JPH06137004A - Door closer device - Google Patents

Abstract

PURPOSE:To protect a driving device, by providing a lever fixing or unfixing to a striker between the striker pulling in a latch owing to the sliding movement on the base and the driving device and preventing the impulse on fitting of the striker to the latch from transmitting to the driving device. CONSTITUTION:A door closer device is provided with a lever 63 fixing or unfixing to a striker 62 between the striker 62 supported to freely slide on a base 61 fixed to a car and pulling in a latch equipped in a laggage door and a driving device 65 to independently actuate the striker 62. Impulses are prevented from transmitting to the driving device 65 by the operation of lever 63 when the striker is fitted to the latch. In this way, the driving device 65 can be protected from impulses.

Description

Detailed Description of the Invention

[0001]

[Object of the Invention]

[0002]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a door closer device which is used as a closing mechanism for a luggage door or the like and which drives a striker by a drive mechanism to bring the door into a completely closed state with respect to the vehicle body.

[0003]

2. Description of the Related Art Conventionally, as a door closer device of this type, as shown in JP-A-1-163386, a striker is directly slid by a drive mechanism to pull in a latch engaged with the striker, As a result, the door is automatically closed from the state where the door is not completely closed to the vehicle body to the state where the door is completely closed to the vehicle body. It is known that the contradictory performances of the operability and the sealing property, in which the door is surely brought into the completely closed state, are improved against the reaction force of the weather strip that seals between the two.

[0004]

However, in the above-mentioned conventional device, since the striker and the drive mechanism are directly connected to each other, when the striker and the latch are engaged with each other by the closing operation of the door, the striker and the latch are interlocked with each other. A collision sound is likely to be generated due to the collision of the both, and the load at this time is easily transmitted to the drive mechanism as it is, which may damage the drive mechanism.

SUMMARY OF THE INVENTION Therefore, it is a technical object of the present invention to provide a door closer device capable of reducing a collision when a striker and a latch are engaged with each other.

[0006]

[Constitution of the invention]

[0007]

The technical means taken in the present invention to solve the above technical problems are a base and a latch which is slidably supported by the base and engaged by a sliding motion. A striker that pulls in the lever, and a lever that is rotatably supported by the base and that engages and disengages with the striker,
And a drive mechanism connected to the lever.

[0008]

According to the above technical means, when the striker and the latch are engaged with each other, the engagement between the striker and the lever is released according to the size of the collision between the striker and the latch, and only the striker alone with respect to the base. Slide. Therefore, the collision when the striker and the latch are engaged can be effectively mitigated.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the accompanying drawings.

As shown in FIG. 1, a luggage room 1 is formed at the rear of the vehicle.

This luggage room 1 has a vehicle body 2 and a hinge 3
The luggage door 4 rotatably supported by is opened and closed by a person directly rotating the luggage door 4. Further, a seal member 5 is fixed to the opening edge of the luggage room 1, and seals between the vehicle body 2 and the luggage door 4 when the luggage room 1 is closed. The vehicle body 2 is provided with a later-described closer mechanism 6, and the luggage door 5 is provided with a later-described latch mechanism 7. This closer mechanism 6
By the engagement of the striker 62 and the latch 72 of the latch mechanism 7, the luggage door 4 is held by the vehicle body 2 so that the luggage room 1 is closed.

Next, the closer mechanism 6 will be described.

As shown in FIGS. 2 to 5, the closer mechanism 6 includes a base 61, a striker 62, and a lever 6.
3, a ratchet 64, a drive mechanism 65, and a striker position detection switch 68.

The base 61 includes two plates 61a and 61a.
b is overlapped so as to form a space 61c between them, and is fixed to the vehicle body 2.

The striker 62 comprises a support member 62a, an inverted U-shaped engagement member 62b fixed on the support member 62a, and an engagement pin 62c erected on the support member 62a. The striker 62 is slidably supported by the plate 62a disposed in the space 61c and sandwiched between the plates 61a and 61b, so that the striker 62 is in the engagement position A in the state shown in FIG. 9 and in the retracted position B in the state shown in FIG. And FIG.
The base 61 is slidably supported so as to be able to take the overtravel position C in the state shown in FIG. The plate 61a has a notch 61d and an elongated hole 61 along the sliding direction of the striker 62.
e are formed respectively, and the engaging member 62b is inserted into the notch 61d to allow the sliding of the engaging member 62b by the sliding of the striker 62, and the engaging pin 62c is provided in the elongated hole 61e. The insertion of the striker 62 allows the engagement pin 62c to slide. Plate 61
The plate 61 is provided between the support members 62a and a and 61b.
A resin spacer 61f integrally fixed to the a and 61b is arranged, and this spacer 61f reduces the friction between the support member 62a and the plates 61a and 61b so that the striker 62 slides smoothly. I am supposed to. The spacer 61f is integrally formed with a stopper 61g arranged in the elongated hole 61e.
Therefore, the engagement pin 62 at the engagement position A of the striker 62 is
The collision between c and the plate 61a is mitigated. Further, the support member 62a engages with a claw portion 64c of a ratchet 64, which will be described later, and a claw portion 62e that regulates the sliding of the striker 62, and a regulation surface 62f that abuts the claw portion 64c to regulate the rotation of the ratchet 64. Are formed respectively. The striker 62 thus configured is constantly urged by the spring 66 to slide in the engagement position A direction. The spring 66 is arranged in the space 61c so as to be sandwiched between the plates 61a and 61b.
The winding portion is supported by the pin 66a supported by b and is supported by the base 61, and one end is engaged with the end surface of the support member 62a so as to urge the striker 62 to slide as described above and the other end for the cam portion. The side surface of the support member 62a on which 62d is formed is slidably contacted.

The ratchet 64 includes plates 61a and 61b.
The plate 61 is placed in the space 61c so as to be sandwiched between
It is rotatably supported on the base 61 by a pin 64a supported by a and 61b. An engaging pin 64b is erected on the ratchet 64, and is inserted into an arc-shaped elongated hole 61h centered on the pin 64a formed on the plate 61a to allow the ratchet 64 to rotate. The ratchet 64 is formed with a claw portion 64c that engages with and disengages from the claw portion 62e of the striker 62 and that abuts and releases the abutment surface 62f. Further, the ratchet 64 is provided with a cam surface 64d for turning on and off the striker position detecting switch 68 by engaging and disengaging with a contact 68a of a striker position detecting switch 68 which will be described later. In the ratchet 64 configured as described above, the claw portion 64c is engaged with the claw portion 62e by the spring 67 or the regulating surface 62f.
It is constantly urged to rotate in the direction of contact with.
The spring 67 is arranged in the space 61c so as to be sandwiched between the plates 61a and 61b.
The winding portion is supported by the pin 67a supported by a and 61b, and is supported by the base 61, and one end of the plate 61a is supported.
The ratchet 64 is locked to a and the other end is locked to the claw 64c to bias the ratchet 64 to rotate as described above.

The lever 63 is provided on the plate 61a with the engagement pin 62c of the striker 62 and the engagement pin 6 of the ratchet 64.
The plate 61a is arranged so as to be located between the plate 61a and
It is rotatably supported by the base 61 by a pin 63a supported by the base 63. The lever 63 has a first engagement surface 63b that engages with the engagement pin 62c and a second engagement surface 63c that engages with the engagement pin 64b.

The drive mechanism 65 is fixed to the plate 61b and supported by the base 61, and the motor 65a is connected to the output ports P1 and P2 of the CPU 81 of the control circuit 8 shown in FIG. 7 via the motor drive circuit 82. , Motor 65
It is composed of a nut member (not shown) connected to the output shaft of a through a gear mechanism (not shown) and a screw 65b screwed to the nut member (this drive mechanism 65).
Is well known). This screw 65b is lever 6
It is coupled by a pin 65c through an elongated hole 63d formed in the No. 3.

The striker position detection switch 68 is a limit switch which is turned on and off, and is connected to the CPU 81 of the control circuit 8 shown in FIG. 7 at the input port P3. The striker position detection switch 68 is fixed to the plate 61b and supported by the base 61, and the contact point 68a has the cam surface 64 of the ratchet 64 as described above.
It can be engaged and disengaged with d.

Next, the latch mechanism 7 will be described.

As shown in FIG. 6, the latch mechanism 7 includes
It is composed of a base 71, a latch 72, a pole 73 and a latch position detection switch 74.

The base 71 has a groove portion 71a into which the engaging member 62b of the striker 62 is inserted, and the luggage door 4
Fixed to. The base 71 is provided at the bottom of the groove 71a.
The cushion body 76 fixed to the base portion 71 is arranged to reduce the collision between the base 71 and the engaging portion 62b when the engaging portion 62b is inserted into the groove portion 71a.

The latch 72 is rotatably supported on the base 71 by a pin 72a, and is disposed so as to cross the groove portion 71a. The engaging groove 72b is engaged with the engaging member 62b of the striker 62, which will be described later. Claw portion 73b of the pole 73
And a cam portion 74d for engaging and disengaging with a contact portion 74a of a latch position detection switch 74, which will be described later, by turning the latch position detection switch 74 on and off. Are formed respectively. The pole 73 is rotatably supported on the base 71 by a pin 73 a, and the claw portion 72 of the latch 72 is provided.
Claws 73b that engage with b are formed respectively. A spring 75 is stretched between the latch 72 and the pole 73 configured as described above, and the latch 72 is in a direction in which the engagement between the claw portion 72b and the claw portion 73b is released by the spring 75. The pole 73 is always biased by the spring 75 in the direction in which the claws 72b and 73b are engaged (these configurations are well known).

The latch position detecting switch 74 is a limit switch which is turned on and off, and is connected to the CPU 81 of the control circuit 8 shown in FIG. 7 at the input port P4. The latch position detecting switch 74 is fixed to the base 71, and the contact point 74a has the latch 72 as described above.
The cam portion 72d is detachable.

Next, the operation will be described.

FIG. 8 shows the state of the latch mechanism 7 when the luggage room 1 is in an open state. The latch 72 has an engaging groove 72b located on the groove portion 71a so as to receive the engaging member 62b. The pawl 73 is rotatably arranged so that the claws 73b and 72c are disengaged from each other. Further, the latch position detection switch 74 is in the ON state because the engagement between the contact point 74a and the cam portion 72d is released. Figure 9 shows luggage room 1
Shows the state of the closer mechanism 6 when it is opened, the striker 62 is slidably arranged so as to be located at the engagement position A, and the ratchet 64 has the claw portion 64c and the claw portion 6.
2e is disengaged and the restricting surface 62f and the claw portion 64c
Are arranged so that they can come into contact with each other. The striker position detection switch 68 has a contact point 68a and a cam surface 64d.
Since and are engaged, they are in the ON state.

In this state, when a person directly rotates the luggage door 4 to close the luggage room 1, the engagement of the engaging member 6 is caused by the rotation of the luggage door 4.
2b is received in the engagement groove 72b while being inserted into the groove portion 71a, and the latch 72 is rotated counterclockwise in FIG. 8 against the biasing force of the spring 75. As a result, as shown in FIG.
The pawl portion 72c and the pawl portion 73b are engaged with each other by the biasing force of No. 5, the rotation of the latch 72 is restricted by the pawl 73, and the engagement groove 72b is engaged with the engagement member 62b. 62 and the latch 72 are brought into engagement with each other, and the latch position detection switch 74 causes the cam portion 72d and the contact 7 to come into contact with each other.
The engagement with 4a results in the off state. As a result, in the luggage room 1, the luggage door 4 is held half-closed with respect to the vehicle body 2 in a state where the reaction force of the seal member 5 is not working, that is, the luggage door 4 and the vehicle body 2 are not completely sealed. It becomes a state. At this time, the striker 62 receives the urging force of the spring 66 and remains in the engagement position A in the state shown in FIG.
The engagement between c and the claw portion 62e is released, and the restricting surface 62f and the claw portion 64c are still arranged so that they can come into contact with each other, and the striker position detection switch 68 engages the contact point 68a and the cam surface 64d. Then, it remains turned on.

When the latch position detection switch 74 is turned off, the signal is input to the port P4 of the CPU 81, and the signals for driving the motor 65a in the normal direction are output from the output ports P1 and P2 based on the signal. Based on the signal, the motor drive circuit 82 drives the motor 65a to rotate normally. The forward rotation of the motor 65a causes the screw 65b to move through the gear mechanism and nut member as shown in FIG.
And the lever 63 rotates counterclockwise as shown in FIG. By this rotation of the lever 63, the engagement pin 62c and the first engagement surface 63b are engaged as in the state shown in FIG. 10, and then the striker 62b is moved along with the movement of the screw 65b and the rotation of the lever 63. Against the biasing force of the spring 66, the latch is pulled in and slid so as to sequentially go through the states of FIGS. At this time, since the ratchet 64 remains in contact with the regulating surface 62f and the claw portion 64c, the ratchet 64 is rotationally regulated against the urging force of the spring 67 and the claw portion 64c and the claw portion 62e. The on state of the disengagement and striker position detection switch 68 remains maintained. The other end of the spring 66 has a cam portion 62.
The sliding contact is made with the side surface of the support member 62a so as to get over d. When the striker 62 reaches the state of FIG. 12, the contact between the restricting surface 62f and the claw portion 64c is released and the ratchet 6 is released.
4 is rotated counterclockwise in FIG. 12 by the urging force of the spring 67. Thereby, the contact point 68a and the cam surface 64d
Are engaged with each other to turn off the striker position detection switch 68, and the claw portions 64c and 62e are engaged with each other.
When the striker position detection switch 68 is turned off,
The signal is input to the input port P3 of the CPU 81, and the motor 65 is output from the output ports P1 and P2 based on the signal.
A signal for stopping a is output, and the motor drive circuit 82 stops the motor 65a based on the signal. At this time, due to the structure of the motor 65a, the motor 65a continues to be normally driven by inertia, and the striker 62 shown in FIG. 13 is placed in the overtravel position C. Output port P
Output port P after a predetermined time (measured in the CPU 81) after a signal for stopping the motor 65a is output from the terminals P1 and P2
1, P2 outputs a signal for driving the motor 65a in reverse, and based on the signal, the motor 65a is driven in reverse by the motor drive circuit 82 to move the lever 63 to the position shown in FIG.
Rotate in the clockwise direction to rotate the engaging pin 62c and the first engaging surface 63b.
Is disengaged. As a result, as shown in FIG. 14, the striker 62 is pushed out and slid by the biasing force of the spring 66, and the claw portion 62e and the claw portion 64 are moved.
When the c and c are engaged with each other, the claw portion 62e and the claw portion 64c are engaged with each other at the engaged position, that is, the retracted position B, and the sliding position is restricted. As a result, the luggage room 1 is in a completely closed state in which the luggage door 4 is held with respect to the vehicle body 2 in a state in which the reaction force of the seal member 5 is applied, that is, the luggage door 4 and the vehicle body 2 are completely sealed. .

The rigidity of the luggage door 4 with respect to the vehicle body 2 at this time is ensured by the engagement of the claw portions 62e and the claw portions 64c. In the reverse rotation drive of the motor 65a, a signal for stopping the motor 65a is output from the output ports P1 and P2 after a predetermined time (measured in the CPU 81) after the signal for reverse drive of the motor 65a is output from the output ports P1 and P2. The motor 65 is output based on the output signal.
a is stopped by the motor drive circuit 82. or,
When the motor 65a is driven in the reverse direction described above, the second engaging surface 63
When the striker 62 shown in FIG. 14 is arranged at the retracted position B so that the engagement pin 64b and the engagement pin 64b are not engaged with each other, a predetermined gap is provided between the engagement pin 64b and the second engagement surface 63c. E is formed.

The state shown in FIGS. 6 and 14, that is, the latch 72 and the striker 62 are engaged with each other, the rotation of the latch 72 is restricted by the pole 73, and the striker 62 is placed in the retracted position B and the ratchet 64 is attached. Therefore, in the completely closed state of the luggage room 1 in which the sliding of the striker 62 is restricted, the opener (not shown) in the vehicle compartment is operated to rotate the pole 73 against the urging force of the spring 75 and to rotate the pawl portion. When a person directly rotates the luggage door 4 to open the luggage room 1 while releasing the engagement between the claw portion 73b and the claw portion 72c, the ratchet 72 is moved to the striker 62 by the rotation of the luggage door 4. 6 by the biasing force of the spring 75.
By rotating in the clockwise direction, the engagement between the engagement member 62d and the engagement groove 72b is released, and the engagement between the cam portion 72d and the contact 74a is released. Therefore, the luggage room 1 is opened and the latch position detection switch 74 is turned on.

When the latch position detection switch 74 is turned on, the signal is input to the port P4 of the CPU 81, and the signals for driving the motor 65a in the reverse direction are output from the output ports P1 and P2 based on the signal. Based on the above, the motor drive circuit 82 drives the motor 65a to rotate in the reverse direction. The reverse rotation of the motor 65a causes the screw 65b to move in the F direction shown in FIG. 14 via the gear mechanism and nut member, and the lever 63 to rotate clockwise in FIG. By this rotation of the lever 63, the engagement pin 64b and the second engagement surface 63c are engaged with each other, and the ratchet 64 is rotated against the urging force of the spring 67. As shown in FIG. The engagement between the portion 62e and the claw portion 64c is released.
At this time, the engagement pin 62c and the first
Since the engagement with the engagement surface 63b is released, the striker 62 is pushed out and slid under the urging force of the spring 66 as shown in FIG.
Returned to and placed in. At this time, since the first engagement surface 63b is arranged on the stopper 61g by the rotation of the lever 63, the push pin sliding of the striker 62 causes the engagement pin 62c and the first engagement surface 63b to move. Is avoided, and the movement of the engagement pin 62c is effectively buffered by the stopper 61g. It should be noted that the motor 65a is used for the ratchet 64.
The contact between the contact 68a and the cam surface 64d is released with the rotation of the striker position detection switch 74, and the signal is input to the input port P3 of the CPU 81, and the output port is output based on the signal. A signal for stopping the motor 65a is output from P1 and P2, and the motor drive circuit 82 stops based on the signal.

The luggage room 1 shown in FIGS. 8 and 9.
When the luggage door 4 is swung with a force in the open state, the striker 62 strikes as shown in FIG. 16 due to the collision / engagement between the latch 72 and the striker 62.
Only the latch position pulls the latch independently from the engagement position A against the biasing force of the spring 66. As a result, the collision between the striker 62 and the latch 72 is effectively mitigated. At this time, the lever 63a is not rotated, and the engagement between the engagement pin 64b and the second engagement surface 63c is maintained as shown in FIG. 9, so that the rotation of the ratchet 64 is restricted. As the striker 62 slides, the claw portion 62e and the claw portion 6
4c does not engage. After that, the striker 62 is returned to the engagement position A again by the biasing force of the spring 66 as the collision between the latch 72 and the striker 62 is eliminated, and the striker 62 is driven by the forward rotation of the motor 65a. The latch pulls in and slides.
Further, when the striker 62 slides in and pulls in the latch, the other end of the spring 66 slides into contact with the side surface of the support member 62a. The size of the collision / engagement is such that the other end of the spring 66 gets over the cam portion 62d.

[0033]

According to the present invention, since the lever for engaging and disengaging the striker is interposed between the striker and the drive mechanism, the striker is allowed to slide in the latch by the operation of the drive mechanism and the striker alone. It is possible to pull in and slide the latch. Therefore, even if a collision occurs when the striker and the latch are engaged with each other, the impact can be effectively mitigated by the independent sliding of the striker, and the drive mechanism can be protected from the impact. it can. Also, the impact sound at that time can be effectively reduced.

Further, since the load is applied at the initial stage of the sliding movement of the striker by the sliding contact between the urging member and the cam portion, the careless independent sliding of the striker is suppressed, and the striker and the latch are securely connected. Engagement can be secured.

[Brief description of drawings]

FIG. 1 is a rear perspective view of a vehicle equipped with a door closer device according to the present invention.

FIG. 2 is a plan view of a closer mechanism of the door closer device according to the present invention.

FIG. 3 is a side view of FIG.

FIG. 4 is a front view of FIG.

5 is a sectional view taken along line GG in FIG.

FIG. 6 is a plan view of a latch mechanism of the door closer device according to the present invention.

FIG. 7 is a circuit diagram of a door closer device according to the present invention.

8 is an explanatory diagram of the operation of FIG.

FIG. 9 is an operation explanatory diagram of FIG. 2;

FIG. 10 is an operation explanatory view of FIG. 2.

FIG. 11 is an operation explanatory diagram of FIG. 2;

FIG. 12 is an operation explanatory view of FIG. 2;

FIG. 13 is an operation explanatory diagram of FIG. 2;

FIG. 14 is an explanatory diagram of the operation of FIG.

FIG. 15 is a diagram for explaining the operation of FIG.

16 is an explanatory diagram of the operation of FIG.

[Explanation of symbols]

 61 base 62 striker 63 lever 65 drive mechanism 66 spring (biasing member) 72 latch 62d cam portion

Claims (2)

[Claims] 1. A base, a striker slidably supported by the base to draw in a latch engaged by a sliding action, and a lever rotatably supported by the base to engage and disengage with the striker. A door closer device having a drive mechanism connected to the lever. 2. An urging member supported by the base, and a cam portion formed on the striker, which is in sliding contact with the urging member at the initial stage of the latch pull-in sliding of the striker and applies a load to the sliding of the striker. The door closer device according to claim 1, further comprising: