CN216446699U

CN216446699U - Puzzle lock

Info

Publication number: CN216446699U
Application number: CN202122876111.7U
Authority: CN
Inventors: 黄发明
Original assignee: Jiangmen Zhenjian Hardware Technology Co ltd
Current assignee: Jiangmen Zhenjian Hardware Technology Co ltd
Priority date: 2021-11-23
Filing date: 2021-11-23
Publication date: 2022-05-06
Anticipated expiration: 2031-11-23

Abstract

The utility model discloses a coded lock, which comprises a panel, a switch board, a bottom cover and a digital coded wheel, wherein the panel and the bottom cover are arranged into an inner cavity, the switch board is arranged in the inner cavity, the digital coded wheel is embedded into the inner cavity from the panel, the digital coded wheel limits the switch board through a sliding piece, and the switch board is provided with a locking piece. The utility model has simple operation, safety and reliability.

Description

Puzzle lock

Technical Field

The utility model belongs to the field of coded locks, and particularly relates to a universal coded lock for sliding doors and windows, casement doors and windows, and frame-in-frame doors and windows.

Background

At present, the lockset widely applied to sliding doors and windows, casement doors and windows and frame-in-frame doors and windows does not have a password locking function, and is mainly unlocked by a key or a wrench, but the key or the wrench is separated from the lockset and is easy to lose; in particular, the children who change skins are easy to unlock with keys or wrenches, and potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a coded lock which is safe, reliable and convenient to use.

According to one aspect of the utility model, the coded lock comprises a panel, a switch plate, a bottom cover and a digital code wheel, wherein the panel and the bottom cover are installed into an inner cavity, the switch plate is arranged in the inner cavity, the digital code wheel is embedded into the inner cavity from the panel, the digital code wheel limits the switch plate through a sliding piece, and the switch plate is provided with a locking piece.

Further, the slider includes sliding shaft and password axle, the sliding shaft is installed in the switch board, the sliding shaft passes password axle and key-type connection along the axial, the digital password wheel cup joints in the password axle, the outer lane of digital password wheel is equipped with the digit tooth, and the inner circle that one of them digit tooth corresponds is equipped with a pair of locking tooth.

Furthermore, a first spring and a top ball are vertically installed at one end of the switch board, and a positioning hole matched with the top ball is formed in the bottom cover.

Furthermore, the bottom of panel is installed to keep off head and second spring along length direction, the other end of second spring pressure switch board.

Furthermore, the panel is provided with an operation hole, and the switch board is provided with a handle which extends out of the operation hole.

Furthermore, the locking piece is a pair of straight tongues, the straight tongues are mounted on the switch board at intervals, the switch board is provided with a chute for the straight tongues to rotate, and each straight tongue is mounted on the chute through a guide pillar.

Furthermore, the locking piece is a pair of coupler tongues, the pair of coupler tongues are mounted on the switch board at intervals, the switch board is provided with a sliding groove used for rotation of the coupler tongues, and each coupler tongue is mounted on the sliding groove through a guide pillar.

Furthermore, the locking piece is a straight tongue, the straight tongue is installed on the switch board, the switch board is provided with a chute for the straight tongue to rotate, and the straight tongue is installed on the chute through a guide pillar.

Furthermore, the locking piece is a coupler knuckle, the coupler knuckle is mounted on the switch board, the switch board is provided with a sliding groove used for rotation of the coupler knuckle, and the coupler knuckle is mounted on the sliding groove through a guide pillar.

The utility model has the beneficial effects that: the digital teeth of the digital password wheel are shifted, and the password shaft is locked through the locking teeth, so that the sliding of the sliding shaft and the switch plate is limited, the unlocking and unlocking purposes are achieved, and the whole process is simple to operate, safe and reliable.

Drawings

FIG. 1 is a perspective view of a combination lock of the present invention (including a pair of straight tongues);

fig. 2 is an exploded view of the combination lock of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1 and 2, the coded lock comprises a panel 1, a switch board 14, a bottom cover 6 and a digital coded wheel 4, wherein the panel 1 and the bottom cover 6 are fixed through a screw 16 after being covered, an inner cavity is formed between the panel 1 and the bottom cover 6, the switch board 14 is arranged in the inner cavity, the switch board 14 is provided with an unlocking mark 7 and a locking mark 11, the digital coded wheel 4 is embedded into the inner cavity from the panel 1, the digital coded wheel 4 limits the switch board 14 through a sliding part, and the switch board 14 is provided with a locking part.

The slider includes sliding shaft 5 and password axle 3, and sliding shaft 5 installs in switch board 14, and sliding shaft 5 passes password axle 3 and key-type connection along the axial, and digital password wheel 4 cup joints in password axle 3, and the outer lane of digital password wheel 4 is equipped with the digit tooth, and the inner circle that one of them digit tooth corresponds is equipped with a pair of locking tooth. The first spring 20 and the top ball 17 are vertically installed at one end of the switch board 14, and the bottom cover 6 is provided with a positioning hole 21 matched with the top ball 17. The stopper 8 and the second spring 18 are installed at the bottom of the panel 1 along the length direction, and the second spring 18 presses the other end of the switch board 14. The panel 1 is provided with an operation hole 22, the switch board 14 is provided with a handle 15, and the handle 15 extends from the operation hole 22.

The locking member may be a pair of

straight tongues

2 and 12, the pair of straight tongues being mounted to the switch plate 14 at intervals, the switch plate 14 being provided with a sliding slot for rotation of the straight tongues, each straight tongue being mounted to the sliding slot by a guide post 23.

The locking member may also be a pair of hooks 10 and 9, the pair of hooks being mounted to the switch plate 14 at intervals, the switch plate 14 being provided with a sliding slot for rotation of the hooks, each hook being mounted to the sliding slot by a guide post.

The locking piece can also be a straight tongue 19 which is arranged on the switch board 14, the switch board 14 is provided with a sliding groove for the rotation of the straight tongue, and the straight tongue is arranged on the sliding groove through a guide post.

The locking piece can also be a coupler knuckle 13 which is arranged on a switch board 14, the switch board 14 is provided with a sliding groove for rotation of the coupler knuckle, and the coupler knuckle is arranged on the sliding groove through a guide pillar.

The operation principle of locking and unlocking the combination lock will be described below with an embodiment of a pair of straight tongues.

And (3) locking: the handle 15 is pushed to one side of the locking mark 11, so that the switch plate 14 slides to one side of the locking mark 11, the switch plate 14 drives the left straight tongue 2 and the right straight tongue 12, the guide posts 23 of the left straight tongue 2 and the right straight tongue 12 slide along the sliding grooves of the switch plate 14, namely, the guide posts rotate 90 degrees from inside to outside, and meanwhile, the switch plate 14 drives the sliding shaft 5, so that the sliding shaft 5 slides outwards from the inner hole of the password shaft 3; when the stroke reaches the end, the first spring 20 forces the top ball 17 to slide into the positioning hole 21 of the bottom cover to be positioned. The number code wheel 4 is rotated to ensure that the number 6 digit tooth is not aligned with the delta mark 24 of the panel 1, the locking tooth locks the code shaft 3, thereby locking the sliding shaft 5 and the switch board 14, and at the moment, the locking is completed, and the handle is locked and cannot be opened.

An unlocking process: aligning the No. 6 digital tooth of the digital code wheel 4 with the delta mark 24 (the number 6 is an unlocking code) of the panel 1, namely aligning the locking tooth with the No. 6 digital tooth, and firstly acquiring the unlocking of the digital code wheel 4; the handle 15 is pushed to one side of the unlocking mark 7, so that the switch plate 14 slides to one side of the unlocking mark 7, the switch plate 14 drives the left straight tongue 2 and the right straight tongue 12, guide posts of the left straight tongue 2 and the right straight tongue 12 slide along a sliding groove of the switch plate 14, namely, the guide posts rotate 90 degrees from outside to inside, and meanwhile, the switch plate 14 drives the sliding shaft 5, so that the sliding shaft 5 slides towards the outside of an inner hole of the password shaft 3; when the travel reaches the end point, the left straight tongue 2 and the right straight tongue 12 are completely retracted into the panel 1, and the window sash which is locked by the left straight tongue 2 and the right straight tongue 12 is unlocked and opened.

What has been described above are merely some embodiments of the present invention. It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the inventive concept thereof, and these changes and modifications can be made without departing from the spirit and scope of the utility model.

Claims

1. The coded lock is characterized by comprising a panel (1), a switch board (14), a bottom cover (6) and a digital coded wheel (4), wherein the panel (1) and the bottom cover (6) are installed into an inner cavity, the switch board (14) is arranged in the inner cavity, the digital coded wheel (4) is embedded into the inner cavity from the panel (1), the digital coded wheel (4) is limited by the switch board (14) through a sliding part, and a locking piece is arranged on the switch board (14).

2. The coded lock according to claim 1, characterized in that the sliding part comprises a sliding shaft (5) and a coded shaft (3), the sliding shaft (5) is mounted on the switch board (14), the sliding shaft (5) axially penetrates through the coded shaft (3) and is in key connection with the coded shaft, the digital coded wheel (4) is sleeved on the coded shaft (3), the outer ring of the digital coded wheel (4) is provided with digital teeth, and the inner ring corresponding to one of the digital teeth is provided with a pair of locking teeth.

3. The combination lock of claim 2, wherein the switch plate (14) is vertically provided with a first spring (20) and a top ball (17) at one end, and the bottom cover (6) is provided with a positioning hole (21) matched with the top ball (17).

4. A combination lock according to claim 3, wherein the bottom of the face plate (1) is provided with a stopper (8) and a second spring (18) along the length direction, and the second spring (18) presses the other end of the switch plate (14).

5. A combination lock according to claim 4, wherein the face plate (1) is provided with an operation hole (22), and the switch plate (14) is provided with a pull tab (15), the pull tab (15) protruding from the operation hole (22).

6. A combination lock according to any one of claims 1 to 5, wherein the locking member is a pair of straight tongues, the pair of straight tongues being mounted to the switch plate (14) at spaced intervals, the switch plate (14) being provided with a runner for rotation of the straight tongues, each straight tongue being mounted to the runner by a guide post.

7. A combination lock according to any one of claims 1 to 5, wherein the locking member is a pair of fingers which are mounted at spaced intervals to the switch plate (14), the switch plate (14) being provided with a runner for rotation of the fingers, each finger being mounted to the runner by a guide post.

8. A combination lock according to any of claims 1 to 5, wherein the locking member is a straight tongue, the straight tongue being mounted to the switch plate (14), the switch plate (14) being provided with a runner for rotation of the straight tongue, the straight tongue being mounted to the runner by a guide post.

9. A combination lock according to any of claims 1 to 5, wherein the locking member is a hook tongue, the hook tongue being mounted to the switch plate (14), the switch plate (14) being provided with a runner for rotation of the hook tongue, the hook tongue being mounted to the runner by a guide post.