CN103993788A - Safety door lock body - Google Patents
Safety door lock body Download PDFInfo
- Publication number
- CN103993788A CN103993788A CN201410248937.0A CN201410248937A CN103993788A CN 103993788 A CN103993788 A CN 103993788A CN 201410248937 A CN201410248937 A CN 201410248937A CN 103993788 A CN103993788 A CN 103993788A
- Authority
- CN
- China
- Prior art keywords
- lock body
- secondary lock
- banking stop
- safety door
- locking 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.)
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Abstract
The invention discloses a safety door lock body. According to the safety door lock body, a limiting groove is formed in an auxiliary lock tongue, a limiting piece is arranged in the limiting groove, the middle of the limiting piece is connected with the auxiliary lock tongue in a rotary mode, two protruding teeth which are arranged with one behind the other are arranged on the top surface of the limiting piece, and an elastic pressure device which is pressed to the rear end of the limiting piece is arranged in an auxiliary lock shell. When the limiting piece bears no external force except the force of the safety door lock body, the rear protruding tooth is located in the auxiliary lock shell and is hung on a static lock piece, and the front protruding tooth is located outside the auxiliary lock shell and stretches out of the limiting groove; the rear protruding tooth is separated from the static lock piece when the front protruding tooth enters the limiting groove under pressure. According to the safety door lock body, due to the additional arrangement of the special limiting piece, on the premise that a key is not needed and a handle does not needed to be lifted, an auxiliary lock body can be locked simply through door closing, in this way, the safety door lock body is completely locked, and the security level of a door is improved.
Description
Technical field
The present invention relates to a kind of safety door lock body.
Background technology
Existing safety door lock body comprises master lock body and upper and lower two auxiliary lock bodies, master lock body is provided with handle and keyhole, two auxiliary lock bodies are connected with master lock body by control lever, if need auxiliary lock body locking, need to operate master lock body with key or handle, the dead bolt that the control lever on master lock body is controlled auxiliary lock body again stretches out, the auxiliary lock body that is to say this type of safety door lock body must artificial closing, otherwise goalkeeper, in incomplete locking states, very easily opens, and has potential safety hazard.
Summary of the invention
The technical problem to be solved in the present invention is: provide a kind of without key and handle, only moving by simple closing the door just can be by the safety door lock body of auxiliary lock body locking.
In order to solve the problems of the technologies described above, the present invention includes quiet locking plate, master lock body and auxiliary lock body, described auxiliary lock body comprises secondary lock shell, secondary lock tongue and the tonguing of control secondary lock enter and stretch out the secondary lock tongue operating mechanism of secondary lock shell, secondary lock tongue operating mechanism is connected with master lock body by moving locking plate, secondary lock shell is fixed on quiet locking plate, quiet locking plate is provided with secondary lock tonguing outlet, on described secondary lock tongue, be provided with spacing groove, in spacing groove, be provided with banking stop, the middle part of banking stop and secondary lock tongue are rotationally connected, the end face of banking stop is provided with two tandem double wedges, in secondary lock shell, be provided with the elastic compression devices that is pressed in banking stop rear end downwards, when external force outside banking stop is not subject to safety door lock body, rear double wedge is in secondary lock shell, rear double wedge hangs on quiet locking plate, front double wedge is in outside secondary lock shell, front double wedge stretches out spacing groove, when current double wedge pressurized enters spacing groove, rear double wedge departs from quiet locking plate.
In order to make compact overall structure, described elastic compression devices comprises spacer, locating shaft and spring, one end of spacer and secondary lock shell are rotationally connected, locating shaft is fixed in secondary lock shell, spring housing is on locating shaft, the middle part of spacer is enclosed within on locating shaft and is pressed on spring, and the other end of spacer is pressed on the rear end of banking stop, and secondary lock tongue and spring divide the both sides that are in spacer.
In order to prevent spacer and banking stop slippage, fluted on the end face of the rear end of described banking stop, spacer is stuck in the groove of banking stop.
For improving safety, described auxiliary lock body has two, two auxiliary lock body above and belows in master lock body respectively.
The invention has the beneficial effects as follows: the present invention is by increasing special device banking stop, under the prerequisite without key and lifting handle, only just can be by auxiliary lock body locking by the simple action of closing the door, thus reach the complete locking state of safety door lock body, the safe class having improved.
Brief description of the drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is auxiliary lock body with the quiet locking plate structural representation enlarged drawing in unlocking condition;
Fig. 3 is auxiliary lock body with the quiet locking plate structural representation enlarged drawing in locking states;
Fig. 4 is the stereogram structural representation enlarged drawing of auxiliary lock body;
Fig. 5 is the internal construction signal enlarged drawing (secondary lock tongue operating mechanism does not draw) of auxiliary lock body;
In figure: 1, auxiliary lock body, 2, master lock body, 3, auxiliary lock body, 4, secondary lock tongue, 5, quiet locking plate, 6, moving locking plate, 7, secondary lock shell, 8, spacer, 9, spring, 10, locating shaft, 11, banking stop, 12, rotating shaft.
Detailed description of the invention
A kind of safety door lock body as Figure 1-5, comprise quiet locking plate 5, master lock body 2 and auxiliary lock body 1 and auxiliary lock body 3, as shown in Figure 4, auxiliary lock body 1 and auxiliary lock body 3 include secondary lock shell 7, secondary lock tongue 4 and control secondary lock tongue 4 the secondary lock tongue operating mechanism that enters and stretch out secondary lock shell 7, secondary lock tongue operating mechanism is connected with master lock body 2 by moving locking plate 6, master lock body 2, auxiliary lock body 1 and auxiliary lock body 3 are fixed on quiet locking plate 5, and quiet locking plate 5 is provided with secondary lock tongue 4 and imports and exports.
As Fig. 2, Fig. 3, shown in Fig. 4 and Fig. 5, on secondary lock tongue 4, be provided with spacing groove, in spacing groove, be provided with banking stop 11, the middle part of banking stop 11 and secondary lock tongue 4 are rotationally connected, as shown in Figure 5, the top of banking stop 11 is provided with rotary axis groove, on secondary lock tongue, be fixed with rotating shaft 12, rotating shaft 12 is stuck in the rotary axis groove of banking stop 11, the just right position of the bottom surface of banking stop 11 and rotary axis groove is provided with projection, projection withstands on position-limited groove trench bottom and forms fulcrum, banking stop 11 can 12 be rotated around the shaft, certainly, also can on banking stop 11, punch, rotating shaft 12 is inserted in the hole of banking stop 11, also can make banking stop 11 12 rotate around the shaft.The end face of banking stop 11 is provided with two tandem double wedges, in secondary lock shell 7, be provided with the elastic compression devices that is pressed in banking stop 11 rear ends downwards, when external force outside banking stop 11 is not subject to safety door lock body, elastic compression devices makes the front end perk of banking stop 11 to the downforce of banking stop 11 rear ends, rear double wedge is in secondary lock shell 7, rear double wedge hangs on quiet locking plate 5, front double wedge is in outside secondary lock shell 7, front double wedge stretches out spacing groove, when current double wedge pressurized enters spacing groove, rear double wedge departs from quiet locking plate 5.
As shown in Figure 4, elastic compression devices comprises spacer 8, locating shaft 10 and spring 9, one end of spacer 8 and secondary lock shell 7 are rotationally connected, locating shaft 10 is fixed in secondary lock shell 7, spring 9 is enclosed within on locating shaft 10, the middle part of spacer 8 is enclosed within on locating shaft 10 and is pressed on spring 9, and the other end of spacer 8 is pressed on the rear end of banking stop 11, and 9 points, secondary lock tongue 4 and spring are in the both sides of spacer 8.Fluted on the end face of the rear end of banking stop 11, spacer 8 is stuck in the groove of banking stop 11.
Operating principle: close in front of the door, two auxiliary lock bodies are in the state shown in Fig. 2, at closing time, the front double wedge of the banking stop 11 on secondary lock tongue 4 is encountered doorframe lock, front double wedge pressurized 12 rotates banking stop 11 around the shaft, turns to the restriction that to a certain degree rear double wedge departs from quiet locking plate 5, and secondary lock tongue 4 ejects under the effect of spring 9 and spacer 8, arrive state as shown in Figure 3, realize the locking of auxiliary lock body and doorframe lock.
While opening the door, by rotating key or the moving locking plate 6 of control handle manipulation, moving locking plate 6 promotes secondary lock tongue operating mechanism dead bolt is retracted, and has realized the unlatching of door.In the time that dead bolt moves to certain position, rear double wedge hangs on quiet locking plate 5 again, has limited freely ejecting of secondary lock tongue 4.
Claims (4)
1. a safety door lock body, comprise quiet locking plate, master lock body and auxiliary lock body, described auxiliary lock body comprises secondary lock shell, secondary lock tongue and the tonguing of control secondary lock enter and stretch out the secondary lock tongue operating mechanism of secondary lock shell, secondary lock tongue operating mechanism is connected with master lock body by moving locking plate, secondary lock shell is fixed on quiet locking plate, quiet locking plate is provided with secondary lock tonguing outlet, it is characterized in that: on described secondary lock tongue, be provided with spacing groove, in spacing groove, be provided with banking stop, the middle part of banking stop and secondary lock tongue are rotationally connected, the end face of banking stop is provided with two tandem double wedges, in secondary lock shell, be provided with the elastic compression devices that is pressed in banking stop rear end downwards, when external force outside banking stop is not subject to safety door lock body, rear double wedge is in secondary lock shell, rear double wedge hangs on quiet locking plate, front double wedge is in outside secondary lock shell, front double wedge stretches out spacing groove, when current double wedge pressurized enters spacing groove, rear double wedge departs from quiet locking plate.
2. safety door lock body according to claim 1, it is characterized in that: described elastic compression devices comprises spacer, locating shaft and spring, one end of spacer and secondary lock shell are rotationally connected, locating shaft is fixed in secondary lock shell, spring housing is on locating shaft, the middle part of spacer is enclosed within on locating shaft and is pressed on spring, and the other end of spacer is pressed on the rear end of banking stop, and secondary lock tongue and spring divide the both sides that are in spacer.
3. safety door lock body according to claim 2, is characterized in that: fluted on the end face of the rear end of described banking stop, spacer is stuck in the groove of banking stop.
4. according to safety door lock body described in claim 1,2 or 3, it is characterized in that: described auxiliary lock body has two two auxiliary lock body above and belows in master lock body respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410248937.0A CN103993788A (en) | 2014-06-07 | 2014-06-07 | Safety door lock body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410248937.0A CN103993788A (en) | 2014-06-07 | 2014-06-07 | Safety door lock body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103993788A true CN103993788A (en) | 2014-08-20 |
Family
ID=51308100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410248937.0A Pending CN103993788A (en) | 2014-06-07 | 2014-06-07 | Safety door lock body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103993788A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010047671A1 (en) * | 1997-10-24 | 2001-12-06 | Daniel Grundler | Locking device |
| GB2455777A (en) * | 2007-12-21 | 2009-06-24 | Window Fab & Fixing Supplies | Locking system with hook, main locking unit, secondary locking unit and common through bar |
| CN102102461A (en) * | 2011-03-22 | 2011-06-22 | 杭州金指码实业有限公司 | Inclined tongue component for mortise lock |
| CN102162320A (en) * | 2011-03-22 | 2011-08-24 | 杭州金指码实业有限公司 | Mortise lock |
| CN201943464U (en) * | 2010-12-30 | 2011-08-24 | 马一杰 | Door lock capable of automatically locking |
| DE202013009210U1 (en) * | 2013-10-18 | 2013-11-06 | Kfv Karl Fliether Gmbh & Co. Kg | locking device |
| CN203856292U (en) * | 2014-06-07 | 2014-10-01 | 李健 | Safety door latch body |
-
2014
- 2014-06-07 CN CN201410248937.0A patent/CN103993788A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010047671A1 (en) * | 1997-10-24 | 2001-12-06 | Daniel Grundler | Locking device |
| GB2455777A (en) * | 2007-12-21 | 2009-06-24 | Window Fab & Fixing Supplies | Locking system with hook, main locking unit, secondary locking unit and common through bar |
| CN201943464U (en) * | 2010-12-30 | 2011-08-24 | 马一杰 | Door lock capable of automatically locking |
| CN102102461A (en) * | 2011-03-22 | 2011-06-22 | 杭州金指码实业有限公司 | Inclined tongue component for mortise lock |
| CN102162320A (en) * | 2011-03-22 | 2011-08-24 | 杭州金指码实业有限公司 | Mortise lock |
| DE202013009210U1 (en) * | 2013-10-18 | 2013-11-06 | Kfv Karl Fliether Gmbh & Co. Kg | locking device |
| CN203856292U (en) * | 2014-06-07 | 2014-10-01 | 李健 | Safety door latch body |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140820 |