CN213962247U - Fixed automatic folding desk - Google Patents

Abstract

The utility model discloses a fixed automatic folding desk, including the wall body, seted up on the wall body and receive and release the groove, receive and release the inner wall in groove and install the table, install the lagging on the table, install the expansion plate on the lagging, and expansion plate and lagging sliding connection, the side-mounting of expansion plate has fixing device, and the rotary groove has been seted up to the bottom surface of expansion plate, installs the support in the rotary groove. The utility model has the advantages that: through setting up slide bar and jack and matching grafting, come to fix after the shrink in receiving and releasing the inslot that the table is firm, reach the effect of saving space, utilize elasticity to make the fixed block fixed nest plate and expansion plate mutually through setting up the spring, can make nest plate and expansion plate stable fixed, rotate through setting up the landing leg through the meshing of arc gear, stability when improving expansion plate and ground contact, thereby effectively improve the comfortable stability of table when using, and simple structure, and convenient operation.

Description

Fixed automatic folding desk

Technical Field

The utility model relates to a student's table field, especially a fixed automatic folding desk.

Background

The existing books rooms of some schools are provided with tables with reference books, when the tables are in an idle state, the size of the tables can affect other use spaces, and when a common folding desk is used, the folding desk is inconvenient to open or fold, so that a fixed automatic folding desk is provided to solve the technical problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the shortcoming of prior art, provide a fixed automatic folding desk.

The purpose of the utility model is realized through the following technical scheme: the utility model provides a fixed automatic folding desk, includes the wall body, has seted up on the wall body and has receive and release the groove, receives and releases the inner wall in groove and install the table, installs the lagging on the table, installs the expansion plate on the lagging, and expansion plate and lagging sliding connection, and the side-mounting of expansion plate has fixing device, and the rotary groove has been seted up to the bottom surface of expansion plate, installs the support in the rotary groove.

According to a further technical scheme, the fixing device is provided with a sleeve, the sleeve is installed on the expansion plate, a spring is installed in the sleeve, one end, far away from the expansion plate, of the spring is connected with a fixing block, the fixing block is connected with the sleeve in a sliding mode, and the fixing block is connected with the through hole in the sleeve plate in a clamping mode.

The support is provided with two supporting legs which are symmetrical relative to the telescopic plate, the two supporting legs are rotatably connected with the inner side wall of the telescopic plate, the end, close to each other, of the two supporting legs is provided with an arc-shaped gear, and the two arc-shaped gears are meshed with each other.

A further technical scheme is that a slide rod is installed in the table plate and is in sliding connection with the table plate, an insertion hole is formed in the inner wall of the retraction groove, and the slide rod is matched with the insertion hole.

A further technical scheme is that a sliding groove is formed in the table plate, a sliding block is installed in the sliding groove and is connected with the sliding groove in a sliding mode, and the sliding groove is connected with the sleeve plate in a clamping mode.

A further technical scheme is that a handle is arranged on the table plate, and anti-skid grains are arranged on the handle.

Compared with the prior art, the beneficial effects of the utility model are one of following at least:

1. the utility model discloses a set up slide bar and jack and cooperate and peg graft, come the firm fixing of table after the shrink to receive and release the inslot, reach the effect of saving space, utilize elasticity to make the fixed block fixed nest plate and expansion plate mutually through setting up the spring, can make nest plate and expansion plate stable fixed.

2. The utility model discloses a set up the landing leg and rotate through the meshing of arc gear, stability when improving expansion plate and ground contact to effectively improve the comfortable stability of table when using, and simple structure, convenient operation improves the convenience of operation through setting up handle student convenient to use.

Drawings

Fig. 1 is a perspective view of the overall structure of the present invention.

Fig. 2 is a schematic sectional view of the present invention.

Fig. 3 is a schematic sectional view of the fixing device of the present invention.

Fig. 4 is an enlarged schematic view of the structure a in fig. 2 according to the present invention.

Fig. 5 is an enlarged schematic view of the structure B in fig. 2 according to the present invention.

In the figure, 1-wall body, 2-retraction groove, 3-table plate, 4-sleeve plate, 5-fixing device, 501-sleeve pipe, 502-spring, 503-fixed block, 6-expansion plate, 7-bracket, 701-supporting leg, 702-arc gear, 8-sliding rod, 9-jack, 10-handle, 11-sliding groove, 12-sliding block and 13-rotating groove.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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.

In the present invention, the embodiments and the features of the embodiments may be combined with each other without conflict.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which the products of the present invention are conventionally placed in use, or the position or positional relationship which the skilled person conventionally understand, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the reference is made must have a specific position, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to an embodiment shown in fig. 1-5, a fixed type automatic folding desk comprises a wall 1, a retractable groove 2 is formed in the wall 1, a desk plate 3 is mounted on the inner wall of the retractable groove 2, a sleeve plate 4 is mounted on the desk plate 3, a retractable plate 6 is mounted on the sleeve plate 4, the retractable plate 6 is slidably connected with the sleeve plate 4, a fixing device 5 is mounted on the side surface of the retractable plate 6, a rotary groove 13 is formed in the bottom surface of the retractable plate 6, a support 7 is mounted in the rotary groove 13, the fixing device 5 is provided with a sleeve 501, the sleeve 501 is mounted on the retractable plate 6, a spring 502 is mounted in the sleeve 501, one end of the spring 502 far away from the retractable plate 6 is connected with a fixed block 503, the fixed block 503 is slidably connected with the sleeve 501, the fixed block 503 is clamped with a through hole on the sleeve plate 4, the sleeve plate 4 and the retractable plate 6 are fixed by setting the spring 502 to make the fixed block 503 by elasticity, the sleeve plate 4 and the retractable plate 6 be stably fixed, the support 7 is provided with two support legs 701 which are symmetrical about the telescopic plate 6, the two support legs 701 are rotatably connected with the inner side wall of the telescopic plate 6, the arc-shaped gears 702 are installed at the ends, close to each other, of the two support legs 701 and are meshed with each other, the support legs 701 are arranged to rotate through the meshing of the arc-shaped gears 702, the stability of the telescopic plate 6 when contacting with the ground is improved, and therefore the comfortable stability of the table plate 3 when in use is effectively improved, the structure is simple, the operation is convenient, a slide rod 8 is installed in the table plate 3, the slide rod 8 is slidably connected with the table plate 3, the inner wall of the retraction groove 2 is provided with an insertion hole 9, the slide rod 8 is matched with the insertion hole 9, the retracted table plate 3 is stably fixed in the retraction groove 2 through the matching of the slide rod 8 and the insertion hole 9, the space saving effect is achieved, the slide groove 11 is formed in the table plate 3, the slide block 12 is installed in the slide groove 11, and the slide block 12 is slidably connected with the slide groove 11, spout 11 and lagging 4 looks joints, install handle 10 on the table 3, seted up anti-skidding line on the handle 10, through setting up handle 10 student convenient to use, improve the convenience of operation.

The working process of the utility model is as follows: when the desk is used, firstly, the slide rod 8 is slid to release the locking state of the slide rod 8 and the jack 9, then the handle 10 is pulled to pull the desk plate 3 out of the accommodating groove 2, the sleeve plate 4 is folded out of the desk plate 3 by the slide block 12 in the slide chute 11, then the expansion plate 6 is pulled out from the bottom end of the sleeve plate 4, when the fixed block 503 reaches a specified position, the fixed block 503 is popped out from the sleeve 501 by the elasticity of the spring 502 and passes through the sleeve plate 4, so that the sleeve plate 4 is fixed with the expansion plate 6, the two support legs 701 are rotated to fix the expansion plate 6, the folding desk can be opened, and the folding desk can be folded in the reverse order when the folding desk is closed.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (6)

1. The utility model provides a fixed automatic folding desk, includes wall body (1), its characterized in that: seted up on wall body (1) and receive and release groove (2), table (3) are installed to the inner wall that receives and releases groove (2), install lagging (4) on table (3), install expansion plate (6) on lagging (4), just expansion plate (6) with lagging (4) sliding connection, the side-mounting of expansion plate (6) has fixing device (5), rotary groove (13) have been seted up to the bottom surface of expansion plate (6), install support (7) in rotary groove (13).

2. The fixed automatic folding desk of claim 1, wherein: fixing device (5) have sleeve pipe (501), install on expansion plate (6) sleeve pipe (501), install spring (502) in sleeve pipe (501), the one end that expansion plate (6) were kept away from in spring (502) is connected with fixed block (503), fixed block (503) with sleeve pipe (501) sliding connection, just fixed block (503) with through-hole looks joint on lagging (4).

3. The fixed automatic folding desk of claim 1, wherein: the support (7) have two about the landing leg (701) that expansion plate (6) are symmetrical, two landing leg (701) with the inside wall of expansion plate (6) rotates to be connected, two arc gear (702) is installed to the one end that landing leg (701) are close to each other, and two arc gear (702) mesh mutually.

4. The fixed automatic folding desk of claim 1, wherein: install slide bar (8) in table (3), slide bar (8) and table (3) sliding connection, jack (9) have been seted up to the inner wall of receiving and releasing groove (2), slide bar (8) and jack (9) looks adaptation.

5. The fixed automatic folding desk of claim 1, wherein: the desk plate is characterized in that a sliding groove (11) is formed in the desk plate (3), a sliding block (12) is installed in the sliding groove (11), the sliding block (12) is connected with the sliding groove (11) in a sliding mode, and the sliding groove (11) is connected with the sleeve plate (4) in a clamping mode.

6. The fixed automatic folding desk of claim 1, wherein: the desk plate (3) is provided with a handle (10), and the handle (10) is provided with anti-skid grains.

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