A rectangular high-speed differential signal connector

Abstract

The present invention provides a rectangular high-speed differential signal connector, which solves the problem that the existing high-speed differential signal connector has a complex structure to realize the anti-rotation function of the contact body, requires many mating parts, and cannot meet the requirements of miniaturization, small space occupation, easy disassembly and assembly, low cost, strong environmental resistance, and light weight. The high-speed differential signal connector includes a plug and a socket that are connected to each other; the plug includes a plug housing, a plurality of hole-mounted differential contact bodies, a plug accessory pressure plate, and a first positioning component, and the socket includes a socket housing, a plurality of needle-mounted differential contact bodies, a socket accessory pressure plate, and a second positioning component. The present invention has the function of anti-rotation of the contact body, and the structure uses fewer parts, saves costs and production cycles, is small in size, light in weight, easy to maintain, easy to use, has strong environmental resistance, a simple and practical product positioning method, and can realize the transmission of high-speed differential signals.

Description

Technical Field

[0001] The invention belongs to the technical field of differential connectors, and in particular relates to a rectangular high-speed differential signal connector. Background Art

[0002] With the continuous upgrading of information transmission systems, the amount of data transmitted by communication systems is increasing, and the corresponding communication systems have higher and higher requirements for electrical connectors. The contact body of the existing differential signal connector is prone to rotation during docking, which affects the transmission of signals. In addition, while the transmission rate of electrical connectors is constantly improving, they must also meet the characteristics of miniaturization, small footprint, easy disassembly and assembly, low cost, strong environmental resistance, and light weight. The existing differential signal connectors cannot meet the above requirements. Summary of the invention

[0003] In order to solve the above technical problems, the present invention provides a rectangular high-speed differential signal connector which is small in size, easy to install, easy to maintain, low in cost and has a contact body anti-rotation function.

[0004] In order to achieve the above-mentioned object, the present invention adopts the following technical scheme: a rectangular high-speed differential signal connector, comprising a plug and a socket connected to each other; the plug comprises a plug housing, a plurality of hole-mounted differential contacts, a plug accessory pressure plate, and a first positioning assembly; the plug housing and the plug accessory pressure plate are fastened and fixed, the plurality of hole-mounted differential contacts are axially fixed in the plug housing and the plug accessory pressure plate, and the first positioning assembly is respectively installed on the left and right sides of the plug housing;

[0005] The socket comprises a socket housing, a plurality of needle-mounted differential contacts, a socket accessory pressure plate, and a second positioning assembly; the socket housing and the socket accessory pressure plate are buckled and fixed, the plurality of needle-mounted differential contacts are axially fixed in the socket housing and the socket accessory pressure plate, and the second positioning assembly is respectively provided on the left and right sides of the socket housing;

[0006] When the plug and the socket are connected, the first positioning assembly cooperates with the second positioning assembly to achieve pre-positioning, the hole-mounted differential contact body and the needle-mounted differential contact body are connected, and then locked and fixed by the first positioning assembly and the second positioning assembly.

[0007] Further, the plug housing comprises a first rectangular substrate, a step-type positioning block, and a docking protrusion, wherein the docking protrusion is placed in the middle position of the upper surface of the first rectangular substrate, the step-type positioning block comprises a first rectangular block connected to the lower surface of the first rectangular substrate, and a second rectangular block connected to one side of the bottom end of the first rectangular block, a plurality of first anti-rotation holes are opened inside the first rectangular block, the first anti-rotation hole is a circular through hole with a first anti-rotation key groove on one side, and a plurality of first circular through holes corresponding to the positions of the plurality of first anti-rotation holes are penetrated through the docking protrusion and the first rectangular substrate, a first half-hole cavity corresponding to the position of the first anti-rotation hole is opened axially on the inner wall of the second rectangular block, the head end of the hole-mounted differential contact body is fixed through the first anti-rotation hole and the first circular through hole in sequence, the tail end is placed in the first half-hole cavity, and first screw holes are respectively provided on both sides of the bottom end of the second rectangular block;

[0008] The left and right ends of the first rectangular substrate are respectively provided with second screw holes for installing the first positioning component. The first positioning component includes a standard screw II, a standard spring washer and a rivet sleeve. The standard spring washer is sleeved on the outer periphery of the standard screw II. The top end of the standard screw II passes through the second screw hole. The rivet sleeve is sleeved on the bottom end of the standard screw II and the outside of the standard spring washer. The top end of the rivet sleeve is riveted and fixed to the second screw hole.

[0009] Furthermore, the plug accessory pressure plate includes an outer shell, a third rectangular block is provided inside the outer shell, a plurality of second half-hole cavities are axially opened on the third rectangular block, a first positioning ring groove is provided at the top of the second half-hole cavity, the third rectangular block and the inner surface of the outer shell form a step surface, and two second circular through holes are provided at the top of the outer shell, and third screw holes are respectively provided on both sides of the bottom end, and the two second circular through holes and each third screw hole are fixed to the plug shell by installing standard screws I.

[0010] Furthermore, the hole-mounted differential contact body includes a contact body body, a first annular boss is provided on the outer periphery of the front end of the contact body body, and a first anti-rotation key is provided at the front end of the first annular boss and extends axially toward the front end of the contact body body. The first anti-rotation key cooperates with the first anti-rotation key slot to achieve anti-rotation of the hole-mounted differential contact body, the end face of the first positioning ring groove contacts the end face of the first annular boss, and the front end face of the first annular boss contacts the lower surface of the first rectangular block to achieve axial positioning of the hole-mounted differential contact body.

[0011] Further, the socket housing comprises a second rectangular substrate, a rectangular positioning block and a docking convex ring, the docking convex ring is placed in the middle position of the upper surface of the second rectangular substrate, a plurality of second anti-rotation holes are opened on the second rectangular substrate, the second anti-rotation holes are circular through holes with a second anti-rotation key slot on one side, the rectangular positioning block is placed on one side of the lower surface of the second rectangular substrate, a plurality of third semi-hole cavities corresponding to the positions of the second anti-rotation holes are opened axially on the inner wall of the rectangular positioning block, the head end of the needle differential contact body passes through the second anti-rotation hole, and the tail end is placed in the third semi-hole cavity, and two fourth screw holes are respectively provided on the left and right end surfaces of the rectangular positioning block;

[0012] Fifth screw holes for installing the second positioning component are respectively provided at the left and right ends of the second rectangular substrate. The second positioning component includes a standard hexagonal nut, a sleeve and a positioning piece. The sleeve is placed below the fifth screw hole. The head of the positioning piece passes through the sleeve and is fixed with a standard hexagonal nut. A positioning hole is provided at the end of the positioning piece.

[0013] Furthermore, a sealing gasket is bonded and fixed to the upper surface of the second rectangular substrate inside the butting convex ring, and a third circular through hole for the needle differential contact body to pass through is provided on the sealing gasket.

[0014] Furthermore, the socket accessory pressure plate includes a rectangular block body with an open groove on the upper surface of the rectangular block body, a plurality of fourth semi-hole cavities are axially opened on the inner wall of the rectangular block body, a second positioning ring groove is provided at the top of the fourth semi-hole cavity, and two sixth screw holes are respectively provided on the left and right end surfaces of the rectangular block body, and fixation with the socket housing is achieved by installing a standard screw I in each sixth screw hole.

[0015] Furthermore, the needle-loading differential contact body includes a contact body body, a second annular boss is provided at the front end of the contact body body, and a second anti-rotation key extending axially toward the front end of the contact body body is provided at the front end of the second annular boss, the second anti-rotation key cooperates with the second anti-rotation key slot to realize anti-rotation of the needle-loading differential contact body, the end face of the second positioning ring groove contacts the end face of the second annular boss, and the front end face of the second annular boss contacts the lower surface of the second rectangular substrate, thereby realizing axial positioning of the needle-loading differential contact body.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] (1) The plug housing and the hole-mounted differential signal contact body, as well as the socket housing and the pin-mounted differential signal contact body of the product of the present invention are positioned by means of anti-rotation keyways. The shielded wire signal is directly connected to the shell, eliminating the need for secondary shielding and grounding processing, and has the function of preventing the differential signal contact body from rotating. The axial positioning of the hole-mounted differential signal contact body and the pin-mounted differential signal contact body is then achieved through the cooperation of the socket housing, the plug housing and their accessory pressure plate. The positioning method is simple and practical, and has high reliability, ensuring that the contact body can achieve good signal transmission.

[0018] (2) The plug and socket are connected by a double positioning structure. The socket shell and the plug shell are first pre-positioned by a docking convex ring and a docking convex block, and then the differential contact bodies are connected. Finally, the positioning assembly is used for locking and positioning, ensuring a good docking.

[0019] (3) All product parts can be flexibly disassembled, making them maintainable and easy to use.

[0020] (4) The connector uses a rectangular interface structure, which increases the contact density and saves product installation space.

[0021] (5) A sealing gasket is designed at the socket docking end to prevent dust and water after the plug and socket are docked, thereby improving the environmental resistance of the product.

[0022] In summary, the present invention has the function of preventing the contact body from rotating, and the structure uses fewer parts, saves costs and production cycles, has a small size, light weight, is easy to maintain, easy to use, has strong environmental resistance, a simple and practical product positioning method, and can realize high-speed differential signal transmission. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the structure of the plug;

[0024] Figure 2 yes Figure 1 Left view of

[0025] Figure 3 It is a three-dimensional structural diagram of the plug;

[0026] Figure 4 is a schematic diagram of the structure of the plug housing;

[0027] Figure 5 is a schematic diagram of the top structure of the plug housing;

[0028] Figure 6 It is a schematic diagram of the structure of the plug accessory pressure plate;

[0029] Figure 7 It is a schematic diagram of the structure of the hole-mounted differential contact body;

[0030] Figure 8It is a schematic diagram of the structure of standard screw II;

[0031] Fig. 9 It is a schematic diagram of the structure of a standard spring washer;

[0032] Fig.10 It is a structural schematic diagram of the rivet sleeve;

[0033] Fig.11 It is a schematic diagram of the structure of the socket;

[0034] Fig.12 yes Fig.11 Left view of

[0035] Fig.13 It is a schematic diagram of the three-dimensional structure of the socket;

[0036] Fig.14 is a schematic diagram of the structure of the socket housing;

[0037] Fig.15 is a schematic diagram of the top structure of the socket housing;

[0038] Fig.16 It is a schematic diagram of the structure of the socket accessory pressure plate;

[0039] Fig.17 It is a schematic diagram of the structure of the needle-mounted differential contact body;

[0040] Fig.18 It is a schematic diagram of the structure of the sleeve;

[0041] Fig.19 It is a structural schematic diagram of the positioning member;

[0042] Fig. 20 It is a schematic diagram of the structure of the sealing gasket;

[0043] Fig.21 It is a schematic diagram of the overall structure of the rectangular high-speed differential signal connector of the present invention;

[0044] In the figure:

[0045] 1-plug housing; 1-1 first rectangular substrate; 1-11-first circular through hole; 1-12-second screw hole; 1-13-first mounting hole; 1-2-step-type positioning block; 1-21-first rectangular block; 1-211-first anti-rotation hole; 1-211-1-first anti-rotation keyway; 1-22-second rectangular block; 1-221-first half hole cavity; 1-222 first screw hole; 1-3-docking protrusion; 2-hole differential contact body; 2-1-first annular boss; 2-2-first anti-rotation key; 3-plug accessory pressure plate; 3-1-outer housing; 3-11-second circular through hole; 3-12-third screw hole; 3-2-third rectangular block; 3-21-second half hole cavity; 4-first positioning assembly; 4-1-standard screw II; 4-2-standard spring washer; 4-3-rivet sleeve; 5-socket housing; 5-1-second rectangular base plate; 5-11-second anti-rotation hole; 5-11-1-second anti-rotation keyway; 5-12-fifth screw hole; 5-13-second mounting hole; 5-2-rectangular positioning block; 5-21-third semi-hole cavity; 5-22-fourth screw hole; 5-3-docking convex ring; 6-needle differential contact body; 6-1-second annular boss; 6-2-second anti-rotation key; 7-socket accessory pressure plate; 7-1-rectangular block body; 7-11-sixth screw hole; 7-2-fourth semi-hole cavity; 7-21-second positioning ring groove; 8-second positioning assembly; 8-1-standard hexagonal nut; 8-2-sleeve; 8-3-positioning piece; 8-31-positioning hole; 9-standard screw I; 10-sealing pad; 10-1-third circular through hole. DETAILED DESCRIPTION

[0046] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0047] Example

[0048] Reference Fig.21 , a rectangular high-speed differential signal connector, comprising a plug and a socket that are mated with each other; Figure 1 The plug includes a plug housing 1, a plurality of hole-mounted differential contacts 2, a plug accessory pressure plate 3, and a first positioning component 4; the plug housing 1 and the plug accessory pressure plate 3 are fastened and fixed, the plurality of hole-mounted differential contacts 2 are axially fixed in the plug housing 1 and the plug accessory pressure plate 3, and the first positioning components 4 are respectively installed on the left and right sides of the plug housing 1;

[0049] Reference Fig.11The socket comprises a socket housing 5, a plurality of needle-mounted differential contacts 6, a socket accessory pressing plate 7, and a second positioning assembly 8; the socket housing 5 and the socket accessory pressing plate 7 are buckled and fixed, the plurality of needle-mounted differential contacts 6 are axially fixed in the socket housing 5 and the socket accessory pressing plate 7, and the second positioning assembly 8 is respectively provided on the left and right sides of the socket housing 5;

[0050] When the plug and the socket are connected, the first positioning assembly 4 cooperates with the second positioning assembly 8 to achieve pre-positioning, the hole-mounted differential contact body 2 and the needle-mounted differential contact body 6 are connected, and then locked and fixed by the first positioning assembly 4 and the second positioning assembly 8.

[0051] Reference Figure 4-Figure 5 The plug housing 1 includes a first rectangular substrate 1-1, a step-type positioning block 1-2, and a docking protrusion 1-3. The docking protrusion 1-3 is placed in the middle of the upper surface of the first rectangular substrate 1-1. The step-type positioning block 1-2 includes a first rectangular block 1-21 connected to the lower surface of the first rectangular substrate 1-1, and a second rectangular block 1-22 connected to one side of the bottom end of the first rectangular block 1-21. A plurality of first anti-rotation holes 1-211 are opened inside the first rectangular block 1-21. The first anti-rotation hole 1-211 is a first anti-rotation key slot 1-211-1 on one side. A circular through hole, and a plurality of first circular through holes 1-11 corresponding to the positions of the plurality of first anti-rotation holes 1-211 are penetrated on the docking protrusion 1-3 and the first rectangular substrate 1-1, and a first semi-hole cavity 1-221 corresponding to the position of the first anti-rotation hole 1-211 is axially opened on the inner wall of the second rectangular block 1-22, and the head end of the hole-mounted differential contact body 2 is fixed through the first anti-rotation hole 1-211 and the first circular through hole 1-11 in sequence, and the tail end is placed in the first semi-hole cavity 1-221, and first screw holes 1-222 are respectively provided on both sides of the bottom end of the second rectangular block 1-22;

[0052] The left and right ends of the first rectangular substrate 1-1 are respectively provided with second screw holes 1-12 for installing the first positioning component 4. The first positioning component 4 includes a standard screw II 4-1, a standard spring washer 4-2 and a rivet sleeve 4-3. The standard spring washer 4-2 is sleeved on the outer periphery of the standard screw II 4-1. The top of the standard screw II 4-1 passes through the second screw hole 1-12. The rivet sleeve 4-3 is sleeved on the bottom end of the standard screw II 4-1 and the outside of the standard spring washer 4-2. The top end of the rivet sleeve 4-3 is riveted and fixed to the second screw hole 1-12. The bottom end of the rivet sleeve 4-3 is provided with a closing structure to prevent the standard screw II 4-1 from falling out (refer to Figure 2-Figure 3 , Figure 8-Figure 10 ).

[0053] Reference Figure 6The plug accessory pressure plate 3 includes an outer shell 3-1, a third rectangular block 3-2 is arranged inside the outer shell 3-1, a plurality of second half-hole cavities 3-21 are axially opened on the third rectangular block 3-2, a first positioning ring groove 3-21 is arranged at the top of the second half-hole cavity 3-21, the third rectangular block 3-2 and the inner surface of the outer shell 3-1 form a step surface, the shape of which matches the step surface of the step-type positioning block 1-2, the fixed plug shell 1 and the plug accessory pressure plate 3 are buckled and fixed to form a rectangular structure, and two second circular through holes 3-11 are arranged at the top of the outer shell 3-1, and third screw holes 3-12 are respectively arranged on both sides of the bottom end, and the two second circular through holes 3-11 and each third screw hole 3-12 are fixed to the plug shell 1 by installing standard screws Ⅰ9, and the first half-hole cavity 1-221 and the second half-hole cavity 3-21 at the corresponding positions constitute a complete hole cavity that covers the tail end of the hole-mounted differential contact body 2.

[0054] Reference Figure 7 The hole-mounted differential contact body 2 includes a contact body body, a first annular boss 2-1 is provided on the outer periphery of the front end of the contact body body, and a first anti-rotation key 2-2 is provided at the front end of the first annular boss 2-1 and extends toward the front end along the axial direction of the contact body body. The first anti-rotation key 2-2 cooperates with the first anti-rotation key groove 1-211-1 to realize the anti-rotation of the hole-mounted differential contact body 2, the end face of the first positioning ring groove 3-211 contacts the end face of the first annular boss 2-1 for blocking cooperation, and the front end face of the first annular boss 2-1 contacts the lower surface of the first rectangular block 1-21 for blocking cooperation, thereby realizing the axial positioning of the hole-mounted differential contact body 2.

[0055] Reference Figure 14-15 The socket housing 5 comprises a second rectangular substrate 5-1, a rectangular positioning block 5-2 and a docking convex ring 5-3. The docking convex ring 5-3 is placed in the middle position of the upper surface of the second rectangular substrate 5-1 and is used to cooperate with the docking convex ring 1-3 to achieve docking between the plug and the socket. A plurality of second anti-rotation holes 5-11 are provided on the second rectangular substrate 5-1. The second anti-rotation holes 5-11 are circular through holes with a second anti-rotation key slot 5-11-1 on one side. The rectangular positioning block 5-2 is placed on one side of the lower surface of the second rectangular substrate 5-1. A plurality of third semi-hole cavities 5-21 corresponding to the positions of the second anti-rotation holes 5-11 are provided on the inner wall of the rectangular positioning block 5-2 in the axial direction. The head end of the needle differential contact body 6 passes through the second anti-rotation hole 5-11, and the tail end is placed in the third semi-hole cavity 5-21. Two fourth screw holes 5-22 are respectively provided on the left and right end surfaces of the rectangular positioning block 5-2.

[0056] The left and right ends of the second rectangular substrate 5-1 are respectively provided with fifth screw holes 5-12 for installing the second positioning assembly 8. The second positioning assembly 8 includes a standard hexagonal nut 8-1, a sleeve 8-2 and a positioning member 8-3. The sleeve 8-2 is placed below the fifth screw hole 5-12. The head of the positioning member 8-3 is provided with a thread, and the head is directed to pass through the sleeve 8-2 and is fixed with a standard hexagonal nut 8-1. The end of the positioning member 8-3 is provided with a positioning hole 8-31 (refer to Figure 12-13 , Figure 18-19 ).

[0057] A sealing pad 10 is bonded and fixed on the upper surface of the second rectangular substrate 5-1 inside the butt convex ring 5-3. The sealing pad 10 is provided with a third circular through hole 10-1 for the needle differential contact body 6 to pass through. Fig. 20 .

[0058] Reference Fig.16 The socket accessory pressing plate 7 includes a rectangular block body 7-1, an open groove is provided on the upper surface of the rectangular block body 7-1, and a plurality of fourth semi-cavities 7-2 are axially opened on the inner wall of the rectangular block body 7-1, and a second positioning ring groove 7-21 is provided at the top of the fourth semi-cavity 7-2, and two sixth screw holes 7-11 are respectively provided on the left and right end surfaces of the rectangular block body 7-1, and the standard screws Ⅰ9 are installed in each sixth screw hole 7-11 to fix it with the socket housing 5. After the fixing, the socket housing 5 and the socket accessory pressing plate 7 are buckled and fixed to form a rectangular structure, and the third semi-cavity 5-21 and the fourth semi-cavity 7-2 at the corresponding positions constitute a complete cavity body that covers the tail end of the needle differential contact body 6.

[0059] Reference Fig.17 The needle-loading differential contact body 6 includes a contact body body, a second annular boss 6-1 is provided at the front end of the contact body body, and a second anti-rotation key 6-2 extending axially toward the front end of the contact body body is provided at the front end of the second annular boss 6-1. The second anti-rotation key 6-2 cooperates with the second anti-rotation key groove 5-11-1 to realize the anti-rotation of the needle-loading differential contact body 6, and the end surface of the second positioning ring groove 7-21 contacts the end surface of the second annular boss 6-1 for blocking cooperation, and the front end surface of the second annular boss 6-1 contacts the lower surface of the second rectangular substrate 5-1 for blocking cooperation, thereby realizing the axial positioning of the needle-loading differential contact body 6.

[0060] The process of docking the plug and the socket: When the plug and the socket are docked, the docking protrusion 1-2 and the docking protrusion ring 5-3 are first aligned, and the docking protrusion 1-2 is inserted into the docking protrusion ring 5-3. Then the hole-mounted differential contact body 2 and the needle-mounted differential contact body 6 are docked. The sealing gasket 10 ensures the dustproof and waterproof performance of the plug and the socket after docking. At the same time, the standard screw II 4-1 is inserted into the positioning hole 8-31 and tightened to fix it.

[0061] If the operating space is limited and the use conditions permit, screws and nuts can be used to lock and fix the first mounting holes 1-13 at the four corners of the first rectangular substrate 1-1 of the plug housing and the second mounting holes 5-13 of the second rectangular substrate 5-1 of the socket housing at corresponding positions.

[0062] The socket housing and the plug housing of the present invention have the function of preventing the differential signal contact body from rotating, and the axial positioning of the differential signal contact body is realized by the cooperation between the socket housing and the plug housing and their accessory pressure plates. The number of the hole-mounted differential contact body 2 and the needle-mounted differential contact body 6 of this embodiment is 3 respectively. The connector uses a rectangular interface structure, which increases the contact density and saves product installation space.

[0063] The principles and implementation methods of the present invention are described in this article using specific examples. The description of the above embodiments is only used to help understand the method and core idea of ​​the present invention. At the same time, for those skilled in the art, according to the idea of ​​the present invention, there will be changes in the specific implementation methods and application scope. In summary, the content of this specification should not be understood as limiting the present invention.

Claims

1. A rectangular high-speed differential signal connector, characterized in that: It comprises a plug and a socket that are docked with each other; the plug comprises a plug housing, a plurality of hole-mounted differential contacts, a plug accessory pressure plate, and a first positioning assembly; the plug housing and the plug accessory pressure plate are buckled and fixed, the plurality of hole-mounted differential contacts are axially fixed in the plug housing and the plug accessory pressure plate, and the first positioning assembly is respectively installed on the left and right sides of the plug housing; The socket comprises a socket housing, a plurality of needle-mounted differential contacts, a socket accessory pressure plate, and a second positioning assembly; the socket housing and the socket accessory pressure plate are buckled and fixed, the plurality of needle-mounted differential contacts are axially fixed in the socket housing and the socket accessory pressure plate, and the second positioning assembly is respectively provided on the left and right sides of the socket housing; When the plug and the socket are connected, the first positioning assembly cooperates with the second positioning assembly to achieve pre-positioning, the hole-mounted differential contact body and the needle-mounted differential contact body are connected, and then locked and fixed by the first positioning assembly and the second positioning assembly; The plug housing comprises a first rectangular substrate, a step-type positioning block, and a docking protrusion, wherein the docking protrusion is placed in the middle position of the upper surface of the first rectangular substrate, the step-type positioning block comprises a first rectangular block connected to the lower surface of the first rectangular substrate, and a second rectangular block connected to one side of the bottom end of the first rectangular block, a plurality of first anti-rotation holes are opened inside the first rectangular block, the first anti-rotation hole is a circular through hole with a first anti-rotation key groove on one side, and a plurality of first circular through holes corresponding to the positions of the plurality of first anti-rotation holes are penetrated through the docking protrusion and the first rectangular substrate, a first half-hole cavity corresponding to the position of the first anti-rotation hole is opened axially on the inner wall of the second rectangular block, the head end of the hole-mounted differential contact body is fixed through the first anti-rotation hole and the first circular through hole in sequence, the tail end is placed in the first half-hole cavity, and first screw holes are respectively provided on both sides of the bottom end of the second rectangular block; The left and right ends of the first rectangular substrate are respectively provided with second screw holes for installing the first positioning component, and the first positioning component includes a standard screw II, a standard spring washer and a rivet sleeve, the standard spring washer is sleeved on the outer periphery of the standard screw II, the top end of the standard screw II passes through the second screw hole, the rivet sleeve is sleeved on the bottom end of the standard screw II and the outside of the standard spring washer, and the top end of the rivet sleeve is riveted and fixed to the second screw hole; The plug accessory pressing plate comprises an outer shell, a third rectangular block is arranged inside the outer shell, a plurality of second semi-hole cavities are axially opened on the third rectangular block, a first positioning ring groove is arranged at the top of the second semi-hole cavities, the third rectangular block and the inner surface of the outer shell form a step surface, and two second circular through holes are arranged at the top of the outer shell, and third screw holes are arranged on both sides of the bottom, respectively, and the standard screws I are installed in the two second circular through holes and each third screw hole to achieve fixation with the plug shell; The hole-mounted differential contact body comprises a contact body body, a first annular boss is provided on the outer periphery of the front end of the contact body body, a first anti-rotation key is provided at the front end of the first annular boss and extends toward the front end along the axial direction of the contact body body, the first anti-rotation key cooperates with the first anti-rotation key slot to realize the anti-rotation of the hole-mounted differential contact body, the end face of the first positioning ring groove contacts the end face of the first annular boss, the front face of the first annular boss contacts the lower surface of the first rectangular block, and the axial positioning of the hole-mounted differential contact body is realized; The socket housing comprises a second rectangular substrate, a rectangular positioning block and a docking convex ring, wherein the docking convex ring is placed in the middle of the upper surface of the second rectangular substrate, a plurality of second anti-rotation holes are provided on the second rectangular substrate, and the second anti-rotation holes are circular through holes with a second anti-rotation key slot on one side, the rectangular positioning block is placed on one side of the lower surface of the second rectangular substrate, a plurality of third semi-hole cavities corresponding to the positions of the second anti-rotation holes are axially provided on the inner wall of the rectangular positioning block, the head end of the needle differential contact body passes through the second anti-rotation hole, and the tail end is placed in the third semi-hole cavity, and two fourth screw holes are respectively provided on the left and right end surfaces of the rectangular positioning block; The left and right ends of the second rectangular substrate are respectively provided with fifth screw holes for installing the second positioning assembly, the second positioning assembly comprises a standard hexagonal nut, a sleeve and a positioning piece, the sleeve is placed below the fifth screw hole, the head of the positioning piece passes through the sleeve and is fixed with a standard hexagonal nut, and a positioning hole is provided at the end of the positioning piece; The socket accessory pressure plate includes a rectangular block body with an open groove on the upper surface of the rectangular block body, a plurality of fourth semi-hole cavities are axially opened on the inner wall of the rectangular block body, a second positioning ring groove is provided at the top of the fourth semi-hole cavity, and two sixth screw holes are respectively provided on the left and right end surfaces of the rectangular block body, and standard screws I are installed in each sixth screw hole to fix it to the socket housing.

2. A rectangular high-speed differential signal connector as claimed in claim 1, characterized in that: A sealing gasket is bonded and fixed on the upper surface of the second rectangular substrate inside the butting convex ring, and a third circular through hole for the needle differential contact body to pass through is provided on the sealing gasket.

3. A rectangular high-speed differential signal connector as claimed in claim 1, characterized in that: The needle-loading differential contact body includes a contact body body, a second annular boss is provided at the front end of the contact body body, a second anti-rotation key is provided at the front end of the second annular boss and extends axially toward the front end of the contact body body, the second anti-rotation key cooperates with the second anti-rotation key slot to realize the anti-rotation of the needle-loading differential contact body, the end face of the second positioning ring groove contacts the end face of the second annular boss, the front end face of the second annular boss contacts the lower surface of the second rectangular substrate, so as to realize the axial positioning of the needle-loading differential contact body.

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