Toy rotating mechanism with adjustable dynamic balance

Abstract

The utility model provides a toy rotating mechanism with adjustable dynamic balance, which comprises a rotating body and a supporting body, the axis of the rotating body is provided with an assembly hole, the supporting body is arranged in the assembly hole, the rotating body is provided with a plurality of balance adjusting cavities, the balance adjusting cavities can be used for placing counter weight bodies, and the counter weight bodies are arranged on the rotating body. And the size of the counterweight body is smaller than or equal to that of the balance adjusting cavity. The balance adjusting cavities are reserved in the rotating body and used for containing the balance weights, the purpose of adjusting the dynamic balance of a product can be achieved by adjusting the number of the placed balance weights, or placing the balance weights made of different materials or placing the balance weights in the balance adjusting cavities at different positions, balance adjustment through the mode of polishing the rotating body is not needed, and the production efficiency is improved. Therefore, the dynamic balance adjusting operation is more convenient and quicker, the cost is lower, appearance flaws such as polishing marks cannot be left on the surface or the inner side of a product, and the attractiveness of the product can be guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of toys, in particular to a toy rotating mechanism with adjustable dynamic balance. Background Art

[0002] At present, for rotating toys and handicrafts such as gyroscopes and fingertip gyroscopes, after being processed and formed by means such as CNC precision carving and die casting, due to problems such as insufficient processing accuracy and insufficient raw material uniformity, the dynamic balance of the products is often imperfect, and jitter will occur during rotation. The existing technical means to solve such problems are often to adjust the balance by manually grinding and cutting the products. This method is time-consuming, laborious and costly, and it is inevitable to produce unsightly grinding marks on the surface or inside of the products, damaging the appearance of the products and devaluing the shaping process value. Content of the Utility Model

[0003] To solve the above problems, the purpose of the utility model is to provide a toy rotating mechanism with adjustable dynamic balance. By reserving a plurality of balance adjustment cavities on the rotating body for placing counterweights, by adjusting the number of counterweights placed, or placing counterweights of different materials, or placing the counterweights in the balance adjustment cavities at different positions, the purpose of adjusting the dynamic balance of the product can be achieved, and grinding can be avoided.

[0004] The utility model is realized by the following method: a toy rotating mechanism with adjustable dynamic balance, including a rotating body and a support body. An assembly hole is opened at the axis center of the rotating body, the support body is installed in the assembly hole, a plurality of balance adjustment cavities are opened on the rotating body, the balance adjustment cavities can be used for placing counterweights, and the size of the counterweight is less than or equal to the size of the balance adjustment cavity.

[0005] Preferably, the plurality of balance adjustment cavities form a group of balance groove groups, and multiple groups of the balance groove groups are rotationally arranged on the rotating body in a rotation array centered on the axis center of the rotating body.

[0006] Preferably, the rotating body includes a connecting part and a counterweight part. The assembly hole is opened at the axis center of the connecting part, and a plurality of the counterweight parts are arranged in an array on the outer peripheral surface of the connecting part, and the balance groove group is arranged on the counterweight part.

[0007] Preferably, the balance groove groups are mirror-image arranged on the upper surface and the lower surface of the counterweight part.

[0008] Preferably, detachable decorative covers are arranged on the upper surface and the lower surface of the counterweight part.

[0009] Preferably, the decorative cover is magnetically connected, or screw-connected, or adhesively connected to the counterweight part.

[0010] Preferably, the balance adjustment cavity is spherical, the counterweight is spherical, the decorative cover is provided with a hemispherical positioning groove, and the corresponding position of the counterweight part is provided with a hemispherical placement groove. After the positioning groove and the placement groove are butted, the balance adjustment cavity is formed for limiting and placing the counterweight.

[0011] Preferably, the balance adjustment cavity is rectangular, the counterweight is a cuboid or a cube, the decorative cover is provided with a rectangular positioning groove, and the corresponding position of the counterweight part is provided with a rectangular placement groove. After the positioning groove and the placement groove are butted, the balance adjustment cavity is formed for limiting and placing the counterweight.

[0012] Preferably, a positioning convex part is arranged at a position of the decorative cover avoiding the balance adjustment cavity, and a positioning concave part is arranged at a position of the counterweight part avoiding the balance adjustment cavity; alternatively, a positioning concave part is arranged at a position of the decorative cover avoiding the balance adjustment cavity, and a positioning convex part is arranged at a position of the counterweight part avoiding the balance adjustment cavity; the positioning concave part and the positioning convex part are cooperatively positioned.

[0013] Preferably, the rotating body includes a first armor plate, a second armor plate and a connecting frame. The assembly hole is opened at the center of the connecting frame. The first armor plate and the second armor plate are relatively covered on the connecting frame and are detachable; a plurality of groups of the balance groove groups are annularly arranged between the first armor plate and the second armor plate.

[0014] The beneficial effects of the present utility model are as follows: The present utility model provides a toy rotating mechanism with adjustable dynamic balance. Compared with the prior art, the present utility model has at least the following technical effects: 1. By reserving a plurality of balance adjustment cavities on the rotating body for placing counterweights, the dynamic balance of the product can be adjusted by adjusting the number of placed counterweights, or placing counterweights of different materials, or placing counterweights in balance adjustment cavities at different positions, without the need to adjust the balance by grinding, making the dynamic balance adjustment operation more convenient and fast, and there will be no appearance defects such as grinding marks left on the surface and inside of the product, so that the adjustment of the counterweight does not affect the beauty of the appearance surface. 2. By combining a plurality of balance adjustment cavities into a balance groove group and arranging the balance groove groups in a circumferential array, it helps to adjust the balance more quickly. 3. By setting the decorative cover to block the counterweights and the balance adjustment cavities, the placed counterweights can be limited and fixed, and it can also play a decorative role, making the appearance of the toy rotating mechanism more beautiful. 4. By adjusting the number and position of the counterweights placed in the balance groove group of the first armor plate and the second armor plate, the balance can be adjusted; and the balance groove group is located between the first armor plate and the second armor plate, and the two can be symmetrically covered and connected together to be fixed on the connection frame, and the balance groove group is wrapped to avoid leakage, ensuring the appearance is beautiful; and the first armor plate and the second armor plate are detachable, and by installing the first armor plate and the second armor plate of different materials, the center of gravity distribution and the rotation feel of the toy rotating mechanism can also be adjusted. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is an exploded view of a toy rotating mechanism with adjustable dynamic balance according to Embodiment 1 of the present utility model.

[0016] Figure 2 is a view of the toy rotating mechanism with adjustable dynamic balance according to Embodiment 1 of the present utility model after removing the decorative cover.

[0017] Figure 3 is a schematic structural view of the rotating body of the toy rotating mechanism with adjustable dynamic balance according to Embodiment 1 of the present utility model.

[0018] Figure 4 is a schematic structural view of the toy rotating mechanism with adjustable dynamic balance according to Embodiment 1 of the present utility model.

[0019] Figure 5 is an exploded view of a toy rotating mechanism with adjustable dynamic balance according to Embodiment 2 of the present utility model.

[0020] Figure 6 is a schematic structural view of the toy rotating mechanism with adjustable dynamic balance according to Embodiment 2 of the present utility model.

[0021] Explanation of the reference numerals in the drawings: 1 - rotating body, 11 - assembly hole, 12 - connecting part, 13 - counterweight part, 14 - first armor plate, 15, second armor plate, 16 - connecting frame, 2 - support body, 3 - balance adjustment cavity, 31 - positioning groove; 32 - placement groove; 4 - counterweight body, 5 - decorative cover, 6 - positioning convex part, 7 - positioning concave part. Specific implementation manner

[0022] The following further describes the present utility model in conjunction with the drawings and specific embodiments.

[0023] Embodiment 1

[0024] Please refer to Figures 1 to 4 , a toy rotating mechanism with adjustable dynamic balance, comprising a rotating body 1 and a support body 2. An assembly hole 11 is provided at the axis center of the rotating body 1, the support body 2 is installed in the assembly hole 11, and a plurality of balance adjustment cavities 3 are provided on the rotating body 1. The balance adjustment cavities 3 can be used to place counterweight bodies 4, and the size of the counterweight body 4 is less than or equal to the size of the balance adjustment cavity 3. By reserving a plurality of balance adjustment cavities 3 on the rotating body 1 for placing counterweight bodies 4, by adjusting the number of placed counterweight bodies 4, or placing counterweight bodies 4 of different materials, or placing the counterweight bodies 4 in the balance adjustment cavities 3 at different positions, the purpose of adjusting the dynamic balance of the product can be achieved. There is no need to adjust the balance by grinding, making the dynamic balance adjustment more convenient and fast, and there will be no scratches on the surface and inside of the product. Adjusting the counterweight does not affect the beauty of the appearance surface.

[0025] Please refer to Figures 1 to 4 , preferably, a plurality of the balance adjustment cavities 3 form a group of balance groove groups, and multiple groups of the balance groove groups are rotationally arranged on the rotating body 1 in a circular array with the axis center of the rotating body 1 as the center. By combining a plurality of balance adjustment cavities 3 into a balance groove group and arranging the balance groove groups in a circumferential array, it is helpful to adjust the balance more quickly.

[0026] Please refer to Figures 1 to 4 , preferably, the rotating body 1 includes a connecting part 12 and a counterweight part 13. The assembly hole 11 is provided at the axis center of the connecting part 12, and a plurality of the counterweight parts 13 are arranged in an array on the outer peripheral surface of the connecting part 12. The balance groove group is provided on the counterweight part 13. It is convenient for processing and assembly.

[0027] Please refer to Figures 1 to 4 , preferably, the balance groove groups are symmetrically arranged on the upper and lower sides of the counterweight part 13. It is convenient for production and manufacturing. The balance groove groups on the upper and lower sides can respectively adjust the dynamic balance of the upper and lower sides of the rotating body.

[0028] Please refer to Figures 1 to 4Preferably, the upper and lower surfaces of the counterweight part 13 are provided with a detachable decorative cover 5 for limiting the counterweight body 4 in the balancing cavity 3. It is convenient to fix the counterweight body 4 to prevent it from shaking and making abnormal noise when the rotating body 1 rotates.

[0029] Preferably, the decorative cover 5 is connected to the counterweight 13 by magnetism, screws, or adhesive, but the invention is not limited thereto, and the decorative cover 5 can be easily disassembled and assembled to facilitate the installation of a suitable counterweight 4, thereby improving the efficiency of adjusting the dynamic balance.

[0030] See also Figures 1 to 4 Preferably, the balancing cavity 3 is spherical, the counterweight body 4 is a sphere, the decorative cover 5 is provided with a hemispherical positioning groove 31, and the corresponding position of the counterweight part 13 is provided with a hemispherical placement groove 32. The positioning groove 31 and the placement groove 32 are connected to form the balancing cavity 3, which is used to limit the placement of the counterweight body 4. The positioning groove 31 and the placement groove 32 correspond one by one, and the counterweight body 4 can be well fixed on the designated balancing cavity 3. The balancing cavity 3 can also be arc-shaped or other shapes, but is not limited thereto.

[0031] Preferably, the balancing cavity 3 is rectangular, the counterweight 4 is a cuboid or a cube, a rectangular positioning groove 31 is provided on the decorative cover 5, and a rectangular placement groove 32 is provided at a corresponding position of the counterweight portion 13. The positioning groove 31 and the placement groove 32 are connected to form the balancing cavity 3, and are used to cooperate with the balancing cavity 3 to limit the counterweight 4. The positioning groove 31 and the placement groove 32 correspond one-to-one, and the counterweight 4 can be well limited and fixed on the designated balancing cavity 3. The balancing cavity can also be cylindrical, rhombus, triangular pyramid, cone, etc., but is not limited thereto.

[0032] See also Figures 1 to 3 Preferably, the decorative cover 5 is provided with a positioning protrusion 6 at a position avoiding the adjusting balance cavity 3, and the counterweight 13 is provided with a positioning recess 7 at a position avoiding the adjusting balance cavity 3; or, the decorative cover 5 is provided with a positioning recess 7 at a position avoiding the adjusting balance cavity 3, and the counterweight 13 is provided with a positioning protrusion 6 at a position avoiding the adjusting balance cavity 3; the positioning recess 7 cooperates with the positioning protrusion 6 for positioning. This plays a role in rapid positioning of the decorative cover 5 and the counterweight 13, and helps to improve the assembly efficiency of the decorative cover 5 and the counterweight 13.

[0033] This embodiment has the following working principle:

[0034] By reserving a plurality of balance adjustment cavities 3 on the rotating body 1 for placing counterweights 4, when the toy rotating mechanism has unbalanced jitter during the rotation test, remove the decorative cover 5, select the appropriate number and material of counterweights 4, and place the counterweights 4 one by one on the balance adjustment cavities 3 at appropriate positions. Then cover it and conduct the test again, and repeat the above steps until the rotation process of the toy rotating mechanism no longer jitters, so as to achieve the purpose of adjusting the dynamic balance of the product. There is no need to adjust the balance by grinding, making the dynamic balance adjustment more convenient and fast, and there will be no appearance defects such as grinding marks on the surface and inside of the product, which helps to ensure the beauty of the product. When balanced, there is no need to place counterweights in the balance adjustment cavities 3. It forms a gyroscope; or the support body is the axis of the toy Ferris wheel, and the rotating body is connected to the bracket of the car part of the toy Ferris wheel; or the support body is the rotating shaft of the toy windmill, and the rotating body is connected to the blades of the windmill; the above are only some of the preferred implementation cases, but the toy rotating mechanism in this case is not limited to being applied in the above toys.

[0035] Embodiment 2

[0036] Please refer to Figures 5 to 6 , the difference between this embodiment and Embodiment 1 is that: the rotating body 1 includes a first armor plate 14, a second armor plate 15 and a connecting frame 16, the assembly hole is opened at the center of the connecting frame 16, the first armor plate 14 and the second armor plate 15 are relatively covered on the connecting frame 16, and the first armor plate 14 and the second armor plate 15 can be disassembled and replaced; a plurality of groups of the balance groove groups are annularly arranged between the first armor plate 14 and the second armor plate 15. By adjusting the placement material, quantity and position of the counterweights placed in the balance groove groups in the first armor plate 14 and the second armor plate 15, the balance can be adjusted; and the balance groove groups are located between the first armor plate 14 and the second armor plate 15, and the two are symmetrically covered together and can be fixed on the connecting frame 16, and the balance groove groups are wrapped to avoid leakage, ensuring the appearance is beautiful. The balance adjustment cavities 3 of several groups of the balance groove groups can be separately opened on the surfaces of the second armor plate 15 and the first armor plate 14 facing each other, and the two are not connected to each other, separated by the connecting frame 16. The balance adjustment cavities 3 of the remaining groups of the balance groove groups are opened on the surfaces where the first armor plate 14 and the second armor plate 15 can contact each other. Half of the balance adjustment cavity 3 is opened on the lower surface of the first armor plate 14, and the other half of the balance adjustment cavity 3 is opened on the upper surface of the second armor plate 15. By installing the first armor plate 14 and the second armor plate 15 of different materials, the center of gravity distribution and rotation feel of the toy rotating mechanism can also be adjusted.

[0037] The working principle of this embodiment is as follows:

[0038] By reserving a plurality of balance adjustment cavities 3 on the first armor plate 14 and the second armor plate 15 on the rotating body 1 for placing the counterweight bodies 4, when the toy rotating mechanism has unbalanced jitter during the rotation test, remove the first armor plate 14 and the second armor plate 15 from the connecting frame 16, select an appropriate number of counterweight bodies 4, place the counterweight bodies 4 one by one on the balance adjustment cavities 3 at appropriate positions, then align and install the first armor plate 14 and the second armor plate 15 on the connecting frame 16 and conduct the test again, and repeat the above steps until the rotation process of the toy rotating mechanism no longer has jitter, so as to achieve the purpose of adjusting the dynamic balance of the product without adjusting the balance by grinding, making the dynamic balance adjustment more convenient and fast, and not leaving appearance defects such as grinding marks on the surface and inside of the product, which helps to ensure the beauty of the product. When balanced, there is no need to place counterweight bodies in the balance adjustment cavities 3. The rotating body can be the rotating part of a fingertip gyro, and the middle support body plays a supporting role; it can also be that the rotating body and the support body form a gyro together; or the support body is the axis of a toy Ferris wheel, and the rotating body is connected to the bracket of the car part of the toy Ferris wheel; or the support body is the rotating shaft of a toy windmill, and the rotating body is connected to the blades of the windmill; the above are only some of the preferred embodiments, but the toy rotating mechanism in this case is not limited to being applied in the above toys.

[0039] It should be noted that: First, in the description of this application, it should be noted that unless otherwise specified and limited, the terms "installation", "connection", and "coupling" should be understood in a broad sense, which can be a mechanical connection or an electrical connection, or can also be the communication inside two components, and can be directly connected. "Up", "down", "left", "right", etc. are only used to represent the relative position relationship. When the absolute position of the object being described changes, the relative position relationship may change.

[0040] Second: In the attached drawings of the disclosed embodiments of the present utility model, only the structures related to the disclosed embodiments are involved. For other structures, reference can be made to the general design. Without conflict, the same embodiment and different embodiments of the present utility model can be combined with each other.

[0041] Finally, the above is only the preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above embodiments. All technical solutions falling within the idea of the present utility model belong to the protection scope of the present utility model.

[0042] It should be pointed out that for those of ordinary skill in the art in this technical field, several improvements and refinements made without departing from the principle of the present utility model should also be regarded as within the protection scope of the present utility model.

Claims

1. A toy rotating mechanism with adjustable dynamic balance, comprising a rotating body and a support body, characterized in that: An assembly hole is provided at the axis center of the rotating body, the support body is installed in the assembly hole, a plurality of balance adjustment cavities are provided on the rotating body, the balance adjustment cavities can be used to place weight bodies, and the size of the weight body is less than or equal to the size of the balance adjustment cavity.

2. The toy rotating mechanism with adjustable dynamic balance according to claim 1, characterized in that: A plurality of the balance adjustment cavities form a set of balance groove groups, and multiple sets of the balance groove groups are rotationally arrayed on the rotating body with the axis center of the rotating body as the center.

3. A toy rotating mechanism with adjustable dynamic balance according to claim 2, characterized in that: The rotating body includes a connection part and a weight part, the assembly hole is provided at the axis center of the connection part, a plurality of the weight parts are arrayed on the outer peripheral surface of the connection part, and the balance groove group is arranged on the weight part.

4. A toy rotating mechanism with adjustable dynamic balance according to claim 3, characterized in that: The balance groove groups are symmetrically arranged on the upper and lower sides of the weight part.

5. The toy rotating mechanism with adjustable dynamic balance according to claim 3, characterized in that: Detachable decorative covers are provided on the upper surface and the lower surface of the weight part.

6. The toy rotating mechanism with adjustable dynamic balance according to claim 5, characterized in that: The decorative cover is magnetically connected to the weight part, or connected by screws, or connected by adhesive.

7. A toy rotating mechanism with adjustable dynamic balance according to claim 5, characterized in that: The balance adjustment cavity is spherical, the weight body is a sphere, a hemispherical positioning groove is provided on the decorative cover, and a hemispherical placement groove is provided at the corresponding position of the weight part. After the positioning groove and the placement groove are butted, they form the balance adjustment cavity for positioning and placing the weight body.

8. A toy rotating mechanism with adjustable dynamic balance according to claim 5, characterized in that: The balance adjustment cavity is rectangular, the weight body is a cuboid or a cube, a rectangular positioning groove is provided on the decorative cover, and a rectangular placement groove is provided at the corresponding position of the weight part. After the positioning groove and the placement groove are butted, they form the balance adjustment cavity for limiting and placing the weight body.

9. The toy rotating mechanism with adjustable dynamic balance according to claim 5, wherein: A positioning convex part is provided on the decorative cover at a position avoiding the balance adjustment cavity, and a positioning concave part is provided on the weight part at a position avoiding the balance adjustment cavity; or, a positioning concave part is provided on the decorative cover at a position avoiding the balance adjustment cavity, and a positioning convex part is provided on the weight part at a position avoiding the balance adjustment cavity; the positioning concave part and the positioning convex part are cooperatively positioned.

10. A toy rotating mechanism with adjustable dynamic balance according to claim 2, characterized in that: The rotating body includes a first armor plate, a second armor plate and a connection frame, the assembly hole is provided at the center of the connection frame; the first armor plate and the second armor plate are relatively covered and connected to the connection frame and are detachable; multiple sets of the balance groove groups are annularly arrayed between the first armor plate and the second armor plate.

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