CN101461988A - Multifunctional balancing application valve - Google Patents

Multifunctional balancing application valve Download PDF

Info

Publication number
CN101461988A
CN101461988A CNA2008102042408A CN200810204240A CN101461988A CN 101461988 A CN101461988 A CN 101461988A CN A2008102042408 A CNA2008102042408 A CN A2008102042408A CN 200810204240 A CN200810204240 A CN 200810204240A CN 101461988 A CN101461988 A CN 101461988A
Authority
CN
China
Prior art keywords
valve
joint
reversing
valve body
moving spring
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.)
Granted
Application number
CNA2008102042408A
Other languages
Chinese (zh)
Other versions
CN101461988B (en
Inventor
张兆宪
邵红林
李业福
张�杰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Jindun Fire-fighting Security Technology Co., Ltd.
Original Assignee
SHANGHAI JINDUN SPECIAL VEHICLE CO Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by SHANGHAI JINDUN SPECIAL VEHICLE CO Ltd filed Critical SHANGHAI JINDUN SPECIAL VEHICLE CO Ltd
Priority to CN2008102042408A priority Critical patent/CN101461988B/en
Publication of CN101461988A publication Critical patent/CN101461988A/en
Application granted granted Critical
Publication of CN101461988B publication Critical patent/CN101461988B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Fluid-Driven Valves (AREA)

Abstract

The invention relates to a multifunctional balance control valve, which comprises a main valve body and a reversing valve body, a main valve core, a reversing valve core, a sealing component, and the like. The novel valve simultaneously has the functions of balancing the differential pressure and controlling opening and closing by guiding a pressure medium through a control pipe. The multifunctional balance control valve has the advantages of successfully and organically combining valves with two functions into the novel multifunctional balance control valve, greatly saving the space, realizing local integration of a system and economization of the whole system, having good technological economy, and meeting the requirements of foam spray control valve banks special for tunnels.

Description

A kind of multifunctional balancing application valve
Technical field
The present invention relates to a kind of multifunctional balancing application valve, be applicable to tunnel special-purpose foam spray control valve group.
Background technology
At present, known tunnel special-purpose foam spray control valve group is made up of drench valve and proportioner, considers that fire water inlet pressure and foam dope inlet pressure there are differences, and regulate pressure gap with balanced valve, guarantee mixing ratio, and open and close with magnetic valve or hydraulic control valve control foam dope.Because the defective of magnetic valve self is substituted by hydraulic control valve gradually.A this balanced valve one hydraulic control valve pattern, special-purpose foam spray control valve group takes up space greatly the control piper complexity in the tunnel.
Summary of the invention
Technical problem to be solved by this invention is in order to adapt to the very high request of this special occasions of tunnel to the space, save the space of tunnel special-purpose foam spray control valve group, hydraulic control valve and balanced valve are organically combined, and a kind of multifunctional balancing application valve is provided.This multifunctional balancing application valve uses when hydraulic control valve at ordinary times, and the control foam dope flows; Exercise the balanced valve function during work, regulate pressure reduction, guarantee fixedly mixing ratio.Thereby saved the space of tunnel special-purpose foam spray control valve group greatly, accorded with the demands of the market, met the technical performance that industry standard and national standard require, reduced the Technological Economy cost.
Technical problem to be solved by this invention can be achieved through the following technical solutions:
A kind of multifunctional balancing application valve comprises:
A valve body that is connected with the import and export pipeline of foam medium;
Spiral shell is located at the valve gap on the described valve body;
One is connected with described valve body, is used for the cavity between described valve body and the valve gap is divided into the diaphragm of two control chambers up and down;
One is installed in the valve seat in the described valve body, and described valve seat is provided with in order to link up the runner hole of the foam medium in-out end on the described valve body;
One is installed on interior seal receptacle in the described valve seat by first back-moving spring, and seal receptacle was not having under the foam medium pressure state to close runner hole on the described valve seat with the black box acting in conjunction in described first back-moving spring made;
One slide arrangement is in described valve seat, in order to cooperate the black box of closing multifunctional balancing application valve with described interior seal receptacle;
One slide arrangement is used to open and close the main valve plug of multifunctional balancing application valve in described valve seat, the upper end of described main valve plug is connected with described diaphragm, and the lower end is connected with described black box;
One is installed on the described valve body, first joint that described down control chamber is communicated with the control piper of drench valve;
One is installed on the threaded mandrel that is used for hand-reset, manual exhaust on the valve gap
One is installed on the reversal valve on the described valve gap; This reversal valve comprises:
Be installed on change valve and short circuit head on the described valve gap;
In order to connecting the adapter sleeve of change valve and short circuit head, this adapter sleeve be provided with connect described on the valve opening of control chamber;
Be fixed in the commutation end cap of the change valve other end;
Be fixedly mounted on second joint on the short circuit head, this second joint is communicated with entrance point on the described valve body by pipeline and by described valve opening and the perforation of last control chamber;
Be fixedly mounted on the 3rd joint on the change valve, the 3rd joint is communicated with the port of export on the described valve body by pipeline and by described valve opening and the perforation of last control chamber;
Be fixedly mounted on the 4th joint on the described commutation end cap, the 4th joint is communicated with the control piper of described drench valve by pipeline;
Be arranged on reversing piston, reversing valve core and second back-moving spring in described change valve, adapter sleeve and the short circuit head, reversing valve core is between the reversing piston and second back-moving spring, and second back-moving spring is between the reversing valve core and second joint, described reversing valve core is used for multifunctional balancing application valve closes and the equilibrium function switching, and second back-moving spring makes reversing valve core not have to reset to closed condition under the pressure medium state.
Described valve seat also comprises a guide pin bushing that makes black box and main valve plug easy motion, and described black box and main valve plug are arranged in the guide pin bushing, and guide pin bushing is provided with in order to link up the runner hole of the foam medium in-out end on the described valve body.
In general, balanced valve is used for equalizing pressure formula foam proportioning unit, according to the pressure variation of water and foam, regulates pressure reduction automatically, and keeps constant, guarantees the accurately constant of mixing ratio; Hydraulic control valve is used for waterpower control, the keying of control piper liquid according to actual needs.The present invention is the valve that is applied in different occasions with two kinds, organically is combined into a kind of novel valve with above-mentioned two kinds of functions.
Operation principle of the present invention is: the foam pipe network multifunctional balancing application valve of packing into, manual adjustments threaded mandrel at first, promote main valve plug and drive black box to move downward, black box is closed runner hole on the described valve seat with interior seal receptacle acting in conjunction, this is that first back-moving spring is in compressive state, makes sealing effectiveness better.Simultaneously reversing valve core under the effect of second back-moving spring to left movement, the foam medium that is in the blocking-up multifunctional balancing application valve port of export flows to the position of the last control chamber of diaphragm top, and the medium of multifunctional balancing application valve entrance point flows in the last control chamber of diaphragm top by the valve opening on pipeline, second joint and the adapter sleeve.This moment, multifunctional balancing application valve was exercised the hydraulic control valve function.
When drench valve moves in the tunnel special-purpose foam spray control valve group, with have press water to flow through in the control piper that drench valve outlet is connected, first joint of leading up to flows in the following control chamber of diaphragm below, offset the pressure of control chamber inner foam on the diaphragm, main valve plug bears the pressure of foam, moves up gradually, drives on the black box and moves, runner hole on the valve seat is unlocked, and multifunctional balancing application valve is opened; One road press water flows in the change valve by the 4th joint on the commutation end cap simultaneously, the promotion reversing piston moves right, the reversing piston that moves right promotes resistance that reversing valve core overcomes second back-moving spring and moves to right to the foam medium of blocking-up multifunctional balancing application valve entrance point and pass through pipeline, valve opening on second joint and the adapter sleeve flows to the interior position of last control chamber of diaphragm top, the foam medium of the multifunctional balancing application valve port of export then passes through pipeline, valve opening on the 3rd joint and the adapter sleeve flows in the last control chamber of diaphragm top, and multifunctional balancing application valve is exercised the pressure balance function.
The effect of patent of the present invention is successfully the valve of two kinds of functions organically to be combined into a kind of Multifunction balance control valve.
Description of drawings
Further specify the present invention below in conjunction with the drawings and specific embodiments.
Fig. 1 is the view that multifunctional balancing application valve of the present invention is exercised control valve.
Fig. 2 is Fig. 1 (reversing valve core is in the position of the MEDIA FLOW of the blocking-up multifunctional balancing application valve port of export to the diaphragm epicoele) B-B cut-away view.
Fig. 3 is the view that multifunctional balancing application valve of the present invention is exercised balanced valve.
Fig. 4 is Fig. 3 (reversing valve core is in the position of the MEDIA FLOW of blocking-up multifunctional balancing application valve entrance point to the diaphragm epicoele) B-B cut-away view.
Among the figure: 1, valve body, 2, valve seat, 3, black box, 4, guide pin bushing, 5, main valve plug, 6, diaphragm, 7, valve gap, 8, threaded mandrel, 9, first joint, 10, interior seal receptacle, 11, first back-moving spring, 12, second back-moving spring, 13, adapter sleeve, 14, reversing valve core, 15 reversing pistons, 16, the commutation end cap, 17 change valves, 18, short circuit head, 19, bolt, 20, entrance point, 21, the port of export, 22, last control chamber, 23, following control chamber, 24, the runner hole, 25, interior seal receptacle mount pad, 26, connection strap, 27, nut, 28, clamping plate, 29, nut, 30, valve opening, 31, the 4th joint, 32, second joint, 33, the 3rd joint
The specific embodiment
For technological means, character of innovation that the present invention is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the present invention.
Accompanying drawing 1 to shown in Figure 4 be a kind of embodiment of the present invention, the multifunctional balancing application valve shown in the accompanying drawing comprises a valve body 1 and a valve gap 7, valve gap 7 is fixedly mounted on the top of valve body 1 by bolt 19, has a cavity between valve body 1 and the valve gap 7.Sidepiece at valve body 1 is provided with entrance point 20, and the bottom is provided with the port of export 21, and entrance point 20 is connected with the inlet pipeline of foam medium, and the port of export 21 is connected with the outlet conduit of foam medium.
Be provided with a diaphragm 6 in the cavity between valve body 1 and valve gap 7, the edge clamping of diaphragm 6 is between valve body 1 and valve gap 7, and diaphragm 6 is divided into control chamber 22 and following control chamber 23 with the cavity between valve body 1 and the valve gap 7.
One valve seat 2 is installed in valve body 1, and the top of valve seat 2 has a guide pin bushing 4, and the effect of guide pin bushing 4 makes black box 3 and main valve plug 5 easy motions.Valve seat 2 and guide pin bushing 4 are hollow shape, have runner hole 24 on the jacket wall of guide pin bushing 4, and the effect in runner hole 24 is when multifunctional balancing application valve is exercised the pressure balance function, and foam medium is imported the port of export 21 by entrance point 20.Also be provided with seal receptacle mount pad 25 in the valve seat 2, interior seal receptacle mount pad 25 is connected with the inwall of valve seat 2 by some connection straps 26, and interior seal receptacle 10 is installed on the interior seal receptacle mount pad 25 by first back-moving spring 11 and nut 27 floating grounds.Seal receptacle 10 was in the runner hole 24 that does not have to close with black box 3 actings in conjunction under the pressure medium state guide pin bushing 4 in first back-moving spring 11 made.
The main valve plug 5 of one slide arrangement on valve seat 2, main valve plug 5 is used to open and close multifunctional balancing application valve, main valve plug 5 bottoms stretch in the guide pin bushing 4, are connected with the black box 3 of slide arrangement in guide pin bushing 4, and the effect of black box 3 is closed multifunctional balancing application valve in order to cooperate with interior seal receptacle 10.Main valve plug 5 tops extend in the cavity between valve body 1 and the valve gap 7, and are connected by two clamping plates 28 and nut 29 between the diaphragm 6, move with diaphragm 6.
In the in addition side of valve body 1 first joint, 9, the first joints 9 are installed and will descend control chamber 23 to be communicated with the control piper of drench valve, the control piper press water of drench valve first joint 9 thus enters down in the control chamber 23.
At valve gap 7 threaded mandrel 8 is installed, when threaded mandrel 8 rotations are risen or descended, can be used for hand-reset, manually exhaust.
One reversal valve also is installed on valve gap 7; This reversal valve comprises change valve 17 and short circuit head 18, and change valve 17 and short circuit head 18 are installed on the valve gap 7, connects by adapter sleeve 13 between the two, and this adapter sleeve 13 is provided with the valve opening 30 of control chamber 22 in the perforation; Be rotary with a commutation end cap 16 at change valve 17 other ends, be installed with the 4th joint 31, the four joints 31 at commutation end cap 16 and be communicated with the control piper of drench valve by pipeline.Be communicated with entrance point 20 on the valve body 1 by pipeline and connect being installed with second joint, 32, the second joints 32 on the short circuit head 18 by valve opening 30 and last control chamber 22; Be communicated with the port of export 21 on the valve body 1 by pipeline and connect in that the 3rd joint 33, the three joints 33 are installed on the change valve 17 by valve opening 30 and last control chamber 22.
Reversing piston 15 in change valve 17, adapter sleeve 13 and short circuit head 12, reversing valve core 14 and second back-moving spring 12, reversing valve core 14 is between the reversing piston 15 and second back-moving spring 12, and second back-moving spring 12 is between the reversing valve core 14 and second joint 32, reversing valve core 14 is used for multifunctional balancing application valve closes and the equilibrium function switching, and second back-moving spring 12 makes reversing valve core 14 not have to reset to closed condition under the pressure medium state.
Referring to Fig. 1 and Fig. 2, the foam pipe network multifunctional balancing application valve of packing into, at first manual adjustments threaded mandrel 8 is to bottom, promote main valve plug 5 and drive black box 3 to move downward, black box 3 is closed runner hole 24 on the guide pin bushing 4 with interior seal receptacle 10 actings in conjunction, this is that first back-moving spring 11 is in compressive state, makes sealing effectiveness better.Be full of the pressure foam medium gradually in the entrance point 20 of valve body 1 at this moment, at this moment reversing valve core 14 under the effect of second back-moving spring 12 to left movement, the foam medium that is in the blocking-up multifunctional balancing application valve port of export flows to the position of the last control chamber 22 of diaphragm 6 tops, and the pressure foam medium in the entrance point 20 flows in the last control chamber 22 of diaphragm 6 tops by the valve opening 30 on pipeline, second joint 32 and the adapter sleeve 13.When foam medium was full of the last control chamber 22 of diaphragm 6 tops, the air in the last control chamber 22 were discharged by threaded mandrel 8, and after exhaust finished, manual adjustments threaded mandrel 8 was to sealing topmost, and this moment, multifunctional balancing application valve was exercised the hydraulic control valve function.
When drench valve moves in the tunnel special-purpose foam spray control valve group, with have press water to flow through in the control piper that drench valve outlet is connected, first joint 9 of leading up to flows in the following control chamber 23 of diaphragm 6 belows, offset the pressure of control chamber 22 inner foam media on the diaphragm 6, main valve plug 5 bears the pressure of foam medium, moves up gradually, drives on the black box 3 and moves, runner hole 24 on the guide pin bushing 4 is unlocked, and multifunctional balancing application valve is opened.One road press water flows in the change valve 17 by the 4th joint 31 on the commutation end cap 16 simultaneously, promoting reversing piston 15 moves right, the reversing piston that moves right 15 promotes resistance that reversing valve cores 14 overcome second back-moving spring 12 and moves to right to the foam medium of blocking-up multifunctional balancing application valve entrance point 20 and pass through pipeline, valve opening 30 on second joint 32 and the adapter sleeve 13 flows to the position in the last control chamber 22 of diaphragm 6 tops, the foam medium of the multifunctional balancing application valve port of export 21 then passes through pipeline, valve opening 30 on the 3rd joint 33 and the adapter sleeve 13 flows in the last control chamber 22 of diaphragm 6 tops, and multifunctional balancing application valve is exercised the pressure balance function.
More than show and described basic principle of the present invention and principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; that describes in the foregoing description and the specification just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.

Claims (2)

1, a kind of multifunctional balancing application valve is characterized in that, comprising:
A valve body that is connected with the import and export pipeline of foam medium;
Spiral shell is located at the valve gap on the described valve body;
One is connected with described valve body, is used for the cavity between described valve body and the valve gap is divided into the diaphragm of two control chambers up and down;
One is installed in the valve seat in the described valve body, and described valve seat is provided with in order to link up the runner hole of the foam medium in-out end on the described valve body;
One is installed on interior seal receptacle in the described valve seat by first back-moving spring, and seal receptacle was not having under the foam medium pressure state to close runner hole on the described valve seat with the black box acting in conjunction in described first back-moving spring made;
One slide arrangement is in described valve seat, in order to cooperate the black box of closing multifunctional balancing application valve with described interior seal receptacle;
One slide arrangement is used to open and close the main valve plug of multifunctional balancing application valve in described valve seat, the upper end of described main valve plug is connected with described diaphragm, and the lower end is connected with described black box;
One is installed on the described valve body, first joint that described down control chamber is communicated with the control piper of drench valve;
One is installed on the threaded mandrel that is used for hand-reset, manual exhaust on the valve gap
One is installed on the reversal valve on the described valve gap; This reversal valve comprises:
Be installed on change valve and short circuit head on the described valve gap;
In order to connecting the adapter sleeve of change valve and short circuit head, this adapter sleeve be provided with connect described on the valve opening of control chamber;
Be fixed in the commutation end cap of the change valve other end;
Be fixedly mounted on second joint on the short circuit head, this second joint is communicated with entrance point on the described valve body by pipeline and by described valve opening and the perforation of last control chamber;
Be fixedly mounted on the 3rd joint on the change valve, the 3rd joint is communicated with the port of export on the described valve body by pipeline and by described valve opening and the perforation of last control chamber;
Be fixedly mounted on the 4th joint on the described commutation end cap, the 4th joint is communicated with the control piper of described drench valve by pipeline;
Be arranged on reversing piston, reversing valve core and second back-moving spring in described change valve, adapter sleeve and the short circuit head, reversing valve core is between the reversing piston and second back-moving spring, and second back-moving spring is between the reversing valve core and second joint, described reversing valve core is used for multifunctional balancing application valve closes and the equilibrium function switching, and second back-moving spring makes reversing valve core not have to reset to closed condition under the pressure medium state.
2. a kind of multifunctional balancing application valve according to claim 1, it is characterized in that, described valve seat also comprises a guide pin bushing that makes black box and main valve plug easy motion, described black box and main valve plug are arranged in the guide pin bushing, and guide pin bushing is provided with in order to link up the runner hole of the foam medium in-out end on the described valve body.
CN2008102042408A 2008-12-09 2008-12-09 Multifunctional balancing control valve Active CN101461988B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2008102042408A CN101461988B (en) 2008-12-09 2008-12-09 Multifunctional balancing control valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2008102042408A CN101461988B (en) 2008-12-09 2008-12-09 Multifunctional balancing control valve

Publications (2)

Publication Number Publication Date
CN101461988A true CN101461988A (en) 2009-06-24
CN101461988B CN101461988B (en) 2011-09-28

Family

ID=40802921

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2008102042408A Active CN101461988B (en) 2008-12-09 2008-12-09 Multifunctional balancing control valve

Country Status (1)

Country Link
CN (1) CN101461988B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105387244A (en) * 2015-12-10 2016-03-09 西安航天动力研究所 Mono-coil self-unloading type two-component electromagnetic valve
CN112460269A (en) * 2020-12-09 2021-03-09 广东鹰穗消防科技有限公司 Linear type balance valve
CN114588566A (en) * 2022-01-20 2022-06-07 抚顺华腾防护装备制造有限公司 Positive pressure oxygen respirator pressure differential regulation and control type automatic oxygen supply device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2053698U (en) * 1989-04-14 1990-02-28 向伟生 Multifunction valve with flat outlet
CN2443743Y (en) * 2000-10-10 2001-08-22 上海金盾消防安全设备有限公司 Electromagnetic driver
CN2727509Y (en) * 2003-12-18 2005-09-21 许俊杰 Multifunctional integrative combined solenoid valve
CN201399175Y (en) * 2008-12-09 2010-02-10 上海金盾消防安全设备有限公司 Balance control valve

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105387244A (en) * 2015-12-10 2016-03-09 西安航天动力研究所 Mono-coil self-unloading type two-component electromagnetic valve
CN112460269A (en) * 2020-12-09 2021-03-09 广东鹰穗消防科技有限公司 Linear type balance valve
CN114588566A (en) * 2022-01-20 2022-06-07 抚顺华腾防护装备制造有限公司 Positive pressure oxygen respirator pressure differential regulation and control type automatic oxygen supply device

Also Published As

Publication number Publication date
CN101461988B (en) 2011-09-28

Similar Documents

Publication Publication Date Title
CN101461988B (en) Multifunctional balancing control valve
CN102220863B (en) Valve-controlled automatic confluence hydraulic system for horizontal directional drilling machine
CN201399175Y (en) Balance control valve
CN204739263U (en) Novel washing machine tap
CN206347148U (en) Switch valve element, tap and bidet
CN102748506A (en) Electro-hydraulic pilot control switch valve bank
CN105864136B (en) A kind of valve block structure of magnetic valve double loop hydraulic power station
CN201636375U (en) Air-liquid separation three-way valve
CN203131114U (en) Anti-scalding and constant-temperature faucet
CN202090904U (en) Automatic valve-controlled confluent hydraulic system of horizontal directional drilling machine
CN103075544B (en) Anti-scald constant-temperature faucet
CN202971985U (en) Static quick pressure measuring ball valve
CN205859268U (en) The explosion-proof automatic reducing transformer of running water pipe
CN204050751U (en) Auto-swing fire nozzle
CN208719522U (en) A kind of linkage valve
CN209340552U (en) A kind of triple-valve body pipe for die cast
CN207715829U (en) Two-way valve and automobile oil-way two-way valve
CN202638633U (en) Explosion-proof spherical head
CN212536733U (en) Manual water flow control valve
CN201198750Y (en) Anti-high pressure reverse circulation valve
CN201606505U (en) Multifunctional stop valve
CN206830905U (en) Modified washbasin mixing tap
CN106762989B (en) A kind of orifice valve of the adjustable damping of external
CN205136688U (en) Low resistance backflow preventer
CN208040801U (en) A kind of non-return hydraulic valve that folding is stable

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
ASS Succession or assignment of patent right

Owner name: SHANGHAI JINDUN FIRE-FIGHTING SECURITY EQUIPMENT C

Effective date: 20121217

C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20121217

Address after: 201318 No. 365 Cross Bridge Road, Nanhui District, Shanghai

Patentee after: Shanghai Jindun Special Vehicle Co., Ltd.

Patentee after: Shanghai Jindun Fire-fighting Security Technology Co., Ltd.

Address before: 201318 No. 365 Cross Bridge Road, Nanhui District, Shanghai

Patentee before: Shanghai Jindun Special Vehicle Co., Ltd.

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

Denomination of invention: Multifunctional balancing application valve

Effective date of registration: 20140311

Granted publication date: 20110928

Pledgee: Bank of China Limited by Share Ltd Shanghai Development Zone, Pudong branch

Pledgor: Shanghai Jindun Fire Safety Equipment Co., Ltd.|Shanghai Jindun Fire Safety Technology Co., Ltd.

Registration number: 2014310000011

PLDC Enforcement, change and cancellation of contracts on pledge of patent right or utility model
PC01 Cancellation of the registration of the contract for pledge of patent right

Date of cancellation: 20140504

Granted publication date: 20110928

Pledgee: Bank of China Limited by Share Ltd Shanghai Development Zone, Pudong branch

Pledgor: Shanghai Jindun Fire Safety Equipment Co., Ltd.|Shanghai Jindun Fire Safety Technology Co., Ltd.

Registration number: 2014310000011

PLDC Enforcement, change and cancellation of contracts on pledge of patent right or utility model
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of invention: Multifunctional balancing application valve

Effective date of registration: 20140505

Granted publication date: 20110928

Pledgee: Bank of China Limited by Share Ltd Shanghai Development Zone, Pudong branch

Pledgor: Shanghai Jindun Fire Safety Technology Co., Ltd.| Shanghai Jindun Fire Safety Equipment Co.

Registration number: 2014990000316

PLDC Enforcement, change and cancellation of contracts on pledge of patent right or utility model
PC01 Cancellation of the registration of the contract for pledge of patent right

Date of cancellation: 20141121

Granted publication date: 20110928

Pledgee: Bank of China Limited by Share Ltd Shanghai Development Zone, Pudong branch

Pledgor: Shanghai Jindun Fire Safety Technology Co., Ltd.| Shanghai Jindun Fire Safety Equipment Co.

Registration number: 2014990000316

PLDC Enforcement, change and cancellation of contracts on pledge of patent right or utility model
ASS Succession or assignment of patent right

Free format text: FORMER OWNER: SHANGHAI JINDUN FIRE-FIGHTING SECURITY EQUIPMENT CO., LTD.

Effective date: 20150228

Owner name: SHANGHAI JINDUN FIRE-FIGHTING SECURITY EQUIPMENT C

Free format text: FORMER OWNER: SHANGHAI JINDUN FIRE SAFETY EQUIPMENT CO.,LTD

Effective date: 20150228

C41 Transfer of patent application or patent right or utility model
COR Change of bibliographic data

Free format text: CORRECT: ADDRESS; FROM: 201318 NANHUI, SHANGHAI TO: 201304 PUDONG NEW AREA, SHANGHAI

TR01 Transfer of patent right

Effective date of registration: 20150228

Address after: 201304 Shanghai city Pudong New Area Wansong College Town Road No. 88

Patentee after: Shanghai Jindun Fire-fighting Security Technology Co., Ltd.

Address before: 201318 No. 365 Cross Bridge Road, Nanhui District, Shanghai

Patentee before: Shanghai Jindun Special Vehicle Co., Ltd.

Patentee before: Shanghai Jindun Fire-fighting Security Technology Co., Ltd.