CN212359354U - Clutch device and door lock with reversely locked handle thereof - Google Patents

Abstract

The utility model discloses a clutch, include the rotation portion of being connected with outside handle, the linkage portion and the second fastener of being connected with outside lock body, rotation portion with linkage portion passes through the connection can be dismantled to the second fastener, a serial communication port, rotation portion is equipped with displacement sliding section, displacement sliding section for rotation portion is sunken andor protrusion. Through the arrangement of the displacement sliding section, when the door is reversely locked by pulling up the handle, the rotating part drives the displacement sliding section to rotate, the rotating part and the linkage part are detachably connected through the second fastener, when the rotating part is not connected with the linkage part, the handle only needs to be rotated to drive the displacement sliding section to rotate, so that the displacement probe of the displacement sensor is subjected to displacement change along with the sliding of the displacement sliding section, the reverse locking device is triggered, and the door handle is locked. The problem that the clutch is locked and can not be unlocked can be avoided.

Description

Clutch device and door lock with reversely locked handle thereof

Technical Field

The utility model relates to a lock field especially relates to a clutch and lock of handle back lock thereof.

Background

In the prior art, intelligent door locks have been generally popularized, and at the time, existing door locks are not provided with safety devices generally, and unlocking can be realized by pressing down a handle indoors, so that a mobile phone is provided for lawless persons. Lawbreakers can pass a special tool through the cat eye by destroying the cat eye on the security door to easily realize the rotation of the handle, so that the common door lock has huge potential safety hazards, and part of the door locks in the prior art are provided with a back locking mechanism, but in the prior art, the back locking of the door lock is usually performed by a back locking knob which is independently arranged, and the specific examination and reference patent application number is as follows: CN201821445879.0, filed as follows: 20180905, the date of the authorized bulletin is: 20191022A novel intelligent door lock utility model. The door lock is complex in structure and not concise, and indoor handle locking cannot be carried out both indoors and outdoors.

On the other hand prior art still can appear lock separation and reunion card and die, among the prior art, usually pass through the thimble passes linkage portion and rotation portion realize being connected between them, but the problem that the clutch thimble blocks easily, the leading cause is linkage portion does not have the function of returning the positive automatically, locates the thimble vacancy in linkage portion and staggers with the thimble easily, leads to can not realizing linkage portion with the linkage of movable part and then carry out the problem of unblanking, like this also need be whole taking apart the lock and carry out the manual processing of returning positive. The steps are complicated and the operation is not easy.

Therefore, the prior art needs to be improved.

SUMMERY OF THE UTILITY MODEL

In view of the above drawbacks and deficiencies of the prior art, i.e. in view of the above, there is a need for a door lock engaging and disengaging device and a door lock thereof, which can not only solve the problems of complicated structure of the back lock, inconvenient operation and poor anti-theft performance, but also avoid the problem of engaging and disengaging to lock the door.

In order to achieve the above object, the utility model provides a clutch and lock thereof has taken following technical scheme:

the utility model provides a clutch, includes the rotation portion of being connected with outside handle, the linkage portion and the second fastener of being connected with outside lock body, rotation portion with linkage portion passes through the connection can be dismantled to the second fastener, rotation portion is equipped with the displacement sliding section, the displacement sliding section for the rotation portion is sunken andor protrusion.

Preferably, the second fastener is a displacement rod, the displacement rod is arranged on one side of the rotating portion, an installation channel is arranged on the rotating portion, a first limiting part is convexly arranged at a position, corresponding to the installation channel, of the linkage portion, the first limiting part is accommodated in the installation channel, a first limiting hole is formed in the first limiting part, a second limiting hole is formed in the rotating portion and communicated with the first limiting hole, the displacement rod moves back and forth in the first limiting hole and the second limiting hole, and the rotating portion and the linkage portion are detachably connected.

Preferably, the second fastening member and the displacement sliding section are arranged at two opposite ends of the rotating part.

Preferably, the rotating part comprises a first rotating part and a second rotating part, the first rotating part comprises a plate-shaped platform and a connecting rod, first blocking parts are symmetrically arranged on two sides of the linkage part, a torsion spring is sleeved on the connecting rod, and two ends of the torsion spring are arranged on one side of the first blocking parts and are clamped with the first blocking parts.

Preferably, the first blocking pieces are arranged on two sides of the second limiting hole.

A door lock with handle lock, comprising: a housing; a drive member mounted on the housing, the drive member including a handle; a lock body; the clutch device comprises a rotating part connected with an external handle, a linkage part connected with an external lock body and a second fastener, wherein first stoppers are symmetrically arranged on two sides of the linkage part, the rotating part is detachably connected with the linkage part through the second fastener, the rotating part is provided with a displacement sliding section which is sunken or protruded relative to the rotating part, one end of the rotating part, far away from the linkage part, is connected with the handle, and one end of the linkage part, far away from the rotating part, is connected with the lock body; still include displacement sensor and anti-locking device, displacement sensor includes the displacement probe, the displacement probe with displacement sliding section sliding connection, displacement sensor with anti-locking device electric connection, anti-locking device with the handle is connected.

Preferably, the anti-locking device comprises a latch, and a recess is formed on the door handle corresponding to the latch.

Preferably, the driving member further comprises: the push rod motor comprises an arc-shaped push surface, and the arc-shaped push surface is connected with the second fastening device in a sliding mode. And the unlocking device is electrically connected with the push rod motor.

Preferably, the lock further comprises a rear cover, a mounting hole is formed in the rear cover, the mounting hole is used for mounting the lock body, and the unlocking device is a fingerprint unlocking device.

Preferably, the rotating part includes a first rotating part and a second rotating part, the first rotating part includes a plate-shaped platform and a connecting rod, the connecting rod is further sleeved with a torsion spring, the housing is further symmetrically provided with second blocking parts, the second blocking parts are clamped on one side of the first blocking parts, and the second blocking parts and two ends of the torsion spring are respectively arranged on two opposite sides of the first blocking parts.

Has the advantages that:

1. this patent is through setting up displacement sliding section, and passes through the second fastener is right the rotation portion and the connection can be dismantled to linkage portion, works as rotation portion with when linkage portion does not connect, only need rotate the handle, drive displacement sliding section rotates, makes displacement sensor's displacement probe along with displacement sliding section's slip takes place the displacement change, thereby triggers anti-locking device, it is right the door handle locks.

2. The utility model discloses be equipped with first fender piece and torsional spring with when the cooperation of second fender piece was used, linkage portion can pass through when rotating first fender piece drives the torsional spring takes place to deform, loosens during the handle the elasticity that circles round of torsional spring drives first fender piece reversal, second fender piece both ends are located with the place one side that the torsional spring is relative, right first fender piece carries on spacingly, will linkage portion returns to exact position, avoids first spacing hole and the skew takes place in the spacing hole of second.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic view showing an exploded structure of a clutch device according to embodiment 1;

FIG. 2 is a schematic view of the linkage part of the present invention;

FIG. 3 is a schematic view of a second rotating member according to the present invention;

fig. 4 is a schematic structural view of the first rotating member of the present invention;

FIG. 5 is a schematic view of the clutch device of the present invention;

fig. 6 is the schematic view of the door lock structure of the present invention.

The reference numbers illustrate:

1. the device comprises a rotating part, 10, a first rotating part, 100, a second limiting part, 101, a plate-shaped platform, 102, a displacement sliding section, 103, an intersection point, 104, a connecting rod, 11, a second rotating part, 110, a second limiting hole, 110, a groove, 111, an installation channel, 2, a linkage part, 20, a first limiting part, 200, a first limiting hole, 201, a bending section, 202, a limiting ring, 21, a first stopper, 3, a first fastener, 3, a fastening bolt, 4, a second fastener, 4, a displacement rod, 5, a torsion spring, 50, one end of the torsion spring, 60, an installation through hole, 70, a handle, 700, a groove, 71, a push rod motor, 710, an arc-shaped push surface, 73, a displacement sensor, 730, a displacement probe, 79 and a clutch device.

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Example 1

The present embodiment provides a clutch device 9, which achieves the purpose of replacing the edge without detaching the door handle 70 and locking the door handle 70 by using the rotating part 1 of the clutch device 9, the sliding part 102 and the matching fastener.

Referring to fig. 1, 2 and 3, a clutch device 9 of the present embodiment includes a rotating portion 1 and a linking portion 2, wherein the rotating portion 1 is used for connecting an external force applying member, such as a door handle 70, a rotary knob, etc., and the linking portion 2 is connected with an internal lock body; the device also comprises a first fastening part and a second fastening part; the rotating part 1 comprises a first rotating part 10 and a second rotating part 11, the first rotating part 10 and the second rotating part 11 are detachably connected through the first fastening piece 3, when the first fastening piece 3 is loosened, the first rotating part 10 and the second rotating part 11 are respectively two parts, when the first rotating part 10 rotates, the second rotating part 11 is not moved, when the handle 70 is rotated to adjust the direction of the handle 70, the internal structure is not affected, and the edge change of the handle 70 can be simply realized; the first fastening piece 3 can be a clamping device which can be remotely controlled, a bolt fastening device and the like. The second rotates piece 11 with linkage portion 2 passes through second fastener 4 can dismantle the connection, be used for with rotation portion 1 and linkage portion 2 is synthetic a whole, and the whole rotates and realizes unblanking, second fastener 4 can be electric telescopic handle, thimble etc, second rotates piece 11 and presss from both sides and locates first rotation piece 10 with the second rotates between the piece 11.

Specifically, the first fastening member 3 is a fastening bolt 3, the first fastening member 3 extends through the first rotating member 10 to the second rotating member 11, the second rotating member 11 is provided with a groove 110 corresponding to the first fastening member 3, one end of the first fastening member 3 is accommodated in the groove 110, the groove wall of the groove 110 is provided with a thread matched with the fastening bolt 3, optionally, the first side wall is provided with a thread matched with the fastening bolt 3, the other end of the first fastening piece 3 without the thread is arranged corresponding to the position of the installation through hole 60 on the door panel, when the direction of the handle 70 on the door panel needs to be changed, the fastening bolt 3 is rotated through the mounting through hole 60, the fixed connection between the first rotating piece 10 and the second rotating piece 11 is disconnected, and the handle 70 is rotated to adjust the direction of the door handle 70.

Specifically, the second fastening member 4 is a displacement rod 4, the displacement rod 4 is arranged on one side of the second rotating member 11, the second rotating member 11 is provided with a mounting channel 111 for communicating the first rotating member 10 and the linkage part 2, the installation channel 111 can be a circular installation channel 111, a square installation channel 111, etc., the present invention is not particularly limited, a first limiting member 20 is convexly disposed at a position of the linkage portion 2 corresponding to the mounting channel 111, the first limiting member 20 is accommodated in the installation channel 111, a first limiting hole 200 is formed on the first limiting member 20, the second rotating member 11 is provided with a second limiting hole 110 communicating with the first limiting hole 200, the displacement rod 4 moves back and forth in the first limit hole 200 and the second limit hole 110, and detachably connects the second rotating member 11 and the linkage portion 2; specifically, the first displacement rod 4 is a thimble, a round rod, or the like, one end of the displacement rod 4 is accommodated in the first limiting hole 200 and the second limiting hole 110, and the other end of the displacement rod 4 is connected to an external driving component to drive the displacement rod 4 to move back and forth in the first limiting hole 200 and the second limiting hole 110, so as to realize the fixed connection and the movable connection of the second rotating member 11 and the linkage portion 2, and when the first rotating member 10, the second rotating member 11, and the linkage portion 2 are fixedly connected, the lock body can be driven to rotate by the rotation of the external door handle 70, so as to realize unlocking. Optionally, a compression spring is further disposed in the second limiting hole 110, the compression spring is connected to one end of the displacement rod 4, when the external driving member does not apply an inward force to the displacement rod 4, the spring ejects the displacement rod 4 to achieve back-and-forth movement of the displacement rod 4, and the displacement rod 4 can also achieve extension and retraction through a movable connection with the external driving member.

Specifically, a second limiting member 100 is convexly disposed at one end of the first rotating member 10 connected to the second rotating member 11, the first limiting member 20 is an arc-shaped protruding first limiting section, two ends of the arc-shaped protruding first limiting section extend towards an arc center to form a limiting ring 202, and the second limiting member 100 is accommodated in the installation channel 111 and moves in the limiting ring 202.

Specifically, the first rotating member 10 includes a plate-shaped platform 101 and a connecting rod 104, the plate-shaped platform 101 includes two opposite planes and a side wall enclosing the planes, the side wall includes two displacement sliding sections 102 symmetrically disposed, the two displacement sliding sections 102 meet at an intersection point 103, the intersection point 103 is opposite to the position of the first fastening member 3, the other ends of the two displacement sliding sections 102 are respectively connected with another arc section, the displacement sliding sections 102 are connected with an external displacement sensor 73, and when the first rotating member 10 is rotated, the displacement sensor 73 detects displacement change along with the sliding of the displacement sliding sections 102, so as to realize anti-lock.

Further, the first fastening members 3 include two, which are disposed at the intersection point 103 and the end opposite to the intersection point 103, the limiting ring 202 is a semicircular limiting ring 202, the bending section 201 is disposed on the symmetry line of the two arc sections, the first limiting hole 200 is disposed at the middle position of the arc protrusion, the two sides of the linkage member are further symmetrically provided with first blocking members 21, the first blocking members 21 are disposed at the two sides of the linkage portion 2 and correspond to the bending section 201, the connecting rod 104 is further sleeved with a torsion spring 5, the two ends 50 of the torsion spring are disposed at one side of the first blocking member 21, and the limitation of the linkage portion 2 is realized by the torsion spring 5 and the blocking members.

Example 2

The present embodiment provides a door lock with the clutch device 9 described in embodiment 1, wherein the rotating part 1 of the clutch device 9 is arranged in a sectional manner, and the purpose of changing edges without detaching the door handle 70 is achieved by matching with a fastening member. Referring to fig. 1, fig. 2 and fig. 3, a door lock of this embodiment includes a housing, a driving member, a clutch device 9, and a lock body, wherein the driving member is mounted on the housing, and the driving member includes a handle 70; the door handle 70 and the clutch device 9 are disposed on both sides of the housing; the clutch device 9 comprises a rotating part 1 and a linkage part 2, wherein the rotating part 1 is used for connecting a door handle 70, and the linkage part 2 is connected with the lock body; the clutch device 9 further comprises a first fastening part and a second fastening part; the rotating part 1 comprises a first rotating part 10 and a second rotating part 11, the first rotating part 10 and the second rotating part 11 are detachably connected through the first fastening piece 3, when the first fastening piece 3 is loosened, the first rotating part 10 and the second rotating part 11 are respectively two parts, when the first rotating part 10 rotates, the second rotating part 11 is not moved, when the handle 70 is adjusted by the rotating handle 70, the internal structure is not affected, and the edge change of the handle 70 can be simply realized; the first fastening piece 3 can be a clamping device which can be remotely controlled, a bolt fastening device and the like. The second rotates piece 11 with linkage portion 2 passes through second fastener 4 can dismantle the connection, be used for with rotation portion 1 and linkage portion 2 is synthetic a whole, and the whole rotates and realizes unblanking, second fastener 4 can be electric telescopic handle, thimble etc, second rotates piece 11 and presss from both sides and locates first rotation piece 10 with the second rotates between the piece 11. The shell is further provided with a mounting through hole 60, and the first fastening piece 3 corresponds to the mounting through hole 60 in position.

Specifically, the first fastening member 3 is a fastening bolt 3, the first fastening member 3 extends through the first rotating member 10 to the second rotating member 11, the second rotating member 11 is provided with a groove 110 corresponding to the first fastening member 3, one end of the first fastening member 3 is accommodated in the groove 110, the groove wall of the groove 110 is provided with a thread matched with the fastening bolt 3, optionally, the first side wall is provided with a thread matched with the fastening bolt 3, the other end of the first fastening piece 3 without the thread is arranged corresponding to the position of the installation through hole 60 on the door panel, when the direction of the handle 70 on the door panel needs to be changed, the fastening bolt 3 is rotated only through the mounting through hole 60, the fixed connection between the first rotating piece 10 and the second rotating piece 11 is disconnected, and the handle 70 is rotated to adjust the direction of the door handle 70.

Specifically, the driving member further includes: the push rod motor 71 comprises an arc-shaped push surface 710, and the arc-shaped push surface 710 is connected with the second fastening device in a sliding manner; the unlocking device is electrically connected to the push rod motor 71. The unlocking device can be a fingerprint unlocking device and a password unlocking device, the second fastening member 4 is a displacement rod 4, the displacement rod 4 is arranged at one side of the second rotating member 11, the second rotating member 11 is provided with an installation channel 111 communicating the first rotating member 10 and the linkage part 2, the installation channel 111 can be a round installation channel 111, a square installation channel 111 and the like, the utility model does not need to be limited in particular, the linkage part 2 is convexly provided with a first limiting member 20 corresponding to the position of the installation channel 111, the first limiting member 20 is accommodated in the installation channel 111, the first limiting member 20 is provided with a first limiting hole 200, the second rotating member 11 is provided with a second limiting hole 110 communicating the first limiting hole 200, the displacement rod 4 moves back and forth in the first limiting hole 200 and the second limiting hole 110, detachably connecting the second rotating member 11 and the linkage portion 2; specifically, the displacement rod 4 is a thimble, a round rod, etc., one end of the displacement rod 4 is accommodated in the first limiting hole 200 and the second limiting hole 110, and the other end of the displacement rod 4 is connected to the arc-shaped pushing surface 710 of the push rod motor 71, so as to drive the displacement rod 4 to move back and forth in the first limiting hole 200 and the second limiting hole 110, thereby realizing the fixed connection and the movable connection of the second rotating member 11 and the linkage part 2, and when the first rotating member 10, the second rotating member 11 and the linkage part 2 are fixedly connected, the lock body can be driven to rotate by the rotation of the outer door handle 70, so as to realize unlocking.

Specifically, when the unlocking device is unlocked, the push rod motor 71 is driven to push up the displacement rod 4, so that the displacement rod 4 is accommodated in the first limiting hole 200 and the second limiting hole 110, and the fixed connection between the second rotating member 11 and the linkage portion 2 is realized, the unlocking device may be a fingerprint unlocking device, a password unlocking device, or the like, which is not specifically limited in the present invention, and the unlocking device is installed on the handle 70 or on a housing on the same surface as the handle 70.

Specifically, a second limiting member 100 is convexly disposed at one end of the first rotating member 10 connected to the second rotating member 11, the first position-limiting member 20 is an arc-shaped convex first position-limiting section, two ends of the arc-shaped convex first position-limiting section extend towards the arc center to form a bending section 201 to form a position-limiting ring 202, the second position-limiting member 100 is accommodated in the mounting channel 111 and moves in the position-limiting ring 202, and, when the unlocking means is mounted on the door handle 70, the inside of the handle 70 is hollow, the lines of the unlocking means can be pulled out of the opening of the stop collar 202 through the mounting channel 111 through the inside of the handle 70, since the opening of the retainer 202 is not changed when the handle 70 is changed, in this way, when the edge changing of the handle 70 is realized, the circuit of the unlocking device cannot be twisted and wound due to the edge changing of the handle 70, so that the circuit is not damaged. It should be noted that, in this kind of scheme, be equipped with a circuit installation passageway between the first handle and the connecting channel, realize the circuit installation of unlocking device.

Specifically, the first rotating member 10 includes a plate-shaped platform 101 and a connecting rod 104, the plate-shaped platform 101 includes two opposite planes and a side wall enclosing the planes, the side wall includes two displacement sliding sections 102 symmetrically disposed, the two displacement sliding sections 102 meet at an intersection point 103, the intersection point 103 is opposite to the position of the first fastening member 3, the other ends of the two displacement sliding sections 102 are respectively connected with another arc section, the displacement sliding sections 102 are connected with an external displacement sensor 73, and when the first rotating member 10 is rotated, the displacement sensor 73 detects displacement change along with the sliding of the displacement sliding sections 102, so as to realize anti-lock.

Further, the door handle further comprises a displacement sensor 73 and an anti-locking device, wherein the displacement sensor 73 and the anti-locking device are of conventional design, the anti-locking device comprises a clamping tongue, and a recess is formed in the door handle 70 corresponding to the clamping tongue. The displacement sensor 73 includes a displacement probe 730, the displacement probe 730 is slidably connected to the displacement slide section 102, the sensor is electrically connected to the lock-back device, the lock-back device is connected to the handle 70, and when the displacement is detected by the displacement probe to change to a certain value, the lock tongue of the lock-back device is triggered to eject out and be accommodated in the groove 110, so as to lock the position of the door handle 70.

Specifically, the housing is further symmetrically provided with second stoppers, the second stoppers are fastened to one side of the first stopper 21, the second stoppers and the two ends 50 of the torsion spring are respectively disposed on two opposite sides of the first stopper 21, the first fastening member 3 comprises two parts, the two parts are disposed at one end of the intersection point 103 opposite to the intersection point 103, the limiting ring 202 is a semicircular limiting ring 202, the bending section 201 is disposed on a symmetry line of the two arc sections, the first limiting hole 200 is disposed at a middle position of the arc projection, the two sides of the linkage member are further symmetrically provided with the first stoppers 21, the first stoppers 21 are disposed at two sides of the linkage portion 2 and correspond to the bending section 201, the connecting rod 104 is further sleeved with a torsion spring 5, the two ends 50 of the torsion spring are disposed at one side of the first stopper 21, the limit of the linkage part 2 is realized through the torsion spring 5 and the stopper.

In this embodiment, the handle is installed at one side outside the housing, the lock body is installed at the other side of the housing, the unlocking device is installed in the handle, an operation interface of the unlocking device is exposed on the handle, the circuit of the unlocking device control chip and other elements are installed in the housing, the installation through hole is formed in a surface corresponding to the lock body, and the free end of the first fastening member is arranged corresponding to the installation through hole.

The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.

Claims (10)

1. The utility model provides a clutch, includes the rotation portion of being connected with outside handle, the linkage portion and the second fastener of being connected with outside lock body, rotation portion with linkage portion passes through the connection can be dismantled to the second fastener, its characterized in that, rotation portion is equipped with displacement sliding section, displacement sliding section for rotation portion is sunken andor protrusion.

2. The clutch device according to claim 1, wherein the second fastening member is a displacement rod, the displacement rod is disposed on one side of the rotating portion, an installation channel is disposed on the rotating portion, a first limiting member is disposed at a position of the linkage portion corresponding to the installation channel, the first limiting member is received in the installation channel, a first limiting hole is disposed on the first limiting member, a second limiting hole is disposed on the rotating portion and communicated with the first limiting hole, and the displacement rod moves back and forth in the first limiting hole and the second limiting hole to detachably connect the rotating portion and the linkage portion.

3. A clutch assembly according to claim 1, wherein said second fastening means and said displacement slider are provided at opposite ends of said rotating portion.

4. The clutch device according to claim 2, wherein the rotating portion includes a first rotating member and a second rotating member, the first rotating member includes a plate-shaped platform and a connecting rod, the two sides of the linking portion are symmetrically provided with first stoppers, the connecting rod is further sleeved with a torsion spring, and two ends of the torsion spring are disposed on one side of the first stoppers and are clamped with the first stoppers.

5. The clutch device according to claim 4, wherein the first stoppers are disposed on two sides of the second limiting hole.

6. A door lock for handle lock, comprising:

a housing;

a drive member mounted on the housing, the drive member including a handle;

a lock body;

the clutch device according to any one of claims 1 to 5, comprising a rotating part connected with an external handle, a linkage part connected with an external lock body and a second fastener, wherein the two sides of the linkage part are symmetrically provided with first stoppers, the rotating part and the linkage part are detachably connected through the second fastener, the rotating part is provided with a displacement slide section which is concave and/or convex relative to the rotating part, one end of the rotating part far away from the linkage part is connected with the handle, and one end of the linkage part far away from the rotating part is connected with the lock body;

still include displacement sensor and anti-locking device, displacement sensor includes the displacement probe, the displacement probe with displacement sliding section sliding connection, displacement sensor with anti-locking device electric connection, anti-locking device with the handle is connected.

7. A handle bar lock according to claim 6 wherein the locking means comprises a latch and the handle bar has a recess corresponding to the latch.

8. A handle bar lock according to claim 6 wherein the actuating member further comprises: the push rod motor comprises an arc-shaped push surface, and the arc-shaped push surface is connected with the second fastener in a sliding manner; and the unlocking device is electrically connected with the push rod motor.

9. The door lock of claim 8, further comprising a rear cover, wherein the rear cover has a mounting hole, the mounting hole is used for mounting the lock body, and the unlocking device is a fingerprint unlocking device.

10. The door lock with the handle back lock as claimed in claim 6, wherein the rotating part comprises a first rotating member and a second rotating member, the first rotating member comprises a plate-shaped platform and a connecting rod, the connecting rod is further sleeved with a torsion spring, the housing is further symmetrically provided with second blocking members, the second blocking members are clamped on one side of the first blocking members, and two ends of the second blocking members and two ends of the torsion spring are respectively arranged on two opposite sides of the first blocking members.

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