CN102108819B - Bolt inserting structure of anti-pry bolt - Google Patents
Bolt inserting structure of anti-pry bolt Download PDFInfo
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- CN102108819B CN102108819B CN 201110032895 CN201110032895A CN102108819B CN 102108819 B CN102108819 B CN 102108819B CN 201110032895 CN201110032895 CN 201110032895 CN 201110032895 A CN201110032895 A CN 201110032895A CN 102108819 B CN102108819 B CN 102108819B
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Abstract
The invention relates to an anti-pry bolt, which comprises a bolt head and a bolt hole for the bolt head to be inserted into, and is characterized in that: the front end of the bolt head has a head part of which the transverse size is greater than that of the bolt head; the bolt hole consists of a big hole part and a small hole part; the small hole part is positioned on the lower part of the big hole part and is communicated with the big hole part; the transverse aperture of the big hole part is greater than the maximum transverse size of the head part of the bolt head; the transverse aperture of the small hole part is smaller than the maximum transverse size of the head part and grater than the transverse size of the bolt head; and thus, the head part of the bolt head can pass through the big hole part but cannot pass through the small hole part, while the bolt head can pass through the small hole part. Due to the blocking action of the small hole part on the bolt head, the anti-pry performance of the bolt inserting structure is reinforced; and as only transverse and longitudinal movement instead of rotation is performed in the whole action process of the bolt head, the whole bolt inserting structure does not need an extract guide sleeve structure, and the structure is simplified while the anti-pry performance is improved. The invention also relates to the bolt inserting structure of the bolt.
Description
Technical field
The present invention relates to a kind of pick-proof door bolt and have the latch locking structure of this bolt.
Background technology
Existing its structure of safe door mainly comprises doorframe, be articulated in the door body on the doorframe and be arranged on bolt structure between a body and the doorframe, bolt structure comprises the bolt that is arranged on a jam plate at the body back side and links with jam plate, and then the respective side bolt offers the door bolt hole on doorframe.And bolt its be cylindric, the cylindrical hole that door bolt Kong Zewei and bolt match.There are some defectives in this safe 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, as long as the lawless person only need pry open a side of doorframe a little, the bolt on the door body just can be easy to deviate from the door bolt hole of doorframe, thereby opens the safe door like this, the lawless person is taken advantage of a weak point, so the safety of this safe door is not enough.At this present situation, people's pair of latches structure has been done a large amount of improvement.
Be a kind of anti-formula pick-proof bolt apparatus that colludes so the Chinese utility model patent " inverted hook type pick-proof bolt apparatus " of ZL96229428.4 (notification number is CN2269454Y) has disclosed as a patent No., 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 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 invention patent " be used for strongbox on door bolt mechanism " of ZL200510060496.2 (publication number is CN1730886Y) discloses a kind of like this for the door bolt mechanism on the strongbox, include the keeper frame and revolve bolt, revolving the bolt end is a special-shaped bolt head, on the described keeper frame bolt of revolving fairlead is arranged fixedly, the described bolt that revolves inserts slidably and revolves in the bolt fairlead, and revolving bolt and fairlead can relatively rotate, and have " L " shape chute hole at fairlead, be equipped with slidably drive socket at fairlead, and have with " L " shape chute hole at drive socket and to 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, bolt and revolve a fit structure is arranged between the bolt fairlead, could realize that bolt is around its axis rotation purpose, so structure more complicated, and bolt in the course of the work must rotation, and door bolt head and nose be for being rotatably connected, and general meeting can be cut out cannelure one fastening a front end with a bolt or latch, can reduce the intensity of door bolt head and slide plate junction like this, namely fastening a pick-proof performance with a bolt or latch can descend to some extent.
Summary of the invention
First technical problem to be solved by this invention is to provide a kind of simple and reasonable pick-proof door bolt structure at above-mentioned prior art present situation, and this bolt structure has the good advantage of pick-proof performance equally.
The present invention solves the technical scheme that first technical problem adopts: a kind of pick-proof door bolt, include the door bolt head and supply the door bolt hole of this door bolt inserting, it is characterized in that: the front end of described door bolt head has head, the lateral dimension of this head is greater than the lateral dimension of door bolt head, described door bolt hole is made up of macropore portion and aperture portion, aperture portion is positioned at the bottom of macropore portion and is communicated with macropore portion, and the horizontal aperture of macropore portion is greater than the maximum transverse size of the head of door bolt head, the horizontal aperture of aperture portion then less than the maximum transverse size of described head greater than the lateral dimension of door bolt head, namely the head of door bolt head can pass from macropore portion but can not pass from aperture portion, and the door bolt head then can pass from aperture portion.
Compared with prior art, the advantage of this bolt structure is: when this bolt is worked, allow a door bolt level by fastening the macropore portion in hole with a bolt or latch earlier, the head of door bolt head passes macropore portion, then allow the door bolt head erect move down again, be positioned at the aperture portion in door bolt hole until the door bolt head, the head of this moment door bolt head is positioned at the back of aperture portion, at this moment as the door bolt head move horizontally because the head of door bolt head can not pass through aperture portion, the transverse barriers effect is played to the door bolt head in the door bolt hole, strengthened the pick-proof performance of this bolt structure, this bolt structure does not have complicated spinning movement process, and only the structure in door bolt head and door bolt hole is transformed a little, need not extra fairlead parts, so structure advantages of simple more.
The side face of an above-mentioned door bolt front end has the protruding annular shoulder block of side, and this annular shoulder block forms described head with the front end of door bolt head.Because the side face of a door bolt front end all forms annular stop part, so no matter fasten head with a bolt or latch in 306 degree angular ranges, all can form barrier structure with the door bolt hole, be convenient to install.Certainly also can be only a side of a door bolt side face or relatively both sides the side protuberance is set, this side protuberance forms head with the front end of door bolt head, can meet the demands as long as allow during installation the side protuberance can not level pass aperture portion.For ease of the door bolt head is installed, have threaded connection hole on the rear end face of above-mentioned door bolt head.
Second technical problem to be solved by this invention is to improve a kind of simple and reasonable, easy to assembly, latch locking structure that the pick-proof performance is good.
The present invention solves the technical scheme that second technical problem adopt: a kind of latch locking structure with aforementioned pick-proof door bolt, the door-plate that includes doorframe and match with this doorframe, described door bolt hole is arranged on the side in the doorframe, it is characterized in that: the described door-plate back side also is provided with the door bolt plate of the horizontal and vertical slippage of door-plate relatively, described door bolt head is fixed on the front end of this door bolt plate, the back side of door-plate also is provided with the drives structure of the horizontal and vertical slippage of the relative door-plate of drive bolt plate, under the horizontal slip state of door bolt plate, described door bolt head aligns with described macropore portion, and under the state of door bolt plate straight skidding, described door bolt head passes macropore portion, and the head of door bolt head is positioned at the opposite side in door bolt hole.
Above-mentioned drives structure comprises slide plate and shift fork, described slide plate constrains in the door-plate back side and door-plate straight skidding relatively only, described door bolt plate then constrains on the slide plate, the door bolt plate is the horizontal slippage of slide plate but also can be with the relative door-plate straight skidding of slide plate relatively not only, have the guiding slotted eye on the described slide plate, have L shaped slotted eye on the described door bolt plate, this guiding slotted eye is made up of straight trough hole and the arc-shaped slot of horizontally set, the rear end in described straight trough hole is communicated with the front end of arc-shaped slot, described L shaped slotted eye by horizontal slotted hole portion and vertically slotted eye portion forms the rear end of described horizontal slotted hole portion and the lower end bright wisp of vertical slotted eye portion; Described shift fork is arranged on the door-plate back side and drives rotation by handle or mechanical lock structure, and the promotion post on the shift fork passes L shaped slotted eye successively and the guiding slotted eye also can slippage.This drives structure cooperates by the L shaped slotted eye on the promotion post on the shift fork and door bolt plate and the slide plate and guiding slotted eye, make the rotation drive of shift fork fasten head with a bolt or latch with the horizontal process of lengthwise movement again of the relative door-plate of door bolt plate elder generation, so it is simple in structure that this drives structure relates to parts itself, and it is few to relate to parts, is a kind of simple and reasonable drives structure.Certainly also can two cover drives structure be set at door-plate, it is laterally mobile that one of them only drives the door bolt plate, and another drives structure drive door bolt plate vertically moves.
The side of above-mentioned door bolt plate has the assembly wall that extends towards the door-plate direction, and the side of described slide plate has the wall that extends towards the door-plate direction, and the rear end of described door bolt head is fixed on the described assembly wall after passing wall, and this door bolt head can the horizontal slippage of described relatively wall.Wall on the slide plate guarantees that to fastening an effect of playing laterally steering with a bolt or latch the door bolt plate only laterally moves relative to slide plate like this.
The rear end face of above-mentioned door bolt head contacts with described assembly wall, has a screw to pass behind the assembly wall with threaded connection hole on the door bolt rear end face and is connected.This door bolt fixed form is simple, easy for installation.
The bottom surface of the horizontal slotted hole portion of above-mentioned L shaped slotted eye is positioned on the same transverse horizontal face with the bottom surface in the straight trough hole of guiding slotted eye.Promotion post on the shift fork can drive door bolt plate and slide plate relative door-plate straight skidding together simultaneously like this, if the bottom surface in the straight trough hole of the bottom surface of horizontal slotted hole portion and guiding slotted eye is not on same transverse horizontal face certainly, also can realize purpose, just have only by the door bolt plate and drive the slide plate straight skidding, or slide plate drive door bolt plate vertically moves down the big defective of resistance that exists shift fork to rotate.
One side of above-mentioned doorframe fixedly has the installing plate that takes the shape of the letter U, and described door bolt hole arranges on the end face of this installing plate.Like this can be earlier stamp out the door bolt hole at installing plate, a side that again installing plate is fixed to doorframe get final product, installs more conveniently, and installing plate is designed to U-shaped, the firm degree that the enhancing installing plate is connected with doorframe one side.Certainly installing plate also can L-shaped or tabular.
Compared with prior art, the invention has the advantages that: the door bolt head in this latch locking structure can be with fastening the relative door-plate of plate with a bolt or latch laterally or vertically moving, during locking, allow the door bolt head laterally move relative to door-plate with the door bolt plate earlier, pass the macropore portion in door bolt hole until the head of door bolt head, then, allow the door bolt head vertically move with the relative door-plate of door bolt plate again, in door bolt is located in the aperture portion in door bolt hole, the head of door bolt head is positioned at the another side of aperture portion simultaneously, at this moment as door bolt head move horizontally because the head of door bolt head can not pass through aperture portion, the transverse barriers effect is played to door bolt by the aperture portion in door bolt hole, strengthened the pick-proof performance of this latch locking structure, and fasten a whole course of action with a bolt or latch and have only horizontal and vertical movement, there is not spinning movement, so whole latch locking structure need not extra fairlead structure, when improving the pick-proof performance, simplify the structure, have between door bolt head and the door bolt plate for fixedlying connected, so door bolt head and fasten bonding strength height between the plate with a bolt or latch, relative prior art pick-proof performance is better again.
Description of drawings
Fig. 1 is the perspective view of bolt embodiment of the present invention;
Fig. 2 is the positive perspective view of latch locking structure embodiment of the present invention;
Fig. 3 is the back side perspective view (released state) of latch locking structure embodiment of the present invention;
Fig. 4 removes the back side perspective view (released state) of doorframe and door-plate for latch locking structure embodiment of the present invention;
Fig. 5 removes the positive perspective view (released state) of doorframe and door-plate for latch locking structure embodiment of the present invention;
Fig. 6 removes the back side perspective view (intermediateness of locking process) of doorframe and door-plate for latch locking structure embodiment of the present invention;
Fig. 7 removes the positive perspective view (intermediateness of locking process) of doorframe and door-plate for latch locking structure embodiment of the present invention;
Fig. 8 removes the back side perspective view (lock-out state) of doorframe and door-plate for latch locking structure embodiment of the present invention;
Fig. 9 removes the positive perspective view (lock-out state) of doorframe and door-plate for latch locking structure embodiment of the present invention;
Figure 10 is the perspective view of door bolt plate among the latch locking structure embodiment of the present invention;
Figure 11 is the perspective view of latch locking structure embodiment middle slide plate of the present invention.
The specific embodiment
Describe in further detail below in conjunction with the present invention of accompanying drawing embodiment.
As shown in Figure 1, be a preferred embodiment of pick-proof door bolt of the present invention.
A kind of pick-proof door bolt includes door bolt 1 and for the door bolt hole 2 of this door bolt 1 inserting, the door bolt head of present embodiment is cylindric, and door bolt also can be the column of other profile certainly.
The front end of door bolt 1 has head 11, and the lateral dimension of this head 11 is greater than the lateral dimension of door bolt 1, and door bolt 1 is integrated punching spare with head, and the side face of door bolt 1 front end has the protruding annular shoulder block 12 of side, and annular shoulder block 12 forms head 11 with the front end of door bolt 1.Certainly also can be only a side of a door bolt side face or relatively both sides the side protuberance is set, this side protuberance forms head with the front end of door bolt head, can meet the demands as long as allow during installation the side protuberance can not level pass aperture portion.
For ease of door bolt 1 is installed, we have threaded connection hole 13 at the rear end face of door bolt 1.
When this bolt is worked, allow door bolt 1 level by fastening the macropore portion 21 in hole 2 with a bolt or latch earlier, the head 11 of door bolt 1 passes macropore portion 21, then allow door bolt 1 vertically move down again, be positioned at the aperture portion 22 in door bolt hole 2 until door bolt 1, the head 11 of this moment door bolt 1 is positioned at the back of aperture portion 22, at this moment as door bolt 1 move horizontally, because the head 11 of door bolt head can not pass through aperture portion 22,22 pairs in the aperture portion in door bolt hole 2 fastens 1 with a bolt or latch and plays the transverse barriers effect, has strengthened the pick-proof performance of this bolt structure, this bolt structure does not have complicated spinning movement process, only the structure in door bolt 1 and door bolt hole 2 is transformed a little, be need not extra fairlead parts, so structure advantages of simple more.
Shown in Fig. 2～11, be a preferred embodiment with aforementioned pick-proof door bolt of the present invention.
A kind of latch locking structure, the door-plate 4 that includes doorframe 3 and match with this doorframe, door bolt hole 2 is arranged on the side in the doorframe 3, and a side of doorframe 3 fixedly has the installing plate 10 that takes the shape of the letter U, door bolt hole 2 arranges on the end face of this installing plate 10, and it is the conventional design mode in doorframe 3 in the existing strongbox and door bolt hole 2.
Door-plate 4 back sides also are provided with the door bolt plate 5 of door-plate 4 horizontal and vertical slippages relatively, door bolt 1 is fixed on the front end of this door bolt plate 5, the back side of door-plate 4 also is provided with the drives structure of drive bolt plate 5 relative door-plate 4 horizontal and vertical slippages, under door bolt plate 5 horizontal slip state, door bolt 1 aligns with macropore portion 21, and under the state of door bolt plate 5 straight skiddings, door bolt 1 passes macropore portion 21, and the head 11 of door bolt head is positioned at the opposite side in door bolt hole 2.
Drives structure comprises slide plate 6 and shift fork 7, slide plate 6 constrains in door-plate 4 back sides and door-plate 4 straight skiddings relatively only, namely fix two multidiameters 41 at the back side of door-plate 4, have the two vertical chutes 64 that vertically arrange on the slide plate 6, respective steps axle 41 passes vertical chute 64 and the relative straight skidding of energy, another side at vertical chute 64 is spacing with screw 42 and pad 43, and 6 on slide plate is shelved on the end difference of multidiameter 41.
Have guiding slotted eye 61 on the slide plate 6, have L shaped slotted eye 51 on the door bolt plate 5, guiding slotted eye 61 is made up of straight trough hole 611 and the arc-shaped slot 612 of horizontally set, the rear end in straight trough hole 611 is communicated with the front end of arc-shaped slot 612, L shaped slotted eye 51 is made up of horizontal slotted hole portion 511 and vertical slotted eye portion 512, the rear end of horizontal slotted hole portion 511 is communicated with the lower end of vertical slotted eye portion 512, and the bottom surface of the horizontal slotted hole portion 511 of L shaped slotted eye 51 is positioned on the same transverse horizontal face with the bottom surface in the straight trough hole 611 of guiding slotted eye 61.
The side of door bolt plate 5 has the assembly wall 52 that extends towards door-plate 4 directions, the side of slide plate 6 has the wall 63 that extends towards door-plate 4 directions, the rear end face that wall 63 back door bolts 1 are passed in the rear end of door bolt 1 contacts with assembly wall 52, having a screw 9 to pass assembly wall 52 threaded connection holes 13 back and on door bolt 1 rear end face is connected, 63 pairs of door bolt heads of wall have horizontal position-limiting action like this, can better guarantee the slide plate horizontal cross slippage relatively of door bolt head.
Operating principle and the process of this latch locking structure are as follows:
Locking process: the macropore portion 21 that the horizontal axis of this moment door bolt 1 is aimed at door bolt hole 2, promotion post 71 on the shift fork is positioned at the vertical slotted eye portion 512 of L shaped slotted eye 51 and the arc-shaped slot 612 of guiding slotted eye 61, turning handle 8 drives shift fork 7 and rotates counterclockwise, promote post 71 and 512 conflicts of vertical slotted eye portion and promote door bolt plate 5 relative slide plates 6 laterally to move forward, promote post 71 simultaneously along arc-shaped slot 612 and vertically slotted eye portion 512 slippages, door bolt 1 is also with 5 reaches of door bolt plate, head 11 until the door bolt head passes the macropore portion 21 that fastens hole 2 with a bolt or latch, at this moment promotes post 71 and the bottom surface of the horizontal slotted hole portion 511 of L shaped slotted eye and the bottom surface in the straight trough hole 611 of guiding slotted eye; Be rotated further shift fork 7, promoting post 71 meeting promotion door bolt plates 5 and slide plate 6 vertically moves down together, promote post 71 along straight trough hole 611 and the 511 horizontal slippages of horizontal slotted hole portion, door bolt 1 also moves down with door bolt plate 5 simultaneously, be positioned at the aperture portion 22 in door bolt hole 2 until door bolt 1, this moment, door bolt 1 head position 11 was in the back of aperture portion 22.If the lawless person prizes door bolt 1 by force toward moving horizontally, because the head 11 of door bolt head can not pass through aperture portion 22,2 pairs in door bolt hole is fastened 1 with a bolt or latch and is played the transverse barriers effect, has strengthened the pick-proof performance of this latch locking structure.
Otherwise releasing process.
Claims (8)
1. latch locking structure with pick-proof door bolt, include door bolt head (1) and supply the door bolt hole (2) of this door bolt head (1) inserting, doorframe (3) and the door-plate (4) that matches with this doorframe, described door bolt hole (2) is arranged on the side in the doorframe (3), it is characterized in that: the front end of described door bolt head (1) has head (11), the lateral dimension of this head (11) is greater than the lateral dimension of door bolt head (1), described door bolt hole (2) is made up of macropore portion (21) and aperture portion (22), aperture portion (22) is positioned at the bottom of macropore portion (21) and is communicated with macropore portion (21), and the horizontal aperture (D) of macropore portion (21) is greater than the maximum transverse size (X) of the head (11) of door bolt head, the horizontal aperture (d) of aperture portion (22) then less than the maximum transverse size (X) of described head (11) greater than the lateral dimension (x) of door bolt head (1), namely the head (11) of door bolt head can pass from macropore portion (21) but can not pass from aperture portion (22), and door bolt head (1) then can pass from aperture portion (22); Described door-plate (4) back side also is provided with the door bolt plate (5) of the horizontal and vertical slippage of door-plate (4) relatively, described door bolt head (1) is fixed on the front end of described door bolt plate (5), the back side of door-plate (4) also is provided with drive bolt plate (5) drives structure of the horizontal and vertical slippage of door-plate (4) relatively, under the horizontal slip state of door bolt plate (5), described door bolt head (1) aligns with described macropore portion (21), and under the state of door bolt plate (5) straight skidding, described door bolt head (1) passes macropore portion (21), and the head (11) of door bolt head is positioned at the opposite side in door bolt hole (2).
2. latch locking structure according to claim 1 is characterized in that: the side face of described door bolt head (1) front end has the protruding annular shoulder block (12) of side, and this annular shoulder block (12) forms described head (11) with the front end of door bolt (1).
3. latch locking structure according to claim 1 is characterized in that: have threaded connection hole (13) on the rear end face of described door bolt head (1).
4. latch locking structure according to claim 1, it is characterized in that: described drives structure comprises slide plate (6) and shift fork (7), described slide plate (6) constrains in door-plate (4) back side and door-plate (4) straight skidding relatively only, described door bolt plate (5) then constrains on the slide plate (6), door bolt plate (5) is laterally slippage but also can be with relative door-plate (4) straight skidding of slide plate (6) of slide plate (6) relatively not only, have guiding slotted eye (61) on the described slide plate (6), have L shaped slotted eye (51) on the described door bolt plate (5), described guiding slotted eye (61) is made up of straight trough hole (611) and the arc-shaped slot (612) of horizontally set, the rear end in described straight trough hole (611) is communicated with the front end of arc-shaped slot (612), described L shaped slotted eye (51) is made up of horizontal slotted hole portion (511) and vertical slotted eye portion (512), and the rear end of described horizontal slotted hole portion (511) is communicated with the lower end of vertical slotted eye portion (512); Described shift fork (7) is arranged on door-plate (4) back side and drives rotation by handle or mechanical lock structure (8), and the promotion post (71) on the shift fork (7) passes L shaped slotted eye (51) and guiding slotted eye (61) and energy slippage successively.
5. latch locking structure according to claim 4, it is characterized in that: the side of described door bolt plate (5) has the assembly wall (52) that extends towards door-plate (4) direction, the side of described slide plate (6) has the wall (63) that extends towards door-plate (4) direction, be fixed on the described assembly wall (52) after wall (63) is passed in the rear end of described door bolt head (1), this door bolt head (1) can laterally slippage of described relatively wall (63).
6. latch locking structure according to claim 5 is characterized in that: the rear end face of described door bolt head (1) contact with described assembly wall (52), has a screw (9) to pass assembly wall (52) back and the threaded connection hole (13) of fastening with a bolt or latch on (1) rear end face is connected.
7. latch locking structure according to claim 4 is characterized in that: the bottom surface of the horizontal slotted hole portion (511) of described L shaped slotted eye (51) is positioned on the same transverse horizontal face with the bottom surface in the straight trough hole (611) of guiding slotted eye (61).
8. latch locking structure according to claim 4, it is characterized in that: a side of described doorframe (3) fixedly has the installing plate (10) that takes the shape of the letter U, and described door bolt hole (2) arranges on the end face of this installing plate (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110032895 CN102108819B (en) | 2011-01-24 | 2011-01-24 | Bolt inserting structure of anti-pry bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110032895 CN102108819B (en) | 2011-01-24 | 2011-01-24 | Bolt inserting structure of anti-pry bolt |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102108819A CN102108819A (en) | 2011-06-29 |
| CN102108819B true CN102108819B (en) | 2013-09-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110032895 Active CN102108819B (en) | 2011-01-24 | 2011-01-24 | Bolt inserting structure of anti-pry bolt |
Country Status (1)
| Country | Link |
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| CN (1) | CN102108819B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102518628A (en) * | 2011-12-23 | 2012-06-27 | 广东顶固集创家居股份有限公司 | Connector for cabinet and laminate |
| CN109114186A (en) * | 2018-10-19 | 2019-01-01 | 山西北方机械制造有限责任公司 | It is a kind of can Fast Installation and the screw-type steering wheel freed |
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| CN2269454Y (en) * | 1996-03-11 | 1997-12-03 | 俞鑫炎 | Reverse hooked anti-pry door bolt device |
| CN1730886A (en) * | 2005-08-26 | 2006-02-08 | 曹君 | Door bolt mechanism for strongbox |
| CN101059050A (en) * | 2007-05-30 | 2007-10-24 | 宁波永发集团有限公司 | Pick-proof door bolt structure |
| CN201087631Y (en) * | 2007-08-10 | 2008-07-16 | 宁波永发集团有限公司 | Rotating latch structure for safe |
| JP2009019380A (en) * | 2007-07-11 | 2009-01-29 | Oki Electric Ind Co Ltd | Bolt structure of safe casing |
| CN101538984A (en) * | 2009-04-17 | 2009-09-23 | 宁波永发电子设备有限公司 | Inverted hook type latch locking structure |
| CN202039662U (en) * | 2011-01-24 | 2011-11-16 | 王勇军 | Anti-theft door bolt and bolt structure with same |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3640106A (en) * | 1970-10-12 | 1972-02-08 | Wessel Hardware Corp | Key-operated chain door-lock construction |
| CN2526423Y (en) * | 2002-03-20 | 2002-12-18 | 上海东丰五金有限公司 | Anti-theft chain |
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2011
- 2011-01-24 CN CN 201110032895 patent/CN102108819B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2269454Y (en) * | 1996-03-11 | 1997-12-03 | 俞鑫炎 | Reverse hooked anti-pry door bolt device |
| CN1730886A (en) * | 2005-08-26 | 2006-02-08 | 曹君 | Door bolt mechanism for strongbox |
| CN101059050A (en) * | 2007-05-30 | 2007-10-24 | 宁波永发集团有限公司 | Pick-proof door bolt structure |
| JP2009019380A (en) * | 2007-07-11 | 2009-01-29 | Oki Electric Ind Co Ltd | Bolt structure of safe casing |
| CN201087631Y (en) * | 2007-08-10 | 2008-07-16 | 宁波永发集团有限公司 | Rotating latch structure for safe |
| CN101538984A (en) * | 2009-04-17 | 2009-09-23 | 宁波永发电子设备有限公司 | Inverted hook type latch locking structure |
| CN202039662U (en) * | 2011-01-24 | 2011-11-16 | 王勇军 | Anti-theft door bolt and bolt structure with same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102108819A (en) | 2011-06-29 |
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