CN214403080U - Oblique tongue transmission assembly and lock body - Google Patents

Abstract

The utility model provides a latch bolt transmission assembly and a lock body, relating to the field of lock bodies and solving the problem that when a motor fails, the latch bolt is difficult to recover and the hidden trouble is easy to exist; the device comprises an unlocking plate, a poking and escaping assembly and an unlocking rod used for locking and releasing the latch bolt, wherein one end of the unlocking rod is provided with a butting point, the unlocking plate is in transmission connection with a lock cylinder thumb wheel, and the unlocking plate can move and push the butting point when the lock cylinder thumb wheel rotates; the poking and escaping assembly is in transmission connection with a driving part and can push the abutting point under the driving of the driving part, and the unlocking rod swings and releases the latch bolt when the abutting point is pushed; the poking and escaping assembly is in transmission connection with the lock cylinder poking wheel and is separated from the abutting point when the lock cylinder poking wheel rotates; when the motor fails before the latch bolt is unlocked, the lock cylinder thumb wheel can be pulled to unlock through a key; the motor breaks down when unblock latch bolt, and accessible key drives the lock core thumb wheel and rotates and make and dial the subassembly of escaping and the separation of butt point makes the latch bolt reply to the normal position, can't enter into again in the lock shell after preventing the latch bolt unblock.

Description

Oblique tongue transmission assembly and lock body

Technical Field

The utility model belongs to the technical field of the lock body technique and specifically relates to a latch bolt transmission assembly and lock body are related to.

Background

At present, most of full-automatic electronic lock bodies on the market are motor-driven lock tongues and oblique tongues to complete door opening actions, and generally, double motors are required to drive simultaneously, wherein one motor drives the lock tongues, and the other motor drives the unlocking oblique tongues.

The applicant has found that the prior art has at least the following technical problems:

1. in the existing oblique tongue transmission component, an oblique tongue is in transmission connection with a motor, and the oblique tongue is unlocked through the matching of the motor and a transmission structure. When the motor breaks down, the latch bolt is difficult to retrieve, has trouble hidden danger.

2. The existing oblique tongue transmission assembly is single in unlocking oblique tongue structure, only can unlock the oblique tongue by means of a motor, and when the motor fails, no other driving assembly is used for recovering the oblique tongue, so that potential safety hazards are prone to occurring.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a latch bolt transmission component and a lock body, which solve the technical problems that when the motor driving the latch bolt in the prior art breaks down, the latch bolt is difficult to recover and the hidden trouble is easy to exist; the utility model provides a plurality of technical effects that preferred technical scheme among a great deal of technical scheme can produce see the explanation below in detail.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a pair of oblique tongue drive assembly, including the unlocking plate, dial the subassembly of fleing and be used for the lock solid and release the unlocking lever of oblique tongue, wherein:

the unlocking rod is characterized in that an abutting point is arranged at one end of the unlocking rod, the unlocking plate is in transmission connection with the lock cylinder shifting wheel and can move and push the abutting point when the lock cylinder shifting wheel rotates; the poking and escaping assembly is in transmission connection with a driving part and can push the abutting point under the driving of the driving part, and the unlocking rod swings and releases the latch bolt when the abutting point is pushed; the poking and escaping assembly is in transmission connection with the lock cylinder poking wheel and is separated from the abutting point when the lock cylinder poking wheel rotates.

Preferably, the poking and escaping assembly comprises a poking assembly and a poking and escaping assembly which is rotatably connected in the lock shell, a boss is arranged on the lower portion of the poking and escaping assembly, the poking assembly comprises a pushing block and a poking rod, one end of the pushing block is located on a motion path of the boss, one end of the poking rod is in transmission connection with the pushing block, and the other end of the poking rod can push the abutting point when the poking rod swings.

Preferably, a sliding hole extending horizontally is formed in the pushing block, a sliding column extending into the sliding hole is formed in the lock shell, and the matching structure of the sliding hole and the sliding column is used for limiting the pushing block to move only in the horizontal direction when the pushing block is pushed by the dial.

Preferably, the lock core thumb wheel with dial and flee to be connected through the shifting block transmission between the subassembly, the shifting block rotate to be connected in the lock shell, wherein, exist on the shifting block be used for with lock core thumb wheel complex lock core dial point with be used for with it flees to dial subassembly complex dial and flee to dial the dial point, the shifting block is in the lock core is stirred the point and is received lock core thumb wheel can take place to rotate when promoting, and makes it flees to dial to stir the point and promotes it is rotated so that it flee the subassembly with the butt point separation.

Preferably, the unlocking lever comprises a first force arm, a second force arm and a rotating shaft, wherein:

the rotating shaft is positioned between the first force arm and the second force arm and is used for enabling the first force arm and the second force arm to swing by taking the rotating shaft as a fulcrum; the abutting point is located at the end part of the first force arm, and a clamping part used for being locked with the latch bolt is arranged at the end part of the second force arm.

Preferably, the first force arm is further connected with a first elastic piece, one end, away from the first force arm, of the first elastic piece is fixed in the lock shell, and restoring force of the first elastic piece is used for pulling the first force arm back to an initial position after the abutting point is separated from the unlocking plate and the poking and escaping assembly.

Preferably, the upper end of the unlocking plate is provided with an inclined surface for contacting with the abutting point, the inclined surface can push the abutting point to swing when moving upwards, and the lower part of the unlocking plate is provided with a matching edge for matching with the lock cylinder thumb wheel.

Preferably, a second elastic member is disposed at a lower portion of the unlocking plate, one end of the second elastic member is fixed to the lock case, the other end of the second elastic member is fixedly connected to the unlocking plate, and a restoring force of the second elastic member is used for pulling the unlocking plate back to an initial position when the unlocking plate is separated from the key cylinder dial wheel.

Preferably, the unlocking plate is provided with a limiting hole, the lock shell is provided with a limiting column extending into the limiting hole, and the matching structure of the limiting hole and the limiting column is used for limiting the unlocking plate to move in the up-down direction.

The utility model also provides a lock body, including the lock shell and be located oblique tongue and the above-mentioned oblique tongue transmission assembly in the lock shell.

Compared with the prior art, the utility model, following beneficial effect has:

1. in the oblique tongue transmission assembly provided by the utility model, the unlocking rod connected with the oblique tongue can be toggled in two ways, one is that the lock cylinder shifting wheel pushes the unlocking plate, and the unlocking plate pushes the abutting point; secondly, the driving component drives the poking and escaping component to move, and the poking and escaping component pushes the abutting point; and because when the abutting point is pushed, the unlocking rod releases the latch bolt, the latch bolt transmission assembly in the embodiment can be unlocked by a key and the driving part. When the motor fails before the latch bolt is unlocked, the lock cylinder thumb wheel can be pulled to unlock through a key; just break down when the motor unblock latch bolt, accessible key drives the lock core thumb wheel and rotates and make and dial subassembly and butt point separation of escaping, makes the latch bolt reply to the normal position, can't get into again in the lock shell after preventing the latch bolt unblock, and breaks down.

2. The inclined bolt of the lock body provided by the utility model can be unlocked by a key and the drive part; and just break down when the motor unblock latch bolt, accessible key drives the lock core thumb wheel and rotates and make and dial and flee subassembly and butt point separation, makes the latch bolt reply to the normal position, and the lock body can't use when preventing the motor trouble.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of the internal structure of a lock body having the oblique bolt transmission assembly;

FIG. 2 is a schematic diagram of a dial-escape configuration;

FIG. 3 is a schematic structural view of a pusher plate assembly;

FIG. 4 is a schematic structural view of the clutch push plate assembly and the escape matching;

FIG. 5 is a schematic view of the engagement structure of the escape and gear portion and the clutch pressure plate;

FIG. 6 is a schematic view of the engaging portion of the lock release lever and the latch;

FIG. 7 is a schematic view of the mating structure of the unlocking plate and the unlocking lever when they are separated;

FIG. 8 is a schematic view of the mating structure of the unlocking plate in contact with the unlocking lever;

FIG. 9 is a schematic view of the engagement structure of the dial assembly and the unlocking lever when the dial assembly is separated from the unlocking lever;

FIG. 10 is a schematic view of the engagement structure of the trip member and the trip lever when they are in contact with the release lever;

fig. 11 is a schematic view of the arrangement of the boss on the dial.

In the figure 100, a lock case; 11. a first force arm; 111. abutting the contact point; 112. a first elastic member; 12. a second moment arm; 13. a rotating shaft; 14. a fastening part; 141. a card slot; 143. an L-shaped bottom plate; 144. a top plate; 2. a lock cylinder dial wheel; 3. a latch bolt; 31. a protruding shaft; 32. a latch bolt frame body; 321. a port; 41. escaping; 410. a boss; 411. a first shifting block; 412. a second shifting block; 42. a return spring; 43. a gear portion; 44. a push block; 441. a pushing end; 442. a slide hole; 443. a traveler; 444. a push groove; 445. a push block tension spring; 45. mounting a plate; 46. a deflector rod; 5. a motor assembly; 6. shifting blocks; 61. a lock cylinder dialing point; 62. dial an escape dial point; 71. pushing the plate; 72. a push plate tension spring; 73. a first inclined plane; 74. a clutch pressure plate; 741. a second inclined plane; 742. a pressure plate spring; 743. a guide post; 8. an unlocking plate; 81. an inclined surface; 82. a limiting hole; 83. a second elastic member; 84. a limiting column.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "length", "width", "height", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "side", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

The present embodiment provides a latch bolt transmission assembly, see fig. 1, 7-10, which includes an unlocking plate 8, an escape assembly, and an unlocking lever for locking and releasing the latch bolt 3, wherein: one end of the unlocking rod is provided with a butting point 111, the unlocking plate 8 is in transmission connection with the lock cylinder thumb wheel 2 and can move and push the butting point 111 when the lock cylinder thumb wheel 2 rotates; the poking and escaping assembly is in transmission connection with a driving part and can push the abutting point 111 under the driving of the driving part, and the unlocking rod swings and releases the latch bolt 3 when the abutting point 111 is pushed; the poking and escaping assembly is in transmission connection with the lock cylinder thumb wheel 2 and is separated from the abutting point 111 when the lock cylinder thumb wheel 2 rotates so that the unlocking plate 8 releases the latch bolt 3.

Wherein, the driving part can be a motor. The lock cylinder wheel 2 is a conventional structure of a lock body, and can rotate in the lock case 100 in cooperation with a key, as shown in fig. 1, and the structure thereof is not described herein.

In the latch bolt transmission assembly provided by the embodiment, the unlocking rod connected with the latch bolt 3 can be shifted in two ways, one is that the lock cylinder shifting wheel 2 pushes the unlocking plate 8, and the unlocking plate 8 pushes the abutting point 111; secondly, the driving component drives the escaping component to move, and the escaping component pushes the abutting point 111; and because the contact point 111 is pushed, the unlocking rod releases the latch bolt 3, so that the latch bolt 3 transmission assembly in the embodiment can be unlocked in two modes of key unlocking and driving part unlocking. When the motor fails before the latch bolt 3 is unlocked, the lock cylinder thumb wheel 2 can be pulled to unlock by a key; when the motor unblock latch bolt 3 just breaks down, accessible key drives lock core thumb wheel 2 and rotates and make and dial subassembly and butt point 111 separation of escaping, makes latch bolt 3 resume to the normal position, can't reentrant to lock shell 100 after preventing the latch bolt 3 unblock in, and breaks down.

As an alternative embodiment, as shown in fig. 9-11, the poking assembly in this embodiment includes a poking assembly and a poking member 41 rotatably connected in the lock case 100, a boss 410 is present at the lower portion of the poking member 41, the poking assembly includes a push block 44 and a poking rod 46, one end of the push block 44 is a pushing end 441, the pushing end 441 is located on the moving path of the boss 410, the poking rod 46 is rotatably connected in the lock case 100, one end of the poking rod 46 is in transmission connection with the push block 44, and the other end of the poking rod 46 can push the abutting point 111 when the poking rod 46 swings. Specifically, a pushing groove 444 is formed in the pushing block 44 at a position for engaging with the shift lever 46, and one end of the shift lever 46 extends into the pushing groove 444 and swings when the pushing block 44 moves.

In this embodiment, the motor and the dial-away 41 are in driving connection through a gear transmission manner, specifically, an implementation manner of driving connection of the dial-away 41 and the motor is provided in this embodiment, referring to fig. 2, the dial-away 41 is connected with a gear portion 43 and a return spring, the gear portion 43 and the motor assembly 5 are in meshing transmission through a gear, and are embedded with the dial-away 41 to drive the dial-away 41 to rotate circumferentially; if the output rod of the motor can be provided with a bevel gear, the bevel gear and the gear part are in meshing transmission through the gear, and the transmission mode of the motor and the gear part is mature technology in the field and is not described in detail herein. The gear part 43 is provided with a groove which is matched with the lug of the dial-up piece 41; referring to fig. 5, under the force of the return spring 42, the two are in an engaged state; when the two are meshed, the gear part 43 in transmission connection with the motor 51 drives the dial-away 41 to transmit, and when a key is needed to unlock or the dial-away is restored to the original position through the lock cylinder dial wheel, the dial-away 41 is needed to be separated from the gear part 43; the dial 41 can be connected to a rotating component, such as a handle and a knob, which extend out of the lock case 100, and a user can rotate the dial 41 by rotating the handle or the knob, which is not described herein.

In order to enable the escape 41 to be disengaged from the gear portion 43, in the present embodiment, the escape 41 is in transmission connection with the key cylinder wheel 2 through a clutch push plate assembly, which is used to move upward when the key cylinder wheel 2 rotates to press the escape 41 downward and disengage the escape 41 from the motor assembly 5. Referring to fig. 3-5, and in conjunction with fig. 1, the clutch push plate assembly includes a push plate tension spring 72, a push plate 71, a first inclined surface 73, and a clutch pressure plate 74, wherein: the push plate 71 is in transmission connection with the lock cylinder thumb wheel 2 and can move upwards under the pushing of the lock cylinder thumb wheel 2, a first inclined surface 73 is arranged on the push plate, the clutch pressure plate 74 is arranged at the upper part of the thumb wheel 91 and provided with a second inclined surface 741 matched with the first inclined surface 73, and the push plate 71 is used for pressing the clutch pressure plate 74 downwards through the first inclined surface 73 to separate the dial 41 from the motor assembly 5 when moving upwards; the push plate spring 72 is used to reset the push plate 71, and a pressure plate spring 742 for resetting the push plate is further provided at a lower portion of the clutch pressure plate 74, and the pressure plate spring 742 is fixed to the guide post 743. Specifically, for the convenience of installation, as shown in fig. 5, an installation plate 45 is further provided on the upper portion of the dial 41, the clutch pressure plate 74 is clamped between the installation plate 45 and the dial 41, and the dial 41 is meshed with the gear portion 43 in a meshed state; the escape 41 can be separated from the gear portion 43 by the pressure of the clutch pressure plate 74. The clutch push plate assembly can realize linkage of the lock cylinder thumb wheel 2 and the clutch push plate assembly, so that two ways of unlocking by a key and unlocking by a motor are not influenced by each other.

Therefore, the motor assembly 5 with the above structure is in transmission with the escape 41, and the escape 41 is in transmission with the unlocking rod through the boss 410, the push block 44 and the shift lever 46, so that the motor unlocking latch bolt 3 is realized.

On the basis of the structure, when the motor breaks down after the latch bolt 3 is unlocked, the clutch push plate component can be pushed by the lock cylinder thumb wheel 2 to separate the gear part 43 from the motor component 5; then, the core wheel 2 rotates to drive the escape 41 to rotate and separate from the abutting point 111, so as to recover to the initial position, and prevent the latch bolt 3 from being unable to be recovered into the lock case 100.

As an alternative embodiment, referring to fig. 9 and 10, a horizontally extending slide hole 442 is formed on the push block 44, a slide post 443 is formed on the lock housing 100 and extends into the slide hole 442, and the matching structure of the slide hole 442 and the slide post 443 is used to limit the push block 44 from moving only in the horizontal direction when pushed by the dial 41.

The matching structure of the slide hole 442 and the slide post 443 can enable the push block 44 to displace only in the horizontal direction and push the shift lever 46 to swing, and the structure is simple and the transmission structure is stable. Preferably, a push block tension spring 445 is disposed on a side of the push block 44 facing away from the shift lever 46, and the other end of the push block tension spring 445 is fixed to the lock case 100 for pulling the push block 44 to return to the initial position after the boss 410 of the shift lever 41 is separated from the push block 44 by a restoring force thereof.

The motor unlocking latch bolt 3 is realized through the structural matching; if the motor breaks down after unlocking the latch bolt 3, the latch bolt 3 cannot be retracted into the lock case 100, and the lock body cannot be used continuously.

In view of this problem, as an alternative embodiment, as shown in fig. 11, a first dial 411 and a second dial 412 are present on the side circumference of escape 41. Referring to fig. 1, lock core thumb wheel 2 with dial and flee to be connected through the transmission of thumb block 6 between the subassembly, thumb block 6 rotates to be connected in lock shell 100, wherein, there are on the thumb block 6 to be used for with lock core thumb wheel 2 complex lock core dial point 61 and be used for with dial flee subassembly complex dial flee dial point 62, thumb block 6 can take place to rotate when lock core dial point 61 receives the promotion of lock core thumb wheel 2 to it flees the subassembly motion so that dial and flee subassembly and butt point 111 separation to make to flee the subassembly to dial to flee the promotion of dial point 62.

As shown in fig. 1, the dial 6 is rotatably connected in the lock housing 100, a cylinder dialing point 61 at one end of the dial extends to the moving path of the cylinder dialing wheel 2, and a dial escape point 62 at the other end of the dial is capable of pushing a first dial 411 or a second dial 412 on the dial 41 when the dial 6 swings. In this embodiment, referring to fig. 1, the key cylinder dial 2 dials the dial 6, (meanwhile, the key cylinder dial 2 pushes the clutch push plate assembly to make the clutch push assembly move upward and press the dial 41 downward, and make the gear portion 43 separate from the dial 41), the dial 6 rotates and pushes the first dial 411 through the dial-up dial point 62 to realize the rotation of the dial 41, so that the boss 410 is separated from the push block 44 and the dial 46, and the unlocking column returns to the original position to enable the latch 3 to reenter the lock case 100.

In this embodiment, a specific implementation of the unlocking lever locking latch 3 and the releasing latch 3 is given, please refer to fig. 1 and 6, the unlocking lever includes a first force arm 11, a second force arm 12 and a rotating shaft 13, wherein: the rotating shaft 13 is positioned between the first force arm 11 and the second force arm 12 and is used for enabling the first force arm 11 and the second force arm 12 to swing by taking the rotating shaft 13 as a fulcrum; the abutting point 111 is located at the end of the first force arm 11, and the end of the second force arm 12 has an engaging portion 14 for locking with the latch bolt 3.

The first force arm 11 and the second force arm 12 are of an integrated plate-shaped structure. The above-mentioned unlocking lever and unlocking plate 8 or the cooperation of dialling the subassembly and escaping mainly used the lever principle, wherein, above-mentioned pivot 13 is equivalent to the fulcrum, and when unlocking plate 8 or dialling when escaping the subassembly and promote first arm of force 11, second arm of force 12 uses the fulcrum as the center to the direction swing of keeping away from oblique tongue 3, realizes breaking away from of block portion 14 and oblique tongue 3. The latch tongues 3 in the prior art are all rotatably connected to the latch tongue frame 32 through a rotating shaft, as shown in fig. 1, which is not described herein.

Referring to fig. 1 and 6, a clamping groove 141 is formed on the engaging portion 14, a protruding shaft 31 fixed to a rotating shaft of the latch bolt 3 is formed on a side portion of the latch bolt 3, an opening of the clamping groove 141 faces the protruding shaft 31, and the clamping groove 141 can clamp and fix the protruding shaft 31 to limit rotation of the latch bolt 3; when the pushing portion pushes the first force arm 11, the second force arm 12 can drive the engaging groove 141 to disengage from the protruding shaft 31. Specifically, referring to fig. 6, the engaging portion 14 includes an L-shaped bottom plate 143 and a top plate 144 fixed to the top of the bottom plate 143, the L-shaped bottom plate 143 and the top plate 144 define the engaging groove 141, and since the opening of the engaging groove 141 faces the latch bolt 3, when the unlocking plate 8 and the trip member are not in contact with the first force arm 11, the engaging groove 141 can clamp the fixed protruding shaft 31, so that the latch bolt 3 cannot rotate, i.e., close the lock; when the unlocking plate 8 or the poking and escaping assembly pushes the first force arm 11, the second force arm 12 swings, the clamping groove 141 can be separated from the protruding shaft 31, the clamping part 14 unlocks the latch bolt 3, and the latch bolt 3 can enter the lock shell 100 through rotation when touching the door frame, so that unlocking is realized. The engaging portion 14 and the second arm are integrally formed, and the structure is simple and stable. To facilitate the return of the engaging portion 14, a compression spring (not shown) may be connected to the engaging portion 14. A through hole 321 is formed in one side wall of the latch frame 32 facing the engaging portion 14, and the top plate 144 of the engaging portion 14 can extend into the through hole 321 to engage with the protruding shaft 31 of the latch 3. The matching structure of the clamping part 14 and the latch bolt 3 is simple, and the clamping part 14 can be matched with the unlocking part 4 in a swinging mode, so that the clamping part 14 and the latch bolt 3 are locked and unlocked, and the unlocking and locking actions are smooth.

As an alternative embodiment, as shown in fig. 7, a first elastic element 112 is further connected to the first force arm 11, an end of a tension spring as the first elastic element 112 facing away from the first force arm 11 is fixed in the lock housing 100, and a restoring force of the first elastic element 112 (tension spring) is used for pulling the first force arm 11 back to the initial position after the abutment point 111 is separated from the unlocking plate 8 and the escape assembly.

The matching structure of the first elastic element 112 and the first force arm 11 is convenient for the unlocking rod to swing back to the original position under the restoring force of the tension spring to be locked with the latch bolt 3 again after the abutting point 111 is separated from the unlocking plate 8 or the poking and escaping component.

As an alternative embodiment, referring to fig. 7 and 8, the upper end of the unlocking plate 8 has an inclined surface 81 for contacting with the abutting point 111, the inclined surface 81 can push the abutting point 111 to swing when moving upward, and the lower part of the unlocking plate 8 has an engagement edge for engaging with the key cylinder dial 2.

Referring to fig. 7 and 8, when the key cylinder dial 2 pushes the unlocking plate 8 upwards through the matching edge when the key is turned, the unlocking plate 8 moves upwards, and because the end of the unlocking plate 8 matched with the abutting point 111 is an inclined surface 81, the abutting point 111 can be pushed, the unlocking rod can swing, referring to fig. 9, and the unlocking of the latch bolt 3 is realized.

As an alternative embodiment, referring to fig. 7, a second elastic member 83 is provided at a lower portion of the unlocking plate 8, one end of a tension spring as the second elastic member 83 is fixed to the lock case 100, and the other end is fixedly connected to the unlocking plate 8, and a restoring force of the second elastic member 83 is used to pull the unlocking plate 8 back to the original position when the unlocking plate 8 is separated from the key cylinder wheel 2.

When the unlocking plate 8 moves upward under the urging of the cylinder dial 2, the second elastic member 83 is extended. By means of the structure, after the lock cylinder shifting wheel 2 rotates back to the original position, the unlocking plate 8 is pulled back to the original position by the restoring force of the second elastic piece 83, the structure is simple, and the action is smooth.

As an alternative embodiment, referring to fig. 7, the unlocking plate 8 has a limiting hole 82, the lock case 100 has a limiting post 84 extending into the limiting hole 82, and the matching structure of the limiting hole 82 and the limiting post 84 is used for limiting the unlocking plate 8 to move in the up-and-down direction.

The above-mentioned matching structure of the position-limiting hole 82 and the position-limiting column 84 can be provided with a plurality of sets on the unlocking plate 8, for example, two sets are provided on the unlocking plate 8 in fig. 8; the unlocking plate 8 is only moved in the up-and-down direction under the pushing of the lock cylinder thumb wheel 2, the structure is simple, and the action is smooth.

Example 2

The embodiment provides a lock body, which comprises a lock shell 100, a latch bolt 3 positioned in the lock shell 100 and the latch bolt transmission assembly.

In the lock body provided by the embodiment, the latch bolt 3 can be unlocked through a key and can be unlocked through the driving part; and just break down when motor unblock latch bolt 3, accessible key drives lock core thumb wheel 2 and rotates and make and dial the subassembly of escaping and the separation of butt point 111, makes latch bolt 3 resume to the normal position, and the lock body can't use when preventing the motor trouble.

The particular features, structures, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. The utility model provides a latch bolt transmission assembly which characterized in that, includes the unblock board, dials the subassembly of fleing and is used for the lock solid and release the unblock pole of latch bolt, wherein:

the unlocking rod is characterized in that an abutting point is arranged at one end of the unlocking rod, the unlocking plate is in transmission connection with the lock cylinder shifting wheel and can move and push the abutting point when the lock cylinder shifting wheel rotates; the poking and escaping assembly is in transmission connection with a driving part and can push the abutting point under the driving of the driving part, and the unlocking rod swings and releases the latch bolt when the abutting point is pushed;

the poking and escaping assembly is in transmission connection with the lock cylinder poking wheel and is separated from the abutting point when the lock cylinder poking wheel rotates.

2. The latch bolt transmission assembly according to claim 1, wherein the poking assembly comprises a poking assembly and a poking rod rotatably connected in the lock housing, a boss is arranged at the lower part of the poking rod, the poking assembly comprises a pushing block and a poking rod, one end of the pushing block is positioned on the motion path of the boss, one end of the poking rod is in transmission connection with the pushing block, and the other end of the poking rod can push the abutting point when the poking rod swings.

3. The latch bolt transmission assembly according to claim 2, wherein the push block has a horizontally extending slide hole, and the lock housing has a slide post extending into the slide hole, the engagement structure of the slide hole and the slide post being configured to limit the push block from moving only in a horizontal direction when pushed by the dial-out.

4. The latch bolt transmission assembly according to claim 1 or 2, wherein the lock cylinder dial wheel is in transmission connection with the poking and escaping assembly through a poking block, the poking block is rotatably connected in the lock case, a lock cylinder poking point matched with the lock cylinder dial wheel and a poking and escaping point matched with the poking and escaping assembly are arranged on the poking block, the poking block can rotate when the lock cylinder poking point is pushed by the lock cylinder dial wheel, and the poking and escaping point pushes the poking and escaping assembly to rotate so that the poking and escaping assembly is separated from the abutting point.

5. The latch bolt drive assembly of claim 1, wherein the unlatching lever comprises a first moment arm, a second moment arm, and a pivot, wherein:

the rotating shaft is positioned between the first force arm and the second force arm and is used for enabling the first force arm and the second force arm to swing by taking the rotating shaft as a fulcrum; the abutting point is located at the end part of the first force arm, and a clamping part used for being locked with the latch bolt is arranged at the end part of the second force arm.

6. The latch bolt transmission assembly according to claim 5, wherein a first resilient member is further connected to the first force arm, an end of the first resilient member facing away from the first force arm is fixed in the lock housing, and a restoring force of the first resilient member is used to pull the first force arm back to the initial position after the abutment point is separated from the unlocking plate and the escape assembly.

7. The latch bolt transmission assembly according to claim 1, wherein the upper end of the unlocking plate has an inclined surface for contacting with the abutment point, the inclined surface can push the abutment point to swing when moving upward, and the lower portion of the unlocking plate has an engagement edge for engaging with the key cylinder dial.

8. The latch bolt transmission assembly according to claim 1 or 7, wherein a second elastic member is provided at a lower portion of the unlocking plate, one end of the second elastic member is fixed to the lock case, and the other end thereof is fixedly connected to the unlocking plate, and a restoring force of the second elastic member is used to pull the unlocking plate back to the original position when the unlocking plate is separated from the key cylinder wheel.

9. The latch bolt transmission assembly according to claim 1 or 7, wherein the unlocking plate is provided with a limiting hole, the lock housing is provided with a limiting post extending into the limiting hole, and the matching structure of the limiting hole and the limiting post is used for limiting the unlocking plate to move in the up-and-down direction.

10. A lock body including a lock housing, and a deadbolt located within the lock housing and a deadbolt actuation assembly as claimed in any one of claims 1-9.

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