A gyro launch assembly

Abstract

The present invention relates to a gyroscope launching assembly, which includes a main body, a launching shaft is provided on the main body, and the launching shaft extends in the horizontal direction; a launching mechanism, which includes a launching member and an elastic member, the launching member is hinged to the launching shaft, a mounting groove is provided on the side of the launching member away from the main body, and the mounting groove is located below the launching shaft, the elastic member is respectively connected to the launching member and the main body, and the elastic member drives the launching member to rotate upward around the launching shaft; a gyroscope, the bottom of the gyroscope can be detachably inserted into the mounting groove; a driving mechanism, the driving mechanism is installed in the main body, and when the bottom of the gyroscope is inserted into the mounting groove, the driving mechanism drives the gyroscope to rotate. In the process of launching the gyroscope, the gyroscope realizes an upward bouncing action under the drive of the launching member, which improves the fun of the gyroscope battle.

Description

Technical Field

[0001] The invention relates to the field of gyro guns, in particular to a gyro launching assembly. Background Art

[0002] The shape of the spinning top is round on the upper part and pointed on the lower part. It was mostly made of wood in the past, but is now mostly made of plastic or iron. When playing, the spinning top is usually mounted on a launching gun with the bottom facing downward, and the top is rotated by a spring, causing it to fall directly from the launching gun and spin. The gaming experience is poor and the game is not very interesting. Summary of the invention

[0003] The object of the present invention is to provide a gyro launching assembly to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the present invention adopts the following technical scheme: a gyroscope launching assembly, comprising a main body, on which is provided an ejection shaft, and the ejection shaft extends in a horizontal direction; a launching mechanism, wherein the launching mechanism comprises a launching member and an elastic member, wherein the launching member is hinged to the ejection shaft, and a mounting groove is provided on a side of the launching member away from the main body, and the mounting groove is located below the ejection shaft, the elastic member is respectively connected to the launching member and the main body, and the elastic member drives the launching member to rotate upward around the ejection shaft; a gyroscope, wherein the bottom of the gyroscope is detachably inserted into the mounting groove; and a driving mechanism, wherein the driving mechanism is installed on the main body, and when the bottom of the gyroscope is inserted into the mounting groove, the driving mechanism drives the gyroscope to rotate.

[0005] Furthermore, the launching component includes a launching panel and a base, the launching panel is connected to the base, a receiving bin is provided on one side of the main body, the receiving bin is located below the ejection shaft, and when the launching component and the main body are closed, the launching panel abuts against the side of the main body, and the base is located in the receiving bin.

[0006] Furthermore, a blocking portion is provided on the surface of the base, and when the launching member rotates upward around the ejection shaft, the inner wall of the receiving bin is located on the moving track of the blocking portion.

[0007] Furthermore, a locking member is provided in the main body, and the locking member includes a slidable limit block. A limit groove is provided on the base. When the launching member and the main body are closed, the limit groove is located on the moving track of the limit block. The limit block is used to prevent the base from popping out of the receiving bin.

[0008] Furthermore, the locking member also includes a pressing plate, a slider, a first reset member and a second reset member, the pressing plate moves in a vertical direction, the first reset member is respectively connected to the pressing plate and the main body, the first reset member applies an upward elastic force to the pressing plate, the slider moves in a horizontal direction, the limit block is located on the slider, the second reset member is respectively connected to the slider and the main body, the second reset member applies an elastic force to the slider in the direction of the limit groove, the pressing plate is provided with an inclined surface, the inclined surface is inclined relative to the horizontal plane, the slider is provided with a force-bearing portion, the inclined surface is in contact with the force-bearing portion, when the pressing portion moves downward, the force-bearing portion slides along the inclined surface, and the slider moves in a direction away from the limit groove.

[0009] Furthermore, the pressing plate is provided with a first hollow hole extending vertically, the sliding block is provided with a second hollow hole extending horizontally, and a limiting column is fixed in the main body, and the limiting column passes through the first hollow hole and the second hollow hole.

[0010] Further, the mounting groove is located in the base, a connector is provided in the mounting groove, the connector is provided with a blind hole for accommodating a gyroscope pin, a first reset spring is connected between the connector and the base, an extension direction of the first reset spring is the same as an extension direction of the blind hole, a protrusion is provided on a side of the connector, a buckling portion is provided in the base, when the connector moves into the base, the buckling portion is buckled with the protrusion, the buckling portion limits the movement of the connector, and when the elastic member drives the launching member to rotate upward around the ejection shaft, the buckling portion disengages from the protrusion.

[0011] Furthermore, a second return spring is connected between the holding portion and the base, the second return spring applies an elastic force to the holding portion toward the protrusion, the holding portion is provided with a toggle block, the toggle block extends in a direction away from the second return spring, and one end of the toggle block is exposed outside the base, when the elastic member drives the launching member to rotate upward around the ejection shaft, the moving trajectory of the end of the toggle block away from the second return spring intersects with the edge of the receiving bin.

[0012] Furthermore, the connector is provided with a hook portion, and the hook portion extends into the blind hole. When the gyro pin is inserted into the blind hole, the hook portion holds the gyro pin.

[0013] Furthermore, the driving mechanism includes a rotating wheel, a connecting arm, a driving shaft, a driving gear and a plurality of intermediate gears, the driving shaft is located on a side of the main body opposite to the launching element, one end of the connecting arm is hinged to the rotating wheel, the other end of the connecting arm is hinged to the driving shaft, the driving shaft is connected to the intermediate gear, the driving shaft drives the intermediate gear to rotate, a plurality of intermediate gears are meshed with each other, the driving gear is meshed with one of the intermediate gears, the driving gear is partially exposed in the mounting groove, a circle of teeth is provided on the outer surface of the gyroscope, and the driving gear is meshed with the teeth.

[0014] The beneficial effects of the present invention are as follows: when the launcher and the main body are closed, the bottom of the gyroscope is aligned with the installation slot and inserted, then the main body is held, the side of the main body with the launcher is directed toward the gyroscope battle platform, the driving member is controlled to rotate the gyroscope, and the launcher is released. The launcher rotates upward under the drive of the elastic member and throws the gyroscope out of the installation slot. When the user launches the gyroscope, the gyroscope realizes an upward bouncing action under the drive of the launcher, and in addition to the rotation of the gyroscope around its own axis, the pins of the gyroscope are flipped downward, and the gyroscope changes from a horizontal state to an upright state, thereby increasing the performance action when the gyroscope is launched and improving the fun of the gyroscope battle. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings further illustrate the present invention, but the embodiments in the accompanying drawings do not constitute any limitation to the present invention.

[0016] Figure 1 A schematic diagram of a structure provided for an embodiment of the present invention;

[0017] Figure 2 It is a structural schematic diagram of the main body of the present invention;

[0018] Figure 3 It is a schematic diagram of the structure of a gyroscope;

[0019] Figure 4 It is a schematic diagram of the structure inside the main body;

[0020] Figure 5 It is a schematic diagram of the structure of the launcher;

[0021] Figure 6 is a schematic diagram of the structure of the base;

[0022] Figure 7 is a schematic diagram of the structure of a locking member;

[0023] Figure 8 is a cross-sectional view of a locking member;

[0024] Fig. 9 is a schematic diagram of the structure of the connector;

[0025] Fig.10 is a structural schematic diagram of the driving mechanism;

[0026] In the figure: 1-main body; 11-ejection shaft; 12-receiving chamber; 13-limiting block; 14-pressing plate; 141-pressing switch; 142-inclined surface; 143-first hollow hole; 15-slider; 151-force bearing part; 152-second hollow hole; 16-first reset member; 17-second reset member; 18-limiting column; 2-launching mechanism; 21-launching member; 211-launching panel; 212- Base; 2121-blocking part; 2122-limiting groove; 22-elastic member; 23-installing groove; 231-connector; 2311-bump; 232-blind hole; 233-hook; 234-second return spring; 235-holding part; 236-sliding block; 3-gyro; 4-driving mechanism; 41-rotating wheel; 42-connecting arm; 43-driving shaft; 44-driving gear; 45-intermediate gear. DETAILED DESCRIPTION

[0027] like Figure 1-2 As shown in , a gyroscope launching assembly provided by an embodiment of the present invention includes a main body 1 , a launching mechanism 2 , a gyroscope 3 and a driving mechanism 4 .

[0028] like Figure 2-5 As shown in , the main body 1 is provided with an ejection shaft 11, and the ejection shaft 11 extends in the horizontal direction. The launching mechanism 2 includes a launching member 21 and an elastic member 22. The first end of the launching member 21 is hinged to the ejection shaft 11, and the launching member 21 can rotate up and down around the ejection shaft 11. The side of the launching member 21 away from the main body 1 is provided with a mounting groove 23, and the mounting groove 23 is located below the ejection shaft 11. The bottom of the gyroscope 3 can be detachably inserted into the mounting groove 23. The elastic member 22 is connected to the launching member 21 and the main body 1 respectively, and the elastic member 22 drives the launching member 21 to rotate upward around the ejection shaft 11. In this embodiment, the elastic member 22 is a torsion spring, which is located below the ejection shaft 11, and one end of the torsion spring is fixed to the main body 1, and the other end of the torsion spring is fixed to the launching member 21. The torsion spring applies elastic force to the launching member 21 so that the launching member 21 rotates upward around the ejection shaft 11. In other embodiments, the elastic member 22 may be a spring, and both ends of the spring are respectively fixed to the main body 1 and the launch member 21. The driving mechanism 4 is installed on the main body 1. When the bottom of the gyroscope 3 is inserted into the mounting groove 23, the driving mechanism 4 drives the gyroscope 3 to rotate. Before the gyroscope 3 is launched from the mounting groove 23, the driving mechanism 4 can make the gyroscope 3 rotate in advance.

[0029] like Figure 2-5As shown in , in the actual operation process, the launch member 21 is first manually flipped downward around the ejection shaft 11 to close the launch member 21 and the main body 1, and the gyroscope 3 is placed horizontally or obliquely, and the bottom of the gyroscope 3 is aligned with the mounting groove 23 and inserted, and then the main body 1 is held, and the side of the main body 1 with the launch member 21 is directed toward the battle platform of the gyroscope 3, and the driving member is controlled to rotate the gyroscope 3, and the launch member 21 is released. The launch member 21 rotates upward under the drive of the elastic member 22 and throws the gyroscope 3 out of the mounting groove 23. At this time, the bottom of the gyroscope 3 is driven by the elastic member 22 to face the ground, and the gyroscope 3 falls on the battle platform while rotating. When the user launches the gyroscope 3, the gyroscope 3 realizes an upward bouncing action due to the drive of the launcher 21. In addition to the rotation of the gyroscope 3 around its own axis, the pins of the gyroscope 3 are flipped downward, and the gyroscope 3 changes from a horizontal state to an upright state, which increases the performance action of the gyroscope 3 when launched and improves the fun of the gyroscope 3 in the battle. In addition, before launching the gyroscope 3, the user can continue to operate the driving mechanism 4 to rotate the gyroscope 3 until the launcher 21 pops out the gyroscope 3. The user is freer in operation, which also improves the fun of the gyroscope 3 in the battle.

[0030] like Figure 3-5 As shown in , the launch member 21 includes a launch panel 211 and a base 212, the launch panel 211 is connected to the base 212, one end of the launch panel 211 is hinged to the ejection shaft 11, a receiving bin 12 is recessed on the rear side of the main body 1, the receiving bin 12 is located below the ejection shaft 11, the mounting groove 23 passes through the launch panel 211 and is located in the base 212, one end of the elastic member 22 is fixed to the inner surface of the receiving bin 12, and the other end of the elastic member 22 is fixed to the plate surface of the launch panel 211. When the launch member 21 is closed with the main body 1, the launch panel 211 is against the side of the main body 1, and the base 212 is located in the receiving bin 12. At this time, the gyroscope 3 can be inserted into the mounting groove 23, and the launch panel 211 obtains the maximum elastic potential energy of the elastic member 22, and this position is the initial position of the launch gyroscope 3.

[0031] like Figure 3-5As shown in , the surface of the base 212 is provided with a blocking portion 2121. When the launcher 21 rotates upward around the ejection shaft 11, the inner wall of the receiving bin 12 is located on the moving track of the blocking portion 2121. The blocking portion 2121 is used to limit the rotation angle of the launcher 21. When the blocking portion 2121 abuts against the inner wall of the receiving bin 12, the launcher 21 has a maximum rotation range. In this embodiment, when the launch panel 211 abuts against the main body 1, the launcher 21 has a minimum rotation range. At this time, the surface of the launch panel 211 is perpendicular to the horizontal plane. Assume that the surface of the launch panel 211 is 0 degrees. When the launcher 21 reaches the maximum rotation range, the launch panel 211 rotates 45 to 75 degrees. Such a design can prevent the gyroscope 3 from flying too high when it is thrown out and causing danger.

[0032] like Figure 4-8As shown in , in this embodiment, a locking member is provided in the main body 1, and the locking member includes a slidable limit block 13. The surface of the base 212 is provided with a limit groove 2122. When the launcher 21 is closed with the main body 1, the limit groove 2122 is located on the moving track of the limit block 13. The limit block 13 is used to prevent the base 212 from popping out of the receiving bin 12. The user can choose the time to launch the gyroscope 3 by controlling the movement of the limit block 13, thereby improving the user's freedom in playing with the gyroscope 3. Among them, the locking member also includes a pressing plate 14, a slider 15, a first reset member 16 and a second reset member 17. The pressing plate 14 moves in the vertical direction. A pressing switch 141 is fixed on one side of the pressing plate 14. The pressing switch 141 passes through the main body 1 and is exposed outside the main body 1. The user can control the pressing plate 14 to move downward by pressing the pressing switch 141. The first reset member 16 is connected to the pressing plate 14 and the main body 1 respectively, and the first reset member 16 applies an upward elastic force to the pressing plate 14. In this embodiment, the first reset member 16 is a spring. In other embodiments, the first reset member 16 can be an elastic object, such as a silicone block or a spring. The slider 15 moves in the horizontal direction, and the limit block 13 is located on the slider 15. The second reset member 17 is connected to the slider 15 and the main body 1 respectively, and the second reset member 17 applies an elastic force to the slider 15 in the direction of the limit groove 2122. The second reset member 17 is also a spring. In other embodiments, the second reset member 17 can be an elastic object, such as a silicone block or a spring. The pressing plate 14 is provided with an inclined surface 142, and the inclined surface 142 is inclined relative to the horizontal plane, and the inclined surface 142 faces obliquely downward, and the inclined surface 142 faces the second reset member 17. The slider 15 is provided with a force-bearing portion 151, and the inclined surface 142 contacts the force-bearing portion 151. When the pressing plate 14 moves downward, the force-bearing portion 151 slides along the inclined surface 142, and the slider 15 moves in a direction away from the limiting groove 2122. When the launcher 21 is closed with the main body 1, when the user presses the push switch 141, the pressing plate 14 moves downward accordingly, and the first reset member 16 squeezes and applies an upward reaction force to the pressing plate 14. At the same time, the inclined surface 142 moves downward, and the force-bearing portion 151 is pushed by the inclined surface 142 to move in the direction of the second reset member 17. The second reset member 17 is squeezed and applies a lateral reaction force to the slider 15, and the limiting block 13 is separated from the limiting groove 2122, and the launcher 21 rotates upward. When the user releases the pressing switch 141 , the pressing plate 14 and the sliding block 15 are reset due to the action of the first restoring member 16 and the second restoring member 17 .The pressing plate 14 is provided with a first elongated hollow hole 143, and the first hollow hole 143 extends in the vertical direction. The slider 15 is provided with a second elongated hollow hole 152, and the second hollow hole 152 extends in the horizontal direction. A limiting column 18 is fixedly provided in the main body 1, and the limiting column 18 passes through the first hollow hole 143 and the second hollow hole 152. The limiting column 18 is used to limit the moving direction of the pressing plate 14 and the slider 15 to ensure that the pressing plate 14 can only move in the vertical direction and the slider 15 can only move in the horizontal direction.

[0033] In other embodiments, the user may manually press the launch panel 211 to close it with the main body 1 , and then release the launch panel 211 when the gyroscope 3 needs to be launched, and the launch member 21 will then eject the gyroscope 3 .

[0034] like Figure 3-9 As shown in , the mounting groove 23 is located in the base 212, a connector 231 is provided in the mounting groove 23, the connector 231 is provided with a blind hole 232 for accommodating the pins of the gyroscope 3, a first reset spring is connected between the connector 231 and the base 212, the extension direction of the first reset spring is the same as the extension direction of the blind hole 232, a convex block 2311 is provided on the side of the connector 231, a buckling portion 235 is provided in the base 212, when the pins of the gyroscope 3 are inserted into the blind hole 232, the pins of the gyroscope 3 push the connector 231 into the base 212, and the buckling portion 235 is interlocked with the protrusion 2311, and the holding portion 235 limits the movement of the connector 231. At this time, the first reset spring is compressed and applies a reaction force to the connector 231. When the elastic member 22 drives the launch member 21 to rotate upward around the ejection shaft 11, the holding portion 235 is disengaged from the protrusion 2311, and the launch member 21 ejects the gyroscope 3 upward. Under the reaction force of the first reset spring, the connector 231 is also ejected in the same direction as the rotation direction of the launch member 21, further ejecting the gyroscope 3 upward, ensuring that there is enough force to eject the gyroscope 3 upward.

[0035] like Figure 3-9As shown in the figure, a second return spring 234 is connected between the buckling portion 235 and the base 212, and the second return spring 234 applies an elastic force to the buckling portion 235 toward the protrusion 2311. A toggle block 236 is fixedly provided on one side of the buckling portion 235, and the buckling portion 235 and the toggle block 236 are integrally formed. The toggle block 236 extends in a direction away from the second return spring 234, and one end of the toggle block 236 is exposed outside the base 212. When the elastic member 22 drives the launching member 21 to rotate around the ejection shaft 11 When rotating upward, the moving trajectory of one end of the toggle block 236 away from the second return spring 234 intersects with the edge of the receiving bin 12. During the rotation of the launcher 21, the portion of the toggle block 236 exposed outside the base 212 hits the edge of the receiving bin 12. The toggle block 236 moves in the direction of the second return spring 234, and the retaining portion 235 also moves in the direction of the second return spring 234. The retaining portion 235 disengages from the protrusion 2311, and the connector 231 can pop out the gyroscope 3. The connector 231 is provided with a hook portion 233, and the hook portion 233 extends into the blind hole 232. When the pin of the gyroscope 3 is inserted into the blind hole 232, the hook portion 233 holds the pin of the gyroscope 3 to prevent the gyroscope 3 from being separated from the mounting groove 23. When the holding portion 235 is separated from the protrusion 2311, the connector 231 throws the pin of the gyroscope 3 off the hook portion 233.

[0036] like Figure 3 , Figure 5 and Fig.10 The driving mechanism 4 includes a rotating wheel 41, a connecting arm 42, a driving shaft 43, a driving gear 44 and a plurality of intermediate gears 45. The driving shaft 43 is located on the side of the main body 1 opposite to the transmitting member 21. One end of the connecting arm 42 is hinged to the rotating wheel 41, and the other end of the connecting arm 42 is hinged to the driving shaft 43. The driving shaft 43 is connected to the intermediate gear 45, and the driving shaft 43 drives the intermediate gear 45 to rotate. The plurality of intermediate gears 45 are meshed with each other, and the driving gear 44 is meshed with one of the intermediate gears. The driving gear 44 is partially exposed in the mounting slot 23. Figure 3 As shown, the outer surface of the gyroscope 3 is provided with a circle of teeth 31, and the driving gear 44 is meshed with the teeth 31. When the user grabs the rotating wheel 41 and rotates it around the driving shaft 43, the connecting arm 42 drives the driving shaft 43 to rotate, and the driving shaft 43 drives a plurality of intermediate gears 45 to rotate, and the intermediate gears 45 then drive the driving gear 44 to rotate, and the driving gear 44 drives the gyroscope 3 to rotate. The user can then control the rotation of the gyroscope 3 relative to the other side of the gyroscope 3 to prevent the gyroscope 3 from scratching the hand, thereby improving the safety when launching the gyroscope 3.

[0037] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0038] The above-mentioned embodiments only express several implementation methods of the present invention, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the invention patent. It should be pointed out that, for ordinary technicians in this field, several variations and improvements can be made without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention shall be subject to the attached claims.

Claims

1. A gyro launching assembly, characterized in that: include: A main body, wherein the main body is provided with an ejection shaft, and the ejection shaft extends in a horizontal direction; A launching mechanism, the launching mechanism comprising a launching member and an elastic member, the launching member being hinged to the ejection shaft, a mounting groove being provided on a side of the launching member away from the main body, and the mounting groove being located below the ejection shaft, the elastic member being connected to the launching member and the main body respectively, and the elastic member driving the launching member to rotate upward around the ejection shaft; A gyroscope, the bottom of which can be detachably inserted into the mounting groove; A driving mechanism, the driving mechanism is installed on the main body, and when the bottom of the gyroscope is inserted into the installation groove, the driving mechanism drives the gyroscope to rotate; The launching member includes a launching panel and a base, wherein the launching panel is connected to the base, a receiving compartment is provided on one side of the main body, and the receiving compartment is located below the ejection shaft. When the launching member and the main body are closed, the launching panel abuts against the side of the main body, and the base is located in the receiving compartment; A blocking portion is provided on the surface of the base, and when the launching member rotates upward around the ejection shaft, the inner wall of the receiving chamber is located on the moving track of the blocking portion; A locking member is provided in the main body, and the locking member includes a slidable limiting block. A limiting groove is provided on the base. When the launching member and the main body are closed, the limiting groove is located on the moving track of the limiting block. The limiting block is used to prevent the base from popping out of the receiving bin.

2. The gyro launching assembly according to claim 1, characterized in that: The locking member also includes a pressing plate, a slider, a first reset member and a second reset member, the pressing plate moves in a vertical direction, the first reset member is respectively connected to the pressing plate and the main body, the first reset member applies an upward elastic force to the pressing plate, the slider moves in a horizontal direction, the limit block is located on the slider, the second reset member is respectively connected to the slider and the main body, the second reset member applies an elastic force to the slider in the direction of the limit groove, the pressing plate is provided with an inclined surface, the inclined surface is inclined relative to the horizontal plane, the slider is provided with a force-bearing portion, the inclined surface is in contact with the force-bearing portion, when the pressing plate moves downward, the force-bearing portion slides along the inclined surface, and the slider moves in a direction away from the limit groove.

3. The gyro launch assembly according to claim 2, characterized in that: The pressing plate is provided with a first hollow hole extending vertically, the sliding block is provided with a second hollow hole extending horizontally, and a limiting column is fixed in the main body, and the limiting column passes through the first hollow hole and the second hollow hole.

4. The gyro launching assembly according to claim 1, characterized in that: The mounting groove is located in the base, a connector is provided in the mounting groove, the connector is provided with a blind hole for accommodating the gyroscope pin, a first reset spring is connected between the connector and the base, the extension direction of the first reset spring is the same as the extension direction of the blind hole, a protrusion is provided on the side of the connector, a buckling portion is provided in the base, when the connector moves into the base, the buckling portion is buckled with the protrusion, the buckling portion limits the movement of the connector, and when the elastic member drives the launching member to rotate upward around the ejection shaft, the buckling portion is disengaged from the protrusion.

5. The gyro launching assembly according to claim 4, characterized in that: A second return spring is connected between the holding portion and the base, and the second return spring applies an elastic force to the holding portion toward the protrusion. The holding portion is provided with a toggle block, and the toggle block extends in a direction away from the second return spring, and one end of the toggle block is exposed outside the base. When the elastic member drives the launching member to rotate upward around the ejection shaft, the movement trajectory of the end of the toggle block away from the second return spring intersects with the edge of the receiving bin.

6. The gyro launching assembly according to claim 4, characterized in that: The plug connector is provided with a hook portion, which extends into the blind hole. When the gyro pin is inserted into the blind hole, the hook portion holds the gyro pin.

7. The gyro launching assembly according to claim 1, characterized in that: The driving mechanism includes a rotating wheel, a connecting arm, a driving shaft, a driving gear and a plurality of intermediate gears. The driving shaft is located on a side of the main body opposite to the transmitting element. One end of the connecting arm is hinged to the rotating wheel, and the other end of the connecting arm is hinged to the driving shaft. The driving shaft is connected to the intermediate gears, and the driving shaft drives the intermediate gears to rotate. The plurality of intermediate gears are meshed with each other, and the driving gear is meshed with one of the intermediate gears. The driving gear is partially exposed in the mounting groove. A circle of teeth is provided on the outer surface of the gyroscope, and the driving gear is meshed with the teeth.

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