CN219339066U

CN219339066U - Extension type drawing blackboard

Info

Publication number: CN219339066U
Application number: CN202222525905.3U
Authority: CN
Inventors: 吕婧
Original assignee: Zhengzhou Institute of Finance and Economics
Current assignee: Zhengzhou Institute of Finance and Economics
Priority date: 2022-09-23
Filing date: 2022-09-23
Publication date: 2023-07-14
Anticipated expiration: 2032-09-23

Abstract

The utility model discloses an extending type drawing blackboard, which relates to the technical field of data budget, and aims to solve the problems that the blackboard is easy to collide and damage due to incapability of accommodating the blackboard, has poor protection effect, large occupied space, limited recording quantity and low practicability due to incapability of extending, and the utility model provides the scheme. The utility model can store the blackboard, reduce the occupied space, avoid damage caused by collision when the blackboard is idle, improve the protection effect, extend the blackboard, improve the recording area of the blackboard, further increase the recording quantity of the blackboard and improve the practicability.

Description

Extension type drawing blackboard

Technical Field

The utility model relates to the technical field of data budget, in particular to an extension drawing blackboard.

Background

In employment and creation, it is necessary to count the costs incurred during and immediately after the period, and then calculate on a budget sheet, typically a paper budget sheet or draw on a blackboard.

Based on the existing drawing blackboard for budget, when in use, the following problems exist:

1. when the existing blackboard is used, the blackboard cannot be stored, so that the blackboard is easy to collide and damage, the protection effect is poor, and the occupied space is large;

2. when the conventional drawing blackboard is used, the drawing blackboard cannot be stretched, so that the number of records of the blackboard is limited, and the practicability is low.

Disclosure of Invention

The utility model provides an extension type drawing blackboard, which solves the problems of limited record quantity and low practicability of the blackboard caused by the fact that the blackboard is easy to be damaged due to collision and the like caused by the fact that the blackboard cannot be stored in the prior art, and has poor protection effect and large occupied space.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a blackboard is drawn to extension, includes the protective housing, be equipped with the fixed plate in the protective housing, and be equipped with elevating system on the protective housing bottom inner wall, elevating system includes servo motor, rotation axis, screw rod and fixed block, the protective housing top is equipped with main blackboard, main blackboard includes mounting panel, two fixed frames and two drawing blackboards, two be equipped with two extension blackboards between the fixed frame, extension blackboard includes extension frame and two extension panels.

Preferably, the four corners outer wall of protective housing bottom all has set firmly the slipmat, open has the opening on the outer wall of protective housing one side, and articulates there are two chamber doors on open-ended one side inner wall.

Through above-mentioned scheme, be convenient for overhaul the inside electrical components of protective housing.

Preferably, both ends of the fixing plate are welded on the inner walls of the lower parts of both sides of the protective box respectively, and through holes are formed in the outer walls of both ends of the top of the fixing plate.

Through above-mentioned scheme, when accomodating the blackboard, the fixed plate is used for supporting the blackboard.

Preferably, the servo motor is connected to the inner wall of the bottom of the protection box through bolts, a driving bevel gear is connected to the outer wall of one end of an output shaft of the servo motor through splines, the rotating shaft is connected to the inner wall of the bottom of the protection box and the through holes through bearings respectively, a driven bevel gear is fixedly arranged on the outer wall of the lower portion of the rotating shaft, the driven bevel gear and the driving bevel gear are meshed with each other to form transmission fit, the screw is welded to the outer wall of the top of the rotating shaft, the top of the screw is connected to the inner wall of the top of the protection box through bearings, the fixing block is connected to the outer wall of the screw through a screw, and the fixing block and the protection box form sliding fit.

Through above-mentioned scheme, drive the screw rod through servo motor and rotate, drive the fixed block and remove, and then drive the blackboard and go up and down, can accomodate the blackboard.

Preferably, the mounting panel welds on the outer wall of two fixed block tops, and two fixed frames pass through bolted connection respectively on the outer wall of both sides at mounting panel top, two draw the blackboard respectively through bolted connection on the outer wall of one side of two fixed frames, fixed frame top is equipped with the roof, and the roof passes through bolted connection respectively on the outer wall of two fixed frame tops.

Through the scheme, the two drawing blackboards are arranged, so that the drawing and statistics of the budget table can be carried out on the two drawing blackboards.

Preferably, the bottom of the extension frame is lapped on the outer wall of the top of the mounting plate, and the extension frame forms sliding fit with the mounting plate and the two fixing frames respectively, the two drawing panels are connected on the outer walls of two sides of the extension frame respectively through bolts, fixing columns are welded on the outer wall of one end of the bottom of the extension panel, two channels are formed on the outer wall of the bottom of the mounting plate, and the fixing columns are slidably mounted in the channels.

Through the scheme, the extension blackboard can be pulled, so that the extension panel can be used as the extension of the drawing blackboard, and the record quantity of the blackboard is increased.

The beneficial effects of the utility model are as follows:

1. be provided with two elevating system, start two servo motor, servo motor output shaft rotates and drives the initiative bevel gear and rotate, and then drives driven bevel gear, rotation axis and screw rod and rotate, and the screw rod drives the fixed block and reciprocates, and then adjusts the position of blackboard, can accomodate the blackboard, reduces occupation space, avoids the blackboard to receive the collision when idle and leads to impaired, has improved the protection effect.

2. Be provided with main blackboard and two extension blackboards, be provided with two on the main blackboard and draw the blackboard, two extension blackboards simultaneously can stimulate for four extension panels can be as two extension of drawing the blackboard, can extend, improve the record area of blackboard, and then increase the record quantity of blackboard, improved the practicality.

In summary, the blackboard can be stored, the occupied space is reduced, damage caused by collision of the blackboard when the blackboard is idle is avoided, the protection effect is improved, the blackboard can be stretched, the recording area of the blackboard is increased, the recording quantity of the blackboard is increased, and the practicability is improved.

Drawings

Fig. 1 is a schematic diagram of a front view structure of an extension drawing blackboard according to the present utility model.

Fig. 2 is a schematic diagram of the internal structure of a protection box of the stretching type drawing blackboard provided by the utility model.

Fig. 3 is a schematic structural diagram of a lifting mechanism for an extension drawing blackboard according to the present utility model.

Fig. 4 is a schematic diagram of a main blackboard structure of an extension drawing blackboard according to the present utility model.

Fig. 5 is a schematic diagram of an extended blackboard structure of an extended drawing blackboard according to the present utility model.

Fig. 6 is a schematic structural diagram of an extension blackboard of the extension drawing blackboard according to the present utility model when the extension blackboard is extended.

In the figure: 1. a protective box; 2. a door; 3. a fixing plate; 4. a lifting mechanism; 401. a servo motor; 402. a drive bevel gear; 403. a rotation shaft; 404. a driven bevel gear; 405. a screw; 406. a fixed block; 5. a main blackboard; 501. a mounting plate; 502. a fixed frame; 503. drawing a blackboard; 504. a top plate; 6. extending the blackboard; 601. an extension frame; 602. an extension panel; 603. and fixing the column.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Embodiment 1, refer to fig. 1-3 and 6, a blackboard is drawn to stretching, including protection box 1, fixed plate 3 and two elevating system 4, all set firmly the slipmat on the four corners outer wall of protection box 1 bottom, it has the opening to open on the outer wall on one side of protection box 1, and articulates on the inner wall on one side of open-ended has two chamber doors 2, fixed plate 3 both ends weld respectively on the lower part inner wall of protection box 1 both sides, and all open on the outer wall at the both ends at fixed plate 3 top, elevating system 4 includes servo motor 401, rotation axis 403, screw 405 and fixed block 406, servo motor 401 has initiative bevel gear 402 through bolted connection on the inner wall of protection box 1 bottom through the spline connection on the outer wall of servo motor 401 output shaft one end, rotation axis 403 has driven bevel gear 404 through bearing connection on the inner wall of protection box 1 bottom and in the through-hole respectively, and driven

bevel gear

404 and 402 intermeshing form drive fit, screw 405 welds on the outer wall on the lower part of rotation axis 403 top, and screw 405 top is connected on protection box 1 inner wall through the bearing 406, screw 405 top, screw 405 and fixed block 406 are driven to the fixed block through the screw 406, and the fixed block is driven to move and carry out the blackboard, can be fixed and take in the blackboard.

Embodiment 2, refer to fig. 1-2 and fig. 4-6, an extended drawing blackboard, still include main blackboard 5 and two extension blackboards 6, main blackboard 5 includes mounting panel 501, two fixed frames 502 and two drawing blackboards 503, mounting panel 501 welds on the outer wall at two fixed block 406 tops, and two fixed frames 502 pass through bolted connection respectively on the both sides outer wall at mounting panel 501 top, two drawing blackboards 503 pass through bolted connection respectively on two fixed frame 502 one side outer walls, fixed frame 502 top is equipped with roof 504, and roof 504 passes through bolted connection respectively on two fixed frame 502 top outer walls for the drawing blackboards of budget table all can be carried out on both sides, extension blackboards 6 includes extension frame 601 and two extension panels 602, extension frame 601 bottom overlap joint is on mounting panel 501 top outer wall, and extension frame 601 forms sliding fit with mounting panel 501 and two fixed frames 502 respectively on extension frame 601 both sides outer wall, extension panel 602 bottom one end outer wall has 603, and two extension panels are equipped with the fixed column that can extend on the fixed column, and extend the extension channel is described as extending blackboard, can extend the number of the extension blackboard.

Working principle: starting two servo motors 401, servo motor 401 output shaft rotates and drives initiative bevel gear 402 and rotate, and then drives driven bevel gear 404, rotation axis 403 and screw rod 405 and rotate, and screw rod 405 drives fixed block 406 and reciprocates, and then adjusts the position of blackboard, and the blackboard can draw and count when protective housing 1 top, and the blackboard can protect the blackboard when protective housing 1, pulls two extension frames 601, and fixed column 603 moves along the passageway, and then makes extension frame 601 remove along mounting panel 501, and then makes extension panel 602 expose and draw.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The extensible drawing blackboard comprises a protective box (1) and is characterized in that a fixed plate (3) is arranged in the protective box (1), a lifting mechanism (4) is arranged on the inner wall of the bottom of the protective box (1), and the lifting mechanism (4) comprises a servo motor (401), a rotating shaft (403), a screw (405) and a fixed block (406);

a main blackboard (5) is arranged above the protective box (1), and the main blackboard (5) comprises a mounting plate (501), two fixing frames (502) and two drawing blackboards (503);

two extending blackboards (6) are arranged between the two fixing frames (502), and each extending blackboard (6) comprises an extending frame (601) and two extending panels (602).

2. The stretching type drawing blackboard according to claim 1, wherein the four corner outer walls of the bottom of the protective box (1) are fixedly provided with anti-slip pads, an opening is formed in one side outer wall of the protective box (1), and two box doors (2) are hinged to one side inner wall of the opening.

3. The extension drawing blackboard according to claim 1, wherein two ends of the fixing plate (3) are welded to inner walls of lower portions of two sides of the protective box (1), and through holes are formed in outer walls of two ends of the top of the fixing plate (3).

4. An extension type drawing blackboard according to claim 3, characterized in that the servo motor (401) is connected to the inner wall of the bottom of the protective box (1) through bolts, a driving bevel gear (402) is connected to the outer wall of one end of the output shaft of the servo motor (401) through splines, the rotating shaft (403) is connected to the inner wall of the bottom of the protective box (1) and in the through holes through bearings respectively, a driven bevel gear (404) is fixedly arranged on the outer wall of the lower portion of the rotating shaft (403), the driven bevel gear (404) and the driving bevel gear (402) are meshed with each other to form a transmission fit, the screw (405) is welded to the outer wall of the top end of the rotating shaft (403), the top end of the screw (405) is connected to the inner wall of the top of the protective box (1) through bearings, the fixing block (406) is connected to the outer wall of the screw (405) through bearings, and the fixing block (406) and the protective box (1) form a sliding fit.

5. The stretching type drawing blackboard according to claim 1, wherein the mounting plate (501) is welded on the top outer walls of the two fixing blocks (406), the two fixing frames (502) are respectively connected on the two side outer walls of the top of the mounting plate (501) through bolts, the two drawing blackboards (503) are respectively connected on one side outer wall of the two fixing frames (502) through bolts, a top plate (504) is arranged above the fixing frames (502), and the top plate (504) is respectively connected on the top outer walls of the two fixing frames (502) through bolts.

6. The stretching type drawing blackboard according to claim 1, wherein the bottom of the stretching frame (601) is lapped on the top outer wall of the mounting plate (501), the stretching frame (601) forms sliding fit with the mounting plate (501) and the two fixing frames (502) respectively, the two stretching panels (602) are connected to the two outer walls of the stretching frame (601) respectively through bolts, fixing columns (603) are welded on the outer wall of one end of the bottom of the stretching panel (602), two channels are formed on the outer wall of the bottom of the mounting plate (501), and the fixing columns (603) are slidably mounted in the channels.