CN216708858U - Push-pull writing device and information interaction system - Google Patents

Abstract

The application discloses plug-type writing device includes: the fixed slide rail is provided with a first linear guide rail and a rail changing module; the upper side and the lower side of the first writing board are respectively provided with a first sliding assembly, and the first sliding assemblies are slidably arranged in the first linear guide rail and the rail transfer module; the second sliding assembly is arranged at the end part of the fixed sliding rail close to the side frame; the second writing boards are respectively positioned on two sides of the two first writing boards, the upper side edge and the lower side edge of each second writing board are respectively provided with a guide module, and a second linear guide rail is arranged on each guide module; the movable slide rail is used for driving the second writing board to move; and the elastic driving assembly is arranged on the first sliding assembly and can push the movable sliding rail to move. By means of the method and the device, during writing on the blackboard, each writing board can be located in the same plane, and when electronic files are shared, the display screen and the writing boards on the two sides can be located in the same plane, so that experience of a user is effectively improved.

Description

Push-pull writing device and information interaction system

Technical Field

The application relates to the technical field of writing devices, in particular to a push-pull type writing device and an information interaction system.

Background

The push-pull writing board is mostly applied to scenes such as classrooms, meeting rooms and the like and is used for writing contents necessary for teaching or workplace work. With the popularization of intelligent electronic equipment, nowadays, writing boards are mostly matched with electronic display screens to provide information interactive contents together.

Present, plug-type clipboard is behind the change state, the clipboard of both sides can't be with the electronic display screen parallel and level in the middle of, and display screen and clipboard are not in the coplanar, lead to the partial region of display screen to receive sheltering from of clipboard, very influence spectator's experience and feel.

SUMMERY OF THE UTILITY MODEL

Based on the problem of above-mentioned background art, this application provides a plug-type writing device and information interaction system, solves traditional plug-type clipboard use in-process, and each clipboard is not in the coplanar and display screen and clipboard are not in the problem of coplanar.

In a first aspect, the present application provides a push-pull writing device comprising:

the fixed slide rails are arranged in parallel, and a first linear guide rail and a rail changing module connected to the tail end of the first linear guide rail are arranged on the fixed slide rails;

the first writing board is provided with a first sliding assembly, and the first sliding assembly is arranged in the first linear guide rail and the rail transfer module in a sliding mode; the surfaces of the two sides of the first writing board are inclined planes;

the second sliding assembly is arranged on the fixed sliding rail;

the second writing board is provided with a guide module, the guide module is provided with a second linear guide rail, the second linear guide rail is perpendicular to the first linear guide rail, and the second sliding assembly is in sliding connection with the second linear guide rail;

the movable sliding rail is connected with the second sliding assembly in a sliding mode and can slide along the direction parallel to the first linear guide rail; a first guide piece is arranged on the movable slide rail, an inclined guide groove is formed in the guide module, and the first guide piece is connected with the guide groove in a sliding manner; and

and the elastic driving assembly is arranged on the first sliding assembly and used for pushing the movable sliding rail to move.

Optionally, the resilient drive assembly comprises:

the fixed body is connected to the first sliding assembly;

the bolt is arranged on the fixed body in a sliding mode, and a guide surface is arranged at the top end of the bolt;

the limiting plate is connected to one end, far away from the fixing body, of the bolt, and a pressing component is arranged on the limiting plate; and

the elastic piece is sleeved on the plug pin, one end of the elastic piece is abutted against the fixed body, and the other end of the elastic piece is abutted against the limiting plate;

the end part of the movable slide rail, which is far away from the side frame, is provided with a first limiting part, a limiting hole is formed in the first limiting part, and the bolt is inserted into the limiting hole; the position that fixed slide rail is close to first writing board is provided with the second guide, the second guide including the symmetry set up two inclined planes and with the plane that the inclined plane links to each other, the part of supporting can with inclined plane and plane butt.

Optionally, an end of the second guide extends into the movable slide rail, and the movable slide rail is slidably connected to the end of the second guide.

Optionally, the pressing component is a first roller, and the first roller is rotatably connected with the limiting plate.

Optionally, a second roller is arranged on the first guide member, and the second roller is slidably arranged in the guide groove.

Optionally, second limiting parts are respectively arranged at two ends of the sliding track of the first writing board on the fixed sliding rail, and are used for fixing the first writing board.

Optionally, the first writing board and the second writing board are respectively provided with two writing boards;

when the end parts of the two first writing boards provided with the inclined planes are abutted, the display surfaces of the two second writing boards are positioned in the same plane; when the first writing board slides to the track changing module, the second writing board is located behind the first writing board.

Optionally, the first sliding assembly is provided with two sets of sliding assemblies respectively on the upper and lower sides of the first writing board, and the elastic driving assembly is arranged on the first sliding assembly near one end of the second writing board.

Optionally, the guide module, the second sliding assembly and the first guide are respectively provided with two groups correspondingly.

In a second aspect, the present application provides an information interaction system, including:

a push-pull writing device according to any of the first aspect; and

and the display screen is arranged behind the first writing board.

The beneficial technical effects of this application are as follows:

according to the application, the movable sliding rail and the guide module are combined, the first writing board moves left and right, and meanwhile the second writing board moves back and forth in a linkage mode, so that the first writing board and the second writing board are automatically overlapped, the rail changing module controls the first writing board to move in the front and back direction, the first writing board is in a closed state, the front faces of the first writing board and the second writing board can be located in the same plane, board writing is facilitated, and blind areas are prevented from being formed; simultaneously first clipboard can be located the coplanar with the display screen under the open mode, prevents that first clipboard from causing the sheltering from to the display screen, avoids forming the blind area, has effectively improved user's experience and feels.

Drawings

In order to more clearly illustrate the technical solutions of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for a person skilled in the art to obtain other drawings based on these drawings without exceeding the protection scope of the present application.

FIG. 1 is a schematic diagram of the overall structure of a push-pull writing instrument according to an embodiment of the present application;

FIG. 2 is a schematic diagram of the back structure of the push-pull writing instrument;

FIG. 3 is a schematic view of the construction of the push-type writing instrument adjacent to the fixed track;

FIG. 4 is a schematic view of the connection between the second writing board, the guide module, the second sliding assembly, and the first guide member;

FIG. 5 is a schematic view of the connection relationship between the fixed slide rail and the rail-changing module;

FIG. 6 is a top view of FIG. 3;

FIG. 7 is a schematic diagram showing a variation of the push-pull writing apparatus (the dotted line indicates the position of the display screen);

FIG. 8 is a schematic view showing the connection relationship between the elastic driving unit and the moving rail;

FIG. 9 is a schematic view showing the positional relationship between the resilient drive assembly and the second guide;

fig. 10 is a schematic view showing a connection relationship between the second sliding member and the guide module.

In the figure, 11, fixed slide rails; 12. a side frame; 13. a first linear guide rail; 14. a track transfer module; 15. a second guide member; 151. a bevel; 152. a plane; 2. a first writing pad; 21. a first slide assembly; 3. a second writing board; 31. a second sliding assembly; 32. a guide module; 33. a second linear guide; 34. a guide groove; 4. moving the slide rail; 41. a first guide member; 42. a first limit piece; 421. a limiting hole; 5. a drive assembly; 51. a fixed body; 52. a bolt; 53. a limiting plate; 54. a pressing member; 55. an elastic member.

Detailed Description

The technical solutions of the present application will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, not all, of the embodiments of the present application. 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 application.

Most of the push-pull writing devices on the market at present comprise four independent writing boards, when two writing boards in the middle move to the middle, a display screen is shielded, and the four writing boards can be used for writing on a blackboard at the same time; when the middle two writing boards move towards two sides, the display screen is exposed, and electronic files can be shared. However, in the above device, the display screen is located behind the two middle writing boards, when the two writing boards are opened towards both sides, the plane where the display screen is located is lower than the plane where the two middle writing boards are located, so that when the audience under the table, which is not located in front of the display screen, watches, a blind field area is formed, and the areas on both sides of the display screen are shielded by the writing boards and cannot be seen, thereby having a great disadvantage.

Referring to fig. 1 and 2, a push-pull writing device disclosed in an embodiment of the present application includes an upper fixed slide rail 11 and a lower fixed slide rail 11 parallel to each other, two side frames 12 vertically connected between the ends of the two fixed slide rails 11, and a first writing board 2 and a second writing board 3 disposed in a square frame formed by connecting the fixed slide rails 11 and the side frames 12. Optionally, the first writing board 2 and the second writing board 3 are both provided with two, the two first writing boards 2 are located in the middle of the square frame, the two second writing boards 3 are located at two ends of the square frame, and it should be noted that the push-pull type writing device is of a symmetrical structure, and the two first writing boards 2 and the second writing boards 3 are both symmetrical relative to the same vertical plane.

The fixed slide rail 11 is provided with a first linear guide 13, and an end portion of the first linear guide 13 close to the side frame is referred to as a terminal of the first linear guide 13, and a rail transfer module 14 is connected to the terminal of the first linear guide 13.

Referring to fig. 3 and 4, the upper and lower sides of the first writing board 2 are respectively provided with a first sliding assembly 21, the first sliding assemblies 21 are slidably disposed in the first linear guide 13 and the track changing module 14 through pulleys, and the two first writing boards 2 can move towards or away from each other along the first linear guide 13 and the track changing module 14.

The end part of the fixed slide rail 11 close to the side frame 12 is connected with a second sliding assembly 31; the back of the second writing board 3 is connected with a guiding module 32, a second linear guide rail 33 is arranged on the guiding module 32, and the second sliding component 31 is connected with the second linear guide rail 33 in a sliding manner through a pulley. The second linear guide 33 is perpendicular to the first linear guide 13 so that the second writing board 3 can slide back and forth relative to the fixed slide rail 11.

A movable slide rail 4 is further disposed behind the second writing board 3, the movable slide rail 4 is slidably disposed on the second sliding assembly 31 or the fixed slide rail 11, and can reciprocate along a direction parallel to the first linear guide rail 13, in an optional implementation manner of this embodiment, a pulley is disposed on the second sliding assembly 31, and the movable slide rail 4 is slidably connected to the pulley of the second sliding assembly 31.

The guide module 32 is provided with an inclined guide groove 34; the movable slide rail 4 is further provided with a first guide 41, and the first guide 41 is slidably disposed in the guide groove 34. When the movable slide rail 4 moves, the first guide member 41 slides relative to the guide groove 34, and the first guide member 41 exerts a rearward component on the side wall of the guide groove 34, thereby pulling the second writing board 3 to move rearward.

Referring to fig. 3, the first sliding assembly 21 is provided with an elastic driving assembly 5 for driving the movable sliding rail 4 to reciprocate, thereby controlling the second writing board 3 to move in the front-rear direction.

Referring to fig. 5 and 6, it should be understood that the track-changing module 14 in the present application is an arc-shaped track smoothly connected to the first linear guide 13 and extends toward the rear of the second writing board 3, and after the pulley on the first sliding assembly 21 slides into the track-changing module 14, the track-changing module 14 moves backward so that the first writing board 2 moves backward along the track-changing module 14 when moving linearly along the first linear guide 13 to a position close to the side frame.

It should also be noted that both the left and right side surfaces of the first writing plate 2 are inclined surfaces so that the second writing plate 3 can move backward relative to the first writing plate 2 when the first writing plate 2 is pushed and pulled left and right.

Referring to fig. 7, the push-pull writing device in the embodiment of the present application is combined with a display screen to explain the action process of the push-pull writing device and the relative position relationship between the push-pull writing device and the display screen in the process.

When the first writing boards 2 are in a closed state, the two first writing boards 2 are positioned in front of the display screen to shield the display screen, and the front surfaces of the first writing boards 2 and the second writing boards 3 are positioned in the same plane. When the first writing board 2 needs to be opened, the first writing board 2 is pushed towards the side frame 12, the first sliding component 21 slides along the first linear guide rail 13, in the process, the elastic driving component 5 pushes the movable sliding rail 4 to slide towards the side frame 12, the first guiding component 41 follows the movable sliding rail 4 to move together, and pulls the guide module 32 and the second writing board 3 to move backward along the second linear guide 33, when the second writing board 3 moves to the maximum stroke position, the elastic driving component 5 is separated from the movable sliding rail 4, the first writing board 2 continues to slide along the first linear guide rail 13 until the first sliding component 21 moves to the position of the track changing module 14, and starting to move towards the oblique rear direction under the guiding action of the track transfer module 14 until the first writing board 2 moves to the maximum stroke position, and the front surface of the first writing board 2 is flush with the front surface of the display screen.

It will be appreciated that the closing of the first writing plate 2 is a reverse movement as described above.

In the application, by combining the movable sliding rail 4 with the guide module 32, the first writing board 2 moves left and right and simultaneously the second writing board 3 moves back and forth in a linkage manner, so that the first writing board 2 and the second writing board 3 are automatically overlapped, and the rail changing module 14 controls the first writing board 2 to move in the front and back direction, so that the front surfaces of the four writing boards can be positioned in the same plane when the first writing board 2 is in a closed state, the writing on the board is facilitated, and the formation of a blind area is avoided; simultaneously first board 2 of writing can be located the coplanar with the display screen under the open mode, prevents that first board 2 of writing from causing the sheltering from to the display screen, avoids forming the blind area, has effectively improved user's experience and has felt.

Referring to fig. 8 and 9, as an alternative solution to the embodiment of the present application, the elastic driving assembly 5 includes a fixing body 51, a latch 52, a limiting plate 53, a pressing component 54, and an elastic component 55.

The fixed body 51 is connected to the first sliding component 21, and a hollow cavity is arranged in the fixed body 51. The latch 52 is slidably disposed on the fixing body 51, and one end of the latch 52 is located in the fixing body 51, and the other end of the latch extends out from the sidewall of the fixing body 51. The limiting plate 53 is fixedly connected to one end of the bolt 52 far away from the fixing body 51, the cross section of the limiting plate 53 is L-shaped, the elastic element 55 is sleeved on the bolt 52, the elastic element 55 is located between the limiting plate 53 and the fixing body 51, one end of the elastic element 55 is abutted to the fixing body 51, and the other end of the elastic element 55 is abutted to the limiting plate 53. Under normal conditions, the latch 52 is always extended outward under the action of the elastic member 55. It should be understood that the elastic member 55 may be a spring, a disc spring or other cylindrical structure made of elastic material. The pressing member 54 is provided on the stopper plate 53, is located on one side of the plug 52, and is not in the same horizontal plane as the plug 52.

The end of the movable slide rail 4 away from the side frame 12 is provided with a first limiting member 42, the first limiting member 42 is provided with a limiting hole 421 adapted to the bolt 52, and the top end of the bolt 52 can be inserted into the limiting hole 421. The top end of the plug 52 is provided with a guiding surface, wherein the guiding surface may be a conical surface, a hemispherical surface, or the like, which guides the plug 52 to enter or fall from the limiting hole 421.

The fixed slide rail 11 is provided with second guiding elements 15 at positions close to the first writing board 2, and the second guiding elements 15 are symmetrically provided with two inclined surfaces 151 and a plane 152 connected between the two inclined surfaces 151.

When the first writing board 2 is in the closed state, the latch 52 is located in the limiting hole 421. When the first writing board 2 needs to be opened, the first writing board 2 is pushed, the first sliding assembly 21 slides along the first linear guide rail 13, and the bolt 52 pushes the movable sliding rail 4 to move, so that the second writing board 3 is driven to move backwards. When the second writing board 3 moves to the vicinity of the maximum stroke position, the first limiting member 42 abuts against one of the inclined surfaces 151 of the second guiding member 15, the first limiting member 42 moves along the inclined surface 151, the limiting plate 53 moves towards one side of the fixed body 51 during the movement, the elastic member 55 is compressed, the tapered surface at the end of the bolt 52 moves towards one side of the fixed body 51 against the sidewall of the limiting hole 421, and when the bolt 52 disengages from the limiting hole 421, the movable slide rail 4 stops moving. It can be understood that, when it is necessary to close the first writing board 2, the first retaining member 42 moves against the inclined surface 151 at the other end of the second guiding member 15, passes through the plane 152, and gradually enters the retaining hole 421 under the guiding action of the conical surface at the end of the bolt 52, so as to reset the movable sliding rail 4. The synchronous movement of the second writing board 3 and the first writing board 2 is achieved through the above-described process.

As an optional technical solution in the embodiment of the present application, a pulley is disposed at an end of the second guide 15, the pulley at the end of the second guide 15 is located in the movable sliding rail 4, and the movable sliding rail 4 is slidably connected to the second guide 15 through the pulley. The second guide 15 can also support the movement of the movable slide rail 4 while realizing the movement of the second writing board 3 by matching with the elastic driving component 5, thereby improving the stability of the movement of the movable slide rail 4.

Referring to fig. 8, as an optional technical solution in the embodiment of the present application, the pressing component 54 is a first roller, and the first roller is rotatably connected to the limiting plate 53. When the first roller abuts against the inclined surface 151 of the second guide member 15, the first roller rolls along the inclined surface 151, and the friction between the first roller and the inclined surface 151 is reduced by the form of roller friction, so that the movement process of the first writing board 2 is smoother.

Referring to fig. 4, as an alternative solution to the embodiment of the present application, a second roller is disposed at an end of the first guiding element 41, and the second roller is slidably disposed in the guiding groove 34. When the movable slide rail 4 moves, the second roller rolls along one of the side walls of the guide groove 34, and the friction force between the second roller and the guide groove 34 is reduced through the rolling friction mode, so that the moving process of the second writing board 3 is smoother.

As an optional technical solution in the embodiment of the present application, the first linear guide rails 13 are arranged in two groups side by side, the first sliding assemblies 21 are respectively arranged in two groups on the upper and lower side edges of the first writing board 2, and each group of the first sliding assemblies 21 is respectively arranged in the corresponding first linear guide rail 13 in a sliding manner. The resilient drive assembly 5 is disposed on the first slider assembly 21 adjacent one end of the second writing board 3.

It should be noted that, in the present application, the upper and lower fixed slide rails 11 and the first slide assembly 21 may be identical in structure, and at this time, the two fixed slide rails 11 and the first slide assembly 21 are completely synchronized. However, the above situation requires high precision in product processing. In other possible implementation forms of this application embodiment, can be with in two fixed slide rails 11, one of them sets up to the main slide rail, another is the assistance slide rail, in the main slide rail, the pulley of first slip subassembly 21 and the surface of first linear guide 13 closely laminate, roll along first linear guide 13, play main guide effect, and in the assistance slide rail, the pulley of first slip subassembly 21 and first linear guide 13 straight line allow to have the clearance, play supplementary guide effect to the slip process of first writing board 2, avoid first writing board 2 to rock by a wide margin.

As an optional technical solution in the embodiment of the present application, two sets of the guide modules 32, the second sliding assemblies 31, and the first guide members 41 are respectively arranged, and correspond to each other. Two sets of guide modules 32, second sliding assembly 31 and first guide 41 are provided, so that the stability of the sliding process of second writing board 3 can be effectively ensured.

Referring to fig. 10, as an alternative solution of the embodiment of the present application, the second sliding assembly 31 has three pulleys, centers of the three pulleys are connected end to form a triangular structure, and outer peripheral surfaces of the three pulleys are respectively abutted to the second linear guide 33. Three pulleys are provided so that three support points are provided between the second sliding member 31 and the second linear guide 33, thereby enhancing the stability of the movement of the second sliding member 31.

As an optional technical solution in the embodiment of the present application, two ends of the fixed slide rail 11 located on the sliding track of the first writing board 2 are respectively provided with a second limiting part, the second limiting part may adopt a magnet or other component having an adsorption effect, and correspondingly, a component adapted to the second limiting part may be disposed on the first sliding assembly 21, when the first writing board 2 moves to two ends of the sliding track, the second limiting part fixes the first writing board 2, so as to prevent the first writing board 2 from shaking due to the action, and enhance the stability of the first writing board 2 in the open and closed states.

The embodiment of the application also discloses an information interaction system which comprises the push-pull writing device and a display screen in any embodiment, wherein the display screen is positioned behind the first writing board 2, and the first writing board 2 and the second writing board 3 are positioned in the same plane when the first writing board 2 is in a closed state, so that the writing operation can be performed; when the first writing board 2 is opened, the front surface of the display screen and the front surfaces of the first writing boards 2 on the two sides of the display screen are positioned in the same plane, so that the electronic file can be demonstrated.

The embodiments of the present application are described in detail above. The principle and the implementation of the present application are explained herein by applying specific examples, and the above description of the embodiments is only used to help understand the technical solutions and the core ideas of the present application. Therefore, a person skilled in the art should, according to the idea of the present application, change or modify the embodiments and applications of the present application based on the changes or modifications of the present application. In view of the above, the description should not be taken as limiting the application.

Claims (10)

1. A push-pull writing device, comprising:

the device comprises fixed slide rails (11) which are arranged in parallel, wherein a first linear guide rail (13) and a rail changing module (14) connected to the tail end of the first linear guide rail (13) are arranged on the fixed slide rails (11);

the first writing board (2) is provided with a first sliding assembly (21), and the first sliding assembly (21) is arranged in the first linear guide rail (13) and the rail transfer module (14) in a sliding mode; the surfaces of two sides of the first writing board (2) are inclined planes;

the second sliding assembly (31) is arranged on the fixed sliding rail;

the writing board comprises a second writing board (3), a guide module (32) is arranged on the second writing board (3), a second linear guide rail (33) is arranged on the guide module (32), the second linear guide rail (33) is perpendicular to the first linear guide rail (13), and the second sliding assembly (31) is in sliding connection with the second linear guide rail (33);

the movable sliding rail (4) is connected with the second sliding assembly (31) in a sliding mode and can slide along the direction parallel to the first linear guide rail (13); a first guide piece (41) is arranged on the movable sliding rail (4), an inclined guide groove (34) is formed in the guide module (32), and the first guide piece (41) is connected with the guide groove (34) in a sliding mode; and

and the elastic driving assembly (5) is arranged on the first sliding assembly (21) and is used for pushing the movable sliding rail (4) to move.

2. A push-pull writing device according to claim 1, wherein the resilient drive assembly (5) comprises:

a fixed body (51) connected to the first sliding member (21);

the bolt (52) is arranged on the fixed body (51) in a sliding mode, and a guide surface is arranged at the top end of the bolt (52);

the limiting plate (53) is connected to one end, away from the fixed body (51), of the bolt (52), and a pressing component (54) is arranged on the limiting plate (53); and

the elastic piece is sleeved on the bolt (52), one end of the elastic piece is abutted against the fixed body (51), and the other end of the elastic piece is abutted against the limiting plate (53);

a first limiting piece (42) is arranged at the end part, far away from the side frame (12), of the movable slide rail (4), a limiting hole (421) is formed in the first limiting piece (42), and the bolt (52) is inserted into the limiting hole (421); the position that fixed slide rail (11) is close to first clipboard (2) is provided with second guide (15), second guide (15) including two inclined planes (151) that the symmetry set up and with plane (152) that inclined plane (151) link to each other, support pressing means (54) can with inclined plane (151) and plane (152) butt.

3. A push-pull writing device according to claim 2, characterized in that the end of the second guide (15) extends into the moving slide (4), the moving slide (4) being slidably connected to the end of the second guide (15).

4. A push-pull writing device according to claim 2, wherein the pressing part (54) is a first roller, which is rotatably connected with the stop plate (53).

5. A push-pull writing device according to claim 1, wherein the first guide (41) is provided with a second roller which is slidably arranged in the guide groove (34).

6. A push-pull writing device according to claim 1, wherein a second stop member is arranged on the fixed slide rail (11) at each end of the sliding track of the first writing board (2) for fixing the first writing board (2).

7. A push-pull writing instrument according to any of claims 1-6, wherein there are two each of the first writing pad and the second writing pad;

when the end parts of the two first writing boards provided with the inclined planes are abutted, the display surfaces of the two second writing boards are positioned in the same plane; when the first writing board slides to the track changing module, the second writing board is located behind the first writing board.

8. A push-pull writing instrument according to claim 7, wherein the first sliding assembly (21) is provided with two sets on the upper and lower sides of the first writing board (2), respectively, and the resilient driving assembly (5) is provided on the first sliding assembly (21) near one end of the second writing board (3).

9. A push-pull writing device according to claim 7, wherein there are two sets of guide modules (32), second sliding assemblies (31) and first guides (41) respectively.

10. An information interaction system, comprising:

a push-pull writing instrument according to any one of claims 1-9; and

and the display screen is arranged behind the first writing board (2).

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