JPH0724263Y2 - Double open / close slide door device for vehicles - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention relates to a sliding door device for a vehicle.

[Prior art]

Conventionally, various types of vehicle slide door devices have been proposed, but as one form thereof, an opening provided on a side of a vehicle body is configured to be opened and closed by two front and rear slide doors. When both slide doors are closed, both slide doors are substantially flush with the outer surface of the body, and when one of the slide doors is opened, the open slide door moves along the outside of the closed slide door. There is a vehicle double-opening / closing slide door device configured as described above, and such a vehicle double-opening / closing slide door device is disclosed in, for example, Japanese Utility Model Laid-Open No. 57-163481.

[Problems to be solved by the device]

However, in the vehicle open / close slide door device disclosed in the above publication, the opened slide door is guided and supported only by the fixed rail provided at the upper edge of the opening, and thus is unstable. It is difficult to open and close the sliding door smoothly.

The present invention has been made to solve the above-described problems, and provides a vehicle double-opening / closing slide-door device that can guide and support an open slide-door at four points and can open and close smoothly with good stability. Is intended.

[Means for Solving the Problems]

In order to achieve the above-mentioned object, in a vehicle open / close slide door device according to the present invention, an inner front edge upper end and an inner front edge lower end of a front slide door and an inner rear edge upper end and an inner rear edge lower end of a rear slide door are provided. A pair of front and rear upper roller arms fixedly attached to the front and rear body upper guide rails and body lower guide rails, respectively, which are fixedly attached to the front and rear sides of the body along the upper and lower edges of the body. And a lower roller arm and an intermediate portion of a pillar provided on the body at approximately the center of the opening so as to be swingable inward and outward, respectively, and urged outward by a spring, and an intermediate portion inside each of the slide doors. A pair of front and rear center roller arms, which are assembled to the door intermediate guide rails provided along the front-rear direction at the part so as to be relatively movable, The door lower guide rails provided along the front-rear direction inside the lower ends of the slide doors are movably assembled to each other, and are connected to each other via a link through which a central portion can pass under the slide doors. A pair of front and rear holder rollers that are located at lower end portions of the slide doors that are close to each other when the slide doors are closed, and that move integrally with the slide doors when the slide doors are opened and moved. Thus, the both slide doors are configured to be guided and supported.

[Effect of the device]

In the open / close slide door device for a vehicle according to the present invention, each slide door is guided and supported by the upper roller arm and the lower roller arm at the front or rear upper and lower ends thereof, and at the rear or front lower end thereof. Guided and supported by holder rollers connected by links,
In addition, the center roller arm guides and supports the intermediate portion, and the three corners and the intermediate portion guide and support four positions. Therefore, the stability is extremely excellent, and the sliding door can be smoothly opened and closed.

Also, in the vehicle open / close slide door device according to the present invention, the upper roller arm and the lower roller arm are fixed to the inner upper end and the inner lower end of each slide door, respectively, and are provided at the upper and lower edges of the opening of the body. A door middle installed on the inner middle part of each slide door by being assembled to the body upper guide rail and the body lower guide rail, and a center roller arm being assembled to the middle part of the pillar provided on the body at approximately the center of the opening. It is assembled to the guide rail, and further, the holder roller is assembled to the door lower guide rail provided inside the lower end of each slide door. Each upper roller arm, lower roller arm, center roller arm, holder roller, etc. The guide rails to which these are assembled are hidden inside both slide doors and cannot be seen from the outside. Because, appearance is not impaired.

Further, in the vehicle open / close slide door device according to the present invention, since the pair of front and rear holder rollers connected by the link are commonly used as guide support members for both slide doors, each slide door is guided at four locations. Despite the supporting structure, the structure of the device can be simplified and can be implemented at low cost.

〔Example〕

 An embodiment of the present invention will be described below with reference to the drawings.

FIGS. 1 and 2 show a freight vehicle equipped with a vehicle double-sided opening / closing slide door device according to the present invention. A box-shaped body 10 provided at the rear of the vehicle has rectangular openings 11 on both left and right sides. Are formed respectively, and the front and rear two slide doors 2
It is configured to be opened and closed by 1,22 (however,
(It is also possible to implement without opening on the right side, which is not shown). Although not shown, a rectangular opening is provided at the rear of the body 10, and the rectangular opening is configured to be opened and closed by an upper opening rear door pivotally attached to the body 10 at the upper end.

The sliding doors 21 and 22 are respectively guided and supported by A, B, C and D parts shown in FIG. 1 as will be described later in detail, and each of the slide doors 21 and 22 is attached to the body 10 by a door lock mechanism not shown. It is configured to be fixed separately and close the opening 11. When it is closed, it is substantially flush with the outer surface 12 of the body 10, and when it is opened, the front slide door 21 is shown in FIG. It is configured to move in the front-rear direction along the outside of the closed slide door 22 as shown in FIG. In addition,
The door lock mechanism of each slide door 21, 22 is the same as the one generally used in the conventional slide door device, and the front door lock mechanism is the slide door.
A pair of upper and lower stoppers, which are provided on the front end surface of the front door 21 and the front edge standing wall of the opening 11 facing the front end surface, respectively, and allow the tilting in the inward and outward directions with the front end of the slide door 21 as a fulcrum to stop when engaged, A lock device (a latch or the like) provided at a middle portion of the rear end surface of the door 21 and engaged with and disengaged from a catch 14 (see FIGS. 1 and 6) provided on a column 13 provided at the body 10 at approximately the center of the opening 11. The rear door lock mechanism is provided on the rear end surface of the slide door 22 and the rear edge wall of the opening 11 facing the rear door surface, and the rear end of the slide door 22 serves as a fulcrum when engaged. A pair of upper and lower stoppers that allow tilting inward and outward to stop, and a catch 15 (see FIG. 1 and FIG. 6) provided on the strut 13 provided at the intermediate portion of the front end surface of the slide door 22. Consists of a locking device The lock devices are released by operating the handles 21a and 22a (see FIG. 1) provided on the outer plates of the slide doors 21 and 22 and the handles (not shown) provided on the inner plates of the slide doors 21 and 22. It is configured to be able to.

In the portion A of FIG. 1, the upper roller arm 23 is attached to the upper end of the inner front edge of the slide door 21 as shown in FIGS. 3 and 4 by taking the front side as an example. . The upper roller arm 23 is composed of an arm 23a fixed to the inner plate of the slide door 21 and a roller 23b rotatably attached to the tip of the arm 23a.
The slide door 21 is guided and supported by the upper guide rail 16 of the body at 3b so as to be movable. The body upper guide rail 16 is provided in the front-rear direction along the upper edge of the opening of the body 10, and has a front end portion formed in a curved shape inward as shown in FIGS. 2 and 3. ing. Although the rear part A is not shown in the figure, it has the same structure as the front part A described above.

Further, in the portion B of FIG. 1, the front side is taken as an example to
As shown in FIG. 5 and FIG. 5, the lower roller arm 24 is attached to the lower end of the inner front edge of the slide door 21. The lower roller arm 24 is composed of an arm 24a fixed to the inner plate of the slide door 21 via a bracket, and rollers 24b and 24c rotatably attached to the tip of this arm 24a. The slide door 21 is movably assembled to the lower guide rail 17, and rollably abuts on the flat surface 10a of the body 10 by a roller 24c to guide and support the slide door 21. The lower body guide rail 17 is provided in the front-rear direction along the lower edge of the opening of the body 10, and as shown in FIG. 3, its front end portion is formed in a shape curved inward. Although the rear B part is not shown, it is configured in the same manner as the front B part described above.

On the other hand, in the C portion of FIG. 1, as shown in FIGS. 6 and 7, a pair of front and rear center roller arms 25 (the rear center roller arm is (Not shown) is attached. The center roller arm 25 includes an arm 25a that is attached to the end surface of the column 13 through a pin 25f and a pair of upper and lower bushes 25g and 25h so as to be swingable inward and outward in a horizontal state, and a pin 25 at the tip of this arm 25a.
i and a holder 25b tiltably assembled via a pair of upper and lower bushes 25j, 25k, and three rollers 25c, 25d, 25e rotatably assembled to the holder 25b,
It is biased outward by a spring 26 provided between the columns 13, and the rollers 25c, 25d, and 25e guide the door intermediate guide rail 2
The slide door 21 is mounted on the slide door 21 so as to be relatively movable, and guides and supports the slide door 21. When the slide door 21 is opened, the center roller arm 25 is swung outward by the spring 26 to the position shown by the phantom line in FIG. 6 and abutted against and held by the stopper cushion 13a provided on the column 13. . The door intermediate guide rail 27 is provided in the inner intermediate portion of the slide door 21 along the front-rear direction, and has both rollers 25c, on the side wall.
25d is engaged and the upper wall is engaged with a roller 25e. The rear center roller arm (not shown) has the same structure as the center roller arm 25 described above.

Further, in the D portion of FIG. 1, as shown in FIG. 8 to FIG. 10, door lower guide rails 28 and 29 are provided inside the lower ends of the slide doors 21 and 22 along the front-rear direction. A pair of front and rear holder rollers 31 and 32 are movably assembled and connected to each other via a link 33.

The front holder roller 31 includes a holder 31a and the holder 31a.
Is composed of five rollers 31b to 31f that are rotatably assembled to the lower door guide rail 28 by the rollers 31b, 31c, 31d, and 31e, and the lower surface of the slide door 21 by the roller 31f. The slide door 21 guides and supports the slide door 21 in rotatably contact with the link 33 and the rear holder roller 32. Also, this holder roller 31 is
When the door is moved forward (closed), it is pushed by a protrusion 28a provided at the rear end of the door lower guide rail 28.

On the other hand, the rear holder roller 32 is composed of a holder 32a and five rollers 32b to 32f that are rotatably assembled to the holder 32a. The rollers 32b, 32c, 32d, and 32e form a door lower guide rail. The link 33 is attached to the lower surface of the slide door 22 by the roller 32f so as to be rollable.
Also, the slide door 22 is guided and supported in cooperation with the front holder roller 31. Further, the holder roller 32 is provided when the slide door 22 is moved backward (closed).
It is adapted to be pushed by a projection 29a provided on the front end portion of the door lower guide rail 29.

The link 33 is rotatably connected to the holders 31a and 32a of both holder rollers 31 and 32 at both ends 33a and 33b through pins 33c and 33d and a pair of upper and lower bushes, respectively, and a central portion 33e is a slide door. It is formed in such a shape that it can pass under 22 or 21, and a guide pin 33f is provided at the center so as to project upward. This link 33 tilts as shown in the phantom line in FIG. 8 by moving the slide doors 21 and 22 outward, and the central portion 33e passes under the slide door (22). And the guide pin 33f is the guide rail (29).
When the slide door 21 is moved rearward (opened), it is pushed by a projection 21b provided on the slide door 21 and is slid on the slide door 22. When it is moved forward (opened), it can be pushed by a projection 22b provided on the slide door 22.

In the present embodiment constructed as described above, when the sliding doors 21 and 22 are fixed to the body 10 by the door lock mechanisms and are closed, the rollers of the upper roller arms 23 at the portions A in FIG. 23b is the body upper guide rail 1
Located in the inwardly curved end of 6, the rollers 24b of each lower roller arm 24 are located in the inwardly curved end of the body lower guide rail 17 in both parts B in FIG.
Each center roller arm 25 is held at the position shown by the solid line in FIG. 6 in the C part of the figure, and both holder rollers 31, 32 and the link 33 are shown by the solid line in FIG. 8 in the D part of FIG. Closed position (lower ends of sliding doors 21 and 22 that are close to each other)
The outer surfaces of both slide doors 21 and 22 are substantially flush with the outer surface 12 of the body 10.

By the way, for example, when the door lock mechanism of the front slide door 21 is released by operating the handle 21a, the front center roller arm 25 is swung outward and backward by the spring 26 as shown by the phantom line in FIG. The sliding door 21 is moved outward and backward by a required amount. At this time, however, both the holder rollers 31, 32 and the link 33 are moved to the position shown by the phantom line in FIG. 8 in the portion D in FIG. 1, and then the slide door 21 is moved backward (or forward). ), The upper roller arm 23
While the lower roller arm 24 is guided by the guide rails 16 and 17, and the door intermediate guide rail 27 is guided by the center roller arm 25, the lower roller arm 24 and the lower roller arm 24 are moved backward (or forward), and the holder rollers 31, 32 and the link 33 are projected 21b. (Or the protrusion 28a) pushes the slide door 21 integrally, and the guide pin 33f moves rearward (or forward) while being guided by the lower surface groove of the guide rail 29. Even when the door lock mechanism of the rear slide door 22 is released by the handle 22a, the same operation as that of the slide door 21 described above can be obtained.

As is clear from the above, in the vehicle double opening / closing slide door device of the present embodiment, the slide doors 21 and 22 are formed by the upper roller arm 23 and the lower roller arm 24 at the front and rear upper and lower ends, respectively. It is guided and supported, and is guided and supported by the holder rollers 31 and 32 connected by a link 33 at the lower end on the rear side or the front side, and guided and supported by the center roller arm 25 at an intermediate portion,
Since it is guided and supported at the three corners and the intermediate portion, the stability is extremely good and the sliding doors 21 and 22 can be opened and closed smoothly.

In addition, each upper roller arm 23 and lower roller arm 24
Body upper guide rails 16 and body lower guide rails that are fixed to the inner upper and lower ends of the slide doors 21 and 22, respectively, and are provided on the upper and lower edges of the opening of the body 10.
A door intermediate guide installed on the inner intermediate part of each slide door 21, 22 by being assembled to the center roller arm 25 at the center of the opening 11 and at the middle part of the column 13 provided on the body 10. It is assembled to the rail (27), and the holder rollers 31 and 32 are assembled to the door lower guide rails 28 and 29 provided inside the lower ends of the slide doors 21 and 22, respectively.
The upper roller arm 23, the lower roller arm 24, the center roller arm 25, the holder rollers 31, 32, etc., and the guide rails 16, 17, 27, 28, 29 on which these are assembled are both slide doors 2.
It is hidden inside 1,22 and cannot be seen from the outside (however,
Since the holder rollers 31, 32 and a part of the link 33 are visible, the appearance is not impaired.

Further, since the pair of front and rear holder rollers 31 and 32 connected by the link 33 are commonly used as guide support members for both slide doors 21 and 22, the slide doors 21 and 22 are guided and supported at four locations. However, the structure of the device can be simplified and can be implemented at low cost.

[Brief description of drawings]

FIG. 1 is a side view of a freight vehicle equipped with a vehicle double-opening / closing slide door device according to the present invention, FIG. 2 is a plan view of the same, and FIG. 3 is a partially enlarged plan view of a front portion A of FIG. FIG. 5 is an enlarged rear view of the same longitudinal section, FIG. 5 is a partially enlarged rear view of the front B portion of FIG. 1, FIG. 6 is a partially enlarged plan view of C portion of FIG. 1, and FIG. 7 is a sliding door of the same portion. Fig. 8 is a partially enlarged plan view of the portion D in Fig. 1, Fig. 9 is a rear view of the same, and Fig. 10 is a side view of both holder rollers and links when they are opened. Explanation of symbols 10 …… Body, 11 …… Opening, 12 …… Outside surface, 13 …… Post, 16 …… Body upper guide rail, 17 …… Body lower guide rail, 21,22 …… Sliding door, 23… … Upper roller arm, 24 …… Lower roller arm, 25 …… Center roller arm, 26 …… Spring, 27 …… Door middle guide rail, 28, 29 …… Door lower guide rail, 31, 32 ……
Holder roller, 33 …… Link.

Claims (1)

[Scope of utility model registration request] 1. An opening provided on a side of a body of a vehicle is configured to be opened and closed by two front and rear slide doors, and when the both slide doors are closed, the both slide doors are substantially the same as an outer surface of the body. In the vehicle double open / close slide door device configured to move along the outside of the closed slide door when either one of the slide doors is opened, a front slide door An inner front edge upper end and an inner front edge lower end, and an inner rear edge upper end and an inner rear edge lower end of a rear slide door, respectively, and a front and rear pair provided in the front-rear direction along the opening upper edge and the opening lower edge of the body, respectively. A pair of front and rear upper roller arms and lower roller arms movably assembled to the upper body guide rail and the lower body guide rail, respectively, At the approximate center of the opening, the pillars provided on the body are assembled so that they can be swung inward and outward, respectively, and are urged outward by springs, and along the front-rear direction at the inner intermediate portions of the slide doors. A pair of front and rear center roller arms that are respectively movably assembled to the door intermediate guide rails, and movably assembled to the lower door guide rails that are provided inside the lower ends of the slide doors in the front-rear direction. When the slide doors are attached and are connected to each other via a link whose central portion can pass under the slide doors and the slide doors are closed, the slide doors are located at lower end portions of the slide doors close to each other. When the slide door is opened and moved, the slide door is moved by the pair of front and rear holder rollers that move integrally with the slide door. Vehicle both opening and closing sliding door apparatus characterized by being configured to respectively Re is guided and supported.