TWI662919B - Table lifting structure - Google Patents

Abstract

The invention relates to a table lifting structure, which mainly makes the lifting adjustment structure set with air pressure rods in the inner tube of the two table legs, and a guide slide is provided on the outside of the inner tube corresponding to the hollow outer tube. The two sides of the guide rail are equidistantly formed to form a circular arc portion corresponding to the number of contacts with the guide rail. A guide gear is provided on the guide tooth slotted pivot of the hollow outer tube, and an intermeshing is provided on the corresponding guide gear of the inner tube. The guide rack is also provided with a pulley in the slotted pivot of the hollow outer tube to contact the inner tube; thereby, the inner tube of the table foot can be moved smoothly and smoothly without any deviation in the hollow outer tube. In order to facilitate the adjustment of the height of the table board combined on the inner tube of the table foot, it is suitable for different users to use, and it has more practical features in its overall implementation and use.

Description

Table lifting structure

The invention relates to a table lifting structure, in particular to a table that allows the inner tube of the table leg to move up and down synchronously and smoothly without deviation in the hollow outer tube, so as to facilitate the adjustment of the table combined with the inner tube of the table leg. The height of the board achieves the purpose of being suitable for use by different users, and has more practical features in its overall implementation.

Press, people often use a variety of tables in daily life, various types of tables are generally for people to put various items on it for dining, office, learning and other activities, so that all kinds of tables in People have an extremely important position in their lives, and can be said to be an indispensable necessity in people's lives.

And due to the different usage habits and height differences of different users, various types of tables cannot be suitable for each different user. Therefore, an industry has developed a table height adjustment structure for use on the table board. An air pressure bar is provided between the table legs on both sides, so that when the air bar is controlled to rise and fall, the purpose of adjusting the height of the table board can be achieved, so that the table can be suitable for different users.

However, although the above table height adjustment structure can achieve the expected effect of adjusting the use height of the table board, it has also been found in its actual use that it is provided with air pressure rods between the two sides of the table board and the table legs to make use of The rise and fall of the air pressure rod adjusts the height of the table board, and the general setting position of the table foot must take into account the user's feet and user habits, so that the table foot is not set at the middle position on both sides of the table board, resulting in In the process of driving the tabletop to adjust the height of the air bar, it is easy to deflect and move erratically. In addition, the movement of the air bar on both sides cannot achieve synchronous movement adjustment, which will also cause the table to be used at the same height. During the adjustment process, there are some cases where the movement is not smooth, which makes the structure very inconvenient in operation and use, so that the structure still has room for improvement in the overall design.

The reason is that the inventors have taken this into consideration, and based on many years of rich design, development, and actual production experience in the relevant industry, research and improve the existing structure and defects, and provide a table lifting structure in order to achieve better practical value .

The main object of the present invention is to provide a table lifting structure, which mainly allows the inner tube of the table leg to move up and down in a smooth and non-deflecting manner in a hollow outer tube, so as to facilitate the adjustment of the combination of the upper tube of the table leg. The height of the table board is suitable for different users, and it has more practical features in its overall use.

The main purpose and effect of the table lifting structure of the present invention are achieved by the following specific technical means:

It mainly includes table board, table leg and lifting adjustment structure; among them:

The table board is combined with the table legs at the corresponding positions on the bottom ends of the two sides;

The bottom of the table leg is provided with a foot seat, and a hollow outer tube is arranged on the foot seat. A guide rail is provided on at least one side of the hollow outer tube, and the hollow outer tube is different from the two sides of the guide rail. Corresponding guide tooth slotting and pulley slotting are respectively penetrated through, and an inner tube is sleeved inside the hollow outer tube, and the top of the inner tube is combined with the table board;

The lifting adjustment structure is provided with air pressure rods respectively in the inner tube of the two table legs, and a guide slide is provided on the outer side of the inner tube corresponding to the hollow outer tube. The guide slide On both sides of the track, a circular arc portion corresponding to the number of phases is formed to be in contact with the guide rail. A guide gear is provided at the guide tooth slot of the hollow outer tube, and a guide gear is provided at the inner tube corresponding to the guide gear. A rack is used to mesh the guide gear with the guide rack, and a pulley is arranged at the slot of the pulley of the hollow outer tube, and the pulley is in contact with the inner tube.

A preferred embodiment of the table lifting structure of the present invention, wherein the table legs are provided with corresponding guide rails on both sides of the hollow outer tube.

A preferred embodiment of the table lifting structure of the present invention, wherein the lifting adjustment structure is provided with a top support seat at the bottom end of the inner tube, and the top support seat is pivotally provided with a top support pulley at one side opposite to the pulley, and the top The support pulley is in contact with the inside of the hollow outer tube.

A preferred embodiment of the table lifting structure of the present invention, wherein the control end of the air pressure rod of the lifting adjusting structure is controlled synchronously by a lifting control link.

In a preferred embodiment of the table lifting structure of the present invention, the lifting adjustment structure is synchronously connected with a wheel shaft on the guide gear train pivoted on the two hollow legs of the two table legs.

In order to provide a more complete and clear disclosure of the technical content, the purpose of the invention and the effect achieved by the present invention, it is described in detail below, and please also refer to the disclosed drawings and numbers:

First, please refer to the first diagram of the overall three-dimensional structure of the present invention, the second diagram of the partially enlarged three-dimensional structure of the present invention, and the third diagram of the three-dimensional exploded structure of the present invention. The present invention mainly includes a table (1 ), Table legs (2) and lifting adjustment structure (3); of which:

The table board (1) is combined with the table foot (2) at the corresponding positions on the bottom ends of the two sides.

The bottom of the table leg (2) is provided with a foot socket (21), a hollow outer pipe (22) is arranged on the foot seat (21), and two sides of the hollow outer pipe (22) are provided with internal phases. Corresponding guide rails (221), and the hollow outer tube (22) different from the guide rails (221) are respectively provided with corresponding guide tooth grooves (222) and pulley grooves (223). An inner pipe (23) is sleeved inside the hollow outer pipe (22), and the top of the inner pipe (23) is combined with the table board (1).

For the lifting adjustment structure (3), please also refer to the fourth diagram of the partial three-dimensional combined sectional structure of the present invention (a), the fifth diagram of the three-dimensional combined sectional structure of the present invention, and the sixth side of the present invention. Schematic diagram of the sectional structure of the combination view and the seventh diagram The partial schematic diagram of the sectional structure of the present invention (2), which is respectively set with air pressure in the inner tube (23) of the two table legs (2) The control end (31) of the pneumatic rod is controlled synchronously by the lifting control link (311), and a guide is provided on the outside of the inner tube (23) corresponding to the guide rail (221) of the hollow outer tube (22). The slide rail (32), the two sides of the guide slide (32) are equidistantly arranged to form a circular arc portion (321) corresponding to the number of phases, and the guide rail (221) is in contact with the guide rail (221). The guide tooth slot (222) is pivotally provided with a guide gear (33), and the guide gear (33) pivoted by two of the table legs (2) and the hollow outer tube (22) is pivoted by a wheel shaft (331) Sync link in there (23) A guide rack (34) is provided corresponding to the guide gear (33), so that the guide gear (33) meshes with the guide rack (34), and the pulley of the hollow outer tube (22) The slot (223) is pivotally provided with a pulley (35), the pulley (35) is in contact with the inner tube (23), and a bottom support (36) is combined with the bottom end of the inner tube (23). A support seat (36) is pivotally provided with a top support pulley (361) on one side opposite to the pulley (35), and the top support pulley (361) is in contact with the inside of the hollow outer tube (22).

In this way, when the present invention is used in operation, when the lifting control link (311) of the lifting adjusting structure (3) is used to synchronously control the control end (31) of the air pressure rod to actuate to drive the two table legs (2) The inner tube (23) is raised and lowered. When the table (1) is used to adjust the height, since the inner tube (23) of the two legs (2) is in the process of lifting adjustment, the inner tube The guide rack (34) of (23) can be moved by the meshing guide of the guide gear (33), so that the inner pipe (23) can smoothly move synchronously in the hollow outer pipe (22), plus The guide slide (32) of the inner pipe (23) slides inside the guide rail (221) of the hollow outer pipe (22) using the arc portions (321) on both sides, and the hollow outer pipe ( 22) Use the pivoted pulley (35) to contact the inner tube (23), and the top support seat (36) at the bottom of the inner tube (23) to pivot the top support pulley (361). ) With the inside of the hollow outer tube (22) Contacts the top support, so that the inner tube (23) that is able to move smoothly without deflection of the inner tube (22) to adjust the height of the outer hollow.

From the above, the use and implementation description of the present invention shows that compared with the prior art, the present invention mainly allows the inner tube of the table leg to be carried out smoothly and non-deflectively in the hollow outer tube. It can be moved so that the height of the table board combined with the inner tube of the table foot can be easily adjusted to achieve the purpose of being used by different users, and it has more practical features in its overall use.

However, the foregoing embodiments or drawings do not limit the product structure or usage of the present invention, and any appropriate changes or modifications by those with ordinary knowledge in the technical field should be regarded as not departing from the patent scope of the present invention.

In summary, the embodiments of the present invention can indeed achieve the expected use effect, and the specific structure disclosed has not only been seen in similar products, nor has it been disclosed before the application. It has fully complied with the provisions of the Patent Law. In accordance with the law, the application for an invention patent was submitted in accordance with the law, and we are kindly requested to review it and grant the patent.

(1) ‧‧‧ table board

(2) ‧‧‧ table legs

(21) ‧‧‧ Foot

(22) ‧‧‧ Hollow Outer Tube

(222) ‧‧‧Guide

(222) ‧‧‧ Guide slot

(223) pulley groove

(23) ‧‧‧ Inner tube

(3) ‧‧‧ Lifting adjustment structure

(31) ‧‧‧ Control terminal

(311) ‧‧‧ Lifting control link

(32) ‧‧‧Guideway

(321) ‧‧‧arc

(33) ‧‧‧Guide gear

(333) ‧‧‧ wheel axle

(34) ‧‧‧Guide Rack

(35) ‧‧‧ pulley

(36) ‧‧‧ Top Support

(36) ‧‧‧ Top support pulley

First figure: Schematic diagram of the overall three-dimensional structure of the present invention.

FIG. 2 is a schematic diagram of a partially enlarged three-dimensional structure of the present invention.

Third figure: Schematic diagram of the three-dimensional exploded structure of the present invention.

Figure 4: Schematic diagram of the partial three-dimensional composite sectional structure of the present invention (1).

Figure 5: Schematic diagram of the three-dimensional sectional structure of the present invention.

FIG. 6 is a schematic side sectional view of the present invention.

Figure 7: Schematic diagram of the sectional structure of a partial stereo combination of the present invention (2).

Claims (5)

A table lifting structure mainly includes a table plate, a table leg and a lifting adjustment structure; wherein: the table plate is combined with the table leg at the positions corresponding to the bottom ends of the two sides; the table leg and the bottom end thereof A foot stand is provided on the foot stand, a hollow outer tube is arranged on the foot stand, a guide rail is provided on at least one side of the hollow outer tube, and corresponding sides of the hollow outer tube which are different from the guide rail are respectively provided respectively. The guide teeth are slotted and the pulleys are slotted. An inner tube is sleeved inside the hollow outer tube, and the top of the inner tube is combined with the table board. The lifting adjustment structure is respectively located inside the two table legs. Air pressure rods are sleeved inside the tube, and guide rails are provided on the outer side of the inner tube corresponding to the hollow outer tube. The two sides of the guide slide are arranged equidistantly to form a corresponding arc portion and The guide rails are in contact with each other. A guide gear is provided at the guide tooth slot of the hollow outer tube. A guide rack is provided at the inner tube corresponding to the guide gear, so that the guide gear meshes with the guide rack. A pulley is provided on the pulley slot of the hollow outer tube, and the pulley is in contact with the inner tube. For example, the table lifting structure described in item 1 of the scope of patent application, wherein the table legs are preferably provided with corresponding guide rails on both sides of the hollow outer tube. The lifting structure of the table according to item 1 of the scope of patent application, wherein the lifting adjustment structure is provided with a top support seat at the bottom end of the inner tube, and the top support seat is pivotally provided with a top support pulley at one side opposite to the pulley, The top support pulley is in contact with the inside of the hollow outer tube. The lifting structure of the table according to item 1 of the scope of the patent application, wherein the control end of the air pressure rod of the lifting adjustment structure is controlled synchronously by the lifting control link. The lifting structure of the table according to item 1 of the scope of the patent application, wherein the lifting adjusting structure is synchronously connected with a wheel shaft on the guide gear train pivoted by the hollow outer tube of the two table legs.