CN217280004U

CN217280004U - Music box

Info

Publication number: CN217280004U
Application number: CN202220649470.0U
Authority: CN
Inventors: 陈建明
Original assignee: Shenzhen Hongtai Intelligent Creative Electronic Technology Co ltd
Current assignee: Shenzhen Hongtai Intelligent Creative Electronic Technology Co ltd
Priority date: 2022-03-23
Filing date: 2022-03-23
Publication date: 2022-08-23
Anticipated expiration: 2032-03-23

Abstract

The utility model relates to the technical field of toy ornaments, in particular to a music box with dynamically changing show window scene and lighting effect, which comprises a shell, a control component, a driving component, a LED lamp, an audio power amplifier IC and a loudspeaker, wherein the main surface of the shell is provided with a window, the bottom of the shell is provided with a base which is hollow inside and forms a control cavity, and the top of the base is provided with a rotary hole; the control assembly comprises a control circuit board, a motor and a power supply which are contained in the control cavity; the driving assembly comprises a driving gear in driving connection with the output end of the motor and at least one driven gear meshed with the driving gear step by step, a rotary disc driven to rotate by the driving gear or the driven gear is arranged in the rotary hole or at the bottom of the rotary hole, and a rotary shaft penetrating through the top of the base is arranged at the output end of the other gear in the gear set; a first doll model is arranged on the surface of the rotary disc, and a second doll model is arranged on the rotating shaft; the LED lamp and the audio power amplifier IC are respectively electrically connected with the control circuit board; the loudspeaker is connected with the audio power amplifier IC.

Description

Music box

Technical Field

The utility model relates to a toy goods of furniture for display rather than for use technical field especially relates to a music box with dynamic change show window scene and bright lamp effect.

Background

The show window scene music box combines the show window scene handicraft with the music box, provides the view and admire in the show window, and can play music to meet the audio-visual requirement of consumers. The inner scene structure of the show window in the traditional show window scene music box is often integrally formed, the inner scene structure is fixed and unchanged, the dynamic change of the inner scene structure is lacked, and the attraction to consumers is insufficient. In addition, the traditional show window scene music box is simple in structure and single in function, when the show window scene music box is placed in a dark environment with poor light, consumers can only hear the music played by the music box and cannot watch the show window inner scene, the applicable scene of the show window scene music box is limited, and the market competitiveness of products is not improved favorably.

SUMMERY OF THE UTILITY MODEL

Based on this, there is a need to provide a music box with dynamically changing window scene and lighting effect to solve the technical problems of lacking dynamic change of the interior scene structure and limited use in dark environment with poor light.

A music box, the music box comprising:

the main surface of the shell is provided with a window communicated with the inner cavity of the shell, the bottom of the shell is provided with a base, the interior of the base is hollow and forms a control cavity, and the top of the base is provided with a rotary hole;

the control assembly is accommodated in the control cavity and comprises a control circuit board, a motor electrically connected with the control circuit board and a power supply electrically connected with the control circuit board;

the driving assembly comprises a gear set accommodated in the control cavity, the gear set comprises a driving gear in driving connection with the output end of the motor and at least one driven gear meshed with the driving gear step by step, a rotary disc which is connected with the driving gear or the driven gear and driven to rotate by the driving gear or the driven gear is arranged in the rotary hole or at the bottom of the rotary hole, and a rotating shaft penetrating through the top of the base is arranged at the output end of the other gear in the gear set; a first doll model is fixedly arranged on the disc surface of the turntable, and a second doll model is arranged on the rotating shaft;

the LED lamp is accommodated in the inner cavity of the shell and is electrically connected with the control circuit board; and

the audio power amplifier IC is contained in the control cavity and is electrically connected with the control circuit board; the loudspeaker is connected with the audio power amplifier IC and plays audio under the control of the audio power amplifier IC.

In one embodiment, when the gear set comprises a driven gear, the rotary disc is connected with the driving gear, and the rotary shaft rotates coaxially with the driven gear, or the rotary disc is connected with the driven gear and the rotary shaft rotates coaxially with the driving gear; when the gear set comprises at least two driven gears, the rotary disc is connected with the driving gear or one driven gear, and the rotary shaft and one of the rest gears of the gear set rotate coaxially.

In one embodiment, the rotary disc is coaxially arranged or meshed with the driving gear or the driven gear; when the turntable is meshed with the driving gear or the driven gear, gear teeth are arranged on the side face of the ring of the turntable.

In one embodiment, when the rotary table is engaged with the driving gear or the driven gear, a bottom cover with a convex column in the middle is fixedly arranged on a bottom plate of the base, a mounting groove extending from the bottom of the rotary table to the top surface of the rotary table is formed in the rotary table, and the convex column is embedded in the mounting groove and is abutted against the inner wall surface of the mounting groove.

In one embodiment, the music box further comprises a casing, and the casing is sleeved on the rotating shaft and fixedly connected with the top of the base.

In one embodiment, at least one third doll model is also secured to the top of the base.

In one embodiment, an arcuate linkage is secured to the second doll model.

In one embodiment, the speaker is mounted on the back plate of the base, and the back plate of the base is provided with a sound outlet.

In one embodiment, the main surface of the shell is provided with a protective door capable of opening and closing at the edge of the window, and the middle part of the protective door is hollowed and provided with a transparent glass plate.

In one embodiment, the LED lamp is arranged on the inner wall surface of the shell or/and the top of the base or attached to any component surface in the inner cavity of the shell.

When the music box of the utility model is implemented, the motor, the first gear set and the second gear set are arranged in the control cavity of the base, and the motor drives the turntable and the rotating shaft to rotate through the first gear set and the second gear set when working, so that the first doll model on the turntable and the second doll model on the rotating shaft rotate, the dynamic change of the inside of the show window of the music box is realized, and the interest of the music box is improved; the LED lamp is arranged in the inner cavity of the shell, and the LED lamp can provide a lighting effect for the show window inner view of the music box when being lighted, so that a user can clearly see the show window inner view of the music box in a dark environment, and the applicable scenes of the music box are enlarged.

Drawings

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

fig. 2 is a schematic structural diagram of the control assembly and the driving assembly after being connected according to an embodiment of the present invention;

fig. 3 is an exploded view of the control assembly and the drive assembly in an embodiment of the present invention;

fig. 4 is a block diagram of a music box according to an embodiment of the present invention;

fig. 5 is a schematic circuit diagram of a control circuit board according to an embodiment of the present invention;

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

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

fig. 8 is a schematic circuit diagram of an audio circuit according to an embodiment of the present invention;

fig. 9 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.

Referring to fig. 1 to 4, the present invention discloses a music box 10 with dynamically changing window scene and lighting effect, the music box 10 includes a housing 100, a control component 200, a driving component 300, an LED lamp 400, an audio power amplifier IC500 and a speaker 600, wherein the housing 100 is used for providing an installation and accommodation space for other components, a window 110 communicated with an inner cavity of the housing 100 is disposed on a main surface of the housing 100, and it can also be understood that the housing 100 has a box-shaped structure with an open main surface. The bottom of the casing 100 is provided with a base 120, the inside of the base 120 is hollow and forms a control cavity, the top of the base 120 is provided with a rotating hole 121, and the base 120 is used for lifting the height of the bottom of the casing 100 on one hand, so that external liquid is prevented from entering the inner cavity of the casing 100 when the music box 10 is placed on a table top or an external plane; and also provides a space for accommodating the control assembly 200 and the driving assembly 300, so as to avoid safety accidents or damage of parts caused by exposure of electrical control elements and mechanical transmission members, thereby improving the safety of the music box 10 and prolonging the service life of the music box 10. The control assembly 200 is accommodated in the control cavity and includes a control circuit board 210, a motor 220 electrically connected to the control circuit board 210, and a power supply 230 electrically connected to the control circuit board 210, wherein the power supply 230 is used for supplying electric power to the operation of the music box 10. In this embodiment, the power supply 230 may be a dry cell battery, a storage battery, or a power supply 230 adapter that connects to an external power supply 230. The main surface of the casing 100 refers to a surface of the music box 10 facing a user when in use and facilitating the user to see the components inside the inner cavity of the casing 100, and other embodiments can be explained with reference to this.

The driving assembly 300 includes a gear set accommodated in the control cavity, the gear set includes a driving gear 310 in driving connection with the output end of the motor 220 and at least one driven gear 320 meshed with the driving gear 310 step by step, a rotary table 330 connected with the driving gear 310 or the driven gear 320 and driven to rotate by the driving gear 310 or the driven gear 320 is arranged in the rotary hole 121 or at the bottom of the rotary hole 121, and a rotary shaft 340 penetrating through the top of the base 120 is installed at the output end of another gear in the gear set; a first doll model 350 is fixedly arranged on the surface of the rotating disc 330, and a second doll model 360 is arranged on the rotating shaft 340. In this embodiment, the gradual engagement of the driven gear 320 and the driving gear 310 means that the driven gear 320 is engaged with the driving gear 310 when the number of the driven gears 320 is one; when the number of the driven gears 320 is greater than one, for example, the number of the driven gears 320 is three, the driven gears 320 include a primary gear, a secondary gear, and a tertiary gear, wherein the primary gear is engaged with the driving gear 310, the secondary gear is engaged with the primary gear, the tertiary gear is engaged with the secondary gear, and so on. That is, the stepwise engagement referred to in the present embodiment refers to linear engagement between gears, and there is no case where two gears are engaged with the same gear. The LED lamp 400 is accommodated in the inner cavity of the housing 100 and electrically connected to the control circuit board 210; the audio power amplifier IC500 is accommodated in the control cavity and electrically connected with the control circuit board 210; the speaker 600 is connected to the audio power amplifier IC500, and plays audio under the control of the audio power amplifier IC 500.

In this embodiment, the components disposed in the inner cavity of the casing 100 are used for forming a window view of the music box 10, and specifically, the first doll model 350 mounted on the turntable 330 and the second doll model 360 mounted on the rotation shaft 340 together form the window view of the music box 10, and the shapes of the first doll model 350 and the second doll model 360 may be configured according to actual needs, for example, the first doll model 350 and the second doll model 360 may be designed as cartoon images, animal or human images, or may be designed as specific objects, such as images of plants, tables, chairs, and the like. In order to enrich the content of the show window of the music box 10, a pattern may be drawn on the back plate of the casing 100 on the side facing the inner cavity of the casing 100, or a panel or a sticker having a pattern may be attached, and a mounting block in relief may be further disposed on the back plate to simulate the corresponding scenery. In addition, at least one third doll model 370 is fixed to the top of the base 120. Further, the music box 10 further includes a wrap 380, and the wrap 380 is sleeved on the rotating shaft 340 and fixedly connected to the top of the base 120, for example, the wrap 380 is designed to be a house shape, so that the second doll model 360 is externally shown to rotate on the roof. The wrap 380 may also be designed as a tree to obtain a second doll model 360 that rotates on top of the tree. Preferably, in this embodiment, an arc link 390 is fixed to the second doll model 360, and a plurality of dolls are provided on the arc link 390 in the extending direction of the arc link 390.

In an embodiment, the top surface of the housing 100 is a planar structure or an arc-shaped structure, that is, the housing 100 has a flat top or an arc-shaped top, and certainly, according to the specific design requirement, the top of the housing 100 may also be designed to be a wavy surface, a pointed top or other shapes, the housing 100 may be formed by assembling after wood carving or cutting, may also be injection-molded by a plastic material, or cast-molded by a metal material, and may also be made of other common materials with high mechanical strength, which are not described herein again. Base 120 is the frustum column structure that cross-sectional area is crescent from top to bottom, through being the frustum column structure with base 120 design, has increased base 120 and outside and has placed the area of contact between the plane, avoids music box 10 to rock or empty under the outside impact to improve the stability that music box 10 placed.

In this embodiment, at least one driven gear 320 is provided to adjust the transmission ratio between the motor 220 and the turntable 330 or/and between the motor 220 and the rotating shaft 340, so as to reduce the output speed of the motor 220; on the other hand, the cooperation position of carousel 330 and pivot 340 is provided, make carousel 330 and pivot 340 respectively with different gear connection, the motion mutual independence of carousel 330 and pivot 340 two, mutually noninterfere, and then realize that same motor 220 drives the first doll model 350 and the rotation of second doll model 360 of two different positions simultaneously, under the different circumstances of each gear tooth number, through the cooperation between different a plurality of driven gear 320, can make first doll model 350 and second doll model 360 rotate with different rotational speeds, in order to satisfy user's demand. When the gear set comprises a driven gear 320, the rotary disc 330 is connected with the driving gear 310, and the rotary shaft 340 rotates coaxially with the driven gear 320, or the rotary disc 330 is connected with the driven gear 320, and the rotary shaft 340 rotates coaxially with the driving gear 310; when the gear set includes at least two driven gears 320, the dial 330 is connected to the driving gear 310 or one of the driven gears 320, and the shaft 340 rotates coaxially with one of the remaining gears of the gear set. When the gear set includes two or more driven gears 320, rotating shafts 340 of different heights may be coaxially disposed on any two or more driven gears 320, and doll models may be disposed at ends of the rotating shafts 340, so that a plurality of rotating dolls of different heights are formed in the inner cavity of the housing 100.

It should be noted that the driving manner of the rotating disc 330 includes two manners, that is, the rotating disc 330 is coaxially disposed or meshed with the driving gear 310 or the driven gear 320; when the rotation plate 330 is engaged with the driving gear 310 or the driven gear 320, gear teeth are formed on a side surface of a ring of the rotation plate 330, and the rotation plate 330 is engaged with the driving gear 310 or the driven gear 320 through the gear teeth. Preferably, the number of teeth on the side of the ring of the rotating disc 330 is greater than the number of teeth on the driving gear 310 and the driven gear 320, so that the rotating speed of the rotating disc 330 is lower than the rotating speed of the motor 220, and the output of the motor 220 is decelerated.

Referring to fig. 3, when the turntable 330 is engaged with the driving gear 310 or the driven gear 320, the bottom cover 130 having the protruding column 131 at the middle part is fixedly installed on the bottom plate of the base 120, and the bottom cover 130 is fixed on the bottom plate of the base 120 by screws, or fixed on the bottom plate of the base 120 by bonding, or fixed on the bottom plate of the base 120 by snap-fit connection. Set up the mounting groove that extends to carousel 330 top surface by carousel 330 bottom surface on the carousel 330, projection 131 inlays and adorns in the mounting groove and with the internal wall butt of mounting groove, so, when carousel 330 rotated under the drive of driving gear 310 or driven gear 320, projection 131 provided the center of rotation of carousel 330, and the internal wall butt cooperation of mounting groove on the surface of projection 131 and the carousel 330 to avoid carousel 330 to produce and rock, thereby improve the pivoted reliability of second doll model 360.

In one embodiment, the speaker 600 is mounted on the back plate of the base 120, and the back plate of the base 120 is provided with sound outlet holes. Specifically, the sound emitting direction of the speaker 600 corresponds to the body outlet, so that the sound signal generated when the speaker 600 operates can be transmitted to the outside through the sound outlet. Of course, the speaker 600 may also be mounted on a side plate of the base 120, which is determined according to design requirements and will not be described herein. Further, the main surface of the casing 100 is provided with an openable and closable protection door 140 at the edge of the window 110, and the middle of the protection door 140 is hollowed and provided with a transparent glass plate, that is, the music box 10 of the embodiment provides the glass protection door 140, which is used for protecting each component in the inner cavity of the casing 100 on one hand and preventing each component from being damaged by external impact, and on the other hand, the glass protection door 140 also provides a way for a user to view the window scene in the music box 10. In actual design, glass plates can be fixedly mounted on the left side and the right side of the casing 100 respectively, so that a user can observe the window scene of the inner cavity of the casing 100 from a plurality of different angles.

In this embodiment, the LED lamp 400 is mounted on the inner wall of the housing 100 and/or on the top of the base 120, or attached to any surface of the component in the inner cavity of the housing 100. For example, LED lamps 400 may be mounted on a back, top, or side panel of the housing 100, may be mounted on the top of the base 120, and may be disposed on the surfaces of the first doll model 350, the second doll model 360, and the third doll model 370 for forming a window view. The LED lamp 400 of this embodiment may be a plurality of independent lamp beads, or may be a continuous line lamp, which is not described herein again.

The music box 10 of this embodiment includes a control circuit board 210, a lighting circuit, an audio circuit, a switch circuit, and a driving circuit connected to the audio circuit, please refer to fig. 5-9, in which the control circuit board corresponds to a controller U1 of model GPCH8512A-026A in the circuit diagram, which is connected to the audio circuit through DACOL pin, and is connected to the switch circuit through Xmas pin and Year pin, the driving circuit is connected to the audio circuit through AMP EN node and VCC node, the lighting circuit is connected to the control circuit board through a toggle switch, in this embodiment, the lighting circuit includes a triode U2 of model L7805 connected to the control circuit board, the audio power amplifier IC corresponds to a controller U3 of model GPY0030B in the circuit diagram, and the SPEAKER corresponds to aker in the circuit schematic diagram. In the working process of the music box, after the switch is closed, the control circuit board controls the motor to work and drives the gear set to rotate, so that the turntable and the rotating shaft rotate, and the first doll model and the second doll model rotate; after the circuit is electrified, the control circuit board further controls the triode U2 to work, so that the LED lamp is lightened, and the control circuit board further sends an electric signal to the audio power amplifier IC, so that the audio power amplifier IC controls the loudspeaker to play audio.

When the music box 10 of the utility model is implemented, the motor 220, the first gear set and the second gear set are arranged in the control cavity of the base 120, and the motor 220 drives the turntable 330 and the rotating shaft 340 to rotate through the first gear set and the second gear set when in work, so that the first doll model 350 on the turntable 330 and the second doll model 360 on the rotating shaft 340 rotate, thereby realizing the dynamic change of the inner view of the show window of the music box 10 and improving the interest of the music box 10; by arranging the LED lamp 400 in the inner cavity of the casing 100, the LED lamp 400 can provide a lighting effect for the show window interior of the music box 10 when being turned on, so that a user can clearly see the show window interior of the music box 10 in a dark environment, and applicable scenes of the music box 10 are enlarged.

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 spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A music box, comprising:

2. The music box according to claim 1, wherein when the gear set includes a driven gear, the rotary plate is connected to the driving gear and the rotary shaft rotates coaxially with the driven gear, or the rotary plate is connected to the driven gear and the rotary shaft rotates coaxially with the driving gear; when the gear set comprises at least two driven gears, the turntable is connected with the driving gear or one driven gear, and the rotating shaft and one of the rest gears of the gear set rotate coaxially.

3. The music box according to claim 2, wherein the turntable is coaxially disposed or engaged with the driving gear or the driven gear; when the turntable is meshed with the driving gear or the driven gear, gear teeth are arranged on the side face of the ring of the turntable.

4. The music box of claim 3, wherein when the rotary plate is engaged with the driving gear or the driven gear, a bottom cover having a convex pillar at the middle part is fixedly installed on the bottom plate of the base, the rotary plate is provided with an installation groove extending from the bottom surface of the rotary plate to the top surface of the rotary plate, and the convex pillar is embedded in the installation groove and is abutted against the inner wall surface of the installation groove.

5. The music box of claim 4, further comprising a cover, wherein the cover is disposed around the shaft and is fixedly connected to the top of the base.

6. The music box of claim 5, wherein at least one third doll model is further secured to the top of the base.

7. The music box of claim 6, wherein an arc-shaped link is fixed to the second doll model.

8. The music box of claim 7, wherein the speaker is mounted on a back plate of the base, and the back plate of the base is provided with sound outlet holes.

9. The music box of claim 8, wherein the main surface of the casing is provided with a protective door which can be opened and closed at the edge of the window, and the middle part of the protective door is hollowed and provided with a transparent glass plate.

10. The music box according to any of claims 1 to 9, wherein the LED lamp is mounted on the inner wall surface of the casing or/and the top of the base or attached to any component surface in the inner cavity of the casing.