CN107558817B

CN107558817B - Fingerprint lock assembly of smart home security door

Info

Publication number: CN107558817B
Application number: CN201710839105.XA
Authority: CN
Inventors: 冉启兰
Original assignee: Zhejiang Yadi Century Automotive Interior Parts Co ltd
Current assignee: ZHEJIANG YADI CENTURY AUTOMOTIVE INTERIOR PARTS Co.,Ltd.
Priority date: 2017-09-13
Filing date: 2017-09-13
Publication date: 2020-07-31
Anticipated expiration: 2037-09-13
Also published as: CN107558817A

Abstract

The invention discloses a fingerprint lock assembly of an intelligent household anti-theft door, which comprises an outer pulling handle and a fixed handle, wherein the outer pulling handle is formed by connecting a connecting part and a handle part; the inner side surface of the fixed handle is fixed with the outer side surface of the anti-theft door when being installed, the upper end of the square shaft section is coaxially connected with the lower end of a push rod of a first electric push rod, and the first electric push rod is vertically installed on the top surface of the fixed handle; the inner side surface of the connecting part is fixedly provided with a first collision block which is matched with a first position sensor, and a detection signal of the first position sensor is fed back to a first controller, and the first controller controls the push rod of the first electric push rod to extend and match. In the scheme, the arrangement of the identification glass sheet is adjusted from a fixed type to a movable type and is adjusted from an inclined exposed type to a vertical concealed type, so that the defect that dust is easily deposited in a traditional structure can be fundamentally avoided.

Description

Fingerprint lock assembly of smart home security door

Technical Field

The invention belongs to the field of intelligent home furnishing, and particularly relates to a fingerprint lock assembly of an intelligent home furnishing antitheft door.

Background

The anti-theft door is an important facility in the field of home furnishing, and the anti-theft door realizes the anti-theft through a lockset. Along with the fingerprint lock has appeared in the popularization of intelligent house notion current market, this kind of fingerprint lock is located the lateral surface of burglary-resisting door, and the discernment glass piece of fingerprint lock slopes up to set up towards the outside of door, and discernment glass piece and fingerprint identification ware's distance is just good when dispatching from the factory. When the door is opened, a finger of a person directly contacts the identification glass sheet, and a fingerprint identification circuit in the fingerprint lock identifies a fingerprint; after the fingerprint identification circuit identifies the fingerprint, the fingerprint lock is unlocked, and the person rotates the door handle downwards by using the hand, so that the door opening is realized. In addition, in order to disable the fingerprint lock, a password identification and key identification system is often provided as a backup.

In the using process, the prior fingerprint lock has the following defects:

1. since the identification glass of the fingerprint lock is inclined upward and is disposed toward the outside of the door, this arrangement has several serious problems as follows: a. the important identification glass sheet is exposed outside and is easy to be damaged by people or other factors, or water penetrates through the identification glass sheet and reaches the fingerprint identification circuit, so that the fingerprint identification circuit is lost, and the fingerprint lock system is invalid; b. because the identification glass sheet inclines upwards, impurities such as dust and the like are easy to deposit on the identification glass sheet, so that the success rate of fingerprint identification is reduced; moreover, sweat and the like exist on the fingers of people, and the sweat and the like are inevitably remained on the identification glass sheet after the fingers are contacted with the sweat and the success rate of fingerprint identification is further reduced; in order to avoid dust and sweat residues, the person is often required to actively wipe the identification glass sheet with a rag, but this requires an additional operation, which is time-consuming and laborious.

2. The serious defects of item 1 are limited, so that a password identification system and a key identification system are required to be arranged as backups at present, so that the complexity and the volume of the lockset are increased, the manufacturing cost is increased, and the market popularization is not facilitated.

3. When unblanking, earlier with finger contact discernment glass piece, through the tool to lock unblock behind the fingerprint identification, then rotate the handle and finally just can open the door, need two solitary operating procedure, it is inconvenient to open the door.

Disclosure of Invention

The invention aims to provide a fingerprint lock assembly of an intelligent household anti-theft door, aiming at overcoming the defect of low success rate of fingerprint identification in the background technology.

The technical scheme of the invention is as follows: the utility model provides a fingerprint lock subassembly of intelligence house burglary-resisting door, includes fingerprint identification ware, fingerprint identification circuit and discernment glass piece, wherein discernment glass piece supplies to point the contact, and discernment glass piece cooperatees with fingerprint identification ware, and by the fingerprint identification circuit is analyzed and is discerned the fingerprint, its characterized in that: the outer spanner handle is of a hollow structure and is formed by connecting a connecting part and a handle part, and the thickness of the connecting part is lower than that of the handle part; the fixed handle is of a hollow structure, the inner side surface of the fixed handle is fixed with the outer side surface of the anti-theft door when being installed, an opening at the outer end of the fixed handle is sealed by a positioning plate, and a U-shaped notch with a through left end and a through right end is arranged on the positioning plate; the connecting part of the outer spanner handle is inserted into the U-shaped notch, the upper surface and the lower surface of the left end part of the inserting part are respectively provided with a square hole, the upper side and the lower side of the U-shaped notch are correspondingly provided with square through holes, and the locking shaft simultaneously penetrates through the square holes and the square through holes; the locking shaft is a two-section stepped shaft and is formed by coaxially connecting a square shaft section at the upper part and a round shaft section at the lower part, the circumference of the round shaft section is an inscribed circle of the square shaft section, and the size of the square shaft section is matched with that of the square hole and the square through hole; the upper end of the square shaft section is coaxially connected with the lower end of a push rod of a first electric push rod, the first electric push rod is vertically installed on the top surface of the fixed handle, and a signal cable of a first controller of the first electric push rod extends into the outer pulling handle after passing through a wire passing hole in the locking shaft and is connected with a signal output end of the fingerprint identification circuit; a first collision block is fixedly arranged on the inner side surface of the connecting part and matched with a first position sensor, a detection signal of the first position sensor is fed back to the first controller, and the first controller controls the extension of a push rod of the first electric push rod;

a second collision block is further arranged on the inner side face of the connecting part and matched with a second position sensor on the positioning plate, a detection signal of the second position sensor is fed back to a second controller, and the second controller controls the push rod of the second electric push rod to stretch; the second electric push rod is arranged in the anti-theft door, the push rod of the second electric push rod is fixed with one end of a return spring, the other end of the return spring is fixed with a lock tongue, and the lock tongue is in sliding fit with a sliding hole in the anti-theft door;

the right part of the inner side surface of the connecting part is fixed with one end of a tension spring, and the other end of the tension spring is fixed with the connecting edge of the U-shaped positioning piece; the connecting edge of the U-shaped positioning piece is fixed with the outer side surface of the anti-theft door when being installed, the U-shaped positioning piece is positioned at the inner side of the outer spanner handle, and the opening of the U-shaped positioning piece faces outwards;

the inner side surface of the handle part is formed by connecting an arc-shaped surface with an inward convex upper part and a vertical surface with a lower part, the identification glass sheet is embedded in a mounting hole on the vertical surface and is in a vertical state, and the fingerprint identifier and the fingerprint identification circuit are fixedly mounted in a cavity of the handle part; a foam block is detachably mounted in the opening of the U-shaped positioning piece, the outer side face of the foam block is an inclined face, the right end of the outer side face of the foam block is close to the outer side face of the anti-theft door, the left end of the outer side face of the foam block is far away from the outer side face of the anti-theft door, and the shape of the outer side face of the foam block is matched with the inner side face of the handle part; when the outer pulling handle rotates inwards to reset under the action of the tension spring, the inner side surface of the handle part can press the outer side surface of the foam block, and when the outer pulling handle rotates to be vertical to the fixed handle, the inner side surface of the handle part is in close contact with the outer side surface of the foam block.

The anti-theft door is arranged on the anti-theft door, when the anti-theft door is in a locking state, the lock tongue extends into the lock hole of the anti-theft door in the state, the second collision block is contacted with the second position sensor, and the push rod of the second electric push rod extends in the state; at this time, the external pulling handle is perpendicular to the fixed handle, and the square shaft section is inserted into the square hole and the square through hole, so that the external pulling handle cannot be pulled. When a person needs to open the anti-theft door to enter a room, the fingers of the person extend into the handle part, and the finger bellies of the fingers are in contact with the arc-shaped surface of the handle part, so that the design not only accords with human engineering, but also has good finger belly comfort, and the arc-shaped surface of the handle part can prevent dust or water drops from remaining on the identification glass sheet from top to bottom, so that the cleanness of the identification glass sheet is ensured; the finger of one finger is in contact with the vertical surface of the handle part, and the finger of the other finger is in contact with the identification glass sheet to carry out fingerprint identification operation. If the fingerprint identification is successful, the fingerprint identification circuit transmits an identification signal to the first controller, and the first controller controls the push rod of the first electric push rod to retract, so that the circular shaft section is matched with the square hole and the square through hole, and the outer wrench handle can be pulled under the condition. After the fingerprint identification is successful, a person directly pulls the outer pulling handle outwards, the outer pulling handle rotates outwards around the locking shaft, the pulling force of the tension spring needs to be overcome in the process of pulling the outer pulling handle outwards, at the moment, the second collision block is separated from the contact with the second position sensor, the push rod of the second electric push rod retracts, the spring bolt is pulled through the return spring, the spring bolt retracts, the spring bolt withdraws from the locking hole of the anti-theft door, the unlocking is achieved, and therefore the anti-theft door can be opened.

After the anti-theft door is opened, the fingers of a person are upwards drawn out, the outer pulling handle is inwards rotated and reset under the action of the tension spring, and in the process of inwards rotating and resetting the outer pulling handle, the inner side surface of the handle part can press the outer side surface of the foam block, so that the design is simple, and the anti-theft door has the following two advantages: firstly, utilize conventional foam block buffer function among the prior art, prevent to damage discernment glass piece and fingerprint identification ware, fingerprint identification circuit because vibrations are too big. Secondly, the lateral surface automatically cleaning handle portion medial surface and the discernment glass piece that can pass through the foam block in the rotation process, clean the medial surface of clean handle portion in the lump and discern remaining sweat stain, filth etc. on the glass piece, clean discernment glass piece and can guarantee next fingerprint identification success rate, clean handle portion medial surface also can prevent to pollute the finger when next finger stretches into, and then must pollute clean discernment glass piece, can further guarantee next fingerprint identification success rate like this. When the outer plate handle is rotated to be vertical to the fixed handle, the inner side surface of the handle part is tightly contacted with the outer side surface of the foam block, and the design also has very important beneficial effects for the following reasons: 1. the close contact is organically combined with the self-cleaning, the inner side surface of the handle part and the identification glass sheet can be protected in all directions, dry dust can be prevented from floating to pollute the inner side surface of the handle part and the identification glass sheet, water drops, dirt and the like can be prevented from splashing to the inner side surface of the handle part and the identification glass sheet, and the identification success rate can be further improved. Moreover, the vertical arrangement of the identification glass sheet can avoid the defects that the traditional structure inclined arrangement mode is easy to collect dust and the like, and provides a technical basis for realizing self-cleaning and all-directional protection by utilizing the foam block subsequently, so that the identification glass sheet is adjusted from the traditional inclined arrangement to the current vertical arrangement and seems simple, and has a great practical problem.

In addition, the locking shaft in the scheme is a two-section stepped shaft and is formed by coaxially connecting a square shaft section at the upper part and a round shaft section at the lower part, the circumference where the round shaft section is located is an inscribed circle of the square shaft section, and the size of the square shaft section is matched with the square hole and the square through hole. Because the circumference of the round shaft section is the inscribed circle of the square shaft section, and the size of the square shaft section is matched with the square hole and the square through hole, when the square shaft section is matched with the square hole and the square through hole, the outer pulling handle cannot be pulled and is in a locked state; when the circular shaft section is matched with the square hole and the square through hole, the external pulling handle can be pulled to be in an unlocking state, so that the locking state and the unlocking state can be smoothly and conveniently switched. Although the locking shaft is a two-section stepped shaft and is formed by coaxially connecting an upper square shaft section and a lower round shaft section, which are common in mechanical structures, the locking shaft has a special function in a specific occasion of switching locking and unlocking states, so that the locking shaft is not in the prior art or conventional design and is creative. In addition, the second collision block, the second position sensor and the second electric push rod in the scheme adopt a hidden design, and the design can effectively prevent vandals from being damaged by accident, so that the vandals are prevented from opening the anti-theft door. Finally, according to the scheme, the anti-theft door can be opened only by stretching a finger into the handle part and pulling the handle part outwards after the fingerprint identification is successful, so that the anti-theft door is simple, convenient and labor-saving to operate, and one step is saved compared with two traditional door opening steps. It should be noted that the two position sensors in this case detect different position signals and have completely different functions, and although the functions of the position sensors are conventional, the position sensors have positive effects in specific cases.

As can be concluded from the above discussion, the foam blocks used in this case have several functions as follows: firstly, the damping and buffering functions are realized, and the damage of a fingerprint recognizer, a fingerprint recognition circuit and a recognition glass sheet due to larger vibration is avoided; the inclined surface of the foam block is designed to be organically matched with the external pulling handle which rotates inwards and resets, so that the inner side surface of the whole handle part and the identification glass sheet are automatically cleaned; and thirdly, the arc-shaped surface on the upper part of the inner side surface of the handle part is matched with the arc-shaped notch on the upper part of the outer side surface of the foam block, the inner side surface of the handle part, the identification glass sheet and the outer side surface of the foam block are tightly attached, so that the inner side surface of the handle part and the identification glass sheet can be protected in all directions, the inner side surface of the handle part and the identification glass sheet after self-cleaning are prevented from being polluted, and the success rate of next fingerprint identification. In view of the above-mentioned functions, the combined design in the present case is obviously inventive, is not in the prior art and the conventional art, and is not obtained through simple design or adjustment.

In conclusion, the arrangement of the identification glass sheet is adjusted from a fixed type to a movable type and is adjusted from an inclined exposed type to a vertical concealed type, so that the defect that dust is easily deposited in the traditional structure can be fundamentally avoided; in addition, the inner side surface of the handle part and the outer side surface of the foam block are matched with each other, so that shock absorption and buffering can be effectively realized, the fingerprint identifier, a fingerprint identification circuit and an identification glass sheet are prevented from being damaged, the inner side surface of the handle part and the identification glass sheet can be automatically cleaned, manual participation and interference are not needed in the cleaning process, the clean inner side surface of the handle part and the clean identification glass sheet can be protected in all directions, the pollution to the identification glass sheet is avoided, the combination designs are organically matched to ensure the cleanness of the identification glass sheet, and the success rate of fingerprint identification is improved; meanwhile, the first electric push rod is organically matched with the locking shaft, the square hole and the square through hole, the locking and unlocking states of the outer pulling handle can be smoothly and conveniently switched, the second collision block, the second position sensor and the second electric push rod are organically matched, the extension and retraction of the lock tongue can be effectively realized, and the two hidden position sensor assemblies can prevent damage of a bad person and effectively drive the lock tongue to be locked back, so that the anti-theft door is opened; in addition, the operation of identifying the fingerprint and opening the security door can be completed only by holding the handle part with fingers, the operation is simple, convenient and labor-saving, the defect of inconvenience in operation caused by the fact that the operation of identifying the fingerprint and opening the security door is independent in the prior art is effectively overcome, and the scheme forms an organic whole which is interactive, associative and inseparable. Because the success rate of the fingerprint identification of the scheme is greatly improved, a coded lock and a key backup system can be cancelled, the structure is effectively simplified, the cost is reduced, and the reliability of the security door is also reliable.

Preferably, the identification glass sheet is a square block having a length and a width of 2mm and a thickness of 1 to 2 mm. By adopting the structural design, the thickness of the identification glass sheet is moderate, so that enough structural strength can be ensured, and the influence on the success rate of fingerprint identification due to too thick thickness can be prevented.

As a preferred design, the outer side surface of the foam block forms an included angle with the anti-theft door in a free state, and the included angle has the value of 15-30 degrees.

Structural design more than adopting, this angle design is moderate, reasonable, can avoid the angle undersize and make the automatically cleaning effect relatively poor, influences fingerprint identification efficiency, can prevent again that the angle is too big and lead to the resistance too big to guarantee that the outside handle inwards return is smooth and easy.

Has the advantages that: in the scheme, the arrangement of the identification glass sheet is adjusted from a fixed type to a movable type and is adjusted from an inclined exposed type to a vertical concealed type, so that the defect that dust is easy to deposit in the traditional structure can be fundamentally avoided; in addition, the inner side surface of the handle part and the outer side surface of the foam block are matched with each other, so that shock absorption and buffering can be effectively realized, the fingerprint identifier, a fingerprint identification circuit and an identification glass sheet are prevented from being damaged, the inner side surface of the handle part and the identification glass sheet can be automatically cleaned, manual participation and interference are not needed in the cleaning process, the clean inner side surface of the handle part and the clean identification glass sheet can be protected in all directions, the pollution to the identification glass sheet is avoided, the combination designs are organically matched to ensure the cleanness of the identification glass sheet, and the success rate of fingerprint identification is improved; meanwhile, the first electric push rod is organically matched with the locking shaft, the square hole and the square through hole, the locking and unlocking states of the outer pulling handle can be smoothly and conveniently switched, the second collision block, the second position sensor and the second electric push rod are organically matched, the extension and retraction of the lock tongue can be effectively realized, and the two hidden position sensor assemblies can prevent damage of a bad person and effectively drive the lock tongue to be locked back, so that the anti-theft door is opened; in addition, the operation of identifying the fingerprint and opening the security door can be completed only by holding the handle part with fingers, the operation is simple, convenient and labor-saving, the defect of inconvenience in operation caused by the fact that the operation of identifying the fingerprint and opening the security door is independent in the prior art is effectively overcome, and the scheme forms an organic whole which is interactive, associative and inseparable. Because the success rate of the fingerprint identification of the scheme is greatly improved, a coded lock and a key backup system can be cancelled, the structure is effectively simplified, the cost is reduced, and the reliability of the security door is also reliable.

Drawings

FIG. 1 is a schematic diagram of the present invention.

Fig. 2 is a sectional view taken along line a-a of fig. 1.

Fig. 3 is a sectional view taken along line B-B of fig. 1.

FIG. 4 is a schematic representation of a foam block of the present invention.

Fig. 5 is a schematic view of the locking shaft of fig. 2.

Detailed Description

The invention is further illustrated by the following examples in conjunction with the accompanying drawings:

as shown in figures 1-5, a fingerprint lock subassembly of intelligence house burglary-resisting door, includes fingerprint identification ware 1, fingerprint identification circuit 2 and discernment glass piece 3, wherein discernment glass piece 3 supplies to point to contact, and discernment glass piece 3 cooperatees with fingerprint identification ware 1 to by the analytic discernment fingerprint of fingerprint identification circuit 2. In the present application, how the fingerprint identifier 1, the fingerprint identification circuit 2, and the identification glass sheet 3 cooperate with each other, so that the technology of correctly determining and identifying a fingerprint is a conventional technology, well known to those skilled in the art, and is not the invention of the present application, and is not described herein again. Preferably, the identification glass piece 3 is adjusted to a square block having a length and a width of 2mm and a thickness of 1-2mm, so that the identification glass piece 3 can be prevented from being damaged due to long-term rotation.

The scheme also comprises an outer pulling handle 4 and a fixed handle 5, wherein the outer pulling handle 4 and the fixed handle 5 are both steel castings, so that the manual damage can be prevented. Wherein, the external handle 4 is a hollow structure and is formed by directly connecting a connecting part 4a and a handle part 4 b. The thickness of the connecting part 4a is smaller than that of the handle part 4b, so that a step surface is formed, and the effect of limiting the outer pull handle 4 in the return process is achieved. The fixed handle 5 is a hollow structure, and the inner side surface of the fixed handle 5 is welded and fixed with the outer side surface of the anti-theft door M when being installed. The opening at the outer end of the fixed handle 5 is sealed by a positioning plate 6, and the positioning plate 6 is provided with a U-shaped notch with a through left end and a through right end, so that the outer spanner handle 4 can be abducted when rotating.

In the connecting portion 4a of the outer handle 4 that pulls inserted the U-shaped breach, a quad slit has all been opened to the upper and lower surface of this connecting portion 4a inserted part left end portion, and it has square via hole to correspond to open on the upper and lower side of U-shaped breach, and this quad slit and square via hole are passed simultaneously to locking axle 7. Locking axle 7 is two segmentation stepped shafts to form by square shaft section 7a on upper portion and the circle shaft section 7b coaxial coupling of lower part, the circumference at circle shaft section 7b place is square shaft section 7 a's inscribed circle, and square shaft section 7 a's size and quad slit and square via hole looks adaptation. The upper end of the square shaft section 7a is coaxially connected with the lower end of a push rod of a first electric push rod 8, the first electric push rod 8 is vertically installed on the top surface of the fixed handle 5, and a signal cable of a first controller 9 of the first electric push rod 8 extends into the outer pulling handle 4 after passing through a wire passing hole 7c in the locking shaft 7 and is connected with a signal output end of the fingerprint identification circuit 2. A first collision block 50 is fixedly arranged on the inner side surface of the connecting part 4a, the first collision block is matched with a first position sensor 51, a detection signal of the first position sensor 51 is fed back to the first controller 9, and the first controller 9 controls the extension of the push rod of the first electric push rod 8. After the fingerprint identification circuit 2 correctly identified the fingerprint, transmit identification signal for first controller 9 to control the push rod of first electric putter 8 to retract, make the circular shaft section 7b and quad slit and square via hole cooperation, under this state, the people can outwards pull external wrench handle 4. When the first collision block 50 contacts with the first position sensor 51, a detection signal of the first position sensor 51 is fed back to the first controller 9, the first controller 9 controls the push rod of the first electric push rod 8 to extend out, so that the square shaft section 7a is matched with the square hole and the square through hole, and in this state, a person cannot pull the outer pulling handle 4 outwards.

As shown in fig. 1-4, a second stop 52 is further disposed on the inner side of the connecting portion 4a, the second stop 52 is engaged with a second position sensor 53 on the positioning plate 6, a detection signal of the second position sensor 53 is fed back to a second controller 54, and the second controller 54 controls the extension and retraction of a second electric push rod 55. The second electric push rod 55 is installed in the security door M, the push rod of the second electric push rod 55 is fixed with one end of a return spring M2, the other end of the return spring M2 is fixed with the bolt M1, and the bolt M1 is in sliding fit with a sliding hole on the security door M. When a person pulls the outer pulling handle 4 outwards, the second collision block 52 is separated from the second position sensor 53, a detection signal of the second position sensor 53 is fed back to the second controller 54, the second controller 54 controls the push rod of the second electric push rod 55 to retract, and therefore the lock bolt M1 is pulled to retract through the return spring M2, the lock bolt M1 is withdrawn from the lock hole of the anti-theft door, and unlocking is achieved. When the outer trigger handle 4 is returned inward until the second latch 52 comes into contact with the second position sensor 53, the push rod of the second electric push rod 55 is extended and pushes the latch bolt M1 to be extended by the return spring M2. The right part of the inner side surface of the connecting part 4a is fixed with one end of a tension spring 11, the other end of the tension spring 11 is fixed with the connecting edge of a U-shaped positioning part 12, and the opening of the U-shaped positioning part 12 faces outwards.

As shown in fig. 1 to 4, the inner side surface of the handle portion 4b is formed by connecting an arc-shaped surface with an inward convex upper portion and a vertical surface with a lower portion, the identification glass sheet 3 is embedded in the mounting hole on the vertical surface, the identification glass sheet 3 is in a vertical state, and the inner side surface of the identification glass sheet 3 is flush with the inner hole opening of the mounting hole. Fingerprint identification ware 1 and fingerprint identification circuit 2 fixed mounting are in the cavity of handle portion 4b, and fingerprint identification ware 1 is located discernment glass piece 3 outsides to just to 3 positions of discernment glass piece. In addition, the inner side surface of the security door M is provided with a power supply, the power supply can be supplied by commercial power or/and a storage battery, and the power supply supplies power to the power consumption parts such as the fingerprint identifier 1, the fingerprint identification circuit 2, the first electric push rod 8, the first controller 9, the first position sensor 51, the second position sensor 53, the second controller 54 and the second electric push rod 55, and the power supply mode is the existing structure and is not described herein.

A foam block 13 is detachably mounted in an opening of the U-shaped positioning piece 12, the foam block 13 can be inserted in a specific mounting mode, so that the used foam block 13 can be conveniently taken down and cleaned, and the cleaned foam block 13 can be conveniently inserted in the U-shaped positioning piece, the outer side surface of the foam block 13 is an inclined surface, the right end of the outer side surface of the foam block 13 is close to the outer side surface of the antitheft door M, the left end of the outer side surface of the foam block 13 is far away from the outer side surface of the antitheft door M, and the shape of the outer side surface of the foam block 13 is matched with the inner side surface of the handle part 4 b.

The working principle of the scheme is as follows:

when the security door M is in a locked state, the second collision block 52 contacts the second position sensor 53 in this state, the push rod of the second electric push rod 55 extends, and the bolt M1 extends into the lock hole of the security door by the elastic force of M2; at this time, the external pulling handle 4 is perpendicular to the fixed handle 5, the first position sensor 51 contacts with the first collision block 50, the first electric push rod 8 is pushed out and extended, and the square shaft section 7a is inserted into the square hole and the square through hole, so that the external pulling handle 4 cannot be pulled.

When an outdoor person needs to open the anti-theft door to enter a room, fingers of the person stretch into the handle part 4b, and the finger abdomens of the fingers are in contact with the arc-shaped surface of the handle part 4b, so that the design not only accords with human engineering, but also has good finger abdomen comfort, and the arc-shaped surface of the handle part 4b can prevent dust or water drops from remaining on the identification glass sheet 3 from top to bottom, so that the cleanness of the identification glass sheet 3 is ensured; the finger of one finger contacts the identification glass sheet 3 to identify the fingerprint, and the finger of the finger contacts the vertical surface of the handle portion 4 b. If the fingerprint identification is successful, the fingerprint identification circuit 2 transmits an identification signal to the first controller 9, and the first controller 9 controls the push rod of the first electric push rod 8 to retract, so that the circular shaft section 7b is in running fit with the square hole and the square through hole, and the external pulling handle 4 can be pulled under the condition. At this time, a person directly pulls the outer pulling handle 4 outwards, the outer pulling handle 4 rotates outwards around the locking shaft 7, the pulling force of the tension spring 11 needs to be overcome in the process of pulling the outer pulling handle 4 outwards, and the second collision block 52 is separated from the contact with the second position sensor 53, so that the push rod of the second electric push rod 55 retracts, the lock tongue M1 is pulled to retract through the return spring M2, the lock tongue M1 is withdrawn from the lock hole of the security door, the unlocking is realized, and the security door can be opened.

After the anti-theft door is opened, the fingers of a person are pulled out from the upper side, the outer pulling handle 4 is rotated inwards to reset under the action of the tension spring 11, and in the process of rotating inwards to reset the outer pulling handle 4, the inner side surface of the handle part 4b presses the outer side surface of the foam block 13; when the outer trigger handle 4 is rotated to be perpendicular to the fixed handle 5, the inner side surface of the handle portion 4b is in close contact with the outer side surface of the foam block 13. When the outer pulling handle 4 rotates to be vertical to the fixed handle 5, the first collision block 50 is in contact with the first position sensor 51, a detection signal of the first position sensor 51 is fed back to the first controller 9, and the first controller 9 controls the extension of the push rod of the first electric push rod 8, so that the square shaft section 7a is matched with the square hole and the square through hole, and the outer pulling handle 4 cannot be pulled in the state for a person to open the anti-theft door outdoors next time. Meanwhile, the second contact piece 52 contacts with the second position sensor 53, and transmits a detection signal to the second controller 54, the second controller 54 controls the extension of the push rod of the second electric push rod 55, and the lock tongue M1 is pushed to extend by the return spring M2, so that the locking is realized.

After a person passes through the security door M, the security door M can be pulled inwards, the bolt M1 can extend into a lock hole of the security door, and pretightening force is provided by the return spring M2, so that the security door M is closed. The inner side surface of the anti-theft door M is matched with an inner handle in a rotating mode, a rotating gear is fixedly sleeved on the inner handle and meshed with a rack on a bolt M1, and the structure of the anti-theft door M is the same as that of the existing structure. When an indoor person rotates the inner handle, the bolt M1 can be driven by the rack and pinion to overcome the elastic force of the return spring M2 to retract, so that the security door M is opened from the indoor; when the person releases the inner handle, the bolt M1 extends under the elastic force of the return spring M2. It should be noted that the structure of the latch M1 is completely the same as the existing structure, and is not described herein.

The above description is only exemplary of the present invention and should not be taken as limiting, and any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a fingerprint lock subassembly of intelligence house burglary-resisting door, includes fingerprint identification ware (1), fingerprint identification circuit (2) and discernment glass piece (3), wherein discernment glass piece (3) supply to point the contact, and discernment glass piece (3) cooperate with fingerprint identification ware (1), and by fingerprint identification circuit (2) analysis and identification fingerprint, its characterized in that: the outer wrench is characterized by further comprising an outer wrench handle (4) and a fixed handle (5), wherein the outer wrench handle (4) is of a hollow structure and is formed by connecting a connecting part (4a) and a handle part (4b), and the thickness of the connecting part (4a) is smaller than that of the handle part (4 b); the fixed handle (5) is of a hollow structure, the inner side surface of the fixed handle is fixed with the outer side surface of the anti-theft door (M) when being installed, an opening at the outer end of the fixed handle (5) is sealed by a positioning plate (6), and a U-shaped notch with a through left end and a through right end is arranged on the positioning plate (6); a connecting part (4a) of the outer spanner handle (4) is inserted into the U-shaped notch, square holes are formed in the upper surface and the lower surface of the left end part of the connecting part (4a) inserted into the U-shaped notch, square through holes are correspondingly formed in the upper side and the lower side of the U-shaped notch, and the locking shaft (7) penetrates through the square holes and the square through holes simultaneously; the locking shaft (7) is a two-section stepped shaft and is formed by coaxially connecting an upper square shaft section (7a) and a lower round shaft section (7b), the circumference where the round shaft section (7b) is located is an inscribed circle of the square shaft section (7a), and the square shaft section (7a) is matched with the square hole and the square through hole in size; the upper end of the square shaft section (7a) is coaxially connected with the lower end of a push rod of a first electric push rod (8), the first electric push rod is vertically installed on the top surface of the fixed handle (5), and a signal cable of a first controller (9) of the first electric push rod (8) extends into the outer pulling handle (4) after passing through a wire passing hole (7c) in the locking shaft (7) and is connected with a signal output end of the fingerprint identification circuit (2); a first collision block (50) is fixedly arranged on the inner side surface of the connecting part (4a), the first collision block is matched with a first position sensor (51), a detection signal of the first position sensor (51) is fed back to the first controller (9), and the first controller (9) controls the extension of a push rod of the first electric push rod (8);

a second collision block (52) is further arranged on the inner side surface of the connecting part (4a), the second collision block (52) is matched with a second position sensor (53) on the positioning plate (6), a detection signal of the second position sensor (53) is fed back to a second controller (54), and the second controller controls the extension and retraction of a push rod of a second electric push rod (55); the second electric push rod (55) is arranged in the security door (M), the push rod of the second electric push rod is fixed with one end of a return spring (M2), the other end of the return spring (M2) is fixed with the bolt (M1), and the bolt (M1) is in sliding fit with a sliding hole in the security door (M);

the right part of the inner side surface of the connecting part (4a) is fixed with one end of a tension spring (11), and the other end of the tension spring (11) is fixed with the connecting edge of a U-shaped positioning piece (12); the connecting edge of the U-shaped positioning piece (12) is fixed with the outer side surface of the anti-theft door (M) when being installed, the U-shaped positioning piece (12) is positioned at the inner side of the outer spanner handle (4), and the opening of the U-shaped positioning piece (12) faces outwards;

the inner side surface of the handle part (4b) is formed by connecting an arc-shaped surface with an inward convex upper part and a vertical surface with a lower part, the identification glass sheet (3) is embedded in a mounting hole on the vertical surface and is in a vertical state, and the fingerprint identifier (1) and the fingerprint identification circuit (2) are fixedly mounted in a cavity of the handle part (4 b); a foam block (13) is detachably mounted in an opening of the U-shaped positioning piece (12), the outer side face of the foam block is an inclined face, the right end of the outer side face of the foam block is close to the outer side face of the anti-theft door (M), the left end of the outer side face of the foam block (13) is far away from the outer side face of the anti-theft door (M), and the shape of the outer side face of the foam block (13) is matched with the inner side face of the handle part (4 b); when the outer pulling handle (4) rotates inwards to reset under the action of the tension spring (11), the inner side surface of the handle part (4b) can press the outer side surface of the foam block (13), and when the outer pulling handle (4) rotates to be perpendicular to the fixed handle (5), the inner side surface of the handle part (4b) is in close contact with the outer side surface of the foam block (13).

2. The fingerprint lock assembly of intelligent household security door according to claim 1, characterized in that: the identification glass sheet (3) is a square block with the length and width of 2mm, and the thickness of the square block is 1-2 mm.

3. The fingerprint lock assembly of the intelligent household antitheft door according to claim 1, characterized in that the outer side surface of the foam block (13) forms an included angle (α) with the antitheft door (M) in a free state, and the included angle (α) has a value of 15-30 degrees.