WO2018076943A1

WO2018076943A1 - Novel height-adjustable desk

Info

Publication number: WO2018076943A1
Application number: PCT/CN2017/101350
Authority: WO
Inventors: 成武
Original assignee: 成武
Priority date: 2016-10-26
Filing date: 2017-09-12
Publication date: 2018-05-03
Also published as: CN206413974U

Abstract

Provided is a novel height-adjustable desk, comprising a desk body (1) and a supporting mechanism (2). The desk body (1) is provided with a direct current motor box (3) and a direct current motor (4). The direct current motor (4) is fixedly installed inside the direct current motor box (3). The direct current motor box (3) is provided with a transmission short shaft (6) which is connected with a rotation shaft end of the direct current motor (4). The supporting mechanism (2) is provided with height-adjustment devices (7), a cross bar (8) and a base (9). Both ends of the cross bar (8) are provided with a height-adjustment device (7). Each height-adjustment device consists of a sleeve assembly (10), a screw rod assembly (11) and a gas spring assembly (12). An upper end of an inner sleeve (13) is sleeved on a through hole (5) arranged on a lower bottom surface of the direct current motor box (3). An upper end of an outer sleeve (14) is sleeved on a lower end of the inner sleeve (13), and a lower end of the outer sleeve (14) is provided with a fixed iron piece (17). The screw rod assembly (11) is installed in parallel with the gas spring assembly (12) inside the sleeve assembly (10). The base (9) is fixedly mounted on a lower part of the outer sleeve (14) by means of the fixed iron piece (17). The desk body of the novel height-adjustable table can freely move up and down, and the height of the same can be adjusted according to the actual situation. The invention is simple in structure, adjusts smoothly, and consumes little energy.

Description

A new type of lifting table

Technical field

The utility model relates to the technical field of furniture, in particular to a novel lifting table.

Background technique

From the evolutionary process of human beings, the limbs walked to the upright walk. After the research scholars studied the development history of the world furniture, it was found that the human beings found that sitting down in daily activities helped to reduce fatigue and thus invented the seat. This way of sitting and working has been passed down, but as people sit and work longer and longer, people gradually realize that sedentary is not conducive to the improvement of work efficiency, people began to try to sit and work alternately, gradually The lifting table has also appeared, and the use of the lifting table station office has become a popular healthy office.

The automatic lifting table is generally powered by electricity. The motor control device is used to adjust the height of the lifting table. The existing lifting table on the market is often unbalanced during the lifting process. After a certain period of time, the plastic tube plug with the inner jacket is used. If the wear gap is too large, the table will be shaken or tilted forward; the lifting screw will work under high load for a long time, which will shorten the service life of the screw; the DC motor for lifting and lowering will work under high load for a long time, reducing the motor. The service life increases the energy of the motor.

Utility model content

The purpose of the utility model is to provide a novel lifting table with simple structure, stable lifting and low energy consumption to solve the problems raised in the above background art.

In order to achieve the above object, the present invention provides the following technical solution: a new type of lifting table, comprising a table body and a supporting mechanism, the inside of the table body is a hollow structure, the table body is provided with a DC motor box and a DC motor; the DC motor Fixedly installed inside the DC motor box; the DC motor box is provided with a through hole near the lower bottom surface of the side of the frame; the DC motor box is provided with a transmission short shaft, and the transmission short shaft is connected with the rotating shaft end of the DC motor; The supporting mechanism is provided with a lifting device, a cross bar and a base; both ends of the cross bar are equipped with lifting devices, and the cross bar is fixedly connected with the lifting device; the lifting device is composed of a sleeve assembly, a screw assembly and a gas spring assembly; The sleeve assembly is provided with an inner sleeve, an outer sleeve, an inner sleeve plug and an outer sleeve plug; the upper end of the inner sleeve is sleeved on a through hole formed in the lower bottom surface of the DC motor box, and the lower end of the inner sleeve is provided with an inner sleeve a pipe plug; the upper end of the outer sleeve is sleeved at the lower end of the inner sleeve, and the outer sleeve is provided with an outer sleeve plug, a jacket The lower end of the tube is provided with a fixed iron piece; the screw rod assembly is installed in parallel with the gas spring assembly in the inside of the sleeve assembly, the screw rod assembly is provided with a screw rod and a screw sleeve, and the gas spring assembly is provided with a gas spring and a gas spring sleeve The upper end of the screw rod and the upper end of the gas spring are fixedly connected with the short shaft of the transmission, the lower end of the screw rod is sleeved inside the screw sleeve, and the lower end of the gas spring is sleeved inside the gas spring sleeve; The base is fixedly mounted on the lower part of the outer sleeve by a fixed iron piece, and two fixing screws are arranged on the base.

As a further solution of the present invention, the size of the through hole formed in the lower surface of the DC motor case matches the size of the upper end of the inner sleeve.

As a further aspect of the present invention, the outer diameter of the lower end of the screw rod matches the inner diameter of the screw sleeve.

As a further aspect of the present invention, the outer diameter of the lower end of the gas spring is matched with the inner diameter of the gas spring sleeve.

Compared with the prior art, the utility model has the beneficial effects:

1. The precision of the gas spring provided by the utility model is greater than that of the screw rod, which can increase the stability of the lifting table, thereby making the lifting more stable, and solving the situation of shaking and leaning forward during the lifting process.

2. The spring force of the gas spring provided by the utility model is greater than or equal to the weight of the table body, so that the lifting screw can work under low load or no load, and the service life of the screw rod can be increased.

3. The gas spring force set by the utility model is greater than or equal to the weight of the table body, so that the DC motor for lifting and lowering can work under low load, which can increase the service life of the DC motor and reduce the energy of the DC motor.

DRAWINGS

Figure 1 is a schematic view of the overall structure of the present invention;

Figure 2 is a front elevational view of the lifting device of the present invention;

Figure 3 is a side view of the lifting device of the present invention;

Figure 4 is a front view of the utility model;

Figure 5 is a side view of the present invention;

Figure 6 is a plan view of the present invention.

In the figure: 1-tablet; 2-support mechanism; 3-DC motor box; 4-DC motor; 5-through hole; 6-drive short shaft; 7-lifting device; 8-crossbar; 9-base; - Casing assembly; 11-screw assembly; 12-gas spring assembly; 13-inner sleeve; 14- Outer casing; 15-in casing plug; 16-outer casing plug; 17-fixed iron piece; 18-screw; 19-screw bushing; 20-gas spring; 21-gas spring bushing; .

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the drawings in the embodiments of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. example. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.

1-6, in the embodiment of the present invention, a new type of lifting table includes a table body 1 and a supporting mechanism 2, the inside of the table body 1 is a hollow structure, and the table body 1 is provided with a DC motor box 3 and a DC motor 4 The DC motor 4 is fixedly mounted inside the DC motor box 3; the DC motor box 3 is provided with a through hole 5 near the lower bottom surface of the frame body 1 side; the DC motor box 3 is provided with a transmission short shaft 6, the transmission short shaft 6 and The rotating shaft end of the DC motor 4 is connected; the supporting mechanism 2 is provided with a lifting device 7, a cross bar 8 and a base 9; the lifting bar 7 is mounted on both ends of the cross bar 8 , and the cross bar 8 is fixedly connected with the lifting device 7; The sleeve assembly 10, the screw assembly 11 and the gas spring assembly 12 are composed; the sleeve assembly 10 is provided with an inner sleeve 13, an outer sleeve 14, an inner sleeve plug 15 and an outer sleeve plug 16; the upper end of the inner sleeve 13 is sleeved at a direct current The through hole 5 formed in the lower bottom surface of the DC motor case 3 is matched with the size of the upper end of the inner sleeve 13 so that the inner sleeve 13 can freely slide inside the inner through hole 5, The lower end of the sleeve 13 is provided with an inner sleeve plug 15; the upper end of the outer sleeve 14 is sleeved under the inner sleeve 13 The outer sleeve 14 is provided with an outer sleeve plug 16 at its upper end, and the lower end of the outer sleeve 14 is provided with a fixed iron piece 17; the screw assembly 11 is installed in parallel with the gas spring assembly 12 in the interior of the sleeve assembly 10, and the screw assembly 11 is provided with a wire. The rod 18 and the screw sleeve 19, the gas spring assembly 12 is provided with a gas spring 20 and a gas spring sleeve 21; the upper end of the screw rod 18 and the upper end of the gas spring 20 are fixedly connected with the transmission short shaft 6, and the lower end of the screw rod 18 is sleeved Inside the screw sleeve 19, the outer diameter of the lower end of the screw rod 18 matches the inner diameter of the screw sleeve 19, so that the screw rod 18 can slide freely inside the screw sleeve 19; the lower end of the gas spring 20 is sleeved at The inside of the gas spring sleeve 21, the outer diameter of the lower end of the gas spring 20 is matched with the inner diameter of the gas spring sleeve 21, so that the gas spring 20 can slide freely inside the gas spring sleeve 21; the base 9 is fixedly mounted by the fixed iron piece 17 The lower portion of the outer sleeve 14 is provided with two fixing screws 22 on the base 9.

The utility model increases the utility by providing the sleeve assembly 10, the screw assembly 11 and the gas spring assembly 12 The new type of stability; the gas spring 20 and the two pillars of the screw rod 18 support the lifting and lowering, which can effectively solve the problem that only the screw rod 18 supports the lifting and lifting for a certain period of time, and the table is shaken or tilted forward due to the excessive wear gap of the inner casing plastic pipe plug. In case; the spring force of the gas spring 20 is greater than or equal to the weight of the table body 1, the screw 18 can be operated under low load or no load, and the service life of the screw rod 18 can be increased; the spring force of the gas spring 20 is greater than or equal to the weight of the table top. The DC motor 4 for lifting and lowering can be operated under a low load, which can increase the service life of the DC motor 4 and reduce the energy of the DC motor 4.

In summary, the utility model provides a novel lifting table with simple structure, stable lifting and low energy consumption, which solves the problem that the lifting table is often unbalanced during the lifting process, and the plastic pipe plug wears with the inner casing after a certain period of time. If the gap is too large, the table will be shaken or tilted forward; the lifting screw will work under high load for a long time, which will shorten the service life of the screw; the DC motor for lifting and lowering will work under high load for a long time, which reduces the motor's The service life increases the problem of the ability of the motor.

It is obvious to those skilled in the art that the present invention is not limited to the details of the above-described exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the invention is defined by the appended claims All changes in the meaning and scope of the claimed equivalents are included in the present invention. Any reference signs in the claims should not be construed as limiting the claim.

In addition, it should be understood that although the description is described in terms of embodiments, not every embodiment includes only one independent technical solution. The description of the specification is merely for the sake of clarity, and those skilled in the art should regard the specification as a whole. The technical solutions in the respective embodiments may also be combined as appropriate to form other embodiments that can be understood by those skilled in the art.

Claims

A novel lifting table comprises a table body (1) and a supporting mechanism (2), characterized in that: the inside of the table body (1) is a hollow structure, and the table body (1) is provided with a DC motor box (3) and a direct current The motor (4); the DC motor (4) is fixedly mounted inside the DC motor box (3); the DC motor box (3) is adjacent to the bottom surface of the side of the frame body (1) and has a through hole (5); The DC motor box (3) is provided with a transmission short shaft (6), and the transmission short shaft (6) is connected with a rotating shaft end of the DC motor (4); the supporting mechanism (2) is provided with a lifting device (7) and a horizontal a rod (8) and a base (9); both ends of the crossbar (8) are provided with a lifting device (7), and the crossbar (8) is fixedly connected with the lifting device (7); the lifting device (7) is The sleeve assembly (10), the screw assembly (11) and the gas spring assembly (12) are composed; the sleeve assembly (10) is provided with an inner sleeve (13), an outer sleeve (14), and an inner sleeve plug (15) And an outer casing plug (16); the upper end of the inner casing (13) is sleeved on a through hole (5) formed in a lower bottom surface of the DC motor casing (3), and an inner casing is disposed at a lower end of the inner casing (13) a plug (15); an upper end of the outer sleeve (14) is sleeved at a lower end of the inner sleeve (13), and an outer end of the outer sleeve (14) is provided with an outer portion The pipe plug (16), the lower end of the outer sleeve (14) is provided with a fixed iron piece (17); the screw rod assembly (11) is installed in parallel with the gas spring assembly (12) in the inside of the sleeve assembly (10), the wire The rod assembly (11) is provided with a screw rod (18) and a screw sleeve (19), the gas spring assembly (12) is provided with a gas spring (20) and a gas spring sleeve (21); the screw rod (18) The upper end and the upper end of the gas spring (20) are fixedly connected with the transmission short shaft (6), the lower end of the screw rod (18) is sleeved inside the screw sleeve (19), and the lower end of the gas spring (20) is sleeved in the gas. The inside of the spring sleeve (21); the base (9) is fixedly mounted on the lower portion of the outer sleeve (14) by a fixed iron piece (17), and the base (9) is provided with two fixing screws (22).
A novel lifting table according to claim 1, characterized in that the size of the through hole (5) formed in the lower bottom surface of the DC motor casing (3) matches the size of the upper end of the inner casing (13).
A novel lifting table according to claim 1, characterized in that the outer diameter of the lower end of the screw (18) matches the inner diameter of the screw sleeve (19).
A novel lifting table according to claim 1, characterized in that the outer diameter of the lower end of the gas spring (20) matches the inner diameter of the gas spring sleeve (21).