CN103452399A - Window moving safety bolt with opening limitation function - Google Patents
Window moving safety bolt with opening limitation function Download PDFInfo
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- CN103452399A CN103452399A CN201310408034XA CN201310408034A CN103452399A CN 103452399 A CN103452399 A CN 103452399A CN 201310408034X A CN201310408034X A CN 201310408034XA CN 201310408034 A CN201310408034 A CN 201310408034A CN 103452399 A CN103452399 A CN 103452399A
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- window
- bearing pin
- position fixing
- fixing handle
- lock
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Abstract
The invention discloses a window moving safety bolt with an opening limitation function in the technical field of building door window safety protection. The window moving safety bolt comprises a limiting device and a positioning device which are arranged on opposite window frames of two parallel push-pull window doors respectively; the locking and the limited opening of the window doors are achieved through various connection methods and separation of the positioning device and the limiting device. The window moving safety bolt can be manually operated only when the push-pull window doors are closed, so that only indoor people can operate the window moving safety bolt, the purpose of guaranteeing that the window moving safety bolt cannot be operated by outdoor people when the opening range of the push-pull window doors is limited is achieved, and the effects of opening a window for ventilation and preventing indoor children from directly opening the push-pull window doors and preventing outdoor people from opening the push-pull window doors so as to avoid entering a room are achieved.
Description
Technical field
What the present invention relates to is a kind of lock tool technology of housing construction window accessory technical field, specifically a kind of spacing safeties of plug-type window when closing, opening ventilation that are applicable to.
Background technology
The safeties that use on the plug-type window used in the housing construction field at present are of a great variety, except all kinds of bolt tools that pin window while closing for plug-type window, move in addition the safety technics such as window door chain and provide safeguard protection for plug-type window.But above technology can only be provided at the safeguard protection under a kind of state for plug-type window.For example, the bolt tool of plug-type window can only work under the state fully closed at plug-type window, once open plug-type window, the bolt tool loses the security insurance effect at once, and the drawback of bringing does not thus repeat one by one.
Through the retrieval to prior art, find, Chinese patent literature CN102312618, open day on January 11st, 2012, a kind of automatic locking casement door lock is disclosed, comprise lock box, lock core, main tongue and latch bolt, its special character is: main tongue is two and is connected as a single entity by main tongue arm-tie, be provided with the carry draw-in groove and the draw-in groove of giving up the throne on main tongue, latch bolt is between two main tongues, be connected with latch bolt arm-tie and top board on latch bolt, the mandrel of lock core inserts in main tongue arm-tie and latch bolt arm-tie, on lock core, be provided with respectively and the main tongue that is located at the teeth engagement on latch bolt arm-tie and main tongue arm-tie wheel and the latch bolt wheel of giving up the throne of giving up the throne, be provided with in lock box and eject Control Component and main tongue detent mechanism, when main tongue is retracted, master's tongue detent mechanism is stuck in the carry draw-in groove, latch bolt can trigger main tongue detent mechanism while retracting main tongue is discharged, after main tongue ejects, main tongue detent mechanism is stuck in the draw-in groove of giving up the throne.But this technical pattern is comparatively complicated, causes whole door lock weight to be difficult to more greatly be fixed on glass sliding door, and give up the throne wheel and latch bolt of the main tongue of application given up the throne and taken turns the general gear drive effect of only playing.
Chinese patent literature CN201614818, open day 2010-10-27, a kind of aluminum door window opening stopper brake lock is disclosed, mainly be installed in the place, horizontal moulding indoor of sliding aluminium door and window outer leaf, or place, the indoor of outdoor screen window, utilize the movable clipping block be accommodated in its pedestal central authorities room of backstop apparatus to tilt upward while rising, use formation backstop and limit the openable distance of inside and outside two sash, and the push piece of being located at a side can be slided and be butted on distolateral its location that makes of this clipping block, on another this push piece, device has a snap close, and can make push piece be locking condition can't pass; And, when wish is removed the function that this backstop makes sash recover to open fully, need first to remove the locking of above-mentioned snap close, make push piece be open state and can pass this push piece and make clipping block be recessed in the room of pedestal.But this device carries out spacing limitation by clipping block to forms to be: opening degree is limited uncontrollable with the clipping block position; Not protection on the clipping block structure, touch that clipping block will be very easy to produce accidental unlocking or children point the situation of being pressed from both sides accidentally.In addition, this technology is selected one of them application in can only or opening two states in the window closure.For example be chosen under the window closure state and apply, general window catch effect is only played in its effect; If be chosen under opening, apply, the gap of window provides the path of removing snap close can to external force outside window.
In plug-type window practical application; solve above-mentioned puzzlement; must be made up above two opposed technology of effect; form one and both can when closing plug-type window, can pin window; it is indoor that the outer personnel's unlatching of can when opening austral window gate open wind, guaranteeing again that window is not by window enters, accomplish plug-type window close with opening under all there is the safeguard protection effect.In this way, a new technique device is applied on plug-type window make it can protect the unlatching ventilation state can protect the safety of closed condition again.
Summary of the invention
The present invention is directed to the prior art above shortcomings, propose a kind of there is spacing unlatching move the window lock, this technology can:
One, move the window lock and can tack the plug-type window under closed condition.
Two, move the relative unlatching scope that the window lock can limit plug-type window and keep it in ventilation state, and move down the window lock in self-locking position at this state, no matter be that the indoor and outdoor personnel can't operate and move the window lock.
Three, only there is a method of operating moving the window lock under the self-locking position state, close plug-type window, close time shift window lock and automatically tie down plug-type window, can not again open.
Four, under above-mentioned window closure state, manual operation moves the window lock and exists two operations to select, and first can make to move the window lock further ties down the plug-type window under closed condition; Second can make to move the window lock exits safety position fully, and plug-type window is opened, closed scope is unrestricted.
The present invention moves under the state that the window lock can only cut out at plug-type window can manual operation, mean that thus only having indoor occupant to operate moves the window lock, reached and moved the window lock and open at the plug-type window of restriction the purpose that under the state of scope, the outer personnel of inner room can't operate, having played thus not only can window ventilates but also can prevent that indoor child from windowing and outdoor personnel open window and enter indoor effect.
The present invention is achieved by the following technical solutions, the present invention includes: be arranged at respectively stopping means and positioner on the window frame that the parallel plug-type window of two fans is relative, the connection by stopping means and positioner with separate locking and spacing the opening of realizing window.
Described stopping means is by being positioned at forming for locking the window limit body spacing with unlatching and the footing body for being fixedly connected with window of end of middle part.
Described stopping means is L character form structure or I character form structure.
Described limit body comprises: limitting casing and be positioned at stopper slot wherein.
Described stopper slot comprises: localization part, limit part and disengaging part, its three's width meets: d
3≤ d
2≤ d
1, wherein: d
3the bit width that is limited, d
2for limitation locking width, d
1for breaking away from and the locking width.
Described positioner comprises: the position fixing handle that is fixedly installed on the pedestal on window frame and is rotationally connected with pedestal.
Described position fixing handle is provided with radially position-limit mechanism for mating stopping means and for mating the circumferential position-limit mechanism of flexible restoring organ.
Described circumferential position-limit mechanism is preferably: be arranged at the double wedge of position fixing handle outside, the size of this double wedge and described stopper slot are complementary; Wherein, the disengaging of the length of double wedge, thickness and stopper slot, locking width d
1be complementary, the width of double wedge and localization part width are complementary.
Described being rotationally connected by being arranged at the flexible restoring organ realization of position fixing handle inside, this flexible restoring organ comprises: with bearing pin and the navigation button of elastic clamping block.
Described bearing pin runs through position fixing handle and is connected with pedestal, and the elastic device that is placed in bearing pin passes through bearing pin compression set handle and contacts with the activity cambered surface of pedestal, makes position fixing handle have the revolving force of resetting f.
Described navigation button is flexibly set in position fixing handle and contacts with the elastic clamping block of bearing pin, and when navigation button is pressed, bearing pin is removed the spacing rotary location handle that is able to; When getting loose navigation button, elastic clamping block is upspring and is locked bearing pin with the chucking position fixing handle.
For realizing being connected of pedestal and bearing pin, described base interior is provided with for the spring groove of fixing spring and key pin groove, corresponding bearing pin is provided with bayonet lock groove, key pin groove and for the limit pin hole of elastic clamping block is installed, with coupling bayonet lock, key pin, elastic clamping block and back-moving spring.
The contacted side of described position fixing handle and pedestal is respectively convex-shaped arc surface structure and spill globoidal structure.
Radially position-limit mechanism on described position fixing handle is preferably: be arranged at the centre bore of position fixing handle inside and be attached thereto logical button hole.
Described navigation button is the elastic push rod structure through described button hole, and its push rod head contacts with elastic clamping block, and it is outside for pressing operation that the push rod tail is positioned at position fixing handle.
Technique effect
Compared with prior art, the present invention moves the window lock and can pin the plug-type window under closed condition; Simultaneously there is again the opening safety pushbutton unit, prevent from that children from directly pulling with hand to move window lock handle and open window; And can limit plug-type window and in limiting the unlatching scope, keep it in ventilation state, and move down the window lock in self-locking position at this state, no matter be that indoor or outdoor personnel can't operate and move the window lock.
In addition, only have a method of operating moving the window lock under the state of spacing enable possition, close plug-type window, close time shift window lock and automatically restore and pin plug-type window, plug-type window returns back to lock-out state; Under plug-type window closure state, manual operation moves the window lock and exists three operations to select: 1. can make to move the window lock and further lock the plug-type window under closed condition; 2. the opening safety button pulls bolt to limit plug-type window and must open scope double wedge is imported to chute again, and under this state, can't pull handle that protruding pin is exited to cotter way; 3. can make to move the window lock and exit safety position fully, plug-type window is opened, closed scope is unrestricted.
The accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 a is the limit device structure schematic diagram.
Fig. 2 b is the position fixing handle structural representation.
Fig. 2 c is the flexible restoring organ structural representation.
Fig. 2 d is the base construction schematic diagram.
Fig. 2 e is the pin shaft structure schematic diagram.
Fig. 2 f is the limit part schematic diagram.
Fig. 3 a is embodiment lock-out state schematic diagram;
In figure: Fig. 3 a-1 is lateral view, and Fig. 3 a-2 is elevation.
Fig. 3 b is embodiment rotation status schematic diagram;
In figure: Fig. 3 b-1 is lateral view, and Fig. 3 b-2 is elevation.
Fig. 3 c is embodiment released state schematic diagram;
In figure: Fig. 3 c-1 is lateral view, and Fig. 3 c-2 is elevation.
Fig. 4 is four views of the present invention under locking window state;
In figure: a is elevation; B is left view; C is rear elevation; D is top view.
The specific embodiment
Below embodiments of the invention are elaborated, the present embodiment is implemented take technical solution of the present invention under prerequisite, provided detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
Embodiment 1
As shown in Figure 1, the present embodiment comprises: be arranged at respectively stopping means 2 and positioner 3 on the window frame 1 that the parallel plug-type window of two fans is relative, the connection by positioner 3 and stopping means 2 with separate locking and spacing the opening of realizing window;
As shown in Figure 2 a, described stopping means 2 is L character form structure or I character form structure, by being positioned at forming for locking the window limit body spacing with unlatching and the footing body for being fixedly connected with window of end of middle part,
Described limit body comprises: limitting casing 4 and be positioned at stopper slot 5 wherein.
Described footing body is provided with stopper slot pin 26 and the connecting hole 27 for being fixedly connected with.
As shown in Figure 1, described positioner 3 comprises: the position fixing handle 7 that is fixedly installed on the pedestal 6 on window frame 1 and is rotationally connected with pedestal 6.
As shown in Figure 2 a, described stopper slot 5 comprises: localization part 8, limit part 9 and disengaging part 10, its three's width meets: d
3≤ d
2≤ d
1, wherein: d
3the bit width that is limited, d
2for limitation locking width, d
1for breaking away from and the locking width.
As shown in Figure 2 b, described position fixing handle 7 is provided with radially position-limit mechanism 12 for mating stopping means 2 and for mating the circumferential position-limit mechanism 13 of flexible restoring organ 14.
Described circumferential position-limit mechanism 13 is: be arranged at the double wedge 28 of position fixing handle 7 outsides, the thickness of this double wedge 28 and described stopper slot 5 are complementary, and highly are less than d
3; Thickness is less than and breaks away from the base that part 10 is greater than localization part 8.
As shown in Figure 2 c, the described flexible restoring organ 14 be rotationally connected by being arranged at position fixing handle 7 inside is realized, this flexible restoring organ 14 comprises: with bearing pin 16 and the navigation button 17 of elastic clamping block 15, wherein: bearing pin 16 runs through position fixing handle 7 and is connected with pedestal 6, navigation button 17 is flexibly set in position fixing handle 7 and contacts with the elastic clamping block 15 of bearing pin 16, and when navigation button is pressed, bearing pin is removed the spacing rotary location handle that is able to; When getting loose navigation button, elastic clamping block is upspring and is locked bearing pin with the chucking position fixing handle.
Described elastic clamping block 15 is with the central axis direction setting perpendicular to bearing pin 16.
As shown in Fig. 2 c and Fig. 2 d, described position fixing handle 7 is respectively convex-shaped arc surface structure and spill globoidal structure with the contacted side of pedestal 6.
According to said structure, position fixing handle 7 has the clockwise revolving force f as shown in Fig. 2 c, in the direction of this revolving force f and stopper slot 5, the direction of engraved structure 11 is oppositely arranged, the engraved structure 11 and the localization part 8 that make double wedge 28 on position fixing handle 7 to give tacit consent to closely to press close in stopper slot 5; And when navigation button 17 is pressed, bearing pin 16 is removed spacingly and can rotary location handle 7, and when navigation button 17 gets loose, elastic clamping block 15 resets and lock bearing pin 16 and tightens position fixing handles 7.
As shown in Figure 2 b, the radially position-limit mechanism 12 on described position fixing handle 7 is: be arranged at the centre bore 18 of position fixing handle 7 inside and be attached thereto logical button hole 19.
As shown in Figure 2 c, described navigation button 17 is the elastic push rod structure through described button hole 19, and its push rod head 21 contacts with elastic clamping block 15, and it is outside for pressing operation that push rod tail 22 is positioned at position fixing handle 7.
As shown in Figure 2 d, be respectively multilayer sectional view and the outside schematic diagram of pedestal 6, this pedestal 6 comprises: the key seat part 24 that is fixedly installed on chassis portion on window frame 1 23 and is fixedly connected with it, wherein: key seat part 24 is provided with the axis hole 25 that is complementary with position fixing handle 7 and bearing pin 16 to be connected bearing pin 16.
For realizing that pedestal 6 is flexibly connected with circumferentially being fixedly connected with axial of bearing pin 16, described pedestal 6 inside are provided with spring groove 30 and the key pin groove 31 for fixing spring, the structure of corresponding bearing pin 16 as shown in Fig. 2 e, this bearing pin 16 is provided with bayonet lock groove 32, key pin groove 33 and the limit pin hole 34 for elastic clamping block 15 is installed, with coupling bayonet lock, key pin, elastic clamping block and back-moving spring.
As shown in Fig. 2 f, described limit part 9 can be rectangular configuration, the upper lower edge parallel engraved structure with sawtooth 29 11 or the monolateral engraved structure 11 that sawtooth 29 is set, and wherein the widest vertical interval of engraved structure 11 is less than or equal to and breaks away from width d
1; The narrowest vertical interval is more than or equal to spacing width d
3.
The work characteristics of this device comprises following:
As shown in Fig. 3 a-Fig. 3 c, circumferentially position-limit mechanism 13 be take bearing pin 16 and is made radial rotating as the center of circle, after the double wedge 28 of circumferential position-limit mechanism 13 enters stopper slot 5 by disengaging part 10, thereby limiting double wedges 28, the zigzag engraved structure on the stopper slot 5 of stopping means 2 11 determines in different positions the not same-action that the window lock produces under this state therebetween.
As shown in Fig. 3 a-Fig. 3 c, the localization part 8 of double wedge 28 in stopper slot 5 on circumferential position-limit mechanism 13, double wedge 28, in stopper slot 5, only has and could rotate circumferential position-limit mechanism 13 when window during in closure state and make double wedge 28 exit and enter stopper slot 5 by breaking away from part 10.Under this state, circumferentially the elastic clamping block 15 on position-limit mechanism 13 and the axis hole 25 on pedestal 6 are complementary by the elastic force effect, and double wedge 28 is at localization part 8, and window is tacked can not be opened
As shown in Fig. 3 b, move the stopping means 2 of window lock and positioner 3 in connection status, the limit part 9 that circumferentially double wedge 28 of position-limit mechanism 13 enters stopper slot 5, be limited by double wedge 28 and stopper slot 5 residing relative position this moment, the horizontal anomalous movement of double wedge 28 in stopper slot 5 is limited in stopper slot 5 length, its up and down being stopped, the maximum unlatching scope of window is not more than the length of stopper slot 5.
As shown in Fig. 3 b and Fig. 2 a, the limit part 9 of double wedge 28 in engraved structure 11 of circumferential position-limit mechanism 13, window is lockable in limited unlatching scope.The revolving force f that there is acquiescence due to trapezium structure and the double wedge 28 of engraved structure 11 indentations, stop that window further opens greatly once the head end a place that makes double wedge 28 enter engraved structure 11 will slip into latched position b naturally, and the horizontal direction other end globoidal structure of latched position allows the double wedge 28 of position-limit mechanism 13 to move and close window as rightabout.
As shown in Figure 3 a, the navigation button 17 of circumferential position-limit mechanism 13, elastic clamping block 15 are in the concentric shafts plumbness.The elastic force of the elastic clamping block 15 arranged is greater than the elastic force of navigation button 17, and circumferentially position-limit mechanism 13 rotations are blocked, and the up and down of double wedge 28 is limited.Only have and first press navigation button 17, then just can rotational positioning handle 7, thus reduced the risk of accidentally being opened window by the child handle.
As shown in Figure 4, move the schematic diagram of window lock under locking window state, the maximum activity width that L1 wherein is window frame.
Claims (10)
- One kind there is spacing unlatching move the window lock, it is characterized in that, comprise: be arranged at respectively stopping means and positioner on the window frame that the parallel plug-type window of two fans is relative, the multiple method of attachment by stopping means and positioner with separate locking and spacing the opening of realizing window;Described stopping means is by forming for locking the window limit body spacing with unlatching and the footing body for being fixedly connected with window of end;Described limit body comprises: limitting casing and be positioned at stopper slot wherein;Described positioner comprises: the position fixing handle that is fixedly installed on the pedestal on window frame and is rotationally connected with pedestal.
- 2. the window lock that moves according to claim 1, is characterized in that, described stopper slot comprises: localization part, limit part and disengaging part, its three's width meets: d 3≤ d 2≤ d 1, wherein: d 3the bit width that is limited, d 2for limitation locking width, d 1for locking and disengaging width.
- 3. the window lock that moves according to claim 2, is characterized in that, described position fixing handle is provided with radially position-limit mechanism for mating stopping means and for mating the circumferential position-limit mechanism of flexible restoring organ.
- 4. the window lock that moves according to claim 3, is characterized in that, described circumferential position-limit mechanism is: be arranged at the double wedge of position fixing handle outside, the size of this double wedge and described stopper slot are complementary; Wherein, the disengaging of the length of double wedge, thickness and stopper slot, locking width d 1be complementary, the width of double wedge and localization part width are complementary.
- 5. the window lock that moves according to claim 1, it is characterized in that, described pedestal comprises: the key seat part that is fixedly installed on chassis portion on window frame and is fixedly connected with it, wherein: key seat partly is provided with the axis hole that is complementary with position fixing handle and bearing pin to be connected bearing pin.
- 6. the window lock that moves according to claim 5, is characterized in that, it is axially movable to pin down bearing pin that the bottom of described pedestal is circumferentially with elastic device along bearing pin.
- 7. the described window lock that moves of above-mentioned arbitrary claim, is characterized in that, described being rotationally connected by being arranged at the flexible restoring organ realization of position fixing handle inside, and this flexible restoring organ comprises: with bearing pin and the navigation button of elastic clamping block;Described bearing pin runs through position fixing handle and is connected with pedestal, and the elastic device that is placed in bearing pin passes through bearing pin compression set handle and contacts with the activity cambered surface of pedestal, makes position fixing handle have the revolving force of resetting f;Described navigation button is flexibly set in position fixing handle and contacts with the elastic clamping block of bearing pin, and when navigation button is pressed, bearing pin is removed the spacing rotary location handle that is able to; When getting loose navigation button, elastic clamping block is upspring and is locked bearing pin with the chucking position fixing handle.
- 8. the window lock that moves according to claim 7, is characterized in that, described radially position-limit mechanism is: be arranged at the centre bore of position fixing handle inside and be attached thereto logical button hole;Described navigation button is the elastic push rod structure through described button hole, and its push rod head contacts with elastic clamping block, and it is outside for pressing operation that the push rod tail is positioned at position fixing handle;For realizing being connected of pedestal and bearing pin, described base interior is provided with for the spring groove of fixing spring and key pin groove, corresponding bearing pin is provided with bayonet lock groove, key pin groove and for the limit pin hole of elastic clamping block is installed, with coupling bayonet lock, key pin, elastic clamping block and back-moving spring.
- 9. the window lock that moves according to claim 7, is characterized in that, the contacted side of described position fixing handle and pedestal is respectively convex-shaped arc surface structure and spill globoidal structure.
- 10. the window lock that moves according to claim 1, is characterized in that, described footing body is provided with stopper slot pin and the connecting hole for being fixedly connected with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310408034.XA CN103452399B (en) | 2013-09-09 | 2013-09-09 | What have spacing unlatching moves window lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310408034.XA CN103452399B (en) | 2013-09-09 | 2013-09-09 | What have spacing unlatching moves window lock |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103452399A true CN103452399A (en) | 2013-12-18 |
| CN103452399B CN103452399B (en) | 2016-02-10 |
Family
ID=49735190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310408034.XA Expired - Fee Related CN103452399B (en) | 2013-09-09 | 2013-09-09 | What have spacing unlatching moves window lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103452399B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110735562A (en) * | 2019-11-04 | 2020-01-31 | 刘毅 | handle window lock anti-misopening locking mechanism |
| CN111058705A (en) * | 2019-12-09 | 2020-04-24 | 北京北方车辆集团有限公司 | Locking device for window and door |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB213120A (en) * | 1923-03-29 | 1924-03-27 | Henry Crowther | Improvements in or relating to fastening devices suitable for casement and like windows |
| CN2514079Y (en) * | 2001-11-23 | 2002-10-02 | 刘志刚 | Safety window lock |
| WO2002101184A1 (en) * | 2001-06-08 | 2002-12-19 | Soon Chul Choi | Device for controlling the opening/closing window |
| CN201705066U (en) * | 2010-06-22 | 2011-01-12 | 张福增 | Freely-rotatable window lock |
| CN203570042U (en) * | 2013-09-09 | 2014-04-30 | 姜志昂 | Sliding window safety lock with position-limiting opening function |
-
2013
- 2013-09-09 CN CN201310408034.XA patent/CN103452399B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB213120A (en) * | 1923-03-29 | 1924-03-27 | Henry Crowther | Improvements in or relating to fastening devices suitable for casement and like windows |
| WO2002101184A1 (en) * | 2001-06-08 | 2002-12-19 | Soon Chul Choi | Device for controlling the opening/closing window |
| CN2514079Y (en) * | 2001-11-23 | 2002-10-02 | 刘志刚 | Safety window lock |
| CN201705066U (en) * | 2010-06-22 | 2011-01-12 | 张福增 | Freely-rotatable window lock |
| CN203570042U (en) * | 2013-09-09 | 2014-04-30 | 姜志昂 | Sliding window safety lock with position-limiting opening function |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110735562A (en) * | 2019-11-04 | 2020-01-31 | 刘毅 | handle window lock anti-misopening locking mechanism |
| CN111058705A (en) * | 2019-12-09 | 2020-04-24 | 北京北方车辆集团有限公司 | Locking device for window and door |
| CN111058705B (en) * | 2019-12-09 | 2024-06-11 | 北京北方车辆集团有限公司 | Window and door locking device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103452399B (en) | 2016-02-10 |
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