CN210920758U

CN210920758U - Vertical liquid crystal handwriting screen support

Info

Publication number: CN210920758U
Application number: CN201921645010.5U
Authority: CN
Inventors: 赵梅青; 袁博
Original assignee: Tianjin Chinabeacon Information Management Technology Co ltd
Current assignee: Tianjin Chinabeacon Information Management Technology Co ltd
Priority date: 2019-09-29
Filing date: 2019-09-29
Publication date: 2020-07-03
Anticipated expiration: 2029-09-29

Abstract

The utility model discloses a vertical liquid crystal handwriting screen support, including base and telescopic link, the upper end fixed mounting of base has first bracing piece, the upper end fixed mounting of first bracing piece has the second bracing piece, fixed mounting has the horizontal pole between the second bracing piece, the front end fixed mounting of horizontal pole has first fixing base, the circular recess has been seted up to the front side of first fixing base, the inner wall of circular recess is inlayed and is had the spheroid, spheroidal front end fixed mounting has the dead lever, the other end fixed mounting of dead lever is in the rear end of handwriting screen, the equal fixed mounting in both ends has the telescopic link about the front side of second bracing piece, the other end of telescopic link articulates on the second fixing base through the articulated shaft. The utility model discloses a set up spheroid and telescopic link and mutually support for teacher's more comfortable convenience when writing on the handwriting screen has improved teacher's the quality of writing, has made things convenient for more clarity of student when watching the teaching plan.

Description

Vertical liquid crystal handwriting screen support

Technical Field

The utility model relates to the technical field of supports, specifically be a vertical liquid crystal handwriting screen support.

Background

Along with the development of society, the continuous progress of science and technology, various electronic product wide application and each field in our life, in particular to the aspect of teaching, the notes are write with the chalk on the blackboard to traditional teaching mode, because the chalk can produce a large amount of dust, can influence teacher's health, consequently more and more schools begin to adopt vertical liquid crystal handwriting screen to teach, but because vertical liquid crystal handwriting screen is vertical to be fixed on the support, in the use, because every teacher's writing mode is different, can be because the problem of angle when writing, write the inconvenience of getting up very, consequently, need a vertical liquid crystal handwriting screen support urgently to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a vertical liquid crystal handwriting screen support to propose in solving above-mentioned background art when using, because every teacher's writing mode is different, can write very inconvenient problem because of the problem of angle when writing.

In order to achieve the above object, the utility model provides a following technical scheme: a vertical liquid crystal handwriting screen support comprises a base and a telescopic rod, wherein a first supporting rod is fixedly mounted at the upper end of the base, a second supporting rod is fixedly mounted at the upper end of the first supporting rod, a cross rod is fixedly mounted between the second supporting rods, a first fixing seat is fixedly mounted at the front end of the cross rod, a circular groove is formed in the front side of the first fixing seat, a ball body is embedded in the inner wall of the circular groove, a fixing rod is fixedly mounted at the front end of the ball body, the other end of the fixing rod is fixedly mounted at the rear end of the handwriting screen, telescopic rods are fixedly mounted at the upper end and the lower end of the front side of the second supporting rod, the other end of each telescopic rod is hinged to the second fixing seat through a hinge shaft, the handwriting screen is fixedly mounted at the front end of the second fixing seat, an L-shaped plate is fixedly mounted, the inner wall fixed mounting of diaphragm has the axis of rotation, the left side of axis of rotation is seted up flutedly, the inner wall of recess is inlayed and is had the control lever, the left side fixed mounting of control lever has the rotation handle.

Preferably, first draw-in groove has evenly been seted up on spheroidal surface, the inner wall of first draw-in groove is inlayed and is had first movable rod, through first spring fixed connection between the inner wall of first movable rod and first draw-in groove, spheroidal one side embedding is kept away from at the inner wall of second draw-in groove to first movable rod, the second draw-in groove is seted up on the inside wall of circular recess.

Preferably, the telescopic link includes second movable rod, third movable rod and second spring, the inner wall of second movable rod is inlayed and is had the third movable rod, pass through second spring coupling between third movable rod and the second movable rod inner wall, second movable rod fixed mounting is in the front side of second bracing piece, third movable rod fixed mounting is at the outer wall of articulated shaft.

Preferably, the right end of control lever sets up to outside convex lug, and the even distribution of lug is in the week side of control lever, the inner wall of recess is provided with corresponding lug, and can mutually the joint be in the same place between the lug of recess and control lever.

Preferably, the outer wall fixed mounting of control lever has the stopper, pass through third spring coupling between stopper and the recess.

Compared with the prior art, the beneficial effects of the utility model are that:

1. this vertical liquid crystal handwriting screen support mutually supports with the telescopic link through setting up the spheroid, and the position of handwriting the screen can be adjusted according to the writing mode of oneself and custom to the different teachers at the in-process of writing for more comfortable convenience when the teacher writes on handwriting the screen has improved teacher's writing quality, has made things convenient for more clear when the student watches the teaching plan.

2. This vertical liquid crystal handwriting screen support rotates handle and diaphragm through setting up and mutually supports, can expand the diaphragm, clears up the dust of diaphragm upper end, when having avoided the dust on the clearance diaphragm, water contacts the lower extreme of handwriting screen, leads to handwriting the inside water of screen, causes the problem of handwriting the screen damage, has improved the life of handwriting the screen, has made things convenient for the clearance to the diaphragm upper end dust.

Description of the drawings:

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

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

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

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2 according to the present invention;

FIG. 4 is an enlarged schematic view of the structure at B in FIG. 1 according to the present invention;

FIG. 5 is a schematic side view of the control rod of the present invention;

fig. 6 is a schematic view of the front section of the telescopic rod of the present invention.

In the figure: 1. a base; 2. a first support bar; 3. a second support bar; 4. a cross bar; 5. a first fixed seat; 6. a circular groove; 7. a sphere; 8. a first card slot; 9. a first movable bar; 10. a second card slot; 11. A first spring; 12. fixing the rod; 13. a handwriting screen; 14. a telescopic rod; 141. a second movable bar; 142. A third movable bar; 143. a second spring; 15. a second fixed seat; 16. hinging a shaft; 17. an L-shaped plate; 18. a transverse plate; 19. a rotating shaft; 20. a groove; 21. a control lever; 22. rotating the handle; 23. a limiting block; 24. and a third spring.

The specific implementation mode is as follows:

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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides an embodiment: a vertical liquid crystal handwriting screen support comprises a base 1 and an expansion link 14, wherein a first supporting rod 2 is fixedly installed at the upper end of the base 1, a second supporting rod 3 is fixedly installed at the upper end of the first supporting rod 2, a cross rod 4 is fixedly installed between the second supporting rods 3, a first fixing seat 5 is fixedly installed at the front end of the cross rod 4, a circular groove 6 is formed in the front side of the first fixing seat 5, a ball body 7 is inlaid in the inner wall of the circular groove 6, a first clamping groove 8 is uniformly formed in the surface of the ball body 7, a first movable rod 9 is inlaid in the inner wall of the first clamping groove 8, the first movable rod 9 is fixedly connected with the inner wall of the first clamping groove 8 through a first spring 11, one side, far away from the ball body 7, of the first movable rod 9 is inlaid in the inner wall of a second clamping groove 10, the second clamping groove 10 is inlaid in the inner side wall of the circular groove 6, the position of a handwriting, make the teacher more comfortable convenient when writing on handwriting screen 13, improved teacher's writing quality, made things convenient for more clear when the student watches the teaching plan, can also fix each angle simultaneously, avoided adjusting to suitable angle, but the problem that can not fix has improved the stability of device.

The front end fixed mounting of spheroid 7 has dead lever 12, the other end fixed mounting of dead lever 12 is at the rear end of handwriting screen 13, both ends all fixed mounting has telescopic link 14 about the front side of second bracing piece 3, telescopic link 14 includes second movable rod 141, third movable rod 142 and second spring 143, the inner wall of second movable rod 141 is inlayed and is had third movable rod 142, be connected through second spring 143 between third movable rod 142 and the second movable rod 141 inner wall, second movable rod 141 fixed mounting is at the front side of second bracing piece 3, third movable rod 142 fixed mounting is at articulated shaft 16's outer wall, can mutually support with spheroid 7, improve the stability of device, the upper and lower both ends that can also avoid handwriting screen 13 simultaneously take place the striking with second bracing piece 3, cause the problem that handwriting screen 13 damaged, the life of handwriting screen 13 has been improved.

The other end of the telescopic rod 14 is hinged on a second fixed seat 15 through a hinge shaft 16, the second fixed seat 15 is connected, a handwriting screen 13 is fixedly installed on the front side, an L-shaped plate 17 is fixedly installed on the lower side of the lower end telescopic rod 14, the L-shaped plates 17 are connected through a transverse plate 18, a rotating shaft 19 is fixedly installed on the inner wall of the transverse plate 18, a groove 20 is formed in the left side of the rotating shaft 19, a control rod 21 is embedded in the inner wall of the groove 20, a convex block protruding outwards is arranged at the right end of the control rod 21 and evenly distributed on the peripheral side of the control rod 21, a corresponding convex block is arranged on the inner wall of the groove 20, the convex blocks of the groove 20 and the control rod 21 can be mutually clamped together, the control rod 21 can drive the transverse plate 18 to rotate, and water is prevented from contacting with the lower end of the handwriting screen 13 when dust, cause the problem that handwriting screen 13 damaged, the life of handwriting screen 13 has been improved, the clearance to diaphragm 18 upper end dust has been made things convenient for, the left side fixed mounting of control lever 21 has rotation handle 22, the outer wall fixed mounting of control lever 21 has stopper 23, be connected through third spring 24 between stopper 23 and the recess 20, can be when not using, directly withdraw from the state of block, avoid carelessly rotating rotation handle 22, make the object on the diaphragm 18 drop, cause the problem of damage, the stability of device has been improved.

The working principle is as follows: when writing, according to teacher's custom very much, the teacher can be through the all around of extrusion handwriting screen 13, make handwriting screen 13 extrusion telescopic link 14, make telescopic link 14 shrink, simultaneously can also drive spheroid 7 and rotate, make spheroid 7 rotate at the inner wall of circular recess 6, effect at the pivoted owing force, can extrude first movable rod 9, make first movable rod 9 extrude first spring 11, elastic deformation takes place for first spring 11, make first movable rod 9 break away from the inner wall of second draw-in groove 10, then can rotate spheroid 7, make spheroid 7 drive handwriting screen 13 adjust suitable position, when spheroid 7 does not rotate, first movable rod 9 is because of the effect of not having the power, imbed the inner wall of second draw-in groove 10 again, fix spheroid 7, thereby fix handwriting screen 13.

After long-term use, dust is accumulated at the upper end of the transverse plate 18, the rotating handle 22 is pulled, the limiting block 23 can extrude the third spring 24, the third spring 24 is elastically deformed, the rotating handle 22 drives the control rod 21 to slide leftwards, a convex block on the right side of the control rod 21 is embedded into a convex block on the inner wall of the groove 20, then the rotating handle 22 is rotated, the rotating handle 22 drives the control rod 21 to rotate, the control rod 21 rotates to drive the rotating shaft 19 to rotate, the rotating shaft 19 rotates to drive the transverse plate 18 to rotate, the transverse plate 18 is rotated to be parallel to the handwriting screen 13, the rotating handle 22 is released, due to no force, the third spring 24 is elastically deformed, the control rod 21 slides rightwards, the convex block on the peripheral side of the control rod 21 is separated from the convex block on the inner wall of the groove 20, and the operation is repeated after the dust on the transverse.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. 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 a vertical liquid crystal handwriting screen support, includes base (1) and telescopic link (14), its characterized in that: the handwriting screen is characterized in that a first supporting rod (2) is fixedly mounted at the upper end of the base (1), a second supporting rod (3) is fixedly mounted at the upper end of the first supporting rod (2), a cross rod (4) is fixedly mounted between the second supporting rods (3), a first fixing seat (5) is fixedly mounted at the front end of the cross rod (4), a circular groove (6) is formed in the front side of the first fixing seat (5), a sphere (7) is inlaid in the inner wall of the circular groove (6), a fixing rod (12) is fixedly mounted at the front end of the sphere (7), the other end of the fixing rod (12) is fixedly mounted at the rear end of the handwriting screen (13), telescopic rods (14) are fixedly mounted at the upper end and the lower end of the front side of the second supporting rod (3), the other end of each telescopic rod (14) is hinged to the second fixing seat (15) through a hinge shaft (16), and the handwriting screen (13) is fixedly mounted at, lower extreme the downside fixed mounting of telescopic link (14) has L shaped plate (17), connect through diaphragm (18) between L shaped plate (17), the inner wall fixed mounting of diaphragm (18) has axis of rotation (19), the left side of axis of rotation (19) is seted up flutedly (20), the inner wall of recess (20) is inlayed and is had control lever (21), the left side fixed mounting of control lever (21) has rotation handle (22).

2. The vertical liquid crystal handwriting screen bracket of claim 1, characterized in that: first draw-in groove (8) have evenly been seted up on the surface of spheroid (7), the inner wall of first draw-in groove (8) is inlayed and is had first movable rod (9), through first spring (11) fixed connection between the inner wall of first movable rod (9) and first draw-in groove (8), one side embedding that spheroid (7) were kept away from in first movable rod (9) is at the inner wall of second draw-in groove (10), second draw-in groove (10) are seted up on the inside wall of circular recess (6).

3. The vertical liquid crystal handwriting screen bracket of claim 1, characterized in that: telescopic link (14) include second movable rod (141), third movable rod (142) and second spring (143), the inner wall of second movable rod (141) is inlayed and is had third movable rod (142), be connected through second spring (143) between third movable rod (142) and second movable rod (141) inner wall, second movable rod (141) fixed mounting is in the front side of second bracing piece (3), third movable rod (142) fixed mounting is at the outer wall of articulated shaft (16).

4. The vertical liquid crystal handwriting screen bracket of claim 1, characterized in that: the right-hand member of control lever (21) sets up to outside convex lug, and the even distribution of lug is in the week side of control lever (21), the inner wall of recess (20) is provided with corresponding lug, and can mutually the joint be in the same place between the lug of recess (20) and control lever (21).

5. The vertical liquid crystal handwriting screen bracket of claim 1, characterized in that: the outer wall fixed mounting of control lever (21) has stopper (23), be connected through third spring (24) between stopper (23) and recess (20).