WO2006022233A1 - アース装置、および電気機器 - Google Patents
アース装置、および電気機器 Download PDFInfo
- Publication number
- WO2006022233A1 WO2006022233A1 PCT/JP2005/015222 JP2005015222W WO2006022233A1 WO 2006022233 A1 WO2006022233 A1 WO 2006022233A1 JP 2005015222 W JP2005015222 W JP 2005015222W WO 2006022233 A1 WO2006022233 A1 WO 2006022233A1
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- WO
- WIPO (PCT)
- Prior art keywords
- grounding device
- conductive
- rail
- device characterized
- support
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
- G11B17/02—Details
- G11B17/04—Feeding or guiding single record carrier to or from transducer unit
- G11B17/05—Feeding or guiding single record carrier to or from transducer unit specially adapted for discs not contained within cartridges
- G11B17/053—Indirect insertion, i.e. with external loading means
- G11B17/056—Indirect insertion, i.e. with external loading means with sliding loading means
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B33/00—Constructional parts, details or accessories not provided for in the other groups of this subclass
- G11B33/14—Reducing influence of physical parameters, e.g. temperature change, moisture, dust
- G11B33/1493—Electro-Magnetic Interference [EMI] or Radio Frequency Interference [RFI] shielding; grounding of static charges
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
- G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
- G11B7/0857—Arrangements for mechanically moving the whole head
- G11B7/08582—Sled-type positioners
Definitions
- the present invention relates to a grounding device for grounding a moving body, and an electric device.
- a disk drive that performs recording and playback of a recording medium such as a CD (Compact Disk) or a DVD (Digital Video Disc) has been designed to be thin so as to be attached to a notebook personal computer or the like.
- a so-called slim disk drive In such a slim disk drive, in order to reduce the thickness of the apparatus, there is a case where a power driving unit that is driven by supplying power is provided on a tray on which a recording medium is placed, and the ground structure of the power driving unit of such a tray is provided.
- Patent Documents 1 to 3 for example, see Patent Documents 1 to 3).
- Patent Document 1 The device described in Patent Document 1 is an optical disk device in which a drawer is stored in a cabinet.
- This drawer has a disk recording Z playback unit that records information on the optical disk and plays back the recorded information, a drawer cover that covers and protects part of the disk recording Z playback unit, and an optical disk.
- a tray With a tray.
- the drawer is provided with a drawer discharge slider which is slidably provided via a metal shaft. The pressure contact portion at one end of the drawer discharge slider is in contact with the conductive contact portion of the drawer in a state where the drawer is stored in the cabinet, thereby forming a ground for a disk recording z reproducing unit or the like.
- the device described in Patent Document 2 is configured to obtain a discrepancy force or all of a disc-removing / moving tray of an optical disc device, a rail member that supports the tray, and a rail holding member that holds the rail member. It is made of conductive grease.
- the tray and the rail member are slidably contacted with each other, and the rail member and the rail holding portion are slidably contacted with each other. Further, the rail holding part and the bottom case are connected so as to be conductive.
- the static electricity charged to the tray is discharged from the tray through the rail member and rail holder, and the bottom case is discharged to prevent electrostatic charge on the tray.
- the device described in Patent Document 3 is a metal leaf spring portion on both sides of a disk mounting table.
- the material is supported, and a lock member is provided at the table insertion / extraction port on both inner wall surfaces of the casing.
- the locking member has a locking hole for inserting and locking the engagement protrusion of the leaf spring, and the movement of the disk mounting table is restricted by locking the engagement protrusion with this locking hole. is doing.
- the leaf spring member comes into contact with the inner wall surface of the housing and is grounded.
- Patent Document 1 Japanese Patent Application Laid-Open No. 2002-367358 (page 4, right column, page 5, left column, Fig. 3)
- Patent Document 2 JP 2003-187514 (right column on page 3-right column on page 4)
- Patent Document 3 Japanese Patent Application Laid-Open No. 06-302080 (Page 2, right column, page 3, left column, Fig. 4) Disclosure of the Invention
- An object of the present invention is to provide a grounding device and an electric device that can easily form a stable grounding structure at all times.
- the ground device of the present invention includes an opening and a holding member provided in a housing space having a housing space communicating with the outside through the opening, and the holding member via the opening.
- a conductive support member that is guided and held so as to be able to advance and retreat, a movable body that is guided and held so as to be able to advance and retreat through the opening, and that is provided with an electric drive unit that is driven by electric power.
- a conductive conductive member provided on a movable body and electrically connected to the electric drive unit and the support member, and a range in which the support member is guided and held by the holding member within a range in which the support member moves forward and backward And a conductive support conductive member disposed in a state of being electrically connected to the support member.
- the ground device of the present invention includes an electrically conductive holding member provided in a housing space of a housing having an opening and a housing space communicating with the outside through the opening, and the opening provided in the holding member.
- a conductive support member that is guided and held through a portion and is electrically connected to the holding member, and is guided and held by the support member through the opening and is driven by electric power.
- a conductive body provided on the movable body and electrically connected to the electrical drive section and the support member.
- An electrical device of the present invention includes the above-described grounding device of the present invention, a housing having an opening, and an electric unit that is driven by electric power and is at least partially configured as the electric drive unit. It is characterized by that.
- FIG. 1 is a plan view with a part cut away showing a schematic configuration of a disk device according to an embodiment of the present invention.
- FIG. 2 is an enlarged plan view of a contact position between a protection member of a disk device and a rail.
- FIG. 3A is an enlarged plan view of a first ground spring.
- FIG. 3B is an enlarged side view of the first ground spring.
- FIG. 3C is an enlarged plan view of the second ground spring.
- FIG. 3D is an enlarged side view of the second ground spring.
- ⁇ 4 It is a side view of the disk device when one side force is also seen.
- FIG. 5 is a cross-sectional view of the disk device as viewed from the front side.
- FIG. 6 is a plan view with a part cut away showing a schematic configuration in a state where the tray portion has advanced.
- FIG. 7 is a side view of the disc device in a state where the tray portion is ejected.
- FIG. 8 is a partially cutaway plan view showing a schematic configuration of a disk device according to another embodiment of the present invention.
- FIG. 1 is a plan view with a part cut away showing a schematic configuration of a disk device according to an embodiment of the present invention.
- FIG. 2 is an enlarged plan view of the contact position between the protection member of the disk device and the rail.
- 3A to 3D are an enlarged plan view and a side view of the first ground spring and the second ground spring, respectively.
- Fig. 4 is a side view of the disk device viewed from one side.
- FIG. 5 is a cross-sectional view of the disk device when the front side force is also seen.
- FIG. 6 is a plan view with a part cut away showing a schematic configuration in a state where the tray portion has advanced.
- FIG. 7 is a side view of the disk device in a state where the tray portion is ejected.
- reference numeral 100 denotes a disk device, and this disk device 100 is called a so-called slim disk device (or slim disk drive) that is mounted on an electric device such as a portable personal computer.
- the disk device 100 is a reading process that is information processing for reading information recorded on a recording surface (not shown) provided on at least one surface of a surface-shaped recording medium that is detachably mounted, for example, a CD or a DVD. At least one of the recording processes, which is information processing for recording various information on the recording surface, is performed.
- the disk device 100 includes a case body 200 as a substantially square box-shaped housing made of, for example, metal, having an internal space and having one side surface opened.
- the case body 200 has an opening 201 on one side and is formed in a box shape having a hollow accommodating space inside.
- the case body 200 is formed, for example, by covering a surface of aluminum with a conductive covering material. In addition to the configuration in which the covering material is covered, it may be formed of a conductive metal such as copper.
- the case body 200 is provided with a ground wire (not shown), and is always provided in the disk device 100 in a grounded state.
- the case body 200 is provided with a tray section 300 as a moving body through the opening 201 so as to freely advance and retract. Further, inside the case body 200, a conveying means 200A for moving the tray section 300 back and forth, a rail section 250 arranged along the forward and backward direction of the tray section 300, and an operation for controlling the entire operation of the disk device 100 are illustrated. A control circuit unit that does not. [0020]
- the rail portion 250 is arranged from the opening of the case body 200 and along the advancing / retreating direction of the tray portion 300, and supports the tray portion 300 so that the opening force of the case body 200 can also advance and retreat.
- the rail portion 250 includes a first rail guide 260A as a holding member, a second rail guide 260B as a holding member, a first rail 270A as a supporting member, and a second rail as a supporting member. 270B, a second ground spring 280 as a supporting conductive member, and the like.
- the first rail guide 260A is provided on the inner surface side of one side surface of the case body 200 along the forward and backward direction of the tray section 300 from the opening 201 of the case body 200.
- the first rail guide 260A is formed of a non-conductive material such as synthetic resin and has a substantially U-shaped cross section. That is, the first rail guide 260A has a concave groove portion on the first rail 270A side. Further, the first rail guide 260A forms a raised portion 261 with its lower end side facing upward in a sectional view.
- a first rail 270A is slidably provided inside the first rail guide 260A.
- a through hole 262 through which the second ground spring 280 is passed is provided at the approximate center in the longitudinal direction of the first rail guide 260A.
- a rail slide stopper 263 for restricting the sliding of the first rail 270A is provided in the direction in which the tray 300 is stored from the through hole 262, that is, on the back side.
- the second rail guide 260B is provided to face the first rail guide 260A from the opening 201 of the case body 200 along the advance / retreat direction of the tray section 300.
- the second rail guide 260B is disposed along the thick portion of the tray portion 300 so as not to protrude from the placement surface 321 on which the recording medium of the tray portion 300 is placed.
- the second rail guide 260B has a substantially U-shaped cross section. That is, the second rail guide 260B is formed with a concave groove portion on the second rail 270B side.
- the second rail guide 260B is formed with a rail slide stopper 263 at a substantially central position in the longitudinal direction, similarly to the first rail guide 260A.
- the rail slide stopper 263 is provided at least on the depth side of the through hole 262 provided in the first rail guide 260A.
- the first rail 270A has excellent wear resistance, such as stainless steel and hard steel, and is a metal powder. It is made of a conductive metal material that is difficult to generate.
- the first rail 270A has a substantially U-shaped cross section. That is, a concave groove portion is formed along the forward and backward direction of the tray portion 300. Further, the first rail 270A is formed in such a size that the outer peripheral surface is substantially in contact with the inner peripheral surface of the concave groove portion of the first rail guide 260A. At this time, the first rail 270A is positioned in the left-right direction at the upright portion 261 of the first rail guide 260A.
- the first rail 270A is slidably provided with a tray portion 300.
- a rail sliding stop protrusion 272 is formed at the end of the first rail 270A on the depth side.
- the rail slide stop protrusion 272 is in contact with the rail slide stop portion 263, thereby preventing the first rail 270A from protruding from the opening 201.
- an upright portion 271 as a movement restricting member is formed at the end of the first rail on the opening 201 side.
- the surface of a non-conductive material such as a synthetic resin may be coated with conductive metal plating.
- use metal plating that has low wear resistance, such as aluminum, and metal treatment that enhances wear resistance on the surface of the material for example, rails that have been subjected to plating treatment such as chromium plating and rhombus plating.
- the second rail 270B is formed of a conductive metal material having wear resistance such as stainless steel or hard steel and has a substantially U-shaped cross section. In other words, a concave groove portion is formed along the forward and backward direction of the tray portion 300.
- the second rail guide 260 is slidably supported so as to be substantially in contact with the inner peripheral surface of the groove portion of the second rail guide 260 ⁇ .
- a rail slide stop protrusion 272 is formed on the end of the second rail 270 ⁇ ⁇ opposite to the opening 201.
- the rail slide stop projection 272 is moved to the rail slide stop 263 ⁇ of the second rail guide 260 ⁇ . This contact prevents the second rail 270 ⁇ from popping out.
- a rising portion (not shown) is formed in the cross section at the end on the opening 201 side.
- the force shown in the example using stainless steel or hard steel as the material for the second rail is not limited to this.
- the surface of a nonconductive material such as synthetic resin may be coated with a conductive metal plating.
- wear-resistant material such as aluminum has a low wear resistance. You can use metal plating that enhances wear resistance, for example, rails that have been subjected to plating treatment such as chromium plating or rhodium plating!
- the second ground spring 280 is a tongue-like plate spring provided in the case body 200 and biased by the first rail 270A. That is, it is provided in the case body 200 on the first rail guide 260A side, and is formed through the through hole 262 of the first rail guide 260A so as to protrude to the first rail 270A side.
- the second ground spring 280 is made of a conductive metal and has a substantially plate shape. Note that the tip of the second ground spring 280 may be formed to be bent at an acute angle with respect to the first rail 270A at the contact position with the first rail 270A. .
- the second ground spring 280 biases the first rail 27 OA toward the tray section 300 side. Further, the first rail 270 A is electrically connected to the case body 200 by the second ground spring 280.
- the shape of the second earth spring 280 is not limited to a substantially plate shape, and may be formed in a rod shape or a coil shape, for example.
- the tray unit 300 includes a substantially plate-like tray 310 formed of a non-conductive material such as a synthetic resin, for example, and an inner portion of the case body 200 by a conveying means 200A provided at one edge of the tray 310. And a decorative board 320 formed into an elongated plate shape with a synthetic resin or the like that closes the opening of the case body 200 in the retracted state. On one surface of the tray 310, a mounting surface 321 for mounting a recording medium is provided on one surface of the tray 310.
- the tray 310 has a mounting opening 300A formed in the substantially central portion.
- the side surface of the tray 310 is in contact with the inner surface side of the first and second rails 270A, 270B and is slidably held so as to be able to advance and retreat from the opening 201. Further, a contact surface (not shown) is provided on the side surface of the tray 310 as a movement restricting stop portion. The tray 310 is prevented from coming off from the case body 200 because its contact surface abuts against an upright portion (not shown) provided on the first and second rails 270A and 270B. .
- a disk processing section 330 as an electric drive section is disposed so that a part thereof faces the mounting opening 300A of the tray 310. Further, the tray 310 is provided with a protective member 360 that protects the disk processing unit 330.
- the disk processing unit 330, the control circuit unit described above, and the like constitute the electric unit of the present invention. [0028] As shown in FIG. 1, FIG. 3A to FIG. 3D, and FIG. And a processing substrate 350 as a conductive portion.
- the pedestal portion 340 is provided with disk rotation driving means 341 located in the vicinity of the periphery.
- the disk rotation driving means 341 includes a rotating electric motor (not shown) which is a spindle motor, and a turntable 342 provided integrally with the output shaft of the rotating electric motor.
- a processing moving means 344 is disposed on the pedestal portion 340.
- the processing moving means 344 includes a pair of guide shafts 345 disposed on the pedestal portion 340 so that the axial directions thereof are substantially parallel to each other, and a moving electric motor 346.
- a lead screw 346A having a helical engagement groove on the outer peripheral surface is integrally and coaxially connected to an output shaft (not shown) of the mobile electric motor 346.
- an information processing unit 347 supported by the processing moving means 344 is disposed on the pedestal unit 340.
- the information processing unit 347 includes a movement holding unit 348 that is held in a state of being bridged between the pair of guide shafts 345.
- the movement holding portion 348 includes a movement restricting claw that engages with an engaging groove of a holding portion 348A in which the guide shaft 345 is movably inserted and a lead screw 346A connected to the output shaft of the electric motor 346.
- Part 348B is provided!
- the movement holding unit 348 of the information processing unit 347 is connected to the control circuit unit so as to be able to transmit and receive signals, and reads and outputs various information recorded on the recording surface of the recording medium under the control of the control circuit unit.
- An optical pickup 349 is provided as a pickup unit for performing a reading process for outputting to the circuit unit and a recording process for recording various information from the control circuit unit on the recording surface.
- the pedestal portion 340 is screwed to the tray 310 via three drive holding portion float rubbers 340A.
- the float rubber 340A is an annular member formed of an elastic member such as a synthetic resin. The float rubber 340A reduces the vibration of the entire tray section 300.
- the processing substrate 350 is fixed to the tray 310.
- the processing board 350 is connected to a control circuit unit and a disk processing unit 330 such as a spindle motor, a mobile electric motor 346, or an information processing unit 347.
- the control circuit unit force also spins based on the transmitted signal It controls the drive of the dollar motor, mobile electric motor 346, information processing unit 347, and the like.
- the processing of the disk processing unit 330 is controlled based on the signal transmitted from the control circuit unit, and a predetermined signal is transmitted to the control circuit unit based on the information obtained from the recording medium force.
- the processing substrate 350 is provided with a ground hole 351.
- the ground hole 351 is formed in a substantially annular shape from a conductive material such as aluminum or copper.
- the ground hole 351 is electrically connected to the spindle motor, the mobile electric motor 346, the information processing unit 347, and the like on the processing board 350.
- the protection member 360 is attached from the surface opposite to the placement surface 321 of the tray section 300, and is attached to cover the disk processing section 330.
- the protective member 360 is formed in a substantially rectangular plate shape with a metal material such as aluminum having conductivity such as aluminum.
- the conductive member may be a synthetic material having conductivity in addition to a metal material such as aluminum.
- the protective member may be configured to be coated with an EMC conductive paint for improving conductivity as a coating agent or a shielding agent for blocking electromagnetic waves.
- a first ground spring 361 as a conductive member that contacts the first rail 270A is provided at the end of the protective member 360 opposite to the opening 201.
- the first earth spring 361, the first renole 270A, and the case body 200 constitute the earth device 370 of the present invention.
- the first ground spring 361 is made of a conductive material such as metal.
- the first earth spring includes an earth main body 361A formed longitudinally with respect to the advancing / retreating direction of the tray section 300, a conductive hole 361B in contact with the protection member 360, and a spring section 361C.
- the first earth spring 361 is provided at a position where it comes into contact with the first rail 270A! /!
- Earth main body 361A is attached to protective member 360 by conductive hole 361B.
- the spring portion 361C is made of a metal material and has conductivity.
- the spring portion 361C extends obliquely from the opening side of the tray 310 toward the depth side and is biased toward the first rail 270A. Further, the tip of the spring portion 361C is bent at an abutting position 361C1 with the first rail 270A so as to have an acute angle with respect to the first rail 270A.
- the first ground spring 361 brings the conductive hole 361B and the protective member 360 into contact with each other. By bringing the spring part 361C and the first rail 270A into contact, the protective member 360 and the first rail 270A are electrically connected! /
- the protective member 360 is provided with a mounting hole (not shown) at a position corresponding to the ground hole 351 provided in the processing substrate 350. Then, the protective member 360 is fixed by screwing a conductive screw such as a metal into the tray 310 via the ground hole 351 of the processing board 350 as well as the mounting hole. At this time, the ground hole 351 of the processing substrate 350 and the protection member 360 are electrically connected by the conductive screw.
- the protective member 360 at the position where the first ground spring 361 is installed, the protective member 360, the ground hole 351 of the processing board 350, and the conductive hole 361B of the first ground spring 361 are electrically connected. Then, a conductive screw as a stopper is screwed into the tray portion 300 from the mounting hole and fixed so as to be connected to the cable.
- the control circuit unit is configured as a circuit configuration on, for example, a circuit board on which various electrical components are mounted.
- the control circuit unit includes a drive control unit that controls the operation of the optical pickup 349, an information processing unit that performs information processing such as reading processing and recording processing, and a light amount that performs adjustment processing of the light amount of laser light described later. Control means and the like are configured.
- the disk device 100 performs an operation of moving the tray unit 300 forward and backward from the opening 201 of the case body 200 by a setting input by the user.
- the protective member 360 When the tray unit 300 is stored in the case body 200, the protective member 360 is conductive as shown in FIG. 1 and is connected to the processing substrate 350 to which the electrical wiring of the disk processing unit 330 is connected. ing.
- the protective member 360 is connected to the end portion away from the opening 201 of the conductive first rail 270A by the conductive first ground spring 361. Further, the first ground spring 361 extending from the case body 200 is in contact with the substantially central portion of the first rail 270A, and is electrically connected to the case body 200.
- the case body 200 is connected to a ground wire (not shown).
- the electrical members such as the spindle motor, the mobile electric motor 346, and the information processing unit 347 of the disk processing unit 330 are the protection member 360, the first It is electrically connected to the case body 200 through the ground spring 361, the first rail 270A, and the second ground spring 280, and is grounded.
- the tray unit 300 slides along the first rail 270A. Further, the first rail 270A slides along the first rail guide 260A.
- the first rail 270A is always connected to the second ground spring 280 during the movement of the tray 300.
- the first ground spring 361 is provided on the deeper side than the stagger provided on the side surface of the tray 310, the first rail 270 A is connected to the first ground spring 361 during the movement of the tray section 300. Both are always in contact. Therefore, when the tray section 300 moves back and forth, the first rail 270A is always in a conductive state with the protection member 360 and the case body 200, and the disk processing section 330 of the tray section 300 is protected. It is electrically connected to the case body 200 via the member 360, the first Renore 270A, the second earth spring 280, and the first earth spring 361, and is grounded.
- the first ground spring 361 is provided on the depth side with respect to the stagger provided on the side surface of the tray 310, the first ground spring 361 is in contact with the first rail 270A. Therefore, the disk processing unit 330 of the tray unit 300 is electrically connected to the case body 200 via the protective member 360, the first rail 270A, the second ground spring 280, and the first ground spring 361. Grounded. [0046] [Effect of disk device]
- the first and second guide rails 260 A and 260 B are provided on the inner surface of the case body 200 so that the first and second rails 270 A and 270 B can be moved forward and backward.
- the tray section 300 including the first and second rails 270A, 270B force disk processing section 330 is supported so as to be able to advance and retreat.
- the tray section 300 is provided with a first grounding spring 361 that is electrically conductive to the disk processing section 330 and is in sliding contact with the first rail 270A.
- the first rail 270A includes a case body 200.
- a second ground spring 280 provided in the sliding contact is in sliding contact.
- the second ground spring 280 is provided so as to be connected to the first rail 270A in the forward / backward movement range of the first rail 270A.
- the electricity charged in the disk processing unit 300 is discharged from the ground wire via the first ground spring 361, the first rail 270A, the second ground spring 280, and the case body 200. Therefore, even if the tray section 300 is moved forward and backward by the case body 200 force, the first ground spring 361 can slide and contact the first rail 270A at all times. Therefore, the disk processing unit 330 can constitute a grounding structure that can always be easily grounded with a simple structure that conducts to the case body 200 via the first grounding spring 361 and the first rail 270A.
- the disk device 100 Even when the metal is charged due to the capacitor effect of the synthetic resin and the metal, the disk device 100 is always grounded, so that the grounded and charged electricity can be reliably removed. Therefore, it is possible to prevent the user from feeling uncomfortable and to prevent malfunction of the electric parts of the disk processing unit 330.
- case body 200 is formed of a conductive material, such as aluminum. Therefore, the case body 200 can be easily grounded by simply connecting a ground wire to the case body 200. Therefore, the grounding structure of the disk device 100 can be further simplified. In addition, since the electric charge charged to the disk processing unit 330 can be grounded without passing through the inside of an electric device such as a personal computer, a charging current flows through such an electric device so that it does not break down.
- the second ground spring 280 is provided in the case body 200, and is electrically connected to the first rail 270A through the through hole 262 of the first rail guide 26OA. Therefore, the first rail 270A can be electrically connected to the case body 200 with a simple configuration.
- the first rail 270A is formed of a material having excellent wear resistance, such as stainless steel, for example, the case body 200. For this reason, even if the first ground spring 361 is in sliding contact, it is difficult to be damaged. Therefore, generation
- the case body 200 is made of a material such as conductive aluminum. Therefore, the disk processing unit 330 can be easily grounded via the first ground spring 361, the first rail 270A, and the case body 200 simply by connecting a ground wire or the like to the case body 200.
- the spring portion 361C of the first earth spring 361 is biased toward the first rail 270A.
- the first rail 270A is urged toward the first rail guide 260A and is held between the first rail guide 260A and the first ground spring 361. Therefore, backlash of the first rail 270A can be prevented.
- the first ground spring 361 can be reliably brought into contact with the first rail 270A, the disk processing unit 330 can be securely grounded.
- the protection member 360 is attached to the tray 310 so as to cover the disk processing unit 330. For this reason, even if an external impact is applied, the protective member 360 can protect the shock by mitigating the impact, and the strength of the disk device 100 can be enhanced. Further, since the protective member 360 is formed of a conductive member such as aluminum, the processing substrate 350 and the protective member 360 can be easily fixed in a state where they are electrically connected by screwing or the like. Therefore, the troublesome work of connecting the protective member 360 and the processing substrate 350 with lead wires or the like becomes unnecessary, and the productivity can be improved.
- the protective member 360, the processing substrate 350, and the first ground spring 361 are tightened even if they are screwed together with conductive screws or the like. Therefore, the protection member 360, the processing substrate 350, and the first ground spring 361 can be easily fixed. In addition, since the protection member 360, the processing substrate 350, and the first ground spring 361 can be reliably conducted, the grounding of the disk processing unit 330 can also be reliably performed.
- the second ground spring 280 is passed from the case body 200 side to the first rail 270A side through the through-hole 261 provided in the first rail guide 260A, and is passed through the first rail 270A. Is in sliding contact. Therefore, the case body 200 and the first rail 270A are securely brought into contact with each other. be able to. Therefore, the disk processing unit 330 of the tray unit 300 can be grounded easily and reliably with a simple configuration.
- the second ground spring 280 is biased toward the first rail 270A. For this reason, the first rail 270A is urged toward the tray section 300 side, and the play caused by the gap between the first rail 270A and the tray section 300, the second ground spring 280, and the first rail 270A Can prevent backlash between the two.
- the through hole 262 through which the second ground spring 280 is passed is provided on the opening 201 side from the rail slide stopper 263. For this reason, even if the tray portion 300 moves forward and backward, the second ground spring 280 is always in sliding contact with the first rail 270A. Therefore, the second ground spring 280 can always be brought into contact with the first rail 270A with a simple configuration.
- the case body 200 is provided with a first rail guide 260A and a second rail guide 260B along the direction in which the tray section 300 is put in and out.
- the first rail guide 260A slidably holds the first rail 270A
- the second rail guide 260B slidably holds the second rail 270B. Therefore, the first and second rail guides 260A and 260B can be smoothly slid.
- the first and second rail guides 260A and 260B are made of synthetic resin. For this reason, the weight can be reduced compared to a rail guide made of metal, and the processing is further reduced. Therefore, productivity can be improved and production cost can be reduced. In addition, since the coefficient of friction with the first and second rails 270A and 270B is reduced, the operability when the tray section 300 is put in and out can be improved.
- a rail slide stop 263 is provided on the second rail guide 260B, and a rail slide stop projection 272 is provided on the second rail 270B. For this reason, it is possible to prevent the second rail 270B from falling out due to jumping out of the opening 201.
- the first and second rail guides 260A, 260B are formed in a substantially C-shaped cross section. For this reason, the first and second rails 270A and 270B can be sandwiched and supported slidably. Therefore, rattling of the first and second rails 270A and 270B can be prevented. Further, the first lenore 270A, 270B force S can be prevented from falling off the first and second lenore guides 260A, 260B. [0062]
- the tip of the second ground spring 280 is bent at an abutting position 280A with the first rail 270A so as to have an acute angle with respect to the first rail 270A.
- the disk device 100 can be maintained in a good state.
- the tip of the spring portion 361C of the first ground spring 361 is bent so as to have an acute angle with respect to the first rail 270A at the contact position with the first rail 270A. .
- the spring portion 361C can prevent generation of shavings due to the first rail 270A being shaved by the first rail 270A. Therefore, the disk device 100 can be maintained in a good state.
- the protective member 360 may be coated with a conductive coating agent having good conductivity. By doing so, the conductivity of the protective member 360 can be improved. Therefore, the ground effect via the protective member 360 can be further improved. In addition, by covering with such a coding agent, the protective member 360 can be prevented from being oxidized even when the protective member 360 is formed of a material that is easily oxidized, such as aluminum.
- the first ground spring 361 is attached to the depth side of the tray section 300. In other words, since the first ground spring 361 is arranged in a place that is difficult for the user to reach, the spring portion 361C is not deformed by accidental touching by the user. Therefore, maintenance due to deformation of the first ground spring 361 can be eliminated.
- the second ground spring 280 is passed through the through hole 262 of the first rail guide 260A and is in contact with the first rail 270A. Further, since the first ground spring 361 is in contact with the first rail 270A, it is not in contact with the first rail guide 260A. Therefore, there is no wear of the first rail guide 260A due to the contact between the first rail guide 260A and the second ground spring 280 and the first ground spring 361. Therefore, no abrasion powder is generated.
- first and second rail guides 260A and 260B are formed with a groove-like groove portion, and the first and second rails 270A and 270B are engaged with each other.
- first and second The second rails 270A and 270B are also formed with a concave groove portion, and engage the side surface of the tray portion 300.
- the second ground spring 280 can be concealed from the outside by disposing the second ground spring 280 in the concave groove portion of the first rail guide 260A and the first rail 270A. The appearance of the product is also good, and the appearance is also good.
- the present invention is not limited to the above-described embodiment, but includes the following modifications as long as the object of the present invention can be achieved.
- the present invention can also be applied to a tray having a drive unit.
- the present invention is not limited to this.
- a coil spring as a metal elastic conductive member may be inserted between the protective member and the processing substrate.
- the protective member and the processing substrate can be electrically connected through a coil spring or the like.
- the processing substrate and the protective member can be connected more reliably.
- the protective member can maintain the connection with the processing substrate.
- the protective member 360 and the processing substrate 350 may be screwed so as to be conductive at the position of the float rubber 340A.
- the screw that stops the float rubber 340A can be effectively used as a conductive portion that electrically connects the protective member and the processing substrate.
- the protective member and the processing board may be connected with lead wires such as copper wires and enamel wires.
- a part of the protective member 362 may be extended to the first rail 270A side to form a ground protrusion 363 as a conductive member.
- the ground protrusion 363 may function as a leaf spring, for example, and may be biased toward the first rail 270A.
- the first rail 270A and the protection member 362 are electrically connected via the ground protrusion 363.
- the ground protrusion 363 can move in sliding contact with the first rail 270A. Therefore, the first rail 270A and the first ground spring 361 can always be brought into contact with each other. That is, the disk processing unit 330 can be always grounded.
- the force shown in the example in which the first rail guide 260A and the second rail guide 260B are formed of a synthetic resin is not limited thereto.
- a metal rail guide such as aluminum may be used.
- the first ground spring can be dispensed with.
- first rail guide and the second rail guide may be formed integrally with the case body. With such a configuration, it is possible to eliminate the work of mounting the rail guide and improve workability.
- the first and second rail guides 260A and 260B may be formed of a conductive material such as a metal, and the case body 200 may be formed of a nonconductive material such as a synthetic resin.
- Yo ⁇ .
- the electricity charged in the disk processing section is connected to the ground wire via the first ground spring 361, the first rail 270A, and the first rail guide 260A. Power can be discharged.
- the protection member 360 is not limited to the force shown to be configured to be attached to the tray 310 so as to cover the disk processing unit 330.
- a protective member having a shape that covers only a member that requires grounding, such as a spindle motor, a movable electric motor, and an information processing unit, provided in the disk processing unit may be used.
- ground may be sufficient. With such a configuration, the disk device 100 can be made thinner and lighter.
- the second ground spring 280 is substantially a plate as the second conductive portion. This is not limited to the force shown in the figure and is configured to be biased toward the first rail 270 side.
- the second conductive portion may be a metal bearing that may be a conductive spherical member that rotates with the case body in response to sliding of the first rail. Further, it may be a brush of fine metal wires protruding from the case body toward the first rail.
- the shape of the second conductive portion is not particularly limited as long as it is a shape that can reliably perform electrical connection between the first rail and the case body.
- the case body 200 is formed of a conductive material. Therefore, the disk processing unit 330 can be easily grounded via the first ground spring 361, the first rail 270A, and the case body 200 simply by connecting a ground wire or the like to the case body 200.
- first rail 270A may be provided with a second ground spring.
- the second earth spring moves forward and backward as the first rail 270A moves forward and backward. Therefore, it is preferable to form a through groove through which the second ground spring passes through the first rail guide 260A. With such a configuration, the first rail 270A and the case body 200 can be easily electrically connected.
- case body 200 is formed of a conductive material and the ground wire is connected to case body 200 is not limited to this.
- the ground wire may be connected to the second ground spring.
- a case body made of a synthetic resin or the like can be used, and the weight of the disk device can be reduced.
- the first and second guide rails 260 A and 260 B are provided on the inner surface of the case body 200 so that the first and second rails 270 A and 270 B can be moved forward and backward.
- the tray section 300 including the first and second rails 270A, 270B force disk processing section 330 is supported so as to be able to advance and retreat.
- the tray section 300 is slidably contacted with the first rail 270A by the first grounding spring 361 that can conduct electricity with the disk processing section 330.
- a second ground spring 280 provided on the case body 200 is in sliding contact with the first rail 270A.
- the second ground spring 280 is provided so as to be connected to the first rail 270A in the forward / backward movement range of the first rail 270A.
- the electricity charged in the disk processing unit 300 is discharged from the ground wire via the first ground spring 361, the first rail 270A, the second ground spring 280, and the case body 200. Therefore, even if the tray section 300 is moved forward and backward by the case body 200 force, the first ground spring 361 can slide and contact the first rail 270A at all times. Therefore, the disk processing unit 330 can constitute a grounding structure that can always be easily grounded with a simple structure that conducts to the case body 200 via the first grounding spring 361 and the first rail 270A.
- the present invention can be used for an earth device that grounds a moving body and an electric device.
Landscapes
- Feeding And Guiding Record Carriers (AREA)
- Elimination Of Static Electricity (AREA)
Abstract
Description
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006531898A JP4445969B2 (ja) | 2004-08-23 | 2005-08-22 | アース装置、および電気機器 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004242839 | 2004-08-23 | ||
| JP2004-242839 | 2004-08-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2006022233A1 true WO2006022233A1 (ja) | 2006-03-02 |
Family
ID=35967445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2005/015222 Ceased WO2006022233A1 (ja) | 2004-08-23 | 2005-08-22 | アース装置、および電気機器 |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP4445969B2 (ja) |
| WO (1) | WO2006022233A1 (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009130768A1 (ja) * | 2008-04-23 | 2009-10-29 | パイオニア株式会社 | ディスク装置 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06302080A (ja) * | 1993-04-16 | 1994-10-28 | Toshiba Corp | 電子機器 |
| JP2003187514A (ja) * | 2001-12-20 | 2003-07-04 | Hitachi-Lg Data Storage Inc | 光ディスク装置 |
| JP2003297000A (ja) * | 2002-03-29 | 2003-10-17 | Teac Corp | ディスク装置 |
-
2005
- 2005-08-22 WO PCT/JP2005/015222 patent/WO2006022233A1/ja not_active Ceased
- 2005-08-22 JP JP2006531898A patent/JP4445969B2/ja not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06302080A (ja) * | 1993-04-16 | 1994-10-28 | Toshiba Corp | 電子機器 |
| JP2003187514A (ja) * | 2001-12-20 | 2003-07-04 | Hitachi-Lg Data Storage Inc | 光ディスク装置 |
| JP2003297000A (ja) * | 2002-03-29 | 2003-10-17 | Teac Corp | ディスク装置 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009130768A1 (ja) * | 2008-04-23 | 2009-10-29 | パイオニア株式会社 | ディスク装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4445969B2 (ja) | 2010-04-07 |
| JPWO2006022233A1 (ja) | 2008-05-08 |
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