CN209357297U - Rack is used in a kind of displaying of Chinese literature - Google Patents

Abstract

The utility model relates to Chinese teaching equipment technology fields, especially a kind of Chinese literature, which is shown, uses rack, including bottom plate, the upper end of the bottom plate is equipped with the second screw rod, the upper rear portion of second screw rod is plugged with the bolt connecting with fixed link, symmetrically there are two link blocks for socket on the outer wall of the fixed link, the link block is positively connected with display board, the back side of the link block is connected separately with upper boom and lower beam by shaft, two upper booms one end close to each other one end close to each other with two lower beams passes through pin shaft and connects, the lower sidewall of the upper boom and the side wall upper part of lower beam are symmetrically connected with two the first screwed pipes, the first screw rod is connected between two first screwed pipes.The utility model can not only be adjusted to height is shown, and can laterally or vertically be extended to display board, improve use it is comprehensive, it is practical.

Description

Rack is used in a kind of displaying of Chinese literature

Technical field

The utility model relates to Chinese teaching equipment technology fields more particularly to a kind of Chinese literature to show with placement Frame.

Background technique

Chinese literature is the words and phrases of Study of China language, and numerous literature such as poem, prose, novel is made at all times for appreciation Product, Chinese literature teacher needs to carry out during giving lessons a large amount of article and vocabulary is explained, and in order to student's understanding, increases The stock of knowledge amount of student, teacher also usually needs to progress pen annotation explanation etc. at emphasis at the same time, therefore teacher is normal It often needing using cloth is shown to annotation displaying is carried out at emphasis, the length due to showing cloth is different, and sometimes writes sidewards, Sometimes endways writing, existing rack are just unable to satisfy use demand, and using effect is poor, can not be intuitive by context It connects, teaching efficiency is poor, and we have proposed a kind of Chinese literature displaying racks thus.

Utility model content

Purpose of the utility model is to solve disadvantages existing in the prior art, and a kind of Chinese literature proposed Displaying rack.

To achieve the goals above, the utility model adopts the technical scheme that

A kind of Chinese literature displaying rack, including bottom plate are designed, the upper end of the bottom plate is equipped with the second screw rod, institute The upper end for stating the second screw rod is connected with fixed link, and the upper rear portion of second screw rod is plugged with the bolt connecting with fixed link, Symmetrically there are two link blocks, the link block to be positively connected with display board, the connection for socket on the outer wall of the fixed link The back side of block is connected separately with upper boom and lower beam, two upper booms one end close to each other and two lower beams by shaft One end close to each other is connected by pin shaft, and the lower sidewall of the upper boom and the side wall upper part of lower beam are symmetrically connected with two First screwed pipe is connected with the first screw rod between two first screwed pipes.

Preferably, the upper end two sides of the bottom plate are symmetrically arranged with two fixed plates, and the side wall upper part of the fixed plate is equipped with Casing is plugged with extension rod in described sleeve pipe.

Preferably, two springs are symmetrically connected between two lower beams between two upper booms, described in two Spring is fixedly connected with upper boom and lower beam respectively.

Preferably, the upper end of the bottom plate is fixedly connected with bearing, and the upper end of the bearing is connected with and the second screw rod The second screwed pipe matched.

Preferably, the both ends of the fixed link are symmetrically opened up there are two thread groove, and the upper end of the extension rod is equipped with and spiral shell The matched third screw rod of groove, the extension rod with connect Block- matching.

The utility model proposes a kind of Chinese literature displaying rack, beneficial effect is: the utility model makes Used time, in the second screwed pipe of rotation on bearings, the second screw rod moves up and down in the second screwed pipe, fight the height of display board into Row is adjusted, and is improved and is used comprehensive, when text is laterally to write, pulls the separation of two display boards, link block is in fixed link Upper movement, upper boom and lower beam rotate, and spring is stretched, and extend to display board, and third screw rod is transferred in thread groove, Fixed link is extended by extension rod, improves use scope, is moved to suitable position, the first screw rod of rotation enters the first spiral shell In line pipe, upper boom and lower beam are fixed, guarantee the stability of display board, improve use it is comprehensive, when text is perpendicular To when writing, bolt is turned, rotation fixed link is vertical state, and display board becomes vertically extending, facilitates and carry out using the first spiral shell Bar is stuck on bolt, prevents display board from gliding, and improves stability, and the utility model compares the prior art, can not only be to displaying Height is adjusted, and meets different use demands, and can laterally or vertically be extended to display board, improves and uses It is comprehensive, it is practical.

Detailed description of the invention

Fig. 1 be the utility model proposes a kind of Chinese literature displaying rack transverse direction use schematic diagram figure；

Fig. 2 be the utility model proposes a kind of Chinese literature displaying rack it is vertical use schematic diagram；

Fig. 3 be the utility model proposes a kind of Chinese literature displaying rack display board side view.

In figure: 1 bottom plate, 2 casings, 3 fixed links, 4 upper booms, 5 first screw rods, 6 springs, 7 second screw rods, 8 third screw rods, 9 Thread groove, 10 bearings, 11 extension rods, 12 fixed plates, 13 second screwed pipes, 14 bolts, 15 lower beams, 16 first screwed pipes, 17 connect Connect block, 18 display boards.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.

The component of the utility model embodiment for usually describing and showing in attached drawing here can be with a variety of different Configuration is to arrange and design.It therefore, is not below purport to the detailed description of the embodiments of the present invention provided in the accompanying drawings In the range of limitation claimed invention, but it is merely representative of the selected embodiment of the utility model.

Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary, It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition The concrete meaning of language in the present invention.

Referring to Fig.1-3, a kind of Chinese literature, which is shown, uses rack, including bottom plate 1, the upper end two sides of bottom plate 1 symmetrically to set There are two fixed plate 12, the side wall upper part of fixed plate 12 is equipped with casing 2, is plugged with extension rod 11 in casing 2, can be to fixed link 3 are extended, and using effect is improved, and the upper end of bottom plate 1 is equipped with the second screw rod 7, and the upper end of bottom plate 1 is fixedly connected with bearing 10, The upper end of bearing 10 be connected with matched second screwed pipe 13 of the second screw rod 7, can to show height be adjusted, meet not Same use demand improves using effect.

The upper end of second screw rod 7 is connected with fixed link 3, and the both ends of fixed link 3 symmetrically open up there are two thread groove 9, extend The upper end of bar 11, which is equipped with, to be matched with the matched third screw rod 8 of thread groove 9, extension rod 11 with link block 17, and can facilitate will extend Bar 11 and fixed link 3 are attached, and the stability of connection is strong, and the upper rear portion of the second screw rod 7, which is plugged with, to be connect with fixed link 3 Bolt 14, symmetrically there are two link blocks 17, link block 17 to be positively connected with display board 18 for socket on the outer wall of fixed link 3, even It connects the back side of block 17 and upper boom 4 and lower beam 15 is connected separately with by shaft, it is symmetrical between two lower beams 15 between two upper booms 4 There are two spring 6, two springs 6 are fixedly connected with upper boom 4 and lower beam 15 respectively for connection, can facilitate by two display boards 18 into Row is shunk, and improves the convenience used, two upper booms 4 one end close to each other and two lower beams 15 it is close to each other one end it is logical Cross pin shaft connection, the lower sidewall of upper boom 4 and the side wall upper part of lower beam 15 are symmetrically connected with two the first screwed pipes 16, and two the The first screw rod 5 is connected between one screwed pipe 16.

Working principle: in use, rotating the second screwed pipe 13 on bearing 10, the second screw rod 7 is in the second screwed pipe 13 Move up and down, the height of display board 18 be adjusted, improve use it is comprehensive, when text be laterally write when, pull two A display board 18 separates, and link block 17 moves in fixed link 3, and upper boom 4 and lower beam 15 rotate, and spring 6 is stretched, to exhibition Show that plate 18 is extended, take out extension rod 11 from casing 2, by the way that third screw rod 8 to be transferred in thread groove 9, makes extension rod 11 pairs of fixed links 3 extend, and improve use scope, are moved to suitable position, and the first screw rod 5 of rotation enters the first screwed pipe 16 It is interior, upper boom 4 and lower beam 15 are fixed, guarantee display board 18 stability, improve use it is comprehensive, when text is perpendicular To when writing, turn bolt 14, rotation fixed link 3 is vertical state, and display board 18 becomes vertically extending, facilitate carry out using, First screw rod 5 is stuck on bolt 14, prevents display board 18 from gliding, and improves stability.

The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model Within enclosing.

Claims (5)

1. a kind of Chinese literature, which is shown, uses rack, including bottom plate (1), which is characterized in that the upper end of the bottom plate (1) is equipped with The upper end of second screw rod (7), second screw rod (7) is connected with fixed link (3), and the upper rear portion of second screw rod (7) is inserted It is connected to the bolt (14) connecting with fixed link (3), is symmetrically socketed on the outer wall of the fixed link (3) there are two link block (17), The link block (17) is positively connected with display board (18), and the back side of the link block (17) is connected separately with by shaft Bar (4) and lower beam (15), two upper booms (4) one end close to each other and two lower beams (15) one end close to each other It is connected by pin shaft, the lower sidewall of the upper boom (4) and the side wall upper part of lower beam (15) are symmetrically connected with two the first spiral shells Line pipe (16) is connected with the first screw rod (5) between two first screwed pipes (16).

2. a kind of Chinese literature according to claim 1, which is shown, uses rack, which is characterized in that the bottom plate (1) Upper end two sides are symmetrically arranged with two fixed plates (12), and the side wall upper part of the fixed plate (12) is equipped with casing (2), described sleeve pipe (2) extension rod (11) are plugged in.

3. a kind of Chinese literature according to claim 1, which is shown, uses rack, which is characterized in that two upper booms (4) be symmetrically connected with two springs (6) between two lower beams (15), two springs (6) respectively with upper boom (4) it is fixedly connected with lower beam (15).

4. a kind of Chinese literature according to claim 1, which is shown, uses rack, which is characterized in that the bottom plate (1) Upper end is fixedly connected with bearing (10), and the upper end of the bearing (10) is connected with and matched second screwed pipe of the second screw rod (7) (13).

5. a kind of Chinese literature according to claim 2, which is shown, uses rack, which is characterized in that the fixed link (3) Both ends symmetrically open up there are two thread groove (9), the upper end of the extension rod (11) is equipped with and the matched third spiral shell of thread groove (9) Bar (8), the extension rod (11) match with link block (17).