Fingerprint acquisition instrument capable of realizing sliding focusing

Abstract

The utility model discloses a fingerprint acquisition instrument capable of sliding focusing, which relates to the technical field of fingerprint acquisition instruments and comprises an acquisition instrument body, a top cover is arranged on the outer surface of the upper end of the acquisition instrument body, and a bottom plate is arranged on the outer surface of the lower end of the acquisition instrument body. Guiding sliding grooves, a fingerprint input panel and a movable cleaning plate are arranged on the outer surface of the front end of the acquisition instrument body, the movable cleaning plate is located above the fingerprint input panel, and the guiding sliding grooves are located in the two sides of the fingerprint input panel. According to the fingerprint acquisition instrument capable of sliding focusing, when the fingerprint acquisition instrument is used, the arranged guide sliding groove can facilitate movement of the movable cleaning plate through the sliding block, the sliding block compresses the limiting spring when the movable cleaning plate moves, and then cleaning cotton on the back face of the movable cleaning plate wipes and cleans the fingerprint input panel; the cleanliness of the fingerprint input panel can be guaranteed, the fingerprint collection effect can be guaranteed, and after cleaning is completed, a limiting spring can rebound to reset a movable cleaning plate.

Description

Technical Field

[0001] The utility model relates to the technical field of fingerprint collectors, in particular to a fingerprint collector capable of sliding and adjusting focus. Background Art

[0002] A fingerprint scanner is an electronic instrument that uses the characteristics of a finger's fingerprint to identify an individual. The working principle of the instrument includes four functions: collecting fingerprint images, extracting fingerprint features, saving data, and performing fingerprint comparison. Among them, reading fingerprint images is the most basic and important function of a fingerprint scanner. However, existing fingerprint scanners have certain inconveniences when used.

[0003] A skin fingerprint information collector is disclosed in the Chinese utility model patent application number: CN202122349203.X. By adopting the form of inner and outer boxes, the fingerprint material device is arranged inside the box body to form a light-proof environment, and by providing an IR-Cut film, the light-proof effect is further improved; by adopting a light sensor to collect information, and then passing the information to the middle end through a signal converter and a control board, the information collection accuracy is improved; the utility model has the characteristics of being able to avoid light and high collection accuracy, but the skin fingerprint information collector is not convenient for cleaning the fingerprint collection area when in use. When used for a long time, fingerprint dirt is easily accumulated at the collection area, which is easy to affect the collection accuracy, and the skin fingerprint information collector does not have the effect of collection focusing when in use, which is easy to affect the collection effect. For this reason, we propose a fingerprint collector with sliding focus. Utility Model Content

[0004] The main purpose of the utility model is to provide a fingerprint collector with slidable focus adjustment, which can effectively solve the problems in the background technology.

[0005] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is as follows: a fingerprint collector with sliding focus, comprising a collector body, a top cover is provided on the upper outer surface of the collector body, a bottom plate is provided on the lower outer surface of the collector body, a guide slide groove, a fingerprint input panel and a movable cleaning plate are provided on the front outer surface of the collector body, the movable cleaning plate is located above the fingerprint input panel, the guide slide groove is located on both sides of the fingerprint input panel, a limit spring is provided on the inner surface of one end of the guide slide groove, a first driving motor and a slide rod are provided on the inner surface of one end of the collector body, the slide rod is located on both sides of the first driving motor, a threaded rod is provided on the outer surface of one end of the first driving motor, a movable slide is provided on the outer wall of the threaded rod, a collection sensor and a second driving motor are provided on the upper outer surface of the movable slide, the collection sensor is located on one side of the second driving motor, a collection lens is provided on the outer surface of one end of the collection sensor, a gear bearing is provided between the collection sensor and the collection lens, a driving gear is provided on the outer surface of one end of the second driving motor, a cleaning cotton and a slider are provided on the rear end outer surface of the movable cleaning plate, and the slider is located on both sides of the cleaning cotton.

[0006] Preferably, the collector body and the guide slide groove are an integrally formed structure, the guide slide groove is in two groups, and the front end outer surface of the collector body is detachably connected to the rear end outer surface of the fingerprint input panel.

[0007] Preferably, the inner surface of one end of the guide slide groove is detachably connected to the outer surface of one end of the limit spring, and the rear end outer surface of the movable cleaning plate is detachably connected to the outer surface of one end of the cleaning cotton.

[0008] Preferably, the rear end outer surface of the movable cleaning plate is fixedly connected to the outer surface of one end of the slider, the number of the sliders is two groups, the movable cleaning plate is movably connected to the guide slide groove through the slider, and the lower end outer surface of the slider is fixedly connected to the outer surface of the other end of the limit spring.

[0009] Preferably, the inner surface of one end of the collector body is detachably connected to the outer surface of the other end of the first drive motor, the outer surface of one end of the first drive motor is detachably connected to the outer surface of one end of the threaded rod, and the outer wall of the threaded rod is connected to the inner wall of the movable slide by threads.

[0010] Preferably, there are two groups of sliding rods, and the sliding rods pass through the movable slide, the upper outer surface of the movable slide is detachably connected to the lower outer surface of the acquisition sensor, the acquisition sensor is movably connected to the acquisition lens through a gear bearing, the outer surface of one end of the second driving motor is detachably connected to the outer surface of one end of the driving gear, and the driving gear is meshingly connected to the gear bearing.

[0011] Beneficial Effects

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] The guide slide groove provided can facilitate the movement of the cleaning plate through the slider when in use. When the cleaning plate moves, the slider will compress the limit spring, and then the cleaning cotton on the back of the cleaning plate will wipe and clean the fingerprint input panel, thereby ensuring the cleanliness of the fingerprint input panel and the fingerprint collection effect. After cleaning, the limit spring will rebound to reset the cleaning plate. The first driving motor can drive the threaded rod to rotate when in use, and the threaded rod can drive the movable slide to move back and forth through forward and reverse rotation, thereby driving the collection sensor to move back and forth. During the movement, the second driving motor can be started to drive the driving gear to rotate, so that the driving gear engages with the driving gear bearing to rotate, thereby enabling the gear bearing to drive the collection lens to rotate and zoom. Under the synchronous operation of the first driving motor and the second driving motor, the sliding focusing effect can be achieved, thereby improving the fingerprint collection effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 This is the internal structure diagram of the collector body 1 of the utility model;

[0016] Figure 3 This is a structural diagram of the mobile cleaning plate 6 of the utility model;

[0017] Figure 4 For this utility model Figure 1 Enlarged view of point A in the middle.

[0018] In the figure: 1. Collector body; 2. Top cover; 3. Bottom plate; 4. Guide slide; 5. Fingerprint input panel; 6. Moving cleaning plate; 7. Limit spring; 8. First drive motor; 9. Slide bar; 10. Moving slide; 11. Collecting sensor; 12. Second drive motor; 13. Collecting lens; 14. Gear bearing; 15. Driving gear; 16. Threaded rod; 17. Cleaning cotton; 18. Slider. DETAILED DESCRIPTION

[0019] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0020] like Figure 1-4As shown, a fingerprint collector with slidable focus includes a collector body 1, a top cover 2 is provided on the upper outer surface of the collector body 1, a bottom plate 3 is provided on the lower outer surface of the collector body 1, a guide slide 4, a fingerprint input panel 5 and a movable cleaning plate 6 are provided on the front outer surface of the collector body 1, the movable cleaning plate 6 is located above the fingerprint input panel 5, the guide slide 4 is located on both sides of the fingerprint input panel 5, a limit spring 7 is provided on the inner surface of one end of the guide slide 4, a first drive motor 8 and a slide rod 9 are provided on the inner surface of one end of the collector body 1, the slide rod 9 is located on both sides of the first drive motor 8, and the first A threaded rod 16 is provided on the outer surface of one end of the driving motor 8, and a movable slide 10 is provided on the outer wall of the threaded rod 16. A collection sensor 11 and a second driving motor 12 are provided on the outer surface of the upper end of the movable slide 10. The collection sensor 11 is located on one side of the second driving motor 12. A collection lens 13 is provided on the outer surface of one end of the collection sensor 11. A gear bearing 14 is provided between the collection sensor 11 and the collection lens 13. A driving gear 15 is provided on the outer surface of one end of the second driving motor 12. A cleaning cotton 17 and a slider 18 are provided on the outer surface of the rear end of the movable cleaning plate 6. The slider 18 is located on both sides of the cleaning cotton 17.

[0021] Furthermore, the collector body 1 and the guide slot 4 are an integrally formed structure, and the guide slot 4 is in two groups. The front end outer surface of the collector body 1 is detachably connected to the rear end outer surface of the fingerprint input panel 5. The guide slot 4 can facilitate the movement of the mobile cleaning plate 6 through the slider 18 when in use. When the mobile cleaning plate 6 moves, the slider 18 will compress the limit spring 7, and then the cleaning cotton 17 on the back of the mobile cleaning plate 6 will wipe the fingerprint input panel 5 to ensure the cleanliness of the fingerprint input panel 5 and the fingerprint collection effect. After cleaning, the limit spring 7 will rebound to reset the mobile cleaning plate 6.

[0022] Furthermore, the inner surface of one end of the guide groove 4 is detachably connected to the outer surface of one end of the limit spring 7, and the rear end outer surface of the movable cleaning plate 6 is detachably connected to the outer surface of one end of the cleaning cotton 17, and the cleaning cotton 17 can be conveniently used to wipe and clean the fingerprint input panel 5.

[0023] Furthermore, the rear end outer surface of the movable cleaning plate 6 is fixedly connected to the outer surface of one end of the slider 18, and the number of the sliders 18 is two groups. The movable cleaning plate 6 is movably connected to the guide slide groove 4 through the slider 18, and the lower end outer surface of the slider 18 is fixedly connected to the outer surface of the other end of the limit spring 7. The limit spring 7 can rebound and reset the movable cleaning plate 6.

[0024] Furthermore, the inner surface of one end of the collector body 1 is detachably connected to the outer surface of the other end of the first drive motor 8, and the outer surface of one end of the first drive motor 8 is detachably connected to the outer surface of one end of the threaded rod 16. The outer wall of the threaded rod 16 is threadedly connected to the inner wall of the movable slide 10. The first drive motor 8 can drive the threaded rod 16 to rotate when in use, and the threaded rod 16 can drive the movable slide 10 to move forward and backward by rotating forward and backward, thereby driving the collection sensor 11 to move forward and backward. During the movement, the second drive motor 12 can be started to drive the drive gear 15 to rotate, and the drive gear 15 engages with the gear bearing 14 to rotate, so that the gear bearing 14 can drive the collection lens 13 to rotate and zoom. Under the synchronous operation of the first drive motor 8 and the second drive motor 12, the sliding focusing effect can be achieved, which can improve the fingerprint collection effect.

[0025] Furthermore, there are two groups of sliding rods 9, and the sliding rods 9 pass through the movable slide 10. The upper end outer surface of the movable slide 10 is detachably connected to the lower end outer surface of the acquisition sensor 11. The acquisition sensor 11 is movably connected to the acquisition lens 13 through the gear bearing 14. The outer surface of one end of the second drive motor 12 is detachably connected to the outer surface of one end of the drive gear 15. The drive gear 15 is meshed with the gear bearing 14. The second drive motor 12 can drive the drive gear 15 to rotate, and can make the drive gear 15 mesh with the gear bearing 14 to rotate.

[0026] How it works

[0027] It should be noted that the utility model is a fingerprint collector with sliding focus. When in use, the collector can place his finger on the fingerprint input panel 5. At this time, the first drive motor 8 and the second drive motor 12 operate synchronously. The first drive motor 8 can drive the threaded rod 16 to rotate when in use. The threaded rod 16 can drive the movable slide 10 to move forward and backward through positive and negative rotation, thereby driving the collection sensor 11 to move forward and backward. During the movement, the second drive motor 12 can be started to drive the drive gear 15 to rotate, so that the drive gear 15 meshes with the gear bearing 14 to rotate, so that the gear bearing 14 can drive the collection sensor 11 to move forward and backward. The focusing lens 13 rotates and zooms, and the sliding focusing effect can be achieved under the synchronous operation of the first drive motor 8 and the second drive motor 12, which can improve the fingerprint collection effect. After the fingerprint collection is completed, the movable cleaning plate 6 can be pulled down, and the movable cleaning plate 6 moves downward in the guide slide groove 4 through the slider 18. When the movable cleaning plate 6 moves, the slider 18 will compress the limit spring 7, and then the cleaning cotton 17 on the back of the movable cleaning plate 6 will wipe and clean the fingerprint input panel 5, which can ensure the cleanliness of the fingerprint input panel 5 and the fingerprint collection effect. After cleaning, the limit spring 7 will rebound to reset the movable cleaning plate 6, which is more practical.

[0028] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A fingerprint collector with slidable focus, comprising a collector body (1), characterized in that: The upper outer surface of the acquisition instrument body (1) is provided with a top cover (2), the lower outer surface of the acquisition instrument body (1) is provided with a bottom plate (3), the front outer surface of the acquisition instrument body (1) is provided with a guide slide groove (4), a fingerprint input panel (5) and a movable cleaning plate (6), the movable cleaning plate (6) is located above the fingerprint input panel (5), the guide slide groove (4) is located on both sides of the fingerprint input panel (5), a limit spring (7) is provided on the inner surface of one end of the guide slide groove (4), a first drive motor (8) and a slide rod (9) are provided on the inner surface of one end of the acquisition instrument body (1), the slide rod (9) is located on both sides of the first drive motor (8), and the outer surface of one end of the first drive motor (8) is provided with a A threaded rod (16) is provided, the outer wall of the threaded rod (16) is provided with a movable slide (10), the outer surface of the upper end of the movable slide (10) is provided with a collection sensor (11) and a second drive motor (12), the collection sensor (11) is located on one side of the second drive motor (12), the outer surface of one end of the collection sensor (11) is provided with a collection lens (13), a gear bearing (14) is provided between the collection sensor (11) and the collection lens (13), the outer surface of one end of the second drive motor (12) is provided with a driving gear (15), and the outer surface of the rear end of the movable cleaning plate (6) is provided with cleaning cotton (17) and a slide block (18), and the slide block (18) is located on both sides of the cleaning cotton (17).

2. The fingerprint collector with slidable focus adjustment according to claim 1, characterized in that: The collector body (1) and the guide slide groove (4) are an integrally formed structure, the guide slide groove (4) is provided in two groups, and the front end outer surface of the collector body (1) and the rear end outer surface of the fingerprint input panel (5) are detachably connected.

3. The fingerprint collector with slidable focus adjustment according to claim 1, characterized in that: The inner surface of one end of the guide slide groove (4) is detachably connected to the outer surface of one end of the limit spring (7), and the rear end outer surface of the movable cleaning plate (6) is detachably connected to the outer surface of one end of the cleaning cotton (17).

4. The fingerprint collector with slidable focus adjustment according to claim 1, characterized in that: The rear end outer surface of the movable cleaning plate (6) is fixedly connected to the outer surface of one end of the slider (18), the slider (18) is provided in two groups, the movable cleaning plate (6) is movably connected to the guide slide groove (4) via the slider (18), and the lower end outer surface of the slider (18) is fixedly connected to the outer surface of the other end of the limit spring (7).

5. The fingerprint collector with slidable focus adjustment according to claim 1, characterized in that: The inner surface of one end of the collector body (1) is detachably connected to the outer surface of the other end of the first drive motor (8), the outer surface of one end of the first drive motor (8) is detachably connected to the outer surface of one end of the threaded rod (16), and the outer wall of the threaded rod (16) is connected to the inner wall of the movable slide (10) via threads.

6. The fingerprint collector with slidable focus adjustment according to claim 1, characterized in that: The number of the slide bars (9) is two groups, and the slide bars (9) penetrate the movable slide table (10); the upper end outer surface of the movable slide table (10) is detachably connected to the lower end outer surface of the acquisition sensor (11); the acquisition sensor (11) is movably connected to the acquisition lens (13) via a gear bearing (14); the outer surface of one end of the second drive motor (12) is detachably connected to the outer surface of one end of the drive gear (15); and the drive gear (15) is meshingly connected to the gear bearing (14).

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