CN204728820U - A kind of latch hook theft-proof bolt device - Google Patents
A kind of latch hook theft-proof bolt device Download PDFInfo
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- CN204728820U CN204728820U CN201520278899.3U CN201520278899U CN204728820U CN 204728820 U CN204728820 U CN 204728820U CN 201520278899 U CN201520278899 U CN 201520278899U CN 204728820 U CN204728820 U CN 204728820U
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Abstract
A kind of latch hook theft-proof bolt device disclosed in the utility model, it comprises at least one master lock tongue, and master lock tongue is arranged on dead bolt installing plate, and the lock housing that skids off along the direction perpendicular to lock housing panel or retract under the drive of dead bolt installing plate; The end that lock out of master lock tongue forms the embedded hole of the doorframe lock tabling be suitable on doorframe; Also comprise be arranged on master lock tongue container cavity in, master lock tongue skids off or retracts in the process of lock housing, the auxiliary hook tongue structure hooked together with doorframe lock hook or disengaging under the effect of dead bolt installing plate.In the utility model, auxiliary hook tongue structure is located in the container cavity of master lock tongue, when master lock tongue lock out stretch in doorframe time, doorframe lock is embedded in master lock tongue by embedded hole, and hooks together with auxiliary hook tongue structure, thus realize the antitheft of door lock and hook together locking, and doorframe lock is arranged in doorframe, auxiliary hook tongue structure is arranged in master lock tongue, takes full advantage of space in lock housing, and good looking appearance, there will not be hook to draw phenomenon.
Description
Technical field
The utility model relates to a kind of lock for theft-proof door, can form a kind of latch hook theft-proof bolt device of similar hook structure after relating in particular to a kind of locking out.
Background technology
Existing automatic door lock prevents illegal ability of opening to improve, and usually through arranging the secondary lock tongue with main tongue linked, when door lock locking, the selvage caught on doorframe carrys out opposite house and is locked into row locking.
As Chinese patent literature CN2599173Y discloses a kind of driving mechanism of sliding door lock, comprise lock a door executing agency and door lock opening mechanism, wherein: executing agency of locking a door comprises snap close ring, coupler knuckle plate and hyoplastron torsion spring, coupler knuckle plate is arranged on the bearing pin in lock housing, hyoplastron torsion spring set one end on bearing pin is pressed on the sidewall of lock housing, other end butt hook hyoplastron, snap close ring is arranged on panel, and the tongue hook before coupler knuckle plate is hooked in inside snap close ring; Door lock opening mechanism comprises tapered end transmission bar, thumb wheel, keep plate and Brake torsion spring, keep plate is arranged on the bearing pin in lock housing, Brake torsion spring is enclosed within bearing pin, one end is pressed on the sidewall of lock housing, the other end is connected to the side of keep plate, and be provided with tapered end transmission bar inside thumb wheel, thumb wheel stretches out driving lever, driving lever is pressed on keep plate, and the step-shaped top on keep plate is on coupler knuckle plate upper mounting plate.Namely in the driving mechanism of sliding door lock described in this patent document, when moving door is closed up, the top of snap close ring enters lock housing, the top of snap close ring is pressed in the plane of coupler knuckle plate front bottom, makes coupler knuckle plate overcome hyoplastron torsion spring resistance and rotates clockwise, after coupler knuckle plate turns over certain angle, the tongue hook at coupler knuckle plate top is hooked in inside snap close ring, meanwhile, the step-shaped top on keep plate, on coupler knuckle plate upper mounting plate, makes coupler knuckle plate not reverse; Want opening door lock, key turns tapered end transmission bar is inserted to tapered end, tapered end transmission bar drives thumb wheel to rotate, and the driving lever promotion keep plate on thumb wheel overcomes Brake torsion spring resistance and rotates counterclockwise, when the step on keep plate departs from coupler knuckle plate upper mounting plate, coupler knuckle plate rotates counterclockwise reset under the effect of hyoplastron torsion spring, and make the tongue hook at top depart from snap close ring, meanwhile, door pushing mechanism is had an effect, the spring that the pushes post that will push is pushed open, and moving door is separated automatically.
But the driving mechanism of sliding door lock described in above-mentioned patent document has the following disadvantages: in this driving mechanism of sliding door lock, the snap close ring be molded on panel and the post that pushes are locked or release lock housing to realize lock a door or unblank, and be molded over snap close ring on panel and push post when moving door is not closed, all the time protrude outside, not only affect attractive in appearance, and the clothes easily hooked on the person of discrepancy, or scratch other objects etc.
Utility model content
For this reason, technical problem to be solved in the utility model is that the snap close ring of driving mechanism of sliding door lock in prior art and the post that pushes protrude outside all the time, not only affect attractive in appearance, and the easy hook of protuberance draws clothes or other objects, and then provide a kind of and do not protrude, attractive in appearance and there will not be hook to draw the latch hook theft-proof bolt device of phenomenon.
For solving the problems of the technologies described above, a kind of latch hook theft-proof bolt device of the present utility model, it comprises
At least one master lock tongue, described master lock tongue is arranged on dead bolt installing plate, and the lock housing that skids off along the direction perpendicular to described lock housing panel or retract under the drive of described dead bolt installing plate;
The end that lock out of described master lock tongue forms the embedded hole of the doorframe lock tabling be suitable on doorframe;
Also comprise be arranged on described master lock tongue container cavity in, described master lock tongue skids off or retracts in the process of described lock housing, the auxiliary hook tongue structure hooked together with described doorframe lock hook or disengaging under the effect of described dead bolt installing plate.
Described auxiliary hook tongue structure comprises
By the rotating auxiliary hook tongue be arranged in described container cavity of the first installation shaft, described auxiliary hook tongue comprise can with the hook portion of described doorframe lock hook;
Be arranged in described container cavity, described auxiliary hook tongue can be made to keep the latch-up structure of lock-out state;
Described auxiliary hook tongue is applied with all the time to the reset bias piece making described auxiliary hook tongue have the reset biasing force being reset to the movement tendency of released state by lock-out state;
And the unlocking structure of described auxiliary hook tongue insurance to the locking of described auxiliary hook tongue can be removed.
Described latch-up structure comprises and is molded on described auxiliary hook tongue and jointly forms the secondary lock arm of hook groove with described hook portion, and by the rotating auxiliary hook tongue insurance be arranged in described container cavity of the second installation shaft, the insurance of described auxiliary hook tongue forms draw-in groove towards the side of described auxiliary hook tongue, described draw-in groove can with auxiliary hook tongue described in described secondary lock arm snap lock.
Described reset bias piece is set to double hook reduction torsion spring, one end of described double hook reduction torsion spring is set in described first installation shaft, and described auxiliary hook tongue is applied with all the time makes described auxiliary hook tongue have the biasing force of the movement tendency being reset to released state by lock-out state, the other end of described double hook reduction torsion spring is set in described second installation shaft, and is applied with all the time the insurance of described auxiliary hook tongue and described auxiliary hook tongue is insured have towards the biasing force of described auxiliary hook tongue rotating tendency.
Described unlocking structure comprises the unlocking board be slidably arranged on described dead bolt installing plate, be located at the unblock tooth bar that described unlocking board can be driven by lever handle device or lock head device, and to be molded on described unlocking board and can to insure the unblock end of the extension phase-splitting hook stretching out described container cavity with described secondary lock tongue, when retraction movement, the biasing force generation reverse rotation that described unblock end makes described auxiliary hook tongue insure and overcomes described double hook reduction torsion spring is deviate from from described draw-in groove to described secondary lock arm.
Also be provided with the guide frame that the slip of described unlocking board is led, described guide frame comprises the lead be molded on described unlocking board/described dead bolt installing plate, and is molded over the gathering sill that can match with described lead on described dead bolt installing plate/described unlocking board.
Described embedded hole place is also provided with dustproof construction, described dustproof construction comprises the dust cap can closed or open wide described embedded hole, make the rotating mounting bracket being arranged on described embedded hole place of described dust cap, and be set on described mounting bracket, and the elastomeric element of the biasing force that described dust cap is rotated towards closed direction is applied with all the time to described dust cap.
Described elastomeric element is set to reduction torsion spring.
Described master lock tongue is set to two.
Technique scheme of the present utility model has the following advantages compared to existing technology:
(1) in the utility model, the end that lock out of described master lock tongue forms the embedded hole of the doorframe lock tabling be suitable on doorframe; Also comprise be arranged on described master lock tongue container cavity in, described master lock tongue skids off or retracts in the process of described lock housing, the auxiliary hook tongue structure hooked together with described doorframe lock hook or disengaging under the effect of described dead bolt installing plate; Namely in the utility model, described auxiliary hook tongue structure is located in the described container cavity of described master lock tongue, when described master lock tongue lock out stretch in doorframe time, described doorframe lock is embedded in described master lock tongue by described embedded hole, and hooks together with described auxiliary hook tongue structure, thus realize the antitheft of door lock and hook together locking, and described doorframe lock is arranged in described doorframe, described auxiliary hook tongue structure is arranged in described master lock tongue, takes full advantage of space in lock housing, and good looking appearance, there will not be hook to draw phenomenon.
(2) in the utility model, described auxiliary hook tongue structure comprises by the rotating auxiliary hook tongue be arranged in described container cavity of the first installation shaft, described auxiliary hook tongue comprise can with the hook portion of described doorframe lock hook; Be arranged in described container cavity, described auxiliary hook tongue can be made to keep the latch-up structure of lock-out state; Described auxiliary hook tongue is applied with all the time to the reset bias piece making described auxiliary hook tongue have the reset biasing force being reset to the movement tendency of released state by lock-out state; And the unlocking structure of described auxiliary hook tongue insurance to the locking of described auxiliary hook tongue can be removed; Namely in the utility model, described hook portion can hook together with the described doorframe lock in described doorframe at lock-out state, thus enhances the anti-theft anti-prick function of door lock, and structure is simple, and it is firm to lock.
(3) in the utility model, also be provided with the guide frame that the slip of described unlocking board is led, described guide frame comprises the lead be molded on described unlocking board/described dead bolt installing plate, and is molded over the gathering sill that can match with described lead on described dead bolt installing plate/described unlocking board; Described guiding device not only can limit the relative sliding distance between described unblock version and described dead bolt installing plate, can also lead to the glide direction of described unlocking board, insure the locking rotating and remove in time described secondary lock arm so that described auxiliary hook tongue successfully can be driven in the sliding process ensureing described unlocking board, thus realize the unblock of described auxiliary hook tongue.
(4) in the utility model, described embedded hole place is also provided with the dustproof construction can closed or close described embedded hole, namely when door lock retracted mode, described dustproof construction can close described embedded hole, thus prevents the dust in air or other objects from carrying out affecting in lock housing flexibility ratio or the door lock functional performance of lock housing inner body.
(5) in the utility model, described dustproof construction comprises the dust cap can closed or open wide described embedded hole, make the rotating mounting bracket being arranged on described embedded hole place of described dust cap, and be set on described mounting bracket, and the elastomeric element of the biasing force that described dust cap is rotated towards closed direction is applied with all the time to described dust cap; Like this when door lock is retracted completely, described dust cap can automatically reset and close described embedded hole under the effect of described elastomeric element, can prevent external dust or other objects from carrying out lock housing in time.
Accompanying drawing explanation
In order to make content of the present utility model be more likely to be clearly understood, below according to specific embodiment of the utility model also by reference to the accompanying drawings, the utility model is described in further detail, wherein
Fig. 1 is that described auxiliary hook tongue structure lock out view;
Fig. 2 is described auxiliary hook tongue structure retracted mode schematic diagram;
In figure, Reference numeral is expressed as: 1-master lock tongue; 2-dead bolt installing plate; 3-doorframe lock; 4-embedded hole; 5-container cavity; 6-auxiliary hook tongue; 7-hook portion; 8-secondary lock arm; 9-first installation shaft; 10-second installation shaft; 11-auxiliary hook tongue insures; 12-draw-in groove; 13-double hook reduction torsion spring; 14-unlocking board; 15-unlocks tooth bar; 16-unlocks end; 17-lead; 18-gathering sill; 19-dust cap; 20-mounting bracket; 21-elastomeric element.
Detailed description of the invention
Below with reference to accompanying drawing, following embodiment is used to be further described the utility model.
As illustrated in fig. 1 and 2, a kind of latch hook theft-proof bolt device described in the present embodiment, it comprises at least one master lock tongue 1, and described master lock tongue 1 is arranged on dead bolt installing plate 2, and the lock housing that skids off along the direction perpendicular to described lock housing panel or retract under the drive of described dead bolt installing plate 2; The end that lock out of described master lock tongue 1 forms the embedded hole 4 of doorframe lock 3 tabling be suitable on doorframe; Also comprise be arranged on described master lock tongue 1 container cavity 5 in, described master lock tongue 1 skids off or retracts in the process of described lock housing, auxiliary hook tongue 6 structure hooked together with described doorframe lock 3 hook or disengaging under the effect of described dead bolt installing plate 2, wherein, preferred described master lock tongue 1 is set to two.In the present embodiment, described auxiliary hook tongue structure is located in the described container cavity 5 of described master lock tongue 1, when described master lock tongue 1 lock out stretch in doorframe time, described doorframe lock 3 is embedded in described master lock tongue 1 by described embedded hole 4, and hooks together with described auxiliary hook tongue structure, thus realize the antitheft of door lock and hook together locking, and described doorframe lock 3 is arranged in described doorframe, described auxiliary hook tongue structure is arranged in described master lock tongue 1, takes full advantage of space in lock housing, and good looking appearance, there will not be hook to draw phenomenon.
In the present embodiment, described auxiliary hook tongue structure comprises by the rotating auxiliary hook tongue 6 be arranged in described container cavity 5 of the first installation shaft 9, described auxiliary hook tongue 6 comprise can with the hook portion 7 of described doorframe lock 3 hook; Be arranged in described container cavity 5, described auxiliary hook tongue 6 can be made to keep the latch-up structure of lock-out state; Described auxiliary hook tongue 6 is applied with all the time to the reset bias piece making described auxiliary hook tongue 6 have the reset biasing force being reset to the movement tendency of released state by lock-out state; And the unlocking structure of described auxiliary hook tongue insurance 11 to the locking of described auxiliary hook tongue 6 can be removed.In the present embodiment, described hook portion 7 can hook together with the described doorframe lock 3 in described doorframe at lock-out state, thus enhances the anti-theft anti-prick function of door lock, and structure is simple, and it is firm to lock.
Particularly, described latch-up structure comprises and is molded on described auxiliary hook tongue 6 and jointly forms the secondary lock arm 8 of hook groove with described hook portion 7, and by the rotating auxiliary hook tongue insurance 11 be arranged in described container cavity 5 of the second installation shaft 10, described auxiliary hook tongue insurance 11 forms draw-in groove 12 towards the side of described auxiliary hook tongue 6, described draw-in groove 12 can with auxiliary hook tongue 6 described in described secondary lock arm 8 snap lock.
Described reset bias piece is set to double hook reduction torsion spring 13, one end of described double hook reduction torsion spring 13 is set in described first installation shaft 9, and described auxiliary hook tongue 6 is applied with all the time makes described auxiliary hook tongue 6 have the biasing force of the movement tendency being reset to released state by lock-out state, the other end of described double hook reduction torsion spring 13 is set in described second installation shaft 10, and is applied with all the time described auxiliary hook tongue insurance 11 and makes described auxiliary hook tongue insure 11 to have towards the biasing force of described auxiliary hook tongue 6 rotating tendency.
Described unlocking structure comprises the unlocking board 14 be slidably arranged on described dead bolt installing plate 2, be located at the unblock tooth bar 15 that described unlocking board 14 can be driven by lever handle device or lock head device, and to be molded on described unlocking board 14 and can to insure the unblock end 16 of the extension phase-splitting hook stretching out described container cavity 5 with described secondary lock tongue, when retraction movement, there is to reversely rotate extremely described secondary lock arm 8 and deviate from from described draw-in groove 12 in the biasing forces that described unblock end 16 makes described auxiliary hook tongue insurance 11 overcome described double hook reduction torsion spring 13.Specifically, in the present embodiment, both sides on described unlocking board 14 are provided with two described unblock tooth bars 15, unlock tooth bar 15 described in one of them to be connected with described lever handle device, unlock tooth bar 15 described in another to be connected with described lock head device, when needing to unlock, described unblock tooth bar 15 can under the effect of described lever handle device or described lock head device, described unlocking board 14 is driven to run toward retracted orientation, now, described unblock end 16 pulls described auxiliary hook tongue to insure 11 downwards, thus the biasing forces making described auxiliary hook tongue insurance 11 overcome described double hook reduction torsion spring 13 reversely rotate, described draw-in groove 12 is caused to be separated with described secondary lock arm 8, now, described unblock tooth bar 15 continues to drive described unlocking board 14 to move toward retracted orientation, described unlocking board 14 drives described dead bolt installing plate 2 toward retraction simultaneously, described master lock tongue 1 is retracted, meanwhile, described auxiliary hook tongue 6 is reset to initial position under the effect of the reset biasing force of described double hook reduction torsion spring 13, and described auxiliary hook tongue 6 is separated with described doorframe lock 3, and now door lock is retracted to unlocking condition completely.
On the basis of above-described embodiment, the guide frame that the slip of described unlocking board 14 is led also is provided with in the present embodiment, described guide frame comprises the lead 17 be molded on dead bolt installing plate 2 described in described unlocking board 14/, and is molded over the gathering sill 18 that can match with described lead 17 on unlocking board 14 described in described dead bolt installing plate 2/.In the present embodiment, be arranged on by described lead 17 on described dead bolt installing plate 2, described gathering sill 18 is arranged on described unlocking board 14, and the length of described gathering sill 18 equals the relative sliding stroke of described unlocking board 14 relative to described dead bolt installing plate 2.
Further, in the present embodiment, described embedded hole 4 place is also provided with dustproof construction, namely when door lock retracted mode, described dustproof construction can close described embedded hole 4, thus prevents the dust in air or other objects from carrying out affecting in lock housing flexibility ratio or the door lock functional performance of lock housing inner body.
Particularly, described dustproof construction comprises the dust cap 19 can closed or open wide described embedded hole 4, make the rotating mounting bracket 20 being arranged on described embedded hole 4 place of described dust cap 19, and be set on described mounting bracket 20, and the elastomeric element 21 of the biasing force that described dust cap 19 is rotated towards closed direction is applied with all the time to described dust cap 19; Wherein, preferred described elastomeric element 21 is set to reduction torsion spring.Like this when door lock is retracted completely, described dust cap 19 can automatically reset and close described embedded hole 4 under the effect of described elastomeric element 21, can prevent external dust or other objects from carrying out lock housing in time.
The concrete motion process of the latch hook theft-proof bolt device described in above-described embodiment is as follows:
One, process is lock out
When door lock lock out, described dead bolt installing plate 2 drives described master lock tongue 1 to move towards described doorframe, described master lock tongue 1 is while locking described doorframe, described doorframe lock 3 extrudes described dust cap 19, and the biasing force making described dust cap 19 overcome described elastomeric element 21 rotates in described container cavity 5, described doorframe lock 3 embeds described embedded hole 4 and presses the described secondary lock arm 8 of described auxiliary hook tongue 6 further, the effect making described auxiliary hook tongue 6 overcome the reset biasing force of described double hook reduction torsion spring 13 rotates, make described hook portion 7 and described doorframe lock 3 hook tongue, and described secondary lock arm 8 embeds in the described draw-in groove 12 of described auxiliary hook tongue insurance 11, thus complete and wholely lock out process, as shown in Figure 1,
Two, retraction process
When door lock is retracted, described unblock tooth bar 15 can under the effect of described lever handle device or described lock head device, described unlocking board 14 is driven to run toward retracted orientation, now, described unblock end 16 pulls described auxiliary hook tongue to insure 11 downwards, thus the biasing forces making described auxiliary hook tongue insurance 11 overcome described double hook reduction torsion spring 13 reversely rotate, and cause described draw-in groove 12 to be separated with described secondary lock arm 8, now, described unblock tooth bar 15 continues to drive described unlocking board 14 to move toward retracted orientation, described unlocking board 14 drives described dead bolt installing plate 2 toward retraction simultaneously, described master lock tongue 1 is retracted, meanwhile, described auxiliary hook tongue 6 is reset to initial position under the effect of the reset biasing force of described double hook reduction torsion spring 13, described auxiliary hook tongue 6 is separated with described doorframe lock 3, described doorframe lock 3 deviates from described embedded hole 4, and described dust cap 19 is under the effect of described elastomeric element, rotate the position to closing described embedded hole 4, now door lock is retracted to unlocking condition completely, thus complete rectification retraction process, as shown in Figure 2.
Obviously, above-described embodiment is only for clearly example being described, and the restriction not to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.And thus the apparent change of extending out or variation be still among the protection domain of the invention.
Claims (10)
1. a latch hook theft-proof bolt device, it comprises
At least one master lock tongue (1), described master lock tongue (1) is arranged on dead bolt installing plate (2), and the lock housing that skids off along the direction perpendicular to described lock housing panel or retract under the drive of described dead bolt installing plate (2);
It is characterized in that: the end that lock out of described master lock tongue (1) forms the embedded hole (4) of doorframe lock (3) tabling be suitable on doorframe;
Also comprise be arranged on described master lock tongue (1) container cavity (5) in, described master lock tongue (1) skids off or retracts in the process of described lock housing, the auxiliary hook tongue structure hooked together with described doorframe lock (3) hook or disengaging under the effect of described dead bolt installing plate (2).
2. latch hook theft-proof bolt device according to claim 1, is characterized in that: described auxiliary hook tongue structure comprises
By the rotating auxiliary hook tongue (6) be arranged in described container cavity (5) of the first installation shaft (9), described auxiliary hook tongue (6) comprise can with the hook portion (7) of described doorframe lock (3) hook;
Be arranged in described container cavity (5), described auxiliary hook tongue (6) can be made to keep the latch-up structure of lock-out state;
All the time being applied with described auxiliary hook tongue (6) makes described auxiliary hook tongue (6) have the reset bias piece of the reset biasing force being reset to the movement tendency of released state by lock-out state;
And described auxiliary hook tongue insurance (11) can be removed to the unlocking structure of the locking of described auxiliary hook tongue (6).
3. latch hook theft-proof bolt device according to claim 2, it is characterized in that: described latch-up structure comprises and is molded on described auxiliary hook tongue (6) and jointly forms the secondary lock arm (8) of hook groove with described hook portion (7), and by rotating auxiliary hook tongue insurance (11) be arranged in described container cavity (5) of the second installation shaft (10), described auxiliary hook tongue insurance (11) forms draw-in groove (12) towards the side of described auxiliary hook tongue (6), described draw-in groove (12) can with auxiliary hook tongue (6) described in described secondary lock arm (8) snap lock.
4. latch hook theft-proof bolt device according to claim 3, it is characterized in that: described reset bias piece is set to double hook reduction torsion spring (13), one end of described double hook reduction torsion spring (13) is set on described first installation shaft (9), and described auxiliary hook tongue (6) is applied with all the time makes described auxiliary hook tongue (6) have the biasing force of the movement tendency being reset to released state by lock-out state, the other end of described double hook reduction torsion spring (13) is set on described second installation shaft (10), and described auxiliary hook tongue insurance (11) is applied with all the time makes described auxiliary hook tongue insure (11) to have towards the biasing force of described auxiliary hook tongue (6) rotating tendency.
5. latch hook theft-proof bolt device according to claim 4, it is characterized in that: described unlocking structure comprises the unlocking board (14) be slidably arranged on described dead bolt installing plate (2), be located at the unblock tooth bar (15) that described unlocking board (14) can be driven by lever handle device or lock head device, and to be molded on described unlocking board (14) and the unblock end (16) of the extension phase-splitting hook stretching out described container cavity (5) can be insured with described secondary lock tongue, when retraction movement, there is to reversely rotate extremely described secondary lock arm (8) and deviate from from described draw-in groove (12) in the biasing force that described unblock end (16) makes described auxiliary hook tongue insurance (11) overcome described double hook reduction torsion spring (13).
6. latch hook theft-proof bolt device according to claim 5, it is characterized in that: be also provided with the guide frame that the slip of described unlocking board (14) is led, described guide frame comprises the lead (17) be molded on described unlocking board (14)/described dead bolt installing plate (2), and is molded over the gathering sill (18) that can match with described lead (17) on described dead bolt installing plate (2)/described unlocking board (14).
7. the latch hook theft-proof bolt device according to any one of claim 1-6, is characterized in that: described embedded hole (4) place is also provided with the dustproof construction can closed or close described embedded hole (4).
8. latch hook theft-proof bolt device according to claim 7, it is characterized in that: described dustproof construction comprises the dust cap (19) can closed or open wide described embedded hole (4), make the rotating mounting bracket (20) being arranged on described embedded hole (4) place of described dust cap (19), and be set on described mounting bracket (20), and the elastomeric element (21) of the biasing force that described dust cap (19) is rotated towards closed direction is applied with all the time to described dust cap (19).
9. latch hook theft-proof bolt device according to claim 8, is characterized in that: described elastomeric element (21) is set to reduction torsion spring.
10. the latch hook theft-proof bolt device according to any one of claim 1-6, is characterized in that: described master lock tongue (1) is set to two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520278899.3U CN204728820U (en) | 2015-04-30 | 2015-04-30 | A kind of latch hook theft-proof bolt device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520278899.3U CN204728820U (en) | 2015-04-30 | 2015-04-30 | A kind of latch hook theft-proof bolt device |
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| Publication Number | Publication Date |
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| CN204728820U true CN204728820U (en) | 2015-10-28 |
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| CN201520278899.3U Active CN204728820U (en) | 2015-04-30 | 2015-04-30 | A kind of latch hook theft-proof bolt device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107246189A (en) * | 2017-06-28 | 2017-10-13 | 广汽丰田汽车有限公司 | A kind of interlock |
| CN109138630A (en) * | 2018-10-29 | 2019-01-04 | 刘宇 | A kind of magnetic force hook lock and energy-saving magnetic hook lock |
| CN110570580A (en) * | 2018-05-17 | 2019-12-13 | 山东新北洋信息技术股份有限公司 | Gate mechanism, paper money box and self-service equipment |
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2015
- 2015-04-30 CN CN201520278899.3U patent/CN204728820U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107246189A (en) * | 2017-06-28 | 2017-10-13 | 广汽丰田汽车有限公司 | A kind of interlock |
| CN110570580A (en) * | 2018-05-17 | 2019-12-13 | 山东新北洋信息技术股份有限公司 | Gate mechanism, paper money box and self-service equipment |
| CN109138630A (en) * | 2018-10-29 | 2019-01-04 | 刘宇 | A kind of magnetic force hook lock and energy-saving magnetic hook lock |
| CN109138630B (en) * | 2018-10-29 | 2024-04-12 | 刘宇 | Magnetic force hook lock and energy-saving magnetic force hook lock |
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Effective date of registration: 20180511 Address after: 321300 No. 9 South Avenue, Yongkang famous hardware and Technology Industrial Park, Jinhua, Zhejiang Patentee after: Wang Lian Polytron Technologies Inc Address before: 321201 hardware East Road 2, hardware machinery industrial zone, Wuyi County, Jinhua, Zhejiang Patentee before: ZHEJIANG WANLI DOOR INDUSTRY CO., LTD. |