CN215629821U - Side-pushing gathering mechanism for water cleaning robot - Google Patents
Side-pushing gathering mechanism for water cleaning robot Download PDFInfo
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- CN215629821U CN215629821U CN202121305574.1U CN202121305574U CN215629821U CN 215629821 U CN215629821 U CN 215629821U CN 202121305574 U CN202121305574 U CN 202121305574U CN 215629821 U CN215629821 U CN 215629821U
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- 238000004140 cleaning Methods 0.000 title claims abstract description 46
- 230000007246 mechanism Effects 0.000 title claims abstract description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 34
- 239000000463 material Substances 0.000 claims abstract description 71
- 238000005452 bending Methods 0.000 claims abstract description 49
- 238000010030 laminating Methods 0.000 claims description 12
- 230000007704 transition Effects 0.000 claims description 12
- 230000003014 reinforcing effect Effects 0.000 claims description 10
- 239000004677 Nylon Substances 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 claims description 3
- 229920000642 polymer Polymers 0.000 abstract description 9
- 230000009471 action Effects 0.000 abstract description 6
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 3
- 230000010354 integration Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 241000700605 Viruses Species 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000003183 carcinogenic agent Substances 0.000 description 1
- 231100000739 chronic poisoning Toxicity 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229920005570 flexible polymer Polymers 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 230000002458 infectious effect Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of cleaning of overwater garbage, in particular to a side-pushing gathering mechanism for an overwater cleaning robot, which comprises two gathering units which are symmetrical to each other; the material gathering unit comprises a bendable material gathering baffle and a track assembly; the rail assembly comprises an upper bending rail and a lower bending rail which are arranged in parallel, and the upper side and the lower side of the bendable material gathering baffle are respectively connected with the upper bending rail and the lower bending rail in a sliding manner; and the power assembly used for enabling the bendable polymer baffle to slide along the track assembly is arranged on the track assembly. According to the technical scheme, the action radian of the material gathering baffle is small during use, and the water resistance which needs to be overcome by the material gathering baffle can be reduced to the maximum extent, so that the energy consumption can be reduced to the maximum extent, the fatigue wear of a power assembly is slowed down as much as possible, the service life of the material gathering mechanism is prolonged, and the later maintenance cost is reduced.
Description
Technical Field
The utility model relates to the technical field of cleaning of overwater garbage, in particular to a side pushing and gathering mechanism for an overwater cleaning robot.
Background
In recent years, with the acceleration of economic development and urbanization process of China, water resource pollution is increasingly serious, not only is the ecological system of the urban river damaged, but also the health of urban residents is harmed, and in the process of manually cleaning river garbage, infectious viruses and chemical carcinogens are easy to contact, chronic poisoning and the like can also occur, so that the work of sanitation workers can be said to be distressing. The appearance of mechanical fishing equipment (especially rubbish fishing robot on water) has replaced traditional manual work gradually and has salvaged, because most river channels broad, the surface of water floater is comparatively dispersed, therefore, in order to improve fishing efficiency, generally can set up rubbish interception mechanism at the front end of mechanical fishing equipment, but current rubbish interception mechanism is low with mechanical fishing equipment's cooperation effect, can not be according to the velocity of water regulation interception angle in river channel, make mechanical fishing equipment's action obstructed, consequently, it is not high to the promotion effect of salvaging efficiency, and mechanical fishing equipment's energy consumption has been increased.
Based on the problems, the utility model patent with the publication number of CN212926012U in the prior art discloses a special material gathering device for water garbage salvage equipment, which comprises a garbage interception mechanism and a supporting frame for installing the garbage interception mechanism; two ends of the supporting frame are respectively provided with a garbage intercepting mechanism; the garbage intercepting mechanism comprises an angle adjusting unit and a material gathering baffle arranged on the angle adjusting unit, and the angle adjusting unit is arranged on the supporting frame and used for adjusting the extending angle of the material gathering baffle. This technical scheme simple structure, use are convenient, and two rubbish interception mechanisms mutually support, effectively realize the interception of river surface rubbish, improve river surface rubbish and salvage efficiency, utilize the support frame as the installation basis of rubbish interception mechanism, make this technical scheme have that installation stability is good, characteristics that the integration degree is high, only need through the support frame with mechanical fishing equipment be connected can, not only simple to operate, and connection structure is stable. The structure has the following defects:
1) the opening and closing of the material gathering baffle are controlled by adopting a rotary control structure, the structure has large water resistance which needs to be overcome during the opening and closing of the material gathering baffle, not only consumes energy, but also easily causes fatigue wear of a driving motor, influences the service life of the material gathering mechanism and has large later maintenance cost;
2) gather the action radian of material baffle big, can lead to having great fluctuation on the surface of water, lead to gathering the in-process that the material baffle was opened, can push away around rubbish, increase the work degree of difficulty in later stage.
Disclosure of Invention
To the not enough of above-mentioned prior art, this technical scheme provides a side pushes away gathers material mechanism that cleaning robot used on water, through melting into slide rail technique, reduces the action radian that gathers the material baffle, through having replaced current rotatory mode of opening and shutting with the mode of exhibition motion, furthest's reduction gather the water resistance that the material baffle needs overcome.
The method is realized by the following technical scheme:
a side-push gathering mechanism for an overwater cleaning robot comprises two gathering units which are symmetrical with each other; the material gathering unit comprises a bendable material gathering baffle and a track assembly; the rail assembly comprises an upper bending rail and a lower bending rail which are arranged in parallel, and the upper side and the lower side of the bendable material gathering baffle are respectively connected with the upper bending rail and the lower bending rail in a sliding manner; and the power assembly used for enabling the bendable polymer baffle to slide along the track assembly is arranged on the track assembly.
Preferably, the upper bending track and the lower bending track comprise a floating body side surface attaching section, a floating body front end attaching section and a baffle extending section which are sequentially connected in a seamless mode, the floating body side surface attaching section and the floating body front end attaching section are in smooth transition, and the floating body front end attaching section and the baffle extending section are in smooth transition. Wherein, the floating body is a structure playing a role of floating in the cleaning robot.
Preferably, the smooth transition positions of the floating body side surface attaching section and the floating body front end attaching section and the smooth transition positions of the floating body front end attaching section and the baffle extending section are provided with curved surface reinforcing plates, and the upper end and the lower end of each curved surface reinforcing plate are fixedly connected with the upper bending track and the lower bending track respectively.
Preferably, a plurality of connecting pieces are arranged on the upper bending track and the lower bending track at intervals respectively.
Preferably, the power assembly comprises a driving motor, a gear and a rack; the power motor is fixedly connected with the upper bending track or the lower bending track, and the rack is parallel to the upper bending track and is fixedly connected with the bendable material gathering baffle; the gears are meshed with each other and are coaxially and fixedly connected with a rotating shaft of the driving motor.
Preferably, the power assembly comprises an electric push rod, a push rod bracket and a baffle bracket; the both ends of push rod support respectively with last track and the track fixed connection that bends down, baffle support and flexible gathering baffle fixed connection, electric putter's both ends respectively with push rod support and baffle leg joint.
Preferably, the bendable polymer baffle is a nylon baffle or a tetrafluoroethylene baffle.
Compared with the prior art, the technical scheme has the following advantages:
1) compared with the rotary opening and closing mode, the technical scheme has the advantages that the action radian of the bendable material gathering baffle is small during use, and water resistance to be overcome by the bendable material gathering baffle can be reduced to the maximum extent, so that energy consumption can be reduced to the maximum extent, fatigue wear of a power assembly is slowed down as much as possible, the service life of the material gathering mechanism is prolonged, and later maintenance cost is reduced; in addition, the technical scheme adopts the matching structure of the track assembly, the bendable material gathering baffle and the power assembly, and the structure is simple and ingenious, and is easy to install and use.
2) This technical scheme provides the last track of buckling and the track of buckling down of an optimal selection structure to control flexible gathering material baffle motion path, satisfied the extension demand of flexible gathering material baffle. The side surface attaching section of the floating body is arranged, so that a sufficient mounting area (the contact area with the water cleaning robot) is provided, the stability and the reliability of the mounting mechanism are ensured, and meanwhile, a sufficient accommodating space is provided for the bendable polymer baffle to be retracted; the bendable material gathering baffle can be stretched along the side front of the overwater cleaning robot by arranging the baffle extending section; the feeding dead zone is eliminated by arranging the floating body front end attaching section. In conclusion, the technical scheme has a good material gathering effect, and lays a good foundation for high-quality and high-efficiency work of the water cleaning robot.
3) Through setting up the curved surface reinforcing plate, increased this technical scheme's integration degree, further increased the stability of structure.
4) Through setting up the connection piece, make this technical scheme installed the use more easily.
Drawings
The foregoing and following detailed description of the utility model will be apparent when read in conjunction with the following drawings, in which:
FIG. 1 is a schematic structural diagram of the present technical solution in a use state;
FIG. 2 is a schematic structural view of a polymer unit in a preferred embodiment of the present invention;
FIG. 3 is a schematic structural view of a polymer unit according to another preferred embodiment of the present invention;
in the figure:
1. a bendable material gathering baffle; 2. an upper bending rail; 3. bending the rail downwards; 3.1, attaching a section on the side surface of the floating body; 3.2, a fitting section at the front end of the floating body; 3.3, a baffle extending section; 4. a power assembly; 4.1, driving a motor; 4.2, gears; 4.3, a rack; 4.4, an electric push rod; 4.5, a push rod bracket; 4.6, a baffle bracket; 5. a curved surface reinforcing plate; 6 connecting pieces.
Detailed Description
The technical solutions for achieving the objects of the present invention are further illustrated by the following specific examples, and it should be noted that the technical solutions claimed in the present invention include, but are not limited to, the following examples.
Example 1
The utility model discloses a side-pushing gathering mechanism for a water cleaning robot, which is a basic embodiment of the utility model and comprises two gathering units which are symmetrical with each other, as shown in figure 1; the material gathering unit comprises a bendable material gathering baffle 1 and a track assembly; the rail assembly comprises an upper bending rail 2 and a lower bending rail 3 which are arranged in parallel, and the upper side and the lower side of the bendable material gathering baffle 1 are respectively connected with the upper bending rail 2 and the lower bending rail 3 in a sliding manner; the track assembly is provided with a power assembly 4 for sliding the flexible polymer material barrier 1 along the track assembly.
In practical use, the two material gathering units are respectively arranged on two sides of the overwater cleaning robot, then the power assembly 4 is electrically connected into an electrical control system of the overwater cleaning robot, the overwater cleaning robot controls the power assembly 4 to be electrified according to the working state, and the bendable material gathering baffle plate 1 is further controlled to slide forwards (corresponding to the front of the overwater cleaning robot) or backwards (corresponding to the back of the overwater cleaning robot) along the track assembly, so that the folding and unfolding of the bendable material gathering baffle plate 1 are realized. Compared with the rotary opening and closing mode, the technical scheme has the advantages that the action radian of the bendable material gathering baffle 1 is small during use, and the water resistance of the bendable material gathering baffle 1 to be overcome can be reduced to the maximum extent, so that the energy consumption can be reduced to the maximum extent, the fatigue wear of the power component 4 is slowed down as much as possible, the service life of the material gathering mechanism is prolonged, and the later maintenance cost is reduced; in addition, the technical scheme adopts a matching structure of the track component, the bendable material gathering baffle 1 and the power component 4, and the structure is simple and ingenious, and is easy to install and use.
Example 2
The utility model discloses a side-pushing gathering mechanism for an overwater cleaning robot, which is a basic implementation scheme of the utility model, namely in embodiment 1, in order to realize garbage gathering, two bendable gathering baffle plates 1 of two gathering units need to extend towards two sides of the overwater cleaning robot, so that an upper bent track 2 and a lower bent track 3 at least comprise a floating body side surface attaching section 3.1 and a baffle plate extending section 3.3, the floating body side surface attaching section 3.1 is used for being fixedly connected with the overwater cleaning robot, and the baffle plate extending section 3.3 is used for enabling the bendable gathering baffle plates 1 to extend towards the side front of the overwater cleaning robot. Because the both sides of the feed inlet of robot cleaner on water still have the feeding dead angle (the whole width in robot cleaner front side is greater than the feed inlet width and the feeding dead angle that forms promptly), if only have body side laminating section 3.1 and baffle extension 3.3, can't overcome the poor defect of gathering the material effect that the feeding dead angle caused, therefore, still need set up one section body front end laminating section 3.2 that is used for eliminating the feeding dead zone, as shown in fig. 2 promptly, upward bend track 2 and lower bend track 3 all include body side laminating section 3.1 of seamless connection in proper order, body front end laminating section 3.2 and baffle extension 3.3, and smooth transition between body side laminating section 3.1 and body front end laminating section 3.2, smooth transition between body front end laminating section 3.2 and the baffle extension 3.3, in order to ensure that flexible material baffle 1 slides smoothly.
This technical scheme provides the upper bend track 2 and the lower bend track 3 of a preferred structure to control flexible gathering baffle 1 motion path, satisfied the extension demand of flexible gathering baffle 1. The floating body side surface attaching section 3.1 is arranged, so that a sufficient mounting area (a contact area with a water cleaning robot) is provided, the stability and reliability of the mounting mechanism are ensured, and meanwhile, a sufficient accommodating space is provided for the bendable material gathering baffle 1 to be retracted; the bendable material gathering baffle plate 1 can be stretched along the side front of the overwater cleaning robot by arranging the baffle plate extension section 3.3; the feeding dead zone is eliminated by arranging the floating body front end attaching section 3.2. In conclusion, the technical scheme has a good material gathering effect, and lays a good foundation for high-quality and high-efficiency work of the water cleaning robot.
Example 3
The utility model discloses a side-pushing gathering mechanism for a water cleaning robot, which is used as a basic implementation scheme of the utility model, that is, in embodiment 2, in order to overcome the resistance of water to ensure the material gathering effect, the bendable material gathering baffle 1 needs to have a certain strength, therefore, after the bendable material gathering baffle 1 is bent based on the structure of the upper bending rail 2 and the lower bending rail 3, will generate a counterforce to the upper bending track 2 and the lower bending track 3, in order to avoid the deformation and even fracture of the upper bending track 2 and the lower bending track 3 under the long-term action of the counterforce, the corresponding position needs to be reinforced, namely, as shown in fig. 2, the smooth transition of the floating body side surface attaching section 3.1 and the floating body front end attaching section 3.2 and the smooth transition of the floating body front end attaching section 3.2 and the baffle extending section 3.3 are provided with curved surface reinforcing plates 5, and the upper and lower ends of the curved surface reinforcing plates 5 are respectively fixedly connected with the upper bending track 2 and the lower bending track 3.
Further, the curved surface reinforcing plate 5 can be a two-layer structure parallel to each other, the two-layer structure is respectively an inner side plate and an outer side plate, and the bendable material gathering baffle 1 is positioned between the inner side plate and the outer side plate.
This embodiment has increased this technical scheme's integration degree through setting up curved surface reinforcing plate 5, has further increased the stability of structure.
Example 4
The utility model discloses a side-pushing gathering mechanism for an overwater cleaning robot, which is a basic implementation scheme of the utility model, namely in embodiment 1, in the practical application, an upper bent track and a lower bent track 3 can be directly welded on a floating body of the overwater cleaning robot, but the mode is easy to deform the upper bent track and the lower bent track 3, the sliding water conservancy of a bendable gathering baffle plate 1 is influenced, the installation and the erection are troublesome, and the engineering quantity is large. Therefore, as shown in fig. 2, a plurality of connecting pieces 6 are respectively arranged on the upper bent track 2 and the lower bent track 3 at intervals, and the upper bent track 2 and the lower bent track 3 can be fixed by welding the connecting pieces 6 on a floating body of the overwater cleaning robot; or a connecting hole can be arranged on the connecting sheet 6, and the connecting sheet 6 is fixed on a floating body of the overwater cleaning robot by utilizing a connecting piece (such as a screw, a rivet, a bolt and the like) so as to realize the fixation of the upper bending track 2 and the lower bending track 3.
This embodiment makes this technical scheme be installed and use more easily through setting up connection piece 6.
Example 5
The utility model discloses a side-pushing gathering mechanism for a water cleaning robot, which is used as a basic implementation scheme of the utility model, namely in an embodiment 1, a power assembly 4 comprises a driving motor 4.1, a gear 4.2 and a rack 4.3; the power motor is fixedly connected with the upper bending track 2 or the lower bending track 3, and the rack 4.3 is parallel to the upper bending track 2 and is fixedly connected with the bendable material gathering baffle 1; the gears 4.2 are mutually meshed and are coaxially and fixedly connected with a rotating shaft of the driving motor 4.1. In practical application, in order to ensure structural stability, a motor base can be added, a driving motor 4.1 is fixedly connected with a floating body of the overwater cleaning robot through the motor base, when the bendable polymer baffle plate 1 is controlled to slide along a rail component, specifically, the driving motor 4.1 is started through an electric control system of the overwater cleaning robot, when a rotating shaft of the driving motor 4.1 rotates forwards, a rack 4.3 moves forwards (corresponding to the front side of the cleaning robot) along with the rotation of a gear 4.2, the bendable polymer baffle plate 1 is further driven to move forwards along the rail component, namely, the bendable polymer baffle plate 1 extends; when the driving motor 4.1 rotates reversely, the gear 4.2 moves backwards (corresponding to the rear side of the cleaning robot), and the flexible material gathering baffle 1 is further driven to move backwards along the track assembly, that is, the flexible material gathering baffle 1 is retracted.
Example 6
The utility model discloses a side-pushing gathering mechanism for a water cleaning robot, which is a basic implementation scheme of the utility model, namely in an embodiment 1, as shown in figure 3, a power assembly 4 comprises an electric push rod 4.4, a push rod bracket 4.5 and a baffle bracket 4.6; the both ends of push rod support 4.5 respectively with last bend track 2 with bend 3 fixed connection of bend down, baffle support 4.6 gathers material baffle 1 fixed connection with the flexible, the both ends of electric putter 4.4 are connected with push rod support 4.5 and baffle support 4.6 respectively. In practical application, specifically, the electric control system of the overwater cleaning robot controls the electric push rod 4.4 to actuate, namely, when the electric push rod 4.4 extends, the baffle bracket 4.6 is pushed, and the bendable material gathering baffle 1 is further driven to move forwards along the track assembly, namely, the bendable material gathering baffle 1 extends; when the driving electric push rod 4.4 is shortened, the flexible material gathering baffle 1 is further driven to move backwards along the track assembly along with the rotation of the gear 4.2 (corresponding to the rear side of the cleaning robot), namely, the flexible material gathering baffle 1 is retracted.
Example 7 of real time
The utility model discloses a side-push gathering mechanism for a water cleaning robot, which is used as a basic implementation scheme of the utility model, namely in embodiment 1, a bendable gathering baffle 1 is a nylon baffle or a tetrafluoroethylene baffle, the material is convenient to obtain, the cost is low, the bendable gathering mechanism not only meets bendable conditions, but also meets the strength condition for overcoming water resistance.
Claims (7)
1. The utility model provides a material mechanism is gathered in side promotion that robot cleaner on water used which characterized in that: comprises two mutually symmetrical material gathering units; the gathering unit comprises a bendable gathering baffle (1) and a track assembly; the rail assembly comprises an upper bending rail (2) and a lower bending rail (3) which are arranged in parallel, and the upper side and the lower side of the bendable material gathering baffle (1) are respectively connected with the upper bending rail (2) and the lower bending rail (3) in a sliding manner; the track assembly is provided with a power assembly (4) for enabling the bendable material gathering baffle (1) to slide along the track assembly.
2. The side-pushing material gathering mechanism for the water cleaning robot as claimed in claim 1, wherein: go up bent track (2) and bent track (3) down and all include seamless connection's body side laminating section (3.1), body front end laminating section (3.2) and baffle extension section (3.3) in proper order, and smooth transition between body side laminating section (3.1) and body front end laminating section (3.2), smooth transition between body front end laminating section (3.2) and baffle extension section (3.3).
3. The side-pushing material gathering mechanism for the water cleaning robot as claimed in claim 2, wherein: smooth transition positions of the floating body side surface attaching section (3.1) and the floating body front end attaching section (3.2) and smooth transition positions of the floating body front end attaching section (3.2) and the baffle extending section (3.3) are provided with curved surface reinforcing plates (5), and the upper end and the lower end of each curved surface reinforcing plate (5) are fixedly connected with the upper bending track (2) and the lower bending track (3) respectively.
4. The side-pushing material gathering mechanism for the water cleaning robot as claimed in claim 1, wherein: a plurality of connecting sheets (6) are respectively arranged on the upper bending rail (2) and the lower bending rail (3) at intervals.
5. The side-pushing material gathering mechanism for the water cleaning robot as claimed in claim 1, wherein: the power assembly (4) comprises a driving motor (4.1), a gear (4.2) and a rack (4.3); the power motor is fixedly connected with the upper bending track (2) or the lower bending track (3), and the rack (4.3) is parallel to the upper bending track (2) and is fixedly connected with the bendable material gathering baffle (1); the gears (4.2) are meshed with each other and are coaxially and fixedly connected with a rotating shaft of the driving motor (4.1).
6. The side-pushing material gathering mechanism for the water cleaning robot as claimed in claim 1, wherein: the power assembly (4) comprises an electric push rod (4.4), a push rod bracket (4.5) and a baffle bracket (4.6); the two ends of the push rod support (4.5) are respectively fixedly connected with the upper bending track (2) and the lower bending track (3), the baffle plate support (4.6) is fixedly connected with the bendable material gathering baffle plate (1), and the two ends of the electric push rod (4.4) are respectively connected with the push rod support (4.5) and the baffle plate support (4.6).
7. The side-pushing material gathering mechanism for the water cleaning robot as claimed in claim 1, wherein: the bendable material gathering baffle (1) is a nylon baffle or a tetrafluoroethylene baffle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121305574.1U CN215629821U (en) | 2021-06-11 | 2021-06-11 | Side-pushing gathering mechanism for water cleaning robot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121305574.1U CN215629821U (en) | 2021-06-11 | 2021-06-11 | Side-pushing gathering mechanism for water cleaning robot |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215629821U true CN215629821U (en) | 2022-01-25 |
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ID=79942654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121305574.1U Active CN215629821U (en) | 2021-06-11 | 2021-06-11 | Side-pushing gathering mechanism for water cleaning robot |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215629821U (en) |
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2021
- 2021-06-11 CN CN202121305574.1U patent/CN215629821U/en active Active
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| CP03 | Change of name, title or address |
Address after: No. 398, Yanshan Road, Deyang economic and Technological Development Zone, Sichuan Province 618000 Patentee after: Dongfang Water Conservancy Intelligent Technology Co.,Ltd. Country or region after: China Address before: No. 398, Yanshan Road, Deyang economic and Technological Development Zone, Sichuan Province 618000 Patentee before: Sichuan Dongfang Water Conservancy Intelligent Equipment Engineering Co.,Ltd. Country or region before: China |