Safe unlocking device for automobile door lock

By designing a safety unlocking device for car door locks, the coordination of the cutting mechanism and power source mechanism is used to solve the problem of the inability to open the door in traffic accidents, and the effect of quickly opening the door and ensuring the safety of personnel is achieved.

CN119933464APending Publication Date: 2025-05-06JIANGJI MINKE IND COMPANY LIMITED JILIN CITY
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Patent Information

Application Number
CN202510002936.6
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-01-02
Publication Date
2025-05-06

AI Technical Summary

Technical Problem

When a traffic accident occurred, the door could not be opened due to deformation of the vehicle body, and people could not leave the vehicle, causing casualties and rescue difficulties.

Method used

A safety unlocking device for automobile door lock is designed, including a vehicle lock mechanism, a cutting mechanism, a power source mechanism and an electronic control mechanism. The power source mechanism is controlled to start by controlling the power source mechanism to drive the cutting mechanism to cut the vehicle lock mechanism, thereby opening the vehicle door.

Benefits of technology

In the event of an accident, the door can be opened quickly to ensure that the personnel in the car leave the car safely and simplify the rescue process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to the technical field of automobile door unlocking, in particular to an automobile door lock safety unlocking device which is used in cooperation with an automobile door, an automobile body stand column, a control panel and a safety air bag and comprises an automobile lock mechanism, a cut-off mechanism, a power source mechanism and an electric control mechanism. The cut-off mechanism is fixed to the vehicle lock mechanism, the electric control mechanism is electrically connected with the power source mechanism and can control the power source mechanism to be started, the power source mechanism is in transmission connection with the cut-off mechanism, and when the electric control mechanism is started, the power source mechanism drives the cut-off mechanism to cut off the vehicle lock mechanism. A person can manually start the electric control mechanism through the control panel or automatically start the electric control mechanism through the safety air bag, the electric control mechanism triggers and ignites the power source mechanism, the power source mechanism drives the cut-off mechanism to move, the cut-off mechanism cuts off the vehicle lock mechanism, and therefore the vehicle door is opened, and it is guaranteed that the person in the vehicle leaves the vehicle safely.
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Description

Technical Field

[0001] The invention relates to the technical field of vehicle door unlocking, in particular to a vehicle door lock safety unlocking device. Background Art

[0002] In recent years, with the rapid development of electric vehicles and the increase in the number of cars per capita, traffic accidents involving cars have also increased. Ensuring the safety of personnel is the main problem faced by various automobile factories. According to the accident reports in recent years, especially in electric vehicle accidents, part of the reason for casualties is that when an accident occurs, the doors cannot be opened due to the deformation of electrical appliances and the car body, and people cannot leave the car, which easily leads to casualties and makes it inconvenient for rescue personnel to carry out rescue;

[0003] To sum up, for the safety of the car, it is necessary to design a low-cost, small-sized, and highly secure car door lock safety unlocking device to solve the problem that the car door cannot be opened due to deformation of the car body in the event of a traffic accident, making it impossible for people to leave the car, thereby causing casualties. Summary of the invention

[0004] The purpose of the present invention is to provide a vehicle door lock safety unlocking device to solve the above problems.

[0005] In order to achieve the above objectives, the following technical solutions are provided:

[0006] A vehicle door lock safety unlocking device is used in conjunction with a vehicle door, a vehicle body pillar, a control panel and a safety airbag, and comprises: a vehicle lock mechanism, a cut-off mechanism, a power source mechanism and an electric control mechanism. The vehicle lock mechanism comprises two parts installed on the vehicle door and the vehicle body pillar. The cut-off mechanism is fixed on the vehicle lock mechanism. The electric control mechanism is electrically connected to the power source mechanism and can control the power source mechanism to start. The power source mechanism is transmission-connected to the cut-off mechanism. When the electric control mechanism is started, the power source mechanism drives the cut-off mechanism to cut off the vehicle lock mechanism.

[0007] Preferably, the two parts of the vehicle lock mechanism are fixedly connected to the vehicle door and the vehicle body pillar by bolts, the cutting mechanism is threadedly connected to the vehicle lock mechanism, and the power source mechanism is threadedly connected to the cutting mechanism.

[0008] Preferably, the electric control mechanism comprises a sleeve portion, and the electric control mechanism is installed on the power source mechanism through the sleeve portion.

[0009] Preferably, the vehicle lock mechanism comprises a lock bolt and a lock body, the lock bolt is fixedly connected to the vehicle body pillar by bolts, the lock body is fixedly connected to the vehicle door by bolts, and fixing seats with internal threads are provided on both sides of the lock body.

[0010] Preferably, the cutting mechanism includes a piston cylinder, a chopping knife, a locking screw and a sealing ring; the piston cylinder is threadedly connected to the lock body; the interior of the piston cylinder is hollow, and a threaded hole is provided at the lower part; the chopping knife is installed inside the piston cylinder, and the angle between the wall surfaces on both sides of the lower end of the chopping knife is an acute angle, and there is also a groove hole at the lower end of the chopping knife, a circular groove is provided at the upper end, and a sealing ring groove is provided in the middle.

[0011] Preferably, the locking screw is threadedly mounted on the piston cylinder, a raised cylinder is provided at the lower portion of the locking screw, the raised cylinder is clamped in the chopping knife, and is used to fix the chopping knife in the piston cylinder; a groove is provided at the upper end of the locking screw, and a thread is provided in the middle portion.

[0012] Preferably, the sealing ring is installed on the chopping knife for sealing.

[0013] Preferably, the power source mechanism includes a power outer body, gunpowder and an electrical connector seat; the power outer body is threadedly connected to the fixing seats on both sides of the lock body; the power outer body is hollow inside and has a thread at the lower end, the upper end of the power outer body is connected to the electrical connector seat, and the gunpowder is fixed inside the power outer body and communicated with the electrical connector seat.

[0014] Preferably, the electric control mechanism comprises an electric connector and a control circuit; the electric connector comprises a sleeve portion, and is mounted on the electric connector seat through the sleeve portion.

[0015] Preferably, the control circuit is electrically connected to a manual start switch on a control panel and the airbag.

[0016] The beneficial effects of the present invention are:

[0017] 1. The automobile door lock safety unlocking device proposed by the present invention comprises a vehicle lock mechanism, a cut-off mechanism, a power source mechanism and an electric control mechanism. The automobile door lock safety unlocking device is installed on the door of any vehicle, the cut-off mechanism is installed on the vehicle lock mechanism, and the power source mechanism is installed on the cut-off mechanism. When the vehicle door cannot be opened due to an accident, the door lock fails, and the personnel can manually start the electric control mechanism through the control panel or the airbag automatically starts the electric control mechanism, the electric control mechanism triggers and ignites the power source mechanism, the power source mechanism drives the cut-off mechanism to move, and the cut-off mechanism cuts off the vehicle lock mechanism, thereby opening the door and ensuring that the personnel in the vehicle can leave the vehicle safely. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of the present invention;

[0019] Figure 2 It is a schematic diagram of the present invention in a cut-off state;

[0020] Figure 3 It is a structural schematic diagram of the vehicle lock mechanism;

[0021] Figure 4 It is a structural schematic diagram of the cutting mechanism;

[0022] Figure 5 It is a cross-sectional schematic diagram of the cutting mechanism;

[0023] Figure 6 is a structural schematic diagram of a power source mechanism;

[0024] Figure 7 It is a structural diagram of the electric control mechanism;

[0025] Figure 8 is a schematic diagram of the control circuit;

[0026] In the figure:

[0027] 1-car lock mechanism, 11-lock body, 12-lock bolt;

[0028] 2-cutting mechanism, 21-piston cylinder, 22-chopping knife, 23-setting screw, 24-sealing ring;

[0029] 3-power source mechanism, 31-power outer body, 32-gunpowder, 33-electrical connector seat;

[0030] 4-Electronic control mechanism. DETAILED DESCRIPTION

[0031] The following will be combined with the embodiments of the present invention to clearly and completely describe the technical solutions of the schematic diagrams in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0032] like Figure 1-8 As shown, a vehicle door lock safety unlocking device is used in conjunction with a vehicle door, a vehicle body pillar, a control panel and a safety airbag, comprising: a vehicle lock mechanism 1, a cut-off mechanism 2, a power source mechanism 3 and an electric control mechanism 4. The vehicle lock mechanism 1 comprises two parts installed on the vehicle door and the vehicle body pillar. The cut-off mechanism 2 is fixed on the vehicle lock mechanism 1. The electric control mechanism 4 is electrically connected to the power source mechanism 3 and can control the power source mechanism 3 to start. The power source mechanism 3 is transmission-connected to the cut-off mechanism 2. When the electric control mechanism 4 is started, the power source mechanism 3 drives the cut-off mechanism 2 to cut off the vehicle lock mechanism 1.

[0033] In some embodiments, the two parts of the vehicle lock mechanism 1 are fixedly connected to the vehicle door and the vehicle body pillar by bolts, the cutting mechanism 2 is threadedly connected to the vehicle lock mechanism 1, and the power source mechanism 3 is threadedly connected to the cutting mechanism 2;

[0034] In some embodiments, the electric control mechanism 4 includes a sleeve portion, and the electric control mechanism 4 is mounted on the power source mechanism 3 through the sleeve portion;

[0035] In some embodiments, the vehicle lock mechanism 1 includes a lock bolt 12 and a lock body 11, the lock bolt 12 is fixedly connected to the vehicle body pillar by bolts, the lock body 11 is fixedly connected to the vehicle door by bolts, and fixing seats with internal threads are provided on both sides of the lock body 11;

[0036] In some embodiments, the cutting mechanism 2 includes a piston cylinder 21, a chopping knife 22, a set screw 23 and a sealing ring 24; the piston cylinder 21 is threadedly connected to the lock body 11; the piston cylinder 21 is hollow inside and has a threaded hole at the bottom; the chopping knife 22 is installed inside the piston cylinder 21, and the angle between the wall surfaces on both sides of the lower end of the chopping knife 22 is an acute angle, and there is a groove hole at the lower end of the chopping knife 22, a circular groove is opened at the upper end, and a sealing ring groove is opened in the middle;

[0037] In some embodiments, the set screw 23 is threadedly mounted on the piston cylinder 21, and a raised cylinder is provided at the lower part of the set screw 23, and the raised cylinder is clamped in the chopping knife 22, so as to fix the chopping knife 22 in the piston cylinder 21; a groove is provided at the upper end of the set screw 23, and a thread is provided in the middle part;

[0038] In some embodiments, a sealing ring 24 is mounted on the chopping knife 22 for sealing;

[0039] In some embodiments, the power source mechanism 3 includes a power outer body 31, gunpowder 32 and an electrical connector seat 33; the power outer body 31 is threadedly connected to the fixing seats on both sides of the lock body 11; the power outer body 31 is hollow inside, and a thread is provided at the lower end, and the upper end of the power outer body 31 is connected to the electrical connector seat 33, and the gunpowder 32 is fixed inside the power outer body 31 and communicates with the electrical connector seat 33;

[0040] In some embodiments, the electric control mechanism 4 includes an electric connector and a control circuit; the electric connector includes a sleeve portion, and is mounted on the electric connector seat 33 through the sleeve portion;

[0041] In some embodiments, the control circuit is electrically connected to the manual start switch on the control panel and the airbag;

[0042] In this embodiment, the automobile door lock safety unlocking device is installed on the door of any vehicle, the cut-off mechanism 2 is installed on the vehicle lock mechanism 1, and the power source mechanism 3 is installed on the cut-off mechanism 2. When the vehicle door cannot be opened due to an accident, the door lock fails, and the personnel can manually start the electric control mechanism 4 through the control panel or the airbag automatically starts the electric control mechanism 4, and the electric control mechanism 4 triggers and ignites the power source mechanism 3, and the power source mechanism 3 drives the cut-off mechanism 2 to move, and the cut-off mechanism 2 cuts off the vehicle lock mechanism 1, thereby opening the door and ensuring that the personnel in the vehicle can leave the vehicle safely;

[0043] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A vehicle door lock safety unlocking device, used in conjunction with a vehicle door, a vehicle body pillar, a control panel and a safety airbag, characterized in that: include: A vehicle lock mechanism (1), a cut-off mechanism (2), a power source mechanism (3) and an electric control mechanism (4), wherein the vehicle lock mechanism (1) comprises two parts mounted on a vehicle door and a vehicle body pillar, the cut-off mechanism (2) is fixed on the vehicle lock mechanism (1), the electric control mechanism (4) is electrically connected to the power source mechanism (3) and can control the start of the power source mechanism (3), the power source mechanism (3) is transmission-connected to the cut-off mechanism (2), and when the electric control mechanism (4) is started, the power source mechanism (3) drives the cut-off mechanism (2) to cut off the vehicle lock mechanism (1).

2. A vehicle door lock safety unlocking device according to claim 1, characterized in that: The two parts of the vehicle lock mechanism (1) are fixedly connected to the vehicle door and the vehicle body pillar by means of bolts, the cutting mechanism (2) is threadedly connected to the vehicle lock mechanism (1), and the power source mechanism (3) is threadedly connected to the cutting mechanism (2).

3. A vehicle door lock safety unlocking device according to claim 2, characterized in that: The electric control mechanism (4) comprises a sleeve portion, and the electric control mechanism (4) is installed on the power source mechanism (3) through the sleeve portion.

4. A vehicle door lock safety unlocking device according to claim 3, characterized in that: The vehicle lock mechanism (1) comprises a lock bolt (12) and a lock body (11); the lock bolt (12) is fixedly connected to a vehicle body pillar by means of bolts; the lock body (11) is fixedly connected to a vehicle door by means of bolts; and fixing seats with internal threads are provided on both sides of the lock body (11).

5. A vehicle door lock safety unlocking device according to claim 4, characterized in that: The cutting mechanism (2) comprises a piston cylinder (21), a chopping knife (22), a set screw (23) and a sealing ring (24); the piston cylinder (21) is threadedly connected to the lock body (11); the interior of the piston cylinder (21) is hollow, and a threaded hole is provided at the lower part; the chopping knife (22) is installed inside the piston cylinder (21), and the angle between the wall surfaces on both sides of the lower end of the chopping knife (22) is an acute angle, and the lower end of the chopping knife (22) also has a groove hole, the upper end thereof is provided with a circular groove, and the middle part thereof is provided with a sealing ring groove.

6. A vehicle door lock safety unlocking device according to claim 5, characterized in that: The set screw (23) is threadedly mounted on the piston cylinder (21); a raised cylinder is provided at the lower part of the set screw (23), and the raised cylinder is clamped in the chopping knife (22) to fix the chopping knife (22) in the piston cylinder (21); a groove is provided at the upper end of the set screw (23), and a thread is provided in the middle part.

7. A vehicle door lock safety unlocking device according to claim 6, characterized in that: The sealing ring (24) is installed on the chopping knife (22) and is used for sealing.

8. The automobile door lock safety unlocking device according to claim 7, characterized in that: The power source mechanism (3) comprises a power outer body (31), gunpowder (32) and an electric connector seat (33); the power outer body (31) is threadedly connected to the fixing seats on both sides of the lock body (11); the power outer body (31) is hollow inside and has a thread at the lower end; the upper end of the power outer body (31) is connected to the electric connector seat (33); the gunpowder (32) is fixed inside the power outer body (31) and communicates with the electric connector seat (33).

9. A vehicle door lock safety unlocking device according to claim 8, characterized in that: The electric control mechanism (4) comprises an electric connector and a control circuit; the electric connector comprises a sleeve portion, and is mounted on the electric connector seat (33) through the sleeve portion.

10. A vehicle door lock safety unlocking device according to claim 9, characterized in that: The control circuit is electrically connected to the manual start switch on the control panel and the safety airbag.