CN203239072U

CN203239072U - Anti-theft lock cylinder

Info

Publication number: CN203239072U
Application number: CN 201320245573
Authority: CN
Inventors: 钟大森
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-05-08
Filing date: 2013-05-08
Publication date: 2013-10-16
Anticipated expiration: 2023-05-08

Abstract

The utility model discloses an anti-theft lock cylinder used for improving the safety performance of locking pieces. The anti-theft lock cylinder comprises a lock body and a lock cylinder body, wherein the lock cylinder body is arranged in the lock body and can rotate along the lock body, a plurality of rectangular marble holes which are formed in rows are formed in the lock cylinder body in the axial direction, at least four marbles are correspondingly arranged in each marble hole, the upper end of each marble is in a rectangular shape, the lower end of each marble is in a round head shape, a shifting fork is arranged inside the lock body in the axial direction, rectangular shifting fork piece insertion holes are formed in the middle of the shifting fork, shifting fork pieces which are arranged on the two sides of the shifting fork are further arranged inside the lock body, and the shifting fork pieces are inserted into the shifting fork through the shifting fork piece insertion holes in the axial direction of the lock body.

Description

A kind of anti-theft lock

Technical field

The utility model relates to lock technology field, especially relates to a kind of anti-theft lock.

Background technology

Traditional mechanical lock generally is comprised of lock body and core, and this core is arranged in the lock body, and can rotate along lock body.Be axially arranged with the marble hole of several arrangement in a rows along it in the core, correspondence is provided with a pellet in each marble hole, be axially arranged with the envelope pearl and compress spring along it in the lock body, compress between spring and the pellet and be provided with card bead, when reset condition, one end of card bead places in the lock body, the other end places in the core, when key is inserted in the core, tartar on the key makes and compresses pellet and move axially, and when moving to certain position, card bead can be ejected core by pellet, move in the lock body, impel lock body and core release; If this type of latch fitting adopts steel wire or miscellaneous part to insert unlocking port with pellet jack-up, then choose at random a key and just can be easy to lock is opened, so that the reduction of the security performance of latch fitting, easily by technical unlocking.

The utility model content

The utility model embodiment provides a kind of anti-theft lock, is used for improving the security performance of latch fitting.

A kind of anti-theft lock that the utility model embodiment provides comprises lock body and core, and this core is arranged in the lock body, and can rotate along lock body, wherein:

Be provided with vertically the marble hole of the rectangular setting of several arrangement in a rows in the described core, correspondence is provided with at least four pellets in each described marble hole, the described pellet rectangular setting in upper end, and described pellet lower end is the round end setting;

Be provided with vertically shift fork in the described lock body, be provided with the shifting fork piece jack of rectangular setting in the middle of the described shift fork, also be provided with the shifting fork piece that is arranged at described shift fork both sides in the described lock body, described shifting fork piece axially inserts described shift fork by described shifting fork piece jack along described lock body.

Further, in the described anti-theft lock, be fixed by jump ring between described shift fork and the described core.

Further, in the described anti-theft lock, also be provided with the plectrum connecting rod that couples together for described shift fork both sides shifting fork piece in the described shifting fork piece, described plectrum connecting rod runs through described shift fork along the axial setting of described lock body and by described shifting fork piece jack, and described plectrum connecting rod two ends are respectively arranged with spring.

Further, in the described anti-theft lock, be provided with vertically the pellet patchhole that is used for inserting pellet of several arrangement in a rows on the described lock body, described pellet utilizes spring and sealing plug to be fixed.

Further, in the described anti-theft lock, the marble hole of described rectangular setting is the marble hole that is square or rhombus setting.

Further, in the described anti-theft lock, the length of side of the size of described marble hole is 4.2 millimeters.

Further, in the described anti-theft lock, described shifting fork piece thickness is 3 millimeters.

As can be seen from the above technical solutions, a kind of anti-theft lock that the utility model embodiment provides has the following advantages: because the interior correspondence of marble hole is provided with at least four pellets, can effectively prevent the technical unlocking latch fitting, improve antitheft and security performance; And the inside of having simplified shift fork in the lock body arranges, and is simple in structure, also reduced the difficulty of processing of technique, further, by with the cooperating of shifting fork piece, not only can so that the user opens latch fitting, can also realize antitheft purpose.

Description of drawings

In order to be illustrated more clearly in the technical scheme of the utility model embodiment, the below will describe to embodiment the simply introduction of accompanying drawing do of required use, apparently, accompanying drawing in the following describes only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.

The structural representation sketch of a kind of anti-theft lock that Fig. 1 provides for the utility model embodiment;

The structural representation sketch of the marble hole that arranges in the anti-theft lock that Fig. 2 provides for the utility model embodiment;

The structural representation sketch of the shift fork that arranges in the anti-theft lock that Fig. 3 a to Fig. 3 c provides for the utility model embodiment;

The structural representation sketch of the shifting fork piece that arranges in the anti-theft lock that Fig. 4 provides for the utility model embodiment.

The specific embodiment

Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making all other embodiment that obtain under the creative work prerequisite, all belong to the scope of the utility model protection.

Below be elaborated respectively.

Please refer to Fig. 1, Fig. 1 is a kind of anti-theft lock that the embodiment of the invention provides, and comprises lock body 1 and core 2, and this core 2 is arranged in the lock body 1, and can rotate along lock body 1, wherein:

Be provided with vertically the marble hole 3 of the rectangular setting of several arrangement in a rows in the described core 2, each described marble hole 3 interior correspondence is provided with at least four pellets 4, described pellet upper end 41 rectangular settings, and described pellet lower end 42 is the round end setting;

Be provided with vertically shift fork 5 in the described lock body 1, be provided with the shifting fork piece jack 51 of rectangular setting in the middle of the described shift fork 5, also be provided with the shifting fork piece 6 that is arranged at described shift fork 5 both sides in the described lock body 1, described shifting fork piece 6 axially inserts described shift fork 5 by described shifting fork piece jack 51 along described lock body 1.

Be understandable that, marble hole 3 interior correspondences are provided with at least four pellets 4 and can think billiards structure, according to different scenes, on the described anti-theft lock a plurality of billiards structures can be set, and comprise at least four pellets 4 in each billiards structure, Fig. 1 is to be provided with four billiards structures on the described anti-theft lock, each billiards structure comprises four pellets 4 as signal, but the utility model is not consisted of restriction.

From the above, a kind of anti-theft lock that the utility model embodiment provides, because marble hole 3 interior correspondences are provided with at least four pellets 4, and described pellet upper end 41 rectangular settings, described pellet lower end 42 is the round end setting, can effectively prevent the technical unlocking latch fitting, improve antitheft and security performance; And the interior inside of having simplified shift fork 5 of lock body 1 arranges, and is simple in structure, also reduced the difficulty of processing of technique, further, by with the cooperating of shifting fork piece 6, not only can so that the user opens latch fitting, can also realize antitheft purpose.

Please in conjunction with reference to figure 2, the structural representation sketch of the marble hole 3 that arranges in the anti-theft lock that Fig. 2 provides for the utility model embodiment; Described marble hole 3 can arrange a plurality of, arrangement in a row in axial direction in described core 2; Described marble hole 3 rectangular settings, preferably, the marble hole 3 that can arrange for being square or rhombus is understandable that the size of each marble hole 3 arranges identical, its length of side is 4.2 millimeters, can think square or the rhombus of 4.2*4.2; In some embodiments, described marble hole 3 can all be set to the square of 4.2*4.2, also can all be set to the rhombus of 4.2*4.2, also can a part of be set to the square of 4.2*4.2, a part is set to the rhombus of 4.2*4.2, as shown in Figure 2, the present invention does not do concrete restriction to this.

Further, each described marble hole 3 interior correspondence can be provided with four or five or more pellet 4, and namely billiards structure is group pearl structure, can be as shown in Figure 2; With respect to a pellet only is set in each described marble hole in the prior art, each described marble hole 3 interior correspondence arranges a plurality of pellets 4 among the utility model embodiment, when the pellet 4 that has by jack-up, but the pellet 4 that also has may also be in original position, can improve the theftproof of latch fitting; In addition, the rectangular setting in pellet 4 upper ends, the lower end is the round end setting, when inserting with Key 12 by jack-up.

Preferably, place top two pellets 4 can adopt alloy steel, namely top two pellets 4 are removable anti-drilling pearl, and this setting is not only and is added strong hardness, and can produce swing under external force, bore moving to prevent from being conducted heat.

Be understandable that the marble hole 4 of arrangement in a row in axial direction in the corresponding core 2 is provided with the pellet patchhole 10 that is used for inserting pellet 4 of several arrangement in a rows vertically on the described lock body 1; After pellet 4 inserted lock body 1 from pellet patchhole 10, described pellet 4 utilized spring 9 and sealing plug 11 to be fixed, such as Fig. 1.

Among the utility model embodiment, be fixed by jump ring 7 between described shift fork 5 and the described core 2.

Be understandable that, such as Fig. 1, described lock body 1 interior can being provided with for the breach that shift fork 5 is installed, can be in the lump with reference to figure 3a to Fig. 3 c, wherein, the stereochemical structure simplified schematic diagram of the shift fork 5 that arranges in the anti-theft lock that Fig. 3 a provides for the utility model embodiment, Fig. 3 b is the front view of the shift fork 5 that arranges in this anti-theft lock, Fig. 3 c is the lateral view of the shift fork 5 that arranges in this anti-theft lock, described shift fork 5 both sides also are provided with the groove 52 that positions for to described core 2, after 2 assemblings of described shift fork 5 and described core, by jump ring 7 so that described shift fork 5 be fixed between the both sides core 2; Be provided with the shifting fork piece jack 51 of rectangular setting in the middle of the described shift fork 5, being used for shifting fork piece 6 inserts, can be with reference to figure 4, the structural representation sketch of the shifting fork piece 6 that arranges in the anti-theft lock that Fig. 4 provides for utility model embodiment, described shifting fork piece 6 is the cuboid setting, matches with described shift fork 5, described shifting fork piece 6 axially inserts described shift fork 5 by described shifting fork piece jack 51 along described lock body 1, as shown in Figure 1, in the utility model embodiment, described shifting fork piece 6 thickness are 3 millimeters.

Further, also be provided with the plectrum connecting rod 8 that couples together for described shift fork 5 both sides shifting fork pieces 6 in the described shifting fork piece 6, described plectrum connecting rod 8 runs through described shift fork 5 along described lock body 1 axial setting and by described shifting fork piece jack 51, and described plectrum connecting rod 8 two ends are respectively arranged with spring 9.Be understandable that described shifting fork piece 6 inside are provided with half through hole 61 of placing described plectrum connecting rod 8, two ends spring 9 utilizes sealing plug to be fixed; In the present embodiment, the radius of described half through hole 61 can be set to 1 millimeter; When anti-theft lock is in when not inserting key 12 state, the shifting fork piece 6 on described shift fork 5 both sides does not insert described shifting fork piece jack 51, when anti-theft lock is in key 12 states that insert, namely insert on one side from anti-theft lock when key 12, described billiards structure contacts with key 12, when key 12 is inserted into when contacting with one side of shifting fork piece 6, the shifting fork piece 6 that this side is arranged advances described shift fork 5, and drive plectrum connecting rod 8 motions in the shifting fork piece 6 and compress the spring 9 that opposite side arranges, spring 9 sets back to reach on one side, spring 9 is the purpose of compression on one side, Yi Bian the state of namely unblanking another side locking.

Be understandable that Yi Bian the anti-theft lock that the utility model embodiment provides can be applied to for the door and window that lock handle or both sides installation lock handle is installed, table cabinet etc. the place of lockset, present embodiment is not done concrete restriction to its concrete application.

In the anti-theft lock that the utility model embodiment provides in addition, described lock body 1 integral body and core 2 can not only can improve working (machining) efficiency by extrusion modling, can also guarantee machining accuracy, save material; And shift fork 5 is simple in structure, by the powder metallurgy manufacturing, arranges rationally and be not easy to occur to open fault;

What can expect easily is, because each described marble hole 3 interior correspondence is provided with at least four pellets 4, therefore described key 12 can be based on this design and change improvement, is used in conjunction with each other with described anti-theft lock, and the utility model is not done concrete restriction to this.

From the above, a kind of anti-theft lock that the utility model embodiment provides, because marble hole 3 interior correspondences are provided with at least four pellets 4, and described pellet upper end 41 rectangular settings, described pellet lower end 42 is the round end setting, can effectively prevent the technical unlocking latch fitting, improve antitheft and security performance; And the interior inside of having simplified shift fork 5 of lock body 1 arranges, and is simple in structure, also reduced the difficulty of processing of technique, by with the cooperating of shifting fork piece 6, not only can so that the user opens latch fitting, can also realize antitheft purpose.

More than a kind of anti-theft lock provided by the utility model is described in detail, for one of ordinary skill in the art, thought according to the utility model embodiment, all will change in specific embodiments and applications, in sum, this description should not be construed as restriction of the present utility model.

Claims

1. an anti-theft lock comprises lock body and core, and this core is arranged in the lock body, and can rotate along lock body, it is characterized in that:

2. anti-theft lock according to claim 1 is characterized in that, is fixed by jump ring between described shift fork and the described core.

3. anti-theft lock according to claim 1, it is characterized in that, also be provided with the plectrum connecting rod that couples together for described shift fork both sides shifting fork piece in the described shifting fork piece, described plectrum connecting rod runs through described shift fork along the axial setting of described lock body and by described shifting fork piece jack, and described plectrum connecting rod two ends are respectively arranged with spring.

4. anti-theft lock according to claim 1 is characterized in that, is provided with vertically the pellet patchhole that is used for inserting pellet of several arrangement in a rows on the described lock body, and described pellet utilizes spring and sealing plug to be fixed.

5. according to claim 1 to 4 each described anti-theft locks, it is characterized in that the marble hole of described rectangular setting is the marble hole that is square or rhombus setting.

6. anti-theft lock according to claim 5 is characterized in that, the length of side of the size of described marble hole is 4.2 millimeters.

7. according to claim 1 to 4 each described anti-theft locks, it is characterized in that described shifting fork piece thickness is 3 millimeters.