Signal transmission connector

Abstract

The invention relates to the field of connectors, and discloses a signal transmission connector, which comprises a terminal seat and a plurality of groups of signal terminals inserted into the terminal seat, the terminal seat comprises a front end plate, a middle plate, a rear end plate and a clamping plate connected to the front end plate, wherein the front end plate, the middle plate and the rear end plate are integrally formed. The terminal seat is internally provided with a plurality of groups of terminal mounting holes used for placing signal terminals. A placing groove matched with the clamping plate is formed in the position, corresponding to the connecting plate, of the terminal seat; the signal terminal comprises a pin unit and a cable connection unit. Each pin unit comprises an integrally formed lower wall, a first side wall connected with the lower wall, a second side wall and an upper wall integrally arranged with the second side wall; an upper clamping part clamped with the rear end plate is arranged on the upper wall; a first elastic piece and a second elastic piece which are bent towards the second side wall are arranged on the first side wall, and the first elastic piece and the second elastic piece are in lap joint with each other; according to the invention, more stable contact force can be provided, so that the contact stability is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of connectors, and in particular to a signal transmission connector. Background Art

[0002] Signal connectors are components used to transmit and exchange electrical signals in electrical and electronic equipment. They play an important role in various applications, including automotive battery management systems, communications, computer networks, audio and video equipment, and automated control systems. The main function of signal connectors is to ensure reliable transmission of electrical signals between different devices or systems. These connectors are usually made of conductive materials, common materials include copper, aluminum, and silver. In order to improve the quality and stability of signal transmission, the design of connectors needs to consider multiple factors, such as impedance matching, noise suppression, and electromagnetic compatibility (EMC).

[0003] A patent search revealed that a Chinese patent with publication number CN114639977B discloses a signal transmission connector, which is arranged on a printed circuit board. The connector includes: a metal shell having a first surface facing the printed circuit board and a second surface facing away from the printed circuit board, and a concave cavity is provided on the first surface; at least one signal module, which includes an insulator and a signal terminal fixed to the insulator, and the signal module is embedded in the concave cavity; an elastic conductive part, which fits the first surface of the metal shell; when the connector is pressed into the printed circuit board, the elastic conductive part will be elastically compressed and make common ground contact with the conductive area of the printed circuit board. The elastic conductive part will be elastically compressed and make reliable contact with the conductive area of the printed circuit board, making the signal return path shorter, more reliable and more complete, so as to achieve a better cross-ground effect and reduce crosstalk between signals.

[0004] However, most of the terminals of signal transmission connectors on the market are single-shrapnel structures. After multiple plugging and unplugging, the contact points of the shrapnel of the single-shrapnel structure terminals are easily worn, resulting in unstable contact, which in turn affects the service life of the signal transmission connector; in addition, after long-term use, the terminals of traditional signal transmission connectors are easily withdrawn from the terminal seat (rubber core), which in turn affects the normal use of the signal transmission connector. Summary of the Invention

[0005] In view of the deficiencies in the prior art, the present invention provides a signal transmission connector that solves the problems mentioned in the above background.

[0006] The present invention provides the following technical solution: The present invention discloses a signal transmission connector, comprising: A terminal block and a plurality of groups of signal terminals plugged into the terminal block; The terminal block includes an integrally formed front end plate, a middle plate, a rear end plate, and a clamping plate connected to the front end plate. The terminal block is provided with a plurality of terminal mounting holes for placing signal terminals. The intermediate plate and the rear end plate are connected to each other via a connecting plate, and the terminal block is provided with a placement groove that matches the clamping plate at a position corresponding to the connecting plate; The signal terminal includes a pin unit for accommodating a pin and a cable connection unit connected to the pin unit; The pin unit includes an integrally formed lower wall, a first side wall connected to the lower wall, a second side wall, and an upper wall integrally provided with the second side wall; The upper wall is provided with an upper engaging portion engaged with the rear end plate; A first elastic sheet and a second elastic sheet bent toward the second side wall are provided on the first side wall, and the first elastic sheet and the second elastic sheet are overlapped with each other.

[0007] As a preferred solution, the clamping plate includes a flat plate portion connected to the terminal seat and a clamping portion connected to the flat plate portion; The middle plate is provided with a clamping boss on one side corresponding to the placement groove and matched with the clamping portion.

[0008] As a preferred solution, the rear end plate is provided with a locking hole at a position corresponding to the terminal mounting hole. After the signal terminal is inserted into the terminal mounting hole, the upper locking portion bounces upward to the locking hole and locks with the rear end plate.

[0009] As a preferred solution, the first elastic piece and the second elastic piece respectively include a connecting piece connected to the first side wall and an arc-shaped piece connected to the connecting piece; The lower wall is further provided with convex ribs at positions corresponding to the arc-shaped pieces.

[0010] As a preferred solution, the second elastic piece further includes a limiting protrusion arranged close to the second side wall, and the second side wall is provided with a limiting hole at a position corresponding to the limiting protrusion.

[0011] As a preferred solution, a reinforcement layer is embedded in the upper end of the arc-shaped piece.

[0012] As a preferred solution, the reinforcement layer is aluminum oxide nanoparticles.

[0013] As a preferred solution, the terminal mounting holes are arranged in two parallel rows.

[0014] As a preferred solution, the rear end plate is provided with a horizontal mounting groove at a position corresponding to the position between the two rows of terminal mounting holes, and the rear end plate is provided with several groups of vertical mounting grooves at the position corresponding to the horizontal mounting groove, and the vertical mounting grooves are arranged between two adjacent groups of terminal mounting holes.

[0015] As a preferred solution, a horizontal shielding plate is fixedly installed inside the horizontal mounting groove, a vertical shielding plate is fixedly installed inside the vertical mounting groove, and the horizontal shielding plate is provided with a socket for the vertical shielding plate to pass through at a position corresponding to the vertical shielding plate.

[0016] Compared with the prior art, the present invention has the following beneficial effects: In the signal transmission connector of the present invention, the signal terminal adopts a structure in which the first spring plate and the second spring plate overlap each other. This design enables the signal terminal to provide more stable contact force when inserting and removing, thereby improving contact stability and reducing the risk of poor contact after long-term use. In addition, the present invention adopts a clamping structure between the upper clamping part and the rear end plate, so that when the signal terminal is inserted into the terminal mounting hole, the upper clamping part of the terminal will pop up and clamp with the clamping hole of the rear end plate. At the same time, through the cooperation between the clamping part and the terminal seat, the structural stability of the connector is increased, ensuring that the signal terminal will not easily detach from the terminal seat. Through the double locking structure, the connection stability between the signal terminal and the terminal seat is enhanced. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a structural diagram of the terminal block and the signal terminal; Figure 3 It is another structural schematic diagram of the terminal block and the signal terminal; Figure 4 This is a planar structural diagram of the terminal block in the present invention; Figure 5 This is a planar structural diagram of the terminal base of the present invention when the clamping plate is closed; Figure 6 for Figure 1 A partial enlarged schematic diagram of point A in the middle; Figure 7 This is a three-dimensional structural diagram of the signal terminal; Figure 8 is a cross-sectional schematic diagram of a pin unit; Figure 9 is a schematic cross-sectional view of the first spring piece or the second spring piece; Figure 10 It is a structural diagram of the pin unit; Figure 11Schematic diagram of the structure of the horizontal shielding plate and the vertical shielding plate.

[0018] In the figure: 1. Terminal seat; 11. Terminal mounting hole; 12. Placement slot; 2. Signal terminal; 21. Pin unit; 211. Lower wall; 2111. Raised rib; 212. First side wall; 213. Second side wall; 2131. Limiting hole; 214. Upper wall; 215. Upper clamping part; 216. First spring piece; 2161. Connecting piece; 2162. Arc-shaped piece; 2163. Reinforcement layer; 217. Second spring piece; 218. Limiting protrusion; 22. Cable connection unit; 3. Front end plate; 4. Middle plate; 41. Clamping boss; 5. Rear end plate; 51. Clamping hole; 52. Horizontal mounting slot; 53. Vertical mounting slot; 6. Clamping plate; 61. Flat plate; 62. Clamping part; 7. Connecting plate; 8. Horizontal shielding plate; 81. Jack; 9. Vertical shielding plate. DETAILED DESCRIPTION

[0019] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. 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 making creative efforts are within the scope of protection of the present invention.

[0020] See also Figure 1-7 A signal transmission connector of this embodiment includes a terminal block 1 and several groups of signal terminals 2 plugged into the terminal block 1; the terminal block 1 includes an integrally formed front end plate 3, an intermediate plate 4, a rear end plate 5, and a clamping plate 6 connected to the front end plate 3, and the terminal block 1 is provided with several groups of terminal mounting holes 11 for placing the signal terminals 2; the intermediate plate 4 and the rear end plate 5 are connected to each other by a connecting plate 7, and the terminal block 1 is provided with a placement groove 12 that matches the clamping plate 6 at a position corresponding to the connecting plate 7; the signal terminals 2 include a plurality of mounting holes 11 for placing the signal terminals 2. The pin unit 21 of the needle and the cable connection unit 22 connected to the pin unit 21; the pin unit 21 includes an integrally formed lower wall 211, a first side wall 212 connected to the lower wall 211, a second side wall 213 and an upper wall 214 integrally provided with the second side wall 213; the upper wall 214 is provided with an upper clamping portion 215 engaged with the rear end plate 5; the first side wall 212 is provided with a first elastic piece 216 and a second elastic piece 217 bent toward the second side wall 213, and the first elastic piece 216 and the second elastic piece 217 overlap each other.

[0021] In the signal transmission connector of the present invention, the signal terminal 2 adopts a structure in which the first spring piece 216 and the second spring piece 217 overlap each other. This design enables the signal terminal 2 to provide a more stable contact force when inserted and removed, ensuring that the terminal and the terminal base 1 always maintain good electrical contact during the insertion and removal process, thereby improving the contact stability and reducing the risk of poor contact after long-term use. This spring structure design can greatly reduce the risk of poor contact, especially during long-term use. Because the spring structure provides continuous elasticity and compression, the connector can still maintain stable contact after multiple plugging and unplugging operations. In addition, the present invention adopts a snap-fit structure between the upper snap-fit portion 215 and the rear end plate 5, so that when the signal terminal 2 is inserted into the terminal mounting hole 11, the upper snap-fit portion 215 of the terminal will pop up and snap into the snap-fit hole 51 of the rear end plate 5. At the same time, the cooperation between the snap-fit portion 62 and the terminal base 1 increases the structural stability of the connector, ensuring that the signal terminal 2 will not easily detach from the terminal base 1. The double locking structure enhances the connection stability between the signal terminal 2 and the terminal base 1. The introduction of the double locking structure not only increases the service life of the signal connector, but also effectively resists external vibration and impact, ensuring that the connector can still maintain high-performance signal transmission function under long-term use or high-vibration environment.

[0022] The upper wall 214 , the first side wall 212 , the second side wall 213 and the upper wall 214 in the pin unit 21 are mutually surrounded to form an enclosing structure, so as to facilitate the rapid insertion of the pin.

[0023] It should be noted that the cable connection unit 22 is compatible with riveting harness and FPC flexible cable processes.

[0024] like Figure 1-Figure 5 As shown, the clamping plate 6 includes a flat plate portion 61 connected to the terminal block 1 and a clamping portion 62 connected to the flat plate portion 61; The middle plate 4 is provided with a clamping boss 41 on one side corresponding to the placement groove 12 , which is matched with the clamping portion 62 .

[0025] The design of connecting the flat portion 61 of the snap-in plate 6 with the snap-in portion 62 makes the installation of the connector more secure and avoids the situation where the connector becomes loose due to vibration or external force during use. The flat portion 61 of the snap-in plate 6 usually plays a supporting role, while the snap-in portion 62 provides the necessary snap-in structure for fixation with the terminal block 1 or other connectors. Due to the close connection between the flat portion 61 and the snap-in portion 62, the position of the snap-in plate 6 in the connector is effectively fixed, thereby preventing loosening caused by vibration, external force or long-term use. This design enables the connector to maintain a stable working state in a complex environment and reduces the risk of poor contact or signal transmission interruption due to loosening.

[0026] At the same time, the clamping boss 41 that cooperates with the intermediate plate 4 and the clamping part 62 strengthens the fixed connection between the terminal seat 1 and the clamping plate 6, and improves the reliability of the overall structure. The clamping boss 41 of the intermediate plate 4 is designed to be tightly engaged with the matching part on the clamping part 62, thereby enhancing the fixing effect of the connector. The function of the clamping boss 41 is not only to provide a stable support point for the clamping plate 6, but also to guide and lock it during the plugging and unplugging process, so that the connection between the clamping plate 6 and the terminal seat 1 is more secure. In this way, even when the connector is plugged in or subjected to external vibration, the clamping plate 6 will not be easily displaced or fall off.

[0027] The cooperation between the snap-fitting boss 41 and the snap-fitting portion 62 not only improves the fixation between the terminal base 1 and the snap-fitting plate 6, but also reduces the wear and looseness caused by long-term use. This structural design effectively improves the reliability of the overall structure and ensures the long-term stability of the connector, especially in high-frequency or high-load signal transmission. It can maintain stable contact force and signal transmission quality, and avoid signal attenuation or interruption due to loose snap-fitting.

[0028] like Figure 6 As shown, the rear end plate 5 is provided with a locking hole 51 at a position corresponding to the terminal mounting hole 11. After the signal terminal 2 is inserted into the terminal mounting hole 11, the upper locking portion 215 bounces upward to the locking hole 51 and locks with the rear end plate 5.

[0029] By providing the engaging hole 51 , it is ensured that the terminal can engage with the rear end plate 5 through the upper engaging portion 215 after being inserted, thereby effectively preventing the signal terminal 2 from falling off during long-term use and improving the mechanical stability of the connector.

[0030] First of all, the locking hole 51 is a positioning hole specially opened on the rear end plate 5. Its function is to provide a precise locking position for the upper locking portion 215 of the signal terminal 2. When the signal terminal 2 is inserted into the terminal mounting hole 11 and deeply in place, the upper locking portion 215 of the signal terminal 2 will pop up and eventually dock with the locking hole 51 to form a firm locking structure. The design of this locking hole 51 ensures the effective connection between the signal terminal 2 and the rear end plate 5, so that the signal terminal 2 can be firmly fixed on the rear end plate 5 after insertion, avoiding the risk of the terminal falling off due to vibration, external force or frequent plugging and unplugging.

[0031] Secondly, the upper engaging portion 215 cooperates with the engaging hole 51 through an elastic design, so that the upper engaging portion 215 can automatically bounce upward and accurately mate with the engaging hole 51 when inserted. Once the insertion is completed, the upper engaging portion 215 of the signal terminal 2 will be firmly stuck in the engaging hole 51 to form a strong fixed connection. This elastic engaging structure not only ensures that the terminal is stably maintained in the correct position, but also provides a self-locking function to a certain extent, preventing the terminal from loosening or falling off due to thermal expansion and contraction or mechanical vibration during long-term use.

[0032] Through this structural design, the mechanical stability of the connector is significantly improved. The connection between the signal terminal 2 and the rear end plate 5 no longer relies on a single insertion force or friction force, but provides a double fixing effect through the precise fit between the snap-fit portion and the snap-fit hole 51, ensuring the firmness of the connector. Even when the device is in long-term operation, subjected to frequent plugging and unplugging operations or external impacts, this snap-fit design can still maintain a stable connection of the signal terminal 2, avoiding problems such as poor contact or signal loss due to loose connection.

[0033] In addition, the design of the locking hole 51 can also effectively disperse the mechanical stress that the connector may suffer during use, preventing stress concentration from causing damage to the connector or failure of the signal terminal 2. Compared with the traditional connection method that relies only on friction or mechanical clamping, the matching design of the locking hole 51 and the upper locking portion 215 can better ensure that the signal terminal 2 remains stably in the terminal base 1 for a long time.

[0034] like Figure 7-10 As shown, the first elastic piece 216 and the second elastic piece 217 respectively include a connecting piece 2161 connected to the first side wall 212 and an arc-shaped piece 2162 connected to the connecting piece 2161; the lower wall 211 is further provided with a rib 2111 at a position corresponding to the arc-shaped piece 2162.

[0035] The bent connecting piece 2161 and the arc-shaped piece 2162, under the action of the spring sheet and in cooperation with the rib 2111 provided on the lower wall 211, form an efficient and stable contact mechanism, thereby providing stronger elastic contact force, reducing the risk of poor contact, and improving the contact stability between the terminal and the signal transmission connector, thereby avoiding the disadvantages of the single spring sheet structure.

[0036] The design of the connecting piece 2161 and the arc piece 2162 ensures that the spring piece has good elastic properties through reasonable bending and shape design. The connection between the connecting piece 2161 and the arc piece 2162 forms a well-elastic structure, so that the spring piece can provide sufficient elastic contact force during the plugging and unplugging process. The curved connecting piece 2161 and the arc piece 2162 can produce elastic deformation when inserted into the terminal, so that a stable contact pressure is always maintained between the signal terminal 2 and the connector, thereby ensuring the quality and reliability of signal transmission. Compared with a single spring piece structure, the spring piece with a curved structure provides a more uniform and powerful contact force, which helps to reduce problems such as poor contact, signal interference or signal loss, especially in frequent plugging and unplugging or high vibration environments.

[0037] The cooperation between the rib 2111 on the lower wall 211 and the arc-shaped piece 2162 makes the operation of the spring more stable. The design of the rib 2111 plays a guiding and supporting role on the lower wall 211, ensuring that the arc-shaped piece 2162 can deform in a predetermined direction when subjected to force without offset or uneven contact force distribution. The rib 2111 provides a physical constraint to avoid unnecessary displacement or deformation of the arc-shaped piece 2162 due to external force or uneven pressure, further ensuring close contact between the terminal and the connector. In this way, the signal transmission performance of the connector is enhanced, and even under large mechanical shocks or long-term use, it can still maintain a stable contact effect.

[0038] Compared with the traditional single spring clip structure, the double spring clip design (including the first spring clip 216 and the second spring clip 217) has significant advantages. The single spring clip structure may not be able to provide sufficient elastic contact force, and may easily lead to poor contact due to insufficient or uneven contact force. In particular, when the connector is frequently plugged in and out or during use, the contact between the signal terminal 2 and the connector may be affected. By introducing the double spring clip design of the first spring clip 216 and the second spring clip 217, combined with the curved structure of the connecting piece 2161 and the arc piece 2162, the contact stability of the connector in long-term use is significantly improved, the possibility of poor contact is reduced, and more reliable signal transmission is ensured.

[0039] In addition, this double-shrapnel structure can also effectively reduce the operating temperature and heat loss of the connector. Since the curved shrapnel provides uniform contact force and stronger elasticity, they can evenly distribute pressure during operation, prevent excessive local heat accumulation, and thus extend the service life of the connector.

[0040] like Figure 10 As shown, the second elastic piece 217 further includes a limiting protrusion 218 disposed near the second side wall 213 , and the second side wall 213 defines a limiting hole 2131 at a position corresponding to the limiting protrusion 218 .

[0041] By designing the limiting protrusion 218 and the limiting hole 2131 , it is ensured that the spring is always in the optimal contact position during operation, thereby further stabilizing the contact performance of the signal terminal 2 and reducing the possibility of mis-insertion.

[0042] First, the limiting protrusion 218 is a very important component of the second spring clip 217. It is located near the second side wall 213. The limiting protrusion 218 is designed to prevent the second spring clip 217 from excessive displacement or offset during the insertion and removal process, thereby ensuring that the spring clip can accurately align with the contact position with the signal terminal 2 during operation. When the signal terminal 2 is inserted, the limiting protrusion 218 cooperates with the limiting hole 2131 to limit the range of movement of the second spring clip 217, so that the spring clip always remains in the predetermined working position. This design avoids poor contact caused by improper spring clip positioning and ensures stable contact pressure, thereby making the signal transmission between the signal terminal 2 and the connector more reliable.

[0043] Secondly, the limiting hole 2131 is set on the second side wall 213, corresponding to the limiting protrusion 218, which plays a role in positioning the second spring piece 217. The design of the limiting hole 2131 ensures that the limiting protrusion 218 can be accurately inserted or withdrawn during the plugging and unplugging process, thereby controlling the movement trajectory of the spring piece. The limiting hole 2131 not only effectively prevents the displacement of the spring piece, but also reduces the excessive extrusion or stretching that may occur during use, thereby protecting the shape and elastic properties of the second spring piece 217.

[0044] In high-frequency plugging and unplugging or vibration environments, the cooperation between the limiting protrusion 218 and the limiting hole 2131 can ensure that the spring clip can be correctly docked each time it is inserted, and poor contact will not occur due to position deviation or misinsertion. This is crucial for signal transmission connectors, because poor contact may cause signal loss, signal interference or unstable connection. Especially in high-frequency, high-speed transmission application scenarios, this precise contact control is particularly important.

[0045] In addition, the design of the limiting protrusion 218 and the limiting hole 2131 can also extend the service life of the connector. By controlling the range of motion of the spring and reducing unnecessary friction or impact, the material of the spring will not be excessively worn during long-term use, thereby maintaining its elasticity and contact force, ensuring that the connector can still provide stable signal transmission after long-term use.

[0046] like Figure 9 As shown, a reinforcement layer 2163 is embedded in the upper end of the arc-shaped piece 2162, and the reinforcement layer 2163 is aluminum oxide nanoparticles.

[0047] Embedding the reinforcing layer 2163 at the upper end of the arc-shaped piece 2162 can effectively improve the fatigue resistance of the spring piece, so that the signal terminal 2 can still maintain good contact performance during long-term plugging and unplugging, further extending the service life of the connector.

[0048] The use of aluminum oxide nanoparticles as the reinforcing layer 2163 material makes the surface of the shrapnel have higher fatigue resistance, effectively reduces the degree of bending and deformation, and enables the shrapnel to maintain high elasticity and recovery force during repeated use, thereby preventing performance degradation due to fatigue accumulation and further enhancing the stability and service life of the signal transmission connector.

[0049] The processing technology of the reinforcement layer 2163 is as follows: The pre-compression stress field induces matrix modification. At the upper end of the arc-shaped sheet 2162 (the wave valley area, generally a stress concentration area with a wavelength of 2 mm and a wave height of 0.5 mm), nanoscale micropores or lattice defects (about 50-100 nm in size) are formed through local pre-compression deformation (such as laser shock). This area generates higher surface energy due to plastic deformation, which is conducive to the subsequent adsorption and anchoring of nanoparticles. Sol-gel impregnation + in-situ curing: Alumina nanoparticles (50nm in diameter) are dispersed in an ethanol-silane coupling agent composite sol and infiltrated into the pores of the pre-pressed area through ultrasound-assisted impregnation. Subsequently, gradient temperature curing (120-300°C stepwise heating) is performed to form a physical-chemical bonding interface between the particles and the matrix. High-temperature sintering strengthening: short-term high-temperature sintering (450-550°C, holding temperature for 10-30s) is performed under vacuum conditions to promote the formation of a partial diffusion layer between the alumina particles and the arc-shaped sheet 2162, while utilizing the phase change stress of the gradient material to enhance the particle bonding strength.

[0050] The pre-compressive stress at the upper end of the arc-shaped piece 2162 causes the particles to form a micro-compression bond with the matrix, effectively improving the local elastic modulus, thereby enhancing the creep resistance of the arc-shaped piece 2162 and making the contact pressure distribution more uniform. In addition, the thin layer of mesoporous alumina (thickness <5nm) coating the surface of the particles improves the fracture toughness through crack deflection and energy dissipation.

[0051] like Figures 1-6 、 Figure 11 As shown, the terminal mounting holes 11 are arranged in two parallel rows, and the rear end plate 5 is provided with a horizontal mounting groove 52 at a position corresponding to the position between the two rows of terminal mounting holes 11. The rear end plate 5 is provided with a plurality of groups of vertical mounting grooves 53 at positions corresponding to the horizontal mounting grooves 52. The vertical mounting grooves 53 are provided between two adjacent groups of terminal mounting holes 11. A horizontal shielding plate 8 is fixedly installed inside the horizontal mounting groove 52, and a vertical shielding plate 9 is fixedly installed inside the vertical mounting groove 53. The horizontal shielding plate 8 is provided with a socket 81 for the vertical shielding plate 9 to pass through at a position corresponding to the vertical shielding plate 9.

[0052] By providing two rows of terminal mounting holes 11 , the signal transmission density of the signal transmission connector is improved, so that the connector can accommodate more signal terminals 2 in a more compact space, meeting higher technical requirements.

[0053] The rear end plate 5 is provided with a horizontal mounting slot 52 and a vertical mounting slot 53, so that the signal transmission connector can better manage the installation position of the horizontal shielding plate 8 and the vertical shielding plate 9, effectively preventing signal interference and improving signal quality; The horizontal mounting groove 52 is mainly used for installing the horizontal shielding plate 8. The function of the shielding plate is to isolate the electromagnetic interference between different signal channels and prevent the signal from being interfered with by external noise or other signal sources during transmission. It is mainly used to isolate the crosstalk between the upper and lower rows of signal terminals 2. By opening the horizontal mounting groove 52 on the rear end plate 5, a precise installation position can be provided for the horizontal shielding plate 8 to ensure that the shielding plate can effectively cover the area of the signal terminal 2, thereby minimizing the interference that may occur during signal transmission and improving the stability and clarity of the signal.

[0054] The vertical mounting grooves 53 are used to install vertical shielding plates 9. These shielding plates also play a role in preventing signal interference. The design of the vertical mounting grooves 53 enables the vertical shielding plates 9 to be tightly installed in the arrangement of the signal terminals 2, further enhancing the isolation between signal channels and preventing crosstalk and cross interference of signals between adjacent signal terminals 2. Especially in high-frequency signal transmission, the signal interference problem is particularly prominent. The vertical shielding plates 9 can effectively reduce this problem and ensure the stability and quality of signal transmission.

[0055] By combining the horizontal and vertical mounting slots 53 , the connector can better shield and isolate signals, forming a powerful anti-interference barrier.

[0056] Optionally, the horizontal shielding plate 8 and the vertical shielding plate 9 are made of materials such as copper alloy, aluminum alloy, nickel-based alloy, etc. The horizontal shielding plate 8 and the vertical shielding plate 9 can be fixed inside the horizontal mounting groove 52 or the vertical mounting groove 53 by gluing or other means.

[0057] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A signal transmission connector, characterized in that: include: A terminal block (1) and a plurality of groups of signal terminals (2) plugged into the terminal block (1); The terminal seat (1) comprises an integrally formed front end plate (3), a middle plate (4), a rear end plate (5), and a clamping plate (6) connected to the front end plate (3); a plurality of terminal mounting holes (11) for accommodating signal terminals (2) are provided inside the terminal seat (1); The intermediate plate (4) and the rear end plate (5) are connected to each other via a connecting plate (7), and the terminal seat (1) is provided with a placement groove (12) that matches the clamping plate (6) at a position corresponding to the connecting plate (7); The signal terminal (2) comprises a pin unit (21) for accommodating a pin and a cable connection unit (22) connected to the pin unit (21); The pin unit (21) comprises an integrally formed lower wall (211), a first side wall (212) connected to the lower wall (211), a second side wall (213), and an upper wall (214) integrally provided with the second side wall (213); An upper engaging portion (215) engaging with the rear end plate (5) is provided on the upper wall (214); A first elastic piece (216) and a second elastic piece (217) bent toward the second side wall (213) are provided on the first side wall (212), and the first elastic piece (216) and the second elastic piece (217) are overlapped with each other.

2. The signal transmission connector according to claim 1, wherein: The clamping plate (6) comprises a flat plate portion (61) connected to the terminal seat (1) and a clamping portion (62) connected to the flat plate portion (61); The middle plate (4) is provided with a clamping boss (41) on one side corresponding to the placement groove (12) and cooperating with the clamping portion (62).

3. The signal transmission connector according to claim 2, wherein: The rear end plate (5) is provided with a snap-fitting hole (51) at a position corresponding to the terminal mounting hole (11); after the signal terminal (2) is inserted into the terminal mounting hole (11), the upper snap-fitting portion (215) springs upward to the snap-fitting hole (51) and snaps into engagement with the rear end plate (5).

4. The signal transmission connector according to claim 1, wherein: The first elastic piece (216) and the second elastic piece (217) respectively comprise a connecting piece (2161) connected to the first side wall (212) and an arc-shaped piece (2162) connected to the connecting piece (2161); The lower wall (211) is further provided with a convex rib (2111) at a position corresponding to the arc-shaped piece (2162).

5. The signal transmission connector according to claim 4, wherein: The second elastic piece (217) further comprises a limiting protrusion (218) arranged close to the second side wall (213), and the second side wall (213) is provided with a limiting hole (2131) at a position corresponding to the limiting protrusion (218).

6. The signal transmission connector according to claim 4, wherein: A reinforcement layer (2163) is embedded in the upper end of the arc-shaped piece (2162).

7. The signal transmission connector according to claim 6, wherein: The reinforcement layer (2163) is aluminum oxide nanoparticles.

8. The signal transmission connector according to claim 1, wherein: The terminal mounting holes (11) are arranged in two parallel rows.

9. The signal transmission connector according to claim 8, wherein: The rear end plate (5) is provided with a transverse mounting groove (52) at a position corresponding to between two rows of terminal mounting holes (11), and the rear end plate (5) is provided with a plurality of groups of vertical mounting grooves (53) at positions corresponding to the transverse mounting grooves (52), wherein the vertical mounting grooves (53) are provided between two adjacent groups of terminal mounting holes (11).

10. The signal transmission connector according to claim 9, wherein: A horizontal shielding plate (8) is fixedly provided inside the horizontal mounting groove (52), a vertical shielding plate (9) is fixedly provided inside the vertical mounting groove (53), and a socket (81) for the vertical shielding plate (9) to pass through is provided on the horizontal shielding plate (8) at a position corresponding to the vertical shielding plate (9).

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