CN112401482A

CN112401482A - Easel with quick clamping function

Info

Publication number: CN112401482A
Application number: CN202011229586.0A
Authority: CN
Inventors: 王同爱
Original assignee: Taoyuan No9 Middle School
Current assignee: Taoyuan No9 Middle School
Priority date: 2020-11-06
Filing date: 2020-11-06
Publication date: 2021-02-26

Abstract

The invention discloses an easel with a quick clamping function, which relates to the field of easels and comprises a fixed frame, a clamping mechanism and a rotation limiting mechanism, wherein a cross rod is fixed on the inner side of the fixed frame, and the top end of the cross rod is connected with a vertical rod; the clamping mechanism comprises a fixed block and a moving block, the fixed block is located at one end of the fixed frame, the moving block is located under the fixed block, the clamping mechanism further comprises a strip-shaped groove located inside the vertical rod, and a sliding block is connected to the inner wall, located in the strip-shaped groove, of one end of the moving block. According to the invention, the clamping mechanism is arranged, the handle is rotated to drive the lead screw to rotate, when the lead screw rotates, the connecting hole in the sliding block moves upwards along the outer wall of the lead screw until the moving block drives the top end of the sketch clamp or the drawing board to be contacted with the fixed block, and at the moment, the moving block and the fixed block are matched with each other to effectively fix the sketch clamp or the drawing board, so that the aim of quickly clamping is fulfilled.

Description

Easel with quick clamping function

Technical Field

The invention relates to the field of easels, in particular to an easel with a quick clamping function.

Background

An easel is a stand-alone structure designed to hold a CANVAS (CANVAS) or a Palette (PANEL) by an artist during painting.

However, the existing painting frame is not fast and convenient enough for fixing the painting board or the sketch clamp, so that more time is consumed, and the creation efficiency is influenced; simultaneously, current easel is when removing or shifting, and its stabilizer blade can rotate and accomodate, but, does not have an effectual limit structure, when leading to removing or shifting, its stabilizer blade takes place the swing easily, causes the easel and collides with other articles, causes the damage.

Disclosure of Invention

The invention aims to: the method aims to solve the problems that the conventional picture frame is not fast and convenient enough to fix a drawing board or a sketch clamp, so that more time is consumed, and the creation efficiency is influenced; simultaneously, current easel is when removing or shifting, and its stabilizer blade can rotate and accomodate, but, does not have an effectual limit structure, when leading to removing or shifting, its stabilizer blade takes place the swing easily, causes the easel and collides with other article, causes the problem of damage, provides an easel that possesses the quick clamping function.

In order to achieve the purpose, the invention provides the following technical scheme: an easel with a quick clamping function comprises a fixed frame, a clamping mechanism and a rotary limiting mechanism, wherein a cross rod is fixed on the inner side of the fixed frame, and the top end of the cross rod is connected with a vertical rod;

the clamping mechanism comprises a fixed block and a moving block which are positioned at one end of a fixed frame, the moving block is positioned right below the fixed block, the clamping mechanism further comprises a strip-shaped groove positioned inside a vertical rod, a sliding block is connected to the inner wall, positioned at one end of the moving block, of the strip-shaped groove, connecting holes are formed in the sliding block and the cross rod, a lead screw is connected to the inner wall of each connecting hole, and a handle is fixed to the bottom end of the lead screw;

wherein, rotate stop gear including the holding tank that is located mount one end, the inner wall of holding tank is provided with the connecting hole, the inner wall of connecting hole rotates and is connected with the connecting axle, the inboard of connecting axle is fixed with the stabilizer blade, the inside of connecting hole is provided with multiunit spring groove, the inner wall in spring groove is connected with the spring, the one end of spring is connected with the lug.

Preferably, the top of movable block and the bottom of fixed block all are provided with the recess with sketch clamp assorted, the mount passes through bolt detachable connection with the fixed block.

Preferably, the outer wall of the sliding block is matched with the inner wall of the strip-shaped groove, an internal thread matched with the outer wall of the screw rod is arranged in a connecting hole in the sliding block, and the connecting hole is rotatably connected with the screw rod through a bearing.

Preferably, the inner walls of the supporting legs are matched with the outer walls of the accommodating grooves, and the outer walls of the connecting shafts are matched with the inner walls of the connecting holes.

Preferably, one end of the bump close to the connecting shaft is of a hemispherical structure, and a groove matched with the hemispherical structure is formed in the outer wall of the connecting shaft.

Preferably, one end of the lug, which is close to the connecting hole, is a cylindrical mechanism, and the inner wall of the spring groove is matched with one end of the cylindrical outer wall of the connecting hole.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, the clamping mechanism is arranged, the handle is rotated to drive the lead screw to rotate, when the lead screw rotates, the connecting hole in the sliding block moves upwards along the outer wall of the lead screw until the moving block drives the top end of the sketch clamp or the drawing board to be contacted with the fixed block, and at the moment, the moving block and the fixed block are matched with each other to effectively fix the sketch clamp or the drawing board, so that the aim of quickly clamping is fulfilled;

2. according to the invention, the rotation limiting mechanism is arranged, one end of the support leg rotates on the inner wall of the accommodating groove through the connecting shaft and the connecting hole by pulling the support leg until the support leg is completely clamped into the inner wall of the accommodating groove, the connecting shaft rotates on the inner wall of the connecting hole in the process, the connecting shaft continuously extrudes the hemispherical ends of the plurality of lugs, the lugs move under stress and move towards the inner wall of the spring groove to drive the spring to compress, and after the connecting shaft rotates, the plurality of lugs and the grooves on the outer wall of the connecting shaft are used in a pair, so that the lugs form effective limiting on the connecting shaft and prevent the connecting shaft from rotating randomly in.

Drawings

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

FIG. 2 is an enlarged view of a portion of the present invention at A;

FIG. 3 is a schematic view of the installation of the lead screw of the present invention;

FIG. 4 is a schematic view of the mounting of the stand bar of the present invention;

FIG. 5 is an enlarged view of a portion of the present invention at B;

fig. 6 is a cross-sectional view of the connecting shaft of the present invention.

In the figure: 1. a fixed mount; 2. a cross bar; 3. a vertical rod; 4. a strip-shaped groove; 5. a moving block; 6. a fixed block; 7. a support leg; 8. a slider; 9. connecting holes; 10. a screw rod; 11. a handle; 12. accommodating grooves; 13. connecting holes; 14. a connecting shaft; 15. a spring slot; 16. a spring; 17. and (4) a bump.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. The following describes an embodiment of the present invention based on its overall structure.

Referring to fig. 1-6, an easel with a quick clamping function comprises a fixed frame 1, a clamping mechanism and a rotation limiting mechanism, wherein a cross rod 2 is fixed on the inner side of the fixed frame 1, and the top end of the cross rod 2 is connected with a vertical rod 3;

the clamping mechanism comprises a fixed block 6 and a moving block 5 which are positioned at one end of a fixed frame 1, the moving block 5 is positioned under the fixed block 6, the clamping mechanism further comprises a strip-shaped groove 4 positioned inside a vertical rod 3, a sliding block 8 is connected to the inner wall, positioned in the strip-shaped groove 4, of one end of the moving block 5, connecting holes 9 are formed in the sliding block 8 and the cross rod 2, the inner wall of each connecting hole 9 is connected with a lead screw 10, and a handle 11 is fixed at the bottom end of each lead screw 10;

wherein, rotate stop gear including the holding tank 12 that is located 1 one end of mount, the inner wall of holding tank 12 is provided with connecting hole 13, and the inner wall of connecting hole 13 rotates and is connected with connecting axle 14, and the inboard of connecting axle 14 is fixed with stabilizer blade 7, and the inside of connecting hole 13 is provided with multiunit spring groove 15, and the inner wall of spring groove 15 is connected with spring 16, and the one end of spring 16 is connected with lug 17.

Please refer to fig. 1, the top end of the moving block 5 and the bottom end of the fixing block 6 are both provided with a groove matched with the sketch clamp, so as to limit the two sides of the sketch clamp, and the fixing frame 1 and the fixing block 6 are detachably connected through a bolt, so as to facilitate the detachment and replacement of the fixing block 6.

Please refer to fig. 2 and fig. 3, the outer wall of the sliding block 8 fits with the inner wall of the strip-shaped groove 4, so that the sliding block 8 can move on the inner wall of the strip-shaped groove 4 conveniently, the inner connecting hole 9 of the sliding block 8 is provided with an inner thread matched with the outer wall of the screw rod 10, so that the sliding block 8 can move up and down along the screw rod 10 under the action of the inner thread of the sliding block 8 when the screw rod 10 rotates, the connecting hole 9 in the cross bar 2 is rotatably connected with the screw rod 10 through a bearing, so that the friction between one connecting hole 9 and the screw rod.

Please refer to fig. 4 and 5, the inner wall of the supporting leg 7 is engaged with the outer wall of the receiving groove 12, so that the supporting leg 7 is clamped into the inner wall of the receiving groove 12, and the outer wall of the connecting shaft 14 is engaged with the inner wall of the connecting hole 13, so that the connecting shaft 14 is rotated on the inner wall of the connecting hole 13.

Please refer to fig. 6, one end of the protrusion 17 close to the connecting shaft 14 is a hemispherical structure, and the outer wall of the connecting shaft 14 is provided with a groove matched with the hemispherical structure, so that the hemispherical end of the protrusion 17 is clamped into the inner wall of the groove.

Please refer to fig. 6, one end of the protrusion 17 close to the connection hole 13 is a cylindrical mechanism, and the inner wall of the spring slot 15 matches with one end of the cylindrical outer wall of the connection hole 13, so that the other end of the protrusion 17 is clamped into the inner wall of the spring slot 15.

The working principle is as follows: firstly, when the sketching clamp or the drawing board is fixed by using the easel, the sketching clamp or the drawing board is placed at the top end of a movable block 5, then the handle 11 is rotated, the handle 11 drives a screw rod 10 to rotate, when the screw rod 10 rotates, a connecting hole 9 in a slide block 8 moves upwards along the outer wall of the screw rod 10 until the movable block 5 drives the top end of the sketching clamp or the drawing board to contact with a fixed block 6, at the moment, the movable block 5 and the fixed block 6 are mutually matched to effectively fix the sketching clamp or the drawing board, so that the aim of quick clamping is fulfilled, after the easel is used, one end of a supporting leg 7 rotates on the inner wall of an accommodating groove 12 through a connecting shaft 14 and a connecting hole 13 by pulling the supporting leg 7 until the supporting leg 7 is completely clamped into the inner wall of the accommodating groove 12, in the process, the connecting shaft 14 rotates on the inner wall of the connecting hole, the convex blocks 17 are forced to move and move towards the inner wall of the spring groove 15 to drive the spring 16 to compress, and after the connecting shaft 14 rotates, the convex blocks 17 and the grooves on the outer wall of the connecting shaft 14 are used one by one, so that the convex blocks 17 effectively limit the connecting shaft 14 and prevent the connecting shaft 14 from rotating randomly in the moving process.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides an easel that possesses quick clamping function, includes mount (1), clamping mechanism and rotates stop gear, its characterized in that: a cross rod (2) is fixed on the inner side of the fixed frame (1), and the top end of the cross rod (2) is connected with a vertical rod (3);

the clamping mechanism comprises a fixed block (6) and a moving block (5) which are located at one end of a fixed frame (1), the moving block (5) is located under the fixed block (6), the clamping mechanism further comprises a strip-shaped groove (4) located inside a vertical rod (3), a sliding block (8) is connected to the inner wall, located in the strip-shaped groove (4), of one end of the moving block (5), connecting holes (9) are formed in the sliding block (8) and the cross rod (2), a lead screw (10) is connected to the inner wall of each connecting hole (9), and a handle (11) is fixed to the bottom end of the lead screw (10);

wherein, rotate stop gear including holding tank (12) that are located mount (1) one end, the inner wall of holding tank (12) is provided with connecting hole (13), the inner wall of connecting hole (13) rotates and is connected with connecting axle (14), the inboard of connecting axle (14) is fixed with stabilizer blade (7), the inside of connecting hole (13) is provided with multiunit spring groove (15), the inner wall of spring groove (15) is connected with spring (16), the one end of spring (16) is connected with lug (17).

2. The easel with quick clamping function according to claim 1, wherein: the top of the moving block (5) and the bottom of the fixed block (6) are both provided with grooves matched with the sketch clamp, and the fixed frame (1) and the fixed block (6) are detachably connected through bolts.

3. The easel with quick clamping function according to claim 1, wherein: the outer wall of the sliding block (8) is matched with the inner wall of the strip-shaped groove (4), an internal thread matched with the outer wall of the screw rod (10) is arranged in an internal connecting hole (9) of the sliding block (8), and the connecting hole (9) is rotatably connected with the screw rod (10) through a bearing.

4. The easel with quick clamping function according to claim 1, wherein: the inner walls of the supporting legs (7) are matched with the outer walls of the accommodating grooves (12), and the outer walls of the connecting shafts (14) are matched with the inner walls of the connecting holes (13).

5. The easel with quick clamping function according to claim 1, wherein: the one end that lug (17) are close to connecting axle (14) is the hemisphere structure, the outer wall of connecting axle (14) is provided with the recess with hemisphere structure assorted.

6. The easel with quick clamping function according to claim 1, wherein: one end, close to the connecting hole (13), of the convex block (17) is a cylindrical mechanism, and the inner wall of the spring groove (15) is matched with one end of the cylindrical outer wall of the connecting hole (13).