CN204370938U - A kind of chain lock - Google Patents
A kind of chain lock Download PDFInfo
- Publication number
- CN204370938U CN204370938U CN201420711404.7U CN201420711404U CN204370938U CN 204370938 U CN204370938 U CN 204370938U CN 201420711404 U CN201420711404 U CN 201420711404U CN 204370938 U CN204370938 U CN 204370938U
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- China
- Prior art keywords
- lock
- clamping block
- locking piece
- block
- snap close
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- Expired - Fee Related
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Abstract
The utility model provides a kind of chain lock, belongs to lock technology field.It solve existing being locked on door and window and use not quick detachable, that dismounting easily damages door and window problem.This chain lock, comprises fixture and locking piece, and described fixture and locking piece all offer installing hole, and described fixture is fixed with hawser, and the end of described hawser is fixed with snap close, and described snap close can insert locking piece and locked part locking.It is simple, easy to use, convenient from door and window dismounting and installation that the utility model has structure, do not damage the advantage of door and window body.
Description
Technical field
The invention belongs to lock technology field, relate to a kind of chain lock.
Background technology
Existing high building can not install burglary-resisting window, there is unsafe factor in the window opened wide completely, thus need when window is installed lock is installed, existing window lock has plenty of is arranged to one with window, window can only be opened completely or close, window is closed be unfavorable for ventilating completely, and not easily changes install the damage of expansion part on window after.
Chinese patent CN200943367Y discloses a kind of chain lock, comprise lock body, tapered end and chain, lock core is provided with in the side of lock body, opposite side connects one end of chain, and the other end of chain connects tapered end, and lock body is provided with tapered end hole, tapered end can be inserted in tapered end hole, described lock core one end is connected with steel ball, and tapered end is provided with the cannelure with steel ball size, location matches, and lock core controls the switch of tapered end and lock body by steel ball.
Chinese patent CN201486278U discloses a kind of door lock assembly, comprise lock body and be hinged on the door on lock body, door and lock body at least arrange two hinges, hinge by hinge seat and be inserted therein hinge axis composition, spacing between the hinge axis and hinge seat of left is greater than or less than the spacing between the hinge axis and hinge seat of right, hinge locating mechanism between the inner side of door and lock body, detent mechanism support door makes it be in opening and closing lock body two kinds of location statuss.
Chain lock disclosed in patent document 1, tapered end to be plugged on lock body and to be formed the loop of a ring seal by chain, can not be fixed on door and window and use; The door lock assembly that patent document 2 discloses, not easily dismantles from window, and when need dismantle, change door and window, cost is high.
Summary of the invention
The object of the invention is to there are the problems referred to above for existing technology, propose the chain lock that a kind of structure is simple, easy to use.
Object of the present invention realizes by following technical proposal: a kind of chain lock, it is characterized in that, comprise fixture and locking piece, described fixture and locking piece all offer installing hole, described fixture is fixed with hawser, the end of described hawser is fixed with snap close, and described snap close can insert locking piece and locked part locking.
In above-mentioned a kind of chain lock, described locking piece comprises lock dog and is arranged on the lock core on lock dog, described lock dog offers lock hole, in described lock hole, clamping block is installed, described lock core can promote clamping block and move along the radial alignment of lock hole, described snap close inserts in lock hole, and lock core rotates and makes clamping block lock snap close.
In above-mentioned a kind of chain lock, described locking piece offers mounting groove, snapping in described mounting groove is also sealed with bottom, described bottom protrudes and is formed with a boss, described boss is overlapped with plectrum, and described lock core pushes against one end of plectrum, and described clamping block is pushed against the other end of plectrum, described lock core rectilinear movement also can promote plectrum and rotate around boss, and described plectrum promotes clamping block rectilinear movement.
In above-mentioned a kind of chain lock, described bottom comprises the sidewall of base plate and the vertical bending of periphery along base plate, and described boss protrudes on base plate, and one end of described sidewall forms arc surface, described bottom buckles into mounting groove, and described arc surface and mounting groove form lock hole.
In above-mentioned a kind of chain lock, described locking piece offers shifting chute, and described shifting chute, perpendicular to the axis of lock hole, is provided with spring in described shifting chute, described clamping block is installed and can be slided in shifting chute, and described spring promotes clamping block and pushes against to plectrum.
In above-mentioned a kind of chain lock, described snap close offers the locating slot of annular, the width of described locating slot is greater than the width of clamping block, and described snap close inserts locking piece, and described clamping block is buckled in locating slot.
In above-mentioned a kind of chain lock, described locking piece offers confined planes, described confined planes perpendicular to lock hole axis and be opened on the extended surface of lock hole, described snap close is through lock hole be stopped at confined planes.
In above-mentioned a kind of chain lock, described clamping block offers the two anti-rotation faces be parallel to each other, described shifting chute offers two sides be parallel to each other, described clamping block is slidably installed in shifting chute and anti-rotation face and is flattened on the side of shifting chute.
In above-mentioned a kind of chain lock, one end of described lock core is provided with shell fragment, and described shell fragment is resisted against on bottom, and described lock core is along axial-movement and lock or open clamping block, and described shell fragment can push against lock core and reset.
In above-mentioned a kind of chain lock, described snap close comprises latch and adapter sleeve, and described adapter sleeve is connected in latch one end, and described locating slot is opened in the other end of latch, be fixed with limited block in the end of hawser, described hawser penetrates adapter sleeve and limited block is limited in adapter sleeve.
In above-mentioned a kind of chain lock, described fixture comprises fixed block and snapping and the fixed head be sealed on fixed block, offer loose slot in described fixed block, the other end of hawser is fixed with limited block, described hawser penetrates fixed block and limited block is limited in loose slot.
Compared with prior art, the present invention has following advantage:
1, firmware part and locking piece are connected on door and window respectively, and are connected by hawser, can be door and window is opened in a fixing scope, ensure that the aeration of door and window, in turn ensure that the safety that door and window uses.
2, when door and window does not need to limit the width opened, firmware part and locking piece can easily be pulled down from door and window and can not damage the overall structure of door and window, and easy to use, structure is ingenious.
3, plectrum adopts the form of seesaw to stir clamping block thus unlocks snap close, and the rectilinear motion of lock core is converted to the rectilinear motion of clamping block, overall structure is little, unlocks ingenious, good reliability.
4, be located on locking piece by bottom cover clasp, in locking piece, mounting parts is convenient, and structure is simple.
5, arrange latch and adapter sleeve, hawser is fixed on can be movable on adapter sleeve, and it is firm to connect again, and adapter sleeve can conveniently be connected on latch, easy for installation.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the perspective view of locking piece in the present invention.
Fig. 3 is the cross-sectional view of locking piece in the present invention.
Fig. 4 is the cross-sectional view of fixture in the present invention.
Fig. 5 is the structural representation of locking piece in the present invention.
Fig. 6 is the structural representation of clamping block in the present invention.
In figure, 1, locking piece; 11, block a shot; 12, screw; 13, installing hole; 14, lock hole; 15, shifting chute; 16, confined planes; 17, lockhole; 18, mounting groove; 19, recess hole; 2, fixture; 21, fixed block; 22, fixed head; 221, reinforcing rib; 23, loose slot; 24, through wires hole; 3, hawser; 31, limited block; 4, snap close; 41, latch; 42, adapter sleeve; 43, locating slot; 5, bottom; 51, boss; 52, plectrum; 53, base plate; 54, sidewall; 55, arc surface; 6, clamping block; 61, anti-rotation face; 7, spring; 8, lock core; 81, shell fragment; 82, jacking block; .
Detailed description of the invention
Be below specific embodiments of the invention and by reference to the accompanying drawings, technical scheme of the present invention is further described, but the present invention be not limited to these embodiments.
As shown in Figures 1 to 4, this chain lock, comprise fixture 2 and locking piece 1, on fixture 2 and locking piece 1, equal two both sides are protruded and are formed boss portion, boss portion offers installing hole 13, installing hole 13 can install screw 12, be fixed on door and window by screw 12, as preferably, block 11 is installed in installing hole 13, the external surface of block 11 is postponed along the external surface of fixture 2 or locking piece 1, hide the end of screw 12 and make appearance smooth, fixture 2 is fixed with hawser 3, the end of hawser 3 is fixed with snap close 4, locking piece 1 comprises lock dog and is arranged on the lock core 8 on lock dog, lock dog offers lock hole 14, clamping block 6 is installed in lock hole 14, lock core 8 can promote clamping block 6 and move along the radial alignment of lock hole 14, snap close 4 inserts in lock hole 14, lock core 8 rotates and makes clamping block 6 lock snap close 4.
Be connected in respectively on door and window by fixture 2 and locking piece 1, door and window opening degree is controlled by the length of hawser 3, easy for installation, structure is ingenious, lock core 8 can be opened by key, make snap close 4 disengaged from locking member 1, thus open the window completely, be applicable to highrise building and prevent child to climb out of from door and window, easy to use; Adopt screw 12 to fix, for convenience detach and replacing, do not damage the body of door and window, easy for installation, result of use is good; Adopt lock core 8 to unlock, door and window can be made to open completely or open to be limited in certain scope, easy to use.
As Fig. 2, shown in Fig. 3 and Fig. 5, the bottom surface of locking piece 1 is plane, the bottom surface of locking piece 1 offers mounting groove 18, mounting groove 18 extends to form cavity along the bottom of locking piece 1, lock hole 14 opens the one end to mounting groove 18, locking piece 1 is offered lockhole 17, lock core 8 is arranged in lockhole 17, lockhole 17 is located at the other end of mounting groove 18, the axis of lock hole 14 is parallel with the bottom surface of locking piece 1 or crossing on extension line, the axis of lock core 8 and the plane perpendicular of locking piece 1, snapping in mounting groove 18 is also sealed with bottom 5, bottom 5 comprises the sidewall 54 of base plate 53 and the vertical bending of periphery along base plate 53, bottom 5 forms groove-like, the base plate 53 of bottom 5 protrudes formation one boss 51, as preferably, boss 51 is triangular in shape and top is circular arc, as preferably, boss 51 is in circular arc, arc surface 55 is formed in one end of the sidewall 54 of bottom 5, when bottom 5 buckles into mounting groove 18, arc surface 55 forms lock hole 14 with the end face of mounting groove 18, the boss 51 of bottom 5 is overlapped with plectrum 52, lock core 8 pushes against one end of plectrum 52, clamping block 6 is pushed against the other end of plectrum 52, lock core 8 moves linearly and can promote plectrum 52 and rotates around boss 51, plectrum 52 promotes clamping block 6 and moves linearly.
Bottom 5 be located on locking piece 1, make the space that mounting groove 18 is installed in, be convenient to the parts such as lock core 8, snap close 4 and plectrum 52 are installed, easy for installation, locking piece 1 can be arranged to integrative-structure, produced and processing by the form of one end withdrawing pattern, working (machining) efficiency is high simultaneously, uniformity is good, and cost is low; The form that plectrum 52 rotates around boss 51 is promoted by lock core 8, stir snap close 4, can by control boss 51 to the distance of lock core 8 and boss 51 to the distance of snap close 4 between ratio, control the displacement of snap close 4, it is convenient to control, and structure is ingenious, is all arranged in a plane, overall size is little, compact conformation; Can be controlled the size of lock hole 14 by the height of the arc surface 55 on bottom 5, meanwhile, arc surface 55 also can support the position of inserting on locking piece 1 with positioning fastener 4, and easy to adjust, position is accurate.
As shown in Figure 3 and Figure 6, on the openend of lock hole 14, shifting chute 15 is offered at locking piece 1, shifting chute 15 opens the bottom surface to locking piece 1, on bottom 5, two protrude formation mounting to both sides, mounting is sealed in shifting chute 15, shifting chute 15 offers two sides be parallel to each other, lateral vertical is in the bottom surface of locking piece 1, shifting chute 15 is crossing with mounting groove 18, shifting chute 15 is perpendicular to the axis of lock hole 14, recess hole 19 is offered in shifting chute 15, spring 7 is installed in recess hole 19, spring 7 is resisted against on clamping block 6, clamping block 6 offers the two anti-rotation faces 61 be parallel to each other, clamping block 6 is slidably installed in shifting chute 15 and anti-rotation face 61 is flattened on the side of shifting chute 15, spring 7 promotes clamping block 6 and pushes against to plectrum 52.
Locking piece 1 offers confined planes 16, confined planes 16 can be the muscle that mounting groove 18 wall protrudes, also can be a face of protruding, confined planes 16 perpendicular to lock hole 14 axis and be opened on the extended surface of lock hole 14, snap close 4 is through lock hole 14 and be stopped at confined planes 16.
Clamping block 6 can only move linearly along shifting chute 15 and two ends are held out against by plectrum 52 and spring 7 respectively, and when lock core 8 does not promote plectrum 52, clamping block 6 to be pushed against on plectrum 52 and locking snap close 4 by spring 7, and snap close 4 can not be extracted, and locking is convenient, firmly; Arrange when confined planes 16 facilitates snap close 4 to insert and locate, facilitate clamping block 6 to lock snap close 4.
As shown in Figure 1 and Figure 4, snap close 4 comprises latch 41 and adapter sleeve 42, latch 41 is cylindrical, adapter sleeve 42 is cylindrical, be rounded corner shape in one end of adapter sleeve 42 and have through hole at end opens, adapter sleeve 42 is connected in latch 41 one end, locating slot 43 is offered at the other end of latch 41, the width of locating slot 43 is greater than the width of clamping block 6, when snap close 4 inserts locking piece 1, latch 41 pushes against to confined planes 16, clamping block 6 under the effect of spring 7 fastening in locating slot 43, limited block 31 is fixed with in the end of hawser 3, hawser 3 is through the through hole of adapter sleeve 42, the diameter of limited block 31 is greater than the diameter of through hole, limited block 31 is limited in adapter sleeve 42, hawser 3 can not be extracted from adapter sleeve 42, hawser 3 can adopt wire rope, iron chains or other rope class materials are made.
Latch 41 and adapter sleeve 42 are set, facilitate the fixing of hawser 3 and be connected; Adapter sleeve 42 is arranged to tubular, and the through hole that hawser 3 can overlap on adapter sleeve 42 rotates, and prevents hawser 3 from reversing, can not rupture.
As shown in Figure 3, the jacking block 82 of formation one circular arc is protruded in the end of lock core 8, grooving is offered at jacking block 82 and the intersection of lock core 8, shell fragment 81 is installed in grooving, shell fragment 81 is resisted against on bottom 5 and locked block 6 limits motionless, and lock core 8 can rotate in lockhole 17 and axis along lockhole 17 moves linearly, and jacking block 82 can promote plectrum 52 and rotate along around boss 51, make lock core 8 lock or open locking piece 1, shell fragment 81 can push against lock core 8 and reset.
Lock core 8 can promote plectrum 52 along lockhole 17 rectilinear motion and unlock, and easy to use, structure is simple; Lock core 8 is resetted by shell fragment 81, and make lock core 8 only under key compressing, promote plectrum 52, other times are all in ejected position, do not produce pressure effect to plectrum 52, thus make clamping block 6 lock snap close 4.
As shown in Figure 1 and Figure 4, fixture 2 comprises fixed block 21 and snapping and the fixed head 22 be sealed on fixed block 21, fixed block 21 protrudes to two ends and forms boss portion, installing hole 13 is opened in boss portion, the bottom of fixed block 21 is a plane, bottom perpendicular to fixed block 21 offers loose slot 23, the end face of fixed block 21 offers the through wires hole 24 being communicated to loose slot 23, arc surface 55 is provided with in one end of fixed head 22, arc surface 55 forms a through hole with the bottom surface of through wires hole 24, limited block 31 is fixed with in the end of hawser 3, hawser 3 penetrated through via holes also makes limited block 31 be limited in loose slot 23, fixed head 22 protrudes some reinforcing ribs 221, limited block 31 can be reinforced muscle 221 and support, make limited block 31 just to through hole.
Fixed head 22 snaps onto on fixed block 21, and make the loose slot 23 in fixed block 21 form a space of installing, limited block 31 can rotate and move on a small quantity in loose slot 23, easy for installation, is not drawn out easily; The end of fixed head 22 arranges arc surface 55, forms a through hole limiting limited block 31 and pass through with the through wires hole 24 on fixture 2, and it is convenient to control, and structure is simple; Fixed block 21 is in integral structure, and easy to process, cost is low, and uniformity is good.
In an initial condition, its course of work is as follows in the present invention:
Locking process: key inserts lock core 8 pushing lock cylinder 8 along lockhole 17 rectilinear motion, jacking block 82 on lock core 8 promotes shifting block and rotates around boss 51, the clamping block 6 be resisted against on plectrum 52 is promoted to move along shifting chute 15 by plectrum 52, snap close 4 inserts along lock hole 14 until be resisted against on confined planes 16, shell fragment 81 pushing lock cylinder 8 resets, spring 7 promotes clamping block 6 and moves along shifting chute 15, clamping block 6 lock in place groove 43;
Releasing process: key inserts lock core 8 pushing lock cylinder 8 along lockhole 17 rectilinear motion, jacking block 82 on lock core 8 promotes shifting block and rotates around boss 51, the clamping block 6 be resisted against on plectrum 52 is promoted to move along shifting chute 15 by plectrum 52, snap close 4 is extracted from lock hole 14, shell fragment 81 pushing lock cylinder 8 resets, spring 7 promotes clamping block 6 and moves along shifting chute 15, and clamping block 6 stops on lock hole 14;
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present invention or surmount the scope that appended claims defines.
Claims (8)
1. a chain lock, is characterized in that, comprises fixture and locking piece, and described fixture and locking piece all offer installing hole, and described fixture is fixed with hawser, and the end of described hawser is fixed with snap close;
Described fixture comprises fixed block and snapping and the fixed head be sealed on fixed block, and offer loose slot in described fixed block, the other end of hawser is fixed with limited block, described hawser penetrates fixed block and makes limited block be limited in loose slot;
Described locking piece comprises lock dog and is arranged on the lock core on lock dog, described lock dog offers lock hole, is provided with clamping block in described lock hole, described lock core can promote clamping block and move along the radial alignment of lock hole, described snap close inserts in lock hole, and lock core rotates and makes clamping block lock snap close.
2. a kind of chain lock according to claim 1, it is characterized in that, described locking piece offers mounting groove, snapping in described mounting groove is also sealed with bottom, described bottom protrudes and is formed with a boss, described boss is overlapped with plectrum, described lock core pushes against one end of plectrum, described clamping block is pushed against the other end of plectrum, and described lock core rectilinear movement also can promote plectrum and rotate around boss, and described plectrum promotes clamping block rectilinear movement.
3. a kind of chain lock according to claim 2, it is characterized in that, described bottom comprises the sidewall of base plate and the vertical bending of periphery along base plate, described boss protrudes on base plate, one end of described sidewall forms arc surface, described bottom buckles into mounting groove, and described arc surface and mounting groove form lock hole.
4. a kind of chain lock according to Claims 2 or 3, it is characterized in that, described locking piece offers shifting chute, described shifting chute is perpendicular to the axis of lock hole, in described shifting chute, spring is installed, described clamping block is installed and can be slided in shifting chute, and described spring promotes clamping block and pushes against to plectrum.
5. a kind of chain lock according to claim 1,2 or 3, is characterized in that, described snap close offers the locating slot of annular, the width of described locating slot is greater than the width of clamping block, and described snap close inserts locking piece, and described clamping block is buckled in locating slot.
6. a kind of chain lock according to claim 4, it is characterized in that, described clamping block offers the two anti-rotation faces be parallel to each other, described shifting chute offers two sides be parallel to each other, described clamping block is slidably installed in shifting chute and anti-rotation face and is flattened on the side of shifting chute.
7. a kind of chain lock according to claim 1,2 or 3, it is characterized in that, one end of described lock core is provided with shell fragment, described shell fragment is resisted against on bottom, and described lock core is along axial-movement and lock or open clamping block, and described shell fragment can push against lock core and reset.
8. a kind of chain lock according to claim 5, it is characterized in that, described snap close comprises latch and adapter sleeve, described adapter sleeve is connected in latch one end, described locating slot is opened in the other end of latch, be fixed with limited block in one end of hawser, described hawser penetrates adapter sleeve and limited block is limited in adapter sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420711404.7U CN204370938U (en) | 2014-11-24 | 2014-11-24 | A kind of chain lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420711404.7U CN204370938U (en) | 2014-11-24 | 2014-11-24 | A kind of chain lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204370938U true CN204370938U (en) | 2015-06-03 |
Family
ID=53327169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420711404.7U Expired - Fee Related CN204370938U (en) | 2014-11-24 | 2014-11-24 | A kind of chain lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204370938U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104453480A (en) * | 2014-11-24 | 2015-03-25 | 宁波埃迪五金工贸有限公司 | Chain lock |
-
2014
- 2014-11-24 CN CN201420711404.7U patent/CN204370938U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104453480A (en) * | 2014-11-24 | 2015-03-25 | 宁波埃迪五金工贸有限公司 | Chain lock |
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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: 20150603 Termination date: 20161124 |
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| CF01 | Termination of patent right due to non-payment of annual fee |