CN217788015U - Stage scene music box - Google Patents

Abstract

The utility model relates to the technical field of ornaments, in particular to a stage scene music box which can switch multiple scenes and can display the scene of stage opening and closing, comprising a shell, a background conversion component, a curtain opening and closing component and a model driving component; the bottom of the shell is provided with a base, the main surface of the shell is provided with a display opening, and a power supply, a control circuit board and a loudspeaker are arranged in the base; the background conversion assembly comprises a background installation part, a first motor and a first speed regulating gear set, wherein the side surface of the ring is provided with at least three background plates; the curtain opening and closing assembly comprises a first curtain and a second curtain on two sides of the display opening, a first driving piece and a second driving piece for driving the first curtain and the second curtain, a second motor, a second speed regulating gear set, a first turntable and a second turntable, wherein the first turntable and the second turntable are respectively connected with the second speed regulating gear set and are provided with eccentric columns for driving the first curtain and the second curtain to swing; the model driving assembly comprises a third motor, a plurality of gear sets and a character model connected with the gear sets.

Description

Stage scene music box

Technical Field

The utility model relates to a goods of furniture for display rather than for use technical field especially relates to a can carry out the stage scene music box that many scenes switched and can demonstrate the stage and open or close the scene.

Background

Stage scenery music box is the goods of furniture for display rather than for use device that simulates the stage molding and can play audio frequency, through set up the stage background in the casing of semi-open to use the bottom plate of casing as the stage, accept personage model or article model, reach the purpose that shows stage scenery was scended. In traditional stage scenery music box, the stage scenery part is mostly the integral type structure, with character model or article model and stage through the mode integrated into one piece of moulding plastics, or places detachable such as character model on the stage to the consumer adds suitable character model according to self needs, in order to satisfy self demand. However, the two stage scene music boxes lack dynamic effects, relative position change cannot be generated between character models and stages, and it is difficult to simulate the situation that characters perform on stages in real scenes, so that the interestingness of ornaments is not enough.

Chinese utility model patent (CN 215461983U) discloses a children intelligence toy, which forms a stage by a bottom plate, a background plate and supporting plates, at least one sliding block is arranged on the supporting frame at the top of the supporting plates at two sides, and the character model is hoisted and driven by the sliding block to move in the stage, thereby generating dynamic effect, however, the structure of the children intelligence toy is simple, only the stage scene with a single scene can be displayed, and the product is not interesting enough; in addition, above-mentioned stage is open stage, is difficult to embody the scene that the stage was opened the curtain and is closed for the toy is not enough to the degree of reduction of stage scene, is difficult to promote the market competition of product.

SUMMERY OF THE UTILITY MODEL

Based on this, it is necessary to provide a stage scene music box capable of performing multi-scene switching and displaying stage opening/closing scenes, aiming at the technical problems of single display scene and insufficient restoration degree of the stage scene.

A stage scene music box comprises a shell, a background conversion component, a curtain opening and closing component and a model driving component, wherein the background conversion component, the curtain opening and closing component and the model driving component are accommodated in the shell;

the bottom of the shell is provided with a base, the main surface of the shell is provided with a display opening, a stage area is formed in the inner cavity of the shell, and a power supply, a control circuit board electrically connected with the power supply and a loudspeaker electrically connected with the control circuit board are accommodated in the base;

the background conversion assembly comprises a background installation part in a columnar structure, a first motor and a first speed regulating gear set, wherein the first motor is positioned at the top of the background installation part and is electrically connected with the control circuit board, the first speed regulating gear set is connected with the output end of the first motor and drives the background installation part to rotate in a horizontal plane, and at least three background plates with preset patterns are sequentially arranged on the side surface of the ring of the background installation part;

the curtain opening and closing assembly comprises a first curtain and a second curtain which are oppositely arranged on two sides of the display opening, a first driving piece which is fixedly connected with the top of the first curtain and can rotate relative to the base, a second driving piece which is fixedly connected with the top of the second curtain and can rotate relative to the base, a second motor which is electrically connected with the control circuit board, a second speed regulating gear set which is in driving connection with the output end of the second motor, and a first rotary disc and a second rotary disc which are arranged at intervals, wherein a first eccentric column which is embedded in the first driving piece and drives the first driving piece to swing is arranged at the bottom of the first rotary disc, a second eccentric column which is embedded in the second driving piece and drives the second driving piece to swing is arranged at the bottom of the second rotary disc, an output end gear of the second speed regulating gear set is connected with the first rotary disc and coaxially rotates, and a gear which is meshed with the output end gear is connected with the second rotary disc and coaxially rotates;

the model driving assembly comprises a third motor electrically connected with the control circuit board, a transmission gear set in driving connection with the output end of the third motor, a plurality of sub gear sets respectively in meshing fit with the transmission gear set, and a plurality of character models which are in driving connection with the transmission gear set and the sub gear sets and rotate, wherein the sum of the number of the transmission gear sets and the sub gear sets is equal to the total number of the background plates; one side of each background plate, which is back to the center of the background installation part, is provided with a transmission gear set or a sub-gear set and at least one object model.

In one embodiment, the background installation member comprises a bottom table and a top table which are respectively in a disc structure and are oppositely arranged, three background plates which are sequentially connected in an area between the bottom table and the top table and are distributed annularly, and the background plates are bent towards a direction back to the display opening to form an arc-shaped structure.

In one embodiment, an arc limiting plate is arranged in the base at a position adjacent to the display opening, the arc limiting plate is installed on a bottom plate of the base through a supporting rod, the top surface of the arc limiting plate is flush with the bottom of the display opening, the outer side surface of the arc limiting plate is adjacent to the display opening and abutted against the inner surface of the shell, and the inner side surface of the arc limiting plate is abutted against the edge of the bottom platform.

In one embodiment, the three background plates separate the base platform and form three display areas arranged at intervals on the base platform, the model driving assembly comprises a transmission gear set and two sub gear sets respectively engaged with the transmission gear set, the transmission gear set is positioned below the base platform and corresponds to one display area, the two sub gear sets are positioned below the base platform and respectively correspond to the other two display areas, at least one character model is arranged in each display area, and the character model penetrates through the base platform and is in driving connection with the transmission gear set or the sub gear sets.

In one embodiment, the first driving member and the second driving member are respectively in an L-shaped plate structure, the transverse portion of the first driving member is in an arc-shaped structure, and the vertical portion of the first driving member is provided with a first strip-shaped hole for penetrating the first eccentric column; the transverse part of the second driving part is of an arc-shaped structure, and the vertical part of the second driving part is provided with a second strip-shaped hole for penetrating the second eccentric column; the first curtain and the second curtain are respectively in an arc surface-shaped structure.

In one embodiment, the first and second drivers are hingedly connected.

In one embodiment, a power switch electrically connected with the power supply and the control circuit board is arranged on one side surface of the base, which faces away from the display opening.

In one embodiment, an LED lamp electrically connected with the control circuit board is arranged on the top of the stage area in the shell.

In one embodiment, the housing is provided with windows on two sides of the display opening respectively.

Implement the utility model discloses a stage scene music box, set up at least three background boards in proper order in the ring side of the background installed part of column structure, and set up drive gear group or sub-gear group on each background board back to one side of background installed part, and set up at least one character model, through the work of control circuit board control first motor, first speed governing gear group control background installed part rotates, in order to realize the switching of scene and character model, through controlling the work of second motor, drive character model through drive gear group and sub-gear group, make character model meet and do, thereby show the scene of character model motion under the specific scene, the multi-scene switching of stage scene music box has been realized; through the drive of second motor and the transmission effect of second speed governing gear train for first driving piece drives first curtain swing, and makes the second driving piece drive the swing of second curtain, thereby realizes opening and shutting of stage scene music box curtain, provides stage scene music box and opens the curtain and close the curtain scene show, and the interest of product is stronger, is favorable to promoting the market competition of product.

Drawings

Fig. 1 is a schematic structural view of a stage scene music box according to an embodiment of the present invention;

fig. 2 is an exploded view of the music box of the stage scene according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a background conversion module according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a curtain opening and closing assembly according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a model driving assembly according to an embodiment of the present invention;

fig. 6 is a schematic circuit diagram of a control circuit according to an embodiment of the present invention;

fig. 7 is a schematic circuit diagram of an audio playback circuit according to an embodiment of the present invention;

fig. 8 is a schematic circuit diagram of a lighting circuit in an embodiment of the present invention;

fig. 9 is a schematic circuit diagram of a background board driving circuit according to an embodiment of the present invention;

fig. 10 is a schematic circuit diagram of a model driving circuit according to an embodiment of the present invention;

fig. 11 is a schematic circuit diagram of a curtain driving circuit according to an embodiment of the present invention;

fig. 12 is a schematic circuit diagram of a switching circuit according to an embodiment of the present invention.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

The utility model provides a can carry out the stage scene music box 10 that multi-scene switches and can demonstrate stage and open or close the curtain scene, this stage scene music box 10 sets up rotatable background installed part 210 and the curtain that can open and shut on the basis of stage scene appearance to set up different vivid character models on the background board side of different patterns, carry out the scene through rotating background installed part 210 and switch, and through the drive curtain swing, make the curtain open or close, show with the scene that opens and close with the realization stage scene music box 10.

Referring to fig. 1 and 2, the stage scene music box 10 of the present embodiment includes a casing 100, a background conversion assembly 200, a curtain opening and closing assembly 300, and a model driving assembly 400 accommodated in the casing 100, wherein a base 110 is disposed at the bottom of the casing 100, and the base 110 may be independently disposed at the bottom of the casing 100 or integrally formed with the casing 100 to form a part of the casing 100; the show mouth 120 has been seted up to the principal plane of shell 100, and in this embodiment, the bottom height of show mouth 120 is highly leveled with the top of base 110, or is a little higher than base 110 top height, and the inner chamber of shell 100 is formed with the stage district, and when stage scene music box 10 used, the user observed the stage scene in the stage district through show mouth 120. The base 110 accommodates therein a power source (not shown), which may be a dry battery, a rechargeable battery or a DC charging socket, for providing an operating voltage of the stage scene music box 10, a control circuit board 111 electrically connected to the power source, and a speaker 112 electrically connected to the control circuit board 111; the speaker 112 is used to work synchronously with the character model in the scene after the scene switching of the stage scene music box 10, so as to show the scene that the character model dances in the music.

The background conversion assembly 200 includes a background installation member 210 having a cylindrical structure, a first motor 220 located at the top of the background installation member 210 and electrically connected to the control circuit board 111, and a first speed-adjusting gear set 230 connected to an output end of the first motor 220 and driving the background installation member 210 to rotate in a horizontal plane, wherein at least three background boards 211 having preset patterns are sequentially disposed on a ring side of the background installation member 210, and the patterns on each background board 211 are different to provide stage effects of different scenes. The curtain opening and closing assembly 300 comprises a first curtain 310 and a second curtain 320 which are oppositely arranged at two sides of the display opening 120, a first driving piece 330 which is fixedly connected with the top of the first curtain 310 and can rotate relative to the base 110, a second driving piece 340 which is fixedly connected with the top of the second curtain 320 and can rotate relative to the base 110, a second motor 350 which is electrically connected with the control circuit board 111, a second speed regulating gear set 360 which is in driving connection with the output end of the second motor 350, and a first rotary disc 370 and a second rotary disc 380 which are arranged at intervals, wherein a first eccentric column 371 which is embedded in the first driving piece 330 and drives the first driving piece 330 to swing is arranged at the bottom of the first rotary disc 370, a second eccentric column 381 which is embedded in the second driving piece 340 and drives the second driving piece 340 to swing is arranged at intervals, an output end gear of the second speed regulating gear set 360 is connected with the first rotary disc 370 and coaxially rotates, and a gear which is meshed with the output end gear 380 on the second speed regulating gear set 360 is connected with the second rotary disc 380 and coaxially rotates. In this embodiment, the first curtain 310 and the second curtain 320 are used together as a curtain of the stage scene music, and when the first curtain 310 and the second curtain 320 are driven by the first driving member 330 and the second driving member 340 to approach each other, the curtain closing action of the stage scene music box 10 is realized, and when the first curtain 310 and the second curtain 320 are driven by the first driving member 330 and the second driving member 340 to separate from each other, the curtain opening action of the stage scene music box 10 is realized.

The model driving assembly 400 comprises a third motor 410 electrically connected with the control circuit board 111, a transmission gear set 420 in driving connection with the output end of the third motor 410, a plurality of sub gear sets 430 respectively engaged with the transmission gear set 420, and a plurality of character models 440 in driving connection and rotation with the transmission gear set 420 and the sub gear sets 430, wherein the sum of the number of the transmission gear sets 420 and the sub gear sets 430 is equal to the total number of the background plates 211; a transmission gear set 420 or a sub gear set 430 is provided on a side of each background plate 211 facing away from the center of the background mounting member 210, and at least one character model 440 is provided. In this embodiment, the plurality of sub-gear sets 430 are respectively engaged with the transmission gear set 420, and the gear sets (the transmission gear set 420 and the sub-gear sets 430) located at the side of each background board 211 can be simultaneously driven by one third motor 410, so that the character model 440 connected to the gear sets is driven to move, and a scene where the character model 440 dances under a specific background is obtained. It should be noted that, when the number of the background plates 211 is three, the number of the sub-gear sets 430 is two, that is, two sub-gear sets 430 are respectively disposed on two sides of the transmission gear set 420, and the two sub-gear sets 430 are respectively engaged with the transmission gear set 420; when the number of the background plates 211 is four, the number of the sub gear sets 430 is three, and the three sub gear sets 430 are respectively engaged with the driving gear set 420, and in addition, the sub gear sets 430 positioned at both sides of the driving gear set 420 are engaged with the third sub gear set 430, so as to improve the stability of the transmission of each gear set in the model driving assembly 400.

The housing 100 is used for accommodating the rest of the components and providing a place for displaying a music box scene. In this embodiment, the housing 100 and the base 110 are integrally formed, the inner cavity of the base 110 is communicated with the inner cavity of the housing 100, and the housing 100 and the base 110 are both made of wood, but may also be made of plastic or metal. The casing 100 is integrally stage-shaped, the casing 100 of the present embodiment is a hollow octagonal prism with one side open to form the display opening 120, a tapered top shell is disposed on the top of the casing 100, and a column and a building board are disposed on the outer surface of the casing 100 at the periphery of the display opening 120. The window 113 is respectively disposed on the two sides of the display opening 120 on the casing 100, and the window 113 is provided with a window edge and a transparent plate covering the window edge, so that, in the using process of the stage scene music box 10, a user can see and clear the scene in the stage area through the window 113 on the side of the casing 100, thereby providing a plurality of stage scenes watching visual angles for the user. Further, an LED lamp 114 electrically connected to the control circuit board 111 is provided at the top of the stage area within the housing 100. As such, when the background mounting member 210 rotates and causes the stage scene music box 10 to switch into a preset scene, the LED lamp 114 is turned on under the control of the control circuit board 111, thereby providing a lighting effect for the stage. In this embodiment, the LED lamp 114 can be a single-color lamp bead, and can also be an RGB lamp bead, when the stage scene music box 10 is used, the control circuit board 111 controls the LED lamp 114 to continuously light or flash, and the color of the LED lamp 114 can also be switched under the condition that the LED lamp 114 is the RGB lamp bead, so as to meet the requirement of the user on the lamp effect of the stage scene music box 10.

In this embodiment, a detachable cover plate 115 is disposed at the bottom of the base 110, and the cover plate 115 is connected to the base 110 by a screw or a snap for sealing the inner cavity of the base 110. A power switch 116 electrically connected to the power supply and the control circuit board 111 is disposed on a side of the base 110 opposite to the display opening 120, and before the stage music box 10 is used, the power supply is switched on with the control circuit board 111 by toggling or pressing the power switch 116, so as to start the stage music box 10.

Referring to fig. 2 and 3, the background installation member 210 includes a bottom stage 212 and a top stage 213, which are respectively in a disc structure and are oppositely disposed, and three background plates 211 sequentially connected and annularly distributed in an area between the bottom stage 212 and the top stage 213, wherein the background plates 211 are bent in a direction back to the display opening 120 to form an arc structure. Further, an arc limiting plate 117 is arranged at a position, adjacent to the display opening 120, in the base 110, the arc limiting plate 117 is installed on the bottom plate of the base 110 through a support rod 118, the top surface of the arc limiting plate 117 is flush with the bottom of the display opening 120, the outer side surface of the arc limiting plate 117 is adjacent to the display opening 120 and is abutted against the inner surface of the shell 100, and the inner side surface of the arc limiting plate 117 is abutted against the edge of the bottom platform 212. In this embodiment, arc limiting plate 117 is used for spacing the edge of base 212, prevents that background installed part 210 from rotating the in-process and taking place the aversion, and in addition, when the user is looked forward from show mouth 120 to the stage district, base 212 constitutes the stage plane of stage scene with arc limiting plate 117 jointly to avoid appearing the influence that the gap caused to stage music box 10 appearance integrality because of the bottom in stage district.

Further, the three background plates 211 separate the base 212 and form three display areas arranged at intervals on the base 212, the model driving assembly 400 includes a transmission gear set 420 and two sub gear sets 430 respectively engaged with the transmission gear set 420, the transmission gear set 420 is located below the base 212 and corresponds to one display area, the two sub gear sets 430 are located below the base 212 and correspond to the other two display areas, at least one character model 440 is arranged in each display area, and the character model 440 penetrates through the base 212 and is in driving connection with the transmission gear set 420 or the sub gear sets 430. In this embodiment, the patterns on the background board 211 and the images of the character models 440 in each display area are different, so that when the stage scene music box 10 is switched to different scenes, different stage contents are displayed.

It should be further noted that in the present embodiment, the first motor 220 and the first speed gear set 230 are driven by a driving belt, so as to improve the driving efficiency and the driving stability. A top plate is disposed at the top of the background installation member 210 in the housing 100, the first motor 220, the first speed-adjusting gear set 230, the second motor 350 and the second speed-adjusting gear set 360 are mounted on the top plate, and the third motor 410, the transmission gear set 420 and each of the sub-gear sets 430 are respectively mounted on the bottom cover.

Referring to fig. 4, the second motor 350 and the second speed-adjusting gear set 360 are also driven by a belt. In this embodiment, the second speed-adjusting gear set 360 includes a first gear 361 connected to an output shaft of the second motor 350 or a driven wheel straddled by a transmission belt and coaxially rotating, a second gear 362 meshed with the first gear 361, a third gear 363 meshed with the second gear 362 or a gear coaxially connected with the second gear 362, a fourth gear 364 coaxially rotating with the third gear 363, a fifth gear 365 meshed with the fourth gear 364 and coaxially rotating with the second turntable 380, and a sixth gear 366 meshed with the fifth gear 365 and coaxially rotating with the first turntable 370, in this embodiment, a gear may be further disposed between the fourth gear 364 and the fifth gear 365, so that the first turntable 370 and the second turntable 380 may be simultaneously driven to rotate by the same second motor 350, and the first driving member 330 and the second driving member 340 may be driven to swing, respectively, so as to realize opening and closing of the stage music box 10.

In one embodiment, the first driving member 330 and the second driving member 340 are respectively in an L-shaped plate structure, the transverse portion of the first driving member 330 is in an arc-shaped structure, and the vertical portion of the first driving member 330 is provided with a first strip-shaped hole 331 for passing through the first eccentric column 371; the transverse part of the second driving part 340 is an arc-shaped structure, and the vertical part of the second driving part 340 is provided with a second strip-shaped hole 341 for penetrating the second eccentric column 381; the first curtain 310 and the second curtain 320 are respectively in an arc-shaped structure. Further, the first driving member 330 and the second driving member 340 are hinge-coupled. In this embodiment, the bottom of the arc-shaped transverse portion of the first driving member 330 and the bottom of the arc-shaped transverse portion of the second driving member 340 are respectively provided with an arc-shaped slot, and the first curtain 310 and the second curtain 320 are correspondingly embedded into the arc-shaped slots of the first driving member 330 and the second driving member 340, so as to realize the clamping connection between the first curtain 310 and the first driving member 330, and the clamping connection between the second curtain 320 and the second driving member 340. When the first rotary table 370 and the second rotary table 380 rotate under the transmission of the second speed-adjusting gear set 360, the first eccentric column 371 is constrained by the first strip-shaped hole 331, rotates under the driving of the first rotary table 370 and swings in the first strip-shaped hole 331 in a reciprocating manner, so that the first driving member 330 is pulled periodically to swing along an arc-shaped route by the center of the hinge connection part of the first driving member 330 and the second driving member 340; similarly, the second eccentric column 381 is constrained by the second strip-shaped hole 341, rotates under the driving of the second rotary disc 380, and swings back and forth in the second strip-shaped hole 341, so as to periodically pull the second driving member 340 to swing along an arc-shaped path with the center of the hinge connection portion of the first driving member 330 and the second driving member 340, thereby realizing the opening and closing of the first curtain 310 and the second curtain 320. It should be noted that the first curtain 310 and the second curtain 320 of the present embodiment can be cut from felt or obtained by injection molding, and of course, silk can be fixed on the arc-shaped transverse portion of the first driving element 330 and the arc-shaped transverse portion of the second driving element 340 to obtain the first curtain 310 and the second curtain 320.

Referring to fig. 5, in the embodiment, the third motor 410 and the transmission gear set 420 are driven by a transmission belt, so as to improve transmission efficiency and transmission stability. In this embodiment, through setting up drive gear group 420 and a plurality of sub-gear group 430, guaranteed on the one hand to drive the motion of personage model 440 in the different show districts simultaneously through same third motor 410, on the other hand, through a plurality of gear engagement, realized the remote transmission to personage model 440 to guaranteed the driven stability of gear train, avoided appearing rocking scheduling problem.

The control circuit board 111 includes a control circuit, an audio playing circuit, a lighting circuit, a background board driving circuit, a model driving circuit, a curtain driving circuit, and a switch circuit, please refer to fig. 6-12, the control circuit includes a control IC of GPCD9TP170B, i.e., U1, or other programmable ICs, and the control circuit can achieve the control requirement of the product by writing a corresponding program. The audio playing circuit comprises a power amplifier IC connected with a loudspeaker, namely U3, the power amplifier IC is connected with an IOD6 pin of a control IC, the lighting circuit comprises D5 (namely an LED lamp) which is connected with an AVDD pin of the control IC, the background board driving circuit, the model driving circuit and the curtain driving circuit respectively comprise MG1, MG2 and MG3, the three are respectively connected with the IOD1, IOD0, IOD2 and IOD3 of the control IC, wherein the curtain driving circuit further comprises a forward and reverse rotation control IC, namely U4, the forward and reverse rotation control IC is respectively connected with the IOD2 and the IOD3 of the control IC to receive an opening curtain signal and rotate forward and receive a closing curtain signal and rotate reversely. The switch circuit comprises an S2 (namely a power switch) for connecting power voltage, and the control circuit board further comprises an auxiliary switch circuit for controlling the on-off of the background board driving circuit, the model driving circuit and the curtain driving circuit.

Implement the utility model discloses a stage scene music box 10, set up at least three background board 211 in the order in the ring side of the background installed part 210 of column structure, and set up drive gear group 420 or sub-gear group 430 on every background board 211 one side that is dorsad to background installed part 210, and set up at least one character model 440, control first motor 220 work through control circuit board 111, first speed governing gear group 230 control background installed part 210 rotates, in order to realize the switching of scene and character model 440, through controlling second motor 350 work, drive character model 440 through drive gear group 420 and sub-gear group 430, make character model 440 meet and make, thereby show the scene that character model 440 moved under the specific scene stage, the switching of many scenes of scene music box 10 has been realized; through the drive of second motor 350 and the transmission effect of second speed gearset 360 for first driving piece 330 drives first curtain 310 swing, and makes second driving piece 340 drive the swing of second curtain 320, thereby realizes opening and shutting of stage scene music box 10 curtain, provides stage scene music box 10 and opens the curtain and close the curtain scene show, and the interest of product is stronger, is favorable to promoting the market competition of product.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the concept of the present invention, several variations and modifications can be made, which all fall within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (8)

1. A stage scene music box is characterized by comprising a shell, a background conversion component, a curtain opening and closing component and a model driving component, wherein the background conversion component, the curtain opening and closing component and the model driving component are accommodated in the shell;

the bottom of the shell is provided with a base, the main surface of the shell is provided with a display opening, a stage area is formed in the inner cavity of the shell, and the base is internally provided with a power supply, a control circuit board electrically connected with the power supply and a loudspeaker electrically connected with the control circuit board;

the background conversion assembly comprises a background installation part in a columnar structure, a first motor and a first speed regulating gear set, wherein the first motor is positioned at the top of the background installation part and is electrically connected with the control circuit board, the first speed regulating gear set is connected with the output end of the first motor and drives the background installation part to rotate in a horizontal plane, and at least three background plates with preset patterns are sequentially arranged on the side surface of the ring of the background installation part;

the curtain opening and closing assembly comprises a first curtain and a second curtain which are oppositely arranged on two sides of the display opening, a first driving piece which is fixedly connected with the top of the first curtain and can rotate relative to the base, a second driving piece which is fixedly connected with the top of the second curtain and can rotate relative to the base, a second motor which is electrically connected with the control circuit board, a second speed regulating gear set which is connected with the output end of the second motor in a driving way, and a first rotating disc and a second rotating disc which are arranged at intervals, wherein a first eccentric column which is embedded in the first driving piece and drives the first driving piece to swing is arranged at the bottom of the first rotating disc, a second eccentric column which is embedded in the second driving piece and drives the second driving piece to swing is arranged at the bottom of the second rotating disc, an output end gear of the second speed regulating gear set is connected with the first rotating disc and coaxially rotates, and a gear which is meshed with the output end gear on the second speed regulating gear set is connected with the second rotating disc and coaxially rotates;

the model driving assembly comprises a third motor electrically connected with the control circuit board, a transmission gear set in driving connection with the output end of the third motor, a plurality of sub gear sets respectively in meshing fit with the transmission gear set, and a plurality of character models which are in driving connection with the transmission gear set and the sub gear sets and rotate, wherein the sum of the number of the transmission gear sets and the sub gear sets is equal to the total number of the background plates; one side of each background plate, which is back to the center of the background mounting piece, is provided with a transmission gear set or a sub-gear set and at least one human model;

and an LED lamp electrically connected with the control circuit board is arranged at the top of the stage area in the shell.

2. A stage scene music box according to claim 1, wherein the background installation member comprises a bottom platform and a top platform which are respectively in a disc structure and are oppositely arranged, and three background plates which are sequentially connected in an area between the bottom platform and the top platform and are annularly distributed, wherein the background plates are bent in a direction back to the display opening to form an arc-shaped structure.

3. A stage scene music box according to claim 2, wherein an arc-shaped limiting plate is arranged in the base at a position adjacent to the display opening, the arc-shaped limiting plate is mounted on a bottom plate of the base through a support rod, the top surface of the arc-shaped limiting plate is flush with the bottom of the display opening, the outer side surface of the arc-shaped limiting plate is adjacent to the display opening and is abutted against the inner surface of the shell, and the inner side surface of the arc-shaped limiting plate is abutted against the edge of the bottom platform.

4. A stage scene music box according to claim 3, wherein three background plates separate the base and form three display areas at intervals on the base, the model driving assembly comprises a transmission gear set and two sub-gear sets respectively engaged with the transmission gear set, the transmission gear set is located below the base and corresponds to one of the display areas, the two sub-gear sets are located below the base and correspond to the other two display areas, at least one character model is arranged in each display area, and the character model penetrates through the base and is in driving connection with the transmission gear set or the sub-gear sets.

5. A stage scene music box according to claim 4, wherein the first driving member and the second driving member are respectively in an L-shaped plate structure, a transverse portion of the first driving member is in an arc-shaped structure, and a vertical portion of the first driving member is provided with a first strip-shaped hole for penetrating the first eccentric column; the transverse part of the second driving part is of an arc-shaped structure, and the vertical part of the second driving part is provided with a second strip-shaped hole for penetrating the second eccentric column; the first curtain and the second curtain are respectively in an arc surface-shaped structure.

6. A stage scene music box according to claim 5, wherein the first and second drive members are hingedly connected.

7. A stage scene music box according to claim 6, wherein a power switch electrically connected with the power supply and the control circuit board respectively is arranged on a side surface of the base opposite to the display opening.

8. A stage scene music box according to claim 7, wherein windows are respectively opened on the shell at both sides of the display opening.

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