CN103132805B - Engineering lock - Google Patents
Engineering lock Download PDFInfo
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- CN103132805B CN103132805B CN201310059028.8A CN201310059028A CN103132805B CN 103132805 B CN103132805 B CN 103132805B CN 201310059028 A CN201310059028 A CN 201310059028A CN 103132805 B CN103132805 B CN 103132805B
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- vane group
- blade
- spoon
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Abstract
The invention discloses an engineering lock comprising a lock shell (1). A rotatable lock cylinder (2) is arranged in the lock shell (1), a key hole (21) and blade slots (22) are arranged in the lock cylinder (2), and blade groups (3) are arranged in the blade slots (22). The engineering lock is characterized in that the blade groups (3) include engineering blades (3a), and a breakage structure (34) is arranged on the engineering blades (3a).The blade groups (3) can be unlocked by both an engineering key and a user key before the breakage structure is broken, and the blade groups (3) can be unlocked and the lock cylinder (2) can be rotated only by the user key after the breakage structure is broken. A rebounding device (4) is arranged in the lock cylinder (2) to push the blade groups (3) to be reset.
Description
[technical field]
The present invention relates to a kind of engineering lock.
[background technology]
People have purchased new house, general Yao Qing decoration company visits finishing, must the key in house to finishing personnel during finishing, people know that engineering lock divides user's spoon, engineering spoon two keys, engineering spoon is to finishing personnel, and user's spoon is left user oneself for and used, after house decoration is complete, house owner opens once door with user's spoon, and engineering spoon just fails and again do not open door.
Chinese patent CN200610082172.3 application discloses that the engineering loch head of anti-technology and destruction, he is the tapered end at lock core, or be provided with engineering pellet in the tapered end being provided with pellet, engineering pellet is placed in key through hole with the end face of key contact, if or be placed on by lock shell and baffle plate block and be hidden in cannelure and access opening in, engineering pellet there are two grooves contacted with hole slot same on spring leaf, or the stopper slot to contact with gag lever post, the other end of engineering pellet and spring contact, or and Special embolus, the engineering bolt that locking lock core rotates, spring progressive contact, engineering key is decoration worker's use, and private key is that householder uses.
The structure of what existing engineering lock adopted is all spring and pellet realizes, and this structure installment gets up very inconvenient, and complex process, produce very large cost, and theftproof is not strong.
[summary of the invention]
In order to solve deficiency of the prior art, provide a kind of easy for installation, technique is simple, the engineering lock that with low cost and theftproof is strong.The technical solution used in the present invention is:
A kind of engineering lock, include lock housing, rotating lock gall is provided with in described lock housing, keyhole and blade groove is provided with in described lock gall, vane group is placed with in described blade groove, engineering blade is included in described vane group, described engineering blade is provided with destruction structure, described destruction structure is before being destroyed, engineering spoon and user's spoon all can untie vane group, and only can untie with user's spoon the destruction structure that vane group rotates lock gall after destroying, in described lock gall, be also provided with the resilient mounting that can promote vane group and reset.
The cooperation adopting engineering blade to replace existing pellet and spring realizes the function of engineering lock, and its processing is simple, and safety is high, and easily realizes, and is convenient to assembling, cost of production is reduced greatly.
Described vane group is provided with the passage inserted for key, bottom described vane group, is provided with breach, described vias inner walls is provided with and coordinates the number plate of unblanking with tooth form on the key, be provided with flange on described vane group top.
With on the inwall of key contacts side surfaces on the passage that described destruction structure is located at engineering blade.
Described destruction structure is bulge-structure.
Described bulge-structure and vias inner walls junction are provided with the gap easily making bulge-structure destroy.
Protruding effect is equivalent to number plate, coordinate with key teeth shape and play positioning action, and coordinate with the one side of key toothless type in engineering blade protrusions, because engineering spoon is identical with user's spoon toothless type side width, engineering blade after being located by projection is just in time in lockset position of coupler, and the number plate that engineering blade coordinates with tooth form is on the key in the gap between tooth form, ensures that key is not stopped after inserting like this, ensure that engineering blade is in lockset position of coupler simultaneously.
In described lock housing, be provided with groove, be provided with in described groove and block vane group and the limit coordinated with breach is sold and jack-up can be sold in limit and make it enter lock gall completely thus realize the elastic component of unblanking.
Described resilient mounting is spring.
Described spring one end top is pressed on the inwall of lock gall, and other end top is pressed on the flange on vane group top.
Described elastic component is shell fragment.
Adopt the engineering lock of said structure, it is protruding that a needs increases by a fritter on the blade of original lock core, is that the number plate on it is simultaneously inoperative on user's spoon and engineering spoon, removes protruding rear number button and just can mismatch with engineering lock thus realize antitheft.Its structure is simple, and easy to process, quick for installation, what make is cheap for manufacturing cost, and many groups can be used to improve antitheft coefficient, strengthens anti-theft feature.
[accompanying drawing explanation]
Fig. 1 is tapered end explosive view of the present invention.
Fig. 2 is individual blade topology view in vane group of the present invention.
Fig. 3 is engineering blade structure scheme of the present invention.
Fig. 4 is that engineering blade of the present invention coordinates view with key.
[detailed description of the invention]
Engineering lock as shown in Figure 1 includes lock housing 1, is provided with rotating lock gall 2 in lock housing 1, is provided with keyhole 21 and blade groove 22, is placed with vane group 3 in blade groove 22 in lock gall 2.As Fig. 2 as described in vane group 3 on be provided with for key insert passage 32, breach 31 is provided with bottom described vane group 3, described passage 32 inwall is provided with the number plate 33 coordinating with tooth form on the key and unblank, is provided with flange on described vane group 3 top.Groove 11 is provided with in lock housing 1, also be provided with the limit pin 5 that blocks blade 3 and limit pin 5 jack-up can be made it enter lock gall 2 completely thus realizes the elastic component 6 of unblanking, described elastic component 6 is shell fragment, engineering blade 3a is comprised in described vane group 3, as Fig. 3 as described in engineering blade 3a on be provided with destroy structure 34, before described destruction structure 34 is destroyed, engineering spoon and user's spoon all can untie vane group 3, and only can untie with user's spoon the destruction structure 34 that vane group 3 rotates lock gall 2 after destroying, the resilient mounting 4 that can promote vane group 3 and reset also is provided with in lock gall 2.
Engineering blade 3a as shown in Figure 3, destruction structure 34 recited above is bulge-structure, it is easily the gap that bulge-structure destroys that described bulge-structure and passage 32 inwall junction are provided with, gap is chamfering and makes in acute angle protruding less with inwall junction cross section, being easy to destroy projection, is that projection easily departs to fall from vias inner walls.
The view that engineering blade 3a as shown in Figure 4 coordinates with initiation key, described initiation key offers an aperture that monoblock projection 34 can be inserted wherein contact one side with the fritter of engineering blade 3a protruding 34 again on the basis of user's spoon.
Principle and the course of work:
This engineering lock is furnished with two keys: engineering spoon and user's spoon, and engineering spoon is different with the tooth form of user's spoon, is also provided with one and starts spoon (namely start spoon is user's spoon, just offers an aperture on the sidewall of user's spoon).Engineering blade 3a is provided with in the place that tooth form is different when user's spoon and engineering spoon insert after engineering lock, under projection 34 on engineering blade 3a acts on, the number plate coordinated with tooth form on the key in engineering blade 3a can not work (namely projection instead of number plate to coordinate breach 31 position of locating engineering blade with key sidewalls, and the number plate now on engineering blade 3a is in the gap of key teeth shape all the time).After initiation key inserts keyhole, on initiation key, aperture projection 34 when the projection 34 of engineering blade 3a will be inserted in the aperture of initiation key under the effect at spring restoring force, then firmly projection just can be pulled apart from passage 32 inwall by push-and-pull, now projection no longer plays positioning action, when the insertion of engineering spoon is destroyed in the engineering lock of engineering blade 3a, number plate on engineering blade 3a will coordinate with the tooth form on engineering lock locates, and the tooth form that engineering spoon coordinates with number plate 33 on engineering blade 3a is just in time different with the tooth form of user's spoon, so just making engineering spoon insert the engineering blade 3a being destroyed projection can not make groove 11 move to lockset position of coupler (namely limit pin 5 can not be fallen in groove 11), so just, the effect of engineering lock can be realized.
Claims (9)
1. an engineering lock, include lock housing (1), rotating lock gall (2) is provided with in described lock housing (1), keyhole (21) and blade groove (22) is provided with in described lock gall (2), vane group (3) is placed with in described blade groove (22), it is characterized in that: in described vane group (3), include engineering blade (3a), described engineering blade (3a) is provided with and destroys structure (34), described destruction structure (34) is that destroyed front engineering spoon and user's spoon all can untie vane group (3), and only can untie with user's spoon the destruction structure (34) that vane group (3) rotates lock gall (2) after destroying, the resilient mounting (4) that can promote vane group (3) and reset also is provided with in described lock gall (2).
2. a kind of engineering lock according to claim 1, it is characterized in that: in described vane group (3), be provided with the passage (32) inserted for key, breach (31) is provided with in described vane group (3) bottom, described passage (32) inwall is provided with the number plate (33) coordinating with tooth form on the key and unblank, is provided with flange on described vane group (3) top.
3. a kind of engineering lock according to claim 2, is characterized in that: described destruction structure (34) is located on the inwall of the upper and key contacts side surfaces of the passage (32) of engineering blade (3a).
4. a kind of engineering lock according to claim 3, is characterized in that: described destruction structure (34) is bulge-structure.
5. a kind of engineering lock according to claim 4, is characterized in that: described bulge-structure and passage (32) inwall junction are provided with the gap easily making bulge-structure destroy.
6. a kind of engineering lock according to claim 2, it is characterized in that: in described lock housing (1), be provided with groove (11), be provided with in described groove (11) and block vane group (3) and the limit coordinated with breach (31) is sold (5) and (5) jack-up can be sold in limit and make it enter lock gall (2) completely thus realize the elastic component (6) of unblanking.
7. a kind of engineering lock according to claim 1, is characterized in that: described resilient mounting (4) is spring.
8. a kind of engineering lock according to claim 1, is characterized in that: described top, resilient mounting (4) one end is pressed on the inwall of lock gall (2), and other end top is pressed on the flange on vane group (3) top.
9. a kind of engineering lock according to claim 6, is characterized in that: described elastic component (6) is shell fragment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310059028.8A CN103132805B (en) | 2013-02-25 | 2013-02-25 | Engineering lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310059028.8A CN103132805B (en) | 2013-02-25 | 2013-02-25 | Engineering lock |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103132805A CN103132805A (en) | 2013-06-05 |
| CN103132805B true CN103132805B (en) | 2015-04-01 |
Family
ID=48493199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310059028.8A Active CN103132805B (en) | 2013-02-25 | 2013-02-25 | Engineering lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103132805B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105863382B (en) * | 2016-05-31 | 2018-11-16 | 浙江钜士安防科技股份有限公司 | A kind of structure of the AB upgrading by blade control side column |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW489878U (en) * | 2001-09-24 | 2002-06-01 | Jin-Hua Fan | Engineer lock |
| CN1920227B (en) * | 2005-06-15 | 2013-10-16 | 余义伦 | Engineering loch head preventing from technical and damaging unlocking |
| JP5535780B2 (en) * | 2010-06-10 | 2014-07-02 | 株式会社東海理化電機製作所 | Key and locking device |
| CN202031394U (en) * | 2011-01-24 | 2011-11-09 | 李华煊 | Blade idling lock with engineering key and key matched with blade idling lock |
| CN202611361U (en) * | 2012-01-18 | 2012-12-19 | 潘翔 | Leaf lock cylinder with function of using keys A and B |
| CN202493096U (en) * | 2012-03-30 | 2012-10-17 | 苏顺东 | Anti-theft door lock |
| CN203188706U (en) * | 2013-02-25 | 2013-09-11 | 沈强 | Engineering lock head |
-
2013
- 2013-02-25 CN CN201310059028.8A patent/CN103132805B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN103132805A (en) | 2013-06-05 |
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Effective date of registration: 20160530 Address after: 528400 Guangdong Province, Zhongshan City Xiaolan Town Luxi Haiweilu G-23 two Patentee after: ZHONGSHAN LEKEDUO HARDWARE TECHNOLOGY CO., LTD. Address before: 528400 Guangdong Province, Zhongshan City Xiaolan Town Industrial Zone are the cornerstone profits Jiuzhou Road No. 77 Patentee before: Shen Qiang |
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| TR01 | Transfer of patent right |
Effective date of registration: 20200604 Address after: 528415 room 503, building 4, Huayue building, Jinju garden, No.9, Shengping Middle Road, Xiaolan Town, Zhongshan City, Guangdong Province Patentee after: Shen Qiang Address before: 528400 Guangdong Province, Zhongshan City Xiaolan Town Luxi Haiweilu G-23 two Patentee before: ZHONGSHAN LEKEDUO HARDWARE TECHNOLOGY Co.,Ltd. |