CN203034941U

CN203034941U - Lock core

Info

Publication number: CN203034941U
Application number: CN 201320016334
Authority: CN
Inventors: 何近洪
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-01-14
Filing date: 2013-01-14
Publication date: 2013-07-03
Anticipated expiration: 2023-01-14

Abstract

The utility model relates to the technical field of locks, in particular to a lock core matched with an inner milling key. A blade groove is arranged on the periphery of the lock core in a radial direction, a key hole is arranged at the end of the lock core axially and is communicated with the blade groove, blade groups are arranged in the blade groove, every blade group is formed by two oppositely overlaid blades, the blades are provided with abdicating grooves corresponding to the key hole, lock grooves are arranged on one sides of the blades, through holes are arranged in the middle of the blades, the through holes of the two overlaid blades are jointly surrounded to form a cavity, a compression spring is arranged in the cavity, the compression direction of the compression spring and the direction of the blade groove are identical, and touch feet are arranged in the middle of the abdicating grooves and extend into the key hole. The two blades of every blade group are jointly connected with the spring and are in linkage with each other, unlocking difficulty is large, and antitheft of the lock core is high. The two blades in every blade group are provided with the through holes, the spring is placed in the cavity surrounded by the two through holes, and due to the fact that the periphery of the spring is surrounded by the cavity, the spring cannot be dropped out easily in assembly and is convenient to install.

Description

A kind of lock core

Technical field

The utility model relates to lock technology field, particularly mills a kind of lock core that the clavis spoon is used with interior.

Background technology

China Patent No. CN200820053055.9 discloses a kind of tapered end and key that adopts adopting vane spring idle rotation lock master structure on May 20th, 2009, lock core is provided with the locking side column that can match with V-shaped groove on the blade marble before the tapered end, the slide block chute that communicates with the locking side column groove is set, be provided with lock pin in the lock pin chute on rear lock core, in the locking side column groove, be provided with the sliding shoe that radially matches with locking side column, between sliding shoe and the locking side column along lock core shaft to the contact site that two places adopt the inclined-plane is set at least, one end of sliding shoe is positioned at the slide block chute and contacts with lock pin on the rear lock core, and a middle side part of described blade marble is provided with the protuberance that can match with bullet groove on the key.Each blade marble of this structure all needs spring to promote, and causes that assembly difficulty is big, cost is higher.

The utility model content

The purpose of this utility model is to overcome the deficiency that above-mentioned prior art exists, and provides a kind of simple and reasonable for structure, easy to assembly, theftproof by force, lock core cheaply.

The purpose of this utility model is achieved in that

A kind of lock core, the lock core outer periphery is provided with blade groove, the lock core end is axially arranged with keyhole, keyhole is communicated with blade groove, be provided with vane group in the blade groove, vane group is made of two just anti-phase folded blades, the corresponding keyhole of blade is provided with slot to make way, it is characterized in that described blade one side is provided with locked groove, the blade middle part is provided with through hole, the through hole of folded two blades surrounds a cavity jointly mutually, is provided with a compression spring in the cavity, and compression spring compression direction is consistent with the blade groove direction, the slot to make way middle part is provided with the touching pin, and the touching pin stretches in the keyhole.

The purpose of this utility model can also adopt following technical measures to solve:

As scheme more specifically, described lock core is supporting have cooperate with keyhole in mill the clavis spoon, in mill clavis spoon surface middle part and be axially arranged with cell body, the cell body opening part is provided with tapered guide opening wide outside and narrow inside, the touching pin of two blades is provided with tartar in the corresponding blade groove in cell body both sides.

Described keyhole is positioned at blade groove one side, and keyhole port place is provided with to the projecting inward guide protrusions of keyhole.

Mill the corresponding described guide protrusions of clavis spoon in described and be axially arranged with gathering sill.

The locked groove of the corresponding blade of described lock core periphery is provided with the catch groove, is provided with catch in the catch groove, and the catch inner face is provided with tapered protrusion, and locked groove is the cone tank that cooperates with tapered protrusion.

Described lock core periphery is provided with dovetail groove, and dovetail groove passes the catch groove, is provided with compressing tablet in the dovetail groove, is crimped with back-moving spring between compressing tablet inner face and the catch.When locked groove and catch on time, the inner of catch spring that can be reset pushes locked groove.

Described catch outer face is curved, also corresponding compressing tablet is provided with recess, and corresponding back-moving spring is provided with locating hole in the recess.

The beneficial effects of the utility model are as follows:

(1) two blades of each group in vane group of this kind of lock core are common joins with a spring, and two blades link mutually, and the difficulty that need crack is big, makes the theftproof of lock core stronger;

(2) two blades are equipped with through hole in the vane group, and spring is placed in the cavity that two through hole surrounds, owing to surrounded by cavity around the spring, are difficult for during assembling dropping out, and install more convenient.

Description of drawings

Fig. 1 is the utility model lock core one example structure schematic diagram.

Fig. 2 is that lock core inserts structural representation behind the key among Fig. 1.

Fig. 3 is the blade construction schematic diagram.

Fig. 4 is the lock core structure schematic diagram.

Fig. 5 is the A-A sectional structure schematic diagram of Fig. 5.

Fig. 6 is the B-B sectional structure schematic diagram of Fig. 6.

Fig. 7 is catch master TV structure schematic diagram.

Fig. 8 is Fig. 7 plan structure schematic diagram.

Fig. 9 is the Key structure schematic diagram.

Figure 10 is the C-C sectional structure schematic diagram of Fig. 9.

The specific embodiment

Below in conjunction with drawings and Examples the utility model is further described.

Extremely shown in Figure 10 as Fig. 1, a kind of lock core, lock core 1 outer periphery is provided with blade groove 13, lock core 1 end is axially arranged with keyhole 12, keyhole 12 is communicated with blade groove 13, be provided with vane group in the blade groove 13, vane group is made of two just anti-phase folded blades 2, and blade 2 corresponding keyholes 12 are provided with slot to make way 24, and described blade 2 one sides are provided with locked groove 23, blade 2 middle parts are provided with through hole 22, the through hole 22 of folded two blades 2 surrounds a cavity jointly mutually, is provided with a compression spring 3 in the cavity, and compression spring 3 compression directions are consistent with blade groove 13 directions, slot to make way 24 middle parts are provided with touching pin 21, and touching pin 21 stretches in the keyhole 12.

Described lock core 1 is supporting have cooperate with keyhole 12 in mill clavis spoon 7, in mill middle part, clavis spoon 7 surface and be axially arranged with cell body, the cell body opening part is provided with tapered guide opening wide outside and narrow inside, and the touching pin 21 of two blades is provided with tartar 71 in the corresponding blade groove 13 in cell body both sides.

Described keyhole 12 is positioned at blade groove 13 1 sides, and keyhole 12 ports are provided with to the projecting inward guide protrusions 11 of keyhole 12.

Mill clavis spoon 7 corresponding described guide protrusions 11 in described and be axially arranged with gathering sill 72.Mill clavis spoon 7 ends in described and can be provided with slotted hole 73.

The locked groove 23 of the corresponding blade 2 of described lock core 1 periphery is provided with catch groove 16, is provided with catch 4 in the catch groove 16, and catch 4 inner faces are provided with tapered protrusion, and locked groove 23 is the cone tank that cooperates with tapered protrusion.

Described lock core 1 periphery is provided with dovetail groove 14, and dovetail groove 14 passes catch groove 16, is provided with compressing tablet 6 in the dovetail groove 14, is crimped with back-moving spring 5 between compressing tablet 6 inner faces and the catch 4.

Described catch 4 outer faces are curved, also corresponding compressing tablet 6 is provided with recess 41, and corresponding back-moving springs 5 are provided with locating hole 42 in the recess 41.

Above-mentioned lock core 1 is set in the lock housing and uses, and the corresponding catch groove 16 of lock housing is provided with groove, and lock core 1 rear end is stretched out outside the lock housing and is connected with snap ring, and lock core 1 rear end is provided with annular groove 15, and snap ring is connected outside the annular groove 15, and described lock housing and snap ring are not shown.

Its operating principle is: during the lock core original state, see shown in Figure 1, the locked groove 23 of blade 2 staggers with the inner of catch 4, the tapered protrusion of catch 4 the inners can't be fallen in the locked groove 23, the outer end of catch 4 protrudes from lock core 1 periphery and is connected with the groove (not shown) of lock housing, lock core can not rotate relative to lock housing, can not unblank.Referring to Fig. 2, after milling clavis spoon 7 in keyhole inserts, the touching pin 21 of blade 2 with in mill clavis spoon 7 tartar 71 cooperate, make two blades 2 in the blade groove 13 mobile in opposite direction, the locked groove of each blade aligns with the tapered protrusion of catch 4 simultaneously, catch 4 is fallen in the catch groove 16 fully, and lock core 1 rotates relative to lock housing, realizes unblanking.

Claims

1. lock core, the lock core outer periphery is provided with blade groove, the lock core end is axially arranged with keyhole, keyhole is communicated with blade groove, be provided with vane group in the blade groove, vane group is made of two just anti-phase folded blades, the corresponding keyhole of blade is provided with slot to make way, it is characterized in that described blade one side is provided with locked groove, the blade middle part is provided with through hole, the through hole of folded two blades surrounds a cavity jointly mutually, is provided with a compression spring in the cavity, and compression spring compression direction is consistent with the blade groove direction, the slot to make way middle part is provided with the touching pin, and the touching pin stretches in the keyhole.

2. according to the described lock core of claim 1, it is characterized in that, described lock core is supporting have cooperate with keyhole in mill the clavis spoon, in mill clavis spoon surface middle part and be axially arranged with cell body, the cell body opening part is provided with tapered guide opening wide outside and narrow inside, and the touching pin of two blades is provided with tartar in the corresponding blade groove in cell body both sides.

3. according to the described lock core of claim 2, it is characterized in that described keyhole is positioned at blade groove one side, keyhole port place is provided with to the projecting inward guide protrusions of keyhole.

4. according to the described lock core of claim 3, it is characterized in that, mill the corresponding described guide protrusions of clavis spoon in described and be axially arranged with gathering sill.

5. according to the described lock core of claim 1, it is characterized in that the locked groove of the corresponding blade of described lock core periphery is provided with the catch groove, is provided with catch in the catch groove, the catch inner face is provided with tapered protrusion, and locked groove is the cone tank that cooperates with tapered protrusion.

6. according to the described lock core of claim 5, it is characterized in that described lock core periphery is provided with dovetail groove, dovetail groove passes the catch groove, is provided with compressing tablet in the dovetail groove, is crimped with back-moving spring between compressing tablet inner face and the catch.

7. according to the described lock core of claim 6, it is characterized in that described catch outer face is curved, also corresponding compressing tablet is provided with recess, corresponding back-moving spring is provided with locating hole in the recess.