CN103938937B

CN103938937B - A kind of lock core mechanism

Info

Publication number: CN103938937B
Application number: CN201410197614.3A
Authority: CN
Inventors: 徐钜祥
Original assignee: FUZHOU JINFU LOCKS Co Ltd
Current assignee: FUZHOU JINFU LOCKS Co Ltd
Priority date: 2014-05-13
Filing date: 2014-05-13
Publication date: 2016-04-13
Anticipated expiration: 2034-05-13
Also published as: CN103938937A

Abstract

The present invention relates to a kind of lock core mechanism, in lock core shaft, the upside of key hole is provided with the radial sliding lock sheet that multi-disc be arranged in parallel, and on the side of radial sliding lock sheet, distribution forms locking convex reconciliation draw-in groove up and down; In lock core shaft, the side of key hole is provided with the dispute that slides axially, slide axially dispute front end pressing surface top pressure back-moving spring, match with the key inserted on rear side of pressing surface, slide axially dispute side on form multiple locking groove, locking groove convexly to match with locking, the side that the dispute that slides axially is relative with lock core shaft overcoat forms multiple convex lock dog, and each convex lock dog locks chute with the annular groove and the axis crossing with annular groove that are arranged on parallel distribution before and after in lock core shaft's outer sheath inner circumferential surface and matches.Instant invention overcomes the defect that existing lock core mechanism theftproof performance is more weak, the pin mode adopting radial sliding lock sheet and the dispute that slides axially to match improves the theftproof performance of lock core, has the advantage that anti-dial performance is strong, failure rate is low, reliability are strong.

Description

A kind of lock core mechanism

Technical field

The present invention relates to a kind of lock core mechanism.

Background technology

Key cylinder locking mechanism in conventional door lock, its Cipher mechanism generally adopts upper and lower pellet or blade, wherein the structure design of upper and lower pellet is simpler and cruder, theftproof performance is more weak, and adopt blade as the lock core of Cipher mechanism, be all that the groove fit of blade and the lock core shaft's overcoat arranged by difference is locked, the theftproof performance of its structure design is also strong, and in use procedure, fault rate is higher.

Summary of the invention

The problem that fault rate is higher in order to the theftproof performance overcoming common lock core mechanism of door lock in prior art is more weak, in use procedure, the invention provides a kind of key cylinder locking mechanism, the unlock operation of this key cylinder locking mechanism conveniently, antitheft anti-dial performance is strong, failure rate is low, reliability are strong.

The technical solution adopted for the present invention to solve the technical problems is: comprise the lock core shaft in lock core shaft's overcoat and lock core shaft's overcoat, in lock core shaft, the upside of key hole is provided with the radial sliding lock sheet that multi-disc be arranged in parallel, slide in multiple radial grooves that radial sliding lock sheet is corresponding in lock core shaft, radial sliding lock sheet upper end top compression elasticity part and steel ball, match with the key of insertion in lower end, on the side of radial sliding lock sheet, distribution forms locking convex reconciliation draw-in groove up and down, relative with the radial sliding lock sheet of multi-leaf design, in lock core shaft, the side of key hole is provided with the dispute that slides axially, slide in the axial slide of the dispute axial closed at both ends in lock core shaft that slides axially, slide axially dispute front end with pressing surface, location hole of the spring top is with to press back-moving spring on front side of pressing surface, match with the key inserted on rear side of pressing surface, the side that the dispute that slides axially is relative with the radial sliding lock sheet of multi-disc forms multiple locking groove, locking groove convexly to match with locking, the side that the dispute that slides axially is relative with lock core shaft overcoat forms multiple convex lock dog, each convex lock dog locks chute with the annular groove and the axis crossing with annular groove that are arranged on parallel distribution before and after in lock core shaft's outer sheath inner circumferential surface and matches.

In lock core shaft, the downside of key hole is provided with multiple radial sliding lock part, radial sliding lock part upper end has outstanding reversed column, reversed column and the key of insertion match and make to slide in radial sliding lock part radial slide opening corresponding in lock core shaft, radial sliding lock part lower wall has solution locked groove, separate locked groove relative with the lock of below, between lock two ends and lock core shaft, radial direction arranges spring, and lock matches with the axial lock slots in lock core shaft outer sheath inner circumferential surface.

The present invention is by above-mentioned specific design, and the pin mode adopting radial sliding lock sheet and axial sliding lock sheet to match substantially increases the theftproof performance of lock core, has the advantage that anti-dial performance is strong, failure rate is low, reliability are strong.

Accompanying drawing explanation

Below in conjunction with drawings and Examples, detailed content of the present invention is described.

Fig. 1 is decomposition texture schematic diagram of the present invention.

Fig. 2 is the sectional view that the present invention inserts key.

Fig. 3 is the A-A sectional view of Fig. 2.

Fig. 4 is the B-B sectional view of Fig. 3.

Fig. 5 is the C-C sectional view of Fig. 2.

Fig. 6 is the schematic diagram that Fig. 3 does not insert key.

Fig. 7 is the schematic diagram that Fig. 4 does not insert key.

Detailed description of the invention

As shown in the figure, the present invention includes the lock core shaft 2 in lock core shaft's overcoat 1 and lock core shaft's overcoat 1, located by jump ring 26 between lock core shaft's overcoat 1 and lock core shaft 2, in lock core shaft 2, the upside of key hole 3 is provided with the radial sliding lock sheet 4 that multi-disc be arranged in parallel, slide in multiple radial grooves 6 that radial sliding lock sheet 4 is corresponding in lock core shaft 2, top, radial sliding lock sheet 4 upper end compression elasticity part 7 and steel ball 8, match with the key of insertion in lower end, elastic component 7 and steel ball 8 are arranged in the slotted eye 27 of lock core shaft's overcoat 1, and elastic component 7 generally adopts spring.On the side of radial sliding lock sheet 4, distribution forms locking convex 9 reconciliation draw-in grooves 10 up and down, relative with the radial sliding lock sheet 4 of multi-leaf design, in lock core shaft 2, the side of key hole 3 is provided with the dispute 5 that slides axially, slide in the axial slide 11 of the dispute 5 axial closed at both ends in lock core shaft 2 that slides axially, slide axially dispute 5 front end with pressing surface 12, location hole of the spring 13 is with to push up pressure back-moving spring 14 on front side of pressing surface 12, match with the key inserted on rear side of pressing surface 12, the side that the dispute 5 that slides axially is relative with the radial sliding lock sheet 4 of multi-disc forms multiple locking groove 15, locking groove 15 matches with locking convex 9, the side that the dispute 5 that slides axially is relative with lock core shaft overcoat 1 forms multiple convex lock dog 16, each convex lock dog 16 locks chute 18 with the annular groove 17 and the axis crossing with annular groove 17 that are arranged on parallel distribution before and after on lock core shaft's overcoat 1 inner peripheral surface and matches.In lock core shaft 2, the downside of key hole 3 is provided with multiple radial sliding lock part 19, radial sliding lock part 19 upper end has outstanding reversed column 21, reversed column 21 matches with the key inserted and makes to slide in radial sliding lock part 19 radial slide opening 20 corresponding in lock core shaft 2, radial sliding lock part 19 lower wall has and separates locked groove 22, separate locked groove 22 relative with the lock 23 of below, between lock 23 two ends and lock core shaft 2, radial direction arranges spring 24, and lock 23 matches with the axial lock slots 25 on lock core shaft overcoat 1 inner peripheral surface.When key 28 inserts, slide in the radial slide opening 20 driving reversed column 21 to make radial sliding lock part 19 corresponding in lock core shaft 2, solution locked groove 22 on each radial sliding lock part 19 draws a straight line, the top of lock 23 enters under the effect of spring 24 separates locked groove 22, the bottom of lock 23 is separated with axial lock slots 25 under the effect of spring 24, and the local locks with respect of lock core is removed, simultaneously, key 28 first upwards pushes radial sliding lock sheet 4 in the process advanced, the resistance making radial sliding lock sheet 4 overcome elastic component 7 slides in radial groove 6, locking convex 9 are separated with the locking groove 15 slid axially in dispute 5, solution draw-in groove 10 to each radial sliding lock sheet 4 draws a straight line, solution draw-in groove 10 in the radial sliding lock sheet 4 of continuous print is in same plane with the slide axially fitting face of dispute 5 and the face residing for locking groove 15, above-mentioned fitting face can be slided in continuous print solution draw-in groove 10, the thickness of above-mentioned fitting face is less than the thickness of convex lock dog 16 part, key 28 continues to insert, the front end of key 28 then pushes the pressing surface 12 slid axially in dispute 5, the resistance that the dispute 5 that slides axially overcomes back-moving spring 14 in axial slide 11 to a Slideslip, slide in the axis locking chute 18 of the convex lock dog 16 slid axially in dispute 5 simultaneously on lock core shaft's overcoat 1 inner peripheral surface, stop to during crossing position with annular groove 17 of axial locking chute 18, now, whole latch-releases of lock core, when key 28 rotates, lock core drives convex lock dog 16 enter annular groove 17 and rotate along annular groove 17, radial sliding lock part 19 and lock 23 also rotate simultaneously, lock is opened.When key 28 rotates backward and puts in place, convex lock dog 16 comes back to annular groove 17 and the crossing position axially locking chute 18, when key 28 is extracted, the convex lock dog 16 slid axially in dispute 5 enters and axially locks chute 18 and axially locking slip in chute 18 under the effect of back-moving spring 14, now, lock core can not rotate, the dispute 5 that slides axially slides into locking groove 15 and is in same plane with radial sliding lock sheet 4, key 28 continues to extract, radial sliding lock sheet 4 slide downward under the effect of elastic component 7, in radial sliding lock sheet 4 locking convex 9 engage with the locking groove 15 slid axially in dispute, after key 28 is extracted completely, radial sliding lock part 19 in lock core also all misplaces separation, complete locking.Above-described embodiment is only be described the preferred embodiment of a kind of lock core mechanism of the present invention; not the design of inventing and scope are limited; under the prerequisite not departing from the present invention program; the various external form modification that those skilled in the art make technical scheme of the present invention and improvement, all should fall into the protection domain of a kind of lock core mechanism of the present invention.

Claims

1. a lock core mechanism, comprise the lock core shaft in lock core shaft's overcoat and lock core shaft's overcoat, it is characterized in that: be provided with the radial sliding lock sheet (4) that multi-disc be arranged in parallel in the upside of the upper key hole (3) of lock core shaft (2), radial sliding lock sheet (4) is slided in the upper corresponding multiple radial grooves (6) of lock core shaft (2), radial top compression elasticity part, sliding lock sheet (4) upper end (7) and steel ball (8), match with the key of insertion in lower end, on the side of radial sliding lock sheet (4), distribution forms locking convex (9) reconciliation draw-in groove (10) up and down, relative with the radial sliding lock sheet (4) of multi-leaf design, the dispute that slides axially (5) is provided with at the side of the upper key hole (3) of lock core shaft (2), the dispute (5) that slides axially is slided in the axial slide (11) of the upper axial closed at both ends of lock core shaft (2), slide axially dispute (5) front end with pressing surface (12), pressing surface (12) front side band location hole of the spring (13) top pressure back-moving spring (14), pressing surface (12) rear side matches with the key inserted, the side that the dispute (5) that slides axially is relative with radial sliding lock sheet (4) of multi-disc forms multiple locking groove (15), locking groove (15) convex with locking (9) matches, the side that the dispute (5) that slides axially is relative with lock core shaft's overcoat (1) forms multiple convex lock dog (16), each convex lock dog (16) locks chute (18) with the annular groove (17) and the axis crossing with annular groove (17) that are arranged on parallel distribution before and after on lock core shaft's overcoat (1) inner peripheral surface and matches.

2. a kind of lock core mechanism according to claim 1, it is characterized in that being provided with multiple radial sliding lock part (19) in the downside of the upper key hole (3) of lock core shaft (2), radial sliding lock part (19) upper end has outstanding reversed column (21), reversed column (21) and the key inserted match and radial sliding lock part (19) are slided in the upper corresponding radial slide opening (20) of lock core shaft (2), radial sliding lock part (19) lower wall has solution locked groove (22), separate locked groove (22) relative with the lock (23) of below, between lock (23) two ends and lock core shaft (2), radial direction arranges spring (24), lock (23) matches with the axial lock slots (25) on lock core shaft overcoat (1) inner peripheral surface.