JP2000311751A - Attaching structure of grommet to connector - Google Patents

Abstract

PROBLEM TO BE SOLVED: To eliminate regulation as to a shape dimension of a connector housing, and to allow fixing only by plural electric wire extended from a connector. SOLUTION: In this attaching structure, a grommet 1 has an opening part 15 comprising a grommet main body 5 having an annular engaging groove 13 and comprising a lock member 10 fitted insertedly in the groove 13 and locked to an attaching hole 27 formed in panel 25, and formed in the lock member 10 for inserting penetratedly plural electric wires 4 extended from a connector 3, and a connector locking part 2 extended outwards from a peripheral edge part of the opening part 15 in a side opposed to a fitting-in side of the lock member 10 to the grommet main body 5. The connector locking part 2 is freely slidable. The locking part 2 is provided with a plate-like lock plate to tape-wind the connector 3 and the wires 4 from the connector. Positioning of the grommet 1 to the attaching hole 27 is conducted in the lock plate by a positioning rib projected along an extended direction in a side opposed to a mounting face for locking the connector 3.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a mounting structure for a grommet and a connector.

[0002]

2. Description of the Related Art Conventionally, a mounting structure of a grommet 80 and a connector 81 as shown in FIG.
No. 44130). This mounting structure includes a grommet 80 made of soft rubber and a connector 81 in which a terminal with an electric wire (not shown) is inserted into a connector housing 82 made of insulation. Reference numeral 90 denotes a panel, and reference numeral 91 denotes a panel.
Is a mounting hole 91 formed in the panel 90, and reference numeral 92 is a mating connector fitted to the connector 81.

The grommet 80 has a funnel-shaped grommet main body 83 and an insertion hole 84 penetrating through the grommet main body 83.
A connector housing chamber 85 for receiving the connector housing 82 in the grommet body 83;
And an annular engaging groove 86 formed on the inner surface of the second member. The connector 81 includes a connector housing 82, a plurality of terminal accommodating chambers 87 formed in the connector housing 82 for inserting terminals with electric wires, and an engagement flange 88 provided around the front end of the outer surface of the connector housing 82. .

[0004] The connector 81 is inserted from the insertion opening 85 a of the connector accommodating chamber 85 while a plurality of electric wires 89 extending from the connector 81 are inserted into the insertion holes 84 of the grommet main body 83. Thereafter, the engagement flange 88 is inserted into the annular engagement groove 86.
By fitting the connector 81, the connector 81 is fitted into the grommet main body 83.

[0005]

However, since the connector 81 is inserted into the connector accommodating chamber 85 of the grommet main body 83, there is a problem that the shape and dimensions of the connector 81 are restricted by the size of the insertion opening 85a of the connector accommodating chamber 85. there were. Therefore, there is a disadvantage that the grommet main body 83 cannot cope with a connector (not shown) whose shape and dimensions increase with an increase in the number of poles. Also, by design, the connector 81 is not fitted into the grommet body 83, and the insertion hole 8
There is a case where a plurality of electric wires 89 extending from the connector 81 are simply inserted into the inside of the connector 4. In this case, since the electric wire 89 is not locked in the insertion hole 84, the electric wire 89 collides with the inner wall surface of the grommet main body 83 due to the vibration of the traveling vehicle (not shown), and abnormal noise or noise is generated. There was a risk of occurrence.

SUMMARY OF THE INVENTION In view of the foregoing, it is an object of the present invention to eliminate the restriction on the shape and dimensions of a connector housing and to provide a grommet and connector mounting structure that can be fixed with only a plurality of wires extending from the connector.

[0007]

In order to achieve the above object, the present invention provides a structure for attaching a connector to a grommet, wherein the grommet includes a soft rubber grommet main body having an annular engagement groove, and An opening formed in the lock member for inserting a plurality of electric wires extending from the connector, the lock member being made of a hard resin that is fitted into the mating groove and locked in a mounting hole formed in the panel. A grommet and a connector mounting structure having a connector locking portion extending outward from a peripheral portion of the opening on a side opposite to a side where the locking member is inserted into the grommet main body (claim 1). ). A grommet in which the connector locking portion is slidable outward from the lock member and a connector mounting structure are provided (claim 2). The connector locking structure is characterized in that the connector locking structure includes a grommet provided with a plate-shaped locking plate capable of tape-wrapping the connector and the electric wire from the connector with a connector (claim 3). A positioning rib protruding in an extending direction on a side opposite to a mounting surface for locking the connector is provided on the locking plate, and a grommet-connector mounting structure for positioning the grommet in a mounting hole of the panel. (Claim 4).

According to the first aspect, the lock member fitted into the annular engagement groove of the grommet body has an opening through which a plurality of electric wires extending from the connector are inserted. On the side opposite to the side where the lock member is fitted into the grommet main body, a connector locking portion extends outward from the peripheral edge of the opening. Therefore, the connector can be attached to the grommet by locking the connector to the connector locking portion.

According to the second aspect, the connector locking portion is slidable outward from the lock member. Therefore, by extending the connector locking portion, a connector having a larger size can be locked to the connector locking portion.

According to the third aspect, the connector locking portion has a plate-shaped locking plate. Therefore, the connector and the electric wire from the connector can be tape-wound.

According to the fourth aspect, the positioning rib protrudes in the extending direction on the back surface opposite to the mounting surface of the locking plate for locking the connector. Therefore, positioning of the grommet in the mounting hole of the panel is simplified by the positioning rib.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, specific examples of embodiments of the present invention will be described with reference to the drawings. 1 to 7 show one embodiment of a grommet and connector mounting structure according to the present invention. As shown in FIG. 1, the mounting structure includes a grommet 1, a connector locking portion 2 provided on the grommet 1, and a connector 3 locked by the connector locking portion 2.

The grommet 1 includes a first grommet body 5 (corresponding to the grommet body in the claims) and a second grommet body 6 made of soft rubber, and a bellows connected to the first grommet body 5 and the second grommet body 6. Cylindrical member 7 and a lock member 10 made of hard resin to be fitted in the first grommet body 5.
Consisting of The first grommet body 5, the bellows-shaped cylinder 7, and the second grommet body 6 have through holes 8 through which the electric wires 4 pass.
Is penetrating. Hereinafter, the first (second) grommet body 5
(6) is simply referred to as a first (second) main body. The first main body 5 is formed in an annular shape, and has a member-receiving chamber 11 for receiving the lock member 10, a waterproof annular lip 12, which is provided at the free end of the member-receiving chamber 11 in an expanded manner, and a member-receiving member. And an annular engaging groove 13 formed on the inner wall surface of the chamber 11.

As shown in FIG. 1 and FIG.
A connector 16 extending rearward from a peripheral edge 16a of the opening 15 at the lower rear end of the peripheral wall 16; And a locking portion 2. A cantilevered flexible locking piece 18 is cut and raised forward on the outer surface of the peripheral wall 16.
A locking projection 19 is projected from the flexible locking piece 18. The flexible locking pieces 18 are arranged on the peripheral wall 16 and at the center of each of the left and right portions. A gap 26 corresponding to the thickness d of the panel wall 25 is arranged between the rear surface of the engagement flange 17 and the locking projection 19.

As shown in FIG. 3, a portion 10A having the connector locking portion 2 and a portion 10B not having the connector locking portion 2 are divided into two portions.
It is also possible to combine them. With this division, a plurality of electric wires 4 extending outward from the connector 3 can be easily inserted into the opening 15 of the lock member 10 as shown in FIG. A wire bundle is formed by winding a plurality of wires 4 in a tape. In the present embodiment, the same reference numerals are used for electric wires and electric wire bundles.

As shown in FIGS. 1, 2A and 2B, the connector locking portion 2 includes a flat locking plate 20 extending from the rear end of the peripheral wall 16, and a mounting surface of the locking plate 20. 20a. The mounting plate 20 has a mounting surface 20a
A pair of positioning ribs 23, 23
Are protruding. The positioning ribs 23 are arranged on both longitudinal side edges of the back surface 20b in parallel with the extending direction (P direction) of the locking plate 20. In the present embodiment, the case where the shape of the locking plate 20 is a flat plate has been described, but other shapes such as a comb shape (strip), a curved shape, or a hook shape are also possible. In short, the shape of the locking plate 20 is arbitrary as long as it has a space (space) on which the connector 3 can be placed.

As shown in FIGS. 2A and 2B, the locking means 21 includes a pair of guides 30, 30 protrudingly arranged on the mounting surface 20a of the locking plate 20, and a pair of guides 30, 30. A cantilever lock piece 31 formed between the pair of guides 3
And a pair of bosses 32, 32 arranged outside of 0,30. The guide 30, the lock piece 31, and the boss 32 are respectively arranged in parallel with the extending direction (P direction) of the locking plate 20. Note that a pair of guide grooves (not shown) may be formed in the locking plate 20 as another locking means.

As shown in FIG. 1, the second main body 6 is formed in a funnel shape and has an annular groove 35 provided on the outer surface. As shown in FIGS. 1 and 4, the connector 3 includes an insulated connector housing 36 and a plurality of terminal accommodating chambers 37 formed in the connector housing 36 for inserting terminals with electric wires.
And locked means (not shown) formed on the outer surface of the connector housing 36 and engaged with the locking means 2.
As the number of poles of the connector housing 36 increases, the shape and size of the connector housing 36 increase accordingly. In the present embodiment, the connector housing 3
Reference numeral 6 denotes a male type, and a terminal with an electric wire (not shown) is a female type.

Next, how the connector 3 is fixed to the lock member 10 will be described. As shown in FIG. 1, the lock member 10 is inserted into the member attachment chamber 11 of the first main body 5, and the engagement flange 17 of the lock member 10 is fitted into the annular engagement groove 13 of the first main body 5. Thus, the grommet 1 is formed.

Terminal housing 37 of connector housing 36
The connector 3 is formed by inserting a terminal with an electric wire into the connector 3. A plurality of wires 4 extending outward from the connector 3
By being inserted into the insertion hole 8 from the opening 15 of the lock member 10, the second main body 6 is inserted from the first main body 5 through the bellows-shaped cylinder 7.
Through. Connect the connector 3 on the locking plate 20 to the locking member 1
By sliding (sliding) toward zero, the locked means of the connector housing 36 and the locking means 21 of the lock member 10 are fitted to each other (see FIG. 4).

As described above, if the connector 3 has the locking means with respect to the locking means 21 of the connector locking portion 2, the connector locking does not depend on the size (size) of the opening 15 of the locking member 10. The connector 3 can be placed on the locking plate 20 of the part 2. Further, as shown in FIGS. 2 and 5, if the lock member 10C has an outwardly slidable engagement plate 20 ', the engagement plate 20' extends longer than the engagement plate 20 of the lock member 10. . Therefore, the mounting surface 20a 'of the locking plate 20'
Can be larger than the mounting surface 20a of the locking plate 20. Thereby, a connector (not shown) having a larger shape and size than the connector 3 of FIG. 4 can be locked to the locking plate 20 'of FIG.

On the other hand, as shown in FIG. 6, even if the connector 3A has no locking means, the connector 3A and the locking plate 20 Can be securely fixed (locked) to the connector locking portion 2 by wrapping them together with the tape 40.
At this time, if the connectors 3A and 3B are smaller in size than the opening 15 of the lock member 10, the plurality of connectors 3A and 3B
3B can be collectively wound around the locking plate 20 with the tape 40.

When the connector 3 is not locked to the lock member 10 shown in FIG. 1 by design, a plurality of electric wires 4 extending from the connector 3 to the outside pass over the locking plate 20 as shown in FIG. . At this time, the plurality of electric wires 4 passing through the
Can be wound directly with the tape 41. Therefore, it is possible to prevent the electric wire 4 from shaking due to the vibration of the vehicle while the vehicle (not shown) is running. As a result, the electric wire 4
Noise, abnormal noise, etc. generated in resonance with the vibration of the vehicle can be reliably prevented.

Next, after the connector 3 is locked to the lock member 10, the grommet 1 is attached to the mounting hole 27 of the panel 25.
The case of fitting to the will be described. As shown in FIG.
, The connector 3 is inserted into the mounting hole 27 from the mating side of the connector 3, and the annular lip of the first main body 5 is abutted against the panel. When the first body is pressed more strongly against the panel,
The annular lip 12 of the first main body is located at the peripheral edge 27a of the mounting hole 27.
In a state where the panel 25 is turned up,
7a is the engagement projection 19 of the lock member 10 and the engagement flange 1
7 between.

At this time, the positioning ribs 23 (see FIG. 2) formed on the locking plate 20 of the connector locking portion 2 slide on the periphery of the mounting hole 27. Thereby, the mounting hole 27
The grommet 1 can be surely guided to the normal position. Therefore, the grommet 1 can always be fitted and arranged at a fixed position of the mounting hole 27 without depending on the skill of the operator. At this time,
As shown in FIG. 8, the grommet 1 is fitted in the mounting hole 27 of the panel 25.

[0026]

As described above, according to the first aspect of the present invention, the connector locking portion extends from the peripheral edge of the opening of the lock member in the direction opposite to the fitting direction of the lock member into the grommet body. Therefore, the connector can be easily fixed to the grommet by locking the connector to the connector locking portion. At this time, if the connector can be locked to the connector locking portion, the number of poles of the connector and / or the shape and size (size) of the connector can be arbitrarily set, that is, various connectors can be used. As a result, the degree of freedom in design is increased as compared with the related art.

According to the second aspect of the present invention, since the connector locking portion is slidable outward from the lock member, the connector locking portion can be easily extended outward from the peripheral edge of the opening of the lock member. . Therefore, a connector larger than before can be locked to the grommet. Thereby, it is possible to easily cope with a large-sized connector while keeping the grommet main body and / or the lock member in the same shape.

According to the third aspect of the present invention, the connector locking portion is provided with the connector and the plate-shaped locking plate which enables the electric wire from the connector to be tape-wound. Therefore, a connector having a shape and a size larger than that of the locking plate can be easily tape-wound. It is also possible to tape a plurality of connectors together on a locking plate. As a result, a connector that cannot be locked by the connector locking portion can be securely fixed to the locking plate of the connector locking portion. Furthermore, since a plurality of electric wires extending from the connector can be easily and reliably tape-wound around the locking plate,
For example, even if there is vibration (sway) during traveling of the vehicle, the wire can be prevented from shaking following the vibration. Thereby, noise and abnormal noise due to vibration of the electric wire can be prevented.

According to the fourth aspect of the present invention, the positioning rib is provided on the back surface opposite to the mounting surface of the locking plate so as to protrude in the extending direction of the connector locking portion. Therefore, when the grommet is locked to the mounting hole of the panel, the grommet can be reliably positioned with respect to the mounting hole. Thus, the grommet can be easily and quickly locked into the mounting hole regardless of the skill level of the operator.

[Brief description of the drawings]

FIG. 1 is an overall view showing an embodiment of a mounting structure of a grommet and a connector according to the present invention.

2A is an enlarged perspective view of a lock member in FIG. 1, and FIG. 2B is a cross-sectional view taken along line XX of FIG.

FIG. 3 is a perspective view showing a state in which a lock member in FIG. 2 is split into two.

FIG. 4 is an enlarged perspective view showing a state where a connector is attached to a lock member in FIG. 1;

FIG. 5 is a perspective view showing a state where a locking plate of a lock member in FIG. 2 is extended.

6 is a perspective view showing a state in which two small connectors are wound around a locking plate of the lock member of FIG. 2 with a tape;

FIG. 7 shows an electric wire (bundle) on the locking plate of the lock member in FIG.
Is a diagram showing a state in which is wound with a tape.

FIG. 8 is a view showing a state in which the grommet is fitted into a mounting hole of the hand panel after the connector of FIG. 1 is mounted on the grommet.

FIG. 9 is a perspective view showing a conventional example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Grommet 2 Connector locking part 3 Connector 4 Electric wire (bundle) 5 First main body (Grommet main body) 10 Lock member 15 Opening 20 Locking plate 23 Positioning rib 25 Panel 27 Mounting hole

Claims (4)

[Claims] 1. A structure for mounting a connector to a grommet, wherein the grommet is fitted into a soft rubber grommet main body having an annular engagement groove, and is fitted into the annular engagement groove and to a mounting hole formed in a panel. A lock member made of a hard resin to be locked, and an opening formed in the lock member for inserting a plurality of electric wires extending from the connector, and a side opposite to a fitting side of the lock member into the grommet body. A grommet / connector mounting structure, comprising: a connector locking portion extending outward from a peripheral portion of the opening. 2. The connector according to claim 1, wherein the connector locking portion is slidable outward from the locking member.
Mounting structure of the described grommet and connector. 3. The connector locking portion according to claim 1, wherein the connector locking portion includes a plate-shaped locking plate that enables the connector and the electric wire from the connector to be tape-wound.
Mounting structure of the described grommet and connector. 4. A positioning rib protruding in an extending direction on a side opposite to a mounting surface for locking the connector on the locking plate, positions the grommet in a mounting hole of the panel. The mounting structure for a grommet and a connector according to any one of claims 1 to 3, wherein: