Portable folding chart table and chair

Abstract

The utility model discloses a portable folding chart table and chair, and belongs to the technical field of chart tables. According to the technical scheme, a silica gel table mat is arranged above a stainless steel plate table top, and a stainless steel pipe keel is arranged below the stainless steel plate table top; a plurality of stainless steel square legs are rotatably connected with the stainless steel pipe keel; the stainless steel folding accessories A are rotatably connected with the stainless steel square legs; the stainless steel folding accessory B is rotatably connected with the stainless steel pipe keel; the stainless steel folding accessory A is rotatably connected with the stainless steel folding accessory B; double square steel cross bearings for supporting are arranged between the stainless steel square legs; the drawing bracket is rotatably connected with the stainless steel pipe keel; the beneficial effects of the utility model are that: the utility model has obvious advantages in the aspects of portability, adaptability and stability, durability and aesthetics, functional richness, easy maintenance, user experience and the like, and provides more convenient, efficient and safe support for navigation activities such as navigation teaching, route planning and the like.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of chart table, especially relates to a portable folding chart table and chair. BACKGROUND

[0002] The chart table is a special table set in the chart room or the driver's room, used for storing charts, chronometers, navigation logs and conducting chart operations. The chart chair is a chair used with the chart table, which is convenient for sailors to work while sitting when conducting chart operations or planning routes. The chart table and chair are widely used in ship management, route planning, maritime safety monitoring and other fields. In the ship's driver's room, sailors can use the chart table and chair to design routes, conduct chart operations, analyze weather, etc. In addition, the chart table and chair are also suitable for marine scientific research, education and training, etc. to provide convenient and comfortable working environment for relevant personnel.

[0003] The traditional chart table and chair have deficiencies in many aspects, especially in portability, adaptability and durability.

[0004] Insufficient portability: The traditional chart table and chair are often bulky and not easy to fold, making it inconvenient to carry. In the case of frequent movement or use in different teaching scenarios such as outdoor teaching and sea teaching, this inconvenience is particularly prominent. Due to the large size, the traditional chart table and chair may even be unable to enter some cabins, limiting their application in specific scenarios such as sea teaching.

[0005] Weak adaptability: The design of the traditional chart table and chair is often fixed and lacks sufficient flexibility. For example, in sea teaching, due to the rocking of the ship, the traditional chart table and chair may be difficult to maintain stability, affecting the teaching effect. In addition, the traditional chart table and chair usually do not have the function of adjusting the position or fixing mode according to the actual needs, further limiting their adaptability.

[0006] Durability needs to be improved: The traditional chart table and chair are prone to rust in humid environments, reducing the service life. Especially in sea teaching, due to high humidity and high salt content, the metal parts of the traditional chart table and chair are more susceptible to corrosion. In addition, the legs of the traditional chart table and chair often lack sufficient anti-skid and anti-wear design, leading to sliding or damaging the ground during use. INVENTION CONTENTS

[0007] In order to solve the problems existing in the prior art, the utility model provides a portable folding chart table and chair, which has a folding function and can greatly reduce the volume, facilitating carrying and storage. At the same time, by using rust-proof materials such as stainless steel and anti-skid, anti-wear design, the durability and stability of the table and chair are improved. In addition, the table and chair also have innovative designs such as slidable anchor and heavy safety buckle, further enhancing their adaptability and practicality.

[0008] To achieve the above object, the utility model provides the following technical scheme:

[0009] A portable folding chart table and chair, including chart table and chart chair, chart table includes:

[0010] Stainless steel plate table top, the upper portion is equipped with silica gel table pad, the lower portion of stainless steel plate table top is equipped with stainless steel pipe keel;

[0011] A plurality of stainless steel square legs are rotatably connected with the stainless steel pipe keel;

[0012] Stainless steel folding accessory A is rotatably connected with the stainless steel square leg;

[0013] Stainless steel folding accessory B is rotatably connected with the stainless steel pipe keel;

[0014] Stainless steel folding accessory A is rotatably connected with the stainless steel folding accessory B;

[0015] Between the stainless steel square legs, double square steel cross supports for supporting are arranged;

[0016] Drawing support is rotatably connected with the stainless steel pipe keel;

[0017] The chart chair includes:

[0018] Fixed rod is fixedly connected with the multilayer board;

[0019] Movable rod is rotatably connected with the fixed rod;

[0020] Stainless steel square leg B is rotatably connected with the movable rod;

[0021] Stainless steel square leg A is rotatably connected with the fixed rod and stainless steel square leg B respectively.

[0022] Further, the lower portion of the stainless steel square leg is provided with a carbon steel anti-skid foot.

[0023] Further, the double square steel cross supports are provided with a stainless steel locking nut, a stainless steel tightening screw and a weight safety buckle, and the stainless steel tightening screw is connected with the stainless steel locking nut and the weight safety buckle respectively.

[0024] Further, the double square steel cross supports are provided with a slidable anchor.

[0025] Further, the drawing support is rotatably connected with a drawing support base, and the drawing support base is arranged on the stainless steel pipe keel.

[0026] Further, the movable rod is rotatably connected with the fixed rod through a bolt A; the stainless steel square leg B is rotatably connected with the movable rod through a bolt B; and the stainless steel square leg A is rotatably connected with the stainless steel square leg B through a bolt C.

[0027] Further, a stainless steel round steel is arranged below the stainless steel square leg A, and a soft foot pad is arranged below the stainless steel round steel.

[0028] Further, a stainless steel edge cover is arranged around the multilayer board.

[0029] Further, a handle is arranged on the multilayer board.

[0030] Further, the stainless steel folding accessory B is rotatably connected with the stainless steel pipe keel through a bolt D; the stainless steel square leg is rotatably connected with the stainless steel pipe keel through a bolt E; the stainless steel folding accessory A is rotatably connected with the stainless steel folding accessory B through a bolt F; and the stainless steel folding accessory A is rotatably connected with the stainless steel square leg through a bolt G.

[0031] The utility model discloses the beneficial effects of the following:

[0032] Compared with the prior art, the portable folding chart table and chair has the following beneficial effects:

[0033] (1) Significantly improve portability: by adopting a folding design, the portable folding chart table and chair can significantly reduce the volume and weight, making it more convenient to carry and transport. Whether it is outdoor teaching, sea teaching or other scenarios that require frequent movement, it can easily cope with.

[0034] (2) Enhance adaptability and stability: the stainless steel square legs of the chart table are rotatably connected through stainless steel folding accessories, which not only facilitate folding, but also allow the angle and position of the table legs to be adjusted according to actual needs, improving the adaptability and stability of the table and chair. Especially in sea teaching, it can effectively cope with the challenges brought by ship rocking. The design of carbon steel non-slip feet and soft foot pads further enhances the friction between the table and chair and the ground, preventing sliding or tipping during use.

[0035] (3) Improve durability and aesthetics: the utility model adopts high-quality materials such as stainless steel and carbon steel, which have characteristics such as rust prevention, wear resistance and corrosion resistance, significantly improving the durability and service life of the table and chair. The design of the silicone table pad and the stainless steel edge cover not only improves the aesthetics of the table and chair, but also effectively prevents scratching and scratching, protecting the chart and other items.

[0036] (4) Functionally rich and practical: the design of the drawing support makes the chart stable and fixed, preventing it from slipping or being damaged, and facilitating the work of the navigator and the planning of the route. The innovative design of the sliding connection of the anchor and the heavy safety buckle further enhances the stability and safety of the table and chair, ensuring that no accidents occur during use. The design of the handle makes it easier to carry and move the table and chair.

[0037] (5) Easy to maintain and maintain: the portable folding chart table and chair of the utility model has simple structure and reasonable design, easy to disassemble and assemble, convenient for users to clean and maintain. The parts made of high-quality materials not only have good durability, but also are easy to replace and maintain, reducing the use cost.

[0038] (6) Improve user experience: by optimizing the size, shape and material of the table and chair, the portable folding chart table and chair of the utility model can provide users with a more comfortable and convenient use experience. In particular, the design of the chart chair conforms to the principle of ergonomics, which can effectively relieve the fatigue caused by long hours of sitting.

[0039] In summary, the portable folding chart table and chair of the utility model has significant advantages in portability, adaptability, stability, durability, aesthetics, functionality, ease of maintenance and user experience. These advantages make the utility model better meet the needs of sailors and other users, providing more convenient, efficient and safe support for navigation teaching, route planning and other navigation activities. BRIEF DESCRIPTION OF DRAWINGS

[0040] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the utility model will be described in detail below in combination with the drawings and detailed embodiments. Obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained without creative labor. Among them:

[0041] Figure 1 It is a front view of the chart table of the utility model;

[0042] Figure 2 It is a side view of the chart table of the utility model;

[0043] Figure 3 It is a schematic view of the stainless steel pipe keel structure of the utility model;

[0044] Figure 4 It is a schematic view of the chart chair structure of the utility model;

[0045] Figure 5 It is a schematic view of the multi-layer board and stainless steel edge structure of the utility model;

[0046] Figure 1 - silicone table mat, 2 - stainless steel plate table top, 3 - stainless steel square leg, 4 - stainless steel folding accessory A, 5 - carbon steel non-slip foot, 6 - double square steel cross bearing, 7 - stainless steel locking nut, 8 - stainless steel tightening screw, 9 - weight safety buckle, 10 - slidable connection ground anchor, 11 - drawing support, 12 - stainless steel pipe keel, 13 - drawing support base, 15 - bolt A, 16 - multi-layer board, 17 - bolt B, 18 - bolt C, 19 - stainless steel square leg A, 20 - stainless steel round steel, 21 - soft foot pad, 22 - movable rod, 23 - fixed rod, 24 - stainless steel square leg B, 25 - stainless steel edge cover, 26 - handle, 28 - bolt D, 29 - bolt E, 30 - bolt F, 31 - bolt G, 32 - stainless steel folding accessory B. DETAILED DESCRIPTION

[0047] In order to make the purpose, technical scheme and advantages of the utility model clearer and more apparent, the utility model will be further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model and not to limit the utility model. The utility model will be described below in combination with the drawings and examples. Figures 1-5 Further description of the portable folding chart table and chair.

[0048] The structure and function of each part of the chart table are as follows:

[0049] Silicone table mat 1: beautiful, anti-skid, and anti-collision.

[0050] Stainless steel plate table top 2: rust-proof, more suitable for the humid environment of sea teaching.

[0051] Stainless steel square leg 3: support. Rust-proof, more suitable for the humid environment of sea teaching.

[0052] Stainless steel folding accessory A 4 and stainless steel folding accessory B 32: connect the stainless steel plate table top and the stainless steel square leg, rust-proof, more suitable for the humid environment of sea teaching.

[0053] Carbon steel non-slip foot 5: anti-skid, improve the stability of the chart table (during the process of sailing on the sea, the ship shakes); prevent the chart table from wearing the ground when moving.

[0054] Double square steel cross bearing 6: support and fix the stainless steel square legs on both sides of the chart table, so that the chart table is in an open state, and the square legs will not automatically fold on one side and fall down due to uneven force.

[0055] Slidable connection ground anchor 10: the chart table leg is fixed by using a slidable connection ground anchor, and the ground anchor can be slidably connected to stabilize the table body according to the position of the chart.

[0056] Stainless steel locking nut 7, stainless steel adjusting screw 8, weight safety buckle 9: stainless steel adjusting screw 8 passes through the middle hole of double square steel cross bearing 6, stainless steel locking nut 7 is buckled on stainless steel adjusting screw 8 and is tightened, weight safety buckle 9 can tie a rope or a weight, so that the chart table is stable.

[0057] Drawing support 11: fix the drawing, prevent the drawing from sliding and being damaged, and facilitate personnel to work on the drawing.

[0058] Stainless steel pipe keel 12: stainless steel pipe is used as a keel support around the bottom of the chart table top, which is used to support the chart table top more firmly.

[0059] Names of parts of chart table chair:

[0060] Stainless steel edge 25: anti-rust, more suitable for the humid environment of sea teaching. Smooth anti-collision, anti-scratching.

[0061] Multi-layer board 16: the chart table chair surface adopts multi-layer board material, and the multi-layer board is surrounded by stainless steel edge. It is comfortable and wear-resistant when used.

[0062] Stainless steel square leg A 19 and stainless steel square leg B 24: bearing; anti-rust, more suitable for the humid environment of sea teaching.

[0063] Stainless steel round steel 20: stainless steel round steel is used to connect stainless steel square leg and soft foot pad. The stainless steel round steel is embedded with a round hole, and the soft foot pad can be inserted into the round hole.

[0064] Soft foot pad 31: anti-slip, improve the stability of the chart table (during the process of sailing on the sea, the ship shakes); prevent the chart table from moving and scratching the ground.

[0065] Example 1

[0066] The embodiment provides a portable folding chart table: a silica gel table pad 1 is arranged above a stainless steel plate table top 2, a stainless steel pipe keel 12 is arranged below the stainless steel plate table top 2; two stainless steel square legs 3 are rotatably connected with the stainless steel pipe keel 12; a stainless steel folding accessory A 4 is rotatably connected with the stainless steel square leg 3; a stainless steel folding accessory B 32 is rotatably connected with the stainless steel pipe keel 12; the stainless steel folding accessory A 4 is rotatably connected with the stainless steel folding accessory B 32; a double square steel cross bearing 6 for supporting is arranged between the stainless steel square legs 3; a drawing support 11 is rotatably connected with the stainless steel pipe keel 12.

[0067] A carbon steel anti-skid foot 5 is arranged below the stainless steel square leg 3. A stainless steel locking nut 7, a stainless steel adjusting screw 8 and a weight safety buckle 9 are arranged on the double square steel cross bearing 6, and the stainless steel adjusting screw 8 is connected with the stainless steel locking nut 7 and the weight safety buckle 9 respectively. An anchor 10 that can be slidably connected is arranged on the double square steel cross bearing 6.

[0068] The drawing support 11 is rotatably connected with the drawing support base 13, and the drawing support base 13 is arranged on the stainless steel pipe keel 12.

[0069] The stainless steel folding accessory B32 is rotatably connected with the stainless steel pipe keel 12 through the bolt D28; the stainless steel square leg 3 is rotatably connected with the stainless steel pipe keel 12 through the bolt E29; the stainless steel folding accessory A4 is rotatably connected with the stainless steel folding accessory B32 through the bolt F30; and the stainless steel folding accessory A4 is rotatably connected with the stainless steel square leg 3 through the bolt G31.

[0070] The working principle of the portable folding chart table provided by the embodiment is mainly based on the ingenious design of the folding structure and the connecting piece, and the synergistic effect between the components. The stainless steel plate table top 2 and the stainless steel square leg 3 are connected through the stainless steel folding accessory A4 and the stainless steel folding accessory B32, and the folding function is realized. At the same time, the stability and load-bearing capacity of the chart table are enhanced by using components such as the double square steel cross support 6, the stainless steel locking nut 7, the stainless steel tightening screw 8, and the weight safety buckle 9. The design of the drawing support 11 facilitates the fixing and viewing of the chart by the mariners.

[0071] Method for use:

[0072] Unfold the chart table: when the chart table needs to be used, first release the locking state of the stainless steel locking nut 7 and the stainless steel tightening screw 8, and unfold the double square steel cross support 6 to the horizontal position.

[0073] Then, through the rotary connection of the stainless steel folding accessory A4 and the stainless steel folding accessory B32, the stainless steel square leg 3 is unfolded from the folded state to the vertical position.

[0074] At this time, the double square steel cross support 6 plays a supporting role, ensuring that the stainless steel square leg 3 will not automatically fold on one side and fall due to uneven force.

[0075] Adjust the position and stability of the chart table: according to the needs, the position of the chart table can be adjusted through the slidable anchor 10 to adapt to different use scenarios. The stainless steel tightening screw 8 is passed through the aperture of the double square steel cross support 6, and the stainless steel locking nut 7 is tightened on the stainless steel tightening screw 8 to fix the position of the chart table. If further stability is required, the weight safety buckle 9 can be used to tie a rope or a weight, which is connected to the double square steel cross support 6 through the stainless steel tightening screw 8, to enhance the stability of the chart table.

[0076] Fix the chart: place the chart on the silica gel table pad 1. The fixing effect of the drawing support 11 can prevent the chart from slipping or being damaged, and facilitate the work of the mariners on the chart.

[0077] Use the chart table: under the protection of silica gel table pad 1, the navigator can carry out chart work, route planning and other navigation activities on the stainless steel plate table top 2. The design of carbon steel non-slip foot 5 makes the chart table stable during sea navigation, preventing sliding or falling due to ship sway.

[0078] Fold the chart table: when finished, first release the locking state of the stainless steel locking nut 7 and the stainless steel tightening screw 8, fold the two square steel cross supports 6 to the storage state. Then, through the rotating connection of the stainless steel folding fittings A4 and the stainless steel folding fittings B32, fold the stainless steel square legs 3 from the vertical position to the folded state. Finally, fold the whole chart table to facilitate carrying and storage.

[0079] Example 2

[0080] The embodiment provides a portable folding chart chair, which comprises a fixed rod 23 and a multi-layer board 16 fixedly connected; an active rod 22 is rotatably connected with the fixed rod 23; a stainless steel square leg B 24 is rotatably connected with the active rod 22; a stainless steel square leg A 19 is rotatably connected with the fixed rod 23 and the stainless steel square leg B 24 respectively.

[0081] The active rod 22 is rotatably connected with the fixed rod 23 through a bolt A 15; the stainless steel square leg B 24 is rotatably connected with the active rod 22 through a bolt B 17; the stainless steel square leg A 19 is rotatably connected with the stainless steel square leg B 24 through a bolt C 18.

[0082] A stainless steel round steel 20 is arranged below the stainless steel square leg A 19, and a soft foot pad 21 is arranged below the stainless steel round steel 20. A stainless steel edge 25 is arranged around the multi-layer board 16. A handle 26 is arranged on the multi-layer board 16.

[0083] The portable folding chart chair provided by the embodiment mainly has the working principle based on the ingenious design of the folding structure and the connecting piece. Through the mutual rotating connection of the fixed rod 23, the active rod 22, the stainless steel square leg A 19 and the stainless steel square leg B 24, the folding and unfolding functions of the chart chair are realized. Meanwhile, the stability and the anti-skid performance of the chart chair are improved by using the stainless steel round steel 20 and the soft foot pad 21. In addition, the multi-layer board 16 serves as the chair surface, providing comfortable sitting feeling, and the stainless steel edge 25 enhances the durability and safety of the chair surface.

[0084] Use method:

[0085] Unfolding the chart table chair: When the chart table chair needs to be used, first unlock all the connection parts. Then, through the rotatable connection of the movable rod 22 and the fixed rod 23, and the rotatable connection of the stainless steel square leg A 19 and the stainless steel square leg B 24 with the movable rod 22 and the fixed rod 23, gradually unfold the chart table chair from the folded state to the use state. During the unfolding process, ensure that the stainless steel square leg A 19 and the stainless steel square leg B 24 form a stable support structure, so that the chart table chair can be placed stably on the ground.

[0086] Adjusting the height and stability of the chart table chair: According to the use requirements, the height of the chart table chair can be changed by adjusting the rotation angle between the movable rod 22 and the fixed rod 23. At the same time, the design of the stainless steel round steel 20 and the soft foot pad 21 makes the chart table chair stable when placed, preventing sliding or falling due to uneven ground or ship shaking. The soft foot pad 21 can also effectively prevent the chart table chair from scratching the ground when moving, protecting the ground from damage.

[0087] Using the chart table chair: After the chart table chair is adjusted to the appropriate height and stability, the navigator can sit on the multi-layer board 16 to perform chart operations, rest, and other activities. The material and design of the multi-layer board 16 make the sitting comfortable and wear-resistant, meeting the needs of long-term use. The stainless steel edge 25 not only enhances the durability of the chair surface, but also prevents damage caused by collision or scratching during use.

[0088] Folding the chart table chair:

[0089] When the use is completed, first unlock all the connection parts. Then, through the rotatable connection of the movable rod 22 and the fixed rod 23, and the rotatable connection of the stainless steel square leg A 19 and the stainless steel square leg B 24 with the movable rod 22 and the fixed rod 23, gradually fold the chart table chair from the use state to the folded state. During the folding process, ensure that all parts are tightly fitted to avoid damage or looseness during carrying or storage. Finally, it is convenient to carry the chart table chair for moving or storage.

[0090] The utility model aims at solving the problem of inconvenient movement of the chart table and the problem of being unable to enter the cabin due to too large size, and provides a kind of portable folding chart table chair. The portable folding chart table chair is a chart table and a chart chair with folding function. The folding chart chair can be inserted into the folding chart table, and the folding chart table chair is integrally moved. Because of convenient folding, the volume is smaller compared with traditional chart table chair. The portable folding chart table chair is convenient to carry and can be applied to outdoor teaching, sea teaching and any chart practical teaching scene.

[0091] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, can make equivalent substitutions or changes within the technical range disclosed by the present application, and can also make simple deductions and substitutions without departing from the concept of the present application, and all of them shall be covered within the protection scope of the present application.

Claims

1. A portable folding chart table and chair, characterised in that, The chart table and chart chair are provided with a stainless steel plate table top (2) provided with a silica gel table pad (1) above and a stainless steel pipe keel (12) below, a plurality of stainless steel square legs (3) rotatably connected with the stainless steel pipe keel (12), a stainless steel folding accessory A (4) rotatably connected with the stainless steel square legs (3), a stainless steel folding accessory B (32) rotatably connected with the stainless steel pipe keel (12), the stainless steel folding accessory A (4) and the stainless steel folding accessory B (32) being rotatably connected, a double square steel cross support (6) for support being arranged between the stainless steel square legs (3), a drawing support (11) rotatably connected with the stainless steel pipe keel (12), and a chart chair provided with a fixed rod (23) fixedly connected with a multi-layer board (16), a movable rod (22) rotatably connected with the fixed rod (23), a stainless steel square leg B (24) rotatably connected with the movable rod (22), and a stainless steel square leg A (19) rotatably connected with the fixed rod (23) and the stainless steel square leg B (24) respectively. The chart table and chart chair are provided with a stainless steel plate table top (2) provided with a silica gel table pad (1) above and a stainless steel pipe keel (12) below, a plurality of stainless steel square legs (3) rotatably connected with the stainless steel pipe keel (12), a stainless steel folding accessory A (4) rotatably connected with the stainless steel square legs (3), a stainless steel folding accessory B (32) rotatably connected with the stainless steel pipe keel (12), the stainless steel folding accessory A (4) and the stainless steel folding accessory B (32) being rotatably connected, a double square steel cross support (6) for support being arranged between the stainless steel square legs (3), a drawing support (11) rotatably connected with the stainless steel pipe keel (12), and a chart chair provided with a fixed rod (23) fixedly connected with a multi-layer board (16), a movable rod (22) rotatably connected with the fixed rod (23), a stainless steel square leg B (24) rotatably connected with the movable rod (22), and a stainless steel square leg A (19) rotatably connected with the fixed rod (23) and the stainless steel square leg B (24) respectively. The chart table and chart chair are provided with a stainless steel plate table top (2) provided with a silica gel table pad (1) above and a stainless steel pipe keel (12) below, a plurality of stainless steel square legs (3) rotatably connected with the stainless steel pipe keel (12), a stainless steel folding accessory A (4) rotatably connected with the stainless steel square legs (3), a stainless steel folding accessory B (32) rotatably connected with the stainless steel pipe keel (12), the stainless steel folding accessory A (4) and the stainless steel folding accessory B (32) being rotatably connected, a double square steel cross support (6) for support being arranged between the stainless steel square legs (3), a drawing support (11) rotatably connected with the stainless steel pipe keel (12), and a chart chair provided with a fixed rod (23) fixedly connected with a multi-layer board (16), a movable rod (22) rotatably connected with the fixed rod (23), a stainless steel square leg B (24) rotatably connected with the movable rod (22), and a stainless steel square leg A (19) rotatably connected with the fixed rod (23) and the stainless steel square leg B (24) respectively. The chart table and chart chair are provided with a stainless steel plate table top (2) provided with a silica gel table pad (1) above and a stainless steel pipe keel (12) below, a plurality of stainless steel square legs (3) rotatably connected with the stainless steel pipe keel (12), a stainless steel folding accessory A (4) rotatably connected with the stainless steel square legs (3), a stainless steel folding accessory B (32) rotatably connected with the stainless steel pipe keel (12), the stainless steel folding accessory A (4) and the stainless steel folding accessory B (32) being rotatably connected, a double square steel cross support (6) for support being arranged between the stainless steel square legs (3), a drawing support (11) rotatably connected with the stainless steel pipe keel (12), and a chart chair provided with a fixed rod (23) fixedly connected with a multi-layer board (16), a movable rod (22) rotatably connected with the fixed rod (23), a stainless steel square leg B (24) rotatably connected with the movable rod (22), and a stainless steel square leg A (19) rotatably connected with the fixed rod (23) and the stainless steel square leg B (24) respectively. The chart table and chart chair are provided with a stainless steel plate table top (2) provided with a silica gel table pad (1) above and a stainless steel pipe keel (12) below, a plurality of stainless steel square legs (3) rotatably connected with the stainless steel pipe keel (12), a stainless steel folding accessory A (4) rotatably connected with the stainless steel square legs (3), a stainless steel folding accessory B (32) rotatably connected with the stainless steel pipe keel (12), the stainless steel folding accessory A (4) and the stainless steel folding accessory B (32) being rotatably connected, a double square steel cross support (6) for support being arranged between the stainless steel square legs (3), a drawing support (11) rotatably connected with the stainless steel pipe keel (12), and a chart chair provided with a fixed rod (23) fixedly connected with a multi-layer board (16), a movable rod (22) rotatably connected with the fixed rod (23), a stainless steel square leg B (24) rotatably connected with the movable rod (22), and a stainless steel square leg A (19) rotatably connected with the fixed rod (23) and the stainless steel square leg B (24) respectively. ​ ​ ​ ​ ​ ​ ​ ​ 2. The portable folding chart table and seat of claim 1 wherein, ​ 3. The portable folding chart table and seat of claim 1 wherein, ​ 4. The portable folding chart table and seat of claim 1 wherein, ​ 5. The portable folding chart table and seat of claim 1 wherein, ​ 6. The portable folding chart table and seat of claim 1 wherein, ​ 7. The portable folding chart table and seat of claim 1 wherein, ​ 8. The portable folding chart table and seat of claim 1 wherein, ​ 9. The portable folding chart table and seat of claim 1 wherein, ​ 10. The portable folding chart table and seat of claim 1 wherein, ​

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