KR200224761Y1 - Folding type step device for vehicle - Google Patents

Abstract

The vehicle folding footrest device 1 of the present invention is fixed to the lower surface 2a of the vehicle lower body 2, and hinge holes 13a, 14a and stoppers 16, 17 on the left and right side surfaces 13, 14, respectively. The main beam 10 is formed, the footrest 20 is installed rotatably with respect to the hinge hole (13a) (14a) of the main beam 10 and supported by the stopper (16) (17), the footrest ( The first shaft 25 extending at one end of the 20, the link portion 30 connected between the lower inner wall 3a of the door 3 and the side seal 2b of the vehicle lower body 2, the link portion 30. The second shaft 38 connected to the link portion 30 to rotate in conjunction with the rotation of the, and the first shaft 25 is coupled horizontally and the second shaft 38 is coupled vertically Bevel gear 40 is included. According to such a vehicle folding footrest device 1, the footrest is opened when the vehicle door is opened, and the footrest can be folded when the vehicle door is closed, thereby reducing the horizontal width of the vehicle in the closed state.

Description

Folding type step device for vehicle

The present invention relates to a vehicle scaffolding apparatus, and more particularly to a vehicle folding scaffolding apparatus that can be expanded or folded in conjunction with the opening and closing of the vehicle door.

Generally, scaffolding for vehicles is applied to vehicles such as jeeps, minivans and vans. It protrudes and is fixed to the side of the lower body of the vehicle under the door so that a person who wants to ride the vehicle can tread.

Since the conventional vehicle footrest is always protruding toward the side of the vehicle lower body, there is a disadvantage in that the width of the vehicle is increased by the size of the protruding footrest.

Therefore, the present invention was created to improve the problem in view of the problems of the conventional vehicle footrest as described above, the object of the present invention is to open the vehicle door, the footrest is opened and the footrest can be folded when the vehicle door is closed In providing a scaffolding device.

1 is an assembled perspective view of a folding device for a vehicle of the present invention,

2 is an exploded perspective view of FIG. 1;

3 is a front view of FIG. 1,

Figure 4 is a side view showing the scaffolding device of Figure 1 with the door open,

5 is a side view illustrating the scaffolding apparatus of FIG. 1 in a state where the door is closed.

<Explanation of symbols for main parts of the drawings>

1: scaffolding device 2: vehicle lower body

3: door 10: main beam

20: scaffolding 30: link portion

40: Bevel Gear

In order to achieve the object as described above, the vehicle folding footrest device 1 according to the present invention is fixed to the lower surface 2a of the vehicle lower body 2 and hinged holes 13a and 14a on the left and right sides 13 and 14, respectively. ) And the main beam 10 having the stoppers 16 and 17 formed thereon, and rotatably installed with respect to the hinge holes 13a and 14a of the main beam 10 and supported by the stoppers 16 and 17. A link portion connected between the footrest 20, the first shaft 25 extending to one end of the footrest 20, the lower inner wall 3a of the door 3, and the side seal 2b of the vehicle lower body 2. 30, a second shaft 38 connected to the link portion 30 so as to rotate in association with the rotation of the link portion 30, and the first shaft 25 is horizontally coupled with the second shaft 38. The second shaft 38 includes a bevel gear 40 coupled thereto.

With reference to the accompanying drawings for the vehicle folding footrest device of the present invention It will be described in detail.

1 and 2, in the scaffolding device 1 of the present invention, the main beam 10 is fixed to the lower surface 2a of the vehicle lower body 2 by two fixing brackets 4. The fixing bracket 4 is bent at a right angle, and two coupling holes 4c are formed in the first surface 4a and the second surface 4b based on the bent portion, respectively. The fastening brackets 4 are fixed to the lower surface 2a of the vehicle lower body 2 by fastening the fasteners 5 to the engaging holes 4c of the first surface 4a of the fastening bracket 4, respectively. In the main beam 10, two engaging holes 11a are formed near both edges of the front face 11, respectively. The front surface 11 of the main beam 10 by fastening the fasteners 5 respectively to the engaging hole 4c of the second surface 4b of the fixing bracket 4 and the engaging hole 11a of the main beam 10. Is fixed to the fixing bracket (4).

Hinge holes 13a and 14a are formed on the left and right sides 13 and 14 of the main beam 10, respectively. An extension part 15 bent at right angles is formed on the right side surface 14 of the main beam 10, and a through hole 15a is formed in the center of the extension part 15. In addition, stoppers 16 and 17 extend from the lower left and right sides 13 and 14 of the main beam 10, respectively, and each of the stoppers 16 and 17 has a rubber buffer member 16a. 17a is fitted. The front 11 of the main beam 10 is provided with two bumpers 18 in the center, the bumper 18 is in the hole 18b of the projection 18a formed in the front 11 of the main beam 10 Is fitted.

The footrest 20 includes a plate 21, and supports 22 and 23 are formed at left and right sides of the plate 21, respectively. The hinge hole 22a is formed in the left support 22, and the 1st shaft 25 is extended in the right support 23. As shown in FIG. The first shaft 25 has a diameter It is formed in another step type, and the key 25a protrudes and is formed in the small diameter part, but the protrusion height of the key 25a is the same as the large diameter part of an axis | shaft. The hinge hole 13a of the left side 13 of the main beam 10 and the hinge hole 22a of the left support 22 of the footrest 20 are connected by hinge pins 24, and The first shaft 25 of the right support 23 passes through the hinge hole 14a of the main beam 10. Therefore, the footrest 20 is rotatable with respect to the hinge holes 13a and 14a of the main beam 10. Here, the hinge pins 24 pass through the hinge holes 13a and 22a and are then riveted.

As can be seen from FIG. 5, the linkage 30 is located between the side sill 2b of the vehicle lower body 2 and the lower inner wall 3a of the door 3. The side seal 2b has a shape in which a step is formed inside the vehicle. The side seal 2b and the lower inner wall 3b of the door 3 are shaped so that a space may arise between them when the door 3 is closed. Therefore, the link portion 30 and the shaft 38 are located in this space. When the door 3 is closed, it is closed with respect to the vehicle lower body 2 by contacting the side seal 2b by a sealing part 3b formed on the link part 30 at the lower inner wall 3a of the door 3. .

Referring back to FIGS. 1 and 2, the link unit 30 may include a first bracket 31 fixed to the lower inner wall 3a of the door 3 and a first link connected to the first bracket 31. 32, a second bracket 33 fixed to the side seal 3 of the vehicle lower body, and a second link 34 connecting the second bracket 33 and the first link 32.

The first and second brackets 31 and 33 are curved at right angles, and fastening holes 31c and 33c are formed in the first surfaces 31a and 33a, respectively, and the fastening holes 31c. Fasteners 36 are fastened to 33c, respectively, so that the first and second brackets 31 and 33 are lower than the door 3, respectively. It is fixed to the inner wall 3a and the side seal 2b of the vehicle lower body 2. In addition, a hinge hole 31d is formed in the second surface 31b of the first bracket 31, and hinge holes 32a are formed at both ends of the first link 32, and the second link 34 is formed. The hinge hole 34a is formed at one end of the), and the first pin 31 and the first link 32 are inserted by inserting the hinge pin 37 into each of the hinge holes 31d, 32a, and 34a. , And the second link 34 are connected to each other. The hinge pins 37 pass through each of the hinge holes 31d, 32a, and 34a and are then riveted.

The second bracket 33 and the second link 34 are connected by the second shaft 38. As can be clearly seen from the exploded perspective view of Fig. 2, the second bracket 33 is connected to the second shaft 38 by a hinge hole 33d formed on the second surface 33b, and the second bracket ( The hinge portion 38c of the second shaft 38 in contact with the hinge hole 33d of 33 is circular in cross section. In addition, the second link 34 is connected to the second shaft 38 by a rectangular coupling hole 34b formed at the other end thereof, and the second link 34 is connected to the coupling hole 34b of the second link 34. Coupling portion 38b is rectangular in cross section. Thus, the second shaft 38 rotates in conjunction with the rotation of the second link 34. That is, when the door 3 rotates when the door 3 of the vehicle is opened or closed, the link 34 rotates, thereby rotating the shaft 38. The second shaft 38 penetrates the through hole 15a of the extension part 15 of the main beam 10. The key 38a is formed at the other end of the second shaft 38.

As shown in FIG. 3, a bevel gear 40 is installed between the right side 14 and the extension part 15 of the main beam 10, and the bevel gear 40 is a horizontal bevel gear 41 and a vertical bevel. The gear 42 is in the engaged form. The first bevel 25 of the footrest 20 penetrates the horizontal bevel gear 41 through the right side 14 of the main beam 10, and the vertical bevel gear 42 is fitted to the horizontal bevel gear 42. A second shaft 38 connected to the second link 33 of the link portion 30 is fitted. Keys 25a and 38a are formed in the first and second shafts 25 and 38, respectively, and key grooves 41a and 42a are formed in the horizontal and vertical bevel gears 41 and 42, respectively. The shaft and the gear are coupled to each other to transmit the rotational motion.

The operation relationship of the folding scaffolding device of the present invention by such a configuration will be described with reference to FIGS. 4 and 5.

First, when the closed door 3 is opened, the first link 31 of the link portion 30 rotates counterclockwise, so that the second shaft 38 connected to the first link 31 is counterclockwise. Rotate in the direction. When the second shaft 38 rotates counterclockwise, the vertical bevel gear 42 connected thereto also rotates counterclockwise, and the horizontal bevel gear 42 engaged with the vertical bevel gear 42 rotates clockwise. . Accordingly, the first shaft 25 of the footrest 20 connected to the horizontal bevel gear 41 rotates clockwise so that the footrest 20 rotates downward. In addition, since the stoppers 16 and 17 are formed in the main beam 20, the left and right supports 22 and 23 of the footrest 20 are supported by the stoppers 16 and 17 of the main beam 20. It does not go down any more, and in particular, the rotational impact of the footrest 20 is alleviated by the shock absorbing members 16a and 17a.

On the contrary, when the open door 3 is closed, the first link 31 of the link portion 30 rotates clockwise, so that the second shaft 38 connected to the first link 31 clockwise. Rotate When the second shaft 38 rotates clockwise, the vertical bevel gear 42 connected thereto also rotates clockwise, and the horizontal bevel gear 42 meshed with the vertical bevel gear 42 rotates counterclockwise. Thus, the first of the footrest 20 connected to the horizontal bevel gear 41 The shaft 25 is rotated counterclockwise so that the scaffold 20 is rotated upward and held upright. In addition, even if the left and right supporters 22 and 23 of the scaffold 20 are excessively rotated, since the bumper 18 is installed in the main beam 20, the left and right supporters 22 and 23 are supported by the bumper 18. The rotational impact of the footrest 20 is alleviated.

Here, the rotation angle of the footrest 20 relative to the opening angle of the door 3 can be set by adjusting the gear ratio of the bevel gear 40.

In conclusion, as the door 3 is opened, the footrest 20 is automatically rotated downward to be supported by the stoppers 16 and 17 of the main beam 10 and the footrest 20 as the door 3 is closed. ) Is rotated upwards to remain upright.

According to the above-described foldable footrest device for a vehicle of the present invention, the footrest can be opened when the vehicle door is opened, and the footrest can be folded when the vehicle door is closed, thereby reducing the horizontal width of the vehicle in the closed state.

It will be appreciated that the present invention may be embodied in other specific forms without departing from the spirit constituting the principal features thereof. Accordingly, the above examples and embodiments are to be considered in all respects as illustrative and not restrictive, and the invention is not to be limited to the foregoing detailed description.

Claims (4)

It is fixed to the lower surface 2a of the vehicle lower body 2, and respectively to the left and right side surfaces 13, 14 Main beam 10 having hinge holes 13a, 14a and stoppers 16, 17 formed therein, Scaffold 20 which is rotatably installed with respect to the hinge holes 13a and 14a of the main beam 10 and supported by the stoppers 16 and 17, A first shaft 25 extending at one end of the scaffold 20, A link portion 30 connected between the lower inner wall 3a of the door 3 and the side seal 2b of the vehicle lower body 2, A second shaft 38 connected to the link portion 30 to rotate in conjunction with the rotation of the link portion 30, and The horizontal folding device is characterized in that it comprises a bevel gear (40) coupled to the first shaft (25) and the second shaft (38) to the horizontal. The vehicle of claim 1, wherein the link unit 30 includes a first bracket 31 fixed to the lower inner wall 3a of the door 3, a first link 32 connected to the first bracket 31, and a vehicle. And a second bracket 33 fixed to the side seal 2b of the lower body 2, and a second link 34 connecting the first link 32 and the second bracket 33 to each other. Folding footrest device for vehicles. 3. The folding scaffolding device according to claim 2, wherein the second bracket (33) and the second link (34) are connected by the second shaft (38). 4. The part according to claim 3, wherein the second bracket (33) is connected to the second shaft (38). A hinge hole 33d is formed in the hinge hole, and the hinge portion 38a of the second shaft 38 which contacts the hinge hole 33d of the second bracket 33 has a circular cross section, and the second link ( In the portion 34 connected to the second shaft 38, a square coupling hole 34b is formed, and the second shaft 38 is in contact with the coupling hole 34b of the second link 34. Coupling portion (38b) is a vehicle foldable scaffold, characterized in that the cross section.