CN217763614U - Improved far infrared high-temperature radiation electric heater - Google Patents

Improved far infrared high-temperature radiation electric heater Download PDF

Info

Publication number
CN217763614U
CN217763614U CN202220873842.8U CN202220873842U CN217763614U CN 217763614 U CN217763614 U CN 217763614U CN 202220873842 U CN202220873842 U CN 202220873842U CN 217763614 U CN217763614 U CN 217763614U
Authority
CN
China
Prior art keywords
shaped
frame
seat
far infrared
clamping
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.)
Expired - Fee Related
Application number
CN202220873842.8U
Other languages
Chinese (zh)
Inventor
陈建友
高国富
牛强
张敏
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.)
Huairen Youqing Smart New Energy Technology Co ltd
Original Assignee
Huairen Youqing Smart New Energy Technology 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 Huairen Youqing Smart New Energy Technology Co ltd filed Critical Huairen Youqing Smart New Energy Technology Co ltd
Priority to CN202220873842.8U priority Critical patent/CN217763614U/en
Application granted granted Critical
Publication of CN217763614U publication Critical patent/CN217763614U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Resistance Heating (AREA)

Abstract

The utility model provides an improved generation far infrared high temperature radiation electric heater, including moving the seat, remove the brake wheel, the protection pad, the supporting seat, the fixed orifices can centre gripping support rotates the seat structure, can rotate the protection and press the cover block structure, can carry and draw and dismantle and remove the cover structure, the shell frame, first U type frame, first protection roller, U type piece, fixed frame, grafting seat and far infrared radiant tube, the lower extreme four corners position of moving the seat respectively the bolt fastening have remove the brake wheel; the middle position of the upper end of the movable seat is glued with a protective pad. The utility model discloses peg graft pole, wing nut, rotor plate, grip block, the setting of supporting seat and fixed orifices is favorable to the in-process of using through loosening wing nut, then rotates outer shell frame, and the angle of convenient in-process adjustment outer shell frame that uses is fit for using work in the environment of difference.

Description

Improved far infrared high-temperature radiation electric heater
Technical Field
The utility model belongs to the technical field of electric heater equipment, especially, relate to a follow-on far infrared high temperature radiation electric heater.
Background
Far infrared high temperature radiation electric heaters are widely used in hotels, schools, offices and homes due to their advantages of no pollution, fast temperature rise, high heat conversion efficiency, etc.
However, the existing far infrared high temperature radiation electric heater also has the problems that the adjustment work according to the use environment is inconvenient in the use process, the support and the reinforcement are inconvenient in the use process, and the maintenance is inconvenient.
Therefore, it is necessary to develop an improved far infrared high temperature radiation electric heater.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a follow-on far infrared high temperature radiation electric heater to solve current far infrared high temperature radiation electric heater and still having the in-process inconvenient work of adjusting according to the service environment that uses, inconvenient in-process that uses supports the problem of consolidating and inconvenient maintaining. An improved far infrared high-temperature radiation electric heater comprises a moving seat, a moving brake wheel, a protective pad, a supporting seat, a fixing hole, a clamping and supporting rotating seat structure, a rotatable protective pressing and covering block structure, a liftable and detachable moving cover structure, an outer shell frame, a first U-shaped frame, a first protective roller, a U-shaped block, a fixing frame, an inserting seat and a far infrared radiation tube, wherein the moving brake wheel is respectively fixed at the four corners of the lower end of the moving seat through bolts; the middle position of the upper end of the movable seat is glued with a protective pad; the supporting seats are respectively fixed on the left side and the right side of the upper end of the movable seat through bolts, and the upper ends of the supporting seats are respectively provided with a fixing hole; the structure capable of clamping and supporting the rotating seat is arranged in the fixed hole; the rotatable protection pressing and covering block structure is arranged in the middle of the upper end of the supporting seat; the movable cover structure capable of being lifted, dismounted and moved is arranged in the middle of the upper end of the shell frame; the outer shell frame is fixed between the clamping supporting rotating seat structures; the inner walls of the left side and the right side of the outer shell frame are respectively fixed with a first U-shaped frame through bolts; a first protective roller is fixed on an inner pin shaft of the first U-shaped frame; the U-shaped blocks are sequentially bolted to the bottom end of the interior of the shell frame from left to right; the fixing frame is inserted between the first U-shaped frames, and the lower end of the fixing frame is inserted in the middle of the inner part of the upper end of the U-shaped block; the plug sockets are sequentially connected to the top end and the bottom end of the inside of the fixed frame through bolts from left to right; two ends of the far infrared radiant tube are respectively inserted in the socket; the clamping and supporting rotating seat structure comprises an inserting rod, a wing-shaped nut, a rotating plate, a clamping plate and a second protective roller, wherein the right side of the outer wall of the inserting rod is in threaded connection with the wing-shaped nut; the left end of the insertion rod is connected to the middle position of the right side of the rotating plate through a bolt; the middle position of the front of the left side and the middle position of the back of the left side of the rotating plate are respectively connected with a clamping plate through bolts; and a second protective roller is connected to the middle position inside the clamping plate through a pin shaft.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses in, the setting of inserted bar, wing nut, rotor plate, grip block, supporting seat and fixed orifices is favorable to the in-process of using through loosening wing nut, then rotates outer shell frame, the angle of convenient in-process adjustment outer shell frame that uses is fit for using work in the environment of difference.
2. The utility model discloses in, second U type frame, bolt and nut, the turning block, the setting of joint seat and protection piece and shell frame is favorable to setting up through protection piece and shell frame contact at the in-process that uses, conveniently carries out shell frame centre gripping fixed work at the in-process that uses, prevents that the in-process shell frame that uses from rocking.
3. The utility model discloses in, T type lid, the lifting rod, L type supporting rod, the bracing piece, the setting of shell frame and fixed frame is favorable to catching the lifting rod at the in-process that uses and carries out T type lid dismantlement work, the in-process that conveniently uses carries out far infrared radiant tube and maintains and change work.
4. The utility model discloses in, the rotor plate, the grip block, the setting of second protection roller and shell frame is favorable to the in-process that uses to promote shell frame and remove work at the in-process that adjusts through second protection roller and the contact setting of shell frame.
5. The utility model discloses in, second U type frame, bolt and nut, the turning block, the setting of joint seat and protection piece is favorable to putting the shell frame flat at the in-process of adjusting, then will protect the piece and press the upper end of covering at the shell frame, the convenient in-process that uses carries out shell frame reinforcement work.
6. The utility model discloses in, outer shell frame, first U type frame, first protection roller, the setting of U type piece and fixed frame is favorable to running through first U type frame and grafting in the upper end of U type piece through fixed frame at the in-process that uses, the in-process that conveniently uses carries out protection work to the far infrared radiant tube.
7. The utility model discloses in, removal seat, remove the brake wheel, the protection is filled up, the setting of supporting seat and shell frame is favorable to promoting to remove the seat and removes at the in-process that uses, the in-process that conveniently uses increases the removal function.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the rotatable base structure capable of clamping and supporting according to the present invention.
Fig. 3 is a schematic structural view of the rotatable protective cover block structure of the present invention.
Fig. 4 is a schematic structural view of the removable cover structure of the present invention.
In the figure:
1. a movable seat; 2. moving the brake wheel; 3. a protective pad; 4. a supporting base; 5. a fixing hole; 6. the rotary seat structure can be clamped and supported; 61. a plug-in rod; 62. a wing nut; 63. a rotating plate; 64. a clamping plate; 65. a second guard roller; 7. a rotatable protective pressing block structure; 71. a second U-shaped frame; 72. a bolt and a nut; 73. rotating the block; 74. a clamping seat; 75. a protection block; 8. the movable cover structure can be lifted and detached; 81. a T-shaped cover; 82. lifting a pull rod; 83. an L-shaped clamping rod; 84. a support bar; 85. a protection plate; 9. a housing frame; 10. a first U-shaped frame; 11. a first guard roller; 12. a U-shaped block; 13. a fixing frame; 14. a socket; 15. a far infrared radiant tube.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings, as shown in fig. 1 and fig. 2, an improved far infrared high temperature radiation electric heater comprises a movable base 1, a movable brake wheel 2, a protective pad 3, a supporting base 4, a fixing hole 5, a clamping supporting rotary base structure 6, a rotatable protective pressing covering block structure 7, a lifting detachable movable cover structure 8, an outer shell frame 9, a first U-shaped frame 10, a first protective roller 11, a U-shaped block 12, a fixed frame 13, an inserting base 14 and a far infrared radiation tube 15, wherein the movable brake wheel 2 is fixed at the four corners of the lower end of the movable base 1 by bolts; the middle position of the upper end of the movable seat 1 is glued with a protective pad 3; the supporting seats 4 are respectively fixed on the left side and the right side of the upper end of the movable seat 1 through bolts, and the upper ends of the supporting seats 4 are respectively provided with a fixing hole 5; the rotary seat structure 6 capable of clamping and supporting is arranged in the fixed hole 5; the rotatable protection pressing and covering block structure 7 is arranged in the middle of the upper end of the supporting seat 4; the lifting detachable movable cover structure 8 is arranged in the middle of the upper end of the outer shell frame 9; the outer shell frame 9 is fixed between the clamping supporting rotating seat structures 6; the inner walls of the left side and the right side of the outer shell frame 9 are respectively fixed with a first U-shaped frame 10 through bolts; a first protective roller 11 is fixed on an inner pin shaft of the first U-shaped frame 10; the U-shaped blocks 12 are sequentially bolted to the bottom end inside the shell frame 9 from left to right; the fixed frame 13 is inserted between the first U-shaped frames 10, and the lower end of the fixed frame 13 is inserted in the middle position inside the upper end of the U-shaped block 12; the inserting seats 14 are sequentially bolted to the top end and the bottom end of the inner part of the fixing frame 13 from left to right; two ends of the far infrared radiation tube 15 are respectively inserted in the insertion base 14; the clamping supporting rotating seat structure 6 comprises an inserting rod 61, a wing-shaped nut 62, a rotating plate 63, a clamping plate 64 and a second protective roller 65, wherein the wing-shaped nut 62 is connected to the right side of the outer wall of the inserting rod 61 in a threaded mode; the left end of the plug rod 61 is bolted to the middle position of the right side of the rotating plate 63; the middle position of the front side of the left side and the middle position of the rear side of the left side of the rotating plate 63 are respectively connected with a clamping plate 64 through bolts; a second protective roller 65 is connected with the middle position in the clamping plate 64 through a pin shaft; when using, promote to remove seat 1 and remove, will remove seat 1 and remove to suitable position, and use outside wire switch-on external power source and external control equipment, then make far infrared radiant tube 15 begin to work, carry out radiant heating work, at the in-process that heats, as required, loosen airfoil nut 62, and rotate outer shell frame 9, promote outer shell frame 9 simultaneously and remove, make grip block 64 remove to the intermediate position of outer shell frame 9, put outer shell frame 9 flat, the convenient angle that changes outer shell frame 9 at the in-process that uses.
In this embodiment, referring to fig. 3, the rotatable protection pressing block structure 7 includes a second U-shaped frame 71, a bolt and nut 72, a rotating block 73, a clamping seat 74 and a protection block 75, wherein a bolt in the bolt and nut 72 penetrates through the middle position inside the second U-shaped frame 71 and is in threaded connection with the nut; the lower end of the rotating block 73 is inserted in the middle of the upper end of the second U-shaped frame 71; the upper part of the left side of the rotating block 73 is connected with a clamping seat 74 through a bolt; a protection block 75 is inserted in the middle of the left inner side of the clamping seat 74; in the process of changing the angle of the outer shell frame 9, the nuts in the bolt and nut 72 are loosened, the rotating block 73 is rotated, then the protective block 75 is pressed on the proper position at the upper end of the outer shell frame 9, the outer shell frame 9 is conveniently fixed in the using process, and the outer shell frame 9 is prevented from shaking to influence the work in the using process.
In this embodiment, referring to fig. 4, the detachable lifting cover structure 8 includes a T-shaped cover 81, a lifting rod 82, an l-shaped holding rod 83, a support rod 84 and a protection plate 85, wherein the left and right sides of the upper end of the T-shaped cover 81 are respectively connected with the lifting rod 82 through bolts; the left side and the right side of the lower end of the T-shaped cover 81 are respectively connected with an L-shaped clamping rod 83 through bolts; a support rod 84 is inserted in the middle of the lower end of the L-shaped clamping rod 83; the middle position of the front of the lower end of the T-shaped cover 81 and the middle position of the rear of the lower end are respectively connected with a protection plate 85 through bolts; in-process of using for a long time, seizing the upper end outer wall of carrying pull rod 82, then carrying out the dismantlement work of T type lid 81 to drive fixed frame 13 and remove, the in-process that conveniently uses is dismantled and change work far infrared radiant tube 15, is favorable to the in-process maintenance work that uses, thereby accomplishes the electric heater work.
In this embodiment, specifically, the first protective roller 11 is a ceramic roller, and the first protective roller 11 is respectively arranged in contact with the left side and the right side of the fixed frame 13; the outer shell frame 9 is arranged at the upper end of the protection pad 3, and the protection pad 3 is a cuboid silica gel pad.
In this embodiment, specifically, the second protective rollers 65 are PVC rollers and are provided in plurality, and the second protective rollers 65 are respectively provided on the front and rear of the left side of the rotating plate 63.
In this embodiment, specifically, the insertion rod 61 penetrates through the middle position inside the fixing hole 5; the wing nuts 62 are respectively arranged at the upper parts of the left side and the right side of the supporting seat 4 and are in contact arrangement; the clamping plates 64 are respectively arranged at the lower parts of the left side and the right side of the front surface and the lower parts of the left side and the right side of the rear surface of the shell frame 9; the second guard roller 65 is disposed in contact with the housing frame 9.
In this embodiment, specifically, the protection block 75 is a rectangular silica gel block; the bolt in the bolt nut 72 penetrates through the middle position in the lower end of the rotating block 73; the clamping seat 74 is a U-shaped PVC seat.
In this embodiment, specifically, the second U-shaped frames 71 are respectively bolted to the middle positions of the upper ends of the supporting seats 4; the protection blocks 75 are respectively arranged on the upper parts of the left side and the right side of the housing frame 9 and are in contact arrangement.
In this embodiment, specifically, the L-shaped clamping rod 83 is a stainless steel rod with a groove formed in the middle inside the lower end; the protection plate 85 is a rectangular stainless steel plate with a heat insulation layer glued to the inner wall.
In this embodiment, specifically, the lower end of the T-shaped cover 81 is inserted into the middle position inside the upper end of the housing frame 9; the upper end of the fixed frame 13 is respectively inserted between the protection plates 85, and the left side and the right side of the upper end of the fixed frame 13 are respectively inserted inside the L-shaped clamping rods 83; the support rod 84 penetrates through the upper left corner and the upper right corner of the fixing frame 13 respectively.
Principle of operation
The utility model discloses in, when using, promote to remove seat 1 and remove, will remove seat 1 and remove to suitable position, and use outside wire switch-on external power supply and external control equipment, then make far infrared radiant tube 15 begin work, carry out radiant heating work, in the in-process that heats, as required, loosen wing section nut 62, and rotate outer shell frame 9, promote outer shell frame 9 simultaneously and remove, make grip block 64 remove to the intermediate position of outer shell frame 9, put outer shell frame 9 flat, the convenient in-process that uses changes outer shell frame 9's angle and uses, at the in-process that changes outer shell frame 9 angle, loosen the nut in bolt nut 72, and rotate turning block 73, then make protection block 75 press and cover in the suitable position of outer shell frame 9 upper end, the convenience is carrying out outer shell frame 9 fixed work at the in-process that uses, prevent that outer shell frame 9 rocks in the in-process that uses and influences work, in the in-process that uses for a long time, grasp the upper end outer wall of lifting rod 82, then carry out the dismantlement work of T type lid 81, and drive fixed frame 13 and remove, the convenience is in-process that the electric heater is favorable to carrying out the maintenance work and is carried out far infrared work and is carried out the work in the work of using, thereby it accomplishes the far infrared work to be favorable to carry out the in-process.
Utilize technical scheme, or technical staff in the field be in the utility model technical scheme's inspiration, design similar technical scheme, and reach above-mentioned technological effect, all fall into the utility model discloses a protection scope.

Claims (6)

1. An improved far infrared high-temperature radiation electric heater comprises a moving seat (1), a moving brake wheel (2), a protective pad (3), a supporting seat (4), a fixing hole (5), a clamping supporting rotating seat structure (6), a rotatable protective pressing and covering block structure (7), a lifting and dismounting moving cover structure (8), an outer shell frame (9), a first U-shaped frame (10), a first protective roller (11), a U-shaped block (12), a fixing frame (13), an inserting seat (14) and a far infrared radiation tube (15), wherein the moving brake wheel (2) is respectively fixed at the four corners of the lower end of the moving seat (1) through bolts; the middle position of the upper end of the movable seat (1) is glued with a protective pad (3); the supporting seats (4) are respectively fixed on the left side and the right side of the upper end of the movable seat (1) through bolts, and the upper ends of the supporting seats (4) are respectively provided with a fixing hole (5); the outer shell frame (9) is fixed between the clamping supporting rotating seat structures (6); the inner walls of the left side and the right side of the outer shell frame (9) are respectively fixed with a first U-shaped frame (10) through bolts; a first protective roller (11) is fixed on an inner pin shaft of the first U-shaped frame (10); the U-shaped blocks (12) are sequentially bolted to the bottom end inside the shell frame (9) from left to right; the fixing frame (13) is inserted between the first U-shaped frames (10), and the lower end of the fixing frame (13) is inserted in the middle of the inner part of the upper end of the U-shaped block (12); the plug sockets (14) are sequentially connected to the top end and the bottom end of the inner part of the fixed frame (13) through bolts from left to right; two ends of the far infrared radiation tube (15) are respectively inserted in the insertion seats (14); it is characterized in that the clampable supporting rotating seat structure (6) in the improved far infrared high temperature radiation electric heater is arranged in the fixing hole (5); the rotatable protective pressing and covering block structure (7) is arranged in the middle of the upper end of the supporting seat (4); the movable cover structure (8) capable of being lifted and detached is arranged in the middle of the upper end of the outer shell frame (9); the clamping supporting rotating seat structure (6) comprises an inserting rod (61), a wing-shaped nut (62), a rotating plate (63), a clamping plate (64) and a second protective roller (65), wherein the right side of the outer wall of the inserting rod (61) is in threaded connection with the wing-shaped nut (62); the left end of the plug rod (61) is connected to the middle position of the right side of the rotating plate (63) through a bolt; the middle position of the front left side and the middle position of the rear left side of the rotating plate (63) are respectively connected with a clamping plate (64) through bolts; and a second protective roller (65) is connected with the middle position of the inner part of the clamping plate (64) through a pin shaft.
2. The improved far infrared high temperature radiation electric heater as claimed in claim 1, wherein said rotatable guard pressing block structure (7) includes a second U-shaped frame (71), a bolt and nut (72), a turning block (73), a clamping seat (74) and a guard block (75), a bolt of said bolt and nut (72) passes through the middle position of the inside of the second U-shaped frame (71) and is screw-coupled with the nut; the lower end of the rotating block (73) is inserted in the middle of the inner part of the upper end of the second U-shaped frame (71); the upper part of the left side of the rotating block (73) is connected with a clamping seat (74) through a bolt; the middle position of the left inner part of the clamping seat (74) is inserted with a protective block (75).
3. The improved far infrared high temperature radiant electric heater as claimed in claim 1, wherein the removable cover structure (8) comprises a T-shaped cover (81), a lifting rod (82), an L-shaped holding rod (83), a support rod (84) and a protection plate (85), the lifting rod (82) is bolted to the left and right sides of the upper end of the T-shaped cover (81); the left side and the right side of the lower end of the T-shaped cover (81) are respectively connected with an L-shaped clamping rod (83) through bolts; a support rod (84) is inserted in the middle of the inner part of the lower end of the L-shaped clamping rod (83); the middle position in front of the lower end of the T-shaped cover (81) and the middle position behind the lower end of the T-shaped cover are respectively connected with a protection plate (85) through bolts.
4. The improved far infrared high temperature radiant electric heater as claimed in claim 1, wherein the insertion rod (61) penetrates through the inner middle position of the fixing hole (5); the wing-shaped nuts (62) are respectively arranged at the upper parts of the left side and the right side of the supporting seat (4) and are in contact arrangement; the clamping plates (64) are respectively arranged on the lower parts of the left side and the right side of the front surface and the lower parts of the left side and the right side of the rear surface of the shell frame (9); the second protective roller (65) is arranged in contact with the shell frame (9).
5. An improved far infrared high temperature radiation electric heater as set forth in claim 2, wherein said second U-shaped frames (71) are respectively bolted to the upper end intermediate positions of said support bases (4); the protection blocks (75) are respectively arranged on the upper parts of the left side and the right side of the shell frame (9) and are arranged in a contact manner.
6. An improved far infrared high temperature radiation electric heater as set forth in claim 3, wherein the lower end of said T-shaped cover (81) is inserted in the middle of the inside of the upper end of the housing frame (9); the upper end of the fixed frame (13) is respectively inserted between the protection plates (85), and the left side and the right side of the upper end of the fixed frame (13) are respectively inserted inside the L-shaped clamping rods (83); the supporting rod (84) respectively penetrates through the positions of the upper left corner and the upper right corner of the fixing frame (13).
CN202220873842.8U 2022-04-15 2022-04-15 Improved far infrared high-temperature radiation electric heater Expired - Fee Related CN217763614U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220873842.8U CN217763614U (en) 2022-04-15 2022-04-15 Improved far infrared high-temperature radiation electric heater

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220873842.8U CN217763614U (en) 2022-04-15 2022-04-15 Improved far infrared high-temperature radiation electric heater

Publications (1)

Publication Number Publication Date
CN217763614U true CN217763614U (en) 2022-11-08

Family

ID=83882190

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220873842.8U Expired - Fee Related CN217763614U (en) 2022-04-15 2022-04-15 Improved far infrared high-temperature radiation electric heater

Country Status (1)

Country Link
CN (1) CN217763614U (en)

Similar Documents

Publication Publication Date Title
CN217763614U (en) Improved far infrared high-temperature radiation electric heater
CN206479016U (en) A kind of Liftable and movable boron carbide refining furnace
CN210022747U (en) Energy-saving equipment for coating and drying process
CN211012385U (en) Drying equipment for drying black fungus
CN212339834U (en) Civil construction material drying process device
CN215581005U (en) Mounting structure of solar panel photovoltaic board
CN212734055U (en) Novel stoving case is used in production of heat preservation rising head that generates heat
CN211367405U (en) Photovoltaic toughened glass preheater
CN211473557U (en) Electric sunshine awning with adjustable length
CN204949457U (en) Grape drying -machine
CN210037676U (en) Dry heat shrinker
CN221667392U (en) Contaminated soil fine crushing equipment
CN207936715U (en) A kind of drying unit for solar heat-collection plate
CN110815529B (en) Steam curing pool for processing concrete wire pole
CN219802220U (en) Mounting structure of power generation system photovoltaic board
CN217622706U (en) High-efficient type transfer printing machine
CN213880673U (en) Intelligent control cabinet
CN220750818U (en) Blanking clamp of sintering furnace
CN218821462U (en) Drying equipment is used in processing of diesel generating set casing
CN210678128U (en) Ceramic tile edge grinding machine
CN216948943U (en) Adjustable solar energy light and heat glass curtain wall
CN217817741U (en) Vacuum drying device is used in production of phosphatidylserine
CN219296986U (en) Hoisting mechanism for installing electromechanical equipment
CN212988016U (en) Multifunctional tube furnace
CN211476730U (en) Air distribution system of chamber type drying kiln

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20221108

CF01 Termination of patent right due to non-payment of annual fee