Drawing table and combined table special for building college

Abstract

The utility model discloses a special drawing table for a building college and a combined table, and belongs to the technical field of drawing tables. The table comprises a table top, a table body, a supporting assembly and a telescopic assembly, the table top comprises a trapezoidal table board, two triangular table boards and hinges, the two triangular table boards are connected with the waist of the trapezoidal table board through the hinges, the triangular table boards have a parallel position and a vertical position relative to the trapezoidal table board, and the triangular table boards are arranged at the parallel position and the vertical position respectively. The two triangular table plates and the trapezoidal table plate are arranged in a coplanar mode to form a rectangular panel, and the triangular table plates are perpendicular to the trapezoidal table plate in the vertical position; the table body comprises a bearing plate, the edge of the bearing plate is hinged to the lower bottom of the trapezoidal table plate, and the orthographic projection of the bearing plate relative to the trapezoidal table plate is located in the trapezoidal table plate. According to the drawing table, more diversified combination modes can be provided for the drawing table, so that the drawing table has wider application, and the school efficiency and the teaching efficiency are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of drawing tables, in particular to a special drawing table and a combination table for architecture schools. Background Art

[0002] Architectural design refers to the process in which the designer expresses the building's usable space and design features in the form of drawings and text according to the client's requirements before the building is constructed.

[0003] The drawing table is a teaching tool used in the fields of art creation and engineering drawing. It is widely used in the teaching process of various architectural colleges, especially in the teaching of architecture and urban and rural planning majors, playing a vital role.

[0004] Existing drafting tables are mostly standalone, with fixed, unadjustable tilt angles and large space requirements. Furthermore, existing drafting tables are assembled in a limited manner, failing to meet the needs of group discussions, critiques, and exhibitions. Teaching, learning, discussion, practice, and exhibition scenarios are all separate and fragmented, resulting in low learning and teaching efficiency. Utility Model Content

[0005] In view of this, it is necessary to provide a special drawing table and a combination table for architecture schools to solve the problems of existing drawing tables that the inclination angle cannot be adjusted, the space occupied is large and the combination method is single.

[0006] In a first aspect, the present invention provides a special drafting table for use in an architecture school, comprising:

[0007] A tabletop comprising a trapezoidal tabletop, two triangular tabletops, and a hinge, wherein the two triangular tabletops are respectively connected to the waist of the trapezoidal tabletop via the hinges, and the triangular tabletops have a parallel position and a perpendicular position relative to the trapezoidal tabletop. In the parallel position, the two triangular tabletops are coplanar with the trapezoidal tabletop to form a rectangular panel. In the perpendicular position, the triangular tabletops are perpendicular to the trapezoidal tabletop.

[0008] A table body, the table body comprising a supporting plate, the edge of the supporting plate being hinged to the lower bottom of the trapezoidal table top, and the orthographic projection of the supporting plate relative to the trapezoidal table top being located in the trapezoidal table top;

[0009] A support assembly is provided between the trapezoidal table top and the supporting plate, wherein the support assembly is capable of adjusting the angle between the trapezoidal table top and the supporting plate;

[0010] The telescopic component is arranged at the upper bottom of the trapezoidal table top, and the telescopic component can clamp and hang drawings of different sizes.

[0011] Furthermore, the hinge is a hinge that can be folded 90 degrees and self-locked.

[0012] Furthermore, the support assembly includes a snap-in slot body and a support rod, the snap-in slot body is embedded in the support plate, one end of the support rod is hinged to the trapezoidal table top, and the projection of the support rod relative to the snap-in slot body always coincides with the snap-in slot body; the other end of the support rod abuts against the snap-in slot body to support the trapezoidal table top and adjust the angle of the trapezoidal table top relative to the support plate.

[0013] Furthermore, a plurality of blocking teeth are provided in the clamping slot body, the blocking teeth are fixedly connected to the clamping slot body and are arranged along the extension direction of the clamping slot body, and the other end of the support rod can abut against any of the blocking teeth.

[0014] Furthermore, an elastic member is provided between the trapezoidal table top and the supporting plate, and both ends of the elastic member are respectively connected to the trapezoidal table top and the supporting plate, and the elastic member has a force for driving the trapezoidal table top to move relative to the supporting plate.

[0015] Furthermore, the telescopic assembly includes an extendable telescopic unit and a clamping member, and both ends of the telescopic unit are respectively connected to the upper and bottom parts of the trapezoidal table top and the clamping member, and the clamping member can clamp the drawings.

[0016] Furthermore, the telescopic unit includes a sliding sleeve and a first extension rod. The sliding sleeve is fixedly connected to the trapezoidal table top, and the first extension rod is slidably inserted into the sliding sleeve.

[0017] Furthermore, the telescopic unit also includes a second extension rod and a locking piece, one end of the second extension rod is rotatably connected to the end of the first extension rod away from the sliding sleeve through the locking piece, the clamping piece is arranged at the end of the second extension rod away from the first extension rod, and the locking piece can lock the first extension rod and the second extension rod.

[0018] Furthermore, the table body also includes two support plates and a storage plate arranged between the two support plates. The sides of the two support plates are connected to each other, the bottom of the supporting plate is respectively connected to the top of the two support plates, and the two sides of the storage plate are respectively connected to the two support plates. The storage plate and the two support plates enclose a storage space for storing drawing supplies.

[0019] In the second aspect, the utility model provides a combination table, including the special drawing table for architectural schools, wherein the angle between the trapezoidal table top and the supporting plate is 0°, and the triangular table top is arranged perpendicular to the trapezoidal table top; the waists of multiple adjacent trapezoidal table tops are linearly connected to form a long combination table, or the waists of multiple trapezoidal table tops are connected to each other to form a ring-shaped combination table.

[0020] Compared with the prior art, the present invention has the following beneficial effects:

[0021] (1) The utility model is a special drawing table and a combination table for architecture schools, which are provided with a desktop. The desktop includes a trapezoidal table top, two triangular table tops and a hinge. The two triangular table tops are respectively connected to the waist of the trapezoidal table top through the hinge. The triangular table tops can be rotated and folded relative to the waist of the trapezoidal table top. The triangular table tops have a parallel position and a vertical position relative to the trapezoidal table top. In the parallel position, the two triangular table tops are arranged coplanar with the trapezoidal table top. The triangular table tops can fill the defects at the two corners of the trapezoidal table top, so that the desktop as a whole becomes a regular rectangular panel, which can facilitate the normal placement and drawing of drawings. In the vertical position, the triangular table top is arranged perpendicular to the trapezoidal table top, forming a trapezoidal desktop consistent with the trapezoidal table top, reducing the shape of the desktop and compressing the space occupied by the drawing table. At the same time, different combination and assembly forms are given to the desktop, which expands the application scenarios of the drawing table and improves school efficiency and teaching efficiency.

[0022] (2) The utility model provides a special drawing table and a combination table for architecture schools, which are provided with a support assembly, which is arranged between the trapezoidal table top and the supporting plate. The support assembly can adjust the angle between the trapezoidal table top and the supporting plate and lock the trapezoidal table top. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of this application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:

[0024] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0025] Figure 2 This is a schematic diagram of the connection structure between the desktop, the supporting plate and the supporting assembly in the present invention;

[0026] Figure 3 It is a structural diagram of the telescopic component in the utility model;

[0027] Figure 4 This is a structural diagram of the first extension rod in the utility model;

[0028] Figure 5 This is a schematic diagram of the structure of the drawing table combination in the utility model Figure 1 ;

[0029] Figure 6 This is a schematic diagram of the structure of the drawing table combination in the utility model Figure 2 ;

[0030] Figure 7 This is a schematic diagram of the structure of the drawing table combination in the utility model Figure 3 .

[0031] In the figure, 100, table top; 110, trapezoidal table top; 120, triangular table top; 130, hinge;

[0032] 200, table body; 210, supporting plate; 220, supporting plate; 230, storage plate;

[0033] 300, support assembly; 310, snap-fitting slot; 311, blocking tooth; 320, support rod; 330, elastic member;

[0034] 400, telescopic assembly; 410, telescopic unit; 411, sliding sleeve; 412, first extension rod; 412a, spring fixing lock; 413, second extension rod; 414, locking member; 420, clamping member. DETAILED DESCRIPTION

[0035] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings, wherein the accompanying drawings constitute a part of this application and are used together with the embodiments of the present invention to illustrate the principles of the present invention, and are not used to limit the scope of the present invention.

[0036] The present embodiment provides a special drafting table and a combination table for architecture schools, which relate to the technical field of drafting tables. The tabletop 100 of the drafting table is divided into a trapezoidal tabletop 110 and two triangular tabletops 120, so that the tabletop 100 has both trapezoidal and rectangular forms. This can reduce the space occupied by the tabletop 100 and provide the drafting table with more diverse combinations, allowing the drafting table to have a wider range of applications and improving school efficiency and teaching efficiency.

[0037] See also Figures 1 to 7 This embodiment of a drafting table for architecture schools includes a tabletop 100, a table body 200, a support assembly 300, and a telescopic assembly 400. The tabletop 100 can be transformed into various shapes, allowing for various assembly configurations. The table body 200 provides a connection base for the tabletop 100 and elevates it. The support assembly 300 adjusts the angle between the tabletop and the table body 200. The telescopic assembly 400 holds drawings in place to prevent them from loosening and slipping.

[0038] The table top 100 includes a trapezoidal table top 110, two triangular table tops 120 and a hinge 130. The two triangular table tops 120 are respectively connected to the waist of the trapezoidal table top 110 through the hinge 130. The triangular table top 120 can be rotated and folded relative to the waist of the trapezoidal table top 110. The triangular table top 120 has a parallel position and a vertical position relative to the trapezoidal table top 110. In the parallel position, the two triangular table tops 120 are arranged coplanar with the trapezoidal table top 110. The triangular table top 120 can fill the defects at the two corners of the trapezoidal table top 110, so that the table top 100 as a whole becomes a regular rectangular panel, which can facilitate the normal placement and drawing of drawings. In the vertical position, the triangular table top 120 is arranged perpendicular to the trapezoidal table top 110, forming a trapezoidal table top 100 consistent with the trapezoidal table top 110, reducing the shape of the table top 100 and compressing the space occupied by the drawing table. At the same time, the desktop can be assembled in 100 different combinations, which expands the application scenarios of the drawing table and improves school efficiency and teaching efficiency.

[0039] The table body 200 includes a support plate 210, the edge of which is hinged to the bottom of the trapezoidal table top 110. The table top 100 can rotate relative to the support plate 210, allowing the table top 100 to be adjusted relative to the support plate 210 to better suit drawing requirements. It also facilitates the assembly of drawing tables, expanding their application scenarios.

[0040] The support plate 210 is located in the trapezoidal table top 110 relative to its orthographic projection. The size and dimensions of the support plate 210 are smaller than those of the support plate 210. The support plate 210 cannot interfere with the assembly and combination of different tabletops 100, ensuring that the drawing table can be used normally.

[0041] The support assembly 300 is disposed between the trapezoidal table top 110 and the supporting plate 210 . The support assembly 300 can adjust the angle between the trapezoidal table top 110 and the supporting plate 210 and lock the trapezoidal table top 110 .

[0042] The telescopic component 400 is arranged at the upper bottom of the trapezoidal table top 110. The telescopic component 400 can be relatively telescopic, so that the telescopic component 400 can adapt to drawings of different sizes and clamp and hang the drawings.

[0043] In some embodiments, see Figure 1 and Figure 2 The hinge 130 is a 90° foldable, self-locking hinge 130. The hinge 130 is selected from the Kabe special heavy-duty hinge 130, which can rotate 90° or 180° and achieve self-locking. Any other hinge 130 that can achieve 90° folding and self-locking can replace the hinge 130 in this application. The Kabe special heavy-duty hinge 130 is not considered to limit the hinge 130.

[0044] In practice, hinge 130 is located on the back of tabletop 100. Its two movable sections connect to trapezoidal tabletop 110 and triangular tabletop 120, respectively. In a parallel position, the two movable sections are positioned at a 180° angle relative to each other, with the waist of trapezoidal tabletop 110 and the hypotenuse of triangular tabletop 120 completely abutting, forming a complete rectangular panel. In a vertical position, the two movable sections are positioned at a 90° angle relative to each other, with triangular tabletop 120 positioned perpendicular to and on the back of trapezoidal tabletop 110.

[0045] As a further embodiment, the triangular table top 120 also has a parallel position relative to the trapezoidal table top 110. In the parallel position, the two movable parts are set at a relative angle of 0°, and the surface of the triangular table top 120 is completely in contact with the trapezoidal table top 110. The hypotenuse of the triangular table top 120 and the waist of the trapezoidal table top 110 are in the same plane, which can prevent the triangular table top 120 from interfering with the assembly of different drawing tables, ensure the tightness and integrity of the assembly, and avoid gaps in the assembled table top 100, which affects the manual drawing of the drawings.

[0046] In some embodiments, see Figures 2 to 4 The support assembly 300 includes a slot 310 and a support rod 320. The slot 310 is embedded in the support plate 210. One end of the support rod 320 is hinged to the trapezoidal table top 110. The support rod 320 can rotate relative to the hinge. The projection of the support rod 320 relative to the slot 310 always coincides with the slot 310, and the support rod 320 and the slot 310 always lie in the same plane. The other end of the support rod 320 abuts the slot 310. Regardless of how the support rod 320 rotates, the support rod 320 maintains contact with the slot 310. One end of the support rod 320 is hinged to the trapezoidal table top 110, while the other end abuts the slot 310. This allows users to flexibly adjust the angle between the trapezoidal table top 110 and the support plate 210 to accommodate different drawing postures and needs, improving drawing comfort and accuracy.

[0047] A triangular support structure is formed between the support rod 320 , the snap-fitting slot 310 and the trapezoidal table top 110 , thereby ensuring the stability of the table top 100 after the angle is adjusted and improving the safety of use.

[0048] As a further embodiment, the engaging slot 310 is provided with a plurality of blocking teeth 311. The blocking teeth 311 are fixedly connected to the engaging slot 310 and arranged along the extending direction of the engaging slot 310. The user can precisely adjust between multiple fixed angles as needed, thereby achieving multi-angle support for the trapezoidal table top 110 to meet different drawing or work requirements. The blocking teeth 311 are fixedly connected to the engaging slot 310, and the other end of the support rod 320 abuts the blocking teeth 311, forming a solid support structure that effectively prevents the support rod 320 from sliding or dislocating during use, ensuring that the table top 100 remains stable after the angle is adjusted, and enhancing user safety.

[0049] In addition, the blocking teeth 311 provide a clear resistance point, so that the support rod 320 can be accurately locked into a specific angle during the adjustment process, avoiding instability or undesirable tilt of the desktop 100 due to sliding or angle error.

[0050] It should be noted that a U-shaped frame is provided on the back of the trapezoidal table top 110 and is fixedly connected to the trapezoidal table top 110. When the angle between the trapezoidal table top 110 and the support plate 210 is 0°, the U-shaped frame can be inserted into the snap-fit ​​groove 310, preventing the U-shaped frame from interfering with the angle adjustment of the trapezoidal table top 110. One end of the support rod 320 is hinged to the U-shaped frame, and the U-shaped frame can serve as a connecting medium to assist in the connection between the support rod 320 and the trapezoidal table top 110.

[0051] In some embodiments, see Figure 2 An elastic member 330 is provided between the trapezoidal table top 110 and the supporting plate 210. The two ends of the elastic member 330 are respectively connected to the trapezoidal table top 110 and the supporting plate 210. The elastic member 330 is specifically a tension spring. The elastic member 330 provides an additional auxiliary force, which can produce an effect opposite to the support rod 320, hindering the trapezoidal table top 110 from rotating relatively away from the supporting plate 210, thereby preventing the trapezoidal table top 110 from flipping and falling.

[0052] In addition, when the user releases the support rod 320, the elastic member 330 may automatically restore the table top to a position where the angle between the trapezoidal table top 110 and the support plate 210 is 0°, making the support device relatively stable, reducing manual operation steps, and simplifying the use process.

[0053] In some embodiments, see Figure 3 and Figure 4The telescopic assembly 400 includes an extendable telescopic unit 410 and a clamping member 420. The two ends of the telescopic unit 410 are respectively connected to the upper and bottom parts of the trapezoidal table top 110 and the clamping member 420. The telescopic unit 410 can be relatively extended, and the extension amount of the telescopic unit 410 can be adjusted according to the size of A1, A2, A3 or A4 drawings, so that the clamping member 420 can just clamp the edge of the drawing, so that the drawing table can flexibly adapt to various drawing requirements, solving the problem that a single-size clamp cannot meet the requirements of different drawings.

[0054] The clamping member 420 is specifically a spring-loaded clamp that securely holds the drawing from its side. During use, there are at least two spring-loaded clamps, each providing a secure point for the drawing. The combination of at least two secure points further strengthens the stability of the drawing relative to the desktop 100, preventing the drawing from slipping during the drawing process.

[0055] It's important to note that the spring clamp is made of acrylic sheet. The acrylic sheet's excellent transparency minimizes interference with vision, allowing users to clearly view the drawing without being obstructed by the clamp.

[0056] Acrylic sheet material has high impact resistance and wear resistance, can withstand the friction and pressure in daily use, and increase the service life of the fixture.

[0057] Acrylic sheets have a lower density and are lighter than metal clamps, making them easier to move and operate, reducing the burden during use.

[0058] In some embodiments, please refer to Figure 3 and Figure 4 The telescopic unit 410 includes a sliding sleeve 411 and a first extension rod 412. The sliding sleeve 411 is fixedly connected to the trapezoidal table 110, and the first extension rod 412 is slidably inserted into the sliding sleeve 411. The first extension rod 412 can be slidably inserted within the sliding sleeve 411, and the length of the extension rod can be adjusted as needed to accommodate drawings or materials of different sizes. The sliding sleeve 411 is fixed to the trapezoidal table 110, ensuring the overall stability of the telescopic assembly 400. As a fixed connection component, the sliding sleeve 411 can reduce shaking or instability of the extension rod during use, ensuring the stability of the drawings or materials during the clamping process.

[0059] The first extension rod 412 can move relatively in the sliding sleeve 411, making the extension and retraction process smooth and unobstructed, reducing friction and jamming, improving the convenience of adjustment, and allowing the user to easily adjust the position and length of the drawing clamp.

[0060] It should be noted that a spring fixed lock 412a is provided at one end of the first extension rod 412 relative to the sliding sleeve 411. The spring fixed lock 412a includes a lock body inserted in the sliding sleeve 411, two abutting heads and a spring. The lock body is fixedly connected to the first extension rod 412, and the two abutting heads are movably inserted in the lock body. One end of the abutting head abuts against the inner wall of the sliding sleeve 411, and the two ends of the spring are respectively connected to the ends of the two abutting heads away from the sliding sleeve 411. The spring has a force to drive the two abutting heads to move relative to the sliding sleeve 411. The spring can enhance the friction between the abutting head and the sliding sleeve 411, enhance the sliding damping of the first extension rod 412 relative to the sliding sleeve 411, so that the first extension rod 412 can stop and lock relatively at a predetermined position relative to the sliding sleeve 411, thereby preventing the first extension rod 412 from moving relative to the sliding sleeve 411 during use and interfering with the drawing process.

[0061] In some embodiments, see Figure 3 and Figure 4 The telescopic unit 410 further includes a second extension rod 413 and a locking member 414. One end of the second extension rod 413 is pivotally connected to the end of the first extension rod 412 away from the sliding sleeve 411 via the locking member 414. The second extension rod 413 has an extended position and a retracted position relative to the first extension rod 412. In the extended position, the second extension rod 413 and the first extension rod 412 are collinear and at an angle of 180°, further extending the telescopic unit 410. In the retracted position, the second extension rod 413 and the first extension rod 412 are collinear and at an angle of 0°, and the second extension rod 413 is stored within the first extension rod 412, reducing the space occupied by the second extension rod 413 and the first extension rod 412.

[0062] The clamping member 420 is arranged at the end of the second extension rod 413 away from the first extension rod 412. The clamping member 420 is located at the far end of the telescopic unit 410 relative to the desktop 100. The clamping member 420 can stably clamp the drawings to prevent the drawings from slipping during use.

[0063] In one embodiment, the locking member 414 is capable of locking the first extension rod 412 and the second extension rod 413. The locking member 414 is a bolt that is inserted into the first extension rod 412 and the second extension rod 413. The connection between the first extension rod 412 and the second extension rod 413 can be tightened or loosened by loosening the bolt. When the bolt is relatively tightened, the second extension rod 413 can be fixed in the extended position or the retracted position of the first extension rod 412. When the bolt is relatively loosened, the connection between the second extension rod 413 and the first extension rod 412 can be loosened, allowing the second extension rod 413 to rotate relative to the first extension rod 412, thereby adjusting the second extension rod 413 to switch between the extended position and the retracted position.

[0064] As another embodiment, the locking member 414 can lock the first extension rod 412 and the second extension rod 413. The locking member 414 is a pin with a square cross-section. Square holes are provided on the first extension rod 412 and the second extension rod 413. The pin is inserted into the square holes. By pulling out the pin, the position of the second extension rod 413 relative to the first extension rod 412 can be adjusted so that the second extension rod 413 is in an extended position or a retracted position. By inserting the pin, the second extension rod can be locked.

[0065] In some embodiments, see Figure 5 The table body 200 also includes two support plates 220 and a storage plate 230 arranged between the two support plates 220. The sides of the two support plates 220 are connected to each other, and the bottom of the supporting plate 210 is respectively connected to the top of the two support plates 220 to form a relatively stable table body 200 structure. The support plate 220 can not only lift the height of the supporting plate 210, but also provide stable support for the supporting plate 210.

[0066] The two sides of the storage plate 230 are connected to the two support plates 220, respectively. The storage plate 230 and the two support plates 220 enclose a storage space for drawing supplies. This allows the drawing table to be used for more than just drawing; it also provides a convenient storage area. This design effectively utilizes the space within the table body 200 and enhances overall functionality.

[0067] During implementation, insertion slots are provided on opposite sides of the support plate 220, and both sides of the storage plate 230 are simultaneously inserted into the insertion slots, thereby securing the support plate 220 to the storage plate 230. The storage plate 230 not only provides storage but also further strengthens the connection between the two support plates 220, thereby enhancing the structural stability of the entire table body 200, making the table body 200 more durable and able to withstand greater loads.

[0068] This embodiment provides a combination table, including multiple special drafting tables for architecture schools, which can be combined in various ways:

[0069] As one of the combinations, see Figure 5 The triangular table top 120 is parallel to the trapezoidal table top 110, and the triangular table top 120 is coplanar with the trapezoidal table top 110. The trapezoidal table top 110 can be at any angle relative to the support plate 210. Different drawings are placed on multiple tabletops 100, and students sitting next to each other can facilitate discussion and learning.

[0070] As one of the combinations, see Figure 6 When the angle between the trapezoidal table top 110 and the supporting plate 210 is 0°, the triangular table top 120 is in a vertical position relative to the trapezoidal table top 110. The triangular table top 120 is arranged vertically relative to the trapezoidal table top 110. The waists of the adjacent trapezoidal table tops 110 are butted together. The upper and lower parts of the adjacent trapezoidal table tops 110 are arranged facing each other. The waists of the trapezoidal table tops 110 are butted together to form a linear long combination table. Compared with Figure 5 In the combination mode, the width of the long combination table is greatly expanded, so that the long combination table can be used to place A0 drawings, which can also facilitate the display of drawings and is conducive to the teaching process.

[0071] As one of the combinations, see Figure 7 The triangular table top 120 is in a vertical position relative to the trapezoidal table top 110. The triangular table top 120 is arranged vertically relative to the trapezoidal table top 110. The adjacent multiple trapezoidal table tops 110 are arranged around a center point. The waists of the adjacent multiple trapezoidal table tops 110 are docked to form a ring-shaped combination table. Students can gather around the ring-shaped combination table, which is conducive to teachers commenting on and teaching the drawings.

[0072] The above description is only a preferred specific implementation of the present invention, but the scope of protection of the present invention is not limited thereto. Any changes or replacements that can be easily thought of by any technician familiar with this technical field within the technical scope disclosed in the present invention should be covered by the present invention.

Claims

1. A special drawing table for architectural schools, characterized in that: include: A tabletop comprising a trapezoidal tabletop, two triangular tabletops, and a hinge, wherein the two triangular tabletops are respectively connected to the waist of the trapezoidal tabletop via the hinges, and the triangular tabletops have a parallel position and a perpendicular position relative to the trapezoidal tabletop. In the parallel position, the two triangular tabletops are coplanar with the trapezoidal tabletop to form a rectangular panel. In the perpendicular position, the triangular tabletops are perpendicular to the trapezoidal tabletop. A table body, the table body comprising a supporting plate, the edge of the supporting plate being hinged to the lower bottom of the trapezoidal table top, and the orthographic projection of the supporting plate relative to the trapezoidal table top being located in the trapezoidal table top; A support assembly is provided between the trapezoidal table top and the supporting plate, wherein the support assembly is capable of adjusting the angle between the trapezoidal table top and the supporting plate; The telescopic component is arranged at the upper bottom of the trapezoidal table top, and the telescopic component can clamp and hang drawings of different sizes.

2. A special drafting table for architecture schools according to claim 1, characterized in that: The hinge is a hinge that can be folded 90 degrees and self-locked.

3. The special drafting table for architecture schools according to claim 1, characterized in that: The support assembly includes a snap-in slot body and a support rod. The snap-in slot body is embedded in the support plate. One end of the support rod is hinged to the trapezoidal table top. The projection of the support rod relative to the snap-in slot body always coincides with the snap-in slot body. The other end of the support rod abuts against the snap-in slot body to support the trapezoidal table top and adjust the angle of the trapezoidal table top relative to the support plate.

4. The special drafting table for architecture schools according to claim 3, characterized in that: A plurality of blocking teeth are provided in the clamping slot body. The blocking teeth are fixedly connected to the clamping slot body and are arranged along the extension direction of the clamping slot body. The other end of the support rod can abut against any of the blocking teeth.

5. A special drafting table for architecture schools according to claim 3 or 4, characterized in that: An elastic member is provided between the trapezoidal table top and the supporting plate, and both ends of the elastic member are respectively connected to the trapezoidal table top and the supporting plate. The elastic member has a force for driving the trapezoidal table top to move relative to the supporting plate.

6. The special drafting table for architecture schools according to claim 1, characterized in that: The telescopic assembly includes an extendable telescopic unit and a clamping member. The two ends of the telescopic unit are respectively connected to the upper and bottom parts of the trapezoidal table top and the clamping member. The clamping member can clamp the drawings.

7. The special drafting table for architecture schools according to claim 6, characterized in that: The telescopic unit includes a sliding sleeve and a first extension rod. The sliding sleeve is fixedly connected to the trapezoidal table top, and the first extension rod is slidably inserted into the sliding sleeve.

8. The special drafting table for architecture schools according to claim 7, characterized in that: The telescopic unit also includes a second extension rod and a locking piece. One end of the second extension rod is rotatably connected to the end of the first extension rod away from the sliding sleeve through the locking piece. The clamping piece is arranged at the end of the second extension rod away from the first extension rod. The locking piece can lock the first extension rod and the second extension rod.

9. The special drafting table for architecture schools according to claim 1, characterized in that: The table body also includes two support plates and a storage plate arranged between the two support plates. The sides of the two support plates are connected to each other, the bottom of the supporting plate is respectively connected to the top of the two support plates, and the two sides of the storage plate are respectively connected to the two support plates. The storage plate and the two support plates enclose a storage space for storing drawing supplies.

10. A combination table, characterized in that: It comprises a special drawing table for architecture schools as described in any one of claims 1 to 9, wherein the angle between the trapezoidal table top and the supporting plate is 0°, and the triangular table top is arranged perpendicular to the trapezoidal table top; the waists of multiple adjacent trapezoidal table tops are linearly connected to form a long combination table, or the waists of multiple trapezoidal table tops are connected to each other to form a ring-shaped combination table.

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