CN2849048Y - Lock structure - Google Patents
Lock structure Download PDFInfo
- Publication number
- CN2849048Y CN2849048Y CN 200520046824 CN200520046824U CN2849048Y CN 2849048 Y CN2849048 Y CN 2849048Y CN 200520046824 CN200520046824 CN 200520046824 CN 200520046824 U CN200520046824 U CN 200520046824U CN 2849048 Y CN2849048 Y CN 2849048Y
- Authority
- CN
- China
- Prior art keywords
- core body
- lock
- lockhole
- dust cap
- lock construction
- 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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- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The utility model discloses a lock structure which comprises a lock core body, wherein the top surface of the lock core body is provided with a lock hole; a rotatable dust-proof cover is arranged in the position of the upper part of the top surface of the lock core body; the lock hole is arranged on the dust-proof cover; an elastic piece is arranged between the top surface of the lock core body and the bottom surface of the dust-proof cover; one end of the elastic piece is connected to the lock core body, and the other end is connected to the dust-proof cover. Before a key is inserted into the lock, the position of the lock hole arranged on the dust-proof cover and the position of the lock hole arranged on the lock core body are staggered, and the elastic piece is in a natural state. After the key is inserted into the lock, the lock hole arranged on the dust-proof cover faces the lock hole arranged on the lock core body by the rotation of the dust-proof cover, the key is completely inserted into the lock hole arranged on the lock core body and the elastic piece is in a stretched state. After the key is pulled out of the lock, the elastic piece returns the original state and the two lock holes return in the original staggered state. The anti-theft function of the lock is enhanced, and the service life of the lock is increased.
Description
[technical field]
The utility model relates to a kind of lock construction, refers to a kind of lock construction with lockhole protective cover especially.
[background technology]
Please join shown in Figure 1ly, outside lockhole 90 big city of general lockset were revealed in, key 80 can directly insert in the lockhole 90, can unblank easily or locking like this, for example door lock, bicycle lock, suitcase lock and electronic equipment lock etc. even.But extraneous little foreign material such as dust very easily fall in the lockhole that exposes, thereby make the lockset life-span reduce greatly.In addition, lockhole is exposed to the outside, and the burglar is easy to lockset is destroyed or pirate of the open, to satisfy the purpose of its auto theft.In view of this, existing lock construction is the life-span weak point not only, but also fails really to reach effective anti-theft feature.
Therefore, be necessary to provide a kind of novel lock construction, to overcome the defective of prior art.
[summary of the invention]
Main purpose of the present utility model is to provide a kind of lock construction, in the life-span that it not only can improve lock, can also strengthen its anti-theft feature.
For reaching above-mentioned purpose, the utility model adopts following technical scheme: a kind of lock construction, and it has a core body, is provided with a lockhole at the top surface of core body; Top position at the top surface of core body is equipped with a rotating dust cap, is processed with a lockhole on this dust cap; Between the soffit of the top surface of core body and dust cap an elastic component is installed also, an end of this elastic component is connected on the core body, and the other end is connected on the dust cap; Before not inserting key, the lockhole on lockhole on the dust cap and the core body is to be the dislocation state, and elastic component is to be nature; And after inserting key, the lockhole on lockhole on the dust cap and the core body is to be positive status, and elastic component is to be in the state that is stretched.
The above-mentioned engagement mechanism that is arranged on the dust cap is identical with engagement mechanism on the core body.
Apical position at the core body is formed with a cylindrical body around lockhole.
On the inner surface of above-mentioned cylindrical body, has an annular groove.
Above-mentioned dust cap is to be embedded in the annular groove of cylindrical body, and can rotate.
On dust cap and cylindrical body, be provided with the indications that is used to refer to the lockhole orientation.
The top surface of above-mentioned core body is provided with an alignment pin, and also is provided with an alignment pin on the soffit of dust cap.
Above-mentioned elastic component is a spring, and an end of this spring is to be fixed on the alignment pin that is positioned at the core body, and the other end then is fixed on the alignment pin that is positioned on the dust cap.
Compared to prior art, lock construction of the present utility model is to be provided with a rotating dust cap, and on this dust cap, has a lockhole, before not inserting key, lockhole on lockhole on the dust cap and the core body misplaces, and after inserting key, can rotate after dust cap makes that lockhole on it and the lockhole on the core body align, again key is inserted fully in the lockhole on the core body.In addition, owing between dust cap and core body, an elastic component is installed, after key inserts in the lockhole on the core body fully, this elastic component is to be in the state that is stretched, and after key is pulled out, this elastic component is reinstatement, and dust cap under the effect of elastic component also with homing, promptly two lockholes have been in the dislocation state again.Like this, the anti-theft feature of this lock can be strengthened, the life-span of lock can be improved again.
[description of drawings]
Fig. 1 is the schematic diagram of existing lock construction.
Fig. 2 and Fig. 3 are the decomposing schematic representations of the utility model lock construction.
Fig. 4 is before not inserting key, and the two-layer lockhole up and down of the utility model lock construction is in the schematic diagram of plumbness.
Fig. 5 is after inserting key, and the two-layer lockhole up and down of the utility model lock construction is in the schematic diagram to positive status.
[specific embodiment]
Please refer to Fig. 2 to shown in Figure 5, lock construction of the present utility model has a column core body 10, the rounded top surface of this core body 10 is provided with a lockhole 11, being formed with one at the apical position of this core body 10 can be around the cylindrical body 12 of lockhole 11, is processed with an annular groove 13 at the inner surface of this cylindrical body 12; One circular sheet shape dust cap 20 is the top positions that are installed on the top of core body 10 and are positioned at the rounded top surface of core body 10, and specifically, this dust cap 20 is to be embedded in the annular groove 13 of cylindrical body 12, and can rotate.At the identical lockhole 21 of lockhole 11 structures that also is provided with on this dust cap 20 on a structure and the core body 10, but these two lockholes 11 and 21 are not to align, but arrange in the mode of dislocation.In the present embodiment, before not inserting key, upper strata lockhole 21 (promptly being arranged at the lockhole on the dust cap 20) is in vertical state with lower floor's lockhole 11 (promptly being arranged at the lockhole on core body 10 top surfaces).
In the present embodiment, dust cap 20 has formed the protective cover of lock construction with cylindrical body 12, and dust cap 20 is to be installed on the cylindrical body 12 in rotating mode.In addition, also be added with a notch 14, be used for indicating the lateral attitude of the square lockhole 11 on the core body 10, on dust cap 20, then be processed with an arrow 22, be used for indicating the lateral attitude of the square lockhole 21 on this dust cap 20 at the top edge of cylindrical body 12.Be that notch 14 all is as indications with arrow 22, when notch 14 aligns with arrow 22, show that two lockholes 11 and 21 align, and when notch 14 and arrow 22 stagger, show that two lockholes 11 and 21 are to be in the dislocation state.
For the function that realizes that normal lock is opened and locking closes, lock construction of the present utility model also is provided with an elastic component.In the present embodiment, this elastic component is a spring 30, spring 30 is between the top surface of dust cap 20 and core body 10, one end of this spring 30 is to be fixed on the alignment pin 15 that is positioned on core body 10 top surfaces, and the other end of this spring 30 is to be fixed on the alignment pin 23 that is positioned on dust cap 20 soffits.
Do not inserting key (not shown) before, this spring 30 is in the raw, and the lockhole 21 and 11 of levels is (as shown in Figure 4) of dislocation, and after supporting key (not shown) is inserted upper strata lockhole 21, the user utilizes key to reverse dust cap 20, make upper strata lockhole 21 and lower floor's lockhole 11 align (as shown in Figure 5), key just can be inserted in lower floor's lockhole 11 then, and this moment, this spring 30 was to be in the state that is stretched.After key pulls out, dust cap 20 and upper strata lockhole 21 thereof will be under the tension of this spring 30 automatic homing, promptly upper strata lockhole 21 can be the dislocation state with lower floor lockhole 11 again, so that the protective effect to lock construction to be provided.
Make a general survey of foregoing description as can be known, the key that lock construction of the present utility model only matches could insert in the lockhole 21 on the dust cap 20, and rotation dust cap 20, make the lockhole 21 on the dust cap 20 align with lockhole 11 on the core body 10, key just can stretch in the lockhole 11 on the core body 10 fully.This lock construction has not only been strengthened anti-theft feature, can also improve the life-span of lock.
Claims (10)
1. lock construction, it has a core body, is provided with a lockhole at the top surface of core body, it is characterized in that: the top position at the top surface of core body is equipped with a rotating dust cap, is processed with a lockhole on this dust cap; Between the soffit of the top surface of core body and dust cap an elastic component is installed also, an end of this elastic component is connected on the core body, and the other end is connected on the dust cap; Before not inserting key, the lockhole on lockhole on the dust cap and the core body is to be the dislocation state, and elastic component also is to be nature; And after inserting key, the lockhole on lockhole on the dust cap and the core body is to be positive status, and elastic component is to be in the state that is stretched.
2. lock construction as claimed in claim 1 is characterized in that: the engagement mechanism on the dust cap is identical with engagement mechanism on the core body.
3. lock construction as claimed in claim 2 is characterized in that: the apical position at the core body is formed with a cylindrical body around lockhole.
4. lock construction as claimed in claim 3 is characterized in that: have an annular groove on the inner surface of cylindrical body.
5. lock construction as claimed in claim 4 is characterized in that: dust cap is to be embedded in the annular groove of cylindrical body, and can rotate.
6. lock construction as claimed in claim 5 is characterized in that: be provided with the indications that is used to refer to the lockhole orientation on dust cap and cylindrical body.
7. lock construction as claimed in claim 6 is characterized in that: the indications on dust cap is an arrow, and the indications on cylindrical body is a notch that is positioned at its top edge.
8. as claim 1 or 4 described lock constructions, it is characterized in that: described elastic component is a spring.
9. lock construction as claimed in claim 8 is characterized in that: the top surface of core body is provided with an alignment pin, and also is provided with an alignment pin on the soffit of dust cap.
10. lock construction as claimed in claim 9 is characterized in that: an end of described spring is to be fixed on the alignment pin that is positioned at the core body, and the other end then is fixed on the alignment pin that is positioned on the dust cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520046824 CN2849048Y (en) | 2005-11-23 | 2005-11-23 | Lock structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520046824 CN2849048Y (en) | 2005-11-23 | 2005-11-23 | Lock structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2849048Y true CN2849048Y (en) | 2006-12-20 |
Family
ID=37521531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520046824 Expired - Fee Related CN2849048Y (en) | 2005-11-23 | 2005-11-23 | Lock structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2849048Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104499776A (en) * | 2014-12-30 | 2015-04-08 | 叶晓委 | Lock cylinder protection device of anti-theft lock |
| CN110416881A (en) * | 2019-06-28 | 2019-11-05 | 张喜军 | A kind of etch-proof electric power cabinet |
-
2005
- 2005-11-23 CN CN 200520046824 patent/CN2849048Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104499776A (en) * | 2014-12-30 | 2015-04-08 | 叶晓委 | Lock cylinder protection device of anti-theft lock |
| CN110416881A (en) * | 2019-06-28 | 2019-11-05 | 张喜军 | A kind of etch-proof electric power cabinet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |