Shock absorption structure of vinyl record player

Abstract

The utility model discloses a damping structure of a vinyl disc player, which comprises a singing seat, a disc, a head, a singing arm and an arm seat, a disc rotator and a belt type driver are arranged in the singing seat, and a connecting plate for connecting the belt type driver, the disc rotator and the singing arm is further arranged in the singing seat. According to the utility model, the belt-type driver, the disc rotator and the singing arm are connected through the arrangement of the connecting plate, the elastic damping parts can uniformly perform damping on the belt-type driver, the disc rotator and the singing arm, and the belt-type driver and the disc rotator are both arranged in the singing seat, so that the belt-type driver, the disc rotator and the singing arm are connected through the elastic damping parts. Vibration brought by working of the singing seat can be directly transmitted to the elastic damping part for damping, so that the damping effect is better than that of a traditional structure, the elastic damping part is mainly fixed to the top wall in the singing seat, more space can be reserved for arranging a circuit board and various functional parts, and interference is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to audio frequency playing equipment field, especially a kind of shock absorption structure of gramophone. BACKGROUND

[0002] Gramophone is the machine for parsing black vinyl record, when using, by loading black vinyl record on machine, the engraved lines of black vinyl record are parsed by machine stylus to realize sounding.

[0003] Gramophone has great demand for internal shock absorption, because it will affect the accuracy between stylus and record, therefore, many existing gramophones are equipped with elastic parts at the bottom of machine body to shock absorption of entire machine body, which is not detailed enough, or a large number of elastic parts are arranged on the inner bottom wall of machine body, which will occupy a large area in the machine body and easily interfere with other components. And the drive and turntable of the existing gramophone are generally arranged on the surface of the machine body, which is limited by the fixed layout of the surface of the machine body, many components of the drive and turntable are directly fixed to the surface of the machine body, which will result in very poor shock absorption effect, and it is necessary to improve. SUMMARY

[0004] In view of the defects of the prior art, the technical problem to be solved by the utility model is to provide a gramophone capable of achieving uniform and detailed shock absorption effect of turntable, turntable drive and arm base by reasonable internal occupation of machine body. The shock absorption effect can directly act on the turntable and turntable drive without being limited by the fixed layout of the surface of the machine body.

[0005] In order to achieve the above purpose, the utility model provides the following scheme:

[0006] A shock absorption structure of gramophone, comprising a turntable, a stylus, an arm, an arm base, a turntable drive and a belt drive arranged in the inside of the turntable, a connecting plate connected with the belt drive, the turntable drive and the arm arranged in the inside of the turntable, and a plurality of elastic shock absorption components connected to the turntable on the connecting plate.

[0007] Further, the turntable drive in the utility model comprises a cavity arranged at the bottom of the turntable, a boss arranged at the center of the cavity, a rotating core arranged below the center of the cavity, a rotating core arranged in the rotating core, and a rotating core fixedly inserted into the bottom of the turntable and pierced to the center of the upper side of the turntable, a rotating core stabilizing seat arranged below the rotating core on the connecting plate, and the rotating core is inserted into the rotating core stabilizing seat for fixed-point rotation.

[0008] Further, the belt type driver in the utility model includes the motor which is arranged at one side of the inside of the turntable and the rotor is exposed from the surface of the turntable, the rotor of the motor is arranged in the cavity of the turntable, the pulley is arranged on the rotor of the motor, and the pulley and the boss are sleeved with the belt.

[0009] Further, the motor and the rotating core are fixedly connected through the extension seat.

[0010] Further, the connecting plate, the arm seat bottom and the extension seat bottom are fixedly connected.

[0011] Further, the elastic damping component includes the perforation arranged on the connecting plate, the bottom edge sleeve is arranged at the lower periphery of the perforation, the spring middle rod is arranged in the perforation, the top of the spring middle rod is fixedly connected with the top wall of the inside of the turntable through the bolt, the spring top plate is arranged at the bottom of the spring middle rod, and the damping spring is arranged between the upper wall of the spring top plate and the bottom wall of the bottom edge sleeve and outside the spring middle rod.

[0012] In summary, the utility model has the advantages that:

[0013] The utility model discloses a connecting plate is arranged to connect the belt type driver, the turntable rotator and the tone arm, so that the elastic damping component can uniformly damp, and the belt type driver and the turntable rotator are arranged in the inside of the turntable, so that the vibration brought during operation can be directly transmitted to the elastic damping component for damping, the connecting plate and the turntable are separated by the elastic damping component, the connecting plate is connected with the connecting plate, so that the vibration of the turntable box body cannot be transmitted to the rotating core, and the damping effect of the turntable is better than the traditional structure, and the elastic damping component is mainly fixed to the top wall in the inside of the turntable, so that more space can be reserved for arranging the circuit board and various functional components, and the interference is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the three-dimensional schematic view of the utility model;

[0015] Figure 2 It is the three-dimensional exploded schematic view of the utility model;

[0016] Figure 3 It is the inside structure schematic view of the turntable of the utility model;

[0017] Figure 4 It is the inside structure plane schematic view of the turntable of the utility model;

[0018] Figure 5 It is the three-dimensional schematic view of the connecting plate of the utility model;

[0019] Figure 6The utility model discloses a three-dimensional schematic diagram of elastic damping component.

[0020] Figure 7 The utility model discloses a three-dimensional bottom schematic diagram of turntable. Specific implementation

[0021] The utility model will be further described below in conjunction with the description and specific implementation of the accompanying drawings:

[0022] As Figures 1 to 7 The utility model discloses a record player damping structure, including the record seat 1, the turntable 11, the tonearm 12, the armrest 14, be provided with the turntable runner 2 and the belt drive 3 in the record seat 1 inside, still be provided with the connecting plate 4 of connecting the belt drive 3, the turntable runner 2 and the tonearm 13 in the record seat 1 inside, be equipped with a plurality of elastic damping component 5 and be connected to the record seat 1 on the connecting plate 4.The turntable runner is used for the fixed point rotation of turntable, and the belt drive is used for driving the turntable runner to let the turntable rotate.The connection of connecting plate, belt drive, turntable runner and tonearm can make three all can be through the connection between the elastic damping component on the connecting plate and the record seat and realize damping, and the elastic damping component is provided with multiple and is distributed on the connecting plate respectively, so that the belt drive, the turntable runner and the tonearm can all obtain the damping effect of elastic damping component.

[0023] The utility model discloses the turntable runner 2 including the cavity 21 of setting in the bottom of turntable 11, be provided with the boss 22 in the cavity 21 center, be provided with the rotation core 23 below the center of the cavity 21, be provided with the rotation core 24 of fixed point rotation in the rotation core 23 inside, the rotation core 24 fixed plug -in is located in the bottom of turntable 11 and puncture to the center of the upper side of turntable 11, be provided with the rotation core stabilizing seat 25 on the connecting plate 4 and be located below the rotation core 24, the rotation core 24 is inserted in the rotation core stabilizing seat 25 and carries out fixed point rotation.The boss of cavity center is in the shape of circular truncated cone, and the rotation core is fixed with the turntable, and the rotation core is inserted in the rotation core and carries out fixed point rotation, and the lower end of the rotation core is connected in the rotation core stabilizing seat through the rotation core, and the rotation core stabilizing seat is used to make the rotation core more stable when rotating, and the vibration that is conducted to the rotation core through the turntable will be distributed on the connecting plate through the rotation core stabilizing seat in addition to distributing on the rotation core, and better damping effect is realized.The rotation that distributes on the rotation core can be transmitted through the extension seat and thus be damped.Because the elastic damping component separates the connecting plate and the record seat, and the rotation core stabilizing seat is connected with the connecting plate, so the vibration of the record seat box body cannot be transmitted to the rotation core, and thus the damping effect can be achieved.

[0024] The utility model discloses a belt drive 3 includes setting up in the inside one side of the record seat 1 motor 31 and rotor exposes from the surface of record seat 1, the rotor of motor 31 is in the cavity 21 inside of record disc 11, is equipped with pulley 32 on the rotor of motor 31, pulley 32 and boss 22 outside set up belt 33. When motor starts, rotor drives pulley to rotate, rotates boss through belt, thereby lets record disc can rotate, and the pulley is hidden in the cavity inside and makes it invisible, keeps beautiful while avoiding the damage caused by external factors.

[0025] The utility model discloses a motor 31 and rotation core 23 between setting up extension seat 6 fixed connection. Extension seat is used for supporting motor and rotation core and fixed connection, and rotation core is only equipped with the top of connecting plate and is not fixed connection, but is fixed through extension seat, and the vibration of rotation core and rotation core is shared, realizes more effective shockproof. And extension seat is fixed connection in connecting plate, and the elastic shock attenuation component on connecting plate can shock attenuation the vibration produced by extension seat.

[0026] The utility model discloses a connecting plate 4 with arm seat 14 bottom, extension seat 6 bottom fixed connection. Because extension seat is connected with rotation core and motor, can carry out shock attenuation.

[0027] The utility model discloses a elastic shock attenuation component 5 includes being equipped with the perforation 51 on connecting plate 4, is equipped with the bottom edge sleeve kit 52 on the lower side periphery of perforation 51, is equipped with spring middle pole 53 in the inside of perforation 51, spring middle pole 53 top is fixedly connected with the inside top wall of record seat 1 through bolt, is equipped with spring top plate 54 on spring middle pole 53 bottom, is equipped with shock attenuation spring 55 between spring top plate 54 upper wall and bottom edge sleeve kit 52 bottom wall and is located spring middle pole 53 outside. Spring middle pole is fixed with the inside top wall of record seat, and is equipped with spring between spring top plate and bottom edge sleeve kit, makes the connection of connecting plate and record seat realize through spring, therefore the connecting plate is in the state of not fixed, and the shock attenuation effect is good.

[0028] The utility model discloses a basic principle and main characteristics and the advantage of the utility model have been shown and described, and the technical personnel of this industry should understand that the utility model is not limited by the above-mentioned embodiment, and the above-mentioned embodiment and the description in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A shock absorbing structure for a turntable, comprising a turntable base (1), a platter (11), a stylus (12), an arm (13), and an arm base (14), characterized in that: The record player (1) is internally provided with a turntable (2) and a belt drive (3), and is also internally provided with a connecting plate (4) connecting the belt drive (3), the turntable (2) and a tone arm (13), and a plurality of elastic damping components (5) are arranged on the connecting plate (4) and connected to the record player (1).

2. A shock absorbing structure for a turntable as defined in claim 1, wherein: The turntable (2) comprises a cavity (21) arranged at the bottom of a turntable (11), a boss (22) arranged at the center of the cavity (21), a rotating core (23) arranged at the center below the cavity (21), a rotating core (24) arranged inside the rotating core (23) and capable of rotating at a fixed point, the rotating core (24) is fixedly inserted into the bottom of the turntable (11) and penetrates to the center of the upper side of the turntable (11), a rotating core stabilizing seat (25) is arranged on the connecting plate (4) and below the rotating core (24), and the rotating core (24) is inserted into the rotating core stabilizing seat (25) to rotate at a fixed point.

3. A shock absorbing structure for a turntable as defined in claim 2, wherein: The belt drive (3) comprises a motor (31) arranged on one side inside the record player (1) and having a rotor exposed from the surface of the record player (1), the rotor of the motor (31) is arranged inside the cavity (21) of the turntable (11), a belt pulley (32) is arranged on the rotor of the motor (31), and the belt pulley (32) and the boss (22) are externally sleeved with a belt (33).

4. A shock absorbing structure for a turntable as defined in claim 3, wherein: An extension seat (6) is arranged between the motor (31) and the rotating core (23) and fixedly connected.

5. A shock absorbing structure for a turntable as defined in claim 4, wherein: The connecting plate (4) is fixedly connected with the bottom of the arm base (14) and the bottom of the extension seat (6).

6. A shock absorbing structure for a turntable as claimed in any one of claims 1 to 5, wherein: The elastic damping component (5) comprises a through hole (51) arranged on the connecting plate (4), a bottom edge sleeve (52) arranged at the lower periphery of the through hole (51), a spring middle rod (53) arranged inside the through hole (51), the top of the spring middle rod (53) is fixedly connected with the inner top wall of the record player (1) through bolts, a spring top plate (54) is arranged at the bottom of the spring middle rod (53), a damping spring (55) is arranged between the upper wall of the spring top plate (54) and the bottom wall of the bottom edge sleeve (52) and outside the spring middle rod (53).

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