CN2485686Y - Optical drive platter clamping device - Google Patents

Abstract

The utility model relates to a CD-ROM drive disc clamping device, it includes components such as a base plate, an upper clamp body and several slide, wherein, a thru hole has been seted up to this base plate, and this thru hole can supply this upper clamp position in between to those slides set firmly on this thru hole periphery face, in addition, be connected with slider and the control lever that can supply the mutual linkage in the suitable department of this base plate, the utility model discloses mainly utilize the Z type ditch groove of this slide, and borrow by the rotation of this upper clamp body, in order to make it fix a position the disc downwards, according to space and the mechanism that effectively reduces clamping device.

Description

Optical drive platter clamping device

The utility model relates to a disc clamping device for an optical drive, in particular to a device for positioning the disc downward by means of rotation to effectively reduce its space and mechanism.

In recent years, computer peripherals have been continuously improved, and their prices have also gradually declined. Among them, CD-ROMs or CD drivers have reached a very cheap level, and they have not only become the basic equipment of personal computers. , It is also an indispensable and necessary structure for audio equipment; moreover, an optical drive refers to a device that uses optical principles to read data stored on an optical disc, but whether it is sound, video or general computer data, that is, the disc and optical read The distance between the heads must be kept at a certain value to ensure the correctness of data reading; in addition, because the disc has the action of advancing and withdrawing the film, there must be enough space to complete the above-mentioned movement of advancing and withdrawing the film, so , when the disc feeding action is completed, the disc must be positioned so that the optical read head can read data at any time; therefore, the positioning of the disc is nothing more than positioning the disc downward with the upper clamp, or lowering the clamp to position the disc. The clamps position the platter two ways up.

The disc clamping device of the optical drive is an extremely important component of the optical drive. It usually uses the magnetic force generated by the permanent magnet to attract or detach the rotating disc of the spindle motor to achieve its effect. As shown in Figure 1, it is an optical drive disc. Structural diagram of the disc clamping device, and the clamping device is in the manner of positioning the clamps upwards, wherein a support plate (not shown) is provided on the upper end of the optical drive body 1a, and there is a suitable connection on the support plate (not shown). The magnetic member (figure omitted), and the other part of the CD-ROM clamping device is a rotating disk 121a with an iron sheet, the rotating disk 121a is press-fitted on the shaft of a spindle motor 12a, and the spindle The motor 12a is erected on the seat 10a in the optical drive body 1a, and the seat 10a is connected and fixed with an optical pickup 11a at the same time; The transmission of the transmission mechanism 13a raises the seat sheet 10a until the magnetic member (not shown) is attracted to the iron sheet of the rotating disk 121a, so that the disk is clamped on the magnetic member (not shown). ) and the rotating disk 121a; since the seat piece 10a and the optical pickup head 11a are integrally linked, that is, when the seat sheet 10a moves upward, the optical pickup head 11a also moves upward at the same time Move a distance.

However, the above-mentioned clamping device is to clamp the seat piece 10a by moving upwards, but it needs a larger moving space and involves more components (such as the optical reading head 11a), so how to Effectively reducing the space and mechanism of the clamping device has become a research and development direction in this industry.

The purpose of this utility model is to propose an optical drive disc clamping device composed of a base plate, an upper clamping body, and several sliding seats, which can effectively reduce the space and mechanism of the clamping device, thereby solving the problems of the prior art. Existing problems.

The technical scheme that the utility model adopts is that it comprises:

A base plate, which is provided with a through hole, and a slider and a control rod that can be linked to each other are connected to an appropriate place on the base plate;

An upper clamp body, which is properly connected by a clamp frame, a bracket and a clamp, and the upper clamp body can be placed between the through holes of the substrate, wherein the clamp frame can be suitably It is connected to the above-mentioned slider, and the periphery of the bracket is provided with several track pins, and the clamp can cooperate with a rotating disk to clamp a disk therebetween; and

several sliding seats, which are fixed on the through-hole peripheral plate surface of the base plate, and those sliding seats are provided with tracks corresponding to those track pins, and the two ends of the track have a height difference;

Through the linkage of the above structure, the clamp frame can be rotated, and the track pin of the bracket slides downward from the upper track of the slide seat, so as to drive the clamp to move downward, and fix the disk on the spindle motor. above the rotating disk.

The utility model has the advantage that it mainly utilizes the Z-shaped groove of the sliding seat, and by the rotation of the upper clamp body, the disk is positioned downward, thereby effectively reducing the space and mechanism of the clamp device.

FIG. 1 is a structural schematic diagram of a disc clamping mechanism of a conventional optical drive.

Fig. 2 is a three-dimensional exploded view of the optical drive disc clamping device of the present invention.

FIG. 2A is an enlarged view of part A of FIG. 2 .

Fig. 3 is a top view of the utility model with a clamping disk.

Fig. 4 is the bottom view of the utility model with the clamping disk.

Fig. 5 is a cross-sectional exploded view of the disc clamping device of the optical drive of the present invention.

Fig. 6 is a cross-sectional view of an unclamped disc of the present invention.

Fig. 7 is a cross-sectional view of the utility model with a clamping disk.

Fig. 8 is a top view of an unclamped disc of the present invention.

Fig. 9 is a side view of the utility model without a disc clamped.

Fig. 10 is a bottom view of an unclamped disc of the present invention.

Now further illustrate preferred specific embodiments of the present utility model in conjunction with above-mentioned each accompanying drawing. Please refer to Fig. 2, which is a three-dimensional exploded view of the utility model; the utility model provides a disc clamping device for an optical drive, and the clamping device includes a base plate 1, a slider 2, a control rod 3, a Clamp frame 4, a bracket 5, a clamp 6, a spindle motor 7 and several sliding seats 8 (as shown in Figure 2A) and other components, wherein:

Substrate 1: a through hole 10 is opened in the center thereof. And the plate surface adjacent to the periphery of the through hole 10 is perforated with several sliding seat holes 11 and sliding pins 12, and a right connecting rod 13 and a left connecting rod 14 for relative movement are pivoted at an appropriate position of the base plate 1, and A control rod positioning hole 140 is pierced on the left connecting rod 14 , and a control rod guide pin hole 15 and two sliding block groove pins 16 at an appropriate distance are provided at the side end of the base plate 1 .

Slider 2: its surface is pierced with a control rod guide pin groove 20, a clamp frame guide groove 21 and two slider grooves 22 correspondingly connected to the two slider groove pins 16 respectively.

Control lever 3: It is in the shape of a special long rod, and a control lever positioning hole 30 that can be used as a pivot center is provided in the middle, and a disc push arm 31 is formed on one end edge, and a control lever guide is provided on the other end edge. pin 32.

Accordingly, as shown in FIG. 3 and FIG. 4 , the control rod 3 is installed under the base plate 1 , and a screw (not shown) passes through the control rod positioning hole 30 and the left connecting rod on the base plate 1 The control rod positioning hole 140 of 14 is used to make the control rod 3 and the base plate 1 fixed and connected; moreover, the control rod guide pin 32 passes through the control rod guide pin hole of the base plate 1 from the bottom of the base plate 1 15, and the control rod guide pin groove 20 of the slider 2, the substrate 1, the slider 2 and the control rod 3 are interlocked; The slider groove pin 16 of the base plate 1 cooperates to make the slider 2 slide linearly on the base plate 1 .

When the disc 9 enters the optical drive and is placed under the base plate 1, the disc 9 pushes the disc pushing arm 31 of the control lever 3 to move backward, and the control lever 3 uses its control lever positioning hole 30 to move backward. It is the rotation axis, so that the control rod guide pin 32 pushes the slider 2 forward, so that the slider 2 slides forward.

Please refer to Fig. 2 and Fig. 5 at the same time, wherein:

Clamp frame 4: it is suitable for covering above the through-hole 10 of the substrate 1, and several sliding grooves 40 correspondingly connected to the sliding pins 12 are provided on the periphery, and a support is provided between two adjacent sliding grooves 40 The frame pin 41 extends a rotating arm 42 from an appropriate end of the clamp frame 4 , and a clamp frame guide pin 43 protrudes from the bottom surface of the end of the rotating arm 42 .

Bracket 5: It has inner and outer rings 50, 51 connected in a stepped shape. Several track pins 52 at equal distances are arranged on the periphery of the outer ring 51, and a pair of track pins 52 are arranged between two adjacent track pins. Correspondingly fit the bracket pin hole 53 of the bracket pin 41 .

Clamp 6 : it has upper and lower edge surfaces 60 , 61 at an appropriate distance, and the bottom edge of the clamp 6 can be fitly placed above the rotating disk 70 of the spindle motor 7 .

Accordingly, as shown in Figure 6 and Figure 7, the inner ring 50 of the bracket 5 is located between the upper and lower edge surfaces 60, 61 of the clamp 6, so, when the bracket 5 is raised upwards, that is , the bracket pin hole 53 of the bracket 5 slides to the upper end of the bracket pin 41 of the clamp frame 4, thereby resisting the upper edge surface 60 of the clamp 6, and the clamp 6 is lifted up to facilitate The advancing and retreating action of the disc 9; moreover, when the bracket 5 is dropped downward, that is, the bracket pin hole 53 of the bracket 5 slides to the lower end of the bracket pin 41 of the clamp frame 4 , so as to abut against the lower edge surface 61 of the clamp 6, so that the clamp 6 can be fixed down on the disc 9 on the rotating disc 70 of the spindle motor 7.

Furthermore, please refer to Fig. 8, Fig. 9 and Fig. 10 at the same time, after the clamp frame 4, the bracket 5 and the clamp 6 are assembled into an upper clamp body, the upper clamp body is then connected by the clamp The sliding groove 40 of the frame 4 cooperates with the sliding pin 12 of the base plate 1 , so that the clamp frame 4 is restricted to rotate, and at the same time drives the bracket 5 to rotate.

Again, the clamp frame guide pin 43 of the clamp frame 4 is arranged and matched in the clamp frame guide groove 21 of the slide block 2; as such, when the slide block 2 slides forward, the clamp frame guide pin is promoted. 43 moves forward, and the clamp frame guide pin 43 moves laterally in the clamp guide groove 21 at the same time, at this time, the clamp 6 then rotates counterclockwise, and the bracket 5 also produces the same reverse rotation. The clock direction is rotated.

In addition, the utility model uses three sliding seats 8 with Z-shaped grooves 80 (as shown in Figure 2A), the Z-shaped grooves 80 can be replaced by Z-shaped inclined surfaces (figure omitted), and the sliding seats 8 are provided with a sliding seat fixing hole 81 to be fixedly combined with the sliding seat hole 11 of the base plate 1 by screws (not shown), and the Z-shaped groove 80 can be used as the track of the track pin 52 .

Accordingly, when the bracket 4 rotates in the counterclockwise direction, the track pin 52 slides downwards in the Z-shaped groove 80, and drives the bracket 5 to move downward, and simultaneously drives the clamp 6 downward. move to fix the disk 9 on the rotating disk 70 of the spindle motor 7 .

When the clamp 6, the disk 9 and the rotating disk 70 are combined, the spindle motor 7 drives the rotation of the rotating disk 70 and simultaneously drives the rotation of the disk 9, so that the optical pickup head (Fig. abbreviated) correctly read the stored data on the disc 9; moreover, due to the close combination of the above three, the disc 9 and the spindle motor 7 rotate synchronously, so as to determine the correctness of data reading; Or, when the disc 9 moves back, the slider 2 slides backwards, and drives the clamp frame 4 to rotate clockwise, and at the same time, the bracket 5 also rotates clockwise. , the track pin 52 slides upwards from the bottom of the Z-shaped groove 80, that is, drives the bracket 5 to move upwards, thereby lifting the clamp 6, so that the disc 9 can be ejected.

In summary, the utility model mainly utilizes the cooperation between the Z-shaped groove and the track pin, that is, in a rotating manner, and the upper clamp body is positioned downward to position the disk so that the disk is at a certain distance from the optical reading head. And effectively reduce the space and mechanism of the clamping device.

But above-mentioned is only the preferred feasible embodiment of the present utility model, does not limit the scope of implementation of the present utility model accordingly, so all the equivalent structural changes made by using the utility model description and accompanying drawings are all in the same way All are included in the protection scope of the claims of the present utility model.

Claims (7)

1. A disc clamping device for an optical drive, characterized in that it comprises: A base plate, which is provided with a through hole, and a slider and a control rod that can be linked to each other are connected to an appropriate place on the base plate; An upper clamp body, which is formed by properly connecting a clamp frame, a bracket and a clamp, and the upper clamp body can be placed between the through holes of the substrate, wherein the clamp frame can be suitably It is connected to the above-mentioned slider, and the periphery of the bracket is provided with several track pins, and the clamp can cooperate with a rotating disk to clamp a disk therebetween; and Several sliding seats are fixed on the through-hole peripheral plate surface of the base plate, and the sliding seats are provided with tracks corresponding to those track pins, and the two ends of the track have height differences. 2. The disc clamping device for CD-ROM as claimed in claim 1, characterized in that the base plate is provided with several sliding seat holes and sliding pins at the periphery of the through hole; the periphery of the clamp frame is provided with several corresponding The sliding groove is connected with the sliding pin; the sliding seat is provided with a sliding seat fixing hole, and is fixed to the sliding seat hole of the base plate by screws. 3. The disc clamping device for an optical drive as claimed in claim 1, characterized in that the base plate is pivoted with a right link and a left link that can move relative to the appropriate position, and the left link is threaded on the left link. A control rod positioning hole is provided, and the control rod can be pivotally connected to the control rod positioning hole of the left connecting rod. 4. The disc clamping device for an optical drive as claimed in claim 1, characterized in that the side end of the base plate is provided with a control rod guide pin hole; the surface of the slider is perforated with a control rod guide pin groove; One end of the control rod is provided with a disk pushing arm, and the other end is provided with a control rod guide pin, and the control rod guide pin can pass through the control rod guide pin hole of the base plate and the control rod guide pin groove of the slider at the same time. 5. The optical drive disc clamping device as claimed in claim 1, characterized in that the base plate is provided with two groove pins of the slider at an appropriate distance, and the slider is provided with two correspondingly connected to the two pins. Slider groove for slider groove pin. 6. The disc clamping device for CD-ROM as claimed in claim 1, characterized in that the upper clamp body is provided with several bracket pins on the periphery of the clamp frame; and the bracket has a stepped inner , outer ring, and bracket pin holes corresponding to those bracket pins are provided on the periphery of the outer ring; in addition, the clamp has upper and lower edge surfaces with an appropriate spacing, and the inner ring of the bracket Place it in the same space between the upper and lower edges. 7. The disc clamping device for an optical drive according to claim 1, wherein the track of the sliding seat can be a Z-shaped groove or a Z-shaped slope.

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