Electric connector

Abstract

The utility model provides an electric connector, which comprises an insulating body and a plurality of conductive terminals and a middle spacer fixed in the insulating body, each conductive terminal comprises a first terminal and a second terminal, the contact parts of the first terminals and the second terminals are arranged in two rows in the height direction, and the contact parts of the first terminals and the second terminals are arranged in opposite directions. The conductive terminal is provided with a grounding terminal located on the outer side in the transverse direction and a power supply terminal located on the inner side of the grounding terminal, and the middle spacer is provided with a substrate part located between the first terminal and the second terminal in the height direction. And the substrate part is provided with a plurality of communicating parts which are formed by tearing the upper side and the lower side so as to be in contact with the grounding terminal and / or the power supply terminal. According to the electric connector provided by the utility model, the middle spacer is torn to form the communication part which is in contact with the grounding terminal and / or the power supply terminal, so that the transmission efficiency is improved.

Description

Technical Field

[0001] The utility model relates to an electric connector. Background Art

[0002] With the rapid development of science and technology in the electronics industry, the size of electronic products is developing along the trend of becoming thinner, lighter and shorter, which requires the size of components of electronic products to become smaller and smaller, and the connector industry is the first to bear the brunt.

[0003] The new generation of USB Type-C connectors are required to be smaller in size, which leads to better mechanical performance requirements and higher product design difficulties. In order to target lighter, thinner and more slender devices and ensure the reliability of product structures, major manufacturers have launched corresponding structural designs.

[0004] The existing USB Type-C electrical connector includes a plastic base, upper and lower rows of conductive terminals disposed on the plastic base, and an intermediate piece sandwiched between the upper and lower rows of conductive terminals. The plastic base includes an upper and lower body and an insulating body injection-molded outside the upper and lower bodies, and the upper and lower bodies are respectively injection-molded outside the two rows of conductive terminals. Thus, three injection moldings are required to complete the production of the terminal module of the electrical connector, and the molding process is cumbersome.

[0005] In view of this, it is necessary to improve the existing electrical connector to solve the above problems. Utility Model Content

[0006] The utility model aims to provide an electrical connector which is simple and convenient to manufacture, has high structural strength and high transmission efficiency.

[0007] In order to achieve the above-mentioned purpose of the utility model, the utility model provides an electrical connector, which includes an insulating body and a plurality of conductive terminals and a middle partition fixed in the insulating body, the conductive terminals include a first terminal and a second terminal whose contact portions are arranged in two rows in the height direction, and the contact portions of the first and second terminals are arranged in reverse, the conductive terminals have a grounding terminal located on the outside in the lateral direction and a power terminal located on the inside of the grounding terminal, the middle partition has a substrate portion located between the first and second terminals in the height direction, and the substrate portion is provided with a plurality of connecting portions torn upward and lower sides to form a contact with the grounding terminal and / or the power terminal.

[0008] As a further improvement of the present invention, the substrate portion includes a first substrate portion and a pair of second substrate portions independently arranged from the first substrate portion, the connecting portion includes a first connecting portion in contact with the ground terminal and a second connecting portion in contact with the power terminal, the first connecting portion is torn from the first substrate portion, and the second connecting portion is torn from the second substrate portion.

[0009] As a further improvement of the present invention, the first substrate portion includes a pair of side plate portions located on both sides in the transverse direction and a middle plate portion located between the pair of side plate portions, a pair of spacing spaces are formed between the middle plate portion and the pair of side plate portions in the transverse direction, and the second substrate portion is located in the corresponding spacing spaces.

[0010] As a further improvement of the present invention, one of the second substrate parts is provided with at least one second connecting part protruding upward, and the other of the second substrate parts is provided with at least one second connecting part protruding downward.

[0011] As a further improvement of the present invention, each of the second substrate portions is provided with a pair of the second connecting portions, and the pair of the second connecting portions protrude in different directions in the height direction so as to contact the power terminals located on different sides.

[0012] As a further improvement of the utility model, each of the side panel portions is provided with at least one first connecting portion protruding upward and at least one first connecting portion protruding downward, and the first connecting portions on each of the side panel portions are arranged in the front-to-back direction, the upward first connecting portion contacts the grounding terminal located on the upper side, and the downward first connecting portion contacts the grounding terminal located on the lower side.

[0013] As a further improvement of the utility model, each of the side plates is provided with a pair of the first connecting parts protruding upward and a pair of the first connecting parts protruding downward, and the protruding directions of the two first connecting parts adjacent to each other in the front-to-rear direction in the up-down direction are opposite.

[0014] As a further improvement of the present invention, the middle partition also has a connection pin bent downward to be installed on an external circuit board, and the connection pin is located on the outer side of the base plate part.

[0015] As a further improvement of the present invention, the connecting pin is partially covered by the insulating body and is located on the inner side of the lateral end surface of the insulating body in the lateral direction. The soldering feet of the conductive terminals are arranged in two rows in the front-to-back direction, and the connecting pin is located on the front side of the soldering feet in the rear row.

[0016] As a further improvement of the utility model, the insulating body includes an inner insulator and an outer insulator coated on the outside of the inner insulator, the inner insulator is integrally formed with the first terminal and the middle partition, and the second terminal is assembled on the inner insulator and coated in the outer insulator.

[0017] Beneficial effects of the utility model: the utility model electric connector is provided with a plurality of connecting parts on the substrate part of the middle partition plate, which are torn upward and downward to form a contact with the ground terminal and / or the power terminal, so that the ground terminals in the upper and lower rows of conductive terminals are overlapped through the connecting parts to form a loop, thereby further improving the electromagnetic shielding effect of the electrical connector and enhancing the signal transmission efficiency; and / or, the power terminals in the upper and lower rows of conductive terminals are overlapped and connected to form a loop through the connecting parts, thereby further improving the current carrying capacity of the power terminal and improving the transmission efficiency at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a three-dimensional assembly diagram of the electric connector of the utility model.

[0019] Figure 2 yes Figure 1 Another view of the electrical connector shown.

[0020] Figure 3 yes Figure 1 A partially exploded view of the electrical connector shown.

[0021] Figure 4 yes Figure 3 A further exploded view of the electrical connector after removing the metal housing is shown.

[0022] Figure 5 yes Figure 4 The electrical connector is further exploded with the outer insulator removed.

[0023] Figure 6 5 is a three-dimensional view of the middle partition of the electrical connector.

[0024] Figure 7 yes Figure 1 A top view of the conductive terminals and the middle spacer of the electrical connector is shown.

[0025] Figure 8 yes Figure 7 A side view of the conductive terminals and the middle spacer of the electrical connector is shown.

[0026] In the figure:

[0027] 100, electrical connector; 1, insulating body; 101, slot; 102, middle section; 103, through slot; 11, inner insulator; 112, groove; 12, outer insulator; 121, base; 122, tongue plate; 123, middle portion;

[0028] 2, conductive terminal; 2a, first terminal; 2b, second terminal; G, ground terminal; P, power terminal; S-1, first signal terminal; S-2, second signal terminal; 201, contact portion; 202, fixing portion; 203, soldering foot;

[0029] 3. middle septum; 31. substrate portion; 311. connecting portion; 3112. first connecting portion; 3113. second connecting portion; 312. first substrate portion; 3121. side plate portion; 31212. missing portion; 31213. front protrusion; 31214. bending portion; 3123. middle plate portion; 31231. receiving groove; 313. second substrate portion; 3131. front plate portion; 3132. rear plate portion; 32. connecting foot; 34. extension portion; 340. through hole; 341. protrusion;

[0030] 4. Metal shell; 41. Plug-in cavity; 42. Welding foot. DETAILED DESCRIPTION

[0031] The present invention will be described in detail below in conjunction with the embodiments shown in the accompanying drawings. However, the embodiments do not limit the present invention, and any structural, methodological, or functional changes made by a person skilled in the art based on the embodiments are all within the protection scope of the present invention.

[0032] Please refer to Figures 1 to 8 The figure shows a preferred embodiment of the electrical connector 100 of the present invention. In the present invention, the electrical connector 100 is mounted on an external circuit board (not shown), and includes an insulating body 1 and a plurality of conductive terminals 2 and a middle partition 3 fixed in the insulating body 1.

[0033] For the sake of convenience, when introducing the electrical connector 100 below, the mating end of the electrical connector 100 will be regarded as the front end and the other end arranged opposite to it will be regarded as the rear end. That is, the front-to-back direction is the mating direction between the electrical connector 100 and the mating connector (not shown). At the same time, a direction perpendicular to the front-to-back direction is defined as the lateral direction, and another direction perpendicular to the front-to-back direction is defined as the height direction.

[0034] Please refer to Figures 1 to 5 As shown, in the utility model, the insulating body 1 includes an inner insulator 11 and an outer insulator 12 coated on the outside of the inner insulator 11, the inner insulator 11 is formed as a whole with the first terminal 2a and the middle partition 3, and the second terminal 2b is assembled on the inner insulator 11 and coated in the outer insulator 12.

[0035] The outer insulator 12 includes a base 121 located on its rear side, a tongue portion 122 located on the front side, and a middle portion 123 located between the base 121 and the tongue portion 122. The tongue portion 122 has two surfaces (i.e., upper and lower surfaces) arranged opposite to each other along the height direction, and the contact portions 201 of the two rows of conductive terminals 2 are respectively exposed on the upper and lower surfaces of the tongue portion 122.

[0036] In addition, the inner insulator 11 has a slot 101 located at the rear and extending through the height direction and a cross section 102 located in the slot 101. The solder legs 203 of the first and second terminals 2a and 2b are arranged in two rows spaced apart in the front-to-back direction, and the slot 101 extends in the transverse direction and exposes the solder legs 203 of the first terminal 2a to the outside, so as to facilitate cutting and removing the corresponding material strip. The rear end surface of the solder legs 203 of the first terminal 2a extends backward beyond the cross section 102, and the rear end surface of the middle partition 3 is buried in the front side of the cross section 102 and is not exposed backward. The outer insulator 12 has a through slot 103 corresponding to the slot 101, and the through slot 103 penetrates the outer insulator 12 in the up-down direction.

[0037] Please refer to Figures 2 to 5 Combined with Figure 7 , Figure 8 As shown, the conductive terminal 2 includes a first terminal 2a and a second terminal 2b whose contact portions 201 are arranged in two rows in the height direction, wherein the first terminal 2a is a lower row conductive terminal and the second terminal 2b is an upper row conductive terminal, and the contact portions 201 of the first and second terminals 2a and 2b are arranged in reverse, and the conductive terminal 2 has a ground terminal G located on the outside in the lateral direction and a power terminal P located on the inside of the ground terminal G.

[0038] Each of the conductive terminals 2 includes a fixing portion 202, the contact portion 201 located in front of the fixing portion 202, and the soldering foot 203 located behind the fixing portion 202. In this embodiment, the soldering feet 203 of the conductive terminals 2 extend horizontally backward to form surface-welding soldering feet.

[0039] Specifically, as described above, the solder legs 203 of the conductive terminal 2 are arranged in two rows in the front-to-back direction, and the solder legs 203 in the front-to-back rows are staggered in the transverse direction, that is, they are not aligned in the front-to-back direction. In addition, the solder legs 203 of the first terminal 2a are offset to one side of the corresponding solder legs 203 of the second terminal 2b in the transverse direction. In this embodiment, the solder legs 203 of the first terminal 2a are offset to the right side of the corresponding solder legs 203 of the second terminal 2b. In other embodiments, the solder legs 203 of the first terminal 2a are offset to the left side of the corresponding solder legs 203 of the second terminal 2b.

[0040] In the present invention, the first and second terminals 2a and 2b each have a pair of ground terminals G disposed oppositely on both sides thereof in the lateral direction, and a pair of power terminals P located inside the corresponding ground terminals G. Specifically, the first terminal 2a and the second terminal 2b each include twelve conductive terminals, and the contact portion 201 of the first terminal 2a corresponds to the contact portion 201 of the second terminal 2b in a one-to-one correspondence, and the arrangement of the contact portions 201 is the same as the arrangement of conductive terminals in a standard USB Type C electrical connector.

[0041] Specifically, the first terminal 2a and the second terminal 2b each include a pair of ground terminals G, a pair of power terminals P and a plurality of signal terminals, and the pair of ground terminals G are located at the outermost side, the power terminal P is located at the inner side of the ground terminal G, and the plurality of signal terminals include a plurality of first signal terminals S-1 located between the two power terminals P and a second signal terminal S-2 between the power terminal P and the ground terminal G, and the second signal terminal S-2 is used to transmit high-speed signals. In this embodiment, the number of the first signal terminals S-1 is four in total, and the four first signal terminals S-1 include a CC terminal, a D+ terminal, a D- terminal and an SBU terminal arranged in sequence in the horizontal direction; wherein the D+ terminal and the D- terminal are mainly used to transmit USB2.0 signals.

[0042] Please refer to Figures 3 to 8 As shown, the middle partition 3 has a substrate portion 31 located between the first and second terminals 2a and 2b in the height direction, and the substrate portion 31 is provided with a plurality of connecting portions 311 torn upward and downward to form a contact with the ground terminal G and / or the power terminal P. The ground terminals G in the upper and lower rows of conductive terminals are overlapped through the connecting portions 311 to form a loop, thereby further improving the electromagnetic shielding effect of the electrical connector and enhancing the signal transmission efficiency; and / or, the power terminals P in the upper and lower rows of conductive terminals are overlapped through the connecting portions 311 to form a loop, thereby further improving the current carrying capacity of the power terminal and improving the transmission efficiency at the same time.

[0043] The connecting portion 311 is torn upward or downward from the substrate portion 31, and the tearing directions of two adjacent connecting portions 311 in the front-to-back direction are opposite, that is, one is torn upward and the other is torn downward. The connecting portion 311 torn upward protrudes upward from the inner insulator 11 to contact the ground terminal G and / or the power terminal P in the second terminal 2b.

[0044] In this embodiment, the substrate portion 31 includes a first substrate portion 312 and a pair of second substrate portions 313 independently arranged from the first substrate portion 312, the connecting portion 311 includes a first connecting portion 3112 in contact with the ground terminal G and a second connecting portion 3113 in contact with the power terminal P, the first connecting portion 3112 is torn from the first substrate portion 312, and the second connecting portion 3113 is torn from the second substrate portion 313.

[0045] In other embodiments, the substrate portion 31 may also only have the first connecting portion 3112 connected to the ground terminal G or only have the second connecting portion 3113 connected to the power terminal P.

[0046] In the utility model, the first substrate portion 312 includes a pair of side plate portions 3121 located on both sides in the transverse direction and a middle plate portion 3123 located between the pair of side plate portions 3121, a pair of spacing spaces are formed between the middle plate portion 3123 and the pair of side plate portions 3121 in the transverse direction, and the second substrate portion 313 is located in the corresponding spacing spaces.

[0047] The middle plate portion 3123 is provided corresponding to the first signal terminal S-1, and the side plate portion 3121 is provided corresponding to the ground terminal G and the adjacent pair of second signal terminals S-2. The pair of side plates 3121 and the rear portion of the middle plate portion 3123 are connected transversely to form a one-piece integral structure. In the transverse direction, the front section of the pair of power terminals P and the front section of the first signal terminal S-1 located inside thereof are both located between the pair of side plates 3121.

[0048] The rear portion of the middle plate portion 3123 is provided with a receiving groove 31231 which penetrates it in the up-down direction for the molten plastic for molding the inner insulator 11 to flow in. The side plate portion 3121 has a bending portion 31214 located at its rear end and buried in the inner insulator 11, and the rear portion of the side plate portion 3121 is not provided with a structure which penetrates it up-down, so as to ensure the structural strength of the rear portion of the middle partition 3 and the bonding strength with the inner insulator 11.

[0049] One of the second substrate parts 313 is provided with at least one second connecting part 3113 protruding upward, and the other second substrate part 313 is provided with at least one second connecting part 3113 protruding downward. Preferably, in this embodiment, each of the second substrate parts 313 is provided with a pair of second connecting parts 3113, and the pair of second connecting parts 3113 protrude in different directions in the height direction to contact the power terminals P located on different sides, so that the power terminals P in the upper and lower rows are overlapped and a loop is formed through the second connecting parts 3113, so as to improve the current carrying capacity and transmission efficiency of the power terminals.

[0050] Preferably, in this embodiment, the second substrate portion 313 is in the shape of a strip extending in the front-to-back direction, and each of the second substrate portions 313 includes a front plate portion 3131 and a rear plate portion 3132 connected front to back, the width of the rear plate portion 3132 in the transverse direction is larger than that of the front plate portion 3131, and the second connecting portion 3113 is formed by tearing from the rear plate portion 3132. Furthermore, a pair of second connecting portions 3113 provided on each of the second substrate portions 313 are arranged in the front-to-back direction and aligned in the front-to-back direction.

[0051] Each of the side plate portions 3121 is provided with at least one first connecting portion 3112 protruding upward and at least one first connecting portion 3112 protruding downward. The first connecting portions 3112 on each of the side plate portions 3121 are arranged in the front-to-back direction. The upward first connecting portion 3112 contacts the grounding terminal G located on the upper side, and the downward first connecting portion 3112 contacts the grounding terminal G located on the lower side.

[0052] Each of the side plate portions 3121 is provided with a pair of first connecting portions 3112 protruding upward and a pair of first connecting portions 3112 protruding downward, and the protruding directions of two first connecting portions 3112 adjacent to each other in the front-to-back direction in the up-and-down direction are opposite.

[0053] Furthermore, the first connecting portion 3112 is arranged at the side end edge of the side plate portion 3121 in the transverse direction to facilitate tearing and forming and avoid weakening the structural strength of the side plate portion 3121.

[0054] In addition, each of the side plate portions 3121 also has a notch 31212 opened on the front side thereof and a front protrusion 31213 located next to the notch 31212. The front protrusion 31213 is upwardly exposed in a groove 112 provided at the front part of the inner insulator 11, and contacts the ground terminal G in the second terminal 2b in the groove 112, so that the front end of the first substrate portion 312 overlaps with the ground terminal G to achieve more reliable and stable contact conduction.

[0055] At the same time, the front end face of the middle plate portion 3123 is located on the rear side of the front end face of the side plate portion 3121, and the front end face of the middle plate portion 3123 is located on the rear side of the front wall surface that defines the missing portion 31212, that is, the front end face of the middle plate portion 3123 is located on the rear side of the missing portion 31212.

[0056] The middle spacer 3 further has a connection pin 32 bent downward to be mounted on an external circuit board. The connection pin 32 is located outside the base plate portion 31 .

[0057] The connecting pin 32 is partially covered by the insulating body 1 and is located on the inner side of the lateral end surface of the insulating body 1 in the lateral direction. The connecting pin 32 is located on the front side of the rear row of welding pins 203 .

[0058] The middle partition 3 also has a pair of extension portions 34 protruding from both sides of the base plate portion 31 in the lateral direction. Each of the extension portions 34 is provided with a through hole 340 formed therethrough in the up-down direction to facilitate the flow of molten plastic material to reliably combine the middle partition 3 and the inner insulator 11. In the present embodiment, the extension portion 34 has a protruding portion 341 exposing the insulating body 1 to the outside, and the connecting pin 32 is located on the inner side of the protruding portion 341. In other embodiments, the side end edge of the extension portion 34 may also be buried in the insulating body 1 without the protruding portion.

[0059] In addition, in the utility model, the electrical connector 100 also has a metal shell 4 which is sleeved on the outside of the insulating body 1, and a plug-in cavity 41 is provided in the metal shell 4 for accommodating a docking connector (not shown), and welding feet 42 which are inserted into an external circuit board are provided on both sides of the metal shell 4.

[0060] In summary, the electrical connector 100 of the utility model is provided with a plurality of connecting parts on the substrate part of the middle partition plate, which are torn upward and downward to form a contact with the ground terminal and / or the power terminal, so that the ground terminals G in the upper and lower rows of conductive terminals are overlapped through the connecting parts 311 to form a loop, thereby further improving the electromagnetic shielding effect of the electrical connector and enhancing the signal transmission efficiency; and / or, the power terminals P in the upper and lower rows of conductive terminals are overlapped and connected to form a loop through the connecting parts 311, thereby further improving the current carrying capacity of the power terminal and improving the transmission efficiency at the same time.

[0061] It should be understood that although the present specification is described according to embodiments, not every embodiment contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

[0062] The above embodiments are only used to illustrate the technical solution of the present application and are not intended to limit it. Although the present application has been described in detail with reference to the preferred embodiments, a person skilled in the art should understand that the technical solution of the present application may be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the present application.

Claims

1. An electrical connector, comprising an insulating body, a plurality of conductive terminals fixed in the insulating body, and a middle spacer, wherein the conductive terminals comprise first terminals and second terminals whose contact portions are arranged in two rows in the height direction, and the contact portions of the first and second terminals are arranged in opposite directions, the conductive terminals have a ground terminal located on the outside in the lateral direction and a power terminal located on the inside of the ground terminal, and the middle spacer has a substrate portion located between the first and second terminals in the height direction, characterized in that: The base plate is provided with a plurality of connecting portions which are torn upward and downward to contact with the ground terminal and / or the power terminal.

2. The electrical connector according to claim 1, wherein: The substrate portion includes a first substrate portion and a pair of second substrate portions independently arranged from the first substrate portion, the connecting portion includes a first connecting portion in contact with the ground terminal and a second connecting portion in contact with the power terminal, the first connecting portion is torn from the first substrate portion, and the second connecting portion is torn from the second substrate portion.

3. The electrical connector according to claim 2, wherein: The first substrate portion includes a pair of side plate portions located on both sides in the transverse direction and a middle plate portion located between the pair of side plate portions, a pair of spacing spaces are formed between the middle plate portion and the pair of side plate portions in the transverse direction, and the second substrate portion is located in the corresponding spacing spaces.

4. The electrical connector according to claim 2, wherein: One of the second substrate parts is provided with at least one second connecting portion protruding upward, and the other of the second substrate parts is provided with at least one second connecting portion protruding downward.

5. The electrical connector according to claim 4, wherein: Each of the second substrate portions is provided with a pair of the second communicating portions, and the pair of the second communicating portions protrude in different directions in the height direction so as to contact the power terminals located at different sides.

6. The electrical connector according to claim 3, wherein: Each of the side plate portions is provided with at least one first connecting portion protruding upward and at least one first connecting portion protruding downward. The first connecting portions on each of the side plate portions are arranged in the front-to-back direction. The upward first connecting portion contacts the grounding terminal located on the upper side, and the downward first connecting portion contacts the grounding terminal located on the lower side.

7. The electrical connector according to claim 6, wherein: Each of the side plates is provided with a pair of the first communicating parts protruding upward and a pair of the first communicating parts protruding downward, and the protruding directions of the two first communicating parts adjacent to each other in the front-to-rear direction in the up-down direction are opposite.

8. The electrical connector according to claim 2, wherein: The middle spacer also has a connection pin bent downward to be mounted on an external circuit board, and the connection pin is located outside the base plate portion.

9. The electrical connector according to claim 8, wherein: The connecting pin is partially covered by the insulating body and is located on the inner side of the lateral end surface of the insulating body in the lateral direction. The soldering feet of the conductive terminals are arranged in two rows in the front-to-back direction, and the connecting pin is located on the front side of the soldering feet in the rear row.

10. The electrical connector according to any one of claims 1 to 9, characterized in that: The insulating body includes an inner insulator and an outer insulator covered on the outer side of the inner insulator. The inner insulator is formed as a whole with the first terminal and the middle separator. The second terminal is assembled on the inner insulator and covered in the outer insulator.

Images