Geometric projection device for mathematics teaching

Abstract

The utility model is applicable to the technical field of mathematics teaching devices, and provides a geometric projection device for mathematics teaching, which comprises a mounting rack assembly, a projection assembly is fixedly connected to the bottom of the mounting rack assembly, a mounting assembly is arranged at the bottom of the mounting rack assembly, and a projection mold is arranged at the bottom of the mounting assembly; wherein the mounting assembly comprises an upper limiting ring frame, and the bottom of the upper limiting ring frame is fixedly connected with a motor; through the arrangement of the installation assembly and the cooperation of the projection assembly, in the use process, the lifting mechanism is started and controlled to be used for lowering the position, a projection mold used for teaching is replaced through rotation according to needs, the height of the projection mold is adjusted by controlling and using the lifting mechanism, and therefore the optimal projection view angle of the projection mold and a lighting lamp is achieved; due to the arrangement of the motor, in the use process, the use direction of the projection mold can be adjusted in a rotating mode according to needs by starting and controlling the use of the motor.

Description

Technical Field

[0001] The utility model belongs to the technical field of mathematics teaching devices, and particularly relates to a geometric projection device for mathematics teaching. Background Art

[0002] With the progress and popularization of multimedia technology, the application of multimedia technology in teaching is becoming more and more extensive; as the most commonly used teaching means for teachers and schools, projectors are most closely related to traditional classroom teaching, and the essence of teaching has not changed much. Especially for some older teachers, they can basically master the use method of projectors in the shortest time and become proficient after a period of time. Moreover, due to their solid teaching basic skills, they often use projectors very proficiently and can best reflect their value; currently, during use, the projection position of the mold is often adjusted according to teaching needs, and the projection mold is replaced, but the mold is generally hoisted on the ceiling, which is rather troublesome to operate and results in a poor user experience.

[0003] Therefore, in order to avoid the above situation, it is necessary to provide a geometric projection device for mathematics teaching. Summary of the Utility Model

[0004] The utility model provides a geometric projection device for mathematics teaching, aiming to solve the problems that during current use, the projection position of the mold is often adjusted according to teaching needs, and the projection mold is replaced, but the mold is generally hoisted on the ceiling, which is rather troublesome to operate and results in a poor user experience.

[0005] The utility model is realized as follows: a geometric projection device for mathematics teaching includes a mounting frame assembly: a projection assembly is fixedly connected to the bottom of the mounting frame assembly, a mounting assembly is arranged at the bottom of the mounting frame assembly, and a projection mold is arranged at the bottom of the mounting assembly;

[0006] Among them, the mounting assembly includes an upper limit ring frame, a motor is fixedly connected to the bottom of the upper limit ring frame, the output shaft of the motor is fixedly connected to an upper connecting plate through a coupling, a lifting mechanism is arranged at the bottom of the upper connecting plate, and the bottom of the upper connecting plate is connected to a lower connecting plate through the lifting mechanism.

[0007] Preferably, the lifting mechanism includes a hydraulic rod connected between the upper connecting plate and the lower connecting plate, and a soft plastic protective sleeve is arranged on the outer wall of the hydraulic rod;

[0008] Among them, the soft plastic protective sleeve is arranged between the upper connecting plate and the lower connecting plate.

[0009] Preferably, a mounting head is fixedly connected to the bottom of the lower connecting plate, a threaded groove is formed in the inner wall of the mounting head, and the mounting head is in threaded connection with the projection mold.

[0010] Preferably, several limiting rods are fixedly connected to the outer wall of the upper connecting plate. The number of the limiting rods is multiple, and the multiple limiting rods are arranged in a circular array on the top of the upper connecting plate.

[0011] Preferably, the projection assembly includes a suspension plate fixedly arranged at the bottom of the mounting frame assembly, and a spotlight is fixedly connected to the outer wall of the suspension plate.

[0012] Preferably, the mounting frame assembly includes a mounting frame, two fixing plates are fixedly connected to the top of the mounting frame, and positioning holes are formed in the tops of the fixing plates.

[0013] Preferably, a central connection limiting hole is formed in the bottom of the mounting frame. The inner wall of the central connection limiting hole is in fitting and movable connection with the outer wall of the upper limiting ring frame. A limiting ring groove is formed around the central connection limiting hole, and the inner wall of the limiting ring groove is in fitting and movable connection with the outer wall of the top end of the limiting rod.

[0014] Compared with the prior art, the embodiments of the present application mainly have the following beneficial effects:

[0015] Through the setting of the mounting assembly and in cooperation with the use of the projection assembly, during use, start and control the lifting mechanism to lower the position, rotate as needed to replace the projection mold for teaching use, and then adjust the height of the projection mold by controlling the use of the lifting mechanism so as to achieve the best projection angle with the spotlight, and start the spotlight for projection. Among them, the setting of the motor enables, during use, by starting and controlling the use of the motor, the use direction of the projection mold to be rotated and adjusted as needed, improving the use effect of the device and providing convenience for users. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is the front view of the present utility model;

[0017] Figure 2 is the structural schematic diagram of the mounting assembly of the present utility model;

[0018] Figure 3 is the structural schematic diagram of the mounting frame assembly of the present utility model;

[0019] Figure 4 is the structural schematic diagram of the projection assembly of the present utility model.

[0020] In the figure: 1. Mounting frame assembly; 101. Fixing plate; 102. Mounting frame; 2. Mounting assembly; 201. Upper limiting ring frame; 202. Motor; 203. Limiting rod; 204. Upper connecting plate; 205. Lifting mechanism; 206. Lower connecting plate; 207. Mounting head; 3. Projection assembly; 301. Suspension plate; 302. Spotlight; 4. Projection mold. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0021] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field to which this application belongs; the terms used in the description of the application herein are for the purpose of describing specific embodiments only and are not intended to limit this application; the terms "including" and "having" and any variations thereof in the description and claims of this application and the above drawings are intended to cover non-exclusive inclusion. The terms "first", "second", etc. in the description and claims of this application or the above drawings are used to distinguish different objects and not to describe a specific order.

[0022] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in connection with the embodiments can be included in at least one embodiment of this application. The phrase appearing in various places in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment mutually exclusive with other embodiments. Those skilled in the art will explicitly and implicitly understand that the embodiments described herein can be combined with other embodiments.

[0023] An embodiment of the utility model provides a geometric projection device for mathematics teaching, as Figures 1-4 shown, including a mounting frame assembly 1: a projection assembly 3 is fixedly connected to the bottom of the mounting frame assembly 1, a mounting assembly 2 is arranged at the bottom of the mounting frame assembly 1, and a projection mold 4 is arranged at the bottom of the mounting assembly 2;

[0024] Among them, the mounting assembly 2 includes an upper limit ring frame 201, a motor 202 is fixedly connected to the bottom of the upper limit ring frame 201, an output shaft of the motor 202 is fixedly connected to an upper connecting plate 204 through a coupling, a lifting mechanism 205 is arranged at the bottom of the upper connecting plate 204, and the bottom of the upper connecting plate 204 is connected to a lower connecting plate 206 through the lifting mechanism 205;

[0025] The lifting mechanism 205 includes a hydraulic rod connected between the upper connecting plate 204 and the lower connecting plate 206, and a soft plastic protective sleeve is arranged on the outer wall of the hydraulic rod;

[0026] Among them, the soft plastic protective sleeve is arranged between the upper connecting plate 204 and the lower connecting plate 206;

[0027] A mounting head 207 is fixedly connected to the bottom of the lower connecting plate 206, a threaded groove is formed in the inner wall of the mounting head 207, and the mounting head 207 is threadedly connected to the projection mold 4;

[0028] A plurality of limiting rods 203 are fixedly connected to the outer wall of the upper connecting plate 204, the number of the limiting rods 203 is multiple, and the multiple limiting rods 203 are arranged in a circular array on the top of the upper connecting plate 204;

[0029] The projection assembly 3 includes a suspension plate 301 fixedly arranged at the bottom of the mounting frame assembly 1, and a spotlight 302 is fixedly connected to the outer wall of the suspension plate 301.

[0030] It should be noted that since the projection position of the mold is often adjusted according to teaching needs during the existing use, and the projection mold is replaced, but the mold is generally hoisted on the wall top, the operation is rather troublesome and the use experience is poor.

[0031] Specifically, in this embodiment, this solution mainly passes through the setting of the mounting assembly 2 and is used in cooperation with the projection assembly 3. During use, start and control the use of the lifting mechanism 205 to lower the position, rotate as needed to replace the projection mold 4 for teaching use, and then control the use of the lifting mechanism 205 to adjust the height of the projection mold 4 so as to achieve the best imaging angle with the spotlight 302, and start the spotlight 302 for imaging. Among them, due to the setting of the motor 202, during use, by starting and controlling the use of the motor 202, the use direction of the projection mold 4 can be rotated and adjusted as needed, improving the use effect of the device and providing convenience for users.

[0032] In a further preferred embodiment of the present utility model, as Figures 1-4 shown, the mounting frame assembly 1 includes a mounting frame 102, two fixing plates 101 are fixedly connected to the top of the mounting frame 102, and positioning holes are opened at the top of the fixing plates 101;

[0033] A central connection limit hole is opened at the bottom of the mounting frame 102, the inner wall of the central connection limit hole is in fitting and movable connection with the outer wall of the upper limit ring frame 201, and a limit ring groove is opened around the central connection limit hole, and the inner wall of the limit ring groove is in fitting and movable connection with the top outer wall of the limit rod 203.

[0034] In this embodiment, through the setting of the mounting frame assembly 1, during use, the installation and fixation of the device can be facilitated, improving the use effect of the device and providing convenience for users.

[0035] It should be noted that for the foregoing embodiments, for the sake of simple description, they are all expressed as a series of action combinations. However, those skilled in the art should know that the present utility model is not limited by the described action sequence, because according to the present utility model, certain steps may be in other sequences or carried out simultaneously. Secondly, those skilled in the art should also know that the embodiments described in the specification are all preferred embodiments, and the actions and modules involved are not necessarily essential to the present utility model.

[0036] In several embodiments provided by the present application, it should be understood that the disclosed device can be implemented in other ways. For example, the device embodiments described above are merely illustrative. For example, the division of the above-mentioned units may have other division methods in actual implementation. For example, multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the displayed or discussed coupling or communication connection between each other can be through some interfaces. The indirect coupling or communication connection between devices or units can be in the form of telecommunications or other forms.

[0037] The units described above as separate components may or may not be physically separated. The components displayed as units may or may not be physical units, that is, they can be located in one place or distributed to multiple network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of this embodiment.

[0038] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than limiting the protection scope of the invention. Obviously, the described embodiments are only some embodiments of the present invention, rather than all embodiments. Based on these embodiments, all other embodiments obtained by those of ordinary skill in the art without creative work belong to the scope of protection of the present invention. Although the present invention has been described in detail with reference to the above embodiments, those of ordinary skill in the art can still, without conflict, make combinations, additions, deletions, or other adjustments to the features in the embodiments of the present invention according to the situation without creative work, so as to obtain different technical solutions that essentially do not deviate from the concept of the present invention. These technical solutions also belong to the scope of protection of the present invention.

Claims

1. A geometric projection device for mathematics teaching, characterized in that: It comprises a mounting frame assembly (1): a projection assembly (3) is fixedly connected to the bottom of the mounting frame assembly (1), a mounting assembly (2) is arranged at the bottom of the mounting frame assembly (1), and a projection mold (4) is arranged at the bottom of the mounting assembly (2); The mounting assembly (2) comprises an upper limit ring frame (201), the bottom of the upper limit ring frame (201) is fixedly connected to a motor (202), the output shaft of the motor (202) is fixedly connected to an upper connecting plate (204) via a coupling, a lifting mechanism (205) is provided at the bottom of the upper connecting plate (204), and the bottom of the upper connecting plate (204) is connected to a lower connecting plate (206) via the lifting mechanism (205).

2. A geometry projection device for mathematics teaching as claimed in claim 1, characterized in that: The lifting mechanism (205) comprises a hydraulic rod connected between an upper connecting plate (204) and a lower connecting plate (206), and a soft plastic protective sleeve is provided on the outer wall of the hydraulic rod; Wherein, the soft plastic protective sleeve is arranged between the upper connecting plate (204) and the lower connecting plate (206).

3. A geometry projection device for mathematics teaching as claimed in claim 2, characterized in that: The bottom of the lower connecting plate (206) is fixedly connected with a mounting head (207), the inner wall of the mounting head (207) is provided with a threaded groove, and the mounting head (207) and the projection mold (4) are threadedly connected.

4. A geometric projection device for mathematics teaching as claimed in claim 3, characterized in that: A plurality of limiting rods (203) are fixedly connected to the outer wall of the upper connecting plate (204), the limiting rods (203) are multiple in number, and the multiple limiting rods (203) are arranged in a ring on the top of the upper connecting plate (204).

5. A geometry projection device for mathematics teaching as claimed in claim 1, characterized in that: The projection assembly (3) comprises a hanging plate (301) fixedly arranged at the bottom of the mounting frame assembly (1), and a lighting lamp (302) is fixedly connected to the outer wall of the hanging plate (301).

6. A geometric projection device for mathematics teaching as claimed in claim 4, characterized in that: The mounting frame assembly (1) comprises a mounting frame (102), the top of the mounting frame (102) being fixedly connected to two fixing plates (101), and the top of the fixing plates (101) being provided with positioning holes.

7. A geometry projection device for mathematics teaching as claimed in claim 6, characterized in that: A central connection limit hole is provided at the bottom of the mounting frame (102), the inner wall of the central connection limit hole is movably connected to the outer wall of the upper limit ring frame (201), and a limit ring groove is provided on the periphery of the central connection limit hole, the inner wall of the limit ring groove is movably connected to the outer wall of the top end of the limit rod (203).

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