CN220628330U - Power connector - Google Patents

Abstract

The utility model provides a power connector, which is electrically connected with a cable through a wiring connection component and provides a wiring port matched with electric equipment, a shell is formed by combining a nut, a protective shell main body and a male plug connector, the protection and sealing functions are provided for the wiring connection component, the cable and the joint of the wiring connection component and the cable, the connection strength of the nut and the protective shell main body is effectively improved by arranging a thread structure on the inner side of the nut to be trapezoid, the phenomenon that sliding teeth are generated in the installation process or loosening and falling are generated in the long-term use process is avoided, and the protection effect of the power connector is improved.

Description

Power connector

Technical Field

The utility model relates to the field of connectors, in particular to a power connector.

Background

Screw connection is usually used between the components of the existing power connector, and in the use process, the original locking nut can be loosened and fall off, so that the tightness is reduced, and the protection level is lower. A waterproof wiring connector such as that of patent publication CN105161867B, comprising a fixing sleeve, an insulating rotor, a metal conductor, a limit cap, a connection cap and a sealing cap; the insulating rotor is provided with a first limiting step for limiting the rotation of the metal conductor, a second limiting step for limiting the movement of the insulating rotor and an electric wire fixing bracket for connecting an external electric wire; the metal conductor is tightly matched with the first limit step and is arranged on the insulating rotor; a limiting rib matched with the second limiting step is arranged in the fixed sleeve; one end of the insulating rotor and the metal conductor are arranged in the fixed sleeve through the second limiting step and the limiting rib, and the other end of the insulating rotor is positioned at the outer side of the fixed sleeve; the fixed sleeve is respectively and hermetically fixed with the limit cap and the connecting cap, and the connecting cap is hermetically fixed with the sealing cap. The waterproof wiring connector can rotate a certain angle and move out part of wiring carrier, and can realize an effective waterproof effect. The connector has a corresponding sealing structure inside, but the connection cap and the fixing sleeve are connected by adopting a threaded connection mode, so that the connector still can be loosened in the use process, and the sealing structure inside is lost to be fixed, so that the sealing performance is greatly reduced.

Disclosure of Invention

Therefore, it is necessary to provide a power connector, which solves the problems of the prior locking nut that may be loosened and fall off during the use process, resulting in reduced tightness and lower protection level.

In order to achieve the above object, the present utility model provides a power connector, including a wiring connection assembly and a housing, wherein the housing includes a nut, a protective housing body, and a male connector; the upper end of the protective shell main body is provided with external threads and is in threaded connection with the nut, and the section of the internal threads of the nut is trapezoid; the upper end of the male plug connector is connected with the lower end of the protective shell main body, and the lower end of the male plug connector is used for being connected with external equipment.

Further, the protection shell further comprises a sealing ring, and the sealing ring is arranged on the inner side of the protection shell body.

Further, the upper end of the protecting shell main body is provided with a pressed part, a series of through grooves are formed in the pressed part along the circumferential direction, the upper portion of the nut is provided with an extrusion part, the sealing ring is arranged on the inner side of the pressed part, and when the nut is connected with the protecting shell main body, the extrusion part applies pressure pointing to the circle center to the pressed part, so that the pressed part extrudes the sealing ring.

Further, the wiring connection assembly comprises connection pins, a male and female plug main body and a male and female plug core, wherein the lower part of the male and female plug main body is provided with an opening, the male and female plug core is sleeved into the male and female plug main body from bottom to top, a plurality of connection pins are arranged, and a plurality of connection pins sequentially penetrate through the male and female plug main body and the male and female plug core.

Further, the novel socket further comprises a plurality of sealing rings, and the plurality of sealing rings are respectively arranged between the male and female plug main bodies and the male and female plug cores and/or between the male and female plug main bodies and the protective shell main bodies.

Further, the outer side of the male and female ferrule is provided with external threads, the inner wall of the protective shell main body is provided with trapezoidal internal threads, and the male and female ferrule is in threaded connection with the protective shell main body.

Further, the connecting needle is a screw connecting needle.

Further, a sleeving part is arranged at the lower end of the protective shell main body, and the upper end of the male plug connector is sleeved with the sleeving part of the protective shell main body; the lower end of the male connector is provided with external threads for being in threaded connection with a connecting port of external equipment.

Further, a plurality of cuts are formed in the lower portion of the male and female plug main body along the circumferential direction, and when the male and female plug cores are sleeved in the male and female plug main body, the inner wall of the male plug connector is contracted inwards from top to bottom.

Further, an anti-slip part is also arranged on the outer side wall of the shell.

Compared with the prior art, above-mentioned technical scheme carries out the electricity through wiring coupling assembling and cable and provides the wiring port with consumer looks adaptation, form the casing through nut, protecting crust main part and public plug connector combination, the junction that connects line coupling assembling, cable and both provides protection and sealing function, through setting up the inboard helicitic texture of nut into trapezium for the joint strength of nut and protecting crust main part obtains effectively improving, avoid producing the smooth tooth in the installation or produce the phenomenon of becoming flexible, coming off in the long-term use, improved power connector's protection effect.

Drawings

FIG. 1 is a front view of a power connector according to an embodiment;

FIG. 2 is an enlarged front view of a portion of a power connector according to an embodiment;

FIG. 3 is a perspective exploded view of a power connector according to an embodiment;

FIG. 4 is a perspective exploded view of another embodiment of a power connector;

FIG. 5 is a partial enlarged view (B) of a perspective exploded view of a power connector according to another embodiment;

fig. 6 is a partially enlarged view (C) of a perspective exploded view of a power connector according to another embodiment.

Reference numerals illustrate:

10. a wiring connection assembly; 11. a connecting needle; 12. a male-female plug body; 121. a notch; 13. a male-female ferrule; 20. a housing; 21. a screw cap; 211. an extrusion part; 22. a protective housing body; 221. a pressure receiving portion; 2211. a through groove; 222. a socket joint part; 23. a male connector; 30. a seal ring; 31. a seal ring; 32. an anti-slip part.

Detailed Description

In order to describe the technical content, constructional features, achieved objects and effects of the technical solution in detail, the following description is made in connection with the specific embodiments in conjunction with the accompanying drawings.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the present application. The appearances of the phrase "in various places in the specification are not necessarily all referring to the same embodiment, nor are they particularly limited to independence or relevance from other embodiments. In principle, in the present application, as long as there is no technical contradiction or conflict, the technical features mentioned in the embodiments may be combined in any manner to form a corresponding implementable technical solution.

Unless defined otherwise, technical terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present application pertains; the use of related terms herein is for the description of specific embodiments only and is not intended to limit the present application.

In the description of the present application, the term "and/or" is a representation for describing logical relationships between objects, which means that three relationships may exist, e.g., a and/or B, representing: there are three cases, a, B, and both a and B. In addition, the character "/" herein generally indicates that the context associated object is a logical relationship of a type "or".

In this application, terms such as "first" and "second" are used merely to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual number, order, or sequence of such entities or operations.

Without further limitation, the use of the terms "comprising," "including," "having," or other like terms in this application is intended to cover a non-exclusive inclusion, such that a process, method, or article of manufacture that comprises a list of elements does not include additional elements but may include other elements not expressly listed or inherent to such process, method, or article of manufacture.

As in the understanding of the "examination guideline," the expressions "greater than", "less than", "exceeding", and the like are understood to exclude the present number in this application; the expressions "above", "below", "within" and the like are understood to include this number. Furthermore, in the description of the embodiments of the present application, the meaning of "a plurality of" is two or more (including two), and similarly, the expression "a plurality of" is also to be understood as such, for example, "a plurality of groups", "a plurality of" and the like, unless specifically defined otherwise.

In the description of the embodiments of the present application, spatially relative terms such as "center," "longitudinal," "transverse," "length," "width," "thickness," "up," "down," "front," "back," "left," "right," "vertical," "horizontal," "vertical," "top," "bottom," "inner," "outer," "clockwise," "counter-clockwise," "axial," "radial," "circumferential," etc., are used herein as terms of orientation or positional relationship based on the specific embodiments or figures, and are merely for convenience of description of the specific embodiments of the present application or ease of understanding of the reader, and do not indicate or imply that the devices or components referred to must have a particular position, a particular orientation, or be configured or operated in a particular orientation, and therefore are not to be construed as limiting of the embodiments of the present application.

Unless specifically stated or limited otherwise, in the description of the embodiments of the present application, the terms "mounted," "connected," "affixed," "disposed," and the like are to be construed broadly. For example, the "connection" may be a fixed connection, a detachable connection, or an integral arrangement; the device can be mechanically connected, electrically connected and communicated; it can be directly connected or indirectly connected through an intermediate medium; which may be a communication between two elements or an interaction between two elements. The specific meanings of the above terms in the embodiments of the present application can be understood by those skilled in the art to which the present application pertains according to the specific circumstances.

Referring to fig. 1 to 6, the present embodiment provides a power connector, which includes a wiring connection assembly 10 and a housing 20, wherein the housing 20 includes a nut 21, a protective housing body 22 and a male connector 23; the upper end of the protecting shell main body 22 is provided with external threads and is in threaded connection with the screw cap 21, and the section of the internal threads of the screw cap 21 is trapezoidal; the upper end of the male connector 23 is connected with the lower end of the protective shell main body 22, the lower end of the male connector 23 is used for connecting external equipment, and external threads can be arranged at the lower end of the male connector 23. The one end of wiring coupling assembling 10 is used for being connected with the cable electricity, and the other end uses commonly used power interface, with the power socket adaptation of outside consumer can, specifically, wiring coupling assembling 10 is including connecting needle 11, public female plug body 12 and public female plug core 13, the lower part opening of public female plug body 12, public female plug core 13 embolias from bottom to top public female plug body 12's inside, connecting needle 11 has a plurality ofly, and a plurality of connecting needle 11 runs through in proper order public female plug body 12 with public female plug core 13. Preferably, the connection needle 11 is a screw connection needle 11, so that the connection stability of the cable is ensured, and the situation that the cable falls off is avoided. The housing 20 is used for protecting the wiring connection assembly 10 and providing a sealing function, so as to prevent the internal electrical connection structure from being interfered or damaged to cause short circuit, thereby damaging the electric equipment. The nut 21, the protective housing body 22 and the male connector 23 may be made of plastic, preferably metal, such as stainless steel, iron or aluminum alloy, and may be plated or provided with an anti-corrosion coating on the surfaces thereof, to prevent rust and further extend the service life, in order to provide higher strength protection and longer service life. The assembly mode of the embodiment is as follows: the cable sequentially passes through the nut 21 and the protective shell main body 22 and then is electrically connected with the wiring connection assembly 10, then the electric connection assembly is sleeved into the protective shell main body 22, the nut 21 and the protective shell main body 22 are connected and fixed with the cable, and finally the male plug connector 23 and the protective shell main body 22 are connected to finish wiring.

The utility model discloses a wiring coupling assembling 10 carries out the electricity with the cable and provides the wiring port with consumer looks adaptation, form the casing through nut 21, protecting crust main part 22 and public plug connector 23 combination, the junction of butt joint line coupling assembling 10, cable and both provides protection and sealing function, through setting up the inboard helicitic texture of nut 21 into trapezium for the joint strength of nut 21 and protecting crust main part 22 obtains effectively improving, avoid producing the smooth tooth or produce the phenomenon of becoming flexible, coming off in the long-term use in the installation, improved power connector's protection effect.

In some embodiments, a sealing ring 30 is further included, and the sealing ring 30 is disposed inside the protective housing body 22. Specifically, the upper end of the protecting shell main body 22 is provided with a pressed portion 221, the pressed portion 221 is provided with a series of through grooves 2211 along the circumferential direction, the upper portion of the nut 21 is provided with a pressing portion 211, the sealing ring 30 is disposed on the inner side of the pressed portion 221, and when the nut 21 is connected with the protecting shell main body 22, the pressing portion 211 applies a pressure directed to the center of a circle to the pressed portion 221, so that the pressed portion 221 presses the sealing ring 30. Through the pressing portion 211. The combined structure of the pressed portion 221 and the seal ring 30 can fix the cable and the protective housing main body 22, and can realize a sealing effect, thereby improving the protection level of the connector.

In some embodiments, a plurality of sealing rings 31 are further included, and a plurality of sealing rings 31 are respectively disposed between the male and female plug bodies 12 and the male and female plug cores 13 and/or between the male and female plug bodies 12 and the protective housing body 22. By extruding the structures on the two sides of the sealing ring 31, the sealing effect is realized, and the protection level is improved.

In some embodiments, the male and female ferrule 13 is provided with external threads, the inner wall of the protecting shell main body 22 is provided with trapezoidal internal threads, and the male and female ferrule 13 is in threaded connection with the protecting shell main body 22, so that the connection strength can be improved as well, and the phenomenon that the threaded connection part cannot slide out or loose in use is ensured.

In some embodiments, a socket part 222 is provided at the lower end of the protecting shell main body 22, and the upper end of the male connector 23 is sleeved with the socket part 222 of the protecting shell main body 22; the male connector 23 is provided with external threads at its lower end for threaded connection with a connection port of an external device, so that the connection between the protective housing main body 22 and the male connector 23 is more stable.

In order to further improve the connection stability between the male and female ferrule 13 and the male and female ferrule main body 12, a plurality of cutouts 121 are formed in the lower portion of the male and female ferrule main body 12 along the circumferential direction, and the inner wall of the male connector 23 is contracted inwards from top to bottom. When the male connector 23 is connected to the male and female connector body 12, the inner wall of the male connector 23 generates an inward extrusion force on the lower portion of the male and female connector body 12, and the lower portion of the male and female connector body 12 has a certain deformation capability due to the plurality of notches 121, so that a corresponding extrusion force is generated on the male and female connector core 13, and the connection between the male and female connector core 13 and the male and female connector body 12 is more stable.

In some embodiments, the housing is also provided with a slip prevention portion 32 on the outer side wall. In particular, the anti-slip portion 32 may be provided on an outer sidewall of at least one of the nut 21, the shield shell body 22, and the male connector 23. The anti-slip part 32 may be a rubber strip, a rubber block, or the like, or may be provided with grooves or ribs to achieve an anti-slip effect.

It should be noted that, although the foregoing embodiments have been described herein, the scope of the present utility model is not limited thereby. Therefore, based on the innovative concepts of the present utility model, alterations and modifications to the embodiments described herein, or equivalent structures or equivalent flow transformations made by the present description and drawings, apply the above technical solutions directly or indirectly to other relevant technical fields, all of which are included in the scope of protection of the present patent.

Claims (10)

1. A power connector, characterized in that: the connector comprises a wiring connecting assembly and a shell, wherein the shell comprises a nut, a protective shell main body and a male plug connector; the upper end of the protective shell main body is provided with external threads and is in threaded connection with the nut, and the section of the internal threads of the nut is trapezoid; the upper end of the male plug connector is connected with the lower end of the protective shell main body, and the lower end of the male plug connector is used for being connected with external equipment.

2. A power connector as defined in claim 1, wherein: the protective shell also comprises a sealing ring, wherein the sealing ring is arranged on the inner side of the protective shell body.

3. A power connector as defined in claim 2, wherein: the upper end of protecting crust main part is equipped with the pressurized part, the pressurized part is equipped with a series of logical groove along circumference, the upper portion of nut is equipped with extrusion portion, the sealing ring set up in the inboard of pressurized part, when the nut with the protecting crust main part is connected, extrusion portion is right the pressurized part applys directional centre of a circle pressure, makes pressurized part extrusion the sealing ring.

4. A power connector as defined in claim 2, wherein: the wiring connection assembly comprises a plurality of connection pins, a male and female plug main body and a male and female plug core, wherein the lower part of the male and female plug main body is provided with an opening, the male and female plug core is sleeved into the male and female plug main body from bottom to top, and the plurality of connection pins sequentially penetrate through the male and female plug main body and the male and female plug core.

5. A power connector as defined in claim 4, wherein: the novel socket further comprises a plurality of sealing rings, wherein the sealing rings are respectively arranged between the male and female plug main bodies and the male and female plug cores and/or between the male and female plug main bodies and the protective shell main bodies.

6. A power connector as defined in claim 4, wherein: the outside of public female core insert is equipped with the external screw thread, the inner wall of protecting crust main part is equipped with trapezoidal internal screw thread, public female core insert with protecting crust main part threaded connection.

7. A power connector as defined in claim 4, wherein: the connecting needle is a screw connecting needle.

8. A power connector as defined in claim 4, wherein: the lower end of the protective shell main body is provided with a sleeving part, and the upper end of the male plug connector is sleeved with the sleeving part of the protective shell main body; the lower end of the male connector is provided with external threads for being in threaded connection with a connecting port of external equipment.

9. A power connector as defined in claim 8, wherein: the lower part of the male and female plug main body is provided with a plurality of notches along the circumferential direction, and when the male and female plug core is sleeved in the male and female plug main body, the inner wall of the male plug connector is contracted inwards from top to bottom.

10. A power connector according to any one of claims 1-9, wherein: the outer side wall of the shell is also provided with an anti-skid part.