CN2818685Y - Pellet master and key thereof - Google Patents
Pellet master and key thereof Download PDFInfo
- Publication number
- CN2818685Y CN2818685Y CN 200520092556 CN200520092556U CN2818685Y CN 2818685 Y CN2818685 Y CN 2818685Y CN 200520092556 CN200520092556 CN 200520092556 CN 200520092556 U CN200520092556 U CN 200520092556U CN 2818685 Y CN2818685 Y CN 2818685Y
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- CN
- China
- Prior art keywords
- tumbler
- fixed cover
- key
- lock
- lock cylinder
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- Expired - Fee Related
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Abstract
The utility model relates to a marble lock core and a key used for unlocking the marble lock core. Steps that become smaller in the radial direction are arranged in radial holes on a fixed cover of the marble lock core. The steps can block the passing of all or part of marbles, and without the specialized key, the marbles can not be pushed at the same time to the proper positions that enable a rotary component to rotate, so a lock made of the lock core is very safe, and the manufacturing cost can not be increased; moreover, the key adopts abnormity, which can further improve the lock safety.
Description
Technical field:
The utility model relates to a kind of by tumbler and fixed cover, and the lock cylinder that pellet shot from a slingshot and spring constituted and be used to rotate the key of this lock core.
Background technology:
Lock is a kind of device that is used for shutter or storage.Lock generally includes several sections such as lock housing, lock core and locking bolt, and lock core is the necessary parts that guarantee lock safety.Traditional lock core is the cylinder-shaped marble lock core particularly, usually the fixed cover that is complementary by the external diameter of a tumbler that axially has a keyhole and internal diameter and described tumbler, and the radial hole that is used for splendid attire spring and pellet shot from a slingshot that is arranged on tumbler and the fixed cover opposite position constitutes, and the lock core of this kind structure, set radial hole all is columniform on tumbler and fixed cover.When unblanking, the key of this lock of unlatching is inserted in the keyhole and tumbler is rotated as long as use specially, lock can be opened.Yet, tumbler on this kind lock core can rotate it by following dual mode: the first is inserted key in the keyhole and is utilized the zigzag on the thin limit of key to promote pellet shot from a slingshot, allow the docking site of interior adjacent two pellets shot from a slingshot of each radial hole rotate, thereby lock can be opened with the identical or close tumbler that can make of external diameter of tumbler; It two is the pellet shot from a slingshot in the tumbler all to be pushed into also can make tumbler rotate and lock is opened in the radial hole of fixed cover, in this case, the pushing tow pellet shot from a slingshot does not need special key, be usually said technology unlocking, and what be that technology unlocking facilitates condition is to allow pellet shot from a slingshot that the cylindrical radial hole of arbitrary distance of run is arranged.
At the problems referred to above, Chinese patent discloses the lock that name is called " a kind of special-shaped cylinder lock " for No. 1221064, and this Lock Lee prevents technology unlocking with the special-shaped marble that has control flume with the mode of the perpendicular control strip of the radial hole that special-shaped marble is housed.Though special-shaped marble can not arbitrarily be stirred under the restriction of control strip, but, with regard to special-shaped marble, itself diameter just can not be big, be provided with as it that control flume is more shallow can not to play the effect of preventing pellet shot from a slingshot to be struck, and be provided with as the control flume on it dark, can directly influence the intensity of pellet shot from a slingshot, and the insufficient strength of pellet shot from a slingshot can be opened lock because of the damage of pellet shot from a slingshot; In addition,, can bring many inconvenience for making, bring the raising of cost simultaneously because the pellet shot from a slingshot and the tumbler of this lock core all have greatly changed.
In addition, Chinese patent also discloses the lock of a kind of " ball lock head that auto-lock function is arranged " for No. 1231374, and this Lock Lee is with being arranged on holes from locking plate control pellet shot from a slingshot, to realize the self-locking of ball lock head in the self-locking film trap.This lock also is utilization increase self-locking film trap and limits pellet shot from a slingshot from locking plate and arbitrarily stirred, and is opened by technical to prevent lock.As seen, this lock exists too and is difficult for processing and the high problem of cost.
Summary of the invention:
The purpose of this utility model provides a kind of lock cylinder that utilizes the mode that limits the pellet shot from a slingshot stroke to prevent technology unlocking.
Another task of the present utility model provides a kind of key that is used to open above-mentioned lock core.
The lock cylinder that the utility model proposed comprises the fixed cover that the external diameter of a tumbler that axially has a keyhole and internal diameter and described tumbler is complementary, and the radial hole that is used for splendid attire pellet shot from a slingshot and/or spring that is arranged on tumbler and fixed cover opposite position, be provided with the step that radially diminishes in the radial hole on the described fixed cover.
The keyhole that is provided with on the described tumbler has two parallel vertical slot and perpendicular with vertical slot and have an end a to be connected transverse groove, and is arranged on this transverse groove central region and the vertical single groove opposite with the vertical slot direction.
The outer edge of described fixed cover internal diameter zone and with the end part interval preset distance of tumbler be provided with radially annular groove, radially on the annular groove shape anti-drilling pad identical with the end face of tumbler is being installed.
Described tumbler and fixed cover are respectively arranged with two row's radial holes on corresponding position, and each row's radial hole is connected with described two vertical slot respectively.The quantity of the radial hole that is provided with on tumbler and the fixed cover whenever comes between 2-8.
Be used to rotate the key of above-mentioned lock cylinder, this key has two parallel vertical edges and a widthwise edge perpendicular with vertical edges and the end is connected, and is arranged on this widthwise edge central region and opposite with described vertical edges direction vertically monolateral.
The edge portion of two parallel vertical edges of described key and/or vertical monolateral edge portion are provided with the saw shape tooth of and irregularity corresponding with described radial hole quantity.
The lock cylinder that the utility model proposed only is to be provided with the step that radially diminishes in the radial hole in fixed cover, this step can hinder pellet shot from a slingshot or a part of pellet shot from a slingshot passes through, do not have under the situation of special key can not with all pellets shot from a slingshot simultaneously pushing tow to the correct position that is enough to make the tumbler rotation, so, as safe as a house with the lock that this kind lock core is made, and can't increase cost of manufacture; Simultaneously, this lock core also adopts special-shaped key and is installed in the anti-drilling pad of tumbler front end, will lock brill and open because anti-drilling pad can prevent electric drill or similar device, so, the safety that special-shaped key that this lock is provided with and anti-drilling pad can further increase lock.
Description of drawings:
Accompanying drawing 1 is the outward appearance cut-away section structural representation of the embodiment of lock cylinder that proposes of the utility model;
Accompanying drawing 3 is the schematic appearance of the key that uses of matching with lock cylinder shown in Figure 1.
The specific embodiment:
Referring to Fig. 1 and Fig. 2, these two accompanying drawings provide the overall appearance structure of the embodiment of lock cylinder that the utility model proposes.The lock cylinder that the utility model proposed comprises tumbler 1, fixed cover 2, anti-drilling pad 5, and spring and pellet shot from a slingshot.
Tumbler 1 is the cylinder that an end has edge 11, axially is provided with keyhole 3 at it, and radially is provided with two row's radial holes 12 at it.Keyhole 3 has two parallel vertical slot 31 and one and vertical slot 31 transverse grooves 32 perpendicular and that be connected with the end of each vertical slot 31, in the central region of transverse groove 32 and the direction opposite with vertical slot 31 a vertical single groove 33 is set.Each row in two row's radial holes 12 can be provided with 2-8 radial hole 12, and each row in the present embodiment all has 6 radial holes 12, and each row's radial hole 12 all is connected with its pairing vertical slot 31.Another end of tumbler 1 can be movably installed with locking bolt plectrum 13 by bearing pin.
Fixed cover 2 is the parts that are fixed in the lock housing, and its profile can determine that what select for use in the present embodiment is columniform fixed cover 2 according to the needed shape of lock housing.The middle part of fixed cover 2 is provided with an axially extending bore 21, and the internal diameter of axially extending bore 21 and the external diameter of tumbler are complementary, and promptly constitutes a pair of revolute pair between the two.Fixed cover 2 radially and with tumbler 1 corresponding position be provided with radial hole 22, and each radial hole 22 on the fixed cover 2 is provided with the step 23 that radially diminishes at the position of at least one the pellet shot from a slingshot length of external diameter of distance tumbler 1.Under normal conditions, spring is installed in the thin portion at step 23 places, and in the outside of step 23 at least one pellet shot from a slingshot is installed.Because step 23 can hinder pellet shot from a slingshot and unrestrictedly enter in the radial hole 22, and the proper height that uses other apparatus all pellets shot from a slingshot all can not be lifted, so this kind lock cylinder is as safe as a house.Also be provided with a radially annular groove (not providing concrete structure among the figure) in the outer edge zone of fixed cover 2 internal diameters, this radially the end part interval of annular groove and tumbler 1 certain distance is arranged.
Anti-drilling pad 5 is plates of an annular, and its face shaping and tumbler 1 have the identical and slightly larger in diameter of the end surface shape of keyhole 3 in the diameter of tumbler 1 end face.Anti-drilling pad 5 is installed in the radially annular groove of fixed cover 2 on preset distance ground at interval successively with tumbler 1, and can radially rotate in the annular groove under external force.When boring lock with electric drill or similar device, anti-drilling pad 5 can be along with drill bit rotates, and prevents that with this electric drill from opening lock.
Referring to Fig. 3, this figure provides the overall appearance structure of 4 one embodiment of key in the keyhole 3 that is used to insert above-mentioned tumbler 1.Key 4 has two widthwise edges that parallel vertical edges 41 is perpendicular with vertical edges with and the end is connected 42, is provided with one vertical monolateral 43 in the central region of widthwise edge 42 and the direction opposite with described vertical edges 41.The edge portion of two vertical edges 41 of key 4 is provided with the saw shape tooth 44 of irregularity.
After key 4 inserts in the keyhole 3 that is provided with on the tumbler 1 by anti-drilling pad 5, by the pellet shot from a slingshot in the radial hole 12 at saw shape tooth 44 pushing tow tumblers 1 place on it, and tumbler 1 is rotated when pushing it to the proper height of design, thereby lock can be opened.
Claims (8)
1, a kind of lock cylinder, this lock core comprises the fixed cover that the external diameter of a tumbler that axially has a keyhole and internal diameter and described tumbler is complementary, and the radial hole that is used for splendid attire pellet shot from a slingshot and/or spring that is arranged on tumbler and fixed cover opposite position, it is characterized in that: be provided with the step that radially diminishes in the radial hole on the described fixed cover.
2, lock cylinder according to claim 1, it is characterized in that: the keyhole that is provided with on the described tumbler has two parallel vertical slot and perpendicular with vertical slot and have an end a to be connected transverse groove, and is arranged on this transverse groove central region and the vertical single groove opposite with the vertical slot direction.
3, lock cylinder according to claim 1 and 2, it is characterized in that: the outer edge of described fixed cover internal diameter zone and with the end part interval preset distance of tumbler be provided with radially annular groove, radially on the annular groove shape anti-drilling pad identical with the end face of tumbler is being installed.
4, lock cylinder according to claim 1 and 2 is characterized in that: described tumbler and fixed cover are respectively arranged with two row's radial holes on corresponding position, and each row's radial hole is connected with described two vertical slot respectively.
5, lock cylinder according to claim 4 is characterized in that: the quantity of the radial hole that is provided with on described tumbler and the fixed cover whenever comes between 2-8.
6, lock cylinder according to claim 1 and 2 is characterized in that: the leading section of described tumbler is movably installed with a locking bolt plectrum.
7, be used to rotate the key of aforesaid right requirement 1 to 6 described lock cylinder, it is characterized in that: this key has two parallel vertical edges and a widthwise edge perpendicular with vertical edges and the end is connected, and is arranged on this widthwise edge central region and opposite with described vertical edges direction vertically monolateral.
8, key according to claim 7 is characterized in that: the edge portion of two parallel vertical edges of described key and/or vertical monolateral edge portion are provided with the saw shape tooth of and irregularity corresponding with described radial hole quantity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520092556 CN2818685Y (en) | 2005-09-20 | 2005-09-20 | Pellet master and key thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520092556 CN2818685Y (en) | 2005-09-20 | 2005-09-20 | Pellet master and key thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2818685Y true CN2818685Y (en) | 2006-09-20 |
Family
ID=37004739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520092556 Expired - Fee Related CN2818685Y (en) | 2005-09-20 | 2005-09-20 | Pellet master and key thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2818685Y (en) |
-
2005
- 2005-09-20 CN CN 200520092556 patent/CN2818685Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |