CN216231432U

CN216231432U - Foldable support and support drawing board using same

Info

Publication number: CN216231432U
Application number: CN202122081082.5U
Authority: CN
Inventors: 朱聪
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-31
Filing date: 2021-08-31
Publication date: 2022-04-08
Anticipated expiration: 2031-08-31

Abstract

The utility model discloses a foldable support and a support drawing board using the same, wherein the foldable support comprises a first support, a second support and a rotation limiting part, the upper ends of the first support and the second support are rotatably connected, the upper end of the first support is provided with two inward protruding rotating shafts, two sides of the second support are provided with rotating shaft holes, the rotation limiting part is fixed on the second support, the rotation limiting part comprises an installation part and a limiting part, the installation part is fixed on the second support, the limiting part is an outward extending limiting bulge, and the second support is provided with a limiting groove matched with the limiting bulge; when the support needs to be unfolded, the second support frame rotates around the first support frame, when the second support frame rotates to a certain angle, the limiting protrusion is located in the limiting groove, the limiting protrusion and the limiting groove block the second support frame from further rotating, and therefore the first support frame and the second support frame are limited at the position.

Description

Foldable support and support drawing board using same

Technical Field

The utility model relates to a foldable support and a support drawing board using the same, and belongs to the field of children products.

Background

The drawing board especially children's drawing board is as the instrument of scribbling, drawing, uses often in daily life, for adaptation user's height, generally fixes the drawing board on the support, for convenient storage and transportation, generally sets up the support to folding, and the current foldable support structure is complicated on the market, inconvenient use.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides the foldable support and the support drawing board using the same, the folding limit of the support is realized through the arrangement of the rotating shaft, the rotation limiting piece and the limiting groove, the structure is simple, and the use is convenient.

In order to achieve the purpose, the utility model provides the following technical scheme: a foldable support comprises a first support frame, a second support frame and a rotation limiting part, wherein the upper ends of the first support frame and the second support frame are rotatably connected, two inward protruding rotating shafts are arranged at the upper end of the first support frame, rotating shaft holes are formed in two sides of the second support frame, the rotation limiting part is fixed on the second support frame and comprises an installation part and a limiting part, the installation part is fixed on the second support frame, the limiting part is an outward protruding limiting bulge, and a limiting groove matched with the limiting bulge is formed in the first support frame; when the support needs to be unfolded, the second support frame rotates around the first support frame, when the second support frame rotates to a certain angle, the limiting protrusion is positioned in the limiting groove, the limiting protrusion and the limiting groove block the second support frame from further rotating, and therefore the first support frame and the second support frame are limited at the position; when the supporting frame needs to be folded, the second supporting frame is directly rotated to the opposite direction, the arrangement mode is simple in structure, and the situation that the position cannot be limited due to slipping can not occur.

The utility model is further provided that the cross-sectional area of the limiting groove is gradually reduced from the opening to the inside; the arrangement can ensure that the limiting bulge is completely positioned in the limiting groove after the bracket is unfolded.

The utility model is further provided that the limiting bulge comprises a first arc surface and a second arc surface; the arrangement of the arc surface further ensures that the matching of the limiting bulge and the limiting groove is more stable after the bracket is unfolded.

The utility model is further provided that the limiting protrusion further comprises an inner side surface, the inner side surface is positioned between the first arc surface and the second arc surface, and the inner side wall of the limiting groove is matched with the first arc surface, the second arc surface and the inner side surface.

The utility model is further arranged that half of the rotating shaft hole is arranged on the second supporting frame, and the other half of the rotating shaft hole is arranged on the mounting part; this kind of setting is convenient for first support frame to install on the second support frame.

The utility model is further arranged in such a way that the longitudinal section of the mounting part is L-shaped, and the limiting bulge is positioned on the side surface of the mounting part.

The utility model is further provided that the first support frame comprises first support plates positioned at the left side and the right side and a first connecting plate for connecting the two first support plates; the second support frame comprises two second support plates positioned on the left side and the right side and a second connecting plate connected with the two second support plates.

The utility model provides a support drawing board, includes drawing board and foretell foldable support, first connecting plate is including being located the upper junction board on upper portion and being located the lower connecting plate of lower part, the drawing board is installed on the upper junction board.

The drawing board is further arranged on the upper connecting plate through bolts, and through holes corresponding to the bolts are formed in the middle of the upper connecting plate.

The foldable support is further arranged in such a way that the width of the second support frame is consistent with the width between the inner side walls of the two support plates of the first support frame, and the second support plate is provided with a position avoiding groove for avoiding the position of the first connecting plate, so that the second support frame is positioned in the first support frame after the foldable support is folded; after the support is folded, the first support frame and the second support frame are kept in a stable state.

Drawings

FIG. 1 is a first schematic structural diagram of a stand palette of the present invention;

FIG. 2 is a second schematic structural diagram of the stand drawing board of the present invention;

FIG. 3 is a schematic structural view of a stent according to the present invention;

FIG. 4 is an exploded view of the bracket of the present invention;

FIG. 5 is a schematic structural view of a bracket and a sliding structure according to the present invention;

FIG. 6 is an exploded view of the bracket and sliding structure of the present invention;

FIG. 7 is a first schematic structural diagram of a limiting element according to the present invention;

FIG. 8 is a second schematic structural diagram of a limiting member according to the present invention;

fig. 9 is a third schematic structural diagram of a limiting element according to the present invention.

In the figure: 1. a drawing board; 2. a support; 21. a first support frame; 211. an upper connecting plate; 2111. a protrusion; 212. a lower connecting plate; 213. a first support plate; 2131. a limiting groove; 2132. a rotating shaft; 22. a second support frame; 23. rotating the limiting piece; 231. an installation part; 232. a limiting bulge; 2321. a first arc surface; 2322. an inner side surface; 2323. a second arc surface; 2324. an upper top surface; 2325. an outer side surface; 3. a slide rail plate; 31. a slide plate; 32. a chute; 33. a strip-shaped through groove; 34. and (4) a groove.

Detailed Description

Embodiments of a foldable stand and a stand sketchpad using the same according to the present invention are further described below with reference to fig. 1 to 9.

The utility model provides a foldable support, includes first support frame 21, second support frame 22 and rotates locating part 23, first support frame 21 is including two first backup pads 213 that are located the left and right sides and the first connecting plate of connecting two first backup pads 213, second support frame 22 is including the second connecting plate that is located the two second backup pads of the left and right sides and connects two second backup pads, and above-mentioned first support frame 21 and second support frame 22 upper end are rotated and are connected.

The first support frame 21 and the second support frame 22 are connected through a rotating shaft 2132, the upper end of the first support frame 21 is provided with an inwardly protruding rotating shaft 2132, the second support frame 22 is provided with a rotating shaft hole, the second support frame 22 is further fixed with a rotation limiting part 23, the rotation limiting part 23 comprises an installation part 231 and a limiting part, the installation part 231 is fixed on the second support frame 22, one half of the rotating shaft hole is arranged on the second support frame 22, the other half of the rotating shaft hole is arranged on the installation part 231, the limiting part is an outwardly protruding limiting protrusion 232, and the first support frame 22 is provided with a limiting groove 2131 matched with the limiting protrusion 232; the mounting part 231 has an L-shaped longitudinal section, and the stopper protrusion 232 is located on a side surface of the mounting part 231.

The width of the second support frame 22 is the same as the width between the inner side walls of the two support plates of the first support frame 21, and the second support plate is provided with a position-avoiding groove for avoiding the first connection plate, so that after the support 2 is folded, the second support frame 22 is positioned in the first support frame 21.

The limiting protrusion 232 includes a first arc surface 2321, an inner side surface 2322, a second arc surface 2323, an upper top surface 2324, an outer side surface 2325 and a lower bottom surface, when the limiting protrusion 232 is located in the limiting groove 2131, the inner side wall of the limiting groove 2131 is attached to the inner side wall of the limiting protrusion 232, and the cross-sectional area of the limiting groove 2131 is gradually reduced from the opening to the inside.

The utility model provides a support drawing board, includes drawing board 1 and above-mentioned foldable support 2, first connecting plate is including the upper junction plate 211 that is located upper portion and the lower connecting plate 212 that is located the lower part, drawing board 1 installs on upper junction plate 211, drawing board 1 passes through the bolt fastening on upper junction plate 211, and the intermediate position of upper junction plate 211 is equipped with the through-hole that corresponds with the bolt.

Still be equipped with sliding construction between drawing board 1 and the support 2, above-mentioned sliding construction is including fixing slide rail board 3 on drawing board 1 and along slide rail board 3 gliding slide 31 from top to bottom, the bolt fastening is on slide board 31, be equipped with on the slide rail board 3 and supply the gliding bar of bolt to lead to groove 33 from top to bottom, bolt one end is fixed on slide board 31, other end coupling nut, be equipped with the confession on the slide rail board 3 the gliding spout 32 of slide board 31.

When the drawing board is used, a bolt penetrates through the strip-shaped through groove 33 and the through hole, then is connected with a nut, and is screwed tightly, at the moment, the nut and the sliding plate 31 tightly press the sliding rail plate 3 and the upper connecting plate 211 at the edge of the through hole, and under the abutting of the nut and the sliding plate 31, the sliding rail plate 3 does not slide up and down any more, so that the drawing board 1 fixed on the sliding rail plate 3 does not slide any more; when the height of the drawing board 1 needs to be adjusted, the nut is loosened, and the sliding rail plate 3 can slide up and down along the sliding plate 31 at the moment, so that the drawing board 1 is driven to move up and down to adjust the height of the drawing board 1.

The sliding plate 31 is square, and a reinforcing rib plate is arranged on the sliding plate 31; the slide rail plate 3 is in a cuboid shape, and the strip-shaped through groove 33 is arranged at the central line position of the slide rail plate 3 along the length direction; two grooves 34 are formed in the bottom wall of the sliding groove 32, so that the strength of the sliding rail plate 3 is enhanced, and the two grooves 34 are respectively formed in two sides of the strip-shaped through groove 33.

The through hole is formed in the middle of the upper connecting plate 211, the two ends of the upper connecting plate 211 are provided with protrusions 2111, and the protrusions 2111 abut against the sliding rail plate 3 from two sides to prevent the sliding rail plate 3 from rotating; preferably, the thickness of the protrusion 2111 is equal to the thickness of the slide plate 3.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the utility model may occur to those skilled in the art without departing from the principle of the utility model, and are considered to be within the scope of the utility model.

Claims

1. The utility model provides a foldable support, its characterized in that, includes first support frame (21), second support frame (22) and rotates locating part (23), first support frame (21) with second support frame (22) upper end is rotated and is connected, first support frame (21) upper end is equipped with two pivot (2132) that inwards protrude, and second support frame (22) both sides are equipped with the pivot hole, it fixes on second support frame (22) to rotate locating part (23), it includes installation department (231) and spacing portion to rotate locating part (23), installation department (231) are fixed on second support frame (22), spacing portion is spacing arch (232) that outwards stretches out, be equipped with on first support frame (21) with spacing protruding (232) complex spacing groove (2131).

2. The foldable support of claim 1, wherein the cross-sectional area of the limiting groove (2131) decreases from the opening inwards.

3. The foldable support according to claim 2, characterized in that the limiting protrusion (232) comprises a first arc surface (2321) and a second arc surface (2323).

4. The foldable support according to claim 3, wherein the limiting protrusion (232) further comprises an inner side surface (2322), the inner side surface (2322) is located between the first arc surface (2321) and the second arc surface (2323), and the inner side wall of the limiting groove is matched with the first arc surface (2321), the second arc surface (2323) and the inner side surface (2322).

5. The foldable stand of claim 1, wherein one half of the rotation shaft hole is provided on the second support frame (22), and the other half is provided on the mounting portion (231).

6. Foldable support according to claim 5, characterized in that the longitudinal section of the mounting part (231) is L-shaped, and the stop protrusion (232) is located at the side of the mounting part (231).

7. The foldable support according to any one of claims 1 to 6, wherein the first support frame (21) comprises a first support plate (213) at left and right sides and a first connecting plate connecting the two first support plates (213); the second support frame (22) comprises two second support plates positioned on the left side and the right side and a second connecting plate connected with the two second support plates.

8. A stand palette, comprising a palette (1) and a foldable stand (2) according to claim 7, the first connecting plate comprising an upper connecting plate (211) at an upper portion and a lower connecting plate (212) at a lower portion, the palette (1) being mounted on the upper connecting plate (211).

9. The stand drawing board according to claim 8, wherein the drawing board (1) is fixed on the upper connecting plate (211) through bolts, and through holes corresponding to the bolts are formed in the middle of the upper connecting plate (211).

10. A support drawing board according to claim 9, wherein the width of the second support frame (22) is the same as the width between the inner side walls of the two support plates of the first support frame (21), and the second support plate is provided with a avoiding groove for avoiding the first connection plate, so that after the foldable support (2) is folded, the second support frame (22) is located in the first support frame (21).