CN203716692U - Cranking bar type window protection chain lock - Google Patents
Cranking bar type window protection chain lock Download PDFInfo
- Publication number
- CN203716692U CN203716692U CN201320744511.5U CN201320744511U CN203716692U CN 203716692 U CN203716692 U CN 203716692U CN 201320744511 U CN201320744511 U CN 201320744511U CN 203716692 U CN203716692 U CN 203716692U
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- CN
- China
- Prior art keywords
- chain
- piece
- lock
- window
- crank
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to the field of window protection and particularly relates to a cranking bar type window protection chain lock for a window. The chain lock comprises a face shell (6) as well as a cranking bar (3) and a lock (27) which are arranged on the face shell (6), wherein the face shell (6) is provided with an accommodating cavity, and the lock (27) is used for controlling the advancing direction of a chain (12); an eccentric shaft (271) of a lock core of the lock (27) is abutted against a chain hook (24). The chain lock has the beneficial effects that the window can be effectively prevented from being opened by children through controlling whether the chain is locked or not; when the chain lock is locked by a key, the chain can be restricted from being opened outwards, and the window can only be closed inwards, so that the condition that objects at the edge of window sill fall out of the window due to a too large window door is prevented in a 100% effective manner, and the occurrence of an accident caused by mistaken window door opening during the playing of the children can be prevented; in addition, in terms of safety and theft prevention, if only the window door is opened a little, a thief can not enter a house from the opened window door, and the window door can not be opened outwards any more under the condition that the window door is locked, so that the thief can not open the window door and then enter a room to commit a crime.
Description
Technical field
The utility model relates to window protection field, particularly a kind of protection of the crank type window for window chain lock.
Background technology
General door and window of today is by being the strut being rotationally connected by one end and window, and the other end of this strut and the guide frame in window frame are slidably matched, and also comprises a clamping close device being fixed with window and window frame.When windowing, clamping close device is opened, under the effect of strut, made window in open mode.This window lock operates more complicated on the one hand when opening or cutting out, described on the other hand when strut struts, window is easy to close under external force, easily cause window to close suddenly the risk causing, in the news that recently has sash to drop from eminence also time, this has become a safe large hidden danger in addition.Therefore the inventor has started in 2011 to have carried out relevant research and development design for this hidden danger, and has applied for the patent No.: ZL201120028114.9, and patent name: window chain lock, obtained very good result of use.In the process that constantly research and development are used, the inventor has carried out some to original patent and has improved accordingly, makes it have better effect.Common window can not prevent that child from opening window in addition, is prone to accidents, and aspect safe antitheft, as long as window has been opened a bit, thief enters within doors with regard to the window being easy to from opening in addition.
, based on original patent, propose a kind of improvement now, research and development have designed the utility model " crank type window protection chain lock " again.
Utility model content
The utility model for above-mentioned the deficiencies in the prior art technical problem to be solved is: crank type window protection chain lock is provided, it can prevent that window from dropping, high safety, by the turnover of chain direction is controlled, reach expansion and the folding and unfolding of restriction window, solved the accident occurring due to window maloperation completely.Can when locking, prevent that in addition child from opening window, can not have an accident, in addition aspect safe antitheft, as long as window has been opened a bit, thief also can not enter from the window of opening within doors, because it can not outwards open window more some in the situation that of locking, only allow window to fasten inward, thief just can not open window and then slip into room crime like this.
The utility model solves the technical scheme that its technical problem adopts:
In order to address the above problem, the utility model provides a kind of novel window chain lock,
Crank type window protection chain lock, this window chain lock comprises and is provided with the face-piece of storage cavity and is arranged on the crank on this face-piece, in storage cavity, be provided with the worm screw fixing with the axis of rotation of this crank, the sprocket matching with chain in this worm screw and outside is meshed, in face-piece, be embedded with a support, face-piece and base plate form storage cavity, chain and sprocket are installed in storage cavity, support is fixed in one end of chain, chain is provided with in the turning point of storage cavity for limiting the chain support roller of chain length of run, described face-piece is provided with for controlling the feasible lock that enters direction of chain, eccentric shaft on this lock pin hooks phase contact with a chain, this chain was worked hard in glove with chain hook nail pressing and was coupling in face-piece connector, this chain hooks and is provided with one for limiting chain mobile projection outward, this projection is a ramped shaped, a side phase contact outside with chain pushed up on the slope of this projection projection when contact is in chain, chain can not outwards launch, the slope of a projection side inside with chain contacts, chain passes through position, slope by projection jack-up when reclaiming, can not be restricted.On support, being provided with in addition chain holds up piece and holds up piece spring, when chain being launched with crank, chain holds up piece to be held up piece spring to eject thereupon, be that chain holds up piece chain vertically can be stretched out, and regain when chain is held up piece, in the end can hold up piece to push down on chain, hold up piece spring compressed, thereby when chain is regained completely, chain holds up piece to be also fully compressed, and can cannot see chain and hold up piece after withdrawal chain.
Described base plate is provided with locating slot and corresponding limited block, and limited block is fixed on locating slot for limiting the movable stroke of chain support roller with limited block pinning.On base plate, be also provided with in addition rivet, rivet, straight burr nail, straight burr nail.Between base plate and face-piece, be provided with face-piece connector, face-piece connector is fixed on face-piece by forms attachment screw.
Described crank is provided with crank cover, crank cover axle and spherical axle, and crank cover axle and spherical center axle sleeve pack in crank cover, and interior hexagonal headless screw is fixed on crank on face-piece.
Between screw rod and crank, be provided with wave packing ring, one end of sprocket is installed in the axis hole of inserting, and a pillar of inserting is equipped with chain and hooks back-moving spring.
Described chain comprises a plurality of interior chain pieces and outer chain piece and safetied pin, interior chain piece and outer chain block gap arrange, outer chain piece is shaped by the bending of sheet outer plate, the upper and lower of outer chain piece is respectively provided with the pin via hole of a pair of mutual correspondence, interior chain piece is shaped by the bending of sheet inner plate, the upper and lower of interior chain piece is respectively provided with upper pin drawing hole and the lower pin stretchable holes of a pair of mutual correspondence, upper pin drawing hole and lower pin stretchable holes phase contact, the pin via hole of outer chain piece is corresponding one by one with upper pin drawing hole and the lower pin stretchable holes of interior chain piece, with safetied pin, interior chain piece and outer chain piece being formed to fixed axis is connected.
The portion of bending of the kink of described interior chain piece and outer chain piece phase contact when chain is straight.
In the middle of described inner plate is I-shaped, and bending part is in I-shaped ' | ' portion.
In the middle of described outer plate is I-shaped, and the portion of bending is positioned at I-shaped ' | ' portion.
Relative original patent of the inventor, the improved effect of this patent is more stable, by the locking of chain and uncage, realizes the direct of travel of chain and controls.
The beneficial effect of a kind of novel window chain lock of the utility model is:
It comprises and is provided with the face-piece of storage cavity and is arranged on the crank on this main, in storage cavity, be provided with the gear fixing with the axis of rotation of this crank, this gear and two ends coordinate and can coordinate along the chain of a side rotation with the storage cavity on window and face-piece respectively.During work, by crank, rotate, and moved by the gear driven chain being arranged on this axis of rotation; Due to one end of described chain and window is fixed and chain only can be to a direction bending, chain and window fixing after its position fix, by adaptations, coordinates, when chain is strutted window, cannot under external force, make window reset normally.When closing window, can, by rotating backward crank, described chain be received in the cavity of the face-piece fixing with window frame.Compared with prior art, by the kink of interior chain piece and the mutual contact of the portion of bending of outer chain piece for the rotational angle that limits chain for being less than or equal to 90 degree.My original patent in use has the possibility of chain upset, and this patent has solved the problem that chain may be overturn by external force completely.This window chain lock can be avoided occurring behind the door unexpected closing at openable windows, improves safety, novel structure, and handled easily, can prevent that window from dropping, and saves cost, practical.The scheme of using in addition pin drawing hole and lower pin stretchable holes phase contact has solved chain easily distortion and the problem that may reverse when long between in use.Whether the art of this patent locks chain and can effectively prevent that window from being opened by child by controlling in addition, when it uses key lock, it can limit chain and outwards open, and can only inwardly receive window, 100% prevents that the article on windowsill limit from dropping to because window is excessive outside window effectively, also can prevent that child's mistiming of playing from opening window and causing unexpected generation.Can when locking, prevent that child from opening window, can not have an accident, in addition aspect safe antitheft, as long as window has been opened a bit, thief also can not enter from the window of opening within doors, because it can not outwards open window more some in the situation that of locking, only allow window to fasten inward, thief just can not open window and then slip into room crime like this.
accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is the utility model and window fit structure schematic diagram;
Fig. 2 is whole decomposition texture schematic diagram of the present utility model;
Fig. 3 is the first internal construction schematic diagram of the present utility model;
Fig. 4 is the second internal construction schematic diagram of the present utility model;
Fig. 5 is the 3rd internal construction schematic diagram of the present utility model;
Fig. 6 is the 4th internal construction schematic diagram of the present utility model;
Fig. 7 is the 5th internal construction schematic diagram of the present utility model;
Fig. 8 is the 6th internal construction schematic diagram of the present utility model;
Fig. 9 is chain structure schematic diagram of the present utility model.
Description of reference numerals:
1, crank cover axle 2, crank cover 3, crank
4, interior hexagonal headless screw 5, spherical axle 6, face-piece
7, support 8, wave packing ring 9, hold up piece spring
10, worm screw 11, chain are held up piece 12, chain
13, sprocket 14, insert 15, base plate
16, rivet 17, limited block 18, limited block pinning
19, sprocket 20, rivet 21, straight burr nail
22, chain hooks back-moving spring 23, chain hooks nail pressing 24, chain hook
25, face-piece connector 26, forms attachment screw 27, lock
28, chain support roller 241, projection 271, eccentric shaft
151, locating slot 30, window 40, window frame
100, window chain lock
Below in conjunction with embodiment, and with reference to accompanying drawing, the realization of the utility model object, functional characteristics and advantage are described further.
The specific embodiment
Referring to figs. 1 through Fig. 9, the utility model is to implement like this:
Crank type window protection chain lock, it is installed on window frame 40, for controlling the switch of window 30, this window chain lock 100 comprises and is provided with the face-piece 6 of storage cavity and is arranged on the crank 3 on this face-piece 6, in storage cavity, be provided with the worm screw 10 fixing with the axis of rotation of this crank 3, the sprocket 13 matching with chain 12 in this worm screw 10 and outside is meshed, in face-piece 6, be embedded with a support 7, face-piece 6 forms storage cavity with base plate 15, chain 12 and sprocket are installed in storage cavity, support 7 is fixed in one end of chain 12, chain 12 is provided with in the turning point of storage cavity for limiting the chain support roller 28 of chain 12 lengths of run, described face-piece 3 is provided with for controlling the lock 27 that chain 12 can direct of travel, this eccentric shaft 271 of locking on 27 lock cores hooks 24 phase contacts with a chain, this chain hook 24 hooks nail pressing 23 by chain and is coupling in face-piece connector, this chain hooks 24 and is provided with one for limiting chain 12 mobile projection 241 outward, this projection 241 is a ramped shaped, a side phase contact outside with chain 12 pushed up on the slope of this projection 241 projection when contact is in chain 12, chain 12 can not outwards launch, the slope of projection 241 side inside with chain 12 contacts, chain 12 passes through position, slope by projection 241 jack-up when reclaiming, can not be restricted.On support 7, being provided with in addition chain holds up piece 11 and holds up piece spring 9, when chain 12 being launched with crank 3, chain holds up piece 11 can be held up piece spring 9 to eject thereupon, be that chain holds up piece 11 chain 12 vertically can be stretched out, and regain when chain is held up piece 11, in the end chain can be held up piece 11 push down, hold up piece spring 9 compressed, thereby when chain 12 is regained completely, chain holds up piece 11 to be also fully compressed, and can cannot see chain and hold up piece 11 after withdrawal chain 12.
Described base plate 15 is provided with locating slot 151 and corresponding limited block 17, and limited block 17 use limited block pinnings 18 are fixed on locating slot for limiting the movable stroke of chain support roller 28.On base plate, be also provided with in addition rivet 16, rivet 20, straight burr nail 19, straight burr nail 21.Between base plate 15 and face-piece 6, be provided with face-piece connector 25, face-piece connector 25 is fixed on face-piece 6 by forms attachment screw 26.
Described crank 3 is provided with crank cover 2, crank cover axle 1 and spherical axle 5, and crank cover axle 1 and spherical axle 5 covers pack in crank cover 2, and interior hexagonal headless screw 4 is fixed on crank 3 on face-piece 6.
Between screw rod 10 and crank 3, be provided with wave packing ring 8, one end of sprocket 13 is installed in 14 the axis hole inserted, and 14 the pillar inserted is equipped with chain and hooks back-moving spring 22.
Described chain 12 comprises a plurality of interior chain pieces and outer chain piece and safetied pin, interior chain piece and outer chain block gap arrange, outer chain piece is shaped by the bending of sheet outer plate, the upper and lower of outer chain piece is respectively provided with the pin via hole of a pair of mutual correspondence, interior chain piece is shaped by the bending of sheet inner plate, the upper and lower of interior chain piece is respectively provided with upper pin drawing hole and the lower pin stretchable holes of a pair of mutual correspondence, upper pin drawing hole and lower pin stretchable holes phase contact, the pin via hole of outer chain piece is corresponding one by one with upper pin drawing hole and the lower pin stretchable holes of interior chain piece, with safetied pin, interior chain piece and outer chain piece being formed to fixed axis is connected.The portion of bending of the kink of described interior chain piece and outer chain piece phase contact when chain is straight.Described inner plate is I-shaped, and bending part is in the middle of I-shaped ' I ' portion.Described outer plate is I-shaped, in the middle of the portion of bending is positioned at I-shaped ' I ' portion.
The above, it is only a kind of preferred embodiment of the utility model security protection window chain lock, not technical scope of the present utility model is imposed any restrictions, every foundation technical spirit of the present utility model, to embodiment does above any trickle modification, equivalent variations and modification, all still belongs in the scope of the utility model technology.
Claims (7)
1. crank type window protects chain lock, this window chain lock comprises and is provided with the face-piece (6) of storage cavity and is arranged on the crank (3) on this face-piece (6), in storage cavity, be provided with the worm screw (10) fixing with the axis of rotation of this crank (3), the sprocket (13) matching with chain (12) in this worm screw and outside is meshed, in face-piece (6), be embedded with a support (7), face-piece (6) forms storage cavity with base plate (15), chain (12) and sprocket are installed in storage cavity, support (7) is fixed in one end of chain (12), chain (12) is provided with in the turning point of storage cavity for limiting the chain support roller (28) of chain (12) length of run, it is characterized in that: described face-piece (3) is provided with for controlling the lock (27) that chain (12) can direct of travel, eccentric shaft (271) on this lock (27) lock core hooks (24) phase contact with a chain, this chain hook (24) hooks nail pressing (23) by chain and is coupling in face-piece connector, this chain hooks (24) and is provided with one for limiting chain (12) mobile projection (241) outward, this projection (241) is a ramped shaped, a side phase contact outside with chain (12) pushed up on the slope of this projection (241) projection when contact is in chain (12), chain (12) can not outwards launch, the slope of projection (241) side inside with chain (12) contacts, chain (12) passes through position, slope by projection (241) jack-up when reclaiming, can not be restricted.
2. crank type window according to claim 1 protects chain lock, it is characterized in that: described base plate (15) is provided with locating slot (151) and corresponding limited block (17), limited block (17) is fixed on locating slot for limiting the movable stroke of chain support roller (28) with limited block pinning (18).
3. crank type window according to claim 1 protects chain lock, it is characterized in that: described crank (3) is provided with crank cover (2), crank cover axle (1) and spherical axle (5), crank cover axle (1) and spherical axle (5) cover pack in crank cover (2).
4. crank type window according to claim 1 protects chain lock, it is characterized in that: described chain (12) comprises a plurality of interior chain pieces and outer chain piece and safetied pin, interior chain piece and outer chain block gap arrange, outer chain piece is shaped by the bending of sheet outer plate, the upper and lower of outer chain piece is respectively provided with the pin via hole of a pair of mutual correspondence, interior chain piece is shaped by the bending of sheet inner plate, the upper and lower of interior chain piece is respectively provided with upper pin drawing hole and the lower pin stretchable holes of a pair of mutual correspondence, upper pin drawing hole and lower pin stretchable holes phase contact, the pin via hole of outer chain piece is corresponding one by one with upper pin drawing hole and the lower pin stretchable holes of interior chain piece, with safetied pin, interior chain piece and outer chain piece being formed to fixed axis is connected.
5. crank type window protection chain lock according to claim 4, is characterized in that: the portion of bending of the kink of described interior chain piece and outer chain piece phase contact when chain is straight.
6. crank type window protection chain lock according to claim 4, is characterized in that: described inner plate is I-shaped, and bending part is in the middle of I-shaped ' I ' portion.
7. crank type window according to claim 4 protection chain lock, is characterized in that: described outer plate is I-shaped, in the middle of the portion of bending is positioned at I-shaped ' I ' portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320744511.5U CN203716692U (en) | 2013-11-25 | 2013-11-25 | Cranking bar type window protection chain lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320744511.5U CN203716692U (en) | 2013-11-25 | 2013-11-25 | Cranking bar type window protection chain lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203716692U true CN203716692U (en) | 2014-07-16 |
Family
ID=51155859
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320744511.5U Expired - Fee Related CN203716692U (en) | 2013-11-25 | 2013-11-25 | Cranking bar type window protection chain lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203716692U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106223749A (en) * | 2015-04-08 | 2016-12-14 | 胡家宁 | Sliding window child-resistant is fallen down from the building device |
| CN107476689A (en) * | 2017-09-11 | 2017-12-15 | 魏祖旭 | The window chain lock that can be adjusted |
-
2013
- 2013-11-25 CN CN201320744511.5U patent/CN203716692U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106223749A (en) * | 2015-04-08 | 2016-12-14 | 胡家宁 | Sliding window child-resistant is fallen down from the building device |
| CN106223749B (en) * | 2015-04-08 | 2017-08-25 | 黄俊鹏 | Sliding window child-resistant is fallen down from the building device |
| CN107476689A (en) * | 2017-09-11 | 2017-12-15 | 魏祖旭 | The window chain lock that can be adjusted |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140716 Termination date: 20211125 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |