JPH0687081U - Vehicle step device - Google Patents

Abstract

(57) [Summary] [Purpose] The step plate is easily displaced to the use position and the storage position. A step arm 2 having a supporting portion 2b that rotates in the vertical direction rotates in the vertical direction together with the supporting portion 2b and is displaced below the rocker panel P at the lower rotating end, and the upper rotating end. Then, the step plate 3 stored in a posture along the outer wall plate P2 of the rocker panel P is coupled, and one end of the step arm 2 is locked to the base 4 and expands and contracts when the step arm 2 rotates. Member 1
The other end of 3 is locked, and when the step arm 2 is rotated to a position beyond the midpoint of the rotation stroke, the step arm 2 is urged by the urging member 13 in the rotation direction.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a step device for a vehicle, which is mounted on the body of a vehicle having a high vehicle height and is used when getting in and out of the vehicle interior and exterior.

[0002]

[Prior art]

 A conventional technique is, for example, Japanese Utility Model Laid-Open No. 55-71946. This publication discloses a bumper that can also be used as a step when the vehicle gets on and off.

[0003]

[Problems to be solved by the device]

 An object of the present invention is to improve the appearance of the step plate when it is stored by making it easy to displace the step plate to the use position and the storage position.

[0004]

[Means for Solving the Problems]

 In the vehicle step device of the present invention, a step arm rotatably installed in the vicinity of the rocker panel of the body pivots in the vertical direction together with a support portion formed ahead of the pivot fulcrum of the step arm. At the lower turning end, the rocker panel is displaced downward while the upward turning motion is permitted and the downward turning motion is blocked, and at the upper turning end, the outer wall of the rocker panel is moved. The step plate, which is stored in a posture along the outer wall plate in the vicinity of the plate, is connected, and one end of the step arm is locked to a fixing member, and when the step arm rotates, the step arm expands and contracts. The other end of the biasing member that biases the step arm in the turning direction when the step arm turns to a position beyond the midpoint of the turning stroke is locked.

[0005]

[Operation] Of the step arm rotatably installed in the vicinity of the rocker panel, the support portion formed ahead of the rotation fulcrum is rotated to the lower rotation end together with the step plate coupled to the step arm. Then, the step arm is moved to the lower use position of the rocker panel in a state in which the upward pivoting movement is permitted and the downward pivoting movement is blocked, and the supporting portion moves upward together with the step plate. When the step plate is turned to the turning end, the step plate approaches the outer wall plate of the rocker panel and is stored in a posture along the outer wall plate. When the step arm is rotated, if the step arm exceeds the midpoint of the rotation stroke while the step arm is rotating, the step arm is urged in the rotation direction by the urging member whose one end is locked to the step arm. The step arm and the step plate are automatically displaced to the rotating end.

[0006]

[Effect of device]

 The present invention is configured as described above, and when the step plate is pivotally operated to be displaced to the use position or the retracted position of the pivot end, the step plate is moved when the step arm exceeds the midpoint of the pivot stroke. When the lever is released, the step plate and the step arm are urged in the rotational direction by the urging member and are automatically displaced at a high speed to the use position or the storage position of the rotation end. The operation of turning to can be simplified. If an obstacle hits the step plate or the support part of the step arm while the vehicle is traveling with the step plate displaced to the use position, the step plate and the support part escape and rotate upward to urge the biasing member. Since it is urged upward by the, the step plate and the step arm can be automatically returned to the retracted position, and the step device can be prevented from being damaged by an obstacle.

[0007]

【Example】

 Next, a first embodiment of the present invention will be described with reference to FIGS. Below the door D of the vehicle, a rocker panel P coupled to the side edge of the floor F is installed along the front-rear direction of the vehicle, and inside the rocker panel P, the floor F is placed in a rectangular tubular shape. A frame 10 is installed.

The outer surface 10a of the frame 10 has a rear plate 4a screwed to the outer surface 10a in an upright state, and a pair of side plates 4b connected to both side edges of the rear plate 4a. Bases 4 installed slightly inward of the rocker panel P are joined together, and in this example, three bases 4 joined to the frame 10 are arranged at equal intervals in the front-rear direction.

On the outer wall surface of the rear plate 4a of the base 4, a catch 5 having a U-shaped cross-section lock groove 5a is provided. The catch 5 is mounted on the upper surface of the catch 5 so as to directly intersect the lock groove 5a. A pair of inner and outer spring holes 5b connected to each other are formed, and a spring 5c is inserted into each of the spring holes 5b, and a spherical gripping member 5d is partially formed at the tip of each spring hole 5b. Are inserted into the lock grooves 5a, respectively.

A hinge pin 6, which is horizontally installed along the front-rear direction, is inserted through the ends of both side plates 4 b of the base 4.

The step body 1 rotatably installed in the vicinity of the rocker panel P has three step arms 2 rotatably connected to the respective bases 4 via hinge pins 6, and the step arms 2 respectively. And a step plate 3 made of aluminum, which is connected to each other via a mounting plate 8 made of steel and covers each step arm 2 from its tip portion to the vicinity of the central portion of the front side surface.

Behind the rotation fulcrum of each step arm 2, a bracket that stands up along the inner wall plate P1 of the rocker panel P at the upper rotation end and tilts inward of the rocker panel P at the lower rotation end. A portion 2a is formed, and this bracket portion 2a is fixed to the lower end surface of the frame 10 and is covered by an underguard 12 extending outward.

A side surface of the step arm 2 is curved in a concave arc shape in front of the rotation fulcrum, and is installed below the rocker panel P when the bracket portion 2a is rotated to the upper rotation end. In the state where the bracket portion 2a is rotated to the lower rotation end, a support portion 2b is formed near the outer wall plate P2 of the rocker panel P and installed along the outer wall plate P2.

The rear end of the bracket portion 2a of the step arm 2 is fitted into the lock groove 5a of the catch 5 when the bracket portion 2a is rotated to the lower rotation end, and is gripped by both gripping members 5d. A catch pin 7 is horizontally mounted to lock the bracket portion 2a at the lower rotating end.

On the front side surface of the bracket portion 2 a of the step arm 2, when the bracket portion 2 a pivots to the upper pivot end, the bracket portion 2 a is elastically contacted with the inner wall plate P 1 of the rocker panel P and the bracket portion 2 a is attached to the rocker panel P. A cushion plate 11 for fixing the impact at the time of collision is fixed.

The step plate 3 coupled to each step arm 2 in a state in which the supporting portion 2 b of each step arm 2 is covered is rotated in the vertical direction together with the supporting portion 2 b of the step arm 2. The step plate 3 has a step plate portion 3a curved in a concave arc shape with a curved shape substantially equal to the curved shape of the outer wall plate P2 of the rocker panel P, and the upper end edge is connected to the tip edge of the step plate portion 3a and the lower end edge is stepped. A cover portion 3b curved forward in a convex arc shape is formed in a state of being fixed to the tip edge of the arm 2.

When the supporting portion 2b of the step arm 2 is pivoted to the lower pivot end, the step plate 3 is in a posture in which it extends laterally beyond the pivot fulcrum and is allowed to pivot upward. When the rocker panel P is displaced downward while the downward pivoting motion is blocked, and the support portion 2b of the step arm 2 pivots to the upper pivot end, the rocker panel P approaches the outer wall plate P2 of the rocker panel P. Then, it is stored in a posture along the outer wall plate P2.

The step arm 2 expands and contracts in accordance with the turning operation, and when the step arm 2 turns to a position beyond the midpoint of the turning stroke, the step arm 2 is biased in the turning direction. The biasing member (push type coil spring in this example) 13 has one end locked to the upper end of the base 4 and cannot move, and the other end locked to the rear end of the step arm 2. It is hung on the base 4 and the step arm 2 in the closed state.

In the step arm 2, when the support portion 2b is rotated to the upper rotation end, the bracket portion 2a is pressed against the inner wall plate P1 of the rocker panel P by the biasing member 13 via the cushion plate 11. When the plate 3 is held in a displaced position below the lock panel P and the supporting portion 2b is rotated to the lower rotation end, the catch pin 7 of the step arm 2 is moved by both gripping members 5d of the catch 5. The bracket portion 2a of the step arm 2 is gripped and locked so that it can be disengaged at the lower pivot end, and the step arm 3 approaches the outer wall plate P2 of the rocker panel P and is in a storage position in a posture along the outer wall plate P2. Locked in.

Next, the operation and effect of the embodiment having the above-mentioned configuration will be described. In this example, each step arm 2 rotatably installed in the vicinity of the rocker panel P of the body pivots in the vertical direction together with a support portion 2b formed ahead of the pivot fulcrum of the step arm 2. At the lower turning end, the rocker panel P is displaced downward while the downward turning motion is blocked, and the rocker panel P is displaced downward at the upper turning end. When the step plate 3 which is housed in a posture along the outer wall plate P2 is close to the plate P2 and one end of the step arm 2 is locked to the base 4 and the step arm 2 rotates. The other end of the urging member 13 that urges the step arm 2 in the rotating direction when the step arm 2 is expanded and contracted and is rotated to a position beyond the midpoint of the rotation stroke is locked.

Therefore, when the step plate 3 is pivotally operated to be displaced to the use position or the storage position of the pivot end, the step plate 3 is released when the step arm 2 exceeds the midpoint of the pivot stroke. , The step plate 3 and the step arm 2 are biased in the rotation direction by the biasing member 13 and are automatically displaced at a high speed to the use position or the retracted position of the rotation end. It is possible to simplify the operation of turning to the storage position.

Further, when an obstacle hits the step plate 3 or the supporting portion 2 of the step arm 2 when the vehicle travels with the step plate 3 being displaced to the use position, the step plate 3 and the supporting portion 2 b are Since the escape plate rotates upward and is urged upward by the urging member 13, the step plate 3 and the step arm 2 can be automatically returned to the retracted position, and the step device is prevented from being damaged by an obstacle. be able to.

Further, since the rocker panel P is covered by the step plate 3 when the step plate 3 is stored, damage to the body due to flying stones or the like can be prevented, and the step plate 3 has a sense of unity with the body. Since it can be held and stored, the appearance of the step device when stored can be improved.

Next, in the second embodiment of the present invention shown in FIG. 5, a spring wound in a loop shape is applied as the biasing member 13A instead of the coil spring of the first embodiment, and also shown in FIG. In the third embodiment, a damper having a rod urged in the extension direction is used as the urging member 13B.

[Brief description of drawings]

FIG. 1 is a side view of a vehicle showing a first embodiment of the present invention.

FIG. 2 is an enlarged sectional view taken along line X1-X1 of FIG.

FIG. 3 is an enlarged sectional view taken along line X2-X2 of FIG.

FIG. 4 is an exploded perspective view of a main part of a step device.

FIG. 5 is a partially cutaway side view of a step device according to a second embodiment.

FIG. 6 is a partially cutaway side view of a step device according to a third embodiment.

[Explanation of symbols]

 2 step arm 2b support part 3 step plate 4 bases 13, 13A, 13B biasing member P rocker panel P2 outer wall plate

Claims (1)

[Scope of utility model registration request] 1. A step arm rotatably installed in the vicinity of a rocker panel of a body pivots vertically together with a support portion formed ahead of a pivotal fulcrum of the step arm to move downward. The rocker panel is displaced downward at the turning end while the upward turning motion is permitted and the downward turning motion is blocked, and at the upper turning end, the rocker panel comes close to the outer wall plate of the rocker panel. A step plate stored in a posture along the lever outer wall plate is coupled, and one end of the step arm is locked to a fixing member, and when the step arm is rotated, the step arm expands and contracts to move the step arm. A step device for a vehicle, wherein the other end of an urging member for urging the step arm in the rotation direction is locked when the step arm is rotated to a position beyond the midpoint of the rotation stroke.