JP2010010076A - Connector having cover - Google Patents

Abstract

Provided is a connector with a cover that can increase the degree of adhesion between an electric wire fixing portion of a cover and the electric wire and reliably prevent the electric wire from coming off from the electric wire fixing portion.
A connector housing 11 for accommodating a terminal connected to one end of an electric wire 13 and a cover 30 attached to the connector housing 11 and guiding the electric wire 13 drawn out from the connector housing 11 to the outside while guiding the electric wire. And a wire fixing portion 35 for fastening the wire 13 with a binding band 40 and fixing the wire 13 to the outside through which the wire 13 of the cover 30 is led out. In the connector 10 with a cover in which the band insertion hole 37 is inserted, the binding band 40 is wound around the electric wire fixing portion 35 in an oblique direction with respect to the direction in which the electric wire 13 is led out, and the electric wire 13 is inclined to the electric wire fixing portion 35. It was configured to be fastened and fixed with a hanging binding band 40.
[Selection] Figure 1

Description

  The present invention relates to a connector with a cover provided with a cover that covers and protects an electric wire drawn from a connector housing.

  As this type of connector with cover, there is one shown in FIG. 15 (see, for example, Patent Document 1).

  As shown in FIG. 15, the connector with cover 1 is attached to the connector housing 2 that houses the terminals 4 connected to the one end portion 3 a of the electric wire 3, and is pulled out from the connector housing 2. And a lever 5 that is assembled so as to straddle the cover 5 in the width direction.

A wire fixing portion 6 having a substantially gate-shaped cross section for fixing the electric wire 3 by fastening the electric wire 3 with a binding band 8 protrudes from the electric wire outlet port 5a through which the electric wire 3 of the cover 5 is led out. A pair of band insertion holes 6 a and 6 a through which the binding band 8 is inserted are formed at the corners on both sides of the wire fixing portion 6. Then, the binding band 8 is wound around the electric wire fixing portion 6, and the electric wire 3 is fastened and fixed to the electric wire fixing portion 6 with the binding band 8.
JP 2002-343497 A (FIGS. 1 and 7) Japanese Patent Laying-Open No. 2007-200696 (FIG. 1) JP-A-8-50952 (FIGS. 1 and 5)

  However, since the conventional connector 1 with a cover has a structure in which the plurality of electric wires 3 are simply brought into contact with the inner surface of the electric wire fixing portion 6 having a substantially gate-shaped cross section of the cover 5, the electric wire fixing portion 6 and the electric wires 3. The adhesion force (holding force) was weak, and the electric wire 3 was easy to come off from the electric wire fixing part 6.

  Accordingly, the present invention has been made to solve the above-described problems, and has a cover with which the degree of adhesion between the electric wire fixing portion of the cover and the electric wire can be increased to reliably prevent the electric wire from coming off from the electric wire fixing portion. An object is to provide a connector.

  The invention according to claim 1 is a connector housing for accommodating a terminal connected to an end of an electric wire, and a cover attached to the connector housing and guiding the electric wire drawn out from the connector housing to the outside while guiding it. Provided with a wire fixing portion for fastening and fixing the electric wire with a binding band at an electric wire outlet for leading the electric wire to the outside of the cover, and forming a band insertion hole for inserting the binding band into the electric wire fixing portion In the attached connector, the binding band is wound around the wire fixing portion in an oblique direction with respect to the lead-out direction of the electric wire, and the electric wire is fastened to the wire fixing portion with the binding band and fixed. It is characterized by.

  The invention according to claim 2 is the connector with cover according to claim 1, wherein the band insertion hole is inclined with respect to a direction in which the electric wire is led out so that the binding band can be wound around the electric wire fixing portion. Each pair is formed so as to be parallel to each other, and the binding band is inserted into a pair of band insertion holes on one side of the pair of band insertion holes that are diagonally parallel to each other. The wire is wound in an oblique direction with respect to the lead-out direction, and the electric wire is clamped and fixed inside the electric wire fixing portion by the binding band.

  The invention according to claim 3 is the connector with cover according to claim 1, wherein the cover body of the cover is formed in a box shape having an opening on the connector housing side and the wire outlet port side, A locking lock plate is integrally formed on one side via a hinge portion, and a pair of engagements are engaged with a pair of engaging portions formed on both sides of the cover body on both sides of the locking lock plate. A stop portion is formed, and a press-fitting rib is formed in each locking portion.

  As described above, according to the first aspect of the present invention, the binding band is wound around the wire fixing portion of the cover in an oblique direction with respect to the direction in which the electric wire is led out, and the electric wire is fastened to the wire fixing portion with the binding band. By being comprised so that it may fix, the adhesion degree between the electric wire fixing part of a cover and an electric wire can be raised, and the electric wire omission from an electric wire fixing part can be prevented reliably.

  According to the second aspect of the present invention, the pair of band insertion holes are formed so as to be oblique and parallel to the lead-out direction of the electric wire so that the binding band can be wound around the electric wire fixing portion of the cover. The binding band is inserted in a pair of band insertion holes on one side of the pair of band insertion holes that are oblique and parallel, so that the binding band is wound in an oblique direction with respect to the lead-out direction of the electric wire. By configuring the electric wire to be fixed inside the fixing part by fastening it with a binding band, it is possible to wind the binding band around the electric wire fixing part so that the adhesion between the electric wire fixing part and the electric wire can be increased. It is possible to increase, and it is possible to more reliably prevent the wire from coming off from the wire fixing portion.

  According to the third aspect of the present invention, the cover body of the cover is formed in a box shape with the connector housing side and the wire outlet port side opened, and the one side part of both sides of the cover body is locked to be opened via the hinge part. A plate is integrally formed, and a pair of locking portions that are locked to a pair of engaging portions formed on both sides of the cover body are formed on both sides of the locking lock plate, and press fitting is performed on each locking portion. When the pair of locking portions of the locking lock plate are locked to the pair of engaging portions on both sides of the cover body, the ribs for press-fitting of the locking portions are loosened. It can be eliminated, and the opening of both sides of the cover body can be completely prevented.

  Hereinafter, an embodiment of the present invention will be described with reference to the drawings.

  1 is a perspective view of a connector with a cover according to an embodiment of the present invention as viewed from the cover side, FIG. 2 is a perspective view of the connector with the cover removed, FIG. 3 is a perspective view of the cover, and FIG. FIG. 5A is a partial perspective view showing the wire fixing portion of the cover, FIG. 5B is an enlarged perspective view of the main portion of the wire fixing portion, and FIG. 6 shows the connector with the cover. The perspective view which shows the state which attached the cover, FIG. 7 is the fragmentary perspective view which shows the state before mounting | wearing with the locking lock plate of the cover, FIG. 8 is the fragmentary perspective view which shows the state which mounted | wore the locking lock plate. FIG. 9 is a partial cross-sectional view showing a state in which an electric wire is fixed to a wire fixing portion of the cover with a binding band, and FIG. 10 is a partial perspective view of the state in which the electric wire is fixed to the electric wire fixing portion of the cover with a binding band from the back side. FIG. 11 is an enlarged explanatory view of the locking stopper plate, and FIG. FIG. 13A is a perspective view of the bundle band, FIG. 13A is an operation explanatory view of fixing the electric wire by passing the binding band through a pair of band through holes on one side of the electric wire fixing portion of the cover, and FIG. It is operation | work explanatory drawing which penetrates a binding band to a pair of band through-hole on the other side of an electric wire fixing | fixed part, and fixes an electric wire.

  As shown in FIGS. 1 and 6, the connector with cover 10 includes a connector housing 11 made of a synthetic resin that accommodates a terminal (not shown) connected to one end portion 13 a of the electric wire 13, and a shaft portion 23 on the connector housing 11. And a synthetic resin lever 20 which is rotatably supported by the connector housing 11 to fit a mating connector (not shown) to the connector housing 11 with a low insertion force, and is detachably attached to the connector housing 11. And a cover 30 made of synthetic resin that guides the electric wire 13 drawn from the outside and guides it to the outside.

  As shown in FIGS. 1 and 2, the connector housing 11 is formed in a box shape having a terminal accommodating portion 11a for accommodating a plurality of terminals. A rectangular engagement hole (engagement portion) 11b in which an engagement claw (engagement portion) 31b of the cover 30 described later is detachably engaged is formed at the upper and lower positions on both sides of the terminal accommodating portion 11a. It is.

  A waterproof plug 14 for sealing is fitted into one end 13a of the electric wire 13 connected to each terminal accommodated in the terminal accommodating portion 11a. Further, as shown in FIG. 9, the plurality of electric wires 13 drawn out from the connector housing 11 are directly fixed to the electric wire fixing portion 35 of the cover 30 to be described later by the binding band 40, but FIG. As shown in FIG. 2, the cable 30 may be fixed to the electric wire fixing portion 35 of the cover 30 with the binding band 40 while being bundled with a tape (not shown) and inserted through the corrugated tube 15 made of rubber or the like. The corrugated tube 15 has grooves 15a and protrusions 15b formed alternately and continuously, and has elasticity.

  As shown in FIGS. 1, 2, and 6, the lever 20 is formed in a U shape with an operation portion 21 and both side portions 22 and 22. The lever 20 is rotatably supported on both side surfaces 11c and 11c of the connector housing 11 via shafts 23 formed on both side portions 22.22. Further, cam grooves 24 are formed on both side portions 22 and 22 of the lever 20, respectively. Then, each cam pin protruding from both side surfaces of the mating connector is engaged with each cam groove 24 of the lever 20 and slides, whereby the connector housing 11 and the mating connector can be inserted with a low insertion force by the cam action. It is designed to be fitted.

  As shown in FIGS. 1 to 3, the cover 30 is an elongated dome-shaped (box-shaped) cover body having an opening on the lower surface (connector housing 11) side and the wire outlet port 34 side for leading the wires 13 to the outside. 31. At both ends of both side portions 31a and 31a of the elongated dome-shaped cover body 31, hook-shaped locking claws 31b that are detachably attached to the respective engagement holes 11b of the connector housing 11 are formed.

  As shown in FIGS. 1 and 3 to 6, an opening locking plate 33 is integrally formed on one side portion 31 a of the cover body 31 via a hinge portion 32. The locking lock plate 33 is formed in a U shape by a plate-like lock body 33a and L-shaped hook-shaped hook portions (locking portions) 33b and 33b formed integrally on both sides of the lock body 33a. It is. The hinge portion 32 is formed integrally with the one hook portion 33b. Further, as shown in FIG. 12, a rib 33c for press-fitting is integrally formed on the inner side of both hook portions 33b and 33b. Then, as shown in FIG. 7 and FIG. 8, the locking lock plate 33 is bent via the hinge portion 32 so as to straddle both side portions 31a and 31a of the cover body 31, and the pair of hook portions 33b and 33b are covered. By engaging engagement recesses (engagement portions) 31c and 31c formed on both side portions 31a and 31a of the main body 31, the opening of both side portions 31a and 31a of the cover main body 31 is prevented. At this time, the ribs 33c of the hook portions 33b can completely prevent the side portions 31a and 31a of the cover main body 31 from being opened by eliminating backlash.

  Further, as shown in FIGS. 1 to 3 to 6, an electric wire for fixing the plurality of electric wires 13 by fastening them with a binding band 40 in an electric wire outlet 34 through which the plural electric wires 13 of the cover body 31 are led out. The fixing portion 35 is formed so as to project integrally. The wire fixing portion 35 is formed in an inverted U shape in cross section. In the electric wire fixing portion 35 having an inverted U-shaped cross section, the band insertion holes 37 and 37 ′ are inclined and parallel to the lead-out direction of the electric wire 13 so that the binding band 40 can be wound around. Each pair is formed respectively. Then, the binding band 40 is inserted into the pair of band insertion holes 37, 37 or 37 ', 37' on one side of the pair of band insertion holes 37, 37 and 37 ', 37' parallel to each other. Thus, the binding band 40 is wound in an oblique direction with respect to the lead-out direction of the electric wire 13, and the plurality of electric wires 13 are tightened with the binding band 40 on the inner surface 35 b side of the electric wire fixing portion 35 having an inverted U-shaped cross section. It is configured to be fixed.

  Further, as shown in FIGS. 4, 5A and 5B, a pair of wire holding protrusions 38 and 38 are formed in an arc shape on the inner surface 35b of the wire fixing portion 35 having an inverted U-shaped cross section. Integrally protruding. As shown in FIG. 5B, the tip of each wire holding projection 38 is formed in a concavo-convex shape (the concave portion of this concavo-convex shape is indicated by reference numeral 38a, and the convex portion is indicated by reference numeral 38b). .

  As shown in FIGS. 1 and 9 to 12, the binding band 40 includes a band main body 41 having a plurality of flange portions 41 a on the inner surface, and an attachment / detachment of the flange portion 41 a at an arbitrary position by inserting the band main body 41. A square frame-shaped lock portion 42 that is freely locked is provided.

  According to the cover-equipped connector 10 of the above embodiment, as shown in FIGS. 1 and 2, when the cover 30 is attached to the connector housing 11, the cover main body 31 of the cover 30 is inserted into each engagement hole 11 b of the connector housing 11. The respective locking claws 31b are locked. Next, as shown in FIGS. 7 and 8, a pair of hook portions 33 b and 33 b of a locking lock plate 33 integrally formed on one side portion 31 a of the cover main body 31 via a hinge portion 32 are connected to the cover main body 31. Are engaged with a pair of engaging recesses 31c and 31c on both side portions 31a and 31a. Thereby, opening of the both side parts 31a and 31a of the cover main body 31 can be prevented. At this time, the ribs 33c of the hook portions 33b can eliminate the backlash, and the opening of the side portions 31a and 31a of the cover body 31 can be completely prevented.

  Next, as shown in FIGS. 1, 9, and 10, the plurality of electric wires 13 are fixed via the binding band 40 in the electric wire fixing portion 35 having an inverted U-shaped cross section of the cover 30. At this time, as shown in FIGS. 13A and 13B, each pair of band insertion holes formed in each pair of the wire fixing portion 35 so as to be oblique and parallel to the direction in which the wires 13 are led out. A binding band 40 is inserted through a band gun 45 into a pair of band insertion holes 37, 37 or 37 ', 37' on either one of 37, 37 and 37 ', 37'. The plurality of electric wires 13 are fastened and fixed by the binding band 40 on the inner surface 35b side of the electric wire fixing portion 35 having an inverted U-shaped cross section.

  As shown in FIGS. 13A and 13B, in order to prevent the band gun 45 from interfering with the connector 10 with cover when the plurality of electric wires 13 are tightened with the binding band 40 by the band gun 45. The band gun 45 can be used from either the left or right position with respect to the connector 10 with cover. That is, a pair of band insertion holes 37, 37 and 37 ', 37' through which the binding band 40 is inserted are formed in the wire fixing portion 35 of the cover 30. As a result, the binding band 40 can be easily wound around the outer surface 35a of the electric wire fixing portion 35 having an inverted U-shaped cross section in an oblique direction with respect to the direction in which the electric wire 13 is led out, and the electric wire fixing having an inverted U-shaped cross section is possible. The degree of adhesion between the inner surface 35b of the portion 35 and the electric wire 13 can be increased, and the electric wire can be reliably prevented from coming off from the inner surface 35b of the electric wire fixing portion 35.

  As described above, when the plurality of wires 13 are fixed to the wire fixing portion 35 of the cover 30 with the slanting binding band 40, the pair of wire holding protrusions 38 integrally formed on the inner surface 35 b of the wire fixing portion 35. , 38, and the concave and convex portions 38a and 38b and the plurality of electric wires 13 of the protruding portions 38 of the electric wire fixing portion 35 by causing the covering insulation portions of the plural electric wires 13 to bite into the concave portions 38a and the convex portions 38b of the electric wire fixing portion 35. The degree of close contact (contact area) between the wires can be increased, and the disconnection of the wires from the inner surface 35b of the wire fixing portion 35 can be more reliably prevented.

  Even if the pulling force of the electric wires 13 acts in the direction in which the plural electric wires 13 are led out, the concave portions, the convex portions 38 a and 38 b of the electric wire holding projections 38 of the electric wire fixing portion 35 and the plural electric wires 13. Since the pressing force acts in a concentrated manner in the point contact area with the covering insulation portion, it is possible to reliably prevent the wire from coming off from the inner surface 35b of the wire fixing portion 35.

  In addition, according to the said embodiment, although the case where the some electric wire 13 was directly fixed to the electric wire fixing | fixed part 35 of the cover 30 with the binding band 40 was shown, as shown in FIG. You may fix through the binding band 40 in the state inserted in 15. When fixing the corrugated tube 15 in which the plurality of wires 13 are inserted into the wire fixing portion 35 of the cover 30 with the slanting binding band 40, the pair of wire holding members integrally formed on the inner surface 35b of the wire fixing portion 35 is provided. The groove portions 15a of the corrugated tube 15 in which the plurality of electric wires 13 are inserted into the concave portions 38a and the convex portions 38b of the protrusion portions 38 and 38 are bitten by a plurality of point contacts, and the concave portions of the protrusion portions 38 of the electric wire fixing portion 35 are recessed. The degree of adhesion (contact area) between the grooves 15a of the corrugated tube 15 through which the convex portions 38a, 38b and the plurality of electric wires 13 are inserted can be increased, and the wire can be more reliably removed from the inner surface 35b of the electric wire fixing portion 35. Can be prevented.

It is the perspective view which looked at the connector with a cover of one embodiment of the present invention from the cover side. It is a perspective view in the state where a cover was removed from the above-mentioned connector with a cover. It is a perspective view of the said cover. It is a bottom view of the cover. (A) is a fragmentary perspective view which shows the electric wire fixing part of the said cover, (b) is an expansion perspective view of the principal part of the electric wire fixing part. It is a perspective view which shows the state which attached the cover to the said connector with a cover. It is a fragmentary perspective view which shows the state before mounting | wearing with the locking lock plate of the said cover. It is a fragmentary perspective view which shows the state which mounted | wore with the said lock stopper plate. It is a fragmentary sectional view which shows the state which fixed the electric wire with the binding band to the electric wire fixing part of the said cover. It is the fragmentary perspective view which looked at the state which fixed the electric wire with the binding band to the electric wire fixing part of the said cover from the back side. It is an expansion explanatory view of the above-mentioned lock stopper plate. It is a perspective view of the said binding band. (A) is an operation explanatory view of fixing a wire by passing a binding band through a pair of band through holes on one side of the wire fixing portion of the cover, and (b) is a pair of wires on the other side of the wire fixing portion. It is operation | work explanatory drawing which makes a band pass through a band through-hole, and fixes an electric wire. It is a fragmentary sectional view which shows the state which fixed the corrugated tube which made the electric wire fixed part of the said cover penetrate the electric wire with the binding band. It is a side view of the conventional connector with a cover.

Explanation of symbols

10 Connector with Cover 11 Connector Housing 13 Electric Wire 13a One End (End)
DESCRIPTION OF SYMBOLS 15 Corrugated tube 15a Groove part 30 Cover 31 Cover main body 31a, 31a Both side part 31c, 31c A pair of engagement recessed part (engagement part)
32 Hinge part 33 Unlocking lock plate 33b, 33b A pair of hook parts (locking parts)
33c Rib for press-fit 34 Electric wire outlet 35 Electric wire fixing part 37, 37 A pair of band insertion holes 37 ', 37' A pair of band insertion holes 40 Binding band

Claims (3)

A connector housing for accommodating a terminal connected to an end of the electric wire; and a cover attached to the connector housing and guiding the electric wire drawn out from the connector housing to the outside while guiding the electric wire. In the connector with cover, in which a wire fixing portion for fastening and fixing the electric wire with a binding band is provided at the electric wire outlet port that leads the outside to the outside, and a band insertion hole for inserting the binding band into the electric wire fixing portion is formed.
The binding band is wound around the wire fixing portion in an oblique direction with respect to the lead-out direction of the electric wire, and the electric wire is tightened and fixed to the wire fixing portion with the binding band. Connector with cover. The connector with a cover according to claim 1,
The band insertion holes are formed in pairs so as to be oblique and parallel to the lead-out direction of the electric wire so that the binding band can be wound around the electric wire fixing portion in a slanted manner. By winding the binding band through a pair of band insertion holes on one side of the pair of band insertion holes, the binding band is wound in an oblique direction with respect to the lead-out direction of the wire, and the inside of the wire fixing portion A connector with a cover, wherein the wire is fastened and fixed by the binding band. The connector with a cover according to claim 1,
The cover body of the cover is formed in a box shape that is open on the connector housing side and the wire outlet side, and an opening locking plate is integrally formed on one side part of both sides of the cover body via a hinge part, A pair of locking portions that are locked to a pair of engaging portions formed on both side portions of the cover main body are formed on both sides of the locking stopper plate, and a press-fitting rib is formed on each locking portion. A connector with a cover.

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