CN103075052B - Quick-locking anti-theft door lock - Google Patents
Quick-locking anti-theft door lock Download PDFInfo
- Publication number
- CN103075052B CN103075052B CN201210589879.9A CN201210589879A CN103075052B CN 103075052 B CN103075052 B CN 103075052B CN 201210589879 A CN201210589879 A CN 201210589879A CN 103075052 B CN103075052 B CN 103075052B
- Authority
- CN
- China
- Prior art keywords
- locking
- lock body
- lock
- oscillating deck
- plate
- 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.)
- Active
Links
Landscapes
- Lock And Its Accessories (AREA)
Abstract
The invention relates to a quick-locking anti-theft door lock comprising a box-shaped lock body, wherein a lock bolt and a bearing plate which are connected together are arranged in the lock body, an oblique tongue component is also arranged in the lock body, a spring for impelling the lock bolt to extend to the outer side of the lock body is arranged in the lock body, a transmission mechanism is arranged on the oblique tongue component, one-way clamping connection structures are arranged between the transmission mechanism and the bearing plate, the one-way clamping connection structures between the transmission mechanism and the bearing plate are mutually in clamping connection together after the lock bolt is contracted into the lock body so as to restrict the lock bolt from moving towards the outer side of the lock body, and the disengagement of the one-way clamping connection structures is impelled by the action of an oblique tongue to the transmission mechanism in the process that the oblique tongue extends from the inside of the lock body. According to the anti-theft door lock, the aim that the lock bolt participates in the locking of the anti-theft door is realized in the process of door closing of the anti-theft door, a key does not need to be used or an outer handle of the door does not need to be operated, the step of locking the door is simplified, and the safety of the anti-theft door is ensured.
Description
Technical field
The present invention relates to a kind of safe-guard door lock, particularly relate to a kind of safe-guard door lock realizing quick lock in.
Background technology
The structure of safe-guard door lock mainly comprises box-like lock body, is provided with the supporting plate and locking bolt that link together, in lock body, is also provided with latch bolt assembly in lock body.Security door is played to the mainly locking bolt of locking action, locking bolt is extended to be plugged in the locking bolt hole in doorframe outside lock body, and realizes the locking to security door.Latch bolt is normally be in the state that reaches outside lock body, and in door closing procedure, latch bolt is first promoted to enter in lock body by doorframe, after a closedown puts in place, latch bolt in latch bolt assembly push away the promotion of spring under, still can reach the outside of lock body, and be plugged in the inclined tongue hole in doorframe.On some safe-guard door lock, latch bolt also as the locking piece of security door, but when utilizing merely latch bolt as locking piece, in the gap that inserted sheet can be utilized to be inserted between door and doorframe, and can realize the unlatching of door easily, therefore, and the poor stability of this lock mode.Improve the safety of security door, be necessary to allow locking bolt participate in the locking of opposite house.On existing most safe-guard door lock, realize master latch and participate in the locking of security door, need, with key rotation lock core, locking bolt then just can be made to reach outside lock body, this mode of operation seems trouble.
Also have now and to realize locking bolt by rotating door outer handle and reach safe-guard door lock outside lock body, but realize the locking that locking bolt participates in door, still need by operation door outer handle, and once forget handle operation outdoors, the locking of security door can only be rely on latch bolt, thus brings great hidden danger to the safety of security door.
Summary of the invention
For overcoming above-mentioned defect, the object of the invention is: provide one to lock safe-guard door lock soon, in door closing procedure, the locking bolt of safe-guard door lock fast automaticly can reach the locking participated in outside lock body security door.
For achieving the above object and the technical measures taked: one locks safe-guard door lock soon, comprise box-like lock body, the locking bolt and supporting plate that link together is provided with in lock body, latch bolt assembly is also provided with in lock body, it is characterized in that: be provided with in lock body and impel locking bolt to reach spring outside lock body, latch bolt assembly is provided with transmission mechanism, unidirectional interface arrangment is provided with between transmission mechanism and supporting plate, locking bolt is retracted into after in lock body, unidirectional interface arrangment between transmission mechanism and supporting plate is connected together mutually, to limit locking bolt towards lock body movement outside, impel described unidirectional interface arrangment to throw off in the process of stretching out in latch bolt self-locking body to transmission mechanism effect.Described unidirectional interface arrangment reaches the outside of lock body for limiting locking bolt, and locking bolt is retracted in the process in lock body, and this unidirectional interface arrangment can not limit locking bolt and be retracted in lock body.Realizing security door at closing time, doorframe first promotes latch bolt and enters in lock body, latch bolt pushes away in the process reaching outside lock body under spring promotes in latch bolt assembly, made described unidirectional interface arrangment throw off by transmission mechanism, under the promotion of spring, locking bolt can reach the outside of lock body completely, and participates in the locking to security door.
Described transmission mechanism comprises pull hook sheet, locking plate and the elastic component acted on locking plate of dihedral, pull hook sheet to be fixed on latch bolt assembly and with latch bolt synchronous interaction, pull hook sheet is provided with the clasp joint bar stretching to locking plate, the bight of locking plate is articulated in lock body by pivot, described unidirectional interface arrangment is arranged between supporting plate and locking plate, described elastic component impels locking plate towards the direction motion that unidirectional interface arrangment is connected together, latch bolt is towards in lock body movement outside process, pull hook sheet impels locking plate to rotate towards the direction of throwing off described unidirectional interface arrangment.
Be provided with oscillating deck at the dorsal part of locking plate, the inner of oscillating deck is provided with elongated hole, and elongated hole is socketed on described pivot with gap, is provided with extension spring between the outer end of oscillating deck and lock body, and oscillating deck and locking plate are actively coupled; The outer end of oscillating deck is provided with for the convex body together with the phase clasp joint of clasp joint bar outer end.
The direction of motion of described convex body relative to latch bolt on oscillating deck is obliquely installed.
Locking plate is connected with reversed column, and the inner side of reversed column self-locking plate extend into the position of oscillating deck.
The outer end of described oscillating deck is provided with shelf, and shelf and described convex body divide the relative both sides being listed in oscillating deck, and shelf is shelved on the inner surface of lock body, and one end socket of extension spring on the shelf.
Described elastic component is the torsion spring be socketed on pivot, and one end of torsion spring acts on locking plate, and the other end acts on lock body.
Described unidirectional interface arrangment comprises the some latches be located on transmission mechanism and the card convex be connected as a single entity with supporting plate.
Supporting plate is provided with pin, and the side plate of lock body is provided with connecting column, and pin and connecting column are all arranged along the direction of motion of locking bolt, and pin and connecting column stretch out toward each other, and the two ends of spring are socketed on pin and connecting column respectively.
Beneficial effect of the present invention is: security door at closing time, enter into latch bolt in lock body when stretching out outside lock body, described transmission mechanism can make described unidirectional interface arrangment throw off mutually, under the promotion of spring, locking bolt can reach the outside of lock body fast automaticly, locking bolt is closing in the locking automatically participated in behind the door security door, and do not need the rotation by key or operation door outer handle, the locking of security door is quick and convenient.Because locking bolt participates in the locking to security door, relative to simple by the locking of latch bolt realization for security door, the security performance of security door accesses guarantee, not easily opens security door from the mode adopting non-key to open outdoors.
Accompanying drawing explanation
Fig. 1 is the internal construction schematic diagram of this fast locking safe-guard door lock.
Fig. 2 is the structural representation of latch bolt assembly.
Fig. 3 is the right view of supporting plate.
Fig. 4 is the front view of locking plate.
Fig. 5 is the left view of locking plate.
Fig. 6 is the front view of oscillating deck.
Fig. 7 is the upward view of oscillating deck.
Detailed description of the invention
The structure of this fast locking safe-guard door lock comprises lock body 1, is provided with the locking bolt 16 and supporting plate 17 that link together, is also provided with latch bolt assembly in lock body 1 in lock body 1.In lock body 1, be stacked with portable plate 2 on supporting plate 17, portable plate 2 can only do the motion perpendicular to locking bolt 16 direction of motion in lock body 1.Supporting plate 17 is fixed with limited post 4, portable plate 2 is provided with limited mouth 25, and locking bolt 16 reaches the outer rear flank of lock body 1 completely, and limited mouth 25 is connected on limited post 4, and realizes the clamping by portable plate 2 pairs of locking bolts 16.Shifting block on burglarproof door lock first pushes portable plate 2 aside under the drive of key, makes limited mouth 25 and limited post 4 remove clamping, and then stirs supporting plate 17 and move, to complete the unlatching of safe-guard door lock towards the direction of locking bolt 16 indentation.
The structure of described latch bolt assembly comprises latch bolt 15, the body of rod 13 and pushes away spring 14, and latch bolt 15 is connected to the outer end of the body of rod 13, pushes away spring 14 and is socketed on the body of rod 13, and the elastic force pushing away spring 14 impels latch bolt 15 to have the trend reached outside lock body 1.Between latch bolt assembly and supporting plate 17, be provided with transmission mechanism, the structure of transmission mechanism comprises the pull hook sheet 12 being fixed on the body of rod 13 inner end and the locking plate 5 be arranged on actively in lock body 1.
Locking plate 5 is in dihedral, and have pivot 6 at lock body 1 internal fixtion, the bight of locking plate 5 is articulated on pivot 6, and locking plate 5 can pivot 6 be that fulcrum rotates in lock body 1.Pull hook sheet 12 is provided with the clasp joint bar 11 be connected as a single entity with it, and locking plate 5 is stretched in the outer end of clasp joint bar 11, and the outer end of clasp joint bar 11 is hook-shaped.
Described transmission mechanism also comprises oscillating deck 8, and the inner end of oscillating deck 8 is provided with elongated hole 23, and described locking plate 5 is stacked on oscillating deck 8, and the elongated hole 23 on oscillating deck 8 is socketed on pivot 6 with gap.
The outer end of oscillating deck 8 is provided with block convex body 10, and this convex body 10 can be one-body molded with oscillating deck 8, or is arranged on oscillating deck 8 by the mode of welding.The outer end of oscillating deck 8 is also provided with shelf 24, shelf 24 for being shelved on the inner surface of lock body 1, to provide stable support for the swing of oscillating deck 8 in lock body 1.Shelf 24 can be one-body molded with oscillating deck 8, or is arranged on oscillating deck 8 by the mode of welding.Convex body 10 is listed in the relative both sides of oscillating deck 8 with shelf 24 points, and convex body 10 is positioned at the outside of oscillating deck 8, and shelf 24 is positioned at the inner side of oscillating deck 8.Convex body 10 is arranged in oscillating deck 8 surface thereof, between the direction of motion of i.e. convex body 10 and locking bolt 16, there is acute angle, this facilitate that clasp joint bar 11 is when following latch bolt 15 and being retracted into the motion adapted in lock body 1, the outer end of clasp joint bar 11 pushes oscillating deck 8 smoothly open, and the outer end of convenient hanger extension bar 11 is together with this convex body 10 clasp joint, and oscillating deck 8 is driven to swing.
In lock body 1, be provided with extension spring 9, an end of this extension spring 9 is socketed on shelf 24, so that when the outer end of clasp joint bar 11 pushes oscillating deck 8 open, oscillating deck 8 can reset under the pulling of extension spring 9 so that the outer end of clasp joint bar 11 stably clasp joint live convex body 10.
Oscillating deck 8 and locking plate 5 are actively coupled, the inner side edge of locking plate 5 is provided with the reversed column 21 be connected as a single entity with it, the inner side edge (namely towards a side of latch bolt assembly) of reversed column 21 to locking plate 5 extend into the position of oscillating deck 8, oscillating deck 8 is when being pulled by clasp joint bar 11, and oscillating deck 8 drives locking plate 5 to rotate in lock body 1 by reversed column 21.
Above-mentioned pivot 6 is socketed with torsion spring 7, and one end of torsion spring 7 acts on locking plate 5, and the other end acts on the side plate of lock body 1.
Unidirectional interface arrangment is provided with between locking plate 5 and supporting plate 17, be retracted into after in lock body 1 at locking bolt 16, be generally that locking bolt 16 is fully retracted in lock body 1, the unidirectional interface arrangment on locking plate 5 and supporting plate 17 is connected together, mutually to limit the outside that locking bolt 16 reaches lock body 1.And in the process that locking bolt 16 is retracted in lock body 1, this unidirectional interface arrangment can not limit locking bolt 16.This unidirectional interface arrangment comprises is located on supporting plate 17 and the card convex 18 be connected as a single entity with supporting plate 17 and the some latches 22 (being generally two) be formed on locking plate 5 inner side edge, and medial surface locking plate 5 being provided with latch 22 is step-like.
Be provided with in lock body 1 and impel locking bolt 16 to reach spring 20 outside lock body 1, specifically on supporting plate 17, be provided with pin 19, the side plate of lock body 1 embeds connecting column 3, pin 19 and connecting column 3 are all arranged along the direction of motion of locking bolt 16, pin 19 and connecting column 3 stretch out toward each other, and the two ends of spring 20 are socketed on pin 19 and connecting column 3 respectively.
Above-mentioned transmission mechanism also can be replaced by pull bar, switch block, and pull bar can be fixed on the body of rod 13 in latch bolt assembly, and switch block is located at lock body 1 rotationally.Pull bar and the joining end of switch block are provided with elongated hole, to cut down the impact on switch block circumferential position in process that latch bolt 15 is retracted in lock body 1.Can be provided with for the card column with set bayonet socket phase clamping on supporting plate 17 on switch block, when latch bolt 15 is moved outside lock body 1, pull switch block by pull bar and remove the clamping of card column to bayonet socket, so that locking bolt 16 can outside auto-extending to lock body 1 under the promotion of spring 20.But the inconvenience of the transmission mechanism of this structure is arranged in lock body 1, and requires that the spring 14 that pushes away in latch bolt assembly has larger thrust.And utilize the locking plate 5 of above-mentioned dihedral can make full use of space in lock body 1, and the locking plate 5 of dihedral is convenient to transmission, little to the thrust requirements of spring 20 in latch bolt assembly.
This safe-guard door lock is assemblied in after on security door, at closing time, doorframe promotes latch bolt 15 and is retracted in lock body 1, the pull hook sheet 12 be fixed on the body of rod 13 is followed and is done corresponding motion together, clasp joint bar 11 on pull hook sheet 12 promotes oscillating deck 8 by convex body 10 and overcomes the pulling force of extension spring 9 and be that the motion of clasp joint bar 11 allows open position, the outer end of pull hook sheet 12 be moveable to the outside of convex body 10.After door is closed and put in place, restriction to latch bolt 15 removed by doorframe, and under the promotion pushing away spring 14, latch bolt 15 to be stretched out outside lock body 1 and is plugged in the inclined tongue hole on doorframe.Latch bolt 15 is reaching in the process outside lock body 1, the outer end clasp joint of clasp joint bar 11 lives convex body 10, and and then impel oscillating deck 8 to swing to latch bolt 15 direction, oscillating deck 8 makes locking plate 5 rotate on pivot 6 by reversed column 21, thus make latch 22 remove clamping to card convex 18, under the promotion of spring 20, locking bolt 16 can reach the outside of lock body 1 without barrier.Locking bolt 16 retracts in the process in lock body 1, card convex 18 contacts and skims on latch 22, and the torsion spring 7 on pivot 6 impels locking plate 5 to move towards the direction of latch 22 pairs of unidirectional clampings of card convex 18, locking bolt 16 is fully retracted after in lock body 1, and latch 22 is connected in card convex 18 and limits the outside that locking bolt 16 reaches lock body 1.
In the application of reality, realize the outside that locking bolt 16 reaches lock body 1, in fact can complete in a short period of time, after namely security door cuts out and puts in place, namely locking bolt 16 reaches the outside of lock body 1 completely, and participates in the locking to security door.Realize the unlatching of this safe-guard door lock, then need to use key.House-owner also can complete the safety locking to safe-guard door lock in indoor, namely utilize door Internal handle after making latch bolt 15 make retracting action, can realize the outside that locking bolt 16 reaches lock body 1 by latch bolt pulling sleeve assembly.
Claims (9)
1. one kind locks safe-guard door lock soon, comprise box-like lock body, the locking bolt and supporting plate that link together is provided with in lock body, latch bolt assembly is also provided with in lock body, it is characterized in that: be provided with in lock body and impel locking bolt to reach spring outside lock body, latch bolt assembly is provided with transmission mechanism, unidirectional interface arrangment is provided with between transmission mechanism and supporting plate, locking bolt is retracted into after in lock body, unidirectional interface arrangment between transmission mechanism and supporting plate is connected together mutually, to limit locking bolt towards lock body movement outside, impel described unidirectional interface arrangment to throw off in the process of stretching out in latch bolt self-locking body to transmission mechanism effect.
2. by fast locking safe-guard door lock according to claim 1, it is characterized in that: described transmission mechanism comprises pull hook sheet, locking plate and the elastic component acted on locking plate of dihedral, pull hook sheet to be fixed on latch bolt assembly and with latch bolt synchronous interaction, pull hook sheet is provided with the clasp joint bar stretching to locking plate, the bight of locking plate is articulated in lock body by pivot, described unidirectional interface arrangment is arranged between supporting plate and locking plate, described elastic component impels locking plate towards the direction motion that unidirectional interface arrangment is connected together, latch bolt is towards in lock body movement outside process, pull hook sheet impels locking plate to rotate towards the direction of throwing off described unidirectional interface arrangment.
3. by fast locking safe-guard door lock according to claim 2, it is characterized in that: be provided with oscillating deck at the dorsal part of locking plate, the inner of oscillating deck is provided with elongated hole, and elongated hole is socketed on described pivot with gap, be provided with extension spring between the outer end of oscillating deck and lock body, oscillating deck and locking plate are actively coupled; The outer end of oscillating deck is provided with for the convex body together with the phase clasp joint of clasp joint bar outer end.
4., by fast locking safe-guard door lock according to claim 3, it is characterized in that: the direction of motion of described convex body relative to latch bolt on oscillating deck is obliquely installed.
5., by the fast locking safe-guard door lock described in claim 3 or 4, it is characterized in that: on locking plate, be connected with reversed column, the inner side of reversed column self-locking plate extend into the position of oscillating deck.
6. by the fast locking safe-guard door lock described in claim 3 or 4, it is characterized in that: the outer end of described oscillating deck is provided with shelf, shelf and described convex body divide the relative both sides being listed in oscillating deck, and shelf is shelved on the inner surface of lock body, and one end socket of extension spring on the shelf.
7., by the fast locking safe-guard door lock described in claim 2,3 or 4, it is characterized in that: described elastic component is the torsion spring be socketed on pivot, one end of torsion spring acts on locking plate, and the other end acts on lock body.
8., by the fast locking safe-guard door lock described in claim 1,2,3 or 4, it is characterized in that: described unidirectional interface arrangment comprises the some latches be located on transmission mechanism and the card convex be connected as a single entity with supporting plate.
9. by the fast locking safe-guard door lock described in claim 1,2,3 or 4, it is characterized in that: supporting plate is provided with pin, the side plate of lock body is provided with connecting column, pin and connecting column are all arranged along the direction of motion of locking bolt, pin and connecting column stretch out toward each other, and the two ends of spring are socketed on pin and connecting column respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210589879.9A CN103075052B (en) | 2012-12-24 | 2012-12-24 | Quick-locking anti-theft door lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210589879.9A CN103075052B (en) | 2012-12-24 | 2012-12-24 | Quick-locking anti-theft door lock |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103075052A CN103075052A (en) | 2013-05-01 |
| CN103075052B true CN103075052B (en) | 2015-01-21 |
Family
ID=48151738
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210589879.9A Active CN103075052B (en) | 2012-12-24 | 2012-12-24 | Quick-locking anti-theft door lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103075052B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108590371A (en) * | 2018-04-24 | 2018-09-28 | 商华益 | A kind of lock body of safe-guard door lock is from playing structure |
| CN110630115A (en) * | 2019-10-24 | 2019-12-31 | 浙江保德安锁业有限公司 | Automatic locking anti-theft door lock |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1669525A1 (en) * | 2004-12-13 | 2006-06-14 | Talleres De Escoriaza, S.A. | Mortised lock with automatic locking of the dead-bolt |
| CN201225043Y (en) * | 2008-06-19 | 2009-04-22 | 中山市华锋制锁有限公司 | Multifunctional mortise door lock capable of being opened and closed rapidly |
| CN202324889U (en) * | 2011-11-02 | 2012-07-11 | 刘恩 | Automatic locking burglarproof lock |
| CN202324888U (en) * | 2011-11-02 | 2012-07-11 | 刘恩 | Automatic anti-theft lock of rotating T-shaped bolt body in straight spring bolt |
-
2012
- 2012-12-24 CN CN201210589879.9A patent/CN103075052B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1669525A1 (en) * | 2004-12-13 | 2006-06-14 | Talleres De Escoriaza, S.A. | Mortised lock with automatic locking of the dead-bolt |
| CN201225043Y (en) * | 2008-06-19 | 2009-04-22 | 中山市华锋制锁有限公司 | Multifunctional mortise door lock capable of being opened and closed rapidly |
| CN202324889U (en) * | 2011-11-02 | 2012-07-11 | 刘恩 | Automatic locking burglarproof lock |
| CN202324888U (en) * | 2011-11-02 | 2012-07-11 | 刘恩 | Automatic anti-theft lock of rotating T-shaped bolt body in straight spring bolt |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103075052A (en) | 2013-05-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TWM338888U (en) | Door lock having transmission mechanism | |
| GB2497870A (en) | Connecting mechanism of cover of toilet with easy assembly and disassembly and method | |
| CN103075052B (en) | Quick-locking anti-theft door lock | |
| KR100807590B1 (en) | Doorlock mortise with converting direction | |
| RU2015129472A (en) | DOOR LOCK | |
| CN203081050U (en) | Fast locking transmission mechanism in safe-guard chain door lock | |
| CN109025520B (en) | Manual-automatic integrated embedded automatic lock | |
| CN201232416Y (en) | Automatic door lock with magnetron lock-tongue ejection mechanism | |
| CN102936983B (en) | Door lock for restroom | |
| JP5886549B2 (en) | Door lock | |
| WO2016011771A1 (en) | Handle drive device | |
| JP2008057208A (en) | Action bolt mechanism | |
| KR101626120B1 (en) | A mortise | |
| CN210032914U (en) | Locking mechanism of door and window handle | |
| CN219931876U (en) | Multipurpose lockset | |
| JP2012219467A (en) | Dead bolt type hook lock for sliding door | |
| CN201857815U (en) | Mechanical lock without lock hole and special key thereof | |
| CN220504790U (en) | Oblique tongue lock for preventing door from being inserted | |
| CN201810102U (en) | Safe capable of automatically opening and closing door | |
| CN107592771B (en) | Three-section type sliding rail capable of moving sequentially for server | |
| CN109854098A (en) | A kind of lockset for tool case | |
| CN204850774U (en) | Can open pickproof lock of oblique tongue of master lock tongue and insurance tongue simultaneously | |
| CN101775933B (en) | Door lock | |
| CN219931877U (en) | Unlocking mechanism for non-starting piece of lockset | |
| CN109990352B (en) | A smoke guide locking mechanism for range hood |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |