CN2361774Y - Anti-theft door lock - Google Patents
Anti-theft door lock Download PDFInfo
- Publication number
- CN2361774Y CN2361774Y CN 98247750 CN98247750U CN2361774Y CN 2361774 Y CN2361774 Y CN 2361774Y CN 98247750 CN98247750 CN 98247750 CN 98247750 U CN98247750 U CN 98247750U CN 2361774 Y CN2361774 Y CN 2361774Y
- Authority
- CN
- China
- Prior art keywords
- tongue
- lock
- spring
- square tongue
- utility
- 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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- Lock And Its Accessories (AREA)
Abstract
The utility model relates to an anti-theft door lock, which comprises a lock shell, a square tongue, a spring, a deflector rod, a rotation lock core, a shifting gear, a handle, an oblique tongue, a linkage rod, and an oblique tongue spring. The utility model is characterized in that the square tongue is an integrative structure, which is arranged on the side shell of a lock tongue and is positioned by holes in both side shells. Waviness teeth are arranged in the middle part of the square tongue; the square tongue is sheathed in a locating sleeve; the locating sleeve is positioned by a stop bolt; the spring is arranged between the locating sleeve and the lock shell. The utility model has the advantages of simple and reasonable structure, firm structure, high safety and good anti-theft performance.
Description
The utility model relates to a kind of lock, particularly a kind of safe-guard door lock.
The main dead bolt of existing pair of flapper lock is a split-type structural, and is solid and reliable inadequately, and location and transmission mechanism structure are also reasonable inadequately, easily by artificial destruction, and safety inadequately.
The purpose of this utility model is to provide a kind of rational in infrastructure, firm solid, safe and reliable safe-guard door lock.
The purpose of this utility model can reach by following measure: the utility model comprises lock housing, square tongue, spring, driving lever, rotational lock core, moving tooth, handle, oblique tongue, trace, oblique tongue spring, it is characterized in that: square tongue is integrated, be loaded on the side shell of dead bolt, locate by the hole on the shell of both sides, be provided with the ripple tooth at square tongue by medium position, on the positioning sleeve side of the being enclosed within tongue, by the shop bolt location, spring is located between positioning sleeve and the lock housing.
The purpose of this utility model can also reach by following measure: square tongue adopts the stacked combination of steel disc to make.Have locating slot and locating hole on the positioning sleeve, cooperate the location respectively with shop bolt.The ripple tooth that rotational lock core can drive on moving tooth and the square tongue links.
Fig. 1 is an internal construction sectional view of the present utility model (shutting state);
Fig. 2 is an internal construction sectional view of the present utility model (unlocking condition);
Fig. 3 is that A-A of the present utility model is to sectional view;
Fig. 4 is that B-B of the present utility model is to sectional view;
Fig. 5 is a structure elevation of the present utility model;
Fig. 6 is a structure side view of the present utility model;
Fig. 7 is a structure rear elevation of the present utility model.
The utility model is described in further detail below in conjunction with accompanying drawing (embodiment):
With reference to Fig. 1---Fig. 7, the utility model is made up of lock housing 1, square tongue 2, positioning sleeve 3, spring 4, driving lever 5, rotational lock core 6, moving tooth 7, handle 8, oblique tongue 9, trace 10, oblique tongue spring 11, alignment pin 2,13 etc.Side's tongue 2 has hole 1-1 by the stacked integral body that is combined into of steel disc on the shell of the both sides of lock housing 1, square tongue 2 can pass hole 1-1 and be loaded on the lock housing 1; Be provided with upper and lower two row's ripple tooth 2-1 at square tongue 2 near medium position.On positioning sleeve 3 side's of being enclosed within tongues 2, have locating slot 3-1 and locating hole 3-2 on it, cooperate the location with shop bolt 12 and 13 respectively.Spring 4 is located between positioning sleeve 3 and the lock housing 1.Rotational lock core 6 is provided with three moving teeth 7.Be provided with driving lever 5 in addition between square tongue 2 and trace 10, can drive oblique tongue 9 by driving lever 5, its principle is identical with existing door lock, no longer narration.
During real work, key can make rotational lock core 6 drive moving tooth 7 and rotate, and moving tooth 7 can be by the ripple tooth 2-1 side of the stirring tongue 2 on the square tongue, and the side's of making tongue 2 can be done left and right sides transverse movement.Positioning sleeve 3 and spring 4 apply longitudinal pressure for square tongue 2, and the side's of making tongue 2 can not drop out in the 1-1 of hole.When moving tooth 7 was stirred ripple tooth 2-1, positioning sleeve 3 can make progress under moving tooth 7 is stirred and move slightly, thus convenience side's tongue 2 move left and right.
The utility model has following advantage compared to existing technology: simple and reasonable, solid firm, safety can Lean on, theftproof performance is good.
Claims (4)
1, a kind of safe-guard door lock, comprise lock housing (1), square tongue (2), spring (4), driving lever (5), rotational lock core (6), moving tooth (7), handle (8), oblique tongue (9), trace (10), oblique tongue spring (11), it is characterized in that: square tongue (2) is integrated, be loaded on the side shell of dead bolt (1), locate by the hole on the shell of both sides (1-1), be provided with ripple tooth (2-1) at square tongue (2) by medium position, on positioning sleeve (3) side's of being enclosed within tongue (2), by shop bolt (12), (13) location, spring (4) is located between positioning sleeve (3) and the lock housing (1).
2, lock according to claim 1 is characterized in that: square tongue (2) adopts the stacked combination of steel disc to make.
3, lock according to claim 1 is characterized in that: have locating slot (3-1) and locating hole (3-2) on the positioning sleeve (3), cooperate the location with shop bolt (12) and (13) respectively.
4, lock according to claim 1 is characterized in that: the ripple tooth (2-1) that rotational lock core (6) can drive on moving tooth (7) and the square tongue (2) links.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98247750 CN2361774Y (en) | 1998-12-22 | 1998-12-22 | Anti-theft door lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98247750 CN2361774Y (en) | 1998-12-22 | 1998-12-22 | Anti-theft door lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2361774Y true CN2361774Y (en) | 2000-02-02 |
Family
ID=33992916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98247750 Expired - Fee Related CN2361774Y (en) | 1998-12-22 | 1998-12-22 | Anti-theft door lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2361774Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105977072A (en) * | 2016-05-19 | 2016-09-28 | 苏州市鑫创精密模具有限公司 | Five-prevention mechanical lock internal locking mechanism |
-
1998
- 1998-12-22 CN CN 98247750 patent/CN2361774Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105977072A (en) * | 2016-05-19 | 2016-09-28 | 苏州市鑫创精密模具有限公司 | Five-prevention mechanical lock internal locking mechanism |
| CN105977072B (en) * | 2016-05-19 | 2018-06-26 | 苏州市鑫创精密模具有限公司 | A kind of five anti-mechanical lock internal locking mechanisms |
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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 |