CN105736815B - A kind of bathtub drain valve - Google Patents
A kind of bathtub drain valve Download PDFInfo
- Publication number
- CN105736815B CN105736815B CN201610314708.3A CN201610314708A CN105736815B CN 105736815 B CN105736815 B CN 105736815B CN 201610314708 A CN201610314708 A CN 201610314708A CN 105736815 B CN105736815 B CN 105736815B
- Authority
- CN
- China
- Prior art keywords
- cylinder chamber
- piston
- push rod
- valve
- cylinder
- 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.)
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Links
- 238000007789 sealing Methods 0.000 claims abstract description 15
- 230000009194 climbing Effects 0.000 claims abstract description 11
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 10
- 230000000712 assembly Effects 0.000 claims description 6
- 238000000429 assembly Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims 1
- 239000010959 steel Substances 0.000 claims 1
- 239000003921 oil Substances 0.000 abstract description 4
- 230000007812 deficiency Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 11
- 238000000354 decomposition reaction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000003746 feather Anatomy 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/46—Mechanical actuating means for remote operation
- F16K31/465—Mechanical actuating means for remote operation by flexible transmission means, e.g. cable, chain, bowden wire
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
- E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
- E03C1/12—Plumbing installations for waste water; Basins or fountains connected thereto; Sinks
- E03C1/22—Outlet devices mounted in basins, baths, or sinks
- E03C1/23—Outlet devices mounted in basins, baths, or sinks with mechanical closure mechanisms
- E03C1/2304—Outlet devices mounted in basins, baths, or sinks with mechanical closure mechanisms the actuation force being transmitted to the plug via flexible elements, e.g. chain, Bowden cable
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/122—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston
- F16K31/124—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston servo actuated
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/14—Actuating devices; Operating means; Releasing devices actuated by fluid for mounting on, or in combination with, hand-actuated valves
- F16K31/143—Actuating devices; Operating means; Releasing devices actuated by fluid for mounting on, or in combination with, hand-actuated valves the fluid acting on a piston
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Mechanically-Actuated Valves (AREA)
Abstract
A kind of bathtub drain valve is related to being installed on bathtub drain valve technical field of the bath base for draining control.Existing bathtub drain valve small, the slow technical deficiency of drainage speed of opening amplitude is solved, is additionally provided with to jack the hydraulic climbing mechanism of valve body unlatching in the inner cavity of valve chest；The hydraulic climbing mechanism includes hydraulic cylinder, it is more than the second cylinder chamber of the first cylinder chamber in hydraulic cylinder equipped with the first cylinder chamber and diameter, first piston and second piston are respectively equipped in first cylinder chamber and second cylinder chamber, sealing is filled with hydraulic oil between first piston and second piston, first piston is connected by first piston push rod with valve body, and second piston is connected with coordinated signals mechanism.When the section product of second cylinder chamber is the first cylinder chamber twice, second piston promotes 5 millimeters, and first piston is promoted 10 millimeters by oil pressure, and stroke is double, drain discharge increase；The present invention still has good reliability in the severe drainage pipeline of working environment.
Description
Technical field
The present invention relates to be installed on bathtub drain valve technical field of the bath base for draining control.
Background technology
With reference to shown in Fig. 1, the control on valve body and bath side walls in the valve chest 1a of existing bathtub drain valve
It is directly connected between button 2a by coordinated signals mechanism 3a, the stroke that control button 2a is pressed drives with coordinated signals mechanism 3a
The stroke of valve body action is identical, such as：When control button 2a presses down 5 millimeters, coordinated signals mechanism 3a driving valve bodies move
The stroke of work is 5 millimeters, and the sealing cover body 4a of valve body bounces up 5 millimeters upwards.Existing bathtub drain valve unlatching amplitude is small, row
Water speed is slow.
The content of the invention
In conclusion it is an object of the invention to solve existing bathtub drain valve small, the slow skill of drainage speed of opening amplitude
Art deficiency, and propose a kind of bathtub drain valve.
To solve the technical issues of proposed by the invention, the technical solution that uses for：A kind of bathtub drain valve, includes valve
Housing and the valve body in valve chest water inlet, it is characterised in that：It is additionally provided with to push up in the inner cavity of the valve chest
The hydraulic climbing mechanism that lift valve body is opened；The hydraulic climbing mechanism includes hydraulic cylinder, and the first cylinder is equipped in hydraulic cylinder
Chamber and diameter are more than the second cylinder chamber of the first cylinder chamber, and the first cylinder chamber is in series with second cylinder chamber, in the first cylinder chamber and second cylinder chamber
First piston and second piston are respectively equipped with, is sealed between first piston and second piston filled with hydraulic oil, first piston leads to
First piston push rod to be crossed to be connected with valve body, second piston is connected with for second piston to be driven to be moved in second cylinder chamber, and
Hydraulic oil in second cylinder chamber is advanced into the coordinated signals mechanism in the first cylinder chamber.
The first cylinder chamber is in upper and lower cascaded structure with second cylinder chamber；The inner cavity of hydraulic cylinder is up-small and down-big Step-edge Junction
Structure.
The first cylinder chamber is in side-by-side series structure, the first cylinder chamber and the bottom end opening phase of second cylinder chamber with second cylinder chamber
It is logical.
The coordinated signals mechanism includes rigidity rope, and rigidity rope one end is placed in connection second in second cylinder chamber and lives
Plug, other end connection draining control button；It is additionally provided between draining control button and the outer wall of hydraulic cylinder and is socketed in rigidity rope
Rigidity supporting sleeve on rope.
The first piston push rod, which is located between first piston and the first cylinder cavity wall, is equipped with resetting spring.
The valve body is spring drain valve.
The valve body includes the tight lock tube being threadedly coupled with valve chest, and tight lock tube inner wall is equipped with spool stent, valve
Core support center includes guide sleeve, and push rod is equipped in guide sleeve, and push rod bottom is socketed with the first piston push rod top, pushes away
Bar bottom fixing sleeve is connected to the rotation driving set with ratchet, and guide sleeve inner wall is equipped with the guiding with the ratchet cooperation of rotation driving set
Bar-shaped trough, guide sleeve upper end opening are equipped with end cap, and end cap is equipped with the zigzag lower edge with the ratchet cooperation of rotation driving set, pushes away
Bar, which is located between end cap and rotation driving set, is socketed with push rod resetting spring, and push rod top is connected with feather valve after extending end cap
Door sealing cap assemblies.
The elastic valve sealing cap assemblies include sealing cover body, and sealing cover body bottom surface is connected with guide-localization
Sleeve, guide-localization sleeve is interior to be equipped with valve deck spring, and valve deck spring bottom end is connected with push rod clamping joint, and push rod top is fixed through being oriented to
Position sleeve bottom end opening is clamped with push rod clamping joint, and guide-localization sleeve bottom is additionally provided with the guiding being inserted on spool stent
Foot.
Beneficial effects of the present invention are：The present invention connects valve body in coordinated signals mechanism by hydraulic climbing mechanism, leads to
The second piston crossed in coordinated signals mechanism driving major diameter second cylinder chamber promotes, and second piston is by the hydraulic oil in second cylinder chamber
It is pushed into minor diameter the first cylinder chamber, under the action of oil pressure, the first piston in the first cylinder chamber, which is accelerated, boosts；Such as the
When the section product of two cylinder chamber is the first cylinder chamber twice, it can accomplish that second piston promotes 5 millimeters in second cylinder chamber, first piston
10 millimeters are promoted by oil pressure, that is to say 10 millimeters of the jacking upwards of first piston push rod, the driving valve body action of coordinated signals mechanism
Stroke it is double, drain discharge increase；The present invention still has good reliability in the severe drainage pipeline of working environment.
Description of the drawings
Fig. 1 is structure diagram when bathtub drain valve is installed；
Fig. 2 is the dimensional structure diagram of the present invention；
Fig. 3 is the overlooking the structure diagram of the present invention；
Fig. 4 is the A-A schematic cross-sectional views of Fig. 3；
Fig. 5 is the B-B schematic cross-sectional views of Fig. 3；
Fig. 6 is the decomposition texture schematic diagram of the present invention；
Fig. 7 is the internal structure schematic diagram of the present invention；
Fig. 8 is the decomposition texture schematic diagram of Fig. 7；
Fig. 9 is the valve body dimensional structure diagram of the present invention；
Figure 10 is the decomposition texture schematic diagram one of Fig. 9；
Figure 11 is the decomposition texture schematic diagram two of Fig. 9；
Figure 12 is schematic cross-sectional view when Fig. 9 is decomposed；
Figure 13 is the dimensional structure diagram for another hydraulic climbing mechanism that the present invention uses；
Figure 14 is the cross section structure schematic diagram for another hydraulic climbing mechanism that the present invention uses.
Specific embodiment
The structure of the present invention is further described below in conjunction with attached drawing and currently preferred specific embodiment.
Shown in Fig. 8, bathtub drain valve of the present invention includes valve chest 1 and arranged on 1 water inlet of valve chest
In valve body 2, be additionally provided in the inner cavity of the valve chest 1 to jack the hydraulic climbing mechanism 3 of the unlatching of valve body 2.Institute
The hydraulic climbing mechanism 3 stated includes hydraulic cylinder 31, and the first cylinder chamber 32 is equipped in hydraulic cylinder 31 and diameter is more than the first cylinder chamber 32
Second cylinder chamber 33, the first cylinder chamber 32 is in series with second cylinder chamber 33；It is specific that the first cylinder chamber 32 and second cylinder chamber 33 may be employed
In upper and lower cascaded structure；The inner cavity of hydraulic cylinder 31 is up-small and down-big step structure.Divide in first cylinder chamber 32 and second cylinder chamber 33
Not She You first piston 34 and second piston 35, sealing is filled with hydraulic oil between first piston 34 and second piston 35；First
Piston 34 is connected by first piston push rod 341 with valve body 2, and first piston push rod 341 is located at 34 and first cylinder of first piston
Resetting spring 342 is equipped between 31 inner wall of chamber.Second piston 35 is connected with to drive second piston 35 in second cylinder chamber 33
It is mobile, and hydraulic oil in second cylinder chamber 33 is advanced into the coordinated signals mechanism 4 in the first cylinder chamber 32.
The course of work is：Coordinated signals mechanism 4 drives second piston 35 to boost in second cylinder chamber 33, second cylinder chamber
Hydraulic oil is flowed into the first cylinder chamber 32 in 33, under the oil pressure effect of hydraulic oil, 34 quilt of first piston in the first cylinder chamber 32
Acceleration is boosted, and first piston push rod 341 also speeds up upward jacking, so as to which valve body 2 be controlled to open draining.
Coordinated signals mechanism 4 includes rigidity rope 42, and 42 one end of rigidity rope, which is placed in second cylinder chamber 33, connects second
Piston 35, other end connection draining control button；It is additionally provided with and is socketed between the outer wall of draining control button and hydraulic cylinder 31
Rigidity supporting sleeve 41 on rigidity rope 42；Under the supporting role of rigidity supporting sleeve 41, when rigidity rope 42 to second
When being promoted in cylinder chamber 33, second piston 35 is moved upward；In specific implementation process, it can also be pulled by rigidity rope 42
Swing arm promotes piston rod driving second piston 35 by swing arm.
With reference to Fig. 4 to shown in Figure 12, valve body 2 can be spring drain valve, and the effect of realization is：When being subject to the first work
When filling in the effective jacking for the first time of push rod 341, valve body 2 is opened, and is kept it turned on；When being subject to first piston push rod again
During 341 effective jacking, valve body 2 is closed, and keeps close valve state, iterative cycles on or off state switching；Similar to ball pen
Core pressing bounces up mechanism.
The concrete structure of valve body 2 includes the tight lock tube 21 being threadedly coupled with valve chest 1, and tight 21 inner wall of lock tube is equipped with valve
Core support 22, the top of hydraulic cylinder 31 are threadedly coupled by screw head with 22 center of spool stent；22 center of spool stent includes
Guide sleeve 221, guide sleeve 221 is interior to be equipped with push rod 23, and 23 bottom of push rod is socketed with 341 top of first piston push rod, push rod
23 bottom fixing sleeves are connected to the rotation driving set 24 with ratchet, and 221 inner wall of guide sleeve is equipped with matches somebody with somebody with the ratchet of rotation driving set 24
The guiding bar-shaped trough of conjunction, 23 upper end opening of guide sleeve are equipped with end cap 25, and end cap 25 is equipped with matches somebody with somebody with the ratchet of rotation driving set 24
Along 251 under the zigzag of conjunction, push rod 23, which is located between end cap 25 and rotation driving set 24, is socketed with push rod resetting spring, push rod 23
Top connects after extending end cap 25；During the ratchet of rotation driving set 24 follows push rod 23 to be jacked upwards, rotation is driven
The ratchet of dynamic set 24 rotates actuating sleeve 24 along under 251 beveling active forces under by 25 zigzag of end cap and rotates respective angles, first
After piston push rod 341 resets downwards, the ratchet of rotation driving set 24 falls into the end position for being oriented to bar-shaped trough, and push rod 23 is kept
Jacking state；After rotation driving set 24 along 251 beveling active force backspins under zigzag again by jacking with turning respective angles, rotation
The ratchet for turning actuating sleeve 24 falls into guiding bar-shaped trough, and push rod 23 declines, and valve elastic valve sealing cap assemblies 26 fall, and valve closes
It closes.
Elastic valve sealing cap assemblies 26 include sealing cover body 261, and it is fixed that 261 bottom surface of sealing cover body is connected with guiding
Position sleeve 262, guide-localization sleeve 262 is interior to be equipped with valve deck spring 263, and 263 bottom of valve deck spring is connected with push rod clamping joint
264,23 top of push rod covers 262 bottom end openings through guide-localization and is clamped with push rod clamping joint 264,262 bottom of guide-localization sleeve
Portion is additionally provided with the guiding foot being inserted on spool stent 22.
With reference to shown in Fig. 4, Figure 13 and Figure 14,31 internal structure of hydraulic cylinder of the invention can also be：First cylinder chamber 32
With second cylinder chamber 33 in side-by-side series structure, the first cylinder chamber 32 is communicated with the bottom end opening of second cylinder chamber 33；When second cylinder chamber 33
When interior second piston 35 advances downwardly under being acted on by coordinated signals mechanism 4, the first piston 34 in the first cylinder chamber 32 equally adds
Speed is boosted, and is reached with above-mentioned first cylinder chamber 32 and second cylinder chamber 33 in the identical technique effect of upper and lower cascaded structure.
Claims (6)
1. a kind of bathtub drain valve includes valve chest and the valve body in valve chest water inlet, it is characterised in that：It is described
Valve chest inner cavity in be additionally provided with to jack the hydraulic climbing mechanism of valve body unlatching；The hydraulic climbing mechanism includes
There is hydraulic cylinder, be more than the second cylinder chamber of the first cylinder chamber, the first cylinder chamber and second cylinder chamber in hydraulic cylinder equipped with the first cylinder chamber and diameter
It is in series, first piston and second piston is respectively equipped in the first cylinder chamber and second cylinder chamber, between first piston and second piston
Sealing is connected filled with hydraulic oil, first piston by first piston push rod with valve body, and second piston is connected with to drive
Second piston moves in second cylinder chamber, and hydraulic oil in second cylinder chamber is advanced into the coordinated signals mechanism in the first cylinder chamber；
The valve body is spring drain valve；
The valve body includes the tight lock tube being threadedly coupled with valve chest, and tight lock tube inner wall is equipped with spool stent, spool branch
Frame center includes guide sleeve, and push rod is equipped in guide sleeve, and push rod bottom is socketed with the first piston push rod top, push rod bottom
End fixing sleeve is connected to the rotation driving set with ratchet, and guide sleeve inner wall is equipped with the guiding bar shaped with the ratchet cooperation of rotation driving set
Slot, guide sleeve upper end opening are equipped with end cap, and end cap is equipped with the zigzag lower edge with the ratchet cooperation of rotation driving set, push rod position
Push rod resetting spring is socketed between end cap and rotation driving set, and push rod top extends that be connected with elastic valve after end cap close
Closure assemblies.
2. a kind of bathtub drain valve according to claim 1, it is characterised in that：The first cylinder chamber is in second cylinder chamber
Upper and lower cascaded structure；The inner cavity of hydraulic cylinder is up-small and down-big step structure.
3. a kind of bathtub drain valve according to claim 1, it is characterised in that：The first cylinder chamber is in second cylinder chamber
Side-by-side series structure, the first cylinder chamber are communicated with the bottom end opening of second cylinder chamber.
4. a kind of bathtub drain valve according to claim 1, it is characterised in that：The coordinated signals mechanism includes steel
Property rope, rigidity rope one end, which is placed in second cylinder chamber, connects second piston, the other end connection draining control button；In draining control
The rigidity supporting sleeve being socketed on rigidity rope is additionally provided between the outer wall of button and hydraulic cylinder processed.
5. a kind of bathtub drain valve according to claim 1, it is characterised in that：The first piston push rod is located at first
Resetting spring is equipped between piston and the first cylinder cavity wall.
6. a kind of bathtub drain valve according to claim 1, it is characterised in that：The elastic valve sealing cap assemblies bag
Sealing cover body is included, sealing cover body bottom surface is connected with guide-localization sleeve, valve deck spring, valve are equipped in guide-localization sleeve
Lid spring bottom is connected with push rod clamping joint, and push rod top is clamped through guide-localization sleeve bottom end opening and push rod clamping joint, leads
The guiding foot being inserted on spool stent is additionally provided with to abutment sleeve bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610314708.3A CN105736815B (en) | 2016-05-13 | 2016-05-13 | A kind of bathtub drain valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610314708.3A CN105736815B (en) | 2016-05-13 | 2016-05-13 | A kind of bathtub drain valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105736815A CN105736815A (en) | 2016-07-06 |
| CN105736815B true CN105736815B (en) | 2018-05-25 |
Family
ID=56288890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610314708.3A Active CN105736815B (en) | 2016-05-13 | 2016-05-13 | A kind of bathtub drain valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105736815B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107906076B (en) * | 2017-12-28 | 2023-09-19 | 中国铁道科学研究院铁道科学技术研究发展中心 | Pressure spring self-resetting oil cylinder with heavy load and limited lifting space and assembly process |
| CN109629629B (en) * | 2018-12-05 | 2020-07-31 | 广州大学 | Bathroom water collecting system |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205745591U (en) * | 2016-05-13 | 2016-11-30 | 深圳市金合联投资有限公司 | A kind of bathtub drain valve |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2434489Y (en) * | 2000-06-30 | 2001-06-13 | 陶靖 | Foot control drainage valve |
| US20060000015A1 (en) * | 2001-06-21 | 2006-01-05 | Scott Duncan | Pneumatically actuated drain stopper system and apparatus |
| FR2896569B1 (en) * | 2006-01-24 | 2009-07-24 | Sanitaire Accessoires Services | DEVICE FOR HYDRAULICALLY CONTROLLING A WATER EXHAUST MECHANISM, IN PARTICULAR FOR A SANITARY APPARATUS |
| CN103362190B (en) * | 2012-03-30 | 2015-08-26 | 李飞宇 | Drainage mechanism |
| CN204001108U (en) * | 2014-07-30 | 2014-12-10 | 赵玉娟 | A kind of drain valve structure |
-
2016
- 2016-05-13 CN CN201610314708.3A patent/CN105736815B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205745591U (en) * | 2016-05-13 | 2016-11-30 | 深圳市金合联投资有限公司 | A kind of bathtub drain valve |
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| Publication number | Publication date |
|---|---|
| CN105736815A (en) | 2016-07-06 |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 518000 Guangdong city of Shenzhen province Futian District Che Kung Temple Tairan Tairan 8 road building 17C02 unit Applicant after: UNIND (SHENZHEN) Co.,Ltd. Address before: 518040 Guangdong city of Shenzhen province Futian District Che Kung Temple Tairan Tairan 8 road building 17C02 unit Applicant before: Shenzhen Jinhelian Investment Co.,Ltd. |
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| CB02 | Change of applicant information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A drainage valve for bathtub Effective date of registration: 20201228 Granted publication date: 20180525 Pledgee: Shenzhen SME financing Company limited by guarantee Pledgor: UNIND (Shenzhen) Co.,Ltd. Registration number: Y2020990001519 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 518000 Guangdong Shenzhen Futian District Che Kung Temple 17C02 8 unit Tai ran building Patentee after: Shenzhen jinhelian Technology Co.,Ltd. Address before: 518000 Guangdong Shenzhen Futian District Che Kung Temple 17C02 8 unit Tai ran building Patentee before: UNIND (SHENZHEN) Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20180525 Pledgee: Shenzhen SME financing Company limited by guarantee Pledgor: UNIND (SHENZHEN) Co.,Ltd. Registration number: Y2020990001519 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |