CN101059050A - Pick-proof door bolt structure - Google Patents
Pick-proof door bolt structure Download PDFInfo
- Publication number
- CN101059050A CN101059050A CN 200710069127 CN200710069127A CN101059050A CN 101059050 A CN101059050 A CN 101059050A CN 200710069127 CN200710069127 CN 200710069127 CN 200710069127 A CN200710069127 A CN 200710069127A CN 101059050 A CN101059050 A CN 101059050A
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- bolt
- pick
- skid plate
- storage tank
- door
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Abstract
The present invention relates to a pick-proof bolt structure, it includes bolt frame (1) and bolt (2), the outer side wall of bolt frame (1) is opened with guiding hole (11) used for bolt (2) pass through transversely; and also includes at least one pick-proof plate (3), the rear end of pick-proof plate (3) is hinged with the rear part of bolt (2), the rear outer side of pick-proof plate (3) is equipped with block parts (31) which extends outwardly and out the bolt (2), the fore outer side of pick-proof plate (3) is equipped with position-fastening parts (32) which extends outwardly, the block parts (31) and the position-fastening parts (32) are installed one by one, the rear end face (321) of position-fastening parts (32) is inclined forward surface, when the bolt enters bolt hole and is locked, the block parts on the pick-proof plate contacts with the inner end face of guiding hole on the bolt frame to promote pick-proof plate overturn, so the position-fastening parts on the fore end of pick-proof plate overturns outwardly to be exposed out the bolt outer side and be fastened in the inner end face of bolt hole, thereby the doorframe is different to be picked by the lawless, the safety of the burglar-proof door using the bolt structure is improved.
Description
Technical field
The present invention relates to a kind of pick-proof door bolt structure, this bolt structure can be applicable on various strongboxs, strong-room and the home-use security door.
Background technology
Along with improving constantly of people's living standard, various security doors more and more apply among the daily life.Security door can be applicable to again on various strongboxs, various strong-room and the home-use security door, to deposit valuables, existing safety door structure is roughly as follows: mainly comprise doorframe, be articulated on the doorframe the door body and be arranged on the door and doorframe between bolt structure.Bolt structure comprise again be arranged on a back side can be relatively the horizontal bolt of slippage, and be arranged on the lock construction of the horizontal slippage of prevention bolt on the door, doorframe is provided with bolt and fastens the hole accordingly with a bolt or latch, and wherein the lock construction kind is a lot, can adopt existing various structure, during locking, in the door bolt hole on the bolt insertion doorframe, with lock construction bolt is locked again, to reach not by the purpose of others' unlatching, it is cylindric that bolt generally is, the cylindrical hole that door bolt Kong Zewei and bolt match.And there are some defectives in this security door, if lawless person's sled is not lock, but the frame of forcing open the door, owing to be without any hindering structure between bolt and the door bolt hole, like this as long as the lawless person only need pry open a side of doorframe a little, bolt on the door body just can be easy to deviate from the door bolt hole of doorframe, the shortcoming that exists door easily to be pried open.
At this present situation, people's pair of latches structure has been done a large amount of improvement.
As a patent No. is that the Chinese utility model patent " inverted hook type pick-proof bolt apparatus " of ZL96229428.4 (notification number is CN2269454Y) has disclosed the structure so a kind of, the anti-formula pick-proof bolt apparatus that colludes, it comprises a door, door lock and keeper axle, have a doorframe on the door, open a slot on the doorframe, one end of keeper axle has a rectangular blocks, this rectangular blocks can be inserted in the described slot, it is characterized in that: sliding sleeve of cover on the described keeper axle, sliding sleeve is provided with a tooth bar, this tooth bar can be meshed by the gear that handle rotates with one, have one on the sliding sleeve and be radially 90 ° oblique elongated slot, a pin matches with this elongated slot.Half-twist intersects the pane shape of keeper and the oblong aperture across of doorframe after keeper is inserted into frame hole, and keeper hooks doorframe, and keeper can not deviate from doorframe, plays the pick-proof purpose.
And for example an application number is that the Chinese utility model patent " being used for the door bolt mechanism on the strongbox " of ZL200510060496.2 (publication number is CN1730886Y) has disclosed a kind of such structure, a kind of door bolt mechanism that is used on the strongbox, include the keeper frame and revolve bolt, revolving the bolt end is a special-shaped bolt head, be fixed with on the described keeper frame and revolve the bolt fairlead, the described bolt that revolves inserts slidably and revolves in the bolt fairlead, and revolving bolt and fairlead can relatively rotate, and on fairlead, have " L " shape chute hole, on fairlead, be equipped with slidably drive socket, and on drive socket, have with " L " shape chute hole and become the inclined hole of a gradient, and have connector one end to insert inclined hole and pass " L " shape chute hole and revolve bolt and fix.
The principle that above-mentioned two patent applications utilize is similar, and promptly when locking, the special-shaped part of keeper head catches on doorframe door bolt hole inwall, and the bolt head can not be deviate from from the door bolt hole easily, thereby reaches the effect of the safety of having strengthened security door.But it has a common shortcoming, just says that structure is comparatively complicated.
Summary of the invention
Technical problem to be solved by this invention is at above-mentioned prior art present situation, and a kind of simple and reasonable and bolt structure that pick-proof is effective is provided.
The present invention solves the problems of the technologies described above the technical scheme that is adopted: a kind of pick-proof door bolt structure, comprise bolt frame and bolt, and have the pilot hole that can supply bolt laterally to pass on the lateral wall of bolt frame; It is characterized in that also comprising at least one anti-skid plate, anti-skid plate rear end is movably hinged the bolt rear portion, the outside portion has and stretches out and stretch out the outer stop part of bolt behind the anti-skid plate, the anti-preceding outside portion of skid plate has outward extending screens portion, the inner face front limit of stop part and pilot hole, screens portion can be contained in the scope of bolt transverse width, and stop part and screens portion be provided with at interval, and the rear end face of screens portion is the inclined-plane that turns forward.
Above-mentioned pilot hole and bolt profile are corresponding with size.Can guarantee the guidance quality of pilot hole pair of latches like this, and can also guarantee that screens portion is positioned at pilot hole under bolt unlocks state, make the screens portion that prevents skid plate be positioned at the transverse width of bolt fully.
General bolt will prevent directly that based on cylindric skid plate is hinged on cylindric bolt sidepiece, because the face of shelving of anti-skid plate is an arc surface, therefore anti-skid plate can not very stablely be shelved on the bolt.If vertically a mounting plane is arranged on the above-mentioned bolt, described anti-skid plate is shelved on this mounting plane, and the rear end of anti-skid plate is movably articulated in the rear portion of mounting plane by pivot pin.Can make the anti-relative bolt stable action of skid plate.Bolt top can be set certain above-mentioned mounting plane or the bottom cuts out.
Above-mentioned anti-skid plate is to have two for good, and it is arranged side by side on mounting plane.During locking, two screens portions of anti-skid plate can be fastened in the latch hole simultaneously, can further strengthen the pick-proof of bolt so two anti-skid plates are set, and are arranged side by side the uniformity of being convenient to guarantee anti-skid plate action.
The center of above-mentioned bolt sidepiece has the storage tank that axially is provided with along bolt, and described anti-skid plate is arranged in the storage tank, enters storage tank after having pivot pin to pass from bolt top to be hinged in the storage tank will prevent the skid plate rear end.Can make anti-skid plate be concealed in bolt inside like this, can prevent skid plate receipts external influence; Because anti-skid plate is positioned at bolt inside, can guarantee the integrality of original bolt, thereby guarantee that the original intensity of bolt is constant.
Above-mentioned anti-skid plate has two, and described storage tank laterally runs through, and these two anti-skid plates are arranged side by side on mounting plane.During locking, two screens portions of anti-skid plate can be fastened in the latch hole simultaneously, so the pick-proof that two anti-skid plates can further strengthen bolt is set.
Compared with prior art, the invention has the advantages that: it has increased anti-skid plate on the basis of existing common bolt, when needing locking, anti-skid plate moves forward together in company with bolt, when bolt enters into door bolt hole internal lock regularly, prevent stop part and the touching of the pilot hole inner face on the bolt frame on the skid plate this moment, impel anti-skid plate upset, the screens portion of pick-proof front edge of board is outwards overturn to expose the bolt outside and to be fastened in the inner face in door bolt hole, be fastened on the inner face in door bolt hole owing to prevent the screens portion on the skid plate this moment, and the bolt rear end is locked by lockset, so the lawless person is difficult for prizing doorframe, has increased the safety of the security door that uses this bolt structure.
Description of drawings
Fig. 1 is the structure sectional view (door opening state) of the embodiment of the invention;
Fig. 2 is the structure sectional view (lock-out state of closing the door) of the embodiment of the invention;
Fig. 3 is the structural representation of bolt frame in the embodiment of the invention;
Fig. 4 is the structural representation of bolt in the embodiment of the invention;
Fig. 5 is principle schematic (lock-out state of closing the door) in the embodiment of the invention;
Fig. 6 is that the A-A of Fig. 5 is to sectional view;
Fig. 7 cuts lateral view behind the mounting plane for bolt top among the present invention;
Fig. 8 cuts lateral view behind the mounting plane for bolt top among the present invention.
The specific embodiment
Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.
As described in Fig. 1～4, be first embodiment of the present invention, a kind of pick-proof door bolt structure comprises bolt frame 1, bolt 2 and two anti-skid plates 3, and bolt 2 is cylindric, cylindric for comparing conventional shape, but also other shape certainly as rectangular-shaped or the like, has the pilot hole 11 that can laterally pass for bolt 2 on the lateral wall of bolt frame 1, the size of pilot hole 11 is corresponding with bolt 2 sizes, just can pass to good for bolt 2;
The center of bolt 2 sidepieces has the storage tank 21 that axially is provided with along bolt 2, storage tank 21 laterally runs through, described two anti-skid plates 3 are contained in the storage tank 21 side by side, certainly its arrangement mode in storage tank 21 can design as required, the relevant position has the pin-and-hole 22 that runs through on the bolt 2, enter into the pin-and-hole 22 of bolt 2 bottoms after having pivot pin 4 to pass from the rear end of bolt 2 top pin-and-holes 22, anti-skid plate 3 successively, be hinged in the storage tank 21 will prevent skid plate 3 rear ends.
Outside portion, every anti-skid plate 3 back has extending radially outwardly and stretches out the outer stop part 31 of bolt, the inner face front limit of stop part 31 and pilot hole 11, be that bolt reach back stop part 31 can be touched with the inner face of pilot hole 11, anti-skid plate 3 preceding outside portions have the screens portion 32 that extends radially outwardly, stop part 31 and screens portion 32 are provided with at interval, so this anti-skid plate 3 is U-shaped roughly, the inclined-plane of rear end face 321 for turning forward of screens portion 32, unlocking, be under the state of original state, have between screens portion 32 and the pilot hole 11 at interval, stop part 31 exposes the bolt outside all the time, screens portion 32 just in time is positioned at storage tank 21, and promptly the distance between two screens portions 32 is less than the transverse width of bolt 2, and screens this moment portion 32 just in time is positioned at pilot hole 11; Under the state of and locking overhanging at bolt 2, the inner face of pilot hole 11 just and stop part 31 touchings so that the screens portion 32 of anti-skid plate 3 front ends outwards overturns to expose bolt 2 outsides.
Shown in Fig. 5,6, be the operating principle schematic diagram of the embodiment of the invention:
During use bolt frame 1 is fixed on the door-plate, storage tank 21 on the bolt 2 is vertical with door-plate, so also door-plate is vertical relatively for anti-skid plate 3, to guarantee that anti-skid plate is a horizontal balance, wherein door-plate does not show in the drawings, doorframe 5 is provided with the door bolt hole 51 of energy and bolt 2 lock fit, interval between stop part 31 and the screens portion 32 generally will equal or be slightly larger than the spacing between pilot hole 11 inner faces and the door bolt hole 51, bolt 2 also is arranged on the door-plate back side and can laterally moves relative to door-plate, and also has other attached structure, as driving the grip structure that bolt laterally moves, can be with the latch-up structure of bolt locking, these are common practise, do not do careful elaboration at this, also do not show among the figure.
In the time will locking, swing handle, bolt 2 passes pilot hole 11, this moment, anti-skid plate 3 was positioned at bolt 2, when bolt 2 enters into door bolt hole 51 internal locks regularly, prevent stop part 31 and the touching of pilot hole 11 inner faces on the bolt frame 1 on the skid plate 3 this moment, impel anti-skid plate 3 upsets, the screens portion 32 of anti-skid plate 3 front ends is outwards overturn to expose bolt 2 outsides and to be fastened on the inner face of fastening hole 51 with a bolt or latch, simultaneously, bolt 2 rear ends are locked by lockset again, the deflection that anti-skid plate 3 can not phase pair of latches 2, therefore the lawless person is difficult for prizing doorframe, has increased the safety of the security door that uses this bolt structure.
During normal door, because lock construction is removed the locking of pair of latches, so swing handle, bolt retreats, stop part 31 do not have and bolt frame 1 on pilot hole 11 inner faces conflict, the sidewall in door bolt hole 51 applies a downward power for simultaneously relatively the inner end 321 of screens portion 32 on two anti-skid plates 3, makes the anti-skid plate 3 can the 2 reverse deflections of phase pair of latches, and screens portion 32 is gradually in the indentation storage tank 21; When bolt 2 further retreats, the outer face of pilot hole 11 is touched the inner end 321 of the screens portion 32 on two anti-skid plates 3 again simultaneously, continue to give screens portion 32 to apply downward power, anti-skid plate 3 is contained in the storage tank 21 fully, and screens this moment portion 32 just in time is positioned at pilot hole 11, returns to reset condition.
Certainly the protection domain of this patent application originally is not limited to the foregoing description; as long as by the hinged anti-skid plate that is arranged on the bolt; articulated section upset relatively; so that the screens portion on the anti-skid plate exposes outside bolt; the blocking that realizes and fasten with a bolt or latch the hole cooperates, and the bolt structure that improves the pick-proof performance is protection scope of the present invention.
Not necessarily be installed in the storage tank as anti-skid plate 3, we also can be on the top of bolt 2 or the bottom cut a mounting plane 23 and come out, be hingedly mounted on this mounting plane 23, shown in Fig. 7,8 will prevent skid plate 3 usefulness pivot pins.
Also as on anti-skid plate the elastic construction that it is resetted is set, as between pivot pin and anti-skid plate, the torsion spring structure being set, make anti-skid plate have the trend that enters in the storage tank that returns to all the time, certainly in storage tank, have one to prevent the fixture block of its undue whereabouts possibly, like this, but anti-skid plate just the phase pair of latches vertically be provided with.
Claims (6)
1, a kind of pick-proof door bolt structure comprises bolt frame (1) and bolt (2), has the pilot hole (11) that can supply bolt (2) laterally to pass on the lateral wall of bolt frame (1); It is characterized in that also comprising at least one anti-skid plate (3), anti-skid plate (3) rear end is movably hinged bolt (2) rear portion, outside portion, anti-skid plate (3) back has and stretches out and stretch out the outer stop part (31) of bolt (2), the anti-preceding outside portion of skid plate (3) has outward extending screens portion (32), the inner face front limit of stop part (31) and pilot hole (11), and stop part (31) and screens portion (32) are provided with at interval, the inclined-plane of the rear end face (321) of screens portion (32) for turning forward.
2, pick-proof door bolt structure according to claim 1 is characterized in that described pilot hole (11) and bolt (2) profile are corresponding with size.
3, pick-proof door bolt structure according to claim 1 and 2, it is characterized in that having on the described bolt (2) vertically a mounting plane, described anti-skid plate (3) is shelved on this mounting plane (23), and the rear end of anti-skid plate (3) is movably articulated in the rear portion of mounting plane (23) by pivot pin (4).
4, pick-proof door bolt structure according to claim 3 is characterized in that described anti-skid plate (3) has two, and it is arranged side by side on mounting plane (23).
5, pick-proof door bolt structure according to claim 1 and 2, the center that it is characterized in that described bolt (2) sidepiece has the storage tank (21) that axially is provided with along bolt (2), described anti-skid plate (3) is arranged in the storage tank (21), enters storage tank (21) after having pivot pin (4) to pass from bolt (2) top to be hinged in the storage tank (21) will prevent skid plate (3) rear end.
6, pick-proof door bolt structure according to claim 5 is characterized in that described anti-skid plate (3) has two, and described storage tank (21) laterally runs through, and these two anti-skid plates (3) are arranged side by side in storage tank (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710069127 CN101059050A (en) | 2007-05-30 | 2007-05-30 | Pick-proof door bolt structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710069127 CN101059050A (en) | 2007-05-30 | 2007-05-30 | Pick-proof door bolt structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101059050A true CN101059050A (en) | 2007-10-24 |
Family
ID=38865332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200710069127 Pending CN101059050A (en) | 2007-05-30 | 2007-05-30 | Pick-proof door bolt structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101059050A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102108819A (en) * | 2011-01-24 | 2011-06-29 | 王勇军 | Anti-pry bolt and bolt inserting structure having same |
| CN101250961B (en) * | 2008-03-28 | 2011-08-17 | 宁波永发电子设备有限公司 | Composite locking mechanism |
| CN104060900A (en) * | 2013-03-20 | 2014-09-24 | 通用汽车环球科技运作有限责任公司 | Motor Vehicle Cover Locking Arrangment |
| CN110145183A (en) * | 2019-06-18 | 2019-08-20 | 河北虎牌集团奥笛柜业有限公司 | Door latch structure with expanding lock tongue |
| CN114439320A (en) * | 2020-11-04 | 2022-05-06 | 索斯科锁定技术（深圳）有限公司 | Latch and latch assembly |
-
2007
- 2007-05-30 CN CN 200710069127 patent/CN101059050A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101250961B (en) * | 2008-03-28 | 2011-08-17 | 宁波永发电子设备有限公司 | Composite locking mechanism |
| CN102108819A (en) * | 2011-01-24 | 2011-06-29 | 王勇军 | Anti-pry bolt and bolt inserting structure having same |
| CN102108819B (en) * | 2011-01-24 | 2013-09-04 | 王勇军 | Bolt inserting structure of anti-pry bolt |
| CN104060900A (en) * | 2013-03-20 | 2014-09-24 | 通用汽车环球科技运作有限责任公司 | Motor Vehicle Cover Locking Arrangment |
| CN110145183A (en) * | 2019-06-18 | 2019-08-20 | 河北虎牌集团奥笛柜业有限公司 | Door latch structure with expanding lock tongue |
| CN110145183B (en) * | 2019-06-18 | 2024-01-16 | 河北虎牌集团奥笛柜业有限公司 | Door lock structure with expansion type lock tongue |
| CN114439320A (en) * | 2020-11-04 | 2022-05-06 | 索斯科锁定技术（深圳）有限公司 | Latch and latch assembly |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20071024 |