CN113250530A

CN113250530A - Multifunctional idling lock cylinder structure

Info

Publication number: CN113250530A
Application number: CN202110519883.7A
Authority: CN
Inventors: 胡世忠
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-05-13
Filing date: 2021-05-13
Publication date: 2021-08-13
Anticipated expiration: 2041-05-13
Also published as: CN113250530B

Abstract

The invention relates to a multifunctional idle rotation lock cylinder, and belongs to the technical field of anti-theft locks. The lock core comprises a lock core shell, an outer lock core, an inner lock core and an unlocking thumb wheel, wherein the outer lock core is movably sleeved in an assembly hole at one end of the lock core shell, the inner lock core is sleeved in the outer lock core, a locking mechanism is arranged between the outer lock core and the inner lock core, and a mechanical clutch mechanism is arranged between the outer lock core and the unlocking thumb wheel as well as between the inner lock core and the unlocking thumb wheel. The outer lock liner and the inner lock liner are connected with the unlocking thumb wheel through a mechanical clutch mechanism. The multifunctional idling lock cylinder has the advantages of being simple in structure and good in practicability, the problems that the existing lock cylinder is poor in violence-preventing opening capacity and single in function are solved, safety and convenience are greatly improved, and application value is increased.

Description

Multifunctional idling lock cylinder structure

Technical Field

The invention relates to a mechanical lock cylinder structure, in particular to a multifunctional idle rotation lock cylinder structure, and belongs to the technical field of anti-theft locks.

Background

The existing lock core, whether the single-head lock core used by an externally-mounted door lock and a padlock or the double-head lock core used by a mortise door lock, is circular or calabash-shaped in cross section of a lock core shell, mostly has a double-layer structure that a lock core shell is sleeved with a lock liner, the lock core shell and the lock liner are circumferentially locked through a marble, a blade or a marble and blade composite structure, and a matched key is inserted to remove circumferential locking, so that the lock liner can rotate in the lock core shell, and meanwhile, a related mechanism is driven to complete unlocking. Such a lock cylinder is simple and reliable in structure, but has poor anti-violence opening capability and single function, so that improvement is needed.

Disclosure of Invention

The invention aims to provide a multifunctional idling lock cylinder structure which is simple in structure and can prevent violent opening.

The technical scheme of the invention is as follows:

the utility model provides a multi-functional idle running lock core, includes the lock core shell, unblanks the thumb wheel, its characterized in that: an outer lock cylinder is movably sleeved in an assembly hole at one end of the lock cylinder shell, an inner lock cylinder is sleeved in the outer lock cylinder, a locking mechanism is arranged between the outer lock cylinder and the inner lock cylinder, the outer lock cylinder and the inner lock cylinder are connected through the locking mechanism, a mechanical clutch mechanism is arranged between the outer lock cylinder and the inner lock cylinder and an unlocking thumb wheel, and the outer lock cylinder and the inner lock cylinder are connected with the unlocking thumb wheel through the mechanical clutch mechanism.

The unlocking dial wheel is a hollow cylinder, an inner flange is arranged in the middle of the unlocking dial wheel, and steel ball clamping grooves are uniformly distributed on the end face of one end of the inner flange in a circumferential manner; the bottom of the unlocking shifting wheel is provided with a convex shifting block.

The unlocking shifting wheel is a hollow cylinder, an inner flange is arranged in the middle of the unlocking shifting wheel, clutch rod clamping grooves are symmetrically arranged on the circumference of the end face on one side of the inner flange, and a convex shifting block is arranged at the bottom of the unlocking shifting wheel.

The outer lock core is a reducing tubular body, a steel ball hole is radially arranged at the small-diameter end of the outer lock core, and a clutch steel ball is arranged in the steel ball hole; the outer lock container on one side of the steel ball hole is provided with a limiting ring groove, the large-diameter end of the outer lock container on one side of the limiting ring groove is radially provided with a limiting sliding groove, and blade holes are symmetrically arranged on one side of the limiting sliding groove. An outer flange is arranged at one end of the outer lock liner.

The outer lock liner is a tubular body, and an outer flange is arranged at one end of the outer lock liner; the blade holes are symmetrically arranged on the circumference of the outer lock liner on the inner side of the outer flange, the positioning pin sliding holes are axially arranged on the circumference of the other end of the outer lock liner, an outer lock liner annular groove is arranged on the circumference of the outer lock liner between the blade holes and the positioning pin sliding holes, and a C-shaped clamp spring A is arranged in the outer lock liner annular groove.

The inner lock container is a variable diameter body, one end head of the inner lock container is provided with a flat steel ball shifting block, the flat surface of the steel ball shifting block is arc-shaped, a plurality of blade assembly holes are arranged on the circumferential surface of the inner lock container in parallel, blades are arranged in the blade assembly holes through blade springs, circumferential locking is formed between the outer lock container and the inner lock container through the blades and the blade springs, a limiting assembly nail is arranged on the inner lock container on one side below the blade assembly holes, circumferential limiting is formed between the outer lock container and the inner lock container through the matching of a limiting sliding groove and the limiting assembly nail, and the other end head of the inner lock container is provided with a key hole.

The inner lock liner is a cylinder, and one end of the inner lock liner is provided with a key hole; a plurality of blade assembly holes are formed in the circumference of the inner lock liner corresponding to the key hole, and blades are arranged in the blade assembly holes through blade springs; an inner lock liner ring groove is formed in the circumference of the end head of the other end of the inner lock liner, and a C-shaped clamp spring B is installed in the inner lock liner ring groove.

The inner lock container that the inner lock container annular correspond on the axial be provided with the installation counter bore, be the heliciform with the inner lock container circumference that the installation counter bore corresponds and be provided with the locating pin spiral hole, the locating pin spiral hole communicates with the installation counter bore.

The locking mechanism is composed of a blade spring, a blade arranged in the blade assembly hole of the inner lock cylinder and a blade hole arranged on the outer lock cylinder, and the outer lock cylinder and the inner lock cylinder are movably clamped through the matching of the blade and the blade hole.

The mechanical clutch mechanism consists of a clutch steel ball, a steel ball hole arranged on the outer lock container and a steel ball shifting block arranged on the inner lock container, the outer lock container is connected with the unlocking shifting wheel in an embedded mode through the clutch steel ball, and the steel ball shifting block is connected with the clutch steel ball in a contact mode.

The mechanical clutch mechanism comprises a clutch lever, a positioning pin spiral hole, a positioning pin sliding hole and a clutch lever clamping groove, the clutch lever is a variable-diameter cylinder, a positioning pin is installed on the circumference of the small-diameter end of the clutch lever in a threaded mode, the clutch lever is movably connected with the inner lock liner and the outer lock liner through the matching of the positioning pin, the positioning pin spiral hole and the positioning pin sliding hole, clamping blocks are symmetrically arranged on the circumference of the large-diameter end of the clutch lever, a clutch lever clamping groove is symmetrically formed in one side of each clamping block, and the clutch lever is movably connected with the unlocking shifting wheel in an embedded mode through the clamping blocks and the clutch lever clamping groove.

The invention has the beneficial effects that:

the mechanical lock cylinder has the advantages of simple structure, good practicability and strong violence-resistant opening capability, because the outer lock cylinder is always in an idling state, after the explosion tool is inserted into the key hole of the inner lock cylinder, the outer lock cylinder cannot be opened due to the fact that no place is stressed due to the idling characteristic of the outer lock cylinder, a mechanical key can be inserted into the inner lock cylinder to unlock the inner lock cylinder and control the mechanical clutch mechanism after the locking between the inner lock cylinder and the outer lock cylinder is released, and a plurality of applications can be derived by utilizing the idling characteristic of the outer lock cylinder, for example, the mechanical and electrical control dual-purpose lock cylinder is combined by combining the electrical control clutch mechanism, so that the keyless unlocking at the key end can be realized; greatly improves the safety and the convenience and increases the application value.

Drawings

FIG. 1 is an exploded view of example 1 of the present invention;

fig. 2 is a schematic sectional view of the unlocking thumb wheel of embodiment 1 of the present invention;

FIG. 3 is a schematic diagram of the right side view of FIG. 2;

FIG. 4 is a schematic structural view of an outer lock cylinder in embodiment 1 of the present invention;

FIG. 5 is a schematic structural view of an inner lock cylinder in embodiment 1 of the present invention;

FIG. 6 is an exploded view of example 2 of the present invention;

fig. 7 is a schematic sectional view of an unlocking dial in embodiment 2 of the present invention;

FIG. 8 is a schematic diagram of the right side view of FIG. 7;

FIG. 9 is a schematic structural view of an outer lock cylinder in accordance with embodiment 2 of the present invention;

figure 10 is a schematic structural view of an inner lock cylinder of embodiment 2 of the invention,

fig. 11 is a schematic structural view of a clutch lever according to embodiment 2 of the present invention.

In the figure: 1. the lock cylinder comprises a lock cylinder shell, 2, an outer lock cylinder, 3, an inner lock cylinder, 4, an unlocking thumb wheel, 5, an inner flange, 6, a thumb block, 7, a steel ball clamping groove, 8, a steel ball hole, 9, a clutch steel ball, 10, a key, 11, a limiting ring groove, 12, a limiting sliding groove, 13, a blade hole, 14, an outer flange, 15, a steel ball thumb block, 16, a blade assembling hole, 17, a blade spring, 18, a blade, 19, a limiting assembling nail, 20, a key hole, 21, a C-shaped through groove, 22, a clutch rod clamping groove, 23, a positioning pin sliding hole, 24, an outer lock cylinder ring groove, 25, a C-shaped clamp spring A, 26, an inner lock cylinder ring groove, 27, a C-shaped clamp spring B, 28, a positioning pin spiral hole, 29, a clutch rod, 30, a positioning pin, 31 and a clamping block. 32, a knob, 33, C-shaped clamp springs D and 34, C-shaped through grooves A and 35, knob limiting ring grooves, 36, C-shaped clamp springs E and 37 and C-shaped through grooves B.

Detailed Description

Example 1

This multi-functional idle running lock core includes lock core shell 1, outer lock courage 2, inner lock courage 3 and the thumb wheel 4 of unblanking, and the pilot hole position activity of lock core shell 1 is provided with the thumb wheel 4 of unblanking (being equal to the gear), and the thumb wheel 4 of unblanking is the siphonozooid, and the bottom of the thumb wheel 4 of unblanking is provided with protruding form shifting block 6, and the middle part of the thumb wheel 4 of unblanking is provided with inner flange 5, and it has steel ball draw-in groove 7 to be the circumference form equipartition on the thumb wheel 4 inner wall of unblanking of inner flange 5 one end.

An outer lock cylinder 2 and an inner lock cylinder 3 are sequentially sleeved in an assembly hole of a lock cylinder shell 1 at one end of an unlocking thumb wheel 4, the outer lock cylinder 2 is a reducing tubular body, during assembly, the outer lock cylinder 2 is inserted into the unlocking thumb wheel 4 from the assembly hole at one end of the lock cylinder shell 1 and extends into the unlocking thumb wheel 4, a steel ball hole 8 is radially arranged at the small-diameter end of the outer lock cylinder 2, and a clutch steel ball 9 is arranged in the steel ball hole 8; a limiting ring groove 11 is arranged on the large-diameter end of the outer lock liner 2 at the other side of the steel ball hole 8, a C-shaped snap spring D33 is movably arranged in the limiting ring groove, and a C-shaped through groove A34 is arranged on the lock cylinder shell 1 corresponding to the limiting ring groove 11; during the assembly of outer lock courage 2, through the assembly of C type jump ring D33 in spacing annular groove 11 and the logical groove A21 of C type, realize that outer lock courage 2 can not the mesh of axial displacement of circumferential direction (because the jump ring is protruding form on outer lock courage 2, cooperate the logical groove of location C type from this and realize the axial positioning of outer lock courage 2 in the mounting hole). The big footpath of outer lock courage 2 on one side of spacing annular 11 is served and radially is provided with spacing spout 12, and spacing spout 12 one side symmetry is provided with blade hole 13. An outer flange 14 is arranged at one end of the outer lock core 2. A knob 32 (a blanking cover) is movably mounted in an assembly hole at the other end of the unlocking dial wheel 4, a knob limiting ring groove 35 is formed in the knob 32, a C-shaped snap spring E36 is movably mounted in the knob limiting ring groove 35, and a C-shaped through groove B37 is formed in the lock cylinder shell 1 corresponding to the knob limiting ring groove 35; when the knob 32 is assembled, the knob 32 is positioned on the lock cylinder shell 1 through the installation of the C-shaped snap spring E36 in the knob limiting ring groove 35 and the C-shaped through groove B37.

Be provided with a plurality of blade assembly holes 15 on the periphery of inner lock courage 3 side by side, be equipped with the blade 17 of different grade differences through blade spring 16 in the blade assembly hole 15, form the circumference locking through blade 17 and blade spring 16 between outer lock courage 2 and the inner lock courage 3, the interference is provided with spacing assembly nail 26 on the inner lock courage 3 of blade assembly hole 15 below one side, it is spacing to form circumference through the cooperation of spacing spout 12 and spacing assembly nail 19 between outer lock courage 2 and the inner lock courage 3, in order to inject the turned angle of inner lock courage 3. The other end of the inner lock container 3 is provided with a key hole 14.

The inner lock container 3 is a reducer, one end of the inner lock container 3 is provided with a flat steel ball shifting block 15, the flat surface of the steel ball shifting block 15 is arc-shaped, after assembly is completed, the steel ball shifting block 15 of the inner lock container 3 is in contact connection with the clutch steel ball 9 in the steel ball hole 8, in a non-working state, the flat surface of the steel ball shifting block 15 plays a supporting role for the clutch steel ball 9 to prevent the clutch steel ball 9 from leaking out of the steel ball hole 8, the circumferential surface of the inner lock container 3 is provided with a plurality of blade assembly holes 16 in parallel, blades 18 are arranged in the blade assembly holes 16 through blade springs 17, the outer lock container 2 and the inner lock container 3 form circumferential locking through the blades 18 and the blade springs 17, the inner lock container 3 on one side below the blade assembly holes 16 is provided with limit assembly nails 19, circumferential limit is formed between the outer lock container 2 and the inner lock container 3 through the matching of the limit sliding grooves 12 and the limit assembly nails 19, the other end of the inner lock container 3 is provided with a key hole 20.

The multifunctional idle lock core is a locking mechanism consisting of a blade spring 17, a blade 18 and a blade hole 16; under the action of a blade spring 17, the end of the blade 18 is inserted into a blade hole 13 of the outer lock liner 2 to realize the circumferential locking of the outer lock liner 2 and the inner lock liner 3, the assembly structure of the outer lock liner 2 and the inner lock liner 3 is the same as the assembly relation of the existing blade lock core, under the condition that a key is not inserted, the blade 18 circumferentially locks the outer lock liner 2 and the inner lock liner 3 into a whole under the action of the blade spring 17, the outer lock liner 2 and the inner lock liner 3 synchronously idle in an assembly hole of the lock core shell 1, after the key is inserted into a key hole 20 of the inner lock liner 3, the blade 18 retracts into the inner lock liner 3, the circumferential locking state of the outer lock liner 2 and the inner lock liner 3 is released, the inner lock liner 3 can rotate in the outer lock liner 2, when the inner lock liner 3 and the outer lock liner 2 relatively rotate by 90 degrees, a steel ball shifting block 15 arranged at the end of the inner lock liner 3 can eject and support a steel ball 9, and half of the steel ball 9 enters an unlocking steel ball slot 7, at the moment, the outer lock cylinder 2 is in a mechanical embedded connection state with the unlocking thumb wheel 4 through the clutch steel ball 9, and the outer lock cylinder 2 is rotated, so that the unlocking thumb wheel 4 can be driven to rotate to realize unlocking and locking.

The multifunctional idle lock core is suitable for a lock core for a core insertion type lock body and a lock core for an external door lock, the outer lock liner 2 can freely rotate in the lock core shell 1, and the inner lock liner 3 cannot rotate in the outer lock liner 2 under the state that a key is not inserted. After the circumference between outer lock courage 2 and the inner lock courage 3 is locked through inserting the key release in the use, control mechanical clutching mechanism and realize mechanical unblanking, specifically do:

the multifunctional idle lock cylinder comprises a mechanical clutch mechanism consisting of a steel ball hole 8 arranged on an outer lock cylinder 2, a clutch steel ball 9 arranged in the steel ball hole 8 and a steel ball shifting block 15 arranged on an inner lock cylinder 3, wherein the outer lock cylinder 2 is connected with an unlocking shifting wheel 4 in an embedded mode through the clutch steel ball 9, and the steel ball shifting block 15 is connected with the clutch steel ball 9 in a contact mode. When the mechanical unlocking is carried out, a key is inserted into the key hole 20, the key presses the blade 18 to enable the blade 18 to retract into the inner lock cylinder 3, the circumferential locking between the inner lock cylinder 3 and the outer lock cylinder 2 is released, the key is rotated, the inner lock cylinder 3 is driven to rotate in the outer lock cylinder 2, when the inner lock cylinder 3 and the outer lock cylinder 2 rotate 90 degrees relatively, the steel ball shifting block 15 arranged at the end of the inner lock cylinder 3 can eject and support the clutch steel ball 9, half of the clutch steel ball 9 enters the steel ball clamping groove 7 of the unlocking thumb wheel 4, the outer lock cylinder 2 and the unlocking thumb wheel 4 form a connecting body through the clutch steel ball 9, the outer lock cylinder 2 is rotated to drive the unlocking thumb wheel 4 to rotate, the poking block 6 of the unlocking thumb wheel 4 can poke the lock tongue in the lock body, the extending out lock tongue retracts to realize the mechanical unlocking, after the unlocking is completed, the key is rotated reversely and withdraws from the key hole 20, the inner lock container 3 and the outer lock container 2 are locked again, the clutch steel ball 9 falls back to the steel ball hole 8, the previously formed connector is separated, and the idle running initial state of the outer lock container is recovered. Under the initial condition, because the effect of gravity, separation and reunion steel ball 9 also can get into the steel ball draw-in groove 7 of thumb wheel 4 of unblanking, but because do not have the top of steel ball shifting block 15 to hold in the palm, when outer lock courage 2 is rotatory, separation and reunion steel ball 9 can retract in steel ball hole 9 under the extrusion of the arc surface of steel ball draw-in groove 7, can not link together outer lock courage 2 and the thumb wheel 4 of unblanking.

The multifunctional idle lock core is combined with an electric control clutch mechanism of the existing electronic lock, so that mechanical key unlocking and electric control non-mechanical key unlocking of a lock can be realized, and when the mechanical and electric control dual-purpose lock core is formed by combining the electric control clutch mechanism of the existing electronic lock, the electric control clutch mechanism is only required to replace a knob 32 to be installed at the other end of the lock core shell 1. The electric control clutch mechanism is connected with the outer lock liner, so that the characteristic of idle running of the outer lock liner can be utilized to realize keyless unlocking.

The multifunctional idling lock cylinder has the advantages of being simple in structure and good in practicability, greatly increasing the violence-preventing opening capacity of the lock cylinder, greatly improving safety and increasing application value.

Example 2

The multifunctional idle lock core comprises a lock core shell 1, an outer lock core 2, an inner lock core 3 and an unlocking thumb wheel 4, wherein the unlocking thumb wheel 4 (which is equal to a gear) is movably arranged at the assembly hole part of the lock core shell 1, and a positioning C-shaped through groove 21 is arranged on the lock core shell 1 at one side of the unlocking thumb wheel 4; the unlocking thumb wheel 4 is a hollow cylinder, an inner flange 5 is arranged in the middle of the unlocking thumb wheel 4, clutch lever clamping grooves 22 are symmetrically arranged on the circumference of the end face of the other side of the inner flange 5, and a convex thumb block 6 is arranged at the bottom of the unlocking thumb wheel 4.

An outer lock cylinder 2 and an inner lock cylinder 3 are sequentially sleeved in an assembly hole of a lock cylinder shell 1 at one end of an unlocking dial wheel 4, the outer lock cylinder 2 is a tubular body, and an outer flange 14 is arranged at one end head of the outer lock cylinder 2; the circumference of the outer lock liner 2 at the inner side of the outer flange 9 is symmetrically provided with blade holes 13, the circumference of the other end of the outer lock liner 2 is axially provided with a positioning pin sliding hole 23, the circumference of the outer lock liner 2 between the blade holes 13 and the positioning pin sliding hole 23 is provided with an outer lock liner ring groove 24, and a C-shaped snap spring A25 is installed in the outer lock liner ring groove 24.

The inner lock container 3 is a cylinder, and one end of the inner lock container 3 is provided with a key hole 20; a plurality of blade assembly holes 16 are formed in the circumference of the inner lock cylinder 3 corresponding to the key hole 20, and blades 18 are arranged in the blade assembly holes 16 through blade springs 17; an inner lock liner ring groove 26 is formed in the circumference of the end head of the other end of the inner lock liner 3, a C-shaped clamp spring B27 is installed in the inner lock liner ring groove 26, an installation counter bore (not shown) is axially formed in the inner lock liner 3 corresponding to the inner lock liner ring groove 16, a positioning pin spiral hole 28 is spirally formed in the circumference of the inner lock liner 3 corresponding to the installation counter bore, and the positioning pin spiral hole 28 is communicated with the installation counter bore. The inner lock cylinder 3 and the outer lock cylinder 2 are connected with the unlocking thumb wheel 4 through a mechanical clutch mechanism. The mechanical clutch mechanism is composed of a clutch lever 29, a positioning pin spiral hole 28, a positioning pin sliding hole 23 and a clutch lever clamping groove 22, the clutch lever 29 is a variable-diameter cylinder, a positioning pin 30 is installed on the circumference of the small-diameter end of the clutch lever 29 in a threaded mode, the clutch lever 29 is movably connected with the inner lock container 3 and the outer lock container 2 through the matching of the positioning pin 30, the positioning pin spiral hole 28 and the positioning pin sliding hole 23, clamping blocks 31 are symmetrically arranged on the circumference of the large-diameter end of the clutch lever 29, and the clutch lever 29 is movably connected with the unlocking thumb wheel 4 in an embedded mode through the matching of the clamping blocks 31 and the clutch lever clamping groove 22; a knob 32 is movably mounted in the mounting hole of the cylinder case 1 at the other end of the unlocking dial 4 (the mounting relationship is the same as that of embodiment 1).

The multifunctional idle lock core is a locking mechanism consisting of a blade spring 17, a blade 18 and a blade hole 16; the mechanical clutch mechanism is composed of a clutch lever 29, a positioning pin spiral hole 28, a positioning pin slide hole 23 and a clutch lever clamping groove 22, an outer lock liner 2 and an inner lock liner 3, and the clutch lever 29, firstly, the outer lock core 2 and the inner lock core 3 are assembled through the blade spring 17 and the blade 18 between the outer lock core 2 and the inner lock core 3 (the principle is consistent with the assembly principle of the existing lock shell and the lock core), then the small diameter end of the clutch lever 29 is inserted into the mounting counter bore of the inner lock core 3, the positioning pin 30 passes through the positioning pin slide hole 23 and the positioning pin spiral hole 28 and is in threaded connection with the assembling hole of the clutch lever 29, meanwhile, the C-shaped clamp spring B27 is installed in the inner lock cylinder ring groove 26, the outer lock cylinder 2, the inner lock cylinder 3 and the clutch lever 29 are assembled by matching with the positioning pin 30, and the upper end face of the positioning pin 30 is flush with the top of the positioning pin sliding hole 23, so that the outer lock cylinder 2 can smoothly rotate in the assembling hole of the lock cylinder shell 1 during operation.

After the assembly is finished, the whole lock core shell is arranged in an assembly hole of the lock core shell 1, and meanwhile, the C-shaped clamp spring A25 is pressed in the outer lock core ring groove 24 through the positioning C-shaped through groove 21; because C type jump ring A25 is protruding form on outer lock courage 2, cooperation location C type logical groove 21 realizes the axial positioning of outer lock courage 2 in the mounting hole from this, makes outer lock courage 2 can only the circumferential direction rotate in the mounting hole, can not axial displacement. The outer lock core 2 can rotate freely in the lock core shell 1, and the inner lock core 3 can not rotate in the outer lock core 2 under the state that the key 10 is not inserted. After the circumferential locking between the outer lock liner 2 and the inner lock liner 3 is released by inserting the key 10, the mechanical clutch mechanism is controlled to realize mechanical unlocking, and the method specifically comprises the following steps:

the key 10 is inserted into the key hole 20, the key 10 presses the blade 18, the blade 18 retracts into the inner lock cylinder 3, the circumferential locking of the inner lock cylinder 3 and the outer lock cylinder 2 is released, the key 10 is rotated, the inner lock cylinder 3 is driven to rotate in the outer lock cylinder 2, when the inner lock cylinder 3 and the outer lock cylinder 2 rotate relatively, the clutch rod 29 is pushed to axially extend through the positioning pin 30 under the action of the positioning pin spiral hole 28, in the process, the positioning pin 30 axially slides in the positioning pin sliding hole 23, and in the axial extending process of the clutch rod 29, the fixture block 31 enters the clutch rod clamping groove 22 to form a state of being movably embedded and connected with the unlocking thumb wheel 4; therefore, the clutch lever 29 and the unlocking thumb wheel 4 form a connector, the outer lock cylinder 2 is rotated in the circumferential direction at the moment, the positioning pin 30 is driven through the positioning pin sliding hole 23, the unlocking thumb wheel 4 is driven to rotate through the clamping block 31, the shifting block 6 of the unlocking thumb wheel 4 can shift the mechanism inside the lock body to control the lock bolt, the extended lock bolt retracts into the lock body to realize mechanical unlocking, after the unlocking is completed, the key 10 is rotated reversely, the key 10 is withdrawn from the key hole, the inner lock cylinder and the outer lock cylinder are locked again, the clutch lever 29 resets, and the idle initial state of the outer lock cylinder is recovered.

The multifunctional idle lock core is combined with an electric control clutch mechanism of the existing electronic lock, the purposes of key unlocking and keyless unlocking of a lock can be realized, and when the multifunctional idle lock core is combined with the electric control clutch mechanism of the existing electronic lock to form a dual-purpose lock core, the electric control clutch mechanism is only required to replace a knob 32 to be installed at the other end of a lock core shell 1 and then is connected with an outer lock core.

This multi-functional idle running lock core can become mechanical automatically controlled dual-purpose lock core with the cooperation of automatically controlled clutching mechanism, also because automatically controlled clutching mechanism can have multiple form, can become an organic whole with the fixed setting of automatically controlled clutching mechanism on the lock core shell, also can not fix on the lock core shell, only need can be through the mode of automatically controlled separation and reunion, with outer lock courage or inner lock courage and the thumb wheel of unblanking directly or indirectly join together can. The multifunctional idling lock cylinder has the advantages of being simple in structure, good in practicability, capable of greatly improving safety and increasing application value.

The above embodiments are only two embodiments in practical application. Because the mechanical clutch mechanisms are various, the locking mechanism between the outer lock container and the inner lock container is not limited to the structural form of blade and blade spring locking, the cross section of the lock cylinder shell 1 can be gourd-shaped or round or other special shapes, and the thumb wheel of the unlocking thumb wheel 4 can also be gears with different specifications, so the specific embodiment does not represent only the two embodiments of the invention.

Claims

1. The utility model provides a multi-functional idle running lock core, includes lock core shell (1), inner lock courage (3), the thumb wheel (4) of unblanking, its characterized in that: an outer lock cylinder (2) is movably sleeved in an assembly hole at one end of the lock cylinder shell (1), an inner lock cylinder (3) is sleeved in the outer lock cylinder (2), the outer lock cylinder (2) is connected with the inner lock cylinder (3) through a locking mechanism, and the outer lock cylinder (2), the inner lock cylinder (3) and the unlocking thumb wheel (4) are connected through a mechanical clutch mechanism.

2. The multifunctional idle lock cylinder of claim 1, characterized in that: the unlocking shifting wheel (4) is a hollow cylinder, an inner flange (5) is arranged in the middle of the unlocking shifting wheel (4), and steel ball clamping grooves (7) are uniformly distributed on the inner wall of one end of the unlocking shifting wheel (4) in a circumferential manner.

3. The multifunctional idle lock cylinder of claim 1, characterized in that: the outer lock core (2) is a reducing tubular body, a steel ball hole (8) is radially arranged at the small-diameter end of the outer lock core (2), and a clutch steel ball (9) is arranged in the steel ball hole (8); the large-diameter end of the outer lock liner (2) at the other side of the steel ball hole (8) is provided with a limiting ring groove (11), the large-diameter end of the outer lock liner (2) at one side of the limiting ring groove (11) is radially provided with a limiting sliding groove (12), one side of the limiting sliding groove (12) is symmetrically provided with blade holes (13), and the end head at one end of the outer lock liner (2) is provided with an outer flange (14).

4. The multifunctional idle lock cylinder of claim 1, characterized in that: inner lock courage (3) be the reducing body, the one end of inner lock courage (3) is provided with platykurtic steel ball shifting block (15), the planiform of steel ball shifting block (15) is the arc, be provided with a plurality of blade pilot holes (16) on the periphery of inner lock courage (3) side by side, blade (18) are equipped with through blade spring (17) in blade pilot hole (16), form the circumference locking through blade (18) and blade spring (17) between outer lock courage (2) and inner lock courage (3), be provided with spacing assembly nail (19) on inner lock courage (3) of blade pilot hole (16) below one side, it is spacing through the cooperation formation circumference of spacing spout (12) and spacing assembly nail (19) between outer lock courage (2) and inner lock courage (3), the other end of inner lock courage (3) is provided with key hole (20).

5. The multifunctional idle lock cylinder of claim 1, characterized in that: the locking mechanism is composed of a blade (18) arranged in a blade assembly hole (16) of the inner lock container (3) through a blade spring (17) and a blade hole (16) arranged on the outer lock container (2), and the outer lock container (2) is movably clamped with the inner lock container (3) through the matching of the blade (18) and the blade hole and the blade assembly hole (16).

6. The multifunctional idle lock cylinder of claim 1, characterized in that: the mechanical clutch mechanism is composed of a clutch steel ball (9), a steel ball hole (8) arranged on the outer lock liner (2) and a steel ball shifting block (15) arranged on the inner lock liner (3), the outer lock liner (2) is connected with a steel ball clamping groove (7) on the unlocking shifting wheel (4) in an embedded mode through the clutch steel ball (9), and the steel ball shifting block (15) is connected with the clutch steel ball (9) in a contact mode.

7. The multifunctional idle lock cylinder of claim 1, characterized in that: the unlocking shifting wheel (4) is a hollow cylinder, an inner flange (5) is arranged in the middle of the unlocking shifting wheel (4), a clutch lever clamping groove (22) is circumferentially arranged on the end face of the other side of the inner flange (5), and a convex shifting block (6) is arranged at the bottom of the unlocking shifting wheel (4).

8. The multifunctional idle lock cylinder of claim 1, characterized in that: the outer lock liner (2) is a tubular body, and an outer flange (14) is arranged at one end of the outer lock liner (2); the blade holes (13) are symmetrically arranged on the circumference of the outer lock liner (2) on the inner side of the outer flange (14), the positioning pin sliding holes (23) are axially arranged on the circumference of the other end of the outer lock liner (2), an outer lock liner annular groove (24) is arranged on the circumference of the outer lock liner (2) between the blade holes (13) and the positioning pin sliding holes (23), and a C-shaped clamp spring A (25) is arranged in the outer lock liner annular groove (24).

9. The multifunctional idle lock cylinder of claim 1, characterized in that: the inner lock liner (3) is a cylinder, and one end of the inner lock liner (3) is provided with a key hole (20); a plurality of blade assembly holes (16) are formed in the circumference of the inner lock cylinder (3) corresponding to the key hole (20), and blades (18) are arranged in the blade assembly holes (16) through blade springs (17); an inner lock liner ring groove (26) is formed in the circumference of the end head of the other end of the inner lock liner (3), a C-shaped clamp spring B (27) is installed in the inner lock liner ring groove (26), an installation counter bore is axially formed in the inner lock liner (3) corresponding to the inner lock liner ring groove (26), a positioning pin spiral hole (28) is spirally formed in the circumference of the inner lock liner (3) corresponding to the installation counter bore, and the positioning pin spiral hole (28) is communicated with the installation counter bore.

10. The multifunctional idle lock cylinder of claim 1, characterized in that: the mechanical clutch mechanism consists of a clutch lever (29), a positioning pin spiral hole (28), a positioning pin sliding hole (23) and a clutch lever clamping groove (22), the clutch lever (29) is a variable-diameter cylinder, a positioning pin (30) is installed on the circumference of the small-diameter end of the clutch lever (29) in a threaded mode, the clutch lever (29) is movably connected with an inner lock container (3) and an outer lock container (2) through the matching of the positioning pin (30), the positioning pin spiral hole (28) and the positioning pin sliding hole (23), clamping blocks (31) are symmetrically arranged on the circumference of the large-diameter end of the clutch lever (29), and the clutch lever (29) is movably connected with an unlocking shifting wheel (4) in an embedded mode through the matching of the clamping blocks (31) and the clutch lever clamping groove (22).