CN211691938U - Electrically controlled lock device for trunk - Google Patents

Abstract

The utility model discloses an automatically controlled formula locking device of trunk has solved the relatively poor problem of current trunk locking device safety in utilization, the technical scheme who takes: an electric control lock device for trunk is composed of a lock body with push button, two elastic opposite locks in said lock body, a lock-joint structure between said two locks, an opening mechanism linked with said push button for opening said lock-joint structure, and a limiting pin in said lock body for limiting the opening of lock-joint structure.

Description

Electrically controlled lock device for trunk

Technical Field

The utility model relates to a tool to lock device especially relates to the tool to lock device of the automatically controlled formula of using on electric motor car, motorcycle or vapour car trunk for realize the locking to the trunk.

Background

It is common in some vehicles to provide a trunk to provide some enclosed space for cargo. In order to ensure the use safety of the trunk, the trunk generally needs to be provided with a lock, and the trunk cover can be locked through the lock.

Chinese patent document (publication No. 207278042U) discloses a car trunk lock, and its structure includes external device, lock body, shell, fixed ear, internal device, be equipped with the lock body on the external device, the fixed internal device that is equipped with in external device's inside, internal device comprises lock way, sense terminal, first power cord, second power cord, resistance, alarm, the inside of lock way is equipped with the sense terminal, the top of sense terminal is equipped with first power cord, the surface of first power cord is equipped with the second power cord, the surface of second power cord is equipped with resistance, the end of second power cord is equipped with the alarm, the alarm passes through second power cord and first power cord electric connection. The utility model discloses a vapour car trunk lock, accessible setting have the fixed ear of fixed orifices, change the mounting means in the past, have increased installation stability, set up the alarm that has the sense terminal, are convenient for increase warning protectiveness, simple structure, easily realize.

The automobile trunk lock is only provided with some electric control type alarm devices in the lock body, and the use safety of the trunk lock is realized by providing an alarm. However, in the actual application process, the lock can be unlocked by adopting a technical abnormal unlocking mode, and the use safety of the lock is slightly poor.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem who needs the solution: the utility model provides a trunk electrically controlled formula lock device to be used for realizing the locking to the trunk, this lock device's safety in utilization is high.

For solving the technical problem, the technical scheme of the utility model: an electric control lock device for trunk is composed of a lock body with push button, two elastic opposite locks in said lock body, a lock-joint structure between said two locks, an opening mechanism linked with said push button for opening said lock-joint structure, and a limiting pin in said lock body for limiting the opening of lock-joint structure.

The power mechanism can be a hydraulic cylinder, a screw rod mechanism or a gear rack mechanism, the screw rod mechanism and the gear rack mechanism are powered by a motor, and the controller controls the work of the power mechanism by controlling the work of the motor or an electromagnetic valve. The power mechanism is arranged to push the limiting pin to move through the push plate, so that the limiting pin can meet the requirement of lock catch movement.

Furthermore, the power mechanism comprises a motor, the motor is embedded in the lock body, and the push plate is buckled on the outer side of the motor in a sliding manner. This makes compact structure good, is convenient for the motor to the stable promotion of push pedal.

Furthermore, the number of the limiting pins is two, the two limiting pins are respectively arranged at the outer sides of the two lock catches, and the two opposite sides of the push plate are respectively provided with a push sheet which is used for being abutted against the limiting pins. The two limiting pins are arranged, one limiting pin limits the movement of the lock catch, and the limiting stability of the lock catch is good due to the limiting pin.

Furthermore, the opening mechanism comprises a pressing block connected with the button, the pressing block is positioned between the two lock catches, the two opposite ends of the pressing block are respectively provided with an inclined surface, the two lock catches are respectively provided with an inclined surface structure matched with the inclined surfaces, and a pressure spring acting on the pressing block is arranged in the lock body. The button pushes and presses the lock catch through the pressing block with the inclined plane, so that the lock catch moves towards two sides, the lock joint structure is opened, the structure is simple, and the lock joint structure is convenient and fast to open. The inner end of the button can be provided with a cam structure, and the lock catch can be pushed to be opened through rotation of the button.

Furthermore, a switch head is elastically and movably arranged on the inner side of the buckling structure in the lock body, and the switch head is used for being inserted between the outer ends of the two lock catches after the buckling structure is opened so as to limit the locking of the buckling structure. Through setting up the switch head, this switch head can elastically peg graft between the outer end of two hasps to in the latch closure on the trunk lid of being convenient for enters into the lock joint structure smoothly, and realize the locking to the latch closure fast, and when the latch closure got into the lock joint structure, because the switch head can provide certain cushioning effect, the stability that the latch closure entered into in the lock joint structure was good. When the fastening structure is opened, the switch head can also push the ring buckle out of the fastening structure, so that the trunk lid is quickly opened.

Furthermore, the switch head is in a shape of a Chinese character 'tu', the outer end part of the lock catch is in a shape of a 'Z', so that at least two step surfaces are formed at the outer end of the lock catch, and the step surfaces are used for being attached to the shoulder part of the switch head. The shoulder part of the switch head is limited by the attachment of the step surface, so that the position stability of the switch head in the lock body is good, and the switch head can be positioned at a proper position as required to meet the actual working requirement.

Furthermore, a spring seat is arranged in the lock body, the switch head is movably arranged on the spring seat, a pressure spring is arranged on the spring seat, and the pressure spring elastically presses against the switch head. Make the switch head set up on the spring holder through setting up the spring holder elastically, conveniently to the setting of switch head, switch head motion stability can guarantee.

Compared with the prior art, the utility model discloses the beneficial effect who has: through set up the spacer pin in the lock body, the spacer pin is used for prescribing a limit to the motion of hasp in the lock body, sets up together side by side with the hasp through the spacer pin, and makes the spacer pin can prescribe a limit to the hasp steadily, and the spacer pin can guarantee to the spacing effect of hasp motion, can effectively improve this trunk locking device's safety in utilization. The push plate pushing the limiting pin to move is connected with the power mechanism, the power mechanism is connected with the controller, and the lock joint structure can be opened by giving a signal to the controller through a vehicle key, so that the automation degree of the control of the lock device can be effectively improved. Also can install APP on the cell-phone, give the controller signal through mobile phone Bluetooth, and realize mobile phone Bluetooth to the opening of fastening structure.

Drawings

Fig. 1 is an internal structure view of the electrically controlled lock device for a trunk in a use state, in which a stopper pin is in a position of releasing a lock catch.

Fig. 2 is a view of the structure in the direction a-a in fig. 1.

Fig. 3 is an internal structure view of the electrically controlled lock device for a trunk in another use state, in which the stopper pin is in a position to block the movement of the latch.

Fig. 4 is an internal structure view of the electrically controlled lock device for a trunk in an opened state.

Fig. 5 is a dispersed structure view of the electrically controlled lock device for a trunk.

Detailed Description

The electrically controlled lock device for the trunk is arranged on a trunk body of a vehicle trunk, a trunk cover is arranged on the trunk body, a buckle 1 is arranged on the back side of the trunk cover, and the lock device is used for lock joint locking of the buckle 1 to realize locking of the trunk cover on the trunk body.

With reference to fig. 1, 3, 4 and 5, the lock device structurally comprises a box-shaped lock body 2, the lock body 2 is fixed on the rear end of the box body, a lock cover 12 is arranged on the lock body 2, and the lock cover 12 limits some functional components in the lock device in the lock body 2. Two bent rod-shaped lock catches 8 are arranged in the lock body 2, and the two lock catches 8 are identical in structure and are symmetrically arranged in the lock body 2. The outer ends of the two lock catches 8 extend out of the outer side of the lock body 2, and a fastening structure is formed between the outer ends of the two lock catches 8 and used for being fastened with the ring buckle 1 on the box cover to lock the box cover. Two coupling heads 81 arranged at intervals are integrally formed on the back sides of the two lock catches 8, the coupling heads 81 are connected with a pressure spring 7 in a sleeved mode, the outer end of the pressure spring 7 acts in the lock body 2, and the two lock catches 8 keep the trend of opposite movement under the action of the pressure spring 7.

With reference to fig. 1, 2, 3 and 5, a cylindrical button 3 is disposed on the lock body 2, an inner end of the button 3 extends into the lock body 2, an outer end of the button 3 extends to an outer side of the lock cover 12, and the lock cover 12 limits the button 3 on the lock body 2. The button 3 is connected with an opening mechanism which is used for realizing the opening of the buckling structure under the pressing action of the button 3. The opening mechanism comprises a pressing block 9 connected with the button 3, and the pressing block 9 is positioned between the two lock catches 8. In fig. 2 and 5, the two opposite ends of the pressing block 9 are respectively formed with inclined surfaces 91, and the two inclined surfaces 91 are symmetrically arranged on the two opposite sides of the pressing block 9. The two lock catches 8 are respectively provided with an inclined plane structure 83 which is matched with the inclined plane 91, and the lock body 2 is internally provided with a pressure spring 7 which acts on the pressing block 9. After the button 3 is pressed inward, the inclined plane 91 on the pressing block 9 and the inclined plane structure 83 on the lock catch 8 are matched to slide, so that the two lock catches 8 move towards the left side and the right side respectively, the upper ends of the two lock catches 8 are separated, and the opening of the buckling structure is realized.

The lock body 2 is movably provided with two limit pins 4 corresponding to the two lock catches 8, one limit pin 4 is positioned at the outer side of one lock catch 8, and the corresponding lock catch 8 and the limit pin 4 are arranged in parallel. When the limit pin 4 extends to the position of the lock catch 8, the limit pin 4 can limit the lock catch 8 to move towards the outside, so as to limit the opening of the fastening structure. A pressure spring 7 is sleeved on the limit pin 4, one end of the pressure spring 7 acts on the limit pin 4, the other end of the pressure spring acts in the lock body 2, and the pressure spring 7 enables the limit pin 4 to keep a tendency of being separated from blocking the lock catch 8.

A push plate 5 is arranged in the lock body 2, and the push plate 5 is in transmission connection with a power mechanism. A piece of push sheet 51 is integrally formed on each of the opposite sides of the push plate 5, and a stopper pin 4 elastically presses against one piece of push sheet 51. Under the action of the power mechanism, the push plate 5 pushes the limit pin 4 to move through the push piece 51, the limit pin 4 can be pushed into the movement range of the lock catch 8 to block the movement of the lock catch 8, the power mechanism can also move in the reverse direction to move to the open position, the limit pin 4 is separated from blocking the movement of the lock catch 8 under the action of the pressure spring 7, and the opening of the fastening structure can be realized after the button 3 is pressed. The lock body 2 is also internally provided with a controller which can receive external signals to control the work of the power mechanism.

The power mechanism comprises a motor 6, the motor 6 is embedded in the lock body 2, and the push plate 5 is buckled on the outer side of the motor 6 in a sliding mode. A threaded screw rod mechanism is arranged on a power output shaft of the motor 6, a push head 61 is arranged on the screw rod mechanism, the push head 61 is connected with the push plate 5, and the power output shaft of the motor 6 rotates to enable the push plate 5 to be driven by the push head to slide. The screw mechanism can also be replaced by a rack and pinion structure.

The switch head 10 is elastically and movably arranged on the inner side of the buckling structure in the lock body 2, and the switch head 10 is in a convex shape. The outer end of the latch 8 is "Z" shaped so that at least two step surfaces 82 are formed at the outer end of the latch 8, the step surfaces 82 being adapted to abut against shoulders of the switch head 10. After the buckle structure is opened, the outer end part of the switch head 10 is inserted between the outer ends of the two lock catches 8, so that locking of the buckle structure can be limited, and the step surface 82 on the upper side is abutted against the shoulder part of the switch head 10 to limit the switch head 10. When the box cover is locked, the buckle 1 on the box cover directly pushes the outer end part of the switch head 10, so that the box cover can smoothly enter the buckling structure.

The switch head 10 is hollow, a spring seat 11 is fixed in the lock body 2, two guide posts 111 are arranged on the spring seat 11, and each guide post 111 is sleeved with a pressure spring 7. The switch head 10 is sleeved on two guide posts 111, and the upper end part of the pressure spring 7 is directly pressed on the switch head 10. The switch head 10 is kept in a tendency to move towards the snap-fit arrangement by the spring force of the compression spring 7.

Claims (7)

1. An electric control lock device for trunk is composed of a lock body with push button, two elastic opposite locks in said lock body, a lock-joint structure between said two locks, an opening mechanism linked with said push button for opening said lock-joint structure, and a limiting pin in said lock body for limiting the opening of lock-joint structure.

2. The electrically controlled lock device for a trunk as claimed in claim 1, wherein the actuating mechanism comprises a motor embedded in the lock body, and the push plate is slidably fastened to an outer side of the motor.

3. The electrically controlled lock device for a trunk according to claim 1, wherein the number of the limit pins is two, the two limit pins are respectively disposed at the outer sides of the two lock catches, and the two opposite sides of the push plate are respectively provided with a push plate for abutting against the limit pins.

4. An electrically controlled lock device according to claim 1, 2 or 3, characterized in that the unlocking mechanism comprises a pressing block connected to the button, the pressing block is located between the two locking latches, the two opposite ends of the pressing block are respectively formed with an inclined surface, the two locking latches are respectively provided with an inclined surface structure for cooperating with the inclined surface, and the lock body is internally provided with a compression spring acting on the pressing block.

5. An electrically controlled lock device for a trunk as claimed in claim 1, 2 or 3, wherein a switch head is elastically movably disposed inside the lock body at an inner side of the fastening structure, and the switch head is adapted to be inserted between outer ends of the two latches after the fastening structure is opened to limit locking of the fastening structure.

6. An electrically controlled lock device according to claim 5, characterised in that the switch head is "male" and the outer end of the latch is "Z" shaped so that at least two step surfaces are formed at the outer end of the latch for abutment with the shoulder of the switch head.

7. An electrically controlled lock device according to claim 5, characterized in that a spring seat is provided in the lock body, the switch head is movably arranged on the spring seat, and a compression spring is provided on the spring seat and elastically presses against the switch head.

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