KR102410363B1 - Connector for connecting cable - Google Patents

Abstract

The present invention relates to a connector for cable connection that can simply wrap and seal a connection gap through which water or moisture can enter when a female connector and a male connector are combined, thereby providing a waterproof and moisture-proof function.
To this end, the present invention provides a female connector; a male connector electrically connected to the female connector; a waterproofing member enclosing and sealing the connection gap between the female connector and the male connector; and a pressing fixing unit provided with a pressing member for pressing the waterproof member.

Description

Connector for cable connection {CONNECTOR FOR CONNECTING CABLE}

The present invention relates to a connector for cable connection, and more particularly, to a connector for cable connection having a waterproof member therein so as to have a high waterproof and moisture-proof function while having an easy fastening structure.

In general, a connector for cable connection is used for power transmission using electricity or transmission of an electronic signal.

For example, the conventional connector for cable connection is provided with female and male connectors to be electrically connected, and has a structure in which a housing is coupled to an outer circumferential surface of the connector coupling part.

Such a connector for cable connection is also installed in various environments requiring waterproofing and moistureproofing, such as outdoors.

However, the waterproof and moisture-proof structure using a tube-shaped tube as described above has a problem in that it is cumbersome to assemble or separate it when replacing or maintaining the connector as well as installing the connector.

Republic of Korea Patent Publication No. 10-2011-0046110 (published on: 2011.05.04.)

The present invention has been devised to solve the above-mentioned problems, and it is possible to simply wrap and seal the connection gap through which water or moisture can enter when the female connector and the male connector are combined, and thus provide a waterproof and moisture-proof function. An object of the present invention is to provide a connector for connecting a single cable.

A connector for cable connection according to the present invention for realizing the above object includes: a female connector formed to a predetermined length and provided with a terminal groove on an axis line; a male connector having a terminal protrusion coupled in the axial direction in the terminal groove so as to be electrically connected to the female connector; It is coupled to the outer circumferential surface of the female connector along the axial direction to enclose and seal the connection gap in which the female connector and the male connector are coupled, and a tube-shaped waterproofing in which the tip in the coupling direction is caught by the irregularities of the outer circumferential surface of the male connector absence; and a pressure fixing unit coupled to the outer circumferential surface of the waterproof member so as to be elastically supportive in a direction in which the waterproof member is coupled, and pressurizes the outer circumferential surface of the distal end of the waterproof member caught and fixed to the unevenness.

In this case, at least one cut-out groove is provided at the front end of the waterproof member so as to be caught and fixed to the unevenness when the waterproof member is coupled, and on the inner peripheral surface of the tip of the waterproof member, a blocking stone to be caught and fixed to the unevenness It may further include those provided to correspond to;

In addition, the pressure fixing part is fixedly coupled to the outer circumferential surface of the waterproof member, the cover housing having a guide space therein; a pressing member slidably coupled in the guide space along the axial direction; and an elastic member coupled within the guide space to elastically support the pressing member in a direction in which the waterproof member is coupled.

In addition, the outer peripheral surface of the male connector, a step for limiting the moving distance of the pressing member; may further include a provided.

Also, on the outer peripheral surface of the male connector, a tapering ring having an inclined surface and being caught on the step is coupled, and the inner peripheral surface of the tip of the pressing member is in close contact with the inclined surface of the tapering when the tip of the waterproof member is pressed and fixed to maintain airtightness It may further include a tapered surface that is provided.

In addition, the cover housing is provided with a guide long hole provided with a locking groove so that the pressure member can be moved to the opposite side of the elastically supported direction to release the pressure-fixed state of the front end of the waterproof member. may further include a provided; a guide protrusion coupled to be reciprocally movable along the guide long hole, and fixed to the locking groove when the pressing member is rotated at a predetermined point.

In addition, the outer peripheral surface of the distal end of the pressing member, a handle formed to protrude to enable the movement operation of the pressing member; may further include.

In addition, the cover housing may further include a fastening member fastened to a fastening hole on one side so as to be fixed to the outer circumferential surface of the waterproof member.

The connector for cable connection according to the present invention having the configuration as described above can maintain airtightness by simply enclosing and sealing the connection gap using a waterproof member when the female connector and the male connector are combined. It has the effect of improving the waterproof and moisture-proof function.

In addition, the female connector and the male connector can be easily separated through the operation of moving the pressing member that pressurizes and fixes the waterproof member to one side by a predetermined length, so that replacement or maintenance of the connector for cable connection can be performed smoothly have an effect

1 is a perspective view of a connector for cable connection according to the present invention;
2 is an exploded perspective view of a connector for cable connection according to the present invention;
3 is a plan view of a connector for cable connection according to the present invention;
4 is a cross-sectional view taken along line II' of FIG. 3;
5 is a detailed view of part 'A' of FIG. 4;
6 is a perspective view of a waterproofing member according to the present invention;
7 is a side cross-sectional view of a waterproofing member according to the present invention;
8 is a sectional view taken along line II-II' of FIG. 7;
9 is a perspective view showing a state in which the pressing and fixing of the pressing member according to the present invention is released;
Figure 10 is a side cross-sectional view of Figure 9;
11 is a side cross-sectional view showing a state in which the female connector and the male connector according to the present invention are separated.

Hereinafter, the configuration and operation of specific embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Here, in adding reference numerals to the components of each drawing, it should be noted that only the same components are marked with the same reference numerals as much as possible even though they are displayed on different drawings.

In addition, in describing the present invention, detailed descriptions of related known functions or configurations will be omitted so as not to obscure the gist of the present invention.

And, when a part "includes" a certain component, this means that other components may be further included, rather than excluding other components, unless otherwise stated.

First, FIG. 1 is a perspective view of a connector for cable connection according to the present invention, FIG. 2 is an exploded perspective view of the connector for cable connection according to the present invention, and FIG. 3 is a plan view of the connector for cable connection according to the present invention.

1 to 3 , the connector 100 for cable connection according to a preferred embodiment of the present invention is largely a female connector 110 , a male connector 120 , a waterproof member 130 , and a pressure fixing part ( 140) is included.

The configuration of the present invention will be described in detail as follows.

First, the female connector 110 may have a cylindrical body having a predetermined length.

Specifically, a terminal groove 111 may be provided on an axial line of one side of the female connector 110 , and a first cable 113 electrically connected to the terminal groove 111 may be provided on the other side.

In this case, in the present invention, the female connector 110 has been illustrated and described as an example of a case in which the body is formed in a cylindrical shape, but the present invention is not limited thereto and may be changed and applied to a polygonal pole.

The male connector 120 is electrically connected to the female connector 110, and the male connector 120 is provided with a terminal protrusion 121 coupled along the axial direction in the terminal groove 111 on one side, The second cable 123 may be connected to the other side.

In this case, the concave-convex 125 may be provided on one outer peripheral surface of the male connector 120 so that a waterproof member 130 to be described later can be caught and fixed. The irregularities 125 may be formed in a ring shape, and a plurality of irregularities 125 may be spaced apart from each other in an axial direction at a portion adjacent to the terminal protrusion 121 .

Referring to FIG. 4 , the waterproof member 130 is fitted along the axial direction to the outer peripheral surface of the female connector 110 , and the outer circumference of the connection gap t in which the female connector 110 and the male connector 120 are coupled. can be wrapped and sealed. The waterproof member 130 may be formed in a tube shape of a synthetic resin, preferably a silicone material having elastic restoring force.

In this case, in the present invention, the entire outer circumferential surface of the female connector 110 is covered so that the connection gap t between the female connector 110 and the male connector 120 can be efficiently wrapped and sealed using the waterproof member 130 . In addition, an example of a case of enclosing a portion of the male connector 120 coupled to the female connector 110 will be illustrated and described.

5, when the waterproof member 130 is coupled to the inner circumferential surface of the distal end in the direction in which the waterproof member 130 is coupled, a locking protrusion 131 to be hooked and fixed to the unevenness 125 of the outer circumferential surface of the male connector 120. may be provided correspondingly.

Referring to FIGS. 6 and 7 , at least one cutout groove 133 may be provided at the tip of the waterproof member 130 so that the inner diameter can be extended while being coupled to the unevenness 125 so that it can be easily caught and fixed. Preferably, a plurality of the incision grooves 133 may be provided to be spaced apart from each other by a predetermined interval based on the axis line.

Referring back to FIG. 4 , the pressure fixing unit 140 may be elastically supported in a direction in which the waterproof member 130 is coupled to the outer circumferential surface of the waterproof member 130 .

Specifically, the pressure fixing unit 140 is coupled to the outer circumferential surface of the waterproof member 130 and presses and fixes the front end outer circumferential surface of the cover housing 141 having a guide space S provided therein, and the waterproof member 130 . A tubular pressure member 143 that is slidably coupled along the axial direction to the guide space S, and the pressure member 143 coupled in the guide space S so that the pressure member 143 is coupled to the waterproof member 130 It may include an elastic member 145 for elastically supporting the direction.

The pressure fixing unit 140 having this configuration may press and fix the outer peripheral surface of the tip of the waterproof member 130 caught and fixed to the unevenness 125 , thereby maintaining the airtightness of the waterproof member 130 ( FIG. 5 ). Reference).

Referring to FIG. 8 , the plurality of cut-out grooves 133 provided at the tip of the waterproof member 130 may be formed to cross the inner central axis of the waterproof member 130 at a predetermined angle. Accordingly, when the outer circumferential surface of the waterproof member 130 is pressed toward the inner axial axis through the pressing member 143, the inner cutout surfaces 133a forming the cutout groove 133 are pressed into close contact with each other, thereby improving the airtight performance. can be improved

Referring to FIG. 9 , the cover housing 141 may be fastened to the fastening hole 141a ( FIG. 2 ) by the fastening member 141b so as to wrap and fix the outer circumferential surface of the waterproof member 130 .

That is, the cover housing 141 is fitted to the outer circumferential surface of the waterproof member 130 and then presses the outer circumferential surface of the waterproof member 130 through the fastening member 141b fastened to the fastening hole 141a. The waterproof member 130 and the cover housing 141 may be integrally fixed to the outer circumferential surface of the connector 110 .

In addition, a step 127 for limiting the movement distance of the pressing member 143 may be provided on the outer peripheral surface of the male connector 120 . The step 127 may be provided through a structure in which a diameter is formed larger than that of the terminal protrusion 121 .

In this case, as shown in FIG. 5 , a tapering 147 having an inclined surface 147a may be fixed to the outer circumferential surface of the male connector 120 provided with the unevenness 125 so as to be caught by the step 127 . And on the inner circumferential surface of the tip of the pressure member 143, the pressure member 143 is in close contact with the inclined surface 147a of the tapering ring 147 when the front end of the waterproof member 130 is pressed and fixed, and a tapered surface 143a for maintaining airtightness is provided. can be By the coupling structure of the tapered ring 147 and the pressing member 143 having the tapered surface 143a in close contact with it, the airtight performance can be improved together with the waterproof member 130 .

9, when the female connector 110 and the male connector 120 are separated from the cover housing 141, the pressing member 143 is moved backward to the opposite side of the elastically supported direction so that the pressing member 143 is A guide long hole 142 provided with a locking groove 142a may be formed to release the state in which the tip of the waterproof member 130 is pressed and fixed.

The guide long hole 142 may be formed in a 'T' shape or a 'L' shape so that a locking groove 142a can be provided.

And the outer peripheral surface of the pressing member 143 may be provided with a guide projection (143b) coupled to be reciprocally movable along the guide long hole (142). Accordingly, when the pressing member 143 compresses the elastic member 145 by a predetermined distance and then rotates the pressing member 143 in one direction, as shown in FIG. 10 , the guide projection 143b engages the engaging groove 142a. While being caught in the pressure member 143 can maintain a reversed state.

In addition, a handle 144 may be formed to protrude from the outer peripheral surface of the distal end of the pressing member 143 to enable movement of the pressing member 143 . The surface of the handle 144 may be processed through a process such as knurling to prevent sliding during operation.

The connector 100 for cable connection according to the present invention having the above configuration uses the waterproof member 130 when the female connector 110 and the male connector 120 are coupled to each other to simply wrap and seal the connection gap t. to maintain airtightness, thereby improving the waterproof and moisture-proof function of the connector 100 for cable connection (see FIG. 4 ).

In addition, the female connector 110 and the male connector 120 can be easily separated through the operation of moving the pressing member 143 for pressing and fixing the waterproof member 130 to one side by a predetermined length (see FIG. 11), Accordingly, replacement or maintenance of the connector 100 for cable connection can be performed smoothly.

In the above, the present invention has been illustrated and described with reference to specific specific embodiments, but the present invention is not limited to the above-described embodiments, and various changes and modifications are possible without departing from the technical spirit of the present invention.

100: connector for cable connection 110: female connector
111: terminal groove 113: first cable
120: male connector 121: terminal projection
123: second cable 125: uneven
t: connection gap 127: step
130: waterproof member 131: locking projection
133: incision groove 140: pressure fixing part
141: cover housing 141a: fastening hole
141b: fastening member S: guide space
142: guide long hole 142a: locking groove

Claims (8)

a female connector formed to a predetermined length and provided with a terminal groove on an axial line; a male connector having a terminal protrusion coupled to the terminal groove in an axial direction so as to be electrically connected to the female connector; It is coupled to the outer circumferential surface of the female connector along the axial direction to enclose and seal the connection gap between the female connector and the male connector, and the tip in the coupling direction is caught and fixed to the unevenness of the male connector outer circumferential surface. absence; and a pressing and fixing part provided with a pressing member that is elastically supported and coupled to the outer peripheral surface of the waterproof member in a direction in which the waterproof member is coupled, and presses the outer peripheral surface of the tip of the waterproof member caught and fixed to the unevenness;
The pressure fixing unit,
a cover housing fixedly coupled to the outer circumferential surface of the waterproof member and having a guide space therein;
a pressing member slidably coupled in the guide space along the axial direction; and
and an elastic member coupled in the guide space to elastically support the pressing member in a direction in which the waterproof member is coupled.
According to claim 1,
At the tip of the waterproof member,
At least one cut-out groove is provided so as to be caught and fixed to the unevenness when the waterproof member is coupled;
On the inner peripheral surface of the tip of the waterproof member,
A connector for cable connection further comprising a correspondingly provided;
delete According to claim 1,
On the outer peripheral surface of the male connector,
A cable connection connector further comprising a; step limiting the moving distance of the pressing member.
5. The method of claim 4,
A tapering ring is coupled to the outer circumferential surface of the male connector, the taper ring being fixed to the step and provided with an inclined surface;
The cable connection connector further comprising a; tapered surface for maintaining airtightness by being in close contact with the inclined surface of the tapering ring when the tip of the waterproof member is pressed and fixed on the inner circumferential surface of the front end of the pressing member.
According to claim 1,
In the cover housing,
A guide long hole provided with a locking groove so that the pressure member can be moved to the opposite side of the elastically supported direction to release the pressure-fixed state at the tip of the waterproof member;
On the outer peripheral surface of the pressing member,
A connector for cable connection further comprising: a guide protrusion coupled to be reciprocally movable along the guide long hole, and fixed to the locking groove when the pressing member is rotated at a predetermined point.
7. The method of claim 6,
On the outer peripheral surface of the front end of the pressing member,
The connector for cable connection further comprising; a handle formed to protrude to enable movement of the pressing member.
According to claim 1,
The cover housing is
A connector for cable connection further comprising a; a fastening member fastened to a fastening hole on one side so as to be fixed to the outer circumferential surface of the waterproof member.

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