CN103556883B - A kind of Novel protective door fence lock - Google Patents
A kind of Novel protective door fence lock Download PDFInfo
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- CN103556883B CN103556883B CN201310386018.5A CN201310386018A CN103556883B CN 103556883 B CN103556883 B CN 103556883B CN 201310386018 A CN201310386018 A CN 201310386018A CN 103556883 B CN103556883 B CN 103556883B
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- lock
- lock pin
- snap close
- lock housing
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Abstract
The invention belongs to Men Lan field, be specifically related to a kind of safer Novel protective door fence lock.Comprise cooperatively interact there is the lock of lockhole and have the locker of lock pin, locker comprises snap close frame for a hurdle that is connected, in snap close frame front end and can rotate on gravity face carry out unblanking latch components, be sheathed on lock housing that snap close frame also can slide up and down relative to snap close frame and be arranged between snap close frame and lock housing and rotate for controlling the upper and lower slide strips pendulum lock pin of lock housing the drive disk assembly carrying out locking or unblanking up or down, also be provided with lock housing reset components and lock pin reset components in lock housing, latch components comprises lock pin link and lock pin.The present invention is Dual-safety lock, namely again lock housing is pressed down after pressing the button, lock housing slide downward band pendulum lock pin rotates to deviate to unblank from lockhole, this Dual-safety lock only needs an autograph letter single operation to complete, easy to operate, unblank, lock simple, smooth and easy, this Dual-safety lock safety is good.
Description
Technical field
The invention belongs to Men Lan field, be specifically related to a kind of safer Novel protective door fence lock.
Background technology
Existing protective door sill generally just can be opened by an operational motion, in use children are easy to open by mistake or learn how to open, cause such protective door sill safety not good, adult not time child may oneself open a hurdle and there is very large potential safety hazard, some are now also had to be the Dual-safety lock avoiding by mistake opening a hurdle, as publication number a kind of locking device for safety door disclosed in 2423362, comprise one and be fixedly arranged on lock on baffler, one group is installed by pressure handle in lock, the snap close group of the first snap close piece and torque spring composition, and the swing handle of one group of block of being pulled by tool eccentric pushing, the snap close group of the second snap close piece and spring composition, designed by the locking of two snap close groups, locking device can be prevented by false touch in opening, but this hurdle lock construction is complicated, to unblank trouble.
Summary of the invention
The object of the invention is for the deficiencies in the prior art part, a kind of convenient and safer Novel protective door fence lock of unblanking is provided
Above-mentioned technical purpose of the present invention is achieved by the following technical programs:
A kind of Novel protective door fence lock, comprise cooperatively interact there is the lock of lockhole and have the locker of lock pin, described locker comprises the snap close frame for a hurdle that is connected, be positioned at snap close frame front end and the latch components of carrying out unblanking can be rotated on gravity face, to be sheathed on snap close frame and the lock housing that can slide up and down relative to snap close frame and be arranged between snap close frame and lock housing and rotate for controlling the upper and lower slide strips pendulum lock pin of lock housing the drive disk assembly carrying out locking or unblanking up or down, lock housing reset components and lock pin reset components is also provided with in described lock housing, described latch components comprises lock pin link and is positioned at lock pin link front end and inserts the lock pin of lockhole.
Mode of operation of the present invention lock housing is pressed down after handling biography portion parts again, and lock housing slide downward band pendulum lock pin rotates to deviate to unblank from lockhole, and when not applying external force, lock housing and lock pin reset under the effect of reset components.
As preferably, described lockhole is positioned at bottom described lock and lockhole bottom is uncovered, described lock pin link rear end is articulated with on described snap close frame, described lock pin be positioned at lock pin link front lower portion and by lock pin link upwards rotating band pendulum lock pin proceed to described lockhole from bottom to top.
Lockhole can be arranged in the middle part of lock or bottom, only the length of lockhole need be reached the scope that enough key rotation deviate from lockhole when being located in the middle part of lock, when lockhole is positioned at bottom lock, can directly by uncovered for lockhole bottom, lock pin be deviate from from open-mouth as above-mentioned, which operates, it is more convenient to process, and is not easy to block.
As preferably, described snap close frame front lower portion is provided with installation cavity, described lock pin link is arranged in described installation cavity, and lock pin link upper rear end is provided with the jointed shaft be articulated with on the wall of installation cavity chamber, and described lock pin link rear end lower is provided with lock pin reset components.
Can carry out rotating centered by jointed shaft thus realize unblanking when being made by the setting of jointed shaft the lock pin being positioned at front end be pressed down under lock housing drives.
As preferably, described lock pin reset components be obliquely installed and two ends are against the lock pin back-moving spring on lock pin link and installation cavity inwall respectively.
Lock pin link rotates backward downwards and compresses lock pin back-moving spring simultaneously centered by jointed shaft, therefore lock pin back-moving spring is obliquely installed and promotes forward lock pin link obliquely and resets, better reduction.
As preferably, the bottom of described installation cavity chamber wall is provided with stopper slot, and in the middle part of described lock pin link, both sides are provided with the limit shaft coordinated with stopper slot.
Limit shaft is located in stopper slot, has carried out supporting and spacing by the cooperation of limit shaft, jointed shaft and back-moving spring to lock pin link, and can only forward at most till limit shaft is against on stopper slot when lock pin link upwards resets.
As preferably, described lock housing comprises two symmetrically arranged side caps and a front coverboard of splicing mutually, be provided with for passing lock pin and top is pressed in the pin-and-hole on lock pin bottom described front coverboard, bottom described front coverboard, rear end is also provided with the rotation guide slot of rotating up and down for holding latch components, and rotation guide slot rear end is provided with spacing junction plate; Described side cap is provided with button pass through hole, described snap close frame both sides are vertically provided with chute, described side cap inner surface is provided with the adaptive spacing slide bar that also can slide up and down along chute with chute, limit support board is provided with in the middle part of the cap inner surface of side, limit support board top is butted on snap close frame bottom, described installation cavity front end is provided with lock housing stopper slot, and described lock housing front end is provided with to shell internal projection and the lock housing locating part that can move up and down in lock housing stopper slot.
When not applying external force, spacing slide bar upper end is against that chute groove is very useful to be positioned lock housing in support lock housing.
As preferably, described drive disk assembly comprises button assembly and is arranged at the positioning strip on snap close frame, described button assembly comprises and passes button pass through hole and bottom is stuck in button on button pass through hole, is fixed on keep plate inside button, described keep plate bottom is against on positioning strip, described keep plate medial surface is parallel with corresponding snap close frame frame plate face, lateral surface is intilted inclined plane, and be also provided with spacing rank in the middle part of medial surface, described keep plate lateral surface is provided with push-button reset spring, and described push-button reset outer spring end is against on the cap sidewall of side.
By spacing slide bar, limit support board and locating part three and snap close frame coordinate and keep plate can be spacing on snap close frame by demand with the lock housing making to be assembled into by front coverboard and side cap that coordinates of positioning strip, when not applying external force, lock housing can not tilt, glides or overturn, and also makes lock housing also can only slide up and down when stressed unblanking simultaneously.
When not applying external force, lock housing location to be pressed on positioning strip primarily of keep plate thus the power that lock housing is upwards supported makes it glide, when applying external force and pressing the button, a fulcrum is formed because button bottom snaps onto in lock housing, so only have the introversion of button top, thus make keep plate bottom to turning up, keep plate is no longer against on positioning strip, lock housing just loses limited support power upwards, again by subordinate pressure lock housing, lock housing slide downward, the lock pin being arranged in lock housing front end is driven and rotates and deviate from from lockhole.Be against on positioning strip when lock housing is depressed into spacing rank, lock housing stops gliding immediately, the controlled lockmaking shell of design on spacing rank presses down the slewing area of scope and lock pin, guarantee that reset components is not easily damaged by pressure, very fast, the better reduction of resetting and not easily stuck, avoids lock housing and excessively to be pressed down or lock pin inordinate rotation causes lock housing or lock pin resetting time is long or reset difficulty or the phenomenon such as stuck.
As preferably, along being provided with the engaging portion raised up at the bottom of described button pass through hole hole, be provided with the snapping hole for inserting engaging portion between described button and keep plate, described engaging portion is less than described snapping hole.
If during design, snapping hole is suppressed engaging portion and rotated and cause engaging portion often by exertin and easily damaging when the complete adaptation of engaging portion can cause snapping hole to be rotated with button, and can affect the slewing area of keep plate, impact is unblanked effect.So snapping hole need slightly larger than engaging portion, when button is pressed, the deflection producing relative position slightly with engaging portion is rotated in snapping hole, stress point between engaging portion and snapping hole only plays the point action of rolling brake plate, and engaging portion is not fragile yet, uses the conjunction life-span longer.
As preferably, described keep plate medial surface and described snap close frame frame plate face are affixed, and keep plate medial surface top is provided with the arcuate rotation supporting section extended to ammonium button side, described button top inner side is provided with and raises up and the button limited block be against on lock housing inner surface.Button limited block can prevent button top from outwards routing up lock housing.
Keep plate medial surface and described snap close frame frame plate face are affixed, when button is pressed, keep plate can the contact position in engaging portion and snapping hole be not only fulcrum, can also with arcuate rotation supporting section for fulcrum rotates, good position-limiting action is also played to button and keep plate simultaneously, prevent button assembly inordinate rotation, not easily reset, easily damage position.If keep plate top adopts pointed design, in use, be easy to stuck when wedge angle contacts with snap close frame frame plate face, and fragile snap close frame frame plate face, the arcuate rotation supporting section process that can ensure to unblank and lock is smooth and easy, not stuck, and parts do not damage, and life is long.
As preferably, described snap close frame comprises a hurdle linkage section and is fixed on an installing rack for linkage section front end, hurdle, described lock housing is sheathed on described installing rack, described lock housing reset components is the lock housing back-moving spring being arranged at described installing rack top, top, described installing rack rear portion is provided with the mount pad of indent, described lock housing back-moving spring is arranged in described mount pad, and top is against on the cap roof of side.
When removing after unblanking locker externally applied forces, lock housing is pushed upwardly under the effect of lock housing back-moving spring, keep plate bottom under the effect of push-button reset spring by inside back pressure, when lock housing goes back up to certain position, keep plate bottom is against on positioning strip again, spacing slide bar upper end is against chute groove top, limit support board top is butted on snap close frame bottom, lock housing locating part upper end is against lock housing stopper slot groove top, thus lock housing is resetted and locates, simultaneously lock pin back-moving spring carries out reset to lock pin link and lock is locked upwards proceed to realization in lockhole to automatically reset to lock.
In sum, the present invention has following beneficial effect:
1, the present invention is Dual-safety lock, namely again lock housing is pressed down after pressing the button, lock housing slide downward band pendulum lock pin rotates to deviate to unblank from lockhole, this Dual-safety lock only needs an autograph letter single operation to complete, easy to operate, unblank, lock simple, smooth and easy, this Dual-safety lock safety is good.
2, structure of the present invention is simple, and cost is low, easy for installation.
3, to lock each assembling parts ingenious, not easily stuck on Ben Men hurdle, and not fragile, maintenance rate is low, long service life.
Accompanying drawing explanation
Fig. 1 is lock and locker fit structure schematic diagram;
Fig. 2 is locker schematic internal view;
Fig. 3 is snap close shelf structure schematic diagram;
Fig. 4 is base structure schematic diagram;
Fig. 5 is latch components structural representation;
Fig. 6 is side shell cover structure schematic diagram;
Fig. 7 is button assembly structural representation;
Fig. 8 is fore shell plated construction schematic diagram.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in further detail.
This specific embodiment is only explanation of the invention; it is not limitation of the present invention; those skilled in the art can make to the present embodiment the amendment not having creative contribution as required after reading this manual, as long as but be all subject to the protection of Patent Law in right of the present invention.
Embodiment:
A kind of Novel protective door fence lock, comprise the lock 1 with lockhole 11 and the locker with lock pin 41 that cooperatively interact, locker comprises the snap close frame 2 for a hurdle that is connected, be positioned at snap close frame 2 front end and the latch components of carrying out unblanking can be rotated on gravity face, to be sheathed on snap close frame 2 and the lock housing 3 that can slide up and down relative to snap close frame 2 and be arranged between snap close frame 2 and lock housing 3 and rotate for controlling lock housing about 3 slide strips pendulum lock pin 41 drive disk assembly carrying out locking or unblanking up or down, lock housing reset components and lock pin reset components is also provided with in lock housing 3, latch components comprises lock pin link 4 and is positioned at lock pin link 4 front end and inserts the lock pin 41 of lockhole 11.
Lockhole 11 is positioned at bottom lock and lockhole 11 bottom is uncovered, and lock pin link 4 rear end is articulated with on snap close frame 2, lock pin 41 be positioned at lock pin link 4 front lower portion and by lock pin link 4 upwards rotating band pendulum lock pin 41 proceed to described lockhole 11 from bottom to top.
Snap close frame 2 front lower portion is provided with installation cavity 21, and lock pin link 4 is arranged in installation cavity 21, and lock pin link 4 upper rear end is provided with the jointed shaft 42 be articulated with on the wall of installation cavity 21 chamber, and lock pin link 4 rear end lower is provided with lock pin reset components.
Lock pin reset components be obliquely installed and two ends are against the lock pin back-moving spring 43 on lock pin link and installation cavity 21 inwall respectively.
The bottom of installation cavity 21 chamber wall is provided with stopper slot 23, and in the middle part of lock pin link 4, both sides are provided with the limit shaft 44 coordinated with stopper slot 23.Limit shaft can rotate up and down in stopper slot.
Lock housing 3 comprises two symmetrically arranged side caps 31 and a front coverboard 32 of splicing mutually, side cap comprises sidewall, roof and antetheca, be provided with for passing lock pin 41 and top is pressed in the pin-and-hole 33 on lock pin 41 bottom front coverboard 32 and antetheca, bottom front coverboard 32, rear end is also provided with the rotation guide slot 34 of rotating up and down for holding latch components, and rotation guide slot rear end is provided with spacing junction plate 35, side cap 31 is provided with button pass through hole 311, through hole is oval, snap close frame 2 both sides are vertically provided with chute 26, side cap 31 inner surface is provided with the adaptive spacing slide bar 313 that also can slide up and down along chute 26 with chute 26, chute and spacing slide bar two of respectively be arrangeding in parallel for sustained height, limit support board 314 is provided with in the middle part of side cap 31 inner surface, limit support board 314 top is butted on snap close frame 2 bottom, installation cavity 21 front end is provided with lock housing stopper slot 211, lock housing 3 front end is provided with to shell internal projection and the lock housing locating part 36 that can move up and down in lock housing stopper slot 211.Stopper slot height is more than or equal to lock housing and can slide up and down highly.
Drive disk assembly comprises button assembly and is arranged at the positioning strip 22 on snap close frame 2, button assembly comprises and passes button pass through hole 311 bottom and be stuck in button 51 on button pass through hole 311, be fixed on keep plate 52 inside button 51, keep plate 52 bottom is against on positioning strip 22, keep plate 52 medial surface is parallel with corresponding snap close frame 2 frame plate face, lateral surface is intilted inclined plane, and be also provided with spacing rank in the middle part of medial surface, keep plate 52 lateral surface is provided with push-button reset spring 53, and push-button reset spring 53 outer end is against on side cap 31 sidewall.
Along being provided with the engaging portion 312 raised up at the bottom of button pass through hole 311 hole, be provided with the snapping hole 54 for inserting engaging portion 312 between button 51 and keep plate 52, engaging portion is less than snapping hole.
Keep plate 52 medial surface and snap close frame 2 frame plate face are affixed, and keep plate 52 medial surface top is provided with the arcuate rotation supporting section 55 extended to ammonium button 51 side.Button 51 top inner side is provided with and raises up and the button limited block 56 be against on lock housing inner surface.
Snap close frame 2 comprises a hurdle linkage section and is fixed on an installing rack 28 for hurdle linkage section 27 front end, lock housing 3 is sheathed on installing rack, lock housing reset components is the lock housing back-moving spring 25 being arranged at described installing rack top, top, installing rack rear portion is provided with the mount pad 24 of indent, lock housing back-moving spring 25 is arranged in mount pad 24, and top is against on side cap 31 roof.
When applying external force and pressing the button, a fulcrum is formed because button bottom snaps onto in lock housing, so only have the introversion of button top, thus make keep plate bottom to turning up, keep plate is no longer against on positioning strip, and lock housing just loses limited support power upwards, then presses lock housing with subordinate, lock housing slide downward, the lock pin being arranged in lock housing front end is driven to rotate and deviate from realization from lockhole and unblanks.Be against on positioning strip when lock housing is depressed into spacing rank, lock housing stops gliding immediately.
When removing after unblanking locker externally applied forces, lock housing is pushed upwardly under the effect of lock housing back-moving spring 25, keep plate 52 bottom under the effect of push-button reset spring by inside back pressure, when lock housing goes back up to certain position, keep plate bottom is against on positioning strip again, spacing slide bar upper end is against chute groove top, limit support board 314 top is butted on snap close frame 2 bottom, lock housing locating part upper end is against lock housing stopper slot groove top, thus lock housing is resetted and locates, simultaneously lock pin back-moving spring carries out reset to lock pin link and lock is locked upwards proceed to realize in lockhole automatic locking.
Claims (10)
1. a Novel protective door fence lock, comprise the lock (1) with lockhole (11) and the locker with lock pin (41) that cooperatively interact, it is characterized in that: described locker comprises the snap close frame (2) for a hurdle that is connected, be positioned at snap close frame (2) front end and the latch components of carrying out unblanking can be rotated on gravity face, be sheathed on the upper and lock housing (3) that can slide up and down relative to snap close frame (2) of snap close frame (2) and be arranged between snap close frame (2) and lock housing (3) and rotate for controlling the upper and lower slide strips pendulum lock pin (41) of lock housing (3) drive disk assembly carrying out locking or unblanking up or down, lock housing reset components and lock pin reset components is also provided with in described lock housing (3), described latch components comprises lock pin link (4) and is positioned at lock pin link (4) front end and inserts the lock pin (41) of lockhole (11).
2. a kind of Novel protective door fence lock according to claim 1, it is characterized in that: described lockhole (11) is positioned at bottom described lock and lockhole (11) bottom is uncovered, described lock pin link (4) rear end is articulated with on described snap close frame (2), described lock pin (41) be positioned at lock pin link (4) front lower portion and by lock pin link (4) upwards rotating band pendulum lock pin (41) proceed to described lockhole (11) from bottom to top.
3. a kind of Novel protective door fence lock according to claim 2, it is characterized in that: described snap close frame (2) front lower portion is provided with installation cavity (21), described lock pin link (4) is arranged in described installation cavity (21), and lock pin link (4) upper rear end is provided with the jointed shaft (42) be articulated with on the wall of installation cavity (21) chamber, described lock pin link (4) rear end lower is provided with lock pin reset components.
4. a kind of Novel protective door fence lock according to claim 3, is characterized in that: described lock pin reset components be obliquely installed and two ends are against the lock pin back-moving spring (43) on lock pin link and installation cavity (21) inwall respectively.
5. a kind of Novel protective door fence lock according to claim 3, it is characterized in that: the bottom of described installation cavity (21) chamber wall is provided with stopper slot (23), both sides, described lock pin link (4) middle part are provided with the limit shaft (44) coordinated with stopper slot (23).
6. a kind of Novel protective door fence lock according to claim 3, it is characterized in that: described lock housing (3) comprises two symmetrically arranged sides cap (31) and a front coverboard (32) of splicing mutually, described front coverboard (32) bottom is provided with for passing lock pin (41) and top is pressed in the pin-and-hole (33) on lock pin (41), rear end, described front coverboard (32) bottom is also provided with the rotation guide slot (34) of rotating up and down for holding latch components, and rotation guide slot rear end is provided with spacing junction plate (35), described side cap (31) is provided with button pass through hole (311), described snap close frame (2) both sides are vertically provided with chute (26), described side cap (31) inner surface is provided with the adaptive spacing slide bar (313) that also can slide up and down along chute (26) with chute (26), limit support board (314) is provided with in the middle part of side cap (31) inner surface, limit support board (314) top is butted on snap close frame (2) bottom, described installation cavity (21) front end is provided with lock housing stopper slot (211), described lock housing (3) front end is provided with to shell internal projection and the lock housing locating part (36) that can move up and down in lock housing stopper slot (211).
7. a kind of Novel protective door fence lock according to claim 5, it is characterized in that: described drive disk assembly comprises button assembly and is arranged at the positioning strip (22) on snap close frame (2), described button assembly comprises and passes button pass through hole (311) and bottom is stuck in the button (51) on button pass through hole (311), be fixed on the keep plate (52) of button (51) inner side, described keep plate (52) bottom is against on positioning strip (22), described keep plate (52) medial surface is parallel with corresponding snap close frame (2) frame plate face, lateral surface is intilted inclined plane, and be also provided with spacing rank in the middle part of medial surface, described keep plate (52) lateral surface is provided with push-button reset spring (53), described push-button reset spring (53) outer end is against on side cap (31) sidewall.
8. a kind of Novel protective door fence lock according to claim 7, it is characterized in that: along being provided with the engaging portion (312) raised up at the bottom of described button pass through hole (311) hole, be provided with the snapping hole (54) for inserting engaging portion (312) between described button (51) and keep plate (52), described engaging portion is less than described snapping hole.
9. a kind of Novel protective door fence lock according to claim 7, it is characterized in that: described keep plate (52) medial surface and described snap close frame (2) frame plate face are affixed, and keep plate (52) medial surface top is provided with the arcuate rotation supporting section (55) extended to ammonium button (51) side, described button (51) top inner side is provided with and raises up and the button limited block (56) be against on lock housing inner surface.
10. a kind of Novel protective door fence lock according to claim 1, it is characterized in that: described snap close frame (2) comprises a hurdle linkage section (27) and is fixed on the installing rack (28) of hurdle linkage section (27) front end, described lock housing (3) is sheathed on described installing rack, described lock housing reset components is the lock housing back-moving spring (25) being arranged at described installing rack top, top, described installing rack rear portion is provided with the mount pad (24) of indent, described lock housing back-moving spring (25) is arranged in described mount pad (24), and top is against on side cap (31) roof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310386018.5A CN103556883B (en) | 2013-08-30 | 2013-08-30 | A kind of Novel protective door fence lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310386018.5A CN103556883B (en) | 2013-08-30 | 2013-08-30 | A kind of Novel protective door fence lock |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103556883A CN103556883A (en) | 2014-02-05 |
| CN103556883B true CN103556883B (en) | 2016-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310386018.5A Active CN103556883B (en) | 2013-08-30 | 2013-08-30 | A kind of Novel protective door fence lock |
Country Status (1)
| Country | Link |
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| CN (1) | CN103556883B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104343301B (en) * | 2014-08-28 | 2016-08-24 | 浙江鑫博婴童用品有限公司 | A kind of retaining mechanism of monolithic door hurdle lock box |
| CN109025758B (en) * | 2018-08-23 | 2024-06-04 | 浙江丽童家居有限公司 | Safety door fence |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2417259Y (en) * | 2000-03-17 | 2001-01-31 | 郑淑珍 | Safety arrangement for locking door or wings |
| CN2423362Y (en) * | 2000-03-17 | 2001-03-14 | 郑淑珍 | Locking device for safety door |
| CN2923959Y (en) * | 2006-05-31 | 2007-07-18 | 李启明 | Novel safety threshod |
| WO2010069437A1 (en) * | 2008-12-18 | 2010-06-24 | Indowoods Sa | Child-safe manually activated mechanism for a door or stair protection gate |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW420228U (en) * | 2000-02-25 | 2001-01-21 | Jeng Shu Jen | Locking device for guard rail door |
-
2013
- 2013-08-30 CN CN201310386018.5A patent/CN103556883B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2417259Y (en) * | 2000-03-17 | 2001-01-31 | 郑淑珍 | Safety arrangement for locking door or wings |
| CN2423362Y (en) * | 2000-03-17 | 2001-03-14 | 郑淑珍 | Locking device for safety door |
| CN2923959Y (en) * | 2006-05-31 | 2007-07-18 | 李启明 | Novel safety threshod |
| WO2010069437A1 (en) * | 2008-12-18 | 2010-06-24 | Indowoods Sa | Child-safe manually activated mechanism for a door or stair protection gate |
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| Publication number | Publication date |
|---|---|
| CN103556883A (en) | 2014-02-05 |
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Effective date of registration: 20151120 Address after: 313000 Zhejiang Province, Huzhou city Nanxun district town village with Shanlian Meikou Applicant after: ZHEJIANG LITONG HOME FURNISHING CO.,LTD. Address before: Lian Zhen Mei Kou Cun, Hanshan Zhejiang province 313014 Huzhou District of Nanxun City, Zhejiang science and Technology Co., Dr. good baby Applicant before: ZHEJIANG AIYING DOCTOR TECHNOLOGY Co.,Ltd. |
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Denomination of invention: A new type of protective door railing lock Effective date of registration: 20230522 Granted publication date: 20160120 Pledgee: Shanlian sub branch of Zhejiang Nanxun Rural Commercial Bank Co.,Ltd. Pledgor: ZHEJIANG LITONG HOME FURNISHING CO.,LTD. Registration number: Y2023330000941 |