CN202689729U - Double-quick burglarproof lock with hook bolts - Google Patents
Double-quick burglarproof lock with hook bolts Download PDFInfo
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- CN202689729U CN202689729U CN 201220149754 CN201220149754U CN202689729U CN 202689729 U CN202689729 U CN 202689729U CN 201220149754 CN201220149754 CN 201220149754 CN 201220149754 U CN201220149754 U CN 201220149754U CN 202689729 U CN202689729 U CN 202689729U
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- master latch
- bolt
- lock
- shifting block
- latch
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Abstract
The utility model relates to a double-quick burglarproof lock with hook bolts. A lock head, a main lock bolt, a main lock bolt supporting plate, a main lock bolt toggling mechanism, a main lock bolt locking state limiting mechanism and a main lock bolt opening state limiting mechanism are arranged in a lock body; a lock head shifting block is arranged on the lock head; a hook bolt is arranged on each of the two sides in the main lock bolt; one end of each hook bolt is rotationally connected with a positioning pin shaft arranged in the lock body and the other end of each hook bolt can turn out synchronously along with stretching outwards of the main lock bolt and turn back synchronously along with retracting inwards of the main lock bolt; the main bolt toggling mechanism comprises a main lock bolt shifting block arranged rotationally; one end of the main lock bolt shifting block is connected with the main lock bolt locking state limiting mechanism, and the other end of the main lock bolt shifting block is designed into an arc part and is in propped fit with one end surface of the lock head shifting block and a transmission pin on the main lock bolt supporting plate; and the main lock bolt opening state limiting mechanism is propped against the other end surface of the lock head shifting block. With the adoption of a destructive-opening-prevention structure that a door frame is buckled by a door locking inverted hook, so that the anti-theft performance is high and a door can be locked or unlocked by 90 degrees at the same time.
Description
Technical field:
The utility model relates to door latch structure, especially a kind of double quick of buckle bolt (namely can quick lock in and open fast) theftproof lock.
Background technology:
After safe-guard door lock was assemblied on the security door, its locking for security door mainly was to utilize the master latch on the door lock to be connected in the locking bolt hole set on the doorframe.The form of structure of the master latch on the existing safe-guard door lock has cylindric, block, they all are connected on the supporting plate of door lock, and extended or retracted in the lock body of safe-guard door lock under the drive of supporting plate, to finish locking or the open operation to security door, the safe-guard door lock pick-proof poor-performing of this structure, stealer is easy to it is destroyed.
In addition, existing safe-guard door lock generally all needs key revolved to take two turns when locking a door and open half could realize operating, and is very inconvenient.
The utility model content:
The purpose of this utility model is to overcome the deficiency of above-mentioned prior art, provides a kind of pick-proof performance good, easy to operate, and increases the double quick theftproof lock of the buckle bolt that button latch bolt function is arranged.
The purpose of this utility model is achieved through the following technical solutions:
A kind of double quick theftproof lock of buckle bolt, comprise lock body, be provided with tapered end, master latch, master latch supporting plate, master latch toggle mechanism, master latch lock-out state position-limit mechanism and master latch opening position-limit mechanism in the lock body, be provided with the tapered end shifting block on the described tapered end, both sides respectively are provided with a hook bolt in the described master latch, one end of this two hooks bolt is rotationally connected with the alignment pin that is arranged in the lock body respectively, the other end can outwards be routed up synchronously according to the overhanging of master latch, and inwardly turns back synchronously according to inside contracting of master latch; Described master latch toggle mechanism comprises a rotatable master latch shifting block that arranges, described master latch shifting block one end is connected with master latch lock-out state position-limit mechanism, the other end is designed to curved portions, and the two ends of described curved portions are supported with an end face of tapered end shifting block and the trundle on the master latch supporting plate respectively and cooperated; Described master latch opening position-limit mechanism is touched by the other end of tapered end shifting block and supports.
Described master latch toggle mechanism also comprises rotatable master latch driving lever and a driving lever torsion spring that arranges, and described master latch driving lever one end is rotationally connected with the bearing pin that is arranged in the lock body, and the other end and master latch supporting plate are flexibly connected.
Described master latch lock-out state position-limit mechanism comprises a slide bar and an extension spring, is provided with the spacing mandril of supporting with master latch supporting plate rear end and the connecting pin that is connected with the master latch shifting block on the described slide bar.
Described master latch opening position-limit mechanism comprises a slide plate, described slide plate one end is provided with for the tapered end shifting block and touches the top of supporting, the other end is provided with the snapping section that the bending part with master latch supporting plate rear end is interlocked, this snapping section is provided with the importing inclined-plane, described extension spring one end is connected with slide bar, and the other end is connected with slide plate.
Described hook bolt is substantially L-shaped, is provided with the bearing pin that is connected with master latch on it, is provided with corresponding cotter way on the described master latch.
Also be provided with latch bolt and interior handle plectrum in the described lock body, described latch bolt rear end is provided with back-moving spring, spacer and slide guide sheet, the first end arm of described interior handle plectrum is supported with the slide guide sheet and is cooperated, the second end arm of described interior handle plectrum is supported with described slide bar one end and is cooperated, be provided with a gangbar on the described master latch driving lever, this gangbar one end is connected with the master latch driving lever, and the other end touches to support with the first end arm of interior handle plectrum and cooperates.
Also be provided with a button latch bolt mechanism in the described lock body, described button latch bolt mechanism comprises a buckle and a buckle torsion spring, described buckle one end is rotationally connected with the bearing pin that is arranged in the lock body, the other end is resisted against on the described slide guide sheet in the time of can being reduced in the lock body in described latch bolt, and according to stirring of described interior handle plectrum remove to described slide guide sheet against.
Compared with prior art, the beneficial effects of the utility model are:
At first, adopt the anti-destructive opening structure of the barb button doorframe of locking a door, improved pick-proof, the preventing destructing performance of safe-guard door lock.
Secondly, easy to operate, can realize the quick lock in of safe-guard door lock and fast unlatching, only need insert key when locking a door and be rotated counterclockwise 90 degree (R.H.flapped doors, otherwise L.H.flapped door is namely) can start that lock body is comprehensive locks, insert the key dextrorotation during unlatching and just turn 90 degrees and can fully door be opened.
Again, increased a button latch bolt function, this function is not pressed latch bolt with hand when lock body starts, and latch bolt is namely return in the lock body, and close the door this moment can be with on the door lock.In the time will removing this function, insert key towards the opening direction 90-degree rotation or press down 45 degree at indoor handle and can recover normal condition, be particularly suitable for being installed on object of construction production with locking.
Description of drawings:
Introduce in detail the utility model below in conjunction with the drawings and specific embodiments.
Fig. 1 is the opening structural representation of the utility model buckle bolt double quick theftproof lock.
Fig. 2 is the lock-out state structural representation of the utility model buckle bolt double quick theftproof lock.
The specific embodiment:
As depicted in figs. 1 and 2, as a kind of embodiment of the utility model, the double quick theftproof lock of this buckle bolt comprises lock body 1, be provided with tapered end 2, master latch 3, master latch supporting plate 4, master latch toggle mechanism 5, master latch lock-out state position-limit mechanism 6 and master latch opening position-limit mechanism 7 in the lock body 1, be provided with tapered end shifting block 21 on the tapered end 2.The end that master latch 3 interior both sides respectively are provided with a hook bolt 8, two hook bolts 8 is rotationally connected with the alignment pin 11 that is arranged in the lock body 1 respectively, and the other end can outwards be routed up synchronously according to the overhanging of master latch 3, and inwardly turns back synchronously according to inside contracting of master latch 3.Hook bolt 8 is substantially L-shaped, is provided with the bearing pin 81 that is connected with master latch 3 on it, is provided with corresponding cotter way 31 on the master latch 3.
Master latch toggle mechanism 5 comprises a rotatable master latch shifting block 51 that arranges, rotatable master latch driving lever 52 and a driving lever torsion spring 53 that arranges.Master latch shifting block 51 1 ends are connected with master latch lock-out state position-limit mechanism 6, the other end is designed to curved portions 511, the two ends of curved portions 511 are supported with an end face of tapered end shifting block 21 and the trundle 41 on the master latch supporting plate 4 respectively and are cooperated, and master latch opening position-limit mechanism 7 is touched by the other end of tapered end shifting block 21 and supports.Master latch driving lever 52 1 ends are rotationally connected with the bearing pin 12 that is arranged in the lock body 1, and the other end and master latch supporting plate 4 are flexibly connected.
Master latch lock-out state position restrainer 6 structures comprise a slide bar 61 and an extension spring 62, are provided with the spacing mandril 63 of supporting with master latch supporting plate 4 rear ends and the connecting pin 64 that is connected with master latch shifting block 51 on the slide bar 61.Master latch opening position-limit mechanism 7 comprises a slide plate 71, slide plate 71 1 ends are provided with for tapered end shifting block 21 and touch the top 72 of supporting, the other end is provided with the snapping section 73 that the bending part 42 with master latch supporting plate 4 rear ends is interlocked, this snapping section 73 is provided with and imports inclined-plane 731, the effect that imports inclined-plane 731 is to guide bending part 42 to move to by button bit to put, extension spring 62 1 ends are connected with slide bar 61, and the other end is connected with slide plate 71.
Also be provided with latch bolt 9 and interior handle plectrum 10 in the lock body 1, latch bolt 9 rear ends are provided with back-moving spring 91, spacer 92 and slide guide sheet 93, the first end arm 101 of interior handle plectrum 10 is supported with slide guide sheet 93 and is cooperated, the second end arm 102 of interior handle plectrum 10 is supported with slide bar 61 1 ends and is cooperated, be provided with a gangbar 54 on the master latch driving lever 52, these gangbar 54 1 ends are connected with master latch driving lever 52, and the other end touches to support with the first end arm 101 of interior handle plectrum 10 and cooperates.
Also be provided with a button latch bolt mechanism 20 in the lock body 1, this button latch bolt mechanism 20 comprises a buckle 201 and a buckle torsion spring 202, buckle 201 1 ends are rotationally connected with the bearing pin 13 that is arranged in the lock body 1, the other end can be reduced to lock body 1 and be resisted against on the slide guide sheet 93 when interior in latch bolt 9, and according to stirring of interior handle plectrum 10 remove to slide guide sheet 93 against.
The operating principle of the double quick theftproof lock of above-mentioned buckle bolt is as follows:
During outdoor locking a door, be rotated counterclockwise 90 degree at tapered end 2 interior insertion keys, touch the top 72 of supporting slide plate 71 upper ends by tapered end shifting block 21, driving slide plate 71 moves down, remove bending part 42 spacing of 73 pairs of master latch supporting plate 4 rear ends of snapping section, can make master latch 3 and hook bolt 8 protruding and rout up respectively, realize the locking of master latch 3 and hook bolt 8.
During outdoor unlatching, turn 90 degrees in tapered end 2 interior insertion key dextrorotations, drive master latch shifting block 51 by tapered end shifting block 21, after master latch shifting block 51 rotates, be with on the moving slide-bar 61 on the one hand and move, remove the spacing of 63 pairs of master latch supporting plates 4 of spacing mandril, drive on the other hand move in the master latch supporting plate 4 and master latch driving lever 52 in turn, make master latch 3, hook bolt 8 inwardly retract respectively and turn back, realize the unlatching of master latch 3 and hook bolt 8.When moving on the slide bar 61 simultaneously, handle plectrum 10 rotates in driving, and latch bolt 9 is inside contracted realize opening.
During indoor unlatching, by handle plectrum 10 in the handle rotating, drive gangbar 54 and slide guide sheet 93, master latch 3, hook bolt 8 and latch bolt are inwardly retracted realize opening.
Above-described embodiment is only for illustration of the utility model; and be not limitation of the utility model; the those of ordinary skill in relevant technologies field; in the situation that does not break away from spirit and scope of the present utility model; can also make a variety of changes and modification; therefore all technical schemes that are equal to also belong to category of the present utility model, and scope of patent protection of the present utility model should be limited by each claim.
Claims (7)
1. the double quick theftproof lock of a buckle bolt, comprise lock body (1), be provided with tapered end (2) in the lock body (1), master latch (3), master latch supporting plate (4), master latch toggle mechanism (5), master latch lock-out state position-limit mechanism (6) and master latch opening position-limit mechanism (7), be provided with tapered end shifting block (21) on the described tapered end (2), it is characterized in that: the interior both sides of described master latch (3) respectively are provided with a hook bolt (8), one end of this two hooks bolt (8) is rotationally connected with the alignment pin (11) that is arranged in the lock body (1) respectively, the other end can outwards be routed up synchronously according to the overhanging of master latch (3), and inwardly turns back synchronously according to inside contracting of master latch (3); Described master latch toggle mechanism (5) comprises a rotatable master latch shifting block (51) that arranges, described master latch shifting block (51) one ends are connected with master latch lock-out state position-limit mechanism (6), the other end is designed to curved portions (511), and the two ends of described curved portions (511) are supported with an end face of tapered end shifting block (21) and the trundle (41) on the master latch supporting plate (4) respectively and cooperated; Described master latch opening position-limit mechanism (7) is touched by the other end of tapered end shifting block (21) and supports.
2. a kind of double quick theftproof lock of buckle bolt as claimed in claim 1, it is characterized in that: described master latch toggle mechanism (5) also comprises rotatable master latch driving lever (52) and a driving lever torsion spring (53) that arranges, described master latch driving lever (52) one ends are rotationally connected with the bearing pin (12) that is arranged in the lock body (1), and the other end and master latch supporting plate (4) are flexibly connected.
3. a kind of double quick theftproof lock of buckle bolt as claimed in claim 2, it is characterized in that: described master latch lock-out state position restrainer (6) structure comprises a slide bar (61) and an extension spring (62), is provided with the spacing mandril (63) of supporting with master latch supporting plate (4) rear end and the connecting pin (64) that is connected with master latch shifting block (51) on the described slide bar (61).
4. a kind of double quick theftproof lock of buckle bolt as claimed in claim 3, it is characterized in that: described master latch opening position-limit mechanism (7) comprises a slide plate (71), described slide plate (71) one ends are provided with for tapered end shifting block (21) and touch the top (72) of supporting, the other end is provided with the snapping section (73) that the bending part (42) with master latch supporting plate (4) rear end is interlocked, this snapping section (73) is provided with and imports inclined-plane (731), described extension spring (62) one ends are connected with slide bar (61), and the other end is connected with slide plate (71).
5. a kind of double quick theftproof lock of buckle bolt as claimed in claim 2, it is characterized in that: described hook bolt (8) is substantially L-shaped, be provided with the bearing pin (81) that is connected with master latch (3) on it, be provided with corresponding cotter way (31) on the described master latch (3).
6. a kind of double quick theftproof lock of buckle bolt as claimed in claim 3, it is characterized in that: also be provided with latch bolt (9) and interior handle plectrum (10) in the described lock body (1), described latch bolt (9) rear end is provided with back-moving spring (91), spacer (92) and slide guide sheet (93), the first end arm (101) of described interior handle plectrum (10) is supported with slide guide sheet (93) and is cooperated, the second end arm (102) of described interior handle plectrum (10) is supported with described slide bar (61) one ends and is cooperated, be provided with a gangbar (54) on the described master latch driving lever (52), these gangbar (54) one ends are connected with master latch driving lever (52), and the other end touches to support with the first end arm (101) of interior handle plectrum (10) and cooperates.
7. a kind of double quick theftproof lock of buckle bolt as claimed in claim 6, it is characterized in that: also be provided with a button latch bolt mechanism (20) in the described lock body (1), described button latch bolt mechanism (20) comprises a buckle (201) and a buckle torsion spring (202), described buckle (201) one ends are rotationally connected with the bearing pin (13) that is arranged in the lock body (1), the other end is resisted against on the described slide guide sheet (93) in the time of can being reduced in the lock body (1) in described latch bolt (9), and according to stirring of described interior handle plectrum (10) remove to described slide guide sheet (93) against.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220149754 CN202689729U (en) | 2012-04-11 | 2012-04-11 | Double-quick burglarproof lock with hook bolts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220149754 CN202689729U (en) | 2012-04-11 | 2012-04-11 | Double-quick burglarproof lock with hook bolts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202689729U true CN202689729U (en) | 2013-01-23 |
Family
ID=47545362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220149754 Expired - Fee Related CN202689729U (en) | 2012-04-11 | 2012-04-11 | Double-quick burglarproof lock with hook bolts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202689729U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105888382A (en) * | 2014-09-24 | 2016-08-24 | 颜胜钢 | Novel automatic lock which is convenient to use |
-
2012
- 2012-04-11 CN CN 201220149754 patent/CN202689729U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105888382A (en) * | 2014-09-24 | 2016-08-24 | 颜胜钢 | Novel automatic lock which is convenient to use |
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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: 20130123 Termination date: 20140411 |