CN111219581A - Statistical information display device - Google Patents

Statistical information display device Download PDF

Info

Publication number
CN111219581A
CN111219581A CN202010050004.6A CN202010050004A CN111219581A CN 111219581 A CN111219581 A CN 111219581A CN 202010050004 A CN202010050004 A CN 202010050004A CN 111219581 A CN111219581 A CN 111219581A
Authority
CN
China
Prior art keywords
display screen
cleaning box
motor
statistical information
lead screw
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.)
Pending
Application number
CN202010050004.6A
Other languages
Chinese (zh)
Inventor
吴晓娟
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.)
Lanzhou University of Technology
Original Assignee
Lanzhou University of Technology
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 Lanzhou University of Technology filed Critical Lanzhou University of Technology
Priority to CN202010050004.6A priority Critical patent/CN111219581A/en
Publication of CN111219581A publication Critical patent/CN111219581A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16MFRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
    • F16M11/20Undercarriages with or without wheels
    • F16M11/24Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
    • B08B1/12
    • B08B1/30
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16MFRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
    • F16M11/02Heads
    • F16M11/04Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand

Abstract

The invention discloses a statistical information display device, and relates to the technical field of statistical equipment; the system comprises a display screen for displaying displayed information; the back of the display screen is fixedly provided with a rotating seat, and two ends of the supporting rod are respectively rotatably arranged on the rotating seat and fixedly arranged on a supporting seat with adjustable height; the cleaning box is attached to the display screen, a self-rotating cleaning brush is arranged inside the cleaning box, an air suction port is further arranged on the cleaning box, the air suction port is communicated with a dust collector main body inside the supporting seat through a hose, and dust on the surface of the display screen can be conveniently adsorbed through the air suction port; the supporting seat is also provided with a controller for controlling the cleaning box to move up and down; the cleaning brush is driven by a third motor arranged in the cleaning box. The invention automatically cleans the display surface of the display screen, ensures the cleanness of the display surface and reduces the labor intensity.

Description

Statistical information display device
Technical Field
The invention relates to the technical field of statistical equipment, in particular to a statistical information display device.
Background
Statistics is a comprehensive science that can infer the nature of a measured object and even predict the future of the object by means of searching, sorting, analyzing, describing data and the like. Statistics uses a large amount of professional knowledge of mathematics and other subjects, and the application range of the statistics almost covers all fields of social science and natural science.
The statistics often needs to show information out, therefore needs statistical information display device, and it shows some dusts of surperficial meeting of surface meeting in the show process, needs regularly clear up its surface, and the manual work clearance is usually adopted to prior art, and working strength is big, and the uncertainty is high, consequently designs a statistical information display device and sets up and solve above-mentioned technical problem.
Disclosure of Invention
The present invention is directed to a statistical information display device to solve the above problems.
In order to achieve the purpose, the invention provides the following technical scheme:
a statistical information display device comprises a display screen for displaying displayed information; the back of the display screen is fixedly provided with a rotating seat, and two ends of the supporting rod are respectively rotatably arranged on the rotating seat and fixedly arranged on a supporting seat with adjustable height; the cleaning box is attached to the display screen, a self-rotating cleaning brush is arranged inside the cleaning box, an air suction port is further arranged on the cleaning box, the air suction port is communicated with a dust collector main body inside the supporting seat through a hose, and dust on the surface of the display screen can be conveniently adsorbed through the air suction port; the supporting seat is also provided with a controller for controlling the cleaning box to move up and down; the cleaning brush is driven by a third motor arranged in the cleaning box.
As a further scheme of the invention: clean box both sides fixed mounting have the installation pole, set up on the installation pole with first lead screw complex screw hole, first lead screw rotates and installs at the display screen back, still be provided with the actuating mechanism who drives first lead screw positive and negative rotation on the display screen.
As a still further scheme of the invention: actuating mechanism installs the pivot at the display screen back including rotating, the fixed cover respectively in pivot both ends is equipped with the worm, both ends the worm respectively with both sides worm wheel meshing on the installation pole, the pivot intermediate position cover is established and is provided with the third gear, the fourth gear meshing of third gear and second motor output, second motor fixed mounting is on the display screen, the second motor is two-way motor.
As a still further scheme of the invention: the supporting seat comprises a fixed seat and a movable fixed platform which is arranged on the fixed seat in an up-and-down sliding mode, and the bottom of the supporting rod is fixedly arranged on the movable fixed platform.
As a still further scheme of the invention: and a lifting component is arranged between the movable fixed platform and the fixed seat.
As a still further scheme of the invention: the lifting assembly comprises a driven part fixedly mounted at the bottom of the movable fixing table and a first motor fixedly mounted inside the fixing seat, the output end of the first motor is in transmission connection with a second gear, the two sides of the second gear are respectively meshed with the first gear and the two sides of the first gear, the first gear is fixedly sleeved on a second lead screw, and the upper end of the second lead screw is rotatably mounted on the driven part.
As a still further scheme of the invention: the bottom of the second lead screw is rotatably arranged on the fixed seat.
As a still further scheme of the invention: driven nuts are installed on two sides of the bottom of the driven piece, the driven nuts are installed on the driven piece through bolts, and the second lead screw is matched with the threads inside the driven nuts.
As a still further scheme of the invention: the base is fixedly arranged at the bottom of the supporting seat.
As a still further scheme of the invention: the cleaning box, the first motor, the second motor and the dust collector main body are all electrically connected with the controller.
Compared with the prior art, the invention has the beneficial effects that: by arranging the cleaning box, the cleaning brush, the mounting rod and other components, the cleaning box can move along the display surface of the display screen to clean the display surface of the display screen, so that the cleaning of the display surface is ensured, and the labor intensity is reduced; mounting rods are arranged on two sides of the cleaning box, the mounting rods on the two sides are respectively arranged on first lead screws, and the first lead screws on the two sides are driven by rotating shafts, so that the movement consistency of the two sides of the cleaning box is ensured, and the running stability is ensured; the movable fixing table is driven to move up and down by the aid of the first motor, the second gear, the first gear, the second lead screw, the driven nut and the like, so that the height of the display screen is adjusted, and requirements of different display heights are met.
Drawings
Fig. 1 is a front view of a statistical information presentation device.
Fig. 2 is a side view of a statistical information presentation device.
Fig. 3 is a schematic diagram of the back side of the display screen of the statistical information display device.
Fig. 4 is a schematic structural diagram of a driven member in the statistical information display device.
In the figure: the device comprises a display screen-1, a support rod-2, a support seat-3, a cleaning box-4, a cleaning brush-5, an installation rod-6, a worm gear-7, a worm-8, a first lead screw-9, a movable fixed table-10, a fixed seat-11, a driven part-12, a driven nut-13, a second lead screw-14, a first gear-15, a dust collector main body-16, a first motor-17, a second gear-18, a rotating shaft-19, a third gear-20, a fourth gear-21, a second motor-22, an air suction port-23, a base-24 and a rotating seat-25.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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.
Example 1
Referring to fig. 1 to 4, in embodiment 1 of the present invention, a statistical information display device includes a display screen 1 for displaying displayed information; a rotating seat 25 is fixedly arranged at the back of the display screen 1, and two ends of the support rod 2 are respectively rotatably arranged on the rotating seat 25 and fixedly arranged on the supporting seat 3 with adjustable height; the cleaning device is characterized in that a cleaning box 4 which can automatically move up and down is arranged on the display surface of the display screen 1, the cleaning box 4 is attached to the display screen 1, a self-rotating cleaning brush 5 is arranged in the cleaning box 4, the cleaning brush 5 is used for cleaning the surface of the display screen 1 to ensure that the surface of the display screen 1 is clean, an air suction port 23 is further arranged on the cleaning box 4, the air suction port 23 is communicated with a dust collector main body 16 in the supporting seat 3 through a hose, and dust on the surface of the display screen 1 can be conveniently adsorbed through the air suction port 23; because prior art's display device, it can gather some dust in the show process, consequently need regularly to clear up its surface, and now usually adopt manual cleaning, working strength is big, and the uncertainty is high, consequently solves above-mentioned technical problem through above-mentioned design setting.
The supporting seat 3 is also provided with a controller for controlling the cleaning box 4 to move up and down; the cleaning brush 5 is driven by a third motor arranged in the cleaning box 4.
Example 2
Referring to fig. 1 to 4, the main difference between the present embodiment 2 and the present embodiment 1 is that mounting rods 6 are fixedly mounted on two sides of the cleaning box 4, a threaded hole matched with a first lead screw 9 is formed in the mounting rod 6, the first lead screw 9 is rotatably mounted on the back surface of the display screen 1, and a driving mechanism for driving the first lead screw 9 to rotate forward and backward is further disposed on the display screen 1. The driving mechanism drives the first lead screw 9 to rotate forward and backward, so that the cleaning box 4 drives the cleaning brush 5 to move up and down, and the outer surface of the display screen 1 is cleaned.
Actuating mechanism installs pivot 19 at the display screen 1 back including rotating, 19 fixed overlaps respectively at pivot both ends are equipped with worm 8, both ends worm 8 respectively with both sides worm wheel 7 meshing on the installation pole 6, 19 intermediate position covers in the pivot are established and are provided with third gear 20, third gear 20 meshes with the fourth gear 21 of second motor 22 output, second motor 22 fixed mounting is on display screen 1, second motor 22 is two-way motor. Display screen 1 drives fourth gear 21 and rotates, and then drive 20 drives pivot 19 and rotates, and the worm 8 and the worm wheel 7 cooperation at 19 both ends of pivot and then the first lead screw 9 of drive rotate, thereby first lead screw 9 and the cooperation of installation pole 6 realize that the drive cleans box 4 and reciprocates, clears up display screen 1 display.
The supporting seat 3 comprises a fixed seat 11 and a movable fixed platform 10 which is arranged on the fixed seat 11 in an up-and-down sliding mode, and the bottom of the supporting rod 2 is fixedly installed on the movable fixed platform 10.
A lifting component is arranged between the movable fixed station 10 and the fixed seat 11. The lifting component drives the movable fixing platform 10 to lift up and down.
The lifting assembly comprises a driven part 12 fixedly arranged at the bottom of the movable fixed station 10 and a first motor 17 fixedly arranged in the fixed seat 11, the output end of the first motor 17 is in transmission connection with a second gear 18, two sides of the second gear 18 are respectively engaged with first gears 15, the first gears 15 at two sides are fixedly sleeved on a second lead screw 14, and the upper end of the second lead screw 14 is rotatably arranged on the driven part 12; the first motor 17 drives the second gear 18 to drive the first gears 15 on the two sides to rotate, the first gears 15 drive the second lead screws 14 to rotate, the second lead screws 14 drive the driven parts 12 to move up and down, and therefore the height of the movable fixing table 10 is adjusted.
The bottom of the second lead screw 14 is rotatably mounted on the fixed seat 11.
Driven nuts 13 are installed on two sides of the bottom of the driven part 12, the driven nuts 13 are installed on the driven part 12 through bolts, and the second lead screw 14 is matched with the threads inside the driven nuts 13 so as to drive the driven part 12 to drive the movable fixing platform 10 to move up and down. The cleaner body 16 is fixedly disposed inside the fixing base 11.
The base 24 is a bi-directional motor.
And a base 24 is fixedly arranged at the bottom of the supporting seat 3.
The cleaning box 4, the first motor 17, the second motor 22 and the cleaner body 16 are all electrically connected with a controller.
The working principle of the invention is as follows: the controller controls the second motor 22 to be started at a fixed time, the display screen 1 drives the fourth gear 21 to rotate, the driving device 20 drives the rotating shaft 19 to rotate, the worms 8 at two ends of the rotating shaft 19 are matched with the worm wheels 7 to drive the first lead screw 9 to rotate, the first lead screw 9 is matched with the mounting rod 6 to drive the cleaning box 4 to move up and down, and the cleaning brush 5 in the cleaning box 4 works under the control of the controller to clean the display surface of the display screen 1; meanwhile, the dust collector main body 16 is electrified to work, so that dust is adsorbed into the dust collector main body 16 and collected; when the cleaning box 4 moves to one end, the controller controls the second motor 22 to turn over, so that the cleaning box 4 returns; when the height of the display screen 1 needs to be adjusted, the controller controls the first motor 17 to be powered on, the first motor 17 drives the second gear 18 to drive the first gears 15 on the two sides to rotate, the first gears 15 drive the second lead screws 14 to rotate, the second lead screws 14 drive the driven parts 12 to move up and down, and therefore the height of the movable fixing table 10 is adjusted.
According to the invention, the cleaning box 4, the cleaning brush 5, the mounting rod 6 and other components are arranged, so that the cleaning box 4 can move along the display surface of the display screen 1 to clean the display surface, the cleanness of the display surface is ensured, and the labor intensity is reduced; the installation rods 6 are arranged on the two sides of the cleaning box 4, the installation rods 6 on the two sides are respectively arranged on the first lead screws 9, and the first lead screws 9 on the two sides are driven by the rotating shaft 19, so that the movement consistency of the two sides of the cleaning box 4 is ensured, and the running stability is ensured; the movable fixing table 10 is driven to move up and down by arranging the first motor 17, the second gear 18, the first gear 15, the second lead screw 14, the driven nut 13 and the like, so that the height of the display screen 1 is adjusted, and the requirements of different display heights are met.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "top", "bottom", "inner", "outer", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, in the description of the present invention, "a plurality" means two or more unless otherwise specified. A feature defined as "first," "second," etc. may explicitly or implicitly include one or more of the feature.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention 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.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (10)

1. A statistical information display device comprises a display screen (1) for displaying displayed information; a rotating seat (25) is fixedly arranged at the back of the display screen (1), and two ends of the supporting rod (2) are respectively rotatably arranged on the rotating seat (25) and fixedly arranged on the supporting seat (3) with adjustable height; the cleaning device is characterized in that a cleaning box (4) capable of automatically moving up and down is arranged on the display surface of the display screen (1), the cleaning box (4) is attached to the display screen (1), a self-rotating cleaning brush (5) is arranged in the cleaning box (4), an air suction port (23) is further arranged on the cleaning box (4), and the air suction port (23) is communicated with a dust collector main body (16) in the supporting seat (3) through a hose; the supporting seat (3) is also provided with a controller for controlling the cleaning box (4) to move up and down; the cleaning brush (5) is driven by a third motor arranged in the cleaning box (4).
2. The statistical information display device according to claim 1, wherein mounting rods (6) are fixedly mounted on two sides of the cleaning box (4), a threaded hole matched with the first lead screw (9) is formed in each mounting rod (6), the first lead screw (9) is rotatably mounted on the back of the display screen (1), and a driving mechanism for driving the first lead screw (9) to rotate forward and backward is further arranged on the display screen (1).
3. The statistical information display device of claim 2, wherein the driving mechanism comprises a rotating shaft (19) rotatably installed at the back of the display screen (1), two ends of the rotating shaft (19) are respectively and fixedly sleeved with a worm (8), two ends of the worm (8) are respectively meshed with two sides of a worm wheel (7) on the installation rod (6), a third gear (20) is sleeved at the middle position of the rotating shaft (19), the third gear (20) is meshed with a fourth gear (21) at the output end of the second motor (22), the second motor (22) is fixedly installed on the display screen (1), and the second motor (22) is a two-way motor.
4. The statistical information display device according to claim 3, wherein the supporting base (3) comprises a fixed base (11) and a movable fixed platform (10) which is arranged on the fixed base (11) in a sliding manner up and down, and the bottom of the supporting rod (2) is fixedly arranged on the movable fixed platform (10).
5. The statistical information presentation device according to claim 4, wherein a lifting assembly is arranged between the mobile stationary stage (10) and the stationary stage (11).
6. The statistical information display device according to claim 5, wherein the lifting assembly comprises a driven member (12) fixedly installed at the bottom of the movable fixed platform (10) and a first motor (17) fixedly installed inside the fixed base (11), the output end of the first motor (17) is connected with a second gear (18) in a transmission manner, two sides of the second gear (18) are respectively engaged with the first gears (15), the first gears (15) at two sides are fixedly sleeved on the second lead screw (14), and the upper end of the second lead screw (14) is rotatably installed on the driven member (12).
7. The statistical information presentation device according to claim 6, wherein the second threaded spindle (14) is rotatably mounted at the bottom on the fixed base (11).
8. The statistical information display device according to any one of claims 6-7, wherein driven nuts (13) are mounted on two sides of the bottom of the driven member (12), the driven nuts (13) are mounted on the driven member (12) through bolts, and the second lead screw (14) is matched with threads inside the driven nuts (13).
9. The statistical information display device according to claim 1, wherein a base (24) is fixedly installed at the bottom of the supporting base (3).
10. The statistical information presentation device according to claim 8, wherein the cleaning box (4), the first motor (17), the second motor (22) and the cleaner body (16) are electrically connected to a controller.
CN202010050004.6A 2020-01-16 2020-01-16 Statistical information display device Pending CN111219581A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010050004.6A CN111219581A (en) 2020-01-16 2020-01-16 Statistical information display device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010050004.6A CN111219581A (en) 2020-01-16 2020-01-16 Statistical information display device

Publications (1)

Publication Number Publication Date
CN111219581A true CN111219581A (en) 2020-06-02

Family

ID=70827126

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010050004.6A Pending CN111219581A (en) 2020-01-16 2020-01-16 Statistical information display device

Country Status (1)

Country Link
CN (1) CN111219581A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113345283A (en) * 2021-06-15 2021-09-03 陕西科技大学 Convenient and efficient children drawing guidance system

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205487169U (en) * 2016-03-11 2016-08-17 成都九洲电子科技有限公司 Outdoor display screen with self - cleaning device
CN107239110A (en) * 2017-08-03 2017-10-10 合肥祥国电子商务有限公司 A kind of computer display marginalisation dust adsorption clears up managing and control system
CN107256680A (en) * 2017-06-02 2017-10-17 合肥市惠科精密模具有限公司 A kind of LCDs with dustproof function
CN107818731A (en) * 2017-10-10 2018-03-20 成都德顺泓沥科技有限公司 A kind of electronic label with function of solar charging
CN108787518A (en) * 2018-07-18 2018-11-13 安徽三弟电子科技有限责任公司 A kind of solar energy photovoltaic panel cleaning device
CN109712526A (en) * 2019-03-04 2019-05-03 泉州市金永贸进出口有限公司 A kind of novel business administration display board
CN209087341U (en) * 2018-08-29 2019-07-09 深圳市松安实业有限公司 One kind being convenient for clean billboard
CN209514887U (en) * 2018-09-18 2019-10-18 邓坤 A kind of display board of the statistical probability teaching convenient for teaching

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205487169U (en) * 2016-03-11 2016-08-17 成都九洲电子科技有限公司 Outdoor display screen with self - cleaning device
CN107256680A (en) * 2017-06-02 2017-10-17 合肥市惠科精密模具有限公司 A kind of LCDs with dustproof function
CN107239110A (en) * 2017-08-03 2017-10-10 合肥祥国电子商务有限公司 A kind of computer display marginalisation dust adsorption clears up managing and control system
CN107818731A (en) * 2017-10-10 2018-03-20 成都德顺泓沥科技有限公司 A kind of electronic label with function of solar charging
CN108787518A (en) * 2018-07-18 2018-11-13 安徽三弟电子科技有限责任公司 A kind of solar energy photovoltaic panel cleaning device
CN209087341U (en) * 2018-08-29 2019-07-09 深圳市松安实业有限公司 One kind being convenient for clean billboard
CN209514887U (en) * 2018-09-18 2019-10-18 邓坤 A kind of display board of the statistical probability teaching convenient for teaching
CN109712526A (en) * 2019-03-04 2019-05-03 泉州市金永贸进出口有限公司 A kind of novel business administration display board

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113345283A (en) * 2021-06-15 2021-09-03 陕西科技大学 Convenient and efficient children drawing guidance system

Similar Documents

Publication Publication Date Title
CN113034987A (en) Multi-functional teaching equipment of college english
CN111219581A (en) Statistical information display device
CN112452865B (en) Outdoor electronic screen with self-cleaning function
CN114198622A (en) Building engineering cost mapping equipment
CN211106579U (en) Building engineering cost analytical equipment
CN209883384U (en) Operating table convenient for adjusting position of display
CN215006477U (en) Artificial intelligence data storage device
CN214132886U (en) Display dustproof construction
CN215569028U (en) Supporting device for dry fog dust suppression device
CN209213389U (en) A kind of led display screen convenient for adjusting orientation
CN217890582U (en) Glass polishing equipment for liquid crystal display production
CN112984295A (en) Data processing and receiving terminal for overall human resource planning
CN220166740U (en) Telescopic temporary examination warning screen
CN213121522U (en) Mining area atmospheric environmental pollution source monitoring device
CN217503139U (en) Interactive slide rail screen of two lead screws in bottom
CN219712923U (en) Software development display screen device
CN210443099U (en) Electronic sand table
CN219366775U (en) Low-voltage high-speed reducer
CN220284652U (en) Three-dimensional reflective type signboard
CN217610335U (en) Display device utilizing three-dimensional transparent superposition type visual design
CN219539739U (en) Dust recovery processing device
CN220149736U (en) Cleaning equipment for drawing frame
CN219923787U (en) Maintenance device
CN219180159U (en) Adjustable publicity board
CN113100658B (en) Automatic cleaning device with atmospheric particulate adsorption dust and screen window

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20200602