CN207236444U - A kind of Multifunction expanding desk - Google Patents

Abstract

The utility model discloses a multifunctional telescopic desk, which comprises a U-shaped support plate, four first expansion rods are welded on the four corners of the lower surface of the U-shaped support plate, and two first telescopic rods are welded on both sides of the upper surface of the U-shaped support plate. A sliding track, the upper surface of the U-shaped support plate is provided with a telescopic plate, and the two sides of one end of the telescopic plate are respectively provided with rotating guide wheels, and the two rotating guide wheels are respectively connected to the two sliding tracks in rotation, and the telescopic plate There are two sliding grooves on the lower surface of the desk. The height of the desk can be adjusted through the expansion and contraction of the first telescopic rod. The angle of the telescopic plate can be adjusted through the expansion and contraction of the second telescopic rod, and the width can be widened through the expansion and contraction of the telescopic plate. The length of the desk can adjust the width of the desk by turning the rotating plate to be flat with the upper surface of the U-shaped support plate. Turns into a chair, making the adjustment more convenient.

Description

A multifunctional retractable desk

technical field

The utility model relates to the technical field of teaching desks, in particular to a multifunctional retractable desk.

Background technique

In the prior art, the common desk includes the support formed by the desk body and four uprights, the surface of the desk body can be used for writing and reading, and a space that can accommodate schoolbags is formed inside the desk body; this desk It can meet the learning needs of students. The desks required by different students are of different sizes, but the existing desks have a single form, cannot be adjusted, and have single functions. The desks of students at one stage are of different sizes, which can no longer meet the needs of existing desks. demand.

Utility model content

The technical problem to be solved by the utility model is to overcome the existing defects and provide a multi-functional telescopic desk with a simple structure, which can not only adjust the length and width of the desk, but also turn the desk into a chair, making the adjustment more convenient , can effectively solve the problems in the background technology.

In order to achieve the above purpose, the utility model provides the following technical solutions: a multifunctional telescopic desk, including a U-shaped support plate, four first telescopic rods are welded on the four corners of the lower surface of the U-shaped support plate, and the U-shaped support plate There are two sliding rails welded on both sides of the upper surface of the U-shaped support plate. The upper surface of the U-shaped support plate is provided with a telescopic plate, and the two sides of one end of the telescopic plate are respectively provided with rotating guide wheels. The track is rotated and connected, and the lower surface of the telescopic plate is provided with two sliding grooves, and two sliding support blocks are provided in the sliding grooves, and the lower surface of the sliding support block is connected with the second sliding support block through threaded connection. Two positioning pins, the second telescoping rod is connected by the hinge seat between the sliding support block and the vertical plate lower end of the U-shaped support plate, and the upper end horizontal plate both sides of the U-shaped support plate are connected with two rotating plates by hinges.

As a preferred technical solution of the present invention, the first telescopic rod and the second telescopic rod are slidingly connected by two support rods, and first positioning pins are provided at the joints of the two support rods.

As a preferred technical solution of the present invention, the lower ends of the sides between the four first telescopic rods are provided with reinforcement pillars, and the telescopic ends of the first telescopic rods are welded with supporting feet.

As a preferred technical solution of the utility model, one side of the rotating plate is provided with two L-shaped connecting buckles, and two sides of the lower surface of the U-shaped support plate are provided with two connecting buckles. Corresponding connection card slot.

As a preferred technical solution of the present invention, two rotating support plates are provided on both sides of the lower surface of the upper horizontal plate of the U-shaped support plate, and one end of the rotating support plate is connected to the U-shaped support plate through a rotating shaft.

Compared with the prior art, the beneficial effect of the utility model is: the first telescopic rod is set on the multifunctional telescopic desk, and the height of the desk can be adjusted through the expansion and contraction of the first telescopic rod, making the adjustment more convenient , a second telescopic rod is set between the sliding support block and the U-shaped support plate, the angle of the telescopic board can be adjusted through the expansion and contraction of the second telescopic rod, making it more convenient for the desk to become a chair, and the expansion and contraction of the telescopic board can be widened The length of the desk can adjust the width of the desk through the rotation of the rotating plate and the upper surface of the U-shaped support plate. Turns into a chair, making adjustments easier.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is a schematic diagram of the side structure of the utility model.

In the figure: 1 telescopic plate, 2 rotating guide wheel, 3 sliding track, 4 rotating plate, 5 connecting buckle, 6 reinforcing pillar, 7 first telescopic rod, 8 supporting foot, 9 U-shaped supporting plate, 10 first positioning Pin, 11 connection draw-in groove, 12 rotating support plates, 13 second telescoping rods, 14 second positioning pins, 15 sliding grooves, 16 sliding support blocks.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Figure 1-2, the utility model provides a technical solution: a multi-functional telescopic desk, including a U-shaped support plate 9, four first telescopic rods 7 are welded on the four corners of the lower surface of the U-shaped support plate 9, By the expansion and contraction of the first telescopic rod 7, the height of the desk can be adjusted with this, so that the adjustment is more convenient. Two sliding tracks 3 are welded on both sides of the upper surface of the U-shaped support plate 9, and the upper surface of the U-shaped support plate 9 is set. There is a telescopic plate 1, one end of the telescopic plate 1 is provided with rotating guide wheels 2 on both sides respectively, and the two rotating guide wheels 2 are respectively connected with two sliding tracks 3 in rotation, and the lower surface of the telescopic plate 1 is provided with two sliding grooves 15. There are two sliding support blocks 16 that are slidingly connected in the sliding groove 15, and the lower surface side of the sliding support block 16 is connected with the second positioning pin 14 by screw connection, and the sliding support block 16 and the U-shaped support plate 9 is connected with the second telescopic rod 13 by the hinge seat between the lower ends of the vertical boards, the angle of the telescopic board 1 can be adjusted through the expansion and contraction of the second telescopic rod 13, making it more convenient for the desk to become a chair, and the expansion and contraction of the telescopic board 1 Can widen the length of desk, the upper end horizontal plate both sides of U-shaped support plate 9 is connected with two rotating plates 4 by hinge, the first telescopic rod 7 and the second telescopic rod 13 are all slidably connected by two support rods, And the joints of the two support rods are all provided with first positioning pins 10, the length of the first telescopic rods 7 or the second telescopic rods 13 can be fixed by the first positioning pins 10, the four first telescopic rods 7 between The lower end of the side is provided with a reinforcement pillar 6, and the telescopic end of the first telescopic rod 7 is welded with a support foot 8, and one side of the rotating plate 4 is provided with two connecting buckles 5 of L-shaped structure, and the lower part of the U-shaped support plate 9 Both sides of the surface are provided with two connection slots 11 corresponding to the connection buckle 5, through the connection between the connection buckle 5 and the connection slot 11, the rotating plate 4 can be fixed on both sides of the U-shaped support plate 9, and through The cooperation between the rotating plate 4 and the U-shaped supporting plate 9 makes the U-shaped supporting plate 9 form a placement box, and the upper end of the U-shaped supporting plate 9 is provided with two rotating supporting plates 12 on both sides of the lower surface of the horizontal plate, and the rotating supporting plate 12 One end of the rotating shaft is connected with the U-shaped support plate 9, and the rotating plate 4 can be fixed to be flat with the U-shaped support plate 9 by rotating the support plate 12.

When in use: the length of the desk can be widened by the expansion and contraction of the telescopic plate 1, or by rotating the rotating plate 4 to a position that is level with the U-shaped support plate 9, and then the rotating plate 4 is fixed by rotating the supporting plate 12, so that The width of this regulation desk, by the expansion and contraction of the first telescopic rod 10, the height of desk can be adjusted, then adjust the angle of expansion board 1 by the expansion and contraction of the second expansion rod 13, make expansion board 1 become the back of a chair, make class The table becomes a chair.

The utility model can adjust the height of the desk through the expansion and contraction of the first expansion rod 7, making the adjustment more convenient, and the expansion and contraction of the second expansion rod 13 can adjust the angle of the expansion plate 1, making it more convenient for the desk to become a chair. And the length of the desk can be widened by the expansion and contraction of the telescopic plate 1, and the width of the desk can be adjusted by rotating the rotating plate 4 to be flat with the upper surface of the U-shaped support plate 9. This multifunctional telescopic desk is simple in structure, not only can be adjusted The length and width of the desk can be adjusted, and the desk can be turned into a chair, making the adjustment more convenient.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (5)

1. a kind of Multifunction expanding desk, including U-shaped support plate（9）, it is characterised in that：The U-shaped support plate（9）Lower surface Corner is welded with four the first telescopic rods（7）, U-shaped support plate（9）Upper surface both sides be welded with two sliding rails（3）, institute State U-shaped support plate（9）Upper surface be equipped with expansion plate（1）, expansion plate（1）One end both sides be respectively equipped with rotation guide wheel（2）, two A rotation guide wheel（2）Respectively with two sliding rails（3）Rotation connection, the expansion plate（1）Lower surface be equipped with two cunnings Dynamic groove（15）, sliding recess（15）Inside it is equipped with two sliding support being slidably connected blocks（16）, slidably support block（16）Under The mode that surface side is connected through a screw thread is connected with the second positioning pin（14）, slidably support block（16）With U-shaped support plate（9）'s The second telescopic rod is connected with by free bearing between vertical plate lower end（13）, U-shaped support plate（9）Upper end level board both sides pass through conjunction Page is connected with two rotor plates（4）.

A kind of 2. Multifunction expanding desk according to claim 1, it is characterised in that：First telescopic rod（7）With Two telescopic rods（13）It is slidably connected by two supporting rods, and the junction of two supporting rods is equipped with the first positioning pin （10）.

A kind of 3. Multifunction expanding desk according to claim 1, it is characterised in that：Four the first telescopic rods（7）Between Side lower end be equipped with reinforce pillar（6）, and the first telescopic rod（7）Telescopic end be welded with supporting seat（8）.

A kind of 4. Multifunction expanding desk according to claim 1, it is characterised in that：The rotor plate（4）Side set There is the connection buckle of two L-type structures（5）, the U-shaped support plate（9）Lower surface both sides be equipped with two and connection buckle （5）Corresponding connection card slot（11）.

A kind of 5. Multifunction expanding desk according to claim 1, it is characterised in that：The U-shaped support plate（9）Upper end Level board lower surface both sides are equipped with two rotational support plates（12）, rotational support plate（12）One end pass through shaft and U-shaped support Plate（9）Connection.