CN206429721U - A kind of pressure limiting permanent flow valve - Google Patents

A kind of pressure limiting permanent flow valve Download PDF

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Publication number
CN206429721U
CN206429721U CN201621369909.5U CN201621369909U CN206429721U CN 206429721 U CN206429721 U CN 206429721U CN 201621369909 U CN201621369909 U CN 201621369909U CN 206429721 U CN206429721 U CN 206429721U
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China
Prior art keywords
pressure limiting
chamber
guide cylinder
valve body
pressure
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CN201621369909.5U
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Inventor
谢岳荣
薛永华
刘旺霞
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Shunde District Of Foshan City Le Hua Ceramic Sanitary Appliance Co Ltd
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Shunde District Of Foshan City Le Hua Ceramic Sanitary Appliance Co Ltd
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Abstract

A kind of pressure limiting permanent flow valve, including valve body, valve body are provided with pressure limiting chamber, water inlet and delivery port, and pressure limiting chamber is respectively communicated with water inlet and delivery port;Pressure limiting intracavitary is provided with pressure limiting device and guide cylinder;Pressure limiting chamber connects water inlet by guide cylinder;Pressure limiting device activity is in guide cylinder, and the same side of sealing closing pressure limiting chamber and guide cylinder simultaneously, and the opposite side of pressure limiting chamber and guide cylinder is interconnected by changeable channel;During work, water under high pressure effect pressure limiting device makes changeable channel diminish, and realizes and water under high pressure is depressured.The utility model specifically has following beneficial effect by setting pressure limiting device to carry out pressure limiting processing to high hydraulic pressure:1. water under high pressure compression elastic piece, makes changeable channel diminish, antihypertensive effect is reached;2. by setting rotary switch, the switch of permanent flow valve is can control, it is easy to operate;3. by setting drainage part to reach drainage effect on valve body, it is ensured that with water health.

Description

A kind of pressure limiting permanent flow valve
Technical field
The utility model is related to a kind of permanent flow valve, more particularly to a kind of pressure limiting permanent flow valve, is particularly suitable for use on closestool, this Outside, it can also be used different with water place, such as:Family, or the public place such as club, hotel, hospital, apartment.
Background technology
Now on the market prevent the permanent flow valve of high hydraulic pressure, be typically all that come controlling switch, manufacturing cost is high with automatically controlled, and Performance is unreliable.Chinese patent literature CN102032371A disclosed a kind of permanent flow valve on April 27th, 2011, specific open Include valve body, bonnet and seal, seal is provided with valve body connection screw thread located at the junction of valve body and bonnet on valve body And water inlet, bonnet connection screw thread and delivery port are provided with bonnet, it also includes constant current valve element, constant current spring and movable sealing Part, constant current valve element is located in body cavity, and constant current spring housing is on constant current valve element, and one end heads on bonnet, and the other end heads on perseverance Flow valve core base, outside and the activity of body cavity side wall of constant current valve core base coordinate, and dynamic seal is located at constant current valve element bottom Between the outside of seat and body cavity side wall, body cavity is divided into compression chamber and perseverance by indent in the middle of constant current valve core base bottom Flow control chamber, constant current valve element is provided with longitudinal water stream channel and lateral stream passage.The structure will press effect poor, water yield compared with Few, function is single, therefore, it is necessary to be further improved.
Utility model content
The purpose of this utility model aims to provide a kind of simple and reasonable, environmental protection and energy saving, prevents the quick-fried water pipe of high hydraulic pressure, property Energy is reliable, pressure limiting permanent flow valve with regulation switching function and with water filtering function, to overcome weak point of the prior art.
A kind of pressure limiting permanent flow valve designed by this purpose, including valve body, valve body are provided with pressure limiting chamber, water inlet and water outlet Mouthful, pressure limiting chamber is respectively communicated with water inlet and delivery port;It is characterized in that:Pressure limiting intracavitary is provided with pressure limiting device and guide cylinder;Limit Pressure chamber connects water inlet by guide cylinder;Pressure limiting device activity is in guide cylinder, and sealing closing pressure limiting chamber and guide cylinder simultaneously The same side, the opposite side of pressure limiting chamber and guide cylinder is interconnected by changeable channel;During work, water under high pressure effect pressure limiting device Changeable channel is diminished, realize and water under high pressure is depressured.
The pressure limiting device includes pressure limiting post and pressure limiting piston, and pressure limiting piston is arranged in the middle part of pressure limiting post;Above and below pressure limiting post End extends through guide cylinder, and pressure limiting piston is provided with for the great circle portion of sealing closing pressure limiting chamber and for sealing closing guide cylinder Roundlet portion.
Elastic component is provided between the pressure limiting device and valve body, the direct or indirect Operating valve body in elastic component one end is another End directly or indirectly acts on pressure limiting device, pressure limiting device is oppositely oriented cylinder and/or the slip of valve body elastic reset.
Described pressure limiting post one end is provided with for acting on rotary switch of the pressure limiting device with respect to valve body slides, and the other end is set Have for opening and closing the open-ended switch gland of guide cylinder;Changeable channel is the gap between guide cylinder and switch gland;It is oriented to During the open-ended opening of cylinder, it is oriented to tube inner chamber and is connected with pressure limiting chamber;During the open-ended closing of guide cylinder, tube inner chamber and pressure limiting are oriented to Chamber is not connected.
The valve body, which is provided with pressure limiting mouthful, pressure limiting mouthful, is provided with pressure limiting gland, and pressure limiting column end runs through pressure limiting gland simultaneously Be spirally connected rotary switch, and pressure limiting post can not be rotated relative to pressure limiting gland.
It is communicated with being oriented to detachable at the discharge outlet of tube inner chamber and/or pressure limiting chamber, discharge outlet on the valve body to be equipped with Closure.
The valve body is provided with the drainage chamber for being respectively communicated with pressure limiting chamber and delivery port, and drainage intracavitary detachable is equipped with filtering Part, filter element is placed between pressure limiting chamber and delivery port.
The valve body includes the pressure limiting valve body being connected with each other and filtering valve body, water inlet, pressure limiting mouthful, discharge outlet and pressure limiting chamber It is respectively arranged on pressure limiting valve body, delivery port and drainage chamber are respectively arranged on filtering valve body.
The water inlet connects guide cylinder sidepiece;Delivery port connects pressure limiting chamber sidepiece;Elastic reset is slided above and below pressure limiting device Dynamic is arranged in guide cylinder;Drum outer wall is oriented to pressure limiting cavity wall interval to coordinate;Pressure limiting device seals closing pressure limiting chamber simultaneously With the top of guide cylinder;Pressure limiting chamber bottom is interconnected with guide cylinder bottom.
The utility model specifically has following beneficial effect by setting pressure limiting device to carry out pressure limiting processing to high hydraulic pressure:
1. water under high pressure enters guide cylinder, if pressure is more than the elastic force of elastic component, compression elastic piece becomes changeable channel It is small, reach antihypertensive effect;If pressure is less than the elastic force of elastic component, elastic component is not deformed upon, and changeable channel is constant, and hydraulic pressure is not Become;
2. pressure limiting device can open and close changeable channel by rotary switch, controlled with the switch for realizing permanent flow valve, it is easy to operate Fast;
3. by setting drainage part to reach drainage effect on valve body, it is ensured that with water health.
Brief description of the drawings
Fig. 1 is the exploded view of the embodiment of the utility model one.
Fig. 2 is the installation diagram of the embodiment of the utility model one.
Fig. 3 is the front view of the embodiment of the utility model one.
Fig. 4 is the top view of the embodiment of the utility model one.
Fig. 5 is the side view of the embodiment of the utility model one.
Fig. 6 is the sectional view of pressure limiting device in the embodiment of the utility model one.
Fig. 7 is the sectional view of valve body in the embodiment of the utility model one.
Fig. 8 is the use state figure (section view) of the embodiment of the utility model one.
Fig. 9 is the closed mode figure (section view) of the embodiment of the utility model one.
Embodiment
Below in conjunction with the accompanying drawings and embodiment is further described to the utility model.
Referring to Fig. 1-Fig. 9, this pressure limiting permanent flow valve, including valve body, valve body are provided with pressure limiting chamber 8.5, water inlet 8.1 and water outlet Mouth 15.1, pressure limiting chamber 8.5 is respectively communicated with water inlet 8.1 and delivery port 15.1;Pressure limiting device 6 is provided with pressure limiting chamber 8.5 and is led To cylinder 8.4;Water inlet 8.1 connects the sidepiece of guide cylinder 8.4;The sidepiece of the connection pressure limiting of delivery port 15.1 chamber 8.5;The outer wall of guide cylinder 8.4 Coordinate with the inwall interval of pressure limiting chamber 8.5;Pressure limiting chamber 8.5 connects water inlet 8.1 by guide cylinder 8.4;Pressure limiting device is elastic about 6 Reset and slide in guide cylinder 8.4, and the top of the pressure limiting chamber of sealing closing simultaneously 8.5 and guide cylinder 8.4, pressure limiting chamber 8.5 and lead It is interconnected to the bottom of cylinder 8.4 by a changeable channel;During work, water under high pressure effect pressure limiting device 6 makes changeable channel diminish, Realize and water under high pressure is depressured.This structure can not both increase external force and realize effective pressure limiting, and environmental protection and energy saving effectively prevent high hydraulic pressure booster Phenomenon;And do not influence water yield, it is ensured that high-quality usage experience;In addition, this permanent flow valve is simple in construction, compact is installed It can extend each service life for using aquatic products in feed source.If hydraulic pressure is not reaching to voltage limiting value, it will not be limited Pressure processing, the voltage limiting value is suitable with the elastic force that pressure limiting device 6 is subject to.
Furtherly, the pressure limiting device 6 includes pressure limiting post 6.1 and pressure limiting piston 6.2, and shaping integral with one another, pressure limiting is lived Plug 6.2 is arranged at the middle part of pressure limiting post 6.1;The upper and lower side of pressure limiting post 6.1 extends through guide cylinder 8.4, and pressure limiting piston 6.2 is provided with For sealing the great circle portion 6.21 of the inwall of closing pressure limiting chamber 8.5 and the roundlet portion 6.22 of the inwall of guide cylinder 8.4 being closed for sealing; Roundlet sealing ring 7 is provided with to improve to be provided with great circle sealing ring 5, roundlet portion 6.22 in sealing, great circle portion 6.21.This knot Structure can ensure that the water effect pressure limiting piston 6.2 of high hydraulic pressure, reach the effect of decompression, sealing structure then prevents pressure release.
Furtherly, elastic component 3 (elastic component 3 is helical spring), elasticity are provided between the pressure limiting device 6 and valve body One end indirectly-acting valve body of part 3, the other end directly acts on pressure limiting device 6, pressure limiting device 6 is oppositely oriented cylinder and valve body elasticity again Position is slided, and elastic component 3 resets for pressure limiting device 6 provides necessary active force.
Furtherly, described one end of pressure limiting post 6.1 is provided with for acting on pressure limiting device 6 with respect to the rotation that valve body is slided up and down Button switch 1, the other end is provided with the switch gland 10 for opening and closing the bottom end opening of guide cylinder 8.4;Changeable channel is guide cylinder 8.4 With the gap between switch gland 10;It is close that switch is provided with to improve sealing, between the bottom of guide cylinder 8.4 and switch gland 10 Seal 9;When the bottom end opening of guide cylinder 8.4 is opened, the inner chamber of guide cylinder 8.4 is connected with pressure limiting chamber 8.5, and now permanent flow valve enters and used State;When the bottom end opening of guide cylinder 8.4 is closed, the inner chamber of guide cylinder 8.4 is not connected with pressure limiting chamber 8.5, and now permanent flow valve, which is in, closes Closed state.This structure can control the switch of permanent flow valve by rotary switch 1, simple to operate, and the closing of permanent flow valve can be kept away Exempt from aquatic products related water pipe compression for a long time when not in use, in addition, rotary switch 1 can also adjust the maximum row of pressure limiting device 6 Journey, is used with being adapted for different situations.
Furtherly, the body top, which is provided with fixed closed at pressure limiting mouthful 8.2, pressure limiting mouthful 8.2, pressure limiting gland 2, limits Pressure limiting gland 2 and the rotary switch 1 that is spirally connected are run through in the top of compression leg 6.1, and pressure limiting post 6.1 can not be rotated relative to pressure limiting gland 2.To improve Sealing, is provided with gland ring 4 between pressure limiting post 6.1 and pressure limiting gland 2.Rotary switch 1 is by way of rotation Control pressure limiting device switch-mode regulation about 6.
Furtherly, elastic component 3 is sheathed on pressure limiting post 6.1, and its top is acted on valve body by pressure limiting gland 2, bottom In annular groove 6.23 on portion's insertion pressure limiting piston 6.2, and pressure limiting device 6 is acted on by pressure limiting piston 6.2, pressure limiting gland 2 with A cavity without water is formed between pressure limiting piston 6.2, this structure solves the skill of the elastic reset of pressure limiting device 6 slip well Art requirement.
Furtherly, the body base is communicated with the discharge outlet 8.3 of the inner chamber of guide cylinder 8.4 and pressure limiting chamber 8.5, draining Detachable is equipped with closure 13 at mouth 8.3, and draining sealing ring 12 is provided with sealing, closure 13 to improve.For a long time Use, user can be by dismantling the waste water that closure 13 is drained in valve body, it is ensured that with water health.
Furtherly, the valve body is provided with the drainage chamber 15.3 for being respectively communicated with pressure limiting chamber 8.5 and delivery port 15.1, drainage Detachable is equipped with filter element 17 (filter element 17 is at least screen pack) in chamber 15.3, and filter element 17 is placed in pressure limiting chamber Between 8.5 and delivery port 15.1, after water source is by the filtration, purification of filter element 17, finally discharged from delivery port 15.1, it is ensured that use The use water health at family.
Furtherly, it is communicated with the drainage mouthfuls 15.2 of drainage chamber 15.3 on valve body, filter element 17 is from drainage mouthful 15.2 Load drainage chamber 15.3, and dismounted by screw connection manner, filter element 17 is provided with exposed service portion 17.1, and user is by making Can easy removal filter element 17 with portion 17.1.If clogging occurs in filter element 17, progress can be disassembled clear Wash or change, because the hydraulic pressure at delivery port 15.1 typically only has 3 kilograms, therefore filter element 17 is set close to delivery port 15.1 Put, can effectively extend its service life.To improve sealing, the surface both sides of filter element 17 are respectively arranged with the sealing of the first drainage The drainage sealing ring 18 of circle 16 and second.
Furtherly, the valve body includes the pressure limiting valve body 8 being connected with each other and filtering valve body 15, water inlet 8.1, pressure limiting mouthful 8.2nd, discharge outlet 8.3 and pressure limiting chamber 8.5 are respectively arranged on pressure limiting valve body 8, delivery port 15.1, drainage mouth 15.2 and drainage chamber 15.3 are respectively arranged on filtering valve body 15.To improve sealing, the junction between pressure limiting valve body 8 and filtering valve body 15 is set There are valve seals 14.
Operation principle:
Referring to Fig. 8, water under high pressure enters permanent flow valve in the direction of the arrow, after current are come in, and flows, then flows to out along N directions The mouth of a river 15.1, if hydraulic pressure is more than the elastic force of elastic component 3, now water can extrude elastic component 3 along M directions, be compressed in elastic component 3 While, the bottom of guide cylinder 8.4 and switch gland 10 between changeable channel can diminish, therefore delivery port 15.1 come out hydraulic pressure It will diminish.Wherein, the intake pressure of water inlet 8.1 is generally 0.7-20 kilograms, after pressure limiting is handled, delivery port 15.1 Discharge pressure is generally 0.7-3 kilograms, effectively reduces hydraulic pressure, prevents booster phenomenon.
When intake pressure is less than the elastic force of elastic component 3, after current are come in, is first flowed along N directions, then flow to delivery port 15.1, now water elastic component 3 can be extruded along M directions, this when, elastic component 3 will not be compressed, and pressure limiting device 6 is fixed, Therefore the hydraulic pressure that delivery port 15.1 comes out is equal to the hydraulic pressure of water inlet 8.1, does not interfere with and normally uses.
Referring to Fig. 9, rotary switch 1 is twisted, pressure limiting device 6 is moved up, until switch gland 10 is directed to the bottom of cylinder 8.4 and opened Mouth closing, now, the inner chamber of guide cylinder 8.4 is connected for 8.5 with pressure limiting chamber, makes permanent flow valve generally in closed mode, effectively protection Use aquatic products.
Above-mentioned is preferred scheme of the present utility model, and general principle of the present utility model, principal character has been shown and described With advantage of the present utility model.Those skilled in the art should be recognized that the utility model is not restricted to the described embodiments, on State and simply illustrate principle of the present utility model described in embodiment and specification, do not departing from the utility model spirit and scope On the premise of the utility model also have various changes and modifications, it is new that these changes and improvements both fall within this claimed practicality In the range of type.The utility model is claimed scope and defined by appended claims and its equivalent.

Claims (9)

1. a kind of pressure limiting permanent flow valve, including valve body, valve body are provided with pressure limiting chamber (8.5), water inlet (8.1) and delivery port (15.1), pressure limiting chamber (8.5) is respectively communicated with water inlet (8.1) and delivery port (15.1);It is characterized in that:In pressure limiting chamber (8.5) It is provided with pressure limiting device (6) and guide cylinder (8.4);Pressure limiting chamber (8.5) connects water inlet (8.1) by guide cylinder (8.4);Pressure limiting Device (6) activity is in guide cylinder (8.4), and the same side of sealing closing pressure limiting chamber (8.5) and guide cylinder (8.4) simultaneously, limit The opposite side of chamber (8.5) and guide cylinder (8.4) is pressed to be interconnected by changeable channel;During work, water under high pressure effect pressure limiting device (6), changeable channel is diminished, realize and water under high pressure is depressured.
2. pressure limiting permanent flow valve according to claim 1, it is characterised in that:The pressure limiting device (6) include pressure limiting post (6.1) and Pressure limiting piston (6.2), pressure limiting piston (6.2) is arranged in the middle part of pressure limiting post (6.1);Pressure limiting post (6.1) both ends, which are extended through, leads To cylinder (8.4), pressure limiting piston (6.2), which is provided with, closes the great circle portion (6.21) of pressure limiting chamber (8.5) for sealing and for sealing Close the roundlet portion (6.22) of guide cylinder (8.4).
3. pressure limiting permanent flow valve according to claim 2, it is characterised in that:The pressure limiting device (6) is provided between valve body Elastic component (3), the direct or indirect Operating valve body in elastic component (3) one end, the other end directly or indirectly acts on pressure limiting device (6), made Pressure limiting device (6) is oppositely oriented cylinder (8.4) and/or valve body elastic reset is slided.
4. pressure limiting permanent flow valve according to claim 3, it is characterised in that:Described pressure limiting post (6.1) one end is provided with for making Rotary switch (1) with pressure limiting device (6) with respect to valve body slides, the other end is provided with to be opened for opening and closing guide cylinder (8.4) end The switch gland (10) of mouth;Changeable channel is the gap between guide cylinder (8.4) and switch gland (10);Guide cylinder (8.4) is held When portion's opening is opened, guide cylinder (8.4) inner chamber is connected with pressure limiting chamber (8.5);During guide cylinder (8.4) open-ended closing, it is oriented to Cylinder (8.4) inner chamber is not connected with pressure limiting chamber (8.5).
5. pressure limiting permanent flow valve according to claim 4, it is characterised in that:The valve body is provided with pressure limiting mouthful (8.2), pressure limiting mouthful (8.2) place is provided with pressure limiting gland (2), and pressure limiting gland (2) and the rotary switch that is spirally connected (1), pressure limiting are run through in pressure limiting post (6.1) end Post (6.1) can not be rotated relative to pressure limiting gland (2).
6. pressure limiting permanent flow valve according to claim 5, it is characterised in that:It is communicated with the valve body in guide cylinder (8.4) The discharge outlet (8.3) of chamber and/or pressure limiting chamber (8.5), discharge outlet (8.3) place detachable is equipped with closure (13).
7. pressure limiting permanent flow valve according to claim 6, it is characterised in that:The valve body is provided with and is respectively communicated with pressure limiting chamber (8.5) and delivery port (15.1) drainage chamber (15.3), drainage chamber (15.3) interior detachable is equipped with filter element (17), filters Part (17) is placed between pressure limiting chamber (8.5) and delivery port (15.1).
8. pressure limiting permanent flow valve according to claim 7, it is characterised in that:The valve body includes the pressure limiting valve body being connected with each other (8) and filtering valve body (15), water inlet (8.1), pressure limiting mouthful (8.2), discharge outlet (8.3) and pressure limiting chamber (8.5) are respectively arranged at On pressure limiting valve body (8), delivery port (15.1) and drainage chamber (15.3) are respectively arranged on filtering valve body (15).
9. according to any one of the claim 1-8 pressure limiting permanent flow valves, it is characterised in that:Water inlet (8.1) connection is oriented to Cylinder (8.4) sidepiece;Delivery port (15.1) connects pressure limiting chamber (8.5) sidepiece;Pressure limiting device (6) setting that elastic reset is slided up and down In guide cylinder (8.4);Guide cylinder (8.4) outer wall coordinates with pressure limiting chamber (8.5) inwall interval;Pressure limiting device (6) is sealed simultaneously Close the top of pressure limiting chamber (8.5) and guide cylinder (8.4);Pressure limiting chamber (8.5) bottom is interconnected with guide cylinder (8.4) bottom.
CN201621369909.5U 2016-12-14 2016-12-14 A kind of pressure limiting permanent flow valve Active CN206429721U (en)

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Application Number Priority Date Filing Date Title
CN201621369909.5U CN206429721U (en) 2016-12-14 2016-12-14 A kind of pressure limiting permanent flow valve

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Application Number Priority Date Filing Date Title
CN201621369909.5U CN206429721U (en) 2016-12-14 2016-12-14 A kind of pressure limiting permanent flow valve

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CN206429721U true CN206429721U (en) 2017-08-22

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108612891A (en) * 2018-07-04 2018-10-02 合肥迪鑫信息科技有限公司 A kind of intelligently realizing explosion-proof water valve component
CN109237090A (en) * 2018-11-09 2019-01-18 中国直升机设计研究所 A kind of throttle valve that rate of discharge is constant
CN111364957A (en) * 2020-04-09 2020-07-03 中国石油天然气股份有限公司 Miniaturized constant-current water distribution structure and detection device thereof

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108612891A (en) * 2018-07-04 2018-10-02 合肥迪鑫信息科技有限公司 A kind of intelligently realizing explosion-proof water valve component
CN109237090A (en) * 2018-11-09 2019-01-18 中国直升机设计研究所 A kind of throttle valve that rate of discharge is constant
CN109237090B (en) * 2018-11-09 2020-02-21 中国直升机设计研究所 Throttle valve with constant outlet flow
CN111364957A (en) * 2020-04-09 2020-07-03 中国石油天然气股份有限公司 Miniaturized constant-current water distribution structure and detection device thereof
CN111364957B (en) * 2020-04-09 2024-03-01 中国石油天然气股份有限公司 Miniaturized constant-current water distribution structure and detection device thereof

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