CN101550781B - Resistor lock - Google Patents
Resistor lock Download PDFInfo
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- CN101550781B CN101550781B CN2009100509275A CN200910050927A CN101550781B CN 101550781 B CN101550781 B CN 101550781B CN 2009100509275 A CN2009100509275 A CN 2009100509275A CN 200910050927 A CN200910050927 A CN 200910050927A CN 101550781 B CN101550781 B CN 101550781B
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- core
- contact
- lock
- pellet shot
- solenoid
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Abstract
A resistor lock belongs to the lockset technology field, and solves the technology problem of improving lockset safety. The lock core of the resistor lock consists of an outer core and an inner core; the lock core is provided with a plurality of radial billiards holes; each billiards hole is successively sleeved by a bead, an insulated hoodle, and a spring from outer to inner; a stabilized power supply, a protection resistor and a plurality of solenoids are disposed in the lock core; the solenoids matches the billiards holes one by one; a plurality of contacts are disposed on the lock hole inner wall; each solenoid matches a contact; other contacts are connected to the negative pole of the stabilized power supply through the protection resistor; one interface of each solenoid is connected to a corresponding contact on the lock hole inner wall, the other another is connected to the positive pole of the stabilized power supply; a plurality of minisize resistors are disposed in key; a plurality of contacts are disposed on the outer surface of the key corresponding to the contacts on the lock hole inner wall; and the minisize resistors match the solenoids one by one. The resistor lock provided in the invention has higher safety.
Description
Technical field
The present invention relates to the technology of lockset, particularly relate to a kind of technology of resistor lock.
Background technology
In lockset, use mechanical lock the most generally.As shown in Figure 7, the lock core of existing machinery lock is made up of outer core 1 ' and inner core 2 ', wherein inner core 2 ' turning set is located in the outer core 1 ', and be provided with axial lockhole 3 ' for the key insertion, on lock core, be provided with a plurality of pellet shot from a slingshot holes 4 ' radially that are communicated with its outer core 1 ' and inner core 2 ', each pellet shot from a slingshot hole 4 ' interior ecto-entad be slidingly connected successively a light spring 7 ' and two hoodles 6 ', 5 '; When key does not insert lockhole 3 ', two hoodles 6 ', 5 ' in the pellet shot from a slingshot hole 4 ' are subjected to the elastic force roof pressure of light spring 7 ', one end of hoodle 5 ' extends in the lockhole 3 ' from pellet shot from a slingshot hole 4 ', and the junction surface of blocking inner core 2 ' and outer core 1 ' of hoodle 6 ' can't be rotated inner core 2 '; When the key that is complementary when this lock core inserts lockhole 3 ', the tooth of key squeezes top hoodle 5 ', thereby the hoodle in each pellet shot from a slingshot hole 5 ', 6 ' is squeezed the junction surface that top to two pearl joints just in time are in inner core 3 ' and outer core 1 ', can make inner core 2 ' rotate the unlatching lockset.Existing mechanical lock is because outside the tooth of key is exposed to fully, therefore copy and duplicate extremely easy, and the pellet shot from a slingshot in the lockset is directly exposed in the lockhole, can utilize some professional tools to open lockset by the mode of " dialling pellet shot from a slingshot ", therefore the safety of existing mechanical lock is lower, has very big potential safety hazard.
Also some lockset improves its safety by magnet is set in key at present, but the magnet in this lockset key can jeopardize other objects, must separately carry with other object, uses extremely inconvenience.
Use more electronic access control system (as IC-card gate control system or fingerprint entrance guard system) in addition at present, these systems need use the smart electronics chip, its cost is higher, and send the instruction that outage is unblanked to relay again after the judgement of most of electronic access dependence chip, the danger that lockset can be opened automatically when therefore having system's accident, its safety is also lower.
Summary of the invention
At the defective that exists in the above-mentioned prior art, technical problem to be solved by this invention provides a kind of performance height easy to use, safe, resistor lock that cost is low.
In order to solve the problems of the technologies described above, a kind of resistor lock provided by the present invention, comprise lock core and key, described lock core is made up of outer core and inner core, described inner core turning set is located at outer in-core, and be provided with axial lockhole for the key insertion, its side face and outer in-core wall fluid-tight engagement, described lock core is provided with a plurality of pellet shot from a slingshot holes radially that are communicated with its outer core and inner core, it is characterized in that: the ecto-entad magnetic bead that is slidingly connected successively in each pellet shot from a slingshot hole, one insulation hoodle, one spring, a magnetic pole of described insulation hoodle and magnetic bead flexibly connects, and described spring one end props up the nearly lockhole end in pellet shot from a slingshot hole, and the other end props up the insulation hoodle; Have at least two magnetic beads in the pellet shot from a slingshot hole different with the weight sum of insulation hoodle;
Be provided with voltage-stabilized power supply and a plurality of solenoid in the described lock core, described solenoid is corresponding one by one with the pellet shot from a slingshot hole, and each solenoid is located at an inside side of its nearly lockhole end in corresponding pellet shot from a slingshot hole, and coaxial with this pellet shot from a slingshot hole; Described lockhole inwall is provided with a plurality of contacts, mutually insulated between each contact, and the corresponding contact of each solenoid, other contact is connected to the negative pole of voltage-stabilized power supply; Each solenoid all has two interfaces, and one of them interface is connected to the corresponding contact on the lockhole inwall, and another interface is connected to the positive pole of voltage-stabilized power supply;
Described key is made up of a plurality of miniature resistance, shell and insulation lever; Described shell shape size is corresponding with lockhole, and its external surface is provided with and the corresponding contact in each contact of lockhole inwall, mutually insulated between each contact; Described insulation lever and shell are affixed; Described miniature resistance is located in the shell, and corresponding one by one with solenoid, and each miniature resistance one is connected to and the corresponding contact in the contact that is connected the voltage-stabilized power supply negative pole, and the other end is connected to and connects its corresponding contact in corresponding solenoidal contact.
Further, the spring in the described pellet shot from a slingshot hole is a light spring.
Further, the miniature resistance of described key is Chip-R.
Further, the shell of described key is a metal shell.
Resistor lock provided by the invention has following beneficial effect: 1) owing to outside the secret part of key is not exposed to, therefore be difficult for copying and duplicating; 2) owing to the pellet shot from a slingshot in the lockset is not directly exposed in the lockhole, so its safety is higher; 3) key itself does not have magnetic, therefore needn't separate with other objects and carry, and is very easy to use; 4) its cost is lower than electronic access control system, and Shi Caineng unblanks and if only if the resistance of interior each the miniature resistance of key and arrangement and each solenoid are complementary, and its safety is higher.
Description of drawings
Fig. 1 is the cut-away illustration of the resistor lock of the embodiment of the invention when not inserting key;
Fig. 2 is the cut-away illustration after the resistor lock of the embodiment of the invention inserts correct key;
Fig. 3 be the resistor lock of the embodiment of the invention insert correct key and unblank after cut-away illustration;
Fig. 4 is the circuit diagram of the resistor lock of the embodiment of the invention when not inserting key;
Fig. 5 is the cut-away illustration of the key in the resistor lock of the embodiment of the invention;
Fig. 6 is the circuit diagram after the resistor lock of the embodiment of the invention inserts key;
Fig. 7 is the structural representation of existing machinery lock.
The specific embodiment
Below in conjunction with description of drawings embodiments of the invention are described in further detail, but present embodiment is not limited to the present invention, every employing analog structure of the present invention and similar variation thereof all should be listed protection scope of the present invention in.
As shown in Figure 1-Figure 3, a kind of resistor lock that the embodiment of the invention provided, comprise lock core and key, described lock core is made up of outer core 1 and inner core 2, described inner core 2 turning sets are located in the outer core 1, and be provided with axial lockhole 3 for the key insertion, its side face and outer core 1 inwall fluid-tight engagement, described lock core is provided with a plurality of pellet shot from a slingshot holes 4 radially that are communicated with its outer core 1 and inner core 2, it is characterized in that: ecto-entads magnetic bead 5 that is slidingly connected successively in each pellet shot from a slingshot hole 4, one insulation hoodle 6, one spring 7, described insulation hoodle 6 flexibly connects with a magnetic pole of magnetic bead 5, and described spring 7 one ends prop up the nearly lockhole end in pellet shot from a slingshot hole 4, and the other end props up insulation hoodle 6; Have at least two magnetic beads 5 in the pellet shot from a slingshot hole 4 different with the weight sum of insulation hoodle 6;
As shown in Figure 4, be provided with voltage-stabilized power supply, protective resistance R and a plurality of solenoid 9 in the described lock core, described solenoid 9 is corresponding one by one with pellet shot from a slingshot hole 4, and each solenoid 9 is located at an inside side of its corresponding pellet shot from a slingshot hole 4 nearly lockhole ends, and coaxial with this pellet shot from a slingshot hole 4; Described lockhole 3 (referring to Fig. 1) inwall is provided with a plurality of contacts 31, mutually insulated between each contact 31, and each solenoid 9 corresponding contact 31, other contact 31 is connected to the negative pole of voltage-stabilized power supply through protective resistance R; Each solenoid 9 all has two interfaces, and one of them interface is connected to the corresponding contact 31 on lockhole 3 inwalls, and another interface is connected to the positive pole of voltage-stabilized power supply;
As shown in Figure 5, described key is made up of a plurality of miniature resistance 8, shell 10 and insulation lever 11; Described shell 10 shapes size is corresponding with lockhole 3 (referring to Fig. 1), and its external surface is provided with and each corresponding contact 12 in contact 31 (referring to Fig. 4) of lockhole 3 inwalls, mutually insulated between each contact 12; Described insulation lever 11 is affixed with shell 10; Described miniature resistance 8 is located in the shell 10, and it is corresponding one by one with solenoid 9 (referring to Fig. 6), each miniature resistance 8 one is connected to and the contact 31 corresponding contacts that are connected the voltage-stabilized power supply negative pole, and the other end is connected to and connects its corresponding solenoidal contact 31 corresponding contacts.
The miniature resistance 8 of described key is Chip-R.
The shell 10 of described key is a metal shell.
The operating principle of the embodiment of the invention is as follows:
As shown in Figure 1, under normal condition, magnetic bead in the pellet shot from a slingshot hole and insulation hoodle are subjected to the influence of gravity and spring force, are still in the pellet shot from a slingshot hole, and inner core and outer core are insulated hoodle at the junction surface at place, pellet shot from a slingshot hole and block, and this moment, inner core can't rotate;
As Fig. 2, shown in Figure 6, after in lockhole, inserting correct key, the contact of key external surface contacts with each contact of lockhole inwall, thereby each interior miniature resistance of key is inserted make each solenoid conducting in the solenoidal circuit, the electric current that passes through on each solenoid makes each solenoid produce the electromagnetic field of suitable field intensity respectively, and the magnetic bead that promotes in its corresponding pellet shot from a slingshot hole by electromagnetic field repulsion is subjected to displacement, magnetic bead and insulation hoodle are static when electromagnetic field repulsion and spring force reach balance, magnetic bead in each pellet shot from a slingshot hole and insulation hoodle joint just in time are in the junction surface of inner core and outer core, this moment, screw key can drive the inner core rotation, thereby realized unblanking; Each solenoid cuts off the power supply after extracting key, makes magnetic field diminishes, the elastic force of spring make magnetic bead and insulation hoodle return back to original state.
After in lockhole, inserting wrong key, owing to have at least a corresponding solenoidal correct resistance of miniature resistance not match in the key with it, therefore can't make this solenoid produce the electromagnetic field of suitable field intensity, make the junction surface that magnetic bead in the pairing pellet shot from a slingshot of this solenoid hole and insulation hoodle joint are not in inner core and outer core, making inner core be stuck can't rotate, and can't open lockset.
Claims (4)
1. resistor lock, comprise lock core and key, described lock core is made up of outer core and inner core, described inner core turning set is located at outer in-core, and be provided with axial lockhole for the key insertion, its side face and outer in-core wall fluid-tight engagement, described lock core is provided with a plurality of pellet shot from a slingshot holes radially that are communicated with its outer core and inner core, it is characterized in that: be slidingly connected successively a magnetic bead, insulation hoodle, a spring of ecto-entad in each pellet shot from a slingshot hole, a magnetic pole of described insulation hoodle and magnetic bead flexibly connects, described spring one end props up the nearly lockhole end in pellet shot from a slingshot hole, and the other end props up the insulation hoodle; Have at least two magnetic beads in the pellet shot from a slingshot hole different with the weight sum of insulation hoodle;
Be provided with voltage-stabilized power supply and a plurality of solenoid in the described lock core, described solenoid is corresponding one by one with the pellet shot from a slingshot hole, and each solenoid is located at an inside side of its nearly lockhole end in corresponding pellet shot from a slingshot hole, and coaxial with this pellet shot from a slingshot hole; Described lockhole inwall is provided with a plurality of contacts, mutually insulated between each contact, and the corresponding contact of each solenoid, other contact is connected to the negative pole of voltage-stabilized power supply; Each solenoid all has two interfaces, and one of them interface is connected to the corresponding contact on the lockhole inwall, and another interface is connected to the positive pole of voltage-stabilized power supply;
Described key is made up of a plurality of miniature resistance, shell and insulation lever; Described shell shape size is corresponding with lockhole, and its external surface is provided with and the corresponding contact in each contact of lockhole inwall, mutually insulated between each contact; Described insulation lever and shell are affixed; Described miniature resistance is located in the shell, and corresponding one by one with solenoid, and each miniature resistance one is connected to and the corresponding contact in the contact that is connected the voltage-stabilized power supply negative pole, and the other end is connected to and connects its corresponding contact in corresponding solenoidal contact.
2. resistor lock according to claim 1 is characterized in that: the spring in the described pellet shot from a slingshot hole is a light spring.
3. resistor lock according to claim 1 is characterized in that: the miniature resistance of described key is Chip-R.
4. resistor lock according to claim 1 is characterized in that: the shell of described key is a metal shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100509275A CN101550781B (en) | 2009-05-11 | 2009-05-11 | Resistor lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100509275A CN101550781B (en) | 2009-05-11 | 2009-05-11 | Resistor lock |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101550781A CN101550781A (en) | 2009-10-07 |
| CN101550781B true CN101550781B (en) | 2011-11-16 |
Family
ID=41155248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100509275A Expired - Fee Related CN101550781B (en) | 2009-05-11 | 2009-05-11 | Resistor lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101550781B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113668956B (en) * | 2021-07-27 | 2022-12-20 | 北京智胜远景科技有限公司 | Anti-theft lock based on resistance change |
| CN113668955B (en) * | 2021-07-27 | 2022-07-05 | 杭州亿居科技有限公司 | Anti-theft lock based on resistance change |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4186578A (en) * | 1978-01-09 | 1980-02-05 | Sommer Frederick A | Tamper preventing lock |
| CN2424271Y (en) * | 2000-06-01 | 2001-03-21 | 罗士中 | Buckliing device of electromagnetic lock |
| CN2674025Y (en) * | 2004-01-17 | 2005-01-26 | 上海欧一安保器材有限公司 | Electric control lock |
-
2009
- 2009-05-11 CN CN2009100509275A patent/CN101550781B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4186578A (en) * | 1978-01-09 | 1980-02-05 | Sommer Frederick A | Tamper preventing lock |
| CN2424271Y (en) * | 2000-06-01 | 2001-03-21 | 罗士中 | Buckliing device of electromagnetic lock |
| CN2674025Y (en) * | 2004-01-17 | 2005-01-26 | 上海欧一安保器材有限公司 | Electric control lock |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101550781A (en) | 2009-10-07 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111116 Termination date: 20130511 |