CN210634340U

CN210634340U - Portable drawing board

Info

Publication number: CN210634340U
Application number: CN201921092836.3U
Authority: CN
Inventors: 林立
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-07-12
Filing date: 2019-07-12
Publication date: 2020-05-29
Anticipated expiration: 2029-07-12

Abstract

The utility model relates to a drawing board technical field, more specifically the portable drawing board that says so, including portable drawing board main part and drawing paper fixing device, can take away this device on two braces back of the body are to the both shoulders, when needs drawing, place the desktop to the drawing board on, drawing paper of taking, stimulate two respectively and connect the traveller, it drives the stripper to connect the traveller, thereby place between stripper and the drawing board to drawing paper, utilize the elastic potential energy of spring, the spring produces a forward power and pushes up the stripper, just can fix drawing paper between stripper and drawing board, the both ends of drawing paper are fixed, do not just worry that drawing paper takes place the drunkenness during drawing, influence drawing quality.

Description

Portable drawing board

Technical Field

The utility model relates to a drawing board technical field, more specifically the portable drawing board that says so.

Background

A drawing board with patent number CN201720714349.0 is available today, which includes a first drawing board support rod, a second drawing board support rod, a third drawing board support rod and a fourth drawing board support rod, wherein the first drawing board support rod is rotatably connected with the third drawing board support rod, and the second drawing board support rod is rotatably connected with the fourth drawing board support rod; the first drawing board supporting rod is fixedly connected with one end of a first drawing board, the other end of the first drawing board is fixedly connected with a second drawing board supporting rod, and a first blackboard is mounted on the first drawing board; the inner side walls of the third drawing board supporting rod and the fourth drawing board supporting rod are both provided with sliding grooves, a second drawing board is slidably mounted in the sliding grooves, more than 1 clamping groove is formed in the side wall of the second drawing board sliding in the sliding grooves, and clamping convex blocks are mounted in the clamping grooves and are respectively connected with the upper end surfaces of the third drawing board supporting rod and the fourth drawing board supporting rod in an abutting mode; the second blackboard is installed to second drawing board one side, the magnetism blank is installed to second drawing board opposite side, it has the magnetism learning block to adsorb on the magnetism blank, first storage box passes through the hinge and links to each other with second storage box. This novel inconvenient carrying can not fix the drawing paper moreover, and the drawing paper is the landing easily in the drawing, influences drawing quality.

Disclosure of Invention

The utility model relates to a drawing board technical field, more specifically the portable drawing board that says so, including portable drawing board main part and drawing paper fixing device, this device conveniently carries, but also can fix the drawing paper.

The portable drawing board main part include drawing board and braces, the equal fixedly connected with braces of the left and right sides at drawing board rear end.

Drawing paper fixing device including connecting the curb plate, spacing slide, the stripper plate, spacing lug, spacing slide, connect traveller and spring, the upper and lower both ends of connecting the curb plate all are provided with spacing slide, the equal fixedly connected with spacing lug in upper and lower both ends of stripper plate, two spacing lugs difference sliding connection are in two spacing slides, the rear end fixedly connected with spacing slide of connecting the curb plate, sliding connection has the connection traveller on the spacing slide, connect traveller and stripper plate fixed connection, the cover has the spring on the connection traveller, the spring is located between stripper plate and the spacing slide, drawing paper fixing device symmetry be provided with two, two left and right sides of connecting the curb plate difference fixed connection in the drawing board rear end.

As this technical scheme's further optimization, the utility model relates to a portable drawing board flexible landing leg include limit slide, lift screw cavity, threaded rod landing leg, support semicircle I, connect traveller I and fastening nut, limit slide be provided with two, lift screw cavity and two limit slide sliding connection, lift screw cavity passes through threaded connection with the threaded rod landing leg, the lower extreme fixedly connected with of threaded rod landing leg supports semicircle I, the limit slide that is located the upper end on fixedly connected with connect traveller I, the outer end of connecting traveller I has fastening nut through threaded connection, the flexible landing leg of drawing board be provided with two, four limit slide difference fixed connection are the upper and lower both sides at both ends about the drawing board.

As this technical scheme's further optimization, supplementary rotation support leg include connecting plate, pivot, rotation support leg chamber, connect traveller II, supplementary flexible leg and support semicircle II on the connecting plate, fixedly connected with pivot on the connecting plate, the upper end and the pivot in rotation support leg chamber are rotated and are connected, fixedly connected with connection traveller II on the rotation support leg chamber, rotate the support leg chamber and pass through threaded connection with supplementary flexible leg, the lower extreme fixedly connected with of supplementary flexible leg supports semicircle II, supplementary rotation support leg symmetry be provided with two, two connecting plates difference fixed connection are in the left and right sides of drawing board front end top.

As a further optimization of this technical scheme, the utility model relates to a portable drawing board location connecting device include locating plate and jack, the both ends of locating plate all are provided with the jack, connect traveller I and connect traveller II respectively sliding connection in two jacks.

As a further optimization of this technical scheme, the utility model relates to a portable drawing board drawing paper fixing device still include spacing handle, connect the spacing handle of rear end fixedly connected with of traveller.

As this technical scheme's further optimization, the utility model relates to a portable drawing board telescopic leg still including connecting ring, bearing frame, rotating lead screw, linkage screw thread chamber and handle, rotate on the bearing frame and be connected with the rotation lead screw, rotate the lead screw and pass through threaded connection with linkage screw thread chamber, the lower extreme fixedly connected with in linkage screw thread chamber connects the ring, connects ring fixed connection in the upper end in lift screw thread chamber, rotates the upper end fixedly connected with handle of lead screw.

The utility model relates to a portable drawing board's beneficial effect does:

carry two braces back to and can take away this device on the both shoulders, when needs drawing, place the desktop to the drawing board on, the drawing paper of taking, stimulate two connection travelers respectively, connect the traveller to drive the stripper backward movement, thereby place between stripper and the drawing board the drawing paper, utilize the elastic potential energy of spring, the stripper is being pushed up to forward power of spring production, just can fix the drawing paper between stripper and drawing board, the both ends of drawing paper are fixed, just do not worry during the drawing that the drawing paper takes place the drunkenness, influence the drawing quality.

Drawings

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

Fig. 1 is a schematic structural diagram of a portable drawing board of the present invention in use;

FIG. 2 is a schematic structural diagram of a portable sketchpad when being contracted;

FIG. 3 is a schematic structural diagram of a main body of the portable sketchpad;

FIG. 4 is a schematic structural view of the drawing paper fixing device;

FIG. 5 is a first view of a drawing paper fixing device;

FIG. 6 is a second schematic view of a part of the drawing paper fixing device;

fig. 7 is a schematic structural view of a telescopic leg of the drawing board;

FIG. 8 is a schematic view of an auxiliary turning leg;

fig. 9 is a schematic structural view of the positioning and connecting device.

In the figure: a portable palette body 1; drawing board 1-1; 1-2 of braces; a drawing paper fixing device 2; connecting the side plates 2-1; a limiting slide way 2-2; 2-3 of an extrusion plate; 2-4 of a limiting bump; 2-5 of a limiting sliding plate; connecting the sliding columns 2-6; 2-7 of a spring; 2-8 of a limit handle; a telescopic leg 3 of the drawing board; a limiting slide block 3-1; lifting the threaded cavity 3-2; 3-3 of a threaded rod supporting leg; support semicircle I3-4; connecting a sliding column I3-5; fastening nuts 3-6; 3-7 of a connecting ring; 3-8 of a bearing seat; rotating the lead screw 3-9; 3-10 of a linkage thread cavity; 3-11 parts of a handle; auxiliary rotating legs 4; a connecting plate 4-1; a rotating shaft 4-2; rotating the leg cavity 4-3; connecting a sliding column II 4-4; 4-5 of auxiliary telescopic legs; support semicircle II 4-6; a positioning connection device 5; 5-1 of a positioning plate; and (5) a jack 5-2.

Detailed Description

The first embodiment is as follows:

the following description will be made with reference to fig. 1-9, and the present invention relates to the technical field of drawing boards, and more specifically to a portable drawing board, which comprises a portable drawing board main body 1 and a drawing paper fixing device 2, wherein the device can be taken away by putting two straps 1-2 on the back of the body, when drawing is needed, the drawing board is placed on the desktop, the drawing paper is taken, two connecting sliding columns 2-6 are respectively pulled, the connecting sliding columns 2-6 drive a pressing plate 2-3 to move backwards, thereby the drawing paper is placed between the pressing plate 2-3 and the drawing board 1-1, the spring 2-7 generates a forward force to push against the pressing plate 2-3 by utilizing the elastic potential energy of the spring 2-7, the drawing paper can be fixed between the pressing plate 2-3 and the drawing board 1-1, the two ends of the drawing paper are fixed, and the drawing paper does not need to move during drawing, the painting quality is influenced;

the portable drawing board main body 1 comprises a drawing board 1-1 and braces 1-2, the drawing board 1-1 plays a role in connection and support, the braces 1-2 are fixedly connected to the left side and the right side of the rear end of the drawing board 1-1, and the device can be carried on the shoulder of a user by utilizing the two braces 1-2.

The drawing paper fixing device 2 comprises a connecting side plate 2-1, limiting slideways 2-2, an extrusion plate 2-3, limiting convex blocks 2-4, a limiting sliding plate 2-5, connecting sliding columns 2-6 and springs 2-7, wherein the connecting side plate 2-1 plays a role in bearing connection, the limiting slideways 2-2 are arranged at the upper end and the lower end of the connecting side plate 2-1, the limiting slideways 2-2 can provide a sliding space for the limiting convex blocks 2-4, the limiting convex blocks 2-4 are fixedly connected at the upper end and the lower end of the extrusion plate 2-3, the extrusion plate 2-3 can fix drawing paper, the two limiting convex blocks 2-4 are respectively connected in the two limiting slideways 2-2 in a sliding manner, when the two limiting convex blocks 2-4 are respectively connected in the two limiting slideways 2-2 in a sliding manner, the extrusion plate 2-3 is limited, at the moment, the extrusion plate 2-3 can only move back and forth, the rear end of the connecting side plate 2-1 is fixedly connected with a limiting sliding plate 2-5, the limiting sliding plate 2-5 can provide a sliding space for the connecting sliding column 2-6, the limiting sliding plate 2-5 is connected with the connecting sliding column 2-6 in a sliding way, the connecting sliding column 2-6 can drive the extrusion plate 2-3 to move, the connecting sliding column 2-6 is fixedly connected with the extrusion plate 2-3, the connecting sliding column 2-6 is sleeved with a spring 2-7, the spring 2-7 is positioned between the extrusion plate 2-3 and the limiting sliding plate 2-5, the rear end of the spring 2-7 is limited by the limiting sliding plate 2-5 by utilizing the elastic potential energy of the spring 2-7, at the moment, the spring 2-7 can generate a forward force to prop against the extrusion plate 2-3, the drawing paper fixing devices 2 are symmetrically arranged, and the two connecting side plates 2-1 are fixedly connected to the left side and the right side in the rear end of the drawing board 1-1 respectively.

The second embodiment is as follows:

the following describes the present embodiment with reference to fig. 1-9, and the drawing board telescopic leg 3 further described in the first embodiment includes two limiting sliders 3-1, two lifting screw cavities 3-2, two screw rod legs 3-3, two supporting semicircles I3-4, two connecting sliding pillars I3-5 and two fastening nuts 3-6, where the two limiting sliders 3-1 can provide a sliding space for the lifting screw cavity 3-2, the lifting screw cavity 3-2 is slidably connected with the two limiting sliders 3-1, the lifting screw cavity 3-2 can provide a connecting space for the screw rod legs 3-3, the lifting screw cavity 3-2 is connected with the screw rod legs 3-3 through screw threads, and the height of the device can be adjusted by rotating the screw rod legs 3-3, the lower end of the threaded rod supporting leg 3-3 is fixedly connected with a supporting semicircle I3-4, the supporting semicircle I3-4 can be used for enabling the device to be supported more stably, the limiting slide block 3-1 at the upper end is fixedly connected with a connecting slide column I3-5, the connecting slide column I3-5 can provide a sliding space for the positioning plate 5-1, the outer end of the connecting slide column I3-5 is connected with a fastening nut 3-6 through threads, the fastening nut 3-6 can limit the positioning plate 5-1, the drawing board telescopic supporting leg 3 is provided with two limiting slide blocks 3-1, and the four limiting slide blocks 3-1 are respectively and fixedly connected to the upper side and the lower side of the left end and the right end of the drawing board 1-1.

The third concrete implementation mode:

the present embodiment is described below with reference to fig. 1-9, and the auxiliary rotating leg 4 further described in the first embodiment of the present invention includes a connecting plate 4-1, a rotating shaft 4-2, a rotating leg cavity 4-3, a connecting sliding pillar II4-4, an auxiliary telescopic leg 4-5 and a supporting semicircle II4-6, wherein the connecting plate 4-1 can provide a fixed space for the rotating shaft 4-2, the connecting plate 4-1 is fixedly connected with the rotating shaft 4-2, the rotating shaft 4-2 can provide a rotating axis for the rotating leg cavity 4-3, the upper end of the rotating leg cavity 4-3 is rotatably connected with the rotating shaft 4-2, the rotating leg cavity 4-3 can provide a connecting space for the auxiliary telescopic leg 4-5, the rotating leg cavity 4-3 is fixedly connected with the connecting sliding pillar II4-4, the connecting sliding column II4-4 can provide a sliding space for the positioning plate 5-1, the rotating leg cavity 4-3 is connected with the auxiliary telescopic leg 4-5 through threads, the height of the device can be adjusted by rotating the auxiliary telescopic leg 4-5, the extension length of the auxiliary telescopic leg 4-5 is different, the angle of the device is different, the angle is adjusted according to requirements, the lower end of the auxiliary telescopic leg 4-5 is fixedly connected with a supporting semicircle II4-6, the two auxiliary rotating legs 4 are symmetrically arranged, and the two connecting plates 4-1 are respectively and fixedly connected to the left side and the right side above the front end of the drawing board 1-1.

The fourth concrete implementation mode:

the present embodiment is described below with reference to fig. 1-9, and the positioning and connecting device 5 further described in the first embodiment includes a positioning plate 5-1 and a receptacle 5-2, the two ends of the positioning plate 5-1 are provided with the receptacles 5-2, a connecting strut I3-5 and a connecting strut II4-4 are slidably connected in the two receptacles 5-2, respectively, when the connecting strut I3-5 and the connecting strut II4-4 are slidably connected in the two receptacles 5-2, respectively, the rotating leg cavity 4-3 can be fixed, and at this time, the whole device will be fixed.

The fifth concrete implementation mode:

the embodiment is described below with reference to fig. 1 to 9, and the first embodiment is further described in the embodiment that the drawing paper fixing device 2 further includes a limit handle 2 to 8, the rear end of the connecting sliding column 2 to 6 is fixedly connected with the limit handle 2 to 8, and the connecting sliding column 2 to 6 can be driven to move by pulling the limit handle 2 to 8.

The sixth specific implementation mode:

the drawing board telescopic leg 3 further includes a connecting ring 3-7, a bearing seat 3-8, a rotating screw rod 3-9, a linkage threaded cavity 3-10 and a handle 3-11, the rotating screw rod 3-9 is rotatably connected on the bearing seat 3-8, the rotating screw rod 3-9 is connected with the linkage threaded cavity 3-10 through a thread, the lower end of the linkage threaded cavity 3-10 is fixedly connected with the connecting ring 3-7, the connecting ring 3-7 is fixedly connected at the upper end of the lifting threaded cavity 3-2, the handle 3-11 is fixedly connected at the upper end of the rotating screw rod 3-9, the rotating screw rod 3-9 is rotated, the rotating screw rod 3-9 can drive the linkage threaded cavity 3-10 to move up and down, the linkage thread cavity 3-10 can drive the lifting thread cavity 3-2 to move up and down through the connecting ring 3-7.

The utility model relates to a theory of operation of portable drawing board:

when drawing is needed, the handle 3-11 is rotated, the handle 3-11 drives the linkage threaded cavity 3-10 to move downwards by rotating the lead screw 3-9, the linkage threaded cavity 3-10 drives the lifting threaded cavity 3-2 to move downwards by connecting the circular ring 3-7, the threaded rod supporting leg 3-3 is rotated to adjust the extending length, the auxiliary telescopic leg 4-5 is continuously rotated to adjust the telescopic length of the auxiliary telescopic leg 4-5, after the auxiliary telescopic leg 4-5 is adjusted, the two jacks 5-2 are respectively connected into the connecting sliding column I3-5 and the connecting sliding column II4-4 in a sliding manner, the positioning plate 5-1 is fixed by utilizing the fastening nuts 3-6, the drawing paper is taken out after the device is fixed, the two limiting handles 2-8 are pulled respectively, the limiting handles 2-8 drive the extrusion plates 2-3 to move backwards through the connecting sliding columns 2-6, so that the drawing paper is placed between the extrusion plates 2-3 and the drawing board 1-1, the springs 2-7 generate a forward force to push against the extrusion plates 2-3 by utilizing the elastic potential energy of the springs 2-7, the drawing paper can be fixed between the extrusion plates 2-3 and the drawing board 1-1, the two ends of the drawing paper are fixed, and the drawing paper does not need to be worried about to move during drawing to influence the drawing quality.

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

1. The utility model provides a portable drawing board, includes portable drawing board main part (1) and drawing paper fixing device (2), its characterized in that: the portable drawing board main body (1) comprises a drawing board (1-1) and braces (1-2), wherein the braces (1-2) are fixedly connected to the left side and the right side of the rear end of the drawing board (1-1);

the drawing paper fixing device (2) comprises a connecting side plate (2-1), a limiting slide way (2-2), an extrusion plate (2-3), a limiting convex block (2-4), a limiting slide plate (2-5), a connecting slide column (2-6) and a spring (2-7), wherein the limiting slide way (2-2) is arranged at the upper end and the lower end of the connecting side plate (2-1), the limiting convex block (2-4) is fixedly connected at the upper end and the lower end of the extrusion plate (2-3), the two limiting convex blocks (2-4) are respectively connected in the two limiting slide ways (2-2) in a sliding manner, the limiting slide plate (2-5) is fixedly connected at the rear end of the connecting side plate (2-1), the connecting slide column (2-6) is connected on the limiting slide plate (2-5) in a sliding manner, and the connecting slide column (2-6) is fixedly connected with the extrusion plate, the connecting sliding columns (2-6) are sleeved with springs (2-7), the springs (2-7) are located between the extrusion plates (2-3) and the limiting sliding plates (2-5), the two drawing paper fixing devices (2) are symmetrically arranged, and the two connecting side plates (2-1) are fixedly connected to the left side and the right side in the rear end of the drawing board (1-1) respectively.

2. A portable drawing board according to claim 1, wherein: the portable drawing board further comprises drawing board telescopic supporting legs (3), wherein the drawing board telescopic supporting legs (3) comprise two limiting slide blocks (3-1), two lifting thread cavities (3-2), two threaded rod supporting legs (3-3), two supporting semicircles I (3-4), two connecting sliding columns I (3-5) and fastening nuts (3-6), the lifting thread cavities (3-1) are connected with the two limiting slide blocks (3-1) in a sliding mode, the lifting thread cavities (3-2) are connected with the threaded rod supporting legs (3-3) through threads, the lower ends of the threaded rod supporting legs (3-3) are fixedly connected with the supporting semicircles I (3-4), the limiting slide blocks (3-1) at the upper ends are fixedly connected with the connecting sliding columns I (3-5), the outer end of the connecting sliding column I (3-5) is connected with a fastening nut (3-6) through threads, two telescopic supporting legs (3) of the drawing board are arranged, and four limiting sliding blocks (3-1) are respectively and fixedly connected to the upper side and the lower side of the left end and the right end of the drawing board (1-1).

3. A portable drawing board according to claim 1, wherein: the portable drawing board further comprises auxiliary rotating supporting legs (4), the auxiliary rotating supporting legs (4) comprise connecting plates (4-1), rotating shafts (4-2), rotating supporting leg cavities (4-3), connecting sliding columns II (4-4), auxiliary telescopic legs (4-5) and supporting semicircles II (4-6), the rotating shafts (4-2) are fixedly connected onto the connecting plates (4-1), the upper ends of the rotating supporting leg cavities (4-3) are rotatably connected with the rotating shafts (4-2), the connecting sliding columns II (4-4) are fixedly connected onto the rotating supporting leg cavities (4-3), the rotating supporting leg cavities (4-3) are connected with the auxiliary telescopic legs (4-5) through threads, the lower ends of the auxiliary telescopic legs (4-5) are fixedly connected with the supporting semicircles II (4-6), the auxiliary rotating supporting legs (4) are symmetrically arranged in two numbers, and the two connecting plates (4-1) are respectively and fixedly connected to the left side and the right side above the front ends of the drawing boards (1-1).

4. A portable drawing board according to claim 1, wherein: the portable drawing board further comprises a positioning connecting device (5), wherein the positioning connecting device (5) comprises a positioning plate (5-1) and jacks (5-2), the jacks (5-2) are arranged at two ends of the positioning plate (5-1), and a connecting sliding column I (3-5) and a connecting sliding column II (4-4) are respectively connected in the two jacks (5-2) in a sliding mode.

5. A portable drawing board according to claim 1, wherein: the drawing paper fixing device (2) further comprises a limiting handle (2-8), and the limiting handle (2-8) is fixedly connected with the rear end of the connecting sliding column (2-6).

6. A portable drawing board according to claim 2, wherein: the telescopic supporting leg (3) of the drawing board further comprises a connecting ring (3-7), a bearing seat (3-8), a rotating lead screw (3-9), a linkage threaded cavity (3-10) and a handle (3-11), the bearing seat (3-8) is connected with the rotating lead screw (3-9) in a rotating mode, the rotating lead screw (3-9) is connected with the linkage threaded cavity (3-10) through threads, the lower end of the linkage threaded cavity (3-10) is fixedly connected with the connecting ring (3-7), the connecting ring (3-7) is fixedly connected to the upper end of the lifting threaded cavity (3-2), and the upper end of the rotating lead screw (3-9) is fixedly connected with the handle (3-11).