CN114859643A

CN114859643A - Rural modern distance is effect analytical equipment for education

Info

Publication number: CN114859643A
Application number: CN202210609635.6A
Authority: CN
Inventors: 魏娜
Original assignee: Hunan University of Arts and Science
Current assignee: Hunan University of Arts and Science
Priority date: 2022-05-31
Filing date: 2022-05-31
Publication date: 2022-08-05

Abstract

The invention relates to the technical field of remote education, and discloses an effect analysis device for rural modern remote education, which comprises a stand column, wherein the top of the stand column is fixedly connected with a vertical plate, the upper side and the lower side of the vertical plate are respectively and movably provided with a mounting frame, a shell is arranged on the mounting frame, a curtain is arranged at the lower part of the shell, the bottom of the curtain is fixedly connected with a bottom plate, a winding component is arranged in the middle of the shell, the curtain can be collected into the shell through the winding component, and the winding component is arranged on the mounting frame. The dust on the surface of the curtain can be removed while the curtain is retracted, and the surface of the curtain is kept clean.

Description

Rural modern distance is effect analytical equipment for education

Technical Field

The invention relates to the technical field of remote education, in particular to an effect analysis device for rural modern remote education.

Background

Implementing modern distance education is a need to promote the balanced development of basic education. The information technology education is popularized in middle and primary schools, and the information technology is utilized to enable rural areas to obtain high-quality resources, so that the method has important practical significance for strengthening and improving two bases, and has important effects on improving the basic education level, promoting the balanced development of education and improving the quality of the whole people. The aim of implementing the modern long-distance teaching project of the rural primary and secondary schools is to provide optical disks and equipment for the rural primary and secondary school teaching points in the whole country, provide high-quality teaching resources for students in the optical disks, enable rural junior middle school students to share high-quality education resources as well as town junior middle schools and receive information technology education.

In order to make the healthy development of modern distance education engineering, the effect of each area distance education needs to be analyzed, thereby summarize network distance education recent development current situation and trend, among the prior art, use the data that the projecting apparatus will make statistics of and the conclusion that the analysis obtained to project to the curtain usually and demonstrate, however, the curtain is mostly perpendicular to ground and can not angle regulation after the support of support, and, draw in back volume great, be not convenient for carry and transport, in addition, after the curtain used for a long time, the surface probably adheres to there is more dust, inconvenient cleanness, and influence and watch the effect.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides an effect analysis device for rural modern distance education, which solves the problems in the background art.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: an effect analysis device for rural modern distance education comprises a stand column, wherein a vertical plate is fixedly connected to the top of the stand column, mounting frames are movably mounted on the upper side and the lower side of the vertical plate respectively, a shell is mounted on the mounting frames, a curtain is arranged on the lower portion of the shell, a bottom plate is fixedly connected to the bottom of the curtain, a winding component is arranged in the middle of the shell, the curtain can be taken into the shell through the winding component, the winding component comprises fixing blocks, the fixing blocks are provided with two groups of symmetrical fixing blocks which are fixedly connected to the inner walls of the tops of the two ends of the shell, winding rollers are rotatably mounted on the two sides of the lower portion of the fixing blocks in the middle of the lower portion, one end of the curtain penetrates through the bottom of the shell and is provided with a long groove and is fixedly connected to the side edges of the winding rollers, a rotating shaft is rotatably mounted in the interior of the winding rollers, one end of the rotating shaft penetrates to the outer side of the shell and is fixedly connected with a rotary table on the end portion, the edge position of the outer side of the rotary table is fixedly connected with a rotary handle, the upper side and the lower side of the inner wall of the winding roller are symmetrically provided with a second sliding groove, the side edge of the rotary shaft is fixedly connected with a sliding block, and the sliding block is slidably arranged in the second sliding groove;

each group of mounting frames comprises two moving blocks arranged at intervals, the two moving blocks are respectively arranged in a first sliding groove formed in the middle of a vertical plate in a sliding mode, the front ends of the two moving blocks extend to the outer side of the first sliding groove, the front ends of the two moving blocks are respectively and fixedly connected with a second connecting plate, the middle part of the second connecting plate is fixedly connected with a mounting plate, the mounting plates on two sides are respectively and rotatably mounted on opposite side edges of two discs, the discs on two sides are respectively and rotatably mounted with a second supporting rod, one end, far away from the discs, of the second supporting rod is rotatably mounted with a supporting block, a mounting groove is formed in the supporting block, a transverse groove is formed in the side edge of the mounting groove, a plug connector is movably mounted in the mounting groove and comprises a ball head part rotatably arranged in the mounting groove, the side edge of the ball head part is fixedly connected with a supporting block, and the plug part extends to the front end of the supporting block, casing back fixedly connected with connecting plate one, multiunit jack one has been seted up to one side that the casing was kept away from to connecting plate one, jack one and inserted bar portion adaptation, the arc track of semicircle form has been seted up to mounting panel bilateral symmetry, the arc track link up the mounting panel, the side fixedly connected with threaded rod one of disc and mounting panel laminating, a threaded rod tip runs through the arc track and extends to the mounting panel opposite side, threaded rod tip way-going threaded connection has fixation nut one.

Preferably, the dust cleaning component is arranged below the inner parts of the two ends of the shell, dust on the surface of the curtain can be removed in the process of withdrawing the curtain through the dust cleaning component, the dust cleaning component comprises movable rods arranged inside the two ends of the shell, each group of movable rods is provided with two groups which are symmetrically arranged on the two sides of a rotating shaft, the bottom ends of the movable rods extend to the opening of an elongated slot below the shell, the top ends of the movable rods are arranged on the two sides of the rotating shaft in the transverse direction, a fixed frame is fixedly connected at the position below the rotating shaft inside the shell, the movable rods are rotatably arranged in the middle of the fixed frame, transverse plates are fixedly connected at the bottoms of the opposite side edges of the two movable rods on the same side of the rotating shaft, cleaning brushes are respectively and fixedly arranged on the opposite side edges of the transverse plates on the two sides, an inward groove is formed in the corresponding position of the rotating shaft and the movable rods, the top parts of the movable rods are arranged in the inward grooves, and baffle plates are fixedly connected on the side walls on the two sides of the elongated slot, and a second spring is fixedly connected between the baffle plates on the two sides and the side wall of the bottom of the movable rod.

Preferably, the support assembly is movably mounted on the stand column and comprises an internal thread sleeve, an external thread is arranged on the outer wall of the stand column, the internal thread sleeve is in threaded connection with the stand column, a moving ring is rotatably mounted below the internal thread sleeve and is slidably sleeved on the stand column, the bottom of the stand column is fixedly connected with a fixing ring, a first support rod is rotatably mounted on the side edge of the moving ring, the first support rod is provided with three groups, an inclined support rod is rotatably mounted in the middle of the first support rod, and the bottom end of the inclined support rod is rotatably mounted on the side edge of the fixing ring.

Preferably, the inside chamber that holds of having seted up of shank end portion, it communicates with each other with the external world to hold chamber bottom, movable mounting has the joint post in holding the chamber, the joint post runs through and extends to the shank portion bottom outside, the joint post is located shank portion outside one end and sets to the button head form, movable mounting has the spring one that makes the joint post reset in holding the chamber, a draw-in groove has been seted up on an inner wall of jack and the joint post corresponding position, draw-in groove and joint post adaptation.

Preferably, two sides of the back side of the bottom plate are respectively provided with a plurality of groups of second jacks.

Preferably, the bottom of the supporting rod is sleeved with an anti-slip sleeve, and the anti-slip sleeve is made of rubber.

Preferably, a through groove is formed in the middle of the vertical plate, a second threaded rod is fixedly connected to the middle of the back of the moving block, the end of the second threaded rod penetrates through the through groove and extends to the back side of the vertical plate, and a second fixing nut is mounted on the second threaded rod in a threaded mode.

Preferably, the stand side has seted up the spacing groove, shift ring inner wall fixedly connected with stopper, the stopper slides and sets up in the spacing groove.

(III) advantageous effects

The invention provides an effect analysis device for rural modern distance education, which has the following beneficial effects:

1. according to the curtain, the mounting frame is arranged, when the curtain is used, the two moving blocks in the mounting frame are extruded to enable the two moving blocks to move close to each other along the first sliding groove, so that the supporting blocks on the two sides can be pushed to move towards the two sides through the second supporting rod, the inserting rod parts of the inserting pieces are inserted into the first inserting holes in the back face of the first connecting plate, the shell can be fixedly mounted on the mounting frame, the curtain can be vertically put down from the shell to be used, the modern remote teaching effect in rural areas is projected onto the curtain through the projector, the benefits and the deficiencies of remote teaching can be conveniently analyzed and summarized, and the remote teaching is improved.

2. By loosening the first fixing nut, then enabling the discs on the two sides to rotate towards the middle at the same time, driving the second supporting rods and the supporting blocks on the two sides to rotate forwards at a moving angle while rotating the discs until the plug connectors rotate towards the transverse grooves at a certain angle, enabling the inserting rod parts on the two sides to be perpendicular to the vertical plates all the time, then rotating the first threaded rods along the arc-shaped tracks, screwing the first fixing nuts to fix the first threaded rods, finally installing the first connecting plates on the inserting rod parts to fix the position of the shell, extruding and expanding the mounting frame positioned below by adopting the same method, enabling the second supporting rods and the supporting blocks on the two sides in the mounting frame positioned below to be positioned on the same straight line, enabling the supporting blocks in the mounting frame positioned above to exceed the supporting blocks in the mounting frame positioned below by a distance, and inserting the second inserting holes in the back of the bottom plate on the plug connectors on the supporting blocks below, thereby make the whole state that presents the slope of curtain, conveniently adjust the inclination of curtain according to actual conditions, satisfy and watch the requirement.

3. The use that does not take off the casing, later to both sides pulling movable block for bracing piece two and supporting shoe draw close towards the riser as far as possible, in addition, through folding drawing in with supporting component, thereby can reduce the device and occupy space, conveniently deposit.

4. Through setting up the deashing subassembly, when the curtain is withdrawed to needs, promote earlier and change the inside removal of axial casing, the in-process that the pivot removed, make the movable rod move to the rake along the smooth portion in invagination groove, later shift out the invagination groove, the joint is in the pivot both sides, make both sides movable rod bottom draw close to the centre through lever principle this moment, make cleaning brush and curtain surface contact, later rotate the drive carousel through changeing, and then drive the pivot and rotate, it withdraws the curtain to drive the winding up roller rotation, detach the dust on curtain surface through the cleaning brush when withdrawing, thereby keep the curtain surface clean, avoid the curtain dust to pile up and influence subsequent use.

Drawings

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

FIG. 2 is a partial cross-sectional view of the present invention;

FIG. 3 is a schematic structural view of a mount of the present invention;

FIG. 4 is a rear elevational view of the present invention;

FIG. 5 is a side partial cross-sectional view of the present invention;

FIG. 6 is a schematic structural view of the support assembly of the present invention;

FIG. 7 is an enlarged view of the structure at A of the present invention;

FIG. 8 is an enlarged view of the structure at B of the present invention;

FIG. 9 is a schematic view of the connection between the second sliding groove inside the winding roller and the sliding block on the rotating shaft according to the present invention;

FIG. 10 is a schematic view of the movable rod, cross plate and cleaning brush attachment of the present invention.

In the figure: 1. a column; 2. a vertical plate; 21. a first sliding chute; 22. a through groove; 3. a housing; 31. a first connecting plate; 32. a first jack; 33. a long groove; 34. a card slot; 4. a curtain; 5. a base plate; 51. a second jack; 6. A winding component; 61. a turntable; 62. turning a handle; 63. a rotating shaft; 64. a winding roller; 65. a fixed block; 66. an invagination groove; 67. a second chute; 68. a slider; 7. a support assembly; 71. an internally threaded sleeve; 72. a moving ring; 73. a first supporting rod; 74. an anti-slip sleeve; 75. a limiting groove; 76. a limiting block; 77. a fixing ring; 78. A diagonal brace; 8. a mounting frame; 81. a moving block; 82. a second connecting plate; 83. mounting a plate; 84. a disc; 85. a first threaded rod; 86. fixing a first nut; 87. an arc-shaped track; 88. a second supporting rod; 89. a support block; 810. a transverse groove; 811. a plug-in unit; 8111. a ball head portion; 8112. a plug-in section; 8113. a clamping column; 8114. a first spring; 812. a second threaded rod; 813. fixing a second nut; 814. mounting grooves; 9. A soot cleaning assembly; 91. a movable rod; 92. a fixed mount; 93. a transverse plate; 94. a cleaning brush; 95. a second spring; 96. and a baffle plate.

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.

As shown in fig. 1 to 10, the present invention provides a technical solution: an effect analysis device for rural modern distance education comprises a vertical column 1, wherein the top of the vertical column 1 is fixedly connected with a vertical plate 2, the upper side and the lower side of the vertical plate 2 are respectively and movably provided with a mounting rack 8, a shell 3 is arranged on the mounting rack 8, the lower part of the shell 3 is provided with a curtain 4, the bottom of the curtain 4 is fixedly connected with a bottom plate 5, the middle of the shell 3 is provided with a rolling component 6, the curtain 4 can be accommodated into the shell 3 through the rolling component 6, the rolling component 6 comprises a fixed block 65, the fixed block 65 is provided with two groups of symmetrical fixed blocks which are fixedly connected on the inner walls of the tops of the two ends of the shell 3, a roller 64 is rotatably arranged in the middle of the lower parts of the fixed blocks 65 of the two sides, one end of the curtain 4 penetrates through the bottom of the shell 3 and is provided with a long groove 33 and is fixedly connected on the side edge of the roller 64, a rotating shaft 63 is rotatably arranged in the rolling roller 64, one end of the rotating shaft 63 penetrates and extends to the outer side of the shell 3, and is fixedly connected with a turntable 61, the edge position of the outer side of the turntable 61 is fixedly connected with a rotating handle 62, the upper side and the lower side of the inner wall of the winding roller 64 are symmetrically provided with a second sliding groove 67, the side of the rotating shaft 63 is fixedly connected with a sliding block 68, the sliding block 68 is arranged in the second sliding groove 67 in a sliding manner, in use, the upright post 1 and the vertical plate 2 are supported by the supporting component 7, then the mounting rack 8 is propped open, the mounting rack 8 is moved to a proper position along the vertical plate 2, the shell 3 is mounted on the mounting rack 8, then the curtain 4 is put down, further the modern rural distance teaching effect can be projected onto the curtain 4 through the projector, the benefit and the deficiency of the distance teaching can be conveniently summarized, the perfect distance teaching is promoted, when the curtain 4 needs to be retracted, the rotating handle 62 drives the turntable 61 to rotate, further drives the rotating shaft 63 to rotate, the sliding block 68 is inserted into the second sliding groove 67, thereby driving the winding roller 64 to rotate through the rotating shaft 63 and the sliding block 68, the curtain 4 is rolled and collected on the rolling roller 64, so that the curtain 4 can be collected in the shell 3, and the curtain is convenient to carry and store;

each group of mounting frames 8 comprises two moving blocks 81 arranged at intervals, the two moving blocks 81 are respectively arranged in a sliding groove I21 formed in the middle of a vertical plate 2 in a sliding mode, the front ends of the two moving blocks 81 extend to the outer side of the sliding groove I21, the front ends of the two moving blocks 81 are respectively fixedly connected with a connecting plate II 82, the middle part of the connecting plate II 82 is fixedly connected with a mounting plate 83, opposite sides of the mounting plates 83 on two sides are respectively rotatably provided with two circular discs 84, opposite sides of the circular discs 84 on two sides are respectively rotatably provided with a supporting rod II 88, one end, far away from the circular disc 84, of the supporting rod II 88 is rotatably provided with a supporting block 89, a mounting groove 814 is formed in the supporting block 89, the side of the mounting groove 814 is provided with a transverse groove 810, a plug connector 811 is movably mounted in the mounting groove 814, the plug connector 811 comprises a ball head part 8111 rotatably arranged in the mounting groove 814, the side of the ball head part 8111 is fixedly connected with a plug part 8112, and the plug part 8112 extends to the front end of the supporting block 89, the back of the shell 3 is fixedly connected with a first connecting plate 31, one side of the first connecting plate 31, which is far away from the shell 3, is provided with a plurality of groups of first jacks 32, the first jacks 32 are matched with the first insertion rod part 8112, the two sides of the mounting plate 83 are symmetrically provided with semicircular arc-shaped tracks 87, the arc-shaped tracks 87 penetrate through the mounting plate 83, the side edges of the disc 84, which is attached to the mounting plate 83, are fixedly connected with a first threaded rod 85, the end part of the first threaded rod 85 penetrates through the arc-shaped tracks 87 and extends to the other side of the mounting plate 83, the upper threads of the end part of the first threaded rod 85 are connected with first fixing nuts 86, when in use, the two moving blocks 81 move along the first sliding grooves 21 and move close to each other, so that the supporting blocks 89 at the two sides can be pushed by a second supporting rod 88 to move towards the two sides, then the first insertion rod part 8112 of the plug connector 811 is inserted into the first jacks 32 at the back of the first connecting plate 31, so that the shell 3 can be fixedly mounted on the mounting frame 8, then the curtain 4 can be put down vertically from the shell 3 for use, in addition, the disks 84 on the two sides are simultaneously rotated towards the middle by loosening the first fixing nut 86, the disks 84 rotate and simultaneously drive the support rods 88 and the support blocks 89 on the two sides to rotate forwards together by a certain angle until the plug connector 811 rotates towards the transverse groove 810, so that the plug rod parts 8112 on the two sides are always relatively vertical to the vertical plate 2, then the first threaded rod 85 rotates along the arc-shaped track 87, the first fixing nut 86 is screwed down to fix the first threaded rod 85, finally the first connecting plate 31 is installed on the plug rod parts 8112, the position of the shell 3 is fixed, the mounting rack 8 positioned below is extruded and spread by adopting the same method, the support rods 88 and the support blocks 89 on the two sides in the mounting rack 8 positioned below are positioned on the same straight line, so that the support blocks 89 in the mounting rack 8 positioned above exceed the lower mounting rack by a certain distance, the two 51 jack sockets on the back of the bottom plate 5 are inserted into the connector clips 811 on the supporting block 89 below, so that the curtain 4 is in an inclined state, the inclination angle of the curtain 4 can be adjusted conveniently according to actual conditions, and the watching requirement is met. When the device is not used, the shell 3 is taken down, and then the moving block 81 is pulled towards two sides, so that the two support rods 88 and the support blocks 89 are drawn towards the vertical plate 2 as much as possible, the occupied space can be reduced, and the device is convenient to store.

Furthermore, the dust cleaning component 9 is arranged below the inner part of the two ends of the shell 3, the dust on the surface of the curtain 4 can be cleaned in the process of withdrawing the curtain 4 through the dust cleaning component 9, the dust cleaning component 9 comprises movable rods 91 arranged inside the two ends of the shell 3, each group of movable rods 91 is provided with two groups which are symmetrically arranged on the two sides of the rotating shaft 63, the bottom ends of the movable rods 91 extend to the opening of the long groove 33 below the shell 3, the top ends of the movable rods 91 are arranged on the two sides of the transverse direction of the rotating shaft 63, a fixed frame 92 is fixedly connected at the position below the rotating shaft 63 inside the shell 3, the movable rods 91 are rotatably arranged in the middle of the fixed frame 92, the bottoms of the opposite side edges of the two movable rods 91 on the same side of the rotating shaft 63 are fixedly connected with transverse plates 93, the opposite side edges of the transverse plates 93 on the two sides are respectively and fixedly provided with cleaning brushes 94, the corresponding positions of the rotating shaft 63 and the movable rods 91 are provided with inner grooves 66, the tops of the movable rods 91 are arranged in the inner grooves 66, when the curtain is used, when the curtain 4 is put down, the movable rod 91 is positioned at the smooth part of the inner recessed groove 66, the movable rod 91 is in a vertical state under the supporting action of the spring two 95, the cleaning brush 94 at the bottom of the movable rod 91 is not contacted with the curtain 4, so that the curtain 4 can be easily put down, when the curtain 4 is required to be retracted, the rotating shaft 63 is pushed to move towards the inside of the shell 3, in the moving process of the rotating shaft 63, the movable rod 91 moves to the inclined part along the smooth part of the inner recessed groove 66 and then moves out of the inner recessed groove 66 to be clamped at two sides of the rotating shaft 63, the bottoms of the movable rods 91 at two sides are close to the middle through the lever principle, so that the cleaning brush 94 is contacted with the surface of the curtain 4, then, the rotating shaft 63 is rotated to drive the winding roller 64 to rotate to withdraw the curtain 4, and dust on the surface of the curtain 4 is removed by the cleaning brush 94 while withdrawing, so that the surface of the curtain 4 is kept clean, and the influence of dust accumulation on the curtain 4 on subsequent use is avoided.

Further, the supporting component 7 is movably mounted on the stand column 1, the supporting component 7 includes an internal thread sleeve 71, an external thread is arranged on the outer wall of the stand column 1, the internal thread sleeve 71 is in threaded connection with the stand column 1, a moving ring 72 is rotatably mounted below the internal thread sleeve 71, the moving ring 72 is slidably sleeved on the stand column 1, a fixed ring 77 is fixedly connected to the bottom of the stand column 1, a first supporting rod 73 is rotatably mounted on the side edge of the moving ring 72, the first supporting rod 73 has three groups, an inclined supporting rod 78 is rotatably mounted in the middle of the first supporting rod 73, the bottom end of the inclined supporting rod 78 is rotatably mounted on the side edge of the fixed ring 77, in use, the internal thread sleeve 71 is enabled to move downwards along the stand column 1 by rotating the internal thread sleeve 71, the moving ring 72 is simultaneously pushed to move downwards, the first supporting rod 73 is then propped off by the inclined supporting rod 78, the first supporting rod 73 is supported on the ground, and therefore, the stand column 1, the supporting component 7, Riser 2 and top structure support, and the time spent not can be folded supporting component 7 and withdrawed, reduces and occupies space, conveniently deposits.

Further, the inside chamber that holds of having seted up of inserted bar portion 8112 tip, hold the chamber bottom and communicate with each other with the external world, movable mounting has joint post 8113 in holding the chamber, joint post 8113 runs through and extends to the bottom outside of inserted bar portion 8112, joint post 8113 is located inserted bar portion 8112 outside one end and sets to the button head form, movable mounting has a spring 8114 that makes joint post 8113 reset in holding the chamber, seted up draw-in groove 34 on a 32 inner wall of jack and the joint post 8113 corresponding position, draw-in groove 34 and joint post 8113 adaptation, during the use, when inserted bar portion 8112 pegs graft in jack 32, make joint post 8113 joint in draw-in groove 34 under spring 8114's elastic action, thereby can make more firm that inserted bar portion 8112 and jack 32 are connected, avoid droing.

Further, two 51 multiunit jacks have been seted up respectively on 5 dorsal side both sides of bottom plate, can install bottom plate 5 on the mounting bracket 8 that is located the below through setting up two 51 jacks, in order to tighten curtain 4, be difficult for the free and convenient rocking, conveniently watch, and another convenience can be used for adjusting the inclination of curtain 4, satisfies and watches the requirement.

Furthermore, the bottom of the first supporting rod 73 is sleeved with an anti-slip sleeve 74, the anti-slip sleeve 74 is made of rubber materials, and sliding is avoided, so that the device is more stable in use.

Further, be provided with logical groove 22 in the middle of riser 2, two 812 fixed connection threaded rods in the middle of the movable block 81 back, two 812 tip of threaded rod run through logical groove 22 and extend to riser 2 dorsal part, two 813 of threaded rod is gone up the threaded mounting and is had two 813 of fixation nut, can change the position of movable block 81 through setting up two 812 and two 813 of threaded rod way to can adjust the height of curtain 4 as required.

Further, a limit groove 75 has been seted up to stand 1 side, and shift ring 72 inner wall fixedly connected with stopper 76, stopper 76 slide and set up in limit groove 75, make shift ring 72 can only reciprocate along stand 1 through setting up limit groove 75 and stopper 76.

In conclusion, the working process of the invention is as follows: when the curtain is used, the upright post 1 and the vertical plate 2 are supported by the supporting component 7, the two moving blocks 81 in the mounting frame 8 are extruded to enable the two moving blocks 81 to move along the first sliding groove 21 to be close to each other, so that the supporting blocks 89 on the two sides can be pushed to move towards the two sides by the supporting rods 88, then the inserting rod parts 8112 of the inserting pieces 811 are inserted into the inserting holes 32 on the back surface of the first connecting plate 31, the shell 3 can be fixedly mounted on the mounting frame 8, then the curtain 4 can be vertically put down from the shell 3 for use, in addition, the first fixing nut 86 is loosened, then the discs 84 on the two sides simultaneously rotate towards the middle, the discs 84 rotate and simultaneously drive the supporting rods 88 and the supporting blocks 89 on the two sides to rotate forwards together by a certain angle until the inserting pieces 811 rotate towards the transverse groove 810, and the inserting rod parts 8112 on the two sides are always relatively vertical to the vertical plate 2, afterwards, the first threaded rod 85 is rotated along the arc-shaped track 87, the first fixing nut 86 is screwed down to fix the first threaded rod 85, and finally the first connecting plate 31 is installed on the rod inserting portion 8112, so that the shell 3 is fixed in position, the installation frame 8 below is squeezed and spread by the same method, the second supporting rods 88 and the second supporting blocks 89 on the two sides in the installation frame 8 below are located on the same straight line, therefore, the supporting blocks 89 in the installation frame 8 above exceed the supporting blocks 89 in the installation frame 8 below by a distance, the second inserting holes 51 on the back of the bottom plate 5 are inserted into the plug connectors 811 on the supporting blocks 89 below, so that the curtain 4 is integrally inclined, the inclination angle of the curtain 4 can be conveniently adjusted according to actual conditions, and the viewing requirements are met. When the curtain 4 needs to be taken back, the rotating shaft 63 is pushed to move towards the inside of the shell 3, in the moving process of the rotating shaft 63, the movable rod 91 is made to move to the inclined part along the smooth part of the inward recessed groove 66 and then is moved out of the inward recessed groove 66 to be clamped at two sides of the rotating shaft 63, the bottoms of the movable rods 91 at two sides are made to move towards the middle by the lever principle, the cleaning brush 94 is made to be in surface contact with the curtain 4, then the rotating handle 62 is used for driving the rotating disc 61 to rotate, the rotating shaft 63 is driven to rotate, the sliding block 68 is inserted into the sliding groove two 67, the rolling roller 64 is driven to rotate by the rotating shaft 63 and the sliding block 68, the curtain 4 is rolled on the rolling roller 64, and can be taken in the curtain 4 shell 3, thereby conveniently carry and deposit, get back when getting back and detach the dust on curtain 4 surface through cleaning brush 94 to keep curtain 4 surface clean, avoid curtain 4 dust to pile up the follow-up use of influence.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 rural modern distance is effect analytical equipment for education which characterized in that: comprises a stand column (1), a vertical plate (2) is fixedly connected to the top of the stand column (1), a mounting rack (8) is movably mounted on each of the upper side and the lower side of the vertical plate (2), a housing (3) is mounted on the mounting rack (8), a curtain (4) is arranged on the lower portion of the housing (3), a bottom plate (5) is fixedly connected to the bottom of the curtain (4), a winding component (6) is arranged in the middle of the housing (3), the curtain (4) can be taken into the housing (3) through the winding component (6), the winding component (6) comprises a fixing block (65), the fixing block (65) is provided with two groups of symmetrical fixing connections on the inner walls at the top of the two ends of the housing (3), a winding roller (64) is rotatably mounted in the middle of the lower portion of the fixing block (65), one end of the curtain (4) penetrates through the bottom of the housing (3) and is provided with a long groove (33) and fixedly connected to the side of the winding roller (64), a rotating shaft (63) is rotatably installed in the winding roller (64), one end of the rotating shaft (63) penetrates through the outer side of the shell (3) and extends to the outer side of the shell, a rotating disc (61) is fixedly connected to the end part of the rotating shaft (63), a rotating handle (62) is fixedly connected to the outer edge position of the rotating disc (61), sliding grooves II (67) are symmetrically formed in the upper side and the lower side of the inner wall of the winding roller (64), sliding blocks (68) are fixedly connected to the side edge of the rotating shaft (63), and the sliding blocks (68) are slidably arranged in the sliding grooves II (67);

each group of mounting frames (8) comprises two moving blocks (81) arranged at intervals, the two moving blocks (81) are respectively arranged in a first sliding groove (21) formed in the middle of a vertical plate (2) in a sliding mode, the front ends of the two moving blocks (81) extend to the outer side of the first sliding groove (21), the front ends of the two moving blocks (81) are respectively and fixedly connected with a second connecting plate (82), the middle of the second connecting plate (82) is fixedly connected with a mounting plate (83), two discs (84) are respectively and rotatably mounted on opposite side edges of the mounting plate (83) on two sides, a second supporting rod (88) is respectively and rotatably mounted on opposite side edges of the discs (84) on two sides, a supporting block (89) is rotatably mounted at one end, far away from the discs (84), of the second supporting rod (88), a mounting groove (814) is formed in the supporting block (89), and a transverse groove (810) is formed in the side edge of the mounting groove (814), movable mounting has plug connector (811) in mounting groove (814), plug connector (811) is including rotating bulb portion (8111) that sets up in mounting groove (814), bulb portion (8111) side fixedly connected with inserted bar portion (8112), inserted bar portion (8112) run through and extend to supporting shoe (89) front end, casing (3) back fixedly connected with connecting plate (31), casing (3) was kept away from in connecting plate (31) one side seted up multiunit jack one (32), jack one (32) and inserted bar portion (8112) adaptation, the arc track (87) of seting up the semicircle form of mounting panel (83) bilateral symmetry, arc track (87) link up mounting panel (83), the side fixedly connected with threaded rod one (85) of disc (84) and mounting panel (83) laminating, an (85) tip runs through arc track (87) and extends to mounting panel (83) opposite side, and a first fixing nut (86) is connected to the upper thread of the end part of the first threaded rod (85).

2. The effect analysis device for rural modern distance education according to claim 1, characterized in that: the dust removing device is characterized in that dust removing assemblies (9) are arranged below the inner portions of two ends of the shell (3), dust on the surface of the curtain (4) can be removed in the process of withdrawing the curtain (4) through the dust removing assemblies (9), each dust removing assembly (9) comprises two groups of movable rods (91) arranged inside two ends of the shell (3), each group of movable rods (91) is symmetrically arranged on two sides of the rotating shaft (63), the bottom ends of the movable rods (91) extend to the opening of a long groove (33) below the shell (3), the top ends of the movable rods (91) are arranged on two sides of the rotating shaft (63) in the transverse direction, a fixed frame (92) is fixedly connected to the position below the rotating shaft (63) inside the shell (3), the movable rods (91) are rotatably arranged in the middle of the fixed frame (92), two movable rods (91) on the same side of the rotating shaft (63) are fixedly connected with transverse plates (93) at the bottoms of opposite side edges of the movable rods (91), both sides diaphragm (93) relative side respectively fixed mounting have cleaning brush (94), sunken groove (66) have been seted up with movable rod (91) corresponding position in pivot (63), movable rod (91) top sets up in sunken groove (66), fixedly connected with baffle (96) on elongated slot (33) both sides lateral wall, both sides fixedly connected with spring two (95) between baffle (96) and movable rod (91) bottom lateral wall.

3. The effect analysis device for rural modern distance education according to claim 1, characterized in that: the movable mounting support component (7) is arranged on the stand column (1), the support component (7) comprises an internal thread sleeve (71), an external thread is arranged on the outer wall of the stand column (1), the internal thread sleeve (71) is in threaded connection with the stand column (1), a moving ring (72) is installed below the internal thread sleeve (71) in a rotating mode, the moving ring (72) is sleeved on the stand column (1) in a sliding mode, a fixing ring (77) is fixedly connected to the bottom of the stand column (1), a first support rod (73) is installed on the side edge of the moving ring (72) in a rotating mode, the first support rod (73) is provided with three groups, an inclined support rod (78) is installed in the middle of the first support rod (73) in a rotating mode, and the bottom end of the inclined support rod (78) is installed on the side edge of the fixing ring (77) in a rotating mode.

4. The effect analysis device for rural modern distance education according to claim 1, characterized in that: the inside chamber that holds of offering of shank (8112) tip, it communicates with each other with the external world to hold the chamber bottom, movable mounting has joint post (8113) in holding the chamber, joint post (8113) run through and extend to shank (8112) bottom outside, joint post (8113) are located shank (8112) outside one end and set the button head form into, movable mounting has spring one (8114) that makes joint post (8113) reset in holding the chamber, draw-in groove (34) have been seted up on a (32) inner wall of jack and joint post (8113) correspond the position, draw-in groove (34) and joint post (8113) adaptation.

5. The effect analysis device for rural modern distance education according to claim 1, characterized in that: and a plurality of groups of second jacks (51) are respectively arranged on two sides of the back side of the bottom plate (5).

6. The effect analysis device for rural modern distance education according to claim 3, characterized in that: the bottom of the first support rod (73) is sleeved with an anti-skidding sleeve (74), and the anti-skidding sleeve (74) is made of rubber materials.

7. The effect analysis device for rural modern distance education according to claim 1, characterized in that: a through groove (22) is formed in the middle of the vertical plate (2), a second threaded rod (812) is fixedly connected to the middle of the back face of the moving block (81), the end portion of the second threaded rod (812) penetrates through the through groove (22) and extends to the back side of the vertical plate (2), and a second fixing nut (813) is installed on the second threaded rod (812) in a threaded mode.

8. The effect analysis device for rural modern distance education according to claim 1, characterized in that: spacing groove (75) have been seted up to stand (1) side, shift ring (72) inner wall fixedly connected with stopper (76), stopper (76) slide and set up in spacing groove (75).