CN214510343U

CN214510343U - Historical wall map expansion bracket

Info

Publication number: CN214510343U
Application number: CN202120304946.2U
Authority: CN
Inventors: 林亚青
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-02-03
Filing date: 2021-02-03
Publication date: 2021-10-29
Anticipated expiration: 2031-02-03

Abstract

The utility model discloses a historical wall map expansion bracket, the on-line screen storage device comprises a base, the top fixedly connected with bracing piece of base, the fixed surface of bracing piece is connected with first telescopic link, the other end fixedly connected with of first telescopic link turns to the piece, the bottom fixedly connected with second telescopic link that turns to the piece, the surperficial cover of bracing piece is equipped with the slide cartridge, the top of slide cartridge is provided with locking mechanism. The utility model discloses a bracing piece, first telescopic link, second telescopic link, turn to piece, slide cartridge and locking mechanism's cooperation, adjust axial and radial size respectively through first telescopic link and second telescopic link, simultaneously through rotatory fixture block, carry out the joint to slide cartridge, avoid slide cartridge to slide from top to bottom, improve device's stability, can adjust as required, application scope is wide to reach the effect of convenient regulation, solved the problem of the inconvenient regulation of current device.

Description

Historical wall map expansion bracket

Technical Field

The utility model relates to a teaching aid technical field specifically is a historical wall map expansion bracket.

Background

History is a subject for recording and explaining history events as a series of human activity processes, in the teaching process of a university history class, a teacher usually speaks in front of a blackboard, students do relevant records under the blackboard, and in the process, the teacher needs to repeat some historical knowledge repeatedly, but for a large amount of historical knowledge, the students need to remember with hard back, the boring things are easy to forget after a long time, and the stiff memory is full of brain and is not beneficial to the students to think, so the teaching is facilitated through graphs, the size of the conventional history wall-hung graph frame is fixed, the size cannot be adjusted according to needs, and the working efficiency of the teacher is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a historical wall map expansion bracket possesses the advantage of convenient regulation, has solved the problem of the inconvenient regulation of current device.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a history wall map expansion bracket, includes the base, the top fixedly connected with bracing piece of base, the first telescopic link of fixed surface of bracing piece, the other end fixedly connected with of first telescopic link turns to the piece, the bottom fixedly connected with second telescopic link that turns to the piece, the surface cover of bracing piece is equipped with a smooth section of thick bamboo, the top of smooth section of thick bamboo is provided with locking mechanism, turn to the positive fixedly connected with grip block of piece, one side of grip block is provided with buffer gear, one side swing joint of buffer gear has the connecting rod, one side fixedly connected with of buffer gear presss from both sides tight piece.

Preferably, the number of the first telescopic rods is four, and the number of the second telescopic rods is two.

Preferably, the locking mechanism comprises a groove and a clamping block, the groove is formed in the top of the sliding barrel, the clamping block is movably connected to the inner cavity of the groove, and the clamping block is L-shaped.

Preferably, the buffer mechanism comprises a spring and a buffer plate, one side of the clamping block is fixedly connected with the spring, and the other end of the spring is fixedly connected with the buffer plate.

Preferably, the number of the connecting rods is eight, and one ends of two adjacent connecting rods, which are close to each other, are movably connected.

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

1. the utility model discloses a bracing piece, first telescopic link, second telescopic link, turn to piece, slide cartridge and locking mechanism's cooperation, adjust axial and radial size respectively through first telescopic link and second telescopic link, simultaneously through rotatory fixture block, carry out the joint to slide cartridge, avoid slide cartridge to slide from top to bottom, improve device's stability, can adjust as required, application scope is wide to reach the effect of convenient regulation, solved the problem of the inconvenient regulation of current device.

2. The utility model discloses a shape of design fixture block is the L type, carries out the chucking through rotatory fixture block to the slide cartridge, through the cooperation of spring and buffer board, is convenient for carry out the centre gripping to the drawing, avoids the drawing to rock, improves the teaching quality.

Drawings

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

FIG. 2 is a right side view of the structure of the holding block of the present invention;

fig. 3 is a top view of the sliding barrel structure of the present invention.

In the figure: 1. a base; 2. a support bar; 3. a first telescopic rod; 4. a turning block; 5. a second telescopic rod; 6. a slide cylinder; 7. a locking mechanism; 71. a groove; 72. a clamping block; 8. a clamping block; 9. a buffer mechanism; 91. a spring; 92. a buffer plate; 10. a connecting rod; 11. and (5) clamping the blocks.

Detailed Description

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. 1-3, a telescopic frame for historical wall map comprises a base 1, a support rod 2 is fixedly connected to the top of the base 1, a first telescopic rod 3 is fixedly connected to the surface of the support rod 2, the number of the first telescopic rods 3 is four, the number of second telescopic rods 5 is two, the slide cylinder 6 is clamped by rotating the clamp block 72, a spring 91 and a buffer plate 92 are matched to facilitate clamping of a drawing, shaking of the drawing is avoided, teaching quality is improved, a turning block 4 is fixedly connected to the other end of the first telescopic rod 3, the second telescopic rod 5 is fixedly connected to the bottom of the turning block 4, the slide cylinder 6 is sleeved on the surface of the support rod 2, a locking mechanism 7 is arranged at the top of the slide cylinder 6, the locking mechanism 7 comprises a groove 71 and the clamp block 72, a groove 71 is arranged at the top of the slide cylinder 6, and the clamp block 72 is movably connected to the inner cavity of the groove 71, the clamping block 72 is L-shaped, the clamping block 8 is fixedly connected to the front surface of the steering block 4, a buffer mechanism 9 is arranged on one side of the clamping block 8, the buffer mechanism 9 comprises a spring 91 and a buffer plate 92, the spring 91 is fixedly connected to one side of the clamping block 8, the buffer plate 92 is fixedly connected to the other end of the spring 91, connecting rods 10 are movably connected to one side of the buffer mechanism 9, the number of the connecting rods 10 is eight, one ends, close to each other, of the two adjacent connecting rods 10 are movably connected, a clamping block 11 is fixedly connected to one side of the buffer mechanism 9, the axial size and the radial size are respectively adjusted through the first telescopic rod 3 and the second telescopic rod 5 through the matching of the supporting rod 2, the first telescopic rod 3, the second telescopic rod 5, the steering block 4, the sliding cylinder 6 and the locking mechanism 7, meanwhile, the sliding cylinder 6 is prevented from sliding up and down through the rotation of the clamping block 72, and the stability of the device is improved, can adjust as required, application scope is wide to reach the effect of convenient regulation, solved the inconvenient problem of adjusting of current device.

During the use, adjust axial and radial size respectively through first telescopic link 3 and second telescopic link 5, simultaneously through rotatory fixture block 72, carry out the joint to slide cartridge 6, avoid slide cartridge 6 to slide from top to bottom, improve the stability of device, then place picture paper between two clamp splice 11, upwards promote connecting rod 10, clamp splice 11 carries out the centre gripping to the drawing under spring 91's effect, can adjust as required, and application scope is wide to reach the effect of convenient regulation.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent. In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a historical wall map expansion bracket, includes base (1), its characterized in that: the utility model discloses a novel mechanical arm, including base (1), top fixedly connected with bracing piece (2) of base (1), the first telescopic link of fixed surface (3) of bracing piece (2), the other end fixedly connected with of first telescopic link (3) turns to piece (4), the bottom fixedly connected with second telescopic link (5) of turning to piece (4), the surface cover of bracing piece (2) is equipped with slide cartridge (6), the top of slide cartridge (6) is provided with locking mechanism (7), the positive fixedly connected with grip block (8) of turning to piece (4), one side of grip block (8) is provided with buffer gear (9), one side swing joint of buffer gear (9) has connecting rod (10), one side fixedly connected with of buffer gear (9) presss from both sides tight piece (11).

2. The historical wall map expansion bracket of claim 1, wherein: the number of the first telescopic rods (3) is four, and the number of the second telescopic rods (5) is two.

3. The historical wall map expansion bracket of claim 1, wherein: the locking mechanism (7) comprises a groove (71) and a clamping block (72), the groove (71) is formed in the top of the sliding barrel (6), the clamping block (72) is movably connected to an inner cavity of the groove (71), and the clamping block (72) is L-shaped.

4. The historical wall map expansion bracket of claim 1, wherein: the buffer mechanism (9) comprises a spring (91) and a buffer plate (92), the spring (91) is fixedly connected to one side of the clamping block (8), and the buffer plate (92) is fixedly connected to the other end of the spring (91).

5. The historical wall map expansion bracket of claim 1, wherein: the number of the connecting rods (10) is eight, and one ends of the two adjacent connecting rods (10) which are close to each other are movably connected.