CN207909167U - A kind of fingerprint identification device with protective device - Google Patents

Abstract

The utility model discloses a kind of fingerprint identification devices with protective device in fingerprint identification technology field,Including shell,Blind hole is offered on the shell,The top of the fingerprint recognition chip is installed by touch screen,It is laterally opened up on the shell fluted,It is respectively mounted fixed block at left and right sides of the groove,The adjacent surface of fixed block described in two groups is equipped with spring,Side of the left side spring far from fixed block is installed by movable plate,The top of the movable plate is installed by push rod,Side of the right side spring far from fixed block is installed by movable block,The top right side of the shell offers socket,The top installation locking device of the socket,The device passes through spring,Movable plate,Push rod,Bayonet,Being used cooperatively between movable block and locking device,After being conducive to fingerprint recognition,Touch screen protective is got up using movable plate,It prevents from falling into dust,Cause fingerprint recognition inaccurate,Extend the service life of fingerprint identification device.

Description

A fingerprint recognition device with a protective device

technical field

The utility model relates to the technical field of fingerprint identification, in particular to a fingerprint identification device with a protection device.

Background technique

Fingerprint recognition refers to identification by comparing the detailed feature points of different fingerprints. Fingerprint recognition technology involves many disciplines such as image processing, pattern recognition, computer vision, mathematical morphology, and wavelet analysis. Because everyone's fingerprints are different, even between the ten fingers of the same person, there are obvious differences in fingerprints, so fingerprints can be used for identification.

At present, the company uses fingerprint readers for clocking in and going to work, but because the touch screen that presses the fingerprint is often exposed to the outside world, dust tends to accumulate on the touch screen over time, resulting in inaccurate fingerprint recognition and causing inconvenience. Therefore, we propose a fingerprint reader with a protection device Identify the device.

Utility model content

The purpose of this utility model is to provide a fingerprint identification device with a protection device to solve the problem that the touch screen is often exposed to the outside world, and dust is easy to accumulate on the touch screen over time, resulting in inaccurate fingerprint identification.

In order to achieve the above purpose, the utility model provides the following technical solutions: a fingerprint identification device with a protective device, including a housing, bases are installed on the left and right sides of the bottom of the housing, blind holes are opened on the housing, the A circuit board is installed at the bottom of the cavity of the blind hole, and a fingerprint identification chip is installed on the top of the circuit board, and the circuit board and the fingerprint identification chip are electrically connected, a touch screen is installed on the top of the fingerprint identification chip, and a horizontal There is a groove, and fixed blocks are installed on the left and right sides of the groove, springs are installed on the adjacent surfaces of the two sets of fixed blocks, and a moving plate is installed on the side where the springs on the left side are away from the fixed block, and the moving plate A push rod is installed on the top of the board, and a moving hole matching the push rod is opened on the left side of the top of the housing. Pulley, the top right side of the housing is provided with a socket, the top of the socket is equipped with a locking device, the locking device includes a movable plate, the center of the bottom of the movable plate is equipped with an insertion rod, and the movable plate is provided with A bayonet that matches the insertion rod, telescopic rods are installed on the left and right sides of the bottom of the movable plate, and the bottom of the telescopic rod is fixed on the top of the shell.

Preferably, the telescopic rod includes a sleeve rod, the top of the sleeve rod is inserted into the connecting rod, the bottom of the connecting rod is equipped with a slider, the left and right sides of the slider are equipped with balls, and the balls are far away from the sides of the slider. One side is attached to the inner wall of the sleeve rod, a tension spring is installed at the bottom of the slider, and the other end of the tension spring is connected with the bottom inner wall of the sleeve rod.

Preferably, sliding bars are installed on the front and rear sides of the moving plate, and the inner walls of the front and rear sides of the groove are provided with slide grooves matching the sliding bars.

Preferably, a pull ring is installed on the top of the movable plate, and an anti-slip sleeve is installed on the outer surface of the pull ring.

Preferably, a cleaning sponge is installed on the bottom of the moving plate.

Preferably, a rope is provided between the moving block and the right fixed block, and the length of the rope is equal to the distance from the right fixed block to the socket.

Compared with the prior art, the utility model has the beneficial effects that: the device has a simple structure and is easy to use, and is beneficial to fingerprints through the cooperative use of the spring, the moving plate, the push rod, the bayonet, the moving block and the locking device. After the identification, the touch screen is protected by the mobile plate to prevent dust from falling into it, resulting in inaccurate fingerprint identification and prolonging the service life of the device.

Description of drawings

Fig. 1 is a structural representation of the utility model;

Fig. 2 is a structural schematic diagram of the locking device of the present invention;

Fig. 3 is a structural schematic diagram of the telescopic rod of the present invention.

In the figure: 1 shell, 2 base, 3 blind hole, 4 circuit board, 5 fingerprint identification chip, 6 touch screen, 7 groove, 8 fixed block, 9 spring, 10 moving plate, 11 push rod, 12 moving block, 13 pulley , 14 locking devices, 15 movable plates, 151 pull rings, 16 inserting rods, 17 bayonet sockets, 18 telescopic rods, 181 sets of rods, 182 connecting rods, 183 sliders, 184 balls, 185 tension springs, 19 sockets.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Figures 1-3, the utility model provides a technical solution: a fingerprint identification device with a protective device, including a housing 1, the bottom of the housing 1 is equipped with a base 2 on the left and right sides, which is convenient for installation, and the housing 1 is provided with There is a blind hole 3, a circuit board 4 is installed at the bottom of the cavity of the blind hole 3, and a fingerprint identification chip 5 is installed on the top of the circuit board 4, and the circuit board 4 and the fingerprint identification chip 5 are electrically connected, and the top of the fingerprint identification chip 5 The touch screen 6 is installed, and the housing 1 is provided with a groove 7 horizontally. The left and right sides of the groove 7 are equipped with fixed blocks 8. The adjacent surfaces of the two groups of fixed blocks 8 are equipped with springs 9. The left spring 9 is far away from the side of the fixed block 8. A moving plate 10 is installed on one side, a push rod 11 is installed on the top of the moving plate 10, and a moving hole matching the push rod 11 is opened on the left side of the top of the casing 1, and the moving block is installed on the side of the right spring 9 away from the fixed block 8 12. Pulleys 13 are installed on the left and right sides of the bottom of the moving block 12, and a socket 19 is provided on the right side of the top of the casing 1, and a locking device 14 is installed on the top of the socket 19. The locking device 14 includes a movable plate 15, and the bottom of the movable plate 15 Insertion rod 16 is installed in the center, and mobile plate 10 is provided with the bayonet 17 that matches with insertion rod 16, and telescopic rod 18 is all installed on the left and right sides of the bottom of movable plate 15, and the bottom of telescopic rod 18 is fixed on the top of shell 1.

Wherein, the telescopic rod 18 includes a sleeve rod 181, the top of the sleeve rod 181 is plugged with a connecting rod 182, the bottom of the connecting rod 182 is equipped with a slide block 183, the left and right sides of the slide block 183 are equipped with balls 184, and the balls 184 are far away from the slide block 183 One side of the sliding block 183 is attached to the inner wall of the sleeve rod 181, and a tension spring 185 is installed at the bottom of the slider 183, and the other end of the tension spring 185 is connected with the bottom inner wall of the sleeve rod 181, which is beneficial to limit the movable plate 15. function, the movable plate 15 is pulled up by the pull ring 151, the tension spring 185 is in a stretched state, the moving block 12 moves to the bottom of the socket 19, and the socket 19 is blocked, when the moving plate 10 pushes the moving block 12 to move to the right , the insertion rod 16 fixes the moving plate 10 through the bayonet 17 under the action of the elastic recovery of the tension spring 185;

Slide bars are installed on the front and rear sides of the mobile plate 10, and the inner walls of the front and rear sides of the groove 7 are provided with chutes matching the slide bars, which is conducive to the better movement of the mobile plate 10;

Draw ring 151 is installed on the top of movable plate 15, and the outer surface of draw ring 151 is installed anti-skid cover, increases the frictional force between palm and draw ring 151, facilitates pulling movable plate 15;

A cleaning sponge is installed on the bottom of the moving plate 10, which helps the cleaning sponge to remove the dirt on the touch screen 6 during the moving process of the moving plate 10;

A rope is provided between the moving block 12 and the fixed block 8 on the right side, and the length of the rope is equal to the distance between the fixed block 8 on the right side and the socket 19, which helps the moving block 12 to be in the normal position of the socket 19 under the restoring force of the spring 9. below, while preventing the spring 9 from being deformed due to excessive stretching.

Working principle: When in use, fix the device at a convenient place through the base 2, press your finger on the touch screen 6 for fingerprint recognition, and push the push rod 11 to move the moving plate 10 to the right after the end, so that the moving plate 10 pushes The moving block 12 moves to the right, and the inserting rod 16 fixes the moving plate 10 by the bayonet 17 under the action of the elastic recovery of the tension spring 185, and the touch screen 6 is protected. Pull up to move the connecting rod 182 upwards. At this time, the tension spring 185 is in a stretched state, and the insertion rod 16 is moved out of the socket 19 at the same time. The moving plate 10 returns to the initial position under the recovery of the spring 9, and the touch screen 6 is opened. , the moving block 12 moves to the right below the socket 19 under the elastic return of the right spring 9, and at this moment, the pull ring 151 is released, and the insertion rod 16 is lifted above the socket 19.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (6)

1. A fingerprint identification device with a protective device, comprising a housing (1), characterized in that bases (2) are installed on the left and right sides of the bottom of the housing (1), and the housing (1) is provided with The blind hole (3), the circuit board (4) is installed at the bottom of the inner cavity of the blind hole (3), the fingerprint identification chip (5) is installed on the top of the circuit board (4), and the circuit board (4) is connected with the fingerprint identification chip The chips (5) are electrically connected, a touch screen (6) is installed on the top of the fingerprint recognition chip (5), and a groove (7) is opened laterally on the casing (1), and the groove (7) Fixed blocks (8) are installed on the left and right sides of the two sets of fixed blocks (8), and springs (9) are installed on the adjacent surfaces of the fixed blocks (8), and the springs (9) on the left side are installed on the side away from the fixed block (8). A moving plate (10), a push rod (11) is installed on the top of the moving plate (10), and a moving hole matching the push rod (11) is opened on the left side of the top of the casing (1), and the spring on the right side (9) A moving block (12) is installed on the side away from the fixed block (8), pulleys (13) are installed on the left and right sides of the bottom of the moving block (12), and the top right side of the casing (1) is provided with Socket (19), the top of the socket (19) is equipped with a locking device (14), the locking device (14) includes a movable plate (15), and the center of the bottom of the movable plate (15) is installed with an insertion rod ( 16), the moving plate (10) is provided with a bayonet (17) matching the insertion rod (16), and telescopic rods (18) are installed on the left and right sides of the bottom of the movable plate (15), and the telescopic The bottom of the rod (18) is fixed to the top of the housing (1). 2. A fingerprint identification device with protection device according to claim 1, characterized in that: the telescopic rod (18) includes a sleeve rod (181), and the top of the sleeve rod (181) is plugged and connected The rod (182), the bottom of the connecting rod (182) is equipped with a slider (183), the left and right sides of the slider (183) are equipped with balls (184), and the balls (184) are far away from the slider (183) One side of the slider (181) fits with the inner wall of the sleeve rod (181), the bottom of the slider (183) is equipped with a tension spring (185), and the other end of the tension spring (185) is connected to the bottom of the sleeve rod (181) Inner wall connections. 3. A fingerprint identification device with protection device according to claim 1, characterized in that: the front and rear sides of the moving plate (10) are equipped with slide bars, and the front and rear sides of the groove (7) The inner wall is provided with a chute matched with the slide bar. 4. A fingerprint identification device with protection device according to claim 1, characterized in that: a pull ring (151) is installed on the top of the movable plate (15), and the outer surface of the pull ring (151) is installed Non-slip cover. 5. The fingerprint recognition device with protection device according to claim 1, characterized in that: a cleaning sponge is installed on the bottom of the moving plate (10). 6. A fingerprint identification device with protection device according to claim 1, characterized in that: a rope is provided between the moving block (12) and the right fixed block (8), and the length of the rope is equal to The distance between the right fixed block (8) and the socket (19).