CN112563811B - Connector cover - Google Patents

Abstract

A connector cover eliminates interference of a cut end (cut projection) of a remaining length portion of a binding tape with an external member. A part of the peripheral wall (12 a) of the lower cover (10) is provided with a wire fixing wall (15), and the lower side thereof is provided with a through hole (17). A head (51) of the binding tape is held by a head holding portion (18) at the upper edge of a peripheral wall (12 a) of a lower cover (10), and the front end of the tape (52) passes through a tape through hole (17) and then is locked to the head (51) via the outer periphery of a wire fixing wall. Thereby, the electric wire is bundled together with the electric wire fixing wall. The upper cover is provided with a groove part (28), and when the upper cover and the lower cover are combined, the head part (51) of the binding tape and the cutting projection part (55) of the tape projecting from the head part are accommodated in the groove part (28) in a state that the cutting projection part can be seen from the outside.

Description

Connector cover

technical field

The present invention relates to a connector cover installed on the rear of a connector housing to guide electric wires drawn out from the connector housing to the rear.

Background technique

As such a connector cover, in Patent Document 1, it is disclosed that a wire fixing wall is provided on a part of the peripheral wall of the wire passage through which the wires are pulled out, and that the wires and the A structure in which the wires are fixed to the wall and fastened together with a strapping tape.

prior art literature

patent documents

Patent Document 1: Japanese Utility Model Publication No. 63-187282

However, when the remaining length of the strapping was cut after bundling, it was found that the cut end protruded to the outside of the connector cover, and the outer parts might be damaged due to interference with the outer parts.

Contents of the invention

The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a connector cover that eliminates interference with external components caused by the cut end (cut protrusion) of the remaining length portion of the strap.

In order to achieve the above objects, the connector cover of the present invention has the following features (1) to (2).

(1) The connector cover is installed at the rear of the connector housing, so that a plurality of electric wires led out from the connector housing to the rear are guided to the outside through the wire passage surrounded by the cylindrical peripheral wall, wherein:

two cover parts, which, by being combined with each other, constitute said cylindrical peripheral wall in a closed state;

an electric wire fixing wall provided adjacent to one side edge in the circumferential direction of the peripheral wall of one of the two cover members, and fixing the electric wire passing through the electric wire passage;

a through hole provided on the peripheral wall of the one cover member at a position adjacent to the wire fixing wall;

A binding belt, which is provided at the base end of the belt with a head that locks the belt by inserting the front end side of the looped belt, passing the wire through the belt through hole and then passing the front end side of the belt fixing the outer periphery of the wall to lock the head, thereby fastening the electric wires fixed to the electric wire fixing wall together with the electric wire fixing wall to bundle the electric wires;

A head holding portion for holding the head of the binding band is provided on one edge in the circumferential direction of the peripheral wall of the one cover member;

The groove portion is provided on the other cover member among the two cover members, and when the two cover members are combined, the head of the binding strap protrudes from the head and cuts the strap. The cutting protrusion after the remaining length portion is housed in a state in which the cutting protrusion can be seen from the outside.

(2) The connector cover according to (1) above, wherein the one cover member is a lower cover, and the other cover member covers the upper side of the lower cover to seal the electric wires. access hood,

The lower cover is provided with a U-shaped peripheral wall for forming most of the cross-section of the electric wire passage,

The head holding portion is provided on one side edge in the circumferential direction of the peripheral wall having a U-shaped cross section, that is, an upper edge portion on one side,

The upper cover and the lower cover are provided with a locking part for coupling the upper cover and the lower cover by engaging with each other when combined, and an engaging part for fixing to the connector housing.

According to the connector cover of the above-mentioned (1) structure, when assembling the counterpart cover member, the cutting protruding part of the remaining length portion of the strapping after binding can be accommodated in the groove, so that the external parts caused by the cutting protruding part can be eliminated. interference problem. Moreover, since the cutting protrusion accommodated in the groove part can be seen from the outside, it can be easily confirmed whether cutting|disconnection is proper after assembly.

According to the connector cover of the above (2) configuration, the electric wires can be bundled while being pressed into the electric wire fixing wall while passing the electric wires inside the U-shaped cross-sectional peripheral wall of the lower cover. That is, on the inner side of the peripheral wall having a U-shaped cross section, there is no problem that the electric wires fall off, and the electric wires can be bundled with ease, thereby facilitating the work. In addition, when bundling, the front end side of the strap can be passed through the strap through hole and pass through the outer periphery of the wire fixing wall while the head of the strap is held on the upper edge portion (head holding portion) of the peripheral wall having a U-shaped cross section. Since it is locked with the head, the remaining length of the belt can be easily cut from the upper side, thereby ensuring good workability. In addition, only by covering the upper cover on the lower cover after bundling, the cutting protrusion of the remaining length of the strap can be accommodated in the groove of the upper cover, thereby reliably preventing interference with external components.

According to the connector cover of the present invention, when the mating side cover member is assembled, the cutting protruding portion of the remaining length portion of the bundled binding band can be accommodated in the groove portion. Therefore, it is possible to eliminate the problem of interference with external components caused by cutting the protruding portion. In addition, since the cutting protrusion accommodated in the groove is visible from the outside, it is possible to easily check whether the cutting is done properly after assembly.

The present invention has been briefly described above. Furthermore, the details of the present invention will be clarified by reading through modes for implementing the invention described below (hereinafter referred to as "embodiment") with reference to the drawings.

Description of drawings

Fig. 1 is an explanatory view of a connector cover according to an embodiment of the present invention, Fig. 1(a) is a perspective view showing the appearance of the state installed on the connector housing, and Fig. 1(b) is a diagram of Fig. 1(a) The A direction view shown in Fig. 1, (c) of Fig. 1 is the B-B direction sectional view shown in Fig. 1 (a).

Fig. 2 is an explanatory view of the connector cover according to the embodiment of the present invention, Fig. 2(a) is an external perspective view showing the state before the upper cover is assembled to the lower cover, Fig. 2(b) is Fig. 2(a) The B-B arrow cross-sectional view is a cross-sectional view showing the situation where the remaining length of the tape is cut with a tape cutter after being bundled by a strapping tape; (c) of Figure 2 is a cross-sectional view showing a situation where the cutting protrusion protrudes upwards .

Fig. 3 is an explanatory view of the connector cover according to the embodiment of the present invention, Fig. 3(a) is an external perspective view showing the state where the upper cover is assembled to the lower cover, and Fig. 3(b) is Fig. 3(a) The B-B direction shown is the sectional view.

Explanation of reference signs

1: Connector housing

2: Connector cover

10: Lower cover (one cover part)

12A: Wire access

12a: Surrounding wall with U-shaped cross section

13: Engagement part

14: Locking part

15: wire fixing wall

17: With through hole

18: Head holding part

20: Upper cover (the other cover part)

23: Engagement part

24: Locking Department

28: Groove

50: strapping

51: head

52: belt

55: Cut off the protrusion

W: wire

Detailed ways

Specific embodiments of the present invention will be described below with reference to the accompanying drawings.

1 to 3 are explanatory views of a connector cover according to an embodiment of the present invention. Fig. 1(a) is a perspective view showing the appearance of the state installed on the connector housing, Fig. 1(b) is a view from the direction A described in Fig. 1(a), Fig. 1(c) is Fig. 1 B-B arrow sectional view shown in (a). (a) of Fig. 2 is an appearance perspective view showing the state before the upper cover is assembled to the lower cover, and (b) of Fig. 2 is a cross-sectional view taken along the direction B-B shown in (a) of Fig. 2 (c) is a cross-sectional view showing a state in which the cutting protrusion protrudes upward. In addition, FIG. 3( a ) is an external perspective view showing the state in which the upper cover is assembled to the lower cover, and FIG. 3( b ) is a cross-sectional view taken along the arrow B-B shown in FIG. 3( a ).

As shown in FIGS. 1 to 3 , the connector cover 2 of this embodiment is detachably mounted on the rear of the connector housing 1 , so that a plurality of electric wires W drawn out from the connector housing 1 to the rear pass through the barrel. The wire path 12A surrounded by the shape surrounding wall leads to the outside.

A plurality of connector terminals are accommodated in the connector housing 1 , and electric wires W connected to the respective terminals are drawn out from the rear portion of the connector housing 1 in a dispersed manner. The connector cover 2 functions to bundle the plurality of electric wires W drawn out from the connector housing 1 in a bundle and lead them out to the outside of the connector housing 1 .

This connector cover 2 has: a lower cover 10 forming a cylindrical peripheral wall in a closed state by being combined up and down with each other; an upper cover 20 covering the lower cover 10 to close the electric wire path 12A; .

The lower cover 10 has a narrow portion 11 formed in a shape whose inner cross-section gradually narrows from the open front end toward the rear end. The narrow part 11 is attached to the connector housing 1 by engaging the engaging part 13 at the front end with the connector housing 1, and bundles the wires W dispersedly drawn out from the rear end of the connector housing 1 while bending them. Guided backwards in bunches. On the rear side of the narrow portion 11, a U-shaped cylindrical portion 12 having a substantially constant cross-sectional shape is integrally provided. The U-shaped cylindrical portion 12 has a peripheral wall 12a having a U-shaped cross section for forming most of the cross section of the electric wire passage 12A.

On the lower side of one side of the peripheral wall 12 a in the U-shaped section 12 in the circumferential direction, that is, one side of the upper edge, an electric wire W adjacent to the upper edge and passing through the electric wire passage 12A is collected and fixed. The wires are fixed to the wall 15. The wire fixing wall 15 is formed in a concave wall shape for easily collecting and fixing the wires W according to the shape change from the upper edge portion to the lower end portion of the peripheral wall 12a. In addition, at a position adjacent to the wire fixing wall 15 , a belt through hole 17 is provided in the peripheral wall 12 a at the position opposite to the upper edge (that is, at the lower end side). This belt passing hole 17 is a hole for passing the front end side of the belt 52 of the binding belt 50 from the inner side to the outer side of the peripheral wall 12 a.

In addition, the outer peripheral surface of the peripheral wall 12a of the U-shaped cylindrical part 12 is provided with a belt positioning groove 16 along the circumferential direction, so as to guide the belt 52 passing through the belt through hole 17 along the axial direction (wire W) on the outer surface of the peripheral wall 12a. extension direction) positioning.

The binding band 50 is composed of a resin integrally molded product, and has a flexible band plate-shaped band 52 and a head 51 . One side of the belt plate-shaped belt 52 has a zigzag engagement tooth row (not shown). The head portion 51 is integrally provided at the base end of the belt 52, and has an insertion hole (not shown) into which the front end side of the belt 52 wound in a loop can be inserted, and also has an insertion hole (not shown) through which a An engaging pawl (not shown) that is engaged with any tooth of the engaging tooth row of the belt 52 inserted into the insertion hole to prevent movement of the belt 52 in the return direction. When using this binding band 50 , the front end side of the band 52 is inserted into the insertion hole of the head part 51 . In this way, the belt 52 can be fixed with a ring of an appropriate size by engaging any tooth of the engaging tooth row with the engaging claw.

A head holding portion 18 for holding the head 51 of the binding band 50 is provided on one edge in the circumferential direction of the U-shaped cross-sectional U-shaped peripheral wall 12 a of the U-shaped cylindrical portion 12 , that is, the upper edge on one side. With the head 51 held in the head holding portion 18 of the lower cover 10 , the binding band 50 passes the leading end side of the band 52 facing downward over the bundle of the electric wires W through the band through hole 17 . Then, by locking the front end of the band 52 with the head 51 via the outer periphery of the wire fixing wall 15 , the wires W fixed in the wire fixing wall 15 can be fastened together with the wire fixing wall 15 to bundle the wires W.

The peripheral wall 22 of the upper cover 20 has a size to cover the opening on the upper surface of the lower cover 10 and is formed in a slightly convex upwardly curved cross-sectional shape. Locking parts 24 are provided at both ends of the peripheral wall 22 of the upper cover 20 in the circumferential direction. Combined with the lower cover 10. In addition, an engaging portion 23 for engaging with the connector housing 1 is provided at the front end of the upper cover 20 .

Moreover, on the side edge portion of the upper cover 20, when the upper cover 20 and the lower cover 10 are combined, a groove portion 28 is provided at a position opposite to the head holding portion 18 of the lower cover 10, and the groove portion 28 will be on the lower cover 10 side. The head 51 of the binding tape 50 for binding the electric wires W and the cutting protrusion 55 protruding from the head 51 to cut off the remaining length of the tape are housed in a state where the cutting protrusion 55 is visible from the outside. This groove portion 28 is ensured between the pair of ribs 26 , 27 .

Next, the function will be described.

When using this connector cover 2, first, as shown in FIG. Then, the head 51 of the binding band 50 is held in the head holding portion 18 of the lower cover 10 , and in this state, the leading end side of the band 52 facing downward passes over the wire harness of the electric wire W and passes through the band through hole 17 . Then, the front end side of the band 52 is engaged with the head 51 via the outer periphery of the wire fixing wall 15 . Thereby, the electric wires W fixed in the electric wire fixing wall 15 can be fastened together with the electric wire fixing wall 15, and the electric wires W can be bundled.

After strapping, the remaining length of strap 52 is cut with a strap cutter. After cutting, the cut end protrudes upward from the head 51 (cutting protrusion 55).

Next, as shown in FIG. 3 , the upper cover 20 and the lower cover 10 are assembled. That is, the upper cover 20 is positioned and covered on the lower cover 10 , the engaging portion 23 is engaged with the connector housing 1 , and the locking portion 24 is locked with the locking portion 14 on the lower cover 10 side.

In this way, as shown in FIG. 1 , the cutting protruding portion 55 of the strap 52 of the binding strap 50 on the lower cover 10 side is accommodated in the groove portion 28 of the upper cover 20 . Furthermore, since the groove portion 28 is opened outward, the cutting protrusion 55 of the belt 52 is visible from the outside.

As described above, according to the connector cover 2 of the present embodiment, when the upper cover 20 is assembled, the cutting protrusion 55 of the remaining length portion of the binding band 50 on the side of the lower cover 10 can be accommodated in the groove 28 . Therefore, the problem of interference with external parts caused by cutting the protruding portion 55 can be eliminated. In addition, since the cutting protrusion 55 housed in the groove portion 28 is visible from the outside, it is possible to easily confirm whether the cutting is done properly after assembly.

In addition, according to the connector cover 2 of this embodiment, the electric wires W can be bundled while being collected and pressed into the electric wire fixing wall 15 while passing the electric wires W inside the U-shaped cross-sectional peripheral wall 12 a of the lower cover 10 . That is, inside the peripheral wall 12a having a U-shaped cross section, the electric wires W do not fall off, and the electric wires W can be easily bundled, thereby facilitating the work.

In addition, when binding, in the state where the head 51 of the binding band 50 is held on the upper edge portion (head holding portion 18) of the peripheral wall 12a having a U-shaped cross section, the front end side of the band 52 is passed through the band through hole 17 and Since the head portion 51 is locked via the outer periphery of the wire fixing wall 15, the remaining length portion of the tape 52 can be easily cut from above, and good workability can be ensured. In addition, only by covering the upper cover 20 on the lower cover 10 after bundling, the cutting protrusion 55 of the remaining length of the strapping 50 can be accommodated in the groove of the upper cover 20 and hidden, so that it can be reliably prevented from being exposed to the outside. component interference.

Here, the features of the connector cover according to the embodiment of the present invention are briefly summarized and described in the following (1) to (2).

[1] The connector cover (2) is installed at the rear of the connector housing (1), so that the multiple wires (W) drawn out from the connector housing (1) to the rear pass through the wall surrounded by the cylindrical surrounding wall. The wire path (12A) leads to the outside, wherein the connector cover (2) has:

two cover parts (10, 20), which are combined with each other to form the above-mentioned cylindrical peripheral wall in a closed state;

An electric wire fixing wall (15), which is adjacent to one side edge in the circumferential direction of the peripheral wall of one of the two above-mentioned cover members (10, 20), and fixes the electric wire passing through the above-mentioned electric wire passage (12A);

a through hole (17) provided on the peripheral wall (12a) of the one cover member at a position adjacent to the wire fixing wall (15);

A binding band (50), which is provided with a head (51) that locks the band (52) by inserting the front end side of the band (52) rolled into an endless shape at the base end of the band (52), by making the band (52) The front end side of the belt (52) passes through the belt through hole (17) and is locked with the head (51) via the outer circumference of the wire fixing wall (15), so as to be fixed to the wire fixing wall The wires (W) of (15) are fastened together with the wire fixing wall (15), and the wires (W) are bundled;

a head holding part (18), which is used to hold the head (51) of the binding band (50) and is provided on one edge in the circumferential direction of the peripheral wall (12a) of the one cover member (10);

A groove portion (28) provided on the other cover member (20) of the two cover members (10, 20) to bind the bundle when combining the two cover members (10, 20). The head (51) of the belt (50), and the cutting protrusion (55) protruding from the head (51) and cutting off the remaining length of the belt, so that the cutting protrusion (55) can be seen from the outside ) state storage.

[2] In the connector cover (2) described in the above [1], the one cover member is a lower cover (10), and the other cover member is formed by covering the lower cover (10) The upper side of the upper side and close the upper cover (20) of the wire passage (12A),

The lower cover (10) is provided with a U-shaped peripheral wall (12a) for forming most of the cross section of the electric wire passage (12A),

The head holding part (18) is provided on one edge in the circumferential direction of the peripheral wall (12a) having a U-shaped cross-section, that is, the upper edge of one side,

The upper cover (20) and the lower cover (10) are provided with locking parts (14, 24) that engage the upper cover (20) and the lower cover (10) when combined with each other. , and an engaging portion (13, 23) for fixing to the connector housing (1).

Claims (2)

1. A connector cover which is attached to a rear portion of a connector housing and guides a plurality of wires drawn out rearward from the connector housing to the outside through a wire passage surrounded by a cylindrical peripheral wall, the connector cover comprising:

two cover members which are combined with each other to form the cylindrical peripheral wall in a closed state;

a wire fixing wall which is provided adjacent to one circumferential side edge of the circumferential wall of one of the two cover members and fixes the wire passing through the wire passage;

a through hole provided in a peripheral wall of the one cover member at a position adjacent to the wire fixing wall;

a binding band having a head portion at a base end of the band, the head portion being configured to engage the band by inserting a distal end side of the band wound in a loop shape, the head portion being configured to engage the distal end side of the band with the outer periphery of the wire fixing wall after the distal end side of the band passes through the band through hole, and thereby the electric wire fixed to the wire fixing wall is fastened together with the wire fixing wall and the electric wire is bound;

a head holding portion provided on one circumferential side edge of the circumferential wall of the one cover member for holding the head of the binding tape;

a groove portion provided in the other of the two cover members, for accommodating a head portion of the binding tape and a cutting protrusion portion protruding from the head portion and cutting an excess length portion of the tape in a state in which the cutting protrusion portion is visible from outside when the two cover members are combined,

the cutting projection projects from the head portion in the combined direction of the two cover members,

the groove portion penetrates in the combination direction.

2. The connector shield as recited in claim 1,

the one cover member is a lower cover, the other cover member is an upper cover which closes the electric wire passage by covering the upper side of the lower cover,

the lower cover is provided with a peripheral wall having a U-shaped cross section for forming most of the cross section of the wire passage,

the head holding part is arranged on one side edge in the circumferential direction of the peripheral wall with the U-shaped section, namely the upper edge part on one side,

the upper cover and the lower cover are provided with: a locking part for combining the upper cover and the lower cover by mutual combination and engagement, and an engagement part for fixing to the connector housing.

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