CN209370537U - A kind of 200x pressure reducing valve - Google Patents
A kind of 200x pressure reducing valve Download PDFInfo
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- CN209370537U CN209370537U CN201920091397.8U CN201920091397U CN209370537U CN 209370537 U CN209370537 U CN 209370537U CN 201920091397 U CN201920091397 U CN 201920091397U CN 209370537 U CN209370537 U CN 209370537U
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- valve
- middle position
- pressure
- pressure reducing
- spring
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Abstract
The utility model relates to 200x pressure reducing valve technical fields, and disclose a kind of 200x pressure reducing valve, including back-shaped pipe, main valve, filter, needle-valve, ball valve and shut-off valve, the main valve is located at the subsequent middle position of back-shaped pipe, the filter is located at the left side of main valve, the needle-valve is located at the left side of filter, and ball valve is located at the right side of main valve, and the shut-off valve is located at the middle position in front of back-shaped pipe.The utility model is by being arranged telescopic rod and reset spring in the bottom of closing rubber block, and the central diameter of pressure spring is 4mm, and the coefficient of elasticity of pressure spring is 5.53N/mm, the central diameter of reset spring is 1mm, and the coefficient of elasticity of reset spring is 1.32N/mm, can make reset spring in the case where not influencing pressure spring performance to closing rubber block reseting procedure in form augmented thrust, to reach the ability that automatically resets for guaranteeing 200x pressure reducing valve, while improving the purpose of 200x decompression valve regulation precision.
Description
Technical field
The utility model relates to pressure reducing valve technical field, specially a kind of 200x pressure reducing valve.
Background technique
200x pressure reducing valve is in a kind of water system in parallel with domestic water for fire demand water, for deploying water supply side
To valve.When fire occurs, fire-fighting is badly in need of largely using water, cuts off domestic water immediately, it is ensured that enough fire demand waters;When
When fire-fighting stopping water pressure reducing, valve is automatically opened, and is in normally open, is restored living water.The valve keeps system another
If special fire-fighting separate water-supply network, is saved greatly construction cost and water consumption.Valve controls high sensitivity, safely may be used
It leans on, debugging is easy, long service life.Irrigation control valve is exactly the valve of hydraulic pressure control, hydraulic control valve by a main valve and its
The composition such as the Dao Guan ﹑ Dao Fa ﹑ Zhen Fa ﹑ ball valve set up and pressure gauge.According to using the difference of Mu ﹑ function and place that can evolve into
The distant floating ball valve ﹑ of control subtracts the slow check-valves ﹑ stream amount control valve ﹑ that closes of pressure valve ﹑ and lets out pressure valve ﹑ waterpower motor-operated control valve, control valve for water pump etc..
When a kind of 200x pressure reducing valve is applied to sewage treatment field, filter to be installed before a kind of 200x pressure reducing valve, and
It should be convenient for the requirement of blowdown, and carry out permutation and combination according to field condition, reach standard requirement, subtract in a kind of 200x
In the use process of pressure valve, since the permanent time is in liquid environment, the ability that automatically reset by hydraulic pressure of valve rod drops significantly
Low, the regulating power so as to cause entire pressure reducing valve is restricted, and substantially reduces regulating power, greatly affected pressure reducing valve
Precision.
Utility model content
The purpose of this utility model is to provide a kind of 200x pressure reducing valve, reaches and guaranteed the automatic multiple of 200x pressure reducing valve
Capability, while improving the purpose of 200x decompression valve regulation precision.
To achieve the above object, the utility model provides the following technical solutions: a kind of 200x pressure reducing valve, including back-shaped pipe,
Main valve, filter, needle-valve, ball valve and shut-off valve, the main valve are located at the subsequent middle position of back-shaped pipe, and the filter is located at
The left side of main valve, the needle-valve is located at the left side of filter, and ball valve is located at the right side of main valve, and the shut-off valve is located at back-shaped pipe
The middle position in front.
The main valve include valve body, film room, diaphragm, pressure spring, sealing block, damping baffle, closed piston, O-ring gasket,
Valve rod, import, outlet, telescopic rod, reset spring and closing rubber block, the film room are located at the inside of valve body, the diaphragm
Two sides are connect with the middle position of film chamber interior walls two sides respectively, and one end of the pressure spring and the middle position at the top of diaphragm connect
It connects, the sealing block is located at the inside of valve body, and the lateral wall of the sealing block and the middle position at the top of valve body inner sidewall are slided
Connection, and the other end of pressure spring is connect with the middle position of sealing block bottom, the middle position at the top of the sealing block is logical
It crosses bearing to connect with the middle position of threaded block bottom, and the top of the lateral wall of threaded block and valve body inner sidewall is connected by screw thread
It connects, the bottom connection in middle position and adjusting rod at the top of the threaded block, the top of the adjusting rod is through body top
Middle position simultaneously extends to its top, and the top on the right side of the damping baffle is connect with the right side of film room bottom, and the closing is lived
The top of plug is in contact with the middle position of diaphragm bottom, connects on the left of the lateral wall and damping baffle of the closed piston
Touching, the middle position of the bottom of the closed piston outer surface is provided with mounting groove, the inner sidewall and O-ring gasket of the mounting groove
Inner sidewall socket-connect, the top of the middle position of the closed piston bottom and valve rod connects, and the import is located at valve body
Left side, the outlet are located at the right side of valve body, and the bottom of the valve rod is connect with the middle position at the top of closing rubber block, and is hindered
The bottom of Buddhist nun's baffle is located at the surface in closing rubber block top right side middle position, one end of the telescopic rod and valve interior wall
The middle position of bottom connects, and the top of telescopic rod is connect with the middle position of closing rubber block bottom, the reset spring
Socket-connect with the outer surface of telescopic rod, and the both ends of reset spring respectively with the bottom of valve interior wall and close rubber block bottom
Connection.
Preferably, the mounting groove is circular ring slot, and the lateral wall of O-ring gasket and the lateral wall of closed piston are mutually neat
It is flat.
Preferably, the material of the pressure spring and reset spring is stainless steel, and pressure spring and reset spring
Antirust treatment is passed through in outer surface.
Preferably, the central diameter of the pressure spring is 4mm, and the coefficient of elasticity of pressure spring is 5.53N/mm.
Preferably, the central diameter of the reset spring is 1mm, and the coefficient of elasticity of reset spring is 1.32N/mm.
Preferably, the top of the adjusting rod is connect with the middle position of handwheel bottom.
Preferably, the transversal cross-section shape of the sealing block is regular circle shapes.
The utility model provides a kind of 200x pressure reducing valve.Have it is following the utility model has the advantages that
(1), the utility model is due to improving valve body, by the bottom setting telescopic rod for closing rubber block and again
Position spring, and the central diameter of pressure spring is 4mm, and the coefficient of elasticity of pressure spring is 5.53N/mm, the central diameter of reset spring
For 1mm, and the coefficient of elasticity of reset spring is 1.32N/mm, can make reset spring the case where not influencing pressure spring performance
Under to closing rubber block reseting procedure in form augmented thrust, thus reached guarantee 200x pressure reducing valve the energy that automatically resets
Power, while improving the purpose of 200x decompression valve regulation precision.
(2), the utility model is existed due to improving to main valve by main valve, filter, needle-valve, ball valve and shut-off valve
Distribution form in back-shaped pipe, liquid can be made the pressure approximate range value of entire main valve, be passed through ball by entering on the left of back-shaped pipe
The openings of sizes of valve is pre-adjusted, and ball valve unlatching is more, acts on the smaller flow by main valve of hydraulic pressure of diaphragm lower end
It is bigger, and needle-valve is being closed, while when opening stop valve, liquid can be made to be in concora crush state, to make entire pipeline system
System offers convenience in maintenance.
Detailed description of the invention
Fig. 1 is the front schematic view of the utility model structure;
Fig. 2 is the front cut-away view of the utility model structure main valve;
Fig. 3 is the front schematic view of the utility model structure closed piston;
Fig. 4 is the front schematic view of the utility model structure O-ring gasket.
In figure: 1 back-shaped pipe, 2 main valves, 3 filters, 4 needle-valves, 5 ball valves, 6 shut-off valves, 21 valve bodies, 22 film rooms, 23 diaphragms,
24 pressure springs, 25 sealing blocks, 26 threaded blocks, 27 adjusting rods, 28 damping baffles, 29 closed pistons, 210 mounting grooves, 211 O shapes
Washer, 212 valve rods, 213 imports, 214 outlets, 215 telescopic rods, 216 reset springs, 217 closing rubber blocks.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figs 1-4, the utility model provides a kind of technical solution: a kind of 200x pressure reducing valve, including back-shaped pipe 1, master
Valve 2, filter 3, needle-valve 4, ball valve 5 and shut-off valve 6, main valve 2 are located at the subsequent middle position of back-shaped pipe 1, and filter 3 is located at
The left side of main valve 2, needle-valve 4 is located at the left side of filter 3, and ball valve 5 is located at the right side of main valve 2, and shut-off valve 6 is located at back-shaped pipe 1
The middle position in front.
Main valve 2 includes valve body 21, film room 22, diaphragm 23, pressure spring 24, sealing block 25, damping baffle 28, closed piston
29, O-ring gasket 211, valve rod 212, import 213, outlet 214, telescopic rod 215, reset spring 216 and closing rubber block 217, film
Room 22 is located at the inside of valve body 21, and the two sides of diaphragm 23 are fixedly connected with the middle position of 22 inner wall two sides of film room respectively, pressure regulation
One end of spring 24 is fixedly connected with the middle position at 23 top of diaphragm, and sealing block 25 is located at the inside of valve body 21, sealing block 25
Lateral wall be slidably connected with the middle position at the top of 1 inner sidewall of valve body, and the other end of pressure spring 24 and 25 bottom of sealing block
The middle position in portion is fixedly connected, and the middle position at 25 top of sealing block is turned by the middle position of bearing and 26 bottom of threaded block
Dynamic connection, and be connected through a screw thread at the top of the lateral wall of threaded block 26 and 21 inner sidewall of valve body, the centre at 26 top of threaded block
Position is fixedly connected with the bottom of adjusting rod 27, and the top of adjusting rod 27 runs through the middle position at 21 top of valve body and extends to it
Top is fixedly connected on the right side of the top and 22 bottom of film room on the right side of damping baffle 28, the top of closed piston 29 and diaphragm 23
The middle position of bottom is in contact, and the lateral wall of closed piston 29 is in contact with the left side of damping baffle 28, outside closed piston 29
The middle position of the bottom on surface offers mounting groove 210, the inner sidewall phase of the inner sidewall and O-ring gasket 211 of mounting groove 210
Socket, the middle position of 29 bottom of closed piston are fixedly connected with the top of valve rod 212, and import 213 is located at the left side of valve body 21,
Outlet 214 is located at the right side of valve body 21, and the bottom of valve rod 212 is fixedly connected with the middle position at 217 top of closing rubber block,
And the bottom of damping baffle 28 is located at the surface in closing 217 top right side middle position of rubber block, one end of telescopic rod 215
It is fixedly connected with the middle position of 21 inner wall bottom of valve body, and the centre at the top of telescopic rod 215 and closing 217 bottom of rubber block
Position is fixedly connected, and reset spring 216 and the outer surface of telescopic rod 215 socket-connect, and the both ends of reset spring 216 respectively with valve
The bottom of 21 inner wall of body is fixedly connected with the bottom of closing rubber block 217, and mounting groove 210 is circular ring slot, and O-ring gasket 211
The lateral wall of lateral wall and closed piston 29 be flush, the material of pressure spring 24 and reset spring 216 is stainless steel, and
Antirust treatment is passed through in the outer surface of pressure spring 24 and reset spring 216, and the central diameter of pressure spring 24 is 4mm, and pressure regulation bullet
The coefficient of elasticity of spring 24 is 5.53N/mm, and the central diameter of reset spring 216 is 1mm, and the coefficient of elasticity of reset spring 216 is
The top of 1.32N/mm, adjusting rod 27 are fixedly connected with the middle position of handwheel bottom, and the transversal cross-section shape of sealing block 25 is
Regular circle shapes, the utility model.
When in use, the first run that 27 top of adjusting rod is rotated by direction pivots clockwise or counter-clockwise, makes threaded block 26 exist
While rotation drive sealing block 25 upwardly or downwardly move, make the pressure for diaphragm 23 of entire pressure spring 24 into
Row adjustment, water flow flows to 214 directions of outlet by import 213 at this time, and hydraulic pressure drives closed piston 29 to prop up upwards to diaphragm 23, together
When, when needle-valve 4 and the opening of ball valve 5, the pressure of pressure spring 24 is greater than the hydraulic pressure for acting on 23 lower end of diaphragm, closes rubber block
217 move down opening water stream channel, and the unlatching of downstream ball valve 5 is more, and the hydraulic pressure for acting on 23 lower end of diaphragm is smaller by main valve 2
Flow it is bigger, therefore control by the opening size for the mouth that shuts off in control bound 2 pressure at outlet 214, aperture is got over
Small, liquid is hindered smaller by the liquid of the mouth that shuts off, and the pressure loss is smaller, and outlet pressure is bigger, on the contrary then outlet pressure is smaller.
Can to sum up obtain: the utility model is due to improving valve body 21, by setting in the bottom of closing rubber block 217
Telescopic rod 215 and reset spring 216 are set, and the central diameter of pressure spring 24 is 4mm, and the coefficient of elasticity of pressure spring 24 is
5.53N/mm, the central diameter of reset spring 216 is 1mm, and the coefficient of elasticity of reset spring 216 is 1.32N/mm, can make to reset
Spring 216 in the case where not influencing 24 performance of pressure spring to closing rubber block 217 reseting procedure in form augmented thrust,
To reach the ability that automatically resets for guaranteeing 200x pressure reducing valve, while the purpose of 200x decompression valve regulation precision is improved,
The utility model is due to improving main valve 2, by main valve 2, filter 3, needle-valve 4, ball valve 5 and shut-off valve 6 in back-shaped pipe 1
On distribution form, liquid can make the pressure approximate range value of entire main valve 2, be passed through ball valve 5 by entering on the left of back-shaped pipe 1
Openings of sizes pre-adjusted, ball valve 5 open it is more, act on the smaller stream by main valve 2 of hydraulic pressure of 23 lower end of diaphragm
Amount is bigger, and is closing needle-valve 4, while when opening stop valve 6, liquid can be made to be in concora crush state, to make entirely to manage
Road system offers convenience in maintenance.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (7)
1. a kind of 200x pressure reducing valve, including back-shaped pipe (1), main valve (2), filter (3), needle-valve (4), ball valve (5) and shut-off valve
(6), it is characterised in that: the main valve (2) is located at back-shaped pipe (1) subsequent middle position, and the filter (3) is located at main valve
(2) left side, the needle-valve (4) is located at the left side of filter (3), and ball valve (5) is located at the right side of main valve (2), the cut-off
Valve (6) is located at the middle position in front of back-shaped pipe (1);
The main valve (2) includes valve body (21), film room (22), diaphragm (23), pressure spring (24), sealing block (25), damping gear
Plate (28), O-ring gasket (211), valve rod (212), import (213), outlet (214), telescopic rod (215), is answered at closed piston (29)
Position spring (216) and rubber block (217) are closed, the film room (22) is located at the inside of valve body (21), and the two of the diaphragm (23)
Side is connect with the middle position of film room (22) inner wall two sides respectively, at the top of one end and diaphragm (23) of the pressure spring (24)
Middle position connection, the sealing block (25) are located at the inside of valve body (21), the lateral wall and valve body of the sealing block (25)
(21) middle position at the top of inner sidewall is slidably connected, and the centre of the other end of pressure spring (24) and sealing block (25) bottom
Position connects, and the middle position at the top of the sealing block (25) is connect by bearing with the middle position of threaded block (26) bottom,
And be connected through a screw thread at the top of the lateral wall of threaded block (26) and valve body (21) inner sidewall, at the top of the threaded block (26) in
Between position connect with the bottom of adjusting rod (27), the middle position of the top of the adjusting rod (27) at the top of valve body (21) is simultaneously
Its top is extended to, the top on the right side of the damping baffle (28) is connect with the right side of film room (22) bottom, the closed piston
(29) top is in contact with the middle position of diaphragm (23) bottom, the lateral wall and damping baffle of the closed piston (29)
(28) it is in contact on the left of, the middle position of the bottom of closed piston (29) outer surface is provided with mounting groove (210), described
The inner sidewall of mounting groove (210) and the inner sidewall of O-ring gasket (211) socket-connect, the interposition of closed piston (29) bottom
It sets and is connect with the top of valve rod (212), the import (213) is located at the left side of valve body (21), and the outlet (214) is located at valve body
(21) bottom on right side, the valve rod (212) is connect with the middle position at the top of closing rubber block (217), and damping baffle
(28) bottom be located at closing rubber block (217) top right side middle position surface, one end of the telescopic rod (215) with
The middle position of valve body (21) inner wall bottom connects, and the centre at the top of telescopic rod (215) and closing rubber block (217) bottom
Position connection, the reset spring (216) and the outer surface of telescopic rod (215) socket-connect, and the both ends of reset spring (216) point
It is not connect with the bottom of the bottom of valve body (21) inner wall and closing rubber block (217).
2. a kind of 200x pressure reducing valve according to claim 1, it is characterised in that: the mounting groove (210) is circular ring slot,
And the lateral wall of O-ring gasket (211) and the lateral wall of closed piston (29) are flush.
3. a kind of 200x pressure reducing valve according to claim 1, it is characterised in that: the pressure spring (24) and reset spring
(216) material is stainless steel, and antirust treatment is passed through in the outer surface of pressure spring (24) and reset spring (216).
4. a kind of 200x pressure reducing valve according to claim 1, it is characterised in that: the central diameter of the pressure spring (24) is
4mm, and the coefficient of elasticity of pressure spring (24) is 5.53N/mm.
5. a kind of 200x pressure reducing valve according to claim 1, it is characterised in that: the central diameter of the reset spring (216) is
1mm, and the coefficient of elasticity of reset spring (216) is 1.32N/mm.
6. a kind of 200x pressure reducing valve according to claim 1, it is characterised in that: the top of the adjusting rod (27) and handwheel
The middle position of bottom connects.
7. a kind of 200x pressure reducing valve according to claim 1, it is characterised in that: the transversal cross-section shape of the sealing block (25)
Shape is regular circle shapes.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201920091397.8U CN209370537U (en) | 2019-01-18 | 2019-01-18 | A kind of 200x pressure reducing valve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201920091397.8U CN209370537U (en) | 2019-01-18 | 2019-01-18 | A kind of 200x pressure reducing valve |
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Publication Number | Publication Date |
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CN209370537U true CN209370537U (en) | 2019-09-10 |
Family
ID=67825993
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CN201920091397.8U Active CN209370537U (en) | 2019-01-18 | 2019-01-18 | A kind of 200x pressure reducing valve |
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CN (1) | CN209370537U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113522171A (en) * | 2021-07-21 | 2021-10-22 | 高砂电气(苏州)有限公司 | Quantitative discharging device |
-
2019
- 2019-01-18 CN CN201920091397.8U patent/CN209370537U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113522171A (en) * | 2021-07-21 | 2021-10-22 | 高砂电气(苏州)有限公司 | Quantitative discharging device |
CN113522171B (en) * | 2021-07-21 | 2024-03-19 | 高砂电气(苏州)有限公司 | Quantitative discharge device |
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CP02 | Change in the address of a patent holder |
Address after: 261000 Huizhi Industrial Park, Yuandu, Zhongnan high tech Zone, taixiang street and Wenhua Road, Weifang Economic Development Zone, Shandong Province 91 Patentee after: SHANDONG HUGONG VALVE MANUFACTURING CO.,LTD. Address before: 261061 2-2211, complex building 12, Qinghe Park, No. 5738, Dongfeng East Street, high tech Zone, Weifang City, Shandong Province Patentee before: SHANDONG HUGONG VALVE MANUFACTURING CO.,LTD. |
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CP02 | Change in the address of a patent holder |