CN201773578U - CD (compact disc) reading core with CD clamping mechanism - Google Patents
CD (compact disc) reading core with CD clamping mechanism Download PDFInfo
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- CN201773578U CN201773578U CN2010201356330U CN201020135633U CN201773578U CN 201773578 U CN201773578 U CN 201773578U CN 2010201356330 U CN2010201356330 U CN 2010201356330U CN 201020135633 U CN201020135633 U CN 201020135633U CN 201773578 U CN201773578 U CN 201773578U
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- rotating disk
- reading machine
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Abstract
The utility model discloses a CD reading core with a CD clamping mechanism. The CD clamping mechanism comprises a rotary table for bearing CDs, a positioning lug boss, a centrifugal block, a centrifugal block reset device, and a centrifugal block axially-positioning device capable of enabling the centrifugal block to rotate in parallel to the rotary table; when the rotary table is still, the centrifugal block is accommodated in the outer edge of the positioning lug boss; when the rotary table rotates to reach a pre-set rotating speed, the centrifugal block protrudes out of the outer edge of the positioning lug boss so as to clamp the CD; the centrifugal block is perpendicular to the axial line of the rotary table; the axial line of the pivoted shaft of the centrifugal block is parallel to the axial line of the rotary table; an inclined plane, which is matched with the CD in a clamping manner when the centrifugal block protrudes out of the outer edge of the positioning lug boss, is arranged at a free end of the centrifugal block, which is far from a pivoting position; and the inclined plane faces to the rotary table; the centrifugal block is an eccentric block; and the CD reading core has the advantages that the CDs with different thicknesses can be clamped, the clamping effect is good, the structure is simple, and the cost is low.
Description
Technical field
The utility model relates to a kind of optical disc reading machine core that reads or writes CD, particularly relates to a kind of optical disc clamping mechanism of optical disc reading machine core.
Background technology
The CD that volume is frivolous, with low cost, memory capacity is big can store a large amount of electronic datas, audio and video information etc., has become one of most important storage medium of advanced information society.Read the data on the CD or data are write CD, will cooperate optical disc reading machine core to use.When reading CD, CD reads the position high speed rotating at optical disc reading machine core, and the optical read head of optical disc reading machine core moves and carries out data search operation on the CD.CD needs optical disc clamping mechanism to prevent CD and causes CD to fly off when the optical disc reading machine in-core is rocked or impacts or serious result such as quick-fried under high-revolving state.
As shown in Figure 1, a kind of optical disc reading machine core reads movement for the clamping slot-in-type disk, the optical disc clamping mechanism of this optical disc reading machine core comprises the magnetic holder gripping member 101 of the upper shell (not shown) inboard that is installed in optical disc reading machine core, the rotating disk 102 that is used for carrying disc, protrusion is used to locate the cylindrical positioning boss 103 of CD on CD rotating disk 102, be installed in the magnetic patch or the iron block (not shown) that cooperate with magnetic holder gripping member 101 magnetic in the positioning boss 103, rotating disk 102 is installed in the lower house 104.When reading CD, magnetic holder gripping member 101 cooperates rotating disk 102 to clamp CD.This optical disc clamping mechanism, complex structure, cost height.
As shown in Figure 2, a kind of optical disc reading machine core is the roller inhalation type optical disc reading machine core, the optical disc clamping mechanism of roller inhalation type optical disc reading machine core comprises the lever support 111 that is articulated on the movement lower house 110, be installed in the flexure strip that compresses CD 112 on the lever support 111, the rotating disk 113 that is used for carrying disc, protrusion is used to locate the cylindrical positioning boss 114 of CD on the CD rotating disk, rotating disk 113 is installed in the lower house 110.When reading CD, the flexure strip 112 that compresses CD cooperates rotating disk to clamp CD.This optical disc clamping mechanism, complex structure, cost height, fault are many.
As shown in Figure 3, a kind of is the pellet type optical disc reading machine core, the optical disc clamping mechanism of pellet type optical disc reading machine core comprises the dish cardiac skeleton 122 that is installed on the lower house 121, be installed in the magnetic dish heart holder 123 on the dish cardiac skeleton 122, the rotating disk that is used for carrying disc, protrusion is used to locate the cylindrical positioning boss of CD on the CD rotating disk, be installed in the iron block or the magnetic patch that cooperate with magnetic dish heart holder 123 in the positioning boss, and rotating disk is installed in the lower house 121.When reading CD, magnetic dish heart holder 123 cooperates rotating disk to clamp CD.This optical disc clamping mechanism, complex structure, cost height.
As shown in Figure 4, a kind of optical disc reading machine core is a pallet bearing-type optical disc reading machine core, the optical pickup framework 130 of pallet bearing-type optical disc reading machine core and optical disc clamping mechanism are installed on the pallet 132, optical pickup 131 is installed on the optical pickup framework 130, with pallet 132 motions, optical disc clamping mechanism comprises the rotating disk 133 that is used for carrying disc, protrusion is used to locate the cylindrical positioning boss 134 of CD on CD rotating disk 133, be installed in the Elastic buckle 135 on the sidewall of positioning boss 134.Outside pallet 132 moves to optical disc reading machine core 136, when putting CD, by external force press polish dish CD is placed on the pallet 132 and by Elastic buckle 135 and to keep out; When taking out CD, also be CD to be taken out by the elastic force that external force overcomes Elastic buckle 135.For clamp CD and prevent when reading the rotation of position, optical disk high-speed, not enough because of the elastic force of clamping, CD breaks away from positioning boss, cause CD to fly off or serious consequence such as quick-fried, the elastic force of Elastic buckle can not be too little.Elastic force is big, gets CD and when dish of giving out light, act on the CD and pallet on external force just big, pick and place the CD inconvenience, CD is damaged easily; Particularly pallet protrudes outside optical disc reading machine core, and the external force that acts on the pallet also may be damaged pallet.
Application number is in 03160320.3 the utility model patent, to disclose a kind of CD that prevents and flown off the CD player of structure.This CD player includes a base, a projection and at least one trip.This base is in order to carry a CD; This projection vertically protrudes on this base, is used for protruding in the center hole of CD when carrying disc; Each trip of a plurality of trips is fixed on the projection in rotating mode; Base is a pallet, slidably is installed in the housing of CD player.Wherein when base was static, took in the outer rim of sub-projection the hook part of this trip, and when rotating disk rotated to a desired speed, the hook part of trip then protruded in outside the outer rim of projection, with this CD of clamping; When CD was in the slow-speed of revolution or stops, each was hooked in that CD is in the slow-speed of revolution or when stopping, and with the gravity of itself or the elastic force of elastic device or the magnetic force of magnetisable material each trip was accommodated in the projection, made trip leave CD; When CD was in high-speed state, the centrifugal force that utilizes rotation to be obtained rotated with this CD of clamping each trip, avoids CD to fly off.This utility model adopts centrifugal mode that cooperates with base to come chucking optical disk, read movement though overcome above-mentioned clamping slot-in-type disk, the shortcoming that optical disc clamping mechanism exemplified of roller inhalation type optical disc reading machine core and pellet type optical disc reading machine core, but because trip (just centrifugal) vertically protrudes on this base, the drive-connecting shaft of trip is parallel with base, when reading position base high speed rotating, what rely on the free-ended bottom surface of trip and base cooperates to come chucking optical disk, the shortcoming of this CD player is that the making precision of first trip wants high, distance between free-ended bottom surface of trip and the base is identical with the thickness of CD, if thickness greater than CD, then when reading CD, CD can rock; Second because the distance between the free-ended bottom surface of trip and the base is determined CD that therefore can only the same thickness of clamping, CD that can not the clamping different-thickness; The 3rd owing to the meeting of CD when reading CD high-speed rotation, CD may produce the power of a vertical base that makes progress, this masterpiece is used in the centrifugal holding force that can overcome trip on the trip is accommodated in the outer rim of projection the trip rotation, lose the effect of chucking optical disk, produce and to fly off or quick-fried serious consequence.
Summary of the invention
The CD that the purpose of this utility model is to provide that a kind of optical disc clamping mechanism is simple in structure, clamping reliable, can the clamping different-thickness, pick and place CD convenient, when picking and placeing CD the non-damageable optical disc reading machine core of CD.
A kind of optical disc reading machine core with optical disc clamping mechanism, optical disc clamping mechanism comprises the rotating disk of carrying disc, protrudes the cylindrical positioning boss that protrudes this cd centre's circular hole when the fooled CD of rotating disk places on the rotating disk, two or plural centrifugal; Be provided with centrifugal ccontaining centrifugal holding part in the outer rim of positioning boss, the outer rim of centrifugal holding part and positioning boss is communicated with; Between centrifugal and positioning boss, be provided with and when rotating disk is static, make centrifugal block reset be accommodated in centrifugal block reset device in the outer rim of this positioning boss; When rotating disk is static, in the outer rim that this centrifugal is accommodated in this positioning boss, when rotating disk rotates to a preset rotation speed, this centrifugal outer rim of then protruding this positioning boss, this CD of clamping; On the outer rim of positioning boss, each centrifugal holding part is not communicated with mutually; Centrifugal axis normal with rotating disk, the axis of centrifugal drive-connecting shaft and the parallel axes of rotating disk, be provided with away from an end of holding part bottom at centrifugal drive-connecting shaft and make centrifugal only can be parallel to dial rotation ground centrifugal block axis to stop means, at centrifugal free end away from pivot points, be provided with when centrifugal this positioning boss outer rim of protrusion and the inclined-plane of CD butt clamping CD, the inclined-plane is towards rotating disk; Centrifugal is eccentric block, and just centrifugal asymmetric with respect to the axis of its drive-connecting shaft.On the outer rim of positioning boss, each centrifugal holding part is not communicated with mutually, carries out spacing in the time of can protruding the positioning boss outer rim to centrifugal.Spacing first be since centrifugal parallel with rotating disk, centrifugal drive-connecting shaft is vertical with rotating disk, centrifugal only can be parallel to dial rotation, can not move up and down with the vertical dial direction and rotate, when being given a shock under the state of CD in high-speed rotation or impacting, CD acts on vertical centrifugal of power on centrifugal, and centrifugal direction in being accommodated in the positioning boss outer rim rotated, and avoids centrifugal effect that loses clamping to produce flying off or quick-fried serious consequence.The secondth, when the rotating disk high-speed rotation, outside the outer rim of centrifugal protrusion positioning boss, cooperate to come chucking optical disk with rotating disk by centrifugal free-ended inclined-plane; Therefore this chucking optical disk mechanism, the firstth, when varying in size of centrifugal protrusion positioning boss, the thickness of its chucking optical disk is also just different, so CD of energy clamping different-thickness, centrifugal free-ended inclined-plane and rotating disk can closely cooperate with CD, good clamping effect, centrifugal making accuracy requirement is not high.Because the technical program only utilizes centrifugal just can realize chucking optical disk, simple in structure, cost is low.
As first kind of improvement of scheme one, be provided with Elastic buckle from the positioning boss top to the extension of rotating disk one side, Elastic buckle protrudes the positioning boss outer rim.When the axis of the rotating disk of optical disc reading machine core was vertical with surface level, Elastic buckle can be positioned at CD on the positioning boss.Owing to need not clamp CD when optical disk high-speed rotates, the elastic force of this Elastic buckle does not need very big, do not need CD is clamped on the turntable, so its accuracy requirement is not high yet yet.Because the elastic force of Elastic buckle is little, when getting CD and giving out light dish, the external force that acts on the CD or on the positioning boss is just little, therefore picks and places CD still easily, also is not easy damaged compact disk and movement.
As scheme one and scheme two first kind common the improvement, centrifugal holding part comprises the emptiness avoiding hole that is communicated with centrifugal containing hole on centrifugal containing hole being arranged on the side that deviates from CD in the positioning boss and the positioning boss sidewall; Centrifugal block axis is a cover plate to stop means; Centrifugal drive-connecting shaft is for extending the protruding axle that is provided with from centrifugal holding part bottom, also extend in the bottom of centrifugal holding part and to convex with the support portion, the height of support portion is greater than centrifugal thickness, on the support portion, extend and be provided with the hot melt post, on the cover board be provided with the through hole that cooperates with the hot melt post, cover plate is fixed on the support portion by the hot melt post.Centrifugal block axis adopts cover plate to stop means, makes the easy to process of centrifugal storage tank, centrifugal easy for installation; Cover plate is installed in a side that deviates from CD, makes optical disc reading machine core more attractive in appearance.
As second kind of common improvement of scheme one and scheme two, centrifugal holding part is arranged on the interior side towards CD of positioning boss; Centrifugal block axis is a cover plate to stop means; Centrifugal drive-connecting shaft is for extending the protruding axle that is provided with from centrifugal holding part bottom, also extend in the bottom of centrifugal holding part and to convex with the support portion, the height of support portion is greater than centrifugal thickness, on the support portion, extend and be provided with the hot melt post, on the cover board be provided with the through hole that cooperates with the hot melt post, cover plate is fixed on the support portion by the hot melt post.Centrifugal block axis adopts cover plate to stop means, makes the easy to process of centrifugal storage tank, centrifugal easy for installation.
The third common improvement as scheme one and scheme two, optical disc reading machine core is a pallet bearing-type optical disc reading machine core, comprise the pallet that can slidably reciprocate at the optical disc reading machine in-core, be installed in the optical pickup framework on the pallet, be installed in optical pickup and servo drive motor thereof on the optical pickup framework, rotating disk is installed on the pallet, and is concentric with the CD containing hole; Also comprise and the coaxial mounted rotating disk drive motor of rotating disk; On pallet, be provided with the CD containing hole that is complementary with the CD external diameter; Each centrifugal eccentric direction with respect to its drive-connecting shaft axis is identical; When centrifugal protrusion during in positioning boss outer rim most external position, the inclined-plane is in the limit of rotating disk places the positioning boss outer rim.Centrifugal eccentric direction be identical to guarantee centrifugal along the move outer rim of outstanding positioning boss of same direction, makes the clamping better effects if.
As the 4th kind of common improvement of scheme one and scheme two, each centrifugal eccentric direction with respect to its drive-connecting shaft axis is identical; When centrifugal protrusion during in positioning boss outer rim most external position, the inclined-plane is in the limit of rotating disk places the positioning boss outer rim; Also comprise and the coaxial mounted rotating disk drive motor of rotating disk, be installed in the optical pickup framework in the movement lower house, be installed in optical pickup and servo drive motor thereof on the optical pickup framework.Centrifugal eccentric direction be identical to guarantee centrifugal along the move outer rim of outstanding positioning boss of same direction, makes the clamping better effects if.
First kind of improvement as scheme six, optical disc reading machine core is the flip-shell optical disc reading machine core, comprise movement body and the lid that is articulated on the movement body, be provided with the CD containing hole that is complementary with the CD external diameter on the movement body, the CD containing hole is arranged on the movement body; Rotating disk is installed on the movement body, and is concentric with the CD containing hole.
As second kind of improvement of scheme six, optical disc reading machine core is the roller inhalation type optical disc reading machine core, comprises the movement body, is installed in the roller bearing and the roller bearing up-down mechanism that make CD turnover movement on the movement body, is installed in the intrinsic read head of movement; Rotating disk is installed in the optical disc reading machine core body.
The third improvement as scheme six, optical disc reading machine core reads movement for the clamping slot-in-type disk, comprise the optical disc reading machine core body, can be used on the saddle at interior saddle that the optical disc reading machine in-core slidably reciprocates with in being articulated in rotationally the clamping video disc intermediate plate, be installed in the intrinsic read head of optical disc reading machine core; Be provided with the CD containing hole at interior saddle, rotating disk is installed in the optical disc reading machine core body; Reading CD position, rotating disk is concentric with the CD containing hole.
As the 4th kind of improvement of scheme six, optical disc reading machine core is the pellet type optical disc reading machine core, comprises the movement body, the pallet that can slidably reciprocate in the movement body, is installed in the intrinsic read head of movement; Be provided with the CD containing hole on pallet, rotating disk is installed in the movement body; Reading CD position, rotating disk is concentric with the CD containing hole.
The beneficial effects of the utility model are, when being given a shock under the state of CD in high-speed rotation or impacting, can avoid centrifugal effect that loses clamping to produce flying off or quick-fried serious consequence; Can clamping the CD of different-thickness, centrifugal free-ended inclined-plane and rotating disk can closely cooperate with CD, good clamping effect, centrifugal making accuracy requirement is not high; Utilize centrifugal just can realize chucking optical disk, simple in structure, cost is low.
Description of drawings
Fig. 1 is that the clamping slot-in-type disk of the utility model prior art reads the schematic perspective view that movement removes loam cake.
Fig. 2 is the schematic perspective view that the roller inhalation type optical disc reading machine core of the utility model prior art removes housing.
Fig. 3 is that the pellet type optical disc reading machine core of the utility model prior art removes housing, pallet places this external schematic perspective view of movement.
Fig. 4 is that the pallet bearing-type optical disc reading machine core of the utility model prior art removes housing, pallet places this external schematic perspective view of movement.
Fig. 5 is that the pallet of the utility model embodiment 1 places the external schematic perspective view of machine core shell.
Fig. 6 is that centrifugal of the utility model embodiment 1 places the optical disc clamping mechanism schematic perspective view in the positioning boss outer rim.
Fig. 7 is the optical disc clamping mechanism perspective exploded view of the utility model embodiment 1.
Fig. 8 is that the master of the optical disc clamping mechanism of the utility model embodiment 1 looks synoptic diagram.
Fig. 9 is the cross-sectional schematic along the A-A of Fig. 8.
Figure 10 is that centrifugal of the utility model embodiment 1 is accommodated in the outer optical disc clamping mechanism schematic perspective view of positioning boss outer rim.
Figure 11 is the schematic perspective view of the lid open mode of the utility model embodiment 2.
Figure 12 is the perspective exploded view of the optical disc clamping mechanism of the utility model embodiment 2.
Figure 13 is the schematic perspective view that the utility model embodiment 3 removes core shell.
Figure 14 is the perspective exploded view of the optical disc clamping mechanism of the utility model embodiment 3.
Figure 15 is the schematic perspective view that the utility model embodiment 4 removes core shell.
Figure 16 is that the utility model embodiment 5 pallets place this external schematic perspective view of movement.
Embodiment
Extremely shown in Figure 10 as Fig. 5, a kind of optical disc reading machine core with optical disc clamping mechanism, optical disc reading machine core is a pallet bearing-type optical disc reading machine core, comprise the pallet 1 that can slidably reciprocate at the optical disc reading machine in-core, be installed in the optical pickup framework 2 on the pallet 1, be installed in optical pickup 3 and servo drive motor (not shown) thereof on the optical pickup framework 2, be installed in the optical disc clamping mechanism on the pallet 1.On pallet 1, be provided with the CD containing hole 4 that is complementary with the CD external diameter.
Optical disc clamping mechanism comprise be installed on the pallet 1, the rotating disk 5 of, carrying disc 4 concentric with the CD containing hole, protrusion on the rotating disk 5, when CD places on the rotating disk 5, protrude the cylindrical positioning boss 6 of this cd centre's circular hole, three centrifugal 7, with rotating disk 5 coaxial mounted rotating disk drive motor (not shown).Centrifugal 7 is eccentric block, and just centrifugal 7 asymmetric with respect to the axis of its drive-connecting shaft, and each centrifugal 7 eccentric direction with respect to its drive-connecting shaft axis is identical.
In the outer rim of positioning boss 6, be provided with centrifugal ccontaining centrifugal 7 holding part, centrifugal holding part comprise be arranged in the positioning boss 6, deviate from CD 8 a side centrifugal containing hole 9 and be arranged on the emptiness avoiding hole 10 that is communicated with on positioning boss 6 sidewalls, with centrifugal containing hole 9, on the outer rim of positioning boss 6, each emptiness avoiding hole of centrifugal 7 10 is not communicated with mutually.
Be provided with at centrifugal 7 and 6 of positioning boss and when rotating disk 5 is static, make the centrifugal 7 centrifugal block reset device in the outer rim that is accommodated in this positioning boss 6 that resets, each centrifugal block reset device comprises and is installed in the centrifugal block of magnet 11 on the holding part sidewall that centrifugal 7 is iron block.
Centrifugal 7 axis normal with rotating disk 5, the parallel axes of the axis of centrifugal 7 drive-connecting shaft and rotating disk 5, be provided with away from an end of holding part bottom at centrifugal drive-connecting shaft 12 and make centrifugal 7 and only can be parallel to rotating disk 5 that centrifugal block axis is to stop means rotationally, centrifugal block axis is a cover plate 13 to stop means; Centrifugal 7 drive-connecting shaft 12 is for extending the protruding axle that is provided with from centrifugal holding part 9 bottoms, also extend in the bottom of centrifugal holding part 12 and to convex with support portion 14, the height of support portion 14 is greater than centrifugal 7 thickness, on support portion 14, extend and be provided with hot melt post 15, be provided with the through hole 16 that cooperates with hot melt post 15 on cover plate 13, cover plate 13 is fixed on the support portion by hot melt post 15.
At centrifugal 7 free end away from pivot points, be provided with when protruding these positioning boss 6 outer rims for centrifugal 7 and cooperate the inclined-plane 17 that clamps CD 8 with CD 8, the inclined-plane is towards rotating disk 5; When protruding in positioning boss 6 outer rim most external positions for centrifugal 7, inclined-plane 17 is in the limit of rotating disk 5 places positioning boss 6 outer rims.
Because movement is vertically placed, be provided with Elastic buckle 18 from positioning boss 6 tops to the extension of rotating disk 5 one sides, Elastic buckle 18 protrudes positioning boss 6 outer rims.
When rotating disk 5 was static, centrifugal force disappeared, in the outer rim that is accommodated in this positioning boss 6 for centrifugal 7 under the effect of the magnetic force of centrifugal block reset device.When rotating disk 5 rotated to a preset rotation speed, centrifugal force overcame the magnetic force of centrifugal block reset device, these centrifugal 7 outer rims of protruding this positioning boss 6, and centrifugal 7 inclined-plane cooperates this CD 8 of clamping with rotating disk 5.Because when picking and placeing CD 8, rotating disk 5 is static, in the outer rim that is accommodated in positioning boss 6 for centrifugal 7, can not damage CD 8 or movement when therefore picking and placeing CD 8.
As Figure 11, shown in Figure 12, as different from Example 1, optical disc reading machine core is the flip-shell optical disc reading machine core, comprise movement body 30 and the lid 31 that is articulated on the movement body 30, be installed in the optical pickup framework 32 on the movement body 30, be installed in optical pickup 33 and servo drive motor (not shown) thereof on the optical pickup framework 32, be installed in the optical disc clamping mechanism on the movement body 30, on movement body 30, be provided with the CD containing hole 34 that is complementary with the CD external diameter.Rotating disk 43 is installed on the movement body 30, and is concentric with CD containing hole 34.Because the movement horizontal positioned, on the outer rim of the positioning boss of optical disc clamping mechanism, can not be provided with Elastic buckle.
Centrifugal holding part 35 is arranged on positioning boss 36 interior sides towards CD; Centrifugal block axis is a cover plate 37 to stop means; Centrifugal 38 drive-connecting shaft 39 is for extending the protruding axle that is provided with from centrifugal holding part 35 bottoms, also extend in the bottom of centrifugal holding part 35 and to convex with support portion 40, the height of support portion 40 is greater than centrifugal 38 thickness, on support portion 40, extend and be provided with hot melt post 41, be provided with the through hole 42 that cooperates with hot melt post 41 on cover plate 37, cover plate 37 is fixed on the support portion 40 by hot melt post 41.
Each centrifugal block reset device comprises and is installed in the centrifugal block of magnet 44 on holding part 35 sidewalls that centrifugal 38 is iron block.
As Figure 13, shown in Figure 14, as different from Example 2, optical disc reading machine core is the roller inhalation type optical disc reading machine core, comprise movement body 50, be installed in the optical pickup framework 51 on the movement body 50, be installed in optical pickup 52 and servo drive motor (not shown) thereof on the optical pickup framework 51, be installed in the roller bearing 53 and the roller bearing up-down mechanism 54 that make CD turnover movement on the movement body 50, be installed in the optical disc clamping mechanism on the movement body 50, the rotating disk 55 of optical disc clamping mechanism is installed in the optical disc reading machine core body 50.Because the movement horizontal positioned, on the outer rim of the positioning boss of optical disc clamping mechanism, can not be provided with Elastic buckle.
Centrifugal block reset device is an elasticity reset device, elasticity reset device is the spring 59 that is installed in 58 of centrifugal 57 and its drive-connecting shafts, on the spring 59 suit drive-connecting shafts 58, an end of spring 59 stretches in the hole 60 of support portion 63 of rotating disk 62, and an end stretches in centrifugal 57 the hole 61.
When rotating disk 62 was static, centrifugal force disappeared, in the outer rim that is accommodated in this positioning boss for centrifugal 57 under the effect of the elastic force of spring 59.When rotating disk 62 rotated to a preset rotation speed, centrifugal force overcame the elastic force of spring 59, centrifugal 57 outer rims of protruding this positioning boss, and centrifugal 57 inclined-plane cooperates this CD of clamping with rotating disk 62.
As shown in figure 15, as different from Example 1, optical disc reading machine core reads movement for the clamping slot-in-type disk, comprise optical disc reading machine core body 70, the interior saddle 71 that can in optical disc reading machine core 70, slidably reciprocate and be articulated in rotationally in be used on the saddle 71 the clamping video disc intermediate plate 72, be installed in the optical pickup framework 73 on the movement body 70, be installed in optical pickup 74 and servo drive motor (not shown) thereof on the optical pickup framework 73; Be provided with CD containing hole (not shown) at interior saddle 71, rotating disk 75 is installed in the optical disc reading machine core body 70; Reading CD position, rotating disk 75 is concentric with the CD containing hole.Because the movement horizontal positioned, on the outer rim of the positioning boss of optical disc clamping mechanism, can not be provided with Elastic buckle.
As shown in figure 16, as different from Example 1, optical disc reading machine core is the pellet type optical disc reading machine core, comprise movement body 90, the pallet 91 that can in movement body 90, slidably reciprocate, be installed in the optical pickup framework 92 on the movement body 90, be installed in optical pickup 93 and servo drive motor (not shown) thereof on the optical pickup framework 92; Be provided with the avoiding hollow groove 95 of CD containing hole 94 and optical pickup on pallet 91, rotating disk 96 is installed in the movement body 90; Reading CD position, rotating disk 96 is concentric with CD containing hole 94.Because the movement horizontal positioned, on the outer rim of the positioning boss of optical disc clamping mechanism, can not be provided with Elastic buckle.
Claims (10)
1. optical disc reading machine core with optical disc clamping mechanism, optical disc clamping mechanism comprises the rotating disk of carrying disc, protruding is taken at rotating disk protrudes the cylindrical positioning boss of this cd centre's circular hole, two or plural centrifugal when CD places on the rotating disk; Be provided with centrifugal ccontaining centrifugal holding part in the outer rim of positioning boss, the outer rim of centrifugal holding part and positioning boss is communicated with; Between centrifugal and positioning boss, be provided with and when rotating disk is static, make centrifugal block reset be accommodated in centrifugal block reset device in the outer rim of this positioning boss; When rotating disk is static, in the outer rim that this centrifugal is accommodated in this positioning boss, when rotating disk rotates to a preset rotation speed, this centrifugal outer rim of then protruding this positioning boss, this CD of clamping; It is characterized in that: on the outer rim of positioning boss, each centrifugal holding part is not communicated with mutually; Described centrifugal axis normal with rotating disk, the axis of centrifugal drive-connecting shaft and the parallel axes of rotating disk, be provided with away from an end of centrifugal holding part bottom at centrifugal drive-connecting shaft and make centrifugal only can be parallel to dial rotation ground centrifugal block axis to stop means, at centrifugal free end away from pivot points, be provided with when centrifugal this positioning boss outer rim of protrusion and the inclined-plane of CD butt clamping CD, the inclined-plane is towards rotating disk; Centrifugal is eccentric block, and just centrifugal asymmetric with respect to the axis of its drive-connecting shaft.
2. a kind of optical disc reading machine core with optical disc clamping mechanism as claimed in claim 1 is characterized in that: be provided with Elastic buckle from the positioning boss top to the extension of rotating disk one side, Elastic buckle protrudes the positioning boss outer rim.
3. a kind of optical disc reading machine core with optical disc clamping mechanism as claimed in claim 1 or 2 is characterized in that: centrifugal holding part comprises the emptiness avoiding hole that is communicated with centrifugal containing hole on centrifugal containing hole being arranged on the side that deviates from CD in the positioning boss and the positioning boss sidewall; Centrifugal block axis is a cover plate to stop means; Centrifugal drive-connecting shaft is for extending the protruding axle that is provided with from centrifugal holding part bottom, also extend in the bottom of centrifugal holding part to convex with the support portion, and the height of support portion is greater than centrifugal thickness, and cover plate is fixed on the support portion.
4. a kind of optical disc reading machine core with optical disc clamping mechanism as claimed in claim 1 or 2 is characterized in that: centrifugal holding part is arranged on the interior side towards CD of positioning boss; Centrifugal block axis is a cover plate to stop means; Centrifugal drive-connecting shaft is for extending the protruding axle that is provided with from centrifugal holding part bottom, also extend in the bottom of centrifugal holding part to convex with the support portion, and the height of support portion is greater than centrifugal thickness, and cover plate is fixed on the support portion.
5. a kind of optical disc reading machine core as claimed in claim 1 or 2 with optical disc clamping mechanism, it is characterized in that: described optical disc reading machine core is a pallet bearing-type optical disc reading machine core, comprise the pallet that can slidably reciprocate at the optical disc reading machine in-core, be installed in the optical pickup framework on the pallet, be installed in optical pickup and servo drive motor thereof on the optical pickup framework, described rotating disk is installed on the pallet, and is concentric with the CD containing hole; Also comprise and the coaxial mounted rotating disk drive motor of rotating disk; On pallet, be provided with the CD containing hole that is complementary with the CD external diameter; When centrifugal protrusion during in positioning boss outer rim most external position, the inclined-plane is in the limit of rotating disk places the positioning boss outer rim.
6. a kind of optical disc reading machine core with optical disc clamping mechanism as claimed in claim 1 or 2 is characterized in that: each centrifugal eccentric direction with respect to its drive-connecting shaft axis is identical; Also comprise and the coaxial mounted rotating disk drive motor of rotating disk, be installed in the optical pickup framework in the movement lower house, be installed in optical pickup and servo drive motor thereof on the optical pickup framework; When centrifugal protrusion during in positioning boss outer rim most external position, the inclined-plane is in the limit of rotating disk places the positioning boss outer rim.
7. a kind of optical disc reading machine core as claimed in claim 6 with optical disc clamping mechanism, it is characterized in that: described optical disc reading machine core is the flip-shell optical disc reading machine core, comprise movement body and the lid that is articulated on the movement body, be provided with the CD containing hole that is complementary with the CD external diameter on the movement body, the CD containing hole is arranged on the movement body; Described rotating disk is installed on the movement body, and is concentric with the CD containing hole.
8. a kind of optical disc reading machine core as claimed in claim 6 with optical disc clamping mechanism, it is characterized in that: described optical disc reading machine core is the roller inhalation type optical disc reading machine core, comprise the movement body, be installed in the roller bearing and the roller bearing up-down mechanism that make CD turnover movement on the movement body, be installed in the intrinsic read head of movement; Described rotating disk is installed in the optical disc reading machine core body.
9. a kind of optical disc reading machine core as claimed in claim 6 with optical disc clamping mechanism, it is characterized in that: described optical disc reading machine core reads movement for the clamping slot-in-type disk, comprise the optical disc reading machine core body, can be used on the saddle at interior saddle that the optical disc reading machine in-core slidably reciprocates with in being articulated in rotationally the clamping video disc intermediate plate, be installed in the intrinsic read head of optical disc reading machine core; Be provided with the CD containing hole at interior saddle, described rotating disk is installed in the optical disc reading machine core body; Reading CD position, rotating disk is concentric with the CD containing hole.
10. a kind of optical disc reading machine core as claimed in claim 6 with optical disc clamping mechanism, it is characterized in that: described optical disc reading machine core is the pellet type optical disc reading machine core, comprise the movement body, the pallet that can in the movement body, slidably reciprocate, be installed in the intrinsic read head of movement; Be provided with the CD containing hole on pallet, described rotating disk is installed in the movement body; Reading CD position, rotating disk is concentric with the CD containing hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201356330U CN201773578U (en) | 2010-03-16 | 2010-03-16 | CD (compact disc) reading core with CD clamping mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201356330U CN201773578U (en) | 2010-03-16 | 2010-03-16 | CD (compact disc) reading core with CD clamping mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201773578U true CN201773578U (en) | 2011-03-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201356330U Expired - Lifetime CN201773578U (en) | 2010-03-16 | 2010-03-16 | CD (compact disc) reading core with CD clamping mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201773578U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101783154A (en) * | 2010-03-16 | 2010-07-21 | 杨东佐 | Optical disc reading machine core with optical disc clamping mechanism |
| CN108965196A (en) * | 2018-07-25 | 2018-12-07 | 山东宏数数据科技有限公司 | A kind of optical disk gripping device and its working method |
-
2010
- 2010-03-16 CN CN2010201356330U patent/CN201773578U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101783154A (en) * | 2010-03-16 | 2010-07-21 | 杨东佐 | Optical disc reading machine core with optical disc clamping mechanism |
| CN101783154B (en) * | 2010-03-16 | 2012-08-22 | 杨东佐 | Optical disc reading machine core with optical disc clamping mechanism |
| CN108965196A (en) * | 2018-07-25 | 2018-12-07 | 山东宏数数据科技有限公司 | A kind of optical disk gripping device and its working method |
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| C14 | Grant of patent or utility model | ||
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| AV01 | Patent right actively abandoned |
Granted publication date: 20110323 Effective date of abandoning: 20120822 |