Table top turnover mechanism

Abstract

The utility model relates to the field of hardware fittings, and provides a table top turnover mechanism which comprises a table top supporting plate, a table leg end fixing plate, a turnover mechanism fixing plate, a micro-motion clamping plate, a shifting piece, a reset spring, a rotating handle, a first riveting column and a second riveting column, the table top supporting plate is fixedly connected with a table top, and a fixing part is arranged at the lower end of the table leg end fixing plate and fixedly connected with a table leg. The turnover table is characterized in that the table top supporting plate is riveted between the table leg end fixing plate and the turnover mechanism fixing plate through a first riveting column in a pivoted mode; the micro-motion clamping plate is riveted between the table leg end part fixing plate and the turnover mechanism fixing plate by a second riveting column in a pivoting manner; the rotating handle is embedded and fixed with the shifting piece, and the shifting piece is pivoted between the table leg end part fixing plate and the turnover mechanism fixing plate; the shifting piece is provided with a reset arm, and the reset spring is matched with the reset arm to drive the rotating piece to reset. The table top can be overturned to be in a horizontal or vertical state by pressing down the rotating handle, and the table top is immediately clamped and fixed after the rotating handle is loosened, so that use and storage are convenient.

Description

Technical Field

[0001] The utility model relates to a hardware accessory, in particular to a hardware accessory for flipping the desktop of a conference table or a training table. Background Art

[0002] During training or large meetings, the tables used are usually long tables with fixed tabletops and legs. During use, people participating in the study and meeting need to take their seats in order from the inside to the outside. When the people sitting on the inside want to leave, the people sitting on the outside need to stand up and make way, which is inconvenient. In addition, fixed long tables take up a large space when stored, which is not conducive to the rational use of the venue. Therefore, it is necessary to improve the table structure design, and consider using a movable or flippable tabletop for easy use and storage. Summary of the Invention

[0003] The technical problem to be solved by the utility model is that the existing desktop cannot be turned over, and a desktop turning mechanism is provided.

[0004] The technical solution adopted by the utility model is: a desktop flip mechanism, including a desktop support plate, a table leg end fixing plate, a flip mechanism fixing plate, a micro-motion card plate, a toggle piece, a return spring, a rotating handle, a first rivet column and a second rivet column, the desktop support plate is fixedly connected to the desktop, and the lower end of the table leg end fixing plate is provided with a fixing portion fixed to the table leg, which is characterized in that a flip card plate extends downward from the middle of the desktop support plate, and the flip card plate is riveted between the table leg end fixing plate and the flip mechanism fixing plate in a pivotal manner with the first rivet column; the micro-motion card plate is riveted in a pivotal manner with the second rivet column between the fixed plate at the end of the table leg and the fixed plate of the flip mechanism; the rotating handle is embedded in the toggle piece, and the toggle piece is pivotally connected between the fixed plate at the end of the table leg and the fixed plate of the flip mechanism; a reset arm is provided at the lower part of the toggle piece, and the reset arm cooperates with the reset spring to drive the toggle piece to reset; the desktop support plate is engaged and clamped with the micro-motion card, and the rotating handle is pressed down to drive the toggle piece to toggle the micro-motion card to release the engagement with the desktop support plate. After the desktop support plate is rotated 90 degrees, the rotating handle is released. Under the action of the reset spring, the toggle piece is reset and drives the micro-motion card to engage and clamp the desktop support plate again.

[0005] The above technical solution is further refined as follows: a flip center hole is provided in the center of the flip card plate; a semicircular rotating support arm is provided at the upper end of the table leg end fixing plate, with a first flip axis hole provided at the center of the circle; a second flip axis hole is provided at the upper end of the flip mechanism fixing plate; a first rivet stud is used to pivotally rivet the flip center hole between the first and second flip axis holes, allowing the tabletop support plate to rotate about the flip center hole; a card pivot hole is provided at the left end of the micro-motion card plate; a first card axis hole is provided at the middle left side of the table leg end fixing plate; a second card axis hole is provided at the middle left side of the flip mechanism fixing plate; a second rivet stud is used to pivotally rivet the card pivot hole between the first and second card axis holes, allowing the micro-motion card plate to rotate about the card pivot hole. A toggle piece engaging hole is provided in the middle of the toggle piece, a first toggle piece shaft hole is provided on the right side of the lower part of the fixing plate at the end of the table leg, a second toggle piece shaft hole is provided on the right side of the lower part of the fixing plate of the flip mechanism, a toggle piece embedding column is provided at one end of the toggle handle, the toggle piece embedding column is embedded in the toggle piece engaging hole to embed the rotating handle and the toggle piece, and the toggle piece is pivotally connected between the first toggle piece shaft hole and the second toggle piece shaft hole; the right side of the flip card plate is set to an arc shape, a vertical position slot is provided at the upper right end of the flip card plate, and a horizontal position slot is provided at the lower right end of the flip card plate, and a micro-motion toothed groove is provided at the upper right end of the micro-motion card plate, and the micro-motion toothed groove can be respectively engaged and fixed with the vertical position slot and the horizontal position slot to fix the vertical and horizontal positions of the desktop support plate. The lower portion of the micro-switch card plate is provided with a toggle slot, a release paddle is provided on the left side of the toggle slot, and a locking paddle is provided on the right side of the toggle slot. A shifting disc is provided on the upper portion of the toggle disc, and the shifting disc is inserted into the toggle slot to toggle the release paddle and the locking paddle. The end of the reset arm is provided with a reset spring recess, and the lower left portion of the flip mechanism fixing plate is provided with a reset spring recess. The shifting disc is inserted into the toggle slot, with one end of the reset spring recessed in the reset spring recess and the other end embedded in the reset spring recess. Pressing down and rotating the handle causes the shifting disc to rotate counterclockwise in the toggle slot, toggling the release paddle, causing the micro-switch card plate to rotate clockwise, disengaging the micro-switch toothed groove from the vertical or horizontal slot, releasing the latch, and allowing the desktop support plate to rotate. After the desktop support plate is rotated into place, the rotating handle is released. Driven by the retraction force of the reset spring, the paddle rotates clockwise in the toggle slot, toggling the fixed paddle, so that the micro-motion card plate rotates counterclockwise, driving the micro-motion toothed slot to be locked in the vertical position card slot or the horizontal position card slot, and the desktop support plate is fixed.

[0006] According to the present invention, the desktop can be flipped to a horizontal or vertical state by pressing down the rotating handle, and can be immediately locked by releasing the rotating handle, which is convenient for use and storage. BRIEF DESCRIPTION OF THE DRAWINGS

[0007] Figure 1 This is a three-dimensional schematic diagram of the utility model in its combined state;

[0008] Figure 2 This is a schematic diagram of the structure of the utility model in a decomposed state;

[0009] Figure 3 This is a schematic diagram of the utility model when the desktop is laid flat and fixed;

[0010] Figure 4 This is a schematic diagram of the present invention's front-end release mechanism;

[0011] Figure 5 This is a schematic diagram of the utility model in a state where it is turned over but not yet fixed;

[0012] Figure 6 It is a schematic diagram of the utility model in a locked state after being turned over.

[0013] The numbers in the figure indicate:

[0014] 1-desktop support plate, 11-flip card plate, 111-flip center hole, 112-vertical card slot, 113-horizontal card slot;

[0015] 2-table leg end fixing plate, 21-fixing part, 22-rotation support arm, 23-first flip axis hole, 24-first card axis hole, 25-first toggle card axis hole;

[0016] 3- flip mechanism fixing plate, 31- second flip shaft hole, 32- second card shaft hole, 33- second toggle card shaft hole, 34- reset spring embedding hole;

[0017] 4- micro-switch card plate, 41- card plate pivot hole, 42- micro-switch toothed slot, 43- toggle slot, 44- card release paddle, 45- card fixing paddle;

[0018] 5-sliding piece, 51-sliding piece engaging hole, 52-sliding peach, 53-reset arm, 54-reset spring engaging groove;

[0019] 6-return spring;

[0020] 7-rotate the handle, 71-move the plate embedded in the column;

[0021] 8-first rivet stud;

[0022] 9-Second rivet stud. DETAILED DESCRIPTION

[0023] In order to have a clearer understanding of the technical features, purposes and beneficial effects of the present invention, the technical solution of the present invention is now described in detail below, but it should not be understood as limiting the scope of implementation of the present invention.

[0024] like Figures 1 to 6As shown, the utility model provides a desktop flip mechanism, including a desktop support plate 1, a table leg end fixing plate 2, a flip mechanism fixing plate 3, a micro-motion card plate 4, a toggle piece 5, a return spring 6, a rotating handle 7, a first rivet column 8 and a second rivet column 9. The desktop support plate 1 is fixed to the desktop, and the lower end of the table leg end fixing plate 2 is provided with a fixing portion 21 fixed to the table leg; a flip card plate 11 extends downward from the middle of the desktop support plate 1, and the flip card plate 11 is riveted between the table leg end fixing plate 2 and the flip mechanism fixing plate 3 in a pivotal manner with the first rivet column 8; the micro-motion card plate 4 is riveted to the table leg end fixing plate 2 in a pivotal manner with the second rivet column 9 Between the fixed plate 2 and the flip mechanism fixed plate 3; the rotating handle 7 is embedded in the toggle piece 5, and the toggle piece 5 is pivotally connected between the table leg end fixed plate 2 and the flip mechanism fixed plate 3; the lower part of the toggle piece 5 is provided with a reset arm 53, and the reset arm 53 cooperates with the reset spring 6 to drive the toggle piece 5 to reset; the desktop support plate 1 is engaged and fixed with the micro-motion card plate 4, and the downward pressing of the rotating handle 7 drives the toggle piece 5 to toggle the micro-motion card plate 4 to release the engagement and fixation with the desktop support plate 1. After the desktop support plate 1 is rotated 90 degrees, the rotating handle 7 is released. Under the action of the reset spring 6, the toggle piece 5 is reset and drives the micro-motion card plate 4 to engage and fix the desktop support plate 1 again.

[0025] The above scheme is further refined as follows: a flip center hole 111 is provided at the center of the flip card plate 11, a semicircular rotating support arm 22 is provided at the upper end of the table leg end fixing plate 2, a first flip axis hole 23 is provided at the center of the circle, a second flip axis hole 31 is provided at the upper portion of the flip mechanism fixing plate 3, and the flip center hole 111 is riveted between the first flip axis hole 23 and the second flip axis hole 31 in a pivotal manner using a first rivet stud 8, so that the table top support plate 1 can rotate around the flip center hole 111. A card pivot hole 41 is provided at the left end of the micro-motion card plate 4, a first card axis hole 24 is provided at the middle left side of the table leg end fixing plate 2, and a second card axis hole 32 is provided at the middle left side of the flip mechanism fixing plate 3, and the card pivot hole 41 is riveted between the first card axis hole 24 and the second card axis hole 32 in a pivotal manner using a second rivet stud 9, so that the micro-motion card plate 4 can rotate around the card pivot hole 41. The toggle plate 5 is provided with a toggle plate engaging hole 51 in the middle portion, a first toggle plate shaft hole 25 is provided on the lower right side of the table leg end fixing plate 2, a second toggle plate shaft hole 33 is provided on the lower right side of the flip mechanism fixing plate 3, and a toggle plate engaging post 71 is provided at one end of the toggle handle 7. The toggle plate engaging post 71 engages with the toggle plate engaging hole 51 to engage the rotating handle 7 with the toggle plate 5 and pivotally connects the toggle plate 5 between the first toggle plate shaft hole 25 and the second toggle plate shaft hole 33. The right side of the flip card 11 is designed to be arc-shaped, and a vertical position slot 112 is provided at the upper right end of the flip card 11, and a horizontal position slot 113 is provided at the lower right end of the flip card 11. The upper right end of the micro-motion card 4 is provided with a micro-motion toothed groove 42, which can be engaged with the vertical position slot 112 and the horizontal position slot 113 respectively to fix the vertical and horizontal positions of the desktop support plate 1. The lower portion of the micro-switch card plate 4 is provided with a toggle slot 43, a release paddle 44 is provided on the left side of the toggle slot 43, and a retaining paddle 45 is provided on the right side of the toggle slot 43. A shifting disc 52 is provided on the upper portion of the toggle disc 5. The shifting disc 52 is inserted into the toggle slot 43 to move the release paddle 44 and retaining paddle 45. One assembly method for the return spring is as follows: the end of the return arm 53 is provided with a return spring embedding slot 54, and the left side of the lower portion of the flip mechanism fixing plate 3 is provided with a return spring embedding hole 34. One end of the return spring 6 is embedded in the return spring embedding hole 34, and the other end is embedded in the return spring embedding slot 54.

[0026] like Figure 4 、 Figure 5 As shown, pressing down and rotating the handle 7 drives the paddle 53 to rotate counterclockwise in the toggle slot 43, toggling the release paddle 44, so that the micro-motion card plate 4 rotates clockwise, driving the micro-motion toothed slot 42 to disengage from the vertical position card slot 112 or the horizontal position card slot 113 and release the card, so that the desktop support plate 1 can be rotated.

[0027] like Figure 3 、 Figure 6As shown, after the desktop support plate 1 is rotated into place, the rotating handle 7 is released, and driven by the retraction force of the reset spring 6, the paddle 52 rotates clockwise in the toggle groove 43, to toggle the fixed paddle 45, so that the micro-motion card plate 4 rotates counterclockwise and drives the micro-motion toothed groove 42 to be fixed in the vertical position card slot 112 or the horizontal position card slot 113, and the desktop support plate 1 is fixed.

[0028] According to the present invention, the desktop can be flipped to a horizontal or vertical state by pressing down the rotating handle 7, and can be locked immediately by releasing the rotating handle 7, which is convenient for use and storage.

[0029] The above-mentioned directional descriptions such as "up", "down", "left" and "right" are only used to indicate the relative positions of components and are not used to limit the structural scheme. Any deformation based on the inventive concept of this utility model falls within the scope of protection of this patent.

Claims

1. A tabletop flip mechanism, comprising a tabletop support plate (1), a table leg end fixing plate (2), a flip mechanism fixing plate (3), a micro-motion card plate (4), a toggle plate (5), a return spring (6), a rotating handle (7), a first rivet post (8) and a second rivet post (9), wherein the tabletop support plate (1) is fixedly connected to the tabletop, and the lower end of the table leg end fixing plate (2) is provided with a fixing portion (21) fixedly connected to the table leg; characterized in that: A flip card plate (11) extends downward from the middle of the table support plate (1), and the flip card plate (11) is riveted between the table leg end fixing plate (2) and the flip mechanism fixing plate (3) in a pivotal manner using a first rivet column (8); the micro-motion card plate (4) is riveted between the table leg end fixing plate (2) and the flip mechanism fixing plate (3) in a pivotal manner using a second rivet column (9); the rotating handle (7) is embedded with the toggle plate (5), and the toggle plate (5) is fixed to the table leg end fixing plate (2). It is pivotally connected between the fixed plate (2) at the end of the table leg and the fixed plate (3) of the flip mechanism; a reset arm (53) is provided at the lower part of the toggle plate (5), and the reset arm (53) cooperates with the reset spring (6) to drive the toggle plate (5) to reset; the desktop support plate (1) is engaged and fixed with the micro-motion card plate (4), and the handle (7) is pressed down to drive the toggle plate (5) to toggle the micro-motion card plate (4) to release the engagement and fixation with the desktop support plate (1); after the desktop support plate (1) is rotated 90 degrees, the rotating handle (7) is released, and under the action of the reset spring (6), the toggle plate (5) is reset and drives the micro-motion card plate (4) to engage and fix the desktop support plate (1) again.

2. The desktop flip mechanism according to claim 1, characterized in that: A flip center hole (111) is provided at the center of the flip card plate (11), a semicircular rotating support arm (22) is provided at the upper end of the table leg end fixing plate (2), a first flip axis hole (23) is provided at the center of the circle, and a second flip axis hole (31) is provided at the upper part of the flip mechanism fixing plate (3). The flip center hole (111) is riveted between the first flip axis hole (23) and the second flip axis hole (31) in a pivotal manner using a first rivet column (8), and the desktop support plate (1) can rotate around the flip center hole (111).

3. The desktop flip mechanism according to claim 1, characterized in that: A card plate pivot hole (41) is provided at the left end of the micro-motion card plate (4), a first card plate axis hole (24) is provided at the left middle portion of the table leg end fixing plate (2), and a second card plate axis hole (32) is provided at the left middle portion of the flip mechanism fixing plate (3). The card plate pivot hole (41) is riveted between the first card plate axis hole (24) and the second card plate axis hole (32) in a pivotal manner using a second rivet column (9), so that the micro-motion card plate (4) can rotate around the card plate pivot hole (41).

4. The desktop flip mechanism according to claim 1, characterized in that: A toggle piece engaging hole (51) is provided in the middle of the toggle piece (5), a first toggle piece shaft hole (25) is provided on the right side of the lower portion of the table leg end fixing plate (2), a second toggle piece shaft hole (33) is provided on the right side of the lower portion of the flip mechanism fixing plate (3), and a toggle piece embedded column (71) is provided at one end of the rotating handle (7), the toggle piece embedded column (71) is embedded in the toggle piece engaging hole (51) to embed the rotating handle (7) and the toggle piece (5), and the toggle piece (5) is pivotally connected between the first toggle piece shaft hole (25) and the second toggle piece shaft hole (33).

5. The desktop flip mechanism according to claim 1, characterized in that: The right side of the flip card plate (11) is set to be arc-shaped, the upper end of the right side of the flip card plate (11) is provided with a vertical position card slot (112), the lower end of the right side of the flip card plate (11) is provided with a horizontal position card slot (113), and the upper end of the right part of the micro-motion card plate (4) is provided with a micro-motion toothed groove (42), and the micro-motion toothed groove (42) can be respectively engaged with the vertical position card slot (112) and the horizontal position card slot (113) to fix the vertical and horizontal positions of the desktop support plate (1).

6. The desktop flip mechanism according to claim 1, characterized in that: The lower part of the micro-motion card plate (4) is provided with a toggle groove (43), a card-releasing pick (44) is provided on the left side of the toggle groove (43), and a card-fixing pick (45) is provided on the right side of the toggle groove (43). A shifting piece (52) is provided on the upper part of the toggle piece (5), and the shifting piece (52) is inserted into the toggle groove (43) to toggle the card-releasing pick (44) and the card-fixing pick (45).

7. The desktop flip mechanism according to claim 1, wherein: The end of the reset arm (53) is provided with a reset spring embedded groove (54), the left side of the lower portion of the flip mechanism fixing plate (3) is provided with a reset spring embedded hole (34), one end of the reset spring (6) is embedded in the reset spring embedded hole (34), and the other end is embedded in the reset spring embedded groove (54).

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