CN202299679U - Cylinder with spiral key hole - Google Patents
Cylinder with spiral key hole Download PDFInfo
- Publication number
- CN202299679U CN202299679U CN2011202620462U CN201120262046U CN202299679U CN 202299679 U CN202299679 U CN 202299679U CN 2011202620462 U CN2011202620462 U CN 2011202620462U CN 201120262046 U CN201120262046 U CN 201120262046U CN 202299679 U CN202299679 U CN 202299679U
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- Prior art keywords
- key
- key body
- lock core
- lock
- spiral
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- Expired - Fee Related
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Abstract
A cylinder with a spiral key hole comprises a key, a lock cylinder and a lock body. The key comprises a key handle and a key body, spiral teeth are arranged on the surface of the key body, and a key hole corresponding to the spiral teeth on the surface of the key body is arranged in the lock cylinder. A pin tumbler channel is arranged in the lock cylinder and the lock body, a pin tumbler and a spring are arranged in the pin tumbler channel, and locating structures matching with each other are arranged between the key body and a lock cylinder key hole. A pointed conical locating portion is arranged at the front end of the key body, a poking block is arranged at the rear end of the lock cylinder, and a locating hole corresponding to the locating portion is arranged in the poking block. Due to the fact that the point conical locating portion is arranged at the front end of the key body and the locating hole corresponding to the locating portion is arranged in the poking block, when the key body is inserted into the key hole, the pointed conical locating portion enters the locating hole in the poking block so as to enable the key hole and the key body to achieve correct position alignment, a lock point on the key body can be aligned to a lock point on the lock cylinder conveniently, and the cylinder can be opened reliably.
Description
Technical field
The utility model relates to lock technology field, particularly a kind of tapered end with spiral key hole.
Background technology
At present, the structure of various tapered ends is numerous.Chinese patent 200920305686.X number of first to file a kind of " tapered end in spiral key hole " disclosed just like the applicant.The tapered end in the spiral key hole of this technical scheme comprises: key, lock core and lock body; Key comprises key handle and key body, and the key body surface is provided with helical tooth, is provided with in the lock core and the corresponding keyhole of key body surface helical tooth, and the pellet shot from a slingshot conduit that is provided with in lock core and the lock body is provided with pellet shot from a slingshot and spring in the pellet shot from a slingshot conduit.Be provided with the location structure that matches between key body and lock core keyhole.Because be provided with in the lock core and the corresponding keyhole of key body surface helical tooth, it can make the steel wire of master key can't stir all pellets shot from a slingshot, effectively improves anti-technical opening performance.Because the lock point on each helical tooth has different tartar height, thereby improves the size of key of lockset greatly.But not enough below it exists: because the equal shape in the shape of a spiral in keyhole and key body surface, both gaps are easy to cause the lock point on the key body to be difficult to aim at the lock point on the lock core, make tapered end to open.
Summary of the invention
The purpose of the utility model is: the tapered end that a kind of anti-technical opening performance is good, size of key big, unlatching has the spiral key hole reliably is provided.
For realizing above-mentioned purpose, the utility model is realized through following technical scheme.
A kind of tapered end with spiral key hole comprises: key, lock core and lock body; Key comprises key handle and key body; The key body surface is provided with helical tooth, is provided with in the lock core and the corresponding keyhole of key body surface helical tooth, the pellet shot from a slingshot conduit that is provided with in lock core and the lock body; Be provided with pellet shot from a slingshot and spring in the pellet shot from a slingshot conduit, be provided with the location structure that matches between key body and lock core keyhole; It is characterized in that: described key body front end is provided with cone-shaped location division, and the lock core rear end is provided with shifting block, is provided with in the shifting block and the location division positioning hole corresponding.The locating hole of the utility model can be perforate, also can be closed pore, as long as pass through the interaction of location division and locating hole, can realize locating and just can.
The advantage of the utility model is: because the key body front end is provided with cone-shaped location division, be provided with in the shifting block and the location division positioning hole corresponding; After key body inserted keyhole, cone-shaped location division got into locating hole in the shifting block, and it can make keyhole and key body realize accurate contraposition, and the lock point on the key body just can be aimed at the lock point on the lock core easily, thereby opens tapered end reliably.Because the key body surface is provided with helical tooth, be provided with in the lock core and the corresponding keyhole of key body surface helical tooth, it can make the steel wire of master key can not stir all pellets shot from a slingshot, effectively improves anti-technical opening performance.Owing to be provided with the location structure that matches between key body and lock core keyhole; A certain helical tooth on the key body can only insert in the lock core with its corresponding groove in; Promptly define helical tooth to the corresponding relation between keyhole; Make the lock point on each helical tooth of the utility model can have different tartar height, thereby improve the size of key of lockset greatly, reduce the possibility that manufacturer makes identical tapered end.
In the utility model, described lock core front end is provided with spacer, and spacer is provided with the perforate that matches with spiral key.After key body inserted keyhole, the key body rear end was through the spacer location, and the key body front end is through locating hole location in cone-shaped location division and the shifting block, and it can make the more accurately contraposition of location between keyhole and key body, thereby opens tapered end reliably.Simultaneously, spacer also has the effect that prevents electric drill destruction lock core.
In the utility model, described detent mechanism comprises: key body be provided with at least one with the helical tooth of the different facewidth of other helical tooth, be provided with the keyhole that matches with helical tooth in the lock core.Detent mechanism adopts said structure, need not to set up other parts, and it is simple in structure, easily manufactured.
In the utility model, the spacing of each pellet shot from a slingshot is different in the described lock core.It can further improve anti-technical opening performance, improves the size of key of lockset simultaneously.
In the utility model, described key body is provided with at least four helical tooths.When the quantity of helical tooth during greater than four, it can further improve the size of key of lockset, reduces the possibility that manufacturer makes identical tapered end.
Description of drawings
The structural representation of Fig. 1 the utility model tapered end (not setting bit slice and not shown key and shifting block).
The structural representation of Fig. 2 the utility model tapered end (not shown lock body).
The exploded sketch of Fig. 3 the utility model tapered end (not shown lock body).
The specific embodiment
In conjunction with Fig. 1, Fig. 2, shown in Figure 3: the tapered end with spiral key hole of present embodiment comprises: key, lock core 2 and lock body 1; Key comprise key 3 with key body 4; Key body 4 surfaces are provided with helical tooth; Be provided with in the lock core and the corresponding keyhole 5 of key body surface helical tooth; The pellet shot from a slingshot conduit 11 that is provided with in lock core and the lock body is provided with pellet shot from a slingshot and spring in the pellet shot from a slingshot conduit, be provided with the location structure that matches between key body and lock core keyhole.Key body 4 front ends are provided with cone-shaped location division 6, and lock core 2 rear ends are provided with shifting block 7, are provided with in the shifting block and location division positioning hole corresponding 8.
In the present embodiment, the lock core front end is provided with spacer 9, and spacer is provided with the perforate 10 that matches with spiral key.Detent mechanism comprises: key body be provided with at least one with the helical tooth of the different facewidth of other helical tooth, be provided with the keyhole that matches with helical tooth in the lock core.In the present embodiment, key body is provided with six helical tooths.
Because the key body front end is provided with cone-shaped location division, is provided with in the shifting block and the location division positioning hole corresponding; After key body inserted keyhole, cone-shaped location division got into locating hole in the shifting block, and it can make keyhole and key body realize accurate contraposition, and the lock point on the key body just can be aimed at the lock point on the lock core easily, opens tapered end easily.
In the present embodiment; When the lock core front end is provided with spacer; After key body inserted keyhole, the key body rear end was through the spacer location, and the key body front end is through locating hole location in cone-shaped location division and the shifting block; It can make the more accurately contraposition of location between keyhole and key body, opens tapered end easily.Spacer also has the effect that prevents electric drill destruction lock core simultaneously.Certainly, the lock core front end is not set bit slice, can realize the purpose of the utility model yet, and when just the lock core front end was provided with spacer, locating effect was better.
In the utility model, the spacing of each pellet shot from a slingshot can be different in the described lock core; Certainly, the spacing of each pellet shot from a slingshot also can be identical in the lock core.Preferably be provided with four above helical tooths on the key body, to improve the size of key of lockset.
Above embodiment only is the case of the utility model, and any replacement of being done according to the utility model spirit all is interpreted as not breaking away from the protection domain of the utility model.
Claims (5)
1. the tapered end with spiral key hole comprises: key, lock core and lock body; Key comprises key handle and key body; The key body surface is provided with helical tooth, is provided with in the lock core and the corresponding keyhole of key body surface helical tooth, the pellet shot from a slingshot conduit that is provided with in lock core and the lock body; Be provided with pellet shot from a slingshot and spring in the pellet shot from a slingshot conduit, be provided with the location structure that matches between key body and lock core keyhole; It is characterized in that: described key body front end is provided with cone-shaped location division, and the lock core rear end is provided with shifting block, is provided with in the shifting block and the location division positioning hole corresponding.
2. the tapered end with spiral key hole according to claim 1 is characterized in that: described lock core front end is provided with spacer, and spacer is provided with the perforate that matches with spiral key.
3. the tapered end with spiral key hole according to claim 1; It is characterized in that: described detent mechanism comprises: key body be provided with at least one with the helical tooth of the different facewidth of other helical tooth, be provided with the keyhole that matches with helical tooth in the lock core.
4. the tapered end with spiral key hole according to claim 1 is characterized in that: the spacing of each pellet shot from a slingshot is different in the described lock core.
5. the tapered end with spiral key hole according to claim 1 is characterized in that: described key body is provided with at least four helical tooths.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202620462U CN202299679U (en) | 2011-07-24 | 2011-07-24 | Cylinder with spiral key hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202620462U CN202299679U (en) | 2011-07-24 | 2011-07-24 | Cylinder with spiral key hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202299679U true CN202299679U (en) | 2012-07-04 |
Family
ID=46368603
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202620462U Expired - Fee Related CN202299679U (en) | 2011-07-24 | 2011-07-24 | Cylinder with spiral key hole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202299679U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104033016A (en) * | 2014-05-30 | 2014-09-10 | 杨勇 | Lock and spiral key thereof |
-
2011
- 2011-07-24 CN CN2011202620462U patent/CN202299679U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104033016A (en) * | 2014-05-30 | 2014-09-10 | 杨勇 | Lock and spiral key thereof |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120704 Termination date: 20180724 |