CN201078499Y - Flow control valve - Google Patents
Flow control valve Download PDFInfo
- Publication number
- CN201078499Y CN201078499Y CNU2007201144763U CN200720114476U CN201078499Y CN 201078499 Y CN201078499 Y CN 201078499Y CN U2007201144763 U CNU2007201144763 U CN U2007201144763U CN 200720114476 U CN200720114476 U CN 200720114476U CN 201078499 Y CN201078499 Y CN 201078499Y
- Authority
- CN
- China
- Prior art keywords
- flow control
- spool
- flow
- valve
- water outlet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 81
- 239000010985 leather Substances 0.000 claims description 30
- 230000001105 regulatory effect Effects 0.000 claims description 16
- 230000008719 thickening Effects 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 5
- 238000009434 installation Methods 0.000 abstract description 6
- 230000008901 benefit Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 11
- 230000008859 change Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 238000005056 compaction Methods 0.000 description 2
- 230000015654 memory Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- CBVWMGCJNPPAAR-HJWRWDBZSA-N (nz)-n-(5-methylheptan-3-ylidene)hydroxylamine Chemical compound CCC(C)C\C(CC)=N/O CBVWMGCJNPPAAR-HJWRWDBZSA-N 0.000 description 1
- 241000220317 Rosa Species 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Images
Landscapes
- Mechanically-Actuated Valves (AREA)
Abstract
The utility model provides a flow control valve, which belongs to the mechanical technical field and solves the problems that the prior flow control valve is difficult in installation and great in volume. The flow control valve comprises a valve body with water inlet and outlet and a lower end cap which is fixedly connected at the lower end of the valve body. A manual adjusting valve block, which can adjust the flow manually, is arranged between the water inlet and the water outlet, and an automatic adjusting valve block is arranged between the manual adjusting valve block and the lower end cap. The automatic adjusting valve block comprises a valve core used for flow adjustment, a rubber cap and a spring, wherein, the rubber cap is arranged between the valve body and the lower end cap and forms a sealed chamber with the rubber cap and the lower end cap, a passage is arranged between the chamber and the water outlet and is used to communicate the chamber and the water outlet, the lower end of the valve core is fixedly connected with the rubber cap, the top end of the valve core is propped on the manual adjusting valve block, the spring is arranged in the chamber with one end propped on the lower end cap and the other end on the lower end of the valve core. The flow control valve has the advantages of simple structure, convenient installation and small volume.
Description
Technical field
The utility model belongs to field of mechanical technique, relates to a kind of flow control valve.
Background technique
Under many circumstances, need regulate and distribute the flow in the pipe network, as especially common in the water systems such as central heat supply, central air-conditioner.Flow control valve is a kind of water conservancy operating mode balance valve of automatic constant flow, can set flow on demand, and keeps constant by the flow of valve.Its application makes the Flow-rate adjustment of pipe network finish successively, transferring net work to become simple.
Existing flow control valve all exists installs shortcomings such as loaded down with trivial details, that volume is big.As China Patent No. is 03244608.X " a kind of flow control valve ", it discloses one and has had water-inlet cavity, the valve body of water chamber and upper end-hole and a lower end mouth, be installed in manual modulation valve in the valve body upper end-hole and capping, one with the coaxial installation of manual modulation valve and valve body lower end mouth in automatic regulating valve, automatic regulating valve comprises a diaphragm, by pressing plate and spring seat and diaphragm automatic valve rod that connects and the automatic flap that is connected with automatic valve rod upper end, it is the diaphragm exocoel that diaphragm and lower cover surround the cavity that forms, it be connected with water-inlet cavity by the back-pressure hole, the top cavity of diaphragm is the diaphragm inner chamber, holds self-regulating main member.
Therefrom as can be seen, the manual modulation valve and the distance between the automatic regulating valve of this flow control valve are very big, cause the volume of this flow control valve also to increase thereupon, and be particularly highly very high; Secondly, this flow control valve also still adopts the mode of flange to be connected with other pipelines, connect loaded down with trivial details, and owing to parts such as will using bolt uprises installation cost.
Summary of the invention
The purpose of this utility model is the above-mentioned problem that exists at existing flow control valve, and a kind of easy for installation, simple in structure, flow control valve that volume is little is provided.
The purpose of this utility model can realize by following technical proposal: a kind of flow control valve, comprise valve body that has water intake and water outlet and the lower end cap that is connected in valve body lower end, between water intake and water outlet, be provided with the manual tune valve assembly of manual tune flow, between manual tune valve assembly and lower end cap, be provided with the automatic regulating valve assembly, described automatic regulating valve assembly comprises the spool that is used to regulate flow, leather cup and spring, leather cup is arranged between valve body and the lower end cap and forms the cavity of a sealing by leather cup and lower end cap, be provided with between this cavity and the above-mentioned water outlet and make both identical passages, it is characterized in that, the lower end of described spool and above-mentioned leather cup are connected, the upper end of spool withstands on the manual tune valve assembly, above-mentioned spring is arranged in the cavity, the one end withstands on lower end cap, and the other end withstands on the lower end of spool.
This flow control valve is used for the flow in the pilot line, makes flow control in certain scope.The manual tune valve assembly can manually be provided with the flow size that water intake flows to water outlet.After the good flow size of manual modulation valve module sets, the automatic regulating valve assembly can be adjusted the flow size automatically according to the flow change of this flow control valve of flowing through, and makes stability of flow in a scope.Here be noted that the mode of regulating flow here is to adopt the size of the unlatching of opening to realize.After assembling this flow control valve, under the effect of spring, spool withstands on the manual tune valve assembly, and flow control valve is in closed condition, after the water intake water flowing, the cavity internal memory has air and makes the water of water outlet can not flow to cavity, pressure in the valve body greater than and pressure in the cavity, therefore, under the effect of pressure reduction, spool descends and water is passed through, but the flow of water outlet has reduced.Spring because this spool descends in the compaction cavum, in the flow minimizing of water intake, spool rises under the effect of spring, and flow reduces.
In above-mentioned flow control valve, described manual tune valve assembly comprises manual opening stem, handle and is used for the pressure regulation mandrel of control flow rate, this pressure regulation mandrel is arranged between the water intake and water outlet of valve body, above-mentioned manual opening stem one end is connected with the pressure regulation mandrel, and the other end passes valve body and is connected with handle.Handle with sleeve can drive the pressure regulation mandrel by manual opening stem and rotate, and the pressure regulation mandrel here can be realized the setting of flow size along with the size of the angle of rotating.
In above-mentioned flow control valve, described pressure regulation mandrel is cylindric, and its lower end has oblique breach along the outer side surface of pressure regulation mandrel.When tiltedly breach was not relative with water outlet fully, this flow control valve was in closed condition, rotated the pressure regulation mandrel, made oblique breach fully relative with water outlet, and then this flow control valve is in the unlatching maximum rating.
In above-mentioned flow control valve, described spool is cylindric, and its top is plugged in the pressure regulation mandrel, and the side of its underpart is provided with several by the opening of hollow out.Water can not flow out in large quantities from the top of spool when withstanding on the pressure regulation mandrel on the top of spool, and the water of water intake flows to and the roof pressure leather cup descends spool from opening.
In above-mentioned flow control valve, described leather cup is in the form of annular discs, and a middle circle has crooked up and down flexure plane.Leather cup will move up and down with spool, and the flexible distance that flexure plane can increase leather cup is set on leather cup, also can not impact the mobile of spool simultaneously.
In above-mentioned flow control valve, described leather cup and spool back to the middle part of the side pad that is connected, above-mentioned spring one end withstands on the pad.By this structure spring can be withstood on the pad, to reduce damage to leather cup.
In above-mentioned flow control valve, water intake and water outlet all have screw thread and are provided with thickening layer in the outside of water intake and water outlet.Employing is threaded convenient, can directly be connected with pipeline and needn't increase other connection sets.
In above-mentioned flow control valve, the convex edge of ring-type is stamped in described lower end, and this convex edge wraps the lower end mouth of valve body.This part leather cup that is pressed between valve body and the lower end cap can be wrapped in the lower end cap the inside, play the effect of protection, also increase effect attractive in appearance simultaneously.
In above-mentioned flow control valve, described handle is provided with the graduation line that is used to indicate the flow size.Do like this and can be convenient for people to use and observe.
Compared with prior art, this flow control valve has following advantage:
1, this flow control valve is arranged on spring in the cavity, by spring spool is withstood on the pressure regulation mandrel, and like this, the distance of manual tune valve assembly and automatic regulating valve assembly can be dwindled, and has reduced the volume of this flow control valve.
2, this flow control valve adopts parts such as spool and spring to realize regulating automatically flow, has simplified the structure of automatic regulating valve assembly, structure just simply.
3, the water intake of this flow control valve all adopts being connected with pipeline of screw thread to be connected with water outlet, and is easy for installation like this, is convenient to increase work efficiency.
Description of drawings
Fig. 1 is the structural representation of this flow control valve.
Fig. 2 is the perspective view of pressure regulation mandrel in this flow control valve.
Fig. 3 is the perspective view of spool in this flow control valve.
Fig. 4 is a spool plan structure schematic representation in this flow control valve.
Among the figure, valve body 1; Water intake 1a; Water outlet 1b; Thickening layer 1c; Lower end cap 2; Manual opening stem 3; Handle 4; Graduation line 41; Pressure regulation mandrel 5; Oblique breach 51; Seal ring 6; Convex edge 7; Spool 8; Opening 81; Leather cup 9; Flexure plane 91; Spring 10; Pad 11; Cavity 12; Passage 13.
Embodiment
Below be specific embodiment of the utility model and in conjunction with the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, this flow control valve, valve body 1, lower end cap 2, manual tune valve assembly and automatic regulating valve assembly are to be used for flow in the pilot line, make flow control in certain scope.
Specifically, have on the valve body 1 water intake 1a and with the water outlet 1b of water intake 1a on same axis, for pipeline can directly be connected with this flow control valve, all have screw thread and be provided with thickening layer 1c in the outside of water intake 1a and water outlet 1b at the inner side surface of water intake 1a and water outlet 1b.It is the join strength that is used for increasing water intake 1a and water outlet 1b place that thickening layer 1c is set.The manual tune valve assembly is arranged between water intake 1a and the water outlet 1b, comprise manual opening stem 3, handle 4 and be used for the pressure regulation mandrel 5 of control flow rate, obviously, pressure regulation mandrel 5 is arranged between the water intake 1a of valve body 1 and the water outlet 1b, pressure regulation mandrel 5 is cylindric, and its lower end has oblique breach 51 along the outer side surface of pressure regulation mandrel 5.Manual opening stem 3 one ends are connected by screw with the upper end of pressure regulation mandrel 5, and the other end passes valve body 1 and is connected with handle 4, and people use and watch for convenience, are provided with the graduation line 41 of indication flow size on handle 4.Be provided with seal ring 6 between manual opening stem 3 and valve body 1, this seal ring 6 plays the effect of sealing, and anti-sealing is from flowing out between valve body 1 and the manual opening stem 3.
Handle with sleeve 4, can drive pressure regulation mandrel 5 by manual opening stem 3 and rotate, when the oblique breach 51 of pressure regulation mandrel 5 was not relative with water outlet 1b fully, this flow control valve was in closed condition, make oblique breach 51 fully relative with water outlet 1b, then this flow control valve is in the unlatching maximum rating.Like this, pressure regulation mandrel 5 can be realized the setting of flow size along with the size of the angle of rotating.
Lower end cap 2 is connected in valve body 1 lower end, and the automatic regulating valve assembly is arranged between manual tune valve assembly and the lower end cap 2, comprises the spool 8, leather cup 9 and the spring 10 that are used to regulate flow.Specifically, spool 8 is cylindric, its top is plugged on spool 8 can only be moved up and down, effect with guiding, the side of its underpart be provided with three equally distributed by the strip gab 81 of hollow out, the water of water intake 1a flow to from these openings 81 act on the leather cup 9 and spool 5 on, spool 8 is moved up and down, thereby make spool 8 tops and pressure regulation mandrel 5 form the flow caliber size, thereby the size of decision flow.Leather cup 9 is in the form of annular discs, and in order the mobile of spool 8 not impacted, a middle circle has crooked up and down flexure plane 91, so just increases the flexible distance of leather cup 9.Leather cup 9 and spool 8 lower ends back to the middle part of the side pad 11 that is connected, spool 8, leather cup 9 and pad 11 are connected by the mode of screw bolt and nut.The periphery of leather cup 9 is fixed between valve body 1 and the lower end cap 2, and passes through the cavity 12 of a leather cup 9 and a sealing of lower end cap 2 formation, and spring 10 is arranged in the cavity 12, and the one end withstands on the lower end cap 2, and the other end withstands on the pad 11.Be provided with between this cavity 12 and the water outlet 1b and make both identical passages 13, the lower end of described spool 1 and leather cup 9 are connected.For aesthetic and protection leather cup 9, be provided with the convex edge 7 of ring-type at the edge of lower end cap 2, this convex edge 7 wraps the lower end mouth of valve body 1.
After the water intake 1a of flow control valve and water outlet 1b and other pipelines directly connected with screw thread, the handle 4 in the rotation manual valve assembly got final product after setting the flow that needs.After the good flow size of manual modulation valve module sets, the automatic regulating valve assembly can be adjusted the flow size automatically according to the flow change of this flow control valve of flowing through, and makes stability of flow in a scope.When not having current to advance, under the effect of spring 10, the top of spool 8 withstands on the pressure regulation mandrel 5 of manual tune valve assembly, and flow control valve is in closed condition, after water intake 1a water flowing, cavity 12 internal memories have air and make the water of water outlet 1b can not flow to cavity 12, pressure in the valve body 1 greater than and pressure in the cavity 12, therefore, under the effect of pressure reduction, spool 8 descends and water is passed through, but the flow of water outlet 1b has reduced.Spring 10 because this spool 8 descends in the compaction cavum 12, in the flow minimizing of water intake 1a, spool 8 rises under the effect of spring 10, and flow reduces.
Because cavity 12 communicates with water outlet 1b, the interior pressure of the pressure of water intake 1a in the valve body 1 and cavity 12 is identical, when water inlet 1a has flow to increase, pressure in the valve body 1 increases, and the pressure in the cavity 12 does not have change, therefore, under the effect of pressure reduction, spool 8 descends up to the pressure of valve body 1 and cavity 12 balance again, because this spool 8 can be regulated the control flow rate size, flow reduces when spool 8 descends; Otherwise when water intake 1a had flow to reduce, spool 8 rose, and flow is increased.
Specific embodiment described herein only is that the utility model spirit is illustrated.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Although this paper has used valve body 1 morely; Water intake 1a; Water outlet 1b; Thickening layer 1c; Lower end cap 2; Manual opening stem 3; Handle 4; Graduation line 41; Pressure regulation mandrel 5; Oblique breach 51; Seal ring 6; Convex edge 7; Spool 8; Opening 81; Leather cup 9; Flexure plane 91; Spring 10; Pad 11; Cavity 12; Passage 13 terms such as grade, but do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain essence of the present utility model more easily; They are construed to any additional restriction all is contrary with the utility model spirit.
Claims (9)
1. flow control valve, comprise valve body (1) that has water intake (1a) and water outlet (1b) and the lower end cap (2) that is connected in valve body (1) lower end, between water intake (1a) and water outlet (1b), be provided with the manual tune valve assembly of manual tune flow, between manual tune valve assembly and lower end cap (2), be provided with the automatic regulating valve assembly, described automatic regulating valve assembly comprises the spool (8) that is used to regulate flow, leather cup (9) and spring (10), leather cup (9) is arranged between valve body (1) and the lower end cap (2) and forms the cavity (12) of a sealing by leather cup (9) and lower end cap (2), be provided with between this cavity (12) and the above-mentioned water outlet (1b) and make both identical passages (13), it is characterized in that, the lower end of described spool (8) and above-mentioned leather cup (9) are connected, the upper end of spool (8) withstands on the manual tune valve assembly, above-mentioned spring (10) is arranged in the cavity (12), the one end withstands on lower end cap (2), and the other end withstands on the lower end of spool (8).
2. flow control valve according to claim 1, it is characterized in that, described manual tune valve assembly comprises manual opening stem (3), handle (4) and is used for the pressure regulation mandrel (5) of control flow rate, this pressure regulation mandrel (5) is arranged between the water intake (1a) and water outlet (1b) of valve body (1), above-mentioned manual opening stem (3) one ends are connected with pressure regulation mandrel (5), and the other end passes valve body (1) and is connected with handle (4).
3. flow control valve according to claim 2 is characterized in that, described pressure regulation mandrel (5) is cylindric, and its lower end has oblique breach (51) along the outer side surface of pressure regulation mandrel (5).
4. according to claim 2 or 3 described flow control valves, it is characterized in that described spool (8) is cylindric, its top is plugged in the pressure regulation mandrel (5), and the side of its underpart is provided with several by the opening of hollow out (81).
5. according to claim 1 or 2 or 3 described flow control valves, it is characterized in that described leather cup (9) is in the form of annular discs, a middle circle has crooked up and down flexure plane (91).
6. flow control valve according to claim 5 is characterized in that, described leather cup (9) and spool (8) back to the middle part of the side pad (11) that is connected, above-mentioned spring (10) one ends withstand on the pad (11).
7. according to claim 1 or 2 or 3 described flow control valves, it is characterized in that described water intake (1a) and water outlet (1b) all have screw thread and be provided with thickening layer (1c) in the outside of water intake (1a) and water outlet (1b).
8. according to claim 1 or 2 or 3 described flow control valves, it is characterized in that described lower end cap (2) has the convex edge (7) of ring-type, this convex edge (7) wrap the lower end mouth of valve body (1).
9. according to claim 2 or 3 described flow control valves, it is characterized in that described handle (4) is provided with the graduation line (41) that is used to indicate the flow size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201144763U CN201078499Y (en) | 2007-09-26 | 2007-09-26 | Flow control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201144763U CN201078499Y (en) | 2007-09-26 | 2007-09-26 | Flow control valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201078499Y true CN201078499Y (en) | 2008-06-25 |
Family
ID=39570561
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201144763U Expired - Lifetime CN201078499Y (en) | 2007-09-26 | 2007-09-26 | Flow control valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201078499Y (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102213333A (en) * | 2011-05-20 | 2011-10-12 | 欧文托普阀门系统(北京)有限公司 | Two-way valve capable of adjusting flow balance for supplying heat |
| CN102384291A (en) * | 2011-11-02 | 2012-03-21 | 浙江盾安阀门有限公司 | Self-operated flow control valve |
| CN102445311A (en) * | 2010-10-15 | 2012-05-09 | 安徽中科智能高技术有限责任公司 | Gas-adjustable flow meter |
| CN104238490A (en) * | 2013-06-20 | 2014-12-24 | 株式会社东芝 | Signal transmission/reception system in industrial plant |
| CN109340409A (en) * | 2018-11-27 | 2019-02-15 | 济南强大科技有限公司 | Flow-controllable formula valve gear |
| CN109458352A (en) * | 2018-10-30 | 2019-03-12 | 浙江水利水电学院 | A kind of Centrifugal Pump regulating device and its manufacturing method |
| CN109751418A (en) * | 2017-11-03 | 2019-05-14 | 浙江盾安智控科技股份有限公司 | Dynamic equilibrium valve |
| CN110039744A (en) * | 2019-05-23 | 2019-07-23 | 郑州联合电气有限公司 | Casting apparatus special filtering and regulator |
| CN110553070A (en) * | 2019-09-29 | 2019-12-10 | 绥中泰德尔自控设备有限公司 | Dynamic balance two-way valve |
| CN110578817A (en) * | 2019-09-29 | 2019-12-17 | 绥中泰德尔自控设备有限公司 | A dynamic balance regulating valve |
-
2007
- 2007-09-26 CN CNU2007201144763U patent/CN201078499Y/en not_active Expired - Lifetime
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102445311A (en) * | 2010-10-15 | 2012-05-09 | 安徽中科智能高技术有限责任公司 | Gas-adjustable flow meter |
| CN102445311B (en) * | 2010-10-15 | 2013-09-25 | 安徽中科智能高技术有限责任公司 | Gas-adjustable flow meter |
| CN102213333A (en) * | 2011-05-20 | 2011-10-12 | 欧文托普阀门系统(北京)有限公司 | Two-way valve capable of adjusting flow balance for supplying heat |
| CN102384291A (en) * | 2011-11-02 | 2012-03-21 | 浙江盾安阀门有限公司 | Self-operated flow control valve |
| CN104238490A (en) * | 2013-06-20 | 2014-12-24 | 株式会社东芝 | Signal transmission/reception system in industrial plant |
| CN109751418A (en) * | 2017-11-03 | 2019-05-14 | 浙江盾安智控科技股份有限公司 | Dynamic equilibrium valve |
| CN109751418B (en) * | 2017-11-03 | 2024-06-04 | 浙江迪艾智控科技股份有限公司 | Dynamic balance valve |
| CN109458352A (en) * | 2018-10-30 | 2019-03-12 | 浙江水利水电学院 | A kind of Centrifugal Pump regulating device and its manufacturing method |
| CN109340409B (en) * | 2018-11-27 | 2023-09-29 | 济南强大科技有限公司 | Controllable flow valve device |
| CN109340409A (en) * | 2018-11-27 | 2019-02-15 | 济南强大科技有限公司 | Flow-controllable formula valve gear |
| CN110039744A (en) * | 2019-05-23 | 2019-07-23 | 郑州联合电气有限公司 | Casting apparatus special filtering and regulator |
| CN110553070A (en) * | 2019-09-29 | 2019-12-10 | 绥中泰德尔自控设备有限公司 | Dynamic balance two-way valve |
| CN110578817A (en) * | 2019-09-29 | 2019-12-17 | 绥中泰德尔自控设备有限公司 | A dynamic balance regulating valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201078499Y (en) | Flow control valve | |
| CN102758942A (en) | Pressure regulating valve of water tank of solar water heater | |
| CN113738923A (en) | Pilot-operated high-pressure reducing valve with stable output flow and pressure and method thereof | |
| CN202790762U (en) | Fuel gas self-closing valve | |
| CN202203444U (en) | Handle-free temperature controlled basin faucet | |
| CN2828498Y (en) | Flow automatic regulating valve | |
| CN206582366U (en) | A kind of gasket type one-way constant flow valve | |
| CN204805622U (en) | Novel double fluid measures out liquid device | |
| CN107940077A (en) | A kind of negative pressure valve and there is its water dispenser | |
| CN202580184U (en) | Current regulator with mother and daughter valves | |
| CN208057972U (en) | It is a kind of to idle discharge steam valve | |
| CN208640419U (en) | Water outlet water nozzle and water dispenser for water dispenser | |
| CN100480563C (en) | Bidirectional controlled water nozzle valve | |
| CN206929379U (en) | A kind of push button tap | |
| CN202360836U (en) | Backwater valve | |
| CN208982732U (en) | A kind of easy-to-mount sealed valve | |
| CN212616456U (en) | Ball valve seat hole structure | |
| CN221525610U (en) | Triangle valve of easy installation | |
| CN212297806U (en) | Pressure regulator for bottled liquefied petroleum gas | |
| CN201209685Y (en) | Four-shifting switch tap | |
| CN204226741U (en) | A kind of tap for non-pressure-bearing type water heater and shower bath | |
| CN2267359Y (en) | Valve | |
| CN103383016A (en) | Galvanostat with mother valve and child valve | |
| CN202812348U (en) | Air pressure regulating valve of water tank of solar water heater | |
| CN211398726U (en) | Pressure difference pilot valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080625 |