CN112419798B - Presentation device is used in accounting computerization - Google Patents
Presentation device is used in accounting computerization Download PDFInfo
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- CN112419798B CN112419798B CN202011361032.6A CN202011361032A CN112419798B CN 112419798 B CN112419798 B CN 112419798B CN 202011361032 A CN202011361032 A CN 202011361032A CN 112419798 B CN112419798 B CN 112419798B
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- display screen
- box body
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- fixedly connected
- sliding
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- 238000005192 partition Methods 0.000 claims description 10
- 238000005096 rolling process Methods 0.000 claims 1
- 239000003381 stabilizer Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 4
- 238000009423 ventilation Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 244000309464 bull Species 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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Classifications
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B5/00—Electrically-operated educational appliances
- G09B5/02—Electrically-operated educational appliances with visual presentation of the material to be studied, e.g. using film strip
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/16—Details concerning attachment of head-supporting legs, with or without actuation of locking members thereof
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/20—Undercarriages with or without wheels
- F16M11/24—Undercarriages 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/42—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters with arrangement for propelling the support stands on wheels
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Business, Economics & Management (AREA)
- Physics & Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention discloses a demonstration device for accounting computerization, which comprises a box body, wherein a motor drives a double-rotation-direction screw rod rotating rod, two sliding block blocks are driven to be close to each other by the rotation of the double-rotation-direction screw rod, so that two first connecting rods and two second connecting rods are parallel to each other, the sliding plate is pushed to move upwards, the first display screen is further pushed to move upwards to be exposed out of the box body for teachers to use, a rectangular frame is pulled out of the box body, under the reset action of a spring, a supporting leg is unfolded, the bottom surface of the supporting leg is attached to the top surface of the box body, so that the rectangular frame is supported, then two second display screens are unfolded, the movable end of a telescopic rod is inserted into a clamping groove in the back surface of the second display screen, the telescopic rod can be adjusted in length, and then the telescopic rod is fixed by a second fastening bolt, so that the angle of the display screen can be adjusted, the problem that students cannot see the display screen clearly due to light reflection is solved, and the practicability is high.
Description
Technical Field
The invention relates to the technical field of accounting computerization teaching, in particular to a demonstration device for accounting computerization.
Background
Accounting computerization is also called computer accounting, which refers to the application of information technology using an electronic computer as a main body in accounting work, utilizes accounting software to command accounting work processes which are finished manually or are difficult to finish manually in various computer equipment, and uses a demonstration device in the accounting computerization teaching process.
Present accounting is presentation device for computerization is provided with two screens usually, one is towards the mr, supply the mr to give lessons teaching usefulness, one is towards the student, audio-visual let the student see how the mr is operated, make things convenient for the student to understand, improve teaching efficiency, two screens among the current presentation device can't adjust, lead to receiving the light reflection of light influence, the student probably can't see the screen clearly, and can't adjust also make things convenient for the teacher to use, there is certain not enough.
Disclosure of Invention
The present invention is directed to a demonstration apparatus for computerization of accountants, which solves the above problems.
In order to achieve the purpose, the invention provides the following technical scheme:
the demonstration device for the accounting computerization comprises a box body, wherein two groups of sliding grooves are symmetrically formed in the front and back of the left side of an inner cavity of the box body, two sliding blocks are symmetrically and slidably connected in the two groups of sliding grooves, a motor is fixedly connected to the outer surface of any sliding block, an output shaft of the motor is fixedly connected to one end of a double-rotation-direction screw rod, the other end of the double-rotation-direction screw rod is rotatably connected to the other sliding block through a bearing, a limiting ring is fixedly sleeved on the outer surface of the middle part of the double-rotation-direction screw rod, two sliding blocks are symmetrically and threadedly connected to the left and right of the outer surface of the double-rotation-direction screw rod, the upper surfaces of the two sliding blocks are hinged to the bottom end of a first connecting rod through hinges, the top end of the first connecting rod is hinged to the middle part of the bottom surface of the sliding plates through hinges, the sliding blocks are slidably connected to the inner side wall of the box body, the lower surfaces of the two sliding blocks are hinged to the top end of a second connecting rod through hinges to the middle part of the left side of the inner cavity of the box body through hinges; the improved display screen comprises a sliding plate and is characterized in that a first display screen is arranged above the sliding plate and is fixedly connected with the top surface of the sliding plate through a supporting component, the supporting component comprises a supporting rod, a first adjusting rod, a second adjusting rod, an arc rod, a sliding sleeve and a first fastening bolt, the bottom end of the supporting rod is fixedly connected with the middle part of the top surface of the sliding plate, the top end of the supporting rod is rotatably connected with one end of the first adjusting rod through a rotating rod, the other end of the first adjusting rod is fixedly connected with the back surface of the first display screen, the back surface of the first display screen is located on one side of the first adjusting rod and is fixedly connected with the arc rod, the sliding sleeve is sleeved on the outer surface of the arc rod and is provided with the sliding sleeve, the second adjusting rod is fixedly connected between the sliding sleeve and the supporting rod, a plurality of first threaded grooves are uniformly formed in the side wall of the arc rod, a second threaded groove matched with the first threaded groove is formed in the sliding sleeve, and the first threaded groove is connected with the second threaded groove through the first fastening bolt.
As a further scheme of the invention: the box roof left side is seted up the rectangular channel that supplies first display screen to pass, and has first chamber door through the hinge articulated in the rectangular channel.
As a still further scheme of the invention: the portable power source is arranged on the right side of the bottom surface of the inner cavity of the box body, the portable power source is electrically connected with the first display screen, and the inner cavity of the box body is located between the portable power source and the first display screen and fixedly connected with the first partition plate.
As a still further scheme of the invention: two second partition plates are fixedly connected to the inner cavity of the box body at the rear end of the mobile power supply at intervals, a second display screen is arranged between the two second partition plates, and the second display screen is movably connected with the box body through a rotating assembly; the rotating assembly comprises a rectangular frame, support legs, springs, fixing blocks, balls, telescopic rods and second fastening bolts; rectangle frame bottom left side is rotated through the bull stick and is connected with the box, the symmetry articulates around rectangle frame bottom right side has two stabilizer blades, the stabilizer blade with fixed connection spring between the rectangle frame, one side fixedly connected with fixed block that the stabilizer blade was kept away from mutually, the one end roll that the stabilizer blade was kept away from to the fixed block is installed the ball, the second display screen has two, and articulates through hinge and rectangle frame left side wall, the rectangle frame, two one side right-hand member equidistance that the second display screen is close to mutually has seted up a plurality of draw-in grooves, a plurality of telescopic links have been arranged through the hinge equidistance to rectangle frame right side inner wall, just the telescopic link carries out length fixation through second fastening bolt.
As a still further scheme of the invention: the second display screen is electrically connected to the first display screen, and the second display screen is also electrically connected to the mobile power supply.
As a still further scheme of the invention: four corners of the bottom surface of the box body are movably connected with universal wheels.
As a still further scheme of the invention: the portable power source box comprises a box body, a box body front side plate and a box body top plate, wherein the box body front side plate is opposite to the portable power source and is provided with a plurality of ventilation holes, the box body top plate is opposite to the portable power source and is hinged to a second box door through a hinge, and a handle is fixedly connected to the first box door and the second box door.
Compared with the prior art, the invention has the beneficial effects that:
1. when the device is used, firstly, the motor drives the double-rotation-direction screw rod rotating rod, the double-rotation-direction screw rod rotates to drive the two sliding block blocks to approach each other, so that the two first connecting rods and the two second connecting rods tend to be parallel, and meanwhile, under the action of the first connecting rods and the second connecting rods, the sliding plate is pushed to move upwards, so that the first display screen is pushed to move upwards to be exposed outside the box body for a teacher to use; secondly, the rectangular frame is pulled out of the box body, the supporting legs are propped open under the reset action of the springs, the bottom surfaces of the supporting legs are attached to the top surface of the box body, so that the rectangular frame is supported, then the two second display screens are unfolded, the movable ends of the telescopic rods are inserted into clamping grooves in the back surfaces of the second display screens, the telescopic rods can be fixed by adjusting the lengths of the telescopic rods and then the second fastening bolts, so that the problem of adjusting the angles of the display screens is solved, the problem that the display screens cannot be seen clearly by students due to light reflection is solved, and the practicability is high; and finally, the first display screen is butted with the second display screen, so that students can acquire the content on the first display screen through the second display screen, and the teaching is facilitated.
2. When the box is not used, the motor drives the double-rotation-direction screw rod to rotate reversely, so that the first display screen is driven to descend into the box body, the first box door is covered, and the first display screen is protected; the telescopic rod and the second display screen are reset, the rectangular frame is rotated again to reset into the box body, so that the second display screen is protected, the rectangular frame is rotated, the surface of the second partition plate rolls through balls in the process of rotating the rectangular frame, abrasion is reduced, and the service life of the device is prolonged.
Drawings
Fig. 1 is a schematic structural view of a demonstration apparatus for accounting computerization.
Fig. 2 is a front view of a presentation apparatus for computerization of accountants.
Fig. 3 is a right side view of a presentation apparatus for accounting computerization.
Fig. 4 is a bottom right side view of a rectangular frame in a presentation apparatus for computerization of accountants.
Fig. 5 is a top view of a presentation device for accounting computerization.
Fig. 6 is a perspective view of a presentation device for accounting computerization.
The references in the drawings are respectively: a box body 1; a slide block 2; a motor 3; a double-rotation-direction screw rod 4; a limit ring 5; a slide block 6; a first link 7; a second link 8; a slide plate 9; a first display screen 10; a support bar 11; a first adjusting lever 12; a second adjusting lever 13; a circular-arc rod 14; a sliding sleeve 15; a first fastening bolt 16; a first door 17; a first separator 18; a mobile power supply 19; a second separator 20; a second display screen 21; a rectangular frame 22; a leg 23; a spring 24; a fixed block 25; the balls 26; an expansion link 27; the second fastening bolt 28; a second door 29; a handle 30; and a universal wheel 31.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Example 1
Referring to fig. 1-6, a demonstration device for accountant computerization comprises a box body 1, wherein two groups of sliding grooves are symmetrically formed in the left side of the inner cavity of the box body 1 in a front-back manner, two sliding blocks 2 are symmetrically and slidably connected in the two groups of sliding grooves, a motor 3 is fixedly connected to the outer surface of any sliding block 2, an output shaft of the motor 3 is fixedly connected to one end of a double-rotation-direction screw rod 4, the other end of the double-rotation-direction screw rod 4 is rotatably connected to the other sliding block 2 through a bearing, a limiting ring 5 is fixedly sleeved on the outer surface of the middle part of the double-rotation-direction screw rod 4, two sliding blocks 6 are symmetrically and threadedly connected to the outer surface of the double-rotation-direction screw rod 4 in a left-right manner, the upper surfaces of the two sliding blocks 6 are hinged to the bottom end of a first connecting rod 7 through hinges, the top end of the first connecting rod 7 is hinged to the middle part of the bottom surface of a sliding plate 9 through hinges, the sliding blocks 6 are slidably connected to the inner side wall of the box body 1, the lower surfaces of the two sliding blocks 6 are hinged to the top end of a second connecting rod 8 through hinges to the bottom surface of the second connecting rod 8 through hinges to the middle part of the bottom surface of the inner cavity of the box body 1 through hinges; the improved display screen comprises a sliding plate 9, and is characterized in that a first display screen 10 is arranged above the sliding plate 9, the first display screen 10 is fixedly connected with the top surface of the sliding plate 9 through a supporting component, the supporting component comprises a supporting rod 11, a first adjusting rod 12, a second adjusting rod 13, an arc rod 14, a sliding sleeve 15 and a first fastening bolt 16, the bottom end of the supporting rod 11 is fixedly connected with the middle of the top surface of the sliding plate 9, the top end of the supporting rod 11 is rotatably connected with one end of the first adjusting rod 12 through a rotating rod, the other end of the first adjusting rod 12 is fixedly connected with the back surface of the first display screen 10, the back surface of the first display screen 10 is fixedly connected with an arc rod on one side of the first adjusting rod 12, the outer surface of the arc rod is slidably sleeved with the sliding sleeve 15, the second adjusting rod 13 is fixedly connected between the sliding sleeve 15 and the supporting rod 11, a plurality of first threaded grooves are uniformly formed in the side wall of the arc rod, the sliding sleeve 15 is provided with second threaded grooves matched with the first threaded grooves, and the first threaded grooves are connected with the second threaded grooves through the first fastening bolt 16.
The left side of the top plate of the box body 1 is provided with a rectangular groove for the first display screen 10 to pass through, and a first box door 17 is hinged in the rectangular groove through a hinge.
Two second partition plates 20 are fixedly connected to the inner cavity of the box body 1 at the rear end of the mobile power supply 19 at intervals, a second display screen 21 is arranged between the two second partition plates 20, and the second display screen 21 is movably connected with the box body 1 through a rotating assembly; the rotating assembly comprises a rectangular frame 22, a supporting leg 23, a spring 24, a fixed block 25, a ball 26, an expansion link 27 and a second fastening bolt 28; rectangle frame 22 bottom left side is rotated with box 1 through the bull stick and is connected, the symmetry articulates around rectangle frame 22 bottom right side has two stabilizer blades 23, stabilizer blade 23 with fixed connection spring 24 between the rectangle frame 22, one side fixedly connected with fixed block 25 that stabilizer blade 23 kept away from mutually, the one end roll mounting that stabilizer blade 23 was kept away from to fixed block 25 has ball 26, second display screen 21 has two, and articulates with rectangle frame 22 left side wall through the hinge, rectangle frame 22, two one side right-hand member that second display screen 21 is close to mutually impartial apart from having seted up a plurality of draw-in grooves, rectangle frame 22 right side inner wall has arranged a plurality of telescopic links 27 through the hinge equidistance, just telescopic link 27 carries out length through second fastening bolt 28 and fixes.
The second display screen 21 is electrically connected to the first display screen 10, the second display screen 21 is also electrically connected to the mobile power source 19, and the mobile power source 19 supplies power to the first display screen 10 and the second display screen 21.
All swing joint in 1 bottom surface four corners of box has universal wheel 31, and the universal wheel 31 of setting conveniently removes the device is whole.
The working principle of the invention is as follows: when the device is used, firstly, the motor 3 drives the rotating rod of the double-rotation-direction screw rod 4, the double-rotation-direction screw rod 4 rotates to drive the two sliding blocks 6 to be close to each other, so that the two first connecting rods 7 and the two second connecting rods 8 tend to be parallel, meanwhile, under the action of the first connecting rods 7 and the second connecting rods 8, the sliding plate 9 is pushed to move upwards, the first display screen 10 is further pushed to move upwards to be exposed outside the box body 1 for a teacher to use, meanwhile, the second adjusting rod 13 can be rotated to change the angle of the first display screen 10, and the first fastening bolt 16 is in threaded connection with the first thread groove and the second thread groove, so that the first display screen 10 is fixed, and the practicability of the device is enhanced;
secondly, the rectangular frame 22 is pulled out of the box body 1, under the reset action of the spring 24, the support leg 23 is unfolded, the bottom surface of the support leg 23 is attached to the top surface of the box body 1, so that the rectangular frame 22 is supported, then the two second display screens 21 are unfolded, the movable end of the telescopic rod 27 is inserted into a clamping groove in the back surface of the second display screen 21, the telescopic rod 27 can be fixed by the second fastening bolt 28 by adjusting the length of the telescopic rod 27, the problem of adjusting the angle of the display screens is solved, the problem that the display screens cannot be seen clearly by students due to light reflection is solved, and the practicability is high;
finally, the first display screen 10 is butted with the second display screen 21, and students can acquire the content on the first display screen 10 through the second display screen 21, so that teaching is facilitated.
When the box is not used, the motor 3 drives the double-rotation-direction screw rod 4 to rotate reversely, so that the first display screen 10 is driven to descend into the box body 1, the first box door 17 is covered, and the first display screen 10 is protected; the telescopic rod 27 and the second display screen 21 are reset, and then the rectangular frame 22 is rotated to reset into the box body 1, so that the second display screen 21 is protected, and in the process of rotating the rectangular frame 22, the balls 26 roll on the surface of the second partition plate 20, so that the abrasion is reduced, and the service life of the device is prolonged.
Example 2
The present embodiment is a further improvement on the basis of embodiment 1, and specifically includes the following steps:
referring to fig. 1-6, a plurality of ventilation holes are formed in the position, opposite to the mobile power supply 19, of the front side plate of the box body 1, a second box door 29 is hinged to the position, opposite to the mobile power supply 19, of the top plate of the box body 1 through hinges, handles 30 are fixedly connected to the first box door 17 and the second box door 29, the power supply can conveniently dissipate heat through the arrangement of the ventilation holes, the mobile power supply 19 can be conveniently overhauled and replaced through the arrangement of the second box door 29, and the first box door 17 and the second box door 29 can be conveniently opened through the arrangement of the handles 30.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (4)
1. The demonstration device for the accountant computerization comprises a box body (1) and is characterized in that two groups of sliding grooves are symmetrically formed in the front and back of the left side of an inner cavity of the box body (1), two sliding blocks (2) are symmetrically and slidably connected in the two groups of sliding grooves, a motor (3) is fixedly connected to the outer surface of any sliding block (2), an output shaft of the motor (3) is fixedly connected to one end of a double-rotation-direction lead screw (4), the other end of the double-rotation-direction lead screw (4) is rotatably connected to the other sliding block (2) through a bearing, a limiting ring (5) is fixedly sleeved on the outer surface of the middle part of the double-rotation-direction lead screw (4), two sliding blocks (6) are symmetrically and threadedly connected to the left and right of the outer surface of the double-rotation-direction lead screw (4) in a threaded manner, the upper surfaces of the two sliding blocks (6) are hinged to the bottom end of a first connecting rod (7) through hinges, the top end of the first connecting rod (7) is hinged to the middle part of the bottom surface of a sliding plate (9) through hinges, the bottom surface of the first connecting rod (7) is hinged to the middle part of the bottom surface, the sliding block (6) is slidably connected to the inner wall of the sliding block (1) and connected to the inner wall of the box body (1) through hinges, the bottom surface of the second connecting rod (8) through the middle part of the bottom surface of the box body (1) through hinges;
a first display screen (10) is arranged above the sliding plate (9), the first display screen (10) is fixedly connected with the top surface of the sliding plate (9) through a support assembly, the support assembly comprises a support rod (11), a first adjusting rod (12), a second adjusting rod (13), an arc rod (14), a sliding sleeve (15) and a first fastening bolt (16), the bottom end of the support rod (11) is fixedly connected with the middle of the top surface of the sliding plate (9), the top end of the support rod (11) is rotatably connected with one end of the first adjusting rod (12) through a rotating rod, the other end of the first adjusting rod (12) is fixedly connected with the back surface of the first display screen (10), the arc rod (14) is fixedly connected to one side of the first adjusting rod (12) on the back surface of the first display screen (10), the sliding sleeve (15) is slidably sleeved on the outer surface of the arc rod (14), the second adjusting rod (13) is fixedly connected between the sliding sleeve (15) and the support rod (11), a plurality of first thread grooves are uniformly formed in the side wall of the arc rod (14), the second thread grooves are formed in a manner, and the second thread grooves are fastened with the first thread grooves (16);
a mobile power supply (19) is arranged on the right side of the bottom surface of the inner cavity of the box body (1), the mobile power supply (19) is electrically connected with the first display screen (10), and a first partition plate (18) is fixedly connected between the mobile power supply (19) and the first display screen (10) in the inner cavity of the box body (1);
two second partition plates (20) are fixedly connected to the inner cavity of the box body (1) at the rear end of the mobile power supply (19) at intervals, a second display screen (21) is arranged between the two second partition plates (20), and the second display screen (21) is movably connected with the box body (1) through a rotating assembly; the rotating assembly comprises a rectangular frame (22), supporting legs (23), a spring (24), a fixing block (25), a ball (26), an expansion link (27) and a second fastening bolt (28); the left side of the bottom of the rectangular frame (22) is rotatably connected with the box body (1) through a rotating rod, two support legs (23) are symmetrically hinged to the front side and the rear side of the right side of the bottom of the rectangular frame (22), springs (24) are fixedly connected between the support legs (23) and the rectangular frame (22), one side, away from the support legs (23), of each support leg (23) is fixedly connected with a fixed block (25), balls (26) are mounted at one ends, away from the support legs (23), of the fixed blocks (25) in a rolling mode, two second display screens (21) are hinged to the left side wall of the rectangular frame (22) through hinges, a plurality of clamping grooves are formed in the right end, close to the two second display screens (21), of the right end, in equal distance, of the right side of the rectangular frame (22), a plurality of telescopic rods (27) are arranged on the inner wall of the right side of the rectangular frame (22) in equal distance through hinges, and the telescopic rods (27) are fixed in length through second fastening bolts (28);
the second display screen (21) is electrically connected to the first display screen (10), and the second display screen (21) is also electrically connected to the mobile power supply (19).
2. The accounting computerization demonstration device according to claim 1, wherein a rectangular groove for the first display screen (10) to pass through is formed in the left side of a top plate of the box body (1), and a first box door (17) is hinged in the rectangular groove through a hinge.
3. An accounting computerization demonstration device according to claim 1, wherein universal wheels (31) are movably connected to four corners of the bottom surface of the box body (1).
4. The accounting demonstration device for computerization of claim 2, wherein a plurality of vent holes are formed in the position, facing the mobile power supply (19), of the front side plate of the box body (1) in an array manner, a second box door (29) is hinged to the position, facing the mobile power supply (19), of the top plate of the box body (1) through hinges, and handles (30) are fixedly connected to the first box door (17) and the second box door (29).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011361032.6A CN112419798B (en) | 2020-11-27 | 2020-11-27 | Presentation device is used in accounting computerization |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011361032.6A CN112419798B (en) | 2020-11-27 | 2020-11-27 | Presentation device is used in accounting computerization |
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| Publication Number | Publication Date |
|---|---|
| CN112419798A CN112419798A (en) | 2021-02-26 |
| CN112419798B true CN112419798B (en) | 2023-04-07 |
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| CN202011361032.6A Active CN112419798B (en) | 2020-11-27 | 2020-11-27 | Presentation device is used in accounting computerization |
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| CN115318504A (en) * | 2022-08-15 | 2022-11-11 | 江苏科技大学 | Spraying device for inner and outer corners of self-adaptive ship subsection |
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| CN111520591A (en) * | 2020-04-28 | 2020-08-11 | 张贞贞 | Multimedia teaching device |
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| US7289315B2 (en) * | 2001-11-08 | 2007-10-30 | Apple Inc. | Computer controlled display device |
| US20080164398A1 (en) * | 2007-01-08 | 2008-07-10 | Samsung Electro-Mechanics Co., Ltd. | Display support apparatus |
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