CN204804508U - Anti -theft lock - Google Patents
Anti -theft lock Download PDFInfo
- Publication number
- CN204804508U CN204804508U CN201520482051.2U CN201520482051U CN204804508U CN 204804508 U CN204804508 U CN 204804508U CN 201520482051 U CN201520482051 U CN 201520482051U CN 204804508 U CN204804508 U CN 204804508U
- Authority
- CN
- China
- Prior art keywords
- lock core
- connecting rod
- lock
- axle sleeve
- latch
- 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 discloses an anti -theft lock, it includes lock core mechanism, and lock core mechanism is two, is divided into lock core mechanism and last lock core structure down, and the contained angle between lower lock core mechanism and the last lock core structure is 25-45, lock core mechanism and last lock core structure are formed by lock core axle, lock core axle sleeve and spring down, the lower extreme of lock core axle is fixed on the lower side panel of door, and the lock core axle sleeve has been put to the epaxial cover of lock core, and the lock core axle is at lock core axle sleeve internal rotation, the epaxial spring that is provided with of lock core below the lock core axle sleeve, be provided with a plurality of axle sleeve grooves on the hollow cylinder of lock core axle sleeve, the upper end of lock core axle is the axle increment, and the axle increment of lock core axle is provided with a plurality of teeth, the upper end of lock core mechanism and last lock core structure is overlapped respectively and has been put connecting rod lockplate and connecting rod fixed disk down. The utility model relates to a scientific and reasonable more, the security performance is higher, the thief can't open, and the low price, but the wide application locate in various doors, safe deposit box etc. More economical, practical.
Description
Technical field
The utility model relates to a kind of theftproof lock, particularly relates to a kind of anti-theft appliance technical field.
Background technology
Theftproof lock can be divided into cylinder lock, blade lock, magnetic lock, IC card lock, Fingerprint Lock etc.Cylinder lock and magnetic lock more common.Cylinder lock is all belonged to as in-line lock, cross lock, computer lock etc.; Cylinder lock and magnetic lock are very not firm, security performance is lower, the unlatching of cross lock is very convenient, now commercially can buy out the special tool of cylinder lock and magnetic lock, have this instrument, thief can open most magnetic lock and cylinder lock within one or two minutes.IC card lock, Fingerprint Lock security performance are better, but price is high, is not suitable for wide popularization and application.Therefore need a kind of security performance higher and the novel anti-burglar lock that price is comparatively cheap.
Utility model content
In order to the weak point in solving the problem, the utility model provides a kind of theftproof lock.
For solving above technical problem, the technical solution adopted in the utility model is: a kind of theftproof lock, and it comprises lock core mechanism, and lock core mechanism is two, is divided into lower lock core mechanism and upper lock core structure, and the angle between lower lock core mechanism and upper lock core structure is 25 ~ 45 °; Lower lock core mechanism and upper lock core structure are by lock core shaft, lock core axle sleeve and spring composition;
The lower end of lock core shaft is fixed on the lower side panel of door, lock core shaft is equipped with lock core axle sleeve, and lock core shaft turns in lock core axle sleeve inward turning; Lock core shaft below lock core axle sleeve is provided with spring; The hollow cylinder of lock core axle sleeve is provided with multiple axle sleeve groove, the upper end of lock core shaft is axle increment, and the axle increment of lock core shaft is provided with multiple axle tooth;
The upper end of lower lock core mechanism and upper lock core structure is equipped with link lever locking plate and linkage fixing plate respectively, all outstanding link lever locking plate of the hollow cylinder of lock core axle sleeve and the axle increment of lock core shaft or linkage fixing plate; Upper conduit and downcomer are all nested with in upper lock core mechanism and lower lock core mechanism;
The front end of link lever locking plate is provided with link lock rationed marketing upwardly, and the link lever locking pin-and-hole that link lock rationed marketing and lower latch connecting rod are arranged matches, and the left side of link lever locking pin-and-hole has been provided with and has limited the locking disk that link lever locking plate rotates and limit pin.
Linkage fixing plate is provided with fixed disk spacer pin, the fixed disk limit pin hole on fixed disk spacer pin and catch matches, and catch is arranged on the upper conduit below an epipleural.
Upper latch and lower latch, upper latch and lower latch run through epipleural and the lower side panel of door respectively, and upper latch is connected with one end of upper latch connecting rod, and the other end of upper latch connecting rod is connected on linkage fixing plate; Lower latch is connected with one end of lower latch connecting rod, and the other end of lower latch connecting rod is connected on connecting rod fixed disk; Upper latch connecting rod is corresponding with upper latch connecting rod.
Upper latch is with the connection of upper latch connecting rod, connecting rod fixed disk and is flexibly connected; Lower latch is with the connection of lower latch connecting rod, connecting rod fixed disk and is flexibly connected.
Lock core mechanism and external key match, and the hollow section of the front end of key is provided with multiple key bit, and the quantity of key bit is equal with the quantity of axle sleeve groove.
The utility model design is more scientific and reasonable, and security performance is higher, and thief cannot open, and cheap, can be widely used in the places such as various door, safety cabinet, more economically, practical.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is overall structure schematic diagram of the present utility model.
Fig. 2 is the top view after Fig. 1 removes the top panel of door.
Fig. 3 is the structural representation that Fig. 1 removes top panel back link lockplate non-locking.
Fig. 4 is the structural representation of lock core mechanism.
Fig. 5 is the top view of Fig. 1.
Fig. 6 is the interior view of Fig. 5.
Fig. 7 is the structural representation of the key that the utility model uses.
In figure: 1, door; 2, upper latch; 3, lower latch; 4, upper latch connecting rod; 5, lower latch connecting rod; 6, downcomer; 7, upper conduit; 8, upper conduit fixed disk; 9, downcomer fixed disk; 10, upper keyhole; 11, lower keyhole; 12, fixed disk limit pin hole; 13, fixed disk spacer pin; 14, lock core shaft; 15, lock core axle sleeve; 16, spring; 17, axle tooth; 18, axle sleeve groove; 19, key bit; 20, lower lock core mechanism; 21, link lever locking plate; 22, link lock rationed marketing; 23, link lever locking pin-and-hole; 24, upper lock core mechanism; 25, catch; 26, linkage fixing plate; 27, locking disk spacer pin.
Detailed description of the invention
As shown in Fig. 1-Fig. 7, the utility model comprises latch 2, lower latch 3, upper latch connecting rod 4, lower latch connecting rod 5, downcomer 6, upper conduit 7, upper conduit fixed disk 8, downcomer fixed disk 9, upper keyhole 10, lower keyhole 11, fixed disk limit pin hole 12, fixed disk spacer pin 13, axle tooth 17, axle sleeve groove 18, link lever locking plate 21, link lock rationed marketing 22, link lever locking pin-and-hole 23, catch 25, linkage fixing plate 26.
Lock core mechanism is two, is divided into lower lock core mechanism 20 and upper lock core structure 24, and the angle between lower lock core mechanism 20 and upper lock core structure 24 is 25 ~ 45 °.Lower lock core mechanism 20 and upper lock core structure 24 form by lock core shaft 14, lock core axle sleeve 15 and spring 16.
The lower end of lock core shaft 14 is fixed on the lower side panel of door 1, lock core shaft 14 is equipped with lock core axle sleeve 15, and lock core shaft 14 rotates in lock core axle sleeve 15.Lock core shaft 14 below lock core axle sleeve 15 is provided with spring 16.The hollow cylinder of lock core axle sleeve 15 is provided with multiple axle sleeve groove 18, the upper end of lock core shaft 14 is axle increment, and axle increment gives prominence to the hollow cylinder of lock core axle sleeve 15.The axle increment of lock core shaft 14 is provided with multiple axle tooth 17.
The upper end of lower lock core mechanism 20 and upper lock core structure 24 is equipped with link lever locking plate 21 and linkage fixing plate 26 respectively, all outstanding link lever locking plate 21 of the hollow cylinder of lock core axle sleeve 15 and the axle increment of lock core shaft 14 or linkage fixing plate 26.Upper conduit 7 and downcomer 6 are all nested with in upper lock core mechanism 24 and lower lock core mechanism 20.
The front end of link lever locking plate 21 is provided with link lock rationed marketing 22 upwardly, the link lever locking pin-and-hole 23 that link lock rationed marketing 22 and lower latch connecting rod 5 are arranged matches, and the left side of link lever locking pin-and-hole 23 has been provided with the locking disk restriction pin 27 that restriction link lever locking plate 21 rotates.
Linkage fixing plate 26 is provided with fixed disk spacer pin 13, the fixed disk limit pin hole 12 on fixed disk spacer pin 13 and catch 25 matches, and catch 25 is arranged on the upper conduit 7 below door 1 epipleural.
Upper latch 2 and lower latch 3 run through epipleural and the lower side panel of door 1 respectively, and upper latch 2 is connected with one end of upper latch connecting rod 4, and the other end of upper latch connecting rod 4 is connected on linkage fixing plate 26.Lower latch 3 is connected with one end of lower latch connecting rod 5, and the other end of lower latch connecting rod 5 is connected on connecting rod fixed disk 26; Upper latch connecting rod 4 and upper latch connecting rod 5 corresponding.Upper latch 2 is with the connection of upper latch connecting rod 4, connecting rod fixed disk 26 and is flexibly connected.Lower latch 3 is with the connection of lower latch connecting rod 5, connecting rod fixed disk 26 and is flexibly connected.
Lock core mechanism and external key match, and the hollow section of the front end of key are provided with multiple key bit 19, and the quantity of key bit 19 is equal with the quantity of axle sleeve groove 18.
The utility model locking means is divided into two steps, and its concrete steps are as follows:
1, first, use key to be inserted in upper conduit 7 from the upper keyhole 10 in the middle of upper conduit fixed disk 8, after the hollow section of key front end is inserted in axle tooth 17, the axle sleeve groove 18 of the key bit 19 on hollow section and lock core shaft 14 upper end matches; Then key presses down and rotates, linkage fixing plate 26 declines and with the rotation of key to right rotation, fixed disk spacer pin 13 on linkage fixing plate 26 arrives below the fixed disk limit pin hole 12 on catch 25, then key is extracted, linkage fixing plate 26 is up under the action of the spring 16, fixed disk spacer pin 13 penetrates in fixed disk limit pin hole 12, and now the locking of locking at upper lock core structure 18 place is complete;
2, secondly, the lower keyhole 11 of key in the middle of downcomer fixed disk 9 is used to be inserted in downcomer 6, after the hollow section of key front end is inserted in tooth axle 17, the axle sleeve groove 18 of the key bit 19 on hollow section and lock core shaft 14 upper end matches, then key presses down and rotates, link lever locking plate 21 declines and with the rotation of key to anticlockwise, link lock rationed marketing 22 on link lever locking plate 21 arrives below the link lever locking pin-and-hole 23 on lower latch connecting rod 5, then key is extracted, link lever locking plate 21 is up under the action of the spring 16, link lock rationed marketing 22 penetrates in link lever locking pin-and-hole 23, this at present latch connecting rod be fixed, lock simultaneously and be again locked, so far achieve and lock and twice locking.
Otherwise method for unlocking carries out.
Above-mentioned embodiment is not to restriction of the present utility model; the utility model is also not limited in above-mentioned citing; the change that those skilled in the art make within the scope of the technical solution of the utility model, remodeling, interpolation or replacement, also all belong to protection domain of the present utility model.
Claims (5)
1. a theftproof lock, it is characterized in that: it comprises lock core mechanism, described lock core mechanism is two, be divided into lower lock core mechanism (20) and upper lock core structure (24), the angle between lower lock core mechanism (20) and upper lock core structure (24) is 25 ~ 45 °; Lower lock core mechanism (20) and upper lock core structure (24) are by lock core shaft (14), lock core axle sleeve (15) and spring (16) composition;
The lower end of described lock core shaft (14) is fixed on the lower side panel of door (1), lock core shaft (14) is equipped with lock core axle sleeve (15), and lock core shaft (14) rotates in lock core axle sleeve (15); Lock core shaft (14) below lock core axle sleeve (15) is provided with spring (16); The hollow cylinder of lock core axle sleeve (15) is provided with multiple axle sleeve groove (18), the upper end of lock core shaft (14) is axle increment, and the axle increment of lock core shaft (14) is provided with multiple axle tooth (17);
The upper end of described lower lock core mechanism (20) and upper lock core structure (24) is equipped with link lever locking plate (21) and linkage fixing plate (26) respectively, all outstanding link lever locking plate (21) of the hollow cylinder of lock core axle sleeve (15) and the axle increment of lock core shaft (14) or linkage fixing plate (26); Upper conduit (7) and downcomer (6) are all nested with in upper lock core mechanism (24) and lower lock core mechanism (20);
The front end of described link lever locking plate (21) is provided with link lock rationed marketing (22) upwardly, link lock rationed marketing (22) matches with the upper link lever locking pin-and-hole (23) arranged of lower latch connecting rod (5), and the left side of link lever locking pin-and-hole (23) has been provided with locking disk restriction pin (27) limiting link lever locking plate (21) and rotate.
2. theftproof lock according to claim 1, it is characterized in that: described linkage fixing plate (26) is provided with fixed disk spacer pin (13), fixed disk limit pin hole (12) on fixed disk spacer pin (13) and catch (25) matches, and catch (25) is arranged on the upper conduit (7) below door (1) epipleural.
3. theftproof lock according to claim 1, is characterized in that: it also comprises latch (2) and lower latch (3); Described upper latch (2) and lower latch (3) run through epipleural and the lower side panel of door (1) respectively, upper latch (2) is connected with one end of upper latch connecting rod (4), and the other end of upper latch connecting rod (4) is connected on linkage fixing plate (26); Lower latch (3) is connected with one end of lower latch connecting rod (5), and the other end of lower latch connecting rod (5) is connected on connecting rod fixed disk (26); Upper latch connecting rod (4) and upper latch connecting rod (5) corresponding.
4. theftproof lock according to claim 3, is characterized in that: described upper latch (2) is with the connection of upper latch connecting rod (4), connecting rod fixed disk (26) and is flexibly connected; Lower latch (3) is with the connection of lower latch connecting rod (5), connecting rod fixed disk (26) and is flexibly connected.
5. theftproof lock according to claim 1, it is characterized in that: described lock core mechanism and external key match, the hollow section of the front end of key is provided with multiple key bit (19), the quantity of key bit (19) is equal with the quantity of axle sleeve groove (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520482051.2U CN204804508U (en) | 2015-07-07 | 2015-07-07 | Anti -theft lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520482051.2U CN204804508U (en) | 2015-07-07 | 2015-07-07 | Anti -theft lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204804508U true CN204804508U (en) | 2015-11-25 |
Family
ID=54589352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520482051.2U Expired - Fee Related CN204804508U (en) | 2015-07-07 | 2015-07-07 | Anti -theft lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204804508U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104912402A (en) * | 2015-07-07 | 2015-09-16 | 田秀斌 | Anti-theft lock and method |
-
2015
- 2015-07-07 CN CN201520482051.2U patent/CN204804508U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104912402A (en) * | 2015-07-07 | 2015-09-16 | 田秀斌 | Anti-theft lock and method |
| CN104912402B (en) * | 2015-07-07 | 2017-05-10 | 田秀斌 | Anti-theft lock and method |
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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: 20151125 Termination date: 20170707 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |