CN220337963U - Environment monitoring equipment for green mine - Google Patents
Environment monitoring equipment for green mine Download PDFInfo
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- CN220337963U CN220337963U CN202321908066.1U CN202321908066U CN220337963U CN 220337963 U CN220337963 U CN 220337963U CN 202321908066 U CN202321908066 U CN 202321908066U CN 220337963 U CN220337963 U CN 220337963U
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 21
- 230000000670 limiting effect Effects 0.000 claims abstract description 13
- 230000001681 protective effect Effects 0.000 claims description 10
- 238000001125 extrusion Methods 0.000 claims description 8
- 238000012806 monitoring device Methods 0.000 claims description 8
- 239000003381 stabilizer Substances 0.000 claims description 6
- 230000000087 stabilizing effect Effects 0.000 abstract description 3
- 230000003111 delayed effect Effects 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 5
- 238000005065 mining Methods 0.000 description 4
- 241001504664 Crossocheilus latius Species 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011796 hollow space material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000004122 cyclic group Chemical class 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
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Abstract
The utility model discloses green mine environment monitoring equipment which comprises a base, wherein two positioning rods are arranged on the back surface of the base, an adjusting frame is arranged above the base, a first threaded rod is rotatably arranged in a sleeve, the bottom end of the rotating rod is fixedly connected with a rotary table, the surface of a gear is meshed with a crawler belt, the top end of the stabilizing rod is fixedly connected with a fixed pipe, the top end of a top block is fixedly connected with an adjusting rod, two first limiting grooves are formed in the fixed pipe, and one side of the first limiting block is fixedly connected with a first connecting rod. According to the utility model, through the collocation of the turntable, the first threaded rod, the first threaded sleeve, the adjusting rod, the adjusting frame, the servo motor, the second threaded rod, the camera and the touch switch, the height of the camera can be adjusted according to the terrain when the camera is used, the adjustment mode is simpler, the condition that workers adjust by adopting bolts one by one is avoided, the time delay is relatively delayed, and the height adjustment speed of the camera can be accelerated to a certain extent.
Description
Technical Field
The utility model relates to the technical field of mine environment monitoring equipment, in particular to green mine environment monitoring equipment.
Background
The green mine is a mine which is used for realizing the environment ecology, the mining mode scientization, the resource utilization high-efficiency, the management information digitization and the mining area community harmony by implementing the scientific and orderly mining in the whole mineral resource development process and controlling the disturbance of the mining area and the surrounding ecological environment in a controllable range, the conventional green mine environment monitoring equipment has certain defects when in use, the conventional green mine environment monitoring equipment cannot monitor in a monitoring area back and forth, the base is inconvenient to disassemble and assemble, and the supporting upright post cannot be adjusted according to the monitoring height and the topography of the monitoring area, so that the environment monitoring equipment needs to be improved.
The defects of the green mine environment monitoring equipment in the prior art are as follows: patent document CN218409169U discloses a green mine environment monitoring "including the concatenation stay tube, the lower extreme fixed mounting of concatenation stay tube has the installation base, the upper end fixed mounting of concatenation stay tube has the concatenation track pipe, the inside of concatenation track pipe is provided with the removal camera device, the outside cover of concatenation stay tube is equipped with switch signal transmitter, the concatenation stay tube includes down installation tube, well installation tube, goes up installation tube, screw through-hole and hexagon socket head cap screw. According to the green mine environment monitoring equipment, the monitoring equipment can be easily installed on a path of a green mine monitoring area through the installation base, the spliced supporting pipe can be increased and decreased according to the terrain and the height of the monitoring position, the green mine monitoring area can be automatically monitored back and forth through the matching of the switch signal transmitter and the spliced track pipe and the mobile camera device, the mobile camera device provides energy through solar energy, and redundant energy can be stored. "
However, the above-mentioned device is when using, though it can reach the height of monitoring position and adjust, but it needs the staff to screw out the bolt one by one when specifically using, reaches height-adjusting's purpose through increasing the quantity of mounting tube, but its once adjusts the bolt that needs to three positions and twists, and a bearing structure is all constituteed to its every mounting tube, well mounting tube and last mounting tube, has three structures altogether at this moment can make the staff twist into and twist a plurality of bolts and move, and is comparatively time consuming and laborious, has certain limitation when using.
Disclosure of Invention
The utility model aims to provide green mine environment monitoring equipment so as to solve the problems in the background technology.
In order to achieve the above purpose, the utility model provides a green mine environment monitoring device, which comprises a base, wherein the back of the base is provided with two positioning rods, and an adjusting frame is arranged above the base;
the top fixedly connected with sleeve pipe of base, sheathed tube inside rotates and is provided with first threaded rod, the bottom fixedly connected with dwang of first threaded rod, the bottom fixedly connected with carousel of dwang, the fixed surface of dwang is connected with the gear, the surface engagement of gear has the track strip, sheathed tube top fixedly connected with firm pole, and the surface of first threaded rod runs through in the inside of firm pole, the top fixedly connected with fixed pipe of firm pole, the fixed surface of pipe is fixedly connected with switch signal transmitter, the surface screw thread of first threaded rod runs through there is first screw sleeve, two kicking blocks of fixed surface connection of first screw sleeve, the top fixedly connected with regulation pole of kicking block, two first spacing grooves have been seted up to the inside of fixed pipe, the inside sliding connection of first spacing groove has first stopper, one side fixedly connected with first connecting rod of first stopper, and one side of kicking block and one side fixedly connected with of first connecting rod.
Preferably, one side fixedly connected with protective housing of adjusting the frame, the surface of protective housing is provided with control switch, the inside fixedly connected with servo motor of protective housing, servo motor's output fixedly connected with second threaded rod, the surface screw thread of second threaded rod runs through there is the second screw sleeve, the telescopic surface fixedly connected with second connecting rod of second screw, the fixed surface of second connecting rod is connected with two squeeze bars, the telescopic surface fixedly connected with transverse short rod of second screw, the bottom fixedly connected with camera of transverse short rod.
Preferably, the inside wall of adjusting the frame is provided with two touch switches, the second spacing groove has been seted up to the interior roof of adjusting the frame, the inside sliding connection in second spacing groove has the second stopper, and the bottom of second stopper and the top fixed connection of second connecting rod.
Preferably, the back fixedly connected with protection chamber of adjusting the frame, the inside in protection chamber is provided with the battery, the top of adjusting the frame is provided with photovoltaic panel, four inserted bars run through in the base, the hollow space has been seted up to sheathed tube inside, and the surface of track strip runs through in the inside in hollow space.
Preferably, the surface connection of firm pole has the grip ring, the inside threaded connection of grip ring has two fastening bolts, fastening bolt's surface threaded connection has fastening nut, the bottom fixedly connected with positioning disk of positioning rod, the inside threaded connection of positioning disk has two screw thread inserted bars, the fixed cover of top fixedly connected with of screw thread inserted bar inside wall, the inside rotation of fixed cover is provided with the rotary rod, the top fixedly connected with rim plate of rotary rod.
Preferably, the bottom fixedly connected with of rotary rod is first conical gear, the surface engagement of first conical gear has second conical gear, the inside fixedly connected with third threaded rod of second conical gear, the bottom rotation of third threaded rod sets up in the inside of screw thread inserted bar.
Preferably, the surface screw thread of third threaded rod runs through there is the third screw sleeve, the telescopic fixed surface of third screw is connected with the catch bar, the bottom fixedly connected with toper inserted bar of catch bar, the inside wall fixedly connected with two limiting plates of screw inserted bar, the third spacing groove has been seted up to the inside of limiting plate, the inside sliding connection of third spacing groove has the third stopper, the bottom fixed connection even third connecting rod of third stopper, and the bottom and the telescopic fixed surface of third connecting rod are connected.
Compared with the prior art, the utility model has the following beneficial effects:
1. according to the utility model, through the collocation of the turntable, the first threaded rod, the first threaded sleeve, the adjusting rod, the adjusting frame, the servo motor, the second threaded rod, the camera and the touch switch, the height of the camera can be adjusted according to the terrain when the camera is used, the adjustment mode is simpler, the condition that workers adjust by adopting bolts one by one is avoided, the time delay is relatively delayed, and the height adjustment speed of the camera can be accelerated to a certain extent.
2. According to the utility model, through the collocation and use of the positioning rod, the threaded inserted rod, the wheel disc, the rotary rod, the first conical gear, the pushing rod and the conical inserted rod, the stability of the whole device connected with the ground is higher, the phenomenon that the stone roller falls in a mine area to cause a certain influence on the stone roller is avoided, and the normal use of the camera is ensured.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of an adjusting lever structure according to the present utility model;
FIG. 3 is a schematic view of the extrusion rod of the present utility model;
fig. 4 is a schematic view of a threaded insert according to the present utility model.
In the figure: 1. a base; 2. a positioning rod; 3. an adjusting frame; 4. a sleeve; 5. a first threaded rod; 6. a rotating lever; 7. a turntable; 8. a gear; 9. track strips; 10. a stabilizing rod; 11. a fixed tube; 12. a first threaded sleeve; 13. a top block; 14. an adjusting rod; 15. a first limit groove; 16. a protective shell; 17. a servo motor; 18. a second threaded rod; 19. a second threaded sleeve; 20. an extrusion rod; 21. a transverse short bar; 22. a camera; 23. a touch switch; 24. the second limit groove; 25. a protection cavity; 26. a photovoltaic panel; 27. a rod; 28. a hollow groove; 29. a clamping ring; 30. a fastening bolt; 31. a wheel disc; 32. a threaded insert rod; 33. a rotating rod; 34. a fixed sleeve; 35. a first bevel gear; 36. a second bevel gear; 37. a third threaded rod; 38. a third threaded sleeve; 39. a push rod; 40. a conical inserted link; 41. a limiting plate; 42. and (5) positioning the disc.
Detailed Description
Referring to fig. 1-4, a green mine environment monitoring device;
including base 1, the back of base 1 is provided with two locating levers 2, the top of base 1 is provided with adjusts frame 3, the top fixedly connected with sleeve pipe 4 of base 1, the inside rotation of sleeve pipe 4 is provided with first threaded rod 5, the bottom fixedly connected with dwang 6 of first threaded rod 5, the bottom fixedly connected with carousel 7 of dwang 6, the fixed surface of dwang 6 is connected with gear 8, the surface engagement of gear 8 has track 9, the top fixedly connected with stabilizer bar 10 of sleeve pipe 4, and the surface of first threaded rod 5 runs through in the inside of stabilizer bar 10, the top fixedly connected with fixed pipe 11 of stabilizer bar 10, the surface fixedly connected with switch signal transmitter of fixed pipe 11, the surface screw thread of first threaded rod 5 runs through there is first threaded sleeve 12, the surface fixedly connected with two kicking blocks 13 of first threaded sleeve 12, the top fixedly connected with regulation pole 14 of kicking block 13, two first spacing grooves 15 have been seted up to the inside of fixed pipe 11, the inside sliding connection of first spacing groove 15 has first stopper, one side fixedly connected with first joint bar of first stopper, and one side of the fixed joint bar 13 and one side of first joint bar.
Through the setting of carousel 7 for dwang 6 is rotated, and then makes gear 8 be convenient for rotate, and track strip 9 and the gear 8 meshing on two dwang 6 surfaces, the staff rotates arbitrary carousel 7 and can make two dwang 6 linkages, thereby make dwang 6 drive the first threaded rod 5 on its top rotate, then make first screw sleeve 12 upwards remove, and then make first screw sleeve 12 drive regulation pole 14 upwards remove through kicking block 13, make the height of adjusting frame 3 adjusted, through the setting of first spacing groove 15, first stopper and first joining pole, make the removal of first screw sleeve 12 play certain spacing effect.
One side fixedly connected with protective housing 16 of adjusting frame 3, the surface of protective housing 16 is provided with control switch, the inside fixedly connected with servo motor 17 of protective housing 16, servo motor 17's output fixedly connected with second threaded rod 18, the surface screw thread of second threaded rod 18 runs through there is second screw sleeve 19, the surface fixedly connected with second connecting rod of second screw sleeve 19, the surface fixedly connected with of second connecting rod two extrusion bars 20, the surface fixedly connected with transverse short rod 21 of second screw sleeve 19, the bottom fixedly connected with camera 22 of transverse short rod 21.
By means of the arrangement of the servo motor 17, a certain driving force is provided for the rotation of the second threaded rod 18, and by means of the arrangement of the second threaded sleeve 19, the transverse short rod 21 can drive the camera 22 to move back and forth through the second threaded rod 18, and the moving position of the camera 22 can be adjusted.
The inside wall of adjusting frame 3 is provided with two touch switches 23, and second spacing groove 24 has been seted up to the interior roof of adjusting frame 3, and the inside sliding connection of second spacing groove 24 has the second stopper, and the bottom of second stopper and the top fixed connection of second joint pole.
Through the setting of touch switch 23 for when extrusion rod 20 touched, servo motor 17 reverse, and from this cyclic reciprocation, through the setting of second spacing groove 24, second stopper and second joint pole, make the removal of second screw sleeve 19 can play certain spacing effect.
The back fixedly connected with protection chamber 25 of adjusting frame 3, the inside in protection chamber 25 is provided with the battery, and the top of adjusting frame 3 is provided with photovoltaic panel 26, and four inserted bars 27 have been run through in the base 1, and hollow 28 has been seted up to the inside of sleeve pipe 4, and the surface of track 9 runs through in the inside of hollow 28.
Through the setting of protection chamber 25 for the battery is placed, through the setting of photovoltaic panel 26, makes it absorb solar energy, and it is inside the battery to change solar energy into electric energy storage, and follow-up camera 22 supplies power, through the setting of inserted bar 27, makes base 1 fixed, through the seting up of empty slot 28, makes track strip 9 can drive two dwang 6 rotations simultaneously.
The surface connection of firm pole 10 has grip ring 29, and grip ring 29's inside threaded connection has two fastening bolts 30, and fastening bolt 30's surface threaded connection has fastening nut, and the bottom fixedly connected with positioning disk 42 of locating lever 2, positioning disk 42's inside threaded connection has two screw thread inserted bar 32, and the top fixedly connected with fixed cover 34 of screw thread inserted bar 32 inside wall, the inside rotation of fixed cover 34 is provided with rotary rod 33, the top fixedly connected with rim plate 31 of rotary rod 33.
Through clamping ring 29, fastening bolt 30 and fastening nut's setting for locating lever 2 can be fixed with firm pole 10 connection, through the setting of screw thread inserted bar 32, makes it be convenient for screw in ground, and the secondary improves stability, through the setting of rim plate 31 and rotary rod 33, makes first conical gear 35 rotate.
The bottom fixedly connected with of rotary rod 33 is first conical gear 35, and the surface meshing of first conical gear 35 has second conical gear 36, and the inside fixedly connected with third threaded rod 37 of second conical gear 36, the bottom rotation of third threaded rod 37 sets up in the inside of screw thread inserted bar 32.
By the arrangement of the first and second conical gears 35, 36, the third threaded rod 37 is rotated, which in turn causes the third threaded sleeve 38 to move over its surface.
The surface screw thread of third threaded rod 37 runs through has third threaded sleeve 38, the fixed surface of third threaded sleeve 38 is connected with catch bar 39, the bottom fixedly connected with toper inserted bar 40 of catch bar 39, the inside wall fixedly connected with two limiting plates 41 of threaded inserted bar 32, the inside of limiting plate 41 has seted up the third spacing groove, the inside sliding connection of third spacing groove has the third stopper, the bottom fixed connection of third stopper even third joint pole, and the bottom of third joint pole and the fixed surface connection of third threaded sleeve 38.
Through the arrangement of the third threaded sleeve 38, the push rod 39 is moved forward, the conical inserting rod 40 is moved forward, then the conical inserting rod 40 is inserted into the ground again while the threaded inserting rod 32 is inserted into the ground, stability of connection with the ground is improved, and through the arrangement of the third limiting groove, the third limiting block and the third connecting rod, a certain limiting effect can be achieved through the movement of the third threaded sleeve 38.
In the working principle, a worker inserts the inserting rod 27 into the ground in advance, then the base 1 is fixed on the ground, at the moment, the worker rotates the rotary table 7 through the empty slot 28, then the rotary table 7 drives the rotary rod 6 to rotate, the rotary rod 6 drives the first threaded rod 5 to rotate, the first threaded rod 5 rotates to drive the first threaded sleeve 12 on the surface of the rotary table, the first threaded sleeve 12 drives the two jacking blocks 13 to move upwards, then the jacking blocks 13 drive the adjusting rod 14 to move upwards, the adjusting rod 14 drives the adjusting frame 3 to move upwards, the height of the camera 22 is adjusted, then the worker controls the servo motor 17 to start, the output end of the servo motor 17 drives the second threaded rod 18 to rotate, the second threaded rod 18 rotates to drive the second threaded sleeve 19 to rotate, and then the second threaded sleeve 19 drives the transverse short rod 21 to move forwards, so that the camera 22 moves forward, the second threaded sleeve 19 drives the extrusion rod 20 on the surface of the second connecting rod to move forward until the extrusion rod 20 touches one side of the inner side wall of the adjusting frame 3 to touch the switch 23, the servo motor 17 is reversed at this time, then the second threaded sleeve 19 moves backward until the extrusion rod 20 touches the other touch switch 23 on the inner side wall of the adjusting frame 3, the servo motor 17 is reversed again, so that the camera 22 moves back and forth continuously, the position of the camera is continuously adjusted, then the worker sleeves the clamping ring 29 on the surface of the stabilizing rod 10, then the worker screws the fastening bolt 30, then screws the fastening nut on the surface of the fastening bolt 30, so that the positioning rod 2 is fixed, then the worker screws the threaded inserted rod 32 into the positioning disc 42, at this time, the worker rotates the turntable 7 again after screwing a certain depth, the rotating rod 33 is rotated, then the first conical gear 35 at the bottom end of the rotating rod is rotated, then the first conical gear 35 drives the second conical gear 36 to rotate, then the two third threaded rods 37 are rotated, then the third threaded sleeves 38 on the surfaces of the rotating rod are rotated, then the pushing rod 39 is moved backwards, at this time, the pushing rod 39 drives the conical inserting rod 40 to move forwards, so that the conical inserting rod is inserted into the ground, and further the stability of inserting the threaded inserting rod 32 into the ground is improved.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (7)
1. The utility model provides a green mine environment monitoring equipment, includes base (1), its characterized in that: two positioning rods (2) are arranged on the back of the base (1), and an adjusting frame (3) is arranged above the base (1);
the utility model discloses a sliding limit device for a mobile phone, which comprises a base (1), a sleeve (4) is fixedly connected with the top of the base (1), the inside rotation of sleeve (4) is provided with first threaded rod (5), the bottom fixedly connected with dwang (6) of first threaded rod (5), the bottom fixedly connected with carousel (7) of dwang (6), the fixed surface of dwang (6) is connected with gear (8), the surface engagement of gear (8) has track (9), the top fixedly connected with stabilizer bar (10) of sleeve (4), and the surface of first threaded rod (5) runs through in the inside of stabilizer bar (10), the top fixedly connected with fixed pipe (11) of stabilizer bar (10), the fixed surface of fixed pipe (11) is connected with a switch signal transmitter, the surface screw thread of first threaded rod (5) runs through first thread sleeve (12), the fixed surface of first thread sleeve (12) is connected with two kicking blocks (13), the top fixedly connected with adjusting lever (14), the inside of fixed pipe (11) is provided with first limit block (15), the inside of first limit groove (15) is connected with a limit stop lever (15), and one side of the top block (13) is fixedly connected with one side of the first connecting rod.
2. A green mine environment monitoring device according to claim 1, wherein: one side fixedly connected with protective housing (16) of adjusting frame (3), the surface of protective housing (16) is provided with control switch, the inside fixedly connected with servo motor (17) of protective housing (16), the output fixedly connected with second threaded rod (18) of servo motor (17), the surface screw thread of second threaded rod (18) runs through there is second threaded sleeve (19), the surface fixedly connected with second connecting rod of second threaded sleeve (19), the surface fixedly connected with two extrusion poles (20) of second connecting rod, the surface fixedly connected with transverse short rod (21) of second threaded sleeve (19), the bottom fixedly connected with camera (22) of transverse short rod (21).
3. A green mine environment monitoring device according to claim 1, wherein: the inside wall of adjusting frame (3) is provided with two touch switches (23), second spacing groove (24) have been seted up to the interior roof of adjusting frame (3), the inside sliding connection of second spacing groove (24) has the second stopper, and the bottom of second stopper and the top fixed connection of second connecting rod.
4. A green mine environment monitoring device according to claim 1, wherein: the back fixedly connected with protection chamber (25) of adjusting frame (3), the inside in protection chamber (25) is provided with the battery, the top of adjusting frame (3) is provided with photovoltaic panel (26), four inserted bars (27) have been run through to the inside of base (1), empty slot (28) have been seted up to the inside of sleeve pipe (4), and the surface of track strip (9) runs through in the inside of empty slot (28).
5. A green mine environment monitoring device according to claim 1, wherein: the surface connection who stabilizes pole (10) has grip ring (29), the inside threaded connection of grip ring (29) has two fastening bolt (30), the surface threaded connection of fastening bolt (30) has fastening nut, the bottom fixedly connected with positioning disk (42) of positioning rod (2), the inside threaded connection of positioning disk (42) has two screw thread inserted bars (32), the top fixedly connected with fixed cover (34) of screw thread inserted bar (32) inside wall, the inside rotation of fixed cover (34) is provided with rotary rod (33), the top fixedly connected with rim plate (31) of rotary rod (33).
6. A green mine environment monitoring device according to claim 5, wherein: the bottom fixedly connected with first conical gear (35) of rotary rod (33), the surface engagement of first conical gear (35) has second conical gear (36), the inside fixedly connected with third threaded rod (37) of second conical gear (36), the bottom rotation of third threaded rod (37) sets up in the inside of screw thread inserted bar (32).
7. A green mine environment monitoring device according to claim 6, wherein: the surface screw thread of third threaded rod (37) runs through has third thread sleeve (38), the fixed surface of third thread sleeve (38) is connected with catch bar (39), the bottom fixedly connected with toper inserted bar (40) of catch bar (39), the inside wall fixedly connected with two limiting plates (41) of thread inserted bar (32), the third spacing groove has been seted up to the inside of limiting plate (41), the inside sliding connection of third spacing groove has the third stopper, the bottom fixedly connected with third connecting rod of third stopper, and the bottom of third connecting rod and the fixed surface of third thread sleeve (38) are connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321908066.1U CN220337963U (en) | 2023-07-20 | 2023-07-20 | Environment monitoring equipment for green mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321908066.1U CN220337963U (en) | 2023-07-20 | 2023-07-20 | Environment monitoring equipment for green mine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220337963U true CN220337963U (en) | 2024-01-12 |
Family
ID=89442019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321908066.1U Active CN220337963U (en) | 2023-07-20 | 2023-07-20 | Environment monitoring equipment for green mine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220337963U (en) |
-
2023
- 2023-07-20 CN CN202321908066.1U patent/CN220337963U/en active Active
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