Drawing device for prefabricated building design

Through the combination of the limiting structure, the adjusting structure and the positioning structure, the problem of the inconvenience in adjusting the pitch angle and fixing the drawing paper of the drawing device is solved, and the convenient drawing needs of workers of different heights are realized.

CN223403532UActive Publication Date: 2025-10-03THE FIRST COMPARY OF CHINA EIGHTH ENG BUREAU LTD
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Patent Information

Application Number
CN202422692095.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-04
Publication Date
2025-10-03
Estimated Expiration
2034-11-04

AI Technical Summary

Technical Problem

The existing drawing device is not convenient in adjusting the pitch angle, is difficult to adapt to the needs of workers of different heights, and is inconvenient to fix the drawing paper.

Method used

A drawing device including a limiting structure, an adjusting structure and a positioning structure is designed. The height and angle of the telescopic rod are adjusted by a limiting rod, a motor-driven threaded rod and a crank, and the drawing paper is fixed by a clamping plate.

Benefits of technology

The height and pitch angle of the drawing device can be easily adjusted to meet the needs of workers of different heights, and can be fixed according to the size of the drawing paper, thereby improving the convenience of drawing.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a drawing device for assembly type building design, belongs to the technical field of drawing devices, and effectively solves the problem that the inclination angle of a drawing board is not easy to adjust when a building sketch is drawn at present. According to the technical scheme, the device comprises a bottom plate, a telescopic box is installed at the top of the bottom plate, a movable block is vertically arranged in the telescopic box in a sliding fit mode, a telescopic rod is fixedly connected to the top of the movable block, a limiting structure is arranged between the telescopic box and the telescopic rod, and a connecting rod horizontally arranged forwards is fixedly connected to the top of the telescopic rod; the end, away from the telescopic rod, of the connecting rod is hinged to the main plate, the main plate is provided with a positioning structure matched with drawing paper, and an adjusting structure is arranged between the main plate and the telescopic rod. The drawing device for the assembly type building design has the beneficial effect that the drawing device for the assembly type building design, which is convenient and fast to adjust, is provided.
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Description

Technical Field

[0001] The utility model relates to the technical field of drawing devices, and more particularly to a drawing device for prefabricated building design. Background Art

[0002] The architectural model data currently required needs to be sketched by designers at first. When sketching the three-dimensional model, an easel is needed. The existing easels are relatively simple to adjust. The most common method is to adjust the height of the equipment to accommodate workers of different heights. However, sometimes when workers are drawing, they need to adjust the pitch angle of the equipment, which is not easy to achieve conveniently.

[0003] Therefore how to solve the above-mentioned technical problems just becomes the problem that the utility model faces. Utility Model Content

[0004] In view of the problems existing in the prior art, the purpose of the present invention is to provide a drawing device for prefabricated building design that is easy to adjust quickly.

[0005] The technical solution adopted by the present invention to solve the technical problem is as follows: the present invention provides a drawing device for prefabricated building design, comprising a horizontally arranged base plate, a vertically arranged telescopic box fixedly mounted at the top center of the base plate, a movable block vertically slidingly engaged inside the telescopic box, a telescopic rod vertically upwardly arranged fixedly connected to the top of the movable block, the telescopic rod slidingly engaged with the top opening of the telescopic box, and a limiting structure provided between the telescopic box and the telescopic rod;

[0006] The top of the telescopic rod is fixedly connected to a connecting rod arranged horizontally and facing forward. The connecting rod is hinged to the main board at one end away from the telescopic rod. The main board is provided with a positioning structure that cooperates with the drawing paper. An adjustment structure is provided between the main board and the telescopic rod.

[0007] The limiting structure includes a limiting box fixedly connected to the upper outer wall of the telescopic box, a limiting rod is inserted on the outer side of the limiting box, which passes through the limiting box and the telescopic box in sequence and extends to the inner side of the telescopic box, and a plurality of limiting holes are equidistantly opened on the outer wall of the telescopic rod from top to bottom to engage with the telescopic rod;

[0008] The outer wall of the limit rod is sleeved with a stopper located inside the limit box. The portion of the limit rod located between the stopper and the outer inner wall of the limit box is sleeved with a spring. The outer end of the limit rod is fixedly connected with a pull handle.

[0009] The positioning structure includes an equipment box disposed transversely on top of the mainboard, a first bearing being disposed on one side of the equipment box, the bearing being sleeved on the outer side of one end of a first threaded rod, the first threaded rod extending through the outer side of the equipment box at one end away from the bearing and being fixedly connected to a crank, the threads on both sides of the first threaded rod being disposed in opposite directions, and first nuts being symmetrically threaded on both sides of the first threaded rod;

[0010] The tops of the two first nuts are fixedly connected to sliders, which slide in a sliding groove provided on the top of the inner side of the equipment box. The bottoms of the two first nuts are fixedly connected to fixing rods which are perpendicular to the first threaded rods. The fixing rods extend through the equipment box to the lower side of the mainboard. The bottom side of the equipment box is laterally provided with a bottom groove which slides in cooperation with the fixing rods.

[0011] The fixing rod is threadedly connected with bolts passing through both sides thereof, the central axis of the bolt is perpendicular to the plate surface of the main board, and one end of the bolt is rotatably connected to the main board.

[0012] The adjustment structure includes a mounting cavity vertically opened in the center portion of the rear side of the mainboard, a motor is disposed at the bottom of the mounting cavity, a second bearing is disposed at the top of the mounting cavity, an output end of the motor is coaxially fixedly connected to the bottom end of a second threaded rod disposed vertically upward, and a top end of the second threaded rod is coaxially sleeved on the inner side of the second bearing;

[0013] The outer side of the second threaded rod is threadedly connected to a second nut, and the second nut is fixedly connected to a moving block facing the inner outer wall of the main board. The inner wall of the installation cavity is provided with a moving groove that vertically slides with the moving block. The second nut is fixedly connected to the outer wall on the side away from the moving block to a connecting block extending to the outside of the installation cavity. The outer side of the connecting block is hinged to the top of the movable rod, and the bottom end of the movable rod is hinged to the side wall of the telescopic rod.

[0014] When the utility model is actually used: when the equipment needs to be adjusted, first pull the limit rod to make the limit rod disengage from the inside of the limit hole, and at the same time drive the stop block to squeeze the spring to the right, then when the telescopic rod is taken out upward to a suitable height, release the limit rod. At this time, the spring drives the stop block to move to the left and reset, and the stop block drives the limit rod to reset and insert into the inside of the limit hole to complete the height fixation, then start the motor to rotate the second threaded rod, the rotation of the second threaded rod causes the second nut to move downward, the second nut drives the connecting block to descend, the connecting block drives the movable rod to descend, and the lower side of the main board moves upward when the movable rod descends. When the main board moves to the appropriate position, turn off the motor to complete the pitch angle adjustment of the equipment. When drawing is required, first shake the handle to rotate the first threaded rod according to the size of the drawing paper, and the first threaded rod drives the first nut to move away from or away from it. When the size between the two fixed rods fits the size of the drawing paper, stop rotating, then place the drawing paper on the front of the main board, select a suitable splint, and then turn the bolt. The bolt is threadedly connected to the fixed rod, which will drive the splint to move toward the front of the main board. When the splint fits to the front of the main board, the drawing paper is fixed, making it more convenient for the staff to work.

[0015] The beneficial effects of the utility model are:

[0016] 1. The device can adjust the pitch angle of the equipment, so that the equipment can adapt to workers of different heights. Adjusting the pitch angle can increase the practicality of the equipment, so that it can better meet the needs of workers;

[0017] 2. The device can select a suitable splint according to the size of the drawing paper and fix the drawing paper, making it more convenient for the staff to work. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the structure of the utility model;

[0019] Figure 2 for Figure 1 A magnified schematic diagram of area A;

[0020] Figure 3 It is a side sectional view of the utility model;

[0021] Figure 4 It is a partial side sectional view of the utility model.

[0022] Among them, the figure markings are: 1 base plate, 2 telescopic box, 3 movable block, 4 telescopic rod, 41 limit hole, 5 limit box, 51 limit rod, 52 block, 53 spring, 54, pull handle; 6 connecting rod, 7 main board, 8 equipment box, 81 first bearing, 82 first threaded rod, 83 first nut, 84 slide groove, 85 slider, 86 fixed rod, 87 bolt, 88 splint, 89, crank handle; 90, bottom groove; 9 motor, 91 second bearing, 92 second threaded rod, 93 second nut, 94 movable groove, 95 movable block, 96 connecting block, 97 movable rod; 98, installation cavity. DETAILED DESCRIPTION

[0023] In order to clearly illustrate the technical features of this solution, this solution is described below through specific implementation methods.

[0024] See also Figures 1 to 4 The utility model is a drawing device for prefabricated architectural design, comprising a horizontally arranged base plate 1, a vertically arranged telescopic box 2 fixedly installed at the top center of the base plate 1, a movable block 3 vertically slidingly fitted inside the telescopic box 2, a telescopic rod 4 vertically arranged upward fixedly connected to the top of the movable block 3, the telescopic rod 4 slides in cooperation with the top opening of the telescopic box 2, a limiting structure is provided between the telescopic box 2 and the telescopic rod 4, a connecting rod 6 horizontally arranged forwardly fixedly connected to the top of the telescopic rod 4, the connecting rod 6 is hinged to the main board 7 at one end away from the telescopic rod 4, the main board 7 is provided with a positioning structure fitted with drawing paper, and an adjustment structure is provided between the main board 7 and the telescopic rod 4.

[0025] The limiting structure includes a limiting box 5 fixedly connected to the upper outer wall of the telescopic box 2, and a limiting rod 51 is inserted on the outer side of the limiting box 5, which passes through the limiting box 5 and the telescopic box 2 in sequence and extends to the inner side of the telescopic box 2. A plurality of limiting holes 41 that are equidistant from top to bottom on the outer wall of the telescopic rod 4 are provided, and the outer wall of the limiting rod 51 is sleeved with a stopper 52 located on the inner side of the limit box 5. The part of the limiting rod 51 located between the stopper 52 and the outer inner wall of the limit box 5 is sleeved with a spring 53, and the outer end of the limiting rod 51 is fixedly connected to a pull handle 54. The positioning structure includes an equipment box 8 arranged horizontally on the top of the main board 7. A first bearing 81 is provided on one side of the equipment box 8. The bearing 81 is sleeved on the outer side of one end of the first threaded rod 81. The end of the first threaded rod 81 away from the bearing 81 extends to the outside of the equipment box 8 and is fixedly connected to a crank handle 89. The threads on both sides of the first threaded rod 81 are arranged in opposite directions. The first threaded rod 81 is symmetrically threaded with first nuts 83 on both sides. The tops of the two first nuts 83 are fixedly connected with sliders 85. The sliders 85 slide in the slide grooves 84 opened at the top of the inner side of the equipment box 8. The bottoms of the two first nuts 83 are fixedly connected with fixing rods 86 arranged perpendicular to the first threaded rod 81. The fixing rod 86 extends through the equipment box 8 to the lower side of the main board 7. A bottom groove 90 is opened horizontally on the bottom side of the equipment box 8 to slide in with the fixing rod 86. The fixing rod 86 is threaded with bolts 87 passing through both sides thereof. The central axis of the bolt 87 is perpendicular to the plate surface of the main board 7. The bolt 87 is connected to a clamping plate 88 that is rotated toward one end of the main board 7. The adjustment structure includes an installation cavity 98 vertically opened in the center portion of the rear side of the main board 7, a motor 9 is provided at the bottom of the installation cavity 98, a second bearing 91 is provided at the top of the installation cavity 98, the output end of the motor 9 is coaxially fixedly connected to the bottom end of the second threaded rod 92 vertically arranged upward, the top of the second threaded rod 92 is coaxially sleeved on the inner side of the second bearing 91, the outer side of the second threaded rod 92 is threadedly connected to a second nut 93, the second nut 93 is fixedly connected to a moving block 95 toward the inner outer wall of the main board 7, a moving groove 94 is provided on the inner wall of the installation cavity 98 for vertical sliding cooperation with the moving block 95, the outer wall of the second nut 93 away from the moving block 95 is fixedly connected to a connecting block 96 extending to the outside of the installation cavity 98, the outer side of the connecting block 96 is hinged to the top of the movable rod 97, and the bottom end of the movable rod 97 is hinged to the side wall of the telescopic rod 4.

[0026] In actual use: when the equipment needs to be adjusted, first pull the limit rod 51 to disengage the limit rod 51 from the inside of the limit hole 41, and at the same time drive the stop block 52 to squeeze the spring 53 to the right. Then, when the telescopic rod 4 is taken out upward to a suitable height, release the limit rod 51. At this time, the spring 53 drives the stop block 52 to move to the left and reset. The stop block 52 drives the limit rod 51 to reset and insert it into the inside of the limit hole 41 to complete the height fixation. Then start the motor 9 to rotate the second threaded rod 92. The rotation of the second threaded rod 92 causes the second nut 93 to move downward. The second nut 93 drives the connecting block 96 to descend. The connecting block 96 drives the movable rod 97 to descend. The descent of the movable rod 97 drives the lower side of the main board 7 to move upward. When the main board 7 moves to the appropriate position, turn off the motor 9 to complete the pitch angle adjustment of the equipment. When drawing is needed, first shake the handle 89 to rotate the first threaded rod 82 according to the size of the drawing paper. The first threaded rod 82 drives the first nut 83 to move away from or away from each other. When the size between the two fixing rods 86 is suitable for the size of the drawing paper, stop rotating, then place the drawing paper on the front of the main board 7, select a suitable splint 88, and then turn the bolt 87. The bolt 87 is threadedly connected to the fixing rod 86, which will drive the splint 88 to move toward the front of the main board 7. When the splint 88 is attached to the front of the main board 7, the drawing paper is fixed, making it more convenient for the staff to work.

[0027] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A drawing device for prefabricated building design, characterized in that: The invention comprises a horizontally arranged bottom plate (1), a vertically arranged telescopic box (2) is fixedly installed at the top center of the bottom plate (1), a movable block (3) is vertically slidably fitted inside the telescopic box (2), a telescopic rod (4) vertically upwards is fixedly connected to the top of the movable block (3), the telescopic rod (4) is slidably fitted with the top opening of the telescopic box (2), and a limiting structure is provided between the telescopic box (2) and the telescopic rod (4); The top of the telescopic rod (4) is fixedly connected to a connecting rod (6) arranged horizontally and facing forward. The connecting rod (6) is hinged to a main board (7) at one end away from the telescopic rod (4). The main board (7) is provided with a positioning structure that cooperates with drawing paper. An adjustment structure is provided between the main board (7) and the telescopic rod (4).

2. The drawing device for prefabricated building design according to claim 1, characterized in that: The limiting structure comprises a limiting box (5) fixedly connected to the upper outer wall of the telescopic box (2); a limiting rod (51) is inserted into the outer side of the limiting box (5) and passes through the limiting box (5) and the telescopic box (2) in sequence and extends to the inner side of the telescopic box (2); and a plurality of limiting holes (41) are equidistantly provided on the outer wall of the telescopic rod (4) from top to bottom and are engaged with the telescopic rod (51); The outer wall of the limit rod (51) is sleeved with a stopper (52) located inside the limit box (5); the portion of the limit rod (51) located between the stopper (52) and the outer inner wall of the limit box (5) is sleeved with a spring (53); the outer end of the limit rod (51) is fixedly connected with a pull handle (54).

3. The drawing device for prefabricated building design according to claim 1, characterized in that: The positioning structure includes an equipment box (8) arranged horizontally on the top of the main board (7), a first bearing (81) is arranged on one side of the equipment box (8), the bearing (81) is sleeved on the outside of one end of the first threaded rod (81), the end of the first threaded rod (81) away from the bearing (81) passes through the outside of the equipment box (8) and is fixedly connected to a crank (89), the threads on both sides of the first threaded rod (81) are arranged in opposite directions to each other, and the first nuts (83) are symmetrically threaded on both sides of the first threaded rod (81); The tops of the two first nuts (83) are fixedly connected to a slider (85), and the slider (85) is slidably engaged with a slide groove (84) provided on the top of the inner side of the equipment box (8). The bottoms of the two first nuts (83) are fixedly connected to a fixing rod (86) which is perpendicularly arranged with the first threaded rod (81). The fixing rod (86) passes through the equipment box (8) and extends to the lower side of the main board (7). The bottom side of the equipment box (8) is laterally provided with a bottom groove (90) which is slidably engaged with the fixing rod (86); The fixing rod (86) is threadedly connected with bolts (87) passing through both sides thereof, the central axis of the bolt (87) is perpendicular to the plate surface of the main board (7), and the bolt (87) is rotatably connected to one end of the main board (7) with a clamping plate (88).

4. The drawing device for prefabricated building design according to claim 1, characterized in that: The adjustment structure comprises a mounting cavity (98) vertically opened in the center portion of the rear side of the main board (7), a motor (9) is arranged at the bottom of the mounting cavity (98), a second bearing (91) is arranged at the top of the mounting cavity (98), an output end of the motor (9) is coaxially fixedly connected to the bottom end of a second threaded rod (92) vertically arranged upward, and a top end of the second threaded rod (92) is coaxially sleeved on the inner side of the second bearing (91); The outer side of the second threaded rod (92) is threadedly connected to a second nut (93), and the second nut (93) is fixedly connected to a movable block (95) toward the inner outer wall of the main board (7). The inner wall of the installation cavity (98) is provided with a movable groove (94) vertically slidingly matched with the movable block (95). The outer wall of the second nut (93) away from the movable block (95) is fixedly connected to a connecting block (96) extending to the outside of the installation cavity (98), and the outer side of the connecting block (96) is hinged to the top of the movable rod (97), and the bottom end of the movable rod (97) is hinged to the side wall of the telescopic rod (4).