CN112627641A

CN112627641A - Cheap, light and safe puzzle lock

Info

Publication number: CN112627641A
Application number: CN202011643455.7A
Authority: CN
Inventors: 陆境燃
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-04-09
Anticipated expiration: 2040-12-31
Also published as: CN112627641B

Abstract

The invention discloses a cheap, light and safe coded lock, which comprises a lock head and a key and is characterized in that: the lock shell is internally provided with a hook, a hook clamping angle, a hook movable column, a spring, a clamping tooth block clamping angle, a clamping tooth block inclined plane, a lock cylinder pressing rod, an unlocking alignment column, a mesh plane plate and the like, a lock password small ring, a middle ring and a large ring are arranged on the edge of a key hole, and all form a rotating ring in the lock shell to rotate, the lock password rotating ring is internally provided with a lock password ring inclined plane, a key cylinder handle is inserted into the edge and is provided with key positioning convex points to be correspondingly inserted into a lock positioning groove, the key password large ring, the middle ring and the small ring can rotate on the key rotating shaft core column, the key password rotating ring is provided with an inosculating key password ring inclined plane and an inosculating. The lock is a lock which is cheap and light, is made of plastic and a spring, has a unique key and a relative password, enhances the safety and has a wide application range.

Description

Cheap, light and safe puzzle lock

Technical Field

The invention relates to a lockset, in particular to a lockset which has a key and contains an encryption code to enhance safety.

Background

Locks have been used for years and for many years, which is to cover the ears and eyes? Is afraid of being involved in the hand? All have a bar! Although the civilization degree of people is high (people cannot steal things everywhere), a plurality of advanced safety locks are provided, such as safe cases, electronic fingerprint or face authentication coded locks and the like, but are widely used, the locks are arranged on doors, luggage cases, garderobes in dormitories, wardrobe in electronic factories or desks of students, so that the subsequent simple locks generally have about ten money and mainly comprise lock heads and keys (the easy abrasion is caused by metal), as the length and tooth shape of common keys are limited, manufacturers inevitably produce locks with similar keys and can unlock the same locks, and the coded locks also have the coded locks, once the codes are revealed, the wardrobe in the electronic factories all use the coded locks, and as the coded locks cannot be provided with the metal keys when security inspection is carried out, and when the coded locks are locked, the password is easy to guess one or two of the approximate numbers of the correct password by a common person after being dialed, and then the password is easy to crack by switching to other passwords.

Disclosure of Invention

Aiming at the general defects of the background technology, the cheap and light lockset is better in general, the invention has the advantages that the cheaper, lower-cost and light lockset is made aiming at the problem, the lockset contains a key and also has the function of setting the password to enhance the safety, the lockset can be made of metal or part of metal and plastic, or only consists of high-strength plastic and a spring (the lockset has no abrasion and blockage when being unlocked, and can be made of plastic), so the cost is the lowest on the current lockset, namely the lowest price, the key is also made of plastic, the safety inspection can be carried in an electronic factory, and the application range is wide.

The invention is characterized in that: the lock head shell is an integral body which is made according with the internal structure and is provided with a hook buckle lock, a hook clamping corner and a connected hook movable column are arranged at a left locking hole and a right locking hole of the hook, the hook movable column is clamped in the lock head shell to form an up-and-down movable space, the bottom of the hook movable column is elastically pressed by a spring to elastically press the hook up and down, a clamping tooth block clamping corner is correspondingly arranged at the hook clamping corner, the clamping tooth block clamping corner is provided with a left-and-right movable space formed in the lock head shell, the spring is elastically pressed between the left clamping tooth block clamping corner and the right clamping tooth block clamping corner, so when the hook is pressed downwards, the clamping tooth block clamping corner locks the hook clamping corner, the lower end connected with the left-and-right clamping tooth block clamping corner is provided with a clamping tooth block inclined plane, a pressing rod inclined plane is pressed on the clamping tooth block inclined plane, the lower end of the pressing rod is connected with a lock core pressing rod, the up-and down movable, the lock has meshed planar board corresponding to the unlocking aligning column, key hole below the meshed planar board, small lock cipher ring, middle lock cipher ring and large lock cipher ring inside the lock casing to form rotating ring and positioning, cipher mark number outside the rotating ring, inclined lock cipher ring inside the rotating ring, and lock positioning notch in the bottom hole edge.

The key has a key cylinder handle, the cylinder handle is inserted into the edge and has key positioning salient point and lock positioning groove, the side close to the cylinder handle is inserted into is a large cylinder, the large cylinder is provided with a key code large ring which can rotate on the key rotating shaft core column, the middle cylinder is provided with a key code middle ring which can rotate on the key rotating shaft core column, the small cylinder is provided with a key code small ring which can rotate on the key rotating shaft core column, wherein the key code large ring, the key code middle ring and the key code small ring are provided with a code mark number, an identical key code ring inclined plane and an unmatched key code ring inclined plane, the bottom of the key is provided with a key bottom plane, and the key bottom plane is provided with a key unlocking press-in column. When the key is inserted into the lock, the key cannot be inserted into the lock because the lock password ring inclined planes of the lock password large ring, the lock password middle ring and the lock password small ring are not completely matched with the key password ring inclined planes matched with the key password large ring, the key password middle ring and the key password small ring when the passwords are not matched.

When the key is inserted in an inosculating way, the matched key code ring inclined plane of the large key code ring, the middle key code ring and the small key code ring can be checked to rotate the lock code ring inclined plane corresponding to the set mark number under the condition that the mark numbers of the large lock code ring, the middle lock code ring and the small lock code ring are set to rotate correctly. When the password needs to be changed, the corresponding password can be matched with the large key password ring, the middle key password ring, the small key password ring, the large lock password ring, the middle lock password ring and the small lock password ring to change the password by rotating correspondingly only after the key password ring is matched with the inclined plane of the key password ring. When a key is matched with and inserted into a lock head, the key is slightly pushed upwards with force, the left key unlocking pressing column and the right key unlocking pressing column on the plane of the bottom of the key are pressed into the mesh plane plate, the unlocking pressing columns and the unlocking alignment columns are pressed oppositely to the lock cylinder pressing rod and the pressing rod inclined plane, the pressing rod inclined plane is pressed on the latch block inclined plane, the latch block clamping angles on the left side and the right side are pressed inwards due to the elasticity of the spring until no latch block clamping angle is clamped, and a hook connected with the latch block clamping angle is opened by spring pressing.

Drawings

Fig. 1 is a schematic view of the whole appearance structure of a lock head with a key inserted.

Fig. 2 is a schematic view of the structure of the bottom surface insertion hole of the lock.

Fig. 3 is a schematic structural view of the key side inclined plane.

Fig. 4 is a schematic view of the bottom of the key.

Fig. 5 is a view showing a state that the key rotating ring is inserted into the lock rotating ring in a matching manner.

FIG. 6 is a view showing the insertion state of the key rotating ring and the lock rotating ring which are not matched.

Fig. 7 is a schematic view of the structure of the key rotating ring and the lock rotating ring matching with each other.

Fig. 8 is a schematic structural distribution diagram of the internal part of the lock head to be unlocked when the key is inserted into the lock head in a matching way.

Fig. 9 is a schematic view showing the structural distribution of the internal part of the key after the lock head is forcibly opened when the key is inserted into the lock head in a matching manner.

Fig. 10 is a schematic view of the whole internal structure of the key inserted into the lock head.

Fig. 11 is a schematic view of the whole internal structure of the key after the lock head is forcibly opened when the key is inserted into the lock head.

Detailed Description

The present invention is further described with reference to the accompanying drawings, 1-11, which illustrate only some embodiments of the invention and are therefore considered to be within the scope of the appended claims by virtue of various changes, equivalents and modifications as will occur to those skilled in the art.

The lock comprises a lock head and a key, wherein the lock head is provided with a corresponding or unique key, a relative password can be arranged on the key part and the lock head, the password setting is necessary to be an acquaintance of the key, the password can be set by knowing relevant characteristics and key positions, the safety is improved compared with the common key, the password cannot be unlocked (even the lock is damaged) by forgetting the password like a common password lock, the password can be modified by the technical characteristics of the specification, the right of an original person holding the lock is ensured, meanwhile, the lock is an intelligence tool, the hand strength can be exercised by rotating at ordinary times or the memory force of the matched passwords can be enhanced, the lock is sold at a plurality of money, the cost is low, the batch manufacturing is easy, and the price is lower than that of the common lock.

The lock shell 1 is an integral body which is made according with the internal structure and is provided with a hook G buckle lock, a hook hole is the same as that of a common lock (no more explanation is needed), the hook G is made of metal in a semicircular arc and a plurality of parts, the lock can also be made of high-strength high-toughness plastic (the strength is difficult to be damaged by hand force of people), the following parts can also be made of plastic, hook clamping angles 12 and connected hook movable columns 13 are arranged at the left and right lock holes of the hook G, the hook movable columns 13 are clamped and positioned in the lock shell 1 to form an up-and-down movable space, a large spring W is arranged at the bottom of the hook movable columns 13 to be pressed, the hook G is pressed up and down, the hook clamping angles 12 are correspondingly provided with clamping tooth block clamping angles 11, the clamping tooth block clamping angles 11 form a left-and-right movable space in the lock shell 1, a small spring W1 is arranged between the left and right clamping tooth block clamping angles 11 to be pressed, so when the, the latch hook corner 12 and the hook G are locked by the latch block corner 11, the lower end connected with the left latch block corner 11 and the right latch block corner 11 is provided with a latch block inclined plane 10, the opposite pressing on the latch block inclined plane 10 is a pressing rod inclined plane 9, the lower end of the pressing rod inclined plane 9 is connected with a lock cylinder pressing rod 8, the lock cylinder pressing rod 8 is provided with a vertical moving space formed in the lock head shell 1, the lower end of the lock cylinder pressing rod 8 is connected with an unlocking alignment column 7, a meshed plane plate Q corresponding to the unlocking alignment column 7 is provided, a key hole is arranged below the meshed plane plate Q, a lock head password small ring 2, a lock head password middle ring 3 and a lock head password large ring 4 are arranged on the edge of the key hole, a rotating ring rotating and forming positioning (the matched rotating ring can contain plastic elastic micro concave-convex points and is arranged in the rotating positioning), the password mark number is arranged outside the lock head password rotating ring, a lock head password ring inclined plane 5 is arranged in the password rotating, the edge of the hole at the bottom of the lock is provided with a lock positioning groove F.

The key is provided with a key cylindrical handle U, a key positioning convex point F1 is arranged on the inserting edge of the cylindrical handle U and correspondingly inserted into a lock positioning groove F (the key positioning convex point F1 fixed on the edge of the cylindrical handle U and the lock positioning groove F do not rotate along with a lock password ring and a key password ring), a large cylinder H is arranged close to the inserting edge of the cylindrical handle U, a key password large ring 4A is arranged on the large cylinder H and can rotate on a key rotating shaft core column C, a key password middle ring 3A is arranged on the middle cylinder H and can rotate on the key rotating shaft core column C, a key password small ring 2A is arranged on the small cylinder H and can rotate on the key rotating shaft core column C, wherein the key password large ring 4A, the key password middle ring 3A and the key password small ring 2A are respectively provided with a password mark number, an inosculating inclined plane 5A and a non-inosculating inclined plane 5B, a key bottom plane T is, the key bottom plane T is provided with a key unlocking press-in column L.

When the key is inserted into the lock, the key cannot be inserted into the lock because the codes are not matched completely and matched with the lock code ring inclined plane 5A of the lock code large ring 4, the lock code middle ring 3 and the lock code small ring 2 and the key code ring inclined plane 5A matched with the key code large ring 4A, the key code middle ring 3A and the key code small ring 2A. Fig. 5, fig. 6 and fig. 7 show the structural relationship between the large lock code ring 4 and the large key code ring 4A (meanwhile, the structural relationship between the middle lock code ring and the small lock code ring is the same as that between the middle key code ring and the small key code ring, so that the structural relationship is not shown in more figures). When the key needs to be inserted in an inosculating way, the large key code ring 4A, the middle key code ring 3A and the small key code ring 2A can be checked under the condition that the marked numbers of the large key code ring 4, the middle key code ring 3 and the small key code ring 2 are set to rotate correctly, and the inclined plane 5A of the lock code ring corresponding to the set marked numbers is rotated (namely, the large key code ring is inserted into the large lock code ring, the middle key code ring is inserted into the middle lock code ring and the small key code ring is inserted into the small lock code ring). When the password is changed, because the key has the unmatched inclined plane 5B (false alignment surface), other people can not know which surface is the matched inclined plane 5A when taking the key, and only after knowing that the key is matched with the inclined plane 5A can the corresponding password be matched and set for the large key password ring 4A, the middle key password ring 3A, the small key password ring 2A, the large lock password ring 4, the middle lock password ring 3 and the small lock password ring 2 to correspondingly rotate to change the password.

When a key is matched with and inserted into a lock head, the key is slightly pushed upwards with force, two key unlocking pressing columns L on the left and right of a key bottom plane T are pressed into a mesh plane plate Q, the unlocking pressing columns L are pressed against an unlocking alignment column 7 to relatively press a lock cylinder pressing rod 8 and a pressing rod inclined plane 9, the pressing rod inclined plane 9 is pressed on a latch block inclined plane 10, at the moment, latch block clamping corners 11 on the left and right sides are pressed inwards due to the elasticity of a small spring W1 until the latch block clamping corners 11 are not clamped, and a hook G connected with the hook clamping corners 12 is pressed and opened.

X0, X1, X2, X3, X4, X5, X6, X7, X8 and X9 are marked on the peripheries of the lock code large ring 4, the lock code middle ring 3 and the lock code small ring 2, Y0, Y1, Y2, Y3, Y4, Y5, Y6, Y7, Y8 and Y9 are marked on the peripheries of the key code large ring 4A, the key code middle ring 3A and the key code small ring 2A, or the marked numbers are 1 to 6 simple points with each other. Turning of the parts X1X2 and Y1Y2 to correspond to the insertion fit is seen with reference to FIG. 5, and FIG. 6 shows the insertion condition in which the bevel after turning of the lock combination ring X0X1X2 does not match the bevel of the fit of the non-turned key combination ring Y1Y2, illustrating the overall labeling and turning conditions. A key axis column C is arranged in a key code large ring 4A, a key code middle ring 3A and a key code small ring 2A in the key and can rotate, the key axis column C and the key code ring are mutually formed, matched and fixed, and can contain plastic elastic micro concave-convex points which are arranged in the key axis column C and used for forming positioning when the key is rotated forcibly, as shown in figure 4, the key axis column C is clearly seen, and is also marked in figure 5 and figure 6. The key code ring grooves 6A with different rules can be made on the key code ring between different properties or uniqueness of the key and the lock head and correspond to the lock head code ring convex grooves 6 (as shown in figure 7), because the key code ring grooves 6A with three rings and more areas are similar to each other and can be smaller (namely, similar keys can be fewer in a large batch), the key and the lock head can not be inserted and unlocked without corresponding to each other.

The mesh plane plate Q is fixedly arranged in the lock head shell 1 and contains a plurality of holes, the mesh plane plate Q with the plurality of holes is arranged for overcoming the confusion difficulty set by a professional unlocking person or a stealer, so that the professional unlocking person or the stealer does not know which two holes are correct insertion holes, the safety of the lock is improved, wherein only two holes are provided for the key-operated lock-in post L, the diameter of the lock-operated lock-in post L can be made to be about 1 mm, if made of metal, about 0.3 mm, it is difficult for a thief to open the two press-in posts L with a diameter of a few tenths of a millimeter (because two points that are small are vertically aligned and the opening with an auxiliary tool is hard to be performed), the diameter that certainly can also do is bigger, and the press-in post L that unlocks can also be made various different shapes such as right-angle shape and insert corresponding mesh plane board Q, has increased the opening degree of difficulty that the thief has corresponding instrument. When the lockset leaves a factory, the specification explains that one of two inclined planes of the large identification key code ring 4A, the middle key code ring 3A and the small key code ring 2A is an inclined plane 5A of an identical key code ring, the other side is an inclined plane 5B of a non-identical key code ring, and the corresponding inclined plane 5 of the lock head code ring marks a number description, when the inclined planes of the code ring 5B are not identical, the lock head cannot be inserted and sleeved together when the inclined planes are not identical, the increase of the inclined plane 5B of the non-identical code ring only confuses the cracking plane of the code which is unknown when the lock head is opened by a person who is not in the same situation, the inclined plane 5B of the non-identical key code ring can also be made into two inclined planes or three inclined planes, and the confusing plane increases.

When a key is not correctly inserted into the key cylinder pressing rod 8, the latch block inclined plane 10 is pressed leftwards and rightwards by the pressure of the small spring W1, the key cylinder pressing rod 8 and the unlocking alignment column 7 connected by the pressing rod inclined plane 9 are pressed towards the lock hole part, and the key unlocking pressing rod L is aligned and unlocked. Therefore, even if the lock head is locked by turning the lock head, the user can put the key on the table by slightly turning the key code ring, and the user can not know that the lock head code and the key code correspond to each other when the user takes the key to unlock the lock head code.

Claims

1. A cheap, light and safe coded lock additionally comprises a lock head and a key:

the tapered end is characterized in that: the lock shell (1) is a whole body which is made according with the internal structure and is provided with a hook (G) buckle lock, a hook clamping angle (12) and a connected hook movable column (13) are arranged in the left and right lock holes of the hook (G), the hook movable column (13) is clamped and positioned in the lock shell (1) to form an upper and lower movable space, the bottom of the hook movable column (13) is provided with a large spring (W) for pressing, the hook (G) is pressed up and down, the hook clamping angle (12) is correspondingly provided with a clamping tooth block clamping angle (11), the clamping tooth block clamping angle (11) is provided with a left and right movable space formed in the lock shell (1), a small spring (W1) is arranged between the left and right clamping tooth block clamping angles (11) for pressing, when the hook (G) is pressed up, the clamping tooth block clamping angle (11) locks the hook clamping angle (12), the lower end connected with the left and right clamping tooth block clamping angles (11) is provided with a clamping tooth block inclined plane (10), and a pressing rod inclined plane (9) pressing the clamping tooth block inclined plane (, the lower end of a pressing rod inclined plane (9) is connected with a lock cylinder pressing rod (8), the lock cylinder pressing rod (8) is provided with an up-and-down moving space formed in a lock cylinder shell (1), the lower end of the lock cylinder pressing rod (8) is connected with an unlocking alignment column (7), a meshed plane plate (Q) corresponding to the unlocking alignment column (7) is provided, a key hole is arranged below the meshed plane plate (Q), a lock password small ring (2), a lock password middle ring (3) and a lock password large ring (4) are arranged on the edge of the key hole, a rotating ring is formed in the lock cylinder shell (1) and rotates to form positioning, password mark numbers are arranged outside the lock password rotating ring, a lock password ring inclined plane (5) is arranged in the lock password rotating ring, and a lock positioning groove (F) is arranged on the edge of a lock cylinder bottom hole;

the key is characterized in that: the key is provided with a key cylinder handle (U), a key positioning convex point (F1) is arranged on the inserting edge of the cylinder handle (U) and is correspondingly inserted into a lock positioning groove (F), a large cylinder (H) is arranged on the inserting edge close to the cylinder handle (U), a key code large ring (4A) is arranged on the large cylinder (H) and can rotate on a key rotating shaft core column (C), a key code middle ring (3A) is arranged on the middle cylinder (H) and can rotate on the key rotating shaft core column (C), a key code small ring (2A) is arranged on the small cylinder (H) and can rotate on the key rotating shaft core column (C), wherein the key code large ring (4A), the key code middle ring (3A) and the key code small ring (2A) are respectively provided with a code mark number, an identical key code ring inclined plane (5A) and an identical key code ring inclined plane (5B), the bottom of the key is provided with a key bottom plane (T), and the key bottom plane (T) is provided with a key unlocking press-in column (L).

2. An inexpensive lightweight security add-on combination lock according to claim 1 wherein: when the key is inserted into the lock, the key cannot be inserted because the codes are not matched completely and are matched with the lock code ring inclined plane (5A) of the lock code large ring (4), the lock code middle ring (3) and the lock code small ring (2) which are matched with the key code ring inclined plane (5A) of the key code large ring (4A), the key code middle ring (3A) and the key code small ring (2A);

when the key is required to be inserted in an inosculating way, the inosculating key code ring inclined plane (5A) of the large key code ring (4A), the middle key code ring (3A) and the small key code ring (2A) can be checked under the condition that the mark numbers of the large lock code ring (4), the middle lock code ring (3) and the small lock code ring (2) are set to rotate correctly;

when the password needs to be changed, the corresponding password can be matched with the key password ring inclined plane (5A) only after the key password ring inclined plane (5A) is known, and the corresponding password is set for correspondingly rotating the key password large ring (4A), the key password middle ring (3A), the key password small ring (2A), the lock password large ring (4), the lock password middle ring (3) and the lock password small ring (2) to change the password;

when a key is matched with and inserted into a lock head, the key is slightly pushed upwards with force, two key unlocking pressing columns (L) on the left and right of a key bottom plane (T) press a mesh plane plate (Q), the unlocking pressing columns (L) and an unlocking alignment column (7) are pressed relatively, a lock cylinder pressing rod (8) and a pressing rod inclined plane (9) are pressed relatively, the pressing rod inclined plane (9) presses a latch block inclined plane (10), at the moment, latch block clamping corners (11) on the left and right sides are pressed inwards due to the elasticity of a small spring (W1) until no latch block clamping corner (11) is pressed, and a hook (G) connected with the hook clamping corner (12) is pressed and opened.

3. An inexpensive lightweight security add-on combination lock according to claims 1 and 2 wherein: the key code large ring (4A), the key code middle ring (3A) and the key code small ring (2A) are all internally provided with a key shaft core column (C) which can rotate, the key shaft core column (C) and the key code ring are mutually formed, matched and fixed, can contain plastic elastic micro concave-convex points and are arranged inside, and are used for forming positioning when rotating forcibly.

4. An inexpensive lightweight security add-on combination lock according to claims 1 and 2 wherein: the key code ring groove (6A) with different rules can be made on the key code ring between different properties or uniqueness of the key and the lock head and corresponds to the lock head code ring convex groove (6), so that the key and the lock head can not be inserted and unlocked without corresponding.

5. An inexpensive lightweight security add-on combination lock according to claims 1 and 2 wherein: the lock head password large ring (4), the lock head password middle ring (3) and the lock head password small ring (2) are marked with X0, X1, X2, X3, X4, X5, X6, X7, X8 and X9 on the peripheries, and the key password large ring (4A), the key password middle ring (3A) and the key password small ring (2A) are marked with Y0, Y1, Y2, Y3, Y4, Y5, Y6, Y7, Y8 and Y9 on the peripheries.

6. An inexpensive lightweight security add-on combination lock according to claims 1 and 2 wherein: the mesh plane plate (Q) is fixedly arranged in the lock head shell (1) and comprises a plurality of holes, only two holes correspond to the key unlocking press-in columns (L), the diameter of the unlocking press-in columns (L) can be about 1 mm, if the unlocking press-in columns (L) are made of metal, the unlocking press-in columns (L) can be about 0.3 mm, and the unlocking press-in columns (L) can also be right-angled and the like and can be inserted into the corresponding mesh plane plate (Q).

7. An inexpensive lightweight security add-on combination lock according to claims 1 and 2 wherein: the inclination of the tapered end code ring inclined plane (5) is different from that of the key code ring inclined plane (5B), so that the tapered end code ring inclined plane and the key code ring inclined plane can not be inserted into the key code ring inclined plane in a rotating way, and the tapered end code ring inclined plane and the key code ring inclined plane can not be matched together in a rotating way, so that the situation of confusion.

8. An inexpensive lightweight security add-on combination lock according to claims 1 and 2 wherein: when the lock leaves a factory, the specification explains that one of two inclined planes of the large key code ring (4A), the middle key code ring (3A) and the small key code ring (2A) is an inclined plane (5A) matched with the key code ring, the other side of the inclined plane is an inclined plane (5B) not matched with the key code ring, and the corresponding inclined plane (5) of the lock head code ring is marked with a number description.

9. An inexpensive lightweight security add-on combination lock according to claims 1 and 2 wherein: when a key is not correctly inserted into the lock cylinder pressing rod (8), the latch block inclined plane (10) is pressed leftwards and rightwards due to the elasticity of the small spring (W1), the lock cylinder pressing rod (8) and the unlocking alignment column (7) connected by the pressing rod inclined plane (9) are pressed towards the lock hole part, and the key is unlocked and the pressing rod (L) is aligned and opened.