CN214905299U

CN214905299U - Novel deformable sliding chair

Info

Publication number: CN214905299U
Application number: CN202023261639.5U
Authority: CN
Inventors: 王文睿; 金涛; 顾浩然; 何嘉敏
Original assignee: China University of Petroleum East China
Current assignee: China University of Petroleum East China
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2021-11-30
Anticipated expiration: 2030-12-29

Abstract

A new transformable sliding chair comprising: the device comprises a driving gear, a driving shaft, a front shaft, a rear shaft, a worm gear, a worm, a pinion, a cross sleeve, a parallelogram connecting rod, wheels, a support frame, a small rack, a front chair plate, a rear chair plate, a large rack, a motor and a small rod piece; power is transmitted to the driving shaft from the motor through the worm gear mechanism, the driving shaft drives the driving gear to rotate to control the chair to move back and forth and simultaneously drive the pinion to rotate, the pinion is meshed with the pinion to enable the small rod piece to transmit the power to the parallelogram connecting rod through the cross sleeve, and the parallelogram connecting rod is driven to move to enable the front chair plate and the rear chair plate of the chair to be horizontally placed, so that the conversion between the chair and the folding bed is realized. The multifunctional folding chair has the advantages that the operation is simple, a user can fold the bed board into three parts when using the chair, the occupied space is reduced, the driving motor can be changed into a folding bed when the user needs to have a rest, and the multifunctional change of the chair is realized.

Description

Novel deformable sliding chair

The technical field is as follows:

the invention relates to a chair device, in particular to a deformable sliding chair.

Background art:

furniture is an indispensable appliance for human beings to maintain normal life, engage in production and labor and develop social activities, and the furniture is continuously developed and innovated following the foot steps of the times. At present, furniture doors are various in types, various in materials, complete in variety and different in purposes, and are one of indispensable parts in family life. The chair is common furniture for families, schools and enterprises, and although the existing chairs are various in types and different in styles, the existing chairs are single in function, generally cannot be detached and deformed randomly, and are only used as a seat under most conditions.

With the continuous improvement of the requirements of people on the new functions of the chair and the continuous progress of the technology, various types of deformable chairs appear in the market. However, the existing deformable chair generally has a complex structure, has high requirements on the operation level of a user, and is not easy to realize the deformation function quickly.

Therefore, a novel deformable chair which is simple to operate is quite necessary, and the innovation of the deformable chair on the market is promoted.

The invention content is as follows:

the deformable sliding chair provided by the invention can be used on the premise of using one power source, the mechanical structure is driven to deform by the sliding of the chair, so that the chair becomes a simple folding bed, the space occupied by the chair is fully utilized, and the chair is more practical.

In order to solve the technical problems, the invention adopts the following technical scheme: the chair mainly comprises a driving gear, a driving shaft, a front shaft, a rear shaft, a worm wheel, a worm, a pinion, a cross sleeve, a parallelogram connecting rod, wheels, a support frame, a small rack, a front chair plate, a seat plate, a rear chair plate, a large rack, a motor and a small rod piece; the method is characterized in that: the big rack is fixedly arranged on the ground, the driving gear is meshed with the big rack, the driving shaft is in key connection with the driving gear, the motor is fixed on the support frame, the worm is in key connection with the motor, the worm wheel is meshed with the worm, the pinion is in key connection with the driving shaft, the pinion is meshed with the small rack, the small rack is in bolt connection with the small rod piece, the small rod piece is in clearance fit with the cross sleeve, the front shaft is connected with the support frame through a bearing, the wheel is connected with the front shaft through a bearing, the rear shaft is connected with the support frame through a bearing, the wheel is connected with the rear shaft through a bearing, the cross sleeve is in interference fit with the parallelogram connecting rod, the front chair plate is in bolt connection with the parallelogram connecting rod, the rear chair plate is in bolt connection with the parallelogram connecting rod, the parallelogram connecting rod is connected with the supporting frame through a bolt.

The driving gear is installed in the middle of the driving shaft, the worm wheel and the pinion are installed on two sides of the driving gear, the pinion is installed on the upper side of the pinion, the worm is installed on the upper side of the worm wheel, and the cross sleeve is installed on the lower side of the rear chair plate.

The invention has the advantages that the chair is deformed into a simple folding bed through the sliding of the chair under the condition of one power source, and the bed board is divided into three parts to be folded when the chair is used, so that the occupied space is reduced, and the chair is more practical.

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

Description of the drawings:

FIG. 1 is a schematic view of the overall structure of a transformable sliding chair according to the invention;

FIG. 2 is a right side view of FIG. 1;

fig. 3 is a front view of fig. 1.

FIG. 4 is a partial structural view of the bottom shafting according to the present invention.

In the figure: a novel deformable sliding chair mainly comprises a driving gear (1), a front shaft (2), a worm wheel (3), a worm (4), a pinion (5), a cross sleeve (6), a parallelogram connecting rod (7), wheels (8), a support frame (9), a small rack (10), a rear chair plate (11), a chair plate (12), a front chair plate (13), a large rack (14), an electric motor (15), a driving shaft (16), a rear shaft (17) and a small rod piece (18).

The specific implementation mode is as follows:

in fig. 1, 2, 3 and 4, a novel deformable sliding chair mainly comprises a driving gear (1), a front shaft (2), a worm gear (3), a worm (4), a pinion (5), a cross sleeve (6), a parallelogram connecting rod (7), wheels (8), a support frame (9), a small rack (10), a rear chair plate (11), a chair plate (12), a front chair plate (13), a large rack (14), a motor (15), a driving shaft (16), a rear shaft (17) and a small rod (18); the large rack (14) is fixedly installed on the ground, the driving gear (1) is meshed with the large rack (14), the driving shaft (16) is in key connection with the driving gear (1), the motor (15) is fixed on the support frame (9), the worm (4) is in key connection with the motor (15), the worm wheel (3) is meshed with the worm (4), the pinion (5) is in key connection with the driving shaft (16), the pinion (5) is meshed with the small rack (10), the small rack (10) is in clearance fit with the small rod piece (18), the small rod piece (18) is in clearance fit with the cross sleeve (6), the front shaft (2) is connected with the support frame (9) through a bearing, the wheel (8) is connected with the front shaft (2) through a bearing, and the rear shaft (17) is connected with the support frame (9) through a bearing, wheel (8) pass through the bearing with rear axle (17) and are connected, cross sleeve (6) are connected with parallelogram connecting rod (7) interference, preceding chair plate (13) pass through bolted connection with parallelogram connecting rod (7), seat plate (12) pass through bolted connection with parallelogram connecting rod (7), back chair plate (11) pass through bolted connection with parallelogram connecting rod (7), parallelogram connecting rod (7) pass through bolted connection with support frame (9).

The utility model discloses a chair, including driving gear (1), driving shaft (16), worm wheel (3), pinion (5) install in driving gear (1) both sides, rack pinion (10) are installed in pinion (5) upside, worm (4) are installed in worm wheel (3) upside, cross sleeve (6) are installed at back chair board (11) downside.

Power is transmitted to a driving shaft (16) from a motor (15) through a worm wheel (3) and worm (4) mechanism, the driving shaft (16) drives a driving gear (1) to rotate, the driving gear (1) and a large rack (14) are meshed to drive the whole chair to move forwards or backwards, meanwhile, the driving shaft (16) drives a small gear (5) to rotate, the small gear (5) is meshed with a small rack (10) to convert rotary motion into linear motion, a small rod piece (18) fixedly connected with the small rack (10) transmits power to a parallelogram connecting rod (7) through a cross sleeve (6), the parallelogram connecting rod (7) is driven to move, horizontal placement and vertical placement of a front chair plate (13) and a rear chair plate (11) of the chair are achieved, and conversion between the chair and a folding bed is achieved.

Claims

1. A novel deformable sliding chair mainly comprises a driving gear (1), a front shaft (2), a worm wheel (3), a worm (4), a pinion (5), a cross sleeve (6), a parallelogram connecting rod (7), wheels (8), a support frame (9), a small rack (10), a rear chair plate (11), a chair plate (12), a front chair plate (13), a large rack (14), an electric motor (15), a driving shaft (16), a rear shaft (17) and a small rod piece (18); the method is characterized in that: the large rack (14) is fixedly installed on the ground, the driving gear (1) is meshed with the large rack (14), the driving shaft (16) is in key connection with the driving gear (1), the motor (15) is fixed on the support frame (9), the worm (4) is in key connection with the motor (15), the worm wheel (3) is meshed with the worm (4), the pinion (5) is in key connection with the driving shaft (16), the pinion (5) is meshed with the small rack (10), the small rack (10) is in clearance fit with the small rod piece (18), the small rod piece (18) is in clearance fit with the cross sleeve (6), the front shaft (2) is connected with the support frame (9) through a bearing, the wheel (8) is connected with the front shaft (2) through a bearing, the rear shaft (17) is connected with the support frame (9) through a bearing, the wheel (8) is connected with the rear shaft (17) through a bearing, the cross sleeve (6) is in interference connection with the parallelogram connecting rod (7), the front chair plate (13) is in bolted connection with the parallelogram connecting rod (7), the seat plate (12) is in bolted connection with the parallelogram connecting rod (7), the rear chair plate (11) is in bolted connection with the parallelogram connecting rod (7), and the parallelogram connecting rod (7) is in bolted connection with the supporting frame (9).

2. The new flexible sliding chair as claimed in claim 1, wherein: the driving gear (1) is arranged in the middle of the driving shaft (16).

3. The new flexible sliding chair as claimed in claim 1, wherein: the worm wheel (3) and the pinion (5) are arranged on two sides of the driving gear (1).

4. The new flexible sliding chair as claimed in claim 1, wherein: the small rack (10) is arranged on the upper side of the pinion (5).

5. The new flexible sliding chair as claimed in claim 1, wherein: the worm (4) is arranged on the upper side of the worm wheel (3).

6. The new flexible sliding chair as claimed in claim 1, wherein: the cross sleeve (6) is arranged at the lower side of the rear chair plate (11).