CN219906855U - Lifting device for maintenance of water conservancy pump station unit - Google Patents
Lifting device for maintenance of water conservancy pump station unit Download PDFInfo
- Publication number
- CN219906855U CN219906855U CN202320098307.4U CN202320098307U CN219906855U CN 219906855 U CN219906855 U CN 219906855U CN 202320098307 U CN202320098307 U CN 202320098307U CN 219906855 U CN219906855 U CN 219906855U
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- Prior art keywords
- pump station
- station unit
- plate
- maintenance
- clamping
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 27
- 238000012423 maintenance Methods 0.000 title claims abstract description 18
- 230000009193 crawling Effects 0.000 claims abstract description 5
- 230000000087 stabilizing effect Effects 0.000 claims description 37
- 239000010410 layer Substances 0.000 claims description 18
- 239000011241 protective layer Substances 0.000 claims description 8
- 238000003780 insertion Methods 0.000 claims description 5
- 230000037431 insertion Effects 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims 2
- 238000010168 coupling process Methods 0.000 claims 2
- 238000005859 coupling reaction Methods 0.000 claims 2
- 238000005086 pumping Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 5
- 238000009434 installation Methods 0.000 description 12
- 238000000034 method Methods 0.000 description 12
- 230000009194 climbing Effects 0.000 description 6
- 241000282326 Felis catus Species 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- 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 description 4
- 230000005484 gravity Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000010865 sewage Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
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- Ladders (AREA)
Abstract
The utility model relates to the technical field of maintenance equipment, in particular to a lifting device for maintenance of a water conservancy pump station unit, which comprises a lifting assembly and a crawling ladder, wherein the lifting assembly and the crawling ladder are arranged inside the water conservancy pump station unit. According to the utility model, when the stability of the device is required to be improved, the positioning block is fixed on one side of the outer wall of the device base, the first anti-slip layer increases the friction force of the contact surface, then the first anti-slip layer is driven to be fixed on the other side of the device base by the positioning plate under the action of the elastic force of the positioning spring, so that the insert is inserted into the socket, and the stable base is mounted, wherein toothed lines are uniformly distributed at the bottom of the stable base, so that the friction force of the device base when the device base is contacted with a plane can be increased, the stability of the device in mounting can be improved, and the integral use effect of the device is ensured when the device is convenient and subsequent to operate.
Description
Technical Field
The utility model relates to the technical field of maintenance equipment, in particular to a lifting device for maintenance of a water conservancy pump station unit.
Background
Because of the limitation of the topography and geology of the factory, the lifting pump station is added at the pretreatment position to lift the sewage to a certain height before the sewage can be operated according to the gravity flow method, the lifting device for maintaining the water conservancy pump station unit adopts the gravity flow method, and the lifting device has the function of lifting the sewage from the upstream to the height required by the subsequent treatment unit and then realizing the gravity flow process, thereby being suitable for the pressurized water supply in the areas with more sufficient urban pipe network pressure.
At present, a lifting device for repairing a water conservancy pump station unit is generally used by a unit and a lifting assembly arranged in the unit, and is combined with other structures to be used, wherein a crawling ladder is arranged in the lifting device for repairing, so that the lifting device for repairing the water conservancy pump station unit is convenient to repair, in the process, the lifting device is generally vertically installed in a corresponding area, but the bottom of the lifting device is not provided with a corresponding stable structure, so that the stability of the lifting device during installation cannot be improved, the whole use effect of the lifting device is ensured, and therefore, the lifting device for repairing the water conservancy pump station unit is required to be designed to solve the problems.
Disclosure of Invention
The utility model aims to provide a lifting device for maintaining a water conservancy pump station unit, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the lifting device for the maintenance of the water conservancy pump station unit comprises a lifting assembly and a ladder stand which are arranged in the water conservancy pump station unit, wherein a device base is arranged at the bottom of the water conservancy pump station unit, a ladder plate is arranged in the device base, and a stabilizing mechanism is arranged below the device base;
the stabilizing mechanism comprises a stabilizing bottom pad, an inner groove is formed in the bottom of the base of the device, the stabilizing bottom pad is movably mounted in the inner groove, a positioning block is mounted on one side of the top of the stabilizing bottom pad, a movable groove is formed in the front end of the inside of the stabilizing bottom pad, a movable plate is movably mounted in the movable groove, a positioning spring is arranged between the movable plate and the movable groove, the front end of the movable plate extends to the outer side of the movable groove, a side pressing plate is fixedly connected with a pull handle, a positioning plate is mounted at the upper end of the inner wall of the side pressing plate, an inserting block is fixedly connected with the inner wall of the positioning plate, an inserting opening is formed in the front end of the base of the device, the other end of the inserting block is inserted into the inserting opening, and an anti-slip mechanism is arranged on the ladder plate.
As still further aspects of the utility model: the sliding rail is arranged below the movable groove, a sliding block is connected inside the sliding rail in a sliding mode, and the other end of the sliding block is fixedly connected to the movable plate.
As still further aspects of the utility model: the locating plate inside wall glues there is the second skid resistant course, and the other end and the device base outer wall in the state of laminating each other of second skid resistant course.
As still further aspects of the utility model: the locating rod is installed to the socket inside wall, and the other end joint of locating rod sets up corresponding inslot on the inserted block.
As still further aspects of the utility model: one end of the positioning block, which is close to the device base, is glued with a first anti-slip layer, and the material of the first anti-slip layer is rubber.
As still further aspects of the utility model: the anti-slip mechanism comprises a stabilizing pad, the stabilizing pad is arranged at the upper end of a corresponding ladder plate, a plurality of groups of clamping blocks are glued at the bottom of the stabilizing pad, a plurality of groups of clamping grooves are formed in the top end of the ladder plate, the other ends of the clamping blocks are inserted into the corresponding clamping grooves, clamping balls are glued at the bottom of the inner walls of the clamping grooves, the other ends of the clamping balls are inserted into corresponding grooves formed in the clamping blocks, an arc-shaped block is arranged in the grooves of the clamping blocks, the other ends of the arc-shaped block are inserted into grooves formed in the clamping balls, an assembly plate is arranged at the bottom of the ladder, a pre-inserted block is arranged at the bottom of the assembly plate, the other ends of the pre-inserted block penetrate through the corresponding grooves formed in the base of the water conservancy pump station unit, and the inner parts of the assembly plate are connected into the grooves formed in the water conservancy pump station unit through bolt threads.
As still further aspects of the utility model: the bottom of the assembly plate is glued with a protective layer, and the other end of the protective layer is in a mutually attached state with the bottom of the inner wall of the water conservancy pump station unit.
Compared with the prior art, the utility model has the beneficial effects that:
1. through stable base pad, locating piece and locating plate etc. that set up make when needing to improve stability when placing, the locating piece is fixed to device base outer wall one side, and first non-slip layer increases the frictional force of contact surface, then under the effect of location spring elasticity, it is fixed to the opposite side of device base to drive with the locating plate, make the inserted block insert and establish in the socket, accomplish the installation to stable base pad on this, wherein the tooth form line that stable base pad bottom evenly distributed set up, frictional force when then multiplicable device base and plane contact, when making the junction more firm, also can improve the stability when installing the device, when more convenient follow-up operation, ensure its whole result of use.
2. Through the ladder board, fixture block and draw-in groove etc. that set up make when avoiding the foot to produce the phenomenon of skidding, when improving the security, the ladder board that is equipped with on the cat ladder, at the climbing in-process, insert the fixture block and establish inside the draw-in groove that corresponds, make the card ball insert simultaneously and establish the inside at the fixture block, with accomplish the installation of stabilizing the pad, the arc piece joint is in the inslot of card ball this moment, fix a position the operation to it, the material design that the stabilizing pad is rubber, then at the climbing in-process, the frictional force of multiplicable contact surface, in order to avoid the foot to produce the phenomenon of skidding, improve the security, the cat ladder bottom is provided with the assembly plate simultaneously, pre-insert the piece pre-installation, later pass through bolt threaded connection on the hydraulic pump station with the assembly plate, then be convenient for demolish the bolt, carry out the operation of shifting to cat ladder overall structure.
Drawings
FIG. 1 is a perspective view of the whole structure of the present utility model;
FIG. 2 is a schematic view of the whole bottom perspective structure of the present utility model;
FIG. 3 is a schematic view of the entire side view of the present utility model;
FIG. 4 is a schematic overall view of the front cross-sectional structure of the present utility model;
FIG. 5 is a schematic view of the overall top view of the present utility model;
FIG. 6 is an enlarged schematic view of the structure of FIG. 3A according to the present utility model;
FIG. 7 is an enlarged schematic view of the structure of FIG. 4B according to the present utility model;
fig. 8 is an enlarged schematic view of the structure of fig. 4C according to the present utility model.
In the figure: 1. a water conservancy pump station unit; 101. a lifting assembly; 102. a ladder stand; 103. a device base; 2. stabilizing the base pad; 201. an inner groove; 202. a positioning block; 203. a first anti-slip layer; 204. a movable groove; 205. a movable plate; 206. a positioning spring; 207. a slide rail; 208. a slide block; 209. a side pressure plate; 210. a pull handle; 211. a positioning plate; 212. inserting blocks; 213. a second anti-slip layer; 214. a socket; 215. a positioning rod; 3. a ladder plate; 301. a stabilizing pad; 302. a clamping block; 303. a clamping groove; 304. ball clamping; 305. an arc-shaped block; 306. an assembly plate; 307. pre-inserting blocks; 308. a protective layer; 309. and (5) a bolt.
Detailed Description
Referring to fig. 1 to 8, in an embodiment of the present utility model, a lifting device for repairing a hydraulic pump station unit is provided.
In fig. 1, 2, 3, 4, 5 and 6: the lifting device for the maintenance of the water conservancy pump station unit comprises a lifting assembly 101 and a ladder stand 102 which are arranged in the water conservancy pump station unit 1, wherein a device base 103 is arranged at the bottom of the water conservancy pump station unit 1, a ladder plate 3 is arranged in the device base 103, and a stabilizing mechanism is arranged below the device base 103; the stabilizing mechanism comprises a stabilizing bottom pad 2, an inner groove 201 is formed in the bottom of a device base 103, the stabilizing bottom pad 2 is movably mounted in the inner groove 201, a positioning block 202 is mounted on one side of the top of the stabilizing bottom pad 2, a movable groove 204 is formed in the front end of the inner portion of the stabilizing bottom pad 2, a movable plate 205 is movably mounted in the movable groove 204, a positioning spring 206 is arranged between the movable plate 205 and the movable groove 204, a side pressing plate 209 is mounted outside the movable groove 204 in a manner that the front end of the movable plate 205 extends, a pull handle 210 is fixedly connected to the outer wall of the side pressing plate 209, a positioning plate 211 is mounted at the upper end of the inner wall of the side pressing plate 209, an inserting block 212 is fixedly connected to the inner wall of the positioning plate 211, an inserting hole 214 is formed in the front end of the device base 103, the other end of the inserting block 212 is inserted in the inserting hole 214, and an anti-skid mechanism is arranged on the ladder plate 3; the device pedestal 103 bottom inner groove 201 internally mounted has stable base pad 2, locating piece 202 is fixed to device pedestal 103 outer wall one side, first non-slip layer 203 increases the frictional force of contact surface, then under the effect of positioning spring 206 elasticity, drive with locating plate 211 is fixed to device pedestal 103's opposite side, make insert 212 insert the inside of establishing at socket 214, wherein be in interconnect's state between fly leaf 205, side pressure plate 209 and the locating plate 211, on this, accomplish the installation to stable base pad 2, wherein the tooth form line that stable base pad 2 bottom evenly distributed set up, frictional force when then can increase device pedestal 103 and plane contact, when making the junction more firm, also can improve the stability when installing the device, when later operation convenient, ensure its whole result of use.
In fig. 3 and 6: a sliding rail 207 is arranged below the movable groove 204, a sliding block 208 is connected inside the sliding rail 207 in a sliding way, and the other end of the sliding block 208 is fixedly connected to the movable plate 205; the second anti-slip layer 213 is glued on the inner side wall of the positioning plate 211, and the other end of the second anti-slip layer 213 is in a mutually attached state with the outer wall of the device base 103; the inner side wall of the socket 214 is provided with a positioning rod 215, and the other end of the positioning rod 215 is clamped in a corresponding groove arranged on the insertion block 212; a first anti-slip layer 203 is glued to one end of the positioning block 202, which is close to the device base 103, and the material of the first anti-slip layer 203 is designed by rubber; because the sliding block 208 is slidably connected in the sliding rail 207, the sliding block 208 and the movable plate 205 are integrally structured, when the movable plate 205 moves, the sliding block 208 is driven to slide in the sliding rail 207 in the same direction, so that the stability of the movable plate 205 in the moving process is improved; the second anti-slip layer 213 is made of rubber, and when the positioning plate 211 fixes the side wall of the device base 103, the friction force of the contact surface can be increased, so that the connection position is more stable; after the insert block 212 is installed in the socket 214, the positioning rod 215 is driven to be inserted into a corresponding groove of the insert block 212, and positioning processing is carried out on the insert block 212; the first anti-slip layer 203 is made of rubber, so that the friction force between the contact surface of the positioning block 202 and the ladder 102 can be increased, and the fixing surface of the other end is more stable.
In fig. 4, 7 and 8: the anti-skid mechanism comprises a stabilizing pad 301, the stabilizing pad 301 is arranged at the upper end of a corresponding ladder plate 3, a plurality of groups of clamping blocks 302 are glued at the bottom of the stabilizing pad 301, a plurality of groups of clamping grooves 303 are formed in the inner part of the top end of the ladder plate 3, the other ends of the clamping blocks 302 are inserted into the corresponding clamping grooves 303, clamping balls 304 are glued at the bottom of the inner walls of the clamping grooves 303, the other ends of the clamping balls 304 are inserted into corresponding grooves formed in the clamping blocks 302, an arc-shaped block 305 is arranged in the grooves of the clamping blocks 302, the other ends of the arc-shaped block 305 are inserted into matched grooves formed in the clamping balls 304, an assembly plate 306 is arranged at the bottom of the cat ladder 102, a pre-insertion block 307 is arranged at the bottom of the assembly plate 306, the other ends of the pre-insertion block 307 penetrate through the corresponding grooves formed in the device base 103 of the hydraulic pump station unit 1, and the inner parts of the assembly plate 306 are connected into the grooves formed in the hydraulic pump station unit 1 through bolts 309 in a threaded manner; the bottom of the assembly plate 306 is glued with a protective layer 308, and the other end of the protective layer 308 is in a mutually attached state with the bottom of the inner wall of the water conservancy pump station unit 1; the ladder board 3 is arranged on the ladder 102, in the climbing process, the clamping blocks 302 are inserted into the corresponding clamping grooves 303, so that the clamping balls 304 are simultaneously inserted into the clamping blocks 302 to complete the installation of the stabilizing pad 301, the arc-shaped blocks 305 are clamped into the grooves of the clamping balls 304 to perform positioning operation on the stabilizing pad, the stabilizing pad 301 is made of rubber, in the climbing process, the friction force of a contact surface can be increased to avoid the slipping phenomenon of feet, the safety is improved, meanwhile, the bottom of the ladder 102 is provided with the assembly plate 306, the pre-insertion block 307 is pre-installed, and then the assembly plate 306 is connected onto the water conservancy pump station unit 1 through the screw 309 in a threaded manner, so that the screw 309 is convenient to detach, and the whole structure of the ladder 102 is shifted; the protective layer 308 is made of rubber, so that the wear rate of the contact surface can be reduced.
The working principle of the utility model is as follows: the current lifting device for hydraulic pump station unit maintenance is generally used by a hydraulic pump station unit 1 and a lifting assembly 101 arranged in the hydraulic pump station unit, and then is combined with other structures, wherein a crawling ladder 102 is arranged in the lifting device for convenience in maintenance, in the process, the hydraulic pump station unit 1 and a device base 103 are generally vertically arranged in a corresponding area due to the integral structural design of the hydraulic pump station unit 1, the device base 103 contacts a plane to finish the placing operation, a stable base cushion 2 is only required to be arranged in a groove 201 in the bottom of the device base 103 at the moment, a positioning block 202 arranged at one end of the stable base cushion 2 is used for fixing the outer wall of the device base 103, so that a first anti-skid layer 203 is mutually attached to the device base 103, the first anti-skid layer 203 is made of rubber, the friction force of the contact surface can be increased, and then under the action of a positioning spring 206, the driving and positioning plate 211 fixes the other side of the device base 103, so that the inserting block 212 is inserted into the socket 214 to improve the stability of the connection, wherein the movable plate 205, the side pressing plate 209 and the positioning plate 211 are in a state of being connected with each other, the installation of the stable base 2 is completed, tooth-shaped grains uniformly distributed at the bottom of the stable base 2 can increase the friction force when the device base 103 contacts with a plane, the connection is more stable, the stability of the device during installation can be improved, the overall use effect is ensured during convenient and subsequent operation, if the stable base 2 needs to be removed, only the pull handle 210 is needed to be pulled outwards, the side pressing plate 209 and the positioning plate 211 are driven to move towards one end far away from the device base 103 under the action force, the positioning spring 206 is stretched, and meanwhile, the movable plate 205 moves in the movable groove 204, the insert block 212 is pulled out of the insert hole 214, and the positioning rod 215 is pulled out of the insert block 212 to be clamped, so that the fixing of the device base 103 is released, the distance between the positioning plate 211 and the positioning block 202 is increased, the stable base pad 2 is moved downwards, the whole structure of the stable base pad 2 can be moved to the outside of the inner groove 201, and the stable base pad 2 is separated from the device base 103, so that the convenience of disassembly is realized.
Furthermore, when the ladder 102 arranged in the hydraulic pump station unit 1 is used by a worker during maintenance, the ladder plate 3 arranged on the ladder 102 is arranged in the climbing process, at the moment, through the design of the stabilizing pad 301, the stabilizing pad 301 and the clamping block 302 are in an integrated structural design, the clamping block 302 is inserted into the corresponding clamping groove 303, the clamping ball 304 has certain elasticity, the clamping ball 304 is simultaneously inserted into the clamping block 302 to complete the installation of the stabilizing pad 301, at the moment, the arc-shaped block 305 is clamped in the groove of the clamping ball 304, the positioning operation is performed on the stabilizing pad 301, the stabilizing pad 301 is made of rubber, the friction force of a contact surface can be increased in the climbing process, so that the phenomenon that the foot part slips is avoided, the safety is improved, meanwhile, the bottom of the ladder 102 is provided with the assembly plate 306, the assembly plate 309 is connected onto the hydraulic pump station unit 1 through the screw threads, the bolt 309 is convenient to be removed, the operation of shifting the whole structure of the ladder 102 is performed, and the pre-assembly block 307 arranged at the bottom of the assembly plate 306 is inserted into the corresponding groove when the installation is performed, the pre-assembly plate 307 is convenient for completing the subsequent installation operation of the pre-assembly 309, and the subsequent installation operation is convenient.
The present utility model is not limited to the above-mentioned embodiments, and any person skilled in the art, based on the technical solution of the present utility model and the practical concept thereof, can be replaced or changed equally within the scope of the present utility model.
Claims (7)
1. The lifting device for the maintenance of the water conservancy pump station unit comprises a lifting assembly (101) and a crawling ladder (102) which are arranged inside the water conservancy pump station unit (1), and is characterized in that a device base (103) is arranged at the bottom of the water conservancy pump station unit (1), a ladder plate (3) is arranged inside the device base (103), and a stabilizing mechanism is arranged below the device base (103);
the utility model provides a stable mechanism is including stabilizing collet (2), inner groove (201) has been seted up to device base (103) bottom, and the inside of stabilizing collet (2) movable mounting inner groove (201), locating piece (202) are installed to one side at steady collet (2) top, movable groove (204) have been seted up to the front end of stabilizing collet (2) inside, movable groove (204) internally movable installs fly leaf (205), be provided with positioning spring (206) between fly leaf (205) and movable groove (204), the outside that fly leaf (205) front end extends to movable groove (204) installs lateral pressure board (209), lateral pressure board (209) outer wall rigid coupling has and draws (210), locating plate (211) are installed to the upper end of lateral pressure board (209) inner wall, locating plate (211) inner wall rigid coupling has inserted block (212), socket (214) have been seted up to device base (103) front end, and the other end of inserted and are established in the inside of socket (214), ladder board (3) are provided with anti-skidding mechanism.
2. The lifting device for maintenance of a hydraulic pump station unit according to claim 1, wherein: a sliding rail (207) is arranged below the movable groove (204), a sliding block (208) is connected inside the sliding rail (207) in a sliding mode, and the other end of the sliding block (208) is fixedly connected to the movable plate (205).
3. The lifting device for maintenance of a hydraulic pump station unit according to claim 1, wherein: the inner side wall of the positioning plate (211) is glued with a second anti-slip layer (213), and the other end of the second anti-slip layer (213) is in a mutually attached state with the outer wall of the device base (103).
4. The lifting device for maintenance of a hydraulic pump station unit according to claim 1, wherein: the inner side wall of the socket (214) is provided with a positioning rod (215), and the other end of the positioning rod (215) is clamped in a corresponding groove arranged on the plug block (212).
5. The lifting device for maintenance of a hydraulic pump station unit according to claim 1, wherein: one end of the positioning block (202) close to the device base (103) is glued with a first anti-slip layer (203), and the first anti-slip layer (203) is made of rubber.
6. The lifting device for maintenance of a hydraulic pump station unit according to claim 1, wherein: the anti-skid mechanism comprises a stabilizing pad (301), the stabilizing pad (301) is arranged at the upper end of a corresponding ladder plate (3), a plurality of groups of clamping blocks (302) are glued at the bottom of the stabilizing pad (301), a plurality of groups of clamping grooves (303) are formed in the bottom of the ladder plate (3), the other ends of the clamping blocks (302) are inserted into the corresponding clamping grooves (303), clamping balls (304) are glued at the bottoms of the inner walls of the clamping grooves (303), the other ends of the clamping balls (304) are inserted into corresponding grooves formed in the clamping blocks (302), arc-shaped blocks (305) are arranged in the grooves of the clamping blocks (302), the other ends of the arc-shaped blocks (305) are inserted into the grooves formed in the clamping balls (304), an assembly plate (306) is arranged at the bottom of the ladder plate (102), the other ends of the pre-insertion blocks (307) penetrate through the corresponding grooves formed in the corresponding pumping station base (103), and the assembly plates (306) are connected with screw threads of the pump station (1) through the inner grooves of the screw bolts (309).
7. The lifting device for maintenance of a hydraulic pump station unit according to claim 6, wherein: the bottom of the assembly plate (306) is glued with a protective layer (308), and the other end of the protective layer (308) is in a mutually attached state with the bottom of the inner wall of the water conservancy pump station unit (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320098307.4U CN219906855U (en) | 2023-02-01 | 2023-02-01 | Lifting device for maintenance of water conservancy pump station unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320098307.4U CN219906855U (en) | 2023-02-01 | 2023-02-01 | Lifting device for maintenance of water conservancy pump station unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219906855U true CN219906855U (en) | 2023-10-27 |
Family
ID=88438417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320098307.4U Active CN219906855U (en) | 2023-02-01 | 2023-02-01 | Lifting device for maintenance of water conservancy pump station unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219906855U (en) |
-
2023
- 2023-02-01 CN CN202320098307.4U patent/CN219906855U/en active Active
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