JP3452453B2 - Car - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle equipped with a sliding door that slides in the front-rear direction of a vehicle body to open and close a door opening formed in the vehicle body.

[0002]

2. Description of the Related Art Vehicles of the above type are, for example,
It is well known in the art as disclosed in Japanese Patent No. 37620. In this type of vehicle, when the door occupies the closed position, the door is locked with respect to the vehicle body. Therefore, a first door lock device is provided at an intermediate position in the vertical direction of the front part of the door
The lock device and the first striker fixed to the vehicle body are engaged with each other, and the second door lock device is provided at a vertical intermediate position on the rear part of the door, and the lock device is engaged with the second striker fixed to the vehicle body. I am letting you. The door can be brought to the open position by unlocking the first and second door lock devices by the lock releasing device and sliding the door toward the rear side or the front side of the vehicle body.

As described above, the door can be locked in its closed position by providing the first and second door lock devices and the first and second strikers engaging with them. If the door occupying the closed position is configured to be supported by the two door lock devices provided at the intermediate position in the vertical direction of the vehicle and the striker that engages them, the door can be firmly held to the vehicle body. As a result, the sealing function between the door and the vehicle body deteriorates. Further, in some cases, the door may vibrate to generate an abnormal noise and a wind noise may be generated when the automobile is running.

In order to prevent the above-mentioned inconvenience, in addition to the first and second door lock devices, a third door lock device is provided on the door, and this door is engaged with a striker fixed to the vehicle body, and the door is locked. Should be firmly held on the vehicle body by the three door lock devices. However, providing a large number of door lock devices in this way inevitably increases the cost of the vehicle and increases its weight.

[0005]

The present invention has been made based on the above recognition, and its purpose is to:
It is an object of the present invention to provide a vehicle having a sliding door, which can suppress an increase in cost and an increase in weight and can firmly hold the door with respect to the vehicle body when the door is closed. .

[0006]

In order to achieve the above-mentioned object, the present invention provides a vehicle body for partitioning a vehicle interior, an inner panel located inside the vehicle interior, and an inner panel fixed to the inner panel. Also moves between a door having an outer panel located outside the vehicle compartment, a closed position where the door closes a door opening formed in the vehicle body, and an open position on the vehicle body rear side or front side of the closed position. As described above, a door opening / closing device for guiding the door, and a front portion of the door, which is provided at an intermediate position in the vertical direction of the door, and when the door occupies the closed position,
A first door locking device that engages a first striker fixed to the vehicle body to lock the door with respect to the vehicle body; and a rear portion of the door, which is provided at an intermediate position in the vertical direction of the door,
A second door locking device that engages a second striker fixed to the vehicle body when the door occupies the closed position and locks the door with respect to the vehicle body;
And a lock release device for releasing the lock of the second door lock device, and when the door occupies the closed position,
In the automobile supported by the first and second door lock devices and the first and second strikers with respect to the vehicle body, the door is the first position when the door is in the closed position.
And a vehicle holding means for holding a door portion below a line connecting the second door lock device to the vehicle body.

At this time, the door holding means is provided in the vehicle body portion facing the door portion below the line connecting the first and second door lock devices with the door closed, and the door is in the closed position. Advantageously, it comprises a stopper which, in a certain state, presses against the door part and regulates the position of the door.

Further, the door holding means includes the first and second door holding means.
Advantageously, the stopper is provided in a door portion below a line connecting the door lock devices, and in a state where the door is in a closed position, presses against a vehicle body portion facing the door portion to regulate the position of the door. Is.

Further, the door holding means is rotatably supported at a door portion below a line connecting the third striker fixed to the vehicle body and the first and second door lock devices,
A latch that engages with the third striker to restrict the position of the door when the door occupies the closed position, and that disengages from the third striker according to the movement of the door when the door is opened. This is advantageous.

[0010]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described in detail below with reference to the drawings.

FIG. 1 is a side view showing a front portion of a truck which is an example of an automobile. The automobile shown here is a vehicle body (cab) 2 mounted on a chassis frame 1 and this vehicle body 2 will be described later. Thus, the vehicle body 2 has a compartment defined inside.

The door 3 has a door main body portion 6 which constitutes a substantially lower half thereof and a window frame portion 7 which constitutes a substantially upper half thereof, and a window glass 8 is arranged in the window frame portion 7. As shown in FIGS. 2 to 6, the door 3 is fixed to the inner panel 4 located on the vehicle interior I side and fixed to the panel 4, and is located on the vehicle exterior O side with respect to the inner panel 4. The outer panel 5 is provided, and the panels 4 and 5 form a door body 6 and a window frame 7.

FIG. 3 is an enlarged sectional view taken along line III-III in FIG.
1 is an enlarged sectional view taken along line IV-IV of FIG. 1, FIG. 5 is an enlarged sectional view taken along line VV of FIG. 1, and FIG. 6 is a sectional view taken along line VI-VI of FIG. When the door 3 is in the closed position for closing the door opening 10 formed in the vehicle body 2, the weather strips 24, 25 made of an elastic material such as rubber attached to the vehicle body portion along the door opening 10 are attached to the door 3. The interior of the vehicle interior I is sealed by pressure contact with the vicinity of the peripheral portion.

The reference numeral 26 in FIGS. 1 and 3 indicates
A quarter pillar forming a part of the vehicle body 2, a reference numeral 27 in FIGS. 1, 4 and 6 also forms a front pillar forming a part of the vehicle body 2, and a reference numeral 28 in FIG. 5 forms a floor surface of the passenger compartment I. Each floor panel is shown. Reference numeral 29 in FIGS. 1 and 4 is a windshield located in the front portion of the vehicle compartment.

The door 3 has a closed position for closing a door opening 10 formed in the vehicle body 3 as shown by a solid line in FIG. 1 and a vehicle body rearward of the closed position as shown by a chain double-dashed line in FIG. It can be moved to and from the side open position. The door 3 may be configured to be moved to the open position on the front side of the vehicle body with respect to the closed position. The door 3 is guided between a closed position and an open position by a door opening / closing device described below. The wording “front” or “rear” used in the present specification refers to the forward direction of the vehicle as the front and the opposite direction as the rear, and the direction indicated by the symbol F in the drawing is the forward direction of the vehicle.

2 (a), (b), and (c) are plan explanatory views schematically showing the door opening / closing device 11, and the device 11 includes a base bracket 12 fixed to the vehicle body 2.
Two arms 13 and 14 whose base ends are pivotally attached to the base bracket 12, sliders 15 which are pivotally attached to the tip ends of these arms 13 and 14, and the slider 15 is slid in the front-rear direction of the vehicle body 2. Guide rail 16 for movably supporting
And the guide rail 16 has an inner panel 4 of the door 3.
It is fixed to. The base bracket 12, the two arms 13 and 14, and the slider 15 constitute a parallel link mechanism.

As shown in FIG. 1, an outside handle 1 pivotally attached to an outer panel 5 is rotatably attached to a door 3.
7 and an inside handle (not shown) pivotally attached to the inner panel 4 and located inside the vehicle compartment. FIG. 2A shows a state in which the door 3 occupies the closed position, and in this state, an occupant outside the passenger's cabin places his hand on the outside handle 17, or an occupant inside the passenger's cabin places his hand on the inside handle. When the door 3 is hung up and the door 3 is pulled toward the rear side of the vehicle body, the two arms 13 and 14 rotate around their base ends as shown in FIG. Take an almost orthogonal posture and are locked here.
By this operation, the door 3 moves together with the slider 15 into the vehicle body 2
With respect to the outer side in the width direction and on the rear side (open position side)
Turn to. When the operator pulls the door 3 further rearward,
The guide rail 16 fixed to the door 3 moves to the rear side with respect to the slider 15, whereby the door 3 slides rearward. In this way, the door 3 is brought to the open position shown in FIG. The door 3 can be brought to the closed position by the reverse operation. Also arm 13,
The door 14 may be moved to the front side of the vehicle body by bringing the operating directions of the slider 14 and the slider 15 opposite to each other in the vehicle body front-rear direction and bring the door to the open position. The door opening / closing device 11 shown in FIG. 2 is known per se, and is described in detail in, for example, Japanese Utility Model Publication No. 2-37620.

As mentioned above, the illustrated vehicle has the door 3
A door opening / closing device that guides the door 3 so that the vehicle moves between a closed position that closes the door opening 10 formed in the vehicle body 2 and an open position on the vehicle body rear side (or front side) of the closed position. Have 11.

By the way, when the door 3 is closed as shown by the solid line in FIG. 1, it is necessary to lock the door 3 in its closed position. For this purpose, the vehicle shown in FIG.
A first door lock device 18 provided at the front part of the door 3 in the vertical direction intermediate position, and a second door provided at the rear part of the door 3 in the vertical direction intermediate position of the door 3. It has a lock device 19. These door lock devices 18 and 19 are the same as the door lock devices generally used in the past as a lock device for locking the door pivotally supported on the vehicle body so that the door can be pivotally opened and closed. As also shown, it has bases 20 and 21 fixed to the inner panel 4 of the door 3 and a latch (not shown) pivotally supported by the bases. When the door 3 occupies the closed position, the first door lock device 18 has a substantially U-shaped first striker 22 whose latch is fixed to the vehicle body 2.
To lock the door 3 with respect to the vehicle body 2. Similarly, when the door 3 occupies the closed position, the second door lock device 19 also has a second striker 23 (the latch of which is fixed to the vehicle body 2). (See FIG. 3) to lock the door 3 with respect to the vehicle body 2. The inner panel 4 of the door 3 is formed with a not-shown notch so that the strikers 22 and 23 can be engaged with the latches of the door lock devices 18 and 19, and the strikers 22 and 23 are closed when the door 3 is closed. Rush into the notch. These door lock devices 18, 19 are
For example, it is a well-known one which is disclosed in Japanese Patent Publication No. 5-42555 and is widely used in general. Therefore, further description will be omitted.

When the door 3 is opened, the outside handle 17 or the inside handle is rotated and the movement is transmitted to the door lock devices 18 and 19 via the transmission device (see FIG. 10). , The latch is rotated to remove the latch from the strikers 22 and 23, and the door 3 may be pulled backward as described above. When the door 3 is returned to the closed position, the latches of the door lock devices 18 and 19 are automatically engaged with the strikers 22 and 23, respectively, and the door 3 is locked. As described above, in this example, the outside handle 17, the inside handle, and the transmission release the lock release device that releases the locks of the first and second door lock devices 18 and 19 when the door 3 should be opened. Constitute. This unlocking device is provided on the door 3. This device is also well known in the art, and the vehicle shown in FIG. 1 has such an unlocking device.

The structure of the automobile described above is conventionally known. At that time, when the door 3 occupies the closed position, the door 3 is supported with respect to the vehicle body 2 by the first and second door lock devices 18, 19 and the first and second strikers 22, 23. However, if the door 3 is mainly supported by the vehicle body 2 at only two points, the door 3 is
As shown in FIG. 3, the door lock devices 18, 19 tend to fluctuate around the line L connecting them, which reduces the sealing property in the vehicle interior or causes the door to move extremely when the vehicle is running, as will be described below. It may vibrate slightly and generate wind noise.

When the door 3 occupies the closed position, the vicinity of its peripheral portion is pressed against the weather strips 24 and 25 mounted along the door opening 10 of the vehicle body 2 as described above, and the interior of the vehicle interior I is sealed. Is configured to obtain. At that time, as described above, the door 3 occupying the closed position is mainly attached to the vehicle body 2 by the first and second door lock devices 18, 1.
Assuming that the window frame 7 on the upper side of the door 3 has a lower rigidity than the door body 6 on the lower side, the window frame 7 is less elastic than the weather strips 24, 25. It is pushed out to the outside O side. For this reason, the pressure contact force between the window frame portion 7 and the weather strips 24, 25 is weakened, the sealing function at this portion is deteriorated, and rain water or wind may enter the vehicle interior I side through this portion. Also, when the vehicle is running, a line L connecting both door lock devices 18 and 19
There is a possibility that the door 3 vibrates around and generates an abnormal noise, or the window frame portion 7 is sucked toward the outside O of the vehicle compartment, which causes a wind noise.

The number of door lock devices is increased so that the number of doors 3 is three.
If the vehicle body 2 is supported at more than one place, the door 3 can be attached to the vehicle body 2.
It can be firmly held against, and the occurrence of the above-mentioned problems can be prevented, but the door lock device has a high cost,
Inevitably, the cost of automobiles increases significantly and the weight of automobiles increases.

Therefore, in the automobile of this example, the first and second door lock devices 18 and 1 with the door 3 in the closed position.
Door holding means for holding the door portion below the line L connecting 9 to the vehicle body 2 is provided. In the illustrated example, the door holding means is the stopper 3 as shown in FIG.
It is composed of 0s. This stopper 30 is shown in FIG.
As also shown in FIG. 3, it is formed into a columnar shape made of an elastic material such as rubber, and a spiral thread groove 31 is formed on the outer peripheral surface thereof. With the door 3 closed as shown in FIG.
The stopper mounting hole 3 is formed in the vehicle body portion (floor panel 28 in this example) facing the door portion 3a below the line L connecting the first and second door lock devices 18 and 19 shown in FIG.
2 is formed, and the stopper 30 is screwed and fixed in the mounting hole 32. When the door 3 is in the closed position, the stopper 30 attached to the vehicle body 2 has the above-mentioned door portion 3
The door portion 3a is pressed against a and is pressed in a direction to push the door portion 3a to the outside of the vehicle compartment. As a result, the window frame portion 7 of the door 3 is, as shown in FIG.
25 is pressed against the side of the weather strip 24,
Press 25 with proper pressure. Thus, with the door 3 in the closed position, the first and second door lock devices 18,
The door portion 3a below the line L connecting 19 can be held with respect to the vehicle body 2 by the stopper 30, and the position of the door 3 can be regulated. This can prevent the sealing function between the window frame 7 and the weather strips 24, 25 from being hindered, and moreover, the door 3 vibrates around the line L or the window frame part when the vehicle is running. The problem that 7 is sucked out of the vehicle can be prevented. Further, the stopper 30 has an extremely simple structure as compared with the door lock device,
The cost and weight can be kept low.

The stopper 30 has a thread groove 3 on the outer periphery thereof.
1 is screwed into the vehicle body 2 and its stopper 3
By turning 0, the amount by which the stopper 30 projects in the width direction of the vehicle body can be adjusted. Therefore, the door 3
The position of the door 3 in the closed position can be correctly regulated by adjusting the protrusion amount of the stopper 30 according to the installed state of the door.

In the example shown in FIG. 5, the stopper 30 constituting the door holding means is provided with the first and second door lock devices 1.
It is provided on the vehicle body portion facing the door portion 3a below the line L connecting 8 and 19, and when the door 3 is in the closed position, its stopper 30 presses against the door portion 3a to regulate the position of the door 3. However, the stopper 30 may be provided on the side of the door 3 as shown in FIG. That is, the door holding means is constituted by the stopper 30 shown in FIG. 7, and the stopper 30 is more than the line L (FIG. 1) connecting the first and second door lock devices 18, 19 as shown in FIG. The stopper 30 is provided on the lower door portion 3a, and when the door 3 is in the closed position, the stopper 30 is pressed against the vehicle body portion facing the door portion 3a to regulate the position of the door 3. Also in this case, by rotating the stopper 30, the amount by which the stopper 30 projects from the door portion in the width direction of the vehicle body 3 can be adjusted, and thus the door 3 can be properly held at an appropriate position. .

Further, the door holding means is fixed to the vehicle body 3 by a third striker 33 as shown in FIGS. 1, 6 and 9.
And a latch 34 provided on the door 3 side. The third striker 33 is formed in a substantially U-shape as shown in FIG. 6, and its base end is fixed to the vehicle body 2, in this example, the front pillar 27. Further, as shown in FIG. 9, a base member 35 is fixed to the inner panel 4 of the door 3, and the above-mentioned latch 34 is rotatably supported by the base member 35 via a pin 36.
As can be seen from FIG. 1, the latch 34 is rotatably supported by a door portion below a line L connecting the first and second door lock devices 18 and 19 via a base member 35. . The latch 34 and the base member 35 include a tension spring 3
7, each end of 7 is locked, and this spring 37 causes the latch 3
When the door 4 is urged clockwise in FIG. 9 to open the door 3, the latch 34 occupies the position shown by the chain line in FIG. When the door 3 is closed, the latch 34
The pressurizing portion 34a of the second striker 33 is pressed against the third striker 33. When the door 3 reaches the closed position, the latch 34 rotates to the position shown by the solid line in FIG. 9 against the pulling action of the spring 37, at which time the latch 34 engages with the third striker 33.
Also in this case, a notch (not shown) is formed in the inner panel 4 of the door 3 so that the striker 33 can be engaged with the latch 34, and the striker 33 relatively protrudes into the notch when the door 3 is closed. , Latches 34. Similarly, the base member 35 is also formed with a notch 35a.

As described above, when the door 3 occupies the closed position, the latch 34 engages with the third striker 33 and regulates the position of the door 3. The latch 34 is located below the line L connecting the first and third locking devices 18 and 19, and engages with the third striker 33 fixed to the vehicle body 2 at that position to regulate the position of the door 3. Therefore, the above-mentioned stopper 30
Similarly, the door portion below the line L connecting the first and second door lock devices 18 and 19 is held with respect to the vehicle body 2,
Push the door part out of the passenger compartment. As a result, the window frame portion 7 is attached to the weather strips 24, 2 attached to the vehicle body 2.
It is pressed so as to be pressed to the side of 5, and is pressed against the weather strips 24 and 25 at an appropriate pressure. In addition, it is possible to prevent the door 3 from vibrating around the line L and the window frame portion 7 being sucked out of the vehicle compartment when the vehicle is running.

Further, when the door 3 is opened, at this time, the latch 34 is moved by the third striker 33 according to the movement of the door 3.
And the latch 34 is rotated by the action of the spring 37 to the position shown by the chain line in FIG. In this way, when the door 3 is opened, the latch 34 is automatically disengaged from the third strusca 33. Therefore, it is not necessary to provide a lock releasing device for releasing the engagement between the latch 34 and the striker 33, and the structure can be simplified, and the increase in cost and weight of the vehicle can be suppressed. The latch 34 itself is the same as the latches of the first and second locking devices 18 and 19, but in the configuration shown in FIG.
No means for releasing the engagement of the striker 33 is provided, and the structure is simpler than that of the door lock device and the weight thereof is reduced accordingly.

In the illustrated vehicle, the stopper 30
Although the door holding means composed of the above and the door holding means having the third striker 33 and the latch 34 are both provided, the intended purpose of the present invention can be achieved by providing only one of them.

By the way, in the above-mentioned automobile, the occupant operates the outside handle 17 or the inside handle shown in FIG. 1 to unlock the first and second door lock devices 18, 19 as described above. But
The occupant manually operates the two door lock devices 18,
Since 19 is unlocked, a large operating force is required at this time, and the operability may be reduced. Therefore, in the illustrated example, the operation force can be reduced as follows.

FIG. 10 shows the outside handle 1 described above.
7 shows a transmission link 38 that operates forward as indicated by an arrow, and one end side of pivot links 39, 40 is pivotally attached to the front end portion and the rear end portion of this link 38, respectively. The transmission link 38 and both rotation links 39 and 40 are
It is arranged inside the door body portion 6 (FIG. 1) not shown in FIG. Both pivot links 39, 40 are pivotally supported by the door body 6 via pivot shafts 41, 42, and each pivot link 39, 40 is linked to the other end by a link 43, 40. The first and second door lock devices 18 and 19 shown in FIG. When the outside handle 17 is operated, the transmission link 38 is actuated in the direction of the arrow, and its movement is transmitted to the door lock devices 18 and 19 via the rotation links 39 and 40 and the other links 43 and 44, respectively. The lock is released.

As can be seen from FIG. 10, the distance between the pivotal connection between the transmission link 38 and the rotary links 39, 40 and the pivots 41, 42 pivotally supporting the rotary links 39, 40 is R1. From each of the pivots 41, 42 to each of the other links 4
When the distance to 3,44 is R2, each distance is R
It is set so that 1> R2. For example, R1 /
Set R2 = 2. With this configuration, the occupant can unlock the door lock devices 18 and 19 with a small force as compared with the case where R1 and R2 are set equal. Further, since the force applied to the transmission link 38 is also reduced, the diameter can be reduced and the weight can be reduced. The operation force of the inside handle can be reduced in exactly the same manner.

The present invention is widely applicable to automobiles other than trucks.

[0035]

According to the vehicle of the first to fourth aspects, when the door is closed, it is possible to prevent the sealing function between the door and the vehicle body from being deteriorated, and to enhance the sealing property in the vehicle interior. You can Further, when the vehicle is running, the door can be prevented from vibrating around the line connecting the first and second door lock devices, or the door being sucked out to the outside of the vehicle compartment, and the cost and weight can be increased. Can be blocked. According to the configurations of claims 2 to 4,
The cost of the door holding means can be kept particularly low.

[Brief description of drawings]

FIG. 1 is a front side view of a truck which is an example of an automobile.

FIG. 2 is a plan view schematically showing an example of a door opening / closing device and its operation.

FIG. 3 is an enlarged sectional view taken along line III-III in FIG.

FIG. 4 is an enlarged sectional view taken along line IV-IV of FIG.

5 is an enlarged cross-sectional view taken along line VV of FIG.

6 is an enlarged sectional view taken along line VI-VI of FIG.

FIG. 7 is a perspective view of a stopper.

8 is a sectional view similar to FIG. 5, showing an example in which a stopper is provided on the door side.

9 is a view as seen in the direction of arrow IX in FIG.

FIG. 10 shows the movement of the outside handle for the first and second movements.
It is a schematic plan view which shows the transmission device transmitted to a door lock device.

[Explanation of symbols]

2 car body 3 doors 3a Door part 4 Inner panel 5 Outer panel 10 door opening 11 Door opening / closing device 18 First door lock device 19 Second door lock device 22 1st striker 23 Second striker 30 stopper 33 Third striker 34 Latch I vehicle interior L line Outside the car

─────────────────────────────────────────────────── ─── Continuation of the front page (58) Fields surveyed (Int.Cl. ⁷ , DB name) B60J 5/06

Claims (4)

(57) [Claims] 1. A vehicle body defining a vehicle interior, a door having an inner panel located inside the vehicle interior and an outer panel fixed to the panel and located outside the vehicle interior of the inner panel, A door opening / closing device that guides the door so that the door moves between a closed position that closes a door opening formed in the vehicle body and an open position that is on the vehicle body rear side or front side of the closed position, and a door A first portion that is provided at a front intermediate position in the vertical direction of the door and that locks the door with respect to the vehicle body by engaging a first striker fixed to the vehicle body when the door occupies the closed position. A door lock device and a second part that is provided at a rear portion of the door at an intermediate position in the vertical direction of the door and is fixed to the vehicle body when the door occupies the closed position.
A second door lock device for engaging the striker to lock the door with respect to the vehicle body, and a lock release device for unlocking the first and second door lock devices when the door is to be opened. The door is in the closed position, the door includes the first and second door locking devices and the first door locking device.
And a second striker for supporting the vehicle body with respect to the vehicle body in a state where the door is in a closed position, the door portion below the line connecting the first and second door lock devices is held with respect to the vehicle body. A vehicle provided with a door holding means for controlling. 2. The door holding means is provided in a vehicle body portion facing a door portion below a line connecting the first and second door lock devices with the door closed, and the door is in a closed position. The vehicle according to claim 1, further comprising a stopper that presses against the door portion in a state to regulate the position of the door. 3. The door holding means is provided in a door portion below a line connecting the first and second door lock devices,
The vehicle according to claim 1, further comprising a stopper that presses against a vehicle body portion facing the door portion to regulate the position of the door when the door is in the closed position. 4. The door holding means is rotatably supported by a door portion below a line connecting the third striker fixed to the vehicle body and the first and second door lock devices to close the door. A latch that engages with the third striker to restrict the position of the door when occupied, and disengages from the third striker according to movement of the door when the door is opened. The automobile according to 1.