CN213820609U

CN213820609U - Dual-purpose chair

Info

Publication number: CN213820609U
Application number: CN202021495042.4U
Authority: CN
Inventors: 陈荣林
Original assignee: Shanghai Heguang Smart Home Co ltd
Current assignee: Shanghai Heguang Smart Home Co ltd
Priority date: 2020-07-27
Filing date: 2020-07-27
Publication date: 2021-07-30
Anticipated expiration: 2030-07-27

Abstract

The utility model belongs to the technical field of the chair, especially, be a dual-purpose chair, the back to in the current chair with put the most rigid of leg plate to the unable problem of satisfying the demand that the user had a rest, the scheme is as follows now put forward, it includes the bedplate, the top one side of bedplate is rotated and is installed the back, the bottom fixed mounting of bedplate has the box, the front side of bedplate is rotated and is installed and put the leg plate, the equal fixed mounting in bottom both sides of bedplate has the pillar, two pillars one side that is close to each other all with the outside fixed connection of box, the internal rotation of box installs first gear and second gear, first gear and second gear intermeshing, the front side fixed mounting of first gear has the cam, and two bevel gears are installed in the internal rotation of box. The utility model discloses realize the dual-purpose function of chair, through the back that sets up with put the leg board to make the user can obtain the rest on this seat, thereby satisfy different personnel's user demand.

Description

Dual-purpose chair

Technical Field

The utility model relates to a chair technical field especially relates to a dual-purpose chair.

Background

The chair is a seat with a backrest, and is provided with armrests. According to the records of the books, the name of the chair is originally found in the Tang Dynasty, and the image of the chair is transferred to the Huchi bed in the North when tracing to Hanwei. The Dunhuang cave fresco has an image that two people sit on the chair; women who sit on a square stool and cross leg benches in the cave mural painting; women who sit on the round stool in the gantry lotus flower-hole stone carving. These images vividly reproduce the use of the north-south orientation of the bench, in the tier, nobler family. Since the Tang dynasty, the use of chairs has increased and the name of the chair has also become widely used, until now it has been separated from the categories of beds.

The backrest and the leg placing plate in the existing chair are mostly fixed, so that the requirement of a user for rest cannot be met.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the backrest and the leg placing plate in the prior chair are mostly fixed, thereby the utility model can not satisfy the defect of the requirement of the user for rest, and providing a dual-purpose chair.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a dual-purpose chair comprises a seat board, wherein a backrest is rotatably arranged on one side of the top of the seat board, a box body is fixedly arranged on the bottom of the seat board, a leg placing plate is rotatably arranged on the front side of the seat board, supporting columns are fixedly arranged on two sides of the bottom of the seat board, one side, close to each other, of each supporting column is fixedly connected with the outer side of the box body, a first gear and a second gear are rotatably arranged in the box body and are meshed with each other, a cam is fixedly arranged on the front side of the first gear, two bevel gears are rotatably arranged in the box body and are meshed with each other, the rear side of one bevel gear of the two bevel gears is fixedly arranged on the front side of the second gear, one end of a threaded rod is fixedly arranged on the outer side of the other bevel gear, the threaded rod is rotatably arranged in the box body, a vertical plate is movably abutted to the outer side of the cam, one end of a horizontal rod is fixedly arranged on the outer side of the vertical plate, the other end of the horizontal rod extends to the outside of the box body and rolls and abuts with the outside of the leg placing plate, the other end of the threaded rod extends to the outside of the box body, the outside of the threaded rod is in threaded connection with a sliding rod, the bottom end of the sliding rod is slidably mounted on the outside of the box body, and the top end of the sliding rod is in rolling connection with the outside of the backrest.

Preferably, one end of the spring is fixedly mounted on the outer side of the leg placing plate, the other end of the spring is fixedly mounted on the outer side of one of the two supports, and the leg placing plate has a certain supporting function through the arranged spring.

Preferably, the rear side fixed mounting of box has the motor, the output shaft fixed mounting of motor is at the rear side of first gear, through the motor that sets up, driving motor, thereby make first gear revolve, thereby drive the second gear revolve, the rotation that first gear followed and make the cam revolve, the rotation of cam makes the horizon bar obtain the function of horizontal direction, thereby can lift up putting the leg board, secondly the rotation of second gear drives the rotation of two bevel gears, thereby drive the rotation of threaded rod, thereby make the slide bar obtain the motion of horizontal direction, thereby increase the angle between back and the bedplate, thereby make the user can lie on the seat to one side.

Preferably, the outer side of the box body is fixedly provided with a guide rail, the bottom end of the sliding rod is fixedly arranged on the inner side of the guide rail, and the sliding rod can move in the horizontal direction through the arranged guide rail.

Preferably, a through hole is formed in one of the two struts, the outer side of the horizontal rod movably abuts against the inner side of the through hole, and the operation of the horizontal rod is standardized through the arranged through hole.

Preferably, the rear side fixed mounting of box has a supporting bench, and motor fixed mounting provides certain supporting role for the motor through the supporting bench that sets up at the top of a supporting bench.

In the utility model, the dual-purpose chair drives the motor through the arranged first gear, so that the first gear rotates to drive the second gear to rotate, so that the cam and the two bevel gears synchronously rotate, the rotation of the cam enables the horizontal rod to obtain the operation in the horizontal direction, so that the leg placing plate can be lifted up, and then the rotation of the bevel gears drives the rotation of the threaded rod, so that the sliding rod obtains the motion in the horizontal direction, and the angle of the backrest can be adjusted;

the utility model discloses a back that sets up with put the leg board to make the user can obtain the rest on this seat, thereby satisfy different personnel's user demand.

Drawings

Fig. 1 is a schematic structural view of a dual-purpose chair according to the present invention;

fig. 2 is a schematic structural view of a portion a of a dual-purpose chair according to the present invention;

fig. 3 is a schematic rear view of the dual-purpose chair according to the present invention.

In the figure: 1. a seat plate; 2. a backrest; 3. a leg placing plate; 4. a pillar; 5. a box body; 6. a first gear; 7. A second gear; 8. a bevel gear; 9. a threaded rod; 10. a slide bar; 11. a cam; 12. a vertical plate; 13. A horizontal bar; 14. a spring; 15. an electric motor.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a dual-purpose chair comprises a seat plate 1, a backrest 2 is rotatably mounted on one side of the top of the seat plate 1, a box 5 is fixedly mounted on the bottom of the seat plate 1, a leg placing plate 3 is rotatably mounted on the front side of the seat plate 1, struts 4 are fixedly mounted on both sides of the bottom of the seat plate 1, one sides of the two struts 4 close to each other are fixedly connected with the outer side of the box 5, a first gear 6 and a second gear 7 are rotatably mounted in the box 5, the first gear 6 is engaged with the second gear 7, a cam 11 is fixedly mounted on the front side of the first gear 6, two bevel gears 8 are rotatably mounted in the box 5, the two bevel gears 8 are engaged with each other, the rear side of one bevel gear 8 of the two bevel gears 8 is fixedly mounted on the front side of the second gear 7, one end of a threaded rod 9 is fixedly mounted on the outer side of the other bevel gear 8, and the threaded rod 9 is rotatably mounted in the box 5, the outside activity butt joint of cam 11 has vertical board 12, and the outside fixed mounting of vertical board 12 has the one end of horizon bar 13, and the other end of horizon bar 13 extends to the outside of box 5 and rolls the butt with the outside of putting leg board 3, and the other end of threaded rod 9 extends to the outside of box 5, and the outside threaded connection of threaded rod 9 has slide bar 10, and the bottom slidable mounting of slide bar 10 is in the outside of box 5, and the top of slide bar 10 and the outside roll connection of back 2.

The utility model discloses in, the outside fixed mounting who puts leg board 3 has the one end of spring 14, and the other end fixed mounting of spring 14 is in the outside of a pillar 4 in two pillars 4, through the spring 14 that sets up to make and put leg board 3 and have certain supporting role.

The utility model discloses in, the rear side fixed mounting of box 5 has motor 15, the output shaft fixed mounting of motor 15 is at the rear side of first gear 6, motor 15 through setting up, driving motor 15, thereby make first gear 6 rotate, thereby it rotates to drive second gear 7, the rotation that first gear 6 followed and make cam 11 rotate, the rotation of cam 11 makes horizon bar 13 obtain the function of horizontal direction, thereby can lift leg plate 3, secondly rotation of second gear 7 drives the rotation of two bevel gears 8, thereby drive the rotation of threaded rod 9, thereby make slide bar 10 obtain the motion of horizontal direction, thereby increase the angle between back 2 and the bedplate 1, thereby make the user lie to one side on the seat.

The utility model discloses in, the outside fixed mounting of box 5 has the guide rail, and the bottom fixed mounting of slide bar 10 is in the inboard of guide rail, through the guide rail that sets up to make slide bar 10 can obtain the removal of horizontal direction.

The utility model discloses in, the through-hole has been seted up to the inside of one pillar 4 in two pillars 4, and the outside activity butt of horizon bar 13 is in the inboard of through-hole, through the through-hole that sets up to the function of horizon bar 13 has been standardized.

The utility model discloses in, the rear side fixed mounting of box 5 has a supporting bench, and thereby motor 15 fixed mounting provides certain supporting role for motor 15 at a supporting bench's top through the brace table that sets up.

The working principle of the chair is as follows: through the arranged first gear 6, firstly the motor 15 is driven, so that the first gear 6 rotates, thereby driving the second gear 7 to rotate, the first gear 6 rotates to drive the cam 11 to rotate, the rotation of the cam 11 enables the horizontal rod 13 to obtain the operation in the horizontal direction, thereby lifting the leg placing plate 3, secondly the rotation of the second gear 7 drives the rotation of the two bevel gears 8, thereby driving the threaded rod 9 to rotate, thereby enabling the sliding rod 10 to obtain the motion in the horizontal direction, thereby increasing the angle between the backrest 2 and the seat plate 1, thereby enabling a user to lie aslant on the seat, thereby carrying out rest, the backrest 2 and the leg placing plate 3 can obtain different angles, thereby meeting the requirements of different people for rest, and finally when the personnel need to work, the motor 15 is driven, the angle between the backrest 2 and the seat plate 1 is reduced, thereby being capable of working, the chair has two functions.

Claims

1. A dual-purpose chair comprises a seat board (1) and is characterized in that one side of the top of the seat board (1) is rotatably provided with a backrest (2), the bottom of the seat board (1) is fixedly provided with a box body (5), the front side of the seat board (1) is rotatably provided with a leg placing plate (3), two sides of the bottom of the seat board (1) are fixedly provided with pillars (4), one sides of the two pillars (4) which are close to each other are fixedly connected with the outer side of the box body (5), the box body (5) is internally rotatably provided with a first gear (6) and a second gear (7), the first gear (6) is meshed with the second gear (7), the front side of the first gear (6) is fixedly provided with a cam (11), the box body (5) is internally rotatably provided with two bevel gears (8), the two bevel gears (8) are meshed with each other, the rear side of one bevel gear (8) of the two bevel gears (8) is fixedly arranged at the front side of the second gear (7), the outside fixed mounting of another bevel gear (8) has the one end of threaded rod (9), threaded rod (9) rotate and install the inside in box (5), the outside activity butt joint of cam (11) has vertical board (12), the outside fixed mounting of vertical board (12) has the one end of horizon bar (13), the other end of horizon bar (13) extend to the outside of box (5) and with put the outside roll butt of leg plate (3), the other end of threaded rod (9) extends to the outside of box (5), the outside threaded connection of threaded rod (9) has slide bar (10), the bottom slidable mounting of slide bar (10) is in the outside of box (5), the top of slide bar (10) and the outside roll connection of back (2).

2. The chair as claimed in claim 1, wherein one end of the spring (14) is fixedly mounted on the outer side of the leg-placing plate (3), and the other end of the spring (14) is fixedly mounted on the outer side of one (4) of the two supports (4).

3. A chair as claimed in claim 1, wherein the housing (5) is fixedly provided with a motor (15) at the rear side thereof, and the output shaft of the motor (15) is fixedly provided at the rear side of the first gear (6).

4. The chair as claimed in claim 1, wherein one of the two supports (4) has a through hole formed therein, and the horizontal bar (13) is movably supported at an outer side thereof by an inner side of the through hole.

5. A chair as claimed in claim 1, wherein a support is fixedly mounted to the rear side of the housing (5), and the motor (15) is fixedly mounted to the top of the support.