CN117167610B - Multi-angle adjusting device for laser level meter bracket - Google Patents
Multi-angle adjusting device for laser level meter bracket Download PDFInfo
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- CN117167610B CN117167610B CN202311435348.9A CN202311435348A CN117167610B CN 117167610 B CN117167610 B CN 117167610B CN 202311435348 A CN202311435348 A CN 202311435348A CN 117167610 B CN117167610 B CN 117167610B
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- 238000013016 damping Methods 0.000 claims description 6
- 230000005484 gravity Effects 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 6
- 230000033001 locomotion Effects 0.000 claims description 4
- 230000005012 migration Effects 0.000 claims description 4
- 238000013508 migration Methods 0.000 claims description 4
- 238000004804 winding Methods 0.000 claims description 3
- 238000007373 indentation Methods 0.000 claims 3
- 230000000452 restraining effect Effects 0.000 abstract description 6
- 230000005540 biological transmission Effects 0.000 description 3
- 230000005389 magnetism Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
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Abstract
The invention relates to a laser level bracket multi-angle adjusting device, which comprises a toothed plate, wherein the front surface of the toothed plate is connected with a horizontal moving seat in a sliding way, a dial is connected above the horizontal moving seat, the top of the dial is connected with a rotating disc through a shaft rod, the top of the rotating disc is provided with two restraining grooves, the top of the rotating disc is provided with a follow-up rack unit, the follow-up rack unit comprises a storage rack, two ends of the storage rack are respectively connected with a storage rack through the rotating shaft rod, the center of the top of the rotating disc is provided with a dent, the bottom wall of the dent is embedded with an electromagnetic driving block, the inside of the dent is connected with a magnetic driving gear disc in a sliding way, and when the rotating disc rotates to realize circumferential angle adjustment of a laser level, the adjustment of a horizontal seat target of the laser level can be synchronously realized by utilizing the matching of the electromagnetic driving block, and further the multiaxial angle adjustment convenient to operate is realized.
Description
Technical Field
The invention relates to a laser level bracket multi-angle adjusting device, in particular to a laser level bracket multi-angle adjusting device applied to the field of level brackets.
Background
The laser level is an intelligent display device instrument, and the function of the laser level is that the laser level can be installed on a moving object, the horizon is displayed in a larger visual field, the motion gesture of the object is displayed in real time, a support is usually used for assisting the use of the laser level, however, in the actual use process, the laser level needs to be adjusted in multiple angles to meet the use requirement, and the common support is difficult to play the requirement of multiple angle adjustment.
In order to solve the problem that the multi-angle adjustment requirement is difficult to meet, a certain laser level meter bracket in the market adopts a design of multi-angle adjustment and has a certain market occupation ratio.
Chinese patent CN202122896210.1 specification discloses a laser level support multi-angle adjusting device, including mounting panel, base, fixed handle, level meter adjusting seat, support mounting hole, regulation pole, fixed regulation pole, the mounting panel is installed perpendicularly on the right side of base, fixed handle passes through bolt fixed mounting on the right side of mounting panel, level meter adjusting seat swing joint is in the left side of mounting panel to be located the top of base, the support mounting hole runs through from top to bottom in the inside of base, and the inboard of support mounting hole is provided with the mounting thread, the regulation pole sets up on the inside right side of level meter adjusting seat, fixed regulation pole sets up the upper right side at the regulation pole. The method has the beneficial effects that: the device has the advantages of adjusting various angles and adapting to various working environments.
However, when the angle of the laser level meter bracket multi-angle adjusting device is adjusted in the use process, only single axial angle adjustment can be realized, multi-axial angle adjustment cannot be performed, multi-step operation is needed when multi-axial angle adjustment is needed, and the efficiency of angle adjustment cannot be improved.
Disclosure of Invention
Aiming at the prior art, the invention aims to solve the technical problem of how to realize the operation of multi-axial angle adjustment with simple flow on the basis of ensuring the multi-angle adjustment of the bracket so as to improve the operation efficiency of the bracket adjustment.
In order to solve the problems, the invention provides a laser level bracket multi-angle adjusting device, which comprises a toothed plate, wherein a rotary gear is connected with the front surface of the toothed plate in an engaged way, a bracket bottom plate is installed at the bottom of the toothed plate, a horizontal moving seat is connected with the front surface of the toothed plate in a sliding way, a dial is connected above the horizontal moving seat, the top of the dial is connected with a rotating disc through a shaft rod, two restraint grooves are arranged at the top of the rotating disc, a follow-up rack unit is arranged at the top of the rotating disc, the follow-up rack unit comprises a storage rack with the bottom being connected with the restraint grooves in a sliding way, two ends of the storage rack are respectively connected with a storage rack through the rotating shaft rod, the center of the top of the rotating disc is provided with a concave, an electromagnetic driving block is embedded and installed at the bottom wall of the concave, a magnetic driving gear disc which is mutually exclusive with the electromagnetic driving block is connected with one storage rack in an engaged way.
In the laser level support multi-angle adjusting device, the electromagnetic driving block, the magnetic gear disc and the follow-up gear unit are matched, so that the adjustment of a horizontal seat target of the laser level can be synchronously realized when the rotating disc rotates to realize the circumferential angle adjustment of the laser level, and the multi-axial angle adjustment convenient to operate is realized.
As a further improvement of this application, accomodate one side surface of rack and be equipped with the holding tank, and hold rack and holding tank gomphosis and be connected, the height value of magnetic drive gear dish is accomodating the rack and holds the centre of rack height value, and another accomodates rack and magnetic drive gear dish and be non-contact connected state.
As still further improvement of this application, the length of two accomodate the rack is not greater than the diameter of rotating the disc, accomodate the top fixedly connected with of rack and rotate the same installation disc of disc diameter, and install the bottom of disc and another top fixed surface who accomodates the rack and be connected.
As the still further improvement of this application, the inside of rotating the disc is equipped with the cavity, and the wane is installed through the round bar to the inside of cavity, and the one end at wane top is connected with the gag lever post, and the other end at wane top is connected with the protruding type piece that is located under the magnetomotive gear dish, accomodates the middle part of rack content groove bottom and be equipped with gag lever post assorted spacing jack, and accommodate the length value of rack and be less than half of accomodating rack self length value.
As a further improvement of the application, two cylindrical grooves corresponding to the limiting rods one by one are formed in the rotating disc, and the diameter value of each cylindrical groove is larger than that of each limiting rod.
As a further improvement of the application, the reciprocating screw is installed in the horizontal moving seat in a penetrating mode, the moving block is sleeved on the surface thread of the reciprocating screw, and the top of the moving block is fixedly connected with the bottom surface of the dial.
As a further improvement of the present application, the inside of holding the rack is equipped with the operation chamber, and the inside of operation chamber runs through sliding connection have with restraint groove assorted slider that falls, and the top of slider that falls is connected with restraint company cable, and restraint company cable's tail end and the surface winding of rotating the axostylus axostyle are connected, and the fixed pulley has been arranged to the top of slider that falls, and fixed pulley and restraint company cable sliding connection.
As a further improvement of the present application, the rotating shaft rod is connected with the storage rack and the storage rack through damping rotating shafts, and the resistance value of the rotating damping is equal to the gravity value of the falling slide block.
To sum up, this application utilizes electromagnetic drive piece, magnetism to move the cooperation of gear disc and follow-up gear unit, can be when rotating the disc and carry out rotary operation in order to realize the circumference angle adjustment of laser level meter, drive magnetism and move the gear disc and accomodate the rack and hold and realize the meshing transmission between the rack, and then the adjustment of the horizontal seat (with the horizontal direction mutually perpendicular of horizontal removal seat adjustment) target of laser level meter is realized to synchronous realization simple operation, can also utilize the combination of wane and gag lever post in addition, utilize magnetism to move the lift of gear disc, carry out corresponding restraint release to the follow-up gear unit, in order to indirectly guarantee the security of laser level meter.
Drawings
Fig. 1 is a schematic diagram of working states of embodiments 1 and 2 of the present application;
FIG. 2 is a schematic overall structure of embodiments 1 and 2 of the present application;
fig. 3 is a schematic view of mounting structures of a bracket base plate, a rotary gear, a toothed plate horizontal moving seat, a dial, a rotary disk, a follow-up rack unit and a mounting disk according to embodiments 1 and 2 of the present application;
FIG. 4 is a schematic view showing the internal structure of a rotary disk according to embodiments 1 and 2 of the present application;
FIG. 5 is an enlarged schematic view of FIG. 4 at A according to embodiments 1 and 2 of the present application;
fig. 6 is a schematic view of a limiting jack in an accommodating groove inside a receiving rack according to embodiments 1 and 2 of the present application;
fig. 7 is a schematic diagram of a lifting state of a stop lever according to embodiments 1 and 2 of the present application;
fig. 8 is a schematic view showing a falling state of a stop lever according to embodiments 1 and 2 of the present application;
fig. 9 is a schematic view of an internal structure of a housing rack according to embodiment 2 of the present application;
fig. 10 is a schematic view showing a state in which the falling slider of embodiment 2 of the present application is in a housed state of the rack;
fig. 11 is a schematic view showing a state in which the falling slider of embodiment 2 of the present application is in a state of accommodating rack release.
The reference numerals in the figures illustrate:
1. a bracket base plate; 2. a rotary gear; 3. a toothed plate; 4. a horizontal moving seat; 41. a reciprocating screw; 42. a moving block; 5. a dial; 6. rotating the disc; 61. a restraining groove; 62. magnetomotive gear plate; 63. a seesaw; 64. a limit rod; 65. a cylindrical groove; 7. a follow-up rack unit; 71. a storage rack; 72. rotating the shaft lever; 73. accommodating a rack; 711. limiting jack; 731. a falling slide block; 732. a fixed pulley; 733. constraint ligature; 8. a disk is installed; 9. an electromagnetic drive block.
Detailed Description
The following describes various embodiments of the present application in detail with reference to the accompanying drawings.
Embodiment 1:
fig. 1-8 show a laser level bracket multi-angle adjusting device, including pinion rack 3, the positive meshing of pinion rack 3 is connected with rotary gear 2, support bottom plate 1 is installed to the bottom of pinion rack 3, the positive sliding connection of pinion rack 3 has horizontal migration seat 4, the top of horizontal migration seat 4 is connected with calibrated scale 5, the top of calibrated scale 5 is connected with rotary disk 6 through the axostylus axostyle, the top of rotary disk 6 is equipped with two restraint grooves 61, follow-up rack unit 7 has been arranged at the top of rotary disk 6, follow-up rack unit 7 is including the storage rack 71 of bottom and restraint groove 61 sliding connection, the both ends of storage rack 71 are connected with respectively through rotary axostylus axostyle 72 and hold rack 73, the top centre of a circle of rotary disk 6 is equipped with the recess, and electromagnetic drive piece 9 is installed in the bottom wall mosaic of recess, the inside sliding connection of recess has the magnetic drive gear disk 62 that mutually repulses with electromagnetic drive piece 9, and magnetic drive gear disk 62 meshes with one of storage rack 71 and is connected.
Specifically, the sliding connection position between the horizontal moving seat 4 and the toothed plate 3 is always located above the rotary gear 2, and the top surface of the rotary gear 2 is always in contact with the bottom surface of the horizontal moving seat 4, so that when the rotary gear 2 and the toothed plate 3 are meshed to rotate and rise and fall, the horizontal moving seat 4 can synchronously move along with the rotary gear 2;
the shaft rod connected with the rotating disc 6 penetrates through the surface of the magnetic gear disc 62, the surface of the shaft rod is fixedly connected with the surface of the rotating disc 6, and the surface of the magnetic gear disc 62 is in sliding limit connection with the surface of the shaft rod through a rack;
the mounting direction of the restriction groove 61 is perpendicular to the mounting direction of the reciprocating screw 41;
one side surface of the storage rack 71 is provided with a storage groove, the storage rack 73 is connected with the storage groove in a jogged manner, the height value of the magnetomotive gear disc 62 is in the middle of the height values of the storage rack 71 and the storage rack 73, and the other storage rack 71 and the magnetomotive gear disc 62 are in a non-contact connection state.
The length of each of the two storage racks 71 is not larger than the diameter of the rotating disc 6, the top of each storage rack 71 is fixedly connected with a mounting disc 8 with the same diameter as the rotating disc 6, and the bottom of each mounting disc 8 is fixedly connected with the top surface of the other storage rack 71.
The laser level is arranged on the surface of the mounting disc 8, when the laser level is used, the adjustment of the working height of the laser level is indirectly realized by utilizing the meshing connection between the rotary gear 2 and the toothed plate 3, and the adjustment of the rotation angle of the laser level is realized by means of the relative rotation between the rotary disc 6 and the dial 5;
when the multi-axial angle adjustment is carried out, the electromagnetic driving block 9 is started, so that the magnetic gear disc 62 moves upwards and is meshed with one storage rack 71, and then the magnetic gear disc 62 synchronously rotates along with the rotation of the rotating disc 6 through the transmission of the shaft rod, so that the storage rack 71 meshed with the magnetic gear disc 62 is driven to horizontally move, the laser level instrument synchronously realizes circumferential angle adjustment and horizontal (horizontal direction perpendicular to the reciprocating screw 41) position adjustment, and the adjustment of the space angle is comprehensively realized, so that the simplified multi-axial angle adjustment is realized;
in addition, in order to meet the requirement of simplified storage of the device, when the device is not needed to be used, the containing racks 73 at two ends are rotated and rotated to the inside of the containing groove, so that the occupation of the storage space is avoided.
Specifically, after the magnetomotive gear disc 62 is lifted out of the concave portion, meshing transmission can be achieved between the magnetomotive gear disc 62 and the storage racks 71 and between the magnetomotive gear disc 62 and the storage racks 73, and in addition, the magnetomotive gear disc 62 is connected with one storage rack 71 in a meshing manner, so that deviating movement caused by meshing of the two storage racks 71 and the magnetomotive gear disc 62 can be effectively avoided, and the two storage racks 71 fixedly restrained by the installation disc 8 can smoothly move in the same direction.
The inside of rotating disc 6 is equipped with the cavity, and the wane 63 is installed through the round bar to the inside of cavity, and the one end at wane 63 top is connected with gag lever post 64, and the other end at wane 63 top is connected with the protruding piece that is located magnetomotive gear plate 62 under, and the middle part of accomodating rack 71 content groove bottom is equipped with the spacing jack 711 with gag lever post 64 assorted, and holds rack 73's length value and be less than accomodating rack 71 self length value's half.
Specifically, the gravity of the limiting rod 64 is greater than that of the convex block, so that one end of the convex block is in a tilted state under the condition that the seesaw 63 is not interfered by external force;
when the magnetic gear plate 62 is lifted and meshed with one of the storage racks 71, the surface of the rocker 63 with the convex block loses the gravity constraint function of the magnetic gear plate 62, then the surface of the rocker 63 with the limiting rod 64 drops downwards, and the limiting rod 64 is separated from the limiting jack 711 in the storage groove in the storage rack 71, so that the storage rack 71 can slide smoothly along the limiting groove 61, and the laser level arranged on the surface of the installation disc 8 can synchronously perform horizontal displacement in the other axial direction when the rotation disc 6 rotates to perform circumferential adjustment angle, thereby realizing comprehensive angle adjustment;
when the magnetic gear disc 62 falls down to have a gravity extrusion effect on the convex block, the limiting rod 64 is lifted up and jogged and inserted into the limiting jack 711 to have a constraint effect on the storage rack 71, and at the moment, the laser level installed on the surface of the installation disc 8 can only realize single circumferential angle adjustment when the rotation disc 6 rotates.
Two cylindrical grooves 65 which are in one-to-one correspondence with the limit rods 64 are arranged in the rotary disc 6, and the diameter value of each cylindrical groove 65 is larger than that of each limit rod 64.
Specifically, when the side surface of the rocker 63 with the stop lever 64 is tilted or falls, in order to ensure that the lifting movement of the stop lever 64 is performed normally, the stop lever 64 slides in the cylindrical groove 65 with a slightly larger aperture, so that the lifting operation of the stop lever 64 is not disturbed.
The reciprocating screw 41 is installed in the horizontal moving seat 4 in a penetrating mode, a moving block 42 is sleeved on the surface of the reciprocating screw 41 in a threaded mode, and the top of the moving block 42 is fixedly connected with the bottom surface of the dial 5.
Specifically, by rotating the reciprocating screw 41, the moving block 42 can be driven to move along the axial direction of the horizontal moving seat 4, and the laser level installed on the surface of the installation disc 8 is indirectly driven to horizontally move;
in addition, the dial 5 is fixedly connected to the surface of the moving block 42, so that the angle of the laser level can be adjusted by rotating the rotating disc 6, and the guiding function can be realized through the circumferential graduations on the surface of the dial 5.
Embodiment 2:
fig. 9 to 11 show, wherein the same or corresponding parts as those in embodiment 1 are denoted by the corresponding reference numerals as in embodiment 1, and only the points of distinction from embodiment 1 are described below for the sake of brevity. This 2 nd embodiment differs from the 1 st embodiment in that: an operation cavity is arranged in the accommodating rack 73, a falling sliding block 731 matched with the constraint groove 61 is connected in a penetrating and sliding mode in the operation cavity, a constraint continuous rope 733 is connected to the top of the falling sliding block 731, the tail end of the constraint continuous rope 733 is connected with the surface of the rotating shaft rod 72 in a winding mode, a fixed pulley 732 is arranged above the falling sliding block 731, and the fixed pulley 732 is connected with the constraint continuous rope 733 in a sliding mode.
The rotating shaft rod 72 is connected with the containing rack 71 and the containing rack 73 through damping rotating shafts, and the resistance value of the rotating damping is equal to the gravity value of the falling slide block 731.
Specifically, when the storage rack 71 rotates along with the magnetomotive gear disc 62 and moves horizontally, the storage rack 71 moves gradually away from the inside of the constraint groove 61 (the storage rack 71 is smoothly separated because the end of the constraint groove 61 traverses the surface of the rotating disc 6), and at this time, the surface of the storage rack 73 has no component engaged with and constrained by the constraint groove 61 (in order to ensure that the storage rack 73 is smoothly stored in the storage groove, the bottom of the storage rack 73 is designed to be flat), so that the mounting disc 8 engaged and moved to the position of the storage rack 73 and the laser level installed on the top surface thereof are easily separated from the surface of the rotating disc 6, and the laser level is damaged, which does not solve the problem, and the present embodiment is adopted;
when the rotating shaft rod 72 is rotated to accommodate the accommodating rack 73 in the accommodating groove, the connecting rope 733 is restrained to be wound on the surface of the rotating shaft rod 72, and the falling sliding block 731 is driven to move upwards at the moment so as to ensure the flatness of the bottom of the accommodating rack 73;
when the rotating shaft 72 is rotated to release the receiving rack 73, the restraining rope 733 is loosened at the surface of the rotating shaft 72, and the falling slider 731 is dropped and raised to achieve a restraining connection between the receiving rack 73 and the restraining groove 61 when moved to the restraining groove 61.
The scope of protection of the above-described embodiments employed in the present application is not limited to the above-described embodiments, and various changes made by those skilled in the art without departing from the spirit of the present application are still within the scope of protection of the present invention.
Claims (8)
1. The utility model provides a laser level meter support multi-angle adjusting device, is including pinion rack (3), the positive meshing of pinion rack (3) is connected with rotary gear (2), support bottom plate (1), its characterized in that are installed to the bottom of pinion rack (3): the front sliding connection of pinion rack (3) has horizontal migration seat (4), the top of horizontal migration seat (4) is connected with calibrated scale (5), the top of calibrated scale (5) is connected with through the axostylus axostyle and rotates disc (6), the top of rotating disc (6) is equipped with two restraint grooves (61), follow-up rack unit (7) have been arranged at the top of rotating disc (6), follow-up rack unit (7) are including bottom and restraint groove (61) sliding connection's accomodate rack (71), accomodate rack (71) both ends are connected with respectively through rotating axostylus axostyle (72) and hold rack (73), the top centre of a circle of rotating disc (6) is equipped with the indentation, and the diapire of indentation is inlayed and is installed electromagnetic drive piece (9), the inside sliding connection of indentation has magnetic drive gear dish (62) that mutually repel with electromagnetic drive piece (9), and magnetic drive gear dish (62) are connected with one of accomodate rack (71) meshing.
2. The laser level bracket multi-angle adjustment device of claim 1, wherein: one side surface of accomodating rack (71) is equipped with the holding tank, and holds rack (73) and holding tank gomphosis and be connected, the height value of magnetic drive gear disk (62) is accomodating rack (71) and holding the centre of rack (73) height value, and another accomodates rack (71) and magnetic drive gear disk (62) and be non-contact connection state.
3. The laser level bracket multi-angle adjustment device of claim 1, wherein: the lengths of the two storage racks (71) are not larger than the diameter of the rotating disc (6), and the tops of the two storage racks (71) are fixedly connected with an installation disc (8) with the same diameter as the rotating disc (6).
4. The laser level bracket multi-angle adjustment device of claim 1, wherein: the inside of rotating disc (6) is equipped with the cavity, wane (63) are installed through the round bar to the inside of cavity, one end at wane (63) top is connected with gag lever post (64), the other end at wane (63) top is connected with the protruding type piece that is located under magnetic gear dish (62), accomodate rack (71) and be equipped with limit jack (711) with gag lever post (64) assorted in the middle part of groove bottom, and accommodate rack (73) length value and be less than half of accomodate rack (71) self length value.
5. The laser level bracket multi-angle adjustment device of claim 1, wherein: two cylindrical grooves (65) which are in one-to-one correspondence with the limiting rods (64) are formed in the rotating disc (6), and the diameter value of each cylindrical groove (65) is larger than that of each limiting rod (64).
6. The laser level bracket multi-angle adjustment device of claim 1, wherein: the inside of horizontal movement seat (4) runs through and installs reciprocating screw (41), reciprocating screw's (41) surface screw thread has cup jointed movable block (42), the top of movable block (42) is connected with the bottom surface fixed of calibrated scale (5).
7. The laser level bracket multi-angle adjustment device of claim 1, wherein: the inside that holds rack (73) is equipped with the operation chamber, the inside in operation chamber runs through sliding connection have with restraint groove (61) assorted slider (731) that falls, the top of slider (731) that falls is connected with restraint company's cable (733), and the tail end of restraint company's cable (733) is connected with the surface winding of rotating shaft pole (72), fixed pulley (732) have been arranged to the top of slider (731) that falls, and fixed pulley (732) and restraint company's cable (733) sliding connection.
8. The laser level bracket multi-angle adjustment device of claim 7, wherein: the rotating shaft rod (72) is connected with the storage rack (71) and the storage rack (73) through damping rotating shafts, and the resistance value of the rotating damping is equal to the gravity value of the falling sliding block (731).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311435348.9A CN117167610B (en) | 2023-11-01 | 2023-11-01 | Multi-angle adjusting device for laser level meter bracket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311435348.9A CN117167610B (en) | 2023-11-01 | 2023-11-01 | Multi-angle adjusting device for laser level meter bracket |
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| Publication Number | Publication Date |
|---|---|
| CN117167610A CN117167610A (en) | 2023-12-05 |
| CN117167610B true CN117167610B (en) | 2024-01-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311435348.9A Active CN117167610B (en) | 2023-11-01 | 2023-11-01 | Multi-angle adjusting device for laser level meter bracket |
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| CN219221786U (en) * | 2023-02-15 | 2023-06-20 | 靖江市鼎尖模具厂 | Novel hanger for surveying instrument |
| CN219912337U (en) * | 2023-04-26 | 2023-10-27 | 筱晓(上海)光子技术有限公司 | Adjustable laser |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111120824A (en) * | 2019-06-26 | 2020-05-08 | 深圳市度彼电子有限公司 | Intelligent cradle head |
| CN210600976U (en) * | 2019-10-22 | 2020-05-22 | 莱赛激光科技股份有限公司 | Multifunctional support |
| CN211902265U (en) * | 2020-01-03 | 2020-11-10 | 靖江市鼎尖模具厂 | Surveying instrument hangs installation adjusting device |
| CN113685663A (en) * | 2021-07-16 | 2021-11-23 | 无锡工艺职业技术学院 | Anti-shake folding movable support for photography and video shooting |
| CN216053567U (en) * | 2021-08-30 | 2022-03-15 | 嘉兴市嘉景模型有限公司 | Three-dimensional emulation building accuse sand table convenient to diversified show |
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| CN219912337U (en) * | 2023-04-26 | 2023-10-27 | 筱晓(上海)光子技术有限公司 | Adjustable laser |
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| Publication number | Publication date |
|---|---|
| CN117167610A (en) | 2023-12-05 |
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