CN219451774U

CN219451774U - Key coded lock

Info

Publication number: CN219451774U
Application number: CN202320106086.0U
Authority: CN
Inventors: 郑龙; 陈牡; 郑细春
Original assignee: Foshan Tongfang Smart Lock Industry Co ltd
Current assignee: Foshan Tongfang Smart Lock Industry Co ltd
Priority date: 2023-02-03
Filing date: 2023-02-03
Publication date: 2023-08-01
Anticipated expiration: 2033-02-03

Abstract

The utility model discloses a key coded lock, which comprises a coded lock body, wherein a numeric keyboard is arranged on the front end face of the coded lock body and consists of a plurality of buttons, and every two buttons are sequentially arranged from top to bottom; one side of the coded lock body is provided with a protective shell, and a plurality of key installation grooves penetrating through the protective shell are formed in the front end face of the protective shell. According to the utility model, the protective shell can be fixed on the outer surface of the equipment through the spring fixing structure, the plurality of mineral glass keys corresponding to the number and positions of the buttons forming the numeric keyboard are arranged on the outer surface of the protective shell, and the mineral glass keys made of mineral glass have excellent wear resistance and can not leave marks even in long-term use, so that the occurrence of marks left on the keys in long-term use can be effectively prevented, and the safety of the equipment is improved.

Description

Key coded lock

Technical Field

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

Background

A combination lock is a kind of lock, a series of numbers or symbols are used when the lock is opened, and the combination of the combination lock is usually only arranged instead of actually combined. Only one rotary disc is used for part of coded locks, and a plurality of discs or cams in the locks are rotated; some coded locks are also a set of rims engraved with numbers, which directly drive the machinery inside the lock;

the existing coded locks are also divided into multi-dialing coded locks according to different structures; the simplest combination locks are commonly known as single car locks and rotary disc type combination locks with low security settings; the coded lock is safe and mechanical; the mechanical coded lock is stable and durable, and does not need a power supply or an electronic coded lock; the electronic coded lock has the characteristics of quick operation, simple and random password modification and the like, and the card-swiping coded lock; the card-swiping type coded lock can use the IC card to open the door of the safe, has the characteristics of high requirement on the IC card, high confidentiality, easy use and the like, and is simple to operate; the door lock has a numeric keypad and keys in a series of numbers when opened, and the lock is electronically controlled and is commonly used in office rooms.

In the prior art, if a numeric keyboard on a key coded lock is used for unlocking frequently, a plurality of keys which are pressed frequently for a long time are inevitably worn to cause fading, and if illegal personnel find the keys, the password can be possibly tested by a removal method, so that the safety is low; therefore, the existing requirement is not met, and a key coded lock is provided for the key coded lock.

Disclosure of Invention

The utility model aims to provide a key coded lock, which solves the problems that if a numeric keyboard on the key coded lock is used for unlocking, a plurality of keys which are pressed frequently over time inevitably wear to cause fading, if illegal personnel find the key, the password can be possibly tested by an elimination method, the safety is low and the like.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the key coded lock comprises a coded lock body, wherein a numeric keyboard is arranged on the front end face of the coded lock body and consists of a plurality of buttons, and every two buttons are sequentially arranged from top to bottom;

one side of trick lock body is equipped with the protective housing, be equipped with a plurality of button mounting grooves that run through the protective housing on the positive terminal surface of protective housing, every the inside of button mounting groove all is equipped with a mineral glass key, the quantity of mineral glass key is unanimous with the button quantity of constituteing numerical keyboard, and the position of mineral glass key corresponds with the position of button.

Preferably, the inner wall of the key installation groove is provided with a square groove extending to the inside of the protective casing, the outer surface of the mineral glass key is fixedly sleeved with a square ring, the square ring is clamped into the square groove, a plurality of reset springs are connected between the square ring and the inner wall of the square groove, and the surface, facing the button, of the outer surface of the mineral glass key is fixedly provided with a protective pad.

Preferably, a rectangular fixing groove is arranged on the front end face and the rear end face of the coded lock body and close to the middle, and a strip-shaped guide groove extending to the lower end face of the coded lock body is arranged on the inner wall of the lower end of the rectangular fixing groove.

Preferably, two storage grooves are symmetrically formed in two sides of the inner wall of the protective shell, rectangular fixing blocks are arranged in the storage grooves, and the positions of the two rectangular fixing blocks correspond to the positions of the two rectangular fixing grooves respectively;

the inside of rectangle fixed block is equipped with the cylinder groove, the face towards accomodating the groove on the inner wall in cylinder groove is equipped with the circular through-hole that runs through the rectangle fixed block, the inside of circular through-hole is equipped with the head rod, it is fixed mutually between the face towards accomodating the groove and the inner wall of accomodating the groove on the head rod, the face towards the cylinder groove on the head rod is through running through the inside that the circular through-hole extends to the cylinder groove, is located fixed cover is equipped with and is located the spacing ring on the surface of the inside head rod in cylinder groove, be connected with a fixed spring between the inner wall in spacing ring and the cylinder groove.

Preferably, the top of accomodating the groove is equipped with the bar through-hole that runs through protective housing, the inside of bar through-hole is equipped with the push rod, the push rod is located the top of rectangle fixed block, just the face that is opposite with the rectangle fixed block on the push rod and the face that is opposite with the push rod on the rectangle fixed block are the inclined plane.

Preferably, one side of push rod is equipped with the push block that is located the protective housing outside, be equipped with a second connecting rod that is located bar through-hole inside between push block and the push rod, the second connecting rod is vertically run through from top to bottom by the guide bar, just the cover is equipped with the spring on the surface of guide bar, the both ends of spring link to each other with the inner wall of second connecting rod and bar through-hole respectively.

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

1. according to the utility model, the protective shell can be fixed on the outer surface of the coded lock body, the plurality of mineral glass keys capable of being pressed inwards are arranged on the outer surface of the protective shell, the number and the positions of the mineral glass keys positioned on the outer surface of the protective shell correspond to those of buttons forming the numeric keyboard, and the mineral glass keys made of mineral glass have excellent wear resistance and can not leave marks after long-term use, so that the safety of equipment is improved through the technical scheme;

2. according to the utility model, through the cooperation of the spring fixing structure and the pushing structure, the protective shell is provided with an efficient dismounting mode, and when the spring fixing structure and the pushing structure are required to be fixed, the spring fixing structure and the pushing structure are required to be combined, so that the convenience of the device is improved.

Drawings

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is a front view of the internal structure of FIG. 1B in accordance with the present utility model;

fig. 3 is a side view of the internal structure of fig. 1 a in accordance with the present utility model.

In the figure: 1. a coded lock body; 2. a protective housing; 3. a key installation groove; 4. mineral glass bonds; 5. a square ring; 6. a square groove; 7. a return spring; 8. a protective pad; 9. a rectangular fixing groove; 10. a strip-shaped guide groove; 11. a storage groove; 12. a rectangular fixed block; 13. a cylindrical groove; 14. a circular through hole; 15. a first connecting rod; 16. a limiting ring; 17. a fixed spring; 18. a push rod; 19. a bar-shaped through hole; 20. a pushing block; 21. a second connecting rod; 22. a guide rod; 23. a spring; 24. a numeric keypad.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

The coded lock body 1 (model TP-LINK), the reset spring 7 (model JX 110) and the protective shell 2 (model 304) can be customized from market buyers.

Referring to fig. 1 to 3, an embodiment of the present utility model provides: the key coded lock comprises a coded lock body 1, wherein a numeric keyboard 24 is arranged on the front end face of the coded lock body 1, the numeric keyboard 24 consists of a plurality of buttons, and every two buttons are sequentially arranged from top to bottom;

a protective shell 2 is arranged on one side of the coded lock body 1, a plurality of key installation grooves 3 penetrating through the protective shell 2 are formed in the front end face of the protective shell 2, a mineral glass key 4 is arranged in each key installation groove 3, the number of the mineral glass keys 4 is consistent with the number of buttons forming the digital keyboard 24, and the positions of the mineral glass keys 4 correspond to the positions of the buttons; when the combination lock is used, when the protective shell 2 is required to be fixed on the outer surface of the combination lock body 1, two rectangular fixing blocks 12 positioned on the inner wall of the protective shell 2 are respectively aligned with two strip-shaped guide grooves 10 positioned on the lower end surface of the combination lock body 1, then the two strip-shaped guide grooves are inserted, the rectangular fixing blocks 12 are pushed outwards along with the penetration of the rectangular fixing blocks 12, meanwhile, fixing springs 17 positioned in the rectangular fixing blocks are extruded, the rectangular fixing blocks 12 can enter the inner parts of the rectangular fixing grooves 9 through the guide rectangular fixing blocks 12 of the strip-shaped guide grooves 10, and then the rectangular fixing blocks 12 can be pushed inwards through the reaction force of the extruded fixing springs 17 so as to completely enter the inner parts of the rectangular fixing grooves 9, so that the combination lock body 1 and the protective shell 2 are fixed, when the combination lock is required to be released, the pushing blocks 20 positioned on the outer surface of the protective shell 2 are pushed downwards, and along with the movement of the pushing blocks 20, the pushing rods 18 which are indirectly and fixedly connected through the second connecting rods 21 are also lowered along with the movement of the pushing blocks; because the push rod 18 is propped against the lower end face of the rectangular fixed block 12, and the rectangular fixed block 12 is propped against the upper end face of the push rod 18 to be inclined, along with the descent of the push rod 18, the rectangular fixed block 12 is pushed inwards to leave the inside of the rectangular fixed groove 9, so that the fixation between the coded lock body 1 and the protective shell 2 is relieved, and the coded lock body 1 and the protective shell 2 are provided with an efficient disassembly and assembly mode through the technical scheme, so that the convenience is improved.

Further, a square groove 6 extending to the inside of the shell of the protective shell 2 is formed in the inner wall of the key installation groove 3, a square ring 5 is fixedly sleeved on the outer surface of the mineral glass key 4, the square ring 5 is clamped into the square groove 6, a plurality of reset springs 7 are connected between the square ring 5 and the inner wall of the square groove 6, and a protective pad 8 is fixedly arranged on the surface facing the button on the outer surface of the mineral glass key 4; a rectangular fixing groove 9 is arranged on the front end face and the rear end face of the coded lock body 1 and close to the middle, and a strip-shaped guide groove 10 extending to the lower end face of the coded lock body 1 is arranged on the inner wall of the lower end of the rectangular fixing groove 9; two storage grooves 11 are symmetrically formed in two sides of the inner wall of the protective shell 2, rectangular fixing blocks 12 are arranged in the storage grooves 11, and the positions of the two rectangular fixing blocks 12 correspond to the positions of the two rectangular fixing grooves 9 respectively;

the inside of the rectangular fixed block 12 is provided with a cylindrical groove 13, the surface facing the storage groove 11 on the inner wall of the cylindrical groove 13 is provided with a circular through hole 14 penetrating through the rectangular fixed block 12, the inside of the circular through hole 14 is provided with a first connecting rod 15, the surface facing the storage groove 11 on the first connecting rod 15 is fixed with the inner wall of the storage groove 11, the surface facing the cylindrical groove 13 on the first connecting rod 15 extends to the inside of the cylindrical groove 13 through penetrating through the circular through hole 14, the outer surface of the first connecting rod 15 positioned in the cylindrical groove 13 is fixedly sleeved with a limiting ring 16, and a fixed spring 17 is connected between the limiting ring 16 and the inner wall of the cylindrical groove 13; a strip-shaped through hole 19 penetrating through the shell of the protective shell 2 is formed above the storage groove 11, a push rod 18 is arranged in the strip-shaped through hole 19, the push rod 18 is positioned above the rectangular fixed block 12, and the surface of the push rod 18 opposite to the rectangular fixed block 12 and the surface of the rectangular fixed block 12 opposite to the push rod 18 are inclined surfaces; one side of the push rod 18 is provided with a push block 20 positioned at the outer side of the protective shell 2, a second connecting rod 21 positioned in the strip-shaped through hole 19 is arranged between the push block 20 and the push rod 18, the second connecting rod 21 is vertically penetrated from top to bottom by a guide rod 22, the outer surface of the guide rod 22 is sleeved with a spring 23, and two ends of the spring 23 are respectively connected with the second connecting rod 21 and the inner wall of the strip-shaped through hole 19.

The outer surface of the protective shell 2 is provided with a plurality of mineral glass keys 4 which can be pressed inwards, the number and the positions of the mineral glass keys 4 positioned on the outer surface of the protective shell 2 correspond to the number and the positions of the buttons forming the numeric keyboard 24, and the mineral glass keys 4 made of mineral glass have excellent wear resistance and can not leave marks after long-term use, so that the safety of equipment is improved through the technical scheme.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a button trick lock, includes trick lock body (1), its characterized in that: a numeric keyboard (24) is arranged on the front end face of the coded lock body (1), the numeric keyboard (24) consists of a plurality of buttons, and every two buttons are sequentially arranged from top to bottom;

one side of trick lock body (1) is equipped with protective housing (2), be equipped with a plurality of button mounting grooves (3) that run through protective housing (2) on the positive terminal surface of protective housing (2), every the inside of button mounting groove (3) all is equipped with a mineral glass key (4), the quantity of mineral glass key (4) is unanimous with the button quantity of constituteing numeric keyboard (24), and the position of mineral glass key (4) corresponds with the position of button.

2. The key combination lock of claim 1, wherein: be equipped with on the inner wall of button mounting groove (3) and extend to the inside square groove (6) of protective housing (2) shell, fixed cover is equipped with square ring (5) on the surface of mineral glass key (4), the inside of square groove (6) is gone into to square ring (5) card, just be connected with a plurality of reset springs (7) between the inner wall of square ring (5) and square groove (6), the face towards the button is fixed on the surface of mineral glass key (4) is equipped with protection pad (8).

3. The key combination lock of claim 1, wherein: the utility model discloses a combination lock, including trick lock body (1), bar lock body (1) and bar guide way, be equipped with rectangle fixed slot (9) on the front and back terminal surface of trick lock body (1) near the position in the middle of all, be equipped with bar guide way (10) on the lower extreme inner wall of rectangle fixed slot (9) to extend to on the terminal surface under trick lock body (1).

4. A key coded lock according to claim 3, wherein: two storage grooves (11) are symmetrically formed in two sides of the inner wall of the protective shell (2), rectangular fixing blocks (12) are arranged in the storage grooves (11), and the positions of the two rectangular fixing blocks (12) correspond to the positions of the two rectangular fixing grooves (9) respectively;

the inside of rectangle fixed block (12) is equipped with cylindrical groove (13), the face towards accomodating groove (11) on the inner wall of cylindrical groove (13) is equipped with circular through-hole (14) that runs through rectangle fixed block (12), the inside of circular through-hole (14) is equipped with head rod (15), it is fixed mutually between the face towards accomodating groove (11) and the inner wall of accomodating groove (11) on head rod (15), the face towards cylindrical groove (13) on head rod (15) extends to the inside of cylindrical groove (13) through running through circular through-hole (14), is located fixed cover is equipped with on the surface of the inside head rod (15) of cylindrical groove (13) and is located spacing ring (16), be connected with a fixed spring (17) between the inner wall of spacing ring (16) and cylindrical groove (13).

5. The key coded lock of claim 4, wherein: the top of accomodating groove (11) is equipped with bar through-hole (19) that run through protective housing (2) shell, the inside of bar through-hole (19) is equipped with push rod (18), push rod (18) are located the top of rectangle fixed block (12), just the face opposite with rectangle fixed block (12) on push rod (18) and the face opposite with push rod (18) on rectangle fixed block (12) are the inclined plane.

6. The key coded lock of claim 5, wherein: one side of push rod (18) is equipped with push block (20) that are located the protective housing (2) outside, be equipped with one between push block (20) and push rod (18) and be located inside second connecting rod (21) of bar through-hole (19), second connecting rod (21) are vertically run through from top to bottom by guide bar (22), just the cover is equipped with spring (23) on the surface of guide bar (22), the both ends of spring (23) link to each other with the inner wall of second connecting rod (21) and bar through-hole (19) respectively.