JPH0527641Y2 - - Google Patents

Description

[Detailed description of the invention] Industrial application field This invention consists of a first opening/closing door attached to the vehicle body so as to be openable/closable, and a first opening/closing door attached to the opening of the first opening/closing door so as to be openable/closable. The present invention relates to a lock device having a second opening/closing door, and a locking mechanism for locking the first and second opening/closing doors, respectively, which can be opened and closed using an operating lever provided in a vehicle interior.

Conventional technology In the rear body structure of general passenger cars, the rear window is fixed to the body side, as is typical of sedan-type cars, and only the trunk is opened using a luggage door to allow loading and unloading of luggage from the trunk. Some vehicles, such as hatchback-type vehicles, have a large back door that includes a rear window that opens the entire rear of the vehicle to allow luggage to be taken in and out of the trunk.

However, in the former type, although it is easy to take small items in and out, when folding down the back seat to expand the luggage compartment to take in and out large items, the opening is small, making it difficult to take in and out the items.In the latter type, the opening area is large, making it easy to take in and out large items, but the large back door must be opened and closed even when taking in and out small items, making the work difficult.

Now, in order to be able to change the opening area of the vehicle body according to the size of the luggage, the present applicant has installed two opening/closing doors 2, 3, a large first opening/closing door 2 is provided in the vehicle body 1 so as to be openable and closable, and a small second opening/closing door 3 is provided in the rear opening of the first opening/closing door 2 so as to be openable and closable. Proposed. According to this car, when putting in and taking out small items, the second door 3 can be opened, and when taking out and taking out large items, it can be done by opening the first door 2, which is very convenient. It is.

Problems to be Solved by the Invention The automobile is provided with a locking device to prevent the first and second opening/closing doors 2, 3 from being opened inadvertently during driving. This locking device consists of a locking mechanism that locks the first opening/closing door 2 to the vehicle body 1 and a locking mechanism that locks the second opening/closing door 2 to the first opening/closing door 2. It is necessary to provide two operating mechanisms, which complicates the structure and makes the operation troublesome since there are a plurality of operating mechanisms. Therefore, it is desirable to be able to open the first opening/closing door 2 or the second opening/closing door 3 by operating the two locking mechanisms using a single operating mechanism from inside the vehicle.

Means for Solving the Problems This invention is capable of opening the first opening/closing door and the second opening/closing door provided at the opening of the first opening/closing door using a single operating mechanism provided on the vehicle body. A first striker provided on the bottom surface of the first opening/closing door, a second striker provided on the bottom surface of the second opening/closing door, and the first striker is swingably provided on the vehicle body. a first locking lever that locks the
a second lock lever that is swingably provided on the first opening/closing door and locks the second striker; a lock link that is swingably provided close to the second lock lever and locks the second lock lever; It is swingably installed to face the vehicle body,
A first lock release lever that locks or releases the first lock lever, a second lock release lever that swings the lock link in the release direction, and a second lock release lever that is close to the first lock release lever and the second lock release lever in the swing direction. A slider is provided in the slider guide between the slider guide provided along the vehicle body, the first lock release lever, and the second lock release lever and is slidable within the slider guide, and is linked to the operating lever provided in the vehicle interior. A lock device is constituted by a push-pull cable that slides the slider and swings the first lock release lever or the second lock release lever.

Function This device is designed to operate the first lock release lever or the second lock release lever in relation to the push/pull operation of the push-pull cable.
The lock release lever is swung, and the first lock release lever is swung to free the first lock lever so that the first opening/closing door can be opened, and the second lock release lever is swung to swing the lock link. The second lock lever is made free so that the second opening/closing door can be opened.

Embodiment FIGS. 1 and 2 are drawings showing an embodiment of the present invention. In the figures, 10 is a vehicle body, which has a closed cross section with an inner panel 11 and an outer panel 12, and constitutes a luggage room. ing. 13 is the car body 10
A first opening/closing door, for example a back door, which covers the opening of the vehicle body 10, is composed of an inner panel 14 and an outer panel 15, and is attached to the opening of the vehicle body 10 via a suitable hinge mechanism (not shown) so as to be openable and closable. ing. 16 is a second door that covers the opening of the back door 13;
An opening/closing door, such as a luggage door, is composed of an inner panel 17 and an outer panel 18, and is attached to the opening of the back door 13 via a suitable hinge mechanism (not shown) so that it can be opened and closed.

19 is a first base attached to the inner panel 11 of the vehicle body 10, 20 is a second base attached to the inner panel 14 of the back door 13, and 21 is a third base attached to the inner panel 17 of the luggage door 16. A first striker 22 is provided on the lower surface of the second base 20 so as to project downward, and is made of a round bar bent into a U shape, and is arranged along the longitudinal direction of the vehicle body. A second striker 23 is provided on the lower surface of the third base 21 so as to project downward, and a lock pin 23b is provided protruding from the lower end of the triangular plate 23a. The lock pin 23b is also arranged along the front-rear direction. 24 is the first striker 22
The first lock lever locks the first base 1.
It is pivotally connected to a pivot 25 projecting upward from the central portion of 9. The first lock lever 24 has a locking groove 26 for holding the first striker 22 at its left end, an engagement recess 27 at its lower surface, and a locking arm 28 bent at its right end, which is used to close the back door 13. Sometimes the first striker 22 is in the locking groove 2.
6 and keeps the lock groove 26 in a horizontal state. A second lock lever 29 locks the second striker 23, and is pivotally connected to a pivot 30 protruding from the center of the second base 20.
The second lock lever 29 has a lock groove 3 at its left end that holds the lock pin 23b of the second striker 23.
1, an engaging recess 32 is formed at the right end, and a locking arm 33 is bent above the engaging recess 32. When the luggage door 16 is closed, the lock pin 23b of the second striker 23 is inserted into the lock groove. 31
The lock groove 31 is in a horizontal state. A lock link 34 is disposed close to the second lock lever 29, and is pivotally connected to a pivot 35 protruding from the second base 20. The lock link 34 has an engaging protrusion 36 formed at its left end, a bent locking arm 37 at its upper end, and an engaging arm 38 at its lower end. A spring 3 is provided between the locking arm 37 and the locking arm 33 of the second lock lever 29.
9 is stretched so as to constantly apply a counterclockwise rotational force to the lock link 34, and also to constantly apply a clockwise rotational force to the second lock lever 29. When the luggage door 16 is closed, the engaging protrusion 36 of the lock link 34 engages with the engagement recess 32 of the second lock lever 29 to restrain and lock the second lock lever 29. 40 is a first lock release lever for locking or releasing the first lock lever 24;
It is pivotally connected to a pivot 41 protruding from 9. The first lock release lever 40 has an engagement protrusion 42 that engages with the engagement recess 27 of the first lock lever 24 on the upper surface of the right end, a bent locking arm 43 on the lower part, and a first locking arm 43 on the lower left end. An operating arm 44 is formed. The locking arm 43 of this first lock release lever 40
A spring 45 is stretched between the locking arm 28 of the first lock lever 24 and the locking arm 28 of the first lock lever 24.
A clockwise rotational force is always applied to the first lock release lever 40, and a counterclockwise rotational force is always applied to the first lock release lever 40. When the back door 13 is closed, the engagement protrusion 42 of the first lock release lever 40 releases the first lock lever 40. 24 to restrain and lock the first lock lever 24. Reference numeral 46 designates a second lock release lever for releasing the lock link 34, and is pivotally connected to a pivot shaft 25 protruding from the first base 19. The second lock release lever 46 has an extended operating arm 47 for swinging the lock link 34 to the right, and a second operating arm 48 extended from its lower part. and second lock release lever 4
A spring 49 is stretched between the operating arm 47 of the lock release lever 46 and the first base 19 to constantly apply clockwise rotational force to the second lock release lever 46.
7 is separated from the engagement arm 38 of the lock link 34. Also, the first operating arm 44 of the first lock release lever 40 and the second operating arm 4 of the second lock release lever 46
8 and are arranged opposite to each other on the same vertical plane with an appropriate distance therebetween. 50 is the first lock release lever 4
The first base 19 is a slider guide arranged horizontally at the bottom of the 0 and second lock release levers 46.
It is fixedly installed in A slider 51 is slidably mounted inside the slider guide 50, and is arranged between the first operating arm 44 of the first lock release lever 40 and the second operating arm 48 of the second lock release lever 46, and is located on the rear surface. The protrusion 52 formed in the first
It is brought into contact with the operating arm 44 and the second operating arm 48 . 53 is a push-pull cable for moving the slider 51, one end of which is connected to the slider 51, and the other end connected to an operating lever (not shown) provided inside the vehicle interior. Therefore, when the operating lever is operated, the push-pull cable 53 moves in the horizontal direction, and the slider 51 is moved. The push-pull cable 53 is pulled and the slider 51
When the lever is moved to the right in the figure, the slider 51 swings the second lock release lever 46 counterclockwise (in the lock release direction). When pressed in the opposite direction and moves the slider 51 to the left, the slider 5
1, the first lock release lever 40 is swung clockwise (in the lock release direction).

In the locking device having the above structure, when both the back door 13 and the luggage door 16 are closed, the first
The striker 22 is held in the lock groove 26 of the first lock lever 24, and the engagement protrusion 42 of the first lock release lever 40 engages with the engagement recess 27 of the first lock lever 24 to restrain the first lock lever 24. Then, the back door 13 is locked, and at the same time, the lock pin 23b of the second striker 23 is held in the lock groove 31 of the second lock lever 29, and the engagement protrusion 36 of the lock link 34 is held in the engagement recess 32 of the second lock lever 29. The second lock lever 29 is engaged with the second lock lever 29, and the luggage door 16 is locked.

When opening the back door 13, the operator operates the operating handle to push the push-pull cable 53 and move the slider 51 to the left. Then, the first lock release lever 40 is swung clockwise by the slider 51, and the engagement protrusion 42 of the first lock release lever 40 is separated from the engagement recess 27 with which the first lock release lever 24 is engaged. At the same time, the first lock lever 24 is pulled by the spring 45 and swung slightly clockwise to tilt the lock groove 26 upward. When the back door 13 is then opened, the first striker 22 swings the first lock lever 24 and rises, disengaging from the lock groove 26 and opening the back door 13. Conversely, when the back door 13 is closed, the first striker 26 moves to the first lock lever 24.
into the lock groove 26 of the first lock lever 24, press it down and swing it counterclockwise, and at the same time as the closing of the door 13 is completed, the engagement recess 27 of the first lock lever 24 will be locked into the first
Since the back door 13 is engaged and restrained by the engagement protrusion 42 of the lock release lever 40, the back door 13 is automatically locked.

When opening the luggage door 16, operate the operating lever in the opposite direction to the push-pull cable 53.
to move the slider 53 to the right.
Then, the slider 53 swings the second lock release lever 46 counterclockwise, and the operating arm 47 of the second lock release lever 46 pushes the engagement arm 38 of the lock link 34, causing the lock link 34 to move clockwise. When the lock link 34 is swung, the engagement protrusion 36 of the lock link 34 separates from the engagement recess 32 of the second lock lever 29 to open the second lock lever 29. At the same time, the spring 39 pulls the second lock lever 29 slightly clockwise. and tilt the lock groove 31 upward. After that, when the luggage door 16 is opened, the second striker 23 is moved to the second lock lever 29.
The luggage door 16 is lifted up while being swung, disengaged from the lock groove 31, and the luggage door 16 is opened. Conversely, when the luggage door 16 is closed, the locking pin 23b of the second striker 23 enters the locking groove 31 of the second locking lever 29, pushing it down and swinging it counterclockwise. The luggage door 16 is automatically locked because the engagement recess 32 of the lock link 34 engages and is restrained by the engagement protrusion 36 of the lock link 34.

During the above operation, when the back door 13 is opened, the lock link 34 moves together with the back door 13, and the second
Since the edge is completely cut off from the lock release lever 46, even if the second lock release lever 46 is swung by operating the operating lever, the lock link 34 will not swing and the luggage door 13 will remain locked to the back door 16. is maintained.

Note that a push-pull rod may be used for the push-pull cable 53.

Effects of the invention According to this invention, the first opening/closing door or the second opening/closing door can be arbitrarily opened by operating the operating lever provided in the vehicle interior, pushing and pulling the push-pull cable, and moving the slider. This improves operability. Furthermore, the structure is simple and assembly is easy.

[Brief explanation of the drawing]

FIG. 1 is a longitudinal sectional front view of a locking device according to the present invention, FIG. 2 is a longitudinal sectional side view of the locking device, and FIGS. 3 and 4 are perspective views of essential parts of an automobile equipped with two opening/closing doors. 10...Vehicle body, 13...First opening/closing door, 16...
...Second opening/closing door, 24...First lock lever, 2
9...Second lock lever, 34...Lock link, 40...First lock release lever, 46...Second lock release lever, 50...Slider guide, 51...Slider, 53...Push-pull cable.

Claims (1)

[Scope of utility model registration request] Used in an automobile in which a first opening/closing door is provided in the vehicle body so as to be openable and closable, and a second opening/closing door is provided in the opening of the first opening/closing door so as to be openable/closable, and the second opening/closing door is provided on the underside of the first opening/closing door. a first striker provided on the lower surface of the second opening/closing door; a first lock lever that is swingably provided on the vehicle body and locks the first striker; a second lock lever that is movably provided and locks the second striker; a lock link that is swingably provided near the second lock lever and locks the second lock lever; and a lock link that swings to face the vehicle body. a first lock release lever that is movably provided and that locks or releases the first lock lever; and a second lock release lever that swings the lock link in the release direction;
A slider guide provided on the vehicle body so as to be close to the first lock release lever and the second lock release lever and along the swinging direction thereof, and a slider guide provided between the first lock release lever and the second lock release lever. A push-pull cable that is interlocked with an operating lever provided inside the vehicle, and slides the slider to swing the first lock release lever or the second lock release lever. A locking device for an opening/closing door characterized by the following configuration.