CN212322633U

CN212322633U - CD combined machine

Info

Publication number: CN212322633U
Application number: CN202021107373.6U
Authority: CN
Inventors: 肖运俊
Original assignee: Dongguan Yier Technology Co ltd
Current assignee: Dongguan Yier Technology Co ltd
Priority date: 2020-06-15
Filing date: 2020-06-15
Publication date: 2021-01-08
Anticipated expiration: 2030-06-15

Abstract

The utility model discloses a CD combination machine, be equipped with the casing that goes out the sound hole including the bottom, the internal fixation of casing has a grip slipper, a tray has been accommodated in the grip slipper, be equipped with a rotatable carousel on the tray, grip slipper below elastic connection has a bottom plate, sliding connection has the laser head of a back-and-forth movement on the bottom plate, the position of laser head with the position of CD record corresponds on the tray. The utility model discloses a CD combined machine utilizes bottom plate elastic connection slidable laser head, prevents that vibration from influencing the audio, increase of service life.

Description

CD combined machine

Technical Field

The utility model belongs to the technical field of the CD machine, especially, relate to a CD combination machine.

Background

The CD player is a CD player, also called a laser player or a laser player. It is an intelligent high-fidelity stereo sound equipment controlled by microcomputer, and adopts advanced laser technology, digital technology, computer technology and various new components and parts, and possesses the advantages of high-density recording, long playback time, simple operation and quick music selection, etc.. The laser pickup is a key component of a CD player and consists of a semiconductor laser, an optical system and an electric detector. The laser is a low power (MW grade) AIGAS laser diode, the laser beam emitted is projected on the information surface of the record through the optical lens system, and because a plurality of pits are recorded on the record, when the light spot is printed on the pit, the reflected light is weaker, and the signal picked up by the photoelectric detector is small; when light spot is projected on the aluminium film without pit, the reflected light is strong, the signal picked up by photoelectric detection is large, so that it can produce electric pulse signal with correspondent high and low level in the output of detector according to the existence of pit, then said signal is passed through RF amplifier, and its internal comparator can obtain serial digital signals of "1" and "0", and can be added into digital signal and processing circuit to make demodulation, frame synchronization signal detection and error correction treatment, and the processed data can be added into digital-to-analog converter (D/A), so that it can convert the processed data into analog sound signal and output.

The CD player is very common sound equipment at present, the traditional CD player only has a CD playing function, the structure is simple, after the CD player is used for a long time, the vibration of a motor in the CD player directly influences the playing effect, and the using requirements of customers cannot be met.

Accordingly, the inventors have endeavored to design a CD combining machine to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the utility model provides a CD combined machine utilizes bottom plate elastic connection slidable laser head, prevents that vibration from influencing the audio, increase of service life.

In order to achieve the above object, the utility model discloses a technical scheme who adopts is:

a CD combined machine comprises a shell with sound holes at the bottom, wherein a clamping seat and a circuit board used for controlling the sound function are fixed in the shell, a tray is accommodated in the clamping seat, a rotatable turntable is arranged on the tray, a bottom plate is elastically connected below the clamping seat, a laser head capable of moving back and forth is connected onto the bottom plate in a sliding mode, and the position of the laser head corresponds to the position of a CD record on the tray.

The laser beam emitted by the laser head is projected on the information surface of the CD record of the tray, processed by the signal processing system and then added to a digital-to-analog converter (D/A) to be converted into an analog sound signal for output.

As an improvement of the utility model, the bottom plate is frame-shaped, the bottom plate encloses to be located outside the laser head, laser head one end with slide bar sliding connection on the bottom plate, the laser head other end pass through the spout with bottom plate sliding connection.

As an improvement of the utility model, the bottom plate is provided with a gear assembly and a laser head driving motor, one end of the gear assembly is connected with the laser head driving motor in a transmission way, and the other end of the gear assembly is engaged with a spur rack on the laser head.

As an improvement of the CD combination machine, the moving direction of the laser head and the included angle of the moving direction of the tray are smaller than 15 degrees.

As an improvement of the CD combination machine of the present invention, a turntable driving motor is fixed at the bottom of the bottom plate, and the turntable driving motor is connected to the turntable.

As an improvement of the CD combination machine of the present invention, the housing includes an upper housing and a lower cover, the lower cover is disposed on the bottom of the upper housing and on the side of the upper housing, the lower cover is opposite to the upper housing.

As an improvement of the CD combination machine of the present invention, a front cover is further fastened to the front end face of the upper housing, and a control circuit board is accommodated in the front cover and perpendicular to the tray.

As an improvement of the utility model, the lid of protecgulum closes the face upper end interval and extends and has multiunit lock piece, same group the lock piece is connected through a connecting piece, every be equipped with a draw-in groove on the lock piece, it has a plurality of joint portions to go up the perpendicular extension on the lid face of casing, and same joint portion corresponds the card and goes into in the same group draw-in groove.

As an improvement of the CD combination machine of the present invention, the two supporting legs are extended at the bottom of the front cover at intervals, and the supporting legs are abutted against the bottom of the lower cover and are fixedly connected with the lower cover.

As an improvement of the utility model, the rear end cap of the upper housing is provided with a rear cover, the rear cover is provided with an audio interface, the front cover upper end is provided with an audio adjusting knob, and the front cover lower extreme is provided with a USB interface.

Compared with the prior art, the utility model discloses CD combined machine through setting up mobilizable tray, conveniently changes the gramophone record, utilizes bottom plate elastic connection slidable laser head, prevents to vibrate and influences the audio, increase of service life.

Description of the drawings:

fig. 1 is an exploded perspective view of the CD combiner of the present invention;

FIG. 2 is an enlarged view at A in FIG. 1;

FIG. 3 is another exploded perspective view and a partially enlarged view of the CD combiner of the present invention;

FIG. 4 is a view showing the CD combiner with the upper case and the circuit board removed;

FIG. 5 is a three-dimensional structure diagram of the clamping seat, the laser head and each motor of the CD combination machine of the present invention;

fig. 6 is a perspective view of the clamping seat of the CD combiner of the present invention.

Illustration of the drawings:

1. the optical disk drive comprises a shell, 11, an upper shell, 111, a clamping part, 12, a rear cover, 13, a front cover, 131, a buckling piece, 1311, a clamping groove, 132, a connecting piece, 133, supporting legs, 14, a lower cover, 2, a control circuit board, 3, a tray, 31, an optical disk placing groove, 4, a clamping seat, 41, a bottom plate, 411, a fixed seat, 412, a sliding rod, 42, a connecting column, 5, a laser head, 51, a straight rack, 52, a sliding block, 6, a rotary disk, 7, a laser head drive motor, 8 and a rotary disk drive motor.

Detailed Description

The following embodiments of the present invention will be specifically explained with reference to the accompanying drawings, which are only used for reference and illustration, and do not limit the scope of the present invention.

Referring to fig. 1, 3, 4 and 5, a CD combining machine includes a housing 1, a control circuit board 2, a tray 3 movable to the outside of the housing 1 and returned to be reset, a holder 4, a laser head 5 movable back and forth, a rotatable turntable 6, a laser head driving motor 7 and a turntable driving motor 8.

Referring to fig. 1, 2 and 3, the housing 1 includes an upper housing 11, a lower cover 14, a rear cover 12 and a front cover 13, wherein a plurality of clamping portions 111 vertically extend downward from a covering surface of a front end of the upper housing 11, the lower cover 14 is u-shaped, a plurality of sound holes (not shown) are formed in a bottom of the lower cover 14, the upper housing 11 and the lower cover 14 have opposite shapes, the lower cover 14 covers the bottom of the upper housing 11 and has a side surface elastically abutting against a side wall of the upper housing 11 through an elastic protruding piece (not shown), the front cover 13 is fastened to the front end surface of the upper housing 11, a plurality of sets of fastening pieces 131 extend at intervals from an upper end of the covering surface of the front cover 13, the same set of fastening pieces 131 are connected through a connecting piece 132, each fastening piece 131 is provided with a clamping groove 1311, two supporting legs 133 extend at intervals from a bottom of the front cover 13, when the front cover 13 is fastened to the upper housing 11, the same clamping portion 111 is correspondingly clamped to the same set, the two supporting legs 133 abut against the bottom of the lower cover 14 and are fixedly connected with the lower cover 14 through screws, an audio adjusting knob (not marked) is arranged at the upper end of the front cover 13 and used for adjusting the audio effect of the CD combination machine, a USB interface (not marked) is arranged at the lower end of the front cover 13, a control circuit board 2 is accommodated in the front cover 13 and used for controlling audio, the control circuit board 2 is perpendicular to the tray 3, a plurality of chips and a DSP signal processor are arranged on the control circuit board 2 to realize BT/FM radio reception, the rear cover 12 is arranged at the rear end of the upper shell 11 in a covering mode, an audio interface (not marked) for transmitting audio signals is arranged on the rear cover 12, and a cavity is formed in the middle of the upper shell 11, the lower cover 14, the rear cover 12 and the front cover 13 after.

Referring to fig. 3 to 6, the holder 4 is fixed in the cavity inside the housing 1, the holder 4 is provided with a blocking portion (not labeled) for preventing the CD record from moving, the bottom of the groove of the holder 4 is partially hollow for the laser head 5 to emit laser to the CD record to move, four connecting posts 42 are provided on the bottom surface of the holder 4, each connecting post 42 is externally provided with a spring, a bottom plate 41 is provided below the holder 4, the bottom plate 41 is frame-shaped, four corners of the bottom plate 41 are respectively provided with a through hole connected with the spring on the connecting post 42, the bottom plate 41 is enclosed outside the laser head 5, a sliding rod 412 is fixedly connected to the bottom plate 41, one end of the laser head 5 is sleeved on the sliding rod 412 and slidably connected with the sliding rod 412, the other end of the laser head 5 is provided with a sliding block 52, a sliding groove (not labeled) is provided on the side surface of the sliding block 52, so, in order to make the included angle between the moving direction of the laser head 5 and the moving direction of the tray 3 less than 15 degrees, the sliding rod 412 needs to be obliquely arranged, that is, the included angle between the central axis of the sliding rod 412 and the moving direction of the tray 3 is less than 15 degrees, the position of the laser head 5 corresponds to the position of a CD record on the tray 3, a straight rack 51 is arranged at the end of the laser head 5 close to the sliding rod 412, the bottom plate 41 is further provided with a fixed seat 411, the fixed seat 411 is positioned beside the sliding rod 412, a gear assembly (not labeled) is arranged in the fixed seat 411, the laser head driving motor 7 is fixed at the bottom of the bottom plate 41, one end of the.

Referring to fig. 3 to 5, the tray 3 is accommodated in the groove of the holder 4, the tray 3 is driven by a belt (not shown) located above the tray 3 to move to the outside of the housing 1 and return to the original position, a disc placing groove 31 for replacing a CD disc is provided on the tray 3, the turntable 6 is located at the hollowed part of the tray 3, the turntable driving motor 8 is fixed at the bottom of the bottom plate 41, an output shaft of the turntable driving motor 8 extends into the hollowed part of the tray 3 and is fixedly connected with the turntable 6, when the CD disc is reset on the tray 3, the turntable 6 moves downward under the downward pressing action of the CD disc, the spring on the connecting column 42 deforms by tension until the turntable 6 is coaxial with the CD disc, and the spring pulls the turntable 6 to move upward.

Referring to fig. 1 to 6, the working principle of the CD combination machine of the present invention is: the button corresponding to the tray 3 is pressed, the motor (not shown) drives the belt to drive the tray 3 to move to the outside of the shell 1, a CD record is loaded into the tray 3, the tray button is pressed again, the motor drives the belt to drive the tray 3 to reset, the rotary disc 6 moves downwards until the CD record is coaxial with the rotary disc 6, the rotary disc 6 is clamped into the CD record, the rotary disc driving motor 8 drives the rotary disc 6 to rotate, the CD record is driven to rotate, the laser head driving motor 7 drives the gear assembly and the straight rack 51 to move, the laser head 5 is driven to slide along the sliding rod 412, a laser beam emitted by the laser head 5 is projected onto an information surface of the CD record, and the laser beam is processed by the signal processing system and then is added to a digital-to-analog converter (D/A.

The utility model discloses CD combined machine still can be through the external USB flash disk of USB interface, also can be through audio interface transmission audio signal, this CD combined machine collection CD USB/BT/FM/AUX IN IN an organic whole.

The utility model discloses CD combined machine through setting up mobilizable tray, conveniently changes the gramophone record, utilizes bottom plate elastic connection slidable laser head, prevents that the vibration of internal electric machine from influencing the audio, increase of service life.

The above disclosure is only for the preferred embodiments of the present invention, and the scope of the present invention should not be limited thereby, and the scope of the present invention is not intended to be limited thereby.

Claims

1. The CD combination machine is characterized by comprising a shell with sound outlet holes in the bottom, wherein a clamping seat is fixed in the shell, a tray is accommodated in the clamping seat, a rotatable turntable is arranged on the tray, a bottom plate is elastically connected below the clamping seat, a laser head capable of moving back and forth is connected onto the bottom plate in a sliding mode, and the position of the laser head corresponds to the position of a CD record on the tray.

2. The CD combiner of claim 1, wherein the base plate is frame-shaped, the base plate is enclosed outside the laser head, one end of the laser head is slidably connected with the sliding rod on the base plate, and the other end of the laser head is slidably connected with the base plate through a sliding groove.

3. The CD combiner of claim 2, wherein a gear assembly and a laser head driving motor are arranged on the base plate, one end of the gear assembly is in transmission connection with the laser head driving motor, and the other end of the gear assembly is meshed with a spur rack on the laser head.

4. A CD player as claimed in claim 1 or 2, wherein the angle between the direction of movement of the laser head and the direction of movement of the tray is less than 15 degrees.

5. The CD combiner of claim 1, wherein a turntable driving motor is fixed to the bottom of the bottom plate, and the turntable driving motor is in transmission connection with the turntable.

6. The CD combiner of claim 1, wherein the housing comprises an upper housing and a lower cover, the lower cover is disposed at the bottom of the upper housing and elastically abuts against the upper housing at a side surface thereof, and the lower cover is opposite to the upper housing.

7. The CD combination machine of claim 6, wherein a front cover is further fastened to the front end surface of the upper housing, and a control circuit board is received in the front cover and is perpendicular to the tray.

8. The CD combination machine of claim 7, wherein a plurality of sets of fastening pieces are extended at intervals from the upper end of the covering surface of the front cover, the same set of fastening pieces are connected by a connecting piece, each fastening piece is provided with a clamping groove, a plurality of clamping portions are vertically extended from the covering surface of the upper housing, and the same clamping portion is correspondingly clamped into the same set of clamping grooves.

9. The CD combination machine of claim 7, wherein two support legs extend from the bottom of the front cover at intervals, and the support legs abut against the bottom of the lower cover and are fixedly connected with the lower cover.

10. The CD combination machine as claimed in claim 7, wherein the rear end cap of the upper housing is provided with a rear cap, the rear cap is provided with an audio interface, the upper end of the front cap is provided with an audio adjusting knob, and the lower end of the front cap is provided with a USB interface.