CN213815184U

CN213815184U - Detachable three-dimensional model for mathematical teaching

Info

Publication number: CN213815184U
Application number: CN202120000406.5U
Authority: CN
Inventors: 韩建霞
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-02
Filing date: 2021-01-02
Publication date: 2021-07-27
Anticipated expiration: 2031-01-02

Abstract

The utility model discloses a dismountable three-dimensional model for mathematical education, including fixed frame, the top of fixed frame is the opening setting, just the outside of fixed frame is close to the equal fixedly connected with a plurality of bracing piece of bottom department than that, the left end department fixedly connected with sucking disc of bracing piece, the inner chamber bottom of fixed frame is close to two fixed stop of center department fixedly connected with, two common fixedly connected with motor between the fixed stop, the bottom of motor and the inner chamber bottom fixed connection of fixed frame, the power output shaft fixedly connected with threaded rod of motor. The utility model discloses a series of structures make this device have and guarantee that the equipment can the idol when promoting the motion of top object and guarantee holistic stability, can not take place to rock and the condition of slope appears, through rotatory carousel for the orientation of carousel can carry out the adjustment of full angle, has made things convenient for student's watching more, has avoided characteristics such as the narrow and small problem of visual angle to appear.

Description

Detachable three-dimensional model for mathematical teaching

Technical Field

The utility model relates to a mathematical education model technical field specifically is a three-dimensional model dismantled that mathematical education used.

Background

At present, students generally feel boring and tasteless when learning mathematics in middle school, and many students often learn mathematics by remembering the dead, so that the method is not beneficial to the quantity of the students to master mathematical knowledge and is also not beneficial to the culture and improvement of creative thinking ability of the students;

in the mathematical teaching, three-dimensional knowledge needs to be involved, the contents are generally abstract, students can only experience through books and imagination, and the model needs to be placed in a higher place during explanation, so that students with far seats can observe conveniently, but the model is not stable enough due to the fact that a support is added at the bottom of the model, the students easily topple over, the teacher is inconvenient to explain, the traditional teaching model cannot rotate, the visual angle of the students is limited during observation, and the teaching quality is influenced.

Disclosure of Invention

The utility model provides a technical problem lie in overcoming prior art's model can not the idol go up and down and rotatory and poor stability scheduling defect, provide a mathematical education uses can dismantle three-dimensional model. A characteristics such as the three-dimensional model dismantled that mathematical education used has stability height, can go up and down and rotate, and can three-dimensional audio-visual show.

In order to achieve the above object, the utility model provides a following technical scheme: a detachable three-dimensional model for mathematical education comprises a fixed frame, wherein the top of the fixed frame is provided with an opening, a plurality of supporting rods are fixedly connected to the outer side of the fixed frame close to the bottom, a sucker is fixedly connected to the left end of each supporting rod, two fixed baffles are fixedly connected to the inner cavity bottom of the fixed frame close to the center, a motor is fixedly connected between the two fixed baffles, the bottom of the motor is fixedly connected with the inner cavity bottom of the fixed frame, a power output shaft of the motor is fixedly connected with a threaded rod, a limiting plate is fixedly connected to the top end of the threaded rod, a threaded sleeve is sleeved on the outer edge of the threaded rod close to the bottom end, movable frames are fixedly connected to the left side and the right side of each movable frame, openings are formed in the left side and the right side of each movable frame, and fixed rods are inserted into the front side and the back side of each opened inner cavity, the outer edges of the two fixed rods are respectively sleeved with a gear, the inner cavity of the fixed frame close to the left side and the right side is respectively and fixedly connected with a second rack, one side of the gear far away from the center of the fixed frame is mutually meshed with the adjacent second rack, the top opening of the fixed frame penetrates through a protective cover, the left side and the right side of the protective cover close to the center are respectively and fixedly connected with a first rack, the top of the protective cover close to the center is fixedly connected with a connecting rod, the top of the protective cover is provided with a turntable, the bottom of the turntable close to the center is fixedly connected with a bearing, the top end of the connecting rod is inserted into the inner cavity of the bearing, the top of the turntable close to the center is fixedly connected with a sliding rail, the inner cavity of the sliding rail close to the left end is provided with a sliding block, the top of the sliding block is fixedly connected with a y shaft rod, and the outer edge of the y shaft rod close to the bottom end is sleeved with a fixed block, first perforation has been seted up to the left and right sides of fixed block, the second perforation has been seted up to the top and the bottom of fixed block, the first fenestrate inner chamber has run through the x axostylus axostyle, the y axostylus axostyle runs through the fenestrate inner chamber of second, the top of carousel is close to rear side department and pegs graft and have the magnetism suction plate, the laminating of the front side of magnetism suction plate is provided with magnetism and inhales the strip, the outside edge cover of magnetism suction plate is equipped with the glass frame.

Preferably, a plurality of the cross section of bracing piece sets up for L shape, just the L shape of bracing piece sets up shorter one end down.

Preferably, the cross section of the movable frame is arranged in a U shape, and the U shape of the movable frame is provided with an upward opening.

Preferably, the cross section of protection casing is the U type setting, just the U type of protection casing sets up the opening downwards, just the top of threaded rod is pegged graft in the U type open-ended inner chamber of protection casing.

Preferably, the first racks and the adjacent gears are meshed with each other, and the two first racks are arranged in bilateral symmetry with the center of the shield as a symmetry axis.

Preferably, a plurality of lines are arranged on the magnetic attraction plate, the distances between the lines are the same, and the lines are arranged in a staggered mode.

Preferably, the front side of the glass frame is provided with scale marks close to the left side and the right side, and the two scale marks are arranged in a left-right symmetrical mode by taking the center of the glass frame as a symmetrical axis.

Compared with the prior art, the beneficial effects of the utility model are that: through the mutual cooperation between each part for this equipment has and can guarantee holistic stability by the idol when guaranteeing that equipment promotes top object motion, can not take place to rock and the condition of slope appears, through rotatory carousel, makes the orientation of carousel can carry out full angle's adjustment, has made things convenient for student's watching more, has avoided the narrow and small problem in visual angle to appear.

Drawings

Fig. 1 is a front view of the present embodiment.

Fig. 2 is an enlarged view of a portion a in fig. 1.

Fig. 3 is a left side view of the part turret and glass frame of the present embodiment.

Fig. 4 is a top view of the present embodiment.

Reference numbers in the figures: 1. a fixing frame; 2. a turntable; 3. a slide rail; 4. a slider; 5. a fixed block; 6. a magnetic attraction plate; 7. an x-axis rod; 8. a y-axis rod; 9. a glass frame; 10. magnetically attracting the strip; 11. a connecting rod; 12. a first rack; 13. a threaded rod; 14. a gear; 15. fixing the rod; 16. a protective cover; 17. a threaded sleeve; 18. a suction cup; 19. a support bar; 20. fixing a baffle plate; 21. a motor; 22. a movable frame; 23. a second rack; 24. and a limiting plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a detachable three-dimensional model for mathematical education comprises a fixed frame 1, the top of the fixed frame 1 is provided with an opening, a plurality of support rods 19 are fixedly connected to the outer side of the fixed frame 1 close to the bottom, the cross sections of the support rods 19 are arranged in an L shape, the shorter end of the L shape of each support rod 19 faces downwards, a sucker 18 is fixedly connected to the left end of each support rod 19, two fixed baffles 20 are fixedly connected to the bottom of an inner cavity of the fixed frame 1 close to the center, a motor 21 is fixedly connected between the two fixed baffles 20 together, the bottom of the motor 21 is fixedly connected with the bottom of the inner cavity of the fixed frame 1, a threaded rod 13 is fixedly connected to a power output shaft of the motor 21, a limit plate 24 is fixedly connected to the top end of the threaded rod 13, a threaded sleeve 17 is sleeved on the outer edge of the threaded rod 13 close to the bottom, and movable frames 22 are fixedly connected to the left side and the right side of the threaded sleeve 17, the cross section of the movable frame 22 is in a U-shaped arrangement, the U-shaped arrangement opening of the movable frame 22 faces upwards, openings are formed in the left side and the right side of the movable frame 22, fixing rods 15 are inserted into the front side and the rear side of an inner cavity of each opening, gears 14 are sleeved on the outer edges of the two fixing rods 15, second racks 23 are fixedly connected to the positions, close to the left side and the right side, of the inner cavity of the fixed frame 1, one side, far away from the center of the fixed frame 1, of each gear 14 is meshed with the adjacent second racks 23, a protective cover 16 penetrates through the opening in the top of the fixed frame 1, the cross section of the protective cover 16 is in a U-shaped arrangement opening, faces downwards, the top end of each threaded rod 13 is inserted into the inner cavity of the U-shaped opening of the protective cover 16, first racks 12 are fixedly connected to the positions, close to the center, of the left side and the right side of the protective cover 16, the first racks 12 are arranged in a left-right symmetrical mode by taking the center of the protective cover 16 as a symmetrical axis, a connecting rod 11 is fixedly connected to the top of the protective cover 16 close to the center, a rotary table 2 is arranged at the top of the protective cover 16, a bearing is fixedly connected to the bottom of the rotary table 2 close to the center, the top end of the connecting rod 11 is inserted into the inner cavity of the bearing, a slide rail 3 is fixedly connected to the top of the rotary table 2 close to the center, a slide block 4 is arranged at the inner cavity of the slide rail 3 close to the left end, a y shaft lever 8 is fixedly connected to the top of the slide block 4, a fixed block 5 is sleeved on the outer edge of the y shaft lever 8 close to the bottom end, first through holes are formed in the left side and the right side of the fixed block 5, second through holes are formed in the top and the bottom of the fixed block 5, an x shaft lever 7 penetrates through the inner cavity of the first through hole, the y shaft lever 8 penetrates through the inner cavity of the second through hole, a magnetic suction plate 6 is inserted into the top of the rotary table 2 close to the rear side, a plurality of lines are arranged on the magnetic suction plate 6, the same distance among the plurality of lines, and the lines are arranged in a staggered mode, the magnetic suction plate 6 is provided with a magnetic suction strip 10 on the front side in a laminating manner, a glass frame 9 is sleeved on the outer side edge of the magnetic suction plate 6, scale marks are arranged on the front side of the glass frame 9 close to the left side and the right side, and the two scale marks are arranged in a left-right symmetrical manner by taking the center of the glass frame 9 as a symmetrical axis.

The working principle is as follows: firstly, after the device is placed on a lecture table, the sucker 18 adsorbs the table top, so that the device can be stably fixed on the table top, then the motor 21 is started, the threaded rod 13 is driven to rotate through the power output shaft of the motor 21, the threaded rod 13 rotates in the inner cavity of the threaded sleeve 17, so that the threaded rod 13 pushes the threaded sleeve 17 and the movable frame 22 to move towards the top, the movable frame 22 drives the gear 14 to rotate when moving towards the top, the gear 14 is meshed with the first rack 12 and the second rack 23 to push the protective cover 16 to move towards the top, the connecting rod 11 is pushed to move upwards through the movement of the protective cover 16, the turntable 2 and the sliding rail 3 positioned at the top of the turntable 2 are pushed to move towards the top integrally through the connecting rod 11, and the upgrading structure can effectively ensure that the device can ensure the stability of the whole when pushing the top object to move, the condition that can not take place to rock and incline appears, but and manual adjustment y axostylus axostyle 8 and x axostylus axostyle 7 for it is more laborsaving when explaining, and laborsaving, and express that the effect is more directly perceived, inhale strip 10 through manual adjustment magnetism, it adsorbs on magnetism suction disc 6 through magnetic force to inhale strip 10, and when explaining, through rotatory carousel 2, make the orientation of carousel 2 can carry out the adjustment of full angle, made things convenient for student's watching more, the narrow and small problem of visual angle has been avoided appearing.

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 three-dimensional model dismantled that mathematical education used, includes fixed frame (1), its characterized in that: the top of fixed frame (1) sets up for the opening, just the outside of fixed frame (1) is close to the equal fixedly connected with a plurality of bracing piece (19) of bottom department than that, the left end department fixedly connected with sucking disc (18) of bracing piece (19), the inner chamber bottom of fixed frame (1) is close to two fixed stop (20) of center department fixedly connected with, two common fixedly connected with motor (21) between fixed stop (20), the bottom of motor (21) and the inner chamber bottom fixed connection of fixed frame (1), the power output shaft fixedly connected with threaded rod (13) of motor (21), the top fixedly connected with limiting plate (24) of threaded rod (13), the outside edge of threaded rod (13) is close to bottom department cover and is equipped with thread bush (17), the equal fixedly connected with movable frame (22) in the left and right sides of thread bush (17), the movable frame is characterized in that openings are formed in the left side and the right side of the movable frame (22), fixing rods (15) are inserted into the front side and the rear side of an inner cavity of each opening, gears (14) are sleeved on the outer edges of the two fixing rods (15), second racks (23) are fixedly connected to the positions, close to the left side and the right side, of the inner cavity of the fixed frame (1), one side, far away from the center of the fixed frame (1), of each gear (14) is meshed with the adjacent second racks (23), a protective cover (16) penetrates through the opening in the top of the fixed frame (1), first racks (12) are fixedly connected to the positions, close to the center, of the left side and the right side of the protective cover (16), a connecting rod (11) is fixedly connected to the position, close to the center, of the top of the protective cover (16), a turntable (2) is arranged on the top of the protective cover (16), and bearings are fixedly connected to the positions, close to the center, of the bottom of the turntable (2), the top end of the connecting rod (11) is inserted in the inner cavity of the bearing, the top part of the turntable (2) close to the center is fixedly connected with a sliding rail (3), a slide block (4) is arranged at the position, close to the left end, of the inner cavity of the slide rail (3), the top of the slide block (4) is fixedly connected with a y-shaped shaft lever (8), a fixed block (5) is sleeved on the outer edge of the y-axis rod (8) close to the bottom end, the left side and the right side of the fixed block (5) are provided with first through holes, the top and the bottom of the fixed block (5) are provided with second through holes, an x shaft rod (7) penetrates through the inner cavity of the first through hole, a y shaft rod (8) penetrates through the inner cavity of the second through hole, a magnetic suction plate (6) is inserted at the top of the turntable (2) close to the rear side, the magnetic suction plate is characterized in that a magnetic suction strip (10) is attached to the front side of the magnetic suction plate (6), and a glass frame (9) is sleeved on the outer side edge of the magnetic suction plate (6).

2. The detachable stereoscopic model for mathematical education as claimed in claim 1, wherein: a plurality of the cross section of bracing piece (19) sets up for L shape, just the L shape of bracing piece (19) sets up shorter one end down.

3. The detachable stereoscopic model for mathematical education as claimed in claim 1, wherein: the cross section of activity frame (22) is the setting of U type, just the U type of activity frame (22) sets up the opening up.

4. The detachable stereoscopic model for mathematical education as claimed in claim 1, wherein: the cross section of the protective cover (16) is arranged in a U shape, the U-shaped opening of the protective cover (16) faces downwards, and the top end of the threaded rod (13) is inserted into the inner cavity of the U-shaped opening of the protective cover (16).

5. The detachable stereoscopic model for mathematical education as claimed in claim 1, wherein: the first racks (12) and the adjacent gears (14) are meshed with each other, and the first racks (12) are arranged in a bilateral symmetry mode by taking the center of the protective cover (16) as a symmetry axis.

6. The detachable stereoscopic model for mathematical education as claimed in claim 1, wherein: the magnetic suction plate (6) is provided with a plurality of lines, the distances between the lines are the same, and the lines are arranged in a staggered mode.

7. The detachable stereoscopic model for mathematical education as claimed in claim 1, wherein: the front side of the glass frame (9) is provided with scale marks close to the left side and the right side, and the scale marks are arranged in a left-right symmetrical mode by taking the center of the glass frame (9) as a symmetrical axis.