CN217205893U

CN217205893U - Lock body

Info

Publication number: CN217205893U
Application number: CN202122805297.7U
Authority: CN
Inventors: 胡利恒
Original assignee: Guangdong Oulang Security Technology Co ltd
Current assignee: Guangdong Oulang Security Technology Co ltd
Priority date: 2021-11-16
Filing date: 2021-11-16
Publication date: 2022-08-16
Anticipated expiration: 2031-11-16

Abstract

The utility model provides a lock body, which comprises a lock shell, a lock core thumb wheel, an unlocking part, a transmission part and a main spring bolt component, wherein the lock core thumb wheel is rotatablely arranged on the lock shell; the unlocking piece is rotatably arranged on the lock shell and arranged on a rotating path of the lock cylinder thumb wheel; the driving medium sets up in the lock shell rotationally, and the driving medium sets up in the rotation route of unblock piece, and main spring bolt subassembly is optionally stretched out or is withdrawn relatively the lock shell, and the driving medium is connected with main spring bolt subassembly transmission to drive main spring bolt subassembly and withdraw relatively the lock shell. The utility model provides a lock body drives the deblocking piece through the lock core thumb wheel and rotates, and the deblocking piece rotates and drives the driving medium rotation again, finally drives main spring bolt subassembly and locks the shell withdrawal relatively, has promoted lock core thumb wheel and has driven driving medium pivoted efficiency, has reduced the lock core thumb wheel and has driven main spring bolt subassembly and lock the required turned angle of shell withdrawal relatively, can realize that the small-angle of lock body unblanks, avoids appearing the phenomenon that can't unblank through rotating the lock core thumb wheel.

Description

Lock body

Technical Field

The utility model relates to a tool to lock technical field particularly, relates to a lock body.

Background

The conventional door lock is unlocked by two methods, one is a handle installed outdoors by rotation, and the other is a knob installed indoors by rotation. The unlocking angle of unlocking through the knob mostly exceeds 90 degrees, the unlocking angle of the handle mostly is less than or equal to 50 degrees, if the indoor unlocking function of the handle is not matched, only the unlocking function of the knob is matched, and the phenomenon that the door can not be opened through rotating the knob can be caused because the rotating angle of the knob is usually designed to be less than or equal to 90 degrees, so that troubles are brought to users.

Disclosure of Invention

An object of the embodiment of the utility model is to provide a lock body to solve above-mentioned problem. The embodiment of the utility model provides an above-mentioned purpose is realized through following technical scheme.

The utility model provides a lock body, which comprises a lock shell, a lock core thumb wheel, an unlocking part, a transmission part and a main spring bolt component, wherein the lock core thumb wheel is rotatablely arranged on the lock shell; the unlocking piece is rotatably arranged on the lock shell and arranged on a rotating path of the lock cylinder thumb wheel; the driving medium sets up in the lock shell rotationally, and the driving medium sets up in the rotation route of unblock spare, and main spring bolt subassembly is optionally stretched out or is withdrawn relative the lock shell, and the driving medium is connected with main spring bolt subassembly transmission to drive main spring bolt subassembly and withdraw relative the lock shell.

In one embodiment, the lock body further comprises a fixed shaft, the fixed shaft is fixedly arranged on the lock shell, and the unlocking piece penetrates through the fixed shaft and can rotate relative to the fixed shaft.

In an embodiment, the unlocking piece includes first unlocking portion, second unlocking portion and rotation main part, rotates the main part and rotationally sets up in the lock shell, and first unlocking portion and second unlocking portion are respectively from rotating the main part and extending along the equidirectional, and first unlocking portion sets up in the rotation path of lock core thumb wheel to be located between lock core thumb wheel and the driving medium, and second unlocking portion offsets with the driving medium.

In one embodiment, the transmission part comprises a first abutting surface, a second abutting surface and a connecting arc surface, the first abutting surface abuts against the unlocking piece, the connecting arc surface is connected between the first abutting surface and the second abutting surface, and a central angle corresponding to the connecting arc surface is smaller than or equal to 90 degrees.

In an embodiment, the lock body further includes a rotation limiting member disposed on the lock case, and the rotation limiting member is disposed on a rotation path of the transmission member and configured to abut against the second abutting surface.

In an embodiment, the driving medium sets up between lock shell and main spring bolt subassembly, and the driving medium includes the transmission surface and the transmission back that back of the body carried on the back mutually, and the transmission back sets up with the lock shell relatively, and the driving medium is equipped with spacing arch, and spacing arch is protruding to be located the transmission surface.

In one embodiment, the lock body further includes a rotating shaft, the rotating shaft is disposed on the lock housing, the transmission member is rotatably disposed on the rotating shaft, the limiting protrusion is arc-shaped, and the arc-shaped center is located on the rotating shaft.

In one embodiment, the lock body further comprises a bidirectional tongue assembly movably disposed in the lock housing and an anti-plug member rotatably disposed in the lock housing and selectively stopping or disengaging the bidirectional tongue assembly, the deadbolt wheel being drivingly connected to the anti-plug member for driving the anti-plug member out of engagement with the bidirectional tongue assembly.

In one embodiment, the lock body further comprises an anti-insertion connecting rod and a triangular tongue assembly, wherein the anti-insertion connecting rod is connected with the anti-insertion piece and is arranged on a rotation path of the unlocking piece, the triangular tongue assembly is arranged on the lock shell and selectively extends out or retracts back relative to the lock shell, the extension of the triangular tongue assembly relative to the lock shell is used for driving the anti-insertion connecting rod to move, and the movement of the anti-insertion connecting rod is used for driving the anti-insertion piece to be separated from the bidirectional tongue assembly.

In one embodiment, the lock body further includes a lever assembly rotatably disposed in the lock housing, the driving member is in driving connection with the lever assembly, the lever assembly includes a rod body, the main bolt assembly is provided with an opening, and the rod body extends into the opening.

Compared with the prior art, the utility model provides a lock body drives the piece of deblocking through the lock core thumb wheel and rotates, and the piece of deblocking rotates and drives the driving medium rotation again, finally drives main spring bolt subassembly and locks the shell withdrawal relatively, has promoted lock core thumb wheel and has driven driving medium pivoted efficiency, has reduced the lock core thumb wheel and has driven the required turned angle of main spring bolt subassembly lock shell withdrawal relatively, can realize that the low-angle of lock body unblanks, avoids appearing the phenomenon that can't unblank through rotating the lock core thumb wheel.

These and other aspects of the invention will be apparent from and elucidated with reference to the embodiments described hereinafter.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the description below are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a state diagram of the lock body provided by the present invention when the main bolt assembly is extended relative to the housing.

Figure 2 is a partially exploded view of the lock body shown in figure 1.

Figure 3 is a schematic view of one configuration of the lock body shown in figure 1 (without the main bolt assembly).

Figure 4 is another schematic view of the lock body shown in figure 1 (without the main bolt assembly).

Figure 5 is a state view of the lock body shown in figure 1 with the main bolt assembly retracted relative to the housing.

Detailed Description

In order to facilitate understanding of the embodiments of the present invention, the embodiments of the present invention will be described more fully below with reference to the accompanying drawings. The preferred embodiments of the present invention are illustrated in the accompanying drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the embodiments of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

Referring to fig. 1, the present invention provides a lock body 1, which includes a lock case 10, a lock cylinder dial wheel 20, an unlocking member 30, a transmission member 50 and a main bolt assembly 70, wherein the lock cylinder dial wheel 20 is rotatably disposed on the lock case 10; the unlocking piece 30 is rotatably arranged on the lock shell 10, and the unlocking piece 30 is arranged on the rotation path of the lock cylinder thumb wheel 20; the driving member 50 is rotatably disposed on the lock case 10, the driving member 50 is disposed on a rotation path of the unlocking member 30, the main bolt assembly 70 is selectively extended or retracted relative to the lock case 10, and the driving member 50 is drivingly connected to the main bolt assembly 70 to drive the main bolt assembly 70 to retract relative to the lock case 10.

Referring to fig. 2 and 3, the housing 10 includes a mounting side plate 12 and a bottom shell 14, the bottom shell 14 and the mounting side plate 12 are substantially rectangular, and the bottom shell 14 can be used to mount the cylinder dials 20, the unlocking member 30, the driving member 50, and the main bolt assembly 70. A mounting side plate 12 is connected to one side of the bottom case 14, and the mounting side plate 12 can be used for mounting on a door panel to mount the lock body 1 on the door panel. The lock case 10 further includes a top case (not shown) covering the bottom case 14 to form a receiving cavity for receiving the cylinder wheel 20, the unlocking member 30 and the transmission member 50, which are engaged with the bottom case 14.

The lock cylinder thumb wheel 20 is rotatably arranged on the lock shell 10, and the lock cylinder thumb wheel 20 can be connected with an indoor knob so as to unlock the lock body 1 by rotating the knob. The lock cylinder dial 20 comprises a dial rod 22, and the dial rod 22 is of a substantially rectangular rod-shaped structure and can be used for dialing the unlocking piece 30; in addition, the key cylinder wheel 20 further includes a wheel main body 24, the wheel main body 24 is substantially cylindrical, the wheel main body 24 is rotatably disposed on the bottom case 14, the wheel main body 24 can be rotated by a key, for example, the wheel main body 24 can be provided with a keyhole matching with the shape of the key. The tap lever 22 protrudes from the main body 24, and in this embodiment, the tap lever 22 is integrated with the main body 24. In other embodiments, the tap lever 22 and the wheel body 24 may be connected by welding, plugging, bonding, or other means.

The unlocking member 30 is rotatably disposed on the lock case 10, and the unlocking member 30 is disposed on a rotation path of the lock cylinder wheel 20, so that the rotation of the lock cylinder wheel 20 can drive the unlocking member 30 to rotate.

In one embodiment, the lock body 1 further includes a fixing shaft 40, the fixing shaft 40 is fixedly disposed on the lock case 10, and the unlocking member 30 is disposed through the fixing shaft 40 and is rotatable with respect to the fixing shaft 40. In one embodiment, the fixing shaft 40 may be fixedly disposed on the bottom case 14 by interference fit, welding, or bonding. In an embodiment, can set up the bearing between unlocking piece 30 and the fixed axle 40 to make the relative fixed axle 40's of unlocking piece 30 rotation more smooth and easy, the user unblanks more laborsavingly, promotes user experience.

In the present embodiment, the unlocking member 30 includes a first unlocking portion 31, a second unlocking portion 33, and a rotating body portion 35. The rotating body portion 35 is rotatably provided to the lock case 10, for example, the rotating body portion 35 is rotatably provided to the fixed shaft 40; the first unlocking part 31 and the second unlocking part 33 respectively extend from the rotating main body part 35 along different directions, wherein the first unlocking part 31 is arranged on a rotating path of the lock cylinder thumb wheel 20 and is positioned between the lock cylinder thumb wheel 20 and the transmission piece 50, so that the lock cylinder thumb wheel 20 can be abutted against the first unlocking part 31 in the rotating process, and the second unlocking part 33 is abutted against the transmission piece 50. In the present embodiment, the unlocking member 30 further includes a third unlocking portion 37, and the third unlocking portion 37 and the first unlocking portion 31 are connected to opposite sides of the rotating body portion 35.

In the present embodiment, the first unlocking part 31 and the second unlocking part 33 are disposed on the same side of the rotation body part 35, so that the key cylinder wheel 20 and the driver 50 can be disposed adjacent to each other, and the inner space of the lock case 10 can be fully utilized. In other embodiments, the first unlocking part 31 and the second unlocking part 33 may be disposed on opposite sides of the rotary body part 35.

In one embodiment, the first unlocking unit 31 and the second unlocking unit 33 may be integrally provided, and the first unlocking unit 31 may be configured to be capable of abutting against the key cylinder dial 20, and the second unlocking unit 33 may be configured to be capable of abutting against the driver 50.

The first unlocking portion 31 is provided with a contact column 312, and the contact column 312 extends from the first unlocking portion 31 in a direction away from the bottom case 14, and is used for contacting with the key cylinder dial wheel 20. In this embodiment, the abutment post 312 is generally cylindrical. In other embodiments, the abutment post 312 may also be rectangular parallelepiped or other shape. The height of the abutting column 312 can be set according to actual conditions, and the abutting column can abut against the lock cylinder dial wheel 20 and cannot interfere with the top shell of the lock shell 10.

Referring to fig. 3 and 4, the transmission member 50 is rotatably disposed on the lock housing 10, and the transmission member 50 is disposed on a rotation path of the unlocking member 30, such that the rotation of the unlocking member 30 can drive the transmission member 50 to rotate. It should be noted that the rotation of the transmission member 50 can also drive the unlocking member 30 to rotate, so that the unlocking member 30 returns to the initial state, where the initial state refers to a state when the lock cylinder dial wheel 20 does not abut against the unlocking member 30. In this embodiment, the lock body 1 further includes a rotating shaft 110, the rotating shaft 110 is disposed on the lock case 10, and the transmission member 50 is rotatably disposed on the rotating shaft 110, for example, the rotating shaft 110 is fixedly disposed on the bottom case 14, and the transmission member 50 is rotatable around the rotating shaft 110, or the rotating shaft 110 is rotatably disposed on the bottom case 14 and the transmission member 50 is fixedly disposed on the rotating shaft 110.

The transmission member 50 includes a first abutting surface 51, a second abutting surface 53 and a connecting arc surface 55, wherein the first abutting surface 51 abuts against the unlocking member 30, the second abutting surface 53 is spaced apart from the first abutting surface 51, and the connecting arc surface 55 is connected between the first abutting surface 51 and the second abutting surface 53. In this embodiment, connect the central angle that cambered surface 55 corresponds and be less than or equal to 90 for first butt face 51 can offset with unlocking piece 30, avoids appearing unlocking piece 30's rotation and can not drive driving medium 50 pivoted phenomenon, also, avoids unlocking piece 30's idle running, has promoted lock core thumb wheel 20 and has driven driving medium 50 pivoted efficiency, can also promote user experience.

The transmission member 50 is disposed between the housing 10 and the main bolt assembly 70. The transmission member 50 includes a transmission surface 56 and a transmission back surface (not shown), the first abutting surface 51, the second abutting surface 53 and the connecting arc surface 55 are connected between the transmission surface 56 and the transmission back surface, wherein the transmission back surface is disposed opposite to the lock case 10, the transmission surface 56 is opposite to the transmission back surface, and the transmission surface 56 is opposite to the main bolt assembly 70.

In this embodiment, the transmission element 50 is provided with a limiting protrusion 58, the limiting protrusion 58 is convexly disposed on the transmission surface 56, and the arrangement of the limiting protrusion 58 can reduce the distance between the transmission element 50 and the main latch bolt assembly 70, so that the main latch bolt assembly 70 can limit the movement of the transmission element 50, and the transmission function of the transmission element 50 is prevented from being affected by tilting of the transmission element 50 relative to the bottom case 14.

In this embodiment, the limiting protrusion 58 is arc-shaped, and the center of the arc-shaped is located on the rotating shaft 110, so that the extending direction of the limiting protrusion 58 can be consistent with the rotating direction of the transmission member 50, the area swept by the limiting protrusion 58 in the rotating process of the transmission member 50 can be reduced, the probability of interference between the transmission member 50 and the main bolt assembly 70 in the rotating process can be reduced, and the appearance consistency of the transmission member 50 can be further improved. As an example, the height range of the limiting protrusion 58 may be approximately between 1mm and 3mm, when the height of the limiting protrusion 58 is less than 1mm, the distance between the limiting protrusion 58 and the main bolt assembly 70 is relatively large, and the limiting effect of the main bolt assembly 70 on the transmission member 50 is not obvious; when the height of the limiting projection 58 is greater than 3mm, the spacing between the limiting projection 58 and the main bolt assembly 70 is small, and the limiting projection 58 risks interfering with the main bolt assembly 70.

The transmission member 50 is further provided with a gear tooth surface 59, and the gear tooth surface 59 is arranged on one side of the transmission member 50 away from the connecting arc surface 55. The gear tooth surface 59 may be provided with a plurality of gear teeth.

The lock body 1 further includes a rotation limiting member 60, the rotation limiting member 60 is disposed on the lock case 10, and the rotation limiting member 60 is disposed on a rotation path of the transmission member 50, so that the transmission member 50 can abut against the rotation limiting member 60 in a rotation process. In the present embodiment, the rotation limiting member 60 is used to abut against the second abutting surface 53 to limit the rotation angle of the transmission member 50, so as to prevent the transmission member 50 from being separated from the unlocking member 30 due to an excessive rotation, and facilitate the transmission member 50 to drive the unlocking member 30 to rotate in the opposite direction during locking.

Referring to fig. 2 and 5, the main bolt assembly 70 is selectively extendable and retractable relative to the housing 10, and the transmission member 50 is drivingly connected to the main bolt assembly 70 to cause the main bolt assembly 70 to retract relative to the housing 10. Drive unlocking piece 30 through lock core thumb wheel 20 and rotate, unlocking piece 30 rotates and drives driving medium 50 again and rotates, finally drive main spring bolt subassembly 70 and to lock shell 10 withdrawal relatively, compare in the mode through rectilinear movement drive driving medium 50 and rotate, unlocking piece 30 rotates the mode that drives driving medium 50 and has promoted lock core thumb wheel 20 and drive driving medium 50 pivoted efficiency, the required turned angle of lock shell 10 withdrawal of lock core thumb wheel 20 drive main spring bolt subassembly 70 has been reduced, can realize that the small-angle of lock body 1 is unblanked, for example, the angle of unblanking through lock core thumb wheel 20 is being less than or equal to 50 degrees, make the angle of unblanking of indoor knob roughly equal with the angle of unblanking of outdoor handle, avoid appearing the phenomenon that can't unblank through rotating lock core thumb wheel 20.

When the main bolt assembly 70 extends out relative to the lock case 10, the lock body 1 is in a locked state, and when the main bolt assembly 70 retracts relative to the lock case 10, the lock body 1 is in an unlocked state. The main bolt assembly 70 includes a main bolt 72 and a main bolt connector 74, wherein the main bolt connector 74 is movably disposed in the lock case 10, and the main bolt 72 is connected to the main bolt connector 74 and can extend out of the lock case 10. The main bolt connection 74 is provided with an opening 741, the opening 741 being substantially inverted "in shape.

In one embodiment, the lock body 1 further comprises a bi-directional tongue assembly 80 and an anti-insertion member 90, the bi-directional tongue assembly 80 is movably disposed on the lock case 10, the anti-insertion member 90 is rotatably disposed on the lock case 10 and selectively stops the bi-directional tongue assembly 80 or is separated from the bi-directional tongue assembly 80, and the key cylinder wheel 20 is drivingly connected to the anti-insertion member 90 for driving the anti-insertion member 90 to be separated from the bi-directional tongue assembly 80.

The bi-directional tongue assembly 80 has an extended state, wherein the extended state is when the bi-directional tongue assembly 80 is extended relative to the housing 10, and a retracted state, wherein the bi-directional tongue assembly 80 is retracted relative to the housing 10. The bi-directional tongue assembly 80 is retracted into the housing 10 by the compressive force of the doorframe and extends out of the housing 10 when the compressive force is removed.

The anti-insertion member 90 selectively abuts against or disengages from the bi-directional tongue assembly 80 for stopping the bi-directional tongue assembly 80 in the retracted state. The anti-insertion member 90 has an anti-insertion state and an anti-insertion release state, wherein the anti-insertion state refers to the anti-insertion member 90 abutting against the bi-directional tongue assembly 80 when the bi-directional tongue assembly 80 is in the extended state; the anti-removal state refers to the bi-directional tongue assembly 80 being in either an extended state or a retracted state when the anti-insertion member 90 is separated from the bi-directional tongue assembly 80. In this embodiment, the rotation of the cylinder wheel 20 will rotate the unlocking member 30, and the third unlocking portion 37 is required to drive the anti-plug member 90 to be in the anti-plug release state before the unlocking member 30 drives the main bolt assembly 70 to retract relative to the lock case 10.

Referring to fig. 5, in one embodiment, the lock body 1 further includes an anti-jamming link 100 and a triangular tongue assembly 130, the anti-jamming link 100 is connected to the anti-jamming member 90 and disposed in a rotation path of the unlocking member 30, the triangular tongue assembly 130 is disposed in the lock housing 10 and selectively extends or retracts relative to the lock housing 10, the extension of the triangular tongue assembly 130 relative to the lock housing 10 is used to drive the anti-jamming link 100 to move, and the movement of the anti-jamming link 100 is used to drive the anti-jamming member 90 to separate from the two-way tongue assembly 80.

The anti-insertion link 100 is movably disposed at the bottom case 14. The anti-jamming link 100 comprises a first connecting portion 101 and a second connecting portion 102, wherein the first connecting portion 101 is connected with the anti-jamming unit 90, the second connecting portion 102 is connected with the first connecting portion 101, and the second connecting portion 102 is in transmission connection with the triangular tongue assembly 130.

The triangular tongue assembly 130 comprises a triangular tongue 131 and a triangular tongue connecting member 133, the triangular tongue 131 is connected to the triangular tongue connecting member 133, and the triangular tongue connecting member 133 is movably disposed on the bottom housing 14 to extend the triangular tongue 131 out of the lock housing 10 or retract the triangular tongue 131 into the lock housing 10. The triangular tongue connecting member 133 can be in transmission connection with the second connecting portion 102 to drive the anti-jamming link 100 to move. The triangular tongue assembly 130 further includes a triangular tongue elastic member 135, and the triangular tongue elastic member 135 is wound around the triangular tongue connecting member 133 to provide a force for extending the triangular tongue 131 out of the lock case 10.

In one embodiment, the lock body 1 further comprises a lever assembly 150, the lever assembly 150 is rotatably disposed on the lock housing 10, and the transmission member 50 is drivingly connected to the lever assembly 150. For example, the shifter assembly 150 may be provided with gear teeth, and the gear teeth of the transmission member 50 may be engaged with the gear teeth of the shifter assembly 150, thereby achieving smooth transmission between the transmission member 50 and the shifter assembly 150.

In the embodiment, the lever assembly 150 includes a rod 152, and the rod 152 extends into the opening 741. Such that rotation of the lever assembly 150 causes the main bolt assembly 70 to extend or retract relative to the housing 10.

When the unlocking piece 30 is driven by the lock cylinder dial wheel 20 to rotate, on one hand, the unlocking piece 30 can drive the transmission piece 50 to rotate, and the transmission piece 50 drives the shift lever assembly 150 to rotate, for example, to rotate in the counterclockwise direction, so as to drive the main bolt assembly 70 to retract relative to the lock shell 10, thereby unlocking the lock body 1; on the other hand, the unlocking member 30 drives the anti-insertion link 100 to move downward, so that the anti-insertion member 90 is separated from the bi-directional tongue member 80, and the anti-insertion member 90 is in the anti-insertion release state. It should be noted that, when the unlocking angle of the key cylinder is controlled to be less than or equal to 50 degrees, the main bolt assembly 70 retracts relative to the lock housing 10 before the anti-plug 90 is in the anti-plug release state, so as to avoid the fault report of the lock body 1 and improve the safety performance of the lock body 1. When the driving motor drives the lever assembly 150 to rotate, for example, clockwise, the lever assembly 150 drives the main bolt assembly 70 to extend relative to the lock housing 10, so as to lock the lock body 1.

To sum up, the utility model provides a lock body 1, drive unlocking piece 30 through lock core thumb wheel 20 and rotate, unlocking piece 30 rotates and drives driving medium 50 again and rotates, finally drive main spring bolt subassembly 70 and lock shell 10 retractions relatively, the efficiency that lock core thumb wheel 20 drove driving medium 50 rotations has been promoted, it drives the required turned angle of lock shell 10 retractions relatively to lock shell 70 to have reduced lock core thumb wheel 20, can realize that the small-angle of lock body 1 unblanks, avoid appearing the phenomenon that can't unblank through rotating lock core thumb wheel 20.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A lock body, comprising:

a lock case;

the lock cylinder thumb wheel is rotatably arranged on the lock shell;

the unlocking piece is rotatably arranged on the lock shell and comprises a first unlocking part, a second unlocking part and a rotating main body part, the rotating main body part is rotatably arranged on the lock shell, the first unlocking part and the second unlocking part respectively extend from the rotating main body part along different directions, the first unlocking part is arranged on a rotating path of the lock cylinder shifting wheel and is positioned between the lock cylinder shifting wheel and the transmission member, and the second unlocking part is abutted to the transmission member; and

driving medium and main spring bolt subassembly, the driving medium rotationally set up in the lock shell, the driving medium set up in the rotation route of unblock piece, main spring bolt subassembly is selectively relative the lock shell stretches out or retracts, the driving medium with main spring bolt subassembly transmission is connected, in order to drive main spring bolt subassembly is relative the lock shell retracts, the driving medium includes first butt face, second butt face and connection cambered surface, first butt face with the unblock piece offsets, connect the cambered surface connect in first butt face with between the second butt face, the central angle that the connection cambered surface corresponds is less than or equal to 90.

2. The lock of claim 1, further comprising a fixed shaft fixedly disposed on the lock housing, wherein the unlocking member is disposed through the fixed shaft and is rotatable relative to the fixed shaft.

3. A lock body according to claim 1, further comprising a rotation limiting member, wherein the rotation limiting member is disposed on the lock housing, and the rotation limiting member is disposed on a rotation path of the transmission member for abutting against the second abutting surface.

4. The lock of claim 1, wherein the transmission member is disposed between the lock housing and the main bolt assembly, the transmission member includes a transmission surface and a transmission back surface opposite to the lock housing, the transmission member has a limiting protrusion protruding from the transmission surface.

5. A lock body according to claim 4, further comprising a rotating shaft, wherein the rotating shaft is disposed on the lock housing, the transmission member is rotatably disposed on the rotating shaft, the limiting protrusion is arc-shaped, and the center of the arc-shape is located on the rotating shaft.

6. The lock of claim 1, further comprising a bi-directional tongue assembly movably disposed in said housing and an anti-jamming member rotatably disposed in said housing and selectively stopping or disengaging said bi-directional tongue assembly, said deadbolt wheel being drivingly connected to said anti-jamming member for moving said anti-jamming member out of engagement with said bi-directional tongue assembly.

7. The lock of claim 6, further comprising an anti-jamming link and a triangular tongue assembly, wherein the anti-jamming link is connected to the anti-jamming member and is disposed in a rotational path of the unlocking member, wherein the triangular tongue assembly is disposed in the lock housing and selectively extends or retracts relative to the lock housing, wherein extension of the triangular tongue assembly relative to the lock housing is configured to move the anti-jamming link, and wherein movement of the anti-jamming link is configured to disengage the anti-jamming member from the bi-directional tongue assembly.

8. The lock of claim 1, further comprising a lever assembly rotatably disposed in said housing, said actuator drivingly connected to said lever assembly, said lever assembly including a rod, said main bolt assembly having an opening, said rod extending into said opening.