CN103924838B - Spring lock core and key - Google Patents
Spring lock core and key Download PDFInfo
- Publication number
- CN103924838B CN103924838B CN201410147215.6A CN201410147215A CN103924838B CN 103924838 B CN103924838 B CN 103924838B CN 201410147215 A CN201410147215 A CN 201410147215A CN 103924838 B CN103924838 B CN 103924838B
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- lock
- pearl
- marble
- pellet
- key
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- 239000004579 marble Substances 0.000 claims description 69
- 239000008188 pellet Substances 0.000 claims description 68
- 239000011324 bead Substances 0.000 claims description 17
- 238000010586 diagram Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Lock And Its Accessories (AREA)
Abstract
The invention discloses a pin tumbler lock core which comprises a lock shell, a lock liner, a plurality of first pin tumblers, a first pin tumbler spring, at least one second pin tumbler and a second pin tumbler spring, wherein the first pin tumbler hole is formed in the radial direction of the lock shell and the lock liner, the key hole is formed in the axial direction of the lock liner, when the lock is locked, first lower pin tumblers protrude out of the wall of the key hole when the first pin tumbler spring is in a reset state, the second pin tumbler hole is formed in the radial direction of the lock shell and the lock liner, and when the lock is locked, the second lower pin tumblers retract into the wall of the key hole when the second pin tumbler spring is in the reset state. The lock core with the structure has better anti-theft performance. The invention also discloses a key, which comprises a holding part and an unlocking part, wherein the unlocking part is provided with an elastic bulge matched with the second pin tumbler in the pin tumbler lock cylinder.
Description
Technical field
The key that the present invention relates to a kind of lock cylinder and match with it.
Background technology
The lock core of prior art is generally upper and lower pinball structure or pellet adds horizontal grid structure, and pellet shape is all identical, and structure is single.This lock core is when locking, and when marble spring resets, hoodle is all key hole walls in outstanding lock gall, and this pellet available dedicated instrument reaches by the means such as choosing, dial object of unblanking, and theftproof is poor.
Summary of the invention
In order to overcome the above-mentioned shortcoming of prior art, the invention provides a kind of anti-theft lock, this lock core has the pellet of the key hole wall in retraction lock gall, and this pellet and other traditionally shaped pellets combine, and improves anti-theft feature.
The key that the present invention also provides a kind of and above-mentioned lock core to match, this key has the elastic protrusion matched with the retraction pellet in above-mentioned lock core.
The technical solution adopted for the present invention to solve the technical problems is:
The present invention includes lock housing, lock gall, some first pellets and the first marble spring, the radial direction of described lock housing and lock gall is provided with the first marble hole, lock gall axial direction is provided with keyhole, described first pellet comprises pearl on first, first time pearl, described first marble spring, on first, pearl and first time pearl are arranged in the first marble hole successively, one end of first marble spring to be resisted against on first on pearl, the other end is resisted against bottom the first marble hole of lock housing, when locking, first time pearl all outstanding key hole wall when described first marble spring is in reset mode, described lock core also comprises at least one second pellet, second marble spring, the radial direction of described lock housing and lock gall is provided with the second marble hole, described second pellet comprises pearl on second, second time pearl, described second marble spring, pearl on second, second time pearl is arranged in the second marble hole successively, one end of second marble spring to be resisted against on second on pearl, the other end is resisted against bottom the second marble hole of lock housing, when locking, second time pearl retraction key hole wall when described second marble spring is in reset mode.
Second time pearl of described second pellet is hollow hoodle.
On second time pearl of described second pellet and second, the overall outline in the cross section of pearl is T-shaped.
The cross section outline of second time pearl of the second pellet is T-shaped, and on second, the cross section outline of pearl is rectangle.
Described lock core front vertically and be equipped with the first pellet, the first marble spring and the first marble hole perpendicular to the direction in front.
Described lock core front vertically and be equipped with the second pellet, the second marble spring and the second marble hole perpendicular to the direction in front.
Described lock housing is overlapped by outer lock shell, the first lock gall and the second lock gall cover is formed, first lock gall cover, the second lock gall cover, outer lock shell from inside to outside successively suit and affixed, first marble hole, the second marble hole are opened in the first lock gall cover and lock gall, one end of first marble spring, the second marble spring is resisted against on pearl on first, second on pearl respectively, and the other end is resisted against the second lock gall and puts.
A kind of key, comprise key body, key body comprises grip part and portion of unblanking, there is the pit matched with the first pellet in the lock cylinder one of claim 1-7 Suo Shu in the described portion of unblanking, it is characterized in that, the elastic protrusion that this key also has the second pellet in the described lock cylinder of one of at least one and claim 1-7 to match.
The back-moving spring that described elastic protrusion comprises one or two hoodle and is resisted against on hoodle.
Described elastic protrusion is arranged on the front of key or/and with on the side of front vertical.
The pellet of the lock core of prior art is all outstanding key hole wall, and there is in lock gall of the present invention the pellet of at least one retraction key hole wall, this special pellet pellet traditional with other is combined, due to pellet retraction key hole wall, therefore by existing unlocking technique as chosen, the means such as to dial are difficult to the pellet movement of this retraction type, on this basis, if the pellet of retraction type is hollow, so just more can not move, because when probeing into retraction type pellet with tiny instrument, this instrument cannot find origin of force, and then retraction type pellet cannot be moved, so greatly improve theftproof performance.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is further described.
Fig. 1 is the part sectioned view of the present invention when inserting key;
Fig. 2 is the sectional drawing of Fig. 1 vertical direction;
Fig. 3 is the partial enlarged drawing of the second pellet in the present invention;
Fig. 4 is the schematic diagram of lock gall of the present invention;
Fig. 5 is the sectional drawing of the present invention for Double-lock-core door lock;
Fig. 6 is the part sectioned view of key of the present invention;
Fig. 7 is the schematic diagram of Fig. 6 vertical direction.
Detailed description of the invention
Fig. 1 to Fig. 4 illustrates one embodiment of the present invention, comprise lock housing 1, lock gall 2, some first pellet 3, first marble springs 4, the radial direction of described lock housing 1 and lock gall 2 is provided with the first marble hole 5, lock gall 2 axial direction is provided with keyhole 21, and described first pellet 3 comprises pearl 31, first time pearl 32 on first.On described first marble spring 4, first, pearl 31 and first time pearl 32 are arranged in the first marble hole 5 successively.On first time hole of bead 52 and accommodating first that first marble hole 5 comprises pearl 31 on accommodating first time pearl 32 and first pearl 31 first on the hole of bead 51.First time the hole of bead 52 is opened in lock gall 2, and on first, the hole of bead 51 is opened in lock housing 1.One end of first marble spring 4 is resisted against on first on pearl 31, and the other end is resisted against bottom the first marble hole of lock housing, namely on first bottom the hole of bead 511.When blocking, first time pearl 32 all outstanding key hole wall 211 when described first marble spring 4 is in reset mode, described lock core also comprises at least one second pellet 6, second marble spring 7, the radial direction of described lock housing and lock gall is provided with the second marble hole 8, described second pellet comprises pearl 61, second time pearl 62 on second, and on described second, pearl 61, second time pearl 62 and the second marble spring 7 are arranged in the second marble hole 8 successively.One end of second marble spring 7 is resisted against on second on pearl 61, and the other end is resisted against bottom the second marble hole of lock housing, namely on second bottom the hole of bead 811.The difference of described second pellet and the first pellet is, when the second marble spring is in reset mode, second time pearl 62 retraction key hole wall 211 of the second pellet, namely the second pellet is a kind of retraction type pellet.
In order to improve theftproof performance further, see Fig. 3, second time pearl of described second pellet is hollow bead 621.This hollow bead 621 has hollow hole 622, and the aperture of this hollow hole 622 is less than the diameter of second time pearl.The pellet of this structure, if with tiny instrument carry out choosing, dial time, because it is hollow, instrument cannot find origin of force, therefore cannot promote this hollow bead, so just makes theftproof performance better.Even if this instrument can sound out hollow bead ring top 623, because ring top 623 area is little, is difficult to use power, also easily slips in hollow hole, therefore substantially cannot promote hollow bead.Therefore, this hollow bead substantially increases theftproof.
In order to make theftproof better, on second time pearl of described second pellet 62 and second, the overall outline in the cross section of pearl 61 is T-shaped.Further improve be second time pearl cross section outline of described second pellet for T-shaped, on second, the cross section outline of pearl is rectangle.On second time pearl and second, to be the benefit of T-shaped be the global sections outline of pearl: when locking, pearl enters in lock gall on second, this T-shaped structure ensures that the contact area that on second, pearl snaps in lock gall is large, add pearl anti-twisting property on second, increase the difficulty that destructiveness is unblanked.Certainly, the cross section outline of second time pearl can also be L shape, trapezoidal etc., can reach identical effect.
In order to improve theftproof further, described lock core centrally axle axis front and be equipped with the first pellet, the first marble spring and the first marble hole and the second pellet, the second marble spring and the second marble hole perpendicular to the direction in front.
Fig. 5 illustrates the situation of this retraction type pellet for Double-lock-core door lock.As can be seen from Figure 5, in interior lock gall 2B, key is not inserted, now, second time pearl 62 then retraction key hole wall 211 of all outstanding key hole wall 211, second pellet of first time pearl 32 of the first pellet.Key 100 is inserted in outer lock gall 2A, now, the pit matched with the first pellet in key promotes the first pellet and moves to lock housing direction, until pearl 31 departs from lock housing on first, the elastic protrusion matched with the second pellet in key promotes the second pellet and moves to lock housing direction, until pearl 61 departs from lock housing on second, rotate key, can unblank.
Lock housing 1 shown in Fig. 5 by outer lock shell 11, first lock gall overlap 12 and second lock gall overlap and 13 to form, the first lock gall cover 12, second lock gall cover 13, outer lock shell 11 suit affixed successively from inside to outside, the first marble hole 5 is opened in the first lock gall cover 12 and lock gall 2.One end of first marble spring 4 is resisted against on first on pearl 31, and the other end is resisted against on the second lock gall cover 13.The same with the first pellet situation, the second marble hole 8 is opened in the first lock gall cover 12 and lock gall 2, and one end of the second marble spring 7 to be resisted against on second on pearl on 61, and the other end is resisted against the second lock gall and puts on 13.The more convenient replacing pellet of lock core of this structure or marble spring.
Because lock core of the present invention has the pellet of special retraction type, therefore the key matched with it is also had any different with traditional key.See Fig. 6 and Fig. 7, described key 100 comprises key body, key body comprises grip part 110 and portion 120 of unblanking, described in portion 120 of unblanking have the pit 121 matched with the first pellet, also have the elastic protrusion 122 that the second pellet of at least one and aforesaid lock core matches.There is a through hole 123 in described portion 120 of unblanking, and this through hole 123 is for settling described elastic protrusion 122.Described elastic protrusion 122 comprises the back-moving spring 125 between two hoodles 124 and two hoodles.Be easy to make hoodle 124 install and do not deviate from from through hole 123, a hoodle periphery wherein arranges a sleeve 126, arranges stop step 127 at another hoodle place.During such installation, hoodle 124 and back-moving spring 125 are put in one end large from aperture, then overlap upper bush 126.Elastic protrusion also can be a hoodle and a back-moving spring.
If second time pearl of the second pellet in lock core is hollow bead, the diameter of the elastic protrusion in key should between hollow hole aperture and the diameter of second time pearl.When elastic protrusion compresses this hollow bead, elastic protrusion is just pressed on hollow bead ring top 623, thus promotion hollow bead moves.
In order to increase unlocking difficulty further, described elastic protrusion is arranged on the front of key or/and with on the side of front vertical.Namely the horizontal plane of key and vertical plane can arrange elastic protrusion.
Retraction type pellet in the present invention may be used for any lock cylinder.
Claims (10)
1. a lock cylinder, comprise lock housing, lock gall, some first pellets and the first marble spring, the radial direction of described lock housing and lock gall is provided with the first marble hole, lock gall axial direction is provided with keyhole, described first pellet comprises pearl on first, first time pearl, described first marble spring, on first, pearl and first time pearl are arranged in the first marble hole successively, one end of first marble spring to be resisted against on first on pearl, the other end is resisted against bottom the first marble hole of lock housing, when locking, first time pearl all outstanding key hole wall when described first marble spring is in reset mode, it is characterized in that: described lock core also comprises at least one second pellet, second marble spring, the radial direction of described lock housing and lock gall is provided with the second marble hole, described second pellet comprises pearl on second, second time pearl, described second marble spring, pearl on second, second time pearl is arranged in the second marble hole successively, one end of second marble spring to be resisted against on second on pearl, the other end is resisted against bottom the second marble hole of lock housing, when locking, second time pearl retraction key hole wall when described second marble spring is in reset mode.
2. lock cylinder according to claim 1, is characterized in that second time pearl of described second pellet is hollow bead.
3. lock cylinder according to claim 1, on the second time pearl and second that it is characterized in that described second pellet, the overall outline in the cross section of pearl is T-shaped.
4. lock cylinder according to claim 1, it is characterized in that the cross section outline of second time pearl of described second pellet is T-shaped, on second, the cross section outline of pearl is rectangle.
5. lock cylinder according to claim 1, is characterized in that described lock core front vertically and is equipped with the first pellet, the first marble spring and the first marble hole perpendicular to the direction in front.
6. lock cylinder according to claim 1, is characterized in that described lock core front vertically and is equipped with the second pellet, the second marble spring and the second marble hole perpendicular to the direction in front.
7. according to the lock cylinder one of claim 1-6 Suo Shu, it is characterized in that described lock housing is overlapped by outer lock shell, the first lock gall and the second lock gall cover is formed, first lock gall cover, the second lock gall cover, outer lock shell from inside to outside successively suit and affixed, first marble hole, the second marble hole are opened in the first lock gall cover and lock gall, one end of first marble spring, the second marble spring is resisted against on pearl on first, second on pearl respectively, and the other end is resisted against the second lock gall and puts.
8. a key, comprise key body, key body comprises grip part and portion of unblanking, there is the pit matched with the first pellet in the lock cylinder one of claim 1-7 Suo Shu in the described portion of unblanking, it is characterized in that, the elastic protrusion that this key also has the second pellet in the described lock cylinder of one of at least one and claim 1-7 to match.
9. key according to claim 8, is characterized in that the back-moving spring that described elastic protrusion comprises one or two hoodle and is resisted against on hoodle.
10. key according to claim 8, is characterized in that described elastic protrusion is arranged on the front of key or/and with on the side of front vertical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410147215.6A CN103924838B (en) | 2014-04-14 | 2014-04-14 | Spring lock core and key |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410147215.6A CN103924838B (en) | 2014-04-14 | 2014-04-14 | Spring lock core and key |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103924838A CN103924838A (en) | 2014-07-16 |
| CN103924838B true CN103924838B (en) | 2016-04-13 |
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ID=51143214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410147215.6A Active CN103924838B (en) | 2014-04-14 | 2014-04-14 | Spring lock core and key |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103924838B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105781272A (en) * | 2016-05-03 | 2016-07-20 | 洪新海 | Steel cable lock |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201071630Y (en) * | 2006-12-25 | 2008-06-11 | 戴毅 | Spring lock core prevent technical unlocking |
| EP2166179A1 (en) * | 2008-09-05 | 2010-03-24 | Klaus Noch | Lock cylinder, in particular for a door lock |
| CN101446146A (en) * | 2008-12-25 | 2009-06-03 | 陆昱森 | Lock assembled with equilateral bidirectional locking spring |
| CN203867299U (en) * | 2014-04-14 | 2014-10-08 | 冯伟坚 | Spring lock core and key |
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2014
- 2014-04-14 CN CN201410147215.6A patent/CN103924838B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN103924838A (en) | 2014-07-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170511 Address after: 528400, one of the first second storey factories in the mausoleum Village Industrial Zone, Torch Development Zone, Guangdong, Zhongshan Patentee after: ZHONGSHAN TIANZHUO HARDWARE TECHNOLOGY Co.,Ltd. Address before: 528437 2 mausoleum Industrial Zone, Torch Development Zone, Guangdong, Zhongshan Patentee before: Feng Weijian |
|
| TR01 | Transfer of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Pin tumbler lock cylinder and key Effective date of registration: 20191118 Granted publication date: 20160413 Pledgee: Science and Technology Branch of Torch Development Zone of Zhongshan Rural Commercial Bank Co.,Ltd. Pledgor: ZHONGSHAN TIANZHUO HARDWARE TECHNOLOGY Co.,Ltd. Registration number: Y2019980000631 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230516 Granted publication date: 20160413 Pledgee: Science and Technology Branch of Torch Development Zone of Zhongshan Rural Commercial Bank Co.,Ltd. Pledgor: ZHONGSHAN TIANZHUO HARDWARE TECHNOLOGY Co.,Ltd. Registration number: Y2019980000631 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |