JPH0724265Y2 - 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 address the above-mentioned problems, and it is possible to guide and support an open slide door at four locations, which enables stable and smooth opening and closing, and one of the slide doors can be opened. An object of the present invention is to provide a vehicle double-sided open / close slide door device that can fix the other slide door in a closed state when the door is open.

[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 two slide doors are configured to be guided and supported by each other, and are provided between the center roller arms and the support columns so that when one of the center roller arms swings, the other center roller arm swings. When one of the slide doors is open, the other swing door is restricted by the arm swing restriction means for restricting the movement of the other slide door. Idodoa is configured to be secured in the closed state.

The arm rocking restricting means is fixed to each of the center roller arms and extends in the up-down direction, and a pair of front and rear pins, and is slidably assembled in the front-rear direction on the support column so as to always engage with the front pin. When the front center roller arm swings, it is pushed rearward by the front pin to engage with the rear pin and swing the rear center roller arm. A first slide plate for restricting movement and a slidable assembly in the column in the front-rear direction to constantly engage the rear pin and detachably engage the front pin for rear center When the roller arm swings, a second slide plate is pushed forward by the rear pin to engage with the front pin to regulate the swing of the front center roller arm. To is desirable.

[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. These are assembled, but the guide rails are hidden inside both slide doors and are not visible from the outside. Therefore, the 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.

Also, in the vehicle open / close slide door device according to the present invention, between the center roller arms and the support columns, when one of the center roller arms swings, the other swings the center roller arm. Since the means is provided and the other slide door is fixed in the closed state when one of the slide doors is opened, it is not possible to perform an erroneous operation such as opening both slide doors. There is no problem that both slide doors open together and interfere with each other. The arm rocking restricting means is fixed to each of the center roller arms, and a pair of front and rear pins that extend in the vertical direction, and first and first pins that are slidably assembled to the support column in the front and rear directions and are operatively linked to these pins. When configured with two slide plates, the number of components is small, and it can be implemented compactly and inexpensively.

〔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 so as to be separately fixed to close the opening 11. When the opening 11 is closed, the opening 11 is substantially flush with the outer surface 12 of the body 10, and when opened, the front sliding door 21 of 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 body lower 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 and 26 are attached to an intermediate portion of the column 13 provided on the body 10. . The front center roller arm 25 is a bracket fixed to the column 13, as shown in detail in FIGS. 7 and 8.
An arm 25a attached to 13a so as to be swingable inward and outward in a horizontal state via a pin 25f and a pair of upper and lower bushings 25g and 25h.
And a holder 25b attached to the tip of this arm 25a so as to be tiltable via a pin 25i and a pair of upper and lower bushes 25j, 25k,
Three rollers 25c, 2 rotatably assembled to this holder 25b
It is composed of 5d and 25e, and is urged outward (downward in FIG. 6) by a torsion spring (not shown) provided between the columns 13, and the rollers 25c, 25d, and 25e are intermediate door guide rails. The slide door 21 is attached to 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 torsion spring to the position shown by the phantom line in FIG. 6 and abutted against and held by the stopper cushion 13b provided on the column 13. . The door intermediate guide rail 27 is provided along the front-rear direction at the inner intermediate portion of the slide door 21, and both rollers 25c and 25d are engaged with the side wall and the roller 25e is engaged with the upper wall. . The rear center roller arm 26 has the same structure as the center roller arm 25 described above (see FIGS. 6 and 8).

Therefore, in the C portion of FIG. 1, as shown in FIGS. 6 and 8, one of the center roller arms 25 (or
When the center roller arm 26 (or 2)
5) An arm rocking restricting means 40 for restricting the rocking is provided between the center roller arms 25, 26 and the support column 13, and one of the slide doors 21 (or 22) is opened by the means 40. While the other slide door 22 (or 21)
Is configured to be fixed in a closed state.

The arm swing restricting means 40 is provided for each center roller arm 25, 26.
A pair of front and rear pins 41, 42 that are fixed (welded) to each other and extend in the vertical direction, and the upper bracket 1 that is fixed to the column 13.
It is composed of an upper slide plate 43 attached to 3c and a lower slide plate 44 attached to a lower bracket 13d fixed to the column 13.

As shown in FIGS. 6 and 8, the upper slide plate 43 has a long hole 43a extending in the front-rear direction in the central portion and a cam long hole 43b extending obliquely in the front portion. Further, it has a hook 43c that opens rearward at the rear end, and a pair of bolts 45, 46 (upper bracket) in the long hole 43a.
Is fixed to 13c via nuts 45A and 46A) so as to be slidable in the front-rear direction with respect to the strut 13, and is always engaged with the front pin 41 in the cam long hole 43b. Further, a hook 43c engages with a rear pin 42 in a disengageable manner. In this upper slide plate 43,
When the front center roller arm 25 swings, as shown by the phantom line in FIG. 6, it is pushed rearward by the front pin 41 and engaged with the rear pin 42 by the hook 43c, and the rear pin 42 is engaged. The swing of the center roller arm 26 is restricted. In addition, each pin 41, 42
Further, bushes 49 are provided at the portions where the bolts 45, 46 and the upper slide plate 43 engage with each other.

On the other hand, the lower slide plate 44 has a shape in which the upper slide plate 43 is reversed in the front-rear direction, that is, it has a long hole (not shown) extending in the front-rear direction in the central portion, and a cam long hole (shown in the figure) extending obliquely in the rear portion. And a hook (not shown) that opens to the front at the front end, and, like the upper slide plate 43, has a pair of bolts with long holes.
47 and 48 (fixed to the lower bracket 13d using nuts 47A and 48A) are slidably attached to the support column 13 in the front-rear direction, and are attached to the rear pin 42 by the cam elongated hole. It is always engaged, and further, is engaged with the front pin 41 by a hook in a detachable manner (see FIG. 8). In this lower slide plate 44, the rear center roller arm
When 26 is rocked, it is pushed forward by the rear pin 42 and engaged with the front pin 41 by the hook to regulate the rocking of the front center roller arm 25. Bushings 49 are provided at the portions where the pins 41, 42 and the bolts 47, 48 are engaged with the lower slide plate 44.

Further, in the D portion of FIG. 1, as shown in FIG. 9 to FIG. 11, 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. The holder roller 32 is pushed by a protrusion 29a provided at the front end of the door lower guide rail 29 when the slide door 22 is moved backward (closed).

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. 9 when each slide door 21, 22 is moved 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.
The center roller arms 25 and 26 are held at the positions shown by the solid line in FIG. 6 and FIG. 8 in the C portion of the drawing, and both holder rollers 31, 32 and the link 33 are held at the 9th position in the D portion of FIG. It is held at the positions shown by the solid lines in the figure (lower ends of the slide doors 21 and 22 that are close to each other), and
The outer surface of 2 is 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 the operation of the handle 21a, the front center roller arm 25 is moved outward and outward as shown by the phantom line in FIG. 6 by a torsion spring (not shown). The slide door 21 is swung backward, and the slide door 21 is moved outward and backward by a required amount accordingly. At this time, the upper slide plate 43 is pushed rearward by the front pin 41 as shown by the phantom line in FIG. 6, so that the hook 43c engages with the rear pin 42 and the rear center roller is engaged. The swing of the arm 26 is restricted by the upper slide plate 43.

At this time, the holder rollers 31, 32 and the link 33 are moved to the positions shown by the phantom lines in FIG. 9 in the part D in FIG. 1, and then the slide door 21 is moved backward (or forward). When the upper roller arm 23 and the lower roller arm 24 are guided by the guide rails 16 and 17, and the door intermediate guide rail 27 is guided by the center roller arm 25, the upper roller arm 23 and the lower roller arm 24 move backward (or forward), and both holder rollers 31 move. , 32 and the link 33 are pushed together with the slide door 21 by the protrusion 21b (or the protrusion 28a) 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 above-described slide door 2
The same operation as in the case of 1 is 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.

Further, between the center roller arms 25 and 26 and the support column 13, when one of the center roller arms 25 (or 26) is rocked, the other center roller arm 26 (or 25) is restricted from rocking. Since the restricting means 40 is provided and one of the slide doors 21 (or 22) is opened, the other slide door 22 (or 21) is fixed in the closed state. It is not possible to make an erroneous operation such as opening both slide doors 21 and 22 together.
There is no problem of the two being opened together and interfering with each other. The arm swing restricting means 40 is a pair of front and rear pins 41 and 42 fixed to the center roller arms 25 and 26 and extending in the vertical direction, and a pair of front and rear pins slidably assembled to the support column 13 for both pins. Since it is composed of the pair of upper and lower slide plates 43 and 44 that are operatively linked to the members 41 and 42, the number of constituent components is small, and it can be implemented compactly and inexpensively.

[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 front view when opened, Fig. 8 is a side view of the portion C in Fig. 1 seen from the inside of the vehicle, and Fig. 9 is D in Fig. 1.
FIG. 10 is a partially enlarged plan view of a portion, FIG. 10 is a rear view of the same, and FIG. 11 is a side view of both holder rollers and links. 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, 40 ... Arm swinging control means, 41, 42 ... Pin, 43 ... Upper (first) slide plate, 44 ... Lower (second) slide plate.

Claims (2)

[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. An arm that is configured to be guided and supported respectively and that is provided between the both center roller arms and the support column and that restricts the swing of the other center roller arm when the one of the center roller arms swings. A double-opening / closing slide door device for a vehicle, characterized in that, when one of the slide doors is opened, the other slide door is fixed in a closed state by the rocking restricting means. 2. A pair of front and rear pins fixed to each of the center roller arms and extending in the vertical direction, and a pair of front and rear pins that are slidably mounted in the column on the column. Always engages with the rear pin and is removably engaged with the rear pin, and is pushed rearward by the front pin when the front center roller arm swings to engage with the rear pin and engage with the rear pin. A first slide plate that restricts the swing of the center roller arm and a slidable assembly in the column in the front-rear direction so as to be constantly engaged with the rear pin and detachably engaged with the front pin. When the rear center roller arm swings, the second pin is pushed forward by the rear pin and engages with the front pin to regulate the swing of the front center roller arm. Both opening and closing sliding door device for a vehicle according to claim 1 constructed in accordance with.