CN111485763B

CN111485763B - Rotary limiting mechanism for lockset

Info

Publication number: CN111485763B
Application number: CN202010338291.0A
Authority: CN
Inventors: 林从菊; 梁川
Original assignee: Dangtu County Kehui Trading Co Ltd
Current assignee: Shenzhen Hanshengheng Hardware Technology Co ltd
Priority date: 2020-04-26
Filing date: 2020-04-26
Publication date: 2021-02-05
Anticipated expiration: 2040-04-26
Also published as: CN111485763A

Abstract

The invention relates to the technical field of locks and discloses a rotary limiting mechanism for a lock, which comprises a fixed door and a movable door, wherein a first cavity is formed in the fixed door, the bottom of the first cavity is fixedly connected with a placing plate through a plurality of first springs, two first through holes are formed in the placing plate, limiting rods are movably sleeved in the two first through holes respectively, two ends of the two limiting rods are fixedly connected with the upper surface and the lower surface of the first cavity respectively, a limiting mechanism is fixedly arranged on the upper surface of the placing plate, a second cavity is formed in the movable door, a first rotating rod is rotatably connected in the second cavity through two first bearings, a connecting device is fixedly sleeved on the rod wall of the first rotating rod, and a first fixed block is rotatably connected at the right end of the connecting device through a shaft pin. The invention realizes the multi-stage locking of the lockset and improves the safety of the lockset.

Description

Rotary limiting mechanism for lockset

Technical Field

The invention relates to the technical field of locks, in particular to a rotary limiting mechanism for a lock.

Background

The lock is a sealing device, which includes lock, key and its accessories, and is generally interpreted as "sealing device which can be opened by key", besides the lock can be opened by key, it can also be opened by light, electricity, magnetism, sound and fingerprint.

Wherein patent number CN108518131A discloses a rotation type stop device of tool to lock, rotation type stop device includes rotating part, transmission portion and spacing portion, the rotary drive transmission portion back-and-forth movement of rotating part, transmission portion is connected with spacing portion and drives spacing portion back-and-forth movement, spacing portion includes first limit structure to move in-process around and with the cooperation of drive mechanism's second limit structure or separation, drive mechanism is spacing when first limit structure and second limit structure cooperate, but the device has following technical defect when using:

the device realizes opening and shutting of tool to lock through cooperation and separation between first stop gear and the second stop gear when using, but the device can not realize multistage hasp, and the security is lower relatively.

Disclosure of Invention

The invention aims to solve the problems that in the prior art, a lockset cannot realize multi-stage locking, and once the lockset is locked, the multi-stage locking cannot be realized, so that the safety is influenced, and provides a rotary limiting mechanism for the lockset.

In order to achieve the purpose, the invention adopts the following technical scheme:

a rotary limiting mechanism for a lockset comprises a fixed door and a movable door, wherein a first cavity is formed in the fixed door, a placing plate is fixedly connected to the bottom of the first cavity through a plurality of first springs, two first through holes are formed in the placing plate, limiting rods are movably sleeved in the two first through holes respectively, two ends of each limiting rod are fixedly connected with the upper surface and the lower surface of the first cavity respectively, a limiting mechanism is fixedly arranged on the upper surface of the placing plate, a second cavity is formed in the movable door, a first rotating rod is rotatably connected to the inside of the second cavity through two first bearings, a connecting device is fixedly sleeved on the rod wall of the first rotating rod, the right end of the connecting device is rotatably connected with a first fixed block through a shaft pin, an arc-shaped rod is fixedly connected to the right end of the first fixed block, a plurality of first ratchets are fixedly arranged on the inner side of the upper end rod wall of the arc-shaped rod, the lateral wall of second cavity has seted up the arc cavity, and the lateral wall that drives the arc cavity has seted up the bar mouth, arc pole and arc cavity sliding connection.

Preferably, stop gear is including fixed the second fixed block that sets up in placing the board upper surface, the upper surface of placing the board rotates through the second bearing and is equipped with the second bull stick, the pole wall of second bull stick is fixed to be cup jointed second ratchet tooth, the spout has been seted up in the left side of second fixed block, the right-hand member of second ratchet tooth set up in the inside of spout and with the spout phase-match, the fixed second spring that is equipped with of lateral wall of second ratchet tooth, the right-hand member and the second fixed block fixed connection of second spring, stop gear is fixed to be equipped with four.

Preferably, the connecting device comprises a third rotating rod fixedly sleeved on the wall of the first rotating rod, a third cavity is formed in the third rotating rod, a third spring is fixedly arranged in the third cavity, the right end of the third spring is fixedly connected with a connecting rod through a limiting block, and the right end of the connecting rod penetrates through the third cavity and is fixedly connected with the shaft pin.

Preferably, the right side wall of the placing plate is fixedly provided with a pressing rod, the right end of the pressing rod penetrates through the fixed door, extends outwards and is movably sleeved with the fixed door, and the right end of the pressing rod is fixedly provided with a pressing plate.

Preferably, the right side of the upper end of the first cavity and the left side of the upper end of the second cavity are respectively provided with a second through hole, and the arc-shaped rod and the first ratchet tooth are matched with the two second through holes.

Preferably, the first rotating rod penetrates through the movable door, extends outwards and is rotatably connected with the movable door, and a key hole is formed in the first rotating rod.

Compared with the prior art, the invention provides a rotary limiting mechanism for a lockset, which has the following beneficial effects:

1. this layered lock utensil that cuts efficiency is high through setting up in the clamp plate of depression bar right-hand member, can realize placing the board through pressing the clamp plate and drive stop device and first ratchet tooth dislocation, is convenient for open the tool to lock.

2. This layered lock utensil that cutting efficiency is high through setting up in the inside key hole of first bull stick, is convenient for rotate first bull stick through the key and drives the arc pole and insert the inside that corresponds the second cavity, realizes locking to the tool to lock.

The parts not involved in the device are the same as or can be realized by adopting the prior art, the multi-stage locking of the lockset is realized, and the safety of the lockset is improved.

Drawings

FIG. 1 is a schematic structural view of a rotary position-limiting mechanism for a lock according to the present invention;

fig. 2 is a side cross-sectional structural view of the fixing plate of fig. 1;

FIG. 3 is an enlarged view of a portion A of FIG. 1;

fig. 4 is an enlarged view of a portion B of fig. 1.

In the figure: the movable door comprises a fixed door 1, a movable door 2, a first spring 3, a placing plate 4, a limiting rod 5, a first rotating rod 6, a first fixing block 7, an arc-shaped rod 8, a first ratchet tooth 9, a second fixing block 10, a second rotating rod 11, a second ratchet tooth 12, a second spring 13, a third rotating rod 14, a third spring 15, a limiting block 16, a connecting rod 17, a pressing rod 18 and a pressing plate 19.

Detailed Description

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 only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-4, a rotary limiting mechanism for a lockset, comprises a fixed door 1 and a movable door 2, wherein a first cavity is arranged inside the fixed door 1, the bottom of the first cavity is fixedly connected with a placing plate 4 through a plurality of first springs 3, two first through holes are arranged inside the placing plate 4, limiting rods 5 are movably sleeved inside the two first through holes respectively, two ends of the two limiting rods 5 are fixedly connected with the upper surface and the lower surface of the first cavity respectively, a limiting mechanism is fixedly arranged on the upper surface of the placing plate 4, a second cavity is arranged inside the movable door 2, a first rotating rod 6 is rotatably connected inside the second cavity through two first bearings, a connecting device is fixedly sleeved on the rod wall of the first rotating rod 6, the right end of the connecting device is rotatably connected with a first fixing block 7 through a shaft pin, and an arc-shaped rod 8 is fixedly connected on the right end of the first fixing block 7, a plurality of first ratchet teeth 9 are fixedly arranged on the inner side of the upper end rod wall of the arc-shaped rod 8, an arc-shaped cavity is formed in the side wall of the second cavity, a strip-shaped opening is formed in the side wall which drives the arc-shaped cavity, and the arc-shaped rod 8 is connected with the arc-shaped cavity in a sliding mode.

Stop gear is including fixed the second fixed block 10 that sets up in placing 4 upper surfaces of board, the upper surface of placing 4 board rotates through the second bearing and is equipped with second bull stick 11, second ratchet tooth 12 has been cup jointed to the pole wall of second bull stick 11 fixed, the spout has been seted up in the left side of second fixed block 10, the right-hand member of second ratchet tooth 12 set up in the inside of spout and with the spout phase-match, avoid second ratchet tooth 12 clockwise turning, the fixed second spring 13 that is equipped with of lateral wall of second ratchet tooth 12, the right-hand member and the 10 fixed connection of second fixed block of second spring 13, stop gear is fixed to be equipped with four, realize the multistage hasp of tool to lock.

Connecting device is including fixed cover and connect in the third bull stick 14 of 6 pole walls of first bull stick, and the third cavity has been seted up to the inside of third bull stick 14, and the inside of third cavity is fixed and is equipped with third spring 15, and the right-hand member of third spring 15 passes through stopper 16 fixedly connected with connecting rod 17, and the right-hand member of connecting rod 17 runs through the third cavity and with pivot fixed connection.

The fixed depression bar 18 that is equipped with of right side wall of placing board 4, the right-hand member of depression bar 18 run through fixed door 1 and outwards extend and cup joint with fixed door 1 activity, and the fixed clamp plate 19 that is equipped with of right-hand member of depression bar 18 is convenient for realize pressing to placing the board through clamp plate 19 and depression bar 18.

Second through holes are formed in the right side of the upper end of the first cavity and the left side of the upper end of the second cavity respectively, the arc-shaped rod 8 and the first ratchet teeth 9 are matched with the two second through holes, and locking of the lockset is achieved conveniently through matching of the first ratchet teeth 9 and the second ratchet teeth 12.

First bull stick 6 runs through dodge gate 2 and outwards extends and rotate with dodge gate 2 and be connected, and the key hole has been seted up to the inside of first bull stick 6, and the key of being convenient for drives the rotation of third bull stick 14 through first bull stick 6.

In the invention, when the key is used, the key is inserted into a key hole in the first rotating rod 6, the key is rotated, the key drives the first rotating rod 6 to rotate, the first rotating rod 6 drives the third rotating rod 14 to rotate, the third rotating rod 14 drives the connecting rod 17 to rotate, the connecting rod 17 drives the arc-shaped rod 8 to rotate, the arc-shaped rod 8 is conveniently inserted into a first cavity in the fixed door 1, the first ratchet teeth 9 extrude the second ratchet teeth 12 after the arc-shaped rod 8 is inserted into the first cavity, the second ratchet teeth 12 extrude the second spring 13, the second ratchet teeth 12 rebound through the elasticity of the second spring 13 after the first ratchet teeth 9 move to the lower side of the second ratchet teeth 12, the clamping connection between the first ratchet teeth 9 and the second ratchet teeth 12 is realized, when the unlocking is required, the pressing plate 19 is pressed, the pressing plate 19 extrudes the pressing rod 18, the pressing rod 18 extrudes the placing plate 4, the placing plate 4 drives the second ratchet teeth 12 to move downwards to realize the dislocation with the first teeth 9, the key is rotated reversely, and the key drives the arc-shaped rod 8 to return to the inside of the first cavity through the first rotating rod 6, so that unlocking is completed.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. A rotary limiting mechanism for a lockset comprises a fixed door (1) and a movable door (2), and is characterized in that a first cavity is formed in the fixed door (1), the bottom of the first cavity is fixedly connected with a placing plate (4) through a plurality of first springs (3), two first through holes are formed in the placing plate (4), limiting rods (5) are movably sleeved in the two first through holes respectively, two ends of the two limiting rods (5) are fixedly connected with the upper surface and the lower surface of the first cavity respectively, a limiting mechanism is fixedly arranged on the upper surface of the placing plate (4), a second cavity is formed in the movable door (2), a first rotating rod (6) is rotatably connected in the second cavity through two first bearings, a connecting device is fixedly sleeved on the rod wall of the first rotating rod (6), and a first fixed block (7) is rotatably connected at the right end of the connecting device through a shaft pin, an arc-shaped rod (8) is fixedly connected to the right end of the first fixing block (7), a plurality of first ratchet teeth (9) are fixedly arranged on the inner side of the upper end rod wall of the arc-shaped rod (8), an arc-shaped cavity is formed in the side wall of the second cavity, a strip-shaped opening is formed in the side wall of the arc-shaped cavity, and the arc-shaped rod (8) is connected with the arc-shaped cavity in a sliding mode;

stop gear is including fixed second fixed block (10) that sets up in placing board (4) upper surface, the upper surface of placing board (4) rotates through the second bearing and is equipped with second bull stick (11), second ratchet tooth (12) have been cup jointed to the pole wall of second bull stick (11) fixed, the spout has been seted up in the left side of second fixed block (10), the right-hand member of second ratchet tooth (12) set up in the inside of spout and with the spout phase-match, the lateral wall of second ratchet tooth (12) is fixed and is equipped with second spring (13), the right-hand member and second fixed block (10) fixed connection of second spring (13), stop gear is fixed and is equipped with four.

2. The rotary limiting mechanism for the lock according to claim 1, wherein the connecting device comprises a third rotating rod (14) fixedly sleeved on the rod wall of the first rotating rod (6), a third cavity is formed inside the third rotating rod (14), a third spring (15) is fixedly arranged inside the third cavity, a connecting rod (17) is fixedly connected to the right end of the third spring (15) through a limiting block (16), and the right end of the connecting rod (17) penetrates through the third cavity and is fixedly connected with the shaft pin.

3. The rotary limiting mechanism for the lockset according to claim 1, wherein a pressure bar (18) is fixedly arranged on the right side wall of the placing plate (4), the right end of the pressure bar (18) penetrates through the fixed door (1), extends outwards and is movably sleeved with the fixed door (1), and a pressure plate (19) is fixedly arranged at the right end of the pressure bar (18).

4. The rotary limiting mechanism for the lockset as claimed in claim 1, wherein the right side of the upper end of the first cavity and the left side of the upper end of the second cavity are respectively provided with a second through hole, and the arc-shaped rod (8) and the first ratchet tooth (9) are matched with the two second through holes.

5. The rotary limiting mechanism for the lockset as claimed in claim 1, wherein the first rotating rod (6) penetrates through the movable door (2), extends outwards and is rotatably connected with the movable door (2), and a keyhole is formed inside the first rotating rod (6).