CN109506021A - A kind of high-performance sealed quick-changing type angle one-way valve - Google Patents
A kind of high-performance sealed quick-changing type angle one-way valve Download PDFInfo
- Publication number
- CN109506021A CN109506021A CN201811596410.1A CN201811596410A CN109506021A CN 109506021 A CN109506021 A CN 109506021A CN 201811596410 A CN201811596410 A CN 201811596410A CN 109506021 A CN109506021 A CN 109506021A
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- CN
- China
- Prior art keywords
- valve
- spring
- right end
- lid
- pressure
- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
- F16K15/02—Check valves with guided rigid valve members
- F16K15/025—Check valves with guided rigid valve members the valve being loaded by a spring
- F16K15/026—Check valves with guided rigid valve members the valve being loaded by a spring the valve member being a movable body around which the medium flows when the valve is open
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/0209—Check valves or pivoted valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/08—Guiding yokes for spindles; Means for closing housings; Dust caps, e.g. for tyre valves
Abstract
It is disclosed by the invention to belong to check valve technical field, specially a kind of high-performance sealed quick-changing type angle one-way valve, with valve housing, pressure valve lid, valve body, first spring, air inlet, gas outlet and spool, the right end of the valve body is sheathed on the inner cavity of the valve housing, the pressure valve lid is fixedly connected with the valve housing, by the way that valve rod is arranged, limited block and second spring, and valve rod is fixedly connected with spool, so that in the cracking pressure for needing to adjust the check valve, protecting cover need to only be disassembled from pressure valve lid using screwdriver, and under second spring is dismantled from protecting cover and limited block, and replace the spring of different stiffness factors, the cracking pressure of the check valve is adjusted to realize, under avoiding current check valve from needing to dismantle valve body and spool from the inner cavity of valve housing when its cracking pressure is adjusted Spring can just be replaced, so that the problem that adjustment process is complex.
Description
Technical field
It is disclosed by the invention to belong to check valve technical field, specially a kind of high-performance sealed quick-changing type angle one-way valve.
Background technique
Check valve is that fluid can only be flowed along water inlet, and water outlet medium can not but flow back, and be commonly called as check valve.Check valve is again
Claim check-valves or non-return valve.It is empty for preventing oil stream reverse flow in hydraulic system, or for preventing from compressing in pneumatic system
Gas reverse flow.Check valve has through type and two kinds of right-angle type.Straight check valve, which is threadedly coupled, to be installed on the pipeline.Right angle
Formula check valve has threaded connection, board-like connection and three kinds of forms of flanged joint, check valve to have through type and two kinds of right-angle type.It is straight-through
Formula check valve, which is threadedly coupled, to be installed on the pipeline.Angle check valve have threaded connection, it is board-like connection and three kinds of flanged joint
Form.Hydraulic control one-way valve is also referred to as locking-valve or pressure retaining valve, it is identical as check valve, to prevent oil liquid reverse flow, current
Check valve needs to disassemble valve body and spool from the inner cavity of valve housing when its cracking pressure is adjusted just can be right
Spring is replaced, so that the problem that adjustment process is complex, for this purpose, we have proposed a kind of high-performance sealed quick-changing type is straight
Angle check valve comes into operation, to solve the above problems.
Summary of the invention
The purpose of the present invention is to provide a kind of high-performance sealed quick-changing type angle one-way valves, to solve above-mentioned background technique
The current check valve of middle proposition is needed valve body and spool when its cracking pressure is adjusted from the inner cavity of valve housing
Can just spring be replaced by disassembling, so that the problem that adjustment process is complex.
To achieve the above object, the invention provides the following technical scheme: a kind of high-performance sealed quick-changing type angle one-way valve,
With valve housing, pressure valve lid, valve body, the first spring, air inlet, gas outlet and spool, the right end of the valve body is sheathed on institute
The inner cavity of valve housing is stated, the pressure valve lid is fixedly connected with the valve housing, and the pressure valve lid is mutually clamped with the valve body,
The air inlet is opened in the right end of the valve housing, and the gas outlet is opened in the upper and lower ends of the valve housing, institute
State the inner cavity that the first spring pocket is set to the valve body, first spring is fixedly connected with the valve body, first spring and
Spool is fixedly connected, and the high-performance sealed quick-changing type angle one-way valve also has, valve rod, limited block, second spring and protecting cover,
The valve rod runs through the pressure valve lid, and the valve rod is fixedly connected with the spool, the left end of the limited block and the valve rod
It is fixedly connected, the right end of the second spring is fixedly connected with the limited block, the left end of the second spring and the protecting cover
It is fixedly connected, is bolted to connection between the protecting cover and the pressure valve lid.
Preferably, the right end of the valve body offers integrally formed spring groove, the right end and upper and lower ends of the valve body
Offer integrally formed stomata, the stomata is connected with the spring groove, stomata described in right end and the spring groove it
Between be equipped with integrally formed cone tank, the tapered structure of spool.
Preferably, the first sealing ring, first sealing ring are fixedly installed between the valve body and the valve housing
It is set to the right side of the valve body, first sealing ring is viton seal ring.
Preferably, integrally formed groove is offered on the outside of the right end of the pressure valve lid, the inner cavity of the groove is arranged with
Second sealing ring, second sealing ring are in contact with the valve housing.
Preferably, the right end of the valve housing is uniformly equidistantly equipped with integrally formed stud, and the stud runs through institute
Pressure valve lid is stated, the outside screw of the stud is connected with nut, is connected with third between the valve housing and the pressure valve lid
Sealing ring.
Compared with prior art, the beneficial effects of the present invention are: by setting valve rod, limited block and second spring, and will
Valve rod is fixedly connected with spool so that in the cracking pressure for needing to adjust the check valve, only need to using screwdriver by protecting cover from
Pressure valve lid disassembles, and under second spring is dismantled from protecting cover and limited block, and replaces the spring of different stiffness factors, from
And realize and the cracking pressure of the check valve is adjusted, avoid current check valve from needing when its cracking pressure is adjusted
Valve body and spool are disassembled from the inner cavity of valve housing can just replace spring, so that adjustment process is complex
The problem of.
Detailed description of the invention
Fig. 1 is structure of the invention cross-sectional view；
Fig. 2 is structure of the invention right view.
In figure: 1 stud, 2 nuts, 3 pressure valve lids, 4 second sealing rings, 5 valve bodies, 6 valve housings, 7 first sealing rings, 8 into
Port, 9 gas outlets, 10 spools, 11 first springs, 12 valve rods, 13 protecting covers, 14 limited blocks, 15 second springs, 16 grooves, 17 cones
Shape slot, 18 spring grooves, 19 third sealing rings, 20 stomatas.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The present invention provides a kind of technical solution: a kind of high-performance sealed quick-changing type angle one-way valve, for controlling gas
One-way flow, referring to Fig. 1, having valve housing 6, pressure valve lid 3, valve body 5, the first spring 11, air inlet 8, gas outlet 9 and valve
Core 10, the right end of valve body 5 are sheathed on the inner cavity of valve housing 6, and pressure valve lid 3 is fixedly connected with valve housing 6, pressure valve lid 3 and valve
The clamping of 5 phase of body, air inlet 8 are opened in the right end of valve housing 6, and gas outlet 9 is opened in the upper and lower ends of valve housing 6, and first
Spring 11 is sheathed on the inner cavity of valve body 5, and the first spring 11 is fixedly connected with valve body 5, and the first spring 11 is fixedly connected with spool 10,
In gas after the entrance of air inlet 8, the pressure of gas pushes spool 10 to slide to the left, and stops to air inlet 8 and gas outlet 9
Obstruction, so that air inlet 8 is connected with gas outlet 9, gas can be discharged from gas outlet 9, high-performance sealed quick-changing type right angle list
Also have to valve, valve rod 12, limited block 14, second spring 15 and protecting cover 13, valve rod 12 runs through pressure valve lid 3, valve rod 12 and spool
10 are fixedly connected, and limited block 14 is fixedly connected with the left end of valve rod 12, and the right end of second spring 15 is fixedly connected with limited block 14,
The left end of second spring 15 is fixedly connected with protecting cover 13, is bolted to connection between protecting cover 13 and pressure valve lid 3, so that needing
When adjusting the cracking pressure of the check valve, protecting cover 13 need to only be disassembled from pressure valve lid 3 using screwdriver, and by second
Under spring 15 is dismantled from protecting cover 13 and limited block 14, and the spring of different stiffness factors is replaced, to realize to the check valve
Cracking pressure be adjusted, avoid current check valve from being needed when its cracking pressure is adjusted by valve body 5 and spool
10 disassemble from the inner cavity of valve housing 6 and can just replace to spring, so that the problem that adjustment process is complex, valve body
5 right end offers integrally formed spring groove 18, and the right end and upper and lower ends of valve body 5 offer integrally formed stomata
20, stomata 20 is connected with spring groove 18, and integrally formed cone tank 17, spool are equipped between right end stomata 20 and spring groove 18
10 tapered structures, the stomata 20 for allowing the first spring 11 that the spool 10 of pyramidal structure is pushed to resist right end, thus by right
End stomata 10 blocks, and avoids gas from the side leakage of spool 10 to the inner cavity of spring groove 18, valve body 5 and valve housing 6 it
Between be fixedly installed with the first sealing ring 7, the first sealing ring 7 is set to the right side of valve body 5, and the first sealing ring 7 is fluorubber sealing
Circle, the first sealing ring 7 is installed between valve housing 6 and valve body 5, is made gas when entering the inner cavity of air inlet 8, can be hindered
The right end outside of only gas slot leakage place between valve housing 6 and valve body 5, pressure valve lid 3 offers integrally formed groove
16, the inner cavity of groove 16 is arranged with the second sealing ring 4, and the second sealing ring 4 is in contact with valve housing 6, make gas from into
When port 8 flows into gas outlet 9, the second sealing ring 4 can prevent the gas flowed between valve body 5 and valve housing 6 from gas outlet 9
Clearance leakage goes out between outer housing 6 and pressure valve lid 3, to improve the air-tightness of the check valve, the right end of valve housing 6 is uniform
It is equidistantly equipped with integrally formed stud 1, stud 1 runs through pressure valve lid 3, and the outside screw of stud 1 is connected with nut 2, valve shell
Third sealing ring 19 is connected between body 6 and pressure valve lid 3, to prevent extraneous rainwater between valve housing 6 and pressure valve lid 3
Gap flows into the inner cavity of groove 16, to reduce the aging speed of the second sealing ring 4 of 16 inner cavity of groove；
When using the check valve, admission line is connect with air inlet 8, exhaust pipe is connect with gas outlet 9, is there is gas
When body is injected from air inlet 8, the pressure of gas pushes spool 10 to slide to the left along spring groove 18, and squeezes the contraction of spring 8, simultaneously
Spool 10 is detached from the stomata 20 of 5 right end of valve body and upper and lower ends so that air inlet 8 is connected with gas outlet 9, gas can from into
Port 8 is discharged into gas outlet 9, is finally discharged into the exhaust pipe connecting with gas outlet 9.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (5)
1. a kind of high-performance sealed quick-changing type angle one-way valve has valve housing (6), pressure valve lid (3), valve body (5), the first bullet
The right end of spring (11), air inlet (8), gas outlet (9) and spool (10), the valve body (5) is sheathed on the valve housing (6)
Inner cavity, the pressure valve lid (3) are fixedly connected with the valve housing (6), and the pressure valve lid (3) is mutually clamped with the valve body (5),
The air inlet (8) is opened in the right end of the valve housing (6), and the gas outlet (9) is opened in the valve housing (6)
Upper and lower ends, first spring (11) are sheathed on the inner cavity of the valve body (5), first spring (11) and the valve body
(5) it is fixedly connected, first spring (11) is fixedly connected with spool (10), it is characterised in that: the high-performance sealed quick change
Formula angle one-way valve also has, and valve rod (12), limited block (14), second spring (15) and protecting cover (13), the valve rod (12) are passed through
The pressure valve lid (3) is worn, the valve rod (12) is fixedly connected with the spool (10), the limited block (14) and the valve rod
(12) left end is fixedly connected, and the right end of the second spring (15) is fixedly connected with the limited block (14), second bullet
The left end of spring (15) is fixedly connected with the protecting cover (13), solid by bolt between the protecting cover (13) and the pressure valve lid (3)
Fixed connection.
2. a kind of high-performance sealed quick-changing type angle one-way valve according to claim 1, it is characterised in that: the valve body
(5) right end offers integrally formed spring groove (18), the right end of the valve body (5) and upper and lower ends offer one at
The stomata (20) of type, the stomata (20) are connected with the spring groove (18), stomata described in right end (20) and the spring groove
(18) integrally formed cone tank (17) are equipped between, the tapered structure of the spool (10).
3. a kind of high-performance sealed quick-changing type angle one-way valve according to claim 1, it is characterised in that: the valve body
(5) it is fixedly installed between the valve housing (6) the first sealing ring (7), first sealing ring (7) is set to the valve
The right side of body (5), first sealing ring (7) are viton seal ring.
4. a kind of high-performance sealed quick-changing type angle one-way valve according to claim 1, it is characterised in that: the pressure valve lid
(3) it being offered integrally formed groove (16) on the outside of right end, the inner cavity of the groove (16) is arranged with the second sealing ring (4),
Second sealing ring (4) is in contact with the valve housing (6).
5. a kind of high-performance sealed quick-changing type angle one-way valve according to claim 1, it is characterised in that: the valve shell
The right end of body (6) is uniformly equidistantly equipped with integrally formed stud (1), and the stud (1) runs through the pressure valve lid (3), described
The outside screw of stud (1) is connected with nut (2), and it is close to be connected with third between the valve housing (6) and the pressure valve lid (3)
Seal (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811596410.1A CN109506021A (en) | 2018-12-26 | 2018-12-26 | A kind of high-performance sealed quick-changing type angle one-way valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811596410.1A CN109506021A (en) | 2018-12-26 | 2018-12-26 | A kind of high-performance sealed quick-changing type angle one-way valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109506021A true CN109506021A (en) | 2019-03-22 |
Family
ID=65755361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811596410.1A Withdrawn CN109506021A (en) | 2018-12-26 | 2018-12-26 | A kind of high-performance sealed quick-changing type angle one-way valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109506021A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110529620A (en) * | 2019-08-16 | 2019-12-03 | 广州市红日燃具有限公司 | A kind of integrated form Gas appliance control valve |
-
2018
- 2018-12-26 CN CN201811596410.1A patent/CN109506021A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110529620A (en) * | 2019-08-16 | 2019-12-03 | 广州市红日燃具有限公司 | A kind of integrated form Gas appliance control valve |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190322 |