Fingerprint entrance guard with cleaning function

By designing a pneumatic cylinder-driven cleaning mechanism in the fingerprint access control, the automatic cleaning of residual fingerprints on the surface of the fingerprint collector is achieved, solving the security risks caused by the lack of cleaning function of the existing fingerprint access control, and improving the safety of the access control.

CN222838453UActive Publication Date: 2025-05-06SHANGHAI HONGWEI INTELLIGENT TECH CO LTD
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Patent Information

Application Number
CN202421539489.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-01
Publication Date
2025-05-06
Estimated Expiration
2034-07-01

AI Technical Summary

Technical Problem

The existing fingerprint access control lacks the function of fingerprint cleaning, which can easily lead to criminals opening the access control by extracting fingerprints, causing the risk of property losses and privacy leakage.

Method used

A fingerprint access control with cleaning function is designed, and a cleaning mechanism driven by a pneumatic cylinder is adopted. The connecting block, connecting rod and cleaning block are driven to move each other through the pneumatic cylinder to achieve the cleaning of the remaining fingerprints on the surface of the fingerprint collector.

Benefits of technology

Automatic cleaning of residual fingerprints on the surface of the fingerprint collector is achieved, improving the security of access control and preventing the risk of criminals opening the access control through fingerprints.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of fingerprint access control, and discloses a fingerprint access control with a cleaning function, which comprises a rectangular frame, a fingerprint access control body is fixedly connected in the rectangular frame, and a fingerprint acquisition window is arranged on the front side of the fingerprint access control body. A fingerprint collector is fixedly mounted in the bottom end of the fingerprint collection window, a protection box is fixedly connected to the bottom of an inner cavity of the rectangular frame, and the left side of the protection box is fixedly connected with the right side of a fingerprint access control body. Through the arrangement of the pneumatic cylinder, the connecting blocks, the connecting rods and the cleaning blocks, when the pneumatic cylinder operates, the connecting blocks are driven to move downwards, then the two connecting rods rotate to drive the two cleaning blocks to move oppositely, and the two cleaning blocks move oppositely to the center of the fingerprint collector. Therefore, the purpose of cleaning residual fingerprints above the fingerprint collector is achieved, and the safety of the device is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of fingerprint access control, and more specifically, to a fingerprint access control with a cleaning function. Background Art

[0002] Fingerprint access control, also known as fingerprint lock, is the perfect crystallization of computer information technology, electronic technology, mechanical technology and modern hardware technology. Fingerprint authentication is convenient, fast and accurate.

[0003] With the development of science and technology, fingerprint access control is widely used in daily life. In actual use, although the existing fingerprint access control can realize the basic fingerprint recognition function, the existing fingerprint access control generally does not have the function of fingerprint cleaning. If criminals extract the fingerprint on the fingerprint access control to open the access control, this will cause the risk of property loss and privacy leakage, so it needs to be improved. Utility Model Content

[0004] In order to overcome the deficiencies of the prior art, the utility model provides a fingerprint access control with a cleaning function, which has the advantage of automatically cleaning fingerprints.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions: a fingerprint access control with a cleaning function, comprising:

[0006] A rectangular frame, wherein a fingerprint access control body is fixedly connected inside the rectangular frame, a fingerprint collection window is provided on the front of the fingerprint access control body, a fingerprint collector is fixedly installed inside the bottom of the fingerprint collection window, a protection box is fixedly connected to the bottom of the inner cavity of the rectangular frame, and the left side of the protection box is fixedly connected to the right side of the fingerprint access control body;

[0007] A cleaning mechanism, wherein the cleaning mechanism is arranged inside the protective box;

[0008] Among them, the cleaning mechanism includes a pneumatic cylinder, which is fixedly installed inside the protective box. The top of the pneumatic cylinder penetrates the protective box and extends to the top of the protective box and is fixedly connected to a connecting block. The left and right sides of the top of the connecting block are hinged with connecting rods, and the other end of the connecting rod is hinged with a cleaning block. There are two cleaning blocks, and the outer surfaces of the two cleaning blocks are movably connected to the inner surface of the fingerprint collection window. The two cleaning blocks move towards each other to clean the fingerprints remaining on the surface of the fingerprint collector.

[0009] As a preferred technical solution of the utility model, a limiting groove located behind the fingerprint collection window is opened on the front of the fingerprint access control body, and the inner surface of the limiting groove is movably connected to a limiting block. There are two limiting blocks, and the front sides of the two limiting blocks are fixedly connected to the back sides of the two cleaning blocks respectively.

[0010] As a preferred technical solution of the utility model, a rectangular groove located above the fingerprint collection window is opened on the front of the fingerprint access control body, and a button is movably installed inside the rectangular groove.

[0011] As a preferred technical solution of the utility model, a driving motor is fixedly connected to the top of the fingerprint access control body, a rotating shaft is fixedly sleeved on the other end of the output shaft of the driving motor, and a gear is fixedly sleeved on the outer surface of the rotating shaft.

[0012] As a preferred technical solution of the utility model, the outer surface of the gear is meshedly connected with a tooth plate, and the right side of the tooth plate is fixedly connected with a lifting plate, and the lifting plate moves downward to close the fingerprint access control body.

[0013] As a preferred technical solution of the utility model, a fixing plate is movably connected to the right side of the lifting plate, and the outer surface of the fixing plate is fixedly connected to the inner surface of the rectangular frame.

[0014] As a preferred technical solution of the utility model, a slide groove is provided inside the front surface of the rectangular frame, and the inner surface of the slide groove is movably connected to the outer surface of the lifting plate.

[0015] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0016] 1. The utility model is provided with a pneumatic cylinder, a connecting block, a connecting rod and a cleaning block. When the pneumatic cylinder is in operation, the connecting block will be driven to move downward, thereby causing the two connecting rods to rotate and drive the two cleaning blocks to move toward each other. As the two cleaning blocks move toward each other to the center of the fingerprint collector, the purpose of cleaning the residual fingerprints above the fingerprint collector is achieved, thereby improving the safety of the device.

[0017] 2. The utility model sets a driving motor, a gear, a toothed plate and a lifting plate. When the driving motor is running, the rotating shaft will drive the gear to rotate, and then the gear will mesh with the toothed plate and drive the lifting plate to move downward. When the lifting plate moves to the bottom of the inner cavity of the rectangular frame, the purpose of sealing and protecting the fingerprint access control body is achieved, avoiding damage to the fingerprint collector and buttons by human beings, and improving the protection and practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the structure of the utility model;

[0019] Figure 2 It is a cross-sectional structural schematic diagram of the side of the utility model;

[0020] Figure 3 This is a schematic cross-sectional view of the cleaning block of the utility model;

[0021] Figure 4 It is a cross-sectional structural schematic diagram of the connecting rod of the utility model;

[0022] Figure 5 for Figure 4 Schematic diagram of the local enlarged structure at point A in the middle.

[0023] In the figure: 1. rectangular frame; 2. fingerprint collection window; 3. fingerprint collector; 4. protective box; 5. pneumatic cylinder; 6. connecting block; 7. connecting rod; 8. cleaning block; 9. limit groove; 10. limit block; 11. rectangular groove; 12. button; 13. drive motor; 14. rotating shaft; 15. gear; 16. tooth plate; 17. lifting plate; 18. fixing plate; 19. slide groove; 20. fingerprint access control body. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] like Figures 1 to 5 As shown, the utility model provides a fingerprint access control with a cleaning function, including:

[0026] A rectangular frame 1 is provided, and a fingerprint access control body 20 is fixedly connected to the inside of the rectangular frame 1. A fingerprint collection window 2 is provided on the front of the fingerprint access control body 20. A fingerprint collector 3 is fixedly installed inside the bottom of the fingerprint collection window 2. A protection box 4 is fixedly connected to the bottom of the inner cavity of the rectangular frame 1. The left side of the protection box 4 is fixedly connected to the right side of the fingerprint access control body 20.

[0027] A cleaning mechanism, the cleaning mechanism is arranged inside the protection box 4;

[0028] Among them, the cleaning mechanism includes a pneumatic cylinder 5, which is fixedly installed inside the protective box 4. The top of the pneumatic cylinder 5 penetrates the protective box 4 and extends to the top of the protective box 4 and is fixedly connected to a connecting block 6. The left and right sides of the top of the connecting block 6 are hinged with connecting rods 7, and the other end of the connecting rod 7 is hinged with a cleaning block 8. There are two cleaning blocks 8. The outer surfaces of the two cleaning blocks 8 are movably connected to the inner surface of the fingerprint collection window 2. The two cleaning blocks 8 move towards each other to clean the fingerprints remaining on the surface of the fingerprint collector 3.

[0029] When the pneumatic cylinder 5 is in operation, it will drive the connecting block 6 to move downward, thereby causing the two connecting rods 7 to rotate and drive the two cleaning blocks 8 to move toward each other, thereby achieving the purpose of cleaning the residual fingerprints above the fingerprint collector 3.

[0030] Among them, a limiting groove 9 located behind the fingerprint collection window 2 is opened on the front of the fingerprint access control body 20, and the inner surface of the limiting groove 9 is movably connected to a limiting block 10. There are two limiting blocks 10, and the front faces of the two limiting blocks 10 are fixedly connected to the back faces of the two cleaning blocks 8 respectively.

[0031] The design of the limiting groove 9 and the limiting block 10 serves to limit the two cleaning blocks 8 .

[0032] A rectangular groove 11 is provided on the front of the fingerprint access control body 20 and is located above the fingerprint collection window 2 . A button 12 is movably installed inside the rectangular groove 11 .

[0033] The design of the button 12 allows the door to be opened when the fingerprint collector 3 fails to recognize the fingerprint.

[0034] The top of the fingerprint access control body 20 is fixedly connected with a driving motor 13 , the other end of the output shaft of the driving motor 13 is fixedly sleeved with a rotating shaft 14 , and the outer surface of the rotating shaft 14 is fixedly sleeved with a gear 15 .

[0035] When the driving motor 13 is running, the rotating shaft 14 will drive the gear 15 to rotate.

[0036] The outer surface of the gear 15 is meshedly connected with a tooth plate 16 , and the right side of the tooth plate 16 is fixedly connected with a lifting plate 17 , and the lifting plate 17 moves downward to close the fingerprint access control body 20 .

[0037] The gear 15 rotates and meshes with the toothed plate 16, thereby driving the lifting plate 17 to move downward. When the lifting plate 17 moves to the bottom of the inner cavity of the rectangular frame 1, the purpose of sealing and protecting the fingerprint access control body 20 is achieved.

[0038] The right side of the lifting plate 17 is movably connected to a fixing plate 18 , and the outer surface of the fixing plate 18 is fixedly connected to the inner surface of the rectangular frame 1 .

[0039] The design of the fixing plate 18 serves to seal the space above the fingerprint access control body 20 .

[0040] A slide groove 19 is provided inside the front surface of the rectangular frame 1 , and the inner surface of the slide groove 19 is movably connected to the outer surface of the lifting plate 17 .

[0041] Such a design plays a role in limiting the position of the lifting plate 17.

[0042] The working principle and use process of this utility model:

[0043] When wiping the fingerprints remaining on the fingerprint collector 3, starting the pneumatic cylinder 5 will drive the connecting block 6 to move downward, thereby causing the two connecting rods 7 to rotate and drive the two cleaning blocks 8 to move toward each other. When the two cleaning blocks 8 move toward each other to the center of the fingerprint collector 3, the purpose of wiping the fingerprints remaining on the fingerprint collector 3 is achieved.

[0044] When the fingerprint access control body 20 is idle, starting the drive motor 13 will cause the rotating shaft 14 to drive the gear 15 to rotate, and then the gear 15 engages with the toothed plate 16 to drive the lifting plate 17 to move downward. When the lifting plate 17 moves to the bottom of the inner cavity of the rectangular frame 1, the purpose of sealing and protecting the fingerprint access control body 20 is achieved, avoiding damage to the fingerprint collector 3 and the button 12 caused by human beings.

[0045] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0046] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A fingerprint access control system with a cleaning function, characterized in that: Included are: A rectangular frame (1), a fingerprint access control body (20) is fixedly connected to the interior of the rectangular frame (1), a fingerprint collection window (2) is provided on the front of the fingerprint access control body (20), a fingerprint collector (3) is fixedly installed inside the bottom of the fingerprint collection window (2), a protection box (4) is fixedly connected to the bottom of the inner cavity of the rectangular frame (1), and the left side of the protection box (4) is fixedly connected to the right side of the fingerprint access control body (20); A cleaning mechanism, the cleaning mechanism being arranged inside the protective box (4); The cleaning mechanism comprises a pneumatic cylinder (5), the pneumatic cylinder (5) is fixedly installed inside the protection box (4), the top of the pneumatic cylinder (5) penetrates the protection box (4) and extends to the top of the protection box (4) and is fixedly connected to a connecting block (6), the left and right sides of the top of the connecting block (6) are hinged with connecting rods (7), the other end of the connecting rod (7) is hinged with a cleaning block (8), the number of the cleaning blocks (8) is two, the outer surfaces of the two cleaning blocks (8) are movably connected to the inner surface of the fingerprint collection window (2), and the two cleaning blocks (8) move towards each other to clean the fingerprints remaining on the surface of the fingerprint collector (3).

2. According to claim 1, the fingerprint access control system with cleaning function is characterized by: The front surface of the fingerprint access control body (20) is provided with a limiting groove (9) located behind the fingerprint collection window (2); the inner surface of the limiting groove (9) is movably connected to a limiting block (10); the number of the limiting blocks (10) is two, and the front surfaces of the two limiting blocks (10) are fixedly connected to the back surfaces of the two cleaning blocks (8) respectively.

3. According to claim 1, the fingerprint access control system with cleaning function is characterized by: A rectangular groove (11) located above the fingerprint collection window (2) is provided on the front of the fingerprint access control body (20), and a button (12) is movably installed inside the rectangular groove (11).

4. According to claim 1, the fingerprint access control system with cleaning function is characterized by: The top of the fingerprint access control body (20) is fixedly connected to a driving motor (13), the other end of the output shaft of the driving motor (13) is fixedly sleeved with a rotating shaft (14), and the outer surface of the rotating shaft (14) is fixedly sleeved with a gear (15).

5. According to claim 4, the fingerprint access control system with cleaning function is characterized by: The outer surface of the gear (15) is meshedly connected with a toothed plate (16), and the right side of the toothed plate (16) is fixedly connected with a lifting plate (17), and the lifting plate (17) moves downward to close the fingerprint access control body (20).

6. According to claim 5, the fingerprint access control system with cleaning function is characterized by: The right side of the lifting plate (17) is movably connected to a fixing plate (18), and the outer surface of the fixing plate (18) is fixedly connected to the inner surface of the rectangular frame (1).

7. The fingerprint access control system with cleaning function according to claim 1 is characterized by: A slide groove (19) is provided inside the front surface of the rectangular frame (1), and the inner surface of the slide groove (19) is movably connected to the outer surface of the lifting plate (17).