CN212672501U - Pressure reducing valve with throttling function for water circulation - Google Patents
Pressure reducing valve with throttling function for water circulation Download PDFInfo
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- CN212672501U CN212672501U CN202020608273.5U CN202020608273U CN212672501U CN 212672501 U CN212672501 U CN 212672501U CN 202020608273 U CN202020608273 U CN 202020608273U CN 212672501 U CN212672501 U CN 212672501U
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Abstract
A pressure reducing valve with a throttling function for water circulation mainly comprises a front cover, a valve core O-shaped ring, a rubber plug, a piston O-shaped ring, a spring and a rear cover, and is characterized in that a throttling orifice plate is arranged at a water outlet end, and after water outlet pressure is stabilized through the pressure reducing valve, water outlet flow is stabilized under the action of the throttling orifice plate; the pressure reducing valve with the throttling function for water circulation skillfully adopts the throttling orifice plate, has a simple structure, is proved to be very ideal in efficiency, provides an effective solution for solving the problem of return water circulation of each branch pipe of direct drinking water in the pipeline, and solves a great technical problem for the industry.
Description
Technical Field
The utility model relates to a hydrologic cycle is with relief pressure valve of taking throttling function relates to the water treatment trade, more specifically relates to the straight drinking water field of pipeline.
Background
With the development of science and technology, the improvement of living standard, health and safety become two major topics which are most concerned by modern people, and the quality of drinking water and the sanitary safety of drinking water products naturally become the focus of attention of people.
A water supply system for pipeline direct drinking water is used for supplying purified water which can be directly drunk by each household according to the floor according to units in a high-rise residential building. The direct drinking water supply can be one water supply branch pipe for each unit, a pump station for producing and supplying water of the direct drinking water is usually arranged at the bottom layer of a residential building, the direct drinking water is firstly sent to the top layer, then the water is supplied to each household by pressing the unit branch pipes from the top, and the residual water flow of each branch pipe is collected to a main water return pipe after the direct drinking water reaches the bottom floor to carry out water flow circulation. The purpose of water circulation is to ensure that the running water is not rotten and the water quality is fresh.
In the existing water supply network system for direct drinking water in pipelines, in order to realize the return water circulation of each branch pipe, a method is usually adopted to ensure that the main pipes of the pipelines of each branch pipe have the same length or try to make the total water resistance of each branch pipe the same. However, the water consumption of each household and each unit is changed instantly, so that the return water pressure of each branch pipe is different, and return water circulation cannot be realized by a part of branch pipes with low water pressure, so that the water quality of the branch pipes is reduced, peculiar smell is generated, and adverse results are generated. In order to overcome the difficulty of the industry, the utility model discloses creatively provide a water cycle is with relief pressure valve of taking throttling function, solve this industry difficult problem well.
The pressure reducing valve with the throttling function is adopted in the pipeline direct drinking water supply pipe network system to carry out water circulation of each branch water supply pipe, so that the water circulation of each branch water supply pipe can be ensured under different water pressure conditions, the water quality is ensured to be good, and deterioration and smell change are avoided.
The technical principle of the pressure reducing valve with the throttling function for water circulation is as follows: in detail, as shown in fig. 1, the arrow in the figure is the water inlet direction, and water enters from the front cover 1, passes through the valve core 4 and then reaches the valve opening and closing area 5, and passes through the water channel 12 inside the piston 6 from the peripheral outer edge of the rubber plug 7 and reaches the piston rear cavity 9, and in detail, as shown in fig. 3 and 4, the specific piston inner structure is shown. Piston O shape circle 8 cover is on the outer cylinder face of piston, because piston O shape circle 8's sealing action for receive great water pressure thrust on the disc of piston rear chamber, piston 6 overcomes the opening of spring 2 along with the hydraulic change of piston rear chamber 9, and when the pressure of intaking water is high, the valve opening reduces, and when pressure of intaking is low, the valve opening is big, thereby stabilizes the play water pressure of relief pressure valve. When the water outlet pressure is stable, a throttle orifice plate is arranged according to the minimum return water circulation amount which each branch pipe must reach, so that no matter what pressure condition the branch pipe is under, after the water outlet pressure is stabilized through a pressure reducing valve, under the action of the throttle orifice plate, the residual water flow of each branch pipe can be collected to a main water return pipe, water flow circulation is carried out, and the freshness and the good quality of water of each pipeline are kept.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that needs to solve is: the invention discloses a pressure reducing valve with a throttling function for water circulation, which is characterized in that a part of branch pipes of an existing water supply pipe network system for pipeline direct drinking water cannot realize return water circulation, so that the quality of the branch pipes is reduced, peculiar smell is generated, and adverse results are generated.
The utility model discloses specific technical scheme is: a kind of water circulation uses the relief pressure valve with throttling function, mainly include the front cover, valve core O-shaped ring, plug, piston O-shaped ring, spring, back cover, its characteristic is to have a throttle orifice plate in its water outlet end, no matter what water pressure situation of each branch of the straight drinking water supply pipe network of bottom floor's pipeline, after stabilizing the water outlet pressure through the relief pressure valve, under the function of throttle orifice plate, realize the steady water flow of outlet water and make the backwater of each branch pipe can circulate; the front cover and the rear cover are assembled and connected by internal parts such as a piston and the like through threads. The connecting screw threads of the front cover and the rear cover are provided with hidden exhaust ports. The rubber plug is assembled on the piston, and the spring, the piston O-shaped ring, the valve core O-shaped ring and the rubber plug form a water outlet pressure regulating system of the pressure reducing valve; water flow flows through the valve core and the valve opening and closing area through the water inlet of the front cover, then reaches the rear end of the piston through the water channels in the piston from the outer edges of the periphery of the rubber plug, and changes of thrust acting on the rear end of the piston along with the change of water inlet pressure are caused, so that the piston overcomes the elastic force of the spring to adjust the valve opening, pressure reduction and stable water outlet pressure are realized, and the function of flow stabilization is realized through throttling of the throttling orifice plate.
The design scheme of the pressure reducing valve is that an orifice is arranged on an orifice plate, and the size of the orifice is set to be proper so as to realize the required water flow.
The design scheme of the pressure reducing valve is that the orifice plate is cylindrical, and the orifice plate is tightly matched with a rear cover at the water outlet end of the pressure reducing valve.
The design scheme of the pressure reducing valve is that the orifice plate is made of plastic, and only one end of the orifice plate is provided with one of two characteristics of a chamfer angle and a fillet angle so as to press the orifice plate into a rear cover at the water outlet end of the pressure reducing valve.
The design scheme of the pressure reducing valve is that the front cover and the rear cover which are easy to process in structural shape are made of stainless steel materials, so that the problem that the lead content of the copper materials exceeds the standard is avoided, and the aim of sanitation and safety of the pressure reducing valve is fulfilled.
The design scheme of the pressure reducing valve is that the piston of the main internal part with a complex structure is made of plastic, the internal part is made of plastic, the aging problem is avoided, and the problem that the complex internal structural part is made of stainless steel and is difficult to process is solved.
The design scheme of this kind of relief pressure valve is that the end of intaking is equipped with filter screen, snap ring, and impurity in aquatic can filter through the filter screen, is unlikely to harm case O shape circle and piston O shape circle, influences sealed effect, can not plug up the orifice yet, and the effect of snap ring prevents that the filter screen from droing.
The design scheme of the pressure reducing valve is that an exhaust platform is arranged on the external thread of the front cover, an exhaust notch is arranged on the hexagonal backstop cylinder of the front cover, and an exhaust channel is formed when the front cover thread is matched with the rear cover thread.
The utility model has the advantages that: the pressure reducing valve with the throttling function for water circulation skillfully adopts throttling of the throttling orifice plate, has a simple structure, is proved to have very good efficiency, provides an effective solution for solving the problem of return water circulation of each branch pipe of direct drinking water in the pipeline, and solves a great technical problem for the industry.
Drawings
FIG. 1 is a schematic view of a pressure reducing valve with throttling function for water circulation of the present invention;
FIG. 2 is an exploded view of a pressure reducing valve with a throttling function for water circulation according to the present invention;
FIG. 3 is a perspective view of the front end of the pressure reducing valve piston according to the present invention, partially cut away;
FIG. 4: the utility model discloses a relief valve piston rear end stereoscopic view;
FIG. 5 is a schematic view of the vent passage and the filter of the pressure reducing valve of the present invention;
FIG. 6 is a schematic view of the vent location of a prior art pressure relief valve;
FIG. 7 is a perspective view of the rear cover of the pressure reducing valve with a partially cut-away water outlet end;
in the present invention, the attached drawings 1, fig. 2, fig. 3, fig. 4, fig. 5 and the reference numerals in the specification respectively represent:
The figure 6 of the specification indicates by reference: exhaust port 21 of existing stainless steel pressure reducing valve
The specification figures 7 reference numbers indicate: chamfer 24 of chamfer 23 of orifice 22 of orifice plate 10
Detailed Description
In a specific embodiment, see fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 7 for details about a pressure reducing valve with throttling function for water circulation, which mainly comprises a front cover 1, a valve core 4, a valve core O-shaped ring 3, a rubber plug 7, a piston 6, a piston O-shaped ring 8, a spring 2, and a rear cover 11, and is characterized in that a throttling orifice plate 10 is arranged at the water outlet end of the pressure reducing valve, and under the condition of any water pressure of each branch pipe of a bottom floor pipeline direct drinking water supply network, after the water outlet pressure is stabilized by the pressure reducing valve, under the action of the throttling orifice plate 10, the stable water outlet flow is realized and the return water of each branch pipe can be circulated; the front cover 1 and the back cover 11 are assembled and connected with the internal parts such as the piston 6 by the front cover thread 16 and the back cover thread 15. The front cover 1 and the rear cover 11 are provided with a hidden exhaust port 20 on the connecting screw thread. The rubber plug 7 is assembled on the piston 6, and the spring 2, the piston 6, the piston O-shaped ring 8, the valve core 4, the valve core O-shaped ring 3 and the rubber plug 7 form a water outlet pressure regulating system of the pressure reducing valve; water flow flows through the valve core 4 and the valve opening and closing area 5 through the water inlet of the front cover 1, then reaches the rear end 9 of the piston through the inner water channel 12 of the piston from the outer edge of the periphery of the rubber plug 7, and changes of thrust acting on the rear end 9 of the piston along with the change of water inlet pressure are caused, so that the piston 6 overcomes the elastic force of the spring 2 to adjust the opening of the valve, pressure reduction and stable water outlet pressure are realized, and the function of flow stabilization is realized through throttling of the throttling orifice plate 10.
The design of the pressure reducing valve is that the orifice plate 10 is provided with an orifice 22, and the orifice 22 is suitably sized to achieve the desired water flow rate.
The design scheme of the pressure reducing valve is that the orifice plate 10 is cylindrical, and a mode of tightly matching with a rear cover at the water outlet end of the pressure reducing valve is adopted.
The design scheme of the pressure reducing valve is that the orifice plate 10 is made of plastic, and only one end of the orifice plate is provided with one of two characteristics of a chamfer 24 and a fillet 23 so as to press the orifice plate into a rear cover at the water outlet end of the pressure reducing valve.
The design scheme of the pressure reducing valve is that the front cover 1 and the rear cover 11 which are easy to process in structural shapes are made of stainless steel materials, so that the problem that the lead content of copper materials exceeds the standard is avoided, and the aim of sanitation and safety of the pressure reducing valve is fulfilled.
The design scheme of the pressure reducing valve is that the piston 6 of the internal main part with a complex structure is made of plastic, the internal part is made of plastic, the aging problem is avoided, and the problem that the complex internal structural part is made of stainless steel and is difficult to process is solved.
The design scheme of the pressure reducing valve is that a filter screen 18 and a clamping ring 19 are arranged at the water inlet end, impurities in water can be filtered through the filter screen 18, the valve core O-shaped ring 3 and the piston O-shaped ring 8 are not damaged, the sealing effect is not influenced, the throttling hole 22 is not blocked, and the clamping ring 19 is used for preventing the filter screen from falling off.
The design scheme of the pressure reducing valve is that an exhaust platform 14 is arranged on an external thread 16 of a front cover, an exhaust notch 13 is arranged on a hexagonal backstop cylinder 17 of the front cover, and an exhaust channel 20 is formed when the front cover thread 16 is matched with a rear cover thread 15.
Claims (8)
1. A kind of water circulation uses the relief pressure valve with throttling function, mainly include the front cover, valve core O-shaped ring, plug, piston O-shaped ring, spring, back cover, its characteristic is to have a throttle orifice plate in its water outlet end, no matter what water pressure situation of each branch pipe of the direct drinking water supply network of bottom floor's pipeline, after stabilizing the water outlet pressure through the relief pressure valve, under the function of throttle orifice plate, realize the effluent flow is stable and make the backwater of each branch pipe can circulate; the front cover and the rear cover are used for assembling and connecting internal parts such as a piston and the like by threads; the connecting threads of the front cover and the rear cover are provided with hidden exhaust ports; the rubber plug is assembled on the piston, and the spring, the piston O-shaped ring, the valve core O-shaped ring and the rubber plug form a water outlet pressure regulating system of the pressure reducing valve; water flow flows through the valve core and the valve opening and closing area through the water inlet of the front cover, then reaches the rear end of the piston through the water channels in the piston from the outer edges of the periphery of the rubber plug, and changes of thrust acting on the rear end of the piston along with the change of water inlet pressure are caused, so that the piston overcomes the elastic force of the spring to adjust the valve opening, pressure reduction and stable water outlet pressure are realized, and the function of flow stabilization is realized through throttling of the throttling orifice plate.
2. The pressure reducing valve with a throttling function for water circulation according to claim 1, characterized in that: the orifice plate is provided with an orifice.
3. The pressure reducing valve with a throttling function for water circulation according to claim 2, characterized in that: the orifice plate is cylindrical and is tightly matched with a rear cover at the water outlet end of the pressure reducing valve.
4. The pressure reducing valve with a throttling function for water circulation according to claim 3, wherein: the orifice plate is made of plastic, and only one end of the orifice plate is provided with one of two characteristics of a chamfer angle and a fillet angle so as to be pressed into a rear cover at the water outlet end of the pressure reducing valve.
5. The pressure reducing valve with a throttling function for water circulation according to claim 4, wherein: the front cover and the rear cover which are easy to process in structural shape are made of stainless steel materials, so that the problem that the lead content of the copper materials exceeds the standard is avoided, and the aim of sanitation and safety of the pressure reducing valve is fulfilled.
6. The pressure reducing valve with a throttling function for water circulation according to claim 5, wherein: the piston of the internal main part with a complex structure is made of plastic, the internal part is made of plastic, the aging problem is avoided, and the problem that the complex internal structural part is made of stainless steel and difficult to process is solved.
7. The pressure reducing valve with a throttling function for water circulation according to claim 6, wherein: the end of intaking is equipped with the filter screen, and the impurity of aquatic can filter through the filter screen, is unlikely to harm case O shape circle and piston O shape circle, influences sealed effect, can not plug up the orifice yet.
8. The pressure reducing valve with a throttling function for water circulation according to claim 7, wherein: be equipped with the exhaust platform on the external screw thread of protecgulum, be equipped with the exhaust breach on the hexagonal stopping cylinder of protecgulum, during protecgulum screw thread and back lid screw thread cooperation, form exhaust passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020608273.5U CN212672501U (en) | 2020-04-09 | 2020-04-09 | Pressure reducing valve with throttling function for water circulation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020608273.5U CN212672501U (en) | 2020-04-09 | 2020-04-09 | Pressure reducing valve with throttling function for water circulation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212672501U true CN212672501U (en) | 2021-03-09 |
Family
ID=74814696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020608273.5U Active CN212672501U (en) | 2020-04-09 | 2020-04-09 | Pressure reducing valve with throttling function for water circulation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212672501U (en) |
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2020
- 2020-04-09 CN CN202020608273.5U patent/CN212672501U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210513 Address after: 528303 shop 3, block 2, No. 9, Damen Avenue, Daliang street, Shunde District, Foshan City, Guangdong Province Patentee after: Foshan Jin gate water purification equipment Co.,Ltd. Address before: 528303 Room 203, block 5, Yijing village, Huan'an Road, Ronggui street, Shunde District, Foshan City, Guangdong Province Patentee before: Fan Xiang |