CN215423323U

CN215423323U - Height adjusting device and desk using same

Info

Publication number: CN215423323U
Application number: CN202121237564.9U
Authority: CN
Inventors: 刘子平
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-03
Filing date: 2021-06-03
Publication date: 2022-01-07
Anticipated expiration: 2031-06-03

Abstract

A height adjusting device and a desk using the same comprise a driving support unit and an auxiliary support unit matched with the driving support unit, wherein the driving support unit comprises a power part which is in power connection with a transmission rod, the transmission rod is provided with a power transmission part matched with the auxiliary support unit, and at least two height adjusting rods are arranged below the transmission rod; the height adjusting rod comprises a supporting sleeve arranged at the bottom, a threaded rod is in threaded connection with the middle of the supporting sleeve, a rising helical gear is arranged at the top of the threaded rod, and the rising helical gear is meshed with a driving gear on the transmission rod. This application sets up initiative supporting element and supplementary supporting element to utilize power to pass the portion outward and contact the two integrative, make when carrying out height control, can carry out the linkage adjustment, guarantee initial horizontality's uniformity, also can reduce the regulation degree of difficulty.

Description

Height adjusting device and desk using same

Technical Field

The present application relates to a height adjusting apparatus and a desk using the same.

Background

Because people have different heights, the heights of desks suitable for different people are different, and people with different heights are generally adapted through a height-adjustable chair. However, one disadvantage of this type of fitting is that it is essentially achieved at the expense of leg comfort, which is clearly not an optimal solution. If the desk is required to be adjusted in height, an independent adjusting mode of each supporting leg is adopted at the present stage, so that the burden of a user is greatly increased, and the desktop is difficult to be in a horizontal state during later use.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems, the present application provides a height adjustment device, which includes an active support unit and an auxiliary support unit disposed in cooperation with the active support unit, wherein the active support unit includes a power portion, the power portion is in power connection with a transmission rod, a power transmission portion disposed in cooperation with the auxiliary support unit is disposed on the transmission rod, and at least two height adjustment rods are disposed below the transmission rod; the height adjusting rod comprises a supporting sleeve arranged at the bottom, a threaded rod is in threaded connection with the middle of the supporting sleeve, a rising helical gear is arranged at the top of the threaded rod, and the rising helical gear is meshed with a driving gear on the transmission rod. This application sets up initiative supporting element and supplementary supporting element to utilize power to pass the portion outward and contact the two integrative, make when carrying out height control, can carry out the linkage adjustment, guarantee initial horizontality's uniformity, also can reduce the regulation degree of difficulty.

Preferably, the power transmission part comprises an outer transmission rod, two ends of the outer transmission rod are respectively provided with a transmission bevel gear, one transmission bevel gear is meshed with the driving gear, and the other transmission bevel gear is matched with the auxiliary supporting unit. This application is through setting up drive gear on the transfer line, accomplishes the drive of outer biography pole and the drive of rising helical gear, because holistic single drive lever driven characteristic, has guaranteed holistic uniformity.

Preferably, the auxiliary supporting unit comprises an auxiliary rod matched with the transmission helical gear, the auxiliary rod is provided with an auxiliary gear meshed with the transmission helical gear, and a plurality of height adjusting rods matched with the auxiliary rod are also arranged below the auxiliary rod.

Preferably, the device also comprises a positioning sliding block, the positioning sliding block is in threaded connection with the transmission rod, and a first microswitch and a second microswitch are respectively arranged on two sides of the positioning sliding block. This application is crossed through the transfer line, first micro-gap switch and second micro-gap switch's setting for can fix a position holistic height through the position of location slider, can realize spacing effect on the whole, more importantly provides the structure basis for realizing the forecast of height etc..

Preferably, the power part is a motor or a manual rotating disc.

On the other hand, the application also provides a desk, and a supporting plate is arranged above the active supporting unit and the auxiliary supporting unit.

Preferably, a plurality of auxiliary struts are provided between the active support unit and the auxiliary support unit. The desk can be directly fixedly connected to the auxiliary supporting rod, the active supporting unit or the auxiliary supporting unit, and the feeding height or the descending height of each part is consistent during adjustment, so that the supporting plate is not separated from the active supporting unit and the auxiliary supporting unit in the adjustment process.

This application can bring following beneficial effect:

1. the active supporting unit and the auxiliary supporting unit are arranged and are connected into a whole by the power transmission part, so that linkage adjustment can be performed during height adjustment, the consistency of an initial horizontal state is ensured, and the adjustment difficulty can be reduced;

2. the driving gear is arranged on the transmission rod, so that the driving of the outer transmission rod and the driving of the rising bevel gear are completed, and the integral consistency is ensured due to the characteristic of integral single transmission rod driving;

3. the desk can be directly fixedly connected to the auxiliary supporting rod, the active supporting unit or the auxiliary supporting unit, and the feeding height or the descending height of each part is consistent during adjustment, so that the supporting plate is not separated from the active supporting unit and the auxiliary supporting unit in the adjustment process.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is a schematic view of a height adjustment mechanism;

FIG. 2 is a side view of the structure of FIG. 1;

FIG. 3 is a schematic top view of the structure of FIG. 1;

fig. 4 is a schematic view of the transmission portion.

Detailed Description

In order to clearly explain the technical features of the present invention, the present application will be explained in detail by the following embodiments in combination with the accompanying drawings.

As shown in the drawings, the following detailed description is given by way of example in order to more clearly explain the overall concept of the present application.

In addition, in the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on those shown in the drawings, are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present application.

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

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

In a first embodiment, as shown in fig. 1 to 4, a desk is provided with a support plate above an active support unit 1 and an auxiliary support unit 2. A plurality of auxiliary struts 3 are arranged between the active supporting unit 1 and the auxiliary supporting unit 2. The active supporting unit 1 comprises a power part 4, the power part 4 is in power connection with a transmission rod 5, a power external transmission part 6 matched with the auxiliary supporting unit 2 is arranged on the transmission rod 5, and at least two height adjusting rods 7 are arranged below the transmission rod 5; the height adjusting rod 7 comprises a supporting sleeve 8 arranged at the bottom, a threaded rod 9 is in threaded connection with the middle of the supporting sleeve 8, a rising bevel gear 10 is arranged at the top of the threaded rod 9, and the rising bevel gear 10 is meshed with a driving gear 11 on the transmission rod 5. The power transmission part 6 comprises an outer transmission rod 12, two ends of the outer transmission rod 12 are respectively provided with a transmission bevel gear 13, one transmission bevel gear 13 is meshed with the driving gear 11, and the other transmission bevel gear 13 is matched with the auxiliary supporting unit 2. The auxiliary supporting unit 2 comprises an auxiliary rod 14 matched with the transmission helical gear 13, an auxiliary gear 15 meshed with the transmission helical gear 13 is arranged on the auxiliary rod 14, and a plurality of height adjusting rods 7 matched with each other are also arranged below the auxiliary rod 14. The device also comprises a positioning slide block 16, wherein the positioning slide block 16 is in threaded connection with the transmission rod 5, and a first microswitch 17 and a second microswitch 18 are respectively arranged at two sides of the positioning slide block 16. The power part 4 is a motor or a manual rotating disc.

When the height adjusting device is used, the power part 4 provides power, the transmission rod 5 rotates, and the driving gear 11 drives the rising bevel gear 10 to enable the threaded rod 9 of the height adjusting rod 7 to rise or fall in the supporting sleeve 8; meanwhile, the power transmission part 6 is also driven to act, so that the auxiliary supporting unit 2 also completes the ascending and descending operation; the first microswitch 17 and the second microswitch 18 indirectly obtain the height of the desk by monitoring the position of the positioning slide block 16 and have certain limiting operation.

The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, for the system embodiment, since it is substantially similar to the method embodiment, the description is simple, and for the relevant points, reference may be made to the partial description of the method embodiment.

The above are merely examples of the present application and are not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims

1. A height adjustment device characterized by: the device comprises an active supporting unit and an auxiliary supporting unit matched with the active supporting unit, wherein the active supporting unit comprises a power part, the power part is in power connection with a transmission rod, a power transmission part matched with the auxiliary supporting unit is arranged on the transmission rod, and at least two height adjusting rods are arranged below the transmission rod; the height adjusting rod comprises a supporting sleeve arranged at the bottom, a threaded rod is in threaded connection with the middle of the supporting sleeve, a rising helical gear is arranged at the top of the threaded rod, and the rising helical gear is meshed with a driving gear on the transmission rod.

2. A height adjustment device as claimed in claim 1, wherein: the power outer transmission part comprises an outer transmission rod, two ends of the outer transmission rod are respectively provided with a transmission bevel gear, one transmission bevel gear is meshed with the driving gear, and the other transmission bevel gear is matched with the auxiliary supporting unit.

3. A height adjustment device as claimed in claim 2, wherein: the auxiliary supporting unit comprises an auxiliary rod matched with the transmission helical gear, an auxiliary gear is arranged on the auxiliary rod and meshed with the transmission helical gear, and a plurality of height adjusting rods matched with the auxiliary rod are arranged below the auxiliary rod.

4. A height adjustment device as claimed in claim 1, wherein: the positioning device is characterized by further comprising a positioning sliding block, wherein the positioning sliding block is in threaded connection with the transmission rod, and a first microswitch and a second microswitch are respectively arranged on two sides of the positioning sliding block.

5. A height adjustment device as claimed in claim 1, wherein: the power part is a motor or a manual rotating disc.

6. A desk using the height adjusting apparatus of any one of claims 1 to 5, wherein: a supporting plate is arranged above the active supporting unit and the auxiliary supporting unit.

7. A desk according to claim 6, wherein: a plurality of auxiliary supporting rods are arranged between the active supporting unit and the auxiliary supporting unit.