CN202032142U - Automatic pressure-regulation valve for sewage treatment - Google Patents
Automatic pressure-regulation valve for sewage treatment Download PDFInfo
- Publication number
- CN202032142U CN202032142U CN2011200829539U CN201120082953U CN202032142U CN 202032142 U CN202032142 U CN 202032142U CN 2011200829539 U CN2011200829539 U CN 2011200829539U CN 201120082953 U CN201120082953 U CN 201120082953U CN 202032142 U CN202032142 U CN 202032142U
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- valve
- diaphragm
- sewage treatment
- pressure
- automatic pressure
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- Expired - Fee Related
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Abstract
The utility model discloses an automatic pressure-regulation valve for sewage treatment, which comprises a valve base, a valve rod which is matched and connected with the valve base in a sliding way, a valve cover connected on the upper end of the valve base, a bottom cover connected at the lower end of the valve base, and a valve flap connected with the valve rod, wherein an elastic diaphragm and a regulation spring are arranged in a space enclosed by the valve base and the valve cover, a through hole is arranged at the central position of the diaphragm, the diaphragm is sheathed on the valve rod, and the regulation spring is arranged between the diaphragm and the valve cover. The automatic pressure-regulation valve is characterized being simple in structure and reliable in operation, and can be widely suitable for various sewage treatment devices.
Description
Technical field
The utility model relates to a kind of sewage treatment equipment, refers in particular to the automatic pressure regulator that is used on the sewage treatment pipeline.
Background technique
In the sewage treatment pipeline, be in pressure regulator valve between pump and the sewage running piping and be and be used for cutting down the output hydraulic pressure of pump and hydraulic pressure in the sewage running piping is remained in the pressure range that pipeline can carry, explosion just can not take place in pipeline because of overvoltage like this, causes the sewage formation secondary pollution that leaks.Though the existing this pressure regulator valve that is used on the sewage treatment pipeline can be realized the setting to the pipe safety allowable pressure, but the pulsation that in actual application, when working, can produce hydraulic pressure because of suction pump, then cause the hydraulic pressure shakiness of pressure regulator valve inlet, thereby cause exporting the ducted pressure pulsation that links to each other with pressure regulator valve, the hydraulic pressure of this pulsation can impact to the Sealing at pipe joint place, the leakage that finally can cause the damage of Sealing and produce sewage, produce secondary pollution, not only destroyed environment, when particularly containing toxic substance in the sewage, also can injure personal safety.Obvious existing pressure regulator valve can not carry out automatic school accent to the pulsation hydraulic pressure of its import and produce stable outlet output hydraulic pressure, and promptly it does not have the function of automatic Regulation.
The model utility content
At the prior art deficiency, technical problem to be solved in the utility model provides a kind of sewage treatment automatic pressure regulator that can automatic Regulation.
For solving the problems of the technologies described above, sewage treatment automatic pressure regulator of the present utility model comprise valve seat, with valve seat be slidingly fitted the valve rod that is connected, be connected in the valve seat upper end valve gap, be connected in the bottom of valve seat lower end and the flap that is connected with valve rod, in the space that described valve seat and valve gap surrounded, be provided with rubber-like diaphragm and Regulation spring, this diaphragm center position is provided with through hole, this diaphragm is socketed on the valve rod, and Regulation spring is arranged between diaphragm and the valve gap.
After adopting said structure, owing to be provided with diaphragm, by valve gap pressing diaphragm edge with diaphragm with after valve seat is connected, the sealing that the elastic strain of utilization diaphragm self just can be played to valve seat and valve cover chamber, and need not to set up other Sealing, has simple and reasonable advantage, and with valve rod with after the set through hole of diaphragm center position is sealedly and fixedly connected mutually, then between valve seat and diaphragm, just formed pressure regulating cavity, this pressure regulating cavity is connected with water outlet, the setting of pressure adjusting spring then can be carried out preset to the working pressure of valve, when being higher than the working pressure of valve when inlet's hydraulic pressure increase, the effluent stream quantitative change that flows in the valve outlet port side chamber is big, then the pressure regulating cavity internal pressure that is connected with the valve water outlet is greater than the preset pressure of pressure adjusting spring, this becomes big pressure and promotes the deformation of diaphragm generation to the valve gap side, and then move on the flap that is fixedly connected of drive and valve rod and the compression of Regulation spring, diminish with regard to the valve port opening that makes flap and valve base chamber like this, reduced the discharge of sewage that flows in the valve outlet port side chamber, made the valve outlet port side can keep original rated pressure; When inlet's hydraulic pressure reduces and is lower than the working pressure of valve, the discharge of sewage that flows in the valve outlet port side chamber diminishes, then the pressure regulating cavity internal pressure that is connected with the valve water outlet is less than the compression elasticity of pressure adjusting spring, pressure adjusting spring generation elastic reset, and then the flap that drive and valve rod are fixedly connected is to the bottom side slip, so just make the valve port opening of flap and valve base chamber become big, increased the discharge of sewage that flows in the valve outlet port side chamber, make the valve outlet port side can keep original rated pressure.Realized and to have regulated valve port opening automatically according to import hydraulic pressure by above-mentioned the setting in a word, made valve have the function of automatic Regulation.
In the preferred implementation of the present utility model, described valve rod is the multidiameter shaft shape, and the valve stem tip reduced diameter section is a screw rod, is socketed with the flange-like pad on this screw rod, diaphragm is socketed on the flange-like pad by set through hole on it, and locking nut is threaded mutually with this screw rod and is pressing diaphragm; Described locking nut has flange edge, and this flange edge upper support an end of Regulation spring, and the other end of Regulation spring is socketed on the adjustment seat of plate-like; The place of putting, center, described valve gap top is provided with tapped through hole, and the adjustable lever that is being threaded mutually in this tapped through hole by having guaranteed the sealability of valve behind this set, makes the structure of valve more be tending towards reasonable.
Description of drawings
Below in conjunction with the drawings and specific embodiments sewage treatment automatic pressure regulator of the present utility model is hung and to further specify.
Fig. 1 is the work structuring schematic representation of a kind of embodiment of sewage treatment automatic pressure regulator of the present utility model.
Among the figure, 1-flap, 2-rubber disc, 3-import, 4-locking nut, 5-Regulation spring, 6-adjustment seat, 7-adjustable lever, 8-valve gap, 9-diaphragm, 10-pressure regulating cavity, 11-valve seat, 12-connecting port, 13-outlet, 14-bottom, 15-seal ring, 16-pad, 17-valve rod.
Embodiment
In sewage treatment automatic pressure regulator as shown in the figure, has import 3, valve seat 11 upper ends of outlet 13 and connecting port 12 are installed with the diaphragm 9 that center position is provided with through hole, this diaphragm 9 has elasticity, these diaphragm 9 material therefors are folder fabric nitrile butadiene rubber, valve gap 8 is fixedly connected by bolt and valve seat 11 and is pressing diaphragm 9 edges, multidiameter shaft shape valve rod 17 passes on the valve seat 11 set valve opening and can make slide relative in valve opening, valve rod 17 top reduced diameter sections are screw rod, be socketed with flange-like pad 16 on this screw rod, diaphragm 9 is socketed on the flange-like pad 16 by set through hole on it, the locking nut 4 that has flange edge is threaded to one mutually and is pressing diaphragm 9 with screw rod, elastic strain takes place respectively in diaphragm 9 edges and center under valve gap 8 and locking nut 4 extruding force effects, deformation by diaphragm 9 makes between diaphragm 9 and valve seat 11 and the valve rod 17 and has all formed tight sealing naturally, need not to set up other Sealing like this and just can make the pressure regulating cavity 10 that surrounds by valve seat 11 and diaphragm 9 have good sealability, thereby stoped sewage effectively from pressure regulating cavity 10 internal leakages to the paired second environmental pollution of valve seat 11 profiles; On locking nut 4, overlap one that follows pressure adjusting spring 5, the other end of pressure adjusting spring 5 is socketed on the adjustment seat 6 of plate-like, the both ends of the surface of pressure adjusting spring 5 are supported in respectively on the flange edge of locking nut 4 and adjustment seat 6, replacing adjustment seat 6 end faces with adjustable lever 7 rod ends that valve seat 11 is threaded mutually, valve rod 17 bottoms are similarly thread section, on this section screw thread by nut fixedly connected flap 1, on the flap 1 by the screw rubber disc 2 that is being fixedly connected, rubber disc 2 is by self elastic strain and the slipper seal connection mutually of bottom 14 endoporus, bottom 14 is threaded mutually with valve seat 11, bottom 14 seals with valve seat 11 mutually by seal ring 15, like this under the effect of pressure adjusting spring 5, by valve rod 17 flap 1 is being pressed bottom 14 endoporus step surfaces, making valve port remain on maximum opening.
During work; by rotary regulating lever 7 to promote the pre-compression force that pressure adjusting spring 5 forms flap 1; import 3 press waters are gone forward side by side behind the inlet/outlet 13 through the decompression valve port of flowing through; enter pressure regulating cavity 10 by connecting port 12; when import 3 pressure become when causing exporting 13 pressure greater than the preset pressure of pressure adjusting spring 5 greatly; just thereby 9 effects promote to move on the valve rod 17 drive flaps 1 hydraulic pressure to diaphragm in the pressure regulating cavity 10; valve port opening is diminished; reduced the flow that enters outlet 13 water; make outlet 13 hydraulic pressure keep constant; when the pulsation owing to pump produces import 3 hydraulic pressure and reduces; hydraulic pressure in the pressure regulating cavity 10 will correspondingly reduce; then under pressure adjusting spring 5 effects; valve rod 17 drives flap 1 and moves down; make valve port opening become big; increased the flow that enters outlet 13 water; just make outlet 13 pressure adjust to steady state value automatically again; therefore the pressure regulator valve of this form has been realized the pulsation hydraulic pressure of import 3 being adjusted into constant exit 13 hydraulic pressure; the function that not only has automatic Regulation; and overcome the original pressure regulator valve of utilization effectively and easily produce Sealing and damage; and the defective of formation secondary pollution has been protected environment better.
Above-mentioned some preferred implementations of only enumerating the utility model sewage treatment automatic pressure regulator, but be not limited to this, under the situation of the utility model basic principle, also can do some conversion and improvement.For example,, not only be limited to and be fixedly connected, also valve rod and flap can be made into integrated type, and so on nut to the Placement of flap and valve rod.So long as the change of any analog structure of being done on the utility model basis all is considered as falling into protection domain of the present utility model.
Claims (4)
1. sewage treatment automatic pressure regulator, comprise valve seat (11), the valve rod (17) that is slidingly fitted and is connected with valve seat (11), be connected in the valve gap (8) of valve seat (11) upper end, be connected in the bottom (14) of valve seat (11) lower end and the flap (17) that is connected with valve rod (17), it is characterized in that: in the space that described valve seat (11) and valve gap (8) are surrounded, be provided with rubber-like diaphragm (9) and Regulation spring (5), this diaphragm (9) center position is provided with through hole, this diaphragm (9) is socketed on the valve rod (17), and Regulation spring (5) is arranged between diaphragm (9) and the valve gap (8).
2. sewage treatment automatic pressure regulator according to claim 1, it is characterized in that: described valve rod (17) is the multidiameter shaft shape, valve rod (17) top reduced diameter section is a screw rod, be socketed with flange-like pad (16) on this screw rod, diaphragm (9) is socketed on the flange-like pad (16) by set through hole on it, and locking nut (4) is threaded mutually with this screw rod and is pressing diaphragm (9).
3. sewage treatment automatic pressure regulator according to claim 2, it is characterized in that: described locking nut (4) has flange edge, this flange edge upper support an end of Regulation spring (5), and the other end of Regulation spring (5) is socketed on the adjustment seat (6) of plate-like.
4. according to each described sewage treatment automatic pressure regulator in the claim 1 to 3, it is characterized in that: the place of putting, described valve gap (8) center, top is provided with tapped through hole, and adjustable lever (7) mutually is being threaded in this tapped through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200829539U CN202032142U (en) | 2011-03-25 | 2011-03-25 | Automatic pressure-regulation valve for sewage treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200829539U CN202032142U (en) | 2011-03-25 | 2011-03-25 | Automatic pressure-regulation valve for sewage treatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202032142U true CN202032142U (en) | 2011-11-09 |
Family
ID=44894439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200829539U Expired - Fee Related CN202032142U (en) | 2011-03-25 | 2011-03-25 | Automatic pressure-regulation valve for sewage treatment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202032142U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103438247A (en) * | 2013-08-08 | 2013-12-11 | 丽水德力通水务设备制造有限公司 | Hydraulic pressure differential controller and application thereof |
| CN106402447A (en) * | 2016-11-03 | 2017-02-15 | 海宁市水享净水设备有限公司 | Pressure reducing valve device |
| CN112443691A (en) * | 2020-11-13 | 2021-03-05 | 沈阳航天新光集团有限公司 | Unloading type gas path system pressure reducer |
-
2011
- 2011-03-25 CN CN2011200829539U patent/CN202032142U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103438247A (en) * | 2013-08-08 | 2013-12-11 | 丽水德力通水务设备制造有限公司 | Hydraulic pressure differential controller and application thereof |
| CN103438247B (en) * | 2013-08-08 | 2015-07-08 | 浙江滤谷环保科技有限公司 | Hydraulic pressure differential controller and application thereof |
| CN106402447A (en) * | 2016-11-03 | 2017-02-15 | 海宁市水享净水设备有限公司 | Pressure reducing valve device |
| CN112443691A (en) * | 2020-11-13 | 2021-03-05 | 沈阳航天新光集团有限公司 | Unloading type gas path system pressure reducer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Automatic pressure-regulation valve for sewage treatment Effective date of registration: 20140305 Granted publication date: 20111109 Pledgee: Dongtai Jiangsu rural commercial bank Limited by Share Ltd Pledgor: Dongtai city Dong Fang Marine Fitting Co., Ltd. Registration number: 2014320000003 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111109 Termination date: 20200325 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |