CN2620033Y - Lock jointting device for anti-theft door - Google Patents
Lock jointting device for anti-theft door Download PDFInfo
- Publication number
- CN2620033Y CN2620033Y CN 03231552 CN03231552U CN2620033Y CN 2620033 Y CN2620033 Y CN 2620033Y CN 03231552 CN03231552 CN 03231552 CN 03231552 U CN03231552 U CN 03231552U CN 2620033 Y CN2620033 Y CN 2620033Y
- Authority
- CN
- China
- Prior art keywords
- interlocking
- locking point
- door
- cross locking
- chain
- 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 interlocking device of security door, comprising a lock (4) which is arranged on the door leaf (1) and a bolt (3); the door frame (8) which is oposite to the bolt (3) is provided with an interlocking mechanism; the interlocking mechanism is composed of a sole plate (9), an interlocking plate (10) and a shifting fork (11); the interlocking plate (10) is arranged on the soleplate (9) with the help of the sliding chute (13) on the interlocking plate; the shifting fork is hinged on the soleplate (9); one end of the shifting fork (11) is hinged with the interlocking plate (10), while the other end is matched with the face of the bolt (3); the upper part and the lower part of the door frame (8) are respectively provided with an upper cross locking point (6) and a lower cross locking point (15); and the upper and the lower cross locking point (6, 15) are individually connected with the interlocking plate (10) through the upper and the lower connecting rod (7, 14). Due to the above structure, the linkage of locking point and the mutual cross locking of the interlocking device and the door leaf are in no need to run individually; and the utility model has the advantages of simple structure, convenient operation and great pikcproof ability and so on.
Description
One, technical field
The invention relates to a kind of fixture of security door, particularly a kind of interlock of protecting security door pick-proof limit.
Two, background technology
Development and growth in the living standard along with society, office and the safe precaution measure of inhabitation place also require more and more higher, the quality of the theftproof performance of entering house door directly has influence on the safety of the property and the person, and for this reason, the entering house door great majority have all used the Multiple locking point security door.But at present the security door that uses all can only folk prescription to locking, promptly can only lock to door frame from door leaf, the subject matter of existence is that its pick-proof performance is promptly lost once the pick-proof limit of security door is prized, and does not have real antitheft effect.
Three, summary of the invention
In order to overcome the disadvantage of above-mentioned existence, the invention provide a kind of simple in structure, linkage interlocked, the lock point intersects, the better security door interlock of pick-proof performance.The invention solves the technical scheme that its technical problem adopts and comprises the lock body that is fixed on the door leaf, the dead bolt on the lock body, be fixed with interlocking mechanism on the door frame corresponding with dead bolt, one end of interlocking mechanism is connected with connecting rod, is provided with a last cross locking point that is fixed on the door frame on the last connecting rod at least.
The other end of described interlocking mechanism is connected with lower link, is provided with a following cross locking point that is fixed on the door frame on the lower link at least.
Described interlocking mechanism comprises base plate, chain and shift fork, and chain is arranged on the base plate by the chute on it, and shift fork is hinged on the base plate, and an end of shift fork and chain are hinged, and the other end cooperates with the end face of dead bolt.
After adopting said structure, when door leaf was opened, interlocking mechanism remained upper and lower cross locking point and is in open mode under the effect of deadweight; When door leaf cut out, the dead bolt of lock body withstood shift fork, and shift fork drives chain, chain drives upper and lower strut, makes cross locking point be in locking state all the time, links, intersects interlocking by dead bolt and original lock point on the door leaf, play the effect of dual anti-prying, need not to operate separately; Have advantages such as simple in structure, easy to use, that the pick-proof performance is better.
Four, description of drawings
Fig. 1 is the structural representation of the invention.
Five, the specific embodiment
Shown in Figure 1, specific embodiments for a kind of security door interlock of the invention, it comprises the lock body 4 that is fixed on the door leaf 1, dead bolt 3 on the lock body 4, on, following locking bar 2,5 are connected with lock body 4, be fixed with interlocking mechanism by location-plate 12 on the door frame 8 corresponding with dead bolt 3, described interlocking mechanism comprises base plate 9, chain 10, with shift fork 11, be arranged on the base plate 9 by the chute on it 13 for chain 10, chain 10 relatively base plate 9 move up and down, shift fork 11 is hinged on the base plate 9, one end of shift fork 11 and chain 10 are hinged, the other end cooperates with the end face of dead bolt 3, chain 10 respectively with last, lower link 7,14 connect, on, lower link 7,14 again respectively be fixed on the door frame 8 on, following cross locking point 6,15 connect.The cross locking point 6,15 that is separately positioned on the connecting rod 7,14 also can be provided with more than two or two.
Its course of work is as follows, when locking, under the drive of the dead bolt 3 of lock body, shift fork 11 rotates, and it is up mobile to drive chain 10, by upper and lower connecting rod 7,14 upper and lower cross locking point 6,15 is locked respectively for chain 10, lock point reaches in the door leaf 1 from door frame 8, reaches to link, intersect the requirement of interlocking with original lock point.When unblanking, dead bolt 3 reclaims, and upper and lower cross locking point 6,15 will be locked a little automatically and open under the effect of upper and lower connecting rod 7,14 and chain 10 deadweight, has originality advantages such as simple in structure, intersection interlocking, pick-proof performance are good.
Claims (3)
1, a kind of security door interlock, comprise the lock body (4) that is fixed on the door leaf (1), the dead bolt (3) on the lock body (4), it is characterized in that: be fixed with interlocking mechanism on the door frame (8) corresponding with dead bolt (3), one end of interlocking mechanism is connected with connecting rod (7), is provided with a last cross locking point (6) that is fixed on the door frame (8) on the last connecting rod (7) at least.
2, security door interlock according to claim 1 is characterized in that: the other end of described interlocking mechanism is connected with lower link (14), is provided with a following cross locking point (15) that is fixed on the door frame (8) on the lower link (14) at least.
3, security door interlock according to claim 1 and 2, it is characterized in that: described interlocking mechanism comprises base plate (9), chain (10) and shift fork (11), chain (10) are arranged on the base plate (9) by the chute on it (13), shift fork (11) is hinged on the base plate (9), one end of shift fork (11) and chain (10) are hinged, and the other end cooperates with the end face of dead bolt (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03231552 CN2620033Y (en) | 2003-05-22 | 2003-05-22 | Lock jointting device for anti-theft door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03231552 CN2620033Y (en) | 2003-05-22 | 2003-05-22 | Lock jointting device for anti-theft door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2620033Y true CN2620033Y (en) | 2004-06-09 |
Family
ID=34248220
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03231552 Expired - Fee Related CN2620033Y (en) | 2003-05-22 | 2003-05-22 | Lock jointting device for anti-theft door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2620033Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101929280A (en) * | 2009-06-18 | 2010-12-29 | 川崎重工业株式会社 | The two-stage two-linkage device of side sliding door of cab |
-
2003
- 2003-05-22 CN CN 03231552 patent/CN2620033Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101929280A (en) * | 2009-06-18 | 2010-12-29 | 川崎重工业株式会社 | The two-stage two-linkage device of side sliding door of cab |
| CN101929280B (en) * | 2009-06-18 | 2014-06-18 | 川崎重工业株式会社 | Two-stage two-linkage device for side sliding door of cab |
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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 |