CN206802411U - A kind of decompression valve - Google Patents
A kind of decompression valve Download PDFInfo
- Publication number
- CN206802411U CN206802411U CN201720469231.6U CN201720469231U CN206802411U CN 206802411 U CN206802411 U CN 206802411U CN 201720469231 U CN201720469231 U CN 201720469231U CN 206802411 U CN206802411 U CN 206802411U
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- Prior art keywords
- valve
- connected component
- spring
- valve body
- valve element
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- Safety Valves (AREA)
Abstract
The utility model provides a kind of decompression valve, belongs to valve technology field.It solves the problems, such as that existing decompression valve does not have overload protection and service life is shorter.A kind of this decompression valve, including valve body, valve element and bonnet, valve body includes water inlet and delivery port, connected component is embedded with valve body, the middle part of connected component is provided with circulation passage, cavity is formed between bonnet and valve body, the both ends of connected component are connected with cavity and water inlet respectively, valve element is provided with valve body, valve element is located at the downside of connected component, valve element is provided with lower spring, the both ends of lower spring are born against on valve body and valve element, screw rod is equipped with bonnet, the lower end of screw rod is resisted against the upper end of valve element, spring base is fixed with bonnet, upper spring is provided between spring base and the upper end of connected component.A kind of this decompression valve has the advantages of overload protection and longer service life.
Description
Technical field
The utility model belongs to valve technology field, is related to a kind of regulating valve, particularly a kind of decompression valve.
Background technology
Applicant once devised a kind of water-saving flush device and applied number of patent application for 201120015167.7 and
201120533016.0 utility model patent, in the patented technology, elastic membrane accumulating hydraulic pressure is used to add to improve water storage pressure
Big water outlet developing result.Meanwhile in the water-saving flush device, in order to prevent intake pressure from washing out elastic membrane and casing, its device
Water inlet cannot connect directly in the pipe network of water route, therefore need to set pressure-reducing valve to ensure that intake pressure will not be excessive, and palpus
Keep constant.
Pressure-reducing valve is the outlet pressure that inlet pressure is reduced to a certain needs by regulation, and relies on the energy of medium in itself
Amount, outlet pressure is set to keep stable valve automatically.From the viewpoint of hydrodynamics, pressure-reducing valve is that a local resistance can become
The restricting element of change, i.e., by changing orifice size, change the kinetic energy of flow velocity and fluid, cause the different pressure losses, from
And reach the purpose of decompression.Then by control and the regulation of regulating system, the fluctuation and spring force for making downstream pressure balance each other,
Downstream pressure is set to keep constant in certain error range.
A kind of decompression valve (application number as disclosed in Chinese patent literature：201620656015.8), its valve body and valve
Lid threaded connection, regulation handle are threaded on adjusting screw rod with bonnet, and adjusting screw rod is placed in inside regulation handle, is being adjusted
Section screw tip is sequentially installed with sealing back of the body cap, pressing plate, upper rubber seal, flexible sheet, lower rubber seal from top to bottom,
Flexible sheet is clamped between valve body and bonnet, and embedded valve seat is provided with cock, and base is installed with valve inner,
Spring base is installed, the inner chamber of base and spring base is stretched into valve rod one end, and the other end passes through cock and embedded valve seat on base
Contacted with adjusting screw rod, tapered plug is installed on the valve rod at the interior accent of corresponding embedded valve seat, between tapered plug and spring base
Valve rod on be cased with spring.
The content of the invention
The purpose of this utility model is above mentioned problem be present for existing technology, it is proposed that one kind have overload protection and
The longer decompression valve of service life.
The purpose of this utility model can be realized by following technical proposal：A kind of decompression valve, including valve body, valve element
And bonnet, described valve body include water inlet and delivery port, connected component are embedded with described valve body, described connected component
Middle part is provided with circulation passage, forms cavity between described bonnet and described valve body, the both ends of described connected component respectively with
Described cavity and water inlet is connected, and is provided with valve element in the valve body, described valve element is located under described connected component
Side, described valve element are provided with lower spring, and the both ends of described lower spring are born against in described valve body and described valve element
On, it is characterised in that screw rod is equipped with described bonnet, the lower end of described screw rod is resisted against the upper end of described valve element,
Spring base is fixed with described bonnet, upper spring is provided between described spring base and the upper end of described connected component.
During work, fluid is entered in valve body from water inlet, is moved, is realized to by connecting by rotating screw rod band movable valve plug
The regulation of the pressure of the fluid of entire body.Due to being provided with upper spring between spring base and connected component, when the hydraulic pressure of water inlet is excessive,
Connected component moves up and extrudes spring, plays the effect of overload protection, has longer service life.
In a kind of above-mentioned decompression valve, positioning tube, described connection are provided with the middle part of the lower end of described spring base
The upper end of body is provided with detent, and the both ends of described upper spring are respectively embedded in described positioning tube and described detent
It is interior.The both ends of upper spring are respectively embedded in positioning tube with detent, having the advantages of locating effect is preferable.
In a kind of above-mentioned decompression valve, flexible sheet, the lower end of described screw rod are fixed with described bonnet
Through described spring base and described flexible sheet, the outer sheath of described screw rod is provided with pressing plate and described pressing plate is by institute
The flexible sheet stated is pressed on described spring base.By setting above-mentioned flexible sheet, preferable sealing effectiveness is played, is led to
Pressing plate and spring base positioning elastic diaphragm are crossed, there is preferable locating effect.
In a kind of above-mentioned decompression valve, the lower end of described valve element has valve rod, is fixed with described valve body
Guide pin bushing described in guide pin bushing is coaxially disposed with described connected component, and the lower end of described valve rod is inserted in the upper end of described guide pin bushing.
The lower end of valve rod is plugged in the upper end of guide pin bushing, and the movement to valve rod has preferable guide effect, avoids the skew of valve element.
In a kind of above-mentioned decompression valve, the both ends of described lower spring are born against in the upper end of described guide pin bushing
On face and described valve element.
In a kind of above-mentioned decompression valve, described valve element is provided with the sealing of taper, on described sealing
It is arranged with the sealing gasket in cone barrel.Valve core upper sleeve is provided with the sealing gasket of cone cylinder shape, valve element is had preferable sealing effectiveness, together
When avoid the abrasion of valve element and connected component.
In a kind of above-mentioned decompression valve, described valve body is provided with convex shoulder, the lower end of described connected component against
On described convex shoulder.The lower end of connected component is resisted against on convex shoulder, has preferable limit effect to connected component.
Compared with prior art, this kind of decompression valve has advantages below：
1st, due to being provided with upper spring between spring base and connected component, when the hydraulic pressure of water inlet is excessive, connected component moves up simultaneously
Spring in extruding, the effect of overload protection is played, there is longer service life；
2nd, the both ends of upper spring have the advantages of locating effect is preferable respectively in positioning tube and detent；
3rd, by setting above-mentioned flexible sheet, preferable sealing effectiveness is played, passes through pressing plate and spring base positioning elastic
Diaphragm, there is preferable locating effect；
4th, valve core upper sleeve is provided with the sealing gasket of cone cylinder shape, valve element is had preferable sealing effectiveness, while avoid valve element
With the abrasion of connected component.
Brief description of the drawings
Fig. 1 is a kind of this schematic cross-sectional view of decompression valve.
In figure, 1, valve body；1a, water inlet；1b, delivery port；1c, convex shoulder；2nd, valve element；2a, sealing；3rd, bonnet；4th, even
Entire body；4a, detent；4b, circulation passage；5th, lower spring；6th, screw rod；7th, spring base；8th, positioning tube；9th, upper spring；10th, bullet
Property diaphragm；11st, pressing plate；12nd, valve rod；13rd, guide pin bushing；14th, sealing gasket.
Embodiment
It is specific embodiment of the utility model and with reference to accompanying drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these embodiments.
As shown in figure 1, a kind of decompression valve, including valve body 1, valve element 2 and bonnet 3, valve body 1 include water inlet 1a with
And delivery port 1b, connected component 4 is embedded with valve body 1, and valve body 1 is provided with convex shoulder 1c, and the lower end of connected component 4 is resisted against on convex shoulder 1c.
The middle part of connected component 4 is provided with circulation passage 4b, forms cavity between bonnet 3 and valve body 1, the both ends of connected component 4 respectively with cavity
And water inlet 1a is connected, valve element 2 is located at the downside of connected component 4, and valve element 2 is provided with lower spring 5, the both ends point of lower spring 5
Valve body 1 is not resisted against with valve element 2, screw rod 6 being equipped with bonnet 3, the lower end of screw rod 6 is resisted against the upper end of valve element 2, bonnet 3
On be fixed with spring base 7, upper spring 9 is provided between spring base 7 and the upper end of connected component 4.
Being provided with positioning tube 8 in the middle part of the lower end of spring base 7, the upper end of connected component 4 is provided with detent 4a, and the two of upper spring 9
End is respectively in positioning tube 8 and described detent 4a.
Flexible sheet 10 is fixed with bonnet 3, the lower end of screw rod 6 passes through spring base 7 and flexible sheet 10, screw rod 6
Outer sheath is provided with pressing plate 11, and flexible sheet 10 is pressed on spring base 7 by pressing plate 11.By setting above-mentioned flexible sheet 10,
Preferable sealing effectiveness is played, by pressing plate 11 and the positioning elastic diaphragm 10 of spring base 7, there is preferable locating effect.
The lower end of valve element 2 has valve rod 12, and guide pin bushing 13 is fixed with valve body 1, and guide pin bushing 13 is coaxially disposed with connected component 4, valve
The lower end of bar 12 is inserted in the upper end of guide pin bushing 13.The both ends of lower spring 5 are born against in the upper surface of guide pin bushing 13 and valve element 2
On.The lower end of valve rod 12 is plugged in the upper end of guide pin bushing 13, and the movement to valve rod 12 has preferable guide effect, avoids valve element 2
Skew.
Valve element 2 is provided with the sealing 2a of taper, and the sealing gasket 14 in cone barrel is arranged with sealing 2a, makes valve element 2
With preferable sealing effectiveness, while avoid the abrasion of valve element 2 and connected component 4.
During work, fluid is entered in valve body 1 from water inlet 1a, is moved by rotating screw rod 6 with movable valve plug 2, realization pair
By the regulation of the pressure of the fluid of connected component 4.Due to being provided with upper spring 9 between spring base 7 and connected component 4, as water inlet 1a
Hydraulic pressure it is excessive when, connected component 4 moves up and extrudes spring 9, plays the effect of overload protection, has longer service life.
The both ends of upper spring 9 in positioning tube 8 and detent 4a, have the advantages of locating effect is preferable respectively.
Specific embodiment described herein is only to the utility model spirit explanation for example.The utility model institute
Category those skilled in the art can make various modifications or supplement to described specific embodiment or using similar
Mode substitute, but without departing from spirit of the present utility model or surmount scope defined in appended claims.
Although valve body 1, water inlet 1a, delivery port 1b, convex shoulder 1c, valve element 2, sealing 2a, valve have more been used herein
Lid 3, connected component 4, detent 4a, circulation passage 4b, lower spring 5, screw rod 6, spring base 7, positioning tube 8, upper spring 9, elasticity
The terms such as diaphragm 10, pressing plate 11, valve rod 12, guide pin bushing 13, sealing gasket 14, but it is not precluded from the possibility using other terms.Make
It is used for the purpose of more easily describing and explaining essence of the present utility model with these terms；It is construed as any attached
The limitation added is all disagreed with the utility model spirit.
Claims (7)
1. a kind of decompression valve, including valve body (1), valve element (2) and bonnet (3), described valve body (1) include water inlet
(1a) and delivery port (1b), connected component (4) is embedded with described valve body (1), and the middle part of described connected component (4) is provided with circulation
Passage (4b), forms cavity between described bonnet (3) and described valve body (1), the both ends of described connected component (4) respectively with
Described cavity and water inlet (1a) are connected, and described valve element (2) is located at the downside of described connected component (4), described
Valve element (2) is provided with lower spring (5), and the both ends of described lower spring (5) are born against in described valve body (1) and described valve
On core (2), it is characterised in that be equipped with screw rod (6) on described bonnet (3), the lower end of described screw rod (6) is resisted against described
Valve element (2) upper end, spring base (7), described spring base (7) and described connected component are fixed with described bonnet (3)
(4) upper spring (9) is provided between upper end.
2. a kind of decompression valve according to claim 1, it is characterised in that in the middle part of the lower end of described spring base (7)
Provided with positioning tube (8), the upper end of described connected component (4) is provided with detent (4a), the both ends difference of described upper spring (9)
In described positioning tube (8) and described detent (4a).
3. a kind of decompression valve according to claim 1, it is characterised in that be connected on described bonnet (3) flexible
Diaphragm (10), the lower end of described screw rod (6) passes through described spring base (7) and described flexible sheet (10), described
The outer sheath of screw rod (6) is provided with pressing plate (11) and described flexible sheet (10) is pressed on described bullet by described pressing plate (11)
On spring abutment (7).
4. according to a kind of decompression valve described in claim 1 or 2 or 3, it is characterised in that the lower end of described valve element (2)
With valve rod (12), the guide pin bushing (13) and described connected component (4) being fixed with described valve body (1) described in guide pin bushing (13) are coaxial
Set, the lower end of described valve rod (12) is inserted in the upper end of described guide pin bushing (13).
A kind of 5. decompression valve according to claim 4, it is characterised in that the both ends difference of described lower spring (5)
It is resisted against on upper surface and the described valve element (2) of described guide pin bushing (13).
6. according to a kind of decompression valve described in claim 1 or 2 or 3, it is characterised in that described valve element (2) is provided with
The sealing (2a) of taper, the sealing gasket (14) in cone barrel is arranged with described sealing (2a).
7. according to a kind of decompression valve described in claim 1 or 2 or 3, it is characterised in that described valve body (1) is provided with
Convex shoulder (1c), the lower end of described connected component (4) are resisted against on described convex shoulder (1c).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720469231.6U CN206802411U (en) | 2017-04-28 | 2017-04-28 | A kind of decompression valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720469231.6U CN206802411U (en) | 2017-04-28 | 2017-04-28 | A kind of decompression valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206802411U true CN206802411U (en) | 2017-12-26 |
Family
ID=60738767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720469231.6U Expired - Fee Related CN206802411U (en) | 2017-04-28 | 2017-04-28 | A kind of decompression valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206802411U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109139931A (en) * | 2018-10-25 | 2019-01-04 | 宁波机阀门制造有限公司 | A kind of gate valve with structure of voltage regulation |
-
2017
- 2017-04-28 CN CN201720469231.6U patent/CN206802411U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109139931A (en) * | 2018-10-25 | 2019-01-04 | 宁波机阀门制造有限公司 | A kind of gate valve with structure of voltage regulation |
| CN109139931B (en) * | 2018-10-25 | 2023-10-20 | 宁波一机阀门制造有限公司 | Gate valve with steady voltage structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 317511 southeast industrial point of song gate town, Wenling, Zhejiang Patentee after: Zhejiang Sheng Hong Machinery Limited by Share Ltd Address before: Wenling City, Taizhou City, Zhejiang Province, 317511 industrial town of southeast Pine Point (Wenling Dazheng electromechanical Co. Ltd) Patentee before: Zhejiang Shenghong Machinery Co., Ltd. |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 317500 Southeast Industrial Point of Songmen Town, Taizhou City, Zhejiang Province Patentee after: Zhejiang Shenghong Machinery Co., Ltd. Address before: 317511 southeast industrial point of song gate town, Wenling, Zhejiang Patentee before: Zhejiang Sheng Hong Machinery Limited by Share Ltd |
|
| CP03 | Change of name, title or address | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171226 Termination date: 20200428 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |