JP2007141388A - Hard disk drive device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an HDD device which can reduce the number of parts, regulate vertical movement of a device main body, achieve thinning of the device since it is not necessary to stick rubber for preventing a dent on a top case and to take large gap between the device main body and the top case, and can maintain a creepage distance between the device main body and the parts of a primary side of the board of its downside. <P>SOLUTION: Two support plates 2 are attached rear and front to an undersurface of the device main body 1, and cushions 3 for counteracting vibration are attached at four places front and rear, and right and left of an assembling support plate. The device main body is installed on the bracket 4 through the support plates. Four locking holes 4a are formed in the bracket and a nearly L-shape formed hook section 2a is prepared at a place corresponding to the locking hole in the support plate. A rib 2b which can contact to the top surface of the bracket is prepared at a base of the hook section. If the device main body moves upward, the hook section of the support plate contacts to the edge of the locking hole of the bracket, and when the upward movement of the device main body is regulated and the device main body subsides, the rib of the support plate contacts to the top surface of the bracket, and regulates subduction of the device main body. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  In the present invention, two support plates are attached to the lower surface of the main body of the apparatus, and cushions for anti-vibration measures are attached to four positions of the front, rear, left and right of the support board, and the upper surface of the bracket is attached to the apparatus main body via the support plate. In particular, the present invention relates to an HDD apparatus that restricts vertical movement of the apparatus main body.

  Conventionally, an HDD device is attached to a bracket through two support plates on the front and rear. These support plates are formed with a total of four holes, and cushions for anti-vibration measures are attached to the upper and lower surfaces of these portions to mitigate impacts during a drop test or the like. However, since the cushion is made of rubber, even if the device body is screwed, if the device is pulled up or down, the device body moves up and down, and the device body moves up and down during a drop test. As a result, the back surface of the top case and the device main body come into contact with each other, and a hammer is generated in the top case, or the distance between the primary side component on the substrate placed on the lower side of the device main body and the device main body is short. There was a problem that the creepage distance could not be obtained.

  The first prior art is shown in FIG. As shown in FIG. 4, the conventional electronic apparatus includes a hard disk drive 101, a damper 142 attached to the edge 101 a of the housing 111 of the HDD 101, and a damper 142. , A printed circuit board 146, and an HDD 101, a damper 142, a chassis 144, and cases 151 and 152 accommodating a PCB 146. The upper plate 144 a and the lower plate 144 b of the chassis 144 have flexibility that can be deformed in accordance with the deformation of the damper 142. (For example, refer to Patent Document 1).

  However, this has a problem that the number of parts is large and it takes time to assemble.

  A second prior art is shown in FIG. In this conventional precision instrument device, as shown in FIG. 5, a storage case 204a for storing a magnetic disk device 201 is composed of a case base 205a and a case cover 106a. At the inner wall surface of the case base 205a, posture control pins (protrusions) 207a to 207e with which the magnetic disk device 201 comes into contact in the event of a collision are formed. Supporting triangular prisms 208a and 208b are formed. The supporting triangular prism is also formed on the inner wall surface of the case cover 206a. In the event of a collision, the collision surface of the storage case 204a forms a downwardly convex curved surface with the attitude control pin as the center, and the magnetic disk device 201 swings with the storage case 204a to dissipate the collision energy. (For example, refer to Patent Document 2).

However, this is a structure that prevents external shocks and is not an anti-vibration structure for the magnetic disk device 201.
JP 2004-14031 A JP 2002-109869 A

  The present invention has been made in view of the above-described conventional problems, and can reduce the number of parts, can restrict the vertical movement of the apparatus main body, and can prevent a hitting rubber on the top case. Etc., and it is not necessary to make a large gap between the main body of the apparatus and the top case, so that the apparatus can be thinned, and the primary side on the substrate disposed under the main body of the apparatus It is an object of the present invention to provide an HDD device that can maintain a creepage distance between the component and the device main body.

  The present invention has been proposed in order to solve the above-mentioned problems. In the invention according to claim 1, two support plates are attached to the lower surface of the apparatus main body, and front, rear, left and right 4 of the support plate. In the HDD device in which a cushion for vibration proof is attached to the location and the device main body is installed on the upper surface of the bracket via the support plate, four engaging holes are formed on the upper surface of the bracket. A hook portion bent downward in a substantially L shape is provided at a position corresponding to the insertion hole in the support plate, and a downwardly-facing downwardly-contactable upper surface of the bracket is provided at the base portion of the hook portion. Ribs are provided, and when the device main body moves upward, the hook portion of the support plate comes into contact with the edge of the engagement hole of the bracket and moves upward of the device main body. The movement is restricted, and when the apparatus main body sinks downward, the downward rib of the support plate abuts on the upper surface of the bracket so that the downward sinking of the apparatus main body is restricted. It is a feature.

  According to a second aspect of the present invention, two support plates are attached to the lower surface of the apparatus main body, and cushions for anti-vibration measures are attached to four front, rear, left and right portions of the support plate, and the apparatus main body is attached to the support plate. In the HDD device installed on the upper surface of the bracket, a plurality of engagement holes are formed on the upper surface of the bracket, and a hook portion is provided at a position corresponding to the plurality of engagement holes in the support plate. And two or more base portions selected from these hook portions are provided with downward ribs that can come into contact with the upper surface of the bracket, and the hook portions of the support plate when the apparatus main body moves upward. Is in contact with the edge of the engagement hole of the bracket and the upward movement of the apparatus main body is restricted, and when the apparatus main body sinks downward, the lower side of the support plate Kino ribs sinking of contact with the apparatus main body to the upper surface of the bracket is characterized by being configured so as to be restricted.

  According to a third aspect of the present invention, in the invention of the second aspect, the hook portions are provided at four front and rear, left and right positions of the support plate, and the downward ribs are formed at the base portions of the two hook portions at diagonal positions. Is provided.

  According to a fourth aspect of the present invention, in the invention according to the second or third aspect, the hook portion is bent downward in a substantially L shape, and the upper surface of the hook portion that contacts the lower surface of the bracket is buffered. A member is attached.

  According to the first aspect of the present invention, when the apparatus main body moves upward in a drop test or the like, the hook portion provided on the support plate abuts on the edge of the engagement hole of the bracket and moves upward. Therefore, the main body of the apparatus does not come into contact with the top case, and it is possible to prevent the hitting case from being generated in the top case. This eliminates the need for rubber or the like on the top case. Further, when the apparatus main body sinks downward, the downward ribs come into contact with the upper surface of the bracket, and the downward sinking is restricted. Therefore, the primary side component on the board arranged below the apparatus main body. The creepage distance can be maintained. Furthermore, since the hook portions and the downward ribs are provided at the front, rear, left and right four positions of the two support plates, the upward movement and the downward sinking of the entire apparatus main body can be restricted.

  According to the second aspect of the present invention, when the apparatus main body moves upward in a drop test or the like, the hook portion provided on the support plate abuts on the edge of the engagement hole of the bracket and moves upward. Therefore, the main body of the apparatus does not come into contact with the top case, and it is possible to prevent the hitting case from being generated in the top case. This eliminates the need for rubber or the like on the top case. Further, when the apparatus main body sinks downward, the downward ribs come into contact with the upper surface of the bracket, and the downward sinking is restricted. Therefore, the primary-side components on the board disposed below the apparatus main body The creepage distance can be maintained.

  According to the third aspect of the present invention, since the downward ribs are provided in two diagonal positions among the four front, rear, left and right positions of the support plate, the sinking of the apparatus main body is caused to be directed downward. The rib can be fully regulated.

  According to the fourth aspect of the present invention, since the buffer member is attached to the upper surface of the hook portion, the hook portion abuts on the edge portion of the engagement hole of the bracket when the device body moves upward. Thereby, the impact by contact can be relieved.

  Embodiments of an HDD device according to the present invention will be described below with reference to the drawings.

  FIG. 1 is an exploded perspective view of the HDD device of the first embodiment, FIG. 2A is a front view when the assembly of the device is completed, and FIG. 1B is a partial perspective view of the main part thereof.

  As shown in FIG. 1, the HDD device of the first embodiment has two front and rear support plates 2, 2 attached in the vicinity of both edges in the width direction on the lower surface of the device body 1. Grooves are provided at four positions on the support plates 2, 2 in the front and rear, left and right directions, and cushions 3 for anti-vibration measures made of rubber material are respectively attached to the upper and lower sides of the grooves. Further, the two support plates 2 and 2 attached to the apparatus main body 1 are detachably installed on the upper surface of the bracket 4. On the upper surface of the bracket 4, four-sided engaging holes 4 a are formed at the front, rear, left and right, and bent into a substantially L-shape downwardly at the positions corresponding to the four engaging holes 4 a in the support plates 2 and 2. The hook portion 2a is provided. Downward ribs 2b are provided at the bases of two hook portions 2a located diagonally on the hook portions 2a. The downward rib 2b may be provided downward on all the bases of the four hook portions 2a.

  As shown in FIGS. 2 (a) and 2 (b), in order to install the apparatus main body 1 to which the support plates 2 and 2 are attached on the upper surface of the bracket 4, the hook portions 2 a of the support plates 2 and 2 are placed on the upper surface of the bracket 4. It engages with each of the engagement holes 4a. When the apparatus main body 1 is moved upward due to a drop test or the like, the hook portions 2a of the support plates 2 and 2 are brought into contact with the edges of the engagement holes 4a of the bracket 4, respectively, and the upper movement of the apparatus main body 1 is restricted. The Further, when the apparatus main body 1 sinks downward, the downward ribs 2b of the support plates 2 and 2 come into contact with the upper surface of the bracket 4, and the sinking of the apparatus main body 1 is restricted.

  Therefore, according to the first embodiment, when the apparatus main body 1 is moved upward in a drop test or the like, the hooks 2a provided on the support 2 and the two plates are attached to the edge of the engagement hole 4a of the bracket 4. Since the movement to the upper side is restricted by the contact, the apparatus main body 1 is not in contact with the top case 5 and it is possible to prevent the top case 5 from being hit. This eliminates the need to attach rubber or the like to the top case 5. Further, when the apparatus main body 1 sinks downward, the downward rib 2b comes into contact with the upper surface of the bracket 4 so that the downward sinking is restricted, so that 1 on the substrate disposed below the apparatus main body 1 is controlled. The creepage distance from the next part can be maintained.

  FIG. 3 is a front view when the assembly of the HDD device of the second embodiment is completed. Note that the same members and the same portions as those in the first embodiment described above are denoted by the same reference numerals, and description thereof is omitted.

  In the HDD device according to the second embodiment, as shown in FIG. 3, a buffer member 6 made of a rubber material or the like is attached to the upper surface of the hook portion 2a of the support plate 2 by pasting.

  According to the second embodiment, since the buffer member 6 is attached to the upper surface of the hook portion 2a, the edge of the engagement hole 4a of the bracket 4 is moved when the hook portion 2a moves upward. By contacting the part, the impact caused by the contact can be reduced.

It is a disassembled perspective view of the HDD apparatus of 1st Embodiment. (A) is the front view at the time of completion | finish of the assembly | attachment of the apparatus, (b) is the fragmentary perspective view of the principal part. It is a front view at the time of completion | finish of the assembly of the HDD apparatus of 2nd Embodiment. It is a disassembled perspective view of the conventional electronic device. It is a disassembled perspective view of the conventional precision instrument apparatus.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Apparatus main body 2 Support board 2a Hook part 2b Rib 3 Anti-vibration countermeasure cushion 4 Bracket 4a Engagement hole 5 Top case 6 Buffer member

Claims (4)

  Two front and rear support plates are attached to the lower surface of the apparatus main body, and vibration-proof cushions are attached to the front and rear, left and right four positions of the support plate, and the apparatus main body is installed on the upper surface of the bracket via the support plate. In the above HDD device, four engaging holes are formed on the upper surface of the bracket in the front, rear, left, and right, and the hook is formed by bending downward in a substantially L shape at a position corresponding to the engaging hole in the support plate. And a downward rib capable of contacting the upper surface of the bracket is provided at the base of the hook portion, and the hook portion of the support plate is attached to the bracket when the apparatus main body moves upward. When the device main body sinks downward by abutting against the edge of the engagement hole and the device main body sinks downward, the support plate is moved downward. There HDD apparatus characterized by sinking downward the apparatus main body in contact with the upper surface of the bracket is configured to be regulated.   Two front and rear support plates are attached to the lower surface of the apparatus main body, and vibration-proof cushions are attached to the front and rear, left and right four positions of the support plate, and the apparatus main body is installed on the upper surface of the bracket via the support plate. In the above-described HDD device, a plurality of engaging holes are formed on the upper surface of the bracket, and hook portions are provided at locations corresponding to the plurality of engaging holes in the support plate, and selected from these hook portions. Further, two or more base portions are provided with downward ribs capable of coming into contact with the upper surface of the bracket, and when the device main body moves upward, the hook portion of the support plate is connected to the edge of the engagement hole of the bracket. When the apparatus main body sinks downward, the downward ribs of the support plate are not attached to the bracket. HDD device is sinking of the device main body in contact with the upper surface of the characterized by being configured to be regulated.   3. The HDD device according to claim 2, wherein the hook portions are provided at four positions on the front, rear, left, and right sides of the support plate, and the downward ribs are provided at base portions of two hook portions at diagonal positions.   4. The HDD device according to claim 2, wherein the hook portion is bent downward in a substantially L shape, and a buffer member is attached to an upper surface of the hook portion that contacts the lower surface of the bracket.