CN203867308U - Engineering lock capable of being safely used before and after decoration - Google Patents
Engineering lock capable of being safely used before and after decoration Download PDFInfo
- Publication number
- CN203867308U CN203867308U CN201420282185.5U CN201420282185U CN203867308U CN 203867308 U CN203867308 U CN 203867308U CN 201420282185 U CN201420282185 U CN 201420282185U CN 203867308 U CN203867308 U CN 203867308U
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Abstract
The utility model discloses an engineering lock capable of being safely used before and after decoration. The engineering lock comprises a lock body, a lock cylinder with a key hole, and keys. At least one steel ball hole is formed in the periphery of the lock cylinder and communicated with a blade groove right corresponding to the steel ball hole. An engineering blade is placed in the blade groove corresponding to the steel ball hole, is arranged on a fixed hinge pin in a sleeved mode and swings leftward and rightward. A big steel ball and a small steel ball are placed in the steel ball hole. A flat-head marble right corresponding to the steel ball hole is provided with a marble spring. On one side of the steel ball hole, a blind hole is further formed in the periphery of the lock cylinder. The keys are divided into the engineering key and the host key; the engineering key and the host key are different from each other; that is, only teeth of the host key can make contact with the engineering blade and drive the engineering blade to rotate and swing by a certain degree so that the engineering blade can completely jack the small steel ball out of the steel ball hole to enter the marble hole. According to the idle key, the decoration requirement can be met, the trouble of key replacement can be prevented as well, and meanwhile the engineering key can not be used as the host key.
Description
Technical field
The utility model relates to a kind of mechanical lock, particularly a kind of engineering lock that can use safely before and after finishing.
Background technology
When house decoration, conventionally key of decoration worker need to be given so that turnover.If the key in upfitter's staff is the same with the key of having fitted up the actual use of rear family, will certainly cause potential safety hazard.Therefore, people wish that the last key using of key and family that decoration worker's initial stage is used is different.
And the engineering key of existing machinery engineering lock is the same with the tartar of owner's key, difference has a transverse holes and owner does not have on the key on engineering key piece.But be so just easy to change engineering key into owner key: as long as just can use as owner's key by the transverse holes that filler is filled up on engineering key piece, this can cause very large hidden danger.
Utility model content
The utility model object is in order to overcome the deficiencies in the prior art, provides one can meet decoration requirements, can avoid again changing the trouble that lock strap is come, and engineering spoon cannot be changed into the engineering lock that can use safely before and after finishing of owner's spoon use simultaneously.
The purpose of this utility model is achieved through the following technical solutions:
Engineering lock that can safe handling before and after finishing, comprises lock body, has lock core, lock core cover and the key of keyhole, and lock core cover is placed in the endoporus of lock body after entangling lock core one end together; The inner hole wall of lock body is provided with one group of marble hole, and flat nose is housed in each marble hole; On lock core, have several blade grooves radially, blade groove is corresponding one by one with marble hole, and blade groove bottom land is all communicated with keyhole, and multiple blades are placed on respectively in corresponding blade groove;
Described lock core excircle is provided with at least one steel ball hole, a corresponding blade groove of steel ball hole, its positive corresponding blade groove of steel ball hole is communicated with, and an engineering blade is placed in the blade groove corresponding with steel ball hole, and engineering blade is sleeved on a fixed pin shaft and swings; In described steel ball hole, be placed with big steel ball and small ball, big steel ball is placed on engineering blade, and small ball is placed on big steel ball; On the tack pellet positive corresponding with steel ball hole, be equipped with marble pressuring spring, under the effect of marble pressuring spring tension force, top, tack pellet outer end is pressed on small ball, and big steel ball top is pressed on engineering blade;
In steel ball hole one side, lock core excircle is also provided with blind hole, and small ball is positioned on blind hole swing-around trajectory, and blind hole diameter is greater than little diameter of the steel ball and is less than tack pellet external diameter;
Described key is divided into engineering key and owner's key, both differences are to only have the tartar of owner's key can contact and drive engineering blade swing certain angle with engineering blade, make engineering blade little steel ball can be ejected completely outside steel ball hole and enter in marble hole.
A kind of engineering lock that can use safely before and after finishing as mentioned above, it is characterized in that: described engineering is greater than described owner on the key corresponding to the tartar width of engineering leaf position corresponding to the tartar width of engineering leaf position on the key, engineering is not contacted with engineering blade lowermost end corresponding to the tartar of engineering leaf position on the key.
A kind of engineering lock that can use safely before and after finishing as mentioned above, it is characterized in that: described engineering blade has the upwards boss of pushing tow big steel ball, small ball, tartar is by contacting with engineering blade bottom end and driving engineering blade swing certain angle on the key for described owner, and the boss that makes engineering blade is in just to the RC position of steel ball hole.
By the description of above-mentioned principle and structure, engineering key and owner's key have incomplete same tartar, solve traditional engineering keyhole potential energy and filled up rapidly the defect that becomes customer people's key, solve the hidden danger that user worries, simple in structure, not transreplication, cannot form anti-theft security and threaten.
Brief description of the drawings
Fig. 1 is engineering blade, tack pellet, big steel ball and small ball position view while inserting engineering key.
Fig. 2 is engineering blade, tack pellet, big steel ball and small ball position view while inserting owner's key.
Fig. 3 inserts and rotates engineering blade after owner's key, tack pellet, big steel ball and small ball position view.
Fig. 4 is engineering blade construction schematic diagram.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail, but embodiment of the present utility model is not limited to this.
Embodiment
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, a kind of engineering lock that can safe handling before and after finishing, comprises lock body 1, has lock core 2, lock core cover and the key of keyhole 20, and lock core cover is placed in the endoporus of lock body after entangling lock core one end together; The inner hole wall of lock body 1 is provided with one group of marble hole 11, in each marble hole 11, flat nose 3 is housed; On lock core 2, have several blade grooves 21 radially, blade groove 21 is corresponding one by one with marble hole 11, and blade groove 21 bottom lands are all communicated with keyhole 20, and multiple blades are placed on respectively in corresponding blade groove; Lock core 2 excircles are provided with a steel ball hole 22, the corresponding blade groove 21 of steel ball hole 22, and steel ball hole 22 its positive corresponding blade grooves are communicated with.One engineering blade 4 is placed in the blade groove corresponding with steel ball hole 22 21, and engineering blade 4 is sleeved on left and right swing on a fixed pin shaft; In steel ball hole 22, be placed with big steel ball 5 and small ball 6, big steel ball 5 is placed on engineering blade 4, and small ball 6 is placed on big steel ball 5; On the tack pellet positive corresponding with steel ball hole, be equipped with marble pressuring spring 7, under marble pressuring spring 7 tension force effects, tack pellet 3 tops, outer end are pressed on small ball 6, and big steel ball 5 tops are pressed on engineering blade 4.At steel ball hole left and right side, lock core excircle is also respectively equipped with blind hole 23, and small ball 6 is positioned on blind hole 23 swing-around trajectories, and blind hole 23 diameters are greater than little diameter of the steel ball and are less than tack pellet external diameter.
Key is divided into engineering key and owner's key, and both differences are to only have the tartar of owner's key can contact and drive engineering blade swing certain angle with engineering blade, makes engineering blade little steel ball can be ejected completely outside steel ball hole and enter in marble hole.
In the utility model preferred embodiment, engineering is greater than owner on the key corresponding to the tartar width of engineering leaf position corresponding to the tartar width of engineering leaf position on the key, and engineering is not contacted with engineering blade lowermost end corresponding to the tartar of engineering leaf position on the key.
Engineering blade upper design is become to irregularly shaped, engineering blade has the upwards boss of pushing tow big steel ball, small ball, tartar is by contacting with engineering blade bottom end and driving engineering blade around fixed pin shaft swing certain angle on the key for owner, and the boss that makes engineering blade is in just to the RC position of steel ball hole.
For example: through dark tooth size milling sky again, make engineering key the first tooth inoperative at the first tooth place of engineering key front end, engineering key the first tooth can not contact with engineering blade completely.
The utility model course of work is as follows:
When with the work of engineering key, engineering on the key tartar breach is greater than the width of blade, and engineering blade is inoperative.Tack pellet is under the promotion of stage clip, and small ball remains in the steel ball hole of lock core forever, and small ball can not be pushed out steel ball hole, and small ball keeps and support the smooth transition of tack pellet, opens freely.
When with the work of owner's key, owner's key tooth flower can push small ball in the marble hole of lock body, rotational lock core 360 is spent, small ball is fallen in the blind hole of setting on lock core under the effect of marble pressuring spring, and lock core resets and dials after spoon, because small ball is not original, tack pellet can enter the position of original small ball on lock core, during again with the work of engineering key, big steel ball can not push up flat above-mentioned tack pellet, so engineering key has lost unlatching effect.
Claims (4)
1. a engineering lock that can safe handling before and after finishing, comprises lock body, has lock core, lock core cover and the key of keyhole, and lock core cover is placed in the endoporus of lock body after entangling lock core one end together; The inner hole wall of lock body is provided with one group of marble hole, and flat nose is housed in each marble hole; On lock core, have several blade grooves radially, blade groove is corresponding one by one with marble hole, and blade groove bottom land is all communicated with keyhole, and multiple blades are placed on respectively in corresponding blade groove;
It is characterized in that: described lock core excircle is provided with at least one steel ball hole, a corresponding blade groove of steel ball hole, its positive corresponding blade groove of steel ball hole is communicated with, and an engineering blade is placed in the blade groove corresponding with steel ball hole, and engineering blade is sleeved on a fixed pin shaft and swings;
In described steel ball hole, be placed with big steel ball and small ball, big steel ball is placed on engineering blade, and small ball is placed on big steel ball; On the tack pellet positive corresponding with steel ball hole, be equipped with marble pressuring spring, under the effect of marble pressuring spring tension force, top, tack pellet outer end is pressed on small ball, and big steel ball top is pressed on engineering blade;
In steel ball hole one side, lock core excircle is also provided with blind hole, and small ball is positioned on blind hole swing-around trajectory, and blind hole diameter is greater than little diameter of the steel ball and is less than tack pellet external diameter;
Described key is divided into engineering key and owner's key, both differences are to only have the tartar of owner's key can contact and drive engineering blade swing certain angle with engineering blade, make engineering blade little steel ball can be ejected completely outside steel ball hole and enter in marble hole.
According to claim 1 a kind of can finishing before and after safe handling engineering lock, it is characterized in that: described engineering is greater than described owner on the key corresponding to the tartar width of engineering leaf position corresponding to the tartar width of engineering leaf position on the key, engineering is not contacted with engineering blade lowermost end corresponding to the tartar of engineering leaf position on the key.
3. according to a kind of engineering lock that can use safely before and after finishing described in claim 1 or 2, it is characterized in that: described engineering blade has the upwards boss of pushing tow big steel ball, small ball, tartar is by contacting with engineering blade bottom end and driving engineering blade swing certain angle on the key for described owner, and the boss that makes engineering blade is in just to the RC position of steel ball hole.
According to claim 1 a kind of can finishing before and after safe handling engineering lock, it is characterized in that: described lock core has blade groove and the steel ball hole of integrative-structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420282185.5U CN203867308U (en) | 2014-05-26 | 2014-05-26 | Engineering lock capable of being safely used before and after decoration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420282185.5U CN203867308U (en) | 2014-05-26 | 2014-05-26 | Engineering lock capable of being safely used before and after decoration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203867308U true CN203867308U (en) | 2014-10-08 |
Family
ID=51648278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420282185.5U Expired - Fee Related CN203867308U (en) | 2014-05-26 | 2014-05-26 | Engineering lock capable of being safely used before and after decoration |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203867308U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105257102A (en) * | 2015-10-11 | 2016-01-20 | 周国权 | Lock cylinder structure with changeable blade key thread pattern |
| CN107503573A (en) * | 2017-09-30 | 2017-12-22 | 广东金点原子安防科技股份有限公司 | A kind of improved dual-purpose lock core and its matched key |
| CN108661439A (en) * | 2017-03-30 | 2018-10-16 | 广东金点原子安防科技股份有限公司 | A kind of dual-purpose lock core and its matched key |
| CN110512947A (en) * | 2019-09-24 | 2019-11-29 | 王小娟 | A kind of blade and the lockset with the blade, screen the device of the blade |
| CN110512947B (en) * | 2019-09-24 | 2024-05-10 | 广东大拇指海辉柜锁有限公司 | Blade and lockset with same, and device for screening blade |
-
2014
- 2014-05-26 CN CN201420282185.5U patent/CN203867308U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105257102A (en) * | 2015-10-11 | 2016-01-20 | 周国权 | Lock cylinder structure with changeable blade key thread pattern |
| CN108661439A (en) * | 2017-03-30 | 2018-10-16 | 广东金点原子安防科技股份有限公司 | A kind of dual-purpose lock core and its matched key |
| CN108661439B (en) * | 2017-03-30 | 2023-08-25 | 广东金点原子安防科技股份有限公司 | Dual-purpose lock core and matched key thereof |
| CN107503573A (en) * | 2017-09-30 | 2017-12-22 | 广东金点原子安防科技股份有限公司 | A kind of improved dual-purpose lock core and its matched key |
| CN110512947A (en) * | 2019-09-24 | 2019-11-29 | 王小娟 | A kind of blade and the lockset with the blade, screen the device of the blade |
| CN110512947B (en) * | 2019-09-24 | 2024-05-10 | 广东大拇指海辉柜锁有限公司 | Blade and lockset with same, and device for screening blade |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160812 Address after: 528000, Foshan District, Guangdong City, Shunde, Tian Zhen Town, Village Road, Tian Lian Avenue, No. 184 Patentee after: Foshan city Shunde District Hao Han Lock Manufacturing Co Ltd Address before: Shunde District of Guangdong province 528000 Foshan Junan Nansha margin Gate Five Lane Street No. 31 Patentee before: Tan Jianxiang |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141008 Termination date: 20200526 |