Coded lock with automatic password retrieving function

Abstract

The utility model belongs to the field of coded locks, in particular to a coded lock capable of automatically retrieving a password, which comprises an upper shell and a lower shell, a cavity is arranged between the upper shell and the lower shell, an inner shell is arranged in the cavity, a password component and a lock cylinder component are arranged in the inner shell, a lock piece is arranged between the password component and the lock cylinder component, and the lock piece is connected with the upper shell and the lower shell. A plurality of supporting columns are arranged on the side, close to the password assembly, of the lock piece, and a first sliding piece and a second sliding piece are arranged in the inner shell; one side of the first sliding piece and one side of the second sliding piece are respectively clamped at the two ends of the lock; the lock cylinder assembly is used for unlocking through a key, code searching can be conducted even if a password is forgotten, code searching at any time is achieved by rotating the password wheel to enable a third convex hull on the code adjusting piece to abut against the lock piece supporting column, practicability is high, operation is convenient, and the two ends of the lock are clamped through the first sliding piece and the second sliding piece; and the risk of falling of the password due to instable holding after the password is input is prevented.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of coded lock, specifically belongs to a kind of coded lock with automatic password retrieval. BACKGROUND

[0002] To ensure property safety, people generally lock the house where private articles are placed, and existing locks are generally divided into two types, one is traditional key lock, which is unlocked by key and lock core cooperation, and the other is password wheel, mainly dial wheel password wheel, and there are also digital key password wheel.

[0003] Password wheel has password assembly inside, when password assembly is dialled correctly, password wheel can be unlocked.In existing technology, when the owner of password wheel forgets password, or after lending password wheel to others, the owner of password wheel is difficult to retrieve original password, so that the owner of password wheel must always remember or record the password of the password wheel, so that the application of password wheel is not flexible and convenient;Existing password wheel has the risk of falling lock from password wheel after inputting password. INVENTION CONTENTS

[0004] The utility model aims at providing a kind of coded lock with automatic password retrieval, adopt lock core assembly and unlock by key, even forget password can also code search, make the convex envelope on the code adjusting piece abut on lock piece support column by rotating password wheel to make password display in correct position, realize code search at any time, it is practical and easy to operate, prevent the risk of falling due to not holding steady after inputting password by the clamping of first sliding piece and second sliding piece two ends of lock, it is simple in structure and higher in stability.

[0005] The utility model discloses a kind of coded lock with automatic password retrieval, including upper shell and lower shell, cavity is equipped between the upper shell and lower shell, inner shell is equipped in the cavity, password assembly and lock core assembly are equipped in the inner shell, lock piece is equipped between the password assembly and lock core assembly, the side of the lock piece close to password assembly is equipped with multiple support columns, the password assembly includes multiple password wheels and multiple code adjusting pieces, the side of the code adjusting piece close to support column is equipped with third convex envelope, the code adjusting piece is inserted into the password wheel, when unlocking lock core assembly by key, the password wheel drives code adjusting piece to rotate so that the support column abuts the third convex envelope;It also includes lock, first sliding piece and second sliding piece are equipped in the inner shell;The side of the first sliding piece and second sliding piece is respectively clamped two ends of the lock.

[0006] Preferably, the first sliding member and the second sliding member are of an integral structure; the lock is in a U shape; the lock is inserted through the upper shell, the inner shell and the lower shell; the code adjusting member is provided with a through hole, a plurality of code adjusting members are connected to form a channel hole, one side of the through hole is provided with a groove, and a clamping shaft member is inserted into the channel hole; one side of the clamping shaft member is provided with a plurality of protrusions; when all the code wheels are at the correct code point, the plurality of protrusions can be inserted into the corresponding grooves.

[0007] Preferably, the inner shell is rotatably connected with a disc member, the disc member is provided with two protruding columns, and the two protruding columns are respectively inserted into the first sliding member and the second sliding member; the inner shell is located on one side of the clamping shaft member and abuts against a pushing member; the pushing member is provided with a first inclined slot; the first sliding member is provided with a second inclined slot; the inner shell is located between the pushing member and the first sliding member and is provided with a pressing member, two sides of the pressing member are respectively provided with a first convex block and a second convex block; the first convex block abuts on one side of the first inclined slot; and the second convex block abuts on one side of the second inclined slot.

[0008] Preferably, when the code wheel is at the correct code point, the pressing member is pressed to move the clamping shaft member away from one side of the pushing member, and at the same time, the first sliding member moves away from one side of the pressing member to drive the disc member to rotate, thereby driving the first sliding member and the second sliding member to move away from the lock.

[0009] Preferably, the lock is provided with a plurality of groove keys at both ends; the distance between the lock and the upper shell is adjusted by abutting the first sliding member and the second sliding member at different positions of the groove keys.

[0010] Preferably, one side of the inner shell is clamped with a panel, the panel is provided with a clamping groove corresponding to a plurality of code wheels, and the clamping groove clamps the code wheel; one side of the panel close to the lock member is provided with a limiting slot, and the limiting slot limits and abuts against the lock member.

[0011] Preferably, a first spring is arranged between the pushing member and the inner shell; and a second spring is arranged between the pressing member and the inner shell.

[0012] Preferably, one side of the pushing member close to the clamping shaft member is provided with an inclined surface; and one side of the clamping shaft member close to the pushing member is provided with a curved surface.

[0013] Preferably, one side of the code assembly is provided with a code changing sheet; the code changing sheet is located on one side of the code adjusting member; pressing the code changing sheet can make the code changing sheet abut against the code adjusting member; the inner shell close to the code assembly is provided with a spring sheet, and the spring sheet abuts against the code wheel; the code changing sheet penetrates through the inner shell and is not higher than the outer side of the inner shell.

[0014] Preferably, the lock is provided with an external surface at the middle part which is larger than the external diameter of both ends of the lock, which plays a limiting role; and the lock is provided with a guide surface at both ends.

[0015] Compared with the prior art, the utility model provides a password lock with automatic password searching, has one beneficial effect: adopt lock core subassembly through key unlocking, even if forget password can search password, through rotating password wheel makes third convex crown on the code adjusting piece abuts to lock piece support column, at this moment password wheel cannot rotate, makes password display in correct position, realizes searching password at any time, practicality is strong and convenient operation, through first sliding part and second sliding part clamping lock both ends, prevents the risk of falling after inputting password because of not holding steady, simple structure and makes its stability higher. BRIEF DESCRIPTION OF DRAWINGS

[0016] The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the present application and serve to explain the present application. In the drawings:

[0017] Figure 1 It is the perspective view of the front view direction of the utility model embodiment.

[0018] Figure 2 It is the perspective view of the back view direction of the utility model embodiment.

[0019] Figure 3 It is the section view of the front view direction of the utility model embodiment.

[0020] Figure 4 It is the internal view of the utility model embodiment.

[0021] Figure 5 It is the enlarged view of A of Figure 4

[0022] Figure 6 It is the section view of the top view direction of the utility model embodiment.

[0023] Figure 7 It is the schematic diagram of the password wheel in the correct code point of the utility model embodiment.

[0024] Figure 8 It is the perspective view of the utility model embodiment without upper shell and lower shell.

[0025] Figure 9 It is the section view of the front view direction of the password assembly of the utility model embodiment.

[0026] Figure 10 It is the section view of the side view direction of the password assembly of the utility model embodiment.

[0027] Figure 11 It is the perspective view of the panel of the utility model embodiment.

[0028] ​Figure 12 It is panel right view direction's sectional drawing of the embodiment of the utility model.

[0029] Reference signs

[0030] 1 - upper shell;2 - lower shell;3 - inner shell;31 - first sliding piece;311 - second bevel slot;32 - second sliding piece;33 - panel;331 - clamping groove;332 - limiting groove;35 - push piece;351 - first bevel slot;352 - first spring;353 - inclined surface;4 - password assembly;41 - password wheel;42 - code adjusting piece;421 - third convex block;422 - through hole;423 - groove;43 - code changing piece;44 - spring piece;5 - lock cylinder assembly;6 - lock piece;61 - support column;7 - lockset;71 - groove key;72 - external connection surface;73 - guide surface;8 - clamping shaft piece;81 - protrusion;82 - curved surface;9 - disc piece;91 - protrusion column;10 - pressing piece;101 - first convex block;102 - second convex block;103 - second spring; DETAILED DESCRIPTION

[0031] The technical solutions of the utility model will be described clearly and completely below in combination with the drawings. Obviously, the described embodiments are only a part of the embodiments of the utility model, not all the embodiments.

[0032] The components of the embodiments of the utility model generally described and shown in the drawings can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the claimed utility model, but only represents selected embodiments of the utility model.

[0033] Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0034] In the description of the utility model, it should be explained that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0035] It is to be understood that the terminology "including", "comprising", or any other variation thereof, is intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus. Exemplary expressions of the aforementioned terms do not necessarily refer to the same embodiments or examples in this specification. Moreover, specific features, structures, materials, or characteristics described can be combined in any suitable manner in one or more embodiments or examples.

[0036] As shown in Figures 1 to 7 The upper shell 1 and the lower shell 2 are provided with a cavity, and the inner shell 3 is arranged in the cavity. The inner shell 3 is provided with a password assembly 4 and a lock core assembly 5. The password assembly 4 and the lock core assembly 5 are provided with a lock piece 6. The lock piece 6 is provided with a plurality of support columns 61 on the side close to the password assembly 4. The password assembly 4 includes a plurality of password wheels 41 and a plurality of code adjusting pieces 42. The code adjusting piece 42 is provided with a third convex block 421 on the side close to the support column 61. The code adjusting piece 42 is inserted into the password wheel 41. When the lock core assembly 5 is unlocked by a key, the password wheel 41 drives the code adjusting piece 42 to rotate, so that the support column 61 abuts against the third convex block 421. The lock 7 is also included. The inner shell 3 is provided with a first sliding piece 31 and a second sliding piece 32. The first sliding piece 31 and the second sliding piece 32 are respectively clamped on both ends of the lock 7. The lock core assembly 5 is unlocked by a key, so that the support column 61 abuts against the side of the code adjusting piece 42. Even if the password is forgotten, the code can be found. The third convex block 421 is abutted to the support column 61 by rotating the password wheel 41. At this time, the password wheel 41 cannot be rotated, so that the password is displayed at the correct position. The code can be found at any time. The utility is strong and the operation is convenient. The first sliding piece 31 and the second sliding piece 32 clamp both ends of the lock 7, so as to prevent the risk of falling due to unstable holding after inputting the password. The structure is simple and the stability is higher.

[0037] As shown in Figures 1 to 12As shown, the first sliding member 31 and the second sliding member 32 are of an integral structure; the lock 7 is in a U shape; the lock 7 penetrates and connects the upper shell 1, the inner shell 3 and the lower shell 2; the code adjusting member 42 is provided with a through hole 422, a plurality of code adjusting members 42 are connected to form a channel hole, one side of the through hole 422 is provided with a groove 423, and the channel hole is inserted with a clamping shaft member 8; one side of the clamping shaft member 8 is provided with a plurality of protrusions 81; when all the code wheels 41 are in the correct code point, the plurality of protrusions 81 can be inserted into the corresponding grooves 423; the inner shell 3 is rotatably connected with a disc member 9, the disc member 9 is provided with two protruding columns 91, and the two protruding columns 91 are respectively inserted into the first sliding member 31 and the second sliding member 32; the inner shell 3 is located on one side of the clamping shaft member 8 and abuts against a pushing member 35; the pushing member 35 is provided with a first inclined slot 351; the first sliding member 31 is provided with a second inclined slot 311, and the inner shell 3 is located between the pushing member 35 and the first sliding member 31 and is provided with a pressing member 10, two sides of the pressing member 10 are respectively provided with a first convex block 101 and a second convex block 102; the first convex block 101 abuts on one side of the first inclined slot 351; the second convex block 102 abuts on one side of the second inclined slot 311; as Figure 6 、 Figure 7When the code wheel is at the correct code point, the pusher 35 is pressed to move the card shaft 8 away from the side of the pusher 35, and the first sliding piece 31 moves away from the side of the pusher 10 to rotate the disc piece 9, thereby moving the first sliding piece 31 and the second sliding piece 32 away from the lock 7; The lock 7 is provided with a plurality of groove keys 71 at both ends; The distance between the lock 7 and the upper shell 1 is adjusted by the first sliding piece 31 and the second sliding piece 32 abutting different positions of the groove key 71, so that the code lock can have different sizes, and it is more flexible and practical to use; The inner shell 3 is provided with a panel 33 on one side, the panel 33 is provided with a plurality of card slots 331 corresponding to the code wheels 41, and the card slots 331 are connected with the code wheels 41; The panel 33 is provided with a limiting groove 332 near the lock 6, and the limiting groove 332 abuts against the lock 6; The first spring 352 is arranged between the pusher 35 and the inner shell 3; The second spring 103 is arranged between the pusher 10 and the inner shell 3; The pusher 35 is provided with an inclined surface 353 near the card shaft 8; The card shaft 8 is provided with an arc surface 82 near the pusher 35, which can reduce the wear between the pusher 35 and the card shaft 8 and prolong the service life; The code assembly 4 is provided with a code changing piece 43 on one side; The code changing piece 43 is located on the side of the code changing piece 42; The code changing piece 43 is pressed to abut against the code changing piece 42; The inner shell 3 is provided with a spring piece 44 near the code assembly 4, which abuts against the code wheel 41 to generate a reverse force when the code wheel 41 is rotated; The code changing piece 43 penetrates the inner shell 3 and is not higher than the outer side of the inner shell 3; The lock 7 is provided with a tangent surface 72 larger than the outer diameter of the lock 7 at the middle, which plays a limiting role; The lock 7 is provided with a guide surface 73 at both ends, which is convenient for the lock 7 to be installed in the lock body.

[0038] Working principle: the inner shell 3 is provided with a password assembly 4 and a lock cylinder assembly 5, the password assembly 4 includes a plurality of code adjusting pieces 42 and a password wheel 41, the code adjusting pieces 42 are inserted into the password wheel 41, and the adjacent code adjusting pieces 42 are abutted; a through hole 422 is arranged in the code adjusting piece 42, and a groove 423 is arranged on one side of the through hole 422, and the through holes 422 on the plurality of code adjusting pieces 42 form a channel hole; a clamping shaft piece 8 is inserted into the channel hole, the clamping shaft piece 8 is provided with a protrusion 81, when the code points are all input correctly, the grooves 423 of the code adjusting pieces 42 are all located on one side of the protrusion 81, so that the clamping shaft piece 8 can be inserted into the groove 423; the inner shell 3 is provided with a first sliding piece 31 and a second sliding piece 32, and the inner shell 3 is rotatably connected with a disc piece 9, two protruding columns 91 are arranged on the disc 9 and connected with the first sliding piece 31 and the second sliding piece 32, so that when the first sliding piece 31 slides towards the second sliding piece 32, the second sliding piece 32 is driven to slide towards the first sliding piece 31 through the rotation of the disc piece 9, a pressing piece 10 is arranged between the first sliding piece 31 and a pushing piece 35, when the password is correct, the pushing piece 35 can push the clamping shaft piece 8 to move towards the password assembly 4, the pushing piece 35 is pushed to move by pressing the pressing piece 10, and at the same time, the first sliding piece 31 and the second sliding piece 32 are driven to move away from the two ends of the lock 7 to achieve unlocking of the lock 7, wherein the pushing piece 35 and the inner shell 3 are provided with a first spring 352, the pressing piece 10 and the inner shell 3 are connected through a second spring 103, so that the pressing piece 10 can realize elastic reciprocating movement, after the pressing piece 10 is released, the pressing piece 10 returns to the initial position through the elastic potential energy, and at the same time, the pushing piece 35 also returns to the initial position due to the elastic potential energy, the two ends of the lock 7 are provided with symmetrical recessed keys 71, so that the first sliding piece 31 and the second sliding piece 32 are abutted in the recessed keys 71 at different positions, so that the password lock can have different sizes, and the use is more flexible and the practicability is better; when the password is forgotten, the key is inserted into the lock cylinder assembly 5 to unlock, so that the supporting column 61 abuts one side of the code adjusting piece 42, so that even if the password is forgotten, the code can be found, the third protrusion 421 of the password wheel 41 is abutted to the supporting column 61 by rotating the password wheel 41, the password wheel 41 cannot be rotated any more, at this time, the correct code point is displayed, and the code is found quickly; when the password needs to be replaced, the code adjusting piece 43 is pressed, at this time, the code adjusting piece 43 abuts one code adjusting piece 42, as shown in Figure 9 , the third protrusion 81 of the clamping shaft piece 8 is inserted into the groove 423 of the code adjusting piece 42, when one code adjusting piece 42 is fixed by the code adjusting piece 43, the clamping shaft piece 8 cannot be rotated, so that the remaining code adjusting pieces 42 are fixed by the clamping shaft piece 8, and then the password can be replaced by rotating the password wheel 41 to complete the code adjusting.

[0039] In the description of the utility model, it is to explain, unless another explicit provision and limitation, term "installation", "link", "connection" should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through the intermediate medium, can be two elements inside the communication。For ordinary skilled person in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

Claims

1. A combination lock with automatic password recovery, comprising an upper shell and a lower shell, wherein a cavity is provided between the upper shell and the lower shell, an inner shell is provided within the cavity, and a combination lock assembly and a lock cylinder assembly are provided within the inner shell, characterized in that: A locking element is provided between the combination component and the lock cylinder component. The locking element has multiple support posts on the side near the combination component. The combination component includes multiple combination wheels and multiple switching elements. The switching element has a third protrusion on the side near the support posts. The switching element is inserted into the combination wheels. When the lock cylinder component is unlocked with a key, the combination wheels drive the switching element to rotate, causing the support posts to abut against the third protrusion. The lock also includes a lock mechanism. The inner housing has a first sliding member and a second sliding member. One side of the first sliding member and the second sliding member are respectively engaged with both ends of the lock mechanism.

2. A combination lock with automatic password recovery as described in claim 1, characterized in that: The first and second sliding members are both integral structures; the lock is U-shaped; the lock is inserted through the upper housing, inner housing, and lower housing; the code adjustment member has a through hole, and multiple code adjustment members are connected to form a channel hole. A groove is provided on one side of the through hole, and a retaining pin is inserted into the channel hole; a plurality of protrusions are provided on one side of the retaining pin; when all the code wheels are at the correct code point, the plurality of protrusions can be inserted into the corresponding grooves.

3. A combination lock with automatic password recovery as described in claim 2, characterized in that: The inner housing is rotatably connected to a disc component, the disc component having two protruding pillars, the two protruding pillars being respectively inserted into a first sliding member and a second sliding member; the inner housing is located on one side of the retaining shaft component and a pusher component is abutted against; the pusher component has a first oblique groove; the first sliding member has a second oblique groove; the inner housing is located between the pusher component and the first sliding member and a presser component is provided, the presser component having a first convex bulge and a second convex bulge on both sides respectively; the first convex bulge abuts against one side of the first oblique groove; the second convex bulge abuts against one side of the second oblique groove.

4. A combination lock with automatic password recovery as described in claim 3, characterized in that: When the combination wheel is at the correct code point, pressing the button causes the pusher to move the locking pin away from the pusher, and at the same time the first slider moves away from the button to drive the disc to rotate, thereby causing both the first slider and the second slider to move away from the lock.

5. A combination lock with automatic password recovery as described in claim 1, characterized in that: The lock has multiple grooved keys at both ends; the distance between the lock and the upper housing can be adjusted by the first and second sliding members abutting against the grooved keys at different positions.

6. A combination lock with automatic password recovery as described in claim 1, characterized in that: The inner housing has a snap-fit ​​panel on one side, and the panel has a slot corresponding to the multiple combination wheels, which snaps into the combination wheels; the panel has a limiting groove on the side near the lock, which limits and abuts against the lock.

7. A combination lock with automatic password recovery as described in claim 3, characterized in that: A first spring is provided between the pusher and the inner housing; the pusher is connected to the inner housing by a second spring.

8. A combination lock with automatic password recovery as described in claim 3, characterized in that: The pusher has an inclined surface on the side near the retaining shaft; the retaining shaft has an arc surface on the side near the pusher.

9. A combination lock with automatic password recovery as described in claim 1, characterized in that: A code-changing piece is provided on one side of the cryptographic component; the code-changing piece is located on one side of the code-switching component; pressing the code-changing piece can cause the code-changing piece to abut against the code-switching component; a spring is provided near the cryptographic component in the inner housing, and the spring abuts against the cryptographic wheel; the code-changing piece penetrates through the inner housing and is not higher than the outer side of the inner housing.

10. A combination lock with automatic password recovery as described in claim 1, characterized in that: The lock has an outer contact surface in the middle that is larger than the outer diameter of both ends of the lock, which serves as a limiting surface; the lock has guide surfaces at both ends.

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