Gramophone rotating device

By designing a ring-shaped magnetic holder and an auxiliary rotating wheel, the problems of stability and ease of maintenance of the phonograph's rotating mechanism were solved, achieving stable record rotation and reducing maintenance costs.

CN223638113UActive Publication Date: 2025-12-05GUANGDONG KAIPING ELECTRONICS CO LTD
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Patent Information

Application Number
CN202520011982.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-03
Publication Date
2025-12-05
Estimated Expiration
2035-01-03

AI Technical Summary

Technical Problem

Traditional phonographs are prone to problems such as unstable rotation speed, uneven record placement, vibration, and noise after prolonged use, which affect sound quality and increase maintenance costs.

Method used

The design employs a ring-shaped magnetic chuck, connecting rod, and locking base. By utilizing the repulsive force between the like poles of the magnetic chuck and the ring-shaped magnetic chuck, friction is reduced. Furthermore, the limiting structure of the auxiliary rotating wheel and the turntable ensures stable rotation of the record.

Benefits of technology

It improves the rotational stability of records, prevents record tilting and damage, simplifies the maintenance process, and reduces manufacturing and maintenance costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a gramophone rotating device, which relates to the technical field of gramophone accessories and comprises a gramophone assembly, the gramophone assembly is composed of a machine body, a disc, a loudspeaker and a tone arm rod, a driving motor is embedded in the top of the machine body, and the disc is arranged above the driving motor; the fixed mounting assembly comprises a rotating table which is arranged below the disc and connected with the driving motor, an annular magnetic attraction frame, a connecting rod and a clamping base are arranged and used for carrying out auxiliary supporting on the bottom of the disc, so that the disc can be suspended at the top of the machine body, and the bottom of the disc is prevented from making contact with the machine body; furthermore, under the action of a rotating table, auxiliary lifting is carried out on the bottoms of an annular magnetic attraction frame, a connecting rod and a clamping base, the record is prevented from inclining in the using process, a quick-release structure is achieved between a fixed mounting assembly machine body and a driving motor through a fixed sleeve, and the practicability is high. And the subsequent maintenance is more convenient.
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Description

TECHNICAL FIELD

[0001] The utility model relates to gramophone accessory technical field especially relates to a gramophone rotating device. BACKGROUND

[0002] As a kind of classic audio playback equipment, gramophone plays music by picking up sound signal on rotating record with stylus;

[0003] Traditional gramophone rotating device is prone to unstable speed, unstable record placement, vibration and noise and other problems after long time use, further affect tone quality and the service life of record, and the structure of part rotating device is relatively complex, manufacturing and maintenance cost is high, not conducive to wide application and promotion;

[0004] Therefore, the utility model provides a gramophone rotating device. INVENTION CONTENTS

[0005] The utility model aims at solving the shortcomings in prior art, and provides a gramophone rotating device.

[0006] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme: a gramophone rotating device, comprising:

[0007] Gramophone assembly, the gramophone assembly is composed of body, record, loudspeaker and tone arm rod, the top of the body is embedded with driving motor, the record is arranged above driving motor;

[0008] Fixed mounting assembly, the fixed mounting assembly includes rotating table arranged below record and connected with driving motor, auxiliary pulley is rotatably connected to the outside of rotating table on the body, magnetic attraction piece is embedded and installed on auxiliary pulley, fixed sleeve is arranged above rotating table and connected with driving motor, clamping joint is arranged on the top of fixed sleeve, the bottom of clamping joint is penetrated through fixed sleeve and then is screw-connected with driving motor, clamping seat is clamped on fixed sleeve, annular magnetic attraction frame is arranged on the outside of clamping seat, connecting rod is arranged between annular magnetic attraction frame and clamping seat.

[0009] Further, six connecting rods are arranged, and the included angle between adjacent two connecting rods is equal.

[0010] The beneficial effects of the above further scheme are: under the action of connecting rod, annular magnetic attraction frame and clamping seat are connected and fixed, so that annular magnetic attraction frame is driven to rotate during the rotation of clamping seat.

[0011] Further, the auxiliary rotating wheels are annularly distributed, and the included angles between adjacent two auxiliary rotating wheels are equal.

[0012] The beneficial effect of the further scheme is that under the action of the auxiliary rotating wheels, when the clamping seat rotates, the auxiliary rotating wheels rotate, and the magnetic attraction piece and the annular magnetic attraction frame repel each other, thereby reducing the friction between the annular magnetic attraction frame and the top of the machine body, and assisting in supporting the bottom of the clamping seat, so that the record player components do not tilt during use, and the playing effect is poor.

[0013] Further, the diameter of the magnetic attraction piece is matched with the width of the annular magnetic attraction frame, and the auxiliary rotating wheels and the annular magnetic attraction frame repel each other.

[0014] The beneficial effect of the further scheme is that the magnetic attraction piece and the annular magnetic attraction frame repel each other, thereby reducing the friction between the annular magnetic attraction frame and the machine body, and avoiding the annular magnetic attraction frame from being stuck with the top of the machine body when rotating.

[0015] Further, the output end of the machine body is in communication with the input end of the loudspeaker.

[0016] The beneficial effect of the further scheme is that under the action of the loudspeaker, the electrical signal generated by the output end of the machine body is amplified, balanced, and the like, the signal is converted into sound waves, and the sound is played.

[0017] Further, the record arm lever is rotatably connected to the machine body, and the machine body is in contact with the surface of the record.

[0018] The beneficial effect of the further scheme is that under the action of the record arm lever, the vibration information of the audio track can be accurately picked up when the record rotates.

[0019] Further, the auxiliary rotating wheels are annularly distributed, and the included angles between adjacent two auxiliary rotating wheels are equal.

[0020] The beneficial effect of the further scheme is that the recessed groove is provided on the auxiliary rotating wheel, and the rotating table is limited, so that the rotating table does not tilt and is damaged during use.

[0021] Compared with the prior art, the advantages and positive effects of the utility model are that:

[0022] 1. In the utility model, through the setting of annular magnetic attraction support, connecting rod and clamping seat, the bottom of the record is assisted and supported, so that the record can be suspended on the top of the body, avoiding the contact between the bottom of the record and the body, which causes damage to the record after long-term rotation, further, under the action of the rotating table, the bottom of the annular magnetic attraction support, connecting rod and clamping seat are assisted and lifted, avoiding the inclination of the record in the process of use, and the quick release structure between the fixed sleeve and the driving motor of the fixed installation assembly body can make the subsequent maintenance more convenient.

[0023] 2. In the utility model, further, under the action of the auxiliary runner, the rotating table is assisted and limited, avoiding the inclination displacement of the rotating table in the process of rotation, and under the action of the magnetic attraction piece, the annular magnetic attraction support is repelled, the bottom of the annular magnetic attraction support provides auxiliary supporting force, avoiding the inclination of the annular magnetic attraction support in rotation, thereby improving the stability of the record in rotation. DRAWINGS

[0024] Figure 1 It is a front view of the gramophone rotating device of the utility model;

[0025] Figure 2 It is a split view of the gramophone rotating device of the utility model;

[0026] Figure 3 It is a structure diagram of the gramophone assembly in the gramophone rotating device of the utility model;

[0027] Figure 4 It is a split view of the fixed installation assembly in the gramophone rotating device of the utility model.

[0028] DRAWINGS

[0029] 1. Gramophone assembly; 11, body; 12, record; 13, loudspeaker; 14, tone arm rod; 15, driving motor;

[0030] 2. Fixed installation assembly; 21, rotating table; 22, auxiliary runner; 221, magnetic attraction piece; 23, annular magnetic attraction support; 231, connecting rod; 24, clamping seat; 25, fixed sleeve; 251, clamping head. DETAILED DESCRIPTION

[0031] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0032] As Figures 1-4 The utility model provides a technical scheme: a gramophone rotating device, comprising:

[0033] The gramophone assembly 1 is composed of a body 11, a record 12, a loudspeaker 13 and a tone arm rod 14, the top of the body 11 is embedded with a driving motor 15, and the record 12 is arranged above the driving motor 15.

[0034] The fixed mounting assembly 2 comprises a rotating table 21 connected with the driving motor 15 below the record 12, an auxiliary rotating wheel 22 rotatably connected to the outside of the rotating table 21 on the body 11, a magnetic suction piece 221 embedded and mounted on the auxiliary rotating wheel 22, a fixed sleeve 25 connected with the driving motor 15 arranged above the rotating table 21, a clamping joint 251 arranged at the top of the fixed sleeve 25, the bottom of the clamping joint 251 penetrating through the fixed sleeve 25 and being threadedly connected with the driving motor 15, a clamping seat 24 clamped on the fixed sleeve 25, an annular magnetic suction bracket 23 arranged on the outside of the clamping seat 24, a connecting rod 231 arranged between the annular magnetic suction bracket 23 and the clamping seat 24, six connecting rods 231 arranged in a ring shape, the included angle between any two adjacent connecting rods 231 being equal, the output end of the body 11 being in communication with the input end of the loudspeaker 13, the tone arm rod 14 being rotatably connected to the body 11, and the surface of the body 11 being in contact with the record 12, so that the bottom of the record 12 is assisted and supported, the record 12 can be suspended on the top of the body 11, the bottom of the record 12 is prevented from contacting the body 11, the record 12 is prevented from being damaged after long-term rotation, the bottom of the annular magnetic suction bracket 23, the connecting rod 231 and the clamping seat 24 are assisted and lifted under the action of the rotating table 21, the record 12 is prevented from tilting during use, and the body 11 of the fixed mounting assembly 2 realizes quick-release structure between the fixed sleeve 25 and the driving motor 15, so that subsequent maintenance is more convenient.

[0035] Further, as Figures 2-4 The auxiliary rotating wheel 22 is arranged in a ring shape, the included angle between any two adjacent auxiliary rotating wheels 22 is equal, the diameter of the magnetic suction piece 221 is matched with the width of the annular magnetic suction bracket 23, the auxiliary rotating wheel 22 and the annular magnetic suction bracket 23 repel each other, the rotating table 21 is assisted and limited under the action of the auxiliary rotating wheel 22, the rotating table 21 is prevented from tilting and moving during rotation, the annular magnetic suction bracket 23 is repelled by the magnetic suction piece 221, the bottom of the annular magnetic suction bracket 23 provides auxiliary support force, the annular magnetic suction bracket 23 is prevented from tilting during rotation, and the stability of the record 12 during rotation is improved.

[0036] The above solution also has the problem that the rotary table 21 tilts during rotation, such as... Figure 4 As shown: In this solution, the auxiliary rotating wheel 22 is provided with a concave groove. The auxiliary rotating wheel 22 is rotatably connected to the rotating platform 21 through the concave groove. Under the action of the concave groove on the auxiliary rotating wheel 22, the rotating platform 21 is limited to prevent the rotating platform 21 from wobbling and tilting during use, which would damage the record 12.

[0037] Working principle:

[0038] like Figures 1-4 As shown, first, the phonograph assembly 1 is placed in the designated position. Then, the turntable 21 is snapped onto the output shaft of the drive motor 15, and the turntable 21 is fixed by connecting the snap-fit ​​connector 251 on the rotating fixing sleeve 25 to the top thread of the drive motor 15. After fixing, the snap-fit ​​seat 24 is snapped onto the snap-fit ​​connector 251. After snapping, the record 12 is fixed above the snap-fit ​​seat 24. At this time, the drive motor 15 is turned on to drive the record 12 to rotate. Under the action of the record 12, it contacts the sound track on the record 12, and under the action of the amplifier 13, the electrical signal is converted into sound waves and emitted.

[0039] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution of the present utility model shall still fall within the protection scope of the technical solution of the present utility model.

Claims

1. A phonograph turntable, characterized by comprising: Include: A gramophone assembly (1) is composed of a body (11), a record (12), a loudspeaker (13) and a tone arm lever (14), the top of the body (11) is embedded with a driving motor (15), the record (12) is arranged above the driving motor (15); The fixed mounting assembly (2) includes a rotating table (21) connected with the driving motor (15) below the record (12), the body (11) is rotatably connected with an auxiliary pulley (22) outside the rotating table (21), the auxiliary pulley (22) is embedded with a magnetic sheet (221), a fixed sleeve (25) connected with the driving motor (15) is arranged above the rotating table (21), a clamping joint (251) is arranged on the top of the fixed sleeve (25), the bottom of the clamping joint (251) is threadedly connected with the driving motor (15) after penetrating through the fixed sleeve (25), a clamping seat (24) is clamped on the fixed sleeve (25), an annular magnetic bracket (23) is arranged outside the clamping seat (24), and a connecting rod (231) is arranged between the annular magnetic bracket (23) and the clamping seat (24).

2. A turntable assembly for a phonograph according to claim 1, wherein: The connecting rod (231) is arranged in a ring shape, and the included angle between adjacent two connecting rods (231) is equal.

3. A turntable assembly for a phonograph according to claim 1 wherein: The auxiliary pulley (22) is arranged in a ring shape, and the included angle between adjacent two auxiliary pulleys (22) is equal.

4. A turntable assembly for a phonograph according to claim 1 wherein: The diameter of the magnetic sheet (221) is matched with the width of the annular magnetic bracket (23), and the auxiliary pulley (22) and the annular magnetic bracket (23) repel each other.

5. A turntable assembly for a phonograph according to claim 1 wherein: The output end of the body (11) is in communication with the input end of the loudspeaker (13).

6. A turntable assembly for a phonograph according to claim 1 wherein: The tone arm lever (14) is rotatably connected to the body (11), and the body (11) is in contact with the surface of the record (12).

7. A turntable assembly for a phonograph according to claim 1 wherein: The auxiliary pulley (22) is rotatably connected with the rotating table (21) through the concave groove.