CN111038151A - Drawing appliance for building - Google Patents
Drawing appliance for building Download PDFInfo
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- CN111038151A CN111038151A CN201911284220.0A CN201911284220A CN111038151A CN 111038151 A CN111038151 A CN 111038151A CN 201911284220 A CN201911284220 A CN 201911284220A CN 111038151 A CN111038151 A CN 111038151A
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- 238000010276 construction Methods 0.000 claims description 2
- 230000003028 elevating effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- XBWAZCLHZCFCGK-UHFFFAOYSA-N 7-chloro-1-methyl-5-phenyl-3,4-dihydro-2h-1,4-benzodiazepin-1-ium;chloride Chemical compound [Cl-].C12=CC(Cl)=CC=C2[NH+](C)CCN=C1C1=CC=CC=C1 XBWAZCLHZCFCGK-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L5/00—Drawing boards
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B27/00—Drawing desks or tables; Carriers for drawing-boards
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L13/00—Drawing instruments, or writing or drawing appliances or accessories not otherwise provided for
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- Drawing Aids And Blackboards (AREA)
Abstract
The invention provides a building drawing tool, which belongs to the technical field of teaching equipment and comprises a supporting seat, a first drawing board, a second drawing board, an expansion board and a lifting device, wherein the first drawing board is arranged at the top of the supporting seat and is in sliding fit with the supporting seat; the second drawing board is arranged at the top of the supporting seat and positioned on one side of the first drawing board, the second drawing board is in sliding fit with the supporting seat, the top surface of the second drawing board is flush with the top surface of the first drawing board, and when the first drawing board and the second drawing board slide reversely to preset positions, an expansion space is formed between the first drawing board and the second drawing board; the expansion plate is connected with the supporting seat in a sliding mode and is used for being placed in the expansion space; the lifting device is connected with the supporting seat and used for controlling the extension plate to lift. The building drawing tool has the advantages of expanding functions and improving drawing efficiency.
Description
Technical Field
The invention belongs to the technical field of teaching equipment, and particularly relates to a building drawing tool.
Background
Along with information technology's development, drawing is more and more used in machinery, building industry, in the teaching of school, can need drawing the industrial drawing often, can use professional drawing instrument help student or mr to draw when drawing the industrial drawing, and current drawing instrument pattern is more single, and the drawing instrument of a specification can only satisfy the drawing of certain size drawing, and the limitation is big, need change drawing instrument when needing to draw the drawing of equidimension not, increases user's activity duration.
Disclosure of Invention
The invention aims to provide a drawing tool for buildings, and aims to solve the technical problems that the existing drawing tool is large in limitation, drawings of different sizes are frequently replaced, and the operation time is prolonged.
In order to achieve the purpose, the invention adopts the technical scheme that: there is provided an architectural drawing implement comprising:
a supporting seat;
the first drawing board is arranged at the top of the supporting seat and is in sliding fit with the supporting seat;
the second drawing board is arranged at the top of the supporting seat and positioned on one side of the first drawing board, the second drawing board is in sliding fit with the supporting seat, the top surface of the second drawing board is flush with the top surface of the first drawing board, and when the first drawing board and the second drawing board slide reversely to preset positions, an expansion space is formed between the first drawing board and the second drawing board;
the expansion plate is connected with the supporting seat in a sliding mode and used for being placed in the expansion space, and the expansion plate is arranged on the lower portions of the first drawing plate and the second drawing plate; and
and the lifting device is connected with the supporting seat and is used for controlling the lifting of the expansion plate.
As another embodiment of the present application, the lifting device includes:
the shell is fixedly arranged on the supporting seat and is positioned at the bottom of the expansion plate;
the rotating rod penetrates through the shell and is rotatably connected with the shell, and the rotating rod is arranged in parallel with the bottom surface of the expansion plate;
two support rods are arranged and are respectively fixedly arranged at two ends of the rotating rod, the support rods are arranged perpendicular to the rotating rod and are used for supporting the expansion plate; and
the rotating handle is connected with the shell in a rotating mode, the rotating handle is connected with the rotating rod, and the rotating handle is used for driving the rotating rod to rotate.
As another embodiment of this application, the worm has been set firmly on the rotation handle, the cover is equipped with the worm wheel on the dwang, the worm wheel with dwang fixed connection, the worm wheel with the worm meshing.
As another embodiment of this application, expansion board bottom is equipped with the bracing piece, bracing piece one end with the bottom fixed connection of expansion board, the other end of bracing piece with supporting seat fixed connection, the bracing piece is scalable guide bar.
As another embodiment of the present application, a first cavity is disposed in the first drawing board, and a first air hole is disposed on the first drawing board and is communicated with the first cavity;
a second cavity is arranged in the second drawing plate, a second air hole is formed in the second drawing plate, the second air hole is communicated with the second cavity, and when the side face of the first drawing plate is abutted against the side face of the second drawing plate, the second cavity is communicated with the first cavity;
the expansion plate is internally provided with a third cavity, the expansion plate is provided with a third air hole, the third air hole is communicated with the third cavity, and when the expansion plate is in a lifting state, the third cavity is respectively communicated with the first cavity and the second cavity.
As another embodiment of the present application, a suction pump is disposed at the bottom of the first drawing board, and the suction pump is communicated with the first cavity;
or the bottom of the second drawing board is provided with a suction pump which is communicated with the second cavity.
As another embodiment of the present application, the first air holes are uniformly provided in plurality; a plurality of second air holes are uniformly formed; the third air holes are uniformly arranged in a plurality.
As another embodiment of the present application, the construction drawing tool further includes a ruler frame, one side of the ruler frame is rotatably connected to the first drawing board and the second drawing board, respectively, and the ruler frame is of a telescopic structure.
As another embodiment of the present application, the ruler frame includes:
the fixing frame is arranged at the top of the first drawing plate, one side of the fixing frame is rotatably connected with the first drawing plate, and a sliding groove is formed in the fixing frame; and
the sliding frame is arranged at the top of the second drawing board, one side of the sliding frame is rotatably connected with the second drawing board, and the sliding frame is in sliding fit with the sliding groove.
As another embodiment of the application, a transverse ruler and a vertical ruler are arranged on the lattice ruler frame, two ends of the transverse ruler are respectively connected with the lattice ruler frame in a sliding manner, and the transverse ruler is parallel to the length direction of the lattice ruler frame;
the two ends of the vertical ruler are respectively connected with the grid ruler frame in a sliding mode, and the vertical ruler is perpendicular to the transverse ruler.
The building drawing tool provided by the invention has the beneficial effects that: compared with the prior art, when the building drawing tool is used, drawings are laid on the first drawing board and the second drawing board for drawing the sample drawings, when large-size sample drawings need to be drawn, the first drawing board is adjusted to a position far away from the second drawing board in a sliding mode, the expansion board is controlled by the lifting device to ascend and butt-joint between the first drawing board and the second drawing board, a new drawing desktop with an expanded area is formed, and the building drawing tool can be suitable for drawing the large-size sample drawings. The building drawing tool can be used for drawing the sample drawings with different sizes when in use, has an expansion function, does not need to frequently replace the drawing tool, reduces the operation time of a user, and improves the drawing efficiency.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic top view of a first architectural drawing implement according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a first perspective view of a first architectural drawing tool according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a second architectural drawing tool according to an embodiment of the present invention;
FIG. 4 is a schematic cross-sectional view of a lifting device used in an embodiment of the present invention;
fig. 5 is a schematic structural diagram of an expansion board used in the embodiment of the present invention.
In the figure: 1. a supporting seat; 2. a first drawing board; 3. a second drawing board; 4. expanding the board; 5. a lifting device; 501. a housing; 502. rotating the rod; 503. a support rod; 504. rotating the handle; 6. a sleeve; 7. a telescopic rod; 8. a worm; 9. a worm gear; 10. a support bar; 101. fixing the rod; 102. a slide bar; 11. a first cavity; 12. a first air hole; 13. a second cavity; 14. a second air hole; 15. a third cavity; 16. a third air hole; 17. a suction pump; 18. a ruler frame; 181. a fixing frame; 182. a sliding frame; 19. a transverse ruler; 20. a vertical ruler; 21. a telescopic ruler; 22. a first support plate; 23. a second support plate.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 to 5, the architectural drawing tool of the present invention will now be described. The architectural drawing tool comprises a supporting seat 1, a first drawing board 2, a second drawing board 3, an expansion board 4 and a lifting device 5, wherein the first drawing board 2 is arranged at the top of the supporting seat 1, and the first drawing board 2 is in sliding fit with the supporting seat 1; the second drawing board 3 is arranged at the top of the supporting seat 1 and positioned on one side of the first drawing board 2, the second drawing board 3 is in sliding fit with the supporting seat 1, the top surface of the second drawing board 3 is flush with the top surface of the first drawing board 2, and when the first drawing board 2 and the second drawing board 3 slide reversely to preset positions, an expansion space is formed between the first drawing board 2 and the second drawing board 3; the expansion board 4 is connected with the supporting seat 1 in a sliding mode and used for being placed in the expansion space, and the expansion board 4 is arranged on the lower portion of the first drawing board 2 and the lower portion of the second drawing board 3; the lifting device 5 is connected with the supporting seat 1 and used for controlling the lifting of the expansion plate 4.
Compared with the prior art, when the architectural drawing tool is used, drawings are laid on the first drawing board 2 and the second drawing board 3 to draw sample drawings, when large-size sample drawings need to be drawn, the first drawing board 2 is adjusted to a position far away from the second drawing board 3 in a sliding mode, the expansion board 4 is controlled to ascend through the lifting device 5 and is butted between the first drawing board 2 and the second drawing board 3, a new drawing desktop with an expanded area is formed, and the architectural drawing tool can be suitable for drawing large-size sample drawings. The building drawing tool can be used for drawing the sample drawings with different sizes when in use, has an expansion function, does not need to frequently replace the drawing tool, reduces the operation time of a user, and improves the drawing efficiency.
As a specific embodiment of the architectural drawing tool provided by the present invention, please refer to fig. 2 to 3, a first supporting plate 22 is disposed at the bottom of the first drawing plate 2, one side of the first supporting plate 22 is fixedly connected to the bottom of the first drawing plate 2, and the other side of the first supporting plate 22 opposite to the first supporting plate is slidably connected to the supporting seat 1; second drawing board 3 bottom is equipped with second backup pad 23, one side of second backup pad 23 and the bottom fixed connection of second drawing board 3, the opposite side and the supporting seat 1 sliding connection that second backup pad 23 is relative, and supporting seat 1 is hollow structure, first backup pad 22 and second backup pad 23 respectively with the inner chamber sliding fit of supporting seat 1. The separation and the splicing of the first drawing board 2 and the second drawing board 3 are adjusted by pulling the first drawing board 2 or the second drawing board 3, so that the size of a drawing desktop of the architectural drawing tool (wherein the desktop refers to a desktop for drawing formed by splicing the top surfaces of the architectural drawing tool disclosed by the invention, and the desktop mentioned below is the same as the desktop in the prior art) is adjusted, and the structure is simple and the operation is convenient.
As a specific embodiment of the architectural drawing tool provided by the present invention, please refer to fig. 1 to 3, two sides of the first drawing board 2 are respectively provided with a sleeve 6, and one end of the sleeve 6 is fixedly connected with the side wall of the first drawing board 2; the both sides of second drawing board 3 are equipped with telescopic link 7 respectively, and the one end of telescopic link 7 and the lateral wall fixed connection of second drawing board 3, telescopic link 7 insert locate in the sleeve pipe 6 and with sleeve pipe 6 sliding connection. The sliding fit help of sleeve pipe 6 and telescopic link 7 realizes keeping away from and the concatenation of first drawing-board 2 and second drawing-board 3, and the relative position between first drawing-board 2 and the second drawing-board 3 can be stabilized in the cooperation of sleeve pipe 6 and telescopic link 7 moreover, guarantees the stability of drawing in-process desktop.
As a specific embodiment of the architectural drawing tool provided by the present invention, please refer to fig. 2 to 4, the lifting device 5 includes a housing 501, a rotating rod 502, a supporting rod 503 and a rotating handle 504, the housing 501 is fixedly disposed on the supporting seat 1 and is located at the bottom of the extending plate 4; the rotating rod 502 penetrates through the shell 501 and is rotatably connected with the shell 501, and the rotating rod 502 is arranged in parallel with the bottom surface of the expansion plate 4; two supporting rods 503 are arranged, the two supporting rods 503 are respectively and fixedly arranged at two ends of the rotating rod 502, the supporting rods 503 are arranged perpendicular to the rotating rod 502, and the supporting rods 503 are used for supporting the expansion board 4; the rotating handle 504 is rotatably connected with the housing 501, the rotating handle 504 is connected with the rotating rod 502, and the rotating handle 504 is used for driving the rotating rod 502 to rotate. When the extension board 4 is needed to extend the area of the desktop, the first drawing board 2 is firstly adjusted to a position far away from the second drawing board 3 in a sliding mode, then the rotation handle 504 is adjusted to control the rotation of the rotating rod 502, the rotating rod 502 rotates and simultaneously drives the supporting rod 503 to rotate, when the end portion of the supporting rod 503 is abutted to the bottom surface of the extension board 4, the extension board 4 is lifted by supporting the extension board 4 in the rotating mode until the top surface of the extension board 4 is flush with the top surfaces of the first drawing board 2 and the second drawing board 3 respectively, the desktop with a large area is formed and used for drawing, the structure is simple and convenient to achieve the extension of the area of the desktop, and the operation of a user is facilitated.
Specifically, the supporting rod 503 may be replaced by a cam, and the cam is sleeved on the rotating rod 502 and connected with the rotating rod 502 for supporting the extending plate 4 along with the rotation of the rotating rod 502.
Referring to fig. 4, as a specific embodiment of the architectural drawing tool provided by the present invention, a worm 8 is fixedly disposed on a rotating handle 504, a worm wheel 9 is sleeved on a rotating rod 502, the worm wheel 9 is fixedly connected with the rotating rod 502, and the worm wheel 9 is meshed with the worm 8. The handle 504 is rotated to drive the rotation of worm 8, worm 8 and worm wheel 9 mesh, it is rotatory to drive worm wheel 9, worm wheel 9 drives the rotation of dwang 502, dwang 502 drives die-pin 503 and rotates, when die-pin 503 turned to with the bottom surface of expansion board 4 is perpendicular, expansion board 4 reachs the peak (the state of rising promptly), the top surface of expansion board 4 this moment is parallel and level with the top surface of first drawing board 2 and second drawing board 3 respectively, this simple structure, it is stable to adjust, prevent that the desktop from inclining.
As a specific embodiment of the architectural drawing tool provided by the present invention, please refer to fig. 2 to 3, a support rod 10 is disposed at the bottom of the expanding plate 4, one end of the support rod 10 is fixedly connected to the bottom of the expanding plate 4, the other end of the support rod 10 is fixedly connected to the support base 1, and the support rod 10 is a telescopic guide rod. The supporting rod 10 supports the extension plate 4 to slide up and down, so that the extension plate 4 is prevented from shaking left and right, and the stability of the table top in the lifting process is improved.
Specifically, the supporting rod 10 includes a fixing rod 101 and a sliding rod 102, one end of the fixing rod 101 is fixedly connected with the supporting seat 1, a cavity is arranged in the fixing rod 101, the sliding rod 102 is inserted in the cavity and can be slidably adjusted in the vertical direction, and the top end of the sliding rod 102 is fixedly connected with the bottom of the expansion plate 4.
Referring to fig. 2 and 5, a first cavity 11 is disposed in the first drawing board 2, a first air hole 12 is disposed on the first drawing board 2, and the first air hole 12 is communicated with the first cavity 11; a second cavity 13 is arranged in the second drawing plate 3, a second air hole 14 is arranged on the second drawing plate 3, the second air hole 14 is communicated with the second cavity 13, and when the side surface of the first drawing plate 2 is abutted against the side surface of the second drawing plate 3, the second cavity 13 is communicated with the first cavity 11; the expansion plate 4 is internally provided with a third cavity 15, the expansion plate 4 is provided with a third air hole 16, the third air hole 16 is communicated with the third cavity 15, and when the expansion plate 4 is in a lifting state, the third cavity 15 is respectively communicated with the first cavity 11 and the second cavity 13. Can have connect the getter device in the outside of first cavity 11 or second cavity 13, can adsorb the drawing on the desktop through the setting of gas pocket on the desktop, prevent that the drawing from making a round trip to move when drawing, improve drawing efficiency.
As a specific embodiment of the architectural drawing tool provided by the present invention, please refer to fig. 2 to 3, a suction pump 17 is disposed at the bottom of the first drawing board 2, and the suction pump 17 is communicated with the first cavity 11; or the bottom of the second drawing plate 3 is provided with a suction pump 17, which suction pump 17 communicates with the second cavity 13. The suction pump 17 is used for controlling the desk surface to adsorb the drawing conveniently.
Referring to fig. 2 and 5, as an embodiment of the architectural drawing tool of the present invention, a plurality of first air holes 12 are uniformly formed; a plurality of second air holes 14 are uniformly arranged; the third air holes 16 are uniformly provided in plurality. The uniform distribution of the first air hole 12, the second air hole 14 and the third air hole 16 helps to firmly adsorb each position of the drawing, helps to perform drawing operation, and prevents drawing failure caused by deviation of the drawing.
Referring to fig. 1 to 3, the architectural drawing tool further includes a ruler frame 18, one side of the ruler frame 18 is rotatably connected to the first drawing board 2 and the second drawing board 3, respectively, and the ruler frame 18 is a telescopic structure. Before drawing is needed, the grid ruler frame 18 is rotated to a lifted state, after the drawing is laid, the grid ruler frame 18 is rotated to a flat-laid state and is pressed on a desktop, and the grid ruler frame 18 can be pressed on the edge of the drawing to further fix the drawing; the telescopic extension of the frame 18 ensures that the first drawing board 2 and the second drawing board 3 are still usable when slidably adjusting.
As a specific embodiment of the architectural drawing tool provided by the present invention, please refer to fig. 1 to 3, the ruler frame 18 includes a fixed frame 181 and a sliding frame 182, the fixed frame 181 is disposed on the top of the first drawing board 2, one side of the fixed frame 181 is rotatably connected to the first drawing board 2, and a sliding slot is disposed in the fixed frame 181; the sliding frame 182 is disposed on the top of the second drawing board 3, one side of the sliding frame 182 is rotatably connected to the second drawing board 3, and the sliding frame 182 is in sliding fit with the sliding groove. By adopting the structure, the telescopic adjustment of the ruler frame 18 is realized, the structure is simple, and the manufacturing cost is reduced.
As a specific embodiment of the architectural drawing tool provided by the present invention, please refer to fig. 1, a horizontal ruler 19 and a vertical ruler 20 are arranged on the ruler frame 18, two ends of the horizontal ruler 19 are respectively connected with the ruler frame 18 in a sliding manner, and the horizontal ruler 19 is parallel to the length direction of the ruler frame 18; two ends of the vertical ruler 20 are respectively connected with the ruler frame 18 in a sliding way, and the vertical ruler 20 is vertical to the horizontal ruler 19. Drawing has strict requirements on the size, the arrangement of the horizontal ruler 19 and the vertical ruler 20 does not require students to frequently take and place the ruler, the ruler rack 18 can be put down to draw when the ruler is used, and the ruler rack 18 can be rotated to a lifting state when the ruler is not used.
Specifically, the horizontal ruler 19 is of a telescopic structure, the sliding ruler 21 is arranged in the horizontal ruler 19 in a sliding fit mode so as to adapt to sliding adjustment of the first drawing board and the second drawing board, scales are also arranged on the sliding ruler, one end of the sliding ruler 21 is connected with the grid ruler frame 18 in a sliding mode along the width direction of the grid ruler frame 18, and the other end of the sliding ruler 21 is connected with the horizontal ruler 19 in a sliding mode along the length direction of the grid ruler frame 18.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. Architectural drawing implement, characterized by comprising:
a supporting seat;
the first drawing board is arranged at the top of the supporting seat and is in sliding fit with the supporting seat;
the second drawing board is arranged at the top of the supporting seat and positioned on one side of the first drawing board, the second drawing board is in sliding fit with the supporting seat, the top surface of the second drawing board is flush with the top surface of the first drawing board, and when the first drawing board and the second drawing board slide to preset positions in a reverse direction, an expansion space is formed between the first drawing board and the second drawing board;
the expansion plate is connected with the supporting seat in a sliding mode and used for being placed in the expansion space, and the expansion plate is arranged on the lower portions of the first drawing plate and the second drawing plate; and
and the lifting device is connected with the supporting seat and is used for controlling the lifting of the expansion plate.
2. The architectural drawing tool of claim 1 wherein said elevating means comprises:
the shell is fixedly arranged on the supporting seat and is positioned at the bottom of the expansion plate;
the rotating rod penetrates through the shell and is rotatably connected with the shell, and the rotating rod is arranged in parallel with the bottom surface of the expansion plate;
two support rods are arranged and are respectively fixedly arranged at two ends of the rotating rod, the support rods are arranged perpendicular to the rotating rod and are used for supporting the expansion plate; and
the rotating handle is connected with the shell in a rotating mode, the rotating handle is connected with the rotating rod, and the rotating handle is used for driving the rotating rod to rotate.
3. The architectural drawing tool of claim 2, wherein a worm is fixedly arranged on the rotating handle, a worm wheel is sleeved on the rotating rod, the worm wheel is fixedly connected with the rotating rod, and the worm wheel is meshed with the worm.
4. The architectural drawing tool of claim 1, wherein a support rod is disposed at the bottom of the expansion plate, one end of the support rod is fixedly connected to the bottom of the expansion plate, the other end of the support rod is fixedly connected to the support base, and the support rod is a telescopic guide rod.
5. The architectural drawing tool of claim 1 wherein a first cavity is provided in said first drawing plate, a first air vent is provided in said first drawing plate, said first air vent communicating with said first cavity;
a second cavity is arranged in the second drawing plate, a second air hole is formed in the second drawing plate, the second air hole is communicated with the second cavity, and when the side face of the first drawing plate is abutted against the side face of the second drawing plate, the second cavity is communicated with the first cavity;
the expansion plate is internally provided with a third cavity, the expansion plate is provided with a third air hole, the third air hole is communicated with the third cavity, and when the expansion plate is in a lifting state, the third cavity is respectively communicated with the first cavity and the second cavity.
6. The architectural drawing tool of claim 5 wherein a suction pump is provided at the bottom of said first drawing plate, said suction pump communicating with said first cavity;
or the bottom of the second drawing board is provided with a suction pump which is communicated with the second cavity.
7. The architectural drawing tool of claim 5 wherein said first plurality of air holes are uniformly provided; a plurality of second air holes are uniformly formed; the third air holes are uniformly arranged in a plurality.
8. The architectural drawing tool of claim 1 further comprising a ruler holder, one side of said ruler holder being pivotally connected to said first drawing board and said second drawing board, respectively, said ruler holder being of a telescopic construction.
9. The architectural drawing tool of claim 8 wherein said ruler frame comprises:
the fixing frame is arranged at the top of the first drawing plate, one side of the fixing frame is rotatably connected with the first drawing plate, and a sliding groove is formed in the fixing frame; and
the sliding frame is arranged at the top of the second drawing board, one side of the sliding frame is rotatably connected with the second drawing board, and the sliding frame is in sliding fit with the sliding groove.
10. The architectural drawing tool of claim 8, wherein a horizontal ruler and a vertical ruler are arranged on the ruler frame, two ends of the horizontal ruler are respectively connected with the ruler frame in a sliding way, and the horizontal ruler is parallel to the length direction of the ruler frame;
the two ends of the vertical ruler are respectively connected with the grid ruler frame in a sliding mode, and the vertical ruler is perpendicular to the transverse ruler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911284220.0A CN111038151B (en) | 2019-12-13 | 2019-12-13 | Drawing appliance for building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911284220.0A CN111038151B (en) | 2019-12-13 | 2019-12-13 | Drawing appliance for building |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111038151A true CN111038151A (en) | 2020-04-21 |
| CN111038151B CN111038151B (en) | 2024-10-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911284220.0A Active CN111038151B (en) | 2019-12-13 | 2019-12-13 | Drawing appliance for building |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111038151B (en) |
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| CN207173127U (en) * | 2017-05-06 | 2018-04-03 | 北京七视野文化创意发展有限公司 | Perspective view drawing instrument |
| CN207532112U (en) * | 2017-05-19 | 2018-06-26 | 重庆市九龙坡职业教育中心 | A kind of automation drawing table |
| CN209666691U (en) * | 2018-03-09 | 2019-11-22 | 延安大学 | A kind of Mathematical Statistics Analysis coordinatometer |
| CN109017034A (en) * | 2018-08-02 | 2018-12-18 | 安徽申泉化工有限公司 | A kind of self-priming college English Teaching mutually employs display board |
| CN208993360U (en) * | 2018-09-21 | 2019-06-18 | 南阳理工学院 | A kind of Environment Design plotting unit |
| CN211641608U (en) * | 2019-12-13 | 2020-10-09 | 河北工业职业技术学院 | Drawing appliance for building |
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