CN208563443U - Anti-clogging tap water supply pipeline - Google Patents
Anti-clogging tap water supply pipeline Download PDFInfo
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- CN208563443U CN208563443U CN201820987802.XU CN201820987802U CN208563443U CN 208563443 U CN208563443 U CN 208563443U CN 201820987802 U CN201820987802 U CN 201820987802U CN 208563443 U CN208563443 U CN 208563443U
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- tube coupling
- removal
- impurities
- hairbrush
- filter plate
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Abstract
The utility model proposes a kind of anti-clogging tap water supply pipelines, belong to tap water supply technical field, including water inlet tube coupling, water outlet tube coupling and are removably connected into the removal of impurities tube coupling between water tube coupling and water outlet tube coupling, the pipe for the tube coupling that cleans is interior to be equipped with impurity removing unit；Impurity removing unit includes the filter plate for filtering originally impurities in water, filter plate is fixedly connected on the inner wall of removal of impurities tube coupling, influent side close to filter plate is equipped with hairbrush, hairbrush is in contact with the part of the surface of filter plate influent side, and it can be along the surface pivots of filter plate influent side, to remove the impurity being trapped on filter plate water inlet side surface；Impurity removing unit further includes the driving assembly for driving hairbrush to rotate, and hairbrush is fixedly connected on driving assembly.The anti-clogging tap water supply pipeline can effectively prevent the impurity in tap water to block water supply line, advantageously ensure that the long-time conveying of tap water.
Description
Technical field
The utility model belongs to tap water supply technical field more particularly to a kind of anti-clogging tap water supply pipeline.
Background technique
Tap water used in people's life is usually to pass through water intake pumping station to draw rivers and lakes water and underground water, originally
It the purifying sterilizings process such as precipitated, sterilized, being filtered in water treatment plant and passing through water distribution after meeting corresponding water supply standard
Pumping plant is transported in each user family.However, since there are a small amount of impurity in tap water, when being conveyed in water supply line, from
Impurity in water is deposited in inside water supply line, is easy to cause water supply line to block for a long time.Thus, how a kind of energy is provided
Enough anticlogging tap water supply pipelines are a current technical problems urgently to be solved.
Utility model content
The utility model is directed to the existing susceptible to plugging problem of tap water supply pipeline, proposes that a kind of anticlogging tap water supplies
Waterpipe can effectively prevent the impurity in tap water to block water supply line, advantageously ensure that the long-time conveying of tap water.
In order to achieve the above object, the technical solution adopted in the utility model are as follows:
Anti-clogging tap water supply pipeline, including water inlet tube coupling, be discharged tube coupling and be removably connected to the water inlet tube coupling
The removal of impurities tube coupling between water outlet tube coupling, the pipe of the removal of impurities tube coupling is interior to be equipped with impurity removing unit；The impurity removing unit includes being used for
The filter plate of originally impurities in water is filtered, the filter plate is fixedly connected on the inner wall of the removal of impurities tube coupling, close to the filtering
The influent side of plate is equipped with hairbrush, and the hairbrush is in contact with the part of the surface of the filter plate influent side, and can be along the mistake
The surface pivots of filter plate influent side, to remove the impurity being trapped on filter plate water inlet side surface；The impurity removing unit
It further include the driving assembly for driving the hairbrush rotation, the hairbrush is fixedly connected on the driving component.
Preferably, the driving component includes being installed in the removal of impurities tube coupling to turn along the axis for cleaning tube coupling
Axis, and the spiral fan that can be rotated using the axis of the removal of impurities tube coupling as axis under water impact effect；The spiral fan
It is fixedly connected on the shaft periphery, and is located at the shaft close to the side of the water inlet tube coupling；The hairbrush is fixedly connected
In the shaft periphery, and it is located at the shaft close to the side of the water outlet tube coupling.
Preferably, being set in the removal of impurities tube coupling there are two rotating shaft support frame, the axial ends of the shaft is respectively penetrated
Two rotating shaft support frames, are arranged with ball bearing between the rotating shaft support frame and shaft；The filter plate is located at two
Between the rotating shaft support frame, the filter plate is passed through in the middle part of the shaft.
Preferably, the hairbrush is fixedly connected on the shaft periphery, the hairbrush installation by hairbrush mounting assembly
Component includes the hairbrush mounting rack for being fixedly connected on the shaft periphery, and the hairbrush mounting rack is fixedly connected with spring, described
The free end of spring is fixedly connected with the hairbrush.
Preferably, the gravity of the hairbrush is less than the elastic force of the spring.
Preferably, the filter plate includes filter screen and the filter screen mounting rack for installing the filter screen.
Preferably, the aperture of the filter screen be-μm.
Preferably, it is described water inlet tube coupling, water outlet tube coupling and clean tube coupling outer diameter it is consistent, the removal of impurities tube coupling and into
The periphery of water pipe section junction and the removal of impurities tube coupling and the periphery for being discharged tube coupling junction, are arranged with connecting sleeve；Institute
Removal of impurities tube coupling outer wall is stated close to the removal of impurities tube coupling and water inlet tube coupling junction, and close to the removal of impurities tube coupling and water outlet tube coupling
Junction is equipped with circumferential groove；One end of the connecting sleeve and the water inlet tube coupling or the outer wall thread for being discharged tube coupling connect
It connects, the other end of the connecting sleeve has flange part, and the flange part is inserted into the circumferential groove.
Preferably, the width of the circumferential groove is greater than the flange part width.
Preferably, the water inlet pipe nodal section is to the end face of the removal of impurities tube coupling and the outlet pipe nodal section to described
The end face of removal of impurities tube coupling, is equipped with sealing ring.
Compared with prior art, advantages and beneficial effects of the utility model lie in that
1, anti-clogging tap water supply pipeline provided by the utility model, by the filter plate that is arranged in removal of impurities tube coupling to from
Impurity in water is filtered, and is driven hairbrush along filter plate influent side surface pivots by driving assembly, is made to be trapped in filtering
Under the impurity brush that plate is intake on side surface, impurity can effectively be avoided to block filter plate, meanwhile, water outlet tube coupling is flowed into through filtering
Impurity is not contained in tap water, in subsequent delivery there is no pipeline is blocked, efficiently solves originally impurities in water
The problem of blocking water supply line；
2, anti-clogging tap water supply pipeline provided by the utility model, removal of impurities tube coupling and water inlet tube coupling and water outlet tube coupling
To be detachably connected, can impurity that accumulate in periodic cleaning removal of impurities tube coupling, to guarantee that tap water conveying is unobstructed, advantageously ensure that from
The long-time of water conveys.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of anti-clogging tap water supply pipeline provided by the embodiment of the utility model；
Fig. 2 is the cross-sectional view of the line A-A along Fig. 1；
Fig. 3 is the cross-sectional view of the line B-B along Fig. 1；
In above each figure: 1, tube coupling of intaking；2, clean tube coupling；3, impurity removing unit；31, filter plate；311, filter screen；312,
Filter screen mounting rack；32, hairbrush；33, driving assembly；331, shaft；332, spiral fan；34, rotating shaft support frame；35, ball
Bearing；36, hairbrush mounting assembly；361, hairbrush mounting rack；362, spring；4, it is discharged tube coupling；5, connecting sleeve；51, flange part；
6, circumferential groove；7, sealing ring.
Specific embodiment
In the following, the utility model is specifically described by illustrative embodiment.It should be appreciated, however, that not having
In the case where being further discussed below, element, structure and features in an embodiment can also be advantageously incorporated into other implementations
In mode.
In the description of the present invention, it should be noted that term "inner", "outside", "upper", "lower", "front", "rear" etc.
The orientation or positional relationship of instruction is to be merely for convenience of description the utility model and letter based on attached positional relationship shown in FIG. 1
Change description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation construct and
Operation, therefore should not be understood as limiting the present invention.
As shown in Figure 1-Figure 3, the utility model relates to a kind of anti-clogging tap water supply pipeline, including water inlet tube coupling 1, go out
Water pipe section 4 and be removably connected into water tube coupling 1 and water outlet tube coupling 4 between removal of impurities tube coupling 2, clean tube coupling 2 pipe in be equipped with
Impurity removing unit 3；Impurity removing unit 3 includes the filter plate 31 for filtering originally impurities in water, and filter plate 31 is fixedly connected on removal of impurities
The inner wall of tube coupling 2, the influent side close to filter plate 31 are equipped with hairbrush 32, the part of the surface of hairbrush 32 and 31 influent side of filter plate
It is in contact, and can be trapped within along the surface pivots of 31 influent side of filter plate with removing miscellaneous on the water inlet of filter plate 31 side surface
Matter；Impurity removing unit 3 further includes the driving assembly 33 for driving hairbrush 32 to rotate, and hairbrush 32 is fixedly connected on driving assembly 33.
It should be noted that filter plate 31 is influent side close to the side of water inlet tube coupling 1, the side close to water outlet tube coupling 4 is water outlet side.
When using above-mentioned anti-clogging tap water supply pipeline tap water, tap water flows into removal of impurities pipe from water inlet tube coupling 1
Section 2 is filtered the impurity in tap water by filter plate 31 in removal of impurities tube coupling 2, drives hairbrush by driving assembly 33
32, along 31 influent side surface pivots of filter plate, will be trapped under the impurity brush that filter plate 31 is intake on side surface, can effectively keep away
Exempt from impurity blocking filter plate 31, filtered tap water is flowed out from the water outlet side of filter plate 31, and then flows into water outlet tube coupling 4, by
Impurity is not contained in the tap water for flowing into water outlet tube coupling 4, there is no blocking pipe problems in subsequent delivery.Although passing through
Hairbrush 32 cleans effect with water, can be avoided the blocking of filter plate 31, guarantees that tap water conveying is unobstructed, but when by using for a long time
Afterwards, impurity can be accumulated in removal of impurities tube coupling 2, at this moment can stop conveying, and removal of impurities tube coupling 2 and water inlet tube coupling 1 and water outlet tube coupling 4 are torn open
From, the impurity accumulated in removal of impurities tube coupling 2 is poured out, it is unobstructed to guarantee to convey.
In one embodiment, as shown in Figure 1, the axis that driving assembly 33 includes edge removal of impurities tube coupling 2 is installed on removal of impurities
Shaft 331 in tube coupling 2, and the spiral fan that can be rotated using the axis for the tube coupling 2 that cleans as axis under water impact effect
332；Spiral fan 332 is fixedly connected on 331 periphery of shaft, and is located at shaft 331 close to the side of water inlet tube coupling 1；Hairbrush 32
It is fixedly connected on 331 periphery of shaft, and is located at shaft 331 close to the side of water outlet tube coupling 4.It should be noted that spiral fan
332 are helically wound around 331 periphery of institute's shaft, and the mode of being fixedly connected can be welded connecting.When conveying tap water, tap water
Water impact spiral fan 332 due to water flow and 332 out of plumb of spiral fan, thus can be such that spiral fan 332 rotates, spiral
Flabellum 332 drives shaft 331 to rotate, and shaft 331 is rotated with electric brush 32 in turn.
For the ease of installing shaft 331, and guarantee 331 smooth rotation of shaft, as a preference, such as Fig. 1 and Fig. 2 institute
Showing, set in the tube coupling 2 that cleans there are two rotating shaft support frame 34, the axial ends of shaft 331 respectively penetrates two rotating shaft support frames 34,
To be supported in rotating shaft support frame 34, ball bearing 35 is arranged between rotating shaft support frame 34 and shaft 331, to guarantee shaft 331
Smooth rotation；Filter plate 31 is located between two rotating shaft support frames 34, and filter plate 31 is passed through in the middle part of shaft 331.
As shown in Figure 1, the specific connection type of hairbrush 32 and shaft 331 are as follows: hairbrush 32 is solid by hairbrush mounting assembly 36
Surely it is connected to 331 periphery of shaft, hairbrush mounting assembly 36 includes the hairbrush mounting rack 361 for being fixedly connected on 331 periphery of shaft, hair
Brush mounting rack 361 is fixedly connected with spring 362, and the free end of spring 362 is fixedly connected with hairbrush 32.It should be noted that bullet
The free end of spring 362 refers to one end that spring 362 is not fixedly connected with hairbrush mounting rack 361.It should also be noted that, hairbrush peace
361, which are shelved, with the mode that is fixedly connected of shaft 331 to be welding or threaded connection etc.；Spring 362 and hairbrush mounting rack 361
The mode of being fixedly connected can be welding or bolt etc..Hairbrush 32 is installed in this way, hairbrush 32 can be made by the elastic force effect of spring 362
It is pressed in the surface of filter plate 31, hairbrush 32 and filter plate 31 is in close contact, effectively improves hairbrush 32 to the clear of filter plate 31
Manage effect.As a preference, the gravity of hairbrush 32 is less than the elastic force of spring 362, to guarantee that spring 362 can support hairbrush
32.It should be noted that the quantity of hairbrush 32 can be multiple, as shown in Figure 1, be specially two in the present embodiment, two hairs
Brush 32 is symmetrical arranged centered on shaft 331, and each hairbrush 32 is correspondingly arranged a spring 362.
Further, as shown in figure 3, filter plate 31 includes filter screen 311 and the filter screen peace for installing filter screen 311
312 are shelved, filter screen mounting rack 312 is fixedly connected on the inner wall of removal of impurities tube coupling 2, and filter screen 311 is installed on filter screen mounting rack
312 middle parts.In order to improve contaminant filter effect, as a preference, the aperture of filter screen 311 is 3-5 μm, to guarantee as far as possible
By the impurity retention in tap water.
Further, as shown in Figure 1, removal of impurities tube coupling 2 is removably connected into one between water tube coupling 1 and water outlet tube coupling 4
The preferred connection type of kind are as follows: the outer diameter of water inlet tube coupling 1, water outlet tube coupling 4 and the tube coupling 2 that cleans is consistent, and clean tube coupling 2 and water inlet pipe
The periphery of 1 junction, and removal of impurities tube coupling 2 and the periphery for being discharged 4 junction of tube coupling are saved, connecting sleeve 5 is arranged with；Removal of impurities pipe
2 outer walls are saved close to removal of impurities tube coupling 2 and water inlet 1 junction of tube coupling, and close to removal of impurities tube coupling 2 and water outlet 4 junction of tube coupling, are all provided with
There is circumferential groove 6；One end of connecting sleeve 5 with water inlet tube coupling 1 or be discharged tube coupling 4 outer wall thread connect, connecting sleeve 5 it is another
One end has flange part 51, and flange part 51 is inserted into circumferential groove 6.It should be noted that the width of circumferential groove 6 is greater than flange
Portion 51 width, so that flange part 51 can slide axially in circumferential groove 6 along removal of impurities tube coupling 2, and can be along the week of removal of impurities tube coupling 2
To rotation, convenient for connecting sleeve 5 and water inlet tube coupling 1 or the threaded connection for being discharged tube coupling 4.In use, removal of impurities tube coupling 2 is connected to
The operating procedure intake between tube coupling 1 and water outlet tube coupling 4 are as follows: along two connecting sleeves 5 that slide axially of removal of impurities tube coupling 2, make two
The end face of a connecting sleeve 5 does not protrude from the axial ends of removal of impurities tube coupling 2, and removal of impurities tube coupling 2 is docked at into water tube coupling 1 and is gone out
Between water pipe section 4, two connecting sleeves 5 are rotated, connect two connecting sleeves 5 with water inlet tube coupling 1 and water outlet 4 screw thread of tube coupling respectively
It connects.When removal of impurities tube coupling 2 need to be removed, contrary operation is carried out, those skilled in the art can walk according to the connection of above-mentioned removal of impurities tube coupling 2
Suddenly clearly know concrete operation step when disassembly, this will not be repeated here.
In order to improve removal of impurities tube coupling 2 and water inlet 1 junction of tube coupling, and removal of impurities tube coupling 2 with water outlet 4 junction of tube coupling it is close
Feng Xing, as shown in Figure 1, end face of the water inlet tube coupling 1 towards removal of impurities tube coupling 2, and end face of the water outlet tube coupling 4 towards removal of impurities tube coupling 2,
It is equipped with sealing ring 7, to connect respectively with removal of impurities 2 junction of tube coupling and water outlet tube coupling 4 with removal of impurities tube coupling 2 to water inlet tube coupling 1
Place is sealed.
Anti-clogging tap water supply pipeline provided by the utility model, it is right by the filter plate 31 being arranged in removal of impurities tube coupling 2
Impurity in tap water is filtered, and drives hairbrush 32 along 31 influent side surface pivots of filter plate by driving assembly 33, makes to cut
It stays under the impurity brush that filter plate 31 is intake on side surface, impurity can effectively be avoided to block filter plate 31, meanwhile, it is flowed through filtering
Enter to be discharged without containing impurity in the tap water of tube coupling 4, in subsequent delivery there is no pipeline is blocked, efficiently solves
Originally the problem of impurities in water blocking water supply line.Moreover, anti-clogging tap water supply pipeline provided by the utility model, is removed
Miscellaneous tube coupling 2 is to be detachably connected with water inlet tube coupling 1 and water outlet tube coupling 4, can periodic cleaning clean the impurity accumulated in tube coupling 2, with
Guarantee that tap water conveying is unobstructed, advantageously ensures that the long-time conveying of tap water.
More than, the only preferable specific embodiment of the utility model, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model, according to the utility model
Technical solution and its utility model design be subject to equivalent substitution or change, should all cover the protection scope of the utility model it
It is interior.
Claims (10)
1. anti-clogging tap water supply pipeline, it is characterised in that: including water inlet tube coupling (1), water outlet tube coupling (4) and be detachably connected
In water inlet tube coupling (1) and the removal of impurities tube coupling (2) being discharged between tube coupling (4), the pipe of removal of impurities tube coupling (2) is interior to be equipped with removal of impurities
Unit (3)；
The impurity removing unit (3) includes that the filter plate (31) is fixed to be connected for filtering the filter plate of originally impurities in water (31)
It is connected to the inner wall of removal of impurities tube coupling (2), the influent side close to the filter plate (31) is equipped with hairbrush (32), the hairbrush
(32) it is in contact, and can turn along the surface of the filter plate (31) influent side with the part of the surface of the filter plate (31) influent side
It is dynamic, to remove the impurity being trapped on the filter plate (31) water inlet side surface；
The impurity removing unit (3) further includes the driving assembly (33) for driving the hairbrush (32) to rotate, the hairbrush (32)
It is fixedly connected on the driving component (33).
2. anti-clogging tap water supply pipeline according to claim 1, it is characterised in that: the driving component (33) includes
It is installed on the shaft (331) in removal of impurities tube coupling (2) along the axis of removal of impurities tube coupling (2), and can be made in water impact
The spiral fan (332) rotated using the axis of removal of impurities tube coupling (2) as axis under；The spiral fan (332) is fixedly connected
In the shaft (331) periphery, and it is located at the shaft (331) close to the side of water inlet tube coupling (1)；The hairbrush (32)
It is fixedly connected on the shaft (331) periphery, and is located at the shaft (331) close to the side of water outlet tube coupling (4).
3. anti-clogging tap water supply pipeline according to claim 2, it is characterised in that: set in the removal of impurities tube coupling (2)
There are two rotating shaft support frame (34), the axial ends of the shaft (331) respectively penetrates two rotating shaft support frames (34), institute
It states and is arranged with ball bearing (35) between rotating shaft support frame (34) and shaft (331)；The filter plate (31) is located at described in two
Between rotating shaft support frame (34), the filter plate (31) are passed through in the middle part of the shaft (331).
4. anti-clogging tap water supply pipeline according to claim 2, it is characterised in that: the hairbrush (32) passes through hairbrush
Mounting assembly (36) is fixedly connected on the shaft (331) periphery, and the hairbrush mounting assembly (36) includes being fixedly connected on institute
The hairbrush mounting rack (361) of shaft (331) periphery is stated, the hairbrush mounting rack (361) is fixedly connected with spring (362), described
The free end of spring (362) is fixedly connected with the hairbrush (32).
5. anti-clogging tap water supply pipeline according to claim 4, it is characterised in that: the gravity of the hairbrush (32) is small
Elastic force in the spring (362).
6. anti-clogging tap water supply pipeline according to claim 1, it is characterised in that: the filter plate (31) included
Strainer (311) and filter screen mounting rack (312) for installing the filter screen (311).
7. anti-clogging tap water supply pipeline according to claim 6, it is characterised in that: the hole of the filter screen (311)
Diameter is 3-5 μm.
8. anti-clogging tap water supply pipeline according to claim 1, it is characterised in that: the water inlet tube coupling (1), water outlet
Tube coupling (4) and the outer diameter of removal of impurities tube coupling (2) are consistent, the periphery of removal of impurities tube coupling (2) and tube coupling (1) junction that intakes, with
And the periphery of removal of impurities tube coupling (2) and water outlet tube coupling (4) junction, it is arranged with connecting sleeve (5)；The removal of impurities tube coupling
(2) outer wall is close to the removal of impurities tube coupling (2) and water inlet tube coupling (1) junction, and close the removal of impurities tube coupling (2) and outlet pipe
(4) junction is saved, circumferential groove (6) are equipped with；One end of the connecting sleeve (5) and the water inlet tube coupling (1) or outlet pipe
The outer wall thread connection of (4) is saved, the other end of the connecting sleeve (5) has flange part (51), flange part (51) insertion
In the circumferential groove (6).
9. anti-clogging tap water supply pipeline according to claim 8, it is characterised in that: the width of the circumferential groove (6)
Degree is greater than the flange part (51) width.
10. anti-clogging tap water supply pipeline according to claim 1, it is characterised in that: the water inlet tube coupling (1) towards
The end face of the end face of removal of impurities tube coupling (2) and water outlet tube coupling (4) towards removal of impurities tube coupling (2), is equipped with sealing
It encloses (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820987802.XU CN208563443U (en) | 2018-06-25 | 2018-06-25 | Anti-clogging tap water supply pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820987802.XU CN208563443U (en) | 2018-06-25 | 2018-06-25 | Anti-clogging tap water supply pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208563443U true CN208563443U (en) | 2019-03-01 |
Family
ID=65488914
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820987802.XU Active CN208563443U (en) | 2018-06-25 | 2018-06-25 | Anti-clogging tap water supply pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208563443U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109914528A (en) * | 2019-03-25 | 2019-06-21 | 李彩华 | A kind of water conservancy conveying device with cleaning function for trickle irrigation |
| CN110285287A (en) * | 2019-06-28 | 2019-09-27 | 梁良良 | A kind of wide tee pipe |
| CN110447520A (en) * | 2019-08-22 | 2019-11-15 | 凤台县水利建筑安装工程公司 | A kind of anticlogging farmland drip irrigation system |
| CN113149374A (en) * | 2021-05-27 | 2021-07-23 | 龙南县彩艺装饰材料厂 | Water-based paint process water processing system |
-
2018
- 2018-06-25 CN CN201820987802.XU patent/CN208563443U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109914528A (en) * | 2019-03-25 | 2019-06-21 | 李彩华 | A kind of water conservancy conveying device with cleaning function for trickle irrigation |
| CN110285287A (en) * | 2019-06-28 | 2019-09-27 | 梁良良 | A kind of wide tee pipe |
| CN110285287B (en) * | 2019-06-28 | 2020-12-15 | 安徽谨铭连接***有限公司 | Large-diameter three-way pipe |
| CN110447520A (en) * | 2019-08-22 | 2019-11-15 | 凤台县水利建筑安装工程公司 | A kind of anticlogging farmland drip irrigation system |
| CN113149374A (en) * | 2021-05-27 | 2021-07-23 | 龙南县彩艺装饰材料厂 | Water-based paint process water processing system |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 266111 Zhihongtan Reservoir Management Office, Chengyang District, Qingdao City, Shandong Province (Waterworks) Patentee after: Qingdao Yinhuang Jiqing Water Group Co.,Ltd. Address before: 266111 Zhihongtan Reservoir Management Office, Chengyang District, Qingdao City, Shandong Province (Waterworks) Patentee before: QINGDAO YINHUANGJIQING WATER INDUSTRY CO.,LTD. |
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| CP01 | Change in the name or title of a patent holder |