CN202469119U - Automatic pressure-regulating throttle valve - Google Patents
Automatic pressure-regulating throttle valve Download PDFInfo
- Publication number
- CN202469119U CN202469119U CN2012200953935U CN201220095393U CN202469119U CN 202469119 U CN202469119 U CN 202469119U CN 2012200953935 U CN2012200953935 U CN 2012200953935U CN 201220095393 U CN201220095393 U CN 201220095393U CN 202469119 U CN202469119 U CN 202469119U
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- China
- Prior art keywords
- valve
- spool
- water
- diaphragm
- pilot hole
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- Expired - Lifetime
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Abstract
An automatic pressure-regulating throttle valve comprises a valve body with a water inlet cavity and a water outlet cavity, wherein the water inlet cavity of the valve body is communicated with the water outlet cavity through a valve opening in the middle; a corrugated diaphragm is fixed at the top of the water outlet cavity through a valve cover; a sealing cover is fixed at the bottom of the water inlet cavity; a pre-tightening spring is installed between the valve cover and the diaphragm; the upper part of the valve core at the valve opening is connected with the diaphragm; a conical part for controlling a clearance between the valve core and the valve opening is arranged in the middle of the valve core; the top of the valve core is spliced with a first guiding hole on the valve cover in a sliding way; the bottom of the valve core is spliced with a second guiding hole on the sealing cover in a sliding way; the sealing ring in a radial annular groove at the bottom of the valve core seals the valve core and the second guiding hole; and a pressure feedback passage in the valve core is communicated with the water outlet cavity and the second guiding hole. The first guiding hole and the second guiding hole guide the two ends of the valve core, so that the valve core slides more smoothly; and water pressure of the water outlet cavity is fed back to the second guiding hole and acts on the valve core, so that the valve core responds to the change of the water pressure and acts more sensitively and quickly, with better pressure-stabilizing and flow-constant effect.
Description
Technical field
The utility model relates to a kind of valve that can regulate constant flow according to the flow hydraulic self adaption, particularly a kind of automatic Regulation throttle valve.
Background technique
The spool of existing pressure maintaining valve or structure of relief pressure valve; The mechanism that perhaps links to each other with O-ring seal through O-ring seal merely mostly leads; Like the disclosed a kind of constant current constant voltage valve of Chinese utility model patent (CN201273014Y); This pressure maintaining valve valve core structure mainly connects O-ring seal through an end, and the other end connects a mechanism that has O-ring seal and leads; Because the precompressed volume production of O-ring seal is given birth to pretightening force; Make the spool back and forth movement produce bigger frictional force, the not enough rapid sensitive of valve core reset, and easy run-off the straight side-play amount; And then spool can't be resetted fully; Cause the pressure maintaining valve valve port to reveal, influence its pressure-stabilizing constant flow effect, cause water waste.
The model utility content
For addressing the above problem, the utility model is intended to propose a kind of automatic Regulation throttle valve, through being led in the spool two ends so that its back and forth movement is steady, to the spool bottom, the spool action is made fast and sensitive response through pressure feedback to variation in water pressure.
For reaching above-mentioned purpose; The utility model provide comprise one be provided with water-inlet cavity and water chamber valve body, the water-inlet cavity of valve body is communicated with water chamber through middle valve port, the water chamber top is passed through a valve gap and is fixed a bellows-like membrane; The fixing sealing cover in water-inlet cavity bottom; One preloading spring is installed between valve gap and the diaphragm, and the spool top that is plugged on valve port is connected with diaphragm, the spool centre be provided with one control itself and valve port gap length conus portion; It is characterized in that: described valve gap is provided with one first pilot hole, and the spool top and first pilot hole slide and plug together; Described sealing cover is provided with one second pilot hole, slides with second pilot hole and plug together in the spool bottom; Spool bottom radially is provided with an annular groove radially, and fixing one makes the spool and second pilot hole form the seal ring of sealing in the annular groove, in spool, is provided with the feed voltage passage of a connection water chamber and second pilot hole.
The cross section of described seal ring is V-arrangement or Y shape; Adopting the cross section is V-arrangement or y-shaped ring; Except that the sealing of satisfying between the second pilot hole hole wall and the spool; Also can make water pressure between the spool and second pilot hole change the variation in water pressure that is controlled by water chamber in real time through the feed voltage channel response, to reduce spool through the frictional force of seal ring to the second pilot hole hole wall, it is more sensitive, steady that spool is slided in second pilot hole.
The outer rim of said diaphragm is locked through valve gap and valve body; The inner edge of said diaphragm is fixed through a locking nut and spool; Last compressing tablet and lower sheeting are close to the upper and lower surfaces of said diaphragm respectively, and said upward compressing tablet or lower sheeting are U-shaped, in the capable groove of U that said preloading spring leans at compressing tablet.
After adopting such scheme; When the hydraulic pressure of water-inlet cavity rose, the hydraulic pressure of water chamber also rose simultaneously, and the elastic force that the water pressure that acts on diaphragm overcomes spring makes upwards distortion of diaphragm; Increase through the hydraulic pressure in second pilot hole of feed voltage channel connection with water chamber simultaneously; The hydraulic pressure that increases in second pilot hole has auxiliary jacking effect to spool, and the conus portion that spool ascending motion is rapidly and sensitively driven on it moves upward, and reduces the gap smaller of valve port and its conus portion; Make from water-inlet cavity to keep stable, realize the constant current water outlet through the flow that valve port gets into water chamber; Otherwise when the hydraulic pressure that flows into water-inlet cavity reduced, the hydraulic pressure of water chamber also reduced simultaneously; Hydraulic pressure in second pilot hole also reduces; The water pressure that acts on the diaphragm impels diaphragm to resile less than the elastic force of spring, drives spool and moves downward fast and reset, and increases the conus portion of spool and the gap of valve port; Make the water flow that gets into water chamber keep stable, realize water chamber constant current water outlet.
This practical beneficial effect is: through first pilot hole of valve gap and second pilot hole of sealing cover led in the spool two ends, it is more smooth and easy that spool is slided; And through feeding back to second pilot hole to the hydraulic pressure of water chamber, make the increase and decrease of the second pilot hole water pressure act on spool, make spool respond the water chamber variation in water pressure and the sensitive more motion of making quickly, make that the pressure-stabilizing constant flow effect of the utility model is better.
Description of drawings
Fig. 1 is the utility model structure sectional view.
Fig. 2 is the perspective view that the utility model is connected with solenoid valve.
Fig. 3 is the plan view that the utility model is connected with solenoid valve.
Fig. 4 is the valve gap perspective view of the utility model.
Fig. 5 is the sealing cover perspective view of the utility model.
Accompanying drawing is designated among the figure:
10. valve body; 11. water-inlet cavity; 12. water chamber; 13. valve port; 14. inlet channel; 15. water outlet;
20. valve gap; 21. first pilot hole;
30. diaphragm; 31. locking nut; 32. last compressing tablet; 33. lower sheeting;
40. sealing cover; 41. second pilot hole;
50. spring
60. spool; 61. conus portion; 62. annular groove; 63. feed voltage passage;
70. seal ring;
80. solenoid valve.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is further specified.
As
Fig. 1～Fig. 3Shown a kind of automatic Regulation throttle valve; Contain the valve body 10 that can be connected with solenoid valve 80; The water-inlet cavity 11 of valve body 10 is communicated with water chamber 12 through the valve port 13 wherein, and water-inlet cavity 11 is communicated with its outside inlet channel 14, and water chamber 12 is provided with its outside water outlet 15 and is communicated with; Water chamber 12 tops are through a valve gap 20 fixing bellows-like membrane 30; The outer rim of diaphragm 30 is locked through valve gap 20 and valve body 10; The inner edge of diaphragm 30 is fixing with spool 60 through a locking nut 31; Last compressing tablet 32 and lower sheeting 33 are close to the upper and lower surfaces of diaphragm 30 respectively, and last compressing tablet 32 or lower sheeting 33 are U-shaped, in the capable groove of U that preloading spring 50 leans at compressing tablet 32; A sealing cover 40 is fixed in water-inlet cavity 11 bottoms, and a preloading spring 50 is installed between valve gap 20 and the diaphragm 30, and spool 60 tops that are plugged on valve port 13 are connected with diaphragm 30, spool 60 centres be provided with one control itself and valve port 13 gap lengths conus portion 61, as
Fig. 1With
Fig. 4Shown in, first pilot hole 21 on the valve gap 20 plugs together with spool 60 top slide; As
Fig. 1With
Fig. 5Shown in, second pilot hole 41 of sealing cover plugs together with spool 60 basal slidings; Fixing one makes the spool 60 and second pilot hole 41 form the seal ring 70 of sealing in the annular groove 62 radially of spool 60 bottoms, and the cross section of seal ring 70 is a Y shape, in spool 60, is provided with a feed voltage passage 63 that is communicated with the water chamber 12 and second pilot hole 41.
Specify the working principle and the practical implementation action of the utility model below.
As
Fig. 1With
Fig. 2Shown in; When the hydraulic pressure of water-inlet cavity 11 rises; The hydraulic pressure of water chamber 12 also rises simultaneously, and the elastic force that the water pressure that acts on diaphragm 30 overcomes spring 50 makes upwards distortion of diaphragm 30, simultaneously with second pilot hole 41 that water chamber 12 is communicated with through feed voltage passage 63 in the hydraulic pressure increase; The hydraulic pressure that increases in second pilot hole 41 has auxiliary jacking effect to spool; Make spool 60 tops and bottom respectively under the guiding of second pilot hole 41 of first pilot hole 21 on the valve gap 20 and sealing cover 40, ascending motion rapidly and sensitively, the conus portion 60 that drives on it moves upward, and reduces the gap smaller of valve port 13 and its conus portion 61; Make from water-inlet cavity 11 to keep stable, realize the function of pressure regulation steady-flow water outlet through the flow that valve port 13 gets into water chamber 12; Otherwise; When the hydraulic pressure that flows into water-inlet cavity 11 reduces; The hydraulic pressure of water chamber 12 also reduces simultaneously, and the hydraulic pressure in second pilot hole 41 that is communicated with feed voltage passage 63 also reduces, and the water pressure that acts on the diaphragm 30 impels diaphragm 30 to resile less than the elastic force of spring 50; Diaphragm 30 drives spools 60, under the guiding of first pilot hole 21 and second pilot hole 41, move downward fast and reset; Increase the gap of conus portion 60 with the valve port 13 of spool 60, make the water flow that gets into water chamber 12 keep stable, realize water chamber 12 constant current water outlets.
Above embodiment only supplies to explain the usefulness of the utility model, but not to the restriction of the utility model, those skilled in the art under the situation of spirit that does not break away from the utility model and scope, can also make various conversion or variation; Therefore, all technological schemes that are equal to also should belong to the category of the utility model, are limited each claim.
Claims (5)
1. automatic Regulation throttle valve; Comprise one be provided with water-inlet cavity and water chamber valve body, the water-inlet cavity of valve body is communicated with water chamber through middle valve port, the water chamber top is passed through a valve gap and is fixed a bellows-like membrane; The fixing sealing cover in water-inlet cavity bottom; One preloading spring is installed between valve gap and the diaphragm, and the spool top that is plugged on valve port is connected with diaphragm, the spool centre be provided with one control itself and valve port gap length conus portion; It is characterized in that: described valve gap is provided with one first pilot hole, and the spool top and first pilot hole slide and plug together; Described sealing cover is provided with one second pilot hole, slides with second pilot hole and plug together in the spool bottom; Spool bottom radially is provided with an annular groove radially, and fixing one makes the spool and second pilot hole form the seal ring of sealing in the annular groove, in spool, is provided with the feed voltage passage of a connection water chamber and second pilot hole.
2. a kind of automatic Regulation throttle valve as claimed in claim 1 is characterized in that: the cross section of described seal ring is V-arrangement or Y shape.
3. a kind of automatic Regulation throttle valve as claimed in claim 1, it is characterized in that: the outer rim of said diaphragm is locked through valve gap and valve body, and the inner edge of said diaphragm is fixed through a locking nut and spool.
4. a kind of automatic Regulation throttle valve as claimed in claim 3 is characterized in that: comprise that also compressing tablet and lower sheeting be close to the upper and lower surfaces of said diaphragm respectively.
5. a kind of automatic Regulation throttle valve as claimed in claim 4 is characterized in that: said upward compressing tablet or lower sheeting are U-shaped, in the capable groove of U that said preloading spring leans at compressing tablet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200953935U CN202469119U (en) | 2012-03-14 | 2012-03-14 | Automatic pressure-regulating throttle valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200953935U CN202469119U (en) | 2012-03-14 | 2012-03-14 | Automatic pressure-regulating throttle valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202469119U true CN202469119U (en) | 2012-10-03 |
Family
ID=46917278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200953935U Expired - Lifetime CN202469119U (en) | 2012-03-14 | 2012-03-14 | Automatic pressure-regulating throttle valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202469119U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104455598A (en) * | 2013-08-27 | 2015-03-25 | 乔治费希尔管路系统公开股份有限公司 | Pressure reducing valve |
| CN104896174A (en) * | 2014-03-03 | 2015-09-09 | 艾默生过程管理调节技术公司 | Apparatus to interface with a corrugated diaphragm |
| CN106894487A (en) * | 2017-04-20 | 2017-06-27 | 威迪亚（长泰）科技有限公司 | One kind rinses toilet lid |
| CN106931208A (en) * | 2017-04-20 | 2017-07-07 | 威迪亚（长泰）科技有限公司 | A kind of pressure reducing flow stable valve for being applied to rinse toilet lid |
| CN108223862A (en) * | 2017-12-27 | 2018-06-29 | 长春北方化工灌装设备股份有限公司 | Adjustable corrosion resistant type constant pressure current stabilization balancer and installation method |
| 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 |
| CN106013373B (en) * | 2016-07-04 | 2019-03-26 | 乳源南岭智能家用机械有限公司 | A kind of flow promoter regulator and the intelligent water toilet pan equipped with the flow promoter regulator |
| CN115351562A (en) * | 2022-10-21 | 2022-11-18 | 中国机械总院集团海西(福建)分院有限公司 | Hydrostatic pressure spindle unit and lathe applied to lathe |
| CN115351561A (en) * | 2022-10-21 | 2022-11-18 | 中国机械总院集团海西(福建)分院有限公司 | Hydrostatic pressure guide rail assembly applied to machine tool and machine tool |
| CN115351595A (en) * | 2022-10-21 | 2022-11-18 | 中国机械总院集团海西(福建)分院有限公司 | Feedback type throttling device applied to machine tool and machine tool |
-
2012
- 2012-03-14 CN CN2012200953935U patent/CN202469119U/en not_active Expired - Lifetime
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104455598A (en) * | 2013-08-27 | 2015-03-25 | 乔治费希尔管路系统公开股份有限公司 | Pressure reducing valve |
| CN104455598B (en) * | 2013-08-27 | 2019-07-09 | 乔治费希尔管路系统公开股份有限公司 | Pressure reducing valve |
| CN104896174A (en) * | 2014-03-03 | 2015-09-09 | 艾默生过程管理调节技术公司 | Apparatus to interface with a corrugated diaphragm |
| CN104896174B (en) * | 2014-03-03 | 2019-10-01 | 艾默生过程管理调节技术公司 | The device engaged with convoluted diaphragm |
| CN106013373B (en) * | 2016-07-04 | 2019-03-26 | 乳源南岭智能家用机械有限公司 | A kind of flow promoter regulator and the intelligent water toilet pan equipped with the flow promoter regulator |
| CN106931208A (en) * | 2017-04-20 | 2017-07-07 | 威迪亚（长泰）科技有限公司 | A kind of pressure reducing flow stable valve for being applied to rinse toilet lid |
| CN106894487A (en) * | 2017-04-20 | 2017-06-27 | 威迪亚（长泰）科技有限公司 | One kind rinses toilet lid |
| CN108223862A (en) * | 2017-12-27 | 2018-06-29 | 长春北方化工灌装设备股份有限公司 | Adjustable corrosion resistant type constant pressure current stabilization balancer and installation method |
| 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 |
| CN115351562A (en) * | 2022-10-21 | 2022-11-18 | 中国机械总院集团海西(福建)分院有限公司 | Hydrostatic pressure spindle unit and lathe applied to lathe |
| CN115351561A (en) * | 2022-10-21 | 2022-11-18 | 中国机械总院集团海西(福建)分院有限公司 | Hydrostatic pressure guide rail assembly applied to machine tool and machine tool |
| CN115351595A (en) * | 2022-10-21 | 2022-11-18 | 中国机械总院集团海西(福建)分院有限公司 | Feedback type throttling device applied to machine tool and machine tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121003 |
|
| CX01 | Expiry of patent term |