CN109972919B - Lock with gate mechanism - Google Patents
Lock with gate mechanism Download PDFInfo
- Publication number
- CN109972919B CN109972919B CN201811622383.0A CN201811622383A CN109972919B CN 109972919 B CN109972919 B CN 109972919B CN 201811622383 A CN201811622383 A CN 201811622383A CN 109972919 B CN109972919 B CN 109972919B
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- tooth
- key
- concave
- lock
- gate
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B19/00—Keys; Accessories therefor
- E05B19/0017—Key profiles
- E05B19/0035—Key profiles characterized by longitudinal bit variations
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B29/00—Cylinder locks and other locks with plate tumblers which are set by pushing the key in
- E05B29/0053—Cylinder locks and other locks with plate tumblers which are set by pushing the key in with increased picking resistance
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Lock And Its Accessories (AREA)
- Gates (AREA)
Abstract
The invention discloses a lockset with a gate mechanism, which comprises a lock body and a key, wherein the lock body is provided with a lock body; the lock body is provided with a key hole, the front part of the key hole of the lock body is provided with an upper gate and a lower gate which can be linked with a lock core in the lock body, and when the key completely enters the key hole of the lock body, the upper gate and the lower gate move from the upper part and the lower part of the key to the key direction and are matched with the upper part and the lower part of the key in a matching way, so that the key hole is sealed. According to the invention, the gate mechanism is arranged at the front part of the key hole of the lock body, when the key extends into the key hole of the lock body, the gate mechanism at the front part of the key hole of the lock body is closed, so that other tools cannot extend into the key hole, the phenomenon of unlocking through the key hole technology is effectively prevented, and the safety of the lock is greatly improved.
Description
Technical Field
The invention relates to a lockset, in particular to a lockset with a gate mechanism.
Background
The lock generally comprises a lock body and a key, wherein the lock body is generally provided with a key hole, and when the lock is unlocked, the key is inserted into the key hole, and the lock is unlocked through matching of a tooth groove of the key and a lock cylinder component in the lock body. The lock core parts of many locks in the prior art adopt a spring mechanism, and spring locks have many defects in practical application, and are easy to be opened by people using special lock-poking tools, for example, an unlocking person uses an unlocking steel wire hook to poke the springs in the lock body and the lock core to the matching surfaces of the lock core and the lock body one by one, and then rotates the lock core to open the lock; for another example, after a key with tinfoil is inserted into the lock hole and shaken, marble traces are printed on the tinfoil to enable all marbles to fall on the matching surface of the lock core and the lock body, and then the lock core is rotated to realize unlocking; many illegal unlocking methods are realized by inserting tools into the key hole, so that how to prevent illegal tools from entering the lock body through the key hole becomes a technical problem which needs to be solved urgently by technical personnel.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a lock with a gate mechanism.
The invention adopts the following specific technical scheme for solving the technical problems: a lock with a gate mechanism comprises a lock body and a key; the lock body is provided with a key hole, the front part of the key hole of the lock body is provided with an upper gate and a lower gate which can be linked with a lock core in the lock body, and when the key completely enters the key hole of the lock body, the upper gate and the lower gate move from the upper part and the lower part of the key to the key direction and are matched with the upper part and the lower part of the key in a matching way, so that the key hole is sealed.
The bottom of going up the gate is equipped with first concave-convex structure, the top of lower gate is equipped with second concave-convex structure, the higher authority of key is equipped with third concave-convex structure, be equipped with fourth concave-convex structure below the key, work as when the key gets into the key hole of lock body completely, the first concave-convex structure of the bottom of going up the gate coincide with the third concave-convex structure above the key and cooperates, and the second concave-convex structure of the top of lower gate coincides with the fourth concave-convex structure below the key and cooperates.
The bottom of the upper gate is provided with a first acute-angle-shaped structure, the top of the lower gate is provided with a second acute-angle-shaped structure, the upper surface of the key is provided with a third acute-angle-shaped structure, the lower surface of the key is provided with a fourth acute-angle-shaped structure, when the key completely enters the keyhole of the lock head, the first acute-angle-shaped structure at the bottom of the upper gate is matched with the third acute-angle-shaped structure at the upper surface of the key in an inosculating manner, and the second acute-angle-shaped structure at the top of the lower gate is matched with the fourth acute-angle-shaped structure at the lower surface of the key in an inosculating manner.
The third concave-convex structure of the key is a plurality of tooth-shaped structures arranged along the length direction of the key, the first concave-convex structure of the upper gate is also a plurality of tooth-shaped structures arranged corresponding to the length direction of the key, the tooth protrusions of the first concave-convex structure are matched with the tooth recesses of the third concave-convex structure, and the tooth recesses of the first concave-convex structure are matched with the tooth protrusions of the third concave-convex structure; the fourth concave-convex structure of the key is a plurality of tooth-shaped structures arranged along the length direction of the key, the second concave-convex structure of the lower gate is also a plurality of tooth-shaped structures arranged corresponding to the length direction of the key, the tooth protrusions of the second concave-convex structure are matched with the tooth recesses of the fourth concave-convex structure, and the tooth recesses of the second concave-convex structure are matched with the tooth protrusions of the fourth concave-convex structure.
The third relief structure of the upper face of the key is of complementary shape to the fourth relief structure of the lower face of the key.
And randomly designed and correspondingly matched concave-convex points are respectively arranged in the corresponding and matched tooth convex and tooth concave.
The key is characterized in that at least one rib is arranged in the tooth concave on the upper surface and/or the lower surface of the key along the length direction of the key, a matched groove is arranged at the corresponding position of the corresponding tooth convex of the upper gate and/or the lower gate, and when the key completely enters the key hole of the lock body, the rib is matched in the groove.
The tooth-shaped structure is a triangular tooth.
The tooth-shaped structure is a rectangular tooth.
The tooth-shaped structure is a trapezoidal tooth.
The tooth-shaped structure is a wave-shaped tooth.
Compared with the prior art, the invention has the beneficial effects that:
1. the bottom of the upper gate is provided with a first concave-convex structure, the top of the lower gate is provided with a second concave-convex structure, the upper surface of the key is provided with a third concave-convex structure, the lower surface of the key is provided with a fourth concave-convex structure, when the key completely enters the key hole of the lock body, the first concave-convex structure at the bottom of the upper gate is matched with the third concave-convex structure at the upper surface of the key, and the second concave-convex structure at the top of the lower gate is matched with the fourth concave-convex structure at the lower surface of the key. The structure of the invention ensures that other tools can not extend into the key hole, thereby effectively preventing the occurrence of unlocking through the key hole technology and greatly improving the safety of the lockset.
2. Because the corresponding matched tooth convex and tooth concave are adopted, the randomly designed and correspondingly matched concave-convex points are also respectively arranged. According to the structure, the matching of concave and convex points of the tooth bulges and the tooth recesses is utilized, on one hand, the connection strength of the tooth bulges and the tooth recesses between the upper gate, the lower gate and the key is further enhanced, and on the other hand, the key hole is further sealed through further matching.
3. Due to the fact that at least one rib is arranged in the tooth concave parts on the upper surface and/or the lower surface of the key along the length direction of the key, the corresponding positions of the corresponding tooth convex parts of the upper gate and/or the lower gate are provided with matched grooves, and when the key completely enters the key hole of the lock body, the rib is matched in the grooves. The structure of the invention enhances the strength of the key on the one hand, and further realizes the closing of the keyhole through further matching on the other hand.
The invention is further explained in detail with the accompanying drawings and the embodiments; however, the lock with a shutter mechanism of the present invention is not limited to the embodiment.
Drawings
FIG. 1 is a schematic structural view of a first embodiment of the present invention (the key does not enter the keyhole of the lock body);
FIG. 2 is a schematic structural view of a first embodiment of the invention (a key enters a keyhole of a lock body);
FIG. 3 is a schematic structural view of an upper gate according to a first embodiment of the present invention;
FIG. 4 is a schematic structural view of a lower gate according to a first embodiment of the present invention;
FIG. 5 is a schematic structural view of a key according to a first embodiment of the present invention;
FIG. 6 is an enlarged schematic view of section A of FIG. 5;
FIG. 7 is a schematic view of a key and upper and lower gates to be engaged according to a first embodiment of the present invention;
FIG. 8 is a sectional view showing the structure of a key coupled to upper and lower gates according to a first embodiment of the present invention;
FIG. 9 is an enlarged schematic view of section B of FIG. 8;
fig. 10 is a schematic view of the structure of the second embodiment of the invention in which the key is engaged with the upper and lower gates.
Detailed Description
Example one
Referring to fig. 1 to 9, the lock with a gate mechanism of the present invention includes a lock body 1 and a key 2; the lock body 1 is provided with a key hole 11, the front part of the key hole 11 of the lock body 1 is provided with an upper gate 31 and a lower gate 32 which can be linked with a lock core in the lock body, when the key 2 completely enters the key hole 11 of the lock body 1, the upper gate 31 and the lower gate 32 move from the upper part and the lower part of the key 2 to the key direction and are matched with the upper part and the lower part of the key 2 in a matching way, so that the key hole 11 is sealed.
In this embodiment, the bottom of the upper gate 31 is provided with a first concave-convex structure, the top of the lower gate 32 is provided with a second concave-convex structure, the upper surface of the key 2 is provided with a third concave-convex structure, the lower surface of the key 2 is provided with a fourth concave-convex structure, when the key 2 completely enters the keyhole 11 of the lock body 1, the first concave-convex structure at the bottom of the upper gate 31 is matched with the third concave-convex structure at the upper surface of the key 2, and the second concave-convex structure at the top of the lower gate 32 is matched with the fourth concave-convex structure at the lower surface of the key 2.
In this embodiment, the third concave-convex structure of the key 2 is a plurality of tooth-shaped structures arranged along the longitudinal direction of the key, that is, includes a plurality of tooth protrusions 21 and tooth recesses 22, the first concave-convex structure of the upper shutter 31 is also a plurality of tooth-shaped structures arranged corresponding to the longitudinal direction of the key, that is, includes a plurality of tooth protrusions 311 and tooth recesses 312, the tooth protrusions 311 of the first concave-convex structure are fitted to the tooth recesses 22 of the third concave-convex structure, and the tooth recesses 312 of the first concave-convex structure are fitted to the tooth protrusions 22 of the third concave-convex structure; the fourth concave-convex structure of the key is a plurality of tooth-shaped structures arranged along the length direction of the key, namely, a plurality of tooth protrusions 23 and tooth recesses 24, the second concave-convex structure of the lower gate is a plurality of tooth-shaped structures arranged along the length direction of the key, namely, a plurality of tooth protrusions 321 and tooth recesses 322, the tooth protrusions 321 of the second concave-convex structure are matched with the tooth recesses 24 of the fourth concave-convex structure, and the tooth recesses 322 of the second concave-convex structure are matched with the tooth protrusions 23 of the fourth concave-convex structure.
In this embodiment, the third concave-convex structure on the upper surface of the key and the fourth concave-convex structure on the lower surface of the key are complementary, that is, the tooth concave 24 is arranged below the tooth convex 21, and the tooth convex 23 is arranged below the tooth concave 22.
In this embodiment, concave and convex points which are correspondingly matched are also respectively arranged in the tooth convex and the tooth concave which are correspondingly matched. Taking the matching of the upper surface of the key 2 and the upper gate 31 as an example, the dent 22 on the upper surface of the key 2 is provided with a concave point 221 and a convex point 223, the corresponding position of the dent 311 of the upper gate 31 is provided with a convex point 313 and a concave point 315, when the key 2 completely enters the keyhole 11 of the lock body 1, the concave point 221 of the key 2 is matched with the convex point 313 of the upper gate 31, and the convex point 223 of the key 2 is matched with the concave point 315 of the upper gate 31.
In this embodiment, at least one rib is further provided in the indentation of the upper and/or lower surface of the key along the length direction of the key, a matching groove is provided at a position corresponding to the corresponding protrusion of the upper and/or lower gate, taking the matching of the upper surface of the key 2 with the upper gate 31 as an example, at least two ribs 222 are further provided in the indentation 22 of the upper surface of the key along the length direction of the key, a matching groove 314 is provided at a position corresponding to the corresponding protrusion of the upper gate, and when the key 2 completely enters the keyhole of the lock body, the ribs 222 are matched in the groove 314.
In this embodiment, the tooth-shaped structure is a triangular tooth.
Example two
Referring to fig. 10, the lock with a gate mechanism according to the present invention is different from the first embodiment in that the tooth-shaped structure is a rectangular tooth.
The tooth-shaped structure is a trapezoidal tooth.
The invention relates to a lock with a gate mechanism, which adopts the structure that a first concave-convex structure is arranged at the bottom of an upper gate 31, a second concave-convex structure is arranged at the top of a lower gate 32, a third concave-convex structure is arranged on a key 2, a fourth concave-convex structure is arranged below the key 2, when the key completely enters a key hole of a lock body, the first concave-convex structure at the bottom of the upper gate 31 is matched with the third concave-convex structure on the upper surface of the key 2, and the second concave-convex structure at the top of the lower gate 32 is matched with the fourth concave-convex structure on the lower surface of the key 2. The structure of the invention ensures that other tools can not extend into the key hole, thereby effectively preventing the occurrence of unlocking through the key hole technology and greatly improving the safety of the lockset.
The invention relates to a lock with a gate mechanism, which is characterized in that randomly designed and correspondingly matched concave-convex points are respectively arranged in correspondingly matched tooth bulges and tooth recesses. According to the structure, the matching of concave and convex points of the tooth bulges and the tooth recesses is utilized, on one hand, the connection strength of the tooth bulges and the tooth recesses between the upper gate, the lower gate and the key is further enhanced, and on the other hand, the key hole is further sealed through further matching.
The invention relates to a lock with a gate mechanism, which adopts a tooth concave on the upper surface and/or the lower surface of a key and is also provided with at least one rib along the length direction of the key, the corresponding position of the corresponding tooth convex of an upper gate and/or a lower gate is provided with a matched groove, and when the key completely enters a key hole of a lock body, the rib is matched in the groove. The structure of the invention enhances the strength of the key on the one hand, and further realizes the closing of the keyhole through further matching on the other hand.
The foregoing is considered as illustrative of the preferred embodiments of the invention and is not to be construed as limiting the invention in any way. Although the present invention has been described with reference to the preferred embodiments, it is not intended to be limited thereto. Those skilled in the art can make many possible variations and modifications to the disclosed embodiments, or equivalent modifications, without departing from the scope of the disclosed embodiments. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention should fall within the protection scope of the technical scheme of the present invention, unless the technical spirit of the present invention departs from the content of the technical scheme of the present invention.
Claims (7)
1. A lock with a gate mechanism comprises a lock body and a key; the lock body is equipped with the key hole, its characterized in that: an upper gate and a lower gate which can be linked with a lock cylinder in the lock body are arranged at the front part of a key hole of the lock body, a first concave-convex structure is arranged at the bottom of the upper gate, a second concave-convex structure is arranged at the top of the lower gate, a third concave-convex structure is arranged on the upper surface of the key, a fourth concave-convex structure is arranged on the lower surface of the key, the key enters the key hole of the lock body and is linked with the lock cylinder, so that the upper gate and the lower gate move from the upper part and the lower part of the key to the key direction, when the key completely enters the key hole of the lock body, the first concave-convex structure at the bottom of the upper gate is matched with the third concave-convex structure on the upper surface of the key, and the second concave-convex structure at the top of the lower gate is matched with the fourth concave-convex structure on the lower surface of the key, so that the key hole is sealed; the first concave-convex structure, the second concave-convex structure, the third concave-convex structure and the fourth concave-convex structure are all tooth-shaped structures arranged along the length direction of the key, the tooth projection of the first tooth-shaped structure is matched with the tooth recess of the third tooth-shaped structure, the tooth recess of the first tooth-shaped structure is matched with the tooth projection of the third tooth-shaped structure, the tooth projection of the second tooth-shaped structure is matched with the tooth recess of the fourth tooth-shaped structure, and the tooth recess of the second tooth-shaped structure is matched with the tooth projection of the fourth tooth-shaped structure; and randomly designed and correspondingly matched concave-convex points are also respectively arranged in the inclined planes of the correspondingly matched tooth convex and tooth concave.
2. The lock with a shutter mechanism according to claim 1, characterized in that: the third tooth-shaped structure of the key is a plurality of tooth shapes, the first tooth-shaped structure of the upper gate is also a plurality of tooth shapes, the tooth projection of the first tooth-shaped structure is matched with the tooth recess of the third tooth-shaped structure, and the tooth recess of the first tooth-shaped structure is matched with the tooth projection of the third tooth-shaped structure; the fourth profile structure of key is a plurality of profiles, the second profile structure of lower gate also is a plurality of profiles, and the tooth of second profile structure is protruding to cooperate with the tooth of fourth profile structure concavely, and the tooth of second profile structure concavely cooperatees with the tooth of fourth profile structure convexly.
3. The lock with a shutter mechanism according to claim 2, characterized in that: the upper third profile of the key is of complementary shape to the lower fourth profile of the key.
4. The lock with a shutter mechanism according to claim 2, characterized in that: the key is characterized in that at least one rib is arranged in the tooth concave on the upper surface and/or the lower surface of the key along the length direction of the key, a matched groove is arranged at the corresponding position of the corresponding tooth convex of the upper gate and/or the lower gate, and when the key completely enters the key hole of the lock body, the rib is matched in the groove.
5. The lock with shutter mechanism according to claim 2, 3 or 4, characterized in that: the tooth-shaped structure is a triangular tooth.
6. The lock with shutter mechanism according to claim 2, 3 or 4, characterized in that: the tooth-shaped structure is a trapezoidal tooth.
7. The lock with shutter mechanism according to claim 2, 3 or 4, characterized in that: the tooth-shaped structure is a wave-shaped tooth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811622383.0A CN109972919B (en) | 2018-12-28 | 2018-12-28 | Lock with gate mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811622383.0A CN109972919B (en) | 2018-12-28 | 2018-12-28 | Lock with gate mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109972919A CN109972919A (en) | 2019-07-05 |
| CN109972919B true CN109972919B (en) | 2022-02-22 |
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ID=67076474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811622383.0A Active CN109972919B (en) | 2018-12-28 | 2018-12-28 | Lock with gate mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109972919B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201314148Y (en) * | 2008-10-07 | 2009-09-23 | 朱锡东 | Anti-technology opening zigzag groove pin tumbler lock core |
| CN105317279A (en) * | 2015-08-06 | 2016-02-10 | 朱嘉斌 | Double-cylinder mutual-control axial displacement mechanical lock |
| JP2016217042A (en) * | 2015-05-22 | 2016-12-22 | 株式会社東海理化電機製作所 | Key cylinder device |
| CN108779652A (en) * | 2016-03-16 | 2018-11-09 | Assa有限公司 | Cylinder lock & key system |
| CN209687040U (en) * | 2018-12-28 | 2019-11-26 | 朱嘉斌 | Lockset with gate mechanism |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9435138B2 (en) * | 2014-02-28 | 2016-09-06 | Schlage Lock Company Llc | Modular lock plug |
-
2018
- 2018-12-28 CN CN201811622383.0A patent/CN109972919B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201314148Y (en) * | 2008-10-07 | 2009-09-23 | 朱锡东 | Anti-technology opening zigzag groove pin tumbler lock core |
| JP2016217042A (en) * | 2015-05-22 | 2016-12-22 | 株式会社東海理化電機製作所 | Key cylinder device |
| CN105317279A (en) * | 2015-08-06 | 2016-02-10 | 朱嘉斌 | Double-cylinder mutual-control axial displacement mechanical lock |
| CN108779652A (en) * | 2016-03-16 | 2018-11-09 | Assa有限公司 | Cylinder lock & key system |
| CN209687040U (en) * | 2018-12-28 | 2019-11-26 | 朱嘉斌 | Lockset with gate mechanism |
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| Publication number | Publication date |
|---|---|
| CN109972919A (en) | 2019-07-05 |
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