CN111173384A

CN111173384A - Hasp type cabin lock

Info

Publication number: CN111173384A
Application number: CN202010134938.8A
Authority: CN
Inventors: 姚春良; 毛立明
Original assignee: Ningbo Shengjiu Cabinets Lock Co Ltd
Current assignee: Ningbo Shengjiu Cabinets Lock Co Ltd
Priority date: 2020-03-02
Filing date: 2020-03-02
Publication date: 2020-05-19
Anticipated expiration: 2040-03-02
Also published as: CN111173384B

Abstract

The invention relates to a hasp type cabin lock, which is designed aiming at the technical problems that the existing similar products are easy to unlock and lock due to poor structural design, are easy to shake to unlock, have insufficient unlocking force and have larger friction force. The second lock tongue, the first lock tongue and the first slide bar are arranged in the shell of the cabin lock, the lock catch is buckled with the first lock tongue through the opening, and the first slide bar triggers the elastic sheet of the microswitch; when the U-shaped buckle rod of the lock catch is buckled with the fore shaft of the first lock tongue, the concave part of the first lock tongue is buckled with the end part of the convex point of the second lock tongue to be in a closed locking state, and the first tension spring is stretched; when the U-shaped buckle rod of the lock catch is separated from the lock opening of the first lock tongue, the lower part of the hook part of the first lock tongue is abutted against the upper part of the convex point of the second lock tongue, and the first tension spring is reset; a toothed opening below a pin shaft of the second slide bar is meshed with a gear of the shell, the pin shaft of the second slide bar extends out of the shell to be connected with the motor, a second tension spring is arranged between the metal support and a second spring bolt, and the second spring bolt triggers the micro switch when driving the first slide bar to move left and right.

Description

Hasp type cabin lock

Technical Field

The invention relates to a cabin lock of an electric vehicle, in particular to a hasp type cabin lock.

Background

The hasp lock is a lockset which fixes the hasp in a lock body and rotates a lock tongue through impact, the existing hasp lock is mainly used for impacting a locking type cabinet door, a motor is arranged in other hasp locks, and the motor is started to work through instructions. Such as application number 201822132220.6, publication date 2019.12.06, and utility model name "electromagnetic snap lock" disclosed in chinese patent literature; application No. 201821635820.8, granted on publication date 2019.11.12, published in chinese patent literature, entitled "motor hasp lock"; the utility model discloses an application number 201720420997.5, grant notice day 2017.12.12 among the chinese patent literature, the utility model name "motor padlock". Some electromechanical snap locks on the market today are used at the bottom of the seat, as a cabin lock, and there are mainly two problems with this type of product: 1. the purely mechanical cabin lock is opened by screwing a mechanical key; 2. the opening mode of the electromagnet type cabin lock is unlocked by a mechanical key or an attracting electromagnet. The cabin locks in the two forms have the problems that the real-time monitoring cannot be realized, the unlocking cannot be effectively realized, the friction force is large, the locking is dead, the vibration is realized, and the like.

Disclosure of Invention

In order to overcome the defects, the invention aims to provide a hasp type cabin lock in the field, so that the technical problems that the existing like products are easy to unlock and lock, easy to shake to unlock due to poor structural design, insufficient in unlocking force, large in friction force and inconvenient to remotely monitor are solved. The purpose is realized by the following technical scheme.

A hasp type cabin lock comprises a second lock tongue, a first lock tongue and a first sliding rod, wherein an opening is formed in one side of a shell of the cabin lock, a U-shaped buckle rod of a hasp is buckled with a lock opening in one side of the first lock tongue in the shell through the opening, one end of the lock opening of the first lock tongue extends out of the opening of the shell, the first lock tongue and the second lock tongue in the shell enable the first sliding rod in the shell to slide left and right through linkage, the first sliding rod triggers an elastic sheet of a micro switch, and the micro switch is externally connected with a circuit; the other end of the first lock tongue is connected with the middle part of one side of a second lock tongue through a first tension spring, a fixing rivet is arranged in a shell at the fore shaft of the first lock tongue, the fixing rivet is symmetrical, another fixing rivet is arranged in a shell at the opening of the other side of the shell, one end of the second lock tongue is fixed on the other fixing rivet, the other end of the second lock tongue in the shell is aligned with one end of a first sliding rod, and the other end of the first sliding rod is abutted against the inner wall of the shell through a first spring; a convex salient point is arranged on one side of the first lock tongue of the second lock tongue above the tension spring, corresponding concave parts are arranged on one sides of the first lock tongues with symmetrical salient points, a convex hook part is arranged below the concave part of the first lock tongue, and the fore shaft end of the first lock tongue is larger than one end of the first tension spring; when the U-shaped buckle rod of the lock catch is buckled with the lock opening of the first lock tongue, the concave part of the first lock tongue is buckled with the end part of the convex point of the second lock tongue to be in a closed locking state, and the first tension spring is stretched; when the U-shaped buckle rod of the lock catch is separated from the lock opening of the first lock tongue, the lower part of the hook part of the first lock tongue is abutted against the upper part of the convex point of the second lock tongue, and the first tension spring is reset; the shell below the first tension spring is internally provided with a second slide bar, two ends of the second slide bar in the shell are respectively abutted against the inner wall of the shell through a second spring and a third spring, one side of the second slide bar is provided with a pin shaft protruding out of a slide hole in the shell, and the pin shaft of the second slide bar is positioned in front of a second lock tongue on one side of a first lock tongue above the first slide bar and below the first tension spring. Therefore, manual unlocking can be realized through the second slide bar by the pin shaft of the second slide bar extending out of the shell, and the second lock tongue drives the first slide bar to move left and right to trigger the microswitch.

The other side below the pin shaft of the second slide bar is provided with a tooth opening, the tooth opening of the second slide bar is meshed with a gear of the shell, the pin shaft of the second slide bar extends out of the shell to be connected with a motor, the motor and the microswitch are connected with a circuit board outside the shell through a circuit, and the circuit board is provided with a signal transceiver and a battery. Therefore, the motor unlocking and remote monitoring are realized by controlling the instructions generated by the background.

A first slide bar, a microswitch and a first spring are omitted from the shell. Thereby omitting the remote monitoring mechanism arrangement from the pod lock.

A chamfer groove is formed in one side of the middle between the two ends of the first sliding rod, a protruding arc-shaped head is arranged at the end of an elastic piece of the microswitch, and the arc-shaped head of the elastic piece on the microswitch is abutted to the chamfer groove of the first sliding rod. The specific touch control mode between the first sliding rod and the micro switch can also adopt a bump on one side of the first sliding rod to trigger the micro switch and other existing structures.

The casing includes metal support, plastic support and motor box subassembly, first slide bar and micro-gap switch set up in the outer tank of plastic support, the outer tank sets up in the lower part rectangle end of plastic support, the trapezoidal end external diameter in upper portion of plastic support is equipped with the metal support, the metal support is fixed in the plastic support, the second slide bar, the second spring, the third spring sets up in the inside groove of motor box subassembly, second spring bolt and first spring bolt are fixed in between plastic support and the motor box subassembly, plastic support and motor box subassembly pass through metal support fixed mounting, the metal support is equipped with the opening that corresponds. The above is the specific structure of the housing.

The switch groove of the plastic support is internally provided with the microswitch, a first slide bar is arranged in a bar groove above the switch groove of the plastic support, an elastic sheet groove is arranged between the switch groove of the plastic support and the first bar groove, the switch groove and the elastic sheet groove of the plastic support form an outer groove of the plastic support, an elastic sheet of the microswitch extends into the bar groove through the elastic sheet groove, and the switch groove and the bar groove of the plastic support are provided with a switch cover plate. The above is the specific structure of the plastic bracket.

One side turn-ups of metal support is equipped with the extension spring hole, is equipped with the second extension spring between the extension spring hole of metal support and the first extension spring fixed position of second spring bolt one side, and the second extension spring sets up in the outside of casing. The structure is convenient for further tensioning of the second bolt.

The tension spring hole of the metal support is symmetrically provided with an opening wire slot at the other side of the flanging, the middle edge of the other side of the second lock tongue is provided with a special-shaped wire slot which is outwards turned and protruded, and the special-shaped wire slot of the second lock tongue is connected with the lock cylinder component of the outer cover. The circuit installation in the casing outside of being convenient for of above-mentioned structure is fixed to and drive the second spring bolt through the lock core subassembly and outwards remove, the second spring bolt drives first spring bolt through the second extension spring and rotates and realize unblanking.

One end of a first spring of the first sliding rod extends out of the shell and is provided with an L-shaped manual end. Thereby realize manual unblock through the manual end of the L type of the first slide bar that stretches out the casing, drive the second spring bolt through first slide bar promptly and rotate and then realize the rotation of first spring bolt.

The invention has reasonable structural design, small volume, convenient use and assembly, and simple electric, manual and monitoring improvement; the hasp type cabin lock is suitable for being used as a hasp type cabin lock with state monitoring and remote unlocking operation, and the structure improvement of similar products.

Drawings

Fig. 1 is a schematic diagram of the explosive structure of the present invention, in which the outer cover outside the housing is omitted.

Fig. 2 is a schematic perspective view of the present invention, in which a second tension spring is added.

Fig. 3 is a schematic view of the internal structure of the unlocked state of the present invention.

Fig. 4 is a schematic view of the inner second slide bar structure of fig. 3.

Fig. 5 is a schematic diagram of the internal structure of the locked state of the present invention.

Fig. 6 is a schematic view of the internal structure of the transition state of fig. 5 to 3.

Fig. 7 is a side view schematic of fig. 2.

Figure number and name: 1. the locking device comprises a lock catch, 2, a metal support, 3, a fixing rivet, 4, a second lock tongue, 5, a first lock tongue, 6, a screw, 7, a first sliding rod, 8, a microswitch, 9, a first spring, 10, a switch cover plate, 11, a plastic support, 12, a second sliding rod, 13, a gear, 14, a spring first tension spring, 15, a motor box assembly, 16, a second spring, 17, a third spring, 18 and a second tension spring.

Detailed Description

The construction and use of the invention will now be further described with reference to the accompanying drawings. As shown in fig. 1-7, a second lock tongue 4, a first lock tongue 5 and a first slide bar 7 are arranged in a shell of the cabin lock, an opening is arranged on one side of the shell, a U-shaped buckle rod of a lock catch 1 is buckled with a lock notch on one side of the first lock tongue in the shell through the opening, one end of the lock notch of the first lock tongue extends out of the opening of the shell, the first lock tongue and the second lock tongue in the shell enable the first slide bar in the shell to slide left and right through linkage, the first slide bar triggers an elastic sheet of a micro switch 8, and the micro switch is externally connected with a circuit. The other end of the first bolt is connected with the middle part of one side of the second bolt through a first tension spring 14, a fixing rivet 3 is arranged in the shell at the fore shaft of the first bolt, another fixing rivet is arranged in the shell at the opening of the shell at the other side symmetrical to the fixing rivet, one end of the second bolt is fixed on the another fixing rivet, the other end of the second bolt in the shell is aligned with one end of the first sliding rod, and the other end of the first sliding rod is abutted against the inner wall of the shell through a first spring 9. A convex salient point is arranged on one side of the first lock tongue of the second lock tongue above the tension spring, a corresponding concave part is arranged on one side of the first lock tongue with the symmetrical salient points, a convex hook part is arranged below the concave part of the first lock tongue, and the locking port end of the first lock tongue is larger than one end of the first tension spring. When the U-shaped buckle rod of the lock catch is buckled with the lock opening of the first lock tongue, the concave part of the first lock tongue is buckled with the end part of the convex point of the second lock tongue to be in a closed locking state, and the first tension spring is stretched; when the U-shaped buckle rod of the lock catch is separated from the lock opening of the first lock tongue, the lower part of the hook part of the first lock tongue is abutted against the upper part of the convex point of the second lock tongue, and the first tension spring is reset. A second slide bar 12 is arranged in the shell below the first tension spring, two ends of the second slide bar in the shell are respectively abutted against the inner wall of the shell through a second spring 16 and a third spring 17, a pin shaft protruding out of a slide hole in the shell is arranged on one side of the second slide bar, and the pin shaft of the second slide bar is positioned in front of a second lock tongue on one side of a first lock tongue above the first slide bar and below the first tension spring. The other side below the pin shaft of the second slide bar is provided with a tooth opening, the tooth opening of the second slide bar is meshed with a gear 13 of the shell, the pin shaft of the second slide bar extends out of the shell to be connected with a motor, the motor and a microswitch are connected with a circuit board outside the shell through a circuit, and the circuit board is provided with a signal transceiver and a battery. A chamfer groove is formed in one side of the middle between the two ends of the first sliding rod, a protruding arc-shaped head is arranged at the end portion of an elastic piece of the microswitch, and the arc-shaped head of the elastic piece on the microswitch is abutted to the chamfer groove of the first sliding rod.

Above-mentioned casing includes metal support 2, plastic support 11 and motor box subassembly 15, first slide bar and micro-gap switch set up in plastic support's outer tank, the outer tank sets up in plastic support's lower part rectangle end, plastic support's the trapezoidal end external diameter in upper portion is equipped with metal support, metal support is fixed in plastic support, the second slide bar, the second spring, the third spring sets up in the inside groove of motor box subassembly, second spring bolt and first spring bolt are fixed in between plastic support and the motor box subassembly, plastic support and motor box subassembly pass through metal support fixed mounting, metal support is equipped with the opening that corresponds. The switch groove of the plastic support is internally provided with the microswitch, a first slide bar is arranged in a bar groove above the switch groove of the plastic support, an elastic sheet groove is arranged between the switch groove of the plastic support and the first bar groove, the switch groove and the elastic sheet groove of the plastic support form an outer groove of the plastic support, an elastic sheet of the microswitch stretches into the bar groove through the elastic sheet groove, and the switch groove and the bar groove of the plastic support are provided with a switch cover plate. A spring hole is formed in a flanging on one side of the metal support, a second tension spring is arranged between the spring hole of the metal support and a first tension spring fixing position on one side of the second lock tongue, and the second tension spring is arranged on the outer side of the shell. The tension spring hole of the metal support is symmetrical to the other side, an opening wire slot is formed in the flanging of the other side, a special-shaped wire slot which is outwards turned and protruded is formed in the middle edge of the other side of the second lock tongue, and the special-shaped wire slot of the second lock tongue is connected with the lock cylinder assembly of the outer cover.

The specific unlocking and locking operations are as follows: when the lock is closed, in an unlocking state, the lock catch is pressed down to firstly contact the first lock tongue, the first lock tongue rotates around a central shaft at the position of the fixing rivet, and because the first tension spring is connected between the first lock tongue and the second lock tongue, when the first lock tongue is pressed to a certain position by the lock catch, the salient point of the second lock tongue enters the concave position of the first lock tongue, the second lock tongue presses the first slide bar, the first slide bar is provided with a notch, the first slide bar moves to the right, the state of the switch is changed from a non-pressing state to a pressing state, the state change of the lock is fed back to the outside, and at the moment, the locking action is completed. When the lock is unlocked, mechanical unlocking and motor unlocking are divided, the mechanical unlocking mainly comprises mechanical key rotation, a second spring bolt is pulled through a second spring bolt, the second spring bolt is pulled through the second spring bolt, the second spring bolt is separated from the concave position of the first spring bolt after clockwise rotation to achieve the unlocking purpose, the lock catch is separated from the first spring bolt, after the second spring bolt is unlocked, the first sliding rod is not pressed by the second spring bolt any more, the first sliding rod moves leftwards under the action of the first spring, the state of the switch is changed from the pressing state to the non-pressing state, and the mechanical unlocking action is. When the motor is unlocked, the motor rotates to drive the second slide bar to move left, and in the process of moving the second slide bar left, the pin shaft of the second slide bar props against the second spring bolt to enable the second spring bolt to be separated from the concave position of the first spring bolt, the switch state is changed from the pressing state to the non-pressing state, the state change of the lock is fed back to the outside, and the unlocking action is completed. During the unlocking process of the motor, the unlocking time of the motor is controlled by the controller, and after the unlocking process, the motor rotates reversely, and the second sliding rod moves rightwards so as to close the lock.

To sum up, the cabin lock is a motor-type cabin lock with state monitoring, and the linkage mechanism between the first lock tongue and the second lock tongue is that when the first lock tongue is not locked, the contact point of the first lock tongue rotates around the arc surface of the second lock tongue, the second lock tongue does not touch the switch when the second lock tongue is not locked, and only when the salient point of the second lock tongue enters the concave position of the first lock tongue, the second lock tongue can touch the first slide bar, so that the state change of the switch is triggered. The gear and the second slide bar are driven, namely, the gear drives the second slide bar to move when rotating in one direction, when the gear reaches a certain position, the gear is separated from the second slide bar, the second slide bar is propped against the second slide bar through the left spring and the right spring at the two ends of the second slide bar, so that the second slide bar can be driven back by the gear at any time, and the motor never stalls. Meanwhile, according to the structural characteristics, the first sliding rod, the microswitch and the first spring can be omitted from the shell, and one end of the first spring of the first sliding rod extends out of the shell and can be provided with an L-shaped manual end.

Claims

1. A hasp type cabin lock comprises a second lock tongue (4), a first lock tongue (5) and a first slide bar (7) in a shell of the cabin lock, wherein an opening is formed in one side of the shell, a U-shaped buckle bar of a hasp (1) is buckled with a lock opening in one side of the first lock tongue in the shell through the opening, one end of the lock opening of the first lock tongue extends out of the opening of the shell, the first slide bar in the shell slides left and right through linkage of the first lock tongue and the second lock tongue in the shell, the first slide bar triggers an elastic sheet of a micro switch (8), and the micro switch is externally connected with a circuit; the lock is characterized in that the other end of the first lock tongue (5) is connected with the middle part of one side of the second lock tongue (4) through a first tension spring (14), a fixing rivet (3) is arranged in a shell at the fore shaft of the first lock tongue, another fixing rivet is arranged in a shell at the opening of the shell at the other side of the fixing rivet, one end of the second lock tongue is fixed on the other fixing rivet, the other end of the second lock tongue in the shell is aligned with one end of a first slide bar (7), and the other end of the first slide bar is abutted against the inner wall of the shell through a first spring (9); a convex salient point is arranged on one side of the first lock tongue of the second lock tongue above the tension spring, corresponding concave parts are arranged on one sides of the first lock tongues with symmetrical salient points, a convex hook part is arranged below the concave part of the first lock tongue, and the fore shaft end of the first lock tongue is larger than one end of the first tension spring; when the U-shaped buckle rod of the lock catch (1) is buckled with the fore shaft of the first lock tongue, the concave part of the first lock tongue is buckled with the end part of the convex point of the second lock tongue to be in a closed locking state, and the first tension spring is stretched; when the U-shaped buckle rod of the lock catch is separated from the lock opening of the first lock tongue, the lower part of the hook part of the first lock tongue is abutted against the upper part of the convex point of the second lock tongue, and the first tension spring is reset; and a second sliding rod (12) is arranged in the shell below the first tension spring, two ends of the second sliding rod in the shell are respectively abutted against the inner wall of the shell through a second spring (16) and a third spring (17), a pin shaft protruding out of a sliding hole in the shell is arranged on one side of the second sliding rod, and the pin shaft of the second sliding rod is positioned in front of a second lock tongue on one side of a first lock tongue above the first sliding rod and below the first tension spring.

2. A hasp type cabin lock according to claim 1 wherein the other side below the pin shaft of the second sliding bar (12) is provided with a tooth mouth, the tooth mouth of the second sliding bar is engaged with the gear (13) of the shell, the pin shaft of the second sliding bar extends out of the shell to be connected with the motor, the motor and the microswitch (8) are connected with the circuit board outside the shell through a circuit, and the circuit board is provided with a signal transceiver and a battery.

3. A hasp type cabin lock according to claim 1 wherein the first slide bar (7), microswitch (8) and first spring (9) are omitted from inside the housing.

4. The hasp type cabin lock according to claim 1, wherein a chamfer groove is formed in one side of the middle portion between two ends of the first sliding rod (7), a protruding arc-shaped head is arranged at the end portion of an elastic sheet of the micro switch (8), and the arc-shaped head of the elastic sheet on the micro switch is abutted to the chamfer groove of the first sliding rod.

5. The hasp type cabin lock according to claim 1, wherein said housing comprises a metal support (2), a plastic support (11) and a motor box assembly (15), said first sliding rod (7) and said microswitch (8) are disposed in an outer groove of said plastic support, said outer groove is disposed in a lower rectangular end of said plastic support, said upper trapezoidal end of said plastic support has a metal support fixed thereto, said second sliding rod (12), said second spring (16) and said third spring (17) are disposed in an inner groove of said motor box assembly, said second latch bolt (4) and said first latch bolt (5) are fixed between said plastic support and said motor box assembly, said plastic support and said motor box assembly are fixedly mounted via said metal support, said metal support has a corresponding opening.

6. The hasp type cabin lock according to claim 5, wherein said microswitch (8) is arranged in a switch slot of said plastic support (11), a first slide bar (7) is arranged in a bar slot above the switch slot of the plastic support, a spring plate slot is arranged between the switch slot of the plastic support and the first bar slot, the switch slot and the spring plate slot of the plastic support form an outer slot of the plastic support, the spring plate of the microswitch extends into the bar slot through the spring plate slot, and the switch slot and the bar slot of the plastic support are provided with a switch cover plate (10).

7. The hasp type cabin lock according to claim 5, wherein a side flanging of the metal bracket (2) is provided with a tension spring hole, a second tension spring (18) is arranged between the tension spring hole of the metal bracket and a fixing position of the first tension spring (14) at one side of the second lock tongue, and the second tension spring is arranged at the outer side of the shell.

8. The hasp type cabin lock according to claim 7, wherein the tension spring hole of the metal bracket (2) is symmetrically provided with an opening slot at the other side of the flanging, the middle edge of the other side of the second lock tongue (4) is provided with a special-shaped slot with a raised outward turning, and the special-shaped slot of the second lock tongue is connected with the lock cylinder component of the outer cover.

9. A hasp type cabin lock according to claim 1 wherein one end of the first spring (9) of said first slide bar (7) is extended out of the housing to provide an L-shaped manual end.