CN202000765U - Combination lock - Google Patents
Combination lock Download PDFInfo
- Publication number
- CN202000765U CN202000765U CN2011201221107U CN201120122110U CN202000765U CN 202000765 U CN202000765 U CN 202000765U CN 2011201221107 U CN2011201221107 U CN 2011201221107U CN 201120122110 U CN201120122110 U CN 201120122110U CN 202000765 U CN202000765 U CN 202000765U
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- Prior art keywords
- lock body
- ball
- dead bolt
- hole
- lock
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- Expired - Lifetime
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- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 230000000295 complement effect Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a combination lock, which comprises a lock body, combination rings and a bolt, wherein a first ball bearing is arranged between each combination ring and the lock body, and counting grooves are arranged on the outer surface of the lock body; check grooves for limiting the combination rings to reversely rotate are arranged on the outer surface of the lock body, and a hole for accommodating a second ball bearing is positioned at a joint of the two adjacent combination rings on the lock body; the second ball bearing is restricted and arranged in the hole and extends out of the lock body to prop against the bolt, and an annular groove matched with the second ball bearing is arranged on the bolt; and a pit for restricting the second ball bearing is arranged at the joint of the two adjacent combination rings. The combination lock has a simple structure and reliable performances, can be conveniently opened in poor lighting environments, and can be widely used in daily life.
Description
Technical field
The utility model relates to the coded lock technology field, relates in particular to a kind of mechanical code lock that is used to lock automobile spare tire.
Background technology
Automobile spare tire normally is placed on the outside in compartment, and for antitheft, the driver uses lockset that automobile spare tire is pinned usually, makes its firm being fixed on the car body.Lockset commonly used at present has cylinder lock, mechanical code lock and electronic password lock, and these lock structures are all very complicated, damage easily, and anti-theft effect is poor.
Because automobile spare tire is not frequent use, so the lockset of lock automobile spare tire is seldom opened, these locksets commonly used now are because complex structure, expose in the external world, often fall into dust after corrosion or in the keyhole, just can't open, a lot of drivers so and worried.
Automobile is sometimes at night running, when needing to change spare tyre, no matter be mechanical code lock or electronic password lock, all needing to input correct password just can open, the coded lock numeral need can see clearly when light is fine, so no matter be key lock or coded lock, all need could open smoothly when well lighted, just waste time and energy when light difference, this also is a lot of drivers' of puzzlement a a great problem.
The utility model content
Technical problem to be solved in the utility model is: a kind of coded lock is provided, and simple in structure, dependable performance still can conveniently be opened under the environment of light difference.
For solving the problems of the technologies described above, the technical solution of the utility model is: coded lock, comprise lock body, be arranged with at least two cipher rings that are arranged in together on the described lock body, described cipher ring rotates and is installed on the described lock body, described lock body is provided with lockhole, be slidingly fitted with dead bolt in the described lockhole, described cipher ring is provided with a blind hole, is provided with first ball in the described blind hole, be provided with the compression spring between described first ball and the cipher ring, described first ball relies on the external surface of described lock body; The external surface of described lock body is provided with some along the axially extended counting groove of described lock body, and the external surface of described lock body is provided with one and is used to limit the counter-rotational stop-return slot of described cipher ring, and described stop-return slot is between two adjacent counting grooves; Be positioned at described two adjacent cipher ring intersections on the described lock body and be provided with the hole that holds second ball, described second ball constraint is installed in the described hole and stretches out described lock body and relies on the described dead bolt; Described dead bolt is provided with the cannelure that is complementary with described second ball; The intersection of described adjacent two cipher rings is provided with the depression of described second ball of constraint.
As a kind of improvement, described lock body comprises sleeve, and described counting groove and stop-return slot are located at the external surface of described sleeve, and the two ends of described sleeve are provided with closure plate, and described cipher ring is arranged between described two closure plates.
As further improvement, being shaped as near an end of joint ring of described hole is big, and be little near an end of dead bolt.
As further improvement, the size of close dead bolt one end of described hole is less than the diameter of described second ball.
As further improvement, be provided with the stopping element that is used to limit described dead bolt rotation between described lock body and the dead bolt.
As further improvement, described stopping element comprises fin, described fin be arranged in the described lockhole and be positioned at described lockhole axially on; The end of described dead bolt is provided with and the corresponding locking groove of described fin.
As further improvement, described cipher ring is provided with a through hole, and described through hole is relative with the blind hole position and be positioned on the same center line.
As further improvement, the external surface of described cipher ring is provided with groove or the decorative pattern that is used for conveniently holding.
As further improvement, the intersection of described adjacent two cipher rings is provided with antitheft shallow slot, and the degree of depth of described antitheft shallow slot is less than the degree of depth of described depression.
Owing to adopted technique scheme, the beneficial effects of the utility model are: be provided with the hole that holds second ball owing to be positioned at described two adjacent cipher ring intersections on the lock body, dead bolt is provided with the cannelure that is complementary with second ball, the intersection of adjacent two cipher rings is provided with the depression of constraint second ball, make dead bolt only in the depression of two adjacent cipher rings simultaneously during alignment holes, second ball can be ejected from hole by dead bolt, otherwise second ball is always in hole, rely in the cannelure of dead bolt, make coded lock be in lockup state; Again because the external surface of lock body is provided with some counting grooves, the external surface of lock body also is provided with one and is used for the counter-rotational stop-return slot of limit for cryptographic ring, first ball relies on the external surface of lock body, make the ball of winning have tally function, when each cipher ring backward rotation, when first ball turns to the stop-return slot position, it is motionless that cipher ring just changes, be " 0 " position of so-called cipher ring at this moment, according to the relation of the pairing counting groove of the depression on hole and the cipher ring, just can draw the unlatching password of this cipher ring with " 0 " position; The advantage of this coded lock is:
(1). simple in structure, the component of required processing are few, and cost of manufacture is low;
(2). few easy workout part, the long service life of coded lock is not even open for a long time, when opening once more, as long as remember password, just can easily open;
(3). good anti-theft effect, present automobile spare tire is often stolen, one of them reason is exactly that lockset is firm inadequately, the crime molecule uses vice or gas cutting to destroy coded lock usually and steals automobile spare tire, what the utility model was exposed is the cipher ring part, vice jaw folder is not come, can't adopt vice to destroy coded lock, again because cipher ring partly is a sandwich construction, three layers of total cipher ring, lock body and dead bolts, when using gas cutting, flame often can't destroy three layer construction, so theftproof performance takes on a new look greatly;
(4). light difference still can be opened smoothly, as long as remember password, even in the dark also can the smooth opening coded lock, the backward rotation cipher ring, find " 0 " position, rotate each cipher ring according to the password of setting then, in rotating process, first ball each with count contacting of groove, can produce a sound, rotate each cipher ring, count to password value after, therefore just can easily open coded lock, in light difference or do not have to use under the environment of light.
Because after hole near the size of the dead bolt one end diameter less than second ball, made that coded lock is opened, dead bolt was extracted out from lockhole, second ball still is constrained in the hole on the lock body, is unlikely to come off, and is more convenient to use.
Be used to limit the stopping element that dead bolt rotates owing to be provided with between lock body and the dead bolt, make coded lock when opening, not relatively rotate between lock body and the dead bolt, only need the rotational password ring, easy to operate.
Because it is one relative with the blind hole position and be positioned at through hole on the same center line that cipher ring is provided with, make the blind hole on the cipher ring process convenient, this through hole can be used as a fabrication hole, after boring well, continue to bore blind hole on the other side, manufacture craft is simple, has shortened process time, has improved production efficiency.
Because the intersection of adjacent two cipher rings is provided with antitheft shallow slot, the degree of depth of antitheft shallow slot is less than the degree of depth of depression, make second ball when turning to antitheft shallow slot, also can produce the feel that pops up, but can not deviate from the cannelure on the dead bolt fully, so dead bolt still can't be deviate from, have only when second ball being turned to recessed position and can open coded lock by password, the design of antitheft shallow slot, obscure the thinking of stealer to a great extent, further improved the safe antitheft performance of coded lock.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 be among Fig. 1 A-A to sectional view;
Fig. 3 be among Fig. 1 B-B to sectional view;
Fig. 4 is the structural representation of lock body;
Fig. 5 be among Fig. 4 C-C to sectional view;
Fig. 6 is the structural representation of cipher ring;
Fig. 7 is the utility model embodiment opening figure;
Among the figure: 1, lock body, 11, closure plate, 12, sleeve, 13, lockhole, 14, counting groove, 15, stop-return slot, 16, hole, 2, cipher ring, 21, depression, 22, blind hole, 23, through hole, 24, antitheft shallow slot, 3, dead bolt, 31, cannelure, 32, locking groove, 4, first ball, 5, compression spring, 6, second ball, 7, fin.
The specific embodiment
As Fig. 1, Fig. 2 and shown in Figure 3, a kind of coded lock, comprise lock body 1, be arranged with at least two cipher rings 2 that are arranged in together on the described lock body 1, described cipher ring 2 rotates and is installed on the described lock body 1, described lock body 1 is provided with lockhole 13, be slidingly fitted with dead bolt 3 in the described lockhole 13, described cipher ring 2 is provided with a blind hole 22, be provided with first ball 4 in the described blind hole 22, be provided with compression spring 5 between described first ball 4 and the cipher ring 2, described first ball 4 relies on the external surface of described lock body 1; The external surface of described lock body 1 is provided with some along described lock body 1 axially extended counting groove 14, the external surface of described lock body 1 is provided with one and is used to limit described cipher ring 2 counter-rotational stop-return slots 15, and described stop-return slot 15 is between two adjacent counting grooves 14; Be positioned at described two adjacent cipher ring 2 intersections on the described lock body 1 and be provided with the hole 16 that holds second ball 6,6 constraints of described second ball are installed in the described hole 16 and stretch out described lock body 1 and rely on the described dead bolt 3; Described dead bolt 3 is provided with the cannelure 31 that is complementary with described second ball 6; The intersection of described adjacent two cipher rings 2 is provided with the depression 21 of described second ball 6 of constraint.
Be provided with between described lock body 1 and the dead bolt 3 and be used to limit the stopping element that described dead bolt 3 rotates.Described stopping element comprises fin 7, described fin 7 be arranged in the described lockhole 13 and be positioned at described lockhole 13 axially on; The end of described dead bolt 3 is provided with and described fin 7 corresponding locking grooves 32, and concrete, the size of locking groove 32 and position are all suitable with the size and the position of fin 7.From this design, stopping element also can be the alignment pin that is arranged between lock body 1 and the dead bolt 3, during locking, alignment pin is inserted in the pin-and-hole between lock body 1 and the dead bolt 3, when needing to open, earlier according to password rotational password ring 2, again alignment pin is extracted out, just can be opened coded lock.
The external surface of described cipher ring 2 is provided with groove or the decorative pattern that is used for conveniently holding, and when opening coded lock, the operator can not be skidded with hand rotational password ring 2, is convenient to firmly.
As Fig. 2 and shown in Figure 6, the intersection of described adjacent two cipher rings 2 is provided with antitheft shallow slot 24, the degree of depth of described antitheft shallow slot 24 is less than the degree of depth of described depression 21, make second ball 6 when turning to antitheft shallow slot 24, also can produce the feel that pops up, but can not deviate from the cannelure 31 on the dead bolt 3 fully, so dead bolt 3 still can't be deviate from, have only and by password second ball 6 is turned to depression and can open coded lock during 21 positions, the quantity of antitheft shallow slot 24 and distribution can be provided with at random according to the coded lock producer, the design of antitheft shallow slot 24, obscure the thinking of stealer to a great extent, further improved the safe antitheft performance of coded lock.
As shown in Figure 4 and Figure 5, described lock body 1 comprises sleeve 12, described counting groove 14 and stop-return slot 15 are located at the external surface of described sleeve 12, and the two ends of described sleeve 12 are provided with closure plate 11, and described cipher ring 2 is arranged between described two closure plates 11, during making, at first with a closure plate 11 and sleeve 12 welding, then second ball 6 and cipher ring 2 are assembled on the sleeve 12, the other end that another piece closure plate 11 is welded in sleeve 12 gets final product again, this lock body 1 is connected firmly, and theftproof performance is good.
Being shaped as near an end of joint ring of described hole 16 is big, and be little near an end of dead bolt 3, and more specifically, the size of described hole 16 close dead bolt 3 one ends is less than the diameter of described second ball 6, and when opening coded lock, second ball 6 can not come off from hole 16.
As shown in Figure 6, for easy to make, described cipher ring 2 is provided with a through hole 23, as fabrication hole, described through hole 23 is relative with blind hole 22 positions and be positioned on the same center line, after coded lock assembles, can fill some fillers or a steel ball in the through hole 23, can either prevent that dust from falling into, elegant in appearance again.
As Fig. 1 and shown in Figure 7, be example with the coded lock that is provided with three cipher rings 2, just this coded lock has two second balls 6, have two cannelures 31 on the dead bolt 3, the quantity of the counting groove 14 on the sleeve 12 can be set arbitrarily, is good, easy to process with design even number bar usually.
During making, password value can be determined with the relation of stop-return slot 15 according to the 21 pairing counting grooves 14 of the depression on hole 16 and the cipher ring 2, remember this numerical value, it is the password of opening coded lock, this password is made of three groups of numerals, wherein every group the numeral pairing password value be the counting groove 14 quantity be maximum value, pass through permutation and combination, can obtain very multiple cipher, thus each coded lock can set different passwords as required.
During locking, dead bolt 3 is inserted in the lockhole 13, fin 7 just matches with locking groove 32 on the dead bolt 3, then cipher ring 2 positions are changed, make the depression 21 on any one cipher ring 2 stagger with hole 16 positions on the sleeve 12, second ball 6 just is pressed in the hole 16, and stretches in the cannelure 31 on the dead bolt 3, and coded lock just is in lockup state.
During unlatching, when at first each cipher ring 2, the first ball 4 of backward rotation turn to stop-return slot 15 positions, it is motionless that cipher ring 2 just changes, be " 0 " position of so-called cipher ring 2 at this moment, according to the password that coded lock manufacturer provides, difference rotational password ring 2, in rotating process, first ball 4 each with the contacting of counting groove 15, can produce a sound, when three groups of passwords all correctly the time, dead bolt 3 just can break away from lock body 1, thereby carries out picking and placeing of automobile spare tire.
Compression spring 5 can influence its operate as normal because of corrosion usually as the consumable accessory in the coded lock, in the present embodiment, can adopt the compression spring 5 of stainless steel, to overcome above-mentioned defective.
The utility model is not limited to above-mentioned concrete embodiment, and those of ordinary skill in the art is from above-mentioned design, and without performing creative labour, all conversion of having done all drop within the protection domain of the present utility model.
Claims (9)
1. coded lock comprises lock body, is arranged with at least two cipher rings that are arranged in together on the described lock body, and described cipher ring rotates and is installed on the described lock body, and described lock body is provided with lockhole, is slidingly fitted with dead bolt in the described lockhole, it is characterized in that:
Described cipher ring is provided with a blind hole, is provided with first ball in the described blind hole, is provided with the compression spring between described first ball and the cipher ring, and described first ball relies on the external surface of described lock body;
The external surface of described lock body is provided with some along the axially extended counting groove of described lock body, and the external surface of described lock body is provided with one and is used to limit the counter-rotational stop-return slot of described cipher ring, and described stop-return slot is between two adjacent counting grooves;
Be positioned at described two adjacent cipher ring intersections on the described lock body and be provided with the hole that holds second ball, described second ball constraint is installed in the described hole and stretches out described lock body and relies on the described dead bolt; Described dead bolt is provided with the cannelure that is complementary with described second ball; The intersection of described adjacent two cipher rings is provided with the depression of described second ball of constraint.
2. coded lock as claimed in claim 1 is characterized in that: described lock body comprises sleeve, and described counting groove and stop-return slot are located at the external surface of described sleeve, and the two ends of described sleeve are provided with closure plate, and described cipher ring is arranged between described two closure plates.
3. coded lock as claimed in claim 1 is characterized in that: being shaped as near an end of joint ring of described hole is big, and be little near an end of dead bolt.
4. coded lock as claimed in claim 3 is characterized in that: the size of close dead bolt one end of described hole is less than the diameter of described second ball.
5. coded lock as claimed in claim 1 is characterized in that: be provided with the stopping element that is used to limit described dead bolt rotation between described lock body and the dead bolt.
6. coded lock as claimed in claim 5 is characterized in that: described stopping element comprises fin, described fin be arranged in the described lockhole and be positioned at described lockhole axially on; The end of described dead bolt is provided with and the corresponding locking groove of described fin.
7. coded lock as claimed in claim 1 is characterized in that: described cipher ring is provided with a through hole, and described through hole is relative with the blind hole position and be positioned on the same center line.
8. as the described coded lock of the described arbitrary claim of claim 1 to 7, it is characterized in that: the external surface of described cipher ring is provided with groove or the decorative pattern that is used for conveniently holding.
9. coded lock as claimed in claim 8 is characterized in that: the intersection of described adjacent two cipher rings is provided with antitheft shallow slot, and the degree of depth of described antitheft shallow slot is less than the degree of depth of described depression.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201221107U CN202000765U (en) | 2011-04-22 | 2011-04-22 | Combination lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201221107U CN202000765U (en) | 2011-04-22 | 2011-04-22 | Combination lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202000765U true CN202000765U (en) | 2011-10-05 |
Family
ID=44703510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201221107U Expired - Lifetime CN202000765U (en) | 2011-04-22 | 2011-04-22 | Combination lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202000765U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102146751A (en) * | 2011-04-22 | 2011-08-10 | 刘强 | Coded lock |
| CN107284064A (en) * | 2017-07-28 | 2017-10-24 | 宁波喜悦包装科技股份有限公司 | A kind of gold stamping mould of sequence number on gilding press |
-
2011
- 2011-04-22 CN CN2011201221107U patent/CN202000765U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102146751A (en) * | 2011-04-22 | 2011-08-10 | 刘强 | Coded lock |
| CN102146751B (en) * | 2011-04-22 | 2012-09-05 | 刘强 | Coded lock |
| CN107284064A (en) * | 2017-07-28 | 2017-10-24 | 宁波喜悦包装科技股份有限公司 | A kind of gold stamping mould of sequence number on gilding press |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20111005 Effective date of abandoning: 20120905 |