Emergency unlocking device for automobile door

Abstract

The utility model discloses an emergency unlocking device for an automobile door, and relates to the technical field of emergency unlocking of automobile doors. Comprising a door lock impact buckle piston cylinder barrel, a connecting rod is arranged on the upper wall face of the door lock impact buckle piston cylinder barrel, an emergency unlocking handle is hinged to the connecting rod, an open groove is formed in the emergency unlocking handle, and a locking piston cylinder barrel is arranged on the upper wall face of the door lock impact buckle piston cylinder barrel. A locking piston bolt column is inserted into the upper wall face of the locking piston cylinder barrel in a sliding mode, and the upper end of the locking piston bolt column is installed in the open groove in a sliding mode. The emergency vehicle door unlocking structure is stable in performance, safe and efficient in design, high-strength stainless steel double springs and double pistons are adopted for clamping and pressing, the situation that a vehicle door is opened by mistake due to violent collision, collision, rolling and bumping of a vehicle is effectively prevented, and the emergency vehicle door unlocking structure adapts to an extreme environment and resists limiting temperature; the emergency unlocking handle adopts a lever working principle, is simple to operate and is suitable for children and old people.

Description

Technical Field

[0001] The utility model relates to the technical field of emergency unlocking of vehicle doors, in particular to an emergency unlocking device for vehicle doors. Background Art

[0002] The emergency unlocking device of automobile doors has long been a problem for vehicle manufacturers, drivers and passengers. At present, all vehicles have electronic door locks, inner handles, outer handles, child locks, and hidden handles that fail to work or that cannot be opened due to major traffic accidents, battery fires and spontaneous combustion during driving of new energy vehicles, vehicles running into deep water areas, children being locked in the car due to car keys being left in the car, and various other types of doors that cannot be opened. As a result, people are trapped in the car and cannot escape in time, and casualties are everywhere. In particular, the problem of new energy vehicles produced in recent years around the world not being able to open their doors after an accident is particularly serious, which has cast a huge shadow on the psychology of car companies, drivers, and passengers. It has become a social issue that people talk about after dinner. People complain that car companies ignore life and only care about profits.

[0003] In the process of realizing the present invention, the inventor discovered that the prior art has the following problems: the vehicle door lock technology is already very mature, but the only thing missing is the emergency unlocking function, so an emergency unlocking device for a vehicle door has become an issue that needs to be urgently resolved. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides an emergency unlocking device for a vehicle door, which solves the problem of the lack of emergency unlocking function in the prior vehicle door lock technology.

[0005] To achieve the above objectives, the utility model is implemented through the following technical solutions: an emergency unlocking device for a car door, comprising a door lock impact buckle piston cylinder, the upper wall of the door lock impact buckle piston cylinder is provided with a connecting rod, the connecting rod is hinged with an emergency unlocking handle, a groove is provided in the emergency unlocking handle, the upper wall of the door lock impact buckle piston cylinder is provided with a locking piston cylinder, a locking piston bolt is slidably inserted in the upper wall of the locking piston cylinder, the upper end of the locking piston bolt is slidably installed in the groove, a buckle is provided at the lower end of the locking piston bolt, the buckle can be movably inserted in the door lock impact buckle piston cylinder, the upper end of the buckle is connected to the upper wall of the locking piston cylinder with a locking piston compression spring, and the locking piston compression spring is in sliding contact with the locking piston bolt.

[0006] Preferably, a door lock impact buckle piston is movably inserted into one side wall of the door lock impact buckle piston cylinder, a door lock impact buckle piston compression spring is connected to one side wall of the door lock impact buckle piston cylinder, one end of the door lock impact buckle piston compression spring is connected to a piston plate, the piston plate is connected to one end of the door lock impact buckle piston, and the door lock impact buckle piston compression spring is in sliding contact with the door lock impact buckle piston. A T-shaped relocking key can be threadedly connected to one side of the door lock impact buckle piston cylinder.

[0007] Preferably, a circular ring is provided on the locking piston bolt, and the diameter of the circular ring is greater than the width of the groove.

[0008] Preferably, the snap connection has a limiting structure.

[0009] Preferably, the side wall surface of the piston plate is in the shape of an inclined sliding wall.

[0010] Beneficial Effects

[0011] The utility model provides an emergency unlocking device for automobile doors. The utility model designs an emergency door unlocking structure. The emergency unlocking handle is connected to the locking piston bolt column to reduce the pulling force through the lever principle. The locking piston compression spring functions to prevent misoperation and automatically realize the locking function when relocking. When the locking piston bolt column is lifted, the door lock impact buckle is unlocked. The door lock impact buckle compression spring releases 55-60 kg of elastic force to drive the door lock impact buckle to move quickly 25 mm, and the door is automatically unlocked. The device of the invention has stable performance, safe and efficient design, and adopts high-strength stainless steel double springs and double piston compression, which effectively prevents the vehicle from being opened by mistake due to severe collision, collision, rolling, and bumping, and adapts to extreme environments and withstands extreme temperatures. The emergency unlocking handle adopts the lever working principle, is easy to operate, and is suitable for children and the elderly. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0013] In the figure: 1. Emergency unlocking handle; 2. Locking piston bolt; 3. Locking piston compression spring; 4. Locking piston cylinder; 5. Door lock impact buckle piston; 6. Door lock impact buckle piston compression spring; 7. Door lock impact buckle piston cylinder; 8. T-type relocking key; 9. Connecting rod; 10. Slot; 11. Buckle; 12. Piston plate. DETAILED DESCRIPTION

[0014] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0015] See also Figure 1 The utility model provides a technical solution: an emergency unlocking device for a car door, comprising a door lock impact buckle piston cylinder 7, a connecting rod 9 is provided on the upper wall of the door lock impact buckle piston cylinder 7, an emergency unlocking handle 1 is hinged on the connecting rod 9, a slot 10 is provided in the emergency unlocking handle 1, a locking piston cylinder 4 is provided on the upper wall of the door lock impact buckle piston cylinder 7, a locking piston bolt column 2 is slidably inserted in the upper wall of the locking piston cylinder 4, the upper end of the locking piston bolt column 2 is slidably installed in the slot 10, a buckle 11 is provided at the lower end of the locking piston bolt column 2, the buckle 11 can be movably inserted in the door lock impact buckle piston cylinder 7, the upper end of the buckle 11 is connected to the upper wall of the locking piston cylinder 4 with a locking piston compression spring 3, and the locking piston compression spring 3 is in sliding contact with the locking piston bolt column 2.

[0016] In this embodiment, specifically, a door lock impact buckle piston 5 is movably inserted into a wall surface of one side of the door lock impact buckle piston cylinder 7, a door lock impact buckle piston compression spring 6 is connected to a wall surface of one side of the door lock impact buckle piston cylinder 7, one end of the door lock impact buckle piston compression spring 6 is connected to a piston plate 12, the piston plate 12 is connected to one end of the door lock impact buckle piston 5, and the door lock impact buckle piston compression spring 6 is in sliding contact with the door lock impact buckle piston 5. A T-shaped relocking key 8 can be threadedly connected to one side of the door lock impact buckle piston cylinder 7.

[0017] In this embodiment, specifically, a ring is provided on the locking piston bolt 2 , and the diameter of the ring is greater than the width of the slot 10 .

[0018] In this embodiment, specifically, the buckle 11 is connected to the limiting structure.

[0019] In this embodiment, specifically, the side wall surface of the piston plate 12 is in the shape of an inclined sliding wall.

[0020] The detailed connection means are well-known in the art. The following mainly introduces the working principle and process. The specific work is as follows.

[0021] Embodiment: In case of emergency door unlocking, pulling the emergency unlocking handle 1 drives the slot 10 to rotate, the rotation of the slot 10 drives the ring to rotate, the rotation of the ring drives the locking piston bolt column 2 to telescopically move, the movement of the locking piston bolt column 2 drives the buckle 11 to move, at this time the locking piston compression spring 3 is compressed, when the buckle 11 is released from contact with the piston plate 12, the door lock impact buckle piston compression spring 6 which has been compressed elastically resets, drives the piston plate 12 to slide in the door lock impact buckle piston cylinder 7, the door lock impact buckle piston 5 moves with the piston plate 12, and the door lock impact buckle piston 5 contracts. When the door lock impact buckle piston cylinder 7 is in contact with the buckle 11, the side wall of the piston plate 12 is an inclined sliding wall, so the inclined surface can lift the buckle 11, and the locking piston compression spring 3 contracts. When the piston plate 12 slides over the buckle 11, the locking piston compression spring 3 rebounds and drives the buckle 11 to reset, and the piston plate 12 is clamped by the buckle 11.

[0022] It should be noted that, in this document, relational terms such as first and second, etc. are merely used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations.

Claims

1. An emergency unlocking device for a vehicle door, comprising a door lock impact buckle piston cylinder (7), characterized in that: The upper wall surface of the door lock impact buckle piston cylinder (7) is provided with a connecting rod (9), and the connecting rod (9) is hinged with an emergency unlocking handle (1). A slot (10) is provided in the emergency unlocking handle (1). The upper wall surface of the door lock impact buckle piston cylinder (7) is provided with a locking piston cylinder (4), and a locking piston bolt column (2) is slidably inserted in the upper wall surface of the locking piston cylinder (4). The upper end of the locking piston bolt column (2) is slidably installed in the slot (10). The lower end of the locking piston bolt column (2) is provided with a buckle (11), and the buckle (11) can be movably inserted in the door lock impact buckle piston cylinder (7). The upper end of the buckle (11) and the upper wall surface of the locking piston cylinder (4) are connected to a locking piston compression spring (3), and the locking piston compression spring (3) is in sliding contact with the locking piston bolt column (2).

2. The automobile door emergency unlocking device according to claim 1, characterized in that: A door lock impact buckle piston (5) is movably inserted into a side wall of the door lock impact buckle piston cylinder (7), and a door lock impact buckle piston compression spring (6) is connected to a side wall of the door lock impact buckle piston cylinder (7). One end of the door lock impact buckle piston compression spring (6) is connected to a piston plate (12), and the piston plate (12) is connected to one end of the door lock impact buckle piston (5). The door lock impact buckle piston compression spring (6) is in sliding contact with the door lock impact buckle piston (5), and a T-shaped relocking key (8) can be threadedly connected to one side of the door lock impact buckle piston cylinder (7).

3. The automobile door emergency unlocking device according to claim 1, characterized in that: A circular ring is provided on the locking piston bolt (2), and the diameter of the circular ring is greater than the width of the slot (10).

4. The automobile door emergency unlocking device according to claim 1, characterized in that: The buckle (11) is connected to the limiting structure.

5. The automobile door emergency unlocking device according to claim 2, characterized in that: The side wall surface of the piston plate (12) is in the shape of an inclined sliding wall.

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