WO2015127631A1

WO2015127631A1 - Hand-cranked music box

Info

Publication number: WO2015127631A1
Application number: PCT/CN2014/072655
Authority: WO
Inventors: 刘骏涛
Original assignee: 刘骏涛
Priority date: 2014-02-28
Filing date: 2014-02-28
Publication date: 2015-09-03

Abstract

A hand-cranked music box comprising a housing, a sound cylinder (4) fixed within the housing and provided with multiple protrusions, a transmission gear (42) fixed at one extremity of the sound cylinder (4), and sound plates (5) fitted with the sound cylinder (4), also comprising a crank handle (3) provided with a drive gear (31), where the drive gear (31) is meshed with the transmission gear (42). Because the hand-cranked music box also comprises the crank handle (3), and the crank handle (3) is provided with the drive gear (31) that is meshed with the transmission gear (42), when the crank handle (3) is being cranked, the drive gear (31) rotates to drive the transmission gear (42) into rotation, the transmission gear (42) is fittingly fixed with the sound cylinder (4), thus the sound cylinder (4) rotates as the transmission gear (42) rotates; the sound plates (5) are fitted with the sound cylinder (4), when the sound cylinder (4) rotates, the protrusions thereon pluck the sound plates (5) to make the sound plates (5) vibrate, thus allowing the sound plates (5) to produce sounds. The hand-cranked music box produces music whenever the crank handle (3) is cranked, satisfies user demand, and is convenient for a user to use.

Description

Hand-cranked music box

[Technical Field]

The present invention relates to the field of music devices, and more particularly to a hand-operated music box.

【Background technique】

The music box is divided into a mechanical music box and an electronic music box. The mechanical music box and the electronic music box are respectively controlled by a mechanical pointer or a switch to emit music. When the set time or the power is insufficient, the mechanical music box and the electronic music box no longer work. , can't make music, so you need to reset the time or re-install the battery. However, this is not convenient for the user; especially when the user wants to listen to music, the music box does not work properly.

[Summary of the Invention]

The technical problem to be solved by the present invention is to provide a music box that is easy to use.

The object of the present invention is achieved by the following technical solutions: a hand-operated music box comprising a housing, a sound tube fixed to the housing with a plurality of bumps, and a transmission fixed at one end of the sound tube The gear and the soundboard that cooperates with the sound tube further include a rocker provided with a drive gear that meshes with the drive gear.

Preferably, the rocker includes a rocker body and a rocker handle integrally connected with the rocker body, and the rocker body portion is fixedly fixed in the casing. This is a specific structure of the rocker. It is convenient to shake the handle by setting the handle.

Preferably, the housing is provided with a slot for limiting the rocker. Set the slot to limit the crank to prevent the crank from being too large during the rotation period.

Preferably, the handle body end portion is provided with a limiting block larger than the slotted portion. The limit block is larger than the slot to prevent the rocker from being pulled out of the interior of the housing.

Preferably, the housing is internally provided with a limiting plate adjacent to the end of the rocker body. The limit plate is further set to limit the rocker to prevent misalignment of the drive gear and the transmission gear. Preferably, the hand-cranked music box further comprises a fixing plate for closing the slot. The rocker is placed in the slot, the slot is used to limit the rocker, and the fixed plate closes the slot to completely limit the circumference of the rocker, so as to ensure that the driving gear on the rocker drives the transmission gear when the rocker is shaken, thereby issuing music.

Preferably, the fixing plate is fixed to the housing by screws. The screws are securely fastened for easy installation and removal. Once the music box has failed, it can be removed for inspection and repair.

Preferably, the central portion of the fixing plate is swelled upward. The middle of the fixing plate is raised upward to avoid the driving gear on the crank, ensuring that the driving gear and the transmission gear mesh normally.

Preferably, the handle of the handle is an L-shaped structure. This is a specific structure for setting the handle of the handle, and the handle of the L-shaped structure allows the user to shake the handle.

Preferably, the limiting block is a cylindrical structure. This is a specific structure of the limit block. Setting the limit block to a cylindrical structure makes the limit block have a good limit effect.

The hand-operated music box further comprises a rocker, and the rocker is provided with a driving gear that meshes with the transmission gear. When the rocker is rocked, the driving gear rotates to drive the transmission gear to rotate, and the transmission gear is fixed with the sound tube, thereby the sound tube Rotating with the rotation of the transmission gear; the soundboard cooperates with the sound tube, when the sound tube rotates, the bump on the sound picks up the soundboard and vibrates the soundboard, so that the soundboard emits a sound; the hand-operated music box Shake the rocker at any time to make music at any time, which can meet the needs of users at any time and is convenient for users.

[Description of the Drawings]

1 is a view showing the overall structure of a hand-operated music box according to an embodiment of the present invention;

Figure 2 is a longitudinal sectional view of a hand-operated music box in accordance with an embodiment of the present invention;

3 is a schematic view showing the sound board, the sound tube and the rocker fixed on the lower case according to an embodiment of the present invention;

4 is a schematic overall view of a rocker according to an embodiment of the present invention.

Among them: 1, face shell; 2, bottom shell; 21, limit plate; 3, rocker; 31, drive gear; 32, limit block; 33, handle handle; 34, handle cover; 4, sound tube; 41, bump; 42, transmission gear; 5, sound board; 6, fixed board. 【detailed description】

The invention will now be further described with reference to the drawings and preferred embodiments.

The present invention discloses a hand-operated music box, as shown in FIG. 1 to FIG. 4, comprising a housing, a sound tube 4 fixed in the housing and having a plurality of bumps 41, and a sound tube 4 fixed at one end of the sound tube 4. The transmission gear 42 and the soundboard 5 engaged with the sound cylinder 4 further include a rocker 3 provided with a drive gear 31 that meshes with the transmission gear 42. In the present invention, the hand-operated music box further includes a rocker 3, and the rocker 3 is provided with a driving gear 31 that meshes with the transmission gear 42. When the rocker 3 is shaken, the driving gear 31 rotates to drive the transmission gear 42 to rotate, and the transmission gear 42 and the transmission gear 42 The sound tube 4 is fixedly fixed, so that the sound tube 4 rotates with the rotation of the transmission gear 42; the sound board 5 cooperates with the sound tube 4, and when the sound tube 4 rotates, the bump 41 thereon picks up the sound board 5 and makes the sound The board 5 vibrates, so that the sound board 5 emits a sound; the hand-cranked music box shakes the rocker 3 at any time to emit music at any time, and can meet the user's needs at any time, and is convenient for the user to use.

As shown in FIG. 1 and FIG. 2, the casing includes a face shell 1 and a bottom case 2 which are fixed by glue bonding. Referring to FIG. 3, the sound tube 4, the sound board 5, the rocker 3, and the like are fixed on the bottom case 2, The face shell 1 encloses the bottom case 2, so that the device of the handle-type music box is closed and fixed. The face shell of the present embodiment is made of a transparent plastic material, thereby facilitating the viewing of the rotating state of the sound tube; of course, other materials can also be used.

As shown in FIG. 1 and FIG. 4, the rocker 3 includes a rocker body and a handle handle 33 integrally connected with the rocker body, and the rocker body portion is fixedly fixed in the bottom case 2, and the bottom case 2 is provided with a slot for the limit rocker 3, so that the rocker 3 is placed in the slot, and the slot is adapted to the size of the rocker 3, thereby preventing the gap of the rocker 3 from being excessive during the rotation. This is a specific structure of the rocker 3, and the handle handle 33 is provided to facilitate the shaking of the handle 3. The rocker 3 further includes a handle sleeve 34 fixed to the handle 33 of the handle, and the handle sleeve is rotatable on the handle 33 to facilitate the rocking of the handle 3 for user convenience.

In the present embodiment, the handle handle 33 has an L-shaped structure, as shown in Fig. 4; the L-shaped structure of the handle shank 33 facilitates the user to shake the handle 3, and of course, the handle can be set to other structures.

As shown in FIG. 3, the bottom case 2 is further provided with a limiting plate 21 at the end where the groove is provided, and the limiting plate 21 is located at the end of the rocker 3, adjacent thereto, thereby limiting the rocker 3, The rocker 3 is prevented from having a large expansion gap, and the transmission gear and the drive gear are prevented from being affected by the large gap. In order to further limit the rocker 3, it is ensured that the transmission gear 31 on the rocker 3 and the transmission gear 42 on the sound cylinder 4 are normally meshed, and the end portion of the rocker body is provided with a limit block 32 larger than the groove, thereby preventing the rocker 3 Pull out from the inside of the bottom case 2. The limiting block 32 is a cylindrical structure, and the limiting block 32 of the cylindrical structure has a better limiting effect.

In this embodiment, the hand-operated music box further includes a fixing plate 6 for closing the slot. As shown in FIG. 2 and FIG. 3, the rocker 3 is placed in the slot, and the slot is limited to the rocker 3. Position, the fixing plate 6 closes the slot to completely limit the circumference of the rocker 3, so as to ensure that the driving gear 31 on the rocker 3 drives the transmission gear 42 when the rocker 3 is shaken, thereby emitting music. The fixing plate 6 is fixed inside the bottom case 2 by screws, and the screws are firmly fixed for easy disassembly and installation.

The central portion of the fixing plate 6 is swelled upward. The central portion of the fixing plate 6 is raised upward to avoid the drive gear 31 on the rocker 3, ensuring that the drive gear 31 and the transmission gear 42 are normally engaged.

The above is a further detailed description of the present invention in connection with the specific preferred embodiments. It is not intended that the specific embodiments of the invention are limited to the description. It will be apparent to those skilled in the art that the present invention may be practiced without departing from the spirit and scope of the invention.

Claims

Rights request

1. A hand-cranked music box, including a casing, a sound barrel fixed in the casing and provided with a plurality of bumps, a transmission gear fixed at one end of the sound barrel, and a soundboard matching the sound barrel. , It is characterized in that it also includes a crank handle provided with a driving gear, and the driving gear meshes with the transmission gear.

2. The hand-operated music box according to claim 1, characterized in that the tremolo includes a tremolo body and a tremolo handle integrally connected with the tremolo body, and the tremolo body is partially limited and fixed. inside the housing.

3. The hand-operated music box as claimed in claim 2, wherein the housing is provided with a slot for limiting the handle.

4. The hand-cranked music box as claimed in claim 3, wherein the end of the crank body is provided with a limit block larger than the slot.

5. The hand-operated music box according to claim 3, characterized in that a limiting plate is provided inside the housing adjacent to the end of the crank body.

6. The hand-cranked music box according to claim 3, wherein the hand-cranked music box further includes a fixed plate closing the slot.

7. The hand-cranked music box according to claim 6, characterized in that the fixing plate is fixed on the casing through screws.

8. The hand-cranked music box according to claim 6, characterized in that the middle part of the fixing plate is bulged upward.

9. The hand-operated music box as claimed in claim 2, characterized in that the rocker handle has an L-shaped structure.

10. The hand-cranked music box as claimed in claim 4, characterized in that the limiting block has a cylindrical structure.