CN219498309U

CN219498309U - Highly waterproof electric connector

Info

Publication number: CN219498309U
Application number: CN202223610722.8U
Authority: CN
Inventors: 曾海平
Original assignee: Dongguan Zhongchuan Industrial Connector Co ltd
Current assignee: Dongguan Zhongchuan Industrial Connector Co ltd
Priority date: 2022-12-31
Filing date: 2022-12-31
Publication date: 2023-08-08
Anticipated expiration: 2032-12-31

Abstract

The utility model belongs to the technical field of electric connectors, and particularly relates to a high waterproof electric connector, which comprises a connector main body; the front end of the connector main body is embedded with a female plug, the front end of the female plug is provided with a plurality of electric jacks, a layer of soft adhesive layer is wrapped outside the female plug, and the soft adhesive layer is provided with a clearance opening for avoiding the electric jacks; the female plug is externally rotatably connected with a threaded connecting ring, a plug-in groove is formed between the threaded connecting ring and the female plug, a sealing ring is accommodated in the plug-in groove, and the sealing ring is sleeved outside the female plug; the connector body is provided with a cable in a penetrating way, and one end of the cable is electrically connected with the electric jack; through the double sealing effect of soft glue film and sealing washer, improved the waterproof performance of electric connector greatly, waterproof performance is high, can satisfy outdoor use or humid environment and use, has high practicality.

Description

Highly waterproof electric connector

Technical Field

The utility model belongs to the technical field of electric connectors, and particularly relates to a high waterproof electric connector.

Background

Besides meeting the general performance requirements, the electric connector has the particularly important requirements that the electric connector has to achieve good contact, reliable work and convenient maintenance, and whether the work reliability directly affects the normal work of an aircraft circuit or not relates to the security risk of the whole host. Therefore, the host circuit has very strict requirements on the quality and reliability of the electric connector, and the electric connector is widely applied to military systems such as aviation, aerospace, national defense and the like due to the high quality and high reliability of the electric connector. Common classification methods for electrical connectors include shape, construction, use, etc.

At present, a female plug of one electric connector is in butt joint with a male plug of another electric connector, sealing and inserting are carried out through a sealing ring between the female plug and the male plug, and a sealing ring is adopted to achieve a waterproof effect. For example: chinese patent application number CN201120294823.1 discloses a waterproof connector. The waterproof connector comprises a male plug and a female plug which are matched with each other, wherein a contact pin and a contact sleeve are respectively arranged in the male plug and the female plug, the male plug comprises a male plug matching section, the outer wall surface of the male plug matching section is a male plug matching surface, the female plug comprises a female plug matching section, the inner wall surface of the female plug matching section is a female plug matching surface, and at least one sealing ring is arranged between the male plug matching surface and the female plug matching surface. According to the utility model, the sealing ring is placed between the male insertion matching surface and the female insertion matching surface, and the gap between the male insertion matching section and the female insertion matching section in the matching process is filled by utilizing the elasticity of the sealing ring, so that the sealing performance is improved.

Therefore, the waterproof connector can fill the gap between the male plug matching section and the female plug matching section in the matching process by placing the sealing ring between the male plug matching surface and the female plug matching surface and utilizing the elasticity of the sealing ring, so as to achieve the sealing waterproof effect. However, for the electrical connector applied in the outdoor or in the humid environment, the waterproof requirement on the electrical connector is very high, only one sealing ring is adopted to seal and waterproof, after long-term use, external water still permeates into the electrical connector, the waterproof performance needs to be further improved, and a high waterproof electrical connector is needed to be provided so as to solve the technical problems.

Disclosure of Invention

The utility model aims to provide a high waterproof electric connector, which aims to solve the technical problems that in the prior art, the electric connector only adopts a sealing ring to seal and waterproof, after long-time use, external water still permeates into the electric connector, and the waterproof performance is required to be further improved.

In order to achieve the above object, a highly waterproof electrical connector provided in an embodiment of the present utility model includes a connector body; the front end of the connector main body is embedded with a female plug, the front end of the female plug is provided with a plurality of electric jacks, a layer of soft adhesive layer is wrapped outside the female plug, and the soft adhesive layer is provided with a clearance opening for avoiding the electric jacks; the female plug is externally rotatably connected with a threaded connecting ring, a plug-in groove is formed between the threaded connecting ring and the female plug, a sealing ring is accommodated in the plug-in groove, and the sealing ring is sleeved outside the female plug; the connector body is provided with a cable in a penetrating mode, and one end of the cable is electrically connected with the electric jack.

Optionally, the front end of the clearance opening is provided as an open opening.

Optionally, a positioning groove is concavely formed in the side wall of the soft adhesive layer, and a concave portion for accommodating the positioning groove is formed in the side wall of the female plug.

Optionally, a connecting part is arranged between the female plug and the connector main body, a limiting ring is convexly arranged between the connecting part and the female plug, an annular limiting part is arranged at the rear end of the threaded connecting ring, an annular hole of the annular limiting part is rotationally connected with the connecting part, and the limiting ring is positioned in the threaded connecting ring and is abutted with the annular limiting part; the inner wall of the threaded connection ring is provided with an internal thread.

Optionally, a plurality of protrusions or grooves are annularly and uniformly distributed on the outer wall of the threaded connection ring.

Optionally, the soft rubber layer is made of silica gel, rubber or latex.

Optionally, a sealing ring is embedded at the front end of the threaded connection ring.

Optionally, the front end of threaded connection ring digs and is equipped with the seal groove, the sealing ring interference inlays and locates in the seal groove, just the front end of sealing ring protrusion outside the seal groove.

Compared with the prior art, the one or more technical schemes in the high waterproof electric connector provided by the embodiment of the utility model have at least one of the following technical effects:

when the electric connector is used, the female plug is in butt joint with the male plug of another electric connector, the male plug is plugged into the electric jack, the female plug is externally wrapped with a layer of soft adhesive layer, the soft adhesive layer is contained in the male plug in an extrusion mode and is in sealing butt joint with the inner wall of the male plug, a gap between the female plug and the male plug is filled with the soft adhesive layer, the sealing effect is good, meanwhile, the front end of the male plug is tightly pressed against the sealing ring in the plugging groove, the sealing ring seals the gap between the male plug and the plugging groove, the waterproof performance of the electric connector is greatly improved through the double sealing effect of the soft adhesive layer and the sealing ring, the waterproof performance is high, outdoor use or humid environment use can be met, and the electric connector has extremely high practicability.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a highly waterproof electrical connector provided by the present utility model.

Fig. 2 is a cross-sectional view of the highly waterproof electrical connector provided by the present utility model.

Fig. 3 is a cross-sectional view of another electrical connector mating of the highly waterproof electrical connector provided by the present utility model.

Fig. 4 is a cross-sectional view of another embodiment of a highly waterproof electrical connector provided by the present utility model.

Wherein, each reference sign in the figure:

100. a connector body; 110. a female plug; 111. an electrical jack; 112. a connection part; 113. a limiting ring; 120. a soft adhesive layer; 121. a clearance opening; 122. an open mouth; 123. a positioning groove; 130. a threaded connection ring; 131. an annular limit part; 132. a protrusion; 133. sealing grooves; 140. a plug-in groove; 150. a seal ring; 160. a cable; 170. a seal ring;

210. male insertion; 211. an electrical pin; 212. and positioning columns.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and intended to illustrate embodiments of the utility model and should not be construed as limiting the utility model.

In the description of the embodiments of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the embodiments of the present utility model and simplify description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the embodiments of the present utility model, the meaning of "plurality" is two or more, unless explicitly defined otherwise.

In the embodiments of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured" and the like are to be construed broadly and include, for example, either permanently connected, removably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the embodiments of the present utility model will be understood by those of ordinary skill in the art according to specific circumstances.

In one embodiment of the present utility model, referring to fig. 1-3, a highly waterproof electrical connector is provided, including a connector body 100.

Referring to fig. 1-3, a female plug 110 is embedded in the front end of the connector main body 100, a plurality of electric jacks 111 are provided in the front end of the female plug 110, a layer of soft adhesive layer 120 is wrapped outside the female plug 110, and a clearance opening 121 for avoiding the electric jacks 111 is provided in the soft adhesive layer 120.

Referring to fig. 1-3, a threaded connection ring 130 is rotatably connected to the outside of the female plug 110, a plugging groove 140 is formed between the threaded connection ring 130 and the female plug 110, a sealing ring 150 is accommodated in the plugging groove 140, and the sealing ring 150 is sleeved outside the female plug 110.

Referring to fig. 1-3, the connector body 100 is provided with a cable 160, and one end of the cable 160 is electrically connected to the electrical jack 111.

referring to fig. 1-3, when in use, the female plug 110 of the high waterproof electrical connector is in butt joint with the male plug 210 of another electrical connector, the electrical pin 211 of the male plug 210 is inserted into the electrical jack 111, and the female plug 110 and the layer of soft adhesive layer 120 thereon are inserted into the male plug 210, because the female plug 110 is wrapped with a layer of soft adhesive layer 120, the soft adhesive layer 120 is extruded and contained in the male plug 210 and is in sealing butt joint with the inner wall of the male plug 210, the gap between the female plug 110 and the male plug 210 is filled with the soft adhesive layer 120, the sealing effect is good, meanwhile, the front end of the male plug 210 is pressed tightly against the sealing ring 150 in the inserting groove 140, so that the sealing ring 150 seals the gap between the male plug 210 and the inserting groove 140, the waterproof performance of the electrical connector is greatly improved through the double sealing effect of the soft adhesive layer 120 and the sealing ring 150, the waterproof performance is high, and the outdoor use or the wet environment use can be satisfied, and the high practicability is achieved.

Further, referring to fig. 1-3, the front end of the clearance opening 121 is provided with an opening 122, so that the electrical pins 211 of the male connector 210 can be conveniently inserted into the electrical jack 111 through the opening 122.

Further, referring to fig. 1-3, a positioning groove 123 is concavely formed in a sidewall of the soft adhesive layer 120, and a recess for accommodating the positioning groove 123 is formed in a sidewall of the female plug 110. The positioning groove 123 is used for positioning and inserting with the positioning column 212 of the male plug 210, so that the female plug 110 and the male plug 210 are aligned and inserted, and reverse insertion is prevented.

In another embodiment of the present utility model, referring to fig. 1 to 3, a connection portion 112 is disposed between the female connector 110 and the connector main body 100, a limiting ring 113 is disposed between the connection portion 112 and the female connector 110, an annular limiting portion 131 is disposed at a rear end of the threaded connection ring 130, an annular hole of the annular limiting portion 131 is rotatably connected to the connection portion 112, so that the threaded connection ring 130 is rotatably connected to the outside of the female connector 110, and the limiting ring 113 is disposed in the threaded connection ring 130 and abuts against the annular limiting portion 131, so as to prevent the threaded connection ring 130 from being separated from the connection portion 112.

1-3, the inner wall of the threaded connection ring 130 is provided with an internal thread for being connected with an external thread on the outer wall of the male connector 210 in an adapting manner, so that the female connector 110 is firmly abutted with the male connector 210.

Further, referring to fig. 1-3, a plurality of protrusions 132 or grooves are uniformly distributed on the outer wall of the threaded connection ring 130, and the protrusions 132 or grooves increase the friction coefficient between the fingers of the user and the outer wall of the threaded connection ring 130, so that the user can conveniently screw the threaded connection ring 130.

The soft adhesive layer 120 is made of silica gel, rubber or latex, so that the soft adhesive layer 120 has good elasticity and can be tightly attached to the inner wall of the male plug 210 when being extruded, thereby achieving good sealing effect.

In another embodiment of the present utility model, referring to fig. 3 and 4, the front end of the threaded connection ring 130 is embedded with the sealing ring 170, after the female plug 110 of the high waterproof electrical connector is butted with the male plug 210 of another electrical connector, the sealing ring 170 is in sealing contact with the rear end edge 213 of the male plug 210, so that the sealing ring 170 seals the gap between the threaded connection ring 130 and the rear end edge 213 of the male plug 210, the waterproof performance of the high waterproof electrical connector is further improved, and the combination of the soft adhesive layer 120 and the sealing ring 150 plays a role of triple sealing, and the waterproof performance is extremely high.

Further, referring to fig. 3 and 4, the front end of the threaded connection ring 130 is dug with a seal groove 133, the seal ring 170 is embedded in the seal groove 133 in an interference manner, so that the seal ring 170 is convenient to install, and the front end of the seal ring 170 protrudes out of the seal groove 133, so that the seal ring 170 can be in sealing abutment with the rear end edge 213 of the male connector 210, and a sealing effect is achieved.

The rest of the present embodiment is the same as the first embodiment, and the unexplained features in the present embodiment are all explained by the first embodiment, and are not described here again.

The foregoing is a further detailed description of the utility model in connection with the preferred embodiments, and it is not intended that the utility model be limited to the specific embodiments described. For those skilled in the art, the architecture of the utility model can be flexible and changeable without departing from the concept of the utility model, and serial products can be derived. But a few simple derivatives or substitutions should be construed as falling within the scope of the utility model as defined by the appended claims.

Claims

1. A highly waterproof electrical connector is characterized by comprising a connector main body; the front end of the connector main body is embedded with a female plug, the front end of the female plug is provided with a plurality of electric jacks, a layer of soft adhesive layer is wrapped outside the female plug, and the soft adhesive layer is provided with a clearance opening for avoiding the electric jacks; the female plug is externally rotatably connected with a threaded connecting ring, a plug-in groove is formed between the threaded connecting ring and the female plug, a sealing ring is accommodated in the plug-in groove, and the sealing ring is sleeved outside the female plug; the connector body is provided with a cable in a penetrating mode, and one end of the cable is electrically connected with the electric jack.

2. The highly waterproof electrical connector of claim 1, wherein: the front end of the clearance opening is provided with an opening.

3. The highly waterproof electrical connector of claim 1, wherein: the side wall of the soft adhesive layer is concavely provided with a positioning groove, and the side wall of the female plug is provided with a concave part for accommodating the positioning groove.

4. The highly waterproof electrical connector of claim 1, wherein: a connecting part is arranged between the female plug and the connector main body, a limiting ring is convexly arranged between the connecting part and the female plug, an annular limiting part is arranged at the rear end of the threaded connecting ring, an annular hole of the annular limiting part is rotationally connected with the connecting part, and the limiting ring is positioned in the threaded connecting ring and is abutted with the annular limiting part; the inner wall of the threaded connection ring is provided with an internal thread.

5. The highly water resistant electrical connector as in any one of claims 1-4, wherein: the outer wall of the threaded connection ring is annularly and uniformly provided with a plurality of bulges or grooves.

6. The highly water resistant electrical connector as in any one of claims 1-4, wherein: the soft rubber layer is made of silica gel, rubber or latex.

7. The highly water resistant electrical connector as in any one of claims 1-4, wherein: the front end of the threaded connection ring is embedded with a sealing ring.

8. The highly water resistant electrical connector of claim 7 wherein: the front end of the threaded connection ring is dug with a sealing groove, the sealing ring is embedded in the sealing groove in an interference mode, and the front end of the sealing ring protrudes out of the sealing groove.