CN220842006U

CN220842006U - Writing board convenient to carry

Info

Publication number: CN220842006U
Application number: CN202322534026.1U
Authority: CN
Inventors: 林茂华
Original assignee: Sichuan Geely University
Current assignee: Sichuan Geely University
Priority date: 2023-09-16
Filing date: 2023-09-16
Publication date: 2024-04-26
Anticipated expiration: 2033-09-16

Abstract

The utility model discloses a portable writing board, which belongs to the technical field of writing boards and comprises a first backboard and a second backboard, wherein a book end is fixed on the upper part of the front side of the first backboard and the upper part of the front side of the second backboard, a first groove is formed in the rear side of the first backboard, a second groove is formed in the rear side of the second backboard, a plurality of first mounting plates are fixed on the inner side of the first groove through screws, a first connecting cylinder is fixed at one end of the first mounting plates, four clamping grooves are formed in the lower end of the first connecting cylinder, a connecting shaft is fixed on the inner side of the first connecting cylinder, and a plurality of second mounting plates are fixed on the inner side of the second groove through screws. The utility model can be automatically locked in the unfolding and folding state, solves the problem that the folding structure needs to be manually fixed when being unfolded, so that the unfolding is kept smooth, but the folding is manually released and the folding is inconvenient to use.

Description

Writing board convenient to carry

Technical Field

The utility model belongs to the technical field of writing boards, and particularly relates to a writing board convenient to carry.

Background

The writing board is a tool for helping us to keep paper smooth and enabling writing to be smoother, writing is convenient when standing, the existing writing board convenient to carry is often of a folding structure, the writing board is easy to carry when being used, but needs to be manually fixed when being unfolded by adopting the folding structure, so that the writing board is smooth when being unfolded, but needs to be manually released when being stored, and the writing board device convenient to carry is provided.

Disclosure of utility model

Aiming at the defects of the prior art, the utility model provides a writing board convenient to carry, which can be automatically locked in the unfolding and folding states so as to solve the problems that the existing writing board convenient to carry, which is proposed in the background art, is often in a folding structure, is unfolded when in use so as to be convenient to carry, but is manually fixed when being unfolded by adopting the folding structure so as to keep flat when being unfolded, and is manually released when being stored, so that the writing board is inconvenient to use.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a clipboard convenient to carry, includes first backplate and second backplate, the front side upper portion of first backplate and the front side upper portion of second backplate all are fixed with the book end, first recess has been seted up to the rear side of first backplate, the second recess has been seted up to the rear side of second backplate, the inboard of first recess has a plurality of first mounting panels through the screw fixation, the one end of first mounting panel is fixed with first connecting cylinder, four draw-in grooves have been seted up to the lower extreme of first connecting cylinder, the inboard of first connecting cylinder is fixed with the connecting axle, the inboard of second recess is fixed with a plurality of second mounting panels through the screw fixation, one side upper portion of second mounting panel is fixed with first sleeve, four latch teeth have been seted up to the top surface of second connecting cylinder, one side lower part of second is fixed with the second sleeve, the lower extreme through the screw fixation fixed mounting plate of connecting axle between second sleeve and the second connecting cylinder, the lower extreme through the spring abutment connecting axle.

As a preferable embodiment of the present utility model, the inner side of the second connecting cylinder is slidably connected to the outer side of the connecting shaft.

As a preferable technical scheme of the utility model, the outer side of the latch is in clamping fit with the inner side of the clamping groove.

As a preferable technical scheme of the utility model, the inner side of the second sleeve is in sliding connection with the outer side of the connecting shaft.

As a preferable embodiment of the present utility model, the top surface of the fixing pin abuts against the bottom surface of the second sleeve.

As a preferable technical scheme of the utility model, the first groove is positioned at the edge position of the first backboard.

As a preferable technical scheme of the utility model, the second groove is positioned at the edge position of the second backboard.

The utility model provides a writing board convenient to carry, which has the following beneficial effects:

1. This portable's clipboard, in expansion and folded condition, can lock automatically, solved and adopted folding structure when expanding, need manual fixed to keep leveling when making to expand, but need manual the dismantlement fixed when accomodating, the comparatively inconvenient problem of use.

2. This portable's clipboard, structural design is reasonable compact, convenient to use is swift.

Drawings

Fig. 1 is a schematic view of the whole structure of a portable writing board according to the present utility model.

Fig. 2 is a schematic diagram of a detachable structure of a portable writing board according to the present utility model.

Fig. 3 is an enlarged schematic view of the portable tablet of fig. 2 at a.

Fig. 4 is an enlarged schematic view of the portable tablet of fig. 3 at B of the present utility model.

In the figure: 1. a first back plate; 2. a second back plate; 3. a book holder; 4. a first groove; 5. a second groove; 6. a first mounting plate; 7. a first connecting cylinder; 8. a clamping groove; 9. a connecting shaft; 10. a first sleeve; 11. a loop bar; 12. a second connecting cylinder; 13. latch teeth; 14. a second sleeve; 15. a spring; 16. a fixing pin; 17. and a second mounting plate.

Detailed Description

Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.

In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1 to 4, the present utility model provides a technical solution: the writing board convenient to carry comprises a first backboard 1 and a second backboard 2, wherein a book end 3 is fixed on the upper part of the front side of the first backboard 1 and the upper part of the front side of the second backboard 2, a first groove 4 is formed in the rear side of the first backboard 1, a second groove 5 is formed in the rear side of the second backboard 2, a plurality of first mounting plates 6 are fixed on the inner side of the first groove 4 through screws, a first connecting cylinder 7 is fixed at one end of the first mounting plate 6, four clamping grooves 8 are formed in the lower end of the first connecting cylinder 7, a connecting shaft 9 is fixed on the inner side of the first connecting cylinder 7, a plurality of second mounting plates 17 are fixed on the inner side of the second groove 5 through screws, a first sleeve 10 is fixed on the upper part of one side of the second mounting plate 17, a sleeve 11 is slidably connected on the inner side of the first sleeve 10, a second connecting cylinder 12 is fixed on the upper end of the sleeve 11, four clamping teeth 13 are formed on the top surface of the second connecting cylinder 12, a second sleeve 14 is fixed on one side lower part of the second mounting plate 17 through screws, a second sleeve 14 is connected with the lower end of the second connecting cylinder 12 through a clamping shaft 15, the lower end of the second sleeve 9 is connected with the inner side of the second sleeve 9 through screws, and the upper surface of the second sleeve 14 is connected with the inner side of the second sleeve 9 in a sliding manner, and the upper end of the second sleeve 11 is connected with the inner side of the second sleeve 2 through the second sleeve 9 in a sliding manner, and the upper end of the sliding sleeve 11 is connected with the upper end of the fixing sleeve 12 through the fixing sleeve, and the upper end of the fixing sleeve 15 is in sliding sleeve, and the upper sleeve 12 is in sliding sleeve, and the lower sleeve 12 is fixedly connected with the upper sleeve and lower sleeve 12 is fixedly;

When the first backboard 1 and the second backboard 2 are unfolded, the second backboard 2 drives the second connecting cylinder 12 to rotate along the connecting shaft 9 on the first backboard 1 through the first sleeve 10 on the second mounting plate 17, in the process, due to the extrusion of the spring 15, the clamping teeth 13 on the second connecting cylinder 12 are clamped with the clamping grooves 8 on the first connecting cylinder 7 and then slip and are separated from the clamping grooves, until the first backboard 1 and the second backboard 2 cannot continue to rotate after being completely unfolded, the clamping teeth 13 are clamped and fixed inside the clamping grooves 8, and the clamping teeth 13 and the clamping grooves 8 are used for keeping the first backboard 1 and the second backboard 2 in an unfolded state after being completely unfolded without manual fixing.

Specific use and action of the embodiment: according to the utility model, when the first backboard 1 and the second backboard 2 are unfolded, the second backboard 2 drives the second connecting cylinder 12 to rotate along the connecting shaft 9 on the first backboard 1 through the first sleeve 10 on the second mounting plate 17, in the process, as the second connecting cylinder 12 is extruded by the spring 15, slipping is generated after the clamping teeth 13 on the second connecting cylinder 12 are clamped with the clamping grooves 8 on the first connecting cylinder 7 and are separated from the clamping grooves, until the first backboard 1 and the second backboard 2 cannot continue to rotate after being unfolded completely, the clamping teeth 13 are clamped and fixed in the clamping grooves 8, the first backboard 1 and the second backboard 2 are kept in an unfolded state through the clamping teeth 13 and the clamping grooves 8 after being unfolded completely, the first backboard 1 and the second backboard 2 do not need to be fixed manually, and when the first backboard 1 and the second backboard 2 are folded and are required to be folded, the clamping teeth 13 on the second connecting cylinder 12 are clamped with the clamping grooves 8 and are generated and separated from the clamping grooves, until the first backboard 1 and the second backboard 2 cannot rotate completely after being folded, and the first backboard 1 and the second backboard 2 do not need to be folded and kept in a folded state after being clamped and fixed in the first backboard 1 and the second backboard 2 are kept in a folded state after being folded completely.

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

1. The utility model provides a portable's clipboard, includes first backplate (1) and second backplate (2), its characterized in that: the book end fixing device is characterized in that the book end (3) is fixed on the upper part of the front side of the first backboard (1) and the upper part of the front side of the second backboard (2), a first groove (4) is formed in the rear side of the first backboard (1), a second groove (5) is formed in the rear side of the second backboard (2), a plurality of first mounting plates (6) are fixed on the inner side of the first groove (4) through screws, a first connecting cylinder (7) is fixed at one end of the first mounting plate (6), four clamping grooves (8) are formed in the lower end of the first connecting cylinder (7), a connecting shaft (9) is fixed on the inner side of the first connecting cylinder (7), a plurality of second mounting plates (17) are fixed on the inner side of the second groove (5) through screws, a first sleeve (10) is fixed on one side upper part of the second mounting plate, a sleeve rod (11) is connected on the inner side of the first sleeve (10) in a sliding mode, a second connecting cylinder (12) is fixed on the upper end of the first sleeve (11), a second connecting cylinder (12) is connected with the second sleeve (14) through screws, a second sleeve (14) is connected with the second sleeve (14) on the upper surface of the second sleeve (12), the lower end of the connecting shaft (9) is fixed with a fixing pin (16) through a screw.

2. A portable writing board according to claim 1, wherein: the inner side of the second connecting cylinder (12) is in sliding connection with the outer side of the connecting shaft (9).

3. A portable writing board according to claim 1, wherein: the outer side of the latch (13) is in clamping fit with the inner side of the clamping groove (8).

4. A portable writing board according to claim 1, wherein: the inner side of the second sleeve (14) is in sliding connection with the outer side of the connecting shaft (9).

5. A portable writing board according to claim 1, wherein: the top surface of the fixing pin (16) is abutted with the bottom surface of the second sleeve (14).

6. A portable writing board according to claim 1, wherein: the first groove (4) is positioned at the edge of the first backboard (1).

7. A portable writing board according to claim 1, wherein: the second groove (5) is positioned at the edge of the second backboard (2).