CN208685706U - A kind of no negative pressure pipe network pressurizing current stabilization supply equipment - Google Patents
A kind of no negative pressure pipe network pressurizing current stabilization supply equipment Download PDFInfo
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- CN208685706U CN208685706U CN201821357303.9U CN201821357303U CN208685706U CN 208685706 U CN208685706 U CN 208685706U CN 201821357303 U CN201821357303 U CN 201821357303U CN 208685706 U CN208685706 U CN 208685706U
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- pipe
- water
- supercharging device
- fixedly installed
- current stabilization
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- 230000006641 stabilisation Effects 0.000 title claims abstract description 17
- 238000011105 stabilization Methods 0.000 title claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 87
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 5
- 230000035515 penetration Effects 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims 1
- 238000005086 pumping Methods 0.000 claims 1
- 230000000087 stabilizing effect Effects 0.000 claims 1
- 239000008399 tap water Substances 0.000 abstract description 9
- 235000020679 tap water Nutrition 0.000 abstract description 9
- 230000008859 change Effects 0.000 abstract description 3
- 238000003466 welding Methods 0.000 abstract description 3
- 239000008400 supply water Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002688 persistence Effects 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 206010020852 Hypertonia Diseases 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003020 moisturizing effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Control Of Fluid Pressure (AREA)
Abstract
The utility model discloses a kind of no negative pressure pipe network pressurizing current stabilization supply equipments, including device noumenon, mounting seat, supercharging device and stable-pressure device, the upper surface of mounting seat is fixedly installed with air pressure tank, the lower end surface of air pressure tank is fixedly installed with air pressure tank welding pedestal, and the front of air pressure tank is fixedly connected with supercharging device.This kind is without negative pressure pipe network pressurizing current stabilization supply equipment, pass through setting supercharging device and air pressure tank, supercharging device includes hydraulic pressure detector, seal chamber and variable-frequency governor, seal chamber and the water pipe of two sides are connected together, hydraulic pressure detector and variable-frequency governor are electrically connected, after device noumenon is passed through tap water, hydraulic pressure detector detects the pressure in water pipe, so that variable-frequency governor starts to work, variable-frequency governor rotary speed direction can be changed pressure generated in water pipe while change, if rotating clockwise, the air pressure tank interconnected with supercharging device can be drained outward, to increase the intake pressure of tap water.
Description
Technical field
The utility model relates to supply equipment technical field, specially a kind of no negative pressure pipe network pressurizing current stabilization supply equipment.
Background technique
Constant pressure water supply equipment be it is a kind of be able to maintain the constant of pressure of supply water, make supply water and between water keep balance, mention
The auxiliary device of high quality of water supply is widely used in constant pressure water supply field, and constant pressure water supply refers in different use
When water demand, by adjusting the pressure of supply water of water pump, so that discharge pressure keeps stablizing.
Authorization Notice No. is that the Chinese patent of CN206308744U discloses a kind of city of multi-functional volume control device of band
Political affairs supply equipment, including flow measurement device, PS sensor, control cabinet, outlet and multi-functional volume control device, described is more
Function volume control device and laminating water service system side by side, when water pressure fluctuations, multi-functional volume control device start automatically with
Balancing water pressure, thus regime flow, but existing no negative pressure pipe network supply equipment, during supplying water to tap water,
Supply equipment can not carry out auto-control according to the changing condition of hydraulic pressure, can not stablize so as to cause supply equipment and carry out to user
It supplies water.
Utility model content
In view of the deficiencies of the prior art, the utility model provides a kind of no negative pressure pipe network pressurizing current stabilization supply equipment, solution
It has determined without negative pressure pipe network supply equipment, during supplying water to tap water, supply equipment can not be according to the variation of hydraulic pressure
Situation carries out auto-control, can not stablize so as to cause supply equipment and supply water to user.
Technical solution
To achieve the above objectives, the technical scheme adopted by the utility model is that: a kind of no negative pressure pipe network pressurizing current stabilization supplies water
Equipment, including device noumenon, mounting seat, supercharging device and stable-pressure device, the upper surface of the mounting seat are fixedly installed with
Air pressure tank, the lower end surface of the air pressure tank are fixedly installed with air pressure tank welding pedestal, and the front of the air pressure tank is fixedly connected with
Supercharging device, the supercharging device include seal chamber, variable-frequency governor and hydraulic pressure detector, the lower end surface of the hydraulic pressure detector
It is fixedly connected with drive shaft, the lower end surface of the drive shaft is fixedly connected with variable-frequency governor, and the seal chamber is wrapped in frequency modulation
Fast device, hydraulic pressure detector and drive shaft, the variable-frequency governor and hydraulic pressure detector are electrically connected, the two sides of the supercharging device
It is fixedly connected to water pipe, the water pipe and air pressure tank on the left of supercharging device is interconnected；
The stable-pressure device includes driving motor, air exhauster and connecting tube, and the lower end surface of the driving motor is fixedly mounted
There is air exhauster, connecting tube is fixedly connected on the right side of the air exhauster, the upper surface of the connecting tube is fixedly connected with check valve,
The upper surface of the check valve is fixedly installed with butterfly valve, and user's water-supply-pipe is fixedly connected on the left of the air exhauster.
Preferably, the front of the air pressure tank is fixedly installed with inlet valve, and the front of the inlet valve is fixedly mounted
There is pull rod, the pull rod is vertical setting with inlet valve, and inlet valve is movable structure.
Preferably, the two sidewalls of the mounting seat are fixedly installed with sliding slot, and the length of the sliding slot is equal to installation bottom
The length of seat, and two sliding slots are arranged in parallel.
Preferably, the upper surface of the mounting seat is fixedly mounted there are three bottom penetration pipe, and three bottoms thread
Pipe is in same level, and three bottom penetration pipe equidistantly distributeds.
Preferably, the upper surface of the butterfly valve is fixedly installed with strainer pipe, and the upper surface of the strainer pipe is fixedly connected with
Water tank water-supply-pipe, and strainer pipe is internally provided with filter screen, the water pipe and water tank water-supply-pipe on the right side of supercharging device
It is interconnected.
Preferably, the interface of user's water-supply-pipe and water tank water-supply-pipe is fixedly installed with rubber connector sleeve, described
The cross-sectional area of rubber connector sleeve is equal to twice of user's water-supply-pipe and water tank water-supply-pipe interface cross section product.
Preferably, the upper surface of the check valve is fixedly connected with elastomeric flex connector, and the elastomeric flex connector is in " circle
Shape ".
Preferably, the lower end surface of the supercharging device is fixedly installed with two panels polytetrafluoro gasket, polytetrafluoro pad described in two panels
Piece is symmetricly set on supercharging device.
Beneficial effect
The utility model has the beneficial effects that
1, the utility model, by setting supercharging device and air pressure tank, supercharging device include hydraulic pressure detector, seal chamber and
The water pipe of variable-frequency governor, seal chamber and two sides is connected together, and hydraulic pressure detector and variable-frequency governor are electrically connected, and is filling
It sets ontology to be passed through after tap water, hydraulic pressure detector detects the pressure in water pipe, so that variable-frequency governor starts to carry out
Work, variable-frequency governor rotary speed direction can be changed pressure generated in water pipe while change, if rotating clockwise,
The air pressure tank interconnected with supercharging device can be drained outward, so that the intake pressure of tap water is increased, if pressure mistake
Variable-frequency governor is changed to rotate counterclockwise by height, and water flow is shunted, and a part, which is flowed into air pressure tank, carries out water storage, another
Part flows to the conveying water pipe of user, and the hydraulic pressure in water pipe can also be reduced therewith, to eliminate the generation of negative pressure, realizes pair
The auto-control of hydraulic pressure solves the problems, such as that hydraulic pressure is unstable.
2, the utility model, by the way that stable-pressure device is arranged, stable-pressure device includes driving motor, air exhauster and connecting tube,
After tap water access equipment ontology, after supercharging device is pressurized, tap water flows into stable-pressure device from water tank water-supply-pipe,
Driving motor can start to start, so that air exhauster starts to work, extract out to the air-flow in connecting tube, so that connecting tube
Interior pressure is less than the pressure in water tank water-supply-pipe, enables the entering in connecting tube of water flow Fast Persistence, and flows into steady
After pressure device, check valve can be avoided water flow and generate refluence, so that water flow enters user's water-supply-pipe and conveys to water.
Detailed description of the invention
Fig. 1 is a kind of no negative pressure pipe network pressurizing current stabilization supply equipment structure chart of the utility model；
Fig. 2 is the positive structural schematic diagram of utility model device ontology；
Fig. 3 is the structural schematic diagram of this body side surface of utility model device；
Fig. 4 is the structural schematic diagram of the utility model supercharging device section.
In figure, 1, device noumenon；2, air pressure tank；201, air pressure tank welds pedestal；202, inlet valve；3, mounting seat；
301, sliding slot；302, bottom penetration pipe；4, stable-pressure device；401, driving motor；402, air exhauster；403, connecting tube；404, single
To valve；405, elastomeric flex connector；406, butterfly valve；407, strainer pipe；408, rubber connector sleeve；5, user's water-supply-pipe；6, water tank
Water-supply-pipe；7, supercharging device；701, water pipe；702, hydraulic pressure detector；703, drive shaft；704, variable-frequency governor；705, poly- four
Fluorine gasket；706, seal chamber.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figs 1-4, the utility model provides a kind of technical solution: a kind of no negative pressure pipe network pressurizing current stabilization water supply is set
It is standby, including device noumenon 1, mounting seat 3, supercharging device 7 and stable-pressure device 4, the upper surface of mounting seat 3 be fixedly installed with gas
Tank 2 is pressed, the lower end surface of air pressure tank 2 is fixedly installed with air pressure tank welding pedestal 201, and the front of air pressure tank 2 is fixedly connected with pressurization
Device 7, supercharging device 7 include seal chamber 706, variable-frequency governor 704 and hydraulic pressure detector 702, and seal chamber 706 is wrapped in change
Frequency governor 704, hydraulic pressure detector 702 and drive shaft 703, seal chamber 706 are filled the internal clearance of supercharging device 7,
To close to supercharging device 7, when water flow enters supercharging device 7 and is pressurized, water flow appearance can be avoided
Secondary pollution, to ensure that the quality of water quality, the lower end surface of hydraulic pressure detector 702 is fixedly connected with drive shaft 703, drive shaft
703 lower end surface is fixedly connected with variable-frequency governor 704, and variable-frequency governor 704 and hydraulic pressure detector 702 are electrically connected, certainly
After water is passed through supercharging device 7, hydraulic pressure detector 702 detects hydraulic pressure, if being more than preset value, will start drive shaft
703, drive shaft 703 starts variable-frequency governor 704, and the two sides of supercharging device 7 are fixedly connected to water pipe 701, is located at
The water pipe 701 and air pressure tank 2 in 7 left side of supercharging device are interconnected, when water flow is passed through and is pressurized in supercharging device 7, water pipe
701, which are interconnected, can keep the normal conveying of water flow；
Stable-pressure device 4 includes driving motor 401, air exhauster 402 and connecting tube 403, and the lower end surface of driving motor 401 is solid
Dingan County is equipped with air exhauster 402, and the right side of air exhauster 402 is fixedly connected with connecting tube 403, and connecting tube 403 is vertically set in 90 degree
It sets, in water flow after supercharging device 7 is pressurized, the impact force of water flow can be reduced by being passed through 90 degree of connecting tube 403, from
And reduce the abrasion to connecting tube 403, the upper surface of connecting tube 403 is fixedly connected with check valve 404, check valve 404 it is upper
End face is fixedly installed with butterfly valve 406, and the right side of butterfly valve 406 is fixedly installed with butterfly valve opening and closing element, and butterfly valve opening and closing element is a disk
The butterfly plate of shape rotates in valve body around the axis of its own, thus achieve the purpose that opening and closing or adjusting, the left side of air exhauster 402
It is fixedly connected with user's water-supply-pipe 5.
Preferably, the front of air pressure tank 2 is fixedly installed with inlet valve 202, and the front of inlet valve 202 is fixedly installed with
Pull rod, pull rod are vertical setting with inlet valve 202, and inlet valve 202 is movable structure, by inlet valve 202, with
The inlet valve 202 of water inlet pipe connection, during air pressure tank 2 is pressurized water pipe, staff can open water inlet
Valve 202, to realize the real-time moisturizing to air pressure tank 2, the two sidewalls of mounting seat 3 are fixedly installed with sliding slot 301, sliding
The length of slot 301 is equal to the length of mounting seat 3, and two sliding slots 301 are arranged in parallel, by sliding slot 301, to device noumenon
During 1 carries out movement, by installing sliding block in sliding slot 301, the overall movement to device noumenon 1 may be implemented, improve
The convenience of device noumenon 1, the upper surface of mounting seat 3 are fixedly mounted that there are three bottom penetration pipe 302, three bottoms threading
Pipe 302 is in same level, and three 302 equidistantly distributeds of bottom penetration pipe, and by bottom penetration pipe 302, work people
Conducting wire can be mounted on bottom penetration pipe 302 by member, so that conducting wire is far from ground, avoiding conducting wire dampness influences corresponding construction
Normal use, the upper surface of butterfly valve 406 is fixedly installed with strainer pipe 407, and the upper surface of strainer pipe 407 is fixedly connected with water tank
Water-supply-pipe 6, and strainer pipe 407 is internally provided with filter screen, and filter screen respectively with the upper end opening of strainer pipe 407 and under
End opening is concordantly arranged, by strainer pipe 407, after supercharging device 7 is pressurized water flow before being passed through stable-pressure device 4,
Strainer pipe 407 can be first passed through to be filtered, so that the secondary filter to water flow is realized, user's water-supply-pipe 5 and water tank water-supply-pipe 6
Interface be fixedly installed with rubber connector sleeve 408, the water pipe 701 and water tank water-supply-pipe 6 on right side are interconnected, rubber connection
The cross-sectional area of set 408 is equal to twice of the interface cross section product of user's water-supply-pipe 5 and water tank water-supply-pipe 6, is connected by rubber
Set 408, in the connection procedure of water-supply-pipe, rubber connector sleeve 408 is fixed on interface, can increase after connecting between water-supply-pipe
Leakproofness, avoid water flow occur leakage, the upper surface of check valve 404 is fixedly connected with elastomeric flex connector 405, rubber
Glue flexible coupling 405 is in " circle ".Pass through elastomeric flex connector 405, during stable-pressure device 4 carries out use, connecting tube
403 pass through 405 flanged joint of elastomeric flex connector with butterfly valve 406, are able to carry out disassembly convenient for staff, are periodically examined
It repairs, the lower end surface of supercharging device 7 is fixedly installed with two panels polytetrafluoro gasket 705, and two panels is symmetricly set on supercharging device 7, leads to
Polytetrafluoro gasket 705 is crossed, water tank water-supply-pipe 6 will receive the gravity of supercharging device 7, and 705 flexibility of polytetrafluoro gasket plays buffering
Effect plays the role of protection to water tank water-supply-pipe 6, effectively improves the service life of the equipment.
Working principle: staff checks each component, it is ensured that can just carry out using what is supplied water after errorless
When, water flow is entered in supercharging device 7 by water tank water-supply-pipe 6, and hydraulic pressure detector 702 examines the pressure in water pipe
It surveys, after detection, hydraulic pressure detector 702 will start drive shaft 703, and variable-frequency governor 704 starts to work, if water pipe
When interior hydraulic pressure deficiency, variable-frequency governor 704 can be rotated clockwise, the air pressure tank 2 that is interconnected with supercharging device 7 can outward into
Row drains, and the intake pressure of tap water gradually rises in water pipe, if hypertonia, variable-frequency governor 704 is changed to rotate counterclockwise,
Water flow is shunted, and a part, which is flowed into air pressure tank 2, carries out water storage, and another part flows to user and conveys water pipe 5, and water flow exists
Before flowing into user's conveying water pipe 5, stable-pressure device 4 can be first passed through, after stable-pressure device 4 detects that water flow flows into, driving motor 401
It can start to start, so that air exhauster 402 starts to work, the air-flow in connecting tube 403 be extracted out, in connecting tube 403
Pressure be less than the pressure in water tank water-supply-pipe 6, entering in connecting tube 403 for water flow Fast Persistence enter finally into user
It carries out continuing water supply in water-supply-pipe 5.
Above specific embodiment has carried out further the purpose of this utility model, technical scheme and beneficial effects
It is described in detail, it should be understood that the above is only the specific embodiments of the utility model, is not limited to practical
Novel, within the spirit and principle of the utility model, any modification, equivalent substitution, improvement and etc. done should be included in
Within the protection scope of the utility model.
Claims (8)
1. a kind of no negative pressure pipe network pressurizing current stabilization supply equipment, including device noumenon, mounting seat, supercharging device and pressure stabilizing dress
It sets, it is characterised in that: the upper surface of the mounting seat is fixedly installed with air pressure tank, and the lower end surface of the air pressure tank is fixedly mounted
There is air pressure tank to weld pedestal, the front of the air pressure tank is fixedly connected with supercharging device, and the supercharging device includes seal chamber, becomes
Frequency governor and hydraulic pressure detector, the lower end surface of the hydraulic pressure detector are fixedly connected with drive shaft, the lower end of the drive shaft
Face is fixedly connected with variable-frequency governor, and the seal chamber is wrapped in frequency governor, hydraulic pressure detector and drive shaft, the frequency conversion tune
Fast device and hydraulic pressure detector are electrically connected, and the two sides of the supercharging device are fixedly connected to water pipe, described to be located at supercharging device
The water pipe and air pressure tank in left side are interconnected；
The stable-pressure device includes driving motor, air exhauster and connecting tube, and the lower end surface of the driving motor is fixedly installed with pumping
Mechanism of qi is fixedly connected with connecting tube on the right side of the air exhauster, and the upper surface of the connecting tube is fixedly connected with check valve, described
The upper surface of check valve is fixedly installed with butterfly valve, and user's water-supply-pipe is fixedly connected on the left of the air exhauster.
2. a kind of no negative pressure pipe network pressurizing current stabilization supply equipment according to claim 1, it is characterised in that: the air pressure tank
Front be fixedly installed with inlet valve, the front of the inlet valve is fixedly installed with pull rod, the pull rod and inlet valve
It is vertical setting, and inlet valve is movable structure.
3. a kind of no negative pressure pipe network pressurizing current stabilization supply equipment according to claim 1, it is characterised in that: the installation bottom
The two sidewalls of seat are fixedly installed with sliding slot, and the length of the sliding slot is equal to the length of mounting seat, and two sliding slots are set in parallel
It sets.
4. a kind of no negative pressure pipe network pressurizing current stabilization supply equipment according to claim 1, it is characterised in that: the installation bottom
The upper surface of seat is fixedly mounted there are three bottom penetration pipe, and three bottom penetration pipes are in same level, and three
Bottom penetration pipe equidistantly distributed.
5. a kind of no negative pressure pipe network pressurizing current stabilization supply equipment according to claim 1, it is characterised in that: the butterfly valve
Upper surface is fixedly installed with strainer pipe, and the upper surface of the strainer pipe is fixedly connected with water tank water-supply-pipe, and the inside of strainer pipe
It is provided with filter screen, the water pipe and water tank water-supply-pipe on the right side of supercharging device is interconnected.
6. a kind of no negative pressure pipe network pressurizing current stabilization supply equipment according to claim 5, it is characterised in that: the user is defeated
The interface of water pipe and water tank water-supply-pipe is fixedly installed with rubber connector sleeve, and the cross-sectional area of the rubber connector sleeve, which is equal to, to be used
Twice of family water-supply-pipe and water tank water-supply-pipe interface cross section product.
7. a kind of no negative pressure pipe network pressurizing current stabilization supply equipment according to claim 1, it is characterised in that: the check valve
Upper surface be fixedly connected with elastomeric flex connector, the elastomeric flex connector is in " circle ".
8. a kind of no negative pressure pipe network pressurizing current stabilization supply equipment according to claim 1, it is characterised in that: the pressurization dress
The lower end surface set is fixedly installed with two panels polytetrafluoro gasket, and polytetrafluoro gasket described in two panels is symmetricly set on supercharging device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821357303.9U CN208685706U (en) | 2018-08-22 | 2018-08-22 | A kind of no negative pressure pipe network pressurizing current stabilization supply equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821357303.9U CN208685706U (en) | 2018-08-22 | 2018-08-22 | A kind of no negative pressure pipe network pressurizing current stabilization supply equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208685706U true CN208685706U (en) | 2019-04-02 |
Family
ID=65886433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821357303.9U Active CN208685706U (en) | 2018-08-22 | 2018-08-22 | A kind of no negative pressure pipe network pressurizing current stabilization supply equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208685706U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113502878A (en) * | 2021-07-20 | 2021-10-15 | 重庆昕晟环保科技有限公司 | Direct pressure-superposed secondary water supply equipment |
-
2018
- 2018-08-22 CN CN201821357303.9U patent/CN208685706U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113502878A (en) * | 2021-07-20 | 2021-10-15 | 重庆昕晟环保科技有限公司 | Direct pressure-superposed secondary water supply equipment |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A pressurized and stable flow water supply equipment without negative pressure pipeline network Granted publication date: 20190402 Pledgee: Changsha Liuyang sub branch of China Everbright Bank Co.,Ltd. Pledgor: HUNAN HUAZHEN WATER SUPPLY EQUIPMENT Co.,Ltd. Registration number: Y2024980011849 |