CN109452753B

CN109452753B - Collapsible table

Info

Publication number: CN109452753B
Application number: CN201811344793.3A
Authority: CN
Inventors: 张薇
Original assignee: Jiali Shinde Furniture Co ltd
Current assignee: Jiali Shinde Furniture Co.,Ltd.
Priority date: 2018-11-13
Filing date: 2018-11-13
Publication date: 2021-07-09
Anticipated expiration: 2038-11-13
Also published as: CN109452753A

Abstract

The invention provides a retractable table, and belongs to the field of furniture. The retractable table comprises a table top, a supporting seat, an automatic telescopic mechanism and a locking mechanism; the table plate comprises a fixed plate and movable plates circumferentially arranged along the fixed plate, and the supporting seat is arranged at the bottom of the table plate; the automatic telescopic mechanism is arranged at the bottom of the table plate, and the use area of the table plate can be increased through the automatic telescopic mechanism. When the movable plate moves to the maximum position, the locking mechanism enables the automatic telescopic mechanism to keep a locking state, so that the movable plate is always kept flush with the fixed plate. The size of the foldable table can be changed simply and conveniently according to the use requirement.

Description

Collapsible table

Technical Field

The invention relates to the field of furniture, in particular to a retractable table.

Background

The table is an essential household article in daily life, however, with the vigorous development of the land industry, a plurality of small house-type houses become the first choice when people buy houses, so that the living area of people is reduced. The existing table (particularly a dining table) is large in size and occupies large space resources; or the volume is small, and although the space is saved, the use requirement under some special conditions is difficult to meet. The desk has fixed structure and single function, and the size of the desk cannot be changed according to the timely use environment, so that the application of the desk is greatly limited.

Disclosure of Invention

The invention provides a retractable table, aiming at solving the problem that the table structure is fixed and the size of a table top is difficult to change at the right time.

The invention is realized by the following steps:

a retractable table comprises a table top, a supporting seat, an automatic telescopic mechanism and a locking mechanism;

the table plate comprises a fixed plate and movable plates arranged along the circumferential direction of the fixed plate, and the supporting seat is arranged at the bottom of the table plate;

the automatic telescopic mechanism comprises a first fixed seat, a sliding chute, a sliding plate and a five-connecting rod, the first fixed seat is arranged at the bottom of the fixed plate and is fixedly connected with the supporting seat, the sliding chute is arranged in the first fixed seat, the sliding plate is slidably embedded in the sliding chute, the five-connecting rod comprises a first connecting rod, a second connecting rod, a third connecting rod, a fourth connecting rod and a fifth connecting rod which are sequentially hinged, one end of the first connecting rod is connected with the free end of the sliding plate, the third connecting rod is fixedly arranged at the bottom of the movable plate, and one end of the fifth connecting rod is fixedly connected with the first fixed seat;

the locking mechanism comprises a second fixing seat, a first support rod and a second support rod, the second fixing seat is fixedly arranged on the supporting seat, the first support rod is hinged to the second support rod, the first support rod is fixedly connected with the second fixing seat, and the second support rod is fixedly connected with the free end of the sliding plate.

Further, in a preferred embodiment of the present invention, the sliding plate includes a panel and a guide rail vertically disposed at the bottom of the panel, and the guide rail is slidably embedded in the sliding groove.

Further, in a preferred embodiment of the present invention, the movable plate includes a first side plate, a second side plate, a third side plate and a fourth side plate, the first side plate, the second side plate, the third side plate and the fourth side plate are arranged in a circumferential array along the fixed plate, and third connecting rods are fixedly disposed at bottoms of the first side plate, the second side plate, the third side plate and the fourth side plate.

Further, in a preferred embodiment of the present invention, the cross section of the fixed plate is rectangular, the movable plate further includes a first angle plate, a second angle plate, a third angle plate and a fourth angle plate, the first angle plate is hinged to the first angle plate, the second angle plate is hinged to the second angle plate, the third angle plate is hinged to the third angle plate, the fourth angle plate is hinged to the fourth angle plate, and the bottom portions of the first angle plate, the second angle plate, the third angle plate and the fourth angle plate are all fixedly provided with a support rotating rod.

The invention has the beneficial effects that:

the size of the table top of the retractable table obtained through the design can be changed according to the use requirement. Namely, in a contraction state, the panel of the desk is a fixed plate, and the size of the desktop of the desk is the area of the fixed plate; when the use area of the table needs to be enlarged, the movable plate hidden at the bottom of the fixed plate can be pulled to horizontally move in the direction away from the supporting seat. In the moving process of the movable plate, the sliding plate is driven to move through the five connecting rods, and the five connecting rods are flush with the fixed plate under the supporting effect of the five connecting rods and are jointly spliced to form a larger table top. When the movable plate moves to the maximum position, the included angle between the first support rod and the second support rod of the locking mechanism is 180 degrees, so that the automatic telescopic mechanism is kept in a locking state, and the movable plate is always kept flush with the fixed plate.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic view of a retractable table according to an embodiment of the present invention in an extended position;

FIG. 2 is a side view of a collapsible table according to an embodiment of the present invention in an extended position;

FIG. 3 is a schematic view of a collapsible table according to an embodiment of the present invention in a collapsed configuration;

fig. 4 is a cross-sectional view of a collapsible table provided in accordance with an embodiment of the present invention in a collapsed position.

The labels in the figure are respectively:

100-a collapsible table; 110-a table; 111-a fixed plate; 112-a movable plate; 112 a-a first sideboard; 112 b-a second sideboard; 112 c-a third sideboard; 112 d-fourth sideboard; 112 e-a first corner panel; 112 f-a second corner panel; 112 g-third set square; 112 h-fourth gusset; 113-a hinge; 114-a support lever; 120-a support base; 121-a base; 122-table legs; 130-an automatic retraction mechanism; 131-a first fixed seat; 131 a-a hollow tunnel; 132-a chute; 133-a slide plate; 133 a-a panel; 133 b-a guide rail; 134-five connecting rods; 134 a-first link; 134 b-a second link; 134 c-third link; 134 d-fourth link; 134 e-a fifth link; 140-a locking mechanism; 141-a second fixed seat; 142-a first brace bar; 143-second brace.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Example 1, as shown in reference to figures 1 to 4,

in the present embodiment, as shown in fig. 1 and 3, the retractable table 100 includes a table top 110, a support base 120, an automatic retracting mechanism 130 and a locking mechanism 140. The automatic retracting mechanism 130 is disposed at the bottom of the table 110, and the usable area of the table 110 can be increased by the automatic retracting mechanism 130. The foldable table 100 can be simply and conveniently changed in size according to the use requirement.

The table plate 110 includes a fixed plate 111 and a movable plate 112, and the movable plate 112 is arranged along a circumferential direction of the fixed plate 111. In the present embodiment, the fixed plate 111 is rectangular, and the movable plate 112 includes four side plates and four corner plates, the length of the four side plates is consistent with the side length of the fixed plate 111, and the four side plates are a first side plate 112a, a second side plate 112b, a third side plate 112c and a fourth side plate 112d which are sequentially arranged. The four corner panels are connected to the side panels by hinges 113 and are rotatable relative to the side panels. Each corner plate is arranged on one side of each side plate, and the width of each corner plate is consistent with that of each side plate. Specifically, the four corner panels include a first corner panel 112e, a second corner panel 112f, a third corner panel 112g, and a fourth corner panel 112 h. The first gusset 112e is hinged to the first gusset 112a, the second gusset 112f is hinged to the second gusset 112b, the third gusset 112g is hinged to the third gusset 112c, and the fourth gusset 112h is hinged to the fourth gusset 112 d. The first, second, third and

fourth gussets

112e, 112f, 112g, 112h are each provided at their bottom with a support lever, which when required to be positioned in fixed relation to the sideboards, is rotated to position the support lever 114 so that its end is below the sideboards, thereby fixing the gussets relative to the sideboards.

When the movable plate 112 is in the retracted state, as shown in fig. 3, the tabletop of the retractable table 100 is the fixed plate 111, four side plates of the movable plate 112 are hidden under the fixed plate 111, and four corner plates are in the vertical state and suspended under the fixed plate 111. When the movable plate 112 is in the extended state, as shown in fig. 1, the table top of the retractable table 100 is a plate body formed by splicing the fixed plate 111 and the movable plate 112, that is, the area of the table top may be a plate body formed by splicing the fixed plate 111, any number (1-4) of side plates and any number (1-4) of corner plates.

The supporting base 120 is disposed at the bottom of the table plate 110, and the supporting base 120 includes a base 121 and a leg 122. In this embodiment, the base 121 is circular and contacts the ground. The legs 122 are disposed between the base 121 and the fixing plate 111.

The automatic retracting mechanism 130 includes a first fixed seat 131, a slide groove 132, a slide plate 133, and a five-link 134. The first fixing seat 131 is disposed at the bottom of the fixing plate 111, the first fixing seat 131 is rectangular, and the leg 122 is located at the center of the first fixing seat 131. The first fixing seat 131 is provided with 4 sliding grooves 132 therein, and the axes of the sliding grooves 132 are perpendicular to each other. The sliding plate 133 is disposed in the first fixing seat 131 and is drawn out from the first fixing seat 131 under the action of an external force. Specifically, the sliding plate 133 includes a panel 133a and a guide rail 133b, and the guide rail 133b is fixedly disposed at the bottom of the panel 133a and slidably embedded in the sliding groove 132.

The movable plate 112 is connected to the first fixing seat 131 and the panel 133a through a five-bar linkage 134. When the movable plate 112 moves, the panel 133a is driven by the five-bar linkage 134 to move relative to the first fixing seat 131. Specifically, the five link 134 includes a first link 134a, a second link 134b, a third link 134c, a fourth link 134d, and a fifth link 134e, which are hinged in this order. One end of the first link 134a is connected to the free end of the panel 133a, the third link 134c is fixedly disposed at the bottom of the movable plate 112, and one end of the fifth link 134e is fixedly connected to the first fixing seat 131.

When the movable plate 112 is pulled, the movable plate 112 drives the sliding plate 133 to move relative to the sliding slot 132 through the five-link 134. Specifically, the movable plate 112 moves, and the position of the third link 134c is changed, thereby changing the angle between the first link 134a and the second link 134b, and changing the angle between the fourth link 134d and the fifth link 134 e.

When the retractable table 100 is in the retracted state, as shown in fig. 3 and 4, the included angle between the first link 134a and the second link 134b and the included angle between the fourth link 134d and the fifth link 134e of the five links 134 are acute angles, and the fourth link 134d and the fifth link 134e penetrate through the hollow hole 131a formed in the first fixing seat 131. When the retractable table 100 is in the unfolded state, as shown in fig. 1 and 2, the included angle between the fourth link 134d and the fifth link 134e is 180 degrees, and the included angle between the first link 134a and the second link 134b is an obtuse angle. At this time, under the supporting action of the five-link 134, the movable plate 112 moves upwards and is flush with the fixed plate 111, and a larger table top is formed by splicing together.

The locking mechanism 140 includes a second fixing seat 141, a first stay 142, and a second stay 143. The second fixing seat 141 is fixedly disposed on the supporting seat 142, that is, the second fixing seat 141 is disposed between the first fixing seat 131 and the base 121, and the leg 122 is located at the center of the second fixing seat 132. The first stay bar 142 is hinged to the second stay bar 143, the first stay bar 142 is fixedly connected to the second fixing seat 141, and the second stay bar 143 is fixedly connected to the free end of the sliding plate 133. When the sliding plate 133 is accommodated in the first fixing seat 131, the first supporting rod 142 and the second supporting rod 143 are folded; when the sliding plate 133 is pulled out from the first fixing seat 131, an included angle between the first supporting rod 142 and the second supporting rod 143 is 180 degrees, so that the automatic telescopic mechanism maintains a locked state, and the movable plate is always kept flush with the fixed plate.

The retractable table 100 provided by the embodiment can expand the size of the table top by pulling any movable plate hidden under the fixed plate 111, so as to meet the use requirements of different scenes.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A retractable table is characterized by comprising a table plate, a supporting seat, an automatic telescopic mechanism and a locking mechanism;

the table plate comprises a fixed plate and movable plates circumferentially arranged along the fixed plate, and the supporting seat is arranged at the bottom of the table plate;

the locking mechanism comprises a second fixed seat, a first support rod and a second support rod, the second fixed seat is fixedly arranged on the supporting seat, the first support rod is hinged with the second support rod, the first support rod is fixedly connected with the second fixed seat, and the second support rod is fixedly connected with the free end of the sliding plate;

the slide includes the panel with set up perpendicularly in the guide rail of panel bottom, the guide rail slides to inlay and locates in the spout.

2. The retractable table as claimed in claim 1, wherein the movable plate comprises a first side plate, a second side plate, a third side plate and a fourth side plate, the first side plate, the second side plate, the third side plate and the fourth side plate are arranged along the circumferential array of the fixed plate, and a third connecting rod is fixedly arranged at the bottom of each of the first side plate, the second side plate, the third side plate and the fourth side plate.

3. The retractable table according to claim 2, wherein the fixed plate has a rectangular cross section, the movable plate further comprises a first corner plate, a second corner plate, a third corner plate and a fourth corner plate, the first corner plate is hinged to the first corner plate, the second corner plate is hinged to the second corner plate, the third corner plate is hinged to the third corner plate, the fourth corner plate is hinged to the fourth corner plate, and support rotary rods are fixedly arranged at the bottoms of the first corner plate, the second corner plate, the third corner plate and the fourth corner plate.