CN203716693U - Cranking bar and worm type window protection chain lock - Google Patents
Cranking bar and worm type window protection chain lock Download PDFInfo
- Publication number
- CN203716693U CN203716693U CN201320744514.9U CN201320744514U CN203716693U CN 203716693 U CN203716693 U CN 203716693U CN 201320744514 U CN201320744514 U CN 201320744514U CN 203716693 U CN203716693 U CN 203716693U
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- CN
- China
- Prior art keywords
- chain
- piece
- window
- crank
- lock
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- 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.)
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Abstract
The utility model relates to the field of window protection and particularly relates to a cranking bar and worm 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 a worm 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; a thief can not enter a house from an opened window door, the window door can not be opened outwards any more under the condition that the window door is locked, and the window door is only allowed to be tightly closed inwards, so that the thief can not open the window door and then enter a room.
Description
Technical field
The utility model relates to window protection field, particularly a kind of protection of the crank Worm 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 guide frame in the other end and the window frame of this strut is slidably matched, and also comprises a clamping close device being fixed with window and window frame.In the time 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 in the time opening or cut out, described on the other hand in the time that 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, obtain 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 Worm 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 Worm type window protection chain lock is provided, it can prevent that window from dropping, high safety, by the turnover control to worm screw direction, reach expansion and the folding and unfolding of restriction window, solved the accident occurring due to window maloperation completely.Can in 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 within doors from the window of opening, 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 Worm 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 the chain support roller for limiting chain length of run in the turning point of storage cavity, described face-piece be provided with for control chain feasible enter the lock of direction, eccentric shaft on this lock pin and a locking rack phase contact, this locking rack hooks nail pressing by chain and is coupling in face-piece connector, this locking rack is provided with a projection moving outward for limiting worm screw, this projection is a ramped shaped, a side phase contact outside with worm screw pushed up on the slope of this projection projection in the time that contact is in worm screw, worm screw can not outwards be launched, the slope of a projection side inside with chain contacts, chain passes through position, slope by projection jack-up in the time reclaiming, can not be restricted.On support, being provided with in addition chain holds up piece and holds up piece spring, in the time 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, in the end can hold up piece to push down on chain and regain when chain is held up piece, hold up piece spring compressed, thereby in the time that 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 worm screw 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 multiple 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 in the time that chain is straight.
Described inner plate is I-shaped, and bending part is in I-shaped ' in the middle of Shu ' portion.
Described outer plate is I-shaped, and the portion of bending is positioned at I-shaped ' in the middle of Shu ' portion.
Relatively original patent of the inventor, the improved effect of this patent is more stable, by the locking to chain and uncage, realizes the direct of travel control of chain.
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, the chain cooperation that this gear and two ends coordinate with the storage cavity on window and face-piece respectively and can rotate along a side.When work, rotate by crank, 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, coordinates by adaptations, when chain is strutted window, cannot under external force, make window reset normally.In the time 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 worm screw and can effectively prevent that window from being opened by child by controlling in addition, when it uses key lock, it can limit the transhipment direction of worm screw, 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 in 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 within doors from the window of opening, 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.
Brief description of the drawings
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 overall 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, locking rack
25, face-piece connector 26, forms attachment screw 27, lock
28, chain support roller 29, tooth bar spring
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, realization, functional characteristics and advantage to the utility model object are described further.
Detailed description of the invention
Referring to figs. 1 through Fig. 9, the utility model is to implement like this:
Crank Worm 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 the chain support roller 28 for limiting chain 12 lengths of run in the turning point of storage cavity, described face-piece 3 is provided with for controlling the lock 27 that chain 12 can direct of travel, eccentric shaft 271 on these lock 27 lock cores and locking rack 24 phase contacts, this locking rack 24 hooks nail pressing 23 by chain and is coupling in face-piece connector, this locking rack 24 is provided with a projection 241 moving outward for limiting worm screw 12, this projection 241 is a ramped shaped, on locking rack 24, be provided with tooth bar spring 29, a side phase contact outside with worm screw 10 pushed up on the slope of this projection 241 projection in the time that contact is in worm screw 10, worm screw 10 can not outwards be launched, the slope of projection 241 side inside with chain 12 contacts, chain 12 passes through position, slope by projection 241 jack-up in the time reclaiming, can not be restricted.On support 7, being provided with in addition chain holds up piece 11 and holds up piece spring 9, in the time chain 12 being launched with crank 3, chain holds up piece 11 to be held up piece spring 9 to eject thereupon, be that chain holds up piece 11 chain 12 vertically can be stretched out, in the end chain can be held up piece 11 push down and regain when chain is held up piece 11, hold up piece spring 9 compressed, thereby in the time that 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 worm screw 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 multiple 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 in the time that chain is straight.Described inner plate is I-shaped, and bending part is in I-shaped ' in the middle of Shu ' portion.Described outer plate is I-shaped, and the portion of bending is positioned at I-shaped ' in the middle of Shu ' portion.
The above, it is only a kind of preferred embodiment of the utility model crank Worm type window protection 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 amendment, equivalent variations and modification, all still belongs in the scope of the utility model technology.
Claims (7)
1. crank Worm type window protection 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 the chain support roller (28) for limiting chain (12) length of run in the turning point of storage cavity, 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 and a locking rack (24) phase contact, this locking rack (24) hooks nail pressing (23) by chain and is coupling in face-piece connector, this locking rack (24) is provided with one for limiting worm screw (10) mobile projection (241) outward, this projection (241) is a ramped shaped, a side phase contact outside with worm screw (10) pushed up on the slope of this projection (241) projection in the time that contact is in worm screw (10), worm screw (10) can not outwards be launched, the slope of projection (241) side inside with chain (12) contacts, chain (12) passes through position, slope by projection (241) jack-up in the time reclaiming, can not be restricted.
2. crank Worm type window protection chain lock according to claim 1, 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 Worm type window protection chain lock according to claim 1, it is characterized in that: 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) cover pack in crank cover (2).
4. crank Worm type window protection chain lock according to claim 1, it is characterized in that: described chain (12) comprises multiple 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 Worm 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 in the time that chain is straight.
6. crank Worm 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 ' Shu ' portion.
7. crank Worm 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 ' Shu ' portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320744514.9U CN203716693U (en) | 2013-11-25 | 2013-11-25 | Cranking bar and worm type window protection chain lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320744514.9U CN203716693U (en) | 2013-11-25 | 2013-11-25 | Cranking bar and worm type window protection chain lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203716693U true CN203716693U (en) | 2014-07-16 |
Family
ID=51155860
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320744514.9U Expired - Fee Related CN203716693U (en) | 2013-11-25 | 2013-11-25 | Cranking bar and worm type window protection chain lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203716693U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107476689A (en) * | 2017-09-11 | 2017-12-15 | 魏祖旭 | The window chain lock that can be adjusted |
-
2013
- 2013-11-25 CN CN201320744514.9U patent/CN203716693U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140716 Termination date: 20211125 |