TW202029589A - Wiring appliance including a housing, a first electronic module and a second electronic module - Google Patents

Abstract

A wiring appliance includes a housing, a first electronic module and a second electronic module. The housing includes a housing base and a housing cover. The housing base includes a housing body, a first lug and a second lug. The housing body has a housing joint edge connected with the housing cover. The corresponding first lug and the second lug extend from the housing body toward the housing cover at intervals to extend from the housing joint edge. The first lug includes a guiding part extending in a first direction. The housing cover defines a socket. The first electronic module includes a first circuit board and an electrical connector provided on the first circuit board. The normal direction of the first circuit board is parallel to the first direction. The first circuit board is supported and limited by the first lug and the second lug. The electrical connector is disposed to correspond to the socket for a mating connector to be connected to the electrical connector through the socket. The second electronic module is electrically connected with the first electronic module and includes a second circuit board. The second circuit board is arranged perpendicular to the first circuit board and is guided and positioned in the housing body by the guiding part during installation.

Description

Wiring appliances

The present invention relates to a wiring appliance, in particular to a wiring appliance for matching power lines.

At present, many portable electronic products are equipped with rechargeable batteries, and the characteristics of information and power can be transmitted through the Universal Serial Bus (USB) communication protocol. Usually, the USB connector is also used for external power supply. Rechargeable battery charge.

There is a USB socket that can be installed on the wall, which can convert AC power to DC power and convert the voltage for plug connection of the USB cable of portable electronic products. For example, Taiwan Patent Publication No. 201826652A (corresponding to Japan) Case JP2018113840A) and No. 201826653A (Japanese counterpart JP2018113239A). There is still room for improvement in miniaturization of such USB sockets.

Therefore, one of the objectives of the present invention is to provide a wiring appliance that can solve at least one of the aforementioned problems.

Therefore, in some embodiments, the wiring appliance of the present invention includes a housing, a first electronic module, and a second electronic module. The shell includes a shell base and a shell cover. The shell cover and the shell seat cover and merge together to form an accommodating space. The shell seat has a base, a first lug and a second lug. The seat body has a joint edge connected with the shell cover. The first lug and the second lug extend from the seat body toward the housing cover to protrude from the seat joint edge at intervals opposite to each other, and the first lug has a guiding portion extending in a first direction. The shell cover has a cover body, and the cover body has an insertion hole penetrating in the first direction to make the accommodating space communicate with the outside. The first electronic module is located in the accommodating space and includes a first circuit board and an electrical connector arranged on the first circuit board. The normal direction of the first circuit board is parallel to the first direction and is supported and limited by the first lug and the second lug. The electrical connector is arranged corresponding to the jack so that the mating connector can be mated with the electrical connector through the jack. The second electronic module is located in the accommodating space and is electrically connected to the first electronic module, and includes a second circuit board. The second circuit board is arranged perpendicular to the first circuit board and is guided and positioned in the seat body by the guiding part during installation.

In some embodiments, the first connecting wall has a limiting groove corresponding to the guiding portion of the first lug, and the limiting groove extends in the first direction to accommodate the second circuit board The side edge.

In some embodiments, the housing base further has a first reinforcing rib connecting the first lug and the base body.

In some embodiments, the first lug and the second lug are located inside the seat joint edge, the first reinforcing rib extends from the seat joint edge and is connected to the outer surface of the first lug, the The housing seat further has a second reinforcing rib extending from the seat joint edge and connected to the outer surface of the second lug, the cover body also has a cover joint edge connected with the seat joint edge, and the cover joint The rim has notches respectively matched with the first reinforcing rib and the second reinforcing rib.

In some embodiments, the first lug and the second lug each have a card slot, and the first circuit board has a main board and two oppositely protruding from both sides of the main board. Bumps, and the two bumps are respectively clamped in the two card slots.

In some embodiments, the cover further has at least one anti-static rib, the at least one anti-static rib extends in the first direction and protrudes from the cover toward the housing base, and the housing base also has at least one anti-static rib. At least one escape groove matched with an anti-static rib is used to accommodate the at least one anti-static rib.

In some embodiments, the cover body further has a first cover side wall, a second cover side wall, two cover connecting walls, and a top wall. The first cover side wall and the second cover side wall are spaced apart and opposed to each other. The cover connecting walls are spaced and opposed to each other and the four are connected to form a continuous surrounding wall. The top wall is connected to the first cover side wall, the second cover side wall and one side of the two cover connecting walls and forms the insertion hole. At least one anti-static rib is formed on the inner surface of the first cover side wall, and the seat body also has a first seat side wall corresponding to the first cover side wall, a second seat side wall corresponding to the second cover side wall, and respectively opposite There should be a first connecting wall and a second connecting wall of the connecting walls of the two covers, the at least one avoiding groove is formed on the side wall of the first seat, the second circuit board is set against the side wall of the first seat, and the first The lug is connected to the first connecting wall, and the second lug is connected to the second connecting wall.

In some embodiments, the base has a limiting groove corresponding to the guiding portion of the first lug, and the limiting groove extends in the first direction to accommodate one side of the second circuit board edge.

In some embodiments, the seat body further has a partition wall that connects the first seat side wall and the second seat side wall and is located between the first seat connecting wall and the second seat connecting wall, and The seat body is separated from a first receiving portion adjacent to the connecting wall of the first seat and a second receiving portion adjacent to the connecting wall of the second seat, and the partition wall is formed on a side facing the connecting wall of the first seat Another limit groove opposite to the limit groove of the first connecting wall, the two limit grooves respectively accommodate opposite sides of the second circuit board, and the second electronic module mainly accommodates In the first storage part.

In some embodiments, it further includes a third electronic module, which is electrically connected to the second electronic module and is mainly accommodated in the second receiving portion, and includes parallel to the first circuit board A third circuit board is provided and supported by the partition wall. The shell cover also has a plurality of first pressing ribs and a plurality of second pressing ribs formed on the first cover side wall and the second cover side wall. A pressing rib is used for pressing against the first circuit board, and the second pressing ribs extend in the first direction to protrude from the cover joint edge for pressing against the third circuit board.

In some embodiments, the first circuit board has a plurality of notches for the second pressing ribs to pass through.

The present invention has at least the following effects: the process of installing the second electronic module can be easier by having the guiding part of the first lug. In addition, the shell cover and the shell seat respectively have matching anti-static ribs and escape grooves on the side adjacent to the second circuit board, which can provide better anti-static shielding to the second circuit board, and when assembling the shell cover and It has foolproof function when the shell is seated.

1 to 3, an embodiment of the wiring appliance of the present invention includes a housing 1, a first electronic module 2, a second electronic module 3, and a third electronic module 4.

Referring to FIGS. 4 and 5, the housing 1 includes a housing base 11 and a housing cover 12. The housing cover 12 and the housing base 11 are combined to form an accommodating space 10.

The housing 11 has a base 13, a first supporting portion 111 and a second supporting portion 112. The seat body 13 has a first seat side wall 131, a second seat side wall 132, a first seat connecting wall 133, and a second seat connecting wall 134. The first seat side wall 131 and the second seat side wall 132 are spaced apart from each other. , The first seat connecting wall 133 and the second seat connecting wall 134 are spaced and opposed to each other and connect the first seat side wall 131 and the second seat side wall 132. The four are connected to form a surrounding wall and jointly form the cover 12 A connecting edge 135 that meets. The first support portion 111 includes a first lug 14 and a second lug 15. The first lug 14 and the second lug 15 are spaced apart from each other and extend from the base 13 toward the cover 12. The seat engaging edge 135 is protruded, and the first lug 14 and the second lug 15 each have a slot 18. Specifically, the first lug 14 is connected to the first connecting wall 133, the second lug 15 is connected to the second connecting wall 134, and the first lug 14 and the second lug 15 are located at the The inner side of the seat engaging edge 135 extends and protrudes from the seat engaging edge 135 in a first direction D. In this embodiment, the shape of the first lug 14 and the second lug 15 is roughly trapezoidal, the place connecting the base 13 is the lower bottom and the place close to the cover 12 is the upper bottom and the lower bottom is larger than the upper bottom. The length is relatively long, and the groove 18 is formed concavely from the surface of the upper bottom. The shape and arrangement position of the first lug 14 and the second lug 15 roughly correspond to each other. The two waist edges of the second lug 15 (respectively close to The side edges of the first seat side wall 131 and the second seat side wall 132) are symmetrical oblique edges, but the first lug 14 has a guiding portion 141 extending in the first direction D, and the guiding portion 141 is formed in The first lug 14 is close to the side edge of the first seat side wall 131, and the side edge (waist edge) of the first lug 14 close to the first seat side wall 131 is vertically connected to the upper bottom, compared with the first seat The corresponding side edges of the two lugs (close to the side edge of the first seat side wall 131) are retracted, and the first lug 14 is close to the side edge (waist edge) of the second seat side wall 132 and the second lug 15 Correspondingly, the side edges are the same hypotenuse.

The housing 11 also has a first reinforcing rib 16 and a second reinforcing rib 17. The first reinforcing rib 16 extends from the seat joint edge 135 and is connected to the outer surface of the first lug 14 to connect the first lug 14 and the seat body 13, thereby strengthening the structure of the first lug 14 strength. Similarly, the second reinforcing rib 17 extends from the seat joint edge 135 and is connected to the outer surface of the second lug 15 to connect the second lug 15 and the seat body 13, thereby strengthening the second lug 15 structural strength. The second support portion 112 is substantially frame-shaped protruding from the inner surfaces of the first seat side wall 131 and the second seat side wall 132 and includes a partition wall 136 that connects the first seat side wall 131 and the second seat side wall 131 The seat side wall 132 is located between the first seat connecting wall 133 and the second seat connecting wall 134, and the seat body 13 is separated from a first receiving portion 137 adjacent to the first seat connecting wall 133 and adjacent The second seat is connected to a second receiving portion 138 of the wall 134. In addition, the housing 11 also has a pair of limiting grooves 139 located in the first receiving portion 137 and respectively formed on the partition wall 136 and the first connecting wall 133, and the pair of limiting grooves 139 are located in the first receiving portion 137. Extending in a direction D, wherein the limiting groove 139 on the first connecting wall 133 corresponds to the guiding portion 141 of the first lug 14, so that a side edge of the first lug 14 and the limiting groove A groove wall surface of the groove 139 extends integrally.

Referring to FIGS. 3 and 4, the housing cover 12 has a cover 121, a plurality of first pressing ribs 122, a plurality of second pressing ribs 123, two anti-static ribs 124, and two buckling pieces 125. The cover 121 has a first cover side wall 126, a second cover side wall 127, two cover connecting walls 128, and a top wall 129. The first cover side wall 126 and the second cover side wall 127 are spaced and opposed to each other. The connecting walls 128 are spaced and opposed to each other and the four are connected to form a continuous surrounding wall and jointly form a cover joint edge 121b. The top wall 129 is connected to the first cover side wall 126, the second cover side wall 127 and the two cover connecting walls One side of 128 is formed with an insertion hole 121a penetrating in the first direction D to allow the accommodating space 10 to communicate with the outside. The first cover side wall 126 corresponds to the first seat side wall 131, the second cover side wall 127 corresponds to the second seat side wall 132, and the two cover connecting walls 128 respectively correspond to the first seat connecting wall 133 and the second seat connecting wall 134. The cover engaging edge 121b has two notch portions 121c respectively mating with the first reinforcing rib 16 and the second reinforcing rib 17, that is, the two notch portions 121c are respectively formed on the two cover connecting walls 128, in the When the shell cover 12 is closed with the shell seat 11 (see FIG. 1), the notch 121c of the shell cover 12 correspondingly accommodates the first reinforcing rib 16 and the second reinforcing rib 17 to form a concave-convex complementary engagement, so that the whole The appearance is more beautiful. The first pressing ribs 122 and the second pressing ribs 123 are formed on the inner surface of the cover 121. In this embodiment, the inner surfaces of the first cover side wall 126 and the second cover side wall 127 are formed two There are two first pressing ribs 122 and two second pressing ribs 123. In a modified embodiment, the inner surfaces of the first cover side wall 126 and the second cover side wall 127 can each form only one first pressing rib 122 and one second pressing rib 122. Two pressing ribs 123. One end of the first pressing ribs 122 is connected to the top wall 129 and extends in the first direction D in a long strip shape. One end of the second pressing ribs 123 is connected to the top wall 129 and is in the first direction. D extends in a long strip shape and protrudes from the cover engaging edge 121 b of the cover body 121 toward the housing base 11. The first pressing ribs 122 are used to interact with the first electronic module 2, and the second pressing ribs 123 are used to interact with the third electronic module 4, which will be described in detail below.

The anti-static ribs 124 are formed on the inner surface of the first cover side wall 126, and one end is connected to the top wall 129 and extends in the first direction D to protrude from the cover joint edge 121b. The side wall 131 of the first seat has two escape grooves 131 a matched with the anti-static ribs 124 to accommodate the anti-static ribs 124 respectively. The anti-static rib 124 and the relief groove 131a are matched and accommodated (see FIG. 6), so that the joint between the first cover side wall 126 and the first seat side wall 131 is not a flat gap, that is, it is not a flat gap. , So that the first cover side wall 126 and the first seat side wall 131 have a better anti-static effect. Moreover, since the anti-static rib 124 and the avoiding groove 131a must be positioned correspondingly to cover the shell cover 12 and the shell base 11, the foolproof function can be achieved, that is, only when the first cover side wall 126 and the first cover The cover 12 and the housing 11 can be closed only when the side wall 131 of the seat corresponds to the position. If the operator wants to cover the cover 12 and the housing 11 with the first cover side wall 126 corresponding to the second seat side wall 132 Cannot be closed. In a modified embodiment, only one anti-static rib 124 can be implemented. The two buckling pieces 125 respectively extend from the first cover side wall 126 and the second cover side wall 127 toward the housing 11 and each have two buckle holes 125a formed. The first seat side wall 131 and the second seat side wall 132 each form two locking blocks 19 respectively fitted with the buckle holes 125a. As shown in FIG. 1, when the cover 12 and the housing base 11 are closed, the clamping block 19 is received in the button hole 125a, so that the housing cover 12 and the housing base 11 are relatively fixed and not separated.

Referring to FIGS. 2, 3, 7 and 8, the first electronic module 2 is located in the accommodating space 10, and includes a first circuit board 21 and an electrical connector 22 provided on the first circuit board 21 . The normal direction of the first circuit board 21 is parallel to the first direction D and is supported by the first supporting portion 111 (the first lug 14 and the second lug 15). Specifically, the first circuit board 21 has a main board portion 211 and two bumps 212 protruding in opposite directions from both sides of the main board portion 211, and the two bumps 212 are respectively clamped on the two cards. The slot 18 allows the first circuit board 21 to be restricted on a plane perpendicular to the first direction D. When the housing cover 12 is closed with the housing base 11, the first pressing rib 122 in the housing cover 12 presses against the surface of the first circuit board 21 facing the housing cover 12, that is, a side of the first circuit board 21 The side is supported and limited by the first support portion 111 and is pressed against by the first pressing ribs 122 on the opposite side of the first support portion 111, and in the first direction D by the first pressing rib 122 and the first support The part 111 is jointly limited. The electrical connector 22 is provided corresponding to the jack 121a so that the mating connector can be mated with the electrical connector 22 through the jack 121a. In this embodiment, the electrical connector 22 is illustrated by taking a connector conforming to the USB specification as an example. In a modified embodiment, other types of connectors may also be used, such as a high-definition multimedia interface (High Definition Multimedia Interface, HDMI) standard connector, Video Graphics Array (VGA) standard connector, Local Area Network (LAN) standard connector, etc.

Referring to FIGS. 3, 4, and 9 to 11, the second electronic module 3 is located in the accommodating space 10 and is electrically connected to the first electronic module 2, and includes a second circuit board 31. The second circuit board 31 is arranged perpendicular to the first circuit board 21 and is guided and positioned in the base 13 by the guiding portion 141 during installation. In this embodiment, the guiding portion 141 is formed by the side edge of the first lug 14 close to the side wall 131 of the first seat, and corresponds to the position of the limiting groove 139 on the connecting wall 133 of the first seat. When the second electronic module 3 is placed in the housing 11, the second circuit board 31 can be inserted into the limiting grooves 139 by the guide portion 141, so that the second circuit board 31 is parallel to the first The edges on both sides of a direction D are respectively accommodated in two limiting grooves 139. The width of the limiting grooves 139 is slightly larger than the thickness of the second circuit board 31, so that the second circuit board 31 is easily placed in the limiting grooves 139. The inner first direction D moves. The second electronic module 3 is mainly accommodated in the first accommodating portion 137, and the second circuit board 31 is arranged leaning against the side wall 131 of the first seat. The avoidance groove 131a is used for better anti-static shielding of the second circuit board 31.

3, 4, 9, 11 and 12, the third electronic module 4 is located in the accommodating space 10 and is electrically connected to the second electronic module 3, and includes the first circuit board 21 in parallel A third circuit board 41 is provided. The third circuit board 41 is supported by the second support portion 112 and is pressed by the second pressing ribs 123 on the opposite side of the second support portion 112. The first circuit board 21 has a plurality of notches 213 for passing the second pressing ribs 123 respectively (see FIG. 7). The second supporting portion 112 and the second pressing ribs 123 upper limit the third circuit board 41 in the first direction D. In this embodiment, the second circuit board 31 partially extends over the partition wall 136 and is located between the third circuit board 41 and the first circuit board 21, and the second circuit board 31 is provided with connecting terminals (not shown) , The terminals are connected and soldered to the first circuit board 21, so that the second circuit board 31 and the first circuit board 21 are electrically connected and relatively fixed.

In this embodiment, the third electronic module 4 further includes two conductive terminals 42 provided on the third circuit board 41 for connecting wires of an external power supply (not shown), and the conductive terminals 42 are connected to the external power supply wires. The connection method of is the same as Taiwan Patent Publication No. 201826652A and No. 201826653A, and will not be detailed here. The third circuit board 41 and the second circuit board 31 are electrically connected by wires, so as to transmit the AC power introduced by the wires of the external power source to the second circuit board 31. The second electronic module 3 is used to convert AC power to DC power and transmit the converted DC power to the first circuit board 21. The second electronic module 3 also includes a plurality of electronic components 32, such as transformers, electrolytic capacitors, resistors, inductors, etc. The first electronic module 2 further includes a plurality of electronic components 23, such as smoothing capacitors, to smooth the direct current from the second circuit board 31 and output it to the electrical connector. The electronic components 32 of the second electronic module 3 are arranged on the same side of the second circuit board 31, and the electronic components 23 and the electrical connector 22 of the first electronic module 2 are arranged on the same side of the first circuit board 21.

The first supporting portion 111 and the first pressing ribs 122 upper-limit the first circuit board 21 in the first direction D. The second supporting portion 112 and the second pressing ribs 123 connect the third circuit The board 41 is at the upper limit in the first direction D. Compared with the aforementioned Taiwan Patent Publication, the supporting member can be omitted, that is, the overall volume can be further reduced, and the wiring device can be more compact.

In this embodiment, when the aforementioned components are to be assembled, the first electronic module 2, the second electronic module 3, and the third electronic module 4 are first electrically connected together. At this time, the first electronic module 2, the second electronic module The relative positions of the module 3 and the third electronic module 4 are placed in the housing 11 together, and finally the housing cover 12 and the housing 11 are combined to complete the assembly. When assembling, it can be guided by the guiding part 141 of the first lug 14, so that the operator can easily install and position the second electronic module 3, and it is also easy to make the first electronic module 2 and the third electronic module 4 are positioned in the housing 11 together.

In summary, with the aforementioned structural design of the housing 1 and the arrangement relationship of the first electronic module 2, the second electronic module 3 and the third electronic module 4, the wiring appliance can be more miniaturized. The guiding part 141 of the first lug 14 can make the process of installing the second electronic module 3 easier. In addition, the housing cover 12 and the housing base 11 respectively have matching anti-static ribs 124 and escape grooves 131a on the side adjacent to the second circuit board 31, which can provide better anti-static shielding to the second circuit board 31. In addition, it has a foolproof function when assembling the cover 12 and the base 11.

However, the above are only examples of the present invention. When the scope of implementation of the present invention cannot be limited by this, all simple equivalent changes and modifications made in accordance with the scope of the patent application of the present invention and the content of the patent specification still belong to This invention patent covers the scope.

1: shell 10: Housing space 11: Shell seat 111: First support 112: second support 12: Shell cover 121: Lid 121a: jack 121b: Cover joint edge 121c: Notch 122: The first pressing rib 123: The second pressing rib 124: Anti-static rib 125: Buckle piece 125a: buttonhole 126: first cover side wall 127: second cover side wall 128: cover connecting wall 129: top wall 13: Seat 131: The first side wall 131a: Avoidance slot 132: The second side wall 133: The first connecting wall 134: The second connecting wall 135: seat joint edge 136: The Wall 137: First Storage Department 138: The second storage section 139: Limit groove 14: The first lug 141: Guiding Department 15: second lug 16: first stiffener 17: second stiffener 18: card slot 19: card block 2: The first electronic module 21: The first circuit board 211: Main Board Department 212: bump 213: Gap 22: electrical connector 23: Electronic components 3: The second electronic module 31: second circuit board 32: electronic components 4: The third electronic module 41: The third circuit board 42: conductive terminal D: First direction

Other features and effects of the present invention will be clearly presented in the embodiments with reference to the drawings, in which: Figure 1 is a perspective view of an embodiment of the wiring appliance of the present invention; Figure 2 is a three-dimensional exploded view of this embodiment; Figure 3 is a three-dimensional exploded view of this embodiment; Figure 4 is a perspective exploded view illustrating the housing of the embodiment; Figure 5 is a perspective view illustrating the housing of the embodiment; Figure 6 is a cross-sectional view illustrating the combination of the anti-static rib and the escape groove of the embodiment; 7 is a cross-sectional view illustrating the functional relationship between the first pressing rib and the first circuit board of the embodiment; 8 is a cross-sectional view illustrating the relationship between the first pressing rib and the first circuit board of the embodiment from another perspective; 9 is a perspective view illustrating the installation relationship between the second circuit board, the third circuit board and the housing base of the embodiment; 10 is a cross-sectional view illustrating the installation relationship between the second circuit board and the guide portion of the housing base of the embodiment; 11 is a cross-sectional view illustrating the functional relationship between the second pressing rib and the third circuit board of the embodiment; and FIG. 12 is a cross-sectional view illustrating the functional relationship between the second pressing rib and the third circuit board of the embodiment from another perspective.

1: shell

10: Housing space

11: Shell seat

111: First support

112: second support

12: Shell cover

121: Lid

121b: Cover joint edge

121c: Notch

122: The first pressing rib

123: The second pressing rib

124: Anti-static rib

125: Buckle piece

125a: buttonhole

126: first cover side wall

127: second cover side wall

128: cover connecting wall

13: Seat

131: The first side wall

131a: Avoidance slot

132: The second side wall

134: The second connecting wall

135: seat joint edge

136: The Wall

137: First Storage Department

138: The second storage section

139: Limit groove

14: The first lug

141: Guiding Department

15: second lug

17: second stiffener

18: card slot

19: card block

D: First direction

Claims (11)

A wiring appliance, including: A housing includes a housing base and a housing cover. The housing cover and the housing base are combined to form an accommodating space. The housing base has a base, a first lug, and a second lug. The body has a seat joint edge connected to the shell cover, the first lug and the second lug extend from the seat body toward the shell cover and protrude from the seat joint edge at intervals opposite to each other, and the first lug Having a guiding portion extending in a first direction, the shell cover has a cover body, and the cover body has a socket penetrating in the first direction so that the accommodating space communicates with the outside; A first electronic module is located in the accommodating space and includes a first circuit board and an electrical connector arranged on the first circuit board. The normal direction of the first circuit board is parallel to the first direction and is divided by The first lug and the second lug jointly support and limit the position, and the electrical connector is arranged corresponding to the socket so that the mating connector is mated with the electrical connector through the socket; and A second electronic module is located in the accommodating space and is electrically connected to the first electronic module, and includes a second circuit board which is arranged perpendicular to the first circuit board and is installed by the The guiding part guides and locates in the seat body. The wiring appliance according to claim 1, wherein the base has a limiting groove corresponding to the guiding portion of the first lug, and the limiting groove extends in the first direction to accommodate the second circuit One side edge of the board. The wiring appliance according to claim 1, wherein the housing base further has a first reinforcing rib connecting the first lug and the base body. The wiring appliance according to claim 3, wherein the first lug and the second lug are located inside the seat joint edge, and the first reinforcement rib extends from the seat joint edge and is connected to the first lug On the outer surface, the housing seat further has a second reinforcing rib extending from the seat joint edge and connected to the outer surface of the second lug, and the cover body further has a cover joint edge connected with the seat joint edge, In addition, the cover joint edge has notches respectively matched with the first reinforcing rib and the second reinforcing rib. The wiring appliance according to claim 1, wherein the first lug and the second lug each have a card slot, and the first circuit board has a main board and protrudes opposite to each other from both sides of the main board. Two protruding blocks are extended, and the two protruding blocks are respectively clamped in the two card slots. The wiring appliance according to claim 1, wherein the housing cover further has at least one anti-static rib, the at least one anti-static rib extends in the first direction and protrudes from the cover toward the housing, the housing also At least one avoiding groove matched with the at least one anti-static rib is provided to accommodate the at least one anti-static rib. The wiring appliance according to claim 6, wherein the cover body further has a first cover side wall, a second cover side wall, two cover connecting walls and a top wall, and the first cover side wall is spaced from the second cover side wall Opposite, the two cover connecting walls are spaced apart from each other and the four are connected to form a continuous surrounding wall. The top wall is connected to the first cover side wall, the second cover side wall, and one side of the two cover connecting walls and forms the The at least one anti-static rib is formed on the inner surface of the side wall of the first cover, and the seat body further has a first seat side wall corresponding to the first cover side wall and a second seat side wall corresponding to the second cover side wall , And a first connecting wall and a second connecting wall respectively corresponding to the connecting walls of the two covers, the at least one avoiding groove is formed on the side wall of the first seat, and the second circuit board is arranged leaning against the side wall of the first seat , The first lug is connected to the first connecting wall, and the second lug is connected to the second connecting wall. The wiring appliance according to claim 7, wherein the first connecting wall has a limiting groove corresponding to the guiding portion of the first lug, and the limiting groove extends in the first direction to accommodate the One side edge of the second circuit board. The wiring appliance according to claim 8, wherein the base body further has a partition wall connecting the side wall of the first base and the side wall of the second base and located between the first base connecting wall and the second base connecting wall , And the seat body is separated from a first receiving portion adjacent to the connecting wall of the first seat and a second receiving portion adjacent to the connecting wall of the second seat, the partition wall facing the first connecting wall One side of the first base is formed with another limiting groove opposite to the limiting groove of the first connecting wall, and the two limiting grooves respectively accommodate opposite sides of the second circuit board, and the second electronic mold The group is mainly accommodated in the first receiving part. The wiring appliance according to claim 9, further comprising a third electronic module, the third electronic module is electrically connected to the second electronic module and is mainly accommodated in the second receiving part, and includes parallel to the first A third circuit board on which the circuit board is arranged and supported by the partition wall, the shell cover further has a plurality of first pressing ribs and a plurality of second pressing ribs formed on the side wall of the first cover and the side wall of the second cover, the The first pressing ribs are used to press against the first circuit board, and the second pressing ribs extend in the first direction to protrude from the cover joint edge to press against the third circuit board. The wiring appliance according to claim 10, wherein the first circuit board has a plurality of notches for passing the second pressing ribs respectively.

Images