CN103115170A - Adjustable filtering pressure maintaining valve - Google Patents
Adjustable filtering pressure maintaining valve Download PDFInfo
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- CN103115170A CN103115170A CN2013100421720A CN201310042172A CN103115170A CN 103115170 A CN103115170 A CN 103115170A CN 2013100421720 A CN2013100421720 A CN 2013100421720A CN 201310042172 A CN201310042172 A CN 201310042172A CN 103115170 A CN103115170 A CN 103115170A
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- pressure maintaining
- voltage stabilizing
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Abstract
An adjustable filtering pressure maintaining valve comprises a valve body. A horizontal water inlet channel and a water outlet channel are arranged on the valve body. A vertical flow control channel is further arranged between the water inlet channel and the water outlet channel. A pressure maintaining valve seat is assembled in the flow control channel. The adjustable filtering pressure maintaining valve is characterized in that a filtering device is arranged on the water inlet channel, through holes and reflowing holes are respectively formed in the pressure maintaining valve seat in a mis-orientation mode, wherein the through holes and the reflowing holes are not in communication with one another, the through holes are communicated with a filtering device, and the pressure maintaining valve seat is further provided with a valve rod mechanism which controls the through holes and the reflowing holes to be communicated with the flow control channel in a floating mode. The flow control channel is communicated with the water outlet channel. According to the adjustable filtering pressure maintaining valve, multi-layer filter screens are arranged on the water inlet channel, pollutants can be effectively prevented from entering the flow control channel, service life of a product is improved, maintenance cost and installation cost are reduced, meanwhile, a compensating principle is adopted in the flow control channel to reduce pressure on inflow water, the pressure is reduced in a stability range, quantity of flow can not be reduced simultaneously, further, no water can flow out from the external portion of the valve body, and drying and attractive appearance are maintained.
Description
Technical field
The present invention relates to the water valve technical field, specifically a kind of adjustable filtration pressure maintaining valve, be applicable to tall building, too high zone, mine and other occasions of city water-supply pipe network hydraulic pressure.
Background technique
Reduction valve is a kind of special arrangement of automatic reduction working pressure of pipeline, it can be reduced to the higher hydraulic pressure of the front pipeline of valve the required level of pipeline after valve, reduction valve is widely used in tall building, too high zone, mine and other occasions of city water-supply pipe network hydraulic pressure, to guarantee that in water supply system, each obtains suitable service hydraulic pressure and flow with water spot; Existing reduction valve such as Chinese patent literature CN1967031 are in disclosed a kind of water pressure reducing valve on May 23rd, 2007, and it is provided with water intake, water outlet, valve rod, spring, spring seat, pressure regulating cover, screw press and filter screen etc.It is said, its pressure that can realize water outlet is lower than the pressure of water intake and can adjust the pressure at the mouth of a river; But the filter screen of this design proposal is established and inlet end, is in pressure regulating cover and current and controls between mouth, dismantles easy cleaning difficulty, and the user is comparatively inconvenience when safeguarding; When pressure decreased was in the stability range, flow reduced, and discharge pressure is unstable.Therefore, be necessary to be further improved.
Summary of the invention
Purpose of the present invention aims to provide that a kind of flow can not reduce with when pressure decreased is in the stability range, and adjustable filtration pressure maintaining valve that dismounting is easy to maintenance, cost is low, reliability is high is to overcome deficiency of the prior art.
A kind of adjustable filtration pressure maintaining valve by this purpose design, comprise valve body, valve body is provided with horizontal intake tunnel and exhalant canal, also be provided with vertical current control channel between intake tunnel and exhalant canal, be equipped with the pressure maintaining valve seat in current control channel, its structure characteristic is to be equipped with filtrating equipment on intake tunnel; On the voltage stabilizing valve seat respectively misorientation be provided with through hole and the return port that does not communicate, wherein through hole communicates with filtrating equipment; Also be equipped with the valve rod mechanism that floating control through hole and return port communicate with current control channel on described voltage stabilizing valve seat, current control channel communicates with exhalant canal.
Described filtrating equipment comprises the circular filter net of at least two different sizes, and the bottom of corresponding filter screen coordinates in intake tunnel and is provided with annular slot; The top of corresponding filter screen is equipped with valve gap in the cooperation of the top of intake tunnel.
Surperficial undulate or the spirality of described filter screen, the gap between adjacent filter screen are 2-3mm.
The inner and upper of described filter screen, at least one end in front side and inner below communicate with external pipe, and corresponding top in intake tunnel the inner, middle part and bottom cooperation are provided with at least one water inlet.
Described through hole is horizontally set on the middle part of voltage stabilizing valve seat, and return port vertically connects and is arranged on the upper and lower end face of voltage stabilizing valve seat; The diameter of the diameter＞return port of through hole, the quantity of through hole, return port are 1-8.
Described voltage stabilizing valve seat is assemblied in the middle part of current control channel, and the outside of voltage stabilizing valve seat is respectively equipped with upper seal ring and the lower seal that coordinates with current control channel inner wall sealing, wherein goes up the above and below that seal ring and lower seal are separately positioned on through hole; The vertical perforate setting in the center of described voltage stabilizing valve seat, through hole communicates with the center of voltage stabilizing valve seat, and exhalant canal communicates with the below of voltage stabilizing valve seat.
Described valve rod mechanism comprises that activity is assemblied in the valve rod at voltage stabilizing valve seat center and is assemblied in successively bowl jacket and the nut of stem lower portion, wherein the outer wall of bowl jacket also packing sealing gasket is arranged; The middle part of described voltage stabilizing valve seat, the top that is positioned at through hole are equipped with the O type circle that coordinates with voltage stabilizing valve seat central seal, and through hole passes the bottom at voltage stabilizing valve seat center and floats with sealing gasket on valve rod and coordinate; The outwardly setting in the top of described valve rod, and coordinate with local the floating in the upper end portion of return port.
The top of described valve rod mechanism, the top that is positioned at current control channel also are respectively equipped with butterfly cushion rubber, adjusting screw rod and bonnet; Wherein the center of butterfly cushion rubber and outer wall adopt Sealing to be sealed and matched with the top of valve rod and the middle part of current control channel respectively; Described adjusting screw rod is assemblied on bonnet, and adjusting screw rod is provided with spring seat, is provided with spring between the top of spring seat and valve rod; Described bonnet is assemblied in the top of current control channel.
The front end of described intake tunnel also is equipped with the conversion adapter with traveling nut, traveling nut and external pipe rotation assembling.
The present invention can effectively prevent in dirt ingoing stream control channel by the multiple filtration net is set on intake tunnel, improves product working life, reduces the maintenance and installation cost; Simultaneously, adopt compensation principle to the water inlet decompression in current control channel, when pressure decreased was in the stability range, flow can not reduce, and the valve body outside can not there are flowing out, and kept dry attractive in appearance.The present invention can be assemblied on the water inlet terminal of the occasions such as family, company or hotel, and it can be connected use simultaneously with a plurality of intake tunnels, have the advantages that dismounting is easy to maintenance, cost is low, reliability is high.
Description of drawings
Fig. 1 is the decomposition texture schematic diagram of one embodiment of the invention;
Fig. 2 is the assembly structure schematic diagram of Fig. 1;
Fig. 3 is the plan structure schematic diagram of Fig. 2;
Fig. 4 is the main TV structure schematic diagram of Fig. 2;
Fig. 5 be in Fig. 3 A-A to the structure sectional view;
Fig. 6 be in Fig. 4 B-B to the structure sectional view;
Fig. 7 be in Fig. 4 C-C to the structure sectional view;
Fig. 8 is A place structure for amplifying schematic diagram in Fig. 5;
Fig. 9 is an embodiment water (flow) direction structural representation.
Embodiment
The invention will be further described below in conjunction with drawings and Examples.
Referring to Fig. 1-Fig. 9, a kind of adjustable filtration pressure maintaining valve, comprise valve body 2, valve body 2 is provided with horizontal intake tunnel 2 and exhalant canal 4, also be provided with vertical current control channel 3 between intake tunnel 2 and exhalant canal 4, be equipped with pressure maintaining valve seat 5 in current control channel 3, be equipped with filtrating equipment on intake tunnel 2; On voltage stabilizing valve seat 5 respectively misorientation be provided with through hole 6 and the return port 7 that does not communicate, wherein through hole 6 communicates with filtrating equipment; Also be equipped with the valve rod mechanism that floating control through hole 6 and return port 7 communicate with current control channel 3 on voltage stabilizing valve seat 5, current control channel 3 communicates with exhalant canal 4.The front end of intake tunnel 2 also is equipped with the conversion adapter 24 with traveling nut 25, traveling nut 25 and external pipe rotation assembling, and it has effectively saved installing space, has reduced the installing engineering amount.
Filtrating equipment comprises two circular filter net 8, and the bottom of corresponding filter screen 8 is provided with annular slot 9 in the interior cooperation of intake tunnel 2; The top of corresponding filter screen 8 is equipped with valve gap 10 in the cooperation of the top of intake tunnel 2.Dismounting valve gap 10 just can be taken out filter screen 8, therefore, changes filter screen 8 or cleaning and filtering net 8 just easily.Surperficial undulate or the spirality of filter screen 8, it can improve water velocity, makes the flow direction of current more consistent, and the gap between adjacent filter screen 8 is 2mm.The front side of filter screen 8 and inner below communicate with external pipe, and corresponding middle part and bottom cooperation in intake tunnel 2 the inners is respectively equipped with a water inlet 11.The water inlet 11 that is positioned at intake tunnel 2 inner middle part is passed two circular filter net 8 successively, namely through the filtration treatment of four layers; The water inlet 11 that is positioned at intake tunnel 2 inner bottoms is passed two circular filter net 8 internally, through two-layer filtration treatment.
Through hole 6 is horizontally set on the middle part of voltage stabilizing valve seat 5, and return port 7 vertically connects and is arranged on the upper and lower end face of voltage stabilizing valve seat 5; The diameter of the diameter＞return port 7 of through hole 6, the quantity of through hole 6, return port 7 are 1-8.Voltage stabilizing valve seat 5 is assemblied in the middle part of current control channel 3, the outside of voltage stabilizing valve seat 5 is respectively equipped with upper seal ring 12 and the lower seal 13 that coordinates with current control channel 3 inner wall sealings, wherein goes up the above and below that seal ring 12 and lower seal 13 are separately positioned on through hole 6; The vertical perforate setting in the center of voltage stabilizing valve seat 5, through hole 6 communicates with the center of voltage stabilizing valve seat 5, and exhalant canal 2 communicates with the below of voltage stabilizing valve seat 5.Valve rod mechanism comprises that activity is assemblied in the valve rod 14 at voltage stabilizing valve seat 5 centers and is assemblied in successively bowl jacket 15 and the nut 16 of valve rod 14 bottoms, wherein the outer wall of bowl jacket 15 also packing sealing gasket 17 is arranged; The middle part of voltage stabilizing valve seat 5, the top that is positioned at through hole 6 are equipped with the O type circle 18 that coordinates with voltage stabilizing valve seat 5 central seal, and through hole 6 passes the bottom at voltage stabilizing valve seat 5 centers and floats with sealing gasket 17 on valve rod 14 and coordinate; The outwardly setting in the top of valve rod 14, and coordinate with local the floating in the upper end portion of return port 7.
The top of valve rod mechanism, the top that is positioned at current control channel 3 also are respectively equipped with butterfly cushion rubber 19, adjusting screw rod 20 and bonnet 21; Wherein the center of butterfly cushion rubber 19 and outer wall adopt Sealing to be sealed and matched with the top of valve rod 14 and the middle part of current control channel 3 respectively, play the effect of water shutoff; Adjusting screw rod 20 is assemblied on bonnet 21, and adjusting screw rod 20 is provided with spring seat 22, is provided with spring 23 between the top of spring seat 22 and valve rod 14; Bonnet 21 is assemblied in the top of current control channel 3.Rotation adjusting screw rod 20 can make spring 23 compress and loosen the active force at valve rod 14 tops, thereby can adjust the discharge pressure size of aquaporin-4.
Working principle of the present invention: enter after the filtration of current by multi-layer annular filter screen 8 in the through hole 6 of pressure maintaining valve seat 5, and current are flowed into the bottom of current control channel 3 by the center of voltage stabilizing valve seat 5; In the process of current ingoing stream control channel 3 bottoms, current will promote sealing gasket 17 and move down from the center of voltage stabilizing valve seat 5, thereby band ovable valve stem 14 moves down; Because intake pressure is larger, be 0.8-1.5MPa, the current of ingoing stream control channel 3 bottoms will upwards flow in return port 7, and the top that the current direction that flows out from return port 7 upper end portions promotes valve rod 14 makes the top of valve rod 14 promote upwards extruding of spring 23; The top encapsulation process of valve rod mechanism, do not go out from the current stream of return port 7 tops outflows, until the current in current control channel 3 reach pressure balance, current will flow out from exhalant canal 4, may cause the high pressure water of water components damage, and control and be stabilized in the safe handling scope.
The present invention is not only limited to above-mentioned example, and in essential scope of the present invention, the variation of making, remodeling, increase or replacement also belong to protection scope of the present invention.
Claims (9)
1. adjustable filtration pressure maintaining valve, comprise valve body (1), valve body is provided with horizontal intake tunnel (2) and exhalant canal (4), also be provided with vertical current control channel (3) between intake tunnel and exhalant canal, be equipped with pressure maintaining valve seat (5) in current control channel, it is characterized in that being equipped with on intake tunnel filtrating equipment; On the voltage stabilizing valve seat respectively misorientation be provided with through hole (6) and the return port (7) that does not communicate, wherein through hole communicates with filtrating equipment; Also be equipped with the valve rod mechanism that floating control through hole and return port communicate with current control channel on described voltage stabilizing valve seat, current control channel communicates with exhalant canal.
2. adjustable filtration pressure maintaining valve according to claim 1 is characterized in that described filtrating equipment comprises the circular filter net (8) of at least two different sizes, and the bottom of corresponding filter screen coordinates in intake tunnel (2) and is provided with annular slot (9); The top of corresponding filter screen is equipped with valve gap (10) in the cooperation of the top of intake tunnel.
3. adjustable filtration pressure maintaining valve according to claim 2 is characterized in that surperficial undulate or the spirality of described filter screen (8), and the gap between adjacent filter screen is 2-3mm.
4. adjustable filtration pressure maintaining valve according to claim 3, the inner and upper, at least one end in front side and inner below that it is characterized in that described filter screen (8) communicate with external pipe, and corresponding top in intake tunnel (2) the inner, middle part and bottom cooperation are provided with at least one water inlet (11).
5. adjustable filtration pressure maintaining valve according to claim 4, is characterized in that described through hole (6) is horizontally set on the middle part of voltage stabilizing valve seat (5), and return port (7) vertically connects and is arranged on the upper and lower end face of voltage stabilizing valve seat; The diameter of the diameter＞return port of through hole, the quantity of through hole, return port are 1-8.
6. adjustable filtration pressure maintaining valve according to claim 5, it is characterized in that described voltage stabilizing valve seat (5) is assemblied in the middle part of current control channel (3), the outside of voltage stabilizing valve seat is respectively equipped with upper seal ring (12) and the lower seal (13) that coordinates with current control channel inner wall sealing, wherein goes up the above and below that seal ring and lower seal are separately positioned on through hole (6); The vertical perforate setting in the center of described voltage stabilizing valve seat, through hole communicates with the center of voltage stabilizing valve seat, and exhalant canal (4) communicates with the below of voltage stabilizing valve seat.
7. the described adjustable filtration pressure maintaining valve of according to claim 1-6 any one, it is characterized in that described valve rod mechanism comprises that activity is assemblied in the valve rod (14) at voltage stabilizing valve seat (5) center and is assemblied in successively bowl jacket (15) and the nut (16) of stem lower portion, wherein the outer wall of bowl jacket also packing sealing gasket (17) is arranged; The middle part of described voltage stabilizing valve seat, the top that is positioned at through hole (6) are equipped with the O type circle (18) that coordinates with voltage stabilizing valve seat central seal, and through hole passes the bottom at voltage stabilizing valve seat center and floats with sealing gasket on valve rod and coordinate; The outwardly setting in the top of described valve rod, and coordinate with local the floating in the upper end portion of return port (7).
8. adjustable filtration pressure maintaining valve according to claim 7 is characterized in that the top of described valve rod mechanism, the top that is positioned at current control channel (3) also are respectively equipped with butterfly cushion rubber (19), adjusting screw rod (20) and bonnet (21); Wherein the center of butterfly cushion rubber and outer wall adopt Sealing to be sealed and matched with the top of valve rod (14) and the middle part of current control channel respectively; Described adjusting screw rod is assemblied on bonnet, and adjusting screw rod is provided with spring seat (22), is provided with spring (23) between the top of spring seat and valve rod; Described bonnet is assemblied in the top of current control channel.
9. adjustable filtration pressure maintaining valve according to claim 8, is characterized in that the front end of described intake tunnel (2) also is equipped with the conversion adapter (24) of band traveling nut (25), traveling nut and external pipe rotation assembling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310042172.0A CN103115170B (en) | 2013-02-02 | 2013-02-02 | Adjustable filtering pressure maintaining valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310042172.0A CN103115170B (en) | 2013-02-02 | 2013-02-02 | Adjustable filtering pressure maintaining valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103115170A true CN103115170A (en) | 2013-05-22 |
| CN103115170B CN103115170B (en) | 2015-04-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310042172.0A Active CN103115170B (en) | 2013-02-02 | 2013-02-02 | Adjustable filtering pressure maintaining valve |
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| Country | Link |
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| CN (1) | CN103115170B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104006194A (en) * | 2014-06-05 | 2014-08-27 | 宁波永享铜管道有限公司 | Reducing valve |
| CN104565469A (en) * | 2015-01-30 | 2015-04-29 | 胡俊 | Pressure reducing device for industrial water delivery |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101280857A (en) * | 2008-05-15 | 2008-10-08 | 王扬平 | Balance pressure water compensating valve |
| CN201273386Y (en) * | 2008-09-11 | 2009-07-15 | 开维喜阀门集团有限公司 | Piston type pressure-control check valve |
| CN203115203U (en) * | 2013-02-02 | 2013-08-07 | 陈海峰 | Adjustable filtering pressure maintaining valve |
-
2013
- 2013-02-02 CN CN201310042172.0A patent/CN103115170B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101280857A (en) * | 2008-05-15 | 2008-10-08 | 王扬平 | Balance pressure water compensating valve |
| CN201273386Y (en) * | 2008-09-11 | 2009-07-15 | 开维喜阀门集团有限公司 | Piston type pressure-control check valve |
| CN203115203U (en) * | 2013-02-02 | 2013-08-07 | 陈海峰 | Adjustable filtering pressure maintaining valve |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104006194A (en) * | 2014-06-05 | 2014-08-27 | 宁波永享铜管道有限公司 | Reducing valve |
| CN104565469A (en) * | 2015-01-30 | 2015-04-29 | 胡俊 | Pressure reducing device for industrial water delivery |
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| Publication number | Publication date |
|---|---|
| CN103115170B (en) | 2015-04-22 |
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