JP6479524B2 - Grommet and mounting member with grommet - Google Patents

Description

  The present invention relates to, for example, a grommet that covers a connection portion between an inverter and a wire harness of a hybrid vehicle and prevents moisture from entering from the outside, and a mounting member with a grommet.

  In addition to conventional vehicles powered by an internal combustion engine, vehicles such as hybrid vehicles powered by an internal combustion engine and an electric motor, and electric vehicles powered by an electric motor are increasing.

  In such a vehicle, since a battery, an inverter, and the like for driving the electric motor are mounted outside the vehicle compartment, for example, the connection point between the inverter and the wire harness is often located outside the vehicle compartment.

  Further, in a vehicle such as a hybrid vehicle, the voltage supplied to the electric motor is set higher than the voltage supplied to the electric device such as audio. For this reason, for example, a high water-stopping property that prevents moisture from entering from the outside is required at the connection point between the inverter and the wire harness.

  As a prior art corresponding to such a request, for example, Patent Document 1 describes a grommet-equipped mounting member that covers a connection portion between an inverter-side connector provided in an inverter and a harness-side connector of a wire harness.

  The attachment member with grommet is attached to the outer surface of the harness-side connector, and is attached to the shield shell by a binding band, which is fastened to the boss portion of the inverter, and the harness-side connector, It consists of a grommet that integrally covers three electric wires.

  In addition, a seal lip that contacts the shield shell is formed on the inner peripheral surface of the grommet corresponding to the binding band mounting position, and a seal ring that contacts the inner peripheral surface of the inverter-side connector is provided at the tip of the harness-side connector. ing.

  Thereby, patent document 1 can ensure the water stop in the connection location of an inverter side connector and a harness side connector, and even if the high pressure washing water used when wash | cleaning a vehicle is sprayed, the water | moisture content to a connection location It is supposed to prevent intrusion.

  By the way, since the life of the battery and the inverter is shorter than the life of the vehicle body and driving parts of the vehicle, the battery and the inverter must be replaced before the vehicle body and the driving parts reach the life in the vehicle such as a hybrid vehicle. Sometimes.

  For this reason, in a vehicle such as a hybrid vehicle, for example, the connecting part between the inverter and the wire harness should not only prevent moisture from entering the mounting member with grommet but also be easily disassembled and assembled. Is newly demanded.

JP 2014-60844 A

  In view of the above-described problems, an object of the present invention is to provide a grommet and a mounting member with a grommet that can ensure both waterproofness between the mounting member and disassembling and assembling with respect to the mounting member.

In the present invention, the connection terminal to which the wire harness is connected is disposed inside, and is attached to the vicinity of the distal end of the mounting member having the distal end at a position spaced from the predetermined mounting surface by a predetermined distance. An elastic grommet that integrally surrounds the connector and the covered electric wire, wherein the grommet is arranged along a substantially cylindrical electric wire enclosing portion that surrounds the covered electric wire, and an axial direction of the electric wire surrounding portion. An extension that extends from the wire surrounding portion and has an inner diameter in which the mounting member can be fitted, and a substantially cylindrical connector surrounding portion that surrounds the connector, and the connector surrounding portion includes the mounting member. A mounting member side end facing the flange portion erected from the outer peripheral surface, and a band mounting portion that enables the binding band to be wound around the outer peripheral surface of the mounting member side end, and the band mounting portion And an attachment member side wall portion formed along the circumferential direction of the connector surrounding portion, and formed in the attachment member side wall portion by cutting out along the axial direction. The connector surrounding portion is formed in a substantially oval cylindrical body, and the notch is formed in a curved portion in the substantially oval shape .

  The wire harness may be a wire harness composed of a single covered electric wire and a connector attached to the tip of the covered electric wire, or a wire harness in which a plurality of covered electric wires are bundled and a connector is attached to the tip of the covered electric wire. it can.

  The phrase “separated from the predetermined mounting surface by a predetermined distance” means that the grommet is adjacent to or spaced from the predetermined mounting surface. Alternatively, it means that a predetermined tool for cutting the binding band can be inserted.

  The attachment member may be an attachment member configured separately from a predetermined attachment surface, or an attachment member integrally formed on the predetermined attachment surface. Furthermore, the attachment member can have a structure in which the connection terminals are arranged inside in a state of being attached to a predetermined attachment surface, or a structure in which the connection terminals are arranged in advance inside.

According to the present invention, it is possible to ensure both waterproofness with the mounting member and disassembly and assembly with respect to the mounting member.
Specifically, since the attachment member side wall portion in the band mounting portion is cut out, the cutout portion can partially reduce the rigidity of the attachment member side end portion.

For this reason, a notch part can make the internal diameter of a connector surrounding part easy to expand, and can make attachment to an attachment member easy.
Further, for example, by forming the notch portion at a position where the binding band can be easily wound, the notch portion can function as a positioning means when the binding band is wound around the band mounting portion.

  Alternatively, for example, by setting the position of the band mounting portion provided with the notch portion as the position of the lock portion for fixing the band of the binding band, the notch portion is a binding band having a different length of the lock portion in the axial direction. Can be easily wound.

  On the other hand, when removing the binding band wound around the grommet, the notch can function as an insertion port for inserting a predetermined tool for cutting the binding band into the binding band.

  Specifically, in the state where it is mounted on a predetermined mounting surface via the mounting member, it is arranged at a position spaced apart from the predetermined mounting surface in the axial direction, so that the notch portion inserts the predetermined tool from the axial direction. Can be easily.

  At this time, for example, by winding the binding band so that the notch portion and the lock portion face each other, the notch portion is a predetermined tool for the gap between the lock portion vicinity and the band mounting portion due to the overlapping of the bands. Insertion can be made easier. Thereby, when cutting a binding band with a predetermined tool, it is possible to prevent the grommet from being damaged by the predetermined tool.

  Then, in a state where the binding band is wound around the band mounting portion, the inner peripheral surface of the connector surrounding portion corresponding to the band mounting portion can abut on the vicinity of the tip of the mounting member without a gap.

  At this time, since the band mounting portion is formed at the mounting member side end portion where the flange portion of the mounting member is close, the band mounting portion may, for example, turn up the mounting member side end portion by high-pressure washing water. It can be suppressed by cooperating with.

Furthermore, by the cooperation with the binding band and the flange portion of the attachment member, the band mounting portion can suppress the high-pressure cleaning water from entering the connector surrounding portion.
Accordingly, the grommet has a water-stopping property between the mounting member and a disassembling / assembling function with respect to the mounting member due to the band mounting portion formed at the end of the mounting member and the notch formed in the wall portion of the band mounting portion. It is possible to ensure both.

Moreover , the grommet can aim at the improvement of the disassembly-assembly property with respect to an attachment member, without reducing the water stop property between attachment members.
Specifically, by forming a notch in the curved portion of the substantially oval-shaped connector surrounding portion, the grommet has a notch compared to the case where the notch is formed in a substantially oval-shaped linear portion. The position of the part can be easily specified.

  As a result, when the binding band is wound, the grommet can easily arrange, for example, a lock portion where a gap is easily formed between the grommet and the band mounting portion in a substantially elliptical curved portion. At this time, the binding band does not have a substantially oval shape along the band mounting portion, but is easily wound around an egg shape.

  For this reason, the binding band is characterized in that the load for tightening the linear portion is low while the load for tightening the curved portion having a substantially oval shape in the connector surrounding portion is high.

  Therefore, in a state where the binding band is wound around the grommet, the pressing load at which the band mounting portion presses the mounting member is higher in the curved portion than the pressing load in the substantially elliptical straight portion. Easy to be.

  Therefore, by forming a notch in the curved part of the substantially oval-shaped connector surrounding part, the grommet can be turned up at the end of the attachment member near the notch where the rigidity tends to be low. It can be reliably suppressed by cooperation. Thereby, even if it is a case where high-pressure washing water is sprayed, for example, the grommet can suppress the penetration | invasion of the water | moisture content to the inside of a connector surrounding part more reliably.

  Therefore, the grommet reduces the water-stopping property with the mounting member by forming a notch in the curved portion of the substantially oblong connector surrounding portion.

Further, as an aspect of the present invention, the connector enclosing portion includes an extending portion that extends toward the mounting member side and that is attached to a concave groove formed in the mounting member at the end portion on the mounting member side. Can do.
Further, the present invention provides a connection terminal to which a wire harness is connected, and is attached to the vicinity of the tip of an attachment member having a tip at a position spaced from a predetermined attachment surface by a predetermined distance. A grommet that integrally surrounds the connector and the covered electric wire, the grommet including a substantially cylindrical electric wire enclosing portion that surrounds the covered electric wire, and an axial direction of the electric wire enclosing portion, The connector surrounding portion extends from the wire surrounding portion and has an inner diameter in which the mounting member can be fitted, and surrounds the connector, and the mounting member is connected to the connector surrounding portion. A band mounting portion that includes a mounting member side end facing the flange portion erected from the outer peripheral surface of the mounting member, and enables the binding band to be wound around the outer peripheral surface of the mounting member side end, and the band mounting portion As well as adjacent the mounting member side against, and a mounting member side wall portion formed along the circumferential direction of the connector surrounding portion, the member side wall with said mounting,
A notch portion formed by cutting out along the axial direction, extending toward the mounting member side at the mounting member side end of the connector surrounding portion, and a concave groove formed in the mounting member It is characterized by having an extending portion to be mounted on.

According to the present invention, the grommet can further improve the disassembling and assembling properties with respect to the mounting member without impairing the water-stopping property.
Specifically, when the grommet is attached to the attachment member or when the grommet is removed from the attachment member, the extension portion can function as a handle held by the operator.

For example, when the diameter of a substantially oval-shaped connector surrounding portion is increased, the diameter of the linear portion is easier to expand than the approximately oval-shaped curved portion. For this reason, for example, when the extending portion is formed in the straight portion of the substantially oval-shaped connector surrounding portion, the extending portion can easily expand the diameter of the substantially oval-shaped connector enclosing portion.
Furthermore, since it is mounted in the recessed groove portion of the attachment member, the extending portion can function as a grommet positioning means for the attachment member.

  However, the rigidity of the vicinity of the base of the extended portion, which is the base portion of the connector surrounding portion, is likely to be higher than that of the periphery thereof, and thus there is a risk of reducing the pressing load that the band mounting portion presses the mounting member. .

  For this reason, for example, when a notch part and an extension part are formed in the curved part in the substantially oval-shaped connector surrounding part, there exists a possibility that the water stop in the notch part vicinity may fall. Therefore, when the connector encircling part has a substantially oval shape, the grommet ensures that the band mounting part presses the mounting member in cooperation with the binding band by forming the extending part in the substantially oval linear part. can do.

  Therefore, since the grommet is provided with the extending portion, it is possible to further improve the disassembling and assembling properties with respect to the mounting member without impairing the water blocking performance.

Moreover, as an aspect of the present invention, the notch can be formed at a position facing a portion inside the outer peripheral edge of the flange portion of the mounting member.

According to the present invention, in the radial direction of the electric wire surrounding portion, the notch portion is positioned on the inner side in the radial direction with respect to the edge of the flange portion. For example, when the high pressure cleaning water is sprayed on the grommet, The flange portion of the member makes it difficult for high-pressure cleaning water to reach the inside of the connector surrounding portion. Thereby, the grommet can prevent high-pressure washing water from being directly sprayed on the vicinity of the notch portion where the rigidity tends to be low.

  As an aspect of the present invention, the connector surrounding portion corresponding to the band mounting portion includes at least two lip portions that project from the inner peripheral surface and extend along the circumferential direction. be able to.

According to the present invention, the grommet can secure the water stoppage between the grommet more stably.
Specifically, since the contact area with the mounting member is small, the lip portion presses the mounting member with a higher pressing load than the pressing load when the mounting member is pressed with the inner peripheral surface of the connector surrounding portion. be able to.

Furthermore, since at least two lip portions are provided, the grommet can bring the lip portion into contact with the attachment member even when the winding position of the binding band varies in the axial direction.
Therefore, since the grommet is provided with the two lip portions, the water stoppage between the grommet and the mounting member can be more stably ensured.

  Moreover, as an aspect of the present invention, the band mounting portion is formed on the side of the wire surrounding portion from the mounting member side wall portion, along the circumferential direction of the connector surrounding portion, and the mounting member side wall portion, The axial length of the band mounting portion is defined as a mounting portion groove width, and the axial length of the binding band is defined as a band width. From the mounting portion groove width to the band A length obtained by subtracting the width is defined as a gap length, and the mounting portion groove width of the band mounting portion is configured to be less than twice the band width, and the lip portion is attached to the band mounting portion. It can form in the inner peripheral surface corresponding to the range of the said band mounting part spaced apart by the said clearance gap length from the member side wall part and the said electric wire side wall part, respectively.

  According to the present invention, the lip portion can be pressed by the binding band even when the binding band is in contact with the attachment member side wall portion of the band mounting portion or when the binding band is in contact with the electric wire side wall portion.

For this reason, even if it is a case where the winding position of the binding band with respect to a band mounting part is biased to an axial direction, the grommet can contact | abut at least 2 lip | rip part more reliably with respect to an attachment member.
Therefore, the grommet can ensure the water stoppage between the mounting member and the grommet more reliably.

  Further, as an aspect of the present invention, the connector surrounding portion has an internal space that can accommodate a lock portion of a binding band that is wound around a mounting member inserted into a substantially tubular braided wire with respect to the mounting member. A bulging portion that bulges outward, the bulging portion facing the notch when viewed from the axial direction, and the wire in the axial direction rather than the band mounting portion. It can be formed at a position on the side of the surrounding portion.

  According to the present invention, the grommet can suppress an uneven weight when attached to the attachment member. Furthermore, for example, when the notch portion is set as the position of the lock portion, since the notch portion and the bulging portion are opposed to each other when viewed from the axial direction, the bulging portion can easily bind the band to the band mounting portion. Inhibiting winding can be prevented.

  Further, according to the present invention, the above-described grommet, a main body portion attached to a predetermined attachment surface, a flange portion facing the connector surrounding portion of the grommet, and a fitting portion fitted to the connector surrounding portion are arranged in this order. It is an attachment member with a grommet comprising a substantially cylindrical attachment member and a binding band wound around the band attachment portion of the grommet.

  According to the present invention, it is possible to ensure both the water stoppage between the grommet and the mounting member and the disassembly and assembling property of the grommet with respect to the mounting member.

  ADVANTAGE OF THE INVENTION By this invention, the grommet which can ensure both the water stop property between attachment members and the disassembly-assembly property with respect to an attachment member, and an attachment member with a grommet can be provided.

The external appearance perspective view which shows the external appearance of the upper front view in a mounting member with a grommet. The external appearance perspective view which shows the external appearance of the downward rear view in a mounting member with a grommet and an inverter side connector. The longitudinal cross-sectional view which shows the cross section of the up-down direction along the front-back direction in a mounting member with a grommet. The disassembled perspective view which shows the decomposition | disassembly state from the upper front view in a mounting member with a grommet. The principal part enlarged view which shows the A section in FIG. The cross-sectional view which shows the cross section of the width direction along the front-back direction in a mounting member with a grommet. CC sectional view taken on the line in FIG. The principal part enlarged view which shows the B section in FIG. The principal part enlarged view which shows the notch part in a side view.

An embodiment of the present invention will be described below with reference to the drawings.
1 shows an external perspective view of the mounting member 3 with grommet as viewed from above, FIG. 2 shows an external perspective view of the mounting member 3 with grommet and the inverter side connector 21 as viewed from below, and FIG. 3 shows the grommet. The longitudinal cross-sectional view along the front-back direction X in the attachment member 3 with an attachment is shown, and FIG. 4 has shown the disassembled perspective view of the upper front view in the attachment member 3 with a grommet.

5 shows an enlarged view of the main part of the A part in FIG. 3, FIG. 6 shows a cross-sectional view along the front-rear direction X of the mounting member 3 with grommet, and FIG. 7 shows CC in FIG. FIG. 8 shows an enlarged view of a main part of a portion B in FIG. 3, and FIG. 9 shows an enlarged view of a main part of a notch 444 in a side view.
In addition, in order to clarify the illustration, the harness side connector 11 is shown by a two-dot chain line in FIG. 4, the illustration of the wire harness 1 is omitted in FIG. 7, and the binding band 6 is shown by a two-dot chain line in FIG. ing.

  Further, in FIG. 1, an arrow X indicates a front-rear direction (hereinafter referred to as “front-rear direction X”), an arrow Y indicates a width direction (hereinafter referred to as “width direction Y”), and an arrow Z indicates a vertical direction. (Hereinafter referred to as “vertical direction Z”). Furthermore, in the front-rear direction X, the connector shell 30 side (left side in FIG. 1) described later is defined as the front, and the wire harness 1 side (right side in FIG. 1) described later is defined as the rear. In addition, the upper side in FIG. 1 is the upper side, and the lower side in FIG. 1 is the lower side.

  Although detailed illustration is omitted in the present embodiment, for example, in a hybrid vehicle, with respect to the attachment member 3 with grommet that covers the connection portion between the wire harness 1 having one end connected to the electric motor and the inverter 2 from FIG. This will be described with reference to FIG.

First, the wire harness 1 in a present Example is connected to the inverter side connector 21 provided in the inverter 2 in the state penetrated to the attachment member 3 with a grommet, as shown in FIGS.
Here, the wire harness 1 and the inverter side connector 21 will be described.

  As shown in FIGS. 1 to 3, the wire harness 1 is connected to a harness-side connector 11 in which two connection terminals (not shown) juxtaposed in the width direction Y are housed and a connection terminal of the harness-side connector 11. It consists of two covered electric wires 12.

  The harness-side connector 11 includes a front portion 11a that fits inside the inverter-side connector 21, and a rear-side portion 11b that fits inside a mounting member 3 with grommet (connector shell 30 of the mounting member 3 with grommet described later). Are integrally formed in this order from the front.

The front part 11a of the harness-side connector 11 has a substantially oblong shape in front view that is long in the width direction Y, and is a seal that comes into contact with the inside of the inverter-side connector 21 in a recessed groove that is recessed along the outer periphery near the tip. A ring 11c is attached.
The rear portion 11b of the harness side connector 11 is formed in a substantially oblong shape in front view that is substantially similar to the front portion 11a.

The covered electric wire 12 in the wire harness 1 having the above-described configuration is a braided wire 4 in which a metal wire is knitted into a substantially cylindrical shape, and the outer peripheral surface thereof is covered.
Further, the two covered electric wires 12 and the braided wire 4 are integrally inserted into the corrugated tube 5 which is a substantially cylindrical body made of a synthetic resin, together with the covered electric wires 13 inserted into a branching portion 42 of a grommet 40 described later. Yes.

  As shown in FIGS. 2 and 3, the cross-sectional shape of the corrugated tube 5 along the front-rear direction X is a cross-sectional unevenness in which a convex part 5 a having a substantially trapezoidal cross section and a concave part 5 b are continuous along the front-rear direction X It is formed in a bellows shape.

  And the front end of the wire harness 1, the braided wire 4, the covered wire | line 13, and the corrugated tube 5 is accommodated in the inside of the grommet 40 mentioned later, and the wire harness 100 with a grommet is comprised (refer FIG. 4).

  On the other hand, as shown in FIGS. 2 and 3, the inverter-side connector 21 includes a connector housing 22 inserted and fixed in an opening hole (not shown) formed in the attachment surface 2a of the inverter 2 with a predetermined size, and a connector. The connection terminal 23 is arranged inside the housing 22.

  The connector housing 22 is integrally formed with a main body portion (not shown) that protrudes rearward from the mounting surface 2a and an insertion portion (not shown) that passes through the opening hole of the mounting surface 2a and protrudes inside the inverter 2. doing.

  The main body portion of the connector housing 22 has a closed cross-sectional shape that is substantially oblong when viewed from the back in the width direction Y and extends in the front-rear direction X, and is large enough to fit the front portion 11a of the harness-side connector 11. It is formed in the substantially cylindrical body which has the inner surface shape.

  The two connection terminals 23 are fixed at a predetermined interval in the width direction Y inside the main body portion of the connector housing 22. The connection terminal 23 is connected to a covered electric wire (not shown) at the insertion portion of the connector housing 22.

  As shown in FIGS. 2 and 3, the mounting surface 2 a to which the inverter-side connector 21 is mounted is provided above the inverter-side connector 21 with the mounting member 3 with grommet (connector shell 30 of the mounting member 3 with grommet described later). ) Is screwed into the screw hole 2b.

  As shown in FIGS. 1 to 4, the grommet-equipped attachment member 3 that integrally covers the connection portion between the wire harness 1 having the above-described configuration and the inverter-side connector 21 is fitted and attached to the inverter-side connector 21. An aluminum alloy connector shell 30, an elastic synthetic resin grommet 40 attached to the rear portion of the connector shell 30, and a synthetic resin binding band 6 that fixes the grommet 40 to the connector shell 30. It is composed.

  As shown in FIGS. 1 to 4, the connector shell 30 is a cylindrical body extending in the front-rear direction X, and includes a shell base portion 31 that contacts the mounting surface 2 a and an inverter-side body portion into which the inverter-side connector 21 is fitted. 32 and the grommet side body portion 33 fitted to the grommet 40 are integrally formed in this order from the front.

  Further, the connector shell 30 is formed with a first flange portion 34 at a boundary portion between the inverter side body portion 32 and the grommet side body portion 33, and the grommet side body portion 33 has a second flange portion 35 and a third flange portion. 36 is formed.

  As shown in FIGS. 3 and 4, the shell base 31 of the connector shell 30 includes a base main body 311 having a predetermined thickness in the front-rear direction X and a substantially rectangular base main body 311, and a front surface extending upward from the upper end of the base main body 311. It is integrally formed with a fastening fixing portion 312 having a substantially triangular shape.

Further, a linear protrusion 313 that protrudes forward and extends in the width direction Y is formed at the lower end of the base body 311.
A through hole 314 through which the fixing bolt 24 screwed into the screw hole 2 b of the inverter 2 is inserted is formed in the fastening fixing portion 312 along the front-rear direction X.

  As shown in FIGS. 3 and 4, the inverter-side body portion 32 of the connector shell 30 is formed in a substantially cylindrical body that extends in the front-rear direction X and has a closed cross-sectional shape that is substantially oval when viewed from the back in the width direction Y. doing. The shape of the inner surface of the inverter-side body portion 32 is a substantially oval shape in front view that is substantially similar to the inverter-side connector 21 and is formed in a size that allows the inverter-side connector 21 to be fitted.

  Further, as shown in FIG. 2 and FIG. 3, the lower surface of the inverter-side body portion 32 is erected downward, and is formed in a concave groove shape by a substantially U-shaped projection in the bottom view opened on the rear side. A tip mounting portion 321 is provided. The tip mounting portion 321 is formed so that an extending portion 445 of the grommet 40 described later can be mounted in a state where the grommet 40 is mounted on the connector shell 30.

  As shown in FIGS. 3 and 4, the grommet side body portion 33 of the connector shell 30 is substantially the same size as the inverter side body portion 32, and has a closed cross-sectional shape that is substantially oblong when viewed from the front in the width direction Y. The cylindrical body extends in the front-rear direction X.

  As shown in FIGS. 3 and 4, the first flange portion 34 of the connector shell 30 is a front view that protrudes outward from the outer peripheral surface at the boundary portion between the inverter-side body portion 32 and the grommet-side body portion 33. It is formed in an elliptical shape. In addition, the 1st flange part 34 is the protrusion length (inverter side trunk | drum) in a curved part with respect to the projection length (length in the thickness direction of the inverter side trunk | drum 32) in the straight-line part of a substantially oblong shape in front view. 32 (length in the thickness direction) is formed in a long shape (see FIG. 7).

  As shown in FIGS. 3 and 4, the second flange portion 35 of the connector shell 30 is substantially oval in a front view protruding outward from the outer peripheral surface at the approximate center of the grommet side body portion 33 in the front-rear direction X. It is formed into a shape.

  As shown in FIGS. 3 and 4, the third flange portion 36 of the connector shell 30 is substantially the same size as the second flange portion 35 and protrudes outward from the rear end of the grommet side body portion 33. It is formed in a substantially oval shape when viewed from the front.

  As shown in FIG. 3, the connector shell 30 between the second flange portion 35 and the third flange portion 36 is made of a synthetic resin binding for mounting and fixing the braided wire 4 covered so as to cover from the outside. Band 7 is wound around.

The binding band 7 is integrally formed by a substantially band-shaped band portion 7a that is long in the circumferential direction of the connector shell 30 and a lock portion 7b that is provided at one end of the band portion 7a and that locks the band portion 7a inserted inside. doing.
The binding band 7 is wound around the curved portion of the connector shell 30 that is substantially oblong when viewed from the front so that the lock portion 7b is positioned (see FIG. 6).

As shown in FIGS. 1 to 4, the grommet 40 is formed in a substantially cylindrical body having an internal space through which the wire harness 1 is inserted.
More specifically, the grommet 40 includes an electric wire surrounding portion 41 that surrounds the covered electric wires 12 and 13 via the corrugated tube 5, and a branch portion that branches upward from the vicinity of the front end of the electric wire surrounding portion 41 and through which the covered electric wire 13 is inserted. 42, the harness side connector 11 surrounding the harness-side connector 11 and the vicinity of the covered wire 12, and the connector surrounding portion 44 surrounding the harness-side connector 11 via the grommet side body portion 33 of the connector shell 30. Forming.

  The wire surrounding part 41 of the grommet 40 is formed in a substantially cylindrical shape having an inner diameter smaller than the outer diameter of the corrugated tube 5 as shown in FIGS. In addition, the outer surface shape at the rear end of the electric wire surrounding portion 41 is formed in a shape having an inclined portion 41a that is inclined so that the outer diameter is gradually reduced toward the rear, and is thinned.

  Furthermore, on the inner peripheral surface in the vicinity of the rear end of the electric wire surrounding portion 41, a first annular protrusion 411, a second annular protrusion 412 that protrudes inward and extends along the circumferential direction, and A third annular protrusion 413 is formed.

  As shown in FIG. 5, the first annular protrusion 411, the second annular protrusion 412, and the third annular protrusion 413 have a substantially trapezoidal cross section along the front-rear direction X, and the corrugated tube 5. The concave portion 5b is formed in such a size that the concave and convex portions are fitted while being elastically deformed.

The first annular protrusion 411 is formed along the rear end opening edge of the wire surrounding portion 41.
The second annular protrusion 412 is formed at a position separated from the first annular protrusion 411 by a length corresponding to the outer dimension W of the two adjacent convex portions 5 a of the corrugated tube 5.

  The third annular protrusion 413 is formed in front of the second annular protrusion 412 so that the third annular protrusion 413 can be fitted into the recessed portion 5b adjacent to the recessed portion 5b of the corrugated tube 5 into which the second annular protruding portion 412 is fitted. Yes.

  As described above, the grommet 40 in which the annular protrusions (411, 412 and 413) are disposed is positioned between the first annular protrusion 411 and the second annular protrusion 412 in a state where the annular grommet 40 is fitted to the corrugated tube 5. The corrugated tube 5 adjacent to each other is provided with a range in which the two protruding portions 5a and the electric wire surrounding portion 41 do not fit with each other.

  In the range where the electric wire surrounding portion 41 and the corrugated tube 5 are not concavo-convexly fitted, protrusions such as the first annular protrusion 411, the second annular protrusion 412, and the third annular protrusion 413 are not arranged. The first annular protrusion 411, the second annular protrusion 412, and the third annular protrusion 413 are portions that are more deformable than the wire surrounding portion 41, and are referred to as a highly deformable portion 414.

  On the other hand, on the outer peripheral surface in the vicinity of the rear end of the electric wire surrounding portion 41, as shown in FIGS. 3 and 4, in the front-rear direction X, a position substantially equal to the second annular protrusion 412 and the third annular protrusion 413. And a rear band mounting portion 415 around which a synthetic resin binding band 8 is wound is formed.

  The binding band 8 is integrally formed by a substantially band-shaped band portion 8a that is long in the circumferential direction of the electric wire surrounding portion 41, and a lock portion 8b that is provided at one end of the band portion 8a and that locks the band portion 8a inserted inside. Forming.

  As shown in FIG. 5, the rear band mounting portion 415 is in contact with the rear wall of the rear band mounting portion 415 and the rear end of the binding band 8 at a position corresponding to the second annular protrusion 412. At a position corresponding to the protrusion 413, it is formed in a concave groove shape having a length in the front-rear direction X where the front wall of the rear band mounting portion 415 and the front end of the binding band 8 abut.

  That is, the rear band mounting portion 415 is formed so that the second annular projection 412 and the third annular projection 413 are located within a predetermined range along the front-rear direction X in the rear band mounting portion 415.

  Specifically, the length in the front-rear direction X of the rear band mounting portion 415 is defined as the mounting portion groove width, the length in the front-rear direction X of the band portion 8a of the binding band 8 is defined as the band width, The subtracted length in the front-rear direction X is defined as the gap length.

  At this time, the mounting portion groove width of the rear band mounting portion 415 is set to be less than twice the band width, and is separated from the front end and the rear end of the rear band mounting portion 415 in the front-rear direction X by a gap length, respectively. The range of the rear band mounting portion 415 is a predetermined range along the front-rear direction X in the rear band mounting portion 415.

  Then, a mounting portion groove less than twice the band width is set so that the predetermined range along the front-rear direction X in the rear band mounting portion 415 faces the second annular projection 412 and the third annular projection 413. A rear band mounting portion 415 having a width is formed on the outer peripheral surface of the wire surrounding portion 41.

  In other words, as shown in FIG. 5 and the following “Equation 1”, the length of the binding band 8 in the front-rear direction X (hereinafter referred to as “band width W1”) is the second annular protrusion 412 and the third annular protrusion. The binding band 8 is formed so as to be equal to or greater than the interval in the front-rear direction X at the portion 413 (hereinafter referred to as “projection interval W2”).

  As shown in the following “Equation 2”, the length of the rear band mounting portion 415 in the front-rear direction X (hereinafter referred to as “mounting portion groove width W3”) is longer than the protrusion interval W2 and the band width W1. The rear band mounting portion 415 is formed so as to be shorter than the length obtained by subtracting the protrusion interval W2 from the value obtained by multiplying “2” by “2.”

グロメット４０の分岐部４２は、図３及び図４に示すように、前方斜め上方へ向けて延設した略円筒状であって、電線囲繞部４１の内部空間と連通するように形成している。なお、分岐部４２の先端部は、電線囲繞部４１の後端部と同様の構成のため、電線囲繞部４１と同じ符号を付して、その詳細な説明を省略する。

As shown in FIGS. 3 and 4, the branch portion 42 of the grommet 40 has a substantially cylindrical shape that extends obliquely upward and forward, and is formed so as to communicate with the internal space of the wire surrounding portion 41. . In addition, since the front-end | tip part of the branch part 42 is the structure similar to the rear-end part of the electric wire surrounding part 41, the same code | symbol as the electric wire surrounding part 41 is attached | subjected and the detailed description is abbreviate | omitted.

  As shown in FIGS. 3 and 4, the bellows portion 43 of the grommet 40 has a closed cross-sectional shape that is substantially circular in front view and a closed cross-sectional shape that is substantially elliptical in front view that is long in the width direction Y. From the front end of the surrounding part 41, it extends so that the inner and outer diameters may be expanded.

  As shown in FIGS. 3 and 4, the connector surrounding portion 44 of the grommet 40 is formed in a substantially cylindrical body extending in the front-rear direction X with a closed cross-sectional shape that is substantially oblong when viewed from the back in the width direction Y. Yes. More specifically, in a state in which the connector surrounding portion 44 is attached to the connector shell 30, the connector surrounding portion 44 has a length in the front-rear direction X in which the front end portion of the connector surrounding portion 44 is closely opposed to the first flange portion 34 of the connector shell 30. It extends from the portion 43 toward the front.

  The outer shape of the connector surrounding portion 44 is such that the length in the vertical direction Z is longer than the length in the vertical direction Z in the first flange portion 34, and the length in the width direction Y is the width direction Y in the first flange portion 34. It is formed in a substantially oval shape in front view shorter than the length.

On the other hand, the inner surface shape of the connector surrounding portion 44 is a substantially oval shape in front view that is substantially similar to the outer surface shape of the grommet side body portion 33 of the connector shell 30 and can be fitted to the grommet side body portion 33. It is formed in size.
Further, as shown in FIG. 2, the connector surrounding portion 44 is formed with a bulging portion 441 that bulges outward in the width direction Y at the top of one curved portion of the substantially oval shape when viewed from the front. Yes.

  As shown in FIG. 6, the bulging portion 441 is formed at a portion corresponding to the portion between the second flange portion 35 and the third flange portion 36 in the grommet side body portion 33 in a state where the connector shell 30 is fitted. ing. The bulging portion 441 is formed in a shape having an internal space that can accommodate the lock portion 7 b of the binding band 7.

  In addition, as shown in FIGS. 1 and 3, a front band mounting portion 442 around which a binding band 6 for fixing the grommet 40 to the connector shell 30 is wound is formed on the outer peripheral surface at the front end portion of the connector surrounding portion 44. doing.

The binding band 6 is integrally formed by a substantially band-shaped band portion 6a wound around the connector surrounding portion 44 and a lock portion 6b that is provided at one end of the band portion 6a and that locks the band portion 6a inserted through the band portion 6a. Forming.
The binding band 6 is wound around the connector surrounding portion 44 so that the lock portion 6b is positioned at a position facing a notch portion 444 (see FIG. 7) of the front band mounting portion 442 described later in the front-rear direction X. Yes.

  As shown in FIG. 3, the front band mounting portion 442 has an outer peripheral surface corresponding to the grommet side body portion 33 between the first flange portion 34 and the second flange portion 35 in a state where the connector shell 30 is fitted. Forming.

  More specifically, as shown in FIG. 8, the front band mounting portion 442 is recessed along the circumferential direction of the connector surrounding portion 44 and has a height lower than the thickness of the band portion 6 a in the binding band 6. The side wall portion 442a and the rear side wall portion 442b are formed in a concave groove shape on the front side and the rear side, respectively.

  On the inner peripheral surface of the connector surrounding portion 44 corresponding to the front band mounting portion 442, a lip portion 443 projecting inward and extending along the circumferential direction is juxtaposed along the front-rear direction X. Two are formed as shown.

  In the cross section in the front-rear direction X, the two lip portions 443 are in contact with the front side wall portion 442a of the front band mounting portion 442 and the front end of the band portion 6a in the binding band 6, and the rear side wall of the front band mounting portion 442. In the state where the part 442b and the front end of the band part 6a in the binding band 6 are in contact with each other, the band part 6a is formed in an overlapping range.

That is, the front band mounting portion 442 is formed so that the two lip portions 443 are located within a predetermined range along the front-rear direction X in the front band mounting portion 442.
Specifically, the length of the front band mounting portion 442 in the front-rear direction X is defined as the mounting portion groove width, the length of the band portion 6a of the binding band 6 in the front-rear direction X is defined as the band width, and the band width is calculated from the mounting portion groove width. The subtracted length in the front-rear direction X is defined as the gap length.

  At this time, the mounting band groove width of the front band mounting part 442 is set to be less than twice the band width, and the front band mounting part 442 separated from the front side wall part 442a and the rear side wall part 442b by the gap length in the front-rear direction X. Is a predetermined range along the front-rear direction X in the front band mounting portion 442.

  Then, the front band mounting portion 442 having a mounting portion groove width less than twice the band width is connected to the connector so that the predetermined range along the front-rear direction X in the front band mounting portion 442 faces the two lip portions 443. It is formed on the outer peripheral surface of the surrounding portion 44.

  In other words, as shown in FIG. 8 and the following “Equation 3”, the length of the binding band 6 in the front-rear direction X (hereinafter referred to as “band width W11”) is the distance between the two lip portions 443 in the front-rear direction X ( Hereinafter, the binding band 6 is formed so as to be equal to or greater than “the lip portion interval W12”.

  As shown in the following “Equation 4”, the length of the front band mounting portion 442 in the front-rear direction X (hereinafter referred to as “mounting portion groove width W13”) is longer than the lip portion interval W12 and the band width W11. The front band mounting portion 442 is formed so as to be shorter than the length obtained by subtracting the lip portion interval W12 from the value obtained by multiplying “2” by “2”.

この前方バンド装着部４４２の前方側壁部分４４２ａには、図４、図６、及び図７に示すように、正面視において、膨出部４４１に対して幅方向Ｙで対向する湾曲部分の頂部を、前後方向Ｘに沿って切欠いた切欠き部４４４を形成している。

As shown in FIGS. 4, 6, and 7, the front side wall portion 442 a of the front band mounting portion 442 has a top portion of a curved portion facing the bulging portion 441 in the width direction Y in front view. A notch 444 that is notched along the front-rear direction X is formed.

  As shown in FIG. 9, the notch 444 has a substantially trapezoidal shape in a side view in which the rear side is wide and the front side is narrow as shown in FIG. Cut out and formed.

More specifically, the notch portion 444 has a substantially trapezoidal shape in a side view in which the notch length on the front side in the up-down direction Z and the notch length on the rear side are longer than the length in the up-down direction Z of the lock portion 6b. Notched.
The notch 444 is formed so as to face a portion inside the outer peripheral edge of the first flange portion 34 when the grommet 40 is attached to the connector shell 30.

  In addition, as shown in FIG. 2 and FIG. 3, an extension portion 445 having a substantially rectangular shape in plan view extending forward from a straight portion in a substantially elliptical shape in front view is provided at the lower front end of the connector surrounding portion 44. I have. The extending portion 445 is formed so as to be attachable to the tip attaching portion 321 of the connector shell 30 in a state where the grommet 40 is attached to the connector shell 30.

  Next, a method for assembling the mounting member 3 with grommet having the above-described configuration will be briefly described. First, after inserting the grommet side body portion 33 of the connector shell 30 into the braided wire 4, the binding band 7 is wound around the grommet side body portion 33, and the braided wire 4 is assembled to the grommet side body portion 33.

  Thereafter, the wire harness 1 inserted in advance into the grommet 40 is fitted into the connector shell 30, and then the connector shell 30 is fitted into the grommet 40. Thereafter, the binding band 8 and the binding band 6 are wound around the rear band mounting portion 415 and the front band mounting portion 442, respectively, and the attachment member 3 with grommet into which the wire harness 1 is inserted is configured.

  The grommet 40 that achieves the above-described configuration can ensure both waterproofness with the connector shell 30 and disassembly and assembly with respect to the connector shell 30.

Specifically, by cutting out the front side wall portion 442a in the front band mounting portion 442, the cutout portion 444 can partially reduce the rigidity of the front end portion.
For this reason, the notch 444 can easily increase the inner diameter of the connector surrounding portion 44 and can be easily attached to the connector shell 30.

  Further, for example, by forming the notch portion 444 at a position where the binding band 6 can be easily wound, the notch portion 444 serves as positioning means when the binding band 6 is wound around the front band mounting portion 442. Can function.

  Alternatively, by setting the position of the front band mounting portion 442 provided with the notch portion 444 as the position of the lock portion 6b for fixing the band 6a of the binding band 6, the notch portion 444 is the lock portion 6b in the front-rear direction X. The binding band 6 having different lengths can be easily wound.

  On the other hand, when removing the binding band 6 wound around the grommet 40, the notch 444 can function as an insertion port for inserting a predetermined tool for cutting the binding band 6 into the binding band 6.

  Specifically, in the state of being attached to the attachment surface 2a via the connector shell 30, the notch portion 444 is arranged at a position spaced apart from the attachment surface 2a in the front-rear direction X. Insertion can be facilitated.

  At this time, for example, by winding the binding band 6 so that the notch portion 444 and the lock portion 6b are opposed to each other, the notch portion 444 is disposed in the vicinity of the lock portion 6b due to the overlapping of the bands and the front band mounting portion 442. It is possible to more easily insert a predetermined tool into the gap. Thereby, when cutting the binding band 6 with a predetermined tool, the grommet 40 can be prevented from being damaged by the predetermined tool.

  In the state where the binding band 6 is wound around the front band mounting portion 442, the inner peripheral surface of the connector surrounding portion 44 corresponding to the front band mounting portion 442 can abut on the vicinity of the tip of the connector shell 30 without a gap. it can.

  At this time, since the front band mounting portion 442 is formed at the front end portion where the first flange portion 34 of the connector shell 30 is close, the front band mounting portion 442 is formed by, for example, turning up the front end portion by high-pressure washing water. It can be suppressed by cooperation with the binding band 6.

  Furthermore, the front band mounting portion 442 can suppress the high-pressure cleaning water from entering the connector surrounding portion 44 by cooperation with the binding band 6 and the first flange portion 34 of the connector shell 30.

  Therefore, the grommet 40 has a waterproof property between the connector shell 30 and the connector by the front band mounting portion 442 formed on the front end portion and the notch portion 444 formed on the front side wall portion 442a of the front band mounting portion 442. It is possible to ensure both disassembly and assembly with respect to the shell 30.

  In addition, since the notch 444 is formed in the substantially oval curved portion of the connector surrounding portion 44, the grommet 40 can be disassembled with respect to the connector shell 30 without reducing the water stoppage between the connector shell 30 and the grommet 40. Assembling can be improved.

  Specifically, by forming the notch portion 444 in the curved portion of the substantially oval-shaped connector surrounding portion 44, the grommet 40 is compared to the case where the notch portion 444 is formed in the substantially oval-shaped linear portion. Thus, the position of the notch 444 can be easily identified.

  As a result, when the binding band 6 is wound, the grommet 40 can easily arrange the lock portion 6b in which a gap is likely to be formed between the front band mounting portion 442 and the curved portion having a substantially elliptical shape. At this time, the binding band 6 does not have a substantially oval shape along the front band mounting portion 442 but is easily wound around an egg shape.

  For this reason, the binding band 6 is characterized in that the load for tightening the substantially elliptical curved portion of the connector surrounding portion 44 is high, whereas the load for tightening the straight portion is low.

  Therefore, in a state where the binding band 6 is wound around the grommet 40, the pressing load with which the front band mounting portion 442 presses the connector shell 30 is the pressing load at the curved portion with respect to the pressing load at the substantially elliptical straight portion. The load tends to be higher.

  Therefore, by forming the notch portion 444 in the curved portion of the substantially oval connector surrounding portion 44, the grommet 40 turns up the front end portion in the vicinity of the notch portion 444, whose rigidity tends to be low, and the binding band 6. It can be surely suppressed by cooperation with.

Thereby, the grommet 40 can suppress the penetration | invasion of the water | moisture content to the inside of the connector surrounding part 44 more reliably, for example, even when it is a case where high pressure washing water is sprayed.
Therefore, the grommet 40 is a disassembled assembly with respect to the connector shell 30 without lowering the water stoppage between the connector shell 30 by forming the notch portion 444 in the curved portion of the substantially oval connector surrounding portion 44. It is possible to improve the attachment.

  Further, in a position facing the inner side of the outer peripheral edge of the first flange portion 34 of the connector shell 30, in other words, the notch portion 444 has a width with respect to the edge of the first flange portion 34 in the width direction Y. Since it is located inside the direction Y, for example, when the high pressure cleaning water is sprayed on the grommet 40, the high pressure cleaning water is less likely to reach the inside of the connector surrounding portion 44 by the first flange portion 34 of the connector shell 30. . Thereby, the grommet 40 can prevent high-pressure washing water from being directly sprayed on the vicinity of the notch 444 where rigidity is likely to be low.

  Further, since the extended portion 445 attached to the tip attaching portion 321 formed in the connector shell 30 is provided, the grommet 40 can further improve the disassembly and assembly property with respect to the connector shell 30.

  Specifically, when the grommet 40 is attached to the connector shell 30 or when the grommet 40 is removed from the connector shell 30, the extending portion 445 can function as a handle held by the operator.

  For example, when the diameter of the substantially oval-shaped connector surrounding portion 44 is increased, the diameter of the linear portion is easier to expand than the approximately oval-shaped curved portion. For this reason, when the extension part 445 is formed in the linear part of the substantially oblong-shaped connector surrounding part 44, the extending part 445 can expand the diameter of the substantially oblong-shaped connector surrounding part 44 easily.

Furthermore, since it is mounted on the tip mounting portion 321 of the connector shell 30, the extending portion 445 can function as a positioning means for the grommet 40 with respect to the connector shell 30.
However, the vicinity of the base portion of the extended portion 445 that is the rear portion of the thread is likely to have higher rigidity than the periphery thereof, and therefore the front band mounting portion 442 may reduce the pressing load that presses the connector shell 30. There is.

  For this reason, for example, when the notched portion 444 and the extending portion 445 are formed in the curved portion of the substantially oval-shaped connector surrounding portion 44, the water stoppage in the vicinity of the notched portion 444 may be reduced. Therefore, by forming the extending portion 445 in the substantially elliptical straight portion, the front band mounting portion 442 can reliably press the connector shell 30 in cooperation with the binding band 6 in the grommet 40.

  Therefore, the grommet 40 can be further improved in disassembly and assembly with respect to the connector shell 30 by including the extending portion 445.

  Further, by providing two lip portions 443 on the inner peripheral surface of the connector surrounding portion 44 corresponding to the front band mounting portion 442, the grommet 40 ensures more stable water-stopping with the connector shell 30. can do.

  Specifically, since the contact area with the connector shell 30 is small, the lip portion 443 has a higher pressing load than the pressing load when the connector shell 30 is pressed by the inner peripheral surface of the connector surrounding portion 44. The shell 30 can be pressed.

Further, since at least two lip portions 443 are provided, the grommet 40 contacts the connector shell 30 with the lip portion 443 even when the binding position of the binding band 6 varies in the front-rear direction X. Can be touched.
Therefore, the grommet 40 is provided with the two lip portions 443, so that the waterproofness between the grommet 40 and the connector shell 30 can be secured more stably.

  Further, the length of the front band mounting portion 442 in the front-rear direction X is defined as a mounting portion groove width, the length of the binding band 6 in the front-rear direction X is defined as the band width, and the length obtained by subtracting the band width from the mounting portion groove width is defined as As the gap length, the front band mounting portion 442 is configured such that the mounting portion groove width is less than twice the band width, and from the front side wall portion 442a and the rear side wall portion 442b in the front band mounting portion 442, the front-rear direction Since the lip portion 443 is formed on the inner peripheral surface corresponding to the range of the front band mounting portion 442 that is separated from the X by the gap length, the binding band 6 contacts the front side wall portion 442a of the front band mounting portion 442. Even when the binding band 6 is in contact with the rear side wall portion 442b, the lip portion 443 can be pressed by the binding band 6.

Therefore, even when the winding position of the binding band 6 with respect to the front band mounting portion 442 is biased forward or backward, the grommet 40 more reliably hits at least two lip portions 443 against the connector shell 30. Can be touched.
Therefore, the grommet 40 can ensure water-stopping with the connector shell 30 more reliably.

  Further, the grommets 40 are attached to the connector shell 30 by forming the bulging portion 441 having an internal space capable of accommodating the lock portion 7b of the binding band 7 at a position facing the notch portion 444 in the front view. It is possible to suppress the weight unevenness in the state of being damaged. Furthermore, since the notch portion 444 and the bulging portion 441 face each other in the width direction Y in front view, the bulging portion 441 inhibits easy winding of the binding band 6 around the front band mounting portion 442. Can be prevented.

  Further, the grommet 40 described above, the main body portion attached to the attachment surface 2a, the first flange portion 34 that is close to and opposed to the connector surrounding portion 44 of the grommet 40, and the grommet side body portion 33 that is fitted to the connector surrounding portion 44 are provided. By forming the substantially cylindrical connector shell 30 arranged in order and the binding band 6 wound around the front band mounting portion 442 of the grommet 40, the mounting member 3 with grommet is formed by the grommet 40 and the connector shell 30. It is possible to ensure both water-stopping performance and disassembling and assembling properties of the grommet 40 with respect to the connector shell 30.

  Further, the notch portion 444 is formed in a substantially trapezoidal shape in a side view in which the notch length on the front side in the vertical direction Z and the notch length on the rear side are longer than the length in the vertical direction Z on the lock portion 6b Thus, even when the lock part 6b is disposed so as to face the notch part 444, the grommet 40 can reliably ensure a gap in which a predetermined tool can be inserted into the band part 6a.

  In addition, in the above-mentioned embodiment, although the wire harness 1 was comprised with the two covered electric wires 12 and the harness side connector 11, it is not limited to this, For example, the wire comprised with the three covered electric wires and the harness side connector It may be a harness. Or the wire harness comprised with the one covered electric wire and the harness side connector may be sufficient.

  Moreover, although it was set as the wire harness 1 connected to the inverter 2, it is good not only as this but it is good also as the wire harness 1 connected to a battery, an electric motor, a capacitor, etc., if it can connect electrically.

  Moreover, although it was set as the connector shell 30 with which the inverter side connector 21 was mounted | worn, it is not limited to this, You may comprise the attachment member which formed the inverter side connector 21 and the connector shell 30 integrally. At this time, the grommet 40 may be attached to the attachment member attached in advance to the attachment surface 2a.

In addition, although the connector encircling portion 44 has a substantially elliptical shape when viewed from the front, the connector encircling portion is not limited thereto, and may be a substantially cylindrical connector encircling portion. In this case, a harness-side connector having a substantially circular shape in front view and a substantially cylindrical connector shell are provided.
Moreover, although it was set as the synthetic resin binding band 6, 7, 8, it is not limited to this, A metal binding band may be sufficient.

  Further, although the front band mounting portion 442 having the front side wall portion 442a and the rear side wall portion 442b having a height lower than the thickness of the band portion 6a in the binding band 6 is used, the present invention is not limited thereto, and the band in the binding band 6 It is good also as the front band mounting part 442 which has the front side wall part 442a of the height higher than the thickness of the part 6a, and the back side wall part 442b.

In correspondence between the configuration of the present invention and the above-described embodiment,
The predetermined mounting surface of the present invention corresponds to the mounting surface 2a of the embodiment,
Similarly,
The mounting member corresponds to the connector shell 30;
The vicinity of the tip of the mounting member and the fitting portion correspond to the grommet side body portion 33 of the connector shell 30,
The connector corresponds to the harness side connector 11,
The axial direction corresponds to the longitudinal direction X,
The flange portion corresponds to the first flange portion 34,
The mounting member side end corresponds to the front end of the connector surrounding portion 44,
The band mounting portion corresponds to the front band mounting portion 442,
The mounting member side wall portion corresponds to the front side wall portion 442a,
The electric wire side wall portion corresponds to the rear side wall portion 442b,
The recessed groove portion corresponds to the tip mounting portion 321,
The binding band wound around the mounting member corresponds to the binding band 7,
The orthogonal direction corresponds to the width direction Y,
The main body corresponds to the shell base 31,
The present invention is not limited only to the configuration of the above-described embodiment, and many embodiments can be obtained.

DESCRIPTION OF SYMBOLS 1 ... Wire harness 2a ... Mounting surface 3 ... Grommet attaching member 6 ... Bundling band 7 ... Bundling band 7b ... Lock part 11 ... Harness side connector 12 ... Covered electric wire 23 ... Connection terminal 30 ... Connector shell 31 ... Shell base 33 ... Grommet Side trunk 34 ... first flange 40 ... grommet 41 ... wire enclosure 44 ... connector enclosure 321 ... tip attachment 441 ... bulge 442 ... front band attachment 442a ... front side wall 442b ... rear side wall 443 ... Lip part 444 ... Notch part 445 ... Extension part W11 ... Band width W13 ... Mounting part groove width X ... Front-rear direction Y ... Width direction

Claims (9)

The connection terminal to which the wire harness is connected is disposed inside, and is attached to the vicinity of the tip of the mounting member having the tip at a position spaced from the predetermined mounting surface, and the connector of the wire harness, and the covering An elastic grommet that integrally surrounds the wire,
The grommet,
A substantially cylindrical wire surrounding portion surrounding the covered wire; and
A substantially cylindrical connector surrounding portion that extends from the wire surrounding portion along the axial direction of the wire surrounding portion and has an inner diameter with which the mounting member can be fitted to surround the connector. And
In the connector enclosure,
A mounting member side end facing the flange portion erected from the outer peripheral surface of the mounting member;
On the outer peripheral surface of the mounting member side end,
A band mounting part that enables the binding band to be wound,
An attachment member side wall portion formed adjacent to the band attachment portion on the attachment member side and formed along a circumferential direction of the connector surrounding portion,
On the side wall of the mounting member,
A notch portion formed by notching along the axial direction ,
Forming the connector surrounding portion into a substantially oval cylindrical body;
The grommet in which the notch is formed in a curved portion in the substantially oval shape . At the mounting member side end of the connector enclosure,
In addition to extending toward the attachment member side, an extension portion is provided that is attached to a concave groove formed in the attachment member.
The grommet according to claim 1. The connection terminal to which the wire harness is connected is disposed inside, and is attached to the vicinity of the tip of the mounting member having the tip at a position spaced from the predetermined mounting surface, and the connector of the wire harness, and the covering An elastic grommet that integrally surrounds the wire,
The grommet,
A substantially cylindrical wire surrounding portion surrounding the covered wire; and
A substantially cylindrical connector surrounding portion that extends from the wire surrounding portion along the axial direction of the wire surrounding portion and has an inner diameter with which the mounting member can be fitted to surround the connector. And
In the connector enclosure,
A mounting member side end facing the flange portion erected from the outer peripheral surface of the mounting member;
On the outer peripheral surface of the mounting member side end,
A band mounting part that enables the binding band to be wound,
An attachment member side wall portion formed adjacent to the band attachment portion on the attachment member side and formed along a circumferential direction of the connector surrounding portion,
On the side wall of the mounting member,
A notch portion formed by notching along the axial direction ,
At the mounting member side end of the connector enclosure,
A grommet that extends toward the attachment member and includes an extension portion that is attached to a concave groove formed in the attachment member . The notch,
The grommet according to any one of claims 1 to 3, wherein the grommet is formed at a position facing a portion inside the outer peripheral edge of the flange portion of the mounting member. On the inner peripheral surface of the connector surrounding portion corresponding to the band mounting portion,
The grommet according to any one of claims 1 to 4, further comprising at least two lip portions projecting from the inner peripheral surface and extending along the circumferential direction. The band mounting part
On the side of the electric wire surrounding part than the side wall part of the mounting member, the electric wire side wall part formed along the circumferential direction of the connector surrounding part, and the concave shape of the mounting member side wall part,
The length in the axial direction in the band mounting portion is the mounting portion groove width,
The axial length of the binding band is a band width,
The length obtained by subtracting the band width from the mounting portion groove width is defined as a gap length.
The mounting part groove width of the band mounting part,
Configured to be less than twice the bandwidth,
The lip portion,
The said attachment member side wall part in the said band mounting part and the said electric wire side wall part were formed in the internal peripheral surface corresponding to the range of the said band mounting part spaced apart by the said clearance gap length in the said axial direction, respectively. Grommet. In the connector enclosure,
It has an internal space that can accommodate the lock portion of the binding band wound around the attachment member inserted into the substantially braided braided wire with respect to the attachment member, and has a bulging portion that bulges outward. ,
The bulging portion,
7. In any one of claims 1 to 6, when opposed to the notch portion as viewed from the axial direction, and formed at a position closer to the wire surrounding portion side than the band mounting portion in the axial direction. The grommet described. The connection terminal to which the wire harness is connected is disposed inside, and is attached to the vicinity of the tip of the mounting member having the tip at a position spaced from the predetermined mounting surface, and the connector of the wire harness, and the covering It has elasticity to surround the electric wire integrally,
A substantially cylindrical wire surrounding portion surrounding the covered wire; and
A substantially cylindrical connector surrounding portion that extends from the wire surrounding portion along the axial direction of the wire surrounding portion and has an inner diameter with which the mounting member can be fitted to surround the connector. And
In the connector enclosure,
A mounting member side end facing the flange portion erected from the outer peripheral surface of the mounting member;
On the outer peripheral surface of the mounting member side end,
A band mounting part that enables the binding band to be wound,
An attachment member side wall portion formed adjacent to the band attachment portion on the attachment member side and formed along a circumferential direction of the connector surrounding portion,
On the side wall of the mounting member,
A grommet provided with a notch formed by notching along the axial direction;
A substantially cylindrical mounting member in which a main body portion mounted on a predetermined mounting surface, a flange portion facing the connector surrounding portion of the grommet, and a fitting portion fitted to the connector surrounding portion are arranged in this order;
Consists of a binding band that wraps around the grommet band mounting part
Mounting member with grommet. A grommet according to any one of claims 1 to 7,
A substantially cylindrical mounting member in which a main body portion mounted on a predetermined mounting surface, a flange portion facing the connector surrounding portion of the grommet, and a fitting portion fitted to the connector surrounding portion are arranged in this order;
A mounting member with a grommet constituted by a binding band wound around the band mounting portion of the grommet.

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