USB 2.0 connector capable of being positively and negatively plugged

Abstract

The utility model relates to a USB 2.0 connector capable of being plugged positively and negatively, a female seat connector comprises a first shell, a first rubber core and a first terminal, and the first rubber core is implanted into a first middle through hole of the first shell and is provided with a tongue piece part arranged in the middle; the plurality of first terminals and the first rubber core are formed together through injection molding; meanwhile, the first contact parts are symmetrically arranged up and down and are respectively exposed on the upper and lower surfaces of the tongue piece part; the male connector comprises a second shell, a second rubber core and a second terminal; the second rubber core is implanted into a second middle through hole of the second shell and is provided with a butt joint groove; the second terminals and the second rubber core are formed together through injection molding, and the second contact parts are arranged in a row and extend out of the upper side wall of the butt joint groove. During plugging combination, the second shell is inserted into the first middle through hole, the tongue piece part is inserted into the second middle through hole and extends into the butt joint groove, and the second contact part is in contact conduction connection with the first contact part on the corresponding surface of the tongue piece part, so that signal transmission is realized, and the connector has the function of being plugged in both the front and the back, and is simple in structure and practical.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of electric connector, especially to a USB2.0 connector with normal and reverse insertion. BACKGROUND

[0002] The common USB connector does not have the function of normal and reverse insertion, and is easy to be inserted reversely when transmitting data or charging with data line, which wastes time and causes damage to the data line. Therefore, how to solve the problem of normal and reverse insertion of the USB connector is an urgent problem, and the utility model provides a new solution for the above problem, i.e. the present application. SUMMARY

[0003] The utility model discloses a USB2.0 connector with normal and reverse insertion, which has the function of normal and reverse insertion, simple structure, easy to manufacture and practical.

[0004] To achieve the above purpose, the utility model adopts the following technical scheme:

[0005] A USB2.0 connector with normal and reverse insertion has a female connector and a male connector matched with each other,

[0006] The female connector comprises a first housing, a first rubber core and a first terminal, the first housing is provided with a first through hole, the first rubber core is implanted in the first through hole of the first housing, and the front end of the first rubber core has a tongue piece part, which protrudes along the center line direction of the first through hole and is arranged centrally in the first through hole, the first terminal is connected with the first rubber core by injection molding, the first terminal has a plurality of first contact parts arranged in an upper and lower symmetrical manner and exposed on the upper and lower surfaces of the tongue piece part,

[0007] The male connector comprises a second housing, a second rubber core and a second terminal, the second housing is provided with a second through hole, the second rubber core is implanted in the second through hole of the second housing, and the second rubber core has a docking groove with an opening facing forward, the second terminal has a plurality of second contact parts arranged in a row and protruding from the upper side wall of the docking groove,

[0008] When the male connector and the female connector are combined, the second housing is inserted into the first through hole, the tongue piece part of the first rubber core is inserted into the second through hole and extends into the docking groove, the second contact part contacts the first contact part on the corresponding surface of the tongue piece part to realize signal transmission.

[0009] The first glue core is provided with first barbs on left and right sides and a first stopper at a rear end of the first glue core, the first barbs are buckled with first buckling grooves prearranged on inner walls of the first middle through hole, and the first stopper supports a rear end of the first outer shell.

[0010] The first terminal has first soldering pins extending from the rear end of the first glue core, and all the first soldering pins are arranged in a row.

[0011] The second glue core is provided with second barbs on left and right sides and a second stopper at a rear end of the second glue core, the second barbs are buckled with second buckling grooves prearranged on inner walls of the second middle through hole, and the second stopper supports a rear end of the second outer shell.

[0012] The second middle through hole of the second outer shell is provided with a protection cross beam, the protection cross beam is horizontally arranged at a front end of the second contact part, and a lower side of the protection cross beam is flush with an inner upper side wall of the butt joint groove; the second contact part is designed to be curved and is provided with a lap joint end at the front end, and the lap joint end is lapped on the protection cross beam.

[0013] The butt joint groove is U-shaped in cross section, and a height of a groove opening of the butt joint groove is consistent with a thickness of the tongue part in the same direction.

[0014] The first middle through hole is a square hole, and an outer shape of the second outer shell matches the first middle through hole.

[0015] With the above structure, the utility model has the following beneficial effects:

[0016] 1. The first contact part of the first terminal of the female seat connector is arranged in an up-down symmetric structure, can be inserted in both directions, can effectively reduce the use frequency of single-sided terminals, and greatly improves the service life of the female seat connector.

[0017] 2. The tongue part of the female seat connector is designed in a central symmetric structure, can realize blind insertion when being inserted with the male connector, greatly improves the user experience, and through the insertion of the second outer shell and the first middle through hole in the male connector and the accommodation of the tongue part in the butt joint groove, multi-stage insertion limiting is realized, the insertion stability is improved, and good conduction connection of the first contact part and the second contact part is ensured.

[0018] 3. The second outer shell is provided with a protection cross beam inside, can effectively prevent the second contact part of the second terminal from being bent by external force, ensures stable and accurate plugging of the second contact part, has a simple structure, and is convenient to manufacture. BRIEF DESCRIPTION OF DRAWINGS

[0019] ATTACHMENT Figure 1 It is a preferred embodiment structure schematic view of the utility model.

[0020] Figure Figure 2 For Figure 1 The schematic diagram of the plug-in use of the embodiment is shown in the figure.

[0021] Figure Figure 3 For Figure 1 The internal structure sectional view of the embodiment is shown in the figure.

[0022] Figure Figure 4 The structure schematic diagram of the female seat connector of the utility model is shown in the figure.

[0023] Figure Figure 5 For Figure 4 The structure exploded schematic diagram of the embodiment is shown in the figure.

[0024] Figure Figure 6 The structure schematic diagram of the male connector of the utility model is shown in the figure.

[0025] Figure Figure 7 For Figure 6 The structure exploded schematic diagram of the embodiment is shown in the figure. DETAILED DESCRIPTION

[0026] The concept, specific structure and generated technical effects of the utility model will be further described in combination with the figures, so as to fully understand the purpose, features and effects of the utility model.

[0027] It should be noted that in the description of the utility model, the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and other terms indicating the direction or position relationship are based on the direction or position relationship shown in the figures, which is only for the convenience of description, and does not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0028] Referring to Figure 1 , 2 , 3, 4, 5, 6, 7, which is a preferred embodiment of the utility model schematic diagram, the utility model relates to a USB2.0 connector that can be plugged in forward and reverse, which is suitable for universal serial bus, micro universal serial bus or small universal serial bus connection use, which has a female seat connector and a male connector that are matched with each other.

[0029] Figure 4 , 5As shown, the female seat connector comprises a first shell 1, a first glue core 2 and a first terminal 3. The first shell 1 is designed as a horizontal square block, and a first middle through hole 11 penetrating through the front and back ends is arranged in the first shell 1. The first middle through hole 11 is preferably a square hole, which has a plug-in directionality and good limiting performance. The first glue core 2 is implanted in the first middle through hole 11 of the first shell 1, and the front end of the first glue core 2 has a tongue piece part 21 which protrudes along the center line direction of the first middle through hole 11 and is centrally arranged in the first middle through hole 11, which is beneficial to the use of positive and negative insertion. The first terminal 3 is connected together with the first glue core 2 by injection molding, which is stable in structure, convenient to manufacture, and assembled together after forming a module, which is simple to assemble. The first terminal 3 has a plurality of first contact parts 31 which are arranged in an up-down symmetric manner and respectively exposed on the upper and lower surfaces of the tongue piece part 21. In this embodiment, there are eight first terminals, which are stamped and manufactured in four groups, and then injection molded together with the first glue core 2, and the first contact parts 31 are arranged on the upper and lower surfaces of the tongue piece part 21 in an up-down symmetric manner, which meets the requirements of positive and negative insertion.

[0030] Further in this embodiment, the first glue core 2 is provided with a first barb 22 on the left and right sides, and a first stop part 23 is arranged at the rear end of the first glue core 2. The first barb 22 is buckled with a first buckle groove 111 arranged on the inner wall of the first middle through hole 11 to achieve anti-backout clamping. The first stop part 23 supports the rear end of the first shell 1 to determine the implantation depth. The first barb 22 and the first stop part 23 are both formed together with the first glue core 2. The first stop part 23 is a locally protruding glue part at the rear end of the first glue core 2, which is preferably extended along the contour trajectory of the rear end of the first shell 1 to obtain multi-directional and large-area support, thereby improving the assembly structure and the overall product integrity. The first terminal 3 has a first welding leg 32 extending from the rear end of the first glue core 2, and all the first welding legs 32 are arranged in a row, which is beneficial to the upper plate welding or wiring welding.

[0031] Figure 6 、 7 As shown, the male connector comprises a second shell 4, a second glue core 5 and a second terminal 6. The contour of the second shell 4 matches the first middle through hole 11 to meet the plug-in implementation. A second middle through hole 41 penetrating through the front and back ends is arranged in the second shell 4. The second glue core 5 is implanted in the second middle through hole 41 of the second shell 4, and the second glue core 5 has a butt joint groove 51 with an opening facing forward. Preferably, the cross-sectional shape of the butt joint groove 51 is U-shaped, and the height of the slot of the butt joint groove 51 is consistent with the thickness of the tongue piece part 21 in the same direction. The second terminal 6 has a plurality of second contact parts 61 which are injection molded together with the second glue core 5. The second terminal 6 has a second contact part 61, and all the second contact parts 61 of the second terminal 6 are arranged in a row and extend from the upper side wall of the butt joint groove 51.

[0032] The second glue core 5 is provided with a second barb 52 on the left and right sides, and a second stop portion 53 is arranged at the rear end of the second glue core 5, the second barb 52 is buckled with a second buckle groove 411 arranged on the inner wall of the second middle through hole 41, and the second barb 52 is buckled with the second buckle groove 411, and the second stop portion 53 supports the rear end of the second shell 4, so that the implantation depth is determined. The second barb 52 and the second stop portion 53 of the embodiment are obtained by forming the second glue core 5, and the second stop portion 53 is a locally convex glue portion at the rear end of the second glue core 5, preferably the second stop portion 53 extends along the contour trajectory of the rear end of the second shell 4, so that the second stop portion 53 supports in multiple directions and a large area, and the assembly structure and the overall product are improved. The second terminal 6 has a second welding leg 62 extending from the rear end of the second glue core 5, and all the second welding legs 62 are arranged in a row, which is beneficial to plate welding or wiring welding. The second welding leg 62 is located opposite to the second stop portion 53. The second middle through hole 41 of the second shell 4 is provided with a protection beam 412 arranged at the front end of the second contact portion 61, and the lower side of the protection beam 412 is flush with the inner upper side wall of the butt joint groove 51, so that the tongue portion 21 can be inserted; the second contact portion 61 is designed to be curved and provided with a lap end 611 at the front end, and the lap end 611 is arranged on the protection beam 412, so that the structure and stability of the second contact portion 61 are improved.

[0033] Figure 1 、 2 When the male connector is combined with the female connector, the second shell 4 is inserted into the first middle through hole 11 and supported by the first glue core 2, the tongue portion 21 of the first glue core 2 is inserted into the second middle through hole 41 and extends to the butt joint groove 51, the second contact portion 61 is in contact with the first contact portion 31 on the corresponding surface of the tongue portion, and signal transmission is realized.

[0034] Through experiments, the utility model has the following beneficial effects:

[0035] 1. The first contact portion of the first terminal of the female connector is arranged in an up-down symmetric structure, which can be inserted in both directions and can effectively reduce the use frequency of single-sided terminals, thereby greatly improving the service life of the female connector.

[0036] 2. The tongue portion of the female connector is designed in a central symmetric structure, which can realize blind insertion when the male connector is inserted, greatly improves the user experience, and the second shell and the first middle through hole are inserted in the male connector, and the tongue portion is accommodated in the butt joint groove, so that the insertion stability is improved, and the good contact between the first contact portion and the second contact portion is ensured.

[0037] 3. The second housing has a protective crossbeam inside, which can effectively prevent the second contact part of the second terminal from being bent by external force, and ensure that the second contact part can be inserted and removed stably and accurately. The structure is simple and easy to manufacture.

[0038] While the preferred embodiments of the present invention have been described above in conjunction with the accompanying drawings, the present invention should not be limited to the same structure and operation as described above and the accompanying drawings. For those skilled in the art, many equivalent improvements and variations can be made to the above embodiments through logical analysis, reasoning or limited experiments without exceeding the concept and scope of the present invention, but these improvements and variations should all fall within the scope of protection claimed by the present invention.

Claims

1. A USB2.0 connector capable of being plugged in either direction, characterized in that, A female seat connector and a male connector with each other matching plug-in, The female seat connector comprises a first shell (1), a first rubber core (2) and a first terminal (3), the first shell (1) is provided with a first through hole (11); the first rubber core (2) is implanted into the first through hole (11) of the first shell (1), and the front end of the first rubber core (2) has a tongue piece part (21), the tongue piece part (21) protrudes along the center line direction of the first through hole (11) and is centrally arranged in the first through hole (11); the first terminal (3) is injection molded and connected with the first rubber core (2), the first terminal (3) has a plurality of first contact parts (31) arranged in an up-down symmetric manner and exposed on the upper and lower surfaces of the tongue piece part (21) respectively; The male connector comprises a second shell (4), a second rubber core (5) and a second terminal (6), the second shell (4) is provided with a second through hole (41); the second rubber core (5) is implanted into the second through hole (41) of the second shell (4), and the second rubber core (5) has a docking groove (51) with an opening facing forward; the second terminal (6) has a plurality of second contact parts (61) and is injection molded and connected with the second rubber core (5), the second terminal (6) has a second contact part (61), and all the second contact parts (61) of the second terminal (6) are arranged in a row and protrude from the upper side wall of the docking groove (51); When the male connector and the female seat connector are plugged together, the second shell (4) is inserted into the first through hole (11), the tongue piece part (21) of the first rubber core (2) is inserted into the second through hole (41) and extends to the docking groove (51), the second contact part (61) is in contact with the first contact part (31) on the corresponding surface of the tongue piece part, and signal transmission is realized.

2. The reversible USB2.0 connector of claim 1, wherein, The first rubber core (2) is provided with a first barb (22) on the left and right sides, and a first stop part (23) is arranged at the rear end of the first rubber core (2), the first barb (22) is buckled with a first buckle groove (111) prearranged on the inner wall of the first through hole (11), and the first stop part (23) supports the rear end of the first shell (1).

3. The reversible USB2.0 connector of claim 1, wherein, The first terminal (3) has a first welding leg (32) extending from the rear end of the first rubber core (2), and all the first welding legs (32) are arranged in a row.

4. The reversible USB2.0 connector of claim 1, wherein, The second rubber core (5) is provided with a second barb (52) on the left and right sides, and a second stop part (53) is arranged at the rear end of the second rubber core (5), the second barb (52) is buckled with a second buckle groove (411) prearranged on the inner wall of the second through hole (41), and the second stop part (53) supports the rear end of the second shell (4).

5. The reversible USB2.0 connector of claim 1, wherein, The second through hole (41) of the second shell (4) is provided with a protection beam (412), the protection beam (412) is horizontally arranged at the front end of the second contact part (61), and the lower side of the protection beam (412) is flush with the inner upper side wall of the docking groove (51); the second contact part (61) is designed to be curved and has a lap end (611) at the front end, and the lap end (611) is lapped on the protection beam (412).

6. The reversible USB2.0 connector of claim 1 or 5, wherein, The section shape of the abutment groove (51) is U-shaped, and the height of the groove mouth of the abutment groove (51) is consistent with the thickness of the tongue portion (21) in the same direction.

7. The reversible USB2.0 connector of claim 1, wherein, The first middle through hole (11) is a square hole, and the outer shape contour of the second housing (4) matches the first middle through hole (11).

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