CN219281469U - Spring bolt assembly and lock body - Google Patents

Abstract

The application discloses lock tongue assembly and lock body, wherein, lock tongue assembly includes: the lock tongue is arranged on the lock shell and is provided with an inclined tongue part and an anti-falling part, and the inclined tongue part or the anti-falling part is provided with a matching surface and an anti-overturning chute; the guide piece is arranged on the lock shell in a sliding manner and is matched with the matching surface of the lock tongue; the first elastic reset piece is arranged in the lock shell and is matched with the guide piece; and the locking piece is movably arranged on the lock shell and is matched with the anti-overturning chute, the locking piece is provided with a locking working position and an unlocking working position, when the locking piece is positioned in the locking working position, the locking piece is embedded into the anti-overturning chute, the lock tongue cannot rotate and can only slide along the direction of the locking piece, and when the locking piece is positioned in the unlocking working position, the locking piece is separated from the anti-overturning chute, and the lock tongue can rotate and slide. The lock case is provided with a locking piece, a locking hole is formed in the locking piece, and the locking piece is connected with the locking hole.

Description

Spring bolt assembly and lock body

Technical Field

The utility model relates to the field of locks, in particular to a lock tongue assembly and a lock body.

Background

The inclined tongue of the existing lock body is of a linear moving structure, when the door is closed, the inclined surface of the inclined tongue can enable the inclined tongue to move towards the inner side of the lock body, after the door is closed, the inclined tongue is reset to lock the door under the action of a spring, when the door is opened, the inclined tongue needs to move firstly, the door can be opened after the whole inclined tongue moves to the lock body, the unlocking stroke of the lock is longer, and the unlocking force is larger.

Disclosure of Invention

The present utility model addresses at least one of the above-mentioned shortcomings by providing a locking bolt assembly and a lock body.

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

a deadbolt assembly disposed on a lock housing, comprising:

the lock comprises a lock shell, a lock tongue and an anti-falling part, wherein the lock tongue is movably arranged on the lock shell and is provided with an inclined tongue part and an anti-falling part, the inclined tongue part can penetrate out of the lock shell, the anti-falling part is used for being matched with the inner side of the lock shell to prevent the lock tongue from being separated from the lock shell, the inclined tongue part or the anti-falling part is provided with a matching surface, and the inclined tongue part or the anti-falling part is provided with an anti-turning sliding groove; the inclined tongue part is provided with an inclined plane and a non-inclined plane, and the lock tongue is provided with an extending working position;

the guide piece is arranged on the lock shell in a sliding manner, and is matched with the matching surface of the lock tongue;

the first elastic reset piece is arranged in the lock shell and matched with the guide piece, and is used for enabling the guide piece to have a moving trend of pushing the lock tongue to move towards the outer side of the lock shell; and

the locking piece is movably arranged on the lock shell and is used for being matched with the anti-overturning chute, the locking piece is provided with a locking working position and an unlocking working position, when the locking piece is in the locking working position, the locking piece is embedded into the anti-overturning chute, the lock tongue cannot rotate and can only slide along the direction of the locking piece, and when the locking piece is in the unlocking working position, the locking piece is separated from the anti-overturning chute, and the lock tongue can rotate and slide;

when the lock tongue is in the extending working position and the locking piece is in the locking working position, the lock tongue is kept in the extending working position after the non-inclined surface of the inclined tongue is pressed, and the inclined surface of the inclined tongue can slide to the inner side of the lock shell after the inclined surface of the inclined tongue is pressed;

when the lock tongue is in the extending working position and the locking piece is in the unlocking working position, the lock tongue can turn over and move into the lock shell after the non-inclined surface of the inclined tongue is pressed.

This application simple structure can make the spring bolt upset and remove to in the lock shell through the reaction force of door frame when opening the door, need not great power and just can realize opening the door operation, need not to drive the spring bolt specially when opening the door to the inboard removal of lock shell for prior art, only need to make the locking piece switch to the unblock working position, the unblock stroke of spring bolt is short.

In practical use, the first elastic restoring member may be a plurality of elastic members such as a torsion spring, a compression spring, a tension spring, etc.

In practical use, the locking piece can be arranged on the lock shell in a sliding or rotating way.

In one embodiment of the present utility model, the guide member has a straight surface, the latch has an initial state and a turned state, the mating surface has a straight portion and a turned portion connected to the straight portion, the turned portion is an arc surface or an inclined surface, the straight portion mates with the straight surface of the guide member, when the latch is in the extended working position, the latch is in the initial state, and when the latch is in the unlocked working position, the turned portion is used to facilitate the switch of the latch to the turned state after the latch is pressed.

The straight part and the turnover part of the matching surface are designed, so that the state of the lock tongue can be reset to the initial state when the guide piece pushes the lock tongue to extend out of the lock shell.

In an embodiment of the utility model, the two opposite side walls of the oblique tongue portion are provided with the anti-overturning chute.

The arrangement can improve the universality, and when in actual use, the oblique tongue is detached and rotated 180 degrees for installation, so that the interchange operation of left and right door opening can be realized.

In one embodiment of the present utility model, the first elastic restoring member is a compression spring, the lock tongue assembly further includes a mounting frame fixed to the lock case, one end of the first elastic restoring member is mounted on the mounting frame, and the other end of the first elastic restoring member abuts against the guide member.

The mounting frame is fixed with the lock shell, and the condition that the mounting frame and the lock shell are integrally formed is also included.

In one embodiment of the present utility model, the guide member has a mounting groove, and one end of the first elastic restoring member is embedded in the mounting groove.

In one embodiment of the utility model, the guide member has a slider thereon, and the lock housing has a bar-shaped hole thereon for engaging with the slider.

In one embodiment of the utility model, the anti-overturning device further comprises a second elastic reset piece arranged in the lock shell, wherein the locking piece is rotatably arranged on the lock shell and is provided with a first part and a second part, and the first part is used for being matched with the anti-overturning chute; the second elastic reset piece is used for enabling the first part of the locking piece to have a rotation trend of rotating towards one side of the anti-overturning chute.

In practical use, the second elastic restoring member may be a torsion spring, a compression spring, a tension spring, or other elastic members, and in view of the fact that the locking member is rotatably mounted on the lock case, the second elastic restoring member is preferably a torsion spring.

The application also discloses a lock body comprising a lock shell and the lock tongue assembly.

In one embodiment of the present utility model, the lock body further includes:

the transmission gear is rotatably arranged on the lock shell and is provided with a convex part, and the convex part is used for being matched with the second part to enable the locking piece to be rotationally switched to an unlocking working position;

and the motor is arranged on the lock shell and drives the transmission gear to rotate through the transmission structure.

In one embodiment of the present utility model, the lock body further includes:

the lock cylinder is arranged on the lock shell;

the transmission plate is rotatably arranged on the lock shell and is matched with the lock cylinder, and when the shifting head of the lock cylinder rotates, the transmission plate can be driven to rotate;

the unlocking piece rotates and sets up on the lock shell, the one end and the locking piece cooperation of unlocking piece, the other end with the driving plate cooperation, the driving plate rotates and can drive the unlocking piece rotation, makes the locking piece switch to the unblock working position.

The beneficial effects of the utility model are as follows: this application simple structure can make the spring bolt upset and remove to in the lock shell through the reaction force of door frame when opening the door, need not great power and just can realize opening the door operation, need not to drive the spring bolt specially when opening the door to the inboard removal of lock shell for prior art, only need to make the locking piece switch to the unblock working position, the unblock stroke of spring bolt is short.

Drawings

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

FIG. 2 is a schematic view of another angle of the lock of example 1;

FIG. 3 is a schematic view of the ramped surface of the locking bolt being compressed to retract toward the housing when the locking member is in the locked operative position;

FIG. 4 is a schematic view of the locking bolt and guide;

FIG. 5 is a schematic view of the locking bolt in the extended operative position and the locking member in the unlocked operative position;

FIG. 6 is a schematic illustration of the FIG. 5 state with parts omitted;

FIG. 7 is a schematic diagram of the tongue flipped;

FIG. 8 is a schematic view of the locking bolt fully entering the housing;

FIG. 9 is a schematic view of the lock cylinder through the drive plate and unlocking plate to switch the locking member to the unlocked operating position;

FIG. 10 is a schematic view of the housing and locking bolt;

FIG. 11 is an exploded view of the locking bolt;

FIG. 12 is a schematic view of a lock of example 2;

fig. 13 is a schematic view of the lock of embodiment 2 after the lock housing is concealed.

The reference numerals in the drawings are as follows:

100. a lock case; 101. a bar-shaped hole; 102. a hole panel; 103. a mounting frame; 1031. a through hole; 1. a bolt assembly; 2. a bolt; 21. a beveled tongue; 211. an inclined plane; 2111. a mounting cavity; 212. a non-bevel; 22. an anti-falling part; 221. an embedding groove; 2211. positioning columns; 23. a mating surface; 231. a straight portion; 232. a flipping portion; 24. an anti-overturning chute; 3. a guide member; 31. a mounting groove; 32. a slide block; 33. a flat surface; 34. a guide shaft; 4. a first elastic restoring member; 5. a locking member; 51. a first portion; 52. a second portion; 6. a second elastic restoring member; 7. a sound deadening pad; 71. a mounting part; 711. a mounting hole; 72. a working section; 8. a sound deadening member; 9. a fastener; 10. triggering the tongue assembly; 11. a master latch combination; 12. a driving mechanism; 121. a transmission gear; 1211. a convex portion; 122. a return gear; 1221. a second protruding portion; 123. a shifting block; 1231. a first boss; 13. a motor assembly; 131. a motor; 14. a circuit board; 141. a first trigger switch; 142. a second trigger switch; 143. a third trigger switch; 144. a fourth trigger switch; 145. a fifth trigger switch; 146. avoidance notch; 15. a lock core; 16. a drive plate; 17. and unlocking the sheet.

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 9, a lock body is disclosed, the lock body includes a lock case 100 and a latch bolt 2 assembly provided on the lock case 100, as shown in fig. 1, the latch bolt 2 assembly includes:

the lock tongue 2 is movably arranged on the lock shell 100, the lock tongue 2 is provided with an inclined tongue 21 and a falling-preventing part 22, the inclined tongue 21 can penetrate out of the lock shell 100, the falling-preventing part 22 is used for being matched with the inner side of the lock shell 100 to prevent the lock tongue 2 from falling out of the lock shell 100, the inclined tongue 21 or the falling-preventing part 22 is provided with a matching surface 23, and the inclined tongue 21 or the falling-preventing part 22 is provided with a turnover-preventing chute 24; the oblique tongue 21 is provided with an oblique surface 211 and a non-oblique surface 211, and the lock tongue 2 is provided with an extending working position;

the guide piece 3 is arranged on the lock shell 100 in a sliding manner, and the guide piece 3 is matched with the matching surface 23 of the lock tongue 2; the lock tongue 2 and the guide piece 3 form a lock tongue combination 1;

the first elastic reset piece 4 is arranged in the lock shell 100 and matched with the guide piece 3, and is used for enabling the guide piece 3 to have a moving trend of pushing the lock tongue 2 to move towards the outer side of the lock shell 100; and

the locking piece 5 is movably arranged on the lock shell 100 and is used for being matched with the anti-overturning chute 24, the locking piece 5 is provided with a locking working position and an unlocking working position, when the locking piece 5 is in the locking working position, the locking piece 5 is embedded into the anti-overturning chute 24, the lock tongue 2 can not rotate and can only slide along the direction of the locking piece 5, when the locking piece 5 is in the unlocking working position, the locking piece 5 is separated from the anti-overturning chute 24, and the lock tongue 2 can rotate and slide;

when the lock tongue 2 is in the extended working position and the locking piece 5 is in the locking working position, the lock tongue 2 is kept in the extended working position after the non-inclined surface 211 of the inclined tongue 21 is pressed (see fig. 1), and can slide to the inner side of the lock case 100 after the inclined surface 211 of the inclined tongue 21 is pressed (see fig. 3);

when the tongue 2 is in the extended operating position and the locking member 5 is in the unlocking operating position (see fig. 5 and 6), the tongue 2 can be turned over and moved into the lock case 100 after the non-inclined surface 211 of the inclined tongue 21 is pressed (see fig. 7 and 8).

This application simple structure can make spring bolt 2 upset and remove to in the lock shell 100 through the reaction force of door frame when opening the door, need not great power and just can realize opening the door operation, need not to drive spring bolt 2 specially to remove to the lock shell 100 inboard when opening the door for prior art, only need to make locking piece 5 switch to the unblock working position, and the unblock stroke of spring bolt 2 is short.

In practical use, the first elastic restoring member 4 may be a plurality of elastic members such as a torsion spring, a compression spring, a tension spring, and the like.

In practice, the locking member 5 may be slidably or rotatably mounted on the lock housing 100.

As shown in fig. 4, in this embodiment, the guide member 3 has a flat surface 33, the latch has an initial state and a turned state, the mating surface 23 has a flat portion 231 and a turned portion 232 connected to the flat portion 231, the turned portion 232 is an arc surface or inclined surface 211, the flat portion 231 mates with the flat surface 33 of the guide member 3, when the latch bolt 2 is in the extended operating position, the latch bolt is in the initial state, and the turned portion 232 is used to facilitate the switch to the turned state after the latch bolt 2 is pressed when the lock member 5 is in the unlocking operating position. The flat portion 231 and the turnover portion 232 of the mating surface 23 are designed such that the guide 3 can restore the state of the locking bolt 2 itself to the original state when pushing the locking bolt 2 to protrude from the lock case 100.

In this embodiment, the two opposite side walls of the tongue 21 are provided with anti-overturning grooves 24. The arrangement can improve the universality, and when in actual use, the oblique tongue is detached and rotated 180 degrees for installation, so that the interchange operation of left and right door opening can be realized.

As shown in fig. 1 and 4, in this embodiment, the first elastic restoring member 4 is a compression spring, the lock tongue 2 assembly further includes a mounting bracket 103 fixed to the lock case 100, and one end of the first elastic restoring member 4 is mounted on the mounting bracket 103, and the other end abuts against the guide member 3.

The mounting frame 103 is fixed with the lock shell 100, and the condition that the mounting frame 103 and the lock shell 100 are integrally formed is also included.

As shown in fig. 1, in the present embodiment, the guide member 3 has a mounting groove 31, and one end of the first elastic restoring member 4 is fitted into the mounting groove 31.

As shown in fig. 1 and 2, in the present embodiment, the guide 3 has a slider 32 thereon, and the lock case 100 has a bar-shaped hole 101 that is engaged with the slider 32 thereon.

As shown in fig. 1 and 3, in this embodiment, the lock further comprises a second elastic restoring member 6 provided in the lock housing 100, the lock 5 is rotatably mounted on the lock housing 100, and the lock 5 has a first portion 51 and a second portion 52, the first portion 51 is for cooperating with the anti-turnover chute 24; the second elastic restoring member 6 serves to cause the first portion 51 of the locking member 5 to have a rotational tendency toward the side of the anti-tip slide groove 24.

In practical use, the second elastic restoring member 6 may be a plurality of elastic members such as a torsion spring, a compression spring, a tension spring, etc., and in view of the fact that the locking member 5 is rotatably mounted on the lock housing 100, the second elastic restoring member 6 is preferably a torsion spring.

As shown in fig. 6, in this embodiment, the lock body further includes:

a transmission gear 121 rotatably provided on the lock housing 100, the transmission gear 121 having a protrusion 1211 thereon, the protrusion 1211 being adapted to cooperate with the second portion 52 to rotationally shift the locking member 5 to the unlocking position;

a motor 131 mounted on the lock case 100 and driving the transmission gear 121 to rotate through a transmission structure.

As shown in fig. 9, in this embodiment, the lock body further includes:

a lock cylinder 15 provided on the lock case 100;

the transmission plate 16 is rotatably arranged on the lock shell 100, the transmission plate 16 is matched with the lock cylinder 15, and when the shifting head of the lock cylinder 15 rotates, the transmission plate 16 can be driven to rotate;

the unlocking plate 17 is rotatably arranged on the lock shell 100, one end of the unlocking plate 17 is matched with the locking piece 5, the other end of the unlocking plate is matched with the transmission plate 16, and the rotation of the transmission plate 16 can drive the unlocking plate 17 to rotate, so that the locking piece 5 is switched to an unlocking working position.

Example 2

As shown in fig. 10 and 11, this embodiment discloses a deadening structure of a lock tongue 2, including:

a lock case 100, one side of the lock case 100 having a hole panel 102;

the lock tongue 2 is movably arranged on the lock shell 100, the lock tongue 2 is provided with an inclined tongue 21 and an anti-falling part 22, the inclined tongue 21 can penetrate out of a hole panel 102 of the lock shell 100, the anti-falling part 22 is positioned in the lock shell 100 and used for preventing the lock tongue 2 from being separated from the lock shell 100, and the lock tongue 2 is provided with an extending working position;

and the silencing pad 7 is arranged on one side of the anti-falling part 22 facing the hole panel 102, and when the lock tongue 2 is in the extended working position, the silencing pad 7 is contacted with the hole panel 102.

This application is through setting up amortization pad 7 on anticreep portion 22 for when closing the door, when lock tongue 2 outwards pops out, anticreep portion 22 collides with hole panel 102 through amortization pad 7, effective noise reduction.

In practice, the noise-reducing pad 7 may be made of a material having a function of buffering and noise reduction, such as rubber.

In actual use, the noise reduction pad 7 is adhered or mounted on the anti-drop portion 22 by the fastener 9. In this embodiment, the noise damping pad 7 is fitted on the drop-preventing portion 22.

As shown in fig. 10 and 11, in the present embodiment, the anti-drop portion 22 has an insertion groove 221, and the muffler pad 7 includes a mounting portion 71 and a working portion 72, and the mounting portion 71 is inserted into the insertion groove 221. Thus, the installation is convenient.

As shown in fig. 11, in the present embodiment, the anti-falling portion 22 further has a positioning post 2211 located in the fitting groove 221, and the mounting portion 71 of the sound deadening pad 7 has a mounting hole 711, and the mounting hole 711 is sleeved on the positioning post 2211. Through the cooperation of the positioning column 2211 and the mounting hole 711, the installation and the positioning are convenient, and the stable and reliable position of the silencing pad 7 can be ensured.

In this embodiment, two anti-falling parts 22 are symmetrically arranged at two sides of the lock tongue 2, and each anti-falling part 22 is provided with two silencing pads 7.

As shown in fig. 10 and 11, in the present embodiment, the inclined tongue portion 21 has an inclined surface 211, and the muffler 8 is fitted to the inclined surface 211 of the inclined tongue portion 21. In practice, the silencing member 8 may be made of a material having a buffering function, such as plastic.

As shown in fig. 11, in the present embodiment, the inclined surface 211 of the inclined tongue portion 21 has a mounting chamber 2111, and the muffler 8 is fitted in the mounting chamber 2111 and fixed to the inclined tongue portion 21 by a fastener 9 penetrating the bottom wall of the mounting chamber 2111. The existing silencing piece 8 is fixed on the inclined tongue portion 21 through a pin penetrating through the inclined tongue portion 21, and when the inclined tongue extends out of a working position, the pin is exposed, so that the overall attractiveness is affected, and the pin is easy to separate.

In this embodiment, the oblique tongue 21 is also called a tongue, and the tongue 2 in this embodiment is a unidirectional tongue 2, and the tongue 2 may be a bidirectional tongue 2 when actually used.

The deadening structure of the lock tongue 2 of the present embodiment can be applied to the lock body of embodiment 1.

Example 3

As shown in fig. 12 and 13, this embodiment differs from embodiment 1 in that:

the mounting frame 103 is provided with a through hole 1031, the lock tongue combination 1 is also provided with a guide shaft 34 (the guide shaft 34 is arranged on the guide piece 3), and the guide shaft 34 is in sliding fit with the through hole 1031; the first elastic reset piece 4 is matched with the lock tongue combination 1 and is used for enabling the lock tongue combination 1 to have a moving trend of moving towards the outer side of the lock shell 100;

the lock further comprises a circuit board 14 and a first trigger switch 141, wherein the circuit board 14 is arranged in the lock shell 100, the first trigger switch 141 is arranged on the circuit board 14 and is used for being matched with the guide shaft 34, the guide shaft 34 does not trigger the first trigger switch 141 when the lock tongue combination 1 passes through the lock shell 100, and the guide shaft 34 triggers the first trigger switch 141 when the lock tongue combination 1 retracts into the lock shell 100.

The guide shaft 34 is in sliding fit with the through hole 1031 of the mounting frame 103, so that the spring bolt combination 1 can move stably and reliably, and can be matched with the first trigger switch 141 on the circuit board 14 to judge the state of the spring bolt combination 1, and the whole structure is simple and reliable.

As shown in fig. 12, in this embodiment, the circuit board 14 has a relief recess 146, and when the latch bolt assembly 1 is retracted into the lock case 100, the guide shaft 34 extends into the relief recess 146. Such as notches, allow for a more compact construction.

In this embodiment, the first elastic restoring element 4 is a compression spring that is sleeved on the guide shaft 34.

As shown in fig. 12, in this embodiment, the trigger tongue assembly 10 and the second trigger switch 142 fixed on the circuit board 14 are further included, and the second trigger switch 142 is used to cooperate with the trigger tongue assembly 10 to detect the position state of the trigger tongue assembly 10. The trigger tongue assembly 10 may take on existing construction.

As shown in fig. 12, in this embodiment, the device further includes a main latch assembly 11, a driving mechanism 12, a motor assembly 13, and a third trigger switch 143 fixed on the circuit board 14, where the driving mechanism 12 includes a shifting block 123 for driving the main latch assembly 11 to move, the shifting block 123 has a first protruding portion 1231, and the first protruding portion 1231 cooperates with the third trigger switch 143 to detect a position state of the main latch assembly 11. The main latch combination 11, the drive mechanism 12 and the motor assembly 13 may be configured.

As shown in fig. 12 and 13, in the present embodiment, the driving mechanism 12 includes a transmission gear 121 and a return gear 122 that are meshed with each other, the return gear 122 has a second protrusion 1221 thereon, and the lock body further includes a fourth trigger switch 144 fixed on the circuit board 14, where the fourth trigger switch 144 is engaged with the return gear 122.

As shown in fig. 12, in this embodiment, the latch assembly and the trigger tongue assembly 10 are disposed on the same side of the lock case 100, the trigger tongue assembly 10 is disposed below the lock tongue assembly 1, the motor assembly 13 is disposed on a side of the lock case 100 away from the trigger tongue assembly 10, the driving mechanism 12 is disposed between the trigger tongue assembly 10 and the motor assembly 13, and the circuit board 14 is disposed in a space enclosed by the mounting frame 103, the trigger tongue assembly 10, the driving mechanism 12, the motor assembly 13 and the lock case 100. The trigger switches are all arranged on the circuit board 14, and the circuit board 14 is positioned in a space surrounded by the mounting frame 103, the trigger tongue assembly 10, the driving mechanism 12, the motor assembly 13 and the lock shell 100, so that the whole structure is compact.

As shown in fig. 12 and 13, in this embodiment, the device further includes a fifth trigger switch 145 fixed on the circuit board 14, where the fifth trigger switch 145 cooperates with the locking member 5 to detect the working position of the locking member 5.

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 deadbolt assembly disposed on a lock housing, comprising:

the lock comprises a lock shell, a lock tongue and an anti-falling part, wherein the lock tongue is movably arranged on the lock shell and is provided with an inclined tongue part and an anti-falling part, the inclined tongue part can penetrate out of the lock shell, the anti-falling part is used for being matched with the inner side of the lock shell to prevent the lock tongue from being separated from the lock shell, the inclined tongue part or the anti-falling part is provided with a matching surface, and the inclined tongue part or the anti-falling part is provided with an anti-turning sliding groove; the inclined tongue part is provided with an inclined plane and a non-inclined plane, and the lock tongue is provided with an extending working position;

the guide piece is arranged on the lock shell in a sliding manner, and is matched with the matching surface of the lock tongue;

the first elastic reset piece is arranged in the lock shell and matched with the guide piece, and is used for enabling the guide piece to have a moving trend of pushing the lock tongue to move towards the outer side of the lock shell; and

the locking piece is movably arranged on the lock shell and is used for being matched with the anti-overturning chute, the locking piece is provided with a locking working position and an unlocking working position, when the locking piece is in the locking working position, the locking piece is embedded into the anti-overturning chute, the lock tongue cannot rotate and can only slide along the direction of the locking piece, and when the locking piece is in the unlocking working position, the locking piece is separated from the anti-overturning chute, and the lock tongue can rotate and slide;

when the lock tongue is in the extending working position and the locking piece is in the locking working position, the lock tongue is kept in the extending working position after the non-inclined surface of the inclined tongue is pressed, and the inclined surface of the inclined tongue can slide to the inner side of the lock shell after the inclined surface of the inclined tongue is pressed;

when the lock tongue is in the extending working position and the locking piece is in the unlocking working position, the lock tongue can turn over and move into the lock shell after the non-inclined surface of the inclined tongue is pressed.

2. The latch bolt assembly of claim 1, wherein the guide member has a flat surface, the latch bolt has an initial state and a flipped state, the mating surface has a flat portion and a flipped portion connected to the flat portion, the flipped portion is an arcuate surface or an inclined surface, the flat portion mates with the flat surface of the guide member to place the latch bolt in the initial state when the latch bolt is in the extended operating position, and the flipped portion is adapted to facilitate switching of the latch bolt to the flipped state after the latch bolt is compressed when the latch bolt is in the unlocked operating position.

3. The deadbolt assembly of claim 1, wherein said anti-roll chute is provided on both oppositely disposed sidewalls of said tongue.

4. The latch assembly of claim 1 wherein said first resilient return member is a compression spring and the latch assembly further comprises a mounting bracket secured to the housing, one end of the first resilient return member being mounted on the mounting bracket and the other end being in abutment with the guide member.

5. The deadbolt assembly of claim 4, wherein said guide member has a mounting slot into which one end of said first resilient return member is inserted.

6. The deadbolt assembly of claim 1, wherein said guide has a slider thereon and said lock housing has a bar-shaped aperture thereon that mates with said slider.

7. A deadbolt assembly according to any one of claims 1 to 6, further comprising a second resilient return member disposed in the lock housing, said locking member being rotatably mounted to the lock housing, the locking member having a first portion for engagement with said anti-roll chute and a second portion; the second elastic reset piece is used for enabling the first part of the locking piece to have a rotation trend of rotating towards one side of the anti-overturning chute.

8. A lock body comprising a lock housing and the deadbolt assembly of claim 7.

9. The lock body of claim 8, further comprising:

the transmission gear is rotatably arranged on the lock shell and is provided with a convex part, and the convex part is used for being matched with the second part to enable the locking piece to be rotationally switched to an unlocking working position;

and the motor is arranged on the lock shell and drives the transmission gear to rotate through the transmission structure.

10. The lock body of claim 8, further comprising:

the lock cylinder is arranged on the lock shell;

the transmission plate is rotatably arranged on the lock shell and is matched with the lock cylinder, and when the shifting head of the lock cylinder rotates, the transmission plate can be driven to rotate;

the unlocking piece rotates and sets up on the lock shell, the one end and the locking piece cooperation of unlocking piece, the other end with the driving plate cooperation, the driving plate rotates and can drive the unlocking piece rotation, makes the locking piece switch to the unblock working position.

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