CN211258096U - Fingerprint dust-proof device for fingerprint lock for smart home - Google Patents

Abstract

The utility model discloses a fingerprint dust keeper of fingerprint lock for intelligence house relates to the electronic lock field, including the lock shell, fingerprint input window has been seted up to one side of lock shell, is equipped with the fingerprint collection screen in the fingerprint input window, one side of fingerprint collection screen is equipped with the cavity of seting up on the lock shell, has seted up the slip hole on the top side inner wall of cavity, and the slip hole is linked together with fingerprint input window, and slidable mounting has the dust guard in the slip hole, and outside the both sides of dust guard all extended to the slip hole, the top side of dust guard contacted with the top side inner wall of fingerprint input window. The utility model discloses in, when needing to carry out the fingerprint unblock, promote the spacing push pedal of L type can be so that when the dust guard opened for two bar slope brushes clean the fingerprint collection screen, make the fingerprint collection screen keep an optimal recognition state, and then the fingerprint of the discernment user that can be accurate, improvement user use comfort.

Description

Fingerprint dust-proof device for fingerprint lock for smart home

technical field

The utility model relates to the field of electronic door locks, in particular to a fingerprint dustproof device for fingerprint locks for smart households.

Background technique

Fingerprint locks are very common now. Many residential quarters and office buildings are equipped with fingerprint locks, which can effectively prevent theft and ensure that only authorized people can enter. Compared with other ordinary mechanical locks, it is easy to be picked or cracked. With higher safety and reliability, it shines in the market.

In the prior art, the patent with publication number CN208014045U discloses a fingerprint lock, which includes a first lock shell, a main control board, a fingerprint module and a second lock shell. The first lock shell is provided with a plurality of touch buttons on one side. and the fingerprint input window, the main control board, which is attached and fixed to the other side of the first lock shell. The main control board is provided with a plurality of first through holes, and the number and position of the first through holes correspond to the touch buttons one-to-one. However, the fingerprint lock does not have a dust-proof device, and the fingerprint acquisition screen is easy to adhere to dust during use. Once the dust is too much, it is easy to make the fingerprint acquisition screen unable to accurately identify the user's fingerprint, affecting the user's use, and there is room for improvement.

Utility model content

The purpose of the present utility model is to provide a fingerprint dustproof device for a fingerprint lock for smart home, so as to solve the problems raised in the above background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a fingerprint dustproof device for a fingerprint lock for smart home, comprising a lock shell, a fingerprint input window is opened on one side of the lock shell, and a fingerprint input window is provided in the fingerprint input window. A collection screen, one side of the fingerprint collection screen is provided with a cavity formed on the lock case, a sliding hole is formed on the inner wall of the top side of the cavity, the sliding hole is communicated with the fingerprint input window, and an anti-lock device is slidably installed in the sliding hole. Dust plate, both sides of the dust plate extend out of the sliding hole, the top side of the dust plate is in contact with the inner wall of the top side of the fingerprint input window, one side of the dust plate is fixedly installed with a connecting column located in the cavity, The top side of the connecting column is provided with an inclined sliding hole, and the design of the dust-proof plate can prevent dust from entering the fingerprint input window, thereby preventing a large amount of dust from adhering to the fingerprint acquisition screen, which affects the use.

Preferably, a moving hole is opened on the inner wall of the top side of the cavity, the same moving rod is fixedly installed on the inner walls of both sides of the moving hole, and a moving block is slidably sleeved on the moving rod, and both sides of the moving block extend to Outside the moving hole, a V-shaped column is fixed on the bottom side of the moving block. The bottom end of the V-shaped column runs through the inclined sliding hole. When the dustproof plate slides up and down, the V-shaped column slides in the inclined sliding hole, which can make the moving block left and right. slide.

Preferably, two rotating push rods are rotatably installed on the side of the moving block away from the dust-proof plate, and the side of the two rotating push rods away from the moving block is provided with a chute that starts on the inner wall of the bottom side of the fingerprint input window. Two sliding blocks are slidably installed in the groove, and the ends of the two rotating push rods away from the moving block are respectively rotated and installed on one side of the two sliding blocks. The sliders move away from each other or close to each other.

Preferably, strip-shaped inclined brushes are fixedly installed on the top sides of the two sliders, and the two strip-shaped inclined brushes are in contact with each other and are adapted to the fingerprint collection screen. Drive the two strip cleaning brushes away from or close to each other to clean the fingerprint capture screen.

Preferably, a limit hole is provided on one side of the dust-proof plate, and an L-shaped limit push plate is slidably installed in the limit hole, and both sides of the L-shaped limit push plate extend to the outside of the limit hole, and the L-shaped limit push plate is slidably installed in the limit hole. The side of the push plate close to the dust-proof plate is fixedly installed with a wedge-shaped block, one side of the L-shaped limit push plate is fixedly installed with one end of the limit spring, and the other end of the limit spring is fixedly installed on one side of the dust-proof plate , Through the limit spring, the L-shaped limit push plate can be restored to its original state after the position is changed.

Preferably, an L-shaped card plate is fixedly installed on the inner wall of the top side of the fingerprint input window, and the top side of the L-shaped card plate is in contact with the bottom side of the wedge-shaped card block, and the top side of the L-shaped card plate is connected through the wedge-shaped card block. Contact, and then the position of the wedge-shaped block is fixed, and the position of the dustproof plate is fixed.

Preferably, a tension spring is fixedly installed on the bottom side of the dustproof plate, and the bottom end of the tension spring is fixedly installed on the inner wall of the bottom side of the cavity. After the phases are separated, pull the dust plate to slide it down until it opens.

Technical effects and advantages of the present utility model:

1. Using the design of dust-proof plate, L-shaped card plate, L-shaped limit push plate and wedge-shaped card block, after the user's fingerprint identification is completed, push the L-shaped limit push plate upward to drive the dust plate to slide up and slowly close the fingerprint input. Window, the movement of the L-shaped limit push plate drives the wedge-shaped clamping block to move. When the wedge-shaped clamping block contacts the L-shaped clamping plate, the L-shaped clamping plate squeezes the inclined edge of the wedge-shaped clamping block so that the wedge-shaped clamping block slides to the right, and the wedge-shaped clamping block slides to the right. The block sliding drives the L-shaped limit push plate to slide to the right, and the limit spring is elastically deformed. When the L-shaped card plate and the wedge-shaped card block are separated, the dust-proof plate is in contact with the top inner wall of the fingerprint input window. Under the reaction force of the limit spring, the wedge-shaped block returns to its original state and contacts the top side of the L-shaped block, and then the position of the wedge-shaped block is fixed, and the position of the dust-proof plate is fixed. At this time, the closing of the dust-proof plate is completed. The dustproof plate is closed and dust is prevented from entering the fingerprint input window;

2. In the present invention, when it is necessary to unlock the fingerprint, the L-shaped limit push plate can be pushed to open the dustproof plate, and at the same time, the two strip-shaped inclined brushes can clean the fingerprint acquisition screen, so that the fingerprint acquisition screen can be kept one. The best identification state can then accurately identify the user's fingerprint and improve the user's comfort.

Description of drawings

Figure 1 is a schematic diagram of the three-dimensional structure of the utility model.

FIG. 2 is a schematic side view of the cross-sectional structure of the utility model.

FIG. 3 is a schematic top view sectional structure diagram of the utility model.

FIG. 4 is a schematic structural diagram of part A in FIG. 2 of the present utility model.

FIG. 5 is a perspective view of the structure of part B in FIG. 2 of the present utility model.

In the picture: 1 lock shell, 2 fingerprint input window, 3 fingerprint acquisition screen, 4 cavity, 5 sliding hole, 6 dustproof plate, 7 connecting column, 8 moving hole, 9 moving rod, 10 moving block, 11 V-shaped column , 12 inclined sliding holes, 13 rotating push rods, 14 sliding grooves, 15 sliding blocks, 16 strip-shaped inclined brushes, 17 limit holes, 18 L-shaped limit push plates, 19 wedge-shaped blocks, 20 L-shaped card plates.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

The utility model provides a fingerprint dustproof device of a fingerprint lock for smart home as shown in Figures 1-5, comprising a lock shell 1, a fingerprint input window 2 is opened on one side of the lock shell 1, and the fingerprint input window 2 A fingerprint collection screen 3 is provided inside, and one side of the fingerprint collection screen 3 is provided with a cavity 4 opened on the lock shell 1, and a sliding hole 5 is opened on the inner wall of the top side of the cavity 4, and the sliding hole 5 is connected with the fingerprint input. The window 2 is connected to each other, a dustproof plate 6 is slidably installed in the sliding hole 5, both sides of the dustproof plate 6 extend to the outside of the sliding hole 5, and the top side of the dustproof plate 6 is in contact with the inner wall of the top side of the fingerprint input window 2. One side of the dust-proof plate 6 is fixedly installed with a connecting column 7 located in the cavity 4, and the top side of the connecting column 7 is provided with an inclined sliding hole 12. Through the design of the dust-proof plate 6, dust can be prevented from entering the fingerprint input window 2. , thereby preventing the fingerprint collection screen 3 from adhering to a large amount of dust, which affects the use.

Further, in the above solution, a moving hole 8 is opened on the inner wall of the top side of the cavity 4, the same moving rod 9 is fixedly installed on the inner walls of both sides of the moving hole 8, and the moving rod 9 is slidably sleeved with a moving rod. Block 10, both sides of the moving block 10 extend to the outside of the moving hole 8, the bottom side of the moving block 10 is fixedly installed with a V-shaped column 11, and the bottom end of the V-shaped column 11 penetrates the inclined sliding hole 12. When sliding, the V-shaped column 11 slides in the inclined sliding hole 12, so that the moving block 10 can slide left and right.

Further, in the above solution, the side of the moving block 10 away from the dust-proof plate 6 is rotatably installed with two rotating push rods 13, and the side of the two rotating push rods 13 away from the moving block 10 is provided with a fingerprint input device that starts at the fingerprint input. The sliding groove 14 on the inner wall of the bottom side of the window 2, two sliding blocks 15 are slidably installed in the sliding groove 14, and the ends of the two rotating push rods 13 away from the moving block 10 are respectively rotated and installed on one side of the two sliding blocks 15, By sliding the moving block 10 left and right, the two rotating push rods 13 can be rotated, thereby making the two sliding blocks 15 move away from each other or approach each other.

Further, in the above solution, the top sides of the two sliders 15 are fixedly installed with strip-shaped inclined brushes 16, and the two strip-shaped inclined brushes 16 are in contact and are both adapted to the fingerprint collection screen 3. The two sliders 15 moving away from each other or approaching each other can drive the two strip-shaped cleaning brushes 16 to move away from or approach each other to clean the fingerprint collection screen 3 .

Further, in the above solution, a limit hole 17 is provided on one side of the dust-proof plate 6, and an L-shaped limit push plate 18 is slidably installed in the limit hole 17, and both sides of the L-shaped limit push plate 18 are installed. Extending to the outside of the limit hole 17, the side of the L-shaped limit push plate 18 close to the dustproof plate 6 is fixedly installed with a wedge-shaped block 19, and one side of the L-shaped limit push plate 18 is fixedly installed with one end of the limit spring. The other end of the position spring is fixedly installed on one side of the dustproof plate 6, and the L-shaped limit push plate 18 can be restored to its original state after the position is changed by the limit spring.

Further, in the above solution, an L-shaped card board 20 is fixedly installed on the inner wall of the top side of the fingerprint input window 2, and the top side of the L-shaped card board 20 is in contact with the bottom side of the wedge-shaped block 19. The block 19 is in contact with the top side of the L-shaped clamping plate 20, so that the position of the wedge-shaped clamping block 19 is fixed, and the position of the dustproof plate 6 is fixed.

Further, in the above solution, a tension spring is fixedly installed on the bottom side of the dustproof plate 6, and the bottom end of the tension spring is fixedly installed on the inner wall of the bottom side of the cavity 4. After the clamping block 19 is separated from the L-shaped clamping plate 20, the dustproof plate 6 is pulled to slide downward until it is opened.

This practical working principle:

When fingerprint unlocking is required, push the L-shaped limit push plate 18 to slide in the limit hole 17, and the L-shaped limit push plate 18 moves to drive the wedge-shaped block 19 to separate from the L-shaped card plate 20. Therefore, under the reaction force of the tension spring, the dust-proof plate 6 slides downward in the sliding hole 5, the sliding of the dust-proof plate 6 drives the connecting column 7 to move downward, and the movement of the connecting column 7 drives the V-shaped column 11 to slide diagonally. Sliding in the hole 12, the inner wall of the inclined sliding hole 12 squeezes the V-shaped column 11 to move to the right, and the V-shaped column 11 moves to make the moving block 10 slide to the right on the moving rod 9, and the sliding of the moving block 10 drives two rotations The push rod 13 rotates, and the two rotating push rods 13 rotate to drive the two sliders 15 away from each other, and the two sliders 15 move away from each other to drive the two strip-shaped inclined brushes 16 away from each other to clean the fingerprint collection screen 3, thereby improving fingerprint detection. The accuracy of identification, after the user's fingerprint identification is completed, push the L-shaped limit push plate 18 upward to drive the dust plate 6 to slide upward and slowly close the fingerprint input window 2, the L-shaped limit push plate 18 moves to drive the wedge-shaped block 19 to move, When the wedge-shaped clamping block 19 is in contact with the L-shaped clamping plate 20, the L-shaped clamping plate 20 squeezes the inclined edge of the wedge-shaped clamping block 19 so that the wedge-shaped clamping block 19 slides to the right, and the wedge-shaped clamping block 19 slides to drive the L-shaped limit push plate 18 slides to the right, and the limit spring is elastically deformed. When the L-shaped card plate 20 is separated from the wedge-shaped block 19, the dust-proof plate 6 is in contact with the inner wall of the top side of the fingerprint input window 2. Under the reaction force, the wedge-shaped clamping block 19 is restored to its original state and contacts the top side of the L-shaped clamping plate 20, and then the position of the wedge-shaped clamping block 19 is fixed, and the position of the dustproof plate 6 is fixed. At this time, the closing of the dustproof plate 6 is completed, and the dust-proof.

Finally, it should be noted that the above are only the preferred embodiments of the present invention, and are not intended to limit the present invention. , it can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements to some of its technical features, any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present utility model, All should be included within the protection scope of the present invention.

Claims (7)

1. A fingerprint dustproof device for a fingerprint lock for a smart home, comprising a lock case (1), a fingerprint input window (2) is provided on one side of the lock case (1), and a fingerprint input window (2) is provided with a fingerprint input window (2). A fingerprint collection screen (3), characterized in that: a cavity (4) provided on the lock housing (1) is provided on one side of the fingerprint collection screen (3), and a cavity (4) is provided with a cavity (4) on the inner wall of the top side. There is a sliding hole (5), the sliding hole (5) is communicated with the fingerprint input window (2), a dustproof plate (6) is slidably installed in the sliding hole (5), and both sides of the dustproof plate (6) extend to Outside the sliding hole (5), the top side of the dust-proof plate (6) is in contact with the inner wall of the top side of the fingerprint input window (2). A connecting column (7) is provided with an inclined sliding hole (12) on the top side of the connecting column (7). 2. The fingerprint dustproof device of a fingerprint lock for a smart home according to claim 1, characterized in that: a moving hole (8) is provided on the inner wall of the top side of the cavity (4), and the moving hole (8) The same moving rod (9) is fixedly installed on the inner walls on both sides of ), and a moving block (10) is slidably sleeved on the moving rod (9), and both sides of the moving block (10) extend to the outside of the moving hole (8). A V-shaped column (11) is fixedly installed on the bottom side of the moving block (10), and the bottom end of the V-shaped column (11) penetrates the inclined sliding hole (12). 3. The fingerprint dustproof device of a fingerprint lock for a smart home according to claim 2, characterized in that: the side of the moving block (10) away from the dustproof plate (6) is rotatably installed with two rotary pushers The rod (13), the side of the two rotating push rods (13) away from the moving block (10) is provided with a chute (14) that starts on the inner wall of the bottom side of the fingerprint input window (2), and slides in the chute (14) Two sliding blocks (15) are installed, and the ends of the two rotating push rods (13) away from the moving block (10) are respectively rotatably mounted on one side of the two sliding blocks (15). 4. The fingerprint dust-proof device of a fingerprint lock for a smart home according to claim 3, characterized in that: a strip-shaped inclined brush (16) is fixedly installed on the top sides of the two sliders (15), The two strip-shaped inclined brushes (16) are in contact with each other and are both adapted to the fingerprint collection screen (3). 5. The fingerprint dust-proof device of a fingerprint lock for a smart home according to claim 1, characterized in that: a limit hole (17) is provided on one side of the dust-proof plate (6), and the limit hole (17) ) is slidably installed with an L-shaped limit push plate (18), both sides of the L-shaped limit push plate (18) extend to the outside of the limit hole (17), and the L-shaped limit push plate (18) is close to the dust-proof One side of the plate (6) is fixedly installed with a wedge-shaped block (19), one side of the L-shaped limit push plate (18) is fixedly installed with one end of the limit spring, and the other end of the limit spring is fixedly installed on the dust-proof plate ( 6) on one side. 6. The fingerprint dust-proof device of a fingerprint lock for a smart home according to claim 1, characterized in that: an L-shaped card board (20) is fixedly installed on the top side inner wall of the fingerprint input window (2), The top side of the L-shaped clamping plate (20) is in contact with the bottom side of the wedge-shaped clamping block (19). 7. The fingerprint dustproof device of a fingerprint lock for a smart home according to claim 1, characterized in that: a tension spring is fixedly installed on the bottom side of the dustproof plate (6), and the bottom end of the tension spring is fixedly installed On the inner wall of the bottom side of the cavity (4).

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