CN115071311A

CN115071311A - Architectural design drawing appurtenance

Info

Publication number: CN115071311A
Application number: CN202210732661.8A
Authority: CN
Inventors: 不公告发明人
Original assignee: Chongqing College of Electronic Engineering
Current assignee: Chongqing College of Electronic Engineering
Priority date: 2021-05-31
Filing date: 2021-05-31
Publication date: 2022-09-20
Also published as: CN113147239B; CN113147239A

Abstract

The invention provides an auxiliary drawing tool for architectural design, which comprises an installation shell; four corners of the bottom of the mounting shell are fixedly connected with anti-skid mounting feet; the top of the mounting shell is fixedly connected with a sliding device, and the sliding device is fixedly connected with an auxiliary drawing device; a scroll mounting box is fixedly connected to the side surface of the mounting shell, and a scroll device is connected to a rotating shaft in the scroll mounting box; two groups of rotary limiting devices are fixedly connected to the reel device; installation casing top fixedly connected with backup device of drawing has set up the backup device of drawing, adopts the mode that drawing seal paper and sealing film laminated mutually, and sealing film can the effectual sealed effect of the backup drawing of assurance, will come the drawing of drawing to duplicate through drawing seal paper, prevents that the first draft damage from losing and water base, and the problem that leads to doing over again and reducing building construction work efficiency is not in time backed up.

Description

Architectural design drawing appurtenance

Technical Field

The invention belongs to the technical field of architectural drawing, and particularly relates to a special drawing auxiliary tool applied to architectural design.

Background

The building design means that before the building is built, a designer makes a general idea of problems existing or possibly occurring in the construction process and the use process according to the construction task, plans a method and a scheme for solving the problems and expresses the problems by using drawing paper and documents. As a common basis for the material preparation, the construction organization work and the mutual cooperation of various works in the manufacturing and construction work, the architectural drawing serves for architectural design, so that design drawings with different contents are drawn at different stages of the architectural design, and a special drawing auxiliary tool for the architectural design is needed in the actual drawing work.

For example, application No.: CN202011368734.7 relates to a multifunctional drawing tool for construction engineering and mathematics, including base, decide bevel gear, support frame, decide handle, go up tight bolt, left bevel gear, slip pivot, big bevel gear, supporting seat, activity handle, mounting bracket, carriage, mapping part, the base top is fixed with a horizontal decides bevel gear, a vertical support frame is installed through axial bearing in the base top, the support frame bottom left end is fixed with a horizontal and decides the handle. The invention has the functions of drawing ellipses, circles and parabolas, thereby overcoming the defects of the traditional mathematics teaching aid, facilitating the drawing of teachers, ensuring the drawing quality, facilitating the understanding of students, ensuring the water-based pen to be always in good contact with the drawing surface by using the spring, ensuring the clarity and regularity of drawing, and drawing circles and ellipses with different sizes by using the sliding frame and the sliding rod which can be adjusted left and right, thereby enhancing the applicability of the teaching aid.

Based on prior art discovery, current architectural design's special drawing appurtenance exists, the drawing of building often can outdoor actual measuring tape scene be drawn, it draws the backup instrument to set up convenient effectual drawing assistance, the drawing can't carry out real-time drawing backup, the drawing damages to lose and will cause rework and influence engineering time simultaneously, do not set up sealed protection device, the drawing is very easily damaged, drawing auxiliary device is too complicated, it is not nimble enough, do not set up simple swift supplementary drawing device, guarantee the accuracy nature of drawing work simultaneously, do not set up drawing placer, be not convenient for replace when the drawing can't be fixed firm.

Disclosure of Invention

In order to solve the technical problems, the invention provides an auxiliary tool for architectural design drawing, which aims to solve the problems that the outdoor actual measuring scale is often drawn on site during architectural drawing, a convenient and effective auxiliary backup tool for drawing is not arranged, the drawing cannot be drawn and backed up in real time, reworking is caused and the construction time is influenced when the drawing is damaged and lost, a sealing protection device is not arranged, the drawing is extremely easy to damage, the auxiliary drawing device is too complex and inflexible, a simple and quick auxiliary drawing device is not arranged, the accuracy of drawing work is ensured, and a drawing placing device is not arranged.

The invention relates to an auxiliary tool for architectural design drawing, which is achieved by the following specific technical means:

an architectural design drawing aid comprising a mounting housing; four corners of the bottom of the mounting shell are fixedly connected with anti-skid mounting feet; the top of the mounting shell is fixedly connected with a sliding device, and the sliding device is fixedly connected with an auxiliary drawing device; a scroll mounting box is fixedly connected to the side surface of the mounting shell, and a scroll device is connected to a rotating shaft in the scroll mounting box; two groups of rotary limiting devices are fixedly connected to the reel device; the top of the mounting shell is fixedly connected with a drawing backup device, and the side surface of the drawing backup device is fixedly connected with a scroll mounting box; the scroll device is fixedly connected with a picture clamping device; the top of the mounting shell is fixedly connected with four groups of drawing fixing devices; the reel device is fixedly connected with a handle positioning line; a scroll positioning line is fixedly connected to the side surface of the scroll mounting box; pulling rails are fixedly connected to two sides inside the mounting shell, and drawing storage boxes are fixedly connected to the two pulling rails; the outside fixedly connected with sealing door of case is deposited to drawing.

Further, the auxiliary drawing device includes: the sliding device comprises a drawing ruler, drawing scale lines, an annular angle instrument, a fixed knob and a rotating ring, wherein the rotating ring is connected to the top of the sliding device in a rotating shaft mode, and the drawing ruler is fixedly connected to the rotating ring; the fixed knob penetrates through the rotating ring and is in threaded rotary connection with the top of the sliding device; the drawing ruler is fixedly connected with drawing scale marks; the drawing rule is fixedly connected with an annular angle instrument.

Further, the sliding device includes; the mounting shell is fixedly connected with the sliding rail, and the sliding rail is connected with the movable sliding block in a sliding manner; the top of the movable sliding block is fixedly connected with a rotary connecting disc, and an angle pointer is fixedly connected to the rotary connecting disc.

Further, the spool device includes: the paper winding device comprises a scroll rotating handle, a paper rotating shaft, a drawing limiting plate and a scroll connecting shaft, wherein the scroll connecting shaft is rotatably sleeved on the scroll mounting box, and the drawing limiting plate is fixedly connected to the side surface of the scroll connecting shaft; the paper rotating shaft is fixedly connected to the side face of the drawing limiting plate, and the reel rotating handle is fixedly connected to the side face of the paper rotating shaft; the reel rotating handle rotating sleeve is rotatably sleeved on the reel mounting box and is provided with a reel connecting shaft, and the side face of the reel connecting shaft is fixedly connected with the outer side of a drawing.

Further, the drawing backup apparatus includes: the top of the mounting shell is fixedly connected with the drawing sliding plate, and the drawing sliding plate is fixedly connected with the sealing film in a sealing manner; the inner side of the sealing film is fixedly connected with drawing printing paper; the front side of the drawing sliding plate is designed into an arc-shaped structure, and the front end of the drawing sliding plate is in sealed, seamless, fitting and fixed connection with the scroll mounting box; the sealing film is connected with the scroll mounting box in a sealing mode.

Further, the rotation limiting device comprises: the reel device comprises a limiting ball head, a limiting spring, two limiting mounting grooves and a limiting hole, wherein the two limiting mounting grooves are fixedly connected to the reel device and have the same structure; the limiting mounting groove is connected with a limiting ball head in a sliding manner, and the top of the limiting ball head is inserted into the limiting hole; twenty reel installation boxes are fixedly embedded on the side surface of the reel installation box; and a limiting spring is sleeved in the limiting mounting groove and is fixedly connected between the limiting ball head and the limiting mounting groove.

Further, the figure clamping device comprises: the paper rotating shaft is fixedly connected with a sliding groove, and the sliding groove is connected with the arc-shaped sliding plate in a sliding manner; the front side of the arc-shaped sliding plate is fixedly connected with a squeezing block, and the back of the squeezing block is fixedly connected with six clamping springs; and the tails of the six clamping springs are fixedly connected to the paper rotating shaft.

Further, the drawing fixing device includes: the top of the mounting shell is fixedly connected with the fixed base, and the fixed base is in threaded rotary connection with the fixed shaft; the rotating shaft at the bottom of the fixed shaft is connected with an elastic pressing sheet, and the front end of the elastic pressing sheet is fixedly connected with an anti-skidding fixed pad.

Compared with the prior art, the invention has the following beneficial effects:

1. in the device, a drawing backup device is arranged, the sealing film can effectively ensure the sealing effect of the backup drawing by adopting a mode of jointing the drawing printing paper and the sealing film, the drawing being drawn is copied by the drawing printing paper, the problems of reworking and reduction of the working efficiency of building construction caused by the fact that the first draft is damaged and lost and water is low in price when the drawing is used outdoors and used daily and is not backed up in time are solved, and meanwhile, a scroll device is arranged, the backup drawing can be smoothly guided into the backup device and the drawing is finished for rolling, wherein the front end of the drawing sliding plate is of an arc-shaped structure and is jointed with a scroll mounting box in a sealing way, the backup drawing is more conveniently inserted into the backup device, meanwhile, a rotation limiting device is arranged on the scroll device, a limiting ball head is extruded in a limiting hole through a limiting spring, and the problem that the scroll device is not firm in the drawing process can be effectively prevented, the copying effect is poor, the backup drawing can be firmly clamped by the arranged drawing clamping device through the extrusion of the clamping spring, and the stability of the winding process is ensured.

2. In this device, set up supplementary drawing device, simple structure satisfies the drawing demand simultaneously, through installing, when slider can be more stable drawing, can prevent that the drawing rule from losing, and the annular angle appearance of setting can more accurate control angle, can observe current angle in real time through the angle pointer, can fix through fixed knob, and convenient operation realizes the drawing operation demand of multidirectional multi-angle.

2. In this device, set up drawing fixing device, prevent that the drawing is fixed insecure to lead to drawing the effect not good when drawing the drawing, fixing device structure is small and exquisite simple not fragile simultaneously, can not influence normal drawing operation, and the drawing is put into the drawing and is deposited the case, is convenient for seal the save to the drawing more, and it is more convenient to use, prevents that the drawing of drawing completion from losing.

Drawings

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

Fig. 2 is a schematic bottom structure of the present invention.

FIG. 3 is a schematic view showing the structure of the drawing storage box of the present invention.

Fig. 4 is a schematic side sectional view of the present invention.

Fig. 5 is a schematic structural diagram of a drawing backup device according to the present invention.

FIG. 6 is a schematic structural diagram of an auxiliary drawing device according to the present invention.

Fig. 7 is a schematic structural view of the reel device of the present invention.

Fig. 8 is a schematic structural view of the rotation limiting device of the present invention.

FIG. 9 is a schematic view of the construction of the image clamping device of the present invention.

FIG. 10 is a schematic view of the fixing device of the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. installing a shell; 2. an auxiliary drawing device; 201. a drawing rule; 202. drawing scale lines; 203. an annular goniometer; 204. fixing the knob; 205. a rotating ring; 3. a sliding device; 301. a sliding track; 302. moving the slide block; 303. an angle pointer; 304. rotating the connecting disc; 4. a reel device; 401. a reel rotating handle; 402. a paper rotating shaft; 403. drawing limiting plates; 404. a reel connecting shaft; 5. a drawing backup device; 501. drawing sliding plates; 502. drawing and printing paper; 503. sealing the film; 6. a rotation limiting device; 601. a limiting ball head; 602. a limiting spring; 603. a limiting mounting groove; 604. a limiting hole; 7. a picture clamping device; 701. a compaction block; 702. a clamping spring; 703. an arc-shaped sliding plate; 704. a sliding groove; 8. a drawing fixing device; 801. a fixed base; 802. a fixed shaft; 803. an elastic pressing sheet; 804. an anti-skid fixing pad; 9. a reel mounting box; 10. anti-skid mounting feet; 11. pulling the track; 12. a drawing storage box; 13. a sealing door; 14. a reel positioning line; 15. the handle locates the line.

Detailed Description

The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 10:

the invention provides an auxiliary tool for architectural design drawing, which comprises an installation shell 1; four corners of the bottom of the mounting shell 1 are fixedly connected with anti-skid mounting feet 10; the top of the mounting shell 1 is fixedly connected with a sliding device 3, and the sliding device 3 is fixedly connected with an auxiliary drawing device 2; a scroll mounting box 9 is fixedly connected to the side surface of the mounting shell 1, and a scroll device 4 is connected to the inside of the scroll mounting box 9 through a rotating shaft; two groups of rotary limiting devices 6 are fixedly connected to the reel device 4; the top of the mounting shell 1 is fixedly connected with a drawing backup device 5, and the side surface of the drawing backup device 5 is fixedly connected with a scroll mounting box 9; the picture clamping device 7 is fixedly connected to the reel device 4; the top of the mounting shell 1 is fixedly connected with four groups of drawing fixing devices 8; the reel device 4 is fixedly connected with a handle positioning line 15; a scroll positioning line 14 is fixedly connected to the side surface of the scroll mounting box 9; pulling rails 11 are fixedly connected to two sides inside the installation shell 1, and drawing storage boxes 12 are fixedly connected to the two pulling rails 11; the outside of the drawing storage box 12 is fixedly connected with a sealing door 13.

Wherein, supplementary drawing device 2 includes: the top of the sliding device 3 is rotatably coupled with the rotating ring 205, and the drawing rule 201 is fixedly connected to the rotating ring 205; the fixed knob 204 passes through the rotating ring 205 and is in threaded rotary connection with the top of the sliding device 3; the drawing scale 201 is fixedly connected with drawing scale marks 202; fixedly connected with annular angle appearance 203 on the drawing rule 201, the control angle that the annular angle appearance 203 that sets up can be more accurate, but the current angle of real-time observation can be fixed through fixed knob 204, and convenient operation realizes multidirectional drawing mode.

Wherein the sliding means 3 comprise; the mounting structure comprises a sliding track 301, a moving slider 302, an angle pointer 303 and a rotating connecting disc 304, wherein the sliding track 301 is fixedly connected to the mounting shell 1, and the moving slider 302 is connected to the sliding track 301 in a sliding manner; remove slider 302 top fixedly connected with and rotate connection pad 304, and rotate fixedly connected with angle pointer 303 on the connection pad 304, when slider 3 can be more stable drawing, can prevent that the drawing rule from losing, and angle pointer 303 can be observed and fix a position current angle in real time.

Wherein the reel device 4 comprises: the scroll mounting box 9 is rotatably sleeved with a scroll connecting shaft 404, and the side surface of the scroll connecting shaft 404 is fixedly connected with the drawing limiting plate 403; the paper rotating shaft 402 is fixedly connected to the side surface of the drawing limiting plate 403, and the reel rotating handle 401 is fixedly connected to the side surface of the paper rotating shaft 402; the reel twist grip 401 is rotatory the suit and is equipped with reel connecting axle 404 on reel mounting box 9 in the rotation, and the outside of reel connecting axle 404 side fixedly connected with drawing is provided with reel device 4, can be smooth with the leading-in drawing backup device 5 of backup drawing and drawing completion and carry out the rolling, drawing limiting plate 403 can guarantee that the position of drawing when placing can insert drawing backup device 5, plays the positioning action.

The drawing backup device 5 includes: the drawing sliding plate 501, the drawing printing paper 502 and the sealing film 503 are fixedly connected to the top of the mounting shell 1, and the sealing film 503 is fixedly connected to the drawing sliding plate 501 in a sealing mode; the inner side of the sealing film 503 is fixedly connected with a drawing printing paper 502; the front side of the drawing sliding plate 501 is designed to be an arc-shaped structure, and the front end of the drawing sliding plate 501 is fixedly connected with the scroll mounting box 9 in a sealing and seamless fit manner; sealing connection between sealing film 503 and the spool mounting box 9, wherein, drawing slide 501, front end are the arc structure, with the sealed laminating of spool mounting box 9, the backup drawing of being convenient for more inserts the backup device 5 of drawing smoothly, sealing film 503's adoption can play sealed guard action, can not influence normal drawing again and touch the dynamics.

Wherein, rotatory stop device 6 includes: the reel device 4 is fixedly connected with two limiting installation grooves 603, and the two limiting installation grooves 603 have the same structure; the limiting installation groove 603 is connected with a limiting ball head 601 in a sliding manner, and the top of the limiting ball head 601 is inserted into the limiting hole 604; twenty reel installation boxes 9 are fixedly embedded on the side surfaces of the reel installation boxes 9; spacing spring 602 is equipped with to spacing mounting groove 603 endotheca, and spacing spring 602 fixed connection is between spacing bulb 601 and spacing mounting groove 603, and spacing bulb 601 passes through spacing spring 602 extrusion at spacing hole 604, can effectually prevent to draw in-process reel device 4 insecure, leads to copying effect not good.

Wherein, picture clamping device 7 includes: the paper rotating shaft 402 is fixedly connected with a sliding groove 704, and the sliding groove 704 is connected with the arc-shaped sliding plate 703 in a sliding manner; the front side of the arc-shaped sliding plate 703 is fixedly connected with a squeezing block 701, and the back of the squeezing block 701 is fixedly connected with six clamping springs 702; the tail parts of the six clamping springs 702 are fixedly connected to the paper rotating shaft 402, and the image clamping device 7 can firmly clamp the backup drawing through the extrusion of the six clamping springs 702, so that the stability of the winding process is ensured, and the situation of falling-off cannot occur.

Wherein, drawing fixing device 8 includes: the top of the mounting shell 1 is fixedly connected with the fixed base 801, and the fixed base 801 is in threaded rotary connection with the fixed shaft 802; fixed axle 802 bottom swivel spindle connects elasticity pressing blade 803, and elasticity pressing blade 803 front end fixedly connected with antiskid fixing pad 804, and drawing fixing device 8, antiskid fixing pad 804 can prevent that the fixed insecure drawing that leads to of drawing and copying effect is not good under the extrusion of elasticity pressing blade 803 when drawing the drawing, and drawing fixing device 8 structure is small and exquisite simple not fragile simultaneously, can not influence normal drawing operation.

When in use: firstly, after the equipment is placed at a proper drawing position, the scroll device 4 can be drawn out by drawing the scroll rotating handle 401, after the drawing, the figure clamping device 7 on the scroll device 4 can realize the opening and closing of the squeezing block 701 by sliding the arc-shaped sliding plate 703, after the drawing is opened, the paper can be placed, after the placing, the arc-shaped sliding plate 703 is loosened, the backup drawing paper is wound on the scroll device 4, then the scroll mounting box 9 can be inserted again, during the insertion process, the handle positioning line 15 on the scroll device 4 is aligned with the scroll positioning line 14 on the side surface of the scroll mounting box 9, after the insertion, the backup drawing can be inserted into the backup device 5 by reversely rotating the scroll rotating handle 401, during the process, the limiting ball 601 on the rotation limiting device 6 can carry out limiting and fixing, because the arc-shaped design of the integrated drawing sliding plate 501 can be inserted more conveniently, after inserting backup drawing, the drawing that will draw is placed and is drawn backup device 5 the top, through the front end of rotating and lifting four drawing fixing device 8, can realize fixed drawing, can draw afterwards, draw through supplementary drawing device 2 is assisted, the horizontal translation distance can be adjusted through slider 3 to the in-process, simultaneously can the angle is drawn in the more accurate control of annular angle appearance 203, fix through fixed knob 204, the in-process of drawing, the drawing content at top can be copied to backup drawing by the drawing printing paper 502 real-time on the backup device 5 of drawing, it is high-efficient convenient.

After the drawing is finished, the backup drawing can be rewound on the scroll device 4 by rotating the scroll rotating handle 401 in the forward direction, and similarly, the scroll device 4 can be drawn out through the position where the handle positioning line 15 is aligned with the scroll positioning line 14, the backup drawing is taken down, and the backup drawing is placed in the drawing storage box 12 for sealed storage.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. The utility model provides an architectural design drawing appurtenance which characterized in that: comprises a mounting housing (1); four corners of the bottom of the mounting shell (1) are fixedly connected with anti-skid mounting feet (10); the top of the mounting shell (1) is fixedly connected with a sliding device (3), and the sliding device (3) is fixedly connected with an auxiliary drawing device (2); a scroll mounting box (9) is fixedly connected to the side surface of the mounting shell (1), and a scroll device (4) is rotatably connected inside the scroll mounting box (9); two groups of rotary limiting devices (6) are fixedly connected to the reel device (4); the top of the mounting shell (1) is fixedly connected with a drawing backup device (5), and the side surface of the drawing backup device (5) is fixedly connected with a scroll mounting box (9); the scroll device (4) is fixedly connected with a picture clamping device (7); the top of the mounting shell (1) is fixedly connected with four groups of drawing fixing devices (8); a handle positioning line (15) is fixedly connected to the reel device (4); a scroll positioning line (14) is fixedly connected to the side surface of the scroll mounting box (9); pulling rails (11) are fixedly connected to two sides inside the mounting shell (1), and drawing storage boxes (12) are fixedly connected to the two pulling rails (11); the outer side of the drawing storage box (12) is fixedly connected with a sealing door (13);

the auxiliary drawing device (2) comprises: the top of the sliding device (3) is rotatably coupled with the rotating ring (205), and the drawing ruler (201) is fixedly connected to the rotating ring (205); the fixed knob (204) penetrates through the rotating ring (205) and is in threaded rotary connection with the top of the sliding device (3); the drawing ruler (201) is fixedly connected with drawing scale marks (202); the drawing rule (201) is fixedly connected with an annular angle gauge (203);

the sliding device (3) comprises; the angle indicator comprises a sliding track (301), a moving slider (302), an angle pointer (303) and a rotating connecting disc (304), wherein the sliding track (301) is fixedly connected to the mounting shell (1), and the moving slider (302) is connected to the sliding track (301) in a sliding mode; the top of the movable sliding block (302) is fixedly connected with a rotary connecting disc (304), and an angle pointer (303) is fixedly connected to the rotary connecting disc (304);

the spool means (4) comprises: the paper drawing mounting box comprises a scroll rotating handle (401), a paper rotating shaft (402), a drawing limiting plate (403) and a scroll connecting shaft (404), wherein the scroll connecting shaft (404) is rotatably sleeved on the scroll mounting box (9), and the drawing limiting plate (403) is fixedly connected to the side surface of the scroll connecting shaft (404); the paper rotating shaft (402) is fixedly connected to the side face of the drawing limiting plate (403), and the reel rotating handle (401) is fixedly connected to the side face of the paper rotating shaft (402); the scroll rotating handle (401) is rotatably sleeved on the scroll mounting box (9) and rotatably sleeved with a scroll connecting shaft (404), and the side surface of the scroll connecting shaft (404) is fixedly connected with the outer side of the drawing;

the figure clamping device (7) comprises: the paper rotating shaft (402) is fixedly connected with the sliding groove (704), and the sliding groove (704) is connected with the arc-shaped sliding plate (703) in a sliding manner; the front side of the arc-shaped sliding plate (703) is fixedly connected with a squeezing block (701), and the back of the squeezing block (701) is fixedly connected with six clamping springs (702); the tail parts of the six clamping springs (702) are fixedly connected to the paper rotating shaft (402);

the drawing backup apparatus (5) includes: the mounting structure comprises a drawing sliding plate (501), drawing printing paper (502) and a sealing film (503), wherein the drawing sliding plate (501) is fixedly connected to the top of the mounting shell (1), and the sealing film (503) is fixedly connected to the drawing sliding plate (501) in a sealing mode; the inner side of the sealing film (503) is fixedly connected with drawing printing paper (502); the front side of the drawing sliding plate (501) is designed to be of an arc-shaped structure, and the front end of the drawing sliding plate (501) is fixedly connected with the scroll mounting box (9) in a sealing and seamless fit manner; the sealing film (503) is connected with the scroll mounting box (9) in a sealing way;

the rotation limiting device (6) comprises: the device comprises a limiting ball head (601), a limiting spring (602), a limiting mounting groove (603) and a limiting hole (604);

the drawing fixing device (8) includes: a fixed base (801), a fixed shaft (802), an elastic pressing sheet (803) and an antiskid fixed pad (804).

2. A special drawing aid for architectural design applications as recited in claim 1, wherein: two limiting installation grooves (603) are fixedly connected to the reel device (4), and the two limiting installation grooves (603) have the same structure; the limiting mounting groove (603) is connected with a limiting ball head (601) in a sliding manner, and the top of the limiting ball head (601) is inserted into the limiting hole (604); and a limiting spring (602) is sleeved in the limiting mounting groove (603), and the limiting spring (602) is fixedly connected between the limiting ball head (601) and the limiting mounting groove (603).

3. A special drawing aid for architectural design applications as recited in claim 1, wherein: the top of the mounting shell (1) is fixedly connected with a fixed base (801), and a fixed shaft (802) is rotatably connected to the fixed base (801) through threads; the bottom of the fixed shaft (802) is rotatably connected with an elastic pressing sheet (803), and the front end of the elastic pressing sheet (803) is fixedly connected with an anti-skidding fixed pad (804).