CN202324837U - Anti-unlocking structure of oblique tongue lock of door - Google Patents
Anti-unlocking structure of oblique tongue lock of door Download PDFInfo
- Publication number
- CN202324837U CN202324837U CN2011204900152U CN201120490015U CN202324837U CN 202324837 U CN202324837 U CN 202324837U CN 2011204900152 U CN2011204900152 U CN 2011204900152U CN 201120490015 U CN201120490015 U CN 201120490015U CN 202324837 U CN202324837 U CN 202324837U
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- China
- Prior art keywords
- door
- nut
- oblique tongue
- door leaf
- lock
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- Expired - Lifetime
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Abstract
The utility model discloses an anti-unlocking structure of an oblique tongue lock of a door. The anti-unlocking structure comprises a door leaf and a door frame, wherein a door lock with an oblique tongue is mounted on the door leaf; a nut is arranged on a part corresponding to the oblique surface of the oblique tongue at one side of the oblique surface of the oblique tongue on the side part of the door leaf, and a length-adjustable screw rod extended from the nut is arranged in the nut; or the nut is arranged on the part corresponding to the oblique surface of the oblique tongue on the door leaf inside the door frame, and the length-adjustable screw rod extended from the nut is arranged in the nut. According to the anti-unlocking structure, a gap between the door leaf and the door frame can be adjusted to be minimal, and a thief can be prevented from inserting the gap with a card or a hook and enabling the card or the hook to act on the oblique tongue of the door lock, so that the aim of preventing a door being opened is achieved. The anti-unlocking structure is simple in structure, good in anti-unlocking effect and better in safety.
Description
Technical field
The utility model belongs to door, is specifically related to a kind of anti-opening structure of door skew bolt lock.
Background technology
Be contained in the door lock on the door door leaf, be divided into skew bolt lock and square tongue lock by the dead bolt difference.Side's tongue lock former and later two faces of dead bolt be the plane.Face of the dead bolt of skew bolt lock is the inclined-plane, and another face is the plane, realizes closing the door automatically in the inclined-plane of this dead bolt of lock ear on the doorframe capable of using at closing time compressing, so skew bolt lock has characteristics easy to use, only needs at closing time be with the pass to get final product smoothly at door.But these characteristics are also brought another safety problem, because all there are the normal clearance of 2mm-4mm in door leaf and doorframe when cooperating, the thief usually uses card or trip will lock easy to do opening.The situation that inward (opening the door to indoor) uses card to unblank is seen Fig. 1; When door is closed; The dead bolt 3 that is installed in door leaf 1 internal lock is stuck in the lock ear on the doorframe 2, and a face of dead bolt 3 is inclined-plane 31, and another face is plane 32; Insert when with the crack between a door and its frame of flexible card a between door leaf 1 and doorframe 2 and affact on the inclined-plane 31 of dead bolt 3, can dead bolt 3 be headed in the door lock of door leaf door is opened.The situation that outward opening door (opening the door to outdoor) uses grab to unblank is seen Fig. 2, Fig. 3, because the inclined-plane 31 of dead bolt 3 is towards indoor, can't open the door with the plane 32 that card faces dead bolt 3 from outdoor.The thief then uses the grab b of buckle b1 to stretch into from the crack between a door and its frame above or below the door lock, is pulled outwardly along the inclined-plane 31 that the crack between a door and its frame between door leaf 1 and the doorframe 2 makes hook b1 act on dead bolt 3 from the negative downward or upward again, can door be opened equally.
The utility model content
The purpose of the utility model provides a kind of anti-opening structure of simple in structure, door skew bolt lock that safety is good.
The technical scheme that realizes above-mentioned utility model order employing is following:
First technical scheme of the utility model is: the anti-opening structure of door skew bolt lock, comprise door leaf and doorframe, and the door lock of tongue with lock is housed on the door leaf, dead bolt is the oblique tongue that has the inclined-plane; Be positioned at the sidepiece of door leaf on inclined-plane one side and the position corresponding of oblique tongue and be provided with nut, be provided with in the nut and stretch out the length-adjustable screw rod of nut with the inclined-plane of oblique tongue; Or be provided with nut on the corresponding position, the inclined-plane of the oblique tongue on the inboard of said doorframe and door leaf, be provided with in the nut and stretch out the length-adjustable screw rod of nut; Or be positioned at the sidepiece of said door leaf on inclined-plane one side and the position corresponding of oblique tongue with the inclined-plane of oblique tongue and position that the inclined-plane of the oblique tongue on the inboard of said doorframe and door leaf is corresponding on the corresponding nut that is provided with, be provided with in the nut and stretch out the length-adjustable screw rod of nut.
Second technical scheme of the utility model is: the anti-opening structure of door skew bolt lock, comprise door leaf and doorframe, and the door lock of tongue with lock is housed on the door leaf, dead bolt is the oblique tongue that has the inclined-plane; Be positioned at the sidepiece of door leaf on the position of above and below of oblique tongue and be provided with nut, be provided with in the nut and stretch out the length-adjustable screw rod of nut; Or be positioned in the inboard of said doorframe on the position of the above and below of the oblique tongue of door lock on the door leaf and be provided with nut, be provided with in the nut and stretch out the length-adjustable screw rod of nut; Or be positioned at the sidepiece of said door leaf on the position of above and below of oblique tongue on the position that inboard with said doorframe is positioned at the above and below of the oblique tongue of door lock on the door leaf all that correspondence is provided with nut, be provided with in the nut and stretch out the length-adjustable screw rod of nut.
The utility model is owing to be provided with length-adjustable screw rod in the place ahead, inclined-plane of door inclined tongue of lock; Perhaps length-adjustable screw rod is set in the above and below of oblique tongue; The adjustable in length of screw rod to and door leaf and doorframe between the width of crack between a door and its frame roughly the same; Stop that with regard to screw rod capable of using the thief uses card or grab to insert the oblique tongue that acts on door lock from crack between a door and its frame like this, reach and prevent the purpose of opening the door.The utility model structure is very simple, but anti-effect of unblanking is very good, has safety preferably.
Further specify below in conjunction with the technical scheme of accompanying drawing the utility model.
Description of drawings
Fig. 1 is the situation sketch map that inward uses card to unblank.
Fig. 2 is the situation sketch map that outward opening door uses grab to unblank.
Fig. 3 is the vertical view of Fig. 2.
Fig. 4,6,8 is respectively the different structure sketch map of the utility model in inward.
Fig. 5,7,9 is respectively Fig. 4,6,8 vertical view.
Figure 10,12 is respectively the different structure sketch map of the utility model in outward opening door.
Figure 11 is the vertical view of Figure 10.
The specific embodiment
Fig. 4, Fig. 5 are applied in the structure of inward for the utility model.The anti-opening structure of door skew bolt lock comprises door leaf 1 and doorframe 2, and the door lock of tongue with lock is housed on the door leaf 1, and dead bolt is the oblique tongue 3 that has inclined-plane 31; Be positioned at the sidepiece of door leaf 1 on inclined-plane 31 1 sides and the position corresponding of oblique tongue 3 and be provided with nut 4, be provided with in the nut 4 and stretch out the length-adjustable screw rod 5 of nut with the inclined-plane of oblique tongue 3 31.
Fig. 6, Fig. 7 are applied in the another kind of structure of inward for the utility model.The anti-opening structure of door skew bolt lock is to be provided with nut 4 on the corresponding position, the inclined-plane 31 of the oblique tongue 3 on the inboard of said doorframe 2 and door leaf 1, is provided with in the nut 4 and stretches out the length-adjustable screw rod 5 of nut.
Fig. 8, Fig. 9 are applied in another structure of inward for the utility model.The anti-opening structure of door skew bolt lock is the corresponding nut 4 that is provided with on the position that the sidepiece at said door leaf 1 is positioned on inclined-plane 31 1 sides and the position corresponding with the inclined-plane of oblique tongue 3 31 of oblique tongue 3 and the inclined-plane of the oblique tongue 3 on the inboard of said doorframe 2 and door leaf 1 31 is corresponding, is provided with in the nut 4 and stretches out the length-adjustable screw rod 5 of nut.Correspondence is provided with nut 4 and screw rod 5 on door leaf 1 and the doorframe 2, can form staggered structure, can prevent better that card insert from going in the crack between a door and its frame.
Above-mentioned the utility model is applied in the structure of inward; Owing to be equipped with nut 4 and screw rod 5 in the place ahead on oblique tongue 3 inclined-planes 31 of door lock; The adjustable in length that screw rod 5 stretches out nut to and door leaf 1 and doorframe 2 between the width of crack between a door and its frame roughly the same; The thief uses card a to stretch into crack between a door and its frame can be stopped by screw rod 5, can not act on inclined-plane and can't unblank (referring to Fig. 5) of oblique tongue 3.In use deform if run into door leaf 1, make the width of crack between a door and its frame change, adjusting screw(rod) 5 length and the crack between a door and its frame that stretch out nut 4 is consistent easily.
Figure 10, Figure 11 are applied in the structure of outward opening door for the utility model.The anti-opening structure of door skew bolt lock comprises door leaf 1 and doorframe 2, and the door lock of tongue with lock is housed on the door leaf 1, and dead bolt is the oblique tongue 3 that has inclined-plane 31; Be positioned at the sidepiece of door leaf 1 on the position of above and below of oblique tongue 3 and be provided with nut 4, be provided with in the nut 4 and stretch out the length-adjustable screw rod 5 of nut; Also can the inboard that nut 4 and screw rod 5 are located at doorframe be positioned on the position of the above and below of the oblique tongue 3 of door lock on the door leaf 1 (drawing).
Figure 12 is applied in the another kind of structure of outward opening door for the utility model.The anti-opening structure of door skew bolt lock is to be positioned on the position of the above and below of the oblique tongue 3 of door lock on the door leaf 1 all with the inboard of said doorframe 2 on the position of the above and below that is positioned at oblique tongue 3 of the sidepiece at said door leaf 1 that correspondence is provided with nut 4, is provided with in the nut 4 and stretches out the length-adjustable screw rod 5 of nut.Correspondence is provided with nut 4 and screw rod 5 on door leaf 1 and the doorframe 2, can form staggered structure, can prevent better that grab from moving in crack between a door and its frame.
Above-mentioned the utility model is applied in the structure of outward opening door; Owing to be equipped with nut 4 and screw rod 5 in the above and below of the oblique tongue 3 of door lock; The adjustable in length that screw rod 5 stretches out nut to and door leaf 1 and doorframe 2 between the width of crack between a door and its frame roughly the same; All can be stopped no matter the thief uses grab to stretch into crack between a door and its frame above or below the oblique tongue 3, all can not act on the inclined-plane of oblique tongue 3 and can't unblank by screw rod 5.
Claims (2)
1. the anti-opening structure of a door skew bolt lock comprises door leaf and doorframe, and the door lock of tongue with lock is housed on the door leaf, and dead bolt is the oblique tongue that has the inclined-plane; It is characterized in that: be positioned at the sidepiece of door leaf on inclined-plane one side and the position corresponding of oblique tongue and be provided with nut, be provided with in the nut and stretch out the length-adjustable screw rod of nut with the inclined-plane of oblique tongue; Or be provided with nut on the corresponding position, the inclined-plane of the oblique tongue on the inboard of said doorframe and door leaf, be provided with in the nut and stretch out the length-adjustable screw rod of nut; Or be positioned at the sidepiece of said door leaf on inclined-plane one side and the position corresponding of oblique tongue with the inclined-plane of oblique tongue and position that the inclined-plane of the oblique tongue on the inboard of said doorframe and door leaf is corresponding on the corresponding nut that is provided with, be provided with in the nut and stretch out the length-adjustable screw rod of nut.
2. the anti-opening structure of a door skew bolt lock comprises door leaf and doorframe, and the door lock of tongue with lock is housed on the door leaf, and dead bolt is the oblique tongue that has the inclined-plane; It is characterized in that: be positioned at the sidepiece of door leaf on the position of above and below of oblique tongue and be provided with nut, be provided with in the nut and stretch out the length-adjustable screw rod of nut; Or be positioned in the inboard of said doorframe on the position of the above and below of the oblique tongue of door lock on the door leaf and be provided with nut, be provided with in the nut and stretch out the length-adjustable screw rod of nut; Or be positioned at the sidepiece of said door leaf on the position of above and below of oblique tongue on the position that inboard with said doorframe is positioned at the above and below of the oblique tongue of door lock on the door leaf all that correspondence is provided with nut, be provided with in the nut and stretch out the length-adjustable screw rod of nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204900152U CN202324837U (en) | 2011-12-01 | 2011-12-01 | Anti-unlocking structure of oblique tongue lock of door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204900152U CN202324837U (en) | 2011-12-01 | 2011-12-01 | Anti-unlocking structure of oblique tongue lock of door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202324837U true CN202324837U (en) | 2012-07-11 |
Family
ID=46436818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204900152U Expired - Lifetime CN202324837U (en) | 2011-12-01 | 2011-12-01 | Anti-unlocking structure of oblique tongue lock of door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202324837U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102434029A (en) * | 2011-12-01 | 2012-05-02 | 中山市金点原子制锁有限公司 | Anti-unlocking structure of house door latch bolt lock |
| CN108952329A (en) * | 2018-07-28 | 2018-12-07 | 陈亚南 | A kind of anti-card door lock |
| CN108952328A (en) * | 2018-07-28 | 2018-12-07 | 陈亚南 | A kind of anti-plug-in card safety door latch |
-
2011
- 2011-12-01 CN CN2011204900152U patent/CN202324837U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102434029A (en) * | 2011-12-01 | 2012-05-02 | 中山市金点原子制锁有限公司 | Anti-unlocking structure of house door latch bolt lock |
| CN108952329A (en) * | 2018-07-28 | 2018-12-07 | 陈亚南 | A kind of anti-card door lock |
| CN108952328A (en) * | 2018-07-28 | 2018-12-07 | 陈亚南 | A kind of anti-plug-in card safety door latch |
| CN108952328B (en) * | 2018-07-28 | 2020-04-10 | 林倩妮 | Anti-inserting safety door lock |
| CN108952329B (en) * | 2018-07-28 | 2020-10-16 | 徐州新南湖科技有限公司 | Anti-insertion door lock |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120711 |
|
| CX01 | Expiry of patent term |