CN2422397Y

CN2422397Y - Lock device

Info

Publication number: CN2422397Y
Application number: CN 00231831
Authority: CN
Inventors: 李吉源
Original assignee: Individual
Current assignee: Individual
Priority date: 2000-03-20
Filing date: 2000-03-20
Publication date: 2001-03-07
Anticipated expiration: 2010-03-20

Abstract

The utility model relates to a lock core. The lock core comprises an outer sleeve, an inner sleeve which is sheathed in the outer sleeve to rotate, a plurality of contraposition elements which are arranged in the inner sleeve, a position limiting element which is arranged in the outer sleeve and is staggered with the positions of the contraposition elements, and a key. The position limiting element is matched with the specification of the key to be assembled on the outer sleeve through a clamping member. After the clamping member is disassembled, the position limiting element and the outer sleeve are separated, and therefore, another group of position limiting element and key can be substituted. The expenditure of consumers can be reduced by the lock core, and resource waste is avoided; meanwhile, the purpose of cost saving is achieved.

Description

Core

The utility model relates to a kind of core.

One secondary complete lockset (for example door lock) includes at least: shell body, lock bolt and core, wherein lock bolt and core are located in the shell body, and the lockhole of core is exposed at hull outside, when making it to form released state when key insertion lockhole, screw key can drive lock bolt by core and open lockset.

Above-mentioned key must could release with core pairing, if key can't make core form released state, just can't further drive lock bolt and opens lockset; Therefore, in the secondary lockset, core can be described as the heart of whole secondary lockset, in case key is lost, core just can't be unlocked so, and whole secondary lockset will be submitted an expense account.

Certainly, when key is lost, maybe can ask the locksmith to join a secondary key again to the scene of lockset, in order to the unlatching lockset, but that has not been a method after all, because the people who picks up key is bad as if feeling, just may invade within doors at any time, causes the loss of property; Therefore, ordinary consumer all is that will be whole secondary complete and still spendable lockset is changed when running into the situation that key loses, and avoiding unnecessary trouble, but has also caused the waste of resource thus; Cooperate core if can only change different keys, just do not need to put in order secondary lockset and abandon, also do not had the situation of the wasting of resources.

The structure of core includes: an outer sleeve, be enclosed within the outer sleeve and the inner sleeve that can rotate, some be located at inner sleeve bit unit, is located at a limit element and the key that outer sleeve and contraposition position of components interlock; When key inserts inner sleeve and after the contraposition component position being moved on to be the position of released state with limit element, promptly can rotate inner sleeve and open lockset.Key is role in core, mainly be to make to be displaced to the position that is released state with limit element to bit unit, different keys can make the contraposition component position move on to different positions, if displacement after the position can not with the limit element correspondence, just can't release.Just, key and limit element are the situation of pairing in one group of core spare, as long as key in the core and limit element are changed, will form another group core; For lockset, another secondary different lockset just.

At the shortcoming of prior art, main purpose of the present utility model is to provide a kind of core; When the user has the situation of key loss, can simple and easy maintenance replace and needn't change whole secondary lockset, customer's expenditure can be reduced, and the waste of resource can be avoided.

Secondary objective of the present utility model is to provide a kind of core; During manufacturing, outer sleeve, inner sleeve that manufacturer can produce unified specification in a large number reach behind the bit unit, and the limit element that each assembly is matched is assembled with key and formed different cores again, to reach cost-effective purpose.

For achieving the above object, the utility model is achieved through the following technical solutions: a kind of core comprises: an outer sleeve, be enclosed within inner sleeve in the outer sleeve, a plurality of be located at inner sleeve bit unit, is located at a limit element and the key that outer sleeve and contraposition position of components interlock; It is characterized in that: limit element cooperates the specification of key and is assembled on the outer sleeve by a clamping piece.

Outer sleeve is provided with chute, and establishes a circle annular groove in the afterbody inner edge, and in order to ccontaining c-shaped annular clamping piece, the limit element in the chute of insertion outer sleeve is strip, and clamping piece embeds annular groove.

A plurality of stop part is a breach to bit unit in the form of sheets, is embedded on the limit element that is strip, and is stacked in the front side of inner sleeve by the contact of flexible member, and the contraposition part of limit element is the short slot shape.

By a kind of core of the utility model, overcome the shortcoming of prior art, reached the purpose of above-mentioned creation, by the utility model, can make the customer easy to repair, convenient, save cost, cut the waste.

The utility model is described in further detail below in conjunction with drawings and the specific embodiments.

Fig. 1 is the three-dimensional exploded view of the utility model embodiment;

Fig. 2 is the side sectional view of the utility model embodiment;

Fig. 3 is the utility model embodiment is released state in the key insertion a schematic diagram;

Fig. 4 is the partial exploded view of the utility model embodiment;

Fig. 5 is the schematic diagram that the utility model embodiment replaces limit element.

As shown in Figure 1, 2, a kind of core of the utility model, its structure includes: an outer sleeve 10, be cylindric, its outer rim is provided with a chute 11 at least, and this chute 11 penetrates into inner edge by the outside of outer sleeve 10; One inner sleeve 20 is enclosed within the outer sleeve 10, can have accommodation space 21 on this inner sleeve 20 with respect to outer sleeve 10 rotations under released state, and lockhole 22 is arranged on the front end, and tail end can connect a catch 23; Some to bit unit 30, to be located in the accommodation space 21 of inner sleeve 20, this is provided with stop part 31 to bit unit 30 outsides with respect to the position of chute 11; One limit element 40, be located on the chute 11 of outer sleeve 10, these limit element 40 inboards protrude in outer sleeve 10 inner edges, and be provided with and the contraposition part 41 of bit unit 30 equal numbers, and the position of contraposition part 41 remains on and the stop part 31 of bit unit 30 is staggered state, make and to form locking condition with respect to outer sleeve 10 rotations bit unit 30 and inner sleeve 20; One key 50, front end has tooth row 51, can be inserted by the lockhole 22 of inner sleeve 20 front ends to promote bit unit 30 is made bit unit 30 and stop part 31 displacements thereof.

As shown in Figure 3, when lockhole 22 insertions of key 50 front end tooth rows 51 by inner sleeve 20 front ends promote bit unit 30, make when bit unit 30 and stop part 31 thereof be displaced to contraposition part 41 contrapositions with limit element 40, stop part 31 promptly can form released states by contraposition part 41; At this moment, application of force screw key 50, can drive inner sleeve 20 and to bit unit 30 with respect to sleeve 10 rotations, the catch 23 of inner sleeve 20 tail ends rotates simultaneously during rotation, can open lockset.

In the known various cores, no matter is to be which kind of shape to bit unit 30 with limit element 40, principle of release all is identical by to bit unit 30 and limit element 40 contrapositions inner sleeve 20 and catch 23 can being rotated when inner sleeve 20 and catch 23 must not be rotated form locking condition and release to the position of bit unit 30 and limit element 40 is staggered for it, so the utility model feature as described below will be applicable to various known cores.

As Fig. 4, shown in Figure 5, the utility model core is characterised in that: limit element 40 cooperates the specification of key 50 and is assembled on the outer sleeve 10 by a clamping piece 60, behind the dismounting clamping piece 60, limit element 40 is separated with outer sleeve 10, therefore can replace another group limit element 40 and key 50, when the user has the situation of key loss, can simple and easy maintenance replace and needn't change whole secondary lockset, customer's expenditure can be reduced, and the waste of resource can be avoided; During fabrication, manufacturer also can produce the outer sleeve 10, inner sleeve 20 of unified specification and in a large number to bit unit 30, the limit element 40 of each pairing and key 50 is decomposed to assemble with it and form core again.

Limit element 40 is strip, can radially insert in the chute 11 of outer sleeve 10, outer sleeve 10 is provided with circle annular groove 12 at the afterbody inner edge, in order to ccontaining c-shaped annular clamping piece 60, after limit element 40 inserts the chute 11 of outer sleeve 10, behind clamping piece 60 embedding annular grooves 12, can stop limit element 40, must not make it and take out, to finish assembling; If clamping piece 60 is taken out in annular groove 12, then limit element 40 promptly can be extracted out in chute 11 and dismantle, and then can change another assembly right key 50 and limit element 40.

A plurality of to bit unit 30 in the form of sheets, stop part 31 is a breach, be embedded in limit element 40 inboards that are strip, and be stacked in the front side (Fig. 2) of inner sleeve 20 by the contact of flexible member 32, the contraposition part 41 of limit element 40 is the short slot shape, when stop part 31 and contraposition part 41 as yet not during contraposition, stop part 31 is embedded in limit element 40 inboards and can't rotates, after key 50 inserts (Fig. 3), can make to bit unit 30 backward displacement and with contraposition part 41 contrapositions of short slot shape, make the restriction that can remove limit elements 40 to bit unit 30 by contraposition part 41.After key 50 is extracted out, bit unit 30 is shifted onto the front side of inner sleeve 20 by flexible member 32 and must not be rotated the formation locking condition.

Being preferred embodiment of the present utility model in sum, is not in order to limiting interest field of the present utility model, all according to the utility model characteristic principle and slightly elements be equal to replacement, must be within protection domain.

Claims

1, a kind of core comprises: an outer sleeve, be enclosed within inner sleeve in the outer sleeve, a plurality of be located at inner sleeve bit unit, is located at a limit element and the key that outer sleeve and contraposition position of components interlock; It is characterized in that: limit element cooperates the specification of key and is assembled on the outer sleeve by a clamping piece.

2, core according to claim 1, it is characterized in that: outer sleeve is provided with chute, and establishes a circle annular groove in the afterbody inner edge, in order to ccontaining c-shaped annular clamping piece, limit element in the chute of insertion outer sleeve is strip, and clamping piece embeds annular groove.

3, core according to claim 1, it is characterized in that: a plurality of stop part is a breach to bit unit in the form of sheets, is embedded on the limit element that is strip, and being stacked in the front side of inner sleeve by the contact of flexible member, the contraposition part of limit element is the short slot shape.