CN2380637Y - Slot type safety door lock preventing from inserting piece - Google Patents
Slot type safety door lock preventing from inserting piece Download PDFInfo
- Publication number
- CN2380637Y CN2380637Y CN 99227495 CN99227495U CN2380637Y CN 2380637 Y CN2380637 Y CN 2380637Y CN 99227495 CN99227495 CN 99227495 CN 99227495 U CN99227495 U CN 99227495U CN 2380637 Y CN2380637 Y CN 2380637Y
- Authority
- CN
- China
- Prior art keywords
- lock
- dead bolt
- tongue
- safety door
- vertical slot
- 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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- Securing Of Glass Panes Or The Like (AREA)
- Closing And Opening Devices For Wings, And Checks For Wings (AREA)
- Special Wing (AREA)
Abstract
The utility model relates to a slot type safety door lock which can prevent inserting pieces, and relates to a safety theft-proof door lock for houses and office occupancies. The utility model is composed of a lock shell, a lock core, a lock tongue, a lock knob and a lock-tongue socket sleeve. The lock tongue is arranged in the lock shell. The lock tongue is connected with a lock-tongue transmission component. The lock core is connected with a square ruler. The square ruler is inserted in the lock shell, and is matched with the lock-tongue transmission component. The utility model is characterized in that a lock-tongue slope is provided with a vertical slot. A safe edge at the upper end of the lock-tongue socket sleeve is provided with a guide slope. The guide slope has the same slant angle as the lock-tongue slope. The vertical slot on the lock-tongue slope is arranged at the one third position of the slope. The depth of the vertical slot is one third of the total height of the lock tongue. The width of the vertical slot is smaller than the width of the guide slope of the safe edge.
Description
What the anti-inserted sheet safety door latch of the utility model slot type related to is a kind of house, office occupancy safe antitheft door lock.
Present common Door-lock bolt is beveled, can not delinquency prevention molecule inserted sheet by the dead bolt inclined-plane dead bolt be squeezed and opens burglary, and therefore common door lock theftproof performance is relatively poor.
The purpose of this utility model is to be latched in weak point at common door to provide a kind of slot type to prevent the inserted sheet safety door latch, has vertical slot on the dead bolt inclined-plane, and safe edge is provided with the inclined-plane, and is simple in structure, installs, easy to use, can prevent that inserted sheet from unblanking good anti-theft effect.
The anti-inserted sheet safety door latch of slot type takes following scheme to realize: the anti-inserted sheet Structure of safety door lock of slot type is by lock housing, lock core, dead bolt, cage knob, safety knobs, the dead bolt cover for seat constitutes, dead bolt is assemblied in the lock housing, dead bolt is connected with the dead bolt driving member, lock core is connected with square chi, square chi inserts lock housing and matches with the dead bolt driving member, transmission dead bolt when opening door lock, dead bolt is withdrawed from the dead bolt cover for seat, dead bolt has vertical slot on the inclined-plane, on the safe edge of dead bolt cover for seat upper end guiding surface is arranged, during assembling, guiding surface is parallel with pin tongue inclined-plane, and the pin tongue is freely slipped in the pin tongue cover for seat.Cage knob is housed on the lock housing, is used for the moving dead bolt of button in the room, the opening safety door lock, returning apparatus has safety knobs, is used for the indoor burglary insurance of safety door latch.
The anti-inserted sheet safety door latch of slot type is to increase and well-designed a kind of safe antitheft door lock according to inserted sheet break-ins case in the society.Owing to open a vertical slot on the dead bolt inclined-plane, when the inserted sheet force acted on the dead bolt inclined-plane, because of vertical slot intercepts, inserted sheet was stuck among the vertical slot, and dead bolt contracts after no longer, and door can't be opened.The utility model Structure of safety door lock is simple, install with common door phase-locked with, can prevent that inserted sheet from unblanking, theftproof performance is good.The utility model project organization is applicable to the oblique lingual surface formula of various low-medium-high levels door lock.
The utility model is described in further detail below with reference to accompanying drawing.
Fig. 1 is the anti-inserted sheet Structure of safety door lock schematic diagram of slot type.
Fig. 2 is the anti-inserted sheet safety door latch dead bolt schematic diagram of slot type.
Fig. 3 is the anti-inserted sheet safety door latch lock bolt sleeve schematic diagram of slot type.
Fig. 4 is anti-inserted sheet safety door latch dead bolt of slot type and lock bolt sleeve work schematic diagram.
With reference to accompanying drawing, the anti-inserted sheet Structure of safety door lock of slot type is made of lock housing 2, lock core 11, dead bolt 4, cage knob 1, safety knobs 3, dead bolt cover for seat 7.Dead bolt 4 is assemblied in the lock housing 2, and the dead bolt driving member links to each other with dead bolt 4, and lock core 11 is connected with square chi 10, and square chi insertion lock housing 2 matches with the dead bolt driving member and is used for transmission dead bolt 4.Have vertical slot 9 on the dead bolt inclined-plane 8, be processed with guiding surface 5 at dead bolt cover for seat 7 upper end safe edges 6, identical at the guiding surface 5 of dead bolt cover for seat 7 upper end safe edges 6 with angle of slope, dead bolt inclined-plane.Vertical slot 9 is arranged on 1/3 place, 8 tops, dead bolt inclined-plane, the dark h of vertical slot is 1/3 of dead bolt height overall H, the dead bolt vertical slot is wide to be L2, dead bolt cover for seat upper end safe edge 6 is processed with the inclined-plane of an angle [alpha] 1, surface width L1, the wide L2 of vertical slot should be less than the width L1 of safe edge guiding surface 5 on the dead bolt, and the angle [alpha] 2 on dead bolt inclined-plane is identical with dead bolt cover for seat guiding surface angle [alpha] 2.
Claims (4)
1, the anti-inserted sheet safety door latch of a kind of slot type, have lock housing, lock core, dead bolt, cage knob, dead bolt cover for seat, dead bolt is assemblied in the lock housing, dead bolt is connected with the dead bolt driving member, lock core is connected with square chi, square chi inserts lock housing and matches with the dead bolt driving member, it is characterized in that having vertical slot on the dead bolt inclined-plane, and safe edge has guiding surface in dead bolt cover for seat upper end.
2, the anti-inserted sheet safety door latch of slot type according to claim 1 is characterized in that the guiding surface on dead bolt cover for seat safe edge is identical with angle of slope, dead bolt inclined-plane.
3, the anti-inserted sheet safety door latch of slot type according to claim 1 is characterized in that vertical slot is arranged on 1/3 place, inclined-plane on the dead bolt inclined-plane, and vertical slot is 1/3 of dead bolt height overall deeply.
4, the anti-inserted sheet safety door latch of slot type according to claim 1, it is characterized in that vertical slot is wide on the dead bolt should be less than the width of safe edge guiding surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99227495 CN2380637Y (en) | 1999-03-16 | 1999-03-16 | Slot type safety door lock preventing from inserting piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99227495 CN2380637Y (en) | 1999-03-16 | 1999-03-16 | Slot type safety door lock preventing from inserting piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2380637Y true CN2380637Y (en) | 2000-05-31 |
Family
ID=34016998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99227495 Expired - Fee Related CN2380637Y (en) | 1999-03-16 | 1999-03-16 | Slot type safety door lock preventing from inserting piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2380637Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109989634A (en) * | 2019-04-17 | 2019-07-09 | 重庆工业职业技术学院 | A kind of lock tongue and buckle structure that tamper prevention lock tongue opens the door |
-
1999
- 1999-03-16 CN CN 99227495 patent/CN2380637Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109989634A (en) * | 2019-04-17 | 2019-07-09 | 重庆工业职业技术学院 | A kind of lock tongue and buckle structure that tamper prevention lock tongue opens the door |
| CN109989634B (en) * | 2019-04-17 | 2023-10-13 | 重庆工业职业技术学院 | Lock tongue and lock catch structure for preventing toggle lock tongue from opening door |
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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 |