CN216220709U

CN216220709U - Bookcase with expansion desktop

Info

Publication number: CN216220709U
Application number: CN202122215346.1U
Authority: CN
Inventors: 王海丽
Original assignee: Individual
Current assignee: Li Yali
Priority date: 2021-09-14
Filing date: 2021-09-14
Publication date: 2022-04-08
Anticipated expiration: 2031-09-14

Abstract

The utility model discloses a bookcase with an extended desktop, and relates to the technical field of bookcases, the bookcase comprises a first bookcase and a second bookcase, a supporting plate is arranged on one side of the first bookcase, through holes are formed in two sides of the supporting plate, connecting plates extending into the supporting plate are fixed on one sides of the first bookcase and the second bookcase, a groove is formed in one side of the first bookcase, a fixing plate is rotatably connected to the bottom of the groove, an extending plate is hinged to one end of the fixing plate, a fixing frame is fixed inside the groove, a rotating shaft is rotatably connected inside the fixing frame, and a stop block is fixed at the tail end of the rotating shaft. According to the utility model, the first bookcase and the second bookcase are respectively pulled open towards two sides, the connecting plate slides in the supporting plate, then the fixing plate is rotated to be positioned above the supporting plate, and then the extending plate is rotated to be unfolded to be used as a desk, so that the desk is convenient to unfold and store.

Description

Bookcase with expansion desktop

Technical Field

The utility model relates to the technical field of bookcases, in particular to a bookcase with an extended desktop.

Background

The bookcase is a cabinet specially used for storing books, newspapers, magazines and other books, is often used in combination with a desk, is separated from the desk independently, needs to occupy a large area when the desk is not used for a long time, is inconvenient to store and has a poor using effect.

Disclosure of Invention

The utility model aims to: in order to solve the problem that cabinet and desk separate alone, when the desk does not use for a long time, need occupy very big area, inconvenient accomodating, provide a book case with extension desktop.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a book case with extension desktop, includes first book case and second book case, one side of first book case is provided with the backup pad, and the both sides of backup pad all are provided with the opening, one side of first book case and second book case all is fixed with the connecting plate that extends to the backup pad inside, one side of first book case is provided with the recess, and the bottom of recess rotates and is connected with the fixed plate, and fixed plate one end articulates there is the extension board, the inside of recess is fixed with fixed frame, and the inside of fixed frame rotates and is connected with the pivot, and the end of pivot is fixed with the dog, the outside of pivot is fixed with the gear, the inside of fixed frame rotates through the round pin axle and is connected with the regulating plate, and the inner wall fixed connection of spring and fixed frame is passed through to one side of regulating plate.

Preferably, a latch which is engaged with the gear is fixed on one side of the adjusting plate.

Preferably, the distance between the rotating shaft and the top of the fixing plate is less than the height of the stop block.

Preferably, a gap is formed between the fixing frame and the top end inside the groove, and the height of the gap is greater than that of the stop block.

Preferably, the tail end of the connecting plate is fixed with a limiting plate in sliding connection with the supporting plate, and the height of the limiting plate is greater than that of the through opening.

Compared with the prior art, the utility model has the beneficial effects that:

1. the first bookcase and the second bookcase are respectively pulled open towards two sides, so that the connecting plate slides in the supporting plate, then the fixing plate is rotated to be positioned above the supporting plate, and then the extending plate is rotated to be unfolded to be used as a desk;

2. according to the utility model, through the rotation of the extension plate and the fixed plate, the fixed plate rotates in the groove, so that the fixed plate and the extension plate can be retracted into the groove, the stop block is rotated to drive the gear to stir the latch, the latch pushes the adjusting plate and the spring, the spring is reset, the latch is clamped into the gear, the stop block plays a role in limiting and fixing the fixed plate, and the support plate and the connecting plate can be used as a bookshelf.

Drawings

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

FIG. 2 is a partial schematic view of the present invention;

figure 3 is a schematic view of the structure of the fixed frame according to the utility model;

fig. 4 is a top view of a groove of the present invention.

In the figure: 1. a first bookcase; 2. a second bookcase; 3. a groove; 4. a fixing plate; 5. a fixing frame; 6. a rotating shaft; 7. a stopper; 8. a support plate; 9. a connecting plate; 10. a port; 11. a limiting plate; 12. a gear; 13. an adjusting plate; 14. a spring; 15. clamping teeth; 16. and (4) extending the board.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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 invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. The following describes an embodiment of the present invention based on its overall structure.

Referring to fig. 1-4, a bookcase with an extended desktop includes a first bookcase 1 and a second bookcase 2, a supporting plate 8 is disposed on one side of the first bookcase 1, through holes 10 are disposed on both sides of the supporting plate 8, a connecting plate 9 extending into the supporting plate 8 is fixed on one side of each of the first bookcase 1 and the second bookcase 2, a groove 3 is disposed on one side of the first bookcase 1, a fixing plate 4 is rotatably connected to the bottom of the groove 3, an extending plate 16 is hinged to one end of the fixing plate 4, a fixing frame 5 is fixed inside the groove 3, a rotating shaft 6 is rotatably connected to the fixing frame 5, a stop 7 is fixed to the end of the rotating shaft 6, a gear 12 is fixed to the outer side of the rotating shaft 6, an adjusting plate 13 is rotatably connected to the inside of the fixing frame 5 through a pin, and one side of the adjusting plate 13 is fixedly connected to the inner wall of the fixing frame 5 through a spring 14.

In this embodiment, the first bookcase 1 and the second bookcase 2 are respectively pulled open towards both sides, so that the connecting plate 9 slides inside the supporting plate 8, the supporting plate 8 and the connecting plate 9 are unfolded, the fixing plate 4 is rotated to be positioned above the supporting plate 8, and then the extending plate 16 is rotated to be unfolded to be used as a desk.

Please refer to fig. 3, a latch 15 engaged with the gear 12 is fixed on one side of the adjusting plate 13, and the latch 15 is latched in the rack of the gear 12 to fix the position of the stopper 7 and assist in fixing the position of the fixing plate 4.

Referring to fig. 2 and 4, the distance from the rotating shaft 6 to the top of the fixing plate 4 is less than the height of the stopper 7, so that the stopper 7 can limit the folded extending plate 16 and the fixing plate 4.

Referring to fig. 1, 2 and 4, a gap is formed between the fixing frame 5 and the top end of the inner portion of the groove 3, and the height of the gap is greater than that of the stopper 7, so that the stopper 7 can rotate around the rotating shaft 6.

Please refer to fig. 2, a limiting plate 11 slidably connected to the supporting plate 8 is fixed at the end of the connecting plate 9, and the height of the limiting plate 11 is greater than that of the through hole 10 to prevent the connecting plate 9 and the supporting plate 8 from separating.

The working principle is as follows: through pulling open first book case 1 and second book case 2 to both sides respectively, make connecting plate 9 slide in backup pad 8 is inside, backup pad 8 and connecting plate 9 expand, rotate dog 7, make dog 7 drive gear 12 stir latch 15, make latch 15 promote regulating plate 13 and spring 14, spring 14 resets, go into gear 12 with latch 15 card, leave the position of fixed plate 4 up to dog 7, rotation fixed plate 4, make fixed plate 4 be located the top of backup pad 8, then rotate extension plate 16 again, make extension plate 16 and backup pad 8 expand the back, can regard as the desk to use.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a book case with extension desktop, includes first book case (1) and second book case (2), its characterized in that: a supporting plate (8) is arranged at one side of the first bookcase (1), through holes (10) are arranged at both sides of the supporting plate (8), one side of each of the first bookcase (1) and the second bookcase (2) is fixedly provided with a connecting plate (9) extending into the supporting plate (8), one side of the first bookcase (1) is provided with a groove (3), the bottom of the groove (3) is rotatably connected with a fixed plate (4), one end of the fixed plate (4) is hinged with an extension plate (16), a fixed frame (5) is fixed inside the groove (3), a rotating shaft (6) is rotatably connected inside the fixed frame (5), a stop block (7) is fixed at the tail end of the rotating shaft (6), a gear (12) is fixed on the outer side of the rotating shaft (6), an adjusting plate (13) is rotatably connected inside the fixed frame (5) through a pin shaft, and one side of the adjusting plate (13) is fixedly connected with the inner wall of the fixed frame (5) through a spring (14).

2. The bookcase with the extended desktop according to claim 1, wherein: and a latch (15) meshed with the gear (12) is fixed on one side of the adjusting plate (13).

3. The bookcase with the extended desktop according to claim 1, wherein: the distance between the rotating shaft (6) and the top of the fixed plate (4) is less than the height of the stop block (7).

4. The bookcase with the extended desktop according to claim 1, wherein: a gap is formed between the fixing frame (5) and the top end inside the groove (3), and the height of the gap is greater than that of the stop block (7).

5. The bookcase with the extended desktop according to claim 1, wherein: the tail end of the connecting plate (9) is fixed with a limiting plate (11) in sliding connection with the supporting plate (8), and the height of the limiting plate (11) is larger than that of the through opening (10).