CN1683734A - Cylindrical lock - Google Patents
Cylindrical lock Download PDFInfo
- Publication number
- CN1683734A CN1683734A CN 200510065774 CN200510065774A CN1683734A CN 1683734 A CN1683734 A CN 1683734A CN 200510065774 CN200510065774 CN 200510065774 CN 200510065774 A CN200510065774 A CN 200510065774A CN 1683734 A CN1683734 A CN 1683734A
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- CN
- China
- Prior art keywords
- mentioned
- revolving body
- retainer
- cylinder lock
- thrustwall
- 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.)
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Abstract
The cylinder lock 10 includes a rotor 12 which is made to be rotatable by inserting a legitimate key to store a tumbler 18 inside, clutch mechanisms 34, 52, 62 for transmitting the rotation of the rotor 12 to an output member 28 arranged on a rear end side of the rotor and for releasing the connection between the rotor 12 and the output member 28 when an illegitimate key is inserted into the rotor 12 and is operated, and a holder 40 housing at least the rotor 12. An locking wall 48 is provided on an inner peripheral part of the rear end side of the holer 40 so that a step part 20 provided at a rear part of the rotor 12 may be engaged with the locking wall 48.Therefore, cylinder lock has a stronger structure against punching by which the theft prevention performance is improved.
Description
Technical field
The present invention relates to the cylinder lock locating to use as arrangements for automotive doors etc.
Background technology
In the past, the cylinder lock as the usefulness of locking and unblank of arrangements for automotive doors used so-called loose pulley cylinder lock (free wheel cylinder).This loose pulley cylinder lock is equipped with usually: when key does not insert from outer circumference surface be extruded with brake bars (tumbler) revolving body, outside be contained on this revolving body and be formed with the sleeve pipe of locked groove that can chimeric above-mentioned brake bars and the rotation of above-mentioned revolving body passed to the clutch that output block switches whether.
Have in the loose pulley cylinder lock of structure like this, if it is correct to insert key in the lock, it is inner and remove chimeric with the locked groove (lock groove) of sleeve pipe that then brake bars is incorporated in revolving body, in this state, rotate this correct key, then only revolving body is thrown off and independent rotation from sleeve pipe, and this rotation is passed to output block by clutch mechanism.
On the other hand, in above-mentioned loose pulley cylinder lock, if what insert in the lock is the occasion of instruments such as incorrect key or screwdriver, it is inner and keep chimeric with the sleeve pipe locked groove that brake bars can not be incorporated in revolving body.In this state, rotate back to when turning with this key, sleeve pipe rearward moves vertically, and the connection of clutch mechanism is disengaged, and makes the rotation of revolving body can not pass to output block, and revolving body dallies with sleeve pipe.
In such loose pulley cylinder lock, (being the inserting side of key) disposed the cam that is used to make sleeve pipe rearward to move vertically all in the sleeve pipe front side in the past, and therefore, each parts of loose pulley cylinder lock are generally installed from rear side.
But, thin when being subjected to from the loose pulley cylinder lock that rear side is installed owing to structure from the knocking of cylinder lock the place ahead (knock in the keyhole of insertions revolving body such as screwdriver and with hammer etc. etc.), easily extract from rear side.
For example, showed in the Japanese Utility Model patent H03-32215 communique and inserted cylinder lock from the front side of housing and from the loose pulley cylinder lock of rear side mounting sleeve and other parts.In this cylinder lock, if the front side of cylinder lock is destroyed, all parts can be extracted from rear side, and this is configured in, and anti-to knock the aspect be defective.
Summary of the invention
The objective of the invention is to, the anti-cylinder lock that knocks, improves theftproof on a kind of structure is provided.
In order to address the above problem, the invention is characterized in: cylinder lock is equipped with by inserting correct key the revolving body that brake bars is accommodated in inside and rotates, the rotation of this revolving body can be passed to the output block of revolving body rear side and remove clutch mechanism that is connected between above-mentioned revolving body and the above-mentioned output block and the retainer that can hold above-mentioned revolving body at least when the key that inserts in the above-mentioned revolving body is incorrect.In above-mentioned cylinder lock, the inner circumference portion of above-mentioned retainer rear side is provided with thrustwall, and the step that is provided with above-mentioned revolving body rear portion cooperates.
If the employing said structure, because above-mentioned retainer rear side is provided with the thrustwall that cooperates with the step that is positioned at above-mentioned revolving body rear portion, therefore, revolving body should be installed from retainer the place ahead.Like this, come from knocking of revolving body front side even bear, revolving body can not be extracted from the rear and unblanked, thereby resist and knock, sound construction has improved theftproof.
In cylinder lock of the present invention, above-mentioned clutch mechanism includes: have be arranged on the above-mentioned brake bars of equipping on the rotatable above-mentioned revolving body between above-mentioned revolving body and the above-mentioned retainer stretch out retraction with the sleeve pipe of locked groove, be accommodated in slide block that above-mentioned retainer thrustwall front side, rotation by above-mentioned sleeve pipe move forward and backward and in above-mentioned retainer thrustwall rear side configuration, be connected or remove the clutch that is connected between above-mentioned revolving body and above-mentioned output block by moving forward and backward.By running through the handle hole that above-mentioned thrustwall is provided with, above-mentioned slide block fore-and-aft direction can be moved to above-mentioned clutch mechanism transmission.
And in the cylinder lock of the present invention, the rear end that the cam part that above-mentioned slide block is moved forward and backward, above-mentioned slide block are set on the rear end of above-mentioned sleeve pipe is provided with and connects the aforesaid operations hole and get final product with operation protuberance that above-mentioned clutch mechanism touches.
If adopt this structure and since with sleeve pipe and slide block be not parts, even sleeve pipe rotates, slide block does not rotate yet, therefore, the size of handle hole that connects the thrustwall of slider-operated protuberance can reduce.So the intensity of thrustwall is maintained, and has improved theftproof.
As mentioned above,, can prevent to be unblanked, improve theftproof owing to knocking if adopt cylinder lock of the present invention.
Description of drawings
Fig. 1 is the exploded perspective view of cylinder lock.
Fig. 2 is the sectional view of cylinder lock.
Fig. 3 is the front view of retainer.
Fig. 4 is the rear elevation of clutch.
Fig. 5 is the sectional view of the cylinder lock of the state of expression when inserting incorrect key.
The sectional view of the cylinder lock of the state when Fig. 6 is the incorrect key of expression rotation.
Among the figure: 10-cylinder lock, 12-revolving body, 14-keyhole, the 18-brake bars, 20-step, 22-interlock protuberance, the 28-output block, 34-sleeve pipe, 36-locked groove, the 38-cam part, 40-retainer, 48-thrustwall, the 50-handle hole, the 52-slide block, 60-operates protuberance, the 62-clutch, 64-interlock recess, 65-back-moving spring.
The specific embodiment
Below, with reference to the description of drawings embodiments of the present invention.
Fig. 1 is the exploded perspective view as the cylinder lock 10 of an embodiment of the present invention, and Fig. 2 is the sectional view of cylinder lock 10.In Fig. 1 and Fig. 2, the left side of key inserting side is that " preceding ", right side are " back ".
Roughly columned revolving body 12 is arranged on the cylinder lock 10.Be formed with keyhole 14 on the front end face of revolving body 12.Keyhole 14 forms along fore-and-aft direction (promptly axial) extension in the inside of revolving body 12.
Be formed with on the revolving body 12 a plurality of along fore-and-aft direction arranged side by side and braking croze 16 that intersect vertically with above-mentioned keyhole 14.Accommodating tabular brake bars 18 respectively in the braking croze 16.The end of brake bars 18 when key does not insert from the external peripheral surface of revolving body 12 to two side-prominent, and the inside of withdrawal revolving body 12 is accommodated after inserting correct key.
And, at the rear portion of revolving body 12, being formed with stage portion 20 by reducing diameter slightly, the rear of this stage portion 20 is formed with adjacent interlock protuberance 22.Interlock protuberance 22 is made of the circumferencial direction rearward outstanding step in the given angle scope at revolving body 12, is arranged on the both sides of revolving body 12.
Further, be formed with C shape annular groove 23 on the rearward end of the diameter minimum of revolving body 12.Shaft-like output block 28 is installed on the rearward end of above-mentioned revolving body 12, and this output block 28 is embedded into C shape ring 26 restrictions in the above-mentioned C shape annular groove 23 and can deviate from.Here, output block 28 is installed in the rearward end of revolving body 12, and rotatable, and therefore, the rotation of revolving body 12 is transmitted to output block 28 by clutch mechanism described later.
The revolving body lid 24 of key insertion hole is installed on the front end face of revolving body 12.And, retainer 30 before being equipped with on the fore end outer circumference of revolving body 12.The leading section of preceding retainer 30 is covered with retainer lid 32.
Adorning sleeve pipe 34 cylindraceous outside on the excircle of the middle part of revolving body 12.On the inner peripheral surface of sleeve pipe 34, be formed with two locked grooves 36 that extend vertically to ground relatively.Come in and go out these locked grooves 36 from the brake bars 18 that the outer peripheral face of revolving body 12 haunts.And the rear end face of sleeve pipe 34 is provided with two rearward outstanding in circumferencial direction given angle scope cam part 38, is oppositely arranged on diametric(al).
The rearward end of revolving body 12, sleeve pipe 34 and preceding retainer 30 is housed in retainer 40 inside.Preceding retainer 30 is fixed on the retainer 40 by two steady pins 42.On the other hand, sleeve pipe 34 is arranged between revolving body 12 and the retainer 40, can rotate.
As shown in Figure 3, the interior perimembranous at retainer 40 is provided with two anti-recesses 44 of migrating that extend vertically, subtend setting on diametric(al).And the inner circumference portion place of retainer 40 rear end side is formed with the medium pore 46 that keeps perforation revolving body 12 rearward end and the thrustwall 48 of giving prominence to setting to radially inner side.This thrustwall 48 cooperates with the stage portion 20 of the revolving body 12 that is inserted into from retainer 40 the place aheads.And, be formed with circumferentially three uniform handle holes 50 on the thrustwall 48.
In retainer 40 inside, around the revolving body 12 of thrustwall 48 front sides, accommodate and dispose circular slide block 52.Slide block 52 borrows the elastic force of aftermentioned back-moving spring to be pressed against on the rearward end of sleeve pipe 34.
The outer circumference portion of slide block 52 is formed with to two outstanding anti-protuberances 54 of migrating of radial outside.These anti-protuberances 54 of migrating are chimeric with the anti-recess 44 of migrating of retainer 40, make slide block 52 can not rotate in retainer 40.On the other hand, slide block 52 can move forward and backward in retainer 40.
And, be formed with the recess 56 of the cam part 38 of the rearward end that embeds sleeve pipe 34 on the front end face of slide block 52.The both sides of this recess 56 are formed with cam rake 58.On the other hand, be equipped with three circumferentially uniform operation protuberances 60 on the rear end face of slide block 52.These operation protuberances 60 run through the handle hole 50 that forms on the thrustwall 48 of retainer 40 and rearward extend.And operation protuberance 60 is not limited to three, can be one or two, can be more than four yet.
Around the revolving body 12 of thrustwall 48 rear sides in retainer 40, dispose the clutch 62 that approximately is circular, can move forward and backward.The inner circumference portion of clutch 62 is formed with the interlock protuberance 22 that embeds revolving body 12 and the interlock recess 64 of interlock.And, as shown in Figure 4, the spring of end institute interlock of being equipped with two interlock protuberances 66 and back-moving spring described later on the rear end face of clutch 62 is with interlock protuberance 67, and these interlock protuberances 66 and spring are interlocked with the interlock hole 28a and the interlock recess 28b of output block 28 respectively with interlock protuberance 67.
Clutch 62 is subjected to back-moving spring 65 elastic force forward.Like this, the front end face of clutch 62 is pressed against the rear end of the operation protuberance 60 of slide block 52, and the interlock recess 64 of interlock protuberance 22 embeddeding clutch 62 of revolving body 12.And, under the effect of back-moving spring 65 elastic force, return initial position after making clutch 62 rotation.
In the cylinder lock 10 in the present embodiment, sleeve pipe 34, slide block 52 and clutch 62 have constituted and connect or remove the clutch mechanism that is connected between revolving body 12 and the output block 28.
Next, the course of action of the cylinder lock 10 that as above constitutes is described.
If inserted correct key in the keyhole 14 of revolving body 12, then brake bars 18 is withdrawn and is incorporated in revolving body 12 inside, thus the interlock between the locked groove 36 of releasing and sleeve pipe 34.Like this, revolving body 12 can rotate in sleeve pipe 34.
At this moment, be engaged in the interlock recess 64 of clutch 62 because the interlock protuberance 22 at revolving body 12 rear portions embeds, revolving body 12 is connection status with clutch 62.In this state, the user rotates correct key and rotates revolving body 12, and then this rotation is passed to output block 28 by clutch 62, makes output block 28 rotations.
On the other hand, if inserted incorrect key 70 (as screwdriver) in the keyhole 14 of revolving body 12, then as shown in Figure 5, brake bars 18 is not withdrawn, and still is in the state that stretches out from the outer circumference surface of revolving body 1, with the locked groove 36 maintenance interlocks of sleeve pipe 34.In this state, screw key 70 makes revolving body 12 rotations, and sleeve pipe 34 also rotates together.
If sleeve pipe 34 rotates, the cam part 38 of sleeve pipe 34 rear ends is thrown off in the recess 56 of slide block 52 and is crossed cam and move with rake 58, as shown in Figure 6, above-mentioned cam part 38 slide block 52 signatures rearward, like this, slide block 52 is rearward mobile.
The slide block 52 rearward operation protuberances 60 that move through slide block 52 pass to clutch 62, and the elastic force that clutch 62 is also resisted back-moving spring 65 moves backward.Like this, the interlock protuberance 22 at revolving body 12 rear portions is thrown off from the interlock recess 64 of clutch 62, and releasing revolving body 12 is connected with clutch 62.Consequently, because output block 28 is installed in revolving body 12 rearward end and can rotates, so the rotation of revolving body 12 does not pass to output block 28, revolving body 12 is idling conditions with sleeve pipe 34.
As mentioned above, if adopt the cylinder lock 10 of present embodiment, by the thrustwall 48 that matches with the stage portion 20 that is positioned at revolving body 12 rear portions in retainer 40 rear end side settings, revolving body 12 needs to install from retainer 40 the place aheads.Like this, come from knocking of revolving body 12 front sides, revolving body 12 can not be extracted from the rear and unblanked, thereby anti-ly on the structure knock, improved theftproof even bear.
And because slide block 52 forms with sleeve pipe 34 splits, even sleeve pipe 34 rotations, slide block 52 does not rotate yet, and therefore, can reduce the size of the handle hole 50 of the thrustwall 48 that the operation protuberance 60 of slide block 52 runs through.So the intensity of thrustwall 48 is maintained, and has improved theftproof.
Moreover, cylinder lock of the present invention is not limited in above-mentioned embodiment, can also many changes.
For example, though in the above-mentioned cylinder lock 10, slide block 52 is provided with operation protuberance 60,, also the structure that is equivalent to operate protuberance 60 can be set on clutch 62, handle hole 50 formation of thrustwall 48 are circular-arc.And, in this occasion, also slide block 52 and sleeve pipe 34 can be formed one, the cam part that sleeve pipe 34 is moved forward and backward is arranged on and sleeve pipe 34 and preceding retainer 30 between.
Claims (3)
1, a kind of cylinder lock, it has:
The revolving body that brake bars is accommodated in inside and can rotates by inserting correct key;
Clutch mechanism, its rotation with this revolving body is passed to the output block of revolving body rear end side, and when inserting incorrect key in the above-mentioned revolving body and operating, and removes being connected between above-mentioned revolving body and the above-mentioned output block; And
At least take in the retainer of above-mentioned revolving body, it is characterized in that:
Inner circumference portion in above-mentioned retainer rear end side is provided with thrustwall, and makes stage portion and this thrustwall interlock of being located at above-mentioned revolving body rear portion.
2, cylinder lock according to claim 1 is characterized in that: above-mentioned clutch mechanism includes:
Sleeve pipe, it can be rotatably set between above-mentioned revolving body and the above-mentioned retainer, and has the locked groove that is arranged on the retraction that above-mentioned brake bars stretches out on the above-mentioned revolving body;
Slide block, it is accommodated in the thrustwall front side of above-mentioned retainer, and moves forward and backward by the rotation of above-mentioned sleeve pipe; And
Clutch, it is configured in the thrustwall rear side of above-mentioned retainer, and connects or remove being connected between above-mentioned revolving body and above-mentioned output block by moving forward and backward,
Wherein, by running through the handle hole that above-mentioned thrustwall is provided with, with moving forward and backward of above-mentioned slide block to above-mentioned clutch mechanism transmission.
3, cylinder lock according to claim 2, it is characterized in that: in the rear end of above-mentioned sleeve pipe, be provided with the cam part that above-mentioned slide block is moved forward and backward,, be provided with the operation protuberance that connects the aforesaid operations hole and be abutted against with above-mentioned clutch mechanism in the rear end of above-mentioned slide block.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004120024 | 2004-04-15 | ||
| JP2004-120024 | 2004-04-15 | ||
| JP2004120024A JP4353848B2 (en) | 2004-04-15 | 2004-04-15 | Cylinder lock |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1683734A true CN1683734A (en) | 2005-10-19 |
| CN1683734B CN1683734B (en) | 2010-09-22 |
Family
ID=35263213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510065774 Expired - Fee Related CN1683734B (en) | 2004-04-15 | 2005-04-15 | Cylindrical lock |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP4353848B2 (en) |
| CN (1) | CN1683734B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101100912B (en) * | 2006-07-06 | 2010-12-01 | 株式会社东海理化电机制作所 | Lock device |
| CN101275446B (en) * | 2007-03-26 | 2012-10-10 | 株式会社有信 | Cylindrical lock |
| CN105026664A (en) * | 2013-03-14 | 2015-11-04 | 本田制锁有限公司 | Cylinder lock |
| CN105317295A (en) * | 2014-06-02 | 2016-02-10 | 株式会社东海理化电机制作所 | Cylinder lock device |
| CN105829625A (en) * | 2013-12-13 | 2016-08-03 | 本田制锁有限公司 | Cylinder locking device |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4704935B2 (en) * | 2006-03-07 | 2011-06-22 | 株式会社東海理化電機製作所 | Cylinder lock device and disengagement mechanism |
| JP5064170B2 (en) * | 2007-10-25 | 2012-10-31 | 株式会社東海理化電機製作所 | Cylinder lock and unlocking device having the same |
| JP4907490B2 (en) * | 2007-10-25 | 2012-03-28 | 株式会社東海理化電機製作所 | Cylinder lock and unlocking device having the same |
| JP4907489B2 (en) * | 2007-10-25 | 2012-03-28 | 株式会社東海理化電機製作所 | Cylinder lock and unlocking device having the same |
| JP2015227584A (en) * | 2014-06-02 | 2015-12-17 | 株式会社東海理化電機製作所 | Cylinder lock device |
| JP7343408B2 (en) * | 2020-01-16 | 2023-09-12 | 株式会社東海理化電機製作所 | cylinder lock device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4410783C1 (en) * | 1994-03-28 | 1995-04-27 | Huelsbeck & Fuerst | Closing device with a lock cylinder for a locking function which can be executed particularly on motor vehicles |
| DE4412609A1 (en) * | 1994-04-13 | 1995-10-19 | Huelsbeck & Fuerst | Locking device for locking functions that can be performed in particular on motor vehicles |
| FI980634A0 (en) * | 1998-03-20 | 1998-03-20 | Abloy Oy | Electromechanical cylinder stock |
| DE20018281U1 (en) * | 2000-10-25 | 2002-03-07 | Ramsauer, Dieter, 42555 Velbert | lock cylinder |
| CN1298957C (en) * | 2001-05-22 | 2007-02-07 | Fab公司 | Cylindrical lock, particularly for motor vehicles |
-
2004
- 2004-04-15 JP JP2004120024A patent/JP4353848B2/en not_active Expired - Fee Related
-
2005
- 2005-04-15 CN CN 200510065774 patent/CN1683734B/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101100912B (en) * | 2006-07-06 | 2010-12-01 | 株式会社东海理化电机制作所 | Lock device |
| CN101275446B (en) * | 2007-03-26 | 2012-10-10 | 株式会社有信 | Cylindrical lock |
| CN105026664A (en) * | 2013-03-14 | 2015-11-04 | 本田制锁有限公司 | Cylinder lock |
| CN105026664B (en) * | 2013-03-14 | 2016-12-21 | 本田制锁有限公司 | Cylinder lock |
| CN105829625A (en) * | 2013-12-13 | 2016-08-03 | 本田制锁有限公司 | Cylinder locking device |
| CN105829625B (en) * | 2013-12-13 | 2017-07-21 | 本田制锁有限公司 | Cylinder lock assembly |
| CN105317295A (en) * | 2014-06-02 | 2016-02-10 | 株式会社东海理化电机制作所 | Cylinder lock device |
| CN105317295B (en) * | 2014-06-02 | 2018-09-25 | 株式会社东海理化电机制作所 | Cylinder lock assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4353848B2 (en) | 2009-10-28 |
| JP2005299310A (en) | 2005-10-27 |
| CN1683734B (en) | 2010-09-22 |
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Legal Events
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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: 20100922 |
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| CF01 | Termination of patent right due to non-payment of annual fee |