A connector

Abstract

The utility model discloses a kind of connectors, belong to connector equipment technical field, including shell and inner shell, the bottom of shell is in open mouth shape, the inner shell is located in the inside of shell, the inner shell inside is equipped with horizontally arranged tongue mouth plate, the rear portion of tongue mouth plate is equipped with terminal block, twenty-four pin distributed at equal intervals are equipped on the terminal block, each pin is L-shaped structure, the pin extends backward and is exposed to the outside of shell. In the utility model, twenty-four pins are symmetrically distributed at equal intervals, impedance consistency is high, reduces signal reflection and loss, meets the demand of high-frequency signal transmission.

Description

Technical Field

[0001] This utility model belongs to the field of connector equipment technology, and in particular relates to a connector. Background Technology

[0002] In the field of electronic equipment and circuit connections, connectors, as core components for signal and power transmission, directly affect the assembly efficiency, connection reliability, and transmission performance of the equipment through their structural design. With the miniaturization and high integration of electronic equipment, the application of multi-pin connectors is becoming increasingly widespread.

[0003] However, existing connectors employ two methods: First, the pins use surface mount technology (SMT), with the front-end pins mounted on the PCB surface and some pins using through-hole (DIP) technology, while the rear-end pins are soldered through holes. This type of structure requires separate mounting and insertion operations, resulting in a complex assembly process, low production efficiency, and uneven stress on the pins due to different processes. This makes the connection prone to loosening due to vibration, insertion / removal, or other external forces, affecting reliability.

[0004] Secondly, all pins are mounted on the PCB surface using SMT technology. Although the assembly can be completed by an automated pick-and-place machine, the connection between the surface mount pins and the PCB depends on the solder strength of the solder paste. In high-frequency transmission scenarios, due to the small contact area and insufficient impedance stability of the surface mount pins, signal reflection and loss are likely to occur, making it difficult to meet the transmission requirements of high-frequency signals (such as high-speed data transmission and high-frequency power signals). At the same time, the mechanical fixing strength of the all-surface structure is weak, and the connection reliability is poor in environments that require frequent insertion and removal or vibration.

[0005] Both of the above structures share a common drawback: in the full-pin state, the dense arrangement of surface-mount pins can easily lead to an increased risk of solder bridging, while the asymmetrical pin layout of the hybrid structure further exacerbates the assembly difficulty and signal transmission consistency issues.

[0006] Therefore, a new type of connector is needed for use. Utility Model Content

[0007] This utility model provides a connector to solve the problems in the prior art.

[0008] The present invention adopts the following technical solution: a connector, including a shell and an inner shell, the bottom of the shell is open, the inner shell is located inside the shell, the inner shell is provided with a horizontally arranged tongue plate inside, the rear of the tongue plate is provided with a terminal block, the terminal block is provided with twenty-four equally spaced pins, each pin is L-shaped, the pins extend rearward and are exposed outside the shell.

[0009] In a further technical solution, the terminal block includes an upper terminal and a lower terminal that are interlocked. The upper terminal has an integrally formed upper connecting seat at its rear, and the lower terminal has an integrally formed lower connecting seat at its rear. The upper connecting seat has two insertion slots, and the lower connecting seat has insertion blocks that engage with the two insertion slots. The bottom of the upper terminal has two diagonally arranged upper connecting posts and two diagonally arranged upper connecting holes, and the top of the lower terminal has two diagonally arranged lower connecting posts and two diagonally arranged lower connecting holes. The upper connecting posts are engaged in the lower connecting holes, and the lower connecting posts are engaged in the upper connecting holes.

[0010] A further technical solution is that twenty-four pins are distributed vertically on the upper terminal and the lower terminal, with twelve pins on the upper terminal and the upper connector, and twelve pins on the lower terminal and the lower connector.

[0011] In a further technical solution, both ends of the outer casing are provided with wide and narrow connectors.

[0012] In a further technical solution, the outward extension length of the narrow connector is longer than the outward extension length of the pin.

[0013] In a further technical solution, the outer casing is provided with two connecting pieces at the terminal base, and each connecting piece is provided with a positioning post.

[0014] In a further technical solution, the inner top of the inner shell is provided with two spring tabs, and the inner bottom of the inner shell is provided with two positioning strips.

[0015] The above-mentioned technical solutions adopted in the embodiments of this utility model can achieve the following beneficial effects:

[0016] (i) Assembly convenience: The full DIP process eliminates the need to distinguish between surface mount and through-hole mounting. Combined with the pre-positioning structure, narrow through-hole pieces and positioning posts, it simplifies the process and improves production efficiency.

[0017] (II) High-frequency transmission performance: The twenty-four pins are symmetrically and equally spaced, with high impedance consistency, reducing signal reflection and loss, and meeting the requirements of high-frequency signal transmission.

[0018] (III) Connection reliability: Multiple mechanical fixation, wide and narrow plugs, positioning posts, and springs enhance vibration resistance and plug-out resistance, solving the loosening problem of hybrid or full patch structures;

[0019] (iv) Full Pin Compatibility: The full DIP design avoids the risk of solder bridging of the surface mount pins, and can still maintain a stable connection in the 24-pin full pin state. Attached Figure Description

[0020] The accompanying drawings, which are included to provide a further understanding of the present invention and constitute a part of this invention, illustrate exemplary embodiments of the present invention and, together with the description thereof, serve to explain the present invention and do not constitute an undue limitation thereof. In the drawings:

[0021] Figure 1 This is a schematic diagram of the three-dimensional structure of the present invention. Figure 1 ;

[0022] Figure 2 This is a schematic diagram of the three-dimensional structure of the present invention. Figure 2 ;

[0023] Figure 3 This is a side view of the present invention;

[0024] Figure 4 This is a front view of the present invention;

[0025] Figure 5 This is a three-dimensional structural cross-sectional view of the present invention;

[0026] Figure 6 This is a three-dimensional structural diagram of the terminal block of this utility model;

[0027] Figure 7 This is a three-dimensional structural diagram of the upper terminal in this utility model;

[0028] Figure 8 This is a three-dimensional structural diagram of the lower terminal in this utility model;

[0029] Figure 9 This is a three-dimensional structural diagram of the pins in this utility model;

[0030] Figure label:

[0031] Outer shell 1, wide plug-in piece 11, narrow plug-in piece 12, connecting piece 13, positioning post 14, inner shell 2, spring piece 21, positioning strip 22, tongue plate 3, terminal block 4, upper terminal 40, lower terminal 41, upper connecting seat 42, lower connecting seat 43, plug-in slot 44, plug-in block 45, upper connecting post 46, upper connecting hole 47, lower connecting post 48, lower connecting hole 49, pin 5. Detailed Implementation

[0032] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions of this utility model will be clearly and completely described below in conjunction with specific embodiments and corresponding drawings. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0033] The technical solution of a connector provided by various embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0034] Reference Figures 1 to 9 As shown, this utility model embodiment provides a connector, including a housing 1 and an inner housing 2. The bottom of the housing 1 is open, and the inner housing 2 is located inside the housing 1. A horizontally arranged tongue plate 3 is provided inside the inner housing 2. A terminal block 4 is provided at the rear of the tongue plate 3. The terminal block 4 is provided with twenty-four equally spaced pins 5. Each pin 5 has an L-shaped structure and extends rearward and is exposed outside the housing 1.

[0035] The outer shell 1 has an open structure, and the inner shell 2 is nested inside the outer shell 1 to form an overall frame. The tongue plate 3 serves as the bearing base for the contact interface. The terminal block 4 behind it achieves precise positioning and stable assembly through the snap-fit ​​of the upper terminal 40 and the lower terminal 41, ensuring the uniformity of the spacing of the twenty-four pins 5.

[0036] Twenty-four L-shaped pins 5 are fixed to the terminal block 4 in two rows, one on top and one on the bottom. One end of the pins 5 extends to the tongue plate 3 area for docking with the external interface, and the other end extends to the outer rear of the housing 1. They are connected to the PCB board by DIP through-hole soldering to form a current and signal transmission path.

[0037] This utility model has the following beneficial effects:

[0038] Assembly convenience: The full DIP process eliminates the need to distinguish between surface mount and through-hole mounting. Combined with the pre-positioning structure, narrow through-hole tab 12 and positioning post 14, it simplifies the process and improves production efficiency.

[0039] High-frequency transmission performance: Twenty-four pins are symmetrically and equally spaced, with high impedance consistency, reducing signal reflection and loss, and meeting the requirements of high-frequency signal transmission;

[0040] Connection reliability: Multiple mechanical fixation, wide plug-in piece 11 and narrow plug-in piece 12, positioning post 14, and spring piece 21 enhance vibration resistance and insertion / removal resistance, solving the loosening problem of hybrid structure or full patch structure;

[0041] Full Pin Compatibility: The full DIP design avoids the risk of solder bridging on the surface mount pin 5, and can maintain a stable connection even in the 24-pin full pin state.

[0042] In this embodiment, the terminal block 4 includes an upper terminal 40 and a lower terminal 41 that are interlocked. The upper terminal 40 has an integrally formed upper connecting seat 42 at its rear, and the lower terminal 41 has an integrally formed lower connecting seat 43 at its rear. The upper connecting seat 42 has two insertion slots 44, and the lower connecting seat 43 has insertion blocks 45 that engage with the two insertion slots 44. The bottom of the upper terminal 40 has two diagonally arranged upper connecting posts 46 and two diagonally arranged upper connecting holes 47. The top of the lower terminal 41 has two diagonally arranged lower connecting posts 48 and two diagonally arranged lower connecting holes 49. The upper connecting posts 46 are interlocked in the lower connecting holes 49, and the lower connecting posts 48 are interlocked in the upper connecting holes 47.

[0043] The terminals and lower terminals 41 are precisely aligned via diagonally distributed upper connecting posts 46 and lower connecting holes 49, and lower connecting posts 48 and upper connecting holes 47. Simultaneously, the insertion slots 44 of the upper connecting seat 42 and the insertion blocks 45 of the lower connecting seat 43 engage to form a double-clamping fixation, ensuring no relative displacement between the upper and lower terminals 41, thus guaranteeing consistent spacing of the 24 pins 5. This symmetrical clamping structure ensures consistent pin arrangement, reduces signal transmission deviation, and improves high-frequency transmission stability. The assembly process requires no additional fasteners such as screws, simplifying the production process and improving assembly efficiency. The double clamping enhances the overall strength of the terminal block 4, preventing pin 5 misalignment due to vibration or insertion / removal force, thus improving connection reliability.

[0044] In this embodiment, twenty-four pins 5 are distributed vertically at intervals on the upper terminal 40 and the lower terminal 41. The upper terminal 40 and the upper connector 42 have twelve pins 5, and the lower terminal 41 and the lower connector 43 have twelve pins 5, forming a symmetrical dual-in-line layout. This achieves a full DIP design with 24 pins in full pin configuration, solving the problem of solder bridging caused by densely packed surface mount pins 5 in the prior art. The spacing of the through-hole pins 5 is more controllable, reducing the risk of short circuits. The symmetrically distributed dual-in-line pins 5 balance the current / signal transmission path, reduce impedance inconsistencies, adapt to high-frequency transmission requirements, and avoid signal reflection and loss. The full DIP process eliminates the need to distinguish between surface mount and through-hole steps, simplifying the PCB assembly process and meeting the requirements of direct insertion and ease of use.

[0045] In this embodiment, both ends of the housing 1 are provided with wide plug-in tabs 11 and narrow plug-in tabs 12; both wide plug-in tabs 11 and narrow plug-in tabs 12 adopt a straight-insertion design and are inserted into the corresponding holes on the PCB board synchronously with the pins 5, and fixed by welding to form a multi-point mechanical support; the wide plug-in tab 11 provides the main support force, and the narrow plug-in tab 12 assists in positioning to avoid the connector tilting or falling off due to uneven force.

[0046] In this embodiment, the outward extension length of the narrow connector 12 is longer than the outward extension length of the pin 5. When inserted into the PCB board, it contacts the hole position before the pin 5, which plays a pre-positioning role, guides the pin 5 to be accurately inserted into the corresponding hole position, avoids the pin 5 bending or misalignment, ensures that the insertion depth of the pin 5 is consistent, ensures the soldering quality, and avoids the electrical performance being affected by poor contact of the pin 5. It can also protect the pin 5 when placed horizontally during transportation.

[0047] In this embodiment, the outer shell 1 has two connecting pieces 13 located at the terminal block 4, and each connecting piece 13 has a positioning post 14. The connecting pieces 13 on the outer shell 1 cooperate with the positioning holes on the PCB board through the positioning posts 14, realizing the initial fixation of the connector before soldering and preventing the connector from shifting during the insertion process; further improving the assembly accuracy, ensuring the alignment of the pins 5 with the PCB pads, and reducing signal transmission instability caused by misalignment; the positioning posts 14, the connecting pieces, and the pins 5 form a three-dimensional fixation, enhancing the overall bonding strength between the connector and the PCB board, and adapting to high-frequency vibration environments.

[0048] In this embodiment, the inner top of the inner shell 2 is provided with two spring pieces 21, and the inner bottom of the inner shell 2 is provided with two positioning strips 22.

[0049] The spring 21 at the top of the inner shell 2 is elastic and generates pressure when the external plug is inserted, ensuring that the plug and the pins 5 on the tongue plate 3 are in close contact. The positioning strip 22 at the bottom guides the plug to be inserted along a fixed trajectory, avoiding wear of the pins 5 caused by misaligned insertion and removal. This ensures the reliability of electrical contact during docking, reduces signal interruption or transmission loss caused by poor contact, and adapts to the needs of high-frequency signal transmission. It also extends the service life of the pins 5, solves the problem of loose connection caused by frequent insertion and removal in the background technology, and improves the durability of the connector.

[0050] The above description is merely an embodiment of this utility model and is not intended to limit the scope of this utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principle of this utility model should be included within the scope of the claims of this utility model.

Claims

1. A connector, characterized in that, The device includes an outer shell (1) and an inner shell (2). The bottom of the outer shell (1) is open. The inner shell (2) is located inside the outer shell (1). A horizontally arranged tongue plate (3) is provided inside the inner shell (2). A terminal block (4) is provided at the rear of the tongue plate (3). The terminal block (4) is provided with twenty-four equally spaced pins (5). Each pin (5) has an L-shaped structure and extends rearward and is exposed outside the outer shell (1). The terminal block (4) includes an upper terminal (40) and a lower terminal (41) that are interlocked. An integrally formed upper connecting seat (42) is provided at the rear of the upper terminal (40). The terminal (41) has an integrally formed lower connector (43) at the rear. The upper connector (42) has two insertion slots (44). The lower connector (43) has a plug block (45) that engages with the two insertion slots (44). The bottom of the upper terminal (40) has two diagonally arranged upper connecting posts (46) and two diagonally arranged upper connecting holes (47). The top of the lower terminal (41) has two diagonally arranged lower connecting posts (48) and two diagonally arranged lower connecting holes (49). The upper connecting posts (46) are engaged in the lower connecting holes (49), and the lower connecting posts (48) are engaged in the upper connecting holes (47).

2. The connector according to claim 1, characterized in that: Twenty-four pins (5) are distributed vertically on the upper terminal (40) and the lower terminal (41). The upper terminal (40) and the upper connector (42) are provided with twelve pins (5), and the lower terminal (41) and the lower connector (43) are provided with twelve pins (5).

3. A connector according to claim 1, characterized in that: Both ends of the outer casing (1) are provided with wide plug-in piece (11) and narrow plug-in piece (12).

4. A connector according to claim 3, characterized in that: The outward extension of the narrow connector (12) is longer than the outward extension of the pin (5).

5. A connector according to claim 1, characterized in that: The outer casing (1) has two connecting pieces (13) located at the terminal block (4), and each connecting piece (13) has a positioning post (14).

6. A connector according to claim 1, characterized in that: The inner top of the inner shell (2) is provided with two spring pieces (21), and the inner bottom of the inner shell (2) is provided with two positioning strips (22).

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