CN215532538U - Portable engineering drawing device - Google Patents
Portable engineering drawing device Download PDFInfo
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- CN215532538U CN215532538U CN202121437743.7U CN202121437743U CN215532538U CN 215532538 U CN215532538 U CN 215532538U CN 202121437743 U CN202121437743 U CN 202121437743U CN 215532538 U CN215532538 U CN 215532538U
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- drawing board
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- portable engineering
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Abstract
A portable engineering drawing device effectively solves the problems that the existing drawing board occupies a large space and is inconvenient for angle adjustment; the paper fixing device comprises a rectangular drawing board, a concave-shaped base is arranged below the drawing board, a drawing box in the front-back direction is connected in the base in a sliding mode, paper fixing mechanisms are connected to the left side and the right side of the drawing board in a rotating mode respectively, short rods swinging back and forth are hinged to the left side and the right side of the back face of the drawing board close to the front end respectively, long rods swinging back and forth are hinged to the left side and the right side of the back face of the drawing board close to the rear end respectively, the short rods and the long rods on the same side are parallel and located in the same plane, a support rod is hinged to the middle position of the inner side of each long rod, protruding blocks located between the short rods and the long rods are arranged on the left side and the right side of the base respectively, a T-shaped sliding groove with the outward opening is formed in the front-back direction and is formed in each protruding block, a sliding block located in the T-shaped sliding groove is connected to the lower end of the inner side of each support rod in a rotating mode, and a locking bolt is connected to the sliding block in a threaded mode; the structure is simple, the operation is convenient, the conception is novel, and the practicability is strong.
Description
Technical Field
The utility model relates to the technical field of drawing boards, in particular to a portable engineering drawing device.
Background
For students and some designers who study engineering drawing, drawing board packing paper is needed to be used for drawing, a traditional drawing board is generally matched with a support frame to be used, but the conventional support frame is generally large in size, heavy in weight and inconvenient to carry, and sometimes when drawing is carried out in an office, because the office has more tables and limited space, the drawing is inconvenient to use, and when the drawing board is directly laid on the table for drawing, a drawing person is not good in posture and easy to fatigue; meanwhile, when the drawing table is used, various drawing pens and various drawing tools are required to be inconvenient to place on the table top, and the drawing table is often easy to drop or inconvenient to take.
SUMMERY OF THE UTILITY MODEL
In view of the above situation, in order to overcome the defects of the prior art, the present invention provides a portable engineering drawing device, which effectively solves the problems of large occupied space and inconvenient angle adjustment of the existing drawing board.
The technical scheme includes that the drawing board comprises a rectangular drawing board, a concave-shaped base is arranged below the drawing board, a drawing box in the front-back direction is connected in the base in a sliding mode, paper fixing mechanisms are connected to the left side and the right side of the drawing board respectively in a rotating mode, short rods swinging back and forth are hinged to the left side and the right side of the back of the drawing board close to the front end respectively, long rods swinging back and forth are hinged to the left side and the right side of the back of the drawing board close to the rear end respectively, the short rods and the long rods on the same side are parallel and located in the same plane, supporting rods are hinged to the middle positions of the inner sides of the long rods, protruding blocks located between the short rods and the long rods are arranged on the left side and the right side of the base respectively, a T-shaped sliding groove with the outward opening in the front-back direction is formed in the protruding blocks, a sliding block located in the T-shaped sliding groove is connected to the lower end of the inner side of each supporting rod in a rotating mode, and locking bolts are connected to the sliding blocks in a threaded mode.
Compared with the prior art, the utility model has the beneficial effects that: the drawing board and the base are separated, so that the drawing box can be accommodated in the base plate and used for storing various drawing tools, the drawing tools can be conveniently stored, the size is reduced when the drawing board and the base are combined, the occupied area is saved, the drawing box is convenient to carry and store, meanwhile, the drawing tools are limited, the drawing tools are prevented from being lost, the drawing board is lifted upwards and backwards by the linkage of the short rods and the long rods, the angle of the drawing board can be adjusted, a drawing worker can find a proper use angle, and the working fatigue degree is reduced; the pressing plate and the arc-shaped elastic sheet are utilized to fix the drawing more conveniently, and the drawing efficiency is improved; the structure is simple, the operation is convenient, the conception is novel, and the practicability is strong.
Drawings
Fig. 1 is a front perspective view of the drawer of the present invention after being withdrawn.
Fig. 2 is a side view of the sketchpad of the present invention when opened.
Fig. 3 is a bottom perspective view of the present invention with the base and drawer removed.
Fig. 4 is a front perspective view of the combined drawing board and base of the present invention.
Fig. 5 is an enlarged view of a in fig. 2 of the present invention.
Fig. 6 is an enlarged view of B of fig. 3 according to the present invention.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
By figure 1 to 6, including rectangular drawing board 1, drawing board 1 below is equipped with base 2 of character cut in bas-relief, sliding connection has fore-and-aft direction's pull box 3 in base 2, the left and right sides rotates respectively on drawing board 1 and is connected with paper fixed establishment, drawing board 1 back is close to the left and right sides punishment of front end and hinges respectively has swing-back quarter butt 4, drawing board 1 back is close to the left and right sides punishment of rear end and hinges respectively has swing-back stock 5, quarter butt 4 and the stock 5 parallel of homonymy and lie in the coplanar, 5 inboard positions department between two parties of stock articulates has vaulting pole 6, the base 2 left and right sides is equipped with the lug 7 that lies in between quarter butt 4 and the stock 5 respectively, set up fore-and-aft direction and opening T shape spout 8 outwards on the lug 7, the inboard lower extreme of vaulting pole 6 rotates and is connected with the slider 18 that lies in T shape spout 8, threaded connection has locking bolt 9 on the slider 18.
In order to fix the drawing conveniently, prevent that the drawing from sliding on drawing board 1 of slope, paper fixed establishment including rotate the clamp plate 10 of connecting the side on drawing board 1, the downside of clamp plate 10 is equipped with downward bellied arc shell fragment 11, the blend stop 12 of direction about drawing board 1 front end is equipped with.
In order to facilitate the classified storage of drawing tools, a partition plate 13 for dividing the drawing box 3 is arranged in the drawing box.
In order to take out the drawing box 3 conveniently, the front end of the drawing box 3 is provided with a drawing groove 14 with an upward opening.
In order to open and close the drawing board 1 conveniently and to enable the device to be portable, a handle 15 is arranged at the rear end of the drawing board 1.
In order to ensure that the drawing box 3 can be limited in the base 2 when the drawing board 1 is closed, the lower end of the drawing board 1 is provided with a retainer ring 16 which is positioned outside the base 2 and along the outline of the base.
In order to mark the size in the process of drawing assistance, the left side and the right side of the upper end of the drawing board 1 are respectively provided with scales 17 distributed along the side edges of the drawing board.
When the drawing board is used, firstly, the drawing board 1 needs to be opened, the drawing board 1 is pulled upwards from a handle 15 at the rear end, the sliding block 18 slides from front to back in the T-shaped sliding groove 8, the short rod 4 and the long rod 5 respectively rotate towards the upper part of the base 2 along the hinged part with the base 2, meanwhile, the short rod 4 and the long rod 5 respectively rotate along the hinged parts with the drawing board 1, so that the rear end of the whole drawing board 1 is lifted upwards and integrally moves upwards and backwards, and when the angle and the height of the drawing board 1 are adjusted to proper positions, the locking bolt 9 is manually rotated, the locking bolt 9 slides towards the sliding block 18, the sliding block 18 is extruded in the T-shaped sliding groove 8, the displacement of the sliding block 18 is limited, and the current angle fixing effect of the drawing board 1 is realized; it should be noted that the lifting angle of the drawing board 1 is limited by the sliding displacement of the sliding block 18 along the T-shaped sliding groove 8, and the adjustable angle range between the drawing board 1 and the bottom plate is 0-20 degrees on the premise of ensuring that the drawing board 1 is convenient to open and close;
when the drawing box 3 needs to be pulled out, firstly, the lowest end of the drawing board 1 is ensured to be higher than the base 2, at the moment, the drawing box 3 positioned in the base 2 is separated from the limit of the retainer ring 16, the drawing groove 14 is pulled to move forwards, so that the drawing box 3 can slide forwards along the inside of the base 2, various drawing tools can be placed in the drawing box 3, the inside of the drawing box 3 is divided into a plurality of cavities by the partition plate 13, and various different tools can be classified and stored;
when needs are fixed to the drawing, at first with the outside rotation of clamp plate 10 of drawing board 1 both sides, the drawing tiling is in the drawing board 1 of slope back, rotate both sides clamp plate 10 again and get back to on drawing board 1 to can be according to actual conditions, the position that arc shell fragment 11 of its downside is located the drawing is adjusted to rotary press plate 10, avoid clamp plate 10 to shelter from certain position department on the drawing all the time, the left and right sides is equipped with the scale 17 of arranging along the side on drawing board 1, mark when conveniently drawing.
The T-shaped sliding groove 8 penetrates through the front end face of the convex block 7, so that the sliding block 18 is convenient to assemble, and the requirement of a production process is reduced.
Compared with the prior art, the utility model has the beneficial effects that: the drawing board and the base are separated, so that the drawing box can be accommodated in the base plate and used for storing various drawing tools, the drawing tools can be conveniently stored, the size is reduced when the drawing board and the base are combined, the occupied area is saved, the drawing box is convenient to carry and store, meanwhile, the drawing tools are limited, the drawing tools are prevented from being lost, the drawing board is lifted upwards and backwards by the linkage of the short rods and the long rods, the angle of the drawing board can be adjusted, a drawing worker can find a proper use angle, and the working fatigue degree is reduced; the pressing plate and the arc-shaped elastic sheet are utilized to fix the drawing more conveniently, and the drawing efficiency is improved; the structure is simple, the operation is convenient, the conception is novel, and the practicability is strong.
Claims (7)
1. A portable engineering drawing device comprises a rectangular drawing board (1), and is characterized in that a concave base (2) is arranged below the drawing board (1), a pull box (3) in the front-back direction is connected in the base (2) in a sliding manner, paper fixing mechanisms are respectively connected on the left side and the right side of the drawing board (1) in a rotating manner, short rods (4) swinging back and forth are respectively hinged on the left side and the right side of the back surface of the drawing board (1) close to the front end, long rods (5) swinging back and forth are respectively hinged on the left side and the right side of the back surface of the drawing board (1), the short rods (4) and the long rods (5) on the same side are parallel and positioned in the same plane, a support rod (6) is hinged on the middle position of the inner side of the long rod (5), convex blocks (7) positioned between the short rods (4) and the long rods (5) are respectively arranged on the left side and the right side of the base (2), a T-shaped sliding chute (8) with an outward opening in the front-back direction is arranged on the convex blocks (7), the lower end of the inner side of the support rod (6) is rotatably connected with a sliding block (18) positioned in the T-shaped sliding groove (8), and the sliding block (18) is in threaded connection with a locking bolt (9).
2. The portable engineering drawing device according to claim 1, wherein the paper fixing mechanism comprises a pressing plate (10) rotatably connected to the upper side of the drawing board (1), the lower side of the pressing plate (10) is provided with an arc-shaped elastic sheet (11) protruding downwards, and the front end of the drawing board (1) is provided with a left-right barrier strip (12).
3. A portable engineering drafting device according to claim 1, characterized in that the inner part of the drawing box (3) is provided with a partition plate (13) for dividing the drawing box.
4. The portable engineering drawing device according to claim 1, wherein the front end of the drawing box (3) is provided with a drawing groove (14) with an upward opening.
5. A portable engineering drawing device according to claim 1, characterized in that the rear end of the drawing board (1) is provided with a handle (15).
6. A portable engineering drawing device according to claim 1, characterized in that the lower end of the drawing board (1) is provided with a retaining ring (16) which is located outside the base (2) and follows the contour thereof.
7. The portable engineering drawing device according to claim 1, wherein the left side and the right side of the upper end of the drawing board (1) are respectively provided with scales (17) arranged along the side edges of the drawing board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121437743.7U CN215532538U (en) | 2021-06-28 | 2021-06-28 | Portable engineering drawing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121437743.7U CN215532538U (en) | 2021-06-28 | 2021-06-28 | Portable engineering drawing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215532538U true CN215532538U (en) | 2022-01-18 |
Family
ID=79821092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121437743.7U Active CN215532538U (en) | 2021-06-28 | 2021-06-28 | Portable engineering drawing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215532538U (en) |
-
2021
- 2021-06-28 CN CN202121437743.7U patent/CN215532538U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |