CN108674435B

CN108674435B - Electric turnover seat

Info

Publication number: CN108674435B
Application number: CN201810631382.6A
Authority: CN
Inventors: 王海斌; 鲁雪娇; 梅世亚
Original assignee: Changzhou Changqing Technology Co ltd
Current assignee: Changzhou Changqing Technology Co ltd
Priority date: 2018-06-19
Filing date: 2018-06-19
Publication date: 2024-03-08
Anticipated expiration: 2038-06-19
Also published as: CN108674435A

Abstract

The utility model provides an electronic tilting chair, including seat and back, the both sides of seat mount respectively are connected with the mounting panel, correspond every side mounting panel and be equipped with electric putter and swing arm, electric putter's upper end is connected at the upper end of mounting panel by the round pin axle is dynamic, be connected with the barrel on electric putter's the end that stretches out, be equipped with driven push rod in the barrel, be equipped with the upper spring between electric putter's the end that stretches out and the driven push rod, be equipped with down the spring on the driven push rod, driven push rod connects between the pivot of swing arm and seat, the upper surface of the rear end platform of both sides board pastes with the bottom surface of the mount of back downside mutually, the seat is in and opens limit state, the bottom of support frame is the wave curved surface, its middle part is the trough of controlling, be equipped with the horizontal pole of controlling between the both sides board of seat and relative trough department, telescopic safety belt is installed at the support frame rear portion of seat. The invention has simple structure, stable seat overturning, no overload risk and reliable performance, and can be suitable for passengers to lean on or disabled people to lean on and fix the wheelchair in a folded state.

Description

Electric turnover seat

Technical Field

The present invention relates to a roll-over chair.

Background

The invention of Chinese patent application number 201710990824.1 discloses an automatic overturning chair for a railway vehicle, which comprises a seat, a backrest, a connecting end plate, a motor, a seat controller, a speed reducer, a torque limiter, a bearing seat, a limit switch, an indicator light, a rotating shaft and a worm and gear mechanism, wherein the worm and gear mechanism comprises a worm wheel and a worm; one end of the worm is connected with the torsion limiter, the other end of the worm is fixed in the connecting end plate through a bearing seat, the worm wheel is arranged in the connecting end plate through a rotating shaft, and limit switches are arranged on the upper side and the lower side of the worm wheel; one side of the worm wheel, which is matched with the worm, is of a gear structure, the other side of the worm wheel, which is of an arc structure, and the indicator lamp is arranged on the front side of the connecting end plate. The turnover seat is used in the railway vehicle, so that the seat can be folded and locked in the peak period of people flow, space is saved, and the passenger transport capacity is improved; at low peak traffic, the seat is opened for use by the passenger. The structure of the overturning seat of the railway carriage is complex, and the railway carriage must consider the problems of setting up disabled areas and fixing disabled wheelchairs.

Disclosure of Invention

The invention aims to provide an electric turnover chair which has a simple structure and reliable performance and can be fixed on a wheelchair for the disabled in a folded state.

In order to achieve the above purpose, the invention adopts the following technical scheme: the invention comprises a seat and a backrest, wherein the backrest comprises a back plate and a fixing frame arranged at the rear side of the back plate, the seat comprises two side plates, and a panel and a supporting frame which are arranged between the two side plates, and the invention is characterized in that: the utility model provides a seat, including the mount, the both sides of mount respectively are connected with the mounting panel, correspond every side mounting panel and be equipped with electric putter and swing arm, electric putter's upper end is connected with the barrel by the round pin axle movable connection in the upper end of mounting panel, be equipped with driven push rod in the barrel, be equipped with the spring between electric putter's the end of stretching out and the driven push rod, be equipped with down the spring on the driven push rod, driven push rod is connected with the one end of swing arm by the round pin axle movable connection from the barrel bottom, on the both sides board of seat and nearly rear end respectively be fixed with the pivot, the other end fixed connection of swing arm is in the pivot, the rear end of both sides board respectively is equipped with the platform, the bottom surface of the mount of platform and back downside is in opening limit state, be connected with the shell wherein electric putter and swing arm cover on the mounting panel, the bottom of support frame is wave curved surface, its middle part indent, form left and right direction trough, be equipped with left and right direction horizontal pole between the both sides board of seat, telescopic safety belt is installed to the support frame rear portion of seat.

The rotating shaft is provided with a chassis, and is connected to the seat through the chassis.

The swing arm is in profile connection with the rotating shaft.

The two side plates of the seat are provided with transverse rods which protrude outwards.

The invention has the following positive effects: the invention adopts the electric push rod to provide power, has simple structure, the electric push rod is externally connected with the driven push rod, the double-spring structure of the driven push rod can realize stable overturning of the seat, when the platform of the seat is attached to the bottom surface of the fixing frame at the lower side of the backrest, the seat is in an opening limit state, the fixing frame bears the gravity born by the seat, the overload risk is avoided, and the performance is reliable. The seat is provided with the cross rod and the safety belt for fixing the wheelchair, and in the folded state, the seat is suitable for the passenger to lean on or the disabled to lean on and the wheelchair to be fixed.

Drawings

Fig. 1 is a perspective view of an opened state of the flip chair.

Fig. 2 is an exploded view of fig. 1.

Fig. 3 is also an exploded view of fig. 1.

Fig. 4 is a front view of the open state of the flip chair.

Fig. 5 is a cross-sectional view A-A of fig. 4.

Fig. 6 is a perspective view showing a folded state of the flip chair.

Fig. 7 is a front view of the folded state of the flip chair.

Fig. 8 is a B-B cross-sectional view of fig. 7.

Fig. 9 is a C-C cross-sectional view of fig. 7.

Fig. 10 is a perspective view of the seat.

Fig. 11 is a perspective view of the swing arm.

Fig. 12 is a perspective view of the shaft.

The reference numerals are as follows: the seat comprises a seat 1, a panel 1-1, a supporting frame 1-2, side plates 1-3, a backrest 2, a backboard 2-1, a fixing frame 2-2, a mounting plate 3, a convex column 3-1, a limit column 3-2, a shell 4, an electric push rod 5, a cylinder 6, a driven push rod 7, a swing arm 8, a rotating shaft 9, a retainer ring 10, an upper spring 11, a lower spring 12, a nut 13, an electric heating element 14, a cross rod 15 and a safety belt 16.

Detailed Description

Example 1

Referring to fig. 1 to 10, the present embodiment includes a seat 1 and a backrest 2. The seat 1 includes two side plates 1-3, a panel 1-1 and a support frame 1-2 provided between the two side plates 1-3. The backrest 2 is provided with a back plate 2-1, and an upper fixing frame 2-2, a middle fixing frame 2-2 and a lower fixing frame 2-2 which are arranged at the rear side of the back plate 2-1, wherein two sides of the fixing frame 2-2 are respectively connected with a mounting plate 3, and an electric push rod 5 and a swing arm 8 are arranged corresponding to each mounting plate 3.

The upper end of each electric push rod 5 is movably connected with the upper end of the corresponding mounting plate 3 by a pin 5-1, a convex column 3-1 is arranged on the mounting plate 3 at the position where the pin 5-1 is connected, and the pin 5-1 is connected in the convex column 3-1. The mounting plate 3 is also provided with a limit post 3-2 for limiting the limit position of the swing arm 8, namely the folding limit position, when the seat is in the folded state. The electric push rod 5 is connected with the barrel 6 on the end that stretches out, be equipped with driven push rod 7 in the barrel 6, driven push rod 7's upper portion is equipped with nut 13, be equipped with spring 11 between the nut 13 of the end that stretches out of electric push rod 5 and driven push rod 7, be connected electric push rod 5 and driven push rod 7 by last spring 11, be equipped with down spring 12 on the driven push rod 7 and be located between nut 13 and the barrel 6 diapire, driven push rod 7's lower extreme stretches out in the hole of barrel 6 bottom, driven push rod 7 stretches out the end and is connected by round pin axle 7-1 and the one end of swing arm 8 is moved, the position of connecting round pin axle 7-1 is equipped with projection 8-1 on the swing arm 8, round pin axle 7-1 is connected in projection 8-1.

The swing arm 8 is connected with the side plate 1-3 of the seat 1 through a rotating shaft 9, the rotating shaft 9 is provided with a chassis 9-1, a groove matched with the chassis 9-1 of the rotating shaft 9 is formed in the side plate 1-3 at the near rear end of the side plate 1-3, the chassis 9-1 of the rotating shaft 9 is fixed in the groove of the seat side plate 1-3, the swing arm 8 is connected with the rotating shaft 9 in a molded surface mode, the end of the rotating shaft 9 is flat, the swing arm 8 is provided with a connecting groove 9-2 matched with the end of the rotating shaft 9 in shape, the swing arm 8 is sleeved on the end of the rotating shaft 9 through the connecting groove 9-2, and a check ring 10 is arranged on the end of the rotating shaft 9 and outside the swing arm 8.

The rear end of the side plate of the seat 1 is provided with a platform 1-3-1, when the platform 1-3-1 is attached to the bottom surface 2-2-1 of the fixing frame 2-2 at the lower side of the backrest, the seat 1 is at the opening limit position, and the lower fixing frame 2-2 bears the gravity born by the seat 1.

The mounting plate 3 is connected with a shell 4 which covers the electric push rod 5 and the swing arm 8.

The bottom of the support frame 1-2 is a wavy curved surface, the middle part of the support frame is concave to form a left-right trough 1-2a, a left-right transverse rod 15 is arranged between the two side plates 1-3 of the seat 1 and at the position opposite to the trough, the position where the transverse rod 15 is arranged on the two side plates 1-3 is outwards protruded, and a gap is reserved between the transverse rod 15 and the support frame 1-2 of the seat 1. The rear part of the supporting frame 1-2 of the seat 1 is provided with a telescopic safety belt 16, and the safety belt 16 is provided with a quick connector.

In the folded condition, when the wheelchair is pushed aside the seat, the wheelchair occupant can grasp the cross bar 15 and can draw out the seat belt around the wheel chair to connect to the cross bar 15 to fix the wheelchair.

In the folded state of the present embodiment, the two electric pushers 5 are extended downward. When the two electric push rods 5 extend upwards synchronously, the two driven push rods 7 are driven to extend upwards, the two driven push rods 7 drive the two swing arms 8 to swing, and the two swing arms 8 drive the seat 1 to open until the platform 1-3-1 of the seat 1 is attached to the bottom surface 2-2-1 of the fixing frame 2-2 at the lower side of the backrest.

Example 2

On the basis of embodiment 1, an electric heater 14 is provided on the bottom surface of the front panel of the seat 1 and the rear side surface of the back panel 2-1. The electric heating element 14 may take the form of an electric heating film.

Claims

1. The utility model provides an electronic tilting chair, includes seat (1) and back (2), and back (2) include backplate (2-1) and set up mount (2-2) at backplate (2-1) rear side, and seat (1) include both sides board (1-3) and panel (1-1) and support frame (1-2) of setting between both sides board (1-3), its characterized in that: the two sides of the fixed frame (2-2) are respectively connected with a mounting plate (3), an electric push rod (5) and a swing arm (8) are arranged corresponding to each side mounting plate (3), the upper end of the electric push rod (5) is movably connected to the upper end of the mounting plate (3) through a pin shaft (5-1), a cylinder body (6) is connected to the extending end of the electric push rod (5), a driven push rod (7) is arranged in the cylinder body (6), an upper spring (11) is arranged between the extending end of the electric push rod (5) and the driven push rod (7), a lower spring (12) is arranged on the driven push rod (7), one end of the driven push rod (7) extending from the bottom of the cylinder body (6) is movably connected to one end of the swing arm (8) through a pin shaft (7-1), two side plates of a seat (1) are respectively fixed with a rotating shaft (9) at the near rear end, the other end of the swing arm (8) is fixedly connected to the rotating shaft (9), a platform (1-3-1) is respectively arranged at the rear end of the two side plates (1-3), when the platform (1-3-1) is attached to the bottom surface (2-2-1) of the fixed frame (2-2) close to the lower side, the movable push rod (7) is in a limited state, the seat (4) is connected to the outer shell (4), the bottom of the supporting frame (1-2) is a wavy curved surface, the middle part of the supporting frame is concave to form a left-right trough (1-2 a), a left-right transverse rod (15) is arranged between two side plates (1-3) of the seat (1) and at the position opposite to the trough, and a telescopic safety belt (16) is arranged at the rear part of the supporting frame (1-2) of the seat (1).

2. The electric roll-over chair of claim 1, wherein: the rotating shaft (9) is provided with a chassis (9-1), and the rotating shaft (9) is connected to the seat (1) through the chassis (9-1).

3. The electric roll-over chair of claim 2, wherein: the swing arm (8) is connected with the rotating shaft (9) in a molded surface mode.

4. The electric roll-over chair of claim 1, wherein: the two side plates (1-3) of the seat (1) are provided with transverse rods (15) which protrude outwards.