CN111536379B

CN111536379B - Accounting economy finance report projection arrangement

Info

Publication number: CN111536379B
Application number: CN202010413093.6A
Authority: CN
Inventors: 孔媛
Original assignee: Shandong Polytechnic College
Current assignee: Shandong Polytechnic College
Priority date: 2020-05-15
Filing date: 2020-05-15
Publication date: 2021-06-25
Anticipated expiration: 2040-05-15
Also published as: CN111536379A

Abstract

The invention provides a financial report projection device for accounting economy, and relates to the field of projection devices. This accounting economy finance report projection arrangement, including the base, the first fixed cover of base top fixedly connected with, first fixed cover top is equipped with first movable sleeve, and first movable sleeve inside is equipped with first movable block, first fixed block top fixedly connected with fly leaf, and the fly leaf top is equipped with first lag and second lag. This accounting economy finance report projection arrangement is through simple structure intercombination, can the ascending angle modulation of effectual control projecting apparatus all directions, thereby it leads to the projecting apparatus to produce the collision and makes the projecting apparatus receive the damage to remove the projecting apparatus repeatedly when having avoided the manual regulation fuselage, also need not go to look for the article of bedding at the bottom in order to adjust the height, can effectual saving staff's time, the manual regulation projecting apparatus angle of same simple, thereby it brings the trouble to have avoided the new hand not familiar with the operation of projecting apparatus for the worker.

Description

Accounting economy finance report projection arrangement

Technical Field

The invention relates to the technical field of projection devices, in particular to a financial report projection device for accounting economy.

Background

The projector, also known as a projector, is a device capable of projecting images or videos onto a curtain, and can be connected with a computer, a VCD, a DVD, a BD, a game machine, a DV, and the like through different interfaces to play corresponding video signals.

The projector has the audio-visual playing function, so the projector is often used in meeting reports of various special discussions, academic courses and offices, when the projector is used, a video or an image needs to be projected onto a corresponding curtain, when the projector is used, the position of the image on the curtain needs to be adjusted by adjusting the focal length of the body of the projector or the projector, when the body is adjusted, the body is mostly moved to adjust the left and right directions, but the up and down directions are mostly padded at the bottom of the projector by taking things, so the adjustment is troublesome, the adjustment of the focal length of the projector generally needs professionals or users familiar with the projector to adjust, the operation is troublesome for new hands, and the adjustment angle of the focal length of the projector is mostly set in advance, for the image with more accurate projection, compared with the projection of economic financial reports and the like, the adjustment of the focal length to adjust the position of the image on the curtain is difficult, for the suspended projector, most projectors are directly placed on the hanging bracket, corresponding fixing devices are lacked, and danger is easy to occur during manual adjustment.

Disclosure of Invention

Technical problem to be solved

In view of the deficiencies of the prior art, the present invention provides a financial report projection device for accounting economy, which solves the problems mentioned above in the background art.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: an accounting economy finance report projection device comprises a base, wherein a first fixing sleeve is fixedly connected to the top of the base, a first sliding groove is formed in the first fixing sleeve, a first rotating block is slidably connected to the inside of the first sliding groove, a first movable sleeve is fixedly connected to the top of the first rotating block, a first movable block is arranged in the first movable sleeve and is in threaded connection with the first movable sleeve, a first through hole is formed in the first movable block, a fixed rod is slidably connected to the inside of the first through hole and is fixedly connected with the first movable sleeve, a first fixed block is fixedly connected to the top of the first movable block, first fixed shafts are fixedly connected to two sides of the first fixed block, a second fixed block is fixedly connected to one end, away from the first fixed block, of each first fixed shaft, and a movable plate is fixedly connected to the top of the first fixed block, first recess has been seted up to the fly leaf bottom, the first connecting block of the equal fixedly connected with in first recess both ends, the second through-hole has been seted up to first connecting block inside, the second through-hole cup joints with first fixed axle activity, the fly leaf is articulated through first fixed axle and first fixed block activity, the first lag of fly leaf top one side fixedly connected with, first lag one side is kept away from to the fly leaf is equipped with the second lag, the equal first sliding block of fixedly connected with in second lag bottom both ends, the fly leaf is close to second lag one side both ends and has all been seted up the second sliding tray, second sliding tray and first sliding block sliding connection.

Preferably, third sliding grooves are formed in two sides of the first fixing sleeve, a second connecting block is connected to the inside of each third sliding groove in a sliding mode, the second connecting block is far away from a second movable sleeve fixedly connected with one end of the first fixing sleeve, a first tooth groove is formed in the second movable sleeve, the number of the first tooth grooves is multiple and multiple, the first tooth grooves are distributed in a circumferential array mode, a first clamping block is fixedly connected to the bottom of the outer side of the first movable sleeve, the number of the first clamping blocks is multiple and multiple, the first clamping blocks are distributed in a circumferential array mode, and the first clamping blocks are clamped with the first tooth grooves.

Preferably, a third through hole is formed in the bottom of the first fixing block, the third through hole is movably sleeved with a fixing rod, and the fixing rod penetrates through the first movable block and the first fixing block.

Preferably, the first coil spring is fixedly connected to one side, close to the first protective sleeve, of the first sliding block, one end, away from the first sliding block, of the first coil spring is fixedly connected to the movable plate, a first spring groove is formed in one side, close to the first coil spring, of the bottom of the first sliding block, a second coil spring is fixedly connected to the inside of the first spring groove, the second coil spring is close to one end, close to the movable plate, of the second clamping block, and the second clamping block is slidably connected to the first spring groove through the second coil spring.

Preferably, both sides of the bottom of the movable plate are provided with fourth through holes, the fourth through holes are communicated with the second sliding groove, a third clamping block is connected to the inside of each fourth through hole in a sliding mode, and the third clamping block is in contact with the second clamping block but is not connected with the second clamping block.

Preferably, the second groove has all been seted up at fly leaf both sides middle part, the second spring groove has been seted up to second recess bottom, second spring groove bottom fixedly connected with third coil spring, second spring groove one end fixedly connected with rack plate is kept away from to third coil spring, rack plate and second recess sliding connection.

Preferably, the fixed cover of fly leaf both sides middle part fixedly connected with second, the fixed cover bottom of second is linked together with the second recess, the fifth through-hole has been seted up at the fixed cover top of second, the inside sliding connection of fifth through-hole has the fourth fixture block, fourth fixture block bottom fixedly connected with second fixed axle, the second fixed axle outside is rotated and is connected with the third connecting block, third connecting block and rack board fixed connection.

Preferably, the second fixed block is kept away from first fixed block one end and has been seted up the second tooth's socket, the quantity of second tooth's socket sets up to a plurality ofly, and is a plurality of the second tooth's socket is the circumference array and distributes, the tooth piece looks block on second tooth's socket and the rack board.

Preferably, the equal fixedly connected with fourth connecting block in base both ends, the third recess has been seted up to fourth connecting block bottom, the sixth through-hole has been seted up at fourth connecting block top, the sixth through-hole is linked together with the third recess, the inside fixed plate that is equipped with of third recess, fixed plate top fixedly connected with threaded rod, the threaded rod outside is equipped with the nut, threaded rod and nut threaded connection, the threaded rod runs through the sixth through-hole.

The invention provides a financial report projection device for accounting economy, which has the following beneficial effects:

1. the accounting economy finance report projection device is connected with the first rotating block through the rotation between the first fixed sleeve, can effectively control the adjustment of the projection device in the horizontal direction, and through the threaded connection between the first movable sleeve and the first movable block, can the vertical direction's of effectual control projecting apparatus altitude mixture control, it is articulated through the activity between fly leaf and the first fixed block, the angle modulation of the vertical direction of effectual control projecting apparatus of ability, simple structure intercombination, the ascending angle modulation of each side of effectual control projecting apparatus of ability, thereby it leads to the projecting apparatus to produce the collision and makes the projecting apparatus receive the damage to move the projecting apparatus repeatedly when having avoided the manual regulation fuselage, also need not go to look for the article that fills up the end for height-adjusting, can effectual saving staff's time, the same simple manual regulation projecting apparatus angle, thereby the operation of having avoided the new hand unfamiliar with the projecting apparatus brings the trouble for the worker.

2. The accounting economy finance report projection device can effectively control the rotation between the first fixed sleeve and the first rotating block through the clamping connection of the first clamping block and the first tooth groove, meanwhile, the threaded connection between the first movable sleeve and the first movable block can be effectively controlled, the movable hinge between the movable plate and the first fixed block can be effectively controlled through the clamping connection between the rack plate and the second gear groove, the simple structures are combined with each other, the fixation of the projection device can be effectively controlled after the position of the projector on the curtain is adjusted and influenced, the first movable block is prevented from sliding towards the bottom of the first movable sleeve through the threaded connection under the action of gravity, meanwhile, the problem that the projection device is unstable in structure due to the action of gravity is solved by the combination of a simple fixing structure and the problem that the angle between the movable plate and the first fixing block is deviated due to the action of gravity is avoided.

3. This accounting economy finance report projection arrangement passes through first coil spring, first sliding block, the second coil spring, synergism between second fixture block and the third fixture block, can be effectual fixed between second lag of control and the fly leaf, through the fourth connecting block, the fixed plate, synergism between threaded rod and the nut, can be effectual with the base with place projection arrangement's desk or gallows on, simple structure intercombination, can effectually fix the projector on the fly leaf, thereby avoid the projector to take place to rock when adjusting projection arrangement on can not very stable will need the projected image curtain, simultaneously can effectually fix whole projection arrangement on corresponding desk or gallows, thereby avoid directly placing projection arrangement lack corresponding fixing device when on the gallows and lead to taking place danger when manual regulation.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an exploded view of the overall structure of the present invention;

FIG. 3 is a cross-sectional view of the overall construction of the present invention;

FIG. 4 is a schematic view of a second movable sleeve according to the present invention;

FIG. 5 is a schematic view of the surface structure of the movable plate of the present invention;

FIG. 6 is an exploded view of a first portable sleeve surface configuration of the present invention;

FIG. 7 is an exploded view of the surface structure of the movable plate of the present invention;

FIG. 8 is a schematic view of the surface structure of the second protective cover of the present invention;

FIG. 9 is an exploded view of the surface portion of the movable plate of the present invention;

FIG. 10 is an exploded view of the base surface structure of the present invention;

FIG. 11 is an enlarged view of portion A of FIG. 5 in accordance with the present invention;

FIG. 12 is an enlarged view of the portion B of FIG. 9 according to the present invention.

In the figure: 1. a base; 2. a first fixing sleeve; 3. a first sliding groove; 4. a first rotating block; 5. a first movable sleeve; 6. a first movable block; 7. a first through hole; 8. fixing the rod; 9. a first fixed block; 10. a first fixed shaft; 11. a second fixed block; 12. a movable plate; 13. a first groove; 14. a first connection block; 15. a second through hole; 16. a first protective cover; 17. a second protective cover; 18. a first slider; 19. a second sliding groove; 20. a third sliding groove; 21. a second connecting block; 22. a second movable sleeve; 23. a first clamping block; 24. a third through hole; 25. a first coil spring; 26. a first spring groove; 27. a second coil spring; 28. a second fixture block; 29. a fourth via hole; 30. a third fixture block; 31. a second groove; 32. a second spring groove; 33. a third coil spring; 34. a rack plate; 35. a second fixing sleeve; 36. a fifth through hole; 37. a fourth fixture block; 38. a second fixed shaft; 39. a third connecting block; 40. a second tooth slot; 41. a fourth connecting block; 42. a third groove; 43. a sixth through hole; 44. a fixing plate; 45. a threaded rod; 46. a nut; 47. a first tooth slot.

Detailed Description

The embodiment of the invention provides an accounting economy and finance report projection device, which comprises a base 1, wherein the top of the base 1 is fixedly connected with a first fixed sleeve 2, a first sliding groove 3 is formed in the first fixed sleeve 2, a first rotating block 4 is slidably connected in the first sliding groove 3, a first movable sleeve 5 is fixedly connected at the top of the first rotating block 4, a first movable block 6 is arranged in the first movable sleeve 5, the first movable block 6 is in threaded connection with the first movable sleeve 5, a first through hole 7 is formed in the first movable block 6, a fixed rod 8 is slidably connected in the first through hole 7, the cross sections of the fixed rod 8 and the first through hole 7 are square, the fixed rod 8 is attached to the first through hole 7, the rectangular fixed rod 8 can fix the first movable block 6, so that the first movable block 6 can only move up and down and cannot rotate, and the first movable block 6 is prevented from rotating along with the first movable sleeve 5 when rotating, so that the first movable block 6 cannot move up and down, the fixed rod 8 is fixedly connected with the first movable sleeve 5, the top of the first movable block 6 is fixedly connected with a first fixed block 9, both sides of the first fixed block 9 are fixedly connected with first fixed shafts 10, one ends of the two first fixed shafts 10, which are far away from the first fixed block 9, are fixedly connected with a second fixed block 11, the top of the first fixed block 9 is fixedly connected with a movable plate 12, the bottom of the movable plate 12 is provided with a first groove 13, the groove surface of the first groove 13 is arc-shaped and is the same as the arc surface of the top of the first fixed block 9, the first groove 13 is attached to the first fixed block 9, so that the movable plate 12 can rotate more conveniently with the first fixed block 9, both ends of the first groove 13 are fixedly connected with first connecting blocks 14, second through holes 15 are formed in the first connecting blocks 14, the second through holes 15 are movably sleeved with the first fixed shafts 10, the movable plate 12 is movably hinged, first lag 16 of fly leaf 12 top one side fixedly connected with, fly leaf 12 is kept away from first lag 16 one side and is equipped with second lag 17, and the equal fixedly connected with first sliding block 18 in second lag 17 bottom both ends, and second sliding tray 19, second sliding tray 19 and first sliding block 18 sliding connection have all been seted up at fly leaf 12 near second lag 17 one side both ends.

The two sides of the first fixing sleeve 2 are respectively provided with a third sliding groove 20, the inside of the third sliding groove 20 is connected with a second connecting block 21 in a sliding manner, one end of the second connecting block 21, which is far away from the first fixing sleeve 2, is fixedly connected with a second movable sleeve 22, the inside of the second movable sleeve 22 is provided with a first tooth space 47, the first tooth space 47 is positioned at the top of the inner wall of the second movable sleeve 22, the second connecting block 21 is positioned at the bottom of the inner wall of the second movable sleeve 22, the first tooth spaces 47 are connected with the first clamping blocks 23 in a clamping manner, and the sliding connection between the second connecting block 21 and the third sliding groove 20 enables the second movable sleeve 22 to effectively fix the first fixing sleeve 2 and the first movable sleeve 5, the number of the first tooth spaces 47 is multiple, the multiple first tooth spaces 47 are distributed in a circumferential array manner, the bottom of the outer side of the first movable sleeve 5 is fixedly connected with first clamping blocks 23, the number of the first clamping, the first clamping block 23 is clamped with the first tooth groove 47, the bottom of the first fixing block 9 is provided with a third through hole 24, the third through hole 24 is movably sleeved with the fixing rod 8, and the fixing rod 8 penetrates through the first movable block 6 and the first fixing block 9.

First sliding block 18 is close to first lag 16 one side fixedly connected with first coil spring 25, first coil spring 25 keeps away from first sliding block 18 one end and fly leaf 12 fixed connection, first spring groove 26 has been seted up to first sliding block 18 bottom near first coil spring 25 one side, the inside fixedly connected with second coil spring 27 of first spring groove 26, second coil spring 27 is close to fly leaf 12 one end fixedly connected with second fixture block 28, second fixture block 28 passes through second coil spring 27 and first spring groove 26 sliding connection, fourth through-hole 29 has all been seted up to fly leaf 12 bottom both sides, fourth through-hole 29 is linked together with second sliding tray 19, the inside sliding connection of fourth through-hole 29 has third fixture block 30, third fixture block 30 contacts but does not link to each other with second fixture block 28.

The middle parts of two sides of the movable plate 12 are respectively provided with a second groove 31, the bottom of the second groove 31 is provided with a second spring groove 32, the bottom of the second spring groove 32 is fixedly connected with a third coil spring 33, the first coil spring 25, the second coil spring 27 and the third coil spring 33 are all made of elastic metal sheets with wavy cross sections, the effect of connecting objects with a plurality of cuboids is better than that of a common spring, one end of the third coil spring 33 far away from the second spring groove 32 is fixedly connected with a rack plate 34, the rack plate 34 is in sliding connection with the second groove 31, the middle parts of two sides of the movable plate 12 are fixedly connected with second fixing sleeves 35, the bottom of the second fixing sleeves 35 is communicated with the second groove 31, the top of the second fixing sleeves 35 is provided with a fifth through hole 36, a fourth clamping block 37 is in sliding connection with the inside of the fifth through hole 36, the cross section of the middle part of the fourth clamping block, the fourth fixture block 37 slides downwards along the fifth through hole 36, when the top of the fourth fixture block 37 touches the top of the second fixing sleeve 35, the fourth fixture block 37 is rotated to effectively fix the fourth fixture block 37, so that the movable plate 12 and the first fixing block 9 are fixed to each other, the bottom of the fourth fixture block 37 is fixedly connected with a second fixing shaft 38, the outer side of the second fixing shaft 38 is rotatably connected with a third connecting block 39, the third connecting block 39 is fixedly connected with the rack plate 34, one end of the second fixing block 11, which is far away from the first fixing block 9, is provided with a plurality of second tooth grooves 40, the plurality of second tooth grooves 40 are distributed in a circumferential array manner, the second tooth grooves 40 are clamped with tooth blocks on the rack plate 34, the two ends of the base 1 are both fixedly connected with fourth connecting blocks 41, the bottom of the fourth connecting block 41 is provided with a third groove 42, the top of the fourth connecting block 41 is provided with a sixth through hole 43, the sixth through hole 43 is communicated with the third groove 42, a fixing plate 44 is arranged inside the third groove 42, a threaded rod 45 is fixedly connected to the top of the fixing plate 44, a nut 46 is arranged on the outer side of the threaded rod 45, the threaded rod 45 is in threaded connection with the nut 46, and the threaded rod 45 penetrates through the sixth through hole 43.

The implementation mode is specifically as follows: in the practical use process of the invention, a worker firstly places the projector on the movable plate 12 close to one side of the first protective sleeve 16 and abuts against the first protective sleeve 16, then the worker moves the second protective sleeve 17 towards the first protective sleeve 16, the first sliding block 18 moves towards the first protective sleeve 16 while the second protective sleeve 17 moves, when the first sliding block 18 moves to a certain position of the second sliding groove 19, the first spring groove 26 is communicated with the fourth through hole 29, the second coil spring 27 is not compressed any more, the second clamping block 28 is pushed towards the third clamping block 30, the second clamping block 28 moves to drive the third clamping block 30 to move in the fourth through hole 29 towards the direction far away from the second clamping block 28, the second clamping block 28 is clamped with the fourth through hole 29, the second protective sleeve 17 is fixed, and the projectors are fixed at the same time, the simple structures are combined with each other, can be effectual fix the projecting apparatus on fly leaf 12, thereby avoid when adjusting projection arrangement the projecting apparatus take place to rock and can not be very stable will need the projected image to project on the curtain, after the projecting apparatus is fixed, if place the gallows with the projecting apparatus on, the staff unscrews nut 46 from threaded rod 45, fixed plate 44 separates with fourth connecting block 41, then press from both sides the bottom of gallows between fixed plate 44 and fourth connecting block 41, twist and move nut 46, with reciprocal anchorage between base 1 and the gallows, thereby avoid directly placing projection arrangement and lack corresponding fixing device when on the gallows and lead to taking place danger when manual regulation, then adjust projection arrangement's angle, if projection arrangement places just direct adjustment projection arrangement's angle on the desktop.

After the projection device is fixed, a worker rotates the movable plate 12 in the horizontal direction, the movable plate 12 controls the rotating block to rotate through the fixed rod 8, the angle of the projection device in the horizontal direction is controlled through the rotating connection between the rotating block and the fixed sleeve, after the angle is adjusted, the worker rotates the first movable sleeve 5, the height of the projection device is controlled through the threaded connection between the first movable sleeve 5 and the first movable block 6, after the height of the projection device is adjusted, the worker moves the second movable sleeve 22 upwards, the first tooth groove 47 is clamped with the first clamping block 23, the second movable sleeve 22 fixes the first movable sleeve 5 and the first fixed sleeve 2, the situation that the adjusted angle is deviated due to the fact that the first movable block 6 slides downwards under the action of gravity is avoided, meanwhile, due to the threaded connection between the first movable block 6 and the first fixed sleeve 2, when the first movable block 6 moves downwards, the first movable block 6 can generate force in the horizontal direction to enable the first movable sleeve 5 to rotate, so that when the second movable sleeve 22 fixes the first movable sleeve 5 and the first fixed sleeve 2, the first clamping block 23 and the first tooth groove 47 have friction force, and the effect of the horizontal direction force generated by the first movable sleeve 5 is achieved, so that the friction force between the first clamping block 23 and the first tooth groove 47 is increased, and the second movable sleeve 22 is prevented from sliding downwards due to gravity.

After the horizontal angle and the height of the projection device are adjusted and fixed, a worker adjusts the angle between the movable plate 12 and the first fixed block 9 through the movable hinge between the movable plate 12 and the first fixed block 9, the worker moves the fourth fixture block 37 towards the rack plate 34 after the angle is adjusted, the rack plate 34 is clamped with the second gear groove 40, the movable plate 12 and the first fixed block 9 are fixed with each other through the clamping between the rack plate 34 and the second gear groove 40, after the fixing is completed, the worker rotates the fourth fixture block 37 through the rotary connection between the fourth fixture block 37 and the third connecting block 39, the fourth fixture block 37 is fixed with the second fixed sleeve 35, when the worker needs to adjust for the second time, only the fourth fixture block 37 needs to be rotated, the fourth fixture block 37 is separated from the second fixed sleeve 35, and simultaneously the third coil spring 33 recovers elasticity to eject the rack plate 34, rack board 34 and second tooth groove 40 block no longer, the staff can angle regulation once more, until with the accurate projection of the image of projecting apparatus on the curtain, simple structure intercombination, the ascending angle modulation of ability effectual control projecting apparatus all directions, thereby remove the projecting apparatus repeatedly when having avoided the manual regulation fuselage and lead to the projecting apparatus to produce the collision and make the projecting apparatus receive the damage, also need not go to look for the article that fills up the end in order to adjust the height, can effectual saving staff's time.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be appreciated by those skilled in the art that the economic and financial report projection apparatus is not limited by the embodiments described above, which are merely illustrative of the principles of the present invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. An accounting economy finance report projection arrangement, includes base (1), its characterized in that: the top of the base (1) is fixedly connected with a first fixing sleeve (2), a first sliding groove (3) is formed in the first fixing sleeve (2), a first rotating block (4) is connected in the first sliding groove (3) in a sliding manner, a first movable sleeve (5) is fixedly connected at the top of the first rotating block (4), a first movable block (6) is arranged in the first movable sleeve (5), the first movable block (6) is in threaded connection with the first movable sleeve (5), a first through hole (7) is formed in the first movable block (6), a fixing rod (8) is connected in the first through hole (7) in a sliding manner, the fixing rod (8) is fixedly connected with the first movable sleeve (5), a first fixing block (9) is fixedly connected at the top of the first movable block (6), a first fixing shaft (10) is fixedly connected at both sides of the first fixing block (9), one ends, far away from the first fixed blocks (9), of the two first fixed shafts (10) are fixedly connected with second fixed blocks (11), the top of each first fixed block (9) is fixedly connected with a movable plate (12), the bottom of each movable plate (12) is provided with a first groove (13), two ends of each first groove (13) are fixedly connected with first connecting blocks (14), a second through hole (15) is formed in each first connecting block (14), each second through hole (15) is movably sleeved with the corresponding first fixed shaft (10), each movable plate (12) is movably hinged with the corresponding first fixed block (9) through the corresponding first fixed shaft (10), one side, far away from the corresponding first protecting sleeve (16), of each movable plate (12) is provided with a first protecting sleeve (16), one side, far away from the corresponding first protecting sleeve (16), of the bottom of each second protecting sleeve (17) is fixedly connected with first sliding blocks (18), second sliding grooves (19) are formed in two ends of the movable plate (12) close to one side of the second protective sleeve (17), and the second sliding grooves (19) are connected with the first sliding blocks (18) in a sliding mode.

2. The financial accounting report projection apparatus of claim 1, wherein: third sliding groove (20) have all been seted up to first fixed cover (2) both sides, the inside sliding connection of third sliding groove (20) has second connecting block (21), first fixed cover (2) one end fixedly connected with second movable sleeve (22) are kept away from in second connecting block (21), first tooth's socket (47) have been seted up to second movable sleeve (22) inside, the quantity of first tooth's socket (47) is a plurality of, and is a plurality of first tooth's socket (47) are circumference array distribution, first movable sleeve (5) outside bottom fixedly connected with first fixture block (23), the quantity of first fixture block (23) sets up to a plurality ofly, and is a plurality of first fixture block (23) are circumference array distribution, first fixture block (23) and first tooth's socket (47) looks block.

3. The financial accounting report projection apparatus of claim 1, wherein: third through-hole (24) have been seted up to first fixed block (9) bottom, third through-hole (24) and dead lever (8) activity are cup jointed, dead lever (8) run through first movable block (6) and first fixed block (9).

4. The financial accounting report projection apparatus of claim 1, wherein: the first sliding block (18) is close to one side of the first protecting sleeve (16) and is fixedly connected with a first coil spring (25), one end, far away from the first sliding block (18), of the first coil spring (25) is fixedly connected with the movable plate (12), one side, close to the first coil spring (25), of the bottom of the first sliding block (18) is provided with a first spring groove (26), a second coil spring (27) is fixedly connected inside the first spring groove (26), one end, close to the movable plate (12), of the second coil spring (27) is fixedly connected with a second clamping block (28), and the second clamping block (28) is slidably connected with the first spring groove (26) through the second coil spring (27).

5. The financial accounting report projection apparatus of claim 1, wherein: fourth through holes (29) are formed in two sides of the bottom of the movable plate (12), the fourth through holes (29) are communicated with the second sliding groove (19), third clamping blocks (30) are connected inside the fourth through holes (29) in a sliding mode, and the third clamping blocks (30) are in contact with the second clamping blocks (28) but are not connected with the second clamping blocks.

6. The financial accounting report projection apparatus of claim 1, wherein: second recess (31) have all been seted up in fly leaf (12) both sides middle part, second spring groove (32) have been seted up to second recess (31) bottom, second spring groove (32) bottom fixedly connected with third coil spring (33), second spring groove (32) one end fixedly connected with rack plate (34) is kept away from in third coil spring (33), rack plate (34) and second recess (31) sliding connection.

7. The financial accounting report projection apparatus of claim 1, wherein: fixed cover (35) of fly leaf (12) both sides middle part fixedly connected with second, the fixed cover (35) bottom of second is linked together with second recess (31), fifth through-hole (36) have been seted up at the fixed cover (35) top of second, the inside sliding connection of fifth through-hole (36) has fourth fixture block (37), fourth fixture block (37) bottom fixedly connected with second fixed axle (38), second fixed axle (38) outside is rotated and is connected with third connecting block (39), third connecting block (39) and rack plate (34) fixed connection.

8. The financial accounting report projection apparatus of claim 1, wherein: second tooth's socket (40) have been seted up to first fixed block (9) one end is kept away from in second fixed block (11), the quantity of second tooth's socket (40) sets up to a plurality ofly, and is a plurality of second tooth's socket (40) are circumference array distribution, tooth piece looks block on second tooth's socket (40) and rack plate (34).

9. The financial accounting report projection apparatus of claim 1, wherein: base (1) the equal fixedly connected with fourth connecting block (41) in both ends, third recess (42) have been seted up to fourth connecting block (41) bottom, sixth through-hole (43) have been seted up at fourth connecting block (41) top, sixth through-hole (43) are linked together with third recess (42), third recess (42) inside is equipped with fixed plate (44), fixed plate (44) top fixedly connected with threaded rod (45), threaded rod (45) outside is equipped with nut (46), threaded rod (45) and nut (46) threaded connection, sixth through-hole (43) are run through in threaded rod (45).