CN218008674U

CN218008674U - Cantilever lifting mechanism of lifting table

Info

Publication number: CN218008674U
Application number: CN202221841758.4U
Authority: CN
Inventors: 陈向林; 于伟群; 冯玉刚
Original assignee: Wuhu Aiguole Intelligent Technology Co ltd
Current assignee: Wuhu Aiguole Intelligent Technology Co ltd
Priority date: 2022-07-18
Filing date: 2022-07-18
Publication date: 2022-12-13
Anticipated expiration: 2032-07-18

Abstract

The application provides a lifting table cantilever lifting mechanism, which comprises a cantilever assembly, a frame assembly and a locking assembly, wherein the cantilever assembly comprises a left double cantilever, a right double cantilever, a cantilever fixing plate and a movable plate fixing plate; the frame assembly is used for connecting the left double-cantilever and the right double-cantilever; the locking assembly is used for limiting the rotation of the frame assembly. The cantilever assembly is arranged, so that the movable plate can be borne and lifted; by arranging the frame assembly, the suspension arm assemblies on the left and right sides can be connected into a whole frame; through setting up the locking Assembly, can restrict the rotation of frame subassembly to the realization is to the locking of fly leaf position. The mechanism is simple in overall structure, and can ensure the stability of the structure while realizing the lifting and overturning of the movable plate.

Description

Cantilever lifting mechanism of lifting table

Technical Field

The utility model relates to a lift table elevation structure especially relates to a lift table cantilever elevating system.

Background

In order to adapt to different heights, the existing learning table is generally provided with a liftable movable table board. The desktop plate is lifted and turned over by generally adopting a cantilever structure through the expansion of a gas spring in the market at present, but the whole frame structure is generally more complex and high in manufacturing cost, and the stability and the price of the whole frame structure are in direct proportion. To improve the stability of the boom hoist structure, the fit clearance is usually eliminated by riveting, but this can lead to difficulties in subsequent maintenance and disassembly.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lift table cantilever elevating system, its connection cooperation that utilizes each subassembly realizes the lift of desktop board to can guarantee the stability of structure.

The following presents a simplified summary of one or more aspects in order to provide a basic understanding of such aspects. This summary is not an extensive overview of all contemplated aspects, and is intended to neither identify key or critical elements of all aspects nor delineate the scope of any or all aspects. Its sole purpose is to present some concepts of one or more aspects in a simplified form as a prelude to the more detailed description that is presented later.

According to an aspect of the utility model, a lift table cantilever elevating system is provided, include:

the cantilever assembly comprises a left double cantilever, a right double cantilever, a cantilever fixing plate and a movable plate fixing plate, wherein two ends of the left double cantilever and the right double cantilever are respectively hinged with the cantilever fixing plate and the movable plate fixing plate, the movable plate fixing plate is connected with a movable plate of the lifting table, and the cantilever fixing plate is connected with a fixed part of the lifting table;

the frame assembly is used for connecting the left double-cantilever and the right double-cantilever; and

a locking assembly for limiting rotation of the frame assembly.

In an embodiment, the left and right double cantilevers each include an inner cantilever connected to an inner side of the cantilever fixing plate and the movable plate fixing plate and an outer cantilever connected to an outer side of the cantilever fixing plate and the movable plate fixing plate.

In one embodiment, the inner cantilever and the outer cantilever are hinged to the cantilever fixing plate and the movable plate fixing plate through fixing screws and locknuts.

In one embodiment, POM gaskets are arranged between the locknut and the inner cantilever, between the inner cantilever and the movable plate fixing piece, and between the inner cantilever and the cantilever fixing piece; the fixing screw with between the outside cantilever, the outside cantilever with between the fly leaf stationary blade, the outside cantilever with all be provided with the POM gasket between the cantilever stationary blade.

In one embodiment, the POM gaskets between the outer cantilever and the cantilever fixing plate and between the outer cantilever and the movable plate fixing plate are thickened gaskets.

In one embodiment, the frame assembly includes a boom adjustment beam connecting the inboard booms on both left and right sides.

In one embodiment, the locking assembly comprises a cantilever lifting gas spring and a cantilever mechanism adjusting piece, the cantilever mechanism adjusting piece is fixedly sleeved on the cantilever adjusting beam, one end of the cantilever lifting gas spring is hinged with the cantilever mechanism adjusting piece, and the other end of the cantilever lifting gas spring abuts against a fixed part of the lifting table.

In one embodiment, a pneumatic switch is arranged on the lower surface of the movable plate and connected with the cantilever lifting gas spring through a gas circuit.

In one embodiment, the frame assembly further comprises a movable plate adjusting beam, the movable plate adjusting beam is connected with the movable plate fixing pieces on the left side and the right side, and the movable plate adjusting beam is connected with the movable plate through a hinge.

In one embodiment, the locking assembly further comprises a movable plate adjusting gas spring, the movable plate adjusting gas spring is mounted on the lower surface of the movable plate, one end of the movable plate adjusting gas spring abuts against the movable plate adjusting beam, and the other end of the movable plate adjusting gas spring is fixedly connected with the movable plate.

The embodiment of the utility model provides a beneficial effect is: the cantilever assembly is arranged, so that the movable plate can be borne and lifted; by arranging the frame assembly, the suspension arm assemblies on the left side and the right side can be connected into a whole frame; through setting up the locking Assembly, can restrict the rotation of frame subassembly to the realization is to the locking of fly leaf position. The whole structure of the mechanism is simple, and the stability of the structure can be ensured while the movable plate is lifted.

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.

The above features and advantages of the present invention will be better understood upon reading the detailed description of embodiments of the present disclosure in conjunction with the following drawings. In the drawings, components are not necessarily drawn to scale, and components having similar relative characteristics or features may have the same or similar reference numerals.

FIG. 1 is a schematic diagram of an application scenario of an embodiment of the present application;

FIG. 2 is a schematic view of a first perspective structure (mounted on a lifting table) according to an embodiment of the present application;

FIG. 3 is a second perspective view of an embodiment of the present application (with the cantilever adjustment beam hidden);

FIG. 4 is a third perspective view of an embodiment of the present application;

FIG. 5 is a schematic bottom view of an embodiment of the present application;

FIG. 6 is an enlarged view of a portion of FIG. 5 at A;

wherein: 100-lifting table cantilever lifting mechanism; 0-a movable plate; 11-left double cantilever; 12-right double cantilever; 13-cantilever fixing piece; 14-a flap anchor; 111-inner cantilever; 112-outer cantilever; 113-set screws; 114-locknut; 115-POM shim; 116-POM thickened shim; 21-cantilever adjusting beam; 22-movable plate adjusting beam; 23-a hinge; 31-cantilever lifting gas spring; 32-a cantilever mechanism tab; 33-a pneumatic switch; 34-moving plate regulating gas spring.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. It is noted that the aspects described below in connection with the figures and the specific embodiments are only illustrative and should not be construed as imposing any limitation on the scope of the present invention.

As shown in fig. 1 to 6, an embodiment of the present application provides a lifting table cantilever lifting mechanism 100, which includes a cantilever assembly, a frame assembly and a locking assembly. The cantilever assembly comprises a left double cantilever 11, a right double cantilever 12, a cantilever fixing plate 13 and a movable plate fixing plate 14, wherein two ends of the left double cantilever 11 and the right double cantilever 12 are respectively hinged with the cantilever fixing plate 13 and the movable plate fixing plate 14, so that a four-bar structure is formed on the left side and the right side. The movable plate fixing plate 14 is connected with the movable plate 0 of the elevating table, and the cantilever fixing plate 13 is connected with the fixed portion of the elevating table. The movable plate 0 can move up and down in parallel under the support of the cantilever assembly. In order to lock the position of the movable plate, the mechanism is connected with the left double-cantilever and the right double-cantilever through the frame assembly, and the position is fixed by limiting the rotation of the frame assembly through the locking assembly.

There are various arrangements of the double cantilevers of the left double cantilever 11 and the right double cantilever 12, for example, the double cantilevers may be both installed on the inner side and the outer side, or one cantilever may be installed on the inner side and the other cantilever is installed on the outer side. In the present embodiment, as shown in fig. 3, each of the left and right

double cantilevers

11 and 12 includes an inner cantilever 111 and an outer cantilever 112, the inner cantilever 111 is connected to the inner sides of the cantilever fixing plate 13 and the movable plate fixing plate 14, and the outer cantilever 112 is connected to the outer sides of the cantilever fixing plate 13 and the movable plate fixing plate 14. After the double cantilevers are arranged on the inner side and the outer side respectively, the situation that a user is injured due to the fact that the distance between the double cantilevers is too small in the lifting process can be avoided. On the basis, the inner cantilever and the outer cantilever can be designed into a bent shape so as to reduce the space occupation.

The stability of current lift table in order to promote elevating system adopts articulated mode to fix usually. But the hinge structure is inconvenient to disassemble and assemble. Therefore, the structure preferably adopts the inner cantilever 111 and the outer cantilever 112 to realize the hinge connection with the cantilever fixing plate 13 and the movable plate fixing plate 14 through the fixing screw 113 and the locknut 114. The screw connection mode enables the whole mechanism to be convenient to disassemble and assemble, and subsequent maintenance is facilitated.

On the basis, in order to ensure the smooth rotation of the cantilever, POM gaskets 115 are arranged between the locknut 114 and the inner cantilever 111, between the inner cantilever 111 and the movable plate fixing piece 14, and between the inner cantilever 111 and the cantilever fixing piece 13; POM washers 115 are also provided between the fixing screws 113 and the outer cantilevers 112, between the outer cantilevers 112 and the movable plate fixing pieces 14, and between the outer cantilevers 112 and the cantilever fixing pieces 13, as shown in fig. 5 and 6. Due to the lubricating property of the POM plastic material, the rotation performance of the hinged part can be ensured.

Further, in order to increase the distance between the inner arm 111 and the outer arm 112, POM shims between the outer arm 112 and the arm fixing piece 13 and between the outer arm 112 and the movable plate fixing piece 14 may be set as POM thickened shims 116. It is easy to understand that the POM gaskets between the inner cantilever 111 and the cantilever fixing plate 13 and between the inner cantilever 111 and the movable plate fixing plate 14 may be provided as thickened gaskets, but the use space inside may be affected.

Referring to fig. 4, the frame assembly includes a boom adjusting beam 21, and the boom adjusting beam 21 connects the left and right inner booms 111. When the inner cantilever 111 rotates, the cantilever adjusting beam 21 is driven to rotate.

In this embodiment, the locking assembly comprises a cantilever lifting gas spring 31 and a cantilever mechanism adjusting piece 32, the cantilever mechanism adjusting piece 32 is fixedly sleeved on the cantilever adjusting beam 21, one end of the cantilever lifting gas spring 31 is hinged with the cantilever mechanism adjusting piece 32, and the other end of the cantilever lifting gas spring 31 abuts against the fixed part of the lifting table.

In order to conveniently control the cantilever lifting gas spring 31, a pneumatic switch 33 is disposed on the lower surface of the movable plate 0, and the pneumatic switch 33 is connected to the cantilever lifting gas spring 31 through a gas path (not shown).

In a possible embodiment, the frame assembly further includes a flap adjusting beam 22, the flap adjusting beam 22 connects the flap fixing plates 14 on the left and right sides, the flap adjusting beam 22 is connected with the flap 0 by means of hinges 23, so that the flap fixing plates 14 are not directly connected with the flap 0, and the flap 0 can rotate relative to the flap adjusting beam 22 to adjust the angle of the flap 0.

Correspondingly, in order to fix the angle of the movable plate 0, the locking assembly further includes a movable plate adjusting gas spring 34, the movable plate adjusting gas spring 34 is mounted on the lower surface of the movable plate 0, one end of the movable plate adjusting gas spring 34 abuts against the movable plate adjusting beam 22, and the other end is fixedly connected with the lower surface of the movable plate 0. A switch wrench may be provided at the end of the movable plate adjustable gas spring 34 to lock and unlock the gas spring.

In summary, the cantilever lifting mechanism of the lifting table provided by the embodiment of the application can bear the movable plate and realize lifting of the movable plate by arranging the cantilever assembly; by arranging the frame assembly, the suspension arm assemblies on the left side and the right side can be connected into a whole frame; through setting up the locking Assembly, can restrict the rotation of frame subassembly to the realization is to the locking of fly leaf position. The whole structure of the mechanism is simple, and the stability of the structure can be ensured while the movable plate is lifted and turned over through the matching of a plurality of large components.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The previous description of the disclosure is provided to enable any person skilled in the art to make or use the disclosure. Various modifications to the disclosure will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other variations without departing from the spirit or scope of the disclosure. Thus, the disclosure is not intended to be limited to the examples and designs described herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

The above description is only a preferred example of the present application and should not be taken as limiting the present application, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present application should be included in the scope of the present application.

Claims

1. The utility model provides a lift table cantilever elevating system which characterized in that includes:

the cantilever assembly comprises a left side double cantilever, a right side double cantilever, a cantilever fixing plate and a movable plate fixing plate, wherein two ends of the left side double cantilever and the right side double cantilever are respectively hinged with the cantilever fixing plate and the movable plate fixing plate, the movable plate fixing plate is connected with a movable plate of the lifting table, and the cantilever fixing plate is connected with a fixing part of the lifting table;

a locking assembly for limiting rotation of the frame assembly.

2. The elevating table cantilever elevating mechanism according to claim 1, wherein the left and right double cantilevers each comprise an inner cantilever and an outer cantilever, the inner cantilever being connected to an inner side of the cantilever fixing plate and the movable plate fixing plate, the outer cantilever being connected to an outer side of the cantilever fixing plate and the movable plate fixing plate.

3. The elevating table cantilever crane mechanism as set forth in claim 2, wherein the inner cantilever and the outer cantilever are hinged to the cantilever fixing plate and the movable plate fixing plate by means of a fixing screw and a locknut.

4. The elevating table cantilever elevating mechanism as set forth in claim 3, wherein POM gaskets are disposed between the locknut and the inner cantilever, between the inner cantilever and the movable plate fixing plate, and between the inner cantilever and the cantilever fixing plate; the fixing screw with between the outside cantilever, the outside cantilever with between the fly leaf stationary blade, the outside cantilever with all be provided with the POM gasket between the cantilever stationary blade.

5. The elevating table cantilever elevating mechanism of claim 4 wherein the POM shims between the outer cantilever and the cantilever securing plate and between the outer cantilever and the movable plate securing plate are thickened shims.

6. The lift table cantilever lift mechanism of claim 2, wherein the frame assembly includes a cantilever adjustment beam connecting the inner cantilevers on both the left and right sides.

7. The elevating table cantilever crane mechanism of claim 6, wherein the locking assembly comprises a cantilever elevating gas spring and a cantilever mechanism adjusting piece, the cantilever mechanism adjusting piece is fixedly sleeved on the cantilever adjusting beam, one end of the cantilever elevating gas spring is hinged with the cantilever mechanism adjusting piece, and the other end of the cantilever elevating gas spring abuts against a fixed part of the elevating table.

8. The lifting table cantilever lifting mechanism of claim 7, wherein the movable plate is provided with a pneumatic switch on its lower surface, and the pneumatic switch is connected with the cantilever lifting gas spring through a gas circuit.

9. The elevating table cantilever elevating mechanism of claim 1, wherein the frame assembly further comprises a movable plate adjusting beam connecting the movable plate fixing plates on the left and right sides, the movable plate adjusting beam being connected with the movable plate by means of a hinge.

10. The lift table cantilever elevating mechanism of claim 9, wherein the locking assembly further comprises a movable plate adjusting gas spring mounted on a lower surface of the movable plate, one end of the movable plate adjusting gas spring abutting against the movable plate adjusting beam, the other end of the movable plate adjusting gas spring being fixedly connected with the movable plate.