CN215423893U

CN215423893U - Novel combined solid geometry mathematical teaching instrument

Info

Publication number: CN215423893U
Application number: CN202121969809.7U
Authority: CN
Inventors: 李梦婕
Original assignee: HUAIYIN COMMERCIAL COLLEGE OF JIANGSU
Current assignee: HUAIYIN COMMERCIAL COLLEGE OF JIANGSU
Priority date: 2021-08-20
Filing date: 2021-08-20
Publication date: 2022-01-07
Anticipated expiration: 2031-08-20

Abstract

The utility model discloses a novel combined solid geometry mathematical teaching instrument, which comprises a bottom plate, a display unit, a protection unit and an access unit, wherein the display unit is arranged on the bottom plate; the lower surface of the bottom plate is provided with a roller bracket, and the lower end of the roller bracket is provided with a roller; the display unit contains first fixed block, first pivot, first spur gear, first annular slab, first connecting rod, second connecting rod and show box, the last surface mounting of bottom plate has first annular slab, the tooth's socket has evenly been seted up to the surface of first annular slab, the last surface mounting of bottom plate has first fixed block and three second fixed block, rotate on the first fixed block and install first pivot, rotate on the second fixed block and install the second pivot, install first spur gear in the first pivot. This novel combination formula solid geometry mathematical education appearance structure reliability is high, and stability is strong, and it is effectual to go up and down to promote teaching effect good, the protecting effect is good, the convenient access to the polyhedron.

Description

Novel combined solid geometry mathematical teaching instrument

Technical Field

The utility model relates to the technical field of mathematical teaching instruments, in particular to a novel combined solid geometry mathematical teaching instrument.

Background

Solid geometry belongs to one of mathematics, solid geometry is the traditional name of three-dimensional european style space geometry, and general solid geometry includes square, cuboid, cylinder, cone, ball, prism etc. mr explains how often when the solid is explaining to the student, inevitably will carry out the analysis to solid geometry, and under most circumstances, mr adopts the teaching mode of drawing or PPT to explain, and some students that space comprehensibility is relatively poor are difficult to understand, influence the efficiency and the effect of giving lessons of teacher.

Wherein a novel combination formula solid geometry mathematical education appearance that application number 202110311851.8 provided among the modern technology, including the atomizer box, install the disc on the atomizer box, disc top surface equipartition circumference scale mark, the disc top surface sets up the standpipe, standpipe side suit ring, install first spherical shell between the standpipe, the ring side is through semicircle fixed connection, semicircle ring indent side equipartition scale mark, the semicircle ring is close to the bottom surface installation pointer of disc, first spherical shell surface mounting light beam transmitting device, light beam transmitting device can will send the laser beam and pass first spherical shell and form the solid geometry figure that comprises the stabilization light column inside first spherical shell.

The novel combined solid geometry mathematical teaching instrument is low in structure reliability, general in stability, general in teaching effect and general in protection effect, and therefore the novel combined solid geometry mathematical teaching instrument is provided.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to overcome the existing defects, and provide a novel combined solid geometry mathematical education instrument which has high structure reliability, strong stability and good lifting effect, thereby improving the education effect, having good protection effect, being convenient for storing and taking polyhedrons and effectively solving the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a novel combined solid geometry mathematical teaching instrument comprises a bottom plate, a display unit, a protection unit and an access unit;

the lower surface of the bottom plate is provided with a roller bracket, and the lower end of the roller bracket is provided with a roller;

a display unit: contain first fixed block, first pivot, first spur gear, first annular plate, first connecting rod, second connecting rod and show box, the last surface mounting of bottom plate has first annular plate, the tooth's socket has evenly been seted up to the surface of first annular plate, the last surface mounting of bottom plate has first fixed block and three second fixed block, rotate on the first fixed block and install first pivot, rotate on the second fixed block and install the second pivot, install first spur gear in the first pivot, the second spur gear is installed to the outer end of second pivot, the tooth's socket meshing of first spur gear and first annular plate is connected, the tooth's socket meshing of second spur gear and first annular plate is connected, the inner of first pivot and second pivot is all rotated and is installed first connecting rod, the upper end of first connecting rod is rotated through first round pin axle and is installed the second connecting rod, the periphery of the outer surface of the display box is provided with a second pin shaft, and the upper end of the second connecting rod is rotatably connected with the second pin shaft;

a protection unit: it is installed on the left side of the upper surface of the bottom plate;

an access unit: which is mounted on the right side of the upper surface of the base plate.

Further, the display unit still contains motor and motor support, the last surface mounting of bottom plate has motor support, the last motor of installing of motor support, the output shaft of motor has the outer end of first pivot through the coupling joint, the output of external control ware is connected to the input electricity of motor. The motor is controlled to work by the external controller, the motor works to drive the first rotating shaft to rotate, the first rotating shaft rotates so as to control the lifting of the display box, the back row students can conveniently observe, the lifting efficiency of the motor is high, the effect is good,

further, the protection unit contains second annular plate, first fixture block, first draw-in groove and guard plate, the last surface mounting of bottom plate has the guard plate, the last surface mounting of guard plate has first fixture block, first draw-in groove has been seted up to the lower surface of second annular plate, first draw-in groove and first fixture block buckle are connected. Be convenient for through guard plate and second annular plate to mechanical structure's protection, prevent that the classmate from causing personnel injury when touching the device, and when machine part need be repaired, first draw-in groove and first fixture block are convenient for the dismantlement to the second annular plate.

Further, the access unit contains the second draw-in groove, places box, lid, cylinder, square, cone, spheroid and cuboid, the upper surface right side of bottom plate is installed and is placed the box, cylinder, square, cone, spheroid and cuboid have been placed in proper order in placing the box, the second draw-in groove has been seted up to the upper surface of placing the box, the second fixture block is installed to the tip of lid, second fixture block and second draw-in groove buckle are connected. The polyhedron is stored through the placing box, the exhibition is convenient for class hours, and the box cover is convenient to seal the placing box through the second clamping block and the second clamping groove, so that the polyhedron is prevented from falling out.

Further, the roller support further comprises a third clamping groove and a third clamping block, the third clamping groove is formed in the lower surface of the bottom plate, the third clamping block is installed at the upper end of the roller support, and the third clamping block is connected with the third clamping groove in a buckling mode. Through the convenient dismantlement to the gyro wheel support of third draw-in groove and third draw-in block, need put on the podium when having a lesson, can dismantle the gyro wheel support, place the bottom plate on the podium, on class or the way of having a lesson, the inconvenient office of lifting back, gyro wheel support in through the joint can push back the office.

Further, the display box further comprises a supporting plate and supporting legs, the four supporting legs are mounted on the upper surface of the bottom plate, the supporting plate is mounted on the upper surface of each supporting leg, and the supporting plate corresponds to the display box vertically. After the display box descends, the display box is supported through the supporting plate and the supporting legs, the structural strength is improved, and the structural stability is improved.

Compared with the prior art, the utility model has the beneficial effects that: this novel combination formula solid geometry mathematics teaching appearance has following benefit:

1. this novel combination formula solid geometry mathematical education appearance has the show unit, and the second connecting rod swing through the show unit drives show box elevating movement, if there is the classmate imagination not strong, and because the podium is shorter when observing the polyhedron, thereby the lift through the show box makes things convenient for polyhedral show, and teaching effect is good.

2. This novel combination formula solid geometry mathematical education appearance has the protection unit, is convenient for to mechanical structure's protection through the guard plate and the second annular plate of protection unit, prevents that the classmate from causing personnel injury when touching device, and the security is good, and when machine part need be repaired, first draw-in groove and first fixture block are convenient for the dismantlement to the second annular plate.

3. This novel combination formula solid geometry mathematical education appearance structure reliability is high, and stability is strong, and it is effectual to go up and down to promote teaching effect good, the protecting effect is good, the convenient access to the polyhedron.

Drawings

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

FIG. 2 is a schematic bottom view of the present invention.

In the figure: 1 bottom plate, 2 show units, 21 first fixed block, 22 first pivot, 23 first spur gear, 24 motors, 25 motor supports, 26 first annular plate, 27 first connecting rod, 28 second connecting rod, 29 show box, 3 protection units, 31 second annular plate, 32 first fixture block, 33 first draw-in groove, 34 protection board, 4 access unit, 41 second draw-in groove, 42 place the box, 43 lid, 44 cylinder, 45 square, 46 cone, 47 spheroid, 48 cuboid, 5 second spur gear, 6 third draw-in groove, 7 third fixture block, 8 gyro wheel supports, 9 gyro wheels, 10 backup pads, 11 landing legs, 12 second fixed blocks, 13 second pivots.

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. 1-2, the present embodiment provides a technical solution: a novel combined solid geometry mathematical teaching instrument comprises a bottom plate 1, a display unit 2, a protection unit 3 and an access unit 4;

the lower surface of the bottom plate 1 is provided with a roller bracket 8, and the lower end of the roller bracket 8 is provided with a roller 9; still include third draw-in groove 6 and third fixture 7, third draw-in groove 6 has been seted up to the lower surface of bottom plate 1, and third fixture 7 is installed to the upper end of gyro wheel support 8, and third fixture 7 and the 6 buckle of third draw-in groove are connected. Through the convenient dismantlement to roller support 8 of third draw-in groove 6 and third draw-in block 7, need put on the podium when having a lesson, can dismantle roller support 8, place bottom plate 1 on the podium, on class or the way of having a lesson, the inconvenient office of lifting back, roller support 8 in through the joint, can push back the office. The display box further comprises a supporting plate 10 and supporting legs 11, the four supporting legs 11 are mounted on the upper surface of the bottom plate 1, the supporting plate 10 is mounted on the upper surface of each supporting leg 11, and the supporting plate 10 corresponds to the display box 29 vertically. After the display box 29 descends, the display box 29 is supported by the support plate 10 and the support legs 11, so that the structural strength is increased, and the structural stability is improved.

The display unit 2: comprises a first fixed block 21, a first rotating shaft 22, a first straight gear 23, a first annular plate 26, a first connecting rod 27, a second connecting rod 28 and a display box 29, the upper surface of a bottom plate 1 is provided with the first annular plate 26, the outer surface of the first annular plate 26 is uniformly provided with tooth grooves, the upper surface of the bottom plate 1 is provided with the first fixed block 21 and three second fixed blocks 12, the first fixed block 21 is rotatably provided with the first rotating shaft 22, the second fixed block 12 is rotatably provided with a second rotating shaft 13, the first rotating shaft 22 is provided with the first straight gear 23, the outer end of the second rotating shaft 13 is provided with the second straight gear 5, the first straight gear 23 is in meshing connection with the tooth grooves of the first annular plate 26, the second straight gear 5 is in meshing connection with the tooth grooves of the first annular plate 26, the inner ends of the first rotating shaft 22 and the second rotating shaft 13 are both rotatably provided with the first connecting rod 27, the upper end of the first connecting rod 27 is rotatably provided with the second connecting rod 28 through a first pin shaft, the periphery of the outer surface of the display box 29 is provided with a second pin shaft, and the upper end of the second connecting rod 28 is rotatably connected with the second pin shaft; drive first spur gear 23 through rotating first pivot 22 and rotate, first spur gear 23 rotates and drives first annular plate 26 and rotate, first annular plate 26 rotates and drives second spur gear 5 and rotate, second spur gear 5 rotates and drives second pivot 13 and rotate, first pivot 22 and second pivot 13 rotate and drive first connecting rod 27 respectively and rotate, first connecting rod 27 rotates and drives the swing of second connecting rod 28, the swing of second connecting rod 28 drives show box 29 elevating movement, if there is the classmate imagination weak, and because the podium is shorter when observing the polyhedron, thereby it makes things convenient for the show of polyhedron to go up and down through show box 29, teaching effect is good. The display unit 2 further comprises a motor 24 and a motor support 25, the motor support 25 is mounted on the upper surface of the base plate 1, the motor 24 is mounted on the motor support 25, an output shaft of the motor 24 is connected with the outer end of the first rotating shaft 22 through a coupler, and an input end of the motor 24 is electrically connected with an output end of an external controller. The motor 24 is controlled to work by an external controller, the motor 24 works to drive the first rotating shaft 22 to rotate, the first rotating shaft 22 rotates to control the lifting of the display box 29, the back row students can conveniently observe, the lifting efficiency of the motor 24 is high, the effect is good,

the protection unit 3: which is arranged at the left side of the upper surface of the bottom plate 1; the protection unit 3 comprises a second annular plate 31, a first clamping block 32, a first clamping groove 33 and a protection plate 34, the protection plate 34 is mounted on the upper surface of the base plate 1, the first clamping block 32 is mounted on the upper surface of the protection plate 34, the first clamping groove 33 is formed in the lower surface of the second annular plate 31, and the first clamping groove 33 is connected with the first clamping block 32 in a clamping mode. Protection to mechanical structure is convenient for through guard plate 34 and second annular plate 31, prevents that classmates from causing personnel injury when the touching device, and when machine part need be repaired, first draw-in groove 33 and first fixture block 32 are convenient for to the dismantlement of second annular plate 31.

The access unit 4: which is installed at the right side of the upper surface of the base plate 1. Access unit 4 contains second draw-in groove 41, places box 42, lid 43, cylinder 44, square 45, cone 46, spheroid 47 and cuboid 48, and the upper surface right side of bottom plate 1 is installed and is placed box 42, places and has placed cylinder 44, square 45, cone 46, spheroid 47 and cuboid 48 in the box 42 in proper order, and the second draw-in groove 41 has been seted up to the upper surface of placing box 42, and the second fixture block is installed to the tip of lid 43, and second fixture block and 41 snap connections of second draw-in groove. The polyhedron is stored through the placing box 42, the exhibition in class is facilitated, and the box cover 43 is convenient to seal the placing box 42 through the second clamping block and the second clamping groove 41, so that the polyhedron is prevented from falling out.

The working principle of the novel combined solid geometry mathematical teaching instrument provided by the utility model is as follows: the motor 24 is controlled to work by an external controller, the motor 24 works to drive the first rotating shaft 22 to rotate, the first rotating shaft 22 rotates to control the lifting of the display box 29, the back row students can conveniently observe, the lifting efficiency of the motor 24 is high, the effect is good, the first straight gear 23 is driven to rotate by rotating the first rotating shaft 22, the first annular plate 26 is driven to rotate by rotating the first straight gear 23, the second straight gear 5 is driven to rotate by rotating the first annular plate 26, the first connecting rod 27 is driven to rotate by rotating the first annular plate 26, the second connecting rod 28 is driven to swing by rotating the second straight gear 5, the display box 29 is driven to move up and down by swinging the second connecting rod 28, if the imagination of the same students is not strong, and when the polyhedron is observed, the platform is short, so that the polyhedron can be conveniently displayed by lifting the display box 29, and the teaching effect is good. Protection to mechanical structure is convenient for through guard plate 34 and second annular plate 31, prevents that classmates from causing personnel injury when the touching device, and when machine part need be repaired, first draw-in groove 33 and first fixture block 32 are convenient for to the dismantlement of second annular plate 31. The polyhedron is stored through the placing box 42, the exhibition in class is facilitated, and the box cover 43 is convenient to seal the placing box 42 through the second clamping block and the second clamping groove 41, so that the polyhedron is prevented from falling out. Through the convenient dismantlement to roller support 8 of third draw-in groove 6 and third draw-in block 7, need put on the podium when having a lesson, can dismantle roller support 8, place bottom plate 1 on the podium, on class or the way of having a lesson, the inconvenient office of lifting back, roller support 8 in through the joint, can push back the office. After the display box 29 descends, the display box 29 is supported by the support plate 10 and the support legs 11, so that the structural strength is increased, and the structural stability is improved.

It should be noted that in this embodiment, the core chip of the external controller is an STC single chip microcomputer, the specific model is STC15W204S, the motor 24 can be freely configured according to the actual application scenario, and the motor 24 can be a JE series single-phase servo motor manufactured by mitsubishi motor (china) ltd, beijing. The external controller controls the operation of the motor 24 in a manner commonly known in the art.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. The utility model provides a novel combination formula solid geometry mathematics teaching appearance which characterized in that: comprises a bottom plate (1), a display unit (2), a protection unit (3) and an access unit (4);

the lower surface of the bottom plate (1) is provided with a roller bracket (8), and the lower end of the roller bracket (8) is provided with a roller (9);

display unit (2): contain first fixed block (21), first pivot (22), first spur gear (23), first annular plate (26), first connecting rod (27), second connecting rod (28) and show box (29), the last surface mounting of bottom plate (1) has first annular plate (26), the tooth's socket has evenly been seted up to the surface of first annular plate (26), the last surface mounting of bottom plate (1) has first fixed block (21) and three second fixed block (12), rotate on first fixed block (21) and install first pivot (22), rotate on second fixed block (12) and install second pivot (13), install first spur gear (23) on first pivot (22), second spur gear (5) are installed to the outer end of second pivot (13), the meshing of first spur gear (23) and first annular plate (26) is connected, the second straight gear (5) is meshed with the tooth grooves of the first annular plate (26), the inner ends of the first rotating shaft (22) and the second rotating shaft (13) are rotatably provided with first connecting rods (27), the upper ends of the first connecting rods (27) are rotatably provided with second connecting rods (28) through first pin shafts, second pin shafts are arranged on the periphery of the outer surface of the display box (29), and the upper ends of the second connecting rods (28) are rotatably connected with the second pin shafts;

guard unit (3): which is arranged on the left side of the upper surface of the bottom plate (1);

access unit (4): which is arranged at the right side of the upper surface of the bottom plate (1).

2. The novel combined solid geometry mathematics teaching instrument according to claim 1, characterized in that: show unit (2) still contain motor (24) and motor support (25), the last surface mounting of bottom plate (1) has motor support (25), install motor (24) on motor support (25), the output shaft of motor (24) has the outer end of first pivot (22) through the coupling joint, the output of external control ware is connected to the input electricity of motor (24).

3. The novel combined solid geometry mathematics teaching instrument according to claim 1, characterized in that: protection unit (3) contain second annular plate (31), first fixture block (32), first draw-in groove (33) and guard plate (34), the last surface mounting of bottom plate (1) has guard plate (34), the last surface mounting of guard plate (34) has first fixture block (32), first draw-in groove (33) have been seted up to the lower surface of second annular plate (31), first draw-in groove (33) and first fixture block (32) buckle are connected.

4. The novel combined solid geometry mathematics teaching instrument according to claim 1, characterized in that: access unit (4) contain second draw-in groove (41), place box (42), lid (43), cylinder (44), square (45), cone (46), spheroid (47) and cuboid (48), the upper surface right side of bottom plate (1) is installed and is placed box (42), place cylinder (44), square (45), cone (46), spheroid (47) and cuboid (48) in proper order in box (42), the upper surface of placing box (42) has seted up second draw-in groove (41), the second fixture block is installed to the tip of lid (43), second fixture block and second draw-in groove (41) buckle are connected.

5. The novel combined solid geometry mathematics teaching instrument according to claim 1, characterized in that: the roller support is characterized by further comprising a third clamping groove (6) and a third clamping block (7), the third clamping groove (6) is formed in the lower surface of the bottom plate (1), the third clamping block (7) is installed at the upper end of the roller support (8), and the third clamping block (7) is connected with the third clamping groove (6) in a buckling mode.

6. The novel combined solid geometry mathematics teaching instrument according to claim 1, characterized in that: still include backup pad (10) and landing leg (11), the upper surface mounting of bottom plate (1) has four landing legs (11), the upper surface mounting of landing leg (11) has backup pad (10), backup pad (10) and show box (29) correspond from top to bottom.