CN213518292U

CN213518292U - Fingerprint acquisition instrument with shielding mechanism

Info

Publication number: CN213518292U
Application number: CN202023023142.XU
Authority: CN
Inventors: 孙明星
Original assignee: Nanjing Yunsi Kaipu Electronic Technology Co ltd
Current assignee: Nanjing Yunsi Kaipu Electronic Technology Co ltd
Priority date: 2020-12-16
Filing date: 2020-12-16
Publication date: 2021-06-22
Anticipated expiration: 2030-12-16

Abstract

The utility model relates to the technical field of information acquisition, and discloses a fingerprint acquisition instrument with a shielding mechanism, which comprises a shell, a fingerprint collector is embedded in the surface of the shell, a U-shaped frame is bolted at the top of the shell, the fingerprint collector is positioned in the U-shaped frame, two chutes are formed in the inner wall of the U-shaped frame, sliders are slidably connected in the chutes, a baffle is bolted between the two sliders and is slidably connected with the inner wall of the U-shaped frame, two fixing heads are embedded in the inner wall of the U-shaped frame, a first spring is arranged between the fixing heads and the inner wall of the U-shaped frame, fixing grooves are formed in both sides of the baffle, and the fixing grooves are clamped with the fixing heads; the utility model discloses an utilize baffle cooperation fixed head to carry out spacing fixed mode to the baffle, can reach and carry out dirt-proof purpose to gathering the mouth, improved the precision of gathering and the success rate of gathering to acquisition efficiency has been improved.

Description

Fingerprint acquisition instrument with shielding mechanism

Technical Field

The utility model relates to an information acquisition technical field specifically is a fingerprint collection appearance with shelter from mechanism.

Background

The fingerprint collector is a precise electronic instrument for identifying the identity by utilizing different characteristics of human fingerprints, and the working principle comprises four functions of collecting fingerprint images, extracting fingerprint characteristics, storing data and comparing the fingerprints, wherein the fingerprint image reading is the most important function of the fingerprint collector. By imaging with uneven patterns of a finger fingerprint, we generally refer to the raised patterns as "ridges" and the depressed pattern formation as "valleys", and the process of fingerprint acquisition is essentially that of fingerprint imaging. The principle is that different optical or current resistance feedback signals are obtained according to the difference of the geometrical characteristics, the physical characteristics and the biological characteristics of ridges and valleys, a fingerprint image is drawn by using image processing algorithms of different algorithms according to the magnitude of the feedback signals, and then fingerprint characteristics are extracted and fingerprint characteristic codes are compared on the basis of the fingerprint image through fingerprint identification algorithm software.

Present fingerprint sampler can not prevent dust to gathering the mouth, and at the in-process that the collector was placed, the dust can fall on the glass of collector, causes and gathers the precision not enough, gathers the result of failure, also can not be according to the length of the position control power cord of device when using, and power cord length is fixed, leads to the distance too near, and the power cord is in disorder, influences indoor clean and tidy, in order to solve above-mentioned existing problem, we provide a fingerprint collection appearance with sheltering from the mechanism.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fingerprint collection appearance with shelter from mechanism, possess and to gather the mouth dustproof and can be according to the advantage of the length of the position control power cord of device when using, current fingerprint collection ware has been solved, can not prevent dust to gathering the mouth, at the in-process that the collector was placed, the dust can fall on the glass of collector, cause the collection precision not enough, gather the result of failure, also can not be according to the length of the position control power cord of device when using, power cord length is fixed, lead to the distance too near, the power cord is in disorder, influence indoor clean and tidy problem.

In order to achieve the above object, the utility model provides a following technical scheme: a fingerprint acquisition instrument with a shielding mechanism comprises a shell, wherein a fingerprint collector is embedded in the surface of the shell, a U-shaped frame is bolted at the top of the shell, the fingerprint collector is positioned inside the U-shaped frame, two sliding grooves are formed in the inner wall of the U-shaped frame, sliding blocks are connected in the sliding grooves in a sliding manner, a baffle is bolted between the two sliding blocks and is connected with the inner wall of the U-shaped frame in a sliding manner, two fixing heads are embedded in the inner wall of the U-shaped frame, a first spring is arranged between each fixing head and the inner wall of the U-shaped frame, fixing grooves are formed in the two sides of each baffle and are clamped with the fixing heads, a partition plate is bolted on the inner wall of the shell, four damping mechanisms are arranged at the top of the partition plate, a main plate is bolted at the top of each damping mechanism, a fixing rod is bolted between each partition plate and the inner wall of the shell, a, be provided with stop gear between the inner wall of carousel and casing, the surface of dead lever has cup jointed the winding drum through the bearing rotation, and the winding drum is located the bottom of carousel, be provided with two coil springs between winding drum and the dead lever, the surface bolt of winding drum has connect the power cord, and the other end of power cord extends to the outside of casing.

Preferably, the damping mechanism comprises a fixed cylinder, the bottom of the fixed cylinder is bolted to the top of the partition plate, a telescopic rod is connected to the inside of the fixed cylinder in a sliding manner, the top of the telescopic rod is bolted to the bottom of the main board, and a second spring is arranged between the telescopic rod and the inner wall of the fixed cylinder.

Preferably, stop gear includes the gag lever post, the surface of gag lever post slides with the inner wall of casing and cup joints, the fixed cover in surface of gag lever post has connect the limiting plate, be provided with the third spring between the inner wall of limiting plate and casing, the surface of carousel is provided with a plurality of spacing groove, and spacing groove and gag lever post joint.

Preferably, the surface of the shell is provided with a plurality of heat dissipation holes.

Preferably, the surface of the baffle is bolted with a push bar.

Preferably, four rubber pads are bolted to the bottom of the shell.

Compared with the prior art, the utility model provides a fingerprint collection appearance with shelter from mechanism possesses following beneficial effect:

1. the utility model discloses an utilize baffle cooperation fixed head to carry out spacing fixed mode to the baffle, can reach and carry out dirt-proof purpose to gathering the mouth, improved the precision of gathering and the success rate of gathering to acquisition efficiency has been improved.

2. The utility model discloses a coil spring drives a rolling section of thick bamboo and rotates, and a rolling section of thick bamboo carries out the mode that receive and releases to the power cord, can reach the purpose that can be according to the length of the position control power cord of device when using, has increased the practicality of device, has guaranteed indoor clean and tidy.

Drawings

FIG. 1 is a sectional view of the structure of the present invention;

FIG. 2 is a top view of the present invention;

FIG. 3 is a sectional view of the present invention;

FIG. 4 is a perspective view of the present invention;

FIG. 5 is an enlarged view of the structure A of FIG. 1 according to the present invention;

FIG. 6 is an enlarged view of the structure B in FIG. 1 according to the present invention;

fig. 7 is an enlarged view of the structure at C in fig. 2 according to the present invention.

In the figure: 1. a housing; 2. a fingerprint collector; 3. a U-shaped frame; 4. a chute; 5. a slider; 6. a baffle plate; 7. a fixed head; 8. a first spring; 9. fixing grooves; 10. a partition plate; 11. a damping mechanism; 12. a main board; 13. fixing the rod; 14. a turntable; 15. a limiting mechanism; 16. winding the roll; 17. a coil spring; 18. a power line; 19. heat dissipation holes; 20. pushing the strips; 21. a rubber pad; 111. a fixed cylinder; 112. a telescopic rod; 113. a second spring; 151. a limiting rod; 152. a limiting plate; 153. a third spring; 154. a limiting groove.

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. 1-7, a fingerprint collecting apparatus with a shielding mechanism comprises a housing 1, a fingerprint collector 2 is embedded in the surface of the housing 1, a U-shaped frame 3 is bolted on the top of the housing 1, the fingerprint collector 2 is located inside the U-shaped frame 3, two sliding chutes 4 are formed in the inner wall of the U-shaped frame 3, sliding blocks 5 are slidably connected inside the sliding chutes 4, a baffle 6 is bolted between the two sliding blocks 5, the baffle 6 is slidably connected with the inner wall of the U-shaped frame 3, two fixing heads 7 are embedded in the inner wall of the U-shaped frame 3, a first spring 8 is arranged between the fixing heads 7 and the inner wall of the U-shaped frame 3, fixing grooves 9 are formed in both sides of the baffle 6, the fixing grooves 9 are clamped with the fixing heads 7, a partition plate 10 is bolted on the inner wall of the housing 1, four damping mechanisms 11 are arranged on the top of the partition plate 10, a main plate 12 is bolted on the top of the damping mechanisms 11, and a fixing, the surface of the fixed rod 13 is fixedly sleeved with a turntable 14, a limiting mechanism 15 is arranged between the turntable 14 and the inner wall of the shell 1, the surface of the fixed rod 13 is rotatably sleeved with a winding drum 16 through a bearing, the winding drum 16 is positioned at the bottom of the turntable 14, two coil springs 17 are arranged between the winding drum 16 and the fixed rod 13, a power line 18 is bolted on the surface of the winding drum 16, the other end of the power line 18 extends to the outside of the shell 1, the purpose of preventing dust at a collection port can be achieved by utilizing the baffle 6 to cooperate with the fixing head 7 to carry out limiting and fixing on the baffle 6, the collection accuracy and the collection success rate are improved, the collection efficiency is improved, the winding drum 16 is driven to rotate by the coil springs 17, the winding drum 16 carries out winding and unwinding on the power line 18, the purpose of adjusting the length of the power line 18 according to the position of the device when in use can be, ensuring the cleanness in the room.

Further, damper 11 includes a fixed section of thick bamboo 111, the bottom of a fixed section of thick bamboo 111 and the top bolt of baffle 10, the inside sliding connection of a fixed section of thick bamboo 111 has telescopic link 112, and the top of telescopic link 112 and the bottom bolt of mainboard 12, be provided with second spring 113 between the inner wall of telescopic link 112 and a fixed section of thick bamboo 111, through setting up damper 11, reduce the external world and rock the influence to the inside electronic components of device, guarantee the steady work of device.

Further, stop gear 15 includes gag lever post 151, the surface of gag lever post 151 and the inner wall of casing 1 slip and cup joint, limiting plate 152 has been cup jointed to the fixed surface of gag lever post 151, be provided with third spring 153 between limiting plate 152 and the inner wall of casing 1, the surface of carousel 14 is provided with a plurality of spacing groove 154, and spacing groove 154 and gag lever post 151 joint, through setting up stop gear 15, it is spacing to carousel 14, when making to receive and release suitable length, it does not rotate to receive reel 16, keep the length of power cord 18.

Furthermore, a plurality of heat dissipation holes 19 are formed in the surface of the casing 1, and the heat generated by electronic components inside the device is dissipated through the heat dissipation holes 19, so that the stability of the device is ensured.

Further, the surface of baffle 6 has been bolted and has been pushed away strip 20, pushes away strip 20 through the setting, is convenient for open baffle 6, improves collection efficiency.

Furthermore, four rubber pads 21 are bolted to the bottom of the shell 1, and the rubber pads 21 are arranged, so that the device cannot slide off when being placed, and the safety of the device is ensured.

During the use, during the collection, remove and push away strip 20, it removes and drives baffle 6 and remove along spout 4 to push away strip 20, make the collection mouth expose, then gather the fingerprint, gather the completion, promote and push away strip 20, it drives baffle 6 and removes to push away strip 20, when baffle 6 removes the position to fixed head 7, fixed head 7 and fixed slot 9 joint, thereby reach the dirt-proof purpose to the collection mouth, fix the device in suitable position back, pulling gag lever post 151, make gag lever post 151 and spacing groove 154 break away from the joint, then pulling power cord 18, power cord 18 drives the rotation of take-up section of thick bamboo 16, take-up section of thick bamboo 16 rotates, make coil spring 17 tighten up, after the length that draws out satisfies the length that needs, loosen gag lever post 151, gag lever post 151 and the spacing groove 154 joint on the carousel 14, thereby reach the purpose of being convenient for adjusting power cord 18 length.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that 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 collection appearance with shelter from mechanism, includes casing (1), its characterized in that: the fingerprint collector (2) is embedded in the surface of the shell (1), the top of the shell (1) is bolted with a U-shaped frame (3), the fingerprint collector (2) is located inside the U-shaped frame (3), two sliding grooves (4) are formed in the inner wall of the U-shaped frame (3), sliding blocks (5) are connected inside the sliding grooves (4) in a sliding mode, a baffle (6) is bolted between the sliding blocks (5), the baffle (6) is connected with the inner wall of the U-shaped frame (3) in a sliding mode, two fixing heads (7) are embedded in the inner wall of the U-shaped frame (3), a first spring (8) is arranged between the fixing heads (7) and the inner wall of the U-shaped frame (3), fixing grooves (9) are formed in the two sides of the baffle (6), the fixing grooves (9) are connected with the fixing heads (7) in a clamping mode, and a partition plate (10) is bolted on the inner wall of the shell, the top of baffle (10) is provided with four damper (11), main board (12) have been bolted to the top of damper (11), the bolt has dead lever (13) between baffle (10) and casing (1) inner wall, the fixed surface of dead lever (13) has cup jointed carousel (14), be provided with stop gear (15) between the inner wall of carousel (14) and casing (1), the surface of dead lever (13) rotates through the bearing and has cup jointed receipts reel (16), and receives reel (16) and be located the bottom of carousel (14), be provided with two coil springs (17) between receipts reel (16) and dead lever (13), the surface bolt of receipts reel (16) has been cup jointed power cord (18), and the other end of power cord (18) extends to the outside of casing (1).

2. The fingerprint acquisition instrument with the shielding mechanism according to claim 1, wherein: the damping mechanism (11) comprises a fixed cylinder (111), the bottom of the fixed cylinder (111) is bolted to the top of the partition plate (10), an expansion rod (112) is connected to the inside of the fixed cylinder (111) in a sliding mode, the top of the expansion rod (112) is bolted to the bottom of the main plate (12), and a second spring (113) is arranged between the expansion rod (112) and the inner wall of the fixed cylinder (111).

3. The fingerprint acquisition instrument with the shielding mechanism according to claim 1, wherein: stop gear (15) include gag lever post (151), the surface of gag lever post (151) slides with the inner wall of casing (1) and cup joints, limiting plate (152) have been cup jointed to the fixed surface of gag lever post (151), be provided with third spring (153) between the inner wall of limiting plate (152) and casing (1), the surface of carousel (14) is provided with a plurality of spacing groove (154), and spacing groove (154) and gag lever post (151) joint.

4. The fingerprint acquisition instrument with the shielding mechanism according to claim 1, wherein: the surface of the shell (1) is provided with a plurality of heat dissipation holes (19).

5. The fingerprint acquisition instrument with the shielding mechanism according to claim 1, wherein: the surface of the baffle (6) is bolted with a push bar (20).

6. The fingerprint acquisition instrument with the shielding mechanism according to claim 1, wherein: the bottom of the shell (1) is bolted with four rubber pads (21).