High-speed connector capable of improving welding precision of weld legs

Abstract

The utility model discloses a high-speed connector capable of improving the welding precision of weld legs, which comprises a plastic shell, an upper-row terminal weld leg fixing piece and a lower-row terminal weld leg fixing piece, and the middle parts of the upper-row terminal weld leg fixing piece and the lower-row terminal weld leg fixing piece are connected through a buckling structure. According to the utility model, the buckling structures are additionally arranged on the inner sides of the middle parts of the upper-row terminal welding leg fixing piece and the lower-row terminal welding leg fixing piece, and are assembled into the plastic shell together with the clamping points at the two ends, so that the whole planeness of the product is ensured to be in a three-point one-line state, and effective fixation is realized; in the high-temperature welding process of the product, due to the fact that the three-point-one-line structure of the product is fixed, high-temperature deformation can be controlled to be in the same trend direction, and the problems that the flatness consistency of the product is not stable and the like are effectively solved.

Description

Technical Field

[0001] The utility model relates to a connector, in particular to a high-speed connector capable of improving the welding accuracy of welding feet. Background Art

[0002] The existing solution to the flatness consistency of the solder pins of high-speed connectors is to insert the clamping points D on both sides of the solder pins of the lower part A and the upper part B into the plastic housing C for fixing (such as Figure 1 As shown in the figure, the upper part B and the lower part A are installed in the plastic shell C together, and the clamping points D on both sides of the product's welding feet are fixed at both ends of the plastic shell C, but the inner side between the upper part A and the lower part B is suspended in the air and is not effectively fixed; the product will generate high temperature during the welding process, and the upper part A and the lower part B will be deformed due to the high temperature. There is no restriction on the direction and position of the inner side of the welding feet of the two parts when deformed at high temperature, and the deformation trend is not uniform, so there is a risk of poor welding of the product welding feet. Summary of the invention

[0003] In order to overcome the shortcomings and deficiencies in the prior art, the utility model aims to provide a high-speed connector capable of improving the welding accuracy of the welding feet.

[0004] The purpose of the utility model is achieved through the following technical solutions: A high-speed connector capable of improving the welding accuracy of solder feet, comprising a plastic shell, an upper row of terminal solder feet fixtures and a lower row of terminal solder feet fixtures, wherein the middle parts of the upper row of terminal solder feet fixtures and the lower row of terminal solder feet fixtures are connected by a snap-fit ​​structure. The snap-fit ​​structure is used to connect the middle parts of the upper row of terminal solder feet fixtures and the lower row of terminal solder feet fixtures, and is not limited to setting up one set of snap-fit ​​structures, but can be multiple sets, so as to reduce the overhead distance between the two ends of the fixtures. A snap-fit ​​structure is added to the inner side between the upper row of terminal solder feet fixtures and the lower row of terminal solder feet fixtures, and is assembled into the plastic shell together with the card points at both ends to ensure that the entire flatness of the product is in a straight line of three points and is effectively fixed; during the high-temperature welding process of the product, the high-temperature deformation can be controlled in the same trend direction because the three-point-one-line structure of the product is fixed, effectively solving the problem of unstable flatness consistency of this product. During the assembly process, there is a snap-fit ​​structure in the middle of the product. When the upper row of terminal solder leg fixtures and the lower row of terminal solder leg fixtures are assembled, the middle position will be tightly connected, and there will be no problems such as deformation of parts causing excessive displacement of the front and rear positions of the solder legs, affecting the flatness, etc.

[0005] A first implementation method of the snap-fit ​​structure, the snap-fit ​​structure includes a plug-in groove arranged in the middle of the upper row terminal solder leg fixing piece and a plug-in block arranged in the middle of the lower row terminal solder leg fixing piece, the inner side surface of the plug-in groove is provided with an annular groove, and the side surface of the plug-in block is provided with an annular protrusion, when the plug-in block is inserted into the plug-in groove, the annular protrusion and the annular groove form a limit.

[0006] A second implementation of the snap-fit ​​structure, the snap-fit ​​structure includes an inserting groove arranged in the middle of the lower row terminal solder leg fixing piece and an inserting block arranged in the middle of the upper row terminal solder leg fixing piece, the inner side surface of the inserting groove is provided with an annular groove, and the side surface of the inserting block is provided with an annular protrusion, when the inserting block is inserted into the inserting groove, the annular protrusion and the annular groove form a limit.

[0007] As an improvement of the high-speed connector of the utility model which can improve the welding accuracy of the welding feet, two corresponding clamping side arms are arranged at intervals at one end of the plastic housing, and corresponding surfaces of the two clamping side arms are provided with clamping grooves.

[0008] As an improvement of the high-speed connector of the utility model which can improve the welding accuracy of the welding feet, first clamping blocks are provided at both ends of the upper row terminal welding foot fixing piece, and the outer sides of the two first clamping blocks are provided with limiting protrusions, and second clamping blocks are provided at both ends of the lower row terminal welding foot fixing piece.

[0009] As an improvement of the high-speed connector of the utility model that can improve the welding accuracy of the welding feet, the second card block and the first card block are both inserted from the card slot. The second card block is first inserted into the bottom of the card slot, and the first card block is then inserted along the card slot and abutted against the second card block.

[0010] As an improvement of the high-speed connector of the utility model which can improve the welding accuracy of the welding feet, the two clamping side arms are respectively provided with clamping holes, and when the first clamping block is embedded in the clamping groove, the limiting protrusion cooperates with the clamping hole to limit the position.

[0011] As an improvement of the high-speed connector of the utility model which can improve the welding accuracy of the welding feet, it also includes multiple upper row terminals and multiple lower row terminals, the welding feet of the multiple upper row terminals are arranged and fixed on the welding foot fixing parts of the upper row terminals, and the welding feet of the multiple lower row terminals are arranged and fixed on the welding foot fixing parts of the lower row terminals.

[0012] As an improvement of the high-speed connector of the utility model which can improve the welding accuracy of the soldering feet, a plug-in window is provided at the other end of the plastic shell, and positioning grooves are respectively provided at intervals on the upper and lower inner sides of the plug-in window, and the gold fingers of the upper row of terminals extend into the upper side positioning grooves of the plug-in window, and the gold fingers of the lower row of terminals extend into the lower side positioning grooves of the plug-in window.

[0013] As an improvement of the high-speed connector of the utility model that can improve the soldering accuracy of the soldering feet, positioning posts are respectively provided on both sides of the bottom surface of the plastic housing, and the cross-section of the positioning posts is D-shaped. The positioning posts can be plugged into the circuit board to position the connector and prevent the connector from moving when soldering the soldering feet.

[0014] The beneficial effects of the utility model are as follows: the utility model adds a snap-fit ​​structure on the inner side between the upper row terminal welding foot fixing piece and the lower row terminal welding foot fixing piece, and assembles them into the plastic shell together with the card points at both ends, so as to ensure that the entire flatness of the product is in a straight line between three points, and is effectively fixed; during the high-temperature welding process of the product, the high-temperature deformation can be controlled in the same trend direction because the three-point-one-line structure of the product is fixed, and the problem of unstable flatness consistency of this product can be effectively solved. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a stereogram of the prior art;

[0016] Figure 2 It is a three-dimensional diagram of the utility model;

[0017] The accompanying drawings are marked as follows: 1. plastic shell, 2. upper row terminal welding foot fixing piece, 3. lower row terminal welding foot fixing piece, 4. snap-fit ​​structure, 5. upper row terminal, 6. lower row terminal, 7. plug-in window, 8. positioning groove, 9. positioning column, 41. plug-in groove, 42. plug-in block, 11. snap-in side arm, 12. snap-in groove, 13. snap-in hole, 21. first snap-in block, 22. limiting protrusion. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] It should be noted that all directional indications (such as up, down, left, right, front, back...) in the embodiments of the present invention are only used to explain the relative position relationship, movement status, etc. between the components under a specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0020] In addition, the descriptions of "first", "second", etc. in the present utility model are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in the field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present utility model.

[0021] like Figure 2As shown, a high-speed connector capable of improving the welding accuracy of soldering feet includes a plastic housing 1, an upper row terminal soldering foot fixture 2 and a lower row terminal soldering foot fixture 3, and the middle parts of the upper row terminal soldering foot fixture 2 and the lower row terminal soldering foot fixture 3 are connected by a buckle structure 4. The buckle structure 4 is used to connect the middle parts of the upper row terminal soldering foot fixture 2 and the lower row terminal soldering foot fixture 3, and is not limited to setting one set of buckle structures 4, and can be multiple sets, so as to reduce the overhead distance between the two ends of the fixture. The buckle structure 4 is added to the inner side between the upper row terminal soldering foot fixture 2 and the lower row terminal soldering foot fixture 3, and is assembled into the plastic housing 1 together with the card points at both ends to ensure that the entire flatness of the product is in a straight line of three points and is effectively fixed; during the high-temperature welding process of the product, the high-temperature deformation can be controlled in the same trend direction due to the fixed structure of the three-point line of the product, effectively solving the problem of unstable flatness consistency of this product. During the assembly process, there is a snap-fit ​​structure in the middle of the product. When the upper row of terminal solder leg fixtures and the lower row of terminal solder leg fixtures are assembled, the middle position will be tightly connected, and there will be no problems such as deformation of parts causing excessive displacement of the front and rear positions of the solder legs, affecting the flatness, etc.

[0022] The first implementation method of the snap-fit ​​structure 4 is that the snap-fit ​​structure 4 includes a plug-in groove 41 arranged in the middle of the upper row terminal solder leg fixing part 2 and a plug-in block 42 arranged in the middle of the lower row terminal solder leg fixing part 3. The inner side surface of the plug-in groove 41 is provided with an annular groove, and the side surface of the plug-in block 42 is provided with an annular protrusion. When the plug-in block 42 is inserted into the plug-in groove 41, the annular protrusion and the annular groove form a limit.

[0023] The second implementation method of the snap-fit ​​structure 4 is that the snap-fit ​​structure 4 includes a plug-in groove arranged in the middle of the lower row terminal solder leg fixing part 2 and a plug-in block arranged in the middle of the upper row terminal solder leg fixing part 3, the inner side surface of the plug-in groove is provided with an annular groove, and the side surface of the plug-in block is provided with an annular protrusion, when the plug-in block is inserted into the plug-in groove, the annular protrusion and the annular groove form a limit.

[0024] Preferably, two corresponding clamping side arms 11 are spaced apart at one end of the plastic housing 1 , and corresponding surfaces of the two clamping side arms 11 are both provided with clamping grooves 12 .

[0025] Preferably, both ends of the upper row terminal welding leg fixing piece 2 are provided with a first clamping block 21, the outer side surfaces of the two first clamping blocks 21 are provided with a limiting protrusion 22, and both ends of the lower row terminal welding leg fixing piece 3 are provided with a second clamping block.

[0026] Preferably, the second card block and the first card block 21 are both inserted from the card slot 12. The second card block is first inserted to the bottom of the card slot 12, and the first card block 21 is then inserted along the card slot 12 and abuts against the second card block.

[0027] Preferably, the two clamping side arms 11 are respectively provided with clamping holes 13 , and when the first clamping block 21 is inserted into the clamping groove 12 , the limiting protrusion 22 cooperates with the clamping hole 13 to limit the position.

[0028] Preferably, it also includes multiple upper row terminals 5 and multiple lower row terminals 6, the welding feet of the multiple upper row terminals 5 are arranged and fixed on the upper row terminal welding foot fixing member 2, and the welding feet of the multiple lower row terminals 6 are arranged and fixed on the lower row terminal welding foot fixing member 3.

[0029] Preferably, a plug-in window 7 is provided at the other end of the plastic shell 1, and positioning grooves 8 are provided on the upper and lower inner sides of the plug-in window 7 respectively. The gold fingers of the upper row of terminals 5 extend into the upper side positioning grooves of the plug-in window, and the gold fingers of the lower row of terminals 6 extend into the lower side positioning grooves of the plug-in window.

[0030] Preferably, positioning posts 9 are respectively provided on both sides of the bottom surface of the plastic housing 1, and the cross section of the positioning posts 9 is D-shaped. The positioning posts 9 can be plugged into the circuit board to position the connector and prevent the connector from moving when soldering the pins.

[0031] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and structures of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A high-speed connector capable of improving the welding accuracy of soldering feet, comprising a plastic housing, an upper row terminal soldering foot fixing member and a lower row terminal soldering foot fixing member, characterized in that: The middle parts of the upper row terminal welding leg fixing piece and the lower row terminal welding leg fixing piece are connected by a buckling structure.

2. The high-speed connector capable of improving the welding accuracy of the welding feet according to claim 1, characterized in that: The snap-fit ​​structure includes an inserting groove arranged in the middle of the upper row terminal solder leg fixing piece and an inserting block arranged in the middle of the lower row terminal solder leg fixing piece. The inner side surface of the inserting groove is provided with an annular groove, and the side surface of the inserting block is provided with an annular protrusion. When the inserting block is inserted into the inserting groove, the annular protrusion and the annular groove form a limit.

3. The high-speed connector capable of improving the welding accuracy of soldering feet according to claim 1, characterized in that: The snap-fit ​​structure includes an inserting groove arranged in the middle of the lower row terminal solder leg fixing piece and an inserting block arranged in the middle of the upper row terminal solder leg fixing piece. The inner side surface of the inserting groove is provided with an annular groove, and the side surface of the inserting block is provided with an annular protrusion. When the inserting block is inserted into the inserting groove, the annular protrusion and the annular groove form a limit.

4. The high-speed connector capable of improving the welding accuracy of the welding feet according to claim 1, characterized in that: One end of the plastic housing is provided with two corresponding clamping side arms at intervals, and corresponding surfaces of the two clamping side arms are provided with clamping grooves.

5. The high-speed connector capable of improving the soldering accuracy of soldering feet according to claim 4, characterized in that: Both ends of the upper row terminal welding leg fixing piece are provided with a first clamping block, and the outer side surfaces of the two first clamping blocks are provided with a limiting protrusion, and both ends of the lower row terminal welding leg fixing piece are provided with a second clamping block.

6. The high-speed connector capable of improving the welding accuracy of the welding feet according to claim 5, characterized in that: The second card block and the first card block are both embedded in the card slot.

7. The high-speed connector capable of improving the soldering accuracy of soldering feet according to claim 6, characterized in that: The two clamping side arms are also respectively provided with clamping holes, and when the first clamping block is embedded in the clamping groove, the limiting protrusion cooperates with the clamping hole to limit the position.

8. The high-speed connector capable of improving the soldering accuracy of soldering feet according to claim 1, characterized in that: It also includes a plurality of upper row terminals and a plurality of lower row terminals. The welding feet of the plurality of upper row terminals are arranged and fixed on the welding foot fixing parts of the upper row terminals, and the welding feet of the plurality of lower row terminals are arranged and fixed on the welding foot fixing parts of the lower row terminals.

9. The high-speed connector capable of improving the soldering accuracy of soldering feet according to claim 8, characterized in that: A plug-in window is provided at the other end of the plastic shell, and positioning grooves are provided on the upper and lower inner sides of the plug-in window respectively. The gold fingers of the upper row of terminals extend into the upper side positioning grooves of the plug-in window, and the gold fingers of the lower row of terminals extend into the lower side positioning grooves of the plug-in window.

10. The high-speed connector capable of improving the soldering accuracy of soldering feet according to claim 1, characterized in that: Positioning posts are respectively arranged on both sides of the bottom surface of the plastic shell, and the cross section of the positioning posts is D-shaped.

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