CN111681682A

CN111681682A - Disc recorder suitable for discs with different thicknesses

Info

Publication number: CN111681682A
Application number: CN202010506396.2A
Authority: CN
Inventors: 吴剑峰
Original assignee: Foshan Nsr Audio Equipment Co ltd
Current assignee: Guangzhou Fusheng audio equipment Co.,Ltd.
Priority date: 2020-06-05
Filing date: 2020-06-05
Publication date: 2020-09-18

Abstract

The invention discloses a disc recorder suitable for discs with different thicknesses, which comprises a rotary disc, a shaft sleeve, a shaft core and an adjusting assembly, wherein the shaft sleeve is provided with a mounting hole and an adjusting hole, the adjusting hole is communicated with the mounting hole, the adjusting hole is provided with an internal thread, the shaft core is movably arranged in the mounting hole, the adjusting assembly comprises a screw rod, the screw rod is arranged in the adjusting hole and matched with the internal thread, the rotary disc is abutted against the upper end surface of the shaft core, the screw rod rotates relative to the adjusting hole and is abutted against the shaft core, so that the height of the rotary disc on the shaft core is increased or reduced, and the vertical angle of a stylus is recovered to the optimal angle.

Description

Disc recorder suitable for discs with different thicknesses

Technical Field

The invention relates to a CD player, in particular to a CD player suitable for records with different thicknesses.

Background

The vertical tracking angle of the record refers to the vertical line angle between the stylus and the record disc surface, which can generate unbalance of volume senses of high, middle and low frequency sections when incorrect, and increase the abrasion of the stylus and the record disc. The microgroove vinyl records on the market have several different thicknesses, so that it is difficult to ensure that the stylus operates at an optimum vertical angle when the record is changed and reproduced.

The adjustment of the vertical angle of the stylus of the existing gramophone is realized by adjusting the height of the tone arm, and the adjustment is good, so that the adjustment cannot be changed quickly.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention aims to provide a CD player which can adjust the vertical tracking angle by changing the height of the pivot of a rotating shaft of a turntable or a tone arm so as to be suitable for records with different thicknesses.

The purpose of the invention is realized by adopting the following technical scheme:

the utility model provides a be suitable for phonographic record of different thickness records, includes the carousel, the phonographic record of being suitable for different thickness records still includes axle sleeve, axle core and adjusting part, the axle sleeve is equipped with mounting hole and regulation hole, the regulation hole with the mounting hole intercommunication, the regulation hole is equipped with the internal thread, axle core movable mounting in the mounting hole, adjusting part includes the screw rod, the screw rod install in the regulation hole and with interior screw-thread fit, the carousel with the conflict of axle core up end, the screw rod is relative the regulation hole rotates and conflicts the axle core makes carousel height on the axle core risees or reduces, makes the vertical angle of phonographic record resume to best angle.

Furthermore, the phonograph record machine suitable for phonograph records with different thicknesses also comprises a ball bearing, and the ball bearing is arranged between the shaft core and the screw rod.

Further, the adjusting assembly further comprises a rotating block fixed to the end of the screw.

Furthermore, the side surface of the rotating block is provided with anti-skid grains.

The utility model provides a be suitable for record disc machine of different thickness record, includes tone arm, pivot and record head, the tone arm install in the pivot, the record head install in the tone arm, the record head is equipped with the gramophone needle, the record disc machine that is suitable for different thickness record still includes axle sleeve, axle core and adjusting part, the axle sleeve is equipped with mounting hole and regulation hole, the regulation hole with the mounting hole intercommunication, the regulation hole is equipped with the internal thread, axle core movable mounting in the mounting hole, adjusting part include the screw rod, the screw rod install in the regulation hole and with interior screw-thread fit, the pivot with axle core up end is contradicted, the screw rod is relative the regulation hole rotates and contradicts the axle core makes pivot height on the axle core risees or reduces, makes the perpendicular angle of gramophone needle resume to best angle.

A phonograph record machine suitable for phonograph records with different thicknesses comprises a rotary disc, a phonograph arm, a rotary shaft and a phonograph head, wherein the phonograph arm is arranged on the rotary shaft, the phonograph head is arranged on the phonograph arm, the phonograph record machine suitable for phonograph records with different thicknesses further comprises two height adjusting structures, each height adjusting structure comprises a shaft sleeve, a shaft core and an adjusting component, the shaft sleeve is provided with a mounting hole and an adjusting hole, the adjusting hole is communicated with the mounting hole, the adjusting hole is provided with an internal thread, the shaft core is movably arranged on the mounting hole, the adjusting component comprises a screw rod, the screw rod is arranged on the adjusting hole and is matched with the internal thread, the upper end surface of the shaft core of the height adjusting structure is respectively abutted against the rotary disc and the rotary shaft, the screw rod is opposite to the adjusting hole and is rotated and abutted against the shaft core, so that the height of the rotary shaft and the rotary disc on, the vertical angle of the stylus is restored to the optimum angle.

Compared with the prior art, the invention is suitable for the record recorders with different thickness and has the following advantages:

(1) when installed under a turntable of a record, the vertical angle of the stylus is restored to an optimum angle by adjusting the height of the turntable according to a change in the thickness of the record being installed.

(2) When installed under the turntable arm spindle, the height of the stylus is adjusted according to the thickness change of the installed record, and the vertical angle of the stylus is restored to the optimum angle.

(3) The height of the stylus and the turntable can be adjusted according to the thickness change of the installed record, and the vertical angle of the stylus is restored to the optimal angle.

Drawings

FIG. 1 is a perspective view of a disc player for recording discs of different thicknesses in accordance with the present invention;

fig. 2 is a cross-sectional view of the disc player of fig. 1 adapted for use with different thickness discs.

In the figure: 10. a shaft sleeve; 11. an end face; 12. mounting holes; 13. mounting grooves; 14. an adjustment hole; 20. a shaft core; 21. a contact surface; 30. a ball bearing; 40. an adjustment assembly; 41. a screw; 42. And (6) rotating the block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It will be understood that when a structure is referred to as being "secured to" another structure, it can be directly on the other structure or intervening structures may also be present, secured by the intervening structures. When a structure is referred to as being "connected" to another structure, it can be directly connected to the other structure or intervening structures may also be present. When a structure is referred to as being "disposed on" another structure, it can be directly on the other structure or intervening structures may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-2, an embodiment of a disc recorder suitable for discs of different thicknesses is shown, wherein the disc recorder comprises a turntable and a height adjusting structure.

The height adjusting structure includes a shaft housing 10, a shaft core 20, a ball 30, and an adjusting assembly 40. The bushing 10 is provided with an end face 11, a mounting hole 12, a mounting groove 13 and an adjustment hole 14. The sleeve 10 is cylindrical. The mounting hole 12 is located at the center of the boss 10. The mounting hole 12 is cylindrical. The mounting groove 13 is located between the mounting hole 12 and the adjusting hole 14 and communicates with the mounting hole 12 and the adjusting hole 14. The mounting groove 13 is cylindrical. The inner wall of the adjusting hole 14 is provided with a threaded hole. The end face 11 is a plane. The shaft core 20 includes an interference surface 21, and the interference surface 21 is circular. The shaft core 20 is movably mounted in the mounting hole 12. The ball 30 is movably installed in the installation groove 13. The adjustment assembly 40 includes a screw 41 and a turning block 42. The end of the screw 41 is fixed to the turning block 42. The turning block 42 is cylindrical. The outer wall of the rotating block 42 is provided with anti-slip lines. The screw 41 is mounted in the adjustment hole 14 and cooperates with the thread of the adjustment hole 14.

When the disc recorder suitable for discs with different thicknesses is assembled, the height adjusting structure is arranged below the turntable. When a thick microgroove record is played, the rotating shaft fulcrum of the whole turntable is lowered to the lowest position by rotating the screw rod 41; when a thin record is to be played, the vertical angle of the stylus is returned to the optimum angle for playing the record by rotating the screw 41 to raise the fulcrum to the proper position.

In the second embodiment of the present invention, the height adjusting structure is installed below the rotation shaft of the tone arm, and when the stylus works on the thinnest microgroove record, the rotation shaft fulcrum of the tone arm is lowered to the lowest position by rotating the screw 41; when the stylus works on a thick microgroove record, the vertical angle of the stylus is returned to the optimum angle for playing the record by rotating the screw 41 to raise the fulcrum to the proper position.

In the third embodiment of the present invention, the number of the height adjusting structures is two, and the height adjusting structures are installed below the pivot point of the rotating shaft of the rotating disc and below the pivot point of the rotating shaft of the rotating disc. The height of the stylus and the turntable is adjusted according to the thickness change of the installed record, and the vertical angle of the stylus is restored to an optimal angle.

The whole device is simple in structure and convenient to operate.

The above examples only show some embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, variations and modifications can be made without departing from the spirit of the invention, and all equivalent modifications and changes can be made to the above embodiments according to the essential technology of the invention, which falls into the protection scope of the invention.

Claims

1. A disc recorder suitable for discs of different thicknesses, comprising a turntable, characterized in that: the phonograph record of suitable different thickness record still includes axle sleeve, axle core and adjusting part, the axle sleeve is equipped with mounting hole and regulation hole, the regulation hole with the mounting hole intercommunication, the regulation hole is equipped with the internal thread, axle core movable mounting in the mounting hole, adjusting part includes the screw rod, the screw rod install in the regulation hole and with interior screw-thread fit, the carousel with the conflict of axle core up end, the screw rod is relative the regulation hole rotates and conflicts the axle core makes carousel height on the axle core risees or reduces, makes the vertical angle of gramophone resume to best angle.

2. The disc player for different thickness discs as claimed in claim 1, wherein: the gramophone record machine suitable for gramophone records with different thicknesses further comprises a ball bearing, and the ball bearing is arranged between the shaft core and the screw rod.

3. The disc player for different thickness discs as claimed in claim 1, wherein: the adjustment assembly further includes a turning block secured to the end of the screw.

4. A disc player for different thickness discs as claimed in claim 3, wherein: and anti-skid grains are arranged on the side surface of the rotating block.

5. The utility model provides a be suitable for record loom of different thickness record, includes tone arm, pivot and record head, the tone arm install in the pivot, the record head install in the tone arm, the record head is equipped with the gramophone needle, its characterized in that: the phonograph record of suitable different thickness record still includes axle sleeve, axle core and adjusting part, the axle sleeve is equipped with mounting hole and regulation hole, the regulation hole with the mounting hole intercommunication, the regulation hole is equipped with the internal thread, axle core movable mounting in the mounting hole, adjusting part includes the screw rod, the screw rod install in the regulation hole and with interior screw-thread fit, the pivot with the conflict of axle core up end, the screw rod is relative the regulation hole rotates and conflicts the axle core makes pivot height in the axle core risees or reduces, makes the vertical angle of gramophone resume to best angle.

6. The disc player for different thickness discs as claimed in claim 1, wherein: the gramophone record machine suitable for gramophone records with different thicknesses further comprises a ball bearing, and the ball bearing is arranged between the shaft core and the screw rod.

7. The disc player for different thickness discs as claimed in claim 1, wherein: the adjustment assembly further includes a turning block secured to the end of the screw.

8. The disc player for different thickness discs as claimed in claim 7, wherein: and anti-skid grains are arranged on the side surface of the rotating block.

9. The utility model provides a be suitable for record disc machine of different thickness record, includes carousel, tone arm, pivot and record head, the tone arm install in the pivot, the record head install in the tone arm, the record head is equipped with the gramophone needle, its characterized in that: the phonograph record of suitable different thickness record still includes two altitude mixture control structures, each altitude mixture control structure includes axle sleeve, axle core and adjusting part, the axle sleeve is equipped with mounting hole and regulation hole, the regulation hole with the mounting hole intercommunication, the regulation hole is equipped with the internal thread, axle core movable mounting in the mounting hole, adjusting part includes the screw rod, the screw rod install in the regulation hole and with interior screw-thread fit, two the altitude mixture control structure axle core up end respectively with the carousel reaches the pivot is contradicted, the screw rod is relative the regulation hole rotates and is contradicted the axle core makes pivot and carousel height on the axle core rise or reduce, make the perpendicular angle of phonograph needle resume to best angle.

10. The disc player for different thickness discs as claimed in claim 1, wherein: the gramophone record machine suitable for gramophone records with different thicknesses further comprises a ball bearing, and the ball bearing is arranged between the shaft core and the screw rod.