Terminal fixing structure

Abstract

The utility model provides a terminal fixing structure, which comprises a terminal body and a plurality of terminal force arms, and is characterized in that the rear end of the terminal body is provided with a plurality of terminal embedding parts along a first direction, and the terminal embedding parts are fixedly provided with the corresponding terminal force arms; the terminal force arm comprises a first supporting arm and a second supporting arm, the first supporting arm is fixed in the terminal embedding part in the second direction, the second supporting arm is fixedly connected with the second end of the first supporting arm, the bottom surface of the first supporting arm is fixedly connected with a positioning piece, the positioning piece inclines towards the second supporting arm, and when the first supporting arm enters the terminal embedding part, the positioning piece is fixed on the terminal embedding part. The positioning piece is in contact with the bottom surface of the terminal embedding part, the positioning piece can generate elastic deformation to approach the bottom surface of the first supporting arm, an inclined positioning groove is formed in the bottom of the terminal embedding part, the positioning piece rebounds when reaching the position above the positioning groove, and the positioning piece is clamped with the positioning groove. Through the elastic positioning cooperation of the terminal embedding part and the terminal force arm, the stable installation of the terminal is ensured, and the high-frequency signal transmission performance is optimized at the same time.

Description

TECHNICAL FIELD

[0001] The utility model relates to electronic connector technical field especially relates to a terminal fixing structure. BACKGROUND

[0002] With the increasing demand for high-speed signal transmission in electronic devices and communication systems, the design of traditional terminals in connectors is facing more and more challenges. Especially in high-frequency signal transmission applications, the stability and signal quality of the terminal directly affect the performance of the device. The design of the traditional terminal fixing structure usually relies on the fixing components after inserting the plastic PIN hole.

[0003] However, the traditional terminal fixing structure provides fixing force through friction, but this may increase the insertion loss and return loss of signal transmission, especially in high-frequency transmission, these losses have an adverse effect on signal quality, and aggravate the high-frequency crosstalk. SUMMARY

[0004] The purpose of the present application is to provide a terminal fixing structure to solve the problem of the stability and signal quality of the terminal fixing structure in the prior art in high-frequency transmission.

[0005] To achieve this purpose, the following technical solutions are adopted:

[0006] The present application provides a terminal fixing structure, which comprises a terminal body and a plurality of terminal force arms, wherein:

[0007] The rear end of the terminal body is provided with a plurality of terminal fitting parts along the first direction, the terminal fitting parts extend along the second direction, and the terminal fitting parts are configured to fixedly install the corresponding terminal force arms;

[0008] The terminal force arm comprises a first support arm and a second support arm, the first support arm is fixed in the terminal fitting part along the second direction, the second support arm is located at the rear end of the terminal body and is fixedly connected with the second end of the first support arm, the bottom surface of the first support arm is fixedly connected with a positioning piece, the positioning piece is inclined towards the second support arm, when the first support arm enters the terminal fitting part, the positioning piece contacts the bottom surface of the terminal fitting part, the positioning piece can be elastically deformed to approach the bottom surface of the first support arm, the bottom of the terminal fitting part is provided with an inclined positioning groove, the positioning groove is engaged with the positioning piece, the positioning piece rebounds above the positioning groove, and the positioning piece is clamped with the positioning groove.

[0009] Optionally, the second support arm abuts against the rear end surface of the terminal body along the vertical direction at the opening of the terminal fitting part along the second direction.

[0010] Optionally, there is a gap between the outer wall of the first end of the first support arm and the terminal fitting part, and the second end of the first support arm abuts against the top surface of the terminal fitting part.

[0011] Optionally, the terminal body rear end face is fixedly provided with a plurality of limiting blocks in the first direction, the limiting blocks are located on both sides of the second support arm, and the limiting blocks are configured to limit the second support arm in the second direction.

[0012] Optionally, the terminal body is provided with a fixed soldering sheet at at least one outermost end in the first direction, and the fixed soldering sheet can be inserted into the terminal body in the second direction.

[0013] Optionally, the first support arm, the second support arm and the positioning piece are integrally formed.

[0014] Optionally, the first support arm is in a curved shape, and the curved shape provides a preset length of the force arm.

[0015] Compared with the prior art, the fixing structure of the terminal provided in the application has the following advantages:

[0016] 1) The elastic positioning cooperation between the terminal fitting part and the terminal force arm provides a terminal force arm with a barb structure, which not only ensures stable installation of the terminal, but also optimizes high-frequency signal transmission performance, reduces insertion loss and return loss, improves signal integrity of high-frequency transmission, and reduces crosstalk and interference.

[0017] 2) The second support arm is in close contact with the rear end face of the opening of the terminal fitting part, and limits the terminal force arm as a whole in the second direction, thereby enhancing the stability and reliability after fixing.

[0018] 3) By designing the first support arm in a curved shape, the convenience of terminal installation is improved, and high-elasticity support after fixing is ensured, thereby reducing vibration and stress concentration in high-frequency transmission. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate and understand the technical solutions in the embodiments of the application, the drawings needed in the background and embodiments of the application will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the application, and other drawings can be obtained by those skilled in the art without creative labor on the basis of the contents of the embodiments of the application and the drawings.

[0020] Figure 1 is a perspective structural schematic diagram of the fixing structure of the terminal provided by the embodiments of the application;

[0021] Figure 2 is a side view cross-sectional view of the fixing structure of the terminal provided by the embodiments of the application;

[0022] Figure 3 is Figure 1 is an enlarged schematic view of A in FIG. DETAILED DESCRIPTION

[0023] To facilitate understanding of this application, a more complete description of the application will be provided below with reference to the accompanying drawings. Preferred embodiments of the application are shown in the drawings. However, the application can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to provide a more thorough and complete understanding of the disclosure of this application. It should be noted that when a component is referred to as being "fixed to" another component, it can be directly on the other component or there may be an intermediate component. When a component is referred to as being "connected to" another component, it can be directly connected to the other component or there may be an intermediate component. The terms "vertical," "horizontal," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only possible implementations. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the specification of this application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0024] Please see Figures 1 to 3 As shown in the embodiment of this application, a terminal fixing structure is provided, which includes a terminal body 10 and a plurality of terminal lever arms 20, wherein:

[0025] The rear end of the terminal body 10 along the first direction ( Figure 1 A plurality of terminal fitting portions 11 are provided in the second direction (X direction), and the terminal fitting portions 11 are provided along the second direction (X direction). Figure 1 Extending in the Y direction, the terminal fitting part 11 is configured to fix and install the corresponding terminal lever 20;

[0026] The terminal lever arm 20 includes a first support arm 21 and a second support arm 22. The first support arm 21 is fixed in the terminal fitting part 11 along the second direction. The second support arm 22 is located at the rear end of the terminal body 10 and is fixedly connected to the second end of the first support arm 21. A positioning member 210 is fixedly connected to the bottom surface of the first support arm 21. The positioning member 210 is inclined toward the second support arm 22. When the first support arm 21 enters the terminal fitting part 11, the positioning member 210 contacts the bottom surface of the terminal fitting part 11. The positioning member 210 can generate elastic deformation to move closer to the bottom surface of the first support arm 21. An inclined positioning groove is opened at the bottom of the terminal fitting part 11. The positioning groove fits with the positioning member 210. When the positioning member 210 reaches the top of the positioning groove, it rebounds and engages with the positioning groove.

[0027] Through the elastic positioning cooperation of the terminal fitting part 11 and the terminal force arm 20, a terminal force arm 20 with a barb structure is provided, which not only ensures the stable installation of the terminal, but also optimizes the high-frequency signal transmission performance, reduces the insertion loss and return loss, improves the signal integrity of high-frequency transmission, and reduces the crosstalk and interference.

[0028] In an embodiment, the second support arm 22 abuts against the rear end surface of the terminal body 10 in the vertical direction at the opening of the terminal fitting part 11 in the second direction.

[0029] The second support arm 22 is in close contact with the rear end surface of the opening of the terminal fitting part 11, and the overall terminal force arm 20 is limited in the second direction, thereby enhancing the stability and reliability after fixation.

[0030] In an embodiment, the first end outer wall of the first support arm 21 has a gap with the terminal fitting part 11, and the second end of the first support arm 21 abuts against the top surface of the terminal fitting part 11.

[0031] A reasonable gap and contact point are provided between the first support arm 21 and the terminal fitting part 11, which reduces the installation resistance during assembly and enhances the connection stability.

[0032] In an embodiment, a plurality of limiting blocks 12 are fixedly arranged on the rear end surface of the terminal body 10 in the first direction, the limiting blocks 12 are located on both sides of the second support arm 22, and the limiting blocks 12 are configured to limit the second support arm 22 in the second direction.

[0033] The second support arm 22 is limited by the limiting blocks 12 on both sides, which improves the structural strength and vibration resistance of the terminal force arm 20 and adapts to the environment of high-frequency signal transmission.

[0034] In an embodiment, a fixed soldering pad 13 is arranged on at least one end of the outermost side of the terminal body 10 in the first direction, and the fixed soldering pad 13 can be inserted into the terminal body 10 in the second direction.

[0035] The fixed soldering pad 13 is arranged on both ends of the terminal body and is soldered with the solder pad on the circuit board, so that the terminal is firmly fixed on the circuit board, and the alignment with the circuit board is more accurate, and the installation deviation is reduced.

[0036] In an embodiment, the first support arm 21, the second support arm 22 and the positioning member 210 are integrally formed.

[0037] The structure of the terminal force arm 20 is simplified by the integrally formed design, which improves the product manufacturing efficiency and enhances the overall strength and durability of the structure.

[0038] In an embodiment, the first support arm 21 is in a curved shape, and the curved shape provides a preset force arm length.

[0039] By designing the first support arm 21 in a curved shape, the convenience of terminal installation is improved, and high elastic support after fixation is ensured, reducing vibration and stress concentration in high-frequency transmission.

[0040] The above examples only illustrate the basic principles and characteristics of the present application, and the present application is not limited to the above examples. Various changes and modifications can be made to the present application without departing from the spirit and scope of the present application, and these changes and modifications all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A fixing structure of a terminal, characterized by comprising: The fixing structure of the terminal comprises a terminal body and a plurality of terminal force arms, wherein: The terminal body rear end is provided with a plurality of terminal fitting parts along a first direction, the terminal fitting parts extend along a second direction, and the terminal fitting parts are configured to fixedly install corresponding terminal force arms; The terminal force arm comprises a first support arm and a second support arm, the first support arm is fixed in the terminal fitting part along the second direction, the second support arm is located at the terminal body rear end and is fixedly connected with the second end of the first support arm, the bottom surface of the first support arm is fixedly connected with a positioning piece, the positioning piece is inclined towards the second support arm, when the first support arm enters the terminal fitting part, the positioning piece is in contact with the bottom surface of the terminal fitting part, the positioning piece can be elastically deformed to move close to the bottom surface of the first support arm, the bottom of the terminal fitting part is provided with an inclined positioning groove, the positioning groove is matched with the positioning piece, the positioning piece rebounds when reaching above the positioning groove, and the positioning piece is clamped with the positioning groove.

2. The fixing structure of the terminal according to claim 1, characterized by The second support arm abuts against the rear end surface of the terminal body along the vertical direction at the opening of the terminal fitting part along the second direction.

3. The fixing structure of the terminal according to claim 1, characterized by The first end outer wall of the first support arm has a gap with the terminal fitting part, and the second end of the first support arm abuts against the top surface of the terminal fitting part.

4. The fixing structure of the terminal according to claim 1, characterized by The rear end surface of the terminal body is fixedly provided with a plurality of limiting blocks along the first direction, the limiting blocks are located on both sides of the second support arm, and the limiting blocks are configured to limit the second support arm along the second direction.

5. The terminal fixing structure according to claim 1, wherein The terminal body is provided with a fixed soldering sheet at at least one outermost end along the first direction, and the fixed soldering sheet can be inserted into the terminal body along the second direction.

6. The fixing structure of the terminal according to claim 1, characterized by The first support arm, the second support arm and the positioning piece are integrally formed.

7. The fixing structure of the terminal according to claim 1, characterized by The first support arm is in a curved shape, and the curved shape provides a preset force arm length.

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