JP7272297B2 - Vehicle door opening device - Google Patents

Description

The present invention relates to a vehicle door opening device for unlocking a door from inside the vehicle.

Patent Document 1 discloses a door lock unit that can lock the door by engaging the door with the vehicle body with the door closed, and an electric device that can unlock the door by electrically operating the latch by pressing a door open switch. A vehicle door opening device is disclosed that includes a latch drive mechanism and a mechanical latch drive mechanism that can unlock the door by mechanically operating the latch by operating an emergency inside handle. Further, it is described that the emergency inside handle may be provided at an inconspicuous suitable position on the door body.

Japanese Patent Application Laid-Open No. 2007-182740

However, if the emergency inside handle is placed in an inconspicuous position away from the door opening switch, such as next to the seat on the floor or near the door pocket, the door opening switch may be pressed due to a failure of the door opening switch or a dead battery. There is a possibility that the occupant may not be aware of the presence of the emergency inside handle when the door is not unlocked even when the door is unlocked.

In view of the above, the present invention provides a door lock release lever that mechanically activates a latch when the door is not unlocked by pressing a door unlock switch that electrically activates the latch. To provide a device capable of unlocking a door by operating a door unlocking lever.

A vehicle door opening device according to the present invention includes a door lock device that can lock a door by engaging a vehicle body with a latch while the door is closed, and electrically operating the latch by pressing a door unlock switch. and a mechanical latch driving mechanism capable of unlocking the door by mechanically operating the latch by operating a door unlocking lever. In the door opening device, the door unlock switch is arranged at a position adjacent to the tip of the door unlock lever, and the surface of the door unlock switch has a portion adjacent to the tip of the door unlock lever. A concave portion is formed, and the front end portion of the door lock release lever has a serration shape in which vertically extending chevron teeth are formed. A concave portion or a protrusion projecting inward in the vehicle width direction is formed rearward of the rotation shaft of the door lock release lever.

In the present invention, the door unlock switch is arranged at a position adjacent to the tip of the door unlock lever, and the surface of the door unlock switch is formed with a concave portion adjacent to the tip of the door unlock lever. Therefore, when the door is not unlocked by pressing the door unlock switch that electrically operates the latch, the occupant is reminded to put his or her finger in the concave portion of the door unlock switch. When a finger is put into the recess of the door lock release lever 4, the finger touches the tip of the door lock release lever 4, and the occupant notices the presence of the door lock release lever. Thus, the occupant who recognizes the presence of the door unlock lever can hook the tip of the door unlock lever and pull it to rotate the door unlock lever, thereby unlocking the door.

Fig. 2 is a perspective view showing a door unlock switch and a door unlock lever of the door opening device of the first embodiment; It is a perspective view of the mechanical latch driving mechanism of the door opening device of the first embodiment. It is a top view of an armrest. FIG. 2 is a cross-sectional view taken along the line AA in FIG. 1; It is a top view of the door lock release lever of the door opening device of 1st Embodiment. It is a top view of the door unlocking lever of the door opening device of 2nd Embodiment.

<First embodiment>
Hereinafter, the vehicle door opening device 10 of the first embodiment will be described with reference to the drawings. An arrow FR, an arrow UP, and an arrow RH shown in the drawings described below indicate the forward direction (moving direction), upward direction, and rightward direction of the vehicle, respectively. The opposite directions of the arrows FR, UP, and RH indicate the rearward direction, downward direction, and leftward direction of the vehicle, respectively. In the following description, when simply using front-rear, left-right, and up-down directions, front-rear in the vehicle front-rear direction, left and right in the vehicle left-right direction (vehicle width direction), and up and down in the vehicle vertical direction will be indicated, unless otherwise specified. do.

As shown in FIG. 1, an armrest 2 is provided inside a door 1 for getting in and out of the driver's seat of a vehicle in which a vehicle door opening device 10 is mounted. An arm can be placed on the upper surface 21 . A hole 22 recessed downward is formed in an upper surface 21 of the armrest 2, and an occupant can use the armrest 2 as a pull handle by inserting his hand into the hole 22 when closing the door 1. - 特許庁An inside handle base 24 is provided on a side surface 23 of the armrest 2 on the inside in the vehicle width direction, and a groove 25 recessed outward in the vehicle width direction is formed on the surface of the inside handle base 24 . The vehicle door opening device 10 includes a door unlock switch 3 and a door unlock lever 4 , and the door unlock switch 3 and door unlock lever 4 are arranged inside a groove 25 of an inside handle base 24 .

The vehicle door opening device 10 includes a door lock device (not shown) that can be locked by a latch engaging the door 1 with the vehicle body while the door 1 is closed. The door lock device includes a striker fixed to the vehicle body and a latch rotatably attached to the door 1 side. When the door 1 is closed, the latch engages the striker and the latch engages with the striker, whereby the door lock device can lock the door 1 so as not to open. The lock device also includes an open lever, and when the open lever operates, the latch can be rotated to disengage the latch and the striker.

The vehicle door opening device 10 serves as an electric latch drive mechanism that can unlock the door 1 by electrically operating the latch when the door unlock switch 3 is pressed. A motor (not shown) can operate an open lever. Prepare. When the vehicle occupant presses the door lock release switch 3, the motor operates the open lever, and the open lever rotates the latch from the position where the striker is engaged to the position where the striker is not engaged, so that the door 1 is unlocked. be released. When the door 1 is unlocked in this way, the door 1 opens slightly due to the force of the weatherstrip elastically deformed between the door 1 and the vehicle body when the door 1 is closed to restore its shape. A passenger can get out of the vehicle by pushing the door 1 open. However, the vehicle is equipped with a sensor that detects the rotation of the wheels. When the vehicle is running, the motor does not operate even if the door unlock switch 3 is pressed, and the door 1 is unlocked. you can't.

As shown in FIG. 2 , the vehicle door opening device 10 includes a mechanical latch driving mechanism 5 that can unlock the door 1 by mechanically operating the latch by operating the door unlocking lever 4 . A mechanical latch drive mechanism 5 is housed inside the door 1 and the armrest 2 . The mechanical latch drive mechanism 5 comprises a first cable 51 , a bell crank link 52 , a bell crank case 53 and a second cable 54 . The bell crank case 53 is fixed to the door 1, and the bell crank link 52 is attached to the bell crank case 53 so as to be rotatable about a shaft 55 as a rotation axis. As will be described later, the door lock release lever 4 is attached to the inside handle base 24 so as to be rotatable about a vertically extending shaft 41 as a rotation axis. The first cable 51 has one end connected to the rear end of the door lock release lever 4 and the other end connected to the bell crank link 52 . The second cable 54 has one end connected to the bell crank link 52 and the other end connected to an open lever of a locking device (not shown).

Since the first cable 51 and the second cable 54 are connected in this manner, when the occupant pulls the front end portion 44 of the door unlock lever 4 inward in the vehicle width direction to rotate the door unlock lever 4, the door unlock lever 4 is rotated. The first cable 51 is pulled to rotate the bell crank link 52, and the rotation of the bell crank link 52 pulls the second cable 54 to operate the open lever. Then, when the bell crank link 52 rotates and reaches the position indicated by the two-dot chain line in FIG. 2, the open lever rotates the latch of the locking device, and the door 1 is unlocked. When the door 1 is unlocked in this way, the door 1 opens slightly due to the force of the weatherstrip elastically deformed between the door 1 and the vehicle body when the door 1 is closed to restore its shape. A passenger can get out of the vehicle by pushing the door 1 open.

A vehicle occupant normally presses a door unlock switch 3 when unlocking the door 1 and opening the door 1 . However, if the doors 1 cannot be unlocked by pressing the door unlock switch 3 due to factors such as malfunction of the door unlock switch 3, dead battery, flooding of the vehicle, etc., the occupant pushes the door unlock lever 4. The lock of the door 1 is released by operating it. The vehicle door opening device 10 includes a door unlocking lever 4 as a separate system independent of an electric latch drive mechanism that can unlock the door 1 by electrically operating the latch when the door unlocking switch 3 is pressed. Since the mechanical latch drive mechanism 5 that can unlock the door 1 by mechanically operating the latch is provided by operation, when the door 1 cannot be unlocked by pressing the door unlock switch 3, the occupant cannot open the door. The unlocking lever 4 can be operated to unlock the door 1. - 特許庁

FIG. 3 is a top view of the armrest 2, showing the door unlock lever 4 hidden behind the armrest 2 as viewed from above by being housed inside a groove 25 formed on the surface of the inside handle base 24. , and the door lock release lever 4 in a state of being slightly rotated from the position indicated by the dashed line is indicated by the two-dot chain line. A two-dot chain line shows the finger 6 inserted into the recess 31 of the door unlock switch 3 and the tip thereof touching the front end 44 of the door unlock lever 4 .

As shown in FIGS. 1 and 3, the door lock release switch 3 is arranged inside a groove 25 formed on the surface of the inside handle base 24, and even when it is not pressed at all, the door lock release switch 3 is entirely inside the groove 25. and does not protrude inward in the vehicle width direction from the side surface 23 of the armrest 2.例文帳に追加Since the door unlock switch 3 does not protrude inward in the vehicle width direction from the side surface 23 of the armrest 2, the occupant may accidentally press the door unlock switch 3 even though he/she has no intention of unlocking the door 1. Unlocking the door 1 by touching can be suppressed.

FIG. 4 is a cross-sectional view taken along the line AA in FIG. 1, showing the arrangement of the door unlock switch 3 and the door unlock lever 4 inside the groove 25 formed in the surface of the inside handle base 24. FIG. . In FIG. 4, the solid line shows the door unlock lever 4 in a state of being housed inside the groove 25, and the two-dot chain line shows the door unlock lever 4 in a state where it is slightly rotated from the position indicated by the solid line. there is As shown in FIG. 4, the door lock release lever 4 has a substantially flat side surface 42 on the inner side in the vehicle width direction, and is rotatably attached to the inside handle base 24 about a vertically extending shaft 41 as a rotation axis. there is A torsion spring 43 is provided below the door lock release lever 4 . One end of the torsion spring 43 abuts on the inside handle base 24 to fix its position, and the other end abuts on the door unlocking lever 4 and rotates together with the door unlocking lever 4 as it rotates.

A torsion spring 43 exerts a force to rotate the door lock release lever 4 clockwise when viewed from above, which is rotatably attached to the inside handle base 24 about the shaft 41 as a rotation axis. However, since the inside handle base 24 is provided with a stopper 26, the rear end portion of the door lock release lever 4 abuts against the stopper 26 unless an external force such as pushing or pulling by the passenger is applied. Stop at the position indicated by the solid line. In this state where the rear end of the door unlock lever 4 abuts against the stopper 26 and stops, the side surface 42 of the door unlock lever 4 is substantially parallel to the side surface 23 of the armrest 2 as shown in FIG. The entire door lock release lever 4 is housed inside the groove portion 25 . Then, when the occupant pulls the front end portion 44 of the door lock release lever 4 inward in the vehicle width direction, or pushes the portion of the side surface 42 behind the shaft 41 as shown by the arrow B in FIG. The door lock release lever 4 rotates counterclockwise as viewed from above against the restoring force of the spring 43 .

As shown in FIGS. 1, 3 and 4, the door unlock switch 3 is arranged adjacent to the front end 44 of the door unlock lever 4. As shown in FIGS. A concave portion 31 is formed on the surface of the door lock release switch 3 at a portion adjacent to the front end portion 44 of the door lock release lever 4 so as to be recessed outward in the vehicle width direction. Therefore, when the door 1 cannot be unlocked even if the door unlock switch 3 is pressed, the occupant is reminded to insert the finger 6 into the concave portion 31 as shown in FIG. When the occupant puts the finger 6 into the recess 31, the finger 6 contacts the front end portion 44 of the door unlock lever 4, and the occupant recognizes that the door unlock lever 4 is a lever to be operated by putting the finger 6 thereon. Let At this time, the door lock release lever 4 moves slightly, so that the occupant notices that the door lock release lever 4 is a rotatable lever.

Thus, the occupant, recognizing that the door unlock lever 4 is a rotatable lever that can be operated by putting the finger 6 thereon, puts the finger 6 on the front end portion 44 of the door unlock lever 4 and moves inward in the vehicle width direction. pull towards. When the occupant turns the door lock release lever 4 to the position indicated by the two-dot chain line in FIG. The occupant can see arrows pointing inwards.

Then, the occupant, seeing the display of the letters "OPEN" and the arrow, pulls the front end portion 44 of the door unlocking lever 4 protruding into the passenger compartment and further rotates the door unlocking lever 4, thereby opening the door 1. Recognize that you can unlock it. Therefore, the occupant can pull the front end portion 44 of the door unlocking lever 4 to further rotate the door unlocking lever 4 to unlock the door 1 .

Further, when the door 1 is not unlocked by pressing the door unlock switch 3, even if the occupant does not put the finger 6 into the concave portion 31 and pull the front end portion 44 of the door unlock lever 4, the door will be locked. If the occupant repeatedly pushes the door lock release lever 4 adjacent to the release switch 3 and presses the side surface 42 of the door lock release lever 4 behind the shaft 41 as indicated by the arrow B in FIG. As indicated by the two-dot chain line in FIG. 4, the front portion of the door lock release lever 4 protrudes from the side surface 23 of the armrest 2 into the passenger compartment.

Then, as shown in FIG. 3, the passenger can see the letters "OPEN" and the arrow displayed on the upper surface of the door lock release lever 4 protruding into the passenger compartment. When the passenger sees the display of the characters "OPEN" and the arrow, the door 1 is locked by pulling the front end 44 of the door unlocking lever 4 projected into the passenger compartment and further rotating the door unlocking lever 4. Recognize that you can remove Therefore, the occupant can pull the front end portion 44 of the door unlocking lever 4 projecting into the passenger compartment to rotate the door unlocking lever 4 to unlock the door 1 .

Next , the vehicle door opening device 10 of the first embodiment will be described with reference to FIG .

FIG. 5 is a top view of the door lock release lever 4 in a stopped state without an external force such as being pushed or pulled by an occupant. As shown in FIG. 5 , the front end portion 44 of the door lock release lever 4 has a serration shape in which vertically extending chevron teeth are formed at regular intervals. A side surface 42 of the door lock release lever 4 is formed with a concave portion 45 recessed outward in the vehicle width direction behind the shaft 41 .

Since the front end portion 44 of the door unlock lever 4 has a serrated shape that has a non-slip effect , the occupant puts his/her finger 6 into the concave portion 31 of the door unlock switch 3 and touches the front end portion 44 of the door unlock lever 4 . makes the occupant recognize that the door lock release lever 4 is a lever to be operated by putting a finger 6 thereon. Thus, the occupant, recognizing that the door unlock lever 4 is operated by placing the finger 6 thereon, puts the finger 6 on the front end portion 44 of the door unlock lever 4 and pulls it inward in the vehicle width direction. The door 1 can be unlocked by rotating the door unlock lever 4 .

Further, since the side surface 42 of the door unlocking lever 4 is formed with a recess 45, when the door 1 is not unlocked even if the door unlocking switch 3 is pressed, the door adjacent to the door unlocking switch 3 is prevented from being unlocked. The occupant is guided to press the concave portion 45 of the unlocking lever 4 . When the occupant presses the recessed portion 45 of the door unlocking lever 4 , the front portion of the door unlocking lever 4 moves from the side surface 23 of the armrest 2 into the vehicle interior, as in the vehicle door opening device 10 of the first embodiment. jump out to

Then, an occupant who sees the door unlocking lever 4 protruding into the passenger compartment recognizes that the door unlocking lever 4 is a lever to be operated by putting a finger 6 thereon. Thus, the occupant, recognizing that the door unlock lever 4 is operated by placing the finger 6 thereon, puts the finger 6 on the front end portion 44 of the door unlock lever 4 and pulls it inward in the vehicle width direction. The door 1 can be unlocked by rotating the door unlock lever 4 .

< Second embodiment>
Next, a vehicle door opening device according to a second embodiment will be described with reference to FIG. The vehicle door opening device of the second embodiment differs from the vehicle door opening device 10 of the first embodiment only in the shape of the door unlock lever 4b. , and other parts are denoted by the same reference numerals and descriptions thereof are omitted.

FIG. 6 is a top view of the door lock release lever 4b in a stopped state with no external force applied by an occupant, such as pushing or pulling. As shown in FIG. 6, the front end portion 44b of the door lock release lever 4b of the vehicle door opening device of the second embodiment has a chevron shape extending in the vertical direction, as in the vehicle door opening device of the first embodiment. It has a serration shape in which teeth are formed at equal intervals. On the side surface 42b of the door lock release lever 4b, a protrusion 46 projecting inward in the vehicle width direction is formed behind the shaft 41, unlike the vehicle door opening device 10 of the first embodiment. there is

Since the front end portion 44b of the door unlocking lever 4b has a serration shape that has a non-slip effect, the occupant can press the concave portion 31 of the door unlocking switch 3 as in the vehicle door opening device 10 of the first embodiment. The occupant recognizes that the door lock release lever 4b is a lever to be operated by placing the finger 6 thereon when touching the front end portion 44b of the door lock release lever 4b. Thus, the occupant, recognizing that the door unlock lever 4b is a lever to be operated by placing the finger 6 thereon, puts the finger 6 on the front end portion 44b of the door unlock lever 4b and pulls it inward in the vehicle width direction. The door 1 can be unlocked by rotating the door unlock lever 4b.

In addition, since a projection 46 is formed on the side surface 42b of the door unlock lever 4b, when the door 1 is not unlocked even when the door unlock switch 3 is pressed, the occupant can press the projection of the door unlock lever 4b. You will be prompted to press 46. When the occupant pushes the protrusion 46 of the door unlock lever 4b, the front portion of the door unlock lever 4b is moved from the side surface 23 of the armrest 2 to the interior of the vehicle, as in the vehicle door opening device 10 of the first embodiment. jump out to

Then, an occupant who sees the door unlock lever 4b protruding into the passenger compartment pulls the front end portion 44b of the door unlock lever 4b protruding into the passenger compartment and further rotates the door unlock lever 4b to open the door 1. recognize that you can unlock the Therefore, the passenger can pull the front end portion 44b of the door lock release lever 4b protruded into the passenger compartment to rotate the door lock release lever 4b, thereby unlocking the door 1. As shown in FIG.

<Supplement to the embodiment>
The vehicle door opening device of the present disclosure is not limited to the form described above, and can be implemented in various forms within the scope of the gist of the present disclosure. For example, the door unlock switch and the door unlock lever may be provided on the upper surface of the armrest, the inner side surface of the door, or other locations other than the side surface of the armrest.

Reference Signs List 1 door 2 armrest 3 door unlock switch 4, 4a, 4b door unlock lever 5 mechanical latch drive mechanism 6 finger 10 vehicle door opening device 21 upper surface 22 hole 23, 42, 42a , 42b side surface, 24 inside handle base, 25 groove, 26 stopper, 31, 45 recess, 41, 55 shaft, 43 torsion spring, 44, 44a, 44b front end, 46 projection, 51 first cable, 52 bell crank link, 53 bell crankcase, 54 second cable.

Claims (1)

a door lock device capable of locking the door by engaging the door with the vehicle body with the latch in a closed state;
an electric latch driving mechanism capable of unlocking the door by electrically operating the latch by pressing a door unlock switch;
A vehicle door opening device comprising: a mechanical latch driving mechanism capable of unlocking the door by mechanically operating the latch by operating a door unlocking lever,
The door unlock switch is arranged at a position adjacent to the tip of the door unlock lever,
A concave portion is formed on the surface of the door unlock switch at a portion adjacent to the tip of the door unlock lever ,
The front end of the door lock release lever has a serration shape in which chevron teeth extending in the vertical direction are formed,
A recess recessed toward the outside in the vehicle width direction or a projection projecting toward the inside in the vehicle width direction is formed on the side surface of the door lock release lever behind the rotation axis of the door lock release lever. A vehicle door opening device characterized by:

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