CN2372414Y - Door lock - Google Patents
Door lock Download PDFInfo
- Publication number
- CN2372414Y CN2372414Y CN 99209956 CN99209956U CN2372414Y CN 2372414 Y CN2372414 Y CN 2372414Y CN 99209956 CN99209956 CN 99209956 CN 99209956 U CN99209956 U CN 99209956U CN 2372414 Y CN2372414 Y CN 2372414Y
- Authority
- CN
- China
- Prior art keywords
- lock
- kelly
- pull bar
- band spring
- groove
- 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
Links
Landscapes
- Control Of Vending Devices And Auxiliary Devices For Vending Devices (AREA)
Abstract
The utility model provides a door lock, which comprises a lock casing. A lock tongue, a pulling rod, a clamping rod mechanism, and an automatic back locking device are arranged in a lock cavity which is enclosed in a lock casing. Before the door is closed, as long as to start a clamping rod of the automatic back locking device by a hand, after the utility model is locked, the goal of automatically back locking can be achieved, omitting the inconvenience that the door is back locked by a key which is used by people.
Description
The utility model relates to a kind of door lock.
Various door locks can be described as and emerge in an endless stream, and all anti-lock device are housed, but they have a common weakness, close the door exactly when locking, and must start with key and could realize locking purpose, bring very inconvenience to the user.
The purpose of this utility model is exactly to provide a kind of door lock that can lock automatically at above-mentioned deficiency
The utility model comprises lock housing, is provided with dead bolt and the pull bar of band spring that is fixed together with it in the lock chamber that lock housing surrounded, and also is provided with kelly mechanism and anti-lock device automatically in the lock chamber.
Described kelly mechanism comprises and is located at pull bar near the draw-in groove in the place of dead bolt and be located at the card article that can swing automatically under this draw-in groove.
Described automatic anti-lock device comprises card frame and the kelly that can stop this card frame bounce-back to be with spring of the band spring of a bounce-back that can make progress automatically that is contained in pull bar below, and with block another draw-in groove that the supporting use of frame is located at pull bar.
Described automatic anti-lock device comprises that is contained in behind the dead bolt clamp of rotating band spring automatically, and the kelly that can stop this clamp rotation.
The utility model is closing in front of the door, and only with hand starts the kelly of anti-lock device, closes behind the door, and anti-lock device just can be locked automatically, has saved the inconvenience that people start with key.
Below in conjunction with accompanying drawing the utility model is further described.
Fig. 1, the utility model embodiment 1 front view.
Fig. 2, the utility model embodiment 2 front views.
The utility model comprises lock housing 9, in the lock gram 9 lock chambeies that surround, be provided with dead bolt 1, and the pull bar 2 of band spring that is fixed together with it, in addition, also be provided with a kelly mechanism and automatic anti-lock device, described kelly mechanism comprises a draw-in groove (not marking among the figure) that is located on the pull bar 2 near the place of dead bolt, a card article that can freely swing 3 is arranged below this draw-in groove, this card article 3 is to freely swing around its middle fixed axis 4, the lower end of card article 3 is more than its upper end recuperation, thereby make card article 3 under less external force effect, just can freely swing, the upper end of card article 3 is stuck in the draw-in groove of pull bar, the control pull rod move left and right has only when the outside swing in card article 3 lower ends and just can leave draw-in groove.Described anti-lock device can be as shown in Figure 1 spring can axially be gone up bounce-back band spring automatically around certain a card frame 5 that has that is located at pull bar 2 belows, with one can stop the upwards kelly 6 of the band spring of bounce-back of this card frame 5, kelly 6 is pressed in when flat and does not allow its upwards bounce-back on the card frame 5, and card frame 5 just can upwards rebound when only drawing back kelly 6.Matching used with card frame 5 is another draw-in groove (not marking among the figure) that is located on the pull bar 2.Described anti-lock device can also be that the clamp 7 of as shown in Figure 2 one the band spring that can rotate freely that is located at dead bolt 1 rear and one can control the kelly 8 that this clamp 7 rotates freely, and has only when kelly 8 and leaves breach 10, and clamp 7 just can rotate.Operating principle of the present utility model is: close in front of the door, dead bolt 1 closes available in front of the door hand starting kelly 6 or kelly 8 because the card article 3 of kelly mechanism is stuck in the draw-in groove on the pull bar 2 contracts in the lock chamber, card frame 5 is made progress rebound or clamp 7 is rotated down.When door and doorframe are collided, outwards swing card article 3 lower ends, thereby draw-in groove dead bolt on the pull bar is left under the effect of the spring on the pull bar in its upper end, stretch out the lock chamber and enter the lock tube locking, in the time of after the locking, upwards the card frame 5 of bounce-back is stuck in the draw-in groove of pull bar or the clamp 7 that is rotated down props up dead bolt at the rear of dead bolt, dead bolt just can not move backward like this, reach and lock purpose, can start by key when unblanking and make card frame 5 rotate releasing inwards to lock or make clamp 7 rotate releasing upward and lock and get final product.
Claims (3)
1, a kind of door lock, comprise lock housing (9), in the lock chamber that lock housing (9) surrounds, be provided with dead bolt (1), and the pull bar (2) of band spring that is fixed together with it, kelly mechanism, it is characterized in that: the utility model also is provided with an automatic anti-lock device, described kelly mechanism comprises that one is located at pull bar near a dead bolt draw-in groove in the localities, a band spring card article (3) that can freely swing is arranged below this draw-in groove, this card article (3) is to swing around fixed axis (4), and the lower end of card article (3) is more than its upper end recuperation.
2, door lock according to claim 1, it is characterized in that described automatic anti-lock device is a card frame (5) that is located at the bounce-back band spring that can make progress automatically under the pull bar (2), with one can stop the upwards kelly (6) of the band spring of bounce-back of this card frame (5), and one with block the matching used draw-in groove that is located on the pull bar (2) of frame (5).
3, door lock according to claim 1 is characterized in that described automatic anti-lock device is a clamp (7) that can rotate freely the band spring and the kelly (8) that can control the band spring of this clamp (7) rotation that is located at dead bolt (1) rear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99209956 CN2372414Y (en) | 1999-05-17 | 1999-05-17 | Door lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99209956 CN2372414Y (en) | 1999-05-17 | 1999-05-17 | Door lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2372414Y true CN2372414Y (en) | 2000-04-05 |
Family
ID=34003302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99209956 Expired - Fee Related CN2372414Y (en) | 1999-05-17 | 1999-05-17 | Door lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2372414Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102337807A (en) * | 2010-07-22 | 2012-02-01 | 宏洋金属（昆山）有限公司 | Fingerprint lock with improved counter locking structure |
| CN105370110A (en) * | 2015-11-19 | 2016-03-02 | 创斯达科技集团(中国)有限责任公司 | Safe case provided with linkage plate limiting mechanism |
-
1999
- 1999-05-17 CN CN 99209956 patent/CN2372414Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102337807A (en) * | 2010-07-22 | 2012-02-01 | 宏洋金属（昆山）有限公司 | Fingerprint lock with improved counter locking structure |
| CN105370110A (en) * | 2015-11-19 | 2016-03-02 | 创斯达科技集团(中国)有限责任公司 | Safe case provided with linkage plate limiting mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |