CN212233585U

CN212233585U - Desktop expansion supporting plate

Info

Publication number: CN212233585U
Application number: CN201922103033.XU
Authority: CN
Inventors: 程燃
Original assignee: Hubei Qiaomusen Furniture Co ltd
Current assignee: Hubei Qiaomusen Furniture Co ltd
Priority date: 2020-10-14
Filing date: 2020-10-14
Publication date: 2020-12-29
Anticipated expiration: 2030-10-14

Abstract

The invention discloses a desktop expansion supporting plate which comprises an expansion plate arranged on a desktop in parallel and a fixing sleeve sleeved on a desk leg, wherein a second threaded through hole is formed in one side of the fixing sleeve, a second bolt is in threaded connection with the fixing sleeve at the second threaded through hole, an extending mechanism is fixedly connected to one side of the fixing sleeve, a lifting mechanism is fixedly connected to one side, far away from the second bolt, of the top end of the extending mechanism, the expansion plate is fixedly connected with the lifting mechanism, the extending mechanism comprises a second rod sleeve, the second rod sleeve is fixedly connected to one side of the fixing sleeve, an extending rod is arranged inside the second rod sleeve, and a first threaded through hole is formed in one side, far away from the fixing sleeve, of the top end of the second rod sleeve. Through setting up lifter and extension rod, let the position of dilatation desktop can freely be adjusted to be applicable to the desk of different grade type, let the use of device not receive the appearance or the influence of volume of target desk, strengthen the holistic practicality of device.

Description

Desktop expansion supporting plate

Technical Field

The invention relates to the technical field of desktop expansion devices, in particular to a desktop expansion supporting plate.

Background

The area of the table top of the existing table is fixed after the existing table is manufactured, and the table with a part of capacity expansion can achieve the effect of capacity expansion, but is also a specific table and cannot be applied to other tables.

Through search, chinese patent application No. CN01221166.4 discloses a tree-shaped expandable dining table, which comprises a hollow cylinder, a supporting arm, an asbestos screen plate or a double-layer platform plate or a palm-shaped supporting rod, wherein the supporting arm and the double-layer platform plate can be used for holding a plurality of dishes or decorations, and the supporting rod can also be used for holding dishes. The method has the outstanding characteristics that: the dish can be supported on the table top in a three-dimensional layered manner. The dining table is convenient and simple to install, good in stability, easy to disassemble and easy to clean, and is suitable for various catering places and families. In the above patent, although the table top area of the table can be enlarged, the table is limited to a specific table, and cannot be applied to any table.

Disclosure of Invention

The invention aims to solve the defect that the device for enlarging the area of a table top in the prior art is not suitable for various tables, and provides a table top expansion supporting plate.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a desktop expansion layer board, includes and locates the fixed cover of table leg in the dilatation board and the cover of desktop, second screw thread through-hole has been seted up to one side of fixed cover, and fixed cover has the second bolt at second screw thread through-hole department threaded connection, one side fixedly connected with of fixed cover extends the mechanism, one side fixedly connected with lifting mechanism of second bolt is kept away from on the top of extending the mechanism, dilatation board and lifting mechanism fixed connection.

Further, it includes the second rod cover to extend the mechanism, second rod cover fixed connection is in one side of fixed cover, and the inside of second rod cover is equipped with the extension rod, and the top of second rod cover is kept away from one side of fixed cover and has been seted up first screw thread through-hole, second rod cover has first bolt in first screw thread through-hole department threaded connection.

Further, lifting mechanism includes first rod cover, one side of fixed cover is kept away from on first rod cover fixed connection in the top of extension rod, and the bottom inner wall of first rod cover rotates and is connected with the axis of rotation, the top fixedly connected with threaded rod of axis of rotation, the outside threaded connection of threaded rod has the lifter, the lifter is in the inside of first rod cover, and the top and the dilatation board fixed connection of lifter.

Further, circular through-hole has been seted up to one side bottom of first rod cover, first rod cover rotates in circular through-hole department and is connected with the dwang, the dwang runs through first rod cover in circular through-hole department, and the dwang is in the inside one end of first rod cover and has first bevel gear through the key connection, the outside of axis of rotation has second bevel gear through the key-type connection, second bevel gear and the meshing of first bevel gear, the other end fixedly connected with knob of dwang.

Further, the inner walls of the two sides of the first rod sleeve are provided with strip-shaped sliding grooves, the two sides of the lifting rod are fixedly connected with clamping blocks, and the clamping blocks are matched with the strip-shaped sliding grooves.

Further, one side bottom fixedly connected with line box that first rod cover is close to fixed cover, fixedly connected with dead lever between the top inner wall of line box and the bottom inner wall, the outside cover of dead lever is equipped with rotates the cover, rotate fixedly connected with clockwork spring between cover and the dead lever.

Further, one side bottom fixedly connected with rigidity line of rotating the cover, circular through-hole has been seted up to one side bottom of line box, the rigidity line extends to the outside of line box at circular through-hole department, and the rigidity line is in the outside one end of line box and the top fixed connection of table leg.

The invention has the beneficial effects that:

1. through setting up lifter and extension rod, let the position of dilatation desktop can freely be adjusted to be applicable to the desk of different grade type, let the use of device not receive the appearance or the influence of volume of target desk, strengthen the holistic practicality of device.

2. Through setting up fixed cover and second bolt, can be with device whole fixed in on the table leg, and fixed and the table leg position and the height all can be selected freely according to the circumstances.

3. Through setting up the line box, can draw out the rigidity line from the line box, tie the rigidity line and can further strengthen the stability of device on the table leg, avoid appearing the condition that the device is fixed unstably and collapses.

Drawings

FIG. 1 is a cross-sectional view of a desktop expansion pallet as set forth in example 1;

FIG. 2 is a top view of a first set of rods of a desktop expansion pallet as set forth in example 1;

FIG. 3 is an enlarged view of portion A of FIG. 1;

FIG. 4 is a cross-sectional view of a desktop expansion pallet as set forth in example 2;

FIG. 5 is an enlarged view of portion B of FIG. 4;

fig. 6 is a top view of a rotating sleeve of the desktop expansion pallet proposed in embodiment 2.

In the figure: the expansion plate comprises a capacity expansion plate 1, a lifting rod 2, a first rod sleeve 3, a threaded rod 4, an extension rod 5, a first bolt 6, a second rod sleeve 7, a second bolt 8, a fixing sleeve 9, a clamping block 10, a knob 11, a rotating rod 12, a first bevel gear 13, a rotating shaft 14, a second bevel gear 15, a fixing rod 16, a baffle 17, a rotating sleeve 18, a wire box 19, a rigid wire 20 and a clockwork spring 21.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Example 1

Referring to fig. 1-3, a desktop dilatation layer board includes dilatation board 1 and the fixed cover 9 of cover locating the table leg in parallel at the desktop, and second screw through-hole has been seted up to one side of fixed cover 9, and fixed cover 9 has second bolt 8 at second screw through-hole department threaded connection, and one side fixedly connected with of fixed cover 9 extends the mechanism, and one side fixedly connected with lifting mechanism of second bolt 8 is kept away from on the top of extending the mechanism, dilatation board 1 and lifting mechanism fixed connection.

The extension mechanism comprises a second rod sleeve 7, the second rod sleeve 7 is fixedly connected to one side of a fixed sleeve 9, an extension rod 5 is arranged inside the second rod sleeve 7, a first threaded through hole is formed in one side, far away from the fixed sleeve 9, of the top end of the second rod sleeve 7, a first bolt 6 is in threaded connection with the second rod sleeve 7 at the first threaded through hole, the lifting mechanism comprises a first rod sleeve 3, the first rod sleeve 3 is fixedly connected to one side, far away from the fixed sleeve 9, of the top end of the extension rod 5, a rotating shaft 14 is rotatably connected to the inner wall of the bottom end of the first rod sleeve 3, a threaded rod 4 is fixedly connected to the top end of the rotating shaft 14, a lifting rod 2 is in threaded connection with the outer portion of the threaded rod 4, the lifting rod 2 is located inside the first rod sleeve 3, the top end of the lifting rod 2 is fixedly connected with the expansion plate 1, a circular through hole is formed in the bottom end of one side of the first, dwang 12 runs through first rod cover 3 in circular through-hole department, and dwang 12 has first bevel gear 13 through the key connection in the inside one end of first rod cover 3, there is second bevel gear 15 outside of axis of rotation 14 through the key connection, second bevel gear 15 and the meshing of first bevel gear 13, the other end fixedly connected with knob 11 of dwang 12, the bar spout has been seted up to the both sides inner wall of first rod cover 3, the both sides fixedly connected with fixture block 10 of lifter 2, fixture block 10 and bar spout looks adaptation.

The working principle is as follows: when the device is used, firstly, the fixing sleeve 9 is sleeved outside the table legs, then the second bolt 8 is screwed to fix the fixing sleeve 9, then the extending mechanism is adjusted according to the distance between the edge of the table top and the table legs, firstly, the extending rod 5 is pulled to a certain position, then, the first bolt 6 is screwed to fix the position of the extending rod 5, then, the lifting mechanism is adjusted according to the height of the table top, firstly, the knob 11 is rotated, the knob 11 drives the first bevel gear 13 to rotate through the rotating rod 12, the first bevel gear 13 drives the rotating shaft 14 to rotate through the second bevel gear 15, the rotating shaft 14 drives the lifting rod 2 to ascend through the threaded rod 4, in the process, the clamping block 10 limits the rotation of the first rod sleeve 3, so the lifting rod 2 can ascend or descend, and the expansion of the table top is completed after the.

Example 2

Referring to fig. 4-6, in order to further improve the stability of the device, in this embodiment, compared with embodiment 1, a first rod sleeve 3 is fixedly connected with a wire box 19 at the bottom end of one side close to a fixed sleeve 9, a fixed rod 16 is fixedly connected between the inner wall of the top end and the inner wall of the bottom end of the wire box 19, a rotating sleeve 18 is sleeved outside the fixed rod 16, a clockwork spring 21 is fixedly connected between the rotating sleeve 18 and the fixed rod 16, a rigid wire 20 is fixedly connected with the bottom end of one side of the rotating sleeve 18, a circular through hole is formed at the bottom end of one side of the wire box 19, the rigid wire 20 extends to the outside of the wire box 19 at the circular through hole, and one end of the rigid wire 20.

When the stability of the device is further enhanced, the rigid wire 20 is pulled out from the wire box 19, then the rigid wire 20 is fixed at the top end of the table leg, when the device is stored, the rigid wire 20 is only required to be taken down from the table leg, and the spring 21 can enable the rotating sleeve 18 to rotate through self elastic deformation, so that the rigid wire 20 is stored.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides a desktop dilatation layer board, locates fixed cover (9) of table leg including dilatation board (1) and the cover that parallels in the desktop, its characterized in that, second screw thread through-hole has been seted up to one side of fixed cover (9), and fixed cover (9) have second bolt (8) at second screw thread through-hole department threaded connection, one side fixedly connected with of fixed cover (9) extends the mechanism, one side fixedly connected with lifting mechanism of second bolt (8) is kept away from on the top of extending the mechanism, dilatation board (1) and lifting mechanism fixed connection.

2. The desktop dilatation supporting plate of claim 1, wherein the extension mechanism comprises a second rod sleeve (7), the second rod sleeve (7) is fixedly connected to one side of the fixed sleeve (9), an extension rod (5) is arranged inside the second rod sleeve (7), a first threaded through hole is formed in one side, away from the fixed sleeve (9), of the top end of the second rod sleeve (7), and a first bolt (6) is connected to the first threaded through hole in the second rod sleeve (7) in a threaded mode.

3. The desktop capacity expansion supporting plate according to claim 1, wherein the lifting mechanism comprises a first rod sleeve (3), the first rod sleeve (3) is fixedly connected to one side, away from the fixing sleeve (9), of the top end of the extension rod (5), a rotating shaft (14) is rotatably connected to the inner wall of the bottom end of the first rod sleeve (3), a threaded rod (4) is fixedly connected to the top end of the rotating shaft (14), a lifting rod (2) is connected to the outer portion of the threaded rod (4) in a threaded manner, the lifting rod (2) is located inside the first rod sleeve (3), and the top end of the lifting rod (2) is fixedly connected with the capacity expansion plate (1).

4. The desktop expansion supporting plate according to claim 3, wherein a round through hole is formed in the bottom end of one side of the first rod sleeve (3), the first rod sleeve (3) is rotatably connected with a rotating rod (12) at the round through hole, the rotating rod (12) penetrates through the first rod sleeve (3) at the round through hole, one end of the rotating rod (12) inside the first rod sleeve (3) is connected with a first bevel gear (13) through a key, a second bevel gear (15) is connected with the outside of the rotating shaft (14) through a key, the second bevel gear (15) is meshed with the first bevel gear (13), and a knob (11) is fixedly connected to the other end of the rotating rod (12).

5. The desktop dilatation supporting plate according to claim 4, characterized in that the inner walls of the two sides of the first rod sleeve (3) are provided with strip-shaped sliding grooves, the two sides of the lifting rod (2) are fixedly connected with clamping blocks (10), and the clamping blocks (10) are matched with the strip-shaped sliding grooves.

6. A desktop dilatation supporting plate according to claim 3 or 4 or 5 characterized in that the first rod sleeve (3) is fixedly connected with a wire box (19) at the bottom end of the side close to the fixed sleeve (9), a fixed rod (16) is fixedly connected between the inner wall of the top end and the inner wall of the bottom end of the wire box (19), the fixed rod (16) is sleeved with a rotating sleeve (18), and a clockwork spring (21) is fixedly connected between the rotating sleeve (18) and the fixed rod (16).

7. A desktop expansion supporting plate according to claim 6, characterized in that a rigid line (20) is fixedly connected to the bottom end of one side of the rotating sleeve (18), a circular through hole is opened at the bottom end of one side of the wire box (19), the rigid line (20) extends to the outside of the wire box (19) at the circular through hole, and the end of the rigid line (20) outside the wire box (19) is fixedly connected to the top end of the desk leg.