CN209862921U - Wall map support - Google Patents

Abstract

The utility model relates to a support, more specifically the wall map support that says so, including support seat mechanism, carousel mechanism, flexible adjustment mechanism, fixed long-bar mechanism, fixed short-bar mechanism and clip map mechanism, the device can be according to the size of wall map, adjust flexible adjustment mechanism's length, press from both sides the both sides respectively in clip map mechanism with the both sides of wall map upper end, and then satisfy the wall map of variation in size, if throw away the operation requirement that can't satisfy wall map by a wide margin with this kind of method, can adjust to the longest with two flexible adjustment mechanism that are in the right angle relation, press from both sides respectively in the clip map mechanism that these two flexible adjustment mechanism are connected with the both sides of wall map upper end again, this device can also hang a plurality of wall maps simultaneously, and can support the carousel through rotating at any time, the different wall maps of conversion are watched.

Description

Wall map support

Technical Field

The utility model relates to a support, more specifically the wall map support that says so.

Background

For example, a hanging map frame with publication number CN201557801U, the structure of the frame includes a base, a supporting sleeve, a lifting rod, a support and a supporting rod, the supporting sleeve is disposed on the base, the lower end of the lifting rod passes through the upper end of the supporting sleeve and is slidably connected with the upper end of the supporting sleeve, the upper portion of the lifting rod is connected with the right end of the support, an inlet slot is disposed at the bottom end of the right portion of the support, a guide slot is disposed inside the support and is matched with pulleys disposed at two ends of the supporting rod, and a plug body is disposed at the front. The frame is reasonable in design, simple in structure and convenient to use, can be used for hanging a plurality of pictures, can be replaced in sequence, facilitates the work of teachers, and improves the teaching level. The device can not adjust the picture clamping width of the bracket according to the size of the hanging pictures, thereby limiting the types and the sizes of the hanging pictures, having shielding property between the hanging pictures and being incapable of hanging a plurality of hanging pictures simultaneously.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a wall map support can be according to the double-layered picture width of wall map size regulation support, and can hang a plurality of wall maps simultaneously.

The purpose of the utility model is realized through the following technical scheme:

a wall map support comprises a support supporting seat mechanism, a rotary table mechanism, a telescopic adjusting mechanism, a fixed long rod mechanism, a fixed short rod mechanism and a map clamping mechanism, wherein the support supporting seat mechanism comprises a cross supporting base, a connecting supporting sleeve rod, a connecting supporting bolt hole, a connecting sliding rod hole, a fixing bolt and a rotary table fixing rod;

the rotary table mechanism comprises a supporting rotary table, a rotary table fixing hole, sliding rail loop bars I, sliding rail loop bars II, connecting blocks, long connecting rods and short connecting rods, the rotary table fixing hole is formed in the middle end of the supporting rotary table, the sliding rail loop bars I are fixedly connected to the left side and the right side of the front side and the rear side of the upper end of the supporting rotary table, the sliding rail loop bars II are fixedly connected to the left side and the right side of the front side and the rear side of the lower end of the supporting rotary table, the connecting blocks are fixedly connected to the lower ends of the four sliding rail loop bars I and the lower ends of the four sliding rail loop bars II, the long connecting rods are fixedly connected to the lower ends of the connecting blocks at the front end and the rear end, the short connecting rods are fixedly connected;

the telescopic adjusting mechanism comprises a middle telescopic adjusting sleeve, limit small plates I, a telescopic adjusting rod, limit small plates II, a fixed rubber sleeve and a handle, wherein the limit small plates I are fixedly connected at the inner end of the middle telescopic adjusting sleeve, the telescopic adjusting rod is slidably connected in the middle telescopic adjusting sleeve, the limit small plates II are fixedly connected at the inner end of the limit small plates II, the fixed rubber sleeve is fixedly connected at the outer end of the telescopic adjusting rod, the handle is fixedly connected at the outer end of the fixed rubber sleeve, the telescopic adjusting mechanism is provided with eight sliding rail sleeve rods I, and the middle telescopic adjusting sleeve is slidably connected in each of the four sliding rail sleeve rods I and the four sliding rail sleeve rods II;

the fixed long rod mechanism comprises a fixed frame I and a drawing clamping mechanism connecting long rod, the upper end of the drawing clamping mechanism connecting long rod is rotatably connected to the fixed frame I, and the lower ends of the handles positioned at the left end and the right end are fixedly connected in the fixed frame I;

the fixed short rod mechanism comprises a fixed frame II and a drawing clamping mechanism connecting short rod, the upper end of the drawing clamping mechanism connecting short rod is fixedly connected to the drawing clamping mechanism connecting short rod, and the lower ends of the handles positioned at the front end and the rear end are fixedly connected in the fixed frame II;

the chart clamping mechanism comprises a chart clamping connecting sleeve, a chart clamping connecting frame, a channel hole, two springs, a chart clamping plate and a handle rod, the chart clamping connecting frame is fixedly connected to the lower end of the chart clamping connecting sleeve, the outer end of the chart clamping connecting frame is provided with the channel hole, the two springs are fixedly connected to the outer end of the chart clamping connecting frame, the chart clamping plate is fixedly connected to the inner ends of the two springs, the inner end of the handle rod is fixedly connected to the chart clamping plate, the outer end of the handle rod is slidably connected to the channel hole, and the lower ends of four chart clamping mechanism connecting long rods and the lower ends of four chart clamping mechanism connecting short rods are rotatably connected to the chart clamping connecting sleeve.

As a further optimization of this technical scheme, the utility model relates to a wall map support, support supporting seat mechanism still stores box and universal assembly pulley including storing box and the connection slide bar, universal assembly pulley is provided with four, and four universal assembly pulley difference fixed connection are on the four corners of cross support base.

As a further optimization of this technical scheme, the utility model relates to a wall map support, it still includes the rubber pad to press from both sides picture mechanism, the rubber pad is provided with two, two rubber pads, and equal fixed connection is on pressing from both sides picture linking frame's inner end.

The utility model relates to a wall map support's beneficial effect does:

the device can adjust the length of the telescopic adjusting mechanism according to the size of the wall map, the two sides of the upper end of the wall map are respectively clamped in the wall map clamping mechanism, and then the wall map with different sizes is met, if the use requirement of the large-amplitude wall map cannot be met by the method, two telescopic adjusting mechanisms in a right angle relation can be adjusted to be longest, and then the two sides of the upper end of the wall map are respectively clamped in the wall map clamping mechanisms connected with the two telescopic adjusting mechanisms.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Fig. 1 is a schematic view of the overall structure of a wall map bracket of the present invention;

fig. 2 is a partial structural diagram of the present invention;

FIG. 3 is a schematic structural view of the whole part of the present invention;

fig. 4 is a schematic structural view of the stand supporting base mechanism of the present invention;

FIG. 5 is a schematic view of a partial structure of the support seat mechanism of the present invention;

fig. 6 is a first schematic structural diagram of the supporting turntable of the present invention;

fig. 7 is a second schematic structural view of the supporting turntable of the present invention;

fig. 8 is a schematic structural view of the telescopic adjustment mechanism of the present invention;

fig. 9 is a schematic structural view of a cross section of the telescopic adjustment mechanism of the present invention;

fig. 10 is a schematic structural view of the fixed long rod mechanism of the present invention;

fig. 11 is a schematic structural view of the short rod fixing mechanism of the present invention;

fig. 12 is a schematic structural view of the image clamping mechanism of the present invention.

In the figure: a support seat mechanism 1; a cross support base 1-1; connecting a support loop bar 1-2; connecting support bolt holes 1-3; connecting sliding rods 1-4; connecting a slide rod hole 1-5; 1-6 of a fixing bolt; fixing a rotary table by 1-7; storage boxes 1-8; 1-9 parts of universal pulley block; a turntable mechanism 2; a support turntable 2-1; 2-2 of a turntable fixing hole; a sliding rail loop bar I2-3; a sliding rail sleeve rod II 2-4; 2-5 of a connecting block; connecting long rods 2-6; connecting short rods 2-7; a telescopic adjusting mechanism 3; 3-1 of a middle telescopic adjusting sleeve; limiting small plates I3-2; a telescopic adjusting rod 3-3; 3-4 parts of a limiting small plate II; 3-5 of a fixed rubber sleeve; 3-6 of a handle; a fixed long rod mechanism 4; a fixed frame I4-1; the picture clamping mechanism is connected with a long rod 4-2; a fixed short rod mechanism 5; a fixed frame II 5-1; the figure clamping mechanism is connected with a short rod 5-2; a clamping mechanism 6; the clamping connection sleeve 6-1; a clip connection frame 6-2; channel holes 6-3; 6-4 of a spring; 6-5 of a picture clamping plate; 6-5 of a handle rod; 6-6 parts of rubber pad.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The first embodiment is as follows:

the embodiment is described below with reference to fig. 1 to 12, and a wall chart support comprises a support seat mechanism 1, a turntable mechanism 2, a telescopic adjustment mechanism 3, a fixed long rod mechanism 4, a fixed short rod mechanism 5 and a wall chart clamping mechanism 6, wherein the device can adjust the length of the telescopic adjustment mechanism 3 according to the size of a wall chart, and clamp the two sides of the upper end of the wall chart in the wall chart clamping mechanisms respectively, so as to meet the wall charts with different sizes, if the use requirements of large-scale wall charts cannot be met by the method, the two telescopic adjustment mechanisms 3 in a right-angle relation can be adjusted to be longest, and then clamp the two sides of the upper end of the wall chart in the wall chart clamping mechanisms 6 connected with the two telescopic adjustment mechanisms 3 respectively, the device can also simultaneously hang a plurality of wall charts, and can be seen by rotating the support turntable 2-1 at any time to convert different wall charts, the support seat mechanism 1 comprises a cross support base 1-1, A connecting support loop bar 1-2, a connecting support bolt hole 1-3, a connecting slide bar 1-4, a connecting slide bar hole 1-5, a fixing bolt 1-6 and a turntable fixing bar 1-7, wherein the connecting support loop bar 1-2 is fixedly connected with the upper end of a cross support base 1-1, the connecting support bolt hole 1-3 is arranged on the connecting support loop bar 1-2, the connecting slide bar 1-4 is connected in the connecting support loop bar 1-2 in a sliding way, the lower end of the connecting slide bar 1-4 is provided with a plurality of connecting slide bar holes 1-5, the left end of the fixing bolt 1-6 is connected in the connecting support bolt hole 1-3 in a rotating way through screw threads, the right end of the fixing bolt 1-6 is connected in one connecting slide bar hole 1-5 in a rotating way through screw threads, the whole height of the bracket is adjusted, the turntable fixing rod 1-7 is fixedly connected to the upper end of the connecting slide rod 1-4;

the turntable mechanism 2 comprises a supporting turntable 2-1, turntable fixing holes 2-2, sliding rail loop bars I2-3, sliding rail loop bars II 2-4, connecting blocks 2-5, long connecting rods 2-6 and short connecting rods 2-7, the turntable fixing holes 2-2 are arranged at the middle end of the supporting turntable 2-1, the sliding rail loop bars I2-3 are fixedly connected to the left and right sides of the front and back sides of the upper end of the supporting turntable 2-1, the sliding rail loop bars II 2-4 are fixedly connected to the left and right sides of the front and back sides of the lower end of the supporting turntable 2-1, the connecting blocks 2-5 are fixedly connected to the lower ends of the four sliding rail loop bars I2-3 and the lower ends of the four sliding rail loop bars II 2-4, the long connecting rods 2-6 are fixedly connected to the lower ends of the connecting blocks 2-5 at the front and back ends, the lower ends of the connecting blocks 2-5 positioned at the left end and the right end are fixedly connected with connecting short rods 2-7, the turntable fixing rods 1-7 are rotatably connected in the turntable fixing holes 2-2, before installation, the upper ends of the turntable fixing rods 1-7 are in a separated state from the main body, when installation, the fixing rods 1-7 are firstly placed in the turntable fixing holes 2-2, then the upper ends of the turntable fixing rods 1-7 are fixed on the main body of the turntable fixing rods 1-7, the turntables 2-1 are rotatably supported by taking the axes of the turntable fixing rods 1-7 as central lines, and clamped hanging drawings can be converted for viewing;

the telescopic adjusting mechanism 3 comprises a middle telescopic adjusting sleeve 3-1, a small limit plate I3-2, a telescopic adjusting rod 3-3, a small limit plate II 3-4, a fixed rubber sleeve 3-5 and a handle 3-6, when different sizes of hanging pictures need to be hung, the middle telescopic adjusting sleeve 3-1 can slide inwards or outwards from the sliding rail sleeve rod I2-3 or the sliding rail sleeve rod II 2-4 along the axial direction of the middle telescopic adjusting sleeve 3-3 and the middle telescopic adjusting sleeve 3-1 along the axial direction of the telescopic adjusting rod according to the sizes of the hanging pictures, and further the hanging pictures with different sizes can be hung, the small limit plate I3-2 can be arranged to prevent the middle telescopic adjusting sleeve 3-1 from sliding rail sleeve rod I2-3 and the sliding rail sleeve rod II 2-4 from sliding, and the small limit plate II 3-4 can be arranged to prevent the telescopic adjusting sleeve 3-3 from sliding out of the telescopic adjusting sleeve 3-3 from the small limit plate I3-4 3-1, a limit small plate I3-2 is fixedly connected at the inner end of a middle telescopic adjusting sleeve 3-1, a telescopic adjusting rod 3-3 is slidably connected in the middle telescopic adjusting sleeve 3-1, a limit small plate II 3-4 is fixedly connected at the inner end of the limit small plate II 3-4, a fixed rubber sleeve 3-5 is fixedly connected at the outer end of the telescopic adjusting rod 3-3, when a certain telescopic adjusting mechanism 3 is not used, the middle telescopic adjusting sleeve 3-1 slides inwards to the tail end in a sliding rail sleeve rod I2-3 or a sliding rail sleeve rod II 2-4 along the axial direction, the telescopic adjusting rod 3-3 slides inwards to the tail end in the middle telescopic adjusting sleeve 3-1 along the axial direction, and the fixed rubber sleeve 3-5 is buckled at the outer end of the sliding rail sleeve rod I2-3 or the sliding rail sleeve rod II 2-4, the fixed telescopic adjusting mechanism is used for saving space, the handle 3-6 is fixedly connected to the outer end of the fixed rubber sleeve 3-5, and the telescopic adjusting mechanism 3 is provided with eight, four sliding rail sleeve rods I2-3 and four sliding rail sleeve rods II 2-4 which are all connected with a middle telescopic adjusting sleeve 3-1 in a sliding manner;

the long fixing rod mechanism 4 comprises a fixing frame I4-1 and a long clamping mechanism connecting rod 4-2, the upper end of the long clamping mechanism connecting rod 4-2 is rotatably connected to the fixing frame I4-1, and the lower ends of handles 3-6 positioned at the left end and the right end are fixedly connected in the fixing frame I4-1;

the fixed short rod mechanism 5 comprises a fixed frame II 5-1 and a chart clamping mechanism connecting short rod 5-2, the upper end of the chart clamping mechanism connecting short rod 5-2 is fixedly connected to the chart clamping mechanism connecting short rod 5-2, and the lower ends of handles 3-6 positioned at the front end and the rear end are fixedly connected in the fixed frame II 5-1;

the picture clamping mechanism 6 comprises a picture clamping connecting sleeve 6-1, a picture clamping connecting frame 6-2, a passage hole 6-3, springs 6-4, picture clamping plates 6-5 and a handle rod 6-6, the picture clamping connecting frame 6-2 is fixedly connected to the lower end of the picture clamping connecting sleeve 6-1, the outer end of the picture clamping connecting frame 6-2 is provided with the passage hole 6-3, the number of the springs 6-4 is two, two springs 6-4 are fixedly connected to the outer end of the picture clamping connecting frame 6-2, the picture clamping plates 6-5 are fixedly connected to the inner ends of the two springs 6-4, the inner end of the handle rod 6-6 is fixedly connected to the picture clamping plate 6-5, the outer end of the handle rod 6-6 is slidably connected into the passage hole 6-3, and the lower ends of four picture clamping mechanism connecting long rods 4-2 and the lower ends of four picture clamping mechanism connecting short rods 5-2 are rotatably connected In the picture clamping connecting sleeve 6-1, when the picture is not clamped, the picture clamping plate 6-5 and the rubber pad 6-7 are in a tightly attached state, the picture clamping plate 6-5 and the rubber pad 6-7 are pulled outwards along the axial direction of the handle rod 6-6 by hand, the two springs 6-4 are further compressed, the two springs 6-4 drive the picture clamping plate 6-5 to be away from the rubber pad 6-7, then one side of the upper end of the picture is placed between the picture clamping plate 6-5 and the rubber pad 6-7, at the moment, the handle rod 6-6 is loosened, the picture clamping plate 6-5 is reset under the elastic force of the two springs 6-4, the picture clamping plate 6-5 and the rubber pad 6-7 clamp one side of the upper end of the picture, after the length of the telescopic adjusting mechanism 3 is adjusted, two sides of the picture clamping mechanism are respectively clamped in the two picture clamping mechanisms 6, the two picture clamping mechanisms 6 are respectively connected to the picture clamping mechanism connecting long Or the figure clamping mechanism is connected with the short rod 5-2 and the short rod 2-7.

The second embodiment is as follows:

the following describes the present embodiment with reference to fig. 1 to 12, which further describes the first embodiment, the support base mechanism 1 further includes four storage boxes 1 to 8 and four universal pulley blocks 1 to 9, the storage boxes 1 to 8 are fixedly connected to the connecting sliding rods 1 to 4, the universal pulley blocks 1 to 9 are provided with four, the four universal pulley blocks 1 to 9 are respectively and fixedly connected to four corners of the cross support base 1 to 1, the four universal pulley blocks 1 to 9 are provided to facilitate the movement of the device, and the four universal pulley blocks 1 to 9 have a self-locking function.

The third concrete implementation mode:

the embodiment is described below with reference to fig. 1 to 12, and the embodiment further describes the first embodiment, the illustration clamping mechanism 6 further includes two rubber pads 6-7, and two rubber pads 6-7 are provided on the two rubber pads 6-7, and are both fixedly connected to the inner end of the illustration clamping connecting frame 6-2.

The utility model discloses a wall map support, its theory of operation is:

when the device is used, the left end of the fixing bolt 1-6 is rotatably connected in the connecting support bolt hole 1-3 through threads, the right end of the fixing bolt 1-6 is rotatably connected in one connecting slide rod hole 1-5 through threads, the integral height of the support is adjusted, when hanging pictures with different sizes are required to be hung, the middle telescopic adjusting sleeve 3-1 can slide inwards or outwards from the slide rail sleeve rod I2-3 or the slide rail sleeve rod II 2-4 along the axial direction of the middle telescopic adjusting sleeve 3-1 according to the size of the hanging pictures, the telescopic adjusting rod 3-3 can also slide inwards or outwards from the middle telescopic adjusting sleeve 3-1 along the axial direction of the middle telescopic adjusting sleeve 3-3, so that hanging pictures with different sizes can be hung, the limit small plate I3-2 is arranged to prevent the middle telescopic adjusting sleeve 3-1 from sliding out from the slide rail sleeve rod I2-3 and the slide rail sleeve rod II 2-4, the small limiting plate II 3-4 is arranged to prevent the telescopic adjusting rod 3-3 from sliding out of the telescopic adjusting sleeve 3-1, when a hanging picture is not clamped, the picture clamping plate 6-5 and the rubber pad 6-7 are in a close fit state, a hand pulls outwards along the axial direction of the handle rod 6-6, then the two springs 6-4 are compressed, the two springs 6-4 drive the picture clamping plate 6-5 to be away from the rubber pad 6-7, then one side of the upper end of the hanging picture is placed between the picture clamping plate 6-5 and the rubber pad 6-7, at the moment, the handle rod 6-6 is loosened, the picture clamping plate 6-5 is reset under the elastic force of the two springs 6-4, the picture clamping plate 6-5 and the rubber pad 6-7 clamp one side of the upper end of the hanging picture, after the length of the telescopic adjusting mechanism 3 is adjusted, the two sides of the upper end of the hanging picture are respectively clamped in the, two picture clamping mechanisms 6 are respectively connected to a picture clamping mechanism long connecting rod 4-2 and a long connecting rod 2-6 or a picture clamping mechanism short connecting rod 5-2 and a short connecting rod 2-7 which are positioned in the same direction, when a certain telescopic adjusting mechanism 3 is not used, a middle telescopic adjusting sleeve 3-1 slides inwards to the tail end in a sliding rail sleeve rod I2-3 or a sliding rail sleeve rod II 2-4 along the axial direction, then a telescopic adjusting rod 3-3 slides inwards to the tail end in the middle telescopic adjusting sleeve 3-1 along the axial direction, a fixed rubber sleeve 3-5 is buckled at the outer end of the sliding rail sleeve rod I2-3 or the sliding rail sleeve rod II 2-4 to fix the telescopic adjusting mechanism and save space, a rotary supporting rotary disc 2-1 is rotated by taking the axis of the rotary disc fixed rod 1-7 as a central line, the clipped hanging chart can be converted for viewing.

Of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and the changes, modifications, additions or replacements made by those skilled in the art within the scope of the present invention also belong to the protection scope of the present invention.

Claims (3)

1. The utility model provides a wall map support, includes support seat mechanism (1), carousel mechanism (2), flexible adjustment mechanism (3), fixed long rod mechanism (4), fixed short rod mechanism (5) and presss from both sides picture mechanism (6), its characterized in that: the support supporting seat mechanism (1) comprises a cross supporting base (1-1), a connecting supporting sleeve rod (1-2), a connecting supporting bolt hole (1-3), a connecting sliding rod (1-4), a connecting sliding rod hole (1-5), a fixing bolt (1-6) and a turntable fixing rod (1-7), the connecting supporting sleeve rod (1-2) is fixedly connected to the upper end of the cross supporting base (1-1), the connecting supporting bolt hole (1-3) is arranged on the connecting supporting sleeve rod (1-2), the connecting sliding rod (1-4) is connected in the connecting supporting sleeve rod (1-2) in a sliding manner, the lower end of the connecting sliding rod (1-4) is provided with a plurality of connecting sliding rod holes (1-5), the left end of the fixing bolt (1-6) is rotatably connected in the connecting supporting bolt hole (1-3), the right end of the fixed bolt (1-6) is rotatably connected in one connecting slide rod hole (1-5), and the turntable fixed rod (1-7) is fixedly connected at the upper end of the connecting slide rod (1-4);

the rotary table mechanism (2) comprises a supporting rotary table (2-1), rotary table fixing holes (2-2), sliding rail loop bars I (2-3), sliding rail loop bars II (2-4), connecting blocks (2-5), long connecting rods (2-6) and short connecting rods (2-7), the rotary table fixing holes (2-2) are formed in the middle end of the supporting rotary table (2-1), the sliding rail loop bars I (2-3) are fixedly connected to the left side and the right side of the front side and the rear side of the upper end of the supporting rotary table (2-1), the sliding rail loop bars II (2-4) are fixedly connected to the left side and the right side of the front side and the rear side of the lower end of the supporting rotary table (2-1), the connecting blocks (2-5) are fixedly connected to the lower ends of the four sliding rail loop bars I (2-3) and the lower ends of the four sliding rail loop bars II (, the lower ends of the connecting blocks (2-5) positioned at the front end and the rear end are fixedly connected with long connecting rods (2-6), the lower ends of the connecting blocks (2-5) positioned at the left end and the right end are fixedly connected with short connecting rods (2-7), and the turntable fixing rods (1-7) are rotatably connected in the turntable fixing holes (2-2);

the telescopic adjusting mechanism (3) comprises a middle telescopic adjusting sleeve (3-1), limit small plates I (3-2), telescopic adjusting rods (3-3), limit small plates II (3-4), fixed rubber sleeves (3-5) and handles (3-6), the limit small plates I (3-2) are fixedly connected at the inner ends of the middle telescopic adjusting sleeve (3-1), the telescopic adjusting rods (3-3) are slidably connected in the middle telescopic adjusting sleeve (3-1), the limit small plates II (3-4) are fixedly connected at the inner ends of the limit small plates II (3-4), the fixed rubber sleeves (3-5) are fixedly connected at the outer ends of the telescopic adjusting rods (3-3), the handles (3-6) are fixedly connected at the outer ends of the fixed rubber sleeves (3-5), eight telescopic adjusting mechanisms (3) are arranged, the four sliding rail sleeve rods I (2-3) and the four sliding rail sleeve rods II (2-4) are connected with middle telescopic adjusting sleeves (3-1) in a sliding manner;

the long fixing rod mechanism (4) comprises a fixing frame I (4-1) and a long drawing mechanism connecting rod (4-2), the upper end of the long drawing mechanism connecting rod (4-2) is rotatably connected to the fixing frame I (4-1), and the lower ends of handles (3-6) positioned at the left end and the right end are fixedly connected in the fixing frame I (4-1);

the fixed short rod mechanism (5) comprises a fixed frame II (5-1) and a chart clamping mechanism connecting short rod (5-2), the upper end of the chart clamping mechanism connecting short rod (5-2) is fixedly connected to the chart clamping mechanism connecting short rod (5-2), and the lower ends of the handles (3-6) positioned at the front end and the rear end are fixedly connected in the fixed frame II (5-1);

the chart clamping mechanism (6) comprises a chart clamping connecting sleeve (6-1), a chart clamping connecting frame (6-2), a channel hole (6-3), springs (6-4), a chart clamping plate (6-5) and a handle rod (6-6), the chart clamping connecting frame (6-2) is fixedly connected to the lower end of the chart clamping connecting sleeve (6-1), the outer end of the chart clamping connecting frame (6-2) is provided with the channel hole (6-3), the number of the springs (6-4) is two, the two springs (6-4) are both fixedly connected to the outer end of the chart clamping connecting frame (6-2), the chart clamping plate (6-5) is fixedly connected to the inner ends of the two springs (6-4), the inner end of the handle rod (6-6) is fixedly connected to the chart clamping plate (6-5), the outer end of the handle rod (6-6) is slidably connected to the channel hole (6-3), the lower ends of the four long clamping mechanism connecting rods (4-2) and the lower ends of the four short clamping mechanism connecting rods (5-2) are rotatably connected in the clamping mechanism connecting sleeve (6-1).

2. A wall chart support according to claim 1, wherein: the support seat mechanism (1) further comprises storage boxes (1-8) and universal pulley blocks (1-9), the storage boxes (1-8) are fixedly connected to the connecting sliding rods (1-4), four universal pulley blocks (1-9) are arranged, and the four universal pulley blocks (1-9) are respectively and fixedly connected to four corners of the cross support base (1-1).

3. A wall chart support according to claim 1, wherein: the figure clamping mechanism (6) further comprises two rubber pads (6-7), and the two rubber pads (6-7) are fixedly connected to the inner end of the figure clamping connecting frame (6-2).