CN200971647Y - Steel ball lock - Google Patents
Steel ball lock Download PDFInfo
- Publication number
- CN200971647Y CN200971647Y CN 200620137171 CN200620137171U CN200971647Y CN 200971647 Y CN200971647 Y CN 200971647Y CN 200620137171 CN200620137171 CN 200620137171 CN 200620137171 U CN200620137171 U CN 200620137171U CN 200971647 Y CN200971647 Y CN 200971647Y
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- CN
- China
- Prior art keywords
- lock core
- slingshot
- pellet shot
- steel ball
- locating slot
- 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.)
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 23
- 239000010959 steel Substances 0.000 title claims abstract description 23
- 239000008188 pellet Substances 0.000 claims description 71
- 208000006558 Dental Calculus Diseases 0.000 claims description 6
- 230000009977 dual effect Effects 0.000 abstract 2
- 238000010586 diagram Methods 0.000 description 7
- 239000004579 marble Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
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Abstract
The utility model discloses a steel ball cylinder, which is composed of a lock cylinder (5), a lock cylinder sleeve (6), a locking steel ball (4), a dead bolt (2) and a spring (7). The structure is that: dual rows of positioning grooves (1) arranged in linearity are arranged along the axial direction of the lock cylinder (5) and a dead bolt (2) and a spring (7) are positioned in each positioning groove (1), while a flute (8) is arranged at the external side of the deal bolt (2) so that the locking steel ball (4) can enter in; the distance of the flute (8) away from the height at the bottom of the dead bolt (2) is corresponding to the bit depth of the key and dead bolt (2) is correspondingly provided with a locking steel ball (4) that is embedded between the lock cylinder sleeve (6) and the dead bolt (2). The utility model has applied the dual row cylinder lock so as to enhance the twisting resistance of the cylinder and at the same time increase the technical unlocking difficulty.
Description
Technical field
The utility model relates to the safe antitheft technical field, especially relates to a kind of tapered end of preventing the steel ball atomic structure of technical opening.
Background technology
At present, general ball lock head comprises lock tube and lock core, lock tube is enclosed within outside the lock core, its structure is normally having a plurality of linearly aligned radially pellet shot from a slingshot passages (below be referred to as locating slot) that axially are on the lock tube, lock core shaft to corresponding site also have same a plurality of radial detents, two pellets shot from a slingshot (being called lock tube pellet shot from a slingshot and lock core marble here) and spring all are housed in each radial detents.Locating slot joint between lock tube and the lock core is a unlatching face, and the pellet shot from a slingshot head contact point between two pellets shot from a slingshot is an opening point, when opening point overlaps with unlatching face, is unlocking condition; If the lock tube pellet shot from a slingshot is stuck on the unlatching face under the pressure of spring, at this moment, lock tube and lock core can not relatively rotate, and promptly can not unblank.Have only after matched key inserts lock core, the tartar jack-up lock core marble of this key, lock core marble pushes up back lock tube with the lock tube pellet shot from a slingshot again, and opening point is overlapped with unlatching face, and at this moment, lock tube can be done relative rotation with lock core, can unblank.
If this lock uses unlocked by universal key, master key can go out lock core with the lock core marble pushing tow, makes the soffit of lock core marble equal with unlatching face, and lock core and lock tube can be done equally and relatively rotate and unblank so.Therefore under this situation that is locked in no matched key, can easier just can not open tapered end by destroying lock core, promptly be easier to the method unlatching of operation technique unlatching, safety is lower.
At the Chinese patent publication number is among the CN2780917, disclose a kind of tapered end that adopts locking steelball, its structure is that lock core groove adopts " mountain " font commonly used, and two lock core grooves are used to insert rotating spanner about it, when opening, drive lock core and rotate and realize unblanking by rotating this rotating spanner; Middle lock core groove is as locating slot, is used for inserting dialling pearl device incoming wave of moving and making lock core be in opening.As shown in Figure 1, in the locating slot in the middle of this lock core 6, pellet shot from a slingshot 5 and spring 7 are housed, be provided with a card 4 in the locating slot sagittal plane, the card spring that card 4 is moved is equipped with at card 4 two ends outside lock core 6, be embedded with locking steelball 3 between lock tube 2 and the lock core 6, locking steelball 3 is fixed in card 4 outers, and a card slot that can allow card 4 enter this pellet shot from a slingshot 5 is arranged on the pellet shot from a slingshot 5.After matched key inserts lock core 6, the tartar jack-up pellet shot from a slingshot 5 of this key, make the card slot on the pellet shot from a slingshot 5 just in time in the same plane with card 4, at this moment, card 4 enters this card slot, in rotating spanner rotational lock core 6, card 4 drives locking steelball 3 and enters lock core 6, makes tapered end be in opening.
As from the foregoing, this is latched in following hidden danger:
1, because lock core groove adopts is " mountain " font, rotating spanner inserts different lock core grooves respectively with group pearl device, so just can when dialling pearl, attempt unblanking, so just provide feasible condition for technical unlocking with the rotating spanner rotational lock core with group pearl device;
2, because the steel ball 3 that is used to lock is single, can cause twisting resistance less relatively like this, equally also reduce the difficulty of technical opening;
3, owing on the card 4 of connection steel ball 3 back-moving spring is housed, when the tapered end locking, spring is compressed, when being in when unblanking, card 4 just in time enters card slot, this moment, the back-moving spring of script compression can discharge voluntarily, therefore had group pearl feel that causes because of the elastic reset of back-moving spring when dialling pearl, had therefore also reduced difficulty of technical opening.
The utility model content
The technical problems to be solved in the utility model provides a kind of steel ball of ball end of preventing technical opening, increases difficulty of technical opening by the quantity that changes lock core structure and increase steel ball, to play antitheft effect.
The utility model is achieved through the following technical solutions:
A kind of steel ball of ball end, comprise lock core 5, lock core cover 6, locking steelball 4, pellet shot from a slingshot 2, reach spring 7, its structure is: axially have the double locating slot 1 that linearity is arranged that is at lock core 5, each locating slot is equipped with pellet shot from a slingshot 2 and spring 7 for 1 li, have the groove 8 that can allow locking steelball 4 enter on pellet shot from a slingshot 2 outer side edges edge, this groove 8 is corresponding with the tartar degree of depth of key apart from the height of these pellet shot from a slingshot 2 bottoms, so that after matched key inserts lock core, groove 8 is in the same plane with locking steelball 4, and this moment, this groove 8 was the diameter of locking steelball 4 to the distance of outer wall of lock core; 2 pairs of described pellets shot from a slingshot should have a locking steelball 4, and this locking steelball 4 is embedded between lock core cover 6 and the pellet shot from a slingshot 2.
Preferably, the double locating slot 1 in the described lock core 5 is a parallel arrangement.
Preferably, the double locating slot 1 in the described lock core 5 is that splay configuration is arranged.
Preferably, the double locating slot 1 in the described lock core 5 is that inverse is arranged.
Preferably, the double locating slot 1 in the described lock core 5 be stagger mutually along the lock core axial arranging.
Preferably, the cross section of described pellet shot from a slingshot 2 is circular; And have groove 8 along a week along the outer side edges of pellet shot from a slingshot 2.
The cross section of described pellet shot from a slingshot 2 can also be non-circular arbitrary shape; Groove 8 opening directions of this pellet shot from a slingshot 2 are the motion path direction of locking steelball 4.
Preferably, be connected between the double locating slot 1 in the described lock core 5 and form ∪ font lock core groove.
Preferably, the motion path of described locking steelball 4 is axially vertical with this pellet shot from a slingshot 2.
Preferably, described locking steelball 4 is a spheroid, is hemispheric cylinder for two ends perhaps.
By technique scheme, by double pellet shot from a slingshot 2, strengthened the twisting resistance of lock core 5, simultaneously, make technical unlocking be difficult to carry out like this owing to dial pearl in the utility model and rotational lock core carries out in same lock core groove; And the utility model adopts is that pellet shot from a slingshot 2 and locking steelball 4 contact, and do not have back-moving spring between it, this when dialling pearl because do not dial the pearl feel because increased difficulty of technical opening yet.
In addition and since the utility model adopt be stainless shot as locking steelball 4, can prevent to carry out technical opening with group pearl device of magnetic, also further increased difficulty of technical opening.
Description of drawings
Fig. 1 is the horizontal section schematic diagram of the steel ball of ball end lock core of prior art;
Fig. 2 is the exploded perspective view of the utility model tapered end;
Fig. 3 is the lock core horizontal section schematic diagram of the utility model embodiment one under lock-out state;
Fig. 4 is the lock core horizontal section schematic diagram of the utility model embodiment one under opening;
Fig. 5 is the horizontal section schematic diagram of the embodiment two of the utility model lock core;
Fig. 6 is the horizontal section schematic diagram of the embodiment three of the utility model lock core.
The specific embodiment
The core concept of the technical scheme that the utility model provides is:
A kind of double ball lock head comprises lock core, lock core cover, spherical locking steelball, columniform pellet shot from a slingshot, reaches spring.Its structure is, to having the double locating slot that linearity is arranged that is, pellet shot from a slingshot and spring are housed in each locating slot in lock core shaft, have the groove that can allow locking steelball enter on pellet shot from a slingshot outer side edges edge, guarantee that after locking steelball enters groove locking steelball can all enter lock core.Each pellet shot from a slingshot is to there being a locking steelball, and this locking steelball is embedded between lock core cover and the pellet shot from a slingshot.
A kind of preferred embodiment one that the utility model provides is the double cylindrical billiard lock of ∪ font, as shown in Figure 2 in the structure explosive view of this tapered end, lock core 5 is enclosed within the lock core cover 6, axially have the double locating slot 1 that linearity is arranged that is at lock core 5, described double locating slot 1 is preferably axially to stagger along lock core 5 and arranges, a pellet shot from a slingshot 2 and spring 7 are housed in each locating slot 1, each pellet shot from a slingshot 2 corresponding locking steelball 4, this locking steelball 4 is embedded between pellet shot from a slingshot 2 and the lock core cover 6 by lock hole 3.Lock core back-up ring 10 and lock core back-up ring screw 11 are fixed on transmission bar 12 on the lock core 5, and transmission bar 12 can be rotated along with the rotation of lock core 5.
The internal construction of lock core 5 is illustrated in figure 3 as in the present embodiment: described double locating slot 1 is that parallel " || " type that is is arranged.Each locating slot is equipped with pellet shot from a slingshot 2 and spring 7 for 1 li, have the circular groove 8 that can allow locking steelball 4 enter in pellet shot from a slingshot one week of 2 radial outside edges, this circular groove 8 is corresponding with the tartar degree of depth of key apart from the height of these pellet shot from a slingshot 2 bottoms, so that after matched key inserts lock core 5, circular groove 8 is in the same plane with locking steelball 4, and this moment, this circular groove 8 was the diameter of locking steelball 4 to the distance of lock core 5 outer walls; 2 pairs of described pellets shot from a slingshot should have a locking steelball 4, and this locking steelball 4 is embedded between lock core cover 6 and the pellet shot from a slingshot 2 for stainless shot, and its motion path is axially vertical with pellet shot from a slingshot 2.
When being in the lock state, spring 7 resets pellet shot from a slingshot 2, locking steelball 4 is subjected to the thrust of the external diameter of pellet shot from a slingshot 2, make locking steelball 4 have sub-fraction to enter into the lock hole 3 of lock core cover 6, another part rests in locking steelball 4 holes of lock core 5, locking steelball 4 is connect lock core 5 and lock core cover 6 firmly, reach the purpose of locking;
As Fig. 2, shown in 4, when matched key 9 inserts lock core 5, because the tartar on the key 9 is corresponding one by one with each pellet shot from a slingshot 2, so, pairing all pellets shot from a slingshot 2 all are raised, make the circular groove 8 on the pellet shot from a slingshot 2 just be in same plane with locking steelball 4, at this moment, locking steelball 4 can freely roll, and when key 9, originally lock core 5 and lock core cover 6 is connect the locking steelball of fixing 4 is rolled to pellet shot from a slingshot 2 under the promotion at pellet shot from a slingshot 2 circular grooves 8 edges 8 li of circular grooves, locking steelball 4 has been removed lock-out state, lock core 5 can rotate along with the rotation of key 9, drives the transmission bar 12 that is fixed on the lock core 5 simultaneously and rotates together, with the purpose that realizes opening.
Lock core groove in the technique scheme is preferably double locating slot 1 bottom is connected, formation be ∪ font lock core groove.In addition lock core groove can also be taked other forms among other embodiment, show as the H font lock core groove that any position between ∩ font lock core groove or the two ends at double locating slot is connected and forms that is that is connected on the top of double locating slot, do not have connection between the perhaps double locating slot 1.
Simultaneously, the cross section of the described pellet shot from a slingshot 2 of such scheme is circular, and in other embodiment, the cross section of described pellet shot from a slingshot 2 can be for non-circular other arbitrary shapes, as polygon, and triangle etc.; At this moment, the slot opening direction of this pellet shot from a slingshot 2 is the motion path direction of locking steelball 4.
In the utility model, the parallel arrangement of the arrangement mode of double locating slot in above-mentioned preferred embodiment, comprise that also splayed is arranged and herringbone is arranged two kinds, below at these two kinds of arrangement modes, select two embodiment to do an explanation:
As shown in Figure 5, in the horizontal section schematic diagram of lock core embodiment two, described double locating slot 1 is "/" font and arranges (being called splay configuration in the utility model) on the cross section of lock core 5, be that distance between the top of double locating slot 1 is less than the distance between this bottom land end, pellet shot from a slingshot 2 and spring 7 are housed in locating slot 1, have the circular groove 8 that can allow locking steelball 4 enter at pellet shot from a slingshot 2 radial outside edges, 2 pairs of described pellets shot from a slingshot should have a locking steelball 4, this locking steelball 4 is embedded between lock core cover 6 and the pellet shot from a slingshot 2 for stainless shot, and its motion path is axially vertical with pellet shot from a slingshot 2.
As shown in Figure 6, in the horizontal section schematic diagram of lock core embodiment three, described double locating slot 1 is "/" font and arranges (being called inverse in the utility model) on the cross section of lock core 5, be that distance between the top of double locating slot 1 is greater than the distance between this bottom land end, pellet shot from a slingshot (2) and spring 7 are housed in the locating slot 1, have the circular groove 8 that can allow locking steelball 4 enter at pellet shot from a slingshot 2 radial outside edges, 2 pairs of described pellets shot from a slingshot should have a locking steelball 4, this locking steelball 4 is embedded between lock core cover 6 and the pellet shot from a slingshot 2 for stainless shot, and its motion path is axially vertical with pellet shot from a slingshot 2.
The groove of pellet shot from a slingshot 2 avris is a circular groove described in above-mentioned preferred three embodiment, in addition also can adopt the groove of other shapes, such as triangular groove, dovetail groove, quadrangle, and other polygon grooves.Described locking steelball 4 can also be hemispheric cylinder for two ends except sphere.
Above-described the utility model embodiment does not constitute the qualification to the utility model protection domain.Any modification of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the claim protection domain of the present utility model.
Claims (10)
1, a kind of steel ball of ball end, comprise lock core (5), lock core cover (6), locking steelball (4), pellet shot from a slingshot (2), and spring (7), it is characterized in that, axially have the double locating slot (1) that linearity is arranged that is at lock core (5), pellet shot from a slingshot (2) and spring (7) are equipped with in each locating slot (1) lining, have the groove (8) that can allow locking steelball (4) enter on pellet shot from a slingshot (2) outer side edges edge, this groove (8) is corresponding with the tartar degree of depth of key apart from the height of this pellet shot from a slingshot (2) bottom, so that after matched key inserts lock core, groove (8) and locking steelball (4) are in the same plane, and this groove this moment (8) is the diameter of locking steelball (4) to the distance of outer wall of lock core; Described pellet shot from a slingshot (2) is to there being a locking steelball (4), and this locking steelball (4) is embedded between lock core cover (6) and the pellet shot from a slingshot (2).
2, steel ball of ball end according to claim 1 is characterized in that, the double locating slot (1) in the described lock core (5) is a parallel arrangement.
3, steel ball of ball end according to claim 1 is characterized in that, the double locating slot (1) in the described lock core (5) is that splay configuration is arranged.
4, steel ball of ball end according to claim 1 is characterized in that, the double locating slot (1) in the described lock core (5) is that inverse is arranged.
5, steel ball of ball end according to claim 1 is characterized in that, the double locating slot (1) in the described lock core (5) be stagger mutually along the lock core axial arranging.
6, steel ball of ball end according to claim 1 is characterized in that, the cross section of described pellet shot from a slingshot (2) is circular, and along the outer side edges of pellet shot from a slingshot (2) along having groove (8) week.
7, steel ball of ball end according to claim 1 is characterized in that, the cross section of described pellet shot from a slingshot (2) is non-circular arbitrary shape; Groove (8) opening direction of this pellet shot from a slingshot (2) is the motion path direction of locking steelball (4).
8, steel ball of ball end according to claim 1 is characterized in that, is connected between the double locating slot (1) in the described lock core (5) to form U font lock core groove.
9, steel ball of ball end according to claim 1 is characterized in that, the motion path of described locking steelball (4) is axially vertical with this pellet shot from a slingshot (2).
10, steel ball of ball end according to claim 1 is characterized in that, described locking steelball (4) is a spheroid, is hemispheric cylinder for two ends perhaps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620137171 CN200971647Y (en) | 2006-09-29 | 2006-09-29 | Steel ball lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620137171 CN200971647Y (en) | 2006-09-29 | 2006-09-29 | Steel ball lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200971647Y true CN200971647Y (en) | 2007-11-07 |
Family
ID=38882903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620137171 Expired - Fee Related CN200971647Y (en) | 2006-09-29 | 2006-09-29 | Steel ball lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200971647Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105113859A (en) * | 2015-09-17 | 2015-12-02 | 中山市基信锁芯有限公司 | Anti technology opening lock cylinder |
-
2006
- 2006-09-29 CN CN 200620137171 patent/CN200971647Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105113859A (en) * | 2015-09-17 | 2015-12-02 | 中山市基信锁芯有限公司 | Anti technology opening lock cylinder |
| CN105113859B (en) * | 2015-09-17 | 2017-05-31 | 中山市基信锁芯有限公司 | Technical-opening-preventing lock cylinder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: ZHONGSHAN ASSA ABLOY SECURITY TECHNOLOGY COMPANY L Free format text: FORMER NAME: GULI SECURITY PRODUCTS LIMITED |
|
| CP03 | Change of name, title or address |
Address after: 528415 Guangdong province Xiaolan Town sand mouth Jucheng Road No. 33-35 Patentee after: Zhongshan ASSA ABLOY Security Technology Co., Ltd. Address before: 528415 Guangdong Xiaolan Town, Zhongshan Shakou road Jucheng Patentee before: Guli Security Products Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071107 Termination date: 20140929 |
|
| EXPY | Termination of patent right or utility model |