Electronics and Fixtures

Abstract

Provided is an electronic device and a fixing structure that facilitates handling of screws for fixing an electronic module to a substrate. [Solution] The fixing structure 30 fixes the communication module 26 to the board 21, and includes a bracket 40 provided along an edge forming one end of the electronic module 26, a screw 41 rotatably provided relative to the bracket 40 and fixing an end of the communication module 26 to the board 21, and a sheet 42A protruding from the bracket 40 on the side opposite the communication module 26. The communication module 26 has terminal blocks 35a-35f formed along an edge, and detachable shielded wires 36a-36d connected to it. The sheet 42A is transparent, and is provided with a matching symbol 45 at a position overlapping the shielded wires 36a-36d that can be matched with the shielded wires 36a-36d.

Description

[Technical field]

[0001] The present invention relates to an electronic device including a substrate and an electronic module fixed to the substrate, and to a fixing structure for fixing the electronic module to the substrate. [Background technology]

[0002] In electronic devices such as notebook PCs, a removable electronic module may be provided on a board. One end of the electronic module in the electronic device described in Patent Document 1 is connected to a connector mounted on the board, and the other end is fixed to the board with a screw. Such an electronic module can be replaced by removing the screw. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Patent No. 7531669 Summary of the Invention [Problem to be solved by the invention]

[0004] However, the screws used for such fixing are small and difficult to handle in the narrow space inside the housing.

[0005] The present invention has been made in consideration of the above problems, and has an object to provide an electronic device and a fixing structure that make it easy to handle screws for fixing an electronic module to a substrate. [Means for solving the problem]

[0006] In order to solve the above-mentioned problems and achieve the objective, an electronic device according to a first aspect of the present invention is an electronic device comprising a substrate and an electronic module fixed to the substrate, the electronic device having a bracket arranged along an edge forming one end of the electronic module, a screw rotatably arranged relative to the bracket and fixing the edge of the electronic module to the substrate, and a sheet protruding from the bracket on the side opposite the electronic module.

[0007] A fixing structure according to a second aspect of the present invention is a fixing structure for fixing an electronic module to a substrate, and includes a bracket arranged along an edge forming one end of the electronic module, a screw rotatably arranged relative to the bracket and fixing the edge of the electronic module to the substrate, and a sheet protruding from the bracket on the side opposite the electronic module. Effect of the Invention

[0008] According to the above aspect of the present invention, the screws for fixing the electronic module to the substrate can be easily handled. [Brief description of the drawings]

[0009] [Figure 1] FIG. 1 is a top view of an electronic device according to an embodiment. [Diagram 2] FIG. 2 is a bottom view illustrating a schematic internal structure of the housing. [Diagram 3] FIG. 3 is an exploded perspective view of a fixing structure in the electronic device. [Figure 4] FIG. 4 is a perspective view of a fixing part and its surroundings in the fixing structure, as viewed obliquely from above. [Diagram 5] FIG. 5 is an exploded perspective view of the fixing part. [Figure 6] FIG. 6 is a partially enlarged perspective view of the fixing part as viewed obliquely from below. [Figure 7] FIG. 7 is a cross-sectional side view of a fixing part and its surrounding area in the fixing structure. [Figure 8]FIG. 8 is a plan view of a fixing part in the fixing structure. [Figure 9] FIG. 9 is a perspective view of a fixing part according to the second embodiment. [Figure 10] FIG. 10 is an exploded perspective view of a fixing part according to the second embodiment. [Figure 11] FIG. 11 is a perspective view of a fixing part according to the third embodiment. [Figure 12] FIG. 12 is an exploded perspective view of a fixing part according to the third embodiment. [Figure 13] FIG. 13 is a perspective view of a fixing part according to the fourth embodiment. [Figure 14] FIG. 14 is an exploded perspective view of a fixing part according to the fourth embodiment. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0010] DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of an electronic device according to the present invention will be described in detail with reference to the accompanying drawings. However, the present invention is not limited to these preferred embodiments.

[0011] Fig. 1 is a top view of an electronic device 10 according to an embodiment. As shown in Fig. 1, the electronic device 10 includes a housing 12, a display housing 14, and a hinge 16. The electronic device 10 according to this embodiment is a clamshell notebook PC in which the housing 12 and the display housing 14 are connected by the hinge 16 so as to be relatively rotatable. The present invention can be applied to various information devices other than notebook PCs, such as desktop PCs, tablet PCs, mobile phones, smartphones, portable game consoles, and electronic organizers.

[0012] The housing 12 is a flat box-shaped housing. The housing 12 is composed of a cover material 12a on the operation surface side and a cover material (conductive cover) 12b on the bottom surface side. The cover material 12a forms the upper surface and four side surfaces of the housing 12. The cover material 12b is a cover plate that closes the opening on the lower surface side of the cover material 12a and forms the lower surface of the housing 12. The cover material 12b in this embodiment is made of a material such as metal, or has a conductive paint or conductive sheet on the inner surface, and is conductive as a whole. When the electronic device 10 is assembled, the cover material 12b is conductive to the ground of the board 21. A keyboard 18 and a touch pad 19 are provided on the upper surface of the housing 12. In the following description, the direction is defined based on a fixing structure 30 described later, and the side of the cover material 12b is the upper side and the side of the cover material 12a is the lower side, opposite to the state in which the housing 12 is normally placed when it is used. The same applies to the left and right direction. Regarding the front and back, the side closer to the user is the front, and the side farther from the user is the rear.

[0013] The display housing 14 is a flat box-shaped housing that is thinner than the housing 12. A display 20 is provided on the front surface of the display housing 14. The display 20 is, for example, a liquid crystal display. A hinge 16 connects the rear edge of the housing 12 and the bottom edge of the display housing 14. A pair of hinges 16 are provided, for example, on the left and right sides.

[0014] Fig. 2 is a bottom view showing a schematic internal structure of the housing 12. As shown in Fig. 2, inside the housing 12, a board 21, a battery device 22, left and right speakers 23R, 23L, a cooling module 24, and various electronic and mechanical components are housed and covered with covers 12a, 12b.

[0015] The board 21 is the main board of the electronic device 10 and occupies approximately half of the rear side of the housing 12, and electronic components such as a CPU 21a, connectors 21b, 21c, etc. are mounted on the board 21. The CPU 21a controls the entire electronic device 10. The board 21 is further provided with a communication module (electronic module) 26, a storage module (electronic module) 27, etc. via connectors 21b, 21c. The communication module 26 is, for example, a WWAN (Wireless Wan) module compatible with 5G. The storage module 27 is, for example, an SSD (Solid State Drive). The communication module 26 is a rectangle that is slightly longer in the horizontal direction. The storage module 27 is a rectangle that is even longer in the horizontal direction. The communication module 26 and the storage module 27 may be replaced for the purpose of improving performance, etc.

[0016] The battery device 22 is a secondary battery that serves as the power source for the electronic device 10 and occupies approximately the front half of the housing 12. The speakers 23R and 23L are located at positions separated on the left and right sides within the housing 12. The cooling module 24 is disposed in a space secured between the board 21 and the battery device 22. The cooling module 24 is for cooling heat-generating components such as the CPU 21a, and has fans 28R, 28L disposed separately on the left and right, and a heat pipe 24a that receives heat from the CPU 21a and transports the heat to the fan 28. The communication module 26 is disposed between the speaker 23R and the fan 28R. The memory module 27 is disposed between the speaker 23L and the fan 28L. The fans 28R, 28L are somewhat large to ensure heat dissipation performance. The speakers 23R, 23L are somewhat large to improve sound quality. Therefore, there is not much space between the speaker 23 and the fan 28, and due to the relationship with other mounted components, the communication module 26 and the memory module 27 are disposed in a relatively narrow space.

[0017] 3 is an exploded perspective view of the fixing structure 30 in the electronic device 10. The fixing structure 30 is for fixing the communication module 26 to the board 21, and includes a fixing part 31A, a boss 34, and the above-mentioned connector 21b.

[0018] Connector 21b is a type of card edge socket that is mounted on the top surface of substrate 21, with slot 21ba formed on the right side. Boss 34 is adapted for fixing communication module 26, and is located slightly away from connector 21b on the right side. Boss 34 is a stepped cylinder made up of base 34a and protruding portion 34b. A female screw is formed in the hollow portion of protruding portion 34b.

[0019] The communication module 26 has a structure in which a flat module housing 26b is provided on the upper surface of a module substrate 26a. The module substrate 26a and the module housing 26b have the same front-to-rear width. The module substrate 26a is slightly wider than the module housing 26b, with the part protruding to the right forming a terminal board 26c and the part protruding to the left forming a connection terminal 26d. The connection terminal 26d is inserted into the slot 21ba of the connector 21b. The terminal board 26c has a semicircular notch 26e in the center in the front-to-rear direction into which the protruding part 34b of the boss 34 fits. The peripheral part of the semicircular notch 26e in the terminal board 26c is placed on the base part 34a of the boss 34.

[0020] A total of six terminal blocks 35a, 35b, 35c, 35d, 35e, and 35f are formed in this order on the terminal board 26c, three on each side of the semicircular notch 26e. Two or more of the terminal blocks are connected to detachable shielded wires (electric wires). In this case, the shielded wire 36a is connected to the terminal block 35a, the shielded wire 36b is connected to the terminal block 35b, the shielded wire 36c is connected to the terminal block 35c, and the shielded wire 36d is connected to the terminal block 35d. The heads 37 of the shielded wires 36a to 36d are connected to the terminal blocks 35a to 35d and extend to the right. In this case, the terminal blocks 35e and 35f are not connected to electric wires, so they may be omitted.

[0021] The shielded wires 36a to 36d have a signal conductor at the center of the axis, with a shield provided via an insulating material, and a sheath covering the periphery. The heads 37 of the shielded wires 36a to 36d, which connect to 35a, 35b, 35c, and 35d, are exposed and are electrically connected to the shield. The shielded wires 36a are color-coded yellow, the shielded wire 36b white, the shielded wire 36c black, and the shielded wire 36d blue. In Fig. 3 and Fig. 8, light dots indicate yellow, white outlines indicate white, solid areas indicate black, and dark dots indicate blue.

[0022] The fixed part 31A will be described. Fig. 4 is a perspective view of the fixing part 31A and its surroundings in the fixing structure 30 as viewed obliquely from above. Fig. 5 is an exploded perspective view of the fixing part 31A. Fig. 6 is a partially enlarged perspective view of the fixing part 31A as viewed obliquely from below. Fig. 7 is a cross-sectional side view of the fixing part 31A and its surroundings in the fixing structure 30.

[0023] The fixing part 31A has a bracket 40 provided along the edge 26f that forms one end of the communication module 26, a screw 41 that fixes the terminal board 26c that is the end of the communication module 26 to the board 21, a flexible sheet 42A that protrudes to the right from the bracket 40, and two thin conductive sponges (first conductive elastic bodies) 43. The size of the screw 41 is, for example, M2.0, and since it is small, skill is required to hold and operate it by hand.

[0024] The bracket 40 has an elongated plate shape in the front-rear direction as a whole, and has two flat parts 40a, a recessed part 40b formed between them, bent parts 40c protruding downward on both sides in the front-rear direction, and a small protruding piece 40d protruding to the right side from the recessed part 40b. The bracket 40 is made of a metal plate such as stainless steel (conductive material) with a plate thickness of about 0.6 mm, and has sufficient strength. The front-rear width of the bracket 40 and the communication module 26 are equal.

[0025] One side of the flat portion 40a covers the terminal blocks 35a to 35c, and the other side covers the terminal blocks 35d to 35f. The recessed portion 40b is substantially square and slightly lower than the flat portion 40a. A screw hole 40ba into which the screw 41 is inserted is formed at the center of the recessed portion 40b. The screw hole 40ba has a larger diameter than the threaded portion of the screw 41, and the inserted screw 41 can rotate freely.

[0026] The bent portion 40c is divided into a terminal board mounting portion 40ca on the left side and a protruding portion 40cb on the right side. The terminal board mounting portion 40ca is a portion that is placed on the front and rear edges of the terminal board 26c, and has the same left and right width as the terminal block 35c. The terminal board mounting portion 40ca has an appropriate height so that the flat portion 40a does not directly contact the head 37 connected to the terminal block 35c. The protruding portion 40cb protrudes slightly downward from the terminal board mounting portion 40ca and abuts against the front and rear right end faces of the terminal board 26c to prevent the bracket 40 from rotating.

[0027] The sheet 42A is made of a flexible thin resin material and has a gripping portion 42a and a connecting portion 42b. The gripping portion 42a protrudes from the bracket 40 to the right, that is, on the opposite side to the communication module 26. The left-right width of the gripping portion 42a is formed to be necessary and sufficient to be grasped with a hand (see hand H1 shown by imaginary lines in FIG. 4), and is, for example, about 15 mm. The front-rear width of the gripping portion 42a is slightly smaller than that of the bracket 40. A gentle slope 42aa is formed on the front edge of the gripping portion 42a to avoid interference with the speaker 23R (see FIG. 2). Small notches 42ab are formed on the front and rear boundaries of the gripping portion 42a with the connecting portion 42b, making it easy to bend between the gripping portion 42 and the connecting portion 42b.

[0028] The connecting portion 42b is a portion connected to the bracket 40, and protrudes from the center of the gripping portion 42a in the front-rear direction toward the left side via a small crank-shaped step portion 42c to abut against the bottom surface of the recess 40b. The step of the step portion 42c and the recess 40b have approximately the same depth, and the gripping portion 42a is set to the same height as the flat portion 40a. A small rectangular anti-rotation hole 42ca is formed in the step portion 42c, and the protruding piece 40d fits into it. The anti-rotation hole 42ca is sized so that the protruding piece 40d fits into it just right. The seat 42A is fixed to the bracket 40 by the screw 41 at the connecting portion 42b, so that the screw 41 alone would become the center of rotation, but the protruding piece 40d fits into the anti-rotation hole 42ca to prevent relative rotation. When a rotational force is applied to the seat 42A, it may temporarily bend slightly. Even if the sheet 42A is bent to a certain extent, the protrusion 40d is not pulled out because the anti-rotation hole 42ca is fitted deep enough, and it returns to its original state when the rotation force is released. Therefore, even an inexperienced operator can easily handle it.

[0029] The connecting portion 42b and the recess 40b have almost the same shape. A screw hole 42ba is formed in the center of the connecting portion 42b. The male thread of the screw 41 is screwed into the screw hole 42ba in the connecting portion 42b. The pilot hole for forming the screw hole 42ba is formed with a diameter slightly smaller than the male thread of the screw 41, and the male thread is screwed into the screw hole 42ba in a tapping manner to bite into the screw. Therefore, the sheet 42A basically does not fall off the bracket 40 and the screw 41, in other words, the connecting portion 42b holds the screw 41 in the bracket 40 so that it cannot fall off. The structure for preventing the screw 41 from falling off is not limited to this.

[0030] The conductive sponge 43 has substantially the same shape as the flat portion 40a in a plan view, and is fixed to the lower surface of the flat portion 40a with a conductive adhesive. The conductive sponge 43 elastically contacts each head 37. A conductive sponge (second conductive elastic body) 44 is provided on the inner surface of the cover material 12b (see Figs. 2 and 7) and is adapted to elastically contact the bracket 40. Therefore, the head 37 is electrically connected to the cover material 12b via the conductive sponge 43, the bracket 40, and the conductive sponge 44, and exhibits a shielding function for the shielded wires 36a to 36d.

[0031] The recess 40b has several functions. The presence of the recess 40b places the flat portion 40a at a relatively high position, ensuring a space for inserting the conductive sponge 43 without interfering with the head 37. The presence of the recess 40b allows the head of the screw 41 to be placed at a lower position than the flat portion 40a. The recess 40b functions as a washer for the screw 41. The recess 40b corresponds to the stepped portion 42c of the sheet 42, and a protrusion 40d protruding to the right from the recess 40b fits into an anti-rotation hole 42ca of the stepped portion 42c to provide an anti-rotation effect.

[0032] 8 is a plan view of fixing part 31A in fixing structure 30. Grip portion 42a of sheet 42A is transparent (including semi-transparent), making the position and color of the underlying shielded wires 36a-36d visible. Grip portion 42a is marked with matching symbols 45 that can be matched with the shielded wires 36a-36d at positions that overlap with the shielded wires 36a-36d. These matching symbols 45 are provided in multiple rows (three rows in this case) according to the type of communications module 26, together with symbols 46 that indicate the type.

[0033] The types of communication module 26 are classified into 5G and 4G. The communication module 26 of this embodiment is compatible with 5G, and corresponds to the upper row 45a marked with "5G" as the symbol 46. In the upper row 45a, a comparison symbol 45aa corresponding to the shielded line 36a, a comparison symbol 45ab corresponding to the shielded line 36b, a comparison symbol 45ac corresponding to the shielded line 36c, and a comparison symbol 45ad corresponding to the shielded line 36d are marked with circles of the same color at positions overlapping with each shielded line. In other words, the comparison symbols 45 can be matched and identified by their colors, which prevents connection errors and facilitates visual inspection.

[0034] In the middle row 45b and the lower row 45c, "4G" is printed as the symbol 46, but this is due to differences in specifications such as the country of application. The middle row 45b is for countries that use four shielded wires, and four comparison symbols 45ba, 45bb, 45bc, and 45bd are printed in positions that overlap the corresponding shielded wires. The lower row 45c is for countries that use two shielded wires, and two comparison symbols 45ca and 45cb are printed in positions that overlap the corresponding shielded wires. The means for matching the shielded wires using the comparison symbols 45 is not limited to color, and may also be a pattern or letters (such as the letter "white"). The gripping portion 42a has an appropriate width for gripping, and the comparison symbols 45 can be provided in about three rows.

[0035] In such electronic device 10 and fixing structure 30, the bracket 40 is provided along the edge 26f of the communication module 26, and therefore has a certain length and size, so there is no concern that it will be lost in a narrow space inside the housing 12. Moreover, the screw 41 for fixing the communication module 26 to the board 21 is provided on the bracket 40 so as not to fall off, so there is also no concern that it will be lost.

[0036] The bracket 40 is fitted with a sheet 42A of an appropriate size for gripping, and can be easily handled even in tight spaces by gripping it with hand H1 in Fig. 4, making it easy to screw in the screws 41 with a screwdriver D. In places with ample space, the screws 41 can be held more stably by gripping the bracket 40 with hand H2 in Fig. 4, making the work easier. The bracket 40 is strong enough that it will not deform when the screws 41 are screwed in.

[0037] The sheet 42A protrudes from the bracket 40 to the right, opposite the communication module 26, so that the correct orientation of the bracket 40 can be intuitively grasped, and the protrusion 40cb can be prevented from interfering with the module housing 26b when the bracket 40 is assembled in reverse. The bracket 40 is prevented from rotating by the protrusion 40cb during the screw 41 screwing operation. Even if the worker inadvertently applies a rotational force to the bracket 40 after the screw 41 is screwed, the bracket 40 will not rotate due to the presence of the protrusion 40cb. In addition, the sheet 42A is prevented from rotating by the protruding piece 40d, so that the sheet 42A is maintained in the correct orientation and the shielded wire can be correctly confirmed by the matching mark 45. The male thread of the screw 41 is screwed into the connection portion 42b of the sheet 42A, and the connection portion 42b also serves as a means for preventing the sheet 42A from falling off, which is rational. The fixing structure 30 may be applied to other electronic modules such as the memory module 27.

[0038] Next, a description will be given of other embodiments that can be used in place of the fixing part 31A. In the following embodiments, components similar to those of the fixing part 31A are given the same reference numerals, and detailed description thereof will be omitted.

[0039] FIG. 9 is a perspective view of the fixing part 31B according to the second embodiment. FIG. 10 is an exploded perspective view of the fixing part 31B. In the fixing part 31B, a sheet 42B is used instead of the above-mentioned sheet 42A. The sheet 42B has protrusions 42d formed at both front and rear ends of the side of the gripping part 42a facing the bracket 40, and the front-rear width including the protrusions 42d is equal to that of the bracket 40. In other words, the two protrusions 42d of the sheet 42B abut against the bent part 40c of the bracket 40 to prevent relative rotation. The rotation stopper in the sheet 42B is not limited to a protrusion shape, but may be any shape that abuts a part of the bent part 40c. The sheet 42B does not have the above-mentioned step part 42c or rotation stopper hole 42ca, and is easy to mold. The bracket of the second embodiment does not have the protruding piece 40d.

[0040] FIG. 11 is a perspective view of a fixing part 31C according to a third embodiment. FIG. 12 is an exploded perspective view of the fixing part 31C. In the fixing part 31C, a sheet 42C is used instead of the sheet 42A. The sheet 42C is provided with two connecting parts 42e. The connecting parts 42b in the sheet 42A are provided at positions overlapping the recessed parts 40b, while the two connecting parts 42e overlap the flat parts 40a. The left and right widths of the connecting parts 42e are set to be appropriately long, and the right half 42ea contacts the upper surface of the flat part 40a, and the left half 42eb is folded back and contacts the lower surface, and each is fixed with an adhesive tape to prevent relative rotation. In the sheet 42C, the connecting parts 42e are fixed in contact with the flat part 40a over a wide area, so that the gripping parts 42a can be stably gripped easily and have a rotation-preventing effect. The screw 41 has a fall-prevention washer 47 attached to the underside of the recess 40b to prevent it from falling off. The conductive sponge 43 is not provided on the fixed part 31C.

[0041] FIG. 13 is a perspective view of the fixing part 31D according to the fourth embodiment. FIG. 14 is an exploded perspective view of the fixing part 31D. In the fixing part 31D, a sheet 42D is used instead of the above-mentioned sheet 42A. The sheet 42D is provided with two connecting parts 42f. The connecting parts 42f protrude leftward from the gripping part 42a like the above-mentioned connecting parts 42e, but are slightly shorter. In the bracket 40 in the fourth embodiment, slits 40e are formed in each flat part 40a along the front-rear direction. The right half 42fa of the connecting part 42f contacts the upper surface of the flat part 40a to the right of the slit 40e, and the left half 42eb passes through the slit 40e and is folded back to contact the lower surface to the right of the slit 40e, and is fixed with adhesive tape to prevent relative rotation. The conductive sponge 48 applied to the fixing part 31D is narrower in left-right width than the above-mentioned conductive sponge 43, and is attached to the lower surface to the left of the slit 40e. In the fixed part 31D, the connecting portion 42f is fixed to the bracket 40 over a suitably wide area, so that the gripping portion 42a is stable.

[0042] The present invention is not limited to the above-described embodiment, and can of course be freely modified without departing from the spirit and scope of the present invention. [Explanation of symbols]

[0043] 10 Electronic equipment 12. Chassis 12b Cover material (conductive cover) 16 Hinge 21 Substrate 26 Communication module (electronic module) 26a Module Board 26b Module housing 26c terminal board 26d Connection terminal 26e Semicircular notch 30 Fixed structure 31A, 31B, 31C, 31D Fixing parts 34 Boss 35a,35b,35c,35d,35e,35f terminal block 36a, 36b, 36c, 36d Shielded wire 37 Head 40 Bracket 40ba screw hole 40c bent part 40ca terminal board mounting area 40d protrusion 41 Screw 42A, 42B, 42C, 42D Sheets 42a Gripping part 42b, 42e, 42f Connections 42ba screw hole 42c Step 42ca Anti-rotation hole 42d protrusion 43, 48 Conductive sponge (first conductive elastic body) 44 Conductive sponge (second conductive elastic body) 45, 45aa, 45ab, 45ac, 45ad, 45ba, 45bb, 45bc, 45bd, 45ca, 45cb Matching symbol

Claims

1. An electronic device including a substrate and an electronic module fixed to the substrate, a bracket provided along an edge forming one end of the electronic module; a screw rotatably disposed on the bracket and configured to fix the edge of the electronic module to the substrate; a sheet protruding from the bracket to a side opposite to the electronic module; have 1. An electronic device comprising:

2. 2. The electronic device according to claim 1, the electronic module is formed with a plurality of terminal blocks along the edge; At least two of the plurality of terminal blocks are connected to detachable electric wires, The sheet is transparent and has a reference mark at a position where the sheet overlaps with the electric wire so that the reference mark can be matched with the electric wire.

1. An electronic device comprising:

3. 3. The electronic device according to claim 2, The sheet has a plurality of rows of symbols indicating the types of the electronic modules and the reference symbols in accordance with the types of the electronic modules.

1. An electronic device comprising:

4. 3. The electronic device according to claim 2, a conductive cover covering the substrate and the electronic module; the bracket is made of a conductive material; The electric wire is a shielded wire, and a head portion connected to the terminal block is electrically conductive with the shield, a first conductive elastic body sandwiched between the head and the bracket; A second conductive elastic body sandwiched between the bracket and the conductive cover; have 1. An electronic device comprising:

5. 2. The electronic device according to claim 1, Relative rotation between the bracket and the seat is prevented.

1. An electronic device comprising:

6. 6. The electronic device according to claim 5, The sheet is a gripping portion protruding from the bracket on a side opposite to the electronic module; A connection portion overlapping the bracket; a step portion provided between the grip portion and the connection portion and having a rotation prevention hole; having The bracket has a protruding piece protruding on a side opposite to the electronic module, The protrusion fits into the anti-rotation hole to prevent relative rotation between the bracket and the seat.

1. An electronic device comprising:

7. 2. The electronic device according to claim 1, The male thread of the screw is screwed into a screw hole of a connection part of the seat that overlaps with the bracket.

1. An electronic device comprising:

8. 2. The electronic device according to claim 1, The electronic module is a communication module.

1. An electronic device comprising:

9. A fixing structure for fixing an electronic module to a substrate, comprising: a bracket provided along an edge forming one end of the electronic module; a screw rotatably disposed on the bracket and configured to fix the edge of the electronic module to the substrate; a sheet protruding from the bracket to a side opposite to the electronic module; have A fixing structure characterized by:

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