CN210956144U

CN210956144U - Mini gramophone

Info

Publication number: CN210956144U
Application number: CN201922033491.0U
Authority: CN
Inventors: 刁锡忠
Original assignee: Guangdong Leetac Electronics Technology Co ltd
Current assignee: Guangdong Leetac Electronics Technology Co ltd
Priority date: 2019-11-21
Filing date: 2019-11-21
Publication date: 2020-07-07
Anticipated expiration: 2029-11-21

Abstract

The utility model discloses a mini gramophone, which comprises a hollow shell, wherein the shell is provided with a turntable for placing a record and a voice arm component for contacting with or separating from the turntable, the shell is internally provided with a driving device, a circuit board and a loudspeaker for driving the turntable, the circuit board is electrically connected with the voice arm component, the driving device and the loudspeaker, the shell is also internally provided with a groove for placing the loudspeaker, and the shell is provided with a loudspeaker hole corresponding to the loudspeaker; therefore, the portable vibration damper has the characteristics of small volume, compact structure, good damping effect, good sound quality and convenience in carrying.

Description

Mini gramophone

[ technical field ] A method for producing a semiconductor device

The utility model relates to a gramophone especially relates to a mini gramophone.

[ background of the invention ]

Phonograph recorders are primitive sound reproducing devices that store sound in an acoustically curved groove cut into the plane of a disc, on which the disc is placed, rotating under a stylus. The CD player is actually a CD player commonly said in daily life, and is also called as a laser player or a laser player by someone, and is an intelligent high-fidelity stereo audio device controlled by a microcomputer, adopts advanced laser technology, digital technology, computer technology and various novel components, and has the advantages of high-density recording, long playing time of 60-75 minutes, simple and convenient operation, rapid song selection and the like.

However, the existing gramophone has the problems of overlarge volume, inconvenience in carrying and poor damping effect, thereby causing poor practicability and inconvenience in use.

Therefore, the utility model discloses to above-mentioned prior art not enough, make further improvement to current gramophone problem.

[ summary of the invention ]

The utility model aims at the not enough of prior art, provide a mini gramophone, have small, the shock attenuation is effectual, tone quality is good and convenient to carry's characteristics.

In order to solve the technical problem, the utility model discloses a technical scheme does:

the utility model provides a mini gramophone, includes hollow casing 1, be equipped with the sound arm subassembly 3 that is used for placing the carousel 2 of record and is used for contacting or separating with carousel 2 on the casing 1, be equipped with drive arrangement 4, circuit board 5 and the speaker 6 that are used for driving carousel 2 in the casing 1, circuit board 5 all is connected with sound arm subassembly 3, drive arrangement 4 and speaker 6 electricity, still be equipped with the recess 61 that is used for placing speaker 6 in the casing 1, be equipped with the speaker hole 62 of corresponding speaker 6 on the casing 1.

The mini phonograph is characterized in that a connecting rod 21 is arranged between the shell 1 and the turntable 2, one end of the connecting rod 21 is fixedly connected with the shell 1, the other end of the connecting rod 21 is rotatably connected with the middle hole of the turntable 2, and a connecting rod bearing 22 is arranged between the connecting rod 21 and the middle hole of the turntable 2.

The mini phonograph is characterized in that the turntable 2 is provided with a record protection pad 23.

The mini-phonograph as described above is characterized in that the driving device 4 is a motor, and a driving device protection pad 41 for shock absorption is provided between the housing 1 and the driving device 4.

The mini phonograph is characterized in that a loudspeaker protection pad 63 is arranged between the shell 1 and the loudspeaker 6.

The mini phonograph as described above is characterized in that the tone arm assembly 3 comprises a tone needle 31, a tone arm connecting rod 32 and a tone arm rotating shaft 33, the tone needle 31 is connected with the tone arm rotating shaft 33 through the tone arm connecting rod 32, and one end of the tone arm rotating shaft 33 penetrates through the casing 1 and is rotatably connected with the casing 1.

The mini gramophone is characterized in that the shell 1 is provided with a through hole 11 for the sound arm rotating shaft 33 to penetrate through; a sound arm bearing 331 is arranged between the sound arm rotating shaft 33 and the through hole 11.

The mini gramophone is characterized in that the voice arm bearing sleeve 332 is arranged between the voice arm bearing 331 and the through hole 11.

The mini gramophone is characterized in that the shell 1 is connected with an upper cover 7 for covering the turntable 2 and the tone arm assembly 3.

The mini gramophone is characterized in that the shell 1 is adjustably provided with supporting legs 8 for supporting the shell 1.

Compared with the prior art, the utility model relates to a mini gramophone has following advantage:

1. this including hollow casing, be equipped with the carousel that is used for placing the record on the casing and be used for contacting or the sound arm subassembly of separation with the carousel, be equipped with drive arrangement, circuit board and the speaker that is used for driving the carousel in the casing, the circuit board all is connected with sound arm subassembly, drive arrangement and speaker electricity, still be equipped with the recess that is used for placing the speaker in the casing, be equipped with the speaker hole of corresponding speaker on the casing, for this reason, have small, compact structure and convenient to carry's characteristics.

2. In order to make the turntable rotate smoothly, a connecting rod bearing is arranged between the connecting rod and the middle hole of the turntable.

3. In order to prevent the record from being damaged by direct contact with the turntable and to prolong the service life of the record, the turntable is provided with a record protection pad.

4. In order to make the driving device stably rotate and improve the stability of the gramophone, a driving device protection pad for damping is arranged between the shell and the driving device.

5. When the loudspeaker works, in order to prevent the loudspeaker from vibrating to influence the tone quality effect of the gramophone and prevent the loudspeaker from being damaged by the direct contact of the shell and the loudspeaker, and further prolong the service life of the loudspeaker, a loudspeaker protection pad is arranged between the shell and the loudspeaker.

6. In order to facilitate the user to adjust the level of the gramophone, the shell is adjustably provided with supporting legs for supporting the shell.

[ description of the drawings ]

The following detailed description of embodiments of the present invention is provided with reference to the accompanying drawings, in which:

fig. 1 is a front view of the present invention.

Fig. 2 is a schematic view of the present invention a-A, B-B.

Fig. 3 is a cross-sectional view taken along a-a in fig. 2.

Fig. 4 is a cross-sectional view taken along line B-B of fig. 2.

Fig. 5 is an exploded view of the present invention.

[ detailed description ] embodiments

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

As shown in fig. 1-5, the utility model relates to a mini gramophone, including hollow casing 1, be equipped with the carousel 2 that is used for placing the record on casing 1 and be used for the tone arm subassembly 3 with carousel 2 contact or separation, be equipped with drive arrangement 4, circuit board 5 and speaker 6 that are used for driving carousel 2 in casing 1, circuit board 5 all is connected with tone arm subassembly 3, drive arrangement 4 and speaker 6 electricity, still be equipped with the recess 61 that is used for placing speaker 6 in casing 1, be equipped with the speaker hole 62 of corresponding speaker 6 on casing 1. Therefore, the portable multifunctional electric water heater has the characteristics of small volume, compact structure and convenience in carrying.

When the rotary table rotating device works, in order to enable the rotary table to stably rotate and smoothly rotate, a connecting rod 21 is arranged between the shell 1 and the rotary table 2, one end of the connecting rod 21 is fixedly connected with the shell 1, the other end of the connecting rod 21 is rotatably connected with a middle hole of the rotary table 2, and a connecting rod bearing 22 is arranged between the connecting rod 21 and the middle hole of the rotary table 2.

In order to prevent the record from being damaged by direct contact with the turntable, to extend the life cycle of the record, and to ensure that the record can be stably placed on the turntable, a record protection pad 23 is provided on the turntable 2.

Further, the record protection pad 23 is made of a soft material.

In order to make the driving device work stably and make the phonograph have better sound quality, the driving device 4 is a motor, and a driving device protection pad 41 for damping is arranged between the shell 1 and the driving device 4.

Wherein the output shaft of the driving device 4 is connected with the turntable 2 through a rubber belt.

In operation, in order to prevent the loudspeaker vibration from affecting the tone quality effect of the gramophone, and simultaneously prevent the shell from directly contacting with the loudspeaker to damage the loudspeaker, thereby prolonging the service life of the loudspeaker, a loudspeaker protection pad 63 is arranged between the shell 1 and the loudspeaker 6, therefore, the loudspeaker has the characteristic of good tone quality.

Further, the tone arm assembly 3 comprises a tone needle head 31, a tone arm connecting rod 32 and a tone arm rotating shaft 33, wherein the tone needle head 31 is used for contacting with or separating from the turntable 2, the tone arm connecting rod 32 is connected with the tone arm rotating shaft 33, and one end of the tone arm rotating shaft 33 penetrates through the shell 1 and is rotatably connected with the shell 1.

Further, in order to enable the tone arm connecting rod 32 to be in a better level and prevent the tone arm connecting rod 32 from inclining to the side connected with the gramophone 31 so as to ensure the gramophone and the gramophone of the turntable to be in good contact, the tone arm connecting rod 32 is connected with the tone arm rotating shaft 33 through the connecting rod seat 321, the tone arm connecting rod 32 radially penetrates through the connecting rod seat 321, one end of the tone arm connecting rod 32 is connected with the gramophone 31, and the other end of the tone arm connecting rod 32 is connected with the balancing weight 322.

In order to facilitate assembly and provide a plurality of connection modes to meet different requirements of users, the voice arm rotating shaft 33 and the connecting rod seat 321 are sleeved, clamped or inserted.

In order to facilitate the smooth rotation of the voice arm component, a through hole 11 for the voice arm rotating shaft 33 to penetrate through is arranged on the shell 1; a sound arm bearing 331 is arranged between the sound arm rotating shaft 33 and the through hole 11.

In operation, in order to prevent instability of the tone arm assembly contacting the turntable platter caused by vibration of the phonograph and to ensure good contact between the gramophone and the turntable platter, a tone arm bearing sleeve 332 is disposed between the tone arm bearing 331 and the through hole 11.

In order to improve the overall aesthetic degree and prevent the turntable 2 and the sound arm assembly 3 from being mistakenly bumped and damaged when the loudspeaker is not used, so that the loudspeaker is convenient to carry and safe, the shell 1 is connected with an upper cover 7 for covering the turntable 2 and the sound arm assembly 3.

In order to provide a plurality of connection modes and meet the requirements of different scenes, the shell 1 and the upper cover 2 are connected through hinging or buckling or threads.

In order to facilitate the user to adjust the level of the end face of the gramophone, the shell 1 is adjustably provided with supporting legs 8 for supporting the shell 1.

In order to further improve the damping effect, the supporting feet 8 are made of a soft material or a sponge material.

Alternatively, the supporting feet 8 are connected with a supporting foot pad made of soft material or sponge material, which is not shown in the figure.

Furthermore, in order to facilitate the user to use and adjust and control the sound volume according to the requirement, the housing 1 is provided with a switch not shown in the figure for controlling the operation of the gramophone, and an adjusting knob 12 for adjusting the sound volume.

Claims

1. The utility model provides a mini gramophone, its characterized in that includes hollow casing (1), be equipped with on casing (1) and be used for placing carousel (2) of record and be used for audio amplifier subassembly (3) with carousel (2) contact or separation, be equipped with drive arrangement (4), circuit board (5) and speaker (6) that are used for driving carousel (2) in casing (1), circuit board (5) all are connected with audio amplifier subassembly (3), drive arrangement (4) and speaker (6) electricity, still be equipped with recess (61) that are used for placing speaker (6) in casing (1), be equipped with speaker hole (62) of corresponding speaker (6) on casing (1).

2. The mini phonograph according to claim 1, characterized in that a connecting rod (21) is arranged between the shell (1) and the turntable (2), one end of the connecting rod (21) is fixedly connected with the shell (1), the other end of the connecting rod (21) is rotatably connected with the middle hole of the turntable (2), and a connecting rod bearing (22) is arranged between the connecting rod (21) and the middle hole of the turntable (2).

3. Mini phonograph according to claim 1, characterized in that the turntable (2) is provided with a record protection pad (23).

4. Mini gramophone according to claim 1, characterized in that the drive means (4) is a motor, and a drive means protection pad (41) for damping is provided between the housing (1) and the drive means (4).

5. Mini gramophone according to claim 1, characterized in that a speaker protection pad (63) is provided between the housing (1) and the speaker (6).

6. The mini phonograph according to any of claims 1-5, characterized in that the tone arm assembly (3) comprises a tone needle (31) for contacting with or separating from the turntable (2), a tone arm connecting rod (32) and a tone arm rotating shaft (33), the tone needle (31) is connected with the tone arm rotating shaft (33) through the tone arm connecting rod (32), and one end of the tone arm rotating shaft (33) penetrates through the housing (1) to be rotatably connected with the housing (1).

7. The mini gramophone as claimed in claim 6, characterized in that the housing (1) is provided with a through hole (11) for the sound arm shaft (33) to pass through; and a sound arm bearing (331) is arranged between the sound arm rotating shaft (33) and the through hole (11).

8. Mini gramophone according to claim 7, characterized in that a boom bearing housing (332) is provided between the boom bearing (331) and the through hole (11).

9. Mini gramophone according to claim 7, characterized in that the housing (1) is connected with an upper cover (7) for covering the turntable (2) and the tone arm assembly (3).

10. Mini gramophone according to claim 7, characterized in that the housing (1) is adjustably provided with support feet (8) for supporting the housing (1).