CN201144547Y - Lock pin and key of locking apparatus - Google Patents
Lock pin and key of locking apparatus Download PDFInfo
- Publication number
- CN201144547Y CN201144547Y CNU2007200644593U CN200720064459U CN201144547Y CN 201144547 Y CN201144547 Y CN 201144547Y CN U2007200644593 U CNU2007200644593 U CN U2007200644593U CN 200720064459 U CN200720064459 U CN 200720064459U CN 201144547 Y CN201144547 Y CN 201144547Y
- Authority
- CN
- China
- Prior art keywords
- key
- slingshot
- inner core
- pellet shot
- housing
- 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
Links
- 230000000694 effects Effects 0.000 claims abstract description 7
- 239000008188 pellet Substances 0.000 claims description 72
- 239000004579 marble Substances 0.000 claims description 3
- 230000007306 turnover Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 1
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- Earth Drilling (AREA)
Abstract
The utility model relates to a lock core of a lockup device, which comprises a stationary shell 2 and an internal core 1 which can rotate around the shell 2. The tail end of an inner ball 4 is lower than or level with the wall of the internal core 1. The head of the shell is provided with a hole 11 as an internal channel from which a key can access to the internal cavity of the internal core 1. The hole 11 and the internal cavity 7 form a key hole. The inner diameter Phi 2 of the internal cavity of the internal core 1 is greater than the inner diameter Phi 1 of the hole 11. a ball-location unit in axial direction is arranged between a shell cover 9 and the end corresponding to the internal core. The lockup device of the utility model has technical effects that the ball location structure can be prevented from being damaged by a tool, thereby avoiding illegal unlocking; and the lockup device can not be opened by a common key, so the lockup device with high technology is difficult to be opened abnormally.
Description
Affiliated technical field
The key that the utility model relates to a kind of lock core of locking device and opens this locking device.
Background technology
Cylinder lock is traditional locking device, and its structure as shown in Figure 1.Its structure comprises fixed housing 2 and the inner core 1 that can rotate relative to housing 2, and the output 10 of inner core 1 is connected with the locking bolt of locking device.Inner core 1 matches with the inner chamber of housing 2, and inner core 1 is fixed on the inner chamber the inside of housing 2 by end socket 9.Inner core inner chamber 1 is a keyhole, and the end of inner core 1 is an output 10, and output 10 extends outside the housing 2 by the delivery outlet on the end socket 9.Inner core 1 wall and the corresponding position of housing 2 walls are distributed with radially pellet shot from a slingshot positioning unit, and each pellet shot from a slingshot positioning unit comprises pellet shot from a slingshot hole 8, pellet shot from a slingshot 3,4.Pellet shot from a slingshot hole 8 is the circular hole that runs through inner core 1 wall and housing 2 walls, the 8 fens two parts in pellet shot from a slingshot hole, and a part is on housing wall, and another part is at the inner core wall, and two parts match and constitute the passage of pellet shot from a slingshot activity.Pellet shot from a slingshot 4, outer pellet shot from a slingshot 3, return spring 5 and plug 6 in being distributed with successively from inside to outside in the pellet shot from a slingshot hole 8, the end of pellet shot from a slingshot is given prominence to inner core 1 wall.
Traditional pellet shot from a slingshot locking device lock core, its operating principle is as follows:
When being in the lock state, stagger mutually in the line of demarcation of interior pellet shot from a slingshot 4, outer pellet shot from a slingshot 3 and inner core 1, housing 2 lines of demarcation, and this moment, pellet shot from a slingshot limited the activity of inner core 1, and lock can not arbitrarily be opened.
When being in opening, the line of demarcation of interior pellet shot from a slingshot 4, outer pellet shot from a slingshot 3 and inner core 1, housing 2 lines of demarcation coincide, and removed the restriction of pellet shot from a slingshot to inner core 1 this moment, and lock is opened.
Traditional pellet shot from a slingshot locking device lock core is characterized in that the pellet shot from a slingshot by different in size limits the rotation of inner core, reaches the purpose of locking.After key injected keyhole, the tooth of key had been removed the restriction of pellet shot from a slingshot to inner core, and inner core can freely be rotated, and reached the purpose of opening locking device.Traditional pellet shot from a slingshot locking device inner core, parameters such as the projecting height by setting key bit, distance, that is the different movement travel of each pellet shot from a slingshot prevents illegal unlatching.
In sum, traditional pellet shot from a slingshot locking device lock core has following shortcoming:
1, the outstanding key hole wall of pellet shot from a slingshot can utilize some workpiece like this, as: master key is fiddled with pellet shot from a slingshot, illegally opens.
2, the end of the moving component inner core of lock core is exposed to the end of housing, can insert the twisting of keyhole drive inner core by tool using, destroys the pellet shot from a slingshot location structure, illegally opens.
The utility model content
The purpose of this utility model is to provide a kind of illegal pellet shot from a slingshot locking device of opening that effectively prevents.
In order to achieve the above object, the technical solution of the utility model is following design:
A kind of lock core of locking device, its structure comprise fixed housing and the inner core that can rotate relative to housing, and the output of inner core and the locking bolt of locking device are connected.Inner core matches with the inner chamber of housing, and inner core is fixed on the inner chamber the inside of housing by end socket.The inner core inner chamber is a keyhole, and the end of inner core is an output, and output extends outside the housing by the delivery outlet on the end socket.The corresponding position of inner core wall and housing wall is distributed with radially pellet shot from a slingshot positioning unit, and each pellet shot from a slingshot positioning unit comprises pellet shot from a slingshot hole, pellet shot from a slingshot.The pellet shot from a slingshot hole is the circular hole that runs through inner core wall and housing wall, and two parts are divided in the pellet shot from a slingshot hole, and a part is on housing wall, and another part is at the inner core wall, and two parts match and constitute the passage of pellet shot from a slingshot activity.Be distributed with interior pellet shot from a slingshot, outer pellet shot from a slingshot, return spring and plug in the pellet shot from a slingshot hole from inside to outside successively, it is characterized in that: the end of interior pellet shot from a slingshot is lower than the inner core wall or maintains an equal level with the inner core wall.
The lock core of described a kind of locking device is characterized in that: the head of housing has the circular hole as key turnover inner core bore passages, and this circular hole cooperates with the inner core inner chamber forms keyhole.
The lock core of described a kind of locking device is characterized in that: the internal diameter in in-core chamber is greater than the internal diameter of circular hole.
The lock core of described a kind of locking device is characterized in that: outside the radially pellet shot from a slingshot positioning unit in having traditional locking device, also be distributed with the axial cylinder positioning unit between the termination of end socket and inner core correspondence.
A kind of key comprises the shank of the key, key bar, key bit, and key bit is distributed in the top edge of gear piece, it is characterized in that:
Key bar is the cylindrical tube that size, shape, size and keyhole match, and the key bar inner chamber is mounted with regulation cock, and described regulation cock has the gear piece groove that matches with gear piece, and gear piece is fixed in the gear piece groove by gear piece pin, taper pin hole,
The corresponding position of key bar, have the bar groove, bar groove and gear piece groove are formed the up and down passage of gear piece jointly, the locating piece of key bar termination is fixed on regulation cock, gear piece the inner chamber the inside of key bar, a gear piece side outwardly is distributed with that radially identical, the position of marble amount relatively, outstanding size and pellet shot from a slingshot be from the suitable key bit of the stroke that locks state to opening with lock core
The afterbody of key bar, regulation cock has the handle groove that matches with the shank of the key shape, size, and the shank of the key is fixed on the regulation cock by the handle groove on handle pin, the regulation cock.
Described a kind of key is characterized in that: the locating piece end is distributed with the axial tooth with the axial cylinder positioning unit.
The lock core of locking device described in the utility model and traditional pellet shot from a slingshot locking device lock core, compare and have following technique effect:
1, the not outstanding inner core wall of pellet shot from a slingshot can effectively prevent to utilize some workpiece like this, as: master key is fiddled with pellet shot from a slingshot, illegally opens, and has improved the safe antitheft usefulness of locking device.
The end of 2, the moving component of lock core--inner core is hidden in the housing, has just hidden the application point of instrument twisting inner core, also can effectively prevent to utilize instrument to destroy the pellet shot from a slingshot location structure, illegally opens.And the inner chamber internal diameter φ of inner core inner chamber
2Internal diameter φ greater than circular hole
1, this interior big outer little structure also can effectively be got rid of the possibility of utilizing instrument twisting inner core illegally to open.
3, the lock core of locking device described in the utility model is not opened with common key.
4, between the termination of end socket and inner core correspondence, be distributed with the axial cylinder positioning unit.Increase the fixed point between inner core and the overcoat, increased the torsional strength of inner core.Should satisfy the radially requirement of pellet shot from a slingshot positioning unit owing to open locking device, the requirement that satisfy the axial cylinder positioning unit is arranged, increase difficulty greatly the technical illegal unlatching of lockset.
5, locking device outward appearance described in the utility model can be made into identical with other locking devices so that exchange with common lockset.
Description of drawings
Fig. 1 is a cylinder of spring lock structural representation in the prior art
Fig. 2 is a lock core structure schematic diagram described in the utility model
Fig. 3 is the A-A sectional view of Fig. 2
Fig. 4 for lock core shown in Fig. 2 be in the opening structural representation after key cooperates
Fig. 5 is the B-B view of Fig. 4
Fig. 6 for lock core shown in Fig. 2 be in the lock state structural representation after key cooperates
Fig. 7 is for being in opening Key structure schematic diagram
Fig. 8 is for being in the lock state the Key structure schematic diagram
Fig. 9 is the C-C sectional view of Fig. 8
Figure 10 is for being in opening key front view
Figure 11 is for being in the lock state the key front view
Figure 12 is the regulation cock structural representation in the key
Figure 13 is the D-D sectional view of Figure 12
Figure 14 is the structural representation of key bar
Among the figure
1. pellets shot from a slingshot in the outer pellets shot from a slingshot 4. of inner core 2. housings 3.
5. return spring 6. plugs 7. inner core inner chambers 8. pellet shot from a slingshot holes
9. end socket 10. outputs 11. circular holes 12. axial cylinder positioning units
13. handle pin 14. the shank of the keys 15. regulation cocks 16. key bars
17. gear piece 18. gear piece grooves 19. key bits 20. locating pieces
21. axial tooth 22. gear piece pins 23. bar grooves 24. taper pin holes
25. handle groove φ
1The internal diameter φ of-circular hole 11
2The internal diameter of-inner core inner chamber
Describe the utility model in detail below in conjunction with the drawings and specific embodiments:
The specific embodiment
A kind of lock core of locking device, its structure comprise fixed housing 2 and the inner core 1 that can rotate relative to housing 2 shown in Fig. 1-6, the output 10 of inner core 1 is connected with the locking bolt of locking device.Inner core 1 matches with the inner chamber of housing 2, and inner core 1 is fixed on the inner chamber the inside of housing 2 by end socket 9.Inner core 1 inner chamber 7 is a keyhole, and the end of inner core 1 is an output 10, and output 10 extends outside the housing 2 by the delivery outlet on the end socket 9.Inner core 1 wall and the corresponding position of housing 2 walls are distributed with the axial cylinder positioning unit, and each pellet shot from a slingshot positioning unit comprises pellet shot from a slingshot hole 8, pellet shot from a slingshot 3,4.Pellet shot from a slingshot hole 8 is the circular hole that runs through inner core 1 wall and housing 2 walls, the 8 fens two parts in pellet shot from a slingshot hole, and a part is on housing 2 walls, and another part is at inner core 1 wall, and two parts match and constitute the passage of pellet shot from a slingshot activity.Pellet shot from a slingshot 4, outer pellet shot from a slingshot, return spring 5 and plug 6 in being distributed with successively from inside to outside in the pellet shot from a slingshot hole 8, the end of interior pellet shot from a slingshot 4 are lower than inner core 1 wall or maintain an equal level with inner core 1 wall.The head of housing 2 has the circular hole 11 as key turnover inner core 1 bore passages, and this circular hole 11 cooperates with inner core 1 inner chamber 7 forms keyhole.The internal diameter φ of inner core 1 inner chamber 7
2Internal diameter φ greater than circular hole 11
1Between the termination of end socket 9 and inner core 1 correspondence, be distributed with axial cylinder positioning unit 12.
A kind of key, its structure is shown in Fig. 7-14, comprise the shank of the key 14, key bar 16, key bit 19, key bit 19 is distributed in the top edge of gear piece 17, the cylindrical tube that key bar 16 matches for size, shape, size and keyhole, key bar 16 inner chambers are mounted with regulation cock 15, and described regulation cock 15 has the gear piece groove 18 that matches with gear piece 17, and gear piece 17 is fixed in the gear piece groove 18 by gear piece pin 22, taper pin hole 24.Key bar 16 corresponding positions, have bar groove 23, bar groove 23 and the gear piece groove 18 common up and down passages of gear piece of forming, the locating piece 20 of key bar 16 terminations is fixed on the inner chamber the inside of key bar 16 with regulation cock 15, gear piece 17, that gear piece 17 side outwardly is distributed with is identical with lock core marble quantity, the position relatively, the suitable key bit 19 of adjusting size of outstanding size and pellet shot from a slingshot.The afterbody of key bar 16, regulation cock 15 has the handle groove 25 that matches with the shank of the key 14 shapes, size, and the shank of the key 14 is fixed on the regulation cock 15 by the handle groove 25 on handle pin 13, the regulation cock 15.Locating piece 20 ends are distributed with the axial tooth 21 with axial cylinder positioning unit 12.
Claims (6)
1, a kind of lock core of locking device, its structure comprise fixed housing (2) and the inner core (1) that can rotate relative to housing (2), and the output (10) of inner core (1) is connected with the locking bolt of locking device; Inner core (1) matches with the inner chamber of housing (2), and inner core (1) is fixed on the inner chamber the inside of housing (2) by end socket (9); Inner core (1) inner chamber (7) is a keyhole, and the end of inner core (1) is output (10), and output (10) extends outside the housing (2) by the delivery outlet on the end socket (9); Inner core (1) wall and the corresponding position of housing (2) wall are distributed with radially pellet shot from a slingshot positioning unit, and each pellet shot from a slingshot positioning unit comprises pellet shot from a slingshot hole (8), pellet shot from a slingshot (3,4); Pellet shot from a slingshot hole (8) is for running through the circular hole of inner core (1) wall and housing (2) wall, and pellet shot from a slingshot hole (8) divide two parts, and a part is on housing (2) wall, and another part is at inner core (1) wall, and two parts match and constitute the passage of pellet shot from a slingshot activity; Be distributed with interior pellet shot from a slingshot (4), outer pellet shot from a slingshot, return spring (5) and plug (6) in the pellet shot from a slingshot hole (8) from inside to outside successively, it is characterized in that: the end of interior pellet shot from a slingshot (4) is lower than inner core (1) wall or maintains an equal level with inner core (1) wall.
2, the lock core of a kind of locking device according to claim 1 is characterized in that: the head of housing (2) has the circular hole (11) as key turnover inner core (1) bore passages, and this circular hole (11) cooperates with inner core (1) inner chamber (7) forms keyhole.
3, the lock core of a kind of locking device according to claim 2 is characterized in that: the internal diameter φ of inner core (1) inner chamber (7)
2Internal diameter φ greater than circular hole (11)
1
4, according to the lock core of claim 1 or 2 or 3 described a kind of locking devices, it is characterized in that: between the termination of end socket (9) and inner core (1) correspondence, be distributed with axle spring fixed cell (12).
5, the key that matches of lock cores a kind of and claim 1 or 2 or 3 or 4 described locking devices comprises the shank of the key (14), key bar (16), key bit (19), and key bit (19) is distributed in the top edge of gear piece (17), it is characterized in that:
Key bar (16) is the cylindrical tube that size, shape, size and keyhole match, key bar (16) inner chamber is mounted with regulation cock (15), described regulation cock (15) has the gear piece groove (18) that matches with gear piece (17), gear piece (17) is fixed in the gear piece groove (18) by gear piece pin (22), taper pin hole (24)
The corresponding position of key bar (16), have bar groove (23), bar groove (23) and gear piece groove (18) are formed the up and down passage of gear piece jointly, the locating piece (20) of key bar (16) termination is fixed on regulation cock (15), gear piece (17) the inner chamber the inside of key bar (16), gear piece (a 17) side outwardly be distributed with lock core radially identical, the position of marble amount relatively, the suitable key bit (19) of adjusting size of outstanding size and pellet shot from a slingshot
The afterbody of key bar (16), regulation cock (15) has the handle groove (25) that matches with the shank of the key (14) shape, size, and the shank of the key (14) is fixed on the regulation cock (15) by the handle groove (25) on handle pin (13), the regulation cock (15).
6, a kind of key according to claim 5 is characterized in that: locating piece (20) end is distributed with the axial tooth (21) with axial cylinder positioning unit (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200644593U CN201144547Y (en) | 2007-09-12 | 2007-09-12 | Lock pin and key of locking apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200644593U CN201144547Y (en) | 2007-09-12 | 2007-09-12 | Lock pin and key of locking apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201144547Y true CN201144547Y (en) | 2008-11-05 |
Family
ID=40081421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200644593U Expired - Fee Related CN201144547Y (en) | 2007-09-12 | 2007-09-12 | Lock pin and key of locking apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201144547Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101839090B (en) * | 2010-02-24 | 2012-09-26 | 重庆文理学院 | a tumbler lock |
| CN101446147B (en) * | 2008-12-25 | 2012-10-03 | 陆昱森 | Lock assembled with bidirectional locking spring in elliptical rotary arrangement |
-
2007
- 2007-09-12 CN CNU2007200644593U patent/CN201144547Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101446147B (en) * | 2008-12-25 | 2012-10-03 | 陆昱森 | Lock assembled with bidirectional locking spring in elliptical rotary arrangement |
| CN101839090B (en) * | 2010-02-24 | 2012-09-26 | 重庆文理学院 | a tumbler lock |
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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: 20081105 Termination date: 20150912 |
|
| EXPY | Termination of patent right or utility model |