CN209769461U - Built-in flat table of foldable adjustable type seat - Google Patents

Abstract

A folding adjustable chair built-in flat table belongs to the field of office auxiliary equipment. The folding table consists of a stepping motor, a lead screw, a lifting base, an extension component and a folding table plate. The stepping motor is fixedly arranged at the bottom of the inner space of the seat armrest, and the lifting base is arranged above the stepping motor and is connected with the stepping motor through a lead screw; the extension component is connected with the lifting base; the folding table plate is connected with the stretching component. The device is arranged in the right armrest of the special seat in the halls such as the report hall, the conference hall and the like, the height, the distance and the distance are flexibly adjustable, the relevant participants are assisted to work and record, and the device is economical, practical and high in applicability.

Description

Built-in flat table of foldable adjustable type seat

Technical Field

The utility model relates to a built-in flat table of foldable adjustable type seat, further description is exactly the office equipment among the right handrail of special seat in rooms such as report room, meeting room of a built-in, supplementary relevant meeting personnel official working, record belong to official working auxiliary assembly field.

Background

The small table arranged in the armrest of the chair is common office facilities in life, and particularly has wide application in chairs of large and medium report halls and conference halls, and along with the large-scale popularization and application of the small table, some obvious problems and defects also appear when the office and the record of participants are facilitated; the desktop area of a common built-in small desk is small, and a notebook computer cannot be supported; when the mobility of people is high during the meeting, the self-standing and the entrance and exit of people in adjacent seats are very obstacles. When meeting personnel individual height and fat thin inconsistent, the unable nimble adjustment of common little table often can cause different size users' discomfort.

Therefore, a small table with a built-in seat armrest, which is flexible and adjustable, large in usable area and strong in applicability, is urgently needed to be designed.

Disclosure of Invention

Aiming at the defects, the utility model provides a folding adjustable chair built-in flat table.

The utility model discloses a realize through following technical scheme: a folding adjustable chair built-in flat table comprises a stepping motor, a lead screw, a lifting base, an extension assembly and a folding table plate, wherein the stepping motor is fixedly arranged at the bottom of the inner space of a chair armrest; the extension component is connected with the lifting base; the folding table plate is connected with the stretching component.

Furthermore, the lifting base comprises a support frame, a spiral hole, a thrust platform, a support shaft and a support plate, the spiral hole is formed in the bottom of the support frame and is connected with a lead screw in a matched mode, the thrust platform is vertically and fixedly installed on the support frame, the support shaft is fixedly installed at the top of the support frame, and the support plate is fixedly installed in the middle of the support frame.

Furthermore, the extension component consists of a large rotating buckle, a rotating shaft, a thrust plate and a thrust end, wherein the large rotating buckle is positioned at one end of the rotating shaft and is connected with the supporting shaft in a nested manner to form a revolute pair; the thrust plate is fixedly connected in the middle of the rotating shaft, the thrust end is fixedly connected at the other end of the rotating shaft, and the large rotating buckle can transversely move on the rotating shaft.

Furthermore, the folding table plate consists of two small rotary buckles, a lower table plate, rotary lock catches, thrust steps, an upper table plate, a small boss, two small rotary buckles, an outer groove and a telescopic rod, wherein the two small rotary buckles are fixedly arranged at the upper end and the lower end of one side of the lower table plate; the upper part of the upper table plate is provided with a cuboid small boss, the outer side of the upper table plate is also provided with an outer groove, the top end of the outer groove is fixedly provided with a small rotating shaft, and the top end of the telescopic rod is connected with the small rotating shaft in a nested manner to form a rotating pair.

The utility model discloses an useful part lies in:

After the whole folding table board is unfolded, the whole usable area is large, and the reasonable placement of large and wide personal articles such as notebook computers, A3 drawings and the like can be completely met;

The extension component can enable the table plate to move back and forth and be adjusted within a certain range, and the small table can be lifted along with the lifting base under the control of the motor, so that the individual requirements of users with different body types can be completely met.

When people come in and go out of the body and the adjacent seats, the device can be flexibly pulled and adjusted to make enough transverse walking space.

When the article placed on the small table are more, for preventing that the holding power of armrest one side is not enough, the utility model discloses still be equipped with the telescopic link in the bottom surface after the upper table board expandes, can provide the support of opposite side after the pull is extended, ensure the stability of small table.

drawings

FIG. 1 is a schematic overall view of the present invention

FIG. 2 is a schematic view of the lifting base of the present invention

FIG. 3 is a schematic view of the stretching assembly of the present invention

FIG. 4 is a schematic view of a foldable table board of the present invention

FIG. 5 is a schematic view of the foldable table of the present invention

FIG. 6 is a schematic view of the storage state of the present invention

FIG. 7 is a schematic diagram of the first stage of the present invention

FIG. 8 is a schematic diagram of the second stage of the present invention

In the figure, 1, a stepping motor; 2. a lead screw; 3. the lifting device comprises a lifting base 301, a supporting frame 302, a spiral hole 303, a thrust platform 304, a supporting shaft 305 and a supporting plate; 4. an extension component 401, a large rotating buckle 402, a rotating shaft 403, a thrust plate 404 and a thrust end; 5. the folding table comprises a folding table board 501, a small rotating buckle 502, a lower table board 503, a rotating buckle 504, a thrust step 505, an upper table board 506, a small boss 507, a small rotating shaft 508, an outer groove 509 and a telescopic rod.

Detailed Description

A folding adjustable chair built-in flat table is composed of a stepping motor 1, a lead screw 2, a lifting base 3, an extension component 4 and a folding table plate 5, wherein the stepping motor 1 is fixedly arranged at the bottom of the inner space of a chair armrest, and the lifting base 3 is arranged above the stepping motor 1 and is connected with the stepping motor 1 through the lead screw 2; the extension component 4 is connected with the lifting base 3; the folding table 5 is connected with the extension assembly 4.

The lifting base 3 comprises a support frame 301, a spiral hole 302, a thrust platform 303, a support shaft 304 and a support plate 305, the spiral hole 302 is formed in the bottom of the support frame 301 and is connected with the lead screw 2 in a matched mode, the thrust platform 303 is vertically and fixedly installed on the support frame 301, the support shaft 304 is fixedly installed at the top of the support frame 301, and the support plate 305 is fixedly installed in the middle of the support frame 301.

The extension component 4 consists of a large rotating buckle 401, a rotating shaft 402, a thrust plate 403 and a thrust end 404, wherein the large rotating buckle 401 is positioned at one end of the rotating shaft 402 and is nested and connected with the supporting shaft 304 to form a revolute pair; the thrust plate 403 is fixed to the middle of the rotating shaft 402, the thrust end 404 is fixed to the other end of the rotating shaft 402, and the large rotating buckle 401 can move laterally on the rotating shaft 402.

The folding table plate 5 is composed of two small rotary buckles 501, a lower table plate 502, two rotary buckles 503, a thrust step 504, an upper table plate 505, a small boss 506, a small rotating shaft 507, an outer groove 508 and a telescopic rod 509, the upper end and the lower end of one side of the lower table plate 502 are fixedly installed at the two small rotary buckles 501, the upper end and the lower end of the other side of the lower table plate 502 are respectively provided with a screw hole, the upper end and the lower end of the inner side of the upper table plate 505 are also respectively provided with a screw hole, the upper table plate 505 and the lower table plate 502 are connected together at the upper end and the lower end of the two rotary buckles 503 through screws, a coaxial rotary pair is formed, and the thrust step 504 is also arranged at the side of the lower table plate 502; the upper part of the upper table plate 505 is provided with a cuboid small boss 506, the bottom surface of the outer side of the upper table plate 505 is also provided with an outer groove 508, the top end of the outer groove 508 is fixedly provided with a small rotating shaft 507, and the top end of the telescopic rod 509 is connected with the small rotating shaft 507 in a nested manner to form a rotating pair.

The device is embedded in the right armrest of the seat, and after the installation is finished, as shown in fig. 6, the device is in an integral storage state, firstly, the rotating shaft 402 is rotated until the large rotating buckle 401 is clamped to the position of the thrust platform 303, and the device is unfolded in the first stage shown in fig. 7; the folding table 5 is then rotated until the lower table 502 is locked at the position of the thrust plate 403, the second stage of unfolding shown in fig. 8 is achieved, and then the upper table 505 is turned over until the upper table 505 is locked at the position of the thrust step 504, so that the table top is unfolded. The control of the stepping motor 1 is realized by additionally arranging an external key, and the height of the small table is adjusted through the transmission of the lead screw 2; when people need to pass through, the table plate can be pulled in the range of the rotating shaft 402 to make room; when the user needs to get up, the user only needs to directly turn over the upper table plate 505 and clamp the upper table plate to the position of the small boss 506; if more articles are placed, the extension rod 509 in the outer channel 508 can be rotated down and extended to a sufficient length to provide additional support;

When needing to accomodate, withdraw outer groove with telescopic link 509, on folding table 502 down with last table 505 upset, rotate folding table 5 to vertical position, rotate the rotation axis again until the card reaches backup pad 305 position, so far accomplish and accomodate.

for those skilled in the art, based on the teachings of the present invention, changes, modifications, substitutions and variations can be made to the embodiments without departing from the principles and spirit of the invention.

Claims (4)

1. The utility model provides a built-in flat table of foldable adjustable type seat, is by step motor, lead screw, lift base, extend subassembly and folding table and constitute, its characterized in that: the stepping motor is fixedly arranged at the bottom of the inner space of the seat armrest, and the lifting base is arranged above the stepping motor and is connected with the stepping motor through a lead screw; the extension component is connected with the lifting base; the folding table plate is connected with the stretching component.

2. A folding adjustable seat platform as recited in claim 1, wherein: the lifting base comprises a support frame, a spiral hole, a thrust platform, a support shaft and a support plate, the spiral hole is formed in the bottom of the support frame and is connected with a lead screw in a matched mode, the thrust platform is vertically and fixedly installed on the support frame, the support shaft is fixedly installed at the top of the support frame, and the support plate is fixedly installed in the middle of the support frame.

3. A folding adjustable seat platform as recited in claim 1, wherein: the extension component consists of a large rotary buckle, a rotary shaft, a thrust plate and a thrust end, wherein the large rotary buckle is positioned at one end of the rotary shaft and is connected with the support shaft in a nested manner to form a revolute pair; the thrust plate is fixedly connected in the middle of the rotating shaft, the thrust end is fixedly connected at the other end of the rotating shaft, and the large rotating buckle can transversely move on the rotating shaft.

4. A folding adjustable seat platform as recited in claim 1, wherein: the folding table plate comprises two small rotary buckles, a lower table plate, rotary lock catches, thrust steps, an upper table plate, a small boss, a small rotating shaft, an outer groove and a telescopic rod, wherein the two small rotary buckles are fixedly arranged at the upper end and the lower end of one side of the lower table plate; the upper part of the upper table plate is provided with a cuboid small boss, the outer side of the upper table plate is also provided with an outer groove, the top end of the outer groove is fixedly provided with a small rotating shaft, and the top end of the telescopic rod is connected with the small rotating shaft in a nested manner to form a rotating pair.