TW202236758A - Connector assembly capable of conveniently keeping the electromagnetic shielding effect by arranging a light guide member mounting structure on the outer side of the side wall of the cover body - Google Patents

Abstract

A connector assembly includes a cover body and a light guide member. 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 light guide member mounting structure has a lower matching locking portion disposed below it and an upper matching locking portion disposed above it. The light guide member has a lower locking portion disposed below it and correspondingly assembled to the lower matching locking portion, and an upper locking portion disposed above it and correspondingly assembled to the upper matching locking portion. Since the light guide member mounting structure for assembling the light guide member is arranged on the outer side of the side wall of the cover body, it is not necessary to arrange holes or pores on the side wall of the cover body, thereby contributing to keep the electromagnetic shielding effect.

Description

connector assembly

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

U.S. 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 assembly 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 mounting member disclosed therein includes a combined structure of a protrusion and a hole, and the protrusion and the hole are assembled by tight fit or adhesive, but this assembly method will cause inconvenience and difficulty in assembly or disassembly , and 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 multiple guide frames are arranged side by side, the light guide assembly assembled from the side cannot be disassembled.

Therefore, it is an object of the present invention to provide a connector assembly that can improve 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 installation structure not on the side wall but outside the side wall, the light guide installation structure has a lower matching locking part located below, and Upper fit locker located above. The light guide has a lower lock part located below and used to be correspondingly assembled to the lower matching lock part, and an upper lock part located above and used to be correspondingly assembled to the upper matching lock part .

In some implementation aspects, during the assembly process of the cover and the light guide, the lower locking part of the light guide is aligned with the lower matching locking part from top to bottom, And the lower matching lock part supports the light guide part, at this time, the upper lock part and the upper matching lock part of the light guide part are staggered back and forth from each other, and the light guide part faces backward move, so that the lower locking part is correspondingly assembled to the lower matching locking part, at this time, the upper locking part and the upper matching locking part of the light guide are aligned with each other, and the The upper locking portion can be correspondingly assembled to the upper mating locking portion.

In some implementation aspects, the bottom wall of the cover is assembled on the side wall, the bottom wall is integrally formed with a side plate located on the outside of the side wall of the cover, and the light guide installation structure It is integrally constructed on the side plate and located on the outside of the side wall of the cover body.

In some implementation aspects, the lower matching locking part has a lower supporting plate integrally extending laterally from the side plate of the bottom wall and used to support the lower supporting surface of the light guide, and the upper matching The locking part has an upper support plate integrally extending upward from the side plate of the bottom wall.

In some implementation aspects, the lower matching lock part also has a lower button hole formed on the lower support plate, and the upper matching lock part also has an upper button hole formed on the upper support plate, so The lower locking part has a lower buckle block extending integrally from the lower support surface on the lower side of the light guide and used for buckling in the lower button hole, the lower support surface is supported by the lower support plate Supported, the upper locking portion has an upper locking block integrally extending from the upper inner surface of the light guide member and used for locking to the upper locking hole.

In some implementations, the lower buckle block is configured as an L-shaped buckle block that extends downward and rearward and is used to fasten to the rear edge of the lower button hole, and the upper buckle block is configured to face inward An extended protrusion, the upper buckle block has a buckle groove opening upward and used for buckling on the upper edge of the upper buckle hole.

In some implementation aspects, the light guide member has an L-shaped light guide tube, and the light guide tube has a downward-facing light-incoming end and a forward-facing light-outgoing end.

In some implementation aspects, the light guide has at least two light guide pipes that are arranged side by side and integrally connected to each other, and the lower locking part and the upper locking part are integrally configured on the light guiding part. on file.

The installation structure of the light guide for assembling the light guide in the connector assembly of the present invention is constructed on the outside of the side wall of the cover, so the side wall of the cover does not need to be constructed with holes or holes, thereby Helps maintain electromagnetic shielding. Further, the bottom wall may be assembled on the side wall, and the light guide installation structure may be configured on the side plate formed on the bottom wall, for example. In addition, the light guide member of the connector assembly of the present invention moves backward and is fastened 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 part, The light guide can be more stable. Moreover, in the application where a plurality of covers are arranged side by side in the lateral direction, the light guide of this design can be easily disassembled and replaced in 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 plugging with a pluggable module 200 . The pluggable module 200 includes a housing 201, a plug board 202, and a cable 203. The housing 201 includes a plug-in portion 201a, and the plug-in board 202 is arranged at the end of the plug-in portion 201a. , and the socket board 202 has a plurality of contact fingers 202a, the cable 203 is disposed on the housing 201 and is mechanically and electrically connected to the socket board 202 . The connector assembly 100 includes a receptacle connector 1 , a guide shield 2 , a heat sink 3 , an elastic buckle 4 , and a light guide 5 .

The socket connector 1 (see FIG. 1 ) is mechanically and electrically arranged 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 disposed in the insertion slot 111 and their tails (not shown) are electrically and mechanically connected to the circuit board.

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

The cover body 21 extends along a front-to-back direction D1 (the direction indicated by the arrow is the front, and the reverse direction is the rear) and has a top wall 211. A bottom wall 212 spaced opposite to each other along a left-right direction D3 (the direction indicated by the arrow is right, and the opposite direction is left) is spaced apart from each other and is connected to 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 edges 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 a ground trace. In addition, the cover body 21 also has an accommodating space 216 defined by the top wall 211, the bottom wall 212, the side walls 213 and the rear wall 214 and located inside, located at the front end and communicating with the accommodating space. 216 and a front socket 216a for the pluggable module 200 to be inserted into, an upper 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 wall 213 and the rear wall 214 of the cover body 21 are integrally formed, and the bottom wall 212 of the guiding shield 2 is assembled on the two side walls 213 . The bottom edge near the front end of each side wall 213 is formed with a dovetail recess 213a, and each side wall 213 is formed with two buckle blocks 213b outwards, and the bottom wall 212 is integrally formed upwards with a dovetail corresponding to the two side walls 213 The two dovetail protrusions 212a of the concave portion 213a, and the two side plates 212b correspondingly assembled on the outside of the two side walls 213, each side plate 212b is formed with two buckle holes 212c fastened with the buckle block 213b of the corresponding side wall 213, thereby The bottom wall 212 can be combined with the two side walls 213 .

In detail, the receptacle connector 1 is covered with the cover body 21 of the guide shield 2 through the bottom opening 216c, so that the receptacle connector 1 is arranged in the rear section of the accommodating space 216, but not with This is the limit. After the pluggable module 200 enters the cover body 21 of the guide shield 2 from the front socket 216a, the plug board 202 at the end of the insertion part 201a of the pluggable module 200 can be inserted into the socket connector. 1, so that the contact fingers 202a of the socket 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 with each other. In addition, the front section of the cover body 21 of the guide shield 2 can be set in a mounting hole of a casing (not shown) adjacent to the front end socket 216a, and the guide shield 2 also has a A plurality of grounding members 22 of the front end socket 216a, the grounding member 22 has a plurality of elastic fingers 221 extending backward from the front end socket 216a and distributed on the outside of the cover 21 and the inside of the cover 21. Among the fingers 221, those located outside the cover 21 are used for contacting with the peripheral part of the casing located at the mounting hole, and among the elastic fingers 221, those located inside the cover 21 are used for contacting the pluggable module. 200 contacts.

The radiator 3 is arranged at the upper opening window 216b of the top wall 211 of the cover body 21, the radiator 3 has a base plate 31 arranged on the top wall 211, and is buckled side by side along the left-right direction D3 and A plurality of heat dissipation fins 32 are disposed on the top surface of the substrate 31 . The base plate 31 has a thermal coupling portion 311 protruding downward from the bottom surface and protruding from the upper window 216 b into the accommodating space 216 . The heat sink 3 is elastically assembled on the top wall 211 of the cover 21 through the elastic buckle 4 to move elastically relative to the accommodating space 216 . The elastic buckle 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 two ends of the elastic pressing portions 41 and respectively The two assembly parts 42 fastened to the two side walls 213 of the cover body 21, in detail, each side wall 213 on both sides is formed with two fastening projections 213c, and each assembly part 42 is formed with a corresponding The fastening projections 213c of the side wall 213 correspond to the two fastening holes 421 for fastening. In addition, the heat sink 3 also has two escape grooves 33 formed on the heat dissipation fins 32 for avoiding the two elastic pressing portions 41 . When the pluggable module 200 enters the cover body 21 of the guide shield 2 and docks with the receptacle connector 1 of the connector assembly 100 , the insertion part of the housing 201 of the pluggable module 200 The top surface of 201a 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 FIG. 1 and FIG. 3 to FIG. 5 , the cover body 21 also has a light guide installation structure 23 not on the side wall 213 but outside the side wall 213 , the light guide installation 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 relatively located below, and an upper matching locking portion 232 relatively located above. The light guide 5 has a plurality of L-shaped light guide pipes 51, a lower lock part 52 located below and used to be correspondingly assembled in the lower matching lock part 231, and a lower lock part 52 located above and used to be correspondingly assembled in the lower matching lock part 231. An upper locking portion 53 of the upper locking portion 232 is matched. The light pipes 51 are arranged side by side along the vertical direction D2 and integrally connected to each other through a plurality of connecting posts 54 . Each light pipe 51 has a light-incoming end 511 facing downward and facing the light-emitting element on the circuit board, and a light-emitting end 512 facing forward. The lower locking portion 52 and the upper locking portion 53 are integrated on the light guide 5 .

The lower matching locking portion 231 has two lower supporting plates 231a integrally extending laterally from the side plate 212b of the bottom wall 212 and used to support the lower supporting surface of the light guide member 5, and are respectively formed on the two lower supporting plates 231a. The two lower button holes 231b of the support plate 231a. The upper locking portion 232 has an upper support 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 support plate 232a. Since the light guide installation structure 23 for assembling the light guide 5 is constructed on the side plate 212b extending outward of the bottom wall 212 outside the side wall 213 of the cover 21, the cover 21 The sidewall 213 does not need to be constructed with holes or apertures, thereby helping to maintain the electromagnetic shielding effect. 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 the requirement, 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 buckle blocks 521 integrally extending from the lower support surface on the lower side of the light guide 5 and used to be buckled into the two lower buckle holes 231b, the lower support surface is supported by the lower Supported by the plate 231a, wherein the front lower buckle block 521 is integrally constructed from the lower side of the forward section of the lowermost light guide 51, and the lower side of the forward section of the light guide 51 is used as the lower supporting surface The lower buckle block 521 at the rear is integrally constructed on the lower side of a rear column 55 extending backward from the downward extension of the uppermost light pipe 51, and the lower side of the rear column 55 is used as a lower supporting surface; The upper locking portion 53 has an upper locking block 531 integrally extending from the upper inner surface of the light guide member 5 and configured to be engaged with the upper locking hole 232b. The two lower buckle blocks 521 are configured as L-shaped buckle blocks that extend downward and rearward and are used for fastening to the rear edges of the two lower buckle holes 231 b of the lower mating locking portion 231 . The upper buckle block 531 is configured as a protrusion extending inwardly relative to the light guide 5 , and the upper buckle block 531 has a buckle groove that opens upward and is used for buckling on the upper edge of the upper buckle hole 232 b. 531a. Specifically, the two lower buckle holes 231 b of the lower matching locking portion 231 are larger than the two lower buckle blocks 521 for the two lower buckle blocks 521 to pass through. The upper button hole 232b of the upper matching locking portion 232 is larger than the upper button block 531 for the upper button block 531 to pass through.

Referring to FIG. 3 to FIG. 7 , during the assembly process of the cover 21 and the light guide 5 , the two lower buckle blocks 521 of the lower locking portion 52 of the light guide 5 are engaged with the lower part from top to bottom. The two lower button holes 231b of the locking part 231 are aligned and pass through the two lower button holes 231b of the lower matching locking part 231, and the lower supporting plate 231a of the lower matching locking part 231 supports the light guide 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 forward and backward. By moving the light guide 5 backwards, the two lower buckle blocks 521 of the lower lock part 52 are correspondingly engaged with the rear edges of the two lower buckle holes 231b of the lower mating lock part 231 ( See Fig. 6), at this time, the upper buckle block 531 of the upper lock portion 53 of the light guide 5 and the upper buckle hole 232b of the upper matching lock portion 232 are aligned with each other, and then force is applied downward to the Light guide 5, so that the top of the light guide 5 is elastically deformed downward, and then the upper buckle block 531 is aligned and inserted inwardly into the upper buckle hole 232b, so that the upper lock part 53 is The buckle groove 531a of the upper buckle block 531 and the upper edge of the upper buckle hole 232b of the upper mating lock portion 232 are assembled and fastened correspondingly (see FIG. 7 ), that is, the assembly process of the light guide 5 is completed. If the light guide 5 needs to be disassembled, force is first applied downward to the light guide 5 and the top of the light guide 5 is elastically deformed downward, so that the upper buckle block of the upper locking part 53 531 of the buckle groove 531a and the upper edge of the upper button hole 232b of the upper matching lock portion 232 are released from the buckle, and the upper button block 531 is moved out of the upper button hole 232b, and then the light guide 5 is moved toward Move forward so that the two lower buckle blocks 521 of the lower lock part 52 are released from the rear edges of the two lower buckle holes 231b of the lower matching lock part 231, and finally move the light guide 5 upwards 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 , that is, the disassembly process is completed.

The way that the light guide 5 of the connector assembly 100 of the present invention moves backward and is buckled and assembled makes the assembly structure simple and easy to assemble and disassemble. Supported so that the light guide 5 can be more stable. Moreover, since the amount of movement of the light guide 5 in the left-right direction D3 is relatively small during the assembly process, in the application of other embodiments in which a plurality of covers 21 are arranged side by side in the left-right direction D3, the present design The light guide 5 can be easily disassembled and replaced along the up-down direction D2.

Referring to FIG. 1 and FIG. 2 , in addition, in this embodiment, the top wall 211 of the cover body 21 has a blocking piece 211a formed at the rear edge of the upper window 216b and bent downwards. The insertion 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 docks with the receptacle connector 1 of the connector assembly 100, the blocking piece 211a stops against the blocking surface 201b, thereby making 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 also has a locking piece 213d extending inward, and the inserting portion 201a also has a locking piece 213d formed on both sides and corresponding to the side walls 213 respectively. Two locking recesses 201c, when the pluggable module 200 and the connector assembly 100 are docked with 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.

In summary, the light guide installation structure 23 used to assemble the light guide 5 in the connector assembly 100 of the present invention is constructed outside the side wall 213 of the cover 21, so the side wall 213 of the cover 21 does not need Holes or apertures are constructed thereby helping to maintain electromagnetic shielding. Further, the bottom wall 212 can be assembled on the two side walls 213 , and the light guide installation structure 23 can be configured on the side plate 212 b formed on the bottom wall 212 , for example. In addition, the way that the light guide 5 of the connector assembly 100 of the present invention moves backward and is fastened and assembled makes the assembly structure simple and easy to assemble and disassemble. At the same time, the light guide 5 is supported by the lower mating locking portion 231 , so that the light guide 5 can be more stable. Moreover, in an application where a plurality of covers 21 are arranged side by side in the lateral direction, the light guide 5 of this design can be easily disassembled and replaced along the up-down direction D2.

But what is described above is only an embodiment of the present invention, and should not limit the scope of the present invention. All simple equivalent changes and modifications made according to the patent scope of the present invention and the content of the patent specification are still within the scope of the present invention. Within the scope covered by the patent of the present invention.

100:Connector assembly 1: socket connector 11: seat body 111: socket slot 12: terminal 2: Guidance shield 21: Cover body 211: top wall 211a: block 212: bottom wall 212a: dovetail convex part 212b: side panel 212c: buttonhole 213: side wall 213a: Dovetail recess 213b: buckle block 213c: Buckle projection 213d: Lock piece 214: rear wall 215: pin 216:Accommodating space 216a: front socket 216b: Upper opening window 216c: Bottom opening 22: Grounding piece 221: elastic fingers 23: Light guide installation structure 231: Bottom matching lock part 231a: lower support plate 231b: Bottom buttonhole 232: upper matching lock part 232a: upper support plate 232b: button hole 3: Radiator 31: Substrate 311: thermal coupling part 32: cooling fins 33: Avoid groove 4: elastic buckle 41: elastic pressing part 42: Assembly Department 421: button hole 5: Light guide 51: Light pipe 511: light input end 512: light output end 52: Lower lock part 521: Lower buckle block 53: Upper lock part 531: Up buckle block 531a: buckle slot 54: connecting column 55: rear post 200: pluggable module 201: shell 201a: socket part 201b: face shield 201c: Lock recess 202: plug board 202a: contact fingers 203: cable D1: Front and rear directions D2: up and down direction D3: left and right directions

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

100:Connector assembly

2: Guidance shield

21: Cover body

211: top wall

211a: block

212: bottom wall

212a: dovetail convex part

212b: side panel

212c: buttonhole

213: side wall

213a: Dovetail recess

213b: buckle block

213c: Buckle projection

213d: Lock piece

214: rear wall

215: pin

216:Accommodating space

216a: front socket

216b: Upper opening window

22: Grounding piece

221: elastic fingers

23: Light guide installation structure

231: Bottom matching lock part

231a: lower support plate

231b: Bottom buttonhole

232: upper matching lock part

232a: upper support plate

232b: button hole

3: Radiator

31: Substrate

311: thermal coupling part

32: cooling fins

33: Avoid groove

4: elastic buckle

41: elastic pressing part

42: Assembly Department

421: button hole

5: Light guide

51: Light pipe

511: light input end

512: light output end

52: Lower lock part

521: Lower buckle block

53: Upper lock part

531: Up buckle block

531a: buckle slot

54: connecting column

55: rear post

D1: Front and rear directions

D2: up and down direction

D3: left and right directions

Claims (8)

A connector assembly comprising: The cover body has a top wall, a side wall, a bottom wall, and a light guide installation structure not on the side wall but on the outside of the side wall. The light guide installation structure has a lower matching locking part located below, and the upper upper mating latch portion; and The light guide part has a lower lock part located at the bottom and used for correspondingly assembling the lower matching lock part, and an upper lock part located above and used for correspondingly assembling with the upper matching lock part. The connector assembly according to claim 1, wherein, during the assembly process of the cover body and the light guide, the lower locking part of the light guide fits with the lower part from top to bottom The locking parts are in alignment, and the lower matching locking part supports the light guide. At this time, the upper locking part and the upper matching locking part of the light guiding part are staggered back and forth. The light guide is moved backward, so that the lower locking part is correspondingly assembled with the lower matching locking part. At this time, the upper locking part of the light guiding part and the upper matching locking part are aligned with each other, and the upper locking part can be correspondingly assembled to the upper mating locking part. 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 The side plate on the outer side of the side wall of the cover body, the light guide installation 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 according to claim 3, wherein the lower mating locking part 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 plate, and the upper mating locking portion has an upper support plate integrally extending upward from the side plate of the bottom wall. The connector assembly according to claim 4, wherein, the lower mating lock part also has a lower buckle hole formed on the lower support plate, and the upper mating lock part also has a hole formed on the upper support plate. the upper buckle hole, the lower lock part has a lower buckle block integrally extending from the lower support surface located on the lower side of the light guide and used to be buckled in the lower buckle hole, the lower support The surface is supported by the lower support plate, and the upper locking portion has an upper locking block extending integrally from the upper inner surface of the light guide member and used for locking to the upper locking hole. The connector assembly according to claim 5, wherein the lower buckle block is configured as an L-shaped buckle block extending downward and rearward and used to be fastened to the rear edge of the lower buckle hole, and the upper The buckle block is configured as a protruding block extending inward, and the upper buckle block has a buckle groove that opens upward and is used for fastening to the upper edge of the upper buckle hole. The connector assembly according to claim 6, wherein the light guide member has an L-shaped light guide tube, and the light guide tube has a downward-facing light-incoming end and a forward-facing light-outgoing end. The connector assembly according to claim 7, wherein the light guide has at least two light guides which are arranged side by side and integrally connected to each other, and the lower locking part is integrated with the upper locking part Constructed on the light guide.

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