Clamping opening type horizontally-attached side-inserted board-to-board connector

Abstract

The utility model discloses a clamping mouth type horizontal pasting side plug board-to-board connector, which comprises a horizontal pasting electric connector and a side plug electric connector, the horizontal pasting electric connector comprises a horizontal pasting insulation seat body and a plurality of horizontal pasting conductive terminals, the upper end of each horizontal pasting conductive terminal is provided with a clamping mouth part, and the lower end of each horizontal pasting conductive terminal is provided with a bottom surface welding part; the side-inserted electric connector comprises a side-inserted insulating seat body and a plurality of side-inserted conductive terminals, the lower ends of the side-inserted conductive terminals are provided with contact pins matched with the clamping opening parts, and the upper ends of the side-inserted conductive terminals are transversely bent towards the outer side and are provided with side welding parts. According to the utility model, the side surface welding part is arranged on the side-plugging conductive terminal, so that the circuit board can be connected with the side surface of the side-plugging electric connector, and two circuit boards which are perpendicular to each other are connected through the cooperation with the horizontal pasting electric connector; the horizontally-attached conductive terminal is provided with a clamping opening part, so that the contact pin of the laterally-inserted conductive terminal can be ensured to be effectively and electrically connected with the horizontally-attached conductive terminal.

Description

Technical Field

[0001] The utility model belongs to the field of board-to-board connectors, in particular to a clamping type horizontal side-insertion board-to-board connector. Background Art

[0002] Board-to-board connectors, also known as board-to-board connectors, are used to connect different printed circuit boards (PCBs) and play a crucial role in electronic devices. Board-to-board connectors achieve a stable electrical connection between PCBs through the insertion and mating of their pins and sockets, responsible for transmitting electrical signals, power, and data. They not only provide a carrier for current and signals but also offer easy disassembly. They are widely used in electronic devices such as computers, mobile phones, tablets, and digital cameras, as well as in larger equipment such as automobiles and industrial control equipment.

[0003] As an essential electrical connection component in electronic devices, board-to-board connectors play a vital role in modern electronics. With the continuous advancement of technology and increasing application demands, the performance and application scope of board-to-board connectors will continue to expand and improve. However, existing board-to-board connectors are generally used to connect two parallel circuit boards. In some cases, the two circuit boards to be connected are perpendicular to each other, which requires improvements to the existing board-to-board connector structure. Utility Model Content

[0004] In view of the above-mentioned deficiencies in the prior art, the technical problem to be solved by the present invention is to provide a clamping-type horizontal side-insertion board-to-board connector.

[0005] In order to solve the above technical problems, the present invention provides the following technical solutions:

[0006] The connector has a cam portion for camming the connector to the left of the connector and a bottom portion for connecting the connector to the connector, the bottom portion for connecting the connector to the connector being secured to the connector by the cam portion.

[0007] Furthermore, a plug-in slot is provided at the lower end of the side-insulating seat, and the shape of the plug-in slot is adapted to the shape of the horizontal insulating seat; the pins of the side-insulating conductive terminals extend downward into the plug-in slot.

[0008] Furthermore, two rows of horizontal conductive terminals are symmetrically arranged in the horizontal insulating seat body, and a row of first side plug-in conductive terminals and a row of second side plug-in conductive terminals are arranged in the side plug-in insulating seat body. The row of first side plug-in conductive terminals corresponds to the row of horizontal conductive terminals, and the row of second side plug-in conductive terminals corresponds to the other row of horizontal conductive terminals.

[0009] Furthermore, the first side-insertion conductive terminal includes a first pin, a first side welding portion, and a first connecting portion connecting the first pin and the first side welding portion, wherein the first pin and the first side welding portion are both vertically arranged; the first connecting portion is L-shaped, including a first vertical section and a first horizontal section, wherein the lower end of the first vertical section is connected to the first pin, one end of the first horizontal section is connected to the first vertical section, and the other end is connected to the first side welding portion;

[0010] The side-plug insulating seat body is respectively provided with a first side-plug terminal groove corresponding to each first side-plug conductive terminal, and the first side-plug terminal groove includes a first vertical groove vertically penetrating the top surface of the side-plug insulating seat body and connected to the plug-in groove, a second vertical groove vertically opened on the upper part of the side surface of the side-plug insulating seat body, and a first horizontal groove opened on the top surface of the side-plug insulating seat body and connecting the first vertical groove and the second vertical groove; the first vertical section is located in the first vertical groove, the first horizontal section is located in the first horizontal groove, and the first side welding portion is located in the second vertical groove.

[0011] Furthermore, the second side-plug conductive terminal includes a second pin, a second side welding portion, and a second connecting portion connecting the second pin and the second side welding portion, the second connecting portion includes a second horizontal segment connected to the second pin, a third horizontal segment connected to the second side welding portion, and a second vertical segment connecting the second horizontal segment and the third horizontal segment;

[0012] The side-plug insulating seat body is respectively provided with a second side-plug terminal groove corresponding to each second side-plug conductive terminal, and the second side-plug terminal groove includes a second horizontal groove opened at the groove bottom of the plugging groove, a third vertical groove opened on the side groove wall of the plugging groove and connected to the second horizontal groove, a third horizontal groove penetrating the side groove wall of the plugging groove, and a fourth vertical groove opened at the lower part of the side surface of the side-plug insulating seat body; the second horizontal section is located in the second horizontal groove, the second vertical section is located in the third vertical groove, the third horizontal section is located in the third horizontal groove, and the second side welding portion is located in the fourth vertical groove.

[0013] Furthermore, the second connecting portion also includes two third vertical sections, the two third vertical sections are located above the second horizontal section and are respectively connected to the two ends of the second horizontal section; the second side plug-in terminal slot also includes two fifth vertical slots located above the second horizontal slot, the two fifth vertical slots are respectively connected to the two ends of the second horizontal slot; the two third vertical sections are respectively located in the two fifth vertical slots.

[0014] Furthermore, the horizontal insulating seat is respectively provided with a horizontal terminal groove corresponding to each horizontal conductive terminal, and the horizontal terminal groove includes a vertically arranged seat groove and a horizontally arranged first welding groove, the seat groove upwardly penetrates the top surface of the horizontal insulating seat, and the clamping portion is located in the seat groove; the first welding groove is connected to the lower end of the seat groove, and the first welding groove penetrates the bottom surface of the horizontal insulating seat; the bottom surface welding portion is located in the first welding groove, and one end of the bottom surface welding portion is outwardly passed through the side surface of the horizontal insulating seat.

[0015] Furthermore, the thickness of the insertion pin is greater than the thickness of the clamping portion, and a widening groove is respectively provided on the groove wall on both sides of the seat groove, and the shapes defined by the two widening grooves are adapted to the shape of the insertion pin.

[0016] Furthermore, the clamping portion includes two clamping arms arranged opposite to each other, and a clamping space is formed between the two clamping arms; the front end of each clamping arm is respectively provided with a clamping portion protruding into the clamping space, and the minimum distance between the two clamping portions is less than the width of the pin.

[0017] Furthermore, one side of the clamping portion is provided with an outer bevel, and the outer bevels of the two clamping portions form a trumpet mouth that is wide on the outside and narrow on the inside; and the front end of the pin is provided with a tapered portion.

[0018] In this utility model, by providing side soldering portions on the side-insertion conductive terminals, a circuit board can be connected to the side of the side-insertion electrical connector, thereby connecting two perpendicular circuit boards through cooperation with the horizontal electrical connector. The horizontal conductive terminals are provided with clamping portions to ensure effective electrical connection with the pins of the side-insertion conductive terminals. In addition, by designing the shapes of the first and second side-insertion conductive terminals, two rows of side-insertion conductive terminals can be firmly connected to the side-insertion insulating base, thereby increasing the number of signal connections in the connector. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0020] Figure 1The present invention is a schematic structural diagram of an embodiment of a clamp-type horizontal side-insertion board-to-board connector.

[0021] Figure 2 It is a structural diagram of a horizontal electrical connector.

[0022] Figure 3 It is a cross-sectional schematic diagram of a horizontal electrical connector.

[0023] Figure 4 It is a cross-sectional schematic diagram of the horizontal insulating seat.

[0024] Figure 5 It is a structural diagram of the horizontal conductive terminal.

[0025] Figure 6 This is a schematic diagram of the structure of the side plug-in connector.

[0026] Figure 7 It is a cross-sectional schematic diagram of the side plug-in connector.

[0027] Figure 8 This is a structural diagram of the first side plug-in conductive terminal.

[0028] Figure 9 It is a cross-sectional schematic diagram of the side-insulated seat.

[0029] Figure 10 This is a structural diagram of the second side conductive terminal.

[0030] The accompanying drawings in this specification are numeraled as follows:

[0031] Horizontal electrical connector 100; horizontal insulating base 110; extension 111; guide 112; first positioning post 113; horizontal terminal slot 120; base slot 121; first welding slot 122; widening slot 123;

[0032] Horizontal conductive terminal 150; clamping portion 151; bottom welding portion 152; fin 153; clamping arm 161; clamping space 162; clamping portion 163; outer bevel 164; bell mouth 165;

[0033] Side-plug electrical connector 200; side-plug insulating base 210; plugging slot 211; guide slot 212; second positioning post 213; first side-plug terminal slot 220; first vertical slot 221; second vertical slot 222; first horizontal slot 223; narrow slot 224; second side-plug terminal slot 230; second horizontal slot 231; third vertical slot 232; third horizontal slot 233; fourth vertical slot 234; fifth vertical slot 235; notch 236;

[0034] First side plug-in conductive terminal 250; first plug pin 251; first tapered portion 252; first side welding portion 253; first connecting portion 260; first vertical section 261; first horizontal section 262; first abutting portion 263;

[0035] Second side plug conductive terminal-270; second plug pin-271; second tapered portion-272; second side welding portion-273; second connecting portion-280; second horizontal section-281; ​​third vertical section-282; third horizontal section-283; second vertical section-284; second abutting portion-285. DETAILED DESCRIPTION

[0036] The following describes the implementation of the present invention through specific examples. The illustrations provided in the following embodiments are only used to schematically illustrate the basic concept of the present invention. The following embodiments and features in the embodiments can be combined with each other unless there is any conflict.

[0037] See also Figure 1 , Figure 1 The schematic diagram of the structure of a clamp-type horizontal side plug board-to-board connector according to an embodiment of the present invention comprises a horizontal electrical connector 100 and a side plug electrical connector 200 mated with the horizontal electrical connector 100.

[0038] See also Figure 2 and Figure 3 The horizontal electrical connector 100 includes a horizontal insulating base 110 and a plurality of horizontal conductive terminals 150 inserted and fixed in the horizontal insulating base 110. The upper end of the horizontal conductive terminal 150 is provided with a clamping portion 151 for contacting the pin. The lower end of the horizontal conductive terminal 150 is provided with a bottom surface welding portion 152. The end surface of the bottom surface welding portion 152 is flush with the bottom surface of the horizontal insulating base 110 or protrudes downward from the bottom surface of the horizontal insulating base 110, so as to facilitate welding and fixing the bottom surface welding portion 152 to a horizontally arranged circuit board (hereinafter referred to as the horizontal circuit board). Two first positioning columns 113 are generally vertically provided on the bottom surface of the horizontal insulating base 110 to facilitate accurate positioning of the horizontal electrical connector 100 when connected to the horizontal circuit board.

[0039] See also Figure 4The insulated base 110 is provided with a corresponding terminal slot 120 for each conductive terminal 150. The terminal slot 120 includes a vertical base slot 121 and a horizontal first welding slot 122. The base slot 121 extends upward through the top surface of the insulated base 110, and the clamping portion 151 is located in the base slot 121. The first welding slot 122 is connected to the lower end of the base slot 121 and extends through the bottom surface of the insulated base 110 to expose the bottom welding portion 152. The bottom welding portion 152 is located in the first welding slot 122, and one end of the bottom welding portion 152 generally extends outward from the side of the insulated base 110 to facilitate connection with the conductive terminal 150 during testing. In this embodiment, at least one fin 153 extending obliquely upward is provided on both sides of the horizontal conductive terminal 150, so that the horizontal conductive terminal 150 is fixed in the horizontal terminal slot 120 through the tight fit between the fin 153 and the slot wall of the seat slot 121.

[0040] See also Figure 5 The clamping portion 151 includes two opposing clamping arms 161, forming a clamping space 162 between the two clamping arms 161 to accommodate the pin. Each clamping arm 161 has a clamping portion 163 at its front end, protruding into the clamping space 162. The minimum distance between the two clamping portions 163 is less than the width of the pin, thereby exerting a clamping force on the inserted pin and ensuring good contact between the clamping portion 151 and the pin.

[0041] See also Figure 6 and Figure 7 The side-plug electrical connector 200 includes a side-plug insulator housing 210 and a plurality of side-plug conductive terminals fixedly mounted in the side-plug insulator housing 210. The lower ends of the side-plug conductive terminals are provided with pins that mate with the clamping portion 151. In this embodiment, the clamping portion 163 is provided with an outer bevel 164 on one side. The outer bevels 164 of the two clamping portions 163 form a bell mouth 165 that is wide on the outside and narrow on the inside. Furthermore, the front ends of the pins are provided with a tapered portion to facilitate guiding the pins through the engagement of the tapered portion and the bell mouth 165. The thickness of the pins (in the y-axis direction) is greater than that of the clamping portion 151. A widening groove 123 is also provided on each side of the housing slot 121. The shape of the two widening grooves 123 matches the shape of the pins, facilitating their insertion into the housing slot 121.

[0042] The upper end of the side-insertion conductive terminal is bent laterally outward and provided with a side soldering portion. The end surface of the side soldering portion is flush with the side surface of the side-insertion insulating base 210 or protrudes outward from the side surface of the side-insertion insulating base 210, so as to facilitate soldering and fixing the side soldering portion to a vertically mounted circuit board (hereinafter referred to as a vertical circuit board). Two second positioning posts 213 are generally horizontally provided on the side surface of the side-insertion insulating base 210 to facilitate accurate positioning of the side-insertion electrical connector 200 when connected to the vertical circuit board.

[0043] In this embodiment, to ensure a secure connection between the horizontally attached electrical connector 100 and the side-plug electrical connector 200, a plugging slot 211 is provided at the lower end of the side-plug insulating body 210. The shape of the plugging slot 211 matches that of the horizontally attached insulating body 110. The pins of the side-plug conductive terminals extend downwardly into the plugging slot 211 to facilitate connection with the horizontally attached conductive terminals 150. A downwardly opening guide slot 212 is provided on each side of the side-plug insulating body 210. Outwardly extending extensions 111 are provided on each side of the horizontally attached insulating body 110. Guide portions 112 are provided on each extension 111. The shape of the guide portions 112 matches that of the guide slots 212. When the horizontally attached electrical connector 100 and the side-plug electrical connector 200 are connected, the upper portion of the horizontally attached electrical connector 100 extends into the plugging slot 211, and the guide portions 112 extend into the guide slots 212. An L-shaped copper piece 114 is also clamped in the guide portion 112 .

[0044] In this embodiment, the horizontally attached insulating base 110 is symmetrically provided with two rows of horizontally attached conductive terminals 150, and the side-inserting insulating base 210 is provided with a row of first side-inserting conductive terminals 250 and a row of second side-inserting conductive terminals 270 (i.e., the side-inserting conductive terminals are divided into first side-inserting conductive terminals 250 and second side-inserting conductive terminals 270). The row of first side-inserting conductive terminals 250 corresponds to one row of horizontally attached conductive terminals 150 (i.e., the first side-inserting conductive terminals 250 correspond one-to-one with one row of horizontally attached conductive terminals 150), and the row of second side-inserting conductive terminals 270 corresponds to the other row of horizontally attached conductive terminals 150 (i.e., the second side-inserting conductive terminals 270 correspond one-to-one with the other row of horizontally attached conductive terminals 150).

[0045] See also Figure 8The pin of the first side plug-in conductive terminal 250 is a first pin 251, and the tapered portion of the first pin 251 is a first tapered portion 252. The side welding portion of the first side plug-in conductive terminal 250 is a first side welding portion 253. Specifically, the first side plug-in conductive terminal 250 includes a first pin 251, a first side welding portion 253, and a first connecting portion 260 connecting the first pin 251 and the first side welding portion 253. The first pin 251 and the first side welding portion 253 are both vertically arranged. The first connecting portion 260 is "L"-shaped and includes a first vertical section 261 and a first horizontal section 262. The lower end of the first vertical section 261 is connected to the first pin 251, one end of the first horizontal section 262 is connected to the first vertical section 261, and the other section is connected to the first side welding portion 253.

[0046] See also Figure 9 The side-insulating body 210 is provided with a first side-insulating terminal slot 220 corresponding to each first side-insulating conductive terminal 250. The first side-insulating terminal slot 220 includes a first vertical slot 221 extending vertically through the top surface of the side-insulating body 210 and communicating with the insertion slot 211; a second vertical slot 222 extending vertically along the upper side surface of the side-insulating body 210; and a first horizontal slot 223 extending vertically along the top surface of the side-insulating body 210 and connecting the first vertical slot 221 and the second vertical slot 222. The first vertical section 261 is located in the first vertical slot 221, the first horizontal section 262 is located in the first horizontal slot 223, and the first side welding portion 253 is located in the second vertical slot 222. In this embodiment, the first vertical slot 221 is connected to the plug-in slot 211 through a narrow slot 224, and the width of the narrow slot 224 is adapted to the width of the first pin 251; the rear end of the first pin 251 is located in the narrow slot 224 to facilitate positioning of the first pin 251, and the front end of the first pin 251 extends into the plug-in slot 211.

[0047] At least one side of the first vertical section 261 is further provided with at least one outwardly protruding first abutting portion 263. The first side plug-in conductive terminal 250 is secured within the first side plug-in terminal slot 220 through the tight fit between the first abutting portion 263 and the wall of the first vertical slot 221. The first side welding portion 253 may also be provided with a welding protrusion 254 that extends upward from the top surface of the side plug-in insulating base 210 to facilitate connection with the first side plug-in conductive terminal 250 during testing.

[0048] See also Figure 10The pin of the second side plug conductive terminal 270 is a second pin 271, and the tapered portion of the second pin 271 is a second tapered portion 272. The side welding portion of the second side plug conductive terminal 270 is a second side welding portion 273. Specifically, the second side plug conductive terminal 270 includes a second pin 271, a second side welding portion 273, and a second connecting portion 280 connecting the second pin 271 and the second side welding portion 273. The second connecting portion 280 includes a second horizontal segment 281 connected to the second pin 271, a third horizontal segment 283 connected to the second side welding portion 273, and a second vertical segment 282 connecting the second horizontal segment 281 and the third horizontal segment 283.

[0049] Please continue reading Figure 9 The side-insulating body 210 is provided with a second side-insulating terminal slot 230 corresponding to each second side-insulating conductive terminal 270. The second side-insulating terminal slot 230 includes a second horizontal slot 231 defined at the bottom of the inserting slot 211, a third vertical slot 232 defined on the side wall of the inserting slot 211 and connected to the second horizontal slot 231, a third horizontal slot 233 extending through the side wall of the inserting slot 211, and a fourth vertical slot 234 defined at the lower side of the side-insulating body 210. The second horizontal section 281 is located in the second horizontal slot 231, the second vertical section 282 is located in the third vertical slot 232, the third horizontal section 283 is located in the third horizontal slot 233, and the second side welding portion 273 is located in the fourth vertical slot 234. In this embodiment, to simplify the structure of the side-insulating body 210, the third horizontal slots 233 are interconnected to form a single, integrated notch 236.

[0050] To facilitate positioning and securing the second side plug-in conductive terminal 270, the second connecting portion 280 further includes two third vertical segments 284. These segments 284 are located above the second horizontal segment 281 and are respectively connected to the ends of the second horizontal segment 281. The second side plug-in terminal slot 230 further includes two fifth vertical slots 235 located above the second horizontal slot 231 and are respectively connected to the ends of the second horizontal slot 231. The two third vertical segments 284 are respectively located in the fifth vertical slots 235. At least one of the third vertical segments 284 is further provided with at least one outwardly protruding second abutting portion 285 on one side. The second side plug-in conductive terminal 270 is secured in the second side plug-in terminal slot 230 through the tight fit between the second abutting portion 285 and the wall of the fifth vertical slot 235.

[0051] In this invention, by providing side soldering portions on the side-inserting conductive terminals, a circuit board can be connected to the side of the side-inserting electrical connector 200, thereby connecting two perpendicular circuit boards together through cooperation with the horizontally attached electrical connector 100. The horizontally attached conductive terminals 150 are provided with clips 151 to ensure effective electrical connection with the pins of the side-inserting conductive terminals. Furthermore, the design of the first side-inserting conductive terminals 250 and the second side-inserting conductive terminals 270 allows for a secure connection between the two rows of side-inserting conductive terminals on the side-inserting insulating base 210, thereby increasing the number of signal connections in the connector.

[0052] The above embodiments merely represent preferred implementations of the present invention. While the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that a person skilled in the art would be able to make various modifications and improvements without departing from the concept of the present invention, and these modifications and improvements fall within the scope of protection of the present invention. Therefore, the scope of protection of the present utility model patent shall be determined by the appended claims.

Claims

1. A clamp-type horizontal side-insertion board-to-board connector, characterized by: It includes a horizontal electrical connector and a side plug-in electrical connector that is plugged into and matched with the horizontal electrical connector, the horizontal electrical connector includes a horizontal insulating base and a plurality of horizontal conductive terminals inserted and fixed in the horizontal insulating base, the upper end of the horizontal conductive terminal is provided with a clamping portion, the lower end of the horizontal conductive terminal is provided with a bottom welding portion, the end face of the bottom welding portion is flush with the bottom surface of the horizontal insulating base or protrudes downwardly from the bottom surface of the horizontal insulating base; the side plug-in electrical connector includes a side plug-in insulating base and a plurality of side plug-in conductive terminals inserted and fixed in the side plug-in insulating base, the lower end of the side plug-in conductive terminal is provided with a pin that cooperates with the clamping portion, the upper end of the side plug-in conductive terminal is bent laterally outward and provided with a side welding portion, the end face of the side welding portion is flush with the side surface of the side plug-in insulating base or protrudes outward from the side surface of the side plug-in insulating base.

2. The clamp-type horizontal side-insertion board-to-board connector according to claim 1, characterized in that: The lower end of the side-insulating seat is provided with a plug-in slot, the shape of which matches the shape of the lying insulating seat; the plug-in pins of the side-insulating conductive terminals extend downward into the plug-in slot.

3. The clamp-type horizontal side-insertion board-to-board connector according to claim 2, characterized in that: Two rows of horizontal conductive terminals are symmetrically arranged in the horizontal insulating base body, and a row of first side plug-in conductive terminals and a row of second side plug-in conductive terminals are arranged in the side plug-in insulating base body. The row of first side plug-in conductive terminals corresponds to one row of horizontal conductive terminals, and the row of second side plug-in conductive terminals corresponds to the other row of horizontal conductive terminals.

4. The clamp-type horizontal side-insertion board-to-board connector according to claim 3, characterized in that: The first side-insertion conductive terminal includes a first pin, a first side welding portion, and a first connecting portion connecting the first pin and the first side welding portion, wherein the first pin and the first side welding portion are both vertically arranged; the first connecting portion is L-shaped, including a first vertical section and a first horizontal section, wherein the lower end of the first vertical section is connected to the first pin, one end of the first horizontal section is connected to the first vertical section, and the other end is connected to the first side welding portion; The side-plug insulating seat body is respectively provided with a first side-plug terminal groove corresponding to each first side-plug conductive terminal, and the first side-plug terminal groove includes a first vertical groove vertically penetrating the top surface of the side-plug insulating seat body and connected to the plug-in groove, a second vertical groove vertically opened on the upper part of the side surface of the side-plug insulating seat body, and a first horizontal groove opened on the top surface of the side-plug insulating seat body and connecting the first vertical groove and the second vertical groove; the first vertical section is located in the first vertical groove, the first horizontal section is located in the first horizontal groove, and the first side welding portion is located in the second vertical groove.

5. The clamp-type horizontal side-insertion board-to-board connector according to claim 3, characterized in that: The second side-plug conductive terminal includes a second pin, a second side welding portion, and a second connecting portion connecting the second pin and the second side welding portion, the second connecting portion includes a second horizontal segment connected to the second pin, a third horizontal segment connected to the second side welding portion, and a second vertical segment connecting the second horizontal segment and the third horizontal segment; The side-plug insulating seat body is respectively provided with a second side-plug terminal groove corresponding to each second side-plug conductive terminal, and the second side-plug terminal groove includes a second horizontal groove opened at the groove bottom of the plugging groove, a third vertical groove opened on the side groove wall of the plugging groove and connected to the second horizontal groove, a third horizontal groove penetrating the side groove wall of the plugging groove, and a fourth vertical groove opened at the lower part of the side surface of the side-plug insulating seat body; the second horizontal section is located in the second horizontal groove, the second vertical section is located in the third vertical groove, the third horizontal section is located in the third horizontal groove, and the second side welding portion is located in the fourth vertical groove.

6. The clamp-type horizontal side-insertion board-to-board connector according to claim 5, characterized in that: The second connecting portion also includes two third vertical sections, which are located above the second horizontal section and are respectively connected to the two ends of the second horizontal section; the second side plug-in terminal slot also includes two fifth vertical slots located above the second horizontal slot, which are respectively connected to the two ends of the second horizontal slot; the two third vertical sections are respectively located in the two fifth vertical slots.

7. The clamp-type horizontal side-insertion board-to-board connector according to claim 3, characterized in that: The horizontal insulating seat is provided with a horizontal terminal groove corresponding to each horizontal conductive terminal, and the horizontal terminal groove includes a vertically arranged seat groove and a horizontally arranged first welding groove. The seat groove passes through the top surface of the horizontal insulating seat upward, and the clamping part is located in the seat groove; the first welding groove is connected to the lower end of the seat groove, and the first welding groove passes through the bottom surface of the horizontal insulating seat; the bottom surface welding part is located in the first welding groove, and one end of the bottom surface welding part passes outward from the side surface of the horizontal insulating seat.

8. The clamp-type horizontal side-insertion board-to-board connector according to claim 7, characterized in that: The thickness of the insertion pin is greater than that of the clamping portion. A widening groove is provided on the groove walls on both sides of the seat groove. The shapes defined by the two widening grooves are adapted to the shape of the insertion pin.

9. The clamp-type horizontal side-insertion board-to-board connector according to any one of claims 1 to 8, characterized in that: The clamping portion includes two clamping arms arranged opposite to each other, and a clamping space is formed between the two clamping arms; the front end of each clamping arm is respectively provided with a clamping portion protruding into the clamping space, and the minimum distance between the two clamping portions is less than the width of the pin.

10. The clamp-type horizontal side-insertion board-to-board connector according to claim 9, characterized in that: One side of the clamping portion is provided with an outer inclined surface, and the outer inclined surfaces of the two clamping portions form a trumpet mouth that is wide outside and narrow inside; the front end of the pin is provided with a tapered portion.

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