CN218211299U - Brickwork wall straightness monitoring device that hangs down - Google Patents

Brickwork wall straightness monitoring device that hangs down Download PDF

Info

Publication number
CN218211299U
CN218211299U CN202222186225.3U CN202222186225U CN218211299U CN 218211299 U CN218211299 U CN 218211299U CN 202222186225 U CN202222186225 U CN 202222186225U CN 218211299 U CN218211299 U CN 218211299U
Authority
CN
China
Prior art keywords
monitoring device
holding rod
storage groove
blocks
ruler
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
CN202222186225.3U
Other languages
Chinese (zh)
Inventor
赵琪
崔连龙
孙方泉
刘学柱
王云磊
游德群
莫凯翔
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.)
China Railway Construction Engineering Group Co Ltd
China Railway Construction Engineering Group Second Construction Co Ltd
Original Assignee
China Railway Construction Engineering Group Co Ltd
China Railway Construction Engineering Group Second Construction 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 China Railway Construction Engineering Group Co Ltd, China Railway Construction Engineering Group Second Construction Co Ltd filed Critical China Railway Construction Engineering Group Co Ltd
Priority to CN202222186225.3U priority Critical patent/CN218211299U/en
Application granted granted Critical
Publication of CN218211299U publication Critical patent/CN218211299U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • A Measuring Device Byusing Mechanical Method (AREA)

Abstract

The monitoring device comprises two ruler bodies, a detection device body, a holding rod and a fixing assembly, wherein one ends of the ruler bodies are mutually hinged, the detection device body and the holding rod are arranged on the ruler bodies, and the fixing assembly is arranged between the two ruler bodies and is used for fixing the hinged side of the two ruler bodies; the holding rod is arranged in the storage groove, and a clamping mechanism used for fixing the holding rod into the storage groove is arranged between the holding rod and the ruler body. This application has the detector of being convenient for and carries out the gripping to the guiding ruler, makes the not fragile effect of guiding ruler.

Description

Brickwork wall straightness monitoring device that hangs down
Technical Field
The application relates to the field of building construction detection technology, in particular to a masonry wall perpendicularity monitoring device.
Background
The perpendicularity monitoring device is used for monitoring the perpendicularity of the masonry wall, is an essential inspection process in the building construction process and is used for guaranteeing the construction quality.
At present, the straightness monitoring devices that hangs down is of a great variety, including laser detection, plummet detection, guiding ruler detection etc. the measurement personnel generally adopt the guiding ruler to detect, and the guiding ruler includes blade and display interface, but examines time measuring through the guiding ruler, and it needs the measurement personnel to compress tightly the both sides of guiding ruler with the hand, and the guiding ruler is longer about being two meters usually, and the surface of guiding ruler is comparatively smooth, and the measurement personnel hand is difficult for the gripping to cause the skid easily, lead to the guiding ruler collision damage.
SUMMERY OF THE UTILITY MODEL
In order to facilitate the testing personnel to carry out the gripping to the guiding ruler, make the guiding ruler not fragile, this application provides a brickwork wall straightness monitoring device that hangs down.
The application provides a pair of brickwork wall straightness monitoring device that hangs down adopts following technical scheme:
a masonry wall perpendicularity monitoring device comprises two ruler bodies, a detection device body, a holding rod and a fixing component, wherein one ends of the ruler bodies are hinged to each other;
the holding rod is arranged in the storage groove, and a clamping mechanism used for fixing the holding rod into the storage groove is arranged between the holding rod and the ruler body.
Through adopting the above technical scheme, when inspection personnel need use monitoring device, at first rotate two blade, make two blade be located same straight line, it is fixed with two blade through fixed subassembly simultaneously, then remove the fixed state of latch mechanism, take out the holding rod from the storage tank, inspection personnel can hand holding rod operation monitoring device afterwards, thereby monitor the straightness that hangs down of wall, the holding rod is collapsible to the storage tank when not using simultaneously, and inspection personnel removes the fixed state of fixed subassembly, can fold the blade, thereby be convenient for inspection personnel accomodate monitoring device, can make the comparatively convenient handheld monitoring device of inspection personnel through the holding rod, and make monitoring device be difficult for taking place to skid, thereby make the guiding ruler not fragile, improve monitoring device's life.
Optionally, the clamping mechanism includes a connecting rod fixedly arranged on one side of the holding rod close to the storage groove, a clamping block fixedly arranged on one side of the connecting rod far away from the holding rod, two symmetrical moving blocks arranged in the storage groove at intervals, two locking blocks fixedly arranged on one sides of the two moving blocks far away from each other, a plurality of first springs fixedly arranged between the moving blocks and the side wall of the storage groove, two pressure rods fixedly arranged on one sides of the two moving blocks far away from each other, and an ejecting assembly arranged between the clamping block and the inner wall of the storage groove and used for enabling the clamping block to move towards one side far away from the storage groove;
an inserting groove is formed in one side, close to the moving block, of the clamping block, two symmetrically-arranged locking grooves are formed in the clamping block, the locking grooves are communicated with the inserting groove, and the locking block can penetrate through the inserting groove and is inserted into the locking groove;
one side that the latch segment is close to the joint piece is the inclined plane that the slope set up, the incline direction on inclined plane is towards one side that two latch segments kept away from each other, first spring is in tensile state all the time, just the depression bar runs through the blade and is located the blade outside.
By adopting the technical scheme, when a detector does not need to use the holding rod, the holding rod is firstly pressed in the storage groove, the holding rod can drive the connecting rod and the clamping block to move towards one side close to the locking blocks, when the insertion groove on the clamping block is abutted against the inclined surfaces of the two locking blocks, the pressure is continuously exerted, the locking blocks can drive the two movable blocks to mutually approach, meanwhile, the locking blocks are positioned in the insertion groove to slide, at the moment, the first spring is further stretched, when the locking blocks penetrate through the insertion groove and are inserted into the locking grooves, the two locking blocks and the two movable blocks can be driven to mutually separate under the stretching action of the first spring, so that the two locking blocks are clamped into the two locking grooves, and meanwhile, the clamping block cannot move in the storage groove, so that the holding rod can be fixed; on the contrary, when a detector needs to use the holding rod, firstly, the two pressure rods are pressed simultaneously, the pressure rods drive the two moving blocks and the two locking blocks to approach each other, so that the locking blocks are separated from the locking grooves, then, under the action of the pop-up assembly, the clamping blocks move towards one side far away from the storage groove, and meanwhile, the clamping blocks drive the connecting rod and the holding rod to move to the outer side of the ruler body; clamping mechanism not only realizes the fixed of handle, and the detection personnel only need press the depression bar moreover can realize popping out of handle, and its easy operation is convenient.
Optionally, the ejection assembly comprises a plurality of telescopic rods fixedly arranged between the clamping blocks and the inner wall of the storage groove, and a second spring sleeved outside the telescopic rods; the second spring is always in a compressed state.
Through adopting above-mentioned technical scheme, after the latch segment breaks away from the locking groove, can drive the joint piece automatically and remove to the one side of keeping away from the storage tank under the effect of second spring to make the joint piece drive the holding rod auto-eject storage tank.
Optionally, a linkage assembly for driving the two moving blocks to approach or separate from each other is further arranged between the two moving blocks.
Through adopting above-mentioned technical scheme, the synchronous motion of two steerable movable blocks of linkage subassembly and stop to make the detection personnel only need press the depression bar of one side and can remove clamping mechanism's fixed state, thereby make detection personnel operate more conveniently.
Optionally, the linkage assemblies are arranged in a plurality of and uniformly distributed along the length direction of the storage tank.
By adopting the technical scheme, the linkage assemblies distributed at uniform intervals enable the moving blocks to be stressed uniformly along the length direction of the moving blocks, so that the two moving blocks are not easy to deflect when being close to or far away from each other, and the stability of the moving blocks during moving is improved.
Optionally, the linkage assembly includes a rotating shaft fixedly arranged on the inner wall of the storage tank, and a connecting rod rotatably connected to the rotating shaft; the rotating shaft is located in the middle of the connecting rod, two ends of the connecting rod are hinged to the two moving blocks respectively, and when the distance between the two moving blocks is the largest, the connecting rod and the moving blocks are arranged in an inclined mode.
Through adopting above-mentioned technical scheme, when realizing that the synchronization of two latch segments is close to or keeps away from through the linkage subassembly, at first the testing personnel press the movable block of one side wherein, the movable block drives the connecting rod and rotates around the rotation axis, and the connecting rod other end can drive the synchronous reverse movement of another movable block to can realize that the synchronization of two latch segments is close to or keeps away from.
Optionally, the holding rod, the connecting rod and the clamping block are integrally formed.
Through adopting above-mentioned technical scheme, integrated into one piece sets up firm in connection, intensity is high, makes the difficult emergence fracture of junction of holding rod and connecting rod, connecting rod and joint piece to improve clamping mechanism's stability.
Optionally, the fixing component comprises two magnets which are fixedly arranged at one end of the ruler body close to each other.
By adopting the technical scheme, when a detector rotates the two ruler bodies to the same straight line, the magnets at the ends, close to each other, of the two ruler bodies can adsorb each other, so that the two ruler bodies are fixed; the detection personnel apply force to the two sides of the ruler body to separate the two magnets, so that the fixed state of the fixed component can be released.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the holding rod can be retracted into the storage groove when not in use, and the ruler body can be folded by the detection personnel by releasing the fixed state of the fixing component, so that the detection personnel can conveniently store the monitoring device, the detection personnel can conveniently hold the monitoring device by the holding rod, and the monitoring device is not easy to slip, so that the running rule is not easy to damage, and the service life of the monitoring device is prolonged;
2. the clamping mechanism not only realizes the fixation of the grip, but also can realize the ejection of the grip by only pressing the pressing rod by a detector, and the operation is simple and convenient;
3. the synchronous motion of two steerable movable blocks of linkage subassembly and stop to make the stationary state that the clamping mechanism can be relieved to the depression bar that makes the measurement personnel only need press one side, thereby make the measurement personnel operation more convenient.
Drawings
FIG. 1 is a schematic structural diagram of a monitoring device in an embodiment of the present application;
FIG. 2 is a schematic view showing a configuration of the monitoring device after being stored;
FIG. 3 is a cross-sectional view of the clamping mechanism shown with the grip extending out of the storage compartment;
FIG. 4 is a sectional view showing the latch mechanism after the grip is retracted into the storage well.
Description of reference numerals: 1. a ruler body; 11. a storage tank; 2. a fixing assembly; 3. a holding rod; 4. a clamping mechanism; 41. a connecting rod; 42. a clamping block; 421. inserting grooves; 422. a locking groove; 43. a moving block; 44. a locking block; 45. a first spring; 46. a pressure lever; 47. a pop-up assembly; 471. a telescopic rod; 472. a second spring; 48. a linkage assembly; 481. a rotating shaft; 482. a connecting rod.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses brickwork wall straightness monitoring device that hangs down. Referring to fig. 1, the monitoring device comprises two ruler bodies 1 with one ends hinged to each other, a fixing component 2 is further arranged between the two ruler bodies 1, and the fixing component 2 is used for fixing one hinged side of the two ruler bodies 1. The ruler body 1 is further provided with a detection device body and a holding rod 3, the ruler body 1 is provided with a storage groove 11, and the holding rod 3 is located in the storage groove 11. A clamping mechanism 4 is arranged between the holding rod 3 and the ruler body 1, and the clamping mechanism 4 is used for fixing the holding rod 3 into the storage groove 11.
When the detection personnel need use monitoring device, at first rotate two blade 1, make two blade 1 rotatory to being located same straight line, and fix through fixed subassembly 2, detection personnel remove the fixed state of latch mechanism 4 after that, take out holding rod 3 from storage tank 11, detection personnel can hand 3 operation monitoring device of holding rod and monitor the straightness that hangs down of wall afterwards, and holding rod 3 is collapsible to storage tank 11 when not using, and fold and accomodate blade 1.
The fixed component 2 comprises two magnets which are fixedly arranged at one end, close to each other, of the ruler body 1 respectively, the magnets are located on one side, away from the hinged shaft, of the ruler body 1, and the two magnets can adsorb each other. When a detector rotates the two ruler bodies 1 to the same straight line, the magnets at the ends, close to each other, of the two ruler bodies 1 can adsorb each other, so that the two ruler bodies 1 are fixed; the tester applies force to both sides of the ruler body 1 to separate the two magnets from each other, and the fixed state of the fixing component 2 can be released for storage.
The clamping mechanism 4 comprises a connecting rod 41 fixedly arranged on one side of the holding rod 3 close to the storage groove 11, a clamping block 42 is fixedly arranged on one side of the connecting rod 41 far away from the holding rod 3, the clamping block 42 can be positioned in the storage groove 11 to slide, and the holding rod 3, the connecting rod 41 and the clamping block 42 are integrally formed. Two moving blocks 43 are arranged in the storage groove 11, the two moving blocks 43 are symmetrically arranged at intervals, the moving blocks 43 are arranged in a long strip shape, the locking blocks 44 are fixedly arranged on one sides, away from each other, of the two moving blocks 43 respectively, the locking blocks 44 are located on one sides, close to the clamping blocks 42, of the moving blocks 43, and the locking blocks 44 are also arranged in a long strip shape. One side of the locking blocks 44 close to the clamping block 42 is an inclined surface which is arranged obliquely, and the inclined direction of the inclined surface faces to the side where the two locking blocks 44 are far away from each other; one side of the clamping block 42 close to the moving block 43 is provided with an insertion groove 421, two symmetrically arranged locking grooves 422 are further formed in the clamping block 42, the two locking grooves 422 correspond to the two locking blocks 44 one to one, the locking grooves 422 are communicated with the insertion groove 421, and the locking blocks 44 can penetrate through the insertion groove 421 and are inserted into the locking grooves 422.
A plurality of first springs 45 are fixedly arranged between the moving block 43 and the side wall of the storage groove 11, the plurality of first springs 45 are uniformly distributed at intervals along the length direction of the moving block 43, and the first springs 45 are always in a stretching state. The side, away from each other, of each of the two moving blocks 43 is further provided with a pressing rod 46, the pressing rods 46 are perpendicular to the moving blocks 43, and the pressing rods 46 penetrate through the ruler body 1 and are located on the outer side of the ruler body 1. An ejecting component 47 is arranged between the clamping block 42 and the inner wall of the storage groove 11, and the ejecting component 47 is used for enabling the clamping block 42 to move towards one side far away from the storage groove 11; a plurality of linkage assemblies 48 are further arranged between the two moving blocks 43, the linkage assemblies 48 are used for driving the two moving blocks 43 to approach or separate from each other, and the linkage assemblies 48 are uniformly distributed along the length direction of the storage tank 11.
The ejecting assembly 47 comprises two telescopic rods 471 which are fixedly arranged between the clamping block 42 and the inner wall of the storage groove 11, and the two telescopic rods 471 are respectively positioned at two sides of the clamping block 42 in the length direction; a second spring 472 is sleeved outside the telescopic rod 471, and the second spring 472 is always in a compressed state.
The linkage assembly 48 includes a rotation shaft 481 fixedly installed on the inner wall of the storage tank 11, a connection rod 482 is rotatably connected to the rotation shaft 481, the rotation shaft 481 is located at the middle position of the connection rod 482, and both ends of the connection rod 482 are respectively hinged to the two moving blocks 43, and when the distance between the two moving blocks 43 is the maximum, the connection rod 482 and the moving blocks 43 are obliquely arranged.
When the holding rod 3 is not needed by a detector, firstly, the holding rod 3 is pressed into the storage groove 11, the holding rod 3 can drive the connecting rod 41 and the clamping block 42 to move towards one side close to the locking block 44, when the inserting groove 421 on the clamping block 42 is abutted with the inclined surfaces of the two locking blocks 44 and then pressure is continuously applied, the locking block 44 can drive the two moving blocks 43 to mutually approach, and meanwhile, the locking block 44 is positioned in the inserting groove 421 to slide, at the moment, the first spring 45 is further stretched, and after the locking block 44 penetrates through the inserting groove 421 and is inserted into the locking groove 422, the two locking blocks 44 and the two moving blocks 43 are driven to mutually separate under the stretching action of the first spring 45, so that the two locking blocks 44 are clamped into the two locking grooves 422, and meanwhile, the clamping block 42 cannot be positioned in the storage groove 11, and the fixing of the holding rod 3 can be realized; on the contrary, when the detection personnel need use the holding rod 3, at first press the movable block 43 of one side wherein, the movable block 43 drives the connecting rod 482 and rotates around rotation axis 481, the connecting rod 482 other end can drive the synchronous antiport of another movable block 43, thereby can realize being close to each other of two latch segments 44, make latch segment 44 break away from locking groove 422, then under the effect of second spring 472, second spring 472 automatically drives joint piece 42 and moves to the one side of keeping away from the storing groove 11, thereby make joint piece 42 drive holding rod 3 auto-eject storing groove 11.
The implementation principle of the masonry wall perpendicularity monitoring device in the embodiment of the application is as follows: when the monitoring device is needed to be used by detection personnel, firstly, the two ruler bodies 1 are rotated, the two ruler bodies 1 are enabled to be located on the same straight line, meanwhile, the magnet is used for fixing the ruler body, then, the detection personnel press the pressing rod 46, the pressing rod 46 drives the holding rod 3 to automatically pop out from the storage groove 11, then, the detection personnel can hold the holding rod 3 to operate the monitoring device, the verticality of the wall surface is monitored, meanwhile, the holding rod 3 can be contracted into the storage groove 11 when not used, the fixed state of the fixed component 2 is relieved by the detection personnel, the ruler bodies 1 can be folded, the monitoring device is convenient to store by the detection personnel, the handheld monitoring device can be conveniently used by the detection personnel through the holding rod 3, the monitoring device is enabled not to easily slip, the running rule is enabled to be not easy to damage, and the service life of the monitoring device is prolonged.
The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. A masonry wall perpendicularity monitoring device is characterized by comprising two ruler bodies (1) with one ends hinged to each other, a detection device body and a holding rod (3) which are arranged on the ruler bodies (1), and a fixing assembly (2) which is arranged between the two ruler bodies (1) and used for fixing the hinged side of the two ruler bodies (1);
the ruler body (1) is provided with a storage groove (11), the holding rod (3) is located in the storage groove (11), and a clamping mechanism (4) used for fixing the holding rod (3) into the storage groove (11) is arranged between the holding rod (3) and the ruler body (1).
2. The masonry wall perpendicularity monitoring device according to claim 1, characterized in that: the clamping mechanism (4) comprises a connecting rod (41) fixedly arranged on one side, close to the storage groove (11), of the holding rod (3), clamping blocks (42) fixedly arranged on one side, far away from the holding rod (3), of the connecting rod (41), two moving blocks (43) symmetrically arranged in the storage groove (11) at intervals, two locking blocks (44) fixedly arranged on one sides, far away from each other, of the two moving blocks (43), a plurality of first springs (45) fixedly arranged between the moving blocks (43) and the side wall of the storage groove (11), two pressure levers (46) fixedly arranged on one sides, far away from each other, of the two moving blocks (43) respectively, and an ejecting assembly (47) arranged between the clamping blocks (42) and the inner wall of the storage groove (11) and used for enabling the clamping blocks (42) to move towards one side, far away from the storage groove (11);
an inserting groove (421) is formed in one side, close to the moving block (43), of the clamping block (42), two symmetrically-arranged locking grooves (422) are further formed in the clamping block (42), the locking grooves (422) are communicated with the inserting groove (421), and the locking block (44) can penetrate through the inserting groove (421) and is inserted into the locking groove (422);
one side that latch segment (44) are close to joint block (42) is the inclined plane of slope setting, the incline direction on inclined plane is towards the one side that two latch segments (44) kept away from each other, first spring (45) are in tensile state all the time, just depression bar (46) run through blade (1) and are located the blade (1) outside.
3. The masonry wall perpendicularity monitoring device according to claim 2, characterized in that: the ejecting assembly (47) comprises a plurality of telescopic rods (471) fixedly arranged between the clamping blocks (42) and the inner wall of the storage groove (11) and second springs (472) sleeved on the outer sides of the telescopic rods (471); the second spring (472) is always in a compressed state.
4. The masonry wall perpendicularity monitoring device according to claim 2, characterized in that: and a linkage component (48) for driving the two moving blocks (43) to approach or separate from each other is further arranged between the two moving blocks (43).
5. The masonry wall perpendicularity monitoring device according to claim 4, characterized in that: the linkage assemblies (48) are arranged in a plurality of numbers, and the linkage assemblies (48) are uniformly distributed along the length direction of the storage tank (11).
6. The masonry wall perpendicularity monitoring device according to claim 4, characterized in that: the linkage assembly (48) comprises a rotating shaft (481) fixedly arranged on the inner wall of the storage groove (11) and a connecting rod (482) rotatably connected to the rotating shaft (481); the rotating shaft (481) is located in the middle of the connecting rod (482), two ends of the connecting rod (482) are hinged to the two moving blocks (43), and when the distance between the two moving blocks (43) is the largest, the connecting rod (482) and the moving blocks (43) are obliquely arranged.
7. The masonry wall perpendicularity monitoring device according to claim 2, characterized in that: the holding rod (3), the connecting rod (41) and the clamping block (42) are integrally formed.
8. The masonry wall perpendicularity monitoring device according to any one of claims 1-7, wherein: the fixing component (2) comprises two magnets which are fixedly arranged at one end, close to each other, of the ruler body (1) respectively.
CN202222186225.3U 2022-08-18 2022-08-18 Brickwork wall straightness monitoring device that hangs down Active CN218211299U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222186225.3U CN218211299U (en) 2022-08-18 2022-08-18 Brickwork wall straightness monitoring device that hangs down

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222186225.3U CN218211299U (en) 2022-08-18 2022-08-18 Brickwork wall straightness monitoring device that hangs down

Publications (1)

Publication Number Publication Date
CN218211299U true CN218211299U (en) 2023-01-03

Family

ID=84658103

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202222186225.3U Active CN218211299U (en) 2022-08-18 2022-08-18 Brickwork wall straightness monitoring device that hangs down

Country Status (1)

Country Link
CN (1) CN218211299U (en)

Similar Documents

Publication Publication Date Title
CN112345386B (en) Cable performance comprehensive testing device
CN218211299U (en) Brickwork wall straightness monitoring device that hangs down
CN210720007U (en) A shear box and direct shear apparatus for rock mass structural plane
CN116929933B (en) Textile yarn performance testing device
CN219434505U (en) Hardness detection device
CN211453135U (en) Tension tester
CN116898493A (en) Kidney puncture sampler capable of increasing accuracy
CN216484353U (en) Detection mechanism for reinforcing steel bar stretching
CN108458941A (en) The concrete bearing intension testing machine being convenient to operation
CN215865956U (en) Water quality detection sampling device capable of synchronously sampling multiple water levels
CN215178771U (en) A simple and easy quick normal position device of fetching earth for soil detects
CN212903685U (en) Cable force monitoring device with cable fixing structure
CN213091402U (en) Building engineering wall quality detector
CN114346935A (en) Beat power measurement frock
CN217820092U (en) Auxiliary device for ray detection of small-diameter tube
CN218212068U (en) Deep soil sampling device for environmental engineering
CN219319221U (en) Measurement combination ruler for engineering supervision
CN213341449U (en) Threading construction auxiliary device for building electrical engineering
CN219935511U (en) Cable durability detection device suitable for new forms of energy photovoltaic power generation
CN220772595U (en) Robot sampling device and sampling robot suitable for ore dynamic sampling
CN210720327U (en) Nondestructive testing device for building structure
CN214149027U (en) Hardware specification standard detection equipment
CN220583369U (en) Concrete structure surface crack detection device
CN221376944U (en) Medical negative pressure detection device
CN113029689B (en) Multi-head type rapid sampler for food detection

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant