CN216637381U - Automatic peculiar smell removing device for unloading storage chamber of garbage power plant - Google Patents

Automatic peculiar smell removing device for unloading storage chamber of garbage power plant Download PDF

Info

Publication number
CN216637381U
CN216637381U CN202121805699.0U CN202121805699U CN216637381U CN 216637381 U CN216637381 U CN 216637381U CN 202121805699 U CN202121805699 U CN 202121805699U CN 216637381 U CN216637381 U CN 216637381U
Authority
CN
China
Prior art keywords
fixedly connected
box body
plate
box
peculiar smell
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
CN202121805699.0U
Other languages
Chinese (zh)
Inventor
潘兴良
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.)
Jiangsu Tianxing Environmental Protection Co ltd
Original Assignee
Jiangsu Tianxing Environmental Protection 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 Jiangsu Tianxing Environmental Protection Co ltd filed Critical Jiangsu Tianxing Environmental Protection Co ltd
Priority to CN202121805699.0U priority Critical patent/CN216637381U/en
Application granted granted Critical
Publication of CN216637381U publication Critical patent/CN216637381U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Filtration Of Liquid (AREA)

Abstract

The utility model discloses an automatic peculiar smell removing device for a discharging storage chamber of a garbage power plant, which belongs to the field of garbage power plants and comprises a box body, wherein a fixed plate is fixedly connected to the inner wall of the box body, a fan is fixedly connected to the top of the fixed plate, the top of the fan is fixedly connected with the top of an inner cavity of the box body, one side of the fan is communicated with an air suction pipe, the other side of the fan is communicated with a first connecting pipe, the other end of the first connecting pipe is communicated with a filter box, a dismounting mechanism is arranged inside the filter box, the bottom of the filter box is fixedly connected with the top of the fixed plate, the surface of the filter box is fixedly connected with the inner wall of the box body, a spraying mechanism is arranged inside the box body, and the dismounting mechanism comprises a connecting plate, a filter screen body, a sealing plate, a baffle plate, a pull rod and a bolt. The utility model solves the problems that the filter screen of the existing peculiar smell removing device can not be disassembled, is inconvenient for cleaning and replacing by users, and can not cover the peculiar smell which is not completely filtered without a device for spraying fragrant mist, thereby being inconvenient for the users to use.

Description

Automatic peculiar smell removing device for unloading storage chamber of garbage power plant
Technical Field
The utility model relates to the field of peculiar smell removing devices, in particular to an automatic peculiar smell removing device for a discharging storage chamber of a garbage power plant.
Background
Along with the development of society, the quality of life of residents is higher and higher, and the requirement on air quality is higher and higher, and on the other hand, the peculiar smell generated by a garbage power plant is harmful to health, so that people pay attention to the peculiar smell.
The filter screen of the existing peculiar smell removing device cannot be detached, so that the cleaning and the replacement of users are inconvenient, and the existing peculiar smell removing device is not provided with a device for spraying fragrant mist, the unfiltered and complete peculiar smell cannot be covered, and the use of people is inconvenient, so that the technical personnel in the field provide an automatic peculiar smell removing device for a discharging storage chamber of a garbage power plant to solve the problems provided in the background technology.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an automatic peculiar smell removing device for a discharging storage chamber of a garbage power plant, which aims to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: an automatic peculiar smell removing device for a discharging storage chamber of a garbage power plant comprises a box body, wherein a fixed plate is fixedly connected to the inner wall of the box body, a fan is fixedly connected to the top of the fixed plate, the top of the fan is fixedly connected with the top of an inner cavity of the box body, one side of the fan is communicated with an air suction pipe, the other side of the fan is communicated with a first connecting pipe, the other end of the first connecting pipe is communicated with a filter box, a dismounting mechanism is arranged inside the filter box, the bottom of the filter box is fixedly connected with the top of the fixed plate, the surface of the filter box is fixedly connected with the inner wall of the box body, and a spraying mechanism is arranged inside the box body;
the disassembling mechanism comprises a connecting plate, a filter screen body, a sealing plate, a baffle, a pull rod and a bolt, the bottom of the connecting plate is movably connected with the inner wall of the filter box, the top of the connecting plate is fixedly connected with the bottom of the filter screen body, the top of the filter screen body is fixedly connected with the bottom of the sealing plate, the two sides of the sealing plate are fixedly connected with the inner wall of the box body, the top of the sealing plate is fixedly connected with the bottom of the baffle, the bottom of the baffle is movably connected with the top of the box body, the top of the baffle is fixedly connected with the bottom of the pull rod, the inner part of the baffle is in threaded connection with the surface of the bolt, and the surface of the bolt is in threaded connection with the inner wall of the box body.
As a further scheme of the utility model: the spraying mechanism comprises a water tank, a second connecting pipe, a water pump, a telescopic pipe, a spray head, a connecting rod, a gear, a supporting rod, a toothed plate, a lifting rod and an electric telescopic rod, wherein the surface of the water tank is fixedly connected with the inner wall of the tank body, one side of the water tank is communicated with one end of the second connecting pipe, the other end of the second connecting pipe is communicated with one side of the water pump, the other side of the water pump is communicated with one end of the telescopic pipe, the other end of the telescopic pipe extends to the outside of the tank body and is communicated with the top of the spray head, one side of the spray head is fixedly connected with one end of the connecting rod, the other end of the connecting rod extends to the inside of the tank body and is fixedly connected with one side of the gear, the front of the gear is movably connected with one end of the supporting rod through a pin shaft, the other end of the supporting rod is fixedly connected with the bottom of the inner cavity of the tank body, and the other side of the gear is meshed with one side of the toothed plate, the other side of pinion rack and the one end fixed connection of lifter, the other end of lifter and electric telescopic handle's one end fixed connection, electric telescopic handle's the other end and the bottom fixed connection of box inner chamber.
As a still further scheme of the utility model: the bottom fixedly connected with supporting seat of fixed plate, the bottom of supporting seat and the top fixed connection of water pump.
As a still further scheme of the utility model: a clamping groove is formed in one side of the box body, and the interior of the clamping groove is movably connected with the surface of the connecting rod.
As a still further scheme of the utility model: the bottom fixedly connected with fixed column of box, one side fixedly connected with spliced pole of fixed column, the bottom fixedly connected with bottom plate of fixed column.
As a still further scheme of the utility model: the bottom of bottom plate is provided with the wheel, the quantity of wheel is four.
As a still further scheme of the utility model: one side of the box body is provided with a control panel, and the other side of the control panel is provided with a control button.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, the fan sucks gas with peculiar smell into the filter box through the air suction pipe and the first connecting pipe, the gas is discharged after being filtered by the filter screen body, the dismounting mechanism is arranged, a user pulls the pull rod to drive the baffle plate to move up and down, the baffle plate drives the sealing plate, the filter screen body and the connecting plate to move up and down, the filter screen body can be dismounted and dismounted, the cleaning and the replacement of the user are facilitated, the spraying mechanism is arranged, the fragrant spraying is conveniently and efficiently sprayed into the air to cover the peculiar smell, and the problems that the filter screen of the existing peculiar smell removing device cannot be dismounted and is inconvenient to clean and replace for the user, the device for spraying the fragrant spraying is not arranged, the smell which is not completely filtered cannot be covered, and the use by people is inconvenient are solved.
2. According to the utility model, the water pump pumps liquid in the water tank to the spray head through the second connecting pipe and the telescopic pipe and then sprays the liquid, the lifting rod and the toothed plate are driven to move up and down through the electric telescopic rod, the toothed plate drives the gear to rotate, the supporting rod supports the gear, the gear drives the connecting rod and the spray head to rotate, the spraying efficiency can be improved, aromatic spraying in the air can be conveniently and efficiently carried out to cover peculiar smell, the supporting seat is arranged at the bottom of the fixed plate to support the water pump, the clamping groove is arranged in the box body to provide a moving range for the connecting rod, the fixed column, the connecting column and the bottom plate are arranged at the bottom of the box body to support the box body, the wheels are arranged at the bottom of the bottom plate to facilitate movement of the box body, the control panel and the control button are arranged at one side of the box body, and a user can press the control button to control the fan, And opening and closing the water pump and the electric telescopic rod.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a cross-sectional view of the structure of the present invention;
FIG. 3 is an enlarged view of the structure A in FIG. 2 according to the present invention.
In the figure: 1. a box body; 2. a fixing plate; 3. a fan; 4. an air suction pipe; 5. a first connecting pipe; 6. a filter box; 7. a disassembly mechanism; 71. a connecting plate; 72. a filter screen body; 73. a sealing plate; 74. a baffle plate; 75. a pull rod; 76. a bolt; 8. a spraying mechanism; 81. a water tank; 82. a second connecting pipe; 83. a water pump; 84. a telescopic pipe; 85. a spray head; 86. a connecting rod; 87. a gear; 88. a support bar; 89. a toothed plate; 810. a lifting rod; 811. an electric telescopic rod; 9. a supporting seat; 10. a card slot; 11. fixing a column; 12. connecting columns; 13. a base plate; 14. a wheel; 15. a control panel; 16. and a control button.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 3, in the embodiment of the utility model, an automatic odor removing device for a discharging storage chamber of a garbage power plant comprises a box body 1, wherein a fixed plate 2 is fixedly connected to the inner wall of the box body 1, a fan 3 is fixedly connected to the top of the fixed plate 2, the top of the fan 3 is fixedly connected to the top of an inner cavity of the box body 1, one side of the fan 3 is communicated with an air suction pipe 4, the other side of the fan 3 is communicated with a first connecting pipe 5, the other end of the first connecting pipe 5 is communicated with a filter box 6, a dismounting mechanism 7 is arranged inside the filter box 6, the bottom of the filter box 6 is fixedly connected to the top of the fixed plate 2, the surface of the filter box 6 is fixedly connected to the inner wall of the box body 1, and a spraying mechanism 8 is arranged inside the box body 1;
the disassembling mechanism 7 comprises a connecting plate 71, a filter screen body 72, a sealing plate 73, a baffle plate 74, a pull rod 75 and a bolt 76, wherein the bottom of the connecting plate 71 is movably connected with the inner wall of the filter box 6, the top of the connecting plate 71 is fixedly connected with the bottom of the filter screen body 72, the top of the filter screen body 72 is fixedly connected with the bottom of the sealing plate 73, two sides of the sealing plate 73 are fixedly connected with the inner wall of the box body 1, the top of the sealing plate 73 is fixedly connected with the bottom of the baffle plate 74, the bottom of the baffle plate 74 is movably connected with the top of the box body 1, the top of the baffle plate 74 is fixedly connected with the bottom end of the pull rod 75, the inner part of the baffle plate 74 is in threaded connection with the surface of the bolt 76, and the surface of the bolt 76 is in threaded connection with the inner wall of the box body 1.
Fan 3 inhales the inside of rose box 6 through aspiration channel 4 and first connecting pipe 5 with the gas that has the peculiar smell, discharge after filter screen body 72 filters, through setting up detaching mechanism 7, user of service pulling 75 drives baffle 74 and reciprocates, baffle 74 drives closing plate 73, filter screen body 72 and connecting plate 71 reciprocate, can dismantle filter screen body 72, make things convenient for user of service's washing and change, through setting up spraying mechanism 8, make things convenient for efficient to spray aromatic spraying in the air, be used for covering the peculiar smell, it can not dismantle to have solved current peculiar smell removal device filter screen, inconvenient user of service's washing and change, and not have the device that sprays aromatic spraying, can not cover the not complete peculiar smell of filtering, the problem of inconvenient people use.
In this embodiment, the spraying mechanism 8 includes a water tank 81, a second connecting pipe 82, a water pump 83, an extension pipe 84, a spray head 85, a connecting rod 86, a gear 87, a support rod 88, a toothed plate 89, a lifting rod 810 and an electric telescopic rod 811, wherein the surface of the water tank 81 is fixedly connected with the inner wall of the tank body 1, one side of the water tank 81 is communicated with one end of the second connecting pipe 82, the other end of the second connecting pipe 82 is communicated with one side of the water pump 83, the other side of the water pump 83 is communicated with one end of the extension pipe 84, the other end of the extension pipe 84 extends to the outside of the tank body 1 and is communicated with the top of the spray head 85, one side of the spray head 85 is fixedly connected with one end of the connecting rod 86, the other end of the connecting rod 86 extends to the inside of the tank body 1 and is fixedly connected with one side of the gear 87, the front of the gear 87 is movably connected with one end of the support rod 88 through a pin, the other end of the support rod 88 is fixedly connected with the bottom of the inner cavity of the tank body 1, the other side of gear 87 meshes with one side of pinion rack 89, and the opposite side of pinion rack 89 and the one end fixed connection of lifter 810, the other end of lifter 810 and the one end fixed connection of electric telescopic handle 811, and the other end of electric telescopic handle 811 and the bottom fixed connection of box 1 inner chamber.
Through setting up spraying mechanism 8, water pump 83 is spout after sending to shower nozzle 85 through second connecting pipe 82 and flexible pipe 84 with the inside liquid pump of water tank 81, drives lifter 810 and pinion rack 89 through electric telescopic handle 811 and reciprocates, and pinion rack 89 drives gear 87 and rotates, and bracing piece 88 provides the support for gear 87, and gear 87 drives connecting rod 86 and shower nozzle 85 and rotates, can improve and spray efficiency, and convenient efficient sprays fragrant spraying in to the air for cover the peculiar smell.
In this embodiment, the bottom of the fixing plate 2 is fixedly connected with a supporting seat 9, and the bottom of the supporting seat 9 is fixedly connected with the top of the water pump 83.
Through setting up supporting seat 9, install supporting seat 9 in the bottom of fixed plate 2, can provide the support for water pump 83.
In this embodiment, a slot 10 is formed at one side of the case 1, and the inside of the slot 10 is movably connected to the surface of the connecting rod 86.
Through setting up draw-in groove 10, set up draw-in groove 10 in the inside of box 1, can provide the home range for connecting rod 86.
In this embodiment, the bottom fixedly connected with fixed column 11 of box 1, one side fixedly connected with spliced pole 12 of fixed column 11, the bottom fixedly connected with bottom plate 13 of fixed column 11.
Through setting up fixed column 11, spliced pole 12 and bottom plate 13, install fixed column 11, spliced pole 12 and bottom plate 13 in the bottom of box 1, can provide the support for box 1.
In the present embodiment, the bottom of the bottom plate 13 is provided with wheels 14, and the number of the wheels 14 is four.
By arranging the wheels 14, the wheels 14 are arranged at the bottom of the bottom plate 13, so that the box body 1 can be conveniently moved.
In this embodiment, one side of the case 1 is provided with a control panel 15, and the other side of the control panel 15 is provided with a control button 16.
Through setting up control panel 15 and control button 16, install control panel 15 and control button 16 in one side of box 1, the user pushes down control button 16, can control opening and closing of fan 3, water pump 83 and electric telescopic handle 811.
The working principle of the utility model is as follows: starting a fan 3, sucking the gas with peculiar smell into a filter box 6 by the fan 3 through an air suction pipe 4 and a first connecting pipe 5, discharging the gas after being filtered by a filter screen body 72, pulling a pull rod 75 by a user to drive a baffle 74 to move up and down, driving a sealing plate 73 to move up and down by the baffle 74, driving the filter screen body 72 by the sealing plate 73 to move up and down, driving a connecting plate 71 by the filter screen body 72 to move up and down, detaching the filter screen body 72, facilitating the cleaning and replacement of the user, starting a water pump 83, pumping the liquid in a water tank 81 to a spray head 85 by the water pump 83 through a second connecting pipe 82 and a telescopic pipe 84, starting an electric telescopic rod 811, driving a lifting rod 810 to move up and down by the electric telescopic rod 811, driving a toothed plate 89 to move up and down, driving a gear 87 to rotate by the toothed plate 89, supporting the supporting rod 88 provides support for the gear 87, and the gear 87 drives the connecting rod 86 to rotate by the gear 87, connecting rod 86 drives shower nozzle 85 and removes, can improve and spray efficiency, and convenient efficient sprays fragrant spraying in to the air for cover the peculiar smell, solved current peculiar smell device filter screen that removes and can not dismantle, inconvenient user of service's washing and change, and do not have the device that sprays fragrant spraying, can not cover the problem that inconvenient people used to not filter complete peculiar smell.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims (7)

1. The utility model provides a rubbish power plant is automatic peculiar smell device that removes for apotheca of unloading, includes box (1), its characterized in that: the inner wall of the box body (1) is fixedly connected with a fixing plate (2), the top of the fixing plate (2) is fixedly connected with a fan (3), the top of the fan (3) is fixedly connected with the top of an inner cavity of the box body (1), one side of the fan (3) is communicated with an air suction pipe (4), the other side of the fan (3) is communicated with a first connecting pipe (5), the other end of the first connecting pipe (5) is communicated with a filter box (6), a dismounting mechanism (7) is arranged inside the filter box (6), the bottom of the filter box (6) is fixedly connected with the top of the fixing plate (2), the surface of the filter box (6) is fixedly connected with the inner wall of the box body (1), and a spraying mechanism (8) is arranged inside the box body (1);
the disassembling mechanism (7) comprises a connecting plate (71), a filter screen body (72), a sealing plate (73), a baffle plate (74), a pull rod (75) and a bolt (76), the bottom of the connecting plate (71) is movably connected with the inner wall of the filter box (6), the top of the connecting plate (71) is fixedly connected with the bottom of the filter screen body (72), the top of the filter screen body (72) is fixedly connected with the bottom of the sealing plate (73), two sides of the sealing plate (73) are fixedly connected with the inner wall of the box body (1), the top of the sealing plate (73) is fixedly connected with the bottom of the baffle plate (74), the bottom of the baffle plate (74) is movably connected with the top of the box body (1), the top of the baffle plate (74) is fixedly connected with the bottom end of the pull rod (75), and the inner part of the baffle plate (74) is in threaded connection with the surface of the bolt (76), the surface of the bolt (76) is in threaded connection with the inner wall of the box body (1).
2. The automatic peculiar smell removing device for the discharging storage chamber of the garbage power plant according to claim 1 is characterized in that: the spraying mechanism (8) comprises a water tank (81), a second connecting pipe (82), a water pump (83), an expansion pipe (84), a spray head (85), a connecting rod (86), a gear (87), a supporting rod (88), a toothed plate (89), a lifting rod (810) and an electric telescopic rod (811), wherein the surface of the water tank (81) is fixedly connected with the inner wall of the box body (1), one side of the water tank (81) is communicated with one end of the second connecting pipe (82), the other end of the second connecting pipe (82) is communicated with one side of the water pump (83), the other side of the water pump (83) is communicated with one end of the expansion pipe (84), the other end of the expansion pipe (84) extends to the outside of the box body (1) and is communicated with the top of the spray head (85), one side of the spray head (85) is fixedly connected with one end of the connecting rod (86), the other end of the connecting rod (86) extends to the inside of the box body (1) and is fixedly connected with one side of the gear (87), the front of gear (87) is through the one end swing joint of round pin axle with bracing piece (88), the other end of bracing piece (88) and the bottom fixed connection of box (1) inner chamber, the opposite side of gear (87) and one side meshing of pinion rack (89), the opposite side of pinion rack (89) and the one end fixed connection of lifter (810), the other end of lifter (810) and the one end fixed connection of electric telescopic handle (811), the other end of electric telescopic handle (811) and the bottom fixed connection of box (1) inner chamber.
3. The automatic peculiar smell removing device for the discharging and storing chamber of the garbage power plant as claimed in claim 2, characterized in that: the bottom fixedly connected with supporting seat (9) of fixed plate (2), the bottom of supporting seat (9) and the top fixed connection of water pump (83).
4. The automatic peculiar smell removing device for the discharging and storing chamber of the garbage power plant as claimed in claim 2, is characterized in that: a clamping groove (10) is formed in one side of the box body (1), and the interior of the clamping groove (10) is movably connected with the surface of the connecting rod (86).
5. The automatic peculiar smell removing device for the discharging storage chamber of the garbage power plant according to claim 1 is characterized in that: the bottom fixedly connected with fixed column (11) of box (1), one side fixedly connected with spliced pole (12) of fixed column (11), the bottom fixedly connected with bottom plate (13) of fixed column (11).
6. The automatic peculiar smell removing device for the discharging storage chamber of the garbage power plant according to claim 5 is characterized in that: the bottom of the bottom plate (13) is provided with four wheels (14), and the number of the wheels (14) is four.
7. The automatic peculiar smell removing device for the discharging storage chamber of the garbage power plant according to claim 1 is characterized in that: one side of the box body (1) is provided with a control panel (15), and the other side of the control panel (15) is provided with a control button (16).
CN202121805699.0U 2021-08-04 2021-08-04 Automatic peculiar smell removing device for unloading storage chamber of garbage power plant Active CN216637381U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121805699.0U CN216637381U (en) 2021-08-04 2021-08-04 Automatic peculiar smell removing device for unloading storage chamber of garbage power plant

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121805699.0U CN216637381U (en) 2021-08-04 2021-08-04 Automatic peculiar smell removing device for unloading storage chamber of garbage power plant

Publications (1)

Publication Number Publication Date
CN216637381U true CN216637381U (en) 2022-05-31

Family

ID=81722910

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121805699.0U Active CN216637381U (en) 2021-08-04 2021-08-04 Automatic peculiar smell removing device for unloading storage chamber of garbage power plant

Country Status (1)

Country Link
CN (1) CN216637381U (en)

Similar Documents

Publication Publication Date Title
CN212788409U (en) Department of general surgery's operating room nursing cleaning device
CN216637381U (en) Automatic peculiar smell removing device for unloading storage chamber of garbage power plant
CN116618349A (en) Pharmacy dust removing device and using method thereof
CN214287325U (en) Environmental air purification dust collector
CN215741314U (en) Domestic type plain type medicine atomizer
CN213719272U (en) Livestock-raising ground cleaning device
CN212262506U (en) Sewage filtering equipment for sewage treatment
CN219052371U (en) Movable atomizing sterilizer
CN216026559U (en) Wash abundant atmospheric pressure stick washing equipment
CN215945665U (en) Biological waste recycling bin for bioengineering
CN218653674U (en) Automatic high-efficient recovery unit of spraying powder
CN215939405U (en) Dust fall equipment is used in building engineering construction with circulation structure
CN220559593U (en) Dry-type environmental protection spray booth
CN216397189U (en) Herbal pieces-dust collector
CN217759454U (en) Energy-saving breathing type glass curtain wall
CN220939819U (en) Waste gas treatment device
CN220817999U (en) Automatic disinfection structure for ventilation maintenance of civil air defense
CN217724883U (en) Filter core washing cleaning device
CN219767629U (en) Circumferential swinging oil cylinder flange end face machining equipment
CN220634492U (en) Waste treatment equipment
CN213884358U (en) Stem cell exosomes draws degassing unit for equipment
CN220728397U (en) Prevent that foreign matter gets into ultrasonic atomization humidifier of fog pipe
CN211411367U (en) Indoor disinfection air purifier that disinfects
CN215446596U (en) Wet process static combined type oil smoke purifies all-in-one
CN220181681U (en) Waste acid filtering, recycling and storing device

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant