CN114571907A - Drawing frame capable of being displayed outdoors for drawing of industrial design drawing - Google Patents

Abstract

The invention relates to an easel, in particular to an easel which can be displayed outdoors and is used for drawing industrial design drawings. The invention provides an outdoor-display drawing frame for drawing industrial design drawings, which can not only perform multi-angle drawing, but also adjust the drawing height. The invention provides an outdoor-displayable drawing frame for drawing of an industrial design drawing, which comprises a first mounting plate, a storage box and the like; the rear side of first mounting panel is connected with C shape handle, can conveniently carry in the open air, and the equal slidingtype case that is used for depositing the instrument that is equipped with of the anterior left and right sides of first mounting panel. Through rotatory first articulated slab, slip extension plate, can make this drawing frame pack up fast conveniently and expand, rethread C shape handle can conveniently carry this drawing frame to the outdoor place that needs carry out the drawing, drives the angle that the drawing board can be adjusted to the link rearward movement, can also adjust the height of this drawing frame through sliding the extension plate.

Description

Drawing frame capable of being displayed outdoors for drawing of industrial design drawing

Technical Field

The invention relates to an easel, in particular to an easel which can be displayed outdoors and is used for drawing industrial design drawings.

Background

Industrial design is abbreviated as ID, along with the increasing expansion of the field of industrial design, different fields have respective characteristics, although the design fields are numerous, most of them have the same characteristic, namely, the design scheme is expressed by a specific means, manuscript drawing is a common traditional expression means in the design field, a drawing frame is needed to be used for assisting drawing in the drawing process, because some industrial designs usually need to be drawn in some specific places, and some existing drawing frames are not portable due to the simplicity of the design mechanism, which can bring great trouble to designers.

For example, patent grant publication number is CN214340868U, announces a drawing frame for industrial design that day is 20211008, including supporting the base, the upper surface that supports the base has been seted up and has been accomodate the groove, the upper end of accomodating the groove is rotated through the pivot and is connected with first frame plate, one side fixed surface of first frame plate is connected with the limiting plate, the limiting plate articulates through articulated piece has the second frame plate, one side fixed mounting of limiting plate has positive magnetic path, one side fixed mounting of second frame plate has negative magnetic path, the arrangement groove has been seted up on the surface of second frame plate. This drawing frame for industrial design although can reach folding expansion freely under the cooperation of positive magnetic path, negative magnetic path and limiting plate when using, makes things convenient for the effect of carrying in later stage, but only can't reach the height that the operating personnel painted through the support that supports the base well, need place this drawing frame for industrial design on the desktop can use well when using, also can't adjust the height of drawing board in addition, has the limitation.

According to the shortcoming that exists among the above-mentioned prior art, the drawing frame that can not only can carry out the drawing in multi-angle that can overcome prior art shortcoming is designed to this, can also adjust the industrial design drawing of drawing height and can outdoor show.

Disclosure of Invention

In order to overcome the defects that the painting frame for industrial design can be well used only by placing the painting frame on an upper surface and the height of a painting board cannot be adjusted and limitation exists in the prior art, the invention provides the painting frame which can be used for carrying out multi-angle painting and can be used for outdoor display of industrial design drawings with adjustable painting height.

In order to solve the technical problem, the invention provides an outdoor-displayable drawing frame for drawing industrial design drawings, which comprises a first mounting plate, a storage box, a second mounting plate, a supporting mechanism, an adjusting mechanism and a pressing mechanism, wherein the rear side of the first mounting plate is connected with a C-shaped handle, the storage box for storing tools is arranged on the left side and the right side of the front part of the first mounting plate in a sliding mode, the second mounting plate is connected with the upper side of the rear part of the first mounting plate, the first mounting plate is provided with the supporting mechanism for supporting the first mounting plate in a falling mode, the second mounting plate is provided with the adjusting mechanism for adjusting the drawing angle, and the adjusting mechanism is provided with the pressing mechanism for pressing drawing paper.

Preferably, the supporting mechanism is including the rolling disc, the fixed plate, first articulated slab, extension plate and bracing piece, the bottom mediolateral rotary type of first mounting panel is equipped with the rolling disc, the interval is connected with four fixed plates uniformly on the outer face of cylinder of rolling disc, four fixed plates are kept away from all to articulate on the one end of rolling disc and are had first articulated slab, the downside of the first articulated slab of four is all slidingtype and is equipped with the extension plate, the bottom mediolateral rotary type of first mounting panel is equipped with the bracing piece that is used for blocking four extension plates, the bracing piece contacts with four extension plates.

Preferably, adjustment mechanism is including drawing board, second articulated slab and link, and the anterior articulated drawing board that has of second mounting panel, and the equal rotary type in rear portion left and right sides of drawing board is equipped with the second articulated slab, and the rotary type is equipped with the link that slidingtype runs through in the second mounting panel between the front side of two second articulated slabs.

Preferably, hold-down mechanism is including first fixed block, first reset spring, a pressing plate, the installation piece, the guide arm, second reset spring and second fixture block, the rear side of drawing board is connected with the first fixed block that is used for the direction, the upper portion slidingtype cover of first fixed block is equipped with the clamp plate, be connected with between clamp plate and the first fixed block around establishing the first reset spring in the first fixed block outside, the anterior left and right sides symmetrical formula of drawing board is connected with the installation piece, the equal slidingtype of upper portion of two installation pieces has penetrated the guide arm, all be connected with the second fixture block that is used for blocking the clamp plate on the one side that two guide arms leave mutually, be connected with between second fixture block and the adjacent installation piece around establishing the second reset spring in the adjacent guide arm outside.

Preferably, the drawing board fixing device further comprises a fixing mechanism for fixing the drawing board, the fixing mechanism comprises a first clamping block, a supporting plate, first connecting springs and a ratchet bar, the first clamping block is connected to the upper side of the middle of the connecting frame, the supporting plates are symmetrically connected to the left side and the right side of the bottom of the second mounting plate, and the ratchet bar used for clamping the first clamping block is connected to one side, away from the two supporting plates, of the two supporting plates through the three first connecting springs.

Preferably, still including being used for assisting the complementary unit of fixed establishment, complementary unit is including the briquetting, the push pedal, second coupling spring and first connecting plate, the middle part downside symmetrical formula of two ratchet bars is connected with first connecting plate, the equal slidingtype of the middle part left and right sides of first mounting panel runs through the push pedal that is used for blocking first connecting plate, the push pedal of the left and right sides contacts with the first connecting plate of the left and right sides respectively, two push pedals all with be connected with second coupling spring between the first mounting panel, the middle part rear side of the first articulated slab of the left and right sides all is connected with the briquetting that is used for blocking the push pedal, the briquetting contacts with the push pedal.

Preferably, still including the measuring mechanism who is used for carrying out the survey drawing, measuring mechanism is equipped with the slider including slider, connecting rod and measuring tape, the equal slidingtype of right part upside and rear portion upside of clamp plate, and the upside of two sliders all is connected with the connecting rod, and the downside of two connecting rods all is connected with the measuring tape, and two measuring tapes are non-contact mutually perpendicular and set up.

Preferably, still including the mechanism that bears that is used for modulating the colour, bear the mechanism including the second connecting plate, the second fixed block, third reset spring and palette, the rear portion upside of first mounting panel is connected with the second fixed block, the equal slidingtype palette that is equipped with in the rear portion left and right sides of first mounting panel, two palettes all with be connected with third reset spring between the second fixed block, the lower part rear side of two push pedals all is connected with the second connecting plate that is used for blocking adjacent palette, the second connecting plate of the left and right sides contacts with the palette of the left and right sides respectively.

On the basis of overcoming the defects of the prior art, the invention can also achieve the following beneficial effects:

1. through rotatory first articulated slab, slip extension plate, can make this drawing frame pack up fast conveniently and expand, rethread C shape handle can conveniently carry this drawing frame to the outdoor place that needs carry out the drawing, drives the angle that the drawing board can be adjusted to the link rearward movement, can also adjust the height of this drawing frame through sliding the extension plate.

2. When the operator drives the connecting frame to move backwards, the connecting frame can drive the first clamping block to move backwards, the first clamping block can be clamped through the ratchet bar, the drawing board can be stabilized, the drawing board is prevented from being inclined accidentally, and the operator can be guaranteed to draw stably.

3. The measuring scale is driven to move through the connecting rod, when the measuring scale is needed, an operator can use the measuring scale to measure drawings, and therefore drawing can be conveniently and accurately conducted by the operator.

4. Need use the pigment when can bearing the drawing through the palette, also can mix colours simultaneously to pigment, made things convenient for the operating personnel to carry out the colored drawing, increased the practicality to the palette is the slidingtype setting on first mounting panel, when need not to use the palette, the operating personnel can pack up the palette, saves space and protects the palette with this.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a partial perspective sectional view of the present invention.

Fig. 3 is a schematic view of a first partial body structure of the adjusting mechanism of the present invention.

Fig. 4 is a schematic view of a second partial body structure of the adjusting mechanism of the present invention.

Fig. 5 is a schematic perspective view of the supporting mechanism of the present invention.

Fig. 6 is a schematic perspective view of a part of the supporting mechanism of the present invention.

Fig. 7 is a partial perspective sectional view of the support mechanism of the present invention.

Fig. 8 is an enlarged view of the invention at a.

Fig. 9 is a perspective sectional view of the fixing mechanism of the present invention.

Fig. 10 is a partial perspective view of the present invention.

Fig. 11 is an enlarged view of the invention at B.

Fig. 12 is a schematic perspective view of the pressing mechanism of the present invention.

Fig. 13 is a schematic perspective view of the carrying mechanism of the present invention.

Fig. 14 is a partial perspective sectional view of the support mechanism of the present invention.

The labels in the figures are: 1-a first mounting plate, 11-a storage box, 2-a second mounting plate, 3-a support mechanism, 31-a rotating disc, 32-a fixing plate, 33-a first hinge plate, 34-an extension plate, 35-a support rod, 4-an adjustment mechanism, 41-a palette, 42-a second hinge plate, 43-a link, 5-a fixing mechanism, 44-a first latch, 51-a support plate, 52-a first link spring, 53-a ratchet bar, 6-an auxiliary mechanism, 61-a press block, 62-a push plate, 63-a second link spring, 64-a first link plate, 7-a pressing mechanism, 71-a first fixing block, 72-a first return spring, 73-a press plate, 74-a mounting block, 75-a guide rod, 76-a second return spring, 77-a second clamping block, 8-a measuring mechanism, 81-a sliding block, 82-a connecting rod, 83-a measuring scale, 9-a bearing mechanism, 91-a second connecting plate, 92-a second fixing block, 93-a third return spring and 94-a color palette.

Detailed Description

The invention is further described below with reference to the figures and examples.

Example 1

The utility model provides an industrial design drawing is with drawing frame that can open air show, as shown in figure 1, including first mounting panel 1, case 11, second mounting panel 2, supporting mechanism 3, adjustment mechanism 4 and hold-down mechanism 7, the rear side bolt of first mounting panel 1 has C shape handle, can conveniently carry in the open air, the equal slidingtype case 11 that is equipped with in the anterior left and right sides of first mounting panel 1, the rear portion upside bolt of first mounting panel 1 has connect second mounting panel 2, be provided with supporting mechanism 3 on the first mounting panel 1, be provided with adjustment mechanism 4 on the second mounting panel 2, be provided with hold-down mechanism 7 on the adjustment mechanism 4.

As shown in fig. 5, the supporting mechanism 3 includes a rotating disc 31, a fixed plate 32, a first hinge plate 33, an extension plate 34 and a supporting rod 35, the rotating disc 31 is rotatably disposed at the bottom middle side of the first mounting plate 1, the rotating disc 31 is shaped like a circular ring, four fixed plates 32 are uniformly bolted on the outer cylindrical surface of the rotating disc 31 at intervals, one ends of the four fixed plates 32, which are far away from the rotating disc 31, are hinged with the first hinge plate 33, the extension plate 34 is slidably disposed at the lower sides of the four first hinge plates 33, the supporting rod 35 is rotatably disposed at the bottom middle side of the first mounting plate 1, and the supporting rod 35 is in contact with the four extension plates 34.

As shown in fig. 4, the adjusting mechanism 4 includes a drawing board 41, second hinge plates 42 and a connecting frame 43, the front portion of the second mounting plate 2 is hinged with the drawing board 41, the left and right sides of the rear portion of the drawing board 41 are rotatably provided with the second hinge plates 42, and the connecting frame 43 slidably penetrating through the second mounting plate 2 is rotatably provided between the front sides of the two second hinge plates 42.

As shown in fig. 10, 11 and 12, the pressing mechanism 7 includes a first fixing block 71, a first return spring 72, a pressing plate 73, a mounting block 74, a guide rod 75, a second return spring 76 and a second fixture block 77, the first fixing block 71 is welded on the rear side of the drawing board 41, the pressing plate 73 is slidably sleeved on the upper portion of the first fixing block 71, the first return spring 72 wound on the outer side of the first fixing block 71 is connected between the pressing plate 73 and the first fixing block 71, the mounting blocks 74 are symmetrically bolted on the left and right sides of the front portion of the drawing board 41, the guide rods 75 are slidably penetrated through the upper portions of the two mounting blocks 74, the second fixture block 77 is welded on the side where the two guide rods 75 are separated, and the second return spring 76 wound on the outer side of the adjacent guide rod 75 is connected between the second fixture block 77 and the adjacent mounting block 74.

When an operator needs to use the drawing frame to draw outdoors, firstly, the operator can conveniently carry the drawing frame to the outdoor place needing drawing through the C-shaped handle on the first mounting plate 1, after the operator carries the drawing frame to the outdoor place needing drawing, the initially supporting rod 35 clamps the extension plate 34, the operator drives the supporting rod 35 to rotate for 45 degrees, so that the supporting rod 35 loosens the extension plate 34, then the operator drives the first hinged plate 33 to rotate for 90 degrees, the first hinged plate 33 drives the extension plate 34 to rotate for 90 degrees, after the extension plate 34 rotates for 90 degrees, the operator can slide the extension plate 34 on the first hinged plate 33, so as to adjust the height of the drawing frame, then the operator can make the extension plate 34 contact with the ground, so that the drawing can be placed on the ground, at the moment, the operator places paper on the upper side of the drawing board 41, then the pressing plate 73 is driven to move downwards, the first return spring 72 is compressed, the pressing plate 73 can press the two second clamping blocks 77 to move in a direction away from each other in the process of moving downwards, the second return spring 76 is compressed, the pressing plate 73 continues to move downwards to loosen the two second clamping blocks 77, the second return spring 76 is reset, the two second clamping blocks 77 can move in the opposite direction to clamp the pressing plate 73 under the reset action of the second return spring 76, so that the drawing paper is clamped on the drawing board 41 by the pressing plate 73, at the moment, an operator stands in the easel to draw for drawing, the operator pulls the storage box 11 forwards, tools for picking and placing the drawing by the operator can be conveniently carried out by the storage box 11 through the storage box 11, then the storage box 11 is driven to move backwards to retract, the operator rotates the drawing board 41 upwards slightly, then the connecting frame 43 is driven to move backwards, the connecting frame 43 drives the drawing board 41 to rotate through the second hinge plate 42, therefore, the angle of the drawing paper can be adjusted through the drawing board 41, so that an operator can conveniently perform multi-angle drawing, and meanwhile, the painting works drawn by the operator can be displayed, meanwhile, the operator rotates the first mounting plate 1, the first mounting plate 1 can rotate on the rotating disc 31, the first mounting plate 1 can drive the drawing board 41 to rotate through the second mounting plate 2, so that the drawing position can be adjusted, after the operator finishes drawing, the operator drives the two second fixture blocks 77 to move in the opposite direction, the second reset spring 76 compresses, the two second fixture blocks 77 move in the opposite direction to release the pressing plate 73, the first reset spring 72 resets, the pressing plate 73 can move upwards under the reset action of the first reset spring 72 to release the drawing paper, at the moment, the operator can take the drawing paper off from the drawing board 41, and then the operator drives the connecting frame 43 to move forwards, the connecting frame 43 can drive the drawing board 41 to rotate reversely through the second hinged plate 42, so that the drawing board 41 can be reset, after the drawing board 41 is reset, an operator grasps the C-shaped handle to drive the drawing frame to move upwards, the extension plate 34 is separated from the ground, then the extension plate 34 is driven to move upwards on the first hinged plate 33 to reset, after the extension plate 34 moves upwards to the limit, the operator drives the first hinged plate 33 to rotate reversely by 90 degrees, in the process, the operator needs to rotate the supporting rod 35, so that the supporting rod 35 is prevented from blocking the extension plate 34, the first hinged plate 33 can drive the extension plate 34 to reset and pack up, then the operator rotates the supporting rod 35 again, the supporting rod 35 clamps the extension plate 34, and therefore the drawing frame can be restored to the initial state.

Example 2

On the basis of embodiment 1, as shown in fig. 2 and 9, the drawing board fixing device further includes a fixing mechanism 5 for fixing the drawing board 41, the fixing mechanism 5 includes a first fixture block 44, a support plate 51, first connecting springs 52 and ratchet bars 53, the first fixture block 44 is bolted on the upper side of the middle portion of the connecting frame 43, the support plates 51 are symmetrically welded on the left and right sides of the bottom of the second mounting plate 2, and the ratchet bars 53 are connected to the separated sides of the two support plates 51 through three first connecting springs 52.

As shown in fig. 6, 7 and 8, the fixing device further comprises an auxiliary mechanism 6 for assisting the fixing mechanism 5, the auxiliary mechanism 6 comprises a pressing block 61, a pushing plate 62, a second connecting spring 63 and a first connecting plate 64, the first connecting plate 64 is symmetrically bolted on the lower sides of the middle portions of the two ratchet bars 53, the pushing plate 62 penetrates through the left side and the right side of the middle portion of the first mounting plate 1 in a sliding manner, the pushing plates 62 on the left side and the right side are respectively contacted with the first connecting plate 64 on the left side and the right side, the second connecting spring 63 is connected between the two pushing plates 62 and the first mounting plate 1, the pressing block 61 is welded on the rear side of the middle portion of the first hinge plate 33 on the left side and the right side, and the pressing block 61 is contacted with the pushing plate 62.

When the operator drives the first hinge plate 33 to rotate, the first hinge plate 33 will drive the pressing block 61 to rotate and release the pressing plate 62, the second connecting spring 63 is reset, the pressing plate 62 will move downwards to release the first connecting plate 64 under the action of the reset of the second connecting spring 63, the first connecting spring 52 is reset, the left and right ratchet bars 53 will move in the direction of separation under the action of the reset of the first connecting spring 52 and drive the left and right first connecting plates 64 to move in the direction of opposition, when the operator moves the connecting frame 43 backwards, the connecting frame 43 will drive the first clamping block 44 to move backwards, the first clamping block 44 will press the left and right ratchet bars 53 to move in the direction of separation during the backward movement of the first clamping block 44, the first connecting spring 52 is compressed, the first latch 44 continuously moves backwards to release the ratchet bars 53 at the left and right sides, the first connecting spring 52 is reset, the ratchet bars 53 at the left and right sides move in opposite directions to lock the first latch 44 under the action of the reset of the first connecting spring 52, at this time, the first latch 44 cannot move forwards to stabilize the drawing board 41, and prevent the drawing board 41 from being accidentally tilted, then when the operator drives the first hinge plate 33 to rotate reversely, the first hinge plate 33 drives the press block 61 to rotate reversely to press the push plate 62 to move upwards, the second connecting spring 63 is compressed, the push plate 62 moves upwards to press the first connecting plate 64, the first connecting plates 64 at the left and right sides move in opposite directions to respectively drive the ratchet bars 53 at the left and right sides to move in opposite directions, the first connecting spring 52 is compressed, the ratchet bars 53 at the left and right sides move in opposite directions to release the first latch 44, at this time, the operator can normally move the connecting frame 43 forward, thereby resetting the drawing board 41.

Example 3

On the basis of embodiment 2, as shown in fig. 1, 10 and 11, the measuring device further comprises a measuring mechanism 8, the measuring mechanism 8 comprises a sliding block 81, a connecting rod 82 and measuring rulers 83, the sliding block 81 is slidably arranged on the upper side of the right part and the upper side of the rear part of the pressure plate 73, the connecting rod 82 is welded on the upper sides of the two sliding blocks 81, the measuring rulers 83 are bolted to the lower sides of the two connecting rods 82, and the two measuring rulers 83 are vertically arranged in a non-contact manner.

When the pressing plate 73 clamps the drawing paper, the operator can drive the measuring scale 83 to move through the connecting rod 82, and when the requirement exists, the operator can use the measuring scale 83 to measure the drawing.

Example 4

On the basis of embodiment 3, as shown in fig. 1, 13 and 14, the color modulation device further includes a bearing mechanism 9 for modulating colors, the bearing mechanism 9 includes a second connecting plate 91, a second fixing block 92, a third return spring 93 and a color palette 94, the second fixing block 92 is bolted to the upper side of the rear portion of the first mounting plate 1, the color palettes 94 are slidably disposed on the left and right sides of the rear portion of the first mounting plate 1, the color palettes 94 on the left and right sides are respectively located on the left and right sides of the second fixing block 92, the third return spring 93 is connected between the two color palettes 94 and the second fixing block 92, the second connecting plate 91 is welded to the rear side of the lower portion of the two push plates 62, and the second connecting plates 91 on the left and right sides are respectively contacted with the color palettes 94 on the left and right sides.

The initial push plate 62 blocks the palette 94, the third return spring 93 is in a compressed state, the palette 94 is located right below the first mounting plate 1, when the operator rotates to open the first hinge plate 33, the push plate 62 moves upwards to release the palette 94, the third return spring 93 returns, the palettes 94 on the left side and the right side move in a direction away from each other and extend out from the lower side of the first mounting plate 1 under the action of the return of the third return spring 93, at the moment, the operator can pour pigment onto the palette 94, the palette 94 can bear the pigment required to be used during drawing, the operator can color the pigment on the palette 94, after the operator finishes drawing, the operator cleans the palette 94 again, then drives the palettes 94 on the left side and the right side to move in opposite directions, the third return spring 93 returns, the operator rotates the first hinge plate 33 reversely, the pusher plate 62 is then moved downward to again jam the palette 94, thereby retracting the palette 94.

The above examples are merely representative of preferred embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, various changes, modifications and substitutions can be made without departing from the spirit of the present invention, and these are all within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (8)

1. The utility model provides an industrial design drawing is with drawing frame that can open air show, including first mounting panel (1), case (11) and second mounting panel (2), the rear side of first mounting panel (1) is connected with C shape handle, the equal slidingtype case (11) that are used for the strorage instrument that are equipped with in the anterior left and right sides of first mounting panel (1), the rear portion upside of first mounting panel (1) is connected with second mounting panel (2), a serial communication port, still including supporting mechanism (3), adjustment mechanism (4) and hold-down mechanism (7), be provided with supporting mechanism (3) that are used for falling to the ground to support on first mounting panel (1), be provided with adjustment mechanism (4) that are used for adjusting the drawing angle on second mounting panel (2), be provided with hold-down mechanism (7) that are used for compressing tightly drawing paper on adjustment mechanism (4).

2. The drawing frame capable of being displayed outdoors for drawing industrial design drawings as claimed in claim 1, wherein the supporting mechanism (3) comprises a rotating disc (31), a fixing plate (32), a first hinged plate (33), an extension plate (34) and a supporting rod (35), the rotating disc (31) is rotatably arranged at the middle of the bottom of the first mounting plate (1), four fixing plates (32) are uniformly connected to the outer cylindrical surface of the rotating disc (31) at intervals, the first hinged plate (33) is hinged to one end, away from the rotating disc (31), of each four fixing plates (32), the extension plate (34) is slidably arranged at the lower side of each four first hinged plates (33), the supporting rod (35) for clamping the four extension plates (34) is rotatably arranged at the middle of the bottom of the first mounting plate (1), and the supporting rod (35) is in contact with the four extension plates (34).

3. The outdoor-exhibition easel for industrial design drawings and paintings according to claim 2, wherein the adjusting mechanism (4) comprises a drawing board (41), a second hinged plate (42) and a connecting frame (43), the drawing board (41) is hinged to the front portion of the second mounting plate (2), the second hinged plate (42) is rotatably arranged on the left side and the right side of the rear portion of the drawing board (41), and the connecting frame (43) which slidably penetrates through the second mounting plate (2) is rotatably arranged between the front sides of the two second hinged plates (42).

4. The drawing frame capable of being displayed outdoors for drawing industrial design drawings as claimed in claim 3, wherein the pressing mechanism (7) comprises a first fixing block (71), a first return spring (72), a pressing plate (73), a mounting block (74), a guide rod (75), a second return spring (76) and a second clamping block (77), the rear side of the drawing board (41) is connected with the first fixing block (71) for guiding, the pressing plate (73) is slidably sleeved on the upper portion of the first fixing block (71), the first return spring (72) wound on the outer side of the first fixing block (71) is connected between the pressing plate (73) and the first fixing block (71), the mounting blocks (74) are symmetrically connected on the left side and the right side of the front portion of the drawing board (41), the guide rods (75) are slidably penetrated through the upper portions of the two mounting blocks (74), the second clamping block (77) used for the pressing plate (73) is connected on the clamping side where the two guide rods (75) are separated, and a second return spring (76) wound on the outer side of the adjacent guide rod (75) is connected between the second clamping block (77) and the adjacent mounting block (74).

5. The drawing frame capable of being displayed outdoors for drawing industrial design drawings according to claim 4, further comprising a fixing mechanism (5) for fixing the drawing board (41), wherein the fixing mechanism (5) comprises a first clamping block (44), a supporting plate (51), a first connecting spring (52) and a ratchet bar (53), the first clamping block (44) is connected to the upper side of the middle of the connecting frame (43), the supporting plates (51) are symmetrically connected to the left side and the right side of the bottom of the second mounting plate (2), and the ratchet bar (53) for clamping the first clamping block (44) is connected to one side of the two supporting plates (51) which are separated from each other through three first connecting springs (52).

6. The drawing frame capable of being displayed outdoors for drawing industrial design drawings according to claim 5, characterized in that the drawing frame further comprises an auxiliary mechanism (6) for assisting the fixing mechanism (5), the auxiliary mechanism (6) comprises a pressing block (61), a pushing plate (62), a second connecting spring (63) and a first connecting plate (64), the first connecting plate (64) is symmetrically connected to the lower side of the middle part of the two ratchet bars (53), the pushing plates (62) for clamping the first connecting plate (64) are slidably penetrated through the left and right sides of the middle part of the first mounting plate (1), the pushing plates (62) on the left and right sides are respectively contacted with the first connecting plate (64) on the left and right sides, the second connecting spring (63) is connected between the two pushing plates (62) and the first mounting plate (1), the pressing blocks (61) for clamping the pushing plates (62) are connected to the rear side of the middle part of the first hinge plates (33) on the left and right sides, the pressing block (61) is in contact with the push plate (62).

7. The drawing frame capable of being displayed outdoors for drawing industrial design drawings according to claim 6, further comprising a measuring mechanism (8) for measuring drawings, wherein the measuring mechanism (8) comprises a sliding block (81), a connecting rod (82) and a measuring ruler (83), the sliding block (81) is arranged on the upper side of the right part and the upper side of the rear part of the pressing plate (73) in a sliding manner, the connecting rod (82) is connected to the upper sides of the two sliding blocks (81), the measuring rulers (83) are connected to the lower sides of the two connecting rods (82), and the two measuring rulers (83) are arranged in a non-contact manner and perpendicular to each other.

8. The outdoor-displayable easel for drawing industrial design drawings according to claim 7, its characterized in that still including being used for modulating the mechanism of bearing (9) of colour, bear mechanism (9) including second connecting plate (91), second fixed block (92), third reset spring (93) and palette (94), the rear portion upside of first mounting panel (1) is connected with second fixed block (92), the rear portion left and right sides of first mounting panel (1) all slidingly is equipped with palette (94), be connected with third reset spring (93) between two palette (94) all and second fixed block (92), the lower part rear side of two push pedal (62) all is connected with second connecting plate (91) that are used for blocking adjacent palette (94), the second connecting plate (91) of the left and right sides contact with palette (94) of the left and right sides respectively.

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