JPS62146379A - Door locking device for car - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed description of the invention] (Industrial application field) The present invention relates to a door lock device for a vehicle.

(Prior Art) This type of device includes a latch that engages and rotates with a striker on the vehicle body side, a ratchet that engages with the latch,
A release lever is connected to the inner handle and the outer handle and swings to release the engagement of the ratchet, and a locking lever is connected to the door lock knob and the cylinder lock and swings to completely nullify the swing of the release lever. is attached to the door lock case, and its release lever and locking lever are pivoted on the outside of the back of the case in which the latch and ratchet are housed so that they swing parallel to the latch and ratchet. General.

(Problem to be solved by the invention) Therefore, in order to increase the strength of the back of the case, the opening lever, locking lever, and T-shaft are supported on the back of the case by mounting the metal board on the board, which makes the installation complicated and heavy. However, the opening lever and locking lever, which are mounted outside the case, require waterproof measures.

(Means for Solving the Problems) The present invention aims to solve the above problems, and includes a latch that engages and rotates with a striker on the vehicle body side, and a ratchet that engages with the latch. , an opening lever that swings while being connected to the inner handle and the outside handle to release the engagement of the ratchet, and a locking lever that swings while being connected to the lock knob and the cylinder lock to nullify the swinging of the opening lever. In the vehicle door lock device, the latch and the ratchet are pivotally supported in the case parallel to the back plate of the case, and the opening lever and the locking lever are attached to the case (11 face plate). It is characterized by being pivotally supported within the case parallel to.

(Example) An example of the present invention will be explained below based on all the drawings (1)
is a door lock case, the case (1) has an insertion opening (3) for the striker (2) on the vehicle body side opened on one side,
A mounting part (4) of a metal cover for mounting on the vehicle body (not shown) is formed in a substantially rectangular synthetic resin casing that opens at the front, and a striker (2) is fitted inside the case (1). The latch (6) rotates against the return spring (5), and the latch (6) rotates against the return spring (5).
A ratchet (8) that engages with the stepped portion when rotated by (6) and rotates against the return spring (7) is attached to each support shaft that is pivotally supported on the back surface of the case (1) and the cover. (6a) (8a) 'r
: A release lever (9) is rotatably supported through the case (1) and swings to completely release the engagement of the ratchet (8) with the latch (6); The locking lever (II) that swings to nullify the swing of the case (9) is connected to the upper rotation shaft (
111 and a lower rotating wheel (lz) that is pivotally supported on both sides of the lower part of the case (1). An inner handle lever (13) connected to the handle and an outer handle lever (14) connected to the outer handle outside the vehicle interior are attached, and a shaft end protruding outside the case (1) of the lower rotation shaft az is connected to a lock knob inside the vehicle interior. Knob lever a9 and cylinder lock lever σG connected to the cylinder lock outside the vehicle compartment are installed, and the opening lever (9) and locking lever αω are attached to one surface where the striker insertion port (3) of the case (1) opens. connected via a connecting member α7) disposed along the other side facing the
The member (17) and the locking lever (1 (e) are loosely connected via a bottle bar provided on one side and a long groove j provided on the other side, and the locking lever (11) is connected with a branch on its shaft support. The protruding branch piece (10a) i grips the plate-shaped moderation spring ■ attached to the case (1) with the branch piece (10a), and the locking lever 0I is turned each time by the operation of the lock knob or cylinder lock. provided to swing when biased to a moving position;
Further, the connecting member (17) is provided with an engagement groove tx1), and the ratchet (8) is provided with a swing piece @ to be engaged and disengaged by the swing of the locking lever αC in the engagement groove (2B). Furthermore, the engagement groove (21) is provided with a block wall (21a) that interferes with the swinging piece (27J) to prevent keyless locking by the lock knob when the door is opened.
is provided.

In the figure, [Yes] indicates a return spring 12 provided on the upper rotation shaft (11).
4J indicates a stopper for a latch (6) provided on the case, and 4 indicates a stopper for a ratchet (8) also provided on the case.

Next, to explain the entire operation, the opening of the door shown in Figures 1 and 2,
In the unlocked state, the latch (6) and ratchet (8)
and the upper rotating shaft (111 are held in the returned state by their respective return springs, thus ratcheting) (The other end of the swinging opening connected to one end of 81VC rises, and the opening lever on the upper rotating wheel αυ (9) Connecting member (1
7) descends, and the swinging piece '27J engages with the engagement groove ■υ of the connecting member (i force) and is interfered with by the block wall (21a), stopping the movement of the locking lever (101). When the striker is released, the lock knob operation is disabled.From this state, as shown in Figures 3 and 4 [In the half-locked state of the iM, the latch (6) and the ratchet (8) are each set to the return spring by the striker (2). The other end of the swinging piece ■, which rotates against the resistance and engages with the first stage engaging portion of the latch (6), and thus has one end connected to the ratchet (8), descends and engages the connecting member ( The latch (6) contacts the lower edge of the engagement groove (21) of the latch (17) and is prevented from interfering with the block wall (21a). The ratchet (8) is engaged with the second-stage engaging portion of the latch (6), and one end is connected to the ratchet (8). The opening lever (9) is engaged with the engagement groove eυ of the connecting member (17), and in this state, the upper rotating shaft (111) rotates against the return spring by the operation of the inner handle or the outer handle. A rocking piece @ that swings upward to pull up the connecting member (17) and engages with the engagement groove (2I) of the member fin.
The other end is raised and released by the engagement of the ratchet (8) with the latch (6), returning the door to the open and unlocked states shown in Figures 1 and 2. From the fully locked state shown in the figure, the locking lever f is rotated by the lower rotation shaft az, which is rotated by the operation of the lock knob or cylinder lock, as shown in Figures 7 and 8.
il+ lowers the lower part of the connecting member (17) toward the back of the case, and as a result, the engagement groove (21) and the swinging piece (221) are defective, and the swinging piece is closed by the inner handle and the outer handle. The swing of (2), that is, the swing of the release lever (8), is disabled and the door lock '5C is locked.

The keyless lock, which locks without using a key, is used when the striker (2) is in the open state (door open state A-fs) as shown in Figure 1.
? ^L) -1-L or n-7J? 1 piece no, fu) + b
When the upper rotating shaft (111) is pulled, the upper rotating shaft (111) is moved completely upward via the opening lever (9) ft protruding from the shaft (ill), and the swinging piece (221 and the block wall (2
1a) and lock lever (I) by operating the lock knob.
By enabling the rotation (2) and pushing the connecting member (17) toward the bottom of the case, and then fully closing the door, the latch engages with the striker and enters the locked state as shown in Figure 7.8, completing the keyless lock.

A keyless lock is a means of locking the vehicle without using a key when leaving the vehicle, but in order to prevent locking in due to the key being forgotten in the vehicle, the keyless lock is a means of locking the vehicle without using a key when exiting the vehicle. The lock knob is pushed in.

(Effects of the Invention) According to the present invention, the latch (6) that engages with the striker (2) and rotates, and the ratchet (8) that engages with the latch (6) are connected to the back plate of the case. A release lever (9) that is pivoted in the case (1) in parallel with the case (1) and releases the engagement of the ratchet (8), and a locking lever (10) that disables the swing of the release lever (9) are attached to the case (1). Since it is pivoted inside the case (1) parallel to the side plate of
6) and ratchet (8), as well as the opening lever (9) and locking lever αQt-, which are pivoted on the back of the case.
9) and the locking lever are attached, not only is the installation easier and the weight can be reduced.
Since these opening lever (9) and locking lever 0G are stored inside the case, these levers (9)
[This has the effect of preventing malfunction due to rust or freezing and making it easier to take waterproof measures. Also, the stone connecting member αη that connects the opening lever (9) and the locking lever 0 is a striker inserted. Since the opening (3) is arranged on the other side opposite to the one side of the case where the opening (3) is opened, the connecting member (L7) can be arranged compactly and the device can be miniaturized. A swinging piece (2) is connected to the connecting member a7) so as to move up and down with the swinging of the opening lever (9) and move back and forth with the swinging of the locking lever aω, and is connected to the connecting member a7).
Engagement groove for engaging z (2υ metal is provided, and the engagement groove Qυ
Since the locking lever (1 (l) is engaged and disengaged from the rocking piece @ by swinging, the engagement and disengagement mechanism using the locking lever Iiα is easily formed, and the knob cannot be pushed in unless the handle is pulled. It also has the advantage of being equipped with a keyless lock mechanism.

[Brief explanation of drawings]

The drawings show one embodiment of the present invention; FIG. 1 is a front view showing the opening door and the unlocking shape 8; FIG. 2 is a side view of the main parts of FIG. 1;
Figure 3 is a front view showing the half-locked state, and Figure 4 is the front view showing the half-locked state.
Figure 5 is a front view showing the main part in the fully locked state, Figure 6 is a side view of the main part in Figure 5, Figure 7 is a front view showing the fully locked state, and Figure 8 is a front view showing the main part in the fully locked state. 11 of the main part of Figure 7
This is Figure III@J.

Claims (1)

[Claims] 1. A latch that engages and rotates with a striker on the vehicle body side;
A ratchet that engages with the latch, an opening lever that is connected to the inner handle and the outer handle to swing to release the engagement of the ratchet, and a lock knob and a cylinder lock to disable the swing of the opening lever. In a vehicle door lock device in which a locking lever that is connected and swings is attached to a door lock case, the latch and the ratchet are pivotally supported in the case parallel to a back plate of the case, and the opening lever and the locking lever are pivoted in the case. A vehicle door lock device characterized in that a lever is pivotally supported within a case parallel to a side plate of the case. 2 A latch that engages and rotates with the striker on the vehicle body,
A ratchet that engages with the latch, an opening lever that is connected to the inner handle and the outer handle to swing to release the engagement of the ratchet, and a lock knob and a cylinder lock to disable the swing of the opening lever. In a vehicle door lock device in which a locking lever that is connected and swings is attached to a door lock case, the latch and the ratchet are pivotally supported in the case parallel to a back plate of the case, and the opening lever and the locking lever are pivoted in the case. The levers are each pivotably supported in the case parallel to the side plate of the case, and the connecting member connecting the opening lever and the locking lever is placed on the other side opposite to the one side of the case where the striker insertion opening opens. A vehicle door lock device characterized in that: 3 A latch that engages and rotates with the striker on the vehicle body,
A ratchet that engages with the latch, an opening lever that is connected to the inner handle and the outer handle to swing to release the engagement of the ratchet, and a lock knob and a cylinder lock to disable the swing of the opening lever. In a vehicle door lock device in which a locking lever that is connected and swings is attached to a door lock case, the latch and the ratchet are pivotally supported in the case parallel to a back plate of the case, and the opening lever and the locking lever are pivoted in the case. A connecting member is provided in which a lever is pivotally supported in the case parallel to the side plate of the case, the opening lever and the locking lever are moved up and down by the swinging of the opening lever, and the connecting member is moved back and forth by the swinging of the locking lever. an engaging groove for engaging a swinging piece connected to the ratchet is provided in the connecting member, and the engaging groove is engaged with and disengaged from the swinging piece by swinging the locking lever. A vehicle door lock device characterized by: 4. The vehicle door lock device according to claim 3, wherein the engagement groove is provided with a block wall for interfering with the swinging piece.