CN219041072U - Outdoor waterproof type switch board with protect function - Google Patents

Outdoor waterproof type switch board with protect function Download PDF

Info

Publication number
CN219041072U
CN219041072U CN202223169921.XU CN202223169921U CN219041072U CN 219041072 U CN219041072 U CN 219041072U CN 202223169921 U CN202223169921 U CN 202223169921U CN 219041072 U CN219041072 U CN 219041072U
Authority
CN
China
Prior art keywords
storage tank
water storage
power distribution
distribution cabinet
lower water
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
CN202223169921.XU
Other languages
Chinese (zh)
Inventor
钱磊
马金勇
杨庆
易旭阳
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.)
Anhui Yihua Electromechanical Equipment Co ltd
Original Assignee
Anhui Yihua Electromechanical Equipment Co ltd
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 Anhui Yihua Electromechanical Equipment Co ltd filed Critical Anhui Yihua Electromechanical Equipment Co ltd
Priority to CN202223169921.XU priority Critical patent/CN219041072U/en
Application granted granted Critical
Publication of CN219041072U publication Critical patent/CN219041072U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00Water conservation; Efficient water supply; Efficient water use
    • Y02A20/108Rainwater harvesting

Landscapes

  • Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)

Abstract

The utility model discloses an outdoor waterproof power distribution cabinet with a protection function, which comprises a power distribution cabinet body, wherein sliding rails are arranged on the left side and the right side of the power distribution cabinet body, the outer sides of the sliding rails are connected with sliding blocks, a water guide top plate is arranged above the power distribution cabinet body, the outer sides of the two sliding blocks are provided with rainwater gravity capable of guiding water through an upper water storage tank, a lower water storage tank which is used for carrying out the rain shielding waterproof protection function on the left side, the right side and the front of the power distribution cabinet by driving a first rain shielding cloth and a second rain shielding cloth to be unfolded downwards is arranged below the lower water storage tank, and a buffer mechanism which can play a buffer function on the lower water storage tank when the lower water storage tank descends through the gravity of rainwater. According to the utility model, through the driving shaft, the torsion spring, the conical gear set, the first rain-proof cloth, the driven shaft and the second rain-proof cloth, the problem that when an outdoor power distribution cabinet body is in heavy rain, the effects of rain-proof, water-proof and protection can be effectively achieved can be effectively solved.

Description

Outdoor waterproof type switch board with protect function
Technical Field
The utility model relates to the technical field of power distribution cabinets, in particular to an outdoor waterproof power distribution cabinet with a protection function.
Background
The power distribution cabinet is an important device of an outdoor power distribution system and is also a generic name of a motor control center, and is widely applied to various outdoor occasions such as power plants, substations, petrochemical industry, metallurgical steel rolling, high-rise buildings and the like because the power distribution cabinet has the characteristics of small volume, simplicity and convenience in installation, no site limitation, more common application, stable and reliable operation and the like;
outdoor switch board is at long-term during operation, produce high temperature (especially summer) easily, in order to be able to ventilate it, people can all offer the vent that can ventilate in switch board shell left and right sides, consequently, the accessible vent promotes natural wind to flow in the switch board is inboard, thereby reach radiating effect, because switch board itself is when making the design, door plant department and switch board opening are in closing and can exist certain clearance, if be under the condition of little rain, the inside rainwater that can not get into of switch board, but when meeting heavy rain, the rainwater can enter into the switch board inboard from door crack or vent, the potential safety hazard of short circuit appears easily to lead to the switch board inboard, therefore, it is necessary to provide an outdoor waterproof switch board with protect function to solve above-mentioned technical problem.
Disclosure of Invention
The utility model aims to provide an outdoor waterproof power distribution cabinet with a protection function, so as to solve the problem that the power distribution cabinet used outdoors is easy to cause water inflow when meeting heavy rain in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an outdoor waterproof type switch board with protect function, includes the switch board body, the slide rail is all installed to switch board body left and right sides, just the slide rail outside is connected with the slider, switch board body top is provided with the roof that leads water, just it all installs the last aqua storage tank that can store the rainwater and water conservancy diversion effect to lead water roof left and right sides, two go up aqua storage tank opposite side below swing joint has the drive shaft, two the slider lateral surface is provided with the rainwater gravity of accessible last aqua storage tank water conservancy diversion, drives first rain-proof cloth and second rain-proof cloth and opens downwards and carry out the lower aqua storage tank of rain-proof protection function to switch board left and right sides and place ahead, just it can play buffer gear to it when descending through rainwater gravity to the aqua storage tank below.
In a further embodiment, the sliding rail is in a T shape, the outer side of the sliding rail and the sliding block form a lifting sliding structure, and the outer side of the sliding block is in an inclined shape.
In a further embodiment, an upper water outlet hole is formed in the bottom of the upper water storage tank, and the upper water storage tank is located on the inner side of the opening above the lower water storage tank.
In a further embodiment, a lower water outlet hole is formed in the bottom of the lower water storage tank, the size of the lower water outlet hole is one third of that of the upper water outlet hole, and the lower water storage tank is V-shaped.
In a further embodiment, torsion springs are mounted on the left side and the right side of the driving shaft, a conical gear set is fixed on the left side and the right side of the driving shaft, a first rain cloth is wound on the outer side of the driving shaft, a driven shaft is fixed on the inner side of the back of the conical gear set, a second rain cloth is wound on the outer side of the driven shaft, and the rotation directions of the driving shaft and the driven shaft face to the outer side.
In a further embodiment, the left and right bottoms of the first rain cloth and the front and rear bottoms of the second rain cloth are fixedly connected with the upper portion of the sliding block and the inner wall of the lower water storage tank through screws.
In a further embodiment, the buffer mechanism comprises a telescopic sleeve rod fixed on the outer side below the lower water storage tank, a damping spring is connected to the inner side of the telescopic sleeve rod, and a foundation is fixed at the bottom of the telescopic sleeve rod.
Compared with the prior art, the utility model has the beneficial effects that:
1. the utility model is provided with the driving shaft, the torsion spring, the bevel gear set, the first rain cloth, the driven shaft and the second rain cloth, the rainwater quantity of heavy rain can be effectively matched with the water guide top plate to flow to the inner side of the upper water storage tank, and the lower water outlet at the bottom of the lower water storage tank is one third of the upper water outlet, so that water in the inner side of the upper water storage tank quickly flows into the inner side of the lower water storage tank through the upper water outlet to store water, the lower water storage tank generates certain gravity to drive the sliding block to move downwards, the first rain cloth is further downwards unfolded around the rotation of the driving shaft, and at the moment, the bevel gear sets and the driven shafts at the left side and the right side can be simultaneously driven to rotate through the rotation of the driving shaft, so that the corresponding second rain cloth can be downwards pulled and unfolded through the lower water storage tank at the two sides, and the front and the left side and the right side of the power distribution cabinet body are effectively prevented from flowing into the inner side of the power distribution cabinet body through the first rain cloth and the second rain cloth, and compared with the prior art, when the power distribution cabinet body is in heavy rain is shielded, the water is effectively protected;
2. according to the utility model, the lower water storage tank and the lower water outlet are arranged, when rain stops, rainwater in the lower water storage tank can be led out through the lower water outlet, so that the lower water storage tank can effectively lose water gravity, at the moment, the torsion force of the torsion springs at the left side and the right side of the driving shaft is larger than the force of the lower water storage tank, so that the driving shaft and the conical gear sets at the left side and the right side can be reversed by matching with the rebound force of the torsion springs;
3. according to the utility model, the buffer mechanism is arranged, when the lower water storage tanks on the left side and the right side of the power distribution cabinet body move to the ground, the lower water storage tanks can effectively play a role in buffering and damping under the contraction action of the damping springs through the foundation legs and the telescopic sleeve rods, and compared with the prior art, the problem that the lower water storage tanks are directly collided with the ground to block the lower water outlet holes is avoided, and meanwhile, the problem that the lower water storage tanks are directly contacted with the ground to damage and deform is also avoided.
Drawings
Fig. 1 is a schematic structural diagram of a preferred embodiment of an outdoor waterproof power distribution cabinet with a protection function according to the present utility model;
FIG. 2 is a schematic view of the installation structure of the water guiding top plate and the upper water storage tank shown in FIG. 1;
FIG. 3 is an enlarged schematic view of the structure shown in FIG. 2 at A;
fig. 4 is a schematic view of a mounting structure of the sliding rail and the sliding block shown in fig. 2.
In the figure: 1. a power distribution cabinet body; 2. a slide rail; 3. a slide block; 4. a water guiding top plate; 5. a water storage tank is arranged on the upper part; 501. an upper water outlet hole; 6. a drive shaft; 601. a torsion spring; 602. a conical gear set; 603. a first weather barrier; 604. a driven shaft; 605. a second rain cloth; 7. a lower water storage tank; 701. a lower water outlet hole; 8. a buffer mechanism; 801. a telescopic loop bar; 802. a damping spring; 803. and (3) a foot margin.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, an embodiment of the present utility model is provided: the utility model provides an outdoor waterproof type switch board with protect function, including switch board body 1, slide rail 2, slider 3, water guide roof 4, go up aqua storage tank 5, go up apopore 501, drive shaft 6, torsion spring 601, taper gear group 602, first rain cloth 603, driven shaft 604, second rain cloth 605, lower aqua storage tank 7, lower apopore 701, buffer mechanism 8, flexible loop bar 801, damping spring 802 and ground 803, slide rail 2 is all installed to switch board body 1 left and right sides, and the slide rail 2 outside is connected with slider 3, switch board body 1 top is provided with water guide roof 4, and water guide roof 4 left and right sides all installs the last aqua storage tank 5 that can store the rainwater and water conservancy diversion effect, two go up aqua storage tank 5 opposite side face below swing joint and have drive shaft 6, two slider 3 lateral surfaces are provided with the rainwater gravity of accessible last aqua storage tank 5 water conservancy diversion, drive first rain cloth 603 and second rain cloth 605 are the exhibition and are carried out the waterproof protection function's of rain water storage tank 7 of keeping off to switch board left and right sides and place ahead, and the below 7 of water storage tank 7 that can play the function to the rainwater through buffer mechanism when installing it down.
Example 1
Referring to fig. 1-4, the sliding rail 2 is in a T shape, the outer side of the sliding rail 2 and the sliding block 3 form a lifting sliding structure, the outer side of the sliding block 3 is in an inclined shape, an upper water outlet 501 is formed at the bottom of the upper water storage tank 5, the upper water storage tank 5 is positioned at the inner side of the opening above the lower water storage tank 7, a lower water outlet 701 is formed at the bottom of the lower water storage tank 7, the size of the lower water outlet 701 is one third of the size of the upper water outlet 501, the lower water storage tank 7 is in a V shape, torsion springs 601 are mounted on the left and right sides of the driving shaft 6, conical gear sets 602 are fixed on the left and right outer sides of the driving shaft 6, a first rain cloth 603 is wound on the outer side of the driving shaft 6, a driven shaft 604 is fixed on the inner side of the back of the conical gear sets 602, a second rain cloth 605 is wound on the outer side of the driven shaft 604, and the rotation directions of the driving shaft 6 and the driven shaft 604 are all directed outwards, the left bottom and the right bottom of the first rain cloth 603 and the front bottom and the rear bottom of the second rain cloth 605 are fixedly connected with the upper part of the sliding block 3 and the inner wall of the lower water storage tank 7 through screws, rainwater can flow to the inner side of the upper water storage tank 5 along the water guide top plate 4 with two inclined sides, then flows into the inner side of the lower water storage tank 7 from the upper water outlet hole 501, the lower water outlet hole 701 at the bottom of the lower water storage tank 7 is one third of the upper water outlet hole 501 due to larger rainwater quantity, so that the lower water storage tank 7 can rapidly store water, the lower water storage tank 7 generates certain gravity and drives the sliding block 3 to move downwards, the sliding block 3 drives the first rain cloth 603 to rotate around the driving shaft 6 to spread downwards, at the moment, the tapered gear sets 602 and the driven shafts 604 at the left side and the right side can be simultaneously driven by the rotation of the driving shaft 6, and the rotation direction of the driven shaft 604 faces to the outer side, therefore, the corresponding second rain cloth 605 is pulled downwards to be unfolded by the lower water storage tanks 7 on the two sides, so that the front and the left and the right sides of the power distribution cabinet body 1 are effectively shielded by the first rain cloth 603 and the second rain cloth 605, rainwater is effectively prevented from flowing into the inner side of the power distribution cabinet body 1 from the ventilation opening and the door gap, when the outdoor power distribution cabinet body 1 encounters heavy rain, the effect of rain shielding, water prevention and protection can be effectively achieved, when the rain stops, the rainwater can slowly flow out through the lower water outlet holes 701 on the bottom of the lower water storage tanks 7, the water loss gravity of the lower water storage tanks 7 is enabled, at the moment, the torsion force of the torsion springs 601 on the left and the right sides of the driving shaft 6 is larger than the force of the lower water storage tanks 7, and therefore under the rebound force of the two torsion springs 601, the conical gear sets 602 on the left and the right sides of the driving shaft 6 are enabled to be matched with the rebound force of the torsion springs 601 to be reversed, and the first rain cloth 603 can be effectively coiled on the outer side of the driving shaft 6, and meanwhile the driven shaft 602 can be enabled to be driven by the rotation of the conical gear sets 602 to rotate to drive the driven shaft 602 to rotate to enable the second rain cloth to be coiled on the outer side of the second water storage tanks 605.
Example 2
Referring to fig. 2, unlike embodiment 1, the following is: the buffer gear 8 is including fixing the flexible loop bar 801 in the lower aqua storage tank 7 below outside, and flexible loop bar 801 inboard is connected with damping spring 802, flexible loop bar 801 bottom is fixed with ground 803, when the lower aqua storage tank 7 of switch board body 1 left and right sides removes ground, accessible ground 803 and flexible loop bar 801 can effectually play certain buffering and cushioning effect under damping spring 802's shrink effect, thereby avoided down aqua storage tank 7 direct with ground collision lead to the problem of apopore 701 under the jam promptly, still avoided down aqua storage tank 7 direct with ground contact produce the problem of damage and deformation simultaneously.
Working principle: when heavy rain is encountered, as shown in fig. 1-4, rainwater flows along the water guide top plate 4 with two inclined sides to the inner side of the upper water storage tank 5, then flows into the inner side of the lower water storage tank 7 from the upper water outlet hole 501, and the lower water outlet hole 701 at the bottom of the lower water storage tank 7 is one third of the upper water outlet hole 501 due to larger rainwater quantity, so that the lower water storage tank 7 can store water quickly, the lower water storage tank 7 generates certain gravity and drives the sliding block 3 to move downwards, the sliding block 3 drives the first rain cloth 603 to rotate around the driving shaft 6 to spread downwards, at this time, the tapered gear sets 602 and the driven shafts 604 on the left and right sides can be simultaneously driven to rotate through the rotation of the driving shaft 6, and the rotation direction of the driven shafts 604 face outwards, so that the corresponding second rain cloth 605 can be pulled downwards to spread along the lower water storage tank 7 on the two sides, therefore, the front and the left and the right sides of the power distribution cabinet body 1 are effectively shielded by the first rain shielding cloth 603 and the second rain shielding cloth 605, and then, the rainwater is effectively prevented from flowing into the inner side of the power distribution cabinet body 1 from the ventilation opening and the door seam, so that when the outdoor power distribution cabinet body 1 is in heavy rain, the functions of rain shielding, water prevention and protection can be effectively achieved, when rain stops, the rainwater can slowly flow out through the lower water outlet 701 at the bottom of the lower water storage tank 7, the lower water storage tank 7 is enabled to lose water gravity, the torsion of the torsion springs 601 at the left and the right sides of the driving shaft 6 is larger than the force of the lower water storage tank 7, under the rebound power of the two torsion springs 601, the cone gear sets 602 at the left and the right sides are enabled to be matched with the rebound power of the torsion springs 601 to be reversed, and then, the first rain shielding cloth 603 can be effectively wound on the outer side of the driving shaft 6 again, meanwhile, the driven shaft 604 can be driven to rotate reversely in cooperation with the rotation of the conical gear set 602, so that the second rain cloth 605 can be wound on the outer side of the second rain cloth again;
as shown in fig. 2, when the lower water storage tanks 7 on the left and right sides of the power distribution cabinet body 1 move to the ground, the lower water storage tanks 7 can effectively play a role in buffering and damping under the contraction of the damping springs 802 through the foundation feet 803 and the telescopic loop bars 801, so that the problem that the lower water storage tanks 7 are directly collided with the ground to block the lower water outlet holes 701 is avoided, and meanwhile, the problem that the lower water storage tanks 7 are directly contacted with the ground to damage and deform is also avoided, and therefore a series of works are completed.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (7)

1. Outdoor waterproof type switch board with protect function, including switch board body (1), its characterized in that: the utility model discloses a power distribution cabinet, including switch board body (1), slide rail (2), switch board body (1), slide rail (2) outside are connected with slider (3), switch board body (1) top is provided with water guide roof (4), just water guide roof (4) left and right sides all install can store rainwater and last aqua storage tank (5) of water conservancy diversion effect, two go up aqua storage tank (5) are to side below swing joint has drive shaft (6), two the rainwater gravity of aqua storage tank (5) water conservancy diversion is provided with on the slider (3) lateral surface, drives first rain cloth (603) and second rain cloth (605) and opens downwards and keep off lower aqua storage tank (7) of rain waterproof protect function to switch board left and right sides and place ahead, just down aqua storage tank (7) below is installed and can be to it when dropping through the rainwater gravity buffer gear (8) that plays the buffer function.
2. The outdoor waterproof power distribution cabinet with a protection function according to claim 1, wherein: the sliding rail (2) is in a T shape, the outer side of the sliding rail (2) and the sliding block (3) form a lifting sliding structure, and the outer side of the sliding block (3) is inclined.
3. The outdoor waterproof power distribution cabinet with a protection function according to claim 1, wherein: an upper water outlet hole (501) is formed in the bottom of the upper water storage tank (5), and the upper water storage tank (5) is located at the inner side of the upper opening of the lower water storage tank (7).
4. An outdoor waterproof power distribution cabinet with protection function according to claim 3, characterized in that: the bottom of the lower water storage tank (7) is provided with a lower water outlet hole (701), the size of the lower water outlet hole (701) is one third of that of the upper water outlet hole (501), and the lower part of the lower water storage tank (7) is in a V shape.
5. The outdoor waterproof power distribution cabinet with a protection function according to claim 1, wherein: torsion springs (601) are arranged on the left side and the right side of the driving shaft (6), a conical gear set (602) is fixed on the left side and the right side of the driving shaft (6), a first rain cloth (603) is wound on the outer side of the driving shaft (6), a driven shaft (604) is fixed on the inner side of the back of the conical gear set (602), a second rain cloth (605) is wound on the outer side of the driven shaft (604), and the rotation directions of the driving shaft (6) and the driven shaft (604) face the outer side.
6. The outdoor waterproof power distribution cabinet with a protection function according to claim 5, wherein: the left bottom and the right bottom of the first rain cloth (603) and the front bottom and the rear bottom of the second rain cloth (605) are fixedly connected with the upper part of the sliding block (3) and the inner wall of the lower water storage tank (7) through screws.
7. The outdoor waterproof power distribution cabinet with a protection function according to claim 1, wherein: the buffer mechanism (8) comprises a telescopic sleeve rod (801) fixed on the outer side below the lower water storage tank (7), a damping spring (802) is connected to the inner side of the telescopic sleeve rod (801), and a foundation (803) is fixed at the bottom of the telescopic sleeve rod (801).
CN202223169921.XU 2022-11-29 2022-11-29 Outdoor waterproof type switch board with protect function Active CN219041072U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202223169921.XU CN219041072U (en) 2022-11-29 2022-11-29 Outdoor waterproof type switch board with protect function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202223169921.XU CN219041072U (en) 2022-11-29 2022-11-29 Outdoor waterproof type switch board with protect function

Publications (1)

Publication Number Publication Date
CN219041072U true CN219041072U (en) 2023-05-16

Family

ID=86315858

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202223169921.XU Active CN219041072U (en) 2022-11-29 2022-11-29 Outdoor waterproof type switch board with protect function

Country Status (1)

Country Link
CN (1) CN219041072U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117477372A (en) * 2023-11-13 2024-01-30 山东厚俞实业有限公司 Electric power prefabricated cabin

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117477372A (en) * 2023-11-13 2024-01-30 山东厚俞实业有限公司 Electric power prefabricated cabin
CN117477372B (en) * 2023-11-13 2024-04-16 山东厚俞实业有限公司 Electric power prefabricated cabin

Similar Documents

Publication Publication Date Title
CN219041072U (en) Outdoor waterproof type switch board with protect function
CN112004346A (en) Outer protection structure for communication equipment and installation method thereof
CN111799670B (en) Flood control switch board
CN206581641U (en) A kind of electronic waterproof blinds turnover panel awning
CN211088022U (en) Protection type transformer
CN112421402A (en) Self-lifting anti-flooding outdoor electric power cabinet with rainwater monitoring function
CN110474237B (en) Rainproof distribution box
CN206581642U (en) A kind of electronic waterproof blinds turnover panel awning
CN205266756U (en) Vocal combination formula bird repellent device of wind -force reflection of light
CN201051353Y (en) Wind resisting advertisement plate
CN111593537B (en) Multifunctional typhoon-preventing and clothes-airing device and typhoon-preventing method thereof
CN105293256B (en) A kind of energy-conserving elevator
CN211056438U (en) Movable stopping device for elevator system
CN210515970U (en) Dam safety is with monitoring information display device
CN208986891U (en) A kind of solar panel rotation protection mechanism
CN209469088U (en) A kind of building safety anticollision barrier
CN206539233U (en) A kind of Multifunction balcony window
CN215724066U (en) Intelligence new trend is with rain-proof wall
CN207553469U (en) A kind of balcony guardrail
CN220233913U (en) High-low voltage preassembled transformer substation with good protection performance
CN220797465U (en) Outdoor switch cabinet
CN215888104U (en) Ecological monitoring bank protection of hydraulic engineering
CN208668329U (en) A kind of noise-proofing novel road protective fence securely
CN216529839U (en) Thunder and rain day lightning protection framework for lightning protection engineering
CN214783695U (en) Hoist

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant