A TYPE-C electrical connector

Abstract

The utility model relates to electric connector technical field, especially a TYPE C electric connector. TYPE C electric connector includes: tongue plate, the side of tongue plate is provided with first fixed part along the width direction, shell, the shell has the accommodation cavity, the accommodation cavity is provided with the second fixed part integrated with the shell, upper row pin foot, upper row pin foot sets up in the upside of tongue plate, lower row pin foot, lower row pin foot sets up in the downside of tongue plate, first fixed part is located between upper row pin foot and lower row pin foot, wherein, first fixed part is cooperated with the second fixed part, is used for strengthening the strength of tongue plate. Through the integral type forming of second fixed part and shell, setting first fixed part is located between upper row pin foot and lower row pin foot, first fixed part is cooperated with the second fixed part, avoids the superposition of many pieces of precision cooperation and tolerance, reduces the stress concentration and wear and tear brought by the inlaying different material, significantly improves the bending resistance, anti-lateral swing ability and cyclic plug-in and pull-out life of tongue plate.

Description

Technical Field

[0001] This utility model relates to the field of electrical connector technology, and in particular to a TYPE-C electrical connector. Background Technology

[0002] A Type-C electrical connector mainly consists of a shell, an insulator, and pins. The pins are embedded in the insulator, which has a tongue-like shape that extends forward and is located inside the shell, used to support and fix all contacts. To meet the miniaturization requirements of Type-C electrical connectors, the tongue must be made very thin. During insertion and removal, the insulator directly bears the friction and compression force of the male pins, making it prone to bending, cracking, or even breaking.

[0003] In existing technologies, to prevent damage to the tongue plate, protruding fitting parts are provided on both sides of the tongue plate, which cooperate with the concave rails on the grounding plate to provide additional support for the tongue plate, thereby enhancing its structural strength. However, this requires a precise fit between the tongue plate and the grounding plate, with high requirements for machining tolerances. Furthermore, due to miniaturization limitations, the protruding space of the fitting parts is limited, thus restricting the enhancement effect. Alternatively, metal clips are embedded on both sides of the tongue plate to improve its mechanical strength and reduce insertion and extraction wear. However, embedding these metal clips into the tongue plate can create stress concentration inside the tongue plate, which may lead to cracks or even breakage of the tongue plate with long-term use.

[0004] Therefore, existing technologies have defects and shortcomings, and need further improvement and development. Utility Model Content

[0005] The main purpose of this invention is to propose a TYPE-C electrical connector, which aims to solve the problem that the structure of the existing TYPE-C electrical connector results in low strength of the tongue plate structure and easy damage.

[0006] To achieve the above objectives, this utility model proposes a TYPE-C electrical connector, which includes:

[0007] The tongue plate has a first fixing part provided on its side along the width direction;

[0008] The outer casing has a receiving cavity, and a second fixing part integrally formed with the outer casing is disposed in the receiving cavity;

[0009] The upper row of needles is disposed on the upper side of the tongue plate; the lower row of needles is disposed on the lower side of the tongue plate; the first fixing part is located between the upper row of needles and the lower row of needles;

[0010] The first fixing part cooperates with the second fixing part to strengthen the tongue plate.

[0011] Preferably, the second fixing part includes a clamping plate connected to the outer shell and a central clamping grounding piece disposed on the side of the clamping plate facing the tongue plate;

[0012] The first fixing part is configured as a fixing groove, and the middle clamp grounding piece is embedded in the fixing groove.

[0013] Preferably, a buffer block is provided at one end of the tongue plate along the insertion / removal direction, and the fixing groove is provided on the side of the buffer block along the width direction.

[0014] Preferably, the accommodating cavity is provided with an upper ground plate and a lower ground plate integrally formed with the outer shell, and the upper ground plate and the lower ground plate are respectively located on the upper and lower sides of the tongue plate;

[0015] The second fixing part is located at the ends of the upper and lower ground plates along the width direction.

[0016] Preferably, the tongue plate is provided with the second fixing part on both sides along the width direction;

[0017] The upper ground plate, the lower ground plate, and the two second fixing parts surround to form a closed ring; the tongue plate passes through the ring.

[0018] Preferably, the accommodating cavity is provided with an inner partition integrally formed with the outer shell, and the upper ground plate and the lower ground plate are integrally formed with the inner partition.

[0019] Preferably, the inner partition plate has a first through hole; the first through hole is located between the upper ground plate and the lower ground plate, and the tongue plate is fixed to the first through hole.

[0020] Preferably, the accommodating cavity is provided with an inner partition plate integrally formed with the outer shell, and the second fixing part is integrally formed with the inner partition plate.

[0021] Preferably, the inner partition has a second through hole located outside the second fixing part; the second fixing part has a buckle, and the width of the second through hole is not less than the thickness of the buckle.

[0022] Preferably, it further includes a middle plate, which is located between the upper row of pins and the lower row of pins and is grounded to the second fixing part.

[0023] Beneficial effects

[0024] This utility model provides a TYPE-C electrical connector, which includes a tongue plate, a housing, an upper row of pins, and a lower row of pins. The housing has a receiving cavity, and a first fixing part is provided on the side of the tongue plate. A second fixing part, integrally formed with the housing, is provided within the receiving cavity. By integrally forming the second fixing part with the housing, and positioning the first fixing part between the upper and lower rows of pins, the first fixing part and the second fixing part cooperate to avoid multiple precision fits and tolerance superposition, reduce stress concentration and wear caused by embedded dissimilar materials, and significantly improve the tongue plate's bending resistance, lateral sway resistance, and cycle insertion and removal life. Attached Figure Description

[0025] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from the structures shown in these drawings without creative effort.

[0026] Figure 1 This is an exploded view of the TYPE-C electrical connector provided in this application;

[0027] Figure 2 yes Figure 1 Enlarged view of point A in the middle;

[0028] Figure 3 This is a partial exploded view of the TYPE-C electrical connector provided in this application;

[0029] Figure 4 This is another partially exploded view of the TYPE-C electrical connector provided in this application;

[0030] Figure 5 This is a cross-sectional schematic diagram of the TYPE-C electrical connector provided in this application;

[0031] Figure 6 This is a front view schematic diagram of the housing of the TYPE-C electrical connector provided in this application;

[0032] Figure 7 This is a rear view schematic diagram of the housing of the TYPE-C electrical connector provided in this application;

[0033] Figure 8 yes Figure 7 A cross-sectional view along the I-I direction.

[0034] Explanation of icon numbers:

[0035]

[0036]

[0037] The realization of the purpose, functional features and advantages of this utility model will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0038] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0039] It should be noted that if the embodiments of this utility model involve directional indicators (such as up, down, left, right, front, back, etc.), the directional indicators are only used to explain the relative positional relationship and movement of the components in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicators will also change accordingly.

[0040] Furthermore, if the embodiments of this utility model involve descriptions such as "first" or "second," these descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of indicated technical features. Therefore, features defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. If the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0041] This utility model proposes a TYPE-C electrical connector 10.

[0042] Please refer to the following: Figures 1 to 5The first embodiment of this application provides a TYPE-C electrical connector 10, which includes a tongue plate 11, a housing 12, an upper row of pins 13, and a lower row of pins 14. The housing 12 is formed of a metal shield and has an internal accommodating cavity. A second fixing portion 121 is integrally formed with the housing 12 within the accommodating cavity. The tongue plate 11 is part of an insulator and extends forward in the accommodating cavity along the insertion / removal direction. The upper row of pins 13 is arranged on the upper side of the tongue plate 11, and the lower row of pins 14 is arranged on the lower side of the tongue plate 11 opposite to the upper row of pins 13. A first fixing portion 111 is provided on the side of the tongue plate 11 along the width direction shown in the figures. The first fixing portion 111 is located in the middle region between the upper row of pins 13 and the lower row of pins 14. It is understood that the first fixing portion 111 being located between the upper row of pins 13 and the lower row of pins 14 means that the first fixing portion 111 is located within the tongue plate 11, rather than protruding from the tongue plate 11.

[0043] During assembly, the tongue plate 11, equipped with upper row of pins 13 and lower row of pins 14, is pushed from back to front into the receiving cavity of the housing 12 from the direction of the insert plate. The first fixing part 111 and the second fixing part 121, located between the upper row of pins 13 and the lower row of pins 14, abut against each other in the lateral direction. The second fixing part 121, which is integrally formed with the housing 12, supports the tongue plate 11 and increases its strength through the first fixing part 111.

[0044] Preferably, the second fixing part 121 includes a retaining plate 122 and a center clamping grounding piece 123. The retaining plate 122 is integrally connected to the housing 12, providing electrical connection and strong mechanical support for the second fixing part 121. The center clamping grounding piece 123 is disposed on the side of the retaining plate 122 facing the tongue plate 11 and is integrally connected to the retaining plate 122. The first fixing part 111 is configured as a fixing groove, which extends along the insertion and removal direction and is located in the middle area between the upper row of pins 13 and the lower row of pins 14. One end of the retaining plate 122 along the insertion and removal direction of the tongue plate 11 is provided with an inlet chamfer to provide smooth inlet and stable pre-tightening during assembly and use. During assembly, the tongue plate 11 with the upper and lower rows of pins 14 is inserted into the receiving cavity of the housing 12 from back to front along the insertion direction. With the help of the inlet chamfer, the center clamping grounding piece 123 is controllably embedded into the fixing groove and forms surface contact or line-surface composite contact with the clamping surfaces on both sides of the fixing groove. In the final assembly state, the center clamp grounding piece 123 provides rigid support for the tongue plate 11; the clamping plate 122 abuts against the side of the tongue plate 11, providing pre-tightening for the tongue plate 11 and supporting the center clamp grounding piece 123.

[0045] Optionally, the first fixing part 111 can be a regular, irregular, continuous, continuous groove that penetrates or does not penetrate the tongue plate 11, or a hole that penetrates or does not penetrate the tongue plate 11, etc., that can cooperate with the second fixing part 121 to strengthen the tongue plate 11. The retaining plate 122 can be adjusted accordingly based on the specific structure of the first fixing part 111. When the first fixing part 111 has an irregular structure, the retaining plate 122 also has an irregular structure. The irregular structure can provide more favorable friction in the insertion and extraction direction, preventing the tongue plate 11 from breaking. When the first fixing part 111 has a structure that penetrates the tongue plate 11, the retaining plate 122 also has a structure that penetrates the tongue plate 11. The retaining plate 122 that penetrates the tongue plate 11 can not only provide strong mechanical support and increase the strength of the tongue plate 11, but also effectively shield electromagnetic interference. When the second fixing part 121 is not a structure that penetrates the tongue plate 11, a middle plate 15 can also be provided inside the tongue plate 11, and the middle plate 15 is grounded to the outer shell 12; it can be understood that the second fixing part 121 is integrally formed with the outer shell 12, and the middle plate 15 is also grounded to the second fixing part 121. The middle plate 15 and the second fixing part 121 cooperate to enhance the mechanical strength of the tongue plate 11 while shielding electromagnetic interference.

[0046] To further enhance the strength of the tongue plate 11 and increase its service life, a buffer block 16 is provided at one end of the tongue plate 11 along the insertion / removal direction. The buffer block 16 is located at the transition position between the tongue plate 11 and the plug insertion area, and its leading edge is provided with an insertion chamfer or rounded corner. The buffer block 16 has a fixing groove along its side along the width direction shown in the attached figure. This fixing groove is connected to and aligned with the fixing groove on the tongue plate 11. During assembly, the grounding piece 123 first enters the fixing groove on the buffer block 16. The buffer block 16 disperses the impact of insertion and removal, reduces stress concentration and wear on the tongue plate 11, and enables the tongue plate 11 to achieve better bending and lateral sway resistance without increasing its overall thickness, thereby improving its service life.

[0047] The accommodating cavity is provided with an upper ground plane 125 and a lower ground plane 126 covering the tongue plate 11 in the width direction. Both the upper ground plane 125 and the lower ground plane 126 are integrally formed with the outer shell 12 and are located on the upper and lower sides of the tongue plate 11, respectively. Second fixing parts 121 are located at both ends of the upper ground plane 125 and the lower ground plane 126 in the width direction. The upper ground plane 125, the lower ground plane 126, and the two second fixing parts 121 form a closed ring, through which the tongue plate 11 passes. The upper ground plane 125, the lower ground plane 126, and the two second fixing parts 121 form a continuous annular ground plane, providing a stable electromagnetic environment for the differential pair. The second fixing parts 121 at the ends of the upper ground plane 125 and the lower ground plane 126 provide rigid support for the tongue plate 11, combining mechanical reinforcement and electromagnetic interference shielding.

[0048] An inner partition 127, integrally formed with the outer shell 12, is provided within the accommodating cavity. The inner partition 127 separates the tongue plate 11 from the insulator behind it and prevents the tongue plate 11 from being pulled out of the outer shell 12 during insertion. The upper ground plate 125 and the lower ground plate 126 are integrally formed with the inner partition 127, and the second fixing part 121 is also integrally formed with the inner partition 127. It can be understood that the inner partition 127 provides support and electrical connection for the upper ground plate 125, the lower ground plate 126, and the second fixing part 121. A first through hole 128 is provided on the inner partition 127; the first through hole 128 is located between the upper ground plate 125 and the lower ground plate 126, and the tongue plate 11 is fixed to the first through hole 128. Specifically, during assembly, the tongue plate 11 with pins is inserted from back to front along the insertion and removal direction, so that the outer edge of the tongue plate 11 cooperates with the first through hole 128 to achieve positioning, and the tongue plate 11 is suspended forward in the receiving cavity along the insertion and removal direction.

[0049] The second fixing part 121 also includes a latch 124 disposed on the side of the latch plate 122 opposite to the tongue plate 11. The latch 124 is used to engage with the TYPE-C male connector to prevent the TYPE-C male connector from falling off the TYPE-C electrical connector 10 during use. To improve the yield rate of the integral molding process of the housing 12, a second through hole 129 is provided on the inner partition plate 127. The second through hole 129 is located on the outer side of the second fixing part 121. It can be understood that the second fixing part 121 is integrally molded with the inner partition plate 127, and the second through hole 129 is located on the side of the second fixing part 121 opposite to the tongue plate 11. The second through hole 129 is adjacent to the latch plate 122, and the width of the second through hole 129 is not less than the thickness of the latch 124; that is, in the width direction, the projected length of the second through hole 129 is greater than the projected length of the latch 124, so that the demolding process after the housing 12 is cast will not damage the housing, thereby improving the yield rate.

[0050] In summary, this utility model provides a TYPE-C electrical connector, comprising: a tongue plate with a first fixing part disposed on its side along its width; a housing having a receiving cavity, within which a second fixing part integrally formed with the housing is disposed; an upper row of pins disposed on the upper side of the tongue plate; and a lower row of pins disposed on the lower side of the tongue plate; the first fixing part being located between the upper and lower row of pins; wherein the first fixing part and the second fixing part cooperate to strengthen the tongue plate. By integrally forming the second fixing part with the housing and positioning the first fixing part between the upper and lower row of pins, and by cooperating with the second fixing part, the superposition of multiple precision fits and tolerances is avoided, stress concentration and wear caused by embedded dissimilar materials are reduced, and the bending resistance, lateral sway resistance, and cycle insertion and removal life of the tongue plate are significantly improved.

[0051] The above description is only a preferred embodiment of the present utility model and does not limit the patent scope of the present utility model. All equivalent structural transformations made under the inventive concept of the present utility model using the contents of the present utility model specification and drawings, or direct / indirect applications in other related technical fields, are included within the patent protection scope of the present utility model.

Claims

1. A TYPE-C electrical connector, characterized in that, include: The tongue plate has a first fixing part provided on its side along the width direction; The outer casing has a receiving cavity, and a second fixing part integrally formed with the outer casing is disposed in the receiving cavity; The upper row of needles is disposed on the upper side of the tongue plate; the lower row of needles is disposed on the lower side of the tongue plate; the first fixing part is located between the upper row of needles and the lower row of needles; The first fixing part cooperates with the second fixing part to strengthen the tongue plate.

2. The TYPE-C electrical connector as described in claim 1, characterized in that, The second fixing part includes a clamping plate connected to the outer shell and a central clamping grounding piece disposed on the side of the clamping plate facing the tongue plate; The first fixing part is configured as a fixing groove, and the middle clamp grounding piece is embedded in the fixing groove.

3. The TYPE-C electrical connector as described in claim 2, characterized in that, A buffer block is provided at one end of the tongue plate along the insertion / removal direction, and the fixing groove is provided on the side of the buffer block along the width direction.

4. The TYPE-C electrical connector as described in claim 1, characterized in that, The accommodating cavity is provided with an upper base plate and a lower base plate integrally formed with the outer shell, and the upper base plate and the lower base plate are respectively located on the upper and lower sides of the tongue plate; The second fixing part is located at the ends of the upper and lower ground plates along the width direction.

5. The TYPE-C electrical connector as described in claim 4, characterized in that, The tongue plate is provided with the second fixing part on both sides along the width direction; The upper ground plate, the lower ground plate, and the two second fixing parts surround to form a closed ring; the tongue plate passes through the ring.

6. The TYPE-C electrical connector as described in claim 4, characterized in that, The cavity is provided with an inner partition that is integrally formed with the outer shell, and the upper and lower ground plates are integrally formed with the inner partition.

7. The TYPE-C electrical connector as described in claim 6, characterized in that, The inner partition plate has a first through hole; the first through hole is located between the upper ground plate and the lower ground plate, and the tongue plate is fixed to the first through hole.

8. The TYPE-C electrical connector as described in claim 1, characterized in that, The accommodating cavity is provided with an inner partition plate integrally formed with the outer shell, and the second fixing part is integrally formed with the inner partition plate.

9. The TYPE-C electrical connector as described in claim 8, characterized in that, The inner partition plate has a second through hole, which is located outside the second fixing part; the second fixing part has a buckle, and the width of the second through hole is not less than the thickness of the buckle.

10. The TYPE-C electrical connector as claimed in claim 1, characterized in that, It also includes a middle plate, which is located between the upper row of pins and the lower row of pins and is grounded to the second fixing part.

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