CN219457150U - Record disc running mechanism of record disc machine - Google Patents
Record disc running mechanism of record disc machine Download PDFInfo
- Publication number
- CN219457150U CN219457150U CN202320173483.XU CN202320173483U CN219457150U CN 219457150 U CN219457150 U CN 219457150U CN 202320173483 U CN202320173483 U CN 202320173483U CN 219457150 U CN219457150 U CN 219457150U
- Authority
- CN
- China
- Prior art keywords
- turntable
- mounting
- operation mechanism
- mounting plate
- motor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000007246 mechanism Effects 0.000 title claims abstract description 33
- 230000005611 electricity Effects 0.000 claims abstract description 7
- 230000006698 induction Effects 0.000 claims description 22
- 230000035939 shock Effects 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 239000000741 silica gel Substances 0.000 claims description 4
- 229910002027 silica gel Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 238000005452 bending Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 5
- 230000003068 static effect Effects 0.000 abstract description 4
- 230000000903 blocking effect Effects 0.000 description 6
- 241001422033 Thestylus Species 0.000 description 4
- 230000001939 inductive effect Effects 0.000 description 3
- 230000002452 interceptive effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
Landscapes
- Holding Or Fastening Of Disk On Rotational Shaft (AREA)
Abstract
The utility model provides a turntable operation mechanism of a record player, which has the key points of the technical scheme that: the anti-noise turntable comprises a turntable, wherein a mounting plate is arranged below the turntable, a photoelectric sensor is arranged in the mounting plate, a shading piece is arranged on the bottom surface of the turntable corresponding to the photoelectric sensor, a circuit board is arranged below the mounting plate, a motor is arranged at one end of the mounting plate, a rotating shaft is arranged at the other end of the mounting plate, a shock-absorbing rubber cushion is arranged between the motor and the mounting plate, a noise-preventing electric ring is arranged at the bottom end of the rotating shaft and is electrically connected with a common ground end on the circuit board, a shaft sleeve is arranged on the rotating shaft and positioned between the turntable and the mounting plate, and the shaft sleeve rotates along with the rotating shaft; the utility model can timely feed back and regulate the rotating speed of the turntable, so that the turntable can stably run at the set rotating speed, and can effectively eliminate the interference caused by factors such as static electricity, electromagnetic waves, motor vibration and the like, thereby improving the tone quality effect of the record player.
Description
[ field of technology ]
The utility model relates to the technical field of record players, in particular to a record player operation mechanism of a record player.
[ background Art ]
A record player, also known as a gramophone, is a sound reproducing device in which sound is stored in an arcuate notch cut acoustically into the record surface. When music is needed to be played, the record is placed on the record disc of the record player, the record disc drives the record disc to rotate under the stylus, and the audio information collected by the stylus is amplified by the circuit and then output to equipment with a loudspeaker to play the music.
For a record disc on which different music information is recorded, different turntable speeds may be required, when the turntable speed does not correspond to the turntable speed required by the record disc, the audio information output by the record disc player is played, which is equivalent to the fast playing or slow playing of normal music, the music is distorted, the turntable running mechanism of the existing record disc player is difficult to ensure that the adjusted turntable speed achieves an ideal effect in the process of switching and adjusting the turntable speed, and when the turntable is disturbed by the outside, the turntable speed is difficult to quickly feed back and adjust, so that the turntable speed which is difficult to set is stable to run.
Meanwhile, the turntable running mechanism of the existing record player is easy to be interfered by external electromagnetic waves, static electricity, motor vibration and other factors, and because the stylus is very sensitive, the influence factors can interfere the stylus to read the record, noise and noise can be generated by the interference through the amplification of the circuit, and the tone quality effect of the record player is reduced.
[ utility model ]
In order to make the record disc stably run at a set rotation speed, eliminate noise and noise generated by various interferences and improve the tone quality of a record player, the utility model provides a record disc running mechanism of the record player.
In order to solve the problems, the utility model provides the following technical scheme:
a turntable operation mechanism of a record player, characterized in that: including the turntable the below of turntable is equipped with the mounting panel be equipped with photoelectric sensor in the mounting panel correspond on the bottom surface of turntable photoelectric sensor is equipped with the shade the below of mounting panel is equipped with the circuit board the one end of mounting panel is equipped with the motor, and the other end is equipped with the pivot be equipped with the cushion of moving away to avoid possible earthquakes between the motor with be equipped with the noise protection electric circle in the bottom of pivot, the noise protection electric circle with common ground end electricity on the circuit board is connected in the pivot and be located the turntable with be equipped with the axle sleeve between the mounting panel, the axle sleeve is along with the pivot is together rotated.
The turntable operation mechanism of the turntable, as described above, is characterized in that: the shading piece is an induction baffle, the induction baffle is arc-shaped, and the bending degree is consistent with the curvature of the stroke track of the induction baffle.
The turntable operation mechanism of the turntable, as described above, is characterized in that: the shading piece is an induction grating, a circle of equidistant separation blades of the induction grating are provided with a plurality of identical separation blades, a mounting column is arranged on the bottom surface of the turntable, and a mounting head is arranged on the inner wall of the induction grating corresponding to the mounting column.
The turntable operation mechanism of the turntable, as described above, is characterized in that: the motor shaft of the motor is provided with a belt pulley, the bottom surface of the turntable is provided with a belt mounting ring which extends downwards, and the belt pulley and the belt mounting ring are positioned on the same horizontal plane.
The turntable operation mechanism of the turntable, as described above, is characterized in that: the rotary shaft is provided with a first bearing and a second bearing, the first bearing and the second bearing are arranged in the mounting plate, a sleeve is arranged between the first bearing and the second bearing and on the rotary shaft, and a fixing piece is arranged above the first bearing and on the mounting plate.
The turntable operation mechanism of the turntable, as described above, is characterized in that: the mounting plate is provided with a mounting groove protruding towards the turntable, the photoelectric sensor is fixed in the mounting groove, two protruding blocks are arranged on the protruding portion of the mounting groove corresponding to the emitting end and the receiving end of the photoelectric sensor, a gap is arranged between the two protruding blocks, and the rotating track of the shading piece is located in the gap.
The turntable operation mechanism of the turntable, as described above, is characterized in that: the anti-noise electric ring is made of metal with good conductivity, and a lug for welding a wire is arranged on the anti-noise electric ring.
The turntable operation mechanism of the turntable, as described above, is characterized in that: the shaft sleeve is in a truncated cone shape with a thin upper part and a thick lower part, and a connecting groove is arranged on the bottom surface of the turntable corresponding to the shaft sleeve.
The turntable operation mechanism of the turntable, as described above, is characterized in that: the material of the shock absorbing rubber pad is silica gel or rubber capable of eliminating shock.
Compared with the prior art, the utility model has the following advantages:
1. the turntable running mechanism of the record player adopts the photoelectric sensor to detect and feed back the turntable rotation speed in real time, the photoelectric sensor is very sensitive, and can timely transmit the induction signal to the control chip, thereby rapidly carrying out feedback adjustment, ensuring that the turntable keeps the set rotation speed and can stably run.
2. The utility model relates to a turntable running mechanism of a record player, which is provided with a noise-proof electric ring, wherein the noise-proof electric ring is made of metal material with good electric conduction, and is electrically connected with a common ground end of a circuit board.
3. The turntable running mechanism of the record player is provided with the shock-absorbing rubber cushion, and the shock-absorbing rubber cushion is made of silica gel or rubber generally, so that the vibration generated by the running of a motor can be effectively eliminated, and the motor vibration is prevented from interfering a stylus to read a record.
[ description of the drawings ]
FIG. 1 is a perspective view of the turntable operating mechanism;
FIG. 2 is a bottom view of the turntable operating mechanism;
FIG. 3 is a cross-sectional view taken along the direction A-A in FIG. 2;
FIG. 4 is an enlarged view of the area D in FIG. 3;
FIG. 5 is a first exploded view of the turntable mechanism with the turntable removed;
FIG. 6 is a second exploded view of the turntable operating mechanism;
FIG. 7 is an enlarged schematic view of an inductive grating;
in the figure: 1 is a turntable; 2 is a mounting plate; 3 is a photoelectric sensor; 4 is a shading piece; 401 is an inductive baffle; 402 is an inductive grating; 403 is a baffle; 404 is a mounting post; 405 is a mounting head; 5 is a circuit board; 6 is a motor; 7 is a rotating shaft; 8 is a noise-proof electric ring; 9 is a shaft sleeve; 10 is a belt pulley; 11 is a belt mounting ring; 12 is a first bearing; 13 is a second bearing; 14 is a sleeve; 15 is a fixing piece; 16 is a mounting groove; 17 is a bump; 18 is the gap; 19 is a wiring lug; 20 is a connecting groove; and 21 is a shock-absorbing rubber cushion.
[ detailed description ] of the utility model
The technical features of the present utility model are described in further detail below with reference to the accompanying drawings so that those skilled in the art can understand the features.
The utility model provides a record disc running gear of record player, is shown as fig. 1 ~ 7, including record disc 1 the below of record disc 1 is equipped with mounting panel 2 be equipped with photoelectric sensor 3 in the mounting panel 2 correspond on the bottom surface of record disc 1 photoelectric sensor 3 is equipped with light shield 4 the below of mounting panel 2 is equipped with circuit board 5 the one end of mounting panel 2 is equipped with motor 6, and the other end is equipped with pivot 7 be equipped with shock absorber rubber pad 21 between motor 6 with mounting panel 2 the bottom of pivot 7 is equipped with noise control electric circle 8, noise control electric circle 8 with common ground end electricity on the circuit board 5 is connected on the pivot 7 just be located record disc 1 with be equipped with axle sleeve 9 between the mounting panel 2, axle sleeve 9 rotates together with pivot 7.
Specifically, the photoelectric sensor 3 is very sensitive, and the photoelectric sensor 3 is adopted to detect and feed back the rotating speed of the turntable 1 in real time, and timely transmits an induction signal to the control chip on the circuit board 5, so that the motor 6 is rapidly fed back and regulated, and the turntable 1 keeps the set rotating speed to stably operate.
Specifically, as shown in fig. 1 and fig. 2, the light shielding member 4 is a sensing plate 401, and the sensing plate 401 is arc-shaped and has a curvature degree consistent with the curvature of the stroke track of the sensing plate 401; the induction baffle 401 rotates along with the turntable 1, the induction baffle 401 passes through the induction area of the photoelectric sensor 3 once every time the turntable 1 rotates, when the induction baffle 401 enters the induction area of the photoelectric sensor 3, the photoelectric sensor 3 transmits induction signals to the control chip on the circuit board 5, the control chip on the circuit board 5 starts timing when receiving the induction signals for the first time until receiving the induction signals for the next time, and the control chip on the circuit board 5 records the time of one rotation of the turntable 1 and starts timing again, at this time, the control chip can calculate the rotation speed of the turntable 1 according to the time of one rotation of the turntable 1 and compares the rotation speed with the set rotation speed, so that feedback adjustment is performed on the motor 6 rapidly, and the turntable 1 keeps the set rotation speed to run stably.
In addition, as shown in fig. 6 and 7, the light shielding member 4 may be further configured as an induction grating 402, a plurality of identical blocking pieces 403 are provided at equal intervals on one circle of the induction grating 402, a mounting post 404 is provided on the bottom surface of the turntable platter 1, and a mounting head 405 is provided on the inner wall of the induction grating 402 corresponding to the mounting post 404; the sensing grating 402 also rotates along with the turntable 1, the blocking pieces 403 on the sensing grating 402 sequentially pass through the sensing area of the photoelectric sensor 3, when each blocking piece 403 enters the sensing area of the photoelectric sensor 3, the photoelectric sensor 3 triggers a sensing signal and transmits the sensing signal to the control chip on the circuit board 5, the control chip records the number of blocking pieces 403 passing in a set time, and because the blocking pieces 403 are distributed at equal intervals, the control chip can calculate the stroke of the turntable 1 according to the number of blocking pieces 403 passing in the set time, thereby calculating the rotating speed of the turntable 1 and comparing the rotating speed with the set rotating speed, and further rapidly performing feedback adjustment on the motor 6, so that the turntable 1 keeps the set rotating speed to stably operate; in this feedback adjustment mechanism, the more the baffles 403 are disposed on the sensing grating 402, the denser the baffles 403 are distributed, and the more accurate the calculation result is.
Specifically, as shown in fig. 1, 3 or 6, a belt pulley 10 is disposed on a motor shaft of the motor 6, a belt mounting ring 11 extending downward is disposed on a bottom surface of the turntable 1, the belt pulley 10 and the belt mounting ring 11 are located on the same horizontal plane, the motor 6 drives the belt pulley 10 to rotate, the belt pulley 10 drives the turntable 1 to rotate through a belt, a diameter of the belt mounting ring 11 is larger than that of the belt pulley 10, the belt pulley 10 rotates for a plurality of circles, the belt mounting ring 11 and the turntable 1 can rotate for one circle, and due to the fact that feedback adjustment of the rotation speed of the turntable 1 is achieved through controlling the motor 6, the structure can facilitate finer adjustment of the rotation speed of the turntable 1.
As shown in fig. 3 to 6, a first bearing 12 and a second bearing 13 are provided on the rotating shaft 7 and in the mounting plate 2, a sleeve 14 is provided on the rotating shaft 7 and between the first bearing 12 and the second bearing 13, and a fixing member 15 is provided on the mounting plate 2 and above the first bearing 12; the first bearing 12, the second bearing 13 and the sleeve 14 serve to stabilize the spindle 7, prevent the spindle 7 from shaking, and reduce rotational friction of the spindle 7, so that the turntable platter 1 rotates more smoothly.
Specifically, as shown in fig. 5 and 6, a mounting groove 16 protruding toward the turntable 1 is formed in the mounting plate 2, the photoelectric sensor 3 is fixed in the mounting groove 16, two protruding blocks 17 are formed at protruding portions of the mounting groove 16 corresponding to the transmitting end and the receiving end of the photoelectric sensor 3, a gap 18 is formed between the two protruding blocks 17, and a rotation track of the light shielding member 4 is located in the gap 18.
In addition, as shown in fig. 3 to 6, the noise-proof electric ring 8 is made of metal with good conductivity, the noise-proof electric ring 8 is provided with a lug 19 for welding wires, so that the noise-proof electric ring is conveniently connected with the common ground end of the circuit board 5, because the record is made of plastic materials, static electricity is easily carried, the tone quality of the record player is affected, electromagnetic waves emitted by external electric equipment can also cause adverse effects on the tone quality of the record player, and the noise-proof electric ring 8 has the main function of being capable of leading the fine current interference into the common ground end, thereby eliminating noise and noise generated by factors such as static electricity, electromagnetic waves and the like, and further improving the tone quality effect of the record player.
Specifically, as shown in fig. 6, the shaft sleeve 9 is in a shape of a truncated cone with a thin upper part and a thick lower part, the bottom surface of the turntable 1 is provided with a connecting groove 20 corresponding to the shaft sleeve 9, the shaft sleeve 9 in the shape of a truncated cone is convenient to install, and the contact area is larger, so that the turntable can be automatically locked when the turntable 1 rotates, and the turntable 1 is prevented from swinging, slipping and loosening.
In addition, the shock absorbing rubber pad 21 is made of silica gel or rubber capable of eliminating vibration, vibration generated by motor operation can be effectively eliminated, and motor vibration is prevented from interfering a stylus to read a record.
The embodiments of the present utility model are merely described in terms of preferred embodiments, and are not limited to the precise structures described above and shown in the drawings, but various modifications and improvements of the technical solutions of the present utility model should be made by those skilled in the art without departing from the design concept of the present utility model.
Claims (9)
1. A turntable operation mechanism of a record player, characterized in that: including turntable (1) the below of turntable (1) is equipped with mounting panel (2) be equipped with photoelectric sensor (3) in mounting panel (2) correspond on the bottom surface of turntable (1) photoelectric sensor (3) are equipped with light-proof spare (4) the below of mounting panel (2) is equipped with circuit board (5) the one end of mounting panel (2) is equipped with motor (6), and the other end is equipped with pivot (7) motor (6) with be equipped with cushion (21) of moving away to avoid possible earthquakes between mounting panel (2) the bottom of pivot (7) is equipped with noise control electric circle (8), noise control electric circle (8) with common ground end electricity on circuit board (5) is connected on pivot (7) and be located turntable (1) with be equipped with axle sleeve (9) between mounting panel (2), axle sleeve (9) are along with pivot (7) are together rotated.
2. A turntable operation mechanism of a disc player as claimed in claim 1, wherein: the shading piece (4) is a sensing baffle plate (401), the sensing baffle plate (401) is arc-shaped, and the bending degree is consistent with the curvature of the stroke track of the sensing baffle plate (401).
3. A turntable operation mechanism of a disc player as claimed in claim 1, wherein: the shading piece (4) is an induction grating (402), a plurality of identical baffle plates (403) are arranged at equal intervals on one circle of the induction grating (402), a mounting column (404) is arranged on the bottom surface of the turntable (1), and a mounting head (405) is arranged on the inner wall of the induction grating (402) corresponding to the mounting column (404).
4. A turntable operation mechanism of a disc player as claimed in claim 1, wherein: a belt pulley (10) is arranged on a motor shaft of the motor (6), a belt mounting ring (11) extending downwards is arranged on the bottom surface of the turntable (1), and the belt pulley (10) and the belt mounting ring (11) are positioned on the same horizontal plane.
5. A turntable operation mechanism of a disc player as claimed in claim 1, wherein: the rotary shaft (7) is provided with a first bearing (12) and a second bearing (13) which are positioned in the mounting plate (2), a sleeve (14) is arranged on the rotary shaft (7) and between the first bearing (12) and the second bearing (13), and a fixing piece (15) is arranged on the mounting plate (2) and above the first bearing (12).
6. A turntable operation mechanism of a disc player according to any one of claims 1 to 3, wherein: be equipped with on mounting panel (2) to the convex mounting groove (16) of turntable (1), photoelectric sensor (3) are fixed in mounting groove (16), the bulge of mounting groove (16) corresponds photoelectric sensor (3) transmitting end and receiving end are equipped with two lug (17), two lug (17) between be equipped with clearance (18), the rotation orbit of light-proof member (4) is located in clearance (18).
7. A turntable operation mechanism of a disc player as claimed in claim 1, wherein: the anti-noise electric ring (8) is made of metal with good conductivity, and a lug (19) for welding a wire is arranged on the anti-noise electric ring (8).
8. A turntable operation mechanism of a disc player as claimed in claim 1, wherein: the shaft sleeve (9) is in a truncated cone shape with a thin upper part and a thick lower part, and a connecting groove (20) is arranged on the bottom surface of the turntable (1) corresponding to the shaft sleeve (9).
9. A turntable operation mechanism of a disc player as claimed in claim 1, wherein: the shock absorbing rubber pad (21) is made of silica gel or rubber capable of eliminating shock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320173483.XU CN219457150U (en) | 2023-01-14 | 2023-01-14 | Record disc running mechanism of record disc machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320173483.XU CN219457150U (en) | 2023-01-14 | 2023-01-14 | Record disc running mechanism of record disc machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219457150U true CN219457150U (en) | 2023-08-01 |
Family
ID=87423237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320173483.XU Active CN219457150U (en) | 2023-01-14 | 2023-01-14 | Record disc running mechanism of record disc machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219457150U (en) |
-
2023
- 2023-01-14 CN CN202320173483.XU patent/CN219457150U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US2219230A (en) | Phonograph pickup | |
| EP3526793B1 (en) | Gramophone with a turntable, levitating on a magnetic cushion | |
| US5088083A (en) | Device for cleaning the laser lens of a compact disc player | |
| CN219457150U (en) | Record disc running mechanism of record disc machine | |
| US4054291A (en) | Turntable assembly for phonograph records | |
| GB2333638A (en) | A disk drive with a vibration absorber | |
| JP4263141B2 (en) | Disk drive | |
| US4202551A (en) | Acoustic dampening assembly for record player turntable | |
| KR100335410B1 (en) | Noise reduction device for disc player | |
| CA1180663A (en) | Disc reproducing system for compensating mechanical imperfections | |
| JP3968684B2 (en) | Disk unit | |
| CN108538314B (en) | Record machine | |
| KR200187146Y1 (en) | Disk drive | |
| KR100292373B1 (en) | Vibration Reduction Device for Disc Drive | |
| CN211376194U (en) | Automatic arm-stopping record player | |
| US4368530A (en) | Acoustic dampening assembly for record player turntable | |
| JP3660840B2 (en) | Disk unit | |
| JPH0836702A (en) | Drum for magnetic-tape read/write apparatus | |
| US2240305A (en) | Metronome | |
| CN221651193U (en) | Shockproof structure of record machine | |
| JPS6037731Y2 (en) | disc player turntable | |
| CN2655581Y (en) | Digital music player | |
| WO1999046771A1 (en) | Optical disk and ring for optical disk | |
| JPH0229578Y2 (en) | ||
| JPS62183082A (en) | Disk player |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: No.15, Danli Road, South District, Zhongshan City, Guangdong Province Patentee after: Guangdong Lidan Electronic Technology Co.,Ltd. Country or region after: China Address before: No.15, Danli Road, South District, Zhongshan City, Guangdong Province Patentee before: GUANGDONG LEETAC ELECTRONICS TECHNOLOGY CO.,LTD. Country or region before: China |