Hidden code hook lock

Abstract

The utility model discloses a hidden code hook lock, which belongs to the field of screen window locks and door and window locks, is used for locking screen windows and doors and windows, solves the technical problem of larger occupied space caused by exposure of a handle, and comprises a lock body, a handle, a transmission piece and a lock hook, the handle is embedded in the lock body, the transmission piece and the lock hook are arranged in the lock body, the transmission piece is connected with the lock hook, and the lock hook is connected with the handle. The transmission part can drive the handle to do lifting motion relative to the lock body, when the handle ascends from the lock body, the transmission part drives the lock hook to retract into the lock body, and when the handle descends from the lock body, the transmission part drives the lock hook to extend out of the lock body.

Description

Technical Field

[0001] The utility model belongs to the field of screen window locks and door and window locks, and particularly relates to a hidden password hook lock. Background Art

[0002] For the hook locks used on existing screen windows and doors and windows, the handle and the lock body are of an integral structure, and the exposed lock body is used as the handle. Since it is a handle, a handle such as a handle space must be provided. After the lock hook is installed on the screen window and doors and windows, in addition to the assembly dimensions that need to be set for the lock body, additional dimensions for the handle space also need to be set. These additional dimensions occupy the overall dimensions of the screen window and doors and windows, resulting in a waste of space and bringing inconvenience to packaging and transportation. Content of the Utility Model

[0003] The purpose of the utility model is to provide a hidden password hook lock, which realizes an assembly structure of a handle and a lock body that saves assembly space.

[0004] The hidden password hook lock includes a lock body, a handle, a transmission member and a lock hook. The handle is embedded in the lock body. The transmission member and the lock hook are arranged in the lock body. The transmission member is connected to the lock hook. The transmission member can drive the handle to move up and down relative to the lock body. When the handle rises from the lock body, the transmission member drives the lock hook to retract into the lock body. When the handle descends from the lock body, the transmission member drives the lock hook to extend out of the lock body.

[0005] The driving part of the transmission member is slidably connected to the handle through an inclined column.

[0006] The transmission part of the transmission member rotates the lock hook through a guide post.

[0007] The lock body is covered by a bottom plate. The bottom plate is provided with a rotating shaft. The lock hook includes a rotating part and a lock hook part. The lock hook part is arranged below the rotating part. The rotating part is provided with a shaft hole. A chute is arranged on the end face of the shaft hole. The shaft hole is installed on the rotating shaft, and the guide post is installed in the chute.

[0008] The transmission part of the transmission member is provided with a key shaft. A password wheel is sleeved at the end of the key shaft. When the password wheel rotates to the unlocking mark position, the inner hole of the password wheel is matched with the key shaft. When the password wheel rotates to a position other than the unlocking mark, the inner hole of the password wheel is offset from the key shaft.

[0009] The outer edge of the password wheel abuts against the boss hole of the bottom plate through a first ball and a first spring.

[0010] The lock body is provided with an adjustment hole. The transmission part of the transmission member is provided with a mounting hole. A lock core is rotatably mounted corresponding to the adjustment hole and the mounting hole. The mounting hole is provided with a notch mark. The core hole of the lock core is provided with a notch. The end of the lock core is provided with a lock tongue. The bottom plate is provided with a through groove on one side of the guide post. Baffles are provided on both sides of the through groove. When the lock core rotates until the notch is aligned with the notch mark, the lock tongue is clamped to the baffle. When the lock core rotates until the notch is not aligned with the notch mark, the lock tongue is placed in the through groove.

[0011] The transmission part of the transmission member is provided with a receiving groove. The two sides of the lock body are provided with side plates. The side plates are provided with two limit holes. The second spring installed in the receiving groove abuts against the limit holes through the second ball.

[0012] One end of the lock body is installed with a stop head pressed by a third spring.

[0013] The beneficial effects of the present utility model are as follows: The handle realizes the technical effect of being hidden in the lock body when not in use and extending from the lock body when in use through the lifting movement relative to the lock body. When the handle is hidden in the lock body, it does not occupy space, which is convenient for packaging and transportation. Description of the Drawings

[0014] Figure 1 is a three-dimensional view (with a lock base) of the hidden password hook lock of the present utility model;

[0015] Figure 2 is Figure 1 an exploded view of

[0016] Figure 3 is Figure 1 a longitudinal sectional view of Detailed Description of the Preferred Embodiment

[0017] The present utility model will be further described in detail below with reference to the drawings.

[0018] As shown in Figure 1 , 2 , and 3, the hidden password hook lock includes a lock body 1, a handle 2, a transmission member 3, and a lock hook 4. The lock hook 4 cooperates with the lock base 5 to complete locking and unlocking. One end of the lock body 1 is installed with a stop head 7 pressed by a third spring 6. The stop head facilitates the installation of the lock body on the screen window and doors and windows.

[0019] The lock body 1 and the bottom plate 8 are fixed by screws 9 to form an installation cavity. The handle 2 is inserted into the installation cavity from the installation groove 10 of the lock body 1. The transmission member 3 and the lock hook 4 are arranged in the installation cavity. The driving part of the transmission member 3 is slidably connected to the handle 2 through an inclined column 11. The transmission member changes the driving direction by the inclined movement of the inclined column along the handle to enable the handle to move up and down, thereby realizing a hidden structure of the handle, so that the handle will not be exposed outside the lock body, which is convenient for packaging and transportation. The handle is linked with the lock hook, and the structure is reliable, solving the problems of many parts, large lock body structure, and inapplicability of many aluminum profiles.

[0020] The transmission part of the transmission member 3 is provided with a guide post 12 along the depth direction of the installation cavity. The bottom plate 8 is provided with a rotating shaft 13 in the same direction as the guide post 12. The lock hook 4 includes a rotating part 4a and a lock hook part 4b. The lock hook part 4b is arranged below the rotating part 4a. The rotating part 4a is provided with a shaft hole 14 in the same direction as the guide post 12. A chute 15 is arranged on the end face of the shaft hole 14. The shaft hole 14 is installed on the rotating shaft 13, and the guide post 12 is installed in the chute 15. The guide post 12 moves along the chute 15 to drive the rotating part 4a to rotate along the rotating shaft 13, so that the rotating part 4a drives the lock hook part 4b to rotate to hook the lock hole 5a of the lock seat 5.

[0021] The transmission part of the transmission member 3 is provided with a key shaft 16. A password wheel 17 is sleeved at the end of the key shaft 16. The outer edge of the password wheel 17 abuts against the boss hole 8a of the bottom plate 8 through the first ball 18 and the first spring 19. As the password wheel rotates against the first ball, under the elastic pressing action of the first spring, the rotation of the password wheel generates a sense of jerk, enhancing the adjustment feel.

[0022] The lock body 1 is provided with an adjustment hole 20. The transmission part of the transmission member 3 is provided with an installation hole 21. A lock core 22 is rotatably installed corresponding to the adjustment hole 20 and the installation hole 21. The installation hole 21 is provided with a notch mark 21a, and the core hole of the lock core 22 is provided with a notch 22a. The end of the lock core 22 is provided with a lock tongue 22b. The bottom plate 8 is provided with a through groove 23 on one side of the guide post 12. Baffles 24 are arranged on both sides of the through groove 23. The transmission part of the transmission member 3 is provided with a receiving groove 25. Side plates 26 are arranged on both sides of the lock body 1. The side plates 26 are provided with two limit holes 27. The second spring 28 installed in the receiving groove 25 abuts against the limit holes 27 through the second balls 29. As the transmission member abuts against the second balls and moves, the second balls are respectively caught in these two limit holes. Under the elastic pressing action of the second spring, the movement of the transmission member generates a sense of jerk, enhancing the adjustment feel.

[0023] The locking and unlocking processes of this hidden password hook lock are as follows:

[0024] Press the handle 2, the transmission part 3 retracts, the guide post 12 moves along the sliding groove 15, causing the locking hook part 4b to rotate clockwise by 90°, and the locking hook part 4b extends from the lock body 1 and hooks onto the lock hole 5a of the lock base 5, thus locking. Rotate the password wheel 17 to a position where it is not at the unlocking mark 17a, the inner hole 17b of the password wheel 17 is offset from the key shaft 16, and the inner hole 17b of the password wheel 17 cannot pass through the key shaft 16, and the transmission part 3 is locked by the first layer of password; then insert a cross screwdriver into the core hole of the lock core 22 and rotate it until the notch 22a aligns with the notch mark 21a, the lock tongue 22b is clamped to the baffle 24, and the transmission part 3 is locked by the second layer of lock core. The double insurance of the password wheel and the lock core strengthens the safety performance of the lock.

[0025] When the notch 22a of the lock core 22 is not aligned with the notch mark 21a using a cross screwdriver, the lock tongue 22b is placed in the through groove 23, the lock tongue 22b can pass through the through groove 23, and the transmission part 3 can move along the through groove 23, unlocking the first layer. Then rotate the password wheel 17 to the position of the unlocking mark 17a, the inner hole 17b of the password wheel 17 cooperates with the key shaft 16, the inner hole 17b of the password wheel 17 passes through the key shaft 16, and the transmission part 3 can move along the key shaft 16, unlocking the second layer. Pull the push plate 30 towards the password wheel 17 by hand, the transmission part 3 moves towards the password wheel 17, the handle 2 rises, the guide post 12 moves in the reverse direction along the sliding groove 15, causing the locking hook part 4b to rotate counterclockwise by 90°, and the locking hook part 4a disengages from the lock hole 5a of the lock base 5 and retracts into the lock body 1, thus unlocking.

Claims

1. Hidden password hook lock, characterized in that: The invention comprises a lock body (1), a handle (2), a transmission member (3) and a lock hook (4); the handle (2) is embedded in the lock body (1); the transmission member (3) and the lock hook (4) are placed in the lock body (1); the transmission member (3) is connected to the lock hook (4); the transmission member (3) can drive the handle (2) to move up and down relative to the lock body (1); when the handle (2) rises from the lock body (1), the transmission member (3) drives the lock hook (4) to retract into the lock body (1); when the handle (2) falls from the lock body (1), the transmission member (3) drives the lock hook (4) to extend out of the lock body (1).

2. The hidden password hook lock according to claim 1, characterized in that: The driving part of the transmission member (3) is slidably connected to the handle (2) via an inclined column (11).

3. The hidden password hook lock according to claim 1 or 2, characterized in that: The transmission part of the transmission member (3) causes the lock hook (4) to rotate via the guide column (12).

4. The hidden password hook lock according to claim 3, characterized in that: The lock body (1) is covered by a bottom plate (8), the bottom plate (8) is provided with a rotating shaft (13), the lock hook (4) comprises a rotating part (4a) and a lock hook part (4b), the lock hook part (4b) is arranged below the rotating part (4a), the rotating part (4a) is provided with an axial hole (14), the end surface of the axial hole (14) is provided with a slide groove (15), the axial hole (14) is installed on the rotating shaft (13), and the guide column (12) is installed in the slide groove (15).

5. The hidden password hook lock according to claim 4, characterized in that: The transmission part of the transmission member (3) is provided with a key shaft (16), and the end of the key shaft (16) is sleeved with a code wheel (17). When the code wheel (17) rotates to the position of the unlocking mark (17a), the inner hole (17b) of the code wheel (17) matches with the key shaft (16); when the code wheel (17) rotates to the position not at the unlocking mark (17a), the inner hole (17b) of the code wheel (17) is staggered with the key shaft (16).

6. The hidden password hook lock according to claim 5, characterized in that: The outer edge of the code wheel (17) is abutted against the boss hole (8a) of the bottom plate (8) through the first ball (18) and the first spring (19).

7. The hidden combination hook lock according to claim 5, characterized in that: The lock body (1) is provided with an adjustment hole (20), the transmission part of the transmission member (3) is provided with a mounting hole (21), a lock core (22) is rotatably mounted corresponding to the adjustment hole (20) and the mounting hole (21), the mounting hole (21) is provided with a notch mark (21a), the core hole of the lock core (22) is provided with a notch (22a), a lock tongue (22b) is provided at the end of the lock core (22), the bottom plate (8) is provided with a through groove (23) on one side of the guide column (12), baffles (24) are provided on both sides of the through groove (23), when the lock core (22) is rotated until the notch (22a) is aligned with the notch mark (21a), the lock tongue (22b) is clamped on the baffle (24), when the lock core (22) is rotated until the notch (22a) is not aligned with the notch mark (21a), the lock tongue (22b) is placed in the through groove (23).

8. The hidden combination hook lock according to claim 7, characterized in that: The transmission part of the transmission member (3) is provided with a receiving groove (25), the two sides of the lock body (1) are provided with side plates (26), the side plates (26) are provided with two limiting holes (27), and the second spring (28) installed in the receiving groove (25) abuts against the limiting hole (27) through a second ball (29).

9. The hidden password hook lock according to claim 1, characterized in that: A stopper (7) compressed by a third spring (6) is installed at one end of the lock body (1).

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