CN212815057U

CN212815057U - Drawing desk for environmental art design

Info

Publication number: CN212815057U
Application number: CN202020442700.7U
Authority: CN
Inventors: 王锐涵
Original assignee: Nanjing Forestry University
Current assignee: Nanjing Forestry University
Priority date: 2020-03-31
Filing date: 2020-03-31
Publication date: 2021-03-30
Anticipated expiration: 2030-03-31

Abstract

The utility model provides a drawing desk for environmental art design, it includes: the frame body unit comprises support columns which are symmetrically arranged and transverse rods which are arranged between the support columns, and the tops of the support columns are connected with a first shell; and the adjusting unit is connected with the first shell and comprises adjusting pieces and sliding pieces, the adjusting pieces are symmetrically arranged, the sliding pieces are arranged above the adjusting pieces, and the adjusting pieces are connected into a whole through a first connecting rod. The utility model has the advantages that: the utility model discloses a go on the height and the position of drawing table for the drawing board can be adjusted to suitable position and angle, with the in service behavior who is applicable to the difference, satisfies the person's of drawing of different posture user demand, on the other hand, the utility model discloses stable in structure adjusts the difficult emergence of back stable in position and topples.

Description

Drawing desk for environmental art design

Technical Field

The utility model relates to an environmental art designs technical field, especially, relates to a drawing desk for environmental art designs.

Background

The environmental art design refers to a practical art which is designed by integrating the space environment inside and outside the building room through the art design means, and for the art design practitioners, the artistic treatment is mainly carried out on the space interface through a certain organization and enclosing means. For art design, with the development of society and science and technology, calculation and drawing are increasingly important, but manual drawing is still an irreplaceable actual operation program, and both art design course teaching of relevant colleges and universities and mature art creation need to be performed by using relevant devices for manual drawing.

Present drawing device is for drawing through the member structure support drawing board of putting to one side on the table body, not only functional structure is single, generally hardly carry out the regulation of position simultaneously, to the plotter of different morphs, the single drawing table of size not only hardly keeps the posture morphism of preferred, also hardly acquire better drawing field of vision simultaneously in outdoor scene is drawn, very big influence the process of artistic creation design, consequently need one kind can adjust the use height, drawing table is used in the environmental art design of drawing board position, in order to obtain stable drawing design condition.

SUMMERY OF THE UTILITY MODEL

This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and in the abstract of the specification and the title of the application to avoid obscuring the purpose of this section, the abstract of the specification and the title of the application, and such simplifications or omissions are not intended to limit the scope of the invention.

The single structure that exists in view of drawing desk for current environment art design can't carry out height, position control's problem, has provided the utility model discloses.

Therefore, the utility model discloses the technical problem that will solve is for carrying out altitude mixture control to the drawing desk, makes position, the angle of drawing board be applicable to the person of drawing of different posture, satisfies different user demands.

In order to solve the technical problem, the utility model provides a following technical scheme: the frame body unit comprises support columns which are symmetrically arranged and transverse rods which are arranged between the support columns, and the tops of the support columns are connected with a first shell; and the adjusting unit is connected with the first shell and comprises adjusting pieces and sliding pieces, the adjusting pieces are symmetrically arranged, the sliding pieces are arranged above the adjusting pieces, and the adjusting pieces are connected into a whole through a first connecting rod.

As an environment is drawing table preferred scheme for art design, wherein: the vertical setting of regulating part is in the first casing, including adjust the pole and with adjust the perpendicular dwang that sets up of pole, first casing inboard is provided with a plurality of slip lugs a plurality of slip recesses have been seted up on the lateral wall of adjusting the pole, the slip lug inlays to be established in the slip recess.

As an environment is drawing table preferred scheme for art design, wherein: the rotating rod comprises a rotating gear and a rotating bearing connected with the rotating gear, and linear gears meshed with the rotating gear are distributed on one side of the adjusting rod.

As an environment is drawing table preferred scheme for art design, wherein: the regulating part further comprises a second shell and a limiting rod arranged in the second shell, the second shell is fixedly connected to the outer side of the first shell, a first limiting hole and a second limiting hole are formed in the inner side wall of the first shell, and the limiting rod penetrates through the first limiting hole and the second limiting hole to stretch into the first shell.

As an environment is drawing table preferred scheme for art design, wherein: the adjusting rod is further provided with a through groove in the vertical direction, a plurality of limiting gears are distributed in the through groove, and the end portion of the limiting rod is clamped in the limiting gears.

As an environment is drawing table preferred scheme for art design, wherein: the third limiting hole is formed in the outer side wall of the second shell, one end of the limiting rod penetrates through the third limiting hole to extend to the outer side to form a knob, a spring is arranged in the second shell along the direction of the limiting rod, the spring is sleeved on the outer side wall of the limiting rod, and one end of the spring is abutted to the inner side wall of the second shell.

As an environment is drawing table preferred scheme for art design, wherein: the slider includes fixed block and slide bar, the fixed block has transversely been seted up the slip and has been led to the groove, the slide bar passes the slip leads to the groove, the both ends of slide bar are provided with the stopper.

As an environment is drawing table preferred scheme for art design, wherein: the top of fixed block is provided with the fixed orifices, the downthehole fixing bolt that is connected with of fixed.

As an environment is drawing table preferred scheme for art design, wherein: the sliding rods are connected into a whole through a second connecting rod, and a plurality of arc-shaped elastic pieces are axially arranged on the outer side wall of the second connecting rod.

The utility model has the advantages that: the utility model discloses a go on the height and the position of drawing table for the drawing board can be adjusted to suitable position and angle, with the in service behavior who is applicable to the difference, satisfies the person's of drawing of different posture user demand, on the other hand, the utility model discloses stable in structure adjusts the difficult emergence of back stable in position and topples.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments will be briefly introduced 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 that other drawings can be obtained according to these drawings without inventive labor. Wherein:

fig. 1 is a schematic overall view of a drawing table for environmental art design according to a first embodiment of the present invention;

fig. 2 is a schematic structural view of a position of an adjusting member of a drawing table for environmental art design according to a second embodiment of the present invention;

FIG. 3 is a schematic view of an adjusting lever of a drawing table for environmental art design according to a second embodiment of the present invention;

fig. 4 is a schematic structural view of a second housing of the drawing table for environmental art design according to the second embodiment of the present invention;

FIG. 5 is a partial schematic view showing the internal structure of the regulating member of the drawing table for environmental art design according to the second embodiment of the present invention;

fig. 6 is an exploded view of a drawing table side stopper for environmental art design according to a second embodiment of the present invention;

FIG. 7 is a schematic view of a position-limiting member of a drawing table for environmental art design according to a second embodiment of the present invention;

fig. 8 is a schematic view of a drawing table slider for environmental art design according to a third embodiment of the present invention;

fig. 9 is an exploded view of a drawing table slider for environmental art design according to a third embodiment of the present invention.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanying the present invention are described in detail below with reference to the accompanying drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be implemented in other ways different from the specific details set forth herein, and one skilled in the art may similarly generalize the present invention without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.

Furthermore, the references herein to "one embodiment" or "an embodiment" refer to a particular feature, structure, or characteristic that may be included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.

Furthermore, the present invention will be described in detail with reference to the drawings, and in the detailed description of the embodiments of the present invention, for convenience of illustration, the sectional view showing the device structure will not be enlarged partially according to the general scale, and the drawings are only examples, which should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.

Example 1

Referring to fig. 1, in order to provide a first embodiment of the present invention, there is provided a drawing table for environmental art design, as shown in fig. 1, the drawing table for environmental art design, which includes: the rack unit 100 comprises support columns 101 which are symmetrically arranged and transverse rods 102 which are arranged between the support columns 101, and a first shell 103 is connected to the tops of the support columns 101; the adjusting unit 200, which is connected to the first housing 103, includes symmetrically arranged adjusting parts 201 and sliding parts 202 arranged above the adjusting parts 201, and the adjusting parts 201 are connected into a whole by a first connecting rod 203.

In particular, for manual drawing in environmental art designs, it is often necessary to adjust the height angle of the drawing table so that the drawing board is in ideal drawing conditions: the drawing board is located at a proper height, position (transverse position) and inclination angle, so for the present embodiment, the drawing board mainly includes a frame body unit 100, the frame body unit 100 constitutes a basic frame body structure, and includes a support pillar 101 and a transverse rod 102, which are symmetrically arranged, the support pillar 101 is perpendicular to the transverse rod 102, on one hand, plays a role of supporting and fixing, on the other hand, also provides a part of initial height, for the drawing device, the coverage range that needs to be adjusted is within a certain interval range, so a certain initial height needs to be provided, the height of the support pillar 101 can be generally set according to the human mechanical height of normal person (170 plus 175cm), the transverse rod 102 is used for providing transverse stable support, and can be connected with a drawer and other parts for storage, the top of the support pillar 101 is connected with a first housing 103, the bottom of the housing 103 is fixedly connected with the support pillar 101, an opening is opened at the top to form an accommodating space, the cross section of the first housing 103 is a regular rectangular structure, the adjusting unit 200 is used for adjusting the height and position of the drawing board, the adjusting unit 200 is connected with the first housing 103, as shown in the figure, the adjusting unit 200 is connected to the first housing 103, and includes an adjusting member 201 for adjusting the height and a sliding member 202 for adjusting the position (horizontal position), that is, the bottom of the adjusting member 201 is disposed inside the first housing 103, and can be raised and lowered to a certain height, the sliding member 202 is fixedly disposed above the adjusting member 201 and can be raised and lowered in the vertical direction along with the adjusting member 201, the sliding member 202 is connected to the drawing board, can drive the drawing board to move horizontally, and for the convenience of operation, the two adjusting pieces 201 are connected into a whole through a first connecting rod 203, namely, the height of the adjusting pieces 201 at both ends can be adjusted by controlling the adjusting piece 301 at one side.

Example 2

Referring to fig. 2 to 7, a second embodiment of the present invention is different from the first embodiment in that: the adjusting member 201 is vertically arranged in the first housing 103, and includes an adjusting rod 201a and a rotating rod 201b vertically arranged with the adjusting rod 201a, the inner side of the first housing 103 is provided with a plurality of sliding protrusions 103a, the side wall of the adjusting rod 201a is provided with a plurality of sliding grooves 201a-1, and the sliding protrusions 103a are embedded in the sliding grooves 201 a-1. The rotating rod 201b comprises a rotating gear 201b-1 and a rotating bearing 201b-2 connected with the rotating gear 201b-1, and a linear gear 201a-2 meshed with the rotating gear 201b-1 is distributed on one side of the adjusting rod 201 a.

Specifically, for the adjusting member 201, which is mainly used for height adjustment, the adjusting member 201 in the first housing 103 on one side includes an adjusting rod 201a vertically disposed, the adjusting rod 201a is disposed in the first housing 103, and accordingly, as shown in fig. 2, the adjusting rod 201a and the cross-sectional dimension of the first housing 103 are adapted, in this embodiment, the cross-sectional dimension of the first housing 103 is rectangular, the cross-sectional dimension of the corresponding adjusting rod 201a is also rectangular, a rotating rod 201b is connected to the middle of one end of the adjusting rod 201a, the rotating rod 201b is vertically connected to the adjusting rod 201a, for providing power, that is, the adjusting rod 201a is driven by the rotating rod 201b to ascend, in order to make the adjusting rod 201a move along a predetermined track, a plurality of sliding protrusions 103a are laterally disposed on the inner side of the first housing 103, as shown in fig. 3, the sliding protrusions 103a are vertically disposed long strips, correspondingly, a sliding groove 201a-1 is formed in the position, corresponding to the sliding protrusion 103a, of the adjusting lever 201a, the sliding protrusion 103a is embedded in the sliding groove 201a-1, the movement track of the adjusting lever 201a is in the vertical direction, the rotating lever 201b includes a rotating gear 201b-1 and a rotating bearing 201b-2, as shown in the figure, the rotating gear 201b-1 and the rotating bearing 201b-2 are vertically arranged, a linear gear 201a-2 is arranged at one end, close to the rotating lever 201b, of the adjusting lever 201a, the linear gear 201a-2 is meshed with the rotating gear 201b-1, that is, when the rotating gear 201b-1 rotates around the rotating bearing 201b-2, the linear gear 201a-2 is driven to perform linear motion (vertical up-and-down motion), it should be noted that, because the adjusting parts 201 are symmetrically arranged in the first housing 103, after the two symmetrically arranged adjusting parts 201 are connected into a whole through the first connecting rod 203, the height can be adjusted by only controlling the adjusting part 201 at one end.

The adjusting part 201 further comprises a second casing 201c and a limiting rod 201d arranged in the second casing 201c, the second casing 201c is fixedly connected to the outer side of the first casing 103, a first limiting hole 103b and a second limiting hole 201c-1 are respectively arranged on the inner side walls of the first casing 103 and the second casing 201c, and the limiting rod 201d penetrates through the first limiting hole 103b and the second limiting hole 201c-1 and extends into the first casing 103. The adjusting rod 201a is also provided with a through groove 201a-3 along the vertical direction, a plurality of limiting gears 201a-4 are uniformly distributed in the through groove 201a-3, and the end part of the limiting rod 201d is clamped in the limiting gears 201 a-4. The outer side wall of the second casing 201c is provided with a third limiting hole 201c-2, one end of the limiting rod 201d extends to the outside through the third limiting hole 201c-2 to form a knob 201d-1, a spring 201d-2 is arranged in the second casing 201c along the direction of the limiting rod 201d, the spring 201d-2 is sleeved on the outer side wall of the limiting rod 201d, and one end of the spring is abutted against the inner side wall of the second casing 201 c.

Further, after the height of the adjusting rod 201a is adjusted, the adjusting rod 201a needs to be fixed, so that the adjusting rod 201a maintains a relatively stable position, and it is ensured that the drawing board above the adjusting rod does not drop due to gravity, specifically, as shown in fig. 4 to 6, the adjusting member 201 further includes a second housing 201c and a limiting rod 201d, the second housing 201c is fixedly disposed at the outer side of the first housing 103, and has a shape and a size corresponding to the first housing 103, the interior of the second housing is a hollow structure for placing a related structure, the limiting rod 201d is disposed in the second housing 201c for fixing and limiting the adjusting rod 201a, the outer side wall of the first housing 103 and the inner side wall of the second housing 201c are respectively provided with a first limiting hole 103b and a second limiting hole 201c-1, the first limiting hole 103b and the second limiting hole 201c-1 have the same size, and the centers are on the same axis, i.e. both form a through hole, the limit rod 201d is adapted to the size of the first limit hole 103b and the second limit hole 201c-1, one end of the limit rod 201d passes through the first limit hole 103b and the second limit hole 201c-1 and extends into the first housing 103, further, as shown in fig. 3, a through groove 201a-3 is further formed on the adjusting rod 201a along the vertical direction, a plurality of limit gears 201a-4 are uniformly distributed in the through groove 201a-3, the end of the limit rod 201d is clamped in the limit gears 201a-4, the limit gears 201a-4 are distributed with intervals, the distance d1 between the intervals is not less than the diameter d2 of the limit rod 201d, so that the limit rod 201d can be clamped in the interval between two adjacent positioning gears 201a-4, as shown in fig. 7, the limit gears 201a-4, the cross section of the limiting rod 201d is triangular, the limiting rod 201d is clamped below a right-angle side and used for bearing the action of the gravity of an upper component, when the adjusting rod 201a moves upwards, the limiting rod 201d can slide on an inclined plane of the limiting gear 201a-4, after the limiting rod 201d slides out of the inclined plane limiting gear 201a-4, the limiting rod 201d can be clamped below the right-angle side of the limiting gear 201a-4 under the action of the spring 201d, specifically, as shown in fig. 6, a third limiting hole 201c-2 is formed in the outer side wall of the second shell 201c, the third limiting hole 201c-2 is identical to the first limiting hole 103b and the second limiting hole 201c-1 in size and communicated with each other, the other end (the end far away from the second limiting hole 201c-1) of the limiting rod 201d penetrates through the third limiting hole 201c-2 and extends to the outer side to form a knob 201d-1, a spring 201d-2 is arranged in the second casing 201c along the direction of the limiting rod 201d, the spring 201d-2 is sleeved on the outer side wall of the limiting rod 201d, the spring 201d-2 is distributed to the length of the limiting rod 201d located in the middle of the second casing 201c, one end of the spring 201d-2 is connected with the limiting rod 201d, the other end of the spring is abutted against the inner side wall of the second casing 201c, when the adjusting rod 201a moves upwards, one end of the limiting rod 201d slides on the inclined surface of the limiting gear 201a-4, the inclined surface has an extrusion acting force on the limiting rod 201d, at the moment, the limiting rod 201d moves outwards, the spring 201d-2 is compressed, when the limiting rod 201d slides out of the inclined surface of the limiting gear 201a-4, the extrusion of the inclined surface on the limiting rod 201d is relieved at the moment, the spring 201d-2 is not extruded any more, and the limiting rod d is driven to move inwards to be clamped on the limiting gear 201a 4, thereby realizing upward movement, immediately limiting and fixing when not moving upward, when the adjusting rod 201a needs to move downward, the knob 201d-1 is directly pulled by hand at the moment, the spring 201d-2 is limited by the second shell 201c to be compressed, the limiting rod 201d is separated from the right-angle side of the limiting gear 201a-4, the limitation is relieved at the moment, and the position of the adjusting rod 201a can be lowered by pressing downwards by hand, it should be noted that the rotating and limiting structure is arranged on one side, and the adjusting device on the other side only needs to move up and down as a driven part.

Example 3

Referring to fig. 8 to 9, a third embodiment of the present invention is different from the above embodiments in that: the sliding member 202 includes a fixed block 202a and a sliding rod 202b, the fixed block 202a is transversely provided with a sliding through groove 202a-1, the sliding rod 202b passes through the sliding through groove 202a-1, and two ends of the sliding rod 202b are provided with stop blocks 202 b-1. The top of the fixing block 202a is provided with a fixing hole 202a-2, and a fixing bolt 202a-3 is connected in the fixing hole 202 a-2. The sliding rods 202b are connected into a whole through a second connecting rod 202b-2, and a plurality of arc-shaped elastic pieces 202b-3 are axially arranged on the outer side wall of the second connecting rod 202 b-2.

Specifically, for the sliding member 202, which is mainly used for adjusting the transverse position, the sliding member 202 is fixedly connected to the upper portion of the adjusting rod 201a, that is, the sliding member 202 can adjust the height along with the adjusting rod 201a, as shown in fig. 8 and 9, the sliding member 202 includes a fixed block 202a and a sliding rod 202b, the fixed block 202a is fixedly connected to the top of the adjusting rod 201a, a sliding through groove 202a-1 is formed in the side surface of the fixed block 202a along the horizontal direction, the sliding through groove 202a-1 is a circular hole traversing the fixed block 202a, the number of the circular holes is at least two, the sliding rod 202b passes through the sliding through groove 202a-1, the sliding rod 202b is composed of a plurality of cylindrical rods, the cylindrical rods correspond to the circular holes one by one, each cylindrical rod is arranged in the corresponding circular hole, the blocking blocks 202b-1 are arranged at two ends of the sliding rod 202b, and, on the other hand, the sliding rod 202b is prevented from being separated from the sliding through groove 202a-1, the sliding rod 202b slides in the sliding through groove 202a-1 to realize the adjustment of the horizontal position, and in order to fix the sliding rod 202b, the top of the fixing block 202a is provided with a fixing hole 202a-2, a fixing bolt 202a-3 is connected in the fixing hole 202a-2, the position of the fixing hole 202a-2 is opposite to the sliding rod 202b, when in use, when the adjustment is performed, the fixing bolt 202a-3 is loosened, so that the sliding rod 202b is horizontally slid after being separated from the fixing bolt 202a-3, and when the fixing is required, screwing the fixing bolt 202a-3 achieves a large pressing force against the slide bar 202b to form a frictional force, so that the slide bar 202b does not slide relatively, that is, when sliding is required, the fixing bolt 202a-3 is tightened to fix the position of the sliding rod 202 b.

The sliding rods 202b which are symmetrically arranged are connected into a whole through the second connecting rod 202b-2, namely, the sliding rod or the fixing rod can be operated on one side, the plurality of arc-shaped elastic pieces 202b-3 are axially arranged on the outer side wall of the second connecting rod 202b-2, the other side of the arc-shaped elastic pieces 202b-3 is connected with the drawing board, the drawing board can adjust the inclination angle through the sliding elastic pieces 202b-3, in sum, for the drawing board, the adjusting piece 201 is used for adjusting the vertical height, the sliding piece 202 adjusts the horizontal position of the sliding piece, and the drawing board can adjust the inclination angle through the arc-shaped elastic pieces 202b-3 to achieve the best use position and condition.

It should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.

Claims

1. The utility model provides a drawing desk for environmental art design which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,

the rack body unit (100) comprises support columns (101) which are symmetrically arranged and transverse rods (102) which are arranged between the support columns (101), and the top of each support column (101) is connected with a first shell (103);

the adjusting unit (200) is connected with the first shell (103) and comprises symmetrically arranged adjusting pieces (201) and sliding pieces (202) arranged above the adjusting pieces (201), and the adjusting pieces (201) are connected into a whole through a first connecting rod (203).

2. A drawing desk for environmental art design according to claim 1, wherein: adjusting part (201) is vertical to be set up in first casing (103), including adjust pole (201a) and with dwang (201b) that adjust pole (201a) perpendicular setting, first casing (103) inboard is provided with a plurality of sliding block (103a) a plurality of sliding groove (201a-1) have been seted up on the lateral wall of adjusting pole (201a), sliding block (103a) inlay and establish in sliding groove (201 a-1).

3. A drawing desk for environmental art design according to claim 2, wherein: the rotating rod (201b) comprises a rotating gear (201b-1) and a rotating bearing (201b-2) connected with the rotating gear (201b-1), and linear gears (201a-2) meshed with the rotating gear (201b-1) are distributed on one side of the adjusting rod (201 a).

4. A drawing desk for environmental art design according to claim 2 or 3, wherein: the adjusting part (201) further comprises a second shell (201c) and a limiting rod (201d) arranged in the second shell (201c), the second shell (201c) is fixedly connected to the outer side of the first shell (103), a first limiting hole (103b) and a second limiting hole (201c-1) are formed in the inner side wall of the first shell (103) and the inner side wall of the second shell (201c) respectively, and the limiting rod (201d) penetrates through the first limiting hole (103b) and the second limiting hole (201c-1) to extend into the first shell (103).

5. A drawing desk for environmental art design according to claim 4, wherein: the adjusting rod (201a) is further provided with a through groove (201a-3) in the vertical direction, a plurality of limiting gears (201a-4) are distributed in the through groove (201a-3), and the end part of the limiting rod (201d) is clamped in the limiting gears (201 a-4).

6. A drawing desk for environmental art design according to claim 5, wherein: the outer side wall of the second shell (201c) is provided with a third limiting hole (201c-2), one end of a limiting rod (201d) penetrates through the third limiting hole (201c-2) to extend to the outer side to form a knob (201d-1), a spring (201d-2) is arranged in the second shell (201c) along the direction of the limiting rod (201d), the spring (201d-2) is sleeved on the outer side wall of the limiting rod (201d), and one end of the spring is abutted to the inner side wall of the second shell (201 c).

7. A drawing table for environmental art design according to any one of claims 1 to 3 or 5 or 6, wherein: the sliding piece (202) comprises a fixing block (202a) and a sliding rod (202b), a sliding through groove (202a-1) is formed in the fixing block (202a) along the transverse direction, the sliding rod (202b) penetrates through the sliding through groove (202a-1), and blocking blocks (202b-1) are arranged at two ends of the sliding rod (202 b).

8. A drawing desk for environmental art design according to claim 7, wherein: the top of the fixing block (202a) is provided with a fixing hole (202a-2), and a fixing bolt (202a-3) is connected in the fixing hole (202 a-2).

9. A drawing desk for environmental art design according to claim 8, wherein: the sliding rods (202b) are connected into a whole through a second connecting rod (202b-2), and a plurality of arc-shaped elastic sheets (202b-3) are arranged on the outer side wall of the second connecting rod (202b-2) along the axial direction.