JP3414290B2 - Electric unlocking device for vehicle door - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electric unlocking device for a vehicle door, and more particularly to an electric unlocking device for a vehicle door that enables a manual unlocking operation in a vehicle assembly process.

[0002]

2. Description of the Related Art In recent years, a vehicle equipped with an electric unlocking device is commercially available because it can unlock a back door of a vehicle with a light touch and is advantageous in reducing the weight of the door.

[0003]

However, in the conventional electric unlocking device, the back door and the like cannot be opened in the state where the electric power supply wiring to the electric motor is not yet made in the vehicle assembling process, which is inconvenient for work. There was a problem that was large.

Therefore, the present invention solves such a problem, and provides an electric unlocking device for a vehicle door, which enables the unlocking of the door manually even when the power supply wiring to the electric motor is not made. The purpose is to

[0005]

In order to achieve the above object, in the first aspect of the present invention, a locking means (4) which engages with a striker (5) provided at a door opening edge of a vehicle to be in a locked state.
1, 42) and an unlocking means (6, 7) that is operated by an electric motor (11) to release the locked state of the locking means (41, 42), When the vehicle passes through the door (D) from the inside of the vehicle to the outside of the vehicle and is pulled in one direction inside or outside the vehicle, it engages with a part of the lock releasing means (7) to forcibly operate it, In the direction, a string-like member (8) of a predetermined length is provided, which can be pulled out freely without engaging with the lock releasing means (7).

According to the first aspect of the present invention, even when the electric power supply wiring to the electric motor is not made in the vehicle assembling process, the lock releasing means is forcibly operated when the string member is pulled from one direction inside or outside the vehicle. The door is unlocked and can be opened. After the power supply wiring to the electric motor is completed, the string-shaped member can be pulled out from the door and removed by pulling the string-shaped member from another direction inside or outside the vehicle.

According to the second aspect of the present invention, the locking means (41, 42) which engages with the striker (5) provided at the door opening edge of the vehicle to be in the locked state and the electric motor (11) actuates and locks. In an electric unlocking device for a vehicle door, comprising unlocking means (6, 7) for canceling the locked state of the means (41, 42), the unlocking means (D11) for unlocking the mounting opening (D11) of the door handle (2). It is provided at a position corresponding to 7) so that the unlocking means (7) can be manually operated from the mounting opening (D11) in a state where the door handle (2) is not attached.

According to the second aspect of the present invention, in a state where the electric power supply wiring to the electric motor is not made in the vehicle assembling process, the lock releasing means is directly operated through the attachment opening of the door handle to release the locked state of the door. be able to.
In this case, the door handle is attached after the power supply wiring to the electric motor is completed.

According to the third aspect of the present invention, the locking means (41, 42) which engages with the striker (5) provided at the door opening edge of the vehicle to be in the locked state and the electric motor (11) actuates and locks. In an electric unlocking device for a vehicle door, which includes lock releasing means (6, 7) for releasing the locked state of the means (41, 42), the lock releasing means (7) is manually operated on the door handle (2). Work hole for (2
5), a lid (24) for closing the working hole (25) is provided, and the lid (24) can be restrained from the inside of the vehicle with the lid (24) closed.

According to the third aspect of the present invention, the lock state of the door can be released by directly operating the lock release means through the work hole in a state where the electric power supply wiring to the electric motor is not made in the vehicle assembly process. After completing the power supply wiring to the electric motor, close the lid to close the work hole,
Moreover, the theft is prevented by restraining the lid from the inside of the vehicle with the lid closed.

According to the fourth aspect of the present invention , lock means (41, 42) provided on a vehicle door and engaged with a striker (5) provided on a door opening edge of the vehicle to be in a locked state, and an electric motor (11). Is activated by the locking means (41, 4
A power supply wiring method for an electric unlocking device comprising a lock releasing means (67) for releasing the locked state of 2).
Then , the electric unlocking device passes through the door (D) from the inside of the vehicle to the outside of the vehicle and is pulled in one direction inside or outside the vehicle to engage with a part of the unlocking means (7) to force it. A string-like member (8) having a predetermined length in a state where it can be freely pulled out without engaging with the lock releasing means (7) by pulling in the other direction inside or outside the vehicle. Every electric motor (1
It is characterized in that the string-like member (8) is pulled out after the power supply wiring to 1). It should be noted that the reference numerals in the parentheses indicate the correspondence with the specific means described in the embodiments described later.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS (First Embodiment) FIG. 1 is a rear perspective view of a vehicle back door provided with an electric unlocking device. In FIG. 1, a door handle 2 is provided in the center of the lower half of the back door D, and an electric unlocking device 1 is provided in the door panel directly below the door handle 2. This will be described in more detail. As shown in FIG. 2, the door handle 2 has a U-shaped concave cross section, and an operation knob 31 is provided through the upper wall 21 of the door handle 2. A horizontally extending operation piece 32 is connected to the base end of the operation knob 31, and the operation knob 32 is integrally swingably supported by a support shaft 33 provided with a coil spring 34 (FIG. 3) at this connection portion. A contact piece 36 of a limit switch 35 provided on the rear surface of the side wall 22 of the door handle 2 is in contact with the lower surface of the tip of the operation piece 32. Therefore, when a hand is inserted into the door handle 2 and the operation knob 31 is pushed up as shown by the arrow in FIG. 2, the operation piece 32 rotates downward and pushes down the contact piece 36, and the unlock signal is output from the limit switch 35. Is emitted.

As shown in FIG. 2, the electric unlocking device 1 is composed of an electric motor 11 and a lock mechanism 12, and is provided so that the lock mechanism 12 is exposed from the lower end surface of the door inner panel D2. Then, when the back door D is closed, the latch 41 of the lock mechanism 12 engages with the leg portion 51 of the U-shaped striker 5 provided on the body B side of the door opening edge and is in the locked state. This will be explained with reference to FIG.
The latch 41 is a substantially circular plate body having a notch 411 in a part thereof, is rotatable around a support shaft 412, and is urged to rotate clockwise in FIG. 4 by a spring (not shown).
In the process of closing the back door D, the striker leg portion 51 that has entered into the notch 122 of the casing 121 of the lock mechanism 12 from below in FIG. 4 also enters the notch 411 of the latch 41 as shown in FIG. Engage with. Adjacent to the latch 41, there is provided a pole 42 that is rotatable about a support shaft 421 and is biased to rotate counterclockwise in FIG. 4 by a spring (not shown).
While engaging with 1, it rotates upward in FIG. 4 so that a part thereof rides over the engaging protrusion 422 of the pole 42, and as a result, the return rotation of the latch 41 is restricted and the latch 41 is locked. Become.

The operating lever 6 is used to release the locked state.
Is provided, and its lower end 61 has a pole 4 as shown in FIG.
It is located close to the second return protrusion 423. In this state, when the lower end 61 of the operating lever 6 moves in the direction of the arrow in FIG. 4, the pawl 42 rotates clockwise in the drawing and the engaging projection 4
22 is retracted to the right in the figure, the latch 41 is returned and rotatable, and the locked state is released.

FIG. 5 is a perspective view of the electric unlocking device 1 as seen from the rear side. The operating lever 6 is provided in an upright posture, and the center thereof is rotatably supported by a support shaft 62. A drive lever 7 is provided substantially parallel to the operation lever 6. The drive lever 7 has its upper end connected to the upper end of the operation lever 6 by a link bar 71, and the lower half 72 is bent horizontally. The drive lever 7 is the upper half 73
The lower end position of is connected to the output shaft 13 of the electric motor 11 and rotated. That is, when the unlock signal is issued from the limit switch 35 of the door handle 2 described above,
A start signal is output from the motor control circuit (not shown) to the electric motor 11 to rotate the drive lever 7 counterclockwise in FIG.
Along with this, the operating lever 6 rotates in the same direction, and the lower end 61 thereof moves in the direction of the arrow in FIG. 4, and the locked state is released.

In the present embodiment, as shown in FIG. 5, a through hole 74 is provided at the tip of the lower half portion 72 of the drive lever 7, and the operation string 8 is passed through the through hole 74.
The operation string 8 is drawn into the back door D from the inside of the vehicle through the opening D21 (see FIG. 2) provided on the side surface of the door inner panel D2, and immediately before the through hole 74 of the drive lever 7, as shown in FIG. A knot 81 larger than the hole 74 is formed,
After that, it passes through the through hole 74 and is pulled out of the back door D through the device mounting opening D22 (see FIG. 2) on the lower end surface of the door inner panel D2. The length of the operation string 8 is set to an appropriate length required to reach the outside of the vehicle from the inside of the vehicle through the back door D.

According to such a structure, when the electric power supply wiring to the electric motor 11 is not yet made in the vehicle assembling process, when the operation string 8 is pulled downward from the outside of the vehicle, the knot 81 is passed through the through hole 74. The drive lever 7 is forcibly rotated counterclockwise in FIG.
Along with this, the operating lever 6 rotates in the same direction, and the lower end 61 thereof moves in the direction of the arrow in FIG. 4, and the locked state is released. After the power supply wiring to the electric motor 11 is made, the unnecessary operation string 8 is pulled from the inside of the vehicle and pulled out of the back door D.

(Second Embodiment) FIG. 7 is a rear perspective view of the electric unlocking device 1 according to the second embodiment. In the present embodiment, as shown in FIG. 7, the tip of the horizontally extending lower half portion 72 of the drive lever 7 is further bent rearward of the vehicle to form an operation portion 75. The other structure of the electric unlocking device 1 is the same as that of the first embodiment. On the other hand, in the present embodiment, the mounting opening D11 (see FIG. 2) of the door outer panel D1 for mounting the door handle 2 has the electric motor 1.
1, the operating portion 75 of the drive lever 7 is located in the mounting opening D11 when the door handle 2 is not mounted, as shown in FIG.

Therefore, when the electric power supply wiring to the electric motor 11 is not yet made in the vehicle mounting process, the drive lever 7 is forcibly moved counterclockwise in FIG. 7 by manually pushing down the operating portion 75 from the outside of the vehicle. The operation lever 6 is rotated in the same direction, and the lower end 61 thereof is moved in the direction of the arrow in FIG. 4 to cancel the locked state. In the present embodiment, the door handle 2 is
It is mounted after the power supply wiring to the electric motor 11 is made.

(Third Embodiment) FIG. 8 shows a rear perspective view of an electric unlocking device and a door handle according to a third embodiment. In this embodiment, as shown in FIG.
The output shaft 13 of the electric motor 11 to which is coupled to the electric motor 11 penetrates the stay 15 of the electric motor 11 and projects rearward, and a linear groove 14 is formed on the end face thereof. The other structure of the electric unlocking device 1 is the same as that of the first embodiment. On the other hand, in the center of the slanting bottom wall 23 of the resin door handle 2 attached immediately after the electric motor 11 (on the front side in the drawing), a lid for cutting the work hole 25 by cutting in a substantially U shape with the lower side left. A body 24 is formed, and the lid body 24 is located so as to face the end surface of the output shaft 13. Further, a convex piece 26 is formed at the center of the upper side of the lid body 24, and a closing hole 261 is formed therein.

When the electric power supply wiring to the electric motor 11 has not been made yet in the vehicle mounting process, the lid 24 is tilted rearward to open the working hole 25 with the lower side as a hinge portion as shown by the chain line in FIG. Then, as shown in FIG. 8, the driver R is inserted into the back door D from the outside of the vehicle through the working hole 25, and the tip thereof is inserted into the linear groove 1 of the electric motor output shaft 13.
4 and the driver R forces the drive lever 7 to rotate counterclockwise in FIG. As a result, the operation lever 6 (see FIG. 5) is rotated and the locked state is released.

After the electric power supply wiring to the electric motor 11 is made, the lid 2 is returned to the original position and the working hole 25 is closed. In this state, the closing hole 261 of the lid body 2 is attached to the stay 1 of the electric motor 11.
5 corresponds to the through-hole 151 provided in 5. Then, when the screw 152 is screwed into the closing hole 261 from the inside of the vehicle through the through hole 151, the lid body 24 is in a closed state in which it cannot be opened.

In each of the above embodiments, the door is not necessarily a back door. In addition, in the first embodiment,
The engagement with the drive lever may occur when the operation string is pulled inward of the vehicle. In this case, the method of forming the large diameter portion that engages with the peripheral edge of the through hole 71 of the drive lever 7 is not limited to the knot 81. In the third embodiment, the drive lever 7 may be directly operated from the work hole 25 without using the driver R, and the lid body 2 may be used.
The restraint of 4 does not necessarily need to be fixed with a screw.

[0024]

As described above, according to the electric unlocking device for a vehicle door of the present invention, the door can be unlocked manually even when the electric power supply wiring to the electric motor is not made. Work efficiency can be realized.

[Brief description of drawings]

FIG. 1 is a rear perspective view of a rear portion of a van type vehicle according to a first embodiment of the present invention.

FIG. 2 is a sectional view taken along line II-II of FIG.

FIG. 3 is a rear perspective view of the door handle.

4 is a cross-sectional view taken along line IV-IV of FIG.

FIG. 5 is a rear perspective view of the electric unlocking device.

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

FIG. 7 is a rear perspective view of the electric unlocking device according to the second embodiment of the present invention.

FIG. 8 is a rear perspective view of the electric unlocking device and the door handle according to the third embodiment of the present invention.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Electric unlocking device, 11 ... Electric motor, 12 ... Lock mechanism, 2 ... Door handle, 24 ... Lid, 25 ... Working hole,
41 ... Latch, 42 ... Pole, 5 ... Striker, 6 ... Operation lever, 7 ... Drive lever, 8 ... Operation string, D ... Back door, D11 ... Mounting opening.

Claims (4)

(57) [Claims] 1. A lock means for engaging a striker provided at a door opening edge of a vehicle to be in a lock state, and a lock releasing means for being operated by an electric motor to release the lock state of the lock means. In an electric unlocking device for a vehicle door, when passing through the door from the inside of the vehicle to the outside of the vehicle and pulling in one direction inside or outside the vehicle, it engages with a part of the lock releasing means to forcefully operate it and Further, an electric unlocking device for a vehicle door, characterized in that a string-shaped member of a predetermined length is provided which is freely pulled out to the other direction outside the vehicle without engaging with the lock releasing means. 2. A lock means for engaging a striker provided at a door opening edge of a vehicle to be in a lock state, and a lock releasing means for being operated by an electric motor to release the lock state of the lock means. In an electric unlocking device for a vehicle door, a door handle mounting opening is provided at a position corresponding to the lock releasing means, and the lock releasing means is manually operated from the mounting opening when the door handle is not attached. An electric unlocking device for a vehicle door, which is operable. 3. A lock means for engaging a striker provided at a door opening edge of a vehicle to be in a lock state, and a lock releasing means for being operated by an electric motor to release the lock state of the lock means. In the vehicle door electric unlock device, the door is locked by the door handle.
In addition to providing a working hole for manually operating the unlocking means from outside the vehicle , providing a lid for closing the working hole, and restraining the lid from the inside of the vehicle with the lid closed. An electric unlocking device for a vehicle door, which is possible. 4. Locking means provided on a vehicle door and engaged with a striker provided at a vehicle door opening edge to be in a locked state, and a lock operated by an electric motor to release the locked state of the locking means. A power supply wiring method for an electric unlocking device, comprising:
The unlocking device can be engaged with a part of the unlocking means by passing through the door from the inside of the vehicle to the outside of the vehicle and being pulled in one direction inside or outside the vehicle to forcibly operate the unlocking means. Or, a string-shaped member having a predetermined length is provided in a state where the string-shaped member can be freely pulled out without engaging with the lock releasing means by pulling it in the other direction outside the vehicle, and after the power supply wiring to the electric motor is performed, the string-shaped member is provided. A power supply wiring method for an electric unlocking device for a vehicle door, characterized in that a member is pulled out.