CN219138696U - Bolt mechanism and lockset - Google Patents

Abstract

The utility model discloses a lock tongue mechanism and a lock, wherein the lock comprises the lock tongue mechanism, the lock tongue mechanism comprises a shell component and a lock tongue component, the shell component is provided with an inner cavity, a rotatable toggle piece is arranged in the inner cavity, a movable first pull rod is arranged in the inner cavity, the toggle piece is connected with the first pull rod and can drive the first pull rod to move, the lock tongue component is provided with a guide surface and can extend out of the inner cavity, the lock tongue component can rotate relative to the first pull rod, and the first pull rod can drive the lock tongue component to move so that the lock tongue component can move and retract into the inner cavity. Through setting up the latch bolt subassembly and can rotate relative first pull rod, install behind the door page or when the door page or leaf changes direction of rotation at the tool to lock, can make the guide surface correspond with the direction of rotation of door page or leaf through rotating the latch bolt subassembly to the rotation of adaptation door page or leaf uses, improves adaptability, and is favorable to avoiding the tool to lock to need wholly dismantle the trouble of reinstallation, convenient to install and use.

Description

Bolt mechanism and lockset

Technical Field

The utility model relates to the technical field of door lock devices, in particular to a lock tongue mechanism and a lockset.

Background

The existing lockset is generally of a movable structure, and the pulling rod is pulled by the pulling piece to drive the spring bolt assembly to move and stretch, so that locking and unlocking operations are realized. For oblique spring bolts, a guide surface is generally arranged on the spring bolt corresponding to the rotation direction of the door leaf, so that the lock needs to be positively and negatively installed corresponding to the rotation directions of the door leaves in different rotation directions, and the guide surface corresponds to the rotation directions of the door leaves. The lock structure is easy to be misplaced during installation, so that the guide surface is not corresponding to the rotation direction of the door leaf, or the lock is required to be integrally disassembled for reinstallation after the rotation direction of the door leaf is changed, the installation is more troublesome, the adaptability to the door leaves with different rotation directions is poor, and the installation and the use are inconvenient.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides a lock tongue mechanism, which can rotate relative to a first pull rod by arranging the lock tongue assembly, so that the guide surface corresponds to the rotation direction of a door leaf by rotating the lock tongue assembly, the adaptability is improved, and the installation and the use are convenient.

The utility model also provides a lockset with the bolt mechanism.

According to a first aspect of the utility model, a latch mechanism comprises a housing assembly and a latch assembly, wherein the housing assembly is provided with an inner cavity, a rotatable toggle piece is arranged in the inner cavity, a movable first pull rod is arranged in the inner cavity, the toggle piece is connected with the first pull rod and can drive the first pull rod to move, the latch assembly is provided with a guide surface and can extend out of the inner cavity, the latch assembly can rotate relative to the first pull rod, and the first pull rod can drive the latch assembly to move so that the latch assembly can move and retract into the inner cavity.

According to the embodiment of the utility model, the bolt mechanism has at least the following beneficial effects: when the door lock is locked, the lock tongue assembly extends out of the inner cavity and is inserted into a concave position corresponding to the door frame, so that the door page is locked; when unlocking, the toggle piece is utilized to drive the first pull rod to move, and the first pull rod is utilized to drive the lock tongue assembly to move, so that the lock tongue assembly can move and retract into the inner cavity, and unlocking of the door leaf is realized. Through setting up the latch bolt subassembly and can rotate relative first pull rod, install behind the door page or when the door page or leaf changes direction of rotation at the tool to lock, can make the guide surface correspond with the direction of rotation of door page or leaf through rotating the latch bolt subassembly to the rotation of adaptation door page or leaf uses, improves adaptability, and is favorable to avoiding the tool to lock to need wholly dismantle the trouble of reinstallation, convenient to install and use.

According to some embodiments of the utility model, the housing assembly is provided with a moving groove, the first pull rod is provided with a moving part and a poking hole, the moving part is inserted into the moving groove and can move along the moving groove, and one end of the poking piece is inserted into the poking hole.

According to some embodiments of the utility model, the housing assembly comprises a mounting member and an end cover plate, wherein the mounting member is provided with a through hole for the bolt assembly to pass through, the end cover plate is provided with a rotation limiting hole for the bolt assembly to pass through, the end cover plate is detachably connected to the mounting member, the bolt assembly can rotate relative to the through hole, and the rotation limiting hole can limit the bolt assembly to rotate.

According to some embodiments of the utility model, a first resilient member is disposed within the interior cavity, the first resilient member acting on the latch bolt assembly and being capable of moving the latch bolt assembly out of the interior cavity.

According to some embodiments of the utility model, the latch bolt assembly is connected to a second pull rod, the second pull rod is connected to the first pull rod and can rotate and move relative to the first pull rod, and the first pull rod can drive the latch bolt assembly to move through the second pull rod.

According to some embodiments of the utility model, the first pull rod is provided with a first linkage part, the second pull rod penetrates through the first linkage part and can rotate relative to the first linkage part, the second pull rod is provided with a limiting piece, the first linkage part can be in abutting connection with the limiting piece, so that the first pull rod can drive the second pull rod to move through the limiting piece, and the second pull rod can move relative to the first linkage part, so that the limiting piece is separated from the first linkage part.

According to some embodiments of the utility model, the latch mechanism further comprises a brake assembly including a trigger member and a brake member, the trigger member being located on a side of the latch assembly facing away from the guide surface, the brake member being located in the cavity, the trigger member being extendable from the cavity, the trigger member being movable relative to the latch assembly to retract into the cavity and trigger actuation of the brake member to cause the brake member to limit movement of the latch assembly into the cavity, the second lever being movable relative to the latch assembly and to release movement restriction of the latch assembly by the brake member, the latch assembly being movable to retract the trigger member into the cavity.

According to some embodiments of the utility model, the latch bolt assembly comprises a connecting seat, a linkage groove is formed in the connecting seat, the second pull rod is provided with a second linkage part and a pushing part, the second linkage part is located in the linkage groove and can move along the linkage groove, the second linkage part can move to be abutted with a wall part of the linkage groove so as to enable the second pull rod to drive the latch bolt assembly to move, the trigger piece is provided with a third linkage part, the brake piece is provided with a braking part, the brake assembly further comprises a second elastic piece, the connecting seat is provided with a limiting side, the second elastic piece acts on the braking part and can enable the braking part to move to the limiting side of the connecting seat so as to block the connecting seat from moving, the third linkage part can abut with the braking part and limit the braking part to move to the limiting side of the connecting seat, and the trigger piece can move and release the third linkage part from being abutted with the braking part and enable the second pull rod to move away from the limiting side of the connecting seat.

According to some embodiments of the utility model, the braking member has a fourth linkage portion, the second pull rod passes through the fourth linkage portion and the third linkage portion, the second pull rod is connected with a rotating seat, a supporting portion is arranged on the rotating seat, the braking member is abutted to the supporting portion, the second pull rod can drive the rotating seat to rotate, and the second elastic member acts on the fourth linkage portion and the third linkage portion respectively and can enable the braking member to rotate relative to the supporting portion.

According to some embodiments of the utility model, the second pull rod is connected with a rotating seat, a limiting part is arranged on the rotating seat, and the trigger piece can move to be abutted with the limiting part.

According to a second aspect of the utility model, an embodiment of the lock comprises a bolt mechanism according to the first aspect of the utility model.

The lockset provided by the embodiment of the utility model has at least the following beneficial effects: through adopting foretell spring bolt mechanism, its spring bolt subassembly can rotate relative first pull rod, after the tool to lock is installed in the door page or when the door page or leaf changes direction of rotation, can make the guide surface correspond with the direction of rotation of door page or leaf through rotating the spring bolt subassembly to the rotation of adaptation door page or leaf uses, improves adaptability, and is favorable to avoiding the tool to lock to need wholly dismantle the trouble of reinstallation, the installation of being convenient for uses.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a schematic view of a latch mechanism according to an embodiment of the present utility model;

FIG. 2 is an exploded view of the latch mechanism of FIG. 1;

FIG. 3 is a schematic view of a portion of the latch mechanism of FIG. 1;

FIG. 4 is a schematic cross-sectional view of the latch mechanism of FIG. 1;

FIG. 5 is a second schematic cross-sectional view of the latch mechanism of FIG. 1;

fig. 6 is a schematic cross-sectional view of the latch mechanism of fig. 5 with the brake assembly in an activated state.

Reference numerals:

the housing assembly 100, the moving groove 101, the mounting member 110, the through hole 111, the end cover plate 120, and the rotation limiting hole 121;

the first pull rod 210, the first linkage part 211, the moving part 212, the stirring hole 213 and the stirring piece 220;

the lock tongue assembly 300, the guide surface 301, the lock tongue piece 310, the avoidance cavity 311, the connecting seat 320 and the linkage groove 321;

the first elastic member 410, the second pull rod 420, the limiting member 421, the second linkage part 422, the pushing part 423, the rotating seat 430, the supporting part 431, and the limiting part 432;

the brake assembly 500, the trigger 510, the third linkage 511, the brake 520, the brake 521, the fourth linkage 522, and the second elastic member 530.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that if an orientation or positional relationship such as upper, lower, front, rear, left, right, etc. is referred to in the description of the present utility model, it is merely for convenience of description and simplification of the description, and does not indicate or imply that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

Referring to fig. 1, 2, 3 and 4, a latch mechanism includes a housing assembly 100 and a latch assembly 300, the housing assembly 100 having an interior cavity in which a rotatable toggle member 220 is disposed, a movable first lever 210 is disposed in the interior cavity, the toggle member 220 is coupled to the first lever 210 and is capable of moving the first lever 210, the latch assembly 300 has a guide surface 301 and is capable of extending from the interior cavity, the latch assembly 300 is capable of rotating relative to the first lever 210, and the first lever 210 is capable of moving the latch assembly 300 to enable the latch assembly 300 to move and retract into the interior cavity.

It will be appreciated that toggle 220 is rotatably coupled to the left side of housing assembly 100 as seen in fig. 1, 2, 3 and 4, and latch bolt assembly 300 is disposed on the right side of housing assembly 100 and is capable of telescopic movement relative to housing assembly 100 to extend from the interior cavity. When the door lock is used, the lock tongue mechanism is used on a corresponding lock, the lock is arranged on the door leaf, and when the door lock is locked, the lock tongue assembly 300 extends out of the inner cavity and is inserted into a corresponding concave position of the door frame, so that the door leaf is locked; when unlocking, the toggle piece 220 is utilized to drive the first pull rod 210 to move, and the first pull rod 210 drives the lock tongue assembly 300 to move, so that the lock tongue assembly 300 can move and retract into the inner cavity, and unlocking of the door leaf is realized. For the existing guide surface 301 of the oblique lock tongue, it is generally set to one side rotating towards the door leaf closing direction, through setting the lock tongue assembly 300, the guide surface 301 can be corresponding to the door leaf closing rotation direction by rotating the lock tongue assembly 300 after the lock is mounted on the door leaf or when the door leaf changes the door closing rotation direction, thus adapting to the door leaf rotation, improving the adaptability, being beneficial to avoiding the trouble that the lock needs to be dismounted and reinstalled as a whole, and being convenient for mounting and use.

In practical applications, the specific structures of the housing assembly 100, the latch bolt assembly 300, the toggle member 220 in the inner cavity, the first pull rod 210 and other transmission members can be set according to the practical requirements, and will not be described in detail herein.

In some embodiments, the housing assembly 100 is provided with a moving slot 101, the first pull rod 210 is provided with a moving portion 212 and a poking hole 213, the moving portion 212 is inserted into the moving slot 101 and can move along the moving slot 101, and one end of the poking piece 220 is inserted into the poking hole 213.

As can be understood, as shown in fig. 1, 2 and 4, the front side and the rear side of the housing assembly 100 are respectively provided with a moving slot 101, the first pull rod 210 is provided with a moving part 212 corresponding to the moving slot 101, and the moving part 212 is inserted into the moving slot 101 and can move along the moving slot 101, so that the first pull rod 210 can move relative to the housing assembly 100; the first pull rod 210 is provided with a stirring hole 213, one end of the stirring piece 220 is inserted into the stirring hole 213, so that when the stirring piece 220 rotates, the first pull rod 210 can be driven to move by pushing the wall part of the stirring hole 213, and the structure is simple and reasonable, and the assembly, connection and use are convenient.

In practical application, besides the above structure, a sliding rail structure matched with the first pull rod 210 may be further disposed on the housing assembly 100 to realize movement of the first pull rod 210, and the toggle member 220 and the first pull rod 210 may be connected through a rocker-slider link mechanism or a rack-and-pinion structure, so as to realize rotation of the toggle member 220 to drive the first pull rod 210 to move, which may be set correspondingly according to practical use requirements.

In some embodiments, the housing assembly 100 includes a mounting member 110 and an end cover plate 120, the mounting member 110 is provided with a through hole 111 for the latch assembly 300 to pass through, the end cover plate 120 is provided with a rotation limiting hole 121 for the latch assembly 300 to pass through, the end cover plate 120 is detachably connected to the mounting member 110, the latch assembly 300 can rotate relative to the through hole 111, and the rotation limiting hole 121 can limit the latch assembly 300 to rotate.

As can be appreciated, as shown in fig. 1, 2 and 4, the housing assembly 100 includes a mounting member 110 and an end cap plate 120 disposed on a front side, the latch bolt assembly 300 is inserted through a through hole 111 on the mounting member 110 and a rotation limiting hole 121 of the end cap plate 120 to protrude from the inner cavity, the rotation limiting hole 121 has a substantially arcuate hole structure and is adapted to the outline shape of the latch bolt assembly 300 so as to limit the rotation of the latch bolt assembly 300 through the rotation limiting hole 121, and the orientation position of the guide surface 301 is fixed; when the orientation of the guide surface 301 is changed, the end cover plate 120 is detached to release the limitation of rotation of the latch bolt assembly 300, so that the latch bolt assembly 300 can rotate relative to the mounting piece 110 and adjust the orientation of the guide surface 301, and after the adjustment is completed, the end cover plate 120 is replaced or the end cover plate 120 is reversely mounted to limit the rotation of the latch bolt assembly 300 again, so that the adjustment and fixation of the orientation side of the guide surface 301 are completed, and the use is convenient.

In practical application, the end cover plate 120 and the mounting piece 110 can be detachably connected through a bolt structure or a clamping structure; in addition to the above structure, the end cover plate 120 may be rotatably connected to the mounting member 110, so that the end cover plate 120 can rotate along with the latch bolt assembly 300, and a screw member is disposed between the end cover plate 120 and the mounting member 110 to compress the end cover plate 120 on the mounting member 110, so as to fix the end cover plate 120, thereby fixing the orientation position of the guide surface 301; the specific configuration of the end cap 120 and the mounting member 110 may be set accordingly according to the actual use requirements.

In some embodiments, a first resilient member 410 is disposed within the interior cavity, the first resilient member 410 acting on the latch bolt assembly 300 and enabling the latch bolt assembly 300 to move out of the interior cavity.

As can be appreciated, as shown in fig. 2, 3, 4 and 5, the left side of the latch assembly 300 is provided with a first elastic member 410, the first elastic member 410 is a spring and acts on the latch assembly 300, when in use, the first pull rod 210 drives the latch assembly 300 to move leftwards to retract into the inner cavity, the first elastic member 410 is compressed, after the operation of the toggle member 220 is released, the latch assembly 300 can move rightwards under the action of the first elastic member 410 to reset and stretch out from the inner cavity, and meanwhile, the first pull rod 210 can be driven to reset, and the latch assembly 300 can be kept in a stretched state well, so that the use is convenient.

In practical application, besides the above structure, the first pull rod 210 may be rotatably clamped with the latch bolt assembly 300, so that the first pull rod 210 can drive the latch bolt assembly 300 to move in a telescopic manner, and can be set correspondingly according to practical use requirements.

In some embodiments, the latch bolt assembly 300 is connected to a second rod 420, the second rod 420 is connected to the first rod 210 and can rotate and move relative to the first rod 210, and the first rod 210 can drive the latch bolt assembly 300 to move through the second rod 420.

As can be appreciated, as shown in fig. 2, 3, 4 and 5, the second rod 420 is connected to the left side of the latch bolt assembly 300, the latch bolt assembly 300 is connected to the first rod 210 through the second rod 420, and the second rod 420 can rotate relative to the first rod 210, so that the latch bolt assembly 300 can rotate relative to the first rod 210, and the orientation of the guide surface 301 can be adjusted; by providing the second pull rod 420 capable of moving relative to the first pull rod 210, so that the latch bolt assembly 300 can move relative to the second pull rod 420, the latch bolt assembly 300 can be pressed independently to move, the first pull rod 210 and the toggle piece 220 are prevented from being triggered to act, and the door frame part can drive the latch bolt assembly 300 to move leftwards and retract by pushing against the push-and-pull surface 301, so that the door frame is convenient to use.

In practical applications, besides the above structure, the first pull rod 210 and the latch bolt assembly 300 may be directly connected in a rotating manner, so as to realize the rotation of the latch bolt assembly 300; the specific structure of the first pull rod 210 and the specific connection structure between the second pull rod 420 and the first pull rod 210 may be set according to the actual use requirement, and will not be described in detail herein.

In some embodiments, the first pull rod 210 is provided with a first linkage part 211, the second pull rod 420 penetrates through the first linkage part 211 and can rotate relative to the first linkage part 211, the second pull rod 420 is provided with a limiting piece 421, the first linkage part 211 can be in contact with the limiting piece 421, so that the first pull rod 210 can drive the second pull rod 420 to move through the limiting piece 421, and the second pull rod 420 can move relative to the first linkage part 211, so that the limiting piece 421 is separated from the first linkage part 211.

As can be understood, as shown in fig. 2, 3, 4 and 5, the left end of the second pull rod 420 is provided with a first linkage part 211 in a penetrating manner and is provided with a limiting piece 421, the first linkage part 211 is provided with a notch so that the second pull rod 420 can rotate relative to the first linkage part 211, and the limiting piece 421 is positioned at the left side of the first linkage part 211 and is abutted against the first linkage part 211 so that the first pull rod 210 can drive the second pull rod 420 to move leftwards through the limiting piece 421 to drive the latch bolt assembly 300 to move leftwards for retraction; when the lock tongue assembly 300 is pressed to move leftwards, the lock tongue assembly 300 drives the second pull rod 420 to move leftwards, the first linkage part 211 is separated from the limiting piece 421, and the relative movement between the second pull rod 420 and the first pull rod 210 is realized.

In practical application, the second pull rod 420 and the limiting member 421 may be in an integral structure or a split structure, or the second pull rod 420 may be separated from the limiting member 421 when moving leftwards, and the first pull rod 210 may drive the second pull rod 420 to move through the limiting member 421 when moving leftwards, which may be set according to practical requirements.

In some embodiments, the latch mechanism further includes a brake assembly 500, the brake assembly 500 includes a trigger 510 and a brake 520, the trigger 510 is located on a side of the latch assembly 300 away from the guide surface 301, the brake 520 is located in the inner cavity, the trigger 510 can extend from the inner cavity, the trigger 510 can be moved and retracted into the inner cavity relative to the latch assembly 300 and trigger the brake 520 to act, so that the brake 520 limits the movement of the latch assembly 300 to retract into the inner cavity, the second pull rod 420 can be moved relative to the latch assembly 300 and can release the movement limit of the brake 520 to the latch assembly 300, and the latch assembly 300 can drive the trigger 510 to move and retract into the inner cavity.

It will be appreciated that as shown in fig. 2, 3, 5 and 6, the guide surface 301 is located on the front side of the latch assembly 300, and the trigger 510 is located on the rear side of the latch assembly 300, so that the latch assembly 300 can shield the trigger 510, and the trigger 510 partially abuts against the left side of the latch assembly 300, so that the latch assembly 300 can drive the trigger 510 to move leftwards. When the door leaf is opened, the trigger piece 510 and the lock tongue assembly 300 are both in an extending state, and when the door leaf is closed, the toggle piece 220 is utilized to move with the first pull rod 210, the first pull rod 210 drives the lock tongue assembly 300 to move through the second pull rod 420, and the lock tongue assembly 300 can drive the trigger piece 510 to move leftwards and retract into the inner cavity, so that the lock tongue assembly 300 and the trigger piece 510 are both retracted into the inner cavity, and the door leaf is conveniently closed; when the door leaf is in a closed state, the trigger piece 510 is abutted with the door frame so as to move and retract into the inner cavity relative to the lock tongue assembly 300 and trigger the brake piece 520 to act, so that the brake piece 520 limits the lock tongue assembly 300 to move and retract into the inner cavity, thereby being beneficial to avoiding an external person from pushing the lock tongue assembly 300 to move and retract leftwards by utilizing the guide surface 301 and improving the anti-theft performance of the lockset; when unlocking, the toggle piece 220 is utilized to move with the first pull rod 210, the first pull rod 210 drives the second pull rod 420 to move, and the second pull rod 420 can move relative to the lock tongue assembly 300, so that the second pull rod 420 moves firstly and releases the movement restriction of the brake piece 520 on the lock tongue assembly 300, and then the second pull rod 420 drives the lock tongue assembly 300 to move, so that the lock tongue assembly 300 moves leftwards and retracts, and unlocking of a door leaf is realized.

In practical application, the specific structures of the trigger 510 and the brake 520, and the specific connection structures between the trigger and the second rod 420 and the latch bolt assembly 300 can be set according to the practical application requirements, and will not be described in detail herein.

In some embodiments, the latch bolt assembly 300 includes a connecting seat 320, a linkage groove 321 is disposed on the connecting seat 320, the second pull rod 420 is provided with a second linkage part 422 and a pushing part 423, the second linkage part 422 is located in the linkage groove 321 and can move along the linkage groove 321, the second linkage part 422 can move to abut against a wall part of the linkage groove 321 so that the second pull rod 420 can drive the latch bolt assembly 300 to move, the trigger 510 has a third linkage part 511, the brake 520 has a brake part 521, the brake assembly 500 further includes a second elastic member 530, the connecting seat 320 has a limiting side, the second elastic member 530 acts on the brake 520 and can move the brake part 521 to the limiting side of the connecting seat 320 to block the movement of the connecting seat 320, the third linkage part 511 can abut against the brake part 521 and limit the movement of the connecting seat 320, the trigger 510 can move and release the abutment of the third linkage part 511 against the brake part 521, and the second pull rod 420 can move and push the brake part 521 by the pushing part 423 to move away from the limiting side of the brake part 521 of the connecting seat 320.

As can be appreciated, as shown in fig. 2, 3, 5 and 6, the connecting seat 320 is provided with a linkage groove 321, the right end of the second pull rod 420 is provided with a second linkage part 422, and the second linkage part 422 is located in the linkage groove 321 and can move along the linkage groove 321, so that the second pull rod 420 can move relative to the latch bolt assembly 300, and the second linkage part 422 can move to abut against a wall part of the linkage groove 321, so that the second pull rod 420 can drive the latch bolt assembly 300 to move. The left side of the connecting seat 320 is a limiting side, the third linkage part 511 is located on the left side of the connecting seat 320 and abuts against the braking part 521 to limit the braking part 521 to move to the limiting side of the connecting seat 320, the lock tongue assembly 300 further comprises a lock tongue piece 310, and the lock tongue piece 310 is provided with a avoiding cavity 311 for the braking part 521, so that when the lock tongue assembly 300 moves leftwards, the braking part 521 can be inserted into the avoiding cavity 311, and the blocking to the leftwards movement of the lock tongue assembly 300 is avoided. When the door leaf is in the closed state, the trigger 510 moves and retracts to the inner cavity relative to the lock tongue assembly 300, the third linkage part 511 is released from abutting against the braking part 521, and the braking part 521 moves to the limiting side of the connecting seat 320 under the action of the second elastic member 530 so as to block the connecting seat 320 from moving, so that the braking member 520 limits the lock tongue assembly 300 to move and retract to the inner cavity; when unlocking, the toggle piece 220 is utilized to move with the first pull rod 210, the first pull rod 210 drives the second pull rod 420 to move, the second pull rod 420 is driven to move by the cooperation of the second linkage part 422 and the linkage groove 321, the pushing part 423 is driven to move and push the braking part 521 to move, the braking part 521 leaves the limiting side of the connecting seat 320, the movement limitation of the braking piece 520 on the lock tongue assembly 300 is released, then the second linkage part 422 moves to be abutted with the wall part of the linkage groove 321, the second pull rod 420 drives the lock tongue assembly 300 to move, the lock tongue assembly 300 moves leftwards to retract, and unlocking of a door leaf is realized.

In practical application, besides the above structure, the trigger 510 and the latch bolt assembly 300 can also realize that the trigger 510 can move relatively and the latch bolt assembly 300 can drive the trigger 510 to move through a matching structure of the second linkage part 422 and the linkage groove 321; the braking member 520 may be further configured to be movably connected to the housing assembly 100 and capable of moving back and forth in a telescopic manner with respect to the locking member 310, and a hole site corresponding to the insertion of air supply is provided in the locking member 310, and the triggering member 510 triggers the braking member 520 to act through an elastic member or a magnetic structure, so that the braking member 520 is inserted into the hole site of the locking member 310, so as to limit the left and right movement of the locking member 300, and the pushing portion 423 on the second pull rod 420 is used to push the braking member 520 to move away from the hole site, so as to release the limit of the locking member 300, or the triggering member 510 is an electrically controlled switch member and is electrically connected with a driver, and the driver is in driving connection with the braking member 520, so that the braking member 520 can be driven to move to the limit side of the locking member 300 through the triggering member 510; the linkage groove 321 may also be disposed on the second pull rod 420, and the second linkage part 422 is correspondingly disposed on the connection seat 320, so as to realize the relative movement and linkage between the two; the connecting seat 320 and the bolt member 310 may be in an integral structure, and the trigger member 510 and the third linkage 511 may be in a split structure, which may be specifically set according to the actual use requirement, and will not be described herein.

In some embodiments, the braking member 520 has a fourth linkage portion 522, the second pull rod 420 is penetrated through the fourth linkage portion 522 and the third linkage portion 511, the second pull rod 420 is connected with a rotating seat 430, the rotating seat 430 is provided with a supporting portion 431, the braking member 520 is abutted to the supporting portion 431, the second pull rod 420 can drive the rotating seat 430 to rotate, and the second elastic member 530 acts on the fourth linkage portion 522 and the third linkage portion 511 respectively and can enable the braking member 520 to rotate relative to the supporting portion 431.

As can be understood, as shown in fig. 2, 3, 5 and 6, the second elastic member 530 is a spring and is sleeved on the second pull rod 420, the second pull rod 420 is penetrated through the fourth linkage part 522 and the third linkage part 511, the fourth linkage part 522 and the third linkage part 511 are respectively located at the left and right sides of the second elastic member 530, two ends of the second elastic member 530 respectively act on the fourth linkage part 522 and the third linkage part 511, and the brake member 520 is in an L-shaped structure and is abutted against the support part 431 so as to be supported by the support part 431 as a fulcrum in the rotation process. When the third linkage part 511 moves leftwards, the second elastic member 530 is pressed, and the second elastic member 530 acts on the fourth linkage part 522, so that the brake member 520 rotates relative to the supporting part 431, and the brake part 521 can move to the limit side of the connection seat 320; the second pull rod 420 can drive the rotating seat 430 to rotate, so that the brake assembly 500 can rotate along with the second pull rod 420, and the transmission relation among the brake 520, the second pull rod 420, the trigger 510 and other internal components is maintained. The structure is simple and reasonable, the assembly connection of the brake assembly 500 is convenient, the transmission relation between the internal components connected with the second pull rod 420 is kept when the second pull rod rotates, the structure is stable and reliable, and the use is convenient.

In practical application, besides the above structure, the braking member 520 may be rotatably connected to the rotating seat 430 through a rotating shaft, and the second elastic member 530 may also act on the rotating seat 430 and the braking member 520 respectively, which may be set correspondingly according to practical requirements.

In some embodiments, the second pull rod 420 is connected with a rotating seat 430, the rotating seat 430 is provided with a limiting portion 432, and the trigger 510 can move to abut against the limiting portion 432.

As can be appreciated, as shown in fig. 2, 3, 5 and 6, the rotating seat 430 is provided with a limiting portion 432, the limiting portion 432 is located at the left side of the trigger piece 510, and the trigger piece 510 can move to abut against the limiting portion 432, so that the stroke position of the trigger piece 510 moving leftwards is limited by the limiting portion 432, which is beneficial to avoiding the trigger piece 510 from excessively moving leftwards and improving the use reliability. In practical application, the specific structures of the rotating seat 430 and the limiting portion 432 can be set according to the practical requirements, which is not limited herein.

A lock according to an embodiment of the second aspect of the present utility model comprises a latch mechanism according to an embodiment of the first aspect of the present utility model described above.

According to the lock according to the embodiment of the utility model, by adopting the above-mentioned lock tongue mechanism, the lock tongue assembly 300 can rotate relative to the first pull rod 210, and when the lock is installed on a door leaf or the door leaf changes the rotation direction, the guide surface 301 can be corresponding to the rotation direction of the door leaf by rotating the lock tongue assembly 300, so that the lock is suitable for the rotation of the door leaf, the adaptability is improved, the trouble that the lock needs to be detached and reinstalled integrally is avoided, and the lock is convenient to install and use.

Since other configurations of locks according to embodiments of the present utility model are known to those of ordinary skill in the art, they will not be described in detail herein.

The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.

Claims (10)

1. A deadbolt mechanism, comprising:

the shell assembly (100), the shell assembly (100) is provided with an inner cavity, a rotatable stirring piece (220) is arranged in the inner cavity, a movable first pull rod (210) is arranged in the inner cavity, and the stirring piece (220) is connected with the first pull rod (210) and can drive the first pull rod (210) to move;

the spring bolt assembly (300), spring bolt assembly (300) have guide surface (301) and can follow in the inner chamber, spring bolt assembly (300) can rotate relative first pull rod (210), first pull rod (210) can drive spring bolt assembly (300) removal, so that spring bolt assembly (300) can remove and retract in the inner chamber.

2. A latch bolt mechanism according to claim 1, wherein,

the shell assembly (100) comprises a mounting piece (110) and an end cover plate (120), wherein a through hole (111) for the bolt assembly (300) to penetrate is formed in the mounting piece (110), a rotation limiting hole (121) for the bolt assembly (300) to penetrate is formed in the end cover plate (120), the end cover plate (120) is detachably connected to the mounting piece (110), the bolt assembly (300) can rotate relative to the through hole (111), and the rotation limiting hole (121) can limit the bolt assembly (300) to rotate.

3. A latch bolt mechanism according to claim 1, wherein,

a first resilient member (410) is disposed within the interior cavity, the first resilient member (410) acting on the latch bolt assembly (300) and enabling the latch bolt assembly (300) to move out of the interior cavity.

4. A latch bolt mechanism according to claim 3, wherein,

the lock tongue assembly (300) is connected with a second pull rod (420), the second pull rod (420) is connected with the first pull rod (210) and can rotate and move relative to the first pull rod (210), and the first pull rod (210) can drive the lock tongue assembly (300) to move through the second pull rod (420).

5. The latch mechanism according to claim 4, wherein,

the first pull rod (210) is provided with a first linkage part (211), the second pull rod (420) penetrates through the first linkage part (211) and can rotate relative to the first linkage part (211), the second pull rod (420) is provided with a limiting piece (421), the first linkage part (211) can be abutted to the limiting piece (421), so that the first pull rod (210) can drive the second pull rod (420) to move through the limiting piece (421), and the second pull rod (420) can move relative to the first linkage part (211), so that the limiting piece (421) is separated from the first linkage part (211).

6. The latch mechanism according to claim 4, wherein,

the novel lock comprises a lock body, and is characterized by further comprising a brake assembly (500), wherein the brake assembly (500) comprises a trigger piece (510) and a brake piece (520), the trigger piece (510) is arranged on one side, deviating from the guide surface (301), of the lock body (300), the brake piece (520) is arranged in the inner cavity, the trigger piece (510) can extend out of the inner cavity, the trigger piece (510) can retract into the inner cavity relative to the lock body (300) in a moving mode and trigger the brake piece (520) to act, so that the brake piece (520) limits the lock body (300) to move and retract into the inner cavity, the second pull rod (420) can move relative to the lock body (300) and can release the movement limit of the brake piece (520) on the lock body (300), and the lock body (300) can drive the trigger piece (510) to move and retract into the inner cavity.

7. The latch mechanism according to claim 6, wherein,

the lock tongue assembly (300) comprises a connecting seat (320), a linkage groove (321) is arranged on the connecting seat (320), the second pull rod (420) is provided with a second linkage part (422) and a pushing part (423), the second linkage part (422) is positioned in the linkage groove (321) and can move along the linkage groove (321), the second linkage part (422) can move to be abutted with the wall part of the linkage groove (321) so that the second pull rod (420) can drive the lock tongue assembly (300) to move, the triggering piece (510) is provided with a third linkage part (511), the braking piece (520) is provided with a braking part (521), the braking assembly (500) further comprises a second elastic piece (530), the connecting seat (320) is provided with a limiting side, the second elastic piece (530) acts on the braking piece (520) and can enable the braking part (521) to move to the limiting side of the connecting seat (320) so as to block the movement of the second linkage part (320) from being capable of connecting the third linkage part (511) and triggering part (521) to move, the second pull rod (420) can move and push the braking part (521) to move through the pushing part (423) so as to enable the braking part (521) to leave the limit side of the connecting seat (320).

8. The latch mechanism according to claim 7, wherein,

the brake piece (520) is provided with a fourth linkage part (522), the second pull rod (420) penetrates through the fourth linkage part (522) and the third linkage part (511), the second pull rod (420) is connected with a rotating seat (430), the rotating seat (430) is provided with a supporting part (431), the brake piece (520) is abutted to the supporting part (431), the second pull rod (420) can drive the rotating seat (430) to rotate, and the second elastic piece (530) acts on the fourth linkage part (522) and the third linkage part (511) respectively and can enable the brake piece (520) to rotate relative to the supporting part (431).

9. The latch mechanism according to claim 7, wherein,

the second pull rod (420) is connected with a rotating seat (430), a limiting part (432) is arranged on the rotating seat (430), and the trigger piece (510) can move to be abutted with the limiting part (432).

10. A lock comprising a deadbolt mechanism according to any one of claims 1 to 9.

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