CN202467356U - Anti-Bobby key open spring lock head - Google Patents
Anti-Bobby key open spring lock head Download PDFInfo
- Publication number
- CN202467356U CN202467356U CN2012201026700U CN201220102670U CN202467356U CN 202467356 U CN202467356 U CN 202467356U CN 2012201026700 U CN2012201026700 U CN 2012201026700U CN 201220102670 U CN201220102670 U CN 201220102670U CN 202467356 U CN202467356 U CN 202467356U
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- China
- Prior art keywords
- lock core
- slingshot
- pellet shot
- hole
- bob
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to an anti-Bobby key open spring lock head. The spring lock head comprises a lock head body, two lock cores and a thumb wheel, wherein the two lock cores are respectively in transmission connection with the thumb wheel through a clutch; a plurality of lock head body marble holes are formed on the lower part of the lock head body in sequence; the upper ends of the lock head body marble holes are communicated with lock core holes; a plurality of lock core marble holes are formed in the lock core in sequence; the lock head body marble holes are formed in a way of corresponding to the lock core marble holes; flat head marbles and marble springs are arranged in the lock head body marble holes; ball head marbles are arranged in the lock core marble holes; at least one of the lock core marble holes is an anti-Bobby marble hole; and an anti-Bobby ball head marble is arranged in the anti-Bobby marble hole. The anti-Bobby key open spring lock head is simple in structure; the machining process facilitates the batch production; and the spring lock head can be prevented from being opened technologically by using an anti-Bobby key.
Description
Technical field
The utility model relates to the key operated ball lock head of a kind of anti-Bob, and this tapered end comprises tapered end, lock core, thumb wheel, and tapered end is provided with tapered end pellet shot from a slingshot hole, and the tapered end pellet shot from a slingshot is provided with tack pellet shot from a slingshot and marble spring in the hole; Lock core is provided with lock core marble hole and anti-Bob pellet shot from a slingshot hole, is provided with the bulb pellet shot from a slingshot in the lock core marble hole, is provided with anti-Bob bulb pellet shot from a slingshot in the anti-Bob pellet shot from a slingshot hole.
Background technology
Cylinder lock came out existing more than 160 year so far, at present still in extensive use, was more common on the market a kind of lockset.Ball lock head is provided with the tapered end fixing with locking shell, and lock core and thumb wheel are installed on the tapered end, lockable mechanism and the tapered end locking of lock core through being made up of round end pellet shot from a slingshot, tack pellet shot from a slingshot, spring.When needs are unblanked, key is inserted in the spoon groove of lock core, lockable mechanism is opened, and drives lock core through key and rotates, and lock core drives thumb wheel through clutch and rotates, and thumb wheel is stirred dead bolt and is opened lockset.But most of ball lock head not only can be key operated through what be equipped with, can also use a kind of Bob key (Bump Key) to carry out the unlatching of technological means.Chinese patent CN201539140U discloses a kind of lock; Comprise by the pin-and-hole of lock body and the corresponding respectively lockpin hole more than three that forms of radial direction through hole of lock cylinder; In each lockpin hole, be packaged with lock pin through spring and mounting respectively; Lock pin comprises round end pellet shot from a slingshot and I-shaped pellet shot from a slingshot down, and wherein, at least two interior lock pins of lockpin hole also comprise the middle pearl that is arranged on down between round end pellet shot from a slingshot and the I-shaped pellet shot from a slingshot respectively; Lock cylinder is formed with and the identical radially counterbore of lockpin hole quantity that middle pearl is set; And each radially counterbore center line and be provided with in the middle of the center line of the corresponding radial direction through hole of the lockpin hole of pearl intersect in the same plane, radially the degree of depth of counterbore is greater than the height of middle pearl, radially the diameter of counterbore is greater than the diameter of middle pearl and less than the diameter of I-shaped pellet shot from a slingshot.Thus, can use the key unlocking of dissimilar tooth form, and through using back one key that last key was lost efficacy.This lock has increased the technical opening difficulty, has further strengthened anti-theft feature.But, can not prevent to use the technical unlocking of Bob key, thereby reduce the safety factor of lockset, there is potential safety hazard.So, need to propose the key operated ball lock head of a kind of anti-Bob.
Summary of the invention
The purpose of the utility model is to provide a kind of anti-Bob key operated ball lock head, and this tapered end comprises tapered end, lock core, thumb wheel, and tapered end is provided with tapered end pellet shot from a slingshot hole, and the tapered end pellet shot from a slingshot is provided with tack pellet shot from a slingshot and marble spring in the hole; Lock core is provided with lock core marble hole and anti-Bob pellet shot from a slingshot hole, is provided with the bulb pellet shot from a slingshot in the lock core marble hole, is provided with anti-Bob bulb pellet shot from a slingshot in the anti-Bob pellet shot from a slingshot hole.The utility model simple in structure, processing technology are convenient to produce in batches, can prevent to use the technical unlocking of Bob key.
The purpose of the utility model is realized by following technical proposals: the key operated ball lock head of a kind of anti-Bob; A tapered end is arranged; Described tapered end top is arranged with two lock core holes; Room between described two lock core holes is provided with thumb wheel, in described two lock core holes a lock core is installed respectively, and described two lock cores are in transmission connection through a clutch and described thumb wheel respectively; The bottom of described tapered end is provided with a plurality of tapered end pellets shot from a slingshot hole in proper order, and the upper end in described tapered end pellet shot from a slingshot hole is communicated with described lock core hole; Order is provided with a plurality of lock core marble holes, the corresponding setting with described lock core marble hole in described tapered end pellet shot from a slingshot hole on the described lock core; Described tapered end pellet shot from a slingshot is provided with tack pellet shot from a slingshot and marble spring in the hole, is provided with the bulb pellet shot from a slingshot in the described lock core marble hole; Have one in described a plurality of lock core marble hole at least for anti-Bob pellet shot from a slingshot hole, be provided with an anti-Bob bulb pellet shot from a slingshot in the described anti-Bob pellet shot from a slingshot hole; The degree of depth of remaining lock core marble hole of depth ratio in described anti-Bob pellet shot from a slingshot hole is little 1.6～2.5 millimeters, and the length of described anti-Bob bulb pellet shot from a slingshot is littler 0.5～1 millimeter than the degree of depth in described anti-Bob pellet shot from a slingshot hole.
The utility model compared with prior art has following advantage:
1, the utility model is simple in structure, and processing technology is convenient to produce in batches, can prevent to use the technical unlocking of Bob key, has improved the safety factor of lockset.
2, the utility model makes the workman in assembling process, be convenient to memory, improves efficiency of assembling.
3, the utility model need not to increase new part and manufacturing procedure, can prevent to use the technical unlocking of Bob key, saves production cost.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is described further.
Fig. 1 is the structural representation of ball lock head of the prior art;
Fig. 2 is to use the sketch map of Bob key technical opening;
Fig. 3 is the structural representation of the utility model;
Fig. 4 is the structural representation of the tapered end in the utility model;
Fig. 5 is the structural representation of the lock core in the utility model;
Fig. 6 is the anti-key operated sketch map of Bob of the utility model;
Fig. 7 is that the utility model is installed in the sketch map on the door lock.
The specific embodiment
Embodiment one:
Referring to Fig. 1 (Fig. 1 is the partial sectional view of tapered end); Ball lock head of the prior art is provided with the tapered end 1 fixing with locking shell; Lock core 2 and thumb wheel 3 are installed on the tapered end, and lock core locks with tapered end through the lockable mechanism that is made up of a plurality of bulb pellet shot from a slingshot 4, a plurality of tack pellet shot from a slingshot 5, a plurality of marble spring 6.When needs were unblanked, in the spoon groove with the lock core on key 7 insertion right sides, clutch 8 along continuous straight runs that key heads on the right side were moved to the left, and key is inserted into the end and no longer moves, and the clutch on right side is simultaneously across thumb wheel groove and lock core groove 19.All tack pellets shot from a slingshot withdraw from lock core marble hole fully; Lockable mechanism is opened, and the lock core that drives the right side through key rotates, and the lock core on right side rotates through the clutch drive thumb wheel on right side; Thumb wheel is stirred dead bolt and is opened lockset, and the backward rotation key is accomplished the locking of lockset.The lock core that key is inserted the left side carries out operation same as described above, also can accomplish the unlatching and the locking of lockset.
The humane culture of China's tradition, the influence directly or indirectly of traditional concept consciousness, people are referred to as MASTERKRY with the instrument of unnormal unlocking lockset; In the lockset industry, summarize relatively specializedly and reduce " technical unlocking ", just have such one in the reality master key-Bob key (Bump Key).The tartar of Bob key 9 all is identical differential, as shown in Figure 2.
Referring to Fig. 2; The method of using Bob key 9 unlocking spring lock heads is through the Bob key being carried out high-frequency fast insert-pull and cooperate rotation, making the tooth top of Bob key clash into bulb pellet shot from a slingshot 4 fast, the downward play of bulb pellet shot from a slingshot; Bump tack pellet shot from a slingshot 5 and marble spring 6; Marble spring compression and extension react on the bulb pellet shot from a slingshot again, accelerate bulb pellet shot from a slingshot play up and down.When all tack pellets shot from a slingshot all moved to outside the lock core marble hole 10, rotational wave was than key, and the Bob key drives lock core and rotates the unlatching lockset.
Referring to Fig. 3, Fig. 4, Fig. 5 (Fig. 5 is the twice enlarged drawing of lock core among Fig. 3); The key operated ball lock head of anti-Bob of the utility model; A tapered end 1 is arranged, and described tapered end top is arranged with two lock core holes 11, and the room 12 between described two lock core holes is provided with thumb wheel 3; In described two lock core holes a lock core 2 is installed respectively, described two lock cores are in transmission connection through a clutch 8 and described thumb wheel respectively; The bottom of described tapered end is provided with ten tapered end pellet shot from a slingshot holes 13 in proper order, and the upper end in described tapered end pellet shot from a slingshot hole is communicated with described lock core hole; Order is provided with five lock core marble holes 10, the corresponding setting with described lock core marble hole in described tapered end pellet shot from a slingshot hole on each described lock core; Be provided with tack pellet shot from a slingshot 5 and marble spring 6 in the described tapered end pellet shot from a slingshot hole, be provided with bulb pellet shot from a slingshot 4 in the described lock core marble hole; Have at least one to be anti-Bob pellet shot from a slingshot hole 14 in described five lock core marble holes, in the present embodiment, several from left to right the 3rd lock core marble holes are anti-Bob pellet shot from a slingshot holes; Be provided with an anti-Bob bulb pellet shot from a slingshot 15 in the described anti-Bob pellet shot from a slingshot hole; The degree of depth of remaining lock core marble hole of depth ratio in described anti-Bob pellet shot from a slingshot hole is little 1.6～2.5 millimeters, and the length of described anti-Bob bulb pellet shot from a slingshot is littler 0.5～1 millimeter than the degree of depth in described anti-Bob pellet shot from a slingshot hole.
In the present embodiment, said tapered end takes the shape of the letter U, and tapered end top is arranged with two lock core holes, and two lock core holes are the manhole that is provided with one heart, and lock core is through collar and lock core hole location and installation.Said clutch and thumb wheel belong to prior art, and the correlation technique content can be understood with reference to disclosed content among the Chinese patent CN201539140U.
Referring to Fig. 5, in the present embodiment, can any in five lock core marble holes on the lock core be processed into anti-Bob pellet shot from a slingshot hole, also can process a plurality of anti-Bob pellets shot from a slingshot hole.The degree of depth of remaining lock core marble hole 10 of depth ratio in described anti-Bob pellet shot from a slingshot hole 14 is little 1.6～2.5 millimeters, and the distance between upper end, promptly anti-Bob pellet shot from a slingshot hole and the lock core marble hole upper end is 1.6～2.5 millimeters.The length of described anti-Bob bulb pellet shot from a slingshot is littler 0.5～1 millimeter than the degree of depth in described anti-Bob pellet shot from a slingshot hole, and the distance between promptly anti-Bob bulb pellet shot from a slingshot lower end and the lower end, anti-Bob pellet shot from a slingshot hole is 0.5～1 millimeter.When the degree of depth of lock core marble hole was 7.8 millimeters, the degree of depth in anti-Bob pellet shot from a slingshot hole was 6.2 millimeters, and the length of anti-Bob bulb pellet shot from a slingshot is 5.2 millimeters.Perhaps, when the degree of depth of lock core marble hole was 7.8 millimeters, the degree of depth in anti-Bob pellet shot from a slingshot hole was 5.3 millimeters, and the length of anti-Bob bulb pellet shot from a slingshot is 4.8 millimeters.
Referring to Fig. 3 (Fig. 3 shows the ball lock head that does not insert key); In the present embodiment, all tack pellets shot from a slingshot 5 are compressed to (upper end) at the bottom of the lock core marble hole with all bulb pellets shot from a slingshot 4 under the support force effect of marble spring 6; All tack pellet shot from a slingshot epimeres are positioned at lock core marble hole; Tack pellet shot from a slingshot hypomere is positioned at tapered end pellet shot from a slingshot hole, firmly with lock core and tapered end pinning, can not rotate even apply moment of torsion to lock core this moment.
Referring to Fig. 6, Bob key 9 is inserted in the spoon groove of ball lock head of the utility model, through the Bob key being carried out high-frequency fast insert-pull and cooperating rotation; Make the tooth top of Bob key clash into bulb pellet shot from a slingshot 4 fast; The downward play of bulb pellet shot from a slingshot, bump tack pellet shot from a slingshot 5 and marble spring 6, marble spring compression and extension; React on the bulb pellet shot from a slingshot again, accelerate bulb pellet shot from a slingshot play up and down.Because lock core is provided with anti-Bob pellet shot from a slingshot hole; Anti-Bob bulb pellet shot from a slingshot can not contacted with the tooth peak of Bob key; Can play with the corresponding tack pellet shot from a slingshot of this anti-Bob bulb pellet shot from a slingshot, pinning lock core firmly forever prevents to use the technical opening of Bob key.
Referring to Fig. 7 (Fig. 7 is the situation of taking off cover plate), in the present embodiment, the ball lock head 16 of the utility model is installed on the door lock; Key is inserted in the keyhole; Rotate counterclockwise key, key drives lock core and rotates counterclockwise, and lock core drives thumb wheel 3 through clutch and rotates counterclockwise; Thumb wheel drags the body tooth to stir dead bolt through dead bolt to drag body 17 to move to the left, and dead bolt drags body to drive slow-witted tongue 18 and is moved to the left a tooth pitch, accomplishes first grade of locking of door lock.Repeat above-mentioned action, accomplish the third gear locking of door lock successively.Clockwise rotate key, key drives lock core and clockwise rotates, and lock core drives thumb wheel 3 through clutch and clockwise rotates; Thumb wheel drags the body tooth to stir dead bolt through dead bolt to drag body 17 to move to the right, and dead bolt drags body to drive the slow-witted tongue tooth pitch that moves right, and accomplishes first grade of unlatching of door lock.Repeat above-mentioned action, accomplish the third gear of door lock successively and open.
Claims (1)
1. ball lock head that anti-Bob is key operated; A tapered end is arranged; Described tapered end top is arranged with two lock core holes; Room between described two lock core holes is provided with thumb wheel, in described two lock core holes a lock core is installed respectively, and described two lock cores are in transmission connection through a clutch and described thumb wheel respectively; The bottom of described tapered end is provided with a plurality of tapered end pellets shot from a slingshot hole in proper order, and the upper end in described tapered end pellet shot from a slingshot hole is communicated with described lock core hole; Order is provided with a plurality of lock core marble holes, the corresponding setting with described lock core marble hole in described tapered end pellet shot from a slingshot hole on the described lock core; Described tapered end pellet shot from a slingshot is provided with tack pellet shot from a slingshot and marble spring in the hole, is provided with the bulb pellet shot from a slingshot in the described lock core marble hole; It is characterized in that: have one in described a plurality of lock core marble holes at least for anti-Bob pellet shot from a slingshot hole, be provided with an anti-Bob bulb pellet shot from a slingshot in the described anti-Bob pellet shot from a slingshot hole; The degree of depth of remaining lock core marble hole of depth ratio in described anti-Bob pellet shot from a slingshot hole is little 1.6～2.5 millimeters, and the length of described anti-Bob bulb pellet shot from a slingshot is littler 0.5～1 millimeter than the degree of depth in described anti-Bob pellet shot from a slingshot hole.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201026700U CN202467356U (en) | 2012-03-19 | 2012-03-19 | Anti-Bobby key open spring lock head |
| RU2013109784/12U RU133553U1 (en) | 2012-03-19 | 2013-03-06 | CYLINDER MECHANISM PROTECTED FROM OPENING BY BUMP KEY |
| UAU201303393U UA85435U (en) | 2012-03-19 | 2013-03-19 | Cylinder mechanism with protection against opening with bump-key |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201026700U CN202467356U (en) | 2012-03-19 | 2012-03-19 | Anti-Bobby key open spring lock head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202467356U true CN202467356U (en) | 2012-10-03 |
Family
ID=46915522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201026700U Expired - Fee Related CN202467356U (en) | 2012-03-19 | 2012-03-19 | Anti-Bobby key open spring lock head |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN202467356U (en) |
| RU (1) | RU133553U1 (en) |
| UA (1) | UA85435U (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU177731U1 (en) * | 2017-04-03 | 2018-03-06 | Андрей Николаевич Гончаров | CYLINDER LOCK MECHANISM |
-
2012
- 2012-03-19 CN CN2012201026700U patent/CN202467356U/en not_active Expired - Fee Related
-
2013
- 2013-03-06 RU RU2013109784/12U patent/RU133553U1/en active IP Right Revival
- 2013-03-19 UA UAU201303393U patent/UA85435U/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| RU133553U1 (en) | 2013-10-20 |
| UA85435U (en) | 2013-11-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20121003 Termination date: 20190319 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |