Stable high-temperature-resistant reflow soldering connector

Abstract

The utility model discloses a stable high temperature resistant reflow soldering connector. According to the technical scheme, the socket comprises a socket body and a plug matched with the socket body in an inserted mode, the socket body comprises a socket shell and a set of PINs arranged at the bottom of the socket shell, the upper end of the socket shell is provided with an inserted cavity for the plug to be inserted, the plug comprises a plug shell and a set of female terminals arranged in the plug shell, and the female terminals are arranged in the socket shell. Each PIN comprises an upper plugging part, a crimping section and a lower plugging part, the crimping section is sequentially provided with a first conical widening part, a second conical widening part and a square widening part which are gradually widened, the bottom of the socket shell is provided with a pinhole, and the upper end of the pinhole is provided with a square positioning groove and the first conical widening part.

Description

Technical Field

[0001] The utility model belongs to the field of electronic components, and in particular relates to a stable high-temperature resistant reflow soldering connector. Background Art

[0002] A reflow soldering connector refers to a connector used in the reflow soldering process, and is mainly used for the welding and assembly of electronic components. The structure of the reflow soldering connector includes: a socket and a plug that is plugged into the socket. The socket includes a socket shell and a group of PIN pins arranged at the bottom of the socket shell. A plug-in cavity for the plug to be inserted is provided at the upper end of the socket shell. The plug includes a plug shell and a group of female terminals arranged in the plug shell. The disadvantages of traditional reflow soldering connectors are: 1. Due to the high temperature generated when the PIN pin is reflowed, the socket shell is partially melted, which can easily cause the PIN pin to sink or fall off; 2. After the PIN pin is plugged into the socket shell, the stability is poor and it is easy to tilt, which affects the precise docking with the female terminal; 3. The stability of the connection between the female terminal and the plug shell is poor, and it is easy to shake or fall off. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a stable high-temperature resistant reflow soldering connector.

[0004] To solve the above problems, the technical solution adopted by the utility model includes: a socket and a plug that is plugged into and matched with the socket, the socket including a socket shell and a group of PIN pins arranged at the bottom of the socket shell, the upper end of the socket shell is provided with a plug-in cavity for inserting the plug, the plug including a plug shell and a group of female terminals arranged in the plug shell, the PIN pin includes an upper plug-in portion, a crimping section and a lower plug-in portion, the crimping section is provided with a first conical widening portion, a second conical widening portion and a square widening portion that gradually widen, a pinhole is provided at the bottom of the socket shell, and a square positioning groove is provided at the upper end of the pinhole, the first conical widening portion and the second conical widening portion are crimped into the pinhole, and the square widening portion is crimped into the square positioning groove.

[0005] A small supporting foot is provided on one side of the bottom of the socket, and large supporting feet are provided at both ends of the other side, and a first positioning piece is pressed onto the large supporting foot.

[0006] A group of key slots arranged at intervals are arranged on the side wall of the plug cavity of the socket shell, and positioning keys adapted to the key slots are arranged on the plug shell.

[0007] An elastic buckle is integrally formed in the middle of the upper end surface of the female terminal, and a second positioning piece is integrally formed on one side corresponding to the elastic buckle, and third positioning pieces are integrally formed on both sides of the lower end surface of the female terminal. A terminal hole is provided in the plug housing for positioning and matching with the second positioning piece and the third positioning piece, and a clamping platform is provided at the rear end of the terminal hole for clamping with the elastic buckle.

[0008] The side wall of the inserting cavity of the socket shell is provided with a group of support ribs arranged at intervals, and the side wall of the plug shell is contacted with the side wall through the support ribs.

[0009] A lock buckle connected to the socket shell is provided on one side of the plug shell, and a lock groove adapted to the lock buckle is provided in the socket shell.

[0010] The advantages of the stable high-temperature resistant reflow soldering connector of the utility model are as follows: 1. By plugging into the socket shell through the gradually widening first conical widening portion, the second conical widening portion and the square widening portion, not only the connection strength with the socket shell can be improved, but also the installation accuracy of the PIN needle can be improved to prevent skew; 2. By setting the square widening portion, the problem of PIN needle sinking or falling off can be effectively solved; 3. By setting the positioning piece structure on the female terminal, the installation accuracy and stability of the female terminal can be effectively improved.

[0011] The utility model is further described below in conjunction with the accompanying drawings of the specification. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the structure of the utility model stable high temperature resistant reflow soldering connector;

[0013] Figure 2 It is a cross-sectional view of the utility model stable high temperature resistant reflow soldering connector;

[0014] Figure 3 It is a structural schematic diagram of the socket of the utility model;

[0015] Figure 4 It is a schematic diagram of the structure of the PIN needle of the utility model;

[0016] Figure 5 It is a cross-sectional view of the socket housing of the utility model;

[0017] Figure 6 It is a structural schematic diagram of the female terminal of the utility model;

[0018] Figure 7 It is a cross-sectional view of the plug housing of the utility model. DETAILED DESCRIPTION

[0019] Reference Figure 1-Figure 7As shown, the stable high temperature resistant reflow soldering connector of the utility model comprises a socket 1 and a plug 2 which is plugged with the socket 1. The socket 1 comprises a socket shell 3 and a group of PIN pins 4 arranged at the bottom of the socket shell 3. The upper end of the socket shell 3 is provided with a plug cavity 5 for inserting the plug 2. The plug 2 comprises a plug shell 6 and a group of female terminals 7 arranged in the plug shell 6. When the socket 1 and the plug 2 are plugged together, the upper end of the PIN pin 4 is inserted into the female terminal 7 to realize the conduction of the circuit. The PIN pin 4 comprises an upper plug-in portion 8, a crimping section 9 and a lower plug-in portion 10, and the crimping section 9 is provided with a first tapered widening portion 11, a second tapered widening portion 12 and a square widening portion 13 which are gradually widened in sequence. Ideally: gradually widen by 0.5-1 mm in sequence to ensure the stability of the crimping. A pinhole 14 is provided at the bottom of the socket shell 3, and a square positioning groove 15 is provided at the upper end of the pinhole 14. The first conical widened portion 11 and the second conical widened portion 12 are pressed into the pinhole 14 , and the square widened portion 13 is pressed into the square positioning groove 15 .

[0020] Preferably, a small support foot 16 is provided on one side of the bottom of the socket 1, and large support feet 17 are provided at both ends of the other side, and a first positioning piece 18 is crimped on the large support foot 17. The small support foot 16, the large support foot 17 and the first positioning piece 18 can make the socket 1 and the PCB board more securely fixed, and at the same time play a fool-proof role for the socket 1. During assembly: the small support foot 16 and the large support foot 17 are supported on the surface of the PCB board, and the first positioning piece 18 is inserted into the positioning groove of the PCB board.

[0021] Preferably, the side wall of the plug cavity 5 of the socket housing 3 is provided with a group of spaced key slots 19, and the plug housing 6 is provided with positioning keys 20 adapted to the key slots 19, so as to improve the stability of the plug housing 6 after being plugged into the socket housing 3, and at the same time play a foolproof role for the plug housing 6.

[0022] Preferably, an elastic snap 21 is integrally formed in the middle of the upper end surface of the female terminal 7, and a second positioning piece 22 is integrally formed on one side corresponding to the elastic snap 21, and a third positioning piece 23 is integrally formed on both sides of the lower end surface of the female terminal 7. A terminal hole 24 is provided in the plug housing 6 to be positioned and matched with the second positioning piece 22 and the third positioning piece 23, and a clamping platform 27 is provided at the rear end of the terminal hole 24 to be clamped with the elastic snap 21. When the female terminal 7 is inserted into the plug housing 6, the second positioning piece 22 and the third positioning piece 23 are positioned on the side of the terminal hole 24, and the clamping platform 27 clamped with the elastic snap 21 ensures the stability of the female terminal 7 after insertion, and at the same time plays a role in preventing the female terminal 7 from retreating.

[0023] Preferably, the side wall of the plug cavity 5 of the socket housing 3 is provided with a group of spaced support ribs 25, which are in contact with the side wall of the plug housing 6 through the support ribs 25, so as to reduce the contact area between the two, thereby reducing friction, making plugging and unplugging smoother, and effectively preventing the housing from getting stuck.

[0024] Preferably, a lock buckle 26 connected to the socket housing 3 is provided on one side of the plug housing 6, and a lock groove 28 adapted to the lock buckle 26 is provided in the socket housing 3 to play a locking role after plugging to prevent the connector from accidentally falling off.

[0025] As mentioned above, the present invention is not limited in any form. Although the present invention has been disclosed as a preferred implementation case as above, it is not used to limit the present invention. Any technician familiar with the profession can make some changes or modifications to the equivalent implementation cases of equivalent changes by using the above-disclosed structures and technical contents without departing from the scope of the technical solution of the present invention. However, any simple modifications, equivalent changes and modifications made to the above implementation cases based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A stable high temperature resistant reflow soldering connector, comprising a socket (1) and a plug (2) pluggable with the socket (1), the socket (1) comprising a socket housing (3) and a group of PIN pins (4) arranged at the bottom of the socket housing (3), the upper end of the socket housing (3) being provided with an insertion cavity (5) for inserting the plug (2), the plug (2) comprising a plug housing (6) and a group of female terminals (7) arranged in the plug housing (6), characterized in that: The PIN pin (4) comprises an upper plug-in portion (8), a crimping section (9) and a lower plug-in portion (10); the crimping section (9) is provided with a first tapered widening portion (11), a second tapered widening portion (12) and a square widening portion (13) which gradually widen in sequence; a pinhole (14) is provided at the bottom of the socket housing (3); and a square positioning groove (15) is provided at the upper end of the pinhole (14); the first tapered widening portion (11) and the second tapered widening portion (12) are crimped into the pinhole (14), and the square widening portion (13) is crimped into the square positioning groove (15).

2. The stable high temperature resistant reflow soldering connector according to claim 1, characterized in that: A small supporting foot (16) is provided on one side of the bottom of the socket (1), and large supporting feet (17) are provided at both ends of the other side, and a first positioning piece (18) is crimped onto the large supporting foot (17).

3. The stable high temperature resistant reflow soldering connector according to claim 1, characterized in that: A group of key slots (19) arranged at intervals are provided on the side wall of the plug cavity (5) of the socket housing (3), and a positioning key (20) adapted to the key slots (19) is provided on the plug housing (6).

4. The stable high temperature resistant reflow soldering connector according to claim 1, characterized in that: An elastic buckle (21) is integrally formed in the middle of the upper end surface of the female terminal (7), and a second positioning piece (22) is integrally formed on one side corresponding to the elastic buckle (21); third positioning pieces (23) are integrally formed on both sides of the lower end surface of the female terminal (7); a terminal hole (24) is provided in the plug housing (6) and is positioned and matched with the second positioning piece (22) and the third positioning piece (23); and a clamping platform (27) is provided at the rear end of the terminal hole (24) and is clamped with the elastic buckle (21).

5. The stable high temperature resistant reflow soldering connector according to claim 1, characterized in that: The side wall of the plug cavity (5) of the socket housing (3) is provided with a group of support ribs (25) arranged at intervals, and is in contact with the side wall of the plug housing (6) through the support ribs (25).

6. The stable high temperature resistant reflow soldering connector according to claim 1, characterized in that: A lock buckle (26) connected to the socket shell (3) is provided on one side of the plug shell (6), and a lock groove (28) adapted to the lock buckle (26) is provided in the socket shell (3).

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