CN113963637A

CN113963637A - Economic statistical data collection system convenient to use

Info

Publication number: CN113963637A
Application number: CN202111368404.2A
Authority: CN
Inventors: 卢允照; 黄静雯; 谢学智; 刘鼎; 邓剑锋
Original assignee: Fuzhou College of Foreign Studies and Trade
Current assignee: Fuzhou College of Foreign Studies and Trade
Priority date: 2021-11-18
Filing date: 2021-11-18
Publication date: 2022-01-21

Abstract

The invention discloses an economic statistical data acquisition device convenient to use, which comprises a bearing plate and an acquisition module, wherein a motor frame, a first supporting plate and a supporting frame are fixedly connected to the bearing plate, a motor is fixedly connected to the motor frame, an output end of the motor is fixedly connected to an output shaft, a single disc is fixedly connected to one end, away from the motor, of the output shaft, a pin column is fixedly connected to one end, close to the motor, of the single disc, a rotating shaft is rotatably connected to the first supporting plate in a fixed shaft mode, one end, away from the first supporting plate, of the rotating shaft is rotatably connected to the supporting frame in a fixed shaft mode, three triangular display frames are rotatably connected to the supporting frame in a fixed shaft mode, a three-wing disc and a three-wing cam are fixedly connected to the arc outline of the rotating shaft, and three pin grooves used for being matched with the pin column are formed in the three-wing disc. According to the invention, through the cooperation of the integral structure, the effect that the three triangular display stands rotate simultaneously and can be matched with the economic statistical data to be displayed is achieved, so that the display contents can be accurately and unmistakably collected by the collection module.

Description

Economic statistical data collection system convenient to use

Technical Field

The invention relates to the technical field of data acquisition, in particular to an economic statistical data acquisition device convenient to use.

Background

The economic statistics mainly researches the application of statistical analysis principles and statistical analysis techniques in the national economy field, forms good mathematics and economic literacy through theoretical learning and professional practice, and masters the commonly used data statistical and analysis methods and the use skills of related software.

At present, most of economic statistical data collection devices can only display and collect data through a single display rack when in use, so that when a collection module collects data, errors of collecting economic statistical data are caused due to too dense economic statistical data on the display rack, and therefore the economic statistical data collection device convenient to use is needed to solve the problems.

Disclosure of Invention

The invention aims to provide a convenient-to-use economic statistical data acquisition device, which has the advantages of less-intensive economic statistical data and convenience in acquisition and display and solves the problem of error in acquisition of economic statistical data caused by too-intensive economic statistical data.

In order to achieve the purpose, the invention provides the following technical scheme: an economic statistical data acquisition device convenient to use comprises a bearing plate and an acquisition module, wherein the acquisition module is placed on the bearing plate, a motor frame, a first supporting plate and a supporting frame are fixedly connected onto the bearing plate, a motor is fixedly connected onto the motor frame, an output end of the motor is fixedly connected with an output shaft, one end of the output shaft, far away from the motor, is fixedly connected with a single disc, one end of the single disc, close to the motor, is fixedly connected with a pin column, a fixed shaft is rotatably connected onto the first supporting plate, one end of the rotating shaft, far away from the first supporting plate, is rotatably connected onto the supporting frame, the fixed shaft is rotatably connected onto the supporting frame with three triangular display frames, three triangular display frames are internally provided with conversion mechanisms for converting economic statistical data, and a three-wing disc and a three-wing cam are fixedly connected onto the arc-shaped outline of the rotating shaft, three pin grooves used for being matched with the pin columns are formed in the three-wing disc, and a rotating mechanism used for rotating and displaying the triangular display rack is arranged on the rotating shaft.

Preferably, slewing mechanism is including the three first bevel gear of fixed connection on axis of rotation arc profile, and is three the lower fixed surface of triangle show shelf is connected with all three first pivot pole, every that run through the support frame the equal fixedly connected with of one end of triangle show shelf and the equal meshing of every first bevel gear second bevel gear are kept away from to first pivot pole.

Preferably, the conversion mechanism is including N shape pole, seted up the spout on the support frame and through spout and the spacing sliding connection of N shape pole, the one end that N shape pole is close to the three-wing disc offsets with the three-wing cam, set up three turn trough on the N shape pole and be connected with three telescopic link through the rotation of turn trough dead axle, the equal fixed connection of one end that N shape pole was kept away from to every telescopic link is on the inner wall of triangle show shelf, every the telescopic link is close to the three rack of one end fixedly connected with of N shape pole, every fixedly connected with supports the ring on the arc profile of telescopic link.

Preferably, transform structure is still including six second backup pads of fixed connection on every triangle show shelf inner wall, per two equal dead axle rotation is connected with second dwang and third dwang, every on the opposite face of second backup pad equal fixedly connected with is used for releasing the flexible screen and carries out the first wind-up roll that demonstrates, every on the arc profile of second dwang equal fixedly connected with is used for the second wind-up roll that the flexible screen that accomplishes the show packed up, every on the arc profile of third dwang equal fixedly connected with lantern ring, every on the lantern ring equal fixedly connected with multiunit flexible fixture block, every all cup jointed the spur gear on the lantern ring, every all be equipped with on the spur gear be used for with multiunit flexible fixture block complex multiunit flexible clamping groove, every flat gear wheel and rack toothing.

Preferably, the change mechanism is still including the belt, every equal fixedly connected with first pulley, every on the arc profile of second dwang equal fixedly connected with second pulley, every on the arc profile of third dwang the second pulley passes through belt drive with first pulley and is connected.

Preferably, every all be equipped with the adjustment mechanism who is used for adjusting third dwang rotation range on the triangle show shelf, adjustment mechanism is including the supporting shoe of fixed connection on the inner wall of every triangle show shelf, every the equal fixedly connected with piston cylinder in upper surface of supporting shoe, every equal axially sliding connected with sealing plug, every on the inner wall of piston cylinder equal fixedly connected with runs through the piston rod of piston cylinder on the sealing plug, every the equal fixedly connected with of one end that the sealing plug was kept away from to the piston rod supports the piece with supporting the ring counterbalance, every first spring has all been placed in the piston cylinder, every the both ends of first spring respectively with sealing plug and piston cylinder fixed connection.

Preferably, adjustment mechanism is still including intake pipe and gas-supply pipe, every all fixed intercommunication has with external communicating intake pipe on the piston cylinder, every the piston cylinder is all through the gas-supply pipe that runs through second backup pad and third dwang and the fixed intercommunication of second pulley, every equal fixedly connected with check valve on intake pipe and the gas-supply pipe.

Preferably, be equipped with the canceling release mechanical system that is used for the collection system to reset on the supporting shoe, canceling release mechanical system is including the second spring of fixed connection near second pulley one end at the supporting shoe, every the equal fixedly connected with bearing block of one end that the supporting shoe was kept away from to the second spring, every the spout has all been seted up on the bearing block and through spout and belt sliding connection, every the bearing block is close to the equal fixed connection circle piece of one end of second pulley, every the torsional spring has all been cup jointed on the third dwang. The reset mechanism is still including the connecting block of fixed connection in the second leather wheel, every the connecting block is close to the equal fixedly connected with third spring of one end of bearing block, every the equal fixedly connected with round platform of one end that the connecting block was kept away from to the third spring, every all seted up the through-hole on the second leather wheel and through the equal axially sliding connection of through-hole there is the round platform, every the round platform all is located the face-to-face of round piece.

Compared with the prior art, the invention has the following beneficial effects:

1. according to the invention, through the cooperation of the integral structure, the effect that the three triangular display stands rotate simultaneously and can be matched with the economic statistical data to be displayed is achieved, so that the display contents can be accurately and unmistakably collected by the collection module.

2. According to the invention, by arranging the rotating mechanism, the three triangular display frames can rotate simultaneously, economic statistical data of the flexible screen can be converted while the three triangular display frames rotate, and the effect that the acquisition module can acquire errors is avoided.

3. According to the invention, by arranging the conversion mechanism, the effect that the economic statistical data on the flexible screen can be automatically replaced without manual operation is achieved.

4. According to the invention, by arranging the adjusting mechanism, the diameter of the second pulley is changed along with the thickness of the flexible screen wound on the second winding roller during winding, and the change amplitudes are the same, so that the flexible screen cannot be damaged in use and the like.

5. According to the invention, by arranging the reset mechanism, the second winding roller and the first winding roller can rotate quickly after the display and the collection are finished, so that the flexible screen which is displayed and collected is reset quickly.

Drawings

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

FIG. 2 is a second external view of the overall structure of the present invention;

FIG. 3 is a schematic structural view of a three-wing disk, a three-wing cam and a single disk of the present invention;

FIG. 4 is a schematic cross-sectional view of a triangular display stand structure according to the present invention;

FIG. 5 is a first schematic structural diagram of a change mechanism of the present invention;

FIG. 6 is a second schematic structural diagram of the conversion mechanism of the present invention;

FIG. 7 is a first schematic structural diagram of an adjusting mechanism according to the present invention;

FIG. 8 is a second schematic structural view of an adjustment mechanism of the present invention;

FIG. 9 is a first schematic structural view of the reset mechanism of the present invention;

fig. 10 is a second structural schematic diagram of the resetting mechanism of the invention.

In the figure: 1. a bearing plate; 11. a support frame; 2. a motor; 21. a motor frame; 22. a single disc; 23. a pin; 3. a first support plate; 31. a rotating shaft; 32. a three-wing disc; 33. a three-wing cam; 34. a first bevel gear; 35. an N-shaped rod; 4. a triangular display rack; 41. a first rotating lever; 42. a second bevel gear; 43. a telescopic rod; 44. a rack; 45. a support ring; 5. a first wind-up roll; 51. a second rotating lever; 52. a second support plate; 53. a first pulley; 54. a belt; 6. a flexible screen; 61. a second spring; 62. a bearing block; 63. a round block; 64. connecting blocks; 65. a third spring; 66. a circular truncated cone; 7. a second wind-up roll; 71. a third rotating rod; 72. a card slot; 73. a flat gear; 74. a second pulley; 75. a torsion spring; 76. a flexible clamping block; 77. a collar; 8. a piston cylinder; 81. a support block; 82. a piston rod; 83. a resisting block; 85. a gas delivery pipe; 86. an air inlet pipe; 87. a one-way valve; 88. a sealing plug; 89. a first spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be 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 only a part of the embodiments of the present invention, and not all of the 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.

Example one

The invention provides a technical scheme that: an economic statistical data acquisition device convenient to use comprises a bearing plate 1 and an acquisition module, wherein the acquisition module is placed on the bearing plate 1, a motor frame 21, a first supporting plate 3 and a supporting frame 11 are fixedly connected on the bearing plate 1, a motor 2 is fixedly connected on the motor frame 21, an output end of the motor 2 is fixedly connected with an output shaft, one end of the output shaft, which is far away from the motor 2, is fixedly connected with a single disc 22, one end of the single disc 22, which is close to the motor 2, is fixedly connected with a pin column 23, a rotating shaft 31 is rotatably connected on the first supporting plate 3, one end of the rotating shaft 31, which is far away from the first supporting plate 3, is rotatably connected on the supporting frame 11, three triangular display frames 4 are rotatably connected on the supporting frame 11 in a fixed shaft mode, conversion mechanisms for converting economic statistical data are arranged in the three triangular display frames 4, and a three-wing disc 32 and a three-wing cam 33 are fixedly connected on an arc contour of the rotating shaft 31, three pin grooves used for being matched with the pin columns 23 are formed in the three-wing disc 32, and a rotating mechanism used for rotatably displaying the triangular display rack 4 is arranged on the rotating shaft 31.

Referring to fig. 1, 2 and 3, when the motor 2 is started, the output shaft drives the single disc 22 to rotate, and the three-wing disc 32 is provided with three pin slots for matching with the pins 23 on the single disc 22, so that the single disc 22 rotates for one circle, the three-wing disc 32 rotates for 120 degrees, and the rotating shaft 31 rotates for 120 degrees.

Further, the rotating mechanism comprises three first bevel gears 34 fixedly connected to the arc-shaped contour of the rotating shaft 31, three first rotating rods 41 penetrating through the supporting frame 11 are fixedly connected to the lower surfaces of the three triangular display frames 4, and a second bevel gear 42 meshed with each first bevel gear 34 is fixedly connected to one end, far away from the triangular display frame 4, of each first rotating rod 41.

Referring to fig. 1, 2 and 3, the first bevel gear 34 on the rotating shaft 31 rotates 120 degrees, the second bevel gear 42 rotates 120 degrees due to the engagement of the second bevel gear 42 and the first bevel gear 34, so that the first rotating rod 41 on the second bevel gear 42 drives the triangular display rack 4 to rotate 120 degrees, and each time the single disc 22 rotates one circle, the triangular display rack 4 displays one surface of the triangular display rack 4, and the three triangular display racks 4 rotate at the same time and have the same angle, so that the three triangular display racks 4 can be used in a matched manner, thereby preventing the single display rack from inaccurate information acquisition by the acquisition module during display, achieving the purpose that the three triangular display racks 4 can be used in a matched manner, and enabling the acquisition module to accurately acquire the displayed content.

Further, the change mechanism is including N shape pole 35, seted up the spout on the support frame 11 and through spout and the spacing sliding connection of N shape pole 35, the one end that N shape pole 35 is close to three wing disc 32 offsets with three wing cam 33, seted up three turn trough on the N shape pole 35 and rotated through the turn trough dead axle and be connected with three telescopic link 43, the equal fixed connection of one end that N shape pole 35 was kept away from to every telescopic link 43 is on the inner wall of triangle show shelf 4, every telescopic link 43 is close to the three rack of one end fixedly connected with 44 of N shape pole 35, fixedly connected with supports ring 45 on the arc profile of every telescopic link 43.

Referring to fig. 1, 2 and 3, when the rotating shaft 31 rotates 120 degrees, and at the same time, the three-wing cam 33 synchronously rotates 120 degrees, and the N-shaped rod 35 slides up and down in a reciprocating manner along with the arc-shaped profile of the three-wing cam 33 because the N-shaped rod 35 abuts against the three-wing cam 33.

Further, the transform structure still includes six second backup pads 52 of fixed connection on 4 inner walls of every triangle show shelf, equal dead axle rotation is connected with second dwang 51 and third dwang 71 on the opposite face of every two second backup pads 52, equal fixedly connected with is used for not releasing flexible screen 6 and carries out the first wind-up roll 5 that demonstrates on the arc profile of every second dwang 51, equal fixedly connected with is used for the second wind-up roll 7 that packs up the flexible screen 6 that the show was accomplished on the arc profile of every third dwang 71, equal fixedly connected with lantern ring 77 on the arc profile of every third dwang 71, equal fixedly connected with multiunit flexible fixture block 76 on every lantern ring 77, flat gear 73 has all been cup jointed on every lantern ring 77, all be equipped with on every flat gear 73 be used for with multiunit flexible fixture block 76 complex flexible draw-in groove 72 with multiunit flexible fixture block 76, every flat gear 73 and rack 44 meshing.

Further, the conversion mechanism further comprises a belt 54, a first belt pulley 53 is fixedly connected to the arc-shaped contour of each second rotating rod 51, a second belt pulley 74 is fixedly connected to the arc-shaped contour of each third rotating rod 71, and each second belt pulley 74 is in transmission connection with the first belt pulley 53 through the belt 54.

Referring to fig. 4, 5 and 6, the N-shaped rod 35 slides up and down in a reciprocating manner, so that the telescopic rod 43 slides up and down in a reciprocating manner along with the N-shaped rod 35, and the telescopic rod 43 is fixedly connected with the triangular display rack 4, so that when the telescopic rod 43 slides up and down in a reciprocating manner, the telescopic rod can rotate 120 degrees in a synchronous manner along with the triangular display rack 4, and the rack 44 and the pinion 73 are always meshed.

Referring to fig. 4, fig. 5, fig. 6, when the rack 44 slides upwards along with the telescopic rod 43, the flat gear 73 rotates anticlockwise, the flexible clamping block 76 is clamped with the flexible clamping groove 72, so that the lantern ring 77 drives the third rotating rod 71 to rotate, thereby the second winding roller 7 and the second pulley 74 rotate, because the second pulley 74 is in transmission connection with the first pulley 53 through the belt 54, the first pulley 53 rotates synchronously, thereby the first winding roller 5 rotates, and further the flexible screen 6 which is not collected and displayed on the first winding roller 5 is released, the second winding roller 7 winds the collected and displayed flexible screen 6 onto the second winding roller 7, so that the flexible screen 6 is ensured to be in a stretched state all the time, the collection is facilitated, and meanwhile, the economic statistical data on the flexible screen 6 can be automatically replaced without manual operation.

Referring to fig. 4, 5 and 6, when the rack 44 slides downwards along with the telescopic rod 43, and meanwhile, the flat gear 73 rotates clockwise, the flexible fixture block 76 is not clamped with the flexible fixture groove 72, so that the lantern ring 77 does not rotate, and therefore the second winding roller 7 and the first winding roller 5 do not rotate, so that the economic statistical data on the flexible screen 6 cannot be played back, and the effect of data acquisition errors is avoided.

Referring to fig. 4, 5 and 6, the economic statistical data of the flexible screen 6 is changed while the triangular display frame 4 rotates, so that the effect that the acquisition module may acquire errors is avoided.

Further, all be equipped with the adjustment mechanism who is used for adjusting third dwang 71 rotation amplitude on every triangle show shelf 4, adjustment mechanism is including supporting shoe 81 of fixed connection on the inner wall of every triangle show shelf 4, the equal fixedly connected with piston cylinder 8 of upper surface of every supporting shoe 81, equal endwise slip is connected with sealing plug 88 on the inner wall of every piston cylinder 8, equal fixedly connected with runs through piston cylinder 8's piston rod 82 on every sealing plug 88, the equal fixedly connected with of one end of sealing plug 88 and the piece 83 that supports 45 counterbalance of ring are kept away from to every piston rod 82, first spring 89 has all been placed in every piston cylinder 8, the both ends of every first spring 89 respectively with sealing plug 88 and piston cylinder 8 fixed connection.

Referring to fig. 7 and 8, when the telescopic rod 43 slides downwards, the abutting ring 45 on the telescopic rod 43 abuts against the abutting block 83, so that the abutting block 83 drives the piston rod 82 and the sealing plug 88 to slide downwards, and when the telescopic rod 43 slides upwards, the elastic force of the first spring 89 is released, so that the piston rod 82 and the sealing plug 88 slide upwards, and further, the repeated change of the air pressure in the piston cylinder 8 is achieved.

Further, the adjusting mechanism further comprises an air inlet pipe 86 and an air inlet pipe 85, the air inlet pipe 86 communicated with the outside is fixedly communicated with each piston cylinder 8, each piston cylinder 8 is fixedly communicated with the second pulley 74 through the air inlet pipe 85 penetrating through the second supporting plate 52 and the third rotating rod 71, and a one-way valve 87 is fixedly connected to each air inlet pipe 86 and each air inlet pipe 85.

Referring to fig. 7 and 8, when the piston rod 82 and the sealing plug 88 slide upwards in the piston cylinder 8, negative pressure is generated under the cooperation of the one-way valve 87, so that outside air is sucked into the piston cylinder 8 through the air inlet pipe 86, when the piston rod 82 and the sealing plug 88 slide downwards in the piston cylinder 8, high pressure is generated under the cooperation of the one-way valve 87, so that the air in the piston cylinder 8 is sent into the second pulley 74 through the air delivery pipe 85, the diameter of the second pulley 74 is the same with the thickness of the flexible screen 6 wound on the second winding roller 7, and the phenomena that the flexible screen 6 is not damaged due to the fact that the thickness of the flexible screen 6 wound on the second winding roller 7 is larger and larger, the lengths of the flexible screen 6 wound and discharged from the flexible screen 6 are different are avoided.

Example two

With embodiment one basically the same, further, be equipped with the canceling release mechanical system who is used for the collection system to reset on the supporting shoe 81, canceling release mechanical system is including fixed connection at the second spring 61 that the supporting shoe 81 is close to second leather-wheel 74 one end, the equal fixedly connected with bearing block 62 of one end that every second spring 61 kept away from the supporting shoe 81, all seted up the spout on every bearing block 62 and through spout and belt 54 sliding connection, the equal fixed connection circle piece 63 of one end that every bearing block 62 is close to second leather-wheel 74, all cup jointed torsional spring 75 on every third dwang 71.

Furthermore, the resetting mechanism further comprises a connecting block 64 fixedly connected in the second leather wheel 74, a third spring 65 is fixedly connected to one end, close to the bearing block 62, of each connecting block 64, a circular truncated cone 66 is fixedly connected to one end, far away from the connecting block 64, of each third spring 65, a through hole is formed in each second leather wheel 74, circular truncated cones 66 are connected to one ends of the second leather wheels in an axial sliding mode through the through holes, and each circular truncated cone 66 is located right opposite to the circular block 63.

Referring to fig. 9 and 10, as the second pulley 74 is gradually increased, the required belts 54 are gradually increased, so that the bearing block 62 gradually moves towards the second pulley 74, when the flexible screen 6 is displayed and the economic statistical data collection is completed, at this time, the motor 2 stops working, the round block 63 on the bearing block 62 abuts against the round table 66 on the second pulley 74, the round table 66 slides towards the connecting block 64, so that the gas in the second pulley 74 is discharged, and then the torsion spring 75 releases pressure, so that the second winding roller 7 and the first winding roller 5 both rapidly rotate, and the displayed and collected flexible screen 6 is rapidly reset.

The working principle is as follows: when the economic statistical data acquisition device convenient to use is used, the motor 2 is started, as shown in fig. 1, fig. 2 and fig. 3, the output shaft drives the single disc 22 to rotate, the three-wing disc 32 rotates for one circle due to the three pin grooves matched with the pins 23 on the single disc 22, the single disc 22 rotates for one circle, the three-wing disc 32 rotates for 120 degrees, so that the rotating shaft 31 rotates for 120 degrees, the first bevel gear 34 on the rotating shaft 31 rotates for 120 degrees, the second bevel gear 42 rotates for 120 degrees due to the meshing of the second bevel gear 42 and the first bevel gear 34, so that the first rotating rod 41 on the second bevel gear 42 drives the triangular display rack 4 to rotate for 120 degrees, so that the triangular display rack 4 displays one surface of the single disc 22 during each circle of rotation, and the three triangular display racks 4 rotate at the same time and have the same angle, so that the three triangular display racks 4 can be used in a matched way, the problem that the acquisition module acquires inaccurate information when a single showing stand is displayed is avoided, and the three triangular showing stands 4 can be matched for use, so that the acquisition module can accurately acquire economic statistical data.

As shown in fig. 2, 4, 5 and 6, when the rotating shaft 31 rotates 120 degrees, and at the same time, the three-wing cam 33 rotates 120 degrees synchronously, and the N-shaped rod 35 abuts against the three-wing cam 33, so that the N-shaped rod 35 slides up and down along the arc-shaped profile of the three-wing cam 33 in a reciprocating manner, which is described in detail as follows:

in the above, the N-shaped rod 35 slides up and down in a reciprocating manner, so that the telescopic rod 43 can synchronously slide up and down in a reciprocating manner along with the N-shaped rod 35, and due to the fixed connection between the telescopic rod 43 and the triangular display rack 4, the telescopic rod 43 can synchronously rotate 120 degrees along with the triangular display rack 4 when sliding up and down in a reciprocating manner, so that the rack 44 and the pinion 73 are always meshed.

The extendable rod 43 has a conventional structure, and therefore, it will not be described in detail.

When the rack 44 slides upwards along with the telescopic rod 43, the flat gear 73 rotates anticlockwise, the flexible clamping block 76 is clamped with the flexible clamping groove 72 at the moment, the lantern ring 77 drives the third rotating rod 71 to rotate, the second winding roller 7 and the second leather wheel 74 rotate, the second leather wheel 74 and the first leather wheel 53 are connected through the belt 54 in a transmission mode, the first leather wheel 53 rotates synchronously, the first winding roller 5 rotates, the flexible screen 6 which is not collected and displayed on the first winding roller 5 is released, the second winding roller 7 winds the collected and displayed flexible screen 6 onto the second winding roller 7, the fact that the flexible screen 6 is in a stretched straight state is guaranteed all the time, collection is facilitated, meanwhile, economic statistical data on the flexible screen 6 can be replaced by itself, and the effect of manual operation is not needed.

When the rack 44 follows the telescopic link 43 and slides downwards, meanwhile, the flat gear 73 rotates clockwise, the flexible clamping block 76 is not clamped with the flexible clamping groove 72 at the moment, the lantern ring 77 is not rotated, the second winding roller 7 and the first winding roller 5 are not rotated, the economic statistical data on the flexible screen 6 cannot be played back, and the effect of data acquisition errors is avoided.

The economic statistical data of the flexible screen 6 are converted while the triangular display rack 4 rotates, so that the effect that the acquisition module possibly acquires errors is avoided.

As shown in fig. 7 and 8, when the telescopic rod 43 slides downwards, the abutting ring 45 on the telescopic rod 43 abuts against the abutting block 83, so that the abutting block 83 drives the piston rod 82 and the sealing plug 88 to slide downwards, when the telescopic rod 43 slides upwards, at this time, the elastic force of the first spring 89 is released, so that the piston rod 82 and the sealing plug 88 slide upwards, and further, the repeated change of the air pressure in the piston cylinder 8 is achieved, which is described in detail as follows:

in the above, when the piston rod 82 and the sealing plug 88 slide upwards in the piston cylinder 8, negative pressure is generated under the cooperation of the one-way valve 87, so that outside air is sucked into the piston cylinder 8 through the air inlet pipe 86, when the piston rod 82 and the sealing plug 88 slide downwards in the piston cylinder 8, high pressure is generated under the cooperation of the one-way valve 87, so that the air in the piston cylinder 8 is sent into the second pulley 74 through the air conveying pipe 85, the diameter of the second pulley 74 is made to be the same with the thickness change and the change amplitude of the flexible screen 6 wound on the second winding roller 7, and the phenomena that the thickness of the flexible screen 6 wound on the second winding roller 7 is larger and larger, the length of the flexible screen 6 wound and released by the flexible screen 6 is different, and the flexible screen 6 is possibly damaged are avoided.

As shown in fig. 9 and 10, the second pulley 74 is gradually increased, so that the required belts 54 are gradually increased, and the bearing block 62 gradually moves towards the second pulley 74, when the flexible screen 6 is displayed and the economic statistical data collection is completed, at this time, the motor 2 stops working, and the round block 63 on the bearing block 62 abuts against the round table 66 on the second pulley 74, so that the round table 66 slides towards the connecting block 64, and the gas in the second pulley 74 is discharged, and then the torsion spring 75 releases the pressure, so that the second wind-up roller 7 and the first wind-up roller 5 both rotate rapidly, and the displayed and collected flexible screen 6 is rapidly reset.

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. The utility model provides a convenient to use's economic statistics data collection system, includes bearing plate (1) and collection module, the collection module has been placed on bearing plate (1), its characterized in that: the bearing plate (1) is fixedly connected with a motor frame (21), a first supporting plate (3) and a supporting frame (11), the motor frame (21) is fixedly connected with a motor (2), an output end of the motor (2) is fixedly connected with an output shaft, one end of the output shaft far away from the motor (2) is fixedly connected with a single disc (22), one end of the single disc (22) close to the motor (2) is fixedly connected with a pin column (23), the first supporting plate (3) is fixedly connected with a rotating shaft (31), one end of the rotating shaft (31) far away from the first supporting plate (3) is fixedly connected with a fixed shaft on the supporting frame (11), the supporting frame (11) is fixedly connected with three triangle showing frames (4), three transformation mechanisms for transforming economic statistical data are arranged in the triangle showing frames (4), and a three-wing disc (32) and a three-wing cam (33) are fixedly connected to an arc outline of the rotating shaft (31), three pin grooves used for being matched with the pin columns (23) are formed in the three-wing disc (32), and a rotating mechanism used for rotating and displaying the triangular display rack (4) is arranged on the rotating shaft (31).

2. An economic statistical data collection device of claim 1, wherein: slewing mechanism is including three first conical gear (34) of fixed connection on axis of rotation (31) arc profile, and is three the lower fixed surface of triangle show shelf (4) is connected with three first pivot pole (41) that all run through support frame (11), every the equal fixedly connected with of one end of triangle show shelf (4) and the equal meshing of every first conical gear (34) second conical gear (42) are kept away from in first pivot pole (41).

3. An economic statistical data collection device of claim 1, wherein: the conversion mechanism is including N shape pole (35), seted up the spout on support frame (11) and through spout and the spacing sliding connection of N shape pole (35), the one end that N shape pole (35) are close to three wing disc (32) offsets with three wing cam (33), seted up three rotary trough on N shape pole (35) and through rotary trough dead axle rotation be connected with three telescopic link (43), the equal fixed connection of one end of N shape pole (35) is kept away from in every telescopic link (43) is on the inner wall of triangle show shelf (4), every telescopic link (43) are close to three rack of one end fixedly connected with (44) of N shape pole (35), every fixedly connected with supports ring (45) on the arc profile of telescopic link (43).

4. An economic statistical data collection device of claim 3, wherein: the transformation structure further comprises six second supporting plates (52) fixedly connected to the inner wall of each triangular display frame (4), every two second supporting plates (52) are axially and rotatably connected with a second rotating rod (51) and a third rotating rod (71) on opposite faces of the second supporting plates (52), each second rotating rod (51) is fixedly connected with a first winding roller (5) used for releasing the flexible screen (6) and displaying the flexible screen, each third rotating rod (71) is fixedly connected with a second winding roller (7) used for winding up the displayed flexible screen (6), each third rotating rod (71) is fixedly connected with a lantern ring (77) on the arc profile, each lantern ring (77) is fixedly connected with a plurality of groups of flexible fixture blocks (76), and each lantern ring (77) is sleeved with a flat gear (73), each flat gear (73) is provided with a plurality of groups of flexible clamping grooves (72) used for being matched with a plurality of groups of flexible clamping blocks (76), and each flat gear (73) is meshed with the rack (44).

5. An economic statistical data collection device of claim 4, wherein: the change mechanism is still including belt (54), every equal fixedly connected with first pulley (53), every on the arc profile of second dwang (51) equal fixedly connected with second pulley (74), every on the arc profile of third dwang (71) second pulley (74) pass through belt (54) transmission with first pulley (53) and are connected.

6. An economic statistical data collection device of claim 3, wherein: each triangular display rack (4) is provided with an adjusting mechanism for adjusting the rotation amplitude of the third rotating rod (71), adjustment mechanism is including supporting shoe (81) of fixed connection on the inner wall of every triangle show shelf (4), every the equal fixedly connected with piston cylinder (8) of upper surface of supporting shoe (81), every equal axially sliding connection has sealing plug (88), every on the inner wall of piston cylinder (8) equal fixedly connected with runs through piston rod (82) of piston cylinder (8) on sealing plug (88), every the equal fixedly connected with of one end that sealing plug (88) were kept away from in piston rod (82) with support piece (83) that support ring (45) offset, every first spring (89) have all been placed in piston cylinder (8), every the both ends of first spring (89) respectively with sealing plug (88) and piston cylinder (8) fixed connection.

7. An economic statistical data collection device convenient to use according to claim 5 or 6, characterized in that: the adjustment mechanism is still including intake pipe (86) and gas-supply pipe (85), every piston cylinder (8) are gone up all fixed intercommunication have with external communicating intake pipe (86), every piston cylinder (8) are all through gas-supply pipe (85) and the fixed intercommunication of second leather pulley (74) that run through second backup pad (52) and third dwang (71), every equal fixedly connected with check valve (87) are gone up in intake pipe (86) and gas-supply pipe (85).

8. An economic statistical data collection device convenient to use according to claim 4 or 6, characterized in that: be equipped with the canceling release mechanical system who is used for the collection system to reset on supporting shoe (81), canceling release mechanical system is including second spring (61) that fixed connection is close to second leather-wheel (74) one end in supporting shoe (81), every the equal fixedly connected with bearing block (62) of one end that supporting shoe (81) were kept away from in second spring (61), every the spout has all been seted up on bearing block (62) and through spout and belt (54) sliding connection, every the equal fixed connection circle piece (63) of one end that bearing block (62) are close to second leather-wheel (74), every torsional spring (75) have all been cup jointed on third dwang (71).

9. An economic statistical data collection device of claim 8, wherein: the resetting mechanism is still including connecting block (64) of fixed connection in second leather wheel (74), every connecting block (64) are close to the equal fixedly connected with third spring (65) of one end of bearing block (62), every the equal fixedly connected with round platform (66) of one end of connecting block (64) are kept away from in third spring (65), every all seted up the through-hole on second leather wheel (74) and have round platform (66), every through-hole equal axial sliding connection round platform (66) all are located the face-to-face of round piece (63).