JP2018066226A - Door opening/closing device for vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a door opening/closing device of simple constitution which can be easily installed in a vehicle.SOLUTION: A door opening/closing device for a vehicle provided in the present invention comprises an opening/closing rod body 4, a rod guide 5, a base plate 6, a release lever 7, an expansion body 8, and a motor part 9 as an expansion body driving device. The opening/closing rod body 4 comprises an end part in a door 4a arranged inside the door and a vehicle main body connection part 4b protruding from a door 1 and rotatably connected to a column. The opening/closing rod body 4 also opens/closes the door 1 by moving relatively in the entering/leaving direction with respect to the door 1. The opening/closing rod body 4 also includes a first rod 11 and a second rod 12 rotatably connected to the first rod 11. The end part in a door 4a is installed in the first rod 11.SELECTED DRAWING: Figure 6

Description

  The present invention relates to a vehicle door opening / closing device used in, for example, an automobile of a type that automatically opens and closes a door of a rear seat by an operation from a driver's seat.

  In a conventional automobile rear door opening and closing device, a crank rod is arranged along the width direction of the vehicle from the driver's seat to the lower part of the passenger seat. An operation lever for rotating the crank rod is attached to the end of the crank rod on the driver seat side. Further, the passenger seat side end of the crank rod is connected to a hook for opening and closing the rear door via an arm rod and a connecting rod (see, for example, Patent Document 1).

Japanese Utility Model Publication No. 6-28626

  In the conventional opening / closing device as described above, since it is necessary to arrange a large mechanical transmission mechanism between the driver's seat and the rear door, installation work is troublesome if it is added to an existing automobile. Also, depending on the vehicle model, the installation itself may be difficult.

  The present invention has been made to solve the above-described problems, and an object of the present invention is to provide a vehicle door opening / closing device that can be easily installed in a vehicle with a simple configuration.

  A vehicle door opening and closing device according to the present invention includes a door inner end disposed in a door, and a vehicle main body connecting portion that protrudes from the door and is rotatably connected to the vehicle main body. Opening / closing rod body that opens and closes the door by moving in the direction of entering and exiting, provided at the doorway of the opening / closing rod body of the door, a rod guide that guides the movement of the opening / closing rod body, and rotates within a predetermined range within the door The release lever that is provided so as to release the holding state of the door catch that holds the door in the fully closed position, the rod connecting portion that is connected to the inner end of the door, and the lever connecting portion that is connected to the releasing lever And can be extended and contracted so that the distance between the rod connecting portion and the lever connecting portion changes, and the distance between the rod connecting portion and the lever connecting portion increases, The release lever is rotated in the direction to release the holding state, and includes an expansion / contraction body that projects the opening / closing rod body from the door, and an expansion / contraction body drive device that expands / contracts the expansion / contraction body. And a second rod rotatably connected to the first rod and provided with a vehicle main body connecting portion.

  The vehicle door opening and closing device of the present invention can be easily installed in a vehicle with a simple configuration.

It is a top view which shows the state at the time of door full closure of the vehicle door opening / closing apparatus by Embodiment 1 of this invention. It is a top view which shows the state at the time of the door full open of the vehicle door opening / closing apparatus of FIG. It is a top view which shows the rod guide of FIG. It is the front view which looked at the rod guide of FIG. 3 along arrow IV. It is a perspective view which shows the rod guide of FIG. It is a perspective view which shows the vehicle door opening / closing apparatus of FIG. It is sectional drawing which cut | disconnected the vehicle door opening / closing apparatus of FIG. 6 by the surface parallel to a YZ surface. It is sectional drawing which cut | disconnected the vehicle door opening / closing apparatus of FIG. 6 by the surface parallel to XY plane. It is sectional drawing which shows the state at the time of the door full open of the vehicle door opening / closing apparatus of FIG. It is a front view which shows the base board of FIG.

Hereinafter, embodiments for carrying out the present invention will be described with reference to the drawings.
Embodiment 1 FIG.
FIG. 1 is a plan view showing a state of a vehicle door opening / closing device according to Embodiment 1 of the present invention when the door is fully closed, and FIG. 2 is a plan view showing a state of the vehicle door opening / closing device of FIG. 1 and 2 show a vehicle door opening and closing device by cutting the vehicle door substantially horizontally.

  The vehicle door opening and closing device according to the first embodiment is mounted in the door 1 of the rear seat of the automobile. The door 1 is rotatably connected to a column 3 of the vehicle body via a pair of upper and lower hinge portions 2 (only one of the upper and lower portions is shown). Moreover, the door 1 has the inner side board 1a located in the vehicle inside, and the outer side board 1b located in the vehicle outer side. The vehicle door opening and closing device is accommodated in a space between the inner plate 1a and the outer plate 1b.

  The vehicle door opening / closing device includes an opening / closing rod body 4, a rod guide 5, a base plate 6, a release lever 7, a telescopic body 8, and a motor unit 9 as a telescopic body driving device.

  The opening / closing rod body 4 has a door inner end 4 a disposed in the door 1 and a vehicle body connecting portion 4 b that protrudes from the door 1 and is rotatably connected to the column 3. The open / close rod body 4 opens and closes the door 1 by moving relative to the door 1 in the direction of entering and exiting. That is, the opening / closing rod body 4 opens and closes the door 1 by pushing and pulling the column 3 at a position offset with respect to the rotation center of the door 1.

  Further, the opening / closing rod body 4 includes a first rod 11 and a second rod 12 that is rotatably connected to the first rod 11. The first rod 11 is provided with a door inner end 4a. That is, the end of the first rod 11 opposite to the second rod 12 is the door inner end 4a.

  The second rod 12 is provided with a vehicle main body connecting portion 4b. That is, the end of the second rod 12 on the opposite side to the first rod 11 is the vehicle body connecting portion 4b. The rotation axis of the second rod 12 with respect to the first rod 11 and the rotation axis of the second rod 12 with respect to the column 3 are parallel to each other and are vertical or substantially vertical.

  The shape of the first rod 11 is a linear shape. The shape of the second rod 12 is a “<” shape that is slightly bent at an obtuse angle so that the central portion of the straight line is convex toward the vehicle outer side (lower side in FIG. 1).

  The rod guide 5 is provided at the doorway of the opening / closing rod body 4 of the door 1. The rod guide 5 is made of a resin having excellent wear resistance, and guides the movement of the opening / closing rod body 4.

  3 is a plan view showing the rod guide 5 of FIG. 1, FIG. 4 is a front view of the rod guide 5 of FIG. 3 as viewed along an arrow IV, and FIG. 5 is a perspective view of the rod guide 5 of FIG.

  The rod guide 5 includes a flat guide portion 5a, and a flat bending prevention portion 5b protruding from the end of the guide portion 5a on the vehicle inner side opposite to the vehicle body connecting portion 4b, that is, to the inside of the door 1. The first protrusion 5c projecting from the end of the guide portion 5a toward the opposite side to the bending prevention portion 5b, and the end of the guide portion 5a toward the opposite side of the bending prevention portion 5b. It has the 2nd protrusion part 5d which protrudes.

  In the center of the guide portion 5a, a rod hole 5e through which the open / close rod body 4 passes is provided. Fixing holes 5f and 5g through which a pair of screws for fixing the rod guide 5 to the door 1 are provided above and below the rod hole 5e of the guide portion 5a.

  The bending preventing portion 5b is adjacent to the inside of the opening / closing rod body 4 and contacts the opening / closing rod body 4 when the opening / closing rod body 4 is pushed out of the door 1, and the first rod 11 and the second rod The bent portion 4c, which is a connecting portion with the vehicle 12, is prevented from being bent in a direction that is convex toward the inside of the vehicle.

  The horizontal cross-sectional shape at the tip of the first protrusion 5c is a right triangle. The horizontal cross-sectional shape of the second protrusion 5d is a rectangle. The first and second protrusions 5c and 5d are formed continuously in the vertical direction. Thus, a groove 5h continuous in the vertical direction is formed between the first and second protrusions 5c and 5d.

  Returning to FIGS. 1 and 2, the first rod 11 is provided with a stopper portion 11 a that restricts the movement of the opening / closing rod body 4 in the direction of coming out of the door 1 by hitting the guide portion 5 a.

  The base plate 6 is fixed to the surface of the inner plate 1a that faces the outer plate 1b. The release lever 7 is attached to the base plate 6 so as to be rotatable within a predetermined range. Moreover, the release lever 7 cancels | releases the holding state of the door catch (not shown) which hold | maintains the door 1 in a fully closed position by rotating.

  The stretchable body 8 is connected between the door inner end 4 a and the release lever 7. The stretchable body 8 can be stretched between the state of FIG. 1 and the state of FIG. The motor unit 9 is provided on the stretchable body 8 and stretches the stretchable body 8. The vehicle door opening and closing device is supported by the door 1 at two locations, a base plate 6 and a rod guide 5.

  6 is a perspective view showing the vehicle door opening / closing device of FIG. 1, FIG. 7 is a sectional view of the vehicle door opening / closing device of FIG. 6 cut along a plane parallel to the YZ plane, and FIG. 8 is a vehicle door opening / closing device of FIG. 9 is a cross-sectional view of the device cut along a plane parallel to the XY plane, and FIG. 9 is a cross-sectional view showing a state of the vehicle door opening / closing device of FIG.

  The stretchable body 8 has a rod connecting portion 8 a connected to the door inner end 4 a and a lever connecting portion 8 b connected to the release lever 7. The stretchable body 8 can be stretched so that the distance between the rod connecting portion 8a and the lever connecting portion 8b changes.

  Furthermore, the telescopic body 8 rotates the release lever 7 in a direction (counterclockwise direction in FIG. 6) for releasing the holding state of the door catch by increasing the distance between the rod connecting portion 8a and the lever connecting portion 8b. The opening / closing rod body 4 is protruded from the door 1.

  The telescopic body 8 is a cylindrical rack guide 13 that is a guide member, a rack 14 that is guided by the rack guide 13 and reciprocates linearly, and projects from the rack guide 13 to the release lever 7 side. And a cylindrical extension portion 15.

  The rod connecting portion 8a is an end portion of the rack 14 on the opening / closing rod body 4 side. The lever connecting portion 8b is provided at the end portion of the extension portion 15 on the side opposite to the rack guide 13.

  The motor unit 9 is attached to the rack guide 13. The motor unit 9 includes a motor main body 16 that is an electric motor, a speed reduction unit 17, and a pinion 18 that meshes with the rack 14.

  The motor main body 16 is supplied with electric power from a vehicle-mounted battery. The motor body 16 is driven by an operation from the driver's seat. Further, when the door 1 is manually opened and closed, the movement of the opening and closing rod body 4 is transmitted to the motor unit 9 side to rotate the pinion 18.

  The base plate 6 is fixed to the inner plate 1a with a pair of screws. The shape of the release lever 7 is a “<” shape in which the center of the straight line is bent at an obtuse angle. The release lever 7 has an intermediate portion 7a that is rotatably connected to the base plate 6, a first end portion 7b, and a second end portion 7c.

  A connecting portion 6a is formed on the base plate 6 by bending its end at a right angle. A tension spring 19 is provided between the first end 7b and the connecting portion 6a. The tension spring 19 gives the release lever 7 a force for rotating it clockwise in FIG.

  An operation wire 20 for operating the door catch is connected to the first end 7b. An end of a wire tube 21 that surrounds the operation wire 20 is connected to the connection portion 6a.

  The lever connecting portion 8 b is rotatably connected to the second end portion 7 c via the connecting shaft 22. In this example, a bolt is used as the connecting shaft 22.

  FIG. 10 is a front view showing the base plate 6 of FIG. A recess 6b that restricts the rotation of the release lever 7 to a predetermined range, a shaft hole 6c through which the rotation shaft of the release lever 7 passes, and a screw for fixing the base plate 6 to the inner plate 1a are passed through the base plate 6. A pair of fixing holes 6d and 6e are provided.

  The end of the connecting shaft 22, that is, the head of the bolt is inserted into the recess 6b. When the head of the bolt hits the edge of the recess 6b, the rotation range of the release lever 7 is limited.

  Next, the operation will be described. When the door 1 is opened, the motor unit 9 is driven in a direction in which the distance between the rod connecting portion 8a of the extendable body 8 and the lever connecting portion 8b is increased. At this time, since the door 1 is held in the fully closed position by the door catch, the opening / closing rod body 4 cannot be pushed out of the door 1 immediately.

  For this reason, the rack 14 does not move, and the rack guide 13 moves along the rack 14 in a direction away from the rod connecting portion 8a. At this time, the extension 15 also moves with the rack guide 13 and rotates the release lever 7 against the tension spring 19. Thereby, the holding state of the door 1 by a door catch is cancelled | released.

  Thereafter, when the motor unit 9 is continuously driven in the same direction, the rack 14 is pushed out from the rack guide 13 and the opening / closing rod body 4 is pushed out from the door 1 so that the door 1 is opened. The release lever 7 is returned to the original position by the restoring force of the tension spring 19 after the door catch is operated.

  When the door 1 is closed, the motor unit 9 is driven in a direction in which the distance between the rod connecting portion 8a of the extendable body 8 and the lever connecting portion 8b is reduced. Accordingly, the opening / closing rod body 4 and the rack 14 are moved from the position of FIG. 9 to the position of FIG. 8, and the door 1 is closed. When the door 1 moves to the fully closed position, the door 1 is held by the door catch.

  In such a vehicle door opening / closing device, the expansion / contraction body 8 is expanded / contracted by the motor unit 9 in the door 1, and the opening / closing rod body 4 is relatively moved into and out of the door 1 to open / close the door 1. Moreover, when extending | stretching the expansion-contraction body 8, the cancellation | release lever 7 is rotated and the holding state of a door catch is cancelled | released. For this reason, it is not necessary to arrange a large-scale mechanical transmission mechanism between the driver's seat and the door 1, the configuration is compact, and installation in the vehicle can be facilitated. Moreover, the removal from a vehicle can also be performed easily.

  Further, since the opening / closing rod body 4 in which the first and second rods 11 and 12 are connected is used, the bending portion 4c is bent without enlarging the doorway of the opening / closing rod body 4 of the door 1. The distance of the action point can be kept constant, and the opening / closing rod body 4 can be smoothly put in and out of the door 1. Thereby, the installation in a vehicle can be made still easier. Moreover, the enlargement of the motor unit 9 can be prevented.

  Furthermore, since the rod guide 5 is provided with the bending preventing portion 5b, the opening / closing rod body 4 can be smoothly inserted into and removed from the door 1 even when the opening / closing rod body 4 in which the first and second rods 11 and 12 are connected is used. Can do.

  Furthermore, since the second rod 12 having a bent central portion is used, the second rod 12 can be smoothly put in and out of the door 1.

  In addition, the vehicle door opening and closing device can be easily installed in many types of vehicles simply by changing the length of the parts.

  Further, the single motor unit 9 can continuously release the holding of the door 1 by the door catch and the opening operation of the door 1 (one motor two action), and the configuration can be made compact.

  Furthermore, since the opening / closing rod body 4 is used as a member for opening and closing the door 1, it can be prevented from being bent even if a compressive load is applied when the door 1 is opened with a simple configuration.

  Further, when retrofitting a vehicle door opening / closing device, the rod guide 5 can be easily attached to the door 1 by using a screw to which a guide component of an existing opening / closing rod is attached. In particular, since the bending preventing portion 5b is formed integrally with the guide portion 5a, the rod guide 5 can be attached to the door 1 more easily.

  Further, when the door 1 is manually opened / closed, the movement of the opening / closing rod body 4 is transmitted to the motor unit 9 side so that the pinion 18 is rotated. Therefore, even if the power source is lost, the door 1 Can be manually opened and closed, and confinement can be prevented.

  Furthermore, since the motor unit 9 is used as the telescopic drive device, the door 1 can be opened and closed regardless of whether the engine is running.

  Further, when the door 1 is opened and closed using the negative pressure of the engine, a large cylinder is required because the pressure is small. However, when the motor unit 9 is used, a force necessary to open and close the door 1 is easily obtained. be able to. In particular, by decelerating the output of the motor body 16 and transmitting it to the pinion 18, a force sufficient to open and close the door 1 can be obtained by the compact motor body 16, and the door 1 can be easily opened and closed even on a slope. be able to.

  Furthermore, since the pinion 18 is provided on the output shaft of the motor unit 9 and the rack 14 is used as the movable member, the telescopic body 8 can be easily expanded and contracted with a simple configuration.

In the above example, the rod connecting portion 8a is provided in the rack 14 and the lever connecting portion 8b is provided in the extension portion 15. However, the reverse may be possible.
The stretchable body is not limited to the combination of the guide member and the rack. For example, an air cylinder or a hydraulic cylinder may be used. For this reason, an expansion-contraction body drive device is not limited to a motor part, For example, a pneumatic control apparatus or a hydraulic control apparatus etc. may be sufficient. Further, for example, the expansion / contraction body may be expanded and contracted by a linear motor.
Furthermore, you may comprise a guide part and a bending | flexion prevention part by a separate member, respectively.
Furthermore, the first rod and the rack may be integrally formed.
In the above example, the release lever 7 protrudes upward from the base plate 6, but may protrude downward depending on the space in the door 1. In this case, the configuration of the base plate 6 and the like may be symmetrical with respect to the embodiment.
Further, the application object of the present invention is not limited to the door of the rear seat of the automobile, but can be applied to any vehicle door that is opened and closed by rotation.

  DESCRIPTION OF SYMBOLS 1 Door, 4 Opening / closing rod body, 4a Door inner end part, 4b Vehicle body connection part, 4c Bending part, 5 Rod guide, 5a Guide part, 5b Bending prevention part, 5e Rod hole, 7 Release lever, 8 Telescopic body, 8a Rod connecting part, 8b Lever connecting part, 9 Motor part (expandable body drive device), 11 First rod, 12 Second rod, 13 Rack guide (guide member), 14 Rack (movable member), 16 Motor body, 18 pinions.

Claims (5)

It has a door inner end disposed inside the door, and a vehicle main body connecting portion that protrudes from the door and is rotatably connected to the vehicle main body, and moves in the direction of entering and exiting the door. An open / close rod body for opening and closing the door by
A rod guide that is provided at the doorway of the opening / closing rod body of the door and guides the movement of the opening / closing rod body;
A release lever that is provided in the door so as to be rotatable within a predetermined range, and that releases the holding state of the door catch that holds the door in the fully closed position,
A rod connecting portion connected to the inner end of the door, and a lever connecting portion connected to the release lever, and the distance between the rod connecting portion and the lever connecting portion changes. When the distance between the rod connecting portion and the lever connecting portion is increased, the release lever is rotated in a direction to release the holding state of the door catch, and the opening / closing rod body is moved from the door. A telescopic body that protrudes, and a telescopic body drive device that expands and contracts the telescopic body,
The opening / closing rod body is rotatably connected to the first rod provided with the door inner end portion and the first rod, and is provided with the vehicle body connecting portion. A vehicle door opening and closing device having a rod. The rod guide is
A guide portion provided with a rod hole through which the opening and closing rod body passes;
The guide portion protrudes from the vehicle inner end to the opposite side of the vehicle body connecting portion, and when the opening / closing rod body is pushed out of the door, the first rod and the second rod The vehicle door opening and closing device according to claim 1, further comprising: a bending prevention portion that prevents the bending portion that is the connecting portion from bending in a direction that protrudes toward the vehicle interior side. The shape of the first rod is a straight line,
3. The vehicle door opening and closing device according to claim 1, wherein the shape of the second rod is a shape in which a straight center portion is bent at an obtuse angle so as to protrude outwardly from the vehicle. The stretchable body has a guide member and a movable member movable along the guide member,
4. The vehicle according to claim 1, wherein the telescopic drive device is a motor unit that is provided on the guide member and moves the movable member relative to the guide member. 5. Door opener. The motor unit includes a pinion and a motor body that rotates the pinion.
The vehicle door opening and closing device according to claim 4, wherein the movable member is a rack that meshes with the pinion.

Images