Trailer lock with alarm function

Abstract

The utility model relates to an automobile anti-theft lock, in particular to a trailer lock with an alarm function, which comprises a base, a clamping groove and a locking component, the clamping groove is arranged on the side surface of the base, the locking component is arranged on the base and comprises a lock bolt, the lock bolt is arranged in a lifting manner and is provided with a locking position, and the locking position is arranged on the base. The lock bolt extends into the clamping groove when the lock bolt is located at the locking position, the base is further provided with an alarm module, the alarm module comprises a vibration sensor, a controller, an inductive switch and an alarm piece, the vibration sensor is in signal connection with the controller, the controller is in control connection with the alarm piece, and the inductive switch is in signal connection with the alarm piece. The inductive switch is connected with the alarm part in series, a trigger part is arranged on the side face of the lock bolt, when the lock bolt is located at the locking position, the trigger part is opposite to the inductive switch, the inductive switch is connected, the lifting action of the lock bolt is associated with on-off of an alarm circuit, and alarm cannot be triggered when the lock is normally unlocked.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of automobile theftproof locks, in particular to a kind of trailer lock with alarm function. BACKGROUND

[0002] The existing trailer lock is inserted into lock cylinder by key, drives lock bolt to lift, locks ball cover and opens, in addition to adopting physical locking mode to prevent theft, alarm anti-theft function is increased, lock bolt lifting action is associated with alarm circuit on-off, alarm piece is electrified when locking, both can deter theft personnel, and can notify owner in time. UTILITY MODEL CONTENTS

[0003] In view of the technical problems existing in the background art, the utility model aims at providing a kind of trailer lock with alarm function, increases alarm anti-theft function, and associates lock bolt lifting action with alarm circuit on-off.

[0004] To solve the above technical problems, the utility model adopts the following technical scheme: the kind of trailer lock with alarm function, including base, clamping groove and locking assembly, the clamping groove is arranged on the side of the base, the locking assembly is arranged on the base, the locking assembly includes lock bolt, the lock bolt is arranged to lift, the lock bolt has locking position, when the lock bolt is located at the locking position, the lock bolt extends into the clamping groove, wherein, alarm module is further provided on the base, the alarm module includes vibration sensor, controller, inductive switch and alarm piece, the vibration sensor is signal connected with the controller, the controller is control connected with the alarm piece, the inductive switch is connected with the alarm piece in series, the side of the lock bolt is equipped with trigger, when the lock bolt is located at the locking position, the trigger is opposite to the inductive switch and the inductive switch is turned on.

[0005] In this scheme, the inductive switch is turned on when the trigger is opposite to the inductive switch, and the inductive switch is turned off when the trigger is staggered with the inductive switch, the on-off of the circuit where the alarm piece is located is controlled by the lifting of the lock bolt, the controller controls the alarm piece action according to vibration signal, and the alarm anti-theft function is realized.

[0006] Preferably, the side of the lock bolt is further equipped with vertical extending limiting slot, the limiting slot is matched with limiting shaft, and the limiting shaft is fixedly arranged.

[0007] In this scheme, the lifting of the lock bolt is guided by the cooperation of the limiting shaft and the limiting slot, the rotation of the lock bolt is limited, and the alarm function is avoided from being affected by the rotation of the lock bolt.

[0008] Preferably, the locking assembly further includes lock tongue and lock pin, the lock tongue is rotatably arranged, the lock pin is connected with elastic member, the side of the lock bolt is further equipped with locking slot, and the lock tongue drives the lock pin to extend into or exit the locking slot.

[0009] In the scheme, the rotating bolt drive lock pin extends into the locking slot, and the lifting of the lock bolt is limited, realizing physical anti-theft.

[0010] Preferably, the alarm module further comprises a battery and a start button, and the start button is connected with the battery and the alarm component.

[0011] In the scheme, when the inductive switch is turned on and the start button is pressed, the alarm component circuit is turned on, and the alarm function is selectively enabled.

[0012] Preferably, the inductive switch is a Hall switch, and the trigger component is a magnet.

[0013] In the scheme, the magnet is close to the Hall switch to turn it on.

[0014] Preferably, the alarm component comprises a buzzer, an alarm lamp and a vibrator.

[0015] In the scheme, the sound, light and vibration are combined to enrich the alarm means.

[0016] The beneficial effect of the utility model is that the alarm anti-theft function is increased, the lifting action of the lock bolt is associated with the on-off of the alarm circuit, normal unlocking will not trigger the alarm, the controller controls the alarm component action according to the vibration signal, and the alarm anti-theft function is realized. DRAWINGS

[0017] The related details and working principles of the embodiments of the utility model are described below in combination with the drawings.

[0018] Fig. 1 It is a three-dimensional structure schematic diagram of the utility model.

[0019] Fig. 2 It is a structure schematic diagram of the lock bolt in the utility model.

[0020] Fig. 3 It is a structure schematic diagram of the lock pin and the bolt in the utility model.

[0021] In the drawing: 1, base; 2, clamping groove; 3, locking assembly; 4, lock bolt; 5, alarm module; 6, trigger component; 7, limiting groove; 8, limiting shaft; 9, bolt; 10, lock pin; 11, elastic component; 12, locking slot; 13, start button; 14, alarm component. DETAILED DESCRIPTION

[0022] Clearly, the described embodiments are merely a part of the embodiments of the present application, and are not all the embodiments of the present application, and all other embodiments obtained by those skilled in the art without creative labor on the basis of the embodiments of the present application belong to the scope of protection of the present application.

[0023] In the description of the present application, it should be understood that the terms "upper", "lower" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the purpose of facilitating the description of the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0024] In the description of the present application, the terms "first", "second", and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated.

[0025] Referring to the drawings Figs. 1-3 , the embodiment of the present embodiment is a trailer lock with an alarm function, which comprises a base 1, a clamping groove 2 and a locking assembly 3, the clamping groove 2 is arranged on the side of the base 1, the locking assembly 3 is arranged on the base 1, the locking assembly 3 includes a lock 4, the lock 4 is arranged in the locking position, and the lock 4 extends into the clamping groove 2 when the lock 4 is in the locking position.

[0026] Among them, the base 1 is also provided with an alarm module 5, the alarm module 5 includes a battery, a start button 13, a vibration sensor, a controller, an inductive switch and an alarm 14, the vibration sensor is signal connected with the controller, the controller is control connected with the alarm 14, the inductive switch is connected with the alarm 14 in series, the side of the lock 4 is provided with a trigger 6, the trigger 6 is opposite to the inductive switch when the lock 4 is in the locking position, and the inductive switch is turned on, the side of the lock 4 is also provided with a limiting groove 7 extending along the vertical direction, the limiting groove 7 is matched with a limiting shaft 8, the limiting shaft 8 is fixedly arranged, the start button 13 is connected with the battery and the alarm 14, the alarm 14 includes a buzzer, an alarm lamp and a vibrator, the inductive switch is a hall switch, and the trigger 6 is a magnet.

[0027] In the embodiment, the trailer ball cover is clamped into the clamping groove 2, the lock bolt 4 is lowered to extend into the trailer ball cover, at this time, the lock bolt 4 is located at the locking position, the inductive switch is opposite to the trigger 6, the inductive switch is turned on, the start button 13 is pressed down, the alarm 14 is powered on, when the lock bolt 4 is raised, the inductive switch is disengaged from the trigger 6, the inductive switch is turned off, and the alarm 14 is powered off, wherein the buzzer, the alarm lamp and the vibrator can be selectively arranged or all arranged, the alarm module needs to be waterproof and dustproof, and a timer can be further arranged to avoid excessive consumption of power caused by long-time alarm.

[0028] In other alternative embodiments, the inductive switch can also be a press switch, and the trigger 6 is a protrusion, the protrusion is abutted with the press switch to turn on the press switch.

[0029] Referring to the accompanying drawings Fig. 3 The locking assembly 3 further comprises a lock tongue 9 and a lock pin 10, the lock tongue 9 is rotationally arranged, the lock pin 10 is connected with an elastic element 11, the lock bolt 4 is further provided with a locking groove 12, and the lock tongue 9 drives the lock pin 10 to extend into or exit the locking groove 12.

[0030] In the embodiment, the key is inserted into the lock cylinder to drive the lock tongue 9 to rotate, the lock tongue 9 is provided with a cam at an end portion, the lock pin 10 is provided with a groove for accommodating and rotating the lock tongue 9, one side groove wall is abutted with the lock tongue 9, and the cam drives the lock pin 10 to extend or retract when the lock tongue 9 rotates, so that the control of the lock bolt 4 is limited.

[0031] In other alternative embodiments, the lock tongue 9 can be arranged to extend into or exit the locking groove 12, the locking groove 12 is provided with a first slope and a first side wall, the high part of the lifting surface is communicated with the surface of the lock bolt 4, the lock tongue 9 is divided into an upper part and a lower part, a spring is arranged between the upper part and the lower part, the upper part and the lower part are abutted on the side surface to realize rotation transmission, the lower part is provided with a second slope and a second side wall which are opposite to each other, the first side wall and the second side wall are opposite to each other when locking, the first side wall and the second slope are opposite to each other when unlocking, the bottom end of the lower part moves along the first slope when the lock bolt 4 is lowered, and the top end of the first side wall moves along the second slope when the lock bolt 4 is raised.

[0032] The above is the preferred embodiment of the utility model, it should be pointed out that the protection scope of the utility model is not limited to this. For the person skilled in the art, on the premise of not departing from the technical range disclosed by the utility model, a plurality of improvements and refinements or equivalent replacements can be made under the premise of the same utility model concept, which is also regarded as the protection scope of the utility model.

Claims

1. A trailer lock with alarm function, comprising a base (1); a clamping groove (2) arranged on the side of the base (1); a locking assembly (3) arranged on the base (1), the locking assembly (3) comprising a lock bolt (4) arranged in a lifting manner, the lock bolt (4) having a locking position, the lock bolt (4) extending into the clamping groove (2) when being in the locking position; characterized in that an alarm module (5) further arranged on the base (1), the alarm module (5) comprising a vibration sensor, a controller, an inductive switch and an alarm (14), the vibration sensor being signal connected with the controller, the controller being control connected with the alarm (14), the inductive switch being connected in series with the alarm (14), a trigger (6) being arranged on the side of the lock bolt (4), the trigger (6) being opposite to the inductive switch and the inductive switch being conductive when the lock bolt (4) is in the locking position.

2. The trailer lock with alarm function according to claim 1, characterized in that: A limiting groove (7) extending in a vertical direction is further arranged on the side of the lock bolt (4), the limiting groove (7) being matched with a limiting shaft (8) fixedly arranged.

3. The trailer lock with alarm function according to claim 1, characterized in that: The locking assembly (3) further comprises a lock tongue (9) arranged in a rotating manner and a lock pin (10) connected with an elastic member (11), a locking groove (12) further being arranged on the side of the lock bolt (4), the lock tongue (9) driving the lock pin (10) to extend into or exit the locking groove (12).

4. The trailer lock with alarm function according to claim 1, characterized in that: The alarm module (5) further comprises a battery and a start button (13), the start button (13) being connected with the battery and the alarm (14).

5. The trailer lock with alarm function according to claim 4, characterized in that: The inductive switch is a Hall switch, and the trigger (6) is a magnet.

6. The trailer lock with alarm function according to claim 1, characterized in that: The alarm (14) comprises a buzzer, an alarm lamp and a vibrator.

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