CN201635529U - Door-within-door lock with latch bolt - Google Patents
Door-within-door lock with latch bolt Download PDFInfo
- Publication number
- CN201635529U CN201635529U CN2009202949684U CN200920294968U CN201635529U CN 201635529 U CN201635529 U CN 201635529U CN 2009202949684 U CN2009202949684 U CN 2009202949684U CN 200920294968 U CN200920294968 U CN 200920294968U CN 201635529 U CN201635529 U CN 201635529U
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- Prior art keywords
- switch block
- door
- tongue
- hole
- oblique tongue
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- 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 - Lifetime
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- 238000003756 stirring Methods 0.000 claims description 13
- 238000007373 indentation Methods 0.000 description 7
- 210000003734 kidney Anatomy 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000009423 ventilation Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
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- Switch Cases, Indication, And Locking (AREA)
Abstract
The utility model discloses a door-within-door lock with a latch bolt for a burglarproof door, comprising a lock box, a side panel, an upper top-bottom piece, a lower top-bottom piece, a dragging plate, a main bolt, a lower rotating block and a torsional spring, wherein a latch bolt assembly is arranged in the lock box, an upper rotating block is coaxially sleeved on the lower rotating block, an upper rotating-block limit hole and a lower rotating-block limit hole are respectively arranged on the upper rotating block and the lower rotating block, the upper rotating-block limit hole is communicated with the lower rotating-block limit hole, a lug boss is arranged on the upper rotating block, a latch-bolt shift fork is coaxially sleeved on the upper rotating block, a rotating hole and a ring hole are arranged on the latch-bolt shift fork, the rotating hole is matched with the upper rotating block on shape, and the latch-bolt shift fork is clamped with the latch bolt assembly. The utility model has simple structure and has a windproof function, and the main bolt and the latch bolt are controlled by a set of device.
Description
Technical field
The utility model belongs to lock technology field, is specifically related to a kind of door in door that is used on the security door with oblique tongue and locks.
Background technology
Have on the security door of ventilation function, a wicket, i.e. door in door on the security door generally also are being housed on the ventilation window of security door.When need giving room ventilation, open the door in door on the security door, personnel go out or when not needing to room ventilation, shut the door in door on the security door.In order to prevent that the stranger from opening the door in door on the security door of closing, the door in door dead bolt is housed on the door in door of existing security door, as disclosed a kind of door in door lock in the Chinese patent 01231017.4 " the door in door lock on the security door ", this is locked and is provided with main lock tongue and world sheet, make the door in door on the security door three-dimensional to lock, have theftproof preferably.But the no oblique tongue of this door in door lock, and people are when installing or use the door in door lock, for main dead bolt capable of expansion and contraction, must add on the gate and lock the corresponding dead bolt hole of main dead bolt with door in door, this increases the radial clearance of door in door, in case the external force effect is arranged, such as wind etc., door will produce collision with door in door, sends annoying noise.
The utility model content
Technical problem to be solved in the utility model is to overcome deficiency of the prior art and provide a kind of simple in structure, has wind-shielding function, and main tongue, tiltedly tongue adopts the door in door lock of the oblique tongue of band of covering device control.
The technical scheme in the invention for solving the above technical problem is: with the door in door lock of oblique tongue, comprise lock box, side panel, last world sheet, following world sheet, planker, main tongue, following switch block, torsion spring, it is characterized in that: also be provided with oblique tongue assembly in the lock box, coaxial package has last switch block on the following switch block, have switch block spacing hole and following switch block spacing hole on last switch block and the following switch block, be communicated with between last switch block spacing hole and the following switch block spacing hole, last switch block is provided with boss, coaxial package has oblique tongue shift fork on the last switch block, tiltedly have rotation hole and annulus hole on the tongue shift fork, rotation hole and last switch block form fit, described oblique tongue shift fork and tiltedly tongue assembly clamping.
Upward switch block described in the utility model is that the different cylinder of radius size is formed by stacking, have the switch block rotation hole on the end face of the bigger end of radius, last switch block is sleeved on down on the switch block by last switch block rotation hole, have the switch block spacing hole on the end face of the less end of radius, last switch block spacing hole is communicated with last switch block rotation hole, and last switch block spacing hole below is provided with boss.
Oblique tongue assembly described in the utility model comprises slide, prerotation vane, spring, oblique tongue axle and oblique tongue, tiltedly tongue axle one end is fixed with oblique tongue, tiltedly tongue passes the inclined tongue hole on the side panel, slide and prerotation vane are sleeved on the oblique tongue axle, prerotation vane and lock box base plate are fixed, and are set with spring on the oblique tongue axle between prerotation vane and the oblique tongue.
Oblique tongue shift fork described in the utility model is a spoon shape, have rotation hole on its rounded nose, the rotation hole radius of a circle cooperates with last switch block size, the lower end of rotation hole is outstanding annulus hole, rotation hole is communicated with the annulus hole, the boss of last switch block is arranged in this annulus hole, and tiltedly the tongue shift fork is sleeved on the switch block by rotation hole, and tiltedly the afterbody long handle of tongue shift fork is connected between the slide and prerotation vane of oblique tongue assembly.
Be set with down switch block on the planker described in the utility model, following switch block is arranged on the lock box base plate, and following switch block one end is connected with lock box by torsion spring, and the following switch block other end is provided with cam bit, and cam bit is arranged on stirring in the back stop slot on the planker.
The utility model compared with prior art has the following advantages: 1, be provided with main tongue and oblique tongue in the lock box, when the door in door on the security door needs locking, tiltedly tongue ejects earlier automatically, after position between door in door and the door determined, when stretching out, realizes in main tongue the locking of door, therefore reduce the radial clearance between door in door and the door, main tongue stretches out freely, and strengthens theftproof performance; When the door in door on the security door need be opened, with more oblique tongue being regained after the main tongue withdrawal, realize the unlatching of door, flexible and convenient operation earlier; When having only oblique tongue At time of eject, shut behind the door this moment, can prevent to be opened by wind, is applicable to the Temporarily Closed door in door.2, have kidney slot on the planker, following switch block passes kidney slot and is arranged on the planker, be set with switch block and oblique tongue shift fork on the following switch block successively, world sheet is stirred post by world sheet and is connected with planker up and down, following switch block one end is connected with lock box by torsion spring, the other end is provided with cam bit, kidney slot below on the planker is provided with stirs back stop slot, cam bit is arranged on to be stirred in the back stop slot, cam bit is stirred planker and planker is implemented retaining by stirring back stop slot, tiltedly the long handle of tongue shift fork part and the clamping of oblique tongue assembly.Have switch block spacing hole and following switch block spacing hole on last switch block and the following switch block, the assembling back goes up the switch block spacing hole and following switch block spacing hole interconnects.During use, insert sliding piece, switch block spacing hole about sliding piece passes simultaneously on the switch block, rotate sliding piece, this moment, sliding piece drove switch block rotation down, cam bit drives the planker retraction by the back stop slot of stirring on the planker, and under the effect of torsion spring, the cam bit of following switch block withstands on the left end limit position of stirring back stop slot on the planker, play the retaining effect, make the main gyrus lingulais on the planker contract, planker drives world sheet retraction up and down simultaneously, and meanwhile sliding piece is also stirred the switch block rotation, but because the rotation hole lower end on the oblique tongue shift fork is an outstanding annulus hole, boss on the last switch block only rotates in this annulus hole scope this moment, therefore goes up switch block and can not drive oblique tongue shift fork rotation, and tiltedly tongue is not withdrawn.When main tongue indentation, tiltedly under the tongue ejection state, be provided with differential seat angle between last switch block spacing hole and the following switch block spacing hole, this differential seat angle makes that going up switch block can be further rotated.At this moment further rotate sliding piece, sliding piece drives upward, and switch block is rotated further, boss on the last switch block has arrived the high order end of oblique tongue shift fork rotation hole this moment, can drive oblique tongue shift fork by the boss on the last switch block rotates, the long handle of oblique tongue shift fork partly drives slide and moves, and slide drives oblique tongue axle and moves, thereby makes oblique tongue indentation, so far main tongue and tiltedly all indentations of tongue, door in door is opened.In like manner, the oblique tongue of locking door in door ejects automatically, and the process of main lock locking promptly is the converse action of opening process.This fit system between last switch block spacing hole and the following switch block spacing hole makes that going up switch block both can rotate together with following switch block, and last switch block can rotate separately again, main tongue and the tiltedly flexible control of tongue have been realized, and the shared covering device of control of main tongue and oblique tongue, simple in structure, with low cost.
Description of drawings
Fig. 1 is the utility model STRUCTURE DECOMPOSITION schematic diagram.
Fig. 2 is the utility model lock-out state structural representation.
Fig. 3 closes unlocked state structural representation behind the door for the utility model.
Fig. 4 is the utility model unlocking condition structural representation.
Fig. 5 is the utility model carriage structure schematic diagram.
Fig. 6 is that the A of Fig. 5 is to view.
Fig. 7 is a switch block structural representation under the utility model.
Fig. 8 is that the B of Fig. 7 is to view.
Fig. 9 is a switch block structural representation on the utility model.
Figure 10 is the cross-sectional schematic among Fig. 9.
The specific embodiment
Referring to Fig. 1-Figure 10, the utility model comprise side panel 1, tiltedly tongue assembly 2, go up world sheet 3, lock box 4, torsion spring 5, down switch block 6, planker 7, go up switch block 8, tiltedly tongue shift fork 9, world sheet 10 and main tongue 11 down.Side panel 1 is connected with lock box 4, and last world sheet 3 and following world sheet 10 are slidingly arranged in respectively in the lock box 4, have world sheet kidney slot 301 on the last world sheet 3, have down world sheet kidney slot 1001 on the following world sheet 10.Have main tongue hole 101 on the side panel 1.Main tongue 11 is fixed on an end of planker 7, has planker mounting hole 701 on the planker 7, and the below of planker mounting hole 701 has stirs back stop slot 702, and the tow sides of planker 7 are respectively arranged with world sheet and stir post 703,704.Described main tongue 11 passes main tongue hole 101, and planker 7 is arranged in the lock box 4, and world sheet is stirred in the mounting hole 301 that post 704 is slidingly arranged in world sheet 3, and world sheet is stirred in the mounting hole 1001 that post 703 is slidingly arranged in down world sheet 10.Have down switch block installing hole 402 on lock box 4 base plates, also be provided with torsion spring installation shaft 401.Following switch block 6 one ends are provided with torsion spring installing hole 604, and torsion spring 5 one headgears are contained on the torsion spring installation shaft 401, and the other end rhampotheca is on torsion spring installing hole 604.The other end of following switch block 6 is provided with cam bit 602, the middle part of following switch block 6 is a circular shaft 601,603, have down switch block spacing hole 605 on the axle, following switch block 6 rotates by circular shaft 601 and is arranged on down in the switch block installing hole 402, planker 7 is sleeved on the circular shaft 601 by planker mounting hole 701, and cam bit 602 passes stirs back stop slot 702.
During work, stir down switch block 6 and rotate, make cam bit 602 horizontally slip in stirring back stop slot 702, when cam bit 602 was being stirred in the back stop slot 702 the limit on the left position, planker 7 was positioned at lock box 4 fully, and main tongue 11 is fully retracted; When cam bit 602 when extreme position is stirred to the right in the limit on the left position in stirring back stop slot 702, following switch block 6 drives plankers 7 levels and stretches out, and main tongue 11 stretches out; When cam bit 602 arrives when stirring back stop slot 702 in the limit on the right-right-hand limit position, the main tongue 11 of planker 7 drives stretches out lock box 4 fully, and plays the retaining effect.The horizontal movement of planker 7 is stirred post 703,704 by the world sheet on the planker 7 and is driven world sheet 10 and last world sheet 3 vertically to stretch out or indentation respectively.Last switch block 8 rotates, driving oblique tongue shift fork 9 by the boss on the last switch block 8 801 rotates, tiltedly tongue shift fork 9 long handles partly are connected between slide 201 and the prerotation vane 202, the long handle of oblique tongue shift fork 9 partly drives slide 201 and moves, slide 201 drives oblique tongue axle 205 and moves, thereby make oblique tongue 203 indentations, spring 204 makes the ejection that resets of oblique tongue 203.
When main tongue 11 stretches out simultaneously with oblique tongue 203, the door in door locking; When main tongue 11 and 203 indentations simultaneously of oblique tongue, door in door is opened; When main tongue 11 indentations, oblique tongue 203 At time of ejects, door in door are closed and can be prevented that wind from opening, and are applicable to the Temporarily Closed door in door.
Above embodiment has made comparatively detailed description to the utility model, but these descriptions are not to be to restriction of the present utility model; Protection domain of the present utility model comprises those conspicuous to those skilled in the art conversion or substitutes and remodeling.Simultaneously, above specific embodiment, as long as its part undeclared concrete shape and size, then this part can be Any shape and the size that adapts with its structure; Simultaneously, the part title of getting also can be different.Allly conceive equivalence or the simple change that described structure, feature and principle are done, be included in the protection domain of the utility model patent according to the utility model patent.
Claims (5)
1. the door in door with oblique tongue is locked, comprise lock box, side panel, last world sheet, following world sheet, planker, main tongue, following switch block, torsion spring, it is characterized in that: also be provided with oblique tongue assembly in the lock box, coaxial package has last switch block on the following switch block, have switch block spacing hole and following switch block spacing hole on last switch block and the following switch block, be communicated with between last switch block spacing hole and the following switch block spacing hole, last switch block is provided with boss, coaxial package has oblique tongue shift fork on the last switch block, tiltedly have rotation hole and annulus hole on the tongue shift fork, rotation hole and last switch block form fit, described oblique tongue shift fork and tiltedly tongue assembly clamping.
2. the door in door lock of the oblique tongue of band according to claim 1, it is characterized in that: described upward switch block is that the different cylinder of radius size is formed by stacking, have the switch block rotation hole on the end face of the bigger end of radius, last switch block is sleeved on down on the switch block by last switch block rotation hole, have the switch block spacing hole on the end face of the less end of radius, last switch block spacing hole is communicated with last switch block rotation hole, and last switch block spacing hole below is provided with boss.
3. the door in door lock of the oblique tongue of band according to claim 1, it is characterized in that: described oblique tongue assembly comprises slide, prerotation vane, spring, oblique tongue axle and oblique tongue, tiltedly tongue axle one end is fixed with oblique tongue, tiltedly tongue passes the inclined tongue hole on the side panel, slide and prerotation vane are sleeved on the oblique tongue axle, prerotation vane and lock box base plate are fixed, and are set with spring on the oblique tongue axle between prerotation vane and the oblique tongue.
4. lock according to the door in door of claim 1 or the oblique tongue of 3 described bands, it is characterized in that: described oblique tongue shift fork is spoon shape, have rotation hole on its rounded nose, the rotation hole radius of a circle cooperates with last switch block size, the lower end of rotation hole is outstanding annulus hole, and rotation hole is communicated with the annulus hole, and the boss of last switch block is arranged in this annulus hole, tiltedly the tongue shift fork is sleeved on the switch block by rotation hole, and tiltedly the afterbody long handle of tongue shift fork is connected between the slide and prerotation vane of oblique tongue assembly.
5. the door in door lock of the oblique tongue of band according to claim 1, it is characterized in that: be set with down switch block on the described planker, following switch block is arranged on the lock box base plate, following switch block one end is connected with lock box by torsion spring, the following switch block other end is provided with cam bit, and cam bit is arranged on stirring in the back stop slot on the planker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202949684U CN201635529U (en) | 2009-12-24 | 2009-12-24 | Door-within-door lock with latch bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202949684U CN201635529U (en) | 2009-12-24 | 2009-12-24 | Door-within-door lock with latch bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201635529U true CN201635529U (en) | 2010-11-17 |
Family
ID=43080018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202949684U Expired - Lifetime CN201635529U (en) | 2009-12-24 | 2009-12-24 | Door-within-door lock with latch bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201635529U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103967333A (en) * | 2013-01-28 | 2014-08-06 | 能诚集团有限公司 | Back locking mechanism for door lock |
-
2009
- 2009-12-24 CN CN2009202949684U patent/CN201635529U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103967333A (en) * | 2013-01-28 | 2014-08-06 | 能诚集团有限公司 | Back locking mechanism for door lock |
| CN103967333B (en) * | 2013-01-28 | 2017-05-17 | 王力安防科技股份有限公司 | Back locking mechanism for door lock |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: ZHEJIANG JULI INDUSTRIAL + TRADING CO., LTD. Free format text: FORMER OWNER: YING CHI Effective date: 20120206 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20120206 Address after: 321306 East Road, Yongkang Economic Development Zone, Zhejiang, China Patentee after: ZHEJIANG JULI INDUSTRIAL TRADING CO., LTD. Address before: 321306 No. 12, Yanchang Road, Chi Ying Town, Zhejiang, Yongkang Patentee before: Ying Chi |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101117 |