Plug connector for coupler

Abstract

The connector clip comprises a male head and a female head, the female head comprises a base body, the outer side wall of the base body is provided with a corrugated section, one end of the base body is fixedly provided with a cable I, the other end of the base body is provided with a plugging head and a limiting surface, the plugging head is fixedly connected with the center of the base body, and the limiting surface is fixedly connected with the center of the base body. The limiting surface is annular and is fixedly connected with the plugging head to form a whole after surrounding the edge of the plugging head, the plugging head is internally provided with a plurality of jacks, one end of the male head is fixedly provided with a second cable, the other end of the male head is provided with a slot, the bottom of the slot is matched with the plugging head and is provided with pins matched with the plurality of jacks one by one, and the plugging head is fixedly connected with the male head. The second cable is electrically connected with the first cable after being matched with the multiple jacks one by one through the multiple pins, the male head is in interference fit with the corrugated section through the opening end of the inserting groove and then is connected to the female head in a sealed mode, and the side wall of the inserting groove is provided with a step face making contact with the limiting face. The beneficial effect of the utility model is that the purpose of improving the sealing effect at the plugging position is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field related to plug connectors, in particular to a plug connector for a coupler. Background Art

[0002] Connectors include male and female connectors, that is, plugs and sockets, and are widely used in people's daily lives. For example, various electrical appliances need to use connectors as a medium to obtain working power. With the development of society, connectors are also used in couplers.

[0003] In the prior art, when a male connector and a female connector are plugged together to connect a circuit, there is often a problem of poor sealing effect at the plug-in point between the two, which easily causes water to enter the circuit and cause circuit failure, and is not conducive to personal safety. Utility Model Content

[0004] The utility model aims to overcome the disadvantage of poor sealing effect at the plugging point between the male head and the female head in the prior art and provides a plug-in connector for a coupler which is beneficial to improving the sealing effect at the plugging point.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A connector for a coupler, comprising a male head and a female head, the female head comprising a base, an outer side wall of the base being provided with a corrugated section, a cable line 1 being fixed to one end of the base, a plug-in head and a limiting surface being provided at the other end of the base, the plug-in head being fixedly connected to the center of the base, the limiting surface being annular and surrounding the edge of the plug-in head and then being fixedly connected to the plug-in head and forming an integral body, a plurality of jacks being provided in the plug-in head, a cable line 2 being fixed to one end of the male head, a slot being provided at the other end of the male head, the bottom of the slot being matched with the plug-in head and being provided with pins matching with the plurality of jacks one by one, the cable line 2 being electrically connected to the cable line 1 after the plurality of pins and the plurality of jacks are matched one by one, the male head being sealedly connected to the female head after interference fit with the corrugated section through the opening end of the slot, and a step surface contacting with the limiting surface being provided on the side wall of the slot.

[0007] The female plug includes a base, an outer side wall of the base is provided with a corrugated section, a cable line 1 is fixed to one end of the base, a plug-in head and a limiting surface are provided at the other end of the base, the plug-in head is fixedly connected to the center of the base, the limiting surface is annular and is fixedly connected to the plug-in head and formed as a whole after being arranged around the edge of the plug-in head, a plurality of jacks are provided in the plug-in head, a cable line 2 is fixed to one end of the male plug, a slot is provided at the other end of the male plug, the bottom of the slot matches the plug-in head and is provided with pins that match the plurality of jacks one by one, the cable line 2 is electrically connected to the cable line 1 after the plurality of pins and the plurality of jacks are matched one by one, the male plug is sealedly connected to the female plug after the open end of the slot is interference fit with the corrugated section, and a step surface in contact with the limiting surface is provided on the side wall of the slot. When the female head and the male head are plugged in, the plug head is directly inserted into the bottom of the slot, so that several pins are inserted into the corresponding jacks, which is convenient for connecting the circuit. At the same time, the corrugated section on the substrate is interference-fitted with the inside of the open end of the slot. On the one hand, it is beneficial to improve the connection strength when the female head and the male head are plugged in, prevent accidents during electricity use, and improve safety. On the other hand, it achieves the purpose of improving the sealing effect of the plug-in point, prevents water from entering and causing circuit failures, and is beneficial to personal safety; the limit surface is in contact with the step surface, which plays a good indication role in the plug-in position of the female head and the male head. The operation is simple and quick, and at the same time it is beneficial to further improve the sealing of the plug-in point between the female head and the male head.

[0008] Preferably, a groove is provided on the side wall of the plug head, the length direction of the groove is parallel to the length direction of the plug head, one end of the groove is close to the base, the other end of the groove is away from the base, and the end of the groove away from the base is connected to the outside, and a convex rib matching the groove is provided on the bottom side wall of the slot. When the plug head is inserted into the bottom of the slot, the convex rib is inserted into the groove. This design plays a good role in indicating the female head and the male head when plugging, so that the female head and the male head can be quickly plugged into place, which is conducive to improving the operation efficiency.

[0009] Preferably, the end of the base is provided with a mounting groove matching the plug head, the limit surface is located outside the open end of the mounting groove, and the plug head is fixedly connected to the base through the mounting groove and is formed into one piece by injection molding. The plug head matches the mounting groove, which is beneficial to improving the connection strength and sealing and waterproof performance between the plug head and the base after injection molding.

[0010] Preferably, a plug is embedded in the plug head, and the plug is detachably connected to the end of the plug head. A plurality of metal jackets matching the pins are fixed on the plug. One end of the metal jacket is located in the corresponding socket and electrically connected to the pin. The other end of the metal jacket passes through the mounting groove and is located in the base and is formed as a whole with the base by injection molding. The other end of the metal jacket is electrically connected to the cable. The plug facilitates the detachable connection between the metal jacket and the plug head. During processing, the metal jacket is embedded in the plug head through the plug, so that one end of the metal jacket is located in the corresponding socket and the other end of the metal jacket is located outside the plug head. Then, while the plug head is formed as a whole with the base by injection molding, the other end of the metal jacket is also fixed to the base by injection molding to form a whole, thereby improving the overall structural strength and sealing and waterproof properties of the female head, and facilitating repeated plugging and unplugging.

[0011] Preferably, the end of the plug head is provided with a plurality of positioning grooves 1 distributed along its circumference, the positioning grooves 1 are located on the side of the blockage, and the mounting groove is provided with a plurality of positioning blocks matching the positioning grooves 1 one by one. The positioning grooves 1 and the positioning blocks match one by one, further improving the connection strength between the plug head and the base after injection molding.

[0012] Preferably, the male connector includes a rubber sleeve and a main body, the cable line 2 is fixedly connected to one end of the rubber sleeve and is formed into a whole by injection molding, one end of the main body is located in the other end of the rubber sleeve and is fixedly connected to the rubber sleeve and is formed into a whole by injection molding, the slot is located at the other end of the main body, the pin is fixedly connected to the main body and is formed into a whole by injection molding, one end of the pin is located in the slot, the other end of the pin passes through the bottom of the slot and is located in the rubber sleeve, the other end of the pin is electrically connected to the cable line 2, and the pin is fixedly connected to the rubber sleeve and is formed into a whole by injection molding. The male connector uses the rubber sleeve to form a whole with the cable line 2, the pin and the main body, which is beneficial to improving the waterproof sealing and structural connection strength of the male connector.

[0013] Preferably, a positioning ring is extended outward from one end of the main body, and a plurality of bases matching the pins are fixed in the positioning ring. The pins pass through the bottom of the slot and are located in the base. The other end of the pins passes through the bottom of the slot and the base in sequence and is located in the rubber sleeve. Two or more plug-in slots are arranged in the side wall of the positioning ring, and a positioning groove 2 matching the positioning ring is arranged at the end of the rubber sleeve. Two or more plug-in columns matching the plug-in slots are arranged in the positioning groove 2. The positioning ring matches the positioning groove 2, and the plug-in slot matches the corresponding plug-in column, which improves the connection strength between the main body and the rubber sleeve during injection molding of the male head, thereby improving the overall structural strength and sealing and waterproof properties of the male head, and facilitating repeated plugging and unplugging.

[0014] The beneficial effects of the utility model are: it is beneficial to improve the connection strength when the female head and the male head are plugged in, prevent accidents during the use of electricity, and improve safety; it achieves the purpose of improving the sealing effect of the plug-in point, prevents water from entering and causing circuit failures, and is beneficial to personal safety; the operation is simple and quick, which is beneficial to improving operating efficiency; the overall structural strength and sealing and waterproof properties of the female head and the male head are improved, and it is convenient for repeated plugging and unplugging. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the utility model;

[0016] Figure 2 This is a schematic diagram of the male connector;

[0017] Figure 3 and Figure 4 It is an exploded view of the female head;

[0018] Figure 5 and Figure 6 It is an exploded view of the male head.

[0019] In the figure: 1. male connector, 2. female connector, 3. base, 4. corrugated section, 5. cable line 1, 6. plug connector, 7. limit surface, 8. jack, 9. cable line 2, 10. slot, 11. pin, 12. step surface, 13. groove, 14. rib, 15. mounting slot, 16. plug, 17. metal jacket, 18. positioning slot 1, 19. positioning block, 20. rubber sleeve, 21. main body, 22. positioning ring, 23. plug column, 24. base, 25. plug slot, 26. positioning slot 2. DETAILED DESCRIPTION

[0020] The utility model is further described below in conjunction with the accompanying drawings and specific implementation methods.

[0021] like Figure 1 and Figure 2In the embodiment described, a connector for a coupler includes a male connector 1 and a female connector 2. The female connector 2 includes a base 3. The outer wall of the base 3 is provided with a corrugated section 4. A cable 5 is fixed to one end of the base 3. A plug head 6 and a limiting surface 7 are provided at the other end of the base 3. The plug head 6 is fixedly connected to the center of the base 3. The limiting surface 7 is annular and is fixedly connected to the plug head 6 after being arranged around the edge of the plug head 6 and forming an integral body. A plurality of jacks 8 are provided in the plug head 6. A cable line 2 9 is fixed at one end, and a slot 10 is provided at the other end of the male connector 1. The bottom of the slot 10 matches the plug head 6 and is provided with pins 11 that match the plurality of sockets 8 one by one. The cable line 2 9 is electrically connected to the cable line 1 5 after the plurality of pins 11 and the plurality of sockets 8 match one by one. The male connector 1 is sealedly connected to the female connector 2 after an interference fit is made with the corrugated section 4 through the open end of the slot 10. A step surface 12 that contacts the limit surface 7 is provided on the side wall of the slot 10.

[0022] like Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, a groove 13 is provided on the side wall of the plug head 6, and the length direction of the groove 13 is parallel to the length direction of the plug head 6, one end of the groove 13 is close to the base 3, and the other end of the groove 13 is far away from the base 3, and the end of the groove 13 away from the base 3 is connected to the outside, and a convex rib 14 matching the groove 13 is provided on the bottom side wall of the slot 10.

[0023] like Figure 1 and Figure 4 As shown, a mounting groove 15 matching the plug head 6 is provided at the end of the base 3, and the limiting surface 7 is located outside the opening end of the mounting groove 15. The plug head 6 is fixedly connected to the base 3 through the mounting groove 15 and is formed into one piece by injection molding.

[0024] like Figure 3 As shown, a plug 16 is embedded in the plug head 6, and the plug 16 is detachably connected to the end of the plug head 6. A plurality of metal jackets 17 that match the pins 11 one by one are fixed on the plug 16. One end of the metal jacket 17 is located in the corresponding socket 8 and is electrically connected to the pin 11. The other end of the metal jacket 17 passes through the mounting groove 15 and is located in the base 3 and is formed as a whole with the base 3 by injection molding. The other end of the metal jacket 17 is electrically connected to the cable line 5.

[0025] like Figure 3 and Figure 4 As shown, the end of the plug head 6 is provided with a plurality of positioning grooves 18 distributed along its circumference, the positioning grooves 18 are located on the side of the plug 16, and the mounting groove 15 is provided with a plurality of positioning blocks 19 that match the positioning grooves 18 one by one.

[0026] like Figure 2 , Figure 5 and Figure 6 As shown, the male connector 1 includes a rubber sleeve 20 and a main body 21, the cable 29 is fixedly connected to one end of the rubber sleeve 20 and is formed into a whole by injection molding, one end of the main body 21 is located in the other end of the rubber sleeve 20 and is fixedly connected to the rubber sleeve 20 and is formed into a whole by injection molding, the slot 10 is located at the other end of the main body 21, the pin 11 is fixedly connected to the main body 21 and is formed into a whole by injection molding, one end of the pin 11 is located in the slot 10, the other end of the pin 11 passes through the bottom of the slot 10 and is located in the rubber sleeve 20, the other end of the pin 11 is electrically connected to the cable 29, and the pin 11 is fixedly connected to the rubber sleeve 20 and is formed into a whole by injection molding.

[0027] like Figure 5 and Figure 6 As shown, a positioning ring 22 is extended outward from one end of the main body 21, and a plurality of bases 24 matching the pins 11 are fixed in the positioning ring 22. The pins 11 pass through the bottom of the slot 10 and are limited to the base 24. The other end of the pin 11 passes through the bottom of the slot 10 and the base 24 in sequence and is located in the rubber sleeve 20. Two or more plug-in grooves 25 are provided in the side wall of the positioning ring 22, and a second positioning groove 26 matching the positioning ring 22 is provided at the end of the rubber sleeve 20. Two or more plug-in columns 23 matching the plug-in grooves 25 are provided in the second positioning groove 26.

[0028] When the female connector 2 is plugged into the male connector 1, the operator aligns the groove 13 with the corresponding rib 14, and the plug head 6 is directly inserted into the bottom of the slot 10 until the limit surface 7 contacts the step surface 12. A number of pins 11 are inserted into the corresponding jacks 8 to facilitate circuit connection. At the same time, the corrugated section 4 on the base 3 is interference fit with the open end of the slot 10. On the one hand, the connection strength of the female connector 2 and the male connector 1 when plugged in is improved to prevent accidents during power use and improve safety. On the other hand, it achieves the purpose of improving the sealing effect of the plug-in joint, preventing water from causing circuit failures and benefiting personal safety.

[0029] The plug 16 facilitates the detachable connection between the metal jacket 17 and the plug head 6. During processing, the metal jacket 17 is embedded in the plug head 6 through the plug 16, so that one end of the metal jacket 17 is located in the corresponding socket 8, and the other end of the metal jacket 17 is located outside the plug head 6. Then, when the plug head 6 is injection-molded into one piece with the base 3, the other end of the metal jacket 17 is also fixed to the base 3 through injection molding to form a whole, thereby improving the overall structural strength and sealing and waterproof properties of the female head 2, and facilitating repeated plugging and unplugging.

[0030] The positioning ring 22 matches the positioning groove 26, and the plug-in groove 25 matches the corresponding plug-in column 23. The male connector 1 is injection-molded with the cable line 29, the pin 11 and the main body 21 through the rubber sleeve 20 to form an integral whole, which improves the connection strength between the main body 21 and the rubber sleeve 20 during the injection molding of the male connector 1, thereby improving the overall structural strength and sealing and waterproof properties of the male connector 1, and facilitating repeated plugging and unplugging.

Claims

1. A connector for a coupler, characterized in that: The invention comprises a male connector (1) and a female connector (2), wherein the female connector (2) comprises a base (3), an outer wall of the base (3) is provided with a corrugated section (4), one end of the base (3) is fixed with a cable (5), the other end of the base (3) is provided with a plug connector (6) and a limiting surface (7), the plug connector (6) is fixedly connected to the center of the base (3), the limiting surface (7) is annular and is arranged around the edge of the plug connector (6) and is fixedly connected to the plug connector (6) to form an integral body, the plug connector (6) is provided with a plurality of sockets (8), one end of the male connector (1) is fixed with a cable (5), and the other end of the base (3) is provided with a plug connector (6) and a limiting surface (7), the plug connector (6) is fixedly connected to the center of the base (3), the limiting surface (7) is annular and is arranged around the edge of the plug connector (6) and is fixedly connected to the plug connector (6) to form an integral body, the plug connector (6) is provided with a plurality of sockets (8), and one end of the male connector (1) is fixed with a cable (5). The second cable (9) has a slot (10) at the other end of the male connector (1), the bottom of the slot (10) matches the plug head (6) and is provided with pins (11) that match the plurality of sockets (8) one by one, the second cable (9) is electrically connected to the first cable (5) through the plurality of pins (11) and the plurality of sockets (8) that match one by one, the male connector (1) is sealedly connected to the female connector (2) through the open end of the slot (10) and the corrugated section (4) through interference fit, and the side wall of the slot (10) is provided with a step surface (12) that contacts the limit surface (7).

2. A connector for a coupler according to claim 1, characterized in that: A groove (13) is provided on the side wall of the plug head (6), the length direction of the groove (13) is parallel to the length direction of the plug head (6), one end of the groove (13) is close to the base body (3), the other end of the groove (13) is away from the base body (3), the end of the groove (13) away from the base body (3) is connected to the outside, and a convex rib (14) matching the groove (13) is provided on the bottom side wall of the slot (10).

3. A connector for a coupler according to claim 1, characterized in that: An installation groove (15) matching the plug head (6) is provided at the end of the base (3); the limit surface (7) is located outside the open end of the installation groove (15); and the plug head (6) is fixedly connected to the base (3) via the installation groove (15) and is formed integrally by injection molding.

4. A connector for a coupler according to claim 3, characterized in that: The plug head (6) is embedded with a plug (16), and the plug (16) is detachably connected to the end of the plug head (6). A plurality of metal jackets (17) that match the plug pins (11) are fixed to the plug (16), one end of the metal jacket (17) is located in the corresponding socket (8) and is electrically connected to the plug pin (11), the other end of the metal jacket (17) passes through the mounting groove (15) and is located in the base body (3) and is formed integrally with the base body (3) by injection molding, and the other end of the metal jacket (17) is electrically connected to the cable line (5).

5. A connector for a coupler according to claim 4, characterized in that: The end of the plug head (6) is provided with a plurality of positioning grooves (18) distributed along its circumference, the positioning grooves (18) being located on the side of the plug (16), and the mounting groove (15) is provided with a plurality of positioning blocks (19) matching the positioning grooves (18) one by one.

6. A coupler connector according to claim 1 or 2 or 3 or 4 or 5, characterized in that: The male connector (1) comprises a rubber sleeve (20) and a main body (21); the second cable (9) is fixedly connected to one end of the rubber sleeve (20) and is formed into one piece by injection molding; one end of the main body (21) is located in the other end of the rubber sleeve (20) and is fixedly connected to the rubber sleeve (20) and is formed into one piece by injection molding; the slot (10) is located at the other end of the main body (21); the plug pin (11) is fixedly connected to the main body (21) and is formed into one piece by injection molding; one end of the plug pin (11) is located in the slot (10); the other end of the plug pin (11) passes through the bottom of the slot (10) and is located in the rubber sleeve (20); the other end of the plug pin (11) is electrically connected to the second cable (9); the plug pin (11) is fixedly connected to the rubber sleeve (20) and is formed into one piece by injection molding.

7. A connector for a coupler according to claim 6, characterized in that: A positioning ring (22) is extended outward from one end of the main body (21), and a plurality of bases (24) matching the plug pins (11) are fixed in the positioning ring (22). The plug pin (11) passes through the bottom of the slot (10) and is located in the base (24). The other end of the plug pin (11) passes through the bottom of the slot (10) and the base (24) in sequence and is located in the rubber sleeve (20). Two or more plug-in slots (25) are arranged in the side wall of the positioning ring (22), and a second positioning slot (26) matching the positioning ring (22) is arranged at the end of the rubber sleeve (20). Two or more plug-in columns (23) matching the plug-in slots (25) are arranged in the second positioning slot (26).

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