CN2804294Y - Double-layer lock barrel and cylinder lock with the same - Google Patents
Double-layer lock barrel and cylinder lock with the same Download PDFInfo
- Publication number
- CN2804294Y CN2804294Y CN 200520097215 CN200520097215U CN2804294Y CN 2804294 Y CN2804294 Y CN 2804294Y CN 200520097215 CN200520097215 CN 200520097215 CN 200520097215 U CN200520097215 U CN 200520097215U CN 2804294 Y CN2804294 Y CN 2804294Y
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- lock core
- cylinder
- double
- lock
- returning device
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Abstract
The utility model relates to a double-layer lock core and a cylinder lock with the double-layer lock core, particularly a cylinder lockset. The double-layer lock core comprises a lock core sleeve, a lock core body, a cylinder group and a returning device, wherein the lock core body is composed of an outer lock core and an inner lock core which is positioned in the outer lock core, wherein the outer lock core which is in a cylinder shape is provided with a long strip-shaped blind hole of which the cross section is in a dumbbell shape along axial direction, one side of the outer lock core is provided with cylinder holes which are respectively provided with a cylinder and a spring along radial direction, and the other side of the outer lock core is provided with a stair-shaped key groove which intersects with the cylinder holes; the inner lock core is two cylindrical bodies in the shape of a connecting body, which are matched with the shape of the long strip-shaped blind hole of the outer lock core, the cross section is in the dumbbell shape, end heads of the cylindrical bodies are provided with two poking heads, and the connecting body part of the two cylindrical bodies is mutually communicated with a circular cylinder hole; each cylinder of the cylinder group is composed of a conical head column part and a flat head column part which is connected into integration by a connecting rod and provided with a clamping head; the returning device is a manual returning device or an interlocking returning device. The utility model has good theftproof performance.
Description
Technical field:
The utility model relates to a kind of cylinder lock set, particularly a kind of double-layer lock core with anti-theft feature and with the cylinder lock of this double-layer lock core.
Background technology:
At present, the theftproof lock form on household door and window, motorcycle, the safety cabinet of being widely used in has various, and wherein the lock core of most of cylinder locks all is a single layer structure, and the theftproof performance of this lock is relatively poor, as long as firmly prize the twist lock core, making lock core follow the pilferage instrument to rotate together just can open this lock; Raising along with people's security precautions, the theftproof performance of lockset also more and more is much accounted of, its product is also being updated, some people adopts the multiple tooth key of many ribs and increases the method for pellet shot from a slingshot number, in the hope of reducing the mutual opening rate of key, but this lock uses master key or other aids concerning the experience person that necessarily unblanks is arranged, still can easily lock be opened.
Summary of the invention:
The technical problems to be solved in the utility model is: solve the relatively poor problem of theftproof performance that existing lockset exists, a kind of theftproof performance double-layer lock core and with the cylinder lock of this double-layer lock core preferably is provided.
The technical scheme that solves its above-mentioned technical problem is:
A kind of double-layer lock core, comprise lock core cover, lock core body, pellet shot from a slingshot group, returning device, it is characterized in that: described lock core body is made of outer lock core and the internal cylinder that is positioned at outer lock core, wherein tubular outer lock core has the strip blind hole that cross section is a dumbbell shaped along axis direction, one side of outer lock core radially has 2～20 apertures the pellet shot from a slingshot hole that pellet shot from a slingshot and spring are housed in plug, the hole is housed, the stepped key that opposite side has vertically and intersect in the pellet shot from a slingshot hole is having an oval-shaped stopper slot with stagger 90 ° position of pellet shot from a slingshot hole and key; Described internal cylinder for two disjunctor cylinders that shape matches, cross section is dumbbell shaped of outer lock core strip blind hole, the termination of cylinder termination has two to stir head, the disjunctor of two cylinders partly has 2～20 pellet shot from a slingshot holes that are interconnected by bullet groove, internal cylinder has two circular holes of placing spring at the end near strip blind hole bottom, and the middle part of one of them cylinder has a circular pin hole that spacer pin is installed; Each pellet shot from a slingshot of described pellet shot from a slingshot group partly and by connecting rod is fused, partly constitutes with the flat-nosed cylinder of dop by the conehead cylinder, and the diameter of this connecting rod all less than flat-nosed cylinder partly and the diameter of conehead cylinder part; Described returning device is manual returning device or automatic resetting device.
Described automatic resetting device is the arc slide block that fuses with the circular projection of a side that is positioned at the lock core cover.
Described manual returning device is made up of depression bar, annulus cover and connecting rod, connecting rod one end and annulus cover are fixedly linked, the other end flexibly connects by connecting pin and depression bar, the annulus cover is enclosed within internal cylinder and stirs on the head, also have the circular blind hole that the installation return pin of two symmetries is used at the external part of stirring head, press down-pressed pole, drive the annulus cover by connecting rod and back move, stir and be fixed on internal cylinder and stir return pin on the head and drive and stir a return.
A kind of cylinder lock with double-layer lock core, comprise shell, lock core, lock bolt, it is characterized in that: described lock core is an above-mentioned double-layer lock core of the present utility model, the lock core body of this double-layer lock core is made of outer lock core and internal cylinder, and when lock was in blocking, the head of stirring of the internal cylinder of this double-layer lock core did not stretch out, distance L=1～the 3mm of internal cylinder tip to face distance lock bolt end face, when lock was in unlocking condition, the head of stirring of internal cylinder stretched out, and is stuck in the stirring in the groove of lock bolt.
Because adopt said structure, double-layer lock core of the utility model and the cylinder lock that adopts this double-layer lock core to make are compared with existing cylinder lock set with individual layer lock core, have following beneficial effect:
1, theftproof performance is better:
Because double-layer lock core of the present utility model is to be made of outer lock core and internal cylinder, when lock is in blocking, the flat-nosed cylinder of each pellet shot from a slingshot partly all is positioned at the pellet shot from a slingshot hole of internal cylinder, the head of stirring of the internal cylinder of this double-layer lock core does not stretch out, distance L=1～the 3mm of internal cylinder tip to face distance lock bolt, when this lockset of needs is opened, supporting key is inserted key, thread form on the key all with the tapering point contraposition of each pellet shot from a slingshot, key all can produce certain pressure to each pellet shot from a slingshot, the connecting rod of pellet shot from a slingshot is retracted in the pellet shot from a slingshot hole of internal cylinder, because the bullet groove width between the connection pellet shot from a slingshot hole is greater than the diameter of pellet shot from a slingshot connecting rod on the internal cylinder, this moment is under the pressure effect of internal cylinder end spring, internal cylinder just can be passed bullet groove and outwards be ejected, at this moment key, whole lock core follows key to rotate together, along with stirring the rotation of first limit on the internal cylinder, eject outward on one side, be stuck on the lock bolt, just the lock bolt on the lockset can be pushed aside, thereby whole lockset is opened.When non-supporting key or other instrument insertion key, though whole lock core also can follow key to rotate arbitrarily, but because the width of the bullet groove of lock core is less than the flat-nosed cylinder part of pellet shot from a slingshot, so the flat-nosed cylinder of pellet shot from a slingshot partly blocks the bullet groove of internal cylinder, therefore internal cylinder can not outwards eject, thereby can not stir lock bolt, lockset can not be opened.
In addition, because each pellet shot from a slingshot of the present utility model by the flat-nosed cylinder of band dop partly and conehead cylinder part and the connecting rod formation that fuses, though the diameter of this connecting rod is less than the flat-nosed cylinder part and the conehead cylinder diameter partly of band dop, but still have bigger intensity, therefore this pellet shot from a slingshot is not easy to be fractureed by the stealer tool using is strong, also is not easy to be dissolved disconnected with chemical medicinal liquid by it; And because the flat-nosed cylinder of pellet shot from a slingshot partly also has a dop, even stealer makes with a high hand or uses chemical medicinal liquid to fracture or melt away the conehead cylinder of pellet shot from a slingshot is partly strong, this dop also has a part of flat-nosed cylinder and partly still is stuck in the bullet groove, internal cylinder still can outwards not eject, thereby this lock can not be opened yet.Therefore, the theftproof performance of this lock core is very good.
2, the easy and simple to handle, easy of key of choosing:
After lockset is opened, be inserted in key in the key and often be not easy to be removed and, the choose mode of key of the utility model has two kinds, and a kind of is the automatic resetting device key of choosing automatically, and another kind is by the manual returning device key of manually choosing.The arc slide block that described automatic resetting device and the circular projection of a side that is positioned at lock core cover fuse, pass through rotary locking cylinder, make the certain frictional force of inclined-plane generation of the arc slide block that the alignment pin that is inserted in the internal cylinder dowel hole and lock core put, this frictional force can make the past retraction of stirring on this alignment pin drive internal cylinder, key can be taken off when alignment pin is back to the peak on arc slide block inclined-plane.
In addition; the manual returning device of key of manually choosing is made up of depression bar, annulus cover and connecting rod; by pressing moulded rod inwards; connecting rod drives the annulus cover and back moves; stir and be fixed on internal cylinder and stir return pin on the head and drive and to stir a return; thereby key is taken off, and simultaneously, depression bar also plays the effect of protection lock core keyhole.
3, lock core structure is compact simple, and cost is lower, and highly versatile utilizes this lock core to make to be applicable to the antitheft sylinder of household door and window, motorcycle, safety cabinet desk, file cabinet drawer-lock.
Below, be further described to the double-layer lock core of the utility model and with the technical characterictic of the cylinder lock of this double-layer lock core in conjunction with the accompanying drawings and embodiments.
Description of drawings:
The double-layer lock core structural representation of Fig. 1～Fig. 5: embodiment one described the utility model band automatic resetting device: (state when internal cylinder is stretched out):
Fig. 1: front view, the A-A sectional view of Fig. 2: Fig. 1 (having increased the structure of key 11),
The left view of Fig. 3: Fig. 1, the B-B sectional view of Fig. 4: Fig. 3, the upward view of Fig. 5: Fig. 1;
The double-layer lock core structural representation of the manual returning device of Fig. 6～Fig. 7: embodiment two described the utility model bands:
Fig. 6: front view, the left view of Fig. 7: Fig. 6;
The motorcycle billiards lock structure schematic diagram of the band double-layer lock core of Fig. 8: embodiment three described the utility model (among the figure, the state the when state the when solid line of stirring head represents partly that internal cylinder is not stretched out, dotted line represent partly that internal cylinder is stretched out).
The specific embodiment:
Embodiment one: a kind of double-layer lock core with automatic resetting device
A kind of double-layer lock core, comprise lock core cover 1, lock core body, pellet shot from a slingshot group, returning device, described lock core body is made of outer lock core 2 and the internal cylinder 3 that is positioned at outer lock core 2, wherein tubular outer lock core 2 has the strip blind hole 201 that cross section is a dumbbell shaped along axis direction, one side of outer lock core 2 radially has 2～20 apertures the pellet shot from a slingshot hole 204 that pellet shot from a slingshot 5 and spring 6 are housed in plug, the hole is housed, the stepped key 205 that opposite side has vertically and intersect in the pellet shot from a slingshot hole is having an elliptical slot 206 with stagger 90 ° position of pellet shot from a slingshot hole and key; Described internal cylinder 3 for two disjunctor cylinders that shape matches, cross section is dumbbell shaped of outer lock core strip blind hole 201, the termination of cylinder has two to stir 301,302, the disjunctor of two cylinders partly 303 has 2～20 pellet shot from a slingshot holes 305 that are interconnected by bullet groove 304, internal cylinder has two circular holes 306 of placing spring 7 at the end near strip blind hole 201 bottoms, and the middle part of one of them cylinder has a circular pin hole 307 that spacer pin 8 is installed; Each pellet shot from a slingshot 5 of described pellet shot from a slingshot group is by conehead cylinder partly 501 and fuse, partly 503 constitute with the flat-nosed cylinder of dop by connecting rod 502, and the diameter of this connecting rod 502 is all less than flat-nosed cylinder partly 503 and conehead cylinder 501 diameter partly; Described returning device is an automatic resetting device, and this automatic resetting device is the arc slide block 102 that fuses with the circular projection 101 of a side that is positioned at lock core cover 1.Described outer lock core 2 has the step 202 that cooperates with lock core cover in the key insertion end, has two pin-and-holes 203 that are along the circumferential direction symmetrical, installing and locating pin 4 usefulness (referring to Fig. 1～Fig. 5) at the other end.
As a kind of conversion of the present utility model: the pellet shot from a slingshot hole 204 on described pellet shot from a slingshot 5, spring 6 and the corresponding outer lock core and the quantity in the pellet shot from a slingshot hole 305 on the internal cylinder can increase or reduce, and generally get 2～20.
As another conversion of the present utility model: the cross section of described outer lock core 2 strip blind holes 201 and internal cylinder with matching 3 can also be other shape.
Embodiment two:
A kind of double-layer lock core with manual returning device
Its basic structure is with embodiment one, institute's difference is: described returning device is not an automatic resetting device, but manual returning device, this manual returning device is made up of depression bar 901, annulus cover 903 and connecting rod 902, connecting rod 902 1 ends and annulus cover 903 are fixedly linked, the other end flexibly connects by connecting pin 10 and depression bar 901, annulus cover 903 is enclosed within internal cylinder 3 and stirs on 301,302, also has the circular blind hole 308 (referring to Fig. 6, Fig. 7) of installation return pin 12 usefulness of two symmetries at an external part of stirring 301,302; Press down-pressed pole 901, drive the annulus cover by connecting rod and back move, stir and be fixed on internal cylinder 3 and stir on 301,302 return pin and drive and stir a return.
Embodiment three:
A kind of motorcycle cylinder lock with double-layer lock core
A kind of holder car cylinder lock with double-layer lock core, the lock core II that comprises shell I and be positioned at shell I, reach locking bar IV (referring to Fig. 8) with lock bolt III interlock, described lock core II is embodiment one or embodiment two described double-layer lock cores, the lock core body of this double-layer lock core is made of outer lock core II-1 and internal cylinder II-2, described lock bolt III is by two dead bolt III-1, III-2 forms, and it is continuous by the spring V of band locating pin, when cylinder lock is in blocking, the head of stirring of the internal cylinder of this double-layer lock core does not stretch out, distance L=1～the 3mm of internal cylinder tip to face distance lock bolt end face, two dead bolt III-1 of lock bolt III, III-2 is backed down by spring V, lock enters the termination of locking bar IV, when lock is in unlocking condition, the head of stirring of internal cylinder stretches out, and what be stuck in lock bolt stirs in the groove (referring to Fig. 8) key, drive two dead bolt III-1 of lock bolt III, the III-2 retraction is opened lock.
As a kind of conversion of present embodiment, described double-layer lock core also is applicable to the drawer-lock of making door lock, safety cabinet lock, desk, file cabinet etc.
Claims (4)
1, a kind of double-layer lock core, comprise lock core cover (1), lock core body, the pellet shot from a slingshot group, returning device, it is characterized in that: described lock core body is made of outer lock core (2) and the internal cylinder (3) that is positioned at outer lock core (2), wherein tubular outer lock core (2) has the strip blind hole (201) that cross section is a dumbbell shaped along axis direction, one side of outer lock core radially has 2～20 apertures plug is housed, the pellet shot from a slingshot hole (204) of pellet shot from a slingshot (5) and spring (6) is housed in the hole, the stepped key (205) that opposite side has vertically and intersect in the pellet shot from a slingshot hole is having an elliptical slot (206) with stagger 90 ° position of pellet shot from a slingshot hole and key; Described internal cylinder (3) for two disjunctor cylinders that shape matches, cross section is dumbbell shaped of outer lock core strip blind hole (201), the termination of cylinder termination has two to stir head (301), (302), the disjunctor of two cylinders partly (303) has 2～20 pellet shot from a slingshot holes (305) that are interconnected by bullet groove (304), internal cylinder has two circular holes (306) of placing spring (7) at the end near strip blind hole (201) bottom, and the middle part of one of them cylinder has a circular pin hole (307) that spacer pin (8) is installed; Each pellet shot from a slingshot (5) of described pellet shot from a slingshot group by the conehead cylinder partly (501) and by connecting rod (502) fuse, with the flat-nosed cylinder of dop partly (503) constitute, the diameter of this connecting rod (502) is all less than the flat-nosed cylinder diameter of (503) and conehead cylinder part (501) partly; Described returning device is the moving returning device of manual returning device or lock.
2, double-layer lock core according to claim 1 is characterized in that: described returning device is an automatic resetting device, and this automatic resetting device is the arc slide block (102) that fuses with the circular projection of a side that is positioned at lock core cover (1) (101).
3, double-layer lock core according to claim 1, it is characterized in that: described returning device is manual returning device (9), this manual returning device is by depression bar (901), annulus cover (903) and connecting rod (902) are formed, connecting rod (902) one ends and annulus cover (903) are fixedly linked, the other end flexibly connects by connecting pin (10) and depression bar (901), annulus cover (9) is enclosed within internal cylinder (3) and stirs head (301), (302) on, stirring head (301), (302) external part also has the circular blind hole (308) of installation return pin (12) usefulness of two symmetries, press down-pressed pole (901), drive the annulus cover by connecting rod and back move, stir and be fixed on internal cylinder (3) and stir head (301), (302) go up the return pin drive and stir a return.
4, a kind of cylinder lock, comprise shell, lock core, lock bolt, it is characterized in that: described lock core is the described double-layer lock core of claim 1～3, the lock core body of this double-layer lock core is made of outer lock core and internal cylinder, and when lock was in blocking, the head of stirring of the internal cylinder of this double-layer lock core did not stretch out, distance L=1～the 3mm of internal cylinder tip to face distance lock bolt end face, when lock was in unlocking condition, the head of stirring of internal cylinder stretched out, and is stuck in the stirring in the groove of lock bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520097215 CN2804294Y (en) | 2005-07-15 | 2005-07-15 | Double-layer lock barrel and cylinder lock with the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520097215 CN2804294Y (en) | 2005-07-15 | 2005-07-15 | Double-layer lock barrel and cylinder lock with the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2804294Y true CN2804294Y (en) | 2006-08-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520097215 Expired - Fee Related CN2804294Y (en) | 2005-07-15 | 2005-07-15 | Double-layer lock barrel and cylinder lock with the same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2804294Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101372877A (en) * | 2007-12-16 | 2009-02-25 | 刘向前 | Five-keyhole double-layer lock core inside-outside opening one-way two-level lock for safety door |
| CN101265773B (en) * | 2007-09-05 | 2011-04-06 | 刘向前 | Three-keyhole double layer lock master U-shaped lock for motorcycle |
| CN101265765B (en) * | 2007-09-05 | 2011-08-03 | 刘向前 | Six keyhole double layer lock master U-shaped lock for outer door |
| CN101265772B (en) * | 2007-09-05 | 2011-08-31 | 刘向前 | Four-keyhole double layer lock master U-shaped lock for bicycle |
| CN106996218A (en) * | 2016-01-23 | 2017-08-01 | 姚韶腾 | A kind of lock assembly of lock core structure and the application structure |
| CN108386074A (en) * | 2018-03-15 | 2018-08-10 | 胡鲁平 | Double copies open the method that tapered end prevents technology unlocking |
-
2005
- 2005-07-15 CN CN 200520097215 patent/CN2804294Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101265773B (en) * | 2007-09-05 | 2011-04-06 | 刘向前 | Three-keyhole double layer lock master U-shaped lock for motorcycle |
| CN101265765B (en) * | 2007-09-05 | 2011-08-03 | 刘向前 | Six keyhole double layer lock master U-shaped lock for outer door |
| CN101265772B (en) * | 2007-09-05 | 2011-08-31 | 刘向前 | Four-keyhole double layer lock master U-shaped lock for bicycle |
| CN101372877A (en) * | 2007-12-16 | 2009-02-25 | 刘向前 | Five-keyhole double-layer lock core inside-outside opening one-way two-level lock for safety door |
| CN101372877B (en) * | 2007-12-16 | 2015-08-12 | 刘向前 | Safety door five keyhole double-layer lock core inside-outside opening one-way two-level locks |
| CN106996218A (en) * | 2016-01-23 | 2017-08-01 | 姚韶腾 | A kind of lock assembly of lock core structure and the application structure |
| CN108386074A (en) * | 2018-03-15 | 2018-08-10 | 胡鲁平 | Double copies open the method that tapered end prevents technology unlocking |
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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 |