CN111173384B

CN111173384B - Hasp type cabin lock

Info

Publication number: CN111173384B
Application number: CN202010134938.8A
Authority: CN
Inventors: 姚春良; 毛立明
Original assignee: Ningbo Shengjiu Technology Co ltd
Current assignee: Ningbo Shengjiu Technology Co ltd
Priority date: 2020-03-02
Filing date: 2020-03-02
Publication date: 2023-08-15
Anticipated expiration: 2040-03-02
Also published as: CN111173384A

Abstract

The utility model relates to a hasp type cabin lock, which is designed for solving the technical problems of easy unlocking and locking, vibration unlocking, insufficient unlocking force and large friction force caused by poor structural design of the existing like products. 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 spring piece of the micro switch; the key point is that when the U-shaped buckling rod of the lock catch is buckled with the locking opening of the first lock tongue, the concave part of the first lock tongue is buckled with the convex point end part of the second lock tongue to be in a locking state, and the first tension spring is stretched; when the U-shaped buckling rod of the lock catch is separated from the locking port of the first lock tongue, the lower part of the hook part of the first lock tongue is propped against the upper part of the salient point of the second lock tongue, and the first tension spring is reset; the gear of the second slide bar is meshed with the gear of the shell at the tooth mouth below the pin shaft, the pin shaft of the second slide bar extends out of the shell and is connected with the motor, a second tension spring is arranged between the metal support and the second lock tongue, and the second lock tongue triggers micro-opening when driving the first slide bar to move left and right.

Description

Hasp type cabin lock

Technical Field

The utility model relates to an electric vehicle cabin lock, in particular to a hasp type cabin lock.

Background

The hasp lock is a lock which is used for fixing a hasp in a lock body through striking and rotating a lock tongue, the existing hasp lock is mainly used for striking and locking type cabinet doors, motors are arranged in other hasp locks, and the motors are started to work through instructions. Application number 201822132220.6, grant bulletin date 2019.12.06, title of the utility model "electromagnetic snap lock", as disclosed in chinese patent literature; application number 201821635820.8 disclosed in Chinese patent document, grant bulletin date 2019.11.12, title of the utility model "motor snap lock"; application number 201720420997.5 disclosed in the Chinese patent document, grant bulletin date 2017.12.12, and the name of the utility model is motor lock. Some motor type snap locks on the market at present are used at the bottom of a seat and are used as cabin locks, and two main problems exist in the products: 1. purely mechanical cabin locks are turned on by means of a mechanical key; 2. the electromagnet type cabin lock is unlocked by means of a mechanical key or an electromagnetic attraction. The cabin locks in the two forms cannot be monitored in real time and can not be unlocked effectively, and the problems that friction force is large to lock, vibration is high, unlocking is achieved and the like exist.

Disclosure of Invention

In order to overcome the defects, the utility model aims to provide a hasp type cabin lock in the field, so that the technical problems of easy unlocking and locking, vibration unlocking, insufficient unlocking force, large friction force and inconvenience in remote monitoring caused by poor structural design of the existing like products are solved. The aim is achieved by the following technical scheme.

A second lock tongue, a first lock tongue and a first slide bar in a shell of the cabin lock, wherein an opening is arranged on one side of the shell, a U-shaped buckling rod of a lock catch is buckled with a locking notch on one side of the first lock tongue in the shell through the opening, one end of the locking 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, and the micro switch is externally connected with a circuit; the structural design key point is that the other end of the first lock tongue is connected with the middle part of one side of the second lock tongue through a first tension spring, a fixed rivet is arranged in a shell at a locking port of the first lock tongue, another fixed rivet is arranged in a shell at an opening of the shell at the other side of the symmetry of the fixed rivet, one end of the second lock tongue is fixed on the other fixed 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 propped 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, a corresponding concave is arranged on one side of the first lock tongue with symmetrical salient points, a convex hook part is arranged below the concave 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 buckling rod of the lock catch is buckled with the locking opening of the first lock tongue, the concave part of the first lock tongue is buckled with the salient point end part of the second lock tongue to be in a locking state, and the first tension spring is stretched; when the U-shaped buckling rod of the lock catch is separated from the locking port of the first lock tongue, the lower part of the hook part of the first lock tongue is propped against the upper part of the salient point of the second lock tongue, and the first tension spring is reset; a second sliding rod is arranged in the shell below the first tension spring, two ends of the second sliding rod in the shell are respectively propped against the inner wall of the shell through a second spring and a third spring, 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 above the first sliding rod and in front of the second lock tongue on one side of the first lock tongue below the first tension spring. Therefore, the manual unlocking can be realized through the second slide rod through the pin shaft of the second slide rod extending out of the shell, and the second lock tongue triggers the micro switch when driving the first slide rod to move left and right.

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 and is connected with a motor, the motor and the micro switch are connected with a circuit board on the outer side of the shell through a circuit, and the circuit board is provided with a signal transceiver and a battery. Therefore, the unlocking and remote monitoring of the motor are realized through the command generated by the control background.

The first sliding rod, the micro switch and the first spring are omitted in the shell. Whereby the cabin lock omits the remote monitoring mechanism setup.

The middle part one side between the two ends of the first slide bar is provided with a chamfer groove, the end part of the spring piece of the micro switch is provided with a convex arc head, and the arc head of the spring piece on the micro switch is propped against the chamfer groove of the first slide bar. The above-mentioned is a specific touch control mode between the first slide bar and the micro-switch, and it can also adopt the bump on one side of the first slide bar to trigger the micro-switch and other existing structures.

The shell comprises a metal support, a plastic support and a motor box assembly, wherein the first slide bar and the micro switch are arranged in an outer groove of the plastic support, the outer groove is arranged at a lower rectangular end of the plastic support, the outer diameter of the trapezoid end of the upper portion of the plastic support is provided with the metal support, the metal support is fixed on the plastic support, the second slide bar, the second spring and the third spring are arranged in an inner groove of the motor box assembly, the second spring bolt and the first spring bolt are fixed between the plastic support and the motor box assembly, the plastic support and the motor box assembly are fixedly installed through the metal support, and the metal support is provided with a corresponding opening. The above is a specific structure of the housing.

The micro switch is arranged in the switch groove of the plastic support, a first sliding rod is arranged in the rod groove above the switch groove of the plastic support, a spring piece groove is arranged between the switch groove of the plastic support and the first rod groove, the switch groove of the plastic support and the spring piece groove form an outer groove of the plastic support, the spring piece of the micro switch stretches into the rod groove through the spring piece groove, and the switch groove and the rod groove of the plastic support are provided with switch cover plates. The plastic bracket has a specific structure.

One side of the metal support is flanged with a tension spring hole, a second tension spring is arranged between the tension spring hole of the metal support and the fixed position of the first tension spring on one side of the second lock tongue, and the second tension spring is arranged on the outer side of the shell. The structure facilitates further tightening of the second locking bolt.

The tension spring hole of the metal bracket is provided with an opening wire slot in a flanging way at the other side, the middle edge of the other side of the second lock tongue is provided with an outward-turning protruding special-shaped wire slot, and the special-shaped wire slot of the second lock tongue is connected with the lock core component of the outer cover. The structure is convenient for the circuit installation in the outside of the shell to be fixed, and the second lock tongue is driven to move outwards through the lock core assembly, and the second lock tongue drives the first lock tongue to rotate through the second tension spring to realize unlocking.

One end of the first spring of the first sliding rod extends out of the shell and is provided with an L-shaped manual end. Therefore, the manual unlocking is realized through the L-shaped manual end of the first sliding rod extending out of the shell, namely, the first sliding rod drives the second lock tongue to rotate, so that the rotation of the first lock tongue is realized.

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

Drawings

Fig. 1 is a schematic view of the explosive structure of the present utility model, with the outer cover outside the housing omitted.

Fig. 2 is a schematic perspective view of the present utility model, with the addition of a second tension spring.

Fig. 3 is a schematic view of the internal structure of the unlocking state of the present utility model.

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

Fig. 5 is a schematic view showing the internal structure of the lock state of the present utility model.

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

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

Figure number and name: 1. the novel electric motor box comprises a lock catch, 2, a metal support, 3, a fixed rivet, 4, a second lock tongue, 5, a first lock tongue, 6, a screw, 7, a first sliding rod, 8, a micro switch, 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 present utility model will now be further described with reference to the accompanying drawings. As shown in fig. 1-7, the second lock tongue 4, the first lock tongue 5 and the first slide bar 7 in the shell of the cabin lock, an opening is arranged on one side of the shell, the U-shaped buckling rod of the lock catch 1 is buckled with the locking notch on one side of the first lock tongue in the shell through the opening, one end of the locking notch of the first lock tongue stretches 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 the spring sheet of the micro switch 8, 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 the second lock tongue through a first tension spring 14, a fixed rivet 3 is arranged in a shell at the locking port of the first lock tongue, another fixed rivet is arranged in a shell at the opening of the shell at the other side of the symmetrical fixed rivet, one end of the second lock tongue is fixed on the other fixed 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 propped against the inner wall of the shell through a first spring 9. The first spring bolt side of extension spring top second spring bolt is equipped with bellied bump, and first spring bolt one side of bump symmetry is equipped with corresponding concave recess, and the concave recess below of first spring bolt is equipped with bellied hook portion, and the fore shaft end of first spring bolt is greater than first extension spring one end. When the U-shaped buckling rod of the lock catch is buckled with the locking opening of the first lock tongue, the concave part of the first lock tongue is buckled with the salient point end part of the second lock tongue to be in a locking state, and the first tension spring is stretched; when the U-shaped buckling rod of the lock catch is separated from the locking opening of the first lock tongue, the lower part of the hook part of the first lock tongue is propped against the upper part of the salient 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 propped 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 above the first slide bar and in front of the second lock tongue on one side of the first lock tongue 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 and is connected with a motor, the motor and the micro switch are connected with a circuit board on the outer side of the shell through a circuit, and the circuit board is provided with a signal transceiver and a battery. One side of the middle part between the two ends of the first slide bar is provided with a chamfer groove, the end part of the spring piece of the micro switch is provided with a convex arc head, and the arc head of the spring piece on the micro switch is propped against the chamfer groove of the first slide bar.

The shell comprises a metal support 2, a plastic support 11 and a motor box assembly 15, wherein a first sliding rod and a micro switch are arranged in an outer groove of the plastic support, the outer groove is arranged at a rectangular end of the lower portion of the plastic support, the outer diameter of the trapezoid end of the upper portion of the plastic support is provided with the metal support, the metal support is fixed on the plastic support, a second sliding rod, a second spring and a third spring are arranged in an inner groove of the motor box assembly, a second lock tongue and a first lock tongue are fixed between the plastic support and the motor box assembly, the plastic support and the motor box assembly are fixedly mounted through the metal support, and the metal support is provided with a corresponding opening. The micro switch is arranged in the switch groove of the plastic support, a first sliding rod is arranged in the rod groove above the switch groove of the plastic support, a spring piece groove is arranged between the switch groove of the plastic support and the first rod groove, the switch groove of the plastic support and the spring piece groove form an outer groove of the plastic support, the spring piece of the micro switch stretches into the rod groove through the spring piece groove, and the switch groove and the rod groove of the plastic support are provided with switch cover plates. One side of the metal bracket is flanged with a tension spring hole, a second tension spring is arranged between the tension spring hole of the metal bracket and the fixed position of the first tension spring at one side of the second lock tongue, and the second tension spring is arranged at the outer side of the shell. The tension spring hole of the metal bracket is provided with an opening wire slot in a flanging way at the other side, the middle edge of the other side of the second lock tongue is provided with an outward-turning protruding special-shaped wire slot, and the special-shaped wire slot of the second lock tongue is connected with the lock core component of the outer cover.

The specific unlocking and locking operations are as follows: when the lock is closed, under the unlocking state, the lock catch is pressed down to contact the first lock tongue first, the first lock tongue rotates around the central shaft of the fixed rivet, and because the first tension spring is connected between the first lock tongue and the second lock tongue, after the first lock tongue is pressed to a certain position by the lock catch, the convex point of the second lock tongue enters the concave part of the first lock tongue, meanwhile, the second lock tongue presses the first slide bar, a notch is formed in the first slide bar, the first slide bar moves to the right, the state of the switch is changed from the unpressed state to the pressed state, the state of the lock is fed back to the outside, and the locking action is completed at the moment. When unlocking, the mechanical unlocking is divided into mechanical unlocking and motor unlocking, the mechanical unlocking is mainly realized by rotating a mechanical key, the second tension spring is pulled by the second lock tongue, the second lock tongue is pulled by the second tension spring, the second lock tongue is separated from the first lock tongue concave part after rotating clockwise to achieve the unlocking purpose, the lock catch is separated from the first lock tongue, after the second lock tongue is unlocked, the first slide bar is not pressed by the second lock tongue, the first slide bar moves leftwards under the action of the first spring, the state of the switch is changed from a pressed state to an unpressed state, and the mechanical unlocking action is completed. When the motor is unlocked, the motor rotates to drive the second slide bar to move leftwards, and in the process of moving the second slide bar leftwards, the pin shaft of the second slide bar props against the second lock tongue to enable the second lock tongue to be separated from the concave part of the first lock tongue, the switch state is changed from the pressed state to the unpressed state, the lock state is fed back outwards, and the unlocking action is completed. In the unlocking process of the motor, the unlocking time of the motor is controlled by the controller, and when the motor is unlocked, the motor is reversed, and the second slide bar moves to the right so as to lock.

In summary, the cabin lock is a motor 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 yet, the contact point of the first lock tongue rotates around the cambered surface of the second lock tongue, the second lock tongue does not touch the switch when not locked yet, and only when the protruding point of the second lock tongue enters the concave part of the first lock tongue, the second lock tongue touches the first slide bar, thereby triggering the state change of the switch. The gear and the second slide bar are driven in a mode that the gear drives the second slide bar to move when rotating in one direction, and when the gear is at a certain position, the gear is separated from the second slide bar, and the second slide bar is propped against the second slide bar through left and right springs at 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 can not be blocked. Meanwhile, according to the structural characteristics, the first sliding rod, the micro switch 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 also be provided with an L-shaped manual end.

Claims

1. 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 buckling rod of a lock catch (1) is buckled with a locking notch on one side of the first lock tongue in the shell through the opening, one end of the locking notch of the first lock tongue stretches 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 a spring piece of a micro switch (8), and the micro switch is externally connected with a circuit; the novel 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 fixed rivet (3) is arranged in a shell at the locking port of the first lock tongue, another fixed rivet is arranged in a shell at the opening of the shell at the other side of the symmetry side of the fixed rivet, one end of the second lock tongue is fixed on the other fixed rivet, the other end of the second lock tongue in the shell is aligned with one end of a first sliding rod (7), and the other end of the first sliding rod is propped 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 is arranged on one side of the first lock tongue with symmetrical salient points, a convex hook part is arranged below the concave 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 buckling rod of the lock catch (1) is buckled with the locking opening of the first lock tongue, the concave part of the first lock tongue is buckled with the salient point end part of the second lock tongue to be in a locking state, and the first tension spring is stretched; when the U-shaped buckling rod of the lock catch is separated from the locking port of the first lock tongue, the lower part of the hook part of the first lock tongue is propped against the upper part of the salient point of the second lock tongue, and the first tension spring is reset; 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 propped 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 above the first sliding rod and in front of the second lock tongue on one side of the first lock tongue below the first tension spring.

2. The hasp type cabin lock as claimed in claim 1 wherein the other side below the pin shaft of said second slide bar (12) is provided with a tooth mouth, the tooth mouth of the second slide bar is meshed with the gear (13) of the housing, the pin shaft of the second slide bar extends out of the housing to be connected with the motor, the motor and the micro switch (8) are connected with a circuit board outside the housing through a circuit, and the circuit board is provided with a signal transceiver and a battery.

3. The hasp type cabin lock as claimed in claim 1 wherein a chamfer groove is arranged on one side of the middle part between the two ends of the first slide bar (7), a protruding arc-shaped head is arranged at the end part of the spring piece of the micro switch (8), and the arc-shaped head of the spring piece on the micro switch is propped against the chamfer groove of the first slide bar.

4. The hasp type cabin lock according to claim 1, characterized in that the shell comprises a metal support (2), a plastic support (11) and a motor box assembly (15), the first slide bar (7) and the micro switch (8) are arranged in an outer groove of the plastic support, the outer groove is arranged at a lower rectangular end of the plastic support, the outer diameter of the upper trapezoid end of the plastic support is provided with the metal support, the metal support is fixed on the plastic support, the second slide bar (12), the second spring (16) and the third spring (17) are arranged in an inner groove of the motor box assembly, the second spring bolt (4) and the first spring bolt (5) are fixed between the plastic support and the motor box assembly, the plastic support and the motor box assembly are fixedly installed through the metal support, and the metal support is provided with corresponding openings.

5. The hasp type cabin lock as claimed in claim 4 wherein said micro switch (8) is provided in the switch slot of said plastic bracket (11), a first slide bar (7) is provided in the bar slot above the switch slot of the plastic bracket, a spring slot is provided between the switch slot and the first bar slot of the plastic bracket, the switch slot and the spring slot of the plastic bracket form an outer slot of the plastic bracket, the spring of the micro switch extends into the bar slot through the spring slot, and the switch slot and the bar slot of the plastic bracket are provided with a switch cover plate (10).

6. The hasp type cabin lock as claimed in claim 4 wherein a tension spring hole is formed in a flange on one side of the metal bracket (2), 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) on one side of the second lock tongue, and the second tension spring is arranged on the outer side of the shell.

7. The hasp type cabin lock of claim 6 wherein the tension spring hole of the metal bracket (2) is symmetrically flanged with an open slot on the other side, the middle edge of the other side of the second lock tongue (4) is provided with a special slot protruding outwards, and the special slot of the second lock tongue is connected with the lock core component of the outer cover.

8. A hasp type cabin lock as claimed in claim 1 wherein said first slide bar (7) has a first spring (9) end extending out of the housing provided with an L-shaped manual end.