CN201786089U - Lock and alarm device thereof - Google Patents
Lock and alarm device thereof Download PDFInfo
- Publication number
- CN201786089U CN201786089U CN201020231314XU CN201020231314U CN201786089U CN 201786089 U CN201786089 U CN 201786089U CN 201020231314X U CN201020231314X U CN 201020231314XU CN 201020231314 U CN201020231314 U CN 201020231314U CN 201786089 U CN201786089 U CN 201786089U
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- ratchet
- lock
- microswitch
- tapered end
- transmission device
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Abstract
The utility model discloses a lock comprising a lock box, a lock head, a lock bolt and a drive device, wherein the lock head is installed on the lock box, and the drive device and the lock head are in transmission connection with the lock bolt. The lock head further comprises a first lock head opened by a knob, a second lock head opened by a key and a drive mechanism. The utility model also discloses an alarm device that is additionally provided with a micro-switch and a buzzer on the basis of the lock. The advantages include low mutual opening rate, high safety and good anti-theft effect.
Description
Technical field
The utility model relates to a kind of lock and warning device thereof.
Background technology
Traditional lock generally all is provided with lock core on the two sides, inside and outside all need with key operated, there is not key just can't open the door if lock indoor people like this, the danger that can't open the door just this is easy to can not find key under the dangerous situation that takes place such as fire.
Simultaneously, if the two sides all is provided with lock core, two shared pellet shot from a slingshot resources of lock core meeting under the prerequisite of producing in batches, just certainly will increase the mutual opening rate of lock so so, and generally speaking, if the two sides is provided with lock core, mutual opening rate can be up to 1%.
Summary of the invention
First purpose of the present utility model is: a kind of lock is provided, and implementation structure is reasonable, and mutual opening rate is low, safe purpose.
Second purpose of the present utility model is: a kind of warning device of lock is provided, can be illegally opened at lock, perhaps realize audible alarm under the situation that door is pried open.
First purpose of the present utility model is achieved in that
A kind of lock, comprise lock box, tapered end, locking bolt and transmission device, described tapered end is installed on the lock box, described transmission device and described tapered end and locking bolt are in transmission connection, described tapered end further comprises first tapered end and second tapered end, this first tapered end comprises a knob and the button of being located on this knob of locking, in this second tapered end lock core is installed, described transmission device further comprises first ratchet, this first ratchet shaft is received on the described knob, this first ratchet drives described locking bolt motion, transmission device also comprises second ratchet, this second ratchet shaft is received described second tapered end, but the axial displacement under described control of locking button of described first ratchet, and the matching relationship of described first ratchet and second ratchet is controlled by the described button of locking.
Because first tapered end has adopted knob structure, therefore just can open locking bolt at indoor needs rotation knob by first gear, simultaneously can be by locking button with the first ratchet axial displacement, make the meshing relation of the disengaging of first ratchet and second ratchet, therefore, just can't open the door by first tapered end outdoors, under indoor situation of causing danger, can in time escape, has beneficial effect rational in infrastructure, safe.
Above-mentioned transmission device is located in the lock box, one side inwall of this lock box is provided with a wedge shaped projection, this projection is located between the maximum radius and least radius of described first ratchet, the axial distance of this projection and this first ratchet is less than the axial stroke of described first ratchet, this first ratchet and the rotation of this projection cooperate, this first ratchet of this projection ejection produces axial displacement, and then produces meshing relation with described second ratchet.
The purpose that wedge shaped projection is set is to rotate knob when locking under the situation that button presses, and wedge shaped projection can be pushed up back original position with first ratchet, from the meshing relation of the new acquisition and second ratchet.
Above-mentioned locking bolt comprises first expansion plate and second expansion plate, described transmission device comprises also and first shift fork and second shift fork of described first ratchet and described second ratchet gearing that this first shift fork and second shift fork drive this first expansion plate respectively and second expansion plate moves in the opposite direction.
Second purpose of the present utility model is achieved in that
A kind of warning device, comprise above-mentioned lock, also comprise first microswitch and buzzer, described buzzer is controlled by described first microswitch, described microswitch is located at the lock core place, and opened by the insertion of key, described buzzer is set to this microswitch and opens back certain hour work at interval.
Microswitch can be opened by the insertion of key or other unlocking apparatus, and microswitch control buzzer sends alarm sound, realizes antitheft purpose.
Above-mentioned buzzer is set to microswitch and opens work in back three seconds.
The time of normally unblanking generally can not surpass three seconds, therefore, also is not unlocked when key inserts above three seconds doors, and buzzer just can send alarm sound.
Above-mentioned warning device also comprises a pick-proof mechanism, this pick-proof mechanism comprises the back-moving spring of a push rod and this push rod, also comprises second microswitch that is controlled by this push rod, and this push rod is located at the marginal position of door, when door was in closed condition, this push rod triggered this second microswitch.
Be provided with the 3rd microswitch in the above-mentioned lock box, the 3rd microswitch is controlled by described locking bolt.
The purpose that the 3rd microswitch is set is in order to realize and the interlock of second microswitch that its principle is: normally opened when lock, the 3rd microswitch is in closed condition, even second microswitch is opened does not also report to the police; And be in lockup state when locking, and the 3rd microswitch is opened, if this moment, second microswitch was opened, can be judged to be is the behavior of forcing open the door, buzzer warning.
Description of drawings
Fig. 1 is the structural representation of present embodiment;
Fig. 2 is the structural representation of another angle of present embodiment;
Fig. 3 is an external structure schematic diagram of the present utility model;
Fig. 4 is the structural representation of the utility model warning device.
The specific embodiment
The utility model is described in further detail with concrete case study on implementation below in conjunction with accompanying drawing, but not as the qualification to technical solutions of the utility model.
Present embodiment comprises lock box 1, tapered end, locking bolt and transmission device, tapered end is installed on the lock box 1, transmission device and tapered end and locking bolt are in transmission connection, tapered end further comprises the first tapered end 2-1 and the second tapered end 2-2, this first tapered end 2-1 comprises a knob 2-1-1 and is located at and locks button 2-1-2 on this knob 2-1-1, in this second tapered end 2-2 lock core 2-2-1 is installed, transmission device further comprises the first ratchet 3-1, this first ratchet 3-1 is pivoted on the knob 2-1-1, this first ratchet 3-1 drives the locking bolt motion, transmission device also comprises the second ratchet 3-2, this second ratchet 3-2 is pivoted to the second tapered end 2-2, but first ratchet 3-1 axial displacement under the control of locking button 2-1-2, the matching relationship of the first ratchet 3-1 and the second ratchet 3-2 is controlled by locks button 2-1-2, promptly when locking button 2-1-2 in the raw the time, the first ratchet 3-1 and second ratchet 3-2 engagement, when locking button 2-1-2 and press, the first ratchet 3-1 and the second ratchet 3-2 do not have meshing relation.
Because the first tapered end 2-1 has adopted knob structure, therefore just can open locking bolt at indoor needs rotation knob 2-1-1 by the first gear 3-1, simultaneously can be by locking button 2-1-2 with the first ratchet 3-1 axial displacement, make the meshing relation of the first ratchet 3-1 disengaging and the second ratchet 3-2, therefore, just can't open the door by the first tapered end 2-1 outdoors, under indoor situation of causing danger, can in time escape, has beneficial effect rational in infrastructure, safe.
The transmission device of present embodiment is located in the lock box 1, one side inwall of this lock box 1 is provided with a wedge shaped projection (not shown), this projection is located between the maximum radius and least radius of the first ratchet 3-1, the axial distance of this projection and this first ratchet 3-1 is less than the axial stroke of the described first ratchet 3-1, this first ratchet 3-1 and the rotation of this projection cooperate, this first ratchet of this projection ejection 3-1 produces axial displacement, and then produces meshing relation with the described second ratchet 3-2.
The purpose that wedge shaped projection is set is when locking rotation knob 2-1-1 under the situation that button 2-1-2 presses, and wedge shaped projection can be pushed up back original position with the first ratchet 3-1, from the meshing relation of the new acquisition and the second ratchet 3-2.
The locking bolt of present embodiment comprises the first expansion plate 4-1 and the second expansion plate 4-2, transmission device comprises also and the first shift fork 9-1 and the second shift fork 9-2 of described first ratchet 2-1 and second ratchet 2-2 interlock that this first shift fork 9-1 and the second shift fork 9-2 drive this first expansion plate 4-1 respectively and the second expansion plate 4-2 moves in the opposite direction.
The warning device of present embodiment comprises above-mentioned lock, also comprise the first microswitch 5-1 and buzzer 6, buzzer 6 is controlled by the first microswitch 5-1, the first microswitch 5-1 is located at lock core 2-2-1 place, and opened by the insertion of key, buzzer 6 is set to this first microswitch 5-1 and opens back certain hour work at interval.
The first microswitch 5-1 can be opened by the insertion of key or other unlocking apparatus, and first microswitch 5-1 control buzzer 6 sends alarm sound, realizes antitheft purpose.
The buzzer 6 of present embodiment is set to microswitch and opens work in back three seconds.
The time of normally unblanking generally can not surpass three seconds, therefore, also is not unlocked when key inserts above three seconds doors, and buzzer 6 just can send alarm sound.
The warning device of present embodiment also comprises a pick-proof mechanism, this pick-proof mechanism comprises the back-moving spring 8 of a push rod 7 and this push rod 7, also comprise the second microswitch 5-2 that is controlled by this push rod 7, this push rod 7 is located at the marginal position of door, when door was in closed condition, this push rod 7 triggered this second microswitch 5-2.
Be provided with the 3rd microswitch 5-3 in the lock box 1 of present embodiment, the 3rd microswitch 5-3 is controlled by locking bolt.
The purpose that the 3rd microswitch 5-3 is set is in order to realize and the interlock of the second microswitch 5-2 that its principle is: normally opened when lock, the 3rd microswitch 5-3 is in closed condition, even the second microswitch 5-2 is opened does not also report to the police; And be in lockup state when locking, and the 3rd microswitch 5-3 opens, if this moment, the second microswitch 5-2 was opened, can be judged to be is the behavior of forcing open the door, buzzer warning.
Of particular note; the foregoing description only is a better embodiment; but embodiment not merely is restricted to the described embodiments; other any do not deviate from change that this programme innovative point done, substitutes, combination or simplify; all should be considered as the substitute mode of equivalence, be included within the protection domain.
Claims (7)
1. lock, comprise lock box, tapered end, locking bolt and transmission device, described tapered end is installed on the lock box, described transmission device and described tapered end and locking bolt are in transmission connection, it is characterized in that: described tapered end further comprises first tapered end and second tapered end, this first tapered end comprises a knob and the button of being located on this knob of locking, in this second tapered end lock core is installed, described transmission device further comprises first ratchet, this first ratchet shaft is received on the described knob, this first ratchet drives described locking bolt motion, transmission device also comprises second ratchet, this second ratchet shaft is received described second tapered end, but the axial displacement under described control of locking button of described first ratchet, and the matching relationship of described first ratchet and second ratchet is controlled by the described button of locking.
2. a kind of lock according to claim 1, it is characterized in that: described transmission device is located in the lock box, one side inwall of this lock box is provided with a wedge shaped projection, this projection is located between the maximum radius and least radius of described first ratchet, the axial distance of this projection and this first ratchet is less than the axial stroke of described first ratchet, this first ratchet and the rotation of this projection cooperate, and this first ratchet of this projection ejection produces axial displacement, and then produce meshing relation with described second ratchet.
3. a kind of lock according to claim 1 and 2, it is characterized in that: described locking bolt comprises first expansion plate and second expansion plate, described transmission device comprises also and first shift fork and second shift fork of described first ratchet and described second ratchet gearing that this first shift fork and second shift fork drive this first expansion plate respectively and second expansion plate moves in the opposite direction.
4. warning device, comprise lock according to claim 3, it is characterized in that: also comprise first microswitch and buzzer, described buzzer is controlled by described first microswitch, described microswitch is located at the lock core place, and opened by the insertion of key, described buzzer is set to this microswitch and opens back certain hour work at interval.
5. a kind of warning device according to claim 4 is characterized in that: described buzzer is set to microswitch and opens work in back 3 seconds.
6. a kind of warning device according to claim 4, it is characterized in that: described anti-theft device also comprises a pick-proof mechanism, this pick-proof mechanism comprises the back-moving spring of a push rod and this push rod, also comprise second microswitch that is controlled by this push rod, this push rod is located at the marginal position of door, when door was in closed condition, this push rod triggered this second microswitch.
7. according to each described a kind of warning device of claim 5-6, it is characterized in that: be provided with the 3rd microswitch in the described lock box, the 3rd microswitch is controlled by described locking bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020231314XU CN201786089U (en) | 2010-06-21 | 2010-06-21 | Lock and alarm device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020231314XU CN201786089U (en) | 2010-06-21 | 2010-06-21 | Lock and alarm device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201786089U true CN201786089U (en) | 2011-04-06 |
Family
ID=43818057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020231314XU Expired - Fee Related CN201786089U (en) | 2010-06-21 | 2010-06-21 | Lock and alarm device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201786089U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105569463A (en) * | 2016-02-22 | 2016-05-11 | 广州利凌电子有限公司 | Self-adsorption lock for public bicycle |
-
2010
- 2010-06-21 CN CN201020231314XU patent/CN201786089U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105569463A (en) * | 2016-02-22 | 2016-05-11 | 广州利凌电子有限公司 | Self-adsorption lock for public bicycle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110406 Termination date: 20130621 |