CN101424144B - Locking structure for preventing latch knocking door frame - Google Patents
Locking structure for preventing latch knocking door frame Download PDFInfo
- Publication number
- CN101424144B CN101424144B CN2008101630192A CN200810163019A CN101424144B CN 101424144 B CN101424144 B CN 101424144B CN 2008101630192 A CN2008101630192 A CN 2008101630192A CN 200810163019 A CN200810163019 A CN 200810163019A CN 101424144 B CN101424144 B CN 101424144B
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- plate
- bolt
- cover plate
- door
- latch
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Abstract
The invention relates to a latch beating structure for preventing a latch from bumping a door frame. The latch beating structure comprises a latch rack (2) arranged on the back of a door panel (1) and a latch (3); and is arranged the outer sidewall of the latch rack is provided with a guide hole (21). The latch beating structure is characterized in that the outside limit of the latch rack (2) is provided with a cover plate (4) which can vertically slide relative to the door panel (1); the cover plate (4) at least can cover part of the guide hole (21); an elastic piece (5) which can make the cover plate (4) always keep the trend of at least covering part of the guide hole (2) is arranged between the door panel (1) and the cover plate (4); the end of the cover plate (4) close to the door panel (1) is provided with a driving plate (41) extending outwards; and when the door panel is closed, the door frame drives the driving plate (41) so that the cover plate (4) can not cover the guide hole (21). In the state that the latch draws back to the latch rack, the cover plate at least covers part of the guide hole and the latch is always kept in the latch rack; therefore, that the latch directly bumps the door frame is impossible when a door is closed, thereby avoiding that the latch bumps the door frame to cause the damage of the door frame, the latch or other inner structures.
Description
Technical field
The present invention relates to a kind of latch locking structure that can be applicable on various strongboxs, strong-room and the home-use security door, relate in particular to a kind of latch locking structure that can prevent the bolt knocking door case.
Background technology
Along with improving constantly of people's living standard, various security doors more and more apply among the daily life.Security door can be applicable to again on various strongboxs, various strong-room and the home-use security door, to deposit valuables, existing safety door structure is roughly as follows: mainly comprise doorframe, be articulated on the doorframe the door body and be arranged on the door and doorframe between bolt structure.Bolt structure comprise again be arranged on a back side can be relatively the horizontal bolt of slippage, and be arranged on the lock construction of the horizontal slippage of prevention bolt on the door, doorframe is provided with bolt and fastens the hole accordingly with a bolt or latch, and wherein the lock construction kind is a lot, can adopt existing various structure, during locking, in the door bolt hole on the bolt insertion doorframe, with lock construction bolt is locked again, to reach not by the purpose of others' unlatching, it is cylindric that bolt generally is, the cylindrical hole that door bolt Kong Zewei and bolt match.
As everyone knows, the operation of general latch locking structure is in that operating grip or turning handle are given up the throne bolt at closing time, then the door body is closed, then again operating grip that bolt is stretched out door is external, cooperate with the door bolt hole of doorframe, the last operation lock construction, the slide plate that will link to each other locking with bolt.The turnover of bolt is can only be passive controlled in the locking mechanism, so after door was opened, bolt still kept overhanging state probably, but has such a case, after door is opened, bolt still stretches out, and people do not note, directly firmly close the door, at this moment because bolt is overhanging, the direct knocking door case of bolt meeting at closing time causes the doorframe outward appearance destroyed, influences attractive in appearance.
The various latch locking structures of existing patent report all are to consider on safety issue, and the patent report of aforementioned technical problem do not occur solving.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of latch locking structure that prevents the bolt knocking door case at above-mentioned prior art present situation, this latch locking structure guarantees that under door opening state bolt is still built-in, and under the state of closing the door, can guarantee again that bolt can stretch out with doorframe to lock.
The present invention solves the problems of the technologies described above the technical scheme that is adopted: a kind of latch locking structure that prevents the bolt knocking door case, include bolt frame and the bolt of being located at the door-plate back side, and have the pilot hole that can supply bolt laterally to pass on the lateral wall of bolt frame; It is characterized in that: the outside spacing cover plate that the relative vertical slippage of door-plate of energy is arranged of described bolt frame, this cover plate can partly cover pilot hole at least, between door-plate and cover plate, be provided with the elastic component that makes cover plate remain the trend of partly covering to major general's pilot hole, that end of the contiguous door-plate of described cover plate has outward extending drive plate, when door-plate cut out, doorframe promoted to drive plate so that cover plate can not cover described pilot hole.
Above-mentioned cover plate is undertaken spacing by the baffle plate that is fixed on bolt frame outer wall.Certainly it is a kind of mode of securing cover plate, and cover plate also can be fixed by existing other structure, makes the cover plate vertical slippage of door-plate relatively within the specific limits as long as satisfy.
Above-mentioned baffle plate middle part is the accommodation space of U type, and described cover plate is positioned at this accommodation space, and the drive plate on the cover plate stretches out after the bottom of accommodation space passes, and the outside of described baffle plate has two installation portions that turn up.Because baffle plate has certain altitude, so this baffle arrangement not only can play the upper limit to cover plate, also can play the spacing guide effect in the left and right sides to cover plate.
The antetheca of above-mentioned baffle plate has a breach that supplies bolt to pass, can guarantee to guarantee that baffle plate can not shelter from pilot hole when baffle plate has higher height like this, baffle plate has high height can be better spacing to cover plate, the front end face of described cover plate has the breach of a U-shaped, driving under plate and the accommodation space bottom surface state of contact, the front end face of described cover plate is lived the pilot hole partial occlusion.
Above-mentioned elastic component is two springs.Certainly also can adopt similar flexible member, as leaf spring etc., its concrete mounting means difference just.Can guarantee the less upper and lower displacement of cover plate simultaneously like this, guarantee that cover plate can also stop that bolt passes from pilot hole.
If elastic component is two springs, then can adopt following mounting means, on the cover board end has two kinks that extend internally, and the lower surface of each kink has the guide pillar of downward extension, described spring top is set on this guide pillar, and the lower end of spring is supported on the back side of door-plate.The mode of this mounting spring has advantage simple in structure, easy to assembly.
Compared with prior art, the invention has the advantages that: by the effect of elastic component, cover plate has the trend of covering pilot hole all the time, so when under door opening state, latch retractor bride visits her parents with her husband for the first time after the wedding the door bolt frame in, at this moment cover plate to major general's pilot hole partly covers, bolt remains in the bolt frame, so can there not be the possibility of the direct knocking door case of bolt at closing time, avoid the bolt knocking door case to cause the damage of doorframe or bolt and internal construction thereof, normally at closing time, by driving the collision of plate and doorframe on the cover plate, cover plate moves down, and pilot hole exposes, and door bolt hole or rib that bolt just can pass on pilot hole and the doorframe carry out lock fit.
Description of drawings
Fig. 1 is the perspective view (being in door opening state) of the embodiment of the invention;
Fig. 2 is the front schematic view (being in door opening state) of the embodiment of the invention;
Fig. 3 is that the A-A of Fig. 2 is to sectional view;
Fig. 4 is the side enlarged diagram (being in door opening state) of the embodiment of the invention;
Fig. 5 is the perspective view (being in the state of closing the door) of the embodiment of the invention;
Fig. 6 is the front schematic view (being in the state of closing the door) of the embodiment of the invention;
Fig. 7 is that the A-A of Fig. 2 is to sectional view;
Fig. 8 is the side enlarged diagram (being in the state of closing the door) of the embodiment of the invention;
The schematic perspective view that Fig. 9 cooperates with doorframe for the embodiment of the invention (just being in the state of closing the door);
The schematic perspective view that Figure 10 cooperates with doorframe for the embodiment of the invention (being in the state of closing the door fully).
The specific embodiment
Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.
Shown in Fig. 1～10, be a preferred embodiment of the present invention.
A kind of latch locking structure that prevents the bolt knocking door case, comprise bolt frame 2 and the bolt 3 of being located at door-plate 1 back side, wherein bolt frame 2 avoids fixing with door-plate 1, bolt 3 rear portions link to each other with a slide plate 7, slide plate 7 is door-plate 1 horizontal slippage spacing at door-plate 1 back side relatively then, door-plate 1 back side also is provided with the drives structure that drives the horizontal slippage of slide plate, and it is the conventional design of general latch locking structure.
The outside spacing cover plate 4 that the relative door-plate 1 vertical slippage of energy is arranged of described bolt frame 2, this cover plate 4 can cover pilot hole 21 parts at least, between door-plate 1 and cover plate 4, be provided with the elastic component 5 that makes cover plate 4 remain the trend of covering to major general's pilot hole 21 parts, and that end of cover plate 4 contiguous door-plates 1 has outward extending drive plate 41, when door-plate cuts out, doorframe 8 promotes to drive plates 41 so that cover plate 4 can not cover described pilot hole 21, and bolt frame 2 outer walls also are fixed with and drive plate 41 gears and cooperate cover plate 4 is carried out the baffle plate 6 of upper limit.
Wherein elastic component 5 is two springs, cover plate 4 upper ends have two kinks that extend internally 42, the lower surface of each kink 42 has the guide pillar 43 of downward extension respectively, and elastic component 5 tops of this spring are set on this guide pillar 43, and the lower end of this elastic component 5 is supported on the back side of door-plate 1.
Baffle plate 6 middle parts are the accommodation space 61 of U type, and the antetheca of baffle plate 6 has a breach 63 that supplies bolt 3 to pass, and the outside of baffle plate 6 has two installation portions that turn up 62, and the installation portion 62 on the baffle plate is installed on the front side wall of bolt frame 2 by screw 9;
For door-plate 1 closed back is flushed with the external surface of doorframe 8, a side of doorframe 8 has an end difference 81, and after door-plate 1 closure, a side of door-plate 1 is positioned at this end difference 81.
Present embodiment is described to be meant the direction vertical with door-plate 1 up and down, " on " refer to that D score is depended on the direction of nearly door-plate 1 away from door-plate 1 direction.
Under door opening state, bolt 3 is retracted in the front side wall of bolt frame 2, at this moment cover plate 4 to major general's pilot hole 21 parts are covered, bolt 3 remains in the front side wall of bolt frame 2, so can not exist at closing time, the possibility of bolt 3 direct knocking door case 8 sidewalls, avoid bolt 3 knocking door cases 8 to cause the damage of doorframe 8 or bolt 3 and internal construction thereof, as Fig. 9, shown in 10, normally at closing time, by end difference 81 collisions that drive plate 41 and doorframe 8 on the cover plate 4, the elastic force that cover plate 4 overcomes elastic component 5 moves down, pilot hole 21 exposes, and door bolt hole or rib that bolt 3 just can pass on pilot hole 21 and the doorframe 8 carry out lock fit.
Claims (6)
1. a latch locking structure that prevents the bolt knocking door case includes bolt frame (2) and the bolt (3) of being located at door-plate (1) back side, has the pilot hole (21) that can supply bolt (3) laterally to pass on the lateral wall of bolt frame (2); It is characterized in that: the outside of described bolt frame (2) is carried out spacing to the cover plate (4) of the vertical slippage of door-plate (1) relatively, this cover plate (4) can cover pilot hole (21) part at least, between door-plate (1) and cover plate (4), be provided with and cover plate (4) remained to major general's pilot hole (21) part cover the elastic component (5) of trend, that end of the contiguous door-plate of described cover plate (4) (1) has outward extending drive plate (41), when door-plate cut out, doorframe (8) promoted to drive plate (41) so that cover plate (4) can not cover described pilot hole (21).
2. the latch locking structure that prevents the bolt knocking door case according to claim 1 is characterized in that: carry out spacing by the baffle plate (6) that is fixed on bolt frame (2) outer wall to described cover plate (4).
3. the latch locking structure that prevents the bolt knocking door case according to claim 2, it is characterized in that: described baffle plate (6) middle part is the accommodation space (61) of U type, described cover plate (4) is positioned at this accommodation space (61), drive plate (41) on the cover plate (4) stretches out after the bottom of accommodation space (61) passes, and the outside of described baffle plate (6) has two installation portions that turn up (62).
4. the latch locking structure that prevents the bolt knocking door case according to claim 3, it is characterized in that: the antetheca of described baffle plate (6) has a breach (63) that supplies bolt (3) to pass, the front end face of described cover plate (4) has the breach (44) of a U-shaped, driving under plate (41) and accommodation space (61) the bottom surface state of contact, the front end face of described cover plate (4) is lived pilot hole (21) partial occlusion.
5. according to the described latch locking structure that prevents the bolt knocking door case of arbitrary claim in the claim 1～4, it is characterized in that: described elastic component (5) is two springs.
6. the latch locking structure that prevents the bolt knocking door case according to claim 5, it is characterized in that: described cover plate (4) upper end has two kinks that extend internally (42), the lower surface of each kink (42) has the guide pillar (43) of downward extension, described spring top is set on this guide pillar (43), and the lower end of spring is supported on the back side of door-plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101630192A CN101424144B (en) | 2008-12-02 | 2008-12-02 | Locking structure for preventing latch knocking door frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101630192A CN101424144B (en) | 2008-12-02 | 2008-12-02 | Locking structure for preventing latch knocking door frame |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101424144A CN101424144A (en) | 2009-05-06 |
| CN101424144B true CN101424144B (en) | 2011-08-17 |
Family
ID=40614996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101630192A Expired - Fee Related CN101424144B (en) | 2008-12-02 | 2008-12-02 | Locking structure for preventing latch knocking door frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101424144B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104453474A (en) * | 2012-02-21 | 2015-03-25 | 胡达广 | Micro door lock |
| CN103075055A (en) * | 2013-01-16 | 2013-05-01 | 创斯达（南通）机电有限公司 | Locking device for door bolt |
| JP6698407B2 (en) * | 2016-03-31 | 2020-05-27 | 株式会社Ｌｉｘｉｌ | Joinery and lock device |
| CN109695406B (en) * | 2018-12-14 | 2021-03-02 | 中国建筑标准设计研究院有限公司 | Flat protective airtight door capable of being opened and closed internally and externally and used by flashlight |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3342661A1 (en) * | 1983-11-25 | 1985-06-05 | Carl Fuhr Gmbh & Co, 5628 Heiligenhaus | Espagnolette fitting |
| CN2399494Y (en) * | 1999-12-24 | 2000-10-04 | 张柏堉 | Double-spring buffering shift door bolt mechanism of tube-shape lock |
| US6837082B1 (en) * | 2003-06-09 | 2005-01-04 | Otis Moore | Door security system |
| CN201053252Y (en) * | 2007-05-29 | 2008-04-30 | 叶永清 | Non-impact door frame lock |
| CN201125651Y (en) * | 2008-05-26 | 2008-10-01 | 陈士学 | Fire-fighting safety door |
-
2008
- 2008-12-02 CN CN2008101630192A patent/CN101424144B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3342661A1 (en) * | 1983-11-25 | 1985-06-05 | Carl Fuhr Gmbh & Co, 5628 Heiligenhaus | Espagnolette fitting |
| CN2399494Y (en) * | 1999-12-24 | 2000-10-04 | 张柏堉 | Double-spring buffering shift door bolt mechanism of tube-shape lock |
| US6837082B1 (en) * | 2003-06-09 | 2005-01-04 | Otis Moore | Door security system |
| CN201053252Y (en) * | 2007-05-29 | 2008-04-30 | 叶永清 | Non-impact door frame lock |
| CN201125651Y (en) * | 2008-05-26 | 2008-10-01 | 陈士学 | Fire-fighting safety door |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101424144A (en) | 2009-05-06 |
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| 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110817 Termination date: 20141202 |
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| EXPY | Termination of patent right or utility model |