CN2615261Y

CN2615261Y - Antitheft lock cylinder structure

Info

Publication number: CN2615261Y
Application number: CN 03231288
Authority: CN
Inventors: 张肇家
Original assignee: 张肇家
Current assignee: Zhang Yangqia
Priority date: 2003-05-16
Filing date: 2003-05-16
Publication date: 2004-05-12
Anticipated expiration: 2013-05-16

Abstract

The utility model provides a lock heart theftproof conformation, which substantially has an orbit with a bending radian formed between the inside of a lock hole of a lock plug and a lower bead chamber and forms a bending plane offsetting the center of the lock hole on at least one side, and conical tips of several lower pin bead columns hold out the lower bead chamber and are arranged between walls of the lock hole, and a control valve with conical tip is equipped on another corresponding end in the lock hole on the bending plane, therefore, a key simultaneously provided with a relative orbit bending and a gap corresponding to the conical tip is required to achieve the purpose of unlock, thereby greatly possessing high-safety theftproof effect.

Description

The core theft-prevention structure

Technical field

The utility model relates to a kind of theft-prevention structure, refers to a kind of core theft-prevention structure that can significantly increase the difficulty that is cracked especially.

Background technology

As shown in Figure 1, it mainly is made of the locked cock 12 that a cylinder shell 11 and is installed with at this cylinder shell 11 by general core 1, wherein 12 of this cylinder shell 11 and locked cocks have the upper bead chamber 13 and lower bead chamber 14 of intercommunication, for array lower pellet column 131, after last pellet column 141 is inserted by upper bead chamber 13 in regular turn with spring 15, cover with buckle lid 16 again, and this cylinder shell 11 has a through hole 111, and after locked cock 12 stretched into this through hole 111, fixed by C clamp 17 in end again, therefore if when desiring to unblank (shown in Figure 1A), then need with the pellet column 141 on each that coincide, the key that makes it to go deep into fully upper bead chamber 13 passes formed tracks 18 in the lockhole 121 of locked cock 12, and make 12 parallel formation of this cylinder shell 11 and locked cock space, can reach the purpose of unblanking;

But because track 18 is linearly to connect shape between above-mentioned general core,, also may directly connect this track 18 compressing each lower pellet column 131 therefore if use the object that is the vertical bar shape as iron wire etc., and easy crack still;

Thereby, how a kind of core structure-improved is provided, to increase unworthy purlonier's the difficulty that cracks, be the utility model designer's research and development motivation place.

Summary of the invention

The purpose of this utility model is to provide a kind of core theft-prevention structure, and it mainly is a disadvantage of improving the core track structure that in the past linearly connects shape, with effective raising anti-theft effect.

The utility model is made of the locked cock that a cylinder shell and is installed with at this cylinder shell, the upper bead chamber and the lower bead chamber that wherein have intercommunication between this cylinder shell and locked cock, insert by upper bead chamber in regular turn for array lower pellet column, last pellet column and spring, be provided with lockhole at locked cock one end, confession one is opened the key plant and is gone into, and it is characterized in that:

In the lockhole of this locked cock and form the track of tool crooked radian between lower bead chamber, and form the bending side at this lockhole center of skew with at least one side, and lower bead chamber is stretched out at the awl tip of described lower pellet column and to be arranged in the wall of lockhole intermarginal, the length at this awl tip is in regular turn towards this bending side polymerization, and the correspondence of lockhole inner bending face in addition end be provided with the most advanced and sophisticated control valve of tool awl, make this unlatching key need have the crooked radian of aforementioned relatively track simultaneously, and the supporting breach and could open of corresponding each end pearl post and control valve cone tip.

Core theft-prevention structure provided by the utility model is compared with known techniques and is had more following advantage:

1, need possess the key that supports breach that relative orbit flexibility and corresponding awl point are arranged simultaneously, can reach the purpose of unlatching, and have safety.

2, can prevent effectively that the flexual instrument of tool such as iron wire from invading.

3, tool industrial utilization.

Description of drawings

Fig. 1 is the stereogram of known core.

Figure 1A is the sectional view of known core.

Fig. 2 is a stereogram of the present utility model.

Fig. 3 is the utility model at the sectional view of opening before key (level to) inserts.

Fig. 3 A be among the utility model Fig. 3 by the lockhole direction look lateral view.

Fig. 4 is the utility model at the sectional view of opening after key (level to) inserts.

Fig. 5 be the utility model with another curved in tracks towards enforcement sectional view (level is to opening).

To be the utility model open sectional view after key (vertically to) inserts in another kenel to Fig. 6.

Fig. 6 A be among the utility model Fig. 6 by the lockhole direction look lateral view.

Fig. 7 be the utility model with another curved in tracks towards enforcement sectional view (vertically to opening).

The specific embodiment

Be described as follows for making the convenient content of the present utility model of understanding, reach the effect that can reach, existing conjunction with figs. and specific embodiment, introducing in detail:

As shown in Figure 2, the utility model provides a kind of core theft-prevention structure, it mainly comprises the locked cock 3 that a cylinder shell 2 and is installed with at this cylinder shell 2 and constitutes, wherein 3 of this cylinder shell 2 and locked cocks have the upper bead chamber 21 and lower bead chamber 31 of intercommunication, for pearl post 32 under the array, last pellet column 22 is inserted by upper bead chamber 21 in regular turn with spring 23, promptly cover at locked cock 3 one ends and be provided with lockhole 33 by buckle, confession one is opened key A plant and is gone into, and of the present utility model being covered, and locked cock 3 stretched into cylinder shell 2, fixed (because of above-mentioned detailed connection compound mode is the known technology that is easy to reach by C clamp 25 again, so do not repeat them here), be (please cooperate simultaneously and consult shown in Fig. 3 and Fig. 3 A, it is to be example with level to plant) with principal character;

Lockhole 33 interior and 31 tracks 4 that form the tool crooked radian of lower bead chamber of this locked cock 3, it forms the bending concave face 41 at these lockhole 33 centers of skew at least one side, and lower bead chamber 31 is stretched out at the awl tip 321 of these several lower pellet columns 32 and to be arranged in the wall of lockhole 33 intermarginal, the length of this awl most advanced and sophisticated 321 in regular turn towards this concave face 41 be gradually short subtract poly-, and at the correspondence of this concave face 41 in lockhole 33 body opening 331 outside in addition end is provided with, be positioned wherein by spring 52 for a control pellet column 51, and form a control valve 5, and also stretch out an awl most advanced and sophisticated 53;

Pass through said structure, if when desiring to make locked cock 3 to rotate and when unblanking 2 of cylinder shells, then need in the unlatching key A of the relative flexibility of tool (please cooperate consult shown in Figure 4) to be provided with awl most advanced and sophisticated 53 corresponding breach A1 of supporting with lower pellet column 32 and control valve 5, so can compress pellet column 22 simultaneously breaks away from lower bead chamber 31 and stretches into upper bead chamber 21, make 3 formation of this lock housing body 2 and locked cock trim shiny surface, thereby rotate this locked cock 3, and reach the purpose of unlatching;

So if the key of opening when the desire corresponding flexibility of tool not, promptly can't make locked cock 3 in 2 rotations of cylinder shell, even if use and have pliability and flexible instrument (as iron wire), still can be fastened the most advanced and sophisticated 321 wall edge of awl of the lower pellet column of holding in addition at concave face 41 32, and because control valve 5 is compressed, and can't reach the purpose of unlatching equally, and has antitheft high security;

Shown in Fig. 6 and Fig. 6 A, for using another kenel, the utility model opens the embodiment sectional view of key B (vertically to), wherein another kenel unlatching key B also need have the flexibility (seeing also shown in Figure 4) with respect to track 4, and also be provided with the awl most advanced and sophisticated 53 corresponding breach B1 of supporting with lower pellet column 32 and control valve 5, so can compress pellet column 22 simultaneously breaks away from lower bead chamber 31 and stretches into upper bead chamber 21, make 3 formation of this lock housing body 2 and locked cock trim shiny surface, thereby rotate this locked cock 3, and reach the purpose of unlatching;

Fig. 5 and for example, shown in Figure 7, for the utility model track 4 (comprise level to vertical to opening) towards another curved in tracks towards enforcement kenel sectional view, wherein this track 4 can oppositely be bent into the face of protruding out 42 at skew lockhole 33 centers, and lower bead chamber 31 is stretched out at the awl tip 321 of these several lower pellet columns 32 and to be arranged in the wall of lockhole 33 intermarginal, the length of this awl most advanced and sophisticated 321 protrudes out face 42 towards this in regular turn and is gradually long expansion, and this protrude out the correspondence of face 42 in lockhole 33 in addition end also be provided with control valve (figure does not show), thereby between the face of protruding out 42 and this control valve, form the intrusion state of forbidding manufacture that prevents;

Moreover, stretch out in most advanced and sophisticated 321 both sides of the awl of the lower pellet column 32 of lockhole 33 and be provided with limited post 332 (as shown in Figure 3A) or groove 334 (as shown in Figure 6A), preventing that article such as iron wire are difficult for the awl tip 321 of its lower pellet columns 32 of pushing and pressing, and improper unlatching has convenient and practical effect in fact.

In sum, the utility model is being broken through under the prior art configurations, reached the effect that institute's desire is promoted really, and on the kenel of space, really belonged to innovation, and also non-ly be familiar with this operator and be easy to expect, moreover, before the utility model application not openly.

But the above only is the utility model one preferable possible embodiments, non-so promptly limit to claim of the present utility model, so use the utility model manual and diagramatic content such as or do not break away from the equivalent structure that its technical spirit is done, directly or indirectly be used in other correlative technology field, all in like manner all should be included in the spiritual category of the utility model creation.

Claims

1, a kind of core theft-prevention structure, it is made of the locked cock that a cylinder shell and is installed with at this cylinder shell, the upper bead chamber and the lower bead chamber that wherein have intercommunication between this cylinder shell and locked cock, insert by upper bead chamber in regular turn for array lower pellet column, last pellet column and spring, be provided with lockhole at locked cock one end, confession one is opened the key plant and is gone into, and it is characterized in that:

2, core theft-prevention structure according to claim 1 is characterized in that this control valve comprises that control pellet column and spring form, and is positioned the lockhole track with respect to the formed outer body opening of holding in addition of bending side.

3, core theft-prevention structure according to claim 1, the awl tip length that it is characterized in that this lower pellet column is according to the bending side direction and to be the poly-arrangement in regular turn of subtracting of convergent.

4, core theft-prevention structure according to claim 1 is characterized in that the awl tip length of this lower pellet column is arranged to be gradually long expansion in regular turn according to the bending side direction.