CN108678563B

CN108678563B - Door lock

Info

Publication number: CN108678563B
Application number: CN201810935987.4A
Authority: CN
Inventors: 刘建刚
Original assignee: SHENZHEN EAZYLIFT TECHNOLOGY CO LTD
Current assignee: SHENZHEN EAZYLIFT TECHNOLOGY CO LTD
Priority date: 2018-08-16
Filing date: 2018-08-16
Publication date: 2024-05-28
Anticipated expiration: 2038-08-16
Also published as: CN108678563A

Abstract

The invention relates to a door lock, which comprises a handle seat and a handle which is connected with the handle seat in a matching way and can rotate relative to the handle seat, wherein a clutch device for limiting or allowing the handle to rotate relative to the handle seat is arranged between the handle seat and the handle, the clutch device comprises a mounting seat fixedly arranged on the handle and a lock plunger seat fixedly arranged on the handle seat, and the mounting seat is provided with a lock plunger and a driving device for driving the lock plunger to be inserted into or separated from the lock plunger seat. The invention has the advantages of simple structure, theft prevention and quick reversing of the handle.

Description

Door lock

Technical Field

The present invention relates to a door lock.

Background

An intelligent door lock is an indispensable anti-theft tool in modern life, and the door lock generally comprises a handle seat and a handle which is matched and connected with the handle seat and can rotate relative to the handle seat, so that the existing structure cannot realize anti-theft and is suitable for the handle to quickly change the direction, and the improvement is necessary.

Disclosure of Invention

The invention aims to provide a door lock which is simple in structure, can prevent theft and is suitable for quick reversing of a handle.

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

The door lock comprises a handle seat and a handle which is connected with the handle seat in a matched manner and can rotate relative to the handle seat, a clutch device which is used for limiting or allowing the handle to rotate relative to the handle seat is arranged between the handle seat and the handle, the clutch device comprises a mounting seat fixedly mounted on the handle and a lock plunger seat fixedly mounted on the handle seat, and the mounting seat is provided with a lock plunger and a driving device which is used for driving the lock plunger to be inserted into or separated from the lock plunger seat.

The invention has the advantages of simple structure, theft prevention and quick reversing of the handle.

The invention can be improved by the following scheme:

The lock bolt can be arranged on the mounting seat in a sliding way along the axial direction of the lock bolt, and the lock bolt is provided with a plug-in part; the driving device comprises a motor, the output shaft of the motor is provided with a worm, the mounting seat is provided with a slide bar, the slide bar is provided with a pushing piece, the pushing piece extends from one end of the slide bar to the worm and is provided with two pushing rods, and the two pushing rods respectively penetrate through adjacent teeth of the worm and then are inserted into the plug-in part of the lock bolt.

The plug-in portion is a circumferential groove recessed along the circumferential direction of the lock bolt.

The sliding rod is sleeved with a sliding block which can axially slide along the sliding rod, and the sliding rod is sleeved with two balance springs which are respectively arranged at two sides of the sliding block; the pushing piece is made of elastic materials and comprises a winding part which is used for winding the sliding block, and the two pushing rods are respectively arranged from the winding part to the worm in an extending mode.

The driving device further comprises a lock cylinder arranged on the handle, a shifting ring tooth and an action piece, wherein the shifting ring tooth is arranged on the lock cylinder and rotates along with the key when the key is inserted into the lock cylinder, the shifting ring tooth is provided with a plurality of ring teeth, the action piece is rotatably arranged on the handle, the action piece is provided with a plurality of action teeth meshed with the ring teeth, the action teeth are meshed with the ring teeth, and the action piece is further provided with an action part which acts on the lock bolt along with the rotation of the action part to enable the lock bolt to be inserted into or separated from the lock bolt seat.

The action part is an arc-shaped body, the arc-shaped round mandrel is coaxial with the rotating shaft of the action part, the arc-shaped body comprises a thicker section, a thinner Duan Heshun and a transition section which is connected with the thicker section and the thinner section in a sliding way, the thicker section acts on the lock bolt by rotating the action part so as to push the lock bolt to be inserted into the lock bolt seat, and the lock bolt leaves the lock bolt seat under the action of the pushing rod when the thinner section acts on the lock bolt by rotating the action part.

The shifting ring teeth are linked with the lock cylinder through a lock pin, and when the key is inserted into the lock cylinder and then rotates forward, the action piece acts on the lock plunger from a thinner section to a thicker section to act on the lock plunger to rotate; the handle is provided with a fingerprint drawing module, a main control board and a power supply, the motor is electrically connected to the main control board, and the main control board is provided with a setting key for setting functions of the main control board; the shifting ring tooth is provided with a reset rod, and after the key is inserted into the lock cylinder, the reset rod of the shifting ring tooth acts on the setting key by reverse rotation.

The handle seat and the handle are also provided with a positioning device used for positioning the handle position, the handle seat and the handle are provided with mutually surface contact and mutually connected surfaces in a sliding fit manner, the positioning device comprises a plurality of positioning concave positions arranged on one of the mutually connected surfaces, and at least one positioning convex point which can be blocked into the positioning concave positions is correspondingly arranged on the other connecting surface, and the positioning concave positions are arranged along the rotation direction of the handle and are mutually pulled away.

The positioning concave position is arranged on the handle, the positioning convex point is a sphere which can axially stretch along the handle rotating shaft, the handle seat is provided with a limiting cavity which is axially in the same direction with the handle rotating shaft, the sphere is limited to be arranged in the limiting cavity and can partially extend out of the limiting cavity, and a tower spring is arranged in the limiting cavity so as to prop against the sphere to partially extend out of the limiting cavity and be clamped into the corresponding positioning concave position.

The number of the positioning concave positions is eight, and the positioning concave positions are distributed on the same circumference taking the handle rotation shaft as the center at equal intervals.

Drawings

Fig. 1 is a three-dimensional state schematic diagram of the overall structure of a door lock according to an embodiment.

FIG. 2 is a three-dimensional view showing the overall structure of a handle and a handle of a door lock according to an embodiment

Fig. 3 is a schematic view of the three-dimensional exploded view of the component shown in fig. 2.

Fig. 4 is a schematic cross-sectional view of the component shown in fig. 2.

Fig. 5 is a schematic diagram showing the three-dimensional state of the relevant components of the clutch device.

Fig. 6 is a schematic diagram showing the three-dimensional state of the relevant components of the clutch device (at another view angle).

FIG. 7 is a schematic view showing the three-dimensional state of the whole structure of the acting element in the embodiment.

Fig. 8 is a schematic diagram of a side view of the acting element in an embodiment.

Fig. 9 is a three-dimensional view showing the overall structure of the dial teeth in the embodiment.

Detailed Description

As shown in fig. 1 to 6, a door lock includes a handle holder 100 and a handle 101 cooperatively connected with the handle holder 100 and capable of rotating relative to the handle holder 100, a clutch device for restricting or allowing the handle 101 to rotate relative to the handle holder 100 is provided between the handle holder 100 and the handle 101, the clutch device includes a mounting seat 102 fixedly mounted on the handle 101 and a latch holder 103 fixedly mounted on the handle holder 100, the mounting seat 102 is provided with a latch 1 and a driving device for driving the latch 1 to be inserted into or separated from the latch holder 103.

The lock bolt 1 is arranged on the mounting seat 102 in a sliding way along the axial direction, and the lock bolt 1 is provided with a plug-in part 11; the driving device comprises a motor 21, an output shaft of the motor 21 is provided with a worm 211, the mounting seat 102 is provided with a slide bar 22, a pushing piece 23 is arranged on the slide bar 22, two pushing rods 231 are arranged on the pushing piece 23 in an extending mode from one end of the slide bar 22 to the worm 211, the two pushing rods 231 respectively penetrate through adjacent teeth of the worm 211 and then are inserted into the inserting connection part 11 of the lock bolt 1, and the inserting connection part 11 is a circumferential groove concavely arranged along the circumferential direction of the lock bolt 1.

The sliding rod 22 is sleeved with a sliding block 24 which can axially slide along the sliding rod 22, and the sliding rod 22 is sleeved with two balance springs 25 which are respectively arranged at two sides of the sliding block 24; the pushing member 23 is made of an elastic material, the pushing member 23 includes a winding portion for winding on the slider 24, and two pushing rods 231 are respectively extended from the winding portion toward the worm 211. By providing the balance spring 25 and the pushing member 23, the motor 21 is not burned or the power consumption is increased due to the jamming of the pushing member 23 even in the case where the motor 21 is continuously operated.

The driving device further comprises a lock cylinder 31 arranged on the handle 101, a shifting ring tooth 32 and an acting piece 33, wherein the shifting ring tooth 32 is arranged on the lock cylinder 31 and rotates along with a key when the key is inserted into the lock cylinder 31, the shifting ring tooth 32 is provided with a plurality of ring teeth 321, the acting piece 33 is rotatably arranged on the handle 101, the acting piece 33 is provided with a plurality of acting teeth 331 meshed with the ring teeth 321, the acting tooth 331 is meshed with the ring teeth, and the acting piece 33 is further provided with an acting part 332 which acts on the lock bolt 1 along with the rotation of the acting piece to enable the lock bolt 1to be inserted into or separated from the lock bolt seat 103.

As shown in fig. 7 and 8, the acting portion 332 is an arc-shaped body, the arc-shaped circular spindle is coaxial with the rotation axis of the acting member 33, the arc-shaped body includes a thicker section 41, a thinner section 42, and a transition section 43 connecting the thicker section 41 and the thinner section 42 smoothly, and rotation of the acting member 33 causes the thicker section 41 to act on the latch 1 to push it into the latch seat 103, and rotation of the acting member 33 causes the thinner section 42 to act on the latch 1, so that the latch 1 is separated from the latch seat 103 by the pushing rod 231.

The shifting ring teeth 32 are linked with the lock cylinder 31 through a lock pin, and when the key is inserted into the lock cylinder 31 and then rotates forward to enable the shifting ring teeth 32, the acting piece 33 acts on the lock bolt 1 from the thinner section 42 to the thicker section 41 to act on the lock bolt 1 to rotate; the handle 101 is provided with a fingerprint drawing module, a main control board 51 and a power supply 52, the motor 21 is electrically connected to the main control board 51, and the main control board 51 is provided with setting keys for setting functions of the main control board 51; the dog 32 has a reset lever 322 which is rotated in reverse after the key is inserted into the lock cylinder 31 so that the reset lever 322 of the dog 32 acts on the set key.

The handle seat 100 and the handle 101 are also provided with a positioning device for positioning the position of the handle 101, the handle seat 100 and the handle 101 are provided with mutually connected surfaces which are in surface contact and in sliding fit connection, the positioning device comprises a plurality of positioning concave positions 61 arranged on one of the mutually connected surfaces, and at least one positioning convex point which can be clamped into the positioning concave positions 61 is correspondingly arranged on the other connecting surface, and the positioning concave positions 61 are arranged along the rotation direction of the handle 101 and are mutually pulled away.

The positioning concave 61 is disposed on the handle 101, the positioning convex is a sphere that can axially extend along the rotation axis of the handle 101, the handle seat 100 has a spacing cavity axially and axially in the same direction as the rotation axis of the handle 101, the sphere is limited to be disposed in the spacing cavity and can partially extend out of the spacing cavity, and a tower spring is disposed in the spacing cavity to push the sphere to partially extend out of the spacing cavity so as to be clamped into the corresponding positioning concave 61. There are eight positioning recesses 61, and the positioning recesses 61 are equally spaced on the same circumference centered on the rotation axis of the handle 101. Therefore, when the handle 101 rotates 45 degrees, the handle 101 has stronger pause hand feeling and can stay at the corresponding position, so that the diversity of selection is increased, and the device is suitable for various occasions requiring the placement angle of the handle 101.

Claims

1. The door lock comprises a handle seat and a handle which is connected with the handle seat in a matching way and can rotate relative to the handle seat, and is characterized in that a clutch device for limiting or allowing the handle to rotate relative to the handle seat is arranged between the handle seat and the handle, the clutch device comprises a mounting seat fixedly mounted on the handle and a lock bolt seat fixedly mounted on the handle seat, the mounting seat is provided with a lock bolt and a driving device for driving the lock bolt to be inserted into or separated from the lock bolt seat, the lock bolt can be axially and slidably arranged on the mounting seat, and the lock bolt is provided with an inserting part; the driving device comprises a motor, the output shaft of the motor is provided with a worm, the mounting seat is provided with a slide bar, the slide bar is provided with a pushing piece, the pushing piece extends from one end of the slide bar to the worm and is provided with two pushing rods, and the two pushing rods respectively penetrate through adjacent teeth of the worm and then are inserted into the plug-in part of the lock bolt.

2. A door lock according to claim 1, wherein the plug portion is a circumferential groove recessed along the circumferential direction of the lock cylinder.

3. The door lock according to claim 1, wherein the slide bar is sleeved with a slide block capable of sliding along the axial direction of the slide bar, and the slide bar is sleeved with two balance springs and arranged on two sides of the slide block respectively; the pushing piece is made of elastic materials and comprises a winding part which is used for winding the sliding block, and the two pushing rods are respectively arranged from the winding part to the worm in an extending mode.

4. A door lock according to claim 3, wherein the driving means further comprises a lock cylinder provided on the handle, a shifting ring tooth provided on the lock cylinder and rotated with the key when the key is inserted into the lock cylinder, a plurality of ring teeth provided on the shifting ring tooth, an operating member rotatably mounted on the handle, a plurality of operating teeth engaged with the ring teeth provided on the operating member, the operating teeth engaged with the ring teeth, and an operating portion for operating the lock bolt to insert or remove the lock bolt from the lock bolt seat as the operating member rotates.

5. The door lock according to claim 4, wherein the actuating portion is an arc-shaped body, the arc-shaped circular spindle is coaxial with the rotating shaft of the actuating member, the arc-shaped body comprises a thicker section, a thinner Duan Heshun and a transition section slidably connecting the thicker section and the thinner section, the thicker section acts on the lock bolt to push the lock bolt into the bolt seat by rotation of the actuating member, and the lock bolt is separated from the bolt seat by the pushing rod when the thinner section acts on the lock bolt by rotation of the actuating member.

6. The door lock according to claim 5, wherein the key-dog is interlocked with the lock cylinder through a plug, and the operating member is rotated in a direction from a thinner section to a thicker section to the lock cylinder when the key is inserted into the lock cylinder and then rotated in a forward direction to operate the key-dog; the handle is provided with a fingerprint drawing module, a main control board and a power supply, the motor is electrically connected to the main control board, and the main control board is provided with a setting key for setting functions of the main control board; the shifting ring tooth is provided with a reset rod, and after the key is inserted into the lock cylinder, the reset rod of the shifting ring tooth acts on the setting key by reverse rotation.

7. The door lock according to any one of claim 2, claim 5 and claim 6, wherein a positioning device for positioning the handle is further provided between the handle base and the handle, the handle base and the handle have mutually surface contact and slidingly-matched connecting mutually connecting surfaces, the positioning device comprises a plurality of positioning concave positions arranged on one connecting surface of the mutually connecting surfaces, and at least one positioning convex point which can be clamped into the positioning concave positions is correspondingly arranged on the other connecting surface, and the positioning concave positions are arranged along the rotation direction of the handle and are mutually pulled away.

8. The door lock according to claim 7, wherein the positioning concave is disposed on the handle, the positioning protruding point is a ball that can axially extend and retract along the handle rotation axis, the handle seat has a limiting cavity axially and axially co-axially with the handle rotation axis, the ball is limited and disposed in the limiting cavity and can partially extend out of the limiting cavity, and a tower spring is disposed in the limiting cavity to push the ball to partially extend out of the limiting cavity to be clamped into the corresponding positioning concave.

9. The door lock according to claim 8, wherein the number of the positioning recesses is eight, and the positioning recesses are equally spaced on the same circumference centered on the rotation axis of the handle.