CN216818769U - Waterproof electric connector - Google Patents

Abstract

The utility model discloses a waterproof electric connector which comprises a main body shell, a plug shell, a Pin needle, a PCB and pouring sealant, wherein a cavity is arranged in the main body shell, the PCB is arranged in the cavity, the first end of the Pin needle is integrally connected into the plug shell, the second end of the Pin needle is electrically connected with the PCB, the plug shell is integrally connected to one side of the main body shell, and the pouring sealant is filled in the cavity of the main body shell so as to seal and arrange the PCB in the cavity. The waterproof electric connector provided by the utility model has the advantages of small volume and convenient structure assembly.

Description

Waterproof electric connector

Technical Field

The utility model relates to the technical field of plugs, in particular to a waterproof electric connector.

Background

With the development of technology, the service environment of the electrical appliance is more and more complicated, and therefore, the electrical connector is generally required to be waterproof so as to prevent water in a rainy or humid environment from entering the inside of the plug to cause electric leakage. The existing electric connector needs to realize a waterproof function, and usually needs more parts to form a sealing structure, so that the whole waterproof electric connector needs complex assembly and larger volume to be realized, and inconvenience and obstruction are brought to popularization and application of the electric connector.

The above background disclosure is only for the purpose of assisting understanding of the concept and technical solution of the present invention and does not necessarily belong to the prior art of the present patent application, and should not be used for evaluating the novelty and inventive step of the present application in the case that there is no clear evidence that the above content is disclosed at the filing date of the present patent application.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides a waterproof electric connector which is small in size and convenient to assemble in structure.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model discloses a waterproof electric connector which comprises a main body shell, a plug shell, a Pin needle, a PCB and pouring sealant, wherein a cavity is arranged in the main body shell, the PCB is arranged in the cavity, the first end of the Pin needle is integrally connected into the plug shell, the second end of the Pin needle is electrically connected with the PCB, the plug shell is integrally connected to one side of the main body shell, and the pouring sealant is filled in the cavity of the main body shell so as to seal and arrange the PCB in the cavity.

Preferably, the second end of the Pin is connected to the PCB by soldering.

Preferably, the Pin needle is connected with the plug housing in an integral molding manner.

Preferably, the plug housing is integrally connected with the main body housing.

Preferably, the upper surface of the pouring sealant is flush with the port of the cavity.

Preferably, the number of the plug housings is two, the number of the Pin pins is 2a, each a Pin is integrally connected in one plug housing, the two plug housings are integrally connected to one side of the main body casing in parallel, and a is a natural number greater than 1.

Preferably, a is 4.

Compared with the prior art, the utility model has the beneficial effects that: the waterproof electric connector provided by the utility model is integrally connected in the plug shell through the Pin needle, the plug shell is integrally connected to one side of the main body shell, so that the whole volume of the waterproof electric connector is greatly reduced, and the waterproof electric connector is filled in a cavity of the main body shell by combining the pouring sealant, so that the waterproof effect of the waterproof electric connector is good, and the structure is convenient to assemble.

Drawings

FIG. 1 is a schematic structural view of a waterproof plug of a preferred embodiment of the present invention;

fig. 2 is an exploded view of a waterproof plug according to a preferred embodiment of the present invention;

FIG. 3 is a schematic cross-sectional view of the waterproof plug of the preferred embodiment of the present invention without the potting compound;

fig. 4 is an enlarged schematic view at a in fig. 3.

Detailed Description

The embodiments of the present invention will be described in detail below. It should be emphasized that the following description is merely exemplary in nature and is in no way intended to limit the scope of the utility model or its applications.

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 be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element. In addition, the connection may be for either a fixed function or a circuit/signal communication function.

It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the embodiments of the present invention 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 in a particular orientation, and be in any way limiting of the present invention.

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 one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

As shown in fig. 1 to 4, a waterproof electrical connector disclosed in a preferred embodiment of the present invention includes amain body housing 10, aplug housing 20, a Pin 30, aPCB 40 and apotting adhesive 50, wherein acavity 11 is disposed in themain body housing 10, thePCB 40 is disposed in thecavity 11, a first end of the Pin 30 is integrally connected to theplug housing 20, a second end of the Pin is electrically connected to thePCB 40, theplug housing 20 is integrally connected to one side of themain body housing 10, and thepotting adhesive 50 is filled in thecavity 11 of themain body housing 10 to hermetically dispose thePCB 40 in thecavity 11.

The second end of the Pin needle 30 is welded to thePCB 40, the Pin needle 30 is integrally connected to theplug housing 20, theplug housing 20 is integrally connected to themain body housing 10, and the upper surface of thepotting adhesive 50 is flush with the port of thecavity 11. The Pin needle 30 is integrally connected with theplug housing 20, theplug housing 20 is integrally connected with themain body housing 10, and the upper surface of thepouring sealant 50 is flush with the port of thecavity 11, so that the waterproof electric connector has a good appearance effect.

In this embodiment, the number of theplug housings 20 is two, the number of the Pin pins 30 is 8, every 4 Pin pins 30 are integrally connected in oneplug housing 20, and the twoplug housings 20 are integrally connected in parallel to one side of themain body housing 10. The 8 Pin pins 30 are four groups, one group inputs positive/negative electrodes, the other group outputs positive/negative electrodes, and the two groups are communication interfaces. Themain body shell 10 and theplug shell 20 can be respectively processed and molded by adopting a plastic material die, thePCB 40 is a module for converting direct current into direct current voltage, a 4-layer structure is adopted, the area is about 24.6 × 14mm, the size is 1mm smaller than that of a first generation communication collection SIM card, and correspondingly, the size of the whole product is about 38 × 19 × 9 mm.

The top layer of the waterproof electric connector of the embodiment adopts the filling design of thepouring sealant 50, an upper cover is not required, and the high-level waterproof requirement IPX7 can be met; the pouringsealant 50 can be epoxy resin sealant, has a good heat conductivity coefficient, has a certain hardness characteristic after curing, and can completely cover the surface-mounted device on the surface of the PCB, so that the triple characteristics of sealing, heat conduction and protection are achieved.

In some embodiments, the waterproof electrical connector disclosed in the preferred embodiments of the present invention can be prepared by the following method: the Pin needle 30 and theplug shell 20 are integrally formed, then the Pin needle and themain body shell 10 are formed together for a second time to form a semi-sealed cavity, then the Pin needle 30 and thePCB 40 are welded, finally the pouringsealant 50 is poured into thecavity 11 of themain body shell 10, the requirement of sealing and water-proof IPX7 is met, and the Pin needle can be used for electric connectors of electric appliances or power supplies and can also be widely applied to transmission of signals such as AC/DC.

The waterproof electric connector disclosed by the preferred embodiment of the utility model has the following advantages: first, the miniaturization and structure are convenient for assembly, the size of the whole product: length, width, height, 38, 19, 9 mm; secondly, the power density is high and can reach 50W/in³(ii) a Thirdly, the weight is light, and the weight of the whole product is less than 9 g. Therefore, the waterproof electric connector can be matched with systems such as a mobile tool with a battery and the like, occupies small system space, is light in weight and easy to install, and can effectively improve the utilization rate of the battery. Electrical characteristics: high efficiency, wide input voltage range, intelligent detection of battery voltage state, and complete input/output protection function.

The background of the utility model may contain background information related to the problem or environment of the present invention rather than the prior art described by others. Accordingly, the inclusion in the background section is not an admission of prior art by the applicant.

The foregoing is a more detailed description of the utility model in connection with specific/preferred embodiments and is not intended to limit the practice of the utility model to those descriptions. It will be apparent to those skilled in the art that numerous alterations and modifications can be made to the described embodiments without departing from the inventive concepts herein, and such alterations and modifications are to be considered as within the scope of the utility model. In the description herein, references to the description of the term "one embodiment," "some embodiments," "preferred embodiments," "an example," "a specific example," or "some examples" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction. Although embodiments of the present invention and their advantages have been described in detail, it should be understood that various changes, substitutions and alterations can be made herein without departing from the scope of the utility model as defined by the appended claims.

Claims (7)

1. The utility model provides a waterproof electric connector, its characterized in that, includes main part casing, plug shell, Pin needle, PCB board and casting glue, wherein be equipped with the cavity in the main part casing, the PCB board set up in the cavity, the first end an organic whole of Pin needle connect in the plug shell, the second end with PCB board electricity is connected, plug shell body coupling is in one side of main part casing, the casting glue fill in the cavity of main part casing with the PCB board is sealed set up in the cavity.

2. The waterproof electrical connector of claim 1, wherein the second ends of said Pin pins are soldered to said PCB board.

3. The watertight electrical connector of claim 1, wherein the Pin is integrally connected with the plug housing.

4. The watertight connector of claim 1, wherein the plug housing is integrally connected to the main body housing.

5. The waterproof electrical connector of claim 1, wherein an upper surface of the potting adhesive is flush with a port location of the cavity.

6. The waterproof electrical connector according to any one of claims 1 to 5, wherein the number of the plug housings is two, the number of the Pin pins is 2a, each a Pin is integrally connected in one plug housing, the two plug housings are integrally connected in parallel on one side of the main body housing, and a is a natural number greater than 1.

7. The watertight electrical connector of claim 6, wherein a-4.

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