CN209837960U

CN209837960U - Handle and square shaft locking device

Info

Publication number: CN209837960U
Application number: CN201920152235.0U
Authority: CN
Inventors: 梁健坤; 麦业来
Original assignee: Zhongshan Yijia Security Technology Co Ltd
Current assignee: Guangdong Yijia Security Technology Co.,Ltd.
Priority date: 2019-01-28
Filing date: 2019-01-28
Publication date: 2019-12-24
Anticipated expiration: 2029-01-28

Abstract

The utility model provides a locking device of handle and square shaft, includes handle and square shaft, and the handle includes barrel portion and handle portion, its characterized in that: the barrel body part comprises a rotating cavity, a guide cavity and a motor cavity, and at least two axial guide grooves are formed in the guide cavity; the clutch device comprises a motor, a sub clutch block and a mother clutch block, wherein the sub clutch block comprises a plurality of teeth arranged at one end and axial protrusions arranged on the outer circumferential surface; the motor is fixed in the motor cavity, the sub-clutch block is arranged in the guide cavity, and the axial bulge is in sliding fit with the axial guide groove; the round head part is arranged in the guide cavity, the rod part is in rotating fit with the rotating cavity, and the end part of the rod part is fixedly connected with the square shaft; the motor drives the sub-clutch block to move back and forth, the teeth are meshed with the tooth grooves or the sub-clutch block is separated from the tooth grooves to move back and forth, so that the engagement or separation with the clutch block is realized, the locking or separation of the handle and the square shaft is realized, the control is automatic, and the use is convenient.

Description

Handle and square shaft locking device

Technical Field

The invention relates to a lever handle door lock, in particular to a connecting device of a lever handle and a square shaft.

Background

At present prior art, a locking device of handle and square shaft, including handle and square shaft, the handle includes barrel portion and handle portion, and in the square shaft stretched into barrel portion, handle and square shaft rotated together. There are problems: the separation of the handle and the square shaft is not realized, and the clutch is realized.

Disclosure of Invention

The purpose of the invention is: the handle and square shaft locking device has the characteristics of automatic control of handle and square shaft locking and separation.

The invention is realized by the following steps: the utility model provides a locking device of handle and square shaft, includes handle and square shaft, and the handle includes barrel portion and handle portion, and its special lies in: the barrel body part comprises a rotating cavity, a guide cavity and a motor cavity, and at least two axial guide grooves are formed in the guide cavity;

also comprises a motor, a sub clutch block and a mother clutch block,

the secondary clutch block comprises a plurality of teeth arranged at one end and axial protrusions arranged on the outer circumferential surface, the primary clutch block comprises a rod part and a round head part, and the round head part is provided with a tooth socket;

the motor is fixed in the motor cavity, the sub-clutch block is arranged in the guide cavity, and the axial bulge is in sliding fit with the axial guide groove; the round head part is arranged in the guide cavity, the rod part is in rotating fit with the rotating cavity, and the end part of the rod part is fixedly connected with the square shaft; the motor driving sub clutch block moves back and forth, and the teeth and the tooth grooves are meshed or separated.

The locking device of the handle and the square shaft is characterized in that: the device also comprises a positioning block, a driving block and two pairs of NS magnets;

the positioning block is provided with an axial hole, a guide counter bore positioned at one end of the axial hole and a stop block arranged on a base plate of the guide counter bore;

the driving block is cylindrical, and is provided with a shaft hole along the axis, one end of the driving block is a plane, and the other end of the driving block is provided with a stop block and two magnet holes on one diameter line; one magnet hole is internally provided with an N magnet, and the other magnet hole is internally provided with an S magnet;

one end of the sub clutch block is provided with two magnet holes, one magnet hole is internally provided with an N magnetic piece, and the other magnet hole is internally provided with an S magnet;

the positioning block is fixedly connected with the motor, the driving block is in rotating fit with the guide counter bore, and the stop block is matched with the stop block for stopping; the NS magnet on the drive block mates with the NS magnet on the sub-clutch.

According to the locking device for the handle and the square shaft, the sub clutch block moves back and forth to be meshed with or separated from the clutch block, locking or separation of the handle and the square shaft is achieved, automatic control is achieved, and use is convenient.

Drawings

Fig. 1 is an exploded perspective view of the present invention.

Fig. 2 is a cross-sectional view of the present invention.

Fig. 3 is a view a-a of fig. 2.

Fig. 4 is a view B-B of fig. 2.

Fig. 5 is one of the exploded perspective views of the present invention.

Fig. 6 is a second exploded perspective view of the present invention.

Detailed Description

The invention is further described below with reference to the accompanying drawings.

As shown in fig. 1, a locking device of a handle and a square shaft comprises a handle 1 and a square shaft 2, wherein the handle 1 comprises a cylinder part 11 and a handle part 12, the cylinder part 11 comprises a rotation cavity 111, a guide cavity 112 and a motor cavity 113, and at least two axial guide grooves 1121 are formed in the guide cavity 112;

also comprises a motor 3, a sub clutch block 4 and a mother clutch block 5,

the sub clutch block 4 comprises a plurality of teeth 41 arranged at one end and axial protrusions 42 arranged on the outer circumferential surface, the female clutch block 5 comprises a rod part 51 and a round head part 52, and the round head part 52 is provided with a tooth socket 521;

the motor 3 is fixed in the motor cavity 113, the sub-clutch block 4 is arranged in the guide cavity 112, and the axial protrusion 42 is in sliding fit with the axial guide groove 1121; the round head part 52 is arranged in the guide cavity 112, the rod part 51 is in rotating fit with the rotating cavity 111, and the end part of the rod part 51 is fixedly connected with the square shaft 2; the motor 3 drives the clutch block 4 to move back and forth, and the teeth 41 are engaged with or separated from the tooth grooves 52.

The device also comprises a positioning block 6, a driving block 7 and two pairs of NS magnets, wherein the NS magnets are divided into an N magnet and an S magnet;

the positioning block 6 is provided with an axial hole, a guide counter bore 61 positioned at one end of the axial hole and a stop block 62 arranged on a base plate of the guide counter bore;

the driving block 7 is cylindrical, the driving block is provided with a shaft hole along the axial line, one end of the driving block is a plane, and the other end of the driving block is provided with a stop block 71 and two magnet holes 72 on the same diameter line; one magnet hole is internally provided with an N magnet, and the other magnet hole is internally provided with an S magnet;

one end of the sub-clutch block 4 is provided with two magnet holes 43, one magnet hole 43 is internally provided with an N magnetic piece, and the other magnet hole is internally provided with an S magnet;

the positioning block 6 is fixedly connected with the motor 3, the driving block 7 is in rotating fit with the guide counter bore 61, and the stop block 71 is matched with the stop block 62 for stopping; the NS magnet on the drive block 7 cooperates with the NS magnet on the sub-clutch 4;

the central angle alpha of the stop block 71 is 135 degrees, and the central angle beta of the stop block 62 is 35 degrees; the drive block 7 rotates 190 degrees.

Or a screw rod is arranged on the motor shaft, a nut is arranged on the sub-clutch block 4, the screw rod is matched with the nut, and the sub-clutch block 4 moves back and forth.

As shown in fig. 2, the sub clutch block 4 and the mother clutch block 5 are in a separated state, and the N magnet and the S magnet of the driving block 7 are respectively opposite to the S magnet and the N magnet of the sub clutch block 4 and are in a magnetic attraction state; one side of the stop block 71 is matched with one side of the stop block 62; at the moment, the handle is rotated, and the square shaft 2 is in a static state and cannot be unlocked;

in the state of fig. 1, the motor rotates, the driving block 7 rotates, the other side of the driving block 7 is matched with the other side of the stop block 62, the N magnet and the S magnet of the driving block 7 are respectively opposite to the N magnet and the S magnet of the sub clutch block 4, the sub clutch block 4 moves towards the main clutch block 5, and the teeth 41 are meshed with the tooth grooves 521; the handle 1 and the square shaft 2 rotate together to unlock.

What has been described above is merely a preferred embodiment of the present invention. It should be noted that a person skilled in the art could make several modifications and variations without departing from the principle of the present invention, which should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a locking device of handle and square shaft, includes handle and square shaft, and the handle includes barrel portion and handle portion, its characterized in that: the barrel body part comprises a rotating cavity, a guide cavity and a motor cavity, and at least two axial guide grooves are formed in the guide cavity;

also comprises a motor, a sub clutch block and a mother clutch block,

2. A handle and square shaft lock according to claim 1, wherein: the device also comprises a positioning block, a driving block and two pairs of NS magnets;