JPH1113325A - Locking device for car tail gate - Google Patents

Abstract

PROBLEM TO BE SOLVED: To simplify assembling and to shorten the time assembling an open lever beforehand, a lock lever, etc., conducting locking and release by a key cylinder to a base plate and installing the base plate to a handle case. SOLUTION: A first open lever 11, a second open lever 14, a lock lever 19, a link lever 39 and coil springs 49, 50 are assembled to a base plate 6 by separate processes. The base plate 6 is mounted on a handle case 3 with a key cylinder 44 set up to the tail gate. The engaging holes 7, 7 of the base plate 6 are fitted to projections 5, 5 formed to the handle case 3 and made of a resin at the time of the mounting, and the head sections of the projections 5, 5 are melted and deformed by heat and fixed. The key cylinder 44 and the lever 19 are connected only by installing the base plate 6 to the handle case 3, and the tail gate can be locked and released by operating a key. Accordingly, assembly can be performed accurately and easily.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lock device for a vehicle tailgate.

[0002]

2. Description of the Related Art Conventionally, Japanese Utility Model Publication No. 57-44046 discloses a tailgate handle mounted on a rear middle portion of a tailgate on the left and right of a vehicle, and a left and right locking device provided on both left and right sides of the tailgate. The lock lever is supported on the base plate that supports the open lever, but the tailgate handle and the key cylinder that switches between the locked position and the unlocked position by key operation are the base plate. Describes a structure directly attached to a tailgate at a position distant from the base plate. The publication does not clearly describe the handle case, and it seems that the tailgate handle and the key cylinder are not attached to the handle case. Regarding the lock device of the vehicle tailgate, see Japanese Utility Model Publication No. 1-18769 and Japanese Utility Model Publication No. 5-18769.
As can be seen in JP13872, none of the publications clearly describes the relationship among the open lever, the lock lever, the key cylinder, the base plate, and the handle case.

[0003]

In the above-mentioned publication, the handle case is not described, and thus not only has this problem, but also the lock plate is supported by the base plate which supports the open lever. However, the tailgate handle and a key cylinder that switches and rotates between a locked position and an unlocked position by key operation,
Since it is directly attached to the tailgate at a position distant from the base plate, assembly is extremely troublesome, and time and labor are required for assembling. Therefore, in the present application, the open lever, the lock lever, the tailgate handle, and the key cylinder are assembled in one handle case, and the assembling labor and time are omitted. Also, the first open lever, the second open lever, and the lock lever are not directly attached to the handle case, but are assembled on a base plate of a metal plate and then attached to the handle case to further simplify the assembling work. It is intended.

[0004]

The object of the present invention is to save time and labor for assembling a tailgate lock device.

[0005]

SUMMARY OF THE INVENTION Accordingly, the present invention provides a resin handle case which supports a tailgate handle mounted at a right and left intermediate position of a tailgate at a rear portion of a vehicle, and a left and right side of the tailgate. The handle case is provided with a first open lever made of a metal or a synthetic resin that rotates when the tailgate handle is opened, and the handle case is rotated in conjunction with the rotation of the first open lever. A metal or synthetic resin second open lever that moves to unlock the left and right locking device, a key cylinder that switches between a locked position and an unlocked position by a key operation, and a switching cylinder that rotates the key cylinder. A lock lever for connecting and disconnecting a link between the first open lever and the second open lever, wherein the first open lever and the second open lever are provided. After the bar and the lock lever assembled to a separately provided metal plate base plate is obtained by a locking device for a vehicle tailgate mounted to the handle case. The metal plate base plate and the handle case are attached by engaging an engagement hole formed in the metal plate base plate with a resin protrusion integrally projecting from the handle case, and projecting from the engagement hole. This is a locking device for a vehicle tailgate to which the head of the projection is melted, deformed and solidified by heat to be mounted.

[0006]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described with reference to the drawings.
Reference numeral 1 denotes a pickup-type vehicle, reference numeral 2 denotes a tailgate thereof, and reference numeral 3 denotes a synthetic resin handle case having a tailgate handle 4 attached to a right and left intermediate position of the tailgate 2. The handle case 3 is formed by injection molding of a synthetic resin, and the tailgate handle 4 is located outside the handle case 3 so that a door opening operation can be performed from outside the vehicle. The back side of the handle case 3 (inside the car)
Is formed with a resin projection 5 integrally projecting from the handle case 3, and the projection 5 is formed on a metal plate base plate 6.
And the head of the protruding protrusion 5 is melted, deformed and solidified by heat.

The base plate 6 made of a metal plate is provided with holes 8 and 9, and a metal shaft 10 is attached to the holes 8. The metal shaft bar 10 has a first step portion 12 on which a first open lever 11 made of metal or synthetic resin is axially mounted, a flange 13 provided following the first step portion 12, and a second open portion made of metal or synthetic resin. A second stepped portion 15 on which the lever 14 is axially mounted; the engagement hole 16 of the first open lever 11 is fitted into the first stepped portion 12; The engaging hole 17 of the lever 14 is fitted, the second step 15 is engaged with the stop hole 8, and the protruding tip of the second step 15 is fixed by caulking. Further, a lock lever 19 is axially mounted on the stop hole 9 with a metal shaft rod 18.

The tailgate handle 4 includes a pair of left and right shaft stoppers 20 provided on the back side of the handle case 3.
At 21, the arms 22, 23 are fixed by a horizontal rod 24,
When the tailgate handle 4 is opened, the pressing portion 26 of the first open lever 11 is pushed down by the tip portion 25 of the rotating arm 22 to rotate the first open lever 11. The first open lever 11 is provided with a first arm 27 and a second arm 28 extending in a substantially right angle direction. First arm 2
7 is provided with the pressing portion 26. The pressing portion 26 of the first arm 27 faces below the distal end portion 25, and the second arm 28
Extend obliquely downward to form an arcuate vibration groove 29 centered on the engagement hole 16 and an elongated hole 30 in the radial direction. The second open lever 14 has an upper arm 31 extending above the engagement hole 17 and a lower arm 32 extending below. The upper arm 31 is connected to a right lock device 34 of the tailgate 2 via a rod 33. The lower arm 32 is connected to a left lock device 36 of the tailgate 2 via a rod 35.

An elongated hole 37 is formed in the lower arm 32 so as to overlap with the elongated hole 30, and an engaging pin 38 is engaged with both the elongated hole 30 and the elongated hole 37. When the long holes 30 and 37 are moved upward, the second open lever 1 is rotated even when the first open lever 11 is turned to face the idling groove 29.
4 does not rotate. When the engagement pin 38 is the elongated hole 30,
When the 37 is moved downward, the tailgate handle 4 is opened to rotate the first open lever 11, and when the first open lever 11 is rotated, the second open lever 14 is rotated together with the first open lever 11, and the right and left right locking devices are rotated. 34, the left lock device 36 is unlocked.

The engaging pin 38 is a part of a lock / unlock device, and integrally protrudes from the head of a link rod 39 made of synthetic resin. The link rod 39 may be made of metal and the engagement pin 38 may be made of metal. However, since the production is troublesome and the link rod 39 is not burdened with a large load, it is preferable to use a synthetic resin. Is good. At the lower part of the link rod 39, a lower engaging pin 40 is provided integrally, which protrudes in a direction opposite to the engaging pin 38,
The lower engagement pin 40 is engaged with an engagement hole 41 of the lock lever 19 provided at a lower portion thereof.

A metal pin 18 is engaged with an engagement hole 42 (FIG. 5) of the lock lever 19, and is axially mounted on the stop hole 9 of the base plate 6 by the metal pin 18. Lock lever 1
9 has a radially extending slot 46 provided at the tip of a pivoting arm 45 attached to a key cylinder 44.
The key cylinder 4 is provided with a pin 47 for engaging the key cylinder 4.
4 is mounted in a mounting tube 48 formed integrally with the handle case 3 and is rotated by a key operation. 49 is a first coil spring, and 50 is a second coil spring (spring beyond the dead center).

[0012]

When assembling the present invention, the first open lever 11, the second open lever 14, and the lock lever 19 are attached to the base plate 6 regardless of the handle case 3.
, The link rod 39, the first coil spring 49, and the second coil spring 50 are assembled.

That is, first, the first step portion 12 of the metal shaft 10
Then, the engaging hole 16 of the first open lever 11 is fitted, then the flange 13 is fitted, and the engaging hole 17 of the second open lever 14 is fitted into the second step 15 of the metal shaft 10, and the metal shaft 10
Is engaged with the stop hole 8 of the base plate 6, and the protruding tip is pressed to deform and fix. Further, the metal shaft rod 18 is inserted into the engagement hole 42 of the lock lever 19, and the protruding tip is fixed to the stop hole 9 of the base plate 6. Then, the engaging pin 38 of the link rod 39 is engaged with the long hole 30 of the first open lever 11 and the long hole 37 of the second open lever 14,
When the lower engaging pin 40 at the lower part of the link rod 39 is engaged with the engaging hole 41 of the lock lever 19 provided at the lower part thereof, and the first coil spring 49 and the second coil spring 50 are attached, the assembly of the lever is completed. finish.

The base plate 6 in which the lever relation is assembled in a separate process is easily and easily assembled. The base plate 6 is located on the back side of the handle case 3 and the resin protrusion 5 integrally protrudes from the handle case 3. When the engaging hole 7 of the base plate 6 made of a metal plate is engaged with and the head of the protruding projection 5 is melted and deformed by heat, the mounting is finished without any reason.

In this state, when the key cylinder 44 is operated to be in the unlock position, the state shown in FIG. 3 is obtained, and the lock lever 19 is rotated counterclockwise through the rotating arm 45, the long hole 46 and the engaging pin 47. In the position shown in FIG.
Is moved downward to move the engagement pin 38 along the long holes 30 and 37 to the unlock position. In this state, when the tail gate handle 4 is opened and the first arm 27 of the first open lever 11 is pressed down by the distal end portion 25 of the arm 22, the slot 30 is rotated by the rotation of the first open lever 11. 37, engagement pin 38
Then, the second open lever 14 is turned to the left in FIG. 3 via the lever 33, and the right lock device 34 and the left lock device 36 are unlocked via the rods 33 and 34.

When the lock position is operated by operating the key cylinder 44, the state shown in FIG.
6. The lock lever 19 is rotated clockwise through the engagement pin 47 to the position shown in FIG. 4, and the link rod 39 connected to the lock lever 19 is moved upward to move the engagement pin 38 into the elongated hole 3.
Move up along 0 and 37 to the lock position facing the idle vibration groove. In this state, the tail gate handle 4 is opened and the first open lever 11 is
When the first arm 27 is moved downward, the second open lever 14 does not rotate due to the rotation of the first open lever 11,
The second open lever 14 does not move due to the vibration, and the right lock device 34 and the left lock device 36 are not unlocked.

[0017]

According to the former publication, the handle case is not described, so that not only has this problem, but also the lock plate is supported on the base plate on which the open lever is supported. Since the tailgate handle and the key cylinder that switches and switches between the lock position and the unlock position by key operation are directly attached to the tailgate at a position away from the base plate, assembly is extremely troublesome, It took time and effort to assemble. However, the present invention provides a resin handle case 3 that supports a tailgate handle 4 attached to a rear middle position of a tailgate 2 at a rear portion of a vehicle 1, and a left and right locking device provided on both right and left sides of the tailgate 2. 3
4 and 36, and the handle case 3 is linked with the first open lever 11 made of metal or synthetic resin which is rotated by the opening operation of the tailgate handle 4 by the rotation of the first open lever 11. A metal or synthetic resin second open lever 14 which pivots to unlock the left and right locking devices 34, 36; a key cylinder 44 which pivots between a locked position and an unlocked position by key operation; A lock lever 19 for connecting and disconnecting the first open lever 11 and the second open lever 14 by switching rotation of the cylinder 44;
The first and second open levers 14 and the lock levers 19 are assembled to a separately provided base plate 6 made of a metal plate and then used as a locking device for a vehicle tailgate attached to the handle case 3. In addition, since the first open lever 11, the second open lever 14, the key cylinder 44, and the lock lever 19 are provided, the mutual relationship can be made accurately and the assembling becomes easy,
The first open lever 11, the second open lever 14, and the lock lever 19 are assembled on a separately provided metal plate base plate 6, and then the handle case 3
, The assembly work becomes easier. Further, in the above-mentioned apparatus, the attachment of the metal plate base plate 6 and the handle case 3 is performed by fitting an engagement hole 7 formed in the metal plate base plate 6 to a resin projection 5 integrally projecting from the handle case 3. The locking device for the vehicle tailgate, which is engaged and fixed by melting and deforming and solidifying the head of the projection 5 protruding from the engagement hole 7 by heat, can be easily mounted.

[Brief description of the drawings]

FIG. 1 is a perspective view of a vehicle.

FIG. 2 is a front view of the tailgate handle device.

FIG. 3 is a rear view of the tailgate handle device in an unlocked state.

FIG. 4 is a rear view of the tailgate handle device in a locked state.

FIG. 5 is an exploded view of a main part.

FIG. 6 is a sectional view.

[Explanation of symbols]

1 ... vehicle, 2 ... tailgate, 3 ... handle case, 4
... tailgate handle, 5 ... resin projection, 6 ... metal plate base plate, 7 ... engagement hole, 8 ... stop hole, 9 ... stop hole,
10 metal shaft rod, 11 first open lever, 12 first step, 13 flange, 14 second open lever, 15
Second step portion, 16: engagement hole, 17: engagement hole, 18: metal shaft rod, 19: lock lever, 20, 21: shaft stopper, 22,
23 ... arm, 24 ... horizontal rod, 25 ... tip, 26 ... pressing part, 27 ... first arm, 28 ... second arm, 29 ... idle groove, 30 ... long hole, 31 ... upper arm, 32 ... Lower arm, 33 ... rod, 34 ... right lock device, 35 rod,
36 left lock device, 37 ... long hole, 38 ... engagement pin, 39
... Link rod, 40 ... Lower engagement pin, 41 ... Engagement hole, 42
… Engaging hole, 43… rotational tip, 44… key cylinder, 4
5: rotating arm, 46: elongated hole, 47: pin, 48: mounting cylinder, 49: first coil spring, 50: second coil spring.

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[Procedure amendment]

[Submission date] August 1, 1997

[Procedure amendment 1]

[Document name to be amended] Drawing

[Correction target item name] All figures

[Correction method] Change

[Correction contents]

FIG.

FIG. 2

FIG. 3

FIG. 4

FIG. 6

FIG. 5

Claims (2)

[Claims] 1. A resin handle case which supports a tailgate handle attached to a right and left intermediate position of a tailgate at a rear portion of a vehicle, and a left and right locking device provided on both right and left sides of the tailgate. The handle case has a first open lever made of metal or synthetic resin that rotates when the tailgate handle is opened, and rotates in conjunction with the rotation of the first open lever to unlock the left and right locking device. A metal or synthetic resin second open lever, a key cylinder that switches between a locked position and an unlocked position by a key operation, and the first open lever and the second open lever that are switched by the key cylinder. And a lock lever for disconnecting the linkage between the first open lever, the second open lever, and the lock lever. A lock device for a vehicle tailgate mounted on a handle case after being assembled on a base plate made of a metal plate. 2. The metal plate base plate according to claim 1, wherein the metal plate base plate and the handle case are mounted by engaging an engagement hole formed in the metal plate base plate with a resin protrusion integrally projecting from the handle case. A locking device for a vehicle tailgate, wherein the head of the protrusion protruding from the engagement hole is melted, deformed and solidified by heat to be mounted.