CN218094441U

CN218094441U - Air storage tank air inlet one-way valve of air compressor

Info

Publication number: CN218094441U
Application number: CN202222186301.0U
Authority: CN
Inventors: 林帮法; 陈棉续; 林新建
Original assignee: ZHEJIANG AUARITA PNEUMATIC TOOLS LLC
Current assignee: ZHEJIANG AUARITA PNEUMATIC TOOLS LLC
Priority date: 2022-08-18
Filing date: 2022-08-18
Publication date: 2022-12-20
Anticipated expiration: 2032-08-18

Abstract

The utility model provides a gas holder check valve that admits air of air compressor machine belongs to air compressor machine technical field. The air inlet check valve solves the problems that a sealing block in the existing check valve is poor in moving stability and the structure of the air inlet check valve is complex. This gas holder check valve that admits air of air compressor machine, including valve body, sealed piece and spring, the gas passage who link up has in the valve body, gas passage's one end is air inlet, the other end is the gas outlet, is provided with the disk seat in the gas passage, and gas passage's inner wall has the direction sand grip, and the direction sand grip has a plurality of and all direction sand grips set up along the circumference interval, and sealed piece is located gas passage, and the outer peripheral face of sealed piece contacts with the lateral wall of direction sand grip to the endwise slip of direction sand grip can be followed to sealed piece. This structure is guaranteeing that the removal of sealed piece has the structural design of simplifying the check valve that admits air when having better stability.

Description

Air storage tank air inlet one-way valve of air compressor

Technical Field

The utility model belongs to the technical field of the air compressor machine, especially a gas holder check valve that admits air of air compressor machine.

Background

The air compressor machine includes the compressor, the gas pitcher, pipeline and various control valve are constituteed, the compressor is used for compressing the air in order to improve its pressure, the gas pitcher is used for storing through compressed high-pressure gas, pipeline and control valve are arranged in carrying the compressor exhaust high-pressure gas to the gas pitcher and prevent the gaseous backward flow to the pipeline in the jar, in order to prevent the high-pressure gas in the gas pitcher to flow back to the pipeline, what have adopted now is that one admit air check valve of installation in the pipeline, this admit air check valve is automatic when compressed gas enters into the gas pitcher and opens, automatic shutoff when non-compressed gas enters into the gas pitcher.

At present, the chinese patent network discloses an air compressor unloading check valve [ grant No.: CN212717091U, including the inside valve body that is equipped with inlet channel, air outlet channel, unload gas passageway and cross the gas cavity, inlet channel, air outlet channel and the three axis mutually perpendicular who unloads the gas passageway, inlet channel is linked together with crossing the gas cavity, it is equipped with sealed the pad and supports the spring that presses on sealed the pad to cross the gas cavity in, under the effect of spring, sealed pad sticiss on crossing the gas cavity inner wall and make inlet channel and air outlet channel keep apart, be provided with the guide arm on the sealed pad, the outer end of guide arm passes sealed pad in proper order, spring and nut, form sealedly through the dynamic seal circle between guide arm and the nut. The unloading one-way valve is assembled in a pipeline of the air compressor for use, when the air tank admits air, compressed air pushes away the sealing gasket, the sealing gasket overcomes the acting force of the spring and moves towards one side to enable the air inlet channel to be communicated with the air outlet channel, the compressed air enters the air outlet channel from the air inlet channel and enters the air tank, when air does not enter, the sealing gasket automatically moves towards one side under the action of the spring to reset to enable the air inlet channel to be not communicated with the air outlet channel, and the compressed air in the air tank cannot flow back to the pipeline.

The unloading one-way valve of the air compressor has the following defects: because inlet channel, outlet channel and the structural design of unloading passageway three axis mutually perpendicular, make the inner wall of crossing air cavity 1d have the breach, can't play sufficient direction and support to the reciprocating motion of sealed pad, the sealed problem of off tracking probably appears at the in-process that removes of filling up, consequently prior art adopts and sets up the guide bar on the sealed pad, the guide bar plays the effect of direction to the reciprocating motion of sealed pad, improve the stability that sealed pad removed, but make the structure of off-load check valve more complicated like this, because the guide bar runs through the nut design, still need pass through the movable seal circle between guide arm and nut, the structure complexity of off-load check valve has further been increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims at having the above-mentioned problem to current technique, provided a gas holder check valve that admits air of air compressor machine, the utility model aims to solve the technical problem that: how to guarantee that the removal of sealed piece has the structural design of simplification air inlet check valve when having better stability.

The purpose of the utility model can be realized by the following technical proposal:

the utility model provides a gas holder check valve that admits air of air compressor machine, includes valve body, sealed piece and spring, its characterized in that, the gas channel who link up has in the valve body, the one end of gas channel is the air inlet, and the other end is the gas outlet, be provided with the disk seat in the gas channel, the inner wall of gas channel has the direction sand grip, the direction sand grip has a plurality of and all direction sand grips set up along circumference interval, sealed piece is located the gas channel, the outer peripheral face of sealed piece contacts with the lateral wall of direction sand grip to the axial slip of direction sand grip can be followed to sealed piece, the spring sets up in the gas channel and the one end top of spring makes the sealed face of sealed piece and disk seat counterbalance on sealed piece.

This check valve assembly of admitting air uses in the pipeline of air compressor machine, in operation, compressed gas enters into gas channel from the air inlet in, compressed gas backs down sealed piece, sealed piece moves towards the gas outlet direction along the direction sand grip, make sealed face and disk seat separation, air gap has between the adjacent direction arch, compressed gas flows to the gas outlet direction through air gap, and enter into the gas pitcher from the gas outlet discharge, when the air compressor machine pipeline is not admitted air, sealed piece is under the effect of spring, sealed piece moves towards the air inlet direction along the direction sand grip, make sealed face and the disk seat counterbalance of sealed piece lean on, avoid the palirrhea to the pipeline of compressed gas in the gas pitcher. Compared with the prior art, the gas channel of the structure has the functions of gas inlet and gas outlet, adopts a straight-through design, realizes straight-through gas inlet, simplifies the structure of the gas inlet one-way valve, and ensures that the sealing block moves smoothly and has good stability because the plurality of guide convex strips guide the sealing block in the reciprocating movement process of the sealing block in the gas channel; in addition, during the assembly, the gas outlet of this check valve that admits air is connected on the gas pitcher, and the air inlet is up this moment, convenient and the being connected of pipeline.

In the above air storage tank air inlet one-way valve of the air compressor, the air channel comprises an air inlet channel and an air outlet channel, the air inlet one-way valve further comprises a valve sleeve, the air inlet channel is arranged in the valve sleeve, the air inlet channel and the air outlet channel are coaxially arranged, a valve seat is arranged at one end of the valve sleeve, the end of the valve seat is inserted into the valve body, and the sealing block (2) and the spring are both arranged in the air outlet channel. The valve body and the valve sleeve are shell components of the air inlet one-way valve, the structure of the air inlet channel and the coaxial air outlet channel is convenient for manufacturing the valve body, the valve sleeve is very convenient to process and manufacture, compressed air pushes the sealing block open, the air inlet channel is communicated with the air outlet channel, the compressed air enters the air outlet channel from the air inlet channel and then enters the air tank, and when the air compressor pipeline does not admit air, the compressed air in the air tank cannot flow back to the air inlet channel.

In the air storage tank air inlet one-way valve of the air compressor, the valve sleeve is in threaded connection with the valve body. The valve sleeve and the valve body are simply and conveniently connected.

In the air storage tank air inlet one-way valve of the air compressor, an air discharging channel is arranged in the valve body and communicated with the air inlet channel. When the sealing surface of the sealing block is abutted against the valve seat to close the air inlet of the air tank, compressed air in the pipeline of the air compressor is discharged outwards through the air discharge channel.

In the air storage tank air inlet one-way valve of the air compressor, an air passing cavity is formed between the outer wall of the valve sleeve and the inner wall of the valve body, the side wall of the valve sleeve is provided with pressure relief holes which are connected with the air cavity and the interior of the valve sleeve, and the air relief channel is communicated with the air passing cavity. The compressed gas in the gas inlet channel enters the gas discharge channel through the pressure relief hole and the gas passing cavity.

In the air storage tank air inlet one-way valve of the air compressor, the two sides of the air passing cavity are provided with the sealing rings positioned between the outer wall of the valve sleeve and the inner wall of the valve body. The setting of sealing washer avoids crossing the compressed gas in the gas chamber and spills, guarantees to cross the gas chamber and has better leakproofness.

In the above air storage tank air inlet check valve of the air compressor, the axis of the air discharge channel is perpendicular to the axis of the air inlet channel.

In the above air storage tank air inlet check valve of the air compressor, the inner wall of the air outlet channel at the air outlet is provided with an annular flange, and one end of the spring is abutted against the flange. The flange is arranged for assembling the spring.

Compared with the prior art, the utility model discloses a gas holder check valve that admits air of air compressor machine has following advantage: compared with the prior art, the gas passage of this structure possesses the function of admitting air and giving vent to anger, and what gas passage adopted is through type design, realize through type and admit air, the structure of the check valve that admits air has been simplified, and sealed piece reciprocating motion's in gas passage in-process, the effect of direction is played to it to a plurality of direction sand grip, it is smooth and easy to guarantee sealed piece removal, stability is good, in addition, during the assembly, the gas outlet of this check valve that admits air is connected on the gas pitcher, the air inlet is up this moment, convenient and the pipeline be connected.

Drawings

Fig. 1 is a schematic sectional structure of the present invention.

Fig. 2 is a schematic diagram of the explosion structure of the present invention.

Fig. 3 is a schematic perspective view of the valve body of the present invention.

Fig. 4 is a schematic sectional structure diagram of the valve body of the present invention.

Fig. 5 is the utility model discloses section structure schematic diagram of check valve assembly on the air compressor machine admits air.

Fig. 6 is an enlarged schematic view of a portion a in fig. 5.

In the figure, 1, a valve body; 2. a sealing block; 20. a sealing surface; 3. a spring; 4. a gas channel; 4a, an air inlet; 4b, an air outlet; 40. an air intake passage; 41. an air outlet channel; 5. a valve seat; 6. a guide convex strip; 7. a valve housing; 8. a gas discharge channel; 9. a gas passing cavity; 10. a pressure relief hole; 11. a flange; 12. a seal ring; 13. the air gap.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1-6, the air storage tank air inlet check valve of the air compressor comprises a valve body 1, a sealing block 2 and a spring 3, wherein a through air channel 4 is arranged in the valve body 1, one end of the air channel 4 is an air inlet 4a, the other end of the air channel 4 is an air outlet 4b, and the air channel 4 comprises an air inlet channel 40 and an air outlet channel 41. This check valve of admitting air still includes valve barrel 7, have in the valve barrel 7 inlet channel 40, inlet channel 40 and outlet channel 41 coaxial arrangement, valve barrel 7 and valve body 1 threaded connection, the one end of valve barrel 7 has valve seat 5, and this end inserts to in the valve body 1, the inner wall of outlet channel 41 has direction sand grip 6, direction sand grip 6 has a plurality ofly and all direction sand grips 6 set up along circumference interval, seal block 2 is located outlet channel 41, the outer peripheral face of seal block 2 contacts with the lateral wall of direction sand grip 6, and seal block 2 can be along the axial slip of direction sand grip 6, spring 3 sets up in outlet channel 41 and the one end of spring 3 pushes up on seal block 2, outlet channel 41 has on the inner wall that is located gas outlet 4b department and is annular flange 11, the other end of spring 3 supports and leans on flange 11, under the initial state, seal block 2's sealed face 20 and valve seat 5 counterbalance under the effect of spring 3. This check valve assembly of admitting air uses in the pipeline of air compressor machine, in operation, compressed gas enters into inlet channel 40 from air inlet 4a in, compressed gas backs down sealed piece 2, sealed piece 2 moves towards gas outlet 4b direction along direction sand grip 6, make sealed face 20 and disk seat 5 separation, air gap 13 has between the adjacent direction arch 6, compressed gas flows to in the air outlet channel 41 through air gap 13, and discharge from gas outlet 4b and enter into the gas pitcher, when the air compressor machine pipeline is not admitted air, sealed piece 2 is under spring 3's effect, sealed piece 2 moves towards air inlet 4a direction along direction sand grip 6, make sealed face 20 and the disk seat 5 counterbalance of sealed piece 2, avoid the interior compressed gas of gas pitcher to flow backward to in the pipeline. Compared with the prior art, the air inlet channel 40 and the air outlet channel 41 are coaxially arranged, straight-through air inlet is realized, the structure of the air inlet one-way valve is simplified, the manufacturing convenience of the valve sleeve 7 and the valve body 1 is improved, and in the reciprocating movement process of the sealing block 2 in the air outlet channel 41, the plurality of guide convex strips 6 play a role in guiding the sealing block 2, so that the smooth movement and good stability of the sealing block 2 are ensured; in addition, during the assembly, the air outlet 4b of the air inlet one-way valve is connected to the air tank, and the air inlet 4a faces upwards, so that the air inlet one-way valve is conveniently connected with a pipeline.

As shown in fig. 1, an air discharging channel 8 is arranged in the valve body 1, the air discharging channel 8 is communicated with the air inlet channel 40, the axis of the air discharging channel 8 is perpendicular to the axis of the air inlet channel 40, an air passing cavity 9 is formed between the outer wall of the valve sleeve 7 and the inner wall of the valve body 1, sealing rings 12 located between the outer wall of the valve sleeve 7 and the inner wall of the valve body 1 are arranged on two sides of the air passing cavity 10, pressure relief holes 10 connected through the air cavity 9 and the inside of the valve sleeve 7 are formed in the side wall of the valve sleeve 7, and the air discharging channel 8 is communicated with the air passing cavity 9. When the sealing surface 20 of the sealing block 2 abuts against the valve seat 5 to close the air inlet of the air tank, compressed air in the air inlet channel 40 enters the air discharge channel 8 through the pressure relief hole 10 and the air passing cavity 9, and the compressed air in the pipeline of the air compressor is discharged outwards through the air discharge channel 8.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. The utility model provides a gas holder check valve that admits air of air compressor machine, includes valve body (1), sealing block (2) and spring (3), its characterized in that, gas channel (4) that link up has in valve body (1), the one end of gas channel (4) is air inlet (4 a), the other end is gas outlet (4 b), be provided with disk seat (5) in the gas channel (4), the inner wall of gas channel (4) has direction sand grip (6), direction sand grip (6) have a plurality of and all direction sand grips (6) set up along circumference interval, sealing block (2) are located gas channel (4), the outer peripheral face of sealing block (2) contacts with the lateral wall of direction sand grip (6) to sealing block (2) can be along the axial slip of direction sand grip (6), spring (3) set up in gas channel (4) and the one end top of spring (3) makes sealing block (2) and disk seat (5) offset and lean on sealing face.

2. The air inlet check valve of the air storage tank of the air compressor as claimed in claim 1, wherein the air channel (4) comprises an air inlet channel (40) and an air outlet channel (41), the air inlet check valve further comprises a valve sleeve (7), the air inlet channel (40) is arranged in the valve sleeve (7), the air inlet channel (40) and the air outlet channel (41) are coaxially arranged, one end of the valve sleeve (7) is provided with a valve seat (5) and is inserted into the valve body (1), and the sealing block (2) and the spring (3) are both arranged in the air outlet channel (41).

3. The air inlet check valve of the air storage tank of the air compressor as claimed in claim 2, wherein the valve sleeve (7) is in threaded connection with the valve body (1).

4. The air inlet check valve of the air storage tank of the air compressor as claimed in claim 2, wherein the valve body (1) is provided with an air discharge passage (8), and the air discharge passage (8) is communicated with the air inlet passage (40).

5. The air inlet check valve for the air storage tank of the air compressor as claimed in claim 4, wherein an air passing cavity (9) is formed between the outer wall of the valve sleeve (7) and the inner wall of the valve body (1), the side wall of the valve sleeve (7) is provided with a pressure relief hole (10) connected through the air cavity (9) and the air inlet channel (40), and the air discharge channel (8) is communicated with the air passing cavity.

6. The air inlet check valve of the air storage tank of the air compressor as claimed in claim 5, wherein both sides of the air passing chamber (9) are provided with sealing rings (12) between the outer wall of the valve sleeve (7) and the inner wall of the valve body (1).

7. The air inlet check valve of the air storage tank of the air compressor as claimed in claim 4, wherein the axis of the air discharge passage (8) is perpendicular to the axis of the air inlet passage (40).

8. The air inlet check valve of the air storage tank of the air compressor as claimed in claim 2, wherein the inner wall of the air outlet channel (41) at the air outlet (4 b) has a flange (11) having a ring shape, and one end of the spring (3) abuts against the flange (11).