CN210076918U

CN210076918U - Expansion type lifting device and screen table

Info

Publication number: CN210076918U
Application number: CN201920669996.3U
Authority: CN
Inventors: 郭应中
Original assignee: Beijing Zhong He Technology Co Ltd
Current assignee: Beijing Zhong He Technology Co Ltd
Priority date: 2019-05-12
Filing date: 2019-05-12
Publication date: 2020-02-18
Anticipated expiration: 2029-05-12

Abstract

The utility model discloses an expansion type lifting device, which comprises a plurality of torque relay assemblies, a plurality of guide rails, a plurality of transmission rods and a driver, wherein the torque relay assemblies are vertically arranged on the guide rails; the torque relay assembly comprises three interfaces in a horizontal plane, wherein the three interfaces are distributed in a T shape and are connected with a transmission rod or a driver; the moment relay assembly drives the guide rail to move up and down in the vertical direction under the driving of the input moment of the driving rod or the driver, and transmits the input moment to the driving rod connected with the moment relay assembly through the interface in the horizontal plane. The utility model also discloses a screen table, including extension formula elevating gear and at least one seat unit. Compared with the prior art, the expansion type lifting device greatly improves the output efficiency of the driver through the effective transmission of the torque, simplifies the number of the drivers and saves the space. The screen table adopts an expansion type lifting device, so that the table body occupies less space.

Description

Expansion type lifting device and screen table

Technical Field

The utility model relates to a elevating gear technical field, more specifically relates to an extension formula elevating gear and screen table.

Background

In the office and examination places, the liftable screen table has the technical characteristics of ensuring the privacy space, shielding the noise, preventing examination cheating and having multiple functions, thereby being widely applied to enterprises and public institutions. In the prior art, the lifting device adopted by the lifting table is complex in structure and large in size, so that the whole lifting table is large in size and occupies a large space. Secondly, the traditional lifting device adopted by the lifting screen table has low expansion performance, on one hand, the output torque of a motor or a driver cannot be efficiently utilized, and on the other hand, the lifting movement of the screen table can be completed only by arranging a plurality of motors or drivers, so that the cost of the lifting device and the screen table is higher.

In view of this, the utility model provides an extension formula elevating gear and screen table to alleviate the problem that prior art exists.

Disclosure of Invention

In order to alleviate the deficiencies of the prior art, it is an object of the present invention to provide an expandable lifting device and to apply the lifting device to a screen table.

In a first aspect of the present invention, there is provided an extended lifting device, comprising a plurality of torque relay assemblies, a plurality of guide rails, a plurality of transmission rods, and a driver, wherein the torque relay assemblies are vertically installed on the guide rails; the torque relay assembly comprises three interfaces in a horizontal plane, wherein the three interfaces are distributed in a T shape and are connected with a transmission rod or a driver; the moment relay assembly drives the guide rail to move up and down in the vertical direction under the driving of the input moment of the driving rod or the driver, and transmits the input moment to the driving rod connected with the moment relay assembly through the interface in the horizontal plane.

Further, the moment relay assembly comprises a housing, a first transmission assembly and a second transmission assembly; one end of the first transmission component is a bevel gear, and the other end of the first transmission component is a connector of a transmission rod; the second transmission component is a cylindrical gear in the horizontal direction, the center of the cylindrical gear is an interface of a transmission rod or a driver, and the cylindrical gear is meshed with the guide rail; the vertical direction of the second transmission component is a conical gear, and the conical gear is meshed with the conical gear at one end of the first transmission component.

Further, the cross section of the transmission rod is a regular hexagon.

Further, a thread is provided on a surface of the guide rail that contacts the torque relay assembly.

In a second aspect of the present invention, there is provided a screen table, including the first aspect of the present invention provides an extended lifting device and at least one seating unit, the seating unit including: the base is used for supporting the seat unit; the table wall is used for separating the seating units and is of a double-layer structure; the desktop plate is horizontally fixed on the desk wall; the side plate is positioned between the double-layer structures of the table wall; the moment relay assembly, the guide rail and the transmission rod of the expansion type lifting device are arranged between the double-layer structures of the table wall, and the driver is arranged outside the table wall.

Furthermore, a supporting beam is arranged between the double-layer structures of the table wall, the supporting beam is connected with the side plates through screws, and the supporting beam is connected with the guide rail through screws.

Further, when the extended lifting device reaches the upper limit of the vertical direction, the side plate extends out in the vertical direction.

Furthermore, when the expansion type lifting device reaches the lower limit of the vertical direction, the side plate is hidden in the table wall in the vertical direction.

The utility model has the advantages as follows: through the arrangement of the moment relay assembly, the input moment of a transmission rod or a driver in the lifting device is relayed in the horizontal plane, and the interfaces of the moment relay assembly are distributed in a T shape, so that the moment can be topologically arranged in a two-dimensional space in the horizontal plane. Through the effective transmission to moment for the output efficiency of driver is very improved, and then has retrencied driver quantity and has saved a large amount of spaces. After the screen table adopts the extended lifting device, as the lifting device mechanism is simplified, on one hand, complete shielding is realized in the table body, and on the other hand, the whole table body occupies less space.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of an extended lifting device according to a first embodiment of the present invention;

fig. 2 is a schematic structural diagram of a torque relay assembly of an extended lift device according to a first embodiment of the present invention;

fig. 3 is a schematic view of a structure of engagement between a torque relay assembly and a guide rail of an extended lift device according to a first embodiment of the present invention;

FIG. 4 is a schematic view of a second embodiment of a raised screen structure of a screen table of the present invention;

fig. 5 is a schematic view of a screen table falling screen structure according to a second embodiment of the present invention.

In the figure: moment relay assembly 1, guide rail 2, transfer bar 3, driver 4, shell 11, first transmission assembly 12, second transmission assembly 13, base 10, table wall 20, table top 30, side panel 40, supporting beam 50.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and the described embodiments are some, but not all embodiments of the present invention.

The first embodiment is as follows:

fig. 1 is a schematic structural diagram of an extended lifting device according to an embodiment of the present invention, as shown in fig. 1, including 6 torque relay assemblies 1, 6 guide rails 2, 5 transmission rods 3, and a driver 4, where the torque relay assemblies 1 are vertically installed on the guide rails 2; the moment relay component 1 comprises three interfaces in a horizontal plane, the three interfaces are distributed in a T shape, and the three interfaces are connected with the transmission rod 3 or the driver 4; under the drive of the input torque of the transmission rod 3 or the driver 4, the torque relay assembly 1 drives the guide rail 2 to move up and down in the vertical direction on one hand, and transmits the input torque to the transmission rod 3 connected with the torque relay assembly 1 through an interface in the horizontal plane on the other hand. As shown in fig. 1, the torque relay assembly 1 connected to the driver 4 transmits a torque to two mutually perpendicular transmission rods 3 on one hand, and transmits a torque to the guide rail 2 on the other hand to drive the guide rail 2 to move up and down, and the 3 transmission rods 3 are distributed in a T shape at the torque relay assembly 1. Therefore, the torque output by the driver 4 can be topologically arranged in the horizontal plane through the torque relay assembly 1, theoretically, the limit of the output capacity of the driver 4 can be expanded, and the utilization efficiency of the output torque of the driver 4 is high. On the other hand, the purpose that one driver drives the whole device to lift is achieved.

Fig. 2 is a schematic structural diagram of a torque relay assembly of an extended lifting device according to an embodiment of the present invention, and as shown in fig. 2, the torque relay assembly 1 includes a housing 11, a first transmission assembly 12 and a second transmission assembly 13; one end of the first transmission component 12 is a bevel gear, and the other end is a joint of the transmission rod 3; the second transmission assembly 13 is a cylindrical gear in the horizontal direction, and the center of the cylindrical gear is an interface of the transmission rod 3 or the driver 4. Fig. 3 is a schematic view of a structure of engagement between a torque relay assembly and a guide rail of an extended lifting device according to an embodiment of the present invention, as shown in fig. 3, a cylindrical gear of a second transmission assembly 13 in a horizontal direction is engaged with the guide rail 2; alternatively, a screw thread is provided only on the surface of the guide rail 2 that contacts the torque relay assembly 1, which improves the mechanical properties of the guide rail 2.

The second transmission assembly 13 is a bevel gear in the vertical direction, and the bevel gear is engaged with the bevel gear at one end of the first transmission assembly 12. Because the conical gears are meshed with each other, the moment can be transmitted along the vertical direction of the input direction, and therefore the expansion type lifting device can be expanded on a two-dimensional plane. As shown in fig. 2 and 3, the torque relay assembly 1 interface is optionally a regular hexagon, connected with the drive rod 3 in a regular hexagon cross section.

Example two:

fig. 4 is a schematic view of a second embodiment of the present invention, which is a raised screen structure of a screen table, as shown in fig. 4, including an extended lifting device and 2 seat units, the seat units include: a base 10 for supporting the seat unit; a table wall 20 for separating the seating units, the table wall having a double-layer structure; a table top 30 horizontally fixed on the table wall 20; the side plates 40 are positioned between the double-layer structures of the table wall 20; the moment relay assembly 1, the guide rail 2 and the transmission rod 3 of the extended lifting device are installed between the double-layer structures of the table wall 20. A support beam 50 is arranged between the double-layer structures of the table wall 20, the support beam 50 is connected with the side plate 40 through a screw, and the support beam 50 is connected with the guide rail 2 through a screw. It should be noted that the expandable lifting device can be expanded with the increase of the number of seat units, and the installation of 2 seat units in this embodiment is merely illustrative. As shown in fig. 4, when the extended lifting device reaches the upper limit of the vertical direction, the side plate extends out in the vertical direction, so as to realize the technical effect of lifting the screen.

Fig. 5 is a schematic view of a screen table falling screen structure of the embodiment of the present invention. As shown in fig. 5, the driver 4 is mounted outside the table wall. When the expansion type lifting device reaches the lower limit in the vertical direction, the side plate is hidden in the table wall in the vertical direction, and the technical effect that the screen falls down is achieved.

It should be noted that, as shown in fig. 4 and 5, the shielding effect of the screen table to the extended lifting device is better because the extended lifting device has a simple structure.

Details which are in part known in the art have not been set forth herein in detail. It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Finally, it should be noted that: it should be understood that the above examples are only for clearly illustrating the present invention and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious changes and modifications may be made without departing from the scope of the present invention.

Claims

1. An expansion type lifting device is characterized by comprising a plurality of moment relay assemblies (1), a plurality of guide rails (2), a plurality of transmission rods (3) and a driver (4), wherein the moment relay assemblies (1) are vertically arranged on the guide rails (2); the moment relay component (1) comprises three interfaces in a horizontal plane, the three interfaces are distributed in a T shape, and the three interfaces are connected with the transmission rod (3) or the driver (4); the moment relay assembly (1) is driven by the input moment of the transmission rod (3) or the driver (4), on one hand, the guide rail (2) is driven to move up and down in the vertical direction, and on the other hand, the input moment is transmitted to the transmission rod (3) which is connected with the moment relay assembly (1) through an interface in the horizontal plane.

2. The extended lift device according to claim 1, wherein the torque relay assembly (1) comprises a housing (11), a first transmission assembly (12) and a second transmission assembly (13); one end of the first transmission component (12) is a conical gear, and the other end of the first transmission component is an interface of the transmission rod (3); the second transmission assembly (13) is a cylindrical gear in the horizontal direction, the center of the cylindrical gear is an interface of the transmission rod (3) or the driver (4), and the cylindrical gear is meshed with the guide rail (2); the vertical direction of the second transmission assembly (13) is a conical gear, and the conical gear is meshed with the conical gear at one end of the first transmission assembly (12).

3. The extended lifting device according to claim 1, characterized in that the cross section of the transmission rod (3) is a regular hexagon.

4. The extended lifting device according to claim 1, wherein a thread is provided on a surface of the guide rail (2) contacting the torque relay assembly (1).

5. A screen table comprising an extended lifting device as claimed in any one of claims 1 to 3 and at least one seating unit,

the seating unit includes:

a base (10) for supporting the seating unit;

the table wall (20) is used for separating the seating units, and the table wall (20) is of a double-layer structure;

the table top plate (30) is horizontally fixed on the table wall (20);

side panels (40) located between the double-layer structure of the table wall (20);

the moment relay assembly (1), the guide rail (2) and the transmission rod (3) of the expansion type lifting device are arranged between the double-layer structures of the table wall (20), and the driver (4) is arranged outside the table wall (20).

6. Screen table according to claim 5, characterized in that between the double structure of the table wall (20) there are arranged support beams (50), which support beams (50) are connected with the side plates (40) by means of screws, which support beams (50) are connected with the guide rails (2) by means of screws.

7. Screen table according to claim 5, characterized in that the side plates (40) project in the vertical direction when the extended lifting device reaches the upper limit in the vertical direction.

8. Screen table according to claim 5, characterized in that the extended lifting means reach the lower vertical limit, the side panels (40) being hidden in the vertical direction inside the table wall (20).