JPH10299314A - Opening/closing body locking device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make a driving means compact and lightweight by preventing load, impact, and the like acting upon a striker, from being transmitted to the driving means side when an opening/closing body locking device is in a nonoperating state. SOLUTION: This locking device D is provided at a door B, and a striker 6 that can be engaged with the locking device D is mounted on a vehicle body A movably into a stand-by position ready for engagement with the locking device D at the time of the door B reaching a slightly opened position and into a pull-in position ready to hold the door B in a totally closed position in the state of being engaged with the locking device D. In an opening/closing body closing device of such constitution, a fixed member is protrusively provided at the vehicle body A, and the striker 6 is provided with a contact part coming in contact with a first contact face on the pull-in direction side in the fixed member and a second contact face on the opposite side interlockingly with the movement of the striker 6 into the pull-in position and standby position by a driving means.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an opening / closing body such as a door which is openably and closably mounted on a body of an automobile body or a structure of a building, etc., which is moved from a slightly open position to a fully closed position by a driving means. The present invention relates to an opening / closing body closing device adapted to be opened.

[0002]

2. Description of the Related Art In a conventional opening / closing body closing device, a striker engaged with a door lock device provided on a door side is moved in a door opening / closing direction by a cam surface of a cam plate which is rotated by a motor. When the door lock device is engaged with the striker at the slightly open position before the fully closed position where the door is completely closed, the door lock device detects that the door lock device and the striker are engaged, The motor is operated, the cam plate is rotated, the striker is moved in the door closing direction by the cam surface of the cam plate, and the door is forcibly moved from the slightly open position to the fully closed position. (See, for example, Japanese Utility Model Application Laid-Open No. 61-133666).

[0003]

However, in the conventional opening / closing body closing device, not only is the striker directly engaged with the cam plate and the striker is moved by rotation of the cam plate, but also when the cam plate is not rotating. The structure prevents the striker from moving in the door opening and closing direction. Therefore, an impact when the door lock device is engaged with the striker, a sealing reaction force of a seal member provided between the vehicle body and the door when the door is closed, and the like are directly transmitted to the cam plate, the drive shaft, and the like via the striker. Therefore, the strength of the components of the drive means such as the drive shaft must be made unnecessarily large, which causes problems such as an increase in the size of the entire device, an increase in cost, and an increase in weight.

SUMMARY OF THE INVENTION In view of the above problems of the prior art, the present invention makes it possible to reduce the size and weight of the driving means by preventing the load, impact, etc., acting on the striker from being transmitted to the driving means when not in operation. It is an object of the present invention to provide an opening / closing body closing device that can be made into a single unit.

[0005]

According to the present invention, the above-mentioned problem is solved as follows. (1) A lock device is provided on one of the opening / closing body and the main body, which is freely openably and closably mounted on the main body, and a striker capable of engaging with the locking device is provided on the other side. When, a standby position that can be engaged with the lock device;
An opening / closing body provided with a driving means for moving the striker to a standby position and a retracted position while being movably mounted to a retracted position capable of holding the opening / closing body in a fully closed position while being engaged with the locking device. In the closing device of
A fixing member is protruded from the main body or the opening / closing body provided with the striker, and the striker is interlocked with movement of the striker to the retracted position and the standby position by the driving unit,
An abutment member is provided to abut on the first abutment surface on the retraction direction side and the second abutment surface on the opposite side of the fixing member.

(2) In the above item (1), the contact member is
One end is pivotally attached to the striker, and the other end is provided with a contact portion that is in contact with the first contact surface and the second contact surface of the fixing member. Is reciprocally rotated in conjunction with the movement to the retracted position and the standby position.

(3) In the above item (2), the driving means is
It is assumed that the crankshaft has a crankshaft that is rotated forward and backward by a motor, and whose eccentric shaft is fitted in a hole formed in an intermediate portion of the link.

(4) In the above item (3), the hole formed in the intermediate portion of the link is a long hole long in the moving direction of the striker so that the eccentric shaft can slide slightly in this long hole. I do.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described with reference to the drawings. In this embodiment, the present invention is applied to a vehicle, in which (A) shows a body (body) of a one-box type automobile, and (B) moves back and forth in parallel with a side surface of the body (A). In addition, a sliding door (opening / closing body) is mounted on the side surface of the vehicle body (A) so as to open and close so as to slightly move to the outside and the inside of the vehicle body (A) when opening and closing are completed.

[0010] (1) is provided on the front surface of the pillar (2) of the vehicle body (A), and engages with a door lock device (D) provided on the rear end surface of the door (B), so that the door ( B) is a closing device which forcibly moves B) from a slightly opened slightly opened position to a completely closed fully closed position, and can hold the door (B) at the fully closed position.

The closing device (1) comprises a base plate (3) (4) fixed to the front and back surfaces of a front part of a pillar (2) of a vehicle body with bolts (2a), and a substantially center of the base plate (3) (4). The door lock device is protruded toward the front of the vehicle body (A) through a long hole (5) facing left and right formed in the vehicle.
(D) has a meshing portion (6a) engageable with the latch (C), and when the door (B) reaches the slightly opened position, the meshing portion (6a) is latched.
(C) and the engaging portion (6a) is latched.
(C), the base plate can be moved to a retracted position where the door (B) can be held at the fully closed position.
The striker (6) attached to (4) and this striker
A driving means (7) for forcibly moving (6) to the standby position and the retracted position in the left-right direction is provided.

The striker (6) includes a substantially horizontal meshing portion (6a) having a rectangular frame shape in a plan view, a base piece (6b) extending vertically from a base of the meshing portion (6a), and a base (6b). A reinforcing plate (6c) fixed to the rear surface of the piece (6b), and a pair of upper and lower stop pieces (6d) provided at the left and right ends of the reinforcing plate (6c); The four headed pins (8) protruding from the base plate (4) are fitted into the four long holes (9), which are formed in the base plate (4), and extend in the left-right direction and are directed to the base plate (4). When the striker (6) reaches the standby position and the retracted position when the striker (6) reaches the standby position and the retracted position, the stop piece (6d) fitted with the cushioning member (10) such as rubber is attached to the base plate.
The striker (6) comes into contact with the bent edge (4a) formed on the peripheral edge of (4), so that further movement of the striker (6) is prevented.

A link (11) has one end pivotally attached to the rear surface of the reinforcing plate (6c) with a shaft (12) pointing in the front-rear direction. The other end has a pointed hook-shaped downward hook. Contact (11a)
Is formed, and an elongated hole (13) slightly longer in the longitudinal direction, that is, in the left-right direction is formed in the middle portion. This link
(11) forms a part of the driving means (7) and also forms a contact member that contacts a fixing member (20) described later.

The driving means (7) includes, in addition to the link (11),
Forward / reverse rotatable motor (14) installed in pillar (2)
A rotating plate (16) is fixed to the tip of a rotating shaft (15) rotated by the motor (14), and an eccentric portion of the rotating plate (16)
The eccentric shaft (1) that fits into the long hole (13) of the middle part of the link (11)
7) and a protruding crank (18).

A cushioning member is provided on the rear surface of the base plate (4).
A protruding piece-shaped fixing member (20) to which the (19) is fitted is projected. The end face of the fixing member (20) on the side of the retraction direction of the door (B), that is, the left end face in FIG. 2 is in contact with the link (11) when the striker (6) is located at the retraction position. The right edge (11b) of the portion (11a) forms a first abutment surface (20a) with which the right edge (11b) abuts, and the opposite end surface of the fixing member (20) facing the drawing direction, that is, FIG. When the striker (6) is located at the standby position, the right end face of the contact (11a) of the link (11)
Forms a second contact surface (20b) with which the left edge (11c) of the second contact surface abuts. Since FIGS. 7 to 9 show the link (11) viewed from the rear, the left and right are opposite to those of FIG. 2 when the link (11) is viewed from the front.

Next, the operation of this embodiment will be described. FIG. 1 shows a state in which the door (B) is open and the striker (6) is located at the standby position. In this state, as shown in FIG. 9, the left edge (11c) of the contact portion (11a) of the link (11) is in contact with the second contact surface (20b) of the fixing member (20). The abutment prevents the striker (6) from moving in the retraction direction.

In this state, when the door (B) is closed and the door (B) reaches the slightly opened position, the latch (C) of the door lock device (D) is opened.
Meshes with the striker (6) in the standby position, and the door (B)
Is once held in the slightly open position. This door lock device (D)
When the striker (6) meshes with the striker (6), a large load or impact is applied to push the striker (6) toward the retracted position.
Is received by the contact between the left edge (11c) and the second contact surface (20b) of the fixing member (20), and the eccentric shaft (17) and the rotating shaft (15)
Etc. are not transmitted.

When a detection switch (not shown) provided on the door lock device (D) detects that the door lock device (D) is engaged with the striker (6), the motor (14) of the driving means (7) is detected.
Is rotated forward, and the crank (18) is rotated half a clockwise rotation in FIG. 9 about the rotation axis (16).

The link (11) follows the eccentric movement of the eccentric shaft (17), and temporarily moves from the standby position to the contact portion (11a) as shown in FIG.
Is rotated so as to come off above the fixing member (20), thereby enabling the striker (6) to move to the left. Striker (6)
Is forcibly retracted to the retracted position by the link (11) by the above-mentioned half rotation of the crank (18), and the door (B)
Becomes a fully closed state.

When the striker (6) reaches the retracted position, the stop piece (6d) is moved to the base plate as shown in FIG.
(4) abuts the bent edge (4d), and the rotation of the motor (14) is controlled to stop, so that the edge of the contact portion (11a) of the link (11)
(11b) contacts the first contact surface (20a) of the fixing member (20).

In the fully closed state, the door (B) and the vehicle body
(A) and a seal reaction force of a seal member (not shown) provided in the direction of opening the door (B), and as a result, the reaction force is transmitted through the door lock device (D) to the striker (D). 6), but the edge (11b) of the contact portion (11a) of the link (11)
However, the fixing member (20) directly abuts on the first contact surface (20a) of the fixing member (20) and receives a seal reaction force or the like acting on the striker (6) via the link (11). The force acting on the striker (6) is not transmitted to the eccentric shaft (17), that is, the crank (18). Further, since a slight play in the door opening and closing direction is provided between the eccentric shaft (17) and the elongated hole (13) of the link (11), the link (11) is slightly moved in the door opening and closing direction together with the striker (6). Even if it moves, the movement is absorbed by the play, so that no excessive load or impact is transmitted to the drive means (7) such as the eccentric shaft (17).

By operating a handle (not shown) or the like provided on the door (B), the engagement between the door lock device (D) and the striker (6) is released, and when the door is opened, the fact is detected. Motor (1
4) is controlled to rotate in the reverse direction, the crank (18) is rotated half a turn in the direction opposite to the above, and the contact portion (11a) of the link (11) is fixed to the fixing member (2).
After disengaging upward from (0), the striker (6) is returned to the standby position described above, and prepares for the next door (B) closing operation.

In the above embodiment, the striker (6) is provided on the vehicle body (A), and the door lock device is provided on the door (B).
(D) is provided, but this may be reversed, a locking device may be provided on the main body, and a striker may be provided on the opening / closing body.
A pin may be provided on the base plate (4) so as to serve as a fixing member.

[0024]

According to the present invention, the following effects can be obtained. (a) With the configuration as described in claim 1, the load or impact acting on the striker when the opening / closing body is opened / closed is provided by the contact member provided on the striker being provided on the main body or the opening / closing body on which the striker is supported. By contacting the fixing member,
Since the above-mentioned load and impact can be prevented from being transmitted to the driving means side by the fixing member, it is not necessary to increase the strength of the components of the driving means, and the closing device can be reduced in size and weight. Manufacturing costs can be reduced.

(B) With the configuration as described in claim 2, the link, which is a component of the driving means, can also be used as the contact member, and the structure can be simplified.

(C) When the link is reciprocated by the crank, the striker is moved to the standby position and the retracted position, and the first contact surface and the first contact surface of the fixing member are moved. (2) The movement of the contact member for bringing the contact member into contact with the contact surface can be performed simultaneously only by a simple mechanism.

(D) With the configuration as described in claim 4, the eccentric shaft can move freely in the elongated hole, so that the possibility that the load or impact on the link side is transmitted to the eccentric shaft side can be further reduced. Can be.

[Brief description of the drawings]

FIG. 1 is a perspective view of a main part of a vehicle provided with an embodiment of the present invention with a door slightly opened.

FIG. 2 is a front view of the closing device.

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

FIG. 4 is a sectional view taken along line IV-IV in FIG. 3;

FIG. 5 is a sectional view taken along line VV in FIG. 3;

FIG. 6 is a perspective view of a single striker.

FIG. 7 is a sectional view taken along the line VII-VII in FIG. 3, showing a state in which the striker is located at a retracted position.

FIG. 8 is a cross-sectional view similar to FIG. 7, showing a state during the operation of the link.

FIG. 9 is a sectional view similar to FIG. 7 when the striker is located at a standby position.

FIG. 10 is an explanatory diagram of an operation of a link.

[Explanation of symbols]

 (A) Body (body) (B) Door (opening / closing body) (C) Latch (D) Door locking device (locking device) (1) Closing device (2) Pillar (2a) Bolt (3) (4) Base plate ( 4a) Folded edge (5) Slot (6) Striker (6a) Mesh (6b) Base piece (6c) Reinforcement plate (6d) Stop piece (7) Drive means (8) Headed pin (9) Slot (10) Buffer member (11) Link (contact member) (11a) Contact portion (11b) (11c) Edge (12) Shaft (13) Slot (14) Motor (15) Rotary shaft (16) Rotation Plate (17) Eccentric shaft (18) Crank (19) Buffer member (20) Fixing member (20a) First contact surface (20b) Second contact surface

Claims (4)

[Claims] A lock device is provided on one of an opening and closing body and a main body which are openably and closably mounted on a main body, and
When the striker that can be engaged with the lock device reaches the slightly open position, the opening / closing member is brought into the standby position where it can be engaged with the lock device, and in the state where the lock device is engaged, the open / close member is moved to the fully closed position. An opening / closing body closing device provided with a driving means for moving the striker to a standby position and a retracted position while being mounted so as to be movable to a retractable position that can be held, wherein the striker is fixed to a main body or an openable body provided with the striker. Protruding members, and on the striker, in conjunction with the movement of the striker to the retracted position and the standby position by the driving means,
A closing device for an opening / closing body, wherein a contact member is provided so as to contact a first contact surface of the fixing member on the retraction direction side and a second contact surface opposite to the first contact surface. 2. A link in which one end of the contact member is pivotally attached to the striker, and the other end of the link is provided with a contact portion that contacts the first contact surface and the second contact surface of the fixing member. 2. The opening / closing body closing device according to claim 1, wherein the link is reciprocated by the driving means in conjunction with the movement of the striker to the retracted position and the standby position. 3. The opening / closing body according to claim 2, wherein the driving means includes a crankshaft rotated forward and reverse by a motor and having an eccentric shaft fitted in a hole formed in an intermediate portion of the link. Closure device. 4. The opening / closing body according to claim 3, wherein the hole formed in the intermediate portion of the link is a long hole long in the moving direction of the striker, and the eccentric shaft can slightly slide in the long hole. Closing device.