阅读说明：本技术 电子信息查询装置 (Electronic information inquiry device ) 是由 宋蕊 姚鹏 毕利衡 闫治宇 于 2020-04-30 设计创作，主要内容包括：本发明涉及电子信息查询装置,通过上支杆和下支杆与翻转台的配合,使得翻转台进行收起和工作的转位,在进行转位的过程中,经第一齿轮和第二齿轮的配合驱动操作键盘进行转位,使其在翻转台收起时处于禁用状态,工作时处于可使用状态,同时通过蜗轮蜗杆的传动以及锥齿轮组的传动驱动透明保护板对触摸式显示屏进行保护,以及打开遮挡板使使用者可以进行指纹识别,启动二级安全防护装置,在启动前通过翻转台的转位将拨杆的转轴进行解锁,利用单向驱动装置驱动随机选取装置随机在多分度转盘中随机选取USB插口进行数据连接,本发明安全防护性能高,节省空间,避免了非操作人员的恶意破坏及使用,结构巧妙,设计环环相扣,实用性强,适合推广使用。(The invention relates to an electronic information inquiry device, which is characterized in that an upper support rod, a lower support rod and a turnover table are matched to ensure that the turnover table is folded and turned for work, an operation keyboard is driven to be turned through the matching of a first gear and a second gear in the process of turning, the turnover table is in a forbidden state when being folded, the turnover table is in a usable state when being worked, a transparent protective plate is driven to protect a touch display screen through the transmission of a worm gear and a transmission of a bevel gear set, a user can carry out fingerprint identification by opening the protective plate, a secondary safety protection device is started, a rotating shaft of a deflector rod is unlocked through the turning of the turnover table before being started, and a random selection device is driven by a one-way driving device to randomly select a USB socket in a multi-index rotary disc for data connection, so that the electronic information inquiry device has high safety protection performance, saves space and avoids the malicious damage and use of non-operators, the structure is ingenious, the design rings are buckled, the practicability is high, and the novel electric heating cooker is suitable for popularization and use.)

1. An electronic information inquiry device comprises an inquiry table (1), wherein a master control unit is arranged in the inquiry table (1), the master control unit is electrically connected with a controller, the inquiry table (1) is of a hollow shell structure, the upper end of the inquiry table (1) is connected with a touch display screen (2), the electronic information inquiry device is characterized in that the left end and the right end of the inquiry table (1) are respectively provided with a self-locking motor (3), the output shaft of the self-locking motor (3) is coaxially connected with an upper connecting rod (4) hinged on the inquiry table (1), the left end and the right end in front of the inquiry table (1) are respectively hinged with two groups of lower connecting rods (5), a turnover table (6) is hinged between the two groups of upper connecting rods (4) and the two groups of lower connecting rods (5), the upper connecting rods (4) and the lower connecting rods (5) are integrally connected with the turnover table (6), and the upper connecting rods (4) are shorter than the lower connecting rods (5), the turnover table (6) can realize the transposition of any angle between the vertical direction and the inclined direction under the driving of the self-locking motor (3), an operation window (7) is arranged on the turnover table (6), an operation keyboard (8) is rotationally connected in the operation window (7), a certificate recognizer (9) is connected on the operation table, the certificate recognizer (9) is electrically connected with the controller, and the self-locking motor (3) can be driven by the controller to work after the correct identity recognition is carried out;

the operating platform is connected with a primary safety protection device, the primary safety protection device comprises first gears (10) coaxially arranged on rotating shafts on two sides of an operating keyboard (8), second gears (11) meshed with the first gears (10) are coaxially arranged on a hinged shaft between a lower connecting rod (5) and a turnover platform (6), when the turnover platform (6) is folded to a vertical position, an operating surface of the operating keyboard (8) rotates to the backward direction, third gears (12) are coaxially arranged on a hinged shaft between the lower connecting rod (5) and an inquiry platform (1), two groups of the third gears (12) are respectively meshed with fourth gears (13) transversely and rotatably connected on the left side and the right side of the operating platform, a first bevel gear (14) is coaxially arranged on the rotating shaft between the two groups of the third gears (12), the upper end of the first bevel gear (14) is meshed with a second bevel gear (15) rotatably connected in the operating platform in a vertical mode, the other end of the second bevel gear (15) is coaxially connected with a third bevel gear (16), the third bevel gear (16) is meshed with a fourth bevel gear (17) which is transversely connected in an operation table in a rotating way, the operation table is internally and transversely connected with two groups of fifth gears (18) which are arranged at intervals and are arranged above the touch display screen (2) in a rotating way, a rotating shaft of the fifth gear (18) is connected with a rotating shaft of the fourth bevel gear (17) through a belt, the fingerprint identification device also comprises a transparent protection plate (19) which is slidably connected in the query table (1) and covers the touch display screen (2), the lower end of the transparent protection plate (19) is connected with two groups of first racks (20) which are transversely arranged at intervals, the first racks (20) are meshed with the fifth gears (18) at the corresponding sides, and a fingerprint identification device (21) connected on the overturning table (6), the fingerprint recognizer is characterized in that a shielding plate (22) which is transversely connected into the overturning platform (6) in a sliding manner is connected above the fingerprint recognizer (21), the requirement that the shielding plate (22) can completely shield the fingerprint recognizer (21) due to transverse movement is met, a transversely arranged worm (23) is connected between two groups of upper connecting rods (4) and hinge shafts of the overturning platform (6), the worm (23) is meshed with a worm wheel (24) which is rotatably connected onto the overturning platform (6), the worm wheel (24) is coaxially connected with a sixth gear (25), the rear end of the shielding plate (22) is transversely connected with a second rack (26) which is meshed with the sixth gear (25), and the fingerprint recognizer (21) is electrically connected with the master control unit;

the fingerprint recognizer (21) is electrically connected with a secondary safety protection device arranged on the operating console, so that the secondary safety protection device can perform anti-theft protection on the stored data in the electronic query device;

the two-stage safety protection device, the master control unit, the controller, the touch display, the self-locking motor (3), the operating keyboard (8), the certificate recognizer (9) and the fingerprint recognizer (21) are electrically connected, and the requirement that the master control unit and the controller control all parts to work and complete corresponding information inquiry work after data processing is carried out is met.

2. The electronic information inquiry device of claim 1, wherein the secondary safety protection device comprises a forward and reverse rotation motor (27) connected in the inquiry station (1), the forward and reverse rotation motor (27) is connected with the master control unit and the controller, the secondary safety protection device further comprises a reading window (28) arranged at the front end of the inquiry station (1), the front end of the rectangular window is provided with a blocking plate (29) which is transversely connected in the inquiry station (1) in a sliding manner and used for blocking the reading window (28), the rear end of the blocking plate (29) is connected with a third rack (30), an output shaft of the forward and reverse rotation motor (27) is coaxially connected with a seventh gear (31), and the seventh gear (31) is meshed with the third rack (30);

the second-level safety protection device further comprises a multi-index rotary table (32) which is transversely connected in the query table (1) in a rotating mode and arranged behind the reading window (28), multiple groups of USB sockets (33) matched with the multi-index rotary table (32) are uniformly connected to the edge of the multi-index rotary table (32) along the circumference, the multiple groups of USB sockets (33) are electrically connected with the master control unit, when a U disk is inserted into the USB sockets (33), data transmission can be achieved between the U disk and the master control unit, a trigger device is connected in the USB sockets (33), the trigger device is connected with the controller and the master control unit, when the corresponding trigger device is triggered by the U disk, data transmission between the U disk and the corresponding USB sockets (33) is achieved, data transmission between other USB sockets (33) and the U disk cannot be achieved, and the seventh gear (31) is connected with a random selection device, the random selection device is connected with the master control unit and the controller, so that when the random selection device is driven by the seventh gear (31), the random selection device randomly selects and controls one group of trigger devices through the master control unit and the controller to enable data transmission between the corresponding USB socket (33) and the USB flash disk, the trigger devices can have a corresponding prompt effect on correct users when being triggered, a multi-division grooved wheel (34) which is rotatably connected in the query table (1) is arranged above the multi-division rotary disc (32), the division numbers of the multi-division rotary disc (32) and the multi-division grooved wheel (34) are kept consistent, the rotating shafts of the multi-division grooved wheel (34) and the multi-division rotary disc (32) are in transmission connection through a belt, and the upper end of the multi-division grooved wheel (34) is matched with a shifting lever (35) which is transversely rotatably connected in the query table (1), the shifting lever (35) is coaxially connected with a driving turntable (36).

3. The device for inquiring electronic information according to claim 2, wherein said random selector comprises a rectangular housing (37) installed in the inquiring table (1), said rectangular housing (37) has a plurality of layers of channels vertically arranged therein, each layer of channel is divided into two parts, the outlet end of the upper layer of channel is communicated with the inlet end of the lower layer of channel, the inlet end of the uppermost layer of channel is communicated with an arc-shaped channel (38), said arc-shaped channel (38) is connected with a vertical channel (39), a driving rod (40) vertically sliding fitted on the housing is arranged in said vertical channel (39), the upper end of said driving rod (40) is connected with a rubber tray (41), a driving ball (42) is arranged in said rubber tray (41), said driving rod (40) is sleeved with a first spring (43) connected between the rubber tray (41) and the housing, the lower extreme of actuating lever (40) connect an one-way drive arrangement, one-way drive arrangement and seventh gear (31) between carry out the drive and be connected, satisfy one-way drive arrangement and unidirectionally promote actuating lever (40) downstream, the passageway of lower floor is provided with multiunit and corresponding many graduation carousel (32) assorted exit ends, the casing in connect one and arrange inclined slide way (44) of lower floor's passageway export below in, satisfy drive ball (42) from lower floor's exit end roll to rubber tray (41) on inclined slide way (44), the exit end of every group lower floor's passageway is connected with infrared emitter (45) and infrared receiver (46) of mutually supporting, every infrared emitter (45) and infrared receiver (46) of group correspond and carry out electric connection through total control unit and controller with corresponding trigger device one-to-one, when satisfying infrared receiver (46) of corresponding exit end and being triggered, the corresponding trigger device works to enable the U disk and the corresponding USB socket (33) to realize data transmission.

4. An electronic information inquiry unit as claimed in claim 3, wherein said one-way driving means comprises an eighth gear (47) engaging with the seventh gear (31), said eighth gear (47) engaging with an external gear ring of a first one-way gear (48) rotatably connected to the inside of the inquiry station (1), said first one-way gear (48) being coaxially connected to a second one-way gear (49), said first one-way gear (48) and said second one-way gear (49) having the same one-way transmission direction, said eighth gear (47) engaging with an idler gear (50) rotatably connected to the inside of the inquiry station (1), said idler gear (50) engaging with an external gear ring of the second one-way gear (49), said first one-way gear (48) being coaxially connected to a disc (51), and further comprising a fixing rod (52) longitudinally connected to the lower end of the driving rod (40), the disc (51) is connected with two groups of tangential rods (53) which are longitudinally arranged at intervals in the tangential direction of the circumferential edge, and the tangential rods (53) are matched with the fixed rod (52) to ensure that the tangential rods (53) drive the driving rod (40) to move downwards and then separate.

5. An electronic information inquiry device according to claim 2, 3 or 4, wherein said trigger means comprises a receiving slot (54) opened in said USB socket (33), said receiving slot (54) is connected with an electric telescopic rod (55), said electric telescopic rod (55) is electrically connected with said controller, said electric telescopic rod (55) is connected with a receiving tube (56) slidably fitted in said receiving slot (54) at the end portion, said receiving tube (56) is slidably fitted with a trapezoidal wedge (57), the slope direction of said trapezoidal wedge (57) is toward the opening end of said USB socket (33), a second spring (58) disposed in said receiving tube (56) is connected between said trapezoidal wedge (57) and the bottom of said receiving tube (56), a piezoelectric sensor cooperating with said trapezoidal wedge (57) is connected to the bottom of said receiving tube (56), the piezoelectric sensor is electrically connected with the master control unit and the controller, so that data transmission between the USB flash disk in the corresponding USB socket (33) and the master control unit is realized when the piezoelectric sensor is triggered by the trapezoidal wedge block (57).

6. The electronic information inquiry device of claim 2, wherein the fourth bevel gear (17) is coaxially provided with a cam (59) disposed outside the inquiry station (1), the cam (59) is slidably fitted with a fitting cylinder (60) slidably connected to the sidewall of the inquiry station (1) in the direction of the outer edge, the lower end of the fitting cylinder (60) is vertically fitted with a plug pin (61) and is prevented from being disengaged, a third spring (62) disposed inside the fitting cylinder (60) is connected between the plug pin (61) and the fitting cylinder (60), a pin hole (63) fitted with the plug pin (61) is radially formed in the rotating shaft of the shift lever (35), and the rotation of the rotating shaft of the shift lever (35) can be restricted by the fitting of the plug pin (61) and the pin hole (63).

7. The electronic information query device of claim 2, wherein the multi-index dial (32) and the multi-index sheave (34) are eight-index sheaves and eight-index sheaves.

Technical Field

The invention belongs to the technical field of inquiry equipment, and particularly relates to an electronic information inquiry device.

Background

Along with the increasing improvement of living standard and technology level of people, electronic information technology is more and more permeated into our lives and works, along with the increasing development of electronic technology, the ways of people to acquire information also become various, such as some banks, business halls and service centers etc. are usually provided with electronic information inquiry apparatuses, the input of personal information and service inquiry are realized through the host connected with the central information platform terminal, however, the existing electronic information query device often has various disadvantages and shortcomings, for example, the operation platform in the prior art occupies too much space, some electronic information query devices do not have good safety protection devices, some non-operators are easy to maliciously damage the electronic information query device, and steal confidential information in the electronic information query device, therefore, an electronic information query device with a very high security level is needed to solve the above problems.

Disclosure of Invention

In view of the above problems, the present invention provides an electronic information query device that solves the problems mentioned in the background art.

In order to achieve the above object, the present invention provides an electronic information inquiry device, which comprises an inquiry table, wherein a master control unit is arranged in the inquiry table, the master control unit is electrically connected with a controller, the inquiry table is of a hollow shell structure, and the upper end of the inquiry table is connected with a touch display screen, and is characterized in that the left end and the right end of the inquiry table are respectively provided with a self-locking motor, the output shaft of the self-locking motor is coaxially connected with an upper connecting rod hinged on the inquiry table, the left end and the right end in front of the inquiry table are respectively hinged with two groups of lower connecting rods, a turnover table is hinged between the two groups of upper connecting rods and the two groups of lower connecting rods, hinge shafts between the upper connecting rod and the lower connecting rods and the turnover table are integrally connected, the upper connecting rod is shorter than the lower connecting rods, and the turnover table can realize the transposition of any angle between the vertical direction and the, an operation window is arranged on the overturning platform, an operation keyboard is rotationally connected in the operation window, a certificate recognizer is connected on the operation platform, the certificate recognizer is electrically connected with the controller, and the requirement that the self-locking motor can be driven by the controller to work after correct identity recognition is achieved is met;

the operating platform is connected with a primary safety protection device, the primary safety protection device comprises first gears coaxially arranged on rotating shafts on two sides of an operating keyboard, second gears meshed with the first gears are coaxially arranged on a hinged shaft between a lower connecting rod and a turnover platform, so that when the turnover platform is folded to a vertical position, an operating surface of the operating keyboard rotates to the backward direction, third gears are coaxially arranged on the hinged shaft between the lower connecting rod and an inquiry platform, two groups of the third gears are respectively meshed with fourth gears transversely and rotatably connected to the left side and the right side of the operating platform, a first bevel gear is coaxially arranged on a rotating shaft between the two groups of the third gears, the upper end of the first bevel gear is meshed with a second bevel gear vertically and rotatably connected into the operating platform, the other end of the second bevel gear is coaxially connected with a third bevel gear, and the third bevel gear is meshed with a fourth bevel gear transversely and rotatably connected into the operating platform, the operating table is internally and transversely and rotatably connected with two groups of fifth gears which are arranged at intervals and are arranged above the touch display screen, the rotating shaft of the fifth gear is connected with the rotating shaft of the fourth bevel gear through a belt, the operating table further comprises a transparent protection plate which is slidably connected in the query table and covers the touch display screen, the lower end of the transparent protection plate is connected with two groups of first racks which are transversely arranged at intervals, the first racks are meshed with the fifth gears at the corresponding sides, the operating table further comprises a fingerprint recognizer connected on the overturning table, a shielding plate which is transversely and slidably connected in the overturning table is connected above the fingerprint recognizer, the requirement that the fingerprint recognizer is completely shielded by the transverse movement of the shielding plate is met, a transversely arranged worm is connected between two groups of upper connecting rods and a hinged shaft of the overturning table, and the worm is meshed with a worm wheel rotatably connected on the overturning table, the worm wheel is coaxially connected with a sixth gear, the rear end of the shielding plate is transversely connected with a second rack meshed with the sixth gear, and the fingerprint identifier is electrically connected with the master control unit;

the fingerprint recognizer is electrically connected with a secondary safety protection device arranged on the operating platform, so that the secondary safety protection device can perform anti-theft protection on the stored data in the electronic inquiry device;

the second-level safety protection device, the master control unit, the controller, the touch display, the self-locking motor, the operating keyboard, the certificate recognizer and the fingerprint recognizer are electrically connected, and the requirement that the master control unit and the controller control all parts to work and complete corresponding information inquiry work after data processing is carried out is met.

Preferably, the secondary safety protection device comprises a forward and reverse rotation motor connected in the query table, the forward and reverse rotation motor is connected with the master control unit and the controller, the secondary safety protection device further comprises a reading window arranged at the front end of the query table, the front end of the rectangular window is provided with a plugging plate which is transversely connected in the query table in a sliding manner and used for shielding the reading window, the rear end of the plugging plate is connected with a third rack, an output shaft of the forward and reverse rotation motor is coaxially connected with a seventh gear, and the seventh gear is meshed with the third rack;

the second-level safety protection device also comprises a multi-index rotary disc which is transversely connected in the query table in a rotating manner and arranged behind the reading window, a plurality of groups of USB sockets matched with the multi-index rotary disc are uniformly and circumferentially connected at the edge of the multi-index rotary disc, the plurality of groups of USB sockets are electrically connected with the master control unit, so that when a U disc is inserted into the USB sockets, data transmission can be realized between the U disc and the master control unit, a trigger device is connected in the USB sockets, the trigger device is connected with the controller and the master control unit, so that when the corresponding trigger device is triggered by the U disc, data transmission can be realized between the U disc and the corresponding USB sockets, data transmission cannot be realized between other USB sockets and the U disc, the seventh gear is connected with a random selection device, the random selection device is connected with the master control unit and the controller, so that when the random selection device is driven by the seventh gear, the random selection device randomly selects and controls one group of trigger devices through the master control unit and the controller to enable data transmission between the corresponding USB socket and the USB flash disk, the trigger devices can have a corresponding prompt effect on a correct user when being triggered, a multi-indexing grooved wheel rotatably connected in the query table is arranged above the multi-indexing turntable, the indexing numbers of the multi-indexing turntable and the multi-indexing grooved wheel are kept consistent, the multi-indexing grooved wheel is in transmission connection with a rotating shaft of the multi-indexing turntable through a belt, the upper end of the multi-indexing grooved wheel is matched with a shifting lever transversely rotatably connected in the query table, and the shifting lever is coaxially connected with a driving turntable.

Preferably, the random selection device comprises a rectangular shell installed in the query table, multiple layers of channels are vertically arranged in the rectangular shell, each layer of channel is divided into two parts, the outlet end of the upper layer of channel is communicated with the inlet end of the lower layer of channel, the inlet end of the uppermost layer of channel is communicated with an arc-shaped channel, the arc-shaped channel is connected with a vertical channel, a driving rod which is vertically matched with the shell in a sliding manner is arranged in the vertical channel, the upper end of the driving rod is connected with a rubber tray, a driving ball is arranged in the rubber tray, a first spring connected between the rubber tray and the shell is sleeved outside the driving rod, the lower end of the driving rod is connected with a one-way driving device, the one-way driving device is in driving connection with the seventh gear, and the one-way driving device is required to push the driving rod to move downwards in a one way, the passageway of lower floor is provided with multiunit and corresponding many graduation carousel assorted exit end, the casing in connect one arrange the slope slide of lower floor passageway export below in, satisfy drive ball from lower floor's exit end and roll to the rubber tray through the slope slide on, the exit end of every group lower floor passageway is connected with infrared emitter and the infrared receiver of mutually supporting, every infrared emitter and infrared receiver of group and corresponding trigger device one-to-one and carry out electric connection through total control unit and controller, when satisfying the infrared receiver of corresponding exit end and being triggered, corresponding trigger device work for the USB flash disk realizes the data transmission with corresponding USB socket.

Preferably, one-way drive arrangement include with seventh gear engaged with eighth gear, eighth gear with rotate the outer ring gear of connecting the first one-way gear in the inquiry platform and mesh mutually, first one-way gear coaxial coupling second one-way gear, first one-way gear and second one-way gear's one-way transmission direction the same, eighth gear with rotate the idler of connecting in the inquiry platform and mesh mutually, idler and second one-way gear's outer ring gear mesh mutually, first one-way gear coaxial coupling disc, still include the dead lever of longitudinal connection at the actuating lever lower extreme, the disc on be connected with the tangential bar of two sets of longitudinal separation settings along the tangential direction of circumferential edge, the tangential bar breaks away from after satisfying tangential bar drive actuating lever downstream with the dead lever cooperation.

Preferably, trigger device including opening the holding tank in the USB socket, the holding tank in-connection electric telescopic handle, electric telescopic handle and controller between the electricity be connected, an electric telescopic handle end connection a sliding fit hold a section of thick bamboo in the holding tank, hold a section of thick bamboo sliding fit trapezoidal voussoir, the inclined plane direction of trapezoidal voussoir towards the open end of USB socket, trapezoidal voussoir with hold and be connected a second spring of arranging in holding a section of thick bamboo between the bobbin base portion, hold bobbin base portion connect one with the piezoelectric sensor that trapezoidal voussoir cooperation was used, piezoelectric sensor and total control unit and controller between electric connection satisfy piezoelectric sensor when being triggered by trapezoidal voussoir, realize data transmission between the U dish in the corresponding USB socket and the total control unit.

Preferably, the fourth bevel gear is coaxially provided with a cam arranged outside the query table, the cam is in sliding fit with a matching cylinder in the direction of the outer edge, the matching cylinder is vertically connected to the side wall of the query table in a sliding manner, the lower end of the matching cylinder is vertically matched with a bolt and does not break away from the bolt, a third spring arranged in the matching cylinder is connected between the bolt and the matching cylinder, a pin hole matched with the bolt is formed in the rotating shaft of the deflector rod along the radial direction, and the rotation of the rotating shaft of the deflector rod can be limited by the matching of the bolt and the pin hole.

Preferably, the multi-indexing turntable and the multi-indexing sheave adopt eight-indexing sheave and eight-indexing sheave.

The invention has the beneficial effects that: the invention leads the overturning platform to carry out retraction and transposition of work through the matching of the upper support rod, the lower support rod and the overturning platform, leads the operation keyboard to carry out transposition through the matching of the first gear and the second gear in the process of transposition, leads the overturning platform to be in a forbidden state when being retracted and to be in a usable state when in work, simultaneously leads the transparent protective plate to protect the touch display screen through the transmission of the worm gear and the transmission of the bevel gear set, and opens the shielding plate to lead a user to carry out fingerprint identification, thereby starting the secondary safety protection device, leading the rotating shaft of the deflector rod to be unlocked through the transposition of the overturning platform before starting, utilizing the one-way driving device to drive the random selection device to randomly select the USB socket in the multi-division turntable for data connection, simultaneously utilizing the matching of the seventh gear coaxially connected with the output shaft of the forward and reverse rotation motor and the third rack to open the unsealing blocking plate, the data acquisition system has the advantages of high safety protection performance, space saving, avoidance of malicious damage and use of non-operators, guarantee of safety of internal confidential information, ingenious structure, design of ring-to-ring buckling, simplicity in operation, high automation degree, strong practicability and suitability for popularization and use.

Drawings

Fig. 1 is a perspective view of a three-dimensional structure of the present invention during operation.

Fig. 2 is a perspective view of the present invention.

Fig. 3 is a perspective view three of a three-dimensional structure of the present invention during operation.

Fig. 4 is a perspective view of the first three-dimensional structure of the present invention when it is folded.

Fig. 5 is a perspective view of the second stereoscopic structural view when the present invention is folded.

Fig. 6 is a front view of the present invention.

FIG. 7 is a perspective view of the stereo structural diagram with the query table removed according to the present invention.

FIG. 8 is a perspective view II of the stereo structural diagram of the present invention with the query table removed.

Fig. 9 is a perspective view of the flipping table and its connection part in the present invention.

Fig. 10 is a perspective view showing a worm and its connection part according to the present invention.

FIG. 11 is a perspective view of the present invention with the rear wall of the interrogation station removed.

Fig. 12 is a perspective view of the secondary safety protection device of the present invention.

Fig. 13 is a perspective view showing the latch and the engaging portion of the cam according to the present invention.

Fig. 14 is a partial perspective view of the secondary safety shield apparatus of the present invention.

Fig. 15 is a perspective view of the one-way driving device of the present invention.

Fig. 16 is a perspective view of the multi-index rotary table of the present invention.

Fig. 17 is a cross-sectional view of the multi-index rotary table and its attachment portion in the present invention.

Fig. 18 is an exploded view of a trigger device in the multi-index rotary disk of the present invention.

FIG. 19 is a perspective view of the random access device of the present invention with a rectangular housing removed.

FIG. 20 is a perspective view of the second embodiment of the random selector with a rectangular housing removed.

Reference numerals: 1. an enquiry platform; 2. a touch screen display screen; 3. a self-locking motor; 4. an upper connecting rod; 5. a lower connecting rod; 6. a turning table; 7. an operating window; 8. operating a keyboard; 9. an evidence identifier; 10. a first gear; 11. a second gear; 12. a third gear; 13. a fourth gear; 14. a first bevel gear; 15. a second bevel gear; 16. a third bevel gear; 17. a fourth bevel gear; 18. a fifth gear; 19. a transparent protective plate; 20. a first rack; 21. a fingerprint identifier; 22. a shielding plate; 23. a worm; 24. a worm gear; 25. a sixth gear; 26. a second rack; 27. a positive and negative rotation motor; 28. reading a window; 29. a plugging plate; 30. a third rack; 31. a seventh gear; 32. a multi-index rotary table; a USB socket; 34. a multi-index sheave; 35. a deflector rod; 36. driving the turntable; 37. a rectangular housing; 38. an arc-shaped channel; 39. a vertical channel; 40. a drive rod; 41. a rubber tray; 42. a drive ball; 43. a first spring; 44. inclining the slideway; 45. an infrared emitter; 46. an infrared receiver; 47. an eighth gear; 48. a first one-way gear; 49. a second one-way gear; 50. an idler pulley; 51. a disc; 52. fixing the rod; 53. fixing the rod; 54. accommodating grooves; 55. an electric telescopic rod; 56. a receiving cylinder; 57. a trapezoidal wedge block; 58. a second spring; 59. a cam; 60. a fitting barrel; 61. a bolt; 62. a third spring; 63. a pin hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to fig. 1 to 20 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 embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.