CN218843988U - Clutch device for intelligent fingerprint door lock - Google Patents

Abstract

The utility model discloses a clutch device for an intelligent fingerprint door lock, which comprises an upper cover and a base, wherein the upper cover and the base are fixedly connected through a fixed screw, and a driver and a clutch are arranged between the upper cover and the base; the driver comprises a driving motor and an arc ejector rod which is integrally arranged with the driving motor; the clutch is including setting up clutch base on the base, clutch base periphery is provided with the screens, the last clutch cover that is provided with of clutch base, be provided with the recess on the clutch cover, be provided with flexible ejector pin in the recess, just under driving motor's drive the circular arc ejector pin with flexible ejector pin is in closed or the disengagement state. The utility model discloses its reasonable in design, simple structure, its operation is more stable and reliable, and is safer in the use, can satisfy the user demand more.

Description

Clutch device for intelligent fingerprint door lock

Technical Field

The utility model relates to an intelligence tool to lock technical field especially relates to an engaging and disengaging gear for intelligence fingerprint lock.

Background

The fingerprint lock is an intelligent lock, and is a perfect crystal of computer information technology, electronic technology, mechanical technology and modern hardware technology. The characteristics of the fingerprint become the most important evidence for identity identification and are widely applied to the fields of public security criminal investigation and judicial law, and the fingerprint authentication has the characteristics of convenience, rapidness, accuracy and the like. Along with the popularization of science and technology, the development of intelligent house, more and more crowds also begin to select the fingerprint lock, the core part of fingerprint lock include, mainboard, clutch, fingerprint sampler, cryptographic technique, microprocessor (cpu) and intelligent emergency key. The clutch in the intelligent lock is a device which must be used by a fingerprint lock, and in the field of fingerprint locks, the clutch is one of main core devices, the fingerprint lock clutch on the market at present has an integral structure of a base and an upper cover, the base is provided with a hole, a clutch pin is placed in the base, and the clutch pin is blocked by interference fit of a copper ring and the hole to prevent falling off, so that the requirement on the size of the hole position of the base is high, the copper ring is easy to fall off in the using process, and the clutch pin falls off to cause the clutch to lose efficacy; be provided with reset spring on the separation and reunion round pin, owing to receive electric machine motor's influence, the dynamics of spring is less, and when the fingerprint lock received the impact force in separation and reunion round pin direction of motion, the separation and reunion round pin can be because the impact force produces inertia, leads to the tool to lock to open, loses the theftproof function.

Then the chinese utility model patent that the grant bulletin number is CN215056230U has appeared, discloses a fingerprint lock safety clutch device, including panel and handle, panel outer wall center department is provided with the handle, panel inner wall center department is equipped with the base, base upper surface center department pegs graft and has the rotor, the upper cover has been cup jointed to the outside that is located the base of rotor, and upper cover and base pass through bolt reciprocal anchorage, the outside joint that is located the rotor between upper cover and the base has the separation and reunion round pin, reset spring has been cup jointed on the separation and reunion round pin.

The reset spring is sleeved on the clutch pin of the existing fingerprint lock safety clutch device, the guide sleeve is sleeved at one end, located on the reset spring, of the clutch pin, the hook is fixed on the driving shaft of the motor, the boss matched with the hook for use is arranged at one end, far away from the rotor, of the clutch pin, the clutch pin and the motor are not stable enough, and therefore the clutch pin is not convenient enough in the using process, and needs to be improved urgently.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a clutch for intelligence fingerprint lock, its reasonable in design, simple structure, its operation is more stable and reliable, and is safer in the use, can satisfy the user demand more.

(II) technical problems to be solved

In order to realize the purpose, the utility model adopts the technical scheme that:

a clutch device for an intelligent fingerprint door lock comprises an upper cover and a base, wherein the upper cover and the base are fixedly connected through a fixing screw, and a driver and a clutch are arranged between the upper cover and the base;

the driver comprises a driving motor and an arc ejector rod which is integrally arranged with the driving motor;

the clutch is including setting up clutch base on the base, clutch base periphery is provided with the screens, the last clutch cover that is provided with of clutch base, be provided with the recess on the clutch cover, be provided with flexible ejector pin in the recess, just under driving motor's drive the circular arc ejector pin with flexible ejector pin is in closed or the disengagement state.

Preferably, the telescopic ejector rod comprises a resetting piece arranged in the groove, and the resetting piece is provided with an ejector pin.

Preferably, the thimble includes horizontal portion and perpendicular portion, horizontal portion and perpendicular portion are integrated into one piece, the horizontal portion is located in the recess, just perpendicular portion with the screens is mutually supported.

Preferably, the reset piece is a spring.

Preferably, the separation and reunion base is including setting up direction button and setting on the base are in direction button plectrum on the direction button, the direction button with direction button plectrum center is provided with the handle head, just the overhead torsional spring that is provided with of handle, a direction button terminal surface is provided with mutual symmetric distribution arch, the both ends of torsional spring are just in time corresponding the arch, and every be provided with the device groove in the arch, be provided with the stop pin on the device groove, the stop pin with be provided with jump ring one between the device groove, just be provided with on the direction button plectrum with the corresponding stop pin hole of stop pin.

Preferably, the number of the limit nail holes is four, and the four limit nail holes are evenly distributed on the periphery of the direction button shifting piece at intervals.

Preferably, the handle head runs through and crosses base, direction button and direction button plectrum, and be in base one side handle head one end is provided with jump ring two, just the base opposite side handle head another end is provided with the bearing.

Preferably, the direction button and the direction button plectrum center all are provided with the centre bore, the centre bore can supply the handle head to run through and cross, just be provided with the fixture block on the centre bore of direction button plectrum, with it ground correspondingly, be provided with the draw-in groove on the handle head, the fixture block card is used for in the corresponding draw-in groove the handle head with the fixed connection of direction button plectrum.

Preferably, the clutch cover comprises a clutch driven button arranged on the clutch base and a torsion spring arranged on the clutch driven button, a limit block is arranged on the side of the clutch driven button, two ends of the torsion spring are both positioned on two sides of the limit block, and the clutch driven button penetrates through the upper cover.

Preferably, a cover is arranged on one end face of the clutch driven button.

Preferably, a clamp spring III is arranged on the clutch driven button on the outer surface of the upper cover.

Preferably, the driving motor comprises a clutch motor and a push rod arranged on the clutch motor, and the clutch motor is provided with the integrated arc ejector rod.

(III) technical effects to be achieved

Compared with the prior art, the beneficial effects of the utility model are that:

one of which, the utility model discloses the driver includes driving motor and sets up at the circular arc ejector pin with driving motor an organic whole, its circular arc ejector pin reasonable in design, simple structure, and the circular arc ejector pin makes the operation more stable and reliable, and is safer in the use, can satisfy the user demand more.

Second, the utility model discloses the clutch is including setting up the separation and reunion base on the base, separation and reunion base periphery is provided with the screens, be provided with the clutch lid on the separation and reunion base, the clutch is covered and is provided with the recess, be provided with flexible ejector pin in the recess, and circular arc ejector pin and flexible ejector pin are in closure or detached state under driving motor's drive, this kind of circular arc ejector pin and flexible ejector pin are in closure state under driving motor's drive, then flexible ejector pin is compressed to in recess and the screens, the separation and reunion base is connected as an organic whole through flexible ejector pin with the clutch lid this moment, it moves down with it at the separation and reunion base drive clutch lid like this, thereby play the state of unblanking, and circular arc ejector pin and flexible ejector pin are in detached state under driving motor's drive, then flexible ejector pin resumes original state from the recess, flexible ejector pin withdraws from the screens, separation and reunion base and clutch lid can's unable connection be as a whole this moment, the separation and reunion base can's together motion like this, thereby can's purpose that can's unblanking can't be played.

Drawings

Fig. 1 is an exploded schematic view of the present invention.

Fig. 2 is an explosion diagram of the present invention.

Fig. 3 is a perspective view of the present invention.

Fig. 4 is a schematic view of the main view direction of the present invention.

Fig. 5 isbase:Sub>A sectional view taken alongbase:Sub>A linebase:Sub>A-base:Sub>A in fig. 4.

Fig. 6 is a schematic view of the clutch base and the clutch cover assembled together by the driving motor pressing the arc push rod.

Fig. 7 is a schematic view of the driving motor pressing the clutch base under the arc ejector rod and the clutch cover assembled as a whole to rotate simultaneously to unlock.

In the figure: 1, covering the upper cover; 2, a base; 3, a driver; 4, a clutch; 31, a drive motor; 32, arc ejector rods; 41, a clutch base; 42, clamping; 43, a clutch cover; 44, telescoping ejector rods; 311, a clutch motor; 312, a push rod; 411, a direction knob; 412, a direction button; 413, handle head; 414, a torsion spring; 415, limit pins; 416, a clamp spring I; 417, clamp spring two; 418, bearings; 431, a clutch driven button; 432, a torsion spring; 433, a limiting block; 434, a cover; 435, clamp spring three; 441, a reset piece; 442, a thimble.

Detailed Description

In the description of the present invention, it should be noted that when an element is referred to as being "fixed" or "disposed on" another element, it can be directly on the other element or be indirectly connected to the other element. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or be indirectly connected to the other element.

In the description of the present invention, it should be noted that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and the description is only for convenience of description, and it is not intended to indicate or imply that the device or original which is referred to must have a specific position, be constructed and operated in a specific position, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise. The meaning of "a number" is one or more unless specifically limited otherwise.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the two original pieces can be directly connected or indirectly connected through an intermediate medium, or the interiors of the two original pieces are communicated. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In order to make the objects, technical solutions and advantages of the present invention more clear, the present invention is further described in detail through the accompanying drawings and embodiments. It should be understood, however, that the description herein of specific embodiments is for purposes of illustration only and is not intended to limit the scope of the present disclosure. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

The first embodiment is as follows: referring to fig. 1, 2 and 3, a clutch device for an intelligent fingerprint door lock comprises an upper cover 1 and a base 2, wherein the upper cover 1 and the base 2 are fixedly connected through a fixing screw, a driver 3 and a clutch 4 are arranged between the upper cover 1 and the base 2, the split structure is convenient to install and manufacture, and the driver 3 comprises a driving motor 31 and an arc ejector rod 32 integrally arranged with the driving motor 31; the clutch 4 includes a clutch base 41 disposed on the base 2, a detent 42 is disposed around the clutch base 41, a clutch cover 43 is disposed on the clutch base 41, a groove is disposed on the clutch cover 43, and a telescopic ejector rod 44 is disposed in the groove, as shown in fig. 6 and 7, and when the circular arc ejector rod 32 and the telescopic ejector rod 44 are in a closed state under the driving of the driving motor 31, the telescopic ejector rod 44 is compressed into the groove and the detent 42, and at this time, the clutch base 41 and the clutch cover 43 are connected into a whole through the telescopic ejector rod 44, so that the clutch base 41 drives the clutch cover 43 to move therewith, thereby achieving an unlocked state, and when the circular arc ejector rod 32 and the telescopic ejector rod 44 are in a separated state under the driving of the driving motor 31, the telescopic ejector rod 44 is restored from the groove to an original state, the telescopic ejector rod 44 is withdrawn from the detent 42, and at this time, the clutch base 41 and the clutch cover 43 cannot be connected into a whole, so that the clutch cover 43 cannot move together with the clutch base 41, thereby achieving the purpose of unlocking.

Example two: as shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, on the basis of the first embodiment, the retractable ejector rod 44 includes a reset element 441 disposed in the groove, the reset element 441 is provided with an ejector pin 442, and the ejector pin 442 compresses the reset element 441 by being pressed, so that the ejector pin 442 runs in the groove from outside to inside, and when the external force pressing the ejector pin 442 disappears, the ejector pin 442 returns to the original state in the groove from inside to outside under the action of the resilient force of the reset element 441. It should be noted that the thimble 442 includes a horizontal portion and a vertical portion, the horizontal portion and the vertical portion are integrally formed, the horizontal portion is located in the recess, and the vertical portion is matched with the detent 42, when the thimble 442 is pressed, the vertical portion is engaged in the detent 42, at this time, the clutch base 41 and the clutch cover 43 are connected into a whole through the telescopic ejector rod 44, at this time, the clutch cover 43 moves along with the clutch base 41, and when the vertical portion is withdrawn from the detent 42, at this time, the clutch cover 43 does not move along with the clutch base 41. It will be appreciated that the return element 441 is a spring, which is convenient to implement, and a fixing rod for mounting the spring is disposed in the groove, which is convenient to mount the spring.

Example three: as shown in fig. 1, 2, 3, 4 and 5, it can be explained on the basis of the first embodiment or the second embodiment, the clutch base 41 includes a direction button 411 disposed on the base 2 and a direction button dial 412 disposed on the direction button 411, a handle head 413 is disposed at the center of the direction button 411 and the direction button dial 412, a torsion spring 414 is disposed on the handle head 413, the torsion spring 414 can control the returning accuracy, and reduce the problem of the reduction of the service life caused by the too high yield strength of the single torsion spring, a protrusion is disposed at one end of the direction button 411, two ends of the torsion spring 414 correspond to the protrusion, which better plays a role of fixing the torsion spring 414, and each protrusion is disposed with a device slot, on which a limit nail 415 is disposed, a clamp spring one 416 is disposed between the limit nail 415 and the device slot, and on the direction button dial 412, a limit nail hole corresponding to the limit nail 415 is disposed, wherein the upper end of the limit nail 415 is in a semi-spherical shape, the limit nail 415 corresponds to a circular arc hole (a gap) of the direction button dial 412, thereby realizing the positioning of the limit nail 415, and positioning of the direction button dial 415, and positioning the direction button dial 415 can be accurately controlled by a screw driver, and a screw driver passing through the direction button, such as a round hole, and a screw passing through the direction button, which can be controlled by a screw 1, and a screw passing through the round hole, and a screw driver, and a screw passing through the round hole, and a round hole, thereby realizing the round hole, and a screw passing through the round hole, which can be accurately controlling the round hole, and a screw passing through the round hole, which can be controlled by a screw.

And the spacing nail hole is four in this embodiment, and four even distributions in spacing nail hole are on direction button plectrum 412 is peripheral, is favorable to spacing nail 415 block to the spacing nail hole like this to play fixed effect. It should be noted that the handle head 413 passes through the base 2, the direction button 411 and the direction button pulling piece 412, and a clamp spring two 417 is disposed at one end of the handle head 413 on one side of the base 2, and a bearing 418 is disposed at the other end of the handle head 413 on the other side of the base 2, which can play a role of fastening. The direction button 411 and the direction button dial 412 are provided with center holes, the center holes can be penetrated by the handle head 413, the center holes of the direction button dial 412 are provided with clamping blocks, correspondingly, the handle head 413 is provided with clamping grooves, and the clamping blocks are clamped in the corresponding clamping grooves, so that the fixed connection between the handle head 413 and the direction button dial 412 is realized.

Example four: as shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, on the basis of the first embodiment, the second embodiment or the third embodiment, the clutch cover 43 includes a clutch driven knob 431 disposed on the clutch base 41 and a torsion spring 432 disposed on the clutch driven knob 431, the return accuracy of the torsion spring 432 can be controlled, and the problem of the reduction of the service life caused by the too high yield strength of the single torsion spring can be reduced, the side of the clutch driven knob 431 is provided with a limit block 433, two ends of the torsion spring 432 are disposed on two sides of the limit block 433, and the clutch driven knob 431 penetrates through the upper cover 1. It is also to be noted that a front cover 434 is provided on one end surface of the clutch follower 431, which is advantageous for promoting protection of the clutch follower 431. It is also emphasized that the clutch driven knob 431 on the outer surface of the upper cover 1 is provided with the clamp spring three 435, so that the structural stability is improved.

Example five: as shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, on the basis of the first embodiment or the second embodiment or the third embodiment or the fourth embodiment, the driving motor 31 includes a clutch motor 311 and a push rod 312 disposed on the clutch motor 311, and the clutch motor 311 is disposed with an integrated arc push rod 32, which facilitates the installation and implementation of the driving motor 31. The utility model discloses when making clutch motor 311 push away circular arc ejector pin 32 and extending, needn't act on any weight including the handle to improve life. Wherein separation and reunion motor 311 and push rod 312 are the integrated assembly design, realize that the door is interior outer general, the door is outer through the emergent lock core of ejector pin machinery, insert the rotatory ejection circular arc ejector pin 32 of key and make it closed, when pulling out the key, just extend the closure through electronic part driver program control circular arc ejector pin 32 such as fingerprint password, door inner panel below sets up a fixed ejector pin, the pop-up makes circular arc ejector pin 32 extend, unblank with the closure, loosen then separation idle running, play and prevent that cat eye hole instrument stretches into cat eye hole and presses the handle and unblank, thereby realize stable firm and theftproof.

As shown in fig. 6 and 7, when the information needs to be verified to unlock the lock, the clutch motor 311 is powered on, the arc ejector rod 32 extends out, the arc ejector rod 32 and the telescopic ejector rod 44 are in a closed state under the driving of the driving motor 31, the telescopic ejector rod 44 is compressed into the groove and the clamping position 42, and at this time, the clutch base 41 and the clutch cover 43 are connected into a whole through the telescopic ejector rod 44, so that the clutch base 41 drives the clutch cover 43 to move along with the telescopic ejector rod, thereby achieving the unlocking state; when the unlocking time of the clutch motor 311 is up, the clutch motor 311 is automatically powered off, the arc ejector rod 32 and the telescopic ejector rod 44 are in a separated state under the driving of the driving motor 31, the telescopic ejector rod 44 is restored to an original state from the groove, the telescopic ejector rod 44 is withdrawn from the clamping position 42, the clutch base 41 and the clutch cover 43 cannot be connected into a whole at the moment, the clutch base 41 and the clutch cover 43 are combined and separated, and the handle is arranged on the handle head 413, so that the handle is pressed to be idle, the locking is realized, the rotation is 180 degrees, the reversing is realized, and the accurate position is still controlled by the limit nail 415. The utility model discloses this kind of structural style is stable firm and theftproof again. ( Note: the push rod 312 of the clutch motor 311 is started without electricity and acted by external force to realize closing and separation )

Standard parts used in the application file can be purchased from the market, the specific connection mode of each part adopts conventional means such as mature bolts and rivets in the prior art, the internal parts of the motor adopt conventional models in the prior art, the internal structure of the motor belongs to the prior art structure, a worker can complete normal operation of the motor according to a prior art manual, and the circuit connection adopts the conventional connection mode in the prior art, so that specific description is not provided.

It should be noted that, although the above embodiments have been described herein, the scope of the present invention is not limited thereby. Therefore, based on the innovative concept of the present invention, the changes and modifications of the embodiments described herein, or the equivalent structure or equivalent process changes made by the contents of the specification and the drawings of the present invention, directly or indirectly apply the above technical solutions to other related technical fields, all included in the protection scope of the present invention.

Claims (10)

1. The utility model provides a clutch for intelligence fingerprint lock, includes upper cover (1) and base (2), upper cover (1) with base (2) are through fixed screw fixed connection, upper cover (1) with be provided with driver (3) and clutch (4), its characterized in that between base (2):

the driver (3) comprises a driving motor (31) and an arc ejector rod (32) which is integrally arranged with the driving motor (31);

the clutch (4) comprises a clutch base (41) arranged on the base (2), a clamping position (42) is arranged on the periphery of the clutch base (41), a clutch cover (43) is arranged on the clutch base (41), a groove is formed in the clutch cover (43), a telescopic ejector rod (44) is arranged in the groove, and the arc ejector rod (32) and the telescopic ejector rod (44) are in a closed or separated state under the driving of the driving motor (31).

2. The clutch device for the intelligent fingerprint door lock as claimed in claim 1, wherein: the telescopic ejector rod (44) comprises a resetting piece (441) arranged in the groove, and an ejector pin (442) is arranged on the resetting piece (441).

3. The clutch device for the intelligent fingerprint door lock as claimed in claim 2, wherein: thimble (442) includes horizontal portion and perpendicular portion, horizontal portion and perpendicular portion are integrated into one piece, the horizontal portion is located in the recess, just perpendicular portion with screens (42) mutually support.

4. The clutch device for the intelligent fingerprint door lock is characterized in that: the reset piece (441) adopts a spring.

5. The clutch device for the intelligent fingerprint door lock as claimed in claim 1, 2 or 3, wherein: clutch base (41) is including setting up direction button (411) and setting on base (2) are in direction button plectrum (412) on direction button (411), direction button (411) with direction button plectrum (412) center is provided with handle head (413), just be provided with torsional spring (414) on handle head (413), direction button (411) a terminal surface is provided with mutual symmetric distribution arch, the both ends of torsional spring (414) are just in time corresponding protruding, and every be provided with the device groove on the arch, be provided with spacing nail (415) on the device groove, spacing nail (415) with be provided with jump ring (416) between the device groove, just be provided with on direction button plectrum (412) with the corresponding spacing nail hole of spacing nail (415).

6. The clutch device for the intelligent fingerprint door lock is characterized in that: handle head (413) run through and cross base (2), direction button (411) and direction button plectrum (412), and be in base (2) one side handle head (413) serve and are provided with jump ring two (417), just base (2) opposite side handle head (413) other end is last to be provided with bearing (418).

7. The clutch device for the intelligent fingerprint door lock is characterized in that: the direction button (411) and the center of the direction button shifting piece (412) are provided with center holes, the center holes can be used for the handle head (413) to penetrate through, a clamping block is arranged on the center hole of the direction button shifting piece (412), a clamping groove is correspondingly arranged on the handle head (413), and the clamping block is clamped in the corresponding clamping groove and is used for fixedly connecting the handle head (413) with the direction button shifting piece (412).

8. The clutch device for intelligent fingerprint door lock according to claim 1 or 2 or 3 or 6 or 7, characterized in that: the clutch cover (43) comprises a clutch driven button (431) arranged on the clutch base (41) and a torsion spring (432) arranged on the clutch driven button (431), a limit block (433) is arranged on the side edge of the clutch driven button (431), two ends of the torsion spring (432) are located on two sides of the limit block (433), and the clutch driven button (431) penetrates through the upper cover (1).

9. The clutch device for the intelligent fingerprint door lock as claimed in claim 8, wherein: a cover (434) is arranged on one end face of the clutch driven button (431).

10. The clutch device for the intelligent fingerprint door lock as claimed in claim 8, wherein: and a clamp spring III (435) is arranged on the clutch driven button (431) on the outer surface of the upper cover (1).

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