CN208311608U - A kind of axial-flow type pressure reducing valve - Google Patents
A kind of axial-flow type pressure reducing valve Download PDFInfo
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- CN208311608U CN208311608U CN201721825910.9U CN201721825910U CN208311608U CN 208311608 U CN208311608 U CN 208311608U CN 201721825910 U CN201721825910 U CN 201721825910U CN 208311608 U CN208311608 U CN 208311608U
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Abstract
The utility model discloses a kind of axial-flow type pressure reducing valves, including valve body, and valve body is axially through one end of valve body is equipped with water outlet；Valve deck, valve deck is axially through one end of valve deck is equipped with water inlet, and the other end of valve deck is threadedly coupled with the other end of valve body；Piston, piston is axially through side of the inside close to water outlet of valve body is arranged in piston；The inside of valve body and valve deck is arranged in close to the side of water inlet in valve seat, valve seat, and valve seat is sheathed on the outside of piston, and one end of valve seat is threadedly coupled with a bottom plug；Spring is equipped with spring between piston and valve seat, one end of spring is butted on piston, and the other end of spring is butted on the other end of valve seat.The utility model uses axially symmetric runner, it is entirely avoided unnecessary flow direction changes, and reduces noise and turbulent trend.Groove is arranged in valve seat periphery in the utility model, no matter valve body and valve seat is made to turn to which angle can realize exhaust, improve installation convenience, piston pressure release is more reliable.
Description
Technical field
The utility model relates to the technical field of pressure reducing valve more particularly to a kind of axial-flow type pressure reducing valves.
Background technique
Water heater, water softening device device since there are one for conduit fluid pressure and device can be born at water inlet pressure itself
Make into, the devices such as water heater, water softening device inlet end hydraulic pressure excessive the problems such as leaking in order to prevent, need device into
Pressure reducing valve is installed to reduce intake pressure and guarantee that pressure is stablized in mouth of a river end.
Currently, pressure reducing valve can be divided into diaphragm type, spring diaphragm type, piston type, lever and bellows-type by structure type,
But existing pressure reducing valve has that poor sealing performance, the service life is short, expensive, negotiability is poor and disturbs to the above pressure reducing valve on the market
Move the problems such as big.With the raising of people's quality of the life, the service performance excellent to household electronic products is (as long uses the longevity
Life, high control precision etc.) more stringent requirements are proposed.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of axial-flow type pressure reducing valve, for solve poor sealing performance,
The problems such as service life is short, expensive, negotiability is poor and disturbance is big.
To achieve the goals above, the technical solution that the utility model is taken are as follows:
A kind of axial-flow type pressure reducing valve, wherein include: valve body, the valve body is axially through one end of the valve body is equipped with
The mouth of a river；Valve deck, the valve deck is axially through one end of the valve deck is equipped with water inlet, the other end of the valve deck and the valve
The other end of body is threadedly coupled；Piston, the piston is axially through the inside of the valve body is arranged in close to described in the piston
The side of water outlet；The inside of the valve body and the valve deck is arranged in close to the side of the water inlet in valve seat, the valve seat,
The valve seat is sheathed on the outside of the piston, and one end of the valve seat is threadedly coupled with a bottom plug；Spring, the piston and institute
It states and is equipped with the spring between valve seat, one end of the spring is butted on the piston, and the other end of the spring is butted on the valve
The other end of seat.
Above-mentioned axial-flow type pressure reducing valve, wherein the piston is an integral structure, and the piston includes the interconnecting piece of plate-like
With the piston portion of tubulose, the interconnecting piece is connected with the piston portion, the inner wall of the outer rim of the interconnecting piece and the valve body
Slidable connection.
Above-mentioned axial-flow type pressure reducing valve, wherein the valve seat is an integral structure, and the valve seat includes close to the water inlet
The ventilating part of the water entering section of mouth and the close water outlet, the water entering section are located in the valve deck, and the ventilating part is located at institute
It states in valve body, the diameter of the water entering section is less than the diameter of the ventilating part.
Above-mentioned axial-flow type pressure reducing valve, wherein cricoid positive stop lug boss is extended inwardly to form in the middle part of the valve seat, it is described
Piston portion runs through the positive stop lug boss, the piston portion and the positive stop lug boss slidable connection.
Above-mentioned axial-flow type pressure reducing valve, wherein the spring be Spring capable of diameter varying, the spring close to the water inlet one
End is bigger diameter end, and the spring is miner diameter end close to one end of the water outlet, and the bigger diameter end is butted on the ventilating part, described
Miner diameter end is butted on the interconnecting piece.
Above-mentioned axial-flow type pressure reducing valve, wherein several recirculation holes are offered on the side wall of the water entering section.
Above-mentioned axial-flow type pressure reducing valve, wherein the first venthole is offered on the side wall of the valve body, the ventilating part
The second venthole is offered on side wall, offers cricoid groove on the outer wall of the valve seat, first venthole and described
Second venthole is connected by the groove.
Above-mentioned axial-flow type pressure reducing valve, wherein the first sealing ring is equipped between the interconnecting piece and the inner wall of the valve body,
It is equipped with the second sealing ring between the ventilating part and the valve deck, it is close that third is equipped between the piston portion and the positive stop lug boss
Seal.
Above-mentioned axial-flow type pressure reducing valve, wherein the bottom plug is equipped with gasket close to one end of the ventilating part.
Due to using above-mentioned technology, the good effect for being allowed to have compared with prior art is the utility model:
(1) the utility model uses axially symmetric runner, it is entirely avoided the change of unnecessary flow direction makes noise and disorderly
Stream trend reduces.
(2) the utility model is equipped with multiple sealing rings and gasket, realizes the high leakproofness of product, substantially increases product
Quality.
(3) groove is arranged in the valve seat periphery in the utility model, no matter valve body and valve seat is made to turn to which angle all
It may be implemented to be vented, improve installation convenience, piston pressure release is more reliable.
Detailed description of the invention
Fig. 1 is the schematic diagram of the axial-flow type pressure reducing valve of the utility model.
In attached drawing: 1, valve body；2, valve deck；3, piston；31, interconnecting piece；32, piston portion；4, valve seat；41, water entering section；411,
Recirculation hole；42, ventilating part；43, positive stop lug boss；5, bottom plug；6, spring；71, the first venthole；72, the second venthole；73, recessed
Slot；81, the first sealing ring；82, the second sealing ring；83, third sealing ring；84, gasket.
Specific embodiment
The utility model is described in further detail in the following with reference to the drawings and specific embodiments, but not as the utility model
It limits.
Fig. 1 is the schematic diagram of the axial-flow type pressure reducing valve of the utility model, shown in Figure 1, shows a kind of preferable reality
Apply the axial-flow type pressure reducing valve of example, comprising: valve body 1 and valve deck 2, valve body 1 is axially through one end of valve body 1 is equipped with water outlet.Valve deck
2 axially through one end of valve deck 2 is equipped with water inlet, and the other end of valve deck 2 is threadedly coupled with the other end of valve body 1.Valve body 1
The axis of axis and valve deck 2 is overlapped, and forms axially symmetric runner, and unnecessary flow direction is avoided to change, and reduces noise and turbulent flow becomes
Gesture.
In addition, as a kind of preferred embodiment, axial-flow type pressure reducing valve further include: piston 3, piston 3 is axially through piston
3 are arranged in side of the inside close to water outlet of valve body 1.Piston 3 can be moved along its axis relative to valve body 1 and valve deck 2.
In addition, as a kind of preferred embodiment, axial-flow type pressure reducing valve further include: valve seat 4, valve seat 4 are arranged in 1 He of valve body
Close to the side of water inlet, valve seat 4 is sheathed on the outside of piston 3 for the inside of valve deck 2, and one end of valve seat 4 and 5 screw thread of a bottom plug connect
It connects.
In addition, as a kind of preferred embodiment, axial-flow type pressure reducing valve further include: spring 6 is set between piston 3 and valve seat 4
There is spring 6, one end of spring 6 is butted on piston 3, and the other end of spring 6 is butted on the other end of valve seat 4.Piston is limited by spring 6
3 movement provides reset retentivity for piston 3.
Further, as a kind of preferred embodiment, piston 3 is an integral structure, and piston 3 includes the interconnecting piece 31 of plate-like
With the piston portion 32 of tubulose, interconnecting piece 31 is connected with piston portion 32, and the outer rim of interconnecting piece 31 slidably connects with the inner wall of valve body 1
It connects.
Further, as a kind of preferred embodiment, valve seat 4 is an integral structure, and valve seat 4 includes close to water inlet
The ventilating part 42 of water entering section 41 and close water outlet, water entering section 41 are located in valve deck 2, and ventilating part 42 is located in valve body 1, water entering section
41 diameter is less than the diameter of ventilating part 42.
On the other hand, as a kind of preferred embodiment, the middle part of valve seat 4 extends inwardly to form cricoid positive stop lug boss
43, piston portion 32 runs through positive stop lug boss 43, piston portion 32 and 43 slidable connection of positive stop lug boss.It is limited and is lived by positive stop lug boss 43
Plug 3 only can be along the axial movement of valve body 1 and valve deck 2.
Further, as a kind of preferred embodiment, spring 6 is Spring capable of diameter varying, and spring 6 is big close to one end of water inlet
Diameter end, spring 6 are miner diameter end close to one end of water outlet, and the bigger diameter end of spring 6 is butted on ventilating part 42, and the miner diameter end of spring 6 supports
In interconnecting piece 31.Since spring 6 uses Spring capable of diameter varying, axial-flow type pressure reducing valve has higher operating accuracy.
The foregoing is merely the utility model preferred embodiment, be not intended to limit the embodiments of the present invention and
Protection scope.
The utility model also has on the basis of the above is implemented as follows mode:
In the further embodiment of the utility model, continuing with shown in Figure 1, on the side wall of the water entering section 41 of valve seat 4
Offer several recirculation holes 411.By the aperture area of the mobile change recirculation hole 411 of piston portion 32, pass through the elastic force of spring 6
The folding size that recirculation hole 411 is controlled with fluid pressure balance, keeps constant intake pressure.
In the further embodiment of the utility model, specifically, several recirculation holes 411 are in circle around the axis of water entering section 41
All arrays open up.
In the further embodiment of the utility model, the first venthole 71 is offered on the side wall of valve body 1, ventilating part 42
The second venthole 72 is offered on side wall, cricoid groove 73 is offered on the outer wall of valve seat 4, and the first venthole 71 and second is logical
Stomata 72 is connected by groove 73.By the setting of groove 73, it can make no matter which kind of situation occurs for valve body 1 and valve seat 4
It relatively rotates and exhaust can be achieved, improve installation convenience, while making 3 pressure release of piston more reliable.
In the further embodiment of the utility model, the first sealing ring 81 is equipped between interconnecting piece 31 and the inner wall of valve body 1,
It is equipped with the second sealing ring 82 between ventilating part 42 and valve deck 2, third sealing ring 83 is equipped between piston portion 32 and positive stop lug boss 43.
In the further embodiment of the utility model, the first sealing ring 81, the second sealing ring 82 and third sealing ring 83 are equal
For O-ring, for improving the leakproofness of axial-flow type pressure reducing valve.
In the further embodiment of the utility model, bottom plug 5 is equipped with gasket 84 close to one end of ventilating part 42.
The foregoing is merely the utility model preferred embodiment, be not intended to limit the embodiments of the present invention and
Protection scope should can appreciate that all in the utility model specification and diagram to those skilled in the art
Hold made equivalent replacement and obviously change obtained scheme, the protection model of the utility model should all be included in
In enclosing.
Claims (9)
1. a kind of axial-flow type pressure reducing valve characterized by comprising
Valve body, the valve body is axially through one end of the valve body is equipped with water outlet；
Valve deck, the valve deck is axially through one end of the valve deck is equipped with water inlet, the other end of the valve deck and the valve body
The other end be threadedly coupled；
Piston, the piston is axially through the inside of the valve body is arranged in close to the side of the water outlet in the piston；
The inside of the valve body and the valve deck is arranged in close to the side of the water inlet, the valve seat in valve seat, the valve seat
It is sheathed on the outside of the piston, one end of the valve seat is threadedly coupled with a bottom plug；
Spring is equipped with the spring between the piston and the valve seat, one end of the spring is butted on the piston, the bullet
The other end of spring is butted on the other end of the valve seat.
2. axial-flow type pressure reducing valve according to claim 1, which is characterized in that the piston is an integral structure, the work
Plug includes the interconnecting piece of plate-like and the piston portion of tubulose, and the interconnecting piece is connected with the piston portion, outside the interconnecting piece
The inner wall slidable connection of edge and the valve body.
3. axial-flow type pressure reducing valve according to claim 2, which is characterized in that the valve seat is an integral structure, the valve
Seat includes the water entering section close to the water inlet and the ventilating part close to the water outlet, and the water entering section is located at the valve deck
Interior, the ventilating part is located in the valve body, and the diameter of the water entering section is less than the diameter of the ventilating part.
4. axial-flow type pressure reducing valve according to claim 3, which is characterized in that extend inwardly to form ring in the middle part of the valve seat
The positive stop lug boss of shape, the piston portion run through the positive stop lug boss, the piston portion and the positive stop lug boss slidable connection.
5. axial-flow type pressure reducing valve according to claim 4, which is characterized in that the spring is Spring capable of diameter varying, the spring
It is bigger diameter end close to one end of the water inlet, the spring is miner diameter end, the bigger diameter end close to one end of the water outlet
It is butted on the ventilating part, the miner diameter end is butted on the interconnecting piece.
6. axial-flow type pressure reducing valve according to claim 5, which is characterized in that offered on the side wall of the water entering section several
Recirculation hole.
7. axial-flow type pressure reducing valve according to claim 6, which is characterized in that it is logical to offer first on the side wall of the valve body
Stomata offers the second venthole on the side wall of the ventilating part, cricoid groove is offered on the outer wall of the valve seat, described
First venthole is connected with second venthole by the groove.
8. axial-flow type pressure reducing valve according to claim 7, which is characterized in that the inner wall of the interconnecting piece and the valve body it
Between be equipped with the first sealing ring, between the ventilating part and the valve deck be equipped with the second sealing ring, the piston portion and the limit
Third sealing ring is equipped between boss.
9. axial-flow type pressure reducing valve according to claim 8, which is characterized in that the bottom plug is close to one end of the ventilating part
Equipped with gasket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721825910.9U CN208311608U (en) | 2017-12-22 | 2017-12-22 | A kind of axial-flow type pressure reducing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721825910.9U CN208311608U (en) | 2017-12-22 | 2017-12-22 | A kind of axial-flow type pressure reducing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208311608U true CN208311608U (en) | 2019-01-01 |
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ID=64724726
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721825910.9U Active CN208311608U (en) | 2017-12-22 | 2017-12-22 | A kind of axial-flow type pressure reducing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208311608U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112664691A (en) * | 2020-12-28 | 2021-04-16 | 宁波新佳行自动化工业有限公司 | Special multi-station pressure reducing valve for air compressor |
-
2017
- 2017-12-22 CN CN201721825910.9U patent/CN208311608U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112664691A (en) * | 2020-12-28 | 2021-04-16 | 宁波新佳行自动化工业有限公司 | Special multi-station pressure reducing valve for air compressor |
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