CN209444866U - A kind of vehicle-mounted intake valve - Google Patents
A kind of vehicle-mounted intake valve Download PDFInfo
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- CN209444866U CN209444866U CN201821687726.7U CN201821687726U CN209444866U CN 209444866 U CN209444866 U CN 209444866U CN 201821687726 U CN201821687726 U CN 201821687726U CN 209444866 U CN209444866 U CN 209444866U
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- valve body
- valve
- spool
- lower valve
- baffle
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Abstract
The utility model discloses a kind of vehicle-mounted intake valves, including upper valve body and lower valve body, upper valve body is fixedly connected with lower valve body, valve chamber is cooperatively formed in upper valve body and lower valve body, upper valve body is equipped with the air inlet being connected to valve chamber, lower valve body is equipped with the exhaust outlet being connected to valve chamber, spool and valve core spring are equipped in valve chamber, valve core spring, which supports, to be set between lower valve body and spool, spool offsets under the action of valve core spring with upper valve body, will be blocked between air inlet and valve chamber, lower valve body, which is located at gas outlet, is equipped with multiple branching blocks, multiple branching block one end are along lower valve body inner wall circumference uniform distribution, the other end of multiple branching blocks is connected in lower valve body inner wall the center point, branching block is an integral molding structure with lower valve body.The utility model can play the effect of noise reduction, and branching block is an integral molding structure with lower valve body, ensure that branching block will not be separated with lower valve body by setting upper valve body and lower valve body.
Description
Technical field
The utility model relates to valve technology field, in particular to a kind of vehicle-mounted intake valve.
Background technique
Intake valve is that the tolerance of piston type air compressor adjusts core component, outstanding in the auxiliary equipment of piston type air compressor
For key, quality directly affects the overall performance of helical-lobe compressor.Intake valve is widely applied in daily life, main to control
System or capacity regulating formula screw machine automatically control charge flow rate in starting, load and unloading, and intake valve is in air inlet at present
When, gas is rotated into valve chamber by valve body air inlet, and it is larger that when rotating inlet will lead to noise.Furthermore gas by valve chamber from
When exhaust outlet is discharged, biggish noise can be also generated, therefore existing intake valve can install branching block, branching block at gas outlet
It is fixed at gas outlet by circlip, however under the action of long-term high pressure gas, branching block easily falls off from gas outlet, shadow
Ring noise reduction effect.
Summary of the invention
In view of the deficiencies of the prior art and defect, a kind of vehicle-mounted intake valve is provided, by setting upper valve body and lower valve body, made
After gas enters valve chamber, when along the conduction of valve chamber inner wall, be cut off by upper valve body and lower valve body junction, can not transmit and make an uproar
Sound ensure that branching block will not be with lower valve to play the effect of noise reduction, and branching block is an integral molding structure with lower valve body
Body separation.
To achieve the above object, the utility model provides following technical scheme.
A kind of vehicle-mounted intake valve, including upper valve body and lower valve body, upper valve body are fixedly connected with lower valve body, upper valve body and lower valve
Valve chamber is cooperatively formed in vivo, and upper valve body is equipped with the air inlet being connected to valve chamber, and lower valve body is equipped with the exhaust being connected to valve chamber
Mouthful, spool and valve core spring are equipped in the valve chamber, valve core spring, which supports, to be set between lower valve body and spool, and spool is in valve core spring
Under the action of offset with upper valve body, and spool is located at air inlet and valve chamber junction, will block between air inlet and valve chamber, under
Valve body, which is located at gas outlet, is equipped with multiple branching blocks, and multiple branching block one end are along lower valve body inner wall circumference uniform distribution, multiple branching blocks
The other end be connected in lower valve body inner wall the center point, branching block is an integral molding structure with lower valve body.
Further, multiple branching block connections are formed with guide post, hollow in guide post to be formed with guide groove, spool
It is connected with the guide rod being located in guide groove.
Further, guide post periphery has been connected through a screw thread adjusting nut, and valve core spring one end, which is supported, is set to adjusting nut,
The valve core spring other end, which supports, is set to spool.
Further, lower valve body inner wall is equipped with internal thread segment, and upper valve body outer wall is equipped with from bottom to top to be cooperated with internal thread segment
The first external thread section and the second external thread section with internal thread segment cooperation, the lead-in angle of the first external thread section and the second external screw thread
It is arranged between the lead-in angle of section in difference, and is formed with axial gap between the first external thread section and the second external thread section.
Further, upper valve body inner wall is arc surface.
Further, it is equipped with sealing ring between upper valve body and lower valve body, gasket is equipped between spool and upper valve body.
Further, upper valve body is equipped with the pressure ports being connected to air inlet, is connected with blow valve, blow valve by upper valve body
Air inlet is connected to by pressure ports.
Further, blow valve includes emptying valve body, accommodating cavity is equipped in blow valve body, before emptying valve body one end is connected with
End cap, the emptying valve body other end are connected with rear end cap, and emptying valve body is equipped with the entrance being connected to accommodating cavity, and drive end bearing bracket is equipped with
The outlet being connected to accommodating cavity, is equipped with baffle, push rod and baffle spring in accommodating cavity, baffle be located at entrance and valve chamber it
Between, baffle spring one end, which supports, is set to drive end bearing bracket, and the baffle spring other end, which supports, is set to baffle, and baffle is in baffle spring
Under the action of will be blocked between entrance and valve chamber.
The utility model has the following beneficial effects: the utility model is by being divided into upper valve body and lower valve for the valve body of monoblock type
Body connects so that gas is rotated along valve chamber inner wall and conducted when gas is after air inlet enters in valve chamber by upper valve body and lower valve body
The place of connecing is cut off, and can not transmit noise, to play the effect of noise reduction, and is equipped with multiple branching blocks at lower valve body, is worked as valve
When intracavitary gas is discharged from exhaust ports, by branching block, by gas distribution, to reduce the noise of gas, Er Qiefen
Stream block is integrally formed structures with lower valve body, so that branching block will not be detached from lower valve body under the working environment of high pressure,
It ensure that noise reduction effect, and since upper valve body and lower valve body are split type structure, so that branching block and lower valve body are integrated into
When the structure of type, the assembly of components in valve chamber will not influence.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model.
Fig. 2 is the blow valve structural schematic diagram of the utility model.
In figure, 1. upper valve bodies；2. lower valve body；3. valve chamber；4. air inlet；5. exhaust outlet；6. spool；7. valve core spring；8.
Branching block；9. guide post；10. guide groove；11. guide rod；12. adjusting nut；13. sealing ring；14. gasket；15. pressure regulation is logical
Road；16. being vented valve body；17. accommodating cavity；18. drive end bearing bracket；19. rear end cap；20. entrance；21. outlet；22. baffle；23. pushing away
Bar；24. baffle spring；25. internal thread segment；26. the first external thread section；27. the second external thread section.
Specific embodiment
The utility model is further illustrated in conjunction with attached drawing.
Referring to Fig. 1 to a kind of vehicle-mounted intake valve shown in Fig. 2, including upper valve body 1 and lower valve body 2, upper valve body 1 and lower valve body
2 are fixedly connected, and valve chamber 3 is cooperatively formed in upper valve body 1 and lower valve body 2, and sealing ring 13 is equipped between upper valve body 1 and lower valve body 2, with
Guarantee that leakproofness is good in valve chamber 3, gas is not easy to reveal, and upper valve body 1 is equipped with the air inlet 4 being connected to valve chamber 3, lower valve body 2
It is equipped with the exhaust outlet 5 being connected to valve chamber 3, spool 6 and valve core spring 7 are equipped in valve chamber 3, valve core spring 7, which supports, is set to lower valve body 2
Between spool 6, spool 6 offsets under the action of valve core spring 7 with upper valve body 1, and spool 6 is located at air inlet 4 and valve chamber 3 connects
Meet place, will be blocked between air inlet 4 and valve chamber 3, between spool 6 and upper valve body 1 be equipped with gasket 14, by gasket 14 with
Guarantee that leakproofness is good between air inlet 4 and valve chamber 3, lower valve body 2, which is located at gas outlet, is equipped with multiple branching blocks 8, the present embodiment
The quantity of middle branching block 8 is three, three 8 one end of branching block along 2 inner wall circumference uniform distribution of lower valve body, three branching blocks 8 it is another
It holds and is connected in 2 inner wall the center point of lower valve body, branching block 8 is an integral molding structure with lower valve body 2.
When utility model works, for gas by 4 air inlet of air inlet, it is downward that air pressure increase pushes spool 6 to compress valve core spring 7
It is mobile, so that gas enters in valve chamber 3 to be discharged by exhaust outlet 5 again by being connected between air inlet 4 and valve chamber 3, by by monoblock type
Valve body be divided into upper valve body 1 and lower valve body 2 so that when gas through air inlet 4 enter valve chamber 3 in after, gas along 3 inner wall of valve chamber revolve
Turn conduction, is cut off by upper valve body 1 and 2 junction of lower valve body, noise can not be transmitted, so that the effect of noise reduction is played, on
1 inner wall of valve body is arc surface, and when gas is rotated along 3 inner wall of valve chamber to be conducted, circular arc inner wall can be reduced resistance when conduction, thus
Reduce the noise generated when conduction.
And multiple branching blocks 8 are equipped at lower valve body 2, when being discharged from the gas in valve chamber 3 is from exhaust outlet 5, through excessive
Block 8 is flowed, by gas distribution, to reduce the noise of gas, branching block 8 is integrally formed structures with lower valve body 2, so that
Under the working environment of high pressure, branching block 8 will not be detached from lower valve body 2, ensure that noise reduction effect, and due to 1 He of upper valve body
Lower valve body 2 is that split type structure will not influence zero in valve chamber 3 when so that branching block 8 and lower valve body 2 being integrally formed structures
The assembly of component.
Multiple 8 connections of branching block are formed with guide post 9 in the present embodiment, hollow in guide post 9 to be formed with guide groove
10, spool 6 is connected with the guide rod 11 in guide groove 10, and guide rod 11 is an integral molding structure with spool 6, processing and manufacturing
Convenient, when spool 6 is mobile, spool 6 will drive guide rod 11 and move in guide groove 10, and guide groove 10 limits guide rod 11
The direction of motion, motion profile is clear, and structure is simple, and plays the role of rock-steady structure, and 9 periphery of guide post has been connected through a screw thread
Adjusting nut 12,7 one end of valve core spring, which is supported, is set to adjusting nut 12, and 7 other end of valve core spring, which supports, is set to spool 6, passes through rotation
Adjusting nut 12, to change position of the adjusting nut 12 in guide post 9, thus the pretightning force of adjusting spool spring 7, with adjustment
Valve core spring 7 is applied to the active force on spool 6, further, since valve core spring 7 is long-term in the compressible state, valve core spring 7
It is also easy to produce stress relaxation, by rotating adjusting nut 12, to adjust the active force that valve core spring 7 is applied on spool 6.
Further, 2 inner wall of lower valve body is equipped with internal thread segment 25, and 1 outer wall of upper valve body is equipped with from bottom to top and internal thread segment
First external thread section 26 of 25 cooperations and the second external thread section 27 cooperated with internal thread segment 25, the importing of the first external thread section 26
It is arranged between angle and the lead-in angle of the second external thread section 27 in difference, and between the first external thread section 26 and the second external thread section 27
It is formed with axial gap, when upper valve body 1 is connect with lower valve body 2, screws in lower valve body 2 in the first external thread section 26 of upper valve body 1
After internal thread segment 25, when the second external thread section 27 will screw in internal thread segment 25, due to the first external thread section 26 and second outside
The lead-in angle of thread segment 27 is different, and is formed with axial gap, meeting between the first external thread section 26 and the second external thread section 27
So that along 26 direction of the first external thread section slight deformation occurs for the second external thread section 27, so that when the first external thread section 26 and second
After external thread section 27 screws in the internal thread segment 25 of lower valve body 2, in the cooperation of the first external thread section 26 and the second external thread section 27
Effect is lower to generate certain self-locking torque, so that the firmness that upper valve body 1 is connect with lower valve body 2 be effectively ensured, avoid
It is loosened when use because of external force.
Further, upper valve body 1 is equipped with the pressure ports 15 being connected to air inlet 4, is connected with blow valve by upper valve body 1,
Blow valve is connected to air inlet 4 by pressure ports 15, and blow valve includes emptying valve body 16, is equipped with accommodating cavity in emptying valve body 16
17, emptying 16 one end of valve body is connected with drive end bearing bracket 18, and emptying 16 other end of valve body is connected with rear end cap 19, is vented on valve body 16 and sets
There is the entrance 20 being connected to accommodating cavity 17, drive end bearing bracket 18 is equipped with the outlet 21 being connected to accommodating cavity 17, is equipped in accommodating cavity 17
Baffle 22, push rod 23 and baffle spring 24, baffle 22 is between entrance 20 and valve chamber 3,24 one end of baffle spring
To drive end bearing bracket 18 is set to, 24 other end of baffle spring, which supports, is set to baffle 22, effect of the baffle 22 in baffle spring 24
Under will be blocked between entrance 20 and valve chamber 3, when admission pressure is excessive to be needed to be vented, gas is by air inlet 4 through pressure ports
15 enter the entrance 20 of blow valve, and the gas push baffle 22 at entrance 20 compresses the movement of baffle spring 24, so that entrance
It is connected between 20 and valve chamber 3, gas is entered in accommodating cavity 17 by entrance 20 again, then discharge is vented from outlet 21, to ensure
Compressor operation is more reliable and more stable.
The above description is only a preferred embodiment of the present invention, therefore all according to described in the utility model patent application range
The equivalent change or modification done of structure, feature and principle, be included in the scope of the utility model patent application.
Claims (8)
1. a kind of vehicle-mounted intake valve, it is characterised in that: including upper valve body (1) and lower valve body (2), upper valve body (1) and lower valve body (2)
It is fixedly connected, is cooperatively formed valve chamber (3) in upper valve body (1) and lower valve body (2), upper valve body (1) is equipped with to be connected to valve chamber (3)
Air inlet (4), lower valve body (2) are equipped with the exhaust outlet (5) that be connected to valve chamber (3), in the valve chamber (3) equipped with spool (6) and
Valve core spring (7), valve core spring (7), which supports, to be set between lower valve body (2) and spool (6), work of the spool (6) in valve core spring (7)
It is offseted with lower with upper valve body (1), and spool (6) is located at air inlet (4) and valve chamber (3) junction, by air inlet (4) and valve chamber
(3) it is blocked between, the lower valve body (2), which is located at gas outlet, is equipped with multiple branching blocks (8), and multiple branching block (8) one end are under
The other end of valve body (2) inner wall circumference uniform distribution, multiple branching blocks (8) is connected in lower valve body (2) inner wall the center point, the shunting
Block (8) is an integral molding structure with lower valve body (2).
2. a kind of vehicle-mounted intake valve according to claim 1, it is characterised in that: multiple branching block (8) connections are formed
Have guide post (9), hollow in guide post (9) to be formed with guide groove (10), spool (6) is connected with leading in guide groove (10)
To bar (11).
3. a kind of vehicle-mounted intake valve according to claim 2, it is characterised in that: guide post (9) periphery is connected through a screw thread
Have adjusting nut (12), valve core spring (7) one end, which is supported, is set to adjusting nut (12), and valve core spring (7) other end, which supports, is set to spool
(6).
4. a kind of vehicle-mounted intake valve according to claim 1, it is characterised in that: lower valve body (2) inner wall is equipped with internal thread segment
(25), upper valve body (1) outer wall is equipped with the first external thread section (26) and and internal screw thread with internal thread segment (25) cooperation from bottom to top
The second external thread section (27) of section (25) cooperation, the lead-in angle of the first external thread section (26) and the importing of the second external thread section (27)
It is arranged between angle in difference, and is formed with axial gap between the first external thread section (26) and the second external thread section (27).
5. a kind of vehicle-mounted intake valve according to claim 1, it is characterised in that: upper valve body (1) inner wall is arc surface.
6. a kind of vehicle-mounted intake valve according to claim 1, it is characterised in that: set between upper valve body (1) and lower valve body (2)
Have sealing ring (13), is equipped with gasket (14) between spool (6) and upper valve body (1).
7. a kind of vehicle-mounted intake valve according to claim 1, it is characterised in that: upper valve body (1) is equipped with air inlet (4) even
Logical pressure ports (15), upper valve body (1) is other to be connected with blow valve, and blow valve is connected to air inlet by pressure ports (15)
(4).
8. a kind of vehicle-mounted intake valve according to claim 7, it is characterised in that: the blow valve includes emptying valve body
(16), accommodating cavity (17) are equipped in emptying valve body (16), emptying valve body (16) one end is connected with drive end bearing bracket (18), is vented valve body
(16) other end is connected with rear end cap (19), and emptying valve body (16) is equipped with the entrance (20) being connected to accommodating cavity (17), front end
Lid (18) is equipped with the outlet (21) that be connected to accommodating cavity (17), in accommodating cavity (17) equipped with baffle (22), push rod (23) and
Baffle spring (24), baffle (22) are located between entrance (20) and valve chamber (3), and baffle spring (24) one end is to before being set to
End cap (18), baffle spring (24) other end, which supports, is set to baffle (22), work of the baffle (22) in baffle spring (24)
Will be blocked between entrance (20) and valve chamber (3) under.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821687726.7U CN209444866U (en) | 2018-10-18 | 2018-10-18 | A kind of vehicle-mounted intake valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821687726.7U CN209444866U (en) | 2018-10-18 | 2018-10-18 | A kind of vehicle-mounted intake valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209444866U true CN209444866U (en) | 2019-09-27 |
Family
ID=68010327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821687726.7U Active CN209444866U (en) | 2018-10-18 | 2018-10-18 | A kind of vehicle-mounted intake valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209444866U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114135714A (en) * | 2020-09-03 | 2022-03-04 | 浙江盾安人工环境股份有限公司 | Throttle valve |
| CN114180192A (en) * | 2022-02-17 | 2022-03-15 | 山东凯欣绿色农业发展股份有限公司 | Pressure reduction type fruit preservation device |
-
2018
- 2018-10-18 CN CN201821687726.7U patent/CN209444866U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114135714A (en) * | 2020-09-03 | 2022-03-04 | 浙江盾安人工环境股份有限公司 | Throttle valve |
| CN114135714B (en) * | 2020-09-03 | 2024-04-02 | 浙江盾安人工环境股份有限公司 | Throttle valve |
| CN114180192A (en) * | 2022-02-17 | 2022-03-15 | 山东凯欣绿色农业发展股份有限公司 | Pressure reduction type fruit preservation device |
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