JP3201966B2 - Locking device for upper and lower doors at the rear of the vehicle - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a locking device for an upper door and a lower door at the rear of a vehicle.

[0002]

2. Description of the Related Art Conventionally, Japanese Patent Publication No. 5-45753 and Japanese Patent Publication No. 8-26707 disclose an upper door and a lower door provided at a rear portion of a vehicle body, and a striker provided below the upper door . upper and a ratchet for preventing the reverse rotation of the engaging said latch fully latched engagement Godan portion of the said striker <br/> mosquito engagement provided on the edge of the lower door match Lula pitch and the latch a locking device, and a lower portion locking device side to a fixed striker after the previous <br/> SL body provided on a side edge of the lower door that match engagement, provided in the lower door of the lower locking device in those comprising a release lever from the outer handle mechanism for rotating, wherein the vicinity of the upper locking device, when closing the upper door is provided a non-connected state and ing clutch Tsugida' mechanism, the upper door is closing Open the outer handle mechanism when Be operated, the lower locking device is described locking device the upper door and the lower door of the vehicle rear portion that is in-released Shinano <br/> odd.

[0003]

[SUMMARY OF THE INVENTION The known ones, in the vicinity of the upper stopper device, unbound when closing the upper door
Since there is provided a clutch Tsugida' mechanism state and ing, it becomes the upper locking device complicated structure, not producing troublesome only mounting is difficult.

[0004]

SUMMARY OF THE INVENTION Accordingly, the present invention provides an upper door 2 and a lower door 3 provided at the rear of a vehicle body 1;
A lower striker 46 provided on the rear side of the lower door 3
A lower locking device 31 having a latch 47 provided on a side edge of the lower striker 46 for engaging the lower striker 46 and a ratchet 48 for preventing the latch 47 from rotating in the reverse direction;
The ratchet 4 of the lower lock device 31 provided at
And an outer handle mechanism 26 for detaching the outer handle mechanism 8 from the latch 47.
6, when the upper door 2 is opened, it switches to the connected state.
When the upper door 2 is closed, it is switched to a non-connected state.
A clutch disengagement mechanism 32,
32, when in the connected state, the Autahando
Outer handle lever 34 for the lower door 3 of the screw mechanism 26
In the door opening rotation wherein at release the lower locking device 31 is door opening the lower door 3, when in the in the non-connected state,
Is obtained by a locking device of the upper door and the lower door structure was <br/> vehicle rear so as not to release before <br/> Symbol lower locking device 31 according to the door opening rotation of the outer handle lever 34 . Further, in the device , the clutch disengagement mechanism 3
2 is a first lever 36 that rotates around a shaft 37 when the outer handle lever 34 is opened and rotated ;
7 is provided with a long hole 40 slidably engaged with
When the upper door 2 is opened or closed, the shaft 37 is slid in the radial direction.
The engaging member that is movable to engage with the first lever 36
And a second lever 39 which is displaced to the engagement position and a disengaged position of nonengageable, said second lever 39 around the same of the shaft 37 and the first lever 36 when the engagement position This is a locking device for the upper and lower doors at the rear of the vehicle, which is configured to rotate together with the first lever 36.

[0005]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described with reference to the drawings.
1 is a vehicle body, 2 is an upper door at the rear of the vehicle body 1 (upper vertical swing door), 3 is a lower door (lower left and right swing door) provided below the upper door 2, and is provided at a lower end of the upper door 2. The upper striker 4 is fixed, and the upper edge of the lower door 3 is provided with an upper lock device 5 with which the upper striker 4 engages when the upper door 2 is closed.

[0006] The upper locking device 5, as shown in FIG. 3,
A latch 7, a ratchet 8, a switch 9, and the like are attached to the metal lock frame 6. The latch 7 is fixed to the metal lock frame 6 by a shaft 10, and an engaging groove 11 with which the upper striker 4 engages when the upper door 2 is closed and a claw 12 of the ratchet 8 engage with the outer peripheral surface. As a result, the full latch engagement step 13 for preventing the latch 7 from rotating in the reverse direction is engaged. The latch 7 is always right in FIGS.
It is urged in the reverse direction and ratchets in the fully latched state of FIG.
When the claw 12 of FIG. 8 comes off, the door is returned to the open state of FIG.

The ratchet 8 is fixed to the metal lock frame 6 by a shaft 15, and is constantly urged by a spring 16 so that the pawl 12 is elastically attached to the latch 7. A pin 18 for turning on the switch 9 is provided (FIG. 3).

In FIGS. 2, 5 and 6, reference numeral 19 denotes a relay member, reference numeral 20 denotes a relay frame, reference numeral 21 denotes a bell crank, and a center of the bell crank 21 is attached to the relay frame 20 by a shaft 22. A rod 24 reaching the ratchet 8 is connected to the arm 23, a rod 27 reaching the outer handle mechanism 26 is connected to the second arm 25,
A rod 30 reaching a push-type key cylinder 29 is connected to the third arm 28 (FIG. 2). The first arm 23, the second arm 25, and the third arm 28 extend in three directions with an interval of about 120 °. The relay member 19 is a lower door 3
Attached to

[0009] The outer handle mechanism 26 which is open operating, to the door opening the lower door 3 to free up the lower locking device (also referred to as a tail gate lock device) 31 of the lower door 3. However, when the upper door 2 is closed, the outer handle mechanism 26 is provided with a clutch connection / disengagement mechanism 32 so that the lower door 3 is not opened even if the outer handle mechanism 26 is opened. The structure of the clutch connection / disengagement mechanism 32 will be described. In FIG. 2, 33 is an outer handle frame, 34 is an outer handle lever, 35 is a rod that moves down by opening the outer handle lever 34,
7, 8 and 10, reference numeral 36 denotes a first lever to which the lower end of the rod 35 is connected. In FIG. 7, the left end of the first lever 36 is axially fixed to the outer handle frame 33 side by a shaft 37. Is connected to the right end side of the first lever 36. The first lever 36 is formed by press punching of a metal plate or injection molding of a synthetic resin, and has a substantially horizontal contact piece 38 bent at a right angle on the lower edge of the right end.

Reference numeral 39 denotes a second lever provided so as to be superposed on the first lever 36. Similarly, a second lever 39 is formed by press punching of a metal plate or injection molding of a synthetic resin. One end of the rod 27 reaching the second arm 25 of the bell crank 21 is connected, and when the second arm 25 rotates and the rod 27 moves, the second lever 39 moves left and right. A left and right long hole 40 is provided on the left end side of the second lever 39, and the shaft 37 is inserted through the left and right long hole 40. The lower end of the right end side of the second lever 39 is provided with an engaging portion 4 that comes into contact when the contact piece 38 of the first lever 36 moves down.
1s are formed. The clutch disengagement mechanism 32 includes the second lever 3
9 slides to the left, and the engaging portion 41 is brought into contact with the contact piece 38 as shown in FIG.
Becomes extraordinary Mutoku latch coupled state on the lower side of the moved downward the rod 35 is moved downward <br/> first lever 36 by the door opening operation of the outer handle lever 34 about the shaft 37, the first lever contact piece 38 of the 36 is moved downward the second lever 39 about the shaft 37 by pushing the engaging portion 41. Become clutch disconnected state when the engaging portion 41 is disengaged to the right from the abutting piece 38 as the second lever 39 in FIG. 7 slides to the right, the rod 35 by the door opening operation of the outer handle lever 34 even when the first lever 36 is moved downward about the shaft 37 is moved downward, the contact piece 38 of the first lever 36 will be off the engaging portion 41 pressing Sezusora.

[0011] The clutch Tsugida' mechanism 32, the third lever 42 in FIG. 11 to be polymerized with the second lever 39 is provided. The third lever 42 is also formed by press stamping of a metal plate or injection molding of a synthetic resin. Left end of the third lever 42 is locked axially to the shaft 37, the right end side is provided with a lateral slot 43, the right and left long hole 43 engaged with the projections 44 projecting from the second lever 39 I have. The projection 44 is easily formed by injection molding of a synthetic resin. A rod 45 is attached to the right end side of the third lever 42, and the rod 45 is connected to a ratchet 48 of the lower lock device 31.

[0012] The lower locking device 31, the ratchet 48 to prevent reverse rotation of the latch 47 and the latch 47 engages the lower striker 46 provided on the vehicle body 1 side is provided, the rod 45 is connected to the ratchet 48 When the clutch handle connection mechanism 32 is in the connected state , when the outer handle lever 34 is opened, the ratchet 48 is released and the lower door 3 is opened.

[0013] The key cylinder 29 is a push and push it, by Hidariten the bell crank 21 via the rod 30, in which disengaging the ratchet 8 from the latch 7 through the Rod 24 is there. In addition, further
Then, the second lever 39 shown in FIG. 7 is moved to the left via the rod 27 to bring the clutch connection / disconnection mechanism 32 into the connected state . Reference numeral 49 denotes an actuator, and the push-type key cylinder 2
9 is connected to the ratchet 8 or the clutch connecting / disconnecting mechanism 32 via the push-type key cylinder 29.

[0014]

Next, the operation will be described. When closing the lower part door 3, the lower door 3 side to the lower striker 46 of the vehicle body 1 side latch 47
Engages and rotates, the ratchet 48 engages with the full latch engagement step of the latch 47 to prevent the latch 47 from rotating in the reverse direction, and the lower door 3 is fully latched.

When the upper door 2 is closed in this state, the upper striker 4 attached to the lower edge of the upper door 2 becomes the upper locking device 5 attached to the upper edge of the closed lower door 3.
And the latch 7 is rotated, and the pawl 12 of the ratchet 8 is engaged with the full latch engagement step 13 of the latch 7 to fully latch the upper door 2.

When the upper door 2 is fully latched as described above, the rotation of the ratchet 8 (rotation by the elastic force of the spring 16) that engages with the full latch engagement step 13 of the latch 7 of the upper door 2 causes Since the rod 24 attached thereto is pulled up, the relay member 19 to which the lower end of the rod 24 is locked.
The right arm 23 of the bell crank 21 is turned rightward from the state of FIG. 6 to the state of FIG. Then, the second arm 25 of the bell crank 21 also rotates to the right, and the rod 27 moves to the right to move the second lever 3 of the clutch disengaging mechanism 32 in the state of FIG.
9 is moved to the right, and as shown in FIG.
1 removed from the contact piece 38 of the first lever 36, the clutch relay
The disengagement mechanism 32 is set to the unconnected state.

[0017] In this state, is moved downward rod 35 and open operating the outer handle lever 34 of the outer handle mechanism 26 in FIG. 2, downward movement rotating the first lever 36 about the shaft 37 by Rod 35 Even if it is made to contact, the contact piece 38
Second lever 39 and third lever 42 because it is fruitless not abut against the 1 does not rotate, the lower locking device 3 of the lower door 3
The first ratchet 48 does not separate from the latch 47 and cannot be opened. That is, when the upper door 2 is closed, the lower door 3 is not opened.

However, in the state of FIG. 3 in which the upper door 2 is open, the pawl 12 of the ratchet 8 is in contact with the outer peripheral surface of the latch 7 and the rod 24 is pushed down, as shown in FIG. Since the first arm 23 is pushed down by the rod 24 and the bell crank 21 is turned to the left and the second lever 39 of the clutch connection / disengagement mechanism 32 is brought into the state shown in FIG. Is a contact piece 38 of the first lever 36
Of facing downward becomes clutch engagement state, the second lever the outer handle lever 34 to open operating to lower the engaging portion 41 portion of the second lever 39 via the first lever 36 is lowered the rod 35 39 is turned right around the shaft 37, and the projection 44 of the second lever 39 is engaged with the left and right long holes 43 of the third lever 42. Therefore, the third lever 42 is lowered, and the ratchet is 48 is released from the latch 47 and the door is opened.

[0019]

According to the present invention, the upper door 2 and the lower door 3 provided on the rear part of the vehicle body 1, the lower striker 46 provided on the rear side of the vehicle body 1, and the side edges of the lower door 3 are provided. A lower lock device 31 having a latch 47 engaged with the lower striker 46 and a ratchet 48 for preventing the latch 47 from rotating in the reverse direction, and the ratchet 48 of the lower lock device 31 provided on the lower door 3 with the latch 47 The upper door 2 is attached to the outer handle mechanism 26 so as to be detached.
When the door is opened, it switches to the connected state, and the upper door 2 is closed.
The clutch connection / disconnection mechanism 32 is switched to a non-connected state when it is operated.
The provided, the clutch Tsugida' mechanism 32, the coupling state
Some time, the lower door of the outer handle mechanism 26
The lower lock device 31 is released by the opening rotation of the outer handle lever 34 for 3 and the lower door 3 is opened .
When in the disconnected state , the outer handle lever
Since it is obtained by said door opening rotation by the lower locking device 31 locking device of the upper door and the lower door of the vehicle rear portion, which is configured as <br/> not to release of over 34, the clutch Tsugida' mechanism 32 Since the outer handle mechanism 26 having a wide periphery is provided, the design and manufacture are easy and the accuracy is improved. Further, in the device , the clutch disengagement mechanism 32 includes:
When the outer handle lever 34 is opened and rotated, the shaft 3
The first lever 36 that rotates about the center 7 and the shaft 37
A slot 40 for engaging the ride freely;
The sliding movement in the radial direction of the shaft 37 is performed according to the opening and closing of the door 2.
To engage with the first lever 36
And a second lever 39 which is displaced in the disengaged position of nonengageable, said second lever 39 is the first around the same of the shaft 37 and the first lever 36 when the engagement position Since the upper and lower door locking devices at the rear of the vehicle are configured to rotate together with one lever 36, the clutch connecting / disconnecting mechanism 32 has a simple structure.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view of a vehicle.

FIG. 2 is a main part connection diagram.

FIG. 3 is an open view of an upper door.

FIG. 4 is a diagram showing an upper door closed.

FIG. 5 is a front view of a relay member.

FIG. 6 is a front view of the relay member.

FIG. 7 is a clutch-off state diagram.

FIG. 8 is a diagram showing a clutch engagement state.

FIG. 9 is a front view of a second lever.

FIG. 10 is a front view of a first lever.

FIG. 11 is a front view of a third lever.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Body, 2 ... Upper door, 3 ... Lower door, 4 ... Upper striker, 5 ... Upper lock device, 6 ... Lock frame, 7 ... Latch, 8 ... Ratchet, 9 ... Switch, 10 ... Shaft, 11
... Engagement groove, 12 claw, 13 full latch engagement step, 14
... Spring, 15 ... Shaft, 16 ... Spring, 17 ... Arm, 18 ...
Pin, 19 ... relay member, 20 ... relay frame, 21 ... bell crank, 22 ... shaft, 23 ... first arm, 24 ... rod, 25 ... second arm, 26 ... outer handle mechanism, 2
7 ... rod, 28 ... third arm, 29 ... push-type key cylinder, 30 ... rod, 31 ... lower locking device, 32
... clutch disengagement mechanism, 33 ... outer handle frame,
34 ... outer handle lever, 35 ... rod, 36 ... first lever, 37 ... shaft, 38 ... contact piece, 39 ... second lever, 40 ... left and right long hole, 41 ... engagement part, 42 ... third lever, 43 ... left and right long holes, 44 ... projections, 45 ... rods, 46
... Lower striker, 47 ... Latch, 48 ... Ratchet,
49 ... actuator, 50 ... rod.

──────────────────────────────────────────────────続 き Continuation of front page (72) Nobuhiro Horikiri, Inventor No. 8 Fujisawa City, Kanagawa Prefecture (56) References JP-A-64-17983 (JP, A) JP-A-2-112576 (JP, A) JP-A-6-26256 (JP, A) Jikken Sho 57-44046 (JP, Y2) (58) Fields investigated (Int. Cl. ⁷ , DB name) E05B 65/32 B60J 5/10

Claims (2)

(57) [Claims] An upper door and a lower door provided at a rear portion of a vehicle body, and a lower striker provided at a rear side portion of the vehicle body.
6, a latch 47 provided on a side edge of the lower door 3 and engaging with the lower striker 46, and a ratchet 48 for preventing the latch 47 from rotating in the reverse direction.
1 and the lower lock device 31 provided on the lower door 3.
And the outer handle mechanism 26 for detaching the ratchet 48 from the latch 47. The upper handle 2 is opened by the outer handle mechanism 26.
And when the upper door 2 is closed,
A clutch connecting / disconnecting mechanism 32 that switches to the connected state is provided.
When the clutch engagement / disengagement mechanism 32 is in the connected state , the lower lock device 31 is released by the opening rotation of the outer handle lever 34 for the lower door 3 of the outer handle mechanism 26. Te but is door opening the lower door 3, wherein when in the uncoupled state, the outer handle lever 34
Locking device of the upper door and the lower door of the vehicle rear portion that is configured so as not to cause <br/> the release of the lower lock device 31 according to the door opening rotation. 2. A method according to claim 1, wherein the clutch Tsugida' mechanism 32, when to open door rotating the outer handle lever 34 and the first lever 36 to rotate about the axis 37, the
When a long hole 40 slidably engaged with the shaft 37 is provided,
In the radial direction of the shaft 37 according to the opening and closing of the upper door 2
Can slide and engage with the first lever 36
And a second lever 39 which is displaced in to the disengaged position of the engagement position and nonengageable, said second lever 39 is the shaft 37 of the same with the first lever 36 when the engagement position A locking device for the upper and lower doors at the rear of the vehicle, which is configured to rotate together with the first lever 36 at the center.