CN218223051U - Oil spraying device for automobile shock absorber - Google Patents

Oil spraying device for automobile shock absorber Download PDF

Info

Publication number
CN218223051U
CN218223051U CN202222248616.3U CN202222248616U CN218223051U CN 218223051 U CN218223051 U CN 218223051U CN 202222248616 U CN202222248616 U CN 202222248616U CN 218223051 U CN218223051 U CN 218223051U
Authority
CN
China
Prior art keywords
wall
shock absorber
box
spraying device
box body
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
Application number
CN202222248616.3U
Other languages
Chinese (zh)
Inventor
尹新权
杜遥
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Lanzhou Institute of Technology
Original Assignee
Lanzhou Institute of Technology
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Lanzhou Institute of Technology filed Critical Lanzhou Institute of Technology
Priority to CN202222248616.3U priority Critical patent/CN218223051U/en
Application granted granted Critical
Publication of CN218223051U publication Critical patent/CN218223051U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Details Or Accessories Of Spraying Plant Or Apparatus (AREA)

Abstract

The utility model discloses a fluid spraying device for automobile shock absorber ware relates to automobile shock absorber ware technical field, the power distribution box comprises a box body, box top outer wall is provided with the protection casing, protection casing outer wall slidable mounting has the chamber door, the chamber door outer wall is provided with the observation window, protection casing top outer wall is opened there is the hole that the equidistance distributes, the welding of box top outer wall one end has the installation pole, the inside regulation structure that is provided with of installation pole, box top outer wall is provided with the filler, the apron is installed to the filler. The utility model discloses its advantage lies in can fixing not unidimensional bumper shock absorber as required, and the practicality is stronger, and does not need manual operation at the spraying in-process, prevents that the fluid of spraying from being influenced healthily by human body suction.

Description

Oil spraying device for automobile shock absorber
Technical Field
The utility model relates to an automobile shock absorber ware technical field especially relates to a fluid spraying device for automobile shock absorber ware.
Background
With the improvement of the social and economic level and the living standard of people, an automobile becomes one of the necessary transportation tools in daily life, the automobile is assembled by a plurality of parts, wherein a shock absorber is one of the most important parts of the automobile and is closely related to the comfort of the automobile, and the automobile shock absorber is a component for rapidly attenuating the vibration of a frame and an automobile body and improving the smoothness and the comfort of the automobile in driving. When the automobile shock absorber is processed, the outer surface of the automobile shock absorber needs to be sprayed with rust-proof oil or rust-proof liquid to perform rust-proof treatment, so as to improve the rust-proof and corrosion-resistant properties of the automobile shock absorber, and such operation is generally performed by a spraying device.
Most of the prior oil spraying devices have the following problems:
1. the existing spraying device can only position the automobile shock absorber cylinder with fixed size, but cannot flexibly position the automobile shock absorber cylinder according to the size of the automobile shock absorber cylinder, so that the application range is greatly limited, and inconvenience is brought to a user;
2. the existing spraying device is used for spraying the shock absorber through manual operation after the shock absorber is fixed, the spraying error is large, the spraying uniformity is poor, and meanwhile, the spraying oil is sucked by an operator to influence the health of the operator.
Therefore, an oil spraying device for an automobile shock absorber is provided to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a fluid spraying device for an automobile shock absorber. Its advantage lies in can fixing not unidimensional bumper shock absorber as required, and the practicality is stronger, and does not need manual operation at the spraying in-process, prevents that the fluid of spraying from being influenced healthily by human suction.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides an oil spraying device for automobile shock absorber ware, includes the box, box top outer wall is provided with the protection casing, protection casing outer wall slidable mounting has the chamber door, the chamber door outer wall is provided with the observation window, the hole that has the equidistance to distribute is opened to protection casing top outer wall, the welding of box top outer wall one end has the installation pole, the inside regulation structure that is provided with of installation pole, box top outer wall is provided with the filler, the apron is installed to the filler.
The utility model discloses further set up to, adjustment mechanism installs in the threaded rod of adjustment tank inner wall, set up in the inside drive groove of installation pole, install in the first servo motor of drive inslot wall including seting up in the adjustment tank of installation pole inner wall, rotating, first servo motor's output shaft and threaded rod are connected.
The utility model discloses further set up to, the threaded rod outer wall is rotated through the screw thread and is installed the dead lever, dead lever outer wall connection has the spray frame, the spray frame outer wall is provided with the shower nozzle that the equidistance distributes, box top outer wall is provided with the conveyer pipe that lets in the bottom half, the force pump is installed to the conveyer pipe outer wall, the conveyer pipe top is provided with the coupling hose who is connected with the spray frame bottom, the protection casing is close to spray frame one side outer wall and sets up the shifting chute with spray frame looks adaptation.
The utility model discloses further set up to, protection casing top outer wall rotates and installs the rolling disc, electric telescopic handle is installed through the bolt to rolling disc bottom outer wall, second servo motor is installed through the bolt to protection casing top outer wall, second servo motor's output shaft and rolling disc are connected.
The utility model discloses further set up to, the terminal welding of electric telescopic handle has the fixed disk, box top outer wall rotates installs the supporting disk, supporting disk and fixed disk looks adaptation, the fixed slot has all been seted up with the fixed disk bottom at the supporting disk top, supporting disk top outer wall all is provided with the slipmat with fixed disk bottom outer wall, the slipmat respectively with fixed disk, supporting disk looks adaptation, the protection network is installed to box top outer wall, protection network and supporting disk looks adaptation.
The utility model discloses further set up to, the welding of box top inner wall intermediate position has the mounting panel, slidable mounting has the filter screen case between mounting panel and the box inner wall, the slot with filter screen case looks adaptation is seted up to the box outer wall.
The utility model discloses further set up to, the box is close to protection casing one side welding and has the stoving case, stoving case outer wall installs the intake pipe, the aspiration pump is installed to the intake pipe, stoving incasement wall is close to intake pipe one side slip grafting and has the adsorption net box, stoving incasement wall is provided with opens the electric plate who has the bleeder vent, stoving roof portion outer wall is provided with the connecting pipe that lets in the protection casing.
The utility model has the advantages that:
1. this kind of fluid spraying device for automobile shock absorber ware, put into the protection casing with the bumper shock absorber, put the bottom of bumper shock absorber on the supporting disk, electric telescopic handle drive fixed disk descends after that, extrude the bumper shock absorber through the fixed disk, fix the bumper shock absorber, be convenient for fix not unidimensional bumper shock absorber, therefore, the clothes hanger is strong in practicability, slipmat increase friction, make the bumper shock absorber be difficult for removing, protect the bumper shock absorber simultaneously, prevent that the bumper shock absorber is direct and fixed disk, the supporting disk contact leads to wearing and tearing.
2. This kind of fluid spraying device for automobile shock absorber ware, the fixed back of accomplishing of bumper shock absorber, the conveyer pipe is in the leading-in spraying frame of fluid in with the box under the effect of force pump, rethread spraying frame blowout is sprayed the bumper shock absorber, and is simple in operation, high durability and convenient use, and the fluid spraying is more even, during the bumper shock absorber spraying, second servo motor drive electric telescopic handle rotates and drives the bumper shock absorber rotation, be convenient for spray each position to the bumper shock absorber, make the bumper shock absorber spraying more even, thereby first servo motor drive threaded rod rotates and drives the dead lever and reciprocate and make the spraying frame remove thereupon, be convenient for spray each position of bumper shock absorber, and is simple in operation, high durability and convenient use.
3. This kind of fluid spraying device for automobile shock absorber ware, the spraying is accomplished the back, and the aspiration pump is in with outside air suction stoving case, adsorbs the dust impurity adsorption of net cage in with the air, purifies the air, prevents that the dust from getting into to adhere to on the bumper shock absorber in the protection casing, and the electric plate will adsorb the air after purifying and heat, and the air after the heating lets in the bumper shock absorber after the spraying and dries in the protection casing. Compare in traditional device, the bumper shock absorber does not need to dry naturally, saves time, improves work efficiency.
Drawings
Fig. 1 is a schematic view of the appearance structure of the main body of the oil spraying device for the automobile shock absorber provided by the utility model;
fig. 2 is a schematic structural view of a section of a box body of the oil spraying device for the automobile shock absorber, provided by the utility model;
fig. 3 is a schematic view of a section structure of a protective cover of the oil spraying device for the automobile shock absorber provided by the utility model;
fig. 4 is the utility model provides a bottom plate structure schematic diagram of fluid spraying device for automobile shock absorber ware.
In the figure: 1. a box body; 2. a protective cover; 3. a box door; 4. mounting a rod; 5. an adjustment groove; 6. a threaded rod; 7. a first servo motor; 8. fixing the rod; 9. a spraying frame; 10. a spray head; 11. a delivery pipe; 12. an electric telescopic rod; 13. a second servo motor; 14. fixing the disc; 15. a support disc; 16. a non-slip mat; 17. a protective net; 18. mounting a plate; 19. a filter net cage; 20. a drying box; 21. adsorbing the net cage; 22. an electric heating plate.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are illustrative only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by one of ordinary skill in the art as appropriate.
Referring to fig. 1-4, an oil spraying device for an automobile shock absorber comprises a box body 1, a protective cover 2 is arranged on the outer wall of the top of the box body 1, a box door 3 is slidably mounted on the outer wall of the top of the protective cover 2, an observation window is arranged on the outer wall of the box door 3, holes are formed in the outer wall of the top of the protective cover 2 and are distributed equidistantly, a mounting rod 4 is welded at one end of the outer wall of the top of the box body 1, an adjusting structure is arranged inside the mounting rod 4, a filling opening is formed in the outer wall of the top of the box body 1, a cover plate is mounted on the filling opening, in use, the box door 3 is pulled open, a shock absorber needing oil spraying is placed into the protective cover 2, the shock absorber is fixed through the mutual matching of a supporting disk 15 and a fixed disk 14, then the oil in the box body 1 is pumped into a spraying frame 9 through a conveying pipe 11, the shock absorber is sprayed through a spray head 10, the sprayed oil leaks into the box body 1 through a protective net 17 to be collected again, the operation is simple, and the use is convenient.
Further, referring to fig. 2, adjustment mechanism is including seting up in the adjustment tank 5 of 4 inner walls of installation pole, rotate and install in the threaded rod 6 of 5 inner walls of adjustment tank, set up in the inside drive groove of installation pole 4, install in the first servo motor 7 of drive inslot wall, the output shaft and the threaded rod 6 of first servo motor 7 are connected, after the bumper shock absorber is fixed, fluid carries out the spraying to the bumper shock absorber through shower nozzle 10 blowout, thereby first servo motor 7 drive threaded rod 6 rotates and drives 8 reciprocating motion of dead lever and make spraying frame 9 remove thereupon, be convenient for carry out the spraying to each position of bumper shock absorber, and is simple in operation and convenient to use.
Further, refer to fig. 2 and 4, 6 outer walls of threaded rod rotate through the screw thread and install dead lever 8, 8 outer wall connections of dead lever have spraying frame 9, spraying frame 9 outer wall is provided with the shower nozzle 10 that the equidistance distributes, 1 top outer wall of box is provided with the conveyer pipe 11 that lets in the 1 bottom of box, the force pump is installed to conveyer pipe 11 outer wall, the conveyer pipe 11 top is provided with the coupling hose who is connected with spraying frame 9 bottom, the protection casing 2 is close to spraying frame 9 one side outer wall and sets up the shifting chute with spraying frame 9 looks adaptation, the fixed back of accomplishing of bumper shock absorber, conveyer pipe 11 is in leading-in spraying frame 9 of fluid in with box 1 under the effect of force pump, rethread spraying frame 9 spouts the bumper shock absorber and carries out the spraying, the operation is simple, high durability and convenient use, and the spraying fluid is more even.
Further, referring to fig. 3, the outer wall of the top of the protective cover 2 is rotatably provided with a rotating disc, the outer wall of the bottom of the rotating disc is provided with an electric telescopic handle 12 through a bolt, the outer wall of the top of the protective cover 2 is provided with a second servo motor 13 through a bolt, an output shaft of the second servo motor 13 is connected with the rotating disc, and when the shock absorber is sprayed, the second servo motor 13 drives the electric telescopic handle 12 to rotate to drive the shock absorber to rotate, so that each part of the shock absorber can be sprayed conveniently, and the shock absorber can be sprayed more uniformly.
Further, referring to fig. 3, the fixed disk 14 is welded at the tail end of the electric telescopic rod 12, the supporting disk 15 is installed on the outer wall of the top of the box body 1 in a rotating mode, the supporting disk 15 is matched with the fixed disk 14, fixing grooves are formed in the top of the supporting disk 15 and the bottom of the fixed disk 14, anti-slip pads 16 are arranged on the outer wall of the top of the supporting disk 15 and the outer wall of the bottom of the fixed disk 14 respectively, the supporting disk 15 is matched with the anti-slip pads 16, a protective net 17 is installed on the outer wall of the top of the box body 1, the protective net 17 is matched with the supporting disk 15, during spraying of the shock absorber, the box door is firstly pulled open by 3, the shock absorber is placed into the protective cover 2, the bottom of the shock absorber is placed on the supporting disk 15, then the electric telescopic rod 12 drives the fixed disk 14 to descend, the shock absorber is extruded through the fixed disk 14, the friction of the anti-slip pads 16 is increased, the shock absorber is not easy to move, meanwhile, the shock absorber is protected, and the direct contact with the fixed disk 14 and the supporting disk 15 is prevented from being abraded.
Further, referring to fig. 2, the mounting plate 18 is welded at the middle position of the inner wall of the top of the box body 1, the filter net box 19 is slidably mounted between the mounting plate 18 and the inner wall of the box body 1, the outer wall of the box body 1 is provided with slots matched with the filter net box 19, and the oil dripping during spraying permeates into the box body 1 through the protective net 17 and is mixed with the oil after being filtered by the filter net box 19, so that the oil is convenient to recycle and saves resources.
Further, referring to fig. 1 and 3, a drying box 20 is welded on one side of the box body 1 close to the protective cover 2, an air inlet pipe is installed on the outer wall of the drying box 20, an air suction pump is installed on the air inlet pipe, an adsorption net cage 21 is inserted into one side of the inner wall of the drying box 20 close to the air inlet pipe in a sliding mode, an electric heating plate 22 with air holes is arranged on the inner wall of the drying box 20, a connecting pipe leading into the protective cover 2 is arranged on the outer wall of the top of the drying box 20, after spraying is completed, the air suction pump sucks external air into the drying box 20, the adsorption net cage 21 adsorbs dust and impurities in the air, the air is purified, the dust is prevented from entering the protective cover 2 and being attached to a damper, the electric heating plate 22 heats the adsorbed and purified air, and the heated air is led into the protective cover 2 to dry the sprayed damper. Compare in traditional device, the bumper shock absorber need not dry naturally, saves time, improves work efficiency.
The working principle is as follows: when the shock absorber spraying device works, the box door 3 is firstly pulled open, the shock absorber is placed in the protective cover 2, the bottom of the shock absorber is placed on the supporting plate 15, the electric telescopic rod 12 drives the fixed plate 14 to descend, the shock absorber is extruded through the fixed plate 14 and is fixed, the shock absorber with different sizes can be conveniently fixed, the practicability is high, the anti-slip pad 16 increases friction, the shock absorber is not easy to move, the shock absorber is protected, after the shock absorber is prevented from being directly contacted with the fixed plate 14 and the supporting plate 15 to cause the fixation of the wear shock absorber, the conveying pipe 11 guides oil in the box body 1 into the spraying frame 9 under the action of the pressure pump, and then the oil is sprayed out through the spraying frame 9 to spray the shock absorber, the operation is simple, the use is convenient, and the oil spraying is more uniform, when the bumper shock absorber spraying, second servo motor 13 drive electric telescopic handle 12 rotates and drives the bumper shock absorber rotation, be convenient for carry out the spraying to each position of bumper shock absorber, make the bumper shock absorber spraying more even, thereby first servo motor 7 drive threaded rod 6 rotates and drives dead lever 8 and reciprocate and make spraying frame 9 remove thereupon, be convenient for carry out the spraying to each position of bumper shock absorber, moreover, the steam generator is simple in operation, high durability and convenient use, after the spraying is accomplished, the aspiration pump is with the outside air suction stoving case 20 in, adsorption net cage 21 adsorbs the dust impurity in the air, purify the air, prevent that the dust from getting into and adhering to on the bumper shock absorber in the protection casing 2, electric plate 22 will adsorb the air after the purification and heat, the air after the heating lets in the bumper shock absorber after the spraying and dry in the protection casing 2. Compare in traditional device, the bumper shock absorber does not need to dry naturally, saves time, improves work efficiency.
The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.

Claims (7)

1. The utility model provides an oil spraying device for automobile shock absorber ware, includes box (1), its characterized in that, box (1) top outer wall is provided with protection casing (2), protection casing (2) outer wall slidable mounting has chamber door (3), chamber door (3) outer wall is provided with the observation window, protection casing (2) top outer wall is opened there is the hole that the equidistance distributes, box (1) top outer wall one end welding has installation pole (4), installation pole (4) inside is provided with the regulation structure, box (1) top outer wall is provided with the filler, the apron is installed to the filler.
2. The oil spraying device for the automobile shock absorber as claimed in claim 1, wherein the adjusting mechanism comprises an adjusting groove (5) formed in an inner wall of the mounting rod (4), a threaded rod (6) rotatably mounted on the inner wall of the adjusting groove (5), a driving groove formed in the mounting rod (4), and a first servo motor (7) mounted on the inner wall of the driving groove, and an output shaft of the first servo motor (7) is connected with the threaded rod (6).
3. The oil spraying device for the automobile shock absorber as claimed in claim 2, wherein the outer wall of the threaded rod (6) is provided with a fixing rod (8) through rotation of threads, the outer wall of the fixing rod (8) is connected with a spraying frame (9), the outer wall of the spraying frame (9) is provided with spray heads (10) which are distributed equidistantly, the outer wall of the top of the box body (1) is provided with a conveying pipe (11) which leads into the bottom of the box body (1), the outer wall of the conveying pipe (11) is provided with a pressure pump, the top of the conveying pipe (11) is provided with a connecting hose which is connected with the bottom of the spraying frame (9), and the outer wall of one side, close to the spraying frame (9), of the protective cover (2) is provided with a moving groove which is matched with the spraying frame (9).
4. The oil spraying device for the automobile shock absorber as claimed in claim 1, wherein a rotating disc is rotatably mounted on the outer wall of the top of the protection cover (2), an electric telescopic rod (12) is mounted on the outer wall of the bottom of the rotating disc through a bolt, a second servo motor (13) is mounted on the outer wall of the top of the protection cover (2) through a bolt, and an output shaft of the second servo motor (13) is connected with the rotating disc.
5. The oil spraying device for the automobile shock absorber according to claim 4, wherein a fixed disc (14) is welded at the tail end of the electric telescopic rod (12), a supporting disc (15) is installed on the outer wall of the top of the box body (1) in a rotating mode, the supporting disc (15) is matched with the fixed disc (14), fixed grooves are formed in the top of the supporting disc (15) and the bottom of the fixed disc (14), anti-slip pads (16) are arranged on the outer wall of the top of the supporting disc (15) and the outer wall of the bottom of the fixed disc (14), the anti-slip pads (16) are respectively matched with the fixed disc (14) and the supporting disc (15), a protective net (17) is installed on the outer wall of the top of the box body (1), and the protective net (17) is matched with the supporting disc (15).
6. The oil spraying device for the automobile shock absorber according to claim 1, wherein a mounting plate (18) is welded in the middle of the inner wall of the top of the box body (1), a filter net cage (19) is slidably mounted between the mounting plate (18) and the inner wall of the box body (1), and a slot matched with the filter net cage (19) is formed in the outer wall of the box body (1).
7. The oil spraying device for the automobile shock absorber according to claim 1, wherein a drying box (20) is welded on one side of the box body (1) close to the protective cover (2), an air inlet pipe is installed on the outer wall of the drying box (20), an air suction pump is installed on the air inlet pipe, an adsorption net cage (21) is slidably inserted on one side of the inner wall of the drying box (20) close to the air inlet pipe, an electric heating plate (22) with air holes is arranged on the inner wall of the drying box (20), and a connecting pipe leading into the protective cover (2) is arranged on the outer wall of the top of the drying box (20).
CN202222248616.3U 2022-08-25 2022-08-25 Oil spraying device for automobile shock absorber Active CN218223051U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222248616.3U CN218223051U (en) 2022-08-25 2022-08-25 Oil spraying device for automobile shock absorber

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222248616.3U CN218223051U (en) 2022-08-25 2022-08-25 Oil spraying device for automobile shock absorber

Publications (1)

Publication Number Publication Date
CN218223051U true CN218223051U (en) 2023-01-06

Family

ID=84684854

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202222248616.3U Active CN218223051U (en) 2022-08-25 2022-08-25 Oil spraying device for automobile shock absorber

Country Status (1)

Country Link
CN (1) CN218223051U (en)

Similar Documents

Publication Publication Date Title
CN104209832B (en) A kind of full-automatic weld seam polishing machine
CN218223051U (en) Oil spraying device for automobile shock absorber
CN113786949A (en) Multifunctional hanging coating room for spraying automobile parts
CN110479715A (en) A kind of chemistry tube precleaning unit
CN210645666U (en) Dust collecting equipment for machining
CN208697171U (en) Cooling device is used in components polishing
CN213829760U (en) Assembled is dust-protection cutting device for fitment
CN215822698U (en) Building construction dust collector
CN210079898U (en) Paint spraying device for cable reel production
CN112454288B (en) Rotary workbench for disassembling waste household appliances
CN209210938U (en) A kind of metal tube cleaning equipment
CN211678460U (en) High-efficient automobile parts panel beating spray booth
CN220941630U (en) Drying device for spraying paint on backrest support for producing backrest of electric vehicle
CN208660683U (en) A kind of water circulation vertical dust-extraction unit
CN218048502U (en) Material spraying device for machine manufacturing
CN213164777U (en) High-reliability hardware fitting polishing and grinding equipment
CN215197844U (en) Valve processing paint spraying apparatus with stoving function
CN220215935U (en) Cleaning and drying device for aluminum plate finish machining
CN219508182U (en) Anti-pilling treatment device for cashmere blended fabric
CN215313352U (en) Metal surface uniform plastic spraying equipment
CN215802963U (en) Wall humidification device is used to fitment
CN214919021U (en) High-efficient purification treatment equipment in plastic drum
CN218329154U (en) Drying device for clothing production
CN217346711U (en) Reclaimed rubber film coating device
CN216878287U (en) Air filter cleaning equipment

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant