CN2798246Y - Disc clamping device for a suction movement - Google Patents

Abstract

A disk clamping device of suction type movement comprises an inner slide piece and a clamping piece of an inner slide piece, wherein the rear end of the clamping piece is pivoted on the inner slide piece, the front end of the clamping piece is a free end which can be upwards turned within a certain angle, a clinging structure is arranged between the clamping piece and the inner slide piece, a separating device which separates the clamping piece from the inner slide piece when the inner slide piece is positioned at a position for reading and writing a disk is arranged on the inner slide piece, an accommodating groove which is adaptive to the diameter of a large disk and accommodates the large disk is arranged on the inner slide piece, the inner slide piece is of an integral structure, a resisting part which is adaptive to the diameter of a small disk and forms a small disk accommodating space is arranged on the clamping piece, and a disk distribution structure which identifies the large disk and the small disk is arranged at the position where the disk is firstly contacted with the resisting part during disk feeding.

Description

Disc clamping device for a suction movement

Technical field:

The utility model relates to a disc clamping device of a suction-type core, in particular to a disc clamping device of a suction-type core which is compatible with large and small discs.

Background technique:

I have provided a suction-type movement in patent applications such as patent application numbers 03274812.4, 03274815.9 and 03146985.X. This type of suction-type movement adopts inner sliders, clips and disks in order to achieve compatibility between large and small discs. The inner slider device of the compatible device, the rear end of the clip is pivotally connected with the inner slider, the front end of the clip is a free end that can be turned over at a certain angle, and there is a close-fitting structure between the clip and the inner slider. The appropriate position on the surface is protruded with a separation device that separates the clip and the inner slider when the inner slider is in the position of reading and writing the disc; the disc compatibility device is movably connected to the inner slider, and the front end of the disc compatibility device is a The free end that turns over at a certain angle is provided with a small disk accommodation groove that is compatible with the diameter of the small disk in the direction that the disk compatible device enters the disk, and is also provided on the inner slider that is compatible with the diameter of the large disk. The large disc accommodation slot is equipped with a disc distribution structure at the front end of the disc compatible device, and a tight structure is provided between the disc compatible device and the inner slider, and the clips, the disc compatible device, and the inner slider are connected to each other. snug. When the disc is put in, it contacts the disc distributing structure, because the disc compatible device can be turned over at a certain angle, and the large and small discs enter the corresponding position to achieve the purpose of compatibility with large and small discs; the clip of this structure The holding device has the advantages of stable and reliable clamping, but it consists of many parts and complex assembly, which is not suitable for the current market demand for ultra-thin products, and also directly affects the production cost.

Invention content:

The purpose of this utility model is to provide a mechanism that converts the function of the compatible device to the clip on the basis of the original structure of the compatible large and small discs, that is, it can realize the compatibility of large and small discs without the original disc compatible device. disk clamping device.

A disk clamping device for realizing the object of the present utility model, including an inner slider and a clip for clamping and transmitting the disk, the rear end of the clip is pivotally connected to the inner slider, and the front end can be turned upwards within a certain angle The free end of the clip is provided with a close-fitting structure between the clip and the inner slider. When the inner slider is in the position of reading and writing the disc, the separating device separates the clip and the inner slider. The inner slider is provided with a The diameter of the large disk is suitable for the accommodation groove for the large disk. The inner slide is an integral structure. A disk allocation structure for identifying large and small disks is provided at the position where the time disk and the resisting portion first contact. The technical proposal does not need a disk compatibility device pivotally connected to the inner sliding member, so that the size compatibility of the disks can be realized. In this technical solution, there may be a through slot at the appropriate position of the clip and the inner slide to expose the disk read-write head suction-type movement, and the slot may not be opened. When the disk moves to the corresponding read-write head position, When the inner slider continues to move forward for a certain distance so that the inner slider avoids the read-write head of the movement or the disk moves to the corresponding position of the read-write head, the inner slide has avoided the read-write head of the movement. When inserting the large disk, because the diameter of the large disk exceeds the inner diameter of the resisting part on the lower surface of the clip, the edge of the disk first contacts the disk distribution structure, and the clip is lifted upward by the disk, so that the disk enters the large disk on the inner slider When inserting the small disc, the small disc enters the small disc accommodation space formed by the resisting part, realizing the compatibility between the large disc and the small disc. When the disk is placed between the clip and the inner slider, the tight structure between the clip and the inner slider will clamp the disk, and at the same time the disk can also move between the clip and the inner slider until it enters the corresponding Location. The inner slider of this technical solution cannot rotate downward relative to the clip, but the clip can only be flipped up relative to the inner slider, and the entire clip and the inner slider move down together to the read-write disk position to read and write disk or The read-write head rises to read and write the disk.

As an improvement of the utility model, the resisting part is provided with arc-shaped retaining rings with a diameter slightly larger than or equal to the diameter of the small disk on both sides of the surface of the clip facing the inner slide, and the arc of the arc-shaped retaining rings on both sides is less than or equal to half The disc distribution structure is a guiding slope or guiding arc surface at the front end of the arc retaining ring. When the small disk is inserted, the small disk enters the arc-shaped retaining ring of the clip, and is pressed against the inner slide by the clip. When inserted into the target position, the disk is driven into the reading and writing disk position by the driving device. ; When inserting the large disc, because the diameter of the large disc exceeds the inner diameter of the arc-shaped retaining ring on the surface of the clip, the edge of the disc first contacts the guide slope or the guide arc surface at the outer end of the retaining ring, and the arc-shaped retaining ring surface of the clip is caught by the disc Lift up, so that the disk enters the inner slide and is pressed by the clip. When inserted into the target position, the disk is driven by the drive device into the position of reading and writing the disk; otherwise, the disk is reversed and withdrawn. If the edge of the small disc first touches the guide inclined surface or the guide arc surface at the outer end of the retaining ring, even if the arc retaining ring of the clip is lifted upward by the disc, the disc enters the disc accommodation groove of the inner slider, so The discs cannot simultaneously contact the signal switches connected in series in the inner slide, and the circuit cannot be conducted, so the small discs cannot enter the suction-type movement.

As an improvement of the utility model, the separating device for separating the free end of the clip from the inner slider includes a protruding slanted block on the direction of the clip towards the position of the inner slider, and the slanted block can pass through the inner slider to correspond The hole position of the inner slider cooperates with the protrusion provided at the corresponding position in the housing. When the inner slider moves to the position of the read-write disk, the inclined block can pass through the corresponding hole position of the inner slider to lift the upper protrusion of the housing, so that the clip The free end is separated from the inner slide.

As an improvement of the utility model, a slot for a signal switch activated by the driving device when the small disk is inserted is provided at an appropriate position of the clip.

As an improvement of the utility model, the close-fitting structure between the clip and the inner slider is as follows: on the inner slider, there is an iron piece at the place where the disk is entrusted, and there is an iron piece at the corresponding position of the clip that can be sucked and pressed tightly with the iron piece. Disc magnets.

As another improvement of the utility model, the close-fitting structure between the clip and the inner slider is: a tension spring is connected between the inner slider and the clip.

As a further improvement of the utility model, one or more guide rods are provided on the inner slider, and the guide rods cooperate with the corresponding guide rails on the housing. The guide rails may not be at the same height, and the guide rails are arranged along the disc entry direction. , the rear end of the guide rail is smoothly transitioned downward and bends at the lower bending point to extend a section of track parallel to the guide rail to form Type, the lower bending point at the tail of the guide rail corresponds to the position of the guide rod when the inner slider brings the disk into the disk tray position of the spindle motor or the disk is within the range of the disk tray position.

As a further improvement of the utility model, there is a through slot at the proper position of the clip and the inner sliding piece, which can expose the disk read-write head suction-type movement.

Realizing a disk clamping device of the present invention, the function of the original disk compatible device pivotally connected to the transfer plate of the compatible large and small disk cores is transferred to the clip, thereby reducing and optimizing the components of the device , simplifies the production and assembly process, further makes the structure simple, reduces the manufacturing precision, reduces the cost and reduces the thickness of the movement, has the advantages of good disc clamping effect, simple structure, ultra-thin suction movement, convenient use, low cost, small size Advantages of disc compatible use.

Description of drawings:

Fig. 1 is the assembly structure schematic diagram of the present utility model

Fig. 2 is the schematic diagram of the mechanism of the clip of the utility model

Specific examples:

型，导轨15尾部的下弯点对应内滑件1将盘片带入到主轴电动机的盘片托盘位置或盘片在盘片托盘位置范围内时其导杆所处的位置。当插入小盘片时，小盘片进入夹片2的弧形挡圈8内，并通过夹片2上的磁块5压紧在内滑件1上，插入到目的位置时使盘片经驱动装置带动进入读写盘片位置；当插入大盘片时，因大盘片直径超出夹片2下表面的弧形挡圈8的内径，盘片边沿首先接触挡圈8外端的导向斜面9，夹片2随弧形挡圈8被盘片向上顶起，使盘片进入内滑件1内的容置槽11并通过夹片2上的磁块5及内滑件1上的铁片6相吸贴紧，插入到目的位置时使盘片经驱动装置带动进入读写盘片位置，当内滑件进入到读写盘位置时，壳体14(未示出)内凸设的凸块(未示出)顶起夹片2上的斜块7使夹片2张开与内滑件1分离；反之，盘片逆向退出。如果是小盘片边沿首先接触弧形挡圈8外端的导向斜面9，即使夹片2的弧形挡圈8被盘片向上顶起，盘片进入内滑件的盘片容置槽11上，因盘片无法同时接触串连在内滑件3内的信号开关，电路无法导通，故小盘片也无法进入吸入式机芯内。As shown in Figure 1 and Figure 2, the structure of a disc clamping device includes an inner slider 1 and a clip 2 for clamping and transmitting discs, and the inner slider 1 is provided with a disc suitable for the diameter of the large disc. The large disc accommodation groove 11, the appropriate position of the inner slider 1 is provided with a rack 12 meshing with the motor-driven worm gear and a limit device to prevent the inner slider from detaching from the worm gear, the clip 2 and the inner slider 1 There is a through slot 4 that can expose the disk read-write head suction-type movement at the appropriate position. The clip 2 is installed on the inner slider 1. The rear end of the clip 2 is pivotally connected with the inner slider 1. The clip 2 The front end is a free end that can be turned over at a certain angle. The clip 2 is provided with a magnetic block 5, and the inner slider 1 is provided with an iron sheet 6 corresponding to the position of the magnetic block 5; on the lower surface of the clip 2 A protruding slanting block 7 is provided, and the slanting block 7 can pass through the corresponding hole of the inner slider 1 and interact with the protruding block (not shown in the figure) at an appropriate position in the housing to make the free end of the clip 2 and the The inner slider 1 is separated; the two sides of the front end of the lower surface of the clip 2 are provided with an arc-shaped retaining ring 8 with a diameter slightly greater than or equal to the diameter of the small disk, and the arc-shaped retaining ring 8 on both sides has an arc less than or equal to half an arc. The front end of the arc-shaped retaining ring 8 is provided with a guide slope 9, and a slot 10 for the signal switch activated by the driving device when the small disk is inserted is opened at the appropriate position of the clip 2; one or more than one guide rod 13, the guide rod 13 cooperates with the corresponding guide rail 15 provided on the housing 14, the guide rails 15 are not at the same height, the guide rail 15 is arranged along the disc entry direction, the rear end of the guide rail 15 is smoothly transitioned downward and extends at the lower bending point A section of track parallel to guide rail 15 forms

Type, the lower bending point at the tail of the guide rail 15 corresponds to the position of the guide rod when the inner slider 1 brings the disk into the disk tray position of the spindle motor or the disk is within the range of the disk tray position. When the small disk is inserted, the small disk enters the arc retaining ring 8 of the clip 2, and is pressed against the inner slider 1 by the magnetic block 5 on the clip 2. When inserted into the target position, the disk passes through The driving device drives it into the position of reading and writing the disk; when inserting the large disk, because the diameter of the large disk exceeds the inner diameter of the arc-shaped retaining ring 8 on the lower surface of the clip 2, the edge of the disk first touches the guide inclined surface 9 at the outer end of the retaining ring 8, clamping The disc 2 is lifted up by the disc along with the arc-shaped retaining ring 8, so that the disc enters the accommodation groove 11 in the inner slider 1 and passes through the magnetic block 5 on the clip 2 and the iron plate 6 on the inner slider 1. When inserted into the target position, the disk is driven into the read-write disk position by the drive device. When the inner slider enters the read-write disk position, the protrusion ( (not shown) lift up the inclined block 7 on the clip 2 to make the clip 2 open and separate from the inner slider 1; otherwise, the disc is withdrawn reversely. If the edge of the small disc first touches the guide inclined surface 9 at the outer end of the arc retaining ring 8, even if the arc retaining ring 8 of the clip 2 is lifted up by the disc, the disc enters the disc accommodation groove 11 of the inner slider , because the discs cannot contact the signal switches connected in series in the inner slider 3 at the same time, the circuit cannot be conducted, so the small discs cannot enter the suction-type movement.

Claims (8)

1. the disc clamping device of an inhalation type machine core, comprise the interior saddle and the intermediate plate that transmit disc, the rear end of intermediate plate is articulated on the interior saddle, front end be can be in certain angle resupinate free end, between intermediate plate and interior saddle, be provided with clinging structure, interior saddle be in read-write during disk location with intermediate plate, the tripping device that interior saddle separates, it is characterized in that: interior saddle is an one-piece construction, on intermediate plate, be provided with the small disc diameter and adapt, form the blocking part of small disc accommodation space, when advancing to coil disc and blocking part at first position contacting be provided with the disc distribution structure of the big small disc of identification, on interior saddle, be provided with the big disk plate diameter and adapt, the storage tank of ccontaining big disk plate.

2. the disc clamping device of a kind of inhalation type machine core as claimed in claim 1, it is characterized in that: described blocking part is for to be provided with the arc back-up ring that diameter is a bit larger tham or equals the small disc diameter at intermediate plate towards the both sides on the surface of interior saddle, the radian of the arc back-up ring on both sides is less than or equal to circular arc half, and the disc distribution structure is the guiding surface or the guiding circular arc face of arc back-up ring front end.

3. the disc clamping device of a kind of inhalation type machine core as claimed in claim 2, it is characterized in that: the described tripping device that the free end of intermediate plate is separated with interior saddle is included in the skewback that the direction of intermediate plate towards interior saddle position is provided with projection, and skewback can cooperate through the projection that correspondence position in the Kong Weiyu housing of interior saddle correspondence is provided with.

4. the disc clamping device of a kind of inhalation type machine core as claimed in claim 3 is characterized in that: the groove position of the signaling switch that drive unit starts when having the small disc insertion in the appropriate location of intermediate plate.

5. the disc clamping device of a kind of inhalation type machine core as claimed in claim 4, it is characterized in that: the clinging structure between described intermediate plate, interior saddle is: entrust the disc place to be provided with iron plate on interior saddle, be equipped with and can inhale the magnet that compresses disc mutually with iron plate at the correspondence position of intermediate plate.

6. the disc clamping device of a kind of inhalation type machine core as claimed in claim 4, it is characterized in that: the clinging structure between described intermediate plate, interior saddle is: be connected with extension spring between saddle and intermediate plate in described.

7. as the disc clamping device of the described a kind of inhalation type machine core of the arbitrary claim of claim 1 to 6, it is characterized in that: on interior saddle, be provided with one or more than one guide rods, guide rod be located at housing on corresponding guide rail cooperate, guide rail can be on sustained height, guide rail arranges that along the disc approach axis guide rail rear end seamlessly transits bending downwards and extends one section track formation parallel with guide rail at following curved point Saddle is brought into the disk tray position of spindle drive motor or the disc residing position of its guide rod in the disk tray position range time with disc in the type, guide rail afterbody following curved corresponding.

8. the disc clamping device of a kind of inhalation type machine core as claimed in claim 7 is characterized in that: have the groove that can expose disc read/write head inhalation type machine core in the appropriate location of intermediate plate and interior saddle.

Images