TWI239509B - Control mechanism of clamper base of inhalation type optical disk drive - Google Patents

Abstract

A control mechanism of clamper base of inhalation type optical disk drive is provided. A motor drives a transmission plate via a gear module. The transmission plate drives the control plate to rotate clockwise or counterclockwise, so as to make the bump of the control plate push or depart from the bottom end of the lower curved portion of the carriage, such that the clamper of the lower portion of the base is departed from or inserted into the disk clamping position. The whole control mechanism has an effort-saving structure to facilitate the matching design of the whole control mechanism and motor.

Description

1239509 V. Description of the invention (1) [Technical field to which the invention belongs] The present invention relates to the suction type #Mu hibiscus, especially 1 is the control mechanism of the retaining ring support, especially the "permanent pressure bearing" The mechanism for the lower and lower displacement of the lower section. Helping to press the tablet [Previous technology] -Generally inspiring optical disc drive 'with #thinner shape, ί: 出: disc, often combined with car audio modules In Taiwan, "Taiwan Patent Publication No. 555131, which is called" 20o "m1 light and tablet 1 cloth, is named" and the structure of the optical disc drive is improved, according to the machine, including-the clip mechanism 1 to clip: a The position of the slot-loading optical disc bearing disc; the second one of the inscription tablet enables the disc to enter or leave the disc and the disc carrying disc from the pressure disc respectively, and the pressure is rotated for the optical reading head to read the data; U Cold film, and make the front end of the disc plate clamp the movement of the disc # j 动 机构 'can control the side of the disc pressing plate abutting the lower end of the arm, there is a floor abutting the disc gap for the disc to pass through When the plate has moving support blocks that move linearly between the bearing plate and the plate, the transmission mechanism simultaneously takes Hold the disc with the disc bearing disc. At the lower end, the magnetic platen with magnetic suction is used. The above patent case uses the sloping surface of the bottom end of the arm to reach the # block that overcomes the linear movement and pushes against the suction force, so that During the magnetic process between the pressure plate and the disc = J disc * load disc, the force is not uniform, and the load disc is on the 7th. When the support block is pushed against the arm, the maximum force must be applied. It is necessary to increase the power of the motor to remove the pressure plate from the disc bearing plate.

Fifth, the description of the invention (2), it costs energy. The support block adopts a linear movement method, which is limited by the restrictions of the machine room. The length of the force application arm is fixed. It is not easy to design a more labor-saving structure, and its overall structure is more complicated and takes up space. .

US Patent No. 6,577,580 issued on June 10, 2003, entitled LOADING DEVICE IN MAGNETOOPTICAL DI from Recording APPARATUS, discloses a disc reading device including two moving parts (Shifter) The base of the tablet ring base (ciamper: se) is used to drive the base to rotate, so that the lower end of the retaining member (Retainer piece) that is symmetrically combined with two is pushed into or out of the pressure (Clamper ), And the tablet ring and the magnetic attraction portion (AttraCting portion) of the disc drive unit 八 1Vlng Uillt) are attracted to each other. The structure of the above-mentioned U.S. patent that drives the three holders when the base is rotated is quite complicated, and the pressure ring and the holding member are separable. In actual use, 'the top of the base must be combined with another elastic pressure to prevent The pressure of the tablet ring off the base, or offset the middle position of the hole in the base, further increases the complexity of the structure. [Summary of the Invention] The main purpose of the present invention is to provide a k-type mechanism ′ of a tablet disc ring main of a suction type optical disc drive, which has a simple structure and can accurately control the movement of the tablet ring up and down. Another object of the present invention is to provide a suction-type optical disc drive tablet seat I mechanism which has a relatively labor-saving structure in a limited space, so that the entire transmission structure is matched with the motor used. Another object of the present invention is to provide a suction-type disc player ring 1239509.

= Control mechanism, ‘has a more uniform thrust structure, so that the force of the motor is too much, and a smaller power motor can be used’ to save manufacturing costs. Dry /: For other items, functions and examples, please refer to the drawings. The detailed description is as follows. [Embodiment] Please refer to FIG. 1. The tablet ring holder control mechanism of the present invention is a mechanism that controls the movement of the tablet ring holder 20 up and down in combination with the movement (Chassis) i of the f-drive. The control mechanism includes a transmission shaft of the motor 21, one gear in the transmission gear set 22, and the other gear in the gear set 22 can be engaged with a rack on the side of the first transmission plate 23. Movement! The top plate (Cei 丨 ing ψ plate) 1 1 is opposite to the first transmission plate 23, the second transmission plate 24, the control plate 3 1 and the seat 2 〇 individual guide slot holes 2 3 1, 2 3 2, 2 3 3, 2 4 1, 242, 311, 312, 313, 209, respectively combined with • Guide pins that pass through the corresponding slots 111, 112, 113, 114, 115, 116, 11 7, 11 8, 11 9. A guide bar 丨 20 is further coupled above the top plate 11 to pivotally connect a hole at the end of the third piece 25, and the guide bar 20 is combined with a c-ring on the outside of the hole. The other end of the third piece body 25 is combined with a guide rod "I, and the guide rod mi sequentially passes through the corresponding guide slot holes of the second transmission plate 24, the first transmission plate 23, and the top plate 11. The upper end of each guide rod is at A C-shaped ring is combined on the outside of each slot hole, so that the first transmission plate 23, the second transmission plate 24, and the third plate body 25 are sequentially stacked, and are movably coupled above the top plate 11. The second transmission plate 24 is opposite A slot 243 is also provided at the position of the guide rod 113. An arm 33 extends from one side of the control piece 31. The arm 33 is combined with a guide rod 331. The second transmission piece 24 has a guide slot hole accommodating the guide rod 331 244. The three slot holes 311, 312, 313 of the control piece 31 are presented on the same circumference.

Page 7 1239509 V. Description of the invention (4) f scale setting. As shown in FIG. 2, the top plate 11 and the control plate 3 丨 are respectively provided with holes 32 at positions relative to the platen ring 41 for the platen ring 41 to move under the top plate 1 1 'so that the platen ring 41 and the disc The magnetic attraction portion of the driving unit is attracted to couple the disc. The top plate 1 i extends a stopper 34 upward, and one end of the stopper 34 extends into the hole 32 and extends above the tabletting ring 41 to prevent the tableting ring 41 from protruding too far above the control piece 31 and make the tabletting 4 The 1 ring is in a horizontal state without touching the disc at an angle, which affects the in and out of the disc. Please refer to Figures 1, 2, and 5. The control piece 31 has a protrusion 35 protruding upward with respect to the side 20 of the socket 20, and the side of the protrusion 35 facing the socket 20 has a slope. In this embodiment, the bumps 35 are in the shape of a hemisphere. The position of the control piece 3 j relative to the downwardly bent section 201 which is bent downwardly with respect to the socket 20 has a groove 36 which is bent downwardly, so that the socket 2 is combined with the lower section 2 of the tablet ring 4 0 2 Can extend under the hole 32. The top plate 11 has an air-permeable area 'with respect to the movable area of the groove 36, so as not to hinder the movement of the groove 36. The lower section 202 of the socket 20 extending downward is located in the hole 32 below the front end of the lower section 201. The middle of the lower section 20 2 has a circular hole 'three tabs 412 of the neck 411 protruding upward in the middle of the pressure ring 41 and pass through the circular hole' to fasten the corresponding buckle 4 1 3 respectively, so that the pressure ring The neck 411 of the 41 is pivoted in the circular hole and can rotate freely. The rear end of the seat 20 has a recessed rear section 20 3. Both sides of the rear segment 20 03 extend upwardly with two ears 204 on both sides, and the top plate 11 extends upwardly with respect to the two ears 204. The ears have holes to pivotally connect a shaft 2005. The shaft 2 0 5 is combined with a torsion spring 2 0 6, and the two ends of the torsion spring 26 are respectively placed between the top plate 丨 丨 and the buckle 207 protruding upward at the rear end of the rear section 203. The torsion 20 6 spring provides the force for pressing the lower section 202 downward.

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V. Description of the invention (5) When the motor 21 rotates in one direction, the blades 2 3 move downward as shown in FIG. 1. The first and second transmission plates 23 and 24 are driven by the gear set 2 2. Because the guide rods 251 are respectively pivoted to the slots that are moved downward by the guide rod 251, the second transmission piece 24 is also moved downward, so that the two phases of the control piece 31 are made, and the slot holes 244 are made. Drive the guide rod 331, the guide rods 116, 117, and 118 as the fulcrum 2 to make f holes 3u, 312, and 313, respectively, and rotate them with the lower # clockwise of the lower curved section 201 of the ejection seat 2. Further, the convex block 35 is at a high position (as shown in FIG. 3, 4, and 6), and the lower section 202 and the tabletting ring 41 are raised. The bend section 2 (H and the convex block 35 are brought together and the tableting ring 41 is released from the clamp. Hold the disc flap 208, so that the projection 35 is pushed to the top: The position 'protrudes-upwards-is smooth.' The action below the upward% flap 20 8 is more ^ the motor 21 rotates in the other direction 'control piece 31 will rotate clockwise = > U block 3 " the lower f of the bearing seat 2G is called the lower part. By the elastic force of the torsion 206, the lower part 202 is moved downward, so that the pressing ring 41 enters the position below the hole 32. Attract with the magnetic attraction part of the disc drive unit to combine the disc 0

The position of the control piece 31 relative to the lower bend section 201 of the bearing seat 20 of the present invention has a direction: a bent groove 36, and the top plate n has a hollow area relative to the movable area of the groove 36, which will not hinder The design of the groove 36 and other activities can increase the amount of the lower section 202 of the seat 20 moving downward, and reduce the amount of the upper end of the seat 20 moving upwards, and can reduce the upper end of the seat 20 protruding from the top plate when it is moving.丨 丨 Height 'thus reduces the height of the slot-in optical disc drive. According to the present invention, the control piece 31 is rotated clockwise or counterclockwise with the guide rods 116, 1 1 7, 1 1 8 as a fulcrum, and the design position and length of the adjusting arm 3 3 are used.

Page 9 1239509 ------ Explanation of the invention (6)-i ;; ΐ: The surname 檨, which is relatively labor-saving and suitable for driving the control plate 31 to rotate, has an early structure, which can accurately control the movement of the tabletting ring up and down ... The invention uses the convex block 35 to push up and bend the upward bending piece 20. Then the slope change of the radian 'can be used to obtain an arc with a smaller power than the average Λ plane. @Make the fork force of the motor more even, and 4 motors can be used to save manufacturing costs. Use Anyone who is familiar with this art from the above § is only used by: the embodiment of the technical content of private sun and moon, and the modifications and changes in the scope of the patent claimed by this creation are Φ

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Brief Description of the Drawings Figure 1 is a schematic plan view of the tablet ring support control mechanism of the present invention when the tablet ring is not lifted. Fig. 2 is a partial view of the tablet ring support control mechanism of the present invention without supporting the tablet ring. Fig. 3 is a schematic view of the tablet ring support control mechanism of the present invention when the tablet ring is supported. Fig. 4 is a partial side view of the tablet ring support control mechanism supporting the tablet ring according to the present invention.

Fig. 5 is a partial perspective view of the tablet ring support control mechanism of the present invention when the tablet ring is not supported. Knife FIG. 6 is a schematic partial perspective view of the tablet ring support mechanism of the present invention when the tablet ring is supported by the tablet ring. Representative symbols of main parts 1 Movement 11 Top plate 111, 112, 113, 114, 115, 116 Guide rods 117, 118, 119, 120, 251, 331 Guide rods 2 0 Seat 2 0 1 Downward bend section 20 3 Rear section 20 5 axis 207 buckle ear 20 9 ~ 23 232 233 233 243 244 311 312 202 202 lower segment 204 ear piece 20 6 torsion spring 2 0 8 upward bending piece, 241, 242 #, 3 1 3 slot

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Claims (1)

1239509 6. The scope of the patent application is the movable blade at the other end of the movable plate body and the frame 5. If the application has a circular hole in the middle, the pivot is connected to the circular hole 6 · If the application is for the first transmission plate, and pivot Connected to the third piece body; the third guide rod, the guide rod passes through the transmission slot and the guide slot hole corresponding to the first transmission plate. The control mechanism according to item 1, wherein the hole in the lower section, the collar of the neck protruding upward in the middle of the tablet ring passes through the corresponding button hole, so that the neck of the tablet ring is combined. A clip extends above the sharp range of a buckle, square. The upper part of the pressure plate ring that touches the profit range 7. If you apply for a special connection with the bump 8. If you apply for a special top plate that has to pass through the pair 9. If you apply for a special drive shaft combined with a rack, A slot gearing range transmission gear control mechanism according to item 1 of the gear, wherein the top plate extends into the hole toward one end of the stopper and extends to the control mechanism according to item 2; The curved section is set, and an upward bending piece is protruded. The control mechanism according to item 4, wherein the transmission piece of the movement and the guide slot of the guide slot of the transmission piece are respectively combined. The control mechanism according to item 8, wherein the wheels of the motor and the gears of the motor; the side of the first transmission plate has another gear in the group meshing. ’