CN210976896U - Locking mechanism and lock cylinder - Google Patents

Abstract

The utility model provides a locking mechanism and lock core. Wherein, locking mechanism includes: a drive assembly; the locking piece is movably arranged relative to the driving assembly and has a locking state and an unlocking state; elastic component, elastic component and drive assembly and locking piece butt, drive assembly compression or extension elastic component, elastic component drive locking piece motion to drive locking piece switches between lock state and unlock state, when locking piece motion targets in place or the card is dead, drive assembly still can move and compress or extend elastic component, and elastic component can't drive the locking piece motion. The utility model provides a motor of tool to lock among the prior art receive the problem of impact easily.

Description

Locking mechanism and lock cylinder

Technical Field

The utility model relates to a tool to lock technical field particularly, relates to a locking mechanism and lock core.

Background

At present, various locks with Bluetooth functions are diversified, most products control a micro-motor to unlock or lock after Bluetooth connection is established between a mobile phone and the locks, but the micro-motor commonly used by the locks at present is a micro direct current motor or a micro direct current speed reducing motor, and a stepping motor is not used. When the speed reduction motor is used for directly driving the movable structural part to complete unlocking and locking, the angle is difficult to accurately control, the rotation angle of the motor is usually limited, and thus the reduction gearbox of the motor can be impacted inevitably, the time is long, the gear of the reduction gearbox can be broken, and the normal use of the lockset is influenced.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a locking mechanism and a lock cylinder to solve the problem that the motor of the lock in the prior art is easily impacted.

In order to achieve the above object, according to an aspect of the present invention, there is provided a locking mechanism, including: a drive assembly; the locking piece is movably arranged relative to the driving assembly and has a locking state and an unlocking state; elastic component, elastic component and drive assembly and locking piece butt, drive assembly compression or extension elastic component, elastic component drive locking piece motion to drive locking piece switches between lock state and unlock state, when locking piece motion targets in place or the card is dead, drive assembly still can move and compress or extend elastic component, and elastic component can't drive the locking piece motion.

Further, the elastic member is a spring.

Further, the drive assembly includes: a drive motor; the rotating shaft is in driving connection with the driving motor and is abutted against the elastic piece to drive the locking piece to move.

Furthermore, the rotating shaft is provided with a protruding structure which extends out in the radial direction, and the protruding structure can extend into a gate of the spring and compress or extend the spring so as to drive the locking piece to move.

Further, the protruding structure can be switched between a position of extending into the gate and a position of exiting from the gate, and when the locking piece moves in place or is locked, the protruding structure can be switched from the position of extending into the gate to the position of exiting from the gate, and the protruding structure does not compress or stretch the spring any more.

Furthermore, the protruding structure is a plurality of, and each protruding structure sets up along pivot circumference.

Furthermore, the one end of locking piece has and holds the concave part, and the one end of elastic component stretches into and holds in the concave part to with the inner wall butt that holds the concave part, switch between locking state and unblock state in order to drive the locking piece.

Further, the locking mechanism further includes: a first housing; the first shell and the second shell jointly form an accommodating cavity, and one part of the locking piece, the driving assembly and the elastic piece are all accommodated in the accommodating cavity.

Further, at least one part of the locking piece can extend out of the accommodating cavity, and the distance that the locking piece extends out of the accommodating cavity in the locking state is larger than the distance that the locking piece extends out of the accommodating cavity in the unlocking state.

According to another aspect of the present invention, a lock cylinder is provided, which includes the above-mentioned locking mechanism.

Furthermore, the lock cylinder also comprises a control board which is electrically connected with the driving component of the locking mechanism so as to control the action of the lock cylinder.

By applying the technical scheme of the utility model, the elastic piece is arranged between the driving component and the locking piece, the driving component drives the locking piece to move by compressing or extending the elastic piece, when the locking piece can move freely, the driving component moves and compresses or extends the elastic piece, and the elastic piece drives the locking piece to move, so that the locking piece is switched between a locking state and an unlocking state, and the locking and unlocking of the locking mechanism are realized; when the locking piece moves in place or is blocked by external force and can not continue to move, the driving assembly can still move, the driving assembly can continue to compress or extend the elastic piece at the moment, the elastic piece continues to deform, but the elastic force of the elastic piece can not enable the locking piece to move, so that the driving force of the driving assembly is completely converted into the elastic force of the elastic piece, even the elastic piece is separated from the driving assembly, the driving assembly can idle, the above setting mode can enable the movement of the driving assembly not to be influenced by the locking piece, the driving assembly can idle when the locking piece is blocked, the blocking and impact on the driving assembly when the locking piece is not moved are avoided, the normal work of the driving assembly is ensured, the service life of the driving assembly is prolonged, and the integral reliability of the locking mechanism is improved.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 shows a schematic view of a locking mechanism of the present invention; and

fig. 2 shows a schematic view of the inner wall of the locking mechanism of fig. 1.

Wherein the figures include the following reference numerals:

10. a drive assembly; 11. a drive motor; 12. a rotating shaft; 13. a raised structure; 20. a locking member; 30. an elastic member; 41. a first housing; 42. a second housing.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

It is noted that, unless otherwise indicated, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

In the present application, where the contrary is not intended, the use of directional words such as "upper, lower, top and bottom" is generally with respect to the orientation shown in the drawings, or with respect to the component itself in the vertical, perpendicular or gravitational direction; likewise, for ease of understanding and description, "inner and outer" refer to the inner and outer relative to the profile of the components themselves, but the above directional words are not intended to limit the invention.

The utility model provides a problem that receives the impact easily for the motor of the tool to lock among the solution prior art, the utility model provides a locking mechanical system and lock core.

A locking mechanism as shown in fig. 1 and 2 comprises a driving assembly 10, a locking member 20 and an elastic member 30, wherein the locking member 20 is movably arranged relative to the driving assembly 10 and has a locking state and an unlocking state; elastic component 30 and drive assembly 10 and locking piece 20 butt, and drive assembly 10 compression or extension elastic component 30, elastic component 30 drive locking piece 20 motion to drive locking piece 20 and switch between locking state and unlocking state, when locking piece 20 moved in place or blocked, drive assembly 10 still can move and compress or extend elastic component 30, and elastic component 30 can not drive locking piece 20 and move.

In the embodiment, the elastic member 30 is arranged between the driving assembly 10 and the locking member 20, the driving assembly 10 drives the locking member 20 to move by compressing or extending the elastic member 30, when the locking member 20 can move freely, the driving assembly 10 moves and compresses or extends the elastic member 30, and the elastic member 30 drives the locking member 20 to move, so that the locking member 20 is switched between the locking state and the unlocking state, and the locking and unlocking of the locking mechanism are realized; when the locking member 20 moves to the right position or is locked by external force and cannot move further, the driving assembly 10 can still move, at this time, the driving assembly 10 will continue to compress or expand the elastic member 30, the elastic member 30 is continuously deformed, but the elastic force of the elastic member 30 cannot move the locking member 20, so that the driving force of the driving assembly 10 is completely converted into the elastic force of the elastic member 30, and even finally the elastic member 30 is separated from the driving assembly 10, the driving assembly 10 performs idle rotation, above-mentioned setting mode can make drive assembly 10's motion can not receive the influence of locking piece 20, and drive assembly 10 can idle running when locking piece 20 is obstructed, has avoided stifled commentaries on classics and the impact that produces drive assembly 10 when locking piece 20 is motionless, has guaranteed drive assembly 10's normal work, has prolonged drive assembly 10's life, has improved the holistic reliability of locking mechanism.

In the present embodiment, the elastic member 30 is a spring. Of course, the elastic member 30 may be made of other elastic materials such as rubber.

In this embodiment, the driving assembly 10 includes a driving motor 11 and a rotating shaft 12, and the rotating shaft 12 is in driving connection with the driving motor 11 and abuts against the elastic member 30 to drive the locking member 20 to move. The output shaft of the driving motor 11 is in driving connection with the rotating shaft 12, the side surface of the rotating shaft 12 is provided with a protruding structure 13 which radially extends out, the protruding structure 13 can extend into a gate of the spring, when the driving motor 11 drives the rotating shaft 12 to rotate, the protruding structure 13 on the rotating shaft 12 compresses or extends the spring, so that the spring moves along the axial direction, and the movement of the spring drives the locking piece 20 to move synchronously, so that the locking piece 20 is switched between a locking state and an unlocking state. Further, with protruding structure 13 as the boundary, the spring divide into two sections that connect in order, wherein use the festival section between protruding structure 13 one side and the locking piece 20 as first section, use the festival section of protruding structure 13 opposite side as the second section, when needing to drive locking piece 20 to the latched position, pivot 12 rotates for the number of turns of first section increases, spring compression will support locking piece 20, make locking piece 20 move to the latched position, on the contrary, when needing to drive locking piece 20 to the unlocked position, pivot 12 reverses, make the number of turns in the first section reduce, spring extension will stimulate locking piece 20, make locking piece 20 move to the unlocked position. The force condition of the second section does not substantially affect the locking element 20, so that the end of the second section may be arranged as a free end or against other parts. Of course, the rotating shaft 12 can compress and extend the spring by rotating, or can compress and extend the spring by sliding axially, and the protruding structure 13 may not extend into the gate but inside and outside the gate, but directly against the end of the spring, when the shaft 12 is driven by the driving motor 11 to move axially, the raised structure 13 abuts and compresses the spring, so that the spring drives the locking member 20 to move, it should be noted that, if the protrusion 13 and the spring are separable, the shaft 12 can only compress the spring to move in one direction, and the reverse movement of the locking member 20 requires an additional member, by which the protrusion can be coupled to the end of the spring, so that the two cannot be separated, or the protruding structure 13 is extended into the gate to achieve the purpose that the rotating shaft 12 drives the locking member 20 to move in two directions.

Alternatively, the protruding structure 13 can be switched between a position of extending into the gate and a position of exiting the gate, when the locking member 20 is moved to the right or is locked, the protruding structure 13 moves along the gate of the spring, during the movement of the protruding structure 13, the protruding structure 13 may move to the end of the gate, at this time, the protruding structure 13 can continue to move, so that the position of extending into the gate is switched to the position of exiting the gate, the protruding structure 13 does not compress or extend the spring, and the driving motor 11 can still realize idle rotation. When the rotating shaft 12 rotates reversely, the protrusion 13 can be extended into the gate again.

Preferably, the protruding structure 13 is plural, and each protruding structure 13 is disposed along the circumferential direction of the rotating shaft 12. The protruding structures 13 are preferably considered to be arranged in pairs, and two protruding structures 13 arranged in pairs are respectively located on two opposite sides of the rotating shaft 12, so that when the rotating shaft 12 rotates, the spring is stressed in a balanced manner, and the rotating shaft 12 can smoothly compress or extend the spring, and the spring normally drives the locking member 20 to move.

In this embodiment, one end of the locking member 20 has an accommodating recess, and one end of the elastic member 30 extends into the accommodating recess and abuts against an inner wall of the accommodating recess to drive the locking member 20 to switch between the locking state and the unlocking state.

Alternatively, the lock member 20 has a guide channel opened along the sliding direction thereof, and the lock mechanism further includes a guide portion that extends into the guide channel to slide the lock member 20 in a predetermined direction. The through-hole of seting up is run through for following locking piece 20 axis to the direction passageway of this embodiment, the length of pivot 12 is longer, the one end that driving motor 11 was kept away from to pivot 12 stretches into to the through-hole as the guide part in, thereby the restriction effect has been played to the slip direction of locking piece 20, make locking piece 20 only can follow the axial slip of pivot 12, guarantee locking mechanism's normal work, the spring housing is established on pivot 12 simultaneously, it is roughly the same with the slip direction of locking piece 20 to guarantee the spring to the power of locking piece 20, make the spring smooth drive locking piece 20 motion, avoid the bite. Of course, other guide structures may be used for the guide portion and the guide passage as desired.

In this embodiment, the locking mechanism further includes a first housing 41 and a second housing 42, the first housing 41 and the second housing 42 together form a containing cavity, a portion of the locking member 20, the driving assembly 10 and the elastic member 30 are completely contained in the containing cavity, and the housing in a split configuration facilitates installation, maintenance and replacement of components in the containing cavity. A part of the lock member 20 can extend out of the accommodating cavity, and switching between the locking state and the unlocking state is realized through variation of the extending distance, and the locking mechanism is also required to match the lock member 20 with other external components in actual use so as to realize locking and unlocking of the lock member 20 to other external components. Generally, the distance that the locking member 20 stretches out of the accommodating cavity when in the locked state is greater than the distance that the locking member 20 stretches out of the accommodating cavity when in the unlocked state, and the locking member 20 can only stretch out of the accommodating cavity by a small section when in the unlocked state, or can not stretch out of the accommodating cavity completely, and the distance that the locking member stretches out of the accommodating cavity is zero at this moment. Of course, the distance by which the locking member 20 protrudes from the accommodating cavity and the corresponding state can also be set accordingly according to actual conditions.

The locking piece 20 of this embodiment has big footpath section and the path section of connecting in order, and form the stair structure between big footpath section and the path section, wherein, the path section can stretch out and hold the chamber, correspondingly, it also is formed with stair structure complex stair structure to hold the intracavity, when locking piece 20 switches to the locking state, stair structure and stair structure butt, thereby control locking piece 20's motion range, avoid locking piece 20 to stretch out and hold the too big problem that leads to unable reseing of distance in chamber, guarantee locking mechanism's normal work.

The embodiment also provides a lock cylinder which comprises the locking mechanism, and the locking and unlocking of the lock cylinder are realized through the locking and unlocking of the locking mechanism. In addition, the lock cylinder also comprises a control panel, the control panel is electrically connected with the driving assembly 10 of the locking mechanism to control the action of the lock cylinder, and the control panel can also be arranged in an accommodating cavity formed by the first shell 41 and the second shell 42, so that the lock cylinder is modularized and integrated, the modularization degree of the lock cylinder is improved, and the volume of the lock cylinder is reduced.

It should be noted that, a plurality in the above embodiments means at least two.

From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects:

1. the problem that a motor of a lockset in the prior art is easy to impact is solved;

2. the driving assembly can realize idle running and realize the function of preventing locked rotor;

3. the locked rotor and impact on the driving assembly when the locking piece is not moved are avoided, the normal work of the driving assembly is ensured, and the service life of the driving assembly is prolonged;

4. the whole structure is simple and reliable;

5. the universality is good, and the modularized integrated design is realized.

It is obvious that the above described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular is intended to include the plural unless the context clearly dictates otherwise, and it should be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A locking mechanism, comprising:

a drive assembly (10);

a locking member (20), wherein the locking member (20) is movably arranged relative to the driving assembly (10) and has a locking state and an unlocking state;

elastic component (30), elastic component (30) with drive assembly (10) with locking piece (20) butt, drive assembly (10) compression or extension elastic component (30), elastic component (30) drive locking piece (20) motion, in order to drive locking piece (20) are in locking state with switch between the unblock state, work as locking piece (20) move to the right place or when blocking, drive assembly (10) still can move and compress or extend elastic component (30), elastic component (30) can't drive locking piece (20) motion.

2. The locking mechanism of claim 1, wherein the resilient member (30) is a spring.

3. The locking mechanism of claim 2, wherein the drive assembly (10) comprises:

a drive motor (11);

the rotating shaft (12), the rotating shaft (12) with the driving motor (11) is in driving connection, and the rotating shaft (12) is abutted to the elastic piece (30) to drive the locking piece (20) to move.

4. The locking mechanism of claim 3, wherein the shaft (12) has a radially projecting protrusion (13), the protrusion (13) being capable of extending into the gate of the spring and compressing or expanding the spring to move the locking member (20).

5. The locking mechanism according to claim 4, wherein the plurality of the convex structures (13) is provided, and each of the convex structures (13) is arranged along the circumferential direction of the rotating shaft (12).

6. The locking mechanism according to claim 1, wherein one end of the locking member (20) has a receiving recess, and one end of the elastic member (30) extends into the receiving recess and abuts against an inner wall of the receiving recess to switch the locking member (20) between the locked state and the unlocked state.

7. The locking mechanism of claim 1, further comprising:

a first housing (41);

a second housing (42), the first housing (41) and the second housing (42) together forming a housing chamber, a portion of the lock member (20), the drive assembly (10), and the elastic member (30) being housed in the housing chamber.

8. The locking mechanism of claim 7, wherein at least a portion of the locking member (20) is capable of extending out of the receiving cavity, and wherein the locking member (20) extends out of the receiving cavity a greater distance in the locked state than the locking member (20) extends out of the receiving cavity in the unlocked state.

9. A lock cylinder characterized by comprising the lock mechanism of any one of claims 1 to 8.

10. The lock cylinder according to claim 9, characterized in that it further comprises a control board electrically connected to the drive assembly (10) of the locking mechanism to control the action of the lock cylinder.

Images