CN215214736U

CN215214736U - Symmetrical air valve for air compressor

Info

Publication number: CN215214736U
Application number: CN202023297784.9U
Authority: CN
Inventors: 宋长明; 杨文辉; 李海宁
Original assignee: Nanjing Xinyuan Marine Compressor Co ltd
Current assignee: Nanjing Xinyuan Marine Compressor Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-12-17
Anticipated expiration: 2030-12-30

Abstract

The utility model discloses a symmetry pneumatic valve for on air compressor, the guide holder cover is located down on the outer wall of disk seat, go up disk seat and disk seat fixed connection down, and go up the disk seat and contradict the guide holder on disk seat down, valve gap and last disk seat fixed connection, the symmetry is equipped with two lower gas pockets on disk seat down, be equipped with the gas pocket in the axle center direction of valve gap, the valve block is arranged in down on the up end of disk seat, and the outer periphery sliding connection of valve block is on the guide holder, the spring housing is established on the valve block, the bottom of spring is contradicted on the valve block, the valve block is sealed with two lower gas pockets. The utility model discloses simple structure, the valve block up-and-down motion leads through the guide holder, and the motion is stable, and the valve block comprises upper fixed ring, lower fixed ring and gasket, and bulk strength is high, long service life, and the gasket is whole to be pasted under on the up end of disk seat, and the leakproofness is good.

Description

Symmetrical air valve for air compressor

The technical field is as follows:

the utility model relates to a symmetry pneumatic valve for on air compressor.

Background art:

the valve plate of the air valve of the existing air compressor is lack of guidance quality, and is easy to displace, so that the sealing performance is reduced, and therefore, the prior art is necessarily improved to solve the defects of the prior art.

The invention content is as follows:

the utility model provides a symmetrical pneumatic valve for air compressor is last in order to solve the problem that above-mentioned prior art exists.

The utility model discloses the technical scheme who adopts has:

the utility model provides a symmetry pneumatic valve for on air compressor, includes disk seat, lower disk seat, valve block, spring, guide holder and valve gap, on the outer wall of disk seat was located down to the guide holder cover, go up disk seat and lower disk seat fixed connection, and go up the disk seat and contradict the guide holder on lower disk seat, valve gap and last disk seat fixed connection, the symmetry is equipped with two gas pockets down on lower disk seat, be equipped with the gas pocket on the axle center direction of valve gap, the valve block is arranged in on the up end of lower disk seat, and the outer periphery sliding connection of valve block is on the guide holder, the spring housing is established on the valve cover, the bottom of spring is contradicted on the valve block, the valve block is closed two gas pockets down.

Furthermore, the valve block comprises an upper fixing ring, a lower fixing ring and a sealing piece, a groove is formed in the lower end face of the upper fixing ring, the size of the groove is matched with that of the sealing piece, the sealing piece is arranged in the groove, the lower fixing ring is attached to the lower end face of the upper fixing ring, a screw penetrates through the upper fixing ring, the lower fixing ring and the sealing piece and fixes the upper fixing ring, the lower fixing ring and the sealing piece, and a plurality of sliding ribs are uniformly distributed on the outer circumferential wall of the lower fixing ring.

Furthermore, a sliding groove matched with the sliding rib is formed in the inner wall of the guide seat.

Furthermore, the upper end face of the lower valve seat is provided with a first step portion, the lower fixing ring is arranged in the first step portion, and the sealing piece abuts against the upper end face of the lower valve seat.

Further, a second step portion is arranged on the outer wall of the valve cover, the step surface of the second step portion is of an inwards-concave arc-shaped structure, and the top end of the spring abuts against the step surface of the second step portion.

Furthermore, a sealing ring is arranged between the lower valve seat and the guide seat.

Further, the movement stroke of the valve plate is not more than 1.5 cm.

The utility model discloses following beneficial effect has:

the utility model discloses simple structure, the valve block up-and-down motion leads through the guide holder, and the motion is stable, and the valve block comprises upper fixed ring, lower fixed ring and gasket, and bulk strength is high, long service life, and the gasket is whole to be pasted under on the up end of disk seat, and the leakproofness is good.

Description of the drawings:

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

Fig. 2 is a structural diagram of the middle valve plate of the present invention.

Fig. 3 is an enlarged view of the installation of the middle valve plate.

FIG. 4 is a top view of the lower retainer ring of the valve plate of FIG. 2.

The specific implementation mode is as follows:

the present invention will be further described with reference to the accompanying drawings.

As fig. 1 to 4, the utility model relates to a symmetry pneumatic valve for on air compressor, including last disk seat 1, lower disk seat 2, valve block 3, spring 4, guide holder 5 and valve gap 6, guide holder 5 covers locates on the outer wall of lower disk seat 2, the up end of guide holder 5 is higher than the up end of lower disk seat 2, go up disk seat 1 and lower disk seat 2 fixed connection, and go up disk seat 1 and contradict guide holder 5 on lower disk seat 2, valve block 6 and last disk seat 1 fixed connection, the symmetry is equipped with two lower gas pockets 21 on lower disk seat 2, be equipped with gas pocket 61 in the axle center direction of valve gap 6, valve block 3 is arranged in on the up end of lower disk seat 2, and the outer periphery wall sliding connection of valve block 3 is on guide holder 5, the cover is established on valve block 6 for spring 4, the bottom of spring 4 is contradicted on valve block 3, valve block 3 seals two lower gas pockets 21. The moving stroke of the valve plate 3 in the guide seat 5 is not more than 1.5 cm.

The utility model discloses a valve block 3 includes upper fixed ring 31, lower fixed ring 32 and gasket 33, is equipped with recess 34 on upper fixed ring 31's lower terminal surface, the size of recess 34 and the big or small looks adaptation of gasket 33, and in recess 34 was arranged in to gasket 33, lower fixed ring 32 laminated with upper fixed ring 31's lower terminal surface mutually, and the screw passed upper fixed ring 31, lower fixed ring 32 and gasket 33 and fixed the three.

In order to connect the lower fixing ring 32 to the guide base 5 in a sliding manner, a plurality of sliding ribs 35 are uniformly distributed on the outer circumferential wall of the lower fixing ring 32, and sliding grooves matched with the sliding ribs 35 are formed in the inner wall of the guide base 5.

In order to make the sealing sheet 33 more tightly abut against the upper end surface of the lower valve seat 2, a first step portion 22 is provided on the upper end surface of the lower valve seat 2, the lower fixing ring 32 is disposed in the first step portion 22, and the sealing sheet 33 abuts against the upper end surface of the lower valve seat 2.

Set up first step portion 22 on lower valve seat 2, first step portion 22 is used for accomodating lower fixing ring 32, avoids lower fixing ring 32 to contradict on lower valve seat 2, and when spring 4 contradicted upper fixing ring 31, can be so that sealing strip 33 seals lower valve seat 2's whole up end, guarantees sealed effect.

The outer wall of the valve cover 6 is provided with a second step part 62, the upper end of the spring 4 is sleeved on the second step part 62, so that the spring 4 can be better positioned, the step surface of the second step part 62 is of an inward concave arc-shaped structure, and the top end of the spring 4 abuts against the step surface of the second step part 62.

And a sealing ring 8 is arranged between the lower valve seat 2 and the guide seat 5, so that the sealing effect is ensured.

The utility model discloses simple structure, the valve block 3 up-and-down motion leads through guide holder 5, and the motion is stable, and valve block 3 comprises upper fixed ring 31, lower fixed ring 32 and gasket 33, and bulk strength is high, long service life, and the gasket is whole to be pasted on the up end of disk seat 2 down, and the leakproofness is good.

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

Claims

1. A symmetrical pneumatic valve for on air compressor which characterized in that: comprises an upper valve seat (1), a lower valve seat (2), a valve plate (3), a spring (4), a guide seat (5) and a valve cover (6), the guide seat (5) is sleeved on the outer wall of the lower valve seat (2), the upper valve seat (1) is fixedly connected with the lower valve seat (2), the upper valve seat (1) pushes the guide seat (5) against the lower valve seat (2), the valve cover (6) is fixedly connected with the upper valve seat (1), two lower air holes (21) are symmetrically arranged on the lower valve seat (2), an upper air hole (61) is arranged in the axis direction of the valve cover (6), the valve plate (3) is arranged on the upper end surface of the lower valve seat (2), the outer circumferential wall of the valve plate (3) is connected to the guide seat (5) in a sliding mode, the spring (4) is sleeved on the valve cover (6), the bottom end of the spring (4) abuts against the valve plate (3), and the valve plate (3) seals the two lower air holes (21).

2. A symmetrical air valve for use in an air compressor as claimed in claim 1 wherein: valve block (3) are including last fixed ring (31), lower fixed ring (32) and sealing strip (33), are equipped with recess (34) on the lower terminal surface of last fixed ring (31), the size of recess (34) and the size looks adaptation of sealing strip (33), sealing strip (33) are arranged in recess (34), lower fixed ring (32) is laminated with the lower terminal surface of last fixed ring (31) mutually, the screw passes last fixed ring (31), lower fixed ring (32) and sealing strip (33) and fixes the three, the equipartition has a plurality of smooth muscle (35) on the outer circumferential wall of lower fixed ring (32).

3. The symmetrical air valve for use in an air compressor as claimed in claim 2, wherein: and a sliding groove matched with the sliding rib (35) is arranged on the inner wall of the guide seat (5).

4. The symmetrical air valve for use in an air compressor as claimed in claim 2, wherein: the upper end face of lower valve seat (2) is equipped with first step portion (22), and in first step portion (22) was arranged in to lower solid fixed ring (32), gasket (33) contradicted on the upper end face of lower valve seat (2).

5. A symmetrical air valve for use in an air compressor as claimed in claim 1 wherein: the outer wall of the valve cover (6) is provided with a second step part (62), the step surface of the second step part (62) is of an inwards concave arc-shaped structure, and the top end of the spring (4) is abutted against the step surface of the second step part (62).

6. A symmetrical air valve for use in an air compressor as claimed in claim 1 wherein: and a sealing ring (8) is arranged between the lower valve seat (2) and the guide seat (5).

7. A symmetrical air valve for use in an air compressor as claimed in claim 1 wherein: the movement stroke of the valve plate (3) is not more than 1.5 cm.