CN216251263U - Plug, socket and connector assembly - Google Patents

Abstract

The utility model discloses a plug, a socket and a connector assembly, wherein the plug comprises an insulating body and a plug terminal fixed in the insulating body, the insulating body comprises a base and a plug tongue plate protruding from the base, the plug tongue plate comprises a slot, a positioning part and a fixing slot, the slot is symmetrically distributed at the upper side and the lower side of the plug tongue plate, the plug terminal comprises a fixing part fixed on the fixing slot and an elastic contact arm extending to the slot at the upper side or the slot at the lower side, and the plug tongue plate with the slot and the positioning part is of a symmetrical structure. The utility model also discloses a corresponding socket and a connector assembly comprising the plug and the socket, wherein the plug can be inserted into the socket in a positive and negative mode, the use is convenient, and the wear is not easy to occur.

Description

Plug, socket and connector assembly

Technical Field

The utility model relates to the technical field of connectors, in particular to a plug, a socket and a connector assembly.

Background

Connector assemblies typically include a plug and a receptacle that mate with each other, typically in a plug-in configuration. However, the existing plug and socket can only be inserted and connected correctly when the plug and socket are inserted. However, in the use process, the user often inserts the plug randomly, when the plug is inserted reversely, the plug cannot be inserted into the socket, and the insertion direction needs to be adjusted again, which causes inconvenience to the user, and also easily causes wear and even damage to the connector assembly during the reverse insertion process.

Therefore, there is a need to provide a new plug, receptacle and connector assembly to overcome the above problems.

SUMMERY OF THE UTILITY MODEL

In view of the above, an object of the present application is to provide a plug, a socket and a connector assembly capable of being plugged in both directions.

In order to achieve the purpose, the technical scheme of the plug is as follows:

a plug comprises an insulating body and a plug terminal fixed in the insulating body, and is characterized in that the insulating body comprises a base and plug tongue plates protruding from the base, each plug tongue plate comprises a slot, a positioning portion and a fixing slot, the slots are symmetrically distributed on the upper side and the lower side of the plug tongue plate, the positioning portions are symmetrically arranged on the left side and the right side of the plug tongue plate, the fixing slots are located inside the plug tongue plates, the plug terminal comprises a fixing portion fixed on the fixing slots and elastic contact arms extending to the slots on the upper side or the lower side of the slots, and the plug tongue plates with the slots and the positioning portions are of symmetrical structures.

In one embodiment, the plug includes two slots located on the upper side of the insertion tongue plate, two slots located on the lower side of the insertion tongue plate, and two fixing slots located inside the insertion tongue plate, the two slots on the upper side and the two slots on the lower side are symmetrically disposed, the two insertion terminals are fixed in the two fixing slots, and the elastic contact arms of the two insertion terminals extend into the two slots on the upper side.

In one embodiment, the left side and the right side of the insertion tongue plate are respectively provided with the positioning part in a protruding manner, and the positioning part comprises a concave buckling part and a guiding part positioned at the front end.

In one embodiment, the base is provided with a clamping groove communicated with the fixing groove, and the side wall of the clamping groove is integrally provided with an elastic clamping part.

In one embodiment, the slot is communicated with the slot on the lower side of the insertion tongue plate and penetrates through the insulation body along the front-back direction in which the insertion tongue plate protrudes relative to the base.

In one embodiment, the plug terminal includes two elastic contact arms symmetrically arranged, and a free end of each elastic contact arm bends toward the other elastic contact arm to form a contact portion; the jack terminal also includes a prong extending from the securing portion.

In order to achieve the purpose, the technical scheme of the socket is as follows:

the utility model provides a socket, its includes insulating housing and is fixed in insulating housing's butt joint terminal, a serial communication port, insulating housing includes two lateral walls that diapire, symmetry set up, two sides that the symmetry set up and by diapire, both sides wall and both sides limit enclose establish the butt joint chamber that forms, two the lateral wall is provided with respectively and detains portion of holding, the diapire is provided with and extends to the mounting groove of side, butt joint terminal including install in installation department in the mounting groove, certainly protruding the stretching to of installation department butt joint portion in the butt joint chamber and certainly the weld part that the installation department extends, butt joint portion symmetric distribution of butt joint terminal is in two the side has the butt joint chamber of detaining portion of holding and butt joint portion is symmetrical structure.

In one embodiment, two of the butt-joint terminals are mounted on each side edge, and the socket further includes a ground terminal fixed to the side wall.

In one embodiment, the four soldering portions of the butt terminal are distributed on the bottom wall, or the four soldering portions of the butt terminal are distributed on one side.

In order to achieve the above object, the present invention further discloses a connector assembly, which includes the above plug and the above socket that are mutually matched, wherein when mutually matched, the plugging tongue plate of the plug is positively or reversely inserted into the mating cavity of the socket, and the plugging terminal of the plug is in contact connection with the mating terminal on one side of the socket.

Compared with the prior art, the utility model has the beneficial effects that: the upper side and the lower side of the plug tongue plate of the plug are provided with inserting slots, the plug tongue plates are symmetrically arranged, two opposite sides of the corresponding socket are provided with butt joint parts, and the butt joint cavities are symmetrically arranged, so that the plug can be positively and negatively plugged into the socket; the connector assembly comprising the plug and the socket is convenient to use and not easy to damage.

Drawings

Fig. 1 is a schematic structural diagram of the plug of the present invention.

Fig. 2 is a schematic structural view of fig. 1 from another angle.

Fig. 3 is a schematic structural view of the insulative housing of the plug of fig. 1.

Fig. 4 is a schematic structural diagram of the plug terminal of the plug of the present invention.

Fig. 5 is a schematic structural view of fig. 4 from another angle.

Fig. 6 is a schematic structural diagram of the socket of the present invention.

Fig. 7 is a schematic structural view of fig. 6 from another angle.

Fig. 8 is a schematic structural view of fig. 6 from another angle.

Fig. 9 is a schematic structural view of the mating terminal of the socket of the present invention.

Fig. 10 is a schematic structural view of the ground terminal of the socket of the present invention.

Fig. 11 is a schematic structural diagram of another embodiment of the socket of the present invention.

Fig. 12 is a schematic structural view of the connector assembly of the present invention when it is inserted.

Fig. 13 is a schematic structural view of the connector assembly of the present invention during reverse insertion.

Fig. 14 is a schematic view of the mating structure of the mating terminal and the mating terminal of the present invention.

Fig. 15 is a schematic structural view of the mating terminal and the ground terminal when the plug of the present invention is inserted in reverse.

Fig. 16 is a schematic structural view of another embodiment of the connector assembly of the present invention, wherein the plug is being inserted but not being inserted into the receptacle.

Fig. 17 is a schematic diagram of the connector assembly of fig. 16 with the plug inserted in reverse but not inserted into the receptacle.

Detailed Description

To facilitate an understanding of the utility model, the utility model will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. However, the present invention may be embodied in many different forms and is not limited to the embodiments described below. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 5, the present invention discloses a plug 100, which includes an insulative housing 1 and a plug terminal 2 fixed in the insulative housing 1. The insulating body 1 includes a base 11 and a plug tongue 12 protruding from the base 11. The insertion tongue 12 includes an insertion groove 121, a positioning portion 122, and a fixing groove 123. For the sake of clear description, the upper side, the lower side, the left side and the right side of the insertion tongue plate 12 are defined, the insertion slots 121 are symmetrically distributed on the upper side and the lower side of the insertion tongue plate 12, the positioning portions 122 are symmetrically arranged on the left side and the right side of the insertion tongue plate 12, and the fixing slots 123 are located inside the insertion tongue plate 12. The mating terminal 2 includes a fixing portion 21 fixed to the fixing groove 123 and an elastic contact arm 22 extending to the upper slot 121 or the lower slot 121. The insertion tongue plate 12 with the insertion groove 121 and the positioning portion 122 has a symmetrical structure. Thus, the plug tongue 12 of the plug 100 can be inserted into the socket 200 (fig. 13) in a forward or reverse direction, so that the use by an operator is facilitated, the damage of the plug 100 can be prevented, and the service life is prolonged.

Referring to fig. 1 to 5, in an embodiment, the plug 100 includes two slots 121 located on the upper side of the insertion tongue plate 12, two slots 121 located on the lower side of the insertion tongue plate 12, and two fixing slots 123 located inside the insertion tongue plate 12, the two slots 121 on the upper side and the two slots 121 on the lower side are symmetrically disposed, the two insertion terminals 2 are fixed in the two fixing slots 123, and the elastic contact arms 22 of the two insertion terminals 2 extend into the two slots 121 on the upper side. Here, if the upper side of the plug tongue 12 is defined as the forward insertion position and the lower side is defined as the backward insertion position, and the elastic contact arm 22 extends into the two slots 121 on the upper side, the plug 100 can be electrically connected to the mating terminal 4 of the socket 200 when inserted into the socket 200 (fig. 11-14). Since the lower side of the plug tongue 12 has two identical slots 121, the reverse plug can be inserted into the socket 200, and the plug terminals 2 are electrically connected to the other set of plug terminals 4 of the socket 200. Of course, the lower side of the insertion tongue plate 12 can be defined as a forward insertion position, and the upper side can be defined as a reverse insertion position. In other embodiments, after the mating terminal 2 is fixed to the fixing groove 123, the elastic contact arm 22 extends into the slot 121 on the lower side, and the connection can be realized as well.

Referring to fig. 1 to fig. 3, in an embodiment, the left side and the right side of the insertion tongue plate 12 are respectively provided with a positioning portion 122 in a protruding manner, and the positioning portion 122 includes a recessed fastening portion 1221 and a guiding portion 1222 located at the front end. The guide 1222 is located at the front end to facilitate insertion of the plug tongue 12, and the latching 1221 facilitates fixation of the plug tongue 12. The positioning portions 122 are rib-shaped, the positioning portions 122 on both sides are symmetrically arranged, and the positioning portions 122 are also symmetrical up and down, so as to realize the consistency of forward and reverse insertion of the insertion tongue plate 12. In other embodiments, the positioning portion 122 is recessed. The base 11 is provided with a locking groove 111 communicated with the fixing groove 123, and the side wall of the locking groove 111 is integrally provided with an elastic locking part 112. The card slot 111 is used to receive a cable (not shown) connected to the jack terminal 2, and the card portion 122 fixes the cable in the card slot 111. Preferably, the locking slot 111 is communicated with the slot 121 on the lower side of the plug tongue 12 and penetrates through the insulation body 1 with the slot 121 along the front-back direction of the plug tongue 12 protruding relative to the base 11.

Referring to fig. 4 and 5, in an embodiment, the plug terminal 2 includes two elastic contact arms 22 symmetrically disposed, a free end of each elastic contact arm 22 is bent toward the other elastic contact arm 22 to form a contact portion 221, and the two elastic contact arms 22 are gradually folded to two contact portions 211 disposed opposite to each other at intervals to clamp the mating terminal 4 of the plug 200. The plug terminal 2 further comprises a fork portion 23 extending from the fixing portion 21, the fork portion 23 is fork-shaped and has two fork legs 231 oppositely arranged for clamping and fixing the cable. The fixing portion 21 includes a first fixing portion 211 and a second fixing portion 212, and the first fixing portion 211 and the second fixing portion 212 are disposed perpendicular to each other. The two ends of the first fixing portion 211 are bent to form fork portions 23, and the outer sides of the two fork legs 231 of one fork portion 23 are bent toward the same side to form elastic contact arms 22.

Referring to fig. 6 to 10, the present invention also explains a socket 200 including an insulative housing 3 and a mating terminal 4 fixed to the insulative housing 3. The insulating housing 3 includes a bottom wall 31, two symmetrically disposed side walls 32, two symmetrically disposed side edges 33, and a butt-joint cavity 34 defined by the bottom wall 31, the two side walls 32, and the two side edges 33. The two side walls 32 are respectively provided with a buckling part 321, and the insulating housing 3 further includes a mounting groove for mounting the butt terminal 4, in this embodiment, the mounting groove 35 is located on the bottom wall 31 and extends to the side edge 33. The docking terminal 4 includes a mounting portion 41 mounted in the mounting groove 35, a docking portion 42 protruding from the mounting portion 41 into the docking cavity 34, and a soldering portion 43 extending from the mounting portion 41. The mating portions 42 of the mating terminals 4 are symmetrically distributed on the two sides 33, and the mating cavities 34 with the latching portions 321 and the mating portions 42 are symmetrically configured. Thus, the plug receptacle 200 can be easily operated by mating the plug 100 with the mating cavity 34 and the plug tongue 12 for receiving the plug.

Referring to fig. 6 to 10, in one embodiment, two butt terminals 4 are mounted on each side 33, and the socket 200 further includes a ground terminal 5 fixed on the sidewall. The mating terminals 4 are mounted on two opposite sides 33 in pairs, so that the mating terminals 2 can be electrically connected to one of the mating terminals 4 of the plug 100 regardless of whether the plug tongue 12 is inserted in the forward direction or in the reverse direction. The soldering portion 43 of the mating terminal 4 and the grounding terminal 5 are both used for soldering to a circuit board (not shown), so that the socket 200 is mounted and connected to the circuit board. Specifically, butt joint terminal 4 wholly is the T type, installation department 41 is located horizontal portion and partial perpendicular portion, insulating housing 3 is extended out to the one end of horizontal portion in order to facilitate the welding, the horizontal portion of installation department 41 is fixed in the mounting groove 35 of bottom arm 31, partial perpendicular portion is fixed in the mounting groove 35 that is located side 33, the mounting groove 35 that is located side 33 exposes in butt joint chamber 34, thereby the rest of perpendicular portion is located and forms butt joint portion 42 in butt joint chamber 34, butt joint portion 42 is rectangular platelike, can be by the centre gripping of the elasticity contact arm 22 of plug terminal 2. The latching portions 321 are formed on the sidewalls 32 to match with the positioning portions 122 of the plug 100. In other embodiments, when the positioning portion 122 is recessed, the corresponding buckling portion 321 may be a protrusion, so as to realize mutual buckling of the plug 100 and the socket 200, and facilitate plugging.

Referring to fig. 6 to 10, the soldering portions 43 of the four docking terminals 4 are distributed on the bottom wall 31, the side wall 32 and the side edge 33 are disposed perpendicular to the bottom wall 31, and the opening of the docking cavity 34 is perpendicular to the bottom wall 31. When the socket 200 is soldered to the circuit board, the mating cavity 34 is disposed upward, and the plug 100 is inserted into and pulled out of the mating cavity 34 along a direction perpendicular to the circuit board. In another embodiment, referring to fig. 11, the soldering portions 43 of the four docking terminals 4 are located on one side, so that when the socket 200 is soldered on the circuit board, the docking cavity 34 faces parallel to the circuit board, and the plug 100 is inserted into the docking cavity 34 along a direction parallel to the circuit board. The welding part 43 with different positions is arranged according to the position requirement of the docking cavity 34, and can be applied to different scenes.

Referring to fig. 12 to 15, a connector assembly 300 includes the plug 100 and the receptacle 200, which are engaged with each other, wherein when the plug 100 is engaged with the receptacle 200, the insertion tongue 12 of the plug 100 is inserted into the mating cavity 34 of the receptacle 200, and the insertion terminal 2 of the plug 100 is in contact connection with the mating terminal 4 of one side 33 of the receptacle 200, so as to achieve the forward and backward insertion of the plug, thereby facilitating the use of an operator, protecting the plug 100 and the receptacle 200, and prolonging the service life. In an embodiment, referring to fig. 12, when the plug 100 is being inserted into the receptacle 200, the slots 121 of the upper and lower portions 4 of the insertion tongue 12 of the plug 100 are respectively matched with the upper and lower 4 abutting portions 321 in the abutting cavity 34 of the receptacle 200, because the elastic contact arms 22 of the insertion terminals 2 are located in the slots 121 on the upper side, the elastic contact arms 22 clamp the abutting portions 321 on the corresponding side edges 33, and no elastic contact arm 22 located in the slot 121 on the lower side will not be electrically connected with the abutting portions 321. Referring to fig. 12, when the plug 100 is inserted into the receptacle 200, the elastic contact arm in the slot 121 on the upper side of the insertion tongue 12 of the plug 100 clamps the abutting portion 321 on the other side, and the slot 121 on the lower side has no elastic contact arm and is not electrically connected. The elastic contact arm 22 can be electrically contacted with the pair of contact portions 321 at all times regardless of the forward insertion or the backward insertion.

Referring to fig. 16 and 17, another embodiment of the connector assembly 400 of the present invention is different from the connector assembly 300 in that the soldering portion 43 of the socket 200 is disposed at a side edge, so that the mating cavity 34 faces a direction parallel to the circuit board, and the plugging direction is different, and the plug 100 can be plugged into the socket 200 in a forward and backward direction. For ease of understanding, the same structures in different embodiments are numbered identically.

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail. In the above description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Moreover, the technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (10)

1. A plug comprises an insulating body and a plug terminal fixed in the insulating body, and is characterized in that the insulating body comprises a base and plug tongue plates protruding from the base, each plug tongue plate comprises a slot, a positioning portion and a fixing slot, the slots are symmetrically distributed on the upper side and the lower side of the plug tongue plate, the positioning portions are symmetrically arranged on the left side and the right side of the plug tongue plate, the fixing slots are located inside the plug tongue plates, the plug terminal comprises a fixing portion fixed on the fixing slots and elastic contact arms extending to the slots on the upper side or the lower side of the slots, and the plug tongue plates with the slots and the positioning portions are of symmetrical structures.

2. A plug as claimed in claim 1, wherein the plug comprises two of said slots on the upper side of said mating tongue, two of said slots on the lower side of said mating tongue, and two of said slots inside said mating tongue, wherein the two of said slots on the upper side and the two of said slots on the lower side are symmetrically disposed, the two of said mating terminals are fixed in the two of said slots, and the resilient contact arms of the two of said mating terminals extend into the two of said slots on the upper side.

3. The plug according to claim 1, wherein the positioning portions are respectively provided at left and right sides of the insertion tongue plate in a protruding manner, and the positioning portions include recessed snap portions and guide portions at front ends.

4. The plug of claim 1, wherein the base is provided with a locking groove communicated with the fixing groove, and a side wall of the locking groove is integrally provided with a locking part having elasticity.

5. The plug according to claim 4, wherein the engaging groove communicates with the insertion groove on the lower side of the insertion tongue and penetrates the insulating body along a front-rear direction in which the insertion tongue protrudes with respect to the base.

6. The plug of claim 1, wherein said mating terminal includes two symmetrically disposed spring contact arms, a free end of each of said spring contact arms being bent toward the other of said spring contact arms to form a contact portion; the jack terminal also includes a prong extending from the securing portion.

7. The utility model provides a socket, its includes insulating housing and is fixed in insulating housing's butt joint terminal, a serial communication port, insulating housing includes two lateral walls that diapire, symmetry set up, two sides that the symmetry set up and by diapire, both sides wall and both sides limit enclose establish the butt joint chamber that forms, two the lateral wall is provided with respectively and detains portion of holding, the diapire is provided with and extends to the mounting groove of side, butt joint terminal including install in installation department in the mounting groove, certainly protruding the stretching to of installation department butt joint portion in the butt joint chamber and certainly the weld part that the installation department extends, butt joint portion symmetric distribution of butt joint terminal is in two the side has the butt joint chamber of detaining portion of holding and butt joint portion is symmetrical structure.

8. The receptacle of claim 7 wherein two of said mating terminals are mounted to each of said sides, said receptacle further comprising a ground terminal secured to said side wall.

9. The socket of claim 8, wherein four soldering portions of the butt terminals are distributed on the bottom wall, or four soldering portions of the butt terminals are distributed on one side.

10. A connector assembly comprising a plug according to any one of claims 1 to 6 and a socket according to any one of claims 7 to 9 which are mated with each other such that when the mating tongues of the plug are inserted into the mating cavities of the sockets, the mating terminals of the plug are in contact connection with the mating terminals on one of the sides of the socket.

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