block belongs to compressor technical field. The exhaust valve solves the problems that the valve plate in the existing exhaust valve is poor in sealing effect, the exhaust valve consumes large energy and the like. This compressor discharge valve includes disk seat, valve block, spring and the valve gap that sets gradually from bottom to top, disk seat and valve gap link to each other, a plurality of inlet channel have been seted up on the disk seat, a plurality of outlet channel have been seted up on the valve gap, the spring sets up on the valve gap and supports the valve block inlet channel's export, makes inlet channel and outlet channel airtight, the valve block is for having magnetic material preparation. The exhaust valve of the compressor has the advantages of good sealing effect of the valve plate and improvement of the working efficiency of the compressor.

Description

Compressor discharge valve with magnetism valve block

Technical Field

The utility model belongs to the technical field of the compressor, concretely relates to compressor discharge valve with magnetism valve block.

Background

The compressor is one of the important equipment of modern industry, and discharge valve is one of the key parts of piston compressor, and its performance has directly influenced compressor's work efficiency and reliability, and current discharge valve generally comprises spring + valve block formula, compresses tightly the valve block through spring force and forms sealedly, and discharge valve of this form has some deficiencies, and 1, only rely on spring pressure to restrict the valve block can not be fine assurance sealed effect. 2. When the compressor does work, the high-pressure gas can push the valve plate to discharge out of the air valve only by overcoming the elastic force of the spring, so that the energy consumption is large, and the efficiency of the compressor is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a compressor discharge valve that sealed effectual, improved compressor efficiency exists to prior art not enough.

The technical scheme is as follows: in order to realize the purpose, the utility model discloses a technical scheme as follows:

the utility model provides a compressor discharge valve with magnetism valve block, includes disk seat, valve block, spring and the valve gap that sets gradually from bottom to top, disk seat and valve gap link to each other, a plurality of inlet channel have been seted up on the disk seat, a plurality of air outlet channel have been seted up on the valve gap, the spring sets up on the valve gap and supports the valve block inlet channel's export, makes inlet channel and air outlet channel airtight, the valve block is for having magnetic material preparation.

The valve plate has magnetism, magnetic force can be generated between the valve plate and the valve seat made of metal materials, the valve plate and the valve seat are matched with the elastic force of the spring to act together, the acting force of the valve plate on the valve seat is increased, and the sealing effect of the valve plate is improved. Compared with the common exhaust valve with the spring force designed to act on the valve plate alone, the valve plate with the magnetic force can reduce the influence of the vibration and unstable airflow of the exhaust valve on the position deviation of the valve plate when the valve plate moves up and down, and the working reliability of the valve plate is improved.

Furthermore, the valve plate is made of a metal material with permanent magnetism. The valve plate made of the permanent magnetic metal material can ensure the rigidity of the valve plate, and has good impact resistance and durability.

Furthermore, the outer layer of the valve plate is wrapped with a layer of wear-resistant composite material with certain elasticity, the thicknesses of the composite material at the upper end and the lower end of the valve plate are different, and the thickness of one end close to the valve seat is thinner than that of one end close to the valve cover. The composite material has certain elasticity, can improve the sealing effect of the valve plate, can be made of engineering plastics with excellent wear resistance, high temperature resistance and scratch resistance, and can play a role in protecting the internal permanent magnetic metal material. The end close to the valve seat is relatively thin, so that larger attracting magnetic force can be obtained than the end close to the valve cover.

Furthermore, a spring groove is formed in the valve cover, the spring is located in the spring groove, and the spring groove plays a role in limiting the lift of the valve plate. The arrangement of the spring groove can stabilize the moving space of the spring, prevent the spring from deflecting or inclining, and also can keep the moving range of the valve plate between the valve seat and the valve cover at a proper value, thereby ensuring the working stability of the valve plate.

Furthermore, the valve plate is divided into an inner layer and an outer layer, the inner layer is a metal plate and a magnet plate arranged below the metal plate in a close suction manner, and the outer layer is a wrapping layer made of a protective material. The metal piece and the magnet piece of inlayer set up make and the disk seat between magnetic force great relatively, the metal piece and the magnet piece of inlayer can be protected to outer parcel layer.

Furthermore, the valve seat and the valve cover are connected in series through a stud bolt penetrating through the center of the valve seat and the valve cover or are connected through a plurality of bolts around the valve seat and the valve cover in a threaded mode. The different appearance structures of the connection mode are different, so that the compressor can be suitable for more different compressor structures.

Has the advantages that: compared with the prior art, the utility model has the advantages of it is following:

1) the valve plate is matched with the valve seat tightly by means of the elastic force of the spring and the magnetic force of the valve plate, so that the sealing performance is improved, and the stability of the valve plate during up-and-down movement is improved;

2) because the valve block 2 can be attracted on the valve seat with magnetism, a spring with low elasticity coefficient can be selected when the spring is selected, the energy consumed by the high-pressure pneumatic force of the compressor to overcome the elasticity of the spring can be reduced when the compressor works, and the magnetic attraction of one end of the valve cover can play a relatively large role when the valve block is far away from the valve seat, so that the work efficiency of the compressor is further improved by well keeping the combined action of the valve block lift position and the valve block.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a sectional view of the valve plate of FIG. 1;

FIG. 3 is a schematic structural view of another embodiment;

FIG. 4 is a sectional view of the valve sheet of FIG. 3.

Detailed Description

The present invention will be further clarified by the following embodiments, which are implemented on the premise of the technical solution of the present invention, and it should be understood that these embodiments are only used for explaining the present invention and are not used for limiting the scope of the present invention.

Example one

As shown in fig. 1 and 2, a compressor exhaust valve with a magnetic valve plate comprises a valve seat 1 and a valve plate 2 which are sequentially arranged from bottom to top, a spring 3 and a valve cover 4, wherein the valve seat 1 and the valve cover 4 are connected in series through a stud 8 penetrating through the center of the valve seat 1, a plurality of air inlet channels 5 are arranged on the valve seat 1, a plurality of air outlet channels 6 are arranged on the valve cover 4, a spring groove 41 is arranged on the valve cover 4, the spring 3 is arranged in the spring groove 41, the valve plate 2 is abutted to an outlet of the air inlet channels 5, the air inlet channels 5 and the air outlet channels 6 are closed, the spring groove 41 plays a role in limiting the working lift of the valve plate 2, high-pressure gas enters from the air inlet channels 5 during working and overcomes the acting force between the valve plate 2 and the valve seat.

As shown in fig. 2, the valve plate 2 is a metal plate made of a metal material with permanent magnetism, the outer layer is wrapped by a layer of wear-resistant composite material 7 with certain elasticity, the composite material 7 has certain elasticity and can deform, the valve plate 2 can be better sealed when abutting against the valve seat 1, the sealing effect is improved, the valve plate can be made of engineering plastics with excellent wear resistance, high temperature resistance and scratch resistance, and the stability and reliability of the composite material 7 in long-time work can be improved.

The composite material 7 has different thicknesses at the upper end and the lower end of the valve plate 2, and the thickness of the end close to the valve seat 1 is thinner than that of the end close to the valve cover 4. The metal valve plate 2 with permanent magnetism has magnetic attraction to the valve seat 1 and the valve cover 4 which are made of metal materials, the thickness of the composite material 7 layer close to the end of the valve cover 4 is thick, the attraction force between the valve plate 2 and the valve cover 4 can be weakened, and when the valve plate 2 is reset, the elastic force of the spring is larger than the magnetic attraction force between the valve plate 2 and the valve cover 4, so that the valve plate 2 is propped against the valve seat 1 again.

When the compressor does work, high-pressure gas is generated and enters from the air inlet channel 5, the pressure of the high-pressure gas is greater than the acting force between the valve plate 2 and the valve seat 1, so that the valve plate 2 is pushed open to enter the air outlet channel 6 and is discharged. Valve block 2 is kept away from disk seat 1 under high-pressure gas's effort during, magnetic force between valve block 2 and the disk seat 1 weakens because the distance increases, and magnetic force between valve block 2 and the valve gap 4 increases because the distance reduces for valve block 2 keeps in the position by pushing away more easily, the utility model discloses a spring 3 is only one of the effort of propping against valve block 2, so the coefficient of elasticity is little than the coefficient of elasticity of general discharge valve spring, so high-pressure gas pushes away the resistance that valve block 2 met when discharging always and just little, and the energy of consumption is less than general discharge valve, thereby has reduced the power that the compressor consumed, has further improved the work efficiency of compressor.

Example two

The second embodiment is basically the same as the first embodiment in structure and principle, and the difference lies in: as shown in fig. 3, the valve seat 1 and the valve cover 4 are connected by a plurality of bolts 9 around the valve seat and the valve cover, so that the appearance structure of the compressor exhaust valve has no redundant bolt protruding parts and can be suitable for different structural places; as shown in fig. 4, the valve plate 2 is divided into an inner layer and an outer layer, the inner layer is a metal plate 21 and a magnet plate 22 which are closely attracted, the magnet plate 22 is located below the metal plate 21 and is closer to the valve seat 1, so that the magnetic force of one end of the valve plate 2 close to the valve seat 1 is ensured to be larger, the magnetism is more reliable, the outer layer is a wrapping layer made of a protective material 23, and the material of the wrapping layer can be the same as that of the composite material 7 in the first embodiment.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a compressor discharge valve with magnetism valve block which characterized in that: including disk seat (1), valve block (2), spring (3) and valve gap (4) that set gradually from bottom to top, disk seat (1) and valve gap (4) link to each other, a plurality of inlet channel (5) have been seted up on disk seat (1), a plurality of air outlet channel (6) have been seted up on valve gap (4), spring (3) set up on valve gap (4) and support valve block (2) the export of inlet channel (5) makes inlet channel (5) and air outlet channel (6) airtight, valve block (2) are for having magnetic material preparation.

2. The discharge valve of compressor with magnetic valve plate of claim 1, wherein: the valve plate (2) is made of a metal material with permanent magnetism.

3. The discharge valve of compressor with magnetic valve plate of claim 2, wherein: the outer layer of the valve plate (2) is wrapped by a layer of wear-resistant composite material (7) with certain elasticity, the thicknesses of the upper end and the lower end of the valve plate (2) of the composite material (7) are different, and the thickness of one end close to the valve seat (1) is thinner than that of one end close to the valve cover (4).

4. The discharge valve of compressor with magnetic valve plate of claim 1, wherein: the valve cover (4) is provided with a spring groove (41), the spring (3) is located in the spring groove (41), and the spring groove (41) plays a role in limiting the lift of the valve plate (2).

5. The discharge valve of compressor with magnetic valve plate of claim 1, wherein: the valve plate (2) is divided into an inner layer and an outer layer, the inner layer is a metal plate (21) and a magnet plate (22) arranged below the metal plate, the magnet plate is tightly attracted, and the outer layer is a wrapping layer made of a protective material (23).

6. The discharge valve of compressor with magnetic valve plate of claim 1, wherein: the valve seat (1) and the valve cover (4) are connected in series through a stud bolt (8) penetrating through the center of the valve seat or are connected in a threaded mode through a plurality of bolts (9) on the periphery of the valve seat.