CN214852219U

CN214852219U - Science and technology project data distributed management system

Info

Publication number: CN214852219U
Application number: CN202121242309.3U
Authority: CN
Inventors: 吴婷
Original assignee: Nanjing Yundian Yijia Network Technology Co ltd
Current assignee: Nanjing Yundian Yijia Network Technology Co ltd
Priority date: 2021-06-03
Filing date: 2021-06-03
Publication date: 2021-11-23
Anticipated expiration: 2031-06-03

Abstract

The utility model discloses a scientific and technological project data distributed management system, including fingerprint identification appearance body, the top of fingerprint identification appearance body is equipped with the protection casing, and the front side of protection casing is the open design, the position that the protection casing top is close to the front side runs through and has seted up the touch hole, and the front side and the protection casing front side intercommunication in touch hole, the inside erasing device that is equipped with of protection casing, erasing device includes the fixed plate. The utility model discloses a be equipped with rubber and scrape the strip, after the fingerprint has been discerned, press the pull rod downwards, make rubber scrape the strip gradually with fingerprint identification appearance body contact, when the bottom of second gyro wheel and spout bottom cell wall contact, spur the pull rod forward, at this moment, rubber scrapes the strip and scrapes from fingerprint identification appearance body top under the drive of clamp plate to will remain and strike off at the fingerprint on fingerprint identification appearance body surface, and then when guaranteeing information safety, the efficiency of fingerprint identification appearance body identification fingerprint has been guaranteed.

Description

Science and technology project data distributed management system

Technical Field

The utility model belongs to the technical field of data distributed management system, in particular to scientific and technological project data distributed management system.

Background

A distributed database management system is a set of software systems responsible for managing access, consistency and completeness of logically integrated data in a distributed environment, and must also have the distributed management characteristics of computer network communication protocols in the management mechanism due to the distribution of data.

Present distributed database management system generally includes the front end RFID card reader that is connected with the front end input PC terminal, intelligent surveillance camera head, equipment such as video monitoring server and front end router, simultaneously because the science and technology project has certain confidentiality, consequently this system still is equipped with front end fingerprint identification appearance and front end data encryption module, but current fingerprint identification appearance does not have the fingerprint and erases the device, the fingerprint can remain on the fingerprint identification appearance after using, this aspect can have certain information safety hidden danger, the fingerprint that the other party remained on the fingerprint identification appearance can also influence the recognition speed of fingerprint identification appearance, influence work efficiency.

Therefore, it is necessary to provide a distributed management system for scientific project data to solve the above problems.

SUMMERY OF THE UTILITY MODEL

To the above problem, the utility model provides a science and technology project data distributed management system to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a scientific and technological project data distributed management system comprises a fingerprint identification instrument body, wherein a protective cover is arranged at the top of the fingerprint identification instrument body, the front side of the protective cover is of an open design, a touch hole is formed in the position, close to the front side, of the top of the protective cover in a penetrating mode, the front side of the touch hole is communicated with the front side of the protective cover, an erasing device is arranged inside the protective cover and comprises a fixed plate, two baffles are fixedly connected to the bottom of the fixed plate, a movable plate is hinged between the two baffles through a torsion spring, a stop lever is arranged on the rear side of the movable plate, two ends of the stop lever are fixedly connected with the two baffles respectively, a pressing plate is horizontally hinged to the bottom of the movable plate, a telescopic rod is hinged between the top of the pressing plate and the rear side of the movable plate, a first spring is sleeved on the telescopic rod, and a plurality of rubber scraping strips are fixedly connected to the bottom of the pressing plate; the fixed plate both ends correspond all seted up the spout on the protection casing inner wall, be equipped with the slider in the spout, and the slider is located the fixed plate front side, the slider front side has linked firmly the second spring, and one side that two baffles kept away from all is equipped with the lifting device, the top of protection casing is equipped with the pull rod, and has linked firmly the connecting rod between pull rod and the fixed plate.

Further, the lifting device comprises a sleeve, the top of the sleeve is fixedly connected with the fixed plate, the bottom of the sleeve is slidably inserted with a supporting leg, the top of the supporting leg is fixedly connected with a third spring, and a first roller is mounted at the bottom of the supporting leg.

Further, the second gyro wheel is all installed at the both ends of fixed plate, the diameter of second gyro wheel is less than the height of spout, and when the top of second gyro wheel and the contact of spout top, the distance of second gyro wheel bottom to spout bottom is greater than the distance of clamp plate bottom to fingerprint identification appearance body top.

Further, the third spring can keep a fully extended state under the condition that the third spring is not pressed by external force, and the maximum deformation amount of the third spring is larger than the distance from the bottom of the second roller to the bottom of the sliding chute.

Furthermore, the length of the pull rod is larger than the width of the touch hole, and the distance from the bottom of the pull rod to the top of the protective cover is larger than the distance from the bottom of the second roller to the bottom of the sliding groove.

Furthermore, an included angle between the rear side of the movable plate and the pressing plate is always an acute angle, and the width of the movable plate is larger than that of the touch hole.

The utility model discloses a technological effect and advantage:

1. the utility model discloses a be equipped with the rubber and scrape the strip, after fingerprint identification appearance body discerned the fingerprint, press the pull rod downwards, make the rubber scrape the strip gradually with fingerprint identification appearance body contact, when the bottom of second gyro wheel and spout bottom cell wall contact, pulling the pull rod forward, at this moment, the rubber scrapes the strip and scrapes from fingerprint identification appearance body top under the drive of clamp plate to strike off the fingerprint that remains on fingerprint identification appearance body surface, and then when guaranteeing information safety, guaranteed the efficiency of fingerprint identification appearance body discernment fingerprint;

2. the utility model discloses a be equipped with the lifting device, after the fingerprint at fingerprint identification appearance body top is struck off, loosen the pull rod, the fixed plate is at first spring this moment, upward movement under third spring and torque spring's combined action, thereby make the clamp plate under the drive of fixed plate and fly leaf, make rubber scrape strip and fingerprint identification appearance body top separation, meanwhile, the fixed plate resumes the normal position along the spout under the effect of second spring, and then avoided rubber to scrape the strip and scratch at the in-process that resumes the normal position and fingerprint identification appearance body top.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and drawings.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a main surface sectional view of the present invention;

fig. 2 is a side sectional view of the present invention;

fig. 3 is an enlarged view of a portion a of fig. 2 according to the present invention;

fig. 4 is a plan view of the present invention.

In the figure: 1. a fingerprint recognizer body; 2. a protective cover; 3. a touch hole; 4. an erasing device; 41. a fixing plate; 42. a baffle plate; 43. a movable plate; 44. a stop lever; 45. pressing a plate; 46. a telescopic rod; 47. a first spring; 48. a rubber scraping strip; 5. a chute; 6. a slider; 7. a second spring; 8. a lifting device; 81. a sleeve; 82. supporting legs; 83. a third spring; 84. a first roller; 9. a pull rod; 10. a second roller.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention are 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 some, but not all, embodiments of the present invention. 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.

The utility model provides a scientific and technical project data distributed management system as shown in figures 1-4, which comprises a fingerprint identification device body 1, wherein a protective cover 2 is arranged on the top of the fingerprint identification device body 1, the front side of the protective cover 2 is of an open design, a touch hole 3 is arranged on the top of the protective cover 2 near the front side in a penetrating way, the front side of the touch hole 3 is communicated with the front side of the protective cover 2, an erasing device 4 is arranged inside the protective cover 2, the erasing device 4 comprises a fixed plate 41, two baffles 42 are fixedly connected to the bottom of the fixed plate 41, a movable plate 43 is hinged between the two baffles 42 through a torsion spring, a stop lever 44 is arranged on the rear side of the movable plate 43, two ends of the stop lever 44 are fixedly connected with the two baffles 42 respectively, a pressing plate 45 is horizontally hinged to the bottom of the movable plate 43, a telescopic rod 46 is hinged between the top of the pressing plate 45 and the rear side of the movable plate 43, a first spring 47 is sleeved on the telescopic rod 46, and a plurality of rubber scraping strips 48 are fixedly connected to the bottom of the pressing plate 45; fixed plate 41 both ends correspond all seted up spout 5 on the 2 inner walls of protection casing, be equipped with slider 6 in the spout 5, and slider 6 is located fixed plate 41 front side, slider 6 front side has linked firmly second spring 7, and one side that two baffles 42 kept away from mutually all is equipped with lifting device 8, the top of protection casing 2 is equipped with pull rod 9, and has linked firmly the connecting rod between pull rod 9 and fixed plate 41.

As shown in fig. 2 and 3, the lifting device 8 includes a sleeve 81, a top of the sleeve 81 is fixedly connected to the fixing plate 41, a support leg 82 is slidably inserted into a bottom of the sleeve 81, a top of the support leg 82 is fixedly connected to a third spring 83, and a bottom of the support leg 82 is provided with a first roller 84.

As shown in fig. 1 and 2, the two ends of the fixing plate 41 are both provided with the second roller 10, the diameter of the second roller 10 is smaller than the height of the sliding chute 5, and when the top of the second roller 10 contacts the top of the sliding chute 5, the distance from the bottom of the second roller 10 to the bottom of the sliding chute 5 is greater than the distance from the bottom of the pressing plate 45 to the top of the fingerprint identification device body 1; the second roller 10 can reduce the friction between the fixing plate 41 and the sliding chute 5 when the fixing rod moves along the sliding chute 5.

As shown in fig. 1 and 2, the third spring 83 can keep a fully extended state without being pressed by an external force, and the maximum deformation amount of the third spring 83 is larger than the distance from the bottom of the second roller 10 to the bottom of the chute 5; when the third spring 83 does not receive external force, the top of the second roller 10 can be tightly attached to the top groove wall of the sliding groove 5, and when the third spring 83 receives a certain pressure, the second roller 10 can be attached to the bottom groove wall of the sliding groove 5.

As shown in fig. 1 and 2, the length of the pull rod 9 is greater than the width of the touch hole 3, and the distance from the bottom of the pull rod 9 to the top of the shield 2 is greater than the distance from the bottom of the second roller 10 to the bottom of the chute 5; when the pull rod 9 is pressed and pulled, the pull rod 9 can make the second roller 10 roll against the bottom of the sliding chute 5 by pressing the fixing plate 41, and meanwhile, the bottom of the pull rod 9 is not blocked by the protective cover 2.

As shown in fig. 1, an included angle between the rear side of the movable plate 43 and the pressing plate 45 is always an acute angle, and the width of the movable plate 43 is greater than the width of the touch hole 3; when the movable plate 43 is pressed, the movable plate 43 can always incline forwards and push the pressing plate 45 to slide along the top of the fingerprint identification device body 1, so that the fingerprint of the top of the fingerprint identification device body 1 corresponding to the touch hole 3 is scraped.

The working principle is as follows: after the fingerprint identification instrument body 1 identifies a fingerprint, the pull rod 9 is pressed downwards, the fixed plate 41 drives the second roller 10 to move downwards under the action of pressure, in the process, the supporting leg 82 begins to compress the third spring 83 and contracts towards the sleeve 81 due to the pressure, when the rubber scraping strip 48 is contacted with the fingerprint identification instrument body 1, the pull rod 9 is continuously pressed, at the moment, the pressure plate 45 is blocked by the fingerprint identification instrument body 1, the distance between the pressure plate 45 and the fixed plate 41 is reduced, the movable plate 43 begins to deflect downwards due to the pressure, so that the telescopic rod 46 and the first spring 47 begin to contract, the first spring 47 compresses the pressure plate 45 on the top of the fingerprint identification instrument body 1 due to the reaction force, when the bottom of the second roller 10 is contacted with the bottom groove wall of the sliding groove 5, the pull rod 9 is pulled forwards, at the moment, the rubber scraping strip 48 scrapes the top of the fingerprint identification instrument body 1 under the drive of the pressure plate 45, therefore, the fingerprints remained on the surface of the fingerprint identification instrument body 1 are scraped, and the efficiency of identifying the fingerprints by the fingerprint identification instrument body 1 is ensured while the information safety is ensured;

in the process of scraping along fingerprint identification appearance body 1 top at rubber scraping bar 48, second spring 7 is because the extrusion of fixed plate 41 begins to shrink, after the fingerprint at fingerprint identification appearance body 1 top is scraped, loosen pull rod 9, fixed plate 41 is at first spring 47 this moment, upward movement under third spring 83 and torsion spring's combined action, thereby make clamp plate 45 under the drive of fixed plate 41 and fly leaf 43, make rubber scraping bar 48 and the separation of fingerprint identification appearance body 1 top, meanwhile, fixed plate 41 resumes the normal position along spout 5 under the effect of second spring 7, and then avoided scraping bar 48 and the scraping of fingerprint identification appearance body 1 top at the in-process that resumes the normal position.

Although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides a science and technology project data distributed management system, includes fingerprint identification appearance body (1), its characterized in that: the fingerprint identification instrument comprises a fingerprint identification instrument body (1), a protective cover (2) is arranged at the top of the fingerprint identification instrument body (1), the front side of the protective cover (2) is designed to be an opening, a position, close to the front side, of the top of the protective cover (2) is penetrated through and provided with a touch hole (3), the front side of the touch hole (3) is communicated with the front side of the protective cover (2), an erasing device (4) is arranged inside the protective cover (2), the erasing device (4) comprises a fixed plate (41), the bottom of the fixed plate (41) is fixedly connected with two baffles (42), a movable plate (43) is hinged between the two baffles (42) through a torsion spring, a stop lever (44) is arranged at the rear side of the movable plate (43), two ends of the stop lever (44) are fixedly connected with the two baffles (42) respectively, a pressing plate (45) is hinged to the bottom of the movable plate (43) horizontally, and a telescopic rod (46) is hinged between the top of the pressing plate (45) and the rear side of the movable plate (43), a first spring (47) is sleeved on the telescopic rod (46), and the bottom of the pressing plate (45) is fixedly connected with a plurality of rubber scraping strips (48); fixed plate (41) both ends correspond spout (5) have all been seted up on protection casing (2) inner wall, be equipped with slider (6) in spout (5), and slider (6) are located fixed plate (41) front side, slider (6) front side has linked firmly second spring (7), and one side that two baffles (42) separated from each other all is equipped with lifting device (8), the top of protection casing (2) is equipped with pull rod (9), and has linked firmly the connecting rod between pull rod (9) and fixed plate (41).

2. A distributed management system for scientific project data according to claim 1, wherein: the lifting device (8) comprises a sleeve (81), the top of the sleeve (81) is fixedly connected with the fixing plate (41), the bottom of the sleeve (81) is slidably inserted with a supporting leg (82), the top of the supporting leg (82) is fixedly connected with a third spring (83), and a first roller (84) is installed at the bottom of the supporting leg (82).

3. A distributed management system for scientific project data according to claim 2, wherein: second gyro wheel (10) are all installed at the both ends of fixed plate (41), the diameter of second gyro wheel (10) is less than the height of spout (5), and when the top of second gyro wheel (10) and spout (5) top contact, the distance of second gyro wheel (10) bottom to spout (5) bottom is greater than the distance of clamp plate (45) bottom to fingerprint identification appearance body (1) top.

4. A distributed management system for scientific project data according to claim 3, wherein: the third spring (83) can keep a fully extended state under the condition of not being pressed by external force, and the maximum deformation amount of the third spring (83) is larger than the distance from the bottom of the second roller (10) to the bottom of the sliding chute (5).

5. A distributed management system for scientific project data according to claim 4, wherein: the length of the pull rod (9) is larger than the width of the touch hole (3), and the distance from the bottom of the pull rod (9) to the top of the protective cover (2) is larger than the distance from the bottom of the second roller (10) to the bottom of the sliding groove (5).

6. A distributed management system for scientific project data according to claim 5, wherein: an included angle between the rear side of the movable plate (43) and the pressing plate (45) is always an acute angle, and the width of the movable plate (43) is larger than that of the touch hole (3).