CN206942375U

CN206942375U - A kind of high reliability lock

Info

Publication number: CN206942375U
Application number: CN201720714960.3U
Authority: CN
Inventors: 李航
Original assignee: Shenzhen Tiglon Technology Co Ltd
Current assignee: Shenzhen Tiglon Technology Co Ltd
Priority date: 2017-06-19
Filing date: 2017-06-19
Publication date: 2018-01-30
Anticipated expiration: 2027-06-19

Abstract

Lock technology field is the utility model is related to, especially a kind of high reliability lock.It includes lock core and key, lock core includes offering the fixing lock stem of keyhole, is installed in keyhole and the rotations lock core column with the rotation connection of fixing lock stem, several be in axial direction opened in rotate and play groove through holes and several sleeves in the elastic telescopic pellet in corresponding bullet groove through hole in lock core column, any two elastic telescopic pellet be inserted into corresponding to play groove through hole it is interior after depth it is unequal；Key includes pellet protection pipe and several contraposition sleeves and plays fixation pellet in groove through hole and complementary with the length phase of corresponding elastic telescopic pellet in corresponding.Distribution relation between pellet of the present utility model and key uses parallel distribution, elastic telescopic pellet and fixed pellet is multiple and Length discrepancy, not only make the length of pellet and stroke range that there is enough design spaces, and difficulty is added for the pirate of the open and the imitated of key of lockset, so as to greatly improve the theftproof performance of lockset.

Description

A kind of high reliability lock

Technical field

Lock technology field is the utility model is related to, especially a kind of high reliability lock.

Background technology

Spring lock is as a kind of most common lock structure, by people extensively in such as sedan limousine, antitheft door, insurance Cabinet etc., which has in the occasion of high safety requirement, to be used, and its general principle is：Using a rotatable lock core, in the radial direction side of lock core Be provided with spring marble device upwards, while keyhole opened up on the axial direction of lock core, by insert the key of keyhole with Interaction between spring marble device, band movable lock core is rotated under the turning effect of key, so as to realize lockset Lock and unlock.

However, existing spring lock causes the following problem of its generally existing due to being limited by factors such as structure and principles： 1st, the state that spring marble device (the also bullet groove of pellet) is in vertical distribution with key (also or keyhole), and multiple bullets Son is normally at the same side of key and is spaced apart, and so as to cause pellet to take the confined space of lock core, makes making for pellet With limited amount, and the scope of design of the length of pellet can not be extended, so cause lockset security and volume it Between can not effectively be balanced；During the state the 2nd, being in vertical distribution between spring marble device and key, lockset can be caused Stereoscopic-state structure is extremely complex, and not only manufacturing process complexity is cumbersome, and wearing no resistance between part, extreme difference are few, so as to Cause the security reliability of lockset can not effectively to be lifted；3rd, key is easily imitated, and lockset is easy to by pirate of the open, antitheft Poor performance.

Utility model content

For above-mentioned the shortcomings of the prior art, the purpose of this utility model is to provide a kind of high reliability theftproof lock Tool.

To achieve these goals, the utility model adopts the following technical scheme that：

A kind of high reliability lock, it includes lock core and key, and the lock core includes one end along axis direction Offer the fixing lock stem of keyhole, one be installed in keyhole and root and the rotation lock core of fixing lock stem rotation connection The axial direction that post, several edges rotate lock core column is penetratingly opened in the bullet groove through hole and several roots rotated in lock core column The root of portion and fixing lock stem is connected and contraposition ground sleeve in end is in the elastic telescopic pellet in corresponding bullet groove through hole, arbitrarily Depth of the end of two elastic telescopic pellets after being played corresponding to being inserted into groove through hole is unequal；

The key includes a pair sleeves in keyhole and in the periphery wall and keyhole for rotating lock core column Pellet protection pipe between perisporium and several ends contraposition ground sleeve in corresponding bullet groove through hole and end face with it is corresponding The fixation pellet that the end face of elastic telescopic pellet offsets, the root of the fixed pellet are connected with the root of pellet protection pipe, and Each fixed pellet is equal with the axial length summation of corresponding elastic telescopic pellet.

Preferably, each elastic telescopic pellet is in axial direction installed on the root of fixing lock stem including one Marble spring and the mobile pellet that is connected with the end of marble spring of a root, the end of the mobile pellet is in marble spring The lower sleeve of elastic force effect to corresponding bullet groove through hole in.

Preferably, the root of the mobile pellet is provided with a sleeve in the limit convex in the end of corresponding marble spring Rise.

Preferably, axial directional distribution along pellet protection pipe is provided with the periphery wall of the pellet protection pipe Key positioner post, it is described rotate lock core column periphery wall on offer for for key positioner post contraposition sleeve key positioner Groove.

As a result of such scheme, the distribution relation between pellet of the present utility model and key uses parallel distribution shape State, elastic telescopic pellet is multiple with fixed pellet and Length discrepancy, the length and stroke range for not only making pellet have enough Design space, and for lockset pirate of the open and the imitated of key add difficulty；Its is simple and compact for structure, theftproof performance is excellent It is different, safety and reliability is high, manufacturing cost is cheap, has very strong practical value and market popularization value.

Brief description of the drawings

Fig. 1 is the structure cut-away illustration of the lock core of the utility model embodiment；

Fig. 2 is the structure cut-away illustration of the key of the utility model embodiment.

Embodiment

Embodiment of the present utility model is described in detail below in conjunction with accompanying drawing, but the utility model can be by right It is required that the multitude of different ways for limiting and covering is implemented.

As depicted in figs. 1 and 2, a kind of high reliability lock that the present embodiment provides, it includes lock core a and key b； Wherein,

The fixing lock stem 1, one that lock core a offers keyhole c including one end along axis direction is installed in keyhole c Rotation lock core column 2 that interior and root is rotatablely connected with fixing lock stem 1, several run through along the axial direction for rotating lock core columns 2 The bullet groove through hole d and several roots that ground is opened in rotation lock core column 2 are connected with the root of fixing lock stem 1 (as fixed Connection or sleeve connection etc.) and end contraposition ground sleeve in the elastic telescopic pellet in corresponding bullet groove through hole d, any two Depth of the end of elastic telescopic pellet after being played corresponding to being inserted into groove through hole d is unequal (to be can be understood as：Several bullets Property flexible pellet length it is unequal or the length and other elastic telescopic pellets of an elastic telescopic pellet at least be present The unequal situation of length)；

Key b then includes a contraposition sleeve in keyhole c and positioned at the periphery wall and keyhole c for rotating lock core column 2 Pellet protection pipe 3 between internal perisporium and several ends contraposition ground sleeve in corresponding bullet groove through hole d and end face with it is right The fixation pellet 4 that the end face for the elastic telescopic pellet answered offsets, the root of fixed pellet 4 are connected with the root of pellet protection pipe 3 (be such as fixedly connected, integral structure connection, sleeve or threaded connection), and each fixed pellet 4 is stretched with corresponding elasticity The axial length summation of contracting pellet it is equal (can be understood as fixing pellet 4 be inserted into play part in groove through hole d with it is corresponding It is mutual complementary in length that elastic telescopic pellet, which is inserted into the part played in groove through hole d).

Thus, after bullet corresponding to being inserted into when the fixation pellet 4 with different length in groove through hole d, it can lead to playing groove The complementary elastic telescopic pellet of length phase compresses relation in the d of hole, so that elastic telescopic pellet is by the root towards fixing lock stem 1 Portion side is compressed (until the end face of all elastic flexible pellet skids off from the root for rotating lock core column 2 simultaneously), then Rotated by key b to turn rotation lock core column 2 relative to fixing lock stem 1, it is related to be promoted using fixing lock stem 2 The mechanical device such as dead bolt acted, unlocked so as to realize.Based on this, the lockset of the present embodiment can have below beneficial to effect Fruit：

1st, be axial directional distribution along lock core a due to playing groove through hole d and keyhole c so that pellet and key it Between distribution relation by traditional vertical distribution state transformation be parallel distribution, so as to be provided for the length range of pellet Enough design spaces, the pellet stroke of such as traditional spring lock are usually no more than 3mm, and the pellet stroke of the present embodiment can be according to tool Body situation is extended and (illustrated below so that pellet stroke is 30mm as an example), in the case of radom insertion, if with 1/3mm Size difference be section identification grade, then the identification of the single pellet of traditional spring lock needs 9 diverse location points to try Test, and the pellet of the present embodiment then needs 90 different location points to test, with the elastic telescopic pellet and biography of the present embodiment The pellet of system pellet institute is that the quantity of 7 is calculated, in the case where each pellet identification height is separate, traditional spring lock (being calculated with 3mm maximum) needs 7⁹Individual to identify position at random to identify, the present embodiment then needs 7⁹⁰Individual random identification position Point identifies, from the point of view of both identification position points, if being tested with random experiment the section position height of pellet If, the latter success of the test difficulty be significantly larger than the former, in addition the pellet of whole lockset externally (the i.e. end footpath of keyhole To face) state that is in vertical distribution, in general unlocking tool is difficult to open by the methods of " hitting spoon " or " aciculiform lockaid gun "； Therefore, the difficulty of pirate of the open lock is substantially increased, condition is provided to lift the safety and reliability of lockset.

2nd, having different regular lengths between several elastic telescopic pellets, (i.e. sleeve is in corresponding bullet groove through hole d Depth), and need the fixation pellet 4 complementary with its length align contradict in the case of can make all elastic telescopics Pellet is extruded out of rotation lock core column 2 simultaneously, and then makes rotation lock core column 2 under key b drive relative to fixed lock core Post 1 is rotated, and is unlocked with realizing；So lockset also is added by the difficulty of pirate of the open simultaneously.

3rd, due to the vertical distribution relation between pellet and key is changed into parallel spaced relation, lock is greatly reduced The manufacture difficulty of tool, and eliminate the problem of active balance can not be carried out between the volume of lockset and theftproof performance；Simultaneously as Fixed pellet 4 is hidden in pellet protection pipe 3, and elastic telescopic pellet is hidden in lock core a, and is existed between the two Length complementary relationship (i.e. matching relationship), therefore add difficulty for the imitated of key b.

To optimize the structure of elastic telescopic pellet, to reduce being manufactured into for the structure of whole lockset and lockset to greatest extent This, each elastic telescopic pellet of the present embodiment includes a bullet being in axial direction installed on the root of fixing lock stem 1 The mobile pellet 6 that the root of sub-spring 5 and one is connected with the end of marble spring 5, the end of mobile pellet 6 is in marble spring 5 The lower sleeve of elastic force effect is played in groove through hole d to corresponding.

As a preferred scheme, to keep mobile pellet 6 displacement and pellet row can be extended to greatest extent Journey, the root of mobile pellet 6 is provided with a sleeve and (not shown in figure in the spacing preiection in the end of corresponding marble spring 5 Go out).Thus, mobile pellet 6 is connected with marble spring 5 using spacing preiection, ensures structural compactness between the two And continuity.

To improve the convenience to locking operation, one is provided with the periphery wall of pellet protection pipe 3 and is protected along pellet The key positioner post 7 of the axial directional distribution of pipe 3, correspondingly, offered on the periphery wall for rotating lock core column 2 for supplying key Locating dowel 7 aligns the key positioner groove 8 of sleeve.Thus, if passing through the contraposition sleeve between locating dowel 7 and key positioner groove 8 Relation, play a part of fool proof positioning between key b and lock core a, make key b only in the case of direction of insertion is correct, Fixing pellet 4 can (be specially with the elastic telescopic pellet to match：Mobile pellet 6) carry out contraposition and compress, to be opened Lock operation, otherwise it be able to can not be unlocked because of contraposition matching can not be carried out between fixed pellet 4 and mobile pellet 6.

Preferred embodiment of the present utility model is the foregoing is only, not thereby limits the scope of the claims of the present utility model, Every equivalent structure made using the utility model specification and accompanying drawing content or equivalent flow conversion, or directly or indirectly fortune Used in other related technical areas, similarly it is included in scope of patent protection of the present utility model.

Claims

1. a kind of high reliability lock, it includes lock core and key, it is characterised in that：

The lock core include one end along axis direction offer the fixing lock stem of keyhole, one be installed in keyhole and Rotation lock core column that root is rotatablely connected with fixing lock stem, several are penetratingly opened in along the axial direction for rotating lock core columns Rotate lock core column on bullets groove through hole and several roots be connected with the root of fixing lock stem and end align sleeve in The corresponding elastic telescopic pellet played in groove through hole, the end of elastic telescopic pellet described in any two is being inserted into corresponding bullet Depth after in groove through hole is unequal；

The key includes a pair sleeves in keyhole and positioned at the periphery wall and the internal perisporium of keyhole for rotating lock core column Between pellet protection pipe and several ends contraposition ground sleeve in it is corresponding bullet groove through hole in and end face and corresponding elasticity The fixation pellet that the end face of flexible pellet offsets, the root of the fixed pellet are connected with the root of pellet protection pipe, and each The fixed pellet is equal with the axial length summation of corresponding elastic telescopic pellet.

A kind of 2. high reliability lock as claimed in claim 1, it is characterised in that：Each elastic telescopic pellet is equal The marble spring being in axial direction installed in including one on the root of fixing lock stem and a root and the end phase of marble spring Mobile pellet even, the end of the mobile pellet is under the elastic force effect of marble spring in sleeve to corresponding bullet groove through hole.

A kind of 3. high reliability lock as claimed in claim 2, it is characterised in that：The root of the mobile pellet is set There is a sleeve in the spacing preiection in the end of corresponding marble spring.

A kind of 4. high reliability lock as any one of claim 1-3, it is characterised in that：The pellet protection The key positioner post of an axial directional distribution along pellet protection pipe is provided with the periphery wall of pipe, the rotation lock core column Offered on periphery wall for the key positioner groove for key positioner post contraposition sleeve.