CN220599479U - Bidirectional overturning locking mechanism and lock body - Google Patents

Abstract

The application discloses two-way upset locking mechanical system and lock body, wherein, two-way upset locking mechanical system includes: a lock case; the inclined tongue plate is arranged on the lock shell in a sliding manner; the inclined tongue is rotatably arranged on the inclined tongue plate and is provided with a first working surface and a second working surface which are obliquely arranged and are respectively positioned at two sides of the inclined tongue, and the inclined tongue is also provided with a first chute and a second chute which are obliquely arranged, and the second chute is obliquely arranged with the first working surface; the inclined tongue plate resets the elastic component; and the locking block is used for being in sliding fit with the first sliding groove or the second sliding groove. According to the rotary oblique tongue, the locking block is combined with the first working face, the second working face, the first sliding groove and the second sliding groove of the oblique tongue, so that the two installation directions can be switched conveniently under the condition that the oblique tongue is not removed or replaced.

Description

Bidirectional overturning locking mechanism and lock body

Technical Field

The utility model relates to the field of locks, in particular to a bidirectional overturning locking mechanism and a lock body.

Background

The lock body comprises a bevel inclined tongue, the inclined tongue arranged on a single bevel has directivity, so that if the lock body is required to be installed in the opposite direction during actual installation, the unlocking body is usually required to be disassembled, the inclined tongue is replaced or the inclined tongue is rotated 180 degrees, and therefore the installation is complicated.

Disclosure of Invention

The utility model provides a bidirectional overturning locking mechanism and a lock body aiming at the problems.

The technical scheme adopted by the utility model is as follows:

a bi-directional flip-flop locking mechanism comprising:

a lock case;

the inclined tongue plate is arranged on the lock shell in a sliding manner;

the inclined tongue is rotatably arranged on the inclined tongue plate and can rotate around a first rotation axis, the inclined tongue is provided with a first working surface and a second working surface, the first working surface and the second working surface are obliquely arranged and are respectively positioned at two sides of the inclined tongue, the inclined tongue is also provided with a first chute and a second chute, the first chute and the second working surface are obliquely arranged, and the second chute and the first working surface are obliquely arranged;

one end of the inclined tongue plate reset elastic piece is matched with the inclined tongue or the inclined tongue plate and is used for enabling the inclined tongue and the inclined tongue plate to have a moving trend of moving towards the outer side of the lock shell;

the locking block is movably arranged on the lock shell and is used for being in sliding fit with the first sliding groove or the second sliding groove, when the locking block is matched with the first sliding groove, the inclined tongue cannot rotate relative to the inclined tongue plate, the inclined tongue and the inclined tongue plate only can slide along the length direction of the first sliding groove, and at the moment, the second working surface is obliquely arranged relative to the sliding direction of the inclined tongue; when the locking block is matched with the second sliding groove, the inclined tongue cannot rotate relative to the inclined tongue plate, the inclined tongue and the inclined tongue plate can only slide along the length direction of the second sliding groove, and the first working surface is obliquely arranged relative to the sliding direction of the inclined tongue;

the locking block reset elastic piece is used for being directly or indirectly matched with the locking block, so that the locking block is kept in a state of sliding fit with the first sliding groove or the second sliding groove.

The inclined tongue can rotate to realize the switching of two installation directions, when the inclined tongue is used as a first installation direction, the first chute is matched with the locking block, the inclined tongue can only slide along the length direction of the first chute, the second working surface is inclined relative to the door frame, when the door is closed, the second working surface is matched with the door frame, and under the reaction force of the door frame, the inclined tongue can slide along the length direction of the first chute and retract the lock body; when the inclined tongue is used as the second installation direction (the position of the inclined tongue rotates relative to the position used as the first installation position), the second sliding groove can be matched with the corresponding structure in the lock body, the inclined tongue can only slide along the length direction of the second sliding groove, the first working surface is inclined relative to the door frame, the first working surface is matched with the door frame when the door is closed, and the inclined tongue can slide along the length direction of the second sliding groove under the reaction force of the door frame to retract the lock body.

According to the rotary oblique tongue, the locking block is combined with the first working face, the second working face, the first sliding groove and the second sliding groove of the oblique tongue, so that the two installation directions can be switched conveniently under the condition that the oblique tongue is not removed or replaced.

When the lock is actually used, the locking block is driven to move, so that the locking block is separated from the first chute or the second chute, and the action of the locking block can be realized by a mechanism in the lock shell or by the operation of a person.

In this application, the first axis of rotation refers to the axis of rotation between the tongue and the tongue plate.

When in actual use, the locking block can be arranged on the lock body in a sliding or rotating way.

In one embodiment of the present utility model, the lock case has an adjustment opening corresponding to the locking block, or the locking block has an adjustment portion protruding from the lock case.

During practical use, the position of the locking block can be adjusted by hands or tools after the interface is adjusted, so that the installation direction of the inclined tongue can be switched. The design of the adjusting part can facilitate the people to drive the locking block to move through the adjusting part, so that the installation direction of the inclined tongue can be switched.

The locking block can be unlocked through the adjusting part, the inclined tongue can rotate at the moment and is released after rotating to the other direction, and the locking block is matched with the corresponding sliding groove under the action of the locking block resetting elastic piece.

In one embodiment of the utility model, the lock further comprises a trigger tongue component and a trigger tongue reset elastic piece, wherein the trigger tongue component is movably arranged on the lock shell and can extend out of the lock shell and retract into the lock shell, and the trigger tongue reset elastic piece is matched with the trigger tongue component and is used for enabling the trigger tongue component to have a movement trend of extending out of the lock shell;

the trigger tongue component is provided with an unlocking part, when the trigger tongue component extends out of the lock shell, the unlocking part applies acting force to the locking block, overcomes the force of the locking block resetting elastic piece, enables the locking block to move and separate from the first sliding groove or the second sliding groove, and the locking block can rotate relative to the inclined tongue plate at the moment; when the trigger tongue component retracts into the lock shell, the unlocking part does not apply force to the locking block, and the locking block moves under the action of the locking block resetting elastic piece and is matched with the corresponding sliding groove.

The locking block can be automatically driven to move through the cooperation of the trigger tongue component and the locking block reset elastic piece, and manual adjustment is not needed. No matter in which direction, the trigger tongue component stretches out of the lock shell before closing the door, at this time, the locking block is separated from the first chute or the second chute, the lock tongue can automatically rotate and switch after being subjected to the reaction force of the door frame, after the trigger tongue component retracts into the lock shell, the locking block is matched with the corresponding chute under the action of the reset elastic component of the locking block, and the inclined tongue is locked (the inclined tongue cannot rotate).

The practical application is as follows: the trigger tongue assembly may include a trigger tongue and a tongue shelf. The trigger tongue can be rotatably arranged on the tongue frame.

In one embodiment of the present utility model, the locking block is rotatably installed on the lock housing, and the locking block has a first limiting bar and a pressed portion, where the first limiting bar is used to cooperate with the first chute or the second chute;

the unlocking part is matched with the pressed part, and when the trigger tongue component stretches out of the lock shell, the unlocking part drives the locking block to rotate through the pressed part.

The cooperation of the compression part and the unlocking part also plays a role in reducing noise to a certain extent, and the trigger tongue component is prevented from directly striking the lock shell at high speed.

In one embodiment of the utility model, the lock shell is provided with a limiting seat, the inclined tongue plate is provided with a limiting part which is matched with the limiting seat and limits the maximum distance of the inclined tongue plate moving outwards, and a buffer pad is arranged between the limiting seat and the limiting part.

The design of the cushion pad plays a role in reducing noise.

In an embodiment of the utility model, the first rotation axis is parallel to the first working surface and the second working surface.

In one embodiment of the present utility model, a symmetry plane is provided between the first working surface and the second working surface, the first working surface and the second working surface are symmetrically arranged with respect to the symmetry plane, and the first rotation axis is located in the symmetry plane;

the first chute and the second chute are symmetrical about the plane of symmetry.

In one embodiment of the present utility model, the first chute is parallel to the first working surface, and the second chute is parallel to the second working surface;

the length direction of the first sliding groove is perpendicular to the first rotation axis, and the length direction of the second sliding groove is perpendicular to the first rotation axis.

The application also discloses another two-way upset locking mechanical system, include:

a lock case;

the inclined tongue plate is arranged on the lock shell in a sliding manner;

the oblique tongue is rotatably arranged on the oblique tongue plate and can rotate around a first rotation axis, and the oblique tongue is provided with a first rotation axis; the inclined tongue is provided with a first working surface and a second working surface, the first working surface and the second working surface are obliquely arranged and are respectively positioned at two sides of the inclined tongue, the inclined tongue is also provided with a first chute and a second chute, the first chute and the second working surface are obliquely arranged, and the second chute and the first working surface are obliquely arranged;

one end of the inclined tongue plate reset elastic piece is matched with the inclined tongue or the inclined tongue plate and is used for enabling the inclined tongue and the inclined tongue plate to have a moving trend of moving towards the outer side of the lock shell;

the locking block is movably arranged on the lock shell and is used for being in sliding fit with the first sliding groove or the second sliding groove, when the locking block is matched with the first sliding groove, the inclined tongue cannot rotate relative to the inclined tongue plate, the inclined tongue and the inclined tongue plate only can slide along the length direction of the first sliding groove, and at the moment, the second working surface is obliquely arranged relative to the sliding direction of the inclined tongue; when the locking block is matched with the second sliding groove, the inclined tongue cannot rotate relative to the inclined tongue plate, the inclined tongue and the inclined tongue plate can only slide along the length direction of the second sliding groove, and the first working surface is obliquely arranged relative to the sliding direction of the inclined tongue;

the trigger tongue component is movably arranged on the lock shell and can extend out of the lock shell and retract back into the lock shell, the trigger tongue component is provided with an unlocking part, the unlocking part is used for being matched with the locking block, when the trigger tongue component extends out of the lock shell, the unlocking part applies acting force to the locking block to enable the locking block to move, and the locking block is separated from the first chute or the second chute, so that the locking block can rotate relative to the inclined tongue plate; when the trigger tongue component retracts to the lock shell, the unlocking part drives the locking block to move, so that the locking block moves towards the corresponding sliding groove;

and the trigger tongue reset elastic piece is matched with the trigger tongue assembly and is used for enabling the trigger tongue assembly to have a movement trend of extending out of the lock shell.

The trigger tongue component and the locking block are linked, the locking block is completely driven to move by the trigger tongue component, and the trigger tongue component and the locking block can be realized by the matching of the driving groove and the driving convex block during actual application.

The application also discloses a lock body comprising the bidirectional overturning locking mechanism.

The beneficial effects of the utility model are as follows: according to the rotary oblique tongue, the locking block is combined with the first working face, the second working face, the first sliding groove and the second sliding groove of the oblique tongue, so that the two installation directions can be switched conveniently under the condition that the oblique tongue is not removed or replaced.

Drawings

FIG. 1 is a schematic view of a lock body;

FIG. 2 is a schematic view of the bi-directional flip locking mechanism with the locking block disengaged from the first and second runners;

FIG. 3 is a schematic view of the bi-directional flip locking mechanism with the locking block engaged with the first runner;

FIG. 4 is a schematic view of the bi-directional flip locking mechanism with the locking block engaged with the second runner;

FIG. 5 is a schematic view of the structure of the tongue;

FIG. 6 is a schematic view of another angle of the tongue;

fig. 7 is a schematic view of the symmetry plane of the tongue.

The reference numerals in the drawings are as follows:

1. a beveled tongue; 100. a first axis of rotation; 11. a first work surface; 12. a second work surface; 13. a first chute; 14. a second chute; 15. a plane of symmetry; 2. a tongue plate; 21. a limit part; 3. a locking block; 31. a first limit bar; 32. a pressure receiving portion; 4. the locking block resets the elastic member; 5. the inclined tongue plate resets the elastic component; 6. a rotating shaft; 7. a lock case; 71. a limit seat; 8. triggering the tongue assembly; 81. triggering the tongue; 82. a tongue frame; 821. an unlocking part; 9. triggering the tongue to reset the elastic piece; 10. and a cushion pad.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It will be apparent that the embodiments described are some, but not all, of the embodiments of the present application. The components of the embodiments of the present application, which are generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

In the description of the present application, it should be noted that, the azimuth or positional relationship indicated by the terms "inner", "outer", etc. are based on the azimuth or positional relationship shown in the drawings, or the azimuth or positional relationship that is commonly put when the product of the application is used, are merely for convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and therefore should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

In the description of the present application, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art in a specific context.

The present utility model will be described in detail with reference to the accompanying drawings.

Example 1

As shown in fig. 1 to 7, a bidirectional flip locking mechanism includes:

a lock case 7;

the inclined tongue plate 2 is arranged on the lock shell 7 in a sliding manner;

the inclined tongue 1 is rotatably arranged on the inclined tongue plate 2 and can rotate around a first rotation axis 100, the inclined tongue 1 is provided with a first working surface 11 and a second working surface 12, the first working surface 11 and the second working surface 12 are obliquely arranged and are respectively positioned at two sides of the inclined tongue 1, the inclined tongue 1 is also provided with a first sliding groove 13 and a second sliding groove 14, the first sliding groove 13 is obliquely arranged with the second working surface 12, and the second sliding groove 14 is obliquely arranged with the first working surface 11;

the inclined tongue plate reset elastic piece 5, one end of the inclined tongue plate reset elastic piece 5 is matched with the inclined tongue 1 or the inclined tongue plate 2, and is used for enabling the inclined tongue 1 and the inclined tongue plate 2 to have a moving trend of moving towards the outer side of the lock shell 7;

the locking block 3 is movably arranged on the lock shell 7, the locking block 3 is used for being in sliding fit with the first sliding groove 13 or the second sliding groove 14, when the locking block 3 is matched with the first sliding groove 13, the inclined tongue 1 cannot rotate relative to the inclined tongue plate 2, the inclined tongue 1 and the inclined tongue plate 2 can only slide along the length direction of the first sliding groove 13, and at the moment, the second working surface 12 is obliquely arranged relative to the sliding direction of the inclined tongue 1; when the locking block 3 is matched with the second sliding groove 14, the inclined tongue 1 can not rotate relative to the inclined tongue plate 2, the inclined tongue 1 and the inclined tongue plate 2 can only slide along the length direction of the second sliding groove 14, and the first working surface 11 is obliquely arranged relative to the sliding direction of the inclined tongue 1;

the locking block resetting elastic piece 4 is used for being directly or indirectly matched with the locking block 3, so that the locking block 3 is kept in a sliding fit state with the first sliding groove 13 or the second sliding groove 14.

The inclined tongue 1 can rotate to realize the switching of two mounting directions, when the inclined tongue 1 is used as a first mounting direction, the first chute 13 is matched with the locking block 3, the inclined tongue 1 can only slide along the length direction of the first chute 13, the second working surface 12 is inclined relative to the door frame, when the door is closed, the second working surface 12 is matched with the door frame, and the inclined tongue 1 can slide along the length direction of the first chute 13 under the reaction force of the door frame to retract the lock body; when the latch 1 is used as the second mounting direction (at this time, the position of the latch 1 rotates relative to the position used as the first mounting position), the second sliding groove 14 can be matched with the corresponding structure in the lock body, the latch 1 can only slide along the length direction of the second sliding groove 14, the first working surface 11 is inclined relative to the door frame, the first working surface 11 is matched with the door frame when the door is closed, and the latch 1 can slide along the length direction of the second sliding groove 14 under the reaction force of the door frame to retract the lock body.

According to the rotary inclined tongue 1, the locking block 3 and the first working face 11, the second working face 12, the first sliding groove 13 and the second sliding groove 14 of the inclined tongue 1 are combined, so that the switching of two installation directions can be realized conveniently under the condition that the inclined tongue 1 is not dismounted or replaced.

In actual use, the locking block 3 is driven to move, so that the locking block 3 can be separated from the first chute 13 or the second chute 14, and the action can be realized by a mechanism in the lock shell 7 or by a human operation.

In this application, the first rotation axis 100 refers to the axis of the rotation shaft 6 between the tongue 1 and the tongue plate 2.

In actual use, the locking block 3 can be slidably or rotatably arranged on the lock body.

In other embodiments, the lock housing 7 has an adjustment opening corresponding to the lock block 3, or the lock block 3 has an adjustment portion protruding from the lock housing 7.

In actual use, the position of the locking block 3 can be adjusted by hands or tools through the adjusting interface, so that the installation direction of the inclined tongue 1 can be switched. The design of the adjusting part can facilitate the people to directly drive the locking block 3 to move through the adjusting part, thereby switching the installation direction of the inclined tongue 1. Namely, the locking block 3 can be unlocked through the adjusting part, at the moment, the inclined tongue 1 can rotate to the other direction, and is released, and the locking block 3 is matched with the corresponding sliding groove under the action of the locking block resetting elastic piece 4.

As shown in fig. 1 to 4, in this embodiment, the lock further includes a trigger tongue assembly 8 and a trigger tongue reset elastic member 9, the trigger tongue assembly 8 is movably disposed on the lock case 7 and can extend out of the lock case 7 and retract into the lock case 7, and the trigger tongue reset elastic member 9 cooperates with the trigger tongue assembly 8 to enable the trigger tongue assembly 8 to have a movement trend of extending out of the lock case 7;

the trigger tongue assembly 8 is provided with an unlocking part 821, when the trigger tongue assembly 8 extends out of the lock shell 7, the unlocking part 821 applies acting force to the locking block 3, overcomes the force of the locking block resetting elastic piece 4, enables the locking block 3 to move and separate from the first sliding groove 13 or the second sliding groove 14, and the locking block 3 can rotate relative to the inclined tongue plate 2 at the moment; when the trigger tongue assembly 8 is retracted into the lock case 7, the unlocking portion 821 does not apply a force to the lock block 3, and the lock block 3 moves under the action of the lock block return elastic member 4 to be engaged with the corresponding slide groove.

The cooperation through trigger tongue subassembly 8 and locking piece elastic component 4 that resets is set up like this, can drive the activity of locking piece 3 voluntarily, need not the manual work and adjusts. No matter which direction the trigger tongue component 8 is arranged, the trigger tongue component 8 extends out of the lock shell 7 before the door is closed, at the moment, the locking block 3 is separated from the first chute 13 or the second chute 14, the lock tongue can be automatically rotated and switched after being subjected to the reaction force of the door frame, and after the trigger tongue component 8 is retracted into the lock shell 7, the locking block 3 is matched with the corresponding chute under the action of the locking block resetting elastic piece 4 to lock the oblique tongue 1 (the oblique tongue 1 cannot rotate).

The practical application is as follows: trigger tongue assembly 8 may include a trigger tongue 81 and a tongue shelf 82. In actual use, the trigger tongue 81 can be rotatably mounted on the tongue frame 82 as required.

As shown in fig. 2, 3 and 4, in the present embodiment, the locking block 3 is rotatably mounted on the lock housing 7, and the locking block 3 has a first limit bar 31 and a pressed portion 32, where the first limit bar 31 is used to cooperate with the first chute 13 or the second chute 14;

the unlocking part 821 is matched with the pressed part 32, and when the trigger tongue assembly 8 extends out of the lock shell 7, the unlocking part 821 drives the locking block 3 to rotate through the pressed part 32.

The cooperation of the pressed portion 32 and the unlocking portion 821 also plays a role in noise reduction to a certain extent, preventing the trigger tongue assembly 8 from directly striking the lock case 7 at a high speed.

As shown in fig. 2, in the present embodiment, the lock case 7 has a limiting seat 71 thereon, the inclined tongue plate 2 has a limiting portion 21 cooperating with the limiting seat 71 to limit the maximum distance of the outward movement of the inclined tongue plate 2, and the cushion pad 10 is disposed between the limiting seat 71 and the limiting portion 21.

The design of the cushion 10 serves to reduce noise.

As shown in fig. 5, 6 and 7, in the present embodiment, the first rotation axis 100 is parallel to the first working surface 11 and the second working surface 12;

a symmetry plane 15 is arranged between the first working surface 11 and the second working surface 12, the first working surface 11 and the second working surface 12 are symmetrically arranged about the symmetry plane 15, and the first rotation axis 100 is positioned in the symmetry plane 15;

the first runner 13 and the second runner 14 are symmetrical about a plane of symmetry 15.

As shown in fig. 5, 6 and 7, in the present embodiment, the first chute 13 is disposed parallel to the first working surface 11, and the second chute 14 is disposed parallel to the second working surface 12;

the length direction of the first chute 13 is perpendicular to the first rotation axis 100, and the length direction of the second chute 14 is perpendicular to the first rotation axis 100.

In actual use, the locking block reset elastic piece 4, the inclined tongue plate reset elastic piece 5 and the trigger tongue reset elastic piece 9 can be elements such as a pressure spring, a tension spring, a torsion spring, a spring piece and the like.

Example 2

The difference between this embodiment and embodiment 1 is that the lock block resetting elastic member 4 is not provided in this embodiment, the trigger tongue assembly 8 is linked with the lock block 3 (the unlocking portion 821 is linked with the lock block 3), the lock block 3 is completely driven to move by the trigger tongue assembly 8, and the trigger tongue assembly 8 and the lock block 3 can be realized by the cooperation of the driving groove and the driving bump during actual use.

Specific: when the trigger tongue assembly 8 extends out of the lock shell 7, the unlocking part 821 applies an acting force to the locking block 3 to enable the locking block 3 to move, and the locking block 3 is separated from the first sliding groove 13 or the second sliding groove 14, so that the locking block 3 can rotate relative to the inclined tongue plate 2; when the trigger tongue component 8 retracts into the lock shell 7, the unlocking part 821 drives the locking block 3 to move, so that the locking block 3 moves towards the corresponding sliding groove.

Example 3

The embodiment discloses a lock body, which comprises a bidirectional overturning locking mechanism of embodiment 1 or embodiment 2.

The foregoing description is only of the preferred embodiments of the present utility model, and is not intended to limit the scope of the utility model, but rather is intended to cover all equivalent structures as modifications within the scope of the utility model, either directly or indirectly, as may be contemplated by the present utility model.

Claims (10)

1. A bi-directional flip-flop locking mechanism comprising:

a lock case;

the inclined tongue plate is arranged on the lock shell in a sliding manner;

the inclined tongue is rotatably arranged on the inclined tongue plate and can rotate around a first rotation axis, the inclined tongue is provided with a first working surface and a second working surface, the first working surface and the second working surface are obliquely arranged and are respectively positioned at two sides of the inclined tongue, the inclined tongue is also provided with a first chute and a second chute, the first chute and the second working surface are obliquely arranged, and the second chute and the first working surface are obliquely arranged;

one end of the inclined tongue plate reset elastic piece is matched with the inclined tongue or the inclined tongue plate and is used for enabling the inclined tongue and the inclined tongue plate to have a moving trend of moving towards the outer side of the lock shell;

the locking block is movably arranged on the lock shell and is used for being in sliding fit with the first sliding groove or the second sliding groove, when the locking block is matched with the first sliding groove, the inclined tongue cannot rotate relative to the inclined tongue plate, the inclined tongue and the inclined tongue plate only can slide along the length direction of the first sliding groove, and at the moment, the second working surface is obliquely arranged relative to the sliding direction of the inclined tongue; when the locking block is matched with the second sliding groove, the inclined tongue cannot rotate relative to the inclined tongue plate, the inclined tongue and the inclined tongue plate can only slide along the length direction of the second sliding groove, and the first working surface is obliquely arranged relative to the sliding direction of the inclined tongue;

the locking block reset elastic piece is used for being directly or indirectly matched with the locking block, so that the locking block is kept in a state of sliding fit with the first sliding groove or the second sliding groove.

2. The bi-directional flip-lock mechanism of claim 1 wherein said lock housing has an adjustment port corresponding to said lock block or said lock block has an adjustment portion extending out of said lock housing.

3. The bi-directional flip-flop lock of claim 1 further comprising a trigger tongue assembly movably disposed on said lock housing, said trigger tongue assembly capable of extending out of said lock housing and retracting back into said lock housing, and a trigger tongue reset spring cooperating with said trigger tongue assembly for providing a trigger tongue assembly with a tendency to move out of said lock housing;

the trigger tongue component is provided with an unlocking part, when the trigger tongue component extends out of the lock shell, the unlocking part applies acting force to the locking block, overcomes the force of the locking block resetting elastic piece, and enables the locking block to be separated from the first sliding groove or the second sliding groove, and at the moment, the locking block can rotate relative to the inclined tongue plate; when the trigger tongue component retracts to the lock shell, the locking block moves under the action of the locking block resetting elastic piece and is matched with the corresponding sliding groove.

4. The bi-directional flip-flop lock mechanism of claim 3 wherein said lock block is rotatably mounted on said lock housing, said lock block having a first stop bar and a pressed portion, said first stop bar being adapted to mate with said first runner or said second runner;

the unlocking part is matched with the pressed part, and when the trigger tongue component stretches out of the lock shell, the unlocking part drives the locking block to rotate through the pressed part.

5. The bi-directional flip-lock mechanism of claim 1 wherein the lock housing has a stop seat thereon, the flapper has a stop portion cooperating with the stop seat to limit the maximum distance the flapper can move outwardly, and a bumper pad is disposed between the stop seat and the stop portion.

6. The bi-directional flip-lock mechanism of claim 1 wherein said first axis of rotation is parallel to the first work surface and the second work surface.

7. The bi-directional flip-flop lock of claim 6 wherein said first work surface and said second work surface have a plane of symmetry therebetween, said first work surface and said second work surface being symmetrically disposed about said plane of symmetry, said first axis of rotation being located in said plane of symmetry;

the first chute and the second chute are symmetrical about the plane of symmetry.

8. The bi-directional flip-flop lock of claim 7 wherein said first runner is disposed parallel to said first work surface and said second runner is disposed parallel to said second work surface;

the length direction of the first sliding groove is perpendicular to the first rotation axis, and the length direction of the second sliding groove is perpendicular to the first rotation axis.

9. A bi-directional flip-flop locking mechanism comprising:

a lock case;

the inclined tongue plate is arranged on the lock shell in a sliding manner;

the oblique tongue is rotatably arranged on the oblique tongue plate and can rotate around a first rotation axis, and the oblique tongue is provided with a first rotation axis; the inclined tongue is provided with a first working surface and a second working surface, the first working surface and the second working surface are obliquely arranged and are respectively positioned at two sides of the inclined tongue, the inclined tongue is also provided with a first chute and a second chute, the first chute and the second working surface are obliquely arranged, and the second chute and the first working surface are obliquely arranged;

one end of the inclined tongue plate reset elastic piece is matched with the inclined tongue or the inclined tongue plate and is used for enabling the inclined tongue and the inclined tongue plate to have a moving trend of moving towards the outer side of the lock shell;

the locking block is movably arranged on the lock shell and is used for being in sliding fit with the first sliding groove or the second sliding groove, when the locking block is matched with the first sliding groove, the inclined tongue cannot rotate relative to the inclined tongue plate, the inclined tongue and the inclined tongue plate only can slide along the length direction of the first sliding groove, and at the moment, the second working surface is obliquely arranged relative to the sliding direction of the inclined tongue; when the locking block is matched with the second sliding groove, the inclined tongue cannot rotate relative to the inclined tongue plate, the inclined tongue and the inclined tongue plate can only slide along the length direction of the second sliding groove, and the first working surface is obliquely arranged relative to the sliding direction of the inclined tongue;

the trigger tongue component is movably arranged on the lock shell and can extend out of the lock shell and retract back into the lock shell, the trigger tongue component is provided with an unlocking part, the unlocking part is used for being matched with the locking block, when the trigger tongue component extends out of the lock shell, the unlocking part drives the locking block to be separated from the first sliding groove or the second sliding groove, and at the moment, the locking block can rotate relative to the inclined tongue plate; when the trigger tongue component retracts to the lock shell, the unlocking part drives the locking block to move, so that the locking block moves towards the corresponding sliding groove;

and the trigger tongue reset elastic piece is matched with the trigger tongue assembly and is used for enabling the trigger tongue assembly to have a movement trend of extending out of the lock shell.

10. A lock body comprising the bidirectional flip-flop locking mechanism of any one of claims 1 to 9.