阅读说明：本技术 一种整合型高校数学教学装置 (Integrated college mathematical teaching device ) 是由 崔丽丽 于 2019-03-21 设计创作，主要内容包括：本发明公开了一种整合型高校数学教学装置,包括尺板一,所述尺板一的左端固定连接有尺板二,所述尺板二的左侧固定连接有吸附装置,所述吸附装置包括壳体,所述壳体的右侧开设有通孔并通过通孔限位转动有转轴,所述转轴的右端与尺板二的左侧固定连接,所述壳体内壁的底部固定连接有定位轴,所述定位轴的表面限位转动有齿轮一,所述齿轮一的左侧啮合有齿条一。本发明,通过上述结构之间的配合使用,解决了在实际使用过程中,由于磁块与黑板的吸附较为强烈,且尺板贴合于黑板上,使得尺板的取下较为不便,且在黑板上进行移动时,还会加剧磁块与黑板之间的摩擦,降低使用寿命,给使用带来不便的问题。(The invention discloses an integrated college mathematics teaching device which comprises a first ruler plate, wherein a second ruler plate is fixedly connected to the left end of the first ruler plate, an adsorption device is fixedly connected to the left side of the second ruler plate, the adsorption device comprises a shell, a through hole is formed in the right side of the shell, a rotating shaft is arranged on the right side of the shell in a limiting and rotating mode through the through hole, the right end of the rotating shaft is fixedly connected with the left side of the second ruler plate, a positioning shaft is fixedly connected to the bottom of the inner wall of the shell, a first gear is arranged on the surface of the positioning shaft in a limiting and rotating mode, and a first rack is meshed with. According to the invention, through the matching use of the structures, the problems that in the actual use process, the magnet and the blackboard are strongly adsorbed, and the ruler plate is attached to the blackboard, so that the ruler plate is inconvenient to take down, and when the ruler plate is moved on the blackboard, the friction between the magnet and the blackboard is aggravated, the service life is shortened, and the inconvenience is brought to the use are solved.)

1. The utility model provides an integration type colleges and universities mathematical education device, includes chi board (1), the left end fixedly connected with chi board two (2) of chi board (1), its characterized in that: the left side of the second ruler plate (2) is fixedly connected with an adsorption device (3);

the adsorption device (3) comprises a shell (4), a through hole is formed in the right side of the shell (4), a rotating shaft (5) is rotated in a limiting mode through the through hole, the right end of the rotating shaft (5) is fixedly connected with the left side of the ruler plate II (2), a positioning shaft (6) is fixedly connected with the bottom of the inner wall of the shell (4), a first gear (7) is rotated in a limiting mode on the surface of the positioning shaft (6), a first rack (8) is meshed with the left side of the first gear (7), the first rack (8) penetrates through the front side of the shell (4) and is movably connected with the shell (4), a second rack (9) is meshed with the right side of the first gear (7), a telescopic plate (10) is fixedly connected with the right side of the second rack (9), a magnetic block (11) is fixedly connected with the rear end of the telescopic plate (10) and penetrates through the rear side of the shell (4), and the rear side of the magnetic block (, a second gear (12) is fixedly connected to the surface of the rotating shaft (5) close to the left end, a first frame (13) and a second frame (14) are movably connected to the surface of the second gear (12), a pressure spring (15) is fixedly connected with the front side of the first frame (13), the front end of the pressure spring (15) is fixedly connected with the inner wall of the shell (4), a transmission rod (16) is fixedly connected to the left side of the first frame (13), the left end of the transmission rod (16) is fixedly connected with the right side of the telescopic plate (10), the rear side of the second frame (14) is fixedly connected with a swing arm (17), the swing arm (17) is rotatably connected with the bottom of the inner wall of the shell (4) through a pin shaft, a through groove (18) is arranged on the surface of the swing arm (17) close to the left end, the inner wall of the through groove (18) is movably connected with a guide post (19), the top of the guide column (19) is fixedly connected with the lower surface of the telescopic plate (10).

2. The integrated college mathematics teaching device according to claim 1, wherein: the number of the shells (4) is two, one of the shells (4) is fixedly connected with the left side of the second ruler plate (2) through the left end of the rotating shaft (5), and the other shell (4) is fixedly connected with the lower surface of the first ruler plate (1) through the top of the rotating shaft (5).

3. The integrated college mathematics teaching device according to claim 1, wherein: the fixed surface of pivot (5) is connected with two spacing rings (20), two the opposite face of spacing ring (20) is connected with the right side of casing (4) inner wall and the right side of casing (4) are rotated respectively.

4. The integrated college mathematics teaching device according to claim 1, wherein: the front end of the first rack (8) is fixedly connected with a button (21), and anti-skid grains are formed in the surface of the button (21).

5. The integrated college mathematics teaching device according to claim 1, wherein: the left side fixedly connected with slider (22) of rack (8), gliding spout (23) around supplying slider (22) are seted up on the left side of casing (4) inner wall.

6. The integrated college mathematics teaching device according to claim 1, wherein: the front end of the expansion plate (10) is provided with a groove and is movably connected with a positioning rod (24) through the groove, and the front end of the positioning rod (24) is fixedly connected with the inner wall of the shell (4).

7. The integrated college mathematics teaching device according to claim 1, wherein: the first frame (13) and the second frame (14) are both semicircular annular frame bodies, and the inner walls of the first frame (13) and the second frame (14) are provided with anti-skid grains matched with the second gear (12).

Technical Field

The invention relates to the technical field of teaching appliances, in particular to an integrated college and university mathematics teaching device.

Background

Mathematics is a subject of studying concepts such as quantity, structure, variation, space, and information, and belongs to a form science from a certain point of view. Mathematicians and philosophies have a range of views on the exact scope and definition of mathematics. In human historical development and social life, mathematics also plays an irreplaceable role and is an essential basic tool for learning and researching modern science and technology. The objects and methods of mathematics are a relatively complex part of elementary mathematics. In a broad sense, mathematics except elementary mathematics are advanced mathematics, and in the daily mathematical education in colleges and universities, various charts often need to be drawn, and when a traditional ruler is used, the traditional ruler is often fixed by one hand, so that the subsequent marking operation is convenient, great troubles are brought to the teaching use, and therefore, people provide a colleges and universities mathematical education device, such as an integrated colleges and universities mathematical education device disclosed in Chinese patent CN205468142U, and the teaching device belongs to the teaching field. This teaching device has the scale including being the drawing rule of "L" shape on the drawing rule, and the below of drawing rule has linked firmly the telescopic link, and the upper end of telescopic link links firmly on the drawing rule, and the lower extreme of telescopic link has linked firmly the fixed block, has linked firmly in the fixed orifices and has been annular rubber ring, and fixed establishment still includes a pair of fixing and is the circular shape on the fixed block and places the groove, places the inslot and places the magnetic path that is the circle piece shape, and the fixed orifices can be placed in to the magnetic path, has placed the ruler in the drawing rule upper end. This device structural design is ingenious, and stability is strong, and the teaching is convenient. But in the in-service use in-process, because the absorption of magnetic path and blackboard is comparatively strong, and the chi board laminates on the blackboard for take off of chi board is comparatively inconvenient, and when removing on the blackboard, still can aggravate the friction between magnetic path and the blackboard, reduces life, brings inconvenience for the use.

Disclosure of Invention

The invention aims to provide an integrated college and university mathematics teaching device, which improves the traditional device and solves the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an integration type colleges and universities mathematical education device, includes chi board one, the left end fixedly connected with chi board two of chi board one, the left side fixedly connected with adsorption equipment of chi board two.

The adsorption device comprises a shell, a through hole is formed in the right side of the shell, a rotating shaft is in limited rotation through the through hole, the right end of the rotating shaft is fixedly connected with the left side of a ruler plate II, a positioning shaft is fixedly connected to the bottom of the inner wall of the shell, a gear I is in limited rotation on the surface of the positioning shaft, a rack I is meshed with the left side of the gear I, the rack I penetrates through the front side of the shell and is movably connected with the shell, a rack II is meshed with the right side of the gear I, an expansion plate is fixedly connected to the right side of the rack II, the rear end of the expansion plate penetrates through the rear side of the shell and is fixedly connected with a magnetic block, the rear side of the magnetic block can be movably connected with the surface of a blackboard, a gear II is fixedly connected to the surface of the rotating shaft close to the left end, a frame I and a frame II are movably connected to the surface of the gear II, a, the utility model discloses a solar cell module, including frame two, swing arm, inner wall of casing, swing arm, inner wall swing joint has the guide post, the top of guide post and the lower fixed surface of expansion plate are connected, the left side fixedly connected with transfer line of frame one, the left end of transfer line and the right side fixed connection of expansion plate, the rear side fixedly connected with swing arm of frame two, the swing arm is rotated through the bottom of round pin axle with shells inner wall and is connected, lean on the surface of left end to have seted up logical groove in the swing.

Preferably, the number of the shells is two, one of the shells is fixedly connected with the left side of the second ruler plate through the left end of the rotating shaft, and the other shell is fixedly connected with the lower surface of the first ruler plate through the top of the rotating shaft.

Preferably, the surface of the rotating shaft is fixedly connected with two limiting rings, and the opposite surfaces of the two limiting rings are respectively connected with the right side of the inner wall of the shell and the right side of the shell in a rotating manner.

Preferably, the button is fixedly connected to the front end of the first rack, and anti-skid grains are formed in the surface of the button.

Preferably, the left side fixedly connected with slider of rack one, the gliding spout in back and forth that supplies the slider is seted up on the left side of shells inner wall.

Preferably, the front end of the expansion plate is provided with a groove and is movably connected with a positioning rod through the groove, and the front end of the positioning rod is fixedly connected with the inner wall of the shell.

Preferably, the first frame and the second frame are both semi-circular frame bodies, and the inner walls of the first frame and the second frame are both provided with anti-skid grains matched with the gear.

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

the first ruler plate and the second ruler plate can be firmly fixed on the blackboard during use through the arrangement of the adsorption device, and the first ruler plate and the second ruler plate can be quickly separated from contact with the blackboard, so that the first ruler plate and the second ruler plate are more convenient to take down.

Secondly, the first ruler plate is connected with the shell through the rotating shaft; manually pressing the first rack to enable the first rack to move backwards, wherein the first gear is driven to rotate on the positioning shaft in the moving process of the first rack, and meanwhile, the second rack and the telescopic plate are driven to move forwards, so that the magnetic blocks on the telescopic plate are finally separated from being in contact with the blackboard; meanwhile, the first frame overcomes the elasticity of the pressure spring and is separated from the contact with the second frame through transmission of the transmission rod, the telescopic plate moves forwards along the guide column, the swing arm rotates anticlockwise by taking the pin shaft joint as a rotation center, the second frame is also separated from the contact with the second gear, so that opposite clamping of the first frame and the second frame on the second gear is released, the shell can rotate in a limiting mode on the rotating shaft, the magnetic block faces upwards after the shell on the shell rotates ninety degrees, the first gear is completely separated from the contact with the blackboard, extrusion on the first rack is released, the telescopic plate resets and moves under the action of the elasticity of the pressure spring, meanwhile, the first frame and the second frame clamp the second gear in an opposite mode again, the rotating shaft and the shell keep a relative locking state, and the first ruler plate and the second ruler plate can be taken down from the blackboard.

Through the matching use of the structures, the problems that in the actual use process, the magnet and the blackboard are strongly adsorbed, and the ruler plate is attached to the blackboard, so that the ruler plate is inconvenient to take down, and when the ruler plate is moved on the blackboard, the friction between the magnet and the blackboard is aggravated, the service life is shortened, and the inconvenience is brought to use are solved.

Drawings

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

fig. 2 is a top cross-sectional view of the housing of the present invention.

In the figure: 1-ruler plate I, 2-ruler plate II, 3-adsorption device, 4-shell, 5-rotating shaft, 6-positioning shaft, 7-gear I, 8-rack I, 9-rack II, 10-expansion plate, 11-magnetic block, 12-gear II, 13-frame I, 14-frame II, 15-pressure spring, 16-transmission rod, 17-swing arm, 18-through groove, 19-guide column, 20-limit ring, 21-button, 22-slide block, 23-sliding groove and 24-positioning rod.

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.

Referring to fig. 1 to 2, the present invention provides a technical solution: the utility model provides an integration type colleges and universities mathematical education device, includes chi board 1, the left end fixedly connected with chi board two 2 of chi board 1, the contained angle between chi board 1 and the chi board two 2 is ninety degrees, the left side fixedly connected with adsorption equipment 3 of chi board two 2, through adsorption equipment 3's setting, not only make chi board 1 and chi board two 2 can firmly fix on the blackboard when using, and can make chi board 1 and chi board two 2 break away from the contact with the blackboard fast, make taking off of chi board 1 and chi board two 2 more convenient.

The adsorption device 3 comprises two shells 4, wherein one shell 4 is fixedly connected with the left side of the ruler plate 2 through the left end of the rotating shaft 5, the other shell 4 is fixedly connected with the lower surface of the ruler plate 1 through the top of the rotating shaft 5, stronger magnetic adsorption force can be provided by the two shells 4 corresponding to the two magnetic blocks 11, so that the stress of the ruler plate 1 and the ruler plate 2 is balanced, the right side of the shell 4 is provided with a through hole and is limited and rotated by the through hole to form the rotating shaft 5, the ruler plate 1 is connected with the shell 4 through the rotating shaft 5, the right end of the rotating shaft 5 is fixedly connected with the left side of the ruler plate 2, the surface of the rotating shaft 5 is fixedly connected with two limiting rings 20, the opposite surfaces of the two limiting rings 20 are respectively rotatably connected with the right side of the inner wall of the shell 4 and the right side of the shell 4, and the stability of limiting and rotation between the rotating shaft 5 and the shell 4 can be further ensured through, the bottom of the inner wall of the shell 4 is fixedly connected with a positioning shaft 6, a first gear 7 is arranged on the surface of the positioning shaft 6 in a limiting rotation mode, a first rack 8 is meshed on the left side of the first gear 7, a button 21 is fixedly connected to the front end of the first rack 8, anti-skidding patterns are arranged on the surface of the button 21, the contact area of a user finger end is increased through the arrangement of the button 21, the oppression feeling caused by pressing is reduced, the anti-skidding patterns are arranged on the anti-skidding patterns to avoid skidding, a sliding block 22 is fixedly connected to the left side of the first rack 8, a sliding groove 23 for the sliding block 22 to slide back and forth is arranged on the left side of the inner wall of the shell 4, the sliding block 22 slides in the sliding groove 23 to further ensure the stability of the first rack 8 in the moving process, the first rack 8 penetrates through the front side of the shell 4 and is movably connected with the shell 4, a second rack 9 is meshed on the right side of the first gear 7, the front end of a positioning rod 24 is fixedly connected with the inner wall of the shell 4, the positioning rod 24 slides in a groove on the expansion plate 10, the stability of the expansion plate 10 in the process of moving back and forth is further ensured, the rear end of the expansion plate 10 penetrates through the rear side of the shell 4 and is fixedly connected with a magnetic block 11, the magnetic block 11 can be magnetically connected with a conventionally used magnetic absorption blackboard, a rack I8 is manually pressed down to enable the rack I8 to move backwards, in the process of moving the rack I8, a gear I7 is driven to rotate on a positioning shaft 6, meanwhile, a rack II 9 and the expansion plate 10 are driven to move forwards, the magnetic block 11 on the expansion plate 10 is finally separated from contact with the blackboard, the rear side of the magnetic block 11 can be movably connected with the surface of the blackboard, a gear II 12 is fixedly connected to the surface of the rotating shaft 5 close to the left end, a frame I13 and a frame II 14 are movably connected to the surface of the gear II 12, the frame, the inner walls of the first frame 13 and the second frame 14 are respectively provided with anti-slip grains matched with the second gear 12, the contact area with the second gear 12 can be increased through the arrangement of the semicircular frame body, the firmness in clamping and locking is further ensured through the arrangement of the anti-slip grains matched with the first frame 13, the front side of the first frame 13 is fixedly connected with a pressure spring 15, the front end of the pressure spring 15 is fixedly connected with the inner wall of the shell 4, the left side of the first frame 13 is fixedly connected with a transmission rod 16, the left end of the transmission rod 16 is fixedly connected with the right side of the expansion plate 10, the rear side of the second frame 14 is fixedly connected with a swing arm 17, the swing arm 17 is rotatably connected with the bottom of the inner wall of the shell 4 through a pin shaft, the surface close to the left end of the swing arm 17 is provided with a through groove 18, the inner wall of the through groove 18 is movably connected with a guide column 19, and meanwhile, the first frame 13 is, meanwhile, the telescopic plate 10 drives the guide column 19 to move forwards, the swing arm 17 rotates anticlockwise by taking the pin shaft connection part as a rotation center, the frame II 14 is also separated from contact with the gear II 12, so that opposite clamping of the frame I13 and the frame II 14 on the gear II 12 is released, the shell 4 can rotate on the rotating shaft 5 in a limiting mode, after the shell 4 on the shell 4 rotates ninety degrees, the magnetic block 11 faces upwards, after the shell is completely separated from contact with the blackboard, extrusion on the rack I8 is released, the telescopic plate 10 moves in a resetting mode under the action of elastic force of the pressure spring 15, meanwhile, the frame I13 and the frame II 14 clamp the gear II 12 in an opposite mode again, the rotating shaft 5 and the shell 4 keep a relative locking state, at the moment, the ruler plate I1 and the ruler plate II 2 can be taken down from the blackboard, and the top of the guide column 19 is fixedly connected with the lower surface of the telescopic plate 10.

The working principle is as follows: when the integrated college mathematics teaching device is used, the rack I8 is manually pressed down to enable the rack I8 to move backwards, and in the moving process of the rack I8, the gear I7 is driven to rotate on the positioning shaft 6 and simultaneously drives the rack II 9 and the expansion plate 10 to move forwards, so that the magnetic block 11 on the expansion plate 10 is finally separated from being in contact with a blackboard; meanwhile, the first frame 13 is driven by the transmission rod 16 to overcome the elastic force of the pressure spring 15 and be separated from the contact with the second frame 14, the expansion plate 10 drives the guide post 19 to move forwards, the swing arm 17 rotates anticlockwise by taking the pin shaft connection part as a rotation center, the second frame 14 is also separated from the contact with the second gear 12, so that the opposite clamping of the first frame 13 and the second frame 14 on the second gear 12 is released, at the moment, the shell 4 can rotate on the rotating shaft 5 in a limiting way, after the shell 4 on the shell 4 rotates ninety degrees, the magnetic block 11 faces upwards, after the complete separation from the contact with the blackboard, the extrusion on the first rack 8 is released, the expansion plate 10 moves in a resetting way under the elastic force of the pressure spring 15, at the same time, the first frame 13 and the second frame 14 clamp the second gear 12 in an opposite way again, the rotating shaft 5 and the shell 4 keep a relative locking state, at the moment, the first ruler plate 1 and the second ruler plate 2 can be taken down from the first, through the cooperation use between the above-mentioned structure, solved in the in-service use, because the absorption of magnetic path and blackboard is comparatively strong, and the chi board laminates on the blackboard for take off of chi board is comparatively inconvenient, and when removing on the blackboard, still can aggravate the friction between magnetic path and the blackboard, reduces life, brings inconvenient problem for the use.

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.