CN211448116U - Lock body - Google Patents

Abstract

The utility model belongs to the technical field of door locks, and discloses a lock body, which comprises a clutch outer sleeve, an outer clutch shifting block, an inner clutch shifting block, a lock shell, a latch bolt component, a main spring bolt component, a latch bolt pushing plate component, a transmission plate component and a driving mechanism, wherein the two ends of the clutch outer sleeve are provided with first bosses, the outer clutch shifting block is provided with first grooves, and the first bosses are arranged in the first grooves; the outer clutch shifting block is provided with a clamping groove, the side wall of the clutch outer sleeve is provided with a clutch pin hole, a clutch pin which can be clamped into the clamping groove is arranged in the clutch pin hole, second grooves are formed in two ends of the clutch outer sleeve, and the inner clutch shifting block is provided with a second boss matched with the second grooves. The both ends at separation and reunion overcoat are installed to the equal detachable of outer separation and reunion shifting block and interior separation and reunion shifting block, and the second recess and the first boss that design on the separation and reunion overcoat are both ends symmetrical formula, can pull down outer separation and reunion shifting block and interior separation and reunion shifting block, then change the mounted position, realize the inside and outside switching-over of lock body, still can drive the separation and reunion overcoat after the change and rotate.

Description

Lock body

Technical Field

The utility model belongs to the technical field of the lock, concretely relates to lock body.

Background

The lock body is one of the components of the lock, and the lock body has a plurality of types, such as a one-way lock body, a three-way lock body, a four-way lock body and the like. The lock is generally used on a security door and is responsible for basic security work of the security door, the lock cylinder controls the operation of the lock body, and the lock body is responsible for unlocking and locking the door and the window and plays an important role in security. In the process of implementing the invention, the inventor finds that at least the following problems exist in the prior art: most of lock bodies on the market at present are ordinary mechanical lock bodies and do not have the function of electrically operating a switch lock, namely a clutch is not arranged in the lock body. The common mechanical lock body is easy to have potential safety hazard, namely, the panel arranged on the door can be unlocked after being damaged. Because there are the multiple condition of opening in a left side, opening outward in a right side in the direction of opening the door, even if the lock body of the built-in clutch structure that exists on the market, most can not conveniently carry out the change of inside and outside direction of unblanking to the lock body, often all need unpack whole lock body apart the back, pack back again and just can change the direction, unusual inconvenience. And most of the existing lock bodies have complex structures and are easy to have a plurality of fault points, and once the fault points occur, the door can be opened by drilling the lock.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving above-mentioned technical problem to a certain extent at least. Therefore, the utility model aims to provide an inside and outside lock body that unblanks direction interchangeable.

The utility model discloses the technical scheme who adopts does: a lock body comprises a clutch outer sleeve, an outer clutch shifting block, an inner clutch shifting block, a lock shell, a latch bolt assembly, a main spring bolt assembly, a latch bolt pushing plate assembly, a transmission plate assembly and a driving mechanism, wherein first bosses are symmetrically arranged at two ends of the clutch outer sleeve; the outer clutch shifting block is provided with a clamping groove, a clutch pin hole is formed in the side wall of the clutch outer sleeve, a clutch pin capable of being clamped into the clamping groove is arranged in the clutch pin hole, second grooves are symmetrically formed in two ends of the clutch outer sleeve, a second boss matched with the second grooves is arranged on the inner clutch shifting block, and the driving mechanism is used for controlling the clutch pin to be clamped into the clamping groove.

Furthermore, a threaded hole is formed in the outer clutch shifting block, a through hole is formed in the inner clutch shifting block 5, and the inner clutch shifting block penetrates through the through hole through a screw to be installed in the threaded hole, so that the outer clutch shifting block and the inner clutch shifting block can clamp the clutch outer sleeve.

Furthermore, the driving mechanism comprises a mounting shell, a transmission spring and a push plate, the push plate is arranged in a mounting groove of the mounting shell, the push plate is provided with a containing cavity, and the push plate is also provided with a third strip-shaped groove communicated with the containing cavity; the installation casing in be provided with the motor, the motor passes through reduction gear set and output shaft, the output shaft is provided with the bulge, the transmission spring cover is established on the output shaft, and transmission spring is located and holds the intracavity, the bulge is in transmission spring's pitch clearance, the transmission spring both ends all are provided with stretches out the section, stretch out the section and install in third bar groove.

Further, the lock shell comprises an inner shell and an outer shell, the inner shell and the outer shell are provided with first bulges distributed in an annular array, circular rings are arranged at two ends of the clutch outer sleeve, and the circular rings are in contact with the first bulges.

Furthermore, the clutch device also comprises an inclined tongue poking plate, wherein an arc-shaped slot is formed in the inclined tongue poking plate, a third boss is arranged on the clutch outer sleeve and is positioned in the annular slot, and the inclined tongue poking plate is movably connected with the inclined tongue assembly.

Furthermore, a first strip-shaped groove is formed in the main spring bolt assembly, a cylinder is arranged on the lock shell and is arranged in the first strip-shaped groove, the transmission plate assembly is rotatably connected with the cylinder, a round table is arranged at one end of the transmission plate assembly and is arranged in a sliding groove in the main spring bolt assembly, the other end of the transmission plate assembly is connected with the lock shell through a torsion spring, and first transmission teeth are arranged on the transmission plate assembly; the clutch outer sleeve is connected with a main lock tongue poking plate, the main lock tongue poking plate is provided with second transmission teeth, and the first transmission teeth are meshed with the second transmission teeth.

Furthermore, main spring bolt subassembly on be provided with the projection of symmetric distribution, be provided with the second bar groove on the oblique tongue promotes the board subassembly, the projection sets up in the second bar inslot, and main spring bolt subassembly is provided with first spliced pole, oblique tongue promotes the board subassembly and is provided with the second spliced pole, first spliced pole passes through the extension spring and is connected with the second spliced pole.

Furthermore, the inner wall of the clutch pin hole is provided with a first step, a clutch pin spring is arranged on the first step, a clutch pin penetrates through the clutch pin spring, a second step is arranged on the clutch pin, and the upper end of the clutch pin spring is in contact with the second step.

The utility model has the advantages that:

the utility model discloses a lock body, outer separation and reunion shifting block and interior separation and reunion shifting block all are detachable and install the both ends at the separation and reunion overcoat, because the second recess and the first boss of design on the separation and reunion overcoat are the design of both ends symmetry formula, consequently can pull down outer separation and reunion shifting block and interior separation and reunion shifting block, then change the mounted position of outer separation and reunion shifting block and interior separation and reunion shifting block, can realize the inside and outside switching-over of lock body. After the replacement, the inner clutch shifting block and the outer clutch shifting block can still drive the clutch outer sleeve to rotate. When the external clutch shifting block is used for unlocking, only when the driving mechanism clamps the clutch pin into the clamping groove, the rotating handle drives the clutch outer sleeve to rotate, so that the clutch outer sleeve drives the latch bolt assembly to move, unlocking is realized, the structure is simple, and the reliability is high.

Drawings

Figure 1 is a schematic structural view of a lock body;

FIG. 2 is a first schematic structural view of a clutch housing;

FIG. 3 is a second schematic structural view of the clutch housing;

FIG. 4 is a third schematic structural view of the clutch housing;

FIG. 5 is a schematic view of the assembly of the outer clutch shift block, the inner clutch shift block and the clutch outer sleeve;

FIG. 6 is a front view of the clutch housing;

FIG. 7 is a schematic view of the clutch housing installation;

FIG. 8 is a schematic view of the construction of the latch strike plate;

fig. 9 is a schematic structural view of the main deadbolt toggle plate;

FIG. 10 is a schematic view of the latch bolt toggle plate and latch bolt assembly being connected;

fig. 11 is a schematic structural view of a main bolt assembly;

FIG. 12 is a schematic view of the connection of the main bolt assembly to the deadbolt push plate;

FIG. 13 is a schematic view of the construction of the latch tongue pushing plate;

fig. 14 is a schematic view of a main bolt assembly installation;

FIG. 15 is a front schematic side view of the drive plate assembly;

FIG. 16 is a back side schematic view of the drive plate assembly;

FIG. 17 is a schematic illustration of the installation of the drive plate assembly;

FIG. 18 is a schematic structural view of the mounting housing;

FIG. 19 is a schematic view of the drive mechanism;

FIG. 20 is a schematic view of the installation of the drive spring;

FIG. 21 is a schematic view of the construction of a pusher plate;

FIG. 22 is a schematic view of the connection of the push plate to the output shaft;

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in 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 "first", "second", and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the description of the embodiments of the present invention, it should be understood that the terms "upper", "front", "rear", "left", "right", "bottom", "side", and the like indicate orientations or positional relationships based on the orientations or positional relationships 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 being 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 embodiments.

In the description of the embodiments of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable 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 as appropriate by those of ordinary skill in the art.

The present invention will be further described with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1 to 6, a lock body comprises a clutch outer sleeve 1, an outer clutch shifting block 4 and an inner clutch shifting block 5, wherein a first boss 16 is arranged on the inner wall of the clutch outer sleeve 1, a first groove 43 is arranged on the outer clutch shifting block 4, and the first boss 16 is arranged in the first groove 43; the outer clutch shifting block 4 is provided with a clamping groove 42, a clutch pin hole 19 is formed in the side wall of the clutch outer sleeve 4, a clutch pin 3 capable of being clamped into the clamping groove 42 is arranged in the clutch pin hole 19, and the inner clutch shifting block 5 is connected with the clutch outer sleeve 1 to drive the clutch outer sleeve 1 to rotate. The inner clutch shifting block 5 is connected with the outer clutch shifting block 4 through a screw 6. The lock body further includes a lock housing 300, a deadbolt assembly 400, a main bolt assembly 500, a deadbolt pusher plate assembly 600, a driver plate assembly 700, and a drive mechanism 200.

The door has 4 states of left outward opening, left inward opening, right outward opening and right inward opening. The inner clutch shifting block 4 is driven to rotate by an indoor handle, and the outer clutch shifting block 5 is driven to rotate by an outdoor handle. The indoor handle can take out the lock tongue to lock through the rotation of the lifting handle, and the lock tongue can be retracted to unlock through the rotation of the pressing handle; the outdoor handle can take out the lock tongue to lock through lifting the handle rotation, and before not carrying out authentication success, it is all at idle running when pushing down handle rotation, can't withdraw the lock tongue and unblank.

Specifically, as shown in fig. 2, the clutch pin 3 is provided with a second step 31, the clutch outer sleeve 1 is provided with a first step 11, the clutch pin 3 is sleeved with the clutch pin spring 2 and is installed in the clutch outer sleeve 1, and the clutch pin 3 can be prevented from being ejected by tightening the thin wall 12 arranged on the clutch outer sleeve 1, namely, the thin wall 12 is in a circular truncated cone shape.

As shown in fig. 5, the inner clutch shift block 5 is provided with a second boss 51, the clutch outer 1 is symmetrically provided with second grooves 15 at both ends, and the second boss 51 is embedded into the second groove 15, so that the inner clutch shift block 5 can unconditionally drive the clutch outer 1 to rotate.

As shown in fig. 2 and 5, the outer clutch shifting block 4 is provided with a threaded hole 44 and a third step 45, the inner clutch shifting block 5 is provided with a via hole 52 and a fourth step 53, and the clutch outer sleeve 1 is also provided with a fifth step 18, so that the outer clutch shifting block 4 and the inner clutch shifting block 5 can be fixed in a manner of clamping the clutch outer sleeve 1. Therefore, the screw 6 can be detached to ensure that the outer clutch shifting block 4 and the inner clutch shifting block 5 are separated from and fixed with the clutch outer sleeve 1, and then the installation positions of the outer clutch shifting block 4 and the inner clutch shifting block 5 are changed, so that the inside and outside of the lock body can be reversed. After the directions of the inner clutch shifting block 5 and the outer clutch shifting block 4 are changed, simultaneously, the inner clutch shifting block 5 and the outer clutch shifting block 4 can still drive the clutch outer sleeve 1 to rotate because the second groove 15 and the first boss 16 designed on the clutch outer sleeve 1 are designed in a symmetrical mode.

As shown in fig. 3, 4 and 6, a first boss 16 and a clutch pin hole 19 are arranged at a central position on the clutch outer sleeve 1, a first groove 43 and two clamping grooves 42 which are vertically distributed are correspondingly arranged on the outer clutch shifting block 4, and the first boss 16 is completely embedded into the first groove 43, so that after the directions of the outer clutch shifting block 4 and the inner clutch shifting block 5 are changed, the relative positions of the outer clutch shifting block 4 and the clutch outer sleeve 1 are kept unchanged, namely, the boss 16 is completely embedded into the first groove 43, and the clutch pin hole 19 is also completely positioned in the groove 42.

When the outer clutch shifting block 4 rotates anticlockwise, the first boss 16 and the first groove 43 are in a contact state, and the outer clutch shifting block 4 can drive the clutch outer sleeve 1 to rotate unconditionally at this time, namely, the outdoor handle can take out the lock tongue to lock through the rotation of the lifting handle. However, when the outer clutch shifting block 4 rotates clockwise, because the first groove 43 is not in contact with the first boss 16, there is a certain clearance distance, so that the outer clutch shifting block 4 cannot drive the clutch outer sleeve 1 to rotate when rotating, that is, the push-down handle rotates in an idle state. When separation and reunion round pin 3 is receiving actuating mechanism 200's promotion, can compress separation and reunion round pin spring 2 and make separation and reunion round pin 3 stretch into in the draw-in groove 42 of outer separation and reunion shifting block 4 for outer separation and reunion shifting block 4 can drive separation and reunion overcoat 1 when clockwise turning and rotate, and the outdoor user verifies successfully promptly, pushes down the handle rotation and can withdraws the spring bolt and unblank. When the drive mechanism 200 is rotated and the clutch pin 3 is no longer pressed, the clutch pin 3 is released from the engaging groove 42 by the spring force of the clutch pin spring 2.

As shown in fig. 7, the lock case 300 is composed of an inner case and an outer case, each of which is provided with 3 first protrusions 3001 distributed in an annular array uniformly along the center of a circular hole. Both ends of the clutch outer sleeve 1 are provided with circular rings 17, and the circular rings 17 are in contact with the first protrusions 3001. During installation, the clutch housing 1 is restricted from rotating in the middle of the lock case 300. Thus, when the outer clutch-shifting block 4 and the inner clutch-shifting block 5 are removed, the clutch outer 1 can be kept in the middle of the lock case 300 and can not be moved. In addition, the third groove 3002 is formed on the lock case 300, and when the third groove 3002 is matched with the outer clutch shifting block 4, the rotation angle of the outer clutch shifting block 4 can be limited, so that the first groove 43 of the outer clutch shifting sleeve 4 and the first boss 16 of the clutch outer sleeve 1 cannot exceed the clearance distance to be contacted when rotating.

As shown in fig. 8 to 10, the clutch further comprises a latch bolt toggle plate 8, an arc-shaped slot 82 is formed in the latch bolt toggle plate 8, a third boss 20 is arranged on the clutch outer sleeve 1, the third boss 20 is located in the annular slot 82, and the latch bolt toggle plate 8 is movably connected with the latch bolt assembly 400. Specifically, the latch bolt toggle plate 8 is provided with an extending end 81 and an arc-shaped slot 82, the clutch outer sleeve 1 is provided with a third boss 20, only one side of the third boss 20 is in contact with the arc-shaped slot 82, and the other side of the third boss is provided with a larger clearance, so that the clutch outer sleeve 1 can drive the latch bolt toggle plate to rotate only when the handle is pressed downwards to rotate, and the latch bolt toggle plate is not driven to rotate in the other rotating direction (the rotating direction of the handle is lifted upwards). The extending end 81 of the latch bolt poking plate 8 is in contact with the latch bolt moving plate 4001 arranged on the latch bolt assembly 400, so that the latch bolt poking plate 8 can drive the latch bolt moving plate when rotating, and further drive the whole latch bolt assembly to move.

As shown in fig. 11 to 17, the lock body further includes a main bolt assembly 500 and a transmission plate assembly 700, the main bolt assembly 500 is provided with a first linear groove 5003, the lock case 300 is provided with a cylinder 3003, the cylinder 3003 is disposed in the first linear groove 5003, the transmission plate assembly 700 is rotatably connected to the cylinder 3003, one end of the transmission plate assembly 700 is provided with a circular platform 7003, the circular platform 7003 is disposed in a chute 5002 of the main bolt assembly 500, the other end of the transmission plate assembly 700 is connected to the lock case 300 through a torsion spring, and the transmission plate assembly 700 is provided with a first transmission tooth 7001; the clutch outer sleeve 1 is connected with a main bolt toggle plate 7, the main bolt toggle plate 7 is provided with a second transmission tooth 72, and the first transmission tooth 7001 is meshed with the second transmission tooth 72. Specifically, the main bolt toggle plate 7 is provided with an extending end 71, and two sides of the extending end 71 are respectively contacted with a fourth boss 13 and a fifth boss 14 arranged on the clutch housing 1. Main bolt deadbolt activation plate 7 will make contact with either fourth boss 13 or fifth boss 14 depending on whether main bolt assembly 500 is in an extended or retracted state. The rotation of the clutch housing 1 can drive the main bolt toggle plate 7 to rotate.

After the round platform 7003 is matched with the chute 5002, the rotation of the driving plate assembly 700 can drive the main bolt assembly 500 to extend out or retract into the lock case 300; after the first transmission tooth 7001 arranged on the transmission plate assembly 700 is meshed with the second transmission tooth 72 arranged on the main bolt dialing plate 7, the rotation of the main bolt dialing plate 7 can drive the transmission plate assembly 700 to rotate, and after the whole assembly is assembled, the lifting or pressing down of the handle can drive the main bolt assembly 500 to extend out of the lock shell to be locked or to be retracted into the lock shell to be unlocked.

As shown in fig. 11-13, the main bolt assembly 500 is provided with symmetrically distributed protruding columns 5001, the latch bolt pushing plate assembly 600 is provided with second strip-shaped grooves 6003, the protruding columns 5001 are disposed in the second strip-shaped grooves 6003, the main bolt assembly 500 is provided with first connecting columns 5004, the latch bolt pushing plate assembly 600 is provided with second connecting columns 6001, and the first connecting columns 5004 are connected with the second connecting columns 6001 through tension springs 5006. So that the tension spring 5006 can couple the main latch bolt assembly 500 and the latch bolt pushing plate assembly 600 to play a role of pulling back the latch bolt pushing plate assembly 600 to be reset. The latch bolt pushing plate assembly 600 is provided with a second protrusion 6004 which can be poked by a lock cylinder with a key, and the latch bolt pushing plate assembly 600 is provided with a third protrusion 6002 which can push a fourth protrusion 83 arranged on the latch bolt poking plate 8, so that the function of rotating the key to withdraw the latch bolt assembly is realized.

As shown in fig. 18 to 22, the clutch mechanism further includes a driving mechanism 200, and the driving mechanism 200 controls the clutch pin 3 to be clamped into the clamping groove 42. The driving mechanism 200 comprises a mounting shell 2001, a transmission spring 2005 and a push plate 2006, wherein the push plate 2006 is arranged in a mounting groove 20011 of the mounting shell 2001, and the push plate 2006 can only move back and forth but cannot rotate. The push plate 2006 is provided with an accommodating cavity 20062, and the push plate 2006 is also provided with a third strip-shaped groove 20061 communicated with the accommodating cavity 20062; the motor 2002 is arranged in the mounting shell 2001, the motor 2002 is connected with the output shaft 2004 through the reduction gear set 2003, the output shaft 2004 is provided with a protruding portion 20041, the transmission spring 2005 is sleeved on the output shaft 2004, the transmission spring 2005 is located in the accommodating cavity 20062, the protruding portion 20041 is located in a pitch gap of the transmission spring 2005, two ends of the transmission spring 2005 are provided with protruding sections 20051, and the protruding sections 20051 are mounted in the third strip-shaped groove 20061. Therefore, the motor 2002 drives the output shaft 2004 to rotate when rotating, the round platform 20041 on the output shaft 2004 drives the transmission spring 2005 to move back and forth, and the extending end 20051 on the transmission spring 2005 drives the push plate 2006 to move back and forth.

As shown in fig. 1, when the clutch pin 3 provided in the clutch housing 1 is pushed by the push plate 2006, the clutch pin spring 2 is compressed to push the clutch pin 3 into the slot 42 of the outer clutch shift block 4, so that the outer clutch shift block 4 can drive the clutch housing 1 to rotate when rotating clockwise, i.e. the outdoor user verification is successful, and the handle is pressed to rotate to withdraw the lock tongue to unlock. When the motor 2002 rotates such that the push plate 2006 no longer presses the clutch pin 3, the clutch pin 3 leaves the groove 42 under the elastic force of the clutch pin spring 2. At this time, the outdoor push-down handle rotates in an idle state, and the main latch bolt assembly 500 and the latch bolt assembly 400 cannot be retracted.

The present invention is not limited to the above-mentioned optional embodiments, and any other products in various forms can be obtained by anyone under the teaching of the present invention, and any changes in the shape or structure thereof, all the technical solutions falling within the scope of the present invention, are within the protection scope of the present invention.

Claims (8)

1. The utility model provides a lock body, includes separation and reunion overcoat (1), outer separation and reunion shifting block (4), interior separation and reunion shifting block (5), lock shell (300), oblique tongue subassembly (400), main spring bolt subassembly (500), oblique tongue pushing plate subassembly (600), drive plate subassembly (700) and actuating mechanism (200), its characterized in that: first bosses (16) are symmetrically arranged at two ends of the clutch outer sleeve (1), a first groove (43) is formed in the outer clutch shifting block (4), and the first bosses (16) are arranged in the first groove (43); the outer clutch shifting block (4) is provided with a clamping groove (42), the side wall of the clutch outer sleeve (1) is provided with a clutch pin hole (19), a clutch pin (3) capable of being clamped into the clamping groove (42) is arranged in the clutch pin hole (19), second grooves (15) are symmetrically arranged at two ends of the clutch outer sleeve (1), the inner clutch shifting block (5) is provided with a second boss (51) matched with the second grooves (15), and the driving mechanism (200) is used for controlling the clutch pin (3) to be clamped into the clamping groove (42).

2. A lock body according to claim 1, characterized in that: the clutch outer sleeve (1) can be clamped by the outer clutch shifting block (4) and the inner clutch shifting block (5) through the screws (6), the threaded holes (44) are formed in the outer clutch shifting block (4), the through holes (52) are formed in the inner clutch shifting block (5), and the inner clutch shifting block (5) penetrates through the through holes (52) through the screws (6) to be installed in the threaded holes (44).

3. A lock body according to claim 1, characterized in that: the driving mechanism (200) comprises an installation shell (2001), a transmission spring (2005) and a push plate (2006), wherein the push plate (2006) is arranged in an installation groove (20011) of the installation shell (2001), the push plate (2006) is provided with an accommodating cavity (20062), and the push plate (2006) is further provided with a third strip-shaped groove (20061) communicated with the accommodating cavity (20062); the motor (2002) is arranged in the mounting shell (2001), the motor (2002) is connected with an output shaft (2004) through a reduction gear set (2003), the output shaft (2004) is provided with a convex portion (20041), a transmission spring (2005) is sleeved on the output shaft (2004), the transmission spring (2005) is located in the accommodating cavity (20062), the convex portion (20041) is located in a pitch gap of the transmission spring (2005), two ends of the transmission spring (2005) are provided with extending sections (20051), and the extending sections (20051) are mounted in the third strip-shaped groove (20061).

4. A lock body according to claim 1, characterized in that: lock shell (300) comprises interior casing and shell body, and interior casing and shell body all are provided with first arch (3001) that are the annular array and distribute, and separation and reunion overcoat (1) both ends all are equipped with ring (17), and ring (17) contact with first arch (3001).

5. A lock body according to claim 1, characterized in that: the clutch outer sleeve is characterized by further comprising an inclined tongue poking plate (8), an arc-shaped groove (82) is formed in the inclined tongue poking plate (8), a third boss (20) is arranged on the clutch outer sleeve (1), the third boss (20) is located in the arc-shaped groove (82), and the inclined tongue poking plate (8) is movably connected with the inclined tongue assembly (400).

6. A lock body according to claim 1, characterized in that: the lock is characterized in that a first strip-shaped groove (5003) is formed in the main bolt assembly (500), a cylinder (3003) is arranged on the lock shell (300), the cylinder (3003) is arranged in the first strip-shaped groove (5003), the transmission plate assembly (700) is rotatably connected with the cylinder (3003), a round table (7003) is arranged at one end of the transmission plate assembly (700), the round table (7003) is arranged in a sliding groove (5002) in the main bolt assembly (500), the other end of the transmission plate assembly (700) is connected with the lock shell (300) through a torsion spring, and a first transmission tooth (7001) is arranged on the transmission plate assembly (700); the clutch outer sleeve (1) is connected with a main bolt toggle plate (7), the main bolt toggle plate (7) is provided with a second transmission tooth (72), and the first transmission tooth (7001) is meshed with the second transmission tooth (72).

7. A lock body according to claim 6, characterized in that: main spring bolt subassembly (500) on be provided with symmetric distribution's projection (5001), oblique tongue promotes to be provided with second bar groove (6003) on the board subassembly (600), projection (5001) sets up in second bar groove (6003), and main spring bolt subassembly (500) is provided with first spliced pole (5004), oblique tongue promotes board subassembly (600) and is provided with second spliced pole (6001), first spliced pole (5004) are connected with second spliced pole (6001) through extension spring (5006).

8. A lock body according to claim 1, characterized in that: the clutch pin hole (19) inner wall be provided with first step (11), be provided with separation and reunion round pin spring (2) on first step (11), wear to be equipped with separation and reunion round pin (3) in separation and reunion round pin spring (2), and separation and reunion round pin (3) are equipped with second step (31), the upper end and the second step (31) of separation and reunion round pin spring (2) contact.

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