Waterproof socket connector

Abstract

The utility model discloses a waterproof socket connector, which comprises a terminal assembly provided with a base body and a plurality of terminals combined in the base body, the base body is provided with a base part and a tongue part formed by forward extension of the front end surface of the base part; the inner shell piece is annularly arranged on the periphery of the terminal assembly and combined with the periphery of the base part, and the inner shell piece and the terminal assembly jointly define an annular insertion cavity; the elastic arm part is integrally formed in the inner shell part and convexly extends into the insertion cavity, the elastic arm part is used for being in elastic contact with a butting connector inserted into the insertion cavity, and the inner shell part is provided with a through process hole around the elastic arm part; the outer shell part comprises a covering part covering the periphery of the inner shell part; the closing part is formed on the covering part and at least covers the fabrication hole; the annular groove part is formed in the mode that the surface of the side, attached to the inner shell, of the covering part sinks towards the side away from the inner shell, and the annular groove part surrounds the closed part by a circle; and the waterproof piece is filled in the annular groove part.

Description

TECHNICAL FIELD

[0001] The application relates to a waterproof socket connector. BACKGROUND

[0002] For related prior art, please refer to Chinese Invention Patent Application CN116895981A, which discloses a socket electrical connector, comprising: a terminal module including an insulator formed with a tongue plate part and a plurality of terminals combined in the insulator; a metal shell surrounding the periphery of the terminal module, the metal shell and the terminal module together define an annular mating space and form an insertion opening at one end; each of the terminals includes a fixed segment embedded in the insulator, a contact segment exposed from the tongue plate part, and a mating segment extending out of the insulator; a spring shell is attached to the inner surface of the metal shell at the position of the mating space, the spring shell extends to form a mating spring protruding into the mating space; wherein the part of the metal shell forming the mating space is annular and has no seam. Specifically, the metal shell without seam is beneficial to the waterproof performance, and the spring shell is provided to form the mating spring to realize elastic contact with the mating connector. However, such structure is difficult to assemble, and the spring shell needs additional processing and assembly, so that the overall structure of the socket electrical connector is complex and the manufacturing cost is increased.

[0003] Therefore, it is necessary to design a new waterproof socket connector to solve the above technical problems. CONTENT OF THE INVENTION

[0004] The application aims to provide a waterproof socket connector with good waterproof performance.

[0005] To achieve the above purpose, the application provides the following technical scheme:

[0006] A waterproof socket connector, comprising:

[0007] A terminal assembly provided with a base body and a plurality of terminals combined in the base body, the base body being provided with a base part and a tongue part extending forward from the front end surface of the base part;

[0008] An inner shell member surrounding the periphery of the terminal assembly and combined with the outer periphery of the base part, the inner shell member and the terminal assembly together defining an annular insertion cavity and forming an insertion opening at the front end;

[0009] A spring arm part integrally formed on the inner shell member and protruding into the insertion cavity, the spring arm part being used for elastic contact with a mating connector inserted into the insertion cavity, the inner shell member being provided with a process hole penetrating around the spring arm part;

[0010] An outer shell member including a covering part covering the periphery of the inner shell member;

[0011] a closing portion formed in the cover portion and covering at least the process hole;

[0012] a ring-shaped recessed portion recessed from a side surface of the inner housing member toward a side away from the inner housing member by the cover portion, the ring-shaped recessed portion surrounding the closing portion;

[0013] a waterproof member filled in the ring-shaped recessed portion.

[0014] Further, further comprising:

[0015] a glue inlet hole penetratingly formed in the cover portion and connecting the ring-shaped recessed portion to the outside.

[0016] Further, the elastic arm portion and the process hole are both provided with two and are arranged in the left-right direction perpendicular to the plug-in direction of the docking connector;

[0017] The closing portion is provided with two and is respectively fitted on the outer side surface of the inner housing member at the position where each elastic arm portion is formed;

[0018] The ring-shaped recessed portion is provided with two and is connected to each other, and the glue inlet hole is provided with one and is located between the two ring-shaped recessed portions.

[0019] Further, further comprising:

[0020] a recessed portion recessed from a side surface of the inner housing member toward a side away from the inner housing member by the closing portion, the recessed portion being arranged opposite to the corresponding elastic arm portion for allowing the elastic arm portion to elastically deform.

[0021] Further, the surface of the inner housing member is seamless.

[0022] Further, the outer housing member comprises a first outer housing and a second outer housing, the first outer housing is assembled to cover the lower outer surface of the inner housing member in the up-down direction, and the second outer housing is assembled to cover the upper outer surface of the inner housing member in the up-down direction;

[0023] The first outer housing is extended to form a first ear portion on each side in the left-right direction;

[0024] The second outer housing is extended to form a second ear portion on each side in the left-right direction;

[0025] The first ear portion is arranged in the up-down direction stacked with the second ear portion;

[0026] A locking hole is penetratingly formed in the first ear portion and the second ear portion arranged in the up-down direction stacked.

[0027] Further, each of the terminals includes a fixed segment embeddedly fixed in the base body, a contact segment integrally connected with the fixed segment and at least partially exposed outside the surface of the tongue, and a mating segment integrally connected with the fixed segment and extending outside the base body.

[0028] The mating segment corresponds to electrical connection and fixation with a mating substrate.

[0029] The contact segments are arranged in two rows on the upper and lower surfaces of the tongue, and the two rows of the contact segments correspond one by one in the up-down direction.

[0030] Further, the base body includes an insulating body and a fixed ring portion, the insulating body includes an insulating base portion, and the tongue is formed by extending forward from the front end surface of the insulating base portion;

[0031] The fixed ring portion is sleeved on the periphery of the insulating base portion, including a fixed ring covering the outer peripheral surface of the insulating base portion and a stop ring integrally connected with the front edge of the fixed ring, the stop ring corresponds to the outer periphery of the end connected with the tongue and the insulating base portion and is attached to the front end surface of the insulating base portion;

[0032] The outer peripheral surface of the fixed ring corresponds to the inner peripheral surface of the inner shell and is integrally fixed by welding.

[0033] Further, the front end of the inner shell is folded and extended in a direction away from the insertion cavity to form a folding portion, the folding portion includes a front portion and a rear portion arranged in superposition along the plug-in direction of the mating connector, and the front surface of the front portion is sleeved with a waterproof ring on the outer surface of the front edge of the inner shell.

[0034] The fixed ring portion is formed by drawing / stretching processing of a metal plate or a metal pipe; and the inner shell is formed by drawing / stretching processing of a metal plate or a metal pipe.

[0035] Compared with the prior art, the application has the advantages of good waterproof performance and low manufacturing cost. BRIEF DESCRIPTION OF DRAWINGS

[0036] Figure 1 is a perspective view of a waterproof socket connector of the application.

[0037] Figure 2 is Figure 1 is a perspective view of the waterproof socket connector in FIG. 1 from another angle.

[0038] Figure 3 is Figure 2 is a partial perspective exploded view of the waterproof socket connector in FIG. 1, which specifically shows a perspective view of the first shell separated from the inner shell.

[0039] Figure 4 isFigure 3 is a further exploded view of the waterproof socket connector, showing a perspective view of the first housing and the waterproof member separated from the inner housing member.

[0040] Figure 5 is Figure 4 is a perspective view from another angle.

[0041] Figure 6 is Figure 1 is a partial exploded view of the waterproof socket connector, showing a perspective view of the first housing and the waterproof member separated from the inner housing member, further showing a combined perspective view of the first housing and the waterproof member.

[0042] Figure 7 is Figure 1 is a bottom view of the waterproof socket connector.

[0043] Figure 8 is a sectional view along line A-A in Figure 7

[0044] Figure 9 is Figure 8 is a magnified view of the structure within the dashed box in

[0045] Figure 10 is Figure 9 is another embodiment of the structure shown in

[0046] Figure 11 is a sectional view along line B-B in Figure 7 DETAILED DESCRIPTION

[0047] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0048] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms “mounting”, “assembling”, “connecting”, “connecting” should be understood broadly, for example, can be fixedly connected, or can be detachably connected, or integrally connected; can be mechanically connected, or can be electrically connected; can be directly connected, or can be indirectly connected through an intermediate medium, or can be connected inside two elements. For those skilled in the art, the specific meanings of the above terms in the present application can be understood according to the specific circumstances.

[0049] ​​In the description of the present application, it needs to be understood that the terms "comprising" and "having" and any variations thereof used herein are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device including a series of steps or units does not have to be limited to those steps or units clearly listed, but can include other steps or units not clearly listed or inherent to these processes, methods, products or devices.

[0050] In addition, for the accuracy of the description, all the directions involved in the present application are defined as follows: Figure 1 For reference, the direction where X axis is defined as left-right direction; the direction where Y axis is defined as up-down direction, and the positive direction of Y axis is up; the direction where Z axis is defined as front-rear direction (i.e. the plug-in direction of the plug-in module 9), and the positive direction of Z axis is rear.

[0051] Please refer to Figures 1 to 11 The waterproof socket connector disclosed by the present application includes a terminal assembly 1, an inner shell 2 arranged around the terminal assembly 1, and an outer shell (not numbered) covering the outer periphery of the inner shell 2. The terminal assembly 1 is provided with a base body 11 and a plurality of terminals 12 combined in the base body 11. The base body 11 is provided with a base 111 and a tongue 112 extending forward from the front end of the base 111. The inner shell 2 is arranged around the periphery of the terminal assembly 1 and is combined with the outer periphery of the base 111. The inner shell 2 and the terminal assembly 1 jointly define an annular insertion cavity 20 and form an insertion port 201 at the front end.

[0052] Please refer to Figure 11 The base body 11 includes an insulating body 1101 and a fixing ring part 1102. The insulating body 1101 includes an insulating base 1102. The tongue 112 extends forward from the front end of the insulating base 1102. The fixing ring part 1102 is sleeved around the periphery of the insulating base 1102 and includes a fixing ring 1103 arranged around the outer periphery of the insulating base 1102 and a stop ring 1104 integrally connected with the front edge of the fixing ring 1103. The stop ring 1104 is arranged around the outer periphery of one end of the tongue 112 connected with the insulating base 1102 and is attached to the front end surface of the insulating base 1102. The outer periphery of the fixing ring 1103 is attached to the inner periphery of the inner shell 2 and is fixed integrally by welding. The fixing ring part 1102 can not only firmly combine the insulating body 1101 with the inner shell 2, but also can be used as a stopper after the plug-in of the mating connector (not shown) and can withstand greater plug-in force of the mating connector. In the preferred embodiment of the present application, the fixing ring part 1102 is formed by drawing / stretching processing of a metal plate or a metal pipe.

[0053] Further, each of the terminals 12 includes a fixed segment (not numbered) embedded and fixed in the base body 11, a contact segment 121 integrally connected with the fixed segment and at least partially exposed outside the surface of the tongue portion 112, and a mating segment 122 integrally connected with the fixed segment and extending outside the base body 11. The mating segment 122 corresponds to and is electrically connected with a mating substrate (not shown). The contact segments 121 are arranged in two rows on the upper and lower surfaces of the tongue portion 112. The two rows of the contact segments 121 correspond to each other in the up-down direction. In this application, the waterproof socket connector conforms to the USB Type C socket architecture.

[0054] Please refer to Figures 1 to 9 As shown, the inner shell member 2 integrally extends to form a spring arm portion 21 inclined and protruding into the insertion cavity 20. The inner shell member 2 is formed with a process hole 202 around the spring arm portion 21. The spring arm portion 21 is used for elastic contact with a mating connector inserted into the insertion cavity 20. In the preferred embodiment of the application, the surface of the inner shell member 2 has no seams. Preferably, the inner shell member 2 is formed by drawing / stretching processing of a metal plate or a metal tube, and the spring arm portion 21 is directly formed by stamping and bending of the inner shell member 2.

[0055] Further, the outer shell member covers the periphery of the inner shell member 2, and the outer shell member includes a covering portion 30. The covering portion 30 is formed with a closing portion 31. The closing portion 31 is attached to the outer side surface of the position of the inner shell member 2 where the spring arm portion 21 is formed, and the closing portion 31 is used for covering the process hole 202. The covering portion 30 is attached to one side surface of the inner shell member 2 and recessed to form an annular groove portion 32 on the side away from the inner shell member 2. The annular groove portion 32 surrounds the closing portion 31. In the preferred embodiment, the waterproof socket connector further includes a waterproof member 5 filled in the annular groove portion 32, which is used for sealing and closing the process hole 202. In the preferred embodiment, the covering portion 30 is further formed with a glue inlet hole 301 penetrating therethrough, which communicates the annular groove portion 32 with the outside, and is used for pouring waterproof material into the annular groove portion 32 to form the waterproof member 5.

[0056] In the preferred embodiment, the spring arm portion 21 and the process hole 202 are both provided with two and are arranged in the left-right direction perpendicular to the plug-in direction of the mating connector. The closing portion 31 is provided with two and is respectively attached to the outer side surface of the position of the inner shell member 2 where each spring arm portion 21 is formed. The annular groove portion 32 is correspondingly provided with two and is in communication with each other. The glue inlet hole 301 is provided with one and is located at the position between the two annular groove portions 32.

[0057] Please refer to Figure 10As shown, another embodiment of the closing part 31 of the present application is provided, in which the closing part 31 is recessed from one side surface of the inner shell 2 towards the side away from the inner shell 2 to form a recess 311 for allowing the elastic deformation of the elastic arm part 21.

[0058] As shown in Figures 1 to 9 and Figure 11 As shown in the preferred embodiment of the present application, the outer shell includes a first outer shell 3 and a second outer shell 4. The first outer shell 3 is assembled to cover the lower outer surface of the inner shell 2 in the up-down direction. The second outer shell 4 is assembled to cover the upper outer surface of the inner shell 2 in the up-down direction. The first outer shell 3 is extended to form a first ear part 32 on each side in the left-right direction. The second outer shell 4 is extended to form a second ear part 42 on each side in the left-right direction. The first ear part 32 is stacked with the second ear part 42 in the up-down direction. Locking holes 34 are formed in the first ear part 32 and the second ear part 42 in the up-down direction, which can be used to lock the waterproof socket connector of the present application to the mating substrate.

[0059] As shown in Figure 11 As shown in the preferred embodiment of the present application, the front end of the inner shell 2 is folded to form a folding part 22 extending away from the insertion cavity 20, which includes a front part 221 and a rear part 222 stacked in the insertion direction of the mating connector. The front surface of the front part 221 is sleeved with the waterproof ring 6 at the outer surface position of the front end edge of the inner shell 2.

[0060] In the design of the present application, the inner shell 2 is formed by drawing / stretching processing of a metal plate or a metal tube, and the upper surface of the inner shell 2 is seamless. The elastic arm part 21 is directly formed by stamping and bending on the inner shell 2. The annular groove part 32 is formed on the outer shell (i.e. the first outer shell in the embodiment of the present application), and the waterproof part 5 is implanted in the annular groove part 32 to seal and waterproof the process hole 202. In the preferred embodiment, in order to allow the elastic arm part 21 to deform more elastically, a recess 311 structure is designed at the corresponding position of the closing part 31. Compared with the prior art, the design of the present application simplifies the structure of the waterproof socket connector, eliminates the need for an independent elastic sheet shell to form the elastic arm part 21, reduces the production cost, and has good waterproof performance.

[0061] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, and are not intended to limit the present application; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can still be modified, or some or all of the technical features can be replaced by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

[0062] Although the embodiments of the present application have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A waterproof type socket connector characterized by comprising: The waterproof socket connector comprises a terminal assembly (1) provided with a base body (11) and a plurality of terminals (12) combined in the base body (11), the base body (11) is provided with a base (111) and a tongue (112) extending forward from the front end of the base (111); an inner shell (2) is annularly arranged on the periphery of the terminal assembly (1) and combined with the outer periphery of the base (111), the inner shell (2) and the terminal assembly (1) jointly define an annular insertion cavity (20) and form an insertion opening (201) at the front end; a spring arm portion (21) is integrally formed on the inner shell (2) and protrudes into the insertion cavity (20), the spring arm portion (21) is used for elastically contacting a mating connector inserted into the insertion cavity (20), the inner shell (2) is provided with a process hole (202) penetrating around the spring arm portion (21); an outer shell comprises a covering portion (30) covering the periphery of the inner shell (2); a closing portion (31) is formed on the covering portion (30) and covers at least the process hole (202); an annular groove portion (32) is recessed from one side surface of the covering portion (30) to the side away from the inner shell (2) and surrounds the closing portion (31); and a waterproof member (5) is filled in the annular groove portion (32). Further comprising: A glue inlet hole (301) is formed in the covering portion (30) and communicates the annular groove portion (32) with the outside.

3. The waterproof socket connector according to claim 2, wherein: The spring arm portion (21) and the process hole (202) are both provided with two and are arranged in the left-right direction perpendicular to the plug-in direction of the mating connector; the closing portion (31) is provided with two and is attached to the outer side surface of the inner shell (2) at the positions of the spring arm portions (21); and the annular groove portion (32) is provided with two and communicates with each other, and the glue inlet hole (301) is provided with one and is located between the two annular groove portions (32). Further comprising: A displacement groove (311) is recessed from one side surface of the closing portion (31) to the side away from the inner shell (2) and is arranged opposite to the corresponding spring arm portion (21) for allowing the elastic deformation of the spring arm portion (21). The surface of the inner shell (2) is seamless.

2. The waterproof type socket connector according to claim 1, characterized by The outer shell comprises a first outer shell (3) and a second outer shell (4), the first outer shell (3) is assembled to cover the lower outer surface of the inner shell (2) in the up-down direction, and the second outer shell (4) is assembled to cover the upper outer surface of the inner shell (2) in the up-down direction; the first outer shell (3) is provided with a first ear portion (33) extending on each side in the left-right direction; the second outer shell (4) is provided with a second ear portion (42) extending on each side in the left-right direction; and the first ear portion (33) is arranged in the up-down direction stacked with the second ear portion (42). ​ ​ ​ ​ ​ 4. The waterproof type socket connector according to claim 1, characterized by ​ ​ 5. The waterproof type socket connector according to claim 1, characterized by: ​ 6. The waterproof type socket connector according to any one of claims 1 to 5, characterized by: ​ ​ ​ ​ Locking hole (34) is formed in the first ear and the second ear (42) in the up and down direction.

7. The waterproof type socket connector according to any one of claims 1 to 5, characterized by: Each of the terminals (12) includes a fixed segment embedded in the base body (11), a contact segment (121) integrally connected with the fixed segment and at least partially exposed outside the surface of the tongue (112), and a mating segment (122) integrally connected with the fixed segment and extending outside the base body (11); The mating segment (122) is electrically connected and fixed with the mating substrate; The contact segment (121) is arranged in two rows on the upper surface and the lower surface of the tongue (112), and the two rows of contact segments (121) correspond one by one in the up and down direction.

8. The waterproof type socket connector according to any one of claims 1 to 5, characterized by: The base body (11) includes an insulating body (1101) and a fixed ring part, the insulating body (1101) includes an insulating base (1102), and the tongue (112) is formed by extending forward from the front end surface of the insulating base (1102); The fixed ring part is sleeved on the periphery of the insulating base (1102) and includes a fixed ring (1103) covering the outer peripheral surface of the insulating base (1102) and a stop ring (1104) integrally connected with the front edge of the fixed ring (1103), the stop ring (1104) is correspondingly arranged on the outer periphery of one end of the tongue (112) connected with the insulating base (1102) and is attached to the front end surface of the insulating base (1102) rearward; The outer peripheral surface of the fixed ring (1103) is correspondingly attached to the inner peripheral surface of the inner shell (2) and is integrally fixed by welding.

9. The waterproof type socket connector according to any one of claims 1 to 5, characterized by: The front end of the inner shell (2) is folded and extended in a direction away from the insertion cavity (20) to form a folding part (22), the folding part (22) includes a front part (221) and a rear part (222) arranged in superposition in the plug-in direction of the mating connector, and the front surface of the front part (221) is sleeved with a waterproof ring (6) on the outer surface of the front end edge of the inner shell (2).

10. The waterproof type socket connector according to claim 8, characterized by: The fixed ring part is formed by drawing / stretching processing of a metal plate or a metal pipe; and the inner shell (2) is formed by drawing / stretching processing of a metal plate or a metal pipe.

Images