CN106015715B - A kind of Waterpower control device - Google Patents

A kind of Waterpower control device Download PDF

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Publication number
CN106015715B
CN106015715B CN201610602614.6A CN201610602614A CN106015715B CN 106015715 B CN106015715 B CN 106015715B CN 201610602614 A CN201610602614 A CN 201610602614A CN 106015715 B CN106015715 B CN 106015715B
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CN
China
Prior art keywords
gasket
water
upper shell
stop collar
socket section
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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.)
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Application number
CN201610602614.6A
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Chinese (zh)
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CN106015715A (en
Inventor
罗小春
方玉萍
范晓鸿
余民
余一民
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Jinhua Hongchang Electrlcal Equipment Co ltd
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JINHUA HONGCHANG ELECTRICAL EQUIPMENT CO Ltd
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Priority to CN201610602614.6A priority Critical patent/CN106015715B/en
Publication of CN106015715A publication Critical patent/CN106015715A/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00Actuating devices; Operating means; Releasing devices
    • F16K31/12Actuating devices; Operating means; Releasing devices actuated by fluid
    • F16K31/36Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor
    • F16K31/363Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor the fluid acting on a piston

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Gasket Seals (AREA)
  • Barrages (AREA)

Abstract

The invention discloses a kind of Waterpower control devices, including shell, the shell includes upper shell and lower housing, the lower housing is equipped with the socket section being socketed on inside upper shell, the lower housing is equipped with water inlet, and the upper shell is equipped with water outlet, the intake tunnel being connected with water inlet is equipped in the socket section, anti- return water mechanism is equipped in the shell, the anti-return water mechanism includes:Gasket between socket section and upper shell is set;The resetting spring being connected between gasket and upper shell;The gasket, which has, to be driven by resetting spring and covers the anti-backed-up water level being located on the socket section end face, and is driven by flow in intake tunnel and crossed water level with what socket section end face detached.The present invention can be effectively prevented the effect of water body reflux.

Description

A kind of Waterpower control device
Technical field
The invention belongs to valve technology fields, and in particular to a kind of Waterpower control device.
Background technology
In the existing household appliance such as washing machine, dish-washing machine, intelligent water toilet pan, need to use water valve control water body into Go out and water flow size, since there is no small differences in different regions for hydraulic pressure, and with the presence of area hydraulic pressure not Steady situation.And in the case that no hydraulic pressure, hydraulic pressure is unstable or intake pressure drastically declines when, household appliance water inlet end with Water outlet just will produce a negative pressure, since under the action of negative pressure, the water inlet end of household appliance will produce siphonage so that family Water reflux in electric equipment, the water body of reflux will pollute the water resource of water inlet end.And when water body pressure increases suddenly sometimes, If control is improper, overshoot effect can be also caused so that household appliance is damaged.
In the prior art, it is asked although also having and different technical solutions being taken to solve anti-overshoot and the reflux of anti-water-stop body etc. Topic, but existing technical solution is ineffective, structure is relatively complicated, does not have universal applicability, and of high cost, general Property it is poor, make trouble, product structure is complicated, assembly process is complicated, therefore in the prior art, cannot cannot still efficiently solve The problems such as anti-water-stop body overshoot and anti-water-stop body flow back in the existing household appliance such as washing machine, dish-washing machine, intelligent water toilet pan.
Invention content
To solve the above-mentioned problems, the present invention provides a kind of Waterpower control device, the phenomenon that effectivelying prevent water body to flow back Occur.
The technical scheme is that:A kind of hydraulic control valve, including shell, the shell include upper shell and lower casing Body, the lower housing are equipped with the socket section being socketed on inside upper shell, and the lower housing is equipped with water inlet, the upper shell It is equipped with water outlet, the intake tunnel being connected with water inlet is equipped in the socket section, anti-return water mechanism is equipped in the shell, The anti-return water mechanism includes:
Gasket between socket section and upper shell is set;
The resetting spring being connected between gasket and upper shell;
The gasket, which has, to be driven by resetting spring and covers the anti-backed-up water level being located on the socket section end face, Yi Jishou Flow drives and crosses water level with what socket section end face detached in intake tunnel.
Gasket in the present invention may be used to be made with certain elastically-deformable material, when water body is intake from lower housing Mouthful enter intake tunnel, when hydraulic pressure be more than resetting spring elastic force when, resetting spring is compressed, will make gasket be in and set The water level of crossing of section end face separation is connect, therefore water body can enter out of this gap in upper shell, finally via the water outlet of upper shell Mouth discharge.When the pressure in shell reduces or the water of upper shell water outlet is caused to flow back for other reasons, water body will be from going out The mouth of a river is back in upper shell, and under the hydraulic pressure effect and the driving of resetting spring of reflux water body, gasket is by resetting spring It drives and covers the anti-backed-up water level being located on the socket section end face so that cannot be introduced into lower casing into the reflux water body in upper shell In vivo, to be effectively prevented the phenomenon that water body flows back.
In order to enable water body alignment gasket flowing, preferably, being equipped in the intake tunnel for making gasket pair The diversion rod of quasi- socket section, the diversion rod include the diversion division being slidably matched with intake tunnel and are fixedly connected with gasket Interconnecting piece, the axial direction of the diversion division offer it is multiple for water body by diversion trench.Gasket in invention may be used It is made with certain elastically-deformable material, when water body is from the water inlet of lower housing intake tunnel into fashionable, water body will be along leading Diversion trench flowing in flow post.
In order to improve the sealing effect between socket section and upper shell, preferably, the socket section is towards upper shell One end carries positioning convex platform, and gap is formed between the positioning convex platform and upper enclosure inner wall, and sealing ring is equipped in the gap, described Gasket removable cover is set at the port of the positioning convex platform.
Hydraulic pressure increases suddenly in order to prevent occurs overshoot phenomenon, preferably, being additionally provided with anti-punch mechanism excessively in the shell.
Preferably, the anti-punch mechanism excessively includes the stop collar being fixedly connected in upper shell, at the resetting spring In in the centre bore of the stop collar, locating part is equipped between the gasket and stop collar.
Preferably, the locating part includes the spacing ring being arranged in the gasket periphery, the spacing ring activity against On end face of the stop collar towards gasket one end.The present invention is in low hydraulic pressure state, the space between spacing ring and stop collar It is larger so that the discharge area between spacing ring and stop collar becomes larger, thus more water can be made to pass through stop collar.Work as entrance Hydraulic pressure in shell is excessive, and when being in high water pressure condition, the compressive deformation of resetting spring increases, spacing ring and positioning convex platform port Between gap increase, spacing ring contacts with stop collar so that gasket can not continue to move under the action of hydraulic pressure, from And to keep rational gap between gasket and positioning convex platform port, control the water flow under high pressure conditions.
Preferably, the stop collar is sealingly mounted in upper shell, offered on the stop collar and the water outlet phase The flow-guiding mouth of connection.Stop collar is seal-installed in upper shell so that water body can only flow through in stop collar, and via with water outlet The flow-guiding mouth that is connected of mouth could enter water outlet, even if proper hydraulic pressure is excessive or unexpected increase, only come into The part water of enclosure interior could be discharged from water outlet, to avoid a large amount of water body being discharged from shell water outlet to equipment Cause too urgent punch damage equipment.
Preferably, the end face of the stop collar towards gasket one end is equipped with for making between stop collar and gasket Formed the first limit protrusion of water space.When high water pressure condition, the water body pressure that gasket is subject to is much larger than resetting spring Elastic force, resetting spring are compressed, and spacing ring is close to the first limit protrusion on stop collar, and it is close that the first limit protrusion plays support The effect of packing.Hydraulic pressure is bigger, and gasket deformation is bigger, and the gap between stop collar is smaller;Conversely, hydraulic pressure is smaller, sealing Pad deformation is smaller, and the gap between stop collar is bigger, therefore the present invention is under high water pressure condition, can be according to the size of hydraulic pressure The flow of water when voluntarily controlling to adjust high hydraulic pressure.
It, can in several ways, preferably, the limit when present invention controls to adjust the water flow under high water pressure condition The end face of position set towards gasket one end was equipped with water groove, and described cross is equipped with the second limit protrusion in water groove.The present invention It is middle cross water groove can adjust under high water pressure condition, the gap size between gasket and stop collar, water body from cross water groove It flows through, when hydraulic pressure is excessively high, the second limit protrusion equally plays the role of supporting gasket.
Above two controls to adjust the mode of the water flow under high water pressure condition, can individually be arranged, can also group Be arranged altogether, by two ways combine setting when, can not only play effectively anti-overshoot-effects, and high hydraulic pressure shape Flow under state is more stablized.Preferably, first limit protrusion and the second limit protrusion arranged for interval.
There are many connection types in the present invention between resetting spring and gasket, preferably, on the inside of the upper shell Top is equipped with multiple guide posts extended towards diversion rod side, the end face of one end of the resetting spring and separate diversion rod one end It is fixedly connected, the other end is fixedly connected with the guide columns.Resetting spring can be made to drive gasket towards water inlet by this kind of mode It is moved at channel, it can be ensured that the direction of motion of gasket.
In the present invention between gasket and diversion rod there are many connection types, for the ease of installation and removal, preferably, The cross section of the diversion rod interconnecting piece is T-shaped, and the gasket is equipped with the T-type locating slot being engaged by clamping with interconnecting piece.
There are many connection types in the present invention between stop collar and upper shell, preferably, the stop collar and upper casing It is fixedly connected by keyway mechanism between internal circumferential surface, the positioning convex platform extends in the centre bore of stop collar.
There are many connection types in the present invention between stop collar and upper shell inner peripheral surface, for the ease of installation, as excellent Choosing, the keyway mechanism are made of the groove on stop collar peripheral surface and the convex key on upper shell inner peripheral surface.
Compared with prior art, beneficial effects of the present invention are embodied in:
Gasket of the present invention controls uninterrupted with that can play control gap under stop collar mating reaction and plays Overshoot effect, gasket is prevented to be covered at positioning convex platform port, can be effectively prevented under the driving effect of resetting spring The effect of water body reflux is effectively prevented from reflux water body and is polluted to water body.The configuration of the present invention is simple, and adjusted with automatic Amount of restriction prevents overshoot effect and prevents the multi-functionals such as siphonic effect.Application range of the present invention is wider, can be applied to more The water body control of kind equipment, and the present invention can be used in combination with invention, can also be separately installed, for controlling waterpower.
Description of the drawings
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the enlarged structure schematic diagram at A in Fig. 1.
Fig. 3 is the structural schematic diagram of gasket in the present invention.
Fig. 4 is the structural schematic diagram of diversion rod in the present invention.
Fig. 5 is the structural schematic diagram of stop collar in the present invention.
Specific implementation mode
The present invention is described further below in conjunction with the accompanying drawings.
As shown in Figure 1, the present invention includes shell, shell includes upper shell 1 and lower housing 2, and lower housing 2 is equipped with socket Socket section 21 inside upper shell 1, lower housing 2 are equipped with water inlet, and upper shell 1 is equipped with water outlet 11, is socketed in section 21 Equipped with the intake tunnel 22 being connected with water inlet.
As shown in Figure 1, being equipped with anti-return water mechanism in inventive shell, Zhong Fang return water of the present invention mechanism includes:Setting is covering Connect the gasket 3 between section 21 and upper shell 1;The resetting spring 5 being connected between gasket 3 and upper shell 1.Wherein gasket 3 cover the anti-backed-up water level being located on 21 end face of socket section with being driven by resetting spring 5, and are driven by flow in intake tunnel And cross water level with what socket section end face detached.In order to improve the sealing effect between socket section 21 and upper shell 1, present invention socket Section 21 carries positioning convex platform 211 towards one end of upper shell 1, and gap is formed between 1 inner wall of positioning convex platform 211 and upper shell, should Sealing ring 7 is equipped in gap, 3 removable cover of gasket is set at the port of the positioning convex platform 211.
Gasket 3 in the present invention may be used to be made with certain elastically-deformable material, when water body from lower housing into The mouth of a river enters intake tunnel 22, and when hydraulic pressure is more than the elastic force of resetting spring 5, resetting spring 5 is compressed, and will make gasket 3 In the water level of crossing detached with 21 end face of socket section, therefore water body can be in the gap between socket section 21 from gasket 3 It is interior to enter in upper shell 1, finally it is discharged via the water outlet 11 of upper shell 1.When in shell pressure reduce or other reasons When the water at upper shell water outlet 11 being caused to flow back, water body will be back to from water outlet 11 in upper shell 1, in the water of reflux water body Pressure act on and the driving of resetting spring 5 under, gasket 3 by resetting spring 5 drive and cover be located at it is anti-on socket section 21 end face Backed-up water level so that cannot be introduced into lower housing 2 into the reflux water body in upper shell 1, to be effectively prevented water body reflux Phenomenon occurs.
As shown in Figure 1, there are many connection types in the present invention between resetting spring 5 and gasket 3, in upper shell 1 Side roof part is equipped with multiple guide posts 12 extended towards 4 side of diversion rod, one end of resetting spring 5 and separate 4 one end of diversion rod End face is fixedly connected, and the other end is fixedly connected with guide post 12.Resetting spring 5 can be made to drive gasket 3 by this kind of mode It is moved at towards intake tunnel 22, it can be ensured that the direction of motion of gasket 3.
It is same as shown in Figure 1 and Figure 4, in order to enable water body alignment gasket flows, it is equipped in intake tunnel 22 of the present invention Diversion rod 4 for making the alignment socket section 21 of gasket 3, diversion rod 4 includes the diversion division 41 being slidably matched with intake tunnel 22 And the interconnecting piece 42 being fixedly connected with gasket 3, the axial direction of diversion division 41 offer it is multiple for water body by diversion trench 411.When water body is from the water inlet of 2 intake tunnel 21 of lower housing into fashionable, water body will be flowed along the diversion trench 411 on diversion rod 4 It is dynamic.
Hydraulic pressure increases suddenly in order to prevent occurs overshoot phenomenon, and anti-punch mechanism excessively is additionally provided in inventive shell.Such as Fig. 1 and Shown in Fig. 3, the anti-punch mechanism of crossing of the present invention includes the stop collar 6 being fixedly connected in upper shell 1, and resetting spring 5 is in the limit In the centre bore of set 6, locating part is equipped between gasket 3 and stop collar 6.Locating part includes the limit being arranged in 3 periphery of gasket Position ring 31,31 activity of spacing ring are resisted against stop collar 6 towards on the end face of 3 one end of gasket.The present invention is in low hydraulic pressure state When, the space between spacing ring 31 and stop collar 6 is larger so that and the discharge area between spacing ring 31 and stop collar 6 becomes larger, because And more water can be made to pass through stop collar 6.When entering, the hydraulic pressure in shell is excessive, when being in high water pressure condition, resetting spring 5 Compressive deformation increase, the gap between 211 port of spacing ring 31 and positioning convex platform increases, and spacing ring 31 is abutted with stop collar 6 Cooperation so that gasket 3 can not continue to move under the action of hydraulic pressure so that gasket 3 and 211 port of positioning convex platform it Between keep rational gap, control the water flow under high pressure conditions.
As shown in figure 5, stop collar 6 of the present invention is sealingly mounted in upper shell 1, offered on the stop collar 6 and water outlet 11 flow-guiding mouths 62 being connected.Stop collar 6 is seal-installed in upper shell 1 so that water body can only flow through in stop collar 6, and It could enter at water outlet 11 via the flow-guiding mouth 62 being connected with water outlet 11, even if proper hydraulic pressure is excessive or unexpected increase When, only coming into the part water of enclosure interior could be discharged from water outlet 11, to avoid being arranged from shell water outlet 11 Go out a large amount of water body and causes too urgent punch damage equipment to equipment.
As shown in figure 5, in the present invention stop collar 6 towards 3 one end of gasket end face be equipped with for make stop collar 6 with it is close The first limit protrusion 63 of water space was formed between packing 3.When high water pressure condition, the water body pressure that gasket 3 is subject to is long-range In the elastic force of resetting spring 5, resetting spring 5 is compressed, and spacing ring 31 is close to the first limit protrusion 63 on stop collar 6, and first Limit protrusion 63 plays the role of supporting gasket 3.Hydraulic pressure is bigger, gasket 3 deformation it is bigger, between stop collar 6 between Gap is smaller;Conversely, hydraulic pressure is smaller, gasket 3 deforms smaller, and the gap between stop collar 6 is bigger, therefore the present invention is in Gao Shui Under pressure condition, the flow of water when can voluntarily control to adjust high hydraulic pressure according to the size of hydraulic pressure.
, can be also shown in FIG. 5 in several ways when the present invention controls to adjust the water flow under high water pressure condition, The end face of stop collar 6 towards 3 one end of gasket was equipped with water groove 64 in the present invention, crosses in water groove 64 and is equipped with the second limit Protrusion 65.Water groove 64 is crossed in the present invention can be adjusted under high water pressure condition, the gap size between gasket 3 and stop collar 6, Water body flows through from crossing water groove 64, and when hydraulic pressure is excessively high, the second limit protrusion 65 equally plays the role of supporting gasket.
Above two controls to adjust the mode of the water flow under high water pressure condition, can individually be arranged, can also group Be arranged altogether, by two ways combine setting when, can not only play effectively anti-overshoot-effects, and high hydraulic pressure shape Flow under state is more stablized, under normal circumstances, 65 arranged for interval of the first limit protrusion 63 and the second limit protrusion in the present invention.
In the present invention between gasket 3 and diversion rod 4 there are many connection types, for the ease of installation and removal, such as Fig. 1 and Shown in Fig. 3, the cross section of 4 interconnecting piece of diversion rod is T-shaped in the present embodiment, and gasket 3 is equipped with to be engaged by clamping with interconnecting piece 42 T-type locating slot 32.
There are many connection types in the present invention between stop collar 6 and upper shell 1, as shown in figure 5, stop collar in the present invention It is fixedly connected by keyway mechanism between 6 and 1 inner peripheral surface of upper shell, positioning convex platform 211 extends in the centre bore of stop collar 6. For the ease of installation, in the present embodiment keyway mechanism by 6 peripheral surface of stop collar groove 61 and in upper shell 1 Convex key (being not drawn into figure) composition on circumferential surface.
The above makes the preferred embodiment of the present invention, does not depart from this hair for those of ordinary skill in the art Under the premise of bright principle, several variations and modifications can also be made, these also should be regarded as protection scope of the present invention.

Claims (5)

1. a kind of Waterpower control device, including shell, which is characterized in that the shell includes upper shell and lower housing, described Lower housing is equipped with the socket section being socketed on inside upper shell, and the lower housing is equipped with water inlet, and the upper shell is equipped with Water outlet, the socket section is interior to be equipped with the intake tunnel being connected with water inlet, and anti-return water mechanism is equipped in the shell, described anti- Return water mechanism includes:
Gasket between socket section and upper shell is set;
The resetting spring being connected between gasket and upper shell;
The gasket, which has, to be driven by resetting spring and covers the anti-backed-up water level being located on the socket section end face, and is intake In-channel water stream drives and what is detached with socket section end face crosses water level,
Anti- punch mechanism excessively is additionally provided in the shell, the anti-punch mechanism of crossing includes the stop collar being fixedly connected in upper shell, The resetting spring is in the centre bore of the stop collar, and locating part is equipped between the gasket and stop collar;The limit Set is sealingly mounted in upper shell, and the flow-guiding mouth being connected with the water outlet is offered on the stop collar;The stop collar court It is equipped with the first limit protrusion for making to form water space between stop collar and gasket, institute to the end face of gasket one end The end face for stating stop collar towards gasket one end was equipped with water groove, and described cross is equipped with the second limit protrusion in water groove.
2. Waterpower control device as described in claim 1, which is characterized in that be equipped in the intake tunnel for making gasket The diversion rod of alignment socket section, the diversion rod include the diversion division being slidably matched with intake tunnel and fix company with gasket The interconnecting piece connect, the axial direction of the diversion division offer it is multiple for water body by diversion trench.
3. Waterpower control device as described in claim 1, which is characterized in that one end of socket section towards the upper shell carries Positioning convex platform forms gap between the positioning convex platform and upper enclosure inner wall, and sealing ring is equipped in the gap, and the gasket is lived It is dynamic to be covered at the port of the positioning convex platform.
4. Waterpower control device as described in claim 1, which is characterized in that the locating part includes being arranged in the gasket The spacing ring of periphery, the spacing ring activity are resisted against stop collar towards on the end face of gasket one end.
5. Waterpower control device as claimed in claim 2, which is characterized in that the upper shell inside top is equipped with multiple directions The guide post that diversion rod side extends, one end of the resetting spring are fixedly connected with the end face far from diversion rod one end, the other end It is fixedly connected with the guide columns.
CN201610602614.6A 2016-07-25 2016-07-25 A kind of Waterpower control device Active CN106015715B (en)

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Application Number Priority Date Filing Date Title
CN201610602614.6A CN106015715B (en) 2016-07-25 2016-07-25 A kind of Waterpower control device

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Application Number Priority Date Filing Date Title
CN201610602614.6A CN106015715B (en) 2016-07-25 2016-07-25 A kind of Waterpower control device

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CN106015715A CN106015715A (en) 2016-10-12
CN106015715B true CN106015715B (en) 2018-07-17

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109442070B (en) * 2018-12-12 2023-12-05 珠海爱迪生智能家居股份有限公司 Pressure limiting valve capable of adjusting pressure

Citations (8)

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Publication number Priority date Publication date Assignee Title
CN2427692Y (en) * 2000-05-27 2001-04-25 乐山市长江仪表厂 Piston damping guiding type safety valve
CN1563766A (en) * 2004-03-26 2005-01-12 陈忠 Relief, slowly flowing and water saving valve
CN201202859Y (en) * 2008-05-08 2009-03-04 王元清 Main valve seal structure of high pressure leading safety valve
WO2012094786A1 (en) * 2011-01-12 2012-07-19 白玉铭 Energy-saving faucet
CN202733087U (en) * 2012-08-22 2013-02-13 金坛华诚电子有限公司 Spring safety valve
CN203131135U (en) * 2013-03-04 2013-08-14 福建海鹏经贸有限公司 Pressure-limiting valve
CN204985891U (en) * 2015-10-09 2016-01-20 宁波市鄞州液压机械有限公司 Physiosis formula relief valve for life saving equipment
CN205806649U (en) * 2016-07-25 2016-12-14 金华市宏昌电器有限公司 A kind of Waterpower control device

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202884121U (en) * 2012-08-24 2013-04-17 成霖企业股份有限公司 Change-over valve

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2427692Y (en) * 2000-05-27 2001-04-25 乐山市长江仪表厂 Piston damping guiding type safety valve
CN1563766A (en) * 2004-03-26 2005-01-12 陈忠 Relief, slowly flowing and water saving valve
CN201202859Y (en) * 2008-05-08 2009-03-04 王元清 Main valve seal structure of high pressure leading safety valve
WO2012094786A1 (en) * 2011-01-12 2012-07-19 白玉铭 Energy-saving faucet
CN202733087U (en) * 2012-08-22 2013-02-13 金坛华诚电子有限公司 Spring safety valve
CN203131135U (en) * 2013-03-04 2013-08-14 福建海鹏经贸有限公司 Pressure-limiting valve
CN204985891U (en) * 2015-10-09 2016-01-20 宁波市鄞州液压机械有限公司 Physiosis formula relief valve for life saving equipment
CN205806649U (en) * 2016-07-25 2016-12-14 金华市宏昌电器有限公司 A kind of Waterpower control device

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Denomination of invention: Hydraulic control device

Effective date of registration: 20181227

Granted publication date: 20180717

Pledgee: Agricultural Bank of China Limited by Share Ltd. Jinhua Economic Development Zone Branch

Pledgor: JINHUA HONGCHANG ELECTRICAL EQUIPMENT Co.,Ltd.

Registration number: 2018330000530

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Address after: 321000 No. 788 Xinhong Road, Qiubin Street, Wucheng District, Jinhua City, Zhejiang Province

Patentee after: JINHUA HONGCHANG ELECTRLCAL EQUIPMENT Co.,Ltd.

Address before: 321017 No. 161 Binhong West Road, Wucheng District, Jinhua City, Zhejiang Province

Patentee before: JINHUA HONGCHANG ELECTRICAL EQUIPMENT Co.,Ltd.

PC01 Cancellation of the registration of the contract for pledge of patent right
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Date of cancellation: 20191217

Granted publication date: 20180717

Pledgee: Agricultural Bank of China Limited by Share Ltd. Jinhua Economic Development Zone Branch

Pledgor: JINHUA HONGCHANG ELECTRICAL EQUIPMENT Co.,Ltd.

Registration number: 2018330000530

PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of invention: A hydraulic control device

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