Transformable three-dimensional set square

Abstract

The utility model is applicable to the field of teaching aid technology development, and provides a variable three-dimensional set square which comprises a second dovetail frame, a first dovetail frame is hinged to the upper end of the second dovetail frame, first scale marks are fixedly arranged on the first dovetail frame, a first sliding groove is formed in the first dovetail frame, a second sliding groove is formed in the second dovetail frame, and the first scale marks and the second scale marks are fixedly arranged on the second dovetail frame. A second supporting frame is slidably connected to the inner wall of the second sliding groove, a supporting bottom frame is hinged to one end of the second supporting frame, a hinge plate is hinged to the other end of the supporting bottom frame, a first supporting frame is fixedly connected to the hinge plate, and second scale marks are arranged on the head of the first supporting frame; the first supporting frame is slidably connected with the inner wall of the first sliding groove. The three-dimensional teaching aid has the advantages that the three-dimensional teaching aid has various functions, is of a cuboid structure after being contracted and is convenient to carry, and the three-dimensional concept of students is enhanced.

Description

Technical Field

[0001] The utility model relates to the field of teaching aid technology development, in particular to a variable three-dimensional triangle ruler. Background Art

[0002] The triangle ruler is an indispensable tool in teaching aids. It is usually made of transparent or translucent plastic, wood or metal and is widely used in various teaching scenarios.

[0003] Traditional triangle rulers have a single function, mainly limited to drawing straight lines and measuring angles, and are large and inconvenient to carry. They also lack the function of interacting with students. However, modern education requires multifunctional and interactive teaching tools, such as triangle rulers with angle indicators, scales or deformable triangle rulers, which can display three-dimensional space and add auxiliary lines. This allows teachers to intuitively see the three-dimensional model while explaining geometry problems, verify the correctness of the answers, and meet the needs of mobile convenience.

[0004] Therefore, in view of the above situation, it is urgent to develop a variable three-dimensional triangle ruler to cooperate with other combined models such as straight lines, circles, arcs, etc. to overcome the shortcomings in current practical applications. Utility Model Content

[0005] The purpose of the embodiment of the utility model is to provide a variable three-dimensional triangle ruler, aiming to solve the problems raised in the above-mentioned background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A variable three-dimensional triangle ruler comprises a second dovetail frame, the upper end of the second dovetail frame is hinged to the first dovetail frame, the first dovetail frame is fixedly provided with a first scale line, the first dovetail frame is provided with a first slide groove, the second dovetail frame is provided with a second slide groove, the inner wall of the second slide groove is slidably connected to a second support frame, one end of the second support frame is hinged to a support base frame, one side of the second support frame is provided with a third scale line, an observation groove is provided at one end of the second dovetail frame away from the first dovetail frame, the other end of the support base frame is hinged to a hinge plate, the first support frame is fixedly connected to the hinge plate, the head of the first support frame is provided with a second scale line, and the first support frame is slidably connected to the inner wall of the first slide groove.

[0008] According to a further technical solution, an angle display is embedded at one end of the second support frame close to the support base frame.

[0009] According to a further technical solution, a groove is formed on one side of the first dovetail frame and the second dovetail frame, and a knob is threadedly connected in the groove.

[0010] According to a further technical solution, a conical cylindrical base is clamped at the lower end of the support frame, a chassis is fixedly connected to the lower end of the conical cylindrical base, and a height-increasing support frame is fixedly connected to the lower end of the chassis.

[0011] According to a further technical solution, a second magnet is fixedly installed in a groove opened at the lower end of the support frame, a first magnet is fixedly installed in a groove opened at the upper end of the conical cylindrical base, and the support frame and the conical cylindrical base are also magnetically connected through the first magnet and the second magnet installed respectively.

[0012] According to a further technical solution, the edges of the second support frame, the first support frame, the second dovetail frame and the first dovetail frame are all provided with aqueducts, in which reflective materials are filled; lamps are arranged on the chassis, and the lamps are electrically connected to switches.

[0013] The utility model lifts and lowers by sliding the second support frame in the second slide groove, limits the sliding of the second dovetail frame relative to the second support frame by a knob on the second dovetail frame, lifts and lowers by sliding the second scale line in the first slide groove, limits the sliding of the first dovetail frame relative to the first support frame by a knob on the first dovetail frame, measures the scale by the first dovetail frame and the second scale line, displays the shape of the edge by cooperating with a reflective object and a lamp, measures and displays the angle by an angle display instrument, and views the value displayed on the third scale line by observing the groove. The utility model has multiple functions, is easy to carry, and can enhance the effect of students' three-dimensional concept.

[0014] In order to more clearly illustrate the structural features and effects of the present invention, the present invention is described in detail below in conjunction with the accompanying drawings and specific embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A three-dimensional structural diagram of the present utility model is shown;

[0016] Figure 2 It is a three-dimensional structural diagram of the structure of the practical part;

[0017] Figure 3 Practical Figure 2 Schematic diagram of the separated three-dimensional structure;

[0018] Figure 4 It is a three-dimensional structural schematic diagram of the conical cylindrical base part of the utility model;

[0019] Figure 5 It is a bottom-up three-dimensional structural schematic diagram of the height-increasing support frame portion of the utility model;

[0020] Figure 6 It is a three-dimensional structural schematic diagram of the supporting base frame of the utility model.

[0021] In the figure: 1-heightened support frame, 2-chassis, 3-conical cylindrical base, 4-support base, 5-second support frame, 6-hinge plate, 7-first support frame, 8-second dovetail frame, 9-knob, 10-second slide, 11-first dovetail frame, 12-first scale line, 13-first slide, 14-second scale line, 15-first magnet, 16-second magnet, 17-switch, 18-angle display, 19-observation slot. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0023] The specific implementation of the present utility model is described in detail below in conjunction with specific embodiments.

[0024] like Figure 1-6 As shown, an embodiment of the utility model provides a variable three-dimensional triangle ruler, including a second dovetail frame 8, a first dovetail frame 11 is hinged on the upper end of the second dovetail frame 8, a first scale line 12 is fixedly provided on the first dovetail frame 11, a first slide groove 13 is provided on the first dovetail frame 11, a second slide groove 10 is provided on the second dovetail frame 8, a second support frame 5 is slidably connected to the inner wall of the second slide groove 10, a third scale line (not marked in the figure) is provided on one side of the second support frame 5, an observation groove 19 is provided at one end of the second dovetail frame 8 away from the first dovetail frame 11, and the observation groove 19 is used to observe the value displayed on the third scale line, one end of the second support frame 5 is hinged to the supporting base frame 4, the other end of the supporting base frame 4 is hinged to the hinge plate 6, the first support frame 7 is rotatably connected to the hinge plate 6, the head of the first support frame 7 is provided with a second scale line 14, and the first support frame 7 is slidably connected to the inner wall of the first slide groove 13.

[0025] It can be understood that both the second support frame 5 and the hinged plate 6 can be turned 180 degrees relative to the supporting base frame 4 .

[0026] Furthermore, an angle display instrument 18 is embedded in one end of the second support frame 5 close to the support base frame 4. The size of the angle display instrument 18 is 30*20, and the angle display instrument 18 is used to measure and display the angle.

[0027] Furthermore, one side of each of the first dovetail frame 11 and the second dovetail frame 8 is provided with a groove (not marked in the figure), and a knob 9 is threadedly connected in each of the grooves. The knob 9 on the second dovetail frame 8 is used to limit the sliding of the second dovetail frame 8 relative to the second support frame 5, and the knob 9 on the first dovetail frame 11 is used to limit the sliding of the first dovetail frame 11 relative to the first support frame 7.

[0028] Furthermore, a conical cylindrical base 3 is clamped at the lower end of the support base frame 4, a bottom end of the conical cylindrical base 3 is fixedly connected to a chassis 2, and a height-increasing support frame 1 is fixedly connected to the bottom end of the chassis 2.

[0029] Further, such as Figure 3 , Figure 4 and Figure 6 As shown, a second magnet 16 is fixedly installed in a groove (not marked in the figure) opened at the lower end of the support base 4, and a first magnet 15 is fixedly installed in a groove (not marked in the figure) opened at the upper end of the conical cylindrical base 3, and the support base 4 and the conical cylindrical base 3 are also magnetically connected by the first magnet 15 and the second magnet 16 respectively installed.

[0030] Furthermore, a lamp (not marked in the figure) is provided on the chassis 2, and the lamp is electrically connected to a switch 17. The edges of the second support frame 5, the first support frame 7, the second dovetail frame 8 and the first dovetail frame 11 are all provided with aqueducts (not marked in the figure), and reflective materials (not marked in the figure) are filled in the aqueducts. The reflective materials display the shape of the edges by cooperating with the lamp.

[0031] Furthermore, the triangle ruler becomes a rectangular structure of 80*40*30 (length, width and height) after being shrunk.

[0032] In the embodiment of the utility model, the second support frame 5 is lifted and lowered by sliding in the second slide groove 10, the second dovetail frame 8 is limited to slide relative to the second support frame 5 by the knob 9 on the second dovetail frame 8, the second scale line 14 is lifted and lowered by sliding in the first slide groove 13, the first dovetail frame 11 is limited to slide relative to the first support frame 7 by the knob 9 on the first dovetail frame 11, the scale is measured by the first dovetail frame 11 and the second scale line 14, the shape of the edge is displayed by the cooperation of the reflector and the lamp, the angle is measured and displayed by the angle display instrument 18, and the value displayed on the third scale line is viewed by the observation slot 19.

[0033] It has multiple functions, is easy to carry, and can enhance students' three-dimensional concepts.

[0034] The working principle of the utility model is: by adjusting the second support frame 5 to slide in the second slide groove 10 for lifting and lowering, and by sliding the second scale line 14 in the first slide groove 13 for lifting and lowering, until reaching the target position, then tightening the knob 9 on the second dovetail frame 8 to limit the second dovetail frame 8 to slide relative to the second support frame 5, tightening the knob 9 on the first dovetail frame 11 to limit the first dovetail frame 11 to slide relative to the first support frame 7, and then observing the value through the first scale line 12, the second scale line 14, the angle display instrument 18 or the observation slot 19 as needed. In addition, turn on the switch 17, and then the switch 17 controls the lighting of the lamp, and the reflective object reflects the shape of the edge under the illumination of the lamp light.

[0035] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A deformable three-dimensional triangle ruler, characterized in that: The cam is provided with a first scale line fixedly disposed on the first dovetail frame, a first slide groove is provided on the first dovetail frame, a second slide groove is provided on the second dovetail frame, a second support frame is slidably connected to the inner wall of the second slide groove, a third scale line is provided on one side of the second support frame, an observation groove is provided on the end of the second dovetail frame away from the first dovetail frame, one end of the second support frame is hinged to a support base frame, the other end of the support base frame is hinged to a hinge plate, the first support frame is fixedly connected to the hinge plate, a second scale line is provided on the head of the first support frame, and the first support frame is slidably connected to the inner wall of the first slide groove.

2. The deformable three-dimensional set square according to claim 1, characterized in that: An angle display is embedded in one end of the second support frame close to the support base frame.

3. The deformable three-dimensional set square according to claim 1, characterized in that: A groove is formed on one side of the first dovetail frame and the second dovetail frame, and a knob is threadedly connected in the groove.

4. The deformable three-dimensional set square according to claim 3, characterized in that: The lower end of the support frame is clamped with a conical cylindrical base, the lower end of the conical cylindrical base is fixedly connected with a chassis, and the lower end of the chassis is fixedly connected with a height-increasing support frame.

5. The deformable three-dimensional set square according to claim 4, characterized in that: A second magnet is fixedly installed in a groove opened at the lower end of the support base, a first magnet is fixedly installed in a groove opened at the upper end of the conical cylindrical base, and the support base and the conical cylindrical base are also magnetically connected through the first magnet and the second magnet installed respectively.

6. The deformable three-dimensional set square according to claim 5, characterized in that: The edges of the second support frame, the first support frame, the second dovetail frame and the first dovetail frame are all provided with aqueducts, and reflective materials are filled in the aqueducts; lamps are arranged on the chassis, and the lamps are electrically connected to switches.

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