Electrically powered vehicle safety catch

Abstract

The utility model discloses an electric type automobile safety lock catch belongs to automobile lock technical field, its structure includes battery, electric wire, straight lock post, motor, transmission mechanism, front cover, shell, bearing and button, the straight lock post protrudes in the outside of door frame through the through -hole of front cover middle part, and is opposite with the lock body on the car door, the collision sensor on the car detects the collision information that vehicle receives, when the collision reaches the trigger condition, will information transmission to the electronic control unit of car, and the electronic control unit sends the signal of triggering the motor start of the utility model electric type automobile safety lock catch, or manually press the button, makes the circuit connection, will make the motor rotate, and the shaft of motor drives the worm, and the worm drives the worm wheel and screw rotation or the gear on the shaft drives the rack to move back, thereby drives the straight lock post to move back, makes the straight lock post retract into the door frame, and the straight lock post and the lock tongue are separated from the contact, and make the car door open.

Description

Technical Field

[0001] This utility model relates to an electric car safety lock latch, belonging to the field of automotive lock technology, and in particular to a car door lock latch technology that can automatically unlock when a car is involved in a collision. Background Technology

[0002] Car door locks, such as Figure 4 As shown: It typically consists of a lock body and a latch. The lock body includes a lock cylinder and a bolt, and is fixedly installed on the car door. It connects to the inner and outer handles via a lever. The latch, as shown... Figure 5 As shown: Also called a lock pin or door stop, it includes a U-shaped lock pin and a lock tail plate. The U-shaped lock pin and the lock tail plate are fixedly connected, forming a gap in the middle. It is fixedly installed on the door frame of the car, opposite to the lock body. When the car door is closed, the lock tongue is locked in the gap of the lock latch, thus locking the car door.

[0003] The shortcomings of existing car door lock latch technology:

[0004] The latch is fixedly installed on the car door frame and cannot be moved. In the event of a collision or a door lock malfunction that prevents the door from being opened, neither the people inside the car nor the rescue personnel outside can open the door by moving the latch. Summary of the Invention

[0005] To address the shortcomings of existing technologies, this invention provides an electric vehicle safety latch. This device can open the car door by moving the latch when a collision occurs or the door lock malfunctions and cannot be opened.

[0006] The technical solution of this utility model to solve the above problems is: an electric car safety lock, the structure of which includes a battery, wires, a straight locking pin, a motor, a transmission mechanism, a front cover plate, a housing, a bearing, and a button; the transmission mechanism is a rack and pinion mechanism or a telescopic screw mechanism, the straight locking pin is one or two straight cylinders, the tail ends of two straight cylinders are connected, the straight locking pin protrudes from the outside of the door frame through the through hole in the middle of the front cover plate, and is opposite to the lock body on the car door; the telescopic screw mechanism includes a screw, a worm gear, and a worm, the rear end of the straight locking pin is fixedly connected to one end of the screw, the screw is horizontally set, a bearing is connected to the housing, one end of the worm is set in the inner hole of the bearing, the other end is connected to the shaft of the motor, the worm gear meshes with the worm, the two sides of the worm gear are connected to the housing through bearings, the screw passes through the through hole in the middle of the worm gear, and a button is provided on the through hole in the middle of the worm gear. The internal thread on the worm gear meshes with the thread on the screw. The rack and pinion mechanism includes a rack, a gear, and a sliding plate. The rear end of the straight locking pin is fixedly connected to one end of the rack. The rack is horizontally positioned, and the gear is mounted on the shaft of the motor. The gear meshes with the rack. The sliding plate is horizontally positioned below the rack, with bosses on both sides of the sliding plate. The rack is positioned between the two bosses. The front part of the housing is connected to the front cover plate and is located outside the rack and pinion mechanism or the telescopic screw mechanism. The motor is fixedly connected to the housing. The front cover plate is connected to the door frame of the car via a screw rod. The motor is connected to one electrode of the battery via a wire, and the other wire is connected to the electronic control unit of the car. The car's collision sensor is connected to the electronic control unit via a wire, and the button and the electronic control unit are connected to the other electrode of the battery via a wire.

[0007] Its beneficial effects are:

[0008] When a car collision occurs, the collision sensors on the car detect the collision information. When the collision reaches the trigger condition, the information is transmitted to the car's electronic control unit. The electronic control unit sends a signal to trigger the motor of the electric car safety lock of this utility model to start, or the button can be pressed manually to connect the circuit, which will cause the motor to rotate. The motor shaft drives the worm gear, which drives the worm wheel or the gear on the shaft to drive the rack to rotate, thereby causing the straight locking pin to move backward, so that the straight locking pin retracts into the door frame. The straight locking pin disengages from the lock tongue, allowing the car door to open. Attached Figure Description

[0009] The electric vehicle safety lock of this utility model will be further described with reference to the accompanying drawings and embodiments.

[0010] Figure 1 This is a schematic diagram of the electric vehicle safety lock of this utility model. The transmission mechanism in the diagram is a rack and pinion mechanism, with the front part of the housing removed.

[0011] Figure 2This is a schematic diagram of the electric vehicle safety lock of this utility model. The transmission mechanism in the diagram is a telescopic screw mechanism, with the front part of the housing removed.

[0012] Figure 3 This is a schematic diagram of the electric vehicle safety lock buckle of this utility model, which features two straight cylindrical locking pins.

[0013] Figure 4 This is a schematic diagram of an existing technology latch and car door lock.

[0014] Figure 5 This is a top-view schematic diagram of an existing locking mechanism.

[0015] In the diagram, 1 is the lock body, 2 is the bolt, 3 is the lock cylinder, 4 is the latch, 5 is the battery, 6 is the straight lock pin, 7 is the rack and pinion, 8 is the gear, 9 is the housing, 10 is the front cover, 11 is the sliding plate, 12 is the worm gear, 13 is the wire, 14 is the collision sensor, 15 is the worm, 16 is the screw, 17 is the car door, 18 is the door frame, 19 is the screw rod, 20 is the bearing, 21 is the motor, 22 is the button, 23 is the U-shaped lock pin, 24 is the boss, 25 is the electronic control unit, and 26 is the lock tail plate. Detailed Implementation

[0016] The principle and operation of this electric vehicle safety lock are explained in detail below with reference to the accompanying drawings:

[0017] An electric car safety lock, such as Figure 1 , Figure 2 , Figure 3As shown: Its structure includes a battery, wires, a straight locking pin, a motor, a transmission mechanism, a front cover, a housing, bearings, and a button. The transmission mechanism is a rack and pinion mechanism or a telescopic screw mechanism. The straight locking pin is one or two straight cylinders, with the tails of two straight cylinders connected. The straight locking pin protrudes from the outside of the door frame through a through hole in the middle of the front cover, opposite the lock body on the door. The telescopic screw mechanism includes a screw, a worm gear, and a worm. The rear end of the straight locking pin is fixedly connected to one end of the screw. The screw is horizontally positioned, and a bearing connects it to the housing. One end of the worm is located in the inner hole of the bearing, and the other end is connected to the shaft of the motor. The worm gear meshes with the worm. Both sides of the worm gear are connected to the housing through bearings. The screw passes through a through hole in the middle of the worm gear, and an internal thread is provided on the through hole in the middle of the worm gear. The screw and the threaded connection are engaged; the rack and pinion mechanism includes a rack, a gear and a slide plate. The rear end of the straight locking pin is fixedly connected to one end of the rack. The rack is horizontally set, the gear is set on the shaft of the motor, and the gear meshes with the rack. The slide plate is horizontally set below the rack. Bosses are set on both sides of the slide plate, and the rack is set in the middle of the two bosses. The front part of the housing is connected to the front cover plate and is set on the outside of the rack and pinion mechanism or the telescopic screw mechanism. The motor is fixedly connected to the housing. The front cover plate is connected to the door frame of the car through a screw rod. The motor is connected to one electrode of the battery through one wire and to the electronic control unit of the car through another wire. The collision sensor of the car is connected to the electronic control unit through a wire. The button and the electronic control unit are connected to the other electrode of the battery through a wire.

[0018] Existing collision sensors are typically used in conjunction with airbags and are usually installed at the front or sides of a vehicle to detect information such as the intensity and direction of a collision. When a collision reaches a certain threshold, a signal is sent to the control unit.

[0019] The Electronic Control Unit (ECU) is like the brain of a car. It receives signals from sensors, analyzes and judges the signals, and if the judgment result meets the conditions for triggering a certain device, it will issue a command to that device to complete the corresponding work.

[0020] Example 1

[0021] The process of using an electric car safety lock

[0022] like Figure 1 , Figure 2As shown: The electric car safety lock of this utility model is installed on the door frame of a car. The straight locking pin protrudes outside the door frame. The collision sensor on the car detects the collision information of the vehicle. When the collision reaches the trigger condition, the information is transmitted to the car's electronic control unit. The electronic control unit sends a signal to trigger the motor of the electric car safety lock of this utility model to start, or the button is pressed manually to connect the circuit. This will cause the motor to rotate. The motor shaft drives the worm gear, the worm gear drives the worm wheel and the screw to rotate, or the gear on the shaft rotates and drives the rack to move backward, thereby driving the straight locking pin to move backward, so that the straight locking pin retracts into the door frame. The straight locking pin disengages from the lock tongue, allowing the car door to open.

[0023] This utility model of an electric car safety lock can be used with existing mechanical or electronic door locks, enabling ordinary door locks to open the car door upon collision. It can also be used with car door locks that have a collision self-unlocking function to enhance the reliability of the collision self-unlocking door lock.

[0024] The circuit components described in the instruction manual for this electric vehicle safety lock have been simplified. For example, voltage conversion, relay isolation, and secondary control circuits are not mentioned as they are all existing technologies. Moreover, describing them in detail would be too cumbersome. This description is only used to illustrate the principle and logical relationship of the circuit involved in this utility model.

[0025] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. An electric car safety lock latch, an improvement on the latch in car locks, mainly composed of a straight locking pin, a motor, and a battery, characterized in that: Its structure includes a battery, wires, a straight locking pin, a motor, a transmission mechanism, a front cover, a housing, bearings, and buttons. The transmission mechanism is a rack and pinion mechanism or a telescopic screw mechanism. The straight locking pin is one or two straight cylinders, with the tails of two straight cylinders connected. The straight locking pin protrudes from the outside of the door frame through a through hole in the middle of the front cover, opposite the lock body on the door. The telescopic screw mechanism includes a screw, a worm gear, and a worm. The rear end of the straight locking pin is fixedly connected to one end of the screw. The screw is horizontally positioned, and a bearing connects it to the housing. One end of the worm is located in the inner hole of the bearing, and the other end is connected to the shaft of the motor. The worm gear meshes with the worm. Both sides of the worm gear are connected to the housing through bearings. The screw passes through a through hole in the middle of the worm gear, and an internal thread is provided on the through hole in the middle of the worm gear. The internal thread on the worm gear meshes with the worm. The threads on the screw mesh with each other; the rack and pinion mechanism includes a rack, a gear, and a sliding plate. The rear end of the straight locking pin is fixedly connected to one end of the rack. The rack is horizontally positioned, and the gear is mounted on the shaft of the motor. The gear meshes with the rack. The sliding plate is horizontally positioned below the rack, and bosses are provided on both sides of the sliding plate. The rack is positioned in the middle of the two bosses. The front part of the housing is connected to the front cover plate and is located outside the rack and pinion mechanism or the telescopic screw mechanism. The motor is fixedly connected to the housing. The front cover plate is connected to the door frame of the car through a screw rod. The motor is connected to one electrode of the battery through one wire and to the electronic control unit of the car through another wire. The collision sensor of the car is connected to the electronic control unit through a wire. The button and the electronic control unit are connected to the other electrode of the battery through a wire.

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