CN201474429U - Automatic lock of safety protective door - Google Patents
Automatic lock of safety protective door Download PDFInfo
- Publication number
- CN201474429U CN201474429U CN2009201390911U CN200920139091U CN201474429U CN 201474429 U CN201474429 U CN 201474429U CN 2009201390911 U CN2009201390911 U CN 2009201390911U CN 200920139091 U CN200920139091 U CN 200920139091U CN 201474429 U CN201474429 U CN 201474429U
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- CN
- China
- Prior art keywords
- mentioned
- lock housing
- face plate
- returning face
- translot
- 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.)
- Expired - Fee Related
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- Auxiliary Devices For Machine Tools (AREA)
- Securing Of Glass Panes Or The Like (AREA)
- Special Wing (AREA)
Abstract
The utility model discloses an automatic lock of a safety protective door. The automatic lock comprises a lock housing, a reversing plate, a pin and a lock bar, wherein the lock housing is fixed on a door frame; a cross groove from the inner end to the outer end is formed on the lock housing, and form an opening at the outer end of the lock housing; a vertical groove crossing with the cross groove directly and penetrating the vertical direction of the lock housing is formed on the lock housing; the lock bar is fixed on the moving side of a door leaf and corresponding to the opening of the cross groove; the reversing plate is movably arranged in the vertical groove through the pin; the center of gravity of the reversing plate is close to the inner end of the lock housing; a notch corresponding to the lock bar is formed on the inner end of the reversing plate corresponding to the cross groove; the lower end of the reversing plate extends below the cross groove; a stopper is arranged on the reversing plate to prevent excess rotation of the reversing plate; and a handle extending out of the lock housing is arranged on the reversing plate. Compared with the prior art, the automatic lock has the advantages of simple structure, convenient maintenance, safe and reliable use.
Description
Technical field
The utility model relates to the realm of building construction, specifically is the automatic door lock of the safety protective door at the import and export of building operations elevator floor, discharging platform mouth, elevator construction mouthful place.
Background technology
The safety protective door that the import and export of building operations elevator floor, discharging platform mouth, elevator construction mouth etc. are located, the lock form of safety protective door is more, form such as buckle as iron door bolt, latch, plate, though it is simple and easy, but can't automatically lock, during use, safety protective door often occur and do not fasten the phenomenon of closing, cause safety protective door often opening, very dangerous.The now existing safety protective door that adopts automatic locking is though it can automatically lock structure and principle complexity, need specialized designs production, and produce damage, maintenance maintenance difficulty through exposing to the sun and rain or bumping to shake to wait, easily lost efficacy, occurred malfunctioning gaps and omissions situation easily, still safe and reliable inadequately.
The utility model content
The purpose of this utility model provides a kind of simple in structure, easy to maintenance, and the automatic locking of safe and reliable safety protective door.
The technical solution of the utility model is such: the automatic locking of safety protective door, comprise lock housing, returning face plate, bearing pin and locking bar, above-mentioned lock housing is fixed on the pairing side door frame of door leaf active side of safety protective door, an end that is fixed on the doorframe with lock housing is the inner, above-mentioned lock housing is provided with the translot that is led to the outer end by the inner, and the outer end that this translot connects above-mentioned lock housing forms an opening, above-mentioned lock housing also is provided with translot phase quadrature therewith and connects the vertical slot at above-mentioned lock housing vertical direction two ends, and above-mentioned locking bar is fixed in the door leaf active side and the corresponding setting of the opening of above-mentioned translot of safety protective door; Above-mentioned returning face plate is movably arranged in the above-mentioned vertical slot by above-mentioned bearing pin, the center of gravity of above-mentioned returning face plate is partial to the inner of above-mentioned lock housing, the inner of above-mentioned returning face plate corresponding to the position in the above-mentioned translot be provided with one with the corresponding breach of above-mentioned locking bar, and the lower end of above-mentioned returning face plate extends the below of above-mentioned translot, above-mentioned returning face plate is provided with the excessively limited block of upset of restriction returning face plate, and above-mentioned returning face plate is provided with and stretches out the outer handle of above-mentioned lock housing.
Above-mentioned lock housing and returning face plate are all made by iron plate, and above-mentioned locking bar is made by reinforcing bar, and above-mentioned bearing pin adopts rivet.
After adopting such scheme, the automatic locking of safety protective door of the present utility model, when will be at closing time, locking bar is entered by the opening of the translot of lock housing, locking bar promotes returning face plate and overturns around bearing pin, and in locking bar entered the breach of returning face plate, this moment, returning face plate fell after rise under action of gravity, locking bar is stuck in the breach of returning face plate, thereby realizes automatically locking; When unblanking, only with hand is stirred handle to the outer extreme direction of lock housing, and returning face plate turn to the breach that locking bar leaves returning face plate around bearing pin, and this moment, returning face plate lost the restriction to locking bar, just can open safety protective door.Compared with prior art, the automatic locking of safety protective door of the present utility model, have simple in structure, easy to maintenance, and safe and reliable characteristics.And in the utility model, lock housing and returning face plate are all made by iron plate, and locking bar is made by reinforcing bar, and bearing pin adopts rivet, can make full use of the corner material of building site, and the scene can process, and required cost is very low.
Description of drawings
Fig. 1 is applied to the structural representation of safety protective door for the utility model;
Fig. 2 is a front view of the present utility model;
Fig. 3 is a right view of the present utility model;
Fig. 4 is a vertical view of the present utility model.
The specific embodiment
The automatic locking of safety protective door of the present utility model, as Fig. 1, Fig. 2, Fig. 3 and shown in Figure 4, comprise lock housing 1, returning face plate 2, bearing pin 3 and locking bar 4, lock housing 1 is fixed on the pairing side door frame 6 of door leaf 5 active side of safety protective door, an end that is fixed on the doorframe 6 with lock housing 1 is the inner, lock housing 1 is provided with the translot 11 that is led to the outer end by the inner, and the outer end that this translot 11 connects lock housing 1 forms an opening 12, lock housing 1 also is provided with translot 11 phase quadratures therewith and connects the vertical slot 13 at lock housing 1 vertical direction two ends, and locking bar 4 is fixed in door leaf 5 active side and the corresponding setting of the opening of translot 11 of safety protective door; Returning face plate 2 is provided with little circular arc portion 21, orthodrome part 22 and handle 23, returning face plate 2 vertically is arranged in the vertical slot 13, handle 23 stretches out lock housing 1 top, the intersection of little circular arc portion 21 and handle 23 hangs over the top of lock housing 1 by bearing pin 3 activities, the inner of the center of gravity deflection lock housing 1 of returning face plate 2, the intersection of little circular arc portion 21 and orthodrome part 22 is positioned at the inner of translot 11, this intersection be provided with one with locking bar 4 corresponding breach 24, and the lower end of little circular arc portion 21 extends the below of translot 11, and returning face plate 2 is provided with the excessively limited block 25 of upset of restriction returning face plate near the position of handle 23.
In the utility model, carve in the middle of the lock housing 1 usefulness iron plate and curve U-shaped behind the translot and form, the thick iron plate of returning face plate 2 usefulness is cut and is formed, and bearing pin 3 can adopt rivet.
When will be at closing time, locking bar 4 is entered by the opening of the translot 11 of lock housing 1, the little circular arc portion 21 that locking bar 4 promotes returning face plate 2 inwardly overturns around bearing pin 3, in locking bar 4 enters the breach 24 of returning face plate 2, this moment, returning face plate 2 fell after rise under action of gravity, locking bar 4 is stuck in the breach 24 of returning face plate, thereby realizes automatically locking; When unblanking, only with hand is stirred handle 23 to the outer extreme direction of lock housing 1, and the little circular arc portion 21 of returning face plate 2 turn to the breach 24 that locking bar 4 leaves returning face plate around bearing pin 3, and this moment, returning face plate 2 lost the restriction to locking bar 4, just can open safety protective door.Compared with prior art, the automatic locking of safety protective door of the present utility model, have simple in structure, easy to maintenance, and safe and reliable characteristics.And in the utility model, lock housing 1 and returning face plate 2 are all made by iron plate, and locking bar 4 is made by reinforcing bar, and bearing pin 3 adopts rivets, can make full use of the corner material of building site, and the scene can process, and required cost is very low.
Claims (2)
1. the automatic locking of safety protective door, it is characterized in that: comprise lock housing, returning face plate, bearing pin and locking bar, above-mentioned lock housing is fixed on the pairing side door frame of door leaf active side of safety protective door, an end that is fixed on the doorframe with lock housing is the inner, above-mentioned lock housing is provided with the translot that is led to the outer end by the inner, and the outer end that this translot connects above-mentioned lock housing forms an opening, above-mentioned lock housing also is provided with translot phase quadrature therewith and connects the vertical slot at above-mentioned lock housing vertical direction two ends, and above-mentioned locking bar is fixed in the door leaf active side and the corresponding setting of the opening of above-mentioned translot of safety protective door; Above-mentioned returning face plate is movably arranged in the above-mentioned vertical slot by above-mentioned bearing pin, the center of gravity of above-mentioned returning face plate is partial to the inner of above-mentioned lock housing, the inner of above-mentioned returning face plate corresponding to the position in the above-mentioned translot be provided with one with the corresponding breach of above-mentioned locking bar, and the lower end of above-mentioned returning face plate extends the below of above-mentioned translot, above-mentioned returning face plate is provided with the excessively limited block of upset of restriction returning face plate, and above-mentioned returning face plate is provided with and stretches out the outer handle of above-mentioned lock housing.
2. the automatic locking of safety protective door according to claim 1, it is characterized in that: above-mentioned lock housing and returning face plate are all made by iron plate, and above-mentioned locking bar is made by reinforcing bar, and above-mentioned bearing pin adopts rivet.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2009201390911U CN201474429U (en) | 2009-06-17 | 2009-06-17 | Automatic lock of safety protective door |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2009201390911U CN201474429U (en) | 2009-06-17 | 2009-06-17 | Automatic lock of safety protective door |
Publications (1)
Publication Number | Publication Date |
---|---|
CN201474429U true CN201474429U (en) | 2010-05-19 |
Family
ID=42410675
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2009201390911U Expired - Fee Related CN201474429U (en) | 2009-06-17 | 2009-06-17 | Automatic lock of safety protective door |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN201474429U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109667493A (en) * | 2019-01-23 | 2019-04-23 | 江苏乾宝牧业有限公司 | A kind of sheep fence door lock |
-
2009
- 2009-06-17 CN CN2009201390911U patent/CN201474429U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109667493A (en) * | 2019-01-23 | 2019-04-23 | 江苏乾宝牧业有限公司 | A kind of sheep fence door lock |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
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: 20100519 Termination date: 20170617 |
|
CF01 | Termination of patent right due to non-payment of annual fee |