JPH0694256B2 - Hinge device for automobile sliding door - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION "Industrial field of application" The present invention is provided on one side of a vehicle body door opening, is fitted to a guide rail on the slide door side, and is capable of moving the slide door in its surface direction and is substantially horizontal. BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hinge device for a sliding door for an automobile, which is supported so as to be slidable and openable in a direction.

"Prior Art" As a conventional hinge device for an automobile slide door, a substrate fixed to a vehicle body, a pair of swing link members swingably connected to the substrate, and a pair of swing link members. A quadrilateral link is formed by a connecting member that connects the sliding doors, and the connecting member is provided with guide members spaced apart from each other in the vertical direction. Is supported so as to be movable in its plane direction and capable of sliding and opening / closing in a substantially horizontal direction.

A resin guide shoe or resin roller is generally used as the guide member. Also, a combination of a plurality of bearings is used specially.

[Problems to be Solved by the Invention] However, in such a conventional hinge device for an automobile slide door, when the former guide member is a resin-made guide shoe or the like, a guide shoe and a guide rail are provided. Depending on the mating state, a so-called stick phenomenon may occur when the slide door is opened or closed, or the sliding resistance of the slide door may become extremely large.
There is a problem that the operability of opening and closing the slide door becomes poor.

Even if the initial setting or correction is made so that the fitting between the guide shoe and the guide rail is in an appropriate state, the guide shoe is worn and the proper fitting cannot be maintained due to frequent opening and closing of the slide door. .

When a bearing is used for the latter guide member,
The open / close operability of the slide door is better than the former. However, since a plurality of bearings are used, it is very expensive.

The present invention has been made in view of such a conventional problem, and always makes the fitting of the guide member and the guide rail proper to improve the opening / closing operability of the slide door and to reduce the manufacturing cost. An object of the present invention is to provide a hinge device for a sliding door for a vehicle, which can be reduced in number to solve the above problems.

"Means for Solving Problems" The gist of the present invention for achieving such an object is to provide a slide door that is provided on one side of a vehicle body door opening and is fitted to a guide rail on the slide door side. In a hinge device for an automobile slide door that is supported so as to be movable in its surface direction and capable of sliding open / close in a substantially horizontal direction, a substrate fixed to a vehicle body and an integral swing link member swingably connected to the substrate. And a connecting member that connects the pair of rocking link members to each other to form a quadrilateral link, and the connecting member is provided with a pair of guide members that make a pair of an upper portion and a lower portion and are separated from each other. The guide members are slidably fitted to upper and lower guided surfaces of the guide rail, respectively, and at least the guide member on the side not receiving the load among the pair of guide members is a guide rail of the guide rail. Guided Urging means for urging the guide member is provided, and the urging means is composed of a swinging member that eccentrically supports the pivot of the guide member and a spring member that biases the swinging member. The present invention resides in a hinge device for an automobile sliding door.

[Operation] Then, the guide member of the hinge device is fitted to the guide rail on the slide door side. Each of the pair of guide members is slidably fitted to the guided surface of the guide rail.

One guide member of the pair of guide members is urged to press the guided surface of the guide rail with an appropriate force. The guide rail is pushed by the pushing force of one of the guide members and tries to move in the pushing direction.

Since the guided surface of the guide rail facing the opposite direction to the guided surface and the other guide member are in contact with each other, and the other guide member is fixed to the connecting member, the guide rail is in the pressing direction. Cannot move to.

That is, by the reaction of the pressing force of one guide member, the guided surface facing in the opposite direction is pressed by the other guide member with an appropriate force. The fitting between the pair of guide members and the guided surface of the guide rail is in an appropriate state.

At least the guide member on the side not receiving the load is biased by the biasing means, so that the connecting member slides without rattling.
The biasing means eccentrically supports the pivot of the guide member by the swinging member, and the force in which the elastic force of the spring member is amplified receives the load, so that the guide member that receives a large load is biased. However, it can fully bear the load and withstand it.

When the guided surface of the guide rail is worn by frequently opening and closing the sliding door, a gap is created between the guide member and the guided surface of the sliding door. Then, the spring member of the biasing means causes the swinging member to swing, and since it is eccentric, a force in which the elastic force is amplified is applied to the guide member. One of the guide members projects by an urging force to eliminate the gap and presses the guided surface of the guide rail with an appropriate force. The fitting state is properly maintained as described above.

Also, when one guide member is set so as to fit tightly on the guided surface of the guide rail, one guide member retracts against the biasing force and the guided surface of the guide rail is applied with an appropriate force. Press. The proper fitting state can be maintained.

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

Each drawing shows an embodiment of the present invention.

As shown in FIGS. 2 and 3, the door opening of the vehicle body 10
A hinge device 30 is provided on the rear side of 11. A guide rail 22 is horizontally attached to the inner surface 21 of the sliding door 20.

The hinge device 30 is configured as a quadrilateral link. Each link member of the hinge device 30 is a substrate 31 fixed to the rear side of the door opening 11 of the vehicle body 10, and a pair of swing link members that are coupled to the substrate 31 and swing while maintaining a substantially parallel state to each other. 32,33
And a connecting member 34 for connecting the rocking link members 32, 33 that are integral with each other.
It consists of and.

As shown in FIGS. 1 and 3 to 6, a hinge device
A pair of guide members are provided on the connecting member 34 of 30 so as to be vertically separated from each other.

The upper guide member is provided with bearings 35, 35 that are horizontally spaced apart from each other so that the connecting member 34 can rotate. The bearings 35, 35 are respectively the guided surface 23 of the guide rail 22.
Is rotatably fitted to.

The lower guide member is composed of two resin rollers 36, 36 horizontally separated from each other and rotatably provided to the connecting member 34 via a biasing means 40. The rollers 36, 36 are rotatably fitted to the guided surface 23a of the guide rail 22, respectively.

The slide door 20 is supported by the bearing 35 and the roller 36 so as to be movable in the surface direction of the slide door 20 and slidable in the horizontal direction.

As can be seen from FIGS. 4 and 5, a biasing means 40 is provided between the connecting member 34 and the guide rail 22.

As shown in FIGS. 1 and 4, the urging means 40 urges the rollers 36, 36 disposed on the left and right, respectively, and has the same configuration on the left and right. The configuration on the right and the configuration on the left are symmetrical. Hereinafter, the configuration on the right side of FIG. 1 will be mainly described, and this description will be replaced with the description of the configuration on the left side.

The urging means 40 includes a base member 41 provided in the horizontal direction along the guide rail 22, a support pin 42 for supporting the base member 41 on the connecting member 34, and a roller pivotally attached to the connecting member 34 so as to be swingable. The swing member 43 pushes the guide surface 36a of the guide rail 22 against the guide surface 22, and the spring member 44 biases the swing member 43 to press the guide surface 23a of the guide rail 22.

As can be seen from FIG. 5 and FIG. 6, the pivot pin 45, which is the swing center of the swing member 43, includes the connecting member 34 and the base member 41.
It is rotatably supported by and. The base member 41 rotatably supports the roller 36 between the swing member 43 and the base member 41.

As shown in FIGS. 1 and 4, the rotary shaft 45 of the roller 36
The center of a and the center of the swing shaft 45b of the swing member 43 are set eccentric.

The base end of the rocking member 43 is fixed to the rocking shaft 45b of the pivot pin 45.

The spring member 44 is wound around the support pin 42 and
44a is locked to the base member 41, and the other end 44b is connected to the swing end 43a of the swing member 43.

That is, the urging means 40, by the urging force of the spring member 44,
The swinging member 43 swings counterclockwise in FIG. 1, the pivot pin 45 rotates counterclockwise, and the roller 36 as a whole swings around the swing shaft 45.
The roller 36 is configured to swing counterclockwise around b and press the roller 36 against the guided surface 23a of the guide rail 22.

A cam mechanism (not shown) is provided on the substrate 31 of the hinge device 30. The cam mechanism is configured so that the quadrilateral link of the hinge device 30 is folded and stretched. As a result, the sliding door 20 is
It moves on a predetermined locus without interfering with 10.

Front end 22a and rear end 2 of the guide rail 22 of the sliding door 20
Contact members 24 and 25 are fixed to the 2b. Interference members 24a and 25a are fixed to the contact surfaces of the contact members 24 and 25, respectively. A spring member 26 for closing the door is fastened to the front end 22a of the guide rail 22 together with the contact member 24.

Next, the operation will be described.

In FIGS. 1, 4 and 5, the bearing 35 and the roller 36, which are a pair of guide members, are slidably fitted to the guided surfaces 23, 23a of the guide rail 22 on the slide door 20 side, respectively. ing.

Due to the urging force of the spring member 44 of the urging means 40, the swinging member 43 receives the rotational force in the counterclockwise direction in FIG.

Due to the rotational force, the pivot pin 45 receives a counterclockwise turning force about the swing shaft 45b. The entire roller 36 is a swing axis
It receives rotational force counterclockwise around 45b.

The roller 36 is displaced downward in FIG. 1 by the eccentric action of the swing shaft 45b and the rotary shaft 45a in response to the turning power.
The roller 36 connects the guided surface 23a of the guide rail 22 to the spring member 44.
It is pressed downward with an appropriate force that has amplified the elastic force of. Due to the downward pressing force, the guide rail 22 is pressed and tries to move downward.

Since the guided surface 23 of the guide rail 22 and the bearing 35 are in contact with each other and the bearing 35 is fixed to the connecting member 34, the guide rail 22 cannot move downward.

That is, by the reaction of the downward pressing force of the roller 36,
The guided surface 23 of the guide rail 22 is pressed by the bearing 35 with an appropriate force. The fitting between the bearing 35 and the guided surface 23 of the guide rail 22 and the fitting between the roller 36 and the guided surface member 23a of the guide rail are in proper states. The sliding door 20 has a good open / close operability.

When the guided surfaces 23, 23a of the guide rail 22 are worn by frequently opening and closing the slide door 20, the biasing means 40 wears the guided surfaces 23, 23a and creates a gap with the guide rail 23. The roller 36 is displaced downward by an amount. roller
Since the guide 36 presses the guided surface 23a of the guide rail 22 with an appropriate force, an appropriate fitted state can be maintained. The slide door 20 maintains a good open / close operability.

In addition, the bearing 35 and the roller 36 are the guide rail 2 respectively.
When it is set so as to be firmly fitted to the two guided surfaces 23, 23a, the roller 36 is displaced so as to retract upward in FIG. 1 against the biasing force of the biasing means 40. Guide rail
The guided surface 23a of 22 is pressed with an appropriate force. A proper fitting state can be maintained. There is no loss of operability when opening and closing the slide door 20.

Next, the operation of the hinge device 30 mounted on the vehicle body 10 will be described.

2 and 3, the swing link members 32, 33 of the hinge device 30 are raised and the quadrilateral links are in a stretched state.

The swing link members 32 and 33 of the hinge device 30 do not rotate due to a stopper member (not shown). The quadrilateral link of the hinge device 30 is not folded to the opposite side (back of the vehicle body). The slide door 20 is held at a predetermined distance from the vehicle body 10 side, moves in the plane direction of the slide door 20 and horizontally (rearward of the vehicle body).

The spring member 26 for preventing the sliding door 0 from closing is a hinge device.
The connecting member 34 of 30 comes into contact with the engaging portion 34a. Sliding door 2
When the slide door 20 is further moved to the rear of the vehicle body against the urging force of the spring closing spring member 26 of 0, the slide door 20
The door closing spring member (26) bends so as to sink, restores and engages with the engaging portion (34a), and presses the slide door (20) so that it cannot move forward. At the same time, the interference member 24a of the contact member 24 of the slide door 20 contacts the connecting member 34 of the hinge device 30.

The sliding door 20 is restrained so that it cannot move back and forth. Due to the biasing force of the spring member 26 for preventing the sliding door 20 from closing, the sliding door 20 does not rattle in the open state.

Next, the slide door 20 is closed. The sliding door 20 moves to the front of the vehicle body. During this time, the quadrilateral link of the hinge device 30 maintains the stretched state.

While the sliding door 20 moves to the front of the vehicle, the bearing
When the engagement between the roller 36 and the guided surface 23, 23a of the guide rail 22 is loose, the roller 36 is an urging means.
It is pushed downward by the urging force of 40. This allows
The sliding door 20 closes without rattling.

On the contrary, when the fitting between the bearing 35, the roller 36 and the guided surfaces 23, 23a of the guide rail 22 becomes hard, the roller 36 sinks upward against the urging force of the urging means 40. As a result, the sliding door 20 can be smoothly closed by slightly increasing the sliding resistance.

When the sliding door 20 moves to a predetermined position, the hinge device 30
The cam mechanism (not shown) works to restrain the slide door 20 from moving forward and backward, and the quadrilateral link of the hinge device 30 is folded forward. The slow-moving link members 32 and 33 rotate, and the sliding door 20 closes the door opening 11 of the vehicle body 10.
At the same time, the sliding door is locked by a locking device (not shown).
20 is kept closed.

The slide door 20 is unlocked by an operation member (not shown). When the sliding door 20 is opened, the quadrilateral link of the folded hinge device 30 is stretched. The loose link members 32, 33 rotate and rise up. The connecting member 34 of the hinge device 30 gradually moves without changing its posture when folded. The sliding door 20 gradually separates from the door opening 11 of the vehicle body 10.

Further, when the sliding door 20 is closed, the quadrilateral link is further stretched. The swing link members 32 and 33 rotate respectively. When the slide door 20 rotates to a predetermined position, the cam mechanism (not shown) of the hinge device 30 prevents the slide door 20 from rotating, and at the same time, the slide door 20 can move back and forth. Sliding door 20
Moves to the rear of the vehicle body and enters the state shown in FIGS. 2 and 3.

While moving the sliding door 20 to the rear of the vehicle,
Even when the engagement between the rollers 36 and the guided surfaces 23, 23a of the guide rail 22 becomes loose or hard, the roller 36 is appropriately pushed or sunk by the biasing means 40 (first The sliding door 20 opens smoothly because it is displaced in the vertical direction in the figure).

Hinge device 30 for an automobile sliding door according to the above embodiment
In the above, since the bearing 35 and the roller 36 roll to support the slide door 20 slidably, the movement of the slide door becomes very smooth.

Further, since the guide rail 22 receives the self-weight of the slide door 20 by the bearing 35 via the guided surface 23, it is possible to improve the surface pressure and durability, and to receive the relative surface pressure at the opposite position. Since the non-made resin roller 36 is used, the cost can be reduced.

Since the urging means 40 has a simple structure in which the roller 36 is oscillatably oscillated at a position eccentric from the center of rotation thereof, the urging means 40 can sufficiently withstand vibrations such as when the sliding door 20 is opened and closed. , Can be configured compactly.

In the above embodiment, the urging means is provided only on one side which does not receive the load, but it goes without saying that the same urging means may be provided on both sides.

[Advantages of the Invention] According to the hinge device for a sliding door for an automobile of the present invention, one of the pair of guide members is urged so as to be pressed against the guided surface of the guide rail, so that the guide member and the guide rail are fitted together. The fitting is always appropriate, the opening / closing operability of the slide door can be improved, and the simple structure makes it possible to make the device compact and reduce the manufacturing cost.

[Brief description of drawings]

1 to 3 show an embodiment of the present invention.
5 is a sectional view taken along the line I--I of FIG. 5, FIG. 2 is a state in which the sliding door is mounted on the vehicle body, FIG. 3 is an overall perspective view of a hinge device and a guide rail, and FIG. FIG. 5 is an enlarged side view of the same, FIG. 5 is an enlarged side view of the same, and FIG. 10 …… Car body, 11 …… Door opening 20 …… Sliding door, 22 …… Guide rail 23,23a …… Guided surface 30 …… Hinge device, 31 …… Substrate 32,33 …… Swing link member 34 ...... Coupling member, 35 …… Bearing (guide member) 36 …… Roller (guide member) 40 …… Biasing means (means for urging the guide member)

Claims (1)

[Claims] 1. A slide door for an automobile, which is provided on one side of a vehicle body door opening, is fitted to a guide rail on the slide door side, and supports the slide door so as to be movable in its surface direction and capable of sliding open / close in a substantially horizontal direction. In the hinge device, a quadrilateral link is constituted by a substrate fixed to a vehicle body, a pair of swing link members swingably connected to the substrate, and a connecting member connecting the pair of swing link members. Then, a pair of upper and lower guide members that are paired with each other are provided on the connecting member so as to be spaced apart from each other, and the pair of guide members slide on the guided surfaces facing each other above and below the guide rail. Urging means for movably fitting and urging at least the guide member on the side not receiving the load among the pair of guide members so as to be able to press against the guided surface of the guide rail. Eccentric to the pivot of the guide member A swing member for supporting the hinge apparatus for an automobile sliding door, characterized in that are constituted by a spring member for urging the swing member.