Vehicle door lock system
By introducing a first actuator and multiple lock mechanisms into the door lock system of a B-pillar-free vehicle, the front and rear doors can be opened and closed in an arbitrary order, which solves the problem of not being able to open the door in sequence in emergencies, and improves the convenience and comfort of entering and exiting the car.
Patent Information
- Application Number
- CN202411959183.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-30
- Publication Date
- 2025-04-08
AI Technical Summary
The front and rear doors of B-pillar cars need to be opened in an orderly manner. In an emergency, the doors cannot be opened in sequence, and the electric doors cannot be opened manually in an emergency, resulting in a safety threat.
Through the cooperation of the first actuator, upper lock, middle lock, lower lock and rear door lock, the front and rear doors can be opened and closed in sequence in sequence, providing a system selection of mechanical versions and electric + mechanical versions, ensuring that the door can be easily opened in an emergency situation.
It greatly improves the convenience and comfort of entering and exiting the car, ensuring that the door can be opened easily in an emergency, and solves the problem of inconvenience in special circumstances caused by the need to be opened in an orderly manner when the door lock of the B-pillar is opened.
Smart Images
Figure CN119777650A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of automobile door locks, and in particular to an opening and closing system of a vehicle door lock. Background Art
[0002] At present, in the automotive field, cars without B-pillars are increasingly favored by the market because they can facilitate passengers to get on and off the car and the loading and unloading of goods. However, in actual work, the opening method of the front and rear doors in the car without B-pillar scheme is mostly orderly opening, that is, the front and rear doors need to be opened in sequence, and the opening sequence cannot be changed after finalization, which leads to the inability to open the door immediately in an emergency without following the sequence, causing obstacles to escape. At the same time, the electric version of the door currently used cannot be opened manually in an emergency, resulting in a safety threat. For example, the published patent 2023221015247 discloses a door lock system and a vehicle, which can make the door lock on the vehicle without B-pillar structure easy to arrange and install by setting the lock body on the upper and lower beams of the vehicle body and correspondingly setting the lock buckle on the upper and lower parts of the door body, while ensuring that the door is reliably locked. However, it still cannot solve the problem that the front and rear doors need to be opened in sequence, and the opening sequence cannot be changed after finalization, resulting in the inability to open the door immediately in an emergency without following the sequence. Therefore, it is particularly important to solve the problem that the front and rear doors of the car door lock without B-pillars need to be preset when opening, which leads to inconvenience in opening in special circumstances. Summary of the invention
[0003] The purpose of the present invention is to provide a vehicle door lock opening and closing system, which can realize the opening and closing of the front and rear doors in any order through the cooperation of the first actuator, the upper lock, the middle lock, the lower lock and the rear door lock, greatly improving the convenience and comfort of entering and exiting the car. Two system options can be provided, namely a mechanical version and an electric + mechanical version. No matter which system is used, the door can be easily opened in an emergency. The electric version can realize electric opening and closing of the door. Both systems solve the problem that the door lock of a car without a B-pillar needs to be opened in an orderly manner, which leads to inconvenience in opening in special circumstances.
[0004] The present invention provides a vehicle door lock opening and closing system, comprising an upper lock, a middle lock, a lower lock and a first actuator, wherein the upper lock is arranged at the upper part of the vehicle door, the middle lock is arranged at the middle part of the vehicle door, and the lower lock is arranged at the lower part of the vehicle door, an upper lock release pull wire is arranged between the upper lock and the middle lock, a middle lock door closing pull wire is arranged between the middle lock and the first actuator, a lower lock release pull wire is arranged between the lower lock and the middle lock, and an inner release pull wire is also arranged on the middle lock.
[0005] A further improvement is that the upper lock release pull wire, the middle lock release extension pull wire and the lower lock release pull wire are connected to the middle lock through a one-to-two wire box.
[0006] A further improvement is that a central lock release extension pull wire is provided between the one-to-two wire box and the central lock.
[0007] A further improvement is that a second actuator is provided next to the lower lock, a lower lock door closing pull wire is provided between the second actuator and the lower lock, an external release pull wire is provided on the middle lock, and upper and lower lock electric release pull wires are provided on the first actuator.
[0008] A further improvement is that the number of the one-to-two wire boxes below the central lock is two.
[0009] A further improvement is that the two one-to-two wire boxes are replaced with one two-to-two wire box.
[0010] Beneficial effects of the present invention: Through the cooperation of the first actuator, the upper lock, the middle lock, the lower lock and the rear door lock, the front and rear doors can be opened and closed in any order, greatly improving the convenience and comfort of entering and exiting the car. Two system options are available: a mechanical version and an electric + mechanical version. Either system can easily open the door in an emergency. The mechanical version manually opens and closes the door, while the electric version can open and close the door electrically while also manually locking and unlocking it. Different systems are used according to the usage to improve practicality, comfort and safety. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] Figure 1 It is a schematic diagram of the manual system structure of the present invention.
[0012] Figure 2 It is a schematic diagram of the electric system structure of the present invention.
[0013] Figure 3 It is a schematic diagram of the installation of a manual system door of the present invention.
[0014] Figure 4 It is a schematic diagram of installing an electric system door of the present invention.
[0015] Figure 5 It is a schematic diagram of installing a rear door lock of the present invention.
[0016] Among them: 1-upper lock, 2-middle lock, 3-lower lock, 4-first actuator, 5-upper lock release cable, 6-key core, 7-middle lock door closing cable, 8-lower lock release cable, 9-inner release cable, 10-one-to-two wire box, 10'-two-to-two wire box, 11-middle lock release extension cable, 12-second actuator, 13-lower lock door closing cable, 14-external release cable, 15-upper and lower lock electric release cables. DETAILED DESCRIPTION
[0017] In order to deepen the understanding of the present invention, the present invention will be further described in detail below in conjunction with examples. The examples are only used to explain the present invention and do not constitute a limitation on the protection scope of the present invention. Example
[0018] like Figure 1 , 3 As shown in Figures 5 and 6, this embodiment provides a vehicle door lock opening and closing system, including an upper lock 1, a middle lock 2, a lower lock 3 and a first actuator 4. The upper lock 1 is arranged at the upper part of the vehicle door, the middle lock 2 is arranged at the middle part of the vehicle door, and the lower lock 3 is arranged at the lower part of the vehicle door. An upper lock release cable 5 is arranged between the upper lock 1 and the middle lock 2, a key core 6 is arranged on the middle lock 2, a middle lock door closing cable 7 is arranged between the middle lock 2 and the first actuator 4, a lower lock release cable 8 is arranged between the lower lock 3 and the middle lock 2, and an inner release cable 9 is also arranged on the middle lock 2. The upper lock release cable 5, the middle lock release extension cable 11 and the lower lock release cable 8 are connected to the middle lock 2 through a one-to-two wire box 10. A middle lock release extension cable 11 is arranged between the one-to-two wire box 10 and the middle lock 2.
[0019] Manual system operation principle: Locking action The front door is in the closed state: the rear door main lock full lock signal is detected → the first actuator 4 turns to the locking direction → by pulling the middle lock door closing cable 7 → the middle lock 2 is locked → the first actuator 4 reverses and resets.
[0020] The front door is in the closed state: the rear door main lock full lock signal is not detected → the middle lock 2 is unlocked → the rear door can be opened or closed.
[0021] The front door is in the open state: close the door to the fully locked position → detect the upper lock 1 / lower lock 3 / rear door main lock fully locked signal → the first actuator rotates forward → pull the middle lock door closing cable 7 → the middle lock 2 is locked → the first actuator 4 reverses and resets.
[0022] The front door is open: close the door to the fully locked position → no rear door master lock fully locked signal is detected → the middle lock 2 needs to be unlocked → the rear door can be opened or closed.
[0023] Unlocking action The front door is in the closed state: the door opening signal is detected → the central lock 2 performs the unlocking action itself, and the rear door can perform the door opening or closing action.
[0024] The front door is in the open state: detect whether the middle lock 2 is in the unlocked state → if it is not in the unlocked state, the middle lock 2 performs the unlocking action itself → the back door can perform the opening or closing action.
[0025] In case of power failure or manual operation: The front door is in the closed state: pull the machine to open inward / outward → the middle lock 2 is unlocked and drives the middle lock to release the extension pull wire 11 → the middle lock release extension pull wire 11 pulls the upper lock release pull wire 5 and the lower lock release pull wire 8 through the one-to-two wire box 10 → the upper lock 1 and the lower lock 3 are unlocked → the front door is unlocked as a whole → the back door can be opened or closed. Example
[0026] The present embodiment provides a vehicle door lock opening and closing system, including an upper lock 1, a middle lock 2, a lower lock 3 and a first actuator 4, wherein the upper lock 1 is arranged at the upper part of the vehicle door, the middle lock 2 is arranged at the middle part of the vehicle door, and the lower lock 3 is arranged at the lower part of the vehicle door, an upper lock release cable 5 is arranged between the upper lock 1 and the middle lock 2, a key core 6 is arranged on the middle lock 2, a middle lock door closing cable 7 is arranged between the middle lock 2 and the first actuator 4, a lower lock release cable 8 is arranged between the lower lock 3 and the middle lock 2, and an inner release cable 9 is also arranged on the middle lock 2. The upper lock release cable 5, the middle lock release extension cable 11 and the lower lock release cable 8 are connected to the middle lock 2 through a two-to-two wire box 10'. A middle lock release extension cable 11 is arranged between the two-to-two wire box 10' and the middle lock 2. A second actuator 12 is also provided next to the lower lock 3, a lower lock door closing wire 13 is provided between the second actuator 12 and the lower lock 3, an external release wire 14 is provided on the middle lock 2, and an upper and lower lock electric release wire 15 is provided on the first actuator 4. The upper lock release wire 5 and the lower lock release wire 8 are connected to the upper and lower lock electric release wire 15 through a two-to-two wire box 10'. The number of the two-to-two wire box 10' below the middle lock 2 is one. One of the two-to-two wire boxes 10' can be replaced with two one-to-two wire boxes 10.
[0027] Electric system operation principle: Electric locking action The front door is in the closed state: the upper lock 1 / lower lock 2 / rear door main lock full lock signal is detected → the first actuator 4 rotates forward → by pulling the middle lock door closing cable 7 → the middle lock 2 is locked → the first actuator 4 reverses and resets.
[0028] The front door is in the closed state: the rear door main lock full lock signal is not detected → the middle lock 2 is unlocked → the rear door can be opened or closed.
[0029] The front door is in the open state: close the door to the half-locked position → the second actuator 12 rotates forward → by pulling the lower lock door closing cable 13 → the lower lock 3 and the upper lock 1 are locked → the upper lock 1 / lower lock 2 / rear door main lock full lock signal is detected → the second actuator 12 reverses and resets / the first actuator 4 rotates forward → the first actuator 4 rotates forward → by pulling the middle lock door closing cable 7 → the middle lock 2 is locked → the first actuator 4 reverses and resets.
[0030] The front door is in the open state: close the door to the half-locked position → the second actuator 12 rotates forward → by pulling the lower lock door closing wire 13 → the lower lock 3 and the upper lock 1 are locked → the rear door main lock full lock signal is not detected → the second actuator 12 reverses and resets → the middle lock 2 needs to execute the unlocking action → the rear door can execute the door opening or closing action.
[0031] Electric unlocking action The front door is in the closed state: the door opening signal is detected → the middle lock 2 performs the unlocking action itself → at the same time, the first actuator 4 turns to the unlocking direction → drives the upper and lower lock electric release wires 15 to pull the upper lock release wire 5 and the lower lock release wire 8 through the two-to-two wire box 10' → the upper lock 1 and the lower lock 3 perform the unlocking action → the front door is fully unlocked, and the back door can perform the door opening or closing action.
[0032] The front door is in the open state: detect whether the middle lock 2 is in the unlocked state → if it is not in the unlocked state, the middle lock 2 performs the unlocking action itself → the back door can perform the opening or closing action.
[0033] In case of power failure or manual operation: When the front door is in the closed and locked state, pull the mechanical inside / outside opening → the middle lock 2 is unlocked and drives the middle lock release extension pull wire 11 → the middle lock release extension pull wire 11 pulls the upper lock release pull wire 5 and the lower lock release pull wire 8 through the two-to-two wire box 10' → the upper lock 1 and the lower lock 3 are unlocked → the front door is unlocked as a whole → the back door can be opened or closed.
[0034] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A vehicle door lock system, characterized in that: The invention comprises an upper lock (1), a middle lock (2), a lower lock (3) and a first actuator (4), wherein the upper lock (1) is arranged at the upper part of a vehicle door, the middle lock (2) is arranged at the middle part of the vehicle door, and the lower lock (3) is arranged at the lower part of the vehicle door. An upper lock release cable (5) is arranged between the upper lock (1) and the middle lock (2), a key core (6) is arranged on the middle lock (2), a middle lock door closing cable (7) is arranged between the middle lock (2) and the first actuator (4), a lower lock release cable (8) is arranged between the lower lock (3) and the middle lock (2), and an inner release cable (9) is also arranged on the middle lock (2).
2. A vehicle door lock system as claimed in claim 1, characterized in that: The middle lock (2) is provided with a middle lock release extension pull wire (11).
3. A vehicle door lock system as claimed in claim 2, characterized in that: The upper lock release cable (5), the middle lock release extension cable (11) and the lower lock release cable (8) are connected to the middle lock (2) via a one-to-two cable box (10).
4. A vehicle door lock system as claimed in claim 2 or 3, characterized in that: A second actuator (12) is also provided next to the lower lock (3), a lower lock door closing pull wire (13) is provided between the second actuator (12) and the lower lock (3), an external release pull wire (14) is provided on the middle lock (2), and upper and lower lock electric release pull wires (15) are provided on the first actuator (4).
5. A vehicle door lock system as claimed in claim 4, characterized in that: The number of the one-to-two wire boxes (10) below the central lock (2) is two.
6. A vehicle door lock system as claimed in claim 5, characterized in that: The two one-to-two wire boxes (10) are replaced with a two-to-two wire box (10').