CN211641694U

CN211641694U - But angle regulation's foldable drawing board

Info

Publication number: CN211641694U
Application number: CN202020034250.8U
Authority: CN
Inventors: 谭玉玺
Original assignee: Central South University of Forestry and Technology
Current assignee: Central South University of Forestry and Technology
Priority date: 2020-01-08
Filing date: 2020-01-08
Publication date: 2020-10-09
Anticipated expiration: 2030-01-08

Abstract

The utility model discloses an angle-adjustable folding drawing board in the field of students, which comprises a bottom plate and a circular plate, wherein the bottom plate is hinged with a third section of supporting leg, the third section of supporting leg is connected with a second section of supporting leg, a spring is arranged in the second section of supporting leg, the spring is connected with a hemispherical block, the second section of supporting leg is connected with a second bolt, the second bolt is provided with a first section of supporting leg, the top of the bottom plate is provided with a triangular groove and a clamping device, the clamping device comprises an arc-shaped push plate, a first nut, a fixed block and a first bolt, the first bolt is connected with a first nut, the first bolt passes through the fixed block to be connected with the arc-shaped push plate, the triangular groove is internally provided with a triangular prism, the top of the triangular prism is provided with a supporting rod, the supporting rod is rotatably connected with the circular plate, the circular plate is provided with a fixed rod, the guide bar is connected with the baffle, the utility model discloses simple structure is fit for different topography, but angle regulation draws simultaneously.

Description

But angle regulation's foldable drawing board

Technical Field

The utility model relates to a student field specifically is an angle-adjustable's foldable drawing board.

Background

Art is an elegant subject, has a long development history, plays an important role in the cultural life and the social fashion of people and the propagation of customs, is provided with corresponding art courses in the current high school and university education, brings a lot of related articles when students and artists write outside, and comprises a bucket, a drawing board, a painting brush and the like, and the well-known drawing board is one of necessary tools for art major.

For example chinese patent application number is CN201720678178.0 a collapsible portable fine arts drawing board, including the connecting seat, install the third landing leg around the connecting seat, the drawing board is installed in the left side of third landing leg, the pressing claw is installed on sheathed tube top, the compelling nut is installed on sheathed tube outer wall top, the sheathed tube inside has cup jointed the ejector pin, splint are installed on the top of ejector pin. This collapsible portable fine arts drawing board, through the connecting seat, the cooperation of clamping jaw and compelling the tight nut, twist the handle, drive the screw and get into the draw-in groove, first landing leg and second landing leg are fixed, second landing leg and third landing leg are fixed, it compels the tight nut to unscrew, the ejector pin can slide from top to bottom, adjust according to the size of drawing board, it compels the tight nut to twist, the high fixed of ejector pin, the bottom of drawing board is lived in the drawing board groove, splint clip the top of drawing board, the supporting leg can height-adjusting, can adapt to the user of different heights, can the not drawing board of centre gripping equidimension, can satisfy user's user demand, but can not keep different topography drawing boards to reach the horizontality, simultaneously can not angle regulation.

Based on this, the utility model designs a specifically be an angle-adjustable's foldable drawing board to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an angle-adjustable's foldable drawing board to the user that although can play the adaptation different heights that proposes in solving above-mentioned background art, can the not drawing board of equidimension of centre gripping, can satisfy user's user demand, but can not solve different topography drawing boards and reach the horizontality, can not angle regulation simultaneously for inconvenient problem during the drawing.

In order to achieve the above object, the utility model provides a following technical scheme: a foldable drawing board with adjustable angles comprises a bottom plate and a circular plate, wherein a third section of supporting leg is hinged to the bottom plate, the third section of supporting leg is connected with a second section of supporting leg in a sliding mode, springs are symmetrically arranged in the middle upper end of the second section of supporting leg, the springs are connected with hemispherical blocks, a second bolt is fixedly connected with the second section of supporting leg, the second bolt is in threaded connection with a first section of supporting leg, a triangular groove is formed in the top of the bottom plate, clamping devices are arranged at three corners of the triangular groove and comprise an arc-shaped push plate, a first nut, a fixed block and a first bolt, a first nut is fixedly connected to one end of the first bolt, the first bolt penetrates through the fixed block to be rotatably connected with the arc-shaped push plate, a triangular prism is arranged in the triangular groove, a supporting rod is fixedly connected to the top of the triangular prism, the drawing board support is connected to the plectane through spout sliding connection, plectane top one end fixedly connected with dead lever, splint are installed on the top of dead lever, the lower surface of splint is equipped with the slot hole, the slot hole is run through on the top of dead lever, the second nut is installed on the top of dead lever, second nut and dead lever threaded connection, the bent plate is installed to the right-hand member of splint, the guide bar is installed to the right side outer wall of dead lever, the spring has been cup jointed to the outer wall of guide bar, the right-hand member of guide bar runs through the bent plate, the baffle is installed to the right-hand member.

Preferably, the bottom plate is triangular, and three sides of the bottom plate are hinged with third section supporting legs.

Preferably, the bottom of the second section of supporting leg is fixedly connected with a T-shaped block, and the bottom of the first section of supporting leg is fixedly connected with a sawtooth-shaped rubber pad.

Preferably, the bottom plate is connected with a dovetail block at the bottom of the arc-shaped push plate in a sliding mode through a dovetail groove, the first bolt is fixedly connected with a cylinder, and the cylinder rotates in a groove of the arc-shaped push plate.

Preferably, the drawing board supports have two, drawing board support one end fixedly connected with hawser, the hawser is connected with the spring, the spring that the hawser is connected is fixedly connected with the spout inner wall in the plectane.

Preferably, the bottom of the circular plate is fixedly connected with a cylinder, and the cylinder of the circular plate rotates in the groove of the support rod.

Compared with the prior art, the beneficial effects of the utility model are that: 1. the utility model discloses a spring restoring force is back the drawing board support, rotates through the second bolt and promotes splint downstream, makes the drawing board chucking.

2. The utility model discloses a plectane rotates on the bracing piece for drawing board angle of adjustment when drawing, the drawing of conveniently drawing promotes the push pedal through first bolt simultaneously, makes the triangular prism of card in the triangular groove stably put, can not rock.

3. The utility model discloses a second festival leg bottom second bolt is at first festival leg internal rotation for the device finely tunes according to the topography, makes the drawing board be in the horizontality, makes things convenient for the drawing.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a top view of the present invention;

FIG. 2 is a schematic structural view of the drawing board placing device of the present invention;

FIG. 3 is a top view of the base structure of the present invention;

FIG. 4 is a sectional view of the structure of the landing leg of the present invention;

FIG. 5 is a top view and a cross-sectional view of the push plate structure of the present invention

In the drawings, the components represented by the respective reference numerals are listed below:

1. the drawing board comprises a sawtooth-shaped rubber pad 2, a first section of supporting leg 3, a second section of supporting leg 4, a third section of supporting leg 5, a bottom plate 6, a triangular groove 7, an arc-shaped push plate 8, a first nut 9, a fixing block 10, a first bolt 101, a cylinder 11, a triangular prism 12, a supporting rod 13, a circular plate 14, a drawing board support 15, a cable 16, a spring 17, a fixing rod 18, a clamping plate 19, a hemispherical block 20, a second nut 21, a long hole 22, a bent plate 23, a second bolt 24, a baffle 25 and a guide rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a foldable drawing board with adjustable angles comprises a bottom plate 5 and a circular plate 13, wherein a third section of supporting leg 4 is hinged to the bottom plate 1, the third section of supporting leg 4 is connected with a second section of supporting leg 3 in a sliding mode, springs 16 are symmetrically arranged in the upper middle end of the second section of supporting leg 3, each spring 16 is connected with a hemispherical block 19, the second section of supporting leg 3 is fixedly connected with a second bolt 23, each second bolt 23 is connected with a first section of supporting leg 2 in a threaded mode, a triangular groove 6 is formed in the top of the bottom plate 5, clamping devices are arranged at three corners of the triangular groove 6 and comprise an arc-shaped push plate 7, a first nut 8, a fixing block 9 and a first bolt 10, one end of each first bolt 10 is fixedly connected with a first nut 8, the first bolt 10 penetrates through the fixing block 9 to be rotatably connected with the arc-shaped push plate 7, a triangular prism 11 is arranged in the triangular groove, plectane 13 has drawing board support 14 through spout sliding connection, plectane 13 top one end fixedly connected with dead lever 17, splint 18 are installed on the top of dead lever 17, splint 18's lower surface is equipped with slot hole 21, slot hole 21 is run through on the top of dead lever 17, second nut 20 is installed on the top of dead lever 17, second nut 20 and dead lever 17 threaded connection, bent plate 22 is installed to splint 18's right-hand member, guide bar 25 is installed to dead lever 17's right side outer wall, spring 16 has been cup jointed to the outer wall of guide bar 25, bent plate 22 is run through to the right-hand member of guide bar 25, baffle 24 is installed to the right-hand.

Wherein, bottom plate 5's shape is triangle-shaped, bottom plate 5's trilateral all articulates there is third

section landing leg

4, 3 bottom fixedly connected with T-shaped pieces of second section landing leg, 2 bottom fixedly connected with sawtooth rubber pads 1 of first section landing leg, bottom plate 5 has the dovetail piece of arc push pedal 7 bottom through dovetail sliding connection, first bolt 10 fixedly connected with cylinder 101, cylinder 101 is at the inslot rotation of arc push pedal 7, drawing board support 14 has two, 14 one end fixedly connected with hawser 15 of drawing board support, hawser 15 is connected with spring 16, spring 16 that hawser 15 connects and the spout inner wall fixed connection in the

plectane

13, 13 bottom fixedly connected with cylinders 101 of plectane, cylinder 101 of plectane 13 is at the inslot rotation of bracing piece 12.

One specific application of this embodiment is: when drawing, draw out second section landing leg 3 from third section landing leg 4, wherein second section landing leg 3 internal spring 16 pushes out hemisphere piece 17, and hemisphere piece 17 plays limiting displacement. According to the actual topography, rotate first festival landing leg 2 and second bolt 23, make bottom plate 5 be in the horizontality, wherein zigzag rubber pad 1 makes the device put stably. The triangular prism 11 is placed in the triangular groove 6, the first bolt 10 is rotated through the three first nuts 8, and the arc-shaped push plate 7 is pushed to clamp the support rod 12 on the triangular prism 11. Drawing the drawing board support 14 out of the circular plate 13, placing the drawing board between the drawing board support 14 and the clamping plate 18, wherein the spring 16 recovers force to enable the drawing board support 14 to clamp the bottom of the drawing board, and in addition, rotating the second nut 23 to enable the clamping plate 18 to move downwards to enable the clamping plate 18 to clamp the bottom of the drawing board through interaction of the guide rod 25, the spring 16 and the baffle plate 24. Wherein, the bottom cylinder 101 of the circular plate 13 rotates in the groove at the top of the support rod 12, so that the drawing board can adjust the required angle according to the actual situation.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides an angle-adjustable's foldable drawing board, includes bottom plate and plectane, its characterized in that: the bottom plate is hinged with a third section of supporting leg, the third section of supporting leg is connected with a second section of supporting leg in a sliding manner, springs are symmetrically arranged at the middle upper end of the second section of supporting leg, the springs are all connected with a hemispherical block, the second section of supporting leg is fixedly connected with a second bolt, the second bolt is in threaded connection with a first section of supporting leg, a triangular groove is formed in the top of the bottom plate, clamping devices are arranged at three corners of the triangular groove and comprise an arc-shaped push plate, a first nut, a fixed block and a first bolt, one end of the first bolt is fixedly connected with the first nut, the first bolt penetrates through the fixed block and is rotationally connected with the arc-shaped push plate, a triangular prism is arranged in the triangular groove, a supporting rod is fixedly connected to the top of the triangular prism, the supporting rod is rotationally connected with a circular plate, the circular plate is slidably connected with, splint are installed on the top of dead lever, the lower surface of splint is equipped with the slot hole, the slot hole is run through on the top of dead lever, the second nut is installed on the top of dead lever, second nut and dead lever threaded connection, the bent plate is installed to the right-hand member of splint, the guide bar is installed to the right side outer wall of dead lever, the spring has been cup jointed to the outer wall of guide bar, the right-hand member of guide bar runs through the bent plate, the baffle is installed to the right-hand member of guide bar.

2. The foldable drawing board capable of adjusting angles of claim 1, wherein: the shape of bottom plate is triangle-shaped, the trilateral third section landing leg that all articulates of bottom plate.

3. The foldable drawing board capable of adjusting angles of claim 1, wherein: the bottom of the second section of supporting leg is fixedly connected with a T-shaped block, and the bottom of the first section of supporting leg is fixedly connected with a sawtooth-shaped rubber pad.

4. The foldable drawing board capable of adjusting angles of claim 1, wherein: the bottom plate is connected with a dovetail block at the bottom of the arc-shaped push plate through a dovetail groove in a sliding mode, the first bolt is fixedly connected with a cylinder, and the cylinder rotates in the groove of the arc-shaped push plate.

5. The foldable drawing board capable of adjusting angles of claim 1, wherein: the drawing board support has two, drawing board support one end fixedly connected with hawser, the hawser is connected with the spring, the spring that the hawser is connected is fixed connection with the spout inner wall in the plectane.

6. The foldable drawing board capable of adjusting angles of claim 1, wherein: the bottom of the circular plate is fixedly connected with a cylinder, and the cylinder of the circular plate rotates in the groove of the supporting rod.