CN217682186U

CN217682186U - Novel air compressor valve plate

Info

Publication number: CN217682186U
Application number: CN202221130457.0U
Authority: CN
Inventors: 何义
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-05-12
Filing date: 2022-05-12
Publication date: 2022-10-28
Anticipated expiration: 2032-05-12

Abstract

The application relates to a novel air compressor valve plate, which comprises a plate body, an air inlet reed and an air inlet valve block, wherein the plate body is provided with an air inlet hole, the air inlet valve block is connected to the plate body, the air inlet valve block covers the air inlet hole, the air inlet valve block is sealed with the plate body, the air inlet valve block is provided with an air inlet groove, the air inlet reed is connected to one side, facing the plate body, of the air inlet valve block, one end of the air inlet reed is a free end, the free end of the air inlet reed covers the air inlet groove, the surface, facing the air inlet valve block, of the plate body is provided with an air inlet limiting surface, and the air inlet limiting surface is used for allowing the air inlet reed to be attached; and the air inlet groove is communicated with the air inlet hole under the condition that the free end of the air inlet reed is attached to the air inlet limiting surface. This application reduces the probability that the reed takes place plastic deformation through the deformation volume of the spacing face restriction reed that admits air to guarantee that the reed that admits air can shutoff air inlet duct, and then improve the life of valve plate.

Description

Novel air compressor valve plate

Technical Field

The application relates to the field of valve plates, in particular to a novel valve plate of an air compressor.

Background

The air compressor is always provided with a valve plate to realize one-way inlet and one-way outlet of air. Along with the development of science and technology, the range of application of air compressor machine is wider and wider, also higher and higher to the requirement of valve plate.

The current valve plate is always provided with an air inlet, an air outlet and an elastic sheet, wherein the elastic sheet is positioned on the surface of the valve plate facing to a cylinder body, and the surface of the elastic sheet facing to the valve plate is abutted against the valve plate and covers the air inlet. When the air pressure in the cylinder body is smaller than the air pressure outside the cylinder body, the elastic sheet is separated from the surface of the valve plate, so that the air enters the cylinder body.

The elastic sheet frequently breaks away from the surface of the valve plate, and the elastic sheet is easy to bend (i.e. generate plastic deformation) in the direction away from the valve plate to fail in the past, and the elastic sheet can be broken and fail in serious cases.

SUMMERY OF THE UTILITY MODEL

In order to improve the life of valve plate, this application provides a novel air compressor machine valve plate.

The application provides a valve plate adopts following technical scheme:

a novel air compressor valve plate comprises a plate body, an air inlet reed and an air inlet valve block, wherein the plate body is provided with an air inlet hole, the air inlet valve block is connected to the plate body, the air inlet valve block covers the air inlet hole, the air inlet valve block is sealed with the plate body, the air inlet valve block is provided with an air inlet groove, the air inlet reed is connected to the surface, facing the plate body, of the air inlet valve block, one end of the air inlet reed is a free end, the free end of the air inlet reed covers the air inlet groove, the surface, facing the air inlet valve block, of the plate body is provided with an air inlet limiting surface, and the air inlet limiting surface is used for the air inlet reed to be attached; and under the condition that the free end of the air inlet reed is attached to the air inlet limiting surface, the air inlet groove is communicated with the air inlet hole.

Through adopting above-mentioned technical scheme, when pressure in the cylinder body reduces, form pressure difference outside the cylinder body and make the free end of nearly gas reed move to the direction that is close to the plate body to communicate air inlet duct and inlet port and realize admitting air. The air inlet limiting surface is used for being abutted against the air inlet reed so as to limit the deformation amount of the air inlet reed. The probability of plastic deformation of the air inlet reed is reduced, so that the air inlet groove can be blocked by the air inlet reed, and the service life of the valve plate is prolonged.

Preferably, the distance from any point on the air inlet limiting surface to the surface of the air inlet valve block is reduced along with the approach of the connecting point of the air inlet reed and the air inlet valve block.

By adopting the technical scheme, when the air inlet reed is attached to the air inlet limiting surface, the deformation quantity of each point on the air inlet reed is gradually increased along with the distance from the connecting point of the air inlet reed and the air inlet valve block, so that the maximum curvature of the bent air inlet reed is limited, and the probability of plastic deformation of the air inlet reed is reduced.

Preferably, the surface of the plate body facing the air inlet valve block is provided with an installation groove, and the air inlet valve block is embedded into the installation groove; the inlet port with the tank bottom of mounting groove is all located to the spacing face that admits air.

Through adopting above-mentioned technical scheme for the tank bottom of mounting groove is located to the inlet port, in order to reduce the thickness of inlet port along plate body thickness direction, reduces the volume of inlet port, when using the valve plate to piston air compressor machine, is favorable to improving compression efficiency. The air inlet valve block is embedded into the mounting groove, so that the groove wall of the mounting groove is abutted to the periphery of the air inlet valve block, and the stability of the air inlet valve block is facilitated.

Preferably, the air inlet valve block with be equipped with the sealing washer between the plate body, the sealing washer encircle in the air inlet duct with the week side of inlet port.

Through adopting above-mentioned technical scheme, realize the sealing connection between admission valve piece and the plate body, during admitting air, gaseous admission chute, inlet port and entering into cylinder body in proper order prevent that gaseous from leaking.

Preferably, the sealing ring is embedded into the mounting groove, and the periphery of the sealing ring abuts against the groove wall of the mounting groove.

Through adopting above-mentioned technical scheme, utilize the cell wall of mounting groove to block that the sealing washer breaks away from the admission valve piece to guarantee that the sealing washer can realize the sealed between admission valve piece and the plate body.

Preferably, the air inlet convex block is connected to the surface, facing the air inlet valve block, of the plate body, and the surface, far away from the plate body, of the air inlet convex block is connected to the air inlet valve block; the periphery of the air inlet reed is abutted against the air inlet lug.

Through adopting above-mentioned technical scheme, the periphery butt of the reed that admits air is in order to carry on spacingly in the lug that admits air. The position of the air inlet reed is limited by the air inlet convex block, so that the air inlet reed can cover the air inlet groove.

Preferably, the surface of the air inlet valve block facing the plate body is provided with an air inlet groove, and the air inlet groove is used for embedding the air inlet lug.

Through adopting above-mentioned technical scheme, the lug of admitting air inlays to the recess that admits air in to the relative position between fixed air inlet valve piece and the plate body, and then guarantees that the air inlet valve piece can cover the inlet port.

Preferably, the sum of the depth of the air inlet groove and the thickness of the air inlet reed is not less than the thickness of the air inlet bump in the thickness direction of the plate body.

Through adopting above-mentioned technical scheme, when the lug of admitting air inlays in the recess that admits air for the admission valve piece can support tightly the reed that admits air and make the reed that admits air laminating admission valve piece, can cover the air inlet duct in order to guarantee the reed that admits air. Simultaneously, the air inlet reed is clamped through the air inlet valve block and the plate body, and the stability of the air inlet reed is improved.

Preferably, the surface of the air inlet valve block facing the plate body is provided with an air inlet dust collecting groove, and when the air inlet reed is attached to the air inlet valve block, the air inlet dust collecting groove is not communicated with the air inlet groove.

Through adopting above-mentioned technical scheme, during the admission, in the dust in the gas can enter into the dust collecting tank, reduce the dust and get into the probability between intake valve block and the reed free end that admits air, be favorable to improving near term reed and intake valve block's connection leakproofness.

Preferably, the air outlet reed comprises an air outlet reed and an air outlet valve block, the air outlet reed is connected to one side, facing the air outlet valve block, of the plate body, one end of the air outlet reed is a free end, the air outlet valve block is connected to the plate body, the plate body is provided with an air outlet hole, and the air outlet hole is covered by the air outlet valve block and the free end of the air outlet reed; the surface of the air outlet valve block facing the plate body is provided with an air outlet limiting surface, and the air outlet limiting surface is used for attaching the air outlet reed.

Through adopting above-mentioned technical scheme, when pressure increases in the cylinder body, the appearance forms pressure difference in the cylinder body and makes the free end of nearly gas reed remove to the direction that is kept away from the plate body to make gas go out from the venthole. The spacing face of giving vent to anger is used for the butt reed of giving vent to anger, can effectively prevent to give vent to anger the free end of reed and take place excessive removal and lead to the reed of giving vent to anger to buckle to effectively reduce the probability that the reed of giving vent to anger excessively buckles and lead to the elastic failure.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the air inlet limiting surface limits the deformation amount of the air inlet reed, reduces the probability of plastic deformation of the air inlet reed, ensures that the air inlet reed can block the air inlet groove, and further prolongs the service life of the valve plate;

2. the sealing ring realizes the sealing connection between the air inlet valve block and the plate body, so that the air entering from the air inlet groove enters the cylinder body through the air inlet;

3. the periphery of the air inlet reed is abutted to the air inlet convex block, and the position of the air inlet reed is limited by the air inlet convex block so as to ensure that the air inlet reed can cover the air inlet groove.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a novel air compressor valve plate.

Fig. 2 is a top view of a novel air compressor valve plate.

Fig. 3 isbase:Sub>A sectional view taken along linebase:Sub>A-base:Sub>A of fig. 2.

Fig. 4 is a sectional view taken along line B-B of fig. 2.

Fig. 5 is an exploded view of the present embodiment.

Fig. 6 is a cross-sectional view taken along line C-C of fig. 2.

Description of reference numerals: 1. a plate body; 11. an air inlet; 12. an air inlet limiting surface; 13. mounting grooves; 14. an air intake bump; 15. an air outlet; 16. an air outlet groove; 17. an air outlet dust collecting groove; 2. an intake valve block; 21. a sealing groove; 211. a seal ring; 22. an air inlet groove; 23. an air inlet dust collecting groove; 24. an air inlet groove; 3. an air intake reed; 4. an air outlet valve block; 41. an air outlet limiting surface; 42. an air outlet bump; 5. a gas outlet reed; 2442. and a weight reduction groove.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

Referring to fig. 1, the embodiment of the application discloses a novel air compressor valve plate, including plate body 1 and admission valve piece 2, admission valve piece 2 is connected in plate body 1. The surface that plate body 1 deviates from air intake valve block 2 is used for connecting the cylinder body, and the surface that plate body 1 is close to air intake valve block 2 is used for connecting the cylinder cap, and the cylinder cap is used for supporting air intake valve block 2 and makes air intake valve block 2 support plate body 1 tightly towards the surface of air intake valve block 2.

Referring to fig. 2 and 3, the surface of the plate body 1 facing the intake valve block 2 is provided with an installation groove 13, the intake valve block 2 is inserted into the installation groove 13, and the outer periphery of the intake valve block 2 abuts against the groove wall of the installation groove 13. The surface of the intake valve block 2 facing the plate body 1 is provided with an intake groove 22, and the intake groove 22 penetrates through the intake valve block 2 along the direction away from the plate body 1. An intake reed 3 is connected to the surface of the intake valve block 2 facing the plate body 1. One end of the intake reed 3 is a free end, and the free end of the intake reed 3 covers the intake groove 22.

In this embodiment, the intake valve block 2 is long, two intake grooves 22 are provided at intervals along the length direction of the intake valve block 2, and the profile of the intake reed 3 is similar to that of the intake valve block 2. The middle part of the length direction of the air inlet reed 3 is fixedly connected to the middle part of the length direction of the air inlet valve block 2, and the two ends of the air inlet reed 3 are free ends. Specifically, the middle part of the air inlet valve block 2 along the length direction of the air inlet reed is provided with a threaded hole, and a bolt penetrates through the middle part of the air inlet reed 3 along the length direction and then is connected into the threaded hole in a threaded mode, so that the air inlet valve block 2 is fixedly connected with the air inlet reed 3.

The bottom edge of the mounting groove 13 is provided with a sealing groove 21, and the sealing groove 21 extends along the circumferential direction of the mounting groove 13 to form a ring shape. A sealing ring 211 is embedded in the sealing groove 21, the sealing ring 211 is pressed by the surface of the intake valve block 2 facing the plate body 1, and the surface of the intake valve block 2 facing the plate body 1 abuts against the bottom of the mounting groove 13.

The tank bottom of mounting groove 13 is equipped with the spacing face 12 that admits air, and the distance of arbitrary point on the spacing face 12 that admits air to the surface of admission valve piece 2 reduces along with being close to the tie point of admission reed 3 with admission valve piece 2, and the spacing face 12 that admits air is used for supplying the admission reed 3 butt. The air inlet limiting surface 12 is provided with an air inlet hole 11, and the air inlet valve block 2 embedded in the mounting groove 13 covers the air inlet hole 11. Meanwhile, the air inlet hole 11 penetrates through the plate body 1 in a direction away from the air inlet valve block 2.

The intake groove 22 communicates with the intake hole 11 when the intake reed 3 is attached to the intake restricting surface 12. The projection of the sealing ring 211 on the surface of the plate body 1 is annular, and the projections of the air inlet groove 22 and the air inlet hole 11 on the surface of the plate body 1 are both positioned in the projection of the sealing ring 211. In this embodiment, there are two air inlet limiting surfaces 12, and each air inlet limiting surface 12 is provided with four air inlet holes 11. And a plurality of air inlet holes 11 on each air inlet limiting surface 12 are arranged at intervals around the axis of the air inlet groove 22.

The surface of the air inlet valve block 2 facing the plate body 1 is provided with an air inlet dust collecting groove 23, and the air inlet dust collecting groove 23 surrounds the outer side of the air inlet groove 22. When the intake reed 3 is attached to the intake valve block 2, the intake dust collecting groove 23 is not communicated with the intake groove 22.

Referring to fig. 4 and 5, an air inlet protrusion 14 is disposed at the bottom of the mounting groove 13, an air inlet groove 24 is disposed on the surface of the air inlet valve block 2 facing the plate body 1, and the air inlet protrusion 14 is embedded in the air inlet groove 24. The outer periphery of intake reed 3 abuts against intake projection 14, and the thickness of intake projection 14 in the thickness direction of plate body 1 is not greater than the sum of the groove depth of intake groove 24 and the thickness of intake reed 3. In this embodiment, the air inlet bump 14 is rectangular, and the corner of the air inlet bump 14 is provided with a round corner. Two intake lobes 14 are provided at intervals in the width direction of the intake valve block 2, and the intake reed 3 is located between the two intake lobes 14. The thickness of the intake protrusion 14 in the thickness direction of the plate body 1 is smaller than the sum of the groove depth of the intake groove 24 and the thickness of the intake reed 3. In other embodiments, the thickness of intake protrusion 14 in the thickness direction of plate body 1 is equal to the sum of the groove depth of intake groove 24 and the thickness of intake reed 3.

Referring to fig. 5 and 6, the novel valve plate for the air compressor comprises an air outlet valve block 4, wherein the air outlet valve block 4 is connected to the surface, facing the air inlet valve block 2, of the plate body 1. The surface of the plate body 1 close to the air outlet valve block 4 is connected with an air outlet reed 5. The surface of plate body 1 towards air outlet valve piece 4 is equipped with two ventholes 15, and venthole 15 runs through plate body 1 along the direction of keeping away from air outlet valve piece 4, and just outlet reed 5 and air outlet valve piece 4 all cover venthole 15.

In this embodiment, the plate body 1 is further provided with a thread groove, the thread groove is located between the two air outlet holes 15, and the bolt sequentially penetrates through the air outlet valve block 4 and the air outlet reed 5 and then is connected to the thread groove in a threaded manner.

The surface of the air outlet valve block 4 close to the plate body 1 is provided with an air outlet limiting surface 41, the air outlet limiting surface 41 is used for abutting the air outlet reed 5, and the distance from any point on the air outlet limiting surface 41 to the surface of the plate body 1 is reduced along with the connection point of the air outlet reed 5 and the plate body 1.

The surface of the plate body 1 facing the air outlet valve block 4 is provided with an air outlet dust collecting groove 17, and the air outlet dust collecting groove 17 is positioned at the periphery of the air outlet 15. When the free end of the air outlet reed 5 is far away from the plate body 1, the air outlet dust collecting groove 17 is communicated with the air outlet hole 15.

Referring to fig. 4 and 5, the surface of the plate body 1 facing the air outlet valve block 4 is provided with two air outlet grooves 16, and the two air outlet grooves 16 are positioned at two sides of the thread groove. And the distribution direction of the two air outlet grooves 16 is perpendicular to the distribution direction of the two air outlet holes 15. The surface of the air outlet valve block 4 facing the plate body 1 is provided with an air outlet bump 42, and the air outlet bump 42 is embedded into the air outlet groove 16. The periphery of outlet reed 5 is fitted to outlet bump 42, and the thickness of outlet bump 42 in the thickness direction of plate body 1 is not greater than the sum of the groove depth of outlet groove 16 and the thickness of outlet reed 5. In this embodiment, the thickness of the air outlet bump 42 along the thickness direction of the plate body 1 is smaller than the sum of the groove depth of the air outlet groove 16 and the thickness of the air outlet reed 5, the air outlet bump 42 is rectangular, and a corner of the air outlet bump 42 is provided with a fillet. In other embodiments, the thickness of escape bump 42 in the thickness direction of plate body 1 is equal to the sum of the groove depth of escape groove 16 and the thickness of escape reed 5.

Referring to fig. 1, the surfaces of the inlet valve block 2 and the outlet valve block 4 remote from the plate body 1 are each provided with a plurality of weight-reduction grooves 2442.

The implementation principle of this application embodiment a novel air compressor machine valve plate does: when the air pressure of the cylinder body is smaller than the air pressure outside the cylinder body, the free end of the air inlet reed 3 moves towards the direction close to the air inlet limiting surface 12, the air inlet groove 22 is communicated with the air inlet hole 11, and therefore air inlet is achieved. When the intake reed 3 abuts against the intake limiting surface 12, the intake limiting surface 12 limits the movement of the intake reed 3, and further limits the deformation amount of the intake reed 3, and can effectively prevent the intake reed 3 from bending. Because the outlet reed 5 is tightly abutted against the plate body 1 and covers the outlet hole 15, the outlet reed 5 cannot move along the air inlet direction, so that air cannot enter the cylinder body from the outlet hole 15, and unidirectional air inlet is realized.

When the air pressure of the cylinder body is greater than the air pressure outside the cylinder body, the free end of the air outlet reed 5 moves towards the direction close to the air outlet limiting surface 41, so that air outlet is realized. Because the air inlet reed 3 is tightly propped against the air inlet valve block 2, the air inlet reed 3 can not move along the air outlet direction, so that the air can not leave the cylinder body from the air inlet hole 11, and the unidirectional air outlet is realized.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a novel air compressor machine valve plate which characterized in that: the air inlet valve comprises a plate body (1), an air inlet reed (3) and an air inlet valve block (2), wherein the plate body (1) is provided with an air inlet hole (11), the air inlet valve block (2) is connected to the plate body (1), the air inlet valve block (2) covers the air inlet hole (11), the air inlet valve block (2) and the plate body (1) are sealed, the air inlet valve block (2) is provided with an air inlet groove (22), the air inlet reed (3) is connected to the surface, facing the plate body (1), of the air inlet valve block (2), one end of the air inlet reed (3) is a free end, the free end of the air inlet reed (3) covers the air inlet groove (22), the surface, facing the air inlet valve block (2), of the plate body (1) is provided with an air inlet limiting surface (12), and the air inlet limiting surface (12) is used for the air inlet reed (3) to be attached; and under the condition that the free end of the air inlet reed (3) is attached to the air inlet limiting surface (12), the air inlet groove (22) is communicated with the air inlet hole (11).

2. The novel air compressor valve plate according to claim 1, wherein: the distance from any point on the air inlet limiting surface (12) to the surface of the air inlet valve block (2) is reduced along with the approach of a connecting point of the air inlet reed (3) and the air inlet valve block (2).

3. The novel air compressor valve plate of claim 1, wherein: the surface of the plate body (1) facing the air inlet valve block (2) is provided with an installation groove (13), and the air inlet valve block (2) is embedded into the installation groove (13); the air inlet hole (11) and the air inlet limiting surface (12) are arranged at the bottom of the mounting groove (13).

4. The novel air compressor valve plate of claim 3, wherein: intake valve piece (2) with be equipped with sealing washer (211) between plate body (1), sealing washer (211) surround in air inlet duct (22) with the week side of inlet port (11).

5. The novel air compressor valve plate of claim 4, wherein: the sealing ring (211) is embedded into the mounting groove (13), and the periphery of the sealing ring (211) abuts against the groove wall of the mounting groove (13).

6. The novel air compressor valve plate according to claim 1, wherein: the air inlet lug (14) is connected to the surface, facing the air inlet valve block (2), of the plate body (1), and the surface, far away from the plate body (1), of the air inlet lug (14) is connected to the air inlet valve block (2); the periphery of the air inlet reed (3) is abutted against the air inlet lug (14).

7. The novel air compressor valve plate of claim 6, wherein: the surface of the air inlet valve block (2) facing the plate body (1) is provided with an air inlet groove (24), and the air inlet groove (24) is used for embedding the air inlet lug (14).

8. The novel air compressor valve plate of claim 7, wherein: the sum of the depth of the air inlet groove (24) and the thickness of the air inlet reed (3) is not less than the thickness of the air inlet lug (14) along the thickness direction of the plate body (1).

9. The novel air compressor valve plate of claim 1, wherein: and an air inlet dust collecting groove (23) is formed in the surface, facing the plate body (1), of the air inlet valve block (2), and when the air inlet reed (3) is attached to the air inlet valve block (2), the air inlet dust collecting groove (23) is not communicated with the air inlet groove (22).

10. The novel air compressor valve plate according to claim 1, wherein: the air outlet valve is characterized by comprising an air outlet reed (5) and an air outlet valve block (4), wherein the air outlet reed (5) is connected to the surface, facing the air outlet valve block (4), of a plate body (1), one end of the air outlet reed (5) is a free end, the air outlet valve block (4) is connected to the plate body (1), an air outlet hole (15) is formed in the plate body (1), and the air outlet hole (15) is covered by the air outlet valve block (4) and the free end of the air outlet reed (5); the surface of the air outlet valve block (4) facing the plate body (1) is provided with an air outlet limiting surface (41), and the air outlet limiting surface (41) is used for being attached to an air outlet reed (5).