CN212995290U

CN212995290U - Folding desk

Info

Publication number: CN212995290U
Application number: CN202021084893.XU
Authority: CN
Inventors: 张颖
Original assignee: Liaoning Institute of Science and Technology
Current assignee: Liaoning Institute of Science and Technology
Priority date: 2020-06-12
Filing date: 2020-06-12
Publication date: 2021-04-20
Anticipated expiration: 2030-06-12

Abstract

The utility model discloses a folding desk, it is articulated through the rotation axis with last table leg through the desktop, desktop rear end middle part position is the spliced pole, the spliced pole passes through rotation axis connection with the bracing piece, bracing piece other end side sets up the recess, the fixed column is fixed in last table leg side, go up table leg bottom and lower table leg top fixed connection, lower table leg bottom articulates in the equipment groove with the axis of rotation, lower table leg intermediate position passes through rotation axis rotation with bracing piece one end and is connected, the bracing piece other end articulates with the equipment groove through the axis of rotation, the impeller sets up in the axis of rotation upper end of bracing piece, the invention is simple in structure, and the operability is stronger, has certain spreading.

Description

Folding desk

Technical Field

The utility model relates to a teaching assistance field, concretely relates to foldable desk.

Background

The invention provides a folding desk, which can be used for enabling a desk to go deep below the ground when not in use, can save space and is suitable for a multifunctional classroom.

Disclosure of Invention

In order to solve the technical problem, the utility model discloses a realize through following technical scheme.

A folding desk comprises a desktop, a rotating shaft A, a connecting column, a rotating shaft B, a supporting rod A, upper desk legs, a fixing column, a groove, lower desk legs, a rotating shaft C, a pusher, a rotating shaft D, an equipment groove, a supporting rod B, a rotating shaft E and a switch, the desktop is hinged to the upper table legs through a rotating shaft A, the middle of the rear end of the desktop is provided with a connecting column, the connecting column is connected with the supporting rod A through a rotating shaft B, the other end side face of the supporting rod A is provided with a groove, the fixing column is fixed on the side face of the upper table leg, the bottom end of the upper table leg is fixedly connected with the top end of the lower table leg, the bottom end of the lower table leg is hinged to the equipment groove through a rotating shaft C, the middle of the lower table leg is rotatably connected with one end of the supporting rod B through a rotating shaft E, the other end of the supporting rod B is hinged.

Further, the diameter of the groove is consistent with that of the fixing column.

Furthermore, the width of the lower table legs is consistent with the width of the upper table legs and the thickness of the table top.

The beneficial effects of the utility model reside in that.

Compared with the prior art, the beneficial effects of the utility model are that it is articulated through axis of rotation A with last table leg to pass through the desktop, desktop rear end middle part position is the spliced pole, the spliced pole passes through axis of rotation B with bracing piece A and is connected, bracing piece A other end side sets up the recess, the fixed column is fixed in upper table leg side, upper table leg bottom and lower table leg top fixed connection, lower table leg bottom articulates in the equipment groove with axis of rotation C, lower table leg intermediate position and bracing piece B one end are passed through axis of rotation E and are rotated and be connected, the bracing piece B other end articulates with the equipment groove through axis of rotation D, the impeller sets up in bracing piece B's axis of rotation D upper end, the invention is simple in structure.

Drawings

The following describes the present invention with reference to the accompanying drawings and examples.

Fig. 1 is a front view of the present invention in a non-operating state.

Fig. 2 is a front view of the utility model in a half-folded state.

Fig. 3 is a front view of the utility model in the working state.

Fig. 4 is a side view of the working state of the present invention.

Fig. 5 is a side view of the present invention in a half-folded state.

In the figure: a tabletop 1; the rotational axis a 2; a connecting column 3; the rotation shaft B4; support bar a 5; an upper table leg 6; a fixed column 7; a groove 8; a lower table leg 9; the rotation shaft C10; a pusher 11; a rotation shaft D12; a device tank 13; support bar B14; the rotating shaft E15; a switch 16.

Detailed description of the preferred embodiments.

As shown in fig. 1-5, a foldable desk comprises a desktop 1, a rotation shaft a2, a connection column 3, a rotation shaft B4, a support bar a5, an upper desk leg 6, a fixing column 7, a groove 8, a rotation shaft C10 of a lower desk leg 9, a pusher 11, a rotation shaft D12, an equipment groove 13, a support bar B14, a rotation shaft E15, and a switch 16, wherein the desktop 1 is hinged to the upper desk leg 6 through a rotation shaft a2, the connection column 3 is located in the middle of the rear end of the desktop 1, the connection column 3 is connected to the support bar a5 through a rotation shaft B4, the groove 8 is disposed on the side of the other end of the support bar a5, the fixing column 7 is fixed to the side of the upper desk leg 6, the bottom end of the upper desk leg 6 is fixedly connected to the top end of the lower desk leg 9, the bottom end of the lower desk leg is hinged to the equipment groove 13 through the rotation shaft C10, the, the pusher 11 is arranged at the upper end of the rotating shaft D12 of the supporting bar B14, the switch 16 is arranged on the ground, the diameter of the groove 8 is consistent with that of the fixing column 7, and the width of the lower leg 9 is consistent with that of the upper leg 6 and the thickness of the table top 1.

The working principle is as follows.

Before the operation, the switch 16 is started, the pusher 11 starts to operate, the pusher 11 pushes the support bar B14 through the rotating shaft E15 to enable the lower leg 6 to rotate clockwise along the rotating shaft C10, the lower leg 6 rotates clockwise along the rotating shaft C10, meanwhile, the angle of the support bar B14 is adjusted through the rotating shaft E15 and the rotating shaft D12, the switch 16 is closed when the lower leg 6 is perpendicular to the ground, the support bar A5 is manually adjusted to be horizontal, the vertical tabletop 1 is adjusted to be horizontal through the rotating shaft A2 by hands, the fixing column 7 on the upper leg 6 is clamped into the groove 8 on the support bar A5 to be fixed, and the tabletop adjustment operation is completed.

Before folding, the fixing column 7 on the upper table leg 6 is lifted out of the groove 8 on the supporting rod A5, the table top 1 is rotated anticlockwise along the rotating shaft A2, the supporting rod A5 is fixed when the table top 1 is rotated to be vertical to the ground, the switch 16 is started, the pusher 11 starts to work, the pusher 11 retracts the supporting rod B14 through the rotating shaft E15 to enable the lower table leg 6 to rotate anticlockwise along the rotating shaft C10, the lower table leg 6 rotates anticlockwise along the rotating shaft C10, the angle of the supporting rod B14 is adjusted through the rotating shaft E15 and the rotating shaft D12, the switch 16 is closed when the lower table leg 6 is parallel to the ground, the table top completely enters the equipment groove 13, and the table top adjusting work is completed.

The above embodiments are merely preferred technical solutions of the present invention, and should not be considered as limitations of the present invention, and the embodiments and features in the embodiments in the present application may be arbitrarily combined with each other without conflict. The protection scope of the present invention should be defined by the claims and the equivalents of the technical features in the claims. Namely, equivalent alterations and modifications within the scope of the invention are also within the scope of the invention.

Claims

1. A folding desk is characterized by comprising a desktop (1), a rotating shaft A (2), a connecting column (3), a rotating shaft B (4), a supporting rod A (5), an upper desk leg (6), a fixing column (7), a groove (8), a lower desk leg (9), a rotating shaft C (10), a pusher (11), a rotating shaft D (12), an equipment groove (13), a supporting rod B (14), a rotating shaft E (15) and a switch (16), wherein the desktop (1) is hinged with the upper desk leg (6) through the rotating shaft A (2), the connecting column (3) is arranged in the middle of the rear end of the desktop (1), the connecting column (3) is connected with the supporting rod A (5) through the rotating shaft B (4), the groove (8) is arranged on the side face of the other end of the supporting rod A (5), the fixing column (7) is fixed on the side face of the upper desk leg (6), the bottom end, the bottom ends of the lower table legs (9) are hinged with the rotating shaft C (10) in the equipment groove (13), the middle positions of the lower table legs (9) are rotatably connected with one end of the supporting rod B (14) through the rotating shaft E (15), the other end of the supporting rod B (14) is hinged with the equipment groove (13) through the rotating shaft D (12), the pusher (11) is arranged at the upper end of the rotating shaft D (12) of the supporting rod B (14), and the switch (16) is arranged on the ground.

2. A folding desk according to claim 1 characterised in that the diameter of the recess (8) corresponds to the diameter of the fixing post (7).

3. A folding desk according to claim 1, characterised in that the width of the lower legs (9) corresponds to the width of the upper legs (6) and to the thickness of the desk top (1).