Full circle protractor with fingertip spinner function

Abstract

The utility model discloses a full circle protractor with a fingertip spinner function, which comprises a dial disc, and a convex shaft seat extending upwards is arranged at the circle center of the dial disc; one end of the rotating pointer is rotationally mounted on the convex shaft seat, and the other end extends to the outer side edge of the dial disc; the bearing is mounted in the convex shaft seat or arranged in the circle center of the dial disc; the upper finger support is arranged above the convex shaft seat; the upper finger support is arranged below the bearing, the lower finger support is arranged below the bearing, and the upper finger support and the lower finger support are mutually clamped in the bearing and form a shaft rod for the bearing to be connected in a sleeved mode, the scale disc serves as a main body of the fingertip gyroscope, and on the premise that the functions of an original full circle protractor are achieved, students can use the full circle protractor as the fingertip gyroscope. Compared with a traditional full-circle protractor, the angle measuring instrument has the two functions of angle measurement and fingertip spinner, interestingness is higher, in addition, compared with a traditional full-circle protractor, the dial disc is smaller in diameter, very mini, capable of being matched with a bearing to rotate at a high speed, very good in stability and safety and high in practicability.

Description

Technical Field

[0001] This utility model relates to the field of stationery technology, and in particular to a full-circle protractor with a fidget spinner function. Background Technology

[0002] A fidget spinner is a stress-relieving toy with great fun. It consists of a symmetrical body at the tip, with a bearing embedded in the center. A rotating body, capable of rotating relative to the tip, surrounds the bearing, creating a planar rotating object. The basic principle is similar to a traditional spinning top. To use it, several fingers are needed to grasp and flick it to make it spin.

[0003] Full-circle protractors are typically made of a circular, transparent material (such as plastic or glass), marked with graduations from 0° to 360°. The center point is aligned with the vertex of the angle. Some models are equipped with a rotating pointer or a straight arm for easy alignment of the two sides of the angle, making them particularly suitable for measuring obtuse angles greater than 180°. Currently, although there are many types of full-circle protractors on the market, the differences between them are generally limited to variations in shape or angle indication structure; they still only have the function of measuring angles, making their functionality relatively simple. Utility Model Content

[0004] To address the aforementioned problems, this invention proposes a full-circle protractor with a fidget spinner function.

[0005] The technical solution adopted in this utility model is: a full-circle protractor with a fidget spinner function, including a graduated disc, with graduated lines surrounding the outer edge of the graduated disc, and an upwardly extending convex shaft seat at the center of the graduated disc; the full-circle protractor also includes:

[0006] Rotate the pointer; one end is rotatably mounted on the convex shaft seat, and the other end extends to the outer edge of the scale disk.

[0007] The bearing is installed in the convex shaft seat or disposed inside the center of the graduated disk;

[0008] The upper finger support is positioned above the convex shaft seat;

[0009] The lower finger support is located below the bearing. The upper finger support and the lower finger support are interlocked inside the bearing to form a shaft for the bearing to fit on.

[0010] The center of the full-circle protractor is provided with a perspective area or hollow area for locating the center of the circle.

[0011] Several alternative methods are provided below, but these are not intended as additional limitations on the overall solution described above. They are merely further additions or optimizations. Provided there are no technical or logical contradictions, each alternative method can be combined individually with respect to the overall solution, or multiple alternative methods can be combined. Preferably, the convex shaft seat has a first through hole, the lower finger support has a second through hole, and the upper finger support has a third through hole. The first, second, and third through holes are vertically aligned and cooperate to form the hollow area.

[0012] Preferably, the center of the graduated disc is provided with a first groove for fitting the bearing and a second groove for fitting the lower finger support, and at least part of the first groove is arranged inside the convex shaft seat.

[0013] Preferably, the lower end face of the lower finger support is flush with the lower end face of the scale disc, or located above the lower end face of the scale disc.

[0014] Preferably, the upper end surface of the upper finger support is concave downwards, and the lower end surface of the lower finger support is concave upwards.

[0015] Preferably, the upper end of the lower finger support is provided with a locking head, and the lower end of the upper finger support is provided with a locking slot. The locking head is matched and inserted into the locking slot, and the locking head and the locking slot cooperate to form the shaft.

[0016] Preferably, the rotating pointer includes an integrally formed rotating ring and a pointer rod, wherein the rotating ring is rotatably sleeved on the outside of the convex shaft seat, and the end of the pointer rod away from the rotating ring is provided with a pointer head for cooperating with the indicating scale. The pointer rod is provided with at least one slot and at least one indicating groove line along its own extension direction center line.

[0017] Preferably, the upper end of the scale disc is provided with an annular groove for the screw ring to be fitted and placed, and a plurality of limiting blocks are arranged at intervals on the outer periphery of the convex shaft seat. The limiting blocks are used to restrict the screw ring from detaching upward from the scale disc.

[0018] Preferably, the graduated disc is made of a transparent material.

[0019] More preferably, the graduated disc has a fan-shaped opening and multiple circular holes, with one edge of the opening corresponding to the 0-degree position of the graduation line. Compared with the prior art, this invention has the following advantages:

[0020] 1. By setting a bearing, upper finger support, and lower finger support at the center of the graduated disc, a fidget spinner structure is formed. This is equivalent to using the graduated disc as the main body of the fidget spinner. While retaining the original function of a full-circle protractor, students can use the full-circle protractor as a fidget spinner, which has both angle measurement and fidget spinner functions, making it more interesting and more popular with students.

[0021] 2. The graduated disc has a smaller diameter than the traditional full-circle protractor, making it very miniature and suitable for use as a fidget spinner. It will not touch the palm of your hand. In addition, the center of gravity of the graduated disc is also concentrated at the center, which is just right to match its high-speed rotation with the follow bearing, resulting in good stability.

[0022] 3. Since the outer contour of the graduated disc is circular, there is no significant safety hazard even if the full-circle protractor is used as a fidget spinner. Attached Figure Description

[0023] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0024] Figure 1 This is an overall structural diagram from the top view in one embodiment of this application;

[0025] Figure 2 This is a bottom-view overall structural diagram of one embodiment of this application;

[0026] Figure 3 This is an overall top view of one embodiment of this application;

[0027] Figure 4 This is a schematic diagram of the lower side view structure after the lower finger support is hidden in one embodiment of this application;

[0028] Figure 5 This is an exploded view of the overall structure from the top perspective in one embodiment of this application;

[0029] Figure 6 This is an exploded view of the entire structure from a lower perspective in one embodiment of this application;

[0030] Figure 7 This is a schematic diagram of the scale disk in one embodiment of this application;

[0031] Figure 8 This is a schematic diagram of the rotating pointer in one embodiment of this application;

[0032] Figure 9This is a top view of the actual object in one embodiment of this application.

[0033] The following are the markings in the attached diagram: 1-scaled disc, 11-convex shaft seat, 111-first through hole, 12-first groove, 13-second groove, 14-annular groove, 15-limiting block, 16-through opening, 17-round hole, 18-arc-shaped ring edge, 2-rotating pointer, 21-screw ring, 22-pointer rod, 221-slot hole, 222-indicator groove line, 223-pointer head, 3-bearing, 4-lower finger support, 41-clamp head, 42-second through hole, 5-upper finger support, 51-clamp seat, 52-third through hole.

[0034] The realization of the purpose, functional features and advantages of this utility model will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0035] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0036] It should be noted that all directional indicators (such as up, down, left, right, front, back, etc.) in this utility model embodiment are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicator will also change accordingly.

[0037] Furthermore, the use of terms such as "first" and "second" in this utility model is for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. Additionally, the technical solutions of the various embodiments can be combined with each other, but only on the basis of being achievable by those skilled in the art. When the combination of technical solutions is contradictory or impossible to implement, such a combination of technical solutions should be considered non-existent and not within the scope of protection claimed by this utility model.

[0038] Detailed implementation plan: See below Figures 1-9 This utility model is a full-circle protractor with fidget spinner function, including a graduated disk 1, with graduated lines surrounding the outer edge of the graduated disk 1, and an upwardly extending convex shaft seat 11 at the center of the graduated disk 1. The full-circle protractor also includes:

[0039] Rotate pointer 2, one end of which is rotatably mounted on the convex shaft seat 11, and the other end extends to the outer edge of the scale disk 1;

[0040] The bearing 3 is installed in the convex shaft seat 11 or set inside the center of the graduated disk 1;

[0041] The upper finger support 5 is positioned above the convex shaft seat 11;

[0042] The lower finger support 4 is located below the bearing 3. The upper finger support 5 and the lower finger support 4 are interlocked inside the bearing 3 to form a shaft for the bearing 3 to be fitted.

[0043] The center of the full-circle protractor has a perspective area or hollow area for aligning with the positioning center. To facilitate understanding of the technical solution in this embodiment, the working principle of existing fidget spinners is briefly explained below:

[0044] The fidget spinner achieves continuous spinning on a fixed fulcrum provided by the finger, thanks to the rotational inertia generated by the rolling of the bearing 3. Its core structure consists of a symmetrical main body and the bearing 3, with rotation triggered by a flick of the finger. Additionally, the bearing 3 has an upper cover plate and a lower cover plate at its top and bottom ends for easy finger contact.

[0045] As a preferred embodiment of this example, please refer to Figure 4 and Figure 6 As can be seen, the center of the graduated disc 1 is provided with a first groove 12 for fitting the bearing 3 and a second groove 13 for fitting the lower finger support 4. At least part of the first groove 12 is arranged inside the convex shaft seat 11.

[0046] In this embodiment, the lower end face of the lower finger support 4 is flush with or above the lower end face of the scale disk 1. This ensures that the lower end face of the scale disk 1 is placed flat on the paper, facilitating angle measurement.

[0047] Next, when used as a fidget spinner, in order to improve the feel of operation, in this embodiment, the upper surface of the upper finger support 5 is concave downwards, and the lower surface of the lower finger support 4 is concave upwards.

[0048] Please see Figure 5 and Figure 6 As can be seen, the upper end of the lower finger support 4 is provided with a locking head 41, and the lower end of the upper finger support 5 is provided with a locking slot 51. The locking head 41 is matched and inserted into the locking slot 51, and the locking head 41 and the locking slot 51 cooperate to form a shaft.

[0049] In this embodiment, the inner ring of the bearing 3 abuts against the outer wall of the shaft, and the outer ring of the bearing 3 abuts against the inner wall of the first slot 12. When used as a fidget spinner, the user's two fingers abut against the upper finger support 5 and the lower finger support 4 respectively (the size of the scale disc 1 is very small and will not touch the palm). When the scale disc 1 is rotated, the inner ring remains stationary, and the outer ring rotates with the scale disc 1.

[0050] Then, please see Figure 7 As can be seen, in this embodiment, the upper end of the scale disk 1 is provided with an annular groove 14 for the screw ring 21 to be placed. Multiple limiting blocks 15 are arranged at intervals on the outer periphery of the convex shaft seat 11. The limiting blocks 15 are used to restrict the screw ring 21 from detaching from the scale disk 1 upward.

[0051] Here, the design of the annular groove 14 allows the rotary joint 21 to rotate more smoothly around the convex shaft seat 11.

[0052] As another preferred embodiment of this example, please refer to Figure 1 , Figure 2 , Figure 5 , Figure 6 and Figure 7 As can be seen, the convex shaft seat 11 is provided with a first through hole 111, the lower finger support 4 is provided with a second through hole 42, and the upper finger support 5 is provided with a third through hole 52. The upper and lower positions of the first through hole 111, the second through hole 42 and the third through hole 52 are corresponding and work together to form a hollow area.

[0053] In addition, please see Figure 3 and Figure 7 As can be seen, in this embodiment, the scale disk is provided with a fan-shaped opening 16 and a plurality of round holes 17, and one side edge of the opening 16 corresponds to the 0-degree position of the scale line.

[0054] Then, please see Figure 3 and Figure 8 As can be seen, the rotating pointer 2 includes an integrally formed rotating ring 21 and a pointer rod 22. The rotating ring 21 is rotatably sleeved on the outside of the convex shaft seat 11. The end of the pointer rod 22 away from the rotating ring 21 is provided with a pointer head 223 for cooperating with the indicating scale. The pointer rod 22 is provided with at least one slot 221 and at least one indicating groove line 222 along its own extension direction center line.

[0055] In this embodiment, there are two slots 221, both of which are strip-shaped slots 221, and the indicator groove line 222 is set at the upper end of the pointer rod 22. The strip-shaped slots 221 are set to observe the position of the included side of the included angle to be measured. When the included side is aligned with the indicator groove line 222, the scale position indicated by the pointer head 223 is the position corresponding to the included side.

[0056] When using the full-circle protractor in this embodiment to measure angles, the vertex of the included angle should be aligned with the hollow area (when the full-circle protractor is placed on the paper, the user can observe the handwriting on the paper through the hollow area); then one side of the included angle should be aligned with the side edge of the opening 16 corresponding to the 0-degree position; next, rotate the pointer 2 so that the other side of the included angle is aligned with the indicator groove line 222. Referring to the principle described above, the scale indicated by the pointer head 223 at this time is the angle of the included angle, and the scale can be read.

[0057] In addition, when it is necessary to draw a certain angle using the full-circle protractor in this embodiment, the method of determining an angle by three points can be used. First, draw a point on the paper, place the full-circle protractor on the paper, and align the point with the hollow area; then, draw points on the edge of the scale disk 1 corresponding to 0 degrees and the desired degree, respectively. The point located in the hollow area is the vertex. Connect the vertex to the other two points respectively to draw the included angle.

[0058] Then, please see Figure 1 As can be seen in this embodiment, the outer periphery of the graduated disk 1 is provided with an upwardly arched arc-shaped edge 18, and the pointer head 223 is curved and positioned above the arc-shaped edge 18. The design of the arc-shaped edge 18 helps to rotate the pointer 2 more smoothly and increases the structural strength of the graduated disk 1, thus improving the product's texture. Furthermore, by designing the arc-shaped edge 18, the outer periphery of the graduated disk 1 is heavier than the inner periphery, resulting in better rotational stability and faster rotation speed when the graduated disk 1 rotates around the bearing 3.

[0059] For more details, please see Figure 9 To facilitate angle measurement, in this embodiment, the graduated disk 1 is made of transparent material.

[0060] The above description of a full-circle protractor with fidget spinner function is only a preferred embodiment of this utility model and does not limit the patent scope of this utility model. All equivalent structural transformations made using the contents of this utility model specification and drawings under the inventive concept of this utility model, or direct / indirect applications in other related technical fields, are included within the patent protection scope of this utility model.

Claims

1. A full-circle protractor with fidget spinner function, comprising a graduated disc, wherein graduated lines are arranged around the outer edge of the graduated disc, characterized in that, The graduated disc has an upwardly extending convex shaft seat at its center, and the full-circle protractor also includes: Rotate the pointer; one end is rotatably mounted on the convex shaft seat, and the other end extends to the outer edge of the scale disk. The bearing is installed in the convex shaft seat or disposed inside the center of the graduated disk; The upper finger support is positioned above the convex shaft seat; The lower finger support is located below the bearing. The upper finger support and the lower finger support are interlocked inside the bearing to form a shaft for the bearing to fit on. The center of the full-circle protractor is provided with a perspective area or hollow area for locating the center of the circle.

2. A full-circle protractor with fidget spinner function according to claim 1, characterized in that, The convex shaft seat is provided with a first through hole, the lower finger support is provided with a second through hole, and the upper finger support is provided with a third through hole. The first through hole, the second through hole, and the third through hole are positioned vertically and cooperate to form the hollow area.

3. A full-circle protractor with fidget spinner function according to claim 2, characterized in that, The graduated disc has a first groove at its center for placing the bearing and a second groove for placing the lower finger support. At least part of the first groove is arranged inside the convex shaft seat.

4. A full-circle protractor with fidget spinner function according to claim 3, characterized in that, The lower end face of the lower finger support is flush with the lower end face of the scale disc, or located above the lower end face of the scale disc.

5. A full-circle protractor with fidget spinner function according to claim 3, characterized in that, The upper end face of the upper finger support is concave downwards, and the lower end face of the lower finger support is concave upwards.

6. A full-circle protractor with fidget spinner function according to claim 5, characterized in that, The upper end of the lower finger support is provided with a locking head, and the lower end of the upper finger support is provided with a locking slot. The locking head is matched and inserted into the locking slot, and the locking head and the locking slot cooperate to form the shaft.

7. A full-circle protractor with fidget spinner function according to any one of claims 1-6, characterized in that, The rotating pointer includes an integrally formed rotating ring and a pointer rod. The rotating ring is rotatably sleeved on the outside of the convex shaft seat. The end of the pointer rod away from the rotating ring is provided with a pointer head for cooperating with the indicating scale. The pointer rod is provided with at least one slot and at least one indicating groove line along its own extension direction center line.

8. A full-circle protractor with fidget spinner function according to claim 7, characterized in that, The upper end of the scale disc is provided with an annular groove for the screw ring to be fitted and placed. Multiple limiting blocks are arranged at intervals on the outer periphery of the convex shaft seat. The limiting blocks are used to restrict the screw ring from detaching from the scale disc upward.

9. A full-circle protractor with fidget spinner function according to claim 1, characterized in that, The graduated disc is made of transparent material.

10. A full-circle protractor with fidget spinner function according to claim 1, characterized in that, The graduated disc has a fan-shaped opening and multiple circular holes, with one edge of the opening corresponding to the 0-degree position of the graduation line.

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