CN201190455Y - Dual idle lock core - Google Patents
Dual idle lock core Download PDFInfo
- Publication number
- CN201190455Y CN201190455Y CNU2008200847183U CN200820084718U CN201190455Y CN 201190455 Y CN201190455 Y CN 201190455Y CN U2008200847183 U CNU2008200847183 U CN U2008200847183U CN 200820084718 U CN200820084718 U CN 200820084718U CN 201190455 Y CN201190455 Y CN 201190455Y
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- China
- Prior art keywords
- slide block
- blade
- core body
- edge
- axial groove
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- Expired - Fee Related
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Abstract
The utility model relates to a double idling lock core which comprises a lock shell and a core rotatablely connected with the lock shell. A plurality of leaf blades which can rotate are parallel arranged in an inner cavity of the core at intervals and key holes are arranged on the leaf blades. An axial groove is arranged in the wall of the core, and a slide block with a small spring at the upper end is arranged in the axial groove. The edge of the slide block is in shape of a battlement and is provided with spacing notches which are corresponding to the leaf blades, and the edges of the leaf blades are provided with gaps corresponding to lug bosses of the edge of the slide block. A return piece is arranged at the lower end of the inner cavity of the core, and the lower end of the slide block is matched with the return piece to form a slide block shifting buckling unlocking structure. The utility model has reasonable structure and various forms, and the leaf blades are correspondingly arranged at the notches of the slide block at the common state. The insertion of an unoriginal key or a special tool into the lock to toughly turn causing the 360 degrees idling of the leaf blades, and the core can not be rotated to unlock. Even if an original key is adopted, the return piece is not propped up or rotated correctly causing the slide block to shift to buckle gaps of the leaf blades, and the leaf blades also idle. The torsionproof performance is good.
Description
Technical field:
The utility model relates to a kind of lock core.
Background technology:
The blade of general lock core the inside when common state or pellet shot from a slingshot and core body keep cooperating, and can not dally, and insert the just rotatable core body of key twisting and unblank, and are easy to utilize instrument to turn on lock by force like this, and theftproof performance is poor.
Summary of the invention:
At the deficiencies in the prior art, it is a kind of rational in infrastructure that the utility model provides, and can prevent the dual idle-run lock pin of turning round by force.
The utility model comprises lock housing and the core body that is rotationally connected, be arranged with the multi-disc rotatable blade in the inner chamber of core body at interval in parallel, blade is provided with keyhole, be provided with axial groove in the core body inwall, the slide block of upper end band little spring places axial groove, this shoe edge is the battlement shape, be provided with and each leaf position corresponding intervals recess, then be provided with the lug boss correspondence of breach and shoe edge on the outer rim of each blade, the return spare of band back-moving spring is positioned at core body inner chamber lower end, and the lower end of slide block and return spare cooperate the displacement of formation slide block to engage the structure of unblanking.
Another kind of form of structure of the present utility model is that the return spare that the center is provided with keyhole is positioned at core body inner chamber lower end, and the end face of return spare is provided with the pit of band slope transition, and the end of slide block then constitutes slide block displacement engaging structure of unblanking with this pit dynamic fit.
The lower end that another form of structure of the present utility model is core body is rotatably connected to return spare, and the end face of this return spare is provided with the pit of band slope transition, and the bottom of slide block then constitutes the slide block displacement with this pit dynamic fit and engages the structure of unblanking.
Of the present utility model to also have a kind of form of structure be also to be provided with bulge loop on the inwall of lock housing, and this bulge loop is provided with the pit of band slope transition, and the bottom of slide block then constitutes slide block displacement engaging structure of unblanking with this pit dynamic fit.
Of the present utility model rational in infrastructure, various informative, each blade correspondence when common state is positioned at the indent of slide block, inserts to turn round by force with non-original key or profile tool blade 360 is spent dally, can't rotate core body and unblank.Even the employing original key does not have the correct breach that return spare is backed down or rotates and then impel each blade of slide block displacement engaging, blade also is idle running, and it is good to prevent turning round performance.And blade can adopt high hard material, also can prevent to open with the instrument brill, and is antitheft very reliable.
Further specify the utility model below in conjunction with drawings and Examples.
Description of drawings:
Fig. 1 is the main structure schematic diagram of embodiment 1;
Fig. 2 is the A-A sectional drawing of Fig. 1;
Fig. 3 is the unlocking condition schematic diagram of Fig. 1;
Fig. 4 is the B-B sectional drawing of Fig. 3;
Fig. 5 is the main structure schematic diagram of embodiment 2;
Fig. 6 is the vertical view of return spare among Fig. 5;
Fig. 7 is the upward view of Fig. 6;
Fig. 8 is the mated condition schematic diagram of return spare and slide block among the embodiment 2;
Fig. 9 is another form figure of Fig. 5;
Figure 10 is the main structure schematic diagram of embodiment 3;
Figure 11 is the main structure schematic diagram of embodiment 4;
Figure 12 is the main structure schematic diagram of lock housing among Figure 11;
Figure 13 is the vertical view of Figure 12.
The specific embodiment:
Embodiment 1: as depicted in figs. 1 and 2, core body 1 places in the lock housing 2 and is rotationally connected, and is arranged with multi-disc rotatable blade 3 in parallel at interval in the inner chamber of core body 1, and blade 3 is provided with keyhole 4.Be provided with axial groove 7 in core body 1 inwall, the slide block 5 of upper end band little spring 6 places axial groove 7, these slide block 5 edges are the battlement shape, are provided with and each blade 3 position corresponding intervals recesses 8, then are provided with the lug boss correspondence at breach 9 and slide block 5 edges on the outer rim of each blade 3.The return spare 10 of band back-moving spring 11 is positioned at core body 1 inner chamber lower end, and the lower end of slide block 5 and return spare 10 cooperate the displacement of formation slide block to engage the structure of unblanking.Usually when unlocking condition not, return spare 10 is pressed to core body 1 upper end with slide block 5, and the edge correspondence of each blade 3 places each recess 8 place of slide block 5, turns round even inserted the keyhole semi-finals by instrument, also only can 360 degree idle-run laminas 3, and can't rotate core body 1 and unblank.
When insertion original key 15 is unblanked, as shown in Figure 3 and Figure 4, inwardly press return spare 10 simultaneously at key 15 tops, twisting key 15 rotates each blade 3, when the breach 9 of each blade 3 forms same straight line, slide block 5 moves down at little spring 6 effect lower edge axial grooves 7, and the edge protuberance portion of slide block 5 is sticked in the breach 9 of each blade 3, blade 3, slide block 5 and core body 1 can be rotated together during key 15 so again and unblank.After extracting key 15, return spare 10 is return under back-moving spring 11 effects, simultaneously slide block 5 is upwards ejected, and common state is replied at corresponding again recess 8 places that place slide block 5, each blade 3 edge like this.
Present embodiment is provided with locating hole 12 on the inner end of lock housing 2, the upper end of slide block 5 prolongs and locating hole 12 corresponding cooperations constitute the anti-ruggedized construction of turning round.The upper end extension of slide block 5 is inserted in the locating hole 12 of lock housing 2 when unlocking condition not like this, makes core body 1 and lock housing 2 relative positionings, can reinforce anti-ly to turn round performance, is convenient to key 15 again and reverses return and determine.In fact, can on return spare 10, be provided with magnetite and substitute little spring 6, same removable slide block 5 with slide block 5 corresponding positions.And, can also on return spare 10 and core body 1 bottom, establish the magnetite that repels each other respectively, same alternative back-moving spring 11 plays elastic reset.
Embodiment 2: extremely shown in Figure 7 as Fig. 5, the return spare 10 that the center is provided with keyhole 4 is positioned at core body 1 inner chamber lower end, the end face of return spare 10 is provided with the pit 13 of band slope transition, the end of slide block 5 then constitutes the slide block displacement with these pit 13 dynamic fit and engages the structure of unblanking, and big of all the other structures are identical with embodiment 1.In fact, as shown in Figure 9, return spare 10 also can be positioned at core body 1 inner chamber upper end, and 6 of little springs are positioned at slide block 5 lower ends, keep slide block 5 is pressed to return spare 10.
When inserting key unlocking, blade 3 and return spare 10 all rotate, when the breach 9 of each blade 3 forms same straight line, slide block 5 moves at little spring 6 effect lower edge axial grooves 7, as shown in Figure 8, the end of slide block 5 then moves in the pit 13 of return spare 10, and the edge protuberance portion of slide block 5 is sticked in the breach 9 of each blade 3, blade 3, slide block 5 and core body 1 can be rotated together and unblank.When the key back twist shuts, by the slope transition and the cooperation of slide block 5 ends of pit 13, slide block 5 is retracted, common state is replied at corresponding again recess 8 places that place slide block 5, each blade 3 edge like this.If insert other instrument twisting, because the breach 9 of each blade 3 can not form same straight line, slide block 5 does not move, and can only make blade 3 and 10 idle running of return spare.
Embodiment 3: as shown in figure 10, the lower end of core body 1 is rotatably connected to return spare 10, the end face of this return spare 10 is provided with the pit 13 of band slope transition, and the bottom of slide block 5 then constitutes the slide block displacement with these pit 13 dynamic fit and engages the structure of unblanking, and all the other structures are with embodiment 2.
The process of inserting key open and close lock is similar with embodiment 2, also utilizes the pit 13 of return spare 10 and the cooperation of slide block 5 ends to carry out.But during the twisting key, just rotate each blade 3 earlier, after slide block 5 displacements return spare 10 is rotated and unblank.Similarly, present embodiment also can be provided with locating hole 12 on the inner end of lock housing 2, and the upper end of slide block 5 prolongs and locating hole 12 corresponding cooperations, is convenient to the revolution relative positioning of return spare 10 and slide block 5.
Embodiment 4: extremely shown in Figure 13 as Figure 11, also be provided with bulge loop 14 on the inwall of lock housing 2, this bulge loop 14 is provided with the pit 13 of band slope transition, and the bottom of slide block 5 then constitutes the slide block displacement with these pit 13 dynamic fit and engages the structure of unblanking, and all the other structures are with embodiment 1.General bulge loop 14 and lock housing 2 are integral structure, and the production assembling is more convenient.
When inserting key unlocking, the twisting key just rotates each blade 3 earlier, when the breach 9 of each blade 3 forms same straight line, slide block 5 moves at little spring 6 effect lower edge axial grooves 7, the end of slide block 5 then moves in the pit 13 of bulge loop 14, the edge protuberance portion of slide block 5 is sticked in the breach 9 of each blade 3, blade 3, slide block 5 and core body 1 can be rotated together and unblank.When the key back twist shuts, by the slope transition and the cooperation of slide block 5 ends of pit 13, slide block 5 is retracted, common state is replied at corresponding again recess 8 places that place slide block 5, each blade 3 edge like this.If insert other instrument twisting, because the breach 9 of each blade 3 can not form same straight line, slide block 5 does not move, and can only make blade 3 idle running, and core body 1 can not change.
Similarly, present embodiment also can be provided with locating hole 12 on the inner end of lock housing 2, and the upper end of slide block 5 prolongs and locating hole 12 corresponding cooperations, is convenient to the pit 13 on the bulge loop 14 and the revolution relative positioning of slide block 5.
Claims (8)
1, a kind of dual idle-run lock pin, comprise lock housing and the core body that is rotationally connected, be arranged with the multi-disc rotatable blade in the inner chamber of core body at interval in parallel, blade is provided with keyhole, it is characterized by: be provided with axial groove (7) in core body (1) inwall, the slide block (5) of upper end band little spring (6) places axial groove (7), this slide block (5) edge is the battlement shape, be provided with and each blade (3) position corresponding intervals recess (8), then be provided with the lug boss correspondence at breach (9) and slide block (5) edge on the outer rim of each blade (3), the return spare (10) of band back-moving spring (11) is positioned at core body (1) inner chamber lower end, and the lower end of slide block (5) and return spare (10) cooperate the displacement of formation slide block to engage the structure of unblanking.
2, dual idle-run lock pin according to claim 1 is characterized by: be provided with locating hole (12) on the inner end of lock housing (2), the upper end of slide block (5) prolongs corresponding cooperation with locating hole (12) and constitutes the anti-ruggedized construction of turning round.
3, dual idle-run lock pin according to claim 1 and 2 is characterized by: go up and slide block (5) corresponding position is provided with the alternative little spring (6) of magnetite at return spare (10).
4, a kind of dual idle-run lock pin, comprise lock housing and the core body that is rotationally connected, be arranged with the multi-disc rotatable blade in the inner chamber of core body at interval in parallel, blade is provided with keyhole, it is characterized by: be provided with axial groove (7) in core body (1) inwall, the slide block (5) of upper end band little spring (6) places axial groove (7), this slide block (5) edge is the battlement shape, be provided with and each blade (3) position corresponding intervals recess (8), then be provided with the lug boss correspondence at breach (9) and slide block (5) edge on the outer rim of each blade (3), the return spare (10) that the center is provided with keyhole (4) is positioned at core body (1) inner chamber lower end, the end face of return spare (10) is provided with the pit (13) of band slope transition, and the end of slide block (5) then constitutes the slide block displacement with this pit (13) dynamic fit and engages the structure of unblanking.
5, dual idle-run lock pin according to claim 4 is characterized by: return spare (10) is positioned at core body (1) inner chamber upper end, and little spring (6) then is positioned at slide block (5) lower end.
6, a kind of dual idle-run lock pin, comprise lock housing and the core body that is rotationally connected, be arranged with the multi-disc rotatable blade in the inner chamber of core body at interval in parallel, blade is provided with keyhole, it is characterized by: be provided with axial groove (7) in core body (1) inwall, the slide block (5) of upper end band little spring (6) places axial groove (7), this slide block (5) edge is the battlement shape, be provided with and each blade (3) position corresponding intervals recess (8), then be provided with the lug boss correspondence at breach (9) and slide block (5) edge on the outer rim of each blade (3), the lower end of core body (1) is rotatably connected to return spare (10), the end face of this return spare (10) is provided with the pit (13) of band slope transition, and the bottom of slide block (5) then constitutes the slide block displacement with this pit (13) dynamic fit and engages the structure of unblanking.
7, a kind of dual idle-run lock pin, comprise lock housing and the core body that is rotationally connected, be arranged with the multi-disc rotatable blade in the inner chamber of core body at interval in parallel, blade is provided with keyhole, it is characterized by: be provided with axial groove (7) in core body (1) inwall, the slide block (5) of upper end band little spring (6) places axial groove (7), this slide block (5) edge is the battlement shape, be provided with and each blade (3) position corresponding intervals recess (8), then be provided with the lug boss correspondence at breach (9) and slide block (5) edge on the outer rim of each blade (3), also be provided with bulge loop (14) on the inwall of lock housing (2), this bulge loop (14) is provided with the pit (13) of band slope transition, and the bottom of slide block (5) then constitutes the slide block displacement with this pit (13) dynamic fit and engages the structure of unblanking.
8, dual idle-run lock pin according to claim 7 is characterized by: bulge loop (14) and lock housing (2) are integral structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200847183U CN201190455Y (en) | 2008-03-29 | 2008-03-29 | Dual idle lock core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200847183U CN201190455Y (en) | 2008-03-29 | 2008-03-29 | Dual idle lock core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201190455Y true CN201190455Y (en) | 2009-02-04 |
Family
ID=40334614
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200847183U Expired - Fee Related CN201190455Y (en) | 2008-03-29 | 2008-03-29 | Dual idle lock core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201190455Y (en) |
-
2008
- 2008-03-29 CN CNU2008200847183U patent/CN201190455Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090204 Termination date: 20100329 |