CN112336099B - Portable design drawing show shelf for industrial design - Google Patents

Abstract

The invention discloses a portable design drawing display stand for industrial design, which relates to the technical field of industrial design. One end of the connecting structure is movably connected with an L-shaped support rod, the corner positions on both sides of the L-shaped support rod are fixedly connected with plastic splints, and the one end and the lower end of the L-shaped support rod far away from the connecting structure are both slidably connected There is a clamping structure, and a limit slot, a support limit slot and a clamp limit slot are provided on both sides of the inner middle of the L-shaped support rod. The invention combines the air pressure groove, the air pressure suction cup, the pressurization structure, the one-way valve and the limit pressure barrel, and uses the principle of equal gas pressure between the points in the air pressure to make the air pressure suction cup and the surface of the display stand. is pumped, thereby increasing the suction force between the air pressure suction cup and the display stand, so that the stability of the present invention is greatly improved.

Description

A portable design drawing display stand for industrial design

technical field

The invention relates to a drawing display stand, relates to the technical field of industrial design, and in particular relates to a portable design drawing display stand for industrial design.

Background technique

In the teaching of industrial design, teachers need to combine drawings for teaching. For convenience, the city uses tape to fix the drawings on the display stand. This method is easy to damage the paper of the drawings, making the paper easily damaged. The following problems exist for the prior art:

1. In the prior art, such as China Patent Bulletin No.: CN108741820A, a portable design drawing display stand for industrial design includes a first fixed column and a second fixed column, and one end of the top of the first fixed column is provided with a first fixed column. Clamping mechanism, one end of the bottom of the first fixed column is provided with an extension mechanism, one end of the top of the first fixed column is provided with a first rotating hole connecting its left and right sides, and two sides of the inner cavity of the first rotating hole are symmetrically provided with a first rotating hole. In the limit ring, two ends of the four sides of the inner wall of the first rotating hole are symmetrically provided with annular limit grooves. Its lightweight design drawing display stand for industrial design can fix one corner and two sides of the design drawing. Through the principle of triangular stability, the design drawing can be displayed smoothly, avoiding the problem of large occupation area of the traditional display board, and it is easy to pick up. Careful observation, and then can be stacked to increase the number of displays. A portable design drawing display stand for industrial design is used through the use of clamping rods and torsion springs. When the drawings are stacked and placed, due to the different locations of each layer of drawings, the clamping rods are used for different layers of drawings. The applied force is easily unequal in direction, so that the drawing on the outer layer is easily squeezed and deformed;

2. In the prior art, for some teaching teachers, it will affect the quality of the drawings, thereby affecting the quality of teaching, and thus cannot achieve the original intention of using auxiliary teaching, and the applicability of the display stand becomes poor, so structural innovation is required to solve the problem. Specific issues.

SUMMARY OF THE INVENTION

The technical problem to be solved by the present invention is to provide a portable design drawing display stand for industrial design, one of which is to hold multiple drawings without sluggish drawing deformation, and solve the problem that drawing deformation affects teaching; wherein Another purpose is to solve the problem of having a stable fixed structure to achieve the effect of maintaining the teaching progress. Another purpose is to have the display order of drawings that can be changed at any time, which is convenient for the comparison between drawings and is conducive to assisting teaching.

For solving the above-mentioned technical problems, the technical scheme adopted in the present invention is:

A portable design drawing display stand for industrial design, comprising fixing plates, the number of the fixing plates is two, a connecting structure is movably connected between the two fixing plates, and one end of the connecting structure is movably connected with an L Plastic splints are fixedly connected to the corners on both sides of the L-shaped support rod, and one end and the lower end of the L-shaped support rod away from the connection structure are slidably connected with a clamping structure, and the L-shaped support rod Both sides of the inner middle of the rod are provided with a limit slot, a support limit slot and a snap limit slot, the limit slot is located above the support limit slot, and the snap limit slot is opened on the support limit slot Below the middle part of the slot, the upper end of the L-shaped support rod is close to one end of the limit slot and the side of the clamping structure is close to the middle part, and the two sides of the middle part are provided with limit structures, and the fixing plate is away from the side of the L-shaped support rod. Both are provided with a fixed structure, and the interior of the fixed structure is provided with an air pressure suction cup, and the air pressure suction cup is arranged at the corner, the lower end of the side of the card plate away from the L-shaped support rod and the side away from the connection structure.

A further improvement of the technical solution of the present invention lies in that the upper and lower ends of the clamping limit slot are provided with arc-shaped clamping slots.

A further improvement of the technical solution of the present invention is that: a card plate is arranged inside the connection structure, a card block is arranged on one side of the card plate, and a cylindrical card slot is opened inside the card plate. The upper and lower ends of the slot are provided with circular platform limiting slots, the middle of one side of the clamping block is provided with a clamping column, and both ends of the clamping column are fixedly connected with circular platform clamping columns, and the two circular platform clamping columns are respectively connected with the circular platform clamping column. The upper and lower ends of one side of the clamping block are fixedly connected, the clamping column is clamped with the cylindrical clamping groove, and the circular table clamping column is clamped with the circular table limit groove.

A further improvement of the technical solution of the present invention is that an air pressure groove is arranged inside the fixing structure, a communication hole is opened in the middle of the air pressure suction cup, and the air pressure suction cup is communicated with the air pressure groove through the communication hole, and the inside of the air pressure groove is arranged. A pressurization structure is provided, and the number of pressurization structures provided inside each side of the air pressure groove is five. The interior of the pressurization structure is fixedly connected with a one-way valve, and the lower end of the pressurization structure is slidably connected and tightly connected. Cooperate with setting limit pressure barrel.

A further improvement of the technical solution of the present invention is that: a pressure column is arranged inside the pressurizing structure, a cross groove is formed at the upper end of the pressure column, and an air pressure hole is formed at the lower end of the limit pressure barrel, and the limit pressure A spring is arranged in the middle of the interior of the barrel, the outer surface of the lower end of the pressure column is slidably connected with the inner surface of the limiting pressure barrel, and the lower end of the pressure column is fixedly connected with one end of the spring.

A further improvement of the technical solution of the present invention is that: a bottom block is arranged inside the clamping structure, an adjusting rod is fixedly connected to the upper part of the middle part of one side of the bottom block, and a reinforcing rod is movably connected to the middle part of one side of the bottom block. The upper end of one side of the bottom block is movably connected with a splint, and the bottom of the splint on the side close to the bottom block and the side away from the reinforcing rod is fixedly connected with a clamping block, and the clamping block on both sides of the clamping block is fixedly connected. A rubber clamping ball is fixedly connected under the middle part, a bottom groove is opened under the side of the bottom block away from the adjustment rod, and a clamping groove is opened under the middle part of the bottom block on the side close to the splint and away from the adjustment rod , ball grooves are provided in the middle of both sides of the snap groove.

A further improvement of the technical solution of the present invention is that: the limit structure is provided with a push block limit groove inside, and both sides of the push block limit groove are provided with a push block chute, two of the push block chute An adjustment push block is slidably connected between them, a tension spring is fixedly connected to one side of the adjustment push block, a tension groove is provided on the side of the tension spring away from the adjustment push block, and the tension spring is away from the adjustment push block. One end of the block is connected with the tightening groove, the lower end of the adjusting push block is slidably connected to a limiting block, and one end of the limiting block away from the adjusting push block is provided with trapezoidal teeth.

A further improvement of the technical solution of the present invention is that: one end of the adjusting rod away from the bottom block is slidably connected to the limit groove, and two ends of the side of the reinforcing rod away from the bottom block are slidably connected to the clamping limit groove, the The side of the L-shaped support rod away from the clamping structure is movably connected with the side of the clamping block away from the circular table clamping column, the air pressure groove is arranged inside the fixing plate, and the communication hole penetrates the side of the fixing plate away from the L-shaped support rod Connected with the air pressure groove, the lower end of the limiting pressure barrel is fixedly connected with the inner end of the fixed plate close to the L-shaped support rod, and the outer surface of the pressure column is slidably connected and tightly connected with the side of the fixed plate away from the L-shaped support rod In cooperation, the push block limit slots are located on both sides of the middle of the upper end of the L-shaped support rod away from the connecting structure, and the lower end of the limit block fits with the upper end of the adjustment rod.

Due to adopting the above-mentioned technical scheme, the technical progress achieved by the present invention relative to the prior art is:

1. The present invention provides a portable design drawing display stand for industrial design. Through exquisite design, it adopts the combination of air pressure groove, air pressure suction cup, pressurized structure, one-way valve and limit pressure barrel. When the surface of the display stand contacts and deforms, the air is compressed into the air pressure groove by the communication hole, so that the internal air pressure of the air pressure groove is greater than the external air pressure. When the upper end of the pressure column is in contact with the surface of the display table, the gas in the pressure tank can be further discharged through the sliding between the pressure column and the limit pressure barrel, and then the pressure column is pushed up by the elastic force of the spring. At this time, the air pressure The internal pressure of the groove is smaller than the external air pressure, so that the one-way valve is closed. At the same time, due to the elastic force of the spring, the internal air pressure of the air pressure groove is twitched. The gap between the surfaces of the shelf is pumped, thereby increasing the suction force between the air pressure suction cup and the display shelf, so that the stability of the present invention is greatly improved.

2. The present invention provides a portable design drawing display stand for industrial design. By adopting the combination of the air pressure suction cup and the fixing plate, when the fixing plate is fixed on the display stand, the present invention can be fixed on the display stand through the principle of triangular stability. on the display stand, so that the present invention has better stability.

3. The present invention provides a portable design drawing display stand for industrial design. By adopting the clamping arrangement between the cylindrical clamping slot, the circular platform limit slot and the clamping column and the circular platform clamping column, the clamping block can be separated from the clamping plate at any time. And through the clamping connection between the circular platform limit slot and the circular platform clamping column, the clamping block can be limited to prevent it from falling and tilting, so that the stability of the present invention is further improved, so that the position of the L-shaped support rod can be changed at any time. , to move the drawings to facilitate the comparison between drawings for the convenience of teaching.

4. The present invention provides a portable design drawing display stand for industrial design. By adopting the arrangement between the bottom block, the adjusting rod and the reinforcing rod, the bottom block and the adjusting rod are kept away from one end of the bottom block, and the reinforcing rod is far away from the bottom block. A triangle is formed between one end, and the triangle stability theorem is used to support the adjustment rod, so that the stability of the clamping structure is improved when it is stretched, and the stability of the present invention is greatly improved. With the design of the clamping groove and the ball groove, through the plasticity of the clamping block itself, the rubber clamping ball and the ball groove are clamped, so that the present invention can clamp the paper of different drawings to different degrees, and then Guarantee the integrity of the drawings.

5. The present invention provides a portable design drawing display stand for industrial design. By adjusting the mutual extrusion between the push block and the inclined planes between the limit blocks, the limit blocks move downward, so that the limit blocks will The adjustment rod is clamped, and the trapezoidal teeth set on the limit block can increase the friction force between the limit block and the adjustment rod, so as to limit the adjustment rod, so as to move and adjust the clamping structure. Holds drawings of different sizes.

Description of drawings

Fig. 1 is the structural representation of the present invention;

Fig. 2 is the unfolded structure schematic diagram of the present invention;

3 is a schematic diagram of the connection position structure between the L-shaped support rod, the plastic splint, the clamping structure and the limiting structure of the present invention;

Fig. 4 is the structural representation of the connection structure of the present invention;

Fig. 5 is the internal structure schematic diagram of the fixing structure of the present invention;

6 is a schematic diagram of the assembly structure of the clamping structure of the present invention and the L-shaped support rod;

7 is a schematic structural diagram of the clamping structure of the present invention;

Fig. 8 is the enlarged structural schematic diagram of A region in Fig. 3 of the present invention;

Fig. 9 is the enlarged structural schematic diagram of B region in Fig. 5 of the present invention;

FIG. 10 is a schematic diagram of an enlarged structure of the C region in FIG. 6 of the present invention.

In the figure: 1. Fixing plate; 2. L-shaped support rod; 21. Limiting slot; 22. Supporting limiting slot; 23. Clipping limiting slot; 3. Plastic splint; ;411, cylindrical clamping slot; 412, circular platform limit slot; 42, clamping block; 421, clamping column; 422, circular platform clamping column; 5, fixed structure; 51, air pressure groove; 52, air pressure suction cup; 521, communication hole; 53, pressurization structure; 531, pressure column; 532, cross groove; 54, one-way valve; 55, limit pressure barrel; 551, air pressure hole; 552, spring; 6, clamping structure; 61, bottom block; 611 , bottom groove; 612, snap slot; 613, ball slot; 62, adjustment rod; 63, reinforcement rod; 64, splint; 641, snap block; 642, rubber clip; 7, limit structure; 71, adjustment Push block; 72, limit block; 73, push block limit groove; 74, push block chute; 75, tension groove; 76, tension spring.

Detailed ways

Below in conjunction with embodiment, the present invention is described in further detail:

Example 1

As shown in Fig. 1-Fig. 10, the present invention provides a portable design drawing display stand for industrial design, including a fixed plate 1, the number of the fixed plates 1 is two, and the two fixed plates 1 are movably connected with a connection Structure 4, one end of the connecting structure 4 is movably connected with the L-shaped support rod 2, the corner positions on both sides of the L-shaped support rod 2 are fixedly connected with plastic splints 3, and the one end and the lower end of the L-shaped support rod 2 away from the connecting structure 4 A clamping structure 6 is slidably connected to each other, and a limit slot 21 , a support limit slot 22 and a snap limit slot 23 are provided on both sides of the inner middle of the L-shaped support rod 2 , and the limit slot 21 is located in the support limit slot. Above the 22, the clamping limit slot 23 is opened below the middle of the support limit slot 22. The upper end of the L-shaped support rod 2 is close to one end of the limit slot 21 and close to the side of the clamping structure 6. A limiting structure 7 is provided, the side of the fixing plate 1 away from the L-shaped support rod 2 is provided with a fixing structure 5, and the interior of the fixing structure 5 is provided with an air pressure suction cup 52, and the air pressure suction cup 52 is arranged on the card plate 41 away from the L-shaped support rod 2. The corner, the lower end and the side away from the connecting structure 4 on the side.

In this embodiment, through the arrangement of the air pressure suction cup 52 and the fixing plate 1, when the fixing plate 1 is fixed on the display stand, the present invention can be fixed on the display stand through the principle of triangular stability, so that the present invention has a relatively high performance. good stability.

Example 2

As shown in FIG. 6 , on the basis of Embodiment 1, the present invention provides a technical solution: the upper and lower ends of the clamping limit groove 23 are provided with arc-shaped clamping grooves, and this design serves to hold the reinforcing rod 63 when it is supported. , to increase the friction force between the reinforcement rod 63 and the clamping limit groove 23 , so that the reinforcement rod 63 cannot move, thereby increasing the stability of the clamping structure 6 .

Example 3

As shown in FIG. 4 and FIG. 8 , on the basis of Embodiment 1, the present invention provides a technical solution: preferably, a card board 41 is provided inside the connection structure 4 , and one side of the card board 41 is clamped and provided with a card board. Block 42, the interior of the clamping plate 41 is provided with a cylindrical clamping groove 411, the upper and lower ends of the cylindrical clamping groove 411 are provided with a circular platform limit groove 412, and the middle part of one side of the clamping block 42 is provided with a clamping column 421. Both ends are fixedly connected with a round table clamping column 422, two round table clamping columns 422 are respectively fixedly connected with the upper and lower ends of one side of the clamping block 42, the clamping column 421 is clamped with the cylindrical clamping slot 411, and the round table clamping column 422 is limited with the round table. The slot 412 is snap-connected.

In this embodiment, the clamping block 42 can be detached from the clamping plate 41 at any time through the clamping arrangement between the cylindrical clamping slot 411, the circular platform limiting slot 412 and the clamping column 421 and the circular platform clamping column 422, and pass through the circular platform limiting slot. The clamping connection between 412 and the round table clamping column 422 can limit the clamping block 42 to prevent it from falling and inclining, so that the stability of the present invention is further improved, so that the position of the L-shaped support rod 2 can be changed at any time. Move the drawings to facilitate comparison between drawings for teaching purposes.

Example 4

As shown in FIG. 5 and FIG. 9 , on the basis of Embodiment 1, the present invention provides a technical solution: an air pressure groove 51 is provided inside the fixing structure 5 , a communication hole 521 is opened in the middle of the air pressure suction cup 52 , and the air pressure suction cup 52 The air pressure groove 51 is communicated with the air pressure groove 51 through the communication hole 521 . The air pressure groove 51 is provided with a pressurizing structure 53 . The number of the pressurizing structures 53 provided in each side of the air pressure groove 51 is five, and the interior of the pressurizing structure 53 is fixedly connected. There is a one-way valve 54, and the lower end of the pressurizing structure 53 is slidably connected and tightly fitted with a limited pressure barrel 55.

The pressurizing structure 53 is provided with a pressure column 531, and the upper end of the pressure column 531 is provided with a cross groove 532. The cross groove 532 can discharge gas when the upper end of the pressure column 531 is in contact with the surface of the display stand. The lower end of the pressure barrel 55 is provided with an air pressure hole 551, the inner middle of the limit pressure barrel 55 is provided with a spring 552, and the outer surface of the lower end of the pressure column 531 is slidably connected with the inner surface of the limit pressure barrel 55. The lower end is fixedly connected with one end of the spring 552 .

In this embodiment, through the arrangement of the air pressure groove 51 , the air pressure suction cup 52 , the pressurizing structure 53 , the one-way valve 54 and the limit pressure barrel 55 , the air pressure suction cup 52 is brought into contact with the surface of the display stand and deformed by pressing. When the air pressure is increased, the air is compressed into the air pressure groove 51 by the communication hole 521, so that the internal air pressure of the air pressure groove 51 is greater than the external air pressure, and the one-way valve 54 is opened by the increase of air pressure, and the air pressure is discharged. When the upper end of the air conditioner is in contact with the surface of the display stand, the gas in the air pressure groove 51 can be further discharged through the sliding between the pressure column 531 and the limit pressure barrel 55, and then the pressure column 531 is pushed up by the elastic force of the spring 552. At this time, the internal pressure of the air pressure groove 51 is smaller than the external air pressure, so that the one-way valve 54 is closed. At the same time, due to the elastic force of the spring 552, the internal air pressure of the air pressure groove 51 is twitched. According to the principle, the gap between the air pressure suction cup 52 and the surface of the display stand is pumped, thereby increasing the suction force between the air pressure suction cup 52 and the display stand, so that the stability of the present invention is greatly improved.

Example 5

As shown in FIG. 7 , on the basis of Embodiment 1, the present invention provides a technical solution: a bottom block 61 is provided inside the clamping structure 6 , and an adjusting rod 62 is fixedly connected above the middle of one side of the bottom block 61 , The middle of one side of the bottom block 61 is movably connected with a reinforcing rod 63, and the upper end of one side of the bottom block 61 is movably connected with a splint 64, and the bottom of the splint 64 on the side of the bottom block 61 away from the reinforcing rod 63 is fixedly connected. There is a clamping block 641 , a rubber clamping ball 642 is fixedly connected to the lower part of the middle of both sides of the clamping block 641 , and a bottom groove 611 is opened under the side of the bottom block 61 away from the adjusting rod 62 . A snap groove 612 is formed at the bottom of the middle of the side away from the adjusting rod 62 , and ball grooves 613 are defined in the middle of both sides of the snap groove 612 .

In this embodiment, through the arrangement between the bottom block 61 , the adjusting rod 62 and the reinforcing rod 63 , the bottom block 61 , one end of the adjusting rod 62 away from the bottom block 61 , and one end of the reinforcing rod 63 far away from the bottom block 61 constitute a structure. A triangle, using the triangle stability theorem, makes the adjustment rod 62 be supported, so that the stability of the clamping structure 6 is improved when it is stretched, and then the stability of the present invention is greatly improved. With the design of the snap groove 612 and the ball groove 613, through the plasticity of the snap block 641 itself, the rubber snap ball 642 and the ball groove 613 are snapped together, so that the present invention can be used for different drawings. Clamping to ensure the integrity of the drawings.

Example 6

As shown in FIG. 6 and FIG. 10 , on the basis of Embodiment 1, the present invention provides a technical solution: a push block limit groove 73 is provided inside the limit structure 7 , and both sides of the push block limit groove 73 are A push block chute 74 is provided, an adjustment push block 71 is slidably connected between the two push block chute 74, and a tension spring 76 is fixedly connected to one side of the adjustment push block 71, and the tension spring 76 is far away from the adjustment push block 71. A tensioning groove 75 is provided on one side, and one end of the tensioning spring 76 away from the adjusting push block 71 is connected with the tensioning groove 75 in a specified manner. One end is provided with trapezoidal teeth.

In this embodiment, by adjusting the push block 71 to press the inclined surfaces between the limit blocks 72 to each other, the limit blocks 72 are moved downward, so that the limit blocks 72 clamp the adjustment rod 62, Through the trapezoidal teeth provided on the limit block 72, the friction force between the limit block 72 and the adjustment rod 62 can be increased, so that the adjustment rod 62 can be limited, and the clamping structure 6 can be moved and adjusted to adjust the position of the adjustment rod 62. Holds drawings of different sizes.

Example 7

As shown in Figures 1-10, on the basis of Embodiment 1, Embodiment 2, and Embodiment 3, the present invention provides a technical solution: one end of the adjusting rod 62 away from the bottom block 61 is slidably connected to the limit groove 21, and the The two ends of the side of the rod 63 away from the bottom block 61 are slidably and clamped with the clamping limit groove 23 . This design adjusts and restricts the movement of the clamping structure 6 , and the L-shaped support rod 2 is away from the side of the clamping structure 6 . It is movably connected to the side of the clamping block 42 away from the clamping column 422 of the round table. This design plays a role of facilitating the page turning of the drawing. The air pressure groove 51 is arranged inside the fixing plate 1, and the communication hole 521 penetrates the fixing plate 1 and is away from the L-shaped support. One side of the rod 2 is communicated with the air pressure groove 51, the lower end of the limiting pressure barrel 55 is fixedly connected with the inner end of the fixed plate 1 close to the L-shaped support rod 2, and the outer surface of the pressure column 531 and the fixed plate 1 are away from the L-shaped support rod. One side of the L-shaped support rod 2 is slidably connected and tightly matched, and the push block limit grooves 73 are located on both sides of the middle of the upper end of the L-shaped support rod 2 away from the side of the connecting structure 4 . The clamping structure 6 is adjusted one by one, and the lower end of the limiting block 72 is fitted with the upper end of the adjusting rod 62 .

The working principle of the portable design drawing display stand for industrial design will be described in detail below.

Preparation stage: as shown in Figure 1-4, Figure 6-8, Figure 10, first unfold the portable design drawing display stand for industrial design, take out the L-shaped support rod 2, and make the clamping column 421 and the round table clamping column 422 Separate from the cylindrical clamping slot 411 and the circular platform limit slot 412, then open the splint 64, first insert the drawing from the side of the plastic splint 3, and then slide the adjusting push block 71 along the side close to the adjusting rod 62 to make the limit The block 72 is only subjected to its own gravity, and then the bottom block 61 is pulled, so that the adjusting rod 62 slides in the limit slot 21, and the reinforcing rod 63 slides in the clamping limit groove 23. When the bottom block 61 is moved to a suitable distance, the reinforcement The rod 63 is clamped with the arc-shaped clamping groove in the clamping limit groove 23, and the tensioning spring 76 stretches the adjustment push block 71, so that the adjustment push block 71 moves. The inclined surface is designed so that the limit block 72 is squeezed, so that the lower end of the limit block 72 is snapped with the upper end of the adjustment rod 62, so that the adjustment rod 62 is fixed, and then the edge of the drawing is placed on the bottom block 61, and then Press down the splint 64 to make the snap block 641 snap into the snap slot 612, and continue to press to snap the rubber snap ball 642 to the ball slot 613. The drawing is clamped to different degrees, and finally the circular table clamping column 422 and the clamping column 421 can be clamped with the cylindrical clamping slot 411 and the circular platform limit slot 412 respectively, and different numbers of L-shaped support rods can be clamped according to different needs. 2.

Use stage: as shown in FIG. 2 , open the two fixing plates 1, and adsorb the air pressure suction cup 52 on the display board by pressing. During the pressing process, the 530 retracts, and the air in the air pressure groove 51 is discharged through the one-way valve 54. , the gas is discharged through the cross groove 532, and then the pressure column 531 is squeezed upward by the spring 552, so that the gas in the 561 is pumped, so that the air pressure in the air pressure groove 51 is reduced, so that the air pressure suction cup 52 is adsorbed on the display board. During the display process, the circular platform clamping column 422 and the clamping column 421 can be separated from the circular platform limiting groove 412 and the cylindrical clamping groove 411 for recombination.

The present invention has been generally described in detail above, but on the basis of the present invention, some modifications or improvements can be made, which will be obvious to those skilled in the art. Therefore, modifications or improvements without departing from the spirit of the present invention are all within the protection scope of the present invention.

Claims (8)

1. The utility model provides a portable design drawing show shelf for industrial design, includes fixed plate (1), its characterized in that: the quantity of fixed plate (1) is two, two swing joint has connection structure (4) between fixed plate (1), the one end swing joint of connection structure (4) has L type bracing piece (2), the equal fixedly connected with plastics splint (3) in turning position of the both sides of L type bracing piece (2), the equal sliding connection of one end and the lower extreme of keeping away from connection structure (4) of L type bracing piece (2) has clamping structure (6), spacing groove (21), support spacing groove (22) and joint spacing groove (23) have all been seted up to the both sides at the middle part of the inside of L type bracing piece (2), spacing groove (21) are located the top of supporting spacing groove (22), the below at the middle part of supporting spacing groove (22) is seted up to joint spacing groove (23), the both sides at the middle part of one side that L type bracing piece (2) upper end is close to spacing groove (21) and is close to clamping structure (6) all are provided with limit structure(s), (two 7) The fixing plate is characterized in that one side, far away from the L-shaped supporting rod (2), of the fixing plate (1) is provided with a fixing structure (5), an air pressure sucking disc (52) is arranged inside the fixing structure (5), and the air pressure sucking disc (52) is arranged at the corner part and the lower end of one side, far away from the L-shaped supporting rod (2), of the clamping plate (41) and on one side, far away from the connecting structure (4).

2. A portable design drawing display stand for industrial design according to claim 1, wherein: the upper end and the lower end of the clamping limiting groove (23) are provided with arc-shaped clamping grooves.

3. A portable design drawing display stand for industrial design according to claim 1, wherein: the utility model discloses a clamping device for the round platform of a motor vehicle, including connection structure (4), cardboard (41), fixture block (42) are provided with in one side joint of cardboard (41), cylinder draw-in groove (411) have been seted up to the inside of cardboard (41), round platform spacing groove (412) have all been seted up to the upper and lower end of cylinder draw-in groove (411), the middle part of one side of fixture block (42) is provided with card post (421), the equal fixedly connected with round platform card post (422) in both ends of card post (421), two round platform card post (422) respectively with the upper and lower end fixed connection of one side of fixture block (42), card post (421) and cylinder draw-in groove (411) joint set up, round platform card post (422) and round platform spacing groove (412) joint set up.

4. A portable design drawing display stand for industrial design according to claim 3, wherein: the inside of fixed knot structure (5) is provided with atmospheric pressure groove (51), intercommunicating pore (521) have been seted up at the middle part of atmospheric pressure sucking disc (52), atmospheric pressure sucking disc (52) set up through intercommunicating pore (521) and atmospheric pressure groove (51) intercommunication, the inside of atmospheric pressure groove (51) is provided with pressure boost structure (53), the quantity that the inside of every side of atmospheric pressure groove (51) set up pressure boost structure (53) is five, the inside fixedly connected with check valve (54) of pressure boost structure (53), the lower extreme sliding connection of pressure boost structure (53) just closely cooperates and is provided with spacing pressure bucket (55).

5. A portable design drawing display stand for industrial design according to claim 4, wherein: the pressure boosting structure is characterized in that a pressure column (531) is arranged in the pressure boosting structure (53), a cross groove (532) is formed in the upper end of the pressure column (531), an air pressure hole (551) is formed in the lower end of the limiting pressure barrel (55), a spring (552) is arranged in the middle of the inside of the limiting pressure barrel (55), the outer surface of the lower end of the pressure column (531) is in sliding connection with the inner surface of the limiting pressure barrel (55), and the lower end of the pressure column (531) is fixedly connected with one end of the spring (552).

6. A portable design drawing display stand for industrial design according to claim 5, wherein: a bottom block (61) is arranged inside the clamping structure (6), an adjusting rod (62) is fixedly connected above the middle part of one side of the bottom block (61), the middle part of one side of the bottom block (61) is movably connected with a reinforcing rod (63), the upper end of one side of the bottom block (61) is movably connected with a clamping plate (64), a clamping block (641) is fixedly connected below one side of the clamping plate (64) close to one side of the bottom block (61) and far away from the reinforcing rod (63), a rubber clamping ball (642) is fixedly connected to the lower part of the middle part of the two sides of the clamping block (641), a bottom groove (611) is arranged below one side of the bottom block (61) far away from the adjusting rod (62), the bottom block (61) is close to one side of the clamping plate (64) and is far away from the middle lower part of one side of the adjusting rod (62), a clamping groove (612) is formed in the middle of the two sides of the clamping groove (612), and a ball groove (613) is formed in the middle of the two sides of the clamping groove (612).

7. A portable design drawing display stand for industrial design according to claim 6, wherein: the inside of limit structure (7) is provided with ejector pad spacing groove (73), ejector pad spout (74), two has all been seted up to the both sides of ejector pad spacing groove (73) sliding connection has between ejector pad spout (74) adjusts ejector pad (71), one side fixedly connected with straining spring (76) of adjusting ejector pad (71), one side that adjusting ejector pad (71) was kept away from in straining spring (76) is provided with straining groove (75), the one end that adjusting ejector pad (71) was kept away from in straining spring (76) is connected with straining groove (75) regulation, the lower extreme sliding connection of adjusting ejector pad (71) has stopper (72), the one end that adjusting ejector pad (71) was kept away from in stopper (72) is provided with trapezoidal tooth.

8. A portable design drawing display stand for industrial design according to claim 7, wherein: adjust pole (62) and keep away from the one end and the spacing groove (21) sliding connection of bottom block (61), the both ends and the joint spacing groove (23) sliding joint of one side of bottom block (61) are kept away from in stiffener (63), the one side swing joint of round platform card post (422) is kept away from with fixture block (42) to one side that centre gripping structure (6) were kept away from in L type bracing piece (2), atmospheric pressure groove (51) set up the inside at fixed plate (1), one side and atmospheric pressure groove (51) intercommunication that L type bracing piece (2) were kept away from in fixed plate (1) are run through in intercommunicating pore (521), the one end fixed connection that L type bracing piece (2) was close to the lower extreme of spacing pressure bucket (55) and the inside of fixed plate (1), one side sliding connection and the inseparable fit of L type bracing piece (2) are kept away from to the surface of pressure post (531) and fixed plate (1), ejector pad spacing groove (73) are located the middle part of one side that L type bracing piece (4) were kept away from to the upper end of L type bracing piece (2) The lower end of the limiting block (72) is attached to the upper end of the adjusting rod (62).

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