CN2873957Y - Door lock structure - Google Patents
Door lock structure Download PDFInfo
- Publication number
- CN2873957Y CN2873957Y CN 200520121509 CN200520121509U CN2873957Y CN 2873957 Y CN2873957 Y CN 2873957Y CN 200520121509 CN200520121509 CN 200520121509 CN 200520121509 U CN200520121509 U CN 200520121509U CN 2873957 Y CN2873957 Y CN 2873957Y
- Authority
- CN
- China
- Prior art keywords
- locking bar
- lock
- door latch
- latch structure
- base 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.)
- Expired - Lifetime
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Abstract
The utility model relates to a door lock structure for a door body that can be opened by rotating way, which comprises a base plate, a link rod that can be mounted rotatably on the base plate, a guiding and positioning device fixed on the base plate, a lock lever mounted slideably on the guiding and positioning device, and a mortise lock that is connected fixedly at the end of the lock lever. The periphery of the lock lever is looped with a compression spring. On the lock lever, a projecting pin is provided. On the link rod, a notch is provided. The door lock structure will be locked when the mortise lock is locked under the elastic returning force of the compression spring, and the door lock will open when the link rod rotates and drives the mortise lock to reach unlock position. To open the door lock, rotate the link rod, the notch on which will drive the projecting pin to move, which in turn drives the lock lever to move, so the mortise lock is driven to move, hence the door lock is opened. For closing, under elastic returning force of the compression spring, the lock lever moves in reverse direction and pushes the mortise lock to move to the locked position, hence the door lock becomes locked. The utility model is of simple and compact structure, and easy to operate.
Description
Technical field
The utility model relates to door latch structure, more particularly, relates to the door latch structure that can be used for the door body opened in the mode of rotating.
Background technology
The safe escape door of using in the door body, particularly some special occasions that some are opened with rotating manner, for example the safety door of the escape door in the subway platform safety door system, escape route or other similar Men Tizhong often need to install door latch structure.In normal condition following time, door latch structure is in locking state, and safe escape door is in locking states; And when emergency takes place, open described door latch structure, make safe escape door be in opening, and be convenient to escape.
Existing door latch structure typically uses push rod lock, and the door body is locked.Described push rod lock is typically provided with push rod, rotates by promoting push rod driven rotary mechanism, and drive lock core and rotate, and the locking of releasing opposite house body.The structure of these push rod locks is unusual complexity usually, can open door lock in order to guarantee the optional position that promotes push rod, makes good interlinked mechanism to be set on the push rod lock, has increased the component of door lock, is unfavorable for the assembling production of door lock.In addition, the primary structure of existing push rod lock all is mounted in the door leaf outside, and it is bigger to take up room, and just can not normally use in the place that is subjected to the restriction of installing space position.
The utility model content
The technical problems to be solved in the utility model is, the defective at the push rod lock of prior art provides a kind of simple in structure, compact, easy to operate door latch structure.
The technical scheme that its technical problem that solves the utility model adopts is: construct a kind of door latch structure, comprise base plate, rotatable be installed in connecting rod on the described base plate, be fixed on the described base plate guide locating device provided, slidably be installed in described on guide locating device provided locking bar and the inserting lock device that is fixedly connected on described locking bar end; The outer race of described locking bar is provided with end location, the other end is fixed on the compression spring on the described locking bar; Described locking bar is provided with protruding pin, and described connecting rod is provided with the fluting that cooperates with described protruding pin; Described door latch structure has the locking states that under the effect of described compression spring restoring force described inserting lock device is in locked position, and described connecting rod rotates under the drive of key, drive described protruding pin by described fluting moves and drive the opening that described inserting lock device arrives unlocked position.
In the door latch structure of the present utility model, described connecting rod comprises rotating main body, and described fluting is two kidney slots that are separately positioned on described main body both sides, and the middle position of described main body is provided with the square projection that cooperates with described key.
In the door latch structure of the present utility model, described locking bar comprises last locking bar and the following locking bar that is separately positioned on described connecting rod both sides; Described going up is respectively equipped with the described protruding pin that is arranged in the described kidney slot on locking bar and the following locking bar.
In the door latch structure of the present utility model, described compression spring is one, is installed in described going up on locking bar or the following locking bar; One end of described compression spring is fixed on the described locking bar, other end roof pressure be positioned at described guide locating device provided on.
In the door latch structure of the present utility model, the described guide locating device provided holder that is installed on the described base plate that comprises offers the through hole that passes and support described locking bar for described locking bar on the described holder.
In the door latch structure of the present utility model, the described guide locating device provided guide strip that is installed on the described base plate and covers described locking bar top that also comprises; Described guide strip is provided with the gathering sill that passes and be described protruding pin guiding for described protruding pin.
In the door latch structure of the present utility model, described junction plate is a U type junction plate.
In the door latch structure of the present utility model, described socket device comprises lock and is installed in mortise lock on the described lock.
Implement door latch structure of the present utility model, have following beneficial effect: when needs are opened door lock, rotate, and move, move, drive inserting lock device and move, realize unblanking thereby drive locking bar by the drive of the fluting on connecting rod protruding pin by the key drivening rod; And when closing, under the effect of the elastic-restoring force that compresses spring, drive locking bar oppositely to move, thereby promoting inserting lock device moves the arrival locked position, realizes locking; Has simple in structure, compact, easy to operate advantage.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the schematic diagram of the utility model door latch structure.
Fig. 2 is the schematic diagram of the connecting rod of the utility model door latch structure.
Fig. 3 is the schematic diagram of the guide strip of the utility model door latch structure.
Fig. 4 is the schematic diagram that the utility model door latch structure is applied to the door body of opening with rotating manner.
The specific embodiment
As shown in Figures 1 to 4, the utility model door latch structure 100 may be used on the door body 200 opened with rotating manner, comprise base plate 6, rotatable be installed in connecting rod 7 on the described base plate 6, be fixed on the described base plate 6 guide locating device provided, slidably be installed in described on guide locating device provided locking bar and the inserting lock device that is fixedly connected on described locking bar end.Described base plate 6 can be fixedly mounted in the frame material of a body 200, thereby whole door latch structure 100 is installed in the frame material of a body 200, reduces its occupation space.Be provided with compression spring 9 in the outer race of described locking bar, the end location of described compression spring 9, the other end are fixed on the described locking bar, thereby when opening inserting lock device, can compress spring 9 in the process that described locking bar moves; Close when needing inserting lock device, under the effect of the elastic-restoring force of described compression spring 9, promote described locking bar and oppositely move, drive the locking that resets of described inserting lock device.
Described locking bar is provided with protruding pin 41,101, and described connecting rod 7 is provided with the fluting that cooperates with described protruding pin 41,101.By cooperating of described fluting and protruding pin 41,101, can drive locking bar and move up and down, detailed aftermentioned.Described door latch structure 100 has locking states and opening.Described locking states is under the effect of described compression spring 9 elastic-restoring forces, promotes locking bar and resets, thereby make described inserting lock device be in locked position.Described opening is that described connecting rod 7 rotates under the drive of key, drives described protruding pin 41,101 by described fluting and moves drive, drives described locking bar and moves, thereby make described inserting lock device arrive unlocked position.
Described connecting rod 7 comprises a fusiform rotating main body 71.Described fluting is two kidney slots 72 that are separately positioned on described main body both sides, and the middle position of described main body is provided with the square projection 73 that cooperates with key.Described key is provided with the square opening that cooperates with described square projection 73, by cooperating of square opening and square projection 73, drives described rotating main body 71 and rotates.
Described locking bar comprises last locking bar 4 and the following locking bar 10 that is separately positioned on described connecting rod 7 both sides; Described going up is respectively equipped with the protruding pin 41,101 that is arranged in the described kidney slot 72 on locking bar 4 and the following locking bar 10.Understandable, in the highly less occasion of some body 200, also can use single last locking bar 4 or following locking bar 10.Described compression spring 9 is one, is installed on the described locking bar 10 down; One end of described compression spring 9 is fixed on the described locking bar, other end roof pressure be positioned at described guide locating device provided on.Certain described compression spring 9 also can be arranged on described going up on the locking bar 4, perhaps uses two to be located at the described compression spring of going up on locking bar 4 and the following locking bar 10 9 respectively.
The described guide locating device provided holder 5 that is installed on the described base plate 6 that comprises offers the through hole that passes and support described locking bar for described locking bar on the described holder 5.The described guide locating device provided guide strip 8 that is installed on the described base plate 6 and covers described locking bar top that also comprises.Described guide strip 8 is provided with the gathering sill that passes and be described protruding pin 41,101 guiding for described protruding pin 41,101, and described gathering sill is the kidney slot 81 that vertically is provided with.By the restriction of described holder 5 and guide strip 8, make the described locking bar 4 of going up to move up and down in vertical direction stably with following locking bar 10.
Described socket device comprises lock 2 and is installed in mortise lock 1 on the described lock 2.Described lock 2 is fixedly mounted in the frame material of a body 200, and described mortise lock 1 is connected with locking bar by junction plate 3, and is moved up and down by described locking bar drive, to realize the locking and the unlatching of opposite house body 200.In the present embodiment, described junction plate 3 is a U type junction plate 3, and described junction plate 3 can certainly be other shape.
When needs are opened described body 200, at first described key is inserted on the described square projection 73, key turns clockwise, driving described connecting rod 7 turns clockwise, under the position-limiting action of described fluting, drive the described protruding pin 41 of going up locking bar 4 and move down, locking bar 4 moves down thereby drive upward, and is withdrawed from the lock hole seat 201 (can be installed on the doorframe) of top by the described mortise lock 1 of going up locking bar 4 drive tops; Simultaneously, under the position-limiting action of described fluting, drive the described protruding pin 101 of locking bar 10 down and move up, locking bar 10 moves up thereby drive down, and is withdrawed from the lock hole seat 201 of below by the mortise lock 1 that described locking bar 10 down drives the below.Because an end of described compression spring 9 is fixed on the described locking bar 10 down, thereby in the described down process that locking bar 10 moves up, compress described compression spring 9.
When closing described door body 200, under the effect of the elastic-restoring force of described compression spring 9, promotes described locking bar 10 down and move down, the lock hole seat 201 below the mortise lock 1 that promotes the below enters; At this moment, the protruding pin 101 on the following locking bar 10 slides in the fluting of described connecting rod 7, and drives described connecting rod 7 rotations; In described connecting rod 7 rotations, the fluting of its opposite side then promotes the described protruding pin 41 of going up locking bar 4 and moves up, and moves up thereby promote the described locking bar 4 of going up, and the mortise lock 1 that promotes the top enters the lock hole seat 201 of top, makes door body 200 for locking states.
Claims (8)
1, a kind of door latch structure, it is characterized in that, comprise base plate, rotatable be installed in connecting rod on the described base plate, be fixed on the described base plate guide locating device provided, slidably be installed in described on guide locating device provided locking bar and the inserting lock device that is fixedly connected on described locking bar end; The outer race of described locking bar is provided with end location, the other end is fixed on the compression spring on the described locking bar; Described locking bar is provided with protruding pin, and described connecting rod is provided with the fluting that cooperates with described protruding pin; Described door latch structure has the locking states that under the effect of described compression spring restoring force described inserting lock device is in locked position, and described connecting rod rotates under the drive of key, drive described protruding pin by described fluting moves and drive the opening that described inserting lock device arrives unlocked position.
2, door latch structure according to claim 1 is characterized in that, described connecting rod comprises rotating main body, and described fluting is two kidney slots that are separately positioned on described main body both sides, and the middle position of described main body is provided with the square projection that cooperates with described key.
3, door latch structure according to claim 2 is characterized in that, described locking bar comprises last locking bar and the following locking bar that is separately positioned on described connecting rod both sides; Described going up is respectively equipped with the described protruding pin that is arranged in the described kidney slot on locking bar and the following locking bar.
4, door latch structure according to claim 3 is characterized in that, described compression spring is one, is installed in described going up on locking bar or the following locking bar; One end of described compression spring is fixed on the described locking bar, other end roof pressure be positioned at described guide locating device provided on.
According to each the described door latch structure in the claim 1-4 item, it is characterized in that 5, the described guide locating device provided holder that is installed on the described base plate that comprises offers the through hole that passes and support described locking bar for described locking bar on the described holder.
6, door latch structure according to claim 5 is characterized in that, the described guide locating device provided guide strip that is installed on the described base plate and covers described locking bar top that also comprises; Described guide strip is provided with the gathering sill that passes and be described protruding pin guiding for described protruding pin.
7, door latch structure according to claim 1 is characterized in that, described junction plate is a U type junction plate.
8, door latch structure according to claim 1 is characterized in that, described socket device comprises lock and is installed in mortise lock on the described lock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520121509 CN2873957Y (en) | 2005-12-30 | 2005-12-30 | Door lock structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520121509 CN2873957Y (en) | 2005-12-30 | 2005-12-30 | Door lock structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2873957Y true CN2873957Y (en) | 2007-02-28 |
Family
ID=37780553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520121509 Expired - Lifetime CN2873957Y (en) | 2005-12-30 | 2005-12-30 | Door lock structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2873957Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102431939A (en) * | 2011-12-07 | 2012-05-02 | 长沙中联消防机械有限公司 | High-altitude operation vehicle working hopper door |
| CN102966277A (en) * | 2011-09-01 | 2013-03-13 | 松下电气机器（北京）有限公司 | Subway emergency door lock mechanism |
| CN103089083A (en) * | 2011-11-07 | 2013-05-08 | 松下电气机器（北京）有限公司 | Transverse locking mechanism of metro emergency door |
| CN107724805A (en) * | 2017-10-27 | 2018-02-23 | 大新县科学技术情报研究所 | A kind of ditrysian type safe-guard door lock |
| CN111392537A (en) * | 2020-04-22 | 2020-07-10 | 施密特电梯有限公司 | Large-tonnage goods lift |
-
2005
- 2005-12-30 CN CN 200520121509 patent/CN2873957Y/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102966277A (en) * | 2011-09-01 | 2013-03-13 | 松下电气机器（北京）有限公司 | Subway emergency door lock mechanism |
| CN102966277B (en) * | 2011-09-01 | 2014-11-12 | 松下电气机器（北京）有限公司 | Subway emergency door lock mechanism |
| CN103089083A (en) * | 2011-11-07 | 2013-05-08 | 松下电气机器（北京）有限公司 | Transverse locking mechanism of metro emergency door |
| CN103089083B (en) * | 2011-11-07 | 2015-02-04 | 松下电气机器（北京）有限公司 | Transverse locking mechanism of metro emergency door |
| CN102431939A (en) * | 2011-12-07 | 2012-05-02 | 长沙中联消防机械有限公司 | High-altitude operation vehicle working hopper door |
| CN107724805A (en) * | 2017-10-27 | 2018-02-23 | 大新县科学技术情报研究所 | A kind of ditrysian type safe-guard door lock |
| CN111392537A (en) * | 2020-04-22 | 2020-07-10 | 施密特电梯有限公司 | Large-tonnage goods lift |
| CN111392537B (en) * | 2020-04-22 | 2024-01-23 | 施密特电梯有限公司 | Large-tonnage goods elevator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHENZHEN FANGDA AUTOMATION SYSTEM CO., LTD. Free format text: FORMER OWNER: FANGDA GROUP CO., LTD. Effective date: 20101116 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 518055 FANGDA INDUSTRY CITY, LONGJING, XILI TOWN, NANSHAN DISTRICT, SHENZHEN CITY, GUANGDONG PROVINCE TO: 518055 FANGDA CITY, LONGJING, XILI, NANSHAN DISTRICT, SHENZHEN CITY, GUANGDONG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20101116 Address after: 518055 Guangdong city of Shenzhen province Nanshan District Xili, Longjing Fangda Patentee after: Shenzhen Fangda Automation System Co., Ltd. Address before: 518055 Guangdong city of Shenzhen province Nanshan District Xili Town, Longjing Fangda industrial city Patentee before: Fangda Group Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20070228 |
|
| EXPY | Termination of patent right or utility model |