CN102146751B

CN102146751B - Coded lock

Info

Publication number: CN102146751B
Application number: CN201110109274A
Authority: CN
Inventors: 刘强
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-04-22
Filing date: 2011-04-22
Publication date: 2012-09-05
Anticipated expiration: 2031-04-22
Also published as: CN102146751A

Abstract

The invention discloses a coded lock which comprises a lock body, coded rings and a locking dog, wherein a first ball is arranged between the coded rings and the lock body; the outer surface of the lock body is provided with a counting groove; the outer surface of the lock body is also provided with a non-return groove for limiting the backward rotation of the coded rings; a hole for containing a second ball is arranged on the lock body and at the junction of the two adjacent coded rings; the second ball is restrained and arranged in the hole and extends out of the lock body to butt against the locking dog; the locking dog is provided with a ring groove matched with the second ball; and a depression for restraining the second ball is arranged at the junction of the two adjacent coded rings. The coded lock has a simple structure and reliable performance, can be conveniently unlocked under poor light, and can be widely applied to the daily life.

Description

Coded lock

Technical field

The present invention relates to the coded lock technology field, relate 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 in order to guard against theft, 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 after corrosion or in the keyhole, fall into dust, just can't open, a lot of drivers so and worried.

No matter automobile when needing to change spare tyre, is mechanical code lock or electronic password lock sometimes at night running; All need 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 when well lighted, could open smoothly; When light difference, just waste time and energy, this also is a lot of drivers' of puzzlement a a great problem.

Summary of the invention

Technical problem to be solved by this invention 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, technical scheme of the present invention is: coded lock comprises lock body; Be arranged with at least two cipher rings that are arranged in together on the said lock body, said cipher ring rotates and is installed on the said lock body, and said lock body is provided with lockhole; Be slidingly fitted with dead bolt in the said lockhole, said cipher ring is provided with a blind hole, is provided with first ball in the said blind hole; Be provided with the compression spring between said first ball and the cipher ring, said first ball relies on the external surface of said lock body; The external surface of said lock body is provided with the axially extended counting groove of the said lock body in some edges, and the external surface of said lock body is provided with one and is used to limit the counter-rotational stop-return slot of said cipher ring, and said stop-return slot is between two adjacent counting grooves; Be positioned at said two adjacent cipher ring intersections on the said lock body and be provided with the hole that holds second ball, said second ball constraint is installed in the described hole and stretches out said lock body and relies on the said dead bolt; Said dead bolt is provided with the cannelure that is complementary with said second ball; The intersection of described adjacent two cipher rings is provided with the depression of said second ball of constraint.

As a kind of improvement, said lock body comprises sleeve, and said counting groove and stop-return slot are located at the external surface of said sleeve, and the two ends of said sleeve are provided with closure plate, and said 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, described hole is near the size of the dead bolt one end diameter less than said second ball.

As further improvement, be provided with the stopping element that is used to limit said dead bolt rotation between said lock body and the dead bolt.

As further improvement, said stopping element comprises fin, said fin be arranged in the said lockhole and be positioned at said lockhole axially on; The end of said dead bolt is provided with and the corresponding locking groove of said fin.

As further improvement, said cipher ring is provided with a through hole, and said through hole and blind hole position are relatively and be positioned on the same center line.

As further improvement, the external surface of said 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 the antitheft shallow slot, and the degree of depth of said antitheft shallow slot is less than the degree of depth of said depression.

Owing to adopted technique scheme; The invention has the beneficial effects as follows: be provided with the hole that holds second ball owing to be positioned at said two adjacent cipher ring intersections on the lock body; Dead bolt is provided with the cannelure that is complementary with second ball, and the intersection of adjacent two cipher rings is provided with the depression of constraint second ball, makes 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 in hole, relies in the cannelure of dead bolt always, makes 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, and first ball relies on the external surface of lock body, makes the ball of winning have tally function; When each cipher ring backward rotation; When first ball turned to the stop-return slot position, it is motionless that cipher ring just changes, and is " 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, when opening once more, as long as remember password, just can easily open for a long time;

(3). good anti-theft effect, present automobile spare tire is often stolen, and 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, and what the present invention was exposed is the cipher ring part, and vice jaw folder is not come; Can't adopt vice to destroy coded lock; Again because cipher ring partly be a sandwich construction, three layers of total cipher ring, lock body and dead bolts are when the use 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; Therefore after counting to password value, 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.

Since cipher ring be provided with one with the blind hole position relatively and be positioned at the through hole on the same center line; It is convenient to make blind hole on the cipher ring process, and this through hole can be used as a fabrication hole, bore good after; 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 the antitheft shallow slot; The degree of depth of antitheft shallow slot makes second ball when turning to the antitheft shallow slot less than the degree of depth of depression, 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, the design of antitheft shallow slot through password; 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 accompanying drawing and embodiment the present invention is further specified.

Fig. 1 is the structural representation of the embodiment of the invention;

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 embodiment of the invention opening figure;

Among the figure: 1, lock body, 11, closure plate, 12, sleeve, 13, lockhole, 14, the counting groove; 15, stop-return slot, 16, hole, 2, cipher ring, 21, depression, 22, blind hole; 23, through hole, 24, the antitheft shallow slot, 3, dead bolt, 31, cannelure, 32, locking groove; 4, first ball, 5, the compression spring, 6, second ball, 7, fin.

The specific embodiment

Like Fig. 1, Fig. 2 and shown in Figure 3, a kind of coded lock comprises lock body 1; Be arranged with at least two cipher rings 2 that are arranged in together on the said lock body 1; Said cipher ring 2 rotates and is installed on the said lock body 1, and said lock body 1 is provided with lockhole 13, is slidingly fitted with dead bolt 3 in the said lockhole 13; Said cipher ring 2 is provided with a blind hole 22; Be provided with first ball 4 in the said blind hole 22, be provided with compression spring 5 between said first ball 4 and the cipher ring 2, said first ball 4 relies on the external surface of said lock body 1; The external surface of said lock body 1 is provided with the said lock body 1 axially extended counting groove 14 in some edges; The external surface of said lock body 1 is provided with one and is used to limit said cipher ring 2 counter-rotational stop-return slots 15, and said stop-return slot 15 is between two adjacent counting grooves 14; Be positioned at said two adjacent cipher ring 2 intersections on the said lock body 1 and be provided with the hole 16 that holds

second ball

6,6 constraints of said second ball are installed in the described hole 16 and stretch out said lock body 1 and rely on the said dead bolt 3; Said dead bolt 3 is provided with the cannelure 31 that is complementary with said second ball 6; The intersection of described adjacent two cipher rings 2 is provided with the depression 21 of said second ball 6 of constraint.

Be provided with between said lock body 1 and the dead bolt 3 and be used to limit the stopping element that said dead bolt 3 rotates.Said stopping element comprises fin 7, said fin 7 be arranged in the said lockhole 13 and be positioned at said lockhole 13 axially on; The end of said dead bolt 3 is provided with and said 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 said 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.

Like Fig. 2 and shown in Figure 6; The intersection of described adjacent two cipher rings 2 is provided with antitheft shallow slot 24, and the degree of depth of said antitheft shallow slot 24 makes second ball 6 when turning to antitheft shallow slot 24 less than the degree of depth of said depression 21; Also can produce the feel that pops up; But can not deviate from the cannelure 31 on the dead bolt 3 fully,, have only through password second ball 6 to be turned to depression and can open coded lock during 21 positions so dead bolt 3 still can't be deviate from; The quantity of antitheft shallow slot 24 can be provided with according to the coded lock producer with distributing at random; The thinking of stealer has been obscured in the design of antitheft shallow slot 24 to a great extent, has further improved the safe antitheft performance of coded lock.

Like Fig. 4 and shown in Figure 5, said lock body 1 comprises sleeve 12, and said counting groove 14 and stop-return slot 15 are located at the external surface of said sleeve 12; The two ends of said sleeve 12 are provided with closure plate 11, and said 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 is assembled on the sleeve 12 with cipher ring 2, the other end that again another piece closure plate 11 is welded in sleeve 12 gets final product; 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, described hole 16 is near the size of the dead bolt 3 one ends diameter less than said 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, said cipher ring 2 is provided with a through hole 23; As fabrication hole; Some fillers or a steel ball relatively and be positioned on the same center line after coded lock assembles, can be filled in said through hole 23 and blind hole 22 positions in the through hole 23; Can either prevent that dust from falling into, elegant in appearance again.

Like 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 confirmed with the relation of stop-return slot 15 according to hole 16 and the depression 21 pairing counting grooves 14 on the cipher ring 2, remember this numerical value; It is the password of opening coded lock; This password is made up of three groups of numerals, wherein every group the numeral pairing password value be the counting groove 14 quantity be maximum value, through permutation and combination; Can obtain very multiple cipher, thus each coded lock can set different ciphers as required.

During locking; Dead bolt 3 is inserted in the lockholes 13, fin 7 just with dead bolt 3 on locking groove 32 match, then cipher ring 2 positions are changed; Make the depression 21 on any 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 turned 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 count contacting of groove 15, can produce a sound; When three groups of passwords were all correct, 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 present invention 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 protection scope of the present invention.

Claims

1. coded lock comprises lock body, is arranged with at least two cipher rings that are arranged in together on the said lock body, and said cipher ring rotates and is installed on the said lock body, and said lock body is provided with lockhole, is slidingly fitted with dead bolt in the said lockhole, it is characterized in that:

Said cipher ring is provided with a blind hole, is provided with first ball in the said blind hole, is provided with the compression spring between said first ball and the cipher ring, and said first ball relies on the external surface of said lock body;

The external surface of said lock body is provided with the axially extended counting groove of the said lock body in some edges, and the external surface of said lock body is provided with one and is used to limit the counter-rotational stop-return slot of said cipher ring, and said stop-return slot is between two adjacent counting grooves;

Be positioned at two adjacent said cipher ring intersections on the said lock body and be provided with the hole that holds second ball, said second ball constraint is installed in the described hole and stretches out said lock body and relies on the said dead bolt; Said dead bolt is provided with the cannelure that is complementary with said second ball; The intersection of adjacent two said cipher rings is provided with the depression of said second ball of constraint.

2. coded lock as claimed in claim 1 is characterized in that: said lock body comprises sleeve, and said counting groove and stop-return slot are located at the external surface of said sleeve, and the two ends of said sleeve are provided with closure plate, and said 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: described hole is near the size of the dead bolt one end diameter less than said 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 said dead bolt rotation between said lock body and the dead bolt.

6. coded lock as claimed in claim 5 is characterized in that: said stopping element comprises fin, said fin be arranged in the said lockhole and be positioned at said lockhole axially on; The end of said dead bolt is provided with and the corresponding locking groove of said fin.

7. coded lock as claimed in claim 1 is characterized in that: said cipher ring is provided with a through hole, and said through hole and blind hole position are relatively and be positioned on the same center line.

8. like the described coded lock of the described arbitrary claim of claim 1 to 7, it is characterized in that: the external surface of said 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 adjacent two said cipher rings is provided with the antitheft shallow slot, and the degree of depth of said antitheft shallow slot is less than the degree of depth of said depression.