CN212656672U

CN212656672U - Clutch mechanism for lock and lock comprising same

Info

Publication number: CN212656672U
Application number: CN202021112812.2U
Authority: CN
Inventors: 李锦恭; 简建雄; 袁文林
Original assignee: Guangzhou Guub Technology Co ltd
Current assignee: Guangzhou Guub Technology Co ltd
Priority date: 2020-04-21
Filing date: 2020-06-16
Publication date: 2021-03-05
Anticipated expiration: 2030-06-16
Also published as: CN111852192A

Abstract

The utility model discloses a clutch mechanism for lock, which comprises a rotating shaft, wherein the rotating shaft comprises a lower limit rotating shaft and an upper limit rotating shaft which rotate coaxially and do not interfere with each other, the rotating shaft is provided with a notch, a first notch is arranged on the peripheral wall of the lower limit rotating shaft, and a second notch is arranged on the peripheral wall of the upper limit rotating shaft; the connecting sliding block is arranged right opposite to the notch; and the driving assembly is connected with one side of the connecting sliding block, and drives the connecting sliding block to be inserted into or separated from the notch. The utility model discloses can prevent that external force violence from unblanking and damaging lock body inner structure, effectively reduce the cost loss that the lock body unblanked because of the violence and caused. The utility model discloses still relate to a lock including above clutching mechanism.

Description

Clutch mechanism for lock and lock comprising same

Technical Field

The utility model relates to a clutching mechanism field especially relates to a lock that is used for clutching mechanism of lock and includes this clutching mechanism.

Background

In realizing the utility model discloses the in-process, the inventor discovers that prior art has following problem at least, general electronic lock on the existing market, under the violence destruction condition (under the condition of not inputing correct password and authorizing, the use tool removes violence wrench movement) can damage the inside structure of lock body and reach the purpose of unblanking, so the lock body has great safe risk, after violence wrench movement, the whole of lock body will be scrapped, must change new lock again, cause the cost extravagant.

SUMMERY OF THE UTILITY MODEL

To the above problem, the utility model provides an clutching mechanism for lock mainly solves the problem that prior art can't prevent the violence and unblank.

The utility model provides a clutching mechanism for lock, include:

the rotating shaft comprises a lower limiting rotating shaft and an upper limiting rotating shaft which rotate coaxially and do not interfere with each other, the rotating shaft is provided with a notch, a first notch is arranged on the peripheral wall of the lower limiting rotating shaft, and a second notch is arranged on the peripheral wall of the upper limiting rotating shaft; the connecting sliding block is arranged right opposite to the notch; and the driving assembly is connected with one side of the connecting sliding block, and drives the connecting sliding block to be inserted into or separated from the notch.

Furthermore, the driving assembly comprises a pressing block and a motor, and one end of the pressing block is movably contacted with the connecting sliding block.

Further, clutching mechanism installs on the panel, panel and clamp plate restriction clutching mechanism's vertical degree of freedom, lower spacing pivot passes through the hole and the knob fixed connection of panel, the rotation angle of lower spacing pivot is 0 to 90 degrees for the structure of panel restriction, connect first elastic component that resets between panel and the lower spacing pivot.

Further, a rotary arc groove is formed between the panel and the upper limiting rotating shaft, the connecting sliding block is in sliding contact with the arc groove, and a second reset elastic piece is arranged between the connecting sliding block and the rotating shaft.

Further, a sliding groove is formed between the upper limiting rotating shaft and the driving assembly, the connecting sliding block slides on the sliding groove, a position feedback magnet is mounted on the outer surface of the upper limiting rotating shaft, and the position feedback magnet is circular.

Furthermore, go up spacing pivot with spout integrated into one piece, the height of spout both sides prevents to connect the slider and turns out the spout.

Furthermore, the connecting sliding block is a hollow part with one closed end, and the second reset elastic part is fixed in the connecting sliding block.

Furthermore, the radial plane of the upper limiting rotating shaft is provided with an annular groove, the shape of the annular groove is consistent with that of the lower limiting rotating shaft, and the upper limiting rotating shaft is coaxially sleeved outside the lower limiting rotating shaft.

Further, the pressing block is a cam, a block or a strip.

The utility model discloses still relate to a lock, it includes like above clutch mechanism.

The clutch structure of the utility model has the advantages that in the locking state, the connecting slide block is not clamped into the notch, the upper limit rotating shaft and the lower limit rotating shaft respectively rotate, the lower limit rotating shaft can only idle and cannot drive the upper limit rotating shaft to rotate together, the idle rotation plays a role in protecting the lock body, the damage to the internal structure of the lock body caused by the forced unlocking of external force is prevented, and the cost loss of the lock body caused by the forced unlocking is effectively reduced; in the unlocking state, the pressing block rotates to enable the connecting sliding block to move towards the notch, the connecting sliding block is enabled to be transversely connected with the upper limiting rotating shaft and the lower limiting rotating shaft, the upper limiting rotating shaft can be driven to synchronously rotate by rotating the lower limiting rotating shaft, and the unlocking function is realized.

Drawings

Fig. 1 is an exploded view of a clutch mechanism according to an embodiment of the present invention;

fig. 2 is a locking state diagram of the clutch mechanism according to an embodiment of the present invention;

fig. 3 is a view showing an unlocking state of the clutch mechanism according to an embodiment of the present invention;

fig. 4 is a second view of the clutch mechanism according to an embodiment of the present invention in an unlocked state;

wherein: 1-lower limit rotating shaft, 10-lower limit rotating shaft return spring, 11-first notch, 2-upper limit rotating shaft, 20-sliding chute, 21-second notch, 3-driving component, 30-motor, 31-pressing block, 4-position feedback magnet, 5-knob, 6-panel, 60-pressing plate, 61-arc groove, 7-connecting sliding block return spring and 8-connecting sliding block.

Detailed Description

In order to deepen the understanding of the present invention, the following embodiments will be combined to make the present invention do further details, and the present embodiment is only used for explaining the present invention, and does not constitute the limitation of the protection scope of the present invention.

According to the figure 1, the embodiment provides a clutch mechanism for a lock, which mainly utilizes the state of a connecting sliding block 8 in a notch to control the rotation of a rotating shaft so as to achieve the purposes of unlocking and preventing violent unlocking, and the clutch mechanism comprises a rotating shaft, wherein the rotating shaft comprises a lower limiting rotating shaft 1 and an upper limiting rotating shaft 2 which rotate coaxially and do not interfere with each other, the rotating shaft is provided with a notch, a first notch 11 is arranged on the peripheral wall of the lower limiting rotating shaft 1, a second notch 21 is arranged on the peripheral wall of the upper limiting rotating shaft 2, the lower limiting rotating shaft 1 and the upper limiting rotating shaft 2 can respectively rotate freely, the upper limiting rotating shaft 2 is connected with a switch in a lock body, and the rotation of the upper limiting rotating shaft 2 can control the unlocking and locking states of the lock; the connecting sliding block 8 is placed right opposite to the notch, the driving assembly 3 is arranged, the driving assembly 3 is connected with one side of the connecting sliding block 8, and the driving assembly 3 drives the connecting sliding block 8 to be inserted into or separated from the notch;

when the mechanism is in a locking state, the lower limiting rotating shaft 1 is rotated, the upper limiting rotating shaft 2 and the lower limiting rotating shaft 1 respectively rotate, the upper limiting rotating shaft 2 is transversely movably connected with the connecting slide block 8, and the connecting slide block 8 is not clamped into the notch, so that in the locking state, the lower limiting rotating shaft 1 can only idle and cannot drive the upper limiting rotating shaft 2 to rotate together, and the idle rotation plays a role in protecting the lock body, so that the lock body is prevented from being damaged by external force violent unlocking;

when the mechanism is in the state of unblanking, the notch direction of first notch 11 and second notch 21 is unanimous, and drive assembly 3 orders about link block 8 and removes to the notch, makes link block 8 transversely connect upper limit pivot 2 and lower limit pivot 1, and rotatory lower limit pivot 1 can drive upper limit pivot 2 synchronous rotation, realizes the function of unblanking.

Preferably, the driving assembly 3 includes a pressing block 31 and a motor 30, the pressing block 31 is connected to the motor 30, one end of the pressing block 31 is movably connected to the connecting slide block 8, and as the pressing block 31 is disposed inside the lock, the pressing block 31 is rotated by using power sources such as motors and the like which are internally and externally controlled, so as to enable the connecting slide block 8 to slide into the notch, and the rotation of the motor is controlled to realize the clutch of the clutch mechanism, so that the locking and unlocking functions of the lock body are realized.

Preferably, the clutch mechanism is mounted on the panel 6, the panel 6 and the pressing plate 60 limit the longitudinal degree of freedom of the clutch mechanism, the longitudinal direction is the direction perpendicular to the plane of the axis of the rotating shaft, the internal parts are limited in a certain longitudinal space, the lower limiting rotating shaft 1 and the upper limiting rotating shaft 2 can rotate and do not move along the axis, and the motion track of the internal parts of the clutch mechanism is limited. Lower 1 one side of spacing pivot is through the hole and the 5 fixed connection of knob of panel 6, and knob 5 rotates in the outside of panel 6, rotates knob 5 and is equivalent to and rotates down spacing pivot 1, makes things convenient for the manual operation, the rotation angle of panel 6's structure restriction down spacing pivot 1 is 0 to 90, connect first elastic component 10 that resets between panel 6 and the lower spacing pivot 1, first elastic component 10 that resets is torque spring, and lower spacing pivot 1 can be at 90 internal free rotations under the fixed of panel 6, and first elastic component 10 that resets can make down spacing pivot 1 automatic re-setting, helps the opening direction unanimity of first notch 11 of lower spacing pivot 1 and the second notch 21 of upper limit pivot 2, does benefit to connecting slider 8 and gets into the notch smoothly, connects upper limit pivot 2 and lower spacing pivot 1 and realizes synchronous rotation.

Preferably, a rotating arc groove 61 is formed between the panel 6 and the upper limiting rotating shaft 2, one end of the connecting slider 8, which is in contact with the pressing block 31, is in sliding contact with the arc groove 61, a second reset elastic member 7 is arranged between the connecting slider 8 and the rotating shaft, the second reset elastic member 7 is a pressure spring, the elastic potential energy of the second reset elastic member 7 can enable the connecting slider 8 to pop out of the notch, the rotation stress of the rotating shaft is stable due to the cooperation of the arc groove 61 and the notch, when the connecting slider 8 is pushed into the notch, the arc groove 61 limits the connecting slider 8 to be always in a state of compressing the second reset elastic member 7, that is, the connecting slider 8 is always clamped in the notch, so that the upper limiting rotating shaft 2 and the lower limiting rotating shaft 1 are ensured to rotate synchronously; when coupling block 8 breaks away from circular arc groove 61, the elastic potential energy that the elastic component 7 of second reseed was accumulated pops out the notch with coupling block 8, utilize circular arc groove 61 and the cooperation of second elastic component 7 that resets, it is no longer synchronous rotation to reduce spacing pivot 2 and lower spacing pivot 1 this moment, rotate down spacing pivot 1 and can only idle running, prevent that the violence is unblanked, do not influence the state of spacing pivot 2 and internals on, preferably,

circular arc groove

61 and 6 integrative injection moulding of panel.

Preferably, a sliding groove 20 is formed between the upper limiting rotating shaft 2 and the driving assembly 3, the connecting sliding block 8 slides on the sliding groove 20, a position feedback magnet 4 is mounted on the outer surface of the upper limiting rotating shaft 2, the position feedback magnet 4 is circular, the rotation axis of the position feedback magnet 4 coincides with the rotation axis of the upper limiting rotating shaft 2, namely, the rotation angle of the position feedback magnet 4 is equal to the rotation angle of the upper limiting rotating shaft 2, the rotation of the upper limiting rotating shaft 2 controls the unlocking or locking state of the lock, and the position of the upper limiting rotating shaft 2 of the clutch mechanism, namely the unlocking or locking state of the clutch mechanism, can be conveniently judged through signal feedback of the position feedback magnet 4.

Go up second notch 21 and the spout 20 integrated into one piece of spacing pivot 2, the height of spout 20 both sides can prevent to connect the slider 8 and turn over out spout 20, ensures that link block 8 and notch joint and stable drive link block 8 and pivot synchronous rotation.

Preferably, the connecting slider 8 is a hollow member with one closed end, the second elastic resetting member 7 is fixed inside the connecting slider 8, and the connecting slider 8 limits the play of the second elastic resetting member 7, so that the deformation of the elastic member is stable.

Preferably, go up spacing pivot 2 and lower spacing pivot 1 complex radial plane and set up annular groove, annular groove's shape is unanimous with lower spacing pivot 1's shape, go up the outside that spacing pivot 2 coaxial cover located lower spacing pivot 1, the pivot uses the mode installation of coaxial cover to establish can reduce clutching mechanism's vertical height.

Preferably, the pressing block 31 is a cam, a block or a strip, the pressing block 31 plays a role of pushing the connecting slide block 8, and when the surface of the pressing block 31 is arc-shaped, the pushed speed of the connecting slide block 8 is slowly changed, so that the generation of impact force is reduced.

The above-described embodiments are merely illustrative of the embodiments of the present invention, and do not limit the spirit and scope of the present invention. Under the prerequisite that does not deviate from the design concept of the utility model, the ordinary person in the art should fall into the protection scope of the utility model to the various changes and improvements that the technical scheme of the utility model made.

Claims

1. A clutch mechanism for a lock, comprising:

the rotating shaft comprises a lower limiting rotating shaft (1) and an upper limiting rotating shaft (2) which rotate coaxially and do not interfere with each other, the rotating shaft is provided with a notch, a first notch (11) is formed in the peripheral wall of the lower limiting rotating shaft (1), and a second notch (21) is formed in the peripheral wall of the upper limiting rotating shaft (2);

the connecting sliding block (8) is arranged right opposite to the notch, and a second reset elastic piece (7) is arranged between the connecting sliding block (8) and the rotating shaft;

drive assembly (3), drive assembly (3) are connected with one side of connecting slide block (8), drive assembly (3) order about connecting slide block (8) and insert or break away from in the notch.

2. Clutch mechanism for a lock according to claim 1, wherein the drive assembly (3) comprises a pressure piece (31) and a motor (30), one end of the pressure piece (31) being in movable contact with the connecting slider (8).

3. The clutch mechanism for locks according to claim 1, characterized in that it is mounted on a panel (6), the panel (6) and a pressure plate (60) limit the longitudinal degree of freedom of the clutch mechanism, the lower limit spindle (1) is fixedly connected with the knob (5) through the aperture of the panel (6), the structure of the panel (6) defines the rotation angle of the lower limit spindle (1) to be 0 ° to 90 °, and a first return spring (10) is connected between the panel (6) and the lower limit spindle (1).

4. Clutch mechanism for locks according to claim 3, characterised in that a circular arc groove (61) of revolution is formed between the face plate (6) and the upper limiting shaft (2), the connecting slider (8) being in sliding contact with the circular arc groove (61).

5. The clutch mechanism for locks according to claim 1, characterized in that the outer surface of the upper limit spindle (2) is provided with a position feedback magnet (4), the shape of the position feedback magnet (4) is circular, a sliding groove (20) is arranged between the upper limit spindle (2) and the driving assembly (3), and the connecting slide block (8) slides on the sliding groove (20).

6. Clutch mechanism for locks according to claim 5, wherein the upper limit shaft (2) is integral with the slot (20), the height of the sides of the slot (20) preventing the connecting slider (8) from turning out of the slot.

7. Clutch mechanism for locks according to claim 1, wherein the connecting slider (8) is a hollow element closed at one end, the second return spring (7) being fixed inside the connecting slider (8).

8. The clutch mechanism for locks according to claim 1, characterized in that the radial plane of the upper limit spindle (2) is provided with an annular groove, the shape of the annular groove is identical to the shape of the lower limit spindle (1), and the upper limit spindle (2) is coaxially sleeved outside the lower limit spindle (1).

9. Clutch mechanism for a lock according to claim 2, wherein the pressure piece (31) is a cam, a block or a bar.

10. A lock comprising a clutch mechanism according to any one of claims 1 to 9.