CN210781772U

CN210781772U - Non-contact fingerprint card-swiping reading equipment circuit board

Info

Publication number: CN210781772U
Application number: CN201921275016.8U
Authority: CN
Inventors: 严晓华; 顾小龙
Original assignee: Wuxi Wokete Technology Co ltd
Current assignee: Wuxi Wokete Technology Co ltd
Priority date: 2019-08-07
Filing date: 2019-08-07
Publication date: 2020-06-16
Anticipated expiration: 2029-08-07

Abstract

The utility model belongs to the technical field of identification equipment technique and specifically relates to non-contact fingerprint reading equipment circuit board of punching card, including circuit board, mount, turning block and protective frame, circuit board front end face fixedly connected with is the mount that distributes from top to bottom, the mount outside is rotated and is connected with the turning block, the turning block other end outside is rotated and is connected with the protective frame, protective frame right-hand member face fixedly connected with fixed plate, the fixed plate right-hand member face inside fixedly connected with drum, fixed plate right-hand member face fixedly connected with is the limiting plate that distributes from top to bottom, circuit board front end face four corners all sliding connection has the damping screw, the damping screw rear end face fixedly connected with threaded rod; the utility model discloses in, through mount, fan and the filter screen that sets up, can effectively block that outside dust directly falls into the part surface by the protective frame, and the fan can blow the heat dissipation to the part, has fine dustproof and radiating purpose, guarantees the life of circuit board.

Description

Non-contact fingerprint card-swiping reading equipment circuit board

Technical Field

The utility model relates to a reading equipment technical field specifically is non-contact fingerprint identification equipment circuit board of punching card.

Background

The recognition equipment that appears in the existing market has a lot, and the usage is many as uses such as attendance machine, intelligent locker, and what adopt has independent fingerprint recognition, perhaps swipes the card recognition alone, and what adopt moreover is mostly plastic casing, can not satisfy high-demand policeman's supervision needs, carries out the needs that supervision personnel identity gathered and compare, and the most important position of recognition equipment belongs to the circuit board as one.

Along with the function of recognition equipment is more and more complete, part on the circuit board is also more and more, just so caused the heat concentrate difficult giving off easily, and the dust is piled up on the part surface, cause the part life-span to cut short easily, serious can lead to recognition equipment can not normal operating, most circuit boards that have now are all the snap-on housing surface, do not have buffer, it can lead to the screw not hard up to jolt for a long time acutely, the circuit board damages, consequently, it swipes the recognition equipment circuit board to propose non-contact fingerprint to the above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a non-contact fingerprint is punched a card and is discerned reading equipment circuit board to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

non-contact fingerprint is punched card and is read equipment circuit board, including circuit board, mount, stop device, turning block and protective frame, terminal surface fixedly connected with is the mount that distributes from top to bottom before the circuit board, the mount outside is rotated and is connected with the turning block, the turning block other end outside is rotated and is connected with the protective frame, protective frame right-hand member face fixedly connected with fixed plate, the inside fixedly connected with drum of fixed plate right-hand member face, fixed plate right-hand member face fixedly connected with is the limiting plate that distributes from top to bottom, the equal sliding connection in terminal surface four corners has damping screw before the circuit board, damping screw rear end face fixedly connected with threaded rod, the equal sliding connection in the damping screw outside has the sliding pad, the equal fixedly connected with compression spring of terminal surface before the sliding pad, the compression spring other.

Preferably, the inner side of the cylinder is fixedly connected with a fan, the left end face of the cylinder is fixedly connected with a filter screen, and the left end face of the protective frame is provided with a vent hole.

Preferably, the diameter of the rear end face of the threaded rod is 1.3 times that of the rear end face of the damping screw, and the sliding pad is arranged in a circular ring shape.

Preferably, stop device includes spacing, pivot, limit baffle and supporting spring, spacing rear end face and circuit board fixed connection, the inside fixedly connected with pivot of spacing, the pivot outside is rotated and is connected with limit baffle, the equal fixedly connected with supporting spring of limit baffle rear end face, the supporting spring other end and spacing fixed connection.

Preferably, supporting spring is the slope setting, the terminal surface is the arc setting before the limit baffle, the arc setting is personally submitted to limit baffle upper end, is located the top be equipped with the recess directly over the limit baffle.

Compared with the prior art, the beneficial effects of the utility model are that:

1. in the utility model, through the arranged fixing frame, the rotating block, the protecting frame, the fixing plate, the limiting plate, the fan and the filter screen, the protecting frame can effectively prevent external dust from directly falling into the surface of the part, and the fan can radiate heat aiming at the part by rotating, thereby having good dustproof and radiating purposes and ensuring the service life of the circuit board;

2. the utility model discloses in, through spacing, pivot, limit baffle, supporting spring, damping screw, compression spring, slip pad and the threaded rod that sets up, can make limiting plate and stop device break away from through rotating limit baffle when overhauing, conveniently overhauls, and under the effect of compression spring and slip pad, guarantee that the circuit board can slide from top to bottom to a certain extent, have fine absorbing purpose, the circuit board is not fragile, guarantees the normal life of circuit board.

Drawings

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

FIG. 2 is a schematic structural view of the limiting device of the present invention;

FIG. 3 is a schematic view of the structure of the cylinder of the present invention;

FIG. 4 is a schematic view of the filter screen of the present invention;

fig. 5 is a schematic view of the threaded rod of the present invention.

In the figure: 1-circuit board, 2-fixed frame, 3-turning block, 4-protective frame, 5-fixed plate, 6-limit plate, 7-limit device, 701-limit frame, 702-rotating shaft, 703-limit baffle, 704-supporting spring, 8-cylinder, 9-fan, 10-filter screen, 11-damping screw, 12-compression spring, 13-sliding pad and 14-threaded rod.

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 non-contact fingerprint card reading equipment circuit board comprises a circuit board 1, a fixed frame 2, a limiting device 7, a rotating block 3 and a protective frame 4, wherein the fixed frame 2 which is distributed up and down is fixedly connected to the front end face of the circuit board 1, the fixed frame 2 ensures that parts on the surface of the circuit board 1 can not be directly contacted with external dust, and the purposes of dust prevention and heat dissipation are achieved, the rotating block 3 is rotatably connected to the outer side of the fixed frame 2, the protective frame 4 is rotatably connected to the outer side of the other end of the rotating block 3, a fixed plate 5 is fixedly connected to the right end face of the protective frame 4, a cylinder 8 is fixedly connected to the inner part of the right end face of the fixed plate 5, a limiting plate 6 which is distributed up and down is fixedly connected to the right end face of the fixed plate 5, damping screws 11 are slidably connected to four corners of the front end face, the equal fixedly connected with compression spring 12 of terminal surface before the sliding pad 13, the compression spring 12 other end all with circuit board 1 fixed connection, this kind of setting has fine absorbing purpose, prevents acutely to shake and the damage of circuit board 1 that leads to, guarantees its normal life.

The inner side of the cylinder 8 is fixedly connected with a fan 9, the left end face of the cylinder 8 is fixedly connected with a filter screen 10, the left end face of the protective frame 4 is provided with an air vent, the arrangement ensures that air can normally flow and ensures the heat dissipation effect of the air vent, the diameter of the rear end face of the threaded rod 14 is 1.3 times of that of the rear end face of the damping screw 11, the sliding pad 13 is arranged in a ring shape, the arrangement has a good damping purpose, the circuit board 1 is prevented from being damaged due to severe vibration, the service life of the circuit board 1 is ensured, the limiting device 7 comprises a limiting frame 701, a rotating shaft 702, a limiting baffle 703 and a supporting spring 704, the rear end face of the limiting frame 701 is fixedly connected with the circuit board 1, the rotating shaft 702 is fixedly connected inside the limiting frame 701, the limiting baffle is rotatably connected with the outer side of the, the supporting spring 704 other end and spacing frame 701 fixed connection, this kind of setting is convenient to the maintenance of circuit board 1, and it is very convenient to use, supporting spring 704 is the slope setting, the terminal surface is the arc setting before limit baffle 703, limit baffle 703 upper end is personally submitted the arc setting, is located the top be equipped with the recess directly over limit baffle 703, this kind of setting makes limit baffle 703 can not rotate to the spacing frame 701 outside, guarantees the fixed of limiting plate 6, effectively realizes the dustproof purpose of mount 2.

The fan 9 is a 7525M12S fan.

The working process is as follows: when the device is used, a power supply is connected, air can flow through the rotation of the fan 9, the device has a good heat dissipation purpose, the filter screen 10 can filter dust, the dust is ensured not to easily fall onto parts on the surface of the circuit board 1, when the device needs to be overhauled, the limiting baffle 703 is rotated, then the limiting plate 6 slides out of the limiting frame 701, the rotation of the protective frame 4 can be realized under the action of the rotating block 3, the circuit board 1 is convenient to overhaul, the limiting baffle 703 can only slide towards the inner side of the limiting frame 701, the stability of the protective frame 4 is ensured, the groove arranged on the inner side of the limiting frame 701 ensures that the limiting baffle 703 cannot slide out, when the device with the circuit board 1 is installed, the limiting baffle 703 can be pressed downwards to realize the fixing purpose, when the device vibrates during transportation or vibrates per se, under the action of the compression spring 12 and the sliding pad 13, the shock absorption circuit board has the good shock absorption purpose, ensures that the circuit board 1 is not easy to damage although the circuit board 1 shakes up and down, ensures the service life of the circuit board, ensures that the threaded rod 14 is fixed with the shell, ensures that the compression spring 12 and the threaded rod 14 do not interfere with each other, and has good use value.

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. Non-contact fingerprint identification equipment circuit board of punching card, including circuit board (1), mount (2), stop device (7), turning block (3) and protective frame (4), its characterized in that: the front end surface of the circuit board (1) is fixedly connected with a fixed frame (2) which is distributed up and down, the outer side of the fixed frame (2) is rotationally connected with a rotating block (3), the outer side of the other end of the rotating block (3) is rotationally connected with a protective frame (4), the right end face of the protective frame (4) is fixedly connected with a fixed plate (5), the inner part of the right end face of the fixed plate (5) is fixedly connected with a cylinder (8), the right end face of the fixed plate (5) is fixedly connected with limit plates (6) which are distributed up and down, four corners of the front end surface of the circuit board (1) are connected with damping screws (11) in a sliding way, the rear end face of the damping screw (11) is fixedly connected with a threaded rod (14), the outer sides of the damping screw (11) are respectively connected with a sliding pad (13) in a sliding manner, the front end surfaces of the sliding pads (13) are fixedly connected with compression springs (12), the other end of the compression spring (12) is fixedly connected with the circuit board (1).

2. The circuit board of the non-contact fingerprint card reading and recognizing device according to claim 1, wherein: the fan (9) is fixedly connected to the inner side of the cylinder (8), the filter screen (10) is fixedly connected to the left end face of the cylinder (8), and the air vent is formed in the left end face of the protection frame (4).

3. The circuit board of the non-contact fingerprint card reading and recognizing device according to claim 1, wherein: the diameter of the rear end face of the threaded rod (14) is 1.3 times that of the rear end face of the damping screw (11), and the sliding pad (13) is arranged in a circular ring shape.

4. The circuit board of the non-contact fingerprint card reading and recognizing device according to claim 1, wherein: stop device (7) are including spacing (701), pivot (702), limit baffle (703) and supporting spring (704), spacing (701) rear end face and circuit board (1) fixed connection, spacing (701) inside fixedly connected with pivot (702), pivot (702) outside is rotated and is connected with limit baffle (703), equal fixedly connected with supporting spring (704) of limit baffle (703) rear end face, supporting spring (704) other end and spacing (701) fixed connection.

5. The circuit board of the non-contact fingerprint card reading and recognizing device according to claim 4, wherein: the supporting spring (704) is obliquely arranged, the front end face of the limiting baffle (703) is arc-shaped, the upper end face of the limiting baffle (703) is arc-shaped, and a groove is formed right above the limiting baffle (703).