CN211900076U

CN211900076U - Clutch device and door lock thereof

Info

Publication number: CN211900076U
Application number: CN201922493783.2U
Authority: CN
Inventors: 刘钰
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-11-10
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses a clutch device, which comprises a rotating part connected with an external handle and a linkage part connected with an internal lock body, and is characterized by also comprising a first fastener and a second fastener; the rotating part comprises a first rotating part and a second rotating part, the first rotating part and the second rotating part are detachably connected through a first fastener, the second rotating part is connected with the linkage part through a second fastener, and the second rotating part is clamped between the first rotating part and the second rotating part. The problem that the door handle edge-changing operation is complex and the anti-theft performance is poor can be solved, and the problem that the door handle cannot be unlocked due to clutch locking can be avoided.

Description

Clutch device and door lock thereof

Technical Field

The utility model relates to a lock field especially relates to an engaging and disengaging gear and lock thereof.

Background

In the prior art, a door lock body, a door lock clutch, a handle panel and other components are generally assembled together and installed on an early door, the door lock clutch generally comprises a moving part connected with the door handle and a linkage part connected with the lock body, the rotating part and the linkage part realize the fixation of the rotating part and the linkage part through a thimble, the door handle, the linkage part and the moving part are synchronously connected and rotated, and the rotated door handle can be designed to rotate the linkage part, so that the door lock clutch, the handle panel and the like need to be detached when the door handle changes edges, and the structure needs to be readjusted.

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.

On the other hand, in the prior art, a common door lock is not provided with a safety device, and unlocking can be realized by pressing down a handle indoors, which provides a riding opportunity for lawbreakers. Lawbreakers can easily rotate the handle by breaking the cat eye on the anti-theft door and passing a special tool through the cat eye, so that the common door lock has huge potential safety hazards.

Therefore, the prior art needs to be improved.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned drawbacks and disadvantages of the prior art, it is desirable to provide a door lock engaging and disengaging device and a door lock thereof, which can not only solve the problems of complicated door handle trimming operation and poor anti-theft performance, but also avoid the problem of engaging and disengaging, and preventing unlocking.

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

a clutch device comprises a rotating part connected with an external handle, a linkage part connected with an external lock body, a first fastener and a second fastener; the rotating part comprises a first rotating part and a second rotating part, the first rotating part and the second rotating part are detachably connected through a first fastener, the second rotating part is connected with the linkage part through a second fastener, and the second rotating part is clamped between the first rotating part and the second rotating part.

Preferably, the first fastening piece is a fastening bolt, the first fastening piece penetrates through the first rotating piece and extends to the second rotating piece, a groove is formed in the second rotating piece corresponding to the first fastening piece, one end of the first fastening piece is accommodated in the groove, threads matched with the fastening bolt are arranged on the groove wall of the groove, and threads matched with the fastening bolt are selectively arranged on the first rotating piece.

Preferably, the second fastening member is a displacement rod, the displacement rod is arranged on one side of the second rotating member, an installation channel communicated with the first rotating member and the linkage portion is arranged on the second rotating member, a first limiting member is convexly arranged at a position of the linkage portion corresponding to the installation channel, the first limiting member is accommodated in the installation channel, a first limiting hole is arranged on the first limiting member, a second limiting hole is arranged on the second rotating member 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 second rotating member and the linkage portion.

Preferably, a second limiting part is convexly arranged at one end of the first rotating part, which is connected with the second rotating part, the first limiting part is an arc-shaped raised first limiting section, two ends of the arc-shaped raised first limiting section extend towards the arc center direction to form a limiting ring, and the second limiting part is accommodated in the installation channel and moves in the limiting ring.

Preferably, the first rotating member includes a plate-shaped platform and a connecting rod, the plate-shaped platform includes two opposite planes and a side wall surrounding the planes, the side wall includes two arc-shaped sliding sections symmetrically arranged, the two arc-shaped sliding sections meet at a meeting point, the meeting point is opposite to the position of the first fastening member, and the other ends of the two arc-shaped sliding sections are respectively connected with the other arc-shaped section.

Preferably, the two sides of the linkage part are symmetrically provided with first blocking parts, the first blocking parts are arranged on the two sides of the movable part and correspond to the bending sections, the optional second rotating part is further provided with a third blocking part corresponding to the first blocking part, the connecting rod is further sleeved with a torsion spring, and two ends of the torsion spring are arranged on one side of the first blocking part and one side of the third blocking part.

Preferably, the first fastening piece includes two, locates the junction and the opposite one end of junction, the spacing collar is semi-circular spacing collar, just the bending section is located on the symmetry line of two segmental arcs, first spacing hole is located the bellied intermediate position of arc.

A door lock, comprising: a panel, a drive mounted on the panel, the drive including a handle; a lock body; one end of the rotating part, which is far away from the linkage part, of the clutch device is connected with the handle, and one end of the linkage part, which is far away from the rotating part, of the linkage part is connected with the lock body; the panel is provided with an installation through hole, and the first fastener corresponds to the installation through hole in position.

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 manner; and the unlocking device is electrically connected with the push rod motor.

Preferably, the displacement sensor comprises a displacement probe, the rotating part comprises a first rotating part and a second rotating part, the displacement probe is connected with the arc-shaped sliding sections in a sliding manner, the first rotating part comprises a plate-shaped platform and a connecting rod, the plate-shaped platform comprises two opposite planes and a side wall surrounding the planes, and the side wall comprises two arc-shaped sliding sections which are symmetrically arranged; the displacement probe is connected with the arc-shaped sliding section in a sliding mode, the sensor is electrically connected with the back locking device, and the back locking device is connected with the handle.

Preferably, the first rotating member includes a plate-shaped platform and a connecting rod, the connecting rod is further sleeved with a torsion spring, the panel is further symmetrically provided with second blocking members, two sides of the linkage portion are further symmetrically provided with first blocking members, the second blocking members are clamped and arranged 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 sides of the first blocking members, which are opposite to each other.

Has the advantages that:

1. this patent adopts sectional type clutch, and passes through first fastener is connected, the movable part is equipped with first rotation piece and the second rotation piece, when needs carry out the operation of handle change of sides, only needs to incite somebody to action first fastener loosens, just can separate the handle with linkage portion and second rotation piece, rotates the handle regulation alone and fastens the realization change of sides.

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.

3. The utility model discloses a be equipped with displacement detection device and with displacement detection device corresponding arc sliding section and anti-lock device mutually support and realize the door handle pull-up anti-lock, work as the second rotates the piece with when linkage portion is disconnected, 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 and changes, thereby triggers anti-lock device, right the door handle locks.

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 internal structure of the door lock of the present invention.

The reference numbers illustrate:

1. the locking device comprises a rotating part, 10, a first rotating part, 100, a second limiting part, 101, a plate-shaped platform, 102, an arc-shaped 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, two ends of the torsion spring, 6, a panel, 60, an installation through hole, 7, a driving part, 70, a handle, 71, a push rod motor, 710, an arc-shaped pushing surface, 72, an unlocking device, 73, a displacement sensor, 730, a displacement probe, 74, an anti-locking device, 75, a second stopper, 8, a lock body, 9 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 embodiment provides a clutch device, which achieves the purpose that the door handle 70 is not required to be detached for changing the edge by arranging the rotating part 1 of the clutch device in a sectional manner and matching with a fastener.

Referring to fig. 1, 2 and 3, a clutch device 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 to 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 7 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 7.

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 arc-shaped sliding sections 102 symmetrically arranged, the two arc-shaped sliding sections 102 meet at a meeting point 103, the meeting point 103 is opposite to the position of the first fastening member 3, the other ends of the two arc-shaped sliding sections 102 are respectively connected with another arc-shaped section, the arc-shaped 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 arc-shaped sliding sections 102, so that the anti-lock is realized.

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 movable portion 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 through the torsion spring 5 and the blocking members.

Example 2

The present embodiment provides a door lock with the clutch device described in embodiment 1, which achieves the purpose of changing the edge without detaching the door handle 70 by means of the sectional arrangement of the 1 part of the rotating part of the clutch device and the cooperation of the fastening member. Referring to fig. 1, fig. 2 and fig. 3, a door lock of the present embodiment includes a housing 6, a driving member 7, a clutch device and a lock body; the driving member 7 is mounted on the housing 6, the driving member 7 comprises a handle 70; the door handle 70 and the clutch device are disposed on both sides of the housing 6; the clutch device 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 further comprises a first fastening component and a second fastening component; 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 6 is further provided with an installation through hole 60, and the first fastening piece 3 corresponds to the installation 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 7 further includes: the push rod motor 71 and the unlocking device 72, the push rod motor 71 includes an arc-shaped push surface 710, and the arc-shaped push surface 710 is slidably connected with the second fastening device; the unlocking device 72 is electrically connected to the push rod motor 71. The unlocking device 72 can be a fingerprint unlocking device 72 and a password unlocking device 72, the second fastening member 4 can be 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 discloses without specific limitation, 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.

Optionally, an arc-shaped sliding rail is further disposed on the arc-shaped pushing surface 710 corresponding to the twisting direction of the handle 70, one end of the displacement rod 4 connected to the arc-shaped sliding rail is accommodated in the arc-shaped sliding rail, the edge of the arc-shaped sliding rail is covered inwards, so that the displacement rod 4 slides in the arc-shaped sliding rail, and meanwhile, the sliding rail can push and pull the displacement rod 4, so that the displacement rod 4 can move back and forth in the first limiting hole 200 and the second limiting hole 110, and the fixed and non-fixed state control of the linkage part 2 and the rotating part 1 is realized. 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 7 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, the displacement rod 4 can also achieve stretching through a movable connection with the external driving member 7, and fixation and non-fixation state control of the linkage portion 2 and the rotation portion 1 are achieved. In this embodiment, a scheme is adopted in which a compression spring is further disposed in the second limiting hole 110, and the compression spring is connected to one end of the displacement rod 4, when the external driving member 7 does not apply an inward force to the displacement rod 4, the spring ejects the displacement rod 4, and when the external driving member 7 applies an inward force to the displacement rod 4, the displacement rod 4 is pushed into the first limiting hole 200 and the second limiting hole 110, so as to achieve the back-and-forth movement of the displacement rod 4.

Specifically, when the unlocking device 72 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 second rotating member 11 and the linkage portion 2 are fixedly connected.

Specifically, the 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, the second limiting member 100 is accommodated in the installation channel 111 and moves in the limiting ring 202, when the unlocking device 72 is installed on the door handle 70, the inside of the handle 70 is hollow, the circuit of the unlocking device 72 can be pulled out from the opening of the limiting ring 202 through the installation channel 111 through the inside of the handle 70, because the opening of the limiting ring 202 is unchanged when the handle 70 is changed in edge, in this way, the circuit of the unlocking device 72 cannot be twisted and wound due to the edge change of the handle 70 when the handle 70 is changed in edge, causing damage to the circuit. It should be noted that, in this solution, a line installation channel 111 is provided between the first handle 70 and the connection channel, so as to implement line installation of the unlocking device 72.

Further, the door lock further comprises a displacement sensor 73 and an anti-locking device 74, the fox-searching displacement sensor 73 and the anti-locking device 74 are designed conventionally, the displacement sensor 73 comprises a displacement probe 730, the displacement probe 730 is slidably connected with the arc-shaped sliding section 102, the sensor is electrically connected with the anti-locking device 74, the anti-locking device 74 is connected with the handle 70, and when the displacement probe 730 detects that the displacement changes to a certain value, the anti-locking device 74 is triggered to be started to lock the position of the handle 70.

Specifically, the housing 6 is further symmetrically provided with a second stopper, the second stopper is engaged with one side of the first stopper 21, the second stopper and the two ends 50 of the torsion spring are respectively arranged at the two opposite sides of the first stopper 21, the first fastening pieces 3 comprise two, are arranged at the junction point 103 and at the end opposite to the junction point 103, the spacing ring 202 is a semicircular spacing ring 202, the bending section 201 is arranged on the symmetrical line of the two arc sections, the first limit hole 200 is arranged in the middle of the arc bulge, the two sides of the linkage part are also symmetrically provided with first blocking parts 21, the first blocking parts 21 are arranged on the two sides of the movable part and correspond to the bending section 201, the connecting rod 104 is further sleeved with a torsion spring 5, two ends 50 of the torsion spring are arranged on one side of the first stopper 21, and the linkage part 2 is limited through the torsion spring 5 and the stopper.

In this embodiment, the handle 70 is installed at one side of the exterior of the housing, the lock body is installed at the other side of the housing, the unlocking device 72 is installed in the handle 70, the operation interface of the unlocking device 72 is exposed on the handle 70, the circuit of the control chip of the unlocking device 72 and other elements are installed in the interior of the housing, the installation through hole 60 is provided at a side corresponding to the lock body, and the free end of the first fastening member 3 is provided corresponding to the installation through hole 60.

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

1. A clutch device comprises a rotating part connected with an external handle and a linkage part connected with an external lock body, and is characterized by also comprising a first fastener and a second fastener; the rotating part comprises a first rotating part and a second rotating part, the first rotating part and the second rotating part are detachably connected through a first fastener, the second rotating part is connected with the linkage part through a second fastener, and the second rotating part is clamped between the first rotating part and the linkage part.

2. The clutch device according to claim 1, wherein the first fastening member is a fastening bolt, the first fastening member extends through the first rotating member to the second rotating member, the second rotating member is provided with a groove corresponding to the first fastening member, one end of the first fastening member is accommodated in the groove, a wall of the groove is provided with a thread engaged with the fastening bolt, and the first rotating member is provided with a thread engaged with the fastening bolt.

3. 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 second rotating member, the second rotating member is provided with an installation channel communicating the first rotating member with the linkage portion, the linkage portion is provided with a first limiting member protruding from a position corresponding to the installation channel, the first limiting member is accommodated in the installation channel, the first limiting member is provided with a first limiting hole, the second rotating member is provided with a second limiting hole communicating 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 second rotating member and the linkage portion.

4. The clutch device according to claim 3, wherein a second position limiting member is convexly disposed at one end of the first rotating member connected to the second rotating member, the first position limiting member is an arc-shaped protruding first position limiting section, two ends of the arc-shaped protruding first position limiting section extend in an arc center direction to form a position limiting ring, and the second position limiting member is accommodated in the installation channel and moves in the position limiting ring.

5. A clutch device according to claim 4, characterized in that the first rotating member comprises a plate-shaped platform and a connecting rod, the plate-shaped platform comprises two opposite planes and a side wall enclosing the planes, the side wall comprises two symmetrically arranged arc-shaped sliding sections, the two arc-shaped sliding sections meet at a meeting point, the meeting point is opposite to the position of the first fastening member, and the other ends of the two arc-shaped sliding sections are respectively connected with the other arc-shaped section.

6. The clutch device according to claim 5, wherein the first fastening members include two fastening members disposed at the junction and at an end opposite to the junction, the stop collar is a semicircular stop collar, the bending section is disposed on a symmetry line of the two arc sections, and the first stop hole is disposed at a middle position of the arc protrusion.

7. A door lock, comprising:

a panel is arranged on the top of the base plate,

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

a lock body;

the clutch device according to any one of claims 1 to 3, wherein an end of the rotating portion remote from the linkage portion is connected to the handle, and an end of the linkage portion remote from the rotating portion is connected to the lock body; the panel is provided with an installation through hole, and the first fastening piece corresponds to the installation through hole in position;

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, the plate-shaped platform comprises two opposite planes and a side wall which is arranged around the planes, and the side wall comprises two arc-shaped sliding sections which are symmetrically arranged.

8. A door lock according to claim 7,

the driver further includes: 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 7, further comprising a displacement sensor and an anti-lock device, wherein the displacement sensor comprises a displacement probe slidably connected to the arc-shaped sliding section,

the sensor with the anti-locking device electric connection, the anti-locking device with the handle is connected.

10. The door lock according to claim 7, wherein a torsion spring is further sleeved on the connecting rod, second stoppers are further symmetrically disposed on the panel, first stoppers are further symmetrically disposed on both sides of the linkage portion, the second stoppers are engaged with one side of the first stoppers, and both ends of the second stoppers and the torsion spring are disposed on both sides of the first stoppers opposite to each other.