CN104164999A - Safeguard door lock with block-shaped latch - Google Patents
Safeguard door lock with block-shaped latch Download PDFInfo
- Publication number
- CN104164999A CN104164999A CN201410224375.6A CN201410224375A CN104164999A CN 104164999 A CN104164999 A CN 104164999A CN 201410224375 A CN201410224375 A CN 201410224375A CN 104164999 A CN104164999 A CN 104164999A
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- China
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- plectrum
- opening
- master latch
- stop pin
- supporting plate
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Abstract
The invention provides a safeguard door lock with a block-shaped latch. The safeguard door lock comprises a lock body, and a moving plate and a supporting plate which are overlapped are arranged in the lock body. The moving direction of the moving plate and the moving direction of the supporting plate in the lock body are perpendicular to each other. The outer end of the supporting plate is fixedly provided with the block-shaped main latch, the outer end of the main latch is provided with an opening, an axial hole perpendicular to the depth direction of the opening is formed in the main latch, the axial hole is crossed with the opening, a stop pin is formed in the axial hole in a clearance mode, a plectrum is arranged on the supporting plate, the inner end of the plectrum is hinged to the supporting plate, the outer end of the plectrum is connected in the main latch in an inserted mode and is in movable connection with the stop pin. The plectrum is used for poking the stop pin so as to make the stop pin to be inserted into the opening or disengaged from the opening. The stop pin and the opening are formed in the main latch, the stop pin can be connected with a latch structure in a latch hole in a door frame in a clamped mode, and therefore the anti-prying performance of the safeguard door lock is effectively improved.
Description
Technical field
The present invention relates to a kind of safe-guard door lock, relating in particular to a kind of master latch is block safe-guard door lock.
Background technology
Safe-guard door lock, in actual use procedure, is to utilize the locking bolt hole in locking bolt and doorframe plug and realize the locking to security door, realize the unlatching of security door, need to make the locking bolt hole on locking bolt and doorframe be separated.Locking bolt on existing safe-guard door lock has dividing of master latch and latch bolt, and what security door was played to main locking action is master latch.Existing master latch mainly contains straight-bar type, block two kinds of form of structure, corresponding with these two kinds of form of structure, in doorframe, set locking bolt hole is only the hole shape of corresponding shape, master latch is directly plugged in locking bolt hole, between master latch and locking bolt hole, do not have other joining fit structure, that is to say that locking bolt hole can not stop master latch in the set direction of motion.The pick-proof performance of this safe-guard door lock is relatively poor, can not fully ensure the safety of security door.
Summary of the invention
For overcoming above-mentioned defect, the technical issues that need to address of the present invention are: a kind of safe-guard door lock with block locking bolt is provided, and the safety of this safe-guard door lock is good.
For solveing the technical problem, technical scheme of the present invention: a kind of safe-guard door lock with block locking bolt, comprise lock body, in lock body, be provided with stack together portable plate and supporting plate, portable plate with supporting plate the direction of motion in lock body vertical, it is characterized in that, the outer end of supporting plate is fixed with block master latch, the outer end of master latch is provided with opening, in master latch, be provided with the axis hole perpendicular to opening depth direction, axis hole is crossing with opening, axis hole internal clearance be provided with stop pin, on supporting plate, be provided with plectrum, the inner end of plectrum is hinged on supporting plate, the outer end of plectrum is plugged in master latch and is actively coupled with stop pin, plectrum is used for stirring stop pin and is inserted in opening or is separated with opening.Corresponding with this safe-guard door lock, in actual use procedure, in doorframe lock keyhole, need to arrange door bolt structure, after master latch is plugged in locking bolt hole completely, stop pin is plugged in the opening on master latch, because stop pin is to fastening the barrier effect of structure with a bolt or latch in locking bolt hole, master latch can not realized easily with locking bolt hole and throwing off mutually.
One side of plectrum inner end is provided with the shifting block of protrusion, the opposite side of plectrum the inner is provided with the plush copper of protrusion, on portable plate, be provided with the block body that stretches to supporting plate, block body is positioned on the direct of travel of plush copper, outside master latch reaches lock body completely time, to stopping of plush copper, plectrum is swung by block body, and drive stop pin to be inserted in opening; It is to stir shifting block by the shifting block of tapered end on safe-guard door lock to realize that stop pin is thrown off mutually with opening.Because portable plate is vertical in the direction of motion with supporting plate, in the direction of motion of supporting plate, portable plate is in relatively static state, in supporting plate motion process, block body on portable plate is by stopping contact plush copper, and the outer end that makes plectrum has the direction swing towards master latch upper shed, and drive stop pin to be plugged in the opening on master latch.By block body and plush copper are set, simple in structure, functional reliability good, can make stop pin locate to be in place inserted in the opening on master latch by block body arranging of relevant position on portable plate, be that master latch is after grafting puts in place, to stopping of plush copper, stop pin is inserted in opening by block body, thereby make master latch in traveling process, stop pin can be avoided the door bolt structure in doorframe.And by the structure design to shifting block, and the structure design of corresponding site on portable plate, can in the time carry out opening door lock, can stir shifting block and make plectrum backswing by the shifting block on tapered end, make master latch contracting before the motion of lock body inside, stop pin is thrown off mutually with the opening on master latch, and is convenient to the retraction of master latch.
On lock body, have cover plate, be on the cover board provided with penetrating gathering sill, gathering sill, along arranging in the direction of motion of supporting plate, is provided with breach at the end of gathering sill near a side of opening; Plectrum is provided with guide way, and the outer end of guide way is plugged in gathering sill with gap.The terminal position of gathering sill and supporting plate adapt to the largest static point of lock extracorporeal movement, be provided with gathering sill and by gathering sill, the guiding of guide way on plectrum limited, and make plectrum along with supporting plate towards the leading portion of lock body movement outside on static state relative to supporting plate, thereby can effectively ensure the stability of stop pin in axis hole, be convenient to master latch and be plugged into smoothly in locking bolt hole, in doorframe lock keyhole, set door bolt structure can be plugged in the opening of master latch smoothly.The breach arranging is also convenient to the motion of guide way in stop pin is inserted into master latch opening time.
On plectrum, in the one-body molded steadying plate that has protrusion in the outside of master latch, steadying plate side towards described opening on plectrum is stretched out, steadying plate and supporting plate laminating.By described steadying plate is set, can provide stabilization for the swing of plectrum, the set-up mode of steadying plate also makes to be formed with leg-of-mutton supporting relation on plectrum, and the kinetic stability of steadying plate is good.
Described steadying plate is curved, and steadying plate is towards the bending of plectrum inner end.This shape of steadying plate can adapt to the direction of motion of plectrum well, can effectively improve the stability in plectrum motion process.
In described master latch, be provided with socket, the outer end of master latch is plugged in socket, and socket communicates with axis hole, and plectrum outer end is connected with stop pin through socket.The position of socket is generally the medium position place that is positioned at master latch thickness direction, by being set, socket facilitates being on the one hand connected of master latch and supporting plate, outer end by plectrum can facilitate connecting of plectrum and stop pin through socket on the other hand, and plectrum can fit with supporting plate to greatest extent, the good stability of plectrum in motion process.
Outside at master latch is enclosed with guard shield, and guard shield is " Contraband " shape, and guard shield, master latch and supporting plate pass through together with rivet.By described guard shield being set for master latch provides protection, can effectively reduce the material price of master latch, and make to be convenient to process socket on master latch.
The side face of described stop pin is provided with cannelure, and the outer end of plectrum is plugged in cannelure with gap.On stop pin, facilitate and the connecting of plectrum by cannelure is set, make simple in structure.
The width that is greater than opening on stop pin in the length of the Plug Division of cannelure one side, the axis hole in master latch runs through opening, reaches rear flank outside lock body completely at master latch, and opening is run through in the Plug Division on stop pin.Axis hole runs through opening and refers to that axis hole extends to the both sides of master latch inner opening, and the length of Plug Division is greater than the width of opening, fasten structure in to locking bolt hole with a bolt or latch while carrying out clamping realizing stop pin, the two ends of stop pin are all positioned at master latch, and stop pin has good clamping stability.
Beneficial effect of the present invention is: because the end of the master latch block is provided with opening, and in master latch, be provided with stop pin, stop pin by with locking bolt hole in the clamping of door bolt structure phase after, safe-guard door lock has good locking action, the pick-proof of this safe-guard door lock is effective.
Brief description of the drawings
Fig. 1 is the structural representation of this safe-guard door lock under opening.
Fig. 2 is the structural representation under this safe-guard door lock is in the lock state.
Fig. 3 is the structure chart of plectrum.
Fig. 4 is the structure chart of cover plate.
Fig. 5 is the front view of portable plate.
Fig. 6 is the top view of portable plate.
Fig. 7 is the structure chart of guard shield.
Detailed description of the invention
See in figure, the structure that the present invention has the safe-guard door lock of block locking bolt comprises box-like lock body 1, is stacked with portable plate 4 and supporting plate 11 in lock body 1, and the outer end of supporting plate 11 is fixed with block master latch 15.On portable plate 4, there are multiple bayonet sockets, these bayonet sockets successively with supporting plate 11 on card column 6 phase clampings, make supporting plate 11 drive master latch 15 to move with the motion mode of stagewise.In lock body 1, be fixed with bumping post 16, the chute 21 on portable plate 4 is socketed on bumping post 16, and the extension spring 2 being connected in lock body 1 is connected with portable plate 4, makes portable plate 4 be close to bumping post 16.Shifting block on burglarproof door lock overcomes the pulling force of extension spring 2 by stirring portable plate 4, portable plate 4 is moved along the direction of chute 21.Stir portable plate 4 one time at tapered end, portable plate 4 departs from card column 6, and shifting block makes supporting plate 11 along moving perpendicular to the direction of portable plate 4 directions of motion.
Outer end at master latch 15 is provided with the opening 13 of " Qian " shape, is provided with axis hole 12 in master latch 15, and axis hole 12 is perpendicular to the depth direction of opening 13.Axis hole 12 internal clearances be provided with stop pin 14, stop pin 14 is for being plugged in opening 13 or throwing off mutually with opening 13.After this safe-guard door lock is applied on security door, in doorframe, be provided with the locking bolt hole for matching with master latch 15, in locking bolt hole, be provided with door bolt structure, stop pin 14 be plugged into opening 13 interior after, stop pin 14 and the clamping of door bolt structure phase, after stop pin 14 is thrown off with opening 13, door bolt structure can freedom plug with opening 13 or throw off mutually.
The motion of stop pin 14 is realized by stirring of plectrum 3, plectrum 3 is stacked on supporting plate 11, the inner of plectrum 3 is hinged on supporting plate 11, the outer end of plectrum 3 extend in axis hole 12 and is actively coupled with stop pin 14, specifically, the outer peripheral face of stop pin 14 is provided with cannelure, and the outer end of plectrum 3 is plugged in cannelure.The inner end of plectrum 3 is to be in fact socketed in aforesaid card column 6, is hinged with supporting plate 11 and realize plectrum 3, and plectrum 3 is except self can swing, and plectrum 3 is followed supporting plate 11 and moved together.
Be formed with the shifting block 5 of protrusion towards a side of tapered end in plectrum 3 the inners, the one-body molded plush copper 7 that has protrusion of opposite side of plectrum 3 inner ends, both sides of shifting block 5 and plush copper 7 are all done smoothing processing and are processed.On portable plate 4, be provided with the block body 9 that stretches to supporting plate 11, block body 9 is positioned in the direction of motion of portable plate 4, make in the time that master latch 15 stretches out lock body 1 outside completely by the setting of block body 9 position on portable plate 4, the barrier effect of block body 9 to plush copper 7 and plectrum 3 is swung, and stop pin 14 is inserted in opening 13.Realize stop pin 14 and be plugged in opening 13, the position of block body 9 and plush copper 7 is had to requirement, require block body 9 and plush copper 7 to be all positioned at the side of plectrum 3 towards opening 13.Meter for this reason, opening 13 is at master latch 15 width upper offsets.It is to be realized by the shifting block on tapered end that stop pin 14 and opening 13 are thrown off mutually, in the time realizing the unlatching of this safe-guard door lock, because master latch 15 reaches the outside of lock body 1 completely, shifting block 5 on plectrum 3 is positioned at shifting block position, shifting block rotates backward by shifting block 5 and makes plectrum 3 backswings, and stop pin 14 and the opening 13 on master latch 15 are first thrown off, and then promote portable plate 4 and supporting plate 11 by shifting block, make master latch 15 be fully retracted lock body 1 interior and realize the unlatching of safe-guard door lock.Because plush copper 7 and shifting block 5 are all arranged on the inner end of plectrum 3, have at plectrum 3 under the prerequisite of certain length, the own curved design of plectrum 3 in addition, makes plectrum 3 inner ends in the situation that of deflection small distance, can realize stop pin 14 and run through opening 13, or throw off completely with opening 13.
Because the outer end of plectrum 3 is in free state, in the time that master latch 15 moves, may causes plectrum 3 to drive stop pin 14 and move.On the cover plate 18 of this safe-guard door lock lock body 1, be provided with gathering sill 19, gathering sill 19, along the direction of motion setting of supporting plate 11, is provided with guide way 8 on plectrum 3, and the outer end of guide way 8 is plugged in gathering sill 19 with gap.Because plectrum 3 needs to swing, end at gathering sill 19 is provided with breach 20 towards a side of master latch 15 upper sheds 13, certain position is got out of the way in the swing that this breach 20 is plectrum 3, so that plectrum 3 drives stop pin 14 to be inserted in the opening 13 on master latch 15 by swing.The terminal position of gathering sill 19 and master latch 15 reach the movement travel in lock body 1 outside completely, and ultimate range three between plush copper 7 and block body 9 is corresponding, be that master latch 15 is while reaching lock body 1 outside completely, plush copper 7 is touched mutually with block body 9, guide way 8 moves to the end of gathering sill 19, thereby spatially can meet the promotion requirement of plectrum 3 to stop pin 14.
One-body molded on plectrum 3 have a stabilization 10, and stabilization 10 is positioned at a side of described opening 13 on plectrum 3, and stabilization 10 is curved, and stabilization 10 is towards the inner end bending of plectrum 3.
The width that is greater than opening 13 on stop pin 14 in the length of the Plug Division of cannelure one side, this Plug Division is used for being plugged in opening 13, and runs through opening 13.In the time realizing safe-guard door lock unlatching, under the drive of plectrum 3, stop pin 14 can be thrown off completely with opening 13.
In master latch 15, be provided with socket, the outer end of supporting plate 11 is plugged in interface, is enclosed with guard shield 22 in the outside of master latch 15, and the shape of guard shield 22 is " Contraband " shape, and the outer end of guard shield 22, master latch 15 and supporting plate 11 is realized and being connected by rivet 17.
Claims (9)
1. one kind has the safe-guard door lock of block locking bolt, comprise lock body, in lock body, be provided with the portable plate and the supporting plate that stack together, portable plate with supporting plate the direction of motion in lock body vertical, it is characterized in that, the outer end of supporting plate is fixed with block master latch, the outer end of master latch is provided with opening, in master latch, be provided with axis hole, axis hole is crossing with opening, axis hole internal clearance be provided with stop pin, on supporting plate, be provided with plectrum, the inner end of plectrum is hinged on supporting plate, the outer end of plectrum is plugged in master latch and is actively coupled with stop pin, plectrum is used for stirring stop pin and is inserted in opening or is separated with opening.
2. safe-guard door lock according to claim 1, it is characterized in that, one side of plectrum inner end is provided with the shifting block of protrusion, the opposite side of plectrum the inner is provided with the plush copper of protrusion, on portable plate, be provided with the block body that stretches to supporting plate, block body is positioned on the direct of travel of plush copper, outside master latch reaches lock body completely time, to stopping of plush copper, plectrum is swung by block body, and drive stop pin to be inserted in opening; It is to stir shifting block by the shifting block of tapered end on safe-guard door lock to realize that stop pin is thrown off mutually with opening.
3. safe-guard door lock according to claim 2, is characterized in that, has cover plate on lock body, is on the cover board provided with penetrating gathering sill, and gathering sill, along arranging in the direction of motion of supporting plate, is provided with breach at the end of gathering sill near a side of opening; Plectrum is provided with guide way, and the outer end of guide way is plugged in gathering sill with gap.
4. safe-guard door lock according to claim 1, is characterized in that, on plectrum, in the one-body molded steadying plate that has protrusion in the outside of master latch, steadying plate side towards described opening on plectrum is stretched out, steadying plate and supporting plate laminating.
5. safe-guard door lock according to claim 4, is characterized in that, described steadying plate is curved, and steadying plate is towards the bending of plectrum inner end.
6. according to the safe-guard door lock described in claim 1,2,3,4 or 5, it is characterized in that, in described master latch, be provided with socket, the outer end of master latch is plugged in socket, and socket communicates with axis hole, and plectrum outer end is connected with stop pin through socket.
7. safe-guard door lock according to claim 6, is characterized in that, is enclosed with guard shield in the outside of master latch, and guard shield is " Contraband " shape, and guard shield, master latch and supporting plate pass through together with rivet.
8. according to the safe-guard door lock described in claim 1,2,3,4 or 5, it is characterized in that, the side face of described stop pin is provided with cannelure, and the outer end of plectrum is plugged in cannelure with gap.
9. safe-guard door lock according to claim 8, it is characterized in that, on stop pin, be greater than the width of opening in the length of the Plug Division of cannelure one side, the axis hole in master latch runs through opening, reach rear flank outside lock body completely at master latch, opening is run through in the Plug Division on stop pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410224375.6A CN104164999B (en) | 2014-05-24 | 2014-05-24 | There is the safe-guard door lock of block locking bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410224375.6A CN104164999B (en) | 2014-05-24 | 2014-05-24 | There is the safe-guard door lock of block locking bolt |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104164999A true CN104164999A (en) | 2014-11-26 |
| CN104164999B CN104164999B (en) | 2016-05-04 |
Family
ID=51908970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410224375.6A Active CN104164999B (en) | 2014-05-24 | 2014-05-24 | There is the safe-guard door lock of block locking bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104164999B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104818890A (en) * | 2015-05-10 | 2015-08-05 | 浙江保佳安锁业有限公司 | Anti-theft door lock auxiliary lock |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2470467Y (en) * | 2001-02-28 | 2002-01-09 | 邱铭祥 | Adjustable tubelike lock bolt |
| CN2487824Y (en) * | 2001-06-25 | 2002-04-24 | 官大海 | Screw-type anti-picking door lock |
| WO2012138119A2 (en) * | 2011-04-08 | 2012-10-11 | Kim Yong Hyeok | Door lock |
| CN203846869U (en) * | 2014-05-24 | 2014-09-24 | 陈晨 | Antitheft door lock with block locking bolt |
-
2014
- 2014-05-24 CN CN201410224375.6A patent/CN104164999B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2470467Y (en) * | 2001-02-28 | 2002-01-09 | 邱铭祥 | Adjustable tubelike lock bolt |
| CN2487824Y (en) * | 2001-06-25 | 2002-04-24 | 官大海 | Screw-type anti-picking door lock |
| WO2012138119A2 (en) * | 2011-04-08 | 2012-10-11 | Kim Yong Hyeok | Door lock |
| CN203846869U (en) * | 2014-05-24 | 2014-09-24 | 陈晨 | Antitheft door lock with block locking bolt |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104818890A (en) * | 2015-05-10 | 2015-08-05 | 浙江保佳安锁业有限公司 | Anti-theft door lock auxiliary lock |
| CN104818890B (en) * | 2015-05-10 | 2017-03-15 | 浙江保佳安锁业有限公司 | Secondary lock of anti-theft door lock |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104164999B (en) | 2016-05-04 |
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Effective date of registration: 20181211 Address after: 318050 Wenchang West Road, Jinqing Town, Luqiao District, Taizhou City, Zhejiang Province Patentee after: Zhejiang BAODEAN locks Co. Ltd. Address before: 318050 No. 91 Xinpeng South Road, Pengjie Town, Luqiao District, Taizhou City, Zhejiang Province Patentee before: Chen Chen |