CN220494602U - Building site collective dining room cupboard - Google Patents

Building site collective dining room cupboard Download PDF

Info

Publication number
CN220494602U
CN220494602U CN202321448668.3U CN202321448668U CN220494602U CN 220494602 U CN220494602 U CN 220494602U CN 202321448668 U CN202321448668 U CN 202321448668U CN 220494602 U CN220494602 U CN 220494602U
Authority
CN
China
Prior art keywords
cabinet body
body unit
cabinet
guide
ground
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
CN202321448668.3U
Other languages
Chinese (zh)
Inventor
曾浩
武晓坤
李法芬
刘辉
崔荣鑫
张福亮
王杨杨
曹笑洋
段佳馨
梁江锋
刘斯诗
韩美乐
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.)
Luoyang Tengfei Municipal Engineering Co ltd
Original Assignee
Luoyang Tengfei Municipal Engineering 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 Luoyang Tengfei Municipal Engineering Co ltd filed Critical Luoyang Tengfei Municipal Engineering Co ltd
Priority to CN202321448668.3U priority Critical patent/CN220494602U/en
Application granted granted Critical
Publication of CN220494602U publication Critical patent/CN220494602U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Combinations Of Kitchen Furniture (AREA)

Abstract

The utility model relates to a Buffet field especially relates to a building site collective dining room cupboard, and it includes cabinet body unit, the wash port has been seted up on the lateral wall that is close to ground on the cabinet body unit, wash port and the inside intercommunication of cabinet body unit. This application has the effect that reduces cabinet door department and leave over the spot, reduces the internal bacterial growth of cabinet.

Description

Building site collective dining room cupboard
Technical Field
The application relates to the technical field of a dinner cabinet, in particular to a collective dining room cupboard for a construction site.
Background
Construction sites on construction sites are typically remote, and thus construction sites typically build collective canteens for constructors to eat.
In order to facilitate the storage of tableware for construction staff, a cupboard for storing bowls and chopsticks is usually arranged in a collective canteen, the cupboard is of a square shell structure, and a plurality of partition plates are horizontally and vertically arranged inside the cupboard, so that the space inside the cupboard is divided into a plurality of small storage cavities. The opening part of every storage all is provided with the cabinet door, and different constructors can place respective bowl chopsticks in different storage cavities.
After finishing dining and cleaning bowls and chopsticks, the workers on the construction site are directly placed in the bowl cabinet, and the cabinet door is closed; after the cabinet door is closed, the whole storage cavity is in a closed state, so bacteria are easy to breed on tableware in the cabinet body, malodorous gas can be generated in summer with higher ambient temperature, and the health of dining staff is influenced. In addition, after the tableware is washed, the residual water drops on the tableware can not be completely removed, the water drops on the upper edges of the bowls and chopsticks slide to the bottom of the storage cavity and then flow out from the opening of the cupboard, so that more stains are left on the cupboard door of the cupboard body, or the water drops accumulated at the corners inside the cupboard body can not be discharged, and liquid is deteriorated to emit malodor.
Disclosure of Invention
In order to reduce liquid residues in the cupboard and reduce the occurrence of malodor generated in the cupboard, the application provides a building site collective canteen cupboard.
The application provides a job site collective dining room cupboard adopts following technical scheme:
the utility model provides a building site collective dining room cupboard, includes cabinet body unit, the wash port has been seted up on the lateral wall near ground on the cabinet body unit, wash port and the inside intercommunication of cabinet body unit.
Through adopting above-mentioned technical scheme, through the intercommunication of the internal portion of the cabinet with external environment of wash port realization to reduce the internal bacterial breeding of cabinet. And because the drain hole sets up in cabinet body unit bottom, therefore the liquid in the cabinet body unit can have the drain hole to discharge, reduces the internal liquid of cabinet and takes place by the condition that the opening part of cabinet body flows out. And the liquid accumulation and deterioration in the cabinet body unit can be reduced, and the occurrence of malodorous gas generated in the cabinet body unit is further reduced.
Optionally, the cabinet body unit sets up to a plurality ofly along vertical direction, be provided with the intercommunicating pore on the side that the cabinet body unit kept away from ground, the upper strata the drainage hole of cabinet body unit communicates with the intercommunicating pore of lower floor's cabinet body unit each other.
By adopting the technical scheme, the ventilation property of the cupboard is further improved through the communication holes. And the drain hole of the upper cabinet body unit can be communicated with the communication hole, so that liquid in the upper cabinet body unit is collected into the lower cabinet body unit and then discharged out of the cabinet body unit, and a plurality of cabinet body units can be conveniently drained.
Optionally, a guide piece is arranged on the cabinet body unit at a position corresponding to the drain hole, an opening is arranged on the side surface of the guide piece, which is close to the cabinet body unit, and the drain hole is communicated with the inside of the guide piece; the side of the guide piece, which is far away from the cabinet body unit, is provided with a guide hole which is communicated with the inside of the guide piece.
Through adopting above-mentioned technical scheme, in the cabinet body unit use, the liquid in the cabinet body unit flows to the water conservancy diversion spare in, then gathers and discharge in the water conservancy diversion hole to make things convenient for the concentrated drainage of cabinet body unit.
Optionally, a guiding pipe is arranged on the guiding piece at a position corresponding to the guiding hole, one end of the guiding pipe is connected to the cabinet body unit, and the other end of the guiding pipe is inserted into the communication hole of the lower cabinet body unit.
Through adopting above-mentioned technical scheme, can guide the liquid of upper cabinet body unit to collect to lower cabinet body unit through the guide pipe, reduce the condition emergence that liquid spread in the gap between two adjacent cabinet body units. And the guide pipe can limit the relative movement between the two cabinet units after being inserted into the communication hole of the lower cabinet unit, so that the stability of the cupboard in the use process is improved.
Optionally, a water blocking plate is arranged at the opening of the cabinet body unit, and an installation groove with an opening deviating from the ground is formed between the water blocking plate and the inner side wall of the cabinet body unit.
Through adopting above-mentioned technical scheme, make cabinet body unit inside formation mounting groove through the board that blocks to stop liquid from the opening part outflow of cabinet body unit, further reduce the condition emergence of the spot appears in the opening part of cabinet body unit.
Optionally, the cabinet body unit is inside to be provided with the piece that permeates water, the piece that permeates water is otter board column shape structure, permeate water the piece and lay on the side wall that cabinet body unit is close to ground, liquid can follow permeate water the piece that permeates water from the arbitrary angle of piece.
Through adopting above-mentioned technical scheme, support the tableware through the piece that permeates water of otter board dress, the hydroenergy on the tableware passes the piece that permeates water and flows to the wash port in discharge. And the contact area between the bottom wall of the tableware and the cabinet unit is reduced through the water permeable piece, so that the condition that liquid adheres to the contact surface of the tableware and the cabinet unit is reduced.
Optionally, the wash port sets up to a plurality of, and a plurality of wash ports evenly set up on the lateral wall that cabinet body unit is close to ground, the guide tube sets up a plurality ofly corresponding cabinet body unit.
Through adopting above-mentioned technical scheme, the drainage effect of cabinet body unit has been improved in the setting of a plurality of wash ports, and a plurality of guide pipes make two adjacent cabinet body units connect more stably moreover, further improve the stability in the cupboard use.
Optionally, the cross-sectional area of the guide tube on a plane parallel to the ground gradually decreases from one end close to the cabinet unit to one end far away from the cabinet unit along the length direction of the guide tube.
Through adopting above-mentioned technical scheme, because the area that the one end of cabinet body unit was kept away from to the guide tube is less, makes the cross-section of guide tube on vertical plane be trapezoidal upside down to put in the intercommunicating pore that the guide tube of user with upper cabinet body unit inserted lower floor cabinet body unit, the person of facilitating the use splice cabinet body unit.
Optionally, a plurality of ventilation holes are uniformly formed in the side surface of the mounting groove perpendicular to the ground.
Through adopting above-mentioned technical scheme, when the cupboard uses, liquid flows to the mounting groove in, sets up the bleeder vent to the position of mounting groove, makes mounting groove and outside intercommunication, further reduces the internal bacterial growing of cabinet and produces the condition emergence of foul gas.
Optionally, the side of the cabinet body unit far away from the opening of the cabinet body unit is provided with micro-air holes, and the diameter of the micro-air holes is not more than 1.5mm.
Through adopting above-mentioned technical scheme, further improve the gas permeability of cabinet body unit through the micropore, control the size of micropore within 1.5mm to can block to stabilize and get into cabinet body unit inside when breathing freely.
In summary, the present application includes at least one of the following beneficial technical effects:
1. in the use of the cupboard, water drops on the tableware can flow into the mounting groove and then are discharged out of the cupboard body unit through the drain holes, and the inside of the cupboard body unit is communicated with the external environment through the drain holes, so that bacterial breeding in the cupboard body unit is reduced, and the situation that liquid is accumulated and deteriorated to generate malodorous gas is reduced.
2. The guide pipe is arranged below the guide piece, the communicating hole is formed in the side wall, far away from the ground, of the cabinet body units, when the two cabinet body units are stacked together, the guide pipe is inserted into the communicating hole, limiting of the two adjacent cabinet body units is achieved, the cabinet body units are communicated, and drainage of the cabinet body units is facilitated.
Drawings
Fig. 1 is a schematic overall structure of an embodiment of the present application.
Fig. 2 is a schematic cross-sectional structure of a cabinet unit according to an embodiment of the present application.
Reference numerals: 1. a cabinet unit; 11. a storage chamber; 12. a drain hole; 13. a communication hole; 14. micro-pores; 2. a water permeable member; 3. a water blocking plate; 31. a mounting groove; 32. ventilation holes; 4. a flow guide; 5. a guide tube; 6. a communicating pipe; 7. a partition board.
Detailed Description
The present application is described in further detail below in conjunction with figures 1-2.
The embodiment of the application discloses a building site collective dining room cupboard.
Referring to fig. 1 and 2, a worksite collective dining room cupboard includes a plurality of cupboard body units 1, the plurality of cupboard body units 1 being disposed in a vertical direction. The cabinet unit 1 is of a housing structure, and an opening is provided on one side surface perpendicular to the ground. A storage chamber 11 is formed inside the cabinet unit 1 for storing tableware. The side wall of the cabinet body unit 1, which is close to the ground, is provided with a drain hole 12, and the drain hole 12 is communicated with the interior of the cabinet body unit 1. When the cupboard is in use, water drops on the tableware flow to the bottom of the cupboard body unit 1 along the side walls of the tableware and then are discharged out of the cupboard body unit 1 through the water discharge holes 12 of the cupboard body unit 1. The drain hole 12 reduces the outflow of liquid from the cabinet door, so that stains are generated on the side surface of the cupboard, which is close to the opening of the cupboard; and realize the inside intercommunication with external environment of cabinet body unit 1, reduced cabinet body unit 1 inside and bred the bacterium and produced the condition emergence of foul smell.
Referring to fig. 1 and 2, the drain hole 12 has a long strip structure, the length direction of the drain hole 12 is parallel to the plane of the opening of the cabinet unit 1, and both ends of the drain hole 12 are flush with two inner walls of the cabinet unit 1 that are parallel to each other. The opening of the cabinet unit 1 is defined as a first direction, and a direction parallel to the ground and perpendicular to the first direction is defined as a second direction. In order to improve the drainage effect and the air permeability of the cabinet unit 1, the drainage holes 12 may be provided in the bottom wall of the cabinet unit 1 at equal intervals in the first direction, and two in this embodiment.
Referring to fig. 1 and 2, a communication hole 13 is provided at a position corresponding to the drain hole 12 on the top wall of the cabinet unit 1 remote from the ground. The drain hole 12 of the upper cabinet body unit 1 is communicated with the communication hole 13 of the lower cabinet body unit 1, so that liquid in the upper cabinet body unit 1 can be collected to the lower cabinet body unit 1, and the water drainage of the cupboard is facilitated.
Referring to fig. 1 and 2, a guide member 4 is disposed on the cabinet unit 1 at a position corresponding to the drain hole 12, the guide member 4 is of a long-strip-shaped housing structure, and a cross section of the guide member 4 on a plane perpendicular to the length thereof is of an inverted trapezoid shape. The small end of the guide piece 4 faces the ground, and the large end of the guide piece 4 is welded on the cabinet body unit 1. The side surface of the guide piece 4, which is close to the cabinet body unit 1, is provided with an opening, and the inside of the guide piece 4 is communicated with the inside of the cabinet body unit 1. The side surface of the flow guiding piece 4 close to the ground is provided with a flow guiding hole, and the flow guiding hole is communicated with the inside of the flow guiding piece 4. The liquid in the cabinet body unit 1 is collected into the diversion trench and then discharged through the diversion hole, thereby facilitating centralized drainage of the cabinet body unit 1. In this embodiment, the flow guiding holes on the flow guiding pieces 4 corresponding to the lowest cabinet unit 1 are located on the side surfaces of the flow guiding pieces 4 perpendicular to the ground, so that the phenomenon that the ground blocks the flow guiding holes is reduced. Of course, in other embodiments, the position of the diversion hole is not changed, and a bracket is arranged below the lower cabinet unit 1 so as to ensure the drainage effect of the diversion hole.
Referring to fig. 1 and 2, a guide pipe 5 is provided at a position corresponding to the guide hole on the cabinet unit 1, the guide pipe 5 has a ring structure, one end of the guide pipe 5 is welded on a side surface of the cabinet unit close to the ground, and the other end is embedded in a communication hole 13 of the lower cabinet unit 1. The guide pipe 5 can guide the liquid in the upper cabinet body unit 1 to flow into the lower cabinet body unit 1, so that the situation that the liquid flows into a gap between two adjacent cabinet body units 1 is reduced, and the drainage effect of the cabinet body unit 1 is improved. And the limit of the relative movement between the two cabinet body units 1 is realized through the guide pipe 5, so that the occurrence of the movement condition of the two adjacent cabinet body units 1 in the using process of the cupboard is reduced, and the stability of the cupboard in the using process is improved.
Referring to fig. 1 and 2, the cross-sectional area of the guide pipe 5 on a plane parallel to the ground is gradually reduced from one end close to the cabinet unit 1 to one end far from the cabinet unit 1 in the vertical direction, thereby facilitating the user to splice a plurality of cabinet units 1.
Referring to fig. 1 and 2, a water blocking plate 3 is provided at an opening of the cabinet unit 1, and the water blocking plate 3 is vertically welded to a side wall of the storage cavity 11 near the ground. The water blocking plate 3 is used for blocking the liquid from flowing out of the opening of the cabinet body unit 1, so that the drainage effect of the drainage hole 12 is improved, and the occurrence of stains on one side of the cabinet body unit 1 close to the opening is further reduced.
Referring to fig. 1 and 2, the cabinet unit 1 is internally provided with a plurality of partitions 7, and the partitions 7 are uniformly spaced in a direction perpendicular to the opening direction of the cabinet unit 1. The partition 7 is perpendicular to the second direction, and the side face of the partition 7 is attached to the inner side wall of the cabinet unit and welded. The storage chambers 11 are partitioned by a plurality of partitions 7 to form a plurality of storage chambers. The opening of the storage chamber is provided with a cabinet door, and the opening of the storage chamber is plugged through the cabinet door. The storage cavity 11 is divided by the partition plate 7, so that the area of the cabinet door is reduced, and the cabinet door is conveniently opened or closed by a user. And the partition plate 7 can support the side wall of the cabinet body unit 1 far away from the ground, so that the overall structural strength of the cabinet body unit 1 is improved.
Referring to fig. 1 and 2, a partition 7, a water blocking plate 3 and the inner side wall of a cabinet unit 1 form a mounting groove 31, a permeable member 2 is arranged in the mounting groove 31, the permeable member 2 is in a net plate-shaped structure, and a permeable channel is formed on the permeable member 2; the liquid can pass through the water permeable member 2 from any angle. The water permeable member 2 is embedded in the mounting groove 31, and the side surface of the water permeable member 2 away from the ground is flush with the side surface of the water blocking plate 3 away from the ground. The tableware is placed on the water permeable member 2, and the liquid on the tableware can flow to the bottom of the cabinet unit 1 through the water permeable member 2 and be discharged from the drain hole 12. The mesh plate structure of the water permeable member 2 reduces the contact area between the tableware and the cabinet unit 1, so that the situation that liquid adheres to the contact surface of the tableware and the cabinet unit 1 is reduced, the drainage effect of the cabinet unit 1 is improved, and the situation that liquid in the cabinet unit is deteriorated to generate malodor is further reduced.
Referring to fig. 1 and 2, in this embodiment, the water permeable member 2 is a drainage plate, and in other embodiments, the water permeable member 2 may be a frame structure made of a rod-shaped section bar or a plurality of upright posts arranged on the bottom wall of the cabinet unit 1, so as to meet the requirements of water permeable function and reduction of contact area with tableware.
Referring to fig. 1 and 2, a plurality of ventilation holes 32 are uniformly formed in a sidewall of the installation groove 31 perpendicular to the ground. In the using process of the cupboard, the permeable piece 2 and the mounting groove 31 are in more contact with liquid, the air holes 32 are formed in the positions of the mounting groove 31, the mounting groove 31 can be in contact with the external environment through the air holes 32, and bacteria breeding and malodorous gas generation in the cupboard body unit 1 are further reduced.
Referring to fig. 1 and 2, the storage chamber 11 is internally provided with the communicating pipe 6, the communicating pipe 6 corresponds to the communicating hole 13, one end of the communicating pipe 6 is welded on the side wall of the storage chamber 11 far away from the ground, the other end is abutted on the permeable member 2, the cylinder communicating pipe 6 can guide the liquid of the upper cabinet unit 1 to flow into the drain hole 12 of the lower cabinet unit 1, and the phenomenon of splashing when the liquid in the upper cabinet unit 1 flows into the lower cabinet unit 1 is reduced.
Referring to fig. 1 and 2, the side surface of the cabinet body unit 1, which is far away from the cabinet door, is provided with micro air holes 14, and the micro air holes 14 are communicated with the storage room, so that the air permeability of the cabinet body unit 1 is further improved, and the occurrence of malodorous gas generated in the cabinet body unit 1 is further reduced. The diameter of the micro-air holes 14 is smaller than 1.5mm, for example, the diameter of the micro-air holes 14 may be 0.8mm, 1.2mm, etc., and in this embodiment, the diameter of the micro-air holes 14 is 1.0mm, so as to prevent mosquitoes from entering the storage chamber.
The implementation principle of the collective dining room cupboard on the construction site is as follows: when the cupboard is used, liquid on tableware flows to the bottom of the mounting groove 31 through the water permeable member 2, then is collected into the lower-layer cupboard body unit 1 through the water drain hole 12, and the liquid in the lower-layer cupboard body unit 1 is discharged into the guide member 4 and then is discharged through the guide hole, so that the concentrated sewage treatment by workers is facilitated.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (9)

1. The utility model provides a building site collective dining room cupboard, includes cabinet body unit (1), its characterized in that: a drain hole (12) is formed in the side wall, close to the ground, of the cabinet body unit (1), and the drain hole (12) is communicated with the interior of the cabinet body unit (1);
the cabinet body units (1) are arranged in a plurality along the vertical direction, communication holes (13) are formed in the side surfaces, far away from the ground, of the cabinet body units (1), and the water drain holes (12) of the upper cabinet body units (1) are mutually communicated with the communication holes (13) of the lower cabinet body units (1).
2. A worksite collective dining room cupboard according to claim 1, characterized in that: the cabinet body unit (1) is provided with a guide piece (4) at a position corresponding to the drain hole (12), an opening is formed in the side surface, close to the cabinet body unit (1), of the guide piece (4), and the drain hole (12) is communicated with the inside of the guide piece (4); the side surface of the guide piece (4) far away from the cabinet body unit (1) is provided with a guide hole, and the guide hole is communicated with the inside of the guide piece (4).
3. A worksite collective dining cabinet as defined in claim 2, wherein: the guide piece (4) is provided with a guide pipe (5) at a position corresponding to the guide hole, one end of the guide pipe (5) is connected to the cabinet body unit (1), and the other end of the guide pipe is inserted into the communication hole (13) of the lower cabinet body unit (1).
4. A worksite collective canteen cupboard according to any one of claims 1-3, characterized in that: the water-blocking plate (3) is arranged at the opening of the cabinet body unit (1), and the water-blocking plate (3) and the inner side wall of the cabinet body unit (1) form an installation groove (31) with an opening deviating from the ground.
5. A worksite collective dining cabinet as defined in claim 4, wherein: the novel water permeable cabinet is characterized in that a water permeable piece (2) is arranged inside the cabinet body unit (1), the water permeable piece (2) is of a net plate-shaped structure, the water permeable piece (2) is paved on the side wall, close to the ground, of the cabinet body unit (1), and liquid can pass through the water permeable piece (2) from any angle of the water permeable piece (2).
6. A worksite collective dining cabinet as defined in claim 3, wherein: the plurality of drain holes (12) are formed, the plurality of drain holes (12) are uniformly formed in the side wall, close to the ground, of the cabinet body unit (1), and the plurality of guide pieces (4) are arranged corresponding to the plurality of drain holes (12).
7. A worksite collective dining cabinet as defined in claim 3, wherein: the cross-sectional area of the guide pipe (5) on a plane parallel to the ground gradually reduces from one end close to the cabinet body unit (1) to one end far away from the cabinet body unit (1) along the length direction of the guide pipe.
8. A worksite collective dining cabinet as defined in claim 4, wherein: the side surface of the mounting groove (31) perpendicular to the ground is uniformly provided with a plurality of ventilation holes (32).
9. A worksite collective dining cabinet as defined in claim 4, wherein: the side of the cabinet body unit (1) far away from the opening of the cabinet body unit is provided with micro-air holes (14), and the diameter of the micro-air holes (14) is not more than 1.5mm.
CN202321448668.3U 2023-06-07 2023-06-07 Building site collective dining room cupboard Active CN220494602U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321448668.3U CN220494602U (en) 2023-06-07 2023-06-07 Building site collective dining room cupboard

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321448668.3U CN220494602U (en) 2023-06-07 2023-06-07 Building site collective dining room cupboard

Publications (1)

Publication Number Publication Date
CN220494602U true CN220494602U (en) 2024-02-20

Family

ID=89880056

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321448668.3U Active CN220494602U (en) 2023-06-07 2023-06-07 Building site collective dining room cupboard

Country Status (1)

Country Link
CN (1) CN220494602U (en)

Similar Documents

Publication Publication Date Title
KR101135926B1 (en) Vegetation device for wall greening
KR101068556B1 (en) Apparatus for Claritying Raw Water and An Aquarium using thereof
KR100831928B1 (en) A movable bathing vehicles
CN104813861A (en) Assembly type plant wall provided with air purifying system and integrated with building
CN220494602U (en) Building site collective dining room cupboard
CN101748784A (en) Automatic sealing deepwater floor drain
EP2955289A1 (en) Air treatment device
CN203498975U (en) Toilet seat
CN203775882U (en) Flushing-free pig house conforming to pig behavioristics and ergonomics
CN208235669U (en) The toilet deodorization system of deodorization squatting pan and its composition
CN203684368U (en) Siphon pedestal pan
CN202706151U (en) Novel floor drain
CN211774419U (en) Hidden drainage structures in bathroom
CN213926559U (en) Water circulation system of mobile toilet
CN219604479U (en) Exhaust device of assembled toilet
CN217924019U (en) Rectangular floor drain
CN220847947U (en) Deodorizing floor drain of assembled building
CN210066970U (en) Floor drain with kicking cover plate
CN216974294U (en) Household isolation protection device
CN216533345U (en) Snake raising device
CN217711061U (en) Linear floor drain that can suspend and hide
CN210459578U (en) Bathroom prevention of seepage water structure
CN219011410U (en) Assembled toilet reclaimed water recycling toilet flushing system
KR20120000138A (en) Environment-friendly toilet
CN201309857Y (en) Sewage treatment device

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant