CN105996516B

CN105996516B - Public chair

Info

Publication number: CN105996516B
Application number: CN201610526518.8A
Authority: CN
Inventors: 庾萍
Original assignee: Guilin University of Electronic Technology
Current assignee: Guilin University of Electronic Technology
Priority date: 2016-07-05
Filing date: 2016-07-05
Publication date: 2023-03-24
Anticipated expiration: 2036-07-05
Also published as: CN105996516A

Abstract

The invention discloses a public chair, which comprises a plurality of seats which are arranged side by side left and right, wherein each seat comprises a front seat plate and a rear seat plate, the front seat plate and the rear seat plate are connected through a synchronous up-down turnover mechanism, the corresponding seat plates of the adjacent seats are connected through a lagging side turnover mechanism, under the action of a return spring, the front seat plate and the rear seat plate are turned upwards in the upper limit position of a free state in an opposite direction, the acting force of the return spring is overcome, and the front seat plate and the rear seat plate are turned downwards in the lower limit position of a sitting position in an opposite direction; the downward-turning seat plate which is seated on one seat drives the seat plates on the two sides to be turned down after delay, and the more the downward-turning angle of the downward-turning seat plate is closer to the side seat plate of the seat plate. When a person sits on one of the seats in use, the front seat plate and the rear seat plate of the other seat can be opened at different angles to form an inviting posture, the inviting posture is like that a beginner indicates that a companion enters the seat to convey friendly information, and the closer to the seat at the sitting position, the larger the opening angle of the front seat plate and the rear seat plate is.

Description

Public chair

Technical Field

The invention relates to public facilities, in particular to a public chair.

Background

Public places such as parks, streets, markets, hospitals, stations, docks, etc. usually use public seats for people to wait and rest, and the types of public seats mostly use integral seats and multi-position seats, which are divided into non-backrest seats and backrest seats.

The whole seat has a certain length, and the middle part of the whole seat is not divided, so people can sit disorderly in no order.

The multi-position chair is divided into seats on the basis of an integral chair, the seats are generally divided by adopting seats or armrests, and in a high-grade multi-position chair adopting the armrests, seat plates of the independent seats can be overturned.

The seat is invariable for decades and a day, and lacks new ideas, which causes aesthetic fatigue of people.

Disclosure of Invention

In the face of the current situation, the invention provides a unique, innovative and unique public seat.

The invention discloses a public chair, which comprises a plurality of seats which are arranged side by side left and right, and is characterized in that each seat comprises a front seat plate and a rear seat plate, the front seat plate and the rear seat plate are connected through a synchronous up-down turnover mechanism, the corresponding seat plates of the adjacent seats are connected through a lagging side turnover mechanism, under the action of a return spring, the front seat plate and the rear seat plate are turned upwards in the upper limit position of a free state, the acting force of the return spring is overcome, and the front seat plate and the rear seat plate are turned downwards in the lower limit position of a sitting position in a reverse direction; the downward-turning seat plate which is seated on one seat drives the seat plates on the two sides to be turned down at a certain angle, and the closer to the side seat plate of the seat plate, the larger the downward-turning angle is.

One structure of the synchronous up-down turnover mechanism comprises a front rotating shaft, a rear rotating shaft, a front gear and a rear gear which are meshed with each other, the inner ends of the front seat plate and the rear seat plate are fixedly arranged on the front rotating shaft and the rear rotating shaft respectively, and the front gear and the rear gear are fixedly arranged on the front rotating shaft and the rear rotating shaft respectively.

One structure of the lagging side turning mechanism comprises a radial deflector rod arranged at the inner end of one seat plate and a front axial baffle rod and a rear axial baffle rod arranged at the inner end of the other seat plate, wherein the deflector rod is arranged between the front baffle rod and the rear baffle rod, and the central angle between the front baffle rod and the rear baffle rod is the degree of turning down of the other seat plate after one seat plate lags behind the other seat plate.

Conventionally, the left or right direction from the middle seat is set, the lag side turning mechanisms between the adjacent seat plates on each seat are arranged in a clockwise or anticlockwise equidistant staggered manner, and the left and right lag side turning mechanisms of the middle seat are symmetrical in position.

The invention has the beneficial effects that:

when a person sits on one of the seats in the public chair, the front seat plate and the rear seat plate of the other seat can be opened at different angles to form an inviting posture, the inviting posture is like a poster indicating a fellow to sit in, friendly information is conveyed, and the opening angle of the front seat plate and the rear seat plate is larger as the position of the seat is closer to the sitting position.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of another embodiment of the present invention.

Fig. 3 is a schematic structural diagram of the synchronous turnover mechanism in the embodiment of fig. 1 and 2.

Fig. 4 is a view showing an installation position of the return spring in the embodiment of fig. 1 and 2.

Fig. 5 is a schematic structural diagram of the lagging side overturning mechanism in the embodiment of fig. 1 and 2.

Drawing number identification: 1. a seat plate; 2. a seat frame; 3. a foot rest; 4. a rotating shaft; 5. a return spring; 6. a deflector rod; 7. a stop lever.

The specific implementation mode is as follows:

the technical solution of the present invention will be further explained with reference to the embodiments shown in the drawings.

The technical scheme of the public chair comprises seven seats which are arranged side by side left and right on a seat frame 2, wherein the seat frame 2 is supported by a left foot stand 3, a middle seat stand 3 and a right foot stand 3, each seat comprises a front seat plate 1 and a rear seat plate 1, the front seat plate 1 and the rear seat plate 1 are connected through a synchronous up-down turnover mechanism, the synchronous up-down turnover mechanism comprises a front rotating shaft 4, a rear rotating shaft 4, a front gear and a rear gear, the rotating shafts 4 are mounted on the seat frame 2 through bearing seats at two ends, the front gear and the rear gear are fixedly mounted on the front rotating shaft 4 and the rear rotating shaft 4 respectively and are mutually meshed, two ends of the inner ends of the front seat plate 1 and the rear seat plate 1 are fixedly mounted at two shaft ends of the corresponding rotating shafts 4 respectively, and return springs 5 for enabling the seat plates 1 to be turned over and return are mounted between the front seat plate 1 and the seat frame 2 respectively as shown in fig. 1, 2, 3 and 4.

The front seat plates 1 or the rear seat plates 1 of adjacent seats are connected through a lagging side turning mechanism, the lagging side turning mechanism comprises a radial deflector rod 6 and front and rear axial stop rods 7, the deflector rod 6 is fixedly arranged on the corresponding shaft end of the inner end of one seat plate 1 through a ring sleeve, the front and rear stop rods 7 are fixedly arranged on the corresponding shaft end of the inner end of the other seat plate 1 through another ring sleeve, the deflector rod 6 is arranged between the front and rear stop rods 7, and the central angle between the front and rear stop rods 7 is the downward turning degree of the other seat plate 1 after the one seat plate 1 lags behind the other seat plate 1 (the thickness of the deflector rod 6 is not considered); the lagging side turning mechanisms between the adjacent seat plates 1 on each seat are arranged in a staggered mode at equal intervals in a clockwise or anticlockwise direction from the middle seat to the left or right, and the lagging side turning mechanisms on the left and right of the middle seat are symmetrical in position, as shown in figures 1, 2 and 5.

The use mode of the invention is as follows:

1. when no person sits on the seat in a free state, the front seat plate 1 and the rear seat plate 1 of each seat are turned upwards to the upper limit position of the seat frame 2 under the action of the return spring 5, and the front seat plate 1 and the rear seat plate 1 form a small-angle included angle.

2. As shown in figure 1, when a person sits on the left end and the right end, the external force overcomes the action of the return spring 5, so that the front seat plate 1 and the rear seat plate 1 of the sitting position are turned back to the lower limit position of the seat frame 2, the maximum included angle degree is formed between the front seat plate 1 and the rear seat plate 1, due to the action of the lagging side turning mechanism, the front seat plate 1 and the rear seat plate 1 of other seats between the left end seat plate and the right end seat plate are sequentially turned down and opened, and the included angle degree formed by turning down the front seat plate 1 and the rear seat plate 1 of each seat is gradually reduced from outside to inside.

3. As shown in figure 2, when a person only sits on the left end, the external force overcomes the action of the return spring 5, the front seat plate 1 and the rear seat plate 1 of the sitting seat are turned back to the lower limiting position of the seat frame 2, the maximum included angle degree is formed between the front seat plate 1 and the rear seat plate 1, from outside to inside, the front seat plate 1 and the rear seat plate 1 of the second seat, the third seat and the fourth seat are turned back to the outside in sequence, the included angle degree formed between the front seat plate 1 and the rear seat plate 1 is reduced in sequence, and the front seat plate 1 and the rear seat plate 1 of the fifth seat, the sixth seat and the seventh seat are stopped in a free state of no person sitting without the action of a lagging side turning mechanism.

4. When someone only takes a seat in the middle, the external force overcomes the action of the return spring 5, so that the front seat board 1 and the rear seat board 1 which take the seat back on the other side are turned down to the lower limit position of the seat frame 2, the maximum included angle degree is formed between the front seat board 1 and the rear seat board 1, the front seat board 1 and the rear seat board 1 are turned back on the other side and are turned down from the middle seat to the left and the right, and the included angle degree formed between the front seat board 1 and the rear seat board 1 is reduced in sequence.

Claims

1. A public chair comprises seven seats which are arranged side by side on the left and right of a seat frame (2), wherein the seat frame (2) is supported by a left foot rest (3), a middle foot rest (3) and a right foot rest (3), each seat comprises a front seat plate (1) and a rear seat plate (1), the front seat plate (1) and the rear seat plate (1) are connected through a synchronous up-down turnover mechanism, the synchronous up-down turnover mechanism comprises a front rotating shaft (4) and a rear rotating shaft (4) and a front gear and a rear gear, the rotating shafts (4) are arranged on the seat frame (2) through bearing seats at two ends, the front gear and the rear gear are fixedly arranged on the front rotating shaft (4) and the rear rotating shaft (4) respectively and are meshed with each other, two ends of the inner ends of the front seat plate (1) and the rear seat plate (1) are fixedly arranged at two shaft ends corresponding to the rotating shafts (4), and return springs (5) for enabling the seat plates (1) to be turned over and return are arranged between the front seat frame (2) and the rear seat plate (1) respectively;

the front seat plates (1) or the rear seat plates (1) of adjacent seats are connected through a lag side turning mechanism, the lag side turning mechanism comprises a radial deflector rod (6) and front and rear axial stop rods (7), the deflector rod (6) is fixedly arranged on the corresponding shaft end of the inner end of one seat plate (1) through a ring sleeve, the front and rear stop rods (7) are fixedly arranged on the corresponding shaft end of the inner end of the other seat plate (1) through another ring sleeve, the deflector rod (6) is arranged between the front and rear stop rods (7), and the central angle degree between the front and rear stop rods (7) is the degree of downward turning of the other seat plate (1) after the seat plate (1) lags;

the lagging side turning mechanisms between the adjacent seat plates (1) on each seat are arranged in a staggered way in a clockwise or anticlockwise equidistant way from the middle seat to the left or right, and the lagging side turning mechanisms on the left and right of the middle seat are symmetrical in position.