CN216561372U - Light and shadow interaction and digital visual control device - Google Patents

Light and shadow interaction and digital visual control device Download PDF

Info

Publication number
CN216561372U
CN216561372U CN202220052407.9U CN202220052407U CN216561372U CN 216561372 U CN216561372 U CN 216561372U CN 202220052407 U CN202220052407 U CN 202220052407U CN 216561372 U CN216561372 U CN 216561372U
Authority
CN
China
Prior art keywords
bevel gear
control device
casing
shell
driving wheel
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
CN202220052407.9U
Other languages
Chinese (zh)
Inventor
李鹏
王彩霞
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.)
Pengcan Culture Creativity Shanghai Co ltd
Original Assignee
Pengcan Culture Creativity Shanghai 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 Pengcan Culture Creativity Shanghai Co ltd filed Critical Pengcan Culture Creativity Shanghai Co ltd
Priority to CN202220052407.9U priority Critical patent/CN216561372U/en
Application granted granted Critical
Publication of CN216561372U publication Critical patent/CN216561372U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Abstract

The utility model discloses a light and shadow interaction and digital vision control device, which comprises a machine shell, a fixed rod, a power line, a heat dissipation fan, a control switch and a data interface, wherein an auxiliary storage device is arranged at the left lower end of the machine shell, a driving mechanism is arranged in the machine shell, the driving mechanism drives a bevel gear set to drive a main shaft to rotate through a turntable, the main shaft drives a winding roller to store the power line through a groove, the power line is prevented from being wound and damaged randomly, the device is convenient to use and simple to operate, the working efficiency is effectively improved, the driving mechanism is arranged in the machine shell, a motor drives a sliding block to slide on the inner side surface of a sliding groove through a wheel set, a movable plate drives the turntable to rotate through a connecting rod set, the inconvenience in use is prevented, a dismounting mechanism is arranged at the upper end in a lens cover, a button is pressed, and the button drives a hook to slide on the inner side surface of a limiting part and be separated from the inner side surface of the clamping groove, the lens cap is prevented from being detached more trouble.

Description

Light and shadow interaction and digital visual control device
Technical Field
The utility model particularly relates to a light and shadow interaction and digital visual control device, and relates to the field related to digital visual control.
Background
The digital vision technology enables people to reproduce objects in a three-dimensional world, can use three-dimensional shapes to represent complex information, enables people to directly operate the information with the shapes in the three-dimensional graphic world and directly communicate with a computer, greatly improves the working efficiency of people, and endows people with a simulated, three-dimensional and real-time interaction capacity, so that people can obtain information or exert creative thinking of themselves by means which cannot be imagined before in the three-dimensional graphic world, and comprises light and shadow interaction and a digital vision control device in the using process of digital vision.
But interactive and digital visual control device of shadow is generally all through control switch start-up circuit board start-up camera lens, the camera lens passes through the filter with the image and sees through, it is interactive to reach the shadow, but traditional shadow is interactive to accomodate the effect with digital visual control device to the power cord relatively poor, the power cord is always winding at will in the use, lead to the power cord to receive the damage easily and influence the use, and traditional shadow is interactive to the carousel drive effect relatively poor with digital visual control device, lead to using inconveniently, traditional shadow is interactive to dismantle the effect relatively poor with digital visual control device to the lens cap simultaneously, lead to work efficiency to reduce.
SUMMERY OF THE UTILITY MODEL
Therefore, in order to solve the above-mentioned drawbacks, the present invention provides a light and shadow interaction and digital visual control device.
The utility model is realized in such a way, a light and shadow interaction and digital visual control device is constructed, the device comprises a machine shell, a lens cover is arranged in the middle of the right end of the machine shell, an auxiliary storage device is arranged at the left lower end of the machine shell, a dismounting mechanism is arranged at the upper end in the lens cover, the auxiliary storage device comprises a mounting plate, a winding roller, a groove, a shell, a driving mechanism, a main shaft, a first bevel gear, a second bevel gear and a turntable, the winding roller is arranged in the mounting plate, the groove is embedded in the outer surface of the winding roller at equal intervals, the shell is fixedly connected with the front end surface of the mounting plate, the driving mechanism is arranged in the shell, the main shaft penetrates through the middle of the winding roller, the first bevel gear is connected with the left end of the main shaft, the second bevel gear is mutually meshed with the outer surface of the first bevel gear, and the turntable is connected with the back of the second bevel gear, the mounting plate is fixedly connected with the left lower end of the casing.
Preferably, the casing top left end is fixed with the dead lever, casing left end middle part is provided with the power cord, the heat dissipation fan is installed to the terminal surface left end before the casing, terminal surface upper right end is provided with control switch before the casing, terminal surface lower right end equidistance embedding has data interface before the casing, the casing right front end is provided with switch, the lens cap middle part is provided with the camera lens, the inside filter that is provided with of lens cap, casing internally mounted has the circuit board.
Preferably, actuating mechanism includes action wheel, motor, belt, follows driving wheel, slider, spout, fly leaf, stock and quarter butt, the action wheel back is provided with the motor to the action wheel is connected with the motor output, the belt twines in the action wheel surface, follow driving wheel and belt medial surface right-hand member sliding connection, slider and follow driving wheel preceding terminal surface upper right end fixed connection, the spout imbeds inside the fly leaf to slider and spout medial surface sliding connection, the stock is articulated with fly leaf preceding terminal surface upper end, the quarter butt is articulated with the stock right-hand member, the action wheel is installed in the inside left lower extreme of casing, the motor is installed in casing back left end, the fly leaf is articulated with the casing middle part, the stock is articulated with the inside left end of casing.
Preferably, the disassembly body includes button, trip, locating part, telescopic link, spring and draw-in groove, the button bottom is fixed with the trip, the trip runs through in the locating part middle part, telescopic link and trip bottom fixed connection, the spring cup joints in the telescopic link surface, the draw-in groove imbeds in the inside right-hand member of casing to trip and draw-in groove medial surface looks joint, button installation and lens cap top left end, locating part and the inside upper left end fixed connection of lens cap.
Preferably, the grooves are provided with seven grooves, and the inner sides of the grooves are smooth planes.
Preferably, the diameter of the first bevel gear is set to 5 cm, and the diameter of the second bevel gear is equal to the diameter of the first bevel gear.
Preferably, the central line of the driving wheel and the output end of the motor are in the same horizontal direction, and the motor drives the driving wheel to rotate by 360 degrees.
Preferably, the diameter of the driving wheel is set to be 8 cm, and the driving wheel is in transmission connection with the outer surface of the driven wheel through a belt.
Preferably, the spring length is set to 2 cm and the spring is capable of providing a force of 2N.
Preferably, the movable plate is made of aluminum alloy.
Preferably, the casing is made of PVC plastic.
The utility model has the following advantages: the utility model provides a light and shadow interaction and digital visual control device through improvement, compared with the same type of equipment, the improvement is as follows:
the method has the advantages that 1: according to the light and shadow interaction and digital visual control device, the auxiliary storage device is arranged at the lower left end of the shell, the driving mechanism is arranged in the shell, the driving mechanism drives the bevel gear set to drive the main shaft to rotate through the turntable, the main shaft drives the winding roller to store the power line through the groove, the power line is prevented from being wound and damaged at will, the device is convenient to use and simple to operate, and the working efficiency is effectively improved.
The method has the advantages that: according to the light and shadow interaction and digital vision control device, the driving mechanism is arranged in the shell, the motor drives the sliding block to slide on the inner side surface of the sliding groove through the wheel set, the movable plate drives the rotary table to rotate through the connecting rod set, and the inconvenience in use is avoided.
The method has the advantages that: according to the light and shadow interaction and digital vision control device, the disassembly mechanism is arranged at the upper end inside the lens cap, the button is pressed, and the button drives the clamping hook to slide on the inner side surface of the limiting piece and separate from the inner side surface of the clamping groove, so that the lens cap is prevented from being disassembled inconveniently.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional front view of the present invention;
FIG. 3 is a schematic view of an auxiliary storage device according to the present invention;
FIG. 4 is a schematic rear sectional view of the auxiliary storage device of the present invention;
FIG. 5 is a front cross-sectional structural schematic view of the drive mechanism of the present invention;
fig. 6 is a front sectional structural schematic view of the detachment mechanism of the present invention.
Wherein: a machine shell-1, a fixed rod-2, an auxiliary receiving device-3, a power line-4, a heat radiation fan-5, a control switch-6, a data interface-7, a power switch-8, a lens cover-9, a lens-10, a detaching mechanism-11, a filter-12, a circuit board-13, a mounting plate-31, a winding roller-32, a groove-33, a shell-34, a driving mechanism-35, a main shaft-36, a first bevel gear-37, a second bevel gear-38, a turntable-39, a driving wheel-351, a motor-352, a belt-353, a driven wheel-354, a slide block-355, a chute-356, a movable plate-357, a long rod-358, a short rod-359, a button-111, a clamping hook-112, a clamping hook-31, a clamping hook-12, a clamping hook-13, a clamping hook-30, a clamping hook-13, a clamping hook-34, a clamping hook-9, a clamping hook-2, a clamping hook, a, A limiting part-113, a telescopic rod-114, a spring-115 and a clamping groove-116.
Detailed Description
The present invention will be described in detail below with reference to fig. 1 to 6, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 and 2, the present invention provides a light and shadow interaction and digital vision control device through improvement, which includes a casing 1, a lens cover 9 is disposed in the middle of the right end of the casing 1, the casing 1 is made of PVC plastic, and has the advantages of light weight and easy movement, an auxiliary storage device 3 is disposed at the lower left end of the casing 1, a dismounting mechanism 11 is disposed at the upper inner end of the lens cover 9, a fixing rod 2 is fixed at the left end of the top of the casing 1, a power cord 4 is disposed in the middle of the left end of the casing 1, a heat dissipation fan 5 is mounted at the left end of the front end of the casing 1, a control switch 6 is disposed at the upper right end of the front end of the casing 1, a data interface 7 is embedded at the lower right end of the front end of the casing 1 at equal distance, a power switch 8 is disposed at the right end of the casing 1, a lens 10 is disposed in the middle of the lens cover 9, a filter 12 is disposed in the lens cover 9, and a circuit board 13 is disposed in the casing 1.
Referring to fig. 3 and 4, the present invention provides a light and shadow interaction and digital visual control device by improvement, the auxiliary receiving device 3 includes a mounting plate 31, a winding roller 32, grooves 33, a housing 34, a driving mechanism 35, a main shaft 36, a first bevel gear 37, a second bevel gear 38 and a turntable 39, the winding roller 32 is disposed inside the mounting plate 31 for better fixing and mounting the winding roller 32, the grooves 33 are embedded in the outer surface of the winding roller 32 at equal intervals, the grooves 33 are seven, the inner sides of the grooves 33 are smooth planes for better receiving effect, the housing 34 is fixedly connected with the front end surface of the mounting plate 31 for better fixing and mounting the housing 34, the driving mechanism 35 is disposed inside the housing 34 for better fixing and mounting the driving mechanism 35, the main shaft 36 penetrates through the middle of the winding roller 32 for better fixing and mounting the main shaft 36, the first bevel gear 37 is connected with the left end of the main shaft 36 so as to better fixedly mount the first bevel gear 37, the second bevel gear 38 is meshed with the outer surface of the first bevel gear 37, the diameter of the first bevel gear 37 is set to be 5 cm, the diameter of the second bevel gear 38 is equal to that of the first bevel gear 37 so that the second bevel gear 38 can better drive the first bevel gear 37 to rotate, the rotary table 39 is connected with the back of the second bevel gear 38 so as to better fixedly mount the rotary table 39, and the mounting plate 31 is fixedly connected with the left lower end of the machine shell 1.
Referring to fig. 5, the present invention provides a light and shadow interaction and digital vision control device by improvement, a driving mechanism 35 includes a driving wheel 351, a motor 352, a belt 353, a driven wheel 354, a slider 355, a sliding slot 356, a movable plate 357, a long rod 358 and a short rod 359, the motor 352 is disposed on the back of the driving wheel 351, the driving wheel 351 is connected to the output end of the motor 352, the center line of the driving wheel 351 and the output end of the motor 352 are in the same horizontal direction, the motor 352 drives the driving wheel 351 to rotate at an angle of 360 °, so that the motor 352 can drive the driving wheel 351 to rotate better, the belt 353 is wound on the outer surface of the driving wheel 351 to fix the belt 353 better, the driven wheel 354 is connected to the right end of the inner side of the belt 353 in a sliding manner, the diameter of the driving wheel 351 is set to be 8 cm, and the driving wheel 351 is connected to the outer surface of the driven wheel 354 in a transmission manner through the belt 353, so as to achieve a better driving effect, slider 355 and from driving wheel 354 preceding terminal surface upper right end fixed connection, so that better carry out fixed mounting to slider 355, spout 356 imbeds inside fly leaf 357, and slider 355 and spout 356 medial surface sliding connection, fly leaf 357 is the aluminum alloy material, the advantage of stronger corrosion resistance has, so that slider 355 better slides at spout 356 medial surface, stock 358 is articulated with fly leaf 357 preceding terminal surface upper end, so that better carry out fixed mounting to stock 358, quarter butt 359 is articulated with stock 358 right-hand member, so that better carry out fixed mounting to quarter butt 359, action wheel 351 installs in the inside lower left end of casing 34, motor 352 installs in casing 34 back left end, fly leaf 357 is articulated with the inside middle part of casing 34, stock 358 is articulated with the inside left end of casing 34.
Referring to fig. 6, the present invention provides a light and shadow interaction and digital visual control device by improvement, wherein the detaching mechanism 11 includes a button 111, a hook 112, a limiting member 113, a telescopic rod 114, a spring 115 and a slot 116, the bottom of the button 111 is fixed with the hook 112 for better fixing the hook 112, the hook 112 penetrates the middle of the limiting member 113 for better limiting the hook 112, the telescopic rod 114 is fixedly connected with the bottom of the hook 112 for better fixing the telescopic rod 114, the spring 115 is sleeved on the outer surface of the telescopic rod 114, the length of the spring 115 is set to 2 cm, and the force provided by the spring 115 is 2N for better resetting effect, the slot 116 is embedded in the right end of the interior of the housing 1, and the hook 112 is clamped with the inner side of the slot 116 for better clamping effect, the button 111 is mounted on the left end of the top of the lens cap 9, the limiting member 113 is fixedly connected with the left upper end inside the lens cover 9.
The utility model provides a light and shadow interaction and digital vision control device through improvement, which operates as follows;
firstly, the device is moved to a place to be used, then the machine shell 1 is arranged at the place to be used through a fixed rod 2, and a power cord 4 is inserted into a power supply;
secondly, the circuit board 13 is started through the control switch 6, the USB flash disk or the hard disk is inserted into the data interface 7, data in the USB flash disk or the hard disk is led into the circuit board 13, and the circuit board 13 enables the lens 10 to project images through the filter 12 to achieve the effect of light and shadow interaction;
thirdly, when the power cord 4 needs to be stored, the motor 352 is started through the control switch 6, the motor 352 drives the driving wheel 351 to rotate through the output end, the driving wheel 351 drives the driven wheel 354 to rotate through the belt 353, the driven wheel 354 drives the sliding block 355 to move, the sliding block 355 slides on the inner side surface of the sliding groove 356, the sliding groove 356 drives the movable plate 357 to move, the movable plate 357 drives the long rod 358 to swing, the long rod 358 drives the short rod 359 to swing, the short rod 359 drives the turntable 39 to rotate, the turntable 39 drives the second bevel gear 38 to rotate, the second bevel gear 38 drives the first bevel gear 37 to rotate, the first bevel gear 37 drives the main shaft 36 to rotate, the main shaft 36 drives the winding roller 32 to rotate, and the winding roller 32 drives the groove 33 to store the power cord 4;
fourthly, when the lens cover 9 needs to be detached, the button 111 is pressed, the button 111 drives the hook 112 to slide downwards on the inner side surface of the limiting member 113, the hook 112 applies pressure to the telescopic rod 114 and the spring 115, the telescopic rod 114 and the spring 115 are stressed to contract, the hook 112 is separated from the inner side surface of the slot 116, and the lens cover 9 is taken down from the machine shell 1;
fifthly, after the device is used, the circuit board 13 is closed through the control switch 6, the data interface 7 of the bubble eating surface of the U disk or the hard disk is extracted, the power line 4 is extracted from the power supply, and finally the shell 1 is detached through the fixing rod 2.
The utility model provides a light and shadow interaction and digital visual control device through improvement, an auxiliary receiving device 3 is arranged at the left lower end of a shell 31, a driving mechanism 35 is arranged in a shell 34, the driving mechanism 35 drives a bevel gear set to drive a main shaft 36 to rotate through a turntable 39, the main shaft 36 drives a winding roller 32 to receive a power line 4 through a groove 33, the power line 4 is prevented from being damaged by random winding, the device is convenient to use and simple to operate, the working efficiency is effectively improved, the driving mechanism 35 is arranged in the shell 34, a motor 352 drives a sliding block 355 to slide on the inner side surface of a sliding groove 356 through a wheel set, a movable plate 357 drives the turntable 39 to rotate through a connecting rod set, the inconvenience in use is prevented, a dismounting mechanism 11 is arranged at the upper end in a lens cover 9, a button 111 is pressed, and the button 111 drives a clamping hook 112 to slide on the inner side surface of a limiting part 113 and separate from the inner side surface of a clamping groove 116, the lens cover 9 is prevented from being detached inconveniently.

Claims (9)

1. A light and shadow interaction and digital vision control device comprises a machine shell (1), wherein a lens cover (9) is arranged in the middle of the right end of the machine shell (1);
the method is characterized in that: the lens cover is characterized by further comprising an auxiliary storage device (3) and a dismounting mechanism (11), the auxiliary storage device (3) is arranged at the lower left end of the machine shell (1), the dismounting mechanism (11) is arranged at the upper inner end of the lens cover (9), the auxiliary storage device (3) comprises a mounting plate (31), a winding roller (32), a groove (33), a shell (34), a driving mechanism (35), a main shaft (36), a first bevel gear (37), a second bevel gear (38) and a turntable (39), the winding roller (32) is arranged inside the mounting plate (31), the groove (33) is embedded into the outer surface of the winding roller (32) at equal intervals, the shell (34) is fixedly connected with the front end face of the mounting plate (31), the driving mechanism (35) is arranged inside the shell (34), the main shaft (36) penetrates through the middle of the winding roller (32), the first bevel gear (37) is connected with the left end of the main shaft (36), the outer surfaces of the second bevel gear (38) and the first bevel gear (37) are meshed with each other, the rotary disc (39) is connected with the back surface of the second bevel gear (38), and the mounting plate (31) is fixedly connected with the left lower end of the machine shell (1).
2. The apparatus of claim 1, wherein the digital visual control device comprises: casing (1) top left end is fixed with dead lever (2), casing (1) left end middle part is provided with power cord (4), heat dissipation fan (5) are installed to the terminal surface left end before casing (1), the terminal surface upper right end is provided with control switch (6) before casing (1), the terminal surface right side lower extreme equidistance embedding has data interface (7) before casing (1), casing (1) right front end is provided with switch (8), lens cap (9) middle part is provided with camera lens (10), lens cap (9) inside is provided with filter (12), casing (1) internally mounted has circuit board (13).
3. The apparatus of claim 1, wherein the digital visual control device comprises: the driving mechanism (35) comprises a driving wheel (351), a motor (352), a belt (353), a driven wheel (354), a sliding block (355), a sliding groove (356), a movable plate (357), a long rod (358) and a short rod (359), the motor (352) is arranged on the back surface of the driving wheel (351), the driving wheel (351) is connected with the output end of the motor (352), the belt (353) is wound on the outer surface of the driving wheel (351), the driven wheel (354) is connected with the right end of the inner side surface of the belt (353) in a sliding mode, the sliding block (355) is fixedly connected with the upper right end of the front end surface of the driven wheel (354), the sliding groove (356) is embedded into the movable plate (357), the sliding block (355) is connected with the inner side surface of the sliding groove (356) in a sliding mode, the long rod (358) is hinged to the upper end of the front end surface of the movable plate (357), and the short rod (359) is hinged to the right end of the long rod (358), the driving wheel (351) is mounted at the left lower end inside the shell (34), the motor (352) is mounted at the left end of the back face of the shell (34), the movable plate (357) is hinged to the middle inside the shell (34), and the long rod (358) is hinged to the left end inside the shell (34).
4. The apparatus of claim 1, wherein the digital visual control device comprises: disassembly body (11) is including button (111), trip (112), locating part (113), telescopic link (114), spring (115) and draw-in groove (116), button (111) bottom is fixed with trip (112), trip (112) run through in locating part (113) middle part, telescopic link (114) and trip (112) bottom fixed connection, spring (115) cup joint in telescopic link (114) surface, draw-in groove (116) are embedded in the inside right-hand member of casing (1) to trip (112) and draw-in groove (116) medial surface looks joint, button (111) installation and lens cap (9) top left end, locating part (113) and the inside upper left end fixed connection of lens cap (9).
5. The apparatus of claim 1, wherein the digital visual control device comprises: seven grooves (33) are formed in total, and the inner sides of the grooves (33) are smooth planes.
6. The apparatus of claim 3, wherein the digital visual control device comprises: the first bevel gear (37) is set to 5 cm in diameter and the second bevel gear (38) is set to be equal in diameter to the first bevel gear (37).
7. The apparatus of claim 3, wherein the digital visual control device comprises: the central line of the driving wheel (351) and the output end of the motor (352) are in the same horizontal direction, and the motor (352) drives the driving wheel (351) to rotate by 360 degrees.
8. The apparatus of claim 3, wherein the digital visual control device comprises: the diameter of the driving wheel (351) is set to be 8 cm, and the driving wheel (351) is in transmission connection with the outer surface of the driven wheel (354) through a belt (353).
9. The apparatus of claim 4, wherein the digital visual control device comprises: the spring (115) is set to be 2 cm in length, and the force that the spring (115) can provide is 2N.
CN202220052407.9U 2022-01-10 2022-01-10 Light and shadow interaction and digital visual control device Active CN216561372U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220052407.9U CN216561372U (en) 2022-01-10 2022-01-10 Light and shadow interaction and digital visual control device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220052407.9U CN216561372U (en) 2022-01-10 2022-01-10 Light and shadow interaction and digital visual control device

Publications (1)

Publication Number Publication Date
CN216561372U true CN216561372U (en) 2022-05-17

Family

ID=81561668

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220052407.9U Active CN216561372U (en) 2022-01-10 2022-01-10 Light and shadow interaction and digital visual control device

Country Status (1)

Country Link
CN (1) CN216561372U (en)

Similar Documents

Publication Publication Date Title
CN216561372U (en) Light and shadow interaction and digital visual control device
CN210839675U (en) Cell-phone camera flip structure
CN215947390U (en) Lens coating device for optical equipment
CN211146039U (en) Engineering cost progress management device
CN213356564U (en) Automatic receive cell-phone charger of line
CN213545719U (en) Education robot for learning programming
CN216057231U (en) Novel a shoot for animation device
CN202955489U (en) Multifunctional electric torch
CN212936012U (en) Integrative cloud platform camera of screw lamp holder
CN208932710U (en) A kind of data line holder convenient for collecting
CN113409623B (en) English learning training device based on VR real scene dialogue
CN220605584U (en) Outdoor trinity portable power source
CN216356958U (en) Camera capable of splitting lens and host
CN220384756U (en) Multipurpose display device for Internet of things
CN219938420U (en) Outdoor network monitoring camera
CN216774854U (en) Portable motion DV camera stop gear
CN216596176U (en) Can waterproof server power
CN213262188U (en) Automobile monitoring device's equipment mechanism
CN220471243U (en) Camera adjusting frame with dustproof lens
CN216667322U (en) Laser lamp
CN216412313U (en) Fire alarm equipment with compare function
CN210345060U (en) Multifunctional flashlight for police
CN220933740U (en) Holographic showcase
CN210051298U (en) High-speed bearing experiment platform
CN114461237B (en) Portable data flash device

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant