Leg stretching mechanism of motor train unit seat

Abstract

The utility model discloses a leg stretching mechanism of a seat of a motor train unit, which comprises a stretching mechanism upper connector and a stretching mechanism bottom connector at the lower end of the stretching mechanism upper connector, and an air cylinder connecting mechanism body and a connecting air cylinder are arranged at the rear end of the stretching mechanism upper connector. A connecting guide rod is arranged at the rear end of the connecting air cylinder, a leg support lower plate and a connecting slot rod are arranged at the tail end of the connecting guide rod, the connecting air cylinder drives the connecting guide rod to move, and the seat leg support which is turned over through power provided by the connecting air cylinder can be turned over more conveniently; the air bag leg protection block is arranged on the air bag leg protection block so that a user can use the air bag leg protection block more easily and comfortably, the legs of the user can be wrapped after air in the air bag leg protection block expands, the user can use the air bag leg protection block more comfortably, the fatigue feeling of the user can be better reduced, and therefore passengers can have better bullet train travel experience.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the related technical field of motor train unit seat, concretely relates to the leg stretching mechanism of motor train unit seat. BACKGROUND

[0002] The seat leg support adjustment is derived from the seat calf leg support adjustment on the plane, can relieve the calf fatigue of long time ride, and the leg support is also derived to the motor train seat, is mainly used for auxiliary increase the leg support area of passenger, to improve the comfort of ride. The seat leg support adjustment can adjust the angle to support the calf, is divided into the leg support adjustment of front seat and rear seat, the existing leg stretching mechanism of motor train unit seat includes the upper connecting body of stretching mechanism and the bottom connecting body of stretching mechanism at the lower end position of the upper connecting body of stretching mechanism, but the existing leg stretching mechanism of motor train unit seat usually uses manual to turn over, which is very inconvenient, the rear end position of the upper connecting body of stretching mechanism is provided with cylinder connecting mechanism body and connecting cylinder, the rear end of the connecting cylinder is provided with connecting guide rod, the tail end of the connecting guide rod is provided with leg support lower plate and connecting slot rod, the connecting cylinder drives the connecting guide rod to move, the connecting guide rod will further drive the leg support lower plate to realize the zero to ninety degrees stretching function of the leg support lower plate, and the existing seat leg support that turns over by the power provided by the connecting cylinder can make the turning over more convenient, so that the user uses more relaxed and comfortable.

[0003] The existing technology has the following problems: the existing leg stretching mechanism of motor train unit seat usually uses manual to turn over, which is very inconvenient. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing the leg stretching mechanism of motor train unit seat to solve the problem of the existing leg stretching mechanism of motor train unit seat that is usually used manually to turn over, which is very inconvenient.

[0005] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme: the leg stretching mechanism of motor train unit seat, including the upper connecting body of stretching mechanism and the bottom connecting body of stretching mechanism at the lower end position of the upper connecting body of stretching mechanism.

[0006] The rear end position of the upper connecting body of stretching mechanism is provided with cylinder connecting mechanism body and connecting cylinder, the rear end of the connecting cylinder is provided with connecting guide rod, the tail end of the connecting guide rod is provided with leg support lower plate and connecting slot rod, and the connecting cylinder drives the connecting guide rod to move.

[0007] Preferably, a connecting support body is arranged at the rear end of the cylinder connecting mechanism body, and the connecting support body is connected to the upper connecting body of the stretching mechanism by screws.

[0008] Preferably, a turnover shaft is connected to the rear end of the connecting support body, and the turnover shaft is rotationally connected to the connecting support body.

[0009] Preferably, a leg support upper plate is arranged at the upper end of the leg support lower plate, and a pressing inflation button and an air bag leg protection block are arranged at the upper end of the leg support upper plate, and the air bag leg protection block can be inflated by pressing the pressing inflation button.

[0010] Preferably, the lower end of the pressing inflation button is provided with an inflation body with the same cross-sectional area, and the inflation body is connected to the leg support upper plate by clamping embedding.

[0011] Preferably, a connecting plug-in column and a rubber combined lifting piece are arranged at the middle position of the inflation body, and the rubber combined lifting piece is in sealing contact with the inner wall of the inflation body.

[0012] Preferably, a rubber turnover sealing strip is arranged on the rubber combined lifting piece and the inflation body, and the rubber turnover sealing strip can be turned over.

[0013] Preferably, a connecting spring is arranged at the lower end of the rubber combined lifting piece, and the connecting spring is a connecting structure of the rubber combined lifting piece and the inflation body.

[0014] Compared with the prior art, the leg stretching mechanism of the EMU seat has the following beneficial effects:

[0015] In the leg stretching mechanism of the EMU seat, a cylinder connecting mechanism body and a connecting cylinder are arranged at the rear end of the upper connecting body of the stretching mechanism, the rear end of the connecting cylinder is provided with a connecting guide rod, the distal end of the connecting guide rod is provided with a leg support lower plate and a connecting slot rod, the connecting cylinder drives the connecting guide rod to move, the connecting guide rod further drives the leg support lower plate to realize the zero-to-ninety-degree stretching function of the leg support lower plate, and the present seat leg support which is turned over by the power provided by the connecting cylinder can make the turning over more convenient and make the user use it more easily and comfortably.

[0016] In the leg stretching mechanism of the motor train unit seat, a leg support upper plate is arranged at the upper end position of a leg support lower plate, the upper end of the leg support upper plate is provided with a squeeze inflation button and a gas bag leg protection block, the squeeze inflation button can inflate the gas bag leg protection block, the user can squeeze the squeeze inflation button downward according to actual needs, the cooperation of the two rubber flip sealing strips makes the rubber combined lifting piece squeeze the gas into the gas bag leg protection block, the setting of the connecting spring is beneficial to the automatic return of the squeeze inflation button to the original position, the inflation of the gas in the gas bag leg protection block can wrap the legs of the user, so that the user is more comfortable, the fatigue reduction effect is more, and passengers have a better motor train travel experience. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a whole structure schematic view of the leg stretching mechanism of the motor train unit seat.

[0018] Figure 2 It is a structure schematic view without the leg support upper plate of the leg stretching mechanism of the motor train unit seat.

[0019] Figure 3 It is a side view structure schematic view without the leg support upper plate of the leg stretching mechanism of the motor train unit seat.

[0020] Figure 4 It is a cross section structure schematic view at the inflation gas position of the leg stretching mechanism of the motor train unit seat.

[0021] In the figure: 1, stretching mechanism bottom connecting body; 2, stretching mechanism upper connecting body; 3, connecting cylinder; 4, cylinder connecting mechanism body; 5, connecting support body; 6, connecting guide rod; 7, leg support lower plate; 8, leg support upper plate; 9, squeeze inflation button; 10, gas bag leg protection block; 11, connecting slot rod; 12, flip shaft; 13, connecting plug-in column; 14, rubber combined lifting piece; 15, inflation gas; 16, connecting spring; 17, rubber flip sealing strip. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.

[0023] The present application provides a Figures 1-4As shown, the leg stretching mechanism of the motor train unit seat includes a stretching mechanism upper connecting body 2 and a stretching mechanism bottom connecting body 1 at the lower end position of the stretching mechanism upper connecting body 2; a cylinder connecting mechanism body 4 and a connecting cylinder 3 are arranged at the rear end position of the stretching mechanism upper connecting body 2, the rear end of the connecting cylinder 3 is provided with a connecting guide rod 6, the end of the connecting guide rod 6 is provided with a leg rest lower plate 7 and a connecting slot rod 11, the connecting cylinder 3 drives the connecting guide rod 6 to move, the rear end position of the stretching mechanism upper connecting body 2 is provided with a cylinder connecting mechanism body 4 and the connecting cylinder 3, the rear end of the connecting cylinder 3 is provided with a connecting guide rod 6, the end of the connecting guide rod 6 is provided with a leg rest lower plate 7 and a connecting slot rod 11, the connecting cylinder 3 drives the connecting guide rod 6 to move, the connecting guide rod 6 will in turn drive the leg rest lower plate 7 to realize the zero to ninety-degree stretching function of the leg rest lower plate 7, and the present seat leg rest which is turned over by the power provided by the connecting cylinder 3 can make the turning over more convenient and make the user use more comfortable and relaxed.

[0024] As shown in Figure 1 , Figure 2 and Figure 3 , a connecting support body 5 is arranged at the rear end position of the cylinder connecting mechanism body 4, the connecting support body 5 is connected to the stretching mechanism upper connecting body 2 by screws, the rear end of the connecting support body 5 is connected with a turning shaft 12, the turning shaft 12 is rotationally connected with the connecting support body 5, and the turning shaft 12 can better drive the leg rest lower plate 7 to turn over to a suitable angle.

[0025] As shown in Figure 1 , a leg rest upper plate 8 is arranged at the upper end position of the leg rest lower plate 7, the upper end of the leg rest upper plate 8 is provided with a squeeze inflation button 9 and a gas bag leg protection block 10, and the squeeze inflation button 9 can inflate the gas bag leg protection block 10, the upper end position of the leg rest lower plate 7 is provided with the leg rest upper plate 8, the upper end of the leg rest upper plate 8 is provided with the squeeze inflation button 9 and the gas bag leg protection block 10, the squeeze inflation button 9 can inflate the gas bag leg protection block 10, the user can squeeze the squeeze inflation button 9 downward according to the actual demand, the cooperation of the two rubber turning sealing strips 17 makes the rubber combined lifting piece 14 squeeze the gas into the gas bag leg protection block 10, and the setting of the connecting spring 16 is beneficial to the automatic return of the squeeze inflation button 9 to the original place, the gas in the gas bag leg protection block 10 expands to wrap the legs of the user, so that the user uses more comfortably and the fatigue reduction effect is more, thereby allowing the passenger to have a better motor train travel experience.

[0026] As shown in Figure 4As shown, the lower end of the squeeze inflation button 9 is provided with an inflation body 15 with the same cross-sectional area, the inflation body 15 is connected to the leg support upper plate 8 by means of clamping embedding, the middle position of the inflation body 15 is provided with a connecting plug column 13 and a rubber combined lifting piece 14, the rubber combined lifting piece 14 is in sealing contact with the inner wall of the inflation body 15, the rubber combined lifting piece 14 and the inflation body 15 are both provided with a rubber flip seal 17, the rubber flip seal 17 can be flipped, the upper end rubber flip seal 17 is closed and the lower end is opened for inflation when the rubber combined lifting piece 14 is lowered, the rubber flip seal 17 above the rubber combined lifting piece 14 is opened, and the inflation is more convenient through the cooperation of the rubber combined lifting piece 14 and the rubber flip seal 17.

[0027] As shown in the drawings, Figure 4 As shown, the lower end position of the rubber combined lifting piece 14 is provided with a connecting spring 16, the connecting spring 16 is the connecting structure of the rubber combined lifting piece 14 and the inflation body 15, the setting of the connecting spring 16 makes the user press the squeeze inflation button 9 at different pull-ups, the connecting spring 16 will automatically restore to the original place, so that it is more convenient to use.

[0028] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A leg stretching mechanism of a train set seat, comprising a stretching mechanism upper connecting body (2) and a stretching mechanism bottom connecting body (1) at the lower end of the stretching mechanism upper connecting body (2); characterized in that a cylinder connecting mechanism body (4) and a connecting cylinder (3) are arranged at the rear end of the stretching mechanism upper connecting body (2), the rear end of the connecting cylinder (3) is provided with a connecting guide rod (6), the end of the connecting guide rod (6) is provided with a leg support lower plate (7) and a connecting slot rod (11), and the connecting cylinder (3) drives the connecting guide rod (6) to move.

2. The legrest mechanism of a multiple unit vehicle seat according to claim 1, characterized by: A connecting support body (5) is arranged at the rear end of the cylinder connecting mechanism body (4), and the connecting support body (5) is connected to the stretching mechanism upper connecting body (2) by screws.

3. A legrest mechanism for a multiple unit vehicle seat according to claim 2, wherein: A turnover shaft (12) is connected to the rear end of the connecting support body (5), and the turnover shaft (12) is rotationally connected to the connecting support body (5).

4. The legrest mechanism of a multiple unit vehicle seat according to claim 1, characterized by: A leg support upper plate (8) is arranged at the upper end of the leg support lower plate (7), the upper end of the leg support upper plate (8) is provided with a pressing inflation button (9) and a gas bag leg protection block (10), and the gas bag leg protection block (10) can be inflated by pressing the pressing inflation button (9).

5. A legrest mechanism for a multiple unit vehicle seat according to claim 4, wherein: The lower end of the pressing inflation button (9) is provided with an inflation body (15) with the same cross-sectional area, and the inflation body (15) is connected to the leg support upper plate (8) by clamping embedding.

6. The legrest mechanism of a multiple unit vehicle seat according to claim 5, characterized by: A connecting plug-in column (13) and a rubber combined lifting piece (14) are arranged at the middle position of the inflation body (15), and the rubber combined lifting piece (14) is in sealing contact with the inner wall of the inflation body (15).

7. A legrest mechanism for a multiple unit vehicle seat according to claim 6, wherein: Rubber turnover sealing strips (17) are arranged on the rubber combined lifting piece (14) and the inflation body (15), and the rubber turnover sealing strips (17) can be turned over.

8. The legrest mechanism of a multiple unit vehicle seat according to claim 6, characterized by: A connecting spring (16) is arranged at the lower end of the rubber combined lifting piece (14), and the connecting spring (16) is a connecting structure of the rubber combined lifting piece (14) and the inflation body (15).

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