CN220121360U - Literature contrast explanation board - Google Patents

Abstract

The utility model relates to the technical field of explanation boards, in particular to a literature comparison explanation board, which comprises a bracket and a guide frame arranged at the top end of the bracket, wherein the extending direction of the guide frame is perpendicular to the extending direction of the bracket; the two sides of the guide frame are both connected with the plates in a sliding way, and the guide frame is also provided with the two groups of direction changing components, so that the two groups of display objects can be respectively fixed through the two groups of plates, and the visual contrast explanation of an observer is facilitated, and secondly, the direction changing components are designed, so that the display objects can be adjusted according to the display angle requirements of the display objects in actual use, and the applicability is stronger; secondly, when the two plates are adjusted, the distance between the two plates can be adjusted, and in the overturning process, the two plates need to synchronously deviate from movement, so that collision can not happen in sequence, the whole structure is ingenious, and the operation difficulty is low.

Description

Literature contrast explanation board

Technical Field

The utility model relates to the technical field of explanation boards, in particular to a literature contrast explanation board.

Background

The teaching board is a common tool for displaying information, is mainly used in a classroom and an office, and in the teaching of Chinese language literature, a teacher needs to analyze the knowledge points between the character lines of the Chinese language literature in detail for students, so that the teacher needs to use the teaching board to explain the Chinese language literature in more detail for the students.

When the explanation board is in actual use, considering the convenience of contrast, can set up two sets of plates relatively and be used for fixed different show thing, like the chinese language literature contrast explanation board that prior art chinese patent publication No. CN216450241U "disclosed, although can realize folding the accomodating of two sets of plates in the above-mentioned technical scheme to save space.

However, in actual use, the angle of each plate is fixed, so that the vertical and horizontal angles cannot be switched, and the plate cannot be suitable for a display object with a horizontal placing requirement.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides a literature contrast explanation board.

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

the literature comparison explanation board comprises a bracket and a guide frame arranged at the top end of the bracket, wherein the extending direction of the guide frame is perpendicular to the extending direction of the bracket;

the two sides of the guide frame are both connected with plate members in a sliding manner, and the guide frame is also provided with two groups of direction changing assemblies which correspond to the two groups of plate members and are used for forcing the plate members to rotate;

and the top of the bracket is also provided with a driving mechanism which is used for synchronously driving the two groups of plates to move.

Further, guide groove A and guide groove B have been seted up respectively to the top and the back end of leading truck, wherein, the cross section of leading truck is U type structure, and still is provided with the backstop portion of inwards buckling on the two free ends of this U type structure.

Further, a rotating shaft is fixedly arranged at the back end of the plate, a sliding block is sleeved and rotated on the outer side of the rotating shaft, the sliding block slides in the guide frame, and the shaft end of the rotating shaft is slidably connected in the guide groove B.

Further, the direction changing assembly comprises a direction changing frame arranged at the back end of the guide frame through a supporting rod, an eccentric rod is fixedly arranged at one end of the rotating shaft, and a guide wheel positioned in the direction changing frame is rotatably connected to the free end of the eccentric rod.

Further, the driving mechanism comprises a rotating plate which is pin-connected to the top of the support, two free ends of the rotating plate are both pin-connected with connecting rods, the free ends of the connecting rods are pin-connected with the sliding blocks, and the connecting rods and the pin shafts of the sliding blocks slide in the guide grooves A.

Further, the top of the rotating plate is also in threaded connection with a locking screw, and the bottom end of the locking screw is used for being in close contact with the top of the bracket.

Furthermore, a storage box is further installed in the middle of the support, and the storage box is fixed with the support through a clamp.

The literature contrast explanation board provided by the utility model has the beneficial effects that:

according to the utility model, two groups of display objects can be respectively fixed through the two groups of plates, so that visual comparison explanation is conveniently carried out on an observer, and secondly, as the direction changing assembly is designed, the direction changing assembly can be adjusted according to the display angle requirement of the display objects in actual use, and the applicability is stronger;

secondly, when the two plates are adjusted, the distance between the two plates can be adjusted, and in the overturning process, the two plates need to synchronously deviate from movement, so that collision can not happen in sequence, the whole structure is ingenious, and the operation difficulty is low.

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a rear view of the present utility model;

FIG. 3 is a schematic diagram of a driving mechanism according to the present utility model;

fig. 4 is an enlarged schematic view of the area a in fig. 3.

In the figure: 1. a bracket; 2. a guide frame; 21. a guide groove A; 22. a guide groove B; 3. a plate member; 31. a rotating shaft; 32. a slide block; 4. a direction changing component; 41. a turning frame; 42. an eccentric rod; 43. a guide wheel; 5. a driving mechanism; 51. a rotating plate; 52. a connecting rod; 53. a locking screw; 6. and a storage box.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-4, a literature comparison explanation board comprises a bracket 1 and a guide frame 2 arranged at the top end of the bracket 1, wherein the extending direction of the guide frame 2 is perpendicular to the extending direction of the bracket 1;

wherein, the two sides of the guide frame 2 are both connected with the plate 3 in a sliding way, the guide frame 2 is also provided with two groups of direction changing components 4, and the two groups of direction changing components 4 correspond to the two groups of plate 3 and are used for forcing the plate 3 to rotate;

a driving mechanism 5 is also mounted on the top of the bracket 1, and the driving mechanism 5 is used for synchronously driving the two groups of plates 3 to move.

Furthermore, in the present utility model, the top and the back end of the guide frame 2 are respectively provided with a guide groove a21 and a guide groove B22, wherein the cross section of the guide frame 2 is in a U-shaped structure, and two free ends of the U-shaped structure are further provided with stop parts bent inwards.

Furthermore, a rotating shaft 31 is fixedly mounted at the back end of the plate 3, a sliding block 32 is sleeved and rotated on the outer side of the rotating shaft 31, and in the embodiment of the utility model, the plate 3 is driven to rotate by the rotation of the rotating shaft 31, so as to achieve a vertical or transverse fixing state of the plate 3, the sliding block 32 slides in the guide frame 2, wherein the outer side surface of the sliding block 32 contacts with the inner side surface of the stop part, so as to prevent the sliding block 32 from sliding out from the inner side of the guide frame 2, and meanwhile, the shaft end of the rotating shaft 31 is slidingly connected in the guide groove B22.

Still further, in the embodiment of the present utility model, the direction changing assembly 4 includes a direction changing frame 41 mounted at the back end of the guide frame 2 through a supporting rod, the direction changing frame 41 has a substantially Z-shaped structure, which has a highest portion and a lowest portion, one end of the rotating shaft 31 is fixedly mounted with an eccentric rod 42, and a free end of the eccentric rod 42 is rotatably connected with a guide wheel 43 located in the direction changing frame 41, specifically, when the guide wheel 43 is located at the highest portion, the center of the guide wheel 43 and the center of the rotating shaft 31 are located at the same height, so that when the eccentric rod 42 slides along the lowest portion to the highest portion, it can drive the plate 3 to rotate ninety degrees, so as to change the vertical or lateral state of the plate 3.

On the basis of the above embodiment, the driving mechanism 5 of the present utility model includes the rotating plate 51 pinned to the top of the bracket 1, the two free ends of the rotating plate 51 are pinned with the connecting rod 52, the free ends of the connecting rod 52 are pinned with the sliding block 32, wherein the connecting rod 52 and the pin shaft of the sliding block 32 slide in the guide slot a 21.

In specific work, the rotating plate 51 is rotated to drive the two groups of connecting rods 52 to synchronously move, if the connecting rods 52 drive the sliding blocks 32 to move towards the center of the bracket 1, the two groups of plate 3 are close to each other, so that the comparison of the exhibited objects on the two groups of plate 3 can be conveniently carried out more closely;

on the contrary, when the rotating plate 51 is rotated in the other direction, the two groups of sliding blocks 32 are moved away from each other, and under the action of the direction changing frame 41, the two groups of plate 3 rotate in the moving process, so that the placing angle of the plate 3 can be used for carrying out contrast explanation on the display object with the transverse display requirement conveniently, and different requirements of users are met.

Furthermore, in order to facilitate the fixing of the counter plate 51 to maintain the relative positions of the two sets of plate members 3, in the embodiment of the present utility model, a locking screw 53 is further screwed to the top of the counter plate 51, and the bottom end of the locking screw 53 is used to closely contact with the top of the bracket 1.

In other words, in the present utility model, a storage box 6 is further installed in the middle of the support 1, the storage box 6 is fixed to the support 1 through a clip, and a user can place some tools or the like in the storage box 6, so as to improve the overall storage capacity of the explanation board.

In addition, the bracket 1 in the utility model can specifically comprise a telescopic rod which is provided with a self-locking structure, and the height of the two groups of plate members 3 can be conveniently adjusted through the design of the telescopic rod so as to meet the sight lines of different heights in the actual use process;

the bottom of the telescopic rod is also provided with a base, in the embodiment of the utility model, the base is arranged in a cross shape, and particularly, the base can be formed by welding square pipes, when the portability of the whole device is considered, a plurality of universal wheels can be added at the bottom of the base, obviously, the universal wheels should have a brake structure, and the means are the prior art and are not repeated herein.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (7)

1. The utility model provides a literature contrast explanation board, includes support (1) and installs in leading truck (2) on this support (1) top, its characterized in that: the extending direction of the guide frame (2) is perpendicular to the extending direction of the bracket (1);

the two sides of the guide frame (2) are both connected with the plate (3) in a sliding way, two groups of direction changing assemblies (4) are further installed on the guide frame (2), and the two groups of direction changing assemblies (4) correspond to the two groups of plate (3) and are used for forcing the plate (3) to rotate;

the top of the bracket (1) is also provided with a driving mechanism (5), and the driving mechanism (5) is used for synchronously driving the two groups of plates (3) to move.

2. A literature control teaching board according to claim 1, wherein: guide groove A (21) and guide groove B (22) have been seted up respectively to the top and the back end of leading truck (2), wherein, the cross section of leading truck (2) is U type structure, and still is provided with the backstop portion of inwards buckling on the two free ends of this U type structure.

3. A literature contrast lecture board according to claim 2, characterized in that: the back end of the plate (3) is fixedly provided with a rotating shaft (31), the outer side of the rotating shaft (31) is sleeved with and rotated with a sliding block (32), the sliding block (32) slides in the guide frame (2), and the shaft end of the rotating shaft (31) is slidably connected in the guide groove B (22).

4. A literature contrast lecture board according to claim 3, characterized in that: the direction changing assembly (4) comprises a direction changing frame (41) arranged at the back end of the guide frame (2) through a stay bar, an eccentric rod (42) is fixedly arranged at one end of the rotating shaft (31), and a guide wheel (43) positioned in the direction changing frame (41) is rotatably connected to the free end of the eccentric rod (42).

5. A literature contrast lecture board according to claim 3, characterized in that: the driving mechanism (5) comprises a rotating plate (51) which is pin-connected to the top of the support (1), two free ends of the rotating plate (51) are pin-connected with a connecting rod (52), the free ends of the connecting rod (52) are pin-connected with the sliding block (32), and the pin shafts of the connecting rod (52) and the sliding block (32) slide in the guide groove A (21).

6. A literature control teaching board according to claim 5, wherein: the top of the rotating plate (51) is also in threaded connection with a locking screw rod (53), and the bottom end of the locking screw rod (53) is used for being in close contact with the top of the bracket (1).

7. A literature control teaching board according to claim 1, wherein: the middle part of the bracket (1) is also provided with a storage box (6), and the storage box (6) is fixed with the bracket (1) through a clamp.