CN118156870B - Shell structure of high-speed connector - Google Patents

Abstract

The invention relates to the technical field of connectors, and discloses a shell structure of a high-speed connector, which comprises a die-casting lower shell and a die-casting upper shell. This high-speed connector's shell structure, it is spacing to preliminary hook through block portion and slot, first spacing portion and second spacing portion are to the pressure casting epitheca with the pressure casting inferior valve dislocation cross inner wall support each other and hold spacing with the outer wall each other, it is spacing about forming to utilize first inclined plane and block portion on the second spacing portion, make the pressure casting inferior valve and the pressure casting epitheca each contact portion atress of pressure casting epitheca more even when increasing the block area of contact of pressure casting inferior valve and pressure casting epitheca, cup joint in the pressure casting inferior valve and the pressure casting epitheca one end of being away from block portion through the die casting unlatching piece, further increase the area of each atress contact point between pressure casting inferior valve and the pressure casting epitheca for the pressure casting inferior valve is more stable with the pressure casting epitheca block, realize simple structure, be convenient for install and dismantle and the different model cables of equipment and adaptation are connected with same road board communication.

Description

Shell structure of high-speed connector

Technical Field

The invention relates to the technical field of connectors, in particular to a shell structure of a high-speed connector.

Background

The connector, i.e. a device connecting two active devices, establishes a bridge for communication between the blocked or isolated circuits within the circuit, thereby allowing current to flow and the circuit to perform a predetermined function, and the form and structure of the connector are varied, and there are various types of connectors according to the application object, frequency, power, application environment, etc.

For example, chinese patent publication No. CN215497252U is a small-sized pluggable electric connector with a basic communication connection function, but because the electric connector uses rivets to lock the upper cover and the lower shell, and the forming glue block is used to fixedly connect the road board and the cable, so that the connector needs to be assembled and disassembled by matching with the corresponding screwdriver tool in the process of assembling and disassembling, which results in complex assembly, low efficiency, and incapability of quickly replacing different cables and matching with the same road board, resulting in single function, inconvenient use, poor applicability, and the like, so that the shell structure of the high-speed connector is provided to solve the problems.

Disclosure of Invention

(One) solving the technical problems

Aiming at the defects of the prior art, the invention provides a shell structure of a high-speed connector, which has the advantages of simple structure, convenient installation, disassembly and assembly, and the like, simultaneously adapts to the rapid communication connection of cables of different types and the same road board, and solves the problems of single function, inconvenient use and poor applicability caused by the fact that a four-channel small pluggable electric connector with a CN215497252U has a basic communication connection function, locks an upper cover and a lower shell by adopting rivets and fixedly connects the road board and the cables by forming glue blocks, so that the connector needs to be installed and disassembled by matching corresponding screwdriver tools in the installation and disassembly process, and is complex in assembly, low in efficiency and incapable of being used by matching with the same road board by rapidly replacing different cables.

(II) technical scheme

In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a shell structure of high-speed connector, including the die-casting inferior valve and the die-casting epitheca of mutual block, form the cavity of top and left and right sides opening type between die-casting inferior valve and the die-casting epitheca, the front side and the rear side symmetry of die-casting inferior valve are provided with the slot, be provided with the block portion with the slot looks coupling on the die-casting epitheca, the bottom front side and the bottom rear side of die-casting epitheca all are provided with the first spacing portion that offsets with the die-casting inferior valve inner wall, the bottom front side and the bottom rear side of die-casting epitheca are located one side that the block portion was kept away from to first spacing portion and are provided with the second spacing portion, the die-casting inferior valve respectively with two second spacing portion opposite sides offset, the right side of second spacing portion is provided with the first inclined plane that offsets with the die-casting inferior valve, one side joint that the die-casting epitheca was kept away from the die-casting inferior valve has the end cover, be provided with the PCB board that takes the gold between die-casting inferior valve and the die-casting epitheca, the inner wall of die-casting epitheca is provided with the first location arch that offsets with the die-casting panel, the die-casting epitheca looks at the die-casting panel offset, the die-casting epitheca's inner wall is provided with the location piece that offsets with the PCB board, the location piece that offsets with the PCB board offset, the location piece that the die-casting inferior valve is located down, the PCB board offset, the location piece that the die-casting shell is located down.

Preferably, the slot includes first horizontal cell wall, first arc cell wall, first vertical cell wall, second arc cell wall, slope cell wall, third arc cell wall, second vertical cell wall and fourth arc cell wall that connect gradually, and the block portion includes first arc sunk surface, first vertical face, second arc sunk surface, second inclined plane, first arc raised surface, second vertical face, second arc raised surface and horizontal terminal surface that connect gradually, possesses certain assembly clearance between horizontal terminal surface and the first horizontal cell wall after slot and block portion block assembly.

Preferably, the second positioning protrusion is located in the middle of opposite sides of the two clamping portions, and the right end of the second limiting portion extends and is connected with the second positioning protrusion and the clamping portions into a whole, i.e. the opposite sides of the two second limiting portions are respectively connected with the first arc-shaped concave surface, the first vertical surface, the second arc-shaped concave surface, the second inclined surface and the first arc-shaped convex surface.

Preferably, the cross section on the die-casting lower shell and positioned at the contact position of the first limiting part and the second limiting part is of a Z-shaped structure.

Preferably, a third inclined surface propping against the die-casting upper shell is arranged at one end of the die-casting lower shell away from the groove.

Preferably, a positioning groove is formed in the bottom of the die-casting upper shell, and a locking spring piece is detachably arranged in the positioning groove.

Preferably, the end cover comprises a first metal cover and a second metal cover, wherein the first metal cover is clamped on the die-casting upper shell and is positioned above the PCB, and the second metal cover is clamped on the die-casting upper shell and is positioned on the left side of the first metal cover.

Preferably, the front side and the rear side of the die-casting upper shell are both provided with clamping blocks which are clamped with the first metal cover and the second metal cover, and the first metal cover and the second metal cover are both provided with positioning holes which are matched with the clamping blocks.

Preferably, the top surface of the clamping block is an inclined surface, and the bottom surface of the clamping block is a horizontal stop surface.

Preferably, the distances between the front end face and the rear end face of the die-casting lower shell, the die-casting upper shell, the die-casting unlocking piece, the front end face and the rear end face of the first metal cover and the die-casting rear end face of the second metal cover are equal, and the right-view cross section of the die-casting lower shell, the die-casting upper shell, the die-casting unlocking piece, the first metal cover and the second metal cover after being assembled is rectangular.

(III) beneficial effects

Compared with the prior art, the invention provides a shell structure of a high-speed connector, which has the following beneficial effects:

1. The shell structure of the high-speed connector is characterized in that the clamping part on the upper die-casting shell is primarily hooked and limited with the groove on the lower die-casting shell, the first limiting parts on the front side and the rear side of the bottom of the upper die-casting shell are propped against the front side and the rear side of the inner wall of the lower die-casting shell, the second limiting parts on the front side and the rear side of the bottom of the upper die-casting shell are propped against the front side and the rear side of the lower die-casting shell, the front and the rear limiting parts which are mutually propped against the outer wall are formed by the left-right staggered cross type inner wall, the left-right limiting is formed by the first inclined surface on the right side of the second limiting part on the bottom of the upper die-casting shell and the clamping part, the clamping contact area of the lower die-casting shell and the upper die-casting shell is increased, the stress of each contact part of the lower die-casting shell and the upper die-casting shell is more uniform, finally, the die-casting unlocking piece is sleeved at one end of the die-casting lower shell and one end of the die-casting upper shell, which are far away from the clamping part, so that the die-casting lower shell and one end of the die-casting upper shell, which are relatively far away from the clamping part, are limited up, down, left and right, the area of each stress contact point between the die-casting lower shell and the die-casting upper shell is further increased, namely, the stress of each contact part between the die-casting lower shell and the die-casting upper shell is more uniform and the clamping is more stable, the mounting and dismounting and the maintenance are realized in a simple and convenient clamping manner, the supporting stress connection stability and the deformation resistance of the shell structure are improved, and the situations that the connector is complicated in assembly, low in efficiency and the like because the connector is required to be mounted and dismounted in the mounting and dismounting process due to the fact that the traditional screw is adopted for connection are avoided;

2. This high-speed connector's shell structure sets up PCB board and QSFP-DD connector of taking golden finger in the cavity that forms through adopting between die-casting inferior valve and the die-casting epitheca, even make this connector can adapt to different cables and the same QSFP-DD connector matching use fast, and then improve application scope of this connector, use convenience and multi-functional assembly use, in addition, because adopt the end cover to carry out the selectivity shutoff to the top of die-casting epitheca, and then make this connector overhaul PCB board and the QSFP-DD connector of taking golden finger and plug change line in-process only need dismantle the end cover, and need not to dismantle backstop piece and die-casting unlatch piece and die-casting inferior valve and die-casting epitheca promptly, simplify the installation and dismantle the step promptly, simplify the maintenance procedure, simultaneously through the first location arch on the die-casting inferior valve and the second location arch on the die-casting epitheca respectively support each other and spacing to the PCB board, and then make this connector also can simultaneously carry out the connection to taking golden board and QSFP-DD when dismantling backstop piece and die-casting inferior valve and die-casting epitheca, and the quick-casting device is convenient for install and install the connection with the quick-operation is realized that the communication is convenient for install and the same kind of this device.

Drawings

FIG. 1 is an exploded view of a housing structure of a high-speed connector according to the present invention;

Fig. 2 is a perspective view of a housing structure of a high-speed connector according to the present invention;

FIG. 3 is a partial perspective view of a housing structure of a high-speed connector according to the present invention;

FIG. 4 is an enlarged view of FIG. 3 at A;

fig. 5 is a front view of a housing structure of a high-speed connector according to the present invention;

FIG. 6 is an enlarged view of FIG. 5 at B;

fig. 7 is a right side view of a housing structure of a high-speed connector according to the present invention.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1-7, a housing structure of a high-speed connector includes a lower die-casting shell 100 and an upper die-casting shell 200 that are engaged with each other, a cavity a with an opening at the top and the left and right sides is formed between the lower die-casting shell 100 and the upper die-casting shell 200, grooves 110 are symmetrically disposed on the front and rear sides of the lower die-casting shell 100, engaging portions 210 coupled with the grooves 110 are disposed on the upper die-casting shell 200, first limiting portions 220 that abut against the inner wall of the lower die-casting shell 100 are disposed on the front and rear sides of the bottom of the upper die-casting shell 200, second limiting portions 230 are disposed on the sides of the front and rear sides of the bottom of the upper die-casting shell 200, which are located at the sides of the first limiting portions 220 away from the engaging portions 210, The lower die casting shell 100 is propped against the opposite sides of the two second limiting parts 230 respectively, the right side of the second limiting parts 230 is provided with a first inclined surface b propped against the lower die casting shell 100, one side of the upper die casting shell 200 far away from the lower die casting shell 100 is clamped with an end cover 300, a PCB 400 with a golden finger is arranged between the lower die casting shell 100 and the upper die casting shell 200 and in the cavity a, the inner wall of the lower die casting shell 100 is provided with a first positioning bulge 120 propped against the PCB 400, the inner wall of the upper die casting shell 200 is provided with a second positioning bulge 240 propped against the PCB 400, the PCB 400 is welded with a QSFP-DD connector 500, the die-casting unlocking piece 600 is sleeved at one end of the die-casting lower shell 100 and the die-casting upper shell 200, which is far away from the clamping part 210, the die-casting lower shell 100 is provided with the stop piece 700 which is matched with the die-casting unlocking piece 600, the stop piece 700 is provided with the elastic piece 800 which is propped against the die-casting unlocking piece 600, and the die-casting lower shell 100, the die-casting upper shell 200, the end cover 300, the die-casting unlocking piece 600, the stop piece 700 and the elastic piece 800 are all made of metal pieces, so that the quick heat dissipation of the PCB 400 and the QSFP-DD connector 500 is facilitated, and the situation that the service life is short and the like due to damage of the connector caused by overhigh temperature is avoided; In the assembly process, the clamping part 210 on the upper die-casting shell 200 is firstly hooked and limited with the groove 110 on the lower die-casting shell 100, the first limiting parts 220 on the front side and the rear side of the bottom of the upper die-casting shell 200 are propped against the front side and the rear side of the inner wall of the lower die-casting shell 100, the second limiting parts 230 on the front side and the rear side of the bottom of the upper die-casting shell 200 are propped against the front side and the rear side of the lower die-casting shell 100, the front and rear limiting parts of the left and right staggered crossed inner walls propping against the outer wall are formed, the first inclined surface b on the right side of the second limiting part 230 on the bottom of the upper die-casting shell 200 is utilized to form left and right limiting with the clamping part 210, And further, the clamping contact area of the lower die-casting shell 100 and the upper die-casting shell 200 is increased, the stress of each contact part of the lower die-casting shell 100 and the upper die-casting shell 200 is more uniform, finally, the end, far away from the clamping part 210, of the lower die-casting shell 100 and the upper die-casting shell 200 is sleeved with the die-casting unlocking piece 600, and further, the end, relatively far away from the clamping part 210, of the lower die-casting shell 100 and the upper die-casting shell 200 is limited up and down, left and right, the area of each stress contact point between the lower die-casting shell 100 and the upper die-casting shell 200 is further increased, namely, the stress of each contact part of the lower die-casting shell 100 and the upper die-casting shell 200 is more uniform and the clamping is more stable, The mounting, dismounting and maintaining are realized in a simple and convenient clamping manner, the supporting stress connection stability and the deformation resistance of the shell structure are improved, the situations that the connector is complicated to assemble and low in efficiency and the like caused by the fact that the connector needs to be matched with a corresponding screwdriver tool for mounting and dismounting in the mounting and dismounting process due to the fact that the traditional screw is adopted for connection are avoided, meanwhile, the PCB 400 with golden fingers and the QSFP-DD connector 500 are arranged in the cavity a formed between the die-casting lower shell 100 and the die-casting upper shell 200, so that the connector can be quickly adapted to different cables and the same QSFP-DD connector 500 for use, Furthermore, the connector improves the application range, the use convenience and the multifunctional assembly and use, in addition, as the top of the die-casting upper shell 200 is selectively plugged by adopting the end cover 300, the connector only needs to detach the end cover 300 in the process of overhauling and plugging and wire changing the PCB 400 with golden fingers and the QSFP-DD connector 500, and the stop piece 700 and the die-casting unlocking piece 600 do not need to detach from the die-casting lower shell 100 and the die-casting upper shell 200, namely, the assembly and disassembly steps are simplified, the maintenance procedure is simplified, simultaneously, the PCB 400 is mutually propped and limited by the first positioning bulge 120 on the die-casting lower shell 100 and the second positioning bulge 240 on the die-casting upper shell 200 respectively, And then the connector can also simultaneously overhaul the PCB 400 with golden fingers and the QSFP-DD connector 500 when the stop piece 700 and the die-casting unlocking piece 600 are detached from the die-casting lower shell 100 and the die-casting upper shell 200, namely, the use of screws is further reduced, the use convenience of the connector is improved, namely, the technical effects of simple structure, convenient installation, disassembly and assembly are realized, and meanwhile, cables of different types and the same road board are adapted to be connected in a quick communication manner.

Further, as shown in fig. 4 and 6, the groove 110 includes a first horizontal groove wall 111, a first arc groove wall 112, a first vertical groove wall 113, a second arc groove wall 114, an inclined groove wall 115, a third arc groove wall 116, a second vertical groove wall 117 and a fourth arc groove wall 118 which are sequentially connected, the clamping portion 210 includes a first arc concave surface 211, a first vertical surface 212, a second arc concave surface 213, a second inclined surface 214, a first arc convex surface 215, a second vertical surface 216, a second arc convex surface 217 and a horizontal end surface 218 which are sequentially connected, and a certain assembly gap is provided between the horizontal end surface 218 and the first horizontal groove wall 111 after the groove 110 and the clamping portion 210 are clamped and assembled; by obliquely engaging the engaging portion 210 of the die-casting upper case 200 in the groove 110 of the die-casting lower case 100, namely, making the first arc-shaped convex surface 215 of the engaging portion 210 contact with the inclined groove wall 115 of the groove 110 in advance and rotationally closing the die-casting upper case 200 and the die-casting lower case 100, further making the first arc-shaped concave surface 211, the first vertical surface 212, the second arc-shaped concave surface 213, the second inclined surface 214, the first arc-shaped convex surface 215 and the second vertical surface 216 of the engaging portion 210 abut against the die-casting lower case 100, namely, realizing left and right limiting, by respectively coupling the fourth arc-shaped groove wall 118, the second vertical groove wall 117, the third arc-shaped groove wall 116, the inclined groove wall 115, the second arc-shaped groove wall 114 and the first vertical groove wall 113 of the groove 110, meanwhile, as a certain assembly gap is formed between the horizontal end surface 218 and the first horizontal groove wall 111 after the groove 110 and the clamping part 210 are clamped and assembled, namely, a certain rotation space is formed between the die-casting upper shell 200 and the die-casting lower shell 100 in the clamping process, the situation that the clamping part 210 on the die-casting upper shell 200 or the groove 110 on the die-casting lower shell 100 affects the stability, the use convenience, the service life and the like of the connector due to the fact that the clamping part 210 cannot be rotationally coupled relative to the groove 110 in the coupling process is avoided, and simultaneously, the clamping process of the groove 110 and the clamping part 210 is more convenient to adjust due to the fact that the first arc groove wall 112, the second arc groove wall 114, the third arc groove wall 116, the fourth arc groove wall 118, the first arc concave surface 211, the second arc concave surface 213, the first arc convex surface 215, the second arc convex surface 217 and the like on the clamping part 210 are arranged in the groove 110, the occurrence of the conditions that the whole assembly stability of the connector is influenced due to locking or deformation in the clamping process of the corner is avoided.

Further, the second positioning protrusions 240 are disposed in the middle of opposite sides of the two clamping portions 210, and the right ends of the second limiting portions 230 extend and are integrally connected with the second positioning protrusions 240 and the clamping portions 210, that is, the opposite sides of the two second limiting portions 230 are respectively connected with the first arc-shaped concave surface 211, the first vertical surface 212, the second arc-shaped concave surface 213, the second inclined surface 214 and the first arc-shaped convex surface 215, so that deformation resistance strength between the first arc-shaped concave surface 211, the first vertical surface 212, the second arc-shaped concave surface 213, the second inclined surface 214 and the first arc-shaped convex surface 215 on the clamping portion 210 of the die-casting upper shell 200 and the second limiting portions 230 is improved, that is, installation stability, deformation resistance performance and service life of the connector are further improved, and the situation that the installation stability, convenience in use and service life of the connector are affected by deformation of the clamping portion 210 on the die-casting upper shell 200 in the coupling process due to multiple rotation of the clamping portion 210 relative to the groove 110 is avoided.

Further, the cross section of the contact position between the first limiting part 220 and the second limiting part 230 on the die-casting lower shell 100 is in a Z-shaped structure, namely, the Z-shaped structure on the die-casting lower shell 100 is used to respectively form a situation that the left-right dislocation cross type inner wall supports against the first limiting part 220 and the second limiting part 230 on the die-casting upper shell 200, and the front-back limitation is mutually supported by the outer wall, meanwhile, the manufacturing material consumption of the die-casting lower shell 100 is reduced, so that the connector is suitable for the assembly of a narrow installation space, meanwhile, the bottom of the inner wall of the die-casting lower shell 100 is provided with grid-shaped reinforcing ribs f, the reinforcing ribs f are connected with two sides of the Z-shaped structure, the deformation resistance of the connector is further improved, the contact area between the connector and air is increased, namely, the heat conductivity of the connector is improved, the situation that the connector is damaged due to overhigh temperature is avoided, the service life is short, and the like is avoided, and finally, one side of the reinforcing ribs f far away from the QSFP-DD connector 500 is provided with an inclined guide surface g, so that the end heads of the QSFP-DD connector 500 can be quickly horn-shaped, the cable can be quickly limited and guided when different cables are connected, and the connector can be further conveniently pulled out.

Further, the third inclined surface c propping against the upper die-casting shell 200 is disposed at the end of the lower die-casting shell 100 away from the groove 110, so that the propping force bearing area of the upper die-casting shell 200 and the lower die-casting shell 100 in the left-right direction is further increased, and meanwhile, the installation stability and the assembly convenience are not affected due to the blocking of the third inclined surface c in the process of rotationally coupling the upper die-casting shell 200 with respect to the lower die-casting shell 100.

Further, the positioning groove 250 is formed in the bottom of the die-casting upper shell 200, the locking spring 260 is detachably arranged in the positioning groove 250, the locking spring 260 in the positioning groove 250 can selectively clamp and limit a cable plugged with the QSFP-DD connector 500, the situation that the service stability of the connector is affected due to the fact that the cable is easy to fall off relative to the QSFP-DD connector 500 in the stress process is avoided, meanwhile, the locking spring 260 is arranged in the positioning groove 250 of the die-casting upper shell 200, so that when the connector is plugged with different cables and the QSFP-DD connector 500, the locking spring 260 can be shifted only by disassembling the end cover 300, and further, the replacement of the different cables and the QSFP-DD connector 500 is facilitated.

Further, the end cover 300 includes the first metal cover 310 and the second metal cover 320, the first metal cover 310 is clamped on the die-casting upper shell 200 and is located above the PCB board 400, the second metal cover 320 is clamped on the die-casting upper shell 200 and is located at the left side of the first metal cover 310, that is, the first metal cover 310 and the second metal cover 320 can selectively seal the upper part of the PCB board 400 and the QSFP-DD connector 500 and the upper part of the cable respectively, that is, the shell structure of the connector is further convenient to overhaul and maintain, and the situations of complex installation and disassembly, resource waste, high replacement and maintenance cost, short service life and the like caused by easy deformation and damage in the process of disassembling the local structure of the product due to large-area disassembly are avoided.

Further, the front side and the rear side of the die-casting upper case 200 are respectively provided with a clamping block 270 clamped with the first metal cover 310 and the second metal cover 320, and the first metal cover 310 and the second metal cover 320 are respectively provided with a positioning hole 330 matched with the clamping block 270.

It should be noted that, the technical solution may also be that the front side and the rear side of the die-casting upper shell 200 are provided with holes for clamping the first metal cover 310 and the second metal cover 320, and the first metal cover 310 and the second metal cover 320 are provided with positioning protrusions adapted to the fixture block 270, so long as the die-casting upper shell 200 and the first metal cover 310 and the second metal cover 320 are guaranteed to be fast clamped, installed, disassembled and maintained.

Further, the top surface of the clamping block 270 is the inclined surface 271, so that the first metal cover 310 and the second metal cover 320 are convenient to be fast guided and clamped in the clamping process of the relative die-casting upper shell 200, and the first metal cover 310 or the second metal cover 320 is limited by the horizontal stop surface 272 on the bottom surface of the clamping block 270, so that the part of the shell structure of the connector is fast installed, dismounted and maintained.

Further, the distances between the front end face and the rear end face of the die-casting lower shell 100, the die-casting upper shell 200, the die-casting unlocking piece 600, the front end face of the first metal cover 310 and the rear end face of the second metal cover 320 are equal, the right-side cross section of the die-casting lower shell 100 assembled with the die-casting upper shell 200, the die-casting unlocking piece 600, the right-side cross section of the first metal cover 310 and the right-side cross section of the second metal cover 320 are rectangular, namely the right-side cross section of the whole peripheral structure of the connector is rectangular, and the connector is convenient to insert and extract rapidly.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (3)

1. The utility model provides a shell structure of high-speed connector, includes die-casting inferior valve (100) and die-casting epitheca (200) of mutual block, forms top and left and right sides open-type cavity (a), its characterized in that between die-casting inferior valve (100) and die-casting epitheca (200): the front side and the rear side of the die-casting lower shell (100) are symmetrically provided with grooves (110), the die-casting upper shell (200) is provided with clamping parts (210) which are coupled with the grooves (110), the front bottom side and the rear bottom side of the die-casting upper shell (200) are respectively provided with first limiting parts (220) which are propped against the inner wall of the die-casting lower shell (100), the front bottom side and the rear bottom side of the die-casting upper shell (200) are respectively provided with second limiting parts (230) which are positioned at one side of the first limiting parts (220) far away from the clamping parts (210), the die-casting lower shell (100) is respectively propped against two second limiting parts (230), the right side of the second limiting parts (230) is provided with a first inclined surface (b) which is propped against the die-casting lower shell (100), one side of the die-casting upper shell (200) far away from the die-casting lower shell (100) is respectively provided with an end cover (300), a PCB (400) with golden fingers is arranged between the die-casting lower shell (100) and the upper shell (200) and positioned in a cavity (a), the inner wall of the die-casting lower shell (100) is provided with a PCB (400) which is propped against the inner wall of the PCB (400), the first PCB (120) which is provided with a boss (120), and the boss (400) is welded with the PCB (400), one end, far away from the clamping part (210), of the die-casting lower shell (100) and the die-casting upper shell (200) is sleeved with a die-casting unlocking piece (600), a stop piece (700) matched with the die-casting unlocking piece (600) is arranged on the die-casting lower shell (100), and an elastic piece (800) propped against the die-casting unlocking piece (600) is arranged on the stop piece (700);

The groove (110) comprises a first horizontal groove wall (111), a first arc groove wall (112), a first vertical groove wall (113), a second arc groove wall (114), an inclined groove wall (115), a third arc groove wall (116), a second vertical groove wall (117) and a fourth arc groove wall (118) which are sequentially connected, the clamping part (210) comprises a first arc concave surface (211), a first vertical surface (212), a second arc concave surface (213), a second inclined surface (214), a first arc convex surface (215), a second vertical surface (216), a second arc convex surface (217) and a horizontal end surface (218) which are sequentially connected, and a certain assembly gap is reserved between the horizontal end surface (218) and the first horizontal groove wall (111) after the groove (110) is clamped and assembled with the clamping part (210);

The second positioning protrusions (240) are positioned in the middle of opposite sides of the two clamping portions (210), the right ends of the first limiting portions (220) extend and are connected with the second positioning protrusions (240) and the clamping portions (210) into a whole, namely, the other sides of the two first limiting portions (220) are respectively connected with the first arc-shaped concave surface (211), the first vertical surface (212), the second arc-shaped concave surface (213), the second inclined surface (214) and the first arc-shaped convex surface (215);

The cross section of the die-casting lower shell (100) at the contact position of the first limiting part (220) and the second limiting part (230) is of a Z-shaped structure, the bottom of the die-casting upper shell (200) is provided with a positioning groove (250), and a locking spring piece (260) is detachably arranged in the positioning groove (250);

The end cover (300) comprises a first metal cover (310) and a second metal cover (320), wherein the first metal cover (310) is clamped on the die-casting upper shell (200) and is positioned above the PCB (400), and the second metal cover (320) is clamped on the die-casting upper shell (200) and is positioned at the left side of the first metal cover (310);

The front side and the rear side of the die-casting upper shell (200) are respectively provided with a clamping block (270) which is clamped with the first metal cover (310) and the second metal cover (320), positioning holes (330) which are matched with the clamping blocks (270) are respectively formed in the first metal cover (310) and the second metal cover (320), the top surface of the clamping blocks (270) is an inclined surface (271), and the bottom surface of the clamping blocks (270) is a horizontal stop surface (272).

2. The housing structure of a high-speed connector according to claim 1, wherein: one end of the die casting lower shell (100) far away from the groove (110) is provided with a third inclined surface (c) propped against the die casting upper shell (200).

3. The housing structure of a high-speed connector according to claim 1, wherein: the space between the front end face and the rear end face of the die-casting lower shell (100), the space between the front end face and the rear end face of the die-casting upper shell (200), the space between the die-casting unlocking piece (600), the space between the front end face and the rear end face of the first metal cover (310) and the space between the front end face and the rear end face of the second metal cover (320) are equal, and the right-side cross section of the die-casting lower shell (100) assembled with the die-casting upper shell (200), the die-casting unlocking piece (600), the first metal cover (310) and the right-side cross section of the die-casting unlocking piece (320) are rectangular.