CN203856292U - Safety door latch body - Google Patents
Safety door latch body Download PDFInfo
- Publication number
- CN203856292U CN203856292U CN201420299302.9U CN201420299302U CN203856292U CN 203856292 U CN203856292 U CN 203856292U CN 201420299302 U CN201420299302 U CN 201420299302U CN 203856292 U CN203856292 U CN 203856292U
- Authority
- CN
- China
- Prior art keywords
- secondary lock
- lock body
- 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.)
- Expired - Lifetime
Links
- 125000006850 spacer group Chemical group 0.000 claims description 21
- 230000006835 compression Effects 0.000 claims description 7
- 238000007906 compression Methods 0.000 claims description 7
- 230000003068 static effect Effects 0.000 abstract 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
Landscapes
- Lock And Its Accessories (AREA)
Abstract
The utility model discloses a safety door latch body. The safety door latch body is characterized in that a limiting groove is formed in an assistant spring bolt, a limiting plate is arranged inside the limiting groove, the central part of the limiting plate is rotationally connected with the assistant spring bolt, two convex teeth arranged front and back are arranged on the top surface of the limiting plate, and an elastic pressure device pressed at the rear end of the limiting plate is arranged inside an assistant locking case; when an external force isn't exerted on the limiting plate except the safety door latch body, the back convex tooth is positioned inside the assistant locking case and hung on a static locking plate, and the front convex tooth is positioned outside the assistant locking case and stretches out of the limiting groove; when the front convex tooth is pressed to enter the limiting groove, the back convex tooth is divorced from the static locking plate. According to the utility model, the special limiting plate is increased on the condition that a key isn't needed and a handle isn't lifted, and an assistant latch body can be locked only through an action of closing a door, so that the safety door latch body can be completely locked and the safety level of the door can be improved.
Description
Technical field
The utility model 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.
Utility model content
The technical problems to be solved in the utility model is: provide a kind of without key and handle, only by simple closing the door, moving 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 utility model comprises 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, during 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, and two auxiliary lock bodies are the above and below in master lock body respectively.
The beneficial effects of the utility model are: the utility model is by increasing special device banking stop, under the prerequisite without key and lifting handle, only by simple closing the door, moving just can be by auxiliary lock body locking, thereby reach the complete locking state of safety door lock body, improved the safe class of door.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
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.
The specific embodiment
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 the secondary lock tongue operating mechanism that secondary lock tongue 4 entered and stretched 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 bottom surface of banking stop 11 and rotary axis groove over against position be 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, during 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 secondary lock tongue 4 and spring are in the both sides of spacer 8 for 9 minutes.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 control handle, control moving locking plate 6, moving locking plate 6 promotes secondary lock tongue operating mechanism dead bolt is retracted, and has realized the unlatching of door.When 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, during 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 bodies are the above and below in master lock body respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420299302.9U CN203856292U (en) | 2014-06-07 | 2014-06-07 | Safety door latch body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420299302.9U CN203856292U (en) | 2014-06-07 | 2014-06-07 | Safety door latch body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203856292U true CN203856292U (en) | 2014-10-01 |
Family
ID=51606154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420299302.9U Expired - Lifetime CN203856292U (en) | 2014-06-07 | 2014-06-07 | Safety door latch body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203856292U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103993788A (en) * | 2014-06-07 | 2014-08-20 | 李健 | Safety door lock body |
-
2014
- 2014-06-07 CN CN201420299302.9U patent/CN203856292U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103993788A (en) * | 2014-06-07 | 2014-08-20 | 李健 | Safety door lock body |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191223 Address after: 250000 room 1202, East Lake building, 2-8 Ming Hu Road, Lixia District, Ji'nan, Shandong. Patentee after: Ji'nan Hesheng Construction Technology Co.,Ltd. Address before: 250032, No. 6, building B, Ji'nan Industrial Park, China Ordnance Group, middle section of Xin Huang Road, Tianqiao District, Shandong, Ji'nan Patentee before: Li Jian |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200226 Address after: 2-202, building 2, Huaiyuan Xincheng, Huaiyin District, Jinan City, Shandong Province Patentee after: Hesheng (Shandong) door and window system Co.,Ltd. Address before: 250000 room 1202, East Lake building, 2-8 Ming Hu Road, Lixia District, Ji'nan, Shandong. Patentee before: Ji'nan Hesheng Construction Technology Co.,Ltd. |
|
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 3-208-6, Lvcheng Lanyue, No. 22, Wenhua East Road, Lixia District, Jinan, Shandong 250000 Patentee after: Hesheng (Shandong) door and window system Co.,Ltd. Address before: 250022 2-202, building 2, Huaiyuan Xincheng, Huaiyin District, Jinan City, Shandong Province Patentee before: Hesheng (Shandong) door and window system Co.,Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20141001 |