CN220686996U

CN220686996U - Door lock with limiting mechanism

Info

Publication number: CN220686996U
Application number: CN202322170445.1U
Authority: CN
Inventors: 王能
Original assignee: Shanxi Fenghong Industrial Co ltd
Current assignee: Shanxi Fenghong Industrial Co ltd
Priority date: 2023-08-14
Filing date: 2023-08-14
Publication date: 2024-03-29
Anticipated expiration: 2033-08-14

Abstract

The utility model relates to the technical field of door locks, in particular to a door lock with a limiting mechanism, which comprises a door lock, a lock cylinder, a thumb wheel and a limiting structure, wherein the lock cylinder is arranged in the door lock, the thumb wheel is rotationally connected in the middle of the lock cylinder, and the limiting structure is arranged at the top of the lock cylinder; the utility model is provided with the limit structure, the handle is pulled forward, the limit plate I is not clamped with the door lock any more, the handle is rotated, the handle drives the gear II to rotate, the gear II rotates to drive the gear I to rotate, the gear drives the threaded rod to rotate, the threaded rod drives the sliding seat to move downwards, and the sliding seat drives the limit buckle to move downwards, so that the rotation of the thumb wheel is limited by the limit buckle, the door lock is prevented from being opened by limiting the rotation of the thumb wheel, the safety of the door lock is improved, and the door lock is convenient and quick to use; the handle is arranged, so that a user can conveniently rotate the door lock, and the front side of the door lock is provided with the groove, so that the handle can be hidden in the groove when not in use, the use is convenient and quick, and the attractive appearance is ensured.

Description

Door lock with limiting mechanism

Technical Field

The utility model relates to the technical field of door locks, in particular to a door lock with a limiting mechanism.

Background

Door locks are, as the name suggests, devices used to lock a door to prevent others from opening the door. The door locks are classified into a plurality of types, and the door locks are required to be different in various occasions, so that the common household antitheft door locks are high in safety and low in price.

However, the conventional door lock limiting mechanism cannot limit the rotation of the thumb wheel, and the limiting mechanism is complex and costly, so a door lock with the limiting mechanism is needed to solve the above problems.

Disclosure of Invention

In order to overcome the above technical problems, an objective of the present utility model is to provide a door lock with a limiting mechanism, so as to solve the problem that the limiting mechanism proposed in the above background art cannot limit the rotation of the thumb wheel.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a lock with stop gear, includes lock, lock core, thumb wheel and limit structure, install the lock core in the lock, rotate in the middle of the lock core and connect the thumb wheel, limit structure is installed at the lock core top.

Preferably, the limit structure comprises a limit buckle, a limit rod, a sliding seat, a threaded rod, a first gear, a second gear, a limit groove, a rotary rod, a first limit plate, a second limit plate, a first hinge support, a rotary shaft, a second hinge support and a handle.

Preferably, the top sliding connection limit buckle of lock core, limit buckle is the U-shaped, the equal fixed connection gag lever post of both sides around the limit buckle, the spout has been seted up in the lock, the spout sliding connection gag lever post of lock.

Preferably, the right side fixed connection sliding seat of spacing buckle, sliding seat threaded connection threaded rod, the bottom fixed connection gear of threaded rod is first, the bottom of lock rotation connection threaded rod, gear one interlock gear two.

Preferably, a limiting groove is formed in the second gear, the second gear is connected with a rotary rod in a sliding mode, the rotary rod is connected with the door lock in a rotating mode, the rotary rod is connected with the door lock in a sliding mode, and the rear side of the rotary rod is fixedly connected with the first limiting plate.

Preferably, the first limiting plate is connected with the limiting groove in a sliding mode, a clamping groove is formed in the door lock, the clamping groove of the door lock is clamped with the first limiting plate, the front side of the rotating rod is fixedly connected with the second limiting plate, and the front side of the second limiting plate is fixedly connected with the first hinge support.

Preferably, the hinge support is rotatably connected with the rotating shaft, the rotating shaft is rotatably connected with the hinge support II, the front side of the hinge support II is fixedly connected with the handle, the front side of the door lock is provided with a groove, and the groove of the door lock is slidably connected with the handle.

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

this lock with stop gear is provided with limit structure, pulls the handle forward, makes limiting plate one no longer joint lock, and rotatory handle makes handle drive gear two rotate, and gear two rotates and drives gear one and rotate, and gear one drives the threaded rod and rotate, and the threaded rod drives the sliding seat and moves down, and the sliding seat drives spacing buckle and moves down to the rotation through spacing buckle restriction thumb wheel prevents that the lock from being opened through the rotation of restriction thumb wheel, has improved the security of lock, and convenient to use is swift.

2. This lock with stop gear is provided with the handle, and rotatory handle makes its level, and forward pulling handle, handle drive rotary rod move forward, and the setting of handle can the person of facilitating the use rotate, and the lock front side is seted up flutedly, can hide in the recess when making the handle not use, convenient to use is swift, has guaranteed the pleasing to the eye of appearance.

Drawings

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

FIG. 2 is a schematic view of a lock cylinder of the present utility model;

FIG. 3 is a schematic side view of the limit clip of the present utility model in cross-section when it is raised;

FIG. 4 is a schematic side view of the limiting buckle of the present utility model in a lowered state;

fig. 5 is an exploded view of the limit structure of the present utility model.

In the figure: 1. a door lock; 2. a lock core; 3. a thumb wheel; 4. a limit structure; 41. limiting buckle; 42. a limit rod; 43. a sliding seat; 44. a threaded rod; 45. a first gear; 46. a second gear; 47. a limit groove; 48. a rotating rod; 49. a first limiting plate; 410. a limiting plate II; 411. a hinge support I; 412. a rotating shaft; 413. a hinge support II; 414. a handle.

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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, an embodiment of the present utility model is provided: the utility model provides a lock with stop gear, includes lock 1, lock core 2, thumb wheel 3 and limit structure 4, install lock core 2 in the lock 1, the thumb wheel 3 is connected in the middle of the lock core 2 rotation, limit structure 4 is installed at lock core 2 top.

The limiting structure 4 comprises a limiting buckle 41, a limiting rod 42, a sliding seat 43, a threaded rod 44, a first gear 45, a second gear 46, a limiting groove 47, a rotating rod 48, a first limiting plate 49, a second limiting plate 410, a first hinge support 411, a rotating shaft 412, a second hinge support 413 and a handle 414.

The top sliding connection limit buckle 41 of lock core 2, limit buckle 41 is the U-shaped, the equal fixed connection gag lever post 42 of both sides around limit buckle 41, the spout has been seted up in the lock 1, the spout sliding connection gag lever post 42 of lock 1.

The right side of the limiting buckle 41 is fixedly connected with a sliding seat 43, the sliding seat 43 is in threaded connection with a threaded rod 44, the bottom of the threaded rod 44 is fixedly connected with a first gear 45, the door lock 1 is rotationally connected with the bottom of the threaded rod 44, and the first gear 45 is meshed with a second gear 46.

The second gear 46 is internally provided with a limit groove 47, the second gear 46 is slidably connected with a rotary rod 48, the rotary rod 48 is rotatably connected with the door lock 1, the rotary rod 48 is slidably connected with the door lock 1, and the rear side of the rotary rod 48 is fixedly connected with a limit plate I49.

The first limiting plate 49 is slidably connected with the limiting groove 47, a clamping groove is formed in the door lock 1, the clamping groove of the door lock 1 is clamped with the first limiting plate 49, the front side of the rotating rod 48 is fixedly connected with the second limiting plate 410, and the front side of the second limiting plate 410 is fixedly connected with the first hinge support 411.

The hinge support one 411 is rotatably connected with the rotating shaft 412, the rotating shaft 412 is rotatably connected with the hinge support two 413, the front side of the hinge support two 413 is fixedly connected with the handle 414, the front side of the door lock 1 is provided with a groove, and the groove of the door lock 1 is slidably connected with the handle 414.

Working principle:

when the door lock is used, the handle 414 is rotated to enable the handle 414 to be horizontal, the handle 414 drives the rotary rod 48 to move forwards, the first limiting plate 49 is not clamped with the door lock 1 any more, the handle 414 is rotated, the handle 414 drives the rotary rod 48 to rotate, the rotary rod 48 drives the second gear 46 to rotate through the first limiting plate 49, the second gear 46 drives the first gear 45 to rotate, the first gear 45 drives the threaded rod 44 to rotate, the limiting rod 42 limits the limiting buckle 41 to move up and down only, the threaded rod 44 drives the sliding seat 43 to move downwards, and the sliding seat 43 drives the limiting buckle 41 to move downwards.

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 lock with stop gear, includes lock (1), lock core (2), thumb wheel (3) and limit structure (4), its characterized in that: lock core (2) are installed in lock (1), thumb wheel (3) are connected in the middle of lock core (2) rotation, limit structure (4) are installed at lock core (2) top, limit structure (4) are including spacing buckle (41), gag lever post (42), sliding seat (43), threaded rod (44), first gear (45), gear two (46), spacing groove (47), rotary rod (48), limiting plate one (49), limiting plate two (410), hinge support one (411), pivot (412), hinge support two (413) and handle (414), the top sliding connection limit buckle (41) of lock core (2), limit buckle (41) are the U-shaped, all fixed connection gag lever post (42) in the front and back both sides of limit buckle (41), the spout has been seted up in lock (1), spout sliding connection gag lever post (42) of lock (1), the right side fixed connection sliding seat (43) of limit buckle (41), threaded rod (44) are connected to sliding seat (43), the bottom fixed connection gear one (44) of threaded rod (44), gear two (45) are connected to the bottom of lock (46), the door lock is characterized in that a limiting groove (47) is formed in the gear II (46), the gear II (46) is connected with the rotating rod (48) in a sliding mode, the rotating rod (48) is connected with the door lock (1) in a rotating mode, the rotating rod (48) is connected with the door lock (1) in a sliding mode, the rear side of the rotating rod (48) is fixedly connected with a limiting plate I (49), the limiting plate I (49) is connected with the limiting groove (47) in a sliding mode, a clamping groove is formed in the door lock (1), the clamping groove of the door lock (1) is clamped with the limiting plate I (49), the front side of the rotating rod (48) is fixedly connected with a limiting plate II (410), the front side of the limiting plate II (410) is fixedly connected with a hinge support I (411), the rotating shaft (412) is connected with the hinge support II (413) in a rotating mode, a front side of the hinge support II (413) is fixedly connected with a handle (414), and the front side of the door lock (1) is provided with a groove.