Mechanical music box

Abstract

This invention provides a mechanical music box, comprising a top rotating platform, a display platform, a ski jump simulator, a short track speed skating simulation platform, and a power input structure arranged coaxially in sequence. The music box mechanism is located on the underside of the short track speed skating simulation platform. The top rotating platform includes a top knob 101 and blades 201, with the top knob 101 capable of unfolding or closing the blades 201. The display platform includes a telescopic platform 304, which can move under the influence of the top knob 101. The power input structure can rotate the top rotating platform, the display platform, the ski jump simulator, and the short track speed skating simulation platform. This invention optimizes the mechanical structure, and the unfoldable and rotatable top rotating platform and display platform increase the overall playability of the music box. The rotatable and movable ski jump simulator and short track speed skating simulation platform enhance the overall mobility of the invention.

Description

Technical Field

[0001] This invention relates to the field of mechanical toy technology, specifically to a mechanical music box. Background Technology

[0002] Music boxes are exquisitely crafted, and their clear, bright sound brings people a wonderful experience. Today, music boxes have become a popular gift for visiting relatives and friends.

[0003] However, the mechanical music boxes currently on the market have obvious drawbacks such as non-replaceable mechanisms and monotonous movement patterns that lack fun. Furthermore, there is still no mechanical music box that can physically represent winter sports.

[0004] Patent document CN209118752U discloses a music box for playing music using a music cassette. The music box includes a mechanism body, a drive unit, a first limit switch, and a control circuit. The mechanism body includes a pressure plate, a pressure rod, and a gear assembly connected to the pressure rod. The drive unit is connected to the gear assembly and drives the pressure rod to move the music cassette. The first limit switch is disposed adjacent to the pressure plate. When the music cassette passes under the pressure plate and pushes it up, the first limit switch is triggered and closed by the pressure plate, and the control circuit activates the drive unit based on the closure of the first limit switch. However, this music box lacks a display of its mechanical structure and therefore lacks aesthetic appeal and commemorative value. Summary of the Invention

[0005] In view of the deficiencies in the prior art, the purpose of this invention is to provide a mechanical music box.

[0006] The mechanical music box provided by the present invention includes a top rotating platform, a display platform, a ski jump simulation platform, a short track speed skating simulation platform, and a power input structure arranged coaxially in sequence, with the music box mechanism arranged on the lower side of the short track speed skating simulation platform.

[0007] The top rotating platform includes a top knob, a roof, and blades. The top knob passes through the roof and is coaxially arranged with the roof. The upper end of the top knob is the rotating end, and the lower end of the top knob is connected to the display platform. The blades are rotatably arranged on the lower edge of the roof in the circumferential direction. The top knob can drive the blades to open or close.

[0008] The display platform includes a shell, a telescopic platform, and a linear transmission mechanism. The telescopic platform and the linear transmission mechanism are both located inside the shell. The linear transmission mechanism is connected to the lower end of the top knob and the telescopic platform. Decorative parts are provided on the telescopic platform. The lower end of the top knob is fixedly connected to the shell.

[0009] The telescopic platform can move radially along the housing under the action of the top knob, so that the decorative piece can extend to the outside of the housing or retract to the inside of the housing. When the decorative piece is on the outside of the housing, the blades unfold, and when the decorative piece is on the inside of the housing, the blades close.

[0010] The power input structure includes a bottom shell, a rocker arm, a central shaft, and a vertical transmission mechanism. One end of the central shaft is located at the center of the bottom shell, and the other end of the central shaft passes through the ski jump simulator and the short track speed skating simulation platform and is fixedly connected to the shell. The rocker arm passes through the bottom shell, and the vertical transmission mechanism connects one end of the central shaft and the end of the rocker arm located inside the bottom shell.

[0011] The joystick can drive the central axis to rotate, thereby driving the top rotating platform, the display platform, the ski jump simulator, and the short track speed skating simulator to rotate.

[0012] The ski jump simulator includes a first gear transmission mechanism, a support platform, a rotating shaft, and a mannequin. The rotating shaft is fixedly mounted radially on the central shaft, and the mannequin is connected to the end of the rotating shaft.

[0013] The support platform is rotatably connected to the central shaft. The first gear transmission mechanism connects the support platform, the central shaft, and the moving figure. The central shaft can drive the moving figure to rotate around the central shaft and the rotation axis simultaneously through the first gear transmission mechanism.

[0014] The short track speed skating simulation platform includes a second gear transmission mechanism and a platform body. The second gear transmission mechanism is mounted on the platform body and fixedly connected to the central shaft. Decorative parts are mounted on the second gear transmission mechanism, and the decorative parts can rotate under the drive of the second gear transmission mechanism.

[0015] Preferably, the linear transmission mechanism includes a central shaft main gear, a support gear set, and a rack structure. The rack structure is disposed at the bottom of the telescopic platform, and the central shaft main gear is fixedly connected to the lower end of the top knob.

[0016] The supporting gear set meshes with the central shaft main gear and the rack structure respectively. The central shaft main gear and the supporting gear set are helical gears with their rotating axes perpendicular to each other. The telescopic platform can move linearly under the drive of the central shaft main gear.

[0017] Preferably, the vertical transmission mechanism includes a power input bevel gear and a bottom bevel gear that mesh with each other and whose rotating shafts are perpendicular to each other. The power input bevel gear is located at one end of the rocker arm located inside the bottom housing, and the bottom bevel gear is located at one end of the central shaft connected to the bottom housing.

[0018] Preferably, the portion of the top knob located below the roof is a lead screw structure and fitted with a bushing. The bushing is connected to the blade via a rope, and the top knob can drive the bushing to move axially, thereby causing the blade to open or close via the rope.

[0019] When the blade is closed, the two ends of the blade are respectively connected to the upper edge of the bottom shell and the lower edge of the roof.

[0020] Preferably, the first gear transmission mechanism includes a third spur gear, a synchronous bevel gear, a cooperating drive bevel gear, and a first internal meshing gear ring;

[0021] A rotating arm is fixedly mounted radially on the central shaft, and a third spur gear is mounted on the lower side of the rotating arm. The first internal meshing gear ring is fixedly mounted on the inner side of the bearing platform, and the third spur gear meshes with the first internal meshing gear ring.

[0022] The lower side of the third spur gear is fixedly connected to the synchronous bevel gear. The engaging bevel gear is sleeved on the rotating shaft and fixedly connected to the moving figure. The synchronous bevel gear and the engaging bevel gear mesh with each other and their rotating shafts are perpendicular to each other. The centerline of the rotating arm coincides with the axis of the rotating shaft in the axial projection.

[0023] The central shaft can drive the rotating arm and the rotating shaft to rotate synchronously relative to the first internal meshing gear ring, thereby driving the third spur gear to rotate, and thus driving the moving figure to rotate around the rotating shaft through the synchronous bevel gear and the bevel gear transmission.

[0024] Preferably, there are multiple moving figures, and the moving figures, rotating arms, rotating shafts, synchronous bevel gears, cooperating driving bevel gears, and third spur gears are arranged in a one-to-one correspondence.

[0025] Preferably, the motion figure includes a disc and a linkage assembly, the linkage assembly is connected to the disc, the disc is fixedly connected to a bevel gear, and the linkage assembly can simulate the forward and backward sliding motion of skiing under the drive of the disc.

[0026] Preferably, it also includes a power conversion structure, which is disposed between the short track speed skating simulation platform and the power input structure. The power conversion structure is connected to the central shaft and can drive the second gear transmission mechanism to rotate.

[0027] The second gear transmission mechanism includes a power spur gear, a second internal meshing gear ring, a third internal meshing gear ring, and a first spur gear;

[0028] The power spur gear is sleeved and fixed to the central shaft. The inner tooth surface of the second internal meshing gear ring meshes with the power spur gear. The first spur gear is located outside the second internal meshing gear ring. The third internal meshing gear ring is located outside the first spur gear and the second internal meshing gear ring and meshes with the first spur gear.

[0029] The power conversion structure can drive the first spur gear to rotate, thereby driving the third internal meshing gear ring to rotate. The power spur gear can drive the second internal meshing gear ring to rotate. Decorative parts are provided on both the second and third internal meshing gear rings.

[0030] Preferably, the power conversion structure includes a central shaft spur gear, a support shaft spur gear, and a support shaft sleeved and fixed on the central shaft. One end of the support shaft is connected to the bottom shell, and the other end of the support shaft passes through the platform body and is fixed to the first spur gear.

[0031] A support shaft spur gear is fixedly installed on the support shaft. The support shaft spur gear meshes with the central shaft spur gear. The central shaft can drive the support shaft spur gear to rotate through the central shaft spur gear, thereby driving the third internal meshing gear ring to rotate in the first direction in sequence through the support shaft and the first spur gear.

[0032] The central shaft can drive the second internal meshing gear ring to rotate in a second direction via a power spur gear, where the first direction is opposite to the second direction.

[0033] Preferably, the lower side of the short track speed skating simulation platform is provided with a lower shell, and a cavity structure is formed between the lower shell, the bottom shell and the platform body. The music box mechanism is disposed inside the cavity structure, and the bottom shell is provided with an opening for replacing the music box mechanism.

[0034] Compared with the prior art, the present invention has the following beneficial effects:

[0035] 1. This invention uses the linkage of various transmission devices to achieve the technical effect that the top rotating platform and display platform can be unfolded and rotated, and the ski jump simulator and short track speed skating simulator platform can be rotated. The mechanical structure has been optimized. At the same time, the unfoldable and rotatable top rotating platform and display platform increase the playability of the overall music box, and the rotatable ski jump simulator and short track speed skating simulator platform add to the mobility of the entire invention.

[0036] 2. This invention uses mechanical structures such as a ski jump simulator and a short track speed skating simulator to downplay the concept of a music box. At the same time, it realizes a concept that is not currently available on the market through replaceable music box mechanisms, which makes it easy to display different music through different music box mechanisms and to maintain the music box mechanisms. Attached Figure Description

[0037] Other features, objects, and advantages of the present invention will become more apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings:

[0038] Figure 1 This is a schematic diagram of the structure of the blades when they are deployed in this invention;

[0039] Figure 2 This is a schematic diagram of the structure when the blades are closed in this invention;

[0040] Figure 3 This is a schematic diagram of the top rotating platform in this invention;

[0041] Figure 4 This is a schematic diagram of the platform structure in this invention;

[0042] Figure 5 This is a schematic diagram of the structure of the ski jump simulation platform in this invention;

[0043] Figure 6 This is a schematic diagram of the structure of the moving figure in this invention;

[0044] Figure 7 This is a schematic diagram of the connection structure between the moving figure and the rotating axis in this invention;

[0045] Figure 8 This is a schematic diagram of the short track speed skating simulation platform in this invention;

[0046] Figure 9 This is a schematic diagram of the power conversion structure in this invention;

[0047] Figure 10 This is a schematic diagram of the power input structure in this invention.

[0048] The diagram shows:

[0049] 101 Top Knob 503 Limb Trunk

[0050] 102 Roof 504 Legs

[0051] 103 bushing 505 connecting rod

[0052] 201 blade 601 power spur gear

[0053] 301 Housing 602 Second Internal Meshing Gear Ring

[0054] 302 Central shaft main gear; 603 Third decorative part

[0055] 303 Support gear set; 604 Fourth decorative part

[0056] 304 telescopic platform, 605 first spur gear

[0057] 305 First decorative piece; 606 Third internal meshing gear ring

[0058] 306 Second decorative piece; 607 Second spur gear

[0059] 401 central shaft 701 central shaft spur gear

[0060] 402 Rotary Arm 702 Support Shaft Spur Gear

[0061] 403 External Spur Gear 703 Rotary Shaft Spur Gear

[0062] 404 internal spur gear, 704 reversible spur gear

[0063] 405 load-bearing platform, 705 transmission spur gear

[0064] 406 synchronous bevel gear, 706 reverse spur gear

[0065] 407 drives the bevel gear 707 in the opposite direction to support the shaft.

[0066] 408 First Internal Meshing Gear Ring 801 Rocker

[0067] 410 Rotary Shaft 802 Power Input Bevel Gear

[0068] 501 disc 803 bottom bevel gear

[0069] 502 arm 901 bottom shell Detailed Implementation

[0070] The present invention will now be described in detail with reference to specific embodiments. These embodiments will help those skilled in the art to further understand the present invention, but do not limit the invention in any way. It should be noted that those skilled in the art can make several changes and improvements without departing from the concept of the present invention. These all fall within the protection scope of the present invention.

[0071] This invention discloses a mechanical music box, which incorporates a ski jump simulator and a short track speed skating simulator. It employs various mechanical structures to downplay the concept of a music box and utilizes a replaceable music box mechanism to achieve a concept not currently available on the market. This allows for the display of different music through different mechanisms and facilitates the maintenance of the music box mechanism.

[0072] The mechanical music box provided by the present invention, such as Figure 1 As shown, the system includes a top rotating platform, a display platform, a ski jump simulator, a short track speed skating simulator, and a power input structure, all arranged coaxially. A music box mechanism is located beneath the short track speed skating simulator. The product employs a three-tiered stage design to showcase the physical representation of winter sports.

[0073] like Figure 3 As shown, the top rotating platform includes a top knob 101, a roof 102, and blades 201. The top knob 101 passes through the roof 102 and is coaxially arranged with the roof 102. The upper end of the top knob 101 is the rotating end, and the lower end of the top knob 101 is connected to the display platform. The blades 201 are rotatably arranged on the lower edge of the roof 102 in the circumferential direction. The top knob 101 can drive the blades 201 to open or close.

[0074] The portion of the top knob 101 located below the roof 102 is a lead screw structure and fitted with a bushing 103. The bushing 103 is connected to the blade 201 via a rope. The top knob 101 can drive the bushing 103 to move axially, thereby causing the blade 201 to open or close via the rope. Figure 2 As shown, when the blade 201 is closed, the two ends of the blade 201 are respectively connected to the upper edge of the bottom shell 901 and the lower edge of the roof 102.

[0075] like Figure 4 As shown, the display platform includes a housing 301, a telescopic platform 304, and a linear transmission mechanism. The telescopic platform 304 and the linear transmission mechanism are both located inside the housing 301. The linear transmission mechanism is connected to the lower end of the top knob 101 and the telescopic platform 304. The telescopic platform 304 is provided with decorative parts, and the lower end of the top knob 101 is fixedly connected to the housing 301.

[0076] The telescopic platform 304 can move along the radial direction of the housing 301 under the action of the top knob 101, so that the decorative part extends to the outside of the housing 301 or retracts to the inside of the housing 301. When the decorative part is located on the outside of the housing 301, the blade 201 unfolds, and when the decorative part is located on the inside of the housing 301, the blade 201 closes.

[0077] The linear transmission mechanism includes a pair of worm gears with perpendicular shafts and a rack structure, or a pair of helical gears with perpendicular shafts and a rack structure, or a pair of bevel gears and a rack structure. In a preferred embodiment of the present invention, the linear transmission mechanism includes a central shaft main gear 302, a support gear set 303, and a rack structure. The rack structure is disposed at the bottom of the telescopic platform 304. The central shaft main gear 302 is fixedly connected to the lower end of the top knob 101. The support gear set 303 meshes with the central shaft main gear 302 and the rack structure respectively. The central shaft main gear 302 and the support gear set 303 are helical gears with perpendicular shafts. The telescopic platform 304 can perform linear motion under the drive of the central shaft main gear 302.

[0078] Preferably, the telescopic platforms 304 are arranged in pairs, and the two telescopic platforms 304 can extend from both sides of the housing 301 radially along the housing 301 under the action of the top knob 101. The decorative parts provided on the two telescopic platforms 304 can change their shapes to reflect different themes of the entire mechanical music box.

[0079] like Figure 9 As shown, the power input structure includes a bottom shell 901, a rocker arm 801, a central shaft 401, and a vertical transmission mechanism. One end of the central shaft 401 is located at the center of the bottom shell 901, and the other end of the central shaft 401 passes through the ski jump simulator and the short track speed skating simulator platform and is fixedly connected to the shell 301. The rocker arm 801 passes through the bottom shell 901. The vertical transmission mechanism connects one end of the central shaft 401 and the end of the rocker arm 801 located inside the bottom shell 901.

[0080] The rocker arm 801 can drive the central shaft 401 to rotate, thereby driving the top rotating platform and the display platform to rotate; realizing a manual winding function, adding interactive fun to the product, and reducing energy consumption costs. Preferably, the vertical transmission mechanism includes a power input bevel gear 802 and a bottom bevel gear 803 that mesh with each other and whose rotating shafts are perpendicular to each other. The power input bevel gear 802 is located at one end of the rocker arm 801 located inside the bottom outer shell 901, and the bottom bevel gear 803 is located at one end of the central shaft 401 connected to the bottom outer shell 901.

[0081] Preferably, the lower side of the short track speed skating simulation platform is provided with a lower shell, and a cavity structure is formed between the lower shell, the bottom shell 901 and the platform body. The music box mechanism is disposed inside the cavity structure, and the bottom shell 901 is provided with an opening for replacing the music box mechanism.

[0082] like Figure 5 As shown, the ski jump simulator includes a first gear transmission mechanism, a support platform 405, a rotating shaft 410, and a mannequin. The rotating shaft 410 is radially fixed on the central shaft 401, and the mannequin is connected to the end of the rotating shaft 410. The support platform 405 is rotatably connected to the central shaft 401. The first gear transmission mechanism connects the support platform 405, the central shaft 401, and the mannequin. The central shaft 401 can drive the mannequin to rotate simultaneously around the central shaft 401 and the rotating shaft 410 through the first gear transmission mechanism.

[0083] The first gear transmission mechanism includes a third spur gear, a synchronous bevel gear 406, a cooperating drive bevel gear 407, and a first internal meshing gear ring 408; preferably, the third spur gear includes an outer spur gear 403 and an inner spur gear 404, and a rotating arm 402 is fixedly arranged radially on the central shaft 401. The lower side of the rotating arm 402 is arranged sequentially from the inside to the outside with the meshing inner spur gear 404, the outer spur gear 403, and the first internal meshing gear ring 408, and the first internal meshing gear ring 408 is fixedly arranged inside the bearing platform 405;

[0084] The lower side of the inner spur gear 404 or the outer spur gear 403 is fixedly connected to the synchronous bevel gear 406. The engaging bevel gear 407 is sleeved on the rotating shaft 410 and fixedly connected to the moving figure. The synchronous bevel gear 406 and the engaging bevel gear 407 mesh with each other and their axes of rotation are perpendicular to each other. The centerline of the rotating arm 402 coincides with the axis of rotation of the rotating shaft 410 in the axial projection. The central shaft 401 can drive the rotating arm 402 and the rotating shaft 410 to rotate synchronously relative to the first internal meshing gear ring 408, thereby driving the inner spur gear 404 and the outer spur gear 403 to rotate. Thus, through the transmission of the synchronous bevel gear 406 and the engaging bevel gear 407, the moving figure is driven to rotate around the rotating shaft 410.

[0085] like Figure 6 , Figure 7 As shown, there are multiple miniature motion figures, and each miniature motion figure, rotating arm 402, rotating shaft 410, synchronous bevel gear 406, cooperating driving bevel gear 407, internal spur gear 404, and external spur gear 403 is arranged in a one-to-one correspondence. The synchronous bevel gear 406 is fixedly mounted on the lower side of the internal spur gear 404. Each miniature motion figure includes a disc 501, a linkage group, and a connecting rod 505. The linkage group connects to the rotating part of the disc 501, and the rotating part of the disc 501 is fixedly connected to the cooperating driving bevel gear 407. The two ends of the connecting rod 505 are respectively connected to the fixed part of the disc 501 and the center of the external spur gear 403 to ensure the stability of the entire miniature motion figure. The linkage group can simulate the forward and backward sliding motion of skiing under the drive of the disc 501.

[0086] Preferably, such as Figure 6 As shown, the moving figure includes two sets of synchronized four-bar linkages. Each linkage includes an arm 502, a limb 503, and a leg 504. Rotational power is input through a disc 501, thereby driving the arm 502, limb 503, and leg 504 to form a complete forward and backward sliding motion, thus simulating a ski jump.

[0087] like Figure 8As shown, the short track speed skating simulation platform includes a second gear transmission mechanism and a platform body. The second gear transmission mechanism is mounted on the platform body and fixedly connected to the central shaft 401. Decorative parts are mounted on the second gear transmission mechanism, and the decorative parts can rotate under the drive of the second gear transmission mechanism.

[0088] like Figure 9 As shown, the short track speed skating simulation platform also includes a power conversion structure, which is disposed between the short track speed skating simulation platform and the power input structure. The power conversion structure is connected to the central shaft 401 and can drive the second gear transmission mechanism to rotate. The second gear transmission mechanism includes a power spur gear 601, a second internal meshing gear ring 602, a third internal meshing gear ring 606, and a first spur gear 605.

[0089] The power spur gear 601 is sleeved and fixed to the central shaft 401. The inner tooth surface of the second internal meshing gear ring 602 meshes with the power spur gear 601. The first spur gear 605 is located outside the second internal meshing gear ring 602. The third internal meshing gear ring 606 is located outside the first spur gear 605 and the second internal meshing gear ring 602 and meshes with the first spur gear 605. The power conversion structure can drive the first spur gear 605 to rotate, thereby driving the third internal meshing gear ring 606 to rotate. The power spur gear 601 can drive the second internal meshing gear ring 602 to rotate. Decorative parts are provided on both the second internal meshing gear ring 602 and the third internal meshing gear ring 606.

[0090] The power conversion structure includes a central shaft spur gear 701, a support shaft spur gear 702, and a support shaft, all sleeved and fixedly connected to the central shaft 401. One end of the support shaft is connected to the bottom outer shell 901, and the other end passes through the platform body and is fixedly connected to the first spur gear 605. The support shaft spur gear 702 is fixedly mounted on the support shaft and meshes with the central shaft spur gear 701. The central shaft 401 can drive the support shaft spur gear 702 to rotate through the central shaft spur gear 701, thereby sequentially driving the third internal meshing gear ring 606 to rotate in a first direction through the support shaft and the first spur gear 605. The central shaft 401 can also drive the second internal meshing gear ring 602 to rotate in a second direction through the power spur gear 601, where the first direction is opposite to the second direction.

[0091] In a preferred embodiment of the present invention, the second gear transmission mechanism further includes a second spur gear 607; the second spur gear 607 meshes with a power spur gear 601, and the inner tooth surface of the second internal meshing gear ring 602 meshes with the second spur gear 607 and the power spur gear 601 respectively; the power conversion structure can drive the first spur gear 605 and the second spur gear 607 to rotate, thereby driving the second internal meshing gear ring 602 and the third internal meshing gear ring 606 to rotate respectively. The power conversion structure further includes a rotating shaft spur gear 703, a reverse transmission gear set, a reverse spur gear 706, and a reverse support shaft 707;

[0092] One end of the reverse support shaft 707 is connected to the bottom outer shell 901, and the other end of the reverse support shaft 707 passes through the platform body and is fixedly connected to the second spur gear 607. A rotating shaft spur gear 703 and a reverse spur gear 706 are sequentially arranged on the reverse support shaft 707. Both the support shaft spur gear 702 and the rotating shaft spur gear 703 mesh with the central shaft spur gear 701. The rotating shaft spur gear 703 and the reverse spur gear 706 are rotatably arranged. The reverse spur gear 706 is fixedly connected to the reverse support shaft 707. The rotating shaft spur gear 703 meshes with the reverse spur gear 706 through a reverse transmission gear set, which enables the rotating shaft spur gear 703 and the reverse spur gear 706 to rotate in opposite directions. The central shaft 401 can drive the rotating shaft spur gear 703 to rotate through the central shaft spur gear 701, thereby sequentially passing through the reverse transmission gear set, the reverse spur gear 706, and the reverse support shaft 707. The second spur gear 607 drives the second internal meshing gear ring 602 to rotate in a second direction, the first direction being opposite to the second direction. The reverse transmission gear set includes an even number of meshing gears. Preferably, the reverse transmission gear set includes a turning spur gear 704 and a transmission spur gear 705.

[0093] Preferably, the decorative parts provided on the second internal meshing gear ring 602 and the third internal meshing gear ring 606 are respectively a third decorative part 603 in the shape of a short track speed skater and a fourth decorative part 604 in the shape of a windmill. The power conversion structure realizes the differential and reverse rotation functions of the second internal meshing gear ring 602 and the third internal meshing gear ring 606, thereby driving the third decorative part 603 in the shape of a short track speed skater fixed on the second internal meshing gear ring 602 to rotate. At the same time, it forms a staggered sense of reverse differential with the fourth decorative part 604 in the shape of a windmill fixed on the third internal meshing gear ring 606, which has a better visual effect.

[0094] This invention utilizes mechanical structures with different functions to design a uniquely aesthetically pleasing, dynamic rotating music box that showcases the physical representation of winter sports: It employs a four-tiered stage design, with the outer shell unfolding in a rotating manner to reveal the simple lines and precise mechanical components inside, creating a rich and comprehensive product theme. The upper display platform features a sliding, unidirectional push mechanism achieved through gears and racks, further enriching the thematic expression; the gear system of the middle-tier ski jump simulation platform meshes and rotates with the main shaft, driving the motion model to recreate classic skiing movements; and the planetary gear system of the bottom-tier short track speed skating simulation platform reproduces the reciprocating rotation of short track speed skaters, showcasing the differential motion of short track speed skating.

[0095] In the description of this application, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.

[0096] Specific embodiments of the present invention have been described above. It should be understood that the present invention is not limited to the specific embodiments described above, and those skilled in the art can make various changes or modifications within the scope of the claims, which do not affect the essence of the present invention. Unless otherwise specified, the embodiments and features described in this application can be arbitrarily combined with each other.

Claims

1. A mechanical music box, characterized in that, It includes a top rotating platform, a display platform, a ski jump simulator, a short track speed skating simulation platform, and a power input structure arranged coaxially in sequence. A music box mechanism is installed on the underside of the short track speed skating simulation platform. The top rotating platform includes a top knob (101), a roof (102), and blades (201). The top knob (101) passes through the roof (102) and is coaxially arranged with the roof (102). The upper end of the top knob (101) is the rotating end, and the lower end of the top knob (101) is connected to the display platform. The blades (201) are rotatably arranged on the lower edge of the roof (102) in the circumferential direction. The top knob (101) can drive the blades (201) to open or close. The display platform includes a housing (301), a telescopic platform (304), and a linear transmission mechanism. The telescopic platform (304) and the linear transmission mechanism are both located inside the housing (301). The linear transmission mechanism is connected to the lower end of the top knob (101) and the telescopic platform (304). The telescopic platform (304) is provided with decorative parts. The lower end of the top knob (101) is fixedly connected to the housing (301). The telescopic platform (304) can move along the radial direction of the housing (301) under the action of the top knob (101), so that the decorative piece extends to the outside of the housing (301) or retracts to the inside of the housing (301). When the decorative piece is located outside the housing (301), the blade (201) unfolds, and when the decorative piece is located inside the housing (301), the blade (201) closes. The power input structure includes a bottom shell (901), a rocker arm (801), a central shaft (401), and a vertical transmission mechanism. One end of the central shaft (401) is located at the center of the bottom shell (901), and the other end of the central shaft (401) passes through the ski jump simulator and the short track speed skating simulator platform and is fixedly connected to the shell (301). The rocker arm (801) passes through the bottom shell (901). The vertical transmission mechanism connects one end of the central shaft (401) and the end of the rocker arm (801) located inside the bottom shell (901). The rocker arm (801) can drive the central axis (401) to rotate, thereby driving the top rotating platform, the display platform, the ski jump simulator and the short track speed skating simulator to rotate; The ski jump simulator includes a first gear transmission mechanism, a support platform (405), a rotating shaft (410), and a mannequin. The rotating shaft (410) is fixedly mounted radially on the central shaft (401), and the end of the rotating shaft (410) is connected to the mannequin. The support platform (405) is rotatably connected to the central shaft (401). The first gear transmission mechanism connects the support platform (405), the central shaft (401), and the moving figure. The central shaft (401) can drive the moving figure to rotate around the central shaft (401) and the rotation axis (410) simultaneously through the first gear transmission mechanism. The short track speed skating simulation platform includes a second gear transmission mechanism and a platform body. The second gear transmission mechanism is mounted on the platform body and is fixedly connected to the central shaft (401). A decorative part is mounted on the second gear transmission mechanism, and the decorative part can rotate under the drive of the second gear transmission mechanism. The top knob (101) located below the roof (102) is a screw structure and is fitted with a bushing (103). The bushing (103) is connected to the blade (201) by a rope. The top knob (101) can drive the bushing (103) to move axially, thereby driving the blade (201) to open or close via the rope. When the blade (201) is closed, the two ends of the blade (201) are respectively connected to the upper edge of the bottom shell (901) and the lower edge of the roof (102); The short track speed skating simulation platform has a lower outer shell on its lower side. A cavity structure is formed between the lower outer shell, the bottom outer shell (901), and the platform body. The music box mechanism is located inside the cavity structure. An opening for replacing the music box mechanism is provided on the bottom outer shell (901).

2. The mechanical music box according to claim 1, characterized in that, The linear transmission mechanism includes a central shaft main gear (302), a support gear set (303), and a rack structure. The rack structure is located at the bottom of the telescopic platform (304), and the central shaft main gear (302) is fixedly connected to the lower end of the top knob (101). The support gear set (303) meshes with the central shaft main gear (302) and the rack structure respectively. The central shaft main gear (302) and the support gear set (303) are helical gears with their rotating axes perpendicular to each other. The telescopic platform (304) can move linearly under the drive of the central shaft main gear (302).

3. The mechanical music box according to claim 1, characterized in that, The vertical transmission mechanism includes a power input bevel gear (802) and a bottom bevel gear (803) that mesh with each other and whose rotating shafts are perpendicular to each other. The power input bevel gear (802) is located at one end of the rocker arm (801) inside the bottom shell (901), and the bottom bevel gear (803) is located at one end of the central shaft (401) connected to the bottom shell (901).

4. The mechanical music box according to claim 1, characterized in that, The first gear transmission mechanism includes a third spur gear, a synchronous bevel gear (406), a cooperating drive bevel gear (407), and a first internal meshing gear ring (408); A rotating arm (402) is fixedly arranged radially on the central shaft (401), and a third spur gear is arranged on the lower side of the rotating arm (402). The first internal meshing gear ring (408) is fixedly arranged inside the bearing platform (405), and the third spur gear meshes with the first internal meshing gear ring (408). The lower side of the third spur gear is fixedly connected to the synchronous bevel gear (406), the engaging bevel gear (407) is sleeved on the rotating shaft (410) and fixedly connected to the moving figure, the synchronous bevel gear (406) and the engaging bevel gear (407) mesh with each other and their rotating shafts are perpendicular to each other, and the center line of the rotating arm (402) coincides with the axis of the rotating shaft (410) on the axial projection. The central shaft (401) can drive the rotating arm (402) and the rotating shaft (410) to rotate synchronously relative to the first internal meshing gear ring (408), thereby driving the third spur gear to rotate, and thus driving the moving figure to rotate around the rotating shaft (410) through the transmission of the synchronous bevel gear (406) and the cooperating drive bevel gear (407).

5. The mechanical music box according to claim 4, characterized in that, The moving figures are multiple, and the moving figures, rotating arms (402), rotating shafts (410), synchronous bevel gears (406), cooperating driving bevel gears (407) and third spur gears are arranged in a one-to-one correspondence.

6. The mechanical music box according to claim 4, characterized in that, The moving figure includes a disc (501) and a linkage assembly; The linkage assembly connects to the disc (501), and the disc (501) is fixedly connected to the bevel gear (407). The linkage assembly can simulate the forward and backward sliding motion of skiing under the drive of the disc (501).

7. The mechanical music box according to claim 1, characterized in that, It also includes a power conversion structure, which is set between the short track speed skating simulation platform and the power input structure. The power conversion structure is connected to the central shaft (401) and can drive the second gear transmission mechanism to rotate. The second gear transmission mechanism includes a power spur gear (601), a second internal meshing gear ring (602), a third internal meshing gear ring (606), and a first spur gear (605); The power spur gear (601) is sleeved and fixed on the central shaft (401). The inner tooth surface of the second internal meshing gear ring (602) meshes with the power spur gear (601). The first spur gear (605) is located outside the second internal meshing gear ring (602). The third internal meshing gear ring (606) is located outside the first spur gear (605) and the second internal meshing gear ring (602) and meshes with the first spur gear (605). The power conversion structure can drive the first spur gear (605) to rotate, thereby driving the third internal meshing gear ring (606) to rotate. The power spur gear (601) can drive the second internal meshing gear ring (602) to rotate. Decorative parts are provided on both the second internal meshing gear ring (602) and the third internal meshing gear ring (606).

8. The mechanical music box according to claim 7, characterized in that, The power conversion structure includes a central shaft spur gear (701), a support shaft spur gear (702), and a support shaft, which are sleeved and fixed on the central shaft (401). One end of the support shaft is connected to the bottom shell (901), and the other end of the support shaft passes through the platform body and is fixed to the first spur gear (605). A support shaft spur gear (702) is fixedly installed on the support shaft. The support shaft spur gear (702) meshes with the central shaft spur gear (701). The central shaft (401) can drive the support shaft spur gear (702) to rotate through the central shaft spur gear (701), thereby driving the third internal meshing gear ring (606) to rotate in the first direction in sequence through the support shaft and the first spur gear (605). The central shaft (401) can drive the second internal meshing gear ring (602) to rotate in a second direction via the power spur gear (601), the first direction being opposite to the second direction.

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