CN208607905U - A kind of disc machine - Google Patents

Abstract

The utility model relates to a kind of disc machines, including cabinet, loudspeaker, machine core seat board, machine core, cabinet is equipped with the first opening and the second opening, first opening is located at side, bottom surface or the top surface of cabinet, second opening is located at the top surface of cabinet, and loudspeaker setting is open first and is electrically connected with machine core, and the setting of machine core seat board is in the second opening, machine core seat board is equipped with recess, and machine core is placed in recess.The utility model forms good organ for resonance by boombox inside disc machine, improves the sound timbre that disc machine sowing is released.

Description

A kind of disc machine

Technical field

The utility model relates to audio and video equipment fields, and in particular to a kind of disc machine.

Background technique

The working principle of existing disc machine machine core is that the rotation of disc is driven by driving turntable rotation, with turning for disc Dynamic, the piece line on the friction disc of stylus set by sound arm end is to read the sound recorded on disc.In order to facilitate user External speaker or earphone are not needed when listening disc using disc machine, some existing disc chances carry loudspeaker, but disc Without good resonator in machine, the sound that disc machine is played out cannot reach preferable sound quality, often be accompanied by various The generation of noise.Moreover, the warpage of disc itself and the friction of stylus can make disc machine machine when the rotation of driven by rotary disc disc Vibration and displacement occur for core, and the sound timbre for causing disc machine sowing to be released is unstable, and the warpage of disc itself can also aggravate to sing Degree of wear when needle friction disc, the sound timbre for causing disc machine sowing to be released are more bad.

Utility model content

The utility model is provided and is raised built in one kind to overcome at least one defect (deficiency) described in the above-mentioned prior art Sound device and the disc machine that good organ for resonance can be formed.

For realization the purpose of this utility model, it is achieved using following technical scheme:

A kind of disc machine, including cabinet, loudspeaker, machine core seat board, machine core, cabinet are equipped with the first opening and the second opening, First opening is located at side, bottom surface or the top surface of cabinet, and the second opening is located at the top surface of cabinet, and loudspeaker setting is in the first opening And be electrically connected with machine core, the setting of machine core seat board is equipped with recess in the second opening, machine core seat board, and machine core is placed in recess.

Loudspeaker is electrically connected with machine core, and machine core is amplified sound by loudspeaker after reading the sound that disc is recorded, User is set not have to disc machine external speaker or earphone can hear sound.

Since the lower surface of machine core is rough, thus set by cabinet second opening setting machine core seat board and Machine core is placed in recess set by machine core seat board the position that can not only fix machine core, it is also possible that relatively smooth The inner wall of machine core seat board lower surface and cabinet is formed together the smoother organ for resonance of inner wall, and sound wave is in the organ for resonance The propagation and reflection that rule is carried out in smooth internal walls generate the relatively regular sound wave of frequency, user are made to hear less noise, and The frequency of produced sound wave can tend to unanimously, empathize in organ for resonance, allow user hear it is round and mellow, have texture, have The sound of penetration power.

Preferably, the material of the cabinet is timber.In order to allow sound wave sufficiently to be reflected in organ for resonance, resonator Body needs to be made of hard elastic material, and timber is a kind of hard elastic material and more common, therefore is preferably used Timber.

Preferably, second opening is additionally provided with loudspeaker control panel, and the loudspeaker control panel is equipped with volume tune Save knob, song select button, pause broadcast button, beginning broadcast button etc..

User can control the size that loudspeaker is made a sound by volume adjustment knob, be selected by song select button Currently playing song is selected, suspends the broadcasting of current disc by suspending broadcast button, starts to carry out by starting broadcast button Disc plays.

Preferably, the cabinet is additionally provided with third opening, and the third opening is used to that the interface being electrically connected with machine core to be arranged, By the external other stereo sets of interface, machine core can also pass through after reading the sound that disc is recorded except through loudspeaker Other stereo sets amplify sound.

Further, partition is equipped in the cabinet, partition is parallel with plane where the first opening, and partition will be in cabinet Part is divided into two cavitys.

Since the surface for being open set loudspeaker first is also rough, so being arranged parallel to the first opening institute In the partition of plane, the inside of cabinet is separated into two cavitys.One cavity be by the surface of loudspeaker, cabinet inner wall, The relatively rough cavity of an inner wall that partition, machine core seat board are formed together；Another cavity be by cabinet inner wall, every The cavity for the inner wall relative smooth that plate, machine core seat board are formed together, the cavity can be further reduced as organ for resonance The generation of noise improves the sound timbre that disc machine sowing is released.

Further, the machine core includes turntable pedestal, sound arm pedestal, turntable, sound arm, driving device, sound arm and loudspeaking Device electrical connection, driving device is for driving turntable to rotate；

The turntable is mounted on turntable pedestal, and sound arm is mounted on sound arm pedestal, and the height of turntable pedestal is lower than sound arm The height of pedestal, turntable pedestal and the stepped connection of sound arm pedestal.

When user listens disc using disc machine, disc is placed on turntable, driving device drives turntable rotation, with The rotation of turntable, sound arm read the sound that is recorded on disc, and the loudspeaker by being connected electrically is by read sound Amplification, allows user to hear sound.

It is stepped between turntable pedestal and sound arm pedestal in order to adapt to the difference in height between turntable pedestal and sound arm pedestal Connection.Stepped connection can may be used also between turntable pedestal and sound arm pedestal to avoid turntable is influenced in the installation of turntable pedestal So that turntable pedestal, sound arm pedestal, the location layout of recess are more reasonable.

Further, the turntable pedestal is equipped with nosing, and the lower surface of the nosing is connected to the edge of recess；The sound The lower surface of arm pedestal part edge is connected to the edge of recess；The bottom of the recess is lower than the height of turntable pedestal.

The turntable pedestal for being mounted with turntable and the sound arm pedestal for being mounted with sound arm are not that direct seat is placed in recess and abuts The bottom of recess, and be suspended in recess.The edge of recess is abutted by the lower surface of nosing set by turntable pedestal, and The lower surface of sound arm pedestal part edge abuts the edge of recess, and turntable pedestal may be implemented and sound arm pedestal is suspended in recess It is interior.

Turntable pedestal and sound arm pedestal are suspended in recess, can form suspension structure system.When turntable rotation when, institute The suspension structure system of formation is adapted to shake brought by turntable rotation, so that turntable pedestal and sound arm pedestal may be at Stable state is conducive to sound arm and gets the stable sound of sound quality when reading the disc on turntable.

Further, the side wall of the recess is equipped with stepped part, rank in the position that concave edges are abutted with nosing lower surface The upper surface in terraced portion is equipped with the first pin hole, and the lower surface of nosing is equipped with and mutually matched first pin shaft of the first pin hole；

The side wall of the recess is equipped with the second pin in the position that concave edges are abutted with sound arm pedestal part rim under surface The lower surface in hole, sound arm pedestal is equipped with and mutually matched second pin shaft of the second pin hole.

It is inserted under the first pin hole, sound arm pedestal set by stepped part upper surface by the first pin shaft set by nosing lower surface Second pin hole set by the insertion recess inner wall of second pin shaft set by surface, can limit turntable pedestal, sound arm pedestal vertical It is moved in the plane of pin shaft.When turntable is in rotation, turntable pedestal and sound arm pedestal may be at fixed state, make sound arm It can continue normally to read the disc on turntable.

Preferably, elastic component is equipped in first pin hole and/or the second pin hole.

Under the action of the warpage and sound arm of disc itself, turntable will appear shaking in rotation, and elastic component has The stability of disc machine sound quality can be improved in the effect of bumper and absorbing shock.

Further, the driving device includes motor, motor shaft, drum, belt, passes through motor between motor and drum Axis connection is driven between drum and turntable by belt, and the recess is equipped with hollow out in the corresponding position of motor.

Motor drives rotating drum by motor shaft, is driven between drum and turntable by belt, drives the rotation of turntable. The setting of drum can guarantee that belt middle has certain tensile force, guarantee to take off during belt drives turntable rotation It falls, skid, can also allow belt edge that there is lesser tensile force, the service life for avoiding belt edge tearing, cutting down belt.

Recess is equipped with hollow out in the corresponding position of motor, is conducive to the timely heat dissipation of motor at work, improves motor Operating ambient temperature extends the service life of motor.

Further, the machine core further includes revolving speed driving switch and/or revolving speed vernier knob, revolving speed driving switch and/ Or revolving speed vernier knob is separately positioned on cabinet or machine core, revolving speed driving switch and/or revolving speed vernier knob respectively with motor Electrical connection.

Vinyl record is generally by three kinds of rated rotational frequencies: 33 revs/min, 45 revs/min, 78 revs/min.Revolving speed is faster, generation Table available more Multi-audio-frequency in one minute, tone color is more careful, dynamic is bigger, but also representative more fast-turn construction is complete, and disc holds It measures relatively small.In order to allow disc machine to be suitable for the vinyl record of three kinds of rated rotational frequencies simultaneously, it is arranged on sound arm pedestal Revolving speed driving switch, gear include at least the corresponding gear of three kinds of rated rotational frequencies.User is in the vinyl record for listening different rotating speeds The revolving speed of turntable can be controlled by control revolving speed driving switch.

When influencing sound quality when the revolving speed of user's discovery turntable is undesirable, it can be arranged by control in sound arm pedestal On revolving speed vernier knob, the revolving speed of turntable is adjusted, to reach best sound quality.

Further, the machine core further includes the recording device being electrically connected to each other, recording switching switch；

The recording device is electrically connected with motor, when recording, which switches switch, opens, is recorded if motor is working Device recorded voice, recording device plays recorded sound if motor stops working.

If the user desired that disc has been played or disc is in playing process when accidental interruption, the sound of disc machine is not It interrupts, then can open recording switching switch.When recording, which switches switch, opens, if disc is being played with turntable rotation When, recording switching device records sound；If turntable stops operating, recording switching device plays recorded sound.

Further, the sound arm includes armed lever, a variety of stylus, the stylus switching device for switching stylus type, sound Arm pedestal is flexibly connected with the first end of armed lever, and the second end of armed lever is arranged in stylus, stylus switching device.

Sound arm pedestal is flexibly connected with the first end of armed lever, be arranged in armed lever the second end stylus can contact or from Open the disc on turntable.

General stylus needle point can be divided into round needle point, oval needle point, three kinds of hyperelliptic shape needle point.The groove of disc The V-shaped an angle of 90 degrees of shape, round needle point can not touch the bottommost of groove, but be easily adjusted the opposite of needle point and disc Position is more suitable for naive user；Shape that is oval then being closer to groove can touch the groove of subtleer more bottom, The sound details picked up is more far richer than round needle point, and result of broadcast is better than round needle point；Hyperelliptic shape needle point obtains edge It is thinner, high frequency can be better contacted with and obtain groove, but oval needle point and hyperelliptic needle point be due to too thin, so being easier The problems such as generating noise, abrasion, positioning.Moreover, long-playing record, single side disc, two-sided disc have different requirements to stylus. In the second end of sound arm, a variety of stylus and stylus switching device are set, can be flexibly adapted to different user demand and Different types of disc.

Further, the sound arm is additionally provided with the magnifying glass for observing stylus syringe needle.

It, can be in order to the abrasion condition of user's observation stylus by the way that the magnifying glass of sound arm is arranged in.When user passes through amplification Sem observation then needs to replace stylus in time when more serious to stylus abrasion, avoids leading to disc machine sound because of stylus serious wear Matter decline.

Compared with prior art, the beneficial effect of technical solutions of the utility model is:

(1) machine core of loudspeaker and disc machine is integrated by cabinet, machine core seat board, user is using disc machine When do not need external speaker or earphone, and recess is set in machine core seat board and machine core is placed in recess, is set in cabinet Partition is set, core base plate, partition, box inside wall can be made to be formed together the smoother organ for resonance of inner wall, is reduced The generation of noise, make disc machine sowing release sound it is round and mellow, it is textured, have penetration power；

(2) machine core, which is suspended in recess, forms suspension structure system, and machine core can be made to be in when turntable rotation Stable state is conducive to sound arm and gets the stable sound of sound quality when reading the disc on turntable；

(3) it is connected by way of pin shaft between machine core seat board and machine core, the movement of machine core can be limited, and in sound arm Play the role of bumper and absorbing shock when reading the disc on turntable；

(4) vinyl record of different rotating speeds is adapted to by revolving speed driving switch and/or revolving speed vernier knob disc machine, It is adapted to different types of vinyl record by the way that a variety of stylus and stylus switching device are arranged, it, can be with by the way that magnifying glass is arranged The abrasion condition of stylus is observed, more serious stylus is worn in replacement in time.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model embodiment.

Fig. 2 is another structural schematic diagram of the utility model embodiment.

Fig. 3 is the structural decomposition diagram of the utility model embodiment.

Fig. 4 is the machine core seat board schematic diagram of the utility model embodiment.

Fig. 5 is the motor enlarged drawing of the utility model embodiment.

Illustrate: 100. cabinets；111. the first opening；112. the second opening；113. third is open；121. loudspeaker；122. Loudspeaker control panel；130. partition；140. holding item；200. machine core seat boards；210. recess；211. stepped part；212. first pins Hole；213. second pin holes；300. machine core；310. turntable pedestals；311. nosing；312. through-hole；320. sound arm pedestals；321. fixed Frame mounting groove；330. turntable；340. sound arms；351. first pin shafts；352. second pin shafts；341. armed lever；342. stylus； 361. Revolving speed driving switch；362. revolving speed vernier knobs；370. inner hole fixed frames；381. motor；382. motor shaft；383. drum； 400. top cover；410. top cover hollow outs；420. hinge；430. connector.

Specific embodiment

The attached figures are only used for illustrative purposes and cannot be understood as limitating the patent；

In order to better illustrate this embodiment, the certain components of attached drawing have omission, zoom in or out, and do not represent actual product Size；

To those skilled in the art, it is to be understood that certain known features and its explanation, which may be omitted, in attached drawing 's.

In the description of the present invention, it should be understood that term " first ", " second " are used for description purposes only, and It cannot be understood as indicating or implying relative importance or imply the quantity of indicated technical characteristic." first " that limits as a result, One or more of the features can be expressed or be implicitly included to the feature of " second ".It removes in the description of the present invention, Non- to be otherwise noted, the meaning of " plurality " is two or more.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, be also possible to be indirectly connected with by intermediary, it can be with Say the connection inside two elements.For the ordinary skill in the art, it can understand that above-mentioned term exists with concrete condition The concrete meaning of the utility model.

The technical solution of the utility model is described further with reference to the accompanying drawings and examples.

Embodiment

As shown in Fig. 1 ~ Fig. 3, a kind of disc machine, including cabinet 100, loudspeaker 121, machine core seat board 200, machine core 300, case Body 100 is equipped with the first opening 111 and the second opening 112, and the first opening 111 is located at side, bottom surface or the top surface of cabinet 100, the Two openings 112 are located at the top surface of cabinet 100, and the setting of loudspeaker 121 is in the first opening 111 and is electrically connected with machine core 300, core base The setting of plate 200 is in the second opening 112, and machine core seat board 200 is equipped with and the mutually matched recess 210 of machine core 300, machine core 300 are placed In recess 210.

Loudspeaker 121 is electrically connected with machine core 300, and machine core 300 passes through loudspeaker 121 after reading the sound that disc is recorded Sound is amplified, user is allow not have to disc machine external speaker or earphone can hear sound.

Since the lower surface of machine core 300 is rough, so second opening, the 112 setting machine set by cabinet 100 Core print seat plate 200 and machine core 300 are placed in recess 210 set by machine core seat board 200 position that can not only fix machine core 300 Set, it is also possible that the inner wall of relatively smooth 200 lower surface of machine core seat board and cabinet 100 be formed together an inner wall compared with Smooth organ for resonance, sound wave carry out the propagation and reflection of rule in the smooth internal walls of the organ for resonance, generate frequency and relatively advise Sound wave then makes user hear less noise, and the frequency of produced sound wave can tend to unanimously, generate in organ for resonance Sympathetic response allows user to hear sound that is round and mellow, having texture, have penetration power.

Preferably, the material of the cabinet 100 is timber.In order to allow sound wave sufficiently to be reflected in organ for resonance, altogether Tymapanum body needs to be made of hard elastic material, and timber is a kind of hard elastic material and more common, therefore preferably Using timber.

Preferably, second opening 112 is additionally provided with loudspeaker control panel 122, and the loudspeaker control panel 122 is set There are volume adjustment knob, song select button, pause broadcast button, beginning broadcast button etc..

User can control the size that loudspeaker 121 is made a sound by volume adjustment knob, be pressed by song selection Button selects currently playing song, suspends the broadcasting of current disc by suspending broadcast button, is started by starting broadcast button Carry out disc broadcasting.

In the specific implementation process of the present embodiment, the first opening 111 is two, and loudspeaker 121 is for two and right respectively Two first openings 111 should be set.The centre of two loudspeakers 121 is arranged in loudspeaker control panel 122.

In the specific implementation process of the present embodiment, the edge of the second opening 112, which is equipped with, holds item 140, and machine core seat board 200 It holds on holding item 140.Machine core seat board 200 can be bolted with item 140 is held, and machine core seat board 200 is fixed on the of cabinet 100 In two openings 112.

Preferably, the cabinet 100 is additionally provided with third opening 113, and the third opening 113 is used to be arranged and machine core 300 The interface of electrical connection, by the external other stereo sets of interface, machine core 300 read after the sound that disc is recorded except through Loudspeaker 121 can also be amplified sound by other stereo sets.

In the present embodiment, partition 130 is equipped in the cabinet 100, partition 130 and the first 111 place planes of opening are flat The inside of cabinet 100 is separated into two cavitys by row, partition 130.

Since the surface of loudspeaker 121 set by the first opening 111 is also rough, so being arranged parallel to first The inside of cabinet 100 is separated into two cavitys by the partition 130 for the 111 place planes that are open.One cavity is by loudspeaker 121 Surface, cabinet 100 the relatively rough cavity of an inner wall that is formed together of inner wall, partition 130, machine core seat board 200；Separately One cavity is the chamber for an inner wall relative smooth being formed together by the inner wall, partition 130, machine core seat board 200 of cabinet 100 Body, the cavity can be further reduced the generation of noise as organ for resonance, improve the sound timbre that disc machine sowing is released.

In the present embodiment, the machine core 300 include turntable pedestal 310, sound arm pedestal 320, turntable 330, sound arm 340, Driving device, sound arm 340 are electrically connected with loudspeaker 121, and driving device is for driving turntable 330 to rotate；

The turntable 330 is mounted on turntable pedestal 310, and sound arm 340 is mounted on sound arm pedestal 320, turntable pedestal 310 Height be lower than the height of sound arm pedestal 320, turntable pedestal 310 and the stepped connection of sound arm pedestal 320.

When user listens disc using disc machine, disc is placed on turntable 330, driving device drives 330 turns of turntable Dynamic, with the rotation of turntable 330, sound arm 340 reads the sound recorded on disc, and the loudspeaker by being connected electrically 121 or other stereo sets read sound is amplified, so that user is heard sound.

In order to adapt to the difference in height between turntable pedestal 310 and sound arm pedestal 320, turntable pedestal 310 and sound arm pedestal 320 Between stepped connection.Stepped connection can turn between turntable pedestal 310 and sound arm pedestal 320 to avoid turntable is influenced The installation of dish platform seat 310, it is also possible that turntable pedestal 310, sound arm pedestal 320, the location layout of recess 210 are more reasonable.

In the present embodiment, the turntable pedestal 310 is equipped with nosing 311, and the lower surface of the nosing 311 is connected to recess 210 edge；

The lower surface of 320 part edge of sound arm pedestal is connected to the edge of recess 210.

The turntable pedestal 310 for being mounted with turntable 330 and the sound arm pedestal 320 for being mounted with sound arm 340 are not that direct seat is placed on Recess 210 is interior and abuts the bottom of recess 210, and is suspended in recess 210.Pass through nosing 311 set by turntable pedestal 310 Lower surface abut recess 210 320 part edge of edge and sound arm pedestal lower surface abut recess 210 edge, can To realize that turntable pedestal 310 and sound arm pedestal 320 are suspended in recess 210.

Turntable pedestal 310 and sound arm pedestal 320 are suspended in recess 210, can form suspension structure system.Work as turntable 330 in rotation, is formed by suspension structure system and is adapted to turntable 330 and rotates brought shaking, so that turntable pedestal 310 and sound arm pedestal 320 may be at stable state, be conducive to sound arm 340 read turntable 330 on disc when get The stable sound of sound quality.

As shown in Figure 3, Figure 4, in the present embodiment, the side wall of the recess 210 is in the case where being recessed 210 edges and nosing 311 The position that surface abuts is equipped with stepped part 211, and the upper surface of stepped part 211 is equipped with the first pin hole 212, the lower surface of nosing 311 Equipped with mutually matched first pin shaft 351 of the first pin hole 212；

The side wall of the recess 210 is set in the position that 210 edges are abutted with 320 part edge lower surface of sound arm pedestal that is recessed There is the second pin hole 213, the lower surface of sound arm pedestal 320 is equipped with and mutually matched second pin shaft 352 of the second pin hole 213.

The first pin hole set by 211 upper surface of stepped part is inserted by the first pin shaft 351 set by 311 lower surface of nosing 212, the second pin hole 213 set by 210 inner walls of the insertion of the second pin shaft 352 set by 320 lower surface of sound arm pedestal recess, can limit Turntable pedestal 310 processed, sound arm pedestal 320 move in the plane perpendicular to pin shaft.When turntable 330 rotation when, turntable pedestal 310 and sound arm pedestal 320 may be at fixed state, allow sound arm 340 to continue normally to read singing on turntable 330 Piece.

In the specific implementation process of the present embodiment, 210 side walls of recess are in 210 edges and 320 part of sound arm pedestal of being recessed The position that rim under surface abuts is equipped with multiple the second uniformly distributed pin holes 213, and the lower surface of sound arm pedestal 320 is equipped with multiple with the Mutually matched second pin shaft 352 of two pin hole 213.Multiple second pin holes 213 and the second pin shaft 352 can be enhanced to sound arm pedestal 320 displacement limitation.

Preferably, elastic component is equipped in first pin hole 212 and/or the second pin hole 213.

Under the action of the warpage and sound arm 340 of disc itself, turntable 330 will appear shaking in rotation, elasticity Part has the function of bumper and absorbing shock, and the stability of disc machine sound quality can be improved.

As shown in figs. 3 and 5, in the present embodiment, the driving device include motor 381, motor shaft 382, drum 383, Belt is connected between motor 381 and drum 383 by motor shaft 382, is driven between drum 383 and turntable 330 by belt, The recess 210 is equipped with hollow out in the corresponding position of motor 381.

Motor 381 drives drum 383 to rotate by motor shaft 382, is driven between drum 383 and turntable 330 by belt, Drive the rotation of turntable 330.The setting of drum 383 can guarantee that belt middle has certain tensile force, guarantee that belt drives Turntable 330 will not fall off during rotating, skid, and belt edge can also be allowed to have lesser tensile force, avoid belt side Edge tearing, the service life for cutting down belt.

Recess 210 is equipped with hollow out in the corresponding position of motor 381, is conducive to the timely heat dissipation of motor 381 at work, changes The operating ambient temperature of kind motor 381, extends the service life of motor 381.

In the specific implementation process of the present embodiment, motor 381 is arranged below turntable pedestal 310, and the setting of drum 383 exists 310 top of turntable pedestal, turntable pedestal 310 are equipped with through-hole 312, and motor shaft 382 can pass through through-hole 312 and connect 381 He of motor Drum 383.

In the present embodiment, the machine core 300 further includes revolving speed driving switch 361 and revolving speed vernier knob 362, revolving speed shelves Bit switch 361 is arranged on sound arm pedestal 320, and revolving speed vernier knob 362 is arranged on loudspeaker control panel 122, revolving speed shelves Bit switch 361 and revolving speed vernier knob 362 are electrically connected with motor 381 respectively.

Vinyl record is generally by three kinds of rated rotational frequencies: 33 revs/min, 45 revs/min, 78 revs/min.Revolving speed is faster, generation Table available more Multi-audio-frequency in one minute, tone color is more careful, dynamic is bigger, but also representative more fast-turn construction is complete, and disc holds It measures relatively small.In order to allow disc machine to be suitable for the vinyl record of three kinds of rated rotational frequencies simultaneously, set on sound arm pedestal 320 Revolving speed driving switch 361 is set, gear includes at least the corresponding gear of three kinds of rated rotational frequencies.User sings in the black glue for listening different rotating speeds The revolving speed of turntable 330 can be controlled when piece by control revolving speed driving switch 361.

When influencing sound quality when the revolving speed of user's discovery turntable 330 is undesirable, it can be arranged by control in sound arm Revolving speed vernier knob 362 on pedestal 320 adjusts the revolving speed of turntable 330, to reach best sound quality.

In the present embodiment, the machine core 300 further includes the recording device being electrically connected to each other, recording switching switch；

The recording device is electrically connected with motor 381, when recording, which switches switch, opens, if motor 381 is working Then recording device recorded voice, recording device plays recorded sound if motor 381 stops working.

If the user desired that disc has been played or disc is in playing process when accidental interruption, the sound of disc machine is not It interrupts, then can open recording switching switch.When recording, which switches switch, opens, if disc is being broadcast with the rotation of turntable 330 When putting, recording switching device records sound；If turntable 330 stops operating, recording switching device plays recorded sound.

In the present embodiment, the sound arm 340 includes armed lever 341, a variety of stylus 342, for switching 342 type of stylus 342 switching device of stylus, sound arm pedestal 320 are flexibly connected with the first end of armed lever 341, stylus 342, the switching dress of stylus 342 Install the second end in armed lever 341.

Sound arm pedestal 320 is flexibly connected with the first end of armed lever 341, and the stylus 342 of 341 the second end of armed lever is arranged in It can contact or leave the disc on turntable 330.

In the specific implementation process of the present embodiment, the first end of armed lever 341 is proximate to one end of loudspeaker, armed lever 341 the second end is one end far from loudspeaker.

General 342 needle point of stylus can be divided into round needle point, oval needle point, three kinds of hyperelliptic shape needle point.Disc The V-shaped an angle of 90 degrees of groove shape, round needle point can not touch the bottommost of groove, but be easily adjusted needle point and disc Relative position is more suitable for naive user；Shape that is oval then being closer to groove can touch the ditch of subtleer more bottom Slot, the sound details picked up is more far richer than round needle point, and result of broadcast is better than round needle point；Hyperelliptic shape needle point obtains side Edge is thinner, can better contact with high frequency and obtain groove, but oval needle point and hyperelliptic needle point be due to too thin, so comparing appearance The problems such as being also easy to produce noise, abrasion, positioning.Moreover, long-playing record, single side disc, two-sided disc have to stylus 342 it is different It is required that.A variety of stylus 342 and 342 switching device of stylus are set in the second end of sound arm 340, difference can be flexibly adapted to The demand of user and different types of disc.

In the present embodiment, the sound arm 340 is additionally provided with the magnifying glass for observing 342 syringe needle of stylus.

In the specific implementation process of the present embodiment, the second end of armed lever 341 is arranged in magnifying glass.

It, can be in order to the abrasion condition of user's observation stylus 342 by the way that the magnifying glass of sound arm 340 is arranged in.When user is logical It crosses and then needs to replace stylus 342 in time when amplification sem observation wears more serious to stylus 342, avoid wearing because of stylus 342 sternly Disc machine sound quality is caused to decline again.

Preferably, the magnifying glass can be with folding retractable.When user needs to check the abrasion condition of stylus 342, will put Big mirror stretches out；When the abrasion condition that user needs to listen disc without checking stylus 342, magnifying glass is folded up, In order to avoid magnifying glass interference stylus 342 reads the sound that disc is recorded.

As shown in Fig. 1 ~ Fig. 3, it is preferable that the disc machine further includes top cover 400, top cover 400 have the function of it is dust-proof, can To protect the not sensitive for damages of machine core 300.

It is flexibly connected between top cover 400 and cabinet 100 by hinge 420.Pass through between top cover 400 and machine core seat board 200 Connector 430 is flexibly connected.

Top cover 400 is equipped with top cover hollow out 410, and top cover hollow out 410 is in rectangle with rounded corners, and hand can be protruded into top cover by user The opening and closing that top cover 400 carries out top cover 400 are held in hollow out 410.

Preferably, the disc machine further includes inner hole fixed frame 370, and fixed frame peace is additionally provided on the sound arm pedestal 320 Put slot 321.The inner hole aperture of different discs can not be identical.When listening the disc in different inner hole apertures, inner hole fixed frame 370 is put It sets in the center of turntable 330, the position of disc can be fixed, disc is avoided to move on turntable 330；Do not listen disc when It waits, inner hole fixed frame 370 is placed on fixed frame mounting groove 321, so that inner hole fixed frame 370 is not easy to be lost.

The same or similar label correspond to the same or similar components；

Positional relationship is described in attached drawing only for illustration, should not be understood as the limitation to this patent；

Obviously, the above embodiments of the present invention is merely examples for clearly illustrating the present invention, and It is not limitations of the embodiments of the present invention.For those of ordinary skill in the art, in above description On the basis of can also make other variations or changes in different ways.There is no need and unable to give all embodiments Exhaustion.Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention etc., should be included in Within the protection scope of the utility model claims.

Claims (10)

1. a kind of disc machine, which is characterized in that including cabinet, loudspeaker, machine core seat board, machine core, cabinet be equipped with the first opening and Second opening, the first opening are located at side, bottom surface or the top surface of cabinet, and the second opening is located at the top surface of cabinet, loudspeaker setting It is open first and is electrically connected with machine core, the setting of machine core seat board is equipped with recess in the second opening, machine core seat board, and machine core is placed on recessed In falling into.

2. disc machine according to claim 1, which is characterized in that be equipped with partition, partition and the first opening in the cabinet Place plane is parallel, and the inside of cabinet is separated into two cavitys by partition.

3. disc machine according to claim 1, which is characterized in that the machine core includes turntable pedestal, sound arm pedestal, turns Disk, sound arm, driving device, sound arm are electrically connected with loudspeaker, and driving device is for driving turntable to rotate；

The turntable is mounted on turntable pedestal, and sound arm is mounted on sound arm pedestal, and the height of turntable pedestal is lower than sound arm pedestal Height, turntable pedestal and the stepped connection of sound arm pedestal.

4. disc machine according to claim 3, which is characterized in that the turntable pedestal is equipped with nosing, under the nosing Surface is connected to the edge of recess；The lower surface of the sound arm pedestal part edge is connected to the edge of recess；The recess Bottom is lower than the height of turntable pedestal.

5. disc machine according to claim 4, which is characterized in that the side wall of the recess is in concave edges and nosing following table The position that face abuts is equipped with stepped part, and the upper surface of stepped part is equipped with the first pin hole, and the lower surface of nosing is equipped with and the first pin hole Mutually matched first pin shaft；

The side wall of the recess is equipped with the second pin hole, sound in the position that concave edges are abutted with sound arm pedestal part rim under surface The lower surface of arm pedestal is equipped with and mutually matched second pin shaft of the second pin hole.

6. disc machine according to claim 3, which is characterized in that the driving device include motor, motor shaft, drum, Belt is driven between drum and turntable by belt by motor axis connection between motor and drum, and the recess is in motor pair The position answered is equipped with hollow out.

7. disc machine according to claim 6, which is characterized in that the machine core further includes revolving speed driving switch and/or turns Fast vernier knob, revolving speed driving switch and/or revolving speed fine tuning rotation be separately positioned on cabinet or machine core, revolving speed driving switch and/ Or revolving speed vernier knob is electrically connected with motor respectively.

8. disc machine according to claim 1, which is characterized in that the machine core further includes the recording dress being electrically connected to each other It sets, switching switch of recording；

The recording device is electrically connected with motor, when recording, which switches switch, opens, the recording device if motor is working Recorded voice, recording device plays recorded sound if motor stops working.

9. according to the described in any item disc machines of claim 3-7, which is characterized in that the sound arm include armed lever, a variety of stylus, For switching the stylus switching device of stylus type, sound arm pedestal is flexibly connected with the first end of armed lever, stylus, stylus switching The second end of armed lever is arranged in device.

10. according to the described in any item disc machines of claim 3-7, which is characterized in that the sound arm is additionally provided with to be sung for observing The magnifying glass of needle syringe needle.