TWI776754B - Fixtures for Electronic Devices (10) - Google Patents

Abstract

A holder for an electronic device, which includes a positioning member, which includes a base with a raised step above, and the base and the two ends of the step are opposite to form a first supporting recess and a first Two supporting concave parts, the step adjacent to the outer peripheral surfaces of the first supporting concave part and the second supporting concave part respectively forms a corresponding first positioning convex part and a second positioning convex part; Or a plate fixing structure reversely fixed in a plate hole of a plate, wherein a first distance from the first supporting recess to the center of the plate fixing structure is smaller than the second supporting recess and the center of the plate fixing structure a second distance to correspond to the length difference between a first electronic device and a second electronic device; and a clip includes a clip, the clip and the step are provided with a docking mechanism, and the clip is used to fasten The sheet closes the first support recess and/or the second support recess.

Description

Fixtures for Electronic Devices (10)

This case relates to a fixture, especially a fixture for two electronic devices with different length specifications, such as M.2 solid state drives, Wi-Fi wireless network cards, 3G network cards or circuit boards.

It is a well-known technology to use a fixture to fix an electronic device on a board, such as a circuit board, such as the domestic patent publication No. M515255 (corresponding to the Chinese patent No. 201520485399.7) shown.

However, the aforementioned electronic devices, such as M.2 solid-state drives, do not have any size specifications in the industry, so M.2 solid-state drives manufactured by different manufacturers have different length specifications. The aforementioned board, such as an electrical connector on the circuit board, and a board hole for the holder to be attached to are set at a fixed distance, so as to install an M.2 solid state hard disk that meets the length specification, if the The M.2 solid state drive must be replaced with a new M.2 solid state drive due to insufficient or damaged memory capacity. If there is a difference in length between the old and new M.2 solid-state drives, for example, 2mm, the new M.2 solid-state drive cannot be installed on the circuit board, which troubles electronic equipment, such as server assembly plants.

Therefore, how to make the holder correspond to two electronic devices of different length specifications without destroying the hole of the board is a problem that the related industry needs to overcome urgently.

The main purpose of this application is to provide a holder for electronic devices, which has a plate, such as a board hole of a circuit board, which can be connected to two electronic devices with different length specifications, such as M.2 solid state hard disk, Wi-Fi -Fixer for Fi wireless network card, 3G network card or circuit board to overcome the serious defect that these electronic devices cannot be installed due to different length specifications. The holder in this case can be adapted to two electronic devices with different length specifications through a special space configuration. device.

In order to achieve the aforementioned purpose, the technical means adopted in this case is to provide a holder for an electronic device, which includes a positioning member and a clip; the positioning member includes a base with a raised step above, the base is The seat and the two ends of the step are opposite to form a first supporting recess for a positioning groove of a first electronic device to span; and a second supporting recess for a positioning groove of a second electronic device to span Supporting concave portion, the step adjacent to the outer peripheral surfaces of the first supporting concave portion and the second supporting concave portion respectively forms a corresponding first positioning convex portion and a second positioning convex portion; and the bottom surface of the base additionally includes a positive or A plate fixing structure reversely fixed in a plate hole of a plate, wherein a first distance from the first supporting recess to the center of the plate fixing structure is smaller than the distance between the second supporting recess and the center of the plate fixing structure a second distance to cope with the length difference between the first electronic device and the second electronic device; and the clip includes a clip, the clip and the step are axially provided with a docking mechanism, and the clip is used The fixing piece closes the first supporting recess and/or the second supporting recess so as to jointly hold the positioning groove of the first electronic device or the positioning groove of the second electronic device.

In one embodiment, the docking mechanism includes a first insertion hole and a second insertion hole axially disposed on the step and spaced apart, and the first insertion hole is adjacent to the first supporting recess, and the The second insertion hole is adjacent to the second supporting recess; and the clamping piece axially protrudes a fixing pin that can be selectively inserted into the first insertion hole or the second insertion hole.

In one embodiment, the fixing pin is opposite to the adjacent peripheral surface of the first insertion hole or the second insertion hole and is provided with a buckle structure including at least a buckle groove and a buckle ring.

In one embodiment, the docking mechanism includes a first insertion hole and a second insertion hole axially disposed on the step and spaced apart, and the first insertion hole is adjacent to the first supporting recess, and the The second insertion hole is adjacent to the second supporting recess; and the clamping piece is axially protruded and inserted into the first insertion hole and the second insertion hole and correspondingly disposed with a first fixing pin and a second fixing pin.

In one embodiment, the adjacent peripheral surfaces of the first fixing pin and the first insertion hole and the second fixing pin and the second insertion hole are oppositely provided with a clip including at least a buckle groove and a buckle ring. Buckle structure.

In one embodiment, the docking mechanism includes an insertion hole axially disposed on the step; and the clamping piece axially protrudes with a fixing pin inserted into the insertion hole and correspondingly disposed.

In one embodiment, a buckling structure including at least a buckling groove and a buckling ring is oppositely disposed on the adjacent peripheral surface of the insertion hole of the fixing pin.

In one embodiment, another handle extends axially from the bottom surface of the clamping piece.

In one embodiment, the positioning member and the clip are connected by a connecting strip, and two ends of the connecting strip are respectively connected to the base and the clip.

In one embodiment, a thinned bending section is disposed in the middle of the connecting strip.

In one embodiment, a mortise is protruded from the bottom surface of the base to be inserted into the plate hole.

In one embodiment, the plate fixing structure includes an arrow-shaped fixing hook protruding from the bottom surface of the base, a pair of elastic hook pieces extending outward from the fixing hook, and the free ends of the pair of elastic hook pieces A plurality of tooth steps arranged in a step-like manner are relatively arranged, so as to be fastened in the plates of different thicknesses or the plate holes of different diameters.

In one embodiment, a fixing protrusion is protruded from a longitudinal surface of the fixing hook, so that the fixing hook and the fixing protrusion can be inserted into the cross-shaped plate hole.

As shown in FIG. 1 to FIG. 2, it discloses a first implementation of a holder 1 for two electronic devices with different length specifications, such as M.2 solid state drives, Wi-Fi wireless network cards, 3G network cards or circuit boards For example, the holder 1 includes a positioning member 11 and a clamping member 12 which are injection-molded with insulating material, such as plastic.

The positioning member 11 includes a base 111 having a geometric shape, such as an oval shape, a raised step 13 above the base 111 , and a first insertion hole 133 a and a second insertion hole 133 a and a second opening are formed on the step 13 at an axial interval. A first supporting recess 112 and a second supporting recess 113 are formed on the step 13 and the two ends of the base 111 opposite to the insertion hole 133b. The first supporting recess 112 is used for a first electronic device 3 , such as a positioning groove 32 (shown in FIG. 4 ) of an M.2 solid-state hard disk to straddle, and the step 13 is adjacent to the outer periphery of the first supporting recess 112 The surface forms a first positioning protrusion 131 for positioning the positioning groove 32 . The second supporting recess 113 is used for another second electronic device 3 ′, such as a positioning groove 32 ′ (shown in FIG. 11 ) of an M.2 solid-state hard disk, to straddle, and the step 13 is adjacent to the second supporting recess The outer peripheral surface of 113 forms a second positioning protrusion 132 for positioning the positioning groove 32'.

Furthermore, a docking mechanism is used between the step 13 and a clip 121 of the clip 12, for example, at least one insertion hole 133 is connected with at least one corresponding fixing pin 122, so that the clip 12 does not connect with the clip 12. The positioning member 11 is separated. As shown in FIG. 1 , the docking mechanism of the step 13 includes a first insertion hole 133a and a second insertion hole 133b arranged at intervals, the first insertion hole 133a is adjacent to the first supporting recess 112, and the The second insertion hole 133b is adjacent to the second supporting recess 113 .

In addition, a tenon 14 (shown in FIG. 2 ) protrudes from the bottom surface of the base 111 so as to be inserted into a board 2 , such as a predetermined hole 22 (shown in FIG. 3 ) of a circuit board.

In particular, in order to enable the positioning member 11 to be fastened to the plate 2 (please refer to FIG. 3 to FIG. 4 ), the bottom surface of the base 111 further includes a forward or reverse fixed to the plate 2 . The plate fixing structure 15, the plate fixing structure 15 includes an arrow-shaped fixing hook 151 protruding from the bottom of the base 111, a pair of elastic hook pieces 152 extending outward from the fixing hook 151, the pair of elastic hooks The free end of the sheet 152 is oppositely provided with a plurality of tooth steps 153 arranged in steps, so as to be fastened in the plate 2 of different thicknesses or the plate holes 22 of different diameters, so as to expand the use range. A fixing protrusion 154 is protruded from at least one axial outer surface of the fixing hook 151 , and the fixing hook 151 and the at least one fixing protrusion 154 can be inserted into the cross-shaped plate hole 22 (please refer to FIG. 3), and the anti-rotation effect is provided by the tenon 14 and the at least one fixing protrusion 154 .

Furthermore, a first distance L1 from the first supporting recess 112 to the plate fixing structure 15 , such as the center of the fixing hook 151 , is smaller than the second supporting recess 113 and the plate fixing structure 15 , such as the fixing hook 151 . A second distance L2 between the centers of the first electronic device 3 and the second electronic device 3 ′.

The clip 12 has a clip 121, the clip 121 axially includes the docking mechanism, such as a fixing pin 122 inserted into the first insertion hole 133a or the second insertion hole 133b, the The fixing pin 122 and the adjacent peripheral surface of the first insertion hole 133a or the second insertion hole 133b are provided with a buckle structure, such as at least a buckle groove 123 and a buckle ring 134 (shown in FIG. 7 ), so that the The fixing pin 122 is inserted into the first insertion hole 133a or the second insertion hole 133b so as not to come out axially, and the first support recess 112 or the second support recess 113 is closed by the clamping piece 121 to prevent The positioning groove 32 of the first electronic device 3 or the positioning groove 32' of the second electronic device 3' is jointly clamped, so that the first electronic device 3 or the second electronic device 3' forms a stable positioning. effect without shaking.

Wherein, the buckle structure is not limited to the above-mentioned embodiment, and at least one buckle groove can be provided in the first insertion hole 133a and the second insertion hole 133b, and the buckle ring is arranged in the fixing hole Circumferential surface of pin 122 .

In particular, a handle 124 is axially extended from the bottom surface of the clamping piece 121 .

In order to make the positioning member 11 and the clip member 12 can be integrally formed, the positioning member 11 and the clip member 12 are connected by a connecting strip 16, that is, the two ends of the connecting strip 16 are respectively connected to the base. The seat 111 and the clamping piece 121; and in order to facilitate the bending of the connecting strip 16, a thinned bending section 161 is provided at about the middle of the connecting strip 16 to facilitate the direction of the connecting strip 16. The positioning member 11 is bent, and at the same time, the reaction force generated by the connecting strip 16 can be reduced.

Please refer to FIG. 3 to FIG. 7 , if you want to mount the first electronic device 3 , such as an M.2 solid state drive, on a board 2 , such as a printed circuit board, please refer to FIG. 3 , firstly, the positioning member The fixing hook 151 and the pair of elastic hook pieces 152 of the plate fixing structure 15 of 11 are aligned with a cross-shaped plate hole 22 of the plate 2 (shown in FIG. 3 ), so that the pair of elastic hook pieces 152 A pair of the equal tooth steps 153 is fastened to the end edges of a pair of wide grooves of the plate hole 22, and the at least one fixing protrusion 154 is inserted into a narrow groove of the plate hole 22, so that the positioning member 11 does not cause To solve the problem of wrong installation, and using the plate fixing structure 15 to firmly connect the positioning member 11 on the plate 2 (shown in FIG. 4 ), the first supporting recess 112 faces the plate 2 and faces the An electrical connector 21 is provided.

Next, a contact portion 31 at one end of the first electronic device 3 is inserted into the electrical connector 21 of the board 2 ; a positioning groove 32 at the other end is moved down and placed in the first supporting recess 112 , so that the first positioning protrusion 131 is accommodated in the positioning groove 32 to form the positioning of the other end of the first electronic device 3 (shown in FIG. 4 and FIG. 5 ).

Please refer to FIG. 5 and FIG. 6 , finally, the user's hand holds the handle 124 of the clip 12 in sequence, and bends the connecting strip 16 at the bending section 161 , and then the clip 121 The fixing pin 122 is inserted into the first insertion hole 133a on the top surface of the step 13, so that at least one buckle groove 123 of the fixing pin 122 is buckled in the buckle ring 134 in the first insertion hole 133a; and The clamping piece 121 and the first supporting recess 112 together clamp the positioning groove 32 of the first electronic device 3, so that the first electronic device 3 can be positioned firmly without shaking, so as to ensure The first electronic device 3 is electrically connected to the board 2 .

As shown in FIG. 7 , a cross-sectional view taken along the line A-A in FIG. 6 is shown, and a schematic diagram of inserting the fixing pin 122 into the first insertion hole 133 a is disclosed in detail.

Please refer to FIG. 8 to FIG. 14 , if the first electronic device 3 is to be replaced with a second electronic device 3 ′, since the length of the first electronic device 3 is about 2 mm shorter than that of the second electronic device 3 ′, therefore The second electronic device 3 ′ cannot be mounted on the first supporting recess 112 , so that the expected firm positioning effect cannot be obtained. Therefore, the user operates in reverse to remove the first electronic device 3 and the holder 1 (shown in FIG. 8 ), then invert the holder 1 by 180 degrees (shown in FIG. 9 ), and finally the holder 1. Reversely connect to the hole 22 of the plate 2 (shown in FIG. 10 ) according to the above-mentioned operation, so that the second supporting recess 113 faces the electrical connector 21 opposite to the plate 2 .

Next, insert a contact portion 31' at one end of the second electronic device 3' into the electrical connector 21 of the board 2; move a positioning groove 32' at the other end down and place it into the second support In the concave portion 113, the second positioning convex portion 132 is accommodated in the positioning groove 32' to form the positioning of the other end of the second electronic device 3' (shown in FIG. 11 and FIG. 12).

Please refer to FIG. 12 and FIG. 13 , finally, the user's hand holds the handle 124 of the clip 12 in sequence, and bends the connecting strip 16 at the bending section 161 , and then the clip 121 The fixing pin 122 is inserted into the second insertion hole 133b on the top surface of the step 13, so that at least one buckle groove 123 of the fixing pin 122 is buckled in the buckle ring 134 in the second insertion hole 133b; and The clamping piece 121 and the second supporting concave portion 113 together clamp the positioning groove 32' of the second electronic device 3', so that the second electronic device 3' can be positioned firmly without shaking. , so as to ensure the electrical connection between the second electronic device 3 ′ and the board 2 .

As shown in FIG. 14 , a cross-sectional view taken along the line B-B in FIG. 13 is shown, and a schematic diagram of inserting the fixing pin 122 into the second insertion hole 133 b is disclosed in detail.

As shown in FIG. 15 , the positioning groove 32 of the first electronic device 3 shown in FIG. 7 is placed in the first supporting recess 112 , and the clamping piece 121 is shared with the first supporting recess 112 A schematic diagram of the positioning groove 32 sandwiching the first electronic device 3, wherein L1 represents a first distance from the first supporting recess 112 to the center of the fixing hook 151; and the second shown in FIG. The positioning groove 32 ′ of the electronic device 3 ′ spans in the second supporting recess 113 , and the clamping piece 121 and the second supporting recess 113 together sandwich the positioning groove of the second electronic device 3 ′ 32 ′ is a schematic diagram, wherein L2 represents a second distance from the second supporting recess 113 to the center of the fixing hook 151 , and the second distance L2 is greater than the first distance L1 . Therefore, the second distance L2 minus the first distance L1 is equal to the length difference L3 between the first electronic device 3 and the second electronic device 3' (L2 - L1 = L3), thus confirming that the holder 1 is suitable for Two electronic devices 3 and 3' with different length specifications.

As shown in Fig. 16 to Fig. 21, it discloses a second embodiment of the fixture. Compared with the first embodiment, the same reference numerals (symbols) are used to denote the same components in the second embodiment. The second embodiment shares many common components with the first embodiment, so only the differences between the two will be described in detail later.

The difference between this embodiment and the first embodiment is that a first fixing pin 122a and a second fixing pin are respectively protruded from the clamping piece 121 corresponding to the first insertion hole 133a and the second insertion hole 133b. 122b, the first fixing pin 122a is inserted into the first insertion hole 133a, and the second fixing pin 122b is inserted into the second insertion hole 133b; and the first fixing pin 122a is connected with the first insertion hole 122b. The connecting hole 133a and the second fixing pin 122b and the adjacent peripheral surface of the second insertion hole 133b are provided with a snap structure, such as at least one snap groove 123 and a snap ring 134 (shown in FIG. 19 and FIG. 21 ).

18 shows a perspective view of the second embodiment of the holder 1 and the assembled first electronic device 3 and the board 2 ; FIG. 19 is a cross-sectional view taken along the line C-C in FIG. 18 . Fig. 20 shows a perspective view of the second embodiment of the holder 1, the second electronic device 3' and the plate 2 after assembly; Fig. 21 is a cross-sectional view taken along the line D-D in Fig. 20. In this way, when the first fixing pin 122a is inserted into the first insertion hole 133a and the second fixing pin 122b is inserted into the second insertion hole 133b, the clamping member 12 will not be axially disengaged , and the first supporting recess 112 and the second supporting recess 113 are closed together by the clamping piece 121 to jointly clamp the positioning groove 32 of the first electronic device 3 (shown in FIG. 18 and FIG. 19 ) Or the positioning groove 32' of the second electronic device 3' (shown in FIG. 20 and FIG. 21 ), so that the first electronic device 3 or the second electronic device 3' has a stable positioning effect without shaking Case.

As shown in Fig. 22 to Fig. 27, it discloses a third embodiment of the fixture. Compared with the first embodiment, the same reference numerals (symbols) are used to denote the same components in the third embodiment. The third embodiment shares many common components with the first embodiment, so only the differences between the two will be described in detail later.

The difference between this embodiment and the first embodiment is that the step 13 has only one insertion hole 133 in the axial direction, and the clamping piece 121 protrudes with a fixing pin 122 corresponding to the insertion hole 133 . The fixing pin 122 is inserted into the insertion hole 133; and the fixing pin 122 and the adjacent peripheral surface of the insertion hole 133 are oppositely provided with a buckle structure, such as at least a buckle groove 123 and a buckle ring 134 (shown in FIG. 22, FIG. 25, and Figure 27).

24 shows a perspective view of the third embodiment of the holder 1 and the assembled first electronic device 3 and the board 2 ; FIG. 25 is a cross-sectional view taken along the line E-E in FIG. 24 . Fig. 26 shows a perspective view of the third embodiment of the holder 1, the second electronic device 3' and the plate 2 after assembly; Fig. 27 is a cross-sectional view taken along the line F-F in Fig. 26 .

In this way, when the fixing pin 122 is inserted into the insertion hole 133, the clamping member 12 will not be axially disengaged, and the first supporting concave portion 112 and the second supporting concave portion are made of the clamping piece 121. 113 are closed together to jointly hold the positioning groove 32 (shown in FIG. 23 and FIG. 24 ) of the first electronic device 3 or the positioning groove 32 ′ (shown in FIG. 25 and FIG. 24 ) of the second electronic device 3 ′ FIG. 26 ), so that the first electronic device 3 or the second electronic device 3 ′ has a stable positioning effect without shaking.

Therefore, through the implementation of this case, the added effect is that the holder can rotate the holder according to two electronic devices with different length specifications and be fixed in the board, such as the board hole of the circuit board, so that The length corresponding to the first support recess of the first electronic device or the second support recess of the second electronic device faces the electrical connector of the board, and the butt between the clip and the step The combination of structures makes the clamping piece close the first supporting recess and/or the second supporting recess to clamp the first electronic device or the second electronic device, so that the first electronic device or the second electronic device The electronic device has the effect of stable positioning, so as to overcome the serious defect that these electronic devices cannot be installed due to different length specifications, which is a great structure that has never been seen before for similar items.

What is disclosed in this case is one of the preferred embodiments, and any partial changes or modifications originating from the technical ideas of this case and easily inferred by those skilled in the art are within the scope of the patent right of this case.

1: Fixer

11: Positioning pieces

111: Pedestal

112: The first support recess

113: Second support recess

12: Clip Firmware

121: Clamping piece

122: Fixed pin

122a: The first fixing pin

122b: Second fixing pin

123: Buckle slot

124: handle

13: Steps

131: The first positioning protrusion

132: Second positioning protrusion

133: plug hole

133a: the first plug hole

133b: The second plug hole

134: Buckle

14: mortise

15: Plate fixing structure

151: Fixed hook

152: Elastic hook piece

153: Tooth step

154: Fixed convex part

16: Connect the strips

161: Bend segment

2: Plate

21: Electrical connector

22: plate hole

3: The first electronic device

3': second electronic device

31, 31': Contact part

32, 32': Positioning groove

L1: first distance

L2: Second distance

L3: length difference

In order to further reveal the specific technical content of this case, please refer to the drawings first, in which: FIG. 1 and FIG. 2 are perspective views of the first embodiment of the fixing device of the present invention from two different viewing angles; 3 to 6 are the assembly flow charts of the first embodiment of the fixture, the first electronic device and the board; Figure 7 is a cross-sectional view taken along line A-A in Figure 6; 8 to 13 are the assembly flow charts of the first embodiment of the fixture, the second electronic device and the board; Figure 14 is a cross-sectional view taken along line B-B in Figure 13; FIG. 15 is a schematic diagram of the comparison of the first embodiment of the fixture of the present application, the plate and the first and second electronic devices respectively assembled; FIG. 16 and FIG. 17 are perspective views of the second embodiment of the fixture of the present invention from two different perspectives; 18 is a perspective view of the second embodiment of the fixture, the first electronic device and the plate after assembly; Figure 19 is a cross-sectional view taken along line C-C in Figure 18; 20 is a perspective view of the second embodiment of the fixture, the second electronic device and the plate after assembly; Figure 21 is a cross-sectional view taken along line D-D in Figure 20; FIG. 22 and FIG. 23 are perspective views of the third embodiment of the fixture of the present invention from two different perspectives; FIG. 24 is a perspective view of the third embodiment of the fixture, the first electronic device and the plate after assembly; FIG. Figure 25 is a cross-sectional view taken along line E-E in Figure 24; FIG. 26 is a perspective view of the third embodiment of the fixture, the second electronic device and the board after assembly; and FIG. 27 is a cross-sectional view taken along line F-F in FIG. 26 .

1: Fixer

11: Positioning pieces

111: Pedestal

112: The first support recess

113: Second support recess

12: Clip Firmware

121: Clamping piece

122: Fixed pin

123: Buckle slot

124: handle

13: Steps

131: The first positioning protrusion

132: Second positioning protrusion

133a: the first plug hole

133b: The second plug hole

15: Plate fixing structure

151: Fixed hook

152: Elastic hook piece

153: Tooth step

154: Fixed convex part

16: Connect the strips

161: Bend segment

Claims (12)

A fixture for an electronic device, which includes a positioning piece and a clip; the positioning piece includes a base with a raised step above, and the base and the two ends of the step are formed opposite to each other for a A first support recessed portion spanned by a positioning groove of the first electronic device; and a second support recessed portion spanned by a positioning groove of a second electronic device, the step is adjacent to the first support recessed portion and the first support recessed portion The outer peripheral surfaces of the two supporting concave portions respectively form a corresponding first positioning convex portion and a second positioning convex portion; and the bottom surface of the base further includes a forward or reverse fixed in a plate hole of a plate. A board fixing structure, wherein a first distance from the first supporting recess to the center of the board fixing structure is smaller than a second distance between the second supporting recess and the center of the board fixing structure, so as to correspond to the relationship between the first electronic device and the board fixing structure. The length difference of the second electronic device; and the clip includes a clip, the clip and the step are axially provided with a docking mechanism, wherein the docking mechanism includes a first axially disposed on the step and spaced apart an insertion hole and a second insertion hole, the first insertion hole is adjacent to the first support recess, and the second insertion hole is adjacent to the second support recess; and the clamping piece is axially protruded A fixing pin that can be selectively inserted into the first insertion hole or the second insertion hole; the first support recess and/or the second support recess are closed by the clamping piece to clamp together The positioning groove of the first electronic device or the positioning groove of the second electronic device. The holder for an electronic device as described in claim 1, wherein the fixing pin is opposite to the adjacent peripheral surface of the first insertion hole or the second insertion hole and includes at least one buckle groove and a A buckle structure of the buckle. A fixture for an electronic device, which includes a positioning piece and a clip; the positioning piece includes a base with a raised step above, and the base and the two ends of the step are formed opposite to each other for a A first support recessed portion spanned by a positioning groove of the first electronic device; and a second support recessed portion spanned by a positioning groove of a second electronic device, the step is adjacent to the first support recessed portion and the first support recessed portion The outer peripheral surfaces of the two supporting recesses respectively form a corresponding first positioning protrusion and a second positioning protrusion; and the bottom surface of the base further includes a forward or reverse fixed in a plate hole of a plate. A board fixing structure, wherein a first distance from the first supporting recess to the center of the board fixing structure is smaller than a second distance between the second supporting recess and the center of the board fixing structure, so as to correspond to the relationship between the first electronic device and the board fixing structure. the first The length difference between the two electronic devices; and the clip includes a clip, the clip and the step are axially provided with a docking mechanism, wherein the docking mechanism includes a first plug axially disposed on the step and spaced apart a connecting hole and a second inserting hole, the first inserting hole is adjacent to the first supporting recess, and the second inserting hole is adjacent to the second supporting recess; and the clamping piece is axially protruded and embedded A first fixing pin and a second fixing pin which are inserted into the first insertion hole and the second insertion hole and are correspondingly arranged; the first supporting recess and/or the second supporting part are provided by the clamping piece The concave portion is closed to jointly hold the positioning groove of the first electronic device or the positioning groove of the second electronic device. The holder for an electronic device as described in claim 3, wherein the first fixing pin and the first insertion hole and the second fixing pin and the adjacent peripheral surfaces of the second insertion hole are disposed opposite to each other. There is a buckle structure including at least a buckle groove and a buckle ring. A fixture for an electronic device, which includes a positioning piece and a clip; the positioning piece includes a base with a raised step above, and the base and the two ends of the step are formed opposite to each other for a A first support recessed portion spanned by a positioning groove of the first electronic device; and a second support recessed portion spanned by a positioning groove of a second electronic device, the step is adjacent to the first support recessed portion and the first support recessed portion The outer peripheral surfaces of the two supporting concave portions respectively form a corresponding first positioning convex portion and a second positioning convex portion; and the bottom surface of the base further includes a forward or reverse fixed in a plate hole of a plate. A board fixing structure, wherein a first distance from the first supporting recess to the center of the board fixing structure is smaller than a second distance between the second supporting recess and the center of the board fixing structure, so as to correspond to the relationship between the first electronic device and the board fixing structure. The length difference of the second electronic device; and the clip includes a clip, the clip and the step are axially provided with a docking mechanism, wherein the docking mechanism includes an insertion hole axially disposed on the step; and The clamping piece is axially protruded and inserted into the insertion hole and is correspondingly arranged with a fixing pin; the first supporting recess and/or the second supporting recess are closed by the clamping piece to jointly clamp The positioning groove of the first electronic device or the positioning groove of the second electronic device. The holder for an electronic device as described in claim 5 of the claimed scope, wherein a buckling structure including at least a buckling groove and a buckling ring is oppositely disposed on a peripheral surface adjacent to the insertion hole of the fixing pin. The holder for an electronic device as described in claim 1, 3 or 5, wherein a handle extends axially from the bottom surface of the clip. The holder for an electronic device as described in claim 1, 3 or 5, wherein the positioning member and the clip are connected by a connecting strip, and the two ends of the connecting strip are respectively connected the base and the clip. The holder for an electronic device as described in claim 8, wherein a thinned bending section is arranged in the middle of the connecting strip. The holder for an electronic device as described in claim 1, 3 or 5 of the claimed scope, wherein a mortise is protruded from the bottom surface of the base to be inserted into the board hole. The holder for an electronic device as described in claim 1, 3 or 5, wherein the plate fixing structure comprises an arrow-shaped fixing hook protruding from the bottom surface of the base, and the fixing hook is A pair of elastic hook pieces is extended outward, and the free ends of the pair of elastic hook pieces are oppositely set with a plurality of tooth steps arranged in a step-like manner, so as to be fastened in the plates of different thicknesses or the plate holes of different diameters. The holder for an electronic device as described in claim 11, wherein a fixing protrusion is protruded from a longitudinal surface of the fixing hook, so that the fixing hook and the fixing protrusion can be inserted into the ten inside the hole of the glyph.

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