CN219100978U - Lock body unlocked by lock head - Google Patents

Abstract

The utility model belongs to the technical field of locks, and particularly discloses a lock body unlocked by a lock head, which comprises: the lock comprises a shell, a lock tongue assembly, a rudder shifting assembly, a driving assembly and a lock unlocking assembly; the driving assembly drives the lock tongue assembly to stretch out and draw back by using the driving motor, the lock tongue unlocking assembly is provided with a lock cylinder, a transmission shifting fork and a first resetting device, the first resetting device is used for driving the transmission shifting fork to be close to the lock cylinder, a lock cylinder shifting sheet capable of pushing the transmission shifting fork to rotate is arranged in the lock cylinder, the transmission shifting fork is provided with a first abutting part for pushing the lock tongue shifting rudder to swing towards the unlocking direction by pushing the lock cylinder shifting sheet through the first abutting part of the transmission shifting fork, so that the lock tongue assembly is pushed to retract into the installation cavity, a user can directly unlock the lock body by driving the lock tongue unlocking assembly by using a key, and therefore, a clutch is not required to be arranged in the lock body, the structure in the lock body is simpler, the number of parts is fewer, the assembly is more convenient, the production cost and the assembly cost are reduced, and the market competitiveness of the lock body is improved.

Description

Lock body unlocked by lock head

Technical Field

The utility model relates to the technical field of locks, in particular to a lock body unlocked by a lock head.

Background

The semi-automatic electronic lock is mainly used for hotels at present, namely after unlocking verification is carried out by a user, the user also needs to press down a door lock handle so that a lock tongue of the lock body is retracted into the lock body, and the user can open the door at the moment. The lock body generally adopts a clutch between a motor control door handle and a lock body shifting block, when unlocking information is verified, the motor starts the clutch, so that power can be transmitted between the door handle and the lock body shifting block, and the door handle can be turned to open the lock body so as to open the door. When the motor fails, people outside the door can unlock the door lock through the key and the lock head. However, as the clutch is arranged in the lock body, the structure in the lock body is more complex, the structure of the corresponding lock head is also more complex, more parts need to be assembled, the cost of the lock body and the assembly cost are higher, and the market competitiveness is poor.

Disclosure of Invention

The purpose of the utility model is that: the lock body unlocked by the lock head solves the technical problems that in the prior art, due to the fact that a clutch is arranged on the lock body of a hotel apartment, the structure is complex, the cost of the lock body and the assembly cost are high, and the market competitiveness is poor.

In order to achieve the above object, the present utility model provides a lock body unlocked by a lock head, comprising:

a housing having an installation cavity provided therein; the shell is provided with a first spring bolt hole communicated with the mounting cavity;

a latch bolt assembly slidably disposed on the housing; the spring bolt assembly is positioned in the mounting cavity, and the spring bolt assembly is provided with an extension part which is used for extending out of the first spring bolt hole;

a rudder assembly having a tongue rudder for driving the tongue assembly to retract; the lock tongue rudder is rotationally connected with the shell through a first rotating shaft;

a drive assembly having a drive motor and a first transmission; the driving motor can drive the bolt rudder to rotate around the first rotating shaft through the first transmission mechanism, so that the extending part of the bolt assembly stretches;

the lock unlocking assembly is provided with a lock cylinder, a transmission shifting fork and a first resetting device; the lock cylinder is provided with a lock cylinder shifting piece, and the lock cylinder shifting piece is rotatably arranged on the lock cylinder; the transmission shifting fork is rotationally connected with the shell through a second rotating shaft, and the first resetting device is used for driving the transmission shifting fork to press the lock cylinder; a shifting fork shifting block is arranged at the position of the transmission shifting fork corresponding to the lock cylinder shifting piece, and the transmission shifting fork is provided with a first abutting part for pushing the lock tongue shifting rudder; the lock core shifting piece can drive the transmission shifting fork to rotate through the shifting fork shifting block so as to drive the first abutting part to push the lock tongue shifting rudder to swing towards the unlocking direction.

Preferably, the transmission shifting fork is provided with a rotating section, a connecting section and a shifting fork section which are sequentially connected; the first abutting part and the shifting fork shifting block are arranged on the shifting fork section, and the rotating section is rotationally connected with the shell.

Preferably, the connecting section is a bending section, an avoidance groove for accommodating the lock cylinder is formed between the shifting fork section and the rotating section, and the first reset device drives the bending section to press the lock cylinder.

Preferably, the lock tongue poking rudder is arranged on one side of the bending section, which is away from the lock cylinder, and the first abutting part is arranged on one side of the shifting fork section, which is away from the shifting fork poking block.

Preferably, the lock tongue rudder is provided with a shift fork transmission part, the shift fork transmission part is provided with an abutting surface, and the abutting surface is used for abutting with the first abutting part.

Preferably, one end of the spring bolt assembly, which is away from the extending part, is provided with a poking groove, the spring bolt poking rudder is provided with a poking section which extends into the poking groove, and the poking fork transmission part bends towards the direction of the poking section, which is away from the extending part.

Preferably, the method further comprises: the two-way inclined tongue component, the inclined tongue locking component and the second resetting device are positioned in the mounting cavity;

the shell is provided with a second bolt hole communicated with the mounting cavity, the bidirectional inclined bolt assembly is arranged on the shell in a sliding manner, and the second reset device is used for driving the bidirectional inclined bolt assembly to extend out of the second bolt hole;

the inclined tongue locking assembly is provided with a locking piece and a third resetting device; the locking piece is rotationally connected with the shell, the locking piece is provided with a locking part, the bidirectional inclined tongue component is provided with a second abutting part, the second abutting part is positioned in the mounting cavity, and the third resetting device is used for driving the locking part to rotate to a position corresponding to the second abutting part;

when the bidirectional inclined tongue component extends out of the second lock tongue hole, and the second abutting part is correspondingly abutted with the locking part, the bidirectional inclined tongue component is in a locking state;

the first transmission mechanism is provided with a first unlocking pushing part for pushing the locking piece; when the driving motor drives the lock tongue rudder to perform unlocking motion around the first rotating shaft through the first transmission mechanism, the first unlocking pushing part pushes the locking piece to rotate, and the locking part is separated from the second abutting part, so that the bidirectional inclined tongue component is in an active state;

the first rotating shaft is rotationally connected with an unlocking pulling piece for pushing the locking piece to rotate; the transmission shifting fork is provided with a second unlocking pushing part for pushing the unlocking shifting piece; when the lock core plectrum passes through the transmission shift fork drive the spring bolt rudder is to the unblock direction swing, second unblock promotes the portion is promoted the unblock plectrum rotates, the unblock plectrum promotes the spring bolt locking piece and rotates, locking part breaks away from second butt portion makes two-way oblique tongue subassembly is in the active state.

Preferably, the middle part of the unlocking pulling piece is rotationally connected with the first rotating shaft, one end of the unlocking pulling piece is provided with a first unlocking arm, the other end of the unlocking pulling piece is provided with a second unlocking arm, and the second unlocking pushing part is used for pushing the first unlocking arm; the second unlocking arm is used for pushing the locking piece.

Preferably, the transmission shifting fork is provided with a limiting convex column, and the limiting convex column and the second unlocking pushing part form a limiting groove for limiting the swing angle of the first unlocking arm.

Preferably, the method further comprises: a safety tongue component and a fourth resetting device;

the safety tongue component is arranged on the shell in a sliding way, and the shell is provided with a third spring bolt hole communicated with the mounting cavity; the fourth reset device is used for driving the safety tongue component to extend out of the third spring bolt hole; the safety tongue component is provided with an unlocking hook part positioned in the mounting cavity, and the locking piece is provided with a hook arm matched with the unlocking hook part; when the fourth reset device drives the safety tongue component to extend out of the third lock tongue hole, the unlocking hook part hooks the hook arm, the locking piece rotates, and the locking part is separated from the second abutting part, so that the bidirectional inclined tongue component is in an active state.

The lock body unlocked by the lock head has the beneficial effects that: when the lock core shifting piece of the lock core rotates, the first abutting part of the transmission shifting fork can be driven by the shifting fork shifting block to push the lock tongue shifting rudder to swing towards the unlocking direction, namely, the lock tongue shifting rudder can push the extension part of the lock tongue assembly to retract into the mounting cavity, so that the lock tongue assembly moves from the locking state to the unlocking state, and the purpose of unlocking the lock body can be achieved without starting the driving motor; therefore, even if the driving motor fails, people outside the door can directly unlock the lock body by driving the lock cylinder unlocking component through the key, so that the aim of quickly opening the door in an emergency is fulfilled; moreover, the lock body is not required to be equipped with a clutch, the lock cylinder can drive the lock body to unlock through the lock cylinder shifting sheet, the transmission shifting fork and the lock tongue shifting rudder, the structure is simpler, the number of parts is less, the cost of the lock body clutch is reduced, the assembly is more convenient, the production cost and the assembly cost of the whole lock body are reduced, and the market competitiveness of the lock body is improved.

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

FIG. 1 is a schematic view of a lock tongue assembly of a lock body unlocked by a lock head in a locked state according to an embodiment of the present utility model;

FIG. 2 is a schematic view of a drive assembly for driving a latch bolt assembly in a locked condition according to an embodiment of the present utility model;

FIG. 3 is a schematic diagram of an assembled structure of a deadbolt rudder and a first transmission mechanism according to an embodiment of the present utility model;

FIG. 4 is a schematic diagram of an assembled configuration of a lock unlocking assembly and a rudder assembly according to an embodiment of the present utility model;

FIG. 5 is a schematic diagram of a lock cylinder unlocking assembly driving a locking bolt assembly in an unlocked state according to an embodiment of the present utility model;

FIG. 6 is a schematic view of the assembled structure of the dual latch assembly, safety latch assembly, latch locking assembly and housing of the embodiment of the present utility model;

FIG. 7 is a schematic illustration of an exploded view of a dual-direction tongue assembly, a safety tongue assembly, and a tongue locking assembly according to an embodiment of the present utility model;

FIG. 8 is a schematic illustration of the assembled structure of a dual-direction tongue assembly, a tongue lock assembly and a housing according to an embodiment of the present utility model;

FIG. 9 is a schematic view of a two-way latch assembly according to an embodiment of the present utility model in an active state;

FIG. 10 is a schematic view showing a state structure after the first transmission mechanism of the embodiment of the present utility model drives the locking member to rotate;

FIG. 11 is a schematic view showing a state structure of the unlocking block driving locking member according to the embodiment of the present utility model after rotation.

In the drawing the view of the figure,

100. a housing; 110. a mounting cavity; 120. a first latch bolt hole; 130. a second latch bolt hole; 140. a third bolt hole; 150. a second rotating shaft; 160. a limit rod;

200. a latch bolt assembly; 210. an extension; 220. a toggle groove;

300. a rudder assembly; 310. the lock tongue is dialled to rudder; 320. a shift fork transmission part; 330. a first rotating shaft; 340. a poking section; 350. an abutment surface;

400. a drive assembly; 410. a driving motor; 420. a first transmission mechanism; 421. a first unlocking pushing part;

700. a lock unlocking assembly; 710. a lock core; 711. a lock cylinder pulling piece; 730. a transmission fork; 731. a first abutting portion; 732. a shifting fork shifting block; 733. a second unlocking pushing part; 734. limiting convex columns; 735. a rotating section; 736. a connection section; 737. a fork segment; 740. unlocking the shifting piece; 741. a first unlocking arm; 742. a second unlocking arm; 750. a first reset device;

800. a dual-direction latch assembly; 810. a second reset device; 820. two-way lock tongue; 830. a second abutting portion;

900. a tongue lock assembly; 910. a locking member; 911. a locking part; 912. a hook arm; 913. a first unlocking block; 914. a second unlocking block; 920. a third reset device; 930. a safety tongue assembly; 931. unlocking the hooking part; 932. a striker; 940. fourth reset means.

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 references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. 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 to 11 together, a lock body unlocked by a lock head according to an embodiment of the present utility model will now be described.

The lock body of adopting tapered end unblock of this embodiment, it includes: housing 100, deadbolt assembly 200, rudder assembly 300, drive assembly 400, lock release assembly 700;

referring to fig. 1, a housing 100 is provided inside with a mounting cavity 110; the housing 100 is provided with a first latch bolt hole 120 communicating with the mounting cavity 110;

referring to fig. 1-5, latch bolt assembly 200 is slidably disposed on housing 100; located within the mounting cavity 110 is a latch bolt assembly 200, the latch bolt assembly 200 having an extension 210 for extending out of the first latch bolt hole 120; when extension 210 extends out of mounting cavity 110 from first latch bolt hole 120, latch bolt assembly 200 is in a locked state; when extension 210 is retracted from first latch bolt hole 120 into mounting cavity 110, latch bolt assembly 200 is in an unlocked state; the sliding direction of the latch bolt assembly 200 is a straight line, a straight line chute can be arranged on the shell 100, and the latch bolt assembly 200 moves along the straight line chute; extension 210 of latch bolt assembly 200 extends out of housing 100 for locking a door; the bolt assembly 200 may be provided with a toggle slot 220, and the toggle slot 220 is used to cooperate with the rudder assembly 300, so that the rudder assembly 300 can drive the bolt assembly 200 to extend out of the housing 100 or retract into the housing 100 through the toggle slot 220. Wherein, the shape of the latch bolt assembly 200 can be adjusted according to the user's needs, such as a latch bolt, a square bolt or a latch bolt with other characteristic shapes; in this embodiment, the latch bolt assembly 200 may be configured as a tongue.

Referring to fig. 1-5, a rudder assembly 300 having a deadbolt rudder 310 for driving the retraction of the deadbolt assembly 200; the bolt rudder 310 is rotatably connected with the housing 100 through a first rotating shaft 330; the lock tongue poking rudder 310 is arranged at one side of the poking groove 220, the lock tongue poking rudder 310 is provided with a poking section 340 extending into the poking groove 220, the poking section 340 can swing around the first rotating shaft 330, and the poking section 340 is swung by rotating the lock tongue poking rudder 310, so that the poking section 340 applies force to the lock tongue assembly 200, and the purpose that the extension part 210 of the lock tongue assembly 200 extends out of the mounting cavity 110 from the first lock tongue hole 120 or the extension part 210 retracts into the mounting cavity 110 from the first lock tongue hole 120 is achieved, so that locking or unlocking can be realized. It should be noted that, when the protrusion portion 210 protrudes from the first latch bolt hole 120 out of the mounting cavity 110, the latch bolt assembly 200 is in the locked state; when extension 210 is retracted from first latch bolt hole 120 into mounting cavity 110, latch bolt assembly 200 is in an unlocked state.

It should be noted that, the latch bolt assembly 200 is not limited to the transmission with the latch bolt rudder 310 through the toggle slot 220, and the toggle section 340 of the latch bolt rudder 310 can push the latch bolt assembly 200 to slide through the bump, the boss, the stopper, and the push block.

Referring to fig. 1 to 3, the driving assembly 400 has a driving motor 410 and a first transmission 420; the driving motor 410 can drive the bolt rudder 310 to rotate around the first rotation shaft 330 through the first transmission mechanism 420, so that the extension part 210 of the bolt assembly 200 stretches; that is, the driving motor 410 can drive the locking bolt rudder 310 to rotate through the first transmission mechanism 420 to drive the locking bolt rudder 310 to swing in the locking direction or the unlocking direction, so as to drive the extension portion 210 of the locking bolt assembly 200 to extend out of the mounting cavity 110 from the first locking bolt hole 120 or retract into the mounting cavity 110 from the first locking bolt hole 120, thereby achieving the purpose of locking or unlocking the locking bolt assembly 200.

The first transmission mechanism 420 may be a gear transmission mechanism, and the driving motor 410 may be a motor capable of rotating forward or backward, that is, the driving motor 410 drives the locking bolt rudder 310 to swing in the unlocking direction or swing in the locking direction through the gear transmission mechanism. The driving assembly 400 can automatically drive the extension 210 of the latch bolt assembly 200 to extend after the user closes the door, so as to achieve the purpose of locking the door.

Referring to fig. 1 to 5, the lock cylinder unlocking assembly 700 has a lock cylinder 710, a transmission fork 730, a first reset device 750; the lock cylinder 710 has a lock cylinder blade 711, and the lock cylinder blade 711 is rotatably provided on the lock cylinder 710; the transmission fork 730 is rotatably connected with the housing 100 through the second rotating shaft 150, and the first reset device 750 is used for driving the transmission fork 730 to press the lock cylinder 710; the transmission shifting fork 730 is provided with a shifting fork shifting block 732 corresponding to the lock cylinder shifting piece 711, and the transmission shifting fork 730 is provided with a first abutting part 731 for pushing the lock tongue shifting rudder 310; the lock cylinder shifting piece 711 can drive the transmission shifting fork 730 to rotate through the shifting fork shifting block 732 so as to drive the first abutting part 731 to push the lock tongue shifting rudder 310 to swing towards the unlocking direction. The lock cylinder 710 is a common lock in the market, after the lock cylinder 710 is inserted into a key, the key can be turned to drive the lock cylinder pulling piece 711 to rotate, that is, by turning the lock cylinder pulling piece 711, the first abutting portion 731 of the transmission pulling fork 730 is driven to push the lock tongue pulling rudder 310, so that the lock tongue assembly 200 can be driven to move from the locking state to the unlocking state.

The lock body of the embodiment is provided with the lock cylinder 710, when the lock cylinder shifting piece 711 of the lock cylinder 710 rotates, the first abutting part 731 of the transmission shifting fork 730 can be driven by the shifting fork shifting block 732 to push the lock tongue shifting rudder 310 to swing towards the unlocking direction, namely, the lock tongue shifting rudder 310 can push the extension part 210 of the lock tongue assembly 200 to retract into the mounting cavity 110, so that the lock tongue assembly 200 moves from the locking state to the unlocking state, and the purpose of unlocking the lock body can be achieved without starting the driving motor 410; therefore, even if the driving motor 410 fails, a person outside the door can unlock the lock body directly by driving the lock cylinder 710 unlocking component through the key, so that the aim of quick emergency door opening is fulfilled; moreover, the lock cylinder 710 can drive the lock body to unlock through the lock cylinder shifting sheet 711, the transmission shifting fork 730 and the lock tongue shifting rudder 310 without a clutch in the lock body, the structure is simpler, the number of parts is less, the cost of the lock body clutch is reduced, the assembly is more convenient, the production cost and the assembly cost of the whole lock body are reduced, and the market competitiveness of the lock body is improved.

Specifically, referring to fig. 4 and 5, the transmission fork 730 is provided with a rotating section 735, a connecting section 736, and a fork section 737 connected in sequence; the first abutting portion 731 and the shifting fork shifting block 732 are arranged on the shifting fork section 737, the rotating section 735 is rotationally connected with the shell 100, namely, the transmission shifting fork 730 is divided into different areas according to different functional sections, the action section of the transmission shifting fork 730 is more convenient for an installer to identify, and the assembly of the installer is facilitated.

In some embodiments of the present utility model, referring to fig. 4 and 5, the connection section 736 is a curved section, and a relief groove for receiving the lock cylinder 710 is provided between the shift fork section 737 and the rotation section 735, and the first reset device 750 drives the curved section toward the lock cylinder 710. By arranging the avoidance groove to avoid the lock cylinder 710, the movement interference of the transmission shifting fork 730 with other parts can be reduced during movement, the transmission shifting fork 730 can rotate around the second rotating shaft 150, and the lock cylinder shifting piece 711 is ensured to drive the lock tongue shifting rudder 310 to rotate and unlock through the transmission shifting fork 730.

In some embodiments of the present utility model, referring to fig. 4 and 5, the locking bolt rudder 310 is disposed on a side of the curved section facing away from the lock cylinder 710 and the first abutment 731 is disposed on a side of the fork section 737 facing away from the fork-stirring block 732. The shifting fork shifting block 732 and the first abutting portion 731 are located on two sides of the shifting fork section 737, so that the lock cylinder shifting piece 711 can better transmit power to the first abutting portion 731, and the first abutting portion 731 pushes the lock tongue shifting rudder 310 to swing, so that the lock head unlocking assembly 700 can drive the lock tongue assembly 200 to move from the locking device to the unlocking state.

In some embodiments of the present utility model, referring to fig. 4 and 5, the locking bolt rudder 310 is provided with a fork transmission part 320, the fork transmission part 320 is provided with an abutment surface 350, the abutment surface 350 for abutment with the first abutment 731. When the transmission shift fork 730 is abutted to the abutment surface 350 through the first abutment portion 731, the transmission shift fork 730 transmits power to the lock tongue rudder 310 through the shift fork transmission portion 320, so that the lock tongue rudder 310 rotates, that is, the lock cylinder 710 is rotated to push the lock tongue rudder 310 to rotate, so as to push the lock tongue rudder 310 to swing in the unlocking direction, and the lock tongue rudder 310 pushes the extension portion 210 of the lock tongue assembly 200 to retract into the mounting cavity 110, thereby achieving the purpose of unlocking the lock body. On the basis of the above, in order to avoid the occurrence of poking interference, the first abutting portion 731 is better enabled to push the lock tongue poking rudder 310, the poking fork transmission portion 320 is bent towards the poking section 340 in a direction away from the protruding portion 210, so that the abutting surface 350 can be better aligned with the first abutting portion 731, and the transmission poking fork 730 is better enabled to transmit power to the lock tongue poking rudder 310 through the poking fork transmission portion 320, so that the lock tongue poking rudder 310 pokes and pushes the lock tongue assembly 200 to move from the locking state to the unlocking state.

In some embodiments of the present utility model,

referring to fig. 6 to 11, the lock body further includes: a dual-direction latch assembly 800, a latch locking assembly 900, a second reset device 810 located within the mounting cavity 110;

the casing 100 is provided with a second bolt hole 130 communicated with the mounting cavity 110, the bidirectional latch assembly 800 is slidably arranged on the casing 100, and the second reset device 810 is used for driving the bidirectional latch assembly 800 to extend out of the second bolt hole 130; the sliding direction of the double-direction latch assembly 800 is parallel to the sliding direction of the latch assembly 200, the double-direction latch assembly 800 has a double-direction latch 820 extending out of the second latch hole 130, the double-direction latch 820 is a commercially available scissors latch having a front latch and a rear latch, both of which are hinged to the double-direction latch assembly 800; if the dual-throw assembly 800 is in an active state, the scissor bolt can be pushed into the second bolt hole 130 to retract the scissor bolt into the housing 100 when the door is pushed forward to open the door or pulled backward to open the door;

the latch locking assembly 900 has a locking member 910, a third reset device 920; the locking member 910 is rotatably connected with the housing 100, the locking member 910 is provided with a locking portion 911, the two-way latch assembly 800 is provided with a second abutting portion 830, the second abutting portion 830 is located in the mounting cavity 110, and the third reset device 920 is used for driving the locking portion 911 to rotate to a position corresponding to the second abutting portion 830; the housing 100 may be provided with a stop lever 160, and the third reset device 920 drives the locking member 910 to rotate, so as to press the locking member 910 against the stop lever 160, and the locking portion 911 corresponds to the second contact portion 830;

when the double-direction latch assembly 800 extends out of the second latch hole 130, if no other assembly pushes the locking member 910, the third reset device 920 can push the locking member 910 to rotate, so that the second abutting portion 830 abuts against the locking portion 911 correspondingly, and the double-direction latch assembly 800 is in a locked state;

when the driving assembly 400 and the lock unlocking assembly 700 drive the lock tongue assembly 200 to unlock, the locking member 910 can be pushed to rotate, so that the locking portion 911 is separated from the second abutting portion 830, and the double-direction latch assembly 800 is in an active state, so that a user can open the door forwards or backwards at this time, and the purpose of opening the door is achieved.

Referring to fig. 6 to 11, the first transmission mechanism 420 is provided with a first unlocking pushing portion 421 for pushing the locking member 910; when the driving motor 410 drives the lock tongue rudder 310 to perform unlocking motion around the first rotating shaft 330 through the first transmission mechanism 420, the first unlocking pushing part 421 pushes the locking piece 910 to rotate, and the locking part 911 is separated from the second abutting part 830, so that the double-direction inclined tongue assembly 800 is in an active state; the locking member 910 is provided with a first unlocking piece 913 that cooperates with the first unlocking pushing portion 421; the first transmission mechanism 420 is a gear transmission mechanism, wherein the first transmission mechanism 420 has a gear rotating around the first rotation shaft 330, and the first unlocking pushing portion 421 is disposed on the gear rotating around the first rotation shaft 330; when the driving motor 410 drives the locking bolt rudder 310 to rotate in the unlocking direction through the first transmission mechanism 420, the gear rotating around the first rotation shaft 330 will rotate in the unlocking direction, and then the first unlocking pushing part 421 pushes the locking part 910 to rotate through the first unlocking block 913, so as to drive the locking part 910 to be far away from the limit rod 160, the locking part 911 is separated from the second abutting part 830, the dual-direction inclined tongue assembly 800 is restored to be in an active state, and the dual-direction inclined tongue assembly 800 can move along the sliding direction of the dual-direction inclined tongue assembly itself, so as to retract into the shell 100 when the door is opened, and ensure that the user can open the door.

Referring to fig. 6 to 11, an unlocking dial 740 for pushing the locking member 910 to rotate is rotatably coupled to the first rotation shaft 330; the transmission fork 730 is provided with a second unlocking pushing part 733 for pushing the unlocking tab 740; when the lock cylinder blade 711 drives the lock tongue blade 310 to swing towards the unlocking direction through the transmission fork 730, the second unlocking pushing part 733 pushes the unlocking blade 740 to rotate, the unlocking blade 740 pushes the lock tongue locking member 910 to rotate, and the locking part 911 is separated from the second abutting part 830, so that the double-direction oblique-tongue assembly 800 is in an active state.

Specifically, referring to fig. 6 to 11, the middle part of the unlocking dial 740 is rotatably connected with the first rotation shaft 330, one end of the unlocking dial 740 is provided with a first unlocking arm 741, the other end of the unlocking dial 740 is provided with a second unlocking arm 742, and the second unlocking pushing part 733 is used for pushing the first unlocking arm 741; the second unlocking arm 742 is used to push the locking member 910. The locking member 910 is provided with a second unlocking block 914 that cooperates with the second unlocking arm 742, that is, when the lock cylinder pulling piece 711 rotates through the transmission shifting fork 730, the second unlocking pushing portion 733 will push the first unlocking arm 741, so that the unlocking pulling piece 740 rotates around the first rotation shaft 330, the second unlocking arm 742 will push the second unlocking block 914 to rotate at this time, so as to drive the locking member 910 to be away from the limit lever 160, the locking portion 911 is separated from the second abutting portion 830, so that the bidirectional latch assembly 800 is restored to an active state, and the bidirectional latch 820 assembly 200 can move along its sliding direction, so as to retract into the housing 100 when opening the door, thereby ensuring that the user can open the door.

On the basis of the above, referring to fig. 6 to 11, the transmission fork 730 is provided with a limiting boss 734, and the limiting boss 734 and the second unlocking pushing part 733 form a limiting groove for limiting the swing angle of the first unlocking arm 741. The second unlocking pushing part 733 is also a protruding column arranged on the poking section 340, the first unlocking arm 741 is located between the second unlocking pushing part 733 and the limiting protruding column 734, and then the limiting groove can limit the swinging angle of the first unlocking arm 741, so that the first unlocking arm 741 of the unlocking poking piece 740 is prevented from being in an offside position, and the lock head unlocking assembly 700 is ensured to push the locking piece 910 to rotate.

In some embodiments of the present utility model, referring to fig. 6 to 11, the lock body further includes: a safety tongue assembly 930, a fourth reset device 940; when the door body is opened, the safety tongue component 930 is used for keeping the two-way inclined tongue component 800 in an active state, so that the two-way inclined tongue component 800 can be freely moved after the door body is opened, and a user can conveniently close the door;

the safety tongue assembly 930 is slidably disposed on the housing 100, and the housing 100 is provided with a third tongue hole 140 communicating with the installation cavity 110; the fourth reset device 940 is used to drive the safety tongue component 930 to extend out of the third tongue hole 140; the safety tongue assembly 930 is provided with an unlocking hook 931 located in the mounting cavity 110, and the locking member 910 is provided with a hook arm 912 engaged with the unlocking hook 931; when the fourth reset device 940 drives the safety tongue assembly 930 to extend out of the third latch hole 140, the unlocking hook portion 931 hooks the hook arm 912, the locking member 910 rotates, and the locking portion 911 is separated from the second abutment portion 830, so that the dual-direction latch assembly 800 is in an active state. The safety tongue assembly 930 has a tapered striker 932 extending through the third latch aperture 140, the striker 932 being pivotally connected to the safety tongue assembly 930 such that when the door is closed, the striker 932 can be flipped over at will to push the safety tongue assembly 930 back into the housing 100. When the door is closed, the safety tongue assembly 930 is retracted into the housing 100, the two-way latch assembly 800 extends out of the housing 100, and at this time, the unlocking hook 931 cannot hook the hook 912 of the locking member 910, and the locking member 910 is driven by the third reset device 920 to approach the stop lever 160, so that the second abutting portion 830 abuts against the locking portion 911, and the two-way latch assembly 800 is in a locked state. That is, after the safety tongue assembly 930 is retracted into the housing 100, the two-way latch assembly 800 must be unlocked by one of the driving assembly 400 and the lock unlocking assembly 700, so that the two-way latch assembly 800 is in an active state, and the door can be opened.

It should be noted that, the first reset device 750, the second reset device 810, the third reset device 920, and the fourth reset device 940 are torsion springs.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present utility model, and these modifications and substitutions should also be considered as being within the scope of the present utility model.

Claims (10)

1. The utility model provides a lock body that adopts tapered end unblock which characterized in that includes:

a housing having an installation cavity provided therein; the shell is provided with a first spring bolt hole communicated with the mounting cavity;

a latch bolt assembly slidably disposed on the housing; the spring bolt assembly is positioned in the mounting cavity, and the spring bolt assembly is provided with an extension part which is used for extending out of the first spring bolt hole;

a rudder assembly having a tongue rudder for driving the tongue assembly to retract; the lock tongue rudder is rotationally connected with the shell through a first rotating shaft;

a drive assembly having a drive motor and a first transmission; the driving motor can drive the bolt rudder to rotate around the first rotating shaft through the first transmission mechanism, so that the extending part of the bolt assembly stretches;

the lock unlocking assembly is provided with a lock cylinder, a transmission shifting fork and a first resetting device; the lock cylinder is provided with a lock cylinder shifting piece, and the lock cylinder shifting piece is rotatably arranged on the lock cylinder; the transmission shifting fork is rotationally connected with the shell through a second rotating shaft, and the first resetting device is used for driving the transmission shifting fork to press the lock cylinder; a shifting fork shifting block is arranged at the position of the transmission shifting fork corresponding to the lock cylinder shifting piece, and the transmission shifting fork is provided with a first abutting part for pushing the lock tongue shifting rudder; the lock core shifting piece can drive the transmission shifting fork to rotate through the shifting fork shifting block so as to drive the first abutting part to push the lock tongue shifting rudder to swing towards the unlocking direction.

2. The lock body unlocked by the lock head according to claim 1, wherein,

the transmission shifting fork is provided with a rotating section, a connecting section and a shifting fork section which are sequentially connected; the first abutting part and the shifting fork shifting block are arranged on the shifting fork section, and the rotating section is rotationally connected with the shell.

3. The lock body unlocked by the lock head according to claim 2, wherein,

the connecting section is a bending section, an avoidance groove for accommodating the lock cylinder is formed between the shifting fork section and the rotating section, and the first reset device drives the bending section to press the lock cylinder.

4. The lock body unlocked by the lock head according to claim 3,

the lock tongue poking rudder is arranged on one side of the bending section, which is away from the lock cylinder, and the first abutting part is arranged on one side of the shifting fork section, which is away from the shifting fork poking block.

5. The lock body unlocked by a lock head according to claim 4, wherein,

the lock tongue rudder is provided with a shifting fork transmission part, the shifting fork transmission part is provided with an abutting surface, and the abutting surface is used for abutting with the first abutting part.

6. The lock body unlocked by a lock head according to claim 5, wherein,

the one end that spring bolt subassembly deviates from the extension is provided with and dials the groove, the spring bolt dialls the rudder and is provided with and stretches into stir the section of stirring the groove, shift fork drive portion orientation stir the section and deviate from the direction of extension is buckled.

7. The lock body unlocked by the lock head according to claim 2, wherein,

further comprises: the two-way inclined tongue component, the inclined tongue locking component and the second resetting device are positioned in the mounting cavity;

the shell is provided with a second bolt hole communicated with the mounting cavity, the bidirectional inclined bolt assembly is arranged on the shell in a sliding manner, and the second reset device is used for driving the bidirectional inclined bolt assembly to extend out of the second bolt hole;

the inclined tongue locking assembly is provided with a locking piece and a third resetting device; the locking piece is rotationally connected with the shell, the locking piece is provided with a locking part, the bidirectional inclined tongue component is provided with a second abutting part, the second abutting part is positioned in the mounting cavity, and the third resetting device is used for driving the locking part to rotate to a position corresponding to the second abutting part;

when the bidirectional inclined tongue component extends out of the second lock tongue hole, and the second abutting part is correspondingly abutted with the locking part, the bidirectional inclined tongue component is in a locking state;

the first transmission mechanism is provided with a first unlocking pushing part for pushing the locking piece; when the driving motor drives the lock tongue rudder to perform unlocking motion around the first rotating shaft through the first transmission mechanism, the first unlocking pushing part pushes the locking piece to rotate, and the locking part is separated from the second abutting part, so that the bidirectional inclined tongue component is in an active state;

the first rotating shaft is rotationally connected with an unlocking pulling piece for pushing the locking piece to rotate; the transmission shifting fork is provided with a second unlocking pushing part for pushing the unlocking shifting piece; when the lock core plectrum passes through the transmission shift fork drive the spring bolt rudder is to the unblock direction swing, second unblock promotes the portion is promoted the unblock plectrum rotates, the unblock plectrum promotes the spring bolt locking piece and rotates, locking part breaks away from second butt portion makes two-way oblique tongue subassembly is in the active state.

8. The lock body unlocked by the lock cylinder according to claim 7, wherein,

the middle part of the unlocking pulling piece is rotationally connected with the first rotating shaft, one end of the unlocking pulling piece is provided with a first unlocking arm, the other end of the unlocking pulling piece is provided with a second unlocking arm, and the second unlocking pushing part is used for pushing the first unlocking arm; the second unlocking arm is used for pushing the locking piece.

9. The lock body unlocked by the lock head according to claim 8, wherein,

the transmission shifting fork is provided with a limiting convex column, and the limiting convex column and the second unlocking pushing part form a limiting groove for limiting the swing angle of the first unlocking arm.

10. The lock body unlocked by the lock cylinder according to claim 7, wherein,

further comprises: a safety tongue component and a fourth resetting device;

the safety tongue component is arranged on the shell in a sliding way, and the shell is provided with a third spring bolt hole communicated with the mounting cavity; the fourth reset device is used for driving the safety tongue component to extend out of the third spring bolt hole; the safety tongue component is provided with an unlocking hook part positioned in the mounting cavity, and the locking piece is provided with a hook arm matched with the unlocking hook part; when the fourth reset device drives the safety tongue component to extend out of the third lock tongue hole, the unlocking hook part hooks the hook arm, the locking piece rotates, and the locking part is separated from the second abutting part, so that the bidirectional inclined tongue component is in an active state.

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