CN214996828U

CN214996828U - Puzzle lock

Info

Publication number: CN214996828U
Application number: CN202023203911.4U
Authority: CN
Inventors: 梁新平
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-24
Filing date: 2020-12-24
Publication date: 2021-12-03
Anticipated expiration: 2030-12-24

Abstract

The utility model discloses a coded lock, which comprises a lock body, a number component and an anti-peeping part, wherein the lock body is provided with a plurality of windows and is connected with a lock rod; the number assembly is used for unlocking the lock rod, the number assembly is rotatably arranged in the lock body, the number assemblies correspond to the windows one by one, and the windows are used for observing the numbers of the number assemblies; the peep-proof part is connected to the lock body, and the peep-proof part is located the outside of window, and peep-proof part and window one-to-one, peep-proof part circumference are around the window, and outwards extend along the normal direction of window, can observe the window along peep-proof part's axial direction, and peep-proof part can block the sight of observing the window from the side. The utility model discloses can prevent effectively that the people on next door from stealing and seeing the password when unblanking, safe and reliable.

Description

Puzzle lock

Technical Field

The utility model belongs to the technical field of the tool to lock technique and specifically relates to a trick lock is related to.

Background

Coded locks are easy to use locks, which are widely used in briefcases, suitcases, etc. because they do not require the use of keys. In addition, combination locks may also be used to lock doors, drawers, or cabinets. However, when the existing coded lock is opened, the password is easy to be peeped by people beside the coded lock, so that the password is leaked, and hidden troubles exist.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a coded lock can effectively prevent the people on next door from stealing the password when unblanking, safe and reliable.

According to the utility model discloses a trick lock, include: the lock body is provided with a plurality of windows and is connected with a lock rod; the number assembly is rotationally arranged in the lock body and corresponds to the windows one by one, and the windows are used for observing the numbers of the number assembly; the peep-proof component is connected to the lock body and located on the outer side of the window, the peep-proof component corresponds to the window in a one-to-one mode, the peep-proof component circumferentially surrounds the window and extends outwards along the normal direction of the window, the window can be observed along the axial direction of the peep-proof component, and the peep-proof component can block the view of observing the window from the side face.

The technical scheme at least has the following beneficial effects: set up the peep-proof part through the outside at the window of observation number, peep-proof part circumference is around the window and outwards extends along the normal direction of window, make can only follow the interior number of axial direction observation window of peep-proof part, therefore, when unblanking, only unblank the party can follow the axial direction observation number of peep-proof part, the normal direction observation number of window is followed promptly, peep-proof part has blockked the sight of observing the number from the side, prevent that the personnel on next door from peeping the password, good peep-proof effect has, safety and reliability.

According to some embodiments of the utility model, peep-proof part includes bottom plate and bounding wall, the bottom plate is connected in the lower extreme of bounding wall, the external diameter of bottom plate is greater than the external diameter of bounding wall, the bottom plate sets up first through-hole, first through-hole with the space intercommunication that the bounding wall centers on, just first through-hole with the window matches.

According to some embodiments of the utility model, the peep-proof part sets up to umbrella nut, umbrella portion of umbrella nut does the bottom plate, umbrella nut's nut part be the bounding wall.

According to some embodiments of the utility model, the outside of lock body sets up the mounting panel, the mounting panel be provided with bounding wall complex second through-hole, the bottom plate install in the mounting panel with between the surface of lock body, the bounding wall is worn to locate the second through-hole.

According to some embodiments of the present invention, the second through hole is formed as a waist-shaped hole, and the length direction of the waist-shaped hole is arranged along the horizontal direction.

According to some embodiments of the utility model, the number subassembly includes screw rod, first installation component, number dish and second installation component, first installation component is fixed in through threaded connection the upper end of screw rod, the second installation component is fixed in through threaded connection the lower extreme of screw rod, the screw rod passes through first installation component with second installation component rotate connect in the lock body, the number dish is located the inside of lock body, just the number dish with first installation component fixed connection, the second installation component is used for opening the locking lever.

According to some embodiments of the present invention, when the number assembly is at least two, adjacent two the number disks of the number assembly partially overlap.

According to some embodiments of the utility model, the portable jam plate that sets up in the lock body, the locking lever with the jam plate is connected, the jam plate is provided with the stop part, the second installation component be provided with the stop part complex dodges the groove.

According to some embodiments of the utility model, the locking lever sets up reset spring, reset spring's one end butt in the lock body, the other end butt in the jam plate.

According to some embodiments of the present invention, a backlight and a battery are provided in the lock body, the backlight and the battery are electrically connected.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural view of a combination lock according to an embodiment of the present invention;

fig. 2 is a front view of the combination lock according to the embodiment of the present invention;

fig. 3 is a schematic structural diagram of the lock body in the embodiment of the present invention;

fig. 4 is a schematic structural diagram of a peep-proof component in an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a mounting plate in an embodiment of the present invention;

fig. 6 is a schematic structural view of a lock plate in an embodiment of the present invention;

FIG. 7 is a schematic structural diagram of a number assembly according to an embodiment of the present invention;

fig. 8 is a bottom cross-sectional view of the combination lock in an embodiment of the present invention;

fig. 9 is a left side sectional view of the combination lock according to the embodiment of the present invention;

fig. 10 is a schematic structural view of the locking state of the combination lock according to the embodiment of the present invention;

fig. 11 is a schematic structural view of the combination lock in the unlocked state according to the embodiment of the present invention.

Reference numerals:

the lock body 100, the window 110, the locking bar 120, the mounting plate 130, the second through hole 131, the locking plate 140, the blocking part 141, the return spring 150, the backlight 160, the battery 170, and the shaft hole 180;

the numerical code assembly 200, the screw 210, the first mounting part 220, the numerical code plate 230, the second mounting part 240 and the avoiding groove 241;

the peep-proof part 300, the bottom plate 310, the first through hole 311 and the surrounding plate 320.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1 to 3, an embodiment of the present invention provides a combination lock, including a lock body 100, a number assembly 200 and a peep-proof member 300, wherein a plurality of windows 110 are disposed on a front end surface of the lock body 100, the number assembly 200 is rotatably disposed in the lock body 100, and the number assembly 200 corresponds to the windows 110 one by one, the number of the number assembly 200 can be observed through the window 110, and the number can be changed by rotating the number assembly 200, it can be understood that the number of the number assembly 200 and the windows 110 is set according to actual requirements, the more the number assemblies are, the safer the number lock is, but the overall structure is enlarged, in order to ensure the proper structural size of the lock body 100 and the safety of the number lock, the number assembly 200 and the windows 110 of the present embodiment are provided with six, generally, the six windows 110 are distributed in two rows at two ends of the lock body 100, so that the overall structure of the lock body 100 is more reasonable, the number of windows 110 is not particularly limited herein; the lock body 100 is further connected with a lock rod 120, generally speaking, the lock rod 120 is in a "U" shape, one end of the lock rod 120 is rotatably connected in the lock body 100 and can move, the other end can be locked in the lock body 100 or separated from the lock body 100, and the lock rod 120 can be opened by rotating the number assembly 200; peep-proof part 300 is connected in lock body 100, and peep-proof part 300 is located the outside of window 110, peep-proof part 300 can weld in lock body 100, through threaded connection in lock body 100 or through fixed plate joint in lock body 100, here does not specifically limit its connected mode, peep-proof part 300 and window 110 one-to-one, peep-proof part 300 circumference is around window 110, and outwards extend to the normal direction of window 110, make the number of window 110 can only be observed along the axial direction of peep-proof part 300, peep-proof part 300 blocks the sight of observing the number from the side, therefore, when unblanking, only unblanking party can observe the unblanking number along the normal direction of window 110, peep-proof part 300 blocks the realization that people next door observed the unblanking number, have good anti-theft effect, effectively prevent the password from revealing, safety and reliability.

Referring to fig. 4, 5 and 8, the peep-preventing member 300 of the present embodiment includes a bottom plate 310 and a surrounding plate 320, the bottom plate 310 is connected to a lower end of the surrounding plate 320, and an outer diameter of the bottom plate 310 is larger than an outer diameter of the surrounding plate 320, the bottom plate 310 is provided with a first through hole 311 communicated with a surrounding space of the surrounding plate 320, the first through hole 311 is matched with the window 110, and the surrounding plate 320 is provided around the window 110; the outside of lock body 100 is provided with mounting panel 130, mounting panel 130 welds in lock body 100, mounting panel 130 has the clearance that holds bottom plate 310 with the surface of lock body 100, mounting panel 130 is provided with the second through-hole 131 with bounding wall 320 complex, second through-hole 131 corresponds with window 110, bottom plate 310 holds the clearance between the surface of mounting panel 130 and lock body 100, bounding wall 320 wears to locate second through-hole 131, thereby install peep-proof part 300 in the outside of window 110, bounding wall 320 can block the sight of the number of window 110 from the side observation, has good anti-theft effect, safety and reliability.

The peep-proof member 300 of the present embodiment is a pilfer nut, the pilfer part of the pilfer nut is a bottom plate 310, the nut part of the pilfer nut is a shroud 320, and the sight line of observing the number of the window 110 from the side can be blocked by installing the pilfer nut outside the window 110; because the umbrella-shaped nut is a universal part, the umbrella-shaped nut can be directly purchased and installed on the market without additional processing, the production efficiency is improved, and the manufacturing cost is reduced.

Referring to fig. 2 and 5, the second through hole 131 of this embodiment is a waist-shaped hole, the length direction of the waist-shaped hole is arranged along the left-right direction, the peep-proof component 300 can move in the waist-shaped hole, when meeting an emergency and needing to block a number, the peep-proof component 300 can be directly shifted left and right, so that the bottom plate 310 of the peep-proof component 300 directly blocks the window 110, thereby temporarily blocking the number and preventing a password from leaking, and after the locking rod 120 is locked, the peep-proof component 300 can be moved to a position where the bottom plate 310 blocks the window 110, so that the peep-proof component has the function of blocking the number.

Referring to fig. 7 and 8, in the present embodiment, the number assembly 200 includes a screw rod 210, a first mounting part 220, a number plate 230 and a second mounting part 240, the first mounting part 220 and the second mounting part 240 are both T-shaped nuts, the first mounting part 220 is fixed to the upper end of the screw rod 210 by a screw thread, the second mounting part 240 is fixed to the lower end of the screw rod 210 by a screw thread, one end of the T-shaped nut with a large outer diameter is located inside the lock body 100, and one end with a small outer diameter is inserted into a shaft hole 180 formed in the lock body 100 and extends out of the lock body 100, so as to rotatably connect the screw rod 210 to the lock body 100, the number plate 230 is sleeved on the first mounting part 220 and is fixedly connected with the first mounting part 220, it can be understood that the number plate 230 can be welded with the first mounting part 220, or the connection portion of the number plate 230 and the first mounting part 220 has a regular polygon structure, that is, the dial 230 is provided with a regular polygonal hole and is sleeved on the regular polygonal cylinder of the first mounting part 220, so that the dial 230 and the second mounting part 240 rotate synchronously, the dial 230 is located inside the lock body 100, the number of the dial 230 is displayed on the window 110, the number on the dial 230 can be observed through the window 110, the second mounting part 240 is used for unlocking the lock bar 120, the rotating screw 210 can change the number displayed on the window 110 and simultaneously change the unlocking position of the second mounting part 240, generally speaking, the numbers corresponding to the unlocking positions of the second mounting part 240 of each number assembly 200 are different, that is, the numbers of the unlocking passwords are different, and the security of the passwords is improved.

Referring to fig. 6, with reference to fig. 9 to 11, in this embodiment, a lock plate 140 is disposed inside a lock body 100, one end of a lock rod 120 is connected to the lock plate 140, the lock rod 120 can rotate relative to the lock plate 140, the lock plate 140 is bent to form a blocking portion 141, the blocking portion 141 is a blocking plate, a second mounting part 240 is provided with an avoiding groove 241 matching with the blocking portion 141, the avoiding groove 241 is a notch structure, when a screw 210 is rotated to make the avoiding groove 241 face the blocking portion 141, the lock plate 140 can move upward, so that the lock rod 120 can move upward, the other end of the lock rod 120 is separated from the lock body 100, so that unlocking can be achieved, when the avoiding groove 241 is misaligned with the blocking portion 141, the lock plate 140 cannot move, and the other end of the lock rod 120 is inserted into the lock body 100, i.e. locking.

Referring to fig. 9, in this embodiment, the lock rod 120 is connected with a return spring 150, the return spring 150 is sleeved on the lock rod 120, one end of the return spring 150 abuts against the lock plate 140, and the other end of the return spring 150 abuts against the inner wall of the lock body 100, after unlocking, under the elastic acting force of the return spring 150, the lock plate 140 can drive the lock rod 120 to automatically return to the original position, so that the number is conveniently shuffled again, and the use is convenient.

Referring to fig. 9, in the present embodiment, two adjacent dials 230 are partially overlapped, so that the internal space of the lock body 100 can be saved, the overall structure of the combination lock is more compact, and the manufacturing cost is reduced.

Referring to fig. 6 and 8, in the present embodiment, a backlight 160 and a battery 170 are disposed in the lock body 100, the backlight 160 is fixed to the lock plate 140, the backlight 160 is electrically connected to the battery 170, the battery 170 supplies power to the backlight 160, and light of the backlight 160 can illuminate the window 110, so that the lock can be unlocked at night or in a dark environment, and the lock is convenient to use.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. A combination lock, comprising:

the lock body (100) is provided with a plurality of windows (110), and the lock body (100) is connected with a lock rod (120);

the number assembly (200) is used for unlocking the lock rod (120), the number assembly (200) is rotatably arranged in the lock body (100), the number assemblies (200) correspond to the windows (110) one by one, and the windows (110) are used for observing the numbers of the number assemblies (200);

the lock body (100) is connected with the lock body (300), the peep-proof component (300) is located on the outer side of the window (110), the peep-proof component (300) is in one-to-one correspondence with the window (110), the peep-proof component (300) circumferentially surrounds the window (110), extends outwards along the normal direction of the window (110), the window (110) can be observed along the axial direction of the peep-proof component (300), and the peep-proof component (300) can block the sight line for observing the window (110) from the side face.

2. A combination lock according to claim 1, wherein: the peep-proof component (300) comprises a bottom plate (310) and a surrounding plate (320), the bottom plate (310) is connected to the lower end of the surrounding plate (320), the outer diameter of the bottom plate (310) is larger than that of the surrounding plate (320), the bottom plate (310) is provided with a first through hole (311), the first through hole (311) is communicated with a space surrounded by the surrounding plate (320), and the first through hole (311) is matched with the window (110).

3. A combination lock according to claim 2, wherein: the peep-proof component (300) is arranged to be an umbrella-shaped nut, the umbrella-shaped portion of the umbrella-shaped nut is the bottom plate (310), and the nut portion of the umbrella-shaped nut is the coaming (320).

4. A combination lock according to claim 2, wherein: the outside of lock body (100) sets up mounting panel (130), mounting panel (130) be provided with bounding wall (320) complex second through-hole (131), bottom plate (310) install in mounting panel (130) with between the surface of lock body (100), bounding wall (320) are worn to locate second through-hole (131).

5. A combination lock according to claim 4, wherein: the second through hole (131) is arranged to be a waist-shaped hole, and the length direction of the waist-shaped hole is arranged along the horizontal direction.

6. A combination lock according to claim 1, wherein: the number assembly (200) comprises a screw rod (210), a first mounting part (220), a number plate (230) and a second mounting part (240), the first mounting part (220) is fixed at the upper end of the screw rod (210) through threaded connection, the second mounting part (240) is fixed at the lower end of the screw rod (210) through threaded connection, the screw rod (210) is connected with the lock body (100) through the first mounting part (220) and the second mounting part (240) in a rotating mode, the number plate (230) is located inside the lock body (100), the number plate (230) is fixedly connected with the first mounting part (220), and the second mounting part (240) is used for opening the lock rod (120).

7. A combination lock according to claim 6, wherein: when the number assemblies (200) are at least two, the number discs (230) of two adjacent number assemblies (200) are partially overlapped.

8. A combination lock according to claim 6, wherein: the lock is characterized in that a lock plate (140) can be movably arranged in the lock body (100), the lock rod (120) is connected with the lock plate (140), a blocking part (141) is arranged on the lock plate (140), and the second installation part (240) is provided with an avoiding groove (241) matched with the blocking part (141).

9. A combination lock according to claim 8, wherein: the lock rod (120) is provided with a return spring (150), one end of the return spring (150) is abutted to the lock body (100), and the other end of the return spring is abutted to the lock plate (140).

10. A combination lock according to claim 1, wherein: a backlight (160) and a battery (170) are arranged in the lock body (100), and the backlight (160) is electrically connected with the battery (170).