CN209705409U - A kind of automatic pressure reducing valve convenient for adjusting pressure size - Google Patents
A kind of automatic pressure reducing valve convenient for adjusting pressure size Download PDFInfo
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- CN209705409U CN209705409U CN201920422060.0U CN201920422060U CN209705409U CN 209705409 U CN209705409 U CN 209705409U CN 201920422060 U CN201920422060 U CN 201920422060U CN 209705409 U CN209705409 U CN 209705409U
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- valve
- semicanal
- air inlet
- valve body
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Abstract
The utility model discloses a kind of automatic pressure reducing valves convenient for adjusting pressure size, belong to pressure reducing valve technical field, including valve body, valve deck is provided at the top of valve body, valve deck is internally provided with threaded hole, the inside thread of threaded hole is connected with valve rod, the bottom of valve rod is provided with spool, the inside of valve body is equipped with valve seat, valve body is internally provided with diaphragm, and fixed plate is provided on the outside of valve rod, is provided with pressure spring on the outside of valve rod, and pressure spring, between fixed plate and diaphragm, the two sides of valve body are respectively arranged with air inlet and air outlet.The utility model is passed through by gas from air inlet, upper and lower multiple groups metal clips can have choked flow effect to gas, to slow down gas shock, prevent air-flow from damaging to valve inner, and buffer spring is compressed by metal clips deformation, one step buffering is carried out to gas shock by buffer spring deformation, so that effect of easing stress is more preferable.
Description
Technical field
The utility model relates to pressure reducing valve technical field, specially a kind of automatic pressure reducing valve convenient for adjusting pressure size.
Background technique
Pressure reducing valve is inlet pressure to be reduced to the outlet pressure of a certain needs, and by the energy of medium itself by adjusting
Amount, makes the autostable valve of outlet pressure, pressure reducing valve is the restricting element that a local resistance can change, that is, passes through change
Orifice size changes the kinetic energy of flow velocity and fluid, causes different pressures to lose, to achieve the purpose that decompression, but work as air-flow
When the dynamics of impact is excessive, valve inner is be easy to cause to damage, influences effect of easing stress.
Utility model content
The purpose of this utility model is that: in order to solve to be easy to cause valve inner when the dynamics of gas shock is excessive
The problem of damaging, influencing effect of easing stress provides a kind of automatic pressure reducing valve convenient for adjusting pressure size.
To achieve the above object, the utility model provides the following technical solutions: a kind of convenient for the automatic of adjusting pressure size
Pressure reducing valve, including valve body are provided with valve deck at the top of the valve body, and the valve deck is internally provided with threaded hole, the screw thread
The inside thread in hole is connected with valve rod, and the bottom of the valve rod is provided with spool, and the inside of the valve body is equipped with valve seat, described
Valve body is internally provided with diaphragm, and fixed plate is provided on the outside of the valve rod, is provided with pressure spring on the outside of the valve rod,
And pressure spring is between fixed plate and diaphragm, the two sides of the valve body are respectively arranged with air inlet and air outlet, it is described into
Lower section on the inside of port is provided with the first semicanal, and the top on the inside of the air inlet is provided with the second semicanal, first semicanal
Multiple groups metal clips is all provided with the inside of the second semicanal, and the inside of first semicanal and the second semicanal is all equipped with multiple groups
Buffer spring, and the end of buffer spring is connected with metal clips.
Preferably, the valve seat is in hollow tubular structure, is provided with seal washer at the top of the valve seat.
Preferably, the air inlet and air outlet are all in hollow tubular structure, first semicanal and the second semicanal
Longitudinal cross-section all semicircular in shape structures, and the medial surface in the outside and air inlet of the first semicanal and the second semicanal fits.
Preferably, the outside of first semicanal and the second semicanal is all provided with snap-gauge, and the longitudinal cross-section of the snap-gauge is in
L-shaped structure, the medial surface of the snap-gauge and the lateral surface of air inlet fit, and are provided with external screw thread on the outside of the snap-gauge.
Preferably, handle is provided at the top of the valve rod, and handle is located at the outside of valve body.
Preferably, the metal clips is stainless steel SUS301 material.
Compared with prior art, the utility model has the beneficial effects that the utility model is passed through by gas from air inlet,
Upper and lower multiple groups metal clips can have choked flow effect to prevent air-flow from causing to damage to valve inner to slow down gas shock to gas
Evil, and buffer spring is compressed by metal clips deformation, a step buffering is carried out to gas shock by buffer spring deformation, so that
Effect of easing stress is more preferable.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the enlarged drawing of the utility model A；
Fig. 3 is the structural schematic diagram of the utility model the first semicanal and the second semicanal；
Fig. 4 is the structural schematic diagram of the first semicanal of the utility model.
In figure: 1, valve body；2, valve deck；3, threaded hole；4, valve rod；5, spool；6, diaphragm；7, pressure spring；8, fixed plate；
9, external screw thread；10, valve seat；11, seal washer；12, air inlet；13, gas outlet；14, the second semicanal；15, metal clips；16,
Buffer spring；17, the first semicanal；18, snap-gauge.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-4, a kind of automatic pressure reducing valve convenient for adjusting pressure size, including valve body 1, the top of valve body 1 is please referred to set
It is equipped with valve deck 2, valve deck 2 is internally provided with threaded hole 3, and the inside thread of threaded hole 3 is connected with valve rod 4, and the bottom of valve rod 4 is set
It is equipped with spool 5, the inside of valve body 1 is equipped with valve seat 10, and valve body 1 is internally provided with diaphragm 6, and the outside of valve rod 4 is provided with solid
Fixed board 8, the outside of valve rod 4 are provided with pressure spring 7, and pressure spring 7 is between fixed plate 8 and diaphragm 6, and the two of valve body 1
Side is respectively arranged with air inlet 12 and gas outlet 13, and the lower section of 12 inside of air inlet is provided with the first semicanal 17, in air inlet 12
It is provided with the second semicanal 14 above side, the inside of the first semicanal 17 and the second semicanal 14 is all provided with multiple groups metal clips 15,
The inside of first semicanal 17 and the second semicanal 14 is all equipped with multiple groups buffer spring 16, and the end of buffer spring 16 and metal elastic
Piece 15 is connected, and air inlet 12 and gas outlet 13 are all in hollow tubular structure, the longitudinal direction of the first semicanal 17 and the second semicanal 14
Section all semicircular in shape structures, and the medial surface in the outside and air inlet 12 of the first semicanal 17 and the second semicanal 14 fits, just
In the inside that metal clips 15 and buffer spring 16 are placed on to air inlet 12 by the first semicanal 17 and the second semicanal 14, so as to
Subsequent to buffer to air-flow, the top of valve rod 4 is provided with handle, and handle is located at the outside of valve body 1, rotating handle, so as to
Band ovable valve stem 4 rotates, and metal clips 15 is stainless steel SUS301 material, has elasticity, can buffer to air-flow, and stainless steel
Corrosion Protection is stronger, so that service life extends.
In the present embodiment, when air-flow is passed through from air inlet 12, metal clips 15 is impacted, to be carried out to air-flow
Stop, and metal clips 15 compresses buffer spring 16, so that 16 deformation of buffer spring, further to the impact force of air-flow
Buffering, prevents gas shock dynamics excessive, valve internal is caused to damage.
It please focus on refering to figure, valve seat 10 is in hollow tubular structure, and the top of valve seat 10 is provided with seal washer 11.
In the present invention, it is in contact by spool 5 with valve seat 10, to realize the closing of valve, seal washer 11 is anti-
Gas leakage when only valve is closed, so that the sealing effect is better.
Please emphatically refering to fig. 1 and Fig. 3, the outside of the first semicanal 17 and the second semicanal 14 is all provided with snap-gauge 18, snap-gauge 18
The L-shaped structure in longitudinal cross-section, the lateral surface of the medial surface and air inlet 12 of snap-gauge 18 fits, the outside setting of snap-gauge 18
There is external screw thread.
In the present invention, it is fitted by snap-gauge 18 and air inlet 12, to the first semicanal 17 and the second semicanal 14
It is fixed, prevents the first semicanal 17 and the second semicanal 14 mobile in the inside of air inlet 12, and external screw thread is convenient for connection
Air inlet pipe is brought convenience to staff.
Working principle: turn handle is moved up and down by the mutual cooperation of threaded hole 3 and valve rod 4 with band movable valve plug 5, when
When spool 5 and valve seat 10 fit, realize the closing of valve, when spool 5 and valve seat 10 far from when, realize the unlatching of valve, valve
Air-flow inside body 1 agitates diaphragm 6, so that diaphragm 6 drives 7 deformation of pressure spring, to achieve the purpose that decompression, by the
One semicanal 17 is stuck in the lower section of the inside of air inlet 12, then the second semicanal 14 is stuck in the top of 12 inside of air inlet, makes the second half
The bottom connection of the top of pipe 14 and the second semicanal 14 touches, and snap-gauge 18 resists the external port of air inlet 12, to the first semicanal 17
It is fixed with the second semicanal 14, prevents gas shock from causing the first semicanal 17 and the second semicanal 14 in the inside of valve body 1
It is mobile, and pass through the mutual cooperation of external screw thread 9, convenient for facilitating people to grasp by 18 external air inlet pipe (being not drawn into figure) of snap-gauge
Make, when air-flow is passed through from air inlet 12, upper and lower multiple groups metal clips 15 forms " S " type channel, to slow down air-flow velocity, and it is logical
Excessive metal clips 15 is impacted, so that 16 deformation of buffer spring prevents gas shock to buffer to gas shock
Dynamics is excessive, to causing to damage inside valve body 1.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
Claims (6)
1. a kind of automatic pressure reducing valve convenient for adjusting pressure size, including valve body (1), it is characterised in that: the top of the valve body (1)
Portion is provided with valve deck (2), and the valve deck (2) is internally provided with threaded hole (3), the inside thread connection of the threaded hole (3)
Have valve rod (4), the bottom of the valve rod (4) is provided with spool (5), and the inside of the valve body (1) is equipped with valve seat (10), described
Valve body (1) is internally provided with diaphragm (6), is provided with fixed plate (8) on the outside of the valve rod (4), the outside of the valve rod (4)
It is provided with pressure spring (7), and pressure spring (7) is located between fixed plate (8) and diaphragm (6), the two sides point of the valve body (1)
It is not provided with air inlet (12) and gas outlet (13), the lower section on the inside of the air inlet (12) is provided with the first semicanal (17), institute
It states the top on the inside of air inlet (12) to be provided with the second semicanal (14), the inside of first semicanal (17) and the second semicanal (14)
It is all provided with multiple groups metal clips (15), the inside of first semicanal (17) and the second semicanal (14) is all equipped with multiple groups buffering
Spring (16), and the end of buffer spring (16) is connected with metal clips (15).
2. a kind of automatic pressure reducing valve convenient for adjusting pressure size according to claim 1, it is characterised in that: the valve seat
(10) it is in hollow tubular structure, is provided with seal washer (11) at the top of the valve seat (10).
3. a kind of automatic pressure reducing valve convenient for adjusting pressure size according to claim 1, it is characterised in that: the air inlet
Mouth (12) and gas outlet (13) is all in hollow tubular structure, the longitudinal cross-section of first semicanal (17) and the second semicanal (14)
All semicircular in shape structures, and the outside of the first semicanal (17) and the second semicanal (14) and the medial surface of air inlet (12) fit.
4. a kind of automatic pressure reducing valve convenient for adjusting pressure size according to claim 1, it is characterised in that: described first
The outside of semicanal (17) and the second semicanal (14) is all provided with snap-gauge (18), the L-shaped knot in longitudinal cross-section of the snap-gauge (18)
The lateral surface of structure, the medial surface and air inlet (12) of the snap-gauge (18) fits, and is provided on the outside of the snap-gauge (18) outer
Screw thread.
5. a kind of automatic pressure reducing valve convenient for adjusting pressure size according to claim 1, it is characterised in that: the valve rod
(4) handle is provided at the top of, and handle is located at the outside of valve body (1).
6. a kind of automatic pressure reducing valve convenient for adjusting pressure size according to claim 1, it is characterised in that: the metal
Elastic slice (15) is stainless steel SUS301 material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920422060.0U CN209705409U (en) | 2019-03-30 | 2019-03-30 | A kind of automatic pressure reducing valve convenient for adjusting pressure size |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920422060.0U CN209705409U (en) | 2019-03-30 | 2019-03-30 | A kind of automatic pressure reducing valve convenient for adjusting pressure size |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209705409U true CN209705409U (en) | 2019-11-29 |
Family
ID=68646304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920422060.0U Active CN209705409U (en) | 2019-03-30 | 2019-03-30 | A kind of automatic pressure reducing valve convenient for adjusting pressure size |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209705409U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112161099A (en) * | 2020-10-13 | 2021-01-01 | 蒙丽香 | Internal rotation type cracking-proof valve |
| CN113404927A (en) * | 2021-06-25 | 2021-09-17 | 江苏盐阜电站阀门辅机制造有限公司 | Filtering type pressure reducing valve with buffer device |
-
2019
- 2019-03-30 CN CN201920422060.0U patent/CN209705409U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112161099A (en) * | 2020-10-13 | 2021-01-01 | 蒙丽香 | Internal rotation type cracking-proof valve |
| CN113404927A (en) * | 2021-06-25 | 2021-09-17 | 江苏盐阜电站阀门辅机制造有限公司 | Filtering type pressure reducing valve with buffer device |
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