CN201106328Y - Inverse hook type latch structure - Google Patents
Inverse hook type latch structure Download PDFInfo
- Publication number
- CN201106328Y CN201106328Y CNU2007201922492U CN200720192249U CN201106328Y CN 201106328 Y CN201106328 Y CN 201106328Y CN U2007201922492 U CNU2007201922492 U CN U2007201922492U CN 200720192249 U CN200720192249 U CN 200720192249U CN 201106328 Y CN201106328 Y CN 201106328Y
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- Prior art keywords
- hook
- type bolt
- door
- plate
- bolt
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- Expired - Fee Related
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Abstract
The utility model relates to a barbed latch structure, comprising a door plank (1), a slide board (2), and a drive structure that can drive the slide board (2) move transversely, and also comprises a hook shaped latch (3), one side of the front end of which is provided with a hook part (31) that extends outward, the middle part of the hook shaped latch (3) is rotatablely connected with the slide board (2) and can move transversely along with the slide board (2); the door plank (1) is also provided with an eccentric lock (4) with a lock core that is connected with a rocker (5), the rotation direction of the front end of the hook shaped latch (3) is opposite to the extending direction of the hook part (31), and a return structure, which can keep the hook shaped latch (3) in transverse and horizontal status and trend, is arranged between the hook shaped latch (3) and the slide board (2). Under the locking status, the hook part of the hook shaped latch can latch the internal wall of a latch hole, and during unlocking the rocker pushes the hook shaped latch to rotate, so the hook part of the hook shaped latch breaks away from the constraint of the internal wall of the latch hole, thus the lock is opened, which is very convenient.
Description
Technical field
The utility model relates to a kind of bolt structure, relates in particular to a kind of inverted hook type bolt structure, and 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 when locking, around self axis rotation, the special-shaped part of its head catches on doorframe door bolt hole inwall, reaches the purpose that bolt can not be deviate from from the door bolt hole easily by bolt, thereby strengthens the pick-proof of safety cabinet.But it has a common shortcoming, and bolt and revolve a fit structure is arranged between the bolt fairlead could be realized bolt around its axis rotation purpose, so the structure more complicated.
Summary of the invention
Technical problem to be solved in the utility model is at above-mentioned prior art present situation, and a kind of simple and reasonable inverted hook type bolt structure is provided.
The utility model solves the problems of the technologies described above the technical scheme that is adopted: a kind of inverted hook type bolt structure, include door-plate, be arranged on the door-plate back side and transversely movable slide plate, drive the drives structure that slide plate laterally moves, it is characterized in that: also include the hook-type bolt that front end one side has outward extending hook portion, the middle part of this hook-type bolt is rotatably connected on slide plate and can laterally moves with slide plate, also be provided with eccentric lock on the described door-plate, be connected with the rocking bar that can rotate and can drive the rotation of hook-type bolt on the lock core of eccentric lock with lock core, the rotation direction of hook-type bolt should satisfy: hook-type bolt front end rotation direction is opposite with the bearing of trend of hook portion, is provided with the resetting structure that makes the hook-type bolt remain the transverse horizontal state trend between hook-type bolt and slide plate.
Above-mentioned resetting structure is: be provided with a baffle plate on slide plate, be supported with back-moving spring between baffle plate and hook-type bolt rear end.This resetting structure has advantage simple in structure, easy to assembly, and this resetting structure also can adopt existing alternate manner certainly, as adopting at the middle part of hook-type bolt and the hinged place of slide plate one torsion spring resetting structure is set.
Above-mentioned nose is fixed with the slide bar of projection, described rocking bar middle part links to each other with the lock core of eccentric lock, be in the front end of rocking bar under the transverse horizontal state and slide bar at rocking bar and conflict and move after stoping slide plate, the rear end of described rocking bar can promote the hook-type bolt and rotate under the rocking bar rotation status.Rocking bar is not only played drive the effect that the hook-type bolt rotates, and be under the transverse horizontal state at rocking bar, rocking bar also plays the effect of locking slide plate, can save the cost of other installation lockset.
Above-mentioned slide bar two ends up and down also is connected with column door bolt head, the corresponding support that can pass guiding for column door bolt head that is fixed with at door-plate.For strengthening the theftproof of bolt structure, generally be that hook-type bolt and common column bolt are used in combination.
At least have the long slot bore of two horizontally sets on the above-mentioned slide plate, on the door-plate back side, be fixed with projection and the movable projection that is located in the long slot bore.It is the spacing structure on door-plate of a kind of slide plate, this structure is the normal structure that adopts in the existing strongbox bolt structure, this is simple and practical, certainly also can adopt and have identity function and similar other existing structure, as in the both sides that are positioned at slide plate and the door body back side at back-end location place the retaining wall that raises up is set, slide plate just can be along up and down slippage of retaining wall, and can only slippage till the retaining wall place of rear end, thereby realize fastening with a bolt plate and down the door bolt plate can vertically move along the door body back side.
Above-mentioned driving mechanism is: the shift fork that is arranged on the door-plate back side and rotates by the handle drives that is located on the door-plate, the other end and the slide plate of this shift fork are hinged.This driving mechanism also is the structure that the normal driving slide plate that adopts moves in the existing strongbox bolt structure, also can adopt the structure that drives slide plate on the existing various security doors certainly, as adopting the drives structure of rack-and-pinion.
Above-mentioned hook-type bolt and rocking bar below the door-plate back side and slide plate between, have the hole that passes for the hook-type bolt on the described slide bar, this hole size should be greater than the field amplitude that rotates for the hook-type bolt, and the middle part of hook-type bolt is rotatably connected on slide plate by rotating shaft.Be convenient to like this assemble hook-type bolt and rocking bar, and the structure of slide plate is also corresponding simple.Certainly hook-type bolt and rocking bar also can be arranged on slide plate above, only need on slide plate, to have the slotted eye of stepping down and get final product for the lock core of eccentric lock.
Compared with prior art, advantage of the present utility model is: the hook portion of hook-type bolt fastens the latch hole inwall under lock-out state, and then prevents that the lawless person from prizing the hook-type bolt from latch hole, improved theftproof performance.Only need know eccentric lock during release, rocking bar promotes the hook-type bolt and rotates, and makes the hook portion of hook-type bolt break away from the restriction of latch hole inwall, moves after driving slide plate then, just can unblank, and is easy to use.Also have the main function components of this bolt structure to have only the hook-type bolt, obviously simple in structure, the processing assembling is also convenient.
Description of drawings
Fig. 1 is the perspective view (blocking) of the utility model embodiment;
Fig. 2 removes front schematic view (blocking) behind the part door-plate for the utility model embodiment;
Fig. 3 removes front schematic view (initial state of unblanking) behind the part door-plate for the utility model embodiment;
Fig. 4 removes front schematic view (state that finishes of unblanking) behind the part door-plate for the utility model embodiment.
The specific embodiment
Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.
Shown in Fig. 1～4, be a preferred embodiment of the present utility model.
A kind of inverted hook type bolt structure, include door-plate 1, slide plate 2, hook-type bolt 3, slide bar 7, column door bolt 8, drive the drives structure that slide plate 2 laterally moves, movable doorframe one side that is hinged on strongbox of door-plate 1 one sides wherein, also have on the doorframe and can fasten 8 insertion with a bolt or latch and the latch hole of locking for hook-type bolt 3 and column, it is a routine techniques, and doorframe and latch hole do not show in drawing.
Described slide plate 2 is arranged on door-plate 1 back side and can laterally moves relative to door-plate 1, has the long slot bore 22 of two horizontally sets on the slide plate 2, is fixed with projection and the movable projection 10 that is located in the long slot bore 22 on door-plate 1 back side.It is provided with structure for existing strongbox bolt structure middle slide plate routine.
The drives structure that described driving slide plate 2 laterally moves is: be arranged on door-plate 1 back side and drive the shift fork 12 that rotates by the handle 11 that is located on the door-plate 1, the other end of this shift fork 12 is hinged by pivot pin 14 and slide plate 2.The structure that it also moves for the normal driving slide plate that adopts in the existing strongbox bolt structure.
Described slide bar 7 cross sections take the shape of the letter U, slide bar 7 is fixed on slide plate 2 front ends by the bolt and nut connected mode, the two ends of slide bar 7 respectively are fixed with column door bolt 8, correspondingly are fixed with the support 9 that can pass guiding for column door bolt 8 at door-plate 1, and support 9 also plays the effect of support drum door bolt 8.
Front end one side of described hook-type bolt 3 has outward extending hook portion 31, so these hook-type bolt 3 integral body are roughly L shaped, the middle part of hook-type bolt 3 is rotatably connected below slide plate 2 front ends by rotating shaft 13 and can laterally moves with slide plate 2, the following finger of slide plate 2 and door-plate 1 opposing end faces, be that hook-type bolt 3 is that rotate in the axle center with rotating shaft 13, have the hole 71 that passes for hook-type bolt 3 on corresponding slide bar 7 middle parts, these hole 71 sizes should be greater than the field amplitude that rotates for hook-type bolt 3.
Also be provided with eccentric lock 4 on the described door-plate 1, eccentric lock 4 is positioned at the top of hook-type bolt 3, be connected with the rocking bar 5 that can rotate with lock core on the lock core of eccentric lock 4, rocking bar 5 below door-plate 1 back side and slide plate 2 between, rocking bar 5 middle parts link to each other with the lock core of eccentric lock 4, be under the transverse horizontal state at rocking bar 5, the front end 51 of rocking bar 5 moves after stoping slide plate 7 with the conflict of slide bar 7 rear end faces, the rear end 52 of rocking bar 5 can promote hook-type bolt 3 and rotate under rocking bar 5 rotation status, the rotation direction of hook-type bolt 3 should satisfy: hook-type bolt 3 front end rotation directions are opposite with the bearing of trend of hook portion 31, be in the present embodiment and clockwise rotate, be that hook portion 31 is downward, the front end of hook-type bolt 3 then upward deflects, and is provided with the resetting structure that makes hook-type bolt 3 remain the transverse horizontal state trend between hook-type bolt 3 and slide plate 2.Resetting structure is: be provided with a baffle plate 21 on slide plate 2, be supported with back-moving spring 6 between baffle plate 21 and hook-type bolt 3 rear ends.
Certainly we also can be on increasing on the door-plate 1 door bolt mechanism 15 and following door bolt mechanism 16, antitheft to strengthen, it is a prior art, does not just launch to elaborate at this.
Laterally be meant the direction that slide plate 2 moves described in the present embodiment; The described direction that is meant that vertically latch mechanism 15 and following latch mechanism 16 move, it is parallel with door body 2 sides.
Concrete operating principle of the present utility model is as follows:
As shown in Figure 1, 2, during locking, rocking bar 5 is in the transverse horizontal state, and the front end 51 of rocking bar 5 is conflicted with slide bar 7 rear end faces, rear end 52 discord hook-type bolts, 3 contacts of rocking bar 5, slide plate 2 be obstructed can not after move, play locking action, simultaneously hook-type bolt 3 is in the approximate horizontal state, parallel with rocking bar 5, the hook portion 31 of hook-type bolt 3 just can catch on the preceding inwall of latch hole, and latch hole does not show in drawing, prevents that effectively the lawless person from prizing hook-type bolt 3 from latch hole.
As Fig. 3, shown in 4, releasing process, earlier with key actuated eccentric lock 4, lock core on the eccentric lock 4 drives rocking bar 5 and clockwise rotates, after turning to certain angle, the front end 51 of rocking bar 5 no longer withstands slide bar, the elastic force that the rear end 52 promotion hook-type bolts 3 of while rocking bar 5 overcome back-moving spring 6 clockwise rotates, the hook portion 31 of hook-type bolt 3 upward deflects, the hook portion 31 of hook-type bolt 3 is in the position that can not catch on inwall before the latch hole like this, then turning handle 11 and on shift fork 12 rotate, drive slide plate 2 and on column door bolt 8 and hook-type bolt 3 after move, the restriction that breaks away from latch hole, final release.
Claims (7)
1, a kind of inverted hook type bolt structure, include door-plate (1), be arranged on door-plate (1) back side and transversely movable slide plate (2), drive the drives structure that slide plate (2) laterally moves, it is characterized in that: also include the hook-type bolt (3) that front end one side has outward extending hook portion (31), the middle part of this hook-type bolt (3) is rotatably connected and goes up and can laterally move with slide plate (2) at slide plate (2), also be provided with eccentric lock (4) on the described door-plate (1), be connected with the rocking bar (5) that can rotate and can drive hook-type bolt (3) rotation on the lock core of eccentric lock (4) with lock core, the rotation direction of hook-type bolt (3) should satisfy: hook-type bolt (3) front end rotation direction is opposite with the bearing of trend of hook portion (31), is provided with the resetting structure that makes hook-type bolt (3) remain the transverse horizontal state trend between hook-type bolt (3) and slide plate (2).
2, inverted hook type bolt structure according to claim 1 is characterized in that described resetting structure is: be provided with a baffle plate (21) on slide plate (2), be supported with back-moving spring (6) between baffle plate (21) and hook-type bolt (3) rear end.
3, inverted hook type bolt structure according to claim 1, it is characterized in that: described slide plate (2) front end is fixed with the slide bar (7) of projection, described rocking bar (5) middle part links to each other with the lock core of eccentric lock (4), conflict at front end (51) that rocking bar (5) is in rocking bar under the transverse horizontal state (5) and slide bar (7) and to move after stoping slide plate, the rear end (52) of described rocking bar (5) can promote hook-type bolt (3) rotation under rocking bar (5) rotation status.
4, inverted hook type bolt structure according to claim 3 is characterized in that: described slide bar (7) two ends up and down also is connected with column door bolt head (8), the corresponding support (9) that can pass guiding for column door bolt head (8) that is fixed with at door-plate (1).
5, inverted hook type bolt structure according to claim 1, it is characterized in that having at least on the described slide plate (2) long slot bore (22) of two horizontally sets, on door-plate (1) back side, be fixed with projection and activity and be located in projection (10) in the long slot bore (22).
6, inverted hook type bolt structure according to claim 1, it is characterized in that described driving mechanism is: be arranged on door-plate (1) back side and drive the shift fork (12) that rotates by the handle (11) that is located on the door-plate (1), the other end of this shift fork (12) and slide plate (2) are hinged.
7, inverted hook type bolt structure according to claim 3, between it is characterized in that described hook-type bolt (3) and rocking bar (5) are positioned at below door-plate (1) back side and the slide plate (2), have the hole (71) that passes for hook-type bolt (3) on the described slide bar (7), this hole (71) size should be greater than the field amplitude that rotates for hook-type bolt (3), and the middle part of hook-type bolt (3) is rotatably connected on slide plate (2) by rotating shaft (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201922492U CN201106328Y (en) | 2007-10-26 | 2007-10-26 | Inverse hook type latch structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201922492U CN201106328Y (en) | 2007-10-26 | 2007-10-26 | Inverse hook type latch structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201106328Y true CN201106328Y (en) | 2008-08-27 |
Family
ID=39958129
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201922492U Expired - Fee Related CN201106328Y (en) | 2007-10-26 | 2007-10-26 | Inverse hook type latch structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201106328Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106050004A (en) * | 2016-07-29 | 2016-10-26 | 江苏雷利电机股份有限公司 | Door lock motor assembly |
| CN106730923A (en) * | 2016-12-05 | 2017-05-31 | 华强方特（芜湖）文化科技有限公司 | A kind of stage property door for quickly engaging with adjacent stage property |
| CN110242135A (en) * | 2019-03-13 | 2019-09-17 | 国家电网有限公司 | A kind of keeper |
-
2007
- 2007-10-26 CN CNU2007201922492U patent/CN201106328Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106050004A (en) * | 2016-07-29 | 2016-10-26 | 江苏雷利电机股份有限公司 | Door lock motor assembly |
| CN106050004B (en) * | 2016-07-29 | 2018-07-27 | 江苏雷利电机股份有限公司 | Door-lock motor component |
| CN106730923A (en) * | 2016-12-05 | 2017-05-31 | 华强方特（芜湖）文化科技有限公司 | A kind of stage property door for quickly engaging with adjacent stage property |
| CN106730923B (en) * | 2016-12-05 | 2022-07-26 | 华强方特（芜湖）文化科技有限公司 | Prop door capable of being quickly clamped with adjacent prop |
| CN110242135A (en) * | 2019-03-13 | 2019-09-17 | 国家电网有限公司 | A kind of keeper |
| CN110242135B (en) * | 2019-03-13 | 2024-02-20 | 国家电网有限公司 | Door bolt |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080827 Termination date: 20131026 |