TWI758118B - connector assembly - Google Patents

Abstract

A connector assembly includes a cover and a light guide. The cover body has a top wall, a side wall, a bottom wall, a front end socket, and a light guide member mounting structure arranged on the outer side of the side wall. The upper matching lock part on the upper part. The light guide has a lower locking portion located below and correspondingly assembled to the lower matching locking portion, and an upper locking portion located above and correspondingly assembled to the upper matching locking portion . Since the light guide mounting structure for assembling the light guide is constructed on the outer side of the side wall of the cover body, the side wall of the cover body does not need to be constructed with holes or holes, thereby helping to maintain electromagnetic shielding effect.

Description

connector assembly

The present invention relates to a connector assembly, in particular to a connector assembly with a light guide.

US Patent No. US6,264,499 discloses a light guide assembly, the light guide assembly is arranged in the light guide installation area of the front section of the outer wall surface of the side wall, and a light guide installation area is provided between the light guide installation area and the light guide assembly. There is a mounting member for mounting the light guide assembly on the light guide mounting area. The disclosed mounting member includes a combination structure of a protrusion and a hole, and the protrusion and the hole are assembled by tight fitting or using an adhesive, but this assembly method will cause inconvenience and difficulty in assembly or disassembly. , it may even cause the light guide assembly to be unable to be disassembled. In addition, a hole for installing the light guide assembly needs to be opened on the side wall, which will reduce the strength of the guide frame and also reduce the electromagnetic shielding effect of the guide frame. Furthermore, in an application where a plurality of guide frames are arranged side by side, the light guide assembly assembled from the side cannot be disassembled.

Accordingly, it is an object of the present invention to provide a connector assembly that improves at least one of the disadvantages of the prior art.

Therefore, in some embodiments, the connector assembly of the present invention includes a cover and a light guide. The cover body has a top wall, a side wall, a bottom wall, and a light guide member mounting structure not located on the side wall but on the outer side of the side wall, the light guide member mounting structure having a lower matching locking portion located below, and The upper mating lock part located above. The light guide has a lower locking portion located below and correspondingly assembled to the lower matching locking portion, and an upper locking portion located above and correspondingly assembled to the upper matching locking portion .

In some embodiments, during the assembly process of the cover body and the light guide member, the lower locking portion of the light guide member is aligned with the lower matching locking portion from top to bottom, And the lower matching lock portion supports the light guide member. At this time, the upper lock portion and the upper matching lock portion of the light guide member are staggered back and forth from each other, and the light guide member faces backward through the light guide member. move to make the lower locking portion correspondingly assembled to the lower matching locking portion. At this time, the upper locking portion and the upper matching locking portion of the light guide are aligned with each other, and all the The upper locking portion can be assembled to the upper matching locking portion correspondingly.

In some embodiments, the bottom wall of the cover body is assembled on the side wall, the bottom wall is integrally formed with a side plate located on the outer side of the side wall of the cover body, and the light guide member mounting structure It is integrally constructed on the side plate and is located outside the side wall of the housing.

In some embodiments, the lower matching locking portion has a lower supporting plate integrally extending laterally from the side plate of the bottom wall and used for supporting on the lower supporting surface of the light guide member. The locking portion has an upper support plate integrally extending upward from the side plate of the bottom wall.

In some embodiments, the lower matching lock portion further has a lower button hole formed on the lower support plate, and the upper matching lock portion further has an upper button hole formed on the upper support plate, so The lower locking portion has a lower locking block integrally extending from the lower supporting surface on the lower side of the light guide and used for being fastened to the lower locking hole, and the lower supporting surface is supported by the lower supporting plate The upper locking portion has an upper locking block integrally extending from the upper inner side surface of the light guide member and used for being fastened to the upper locking hole.

In some embodiments, the lower buckle block is configured as an L-shaped buckle block extending downward and rearward and used to be fastened at the rear edge of the lower button hole, and the upper buckle block is configured to face inward An extended protruding block, the upper buckling block has a buckling groove that opens upward and is used for buckling the upper edge of the upper buckling hole.

In some embodiments, the light guide member has an L-shaped light guide tube, and the light guide tube has a light entrance end facing downward and a light exit end facing forward.

In some embodiments, the light guide member has at least two light guide pipes that are side by side up and down and integrally connected to each other, and the lower locking portion and the upper locking portion are integrally formed on the light guide. on the piece.

In the connector assembly of the present invention, the light guide member mounting structure for assembling the light guide member is configured on the outer side of the side wall of the cover body, so the side wall of the cover body does not need to be formed with holes or holes, thereby Helps maintain electromagnetic shielding. Further, the bottom wall may be disposed on the side wall in an assembled manner, and the light guide mounting structure may be, for example, configured on the side plate formed on the bottom wall. In addition, the light guide member of the connector assembly of the present invention moves toward the rear and is buckled and assembled, so that the assembly structure is simple and easy to assemble and disassemble. At the same time, the light guide member is supported by the lower matching locking portion, The light guide member can be more stable. Moreover, in the application where multiple covers are arranged side by side in the lateral direction, the light guide member of the present design can be easily disassembled and replaced along the vertical direction.

Referring to FIG. 1 and FIG. 2 , an embodiment of the connector assembly 100 of the present invention is suitable for being disposed on a circuit board (not shown) and suitable for being plugged into a pluggable module 200 . The pluggable module 200 includes a casing 201, a plug-in board 202, and a cable 203. The casing 201 includes a plug-in portion 201a, and the plug-in board 202 is disposed at the end of the plug-in part 201a , and the plug board 202 has a plurality of contact fingers 202 a , the cable 203 is provided in the housing 201 and is mechanically and electrically connected to the plug board 202 . The connector assembly 100 includes a socket connector 1 , a guide shield 2 , a heat sink 3 , an elastic fastener 4 , and a light guide 5 .

The socket connector 1 (see FIG. 1 ) is mechanically and electrically disposed on the circuit board. The socket connector 1 has an insulating base 11 and a plurality of terminals 12 . The base 11 has a socket 111 . , the terminals 12 are arranged in the socket 111 and their tails (not shown) are electrically and mechanically connected to the circuit board.

For example, the guide shield 2 is made of metal and covers the socket connector 1 . The guide shield 2 can be formed by punching and bending a metal plate through a die. In this embodiment, the guide shield 2 has only one cover 21 , but in other embodiments, the guide 2 may also have more than two covers 21 . In this case, the cover 21 may be arranged side by side, for example. It should be noted that the number of the socket connector 1 together with the heat sink 3 , the elastic fastener 4 and the light guide 5 can be adjusted according to the number of the cover bodies 21 of the guide shield 2 The structure can be adjusted and can be stacked or combined, which is not limited by this embodiment.

The cover body 21 extends along a front-rear direction D1 (the direction indicated by the arrow is the front, and the reverse direction is the rear) and has a top wall 211 and the top wall 211 along an up-down direction D2 (the direction indicated by the arrow is up and the reverse direction is the opposite direction). A bottom wall 212 opposite to each other at intervals along a left-right direction D3 (the direction indicated by the arrow is right, the reverse direction is left) is opposite to each other at intervals and is connected to the two sides of the top wall 211 and the bottom wall 212 respectively. a side wall 213, a rear wall 214 located at the rear end and connected to the top wall 211 and the rear edge of the side walls 213, and extending downward from the side walls 213 and the rear wall 214 and suitable for being fixed on the circuit board and/or a plurality of pins 215 connected to the ground trace. In addition, the cover body 21 also has an accommodating space 216 which is defined by the top wall 211 , the bottom wall 212 , the two side walls 213 and the rear wall 214 and is located inside, and is located at the front end and communicated with the accommodating space. 216 and a front-end socket 216a for inserting the pluggable module 200, an upper opening window 216b formed on the top wall 211 and extending backward from the front section of the top wall 211 and communicating with the accommodating space 216, and a bottom opening 216c located behind the bottom wall 212 and communicating with the accommodating space 216 .

In this embodiment, the top wall 211 , the side walls 213 and the rear wall 214 of the cover body 21 are integrally constructed, and the bottom wall 212 of the guide shield 2 is assembled to the two side walls 213 . A dovetail recess 213a is formed on the bottom edge of each side wall 213 near the front end, and each side wall 213 is formed with two buckle blocks 213b facing outward. The bottom wall 212 is integrally formed with a dovetail corresponding to the two side walls 213 facing upward. The two dovetail protrusions 212a of the concave portion 213a, and the two side plates 212b assembled on the outer sides of the two side walls 213 correspondingly, each side plate 212b is formed with two button holes 212c that are buckled with the corresponding buckle blocks 213b of the side walls 213, thereby The bottom wall 212 can be assembled and combined with the two side walls 213 .

In detail, the socket connector 1 is covered by the cover body 21 of the guiding shield 2 through the bottom opening 216c, so that the socket connector 1 is arranged in the rear section of the accommodating space 216, but not This is limited. After the pluggable module 200 enters the housing 21 of the guide shield 2 from the front socket 216a, the plug board 202 at the end of the plug portion 201a of the pluggable module 200 can be inserted into the socket connector 1, so that the contact fingers 202a of the plug board 202 contact the terminals 12 in the socket 111 of the socket connector 1, so that the pluggable module 200 and the connector assembly The receptacle connectors 1 of 100 are butted against each other. In addition, the front section of the cover body 21 of the guide shield cover 2 can be provided with a mounting hole in a casing (not shown) adjacent to the front end socket 216a. The guide shield cover 2 also has a mounting hole provided on the cover body 21 A plurality of grounding members 22 of the front socket 216a, the grounding members 22 have a plurality of elastic fingers 221 extending backward from the front socket 216a and distributed on the outer side of the cover body 21 and the inner side of the cover body 21, the elastic The fingers 221 located on the outer side of the cover body 21 are used for contacting with the peripheral edge of the casing at the mounting hole, and the elastic fingers 221 located on the inner side of the cover body 21 are used for contacting the pluggable module 200 contacts.

The heat sink 3 is disposed at the upper opening window 216b of the top wall 211 of the cover body 21 , the heat sink 3 has a base plate 31 disposed on the top wall 211 , and is fastened side by side along the left-right direction D3 and A plurality of heat dissipation fins 32 are provided on the top surface of the substrate 31 . The substrate 31 has a thermal coupling portion 311 protruding downward from the bottom surface and extending into the accommodating space 216 from the upper opening window 216b. The radiator 3 is assembled on the top wall 211 of the cover body 21 through the elastic fastener 4 so as to be elastically movable relative to the accommodating space 216 . The elastic fastener 4 has two elastic pressing portions 41 extending along the left-right direction D3 and pressing against the base plate 31 of the heat sink 3 from above, and extending downward from both ends of the elastic pressing portions 41 and respectively The two assembling portions 42 are fastened to the two side walls 213 of the cover body 21. In detail, each side wall 213 located on the two sides is formed with two fastening protrusions 213c, and each assembling portion 42 is formed with a corresponding The buckling protrusions 213c of the side wall 213 correspond to the two buckling holes 421 for buckling. In addition, the heat sink 3 also has two avoidance grooves 33 formed on the heat dissipation fins 32 and used to avoid the two elastic pressing portions 41 . When the pluggable module 200 enters the cover body 21 of the guide shield 2 and is mated with the receptacle connector 1 of the connector assembly 100 , the plug-in portion of the housing 201 of the pluggable module 200 The top surface of 201 a will be in contact with the thermal coupling portion 311 of the heat sink 3 to dissipate heat through the heat sink 3 .

Referring to FIGS. 1 and 3 to 5 , the cover body 21 further has a light guide mounting structure 23 that is not located on the side wall 213 but is located outside the side wall 213 , and the light guide mounting structure 23 extends from the bottom wall 212 One of the side plates 212b is integrally formed. The light guide mounting structure 23 has a lower matching locking portion 231 located at the lower side and an upper matching locking portion 232 located at the upper side. The light guide 5 has a plurality of L-shaped light guide tubes 51 , a lower locking portion 52 located below and correspondingly assembled to the lower matching locking portion 231 , and an upper portion and correspondingly assembled to the lower locking portion 231 . An upper locking portion 53 of the locking portion 232 is matched with the upper locking portion 53 . The light guide tubes 51 are arranged side by side along the up-down direction D2 and are integrally connected to each other by a plurality of connecting columns 54 . Each light pipe 51 has a light entrance end 511 facing downward and facing the light emitting element on the circuit board, and a light exit end 512 facing forward. The lower locking portion 52 and the upper locking portion 53 are integrally formed on the light guide member 5 .

The lower engaging locking portion 231 has two lower supporting plates 231a integrally extending laterally from the side plate 212b of the bottom wall 212 and used for supporting the lower supporting surface of the light guide member 5, and formed on the two lower supporting plates 231a respectively. Two lower button holes 231b of the support plate 231a. The upper engaging locking portion 232 has an upper supporting plate 232a integrally extending upward from the side plate 212b of the bottom wall 212, and an upper buckle hole 232b formed in the upper supporting plate 232a. Since the light guide mounting structure 23 for assembling the light guide 5 is formed on the side plate 212b extending outward from the bottom wall 212 located on the outer side of the side wall 213 of the cover body 21 , the cover body 21 has a Side walls 213 need not be configured with holes or holes, thereby helping to maintain electromagnetic shielding. In addition, it should be noted that the number of the lower support plate 231a, the lower button hole 231b, the upper support plate 232a and the upper button hole 232b can be adjusted according to requirements, for example, the two lower support plates 231a in this embodiment can also be Connect as one.

The lower locking portion 52 has two lower locking blocks 521 integrally extending from the lower supporting surface of the lower side of the light guide member 5 and used to be fastened to the two lower locking holes 231b, the lower supporting surface is supported by the lower Supported by the board 231a, the front lower buckle block 521 is integrally constructed from the lower side of the forward extension of the lowermost light pipe 51, and the lower side of the forward extension of the light pipe 51 is used as the lower support surface , the rear lower buckle block 521 is integrally constructed on the lower side of a rear pillar 55 extending backward from the downward extension of the uppermost light pipe 51, and the lower side of the rear pillar 55 is used as a lower support surface; the The upper locking portion 53 has an upper locking block 531 integrally extending from the upper inner side surface of the light guide member 5 and used for locking the upper locking hole 232b. The two lower locking blocks 521 are configured as L-shaped locking blocks extending downward and rearward and used to be fastened to the rear edges of the two lower locking holes 231 b of the lower matching locking portion 231 . The upper locking block 531 is configured as a protruding block extending inward relative to the light guide member 5 , and the upper locking block 531 has a locking groove that opens upward and is used to be fastened to the upper edge of the upper locking hole 232 b 531a. Specifically, the two lower locking holes 231b of the lower matching locking portion 231 are larger than the two lower locking blocks 521 for the two lower locking blocks 521 to pass through. The upper buckle hole 232b of the upper matching locking portion 232 is larger than the upper buckle block 531 for the upper buckle block 531 to pass through.

Referring to FIGS. 3 to 7 , during the assembly process of the cover body 21 and the light guide 5 , the two lower locking blocks 521 of the lower locking portion 52 of the light guide 5 are engaged with the lower portion from top to bottom The two lower button holes 231b of the locking portion 231 are aligned and pass through the two lower button holes 231b of the lower matching locking portion 231 , and the lower supporting plate 231a of the lower matching locking portion 231 supports the light guide member 5 At this time, the upper locking block 531 of the upper locking portion 53 of the light guide 5 and the upper locking hole 232b of the upper matching locking portion 232 are staggered from each other forward and backward. By moving the light guide member 5 backwards, the two lower locking blocks 521 of the lower locking portion 52 are correspondingly buckled and assembled on the rear edges of the two lower locking holes 231b ( 6), at this time, the upper locking block 531 of the upper locking portion 53 of the light guide 5 and the upper locking hole 232b of the upper matching locking portion 232 are aligned with each other, and then apply downward force to the The top of the light guide 5 is elastically deformed downward, and then the upper locking block 531 is aligned and inserted into the upper locking hole 232b inwardly, so that the upper locking part 53 The buckle groove 531a of the upper buckle block 531 and the upper edge of the upper buckle hole 232b of the upper matching locking portion 232 are assembled and buckled with each other correspondingly (see FIG. 7 ), and the assembly process of the light guide member 5 is completed. If the light guide member 5 needs to be disassembled, the light guide member 5 is firstly forced downwards and the top of the light guide member 5 is elastically deformed downward, so that the upper locking block of the upper locking portion 53 can be elastically deformed downward. The buckle groove 531a of the 531 is released from the upper edge of the upper buckle hole 232b of the upper matching locking part 232, and the upper buckle block 531 is moved outward from the upper buckle hole 232b, and then the light guide member 5 faces the upper buckle hole 232b. Move forward to make the two lower locking blocks 521 of the lower locking portion 52 unfasten from the rear edges of the two lower locking holes 231b of the lower matching locking portion 231 , and finally move the light guide 5 upwards So that the two lower locking blocks 521 of the lower locking portion 52 are disengaged from the two lower locking holes 231 b of the lower matching locking portion 231 , the disassembly process is completed.

The light guide member 5 of the connector assembly 100 of the present invention moves rearward and is buckled and assembled, so that the assembly structure is simple and easy to assemble and disassemble. At the same time, after the assembly is completed, the light guide member 5 is locked by the lower matching locking portion 231. Therefore, the light guide member 5 can be more stable. In addition, since the amount of movement of the light guide member 5 in the left-right direction D3 is small during the assembly process, in the application of other embodiments in which a plurality of cover bodies 21 are arranged side by side in the left-right direction D3, the design of the The light guide member 5 can be easily disassembled and replaced along the up-down direction D2.

Referring to FIGS. 1 and 2 , in addition, in this embodiment, the top wall 211 of the cover body 21 has a blocking piece 211 a formed at the rear edge of the upper opening window 216 b and bent downwardly. The plug-in portion 201a of the pluggable module 200 also has a blocking surface 201b corresponding to the blocking piece 211a. When the pluggable module 200 enters the housing 21 and is butted with the receptacle connector 1 of the connector assembly 100, the blocking piece 211a stops the blocking surface 201b, thereby allowing the pluggable module 200 and the connector assembly 100 are positioned relative to each other. Furthermore, each side wall 213 of the cover body 21 further has a locking piece 213d extending inwardly, and the inserting portion 201a also has a locking piece 213d formed on both sides corresponding to the locking pieces 213d of the two side walls 213 respectively. The two locking recesses 201c, when the pluggable module 200 and the connector assembly 100 are connected to each other, the two locking pieces 213d are snapped into the two locking recesses 201c, so that the pluggable module 200 and the connector assembly 100 are locked to each other.

To sum up, in the connector assembly 100 of the present invention, the light guide member mounting structure 23 for assembling the light guide member 5 is constructed outside the side wall 213 of the cover body 21 , so the side wall 213 of the cover body 21 does not need to be Holes or holes are constructed to help maintain electromagnetic shielding. Further, the bottom wall 212 may be assembled on the two side walls 213 , and the light guide mounting structure 23 may be, for example, configured on the side plate 212 b formed on the bottom wall 212 . In addition, the light guide member 5 of the connector assembly 100 of the present invention moves toward the rear and is buckled and assembled, so that the assembly structure is simple and easy to assemble and disassemble, and the light guide member 5 is supported by the lower matching locking portion 231 at the same time. , so that the light guide 5 can be more stable. Moreover, in the application in which a plurality of cover bodies 21 are arranged side by side in the lateral direction, the light guide member 5 of the present design can be easily disassembled and replaced along the up-down direction D2.

However, the above are only examples of the present invention, and should not limit the scope of the present invention. Any simple equivalent changes and modifications made according to the scope of the application for patent of the present invention and the content of the patent specification are still within the scope of the present invention. within the scope of the invention patent.

100: Connector Assembly 1: socket connector 11: seat body 111: plug-in slot 12: Terminals 2: Guide shield 21: cover body 211: Top Wall 211a: Baffle 212: Bottom wall 212a: Dovetail convex part 212b: Side panels 212c: button hole 213: Sidewall 213a: Dovetail recess 213b: Buckle block 213c: Buckle bump 213d: Locking piece 214: Back Wall 215: pin 216: accommodating space 216a: Front socket 216b: Upper window 216c: Bottom opening 22: Grounding 221: Elastic Fingers 23: Light guide installation structure 231: lower matching lock part 231a: Lower support plate 231b: Bottom button hole 232: upper matching lock part 232a: Upper support plate 232b: button hole 3: Radiator 31: Substrate 311: Thermal Coupling Department 32: cooling fins 33: Avoid grooves 4: Elastic buckle 41: Elastic pressing part 42: Assembly Department 421: Snap hole 5: Light guide 51: light guide 511: Lighting end 512: light output end 52: Lower locking part 521: Lower buckle block 53: Upper locking part 531: Buckle block 531a: Buckle slot 54: connecting column 55: Rear pillar 200: Pluggable modules 201: Shell 201a: Connector 201b: blocking surface 201c: Lock Recess 202: Plugboard 202a: Contact fingers 203: Cable D1: Front and rear direction D2: up and down direction D3: left and right direction

Other features and effects of the present invention will be clearly presented in the embodiments with reference to the drawings, wherein: 1 is an exploded perspective view of an embodiment of the connector assembly and a pluggable module of the present invention; Fig. 2 is a perspective exploded view of this embodiment; 3 is a perspective view of the bottom wall of the cover body and the light guide member of the embodiment; Fig. 4 is a perspective view of the embodiment in Fig. 3 viewed from another perspective; 5 is an exploded perspective view of the bottom wall and the light guide member of the cover body of the embodiment; 6 is a cross-sectional view of the embodiment, in which the lower locking portion of the cover body and the lower locking portion of the light guide member of the embodiment are fastened to each other; FIG. 7 is a cross-sectional view of the embodiment, in which the upper mating locking portion of the cover body and the upper locking portion of the light guide member of the embodiment are fastened to each other.

100: Connector Assembly

2: Guide shield

21: cover body

211: Top Wall

211a: Baffle

212: Bottom wall

212a: Dovetail convex part

212b: Side panels

212c: button hole

213: Sidewall

213a: Dovetail recess

213b: Buckle block

213c: Buckle bump

213d: Locking piece

214: Back Wall

215: pin

216: accommodating space

216a: Front socket

216b: Upper window

22: Grounding

221: Elastic Fingers

23: Light guide installation structure

231: lower matching lock part

231a: Lower support plate

231b: Bottom button hole

232: upper matching lock part

232a: Upper support plate

232b: button hole

3: Radiator

31: Substrate

311: Thermal Coupling Department

32: cooling fins

33: Avoid grooves

4: Elastic buckle

41: Elastic pressing part

42: Assembly Department

421: Snap hole

5: Light guide

51: light guide

511: Lighting end

512: light output end

52: Lower locking part

521: Lower buckle block

53: Upper locking part

531: Buckle block

531a: Buckle slot

54: connecting column

55: Rear pillar

D1: Front and rear direction

D2: up and down direction

D3: left and right direction

Claims (8)

A connector assembly comprising: The cover body has a top wall, a side wall, a bottom wall, and a light guide member mounting structure that is not located on the side wall and is located outside the side wall, the light guide member mounting structure has a lower matching lock portion located below, and is located at the the upper mating latch portion; and The light guide has a lower locking portion located below and correspondingly assembled to the lower matching locking portion, and an upper locking portion located above and correspondingly assembled to the upper matching locking portion. The connector assembly according to claim 1, wherein, during the assembly process of the cover body and the light guide member, the lower locking portion of the light guide member is matched with the lower portion from top to bottom The locking portion is aligned, and the lower matching locking portion supports the light guide. At this time, the upper locking portion and the upper matching locking portion of the light guide are staggered back and forth from each other, and the The light guide member is moved backwards, so that the lower locking portion is correspondingly assembled to the lower matching locking portion. At this time, the upper locking portion and the upper matching locking portion of the light guide member are are aligned with each other, and the upper locking parts can be assembled to the upper matching locking parts correspondingly. The connector assembly according to any one of claim 1 to claim 2, wherein the bottom wall of the cover body is assembled on the side wall, and the bottom wall is integrally formed with a bottom wall located in the cover A side plate on the outer side of the side wall of the cover body, the light guide mounting structure is integrally constructed on the side plate and located on the outer side of the side wall of the cover body. The connector assembly of claim 3, wherein the lower mating locking portion has a lower support integrally extending laterally from the side plate of the bottom wall and used to support the lower support surface of the light guide member a plate, the upper mating locking part has an upper supporting plate integrally extending upward from the side plate of the bottom wall. The connector assembly according to claim 4, wherein the lower mating lock portion further has a lower button hole formed on the lower support plate, and the upper mating lock portion further has a lower lock hole formed on the upper support plate The upper button hole, the lower lock portion has a lower button block integrally extending from the lower support surface located on the lower side of the light guide and used to buckle the lower button hole, the lower support The surface is supported by the lower support plate, and the upper locking portion has an upper locking block integrally extending from the upper inner side surface of the light guide member and used for being fastened to the upper locking hole. The connector assembly of claim 5, wherein the lower buckling block is configured as an L-shaped buckling block extending downward and rearward and used to be buckled at the rear edge of the lower button hole, the upper The buckle block is configured as an inwardly extending protruding block, and the upper buckle block has a buckle groove that opens upward and is used for buckled with the upper edge of the upper buckle hole. The connector assembly of claim 6, wherein the light guide member has an L-shaped light guide tube, the light guide tube has a light entrance end facing downward, and a light exit end facing forward. The connector assembly according to claim 7, wherein the light guide has at least two light guide tubes that are side by side and are integrally connected to each other, and the lower locking portion is integral with the upper locking portion constructed on the light guide.

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