CN211065473U

CN211065473U - Lifting device of office table

Info

Publication number: CN211065473U
Application number: CN201921503028.1U
Authority: CN
Inventors: 陈卫平; 许志豪
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-09-11
Filing date: 2019-09-11
Publication date: 2020-07-24
Anticipated expiration: 2029-09-11

Abstract

The utility model relates to a lifting device of desk, including the table with be used for supporting the pillar of table, the pillar has two parts of telescopic, including the fixed part and the movable part that can reciprocate relatively, the table sets up on the movable part, and the movable part is installed on the fixed part through horizontal limiting device, is equipped with lifting unit and the subassembly that slides between fixed part and the movable part. The sliding component is arranged on the fixed column, the movable column is only contacted with the guide wheel in the moving process, and the sliding friction is changed into rolling friction, so that the resistance of the movable column in moving is greatly reduced, and the table board can be lifted more smoothly; the end part of the lifting component is hinged with the movable column, so that the movable column is prevented from being blocked or deadly when moving due to the fact that the telescopic direction of the lifting component is not coincident with the moving direction of the movable column; set up the buffer block between connecting seat and the activity post, prevent that lifting unit from producing great impact force when starting and leading to lifting unit to warp.

Description

Lifting device of office table

Technical Field

The utility model relates to an official working technical field, in particular to elevating gear of desk.

Background

The desk is a necessary furniture for modern people, wherein, for the desk in an office, a functional design according to the work requirement is often necessary due to the work requirement, for example, a lifting effect is required.

For example: the utility model patent of china utility model with application number 201720332838.X discloses a lifting table structure, which comprises a table top and a table foot frame connected to the bottom surface of the table top; the table foot frame is provided with fixed feet, movable feet inserted in the fixed feet and telescopic rods arranged in the fixed feet and the movable feet, one end of each movable foot is connected with a table top, the other end of each movable foot is sleeved with a first positioning external member and inserted in the fixed feet, an end cap of each fixed foot, through which the movable feet are inserted, is provided with a second positioning external member, the first positioning external member is provided with embedding holes at least on two sides, embedding pieces are embedded on the embedding holes, and the first positioning external member and the second positioning external member are in point contact with the movable feet and the wall surfaces of the fixed feet through the embedding pieces.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a lifting device of desk has that the bearing capacity is big, the lift is stable, the noise is low characteristics.

The above object of the present invention can be achieved by the following technical solutions: a lifting device of an office table comprises a table plate and a support post used for supporting the table plate, wherein the support post is provided with two telescopic parts comprising a fixed part and a movable part which can move up and down relatively, the table plate is arranged on the movable part, the movable part is arranged on the fixed part through a transverse limiting structure, a lifting assembly and a sliding assembly are arranged between the fixed part and the movable part, the lifting assembly is used for pushing the movable part to move, and the sliding assembly is used for reducing the moving resistance when the movable part moves up and down.

Preferably, the fixed portion be the fixed column, the movable portion be the activity post, horizontal restriction structure is the trepanning, the activity post passes through the trepanning suit in the outside of fixed column.

Preferably, the sliding assemblies are arranged on four side surfaces of the fixed column, each side surface is at least provided with four groups of sliding assemblies, and the four groups of sliding assemblies are distributed in a vertical pairwise manner.

Preferably, the sliding assembly comprises a guide wheel and a rotating shaft, and the guide wheel is rotatably mounted on the fixed column through the rotating shaft.

Preferably, the fixed column is provided with an installation opening, the guide wheel is located in the installation opening, and a part of the guide wheel is located on the outer side of the fixed column and is in contact with the inner wall of the movable column.

Preferably, a mounting seat is arranged in the mounting hole, and the rotating shaft is detachably mounted on the mounting seat.

Preferably, a clamping groove is formed in the mounting seat, two ends of the rotating shaft are clamped in the clamping groove, an opening of the clamping groove faces the outer side of the fixed column, and a protruding portion for preventing the rotating shaft from being separated from the clamping groove is arranged at an opening of the clamping groove.

Preferably, the lifting component is a lifting motor, and one end of the lifting component is connected to the fixed part, and the other end of the lifting component is connected to the movable part.

Preferably, at least one end of the lifting component is provided with a connecting seat, and the connecting seat is hinged to the end part of the lifting component and fixedly connected to the movable part.

Because there is the error during the installation, lifting unit's flexible direction and the not necessary coincidence of moving direction of activity post, the jamming or the card is dead when leading to the activity post to remove this moment easily, consequently avoids taking place above-mentioned condition through connecting seat and lifting unit hinge.

Preferably, a gap is formed at the joint of the connecting seat and the movable part, a buffer block is arranged in the gap, and vibration generated during lifting is reduced by the buffer block.

The utility model discloses following beneficial effect has:

1. the sliding component is arranged on the fixed column, the movable column is only contacted with the guide wheel in the moving process, and the sliding friction is changed into rolling friction, so that the resistance of the movable column during lifting is greatly reduced, the table plate is lifted more smoothly and stably, and the noise during lifting is reduced;

2. the bearing capacity is large, the four side surfaces of the fixed column are propped against the inner wall of the movable column through the guide wheels, the movable column can be stably supported when bearing large weight, and the movable column is prevented from shaking;

3. set up the buffer block between connecting seat and the activity post, prevent that lifting unit from producing great impact force when starting and leading to lifting unit to warp and influence the normal removal of activity post.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a support pillar according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a sliding assembly according to an embodiment of the present invention;

in the figure: the device comprises a base 1, a table 2, a support 3, a movable column 31, a sleeve hole 311, a fixed column 32, a mounting opening 321, a lifting assembly 33, a connecting seat 34, a buffer block 35, an upper outer cover 36, a lower outer cover 37, a wire supporting cover 38, a sliding assembly 4, a guide wheel 41, a rotating shaft 42, a mounting seat 43 and a boss 44.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all the embodiments are protected by patent laws within the scope of the claims of the present invention.

Example (b): as shown in fig. 1, 2 and 3, a lifting device for an office table comprises a table board 2 and a support column 3 for supporting the table board 2, wherein the support column 3 has two telescopic parts, including a fixed part and a movable part which can move up and down relatively, the fixed part is a fixed column 32, the movable part is a movable column 31, and the cross sections of the fixed column 32 and the movable column 31 are formed into geometric shapes. The lower end of the fixed column 32 is fixed on the base 1 below, and the table plate 2 is fixed on the upper end of the movable column 31. The movable column 31 is mounted on the fixed column 32 through a transverse limiting structure, the transverse limiting structure is a sleeve hole 311, and the movable column 31 is sleeved on the outer side of the fixed column 32 through the sleeve hole 311.

One side of the movable column 31 is provided with a wire releasing groove, and a wire clamp for fixing a cable is fixedly arranged in the wire releasing groove. The wire discharge groove is provided with an upper outer cover 36 and a lower outer cover 37, and the upper outer cover 36 is positioned at the upper end of the movable column 31 and fixed on the movable column 31. The lower end of the lower outer cover 37 is fixedly arranged on the base 1, and the upper end is sleeved outside the upper outer cover 36. Flanges are arranged on two sides of the lower outer cover 37, and roller wheels are clamped on the front side and the rear side of the flanges and are rotatably arranged in the wire placing groove. When the movable column 31 moves up and down, the upper outer cover 36 moves along with the movable column 31 and keeps fixed, and the wire supporting cover 38 is fixed below the table board 2 to prevent the cables in the wire placing groove from being exposed.

A lifting component 33 and a sliding component 4 are arranged between the fixed column 32 and the movable column 31, and the lifting component 33 is positioned in the cavity of the fixed column 32 and used for pushing the movable column 31 to move up and down. The lifting component 33 is a lifting motor, the lower end of the lifting component 33 is connected to the lower part of the fixed column 32, and the upper end of the lifting component is connected to the inner top of the movable column 31.

The sliding assembly 4 is located between the side wall of the fixed column 32 and the inner wall of the movable column 31 for reducing the moving resistance when the movable column 31 moves up and down.

At least one end of the lifting assembly 33 is provided with a connecting base 34, and the connecting base 34 is hinged to the end of the lifting assembly 33. As shown in fig. 2, in the embodiment, two ends of the lifting assembly 33 are hinged with connecting seats 34, wherein the connecting seat 34 at the upper end is fixed on the inner top of the movable column 31, and the connecting seat 34 at the lower end is fixed in the fixed column 32. Wherein, the connecting seat 34 of upper end has the clearance with the junction of movable part, is provided with buffer block 35 in the clearance, and buffer block 35 adopts the block rubber, and the block rubber is for fixing the up end at connecting seat 34.

Four side faces of the fixing column 32 are provided with mounting ports 321, each mounting port 321 is internally provided with a sliding component 4, each side face is at least provided with four groups of sliding components 4, and the four groups of sliding components 4 are distributed in a vertical pairwise manner. In this embodiment, the number of the sliding assemblies 4 is 16, four sets of the sliding assemblies 4 are provided on each side surface of the fixing column 32, the four sets of the sliding assemblies 4 are divided into an upper layer and a lower layer, and each layer is provided with two sets of the sliding assemblies 4.

As shown in fig. 3, the sliding assembly 4 includes a guide wheel 41 and a rotating shaft 42, and the guide wheel 41 is rotatably mounted on the fixed column 32 through the rotating shaft 42. The guide wheel 41 is positioned in the mounting opening 321, and a part of the guide wheel 41 is positioned outside the fixed column 32 and contacts with the inner wall of the movable column 31. The mounting hole 321 is provided therein with a mounting seat 43, and the rotating shaft 42 is detachably mounted on the mounting seat 43. Be provided with the draw-in groove on the mount pad 43, the both ends joint of pivot 42 is in the draw-in groove, and the opening of draw-in groove is towards the outside of fixed column 32, and the opening part of draw-in groove is provided with the bellying 44 that prevents pivot 42 and break away from the draw-in groove, and bellying 44 is the arc structure, has both played the restriction to pivot 42 and has blockked the effect, makes things convenient for pivot 42's dismouting again.

Claims

1. A lifting device for desks, comprising a desk plate (2) and a support (3) for supporting the desk plate (2), characterized in that: the supporting column (3) is provided with two telescopic parts, and comprises a fixed part and a movable part which can move up and down relatively, the table plate (2) is arranged on the movable part, the movable part is arranged on the fixed part through a transverse limiting structure, a lifting component (33) and a sliding component (4) are arranged between the fixed part and the movable part, the lifting component (33) is used for pushing the movable part to move, and the sliding component (4) is used for reducing the moving resistance when the movable part moves up and down.

2. A desk lifting device as claimed in claim 1, wherein: the fixed part be fixed column (32), the movable part be activity post (31), horizontal restriction structure be trepanning (311), activity post (31) pass through trepanning (311) suit in the outside of fixed column (32).

3. A desk lifting device as claimed in claim 2, wherein: the sliding assemblies (4) are arranged on four side faces of the fixed column (32), each side face is at least provided with four groups of sliding assemblies (4), and the four groups of sliding assemblies (4) are distributed in a vertically pairwise manner.

4. A desk lifting device as claimed in claim 3, wherein: the sliding assembly (4) comprises a guide wheel (41) and a rotating shaft (42), and the guide wheel (41) is rotatably mounted on the fixed column (32) through the rotating shaft (42).

5. An office table lifting device according to claim 4, wherein: the fixed column (32) is provided with an installation opening (321), the guide wheel (41) is located in the installation opening (321), and one part of the guide wheel (41) is located on the outer side of the fixed column (32) and is in contact with the inner wall of the movable column (31).

6. An office table lifting device according to claim 5, wherein: a mounting seat (43) is arranged in the mounting opening (321), and the rotating shaft (42) is detachably mounted on the mounting seat (43).

7. An office table lifting device according to claim 6, wherein: the mounting seat (43) is provided with a clamping groove, the two ends of the rotating shaft (42) are clamped in the clamping groove, the opening of the clamping groove faces the outer side of the fixing column (32), and a protruding portion (44) for preventing the rotating shaft (42) from being separated from the clamping groove is arranged at the opening of the clamping groove.

8. A desk lifting device as claimed in claim 2, wherein: the lifting component (33) is a lifting motor, one end of the lifting component (33) is connected to the fixed part, and the other end of the lifting component is connected to the movable part.

9. An office table lifting device according to claim 8, wherein: at least one end of the lifting component (33) is provided with a connecting seat (34), and the connecting seat (34) is hinged to the end part of the lifting component (33) and fixedly connected to the movable part.

10. A desk lifting device as recited in claim 9 wherein: a gap is formed at the joint of the connecting seat (34) and the movable part, and a buffer block (35) is arranged in the gap.