CN211874140U

CN211874140U - Electronic lock door handle structure with low unlocking noise

Info

Publication number: CN211874140U
Application number: CN201922311468.3U
Authority: CN
Inventors: 雷雨
Original assignee: Guangdong Jindianyuanzi Intelligent Technology Co ltd
Current assignee: Guangdong Jindianyuanzi Intelligent Technology Co ltd
Priority date: 2019-12-20
Filing date: 2019-12-20
Publication date: 2020-11-06
Anticipated expiration: 2029-12-20

Abstract

The utility model discloses an electronic lock door handle structure that unblock noise is little, including handle shell, pivot, separation and reunion round pin motor mechanism and pivot locating part, be provided with the limiting plate in the handle shell, the centre of limiting plate is provided with the mounting groove that is used for installing the separation and reunion round pin, and the pivot locating part is provided with the through-hole, and the pivot is provided with separation and reunion round pin socket; the motor mechanism is connected with a transmission slide block, a pushing slide block is arranged between the clutch pin and the transmission slide block, a transmission spring is arranged between the transmission slide block and the pushing slide block, and a return spring is arranged between the limiting plate and the pushing slide block; the clutch pin is provided with a limit ring, and a return spring is arranged between the limit ring and the rotating shaft limit piece; the transmission slide block is adopted to replace a screw rod of an electronic lock door handle in the prior art, and the transmission slide block cannot rotate in the sliding process, so that the vibration of a spring is avoided, and the noise is reduced; in addition, the transmission slide block can be periodically reset, and the phenomenon that the motor is damaged due to the fact that the rotation of the motor is blocked when the motor works is avoided.

Description

Electronic lock door handle structure with low unlocking noise

Technical Field

The utility model relates to a tool to lock, especially an electronic lock door handle structure.

Background

At present, a motor is mostly used for driving a worm to rotate in a clutch structure of an electronic lock, a spring is connected to the worm, the spring is pushed forwards when the worm rotates, and then a clutch pin is pushed by the spring to complete unlocking and door opening operations; when the motor works, the rotation of the worm can generate sliding friction with the spring, so that the spring vibrates, and further, larger noise is generated; in addition, if the door handle is rotated when an unlocking instruction is not sent, the clutch pin is pushed against the outer side wall of the rotating shaft, the clutch pin cannot be pushed forwards continuously, further, the worm and the clutch pin are likely to collide rigidly, and the motor which is working is prevented from rotating and even can be damaged.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model provides a little electronic lock door handle structure of unblock noise.

The utility model provides a technical scheme that its technical problem adopted is:

an electronic lock door handle structure with low unlocking noise comprises a handle shell, a rotating shaft, a clutch pin motor mechanism and a rotating shaft limiting part, wherein the rotating shaft, the clutch pin motor mechanism and the rotating shaft limiting part are installed in the handle shell; the motor mechanism is connected with a transmission slide block, a pushing slide block is arranged between the clutch pin and the transmission slide block, a transmission spring is arranged between the transmission slide block and the pushing slide block, a return spring is arranged between the limiting plate and the pushing slide block, one end of the clutch pin is positioned in the return spring, and the other end of the clutch pin is positioned in the through hole; the clutch pin is provided with a limit ring at a position between the rotating shaft limiting part and the limit plate and close to the limit plate, and a return spring is arranged between the limit ring and the rotating shaft limiting part.

Preferably, the motor mechanism comprises a motor and a rotating block, an output rod of the motor is inserted into the rotating block, and the rotating block is provided with a plurality of first inclined steps; one side of the transmission sliding block is provided with a spring fixing column, and the other end of the transmission sliding block is provided with a second inclined ladder corresponding to the first inclined ladder.

Preferably, the pushing slider is provided with a thimble.

Preferably, handle shell end is provided with emergent mechanical structure, emergent mechanical structure includes mechanical key mechanism and push rod, the top surface of transmission slider is provided with the protruding portion, the shape of push rod is L shape, and one end is connected mechanical key mechanism, and the other end supports on the protruding portion.

Preferably, the rotating shaft is provided with a limiting part.

The utility model has the advantages that: the utility model adopts the transmission slide block to replace the screw rod of the electronic lock door handle in the prior art; the motor mechanism enables the transmission sliding block to slide so as to compress the transmission spring, and the transmission spring generates reasoning on the pushing sliding block, so that the technical effect of transmitting the motor torque is realized; in the process, the transmission slide block cannot rotate, so that the vibration of the spring is avoided, and the noise during unlocking is reduced; in addition, the transmission sliding block can periodically reset under the action of the transmission spring, so that the motor is prevented from being blocked to be damaged when the motor works.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic structural view of a transmission slide block;

FIG. 3 is an exploded view of the motor mechanism;

fig. 4 is an exploded schematic view of the present invention.

Detailed Description

The directional or positional relationships "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., are those shown in the drawings, are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the invention.

Referring to fig. 1 to 4, an electronic door locking handle structure with low unlocking noise includes a handle shell 1, and a rotating shaft 2, a clutch pin 3 motor mechanism 4 and a rotating shaft limiting member 5 which are installed in the handle shell 1, wherein a limiting plate 6 is installed in the handle shell 1, an installation groove 7 for installing the clutch pin 3 is formed in the middle of the limiting plate 6, a through hole 8 is formed in the rotating shaft limiting member 5, and a clutch pin socket 9 is formed in the rotating shaft 2; the motor mechanism 4 is connected with a transmission slide block 10, a pushing slide block 11 is arranged between the clutch pin 3 and the transmission slide block 10, a transmission spring 12 is arranged between the transmission slide block 10 and the pushing slide block 11, a return spring 13 is arranged between the limiting plate 6 and the pushing slide block 11, one end of the clutch pin 3 is positioned in the return spring 13, and the other end of the clutch pin is positioned in the through hole 8; a limit ring 14 is arranged between the rotating shaft limiting piece 5 and the limit plate 6 and close to the limit plate 6 on the clutch pin 3, and a return spring 15 is arranged between the limit ring 14 and the rotating shaft limiting piece 5; the motor mechanism 4 starts to work after receiving an unlocking instruction, the transmission slide block 10 is pushed forwards, the transmission slide block 10 utilizes the transmission spring 12 to push the pushing slide block 11 forwards, and the pushing slide block 11 directly pushes the clutch pin 3, so that one end of the clutch pin 3 is inserted into the clutch pin insertion opening 9; at the moment, a door opener rotates the handle 1, and the handle 1 enables the rotating shaft 2 to rotate through the clutch pin 3, so that the aim of unlocking and opening the door is fulfilled; because the transmission slide block 10 does not rotate and only does unidirectional movement under the action of the motor mechanism 4, the transmission spring 12 obtains a trend of being compressed, and the transmission spring 12 does not rotate, so that extra vibration cannot be generated, and the noise during door opening and unlocking is greatly reduced; in addition, after the motor mechanism 4 pushes the transmission slider 10 to a certain extent, the transmission spring 12 will reset the transmission slider 10; when an unlocking instruction is not sent out, the handle shell 1 is rotated, the clutch pin 3 is pressed against the outer side wall of the rotating shaft 2, and the transmission slide block 10 cannot rotate and can reset under the action of the transmission spring 12 when the motor mechanism 4 is pushed to a certain degree, so that the rotation of the motor mechanism 4 is not influenced, and the motor is protected; the stop ring 14 can provide a supporting point for the return spring 15 and also prevent the clutch pin 3 from being pushed out of the mounting groove 7 by the return spring 15; the handle shell 1 is connected with the lock body mechanism through the rotating shaft 2.

The motor mechanism 4 comprises a motor 16 and a rotating block 17, an output rod of the motor 16 is inserted into the rotating block 17, and the rotating block 17 is provided with a plurality of first inclined steps 18; a spring fixing column 19 is arranged on one side of the transmission slide block 10, and a second inclined step 20 corresponding to the first inclined step 18 is arranged on the other end of the transmission slide block; the motor 16 drives the rotating block 17 to rotate through an output rod thereof, so that the first inclined step 18 and the second inclined step 20 which are originally attached to each other are slowly separated, a time point when the first inclined step 18 and the second inclined step 20 are not in contact with each other can occur along with the rotation of the rotating block 17, at the moment, the transmission slider 10 is reset under the action of the transmission spring 12, and the first inclined step 18 and the second inclined step 20 are completely attached to each other again; the spring fixing column 19 can prevent the transmission spring 12 from falling off, so that the structure is firmer and more reliable.

The push slide block 11 is provided with a thimble 21; the ejector pin 21 is used for ejecting one end of the clutch pin 3 into the clutch pin socket 9; in addition, the thimble 21 also has a function of preventing the return spring 13 from falling off.

The tail end of the handle shell 1 is provided with an emergency mechanical structure, the emergency mechanical structure comprises a mechanical key mechanism 22 and a push rod 23, the top surface of the transmission slide block 10 is provided with a protruding part 24, the push rod 23 is L-shaped, one end of the push rod is connected with the mechanical key mechanism 22, and the other end of the push rod abuts against the protruding part 24; in an emergency, an unlocking person can use an emergency key to perform mechanical unlocking, and the key is inserted into the mechanical key mechanism 22 at the tail end of the handle shell 1, so that the mechanical key mechanism 22 pushes the push rod 23, the transmission slide block 10 is pushed, the technical effect equivalent to that of the motor mechanism 4 is met, and the emergency unlocking operation is completed.

The rotating shaft 2 is provided with a limiting part 25; by arranging the limiting part 25, the rotating shaft 2 can only rotate within a certain angle due to the rotating shaft limiting part 5, and the situation that an unlocking person rotates the door handle anticlockwise when unlocking is avoided.

The above embodiments do not limit the scope of the present invention, and those skilled in the art can make equivalent modifications and variations without departing from the overall concept of the present invention.

Claims

1. An electronic lock door handle structure with low unlocking noise comprises a handle shell (1), a rotating shaft (2), a clutch pin (3), a motor mechanism (4) and a rotating shaft limiting piece (5), wherein the rotating shaft (2), the clutch pin (3), the motor mechanism (4) and the rotating shaft limiting piece (5) are installed in the handle shell (1), a limiting plate (6) is arranged in the handle shell (1), a mounting groove (7) for installing the clutch pin (3) is formed in the middle of the limiting plate (6), a through hole (8) is formed in the rotating shaft limiting piece (5), and a clutch pin socket (9) is formed in the rotating shaft (2); the clutch mechanism is characterized in that the motor mechanism (4) is connected with a transmission slide block (10), a pushing slide block (11) is arranged between the clutch pin (3) and the transmission slide block (10), a transmission spring (12) is arranged between the transmission slide block (10) and the pushing slide block (11), a return spring (13) is arranged between the limiting plate (6) and the pushing slide block (11), one end of the clutch pin (3) is positioned in the return spring (13), and the other end of the clutch pin is positioned in the through hole (8); the clutch pin (3) is located between the rotating shaft limiting piece (5) and the limiting plate (6) and close to the limiting plate (6), a limiting ring (14) is arranged, and a reset spring (15) is arranged between the limiting ring (14) and the rotating shaft limiting piece (5).

2. The electric lock door handle structure according to claim 1, characterized in that said motor mechanism (4) comprises a motor (16) and a rotating block (17), the output shaft of said motor (16) being inserted in said rotating block (17), said rotating block (17) being provided with a plurality of first inclined steps (18); one side of the transmission sliding block (10) is provided with a spring fixing column (19), and the other end of the transmission sliding block is provided with a second inclined ladder (20) corresponding to the first inclined ladder (18).

3. The electronic lock door handle structure according to claim 1, wherein the push slider (11) is provided with a thimble (21).

4. The electronic lock door handle structure according to claim 1, characterized in that the handle shell (1) is provided at the end with an emergency mechanical structure, the emergency mechanical structure comprises a mechanical key mechanism (22) and a push rod (23), the top surface of the transmission slider (10) is provided with a protrusion (24), the push rod (23) is L-shaped, one end of the push rod is connected with the mechanical key mechanism (22), and the other end of the push rod abuts against the protrusion (24).

5. The electronic lock door handle structure according to claim 1, wherein the rotary shaft (2) is provided with a stopper portion (25).