CN203497902U - Protective door bolt - Google Patents
Protective door bolt Download PDFInfo
- Publication number
- CN203497902U CN203497902U CN201320620640.3U CN201320620640U CN203497902U CN 203497902 U CN203497902 U CN 203497902U CN 201320620640 U CN201320620640 U CN 201320620640U CN 203497902 U CN203497902 U CN 203497902U
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- CN
- China
- Prior art keywords
- protective door
- plate
- latch
- bolt
- pivot
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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 - Fee Related
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Abstract
The utility model relates to a protective door bolt, in particular to the bolt used for an elevator floor safety protective door. The protective door bolt is arranged between a first protective door and a second protective door. The protective door bolt comprises a fixing plate mounted on the first protective door and a bolt plate mounted on the second protective door. The first end of the fixing plate is fastened on the first protective door, and a limiting space is formed between the second end of the fixing plate and the first protective door. The first end of the bolt plate is connected to the second protective door in a pivoted mode through a pivot, and the second end of the bolt plate vertically extends outwards to form a folding edge. In the locking process, the bolt plate is placed in the limiting space in a rotating mode, and the fixing plate is matched with the folding edge to be locked. The protective door bolt effectively solves the dislocation problem in an existing bolt and further has the advantages of being simple, convenient to use, practical and the like.
Description
Technical field
The utility model relates to a kind of protective door latch, espespecially a kind of latch for elevator floor safety protective door.
Background technology
In recent years, along with the fast development of China's town and country construction, skyscraper constantly emerges in multitude, and elevator hoistways door opening also becomes construction safety Frequent Accidents position, be potential safety hazard one of more intensively.Therefore in the various protected workings that face hole, limit, it is particularly important that the protection of elevator shaft mouth seems.In high-building construction process, the protection at elevator road junction is the emphasis of camp site safety precaution, also be the district occurred frequently of high falling safety misadventure, for guaranteeing the life security of operating personal, the generation of prevention casualty accident, according to building operation standard, elevator shaft mouth place must set up defences guard rail rod or fixing fence gate.
At present conventional protective door latch as shown in Figure 1, on the protective door 10 of splitting at two fans, protective door latch 20 is installed, this latch 20 comprises the first steel pipe 201, the second steel pipe 202, the 3rd steel pipe 203 and a pull bar 204, the first steel pipe 201 is fixedly welded on the outside of the first protective door 101, pull bar 204 wears the second steel pipe 202 and the 3rd steel pipe 203 and be connected with vertically downward leader between the second steel pipe 202 and the 3rd steel pipe 203, the second steel pipe 202 and the 3rd steel pipe 203 are fixedly welded on outside and corresponding first steel pipe 201 of the second protective door 102, by sliding tie rod 204, make pull bar 204 wear the first steel pipe 201, thereby order about latch 20 by the second protective door 102 and the first protective door 101 lockings.Above-mentioned way has following problem, when protective door 10 is given a shock, can make to produce inconsistent phenomenon between the first steel pipe 201 and pull bar 204, causes this latch 20 damage and can not use, and brings potential safety hazard.This inconsistent phenomenon is because steel-pipe welding is insecure or insecure generation of connection of two fan protective doors.
Utility model content
The purpose of this utility model is to overcome the defect of prior art, and a kind of protective door latch is provided, and solves existing latch because of the unsve problem that misplaces, and has effectively improved the safety control of camp site, also has the features such as simple, convenient, practical.
The technical scheme that realizes above-mentioned purpose is:
A protective door latch, is arranged between one first protective door and one second protective door, and described protective door latch comprises that an adapter plate and being installed on described the first protective door is installed on the latch plate on described the second protective door; The first end of described adapter plate is anchored on described the first protective door, between the second end of described adapter plate and described the first protective door, forms a spacing space; The first end of described latch plate is articulated in described the second protective door by pivot, and the second end of described latch plate outwards vertically extends to form a flanging in end; During locking, described latch plate rotation is placed in described spacing space, by described flanging, coordinates described adapter plate to complete locking.
The spacing space that adopts revolving latch plate to be fixed plate formation locks protective door, solved the problem of misalignment in existing latch, because this spacing space than steel pipe in prior art to check and approve accuracy requirement low, the utility model is to realize by the flanging on latch plate to the locking of protective door, as long as latch plate rotation is located in spacing space, by flanging, block adapter plate, realized the locking of protective door.The technical program also has simply, the feature such as convenient, practical.
Further improvement of the utility model is: described adapter plate comprises that a upper flat plate, a lower flat board be arrangeding in parallel with described upper flat plate and two ends are connected respectively the hang plate of described upper flat plate and described lower dull and stereotyped one end, described lower flat board by screw fastening in described the first protective door; Described upper flat plate, described hang plate and described protective door enclose and form described spacing space.
Further improvement of the utility model is: described latch plate comprises plate always, and one end of described straight plate offers through hole, be anchored on described the second protective door, and described straight plate can be rotated around described pivot by wearing the pivot of described through hole.
Accompanying drawing explanation
Structural representation when Fig. 1 is latch use of the prior art;
Structural representation when Fig. 2 is the use of the utility model protective door latch;
Fig. 3 is the lateral plan of adapter plate in the utility model protective door latch;
Fig. 4 is the front elevation of latch plate in the utility model protective door latch.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Refer to shown in Fig. 2, structural representation when the utility model protective door latch 30 is used, protective door latch 30 comprises that an adapter plate 301 and being installed on the first protective door 101 is installed on the latch plate 302 on the second protective door 102, by latch plate 302, be inserted in the space between adapter plate 301 and the first protective door 101, realized the locking between the second protective door 102 and the first protective door 101.Wherein:
Refer to shown in Fig. 3, adapter plate 301 comprises a upper flat plate 3011, a hang plate 3013 and dull and stereotyped 3012 once, and upper flat plate 3011 connects hang plates 3013, and hang plate 3013 connects more lower flat board 3012 and formed this adapter plate 301.Above-mentioned upper flat plate 3011 be arranged in parallel with lower dull and stereotyped 3012, and the bottom of upper flat plate 3011 connects the upper end of hang plate 3013, and lower dull and stereotyped 3012 upper end connects the bottom of hang plate 3013.Adapter plate 301 is by lower dull and stereotyped 3012 outsides that are anchored on the first protective door 101, this lower dull and stereotyped 3012 outside that fits in the first protective door 101 and be anchored on the first protective door 101 by a plurality of screws installations, adapter plate 301 is anchored on the first protective door 101, between the door-plate of upper flat plate 3011, hang plate 3013 and the first protective door 101, enclose and form a spacing space 3014, this spacing space 3014 is for placing latch plate 302, by the spacing locking realizing between the second protective door 102 and the first protective door 101 of the 3014 pairs of latch plates 302 in spacing space.
Refer to shown in Fig. 4, latch plate 302 comprises plate 3021 and a flanging outwards vertically extending to form in the first end of straight plate 3,021 3022 always, shown in Fig. 1, the second end of this straight plate 3021 is by the fastening outside that is installed on the second protective door 102 of pivot, near the second end of straight plate 3021, offer through hole, by pivot, wear this through hole straight plate 3021 is anchored on the second protective door 102, the external diameter that this through hole is slightly larger than pivot can be rotated around pivot straight plate 3021.Straight plate 3021 is placed in the spacing space 3014 of adapter plate 301 formation by rotation, and at this moment the flanging 3022 on latch plate 302 catches on the upper flat plate 3011 on adapter plate 301, and latch plate 302 is fixed the locking that plate 301 has been realized protective door.
Below the principle of work of the utility model protective door latch is described.
The technical solution of the utility model adopts correspondence on the door-plate of protective door 10 both sides that installation one adapter plate 301 and a latch plate 302 are set, latch plate 302 can rotate arbitrarily around one end, when the first protective door 101 and the second protective door 102 are closed while being placed in same plane, latch plate 302 rotations are located in the spacing space 3014 between adapter plate 301 and the first protective door 101, make latch plate 302 transverse fit on two side door plates, by the flanging 3022 on latch plate 302, block the upper flat plate 3011 on adapter plate 301, make latch plate 302 can very firmly cross between two side door plates, realize the locking of protective door.
Adopt such scheme, by screw, be connected protective door latch with pivotal mounting, can avoid welding of the prior art to produce unstable phenomenon because of the vibrations of protective door, when pivot is loosening because the rotation of latch plate 302 produces, can tighten very easily pivot.The utility model is installed simple and convenient, and the spacing space 3014 forming by adapter plate 301 and the design of the flanging 3022 on latch plate 302, avoided the problem of misalignment in existing latch, as long as can rotating, the straight plate on latch plate 302 is placed in the locking that can realize protective door in spacing space 3014, the pin hole that steel pipe compared to existing technology forms, the design's latch precision is less demanding, so when protective door is because inner side connects during insecure generation tilt phenomenon, the design's protective door latch can cannot not used because of dislocation, of the present utility model practical.
Below embodiment has been described in detail the utility model by reference to the accompanying drawings, and those skilled in the art can make many variations example to the utility model according to the above description.Thereby some details in embodiment should not form restriction of the present utility model, the utility model will be usingd scope that appended claims defines as protection domain of the present utility model.
Claims (3)
1. a protective door latch, is arranged between one first protective door and one second protective door, it is characterized in that: described protective door latch comprises that an adapter plate and being installed on described the first protective door is installed on the latch plate on described the second protective door; The first end of described adapter plate is anchored on described the first protective door, between the second end of described adapter plate and described the first protective door, forms a spacing space; The first end of described latch plate is articulated in described the second protective door by pivot, and the second end of described latch plate outwards vertically extends to form a flanging in end; During locking, described latch plate rotation is placed in described spacing space, by described flanging, coordinates described adapter plate to complete locking.
2. the protective door latch of recording according to claim 1, it is characterized in that: described adapter plate comprises that a upper flat plate, a lower flat board be arrangeding in parallel with described upper flat plate and two ends are connected respectively the hang plate of described upper flat plate and described lower dull and stereotyped one end, described lower flat board by screw fastening in described the first protective door; Described upper flat plate, described hang plate and described protective door enclose and form described spacing space.
3. the protective door latch of recording according to claim 1, it is characterized in that: described latch plate comprises plate always, one end of described straight plate offers through hole, be anchored on described the second protective door, and described straight plate can be rotated around described pivot by wearing the pivot of described through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320620640.3U CN203497902U (en) | 2013-10-09 | 2013-10-09 | Protective door bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320620640.3U CN203497902U (en) | 2013-10-09 | 2013-10-09 | Protective door bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203497902U true CN203497902U (en) | 2014-03-26 |
Family
ID=50328900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320620640.3U Expired - Fee Related CN203497902U (en) | 2013-10-09 | 2013-10-09 | Protective door bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203497902U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106809716A (en) * | 2015-11-30 | 2017-06-09 | 广西建工集团第四建筑工程有限责任公司 | A kind of interlock of material elevator protective door |
| CN112253551A (en) * | 2020-11-20 | 2021-01-22 | 河钢股份有限公司承德分公司 | Flatness appearance cooling air filter screen support |
-
2013
- 2013-10-09 CN CN201320620640.3U patent/CN203497902U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106809716A (en) * | 2015-11-30 | 2017-06-09 | 广西建工集团第四建筑工程有限责任公司 | A kind of interlock of material elevator protective door |
| CN112253551A (en) * | 2020-11-20 | 2021-01-22 | 河钢股份有限公司承德分公司 | Flatness appearance cooling air filter screen support |
| CN112253551B (en) * | 2020-11-20 | 2022-03-01 | 河钢股份有限公司承德分公司 | Flatness appearance cooling air filter screen support |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140326 Termination date: 20201009 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |