CN104948041A - Unlocking mechanism of automobile door lock - Google Patents

Abstract

The invention discloses an unlocking mechanism of an automobile door lock, which comprises a base, a locking mechanism, a locking actuating rod, an outer door handle connecting rod, an inner door handle connecting rod, a releasing actuating rod and an unlocking connecting rod, wherein the locking mechanism is arranged on the base and comprises a releasing push rod capable of pivoting, and the releasing push rod can longitudinally displace along the releasing push rod; the middle sections of the locking actuating rod, the outer door handle connecting rod and the inner door handle connecting rod are respectively pivoted on the seat body, and one part of the inner door handle connecting rod is abutted against one end of the outer door handle connecting rod; one end of the release actuating rod is pivoted with one end of the locking actuating rod, the other end of the release actuating rod is pivoted with the other end of the outer door handle connecting rod, the release actuating rod can be driven by the locking actuating rod to pivot relative to the outer door handle connecting rod to align with the release push rod, and the release actuating rod can be driven by the outer door handle connecting rod to push the release push rod to pivot; one end of the unlocking connecting rod is pivoted with one end of the inner door handle connecting rod, and the other end of the unlocking connecting rod is linked with the other end of the locking actuating rod. The present invention relates to an automobile door lock capable of releasing a lock by pulling an inner door handle.

Description

Unlock mechanism of car door lock

technical field

The invention relates to a car door lock, in particular to an unlocking mechanism of a car door lock which can be unlocked by pulling the inner door handle.

Background technique

Generally, when a car is running, the door locks will be locked by the central lock, so as to prevent the doors from being opened while driving to ensure driving safety. After the car is parked, it is necessary to unlock the door locks through the driver's operation of the central control lock or the passenger's operation of the lock button on the door to unlock the door locks, and then the passenger can pull the inner door handle on the door to open the door. Therefore, when the passenger gets off the car, the car door cannot be opened because he and the driver forget to unlock the door lock, causing the passenger to produce the instinctive reaction of continuously pulling the inner door handle.

In view of this, the inventor of the present invention has focused on the above-mentioned prior art, and combined with the application of theories, tried his best to solve the above-mentioned problems, which became the goal of the inventor's improvement.

Contents of the invention

The main purpose of the present invention is to provide an unlocking mechanism for a car door lock, which can unlock the car door lock by pulling the inner door handle.

In order to achieve the above object, the present invention provides an unlocking mechanism of a car door lock, which is used to clamp a hook, wherein the unlocking mechanism of the car door lock includes:

a body;

a locking mechanism for clamping the locking hook, the locking mechanism is arranged on the base body, and the locking mechanism also includes a release push rod capable of pivoting so that the locking mechanism releases the locking hook, and The release push rod is displaceable along its longitudinal direction;

a locking actuating rod, the middle section of which is pivotally arranged on the seat;

an outer door handle link, the middle section of the outer door handle link is pivotally arranged on the seat body;

an inner door handle link, the middle section of the inner door handle link is pivotally arranged on the seat body and a part of the inner door handle link abuts against one end of the outer door handle link;

A release actuation lever, one end of the release actuation lever links one end of the lock actuation lever, the other end of the release actuation lever is pivotally connected to the other end of the outer door handle link, the release actuation lever can be the lock actuation lever is driven to pivot relative to the outer door handle link to align with the release push rod, and can be driven by the outer door handle link to push the release push rod to pivot; and

An unlocking link, one end of the unlocking link is pivotally connected to one end of the inner door handle link, and the other end of the unlocking link is linked to the other end of the locking actuation lever.

The lock mechanism includes a lock plate and a pinch plate, the lock plate, the pinch plate and the release push rod are respectively pivoted on the base body, the lock plate and the pinch plate cooperate with each other to clamp the lock hook, the The release push rod links the lock plate to rotate the lock plate to release the locking hook.

The lock plate and the release push rod are coaxially pivoted to the seat body and can pivot in mutual linkage.

One end of the release push rod is pivotally connected to the seat body, and a contact block protrudes from the release push rod.

The release push rod is coaxially pivoted to the base body with the lock plate through a pivot shaft, and a guide block is protruded from the lock plate, and a slide groove corresponding to the guide block is provided on the release push rod. A guide groove, the pivot shaft rod penetrates into the slide groove, and the guide block is located in the guide groove.

A return spring is arranged in the guide groove, the return spring is arranged along the longitudinal direction of the guide groove, and two ends of the return spring abut against the inner wall surface of one end of the guide groove and the guide block respectively.

It further includes a lock button link, the middle section of which is pivotally connected to the base body, and one end of the lock button link links the other end of the lock actuating rod.

The unlocking link abuts against a part of the lock button link so as to link the locking actuating lever.

The lock link is provided with an actuation hole, and the lock button link passes through the actuation hole.

The lock actuation lever is pivotable between a locked position and an actuated position, when the lock actuation lever is in the locked position, the release actuation lever is misaligned with the release pushrod, when the lock actuation The release actuation lever is aligned with the release pushrod when the lever is in the actuated position.

A chute is provided on the release actuating rod, an actuating shaft is provided on the locking actuating rod, and the actuating shaft is passed through the chute.

After adopting the above solution, when the door is closed and locked, the unlocking mechanism of the car door lock of the present invention can pull the inner door handle link once to drive the unlocking link and the locking actuating lever, thereby unlocking the release actuating lever , when the inner door handle link is pulled again, the release actuating lever can be driven to push the release push rod to release the lock hook, thereby unlocking the car door lock.

Description of drawings

Fig. 1 is a three-dimensional schematic diagram of an unlocking mechanism of an automobile door lock according to a preferred embodiment of the present invention;

2 is a three-dimensional exploded schematic diagram of an unlocking mechanism of a car door lock according to a preferred embodiment of the present invention;

Fig. 3 is another schematic perspective view of the unlocking mechanism of the automobile door lock according to the preferred embodiment of the present invention;

Fig. 4 is a schematic diagram of the locking actuating lever in the locking position in a preferred embodiment of the present invention;

5 is a schematic diagram of an unlocking action of the unlocking mechanism of the automobile door lock according to a preferred embodiment of the present invention;

6 is a schematic diagram of another unlocking action of the unlocking mechanism of the car door lock according to the preferred embodiment of the present invention;

7 is a schematic diagram of another unlocking action of the unlocking mechanism of the automobile door lock according to a preferred embodiment of the present invention;

Fig. 8 is a schematic diagram of the locking actuating lever in the actuating position in a preferred embodiment of the present invention;

Fig. 9 is a schematic diagram of a door opening action of the unlocking mechanism of the automobile door lock according to a preferred embodiment of the present invention;

Fig. 10 is a schematic diagram of a door opening action of the unlocking mechanism of the automobile door lock according to the preferred embodiment of the present invention.

Detailed ways

Referring to Fig. 1 and Fig. 2, a preferred embodiment of the present invention provides an unlocking mechanism of a car door lock, the car door lock is arranged on a car door, and a lock hook on the car door frame corresponding to the car door correspond. When the car door is closed, the lock hook snaps into the car door lock and is clamped and fixed by the car door lock. In this embodiment, the unlocking mechanism of the automobile door lock of the present invention includes a base body 100, a locking mechanism 200, a locking actuating rod 300, a lock button connecting rod 400, an outer door handle connecting rod 600, an inner The door handle link 500 , a release actuation lever 700 and an unlock link 800 .

The seat body 100 is preferably formed by cutting and bending a metal plate, and at least a part of the metal plate is covered with a plastic shell.

The locking mechanism 200 is disposed on the base body 100 and is used for clamping the aforementioned locking hook. The locking mechanism 200 includes a buckle plate 210, a lock plate 220 and a release push rod 230. The buckle plate 210, the lock plate 220 and the release push rod 230 are respectively pivotally arranged on the seat body 100, so that the buckle plate 210 and the lock plate 220 can be rotate on the same plane. The lock plate 220 and the release push rod 230 are coaxially pivoted to the base body 100 , and a guide block 221 protruding from the lock plate 220 penetrates the release push rod 230 , so that the two can pivot with each other. A buckle groove 211 is provided on the buckle plate 210 for the lock hook to hook in. A return spring is provided on the rotation shaft of the buckle plate 210 so that the buckle groove 211 of the buckle plate 210 is away from the lock plate 220 when it is in a free state. After the lock hook hooks into the buckle groove 211, it pushes the buckle plate 210 to rotate, and the buckle plate 210 pushes the lock plate 220 to rotate in cooperation, so that the edge of the lock plate 220 is blocked at the opening of the buckle groove 211 on the edge of the buckle plate 210, and the lock plate 220 is locked. Insert the gusset plate 210 to fix the gusset plate 210, thereby clamping the lock hook. When the release push rod 230 rotates, it can be linked with the rotation of the lock plate 220 to release the rotation of the pinch plate 210 , so that the pinch slot 211 turns away from the lock plate 220 to release the lock hook.

One end of the release push rod 230 is pivotally connected to the seat body 100 by a pivot shaft 231, a chute 232 is provided on one end of the release push rod 230, and a corresponding guide block 221 is provided on the other end of the release push rod 230. A guide groove 233, and an abutment block 234 disposed opposite to the guide groove 233 protrudes from the end, the pivot shaft 231 penetrates into the slide groove 232 and can move along the slide groove 232 in the slide groove 232 The guide block 221 is located in the guide groove 233 and can move in the guide groove 233 along the longitudinal direction of the guide groove 233, thereby enabling the release push rod 230 to move longitudinally. A return spring 235 is arranged in the guide groove 233 along its longitudinal direction, and the two ends of the return spring 235 abut against the inner wall surface of one end of the guide groove 233 and the guide block 221 respectively, so that the release push rod 230 is pushed and then released. Can be moved back to original position.

The locking actuating rod 300 is a metal curved rod. The middle section of the locking actuating rod 300 is pivotally disposed on the base body 100 , and the locking actuating rod 300 can pivot between a locking position and an actuating position. One end of the locking actuating lever 300 is provided with an actuating shaft 310 , and the other end of the locking actuating lever 300 is defined with an actuating hole 320 .

The locking button connecting rod 400 is a metal curved rod, the middle section of the locking button connecting rod 400 is pivotally connected to the seat body 100, and one end of the locking button connecting rod 400 penetrates into the actuating hole 320 to link the locking actuating rod 300, The other end of the lock button link 400 is connected to a lock button on the door.

The outer door handle connecting rod 600 is a curved metal rod, the middle section of the outer door handle connecting rod 600 is pivotally arranged on the seat body 100, and the outer door handle connecting rod 600 is provided with a return spring, so that it can move back after being pushed and released. to the original position.

The inner door handle connecting rod 500 is a metal curved rod, the middle section of the inner door handle connecting rod 500 is pivotally arranged on the seat body 100, and one end of the inner door handle connecting rod 500 is connected to an inner door handle on the car door.

The release actuation lever 700 is a metal curved lever, and one end of the release actuation lever 700 is provided with a chute 710, and the other end of the release actuation lever 700 is pivotally connected to the other end of the outer door handle link 600, and The end of the door handle link 600 is connected to an outer door handle on the vehicle door, and a push arm 720 protrudes from the middle section of the release actuating rod 700 . The actuation shaft 310 on the lock actuation lever 300 is passed through the chute 710 so that the release actuation lever 700 is linked with the lock actuation lever 300, and the release actuation lever 700 can be driven by the lock actuation lever 300 to move toward each other. The outer door handle link 600 pivots to push against the release push rod 230 and can be driven by the outer door handle link 600 to push the release push rod 230 to pivot.

When the locking actuating lever 300 is in the locking position, the release actuating lever 700 is not aligned with the release push rod 230, and when the locking actuating lever 300 is in the actuating position, the releasing actuating lever 700 is aligned with the initial position of the abutment block 234 and When the release actuating rod 700 moves, it can push against the abutment block 234 to push the release push rod 230 .

The unlocking link 800 is a curved rod made of plastic, one end of the unlocking link 800 is pivotally connected to the other end of the inner door handle link 500 and a part of this end of the inner door handle link 500 abuts against the outer door handle link 600 and The opposite end of the actuation rod 700 is released. Therefore, rotating the inner door handle link 500 can simultaneously drive the unlocking link 800 and push the outer door handle link 600 to rotate; but rotating the outer door handle link 600 will cause the inner door handle link 500 to separate from it and not move. The other end of the unlocking link 800 abuts against a part of the lock button link 400 to link the locking actuating lever 300 .

Referring to Fig. 3 and Fig. 4, it is the closed and locked state of the car door. The buckle plate 210 and the lock plate 220 are relatively rotated to a position where the buckle groove 211 is closed, and the locking actuating lever 300 is pivoted to a locked position. The release actuation lever 700 is driven by the lock actuation lever 300 to rotate relative to the outer door handle link 600 , thereby causing the push arm 720 to misalign with the abutment block 234 . When the outer door handle is pulled, the outer door handle link 600 is driven to rotate and pushes the release actuating rod 700 toward the release push rod 230, because the push arm 720 is not aligned with the abutment block 234, so the release actuating rod 700 cannot be pushed The push rod 230 is released so that the locking mechanism 200 releases the hook.

5 to 7 are schematic diagrams of the unlocking mechanism of the car door lock when the inner door handle is pulled once in the aforementioned state. Referring to Fig. 5, the inner door handle link 500 is driven to rotate by the inner door handle, which drives the outer door handle link 600 to rotate and pushes the release actuating rod 700 toward the release push rod 230, since the push arm 720 is not aligned with the abutment block 234 , so the push arm 720 passes through one side of the abutting block 234 without pushing the release push rod 230 .

Referring to FIG. 6 , the inner door handle link 500 simultaneously pulls the unlocking link 800 so that the unlocking link 800 pushes against the lock button link 400 to rotate, thereby driving the locking actuating lever 300 to rotate to the actuated position. Therefore, the release actuation lever 700 is driven by the lock actuation lever 300 to pivot relative to the outer door handle link 600 so that the side edge of the push arm 720 abuts against the abutment block 234 .

Referring to FIG. 7 , the locking actuating lever 300 rotates to the actuating position and drives the releasing actuating lever 700 to continue pivoting relative to the outer door handle link 600, so that the side edge of its push arm 720 pushes the abutment block 234 along the release push. The longitudinal movement of the rod 230 makes the abutting block 234 make room for the pivoting action of the push arm 720 .

Referring to FIG. 8 , when the inner door handle is released, the outer door handle link 600 is rotated and reset, and at the same time, the release actuating rod 700 is driven away from the release push rod 230 . When the push arm 720 leaves the abutting block 234 , the release push rod 230 returns to a reset position so that the abutting block 234 is aligned with the push arm 720 .

Referring to FIGS. 9 and 10 , the inner door handle is pulled again to rotate the inner door handle link 500 , which simultaneously pushes the outer door handle link 600 to rotate to push the release actuating rod 700 toward the release push rod 230 . Since the abutment block 234 is aligned with the push arm 720 after the inner door handle was pulled last time, the push arm 720 can be pushed against the abutment block 234 to rotate the release push rod 230 when the inner door is pulled this time. The movable locking plate 220 is rotated to release the pinch plate 210 to be rotated and reset to release the locking hook.

When the door is closed and locked, the unlocking mechanism of the automobile door lock of the present invention can pull the inner door handle link 500 once to drive the unlocking link 800 and the locking actuation lever 300, thereby unlocking the release actuation lever 700. When the inner door handle link 500 is pulled again, the release actuating rod 700 can be driven to push the release push rod 230 to release the lock hook. The passenger cannot open the door by pulling the inner door handle once, so it can prevent accidental opening of the door while driving; if the passenger forgets to unlock the door and pulls the inner door handle when getting out of the car, although the door cannot be opened immediately, the door has been unlocked, so it can be used according to its instinctive reaction. Pull the inner door handle once to open the door.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the patent scope of the present invention. Other equivalent changes using the patent spirit of the present invention all belong to the patent scope of the present invention.

Claims (11)

1. A kind of unlocking mechanism of automobile door lock, described automobile door lock is used for clamping a lock hook, it is characterized in that: the unlocking mechanism of this automobile door lock comprises: a body; a locking mechanism for clamping the locking hook, the locking mechanism is arranged on the base body, and the locking mechanism also includes a release push rod capable of pivoting so that the locking mechanism releases the locking hook, and The release push rod is displaceable along its longitudinal direction; a locking actuating rod, the middle section of which is pivotally arranged on the seat; an outer door handle link, the middle section of the outer door handle link is pivotally arranged on the seat body; an inner door handle link, the middle section of the inner door handle link is pivotally arranged on the seat body and a part of the inner door handle link abuts against one end of the outer door handle link; A release actuation lever, one end of the release actuation lever links one end of the lock actuation lever, the other end of the release actuation lever is pivotally connected to the other end of the outer door handle link, the release actuation lever can be the lock actuation lever is driven to pivot relative to the outer door handle link to align with the release push rod, and can be driven by the outer door handle link to push the release push rod to pivot; and An unlocking link, one end of the unlocking link is pivotally connected to one end of the inner door handle link, and the other end of the unlocking link is linked to the other end of the locking actuation lever. 2. The unlocking mechanism of an automobile door lock as claimed in claim 1, wherein the locking mechanism comprises a locking plate and a locking plate, and the locking plate, the locking plate and the release push rod are respectively pivoted on the The seat body, the lock plate and the pinch plate cooperate with each other to clamp the lock hook, and the release push rod is linked with the lock plate to rotate the lock plate to release the lock hook. 3. The unlocking mechanism of an automobile door lock as claimed in claim 2, wherein the lock plate and the release push rod are coaxially pivoted to the base body so as to be able to pivot in conjunction with each other. 4. The unlocking mechanism of an automobile door lock as claimed in claim 3, wherein one end of the release push rod is pivotally connected to the seat body, and an abutment block is protruded on the release push rod. 5. The unlocking mechanism of an automobile door lock as claimed in claim 4, wherein the release push rod is pivotally connected to the seat body coaxially with the lock plate by means of a pivot shaft, and a protrusion is provided on the lock plate As for the guide block, a slide slot and a guide slot corresponding to the guide block are provided on the release push rod, the pivot shaft rod penetrates into the slide slot, and the guide block is located in the guide slot. 6. The unlocking mechanism of the automobile door lock as claimed in claim 5, characterized in that: a return spring is arranged in the guide groove, the return spring is arranged along the longitudinal direction of the guide groove, and the two ends of the return spring respectively abut against the inner wall surface of one end of the guide groove and the guide block. 7. The unlocking mechanism of the automobile door lock as claimed in claim 1, further comprising a lock button link, the middle section of the lock button link is pivotally connected to the seat body, and one end of the lock button link Link the other end of the lock actuator lever. 8. The unlocking mechanism of an automobile door lock as claimed in claim 7, wherein the unlocking link abuts against a part of the lock button link so as to link the locking actuating lever. 9. The unlocking mechanism of an automobile door lock as claimed in claim 8, wherein an actuation hole is defined in the locking link, and the lock button link penetrates into the actuation hole. 10. The unlocking mechanism of an automobile door lock as claimed in claim 1, wherein the locking actuating lever can pivot between a locking position and an actuating position, when the locking actuating lever is in the locking position When the release actuation lever is not aligned with the release pushrod, when the lock actuation lever is in the actuated position, the release actuation lever is aligned with the release pushrod. 11. The unlocking mechanism of an automobile door lock as claimed in claim 1, wherein a chute is provided on the release actuating rod, an actuating shaft is provided on the locking actuating rod, and the actuating shaft passes through located in the chute.