CN203175324U - Dual-protection burglary-proof door - Google Patents
Dual-protection burglary-proof door Download PDFInfo
- Publication number
- CN203175324U CN203175324U CN 201320035913 CN201320035913U CN203175324U CN 203175324 U CN203175324 U CN 203175324U CN 201320035913 CN201320035913 CN 201320035913 CN 201320035913 U CN201320035913 U CN 201320035913U CN 203175324 U CN203175324 U CN 203175324U
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- CN
- China
- Prior art keywords
- steel plate
- door
- core
- doorframe
- hole
- Prior art date
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- Expired - Lifetime
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Abstract
The utility model discloses a dual-protection burglary-proof door which comprises a door core and a door frame. An outer protective strip and a door lock are arranged on the door core. The door lock comprises a locking dog, the door frame is provided with a positioning strip and a keyhole, the lock dog is matched with the keyhole, the outer protective strip is matched with the surface of the outer side of the door frame, and the positioning strip is matched with the surface of the inner side of the door core. A first step is arranged at the position, located on the inner side of the root of the outer protective strip, of the door core, a first steel plate is fixed on the first step, and a first through hole is formed in the first steel plate. A second step is arranged at the position, located on the outer side of the root of the positioning strip, of the door frame, a second steel plate is fixed on the second step, and a second through hole is formed in the second steel plate. When the dual-protection burglary-proof door is closed, the first steel plate is inserted into a gap between the second steel plate and the door frame, and the second steel plate is inserted into a gap between the first steel plate and the door core. When extending into the keyhole, the locking dog penetrates through the first through hole and the second through hole. The dual-protection burglary-proof door has the advantage of being high in burglary-proof performance.
Description
Technical field
The present invention relates to pick-proof gate technique field, especially relate to a kind of duplicate protection and prevent forcing open the door.
Background technology
Anti-use of forcing open the door has greatly increased the safety of property.Usually, anti-forcing open the door comprises door core and the doorframe that is hinged together.Wherein, this core is provided with outer guard strip and door lock, and this door lock comprises dead bolt, and this doorframe is provided with positioning strip and lockhole, and this dead bolt and this lockhole match, and the outer surface of this outer guard strip and this doorframe matches, and the inner surface of this positioning strip and this core matches.That is, when this pick-proof door lock closed, this dead bolt stretched in this lockhole; This outer casing is close to the outer surface of this doorframe, thereby from this anti-this core of outside seal of forcing open the door and the slit between the doorframe; This positioning strip is close to the inner surface of this core, thereby from this anti-this core of inner sealing of forcing open the door and the slit between the doorframe.Though like this anti-forced open the door by adopting such as improving door latch structure, improving the modes such as material of this core and doorframe, improved its pick-proof ability greatly, but, in case there is the undesirable to pry open outer guard strip or positioning strip, crowbar is stretched in the slit of this core and doorframe, can this dead bolt be prized in lockhole by violence.That is, this anti-pick-proof ability of forcing open the door still has certain defective.
Summary of the invention
The purpose of this invention is to provide a kind of duplicate protection prevents forcing open the door; even if having the lawless person, it adopt violence that instruments such as crowbar are inserted in the slit between this core and the doorframe; should anti-force open the door still is difficult for opening, and has the characteristics of higher pick-proof performance thereby should anti-force open the door.
The technical solution adopted in the present invention is: duplicate protection is anti-forces open the door; comprise a core and doorframe; wherein; this core is provided with outer guard strip and door lock, and this door lock comprises dead bolt, and this doorframe is provided with positioning strip and lockhole; and this dead bolt and this lockhole match; the outer surface that is somebody's turn to do outer guard strip and this doorframe matches, and the inner surface of this positioning strip and this core matches
---the root inboard that is positioned at this outer guard strip on this core is provided with first step, and first steel plate is fixedly arranged on this first step, and this first steel plate is provided with first through hole;
---the root outside that is positioned at this positioning strip on this doorframe is provided with second step, and second steel plate is fixedly arranged on this second step, and this second steel plate is provided with second through hole; Simultaneously,
Force open the door when closing when this duplicate protection is anti-, this first steel plate inserts in the space between this second steel plate and this doorframe, and this second steel plate inserts in the space between this first steel plate and this core; And
In the time of in this dead bolt extends this lockhole, this dead bolt passes this first through hole and this second through hole.
Described first, second steel plate is the spring steel preparation.
The present invention compares the advantage that has with prior art: have higher pick-proof performance.Duplicate protection of the present invention is anti-forces open the door when locking states; not only dead bolt is inserted in this lockhole; and this dead bolt is inserted in simultaneously and is positioned at first through hole on this core and is positioned at second through hole on this doorframe; simultaneously; this first steel plate and second steel plate are interlocked mutually; even if thereby the lawless person adopts violence that instruments such as crowbar are inserted in the slit between this core and the doorframe; also be difficult to make this first steel plate to separate with second steel plate; and be difficult to make this dead bolt in this first through hole and second through hole, to be extracted; be equivalent to prevent forcing open the door having increased double protection for this, and then improved this anti-pick-proof performance of forcing open the door greatly.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples:
Fig. 1 is the door core of embodiments of the invention and the vertical view cutaway drawing of doorframe locking states;
Fig. 2 is the door core of embodiments of the invention and the vertical view cutaway drawing of doorframe decomposing state.
The specific embodiment
Embodiment, see illustrated in figures 1 and 2: duplicate protection is anti-forces open the door, and comprises a core 10 and doorframe 20.Wherein, this core 10 is provided with outer guard strip 12 and door lock 30, this door lock 30 comprises dead bolt 31, this doorframe 20 is provided with positioning strip 22 and lockhole 23, and this dead bolt 31 and this lockhole 23 match, the outer surface that is somebody's turn to do outer guard strip 12 and this doorframe 20 matches, and the inner surface of this positioning strip 22 and this core 10 matches.
More particularly, the root inboard that is positioned at this outer guard strip 12 on this core 10 is provided with first step 11, and first steel plate 111 is fixedly arranged on this first step 11, and this first steel plate 111 is provided with first through hole 1111.Like this, has certain space between this first steel plate 111 and this core 10.The root outside that is positioned at this positioning strip 22 on this doorframe 20 is provided with second step 21, and second steel plate 211 is fixedly arranged on this second step 21, and this second steel plate 211 is provided with second through hole 2111.Like this, also has certain space between this second steel plate 211 and this doorframe 20.Simultaneously, force open the door when closing when this duplicate protection is anti-, in the space that this first steel plate 111 inserts between these second steel plates 211 and this doorframe 20, in the space that this second steel plate 211 inserts between these first steel plates 111 and this core 10.That is, these first steel plate 111 and these second steel plate, 211 mutual interlocks.And in the time of in this dead bolt 31 extends this lockhole 23, this dead bolt 31 passes this first through hole 1111 and this second through hole 2111.Like this, even if the lawless person adopts violence that instruments such as crowbar are inserted in the slit between this core 10 and the doorframe 20, also be difficult to make this first steel plate 111 to separate with second steel plate 211, and be difficult to make this dead bolt 31 in this first through hole 1111 and second through hole 2111, to be extracted, be equivalent to prevent forcing open the door having increased double protection for this, and then improved this anti-pick-proof performance of forcing open the door greatly.
Optimize, this first steel plate 111 and second steel plate 211 all adopt the spring steel preparation.Because spring steel has higher rigidity and toughness, thereby further improved the anti-pick-proof ability of forcing open the door of this duplicate protection.
The above only is the preferred embodiments of the present invention; be not so limit claim of the present invention; every equivalent structure or equivalent flow process conversion that utilizes manual of the present invention and accompanying drawing content to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present invention.
Claims (2)
1. duplicate protection is anti-forces open the door; comprise a core (10) and doorframe (20); wherein; this core (10) is provided with outer guard strip (12) and door lock (30), and this door lock (30) comprises dead bolt (31), and this doorframe (20) is provided with positioning strip (22) and lockhole (23); and this dead bolt (31) and this lockhole (23) match; the outer surface that is somebody's turn to do outer guard strip (12) and this doorframe (20) matches, and the inner surface of this positioning strip (22) and this core (10) matches, and it is characterized in that:
---the root inboard that is positioned at this outer guard strip (12) on this core (10) is provided with first step (11), and this first step (11) is gone up fixedly first steel plate (111), and this first steel plate (111) is provided with first through hole (1111);
---the root outside that is positioned at this positioning strip (22) on this doorframe (20) is provided with second step (21), and this second step (21) is gone up fixedly second steel plate (211), and this second steel plate (211) is provided with second through hole (2111); Simultaneously,
Force open the door when closing when this duplicate protection is anti-, this first steel plate (111) inserts in the space between this second steel plate (211) and this doorframe (20), and this second steel plate (211) inserts in the space between this first steel plate (111) and this core (10); And
In the time of in this dead bolt (31) extends this lockhole (23), this dead bolt (31) passes this first through hole (1111) and this second through hole (2111).
2. duplicate protection according to claim 1 is anti-forces open the door, and it is characterized in that: described first, second steel plate (111,211) is the spring steel preparation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320035913 CN203175324U (en) | 2013-01-22 | 2013-01-22 | Dual-protection burglary-proof door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320035913 CN203175324U (en) | 2013-01-22 | 2013-01-22 | Dual-protection burglary-proof door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203175324U true CN203175324U (en) | 2013-09-04 |
Family
ID=49072040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320035913 Expired - Lifetime CN203175324U (en) | 2013-01-22 | 2013-01-22 | Dual-protection burglary-proof door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203175324U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108468503A (en) * | 2018-05-30 | 2018-08-31 | 四川兴事发门窗有限责任公司 | Prized up-proof door |
-
2013
- 2013-01-22 CN CN 201320035913 patent/CN203175324U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108468503A (en) * | 2018-05-30 | 2018-08-31 | 四川兴事发门窗有限责任公司 | Prized up-proof door |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130904 |
|
| CX01 | Expiry of patent term |