CN217880370U

CN217880370U - Fingerprint identification device with clearance structure

Info

Publication number: CN217880370U
Application number: CN202222178334.0U
Authority: CN
Inventors: 孔恩明
Original assignee: Shaanxi Taiwo Cloud Technology Co ltd
Current assignee: Shaanxi Taiwo Cloud Technology Co ltd
Priority date: 2022-08-18
Filing date: 2022-08-18
Publication date: 2022-11-22
Anticipated expiration: 2032-08-18

Abstract

The utility model discloses a fingerprint identification device with clearance structure, including the drain pan, be provided with the joint subassembly on the drain pan, the inside joint of joint subassembly has the clearance subassembly, and the joint subassembly includes the circular slot, and the circular slot is seted up on one side lateral wall of drain pan, is the annular on the inner wall of circular slot and has seted up four triangle spouts, and the interior ratio center department of circular slot inlays and is equipped with the fingerprint board, and the other end of drain pan is corresponding with fixed cover, and the center department of fixed cover has seted up the round hole, the beneficial effects of the utility model are that: promote the arc piece through the spring and move back, the arc piece moves back through the guide through gag lever post and spacing groove and extrudees in the joint groove, and then plugs up the round hole, prevents that the dust from passing through the round hole and then adhering to on the fingerprint board in the round groove, and the arc piece drives the sponge piece simultaneously and cleans the fingerprint board, and then makes the spot on the fingerprint board totally by self-cleaning, and then prevents to cause the influence to subsequent fingerprint identification.

Description

Fingerprint identification device with clearance structure

Technical Field

The utility model relates to a fingerprint identification technical field specifically is a fingerprint identification device with clearance structure.

Background

The fingerprint identification device is a high-tech security product which combines fingerprint collection and matched software thereof and is used for strengthening the encryption degree of a personal computer, and matched application software is used for implementing startup confidentiality, screen protection confidentiality and file and directory confidentiality, and in the occasion needing decryption, a user only needs to put a finger on a fingerprint window.

The existing fingerprint identification device needs not to prevent a user from identifying a finger on a fingerprint window, stains on the finger of the user can be attached to the fingerprint window along with identification, and the materials can block the identification going backwards enough in the morning, so that the fingerprint identification error is easily caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fingerprint identification device with clearance structure to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: a fingerprint identification device with a cleaning structure comprises a bottom shell, wherein a clamping assembly is arranged on the bottom shell, and the cleaning assembly is clamped in the clamping assembly;

the clamping assembly comprises a circular groove, the circular groove is formed in the side wall of one side of the bottom shell, four triangular sliding grooves are formed in the inner wall of the circular groove in an annular mode, a fingerprint plate is embedded in the circular groove at the position closer to the center, the other end of the bottom shell corresponds to the fixed cover, a round hole is formed in the center of the fixed cover, a clamping groove is formed in the inner wall of one side, close to the bottom shell, of the round hole, and four limiting grooves are formed in the inner wall of the clamping groove in an annular mode;

the clearance subassembly includes the triangle slider, four the triangle slider is sliding connection respectively inside four triangle spouts, four the equal fixedly connected with arc piece of the other end of triangle slider, four equal fixedly connected with sponge piece, four on the arc piece is close to one side lateral wall of fingerprint board equal fixedly connected with spring, four on the cambered surface of arc piece the equal fixedly connected with gag lever post of the other end of arc piece, four equal fixedly connected with ejector pad on the arc piece is close to one side lateral wall of round hole.

Preferably, the four triangular sliding grooves correspond to the four limiting grooves, and the four limiting grooves correspond to the four springs.

Preferably, the four limiting rods are respectively inserted into the four limiting grooves.

Preferably, four arc-shaped grooves are formed in the side wall of one side, close to the round hole, of each push block.

Preferably, the side walls of the four arc blocks are attached to each other.

Compared with the prior art, the beneficial effects of the utility model are that: promote the arc piece through the spring and move back, the arc piece moves back through the guide through gag lever post and spacing groove and extrudees in the joint groove, and then plugs up the round hole, prevents that the dust from passing through the round hole and then adhering to on the fingerprint board in the round groove, and the arc piece drives the sponge piece simultaneously and cleans the fingerprint board, and then makes the spot on the fingerprint board totally by self-cleaning, and then prevents to cause the influence to subsequent fingerprint identification.

Drawings

FIG. 1 is an external view of the present invention;

fig. 2 is a schematic view of a split structure of the present invention;

fig. 3 is a schematic view of a split structure of the present invention;

FIG. 4 is a schematic view of the arc block structure of the present invention;

fig. 5 is a schematic view of the triangular sliding groove structure of the present invention.

In the figure: 1. a bottom case; 2. a clamping assembly; 21. a circular groove; 22. a triangular chute; 23. a fingerprint plate; 24. a fixed cover; 25. a circular hole; 26. a clamping groove; 27. a limiting groove; 3. cleaning the assembly; 31. a triangular slider; 32. an arc block; 33. a sponge block; 34. a spring; 35. a limiting rod; 36. and (7) pushing the block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a fingerprint identification device with a cleaning structure comprises a bottom shell 1, wherein a clamping component 2 is arranged on the bottom shell 1, and a cleaning component 3 is clamped in the clamping component 2;

the clamping assembly 2 comprises a circular groove 21, the circular groove 21 is formed in the side wall of one side of the bottom shell 1, four triangular sliding grooves 22 are annularly formed in the inner wall of the circular groove 21, a fingerprint plate 23 is embedded in the center of the inner portion of the circular groove 21, the other end of the bottom shell 1 corresponds to the fixed cover 24, a circular hole 25 is formed in the center of the fixed cover 24, a clamping groove 26 is formed in the inner wall of one side, close to the bottom shell 1, of the circular hole 25, four limiting grooves 27 are annularly formed in the inner wall of the clamping groove 26, the four push blocks 36 are pressed towards the periphery through the cambered surfaces on the push blocks 36 by pressing the push blocks 36, the push blocks 36 push the arc blocks 32 to move, the arc blocks 32 are guided to be unfolded towards the periphery through the triangular sliding blocks 31 and the triangular sliding grooves 22 when moving, the circular hole 25 can correspond to the fingerprint plate 23 when the arc blocks 32 move away, and accordingly a finger can be in contact with the fingerprint plate 23 for identification;

clearance subassembly 3 includes triangle slider 31, four triangle sliders 31 are inside at four triangle spouts 22 sliding connection respectively, four triangle slider 31's the equal fixedly connected with arc piece 32 of the other end, four arc pieces 32 are close to equal fixedly connected with sponge piece 33 on the lateral wall of one side of fingerprint board 23, equal fixedly connected with spring 34 in the cambered surface of four arc pieces 32, the equal fixedly connected with gag lever post 35 of the other end of four arc pieces 32, four arc pieces 32 are close to equal fixedly connected with ejector pad 36 on the lateral wall of one side of round hole 25, promote arc piece 32 to move back through spring 34, arc piece 32 moves back through the guide through gag lever post 35 and spacing groove 27 and pushes in joint groove 26, it cleans fingerprint board 23 to drive sponge piece 33 through arc piece 32, and then make the spot on the fingerprint board 23 clean by automatic clear, and then prevent to cause the influence to subsequent fingerprint identification.

The four triangular sliding grooves 22 correspond to the four limiting grooves 27, and the four limiting grooves 27 correspond to the four springs 34, so that the four arc blocks 32 move according to a fixed track.

The four limit rods 35 are respectively inserted into the four limit grooves 27, and then move under the guidance of the limit rods 35 and the limit grooves 27.

Arc-shaped grooves are formed in the side walls of the four pushing blocks 36 close to the circular hole 25, and the pushing blocks 36 are conveniently pushed through the arc-shaped grooves in the pushing blocks 36.

The side walls of the four arc blocks 32 are mutually attached, so that the four arc blocks 32 are attached in a circle around the arc blocks.

Specifically, use the utility model discloses the time, at first through pressing ejector pad 36, four ejector pads 36 that cambered surface made on the ejector pad 36 are to pressurized all around, ejector pad 36 promotes arc piece 32 and removes, expand to launching all around when removing through triangle slider 31 and triangle spout 22 guide arc piece 32, can make round hole 25 and fingerprint board 23 corresponding when arc piece 32 is putd aside, this can make finger and fingerprint board 23 contact identification, after accomplishing the identification, the finger is extracted from round hole 25, promote arc piece 32 through spring 34 and move back, arc piece 32 moves back through the guide through gag lever post 35 and spacing groove 27 and pushes back in joint groove 26, and then plug up round hole 25, prevent that the dust from passing through round hole 25 and then attached to fingerprint board 23 in the round groove 21, arc piece 32 drives sponge piece 33 and cleans finger board 23 simultaneously, and then make the spot on the fingerprint board 23 cleaned by automatic clear, and then prevent to cause the influence to subsequent fingerprint identification.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or as implying any number of indicated technical features, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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 alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A fingerprint identification device with a cleaning structure comprises a bottom shell (1), wherein a clamping assembly (2) is arranged on the bottom shell (1), and a cleaning assembly (3) is clamped in the clamping assembly (2);

the method is characterized in that: the clamping assembly (2) comprises a circular groove (21), the circular groove (21) is formed in the side wall of one side of the bottom shell (1), four triangular sliding grooves (22) are annularly formed in the inner wall of the circular groove (21), a fingerprint plate (23) is embedded in the circular groove (21) at the position, closer to the center, of the inner wall, the other end of the bottom shell (1) corresponds to the fixing cover (24), a round hole (25) is formed in the center of the fixing cover (24), a clamping groove (26) is formed in the inner wall, close to the bottom shell (1), of the round hole (25), and four limiting grooves (27) are annularly formed in the inner wall of the clamping groove (26);

clearance subassembly (3) are including triangle slider (31), four inside four triangle spout (22), four sliding connection are distinguished in triangle slider (31) the equal fixedly connected with arc piece (32), four of the other end of triangle slider (31) arc piece (32) are close to equal fixedly connected with sponge piece (33), four on one side lateral wall of fingerprint board (23) arc piece (32) equal fixedly connected with spring (34), four in the cambered surface of arc piece (32) the equal fixedly connected with gag lever post (35), four of the other end of arc piece (32) are close to equal fixedly connected with ejector pad (36) on one side lateral wall of round hole (25).

2. A fingerprint recognition device with a cleaning structure as claimed in claim 1, wherein: the four triangular sliding grooves (22) correspond to the four limiting grooves (27), and the four limiting grooves (27) correspond to the four springs (34).

3. A fingerprint recognition device having a cleaning structure as set forth in claim 1, wherein: the four limiting rods (35) are respectively inserted into the four limiting grooves (27).

4. A fingerprint recognition device having a cleaning structure as set forth in claim 1, wherein: arc-shaped grooves are formed in the side wall of one side, close to the round hole (25), of each of the four push blocks (36).

5. A fingerprint recognition device having a cleaning structure as set forth in claim 1, wherein: the side walls of the four arc blocks (32) are mutually attached.