阅读说明：本技术 一种办公桌的升降装置 (Lifting device of office table ) 是由 陈卫平 许志豪 于 2019-09-11 设计创作，主要内容包括：本发明涉及一种办公桌的升降装置,包括桌板和用于支撑桌板的支柱,支柱具有可伸缩的两个部分,包括可相对上下移动的固定部分和活动部分,桌板设置在活动部分上,活动部分通过横向限制装置安装在固定部分上,固定部分与活动部分之间设有升降组件和滑移组件。本发明通过在固定柱上设置滑移组件,活动柱在移动过程中仅与导轮接触,由滑动摩擦改变为滚动摩擦,大大减小了活动柱移动时的阻力,使桌板升降更为顺畅；升降组件的端部与活动柱的连接方式为铰接,防止升降组件的伸缩方向与活动柱的移动方向不重合而导致活动柱移动时卡滞或卡死；连接座与活动柱之间设置缓冲块,防止升降组件在启动时产生较大的冲击力导致升降组件变形。(The invention relates to a lifting device of an office table, which comprises a table plate and a support post for supporting the table plate, wherein the support post is provided with two telescopic parts, namely 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 device, and a lifting assembly and a sliding assembly are arranged between the fixed part and the movable part. According to the invention, the sliding component is arranged on the fixed column, the movable column is only contacted with the guide wheel in the moving process, and 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.)

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.

Technical Field

The invention relates to the technical field of office work, in particular to a lifting device of an office table.

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.

Disclosure of Invention

The invention aims to provide a lifting device of an office table, which has the characteristics of large bearing capacity, stable lifting and low noise.

The above object of the present invention is 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 invention has the following beneficial effects:

1. According to the invention, the sliding component is arranged on the fixed column, the movable column is only contacted with the guide wheel in the moving process, and 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 view of a strut in an embodiment of the invention;

FIG. 3 is a schematic structural view of a glide assembly in 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 of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.