CN215304282U

CN215304282U - Easel capable of automatically clamping drawing board

Info

Publication number: CN215304282U
Application number: CN202121715317.5U
Authority: CN
Inventors: 袁琳
Original assignee: Zhejiang Industry Polytechnic College
Current assignee: Zhejiang Industry Polytechnic College
Priority date: 2021-07-27
Filing date: 2021-07-27
Publication date: 2021-12-28
Anticipated expiration: 2031-07-27

Abstract

The utility model discloses an easel capable of automatically clamping a drawing board, which comprises a supporting frame, wherein the upper part of the supporting frame is hinged with a supporting plate, the front side of the supporting plate is provided with a supporting seat capable of moving up and down and a clamping plate capable of moving left and right, the clamping plates are positioned at two sides of the supporting seat and higher than the upper part of the supporting seat, the supporting seat is connected with the two clamping plates through a first connecting rod, and when the supporting seat descends, the two clamping plates transversely move and approach each other. The drawing board clamping device clamps and fixes the drawing board through the supporting seat at the bottom and the clamping plates at two sides, is firm in fixation, convenient to place and take down the drawing board, simple and reasonable in structure and good in practicability.

Description

Easel capable of automatically clamping drawing board

Technical Field

The utility model relates to the technical field of drawing tools, in particular to an easel capable of automatically clamping a drawing board.

Background

The easel is used for supporting the drawing board during drawing, most of the existing easels only have the bottom to play a supporting role, and the supporting is not firm although the drawing board is convenient to prevent and take, and the drawing board is easy to skew during drawing to influence the drawing effect; still fixed through the clip centre gripping, this kind of mode is fixed firm, but when the mr when carrying out the drawing teaching, often need to change the drawing board or place student's on-the-spot drawing work on the easel and comment on or supply other students to look over after the drawing is accomplished, but the change of taking of drawing board of being not convenient for through the mode of centre gripping is unfavorable for mr's teaching, consequently the urgent need improves this.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provides an easel capable of automatically clamping a drawing board.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a but easel of automatic centre gripping drawing board, includes the support frame, support frame upper portion articulates there is the backup pad, the backup pad openly is equipped with the supporting seat that can reciprocate and the splint that can control about, splint are located the supporting seat both sides and are higher than supporting seat upper portion, the supporting seat is connected through first connecting rod with two splint, works as when the supporting seat descends, two splint lateral shifting is close to each other.

The supporting plate is characterized in that first hinged supports are arranged on two sides of the back of the supporting plate close to the upper portion, and the supporting frames are hinged to the first hinged supports respectively.

The backup pad includes a plurality of vertical guide ways and a plurality of horizontal guide way, the supporting seat both sides are extended towards the support frame back and are equipped with first direction muscle, first direction muscle runs through the vertical guide way that corresponds and wears out the part and pass through the connecting seat and connect, splint both sides are extended towards the support frame back and are equipped with the second direction muscle, the second direction muscle runs through the horizontal guide way that corresponds and wears out the part and pass through the connecting rod and connect, connecting seat upper portion is equipped with the second free bearing, the connecting rod side is equipped with the fourth free bearing, first connecting rod both ends are articulated with second free bearing and fourth free bearing respectively.

The inside articulated flip that has of backup pad, the flip back is equipped with the LED lamp, and is rotatory flip, the LED lamp can be located the backup pad openly.

The backup pad back is equipped with the roating seat, the roating seat is located flip both sides, the flip both sides are outwards extended and are equipped with the arch, the arch just can be followed the roating seat axis rotation in inserting the roating seat.

The connecting seat is connected with the flip through a second connecting rod, a third hinged support is arranged on the upper portion of the connecting seat, a fifth hinged support extends outwards from the back of the flip, and two ends of the second connecting rod are hinged to the third hinged support and the fifth hinged support respectively.

And the third hinge seat is provided with a guide groove, and the second connecting rod is hinged with the guide groove and can move along the guide groove.

The back of the supporting plate is provided with a supporting block, the supporting block is located below the connecting seat, the upper portion of the supporting block extends upwards to be provided with a guide rod, the guide rod penetrates through the upper surface of the connecting seat, the connecting seat can move up and down along the guide rod, a spring is sleeved on the outer side of the guide rod, and two ends of the spring are respectively abutted to the connecting seat and the supporting block.

The utility model discloses a handle nut, including backup pad, support frame, backup pad both sides are equipped with the arc muscle towards support frame department extension, be equipped with the arc guide way in the arc muscle, the support frame outside is articulated with the arc guide way, the backup pad can be rotatory along the arc guide way, the support frame passes through the handle nut with the arc guide way and fixes.

Supporting legs are arranged at the bottom of the supporting frame.

The utility model has the beneficial effects that:

1. when the drawing board is placed on the supporting plate, the lower portion of the drawing board abuts against the upper portion of the supporting seat, the supporting seat is driven to move downwards along the vertical guide groove through the gravity of the drawing board, meanwhile, the connecting seat moves downwards to pull the first connecting rod, the first connecting rod drives the clamping plates on the two sides to mutually approach and abut against the side faces of the drawing board along the transverse guide grooves, and the drawing board is fixed in such a way, so that the automatic clamping and fixing of the drawing board are realized, the fixing is firm, the drawing board is prevented from being deviated during drawing, the placing and taking down are also convenient, the structure is simple and reasonable, and the practicability is good;

2. when the easel is not needed to be used, the flip cover is hidden inside the supporting plate, so that the surface of the supporting plate is cleaner and tidier, the easel is convenient to carry, and the LED lamp is prevented from being damaged in the carrying process; when using the easel, flip opens and exposes the LED lamp at the flip back, through setting up the LED lamp, can solve the shortcoming that current easel can't draw under the environment of not enough light, improves the illuminating effect of drawing board, the people's of being convenient for drawing, and simple structure is reasonable, and the practicality is good.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic view of the backside of the present invention;

FIG. 3 is a schematic view of the back side of the present invention in use;

fig. 4 is a partial structural schematic view of the front side of the present invention in use.

In the figure: the support frame 1, the supporting foot 11, the supporting plate 2, the first hinged support 21, the vertical guide way 22, the horizontal guide way 23, the arc-shaped rib 24, the arc-shaped guide way 25, the supporting block 26, the guide rod 27, the rotating base 28, the supporting base 3, the first guide rib 31, the connecting base 32, the second hinged support 33, the third hinged support 34, the guide way 35, the clamping plate 4, the second guide rib 41, the connecting rod 42, the fourth hinged support 43, the first connecting rod 5, the flip cover 6, the LED lamp 61, the bulge 62, the fifth hinged support 63, the second connecting rod 7, the spring 8 and the handle nut 9.

Detailed Description

The utility model is further described with reference to the accompanying drawings and the detailed description below:

in the description of the present specification, the terms "upper", "lower", "left", "right", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or unit must have a specific direction, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

As shown in fig. 1 to 4, an easel capable of automatically clamping a drawing board comprises a supporting frame 1, wherein a supporting plate 2 is hinged on the upper portion of the supporting frame 1, the drawing board can be placed on the supporting plate 2, a supporting seat 3 capable of moving up and down and a clamping plate 4 capable of moving left and right are arranged on the front side of the supporting plate 2, the clamping plate 4 is positioned on two sides of the supporting seat 3 and is higher than the upper portion of the supporting seat 3, the supporting seat 3 is connected with the two clamping plates 4 through a first connecting rod 5, when the supporting seat 3 descends, the two clamping plates 4 move transversely and approach each other, specifically, the supporting plate 2 comprises a plurality of vertical guide grooves 22 and a plurality of transverse guide grooves 23, first guide ribs 31 are arranged on two sides of the supporting seat 3 extending towards the back of the supporting frame 1, the first guide ribs 31 penetrate through the corresponding vertical guide grooves 22 and penetrate out of the parts to be connected through a connecting seat 32, and second guide ribs 41 are arranged on two sides of the clamping plates 4 extending towards the back of the supporting frame 1, the second guiding rib 41 penetrates through the corresponding transverse guiding groove 23 and penetrates out of the transverse guiding groove to be connected through the connecting rod 42, the second hinge seat 33 is arranged at the upper part of the connecting seat 32, the fourth hinge seat 43 is arranged on the side surface of the connecting rod 42, two ends of the first connecting rod 5 are respectively hinged with the second hinge seat 33 and the fourth hinge seat 43, the hinge holes of the first connecting rod 5 and the fourth hinge seat 43 are waist-shaped holes, the hinge point can move in the waist-shaped hole, through the structural design, when the drawing board is placed on the supporting plate 2, the lower part of the drawing board is abutted against the upper part of the supporting seat 3, the supporting seat 3 is driven to move downwards along the vertical guiding groove 22 through the gravity of the drawing board, meanwhile, the connecting seat 32 moves downwards to pull the first connecting rod 5, the first connecting rod 5 drives the clamping plates 4 at two sides to be close to each other and abutted against the side surface of the drawing board along the transverse guiding groove 23, and the automatic clamping and fixing of the drawing board can be realized, not only fixed firm, prevent people's drawing board skew on the way of drawing, but also conveniently place and take off, simple structure is reasonable, and the practicality is good.

The novel easel is characterized in that a flip cover 6 is hinged inside the supporting plate 2, an LED lamp 61 is arranged on the back of the flip cover 6, the flip cover 6 is rotated, the LED lamp 61 can be located on the front side of the supporting plate 2, specifically, a rotating seat 28 is arranged on the back of the supporting plate 2, the rotating seat 28 is located on two sides of the flip cover 6, protrusions 62 are arranged on two sides of the flip cover 6 in an outward extending mode, the protrusions 62 are inserted into the rotating seat 28 and can rotate along the axis of the rotating seat 28, when the easel is not needed to be used, the flip cover 6 is hidden inside the supporting plate 2, the surface of the supporting plate 2 is enabled to be cleaner, carrying of the easel is facilitated, and the LED lamp 61 is prevented from being damaged in the carrying process; when using the easel, flip 6 opens and exposes the LED lamp 61 at the flip 6 back, through setting up LED lamp 61, can solve the shortcoming that current easel can't draw under the environment that light is not enough, improves the illuminating effect of drawing board, the people's of being convenient for drawing, simple structure is reasonable, and the practicality is good.

The connecting seat 32 is connected through second connecting rod 7 with flip 6, connecting seat 32 upper portion is equipped with third free bearing 34, the outside extension in flip 6 back is equipped with fifth free bearing 63, second connecting rod 7 both ends are articulated with third free bearing 34 and fifth free bearing 63 respectively, and when the drawing board was placed on supporting seat 3, connecting seat 32 moved down, and pulling second connecting rod 7 moved down, and second connecting rod 7 drives fifth free bearing 63 and rotates downwards and open flip 6, through above-mentioned structural design, has realized flip 6 and supporting seat 3's linkage, has cancelled the manual operation of opening flip 6 and carrying out the illumination to operating procedure has been simplified greatly, labour saving and time saving more.

The third hinge base 34 is provided with a guide groove 35, the second connecting rod 7 is hinged to the guide groove 35 and can move along the guide groove 35, and since the stroke of the fifth hinge base 63 for rotating and descending is short, in order to ensure the stroke of the connecting base 32 for moving downwards and ensure the clamping reliability of the drawing board, the stroke of the connecting base 32 for moving downwards is larger than the stroke of the fifth hinge base 63 for rotating and descending by arranging the guide groove 35, specifically, when the connecting base 32 moves downwards, the hinged point of the second connecting rod 7 and the third hinge base 34 firstly moves upwards along the guide groove 35; the fifth hinge base 63 is pulled to rotate downward when the hinge point of the second link 7 with the third hinge base 34 abuts on the upper portion of the guide groove 35.

The back of the supporting plate 2 is provided with a supporting block 26, the supporting block 26 is located below a connecting seat 32, the upper portion of the supporting block 26 extends upwards to form a guide rod 27, the guide rod 27 penetrates through the upper surface of the connecting seat 32, the connecting seat 32 can move up and down along the guide rod 27, and by means of the guide rod 27, the supporting seat 3 can move up and down more smoothly, and clamping failure of the drawing board due to movement and clamping of the supporting seat 3 is prevented.

The outside of the guiding rod 27 is sleeved with a spring 8, two ends of the spring 8 are respectively abutted against the connecting seat 32 and the supporting block 26, wherein the force of the spring 8 is small, and only the function of assisting the resetting of the connecting seat 32 can be achieved, when the drawing board is placed on the supporting seat 3, the connecting seat 32 descends and compresses the spring 8, and when the drawing board is taken down, the spring 8 rebounds to drive the supporting seat 3 to move upwards for resetting, so that the drawing board can be fixed again.

2 back both sides of backup pad are close to top department and are equipped with first free bearing 21, support frame 1 is articulated with first free bearing 21 respectively, 2 both sides of backup pad are equipped with arc muscle 24 towards support frame 1 department extension, be equipped with arc guide way 25 in the

arc muscle

24, 1 outside of support frame is articulated with arc guide way 25, backup pad 2 can be rotatory along arc guide way 25, support frame 1 passes through handle nut 9 with arc guide way 25 and fixes, specifically does, when the angle of needs regulation backup pad 2, twists the pine with handle nut 9, promotes backup pad 2 and removes along arc guide way 25, when adjusting suitable angle, screws up handle nut 9, fixes backup pad 2, through the above-mentioned design, can realize the angle modulation of backup pad 2, the people's of being convenient for drawing, satisfies more people's demand.

Supporting legs 11 are arranged at the bottom of the supporting frame 1, so that the stability of the easel can be improved, and the easel is prevented from toppling.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides a but easel of centre gripping drawing board automatically which characterized in that: including support frame (1), support frame (1) upper portion articulates there is backup pad (2), backup pad (2) openly are equipped with supporting seat (3) that can reciprocate and splint (4) that can remove about, splint (4) are located supporting seat (3) both sides and are higher than supporting seat (3) upper portion, supporting seat (3) are connected through first connecting rod (5) with two splint (4), work as when supporting seat (3) descend, two splint (4) lateral shifting is close to each other.

2. The easel capable of automatically clamping the drawing board according to claim 1, wherein: the supporting plate is characterized in that first hinged supports (21) are arranged on two sides of the back of the supporting plate (2) close to the upper portion, and the supporting frame (1) is hinged to the first hinged supports (21) respectively.

3. The easel capable of automatically clamping the drawing board according to claim 1, wherein: backup pad (2) include a plurality of vertical guide way (22) and a plurality of horizontal guide way (23), supporting seat (3) both sides are extended towards support frame (1) back and are equipped with first direction muscle (31), first direction muscle (31) run through corresponding vertical guide way (22) and wear out the part and pass through connecting seat (32) and connect, splint (4) both sides are extended towards support frame (1) back and are equipped with second direction muscle (41), second direction muscle (41) run through corresponding horizontal guide way (23) and wear out the part and pass through connecting rod (42) and be connected, connecting seat (32) upper portion is equipped with second free bearing (33), connecting rod (42) side is equipped with fourth free bearing (43), first connecting rod (5) both ends are articulated with second free bearing (33) and fourth free bearing (43) respectively.

4. The easel capable of automatically clamping the drawing board according to claim 3, wherein: backup pad (2) inside articulated have flip (6), flip (6) back is equipped with LED lamp (61), rotates flip (6), LED lamp (61) can be located backup pad (2) openly.

5. The easel capable of automatically clamping the drawing board according to claim 4, wherein: backup pad (2) back is equipped with roating seat (28), roating seat (28) are located flip (6) both sides, flip (6) both sides are outwards extended and are equipped with arch (62), arch (62) insert in roating seat (28) and can follow roating seat (28) axis rotation.

6. The easel capable of automatically clamping the drawing board according to claim 5, wherein: the connecting seat (32) is connected with the flip (6) through the second connecting rod (7), the third hinged support (34) is arranged on the upper portion of the connecting seat (32), the fifth hinged support (63) extends outwards from the back of the flip (6), and two ends of the second connecting rod (7) are hinged to the third hinged support (34) and the fifth hinged support (63) respectively.

7. The easel capable of automatically clamping the drawing board according to claim 6, wherein: the third hinge seat (34) is provided with a guide groove (35), and the second connecting rod (7) is hinged with the guide groove (35) and can move along the guide groove (35).

8. The easel capable of automatically clamping the drawing board according to claim 3, wherein: the supporting plate is characterized in that a supporting block (26) is arranged on the back of the supporting plate (2), the supporting block (26) is located below the connecting seat (32), a guide rod (27) extends upwards from the upper portion of the supporting block (26), the guide rod (27) penetrates through the upper surface of the connecting seat (32), the connecting seat (32) can move up and down along the guide rod (27), a spring (8) is sleeved on the outer side of the guide rod (27), and two ends of the spring (8) are respectively abutted to the connecting seat (32) and the supporting block (26).

9. The easel capable of automatically clamping the drawing board according to claim 1, wherein: backup pad (2) both sides are equipped with arc muscle (24) towards support frame (1) department extension, be equipped with arc guide way (25) in arc muscle (24), support frame (1) outside is articulated with arc guide way (25), backup pad (2) can be rotatory along arc guide way (25), support frame (1) is fixed through handle nut (9) with arc guide way (25).

10. The easel capable of automatically clamping the drawing board according to claim 1, wherein: the bottom of the support frame (1) is provided with a support leg (11).