CN101852299B - Adjustable valve for preventing autorotation of water meter - Google Patents
Adjustable valve for preventing autorotation of water meter Download PDFInfo
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- CN101852299B CN101852299B CN2010102147591A CN201010214759A CN101852299B CN 101852299 B CN101852299 B CN 101852299B CN 2010102147591 A CN2010102147591 A CN 2010102147591A CN 201010214759 A CN201010214759 A CN 201010214759A CN 101852299 B CN101852299 B CN 101852299B
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- autorotation
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Abstract
The invention discloses an adjustable valve for preventing autorotation of a water meter. A rubber membrane is arranged between an upper valve body and a lower valve body; an adjustable rotor is arranged in a cavity of the upper valve body; and the lower end of the rotor is provided with a spring. The adjustable valve for preventing the autorotation of the water meter performs stepless adjustment on the efficiency for preventing water fluctuation according to the actual situations of different water supply pressure areas and different meter positions; under the condition that the water supply pressure of a user is ensured, the autorotation phenomenon of the water meter is effectively avoided when the user does not use the water; and the adjustable valve for preventing the autorotation of the water meter integrates three functions of an anti-autorotation valve, a stop valve and a check valve, and has the advantages of low cost, long service life, low pressure loss, relatively simple manufacturing process, high economical efficiency and wide market prospect.
Description
Technical field
The present invention relates to a kind of valve, specifically relate to a kind of adjustable valve for preventing autorotation of water meter.
Background technique
In recent years, the propelling that deepens continuously along with " Every household has an ammeter " work, reduced the old contradiction between many water undertakings and user, as the summary table submeter end that sign indicating number is not inconsistent, water supply network pressure surplus and disputes such as resident's domestic water underpressure, but produced many new water supply problems: protection, the water meter of measurement instrument end that copying of sign indicating number seen and the not appearance or the like of water rotation phenomenon of water meter as the selection of table mounting point, family, winter.And in this all problem, the water meter not problem of water rotation shows particularly outstandingly, thereby causes the customer complaint amount high, even causes unnecessary legal dispute.Therefore, as how minimum economy input, the not water rotation problem of effective solution resident water meter is a great problem that each water undertaking faces.
The reason of water rotation phenomenon is not a lot of to form water meter, mainly contain following some:
1, the continual renovation of measurement instrument is regenerated, and sensitivity improves constantly.Because continuing to optimize of the continuous development of water meter manufacturing technology, water meter structure makes that the measuring accuracy of each used water meter of water undertaking significantly improves at present.The employed A class precision water meter higher B level water meter of precision that extensively is measured replaces before 10 years, even in some economic flourishing areas, has brought into use C level water meter mainly to measure the clearing utensil as it.The raising of metering grade indicates that the reliable range ability of water meter is wider, sensitivity water meter is higher, easier to be driven by current.In addition, the extensive employing of water supply water meter leakage-proof function has also improved the initiating flow performance of water meter below GB regulation flow greatly, and it is responsive more to make that water meter changes the trickle hydrology in the water supply network.Therefore, even the hydrologic condition of public supply mains remains unchanged, along with the continual renovation of measurement instrument is regenerated, the water meter not phenomenon of water rotation also can reveal gradually.
The variation of 2, water supply form.In recent years, being accompanied by the fast development of urban construction, rises sheer from level ground one after another like rain the back spring bamboo in all kinds of high-rise buildings sub-district.These newly-built large-scale residential quarters are in order to save development cost, and its inner pipeline network construction does not often reach code requirement.Many sub-districts are not provided with facility such as wet pit and make its inner pipe network and the town water supply main pipe disconnects, but have taked directly to send the form of water to high-rise building in the online armored pump pressurization of city water service pipe.Under such water supply form, the opening of many parallel water pumps in its pump house, stop moving and the continuous fluctuations of variable frequency pump power, to make the pressure of supply water of inside, sub-district become extremely unstable on the one hand, water meter is passed through in the pulsed fluctuation of water pipe internal pressure, act on the wheel member in the water meter, finally just formed the not water rotation phenomenon of resident's water meter.On the other hand, this water behavior violating the regulations of directly drawing water at the online armored pump of city water service pipe will bring negative effect to the normal water supply pressure of this neighboring area, sub-district, more aggravate to occur in this zone the possibility of water meter without rotation phenomenon.
At this water supply realistic problem, the common practice taked of each water undertaking is to install anti-interference valve additional at rotation epi-position periphery at present, to subdue the active force of pipe network internal pressure fluctuation to the water meter mechanical part, makes water meter keep stable relatively when water not.But this anti-interference valve has the following disadvantages:
1, anti-rotation usefulness is unadjustable.The anti-interference valve of present widely used copper sleeve, under specific water supply conditions, its preventing autorotation of water meter has certain effect, but under different pressure of supply water conditions, can't regulate the size of the anti-rotation usefulness of product at the actual conditions of different epi-positions.Thereby, in the serious residential quarters of many water meter rotation phenomenons, install and use the anti-interference valve of this copper sleeve and still can't thoroughly solve not water rotation problem of water meter.
2, pressure loss value is higher.The anti-interference valve product of copper sleeve pressure loss value in use is higher, reaches 0.06MPa, and hydraulic pressure significantly reduces when high-rise user uses, and causes the gas water-heater can't normal ignition work.Therefore, the restricted application of this product, and be not suitable for carrying out large-scale promotion.
Summary of the invention
The objective of the invention is to solve the deficiencies in the prior art, and a kind of anti-rotation usefulness can regulate, the pressure loss value that provide are low, and have anti-from rotary valve, stop valve, three functions of safety check in the adjustable valve for preventing autorotation of water meter of one.
The object of the present invention is achieved like this: a kind of adjustable valve for preventing autorotation of water meter, comprise upper valve body, following valve body, regulate rotor, adjusting screw rod, regulating handle, spring, rubber diaphragm separator and pallet, it is characterized in that: the upper valve body inwall is provided with at least one toothed rack, the upper valve body inner chamber is provided with the adjusting rotor, regulate rotor top outer rim and be provided with teeth groove, be connected with a joggle with tooth bar, be provided with screw vertically, one end and the screw of adjusting screw rod are connected with a joggle, the other end passes upper valve body and is connected with regulating handle, and the bottom outer rim is provided with spring; Be provided with rubber diaphragm separator between upper valve body and the following valve body, connect by bolt seal, pallet is arranged on the middle part of going up of rubber diaphragm separator, and an end of spring is connected with pallet; Following body cavity is provided with intake pipe, the intake pipe water intake is set to one with following valve inleting water mouth, the intake pipe water outlet is parallel with following body cavity upper shed, following body cavity is communicated with following valve body water outlet, following body cavity upper shed one side is provided with pressure compensation opening, passes rubber diaphragm separator by the hole pin and is communicated with the upper valve body inner chamber.
Described rubber diaphragm separator adopts strengthens nylon rubber, and thickness is 0.5-1.5mm.
Compared with prior art, advantage of the present invention is:
1, preventing autorotation of water meter usefulness is adjustable.The present invention is provided with controlling device, can be at different pressure of supply waters zone, and the actual conditions of different epi-positions, the usefulness of antagonism waterpower fluctuation is carried out electrodeless adjusting, is guaranteeing effectively to prevent the not water rotation phenomenon of water meter under the normal pressure of supply water condition of user.Therefore, the utility model is applicable to various pressure of supply waters zone.
2, the pressure loss is low.Because intracavity space of the present invention is bigger, the current passing ability is good, and pressure loss value is lower, only is below the 0.03MPa, can guarantee that the usefulness water pressure of high-rise building resident after installation is unaffected.
3, possesses the stop valve function.The present invention possesses the stop valve function, and compatible stop valve size, directly uses as stop valve before the table during new clothes water meter, when transforming, directly replaces by old table old stop valve, and need not the his-and-hers watches bit length and carry out any rectification, can satisfy the demand on the function, directly stop valve before the substitution table.
4, possesses the safety check function.Because specified structure of the present invention, make that in-pipe flow can only one-way flow, guarantee that user's water meter can Yin Qinei pipe hot water reflux and scorched, and can prevent to pour in down a chimney pollution city main pipe water supply quality with indoor Guan Shui.
5, cost is low, the life-span is long, manufacturing process is simple relatively, the cost performance height.The present invention is integrated anti-from rotary valve, stop valve, three functions of safety check in one, the Economy height, market prospects are wide.
Description of drawings
Fig. 1 is a water status architecture schematic representation of the present invention.
Fig. 2 is a upper valve body A-A schematic cross-section of the present invention.
Fig. 3 is valve body plan structure schematic representation under the present invention.
Embodiment
The present invention is further illustrated in conjunction with the accompanying drawings for following examples.
Among the figure: upper valve body 1, tooth bar 1-1, following valve body 2, following valve inleting water mouth 2-1, following body cavity upper shed 2-2, following valve body water outlet 2-3, pressure compensation opening 2-4, hole pin 2-5, adjusting rotor 3, teeth groove 3-1, screw 3-2, adjusting screw rod 4, regulating handle 5, spring 6, rubber diaphragm separator 7, bolt 8, pallet 9, pallet boss 9-1, intake pipe 10, intake pipe water intake 10-1, intake pipe water outlet 10-2.
See figure, a kind of adjustable valve for preventing autorotation of water meter comprises upper valve body 1, following valve body 2, regulates component such as rotor 3, adjusting screw rod 4, regulating handle 5, spring 6, rubber diaphragm separator 7, bolt 8 and pallet 9.Upper valve body 1 inwall is provided with at least one toothed rack 1-1, and present embodiment is in upper valve body 1 inwall bilateral symmetry two toothed rack 1-1 to be set, and tooth bar 1-1 can be semicircle, square, trapezoidal or triangle, and present embodiment is semicircle.The inner chamber of upper valve body 1 is provided with regulates rotor 3, the top outer rim of regulating rotor 3 is provided with tooth bar 1-1 quantity and equates, the corresponding teeth groove 3-1 of shape, teeth groove 3-1 and tooth bar 1-1 are connected with a joggle, vertical centre of regulating rotor 3 is provided with screw 3-2, one end and the screw 3-2 of adjusting screw rod 4 are connected with a joggle, and the other end passes upper valve body 1 and is connected with regulating handle 5, and spring 6 is actively set on the outer rim of regulating the thin part in rotor 3 bottoms.Be provided with rubber diaphragm separator 7 between upper valve body 1 and the following valve body 2, by bolt 8 upper valve body 1 and following valve body 2 being tightly connected is one, and it is the non-toxic reinforcing nylon EPDM rubber of 1mm that rubber diaphragm separator 7 adopts thickness.Pallet 9 adopts the mode of riveted joint or bonding to be fixed on the middle part of going up of rubber diaphragm separator 7, and an end card of spring 6 is inserted on the pallet boss 9-1 in the middle of the pallet 9.The inner chamber of following valve body 2 is provided with intake pipe 10, intake pipe water intake 10-1 and following valve inleting water mouth 2-1 are set to one, intake pipe water outlet 10-2 is arranged on down the inner chamber center of valve body 2, and opening is parallel to up and down body cavity upper shed 2-2, and following valve body water outlet 2-3 is communicated with following body cavity.The close side of valve body water outlet 2-3 down of following body cavity upper shed 2-2 is provided with pressure compensation opening 2-4, and the end of hole pin 2-5 inserts among the pressure compensation opening 2-4, and the other end passes rubber diaphragm separator 7 and is communicated with upper valve body 1 inner chamber.
Waterproof watch of the present invention not water rotation function principle is as follows: under conventional state, regulate the top that rotor 3 is in tooth bar 1-1, substantially do not exert pressure to spring 6, the comparatively diastole of spring 6 forms this moment, only apply small downforce, make rubber diaphragm separator 7 applying intake pipe water outlet 10-2 to pallet 9.During water, pressure surge in the intake pipe 10 enters from intake pipe water intake 10-1, wash rubber diaphragm separator 7 open, the inner chamber of valve body 2 was from valve body water outlet 2-2 outflow down under a current part was passed through, and a part is sold 11 by the hole and passed the inner chamber that rubber diaphragm separator 7 enters upper valve body 1.When stopping water, the pressure crest is immediately by locked inner chamber at upper valve body 1 and following valve body 2, at this moment, the pressure of the inlet area water before the rubber diaphragm separator 7 is lower, the pressure of the outlet area water behind the rubber diaphragm separator 7 is higher, and the effect of two regional hydraulic pressure of balance is played in the setting of pressure compensation opening 2-4, unless have the higher pressure wave of peak value to pass through during water once more, otherwise the water meter that is connected behind the present invention keeps stable, thereby realizes the preventing autorotation of water meter function.
Preventing autorotation of water meter adjustable function principle of the present invention is as follows: according to different pressure of supply waters zone, the actual conditions of different epi-positions, suitably rotate regulating handle 5, driving adjusting screw rod 4 rotates, the adjusting screw rod 4 that rotates promotes to regulate rotor 3 and moves up and down along tooth bar 1-1, the height of pressure spring 6, the downforce that the spring 6 that is extruded produces acts on the rubber diaphragm separator 7 by pallet 9, make rubber diaphragm separator 7 be close to more on the intake pipe water outlet 10-2, thereby realize strengthening the function of the anti-waterpower fluctuation of the present invention.
The principle of work and power that the present invention has stop valve is as follows: suitably rotate regulating handle 5, driving adjusting screw rod 4 rotates, the adjusting screw rod 4 that rotates promotes to regulate rotor 3 and moves up and down along tooth bar 1-1, directly exert pressure until regulating rotor 3 to pallet 9, pallet 9 is subjected to regulating the rigid extruding of rotor 3, make rubber diaphragm separator 7 fully intake pipe water outlet 10-2 be shut, thereby realize the function of stop valve blocking-up current.
The principle of work and power that the present invention has safety check is as follows: when stopping water, the rubber diaphragm separator 7 water pressure region separation that former and later two are different comes, when reverse flow may take place in current, reverse kinetic energy is pressed in rubber diaphragm separator 7 down on the intake pipe water outlet 10-2 mouth, flow channel is blocked, and the function that the present invention has the safety check one-way flow is achieved.
Claims (2)
1. adjustable valve for preventing autorotation of water meter, comprise upper valve body (1), following valve body (2), regulate rotor (3), adjusting screw rod (4), regulating handle (5), spring (6), rubber diaphragm separator (7) and pallet (9), it is characterized in that: upper valve body (1) inwall is provided with at least one toothed rack (1-1), upper valve body (1) inner chamber is provided with regulates rotor (3), regulate rotor (3) top outer rim and be provided with teeth groove (3-1), (1-1) is connected with a joggle with tooth bar, be provided with screw (3-2) vertically, one end of adjusting screw rod (4) and screw (3-2) are connected with a joggle, the other end passes upper valve body (1) and is connected with regulating handle (5), regulates rotor (3) bottom outer rim and is provided with spring (6); Be provided with rubber diaphragm separator (7) between upper valve body (1) and the following valve body (2), be tightly connected by bolt (8), pallet (9) is arranged on the middle part of going up of rubber diaphragm separator (7), and an end of spring (6) is connected with pallet (9); Following valve body (2) inner chamber is provided with intake pipe (10), intake pipe water intake (10-1) is set to one with following valve inleting water mouth (2-1), intake pipe water outlet (10-2) is parallel with following body cavity upper shed (2-2), following valve body (2) inner chamber is communicated with following valve body water outlet (2-3), following body cavity upper shed (2-2) side is provided with pressure compensation opening (2-4), passes rubber diaphragm separator (7) by hole pin (2-5) and is communicated with upper valve body (1) inner chamber.
2. according to the said a kind of adjustable valve for preventing autorotation of water meter of claim 1, it is characterized in that described rubber diaphragm separator (7) adopts the reinforcement nylon rubber, thickness is 0.5-1.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102147591A CN101852299B (en) | 2010-07-01 | 2010-07-01 | Adjustable valve for preventing autorotation of water meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102147591A CN101852299B (en) | 2010-07-01 | 2010-07-01 | Adjustable valve for preventing autorotation of water meter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101852299A CN101852299A (en) | 2010-10-06 |
| CN101852299B true CN101852299B (en) | 2011-10-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102147591A Expired - Fee Related CN101852299B (en) | 2010-07-01 | 2010-07-01 | Adjustable valve for preventing autorotation of water meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101852299B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114635983B (en) * | 2020-03-18 | 2023-12-12 | 合肥通用机械研究院有限公司 | Fluid-driven valve core rotary multiphase flow control valve |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3642026A (en) * | 1970-04-08 | 1972-02-15 | Air Reduction | Metering valve |
| CN2480643Y (en) * | 2001-04-13 | 2002-03-06 | 黄飞 | Self-locking double-control electromagnetic valve |
| CN2672388Y (en) * | 2003-10-16 | 2005-01-19 | 吕文孝 | Combustible gas control check valve |
| CN2791395Y (en) * | 2004-12-05 | 2006-06-28 | 王小芳 | Self-rotation micro-damping coutrol valve for waterproof watch |
| CN101463916A (en) * | 2007-12-18 | 2009-06-24 | 桑红旗 | Anti-backflow valve and self-rotation preventing water meter with the same |
| CN201731103U (en) * | 2010-07-01 | 2011-02-02 | 武汉市水务集团有限公司 | Adjustable valve capable of preventing water meter from self-rotating |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000120896A (en) * | 1998-10-16 | 2000-04-28 | Nippon Walbro:Kk | Diaphragm type pressure reducing valve |
-
2010
- 2010-07-01 CN CN2010102147591A patent/CN101852299B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3642026A (en) * | 1970-04-08 | 1972-02-15 | Air Reduction | Metering valve |
| CN2480643Y (en) * | 2001-04-13 | 2002-03-06 | 黄飞 | Self-locking double-control electromagnetic valve |
| CN2672388Y (en) * | 2003-10-16 | 2005-01-19 | 吕文孝 | Combustible gas control check valve |
| CN2791395Y (en) * | 2004-12-05 | 2006-06-28 | 王小芳 | Self-rotation micro-damping coutrol valve for waterproof watch |
| CN101463916A (en) * | 2007-12-18 | 2009-06-24 | 桑红旗 | Anti-backflow valve and self-rotation preventing water meter with the same |
| CN201731103U (en) * | 2010-07-01 | 2011-02-02 | 武汉市水务集团有限公司 | Adjustable valve capable of preventing water meter from self-rotating |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2000-120896A 2000.04.28 |
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| CN101852299A (en) | 2010-10-06 |
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Granted publication date: 20111019 Termination date: 20120701 |