CN216209645U

CN216209645U - Testing device for testing fingerprint chip

Info

Publication number: CN216209645U
Application number: CN202121830523.0U
Authority: CN
Inventors: 李阳明
Original assignee: Individual
Current assignee: Yingpu Scientific Instruments Shanghai Co ltd
Priority date: 2021-08-06
Filing date: 2021-08-06
Publication date: 2022-04-05
Anticipated expiration: 2031-08-06

Abstract

The utility model relates to the technical field of fingerprint chips and discloses a testing device for testing a fingerprint chip, which comprises a shell, wherein two symmetrically-arranged fixed plates are fixedly connected to the inner side wall of the shell, threaded rods are rotatably connected between the inner side wall of the shell and the two fixed plates through ball bearings, one ends of the two threaded rods penetrate through the side wall of each fixed plate and are fixedly connected with driven bevel gears, slide seats are respectively connected to the rod walls of the two threaded rods through threaded meshing, a same supporting plate is fixedly connected between the two slide seats, an extruding mechanism is fixedly connected to the lower end of the supporting plate, a supporting table positioned right below the extruding mechanism is fixedly connected to the inner wall of the bottom end of the shell, a placing plate is fixedly connected to the upper end of the supporting table, and a fingerprint chip body is fixedly connected to the upper end of the placing plate. The utility model improves the test efficiency and the test precision of the equipment, reduces the test error and is convenient for people to use.

Description

Testing device for testing fingerprint chip

Technical Field

The utility model relates to the technical field of fingerprint chips, in particular to a testing device for testing a fingerprint chip.

Background

The fingerprint chip is a chip product embedded with a fingerprint identification technology, can realize image acquisition, feature extraction and feature comparison of fingerprints on a chip, can conveniently realize the function of fingerprint identification by a developer, greatly reduces the threshold of the fingerprint identification industry, and has a very positive promoting effect on the popularization of fingerprint identification.

The existing fingerprint testing device often adopts a plurality of motor drive stripper plates to extrude the fingerprint chip when in use, and often is difficult to keep synchronous motion between a plurality of motors, easily causes the problem of uneven stress when testing the fingerprint chip because of the error, and is inconvenient for people to use.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problem that the strength of a testing device in the prior art is not uniform during extrusion, and provides the testing device for testing a fingerprint chip.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a testing arrangement for testing fingerprint chip, includes the casing, the fixed plate that two symmetries of inside wall fixedly connected with of casing set up, all rotate through ball bearing between the inside wall of casing and two fixed plates and be connected with the threaded rod, two the one end of threaded rod all runs through the lateral wall fixedly connected with driven bevel gear of fixed plate, two the pole wall of threaded rod all is connected with the slide, two through thread engagement between the slide same backup pad of fixedly connected with, the lower extreme fixedly connected with extrusion mechanism of backup pad, the bottom inner wall fixedly connected with of casing is located the brace table under the extrusion mechanism, the board is placed to the upper end fixedly connected with of brace table, place the upper end fixedly connected with fingerprint chip body of board.

Preferably, the extrusion mechanism includes the fixed block of fixed connection at the backup pad lower extreme, extrusion groove and extrusion inslot sliding connection have been seted up to the lower extreme of fixed block have an extrusion pole, the one end fixedly connected with stripper plate of extrusion pole, the lower extreme fixedly connected with extrusion piece of stripper plate, fixedly connected with extrusion spring between extrusion groove tank bottom and the extrusion pole, fixedly connected with cup joints the expanding spring in the extrusion pole wall outside between stripper plate and the fixed block.

Preferably, an opening is formed in the lower end of the supporting table, a motor is fixedly connected in the opening, a driving gear is fixedly connected to an output shaft of the motor, a rotating shaft is rotatably connected to the inside of the bottom end of the shell through a bearing seat, driving bevel gears matched with the driven bevel gears are fixedly connected to two ends of the rotating shaft, and driven gears meshed with the driving gear are fixedly sleeved on the rod walls of the rotating shaft.

Preferably, the four corners of the lower end of the shell are fixedly connected with supporting legs.

Preferably, the inner side wall of the shell is fixedly connected with two limiting rods penetrating through the side wall of the sliding seat.

Compared with the prior art, the utility model provides a testing device for testing a fingerprint chip, which has the following beneficial effects:

the testing device for testing the fingerprint chip comprises a fixed plate, a threaded rod, a limiting rod, a driven bevel gear, a sliding seat, a supporting plate, a fixed block, an extrusion groove, an extrusion rod, an 84 extrusion plate, an extrusion block, an extrusion spring, a telescopic spring, a supporting table, a placing plate, a fingerprint chip body, a motor, a driving gear, a rotating shaft driving bevel gear and a driven gear, wherein when the fingerprint chip body is required to be tested, the motor is started to drive the driving gear to rotate, the rotating shaft is driven to rotate through the engagement between the driving gear and the driven gear, the driving bevel gear is driven to rotate while the rotating shaft rotates, the driven bevel gear and the threaded rod are driven to rotate together through the engagement between the driven bevel gear and the driving bevel gear, the sliding seat is driven to move to a proper position through the engagement between the sliding seat and the threaded rod, then the fingerprint chip body is extruded through the extrusion block, and the pressure is controlled through the extrusion spring and the telescopic spring, the test efficiency and the test precision of the equipment are improved, the test error is reduced, and the use by people is facilitated.

And the part not involved in the device is the same as the prior art or can be realized by adopting the prior art, the utility model improves the test efficiency and the test precision of the equipment, reduces the test error and is convenient for people to use.

Drawings

FIG. 1 is a schematic structural diagram of a testing apparatus for testing a fingerprint chip according to the present invention;

fig. 2 is a schematic structural diagram of a testing apparatus for testing a fingerprint chip according to the present invention.

In the figure: the fingerprint chip comprises a shell 1, a fixing plate 2, a threaded rod 3, a limiting rod 4, a driven bevel gear 5, a sliding seat 6, a supporting plate 7, an extrusion mechanism 8, a fixing block 81, an extrusion groove 82, an extrusion rod 83, an extrusion plate 84, an extrusion block 85, an extrusion spring 86, a telescopic spring 87, a supporting table 9, a placing plate 10, a fingerprint chip body 11, a motor 12, a driving gear 13, a rotating shaft 14, a driving bevel gear 15, a driven gear 16 and a supporting leg 17.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-2, a testing arrangement for testing fingerprint chip, including casing 1, the fixed plate 2 that two symmetries of inside wall fixedly connected with of casing 1 set up, all be connected with threaded rod 3 through ball bearing rotation between the inside wall of casing 1 and two fixed plates 2, the lateral wall fixedly connected with driven bevel gear 5 of fixed plate 4 is all run through to the one end of two threaded rod 3, the pole wall of two threaded rod 3 all is connected with slide 6 through thread engagement, the same backup pad 7 of fixedly connected with between two slide 6, the lower extreme fixedly connected with extrusion mechanism 8 of backup pad 7, the bottom inner wall fixedly connected with of casing 1 is located supporting bench 9 under extrusion mechanism 8, board 10 is placed to the upper end fixedly connected with of supporting bench 9, place the upper end fixedly connected with fingerprint chip body 11 of board 10.

Extrusion mechanism 8 includes fixed block 81 of fixed connection at the backup pad 7 lower extreme, extrusion groove 82 and extrusion inslot 82 sliding connection have been seted up to the lower extreme of fixed block 81, the one end fixedly connected with stripper plate 84 of stripper plate 83, the lower extreme fixedly connected with stripper block 85 of stripper plate 84, fixedly connected with extrusion spring 86 between extrusion groove 82 tank bottom and the stripper plate 83, fixedly connected with cup joints the expanding spring 87 in the stripper plate 83 pole wall outside between stripper plate 84 and fixed block 81, can be convenient for exert pressure to fingerprint chip body 11.

An opening and a motor 12 fixedly connected in the opening are formed in the lower end of the supporting table 9, a driving gear 13 is fixedly connected to an output shaft of the motor 12, a rotating shaft 14 is rotatably connected to the inside of the bottom end of the shell 1 through a bearing seat, a driving bevel gear 15 matched with the driven bevel gear 5 is fixedly connected to two ends of the rotating shaft 14, a driven gear 16 meshed with the driving gear 13 is fixedly sleeved on a rod wall of the rotating shaft 14, and the two threaded rods 3 can be driven to rotate through the motor 12.

All fixedly connected with supporting legs 17 in the lower extreme four corners department of casing 1 can improve equipment's stability.

The inside wall fixedly connected with of casing 1 runs through the gag lever post 18 of slide 6 lateral wall, can prevent the rotation of slide 6.

When the fingerprint chip testing device is used, when the fingerprint chip body 11 needs to be tested, the motor 12 is started to drive the driving gear 13 to rotate, the rotating shaft 14 is driven to rotate through the meshing between the driving gear 13 and the driven gear 16, the driving bevel gear 15 is driven to rotate while the rotating shaft 14 rotates, the driven bevel gear 5 and the threaded rod 3 are driven to rotate together through the meshing between the driven bevel gear 5 and the driving bevel gear 15, the sliding seat 6 is driven to move to a proper position through the meshing between the sliding seat 6 and the threaded rod 3, then the fingerprint chip body 11 is extruded through the extrusion block 85, and the pressure is controlled through the extrusion spring 86 and the expansion spring 87, so that the testing efficiency and the testing precision of the device are improved, the testing error is reduced, and the fingerprint chip testing device is convenient for people to use.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A testing device for testing a fingerprint chip comprises a shell (1) and is characterized in that two fixing plates (2) which are symmetrically arranged are fixedly connected to the inner side wall of the shell (1), threaded rods (3) are rotatably connected between the inner side wall of the shell (1) and the two fixing plates (2) through ball bearings, one ends of the two threaded rods (3) penetrate through the side wall of each fixing plate (2) and are fixedly connected with driven bevel gears (5), slide seats (6) are respectively connected to the rod walls of the two threaded rods (3) through thread meshing, the same supporting plate (7) is fixedly connected between the two slide seats (6), an extrusion mechanism (8) is fixedly connected to the lower end of each supporting plate (7), a supporting table (9) which is positioned right below the extrusion mechanism (8) is fixedly connected to the inner wall of the bottom end of the shell (1), the upper end of the supporting table (9) is fixedly connected with a placing plate (10), and the upper end of the placing plate (10) is fixedly connected with a fingerprint chip body (11).

2. The testing device for testing the fingerprint chip according to claim 1, wherein the extruding mechanism (8) comprises a fixed block (81) fixedly connected to the lower end of the supporting plate (7), an extruding groove (82) is formed in the lower end of the fixed block (81), an extruding rod (83) is slidably connected in the extruding groove (82), an extruding plate (84) is fixedly connected to one end of the extruding rod (83), an extruding block (85) is fixedly connected to the lower end of the extruding plate (84), an extruding spring (86) is fixedly connected between the bottom of the extruding groove (82) and the extruding rod (83), and a telescopic spring (87) sleeved outside the rod wall of the extruding rod (83) is fixedly connected between the extruding plate (84) and the fixed block (81).

3. The testing device for testing the fingerprint chip according to claim 1, wherein the lower end of the supporting platform (9) is provided with an opening, a motor (12) is fixedly connected in the opening, an output shaft of the motor (12) is fixedly connected with a driving gear (13), a rotating shaft (14) is rotatably connected in the bottom end of the housing (1) through a bearing seat, two ends of the rotating shaft (14) are fixedly connected with a driving bevel gear (15) matched with the driven bevel gear (5), and a driven gear (16) meshed with the driving gear (13) is fixedly sleeved on the rod wall of the rotating shaft (14).

4. The testing device for testing the fingerprint chip as recited in claim 1, characterized in that supporting feet (17) are fixedly connected to four corners of the lower end of the housing (1).

5. A testing device for testing a fingerprint chip according to claim 1, wherein two limit rods (4) penetrating through the side wall of the sliding base (6) are fixedly connected to the inner side wall of the housing (1).