Angle-adjustable identity recognizer

By using a combination of worm gear, worm wheel, and trapezoidal lead screw, the angle and height of the face recognition terminal can be adjusted, solving the problems of poor user experience and low recognition efficiency caused by the fixed installation of existing terminals, and improving the recognition success rate and user experience.

CN122014964AInactive Publication Date: 2026-05-12SHENZHEN XINRUI WEILAI TECHNOLOGY DEVELOPMENT CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
SHENZHEN XINRUI WEILAI TECHNOLOGY DEVELOPMENT CO LTD
Filing Date
2026-01-26
Publication Date
2026-05-12
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

Existing facial recognition terminals are usually fixedly installed on walls or turnstiles, and the angle of their recognition modules is fixed. This causes users to have to deliberately bend over or stand on tiptoe to complete the recognition due to differences in height or installation height limitations, resulting in a poor user experience and low recognition efficiency.

Method used

The tilt angle and height of the face recognition terminal are adjusted by a combination of worm gear, worm wheel and trapezoidal lead screw. The magnetic connection installation method facilitates disassembly and maintenance.

Benefits of technology

It improves the success rate of facial recognition and user experience, adapts to users of different heights and various installation environments, and ensures that the camera can be aimed at the user's face at the best angle.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN122014964A_ABST
    Figure CN122014964A_ABST
Patent Text Reader

Abstract

The invention relates to the technical field of identity recognizers, in particular to an angle-adjustable identity recognizer which comprises a first mounting seat. According to the device, the movable seat is rotationally connected with a second limiting ring, the second limiting ring is fixedly connected with a second worm, the second worm is fixedly connected with a second rotating head, the second worm is in meshed connection with a second worm wheel, the second worm wheel is fixedly connected with a second limiting piece, and the second worm wheel is fixedly connected with a first rotating shaft; a movable seat is rotationally connected with a second rotating shaft, a mounting insertion tenon is fixedly connected with the face recognition terminal, a second rotating head is rotated to drive a second worm to rotate so as to drive a second worm gear and a first rotating shaft to rotate, so that a second mounting seat and the face recognition terminal can be driven to rotate, and then the pitching angle of the face recognition terminal can be adjusted; the camera can be aligned with the face of the user at the optimal angle, and the recognition success rate and the user experience are improved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This invention relates to the field of identity recognition technology, specifically to an adjustable-angle identity recognition device. Background Technology

[0002] An identity identifier is a technology, tool, or system used to verify, confirm, or identify the identity of an entity. It plays a key role in fields such as information security, computer systems, and network access, ensuring that only legitimate entities can access specific resources or perform specific operations.

[0003] Currently, biometric identification devices based on facial features, fingerprints, and other biometrics are widely used in security, attendance, and payment scenarios. Common identification devices typically include facial recognition terminals, fingerprint readers, and IC card readers. However, existing facial recognition terminals are usually fixedly installed on walls or turnstiles, and the angle of their recognition modules is fixed. In actual use, due to differences in user height or installation height limitations, the fixed recognition angle often forces users to deliberately bend over or stand on tiptoe to complete the recognition, resulting in a poor user experience and low recognition efficiency. Summary of the Invention

[0004] The purpose of this invention is to provide an adjustable-angle identity recognition device to solve the problem mentioned in the background art that existing face recognition terminals are usually fixedly installed on walls or turnstiles, and the angle of their recognition modules is fixed. In actual use, due to differences in user height or installation height limitations, the fixed recognition angle often causes users to deliberately bend over or stand on tiptoe to complete the recognition, resulting in a poor user experience and low recognition efficiency.

[0005] To achieve the above objectives, the present invention provides the following technical solution: an adjustable-angle identity recognition device, comprising a first mounting base, a first limiting ring rotatably connected inside the first mounting base, a first worm gear fixedly connected to the surface of the first limiting ring, a first rotating head fixedly connected to the surface of the first worm gear, a first worm wheel meshing with the surface of the first worm gear, a first limiting member fixedly connected to the lower surface of the first worm wheel, a trapezoidal lead screw fixedly connected to the upper surface of the first worm wheel, a moving block threadedly connected to the surface of the trapezoidal lead screw, a connecting block fixedly connected to the surface of the moving block, a moving seat fixedly connected to the surface of the connecting block, and a first limiting member rotatably connected inside the moving seat. The second limiting ring has a second worm gear fixedly connected to its surface, a second rotating head fixedly connected to its surface, a second worm wheel meshing with its surface, a second limiting member fixedly connected to one side of the second worm wheel, and a first rotating shaft fixedly connected to the other side of the second worm wheel. The surface of the movable seat is rotatably connected to the second rotating shaft, and a second mounting base is fixedly connected to the end of the first rotating shaft away from the second worm wheel. A first magnetic block is fixedly connected to the inner surface of the second mounting base, a second magnetic block is magnetically connected to the surface of the first magnetic block, and a mounting tenon is fixedly connected to the surface of the second magnetic block. A face recognition terminal is fixedly connected to the surface of the mounting tenon.

[0006] Preferably, the first limiting ring is circular, and the first worm gear is rotatably connected to the first mounting base through the first limiting ring.

[0007] Preferably, the first worm gear is rotatably connected to the first mounting base via the first worm, and the first limiting member is rotatably connected to the first mounting base via the first worm gear. The first limiting member is composed of two cylinders with different radii.

[0008] Preferably, the trapezoidal lead screw is rotatably connected to the first mounting base via a first worm gear, the moving block is slidably connected to the first mounting base via the trapezoidal lead screw, and the connecting block is slidably connected to the first mounting base via the moving block.

[0009] Preferably, the movable seat is slidably connected to the first mounting seat via a connecting block, the second limiting ring is circular, and the second worm gear is rotatably connected to the movable seat via the second limiting ring.

[0010] Preferably, the second worm gear is rotatably connected to the movable seat via the second worm, and the second limiting member is rotatably connected to the movable seat via the second worm gear. The second limiting member is composed of two cylinders with different radii.

[0011] Preferably, the first rotating shaft is rotatably connected to the moving seat via a second worm gear, and the second rotating shaft is composed of two cylinders with different radii.

[0012] Preferably, the second mounting base is in two sets and is fixedly connected to the first rotating shaft and the second rotating shaft respectively. The second mounting base is rotatably connected to the movable base through the first rotating shaft and the second rotating shaft.

[0013] Preferably, the second magnetic block is movably connected to the first magnetic block and the second mounting base, and the mounting tenon is slidably connected to the second magnetic block and the second mounting base. The mounting tenons are symmetrically distributed in two sets on both sides of the face recognition terminal, and the cross-section of the mounting tenon is an isosceles trapezoid.

[0014] Preferably, the face recognition terminal is slidably connected to the second mounting base via a mounting tenon, and the face recognition terminal is rotatably connected to the second mounting base and the movable base.

[0015] Compared with the prior art, the beneficial effects of the present invention are: The system utilizes a combination of a rotating connection between a movable base and a second limiting ring, a fixed connection between the second limiting ring and the second worm gear, a fixed connection between the second worm gear and the second rotating head, a meshing connection between the second worm gear and the second worm wheel, a fixed connection between the second worm wheel and the second limiting member, a fixed connection between the second worm wheel and the first rotating shaft, a rotating connection between the movable base and the second rotating shaft, a fixed connection between the first rotating shaft and the second mounting base, a fixed connection between the second mounting base and the first magnetic block, a magnetic attraction connection between the first and second magnetic blocks, a fixed connection between the second magnetic block and the mounting tenon, and a fixed connection between the mounting tenon and the face recognition terminal. Rotating the second rotating head drives the second worm gear to rotate, which in turn drives the second worm wheel and the first rotating shaft to rotate, thereby driving the second mounting base and the face recognition terminal to rotate. This allows adjustment of the face recognition terminal's tilt angle, ensuring the camera is aligned with the user's face at the optimal angle, improving recognition success rate and user experience. Furthermore, the first and second magnetic blocks enable the detachability of the mounting tenon and the face recognition terminal, facilitating maintenance and replacement by staff.

[0016] Through the rotational connection between the first mounting base and the first limiting ring, the fixed connection between the first limiting ring and the first worm, the fixed connection between the first worm and the first rotating head, the meshing connection between the first worm and the first worm wheel, the fixed connection between the first worm wheel and the first limiting member, the fixed connection between the first worm wheel and the trapezoidal lead screw, the threaded connection between the trapezoidal lead screw and the moving block, the fixed connection between the moving block and the connecting block, and the fixed connection between the connecting block and the moving base, rotating the first rotating head drives the first worm to rotate, which in turn drives the first worm wheel and the trapezoidal lead screw to rotate. This drives the moving block to move the moving base and the face recognition terminal up and down, thereby adjusting the height of the face recognition terminal. This allows the face recognition terminal to adapt to users of different heights and various installation environments, improving the recognition success rate and user experience. Attached Figure Description

[0017] Figure 1This is a frontal perspective view of the structure of the present invention; Figure 2 This is a three-dimensional partial sectional view of the lifting mechanism of the present invention; Figure 3 This is a three-dimensional partial sectional view of the worm gear mechanism of the present invention; Figure 4 This is a partial three-dimensional schematic diagram of the adjusting mechanism of the present invention; Figure 5 This is a partial three-dimensional cross-sectional view of the adjusting mechanism of the present invention; Figure 6 This is a three-dimensional partial sectional view of the worm gear mechanism of the present invention; Figure 7 This is a partial three-dimensional schematic diagram of the disassembly mechanism of the present invention; Figure 8 This is a three-dimensional partial cross-sectional view of the disassembly mechanism of the present invention.

[0018] In the diagram: 1. First mounting base; 2. First limiting ring; 3. First worm gear; 4. First rotating head; 5. First worm wheel; 6. First limiting component; 7. Trapezoidal lead screw; 8. Moving block; 9. Connecting block; 10. Moving base; 11. Second limiting ring; 12. Second worm gear; 13. Second rotating head; 14. Second worm wheel; 15. Second limiting component; 16. First rotating shaft; 17. Second rotating shaft; 18. Second mounting base; 19. First magnetic block; 20. Second magnetic block; 21. Mounting tenon; 22. Face recognition terminal. Detailed Implementation

[0019] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0020] Please see Figure 1-8 One embodiment provided by the present invention: An adjustable-angle identity recognition device includes a first mounting base 1 for mounting a face recognition terminal 22 on a building. A first limiting ring 2 is rotatably connected inside the first mounting base 1, limiting the movement of a first worm gear 3 so that it can only rotate in place. The first worm gear 3 is fixedly connected to the surface of the first limiting ring 2, driving a first worm wheel 5 to rotate. A first rotating head 4 is fixedly connected to the surface of the first worm gear 3, facilitating user rotation of the first worm gear 3. The first worm wheel 5 is meshed with the surface of the first worm gear 3, driving a trapezoidal lead screw 7 to rotate. The first worm gear 3 and the first worm wheel 5 are self-locking. The lower surface of the first worm wheel 5 is fixedly connected to... A first limiting component 6 is provided to limit the movement of the first worm gear 5 and the trapezoidal lead screw 7, ensuring that they can only rotate in place. The trapezoidal lead screw 7 is fixedly connected to the upper surface of the first worm gear 5. The trapezoidal lead screw 7 drives the moving block 8 to move the moving base 10 and the face recognition terminal 22 up and down, thereby adjusting the height of the face recognition terminal 22 to accommodate users of different heights and various installation environments, improving recognition success rate and user experience. The thread helix angle of the trapezoidal lead screw 7 is less than or equal to the equivalent friction angle, and the trapezoidal lead screw 7 has self-locking properties. The moving block 8 is threadedly connected to the surface of the trapezoidal lead screw 7, and the moving block 8 drives the moving base 10 and the face recognition terminal 22 up and down, thereby... The height of the face recognition terminal 22 can be adjusted to accommodate users of different heights and various installation environments, improving the recognition success rate and user experience. A connecting block 9 is fixedly connected to the surface of the moving block 8, connecting the moving block 8 and the moving base 10. The moving base 10 is used to move the face recognition terminal 22 up and down, thereby adjusting its height to accommodate users of different heights and various installation environments, improving the recognition success rate and user experience. A second limiting ring 11 is rotatably connected inside the moving base 10, limiting the movement of the second worm gear 12, causing the second worm gear 12 to only... The device can rotate in place. A second worm gear 12 is fixedly connected to the surface of the second limiting ring 11. The second worm gear 12 drives the second worm wheel 14 to rotate. A second rotating head 13 is fixedly connected to the surface of the second worm gear 12, which facilitates the user's rotation of the second worm gear 12. The second worm wheel 14 is meshed with the surface of the second worm gear 12, which drives the first rotating shaft 16 to rotate. The second worm gear 12 and the second worm wheel 14 are self-locking. A second limiting member 15 is fixedly connected to one side of the second worm wheel 14, which limits the second worm wheel 14 and the first rotating shaft 16, allowing them to rotate only in place. The first rotating shaft 16 is fixedly connected to the other side of the second worm wheel 14.The first rotating shaft 16 drives the second mounting base 18 and the face recognition terminal 22 to rotate, thereby adjusting the tilt angle of the face recognition terminal 22 to ensure that the camera can be aimed at the user's face at the optimal angle, improving the recognition success rate and user experience. The surface of the movable base 10 is rotatably connected to the second rotating shaft 17, which supports the second mounting base 18 and the face recognition terminal 22. The end of the first rotating shaft 16 away from the second worm gear 14 is fixedly connected to the second mounting base 18, which is used to install the mounting tenon 21 and the face recognition terminal 22. The inner surface of the second mounting base 18 is fixedly connected to the first magnet 19, and the surface of the first magnet 19 is magnetically connected to the second magnet. Block 20, the first magnetic block 19, and the second magnetic block 20 are used to install the mounting tenon 21 and the face recognition terminal 22 onto the second mounting base 18. This also allows for the detachment of the mounting tenon 21 and the face recognition terminal 22, facilitating the disassembly and maintenance of the face recognition terminal 22 by personnel. The mounting tenon 21 is fixedly connected to the surface of the second magnetic block 20, and is used to install the face recognition terminal 22 onto the second mounting base 18. The face recognition terminal 22 is used for face recognition. The face recognition terminal 22 is an existing product and is not considered a technical protection point of this application; therefore, it will not be described in detail here.

[0021] Furthermore, the first mounting base 1 is used to install the face recognition terminal 22 on the building. The first limiting ring 2 is circular and is used to limit the first worm gear 3, so that the first worm gear 3 can only rotate in place. The first worm gear 3 is rotatably connected to the first mounting base 1 through the first limiting ring 2 and is used to drive the first worm wheel 5 to rotate.

[0022] Furthermore, the first rotating head 4 is used to facilitate the user to rotate the first worm 3. The first worm wheel 5 is rotatably connected to the first mounting base 1 through the first worm 3. The first worm wheel 5 is used to drive the trapezoidal lead screw 7 to rotate. The first worm 3 and the first worm wheel 5 have self-locking properties. The first limiting member 6 is rotatably connected to the first mounting base 1 through the first worm wheel 5. The first limiting member 6 is composed of two cylinders with different radii. The first limiting member 6 is used to limit the first worm wheel 5 and the trapezoidal lead screw 7, so that the first worm wheel 5 and the trapezoidal lead screw 7 can only rotate in place.

[0023] Furthermore, the trapezoidal lead screw 7 is rotatably connected to the first mounting base 1 via the first worm gear 5. The trapezoidal lead screw 7 drives the moving block 8 to move the moving base 10 and the face recognition terminal 22 up and down, thereby adjusting the height of the face recognition terminal 22 to adapt to users of different heights and various installation environments, improving the recognition success rate and user experience. The thread helix angle of the trapezoidal lead screw 7 is less than or equal to the equivalent friction angle, and the trapezoidal lead screw 7 has self-locking properties. The moving block 8 is slidably connected to the first mounting base 1 via the trapezoidal lead screw 7. The moving block 8 drives the moving base 10 and the face recognition terminal 22 up and down, thereby adjusting the height of the face recognition terminal 22 to adapt to users of different heights and various installation environments, improving the recognition success rate and user experience. The connecting block 9 is slidably connected to the first mounting base 1 via the moving block 8, and the connecting block 9 is used to connect the moving block 8 and the moving base 10.

[0024] Furthermore, the movable base 10 is slidably connected to the first mounting base 1 via the connecting block 9. The movable base 10 is used to drive the face recognition terminal 22 to move up and down, thereby adjusting the height of the face recognition terminal 22 so that it can adapt to users of different heights and various installation environments, improving the recognition success rate and user experience. The second limiting ring 11 is circular and is used to limit the second worm gear 12, so that the second worm gear 12 can only rotate in place. The second worm gear 12 is rotatably connected to the movable base 10 via the second limiting ring 11, and the second worm gear 12 is used to drive the second worm wheel 14 to rotate.

[0025] Furthermore, the second rotating head 13 is used to facilitate the user to rotate the second worm 12. The second worm wheel 14 is rotatably connected to the moving seat 10 through the second worm 12. The second worm wheel 14 is used to drive the first rotating shaft 16 to rotate. The second worm 12 and the second worm wheel 14 have self-locking properties. The second limiting member 15 is rotatably connected to the moving seat 10 through the second worm wheel 14. The second limiting member 15 is composed of two cylinders with different radii. The second limiting member 15 is used to limit the second worm wheel 14 and the first rotating shaft 16, so that the second worm wheel 14 and the first rotating shaft 16 can only rotate in place.

[0026] Furthermore, the first rotating shaft 16 is rotatably connected to the moving base 10 via the second worm gear 14. The first rotating shaft 16 is used to drive the second mounting base 18 and the face recognition terminal 22 to rotate, thereby adjusting the pitch angle of the face recognition terminal 22 to ensure that the camera can be aimed at the user's face at the best angle, improving the recognition success rate and user experience. The second rotating shaft 17 is composed of two cylinders with different radii and is used to support the second mounting base 18 and the face recognition terminal 22.

[0027] Furthermore, the second mounting base 18 is in two sets and is fixedly connected to the first rotating shaft 16 and the second rotating shaft 17 respectively. The second mounting base 18 is rotatably connected to the movable base 10 through the first rotating shaft 16 and the second rotating shaft 17. The second mounting base 18 is used to install the mounting tenon 21 and the face recognition terminal 22.

[0028] Furthermore, the second magnetic block 20 is movably connected to the first magnetic block 19 and the second mounting base 18. The first magnetic block 19 and the second magnetic block 20 are used to install the mounting tenon 21 and the face recognition terminal 22 on the second mounting base 18, and at the same time realize the detachability of the mounting tenon 21 and the face recognition terminal 22, so as to facilitate the staff to disassemble the face recognition terminal 22 for maintenance and replacement. The mounting tenon 21 is slidably connected to the second magnetic block 20 and the second mounting base 18. The mounting tenons 21 are symmetrically distributed in two sets on both sides of the face recognition terminal 22. The cross section of the mounting tenon 21 is an isosceles trapezoid. The mounting tenon 21 is used to install the face recognition terminal 22 on the second mounting base 18.

[0029] Furthermore, the face recognition terminal 22 is slidably connected to the second mounting base 18 via the mounting tenon 21, and the face recognition terminal 22 is rotatably connected to the second mounting base 18 and the movable base 10. The face recognition terminal 22 is used for face recognition. The face recognition terminal 22 is an existing product and is not considered a technical protection point of this application. Therefore, it will not be described in detail here.

[0030] Working principle: Rotating the second rotating head 13 drives the second worm gear 12 to rotate, which in turn drives the second worm wheel 14 and the first rotating shaft 16 to rotate, thereby driving the second mounting base 18 and the face recognition terminal 22 to rotate. This allows adjustment of the tilt angle of the face recognition terminal 22, ensuring that the camera can be aimed at the user's face at the optimal angle, improving the recognition success rate and user experience. Moreover, the first magnetic block 19 and the second magnetic block 20 enable the detachable mounting tenon 21 and the face recognition terminal 22, making it convenient for staff to disassemble the face recognition terminal 22 for maintenance and replacement.

[0031] Rotating the first rotating head 4 drives the first worm gear 3 to rotate, which in turn drives the first worm wheel 5 and the trapezoidal lead screw 7 to rotate. This drives the moving block 8 to move the moving seat 10 and the face recognition terminal 22 up and down, thereby adjusting the height of the face recognition terminal 22. This allows the face recognition terminal 22 to adapt to users of different heights and various installation environments, improving the recognition success rate and user experience.

[0032] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the invention can be implemented in other specific forms without departing from its spirit or essential characteristics. Therefore, the embodiments should be considered in all respects as exemplary and non-limiting, and the scope of the invention is defined by the appended claims rather than the foregoing description. Thus, all variations falling within the meaning and scope of equivalents of the claims are intended to be included within the present invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. An adjustable-angle identity recognition device, comprising a first mounting base (1), characterized in that: The first mounting base (1) is rotatably connected to a first limiting ring (2). A first worm (3) is fixedly connected to the surface of the first limiting ring (2). A first rotating head (4) is fixedly connected to the surface of the first worm (3). A first worm wheel (5) is meshed with the surface of the first worm (3). A first limiting member (6) is fixedly connected to the lower surface of the first worm wheel (5). A trapezoidal lead screw (7) is fixedly connected to the upper surface of the first worm wheel (5). A moving block (8) is threadedly connected to the surface of the trapezoidal lead screw (7). A connecting block (9) is fixedly connected to the surface of the moving block (8). A moving seat (10) is fixedly connected to the surface of the connecting block (9). A second limiting ring (11) is rotatably connected to the interior of the moving seat (10). A second worm (12) is fixedly connected to the surface of the second limiting ring (11). A second rotating head (13) is fixedly connected to the surface of the second worm (12). A second worm wheel (14) is meshed with the surface of the second worm (12). A second limiting member (15) is fixedly connected to one side of the second worm wheel (14). A first rotating shaft (16) is fixedly connected to the other side of the second worm wheel (14). A second rotating shaft (17) is rotatably connected to the surface of the movable seat (10). A second mounting seat (18) is fixedly connected to the end of the first rotating shaft (16) away from the second worm wheel (14). A first magnetic block (19) is fixedly connected to the inner surface of the second mounting seat (18). A second magnetic block (20) is magnetically connected to the surface of the first magnetic block (19). A mounting tenon (21) is fixedly connected to the surface of the second magnetic block (20). A face recognition terminal (22) is fixedly connected to the surface of the mounting tenon (21).

2. The adjustable-angle identity recognition device according to claim 1, characterized in that: The first limiting ring (2) is circular, and the first worm (3) is rotatably connected to the first mounting base (1) through the first limiting ring (2).

3. The adjustable-angle identity recognition device according to claim 1, characterized in that: The first worm wheel (5) is rotatably connected to the first worm (3) and the first mounting base (1), and the first limiting member (6) is rotatably connected to the first worm wheel (5) and the first mounting base (1). The first limiting member (6) is composed of two cylinders with different radii.

4. The adjustable-angle identity recognition device according to claim 1, characterized in that: The trapezoidal lead screw (7) is rotatably connected to the first worm gear (5) and the first mounting base (1), the moving block (8) is slidably connected to the trapezoidal lead screw (7) and the first mounting base (1), and the connecting block (9) is slidably connected to the moving block (8) and the first mounting base (1).

5. An adjustable-angle identity recognition device according to claim 1, characterized in that: The movable seat (10) is slidably connected to the first mounting seat (1) via the connecting block (9), the second limiting ring (11) is circular, and the second worm (12) is rotatably connected to the movable seat (10) via the second limiting ring (11).

6. The adjustable-angle identity recognition device according to claim 1, characterized in that: The second worm gear (14) is rotatably connected to the moving seat (10) via the second worm (12), and the second limiting member (15) is rotatably connected to the moving seat (10) via the second worm gear (14). The second limiting member (15) is composed of two cylinders with different radii.

7. An adjustable-angle identity recognition device according to claim 1, characterized in that: The first rotating shaft (16) is rotatably connected to the moving seat (10) via the second worm gear (14), and the second rotating shaft (17) is composed of two cylinders with different radii.

8. An adjustable-angle identity recognition device according to claim 1, characterized in that: The second mounting base (18) is in two sets and is fixedly connected to the first rotating shaft (16) and the second rotating shaft (17) respectively. The second mounting base (18) is rotatably connected to the movable base (10) through the first rotating shaft (16) and the second rotating shaft (17).

9. An adjustable-angle identity recognition device according to claim 1, characterized in that: The second magnetic block (20) is movably connected to the first magnetic block (19) and the second mounting base (18). The mounting tenon (21) is slidably connected to the second magnetic block (20) and the second mounting base (18). The mounting tenons (21) are symmetrically distributed in two sets on both sides of the face recognition terminal (22). The cross section of the mounting tenon (21) is an isosceles trapezoid.

10. An adjustable-angle identity recognition device according to claim 1, characterized in that: The face recognition terminal (22) is slidably connected by a mounting tenon (21) and a second mounting base (18), and the face recognition terminal (22) is rotatably connected by the second mounting base (18) and the movable base (10).