CN102864993B - Inside open and two draw opening door lock - Google Patents

Abstract

The invention discloses an inward-opening double-pull door lock, which comprises an electric actuator and a lock body. The electric actuator includes an actuator body and a switch assembly. Relays, locking relays, opening webs, locking webs, pawls, ratchets and lock blocks. Compared with the prior art, the inwardly opening double-pull door lock has the characteristics of simple structure, easy realization and low manufacturing cost, and its transmission is stable and reliable, with low failure rate and long service life.

Description

Inward opening double pull to open the door lock

technical field

The invention relates to a door lock, in particular to an interior double-pull door lock for automobiles.

Background technique

Along with the development of economy and the advancement of science, automobiles have gradually become an indispensable means of transportation for people to go out, and cars have gradually become popular in people's lives and become people's means of transportation. Among them, the car door lock is an important part to ensure the safety of car driving.

At present, some domestic automobiles require that the design of the door lock has the function of double-pull opening of the inner opening, that is, the passenger can complete the unlocking operation by pulling the inner handle for the first time, and complete the action of opening the door when pulling the inner handle for the second time; Unlocking device, inner opening and double-pull opening are more convenient for passengers to complete the door opening action in an emergency. At the same time, compared with single-pull opening, double-pull opening can effectively prevent the occurrence of misoperation to open the door. However, the existing inward-opening double-pull door locks have the problems of complex structure, high manufacturing cost, unstable transmission and high failure rate.

Contents of the invention

The object of the present invention is to solve the above problems and provide an inwardly opening double-pull openable door lock to solve the problems of the existing inwardly open double-pull openable door locks with complex structure, high manufacturing cost, unstable transmission and high failure rate.

The purpose of the present invention is to realize through the following technical solutions:

An inward-opening double-pull door lock, including an electric actuator and a lock body, the electric actuator includes an actuator body and a switch assembly, and the lock body includes an inward-opening rocker arm, a locking rocker arm, and an opening relay , a locking relay, an opening connecting plate, a locking connecting plate, a pawl, a ratchet and a lock block, the inner opening rocker arm is rotatably arranged on the base of the door lock, and a shift block is arranged on it, and the lock The anti-rocker arm is rotatably arranged on the door lock base, and a first projection and a second projection are arranged on it, the first projection is positioned at one side of the dial block, and the second projection is positioned at the locking relay. In the bayonet at one end of the moving part, the opening relay is rotatably arranged on the opening rocker shaft, and a torsion spring is sleeved on the opening rocker shaft, and one end of the torsion spring is connected with the opening relay. One end of the opening relay is located between the dial block and the first protrusion, and the other end matches the hook on the opening connecting plate, and the locking relay is rotatably arranged on the opening rocker shaft , and it cooperates with the output arm of the actuator body in transmission, and the locking relay is provided with a block, and the block is matched with the groove on the drive plate, and one end of the drive plate is rotated and set on the shaft of the open rocker arm , the other end is connected with the switch assembly, a U-shaped card slot is opened on the locking relay, and a protruding post is movable in the U-shaped card slot, and the protruding post is connected with the locking connecting plate, and the lock The stop connecting plate is rotatably arranged on the pin shaft, and one end of the pin shaft is rotatably provided with an opening connecting plate, and the locking connecting plate is provided with a limit baffle plate which restricts the rotation of the opening connecting plate, and the pin A return force spring is sleeved on the shaft, one end of the return force spring presses against the locking connection plate, the other end presses against the opening connection plate, and the other end of the pin shaft is located in the pin shaft hole on the pawl. The ratchet is rotatably arranged on the ratchet shaft, which is engaged with the ratchet which is rotatably arranged on the ratchet shaft. The ratchet is connected with the lock block, and both the ratchet shaft and the ratchet shaft are provided with a reset torsion spring.

Further, the first protrusion and the second protrusion on the locking rocker arm are arranged symmetrically.

Further, the inwardly opening rocker arm is provided with an installation hole for installing an inwardly opening handle.

Further, the output arm of the actuator body is provided with an elliptical transmission block, and the transmission block matches with the opening on the locking relay.

Further, the actuator body is integrated with the switch assembly.

Further, the switch assembly is a contact switch.

The beneficial effect of the present invention is that, compared with the prior art, the inner double-pull door lock has the characteristics of simple structure, easy realization, low manufacturing cost, stable and reliable transmission, low failure rate and long service life.

Description of drawings

Fig. 1 is a schematic structural view of opening a double-pull door lock of the present invention;

Fig. 2 is the front view of the door lock of the present invention, which is opened inwards and double-pulls;

Fig. 3 is the rear view of the door lock opened by double pulls inwardly according to the present invention;

Fig. 4 is a schematic diagram of the cooperation structure of the locking connecting plate and the opening connecting plate of the present invention;

Fig. 5 is a structural schematic diagram of the locking relay of the present invention.

In the picture:

1. Lock the rocker arm; 2. Open the rocker arm; 3. Open the relay; 4. Shift block; 5. Open the rocker shaft; 6. Open the connecting plate; 7. Catch hook; 8. Transmission block; 9 , transmission plate; 10, switch assembly; 11, output arm; 12, electric actuator; 13, locking relay; 14, locking connecting plate; 15, ratchet; 16, pin shaft; 17, ratchet; 18 , block; 19, return spring; 20, boss; 21, limit baffle; 22, opening; 23, U-shaped slot; 24, bayonet.

Detailed ways

The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and through specific implementation methods.

Please refer to Fig. 1 to Fig. 5, in this embodiment, an inwardly opening double-pull door lock includes an electric actuator 12 and a lock body, the electric actuator 12 includes an actuator body and a switch assembly 10, The actuator body is integrated with the switch assembly 10, and the lock body includes the inner opening rocker arm 2, the locking rocker arm 1, the opening relay 3, the locking relay 13, the opening connecting plate 6, the locking Connecting plate 14, ratchet 15, ratchet 17 and lock block, described inner opening rocking arm 2 is rotatably arranged on the door lock base, is provided with the installation hole that is used to install inner opening handle on it, and its lower end is provided with dial Block 4, the locking rocker arm 1 is rotatably arranged on the base of the door lock, and a first bump and a second bump are symmetrically arranged on it, and the first bump is located on the left side of the dial block 4, so The second protrusion is located in the bayonet of one end of the locking relay 13, the opening relay 3 is rotatably arranged on the opening rocker shaft 5, and the opening rocker shaft 5 is sleeved with a torsion spring, One end of the torsion spring is connected to the opening relay 3, and one end of the opening relay 3 is located between the dial block 4 and the first bump, and the other end is matched with the hook 7 on the opening connecting plate 6 , the locking relay 13 is rotatably arranged on the opening rocker shaft 5, and is provided with an opening 22 matched with the transmission block 8 on the output arm 11 of the actuator body, and the transmission block 8 It is an elliptical structure, and the locking relay 13 is provided with a block 18, and the block 18 is matched with the groove on the transmission plate 9, and one end of the transmission plate 9 is rotated and arranged on the opening rocker shaft 5, and the other One end is connected with the switch assembly 10, the switch assembly 10 is a contact switch, the locking relay 13 is provided with a U-shaped slot 23, and the U-shaped slot 23 is provided with a movable post 20, so The boss 20 is connected with the locking connecting plate 14, the locking connecting plate 14 is rotatably arranged on the pin shaft 16, and the upper end of the pin shaft 16 is rotatably provided with an opening connecting plate 6, and the locking The connecting plate 14 is provided with a limit baffle 21 that restricts the rotation of the connecting plate 6, and the pin shaft 16 is sleeved with a return spring 19, and one end of the return spring 19 is pressed against the locking connecting plate 14, and The other end presses on the opening connecting plate 6, and the lower end of the pin shaft 16 is located in the pin shaft hole on the pawl 15, and the pawl 15 is rotatably arranged on the pawl shaft, and it is arranged on the ratchet shaft with rotation. The ratchet 17 is engaged, and the ratchet 17 is connected to the lock block, and the ratchet shaft and the ratchet shaft are all provided with a reset torsion spring.

The working principle of the present invention is: when the car door is closed, the lock block drives the ratchet 17 to rotate clockwise, so that the pawl 15 engages with it; Drive the locking relay 13 to rotate counterclockwise, drive the transmission plate 9 to rotate counterclockwise, the rotation of the transmission plate 9 makes the switch assembly 10 at the other end move to the right, the relative position of the contact piece changes, and the signal is reversed, which is the lock signal At the same time, the locking relay 13 rotates counterclockwise to drive the locking connecting plate 14 to rotate clockwise, and the opening connecting plate 6 rotates clockwise to the lock stop position. When the inner opening handle is pulled for the first time, the shift block 4 at the lower end of the inner opening rocker arm 2 moves to the left, thereby driving the opening relay 3 to rotate counterclockwise around the opening rocker arm shaft 5, and at the same time driving the locking rocker arm 1 counterclockwise. Clockwise rotation, the opening relay 3 rotates so that one end of the opening relay 3 rotates above the hook 7 of the opening connecting plate 6; the locking rocker 1 rotates so that it is located in the bayonet 24 of the locking relay 13 The second bump drives the locking relay 13 to rotate clockwise, and the rotation of the locking relay 13 drives the transmission plate 9 to rotate clockwise around the opening rocker shaft 5, thereby driving the switch assembly 10 at the other end of the transmission plate 9 to move left , the relative position of the contact piece changes, and the signal is reversed, which is an unlocking signal. At the same time, the rotation of the locking relay 13 drives the protrusion 20 in the U-shaped slot 23 to rotate counterclockwise, thereby driving the locking connecting plate 14 Rotate counterclockwise around the pin shaft 16. Although the pin shaft 16 is sleeved with a return spring 19, one end presses on the locking connecting plate 14, and the other end presses on the opening connecting plate 6, but one end of the opening relay 3 is located at the opening Above the hook 7 of the connecting plate 6, the rotation of the opening connecting plate 6 is limited, and the rotation of the locking connecting plate 14 makes the limit baffle plate 21, which limits the rotation of the opening connecting plate 6, break away from the opening connecting plate 6, realizing unlocking and locking. function; loosen the inner opening handle, the inner opening rocker arm 2 resets with the inner opening handle, and the opening relay 3 resets under the action of the torsion spring set on the opening rocker arm shaft 5. At the same time, the connecting plate 6 is opened Under the action of the return spring 19, it rotates counterclockwise until it is blocked by the limit baffle 21 on the locking connecting plate 14. At this time, the hook 7 on the opening connecting plate 6 is located at the end of the opening relay 3 and its matching end. Right side; when pulling the inner opening handle for the second time, the shifting block 4 at the lower end of the inner opening rocker arm 2 is moved to the left. The end that the moving part 3 cooperates with the opening connecting plate 6 moves to the right, thereby driving the opening connecting plate 6 to move to the right. 14 all move to the right, the boss 20 on the locking connecting plate 14 moves to the right in the U-shaped draw-in groove 23, and the pin shaft 16 moves to the right, driving the ratchet 15 to rotate counterclockwise around the ratchet shaft. After the rotation, the ratchet Claw 15 is disengaged from ratchet 17, and ratchet 17 rotates counterclockwise under the action of the reset torsion spring on the ratchet shaft, thereby driving the lock block to unlock.

The above embodiments have only set forth the basic principles and characteristics of the present invention. The present invention is not limited by the above embodiments. On the premise of not departing from the spirit and scope of the present invention, the present invention also has various changes and changes. These changes and changes are all fall within the scope of the claimed invention. The protection scope of the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. open in one kind and twoly draw opening door lock, comprise YE and lock body, described YE comprises actuator body and switch module, rocking arm is opened in described lock body comprises, locking rocking arm, open servo part, locking servo part, open junction plate, locking junction plate, ratchet, ratchet and lock dog, it is characterized in that: in described, open that rocking arm is rotating to be arranged on door lock base, be provided with shifting block, described locking rocking arm is rotating to be arranged on door lock base, be provided with the first projection and the second projection, described first projection is positioned at the side of shifting block, described second projection is positioned at the bayonet socket of locking servo part one end, rotating being arranged on of described unlatching servo part is opened on rocker arm shaft, described unlatching rocker arm shaft is arranged with torsion spring, one end of described torsion spring is connected with unlatching servo part, one end of described unlatching servo part is between shifting block and the first projection, its other end matches with the grab opened on junction plate, rotating being arranged on of described locking servo part is opened on rocker arm shaft, and it coordinates with the output arm transmission of actuator body, locking servo part is provided with fixture block, described fixture block matches with the groove on driver plate, described driver plate one end is rotated to be arranged on and is opened on rocker arm shaft, the other end is connected with switch module, described locking servo part has U-shaped draw-in groove, movably projection is provided with in described U-shaped draw-in groove, described projection is connected with locking junction plate, described locking junction plate is rotating to be arranged on bearing pin, one end of described bearing pin is rotating is provided with unlatching junction plate, described locking junction plate is provided with the postive stop baffle that junction plate rotation is opened in restriction, described bearing pin is arranged with return spring, the top, one end of described return spring is pressed on locking junction plate, its other end top is pressed in opens on junction plate, the other end of bearing pin is positioned at the pin shaft hole on ratchet, described ratchet is rotating to be arranged on pawl axis, it is meshed with the rotation ratchet be arranged on ratchet shaft, described ratchet is connected with lock dog, described ratchet shaft and pawl axis are provided with reduction torsion spring.

2. open according to claim 1 and twoly draw opening door lock, it is characterized in that: the first projection on described locking rocking arm and the second projection are symmetrical arranged.

3. opening according to claim 1 and twoly draw opening door lock, it is characterized in that: in described, opening installing hole rocking arm is provided with for opening handle in installing.

4. open according to claim 1 and twoly draw opening door lock, it is characterized in that: the drive block output arm of described actuator body being provided with ellipsoidal structure, described drive block matches with the opening on locking servo part.

5. open according to claim 1 and twoly draw opening door lock, it is characterized in that: described actuator body and switch module become one.

6. according to claim 1 or 5 in open and two draw opening door lock, it is characterized in that: described switch module is touch switch.