CN208010993U - A kind of air valve - Google Patents
A kind of air valve Download PDFInfo
- Publication number
- CN208010993U CN208010993U CN201820254626.9U CN201820254626U CN208010993U CN 208010993 U CN208010993 U CN 208010993U CN 201820254626 U CN201820254626 U CN 201820254626U CN 208010993 U CN208010993 U CN 208010993U
- Authority
- CN
- China
- Prior art keywords
- air
- air intake
- valve
- valve seat
- block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model is related to a kind of air valves,It includes sequentially connected preceding portion mechanism and rear portion mechanism,The preceding portion mechanism includes the first air intake,First air intake includes inlet channel,Portion mechanism includes valve seat and the second air intake being at least partially disposed in the valve seat after described,The valve seat includes outlet passageway,The valve seat cooperatively forms cavity with second air intake,Described cavity one end is connected to the inlet channel,The other end is connected to the outlet passageway,Portion mechanism further includes valve block and valve block protection component after described,The valve block receiving is set to second air intake outlet side,The valve block protection component receiving is set in second air intake,Component is protected by the way that valve block is arranged,So that in intake process,Valve block protection component has shock absorbing effect for air-flow,And only when air pressure reaches a certain level,Valve block protection component can just be opened,To protect valve block,Valve block is prevented to be pressurized larger and deform,Extend its service life.
Description
Technical field
The utility model belongs to gas control equipment field, more particularly to a kind of air valve.
Background technology
Air valve is the significant components on compresser cylinder, be responsible for gas sucking and discharge, traditional air valve be by valve seat,
The compositions such as valve block, spring.
Many medical instruments are pneumatic tool at present, thus air valve be widely used in medical instruments field it is general.Pneumatic work
The stability of tool will directly influence the precision of operation, severe patient even influences patient vitals' safety, and pneumatic tool makes
With precision, the control of air-flow, the i.e. selection of air valve are depended in part on.
The open and close of air valve are realized by the pressure difference on inlet end and outlet side both sides, therefore, air valve it is interior
The quality and set-up mode of portion's structure especially valve block directly affect service life and the working performance of air valve, existing air valve
Service life is shorter, and working performance is not high, it would be desirable to find the air valve of a kind of reliable operation, stabilization and long lifespan.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of air valves, can effectively improve the service life of valve block, prolong
The service life of long air valve.
To solve the above problems, the utility model provides a kind of air valve, including sequentially connected preceding portion mechanism and rear portion machine
Structure, the preceding portion mechanism include the first air intake, and first air intake includes inlet channel, and the rear portion mechanism includes valve seat
And it is at least partially disposed in the second air intake in the valve seat, the valve seat includes outlet passageway, the valve seat and described second
Air intake cooperatively forms cavity, and described cavity one end is connected to the inlet channel, and the other end is connected to the outlet passageway, institute
It further includes that valve block and the valve block set on the valve block front end protect component, the valve block receiving to be set to described second to state rear portion mechanism
Air intake outlet side, the valve block protection component receiving are set in second air intake.
In addition, the utility model also provides the following technical solutions：
Further, valve block protection component include into air column and with first spring being connect into air column, institute
It states the first spring one end and the valve block pushes against and the other end is pushed against with described into air column.
Further, described into air column includes spherical end surface, and second air intake includes being set to its internal convex annular
Edge, the spherical end surface cooperatively form first passage with the annular flange activity.
Further, it is described into air column further include the plate end face being connect with the spherical end surface, each angle of plate end face with
The second air intake inner wall pushes against, and forms second channel between each side of plate end face and the second air intake inner wall, institute
Second channel is stated to be connected to the first passage.
Further, the valve block protection component further includes the first sealing for being embedded at the second air intake inlet end
Circle, first sealing ring coordinate with the spherical end surface.
Further, the rear portion mechanism further includes gas buffer component, and the gas buffer component is set to the cavity
Interior and one end is flexibly connected with second air intake outlet side, and the other end is pushed against with the valve seat.
Further, the gas buffer component includes block and second spring, the block and second air intake
Outlet side coordinates, and described second spring one end is pushed against with the block, and the other end is pushed against with the valve seat.
Further, the block is cap-shaped structure, and the block forms third channel with second air intake, described
Block forms fourth lane with the valve seat wall.
Further, the rear portion mechanism further includes the sealing for being sheathed on the valve seat and the second air intake junction successively
Part and clamp spring, the sealing element coordinate with the valve base inner wall with clamp spring.
Further, portion mechanism further includes the fixing sleeve being sheathed on outside the valve seat and is sheathed on the valve after described
Cover board between seat and first air intake, the fixing sleeve, cover board and the first air intake are fixedly connected.
The beneficial effects of the utility model：
The utility model provides a kind of air valve, is improved for the prior art, has the following advantages：
1. the air valve that the utility model is protected, including sequentially connected preceding portion mechanism and rear portion mechanism, the front machine
Structure includes the first air intake, and first air intake includes inlet channel, and the rear portion mechanism includes valve seat and at least partly sets
In the second air intake in the valve seat, the valve seat includes outlet passageway, and the valve seat coordinates shape with second air intake
At cavity, described cavity one end is connected to the inlet channel, and the other end is connected to the outlet passageway, and the rear portion mechanism is also
Component, the valve block receiving is protected to be set to second air intake outlet side including valve block and valve block, the valve block protects component
Receiving is set in second air intake, protects component by the way that valve block is arranged so that in intake process, valve block protects component pair
There is shock absorbing effect in air-flow, and only when air pressure reaches a certain level, valve block protection component can just be opened, to protect
Valve block is protected, prevents valve block to be pressurized larger and deform, extends its service life.
Into air column include spherical end surface 2. described, second air intake includes being set to its internal annular flange, described
Spherical end surface cooperatively forms first passage with the annular flange activity；Described into air column further includes being connect with the spherical end surface
Plate end face, each angle of plate end face and the second air intake inner wall push against, each side of plate end face and second air inlet
Second channel is formed between part inner wall, the second channel is connected to the first passage, and wherein second channel includes multiple, gas
Stream can flow into this multiple second channel, in this way, air velocity can be reduced well, damping effect be played, to improve
Working efficiency and the functional reliability for improving the air valve.
3. portion mechanism further includes gas buffer component after described, the gas buffer component is set in the cavity and one end
It is flexibly connected with second air intake outlet side, the other end is pushed against with the valve seat；The gas buffer component includes block
And second spring, the block coordinate with second air intake outlet side, described second spring one end is pushed against with the block,
The other end is pushed against with the valve seat；The block is cap-shaped structure, and the block forms third channel with second air intake,
The block forms fourth lane with the valve seat wall；The setting of block can equally reduce the speed of air-flow, play damping
Effect, to further increase working efficiency and improve the functional reliability of the air valve.
Description of the drawings
Fig. 1 is the structural schematic diagram of air valve in the utility model embodiment；
Fig. 2 is the sectional view of air valve in the utility model embodiment；
Fig. 3 is the sectional view of another section of air valve in the utility model embodiment；
Fig. 4 is the three-dimensional installation diagram of the utility model embodiment middle front part mechanism；
Fig. 5 is the three-dimensional installation diagram of the utility model embodiment middle and back mechanism；
Fig. 6 is the structural schematic diagram of fixing sleeve in the utility model embodiment.
Specific implementation mode：
Embodiment：The utility model provides a kind of air valve, makees to the embodiment below with reference to attached drawing further detailed
It describes in detail bright.
As shown in Figures 1 to 6, present embodiments provide a kind of air valve, the air valve include sequentially connected preceding portion mechanism 1 with
Portion mechanism 5 afterwards, preceding portion mechanism 1 are connect with compressor, and rear portion mechanism 5 is connect with pneumatic tool.
Wherein, preceding portion mechanism 1 includes the first air intake 11, compressed tablet 13, connector 14 and protecgulum 15,14 sets of connector
It is located in the first air intake 11, compressed tablet 13 is connected between connector 14 and the first air intake 11,15 company of being set in of protecgulum
On fitting 14.
Specifically, 11 preferred plastic inlet part of the first air intake, so that the air valve overall structure is light.First air intake
11 include hollow cylinder 111 and annular mounting surface 112.Wherein, hollow cylinder 111 is internally provided with inlet channel 12, is used for gas
Body is passed through in the valve body.
111 surface of hollow cylinder is equipped with radial square hole 113.14 side of connector is set to groove 141 and clamping part 142,
Connector 14 is set in the first air intake 11 and is compressed with annular mounting surface 112, is filled in respectively by two the first straight pins 16
Enter in radial square hole 113, and with 141 clamping of groove so that the first air intake 11 is fixed with connector 14 simultaneously makes compressed tablet 13 receive
Contracting.Protecgulum 15 includes that annular slot 151 and the card hole 152 set on side, annular slot 151 are matched with 14 bottom surface of connector
It closes, card hole 152 coordinates with clamping part 142.When installation, connector is inserted into annular slot 151, and buckle 142 is caught in card
Hole 152 is connector 14 to be fixedly connected with protecgulum 15.
Preceding portion mechanism 1 further includes the screw 17 and the second straight pin 18 vertically worn with annular mounting surface 112, wherein spiral shell
Nail 17 is used for the connection of first air intake 11 and rear portion mechanism 5, and 18 one end of the second straight pin is vertically worn and annular mounting surface
On 112, the other end is threaded through on protecgulum 15, to realize the radial positioning between the first air intake 11 and protecgulum 15.
Portion mechanism 5 includes including valve seat 51 and the second air intake 52 being at least partially disposed in valve seat 51, valve seat 51 afterwards
Outlet passageway 53, valve seat 51 and the second air intake 52 cooperatively form cavity 54, and 54 one end of cavity is connected to inlet channel 12, another
End is connected to outlet passageway 53.Portion mechanism 5 further includes that receiving is set to set on the valve block 55 of 52 outlet side of the second air intake, receiving afterwards
Valve block protection component 56, and one end interior set on cavity 54 in second air intake 52 connect with the 52 outlet side activity of the second air intake
It connects, the gas buffer component 58 that the other end is pushed against with valve seat 51.Therefore valve block protection component 56 is set to the front end of valve block 55, gas
Buffer Unit 58 is set to 55 rear end of valve block.
Specifically, valve block protection component 56 include into air column 61, be embedded at 52 inlet end of the second air intake and with into air column
First sealing ring 62 of 61 one end activities cooperations and set on the first spring 63 into 61 other end of air column, the first spring 63 1
End is pushed against with valve block 55 and the other end is pushed against with into air column 61.Into air column 61 include spherical end surface 64 and with spherical end surface 64
The plate end face 65 of connection, the first sealing ring 62 and the cooperation of spherical end surface 64 ensure do not having between air column 61 and the second air intake 52
There is leakproofness when air inlet.Second air intake 52 includes being set to its internal annular flange 57, annular flange 57 and spherical end surface
First passage 67 is cooperatively formed, 65 each angle of plate end face is pushed against with 52 inner wall of the second air intake, 65 each side of plate end face and the second air inlet
Second channel 66 is formed between 52 inner wall of part, and first passage 67 is connected to second channel 66.
In the present embodiment, 65 preferred rectangle of plate end face, in this way, shape between 52 inner wall of 65 4 side of plate end face and the second air intake
At the second channel 66 of four same sizes, in this way, air-flow can separately flow into this four second channels 66, in this way, can be with
Air velocity is reduced well, plays damping effect, to improve working efficiency and improve the functional reliability of the air valve.
Gas buffer component 58 includes block 71 and second spring 72, and block 71 and 52 outlet side of the second air intake coordinate,
72 one end of second spring is pushed against with block 71, and the other end is pushed against with valve seat 51.Block 71 be cap-shaped structure, block 71 and second into
Gas part 52 forms third channel 73, and block 71 forms fourth lane 74 with 51 side wall of valve seat.Block 71 can equally reduce air-flow
Speed, changing air flow direction makes it pass through from the fourth lane 74 of side, to play cushioning effect, improves the work of the air valve
Stability.
Wherein the first spring 63 and the preferred tower spring of second spring 72, and be that small end is set to front end in the present embodiment, greatly
End is set to rear end.Tower spring is small, load is big, has cushioning effect.
Portion mechanism 5 further includes the sealing element 75 and clamp spring for being sheathed on 52 junction of valve seat 51 and the second air intake successively afterwards
76, sealing element 75 coordinates with 51 inner wall of valve seat with clamp spring 76.Valve seat 51 includes coordinating respectively with sealing element 75 and clamp spring 76
First card slot and the second card slot.The setting of sealing element 75 ensure that the air-tightness between valve seat 51 and the second air intake 52, clamp spring
76 setting, not only limits the play of sealing element 75, and ensure that the installation between valve seat 51 and the second air intake 52 is stablized
Property.
Portion mechanism 5 further includes the fixing sleeve 81 being sheathed on outside valve seat 51 and is sheathed on valve seat 51 and the first air intake afterwards
Cover board 82 between 11, fixing sleeve 81, cover board 82 and the first air intake 11 are fixedly connected, and being fixedly connected between three,
It is exactly based on what the screw 17 being arranged in pairs was realized.Wherein, fixing sleeve 81 include corresponding mounting hole and be set to mounting hole
The interior thread bush 68 coordinated with screw 17.
Portion mechanism 5 further includes with the discharge duct 59 being set on outlet passageway 53 and set on 59 one end of discharge duct afterwards
Thread bush 60, thread bush 60 are connect by tracheae with pneumatic tool, and the second sealing ring 69 is embedded in the groove of discharge duct 59.
When installing the air valve, compressed tablet 13 is sheathed in the first air intake 11, by first by portion mechanism 1 before installing first
Air intake 11 is inserted into and is compressed from 14 one end of connector, is threaded through in radial square hole 113 using the first straight pin 16 of a pair, and the
One straight pin 16 makes connector 14 be fixedly connected with the first air intake 11 in groove 141.Then connector 14 is radial slotting
Enter in annular slot 151, and clamping part 142 is caught in card hole 152, the second straight pin 18 is inserted into protecgulum 15 and realizes the
Radial positioning between one air intake 11 and protecgulum 15.
Then portion mechanism 5 after installing first is put into second spring 72 in valve seat 51, and big end is first placed.Then by block 71
To be put into, then sealing element 75 and clamp spring 76 are respectively pressed into valve seat 51.First sealing ring 62 is embedded in the second air intake 52
Inside groove in, being respectively put into the hole of the second air intake 52 into air column 61 and the first spring 63, into air column 61 with spherical end surface
64 first place, and the first spring 63 is put into small end, and valve block 55 is filled in the hole of the second air intake 52, close-fitting.Then by second into
Gas part 52 is filled in valve seat 51, and the second sealing ring 69 is filled in 51 discharge duct of valve seat, 59 slot.Then by valve seat 51 and fixation
Set 81 is connected, then fixing sleeve 81, the first air intake 11 and cover board 82 are fixedly connected by screw 17.Then by discharge duct 59
It is connect with thread bush 60, then discharge duct 59 and valve seat 51 is weldingly connected.
In use, compressed gas enters from the first air intake 11, when reaching certain pressure, will be jacked up into air column 61, into
61 spherical end surface 64 of air column is detached with the first sealing ring 62, and gas passes through first passage 67, second channel 66 and acts on successively
Valve block 55, when reaching certain pressure, block 71 is jacked up, gas enters sky by the airflow function of valve block 55 in block 71
Chamber 54, then gas passes through third channel 73 and fourth lane 74 enters outlet passageway 53.
The air valve protected in the present embodiment protects component by the way that valve block is arranged so that in intake process, valve block protection
Component 56 has cushioning effect for air-flow, when stream pressure is larger, prevents valve block 55 to be pressurized larger and deform, to protect valve
Piece extends its service life.
The above is preferred embodiments of the present invention, it is noted that for the ordinary skill of the art
For personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these are improved and profit
Decorations are also considered as the scope of protection of the utility model.
Claims (10)
1. a kind of air valve, including sequentially connected preceding portion mechanism (1) and rear portion mechanism (5), the preceding portion mechanism (1) include first
Air intake (11), first air intake (11) include inlet channel (12), it is characterised in that：Portion mechanism (5) includes after described
Valve seat (51) and the second air intake (52) being at least partially disposed in the valve seat (51), the valve seat (51) includes outlet passageway
(53), the valve seat (51) and second air intake (52) cooperatively form cavity (54), described cavity (54) one end with it is described
Inlet channel (12) is connected to, and the other end is connected to the outlet passageway (53), the portion mechanism (5) afterwards further include valve block (55) and
Valve block protection component (56) set on the valve block (55) front end, valve block (55) receiving are set to second air intake (52)
Outlet side, the valve block protection component (56), which accommodates, to be set in second air intake (52).
2. air valve according to claim 1, it is characterised in that：Valve block protection component (56) include into air column (61) with
And with first spring (63) being connect into air column (61), described first spring (63) one end and the valve block (55) push against and
The other end is pushed against with described into air column (61).
3. air valve according to claim 2, it is characterised in that：It is described into air column (61) include spherical end surface (64), it is described
Second air intake (52) includes being set to its internal annular flange (57), the spherical end surface (64) and the annular flange (57)
Activity cooperatively forms first passage (not shown).
4. air valve according to claim 3, it is characterised in that：It is described to further include and the spherical end surface into air column (61)
(64) plate end face (65) connected, each angle of the plate end face (65) are pushed against with the second air intake (52) inner wall, the plate end
Second channel (not shown) is formed between each side in face (65) and second air intake (52) inner wall, (figure is not for the second channel
Show) it is connected to the first passage (not shown).
5. air valve according to claim 3, it is characterised in that：Valve block protection component (56) further include be embedded at it is described
First sealing ring (62) of the second air intake (52) inlet end, first sealing ring (62) are matched with the spherical end surface (64)
It closes.
6. air valve according to claim 1, it is characterised in that：Portion mechanism (5) further includes gas buffer component after described
(58), the gas buffer component (58) is set in the cavity (54) and one end is lived with the second air intake (52) outlet side
Dynamic connection, the other end are pushed against with the valve seat (51).
7. air valve according to claim 6, it is characterised in that：The gas buffer component (58) includes block (71) and
Two springs (72), the block (71) and the second air intake (52) outlet side coordinate, described second spring (72) one end with
The block (71) pushes against, and the other end is pushed against with the valve seat (51).
8. air valve according to claim 7, it is characterised in that：The block (71) is cap-shaped structure, the block (71)
Third channel (not shown) is formed with second air intake (52), and the block (71) and the valve seat (51) side wall form the
Four-way (not shown).
9. air valve according to claim 1, it is characterised in that：After described portion mechanism (5) further include be sheathed on successively it is described
Valve seat (51) and the sealing element (75) and clamp spring (76) of the second air intake (52) junction, the sealing element (75) and clamp spring (76)
Coordinate with the valve seat (51) inner wall.
10. air valve according to claim 1, it is characterised in that：Portion mechanism (5) further includes being sheathed on the valve seat after described
(51) outside fixing sleeve (81) and the cover board (82) being sheathed between the valve seat (51) and first air intake (11),
The fixing sleeve (81), cover board (82) and the first air intake (11) are fixedly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820254626.9U CN208010993U (en) | 2018-02-12 | 2018-02-12 | A kind of air valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820254626.9U CN208010993U (en) | 2018-02-12 | 2018-02-12 | A kind of air valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208010993U true CN208010993U (en) | 2018-10-26 |
Family
ID=63886741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820254626.9U Expired - Fee Related CN208010993U (en) | 2018-02-12 | 2018-02-12 | A kind of air valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208010993U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108131476A (en) * | 2018-02-12 | 2018-06-08 | 苏州益诺斯医疗科技有限公司 | A kind of air valve |
-
2018
- 2018-02-12 CN CN201820254626.9U patent/CN208010993U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108131476A (en) * | 2018-02-12 | 2018-06-08 | 苏州益诺斯医疗科技有限公司 | A kind of air valve |
| CN108131476B (en) * | 2018-02-12 | 2023-09-12 | 上海博进医疗器械有限公司 | Air valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181026 Termination date: 20210212 |