CN216720439U - Misplug-proof electric connector device - Google Patents
Misplug-proof electric connector device Download PDFInfo
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- CN216720439U CN216720439U CN202123310986.7U CN202123310986U CN216720439U CN 216720439 U CN216720439 U CN 216720439U CN 202123310986 U CN202123310986 U CN 202123310986U CN 216720439 U CN216720439 U CN 216720439U
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Abstract
The utility model discloses a misplug-proof electric connector device, which comprises: the first connector comprises a first positioning piece, the first positioning piece comprises a socket end, an annular slot is formed in the end face of the socket end, a bulge is formed in the area surrounded by the annular slot, a fool-proof groove is formed in the peripheral wall of the bulge, and the fool-proof groove is communicated with the annular slot; the second connector comprises a second positioning piece, the second positioning piece comprises a plug end matched and connected with the socket end of the first connector, a groove is arranged on the end face of the plug end, the groove is surrounded by the annular insertion protrusion, a foolproof protrusion is arranged on the inner peripheral wall of the annular insertion protrusion, and the foolproof protrusion is matched with the foolproof groove; when the first connector and the second connector are matched, the annular insertion protrusion is inserted into the annular insertion groove, the protrusion is inserted into the groove, and the fool-proof protrusion is inserted into the fool-proof groove. The utility model utilizes the fool-proof bulge to be inserted into the fool-proof groove, thereby ensuring that the first connector and the second connector cannot be inserted wrongly or reversely.
Description
Technical Field
The utility model relates to the technical field of electric connectors, in particular to an electric connector device capable of preventing wrong insertion.
Background
Most electronic devices are equipped with a power connector for receiving power from a power supply and for providing power to charge the power supply. The power connector generally includes a plug connector and a receptacle connector, and the plug connector and the receptacle connector are coupled to each other to realize electrical connection. However, the mating connection portions of the plug connector and the receptacle connector are designed to be square or circular, and the direction cannot be accurately determined from the appearance, which easily causes the plug connector and the receptacle connector to be inserted incorrectly or reversely.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a misplug-proof electric connector device, which solves the problems that the matching connection parts of the existing plug connector and the socket connector are designed to be square or round, the direction cannot be accurately judged from the appearance, and the plug connector and the socket connector are easily misplug or reversely plugged.
Therefore, one technical scheme adopted by the utility model is to provide an electric connector device for preventing wrong insertion, which comprises the following components:
the first connector comprises a first positioning piece, the first positioning piece comprises a socket end, an annular slot is formed in the end face of the socket end, a protrusion is formed in the area surrounded by the annular slot, a fool-proof groove is formed in the outer peripheral wall of the protrusion and communicated with the annular slot;
the second connector comprises a second positioning piece, the second positioning piece comprises a plug end matched and connected with the socket end of the first connector, a groove is formed in the end face of the plug end, the groove is surrounded by an annular insertion projection, a fool-proof projection is arranged on the inner peripheral wall of the annular insertion projection, and the fool-proof projection is matched with the fool-proof groove;
when the first connector and the second connector are matched and connected, the annular insertion protrusion is inserted into the annular insertion groove, the protrusion is inserted into the groove, and the fool-proof protrusion is inserted into the fool-proof groove.
In one embodiment of the present invention, the fool-proof groove and the fool-proof protrusion are both W-shaped.
In one embodiment of the utility model, at least two sealing rings are sleeved on the outer peripheral wall of the plug end, and the at least two sealing rings are arranged at intervals along the longitudinal direction of the plug end.
In one embodiment of the present invention, the first connector further comprises a plurality of insertion holes, the plurality of insertion holes being provided on the projection; the second connector further comprises a plurality of contact pins, and one ends of the contact pins extend into the grooves and are in one-to-one correspondence with the jacks.
In one embodiment of the present invention, the jacks include two first jacks and a plurality of second jacks arranged around the two first jacks; the contact pins comprise two first contact pins and a plurality of second contact pins arranged on the periphery of the two first contact pins, the first contact pins are matched with the first jacks, and the second contact pins are matched with the second jacks.
In one embodiment of the present invention, three second jacks are disposed on the sides of the two first jacks away from the fool-proof slot, and one second jack is disposed on the side of the two first jacks close to the fool-proof slot; two first contact pin is kept away from prevent that slow-witted bellied one side is provided with threely the second contact pin, two first contact pin is close to prevent that slow-witted bellied one side is provided with one the second contact pin.
In one embodiment of the utility model, the diameter of the first receptacle is larger than the diameter of the second receptacle, and the diameter of the first pin is larger than the diameter of the second pin.
The utility model has the advantages that:
different from the prior art, by applying the technical scheme of the utility model, in practical application, as the annular slot is arranged on the end face of the socket end of the first positioning piece of the first connector, the fool-proof groove is arranged on the outer peripheral wall of the protrusion surrounded by the annular slot, the groove is arranged on the end face of the plug end of the second positioning piece of the second connector, the groove is surrounded by the annular inserting protrusion, the fool-proof protrusion is arranged on the inner peripheral wall of the annular inserting protrusion, and the size and the shape of the fool-proof protrusion are matched with those of the fool-proof groove, when the first connector is matched with the second connector, the fool-proof protrusion is inserted into the fool-proof groove, so that the first connector and the second connector can be prevented from being inserted wrongly or reversely.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic structural diagram of an electrical connector device for preventing wrong insertion according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a first connector of the misplug prevention electrical connector apparatus in an embodiment of the utility model;
fig. 3 is a schematic structural diagram of a second connector of the misplug-proof electrical connector device in an embodiment of the utility model.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following 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.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the utility model.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
Referring to fig. 1-3, an embodiment of the utility model provides a misplug-proof electrical connector device, which includes a first connector 10 and a second connector 20.
The second connector 20 includes a second positioning member 21, the second positioning member 21 includes a plug end b coupled to the socket end a of the first connector 10, a groove 26 is formed on an end surface of the plug end b, the groove 26 is surrounded by the annular insertion protrusion 22, a fool-proof protrusion 221 is formed on an inner peripheral wall of the annular insertion protrusion 22, and the fool-proof protrusion 221 is matched with the fool-proof groove 151.
When the first connector 10 and the second connector 20 are mated, the annular insertion protrusion 22 is inserted into the annular insertion groove 12, the protrusion 15 is inserted into the groove 26, and the fool-proof protrusion 221 is inserted into the fool-proof groove 151.
In practical application, the annular slot 12 is disposed on the end face of the socket end a of the first positioning member 11 of the first connector 10, the fool-proof groove 151 is disposed on the outer peripheral wall of the protrusion 15 surrounded by the annular slot 12, the groove 26 is disposed on the end face of the plug end b of the second positioning member 21 of the second connector 20, the groove 26 is surrounded by the annular insertion protrusion 22, the fool-proof protrusion 221 is disposed on the inner peripheral wall of the annular insertion protrusion 22, and the size and shape of the fool-proof protrusion 221 are matched with those of the fool-proof groove 151, when the first connector 10 and the second connector 20 are connected in a matching manner, the fool-proof protrusion 221 is inserted into the fool-proof groove 151, so as to prevent the first connector 10 and the second connector 20 from being mistakenly inserted or reversely inserted.
It should be noted that the fool-proof groove 151 and the fool-proof protrusion 221 extend lengthwise along the mating direction of the first connector 10 and the second connector 20, respectively.
In the embodiment, the fool-proof groove 151 and the fool-proof protrusion 221 are W-shaped. Thus, the structure strength of the fool-proof groove 151 and the fool-proof protrusion 221 is good, and the problem of poor splicing due to the gap generated after long-term wear is not easy to occur.
In the embodiment of the utility model, at least two sealing rings 23 are sleeved on the outer peripheral wall of the plug end b, and the at least two sealing rings 23 are arranged at intervals along the longitudinal direction of the plug end b. Therefore, the plug end b and the socket end a can be tightly matched, and looseness is not easy to generate; but also can prevent water from entering the interior of the misplug-proof electric connector device.
In the embodiment of the present invention, the first connector 10 further includes a plurality of insertion holes, which are disposed on the protrusions 15; the second connector 20 further includes a plurality of pins, one end of each of which extends into the corresponding recess 26 and is disposed in one-to-one correspondence with the corresponding plurality of jacks.
Further, the jacks include two first jacks 13 and a plurality of second jacks 14 arranged around the two first jacks 13; the pins comprise two first pins 24 and a plurality of second pins 25 arranged around the two first pins 24, the first pins 24 are matched with the first jacks 13, and the second pins 25 are matched with the second jacks 14.
Furthermore, three second jacks 14 are arranged on one sides of the two first jacks 13 far away from the fool-proof groove 151, and one second jack 14 is arranged on one side of the two first jacks 13 near the fool-proof groove 151; three second pins 25 are arranged on one side, away from the fool-proof protrusion 221, of the two first pins 24, and one second pin 25 is arranged on one side, close to the fool-proof protrusion 221, of the two first pins 24.
Further, the diameter of the first receptacle 13 is larger than that of the second receptacle 14, and the diameter of the first pin 24 is larger than that of the second pin 25.
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 specific and detailed, but not to be construed as limiting the scope of the utility model. 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 (7)
1. A misplug-proof electrical connector device, comprising:
the first connector comprises a first positioning piece, the first positioning piece comprises a socket end, an annular slot is formed in the end face of the socket end, a protrusion is formed in the area surrounded by the annular slot, a fool-proof groove is formed in the outer peripheral wall of the protrusion and communicated with the annular slot;
the second connector comprises a second positioning piece, the second positioning piece comprises a plug end matched and connected with the socket end of the first connector, a groove is formed in the end face of the plug end, the groove is surrounded by an annular insertion projection, a fool-proof projection is arranged on the inner peripheral wall of the annular insertion projection, and the fool-proof projection is matched with the fool-proof groove;
when the first connector and the second connector are matched and connected, the annular inserting protrusion is inserted into the annular inserting groove, the protrusion is inserted into the groove, and the fool-proof protrusion is inserted into the fool-proof groove.
2. The device of claim 1 wherein the fool-proof slot and the fool-proof protrusion are both W-shaped.
3. The misplug-proof electrical connector device of claim 1, wherein the outer peripheral wall of the plug end is sleeved with at least two sealing rings, and the at least two sealing rings are arranged at intervals along the longitudinal direction of the plug end.
4. The misplug-proof electrical connector device of claim 1, wherein the first connector further comprises a plurality of receptacles, the plurality of receptacles being disposed on the protrusion; the second connector further comprises a plurality of contact pins, and one ends of the contact pins extend into the grooves and are in one-to-one correspondence with the jacks.
5. The misplug-proof electrical connector device of claim 4, wherein the jacks include two first jacks and a plurality of second jacks disposed about the two first jacks; the contact pins comprise two first contact pins and a plurality of second contact pins arranged on the periphery of the two first contact pins, the first contact pins are matched with the first jacks, and the second contact pins are matched with the second jacks.
6. The misplug-proof electrical connector device of claim 5, wherein three of the second jacks are provided on the sides of the two first jacks away from the fool-proof slot, and one of the second jacks is provided on the sides of the two first jacks close to the fool-proof slot; two first contact pin is kept away from prevent that slow-witted bellied one side is provided with threely the second contact pin, two first contact pin is close to prevent that slow-witted bellied one side is provided with one the second contact pin.
7. The misplug-proof electrical connector apparatus of claim 5, wherein the diameter of the first receptacle is larger than the diameter of the second receptacle, and the diameter of the first pin is larger than the diameter of the second pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123310986.7U CN216720439U (en) | 2021-12-27 | 2021-12-27 | Misplug-proof electric connector device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123310986.7U CN216720439U (en) | 2021-12-27 | 2021-12-27 | Misplug-proof electric connector device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216720439U true CN216720439U (en) | 2022-06-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123310986.7U Active CN216720439U (en) | 2021-12-27 | 2021-12-27 | Misplug-proof electric connector device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216720439U (en) |
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2021
- 2021-12-27 CN CN202123310986.7U patent/CN216720439U/en active Active
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