Slot shell and electric connector

Abstract

The utility model provides a slot shell and an electric connector, the slot shell sleeves a slot body, and the slot shell comprises a top shell plate, two side shell plates and two first end shell plates. The top shell plate is located at the top of the slot body and is provided with a jack, the top shell plate is provided with bolts at two sides of the jack, and the bolts are vertically bent relative to the top shell plate and are inserted into the limiting holes at the top of the slot body to limit the movement of the top shell plate in the length and width directions relative to the slot body. The two side shell plates are vertically connected to the two sides of the top shell plate, each side shell plate is provided with a plurality of sunken parts, and the sunken parts are inserted into the limiting grooves of the slot body so as to limit the movement of the slot shell in the height direction relative to the slot body. The two first end shell plates are vertically connected to the same sides of the two side shell plates in a one-to-one correspondence mode, and first tooth parts meshed in a staggered mode are arranged at the connecting position of the two first end shell plates so as to limit movement of the two side shell plates in the width direction relative to the slot body. When the slot shell is used, cracking caused by outward expansion of the two side shell plates can be prevented.

Description

TECHNICAL FIELD

[0001] The present application relates to an electrical connector and a socket shell thereof. BACKGROUND

[0002] In the related art of servers, the mainboard is usually provided with a socket connector of a high-speed bus. The socket is used for plugging external devices and hardware, and the socket usually has a shell for protection. However, the strength of the shell is usually insufficient, and cracking may occur after multiple plugging and unplugging operations, especially cracking caused by the outward expansion of the shell on both sides of the socket. CONTENT OF THE UTILITY MODEL

[0003] Therefore, it is necessary to provide an electrical connector with a socket shell having higher strength.

[0004] In an embodiment of the present application, a socket shell is provided, which is sleeved on a socket body and is formed by bending a plate. The plate includes a top shell plate, two side shell plates, and two first end shell plates. The top shell plate is located on the top of the socket body and is provided with a socket. The socket is aligned with the socket of the socket body. The top shell plate is provided with a latch on both sides of the socket. The latch is perpendicularly bent relative to the top shell plate and is inserted into a limiting hole on the top of the socket body to limit the movement of the top shell plate relative to the socket body in the length and width directions. The two side shell plates are perpendicularly connected to opposite sides of the top shell plate, respectively. Each side shell plate has a plurality of recessed portions. The recessed portions are obliquely bent relative to the side shell plate towards the socket body and are inserted into a limiting groove of the socket body to limit the movement of the socket shell relative to the socket body in the height direction. The two first end shell plates are perpendicularly connected to the same side of the two side shell plates, respectively. The connection portions of the two first end shell plates have first tooth portions that are interlocked with each other to limit the movement of the two side shell plates relative to the socket body in the width direction.

[0005] Compared with the prior art, in the use of the above-mentioned socket shell, the latches on both sides of the socket are inserted into the limiting hole on the top of the socket body to limit the movement of the part of the top shell plate on both sides of the socket relative to the socket body in the length and width directions, thereby preventing the outward expansion of the part of the top shell plate on both sides of the socket and causing cracking. The recessed portions are inserted into the limiting groove of the socket body to limit the movement of the socket shell relative to the socket body in the height direction, thereby preventing the socket shell from being separated from the socket body and preventing the two side shell plates from being suspended and causing cracking due to the outward expansion of the two side shell plates. The first tooth portions limit the movement of the two side shell plates relative to the socket body in the width direction, thereby preventing the two side shell plates from moving away from each other and causing cracking due to the outward expansion of the two side shell plates. BRIEF DESCRIPTION OF DRAWINGS

[0006] Figure 1 FIG. 1 is an exploded view of the socket shell and the socket body in an embodiment of the present application.

[0007] Figure 2 Fig. 1 is a perspective view of a slot body in the slot shell of the present application. Figure 1 Fig. 2 is a perspective view of the slot shell and the slot body assembled in the slot shell of the present application.

[0008] Figure 3 Fig. 3 is a perspective view of the slot shell and the slot body assembled in the slot shell of the present application from another angle. Figure 2 Fig. 4 is a perspective view of the slot shell and the slot body assembled in the slot shell of the present application from another angle.

[0009] Figure 4 Fig. 5 is a perspective view of the slot shell at the first end shell plate in the slot shell of the present application. Figure 3 Fig. 6 is a perspective view of the slot shell at the second end shell plate in the slot shell of the present application.

[0010] Figure 5 Fig. 7 is a perspective view of the slot shell at the inner recess in the slot shell of the present application. Figure 1 Fig. 8 is a perspective view of the slot shell at the inner recess in the slot shell of the present application.

[0011] Figure 6 Fig. 9 is a perspective view of the slot body at the limiting slot in the slot shell of the present application. Figure 1 Fig. 10 is a perspective view of the slot body at the limiting slot in the slot shell of the present application.

[0012] Figure 7 Fig. 11 is a perspective view of the slot body at the limiting slot in the slot shell of the present application. Figure 1 Fig. 12 is a perspective view of the slot body at the limiting slot in the slot shell of the present application.

[0013] Main element symbol explanation:

[0014] 100: slot shell; 200: slot body; 201: slot; 202: limiting hole; 203: limiting slot; 203a: protrusion; 203b: first inclined surface; 203c: second inclined surface; 204: flange; 205: positioning hole; 206: protruding strip;

[0015] 10: top shell plate; 11: insertion opening; 12: insertion pin; 121: protrusion; 122: guide surface;

[0016] 20: side shell plate; 21: inner recess; 211: inclined portion; 212: vertical portion; 22: lead pin; 23: positioning plate; 24: avoiding slot; 25: avoiding hole;

[0017] 30: first end shell plate; 31: first tooth portion; 311: first tooth; 312: first tooth groove;

[0018] 40: second end shell plate; 41: second tooth portion; 411: second tooth; 412: second tooth groove; 42: notch. DETAILED DESCRIPTION

[0019] The technical solutions of the present application will be described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments.

[0020] It should be noted that when an element is referred to as being "connected", "coupled", "adjacent", "attached", "fixed", "joined", or "positioned" to another element, it can be directly connected, coupled, adjacent, attached, fixed, joined, or positioned to the other element or intervening elements can be present. In this application, unless otherwise specified and limited, the terms "mounting, connecting, fixing" and the like are to be construed broadly, for example, can be fixed connection, can also be detachable connection, or integrally connected; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through intermediate medium, can be internal communication of two elements. For those skilled in the art, the specific meaning of the above terms in this application can be understood according to the specific circumstances.

[0021] The terms "first", "second", and the like are used only to distinguish different objects, and cannot be understood as indicating or implying relative importance or implicitly indicating the number, specific order or primary and secondary relationship of the technical features indicated. In the description of the embodiments of the present application, the meaning of "a plurality of" is two or more, unless otherwise explicitly specified and limited. The shape description of length, thickness, width and the like in the embodiments of the present application is only exemplary and should not constitute any absolute limitation on the present application. The terms "vertical", "parallel" are used to describe the ideal state between two components. In the actual production or use state, there can be a state similar to vertical or parallel.

[0022] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the specification of the present application is only for the purpose of describing specific embodiments and is not intended to limit the present application. The terms "including", "having" and "provided with" and any variations thereof in the specification and claims of the present application and the above description of the drawings are intended to cover non-exclusive inclusion. In this text, "embodiment" means that the specific features, structures or properties described in conjunction with the embodiment can be included in at least one embodiment of the present application. The appearance of this phrase at various places in the specification does not necessarily refer to the same embodiment, nor is it independent or alternative to other embodiments. In the case of no conflict, the various embodiments in the present application can be combined with each other.

[0023] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the specification of the present application is only for the purpose of describing specific embodiments and is not intended to limit the present application. The term "or / and" used herein includes any and all combinations of one or more related listed items.

[0024] At present, in the related technology of the server, the mainboard is usually provided with a slot connector of a high-speed bus, the slot is used for plugging external devices and hardware, and the slot usually has a shell to play a protection role, but the strength of the shell usually has a deficiency, and under the operation of multiple plugging and unplugging, the shell is prone to cracking, especially the cracking caused by the outward expansion of the shell on both sides of the slot.

[0025] Therefore, it is necessary to provide a slot shell with higher strength and an electrical connector with the same. The slot shell is sleeved on a slot body and is formed by bending a plate. The plate includes a top shell plate, two side shell plates and two first end shell plates. The top shell plate is located on the top of the slot body and is provided with a socket. The socket is aligned with the slot of the slot body. The top shell plate is provided with a latch on both sides of the socket. The latch is perpendicularly bent relative to the top shell plate and is inserted into a limiting hole on the top of the slot body to limit the movement of the top shell plate relative to the slot body in the length and width directions. The two side shell plates are perpendicularly connected to opposite sides of the top shell plate, respectively. Each side shell plate has a plurality of recessed portions. The recessed portions are obliquely bent relative to the side shell plate towards the slot body and are inserted into a limiting groove of the slot body to limit the movement of the slot shell relative to the slot body in the height direction. The two first end shell plates are perpendicularly connected to the same side of the two side shell plates, respectively. The connection portions of the two first end shell plates have first tooth portions that are interlocked with each other to limit the movement of the two side shell plates relative to the slot body in the width direction.

[0026] In use, the latches on both sides of the socket are inserted into the limiting hole on the top of the slot body to limit the movement of the part of the top shell plate on both sides of the socket relative to the slot body in the length and width directions, thereby preventing the cracking caused by the outward expansion of the part of the top shell plate on both sides of the socket. The recessed portions are inserted into the limiting groove of the slot body to limit the movement of the slot shell relative to the slot body in the height direction, thereby preventing the slot shell from being separated from the slot body, preventing the two side shell plates from being suspended and preventing the cracking caused by the outward expansion of the two side shell plates. The first tooth portions limit the movement of the two side shell plates relative to the slot body in the width direction, thereby preventing the two side shell plates from moving away from each other and preventing the cracking caused by the outward expansion of the two side shell plates.

[0027] Some embodiments of the present application will be described in detail below with reference to the drawings. The following embodiments and features of the embodiments can be combined with each other without conflict.

[0028] As Figures 1 to 3As shown, an embodiment of the present application provides a slot shell 100 and an electrical connector, the electrical connector can be installed on a mainboard, and the electrical connector includes a slot body 200 and the slot shell 100. Wherein, the slot body 200 can be a PCIe (peripheral component interconnect express) slot, which is a kind of high-speed, high-bandwidth serial interconnection technology, and is specially designed to connect various peripherals on the computer mainboard. The slot body 200 is used for plugging external devices such as graphics cards, sound cards, network cards or hard disks. The slot shell 100 is sleeved on the slot body 200 to play a protective role.

[0029] The slot shell 100 is formed by bending, stamping and piercing of a plate member, wherein, as shown, Figures 1 to 3 The plate member includes a top shell plate 10, which is located at the top of the slot body 200 and is provided with a socket 11, which is aligned with the slot 201 of the slot body 200. The top shell plate 10 is provided with a latch 12 on the opposite sides of the edge of the socket 11, and the latch 12 is vertically bent relative to the top shell plate 10 and inserted into the limiting hole 202 at the top of the slot body 200. The latch 12 is used to limit the movement of the top shell plate 10 along the length direction X and the width direction Y relative to the slot body 200, especially the movement along the width direction Y, because the central region of the top shell plate 10 is hollow due to the existence of the socket 11, and after multiple plugging and unplugging operations, the top shell plate 10 is prone to crack along the width direction Y. Therefore, the latch 12 can prevent the part of the top shell plate 10 on both sides of the socket 11 from cracking along the width direction Y, thereby improving the reliability of the slot shell 100.

[0030] The plate member of the slot shell 100 further includes two side shell plates 20, which are respectively connected to the opposite sides of the top shell plate 10 and are respectively located on the opposite sides of the slot body 200. Each side shell plate 20 has a plurality of inward recesses 21, which are inclined and bent towards the slot body 200 relative to the side shell plate 20, and the inward recesses 21 are inserted into the limiting groove 203 of the slot body 200. The inward recesses 21 can limit the movement of the slot shell 100 along the height direction Z relative to the slot body 200 by abutting against the groove wall of the limiting groove 203, thereby preventing the slot shell 100 from being separated from the slot body 200 during plugging and unplugging operations, and causing the slot shell 100 to be suspended. Because when the slot shell 100 is suspended, the inside is not filled and supported by the slot body 200, which can cause the structural strength of the slot shell 100 to be reduced and the slot shell 100 to be deformed and cracked. Therefore, the cooperation of the inward recesses 21 and the limiting groove 203 can prevent the slot shell 100 from being separated from the slot body 200, thereby improving the reliability of the slot shell 100.

[0031] As shown, Figure 3 and Figure 4As shown, the plate pieces of the slot housing 100 further include two first end housing plates 30, which are vertically connected to the same side of the two side housing plates 20 one by one and are located at the same end of the slot body 200. The connection between the two first end housing plates 30 has first tooth portions 31 that are interlocked with each other, so as to limit the movement of the two side housing plates 30 relative to the slot body 200 in the width direction Y, thereby preventing the two side housing plates 20 from being far apart and flared, and further preventing the slot housing 100 from cracking and improving the reliability of the slot housing 100.

[0032] In some embodiments, as shown in Figure 1 , Figure 2 and Figure 5 , the plate pieces of the slot housing 100 further include two second end housing plates 40, which are vertically connected to the side of the two side housing plates 20 away from the two first end housing plates 30 one by one. The connection between the two second end housing plates 40 has second tooth portions 41 that are interlocked with each other, so as to limit the movement of the two side housing plates 30 relative to the slot body 200 in the width direction Y, thereby preventing the two side housing plates 20 from being far apart and flared, and further preventing the slot housing 100 from cracking and improving the reliability of the slot housing 100. Preferably, the first tooth portions 31 and the second tooth portions 41 exist at the same time, because the slot body 200 is in the shape of a long rectangular, the first tooth portions 31 and the second tooth portions 41 can simultaneously enhance the structural strength of the slot housing 100 at both ends in the length direction X, prevent the two side housing plates 20 from being far apart and flared at both ends in the length direction X, and further prevent the slot housing 100 from cracking and improve the reliability of the slot housing 100.

[0033] In some embodiments, as shown in Figure 3 and Figure 4 , the first tooth portions 31 include a plurality of first teeth 311, and a first tooth groove 312 is formed between every two adjacent first teeth 311. The first teeth 311 of each first end housing plate 30 are inserted into the first tooth groove 312 of the other first end housing plate 30. The width of each first tooth 311 gradually increases from inside to outside, i.e., the size of each first tooth 311 in the height direction Z gradually increases along the direction from the first end housing plate 30 where it is located to the other first end housing plate 30. The width of each first tooth groove 312 gradually increases from outside to inside, i.e., the size of each first tooth groove 312 in the height direction Z gradually increases along the direction from the other first end housing plate 30 to the first end housing plate 30 where it is located. In this way, each first tooth 311 can be limited in the first tooth groove 312 in the width direction Y, so as to limit the two first end housing plates 30 from being far apart in the width direction Y, thereby limiting the movement of the two side housing plates 20 relative to the slot body 200 in the width direction Y, further preventing the slot housing 100 from cracking, and improving the reliability of the slot housing 100.

[0034] In some embodiments, as shown in Figure 1 , Figure 2 and Figure 5 , each of the two second end shell plates 40 is provided with a corresponding notch 42, the notch 42 penetrates the top of the two second end shell plates 40, and the slot 201 of the slot body 200 penetrates the slot body 200 along the length direction X and is aligned with the notch 42, so as to plug in the external device. The second tooth portion 41 is located at the bottom of the notch 42, and the second tooth portion 41 includes a second tooth 411 and a second tooth groove 412, the second tooth 411 is provided on one of the two second end shell plates 40, and the second tooth groove 412 is provided on the other second end shell plate 40, and the second tooth 411 is inserted into the second tooth groove 412. Similarly to the first tooth 311 and the first tooth groove 312, the width of the second tooth 411 gradually increases from inside to outside, and the width of the second tooth groove 412 gradually increases from outside to inside, so that the second tooth 411 is limited in the second tooth groove 412 along the width direction Y, so as to limit the two second end shell plates 40 from moving away from each other, thereby limiting the movement of the two side shell plates 20 relative to the slot body 200 in the width direction Y, and further preventing the slot shell 100 from cracking, and improving the reliability of the slot shell 100.

[0035] In some embodiments, as shown in Figure 1 and Figure 6 , each of the two second end shell plates 40 is provided with a corresponding notch 42, the notch 42 penetrates the top of the two second end shell plates 40, and the slot 201 of the slot body 200 penetrates the slot body 200 along the length direction X and is aligned with the notch 42, so as to plug in the external device. The second tooth portion 41 is located at the bottom of the notch 42, and the second tooth portion 41 includes a second tooth 411 and a second tooth groove 412, the second tooth 411 is provided on one of the two second end shell plates 40, and the second tooth groove 412 is provided on the other second end shell plate 40, and the second tooth 411 is inserted into the second tooth groove 412. Similarly to the first tooth 311 and the first tooth groove 312, the width of the second tooth 411 gradually increases from inside to outside, and the width of the second tooth groove 412 gradually increases from outside to inside, so that the second tooth 411 is limited in the second tooth groove 412 along the width direction Y, so as to limit the two second end shell plates 40 from moving away from each other, thereby limiting the movement of the two side shell plates 20 relative to the slot body 200 in the width direction Y, and further preventing the slot shell 100 from cracking, and improving the reliability of the slot shell 100.

[0036] In some embodiments, as shown in Figure 1 and Figure 5 , the two opposite sides of the latch 12 are provided with protrusions 121, the bottom of the protrusion 121 is provided with a guide surface 122, the guide surface 122 is chamfered or rounded, the guide surface 122 is used to guide the insertion of the latch 12 into the limiting hole 202, and the protrusion 121 is used to press the hole wall of the limiting hole 202 to interfere with the limiting hole 202, so as to increase the friction between the latch 12 and the slot body 200, and improve the stability of the latch 12 in the limiting hole 202.

[0037] In some embodiments, as shown in Figures 1 to 3As shown, the bottom of each side shell plate 20 is provided with a plurality of pins 22, which are used to pass through the mainboard supporting the slot body 200 and are welded to the mainboard to fix the slot shell 100 to the mainboard, thereby improving the stability of the slot shell 100. For example, the bottom of each side shell plate 20 is provided with three pins 22, which are respectively located at the two ends of the side shell plate 20 along the length direction X and between the two ends, so as to ensure the stability of the slot shell 100 on the mainboard.

[0038] In some embodiments, as shown in Figure 1 and Figure 2 , the bottom of each side shell plate 20 is provided with a positioning plate 23, and the two sides of the positioning plate 23 are provided with an avoiding slot 24. The two sides of the slot body 200 are provided with a flange 204, and the flange 204 is provided with a positioning hole 205 which penetrates the flange 204 along the height direction Z of the slot body 200. When the slot shell 100 is installed from top to bottom to the slot body 200, the positioning plate 23 is inserted into the positioning hole 205, and the flange 204 is partially inserted into the avoiding slot 24, so as to limit the movement of the slot shell 100 relative to the slot body 200 in the length direction X and the width direction Y, thereby improving the positional stability of the slot shell 100 relative to the slot body 200.

[0039] In some embodiments, as shown in Figures 1 to 3 , each side shell plate 20 is provided with an avoiding hole 25 which penetrates the bottom of the side shell plate 20. The two sides of the slot body 200 are provided with a convex strip 206 which is used to cooperate with other components in the server. When the slot shell 100 is installed from top to bottom to the slot body 200, the avoiding hole 25 is aligned with the convex strip 206, so that the side shell plate 200 avoids the convex strip 206 to avoid interference.

[0040] In some embodiments, as shown in Figure 1 , Figure 6 and Figure 7 , the limiting slot 203 of the slot body 200 has a convex block 203a, the convex block 203a has a first inclined surface 203b upwardly, and the convex block 203a has a second inclined surface 203c downwardly. When the slot shell 100 is installed from top to bottom to the slot body 200, the first inclined surface 203b is in contact with the inclined part 211, the inclined part 211 slides along the first inclined surface 203b and deforms until the inclined part 211 passes over the convex block 203a, and the vertical part 212 is located below the second inclined surface 203c, and the top end of the vertical part 212 abuts against the second inclined surface 203c to avoid the slot shell 100 from being detached from the slot body 200. The second inclined surface 203c can guide the vertical part 212 to slide along the second inclined surface 203c when the user disassembles the slot shell 100, so that the vertical part 212 passes over the convex block 203a, thereby disassembling the slot shell 100.

[0041] In addition, those skilled in the art should understand that the above implementation is only used to illustrate the present application, and is not used as a limitation to the present application, and as long as the above implementation is within the spirit and scope of the present application, the appropriate changes and modifications of the above implementation are within the scope of the present application.

Claims

1. A socket housing, the socket housing being fitted to a socket body, characterized by, The slot housing is formed by bending a plate, which comprises: a top plate, which is located on the top of the slot body and is provided with a slot, the slot is aligned with the slot of the slot body, the top plate is provided with a latch on both sides of the slot, the latch is vertically bent relative to the top plate and is inserted into the limiting hole on the top of the slot body to limit the movement of the top plate relative to the slot body in length and width directions; two side plates, which are respectively connected to the opposite sides of the top plate, each side plate has a plurality of recessed parts, which are obliquely bent relative to the side plate towards the slot body and are inserted into the limiting groove of the slot body to limit the movement of the slot housing relative to the slot body in height direction; and two first end plates, which are respectively connected to the same side of the two side plates, the connection part of the two first end plates has first tooth parts which are interlocked to limit the movement of the two side plates relative to the slot body in width direction.

2. The socket housing of claim 1, wherein: The plate further comprises two second end plates, which are respectively connected to the side of the two side plates away from the two first end plates, the connection part of the two second end plates has second tooth parts which are interlocked to limit the movement of the two side plates relative to the slot body in width direction.

3. The socket housing of claim 1, wherein: The first tooth part comprises a plurality of first teeth, a first tooth groove is formed between every two adjacent first teeth, the first tooth of each first end plate is inserted into the first tooth groove of the other first end plate, the width of each first tooth gradually increases from inside to outside, the width of each first tooth groove gradually increases from outside to inside, so that each first tooth is limited in the first tooth groove to limit the movement of the two first end plates away from each other, thereby limiting the movement of the two side plates relative to the slot body in width direction.

4. The socket housing of claim 2, wherein: The two second end plates are respectively provided with a notch which is connected and communicates, the notch penetrates through the top of the two second end plates, the slot of the slot body penetrates through the slot body in length direction and is aligned with the notch, the second tooth part is located at the bottom of the notch, the second tooth part comprises a second tooth and a second tooth groove, the second tooth is provided on one second end plate, the second tooth groove is provided on the other second end plate, the second tooth is inserted into the second tooth groove, the width of the second tooth gradually increases from inside to outside, the width of the second tooth groove gradually increases from outside to inside, so that the second tooth is limited in the second tooth groove to limit the movement of the two second end plates away from each other, thereby limiting the movement of the two side plates relative to the slot body in width direction.

5. The socket housing of claim 1, wherein: Each of the inward recesses comprises an inclined portion and a vertical portion, one end of the inclined portion is connected to the side shell plate and is inclined and bent towards the slot body relative to the side shell plate, the vertical portion is connected to the end of the inclined portion away from the side shell plate and is parallel to the side shell plate, the inclined portion deforms when the slot shell is mounted to the slot body from top to bottom, and restores when the vertical portion is aligned with the limiting groove, so that the vertical portion is inserted into the limiting groove, and the top end of the vertical portion abuts against the groove wall of the limiting groove to limit the movement of the slot shell relative to the slot body in the height direction.

6. The socket housing of claim 1, wherein: The latch has protrusions on opposite sides, the bottom of the protrusions is provided with a guide surface for guiding the insertion of the latch into the limiting hole, and the protrusions interfere with the limiting hole.

7. The socket housing of claim 1, wherein: The bottom of each of the side shell plates is provided with a plurality of pins for penetrating through the mainboard supporting the slot body and being fixed to the mainboard to fix the slot shell to the mainboard.

8. The socket housing of claim 1, wherein: The bottom of each of the side shell plates is provided with a positioning plate and is provided with an avoiding groove on both sides of the positioning plate, the slot body is provided with flanges on both sides, the flanges are provided with positioning holes penetrating through the flanges in the height direction of the slot body, when the slot shell is mounted to the slot body from top to bottom, the positioning plate is inserted into the positioning hole, and the flange is inserted into the avoiding groove to limit the movement of the slot shell relative to the slot body in the length and width directions.

9. The socket housing of claim 1, wherein: Each of the side shell plates is provided with an avoiding hole penetrating through the bottom of the side shell plate, and the slot body is provided with protrusions on both sides, when the slot shell is mounted to the slot body from top to bottom, the avoiding hole is aligned with the protrusions to make the side shell plate avoid the protrusions.

10. An electrical connector characterized by: The electrical connector comprises a slot body and a slot shell as claimed in any one of claims 1 to 9, and the slot shell is sleeved on the slot body.

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