CN216648713U - Male and female plug tight opposite-insertion type connecting line - Google Patents

Abstract

The utility model belongs to the technical field of connecting wires, and particularly relates to a male-female plug tight plug-in connecting wire which comprises a male plug, a female plug, an annular sealing element and a connecting assembly; the front end of the male plug is provided with an electric connector, and the front end of the female plug is provided with an electric interface which is matched and spliced with the electric connector; a first annular connecting part is arranged on the outer wall of the front end of the male plug in a protruding mode in the circumferential direction, and a first annular sealing groove is formed in the front end of the first annular connecting part in an excavated mode; a second annular connecting part is arranged on the outer wall of the front end of the female plug in a protruding mode in the circumferential direction, and a second annular sealing groove is formed in the front end of the second annular connecting part in an excavated mode; the annular sealing element is positioned between the male plug and the female plug, and two ends of the annular sealing element are respectively accommodated in the first annular sealing groove and the second annular sealing groove in a matched and sealed mode; the connecting assembly is used for fixing or unfixing the male plug and the female plug; through the tight seal of annular seal spare connection gap between public plug and the female plug, sealed effectual, the phenomenon of electric leakage can not appear, and the security is high.

Description

Male and female plug tight opposite-insertion type connecting line

Technical Field

The utility model belongs to the technical field of connecting wires, and particularly relates to a male and female plug tight plug-in connecting wire.

Background

Connectors, also known as connectors, plugs and sockets, are used to connect two active devices, transmitting current or signals. A connector is a component that is frequently touched by an electronic engineering technician, and the connector is an indispensable component in electronic equipment. Among them, the connector of large current has high requirement for waterproof performance.

Among the prior art, need be fixed public seat connector and female seat connector after the public seat connector of industrial use inserts female seat connector, in order to prevent the drop of the two, traditional way is fixed the two through the screw, above-mentioned structure is connected firmly, but do not have seal structure usually between public seat and the female seat, only realize sealedly through the mutual mode of counterpointing the compress tightly of public seat and female seat, sealed effect is limited, run into the south return sky or in humid environment, the gap infiltration inside between public seat and the female seat is followed easily to moist aqueous vapor, the phenomenon of electric leakage appears easily, there is the potential safety hazard, the security is not high.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a male-female plug tight opposite-insertion type connecting wire, and aims to solve the technical problems that in the prior art, a sealing structure is not usually arranged between a male seat and a female seat, sealing is realized only by a mutual opposite-insertion and pressing mode of the male seat and the female seat, the sealing effect is limited, and when the male seat and the female seat are in a humid environment or in a backsouth China, moist steam is easy to permeate into the connecting wire from a gap between the male seat and the female seat, the phenomenon of electric leakage is easy to occur, potential safety hazards exist, and the safety is low.

In order to achieve the above object, an embodiment of the present invention provides a male-female plug tight plug-in type connection line, which includes a male plug, a female plug, an annular sealing member and a connection assembly; the front end of the male plug is provided with an electric connector, and the front end of the female plug is provided with an electric interface which is matched and spliced with the electric connector; a first annular connecting part is arranged on the outer wall of the front end of the male plug in a protruding mode in the circumferential direction, a first annular sealing groove is formed in the front end of the first annular connecting part in an excavated mode, and the electric connector is surrounded by the first annular sealing groove; a second annular connecting part is arranged on the outer wall of the front end of the female plug in a protruding mode in the circumferential direction, a second annular sealing groove is formed in the front end of the second annular connecting part in an excavated mode, and the second annular sealing groove surrounds the electrical interface; the annular sealing element is positioned between the male plug and the female plug, and two ends of the annular sealing element are respectively accommodated in the first annular sealing groove and the second annular sealing groove in a matched and sealed mode; the connecting assembly is used for fixing or unfixing the male plug and the female plug.

Optionally, the widths of the first annular sealing groove and the second annular sealing groove are both decreased gradually towards the inside from the openings thereof, and the thickness of the annular sealing element is increased gradually from the two ends thereof towards the middle.

Optionally, an annular sealing ring is arranged on the outer wall of the middle portion of the annular sealing element in a protruding mode in the circumferential direction, and two opposite side ends of the annular sealing ring are in sealing abutting connection with the front end of the first annular connecting portion and the front end of the second annular connecting portion respectively.

Optionally, the outer walls of two opposite sides of the first annular connecting portion are both provided with a first connecting portion, the first connecting portion is provided with a first connecting hole in a penetrating manner, and the first connecting hole faces the female plug; the outer walls of two opposite sides of the second annular connecting part are respectively provided with a second connecting part, a second connecting hole penetrates through the second connecting part, and the second connecting hole and the first connecting hole are coaxially arranged; each first annular connecting part is correspondingly provided with one connecting component, and each connecting component comprises a screw and a nut; the screw rod of each screw movably penetrates through one first connecting hole, each nut is fixedly arranged in one second connecting hole, and the screw rod of each screw is connected with one nut in an adaptive mode.

Optionally, the first connecting portion is disposed on outer walls of four sides of the first annular connecting portion, the second connecting portion is disposed on outer walls of four sides of the second annular connecting portion, and the connecting assemblies are correspondingly four.

Optionally, sealing portions extend from four side walls of the annular sealing ring, the sealing portions are located between the first connecting portion and the second connecting portion, and each sealing portion penetrates through a through hole of a screw rod used for avoiding a space.

Optionally, the nut of the screw is extended with a driving portion.

Optionally, a first through hole communicated with the first annular sealing groove is formed in the rear end of the first annular connecting portion, and a second through hole communicated with the first annular sealing groove is formed in the rear end of the second annular connecting portion.

Optionally, the electrical connector comprises two symmetrically arranged electrical plugs, and each electrical plug is provided with an electrical socket; the electric interface comprises two electric slots, and the two electric slots are provided with terminals; the two electric plug posts are inserted into the two electric slots in a matching mode, and the two terminals are inserted into the two electric jacks in a matching mode, so that the male plug is electrically connected with the female plug.

Optionally, the rear end of the male plug is provided with a first cable electrically connected with the electric connector, and the rear end of the female plug is provided with a second cable electrically connected with the electric interface.

Compared with the prior art, the technical scheme or the technical schemes of the male and female plugs in the tight plug-in type connecting line provided by the embodiment of the utility model at least have one of the following technical effects:

during connection, the electric connector of the male plug is matched and inserted in the electric connector of the female plug, so that the male plug is electrically connected with the female plug, the annular sealing piece is arranged between the male plug and the female plug, the two ends of the annular sealing piece are respectively matched and sealed and accommodated in the first annular sealing groove and the second annular sealing groove, then the male plug and the female plug are fixed through the connecting component, the annular sealing piece is tightly connected between the male plug and the female plug, the connecting gap between the male plug and the female plug is tightly sealed through the annular sealing piece, the sealing effect is good, moist steam can not permeate into the electric connector of the male plug and the electric connector of the female plug from the connecting gap, the waterproof performance is good, the electric leakage phenomenon can not occur, and the safety is high.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the embodiments or the prior art description will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings may be obtained according to these drawings without inventive labor.

Fig. 1 is a schematic structural view of a male-female plug tight-mating type connecting wire of the present invention.

Fig. 2 is an exploded view of the male and female plug tight-mating type connection line of the present invention.

Fig. 3 is an exploded view of the male plug of the present invention.

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

Fig. 5 is an exploded view of the female plug of the present invention.

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

FIG. 7 is a schematic view of the configuration of the ring seal of the present invention.

Wherein, in the figures, the respective reference numerals:

100. a male plug; 110. an electrical connector; 111. an electrical plug; 112. an electrical receptacle; 120. a first annular connecting portion; 121. a first annular seal groove; 122. a first connection portion; 123. a first connection hole; 124. a first through hole; 130. a first cable;

200. a female plug; 210. an electrical interface; 211. an electrical socket; 212. a terminal; 220. a second annular connection portion; 221. a second annular seal groove; 222. a second connecting portion; 223. a second connection hole; 224. a second through hole; 230. a second cable;

300. an annular seal; 310. an annular seal ring; 320. a sealing part; 321. perforating;

400. a connecting assembly; 410. a screw; 411. a screwing part; 412. a convex strip; 420. and a nut.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be illustrative of the embodiments of the present invention, and should not be construed as limiting the utility model.

In the description of the embodiments of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting 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.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. Specific meanings of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.

In one embodiment of the present invention, referring to fig. 1-7, a male-female plug tight-mating type connection line is provided, comprising a male plug 100, a female plug 200, an annular seal 300 and a connection assembly 400.

Referring to fig. 1-7, the front end of the male plug 100 is protruded with an electrical connector 110, and the front end of the female plug 200 is provided with an electrical interface 210 which is fittingly plugged with the electrical connector 110. The electrical connector 110 is adapted to be plugged into the electrical interface 210 and electrically connected thereto.

Referring to fig. 1 to 7, a first annular connecting portion 120 is circumferentially protruded from an outer wall of a front end of the male plug 100, a first annular sealing groove 121 is dug in a front end of the first annular connecting portion 120, and the first annular sealing groove 121 surrounds the electrical connector 110. A second annular connecting portion 220 is protruded from the outer wall of the front end of the female plug 200 in the circumferential direction, a second annular sealing groove 221 is dug in the front end of the second annular connecting portion 220, and the electrical interface 210 is enclosed by the second annular sealing groove 221. The first annular seal groove 121 is disposed opposite to the second annular seal groove 221.

Referring to fig. 1 to 7, the annular sealing member 300 is located between the male plug 100 and the female plug 200, and two ends of the annular sealing member 300 are respectively adapted to be sealingly received in the first annular sealing groove 121 and the second annular sealing groove 221. The connection assembly 400 is used to fix or unfix the male plug 100 and the female plug 200.

Compared with the prior art, the one or more technical schemes of the male and female plugs tightly opposite-plugging type connecting line provided by the embodiment of the utility model at least have one of the following technical effects:

referring to fig. 1 to 7, during connection, the electrical connector 110 of the male plug 100 is fittingly inserted into the electrical interface 210 of the female plug 200, such that the male plug 100 is electrically connected to the female plug 200, the annular sealing member 300 is disposed between the male plug 100 and the female plug 200, and two ends of the annular sealing member 300 are fittingly and sealingly received in the first annular sealing groove 121 and the second annular sealing groove 221, respectively, and then the male plug 100 and the female plug 200 are fixed by the connecting assembly 400, such that the annular sealing member 300 is tightly connected between the male plug 100 and the female plug 200, such that a connection gap between the male plug 100 and the female plug 200 is tightly sealed by the annular sealing member 300, such that a sealing effect is good, moisture cannot penetrate into the electrical connector 110 of the male plug 100 and the electrical interface 210 of the female plug 200 from the connection gap, such that water-proof performance is good, and no electrical leakage occurs, the safety is high.

In another embodiment of the present invention, referring to fig. 1 to 7, the widths of the first annular seal groove 121 and the second annular seal groove 221 are both decreased inward at the openings thereof, so that the first annular seal groove 121 and the second annular seal groove 221 are substantially square-cone-shaped, and the thickness of the annular seal 300 is increased from the two ends thereof to the middle thereof, so that the annular seal 300 is substantially diamond-shaped. When the male plug 100 and the female plug 200 are fixed by the connection assembly 400, the male plug 100 and the female plug 200 may press and push the annular sealing member 300, and because the first annular sealing groove 121 and the second annular sealing groove 221 are substantially square-cone-shaped, when the two ends of the annular sealing member 300 are pressed, the two ends of the annular sealing member may slightly move into the first annular sealing groove 121 and the second annular sealing groove 221, respectively, and the more the two ends are pressed, the more the two ends are tightly fitted with the first annular sealing groove 121 and the second annular sealing groove 221, the better sealing performance and the better waterproof performance are achieved.

Further, the annular sealing member 300 is made of silica gel or rubber, so that the elasticity is good, and tight sealing is facilitated.

Further, referring to fig. 1 to 7, an annular sealing ring 310 is convexly arranged on the outer wall of the middle portion of the annular sealing member 300 in the circumferential direction, opposite two side ends of the annular sealing ring 310 are respectively in sealing abutment with the front end of the first annular connecting portion 120 and the front end of the second annular connecting portion 220, a gap between the first annular connecting portion 120 and the second annular connecting portion 220 is sealed by the annular sealing ring 310, and the two ends of the annular sealing member 300 are respectively in sealing connection with the first annular sealing groove 121 and the second annular sealing groove 221, so that a double sealing effect is achieved, and the sealing performance is further improved.

In another embodiment of the present invention, referring to fig. 1 to 7, the outer walls of two opposite sides of the first annular connecting portion 120 are provided with first connecting portions 122, the first connecting portions 122 are provided with first connecting holes 123 therethrough, and the first connecting holes 123 face the female plug 200. The outer walls of two opposite sides of the second annular connecting portion 220 are both provided with a second connecting portion 222, the second connecting portion 222 is provided with a second connecting hole 223 in a penetrating manner, and the second connecting hole 223 and the first connecting hole 123 are coaxially arranged.

Referring to fig. 1 to 7, each of the first annular connecting portions 120 is correspondingly provided with one of the connecting members 400, and each of the connecting members 400 includes a screw 410 and a nut 420. The screw of each screw 410 is movably inserted into one of the first connection holes 123, each nut 420 is fixedly installed in one of the second connection holes 223, and the screw of each screw 410 is adapted to be connected to one of the nuts 420. Specifically, when the screw 410 is tightened, the screw 410 and the nut 420 are matched to drive the male plug 100 and the female plug 200 to mutually cling and press the annular sealing member 300, so that the male plug 100 and the female plug 200 are fixedly connected and mutually sealed. When the screw 410 is unscrewed, the screw 410 is separated from the nut 420, and external force pulls the male plug 100 and the female plug 200 to be away from each other, so that the male plug 100 and the female plug 200 can be disassembled, and the operation is convenient.

Further, referring to fig. 1 to 7, four outer walls of the first annular connecting portion 120 are provided with the first connecting portion 122, four outer walls of the second annular connecting portion 220 are provided with the second connecting portion 222, and the connecting assembly 400 is correspondingly provided with four. The male plug 100 and the female plug 200 are fixed by the four connecting components 400, so that the connection is firm, even if one connecting component 400 is loosened, the connection of the male plug 100 and the female plug 200 is not influenced, and the stability is high.

Further, referring to fig. 1 to 7, sealing portions 320 extend from four side walls of the annular sealing ring 310, the sealing portions 320 are located between the first connecting portion 122 and the second connecting portion 222, each sealing portion 320 penetrates through a through hole 321 for avoiding a screw of the screw 410, and when the annular sealing ring is connected, the screw of the screw 410 penetrates through the through hole 321 to avoid interference.

Further, referring to fig. 1 to 7, a nut of the screw 410 extends to form a screwing portion 411, and a user can easily screw the screw 410 through the screwing portion 411, which is convenient for the user to operate.

Further, referring to fig. 1 to 7, a plurality of protruding strips 412 are annularly and uniformly distributed on the outer wall of the screwing part 411 along the circumferential direction thereof, and by arranging the protruding strips 412, the friction force between the user's fingers and the screwing part 411 is improved, so that the sliding is not easy.

In another embodiment of the present invention, referring to fig. 1 to 7, a first through hole 124 communicating with the first annular seal groove 121 is formed at a rear end of the first annular connecting portion 120, and a second through hole 224 communicating with the first annular seal groove 121 is formed at a rear end of the second annular connecting portion 220. If the annular seal member 300 is too tightly inserted into the first annular seal groove 121 and the second annular seal groove 221, or if the annular seal member 300 is corroded or broken, a user can conveniently take the annular seal member 300 out of the first annular seal groove 121 and the second annular seal groove 221 for replacement, and at this time, a tool can be used to extend into the first through hole 124 and the second through hole 224 to push the annular seal member 300 out of the first annular seal groove 121 and the second annular seal groove 221, so that the operation and the replacement are convenient.

In another embodiment of the present invention, referring to fig. 1-7, the electrical connector 110 includes two symmetrically disposed electrical posts 111, and each of the electrical posts 111 is provided with an electrical receptacle 112. The electrical interface 210 comprises two electrical sockets 211, both electrical sockets 211 being provided with terminals 212. The two electrical posts 111 are adapted to be plugged into the two electrical slots 211, and the two terminals 212 are adapted to be plugged into the two electrical sockets 112, so that the male plug 100 is electrically connected to the female plug 200. By the connection mode, the terminal 212 is tightly contacted with the electric jack 112, and is firmly matched and not easy to loosen.

Further, referring to fig. 1 to 7, a rear end of the male plug 100 is provided with a first cable 130 electrically connected with the electrical connector 110, and a second cable 230 of the female plug 200 electrically connected with the electrical connector 210. The first cable 130 and the second cable 230 are electrically connected after the male plug 100 and the female plug 200 are plugged, and the first cable 130 and the second cable 230 are used for connecting places where the cables are used.

The rest of this embodiment is the same as the first embodiment, and the unexplained features in this embodiment are explained by the first embodiment, which is not described herein again.

The foregoing is a more detailed description of the utility model in connection with specific preferred embodiments and it is not intended that the utility model be limited to these specific details. For those skilled in the art to which the present invention pertains, the architecture form can be flexible and varied without departing from the concept of the present invention, and a series of products can be derived. But rather a number of simple derivations or substitutions are made which are to be considered as falling within the scope of the utility model as defined by the appended claims.

Claims (9)

1. A male plug and female plug tight plug-in type connecting line is characterized by comprising a male plug, a female plug, an annular sealing element and a connecting assembly; the front end of the male plug is provided with an electric connector, and the front end of the female plug is provided with an electric interface which is matched and spliced with the electric connector; a first annular connecting part is arranged on the outer wall of the front end of the male plug in a protruding mode in the circumferential direction, a first annular sealing groove is formed in the front end of the first annular connecting part in an excavated mode, and the electric connector is surrounded by the first annular sealing groove; a second annular connecting part is arranged on the outer wall of the front end of the female plug in a protruding mode in the circumferential direction, a second annular sealing groove is formed in the front end of the second annular connecting part in an excavated mode, and the second annular sealing groove surrounds the electrical interface; the annular sealing element is positioned between the male plug and the female plug, and two ends of the annular sealing element are respectively accommodated in the first annular sealing groove and the second annular sealing groove in a matched and sealed mode; the connecting component is used for fixing or unfixing the male plug and the female plug; the rear end of the first annular connecting part is provided with a first through hole communicated with the first annular sealing groove, and the rear end of the second annular connecting part is provided with a second through hole communicated with the first annular sealing groove.

2. The male-female plug tight mutual-insertion type connecting wire according to claim 1, characterized in that: the widths of the first annular sealing groove and the second annular sealing groove are decreased gradually towards the inside from the openings of the first annular sealing groove and the second annular sealing groove, and the thickness of the annular sealing element is increased gradually from the two ends of the annular sealing element to the middle of the annular sealing element.

3. The male-female plug tight plug-in type connecting wire according to claim 2, characterized in that: the middle outer wall of the annular sealing element is provided with an annular sealing ring in a circumferential protruding mode, and two opposite side ends of the annular sealing ring are in sealing butt joint with the front end of the first annular connecting portion and the front end of the second annular connecting portion respectively.

4. The male-female plug tight plug-in type connecting wire according to claim 3, wherein: the outer walls of two opposite sides of the first annular connecting part are respectively provided with a first connecting part, the first connecting parts are provided with a first connecting hole in a penetrating manner, and the first connecting holes face the female plug; the outer walls of two opposite sides of the second annular connecting part are respectively provided with a second connecting part, a second connecting hole penetrates through the second connecting part, and the second connecting hole and the first connecting hole are coaxially arranged; each first annular connecting part is correspondingly provided with one connecting component, and each connecting component comprises a screw and a nut; the screw rod of each screw movably penetrates through one first connecting hole, each nut is fixedly arranged in one second connecting hole, and the screw rod of each screw is connected with one nut in an adaptive mode.

5. The male-female plug tight plug-in type connecting wire according to claim 4, wherein: the outer walls of four sides of the first annular connecting part are provided with the first connecting parts, the outer walls of four sides of the second annular connecting part are provided with the second connecting parts, and the connecting components are correspondingly provided with four.

6. The male-female plug tight plug-in type connecting wire according to claim 5, wherein: the four side walls of the annular sealing ring extend to form sealing parts, the sealing parts are located between the first connecting part and the second connecting part, and each sealing part penetrates through a through hole formed in the screw rod of the screw and used for avoiding the space.

7. The male-female plug tight plug-in type connecting wire according to claim 4, wherein: the nut of the screw extends to form a screwing part.

8. The male-female plug tight-mating-type connecting wire according to any one of claims 1-7, wherein: the electric connector comprises two symmetrically arranged electric plug columns, and the two electric plug columns are provided with electric jacks; the electric interface comprises two electric slots, and the two electric slots are provided with terminals; the two electric plug posts are inserted into the two electric slots in a matching mode, and the two terminals are inserted into the two electric jacks in a matching mode, so that the male plug is electrically connected with the female plug.

9. The male-female plug tight-mating-type connecting wire according to any one of claims 1-7, wherein: the rear end of the male plug is provided with a first cable electrically connected with the electric connector, and the female plug is provided with a second cable electrically connected with the electric interface.

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