CN2821779Y - Optical disc player - Google Patents

Abstract

The utility model relates to an optical-disc player, which comprises a base, a main-body unit used for achieving the purpose of optical-disc information record or reappearance, a cover body and at least one switch, wherein the base is provided with a containing part used for containing an optical disc, the main-body unit can be contained in the base and is provided with a driving device used for driving the optical disc, the cover body can be movably connected with the base, the switch is positioned in the base and is actuated by the cover body, and the switch is electrically connected with the driving device of the main-body unit.

Description

Disc player

[technical field]

The utility model is about a kind of Disc player, especially a kind of cover-lifting type Disc player.

[background technology]

Information recording/reproducer is to adopt magnetic or optical principle that data message is recorded on the recording medium and/or reads the device that is recorded in the information on the recording medium.Disc player adopts laser beam to read/recorded information exactly, and it can be connected use with computing machine, also can use as audio-visual devices separately.

Disc player according to its change that sheet mode can be divided into roughly that the pallet level is telescopic, suction-type and cover-lifting type three classes.The telescopic Disc player of pallet level uses the most extensive, and it adopts the pallet carrying disc, and by gearing this pallet is stretched out/is retracted in the Disc player.The slot-in-type disk player adopts adsorbent equipment CD to be sucked/eject CD player, and it mainly is used on the vehicles such as the automobile.The accommodation chamber of CD is then closed or appear to the cover-lifting type Disc player by turnover lid.

The cover-lifting type Disc player generally includes a pedestal, an electronic installation and is renovated, and wherein this electronic installation is contained in this pedestal.The end face of this pedestal is provided with a CD rest area that caves inward, with holding optical disk.This is renovated by hinge device and is fixed in this CD rest area one side to cover or to manifest this CD rest area.One headstock gear is arranged at this pedestal simultaneously and this is renovated, and renovates and makes it to be in opening this is renovated be fastened on to make it to be in closed condition on this pedestal or discharge this certainly on this pedestal.

When CD is put into Disc player, at first start headstock gear, make it discharge this and renovate, renovate by the hinge device back that flips an angle and arrive the open site, thereby manifest this CD rest area.Then, CD is put into this CD rest area.Subsequently, push this to this pedestal direction and renovate, it is covered on the CD rest area and by headstock gear is fixed on this pedestal, thereby this is renovated and presents closed condition.

In Disc player when work,, CD is closed between this pedestal and this renovate.This electronic installation has a spindle motor and an optical take-up apparatus.The optical disk high-speed rotation that this spindle motor drive is fixed thereon also detects the laser beam realization recoding/reproduction information of returning from CD thereby optical take-up apparatus produces laser beam to CD.The process of taking out CD from Disc player is with above-mentioned that CD is put into the process of this Disc player is identical.

From the above, cover-lifting type Disc player, saving space simple in structure with respect to suction-type and the telescopic Disc player of pallet level.Therefore, be widely used on compact disk player such as mini, the portable light disc player.Yet this cover-lifting type Disc player exists potential safety hazard.For example, open when renovating with the taking-up CD, Spindle Motor and upward fixing CD thereof might still be in the high speed rotating state.CD is very thin and the edge is very sharp, if the user especially child when CD does not stop the rotation fully, hand stretched into and just is easy in the Disc player be scratched.So the cover-lifting type Disc player need have security well to prevent that the user is injured in use.

[summary of the invention]

In view of this, provide the good Disc player of a kind of security performance real for necessary.

A kind of Disc player, it comprises that a pedestal, is used to realize main unit, a lid and at least one switch of optical disc information recoding/reproduction, this pedestal has a resettlement section that is used to accommodate a CD, this main unit is contained in this pedestal and has a drive unit that is used to drive this CD, this lid movably is connected on this pedestal, this switch is positioned at this pedestal and is activated by this lid, and the drive unit of this switch and this main unit electrically connects.

Compared with prior art, Disc player of the present utility model adopts one to be detected the position of lid automatically by the switch that this lid activated, and with the drive unit electric connection of this switch and this main unit.Thereby can begin according to the position control driving device of this lid and quit work, thereby avoided lid in the prior art to be opened and phenomenon that drive unit stops operating not yet, prevented the situation that the user does not stop operating yet and is scratched because of drive unit effectively.

[description of drawings]

Fig. 1 is the exploded view that adopts Disc player of the present utility model.

Fig. 2 is the partial enlarged drawing of Disc player shown in Figure 1.

Fig. 3 is the stereographic map of the lid of Disc player shown in Figure 1.

Fig. 4 is the stereographic map of first switch of Disc player shown in Figure 1.

Fig. 5 is the synoptic diagram of the lid of this Disc player when opening.

[embodiment]

See also Fig. 1, a Disc player 10 comprises a main unit 12, a pedestal 13, a lid 14.Main unit 12 comprises that the CD that a spindle motor 120 is fixed thereon with drive (figure does not show) rotation, a pickup unit 122 are with record/read an information and a printed circuit board (PCB) 124.Wherein, spindle motor 120 and pickup unit 122 are electrically connected with printed circuit board (PCB) 124 respectively.Pedestal 13 is a hollow housing, and it comprises a upper shell 17 and a lower house 18, and the two engaging can form a spatial accommodation (figure does not show), and main unit 12 promptly is contained in this spatial accommodation.Disc player 10 also comprises a coupling arrangement 15 (referring to Fig. 5) and a locking device 16, so that lid is movably secured on the pedestal 13.This coupling arrangement 15 comprises first, second connecting portion 52,54, and the two is arranged at respectively on pedestal 13 and the lid 14.Locking device 16 can match with the front end of lid 14, to lock it on the pedestal 13 or discharge the front end of lid 14 on pedestal 13, closes, opens two states thereby make lid 14 to be in.

Upper shell 17 is rectangular structures and have a upper surface 70 substantially, and locking device 16 is mounted on the leading section (indicating) of upper surface 70.The middle part of upper surface 70 is recessed to form a CD resettlement section 72 downwards to hold the CD of putting into Disc player.First connecting portion 52 of coupling arrangement 15 is arranged at the rearward end (not indicating) of CD resettlement section 72.CD resettlement section 72 has a subcircular bottom surface 720 and around the sidewall 722 of bottom surface 720.One side of bottom surface 720 offers an opening 724, and the top of spindle motor 120 is passed opening 724 and entered in the CD resettlement section 72, thereby the CD that is positioned in the CD resettlement section 72 can be fixed on the spindle motor 120.

Please together consult Fig. 2, the bottom surface 720 of CD resettlement section 72 is recessed to the spatial accommodation of pedestal 13 with the adjoining position of locking device 16, thereby forms a depression 726, and locking device 16 can stretch to from the below of sidewall 722 in the depression 726.Bottom surface 720 is respectively equipped with a through hole 728,729 at its front and back ends, and is positioned at the through hole 728 and depression 726 adjacent settings of front end.

See also Fig. 3, lid 14 can be covered on the CD resettlement section 72, and it has a subcircular end face 40 and a side 42 around the vertical extension of end face 40 excircles.End face 40 has one with pedestal 13 interior surface opposing (indicate) and along first, second protruded stigma 48,49 of the vertical extension of this inside surface.First, second protruded stigma 48,49 is arranged at the forward and backward both sides of lid 14 respectively and is oppositely arranged with two through holes 728,729 of upper shell 17.Side 42 with the depression 726 corresponding positions of upper shell 17 on be provided with a buckling piece 46.The rear side that second connecting portion 44 of coupling arrangement 15 is arranged at lid 14 to be cooperating with first connecting portion 42 that is arranged at 72 rear ends, CD resettlement section, thereby lid 14 is fixed on the upper shell 17 turningly.

Once more referring to Fig. 1, this Disc player 10 also has a safety feature 19 with the startup of the position of detecting lid 14 and control spindle motor 120 and stop.Safety feature 19 is arranged on the printed circuit board (PCB) 124, and it comprises first, second switch 92,94, and the two and spindle motor 120 are positioned on the same series circuit.First, second switch 92,94 is distributed in the forward and backward both sides of printed circuit board (PCB) 124, and is oppositely arranged with the through hole 728,729 of the CD resettlement section 72 of upper shell 17.Please together referring to Fig. 4, first switch 92 is a touch-pressure switch, and it has one first and presses portion 920.First press that portion 920 is arranged under the through hole 728 or part deeply to through hole 728.Second switch 94 also is a touch-pressure switch and has the structure identical with first switch 92, as has one second and press portion's (indicating).This second portion of pressing be arranged in through hole 729 under or part deeply to through hole 729.First, second switch 92,94 is off-state under state of nature, press first to be closure state when portion 920 and this second portion of pressing are subjected to downward pressure.

When one CD is put into Disc player 10, start locking device 16 and make it discharge lid 14, lid 14 upwards overturns to manifest CD resettlement section 72 gradually under the effect of coupling arrangement 15.This CD is positioned on the CD resettlement section 72, and pushes lid 14 downwards.Rotate in the process at lid 14, be arranged in the portion that presses that second protruded stigma 49 of lid 14 rear sides at first inserts the through hole 729 of upper shell 17 and pushes second switch 94.When pressure reached preset value, second switch 94 transferred closure state to from off-state.Lid 14 continues to rotate up to the buckling piece 46 of locking device 16 with lid 14 and is interlocked, and is arranged in the portion that presses 920 that first protruded stigma 48 of lid 14 front sides also can insert the through hole 728 of upper shell 17 thereupon and push first switch 92.In like manner, when pressure reached preset value, first switch 94 transferred closure state to from off-state.At this moment, the series circuit conducting that first, second switch 92,94 and spindle motor are 120, spindle motor 120 begins rotation with record/read information.

See also Fig. 5, when taking out this CD from Disc player 10, start locking device 16 once more and make it discharge lid 14, lid 14 is upwards upset once more under the effect of coupling arrangement 15.Because the front that first protruded stigma 48 is arranged at lid 14 is along last, therefore when lid 14 is opened during upset, very small angles of lid 14 rotations, first protruded stigma 48 acts on the pressure that first of first switch 92 presses in the portion 920 and just has bigger reducing.Therefore, when still being a very little angle between the bottom surface 720 of lid 14 and CD resettlement section 72, the pressure that first protruded stigma 48 puts in the portion that presses 920 of first switch 92 will be less than the preset value of first switch 92, and first switch 92 transfers off-state to by closure state.When lid 14 continued upwards to be turned to a certain degree, second protruded stigma 49 also was separated with second switch 94, and second switch 94 also transfers off-state to by closure state.Because first, second switch 92,94 and 120 of spindle motors electrically are connected in series, when first switch 92 transferred off-state to by closure state, this series circuit promptly was disconnected, spindle motor 120 rotation of thereupon stopping.Therefore, can stop spindle motor 120 automatically at the initial stage of renovating unlatching and rotate, thereby avoid the user because of when spindle motor 120 still is in rotary state, stretching into the phenomenon that is scratched in the Disc player 10.

Claims (10)

1. Disc player, it comprises that a pedestal, is used to realize the main unit and a lid of optical disc information recoding/reproduction, this pedestal has a resettlement section that is used to accommodate a CD, this main unit is contained in this pedestal and has a drive unit that is used to drive this CD, this lid movably is connected on this pedestal, it is characterized in that: this Disc player also comprises at least one switch, this switch is positioned at this pedestal and is activated by this lid, and the drive unit of this switch and this main unit electrically connects.

2. Disc player as claimed in claim 1, it is characterized in that: this lid can be in a closed condition to cover this resettlement section fully, also can be in an opening so that small part appears this resettlement section, this switch is activated from the end that closed condition changes into unlatching earlier the opening process by this lid.

3. Disc player as claimed in claim 2, it is characterized in that: this lid is when being pressed in acting force on this touch-pressure switch greater than the pre-seting of this switch, this switch presents closure state, and this acting force is during less than the pre-seting of this switch, and this switch presents off-state.

4. Disc player as claimed in claim 3 is characterized in that: this lid is fixed on this pedestal turningly and covers this resettlement section, and this resettlement section has a through hole, and this switch is provided with over against this through hole.

5. Disc player as claimed in claim 4 is characterized in that: this lid has at least one protruded stigma, and this protruded stigma can insert in the through hole of this resettlement section to push this switch.

6. Disc player as claimed in claim 5, it is characterized in that: this lid has an end face, one side and perpendicular to this end face is positioned at the coupling arrangement of a side to be connected with this pedestal of end face, and this protruded stigma vertically extends and is located at position away from this coupling arrangement from this end face.

7. Disc player as claimed in claim 2 is characterized in that: this Disc player has a main switch and auxiliary switch, and wherein the drive unit of this major and minor switch and this main unit electrically is connected in series, and is all this lid and activates.

8. Disc player as claimed in claim 7, it is characterized in that: this lid this resettlement section relatively moves with covering or appears this resettlement section, this major and minor switch is provided with over against this resettlement section, and this main switch and this resettlement section in end that this lid appears from cover the motion process that appears this resettlement section at first over against, this auxiliary switch and the end that appears at last over against.

9. Disc player as claimed in claim 8 is characterized in that: this lid has first, second protruded stigma and presses this major and minor switch respectively.

10. Disc player as claimed in claim 7 is characterized in that: this Disc player comprises that also a coupling arrangement connects this lid and this pedestal, and wherein this main switch is provided with away from this coupling arrangement, the adjacent setting with this coupling arrangement of this auxiliary switch.

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