CN204676999U - A kind of locking mechanism - Google Patents
A kind of locking mechanism Download PDFInfo
- Publication number
- CN204676999U CN204676999U CN201520171954.9U CN201520171954U CN204676999U CN 204676999 U CN204676999 U CN 204676999U CN 201520171954 U CN201520171954 U CN 201520171954U CN 204676999 U CN204676999 U CN 204676999U
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- CN
- China
- Prior art keywords
- hole
- lock core
- lock
- diameter
- core hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to lock assembly technical field, particularly relates to a kind of locking mechanism, and it comprises lock housing, is built in the lock core of lock housing inside; Described built-in lock pin has the lock core hole of pellet; Described lock core hole includes one-level lock core hole and stepped hole; The diameter D of described stepped hole is greater than the diameter d of one-level lock core hole, and wherein D-d is less than or equal to 0.2mm.Compared with prior art the beneficial effects of the utility model are: by above-mentioned setting, and the diameter D of stepped hole is greater than the diameter control of one-level lock core hole between 0.2mm, improve the precision of overall lock, also facilitate the installation of pellet.
Description
Technical field
The utility model relates to lock technology field, particularly relates to a kind of locking mechanism.
Background technology
As everyone knows, in use, not to common lock a lock will go to open by a key, many times, a lock can go to open (except original key and rear bitting) with a lot of key, and such situation, can cause user's family thing stolen.
Utility model content
For solving the problems of the technologies described above, the utility model provides a kind of structure simply the diameter D of stepped hole to be greater than the diameter control of one-level lock core hole between 0.2mm, improves the precision of overall lock, also facilitates the locking mechanism of the installation of pellet.
Locking mechanism of the present utility model, a kind of locking mechanism, it comprises lock housing, is built in the lock core of lock housing inside; Described built-in lock pin has the lock core hole of pellet; Described lock core hole includes one-level lock core hole and stepped hole; The diameter D of described stepped hole is greater than the diameter d of one-level lock core hole, and wherein D-d is less than or equal to 0.2mm.
Locking mechanism of the present utility model, described lock housing is also provided with its surface through and the locking shell hole corresponding with lock core hole; The diameter of described locking shell hole is greater than the diameter of stepped hole.
Locking mechanism of the present utility model, described lock core hole is keyhole, and the end of described pellet is arranged on keyhole end, and front end is arranged on stepped hole position and maintains an equal level mutually with stepped hole.
Compared with prior art the beneficial effects of the utility model are: by above-mentioned setting, and the diameter D of stepped hole is greater than the diameter control of one-level lock core hole between 0.2mm, improve the precision of overall lock, also facilitate the installation of pellet.
Accompanying drawing explanation
Fig. 1 is a kind of locking mechanism horizontal direction structural representation of the present utility model;
Fig. 2 is a kind of locking mechanism stereo directional structural representation of the present utility model.
In figure: 1, lock housing; 2, lock core; 21, one-level lock core hole; 22, stepped hole; 23, locking shell hole; 3, pellet.
Detailed description of the invention
Below in conjunction with drawings and Examples, detailed description of the invention of the present utility model is described in further detail.Following examples for illustration of the utility model, but are not used for limiting scope of the present utility model.
Embodiment 1
As shown in Figure 1, locking mechanism of the present utility model, a kind of locking mechanism, it comprises lock housing 1, is built in the lock core 2 of lock housing 1 inside; Described lock core 2 is built-in with the lock core hole (not identifying in figure) of pellet; Described lock core hole (not identifying in figure) includes one-level lock core hole 21 and stepped hole 22; The diameter D of described stepped hole 22 is greater than the diameter d of one-level lock core hole 21, and wherein D-d is less than or equal to 0.1mm, and such design can improve the precision of overall lockset greatly, realizes the object of one-lock-one-key.
Locking mechanism of the present utility model, described lock housing 1 is also provided with its surface through and the locking shell hole 23 corresponding with lock core hole (not identifying in figure), wherein, stepped hole 22 in described lock core hole (not identifying in figure) is corresponding with locking shell hole 23 and connect, and the diameter of described locking shell hole 23 is greater than the diameter of stepped hole 22.
Locking mechanism of the present utility model, described lock core hole (not identifying in figure) is keyhole, and the end of described pellet 3 is arranged on keyhole end, and front end is arranged on stepped hole position and maintains an equal level mutually with stepped hole.
Embodiment 2
As shown in Figure 1, locking mechanism of the present utility model, a kind of locking mechanism, it comprises lock housing 1, is built in the lock core 2 of lock housing 1 inside; Described lock core 2 is built-in with the lock core hole (not identifying in figure) of pellet; Described lock core hole (not identifying in figure) includes one-level lock core hole 21 and stepped hole 22; The diameter D of described stepped hole 22 is greater than the diameter d of one-level lock core hole 21, and wherein D-d is less than or equal to 0.2mm, and such design can improve the precision of overall lockset greatly, realizes the object of one-lock-one-key.
Locking mechanism of the present utility model, described lock housing 1 is also provided with its surface through and the locking shell hole 23 corresponding with lock core hole (not identifying in figure), wherein, stepped hole 22 in described lock core hole (not identifying in figure) is corresponding with locking shell hole 23 and connect, and the diameter of described locking shell hole 23 is greater than the diameter of stepped hole 22.
Locking mechanism of the present utility model, described lock core hole (not identifying in figure) is keyhole, and the end of described pellet 3 is arranged on keyhole end, and front end is arranged on stepped hole position and maintains an equal level mutually with stepped hole.
Compared with prior art the beneficial effects of the utility model are: by above-mentioned setting, and the diameter D of stepped hole is greater than the diameter control of one-level lock core hole between 0.2mm, improve the precision of overall lock, also facilitate the installation of pellet.
The above is only preferred embodiment of the present utility model; should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model know-why; can also make some improvement and modification, these improve and modification also should be considered as protection domain of the present utility model.
Claims (3)
1. a locking mechanism, it comprises lock housing, is built in the lock core of lock housing inside; It is characterized in that: described built-in lock pin has the lock core hole of pellet; Described lock core hole includes one-level lock core hole and stepped hole; The diameter D of described stepped hole is greater than the diameter d of one-level lock core hole, and wherein D-d is less than or equal to 0.2mm.
2. locking mechanism as claimed in claim 1, is characterized in that, described lock housing is also provided with its surface through and the locking shell hole corresponding with lock core hole; The internal diameter of described locking shell hole is greater than the internal diameter of stepped hole.
3. locking mechanism as claimed in claim 1, it is characterized in that, described lock core hole is keyhole, and the end of described pellet is arranged on keyhole end, and front end is arranged on stepped hole position and maintains an equal level mutually with stepped hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520171954.9U CN204676999U (en) | 2015-03-25 | 2015-03-25 | A kind of locking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520171954.9U CN204676999U (en) | 2015-03-25 | 2015-03-25 | A kind of locking mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204676999U true CN204676999U (en) | 2015-09-30 |
Family
ID=54176704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520171954.9U Expired - Fee Related CN204676999U (en) | 2015-03-25 | 2015-03-25 | A kind of locking mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204676999U (en) |
-
2015
- 2015-03-25 CN CN201520171954.9U patent/CN204676999U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150930 Termination date: 20160325 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |