CN214345236U - Intelligent building site dust device - Google Patents
Intelligent building site dust device Download PDFInfo
- Publication number
- CN214345236U CN214345236U CN202023059403.3U CN202023059403U CN214345236U CN 214345236 U CN214345236 U CN 214345236U CN 202023059403 U CN202023059403 U CN 202023059403U CN 214345236 U CN214345236 U CN 214345236U
- Authority
- CN
- China
- Prior art keywords
- storage tank
- control box
- control
- shaped plate
- water storage
- 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.)
- Active
Links
Images
Landscapes
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The utility model discloses an intelligent dust-settling device for construction sites, which comprises a water storage tank, wherein a C-shaped plate is sleeved outside the water storage tank, guide wheels are symmetrically arranged on two sides of the C-shaped plate, a control box is arranged at one end of the C-shaped plate, a threaded rod is rotatably arranged in the control box, a connecting block is in threaded fit on the threaded rod, one end of the connecting block passes through one end of the C-shaped plate and is fixedly connected with the side surface of the water storage tank, a ratchet wheel is sleeved on the outer arc surface of the threaded rod, a supporting rod is fixedly arranged in the control box, a pawl meshed with the ratchet wheel is arranged on the supporting rod, an elastic sheet is fixedly arranged in the control box, one end of the elastic sheet is contacted with the pawl, a control component is arranged outside the control box, the output end of the control component is connected with the pawl, a top cover is arranged at the top of the water storage tank, a spraying component is arranged on the top cover, a driving component is arranged on the side surface of the water storage tank, the utility model has reasonable structure, convenient removal, adaptability is stronger, and is more stable when the reuse.
Description
Technical Field
The utility model relates to a building technical field, in particular to intelligent building site dust device.
Background
Building site, yue language building ground, construction ground, for short ground, is a place where building projects are being developed to carry out civil engineering, and often the scope thereof is closed by coamings, wire netting or enclosing walls, and the access of personnel, materials, machinery and vehicles is limited.
Traditional building site dust collector adopts less guide pulley, and building site topography is complicated, leads to traditional building site dust collector to be comparatively troublesome moving, and stability is relatively poor when using, and inconvenient use provides a solution to below the above problem.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an intelligent building site dust device has the convenient removal, and adaptability is stronger, and more stable advantage when the reuse.
The above technical purpose of the present invention can be achieved by the following technical solutions:
an intelligent dust fall device for a construction site comprises a water storage tank, wherein a C-shaped plate is sleeved outside the water storage tank and is in sliding fit with the water storage tank, guide wheels are symmetrically arranged on two sides of the C-shaped plate, a control box is arranged at one end of the C-shaped plate, a threaded rod is rotatably arranged inside the control box, a connecting block is in threaded fit with the threaded rod, one end of the connecting block penetrates through one end of the C-shaped plate and is fixedly connected with the side face of the water storage tank, a ratchet wheel is sleeved on the outer arc surface of the threaded rod, a supporting rod is fixedly arranged inside the control box, a pawl meshed with the ratchet wheel is arranged on the supporting rod, an elastic sheet is fixedly arranged inside the control box, one end of the elastic sheet is contacted with the pawl, a control assembly is arranged outside the control box, the output end of the control assembly is connected with the pawl, a top cover is arranged at the top of the water storage tank, the top cover is provided with a spraying assembly, the input end of the spraying assembly penetrates through the ejector rod and is located inside the water storage tank, the side face of the water storage tank is provided with a driving assembly, and the driving assembly is in transmission fit with the top cover.
By adopting the technical scheme, when in use, the control box is pushed, the control box pushes the C-shaped plate, the C-shaped plate drives the two guide wheels to roll, so as to drive the water storage tank to move, the sizes of the guide wheels arranged on the two sides are larger, the larger guide wheel can better meet different terrains during movement, the movement is convenient, when the water storage tank is moved to a required place, the control component is stepped down, the control component drives the pawl to rotate, so that the pawl is separated from the ratchet wheel, the ratchet wheel can rotate in two directions, meanwhile, the pawl can compress the elastic sheet during rotation, the elastic sheet generates elastic force, the threaded rod is rotated, the threaded rod is in threaded fit with the connecting block, the connecting block can be driven to move downwards along the threaded rod during rotation of the threaded rod, the connecting block can drive the water storage tank to move downwards, the water storage tank can move downwards until the water storage tank is contacted with the ground, so that the water storage tank falls on the ground, make it more stable at the during operation, loosen the control assembly, the flexure strip drives the pawl and resets, make pawl and ratchet re-engage, spraying the inside water of storage water tank and spouting through spraying the subassembly, thereby remove dust, can drive the top cap through drive assembly and rotate, thereby the top cap drives and sprays the subassembly and rotate, can conveniently spray to a plurality of directions, high durability and convenient use, when needs remove, the antiport threaded rod, the threaded rod drives the connecting block rebound, because the cooperation characteristic of pawl and ratchet, make the ratchet only can unidirectional rotation, need not to separate pawl and ratchet, and the pawl plays the effect of insurance with the ratchet, avoid touching the threaded rod rotation that leads to at the mistake, thereby avoid the storage water tank downstream, and is safer and stable.
As preferred, spray the subassembly and include pole setting, dryer, fan, water pump, shower nozzle, electric putter and connecting rod, the pole setting is fixed on the top cap, the one end normal running fit of dryer and pole setting, the one end inside the dryer is fixed to the fan, the water pump is fixed on the top cap, the input of water pump passes the ejector pin and is located inside the storage water tank, the dryer is passed to the output of water pump, the output fixed connection of shower nozzle and water pump, electric putter fixes on the top cap, connecting rod and electric putter's output fixed connection, the other end of connecting rod and the outer arc face sliding fit of dryer.
Adopt above-mentioned technical scheme, inside water of storage water tank passes through the water pump and enters into the dryer, through the shower nozzle blowout, the shower nozzle makes spun water become water smoke, make dust removal effect more obvious, the fan starts, the fan blows off water smoke, make water smoke can waft farther place, the dust removal scope is bigger, the effect is more obvious, and drive the connecting rod motion through electric putter, drive the dryer through the connecting rod and rotate round the pole setting, thereby adjust the angle of dryer in vertical side, satisfy different demands.
Preferably, the driving assembly comprises a motor, a gear and a rack, the motor is fixed on the side face of the water storage tank, the gear is fixed on the output end of the motor, the rack is attached to the outer arc face of the top cover, and the rack and the gear are meshed with each other.
Adopt above-mentioned technical scheme, the motor starts, and the motor drives the gear and rotates, drives intermeshing's rack rotation during gear revolve, drives the top cap through the rack and rotates, and the top cap drives the pole setting and rotates, and the pole setting drives the dryer and rotates to satisfy the adjustment of dryer each angle on the horizontal direction.
Preferably, the control assembly comprises a bottom plate, a control plate, a first spring and a pull rope, the side face of the bottom plate control box is fixedly connected, the control plate is in running fit with the bottom plate, the first spring is located between the control plate and the bottom plate, two ends of the first spring are fixedly connected with the bottom plate and the control plate respectively, the pull rope penetrates through the side face of the control box, and two ends of the pull rope are fixedly connected with the control plate and the elastic sheet respectively.
By adopting the technical scheme, the control panel is pressed, the pull rope can be pulled by the rotation of the control panel, the pawl can be pulled by the pull rope, and when the control panel rotates, the first spring can be compressed when the control panel rotates due to the fact that the bottom plate is fixed, so that the first spring generates elastic force, and the elastic force of the first spring facilitates the self reset of the control panel.
Preferably, the side surface of the C-shaped plate is symmetrically provided with a limiting groove, a limiting block is arranged in the limiting groove in a sliding mode, and the limiting block is fixedly connected with the side surface of the water storage tank.
Adopt above-mentioned technical scheme, the spacing groove can play limiting displacement to the stopper for the storage water tank is more stable when removing, and the joint between stopper and the spacing groove can avoid C shaped plate and storage water tank separation.
Preferably, the bottom of the water storage tank is fixedly connected with a shock pad, and the bottom of the control box is provided with a supporting wheel.
Adopt above-mentioned technical scheme, the pad of moving away to avoid possible earthquakes adopts rubber for storage water tank bottom when contacting subaerial, can not take place direct collision, has avoided the storage water tank atress to break, plays the cushioning effect, and the supporting wheel has played the supporting role, has avoided the unstability of two guide pulley motions.
Preferably, sliding grooves are symmetrically formed in the outer side face of the C-shaped plate, sliding blocks are arranged inside the sliding grooves and are in running fit with the guide wheels, a second spring is arranged inside the sliding grooves, and two ends of the second spring are fixedly connected with the sliding grooves and the sliding blocks.
By adopting the technical scheme, when the guide wheel moves on uneven ground, the guide wheel drives the sliding block to move, the sliding block moves along the sliding groove, the sliding block can compress the second spring when moving, the second spring generates elastic force, and the second spring plays a role in buffering, so that the water storage tank is more stable when moving, and different environment requirements can be met.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment;
FIG. 2 is a sectional view of a front view of the embodiment;
FIG. 3 is a sectional view of a side view of the embodiment;
fig. 4 is a cross-sectional view of a top view of the control box.
Reference numerals: 1. a water storage tank; 2. a C-shaped plate; 3. a guide wheel; 4. a control box; 5. a threaded rod; 6. connecting blocks; 7. a ratchet wheel; 8. a strut; 9. a pawl; 10. an elastic sheet; 11. a control component; 12. a top cover; 13. a spray assembly; 14. a drive assembly; 15. erecting a rod; 16. an air duct; 17. a fan; 18. a water pump; 19. a spray head; 20. an electric push rod; 21. a connecting rod; 22. a motor; 23. a gear; 24. a rack; 25. a base plate; 26. a control panel; 27. a first spring; 28. pulling a rope; 29. a limiting groove; 30. a limiting block; 31. a shock absorbing pad; 32. a support wheel; 33. a chute; 34. a second spring; 35. a slide block.
Detailed Description
The following is only the preferred embodiment of the present invention, the protection scope is not limited to this embodiment, and all technical solutions belonging to the idea of the present invention should belong to the protection scope of the present invention. It should also be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and such modifications and decorations should also be regarded as the protection scope of the present invention.
As shown in fig. 1 to 4, an intelligent dust-settling device for a construction site comprises a water storage tank 1, a C-shaped plate 2 is sleeved outside the water storage tank 1, the C-shaped plate 2 is in sliding fit with the water storage tank 1, limiting grooves 29 are symmetrically formed in the side surfaces of the C-shaped plate 2, limiting blocks 30 are slidably arranged inside the limiting grooves 29, the limiting blocks 30 are fixedly connected with the side surfaces of the water storage tank 1, the limiting grooves 29 can limit the limiting blocks 30, so that the water storage tank 1 is more stable during movement, the C-shaped plate 2 and the water storage tank 1 can be prevented from being separated due to clamping between the limiting blocks 30 and the limiting grooves 29, guide wheels 3 are symmetrically arranged on two sides of the C-shaped plate 2, sliding grooves 33 are symmetrically formed in the outer side surfaces of the C-shaped plate 2, sliding blocks 35 are arranged inside the sliding grooves 33, the sliding blocks 35 are in rotating fit with the guide wheels 3, two springs 34 are arranged inside the sliding grooves 33, and two ends of the two springs 34 are fixedly connected with the sliding blocks 33 and the sliding blocks 35, one end of the C-shaped plate 2 is provided with the control box 4, the bottom of the control box 4 is provided with the supporting wheel 32, the supporting wheel 32 plays a supporting role, and the instability of the movement of the two guide wheels 3 is avoided.
During the use, push control box 4, control box 4 promotes C shaped plate 2, C shaped plate 2 drives two guide pulleys 3 and rolls, thereby it removes to drive storage water tank 1, the 3 sizes of guide pulley of two side arrangements are great, great guide pulley 3 can be better when the motion satisfy different topography, convenient the removal, guide pulley 3 is when uneven ground motion, guide pulley 3 drives the motion of slider 35, slider 35 is moving along spout 33, and slider 35 can compress spring two 34 when the motion, make spring two 34 produce elasticity, spring two 34 plays the cushioning effect, make storage water tank 1 more steady when the motion, can satisfy different environmental demands.
A threaded rod 5 is rotatably arranged in the control box 4, a connecting block 6 is in threaded fit with the threaded rod 5, one end of the connecting block 6 penetrates through one end of the C-shaped plate 2 to be fixedly connected with the side face of the water storage tank 1, a ratchet 7 is sleeved on the outer arc surface of the threaded rod 5, a support rod 8 is fixedly arranged in the control box 4, a pawl 9 meshed with the ratchet 7 is arranged on the support rod 8, an elastic sheet 10 is fixedly arranged in the control box 4, one end of the elastic sheet 10 is contacted with the pawl 9, a control assembly 11 is arranged outside the control box 4, the control assembly 11 comprises a bottom plate 25, a control plate 26, a first spring 27 and a pull rope 28, the side face of the control box 4 is fixedly connected with the bottom plate 25, the control plate 26 is in rotating fit with the bottom plate 25, the first spring 27 is positioned between the control plate 26 and the bottom plate 25, two ends of the first spring 27 are respectively fixedly connected with the bottom plate 25 and the control plate 26, and the pull rope 28 penetrates through the side face of the control box 4, and both ends of the pulling rope 28 are fixedly connected with the control plate 26 and the elastic sheet 10 respectively.
When the water storage tank 1 moves to a required place, the control board 26 is stepped down, the control board 26 rotates to pull the pull rope 28, the pull rope 28 pulls the pawl 9, and when the control board 26 rotates, the bottom board 25 is fixed, so that the control board 26 rotates to compress the first spring 27, the first spring 27 generates elastic force, the elastic force of the first spring 27 facilitates the control board 26 to reset, the pawl 9 rotates to separate the pawl 9 from the ratchet 7, so that the ratchet 7 can rotate in two directions, meanwhile, the pawl 9 compresses the elastic sheet 10 when rotating, so that the elastic sheet 10 generates elastic force, the threaded rod 5 is rotated, the threaded rod 5 is in threaded fit with the connecting block 6, the threaded rod 5 rotates to drive the connecting block 6 to move downwards along the threaded rod 5, the connecting block 6 moves to drive the water storage tank 1 to move downwards, until the water storage tank 1 is in contact with the ground, so that the water storage tank 1 falls on the ground, 1 bottom fixedly connected with of storage water tank pad 31 of moving away to avoid possible earthquakes, move away to avoid possible direct collision when the pad 31 adoption rubber of moving away to avoid possible earthquakes for 1 bottom of storage water tank is contacting subaerial, has avoided storage water tank 1 atress to break, plays the cushioning effect, makes more stable at the during operation, loosens control assembly 11, and flexure strip 10 drives pawl 9 and resets, makes pawl 9 and ratchet 7 re-mesh.
1 top of storage water tank is provided with top cap 12, be provided with on top cap 12 and spray assembly 13, spray assembly 13 includes pole setting 15, dryer 16, fan 17, water pump 18, shower nozzle 19, electric putter 20 and connecting rod 21, pole setting 15 is fixed on top cap 12, the one end normal running fit of dryer 16 and pole setting 15, fan 17 fixes the inside one end at dryer 16, water pump 18 fixes on top cap 12, the input of water pump 18 passes the ejector pin and is located storage water tank 1 inside, dryer 16 is passed to the output of water pump 18, shower nozzle 19 and the output fixed connection of water pump 18, electric putter 20 fixes on top cap 12, connecting rod 21 and electric putter 20's output fixed connection, the other end of connecting rod 21 and the outer arc face sliding fit of dryer 16.
Inside water of storage water tank 1 enters into dryer 16 through water pump 18, 19 blowout through shower nozzle, shower nozzle 19 makes spun water become water smoke, make the dust removal effect more obvious, fan 17 starts, fan 17 blows off water smoke, make water smoke can waft farther place, the dust removal scope is bigger, the effect is more obvious, and drive connecting rod 21 through electric putter 20 and move, it rotates round pole setting 15 to drive dryer 16 through connecting rod 21, thereby adjust the angle of dryer 16 in vertical side, satisfy different demands.
The side of storage water tank 1 is provided with drive assembly 14, drive assembly 14 and top cap 12 transmission cooperation, and drive assembly 14 includes motor 22, gear 23 and rack 24, and motor 22 fixes on storage water tank 1 side, and gear 23 fixes on the output of motor 22, and rack 24 laminates on the outer arc surface of top cap 12, and rack 24 and gear 23 intermeshing.
When needing to remove, reverse rotation threaded rod 5, threaded rod 5 drives connecting block 6 rebound for ratchet 7 can unidirectional rotation only owing to the cooperation characteristic of pawl 9 and ratchet 7, need not to separate pawl 9 and ratchet 7, and pawl 9 plays the guard action with ratchet 7, avoids touching the threaded rod 5 rotation that leads to at the mistake, thereby avoids storage water tank 1 downstream, and is safer and stable.
Claims (7)
1. The utility model provides an intelligent building site dust device, includes storage water tank (1), its characterized in that, the outside cover of storage water tank (1) is equipped with C shaped plate (2), C shaped plate (2) and storage water tank (1) sliding fit, the bilateral symmetry of C shaped plate (2) is provided with guide pulley (3), the one end of C shaped plate (2) is provided with control box (4), control box (4) inside rotation is provided with threaded rod (5), screw-thread fit has connecting block (6) on threaded rod (5), the one end that C shaped plate (2) were passed to the one end of connecting block (6) and storage water tank (1) side fixed connection, the outer arc face cover of threaded rod (5) is equipped with ratchet (7), control box (4) inside fixed set up branch (8), be provided with pawl (9) with ratchet (7) meshing on branch (8), the utility model discloses a water storage tank, including control box (4), the one end of flexure strip (10) contacts with pawl (9), control box (4) outside is provided with control assembly (11), the output and the pawl (9) of control assembly (11) are connected, storage tank (1) top is provided with top cap (12), be provided with on top cap (12) and spray subassembly (13), the input that sprays subassembly (13) passes the ejector pin and is located storage tank (1) inside, the side of storage tank (1) is provided with drive assembly (14), drive assembly (14) and top cap (12) transmission fit.
2. The intelligent dust falling device for the construction site according to claim 1, wherein the spraying component (13) comprises a vertical rod (15), an air duct (16), a fan (17), a water pump (18), a spray head (19), an electric push rod (20) and a connecting rod (21), the vertical rod (15) is fixed on the top cover (12), the air duct (16) is in running fit with one end of the vertical rod (15), the fan (17) is fixed at one end inside the air duct (16), the water pump (18) is fixed on the top cover (12), the input end of the water pump (18) is positioned inside the water storage tank (1) through the push rod, the output end of the water pump (18) passes through the air duct (16), the spray head (19) is fixedly connected with the output end of the water pump (18), the electric push rod (20) is fixed on the top cover (12), and the connecting rod (21) is fixedly connected with the output end of the electric push rod (20), the other end of the connecting rod (21) is in sliding fit with the outer arc surface of the air duct (16).
3. The intelligent construction site dust falling device is characterized in that the driving assembly (14) comprises a motor (22), a gear (23) and a rack (24), the motor (22) is fixed on the side surface of the water storage tank (1), the gear (23) is fixed on the output end of the motor (22), the rack (24) is attached to the outer arc surface of the top cover (12), and the rack (24) and the gear (23) are meshed with each other.
4. The intelligent construction site dust falling device is characterized in that the control assembly (11) comprises a bottom plate (25), a control plate (26), a first spring (27) and a pull rope (28), wherein the bottom plate (25) is fixedly connected with the side surface of the control box (4), the control plate (26) is in running fit with the bottom plate (25), the first spring (27) is positioned between the control plate (26) and the bottom plate (25), two ends of the first spring (27) are respectively and fixedly connected with the bottom plate (25) and the control plate (26), the pull rope (28) penetrates through the side surface of the control box (4), and two ends of the pull rope (28) are respectively and fixedly connected with the control plate (26) and the elastic sheet (10).
5. The intelligent dust falling device for the building site as claimed in claim 1, wherein a limiting groove (29) is symmetrically formed in the side surface of the C-shaped plate (2), a limiting block (30) is slidably arranged in the limiting groove (29), and the limiting block (30) is fixedly connected with the side surface of the water storage tank (1).
6. The intelligent dust falling device for the construction site according to claim 1, wherein a shock pad (31) is fixedly connected to the bottom of the water storage tank (1), and a support wheel (32) is arranged at the bottom of the control box (4).
7. The intelligent dust falling device for the building site as claimed in claim 1, wherein sliding grooves (33) are symmetrically formed in the outer side surfaces of the C-shaped plates (2), sliding blocks (35) are arranged inside the sliding grooves (33), the sliding blocks (35) are in running fit with the guide wheels (3), second springs (34) are arranged inside the sliding grooves (33), and two ends of the second springs (34) are fixedly connected with the sliding grooves (33) and the sliding blocks (35).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023059403.3U CN214345236U (en) | 2020-12-16 | 2020-12-16 | Intelligent building site dust device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023059403.3U CN214345236U (en) | 2020-12-16 | 2020-12-16 | Intelligent building site dust device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214345236U true CN214345236U (en) | 2021-10-08 |
Family
ID=77986927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023059403.3U Active CN214345236U (en) | 2020-12-16 | 2020-12-16 | Intelligent building site dust device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214345236U (en) |
-
2020
- 2020-12-16 CN CN202023059403.3U patent/CN214345236U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110671670A (en) | Solar monitoring street lamp | |
| CN111456476B (en) | Curtain self-walking cleaning device | |
| CN214345236U (en) | Intelligent building site dust device | |
| CN111329409A (en) | Marble wall belt cleaning device | |
| CN112647700A (en) | Building construction is with high building construction protector that has anti-shake structure | |
| CN116586345A (en) | Cardboard surface cleaning equipment for carton production | |
| CN214587765U (en) | Spliced screen convenient for storing and displaying connecting wires | |
| CN214243365U (en) | Elevator cable safety uses protector | |
| CN112240525B (en) | Street lamp capable of automatically opening photovoltaic panel | |
| CN107504341A (en) | A kind of digital television devices intelligent Supports Made with air bag | |
| CN112908008A (en) | Good removal traffic signal lamp of stability | |
| CN213742201U (en) | Operation and maintenance platform convenient for tool lifting and conveying | |
| CN211690154U (en) | Dust fall equipment for construction | |
| CN211844913U (en) | Railway coal transportation sprinkler | |
| CN208866005U (en) | A kind of dust-extraction unit in 3D printer | |
| CN208442203U (en) | A kind of municipal cleaner of the construction processes with decrease of noise functions | |
| CN209255331U (en) | A kind of cleaning device of graphite equipment | |
| CN213494478U (en) | Protection paint spraying device is used in production of weight piece | |
| CN216142237U (en) | Flexible ejection mechanism of activity wall | |
| CN215886830U (en) | High-efficient fibre-forming mechanism of rock wool fuse-element | |
| CN218177746U (en) | Locking type linear guide rail with roller skating structure | |
| CN217062976U (en) | Small-size block terminal of fixed use easy to assemble | |
| CN221779146U (en) | Swimming pool cleaning robot | |
| CN213539642U (en) | Scaffold for building construction | |
| CN216501389U (en) | Dust collector of PVC material processing coating machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220506 Address after: 311400 room 808, 8th floor, Pioneer Park, No. 198, Gaoke Road, Fuchun street, Fuyang District, Hangzhou, Zhejiang Patentee after: Hangzhou matrix Communication Engineering Co.,Ltd. Address before: 311400 room 807-1, 8th floor, Pioneer Park, No. 198, Gaoke Road, Fuchun street, Fuyang District, Hangzhou, Zhejiang Patentee before: Hangzhou Fuyang matrix communication equipment Co.,Ltd. |
|
| TR01 | Transfer of patent right |