CN208344224U - A kind of power folding seat - Google Patents

Abstract

A kind of power folding seat, including seat, backrest, swing arm and two electric pushrods, the two sides of fixed frame are respectively connected with mounting plate, the upper end of every electric pushrod is connected to the upper end of corresponding mounting plate by pin shaft, cylinder is connected on the extension end of electric pushrod, driven push rod is equipped in cylinder, upper spring is equipped between the extension end of electric pushrod and driven push rod, driven push rod is equipped with lower spring, driven push rod is from one end that one end that cylinder body bottom stretches out is connected to swing arm by pin shaft, the two sides rear end Shang Qiejin of seat is respectively fixed with shaft, the other end of swing arm is connected in shaft, the two sides rear end of seat is respectively provided with platform, when seat is vertical with backrest, the platform of seat and the bottom surface of the fixed frame on the downside of backrest are affixed, it is connected on mounting plate and electric pushrod and swing arm is covered on into shell therein.The utility model structure is simple, turnover seat is steady, does not overload risk, reliable performance.

Description

A kind of power folding seat

Technical field

The utility model relates to rumble seats.

Background technique

A kind of rail vehicle automatic turning seat of the disclosure of the invention of 201710990824 .1 of Chinese Patent Application No., packet Include seat, backrest, connection board, motor, seat controller, retarder, torque force limiting device, bearing block, limit switch, instruction Lamp, shaft and worm gear mechanism, worm gear mechanism include worm gear and worm screw, and motor and retarder are fixedly mounted on connecting pin Rear side in plate, motor upper end are equipped with stand-by power input port, and motor lower end connects retarder, and retarder connects torsion limitation Device；Worm screw one end is connected with torque force limiting device, and the worm screw other end is fixed in connection board by bearing block, and worm gear passes through shaft It is mounted in connection board, worm gear is provided with limit switch in two sides up and down；The side of worm gear and worm screw cooperation is gear structure, The other side is arc structure, and indicator light is mounted on the front side of connection board.Rumble seat is used in rail vehicle, it can be in people It flows peak period and seat is folded into latching, vacating space improves passenger capacity；In stream of people's ebb, seat is opened to be made for passenger With.The structure of above-mentioned trolley coach overturning seat is more complex.

Summary of the invention

The purpose of this utility model is that proposing that a kind of structure is simple and the power folding seat of reliable performance.

In order to achieve the above objectives, the utility model adopts the following technical scheme: power folding seat includes seat and backrest, The fixed frame that backrest has backboard and is arranged on rear side of backboard, it is characterised in that: the two sides of fixed frame are respectively connected with mounting plate, right Should every side mounting plate be equipped with electric pushrod and swing arm, the upper end of electric pushrod is electronic by the dynamic upper end for being connected to mounting plate of pin shaft It is connected with cylinder on the extension end of push rod, is equipped with driven push rod in cylinder, is set between the extension end of electric pushrod and driven push rod There is upper spring, driven push rod is equipped with lower spring, and driven push rod is connected to swing arm by pin shaft is dynamic from one end that cylinder body bottom stretches out One end on, the two sides rear end Shang Qiejin of seat is respectively fixed with shaft, and the other end of swing arm is fixedly connected in shaft, seat Two sides rear end be respectively provided with platform, the bottom surface of the fixed frame on the downside of the upper surface of platform and backrest is affixed, seat be in open Limiting condition is connected on mounting plate electric pushrod and swing arm covering on shell therein.

The shaft has chassis, and shaft is connected on the seat by chassis.

The swing arm and shaft take Profile Connection.

On the panel bottom surface of the seat and electric heating part is provided on the trailing flank of backboard.

The utility model has following good effect: the utility model provides power using electric pushrod, and structure is simple, electricity The dynamic external driven push rod of push rod, the double-spring structure of driven push rod is able to achieve that turnover seat is steady, when the upper table of the platform of seat Face and the bottom surface of the fixed frame on the downside of backrest are affixed, and seat, which is in, opens limiting condition, as suffered by fixed frame carrying seat Gravity does not overload risk, reliable performance.

Detailed description of the invention

Fig. 1 is the perspective view of rumble seat opening state.

Fig. 2 is the explosive view of Fig. 1.

Fig. 3 is also the explosive view of Fig. 1.

Fig. 4 is the front elevation of rumble seat.

Fig. 5 is the A-A cross-sectional view of Fig. 4.

Fig. 6 is the B-B cross-sectional view of Fig. 4.

Fig. 7 is the perspective view of swing arm.

Fig. 8 is the perspective view of shaft.

Fig. 9 is the perspective view of rumble seat folded state.

Appended drawing reference is as follows: seat 1, backrest 2, backboard 2-1, fixed frame 2-2, mounting plate 3, pillar 3-1, limited post 3-2, Shell 4, electric pushrod 5, cylinder 6, driven push rod 7, swing arm 8, shaft 9, retaining ring 10, upper spring 11, lower spring 12, nut 13, Electric heating part 14.

Specific embodiment

Embodiment 1

See that Fig. 1 to Fig. 8, the present embodiment include seat 1 and backrest 2, backrest 2 has backboard 2-1 and is arranged after backboard 2-1 The fixed frame 2-2 of upper, middle and lower three of side, the two sides of fixed frame 2-2 are respectively connected with mounting plate 3, and corresponding every mounting plate 3 is equipped with electricity Dynamic push rod 5 and swing arm 8.

The upper end of every electric pushrod 5 is moved the upper end for being connected to corresponding mounting plate 3 by pin shaft 5-1, connects pin shaft on mounting plate 3 The position of 5-1 is equipped with pillar 3-1, and pin shaft 5-1 is connected in pillar 3-1.Limited post 3-2 is additionally provided on mounting plate 3, for limiting The extreme position of swing arm 8 when reservation chair is in folded state folds extreme position.Electric pushrod is connected with cylinder on 5 extension end 6, cylinder 6 is interior to be equipped with driven push rod 7, and the top of driven push rod 7 is equipped with nut 13, the extension end of electric pushrod 5 and driven push rod 7 Nut 13 between be equipped with upper spring 11, electric pushrod 5 is connect with driven push rod 7 by upper spring 11, on driven push rod 7 and is located Lower spring 12 is equipped between 6 bottom wall of nut 13 and cylinder, the lower end of driven push rod 7 is stretched out from the hole of 6 bottom of cylinder, driven The extension end of push rod 7 is connected by one end of pin shaft 7-1 and swing arm 8 is dynamic, and the position that pin shaft 7-1 is connected in swing arm 8 is equipped with pillar 8- 1, pin shaft 7-1 is connected in pillar 8-1.

Connected between swing arm 8 and the side plate 1-3 of seat 1 by shaft 9, shaft 9 has a chassis 9-1, side plate 1-3 it is upper and closely after End is equipped with the matched groove of chassis 9-1 with shaft 9, and the chassis 9-1 of shaft 9 is fixed in the groove of seat side plate 1-3, swing arm Profile Connection between 8 and shaft 9, take shaft 9 end be it is flat-shaped, swing arm 8 be equipped with the tip shapes of shaft 9 it is matched Link slot 9-2, swing arm 8 are covered on the end of shaft 9 using link slot 9-2, outer on the end of shaft 9 and in swing arm 8 Side is equipped with retaining ring 10.

The two sides rear end of seat 1 is respectively provided with platform 1-1, the bottom surface 2-2- of the fixed frame 2-2 on the downside of platform 1-1 and backrest 1 is affixed, and seat 1 carries gravity suffered by seat 1 as the fixed frame 2-2 of downside i.e. in extreme position is opened.

It is connected on mounting plate 3 and electric pushrod 5 and swing arm 8 is covered on into shell 4 therein.

When Fig. 9 is that the present embodiment is in folded state, two electric pushrods 5 are downwardly extending.When two electric pushrods 5 synchronize It stretches, drives and stretched on two driven push rods 7, two driven push rods 7 drive two swing arms 8 to swing, and drive seat 1 to open by two swing arms 8, until The platform 1-1 of seat 1 and the bottom surface 2-2a of the fixed frame 2-2 on the downside of backrest are affixed.

Embodiment 2

On the basis of embodiment 1, electric heating part is provided on the panel bottom surface of seat 1 and the trailing flank of backboard 2-1 14.Electric heating part 14 can take electric heating film.

Claims (4)

1. a kind of power folding seat, including seat (1) and backrest (2), backrest (2) has backboard (2-1) and is arranged in backboard Fixed frame (2-2) on rear side of (2-1), it is characterised in that: the two sides of fixed frame (2-2) are respectively connected with mounting plate (3), corresponding every side Mounting plate (3) is equipped with electric pushrod (5) and swing arm (8), and the upper end of electric pushrod (5) is connected to mounting plate by pin shaft (5-1) is dynamic (3) upper end is connected with cylinder (6) on the extension end of electric pushrod (5), is equipped with driven push rod (7) in cylinder (6), electronic to push away Upper spring (11) are equipped between the extension end and driven push rod (7) of bar (5), driven push rod (7) is equipped with lower spring (12), driven One end that push rod (7) is stretched out from cylinder (6) bottom is connected on one end of swing arm (8) by pin shaft (7-1) is dynamic, and the two of seat (1) The side rear end Shang Qiejin is respectively fixed with shaft (9), and the other end of swing arm (8) is fixedly connected on shaft (9), and the two of seat (1) Side rear end is respectively provided with platform (1-1), the bottom surface (2-2a) of the fixed frame (2-2) on the downside of the upper surface of platform (1-1) and backrest It is affixed, seat (1), which is in, opens limiting condition, is connected on mounting plate (3) and covers on electric pushrod (5) and swing arm (8) wherein Shell (4).

2. power folding seat according to claim 1, it is characterised in that: the shaft (9) has chassis (9-1), turns Axis (9) is connected on seat (1) by chassis (9-1).

3. power folding seat according to claim 2, it is characterised in that: type face is taken in the swing arm (8) and shaft (9) Connection.

4. power folding seat according to claim 1, it is characterised in that: on the panel bottom surface of the seat (1) and carry on the back Electric heating part (14) are provided on the trailing flank of plate (2-1).