KR20200027379A - Opposed type sliding door device of vehicle - Google Patents

Abstract

The present invention provides an opposed type sliding door device. The opposed type sliding door device includes: a center rail installed at the center of a door in the longitudinal direction of the door; a center roller installed in a vehicle body to move the center rail; a lower rail linearly installed in the lower part of the vehicle body in the longitudinal direction of the vehicle body; and a door opening unit moved along the lower rail and moving the door to the outside. The door opening unit includes: a guide bearing moved along the lower rail while being in contact with the surface of the lower rail; a gear unit engaged with a rack gear installed in the lower part of the lower rail and rotating in accordance with a movement of the guide bearing; and a swing bracket moving the door to the outside in accordance with the rotation of the gear unit as one end of the swing bracket is rotationally connected to a mounting bracket installed in the door and the other end thereof is coupled to a shaft of the gear unit. According to the present invention, the opposed type sliding door device removes the rail from the upper part of the vehicle body and can be applied to a general vehicle along with a truck or a van.

Description

OPPOSED TYPE SLIDING DOOR DEVICE OF VEHICLE}

The present invention relates to an opposing sliding door device that allows the door to slide smoothly along the longitudinal direction of the vehicle. In particular, an opposing type that secures the interior space of the vehicle body and simplifies the structure by utilizing a gear and a straight lower rail It relates to a sliding door device.

In general, a vehicle has a vehicle cabin of a predetermined size that can be boarded by a driver or accompanying passengers, and a vehicle compartment opening door is installed in the vehicle body to open and close the vehicle.

In the case of a passenger car, the door for opening and closing the vehicle has a front door installed at the front along the longitudinal direction of the vehicle, and a rear door installed at the rear along the longitudinal direction of the vehicle, and the front door and the rear door are usually mediated by a hinge on the vehicle body. It is installed to be rotatable.

On the other hand, in the case of a van that can be occupied by many people, the vehicle opening / closing door is configured to open and close the vehicle while sliding back and forth along the longitudinal direction of the vehicle.

In recent years, as the necessity to facilitate the boarding of passengers with disabilities by opening the door opening completely, and the like, the installation of sliding doors is required not only for passenger cars but also for ordinary passenger cars.

In this regard, the conventional Korean Patent Registration No. 10-1542980 (rear door device for vehicles) relates to a rear door device that moves forward and backward along the longitudinal direction of the vehicle to open and close the door opening of the vehicle body, and includes a straight upper rail and Disclosed is a rear door device that uses a curved lower rail and link structure to open and close a sliding door.

However, the conventional technology has a problem that the rail takes up too much space inside the vehicle body according to the application of the curved lower rail, and thus cannot be applied to a vehicle requiring a large battery mounting space inside the vehicle body such as an electric vehicle.

In addition, since the structure of the roller is composed of a plurality of links, the structure is complicated, so there is a problem of frequent failures and the cost of the product increases.

Korean Registered Patent No. 10-1542980

The present invention provides an opposite type sliding door device in a conventional sliding door device that utilizes a straight lower rail to secure the interior space of the vehicle body, enhances collision performance, and simplifies the structure by using gears in the door opening. It is aimed at.

In order to achieve the above object, the present invention, the center rail mounted in the center of the door along the longitudinal direction of the door; A center roller mounted on the vehicle body to move the center rail; A lower rail mounted in a straight line along the longitudinal direction of the vehicle body at the bottom of the vehicle body; And a door opening part that is moved along the lower rail and moves the door to the outdoor side, wherein the door open part is guide bearing that is moved along the lower rail in a surface contact with the lower rail; A gear part engaged with the rack gear mounted on the lower portion of the lower rail and rotating according to the movement of the guide bearing; And a swing bracket having one end rotatably connected to the mounting bracket mounted on the door and the other end coupled to the shaft of the gear part to move the door to the outdoor side according to the rotation of the gear part. Provides

Preferably, the door includes a front door and a rear door, and at least two or more center rails, center rollers, lower rails, and door open units may be used to open and close the door.

 Preferably, the door opening portion, a gear housing that accommodates the gear portion therein and the swing bracket is coupled to the top through the shaft; And a rod bearing inserted to support the guide portion inside the guide portion bent in an n-shape on the upper end of the lower rail. The rod bearing may be mounted on the gear housing.

Preferably, the gear housing, a cover for preventing exposure of the gear portion on the outdoor side may be formed.

Preferably, the gear housing may further include a departure preventing portion formed to contact the top surface of the guide portion to prevent the rod bearing from being detached from the guide portion at the bottom of the rod bearing.

Preferably, the gear portion, the first gear is rotated in accordance with the movement of the guide bearing; A second gear meshed with the first gear; And a third gear engaged with the second gear and coupled to the swing bracket to transmit rotational force to the swing bracket. The first gear and the third gear may be mounted on the shaft.

Preferably, the first gear includes: a pinion portion meshed with a ratchet gear; And a spur gear portion formed to have a smaller diameter than the pinion portion and positioned above the pinion portion. The second gear includes: a lower tooth engaged with the spur gear portion; And it is formed with a smaller diameter than the lower teeth; the upper teeth located on top of the lower teeth; further comprising, the third gear may be engaged with the upper teeth.

Preferably, the ratio of the rotational angle of the swing bracket to the moving length of the guide bearing can be adjusted according to the gear ratio of the first gear to the third gear.

Preferably, the mounting bracket, the fixing portion mounted to the door; One end is coupled to the fixing portion and the other end is coupled to the swing bracket has a b-shaped connection portion; And a support portion that is bent to be spaced apart from the connection portion from the fixing portion to support the swing bracket. It may further include.

Preferably, the connection portion, a groove for limiting the rotation angle of the swing bracket may be formed.

Preferably, the swing bracket, it is possible to limit the rotation of the door to a predetermined angle or more by a mounting bracket is formed to protrude a stopper to adjust the movement angle of the door.

According to the present invention having the configuration as described above, there is an advantage that the collision performance is enhanced and the internal space can be utilized by using a straight lower rail.

In addition, the present invention has the advantage that the center rail is mounted on the door so that the center rail is not mounted on the vehicle body, so that the interior space can be utilized and the center rail is not exposed.

In addition, the present invention has the advantage that the rail can be removed from the upper portion of the vehicle and used in a general passenger car other than a box-type vehicle or a passenger vehicle.

In addition, the present invention has the advantage of easy manufacturing and cost reduction by simplifying the structure by using a gear in the door opening.

1 is a front view of a vehicle equipped with an opposite sliding door device of the present invention.
Figure 2 is a front view of the vehicle body equipped with a sliding door device of the present invention.
Figure 3 is a front view of the center rail and the center roller of the present invention.
Figure 4 is a perspective view of the lower rail of the present invention.
Figure 5 is a perspective view of the door opening of the present invention.
Figure 6 is a perspective view of the door opening portion moving along the lower rail of the present invention.
7 is a perspective view of a gear portion of the present invention.
8 is a perspective view of a gear housing of the present invention.
9 is a perspective view of the mounting bracket of the present invention.
10 is a perspective view of a swing bracket of the present invention.
11A is a perspective view of an opposite sliding door device of the present invention when the door of the present invention is closed.
11B is a perspective view of an opposite sliding door device of the present invention when the door of the present invention is opened.

Hereinafter, the present invention will be described in detail with reference to the contents described in the accompanying drawings. However, the present invention is not limited or limited by the exemplary embodiments. The same reference numerals in each drawing denote members that perform substantially the same function.

The objects and effects of the present invention may be naturally understood or more apparent by the following description, and the objects and effects of the present invention are not limited only by the following description. In addition, in the description of the present invention, when it is determined that the detailed description of the known technology related to the present invention may unnecessarily obscure the subject matter of the present invention, the detailed description will be omitted.

1 is a front view of a vehicle equipped with an opposite sliding door device of the present invention, and FIG. 2 is a front view of a vehicle body 3 equipped with an opposite sliding door device of the present invention.

1 and 2, the sliding door device of the present invention may include a center rail 10, a center roller 20, a lower rail 30, and a door open part 40.

The opposing sliding door device of the present invention can be applied to a vehicle that does not have a straight upper portion of the vehicle body as well as a box-type or sealed vehicle by removing the rail located at the upper portion of the vehicle body or the door of the conventional sliding door apparatus.

The center rail 10 may be mounted along the longitudinal direction of the doors 1 and 2 in the center of the doors 1 and 2.

The center roller 20 is mounted on the vehicle body 3 so as to correspond to the center rail 10, so that the user attempts to open the doors 1 and 2 by hand or automatically by the mechanical mechanism. When is opened, the center rail 10 can be moved along the center roller 20.

The lower rail 30 may be mounted on the lower portion of the vehicle body 3 in a straight line along the longitudinal direction of the vehicle body 3.

The door opening part 40 is mounted on the doors 1 and 2 so as to correspond to the lower rail 30, like the center roller 20, the user attempts to open the doors 1 and 2 by hand or a mechanical mechanism. When the door (1, 2) is automatically opened by moving along the lower rail (30), it is possible to rotate the door (1, 2) to the outdoor side.

The door (1,2) may include a front door (1) and a rear door (2), and the center rail (10) and the center roller (() to open and close the front door (1) and the rear door (2), respectively. 20), the lower rail 30 and the door open portion 40 may be mounted at least two or more.

 The center rail 10 mounted on the front door 1 and the rear door 2 can be mounted in a pair of left and right symmetry, respectively, and the door opening 40 is also the same. In addition, a pair of center rollers 20 mounted on the vehicle body 3 can be mounted symmetrically left and right, and the lower rail 30 is the same.

Each pair of the center rail 10, the center roller 20, the lower rail 30 and the door opening 40 opens and closes the front door 1, and the other pair opens and closes the rear door 2, and the front The door 1 and the rear door 2 can be opened opposite.

3 is a front view of the center rail 10 and the center roller 20 of the present invention.

Referring to FIG. 3, unlike the conventional center rail mounted on the vehicle body 3, the center rail 10 of the present invention is mounted on the doors 1 and 2, even if the doors 1 and 2 are closed. 10) may not be exposed.

In addition, in the case of the front door of the conventional center rail, there is a problem in that a sliding door cannot be installed because there is no mounting space in the vehicle body.

However, since the center rail 10 of the present invention is mounted on the doors 1 and 2, the front door 1 as well as the rear door 2 can also be provided with sliding doors 1 and 2, so that the front door 1 And the rear doors 2 can be implemented with opposite sliding doors 1 and 2 that can be opened in opposite directions, respectively.

4 is a perspective view of the lower rail 30 of the present invention.

4, the lower rail 30 may be formed of a guide portion 31, a sliding portion 33 and a gear mounting portion 35.

When viewed from the side of the lower rail 30, its cross-sectional shape may be formed with a letter 'U'.

The guide portion 31 is located on the upper portion of the lower rail 30, and when viewed from the side, its cross section can be bent in an 'n' shape.

The guide portion 31 is a door opening portion 40 is moved along the lower rail 30 and when opening and closing the doors (1, 2), to prevent the departure of the load bearing 42 to prevent the door opening portion (40) Falling from the lower rail 30 can be prevented.

In addition, the rod bearing 42 may support the upper surface of the guide portion 31 from below, so that the lower rail 30 can support the load of the doors 1 and 2.

The sliding portion 33 is a recessed central portion of the 'U'-shaped lower rail 30, and a guide bearing 41 is inserted into the sliding portion 33 to move along the sliding portion 33 from side to side. have.

The gear mounting part 35 may be located under the lower rail 30. The gear-mounting part 35 is equipped with a ratchet gear 37 to transmit power according to the movement of the gear part 45 of the door open part 40, in particular, the guide bearing 41 to the first gear 451. have.

5 is a perspective view of the door opening 40 of the present invention.

Referring to FIG. 5, the door opening portion 40 includes a gear housing 49, a guide bearing 41, a swing bracket 43, a mounting bracket 47, a gear portion 45, and a rod bearing 42. It can contain.

The gear housing 49 includes a gear portion 45 therein, and a guide bearing 41 and a rod bearing 42 may be mounted on the outside, via the shaft 457 of the gear portion 45 Swing bracket 43 may be coupled to the top.

The guide bearing 41 is moved along the lower rail 30 in surface contact with the sliding portion 33 of the lower rail 30 and may be formed in a circular shape for movement. The guide bearing 41 may be at least two or more for smooth movement.

The swing bracket 43 is rotatably connected to the mounting bracket 47 mounted on the doors 1 and 2, and the other end is coupled to the shaft 457 of the gear part 45, so that the gear part 45 According to the rotation of the door (1,2) can be moved to the outdoor side.

One side of the mounting bracket 47 may be mounted on the doors 1 and 2. The swing bracket 43 is rotatably connected to the other side, and when the doors 1 and 2 are opened, the swing bracket 43 moves according to the rotation of the gear part 45 to rotate the mounting bracket 47 and accordingly the door ( 1,2) can be opened.

6 is a perspective view of the door opening 40 moving along the lower rail 30 of the present invention.

Referring to FIG. 6, the rod bearing 42 is inserted to support the guide portion 31 inside the guide portion 31 of the lower rail 30, and is formed in a circular shape, and left and right along the guide portion 31 You can move the cloud.

As the load bearing 42 supports the guide portion 31, the lower rail 30 can withstand the load of the doors 1 and 2. The rod bearing 42 may be at least two or more for smooth movement and stable load support of the doors 1 and 2.

The gear portion 45, the first gear 451 is meshed with the large gear 37 is rotated according to the movement of the guide bearing 41, the power of the gear portion 45 is the third gear 455 It is transmitted to the swing bracket 43 so that the doors 1 and 2 can be opened simultaneously by sliding to the outdoor side.

7 is a perspective view of the gear portion 45 of the present invention.

Referring to FIG. 7, the gear part 45 may include a first gear 451, a second gear 453, and a third gear 455.

The first gear 451 may be rotated according to the movement of the guide bearing 41.

The first gear 451 includes: a pinion part 4511 meshed with the lager gear 37; And it is located on top of the pinion portion (4511) is formed with a smaller diameter than the pinion portion (4511) spur gear portion (4513); may further include.

As the guide bearing 41 moves, the pinion portion 4511 meshed with the lag gear 37 rotates, and at this time, the pinion portion 4511 is formed on the same axis 457 as the pinion portion 4511, and is located on the upper portion of the pinion portion 4511. The mounted spur gear portion 4513 can rotate together.

The second gear 453 is mounted on a separate shaft from the first gear 451 and may be engaged with the first gear 451.

The second gear 453 includes: a lower tooth 4531 engaged with the spur gear portion 4513; And it is located on the upper portion of the lower teeth (4531) and lower teeth (4531) formed in a smaller diameter than the upper teeth (4533); may further include.

According to the rotation of the spur gear portion 4513, the lower tooth 4531 engaged with the spur gear portion 4513 rotates, and at this time, it is formed of the same axis 457 as the lower tooth 4531 and is located at the upper part of the pinion portion 4511. The mounted upper teeth 4531 can rotate together.

The third gear 455 meshes with the upper cog 453 of the second gear 453, and may be mounted on the top of the shaft 457 which is the same as the first gear 451. The third gear 455 is rotated according to the rotation of the upper tooth 453 and can transmit rotational force to the swing bracket 43 coupled to the upper portion.

The rotation amount of the first gear 451 may be decelerated through the gear ratio of the first gear 451 to the third gear 455. Therefore, it is possible to adjust the rotation angle of the swing bracket 43 compared to the moving distance of the guide bearing 41.

By adjusting the gear ratio of the first gear 451 to the third gear 455, the doors 1 and 2 can be rotated and moved to a desired angle.

For example, by adjusting the gear ratio of the second gear 453 and the third gear 455, the swing bracket 43 coupled to the third gear 455 while the first gear 451 rotates 10 turns Can rotate one wheel.

The gear unit 45 may additionally include a gear in addition to the first gear 451 to the third gear 455 to decelerate the rotation amount of the first gear 451 to derive a desired gear ratio.

As the gear unit 45 is used, it is possible to rotate the doors 1 and 2 by a desired angle without an existing speed reducer, thereby reducing the cost.

8 is a perspective view of a gear housing 49 of the present invention.

Referring to FIG. 8, the gear housing 49 may have a cover 48 on the outdoor side to prevent exposure of the gear unit 45.

In addition, the gear housing 49 is a departure preventing portion formed to contact the top surface of the guide portion 31 to prevent the rod bearing 42 from being detached from the guide portion 31 at the bottom of the rod bearing 42 ( 44); may be further included.

The departure-preventing portion 44 may be slid in contact with the guide portion 31 together with the rod bearing 42 according to the movement of the guide bearing 41.

9 is a perspective view of the mounting bracket 47 of the present invention.

Referring to FIG. 9, the mounting bracket 47 may include a fixing part 471, a connecting part 475, and a support part 473.

The fixing part 471 may be mounted on the inner panel of the doors 1 and 2 in the same way as bolting.

The connecting portion 475 has one end coupled to the fixing portion 471, the other end coupled to the swing bracket 43, and the center of the b-curve can be bent. The swing bracket 43 is coupled to the other end so as to be rotatable, and when the swing bracket 43 is moved as the connecting portion 475 is bent, the doors 1 and 2 can be opened and closed to the outdoor side.

In addition, the connection portion 475 may be formed with a groove 477 for limiting the rotation angle of the swing bracket 43.

The support portion 473 is bent to be separated from the connection portion 475 from the fixing portion 471, and as the swing bracket 43 is coupled between the fixing portion 471 and the connection portion 475, the support portion 473 is a swing bracket 43 ).

10 is a perspective view of the swing bracket 43 of the present invention.

Referring to FIG. 10, the swing bracket 43 is formed with a gear coupling portion 431 to which the third gear 455 is coupled, and a rotation portion 435 rotatably coupled to the mounting bracket 47. .

The center of the swing bracket 43 is bent at a predetermined angle to convert the linear motion of the first gear 451 into the rotational motion of the doors 1 and 2 without a separate link.

In addition, the swing bracket 43 is formed with a protruding stopper 433 to adjust the movement angle of the doors 1 and 2 to limit rotation of a predetermined angle or more by the mounting bracket 47.

The swing bracket 43 calculates the movement angle of the doors 1 and 2 so that there is no interference with other parts when the doors 1 and 2 are moved to the outdoor side, and the doors 1 and 2 above a predetermined angle are calculated. ), The stopper 433 may be formed at a position to prevent rotation.

When the doors 1 and 2 are rotated and opened at a predetermined angle, the stopper 433 may contact the groove 477 so that the door can no longer move.

11A is a perspective view of the opposite sliding door device of the present invention when the door of the present invention is closed, and FIG. 11B is a perspective view of the opposite sliding door device of the present invention when the door of the present invention is opened.

11A and 11B, the lower rail 30 is mounted on the vehicle body 3 in a straight structure so that the doors 1 and 2 do not intrude into the vehicle body 3 when the doors 1 and 2 are opened. No, it is possible to increase the utilization of the internal space more than when mounted in a curved structure.

Therefore, it can be utilized not only for general vehicles, but also for special vehicles that require a lot of space for battery installation therein, such as electric vehicles.

In addition, when there is an impact or a collision on the side surface of the vehicle body 3, the collision performance may be enhanced as compared with a curve.

The collapsible sliding door device of the present invention, which has enhanced collision performance by utilizing a straight rail structure, can be applied to a B-pillar-free vehicle without a B-pillar.

Referring to FIG. 11A, it can be seen that the lower rail 30 and the door open part 40 viewed from the outdoor side when the doors 1 and 2 are closed. When the doors 1 and 2 are closed, the swing bracket 43 and the connecting portion 475 may be separated at a predetermined angle.

Referring to FIG. 11B, it can be seen that the lower rail 30 and the door opening 40 viewed from the outdoor side when opened.

The swing bracket 43 can increase the space utilization by forming the shape of the surface contacting the connecting portion 475 to correspond to the contact portion when the doors 1 and 2 are opened. When the doors 1 and 2 are opened, the swing bracket 43 and the connection portion 475 are in contact to prevent the doors 1 and 2 from rotating any more.

According to the gear ratio of the first gear 451 to the third gear 455, the ratio of the rotation angle of the swing bracket 43 to the moving length of the guide bearing 41 can be adjusted, and accordingly, the swing bracket 43 The shape can be different.

Although the present invention has been described in detail through exemplary embodiments above, those skilled in the art to which the present invention pertains understand that various modifications are possible within the limits of the embodiments described above without departing from the scope of the present invention. will be. Therefore, the scope of rights of the present invention should not be limited to the described embodiments, but should be determined by all modified or modified forms derived from the claims and equivalent concepts as well as the claims described below.

1: Front door
2: Rear door
3: Body
10: Center rail
20: Center roller
30: Lower Rail
31: guide section
33: sliding part
35: gear mounting portion
37: Rasese
40: door opener
41: Guide bearing
42: Road bearing
43: Swing bracket
431: gear coupling
433: stopper
435: meeting part
44: departure prevention unit
45: gear section
451: first gear
4511: pinion
4513: Spur Gear Fisherman
453: Second gear
4531; Lower teeth
4533: upper teeth
455: Third gear
457: shaft 47: mounting bracket
471: fixing part
473: support
475: connection
477: Home
48: cover
49: gear housing

Claims (11)

A center rail mounted in the center of the door along the longitudinal direction of the door;
A center roller mounted on the vehicle body to move the center rail;
A lower rail mounted in a straight line along the longitudinal direction of the vehicle body under the vehicle body; And
It includes a door opening that moves along the lower rail and moves the door to the outdoor side.
The door opening portion,
A guide bearing moved along the lower rail in a state in contact with the lower rail;
A gear part engaged with the rack gear mounted on the lower portion of the lower rail and rotating according to the movement of the guide bearing; And
An opposite type, further comprising: a swing bracket having one end rotatably connected to the mounting bracket mounted on the door and the other end coupled to the shaft of the gear part to move the door toward the outdoor side according to the rotation of the gear part Sliding door device.
The method of claim 1, wherein the door includes a front door and a rear door,
To open and close the door, the center rail, the center roller, the lower rail, and the door open unit are each equipped with two or more, and the opposite type sliding door device characterized in that the front door and the rear door are opened to face each other. .
The method of claim 1, wherein the door opening portion,
A gear housing accommodating the gear portion therein and the swing bracket coupled to the upper end via the shaft; And
Further comprising; a rod bearing inserted to support the guide portion inside the guide portion bent in an n-shape on the top of the lower rail;
The rod bearing is an opposite type sliding door device, characterized in that mounted on the gear housing.
According to claim 3, The gear housing,
An opposite type sliding door device, characterized in that a cover for preventing exposure of the gear portion is formed on the outdoor side.
According to claim 3, The gear housing,
Opposite type sliding door device further comprising; a departure preventing portion formed to contact the top surface of the guide portion to prevent the rod bearing from being detached from the guide portion at the bottom of the rod bearing.
According to claim 1, wherein the gear portion,
A first gear rotated according to the movement of the guide bearing;
A second gear meshed with the first gear; And
Further comprising; a third gear meshed with the second gear and coupled to the swing bracket to transmit rotational force to the swing bracket;
The first gear and the third gear are opposed sliding door device, characterized in that mounted on the shaft.
The method of claim 6,
The first gear,
A pinion part meshed with the lazy gear; And
Further comprising a spur gear portion formed in a smaller diameter than the pinion portion located on the upper portion of the pinion portion,
The second gear,
A lower tooth engaged with the spur gear; And
It is formed with a smaller diameter than the lower teeth, the upper teeth located above the lower teeth; further comprises,
The third gear is opposed to the sliding door device, characterized in that the mesh with the upper teeth.
The opposite sliding door device according to claim 6, wherein a ratio of a rotation angle of the swing bracket to a movement length of the guide bearing is adjusted according to a gear ratio of the first gear to the third gear.
According to claim 1, wherein the mounting bracket,
A fixing part mounted on the door;
A connection part having a b-shape having one end coupled to the fixing part and the other end coupled to the swing bracket; And
A support portion that is bent to be spaced apart from the connection portion from the fixing portion and supports the swing bracket; Opposite type sliding door device further comprises.
The method of claim 9, wherein the connecting portion,
Opposite type sliding door device, characterized in that a groove is formed to limit the rotation angle of the swing bracket.
According to claim 1, The swing bracket,
An opposite sliding door device, characterized in that a protruding stopper is formed to adjust the movement angle of the door to limit the rotation of the door by a predetermined angle or more by the mounting bracket.

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