CN110094123B

CN110094123B - Inner handle structure suitable for electric door lock

Info

Publication number: CN110094123B
Application number: CN201910318283.7A
Authority: CN
Inventors: 郭寅
Original assignee: Zhejiang Leapmotor Technology Co Ltd
Current assignee: Zhejiang Zero Run Technology Co Ltd
Priority date: 2019-04-19
Filing date: 2019-04-19
Publication date: 2020-07-28
Anticipated expiration: 2039-04-19
Also published as: CN110094123A

Abstract

The invention discloses an inner handle structure suitable for an electric door lock, which comprises a base and a handle, wherein one end of the handle is rotatably connected with the base, a rocker arm acting on the electric door lock is arranged at the connecting end of the handle and the base, the base is provided with a through hole for the rocker arm to pass through, a touch switch is arranged in the through hole, the touch switch acting on the touch switch is in a compression closing state when the handle is closed, and the touch switch is released to open the electric door lock when the handle is rotated and opened. The invention aims to provide an inner handle structure which integrates functions of an electronic button and emergency opening and is suitable for an electric door lock.

Description

Inner handle structure suitable for electric door lock

Technical Field

The invention belongs to the field of automobile door locks, and particularly relates to an inner handle structure suitable for an electric door lock.

Background

The door lock of traditional car adopts the form of machinery opening, and the action of hand drives the internal mechanism of stay wire or pull rod manipulation lock body through interior handle, makes the cardboard release, and the door can be opened smoothly. Some current vehicle models adopt electric unlocking door locks due to functional requirements. The electric door opening lock gives an operation signal through a button, and then a door and window controller or a BCM drive motor realizes electric opening or automatic opening of the vehicle door. In order to ensure that the door of the vehicle can be opened from the inside during power feeding, a device capable of mechanically opening the door lock, generally an emergency opening pull wire or a handle, is arranged in the vehicle at a position which is not particularly obvious. The presence of two parts, a push-button and an emergency opening handle, results in a high number of parts and an increased cost, whereas the push-button is a conventional operating part and needs to be arranged in the most comfortable area, so that the area where the emergency opening handle is arranged is not comfortable enough.

Disclosure of Invention

The invention provides an inner handle structure which integrates the functions of an electronic button and emergency opening and is suitable for an electric door lock to overcome the defects in the prior art.

In order to achieve the purpose, the invention adopts the following technical scheme:

an inner handle structure suitable for an electric door lock comprises a base and a handle, wherein one end of the handle is rotatably connected with the base, a rocker arm acting on the electric door lock is arranged at the connecting end of the handle and the base, a through hole for the rocker arm to pass through is formed in the base, a touch switch is arranged in the through hole, the touch switch acting on the handle is in a compression closing state when the handle is closed, and the touch switch is released to open the electric door lock when the handle is rotated and opened. When the handle is not opened, the rocker arm is contacted with the touch switch, so that the touch switch is in a compressed closing state, and the touch switch does not give out a door opening signal. When the handle is pulled to be opened outwards, the rocker arm integrated with the handle rotates inwards, the rocker arm is far away from the touch switch, the touch switch releases a door opening signal, and the BCM or the ECU drives the door lock electric opening motor to open the vehicle door after receiving the signal. When the vehicle has the electricity, the less angle of upset handle can be unblanked, and when unexpected circumstances such as vehicle feed, the great angle of upset handle is through rocking arm pulling electricity unlocking door, can manual machinery open the door. Thus, the electric opening and the mechanical opening are integrated on one part, the number of parts is reduced, the cost and the weight are reduced, meanwhile, one part can be arranged in the optimal operation area, and the operation comfort is improved. In addition, the implementation processes of electric opening and mechanical opening are simplified into one action, the operation is convenient, and the learning cost is low.

Preferably, the rocker arm is provided with a protruding part towards the inside of the base, and the side surface of the protruding part is provided with an acting surface contacted with the touch switch. Therefore, when the handle is not rotated to be opened, the action surface of the protruding part acts on the touch switch, so that the touch switch is maintained in a compressed and closed state, and stable and reliable contact is ensured.

Preferably, the bulge part is provided with a pull wire positioning end connected with a pull wire of the electric door lock. The pull wire positioning end is connected with the electric door lock through a pull wire, when the rocker arm rotates by a large angle, the pull wire pulls the electric door lock to perform physical unlocking operation, and the vehicle door is opened from the inside when the vehicle is fed conveniently.

Preferably, a vertical rotating shaft is arranged in the through hole, the rocker arm is provided with an upper connecting end and a lower connecting end, and the upper connecting end and the lower connecting end are respectively provided with a shaft hole in running fit with the rotating shaft. The upper connecting end and the lower connecting end of the rocker arm are respectively connected with the rotating shaft through the shaft holes, so that the rocker arm is more stable and reliable in rotation.

Preferably, the bottom of the touch switch is provided with a plurality of connecting columns which are positioned with the base, and the bottom of each connecting column is provided with a screw hole.

Preferably, the rotation angle of the handle when the rocker arm is in contact with the tact switch is 5 to 15 degrees. Therefore, the handle has certain safety margin when being opened, the condition that the handle vibrates to open the vehicle door accidentally when the vehicle is collided or under special conditions can be avoided, and the opening safety of the vehicle door is improved.

Preferably, the trigger switch is in sliding fit with the base along the radial direction of the rotation axis of the handle, a push rod is fixed on the trigger switch, a driving part in contact fit with the push rod is arranged at the bottom of the rocker arm, the driving part comprises a first arc section and a second arc section of which the radius is larger than that of the first arc section, a transition arc section is arranged between the first arc section and the second arc section, when the rocker arm rotates away from the trigger switch, the transition arc section is in contact with the push rod to push the push rod away from the rotation axis of the rocker arm, and a spring acting on the trigger switch and pressing the driving part is arranged on the base. When the handle is not rotated and is in an initial state, the push rod is positioned in the first arc section, and the touch switch is in contact with the rocker arm and is kept in a compression closing state. When the handle is rotated to be opened, the transition arc section is contacted with the push rod to drive the push rod to move outwards away from the rotating axis of the rocker arm, and the transition arc section is matched with the rocker arm to rotate away from the touch switch, so that the separation speed between the touch switch and the rocker arm is further improved, the time required by the release process of the touch switch is shortened, and the door opening sensitivity is improved. Meanwhile, when the handle is not rotated and is in an initial state, the transition arc section is in transition from the first arc section with smaller radius to the second arc section with larger radius, the touch switch can move only by overcoming the action force of the spring, and the touch switch can be kept in contact with the first arc section by the action force of the spring, so that the vibration of the rocker arm and the handle is effectively inhibited, and the positioning stability of the handle is improved.

The invention has the beneficial effects that: (1) the mechanical and electric opening are integrated on one part, so that the number of parts is reduced, and the cost and the weight are reduced; (2) the handle can be arranged in the optimal operation area, and the two original door opening actions are simplified into one action, so that the operation convenience and comfort are improved; (3) the vibration condition of the handle is considered, the condition that the vehicle door is opened accidentally is avoided, and the safety and the stability are improved.

Drawings

FIG. 1 is a schematic structural view of embodiment 1 of the present invention;

FIG. 2 is a schematic structural view of the handle of the present invention in a closed state;

FIG. 3 is a schematic view of the handle of the present invention in an open position;

fig. 4 is a schematic structural diagram of embodiment 2 of the present invention.

In the figure: base 1, through-hole 1a, handle 2, rocking arm 2a, bellying 2b, action face 2c, lower link 21, go up link 22, touch switch 3, pivot 4, drive division 5, first circular arc section 5a, transition circular arc section 5b, second circular arc section 5c, spring 6, push rod 7.

Detailed Description

The invention is further described with reference to the following figures and detailed description.

Example 1

In the embodiment shown in fig. 1 and 2, an inner handle structure suitable for an electric door lock comprises a base 1 and a handle 2, one end of the handle 2 is rotatably connected with the base 1, a rocker arm 2a acting on the electric door lock is arranged at the connecting end of the handle 2 and the base 1, the base 1 is provided with a through hole 1a for the rocker arm 2a to pass through, a vertical rotating shaft 4 is arranged in the through hole 1a, the rocker arm 2a is provided with an upper connecting end 22 and a lower connecting end 21, and the upper connecting end 22 and the lower connecting end 21 are respectively provided with a shaft hole which is rotatably matched with the rotating shaft 4.

Referring to fig. 3, a touch switch 3 is disposed in the through hole 1a, a protrusion 2b is disposed on the rocker arm 2a toward the inside of the base 1, and an action surface 2c contacting with the touch switch 3 is disposed on a side surface of the protrusion 2 b. The bulge 2b is provided with a stay wire positioning end connected with a stay wire of the electric door lock, the handle 2 rotates 40 degrees, and the corresponding stroke can drive the stay wire to mechanically open the door lock. The bottom of the touch switch 3 is provided with a plurality of connecting columns which are positioned with the base 1, and the bottom of each connecting column is provided with a screw hole. When the handle 2 is closed, the touch switch 3 is acted on and is in a compressed closing state, and when the handle 2 is rotated and opened, the touch switch 3 is released to open the electric door lock. The rotation angle of the handle 2 is 5 to 15 degrees when the rocker arm 2a and the touch switch 3 are in a contact state, when a vehicle is in collision or special conditions, the handle has the possibility of vibrating for a certain angle, and the vibration angle of the handle is smaller than 5 degrees through calculation limit conditions.

In the actual use process, when the handle 2 is not opened, as shown in fig. 2, the rocker arm 2a contacts with the tact switch 3, so that the tact switch 3 is in a compressed closed state, and the tact switch 3 does not give a door opening signal. When the vehicle is powered on, as shown in fig. 3, when the pull handle 2 is opened outwards to 8 degrees, the rocker arm 2a integrated with the handle 2 rotates inwards, the rocker arm 2a is far away from the touch switch 3, the touch switch 3 releases a door opening signal, the BCM or the ECU receives the signal and drives the door lock electric opening motor to open the vehicle door, and the lock can be unlocked by turning over the handle 2 at a smaller angle. When the vehicle is fed and the like in an accident situation, the turnover handle 2 exceeds 40 degrees, and the electric door lock is pulled through the rocker arm 2a, so that the vehicle door can be manually and mechanically opened.

Example 2

The embodiment 2 is different from the embodiment 1 in that, as shown in fig. 4, the trigger switch 3 is in sliding fit with the base 1 along a radial direction of a rotation axis of the handle 2, a push rod 7 is fixed on the trigger switch 3, a driving portion 5 in contact fit with the push rod 7 is arranged at the bottom of the rocker arm 2a, the driving portion 5 includes a first arc section 5a and a second arc section 5c with a radius larger than that of the first arc section 5a, a transition arc section 5b is arranged between the first arc section 5a and the second arc section 5c, when the rocker arm 2a rotates away from the trigger switch 3, the transition arc section 5b pushes the push rod 7 to be away from the rotation axis of the rocker arm 2a, and a spring 6 acting on the trigger switch 3 and pressing the driving portion 5 is arranged on the base 1.

In the actual operation process, when the handle is not rotated, the push rod 7 is positioned at the first arc section 5a, and the touch switch 3 is contacted with the rocker arm 2a and is kept in a compression closing state. When the handle is rotated and opened, the transition arc section 5b is contacted with the push rod 7, the push rod 7 is driven to move outwards away from the rotating axis of the rocker arm 2a, the rocker arm 2a is matched to rotate and is away from the touch switch 3, and the touch switch 3 sends a door opening signal to the BCM or the ECU. When the handle is not rotated and is in an initial state, because the transition arc section 5b is in transition from the first arc section 5a with a smaller radius to the second arc section 5c with a larger radius, the touch switch 3 can move only by overcoming the acting force of the spring 6, and the spring 6 acts to keep the touch switch 3 in contact with the first arc section 5a, so that the vibration of the rocker arm 2a and the handle is effectively inhibited. When the handle is loosened and the handle reversely rotates and returns to the initial state, the touch switch 3 returns under the action of the spring 6, the touch switch 3 is in a compression closing state in contact with the rocker arm 2a, and a door opening signal is not sent out.

Claims

1. An inner handle structure suitable for an electric switch door lock is characterized by comprising a base (1) and a handle (2), one end of the handle (2) is rotatably connected with the base (1), a rocker arm (2 a) acting on the electric switch door lock is arranged at the connecting end of the handle (2) and the base (1), the base (1) is provided with a through hole (1 a) for the rocker arm (2 a) to pass through, a touch switch (3) is arranged in the through hole (1 a), the handle (2) acts on the touch switch (3) to be in a compression closing state when being closed, the handle (2) releases the touch switch (3) to open the electric switch door lock when being rotated and opened, the touch switch (3) is in sliding fit with the base (1) along the radial direction of the rotating axis of the handle (2), a push rod (7) is fixed on the touch switch (3), a driving part (5) in contact fit with the push rod (7) is arranged at the bottom of the rocker arm (2 a), the driving part (5) comprises a first arc section and a second arc section (5 c) with the radius larger than that of the first arc section, a transition arc section (5 b) is arranged between the first arc section and the second arc section (5 c), when the rocker arm (2 a) rotates to be far away from the touch switch (3), the transition arc section (5 b) pushes the push rod (7) to be far away from the rotating axis of the rocker arm (2 a), and a spring (6) acting on the touch switch (3) and pressing the driving part (5) is arranged on the base (1).

2. An internal handle structure suitable for an electric door lock according to claim 1, wherein the rocker arm (2 a) is provided with a convex part (2 b) towards the inside of the base (1), and the side surface of the convex part (2 b) is provided with an acting surface (2 c) contacted with the trigger switch (3).

3. An inner handle structure suitable for an electric door lock according to claim 2, wherein the boss portion (2 b) is provided with a wire positioning end to which a wire of the electric door lock is connected.

4. The inner handle structure suitable for the electric door lock according to claim 1, wherein a vertical rotating shaft (4) is arranged in the through hole (1 a), the rocker arm (2 a) is provided with an upper connecting end (22) and a lower connecting end (21), and the upper connecting end (22) and the lower connecting end (21) are respectively provided with shaft holes which are rotatably matched with the rotating shaft (4).

5. The inner handle structure of the electric door lock according to claim 1, wherein the bottom of the touch switch (3) is provided with a plurality of connecting columns which are positioned with the base (1), and the bottom of the connecting columns is provided with screw holes.

6. The inner handle structure of claim 1, wherein the rotation angle of the handle (2) is 5 to 15 degrees when the rocker arm (2 a) is released from the contact state with the trigger switch (3).