JPH04115957U - Step device for vehicles - Google Patents

Abstract

(57) [Summary] [Purpose] Although it has a simple structure, it can change the ground height between the operating state and the stored state, and it can be used without being adversely affected by obstacles when the vehicle is running. It is possible to prevent the steps from moving due to the load when riding without using a special stopper device, and when an impact is received from the side of the vehicle body, the steps can be retracted by the impact force. The object is to provide a step device for a vehicle. [Structure] A guide rail 21 extending in the width direction of the vehicle body 11 is fixed to the vehicle body 11, and the guide rail 21 has a step portion 22 configured to be retractable from the side surface of the vehicle body 11 and a plurality of rollers 22e. , 22e..., and the guide rail 21 has a pair of supported parts 22 located on the rear side when the step part 22 is in the protruding state.
The step device 20 was configured such that e and 22e were located on the inclined portion 24b.

Description

[Detailed explanation of the idea]

0001

[Industrial application field]

The present invention is designed so that the door opening is located below the lower end of the door opening formed in the vehicle body. The present invention relates to a step device for a vehicle installed in a vehicle.

0002

[Conventional technology]

Conventionally, vehicles such as wagons were designed with a high height from the ground to the body floor panel. For vehicles that have been designed, steps are provided to facilitate getting on and off. ing. However, this existing step does not allow for contact with the ground when driving on rough roads, etc. Considering that there is a limit to lowering the ground contact height, there is a limit to lowering the ground contact height, and When a woman, etc. gets on and off, the distance from the ground to the step (usually around 400mm) was still expensive and inconvenient.

0003 Therefore, as shown in FIG. 6 (see Utility Model Application Publication No. 59-60048), A box-shaped bracket 3 is attached to the vehicle body frame 2 located below the door opening (not shown). is fixed, and by rotating the parallel link mechanism 4 supported below this bracket 3. In addition to providing a step 5 that is displaced, a driving electric power disposed inside the bracket 3 is provided. A moving motor (not shown) is electrically connected to operate the door in conjunction with the opening and closing of the door. There is a step device a configured to make a step 5 appear and disappear from a side surface of a vehicle body 1.

0004 Also, when riding using step 5, the load from the rider is reduced by the arrow in Figure 6. Since the force acts in the direction shown in A, the parallel link machine can absorb this diagonal load. A stopper mechanism was required to prevent rotation of the structure 4. As this stopper mechanism uses a worm gear and a worm gear as a power transmission means from the electric motor to the parallel link mechanism 4. A foam wheel (both not shown) is used.

[0005]

[Problem that the idea aims to solve]

By the way, in the vehicle step device a configured as described above, the By using the mug gear, the parallel line when in use with step 5 protruding is reduced. If the rotation prevention force of the link mechanism 4 is strong and a strong horizontal load is applied from the side of the vehicle body, Step 5 or if the worm gear/worm wheel is damaged. there was.

[0006] The present invention was developed in view of the above circumstances, and although it has a simple structure, it is easy to use. The ground height between the operating state and the retracted state can be changed, and the vehicle may be adversely affected by obstacles when the vehicle is running. Not only can it be used without It is possible to prevent the steps from moving due to the load when riding, and it also prevents the vehicle from moving. When you receive an impact from the side of your body, you may be able to retract your steps due to the force of the impact. The object of the present invention is to provide a step device for a vehicle that can be used in a vehicle.

[0007]

[Means to solve the problem]

In order to achieve this purpose, the present invention aims to reduce the lower end of the door opening formed in the vehicle body. In a step device for a vehicle disposed so as to be located below the The step device is fixed to the vehicle body and extends in the width direction of the vehicle body. a guide rail, and a supported part is slidably supported by the guide rail, and the vehicle The guide rail includes a step portion that can be retracted from the side of the main body. A sloped part is set such that the front and back are low and the rear and the rear are high with respect to the sliding direction in which the step part protrudes. and when the step portion is in the protruding state, the step portion is The gist is that the supported portion is supported by the inclined portion.

[0008]

[Effect]

In such a configuration, to use the step device, move the step section to the guide rail. slide on the rail and protrude from the side of the vehicle body.

[0009] At this time, since the supported part is located on the slope, it absorbs the load when riding. This prevents the step portion from being pulled back.

0010

【Example】

(First example) Next, an embodiment of the vehicle step device of the present invention will be explained based on FIGS. 1 to 4. do.

[0011] Figure 1 is a sectional view showing the vehicle step device of the present invention attached to the vehicle body; Figure 2 is an exploded perspective view of the step device, and Figures 3 (A), (B), and (C) are supported Figure 4 is a cross-sectional view of a guide rail showing an example of support for the FIG. 3 is a perspective view of the vehicle body showing the state.

0012 In FIG. 4, below the door opening 12 formed in the vehicle body 11 is the vehicle body. A step device 20 configured to be able to appear and retract from the side of 11 is disposed. Figure 4 Inside, 13 is the front door, 14 is the sliding rear door, 15 and 16 are the vehicle floor. A 17 is a fixed seat, and 18 is a step.

[0013] The step device 20 is fixed to the vehicle body 11 as shown in FIGS. 1 and 2. a guide rail 21; a step portion 22 slidably supported by the guide rail 21; Slide the step part 22 between the operating state (solid line state in Figure 1) and the stored state (dashed line state in Figure 1). A drive mechanism 23 for dynamic displacement is provided.

[0014] The guide rail 21 includes a pair of left and right rail parts 24, 24, a pair of rail parts 24, 24 and a pair of front and rear mounting members 25a, 25b installed between the two. The mounting members 25a and 25b are used to reinforce the vehicle body 11 via fixing members (not shown). It is fixed to panels 19a and 19b.

[0015] The rail portions 24, 24 have flat portions 24a and sloped portions 24b that are alternately continuous and extend along the vehicle main body. It has a stepped shape extending in the width direction of the body 11 and is located inside the vehicle body 11. The end that is located on the outside of the Ru. Further, the rail portion 24 is provided with a guide portion 24c that supports a roller 22e, which will be described later. It is formed into a substantially L-shaped cross section. Moreover, the inclined portion 24b is at least When the tip portion 22 is in use, the pair of rollers 22e, 22e are positioned. It is set as follows. Furthermore, guide portions located at both ends of the rail portions 24, 24 24c, 24c includes a stopper piece 24d for regulating the amount of back and forth movement of the step portion 22; 24d is attached.

[0016] The step part 22 includes a step stand 22a and a frame that supports the step stand 22a. the frame 22b, and a pair protruding upward from both sides of the frame 22b near the middle. The first arms 22c, 22c of the frame 22b are directed upward toward both sides near the rear end. A pair of second arms 22d, 22d are provided.

[0017] The protrusion height of the first arm 22c is set lower than the protrusion height of the second arm 22d. It is. Also, the upper ends of the first arms 22c, 22c and the second arms 22d, 22d Rollers (supported members) 22e, 22e, . . . are rotatably supported in the portion. difference Furthermore, a connecting frame 22f is installed between the second arms 22d, 22d. A connecting bracket 22g is fixed to the center of the connecting frame 22f.

[0018] By the way, as shown in FIG. 3(A) to FIG. 3(C), the step device 20 includes: To prevent the roller 22e from coming off the rail portion 24 due to the user's load. A stopper portion 26 is provided.

[0019] The stopper portion 26 shown in FIG. 3(A) is located below the guide portion 24c of the rail portion 24. An auxiliary roller 27 is rotatably supported by each arm 22c, 22d. Further, the stopper portion 26 shown in FIG. 3(B) is located below the guide portion 24c of the rail portion 24. An auxiliary plate 28 is attached to each arm 22c, 22d located at. Furthermore, the stopper portion 26 shown in FIG. 3(C) is positioned above the roller 22e. The sea urchin regulation panel 29 is bent and formed integrally with the rail portion 24.

[0020] The drive mechanism 23 is attached to a bracket 23a fixed to the reinforcing panel 19a. a motor 23b for forward and reverse rotation, and a drive gear 23c pivotally supported by the motor 23b. a driven gear 23d that meshes with the motor 23b and receives rotational drive from the motor 23b; A drive link 23e fixed coaxially with 23d, and a free end side of the drive link 23e. A driven link 23f is rotatably connected. Slack of driven link 23f The end portion is rotatably connected to a connecting bracket 22g of the step portion 22.

[0021] By the way, the drive mechanism 23 is connected to an opening/closing detection switch provided on the rear door 14 (see Fig. (not shown), and is driven in conjunction with the opening/closing operation of the rear door 14. is set to Further, the drive mechanism 23 is configured to stop the forward and reverse rotation of the motor 23b. The sliding movement of the step portion 22 is set to stop at a predetermined position. Sara In addition, a limit switch, proximity switch, etc. are provided on the tip side of the step part 22 to control the motor. When the rear door 14 is opened, guardrails, walls, etc. Damage caused when the protruding side of the step part 22 cannot be displaced due to the presence of an obstacle. Preventive measures can be taken. At this time, the motor 23b stops driving or rotates in reverse. is set to.

[0022] In the above configuration, when the rear door 14 is opened when getting on or off the vehicle, this The opening/closing detection switch provided on the rear door 14 is turned on and the motor 23b rotates. The rotation of the motor 23b is received by the gears 23c and 23d, causing the drive link 23e to play. The end side rotates toward the step 18 side of the vehicle body 11.

[0023] This rotation of the drive link 23e causes the step portion 22 to move downward in parallel. The step part 22 is pushed out from the side of the vehicle body 11 and becomes in use. Ru.

[0024] At this time, the roller 22e of the second arm 22d moves toward the inclined portion 24b of the guide rail 21. Since the step part 22 is located at It looks like this.

[0025] On the other hand, when the rear door 14 is closed after boarding or disembarking, the rear door 14 The provided opening/closing detection switch is turned ON again, and the motor 23b rotates in the reverse direction. Each gear 23c, 23d receives the reverse rotation of the motor 23b, and the free end side of the drive link 23e rotates in a direction away from the step 18 side of the vehicle body 11.

[0026] This rotation of the drive link 23e causes the step portion 22 to move upward in parallel. The step portion 22 is then pulled back to a retracted state.

[0027] (Second example) FIG. 5 shows a second embodiment of the present invention, in which the step device 30 is attached to the vehicle body. A cross-sectional view of the state is shown. In addition, in FIG. 5, the same configuration as the first embodiment described above is shown. Components are given the same reference numerals as in the above embodiment, and the explanation thereof will be omitted.

[0028] In the first embodiment, the rail portions 24, 24 of the guide rail 21 are formed with the flat portion 24a. The sloped portions 24b are alternately continuous and extend in the width direction of the vehicle body 11. It was showing. In contrast, the rail portions 32, 32 of the guide rail 31 of the second embodiment has a substantially linear shape extending in the width direction of the vehicle body 11, and has a substantially linear shape extending in the width direction of the vehicle body 11. The outer edge is located lower than the inner edge. It is set.

[0029] Further, the drive device 40 used here is a brake fixed to the vehicle body 11. bracket 41, a forward/reverse rotation motor 42 attached to this bracket 41, and a A drive link 43 rotatably attached to the racket 41 and a drive link 43 that is rotatably attached to the racket 41. attached to the attached arc-shaped driven gear 44 and the free end of the drive link 43 A driven link 45 is provided.

[0030] The forward/reverse rotation motor 42 is rotated by a drive gear 46 attached to the bracket 41. The rotation of the drive gear 46 is transmitted to the driven gear 44 and the rotation of the drive link 43 is transmitted to the drive link 43. is designed to rotate. In the figure, 47 is a retainer, which connects the bracket 41 and the retainer. A driven gear 44 is supported between the drive gear 47 and the drive gear 47 .

[0031] In the step device 30 configured in this way, the forming of the guide rail 31 is easy. Although it is simple, it can provide the same effect as the first embodiment.

[0032]

[Effect of the idea]

As explained above, the step device of the present invention is fixed to the vehicle body. A guide rail extending in the width direction of the vehicle body, and a supported portion on the guide rail. a step portion that is slidably supported and configured to be retractable from a side surface of the vehicle body; and the guide rail has a front low height with respect to the sliding direction in which the step portion protrudes. A sloping part is set in a high rear shape, and the step part is in a protruding state. In some cases, the supported part of the step part is supported by the inclined part. Although it has a simple structure, it is possible to change the ground height between the operating state and the stored state. It can be used without being adversely affected by obstacles when the vehicle is running. The steps can be moved by the load when riding without using a special stopper device. In addition, when an impact is received from the side of the vehicle body, the impact can be prevented. Steps can be stored depending on the impact force.

[Brief explanation of drawings]

FIG. 1 is a sectional view showing a step device of the present invention attached to a vehicle body.

FIG. 2 is an exploded perspective view of the step device.

FIG. 3 is a sectional view of a guide rail showing an example of supporting a supported part.

FIG. 4 is a perspective view of the vehicle body showing a state in which the step device of the present invention is used.

FIG. 5 is a sectional view showing a state in which a step device according to a second embodiment of the present invention is attached to a vehicle body.

FIG. 6 is a side view showing a state in which a conventional step device is attached to a vehicle body.

[Explanation of symbols]

11...Vehicle body 12...Door opening 20...Step device 21...Guide rail 22...Step part 22e...Roller (supported part) 24b...slanted part

Claims (1)

[Scope of utility model registration request] 1. A step device for a vehicle disposed so as to be located below a lower end of a door opening formed in a vehicle body, wherein the step device is fixed to the vehicle body and attached to the vehicle body. a guide rail extending in the width direction of the vehicle body; and a step portion configured to allow a supported portion to be slidably supported by the guide rail and to be retractable from a side surface of the vehicle body; An inclined part is set such that the step part is inclined forwardly and backwardly with respect to the sliding direction in which it projects, and when the step part is in the projecting state, the supported part of the step part is aligned with the inclined part. A step device for a vehicle, characterized in that the step device is supported by.