WO2021117179A1 - 電子機器筐体 - Google Patents

電子機器筐体 Download PDF

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Publication number
WO2021117179A1
WO2021117179A1 PCT/JP2019/048629 JP2019048629W WO2021117179A1 WO 2021117179 A1 WO2021117179 A1 WO 2021117179A1 JP 2019048629 W JP2019048629 W JP 2019048629W WO 2021117179 A1 WO2021117179 A1 WO 2021117179A1
Authority
WO
WIPO (PCT)
Prior art keywords
electronic device
device housing
surface portion
cover
arm
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
Application number
PCT/JP2019/048629
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
久和 山根
貴章 田中
田村　和久
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to PCT/JP2019/048629 priority Critical patent/WO2021117179A1/ja
Priority to CN201980102817.0A priority patent/CN114788429B/zh
Priority to DE112019007958.1T priority patent/DE112019007958T5/de
Priority to US17/631,562 priority patent/US12262483B2/en
Priority to JP2021563528A priority patent/JP7262616B2/ja
Publication of WO2021117179A1 publication Critical patent/WO2021117179A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/10—Casings, cabinets or drawers for electric apparatus comprising several parts forming a closed casing
    • H05K5/15—Casings, cabinets or drawers for electric apparatus comprising several parts forming a closed casing assembled by resilient members
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/27—Adaptation for use in or on movable bodies
    • H01Q1/32—Adaptation for use in or on road or rail vehicles
    • H01Q1/3208—Adaptation for use in or on road or rail vehicles characterised by the application wherein the antenna is used
    • H01Q1/3233—Adaptation for use in or on road or rail vehicles characterised by the application wherein the antenna is used particular used as part of a sensor or in a security system, e.g. for automotive radar, navigation systems
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/42—Housings not intimately mechanically associated with radiating elements, e.g. radome
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/02—Details
    • H05K5/03—Covers
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/06—Hermetically-sealed casings
    • H05K5/062—Hermetically-sealed casings sealed by a material injected between a non-removable cover and a body, e.g. hardening in situ

Definitions

  • the present application relates to an electronic device housing.
  • the electronic device is housed in the electronic device housing according to the characteristics of the electronic device and the environment in which it is used, and if it is for in-vehicle use, it is mounted on the vehicle together with the electronic device housing.
  • a general method for fixing the components constituting the electronic device housing is a connection using screws.
  • Patent Document 1 a housing structure of an electronic device that does not use screws has been disclosed (for example, Patent Document 1). reference).
  • Patent Document 1 The structure shown in Patent Document 1 is such that a housing composed of, for example, two parts made of resin (for example, a cover and a case) is connected by fitting the respective parts. A hook is provided on one of the two parts and a rib is provided on the other, and the two parts are fixed by fitting them.
  • the electronic device housed in the electronic device housing is an in-vehicle radar device
  • the electronic device includes an antenna substrate on which an antenna is formed. The distance between the antenna substrate and the cover, which is a portion that covers the antenna substrate, greatly affects the radar characteristics of the in-vehicle radar device.
  • Patent Document 1 does not require screws, and the number of parts can be reduced.
  • the height of the internal parts housed in the electronic device housing if the height is high, the hook and the rib cannot be fitted to each other, so that there is a problem that the two parts of the housing cannot be fixed. there were.
  • the hook and rib can be fitted, but a gap is created between the internal component and the housing, so the distance between the internal component and the housing is not stable, and the inside of the housing is not stable. There was a problem that the parts could not be fixed stably.
  • the electronic device housed in the electronic device housing is an in-vehicle radar device
  • the height of the internal component is low, the distance between the antenna board and the cover included in the internal component is not stable, and the housing is inside. Since the parts cannot be fixed stably, there is a problem that it is difficult to uniformly stabilize the radar characteristics among the products.
  • the present application has been made to solve the above-mentioned problems, and an object of the present application is to obtain an electronic device housing in which internal parts housed in the electronic device housing are stably fixed inside the electronic device housing. And.
  • the electronic device housing disclosed in the present application includes a case including a rectangular bottom surface portion and a side surface portion erected around the bottom surface portion, and a plurality of cases facing the bottom surface portion.
  • An electronic device housing including a cover that covers an opening surrounded by an end portion of the side surface portion, and the bottom surface along the side surface portion at a position along at least two opposite sides of the cover. It is provided between two flexible arm portions extending in the direction of the portion and the two arm portions so as to project from the side surface portion and is sandwiched in contact with the two arm portions.
  • the cover provided with the two arm portions, the arm portion and one of the protrusions having a curved surface portion and the other contacting portion having a flat surface portion.
  • the two flat surfaces provided on each side are inclined so that the distance between the two flat surfaces narrows toward the bottom surface, and the arm portion is in contact with the protrusion. The protrusion is pressed and bent.
  • the internal parts housed in the electronic device housing can be stably fixed inside the electronic device housing.
  • FIG. 5 is a cross-sectional view taken along the alternate long and short dash line AA of FIG. It is a side view of the electronic device housing which concerns on Embodiment 1.
  • FIG. 5 is a side view of the electronic device housing which concerns on Embodiment 1.
  • FIG. 5 is a perspective view which shows the pressing structure of the electronic device housing which concerns on Embodiment 1.
  • FIG. It is a side view explaining the pressing structure of the electronic device housing which concerns on Embodiment 1.
  • FIG. It is a side view explaining the pressing operation of the electronic device housing which concerns on Embodiment 1.
  • FIG. 1 It is a side view of another electronic device housing which concerns on Embodiment 1.
  • FIG. It is a figure explaining the force generated in the electronic device enclosure which concerns on Embodiment 1.
  • FIG. It is a side view explaining the pressing structure of the electronic device housing which concerns on Embodiment 1.
  • FIG. It is a side view which shows the pressing structure of the electronic device housing which concerns on Embodiment 1.
  • FIG. It is a perspective view which shows the pressing structure of the electronic device housing which concerns on Embodiment 2.
  • FIG. It is a side view explaining the pressing operation of the electronic device housing which concerns on Embodiment 2.
  • FIG. 1 It is a side view of another electronic device housing which concerns on Embodiment 1.
  • FIG. It is a figure explaining the force generated in the electronic device enclosure which concerns on Embodiment 1.
  • FIG. is a side view explaining the pressing structure of the electronic device housing which concerns
  • FIG. 1 It is a perspective view which shows the appearance of the electronic device housing which concerns on Embodiment 3.
  • FIG. It is a perspective view which shows the pressing structure of the electronic device housing which concerns on Embodiment 3.
  • FIG. 1 It is a perspective view which shows the appearance of the electronic device housing which concerns on Embodiment 4.
  • FIG. 1 It is a perspective view which shows the appearance of the electronic device housing which concerns on Embodiment 4.
  • FIG. 1 is a perspective view showing the appearance of the electronic device housing 1
  • FIG. 2 is an exploded perspective view of the electronic device housing 1 and the internal component 100
  • FIG. 3 is a cross-sectional view taken along the alternate long and short dash line AA of FIG.
  • the electronic device housing 1 that houses an electronic device or the like as an internal component 100 includes a case 20 and a cover 10.
  • the case 20 includes a rectangular bottom surface portion 20a and a side surface portion 20b provided upright around the bottom surface portion 20a.
  • the cover 10 faces the bottom surface portion 20a and covers the opening surrounded by the end portions 20c of the plurality of side surface portions 20b.
  • the cover 10 is made of resin and is made of PBT (polybutylene terephthalate, polybutylene terephthalate), ABS (acrylonitrile butadiene style, acrylic nitrile butadiene styrene), or the like.
  • the case 20 is made of the same resin as the cover 10 or a metal made of aluminum or the like.
  • each of the two flexible arm portions 11 extends in the direction of the bottom surface portion 20a along the side surface portion 20b at a position along the side surrounding the cover 10. It is provided in.
  • Two protrusions 21 are provided between the two arm portions 11 so as to project from the side surface portion 20b.
  • the two protrusions 21 are in contact with and sandwiched between the two arm portions 11.
  • the arm portion 11 and the protrusion 21 are made of the same material as the cover 10 and the case 20 provided respectively.
  • two arm portions 11 are provided on all sides of the cover 10, but the present invention is not limited to this, and two arm portions 11 may be provided on each of the two opposing sides of the cover 10.
  • the two arm portions 11 may be provided on at least two opposite sides of the cover 10.
  • the internal component 100 is a radio wave shield 30, an antenna board 40, a heat sink 50, and a control board 60.
  • An antenna (not shown) is formed on the antenna substrate 40, and the direction vertically above the cover 10 is the direction in which the radar is transmitted.
  • the radio wave shield 30 is arranged between the cover 10 and the antenna substrate 40.
  • a heat sink 50 that suppresses heat generation of these substrates is arranged between the antenna substrate 40 and the control substrate 60.
  • the internal parts 100 are stacked and housed inside the case 20, and are sandwiched between the cover 10 and the case 20.
  • the distance between the antenna substrate 40 and the cover 10 greatly affects the radar characteristics of the in-vehicle radar device. If the distance between the antenna substrate 40 and the cover 10 can be stably matched with the height of the radio wave shield 30, the radar characteristics can be stabilized.
  • the internal component 100 is pressed by the cover 10 in the direction of the bottom surface portion 20a by pressing and bending the protrusion 21 at a position where the arm portion 11 is in contact with the protrusion 21, and the antenna substrate 40 and the cover 10 are held together. The distance is stabilized, and the internal component 100 is stably fixed by the cover 10.
  • this pressing structure will be described.
  • FIG. 4 is a side view of the electronic device housing 1 according to the first embodiment
  • FIG. 5 is a perspective view showing an enlarged pressing structure of a main part of the electronic device housing 1
  • FIG. 6 is a pressing view of the electronic device housing 1.
  • FIG. 7 is a side view for explaining the structure
  • FIG. 7 is a side view for explaining the pressing operation of the electronic device housing 1.
  • 6 and 7 are enlarged views of the portion surrounded by the broken line in FIG. 4, and in FIG. 6, the arm portion 11 and the protrusion 21 in the initial state (non-flexible state) provided on the cover 10 are shown. Are shown in layers.
  • the two arm portions 11 are provided near the end portion of the cover 10 at a position line-symmetrical with respect to the center line of the cover 10.
  • the arm portion 11 extends vertically from the cover 10 to the cover 10 in the direction of the bottom surface portion 20a. As shown in FIG. 5, the arm portion 11 is provided on the side surface portion 10a of the cover 10 integrally with the cover 10. The position and direction in which the arm portion 11 is provided are not limited to this, and the arm portion 11 may be provided close to the center line, or may be provided at an angle rather than vertically. Further, the place where the arm portion 11 is provided is not limited to the side surface portion 10a of the cover 10, and as shown in FIG. 8, the outer circumference of the cover 10 is enlarged and provided on the facing surface 10b facing the case 20 of the cover 10. It doesn't matter.
  • the protrusion 21 is provided in a cylindrical shape.
  • the contacting portion of either one of the arm portion 11 and the protruding portion 21 has a curved surface portion, and the other contacting portion has a flat surface portion.
  • the flat surface portion 12 is provided on the arm portion 11 and the curved surface portion 22 is provided on the protrusion 21 in a cylindrical shape will be described.
  • the two flat surface portions 12 are inclined so that the distance between the two flat surface portions 12 is narrowed toward the bottom surface portion 20a.
  • the two flat surface portions 12 are provided on the side of each side of the cover 10 provided with the two arm portions 11. As shown in FIG.
  • the inclination of the flat surface portion 12 can be defined as an angle with respect to the direction in which the arm portion 11 extends toward the bottom surface portion 20a, and here, the inclination angle is defined as ⁇ .
  • the arm portion 11 and the protrusion 21 are arranged in a positional relationship in which the overlap A occurs.
  • an arm portion 11a that is in contact with the protrusion 21 and presses the protrusion 21 is added to FIG.
  • the arm portion 11 presses the protrusion 21 the arm portion 11 bends by ⁇ a as shown in FIG. 7.
  • ⁇ a is an angle formed by a direction in which the arm portion 11 extends toward the bottom surface portion 20a and a direction in which the arm portion 11 bends in contact with the arm portion 11 and the protrusion portion 21.
  • the flat surface portion 12 is provided so that ⁇ is larger than ⁇ a. This is because after the arm portion 11 and the protrusion 21 come into contact with each other, the contact is maintained and the cover 10 does not come off from the case 20. When the flat surface portion 12 is provided with ⁇ ⁇ ⁇ a, the contact is not maintained and the cover 10 comes off from the case 20.
  • FIG. 9 is a diagram illustrating a force generated in the electronic device housing 1 according to the first embodiment.
  • the force generated when the arm portion 11 and the protrusion 21 are in contact with each other and the arm portion 11 is bent is schematically added to the side view of the electronic device housing 1.
  • the arm portion 11 presses the protrusion 21 at the point where it comes into contact with the protrusion 21, and the force Fa in the normal direction of the contact line between the flat surface portion 12 and the curved surface portion 22 is used.
  • the arm portion 11 bends.
  • This force Fa generates a force Fb that bends the cover 10.
  • the internal component 100 (schematically shown by a broken line) housed in the case 20 is pressed by the cover 10 in the direction of the bottom surface portion 20a. By pressing, the internal component 100 is stably fixed inside the electronic device housing 1.
  • FIG. 10 is a side view illustrating the pressing structure of the electronic device housing 1 according to the first embodiment.
  • FIG. 10 is an enlarged view of the portion surrounded by the broken line in FIG. 4, and the arm portions 11b and 11c in contact with the protrusion 21 are added corresponding to the fluctuating height of the internal component 100.
  • the height obtained by adding the heights of the individual members housed as the internal component 100 is the height of the internal component 100. If the height of the internal component 100 is a design value, the arm portion 11 is located at the arm portion 11a. When the height of the internal component 100 is higher than the design value, the cover 10 (not shown in FIG. 10) moves in the direction away from the case 20, so that the arm portion 11 is located at the arm portion 11b.
  • the arm portion 11 When the height of the internal component 100 is lower than the design value, the arm portion 11 is located on the arm portion 11c.
  • the variation in the height of the internal component 100 varies depending on the configuration of the member accommodated as the internal component 100, but is, for example, about ⁇ 0.5 mm.
  • the angle ⁇ a at which the arm portion 11 bends hardly changes even if the height of the internal component 100 fluctuates, the inclinations of the plane portions 12 of the arm portions 11a, 11b, and 11c are substantially the same. To do. Therefore, even if the height of the internal component 100 fluctuates, the force Fa is almost constant, and the force Fb pressing the internal component 100 hardly changes. Even if the height of the internal component 100 changes, the internal component 100 is stably fixed inside the electronic device housing 1.
  • the angle ⁇ of the inclination of the flat surface portion 12 is in the range of 10 to 20 degrees, which is a relatively shallow angle.
  • the contact point between the protrusion 21 and the arm portion 11 can freely move according to the fluctuation of the height of the internal component 100.
  • ⁇ a is generally in the range of 10 to 20 degrees by setting the angle ⁇ in the range of 10 to 20 degrees.
  • the lower limit of the angle ⁇ is set to 10 degrees in order to obtain the force Fb required for pressing.
  • the bending angle ⁇ a of the arm portion 11 is also smaller than 10 degrees, so that the bending of the arm portion 11 becomes small and the force Fb required for pressing cannot be obtained.
  • the upper limit of the angle ⁇ is set to 20 degrees in order to avoid plastic deformation of the arm portion 11.
  • ⁇ becomes larger than 20 degrees the bending angle ⁇ a of the arm portion 11 also becomes larger than 20 degrees, so that the bending of the arm portion 11 becomes large and the arm portion 11 is plastically deformed.
  • the force Fb required for pressing cannot be stably obtained.
  • the curved surface portion 22 included in the protrusion 21 is provided in a cylindrical shape, but the shape of the protrusion 21 is not limited to the cylinder. As shown in FIG. 11, as long as the protrusion 21 includes the curved surface portion 22, the protrusion 21 may have an elliptical shape. Further, although the case where the electronic device housing 1 accommodates the millimeter-wave radar as the internal component 100 has been described above, the internal component 100 accommodated in the electronic device housing 1 is not limited to the millimeter-wave radar and is used for vehicles. An internal component of a device different from the radar device may be housed in the electronic device housing 1.
  • the electronic device housing 1 has a curved surface portion 22 at a position where the protrusion 21 contacts the arm portion 11, and a flat surface portion 12 at a position where the arm portion 11 contacts the protrusion 21.
  • the two flat surface portions 12 provided on each side of the cover 10 provided with the two arm portions 11 are inclined so that the distance between them narrows toward the bottom surface portion 20a, and the arm portion 11 is a protrusion. Since the protrusion 21 is pressed and bent at a position in contact with the 21 to press the internal component 100 housed in the case 20 with the cover 10 in the direction of the bottom surface 20a, the internal component housed in the electronic device housing 1 is used.
  • the 100 can be stably fixed inside the electronic device housing 1.
  • the flat surface portion 12 and the curved surface portion 22 are in line contact with each other, the pressing of the protruding portion 21 by the arm portion 11 can be maintained even if the height of the internal component 100 fluctuates. Further, since the flat surface portion 12 is provided on the arm portion 11 and the curved surface portion 22 is provided on the protrusion portion 21, the tip portion of the arm portion 11 does not have a complicated shape including a curved surface, and the cover 10 including the arm portion 11 can be easily manufactured. It can be produced in the process. Further, since the curved surface portion 22 has a cylindrical shape, the structure is simple and can be manufactured by a simple manufacturing process.
  • the cover 10 Since the flat surface portion 12 is inclined so that ⁇ is larger than ⁇ a, the cover 10 does not come off from the case 20 even after the arm portion 11 bends and fits with the protrusion 21, and the cover 10 and the case 20 The mating can be maintained. Further, since the angle formed by the extending direction of the arm portion 11 and the extending direction of the arm portion 11 that is bent by the contact between the arm portion 11 and the protrusion 21 is in the range of 10 degrees to 20 degrees, the internal component 100 The connection between the cover 10 and the case 20 is maintained even if the height of the cover 10 changes, and the force Fb required for pressing the internal component 100 can be obtained without the arm portion 11 being plastically deformed.
  • the distance between the antenna substrate 40 and the cover 10 can be stably matched with the height of the radio wave shield 30, so that the radar characteristics can be improved. It can be uniformly and stabilized between products. Since the cover 10 and the case 20 are connected by being in contact with each other, the cover 10 and the case 20 can be easily attached and detached, and the internal component 100 can be easily inspected and replaced.
  • FIG. 12 is a perspective view showing a pressing structure by enlarging a main part of the electronic device housing 1
  • FIG. 13 is a side view illustrating the pressing structure of the electronic device housing 1 (the portion surrounded by the broken line in FIG. 11).
  • FIG. 14 is a side view illustrating the pressing operation of the electronic device housing 1.
  • the arm portion 11 in the initial state (non-flexible state) provided on the cover 10 and the protrusion 21 are shown in an overlapping manner.
  • the electronic device housing 1 according to the second embodiment has a configuration in which a flat surface portion 23 is provided on a protrusion 21 and a curved surface portion 13 is provided on an arm portion 11.
  • FIG. 12 shows only one protrusion 21 provided on the side surface portion 20b of the case 20 and the arm portion 11 for pressing the protrusion 21, but the electronic device housing 1 shown in the first embodiment is shown.
  • two protrusions 21 are provided on the side surface portion 20b, and the arm portion 11 is in contact with each of the two protrusions 21.
  • the two flat surface portions 23 provided on the side of each side of the cover 10 provided with the two arm portions 11 are inclined so that the distance between the two flat surface portions 23 is narrowed toward the bottom surface portion 20a. .. As shown in FIG. 13, this inclination can be defined as an angle with respect to the direction in which the arm portion 11 extends toward the bottom surface portion 20a, and here, the angle of this inclination is ⁇ .
  • the curved surface portion 13 provided on the arm portion 11 is a part of a cylindrical shape.
  • the arm portion 11 and the protrusion 21 are arranged in a positional relationship in which the overlap A occurs.
  • FIG. 14 shows an arm portion 11a in contact with the protrusion portion 21.
  • ⁇ a is an angle formed by a direction in which the arm portion 11 extends toward the bottom surface portion 20a and a direction in which the arm portion 11 bends in contact with the arm portion 11 and the protrusion portion 21.
  • ⁇ a is set only by the allowable value of the stress generated in the arm portion 11 at the time of fitting.
  • the inclination angle ⁇ of the flat surface portion 23 is provided in the range of 10 degrees to 20 degrees. Although it depends on the positional relationship between the flat surface portion 12 and the curved surface portion 22, ⁇ a is generally in the range of 10 to 20 degrees by setting the angle ⁇ in the range of 10 to 20 degrees.
  • the lower limit of the angle ⁇ is set to 10 degrees in order to obtain the force Fb required for pressing.
  • the bending angle ⁇ a of the arm portion 11 is also smaller than 10 degrees, so that the bending of the arm portion 11 becomes small and the force Fb required for pressing cannot be obtained.
  • the upper limit of the angle ⁇ is set to 20 degrees in order to avoid plastic deformation of the arm portion 11.
  • ⁇ becomes larger than 20 degrees the bending angle ⁇ a of the arm portion 11 also becomes larger than 20 degrees, so that the bending of the arm portion 11 becomes large and the arm portion 11 is plastically deformed.
  • the force Fb required for pressing cannot be stably obtained.
  • the curved surface portion 13 is provided on the arm portion 11 and the flat surface portion 23 is provided on the protrusion portion 21, it is not necessary to consider the magnitude relationship between ⁇ and ⁇ a.
  • the curved surface portion 13 and the flat surface portion 23 can be easily designed. Further, since the inclination angle ⁇ of the flat surface portion 23 is provided at 20 degrees or less, the force Fb required for pressing the internal component 100 can be obtained without the arm portion 11 being plastically deformed. Further, since the curved surface portion 13 is a part of the cylindrical shape, the structure is simple and it can be manufactured by a simple manufacturing process.
  • FIG. 15 is a perspective view showing the appearance of the electronic device housing 1
  • FIG. 16 is a perspective view showing a pressing structure by enlarging a main part (a portion surrounded by a broken line in FIG. 15) of the electronic device housing 1.
  • the electronic device housing 1 according to the third embodiment has a configuration in which guide portions 24 and 25 are arranged on a side surface portion 10a.
  • the arm portion 11 has an elongated shape in order to easily bend the arm portion 11 when the protrusion 21 is pressed. Therefore, when some external force is applied to the arm portion 11, the arm portion 11 may be damaged.
  • Guide portions 24 and 25 are provided on both sides of the arm portion 11 in order to protect the arm portion 11 from an external force.
  • the guide portions 24 and 25 project from the side surface portion 20b along the arm portion 11 and are provided on the side surface portion 20b.
  • the guide portions 24 and 25 are provided with at least the same length as the arm portion 11 on the side surface portion 20b.
  • the guide portions 24 and 25 are provided at positions that do not hinder the bending of the arm portion 11 when the protrusion 21 is pressed.
  • the guide portions 24 and 25 are made of the same material as the case 20 in which the guide portions 24 and 25 are provided, and are provided integrally with the case 20.
  • the configuration of the guide portions 24 and 25 is not limited to this, and the guide portions 24 and 25 manufactured separately may be attached to the side surface portions 10a.
  • the guide portion 24 provided on the side of the protrusion 21 of the arm portion 11 is provided integrally with the protrusion 21. This is to reduce the configuration provided on the side surface portion 20b.
  • the curved surface portion 22 included in the protrusion 21 is not a cylinder but a part of the cylinder.
  • guide portions 24 and 25 are provided in the electronic device housing 1 shown in the first embodiment
  • the configuration in which the guide portions 24 and 25 are provided is not limited to this, and the second embodiment is not limited to this.
  • Guide portions 24 and 25 may be provided in the electronic device housing 1 shown in 1.
  • FIG. 15 shows a configuration in which guide portions 24 and 25 are provided on both sides of all the arm portions 11, the present invention is not limited to this, and the guide portions are provided only on the side surface portions 20b where an external force may be applied to the arm portions 11.
  • a configuration in which 24 and 25 are provided may be used.
  • the guide portion 24 or the guide portion 25 may be provided only on one side of the arm portion 11 where an external force may be applied to the arm portion 11.
  • the side surface portions 20b are provided with the guide portions 24 and 25 protruding from the side surface portions 20b along the arm portion 11, an external force directly applied to the arm portion 11 is applied. This can be prevented and damage to the arm portion 11 can be suppressed. Further, since the guide portion 24 provided on the side of the protrusion 21 of the arm portion 11 is provided integrally with the protrusion 21, the configuration provided on the side surface portion 20b of the case 20 is reduced, and the configuration of the electronic device housing 1 is configured. Can be simplified.
  • FIG. 17 is a perspective view showing the appearance of the electronic device housing 1.
  • the electronic device housing 1 according to the fourth embodiment has a configuration in which an adhesive is provided between the cover 10 and the case 20.
  • the force Fb for pressing the internal parts housed in the electronic device housing 1 with the cover 10 may be insufficient. If the force Fb is insufficient, the internal parts will move due to violent vibration.
  • the adhesive 70 is applied to the portion between the cover 10 and the case 20 where the cover 10 and the case 20 come into contact with each other. When the cover 10 and the case 20 are joined with the adhesive 70, the cover 10 and the case 20 are integrated by the adhesive 70.
  • the movement of the internal parts is suppressed in combination with the force Fb, and the internal parts can be stably fixed.
  • the portion where the cover 10 to which the adhesive 70 is applied and the case 20 come into contact is around the cover 10.
  • the application of the adhesive 70 is not limited to the entire circumference around the cover 10, and may be appropriately determined according to the vibration applied to the electronic device housing 1.
  • the electronic device housing 1 can be provided with a waterproof function.
  • the electronic device housing 1 since the adhesive 70 is applied between the cover 10 and the case 20, even if the electronic device housing 1 is violently vibrated, the electronic device housing 1 is applied.
  • the internal parts housed in 1 can be stably fixed inside the electronic device housing 1. Further, when the entire circumference of the cover 10 and the case 20 are joined with the adhesive 70, the electronic device housing 1 can be provided with a waterproof function.
  • the present application also describes various exemplary embodiments and examples, although the various features, embodiments, and functions described in one or more embodiments are those of a particular embodiment. It is not limited to application, but can be applied to embodiments alone or in various combinations. Therefore, innumerable variations not illustrated are envisioned within the scope of the techniques disclosed herein. For example, it is assumed that at least one component is modified, added or omitted, and further, at least one component is extracted and combined with the components of other embodiments.

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Computer Security & Cryptography (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Casings For Electric Apparatus (AREA)
PCT/JP2019/048629 2019-12-12 2019-12-12 電子機器筐体 Ceased WO2021117179A1 (ja)

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DE112019007958.1T DE112019007958T5 (de) 2019-12-12 2019-12-12 Gehäuse für elektronische Vorrichtung
US17/631,562 US12262483B2 (en) 2019-12-12 2019-12-12 Electronic device housing
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DE112019007958T5 (de) 2022-09-22
CN114788429A (zh) 2022-07-22
CN114788429B (zh) 2024-07-02
US20220279664A1 (en) 2022-09-01
JPWO2021117179A1 (https=) 2021-06-17
US12262483B2 (en) 2025-03-25

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