CN110318616B - Anti-theft chain device - Google Patents
Anti-theft chain device Download PDFInfo
- Publication number
- CN110318616B CN110318616B CN201810680635.9A CN201810680635A CN110318616B CN 110318616 B CN110318616 B CN 110318616B CN 201810680635 A CN201810680635 A CN 201810680635A CN 110318616 B CN110318616 B CN 110318616B
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- annular
- connecting plate
- rod
- groove
- push rod
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
- E05C17/00—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith
- E05C17/02—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means
- E05C17/46—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means in which the wing or a member fixed thereon is engaged by a movable fastening member in a fixed position; in which a movable fastening member mounted on the wing engages a stationary member
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Closing And Opening Devices For Wings, And Checks For Wings (AREA)
- Lock And Its Accessories (AREA)
Abstract
The invention discloses an anti-theft chain device, which comprises a hinge seat and a fixed seat, wherein the upper end of a vertical plate in the hinge seat is hinged with a first connecting plate, one end of the first connecting plate, which is far away from the hinge seat, is hinged with a second connecting plate, the lower end surface of the second connecting plate, which is far away from the end of the first connecting plate, is provided with an inserting sleeve, a groove is arranged in the fixed seat, the side wall of the inserting sleeve is at least provided with two bolt mechanisms, the inner peripheral wall of the groove is provided with an annular slot, a push rod is penetrated in the second connecting plate in a vertically sliding manner, the lower end of the inserting sleeve is in threaded connection with a sealing cover, a resetting mechanism is arranged between the; compared with the traditional anti-theft chain device, the anti-theft chain device improves the anti-theft effect.
Description
Technical Field
The invention belongs to the technical field of anti-theft devices, and relates to an anti-theft chain device.
Background
At present, generally all install the anti-theft chain device on the door of hotel, install the anti-theft chain device on the door of hotel at present generally including first fixing base and second fixing base, first fixing base is fixed on the door frame, the second fixing base is fixed on the door body, fixedly connected with chain on the first fixing base, the one end that first fixing base was kept away from to the chain is provided with the hasp, then be provided with on the second fixing base and be used for the locked groove with hasp cooperation locking, but this kind of anti-theft chain is when using, in order to make the hasp enter into the locked groove, the length of chain is generally longer, after the lock is pried open, because the length of chain is longer, so, the door still can be opened certain angle, thereby lawless person still can abolish the anti-theft chain device, there is great potential safety hazard.
Disclosure of Invention
In order to solve the problems, the invention designs the anti-theft chain device, when the anti-theft chain device is used, the hinged seat is fixed with the door frame, and after the fixed seat is fixed with the door body, the inserting sleeve on the second connecting plate can be just inserted into the groove of the fixed seat, so that the first connecting plate and the second connecting plate between the hinged seat and the inserting sleeve do not have redundant length to be opened by the room door, and compared with the traditional anti-theft chain device, the anti-theft chain device improves the anti-theft effect.
The purpose of the invention is realized as follows:
the invention relates to an anti-theft chain device, which comprises a hinged seat used for being fixed with a door frame and a fixed seat used for being fixed with a door body, wherein the upper end of a vertical plate in the hinged seat is hinged with a first connecting plate, one end of the first connecting plate far away from the hinged seat is hinged with a second connecting plate, the lower end surface of one end of the second connecting plate far away from the first connecting plate is provided with an inserting sleeve, a groove for inserting the inserting sleeve is arranged in the fixed seat, the side wall of the inserting sleeve is provided with at least two bolt mechanisms which are uniformly distributed along the circumferential direction of the inserting sleeve, the inner circumferential wall of the groove is provided with an annular inserting groove which can be matched and locked with the bolt mechanisms, a push rod used for driving the bolt mechanisms to lock or unlock the bolt mechanisms and the annular inserting groove is penetrated in the second connecting plate in a vertical sliding way, the lower end of the inserting sleeve is in threaded connection, the upper end face of the second connecting plate is provided with a locking mechanism used for locking the push rod after the push rod moves downwards, the locking mechanism comprises a sliding block, two guide columns and a pair of stand columns arranged on the upper end face of the second connecting plate, the two guide columns movably penetrate through one of the stand columns and then are in threaded connection with the other stand column, the sliding block is slidably connected onto the guide columns between the two stand columns, the end face, facing one side of the push rod, of the sliding block is provided with a clamping hook used for being clamped with a pushing disc at the upper end of the push rod, the end face, facing one side of the push rod, of the clamping hook is provided with a slope which can be matched and guided with the pushing disc so as to facilitate the clamping hook to be clamped onto the pushing disc, the guide columns are sleeved with third springs used for pushing the sliding block so as to enable the clamping.
The anti-theft chain device comprises a bolt mechanism, a sliding groove, an annular boss, an end cover, an annular limiting groove, an inclined plane and a locking mechanism, wherein the sliding groove is arranged on the side wall of an inserting sleeve, an inserting rod is slidably arranged in the sliding groove in a penetrating manner, the annular boss which can be matched with the sliding groove to slide is arranged on the outer peripheral wall of the inserting rod in the sliding groove, the end cover is connected with the outer end part of the sliding groove in a threaded manner and used for blocking the annular boss so as to prevent the inserting rod from being separated from the sliding groove, the outer end part of the inserting rod movably penetrates through the end cover and then is inserted into the annular slot, a first spring used for driving the annular boss and the inserting rod to move is sleeved outside the inserting rod between the end cover and the annular boss, the outer peripheral wall of a push rod positioned inside the inserting sleeve is provided with the annular limiting groove, the inner end part of the inserting rod movably penetrates through the, the inclined plane is closely attached to the inner side wall of the annular limiting groove; after adopting this kind of structure, when the push rod moves down, the inserted bar is under the effect of first spring, the inclined plane slides with the cooperation of annular spacing groove, the inserted bar withdraws from annular slot gradually, when the inserted bar slides to the topmost in annular spacing groove, the inserted bar withdraws from completely in the annular slot, realized the unblock to plug bush and fixing base, when the push rod upward movement, the inclined plane slides with the cooperation of annular spacing groove, first spring was compressed this moment, the inserted bar inserts gradually in the annular slot, thereby realized the locking to plug bush and fixing base.
The anti-theft chain device comprises a pair of convex blocks arranged on the outer peripheral wall of an annular boss, and a pair of slide ways which can respectively slide in a matching way with one of the convex blocks are arranged on the inner wall of a slide groove; after adopting this kind of structure, can realize spacing to the circumference of inserted bar, so, can avoid the inserted bar to appear circumferential direction's phenomenon.
The anti-theft chain device comprises an annular slot, an annular guide surface and a locking pin, wherein the annular slot is provided with a locking pin; through the setting of annular spigot, the inserted bar can conveniently insert in the slot.
According to the anti-theft chain device, the upper side wall and the lower side wall of the opening end of the annular slot are respectively provided with an arc-shaped surface which can be matched with the outer end part of the inserted rod to guide so as to facilitate the inserted rod to be inserted into the annular slot; through the setting of arcwall face, the inserted bar can conveniently insert in the annular slot.
The anti-theft chain device comprises a reset mechanism, a first spring, a second spring, a first blind hole and a second blind hole, wherein the second spring is positioned between a sealing cover and a push rod; by adopting the structure, the second spring can reliably push the push rod upwards to reset the push rod.
The anti-theft chain device comprises a sealing cover, wherein the outer side wall of the lower end of the sealing cover is provided with an annular fillet surface which can be matched and guided with the inner side wall of a groove; by adopting such a structure, the end cap can enter the groove more conveniently.
The invention relates to an anti-theft chain device, wherein a plurality of reinforcing blocks are fixed between two sides of a vertical plate in a hinged seat and a bottom plate of the hinged seat; through the setting of boss, can improve the structural strength between riser and the bottom plate.
The anti-theft chain device comprises a hinge seat, a fixed seat and a plurality of first bolt holes, wherein the hinge seat is provided with a bottom plate; through the setting of first bolt hole, can conveniently fix articulated seat on the door frame through the bolt, through the setting of second bolt hole, can conveniently fix the fixing base on the door body.
By adopting the structure, when the anti-theft chain device is used, the hinge seat is fixed with the door frame, and the plug bush on the second connecting plate can be just inserted into the groove of the fixing seat after the fixing seat is fixed with the door body, so that the first connecting plate and the second connecting plate between the hinge seat and the plug bush have no redundant length for opening the door, and the anti-theft effect is improved compared with the traditional anti-theft chain device.
Drawings
FIG. 1 is a schematic view, partly in section, of the present invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1;
FIG. 3 is an enlarged view of the structure at B in FIG. 1;
fig. 4 is a schematic top view of the present invention.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
An anti-theft chain device comprises a hinged seat 1 for being fixed with a door frame and a fixed seat 2 for being fixed with a door body, wherein the upper end of a vertical plate 11 in the hinged seat 1 is hinged with a first connecting plate 3, one end of the first connecting plate 3, which is far away from the hinged seat 1, is hinged with a second connecting plate 4, the lower end surface of one end of the second connecting plate 4, which is far away from the first connecting plate 3, is provided with an inserting sleeve 41, a groove 21 for inserting the inserting sleeve 41 is arranged in the fixed seat 2, the side wall of the inserting sleeve 41 is at least provided with two bolt mechanisms which are uniformly distributed along the circumferential direction of the inserting sleeve 41, an annular slot 22 which can be matched and locked with the bolt mechanisms is arranged on the inner circumferential wall of the groove 21, a push rod 5 for driving the bolt mechanisms to be locked or unlocked with the annular slot 22 can be penetrated and vertically slidably in the second connecting plate 4, the lower end of the inserting sleeve 41 is in threaded connection with a sealing cover 42, a resetting mechanism, the upper end surface of the second connecting plate 4 is provided with a locking mechanism which is used for locking the push rod 5 after the push rod 5 moves downwards, the locking mechanism comprises a slide block 61, the two guide posts 62 and the pair of upright posts 43 arranged on the upper end surface of the second connecting plate 4, the two guide posts 62 movably penetrate one of the upright posts 43 and then are in threaded connection with the other upright post 43, the sliding block 61 is slidably connected on the guide post 62 between the two upright posts 43, the end surface of the sliding block 61 facing one side of the push rod 5 is provided with a hook 611 used for being matched and clamped with the push disc 51 at the upper end of the push rod 5, the end surface of the hook 611 facing one side of the push rod 5 is provided with a slope 612 capable of being matched and guided with the push disc 51 to facilitate the hook 611 to be clamped on the push disc 51, the guide post 62 is sleeved with a third spring 63 used for pushing the sliding block 61 to enable the hook 611 to be matched and clamped with the push disc 51, and the upper end surface of the sliding block 61 is provided with a; the bolt mechanism comprises a sliding groove 44 positioned on the side wall of the insert sleeve 41, an insert rod 71 is slidably arranged in the sliding groove 44 in a penetrating manner, an annular boss 711 which can be matched with the sliding groove 44 to slide is arranged on the outer peripheral wall of the insert rod 71 positioned in the sliding groove 44, an end cover 72 which is used for blocking the annular boss 711 to prevent the insert rod 71 from separating from the sliding groove 44 is connected at the outer end part of the sliding groove 44 in a threaded manner, the outer end part of the insert rod 71 movably penetrates through the end cover 72 and then is inserted into the annular slot 22, a first spring 73 which is used for driving the annular boss 711 and the insert rod 71 to move so as to enable the insert rod 71 to separate from the annular slot 22 is sleeved outside the insert rod 71 between the end cover 72 and the annular boss 711, an annular limiting groove 52 is arranged on the outer peripheral wall of the push rod 5 positioned in the insert sleeve 41, the inner end part of the insert rod 71, an inclined plane 712 which can be matched with the inner side wall of the annular limiting groove 52 to slide is arranged on the inner end part of the inserted rod 71, and the inclined plane 712 is tightly attached to the inner side wall of the annular limiting groove 52; by adopting the structure, when the push rod moves downwards, the inclined plane and the annular limiting groove are matched and slide under the action of the first spring, the inserted rod gradually withdraws from the annular slot, when the inserted rod slides to the topmost part of the annular limiting groove, the inserted rod is completely withdrawn from the annular slot, the unlocking of the insert sleeve and the fixed seat is realized, when the push rod moves upwards, the inclined plane and the annular limiting groove are matched and slide, at the moment, the first spring is compressed, and the inserted rod is gradually inserted into the annular slot, so that the locking of the insert sleeve and the fixed seat is realized; a pair of convex blocks 713 are arranged on the outer peripheral wall of the annular boss 711, and a pair of slide ways 45 which can respectively slide in a matching way with one convex block 713 are arranged on the inner wall of the slide groove 44; by adopting the structure, the circumferential limit of the inserted rod can be realized, so that the phenomenon of circumferential rotation of the inserted rod can be avoided; the outer end part of the insert rod 71 is provided with an annular guide surface 714 which can be matched with the inner wall of the annular slot 22 for guiding so as to facilitate the insert rod 71 to be inserted into the annular slot 22; through the arrangement of the annular guide surface, the inserted rod can be conveniently inserted into the slot; the upper side wall and the lower side wall of the opening end of the annular slot 22 are respectively provided with an arc-shaped surface 23 which can be matched with the outer end part of the inserted rod 71 for guiding so as to facilitate the inserted rod 71 to be inserted into the annular slot 22; through the arrangement of the arc-shaped surface, the inserted rod can be conveniently inserted into the annular slot; the reset mechanism comprises a second spring 8 positioned between the sealing cover 42 and the push rod 5, the lower end of the push rod 5 is provided with a first blind hole 53 into which the upper end part of the second spring 8 can be inserted, and the upper end surface of the sealing cover 42 is provided with a second blind hole 46 into which the lower end part of the second spring 8 can be inserted; (ii) a The elasticity of the second spring is larger than that of the first spring; by adopting the structure, the second spring can reliably push the push rod upwards to reset the push rod; the outer side wall of the lower end of the sealing cover 42 is provided with an annular fillet surface 47 which can be matched and guided with the inner side wall of the groove 21; by adopting the structure, the end cover can enter the groove more conveniently; a plurality of reinforcing blocks 13 are fixed between two sides of a vertical plate 11 in the hinge seat 1 and a bottom plate 12 of the hinge seat 1; the structural strength between the vertical plate and the bottom plate can be improved through the arrangement of the reinforcing blocks; a plurality of first bolt holes 14 are formed in a bottom plate 12 of the hinge base 1, and a plurality of second bolt holes 24 are formed in the fixing base 2; through the arrangement of the first bolt hole, the hinge seat can be conveniently fixed on the door frame through the bolt, and through the arrangement of the second bolt hole, the fixed seat can be conveniently fixed on the door body; when the hinge seat is used, the hinge seat is fixed with the door frame through the bolt, and the fixed seat is fixed with the door body through the bolt; the working principle of the invention is as follows: when the second connecting plate and the fixed seat need to be unlocked, the push disc is pressed downwards, the push disc is guided by matching with a slope surface on the slide block after being pressed downwards, the slide block moves rightwards, when the push disc moves below the clamping hook, the slide block is pushed by a third spring, the clamping hook is clamped on the upper end surface of the push disc, at the moment, the push rod is pressed downwards, the inserted rod is gradually withdrawn from the annular slot under the action of the first spring and the matching sliding action of the inclined surface and the annular limiting groove after the push rod is pressed downwards, the unlocking of the second connecting plate and the fixed seat is realized, then the first connecting plate and the second connecting plate are rotated open, and the door can be opened; when needs are locked second connecting plate and fixing base, with the thumb embedding sunken in, then pull the slider right and make the pothook break away from the pushing disk, under the effect of second spring and push rod, the push rod rebound, and under inclined plane and the gliding effect of annular spacing groove cooperation, first spring is compressed, and the inserted bar inserts gradually in the annular slot, has realized the locking to second connecting plate and fixing base promptly.
It should be noted that, in the above embodiments, as long as the technical solutions can be aligned and combined without contradiction, those skilled in the art can exhaust all possibilities according to the mathematical knowledge of the alignment and combination, and therefore, the invention does not describe the technical solutions after alignment and combination one by one, but it should be understood that the technical solutions after alignment and combination have been disclosed by the invention.
It should be noted that the above list is only one specific embodiment of the present invention. It is obvious that the invention is not limited to the above embodiments, but that many variations are possible.
In general, all modifications that can be derived or suggested by those skilled in the art from the disclosure herein are intended to be included within the scope of the invention.
Claims (9)
1. An anti-theft chain device, characterized in that: comprises a hinged seat (1) fixed with a door frame and a fixed seat (2) fixed with a door body, wherein the upper end of a vertical plate (11) in the hinged seat (1) is hinged with a first connecting plate (3), one end of the first connecting plate (3) far away from the hinged seat (1) is hinged with a second connecting plate (4), the lower end face of one end of the second connecting plate (4) far away from the first connecting plate (3) is provided with an inserting sleeve (41), a groove (21) for the inserting of the inserting sleeve (41) is arranged in the fixed seat (2), the side wall of the inserting sleeve (41) is at least provided with two bolt mechanisms uniformly distributed along the circumferential direction of the inserting sleeve (41), the inner peripheral wall of the groove (21) is provided with an annular slot (22) matched and locked with the bolt mechanisms, a push rod (5) used for driving the bolt mechanisms to lock or unlock the bolt mechanisms and the annular slot (22) is penetrated in the second connecting plate (4) in a vertical sliding manner, the lower end of the insert sleeve (41) is in threaded connection with a sealing cover (42), a reset mechanism which is used for driving the push rod (5) to reset after the push rod (5) moves downwards is arranged between the push rod (5) and the sealing cover (42), a locking mechanism which is used for locking the push rod (5) after the push rod (5) moves downwards is arranged on the upper end face of the second connecting plate (4), the locking mechanism comprises a sliding block (61), two guide columns (62) and a pair of upright columns (43) arranged on the upper end face of the second connecting plate (4), the two guide columns (62) movably penetrate through one upright column (43) and then are in threaded connection with the other upright column (43), the sliding block (61) is slidably connected on the guide columns (62) between the two upright columns (43), and a clamping hook (611) which is used for being matched and clamped with a push disc (51) at the upper end of the push rod (5) is arranged on the end face of the sliding block (61, the end surface of one side of the clamping hook (611) facing the push rod (5) is provided with a slope (612) which can be matched with the push disc (51) to guide the clamping hook (611) to be conveniently clamped on the push disc (51), the guide post (62) is sleeved with a third spring (63) which is used for pushing the sliding block (61) to enable the clamping hook (611) to be matched and clamped with the push disc (51), and the upper end surface of the sliding block (61) is provided with a recess (613) which can be used for being embedded by fingers to conveniently pull the sliding block (61) to enable the clamping hook (611) to be separated from the push disc (51).
2. The anti-theft chain device according to claim 1, wherein the latch mechanism comprises a sliding groove (44) located on the side wall of the insert sleeve (41), an insert rod (71) is slidably arranged in the sliding groove (44), an annular boss (711) which can slide in a matching manner with the sliding groove (44) is arranged on the outer peripheral wall of the insert rod (71) located in the sliding groove (44), an end cover (72) for blocking the annular boss (711) to prevent the insert rod (71) from separating from the sliding groove (44) is connected at the outer end part of the sliding groove (44) in a threaded manner, the outer end part of the insert rod (71) movably penetrates through the end cover (72) and then is inserted into the annular insert groove (22), a first spring (73) for driving the annular boss (711) and the insert rod (71) to move to enable the insert rod (71) to separate from the annular insert groove (22) is sleeved outside the insert rod (71) between the end cover (72) and the annular boss (711, the outer peripheral wall of the push rod (5) located inside the plug bush (41) is provided with an annular limiting groove (52), the inner end portion of the plug rod (71) movably penetrates through the plug bush (41) and then is inserted into the annular limiting groove (52), the inner side wall of the annular limiting groove (52) gradually shrinks inwards from bottom to top, the inner end portion of the plug rod (71) is provided with an inclined surface (712) capable of sliding in a matched mode with the inner side wall of the annular limiting groove (52), and the inclined surface (712) is tightly attached to the inner side wall of the annular limiting groove (52).
3. The anti-theft chain device according to claim 2, characterized in that the outer peripheral wall of the annular boss (711) is provided with a pair of projections (713), and the inner wall of the sliding groove (44) is provided with a pair of slide ways (45) which can respectively match with one of the projections (713) for sliding.
4. Anti-theft chain device according to claim 2 or 3, characterized in that the outer end of the insert rod (71) is provided with an annular guide surface (714) which can be guided in cooperation with the inner wall of the annular slot (22) to facilitate the insertion of the insert rod (71) into the annular slot (22).
5. The antitheft chain device according to claim 2 or 3, characterized in that the upper side wall and the lower side wall of the opening end of the annular slot (22) are provided with arc-shaped surfaces (23) which can be matched with the outer end of the insert rod (71) for guiding so as to facilitate the insert rod (71) to be inserted into the annular slot (22).
6. Anti-theft chain device according to claim 1, characterized in that the return means comprise a second spring (8) located between the cover (42) and the push rod (5), the lower end of the push rod (5) being provided with a first blind hole (53) in which the upper end portion of the second spring (8) can be inserted, the upper end face of the cover (42) being provided with a second blind hole (46) in which the lower end portion of the second spring (8) can be inserted.
7. Anti-theft chain device according to claim 1, characterized in that the outer side wall of the lower end of the cover (42) is provided with an annular fillet (47) which can be guided in cooperation with the inner side wall of the groove (21).
8. Anti-theft chain device according to claim 1, characterized in that several reinforcing blocks (13) are fixed between the two sides of the riser (11) in the hinge seat (1) and the bottom plate (12) of the hinge seat (1).
9. Anti-theft chain device according to claim 1, characterized in that the base plate (12) of the hinge seat (1) is provided with a number of first bolt holes (14) and the fixing seat (2) is provided with a number of second bolt holes (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810680635.9A CN110318616B (en) | 2018-06-27 | 2018-06-27 | Anti-theft chain device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810680635.9A CN110318616B (en) | 2018-06-27 | 2018-06-27 | Anti-theft chain device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110318616A CN110318616A (en) | 2019-10-11 |
| CN110318616B true CN110318616B (en) | 2020-12-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810680635.9A Active CN110318616B (en) | 2018-06-27 | 2018-06-27 | Anti-theft chain device |
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| Country | Link |
|---|---|
| CN (1) | CN110318616B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6145351A (en) * | 1999-06-18 | 2000-11-14 | The Brooke-Duveen Group, Ltd. | Perimeter security system with improved Z-bar lock for maximum degree of mechanical and electronic protection |
| CN202370336U (en) * | 2011-12-17 | 2012-08-08 | 李国星 | Antitheft device for household door |
| CN102791945A (en) * | 2010-05-28 | 2012-11-21 | 戈登·C·唐 | Easily installed and non-defacing security latch |
| FR2914001B1 (en) * | 2007-03-22 | 2012-12-14 | Tordo Belgrano Sa | LOCKING SYSTEM FOR SPANISH |
| CN206035163U (en) * | 2016-09-20 | 2017-03-22 | 王子凡 | Cover keeper |
| CN206458238U (en) * | 2017-01-24 | 2017-09-01 | 张卫 | Guarding against theft type projecting top-hung window |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE525121C2 (en) * | 2003-03-20 | 2004-12-07 | Roland Svensson | Security |
-
2018
- 2018-06-27 CN CN201810680635.9A patent/CN110318616B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6145351A (en) * | 1999-06-18 | 2000-11-14 | The Brooke-Duveen Group, Ltd. | Perimeter security system with improved Z-bar lock for maximum degree of mechanical and electronic protection |
| FR2914001B1 (en) * | 2007-03-22 | 2012-12-14 | Tordo Belgrano Sa | LOCKING SYSTEM FOR SPANISH |
| CN102791945A (en) * | 2010-05-28 | 2012-11-21 | 戈登·C·唐 | Easily installed and non-defacing security latch |
| CN202370336U (en) * | 2011-12-17 | 2012-08-08 | 李国星 | Antitheft device for household door |
| CN206035163U (en) * | 2016-09-20 | 2017-03-22 | 王子凡 | Cover keeper |
| CN206458238U (en) * | 2017-01-24 | 2017-09-01 | 张卫 | Guarding against theft type projecting top-hung window |
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| Publication number | Publication date |
|---|---|
| CN110318616A (en) | 2019-10-11 |
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Effective date of registration: 20201113 Address after: 313000 1-D, building 1, No. 656 Qixing Road, high tech Zone, Wuxing District, Huzhou City, Zhejiang Province Applicant after: Huzhou Dali Intelligent Equipment Manufacturing Co.,Ltd. Address before: 315000 54 households in Xiayangdun Village, Shipu Town, Xiangshan County, Ningbo City, Zhejiang Province Applicant before: Xu Jiacheng |
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Denomination of invention: An anti-theft chain device Effective date of registration: 20211222 Granted publication date: 20201201 Pledgee: Huzhou Wuxing Rural Commercial Bank Co.,Ltd. high tech Zone Green sub branch Pledgor: Huzhou Dali Intelligent Equipment Manufacturing Co.,Ltd. Registration number: Y2021330002600 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230912 Granted publication date: 20201201 Pledgee: Huzhou Wuxing Rural Commercial Bank Co.,Ltd. high tech Zone Green sub branch Pledgor: Huzhou Dali Intelligent Equipment Manufacturing Co.,Ltd. Registration number: Y2021330002600 |