CN209769461U - A foldable adjustable seat built-in flat table - 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

A foldable adjustable seat built-in flat table

technical field

The utility model relates to a foldable adjustable seat built-in flat table, further described as an office equipment built in the right armrest of a special seat in a lecture hall, a conference hall, etc., to assist relevant participants The utility model is used for office work and recording, and belongs to the field of office auxiliary equipment.

Background technique

The built-in small table in the arm of the seat is a common office facility in life, especially in the seats of large and medium-sized lecture halls and conference halls. With its large-scale promotion and application, it is more convenient for participants While working and recording, there are also some obvious problems and defects; the common built-in small table has a small desktop area and cannot support a laptop; The entry and exit of personnel is a big obstacle. When the personal height and fat or thinness of the participants are inconsistent, common small tables cannot be adjusted flexibly, which often causes discomfort to users of different sizes.

Therefore be badly in need of designing a kind of seat armrest built-in small table that is flexible and adjustable, and usable area is larger, applicability stronger.

Contents of the invention

In view of the above deficiencies, the utility model provides a foldable adjustable seat built-in flat table.

The utility model is realized through the following technical solutions: a foldable adjustable seat built-in flat table is composed of a stepping motor, a screw, a lifting base, an extension assembly and a folding table, and the stepping motor Fixedly installed at the bottom of the inner space of the armrest of the seat, the lifting base is installed above the stepping motor and connected with the stepping motor through a screw; the stretching component is connected with the lifting base; the folding table is connected with the stretching component.

Further, the lifting base is composed of a support frame, a screw hole, a thrust table, a support shaft and a support plate. There is a screw hole at the bottom of the support frame, which is connected with the lead screw, and the thrust table is fixed vertically on the On the support frame, the support shaft is fixedly installed on the top of the support frame, and the support plate is fixedly installed in the middle of the support frame.

Further, the stretching assembly is composed of a large rotating buckle, a rotating shaft, a thrust plate and a thrust end. The large rotating buckle is located at one end of the rotating shaft, and is nested and connected with the support shaft to form a rotating pair; the thrust plate is fixed Connected to the middle of the rotating shaft, the thrust end is fixedly connected to the other end of the rotating shaft, and the large swivel buckle can move laterally on the rotating shaft.

Further, the folding table board is composed of a small rotating buckle, a lower table board, a rotating lock buckle, a thrust step, an upper table board, a small boss, a small rotating shaft, an outer groove and a telescopic rod. The small rotating buckle has two One, fixedly installed on the upper and lower ends of one side of the lower table, there is a screw hole in the upper and lower ends of the other side of the lower table, the upper and lower ends of the inner side of the upper table also have a screw hole, two rotary locks The upper table and the lower table are connected together by screws at the upper and lower ends to form a coaxial rotation pair, and at the same time, a thrust step is provided on the side of the lower table; There is a small cuboid boss, and an outer groove is also provided on the outside of the table top, a small rotating shaft is fixedly installed on the top of the outer groove, and the telescopic rod top is nested and connected with the small rotating shaft to form a rotating pair.

The utility model is beneficial in that:

After the entire folding table is stretched, the overall usable area is relatively large, which can fully meet the reasonable placement of large and wide personal items such as laptops and A3 drawings;

The extension component can make the table board move back and forth within a certain range and adjust, and the small table can be raised and lowered with the lifting base under the control of the motor, which can completely meet the individual needs of users of different sizes.

When there are people coming and going in and out of the seat next to you, it can also be flexibly pulled and adjusted to make enough room for lateral movement.

When there are many items placed on the small table, in order to prevent insufficient support on one side of the armrest of the seat, the utility model is also equipped with a telescopic rod on the bottom surface of the upper table after it is unfolded, and the other side can be provided after stretching and unfolding. Support to ensure the stability of the small table.

Description of drawings

Accompanying drawing 1 is the overall development schematic diagram of the utility model

Accompanying drawing 2 is the schematic diagram of lifting base of the present utility model

Accompanying drawing 3 is the schematic diagram of the extension assembly of the utility model

Accompanying drawing 4 is the schematic diagram of folding table board of the present utility model

Accompanying drawing 5 is the folding table board expansion schematic diagram of the utility model

Accompanying drawing 6 is a schematic diagram of the storage state of the utility model

Accompanying drawing 7 is the schematic diagram of the first stage of deployment of the utility model

Accompanying drawing 8 is the schematic diagram of the second stage of unfolding of the utility model

In the figure, 1. stepper motor; 2. lead screw; 3. lifting base, 301. support frame, 302. screw hole, 303. thrust table, 304. support shaft, 305. support plate; 4. extension assembly , 401, large rotating buckle, 402, rotating shaft, 403, thrust plate, 404, thrust end; 5, folding table, 501, small rotating buckle, 502, lower table, 503, rotating lock, 504, Thrust step, 505, upper table plate, 506, small boss, 507, small rotating shaft, 508, outer groove, 509, telescopic rod.

Detailed ways

A folding adjustable seat built-in flat table, which is composed of a stepping motor 1, a screw 2, a lifting base 3, an extension component 4 and a folding table 5, and the stepping motor 1 is fixedly installed on the armrest of the seat At the bottom of the inner space, the lifting base 3 is installed above the stepping motor 1 and connected with the stepping motor 1 through the lead screw 2; the stretching assembly 4 is connected with the lifting base 3;

The lifting base 3 is composed of a support frame 301, a screw hole 302, a thrust table 303, a support shaft 304 and a support plate 305. The bottom of the support frame 301 is provided with a screw hole 302, which is connected with the lead screw 2 to stop The push platform 303 is vertically and fixedly installed on the support frame 301 , the support shaft 304 is fixedly installed on the top of the support frame 301 , and the support plate 305 is fixedly installed on the middle part of the support frame 301 .

The extension assembly 4 is composed of a large rotating buckle 401, a rotating shaft 402, a thrust plate 403 and a thrust end 404. The large rotating buckle 401 is located at one end of the rotating shaft 402, and is nested and connected with the supporting shaft 304 to form a rotating Auxiliary; the thrust plate 403 is affixed to the middle of the rotating shaft 402 , the thrust end 404 is affixed 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 5 is composed of a small rotating buckle 501, a lower table 502, a rotating lock 503, a thrust step 504, an upper table 505, a small boss 506, a small rotating shaft 507, an outer groove 508 and a telescopic rod 509. Formed, there are two small rotary buckles 501, fixedly installed on the upper end and the lower end of the lower table plate 502 one side, the upper end and the lower end of the lower table plate 502 other side respectively have a screw hole, the inner side upper and lower ends of the upper table plate 505 also Equally each has a screw hole, two rotary locks 503 connect the upper table 505 and the lower table 502 together by screws at the upper end and the lower end, and form a coaxial rotation pair, and at the same time on this side of the lower table 502 The side is also provided with a thrust step 504; the top of the upper table 505 is provided with a small cuboid boss 506, and the outer bottom surface of the upper table 505 is also provided with an outer groove 508, and a small rotating shaft is fixedly installed on the top of the outer groove 508. 507, the top of the telescopic rod 509 is nestedly connected with the small rotating shaft 507 to form a rotating pair.

This device is embedded in the right armrest of the seat. After the installation is completed, as shown in Figure 6, it is in the state of overall storage. First, rotate the rotating shaft 402 until the large rotating buckle 401 is stuck to the position of the thrust table 303, reaching the position shown in Figure 7. The first stage shown in Figure 8 unfolds; then rotate the folding table 5 until the lower table 502 is stuck to the position of the thrust plate 403, reaching the second stage shown in FIG. Card to the thrust step 504 position, so far the desktop is flattened. Control the stepper motor 1 by adding external buttons, and then adjust the height of the small table through the transmission of the screw 2; when someone needs to pass, the table can be pulled within the range of the rotating shaft 402 to make room ; When one needs to get up, one only needs to directly turn over the upper table plate 505 and get stuck to the position of the small boss 506; length for extra support;

When it needs to be stored, retract the telescopic rod 509 into the outer groove, flip and fold the upper table 505 onto the lower table 502, turn the folding table 5 to the vertical position, and then turn the rotating shaft until it is locked to the position of the support plate 305, and it is completed Storage.

For those of ordinary skill in the art, according to the teachings of the utility model, without departing from the principle and spirit of the utility model, the changes, modifications, replacements and modifications made to the embodiments still fall within the scope of the utility model. within the scope of protection.

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.