CN220539435U

CN220539435U - Clutch device for lockset

Info

Publication number: CN220539435U
Application number: CN202321994035.2U
Authority: CN
Inventors: 张祥义; 刘星
Original assignee: Zhongshan Yaer Electronic Technology Co ltd
Current assignee: Zhongshan Yaer Electronic Technology Co ltd
Priority date: 2023-07-27
Filing date: 2023-07-27
Publication date: 2024-02-27
Anticipated expiration: 2033-07-27

Abstract

The utility model discloses a clutch device for a lockset, which comprises a handle connecting piece, a rod connecting piece and an elastic member, wherein a cavity is arranged on the handle connecting piece, a limiting groove is arranged in the cavity, the rod connecting piece is rotatably arranged in the cavity, and the elastic member is arranged in the limiting groove and matched with the rod connecting piece to provide a reset force for the rod connecting piece.

Description

Clutch device for lockset

Technical Field

The utility model relates to the technical field of locks, in particular to a clutch device for a lock.

Background

In the related art, the rear handle of the lockset is connected with the square shaft connecting piece of the motor through the handle connecting piece, when the motor rotates to open and close the door, the handle can rotate together, and the door frame can be possibly touched by the rotating handle at the moment, so that the lockset or the door frame is damaged, and the door opening and closing experience is poor. To solve the above problems, the existing solutions are:

1. the handle is provided with a pressing mechanism for clutch, namely the handle is in clutch with the motor, but the mechanism on the market is easy to be blocked, and has complex structure and high cost.

Accordingly, there is a need for improvements over existing locks.

Disclosure of Invention

The present utility model aims to solve at least one of the problems of the prior art to a certain extent, and therefore, an object of the present utility model is to propose a clutch device for a lock, which is simple and reliable in structure and low in cost.

The above purpose is achieved by the following technical scheme:

the utility model provides a clutch for tool to lock, includes handle connecting piece, body of rod connecting piece and elastic component, wherein be provided with the cavity on the handle connecting piece be provided with the spacing groove in the cavity, body of rod connecting piece rotationally set up in the cavity, elastic component set up in the spacing groove and with body of rod connecting piece cooperate and are used for body of rod connecting piece provides restoring force.

In some embodiments, a limiting member is disposed in the cavity, a through hole is disposed in the center of the limiting member, the center portion of the rod body connector is rotatably embedded in the through hole, and the limiting groove is formed outside the through hole, on the limiting member, or between the limiting member and a side wall of the cavity.

In some embodiments, the spacing groove includes a first groove portion disposed on the spacing member, a second groove portion disposed between the spacing member and the cavity sidewall.

In some embodiments, an arm extending outward is provided on a central portion of the rod body connector, and an outer end of the arm is engaged with the elastic member.

In some embodiments, a movable member is disposed between the spacing member and the arm, the movable member disposed within the second slot and having an outer diameter greater than a width of the first slot.

In some embodiments, the movable member is a cylinder or a sphere, and the elastic member is a spring or rubber.

In some embodiments, a notch is provided in the stop member that allows the arm to extend outward.

In some embodiments, a cover plate is provided on the spacing member for securing the resilient member within the spacing groove.

In some embodiments, the support arm includes two support arms symmetrically disposed on two sides of the central portion, the two sides of the support arm are respectively provided with the limiting grooves, and each of the limiting grooves is internally provided with the elastic member.

In some embodiments, the handle connector includes a housing and a connecting rod disposed at one end of the housing.

Compared with the prior art, the utility model at least comprises the following beneficial effects:

1. the clutch device for the lockset has the advantages of simple and reliable structure and lower cost.

Drawings

FIG. 1 is a schematic perspective view of a clutch device according to an embodiment;

FIG. 2 is another perspective view of the clutch device of the embodiment;

FIG. 3 is a partially exploded view of the clutch device of the embodiment;

FIG. 4 is an exploded view of the clutch device of the embodiment;

FIG. 5 is a schematic view of the clutch device in an embodiment in which the lever attachment is not rotated;

fig. 6 is a schematic view of the clutch device in a rotating state of the lever body connector in the embodiment.

Detailed Description

The following examples illustrate the utility model, but the utility model is not limited to these examples. Modifications and equivalents of some of the technical features of the specific embodiments of the present utility model may be made without departing from the spirit of the present utility model, and they are all included in the scope of the claimed utility model.

Embodiment one: as shown in fig. 1 to 6, the present embodiment provides a clutch device for a lock, including a handle connector 1, a rod connector 2 and an elastic member 3, wherein a cavity 10 is provided on the handle connector 1, a limit groove 11 is provided in the cavity 10, the rod connector 2 is rotatably disposed in the cavity 10, and the elastic member 3 is disposed in the limit groove 11 and cooperates with the rod connector 2 to provide a restoring force for the rod connector 2.

The clutch device for the lockset is simple and reliable in structure and low in cost.

When the rear handle of the lockset is rotated, the rotation angle of the rear handle is larger, at the moment, the rear handle can overcome the elastic force of the elastic member 3 through the handle connecting piece 1 so as to drive the rod connecting piece 2 to rotate, the rod connecting piece 2 is connected with the driving device, and the lock tongue can be driven to unlock in the rotation process of the rod connecting piece 2;

when the driving device works to drive the rod body connecting piece 2 to rotate for unlocking, the lock tongue can be driven to unlock due to the small rotation angle of the rod body connecting piece 2, the rod body connecting piece 2 can unlock in the process of overcoming the elastic force of the elastic component 3, the rod body connecting piece 2 has a certain rotation allowance in the elastic deformation process of the elastic component 3, namely, the handle connecting piece 1 can not be driven to rotate in the process of rotating for unlocking the rod body connecting piece 2, namely, the rod body connecting piece 2 idles relative to the handle connecting piece 11 in the process.

In this embodiment, the cavity 10 is fixedly provided with the limiting member 4, the center of the limiting member 4 is provided with the through hole 41, the center 21 of the rod body connector 2 is rotatably embedded in the through hole 41, the limiting groove 11 is formed on the outer side of the through hole 41 or on the limiting member 4 or between the limiting member 4 and the side wall of the cavity 10, the structure is simple, the whole connection is compact, the rotation stroke of the rod body connector 2 can be limited by the limiting member 4, the installation of the elastic member 3 and the limitation of the movement stroke of the elastic member 3 can be realized, so that the elastic member 3 and the rod body connector 2 are matched to provide a restoring force for the rod body connector 2, and the stability and reliability of product use are improved.

Further, the limiting groove 11 includes a first groove 111 disposed on the limiting member 4, and a second groove 112 disposed between the limiting member 4 and the side wall of the cavity 10, where the elastic member 3 is limited and fixed by the first groove 111, and the contact fit between the elastic member 3 and the support arm 22 and the deformation space of the elastic member 3 are realized by the second groove 112.

In this embodiment, a support arm 22 extending outwards is disposed on the central portion 21 of the rod body connecting piece 2, and an outer end of the support arm 22 is matched with the elastic member 3, so that the structure is simple, the elastic member 3 contacts with the outer end of the support arm 22 and provides a restoring force for the support arm, and the central portion 21 is driven to rotate and restore by the rotation of the support arm 22.

Preferably, a movable member 5 is disposed between the limiting member 4 and the support arm 22, the movable member 5 is disposed in the second groove 112, and the outer diameter of the movable member 5 is larger than the width of the first groove 111, that is, the movable member 5 is limited to move in the second groove 112, when the driving device works to drive the rod connector 2 to rotate and unlock, the rod connector 2 rotates to drive the movable member 5 to rotate, and when the movable member 5 contacts the first groove 111, the rod connector 2 can drive the lock tongue to unlock, but at this time, the rotation of the rod connector 2 does not drive the handle connector 1 to rotate, that is, in the process, the rod connector 2 idles relative to the handle connector 11, due to the elastic deformation process of the elastic member 3.

Further, the movable member 5 adopts a cylinder or a sphere, the elastic member 3 adopts a spring or rubber, the structure is simple, the design is reasonable and ingenious, the smoothness of the rotation process can be ensured by adopting the cylinder or the sphere as the movable member 5, and the phenomenon of jamming is avoided.

In this embodiment, the notch 42 that can allow the arm 22 to extend outward is provided on the limiting member 4, which has a simple structure, reasonable design, and ingenious design, so that the connection between the limiting member 4 and the rod body connecting piece 2 is more compact.

Preferably, the cover plate 6 is arranged on the limiting member 4 and used for fixing the elastic member 3 in the limiting groove 11, so that the structure is simple, the design is reasonable and ingenious, the situation that the elastic member 3 is separated and ejected can be avoided, and the stability and the reliability of product use can be improved.

More preferably, the support arm 22 includes two symmetrical support arms disposed on two sides of the central portion 21, the two sides of the support arm 22 are respectively provided with the limiting grooves 11, each of the limiting grooves 11 is provided with the elastic member 3, so that the design is reasonable and smart, and the elastic members 3 on two sides of the support arm can provide a restoring force for the rod body connecting piece 2 no matter the rod body connecting piece 2 rotates forward or backward. And because the two sides of the rod body connecting piece 2 are symmetrically stressed, the rod body connecting piece 2 can rotate more stably and smoothly.

In this embodiment, the handle connector 1 includes a housing 101 and a connecting rod 102 disposed at one end of the housing 101, where the handle connector 1 is integrally formed, and has a simple structure, and by adopting the integrally formed handle connector 1, stability and reliability of a product can be improved, and a service life is longer.

What has been described above is merely some embodiments of the present utility model. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit of the utility model.

Claims

1. The utility model provides a clutch for tool to lock, its characterized in that, including handle connecting piece (1), body of rod connecting piece (2) and elastic component (3), wherein be provided with cavity (10) on handle connecting piece (1) be provided with spacing groove (11) in cavity (10), body of rod connecting piece (2) rotationally set up in cavity (10), elastic component (3) set up in spacing groove (11) and with body of rod connecting piece (2) cooperate and are used for body of rod connecting piece (2) provides restoring force.

2. Clutch device for locks according to claim 1, characterized in that a stop member (4) is provided in the cavity (10), a through hole (41) is provided in the centre of the stop member (4), the central part (21) of the rod connector (2) is rotatably embedded in the through hole (41), the stop groove (11) is formed outside the through hole (41), on the stop member (4) or between the stop member (4) and the side wall of the cavity (10).

3. A clutch device for a lock according to claim 2, characterized in that the limit groove (11) comprises a first groove part (111) arranged on the limit member (4), a second groove part (112) arranged between the limit member (4) and the side wall of the cavity (10).

4. A clutch device for a lock according to claim 3, characterized in that a support arm (22) extending outwards is provided on the central part (21) of the lever body connecting piece (2), the outer end of the support arm (22) being fitted with the elastic member (3).

5. A clutch device for a lock according to claim 4, characterized in that a movable member (5) is provided between the limit member (4) and the arm (22), the movable member (5) being provided in the second groove (112) and the outer diameter of the movable member (5) being larger than the width of the first groove (111).

6. A clutch device for a lock according to claim 5, characterized in that the movable member (5) is a cylinder or a sphere and the elastic member (3) is a spring or rubber.

7. A clutch device for a lock according to claim 4, characterized in that a notch (42) is provided in the limit member (4) which allows the arm (22) to extend outwards.

8. A clutch device for a lock according to any one of claims 2 to 7, characterized in that a cover plate (6) is provided on the stop member (4) for securing the elastic member (3) in the stop slot (11).

9. A clutch device for a lock according to any one of claims 4 to 7, characterized in that the arm (22) comprises two arms symmetrically arranged on both sides of the central portion (21), the limit grooves (11) being provided on both sides of the arm (22), the elastic member (3) being provided in each limit groove (11).

10. A clutch device for a lock according to any one of claims 1 to 7, characterized in that the handle connector (1) comprises a housing (101) and a connecting rod (102) arranged at one end of the housing (101).