CN216076725U

CN216076725U - Compact coded lock

Info

Publication number: CN216076725U
Application number: CN202122610160.6U
Authority: CN
Inventors: 刘祖学
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-10-28
Filing date: 2021-10-28
Publication date: 2022-03-18
Anticipated expiration: 2031-10-28

Abstract

The utility model discloses a compact coded lock, which comprises an end cover, a back plate, a key and a lock shaft, the customs lock comprises a first spring, a second spring, a translation locking block, a customs lock and a password assembly, wherein a back plate is installed at the back of an end cover, a lock shaft and the translation locking block can be installed in a cavity of the end cover in a translation mode, a key can be arranged on the end cover in a penetrating mode in the translation mode, the password assembly is installed on the lock shaft, the first spring is sleeved on the lock shaft and located between a lock shaft end plate of the lock shaft and the password assembly, the customs lock is installed on the key, a rotation locking block of the customs lock is in contact with the lock shaft end plate of the lock shaft, a second spring abuts between the inner side of the lock block end plate of the translation locking block and a spring limiting portion of the end cover, the outer side of the lock block end plate is in contact with the lower end portion of the key, one end, far away from the key, of the translation locking block is provided with two locking hooks, and the end cover is provided with two locking holes corresponding to the positions of the respective locking hooks. The utility model has the advantages of simple and compact structure, fewer parts, small volume, convenient operation and good safety performance.

Description

Compact coded lock

Technical Field

The utility model relates to the technical field of locks, in particular to a compact coded lock.

Background

Along with the development of society, the number of times of people's trip is more and more, and when people went on a journey, all can carry the case and bag and be used for placing object article, and the case and bag adopts the zip fastener to control to open and shut as the connecting piece mostly, in order to prevent that the zip fastener from being opened by other people at will, people have set up zip fastener trick lock on the case and bag.

However, the zipper coded lock on the market at present has the defects of complex structure, more parts and large volume.

SUMMERY OF THE UTILITY MODEL

The present invention aims to overcome the above-mentioned drawbacks of the prior art and to provide a compact combination lock.

In order to achieve the purpose, the utility model provides a compact coded lock, which comprises an end cover, a back plate, a key, a lock shaft, a first spring, a second spring, a translational lock block, a customs lock and a coded assembly, wherein the back plate is arranged at the back of the end cover, the lock shaft and the translational lock block can be arranged in a cavity of the end cover in a translational way, the lock shaft is arranged at the side edge of the translational lock block and is parallel to the translational lock block, the lock shaft and the translational lock block can translate along the axial direction parallel to the lock shaft, the key can be arranged on the end cover in a translational way of penetrating through and being positioned at one end of the lock shaft, the upper end part of the key is positioned on the surface of the end cover, the lower end part of the key extends into the cavity of the end cover, the coded assembly is arranged on the lock shaft, one end, close to the key, of the lock shaft is provided with a lock shaft end plate, the first spring is sleeved on the lock shaft and is positioned between the lock shaft end plate of the lock shaft and the coded assembly, the customs lock is arranged in a customs lock mounting hole formed in a key, a rotary lock block of the customs lock is contacted with a lock shaft end plate of a lock shaft, one end, close to the key, of a translational lock block is provided with a lock block end plate, a second spring is abutted between the inner side of the lock block end plate and a spring limiting part arranged on an end cover, the second spring is parallel to the translational lock block, the outer side of the lock block end plate of the translational lock block is contacted with the lower end part of the key, one end, far away from the key, of the translational lock block is provided with two lock hooks, the end cover is provided with two lock holes corresponding to the positions of the lock hooks respectively, the lock hooks can move along with the translational lock block to enter the lock holes or exit from the lock holes, when in a locking state with wrong passwords, the password component can limit and block the lock shaft, so that the key cannot drive the lock shaft and the translational lock block to move towards an unlocking direction, when the password is in a correct unlocking state, the password component can relieve the limit blockage of the lock shaft, so that the key can drive the lock shaft and the translational lock block to move towards the unlocking direction.

As a preferred embodiment, the password assembly includes at least one password wheel and at least one shaft sleeve, the shaft sleeves are respectively located in the central holes of the respective corresponding password wheels and connected with the password wheels, the shaft sleeves can rotate along with the password wheels, the password wheels are respectively mounted on the lock shaft through the respective shaft sleeves and are arranged along the axial direction of the lock shaft, the surface of the end cover is provided with a password wheel hole for placing the password wheels and allowing the upper end of the password wheel to penetrate out, the surface of the lock shaft is provided with at least one first groove, the surface of the lock shaft is concavely provided with a second groove extending along the axial direction of the lock shaft, the second groove is communicated with each first groove, and the inner wall of each shaft sleeve is provided with a convex block respectively located in the respective corresponding first groove.

As the preferred embodiment, be equipped with the screens piece that a plurality of distributes along its radial direction on the outer wall of axle sleeve, set up the screens of a plurality of annular distribution on the inner wall of password wheel, the axle sleeve inserts in the screens and with password wheel looks joint through the screens piece to be connected with the password wheel and can follow the password wheel and rotate.

In a preferable embodiment, a password reset key is arranged in the cavity of the end cover and is positioned at one end of the lock shaft far away from the key, the password resetting key can move up and down, the surface of the end cover is provided with a key hole corresponding to the password resetting key, a translation push block is arranged between the password reset key and the first shaft sleeve close to the password reset key, a first inclined plane is arranged at the top of the translation push block, one end of the translation push block is abutted against the first shaft sleeve close to the translation push block, the side part of the password reset key is provided with a second inclined plane, when the password is in a correct unlocking state, the password resetting key can move downwards and is matched with the first inclined plane through the second inclined plane, thereby drive the translation ejector pad to the direction translation that is close to the axle sleeve, make the translation ejector pad promote the axle sleeve translation, and then make every axle sleeve break away from with respective password wheel respectively.

As a preferred embodiment, the outer wall of the cipher wheel is provided with a positioning groove between two adjacent numbers, and the back plate is provided with a positioning sheet for being placed in the corresponding positioning groove.

As a preferred embodiment, each lock hole is provided with an elastic seat, one end of the translational lock block, which is far away from the key, penetrates through a concave position in the middle of the elastic seat, a third spring is arranged between the elastic seat and the back plate, and two side parts of the elastic seat are respectively located at two sides of the corresponding lock hook.

As a preferred embodiment, the two ends of the back plate are provided with buckles, the two ends of the end cover are provided with clamping holes, and the back plate is respectively clamped into the clamping holes through the buckles so as to be installed on the back of the end cover.

As a preferred embodiment, the bottom surface of the upper end part of the key is provided with a translation limiting part, the translation limiting part penetrates through a through hole formed in the surface of the end cover and then is clamped with the inner surface of the end cover, and the translation limiting part can translate in the through hole of the end cover.

In a preferred embodiment, the surface of the end cover is provided with a key guide groove, and the upper end part of the key is positioned in the key guide groove and can move in the key guide groove in a translation manner.

As a preferred embodiment, a push block is convexly arranged at one end of the surface of the upper end part of the key, and a guide arc surface is arranged on the upper surface of the lock hook.

Compared with the prior art, the utility model has the beneficial effects that:

the utility model has simple and compact structure and reasonable design, is provided with the end cover, the back plate, the key, the lock shaft, the first spring, the second spring, the translation lock block, the customs lock and the password assembly, and has less parts, small volume, convenient operation, strong practicability and good safety performance.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a first schematic structural diagram of a compact combination lock provided by an embodiment of the present invention;

fig. 2 is a schematic structural diagram ii of a compact combination lock according to an embodiment of the present invention;

FIG. 3 is an exploded view of a compact combination lock provided by an embodiment of the present invention;

FIG. 4 is a schematic diagram of an internal structure of a compact combination lock according to an embodiment of the present invention;

FIG. 5 is a schematic structural view of a compact combination lock according to an embodiment of the present invention (with the end caps hidden);

FIG. 6 is a schematic view of the installation of the key and the customs lock of the compact combination lock according to the embodiment of the present invention;

FIG. 7 is an exploded view of the combination lock shaft and combination components of a compact combination lock according to an embodiment of the present invention;

FIG. 8 is an exploded view of the combination wheel and sleeve of a compact combination lock according to an embodiment of the present invention;

FIG. 9 is a schematic view of a lock shaft of a compact combination lock according to an embodiment of the present invention;

fig. 10 is a schematic structural view of a translational push block and a combination reset key of a compact combination lock according to an embodiment of the present invention;

fig. 11 is a schematic structural view of a translational lock block and a spring seat of a compact combination lock according to an embodiment of the present invention;

fig. 12 is a schematic diagram of an internal structure of a compact combination lock (customs lock unlocked) according to an embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 12, an embodiment of the present invention provides a compact combination lock, which includes an end cover 1, a back plate 2, a key 3, a lock shaft 4, a first spring 5, a second spring 6, a translational lock block 7, a customs lock 8 and a combination assembly 9, and the structure and the operation principle of each component will be described below.

The back plate 2 is mounted on the back of the end cap 1.

Preferably, the two ends of the back plate 2 can be provided with buckles 21, the two ends of the end cover 1 are provided with clamping holes 18, and the back plate 2 is clamped into the respective clamping holes 18 through the buckles 21, so as to be mounted on the back of the end cover 1.

The lock shaft 4 and the translational lock block 7 can be installed in a cavity of the end cover 1 in a translational mode, the lock shaft 4 is located on the side edge of the translational lock block 7 and is parallel to the translational lock block 7, and the lock shaft 4 and the translational lock block 7 can translate along the direction parallel to the axis of the lock shaft 4.

Preferably, the bottom surface of the upper end part of the key 3 may be provided with a translation limiting part 32, the key 3 is disposed on the end cover 1 in a penetrating manner and located at one end of the lock shaft 4, the translation limiting part 32 penetrates through a through hole 19 formed in the surface of the end cover 1 and then is clamped with the inner surface of the end cover 1, the translation limiting part 32 can translate in the through hole 19 of the end cover 1, the upper end part of the key 3 is located in a key guide groove 20 formed in the surface of the end cover 1, the lower end part of the key 3 extends into the cavity of the end cover 1, the upper end part of the key 3 can translate in the key guide groove 20, one end of the surface of the upper end part of the key 3 is convexly provided with a push block 22 for a user to push the key, the key guide groove 20 can play a role in translation guiding, and the key can translate more smoothly.

As shown in fig. 7, 8 and 9, the combination assembly 9 may include three combination wheels 91 and three shaft sleeves 92, the shaft sleeves 92 are respectively located in the central holes of the respective combination wheels 91 and connected to the combination wheels 91, the shaft sleeves 92 can rotate along with the combination wheels 91, the combination wheels 91 are respectively mounted on the lock shaft 4 through the respective shaft sleeves 92 and arranged in an axial direction of the lock shaft 4, the surface of the end cover 1 is provided with combination wheel holes 12 for placing the combination wheels 91 and allowing the upper ends of the combination wheels 91 to penetrate through, the surface of the lock shaft 4 is provided with three first grooves 42, the surface of the lock shaft 4 is provided with second grooves 43 extending in the axial direction of the lock shaft 4, the second grooves 43 communicate with the first grooves 42, and the inner wall of each shaft sleeve 92 is provided with a protrusion 921 respectively located in the respective corresponding first grooves 42. In order to prevent the password wheel from rotating unnecessarily, the outer wall of the password wheel 91 is provided with a positioning groove 912 positioned between two adjacent numbers, the back plate 2 is provided with a positioning piece 913 used for being placed in the corresponding positioning groove 912, and the tail end of the positioning piece is placed into the positioning groove, so that the password wheel can be positioned, and the password wheel is prevented from rotating unnecessarily.

In other embodiments, the number of the password wheel and the related components used in cooperation with the password wheel may vary according to the actual needs of the user, which is not limited in this embodiment.

Specifically, as shown in fig. 8, a plurality of blocking blocks 922 distributed along the radial direction may be disposed on the outer wall of the shaft sleeve 92, a plurality of blocking positions 911 distributed annularly are disposed on the inner wall of the password wheel 91, and the shaft sleeve 92 is inserted into the blocking positions 911 through the blocking blocks 922 and is blocked with the password wheel 91, so as to be connected with the password wheel 91 and rotate along with the password wheel 91.

As shown in fig. 4 and 7, a lock shaft end plate 41 is disposed at one end of the lock shaft 4 close to the key 3, the first spring 5 is sleeved on the lock shaft 4 and is located between the lock shaft end plate 41 of the lock shaft 4 and a first shaft sleeve 92 close to the lock shaft end plate 41, the customs lock 8 is installed in a customs lock installation hole 31 formed in the key 3, and a rotating lock block 81 of the customs lock 8 is in contact with the lock shaft end plate 41 of the lock shaft 4.

As shown in fig. 3 and 4, a lock end plate 71 is disposed at one end of the translational lock block 7 close to the key 3, the second spring 6 abuts between the inner side of the lock end plate 71 and the spring limiting portion 11 disposed on the end cover 1, the second spring 6 is parallel to the translational lock block 7, the outer side of the lock end plate 71 of the translational lock block 7 is in contact with the lower end portion of the key 3, two locking hooks 72 are disposed at one end of the translational lock block 7 far from the key 3, and two locking holes 73 corresponding to the positions of the locking hooks 72 are disposed on the end cover 1. Wherein, the upper surface of latch hook 72 can be provided with guide cambered surface 721, and the setting of guide cambered surface can play the zip fastener pulling-on piece and insert the guide effect.

During specific implementation, a password resetting key 13 located at one end of the lock shaft 4 far away from the key 3 can be arranged in the cavity of the end cover 1, the password resetting key 13 can move up and down, a key hole 14 corresponding to the password resetting key 13 in position is formed in the surface of the end cover 1, a translation push block 15 is arranged between the password resetting key 13 and a first shaft sleeve 92 close to the password resetting key 13, a first inclined surface 151 is arranged at the top of the translation push block 15, one end of the translation push block 15 is abutted against the first shaft sleeve 92 close to the translation push block 15, and a second inclined surface 131 is arranged at the side of the password resetting key 13.

When resetting the password, the password assembly needs to be in an unlocking state, and the user can press the password resetting key 13, so that the password resetting key 13 moves downwards and is matched with the first inclined surface 151 through the second inclined surface 131, thereby driving the translation push block 15 to translate towards the direction close to the shaft sleeve 92, enabling the translation push block 15 to push the shaft sleeve 92 to translate towards the direction close to the lock shaft end plate 41 of the lock shaft 4, further enabling each shaft sleeve 92 to be separated from the respective password wheel 91, at the moment, the user rotates the password wheel again, so that the password wheel rotates relative to the shaft sleeve, so as to change the relative position of the password number and the shaft sleeve, after the adjustment is completed, the user can release the password resetting key, the first spring can drive the shaft sleeve to translate towards the direction close to the password resetting key, so that each shaft sleeve is inserted into the central hole of the password wheel corresponding to the shaft sleeve, and the password resetting is completed.

As shown in fig. 2, 3 and 11, each locking hole 73 may be provided with a spring seat 16 therein, one end of the translational locking block 7 away from the key 3 passes through a concave position in the middle of the spring seat 16, a third spring 17 is provided between the spring seat 16 and the back plate 2, and two side portions of the spring seat 16 are respectively located at two sides of the corresponding locking hook 72. When unblanking (two latch hooks withdraw from the lockhole and with the separation of zip fastener pulling-on piece), the third spring can drive the bullet seat and rise, makes to play the seat ejecting with the zip fastener pulling-on piece, realizes unblanking zip fastener pulling-on piece auto-eject, need not that the user is manual to extract the zip fastener pulling-on piece, promotes user experience.

The working principle of the embodiment is as follows:

when the password is incorrect, the convex block of the shaft sleeve is staggered with the second groove of the lock shaft, at the moment, the convex block of the shaft sleeve can block the lock shaft, so that the key and the customs lock cannot drive the lock shaft and the translational lock block to move in the unlocking direction (namely the direction close to the password resetting key), the lock hook cannot withdraw from the lock hole, the zipper pull piece is locked, and the password wheel is in the locking state at the moment.

When the password is correct, every lug of axle sleeve all aims at the second recess of lock axle, the lug is relieved and is blockked the spacing of axle sleeve, the user can promote the button this moment and make the lower extreme position of button promote the translation locking piece to remove toward the direction of unblanking and make the customs lock on the button promote the lock axle to remove toward the direction of unblanking, the lug of every axle sleeve all puts into the second recess of lock axle this moment, two latch hooks can follow the translation locking piece and remove, thereby withdraw from the lockhole, the bullet seat can be ejecting the zip fastener pulling-on piece voluntarily this moment, realize the unblock.

When the customs lock is unlocked, the rotary locking block of the customs lock can rotate by a preset angle and is separated from the lock shaft end plate of the lock shaft, and at the moment, no matter whether the password is correct or not, the user can unlock by pushing the key.

In conclusion, the utility model has the advantages of simple and compact structure, reasonable design, fewer parts, small volume, convenient operation, strong practicability and good safety performance.

The above embodiments are preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents thereof, and all such changes, modifications, substitutions, combinations, and simplifications are intended to be included in the scope of the present invention.

Claims

1. A compact combination lock characterized by: the novel sea-closing lock comprises an end cover (1), a back plate (2), a key (3), a lock shaft (4), a first spring (5), a second spring (6), a translation lock block (7), a sea-closing lock (8) and a password component (9), wherein the back plate (2) is installed at the back of the end cover (1), the lock shaft (4) and the translation lock block (7) can be installed in a cavity of the end cover (1) in a translation mode, the lock shaft (4) is located on the side edge of the translation lock block (7) and is parallel to the translation lock block (7), the lock shaft (4) and the translation lock block (7) can translate along the axis direction parallel to the lock shaft (4), the key (3) can be arranged on the end cover (1) in a translation mode in a penetrating mode and is located at one end of the lock shaft (4), the upper end portion of the key (3) is located on the surface of the end cover (1), and the lower end portion of the key (3) extends into the cavity of the end cover (1), the lock is characterized in that the coded assembly (9) is installed on the lock shaft (4), one end, close to the key (3), of the lock shaft (4) is provided with a lock shaft end plate (41), the first spring (5) is sleeved on the lock shaft (4) and located between the lock shaft end plate (41) of the lock shaft (4) and the coded assembly (9), the customs lock (8) is installed in a customs lock installation hole (31) formed in the key (3), a rotating lock block (81) of the customs lock (8) is in contact with the lock shaft end plate (41) of the lock shaft (4), one end, close to the key (3), of the translational lock block (7) is provided with a lock block end plate (71), the second spring (6) is abutted between the inner side of the lock block end plate (71) and a spring limiting part (11) formed in the end cover (1), the second spring (6) is parallel to the translational lock block (7), and the outer side of the lock block (71) of the translational lock block (7) is in contact with the lower end plate (3), the one end that button (3) were kept away from in translation locking piece (7) is equipped with two latch hooks (72), set up two lockholes (73) corresponding with the position of latch hook (72) that correspond respectively on end cover (1), thereby latch hook (72) can follow translation locking piece (7) translation and enter into lockhole (73) or withdraw from lockhole (73), and when the locking state of password error, password subassembly (9) can carry out spacing the blockking to lock axle (4), makes button (3) can't drive lock axle (4) and translation locking piece (7) to the direction removal of unblanking, and when the unlocking state that the password is correct, password subassembly (9) can remove the spacing blockking to lock axle (4), makes button (3) can drive lock axle (4) and translation locking piece (7) to the direction removal of unblanking.

2. A compact combination lock according to claim 1, wherein: the password assembly (9) comprises at least one password wheel (91) and at least one shaft sleeve (92), the shaft sleeve (92) is respectively positioned in a central hole of the password wheel (91) corresponding to each other and connected with the password wheel (91), the shaft sleeve (92) can rotate along the password wheel (91), the password wheel (91) is respectively arranged on the lock shaft (4) through the shaft sleeve (92) corresponding to each other and arranged along the axial direction of the lock shaft (4), the surface of the end cover (1) is provided with a password wheel hole (12) for placing the password wheel (91) and allowing the upper end of the password wheel (91) to penetrate out, the surface of the lock shaft (4) is provided with at least one first groove (42), the surface of the lock shaft (4) is concavely provided with a second groove (43) extending along the axial direction of the lock shaft (4), and the second groove (43) is communicated with each first groove (42), the inner wall of each shaft sleeve (92) is provided with a lug (921) which is respectively positioned in the corresponding first groove (42).

3. A compact combination lock according to claim 2, wherein: be equipped with block (922) that a plurality of distributed along its radial direction on the outer wall of axle sleeve (92), screens (911) that a plurality of annular distributes have been seted up on the inner wall of password wheel (91), axle sleeve (92) insert in screens (911) and with password wheel (91) looks joint through block (922) to be connected with password wheel (91) and can follow password wheel (91) and rotate.

4. A compact combination lock according to claim 3, wherein: a password resetting key (13) which is positioned at one end of the lock shaft (4) far away from the key (3) is arranged in a cavity of the end cover (1), the password resetting key (13) can move up and down, a key hole (14) with a position corresponding to that of the password resetting key (13) is formed in the surface of the end cover (1), a translation push block (15) is arranged between the password resetting key (13) and a first shaft sleeve (92) close to the password resetting key (13), a first inclined plane (151) is arranged at the top of the translation push block (15), one end of the translation push block (15) is abutted against the first shaft sleeve (92) close to the translation push block (15), a second inclined plane (131) is arranged on the side part of the password resetting key (13), and when the password is in a correct unlocking state, the password resetting key (13) can move downwards and is matched with the first inclined plane (151) through the second inclined plane (131), thereby driving the translation push block (15) to translate towards the direction close to the shaft sleeve (92), and enabling the translation push block (15) to push the shaft sleeve (92) to translate, and further enabling each shaft sleeve (92) to be separated from the corresponding password wheel (91).

5. A compact combination lock according to claim 2, wherein: the outer wall of the password wheel (91) is provided with a positioning groove (912) between two adjacent numbers, and the back plate (2) is provided with a positioning sheet (913) which is used for being placed in the corresponding positioning groove (912).

6. A compact combination lock according to claim 1, wherein: all be equipped with bullet seat (16) in every lockhole (73), the middle part concave position of bullet seat (16) is passed to the one end that button (3) were kept away from in translation locking piece (7), be equipped with third spring (17) between bullet seat (16) and backplate (2), the both sides portion of bullet seat (16) is located latch hook (72) both sides that correspond respectively.

7. A compact combination lock according to claim 1, wherein: the both ends of backplate (2) are equipped with buckle (21), joint hole (18) have been seted up at the both ends of end cover (1), backplate (2) are gone into respectively in respective joint hole (18) through buckle (21) to install at end cover (1) back.

8. A compact combination lock according to claim 1, wherein: the upper end position bottom surface of button (3) is equipped with spacing portion of translation (32), the internal surface looks joint with end cover (1) behind through-hole (19) that the surface of end cover (1) was seted up is passed to spacing portion of translation (32), spacing portion of translation (32) can translate in through-hole (19) of end cover (1).

9. A compact combination lock according to claim 1, wherein: the surface of the end cover (1) is provided with a key guide groove (20), and the upper end part of the key (3) is positioned in the key guide groove (20) and can move in the key guide groove (20) in a translation manner.

10. A compact combination lock according to claim 1, wherein: a push block (22) is convexly arranged at one end of the surface of the upper end part of the key (3), and a guide arc surface (721) is arranged on the upper surface of the lock hook (72).