JP5851758B2 - Flat cable waterproof connector - Google Patents

Description

  The present invention relates to a flat cable waterproof connector.

  2. Description of the Related Art Conventionally, a flat plate cable having flexibility is used as a device that enables wiring in a narrow space. In this flat cable, a terminal connected to a terminal of a connection partner connector is connected to a portion where the conductor wiring of the flat cable is exposed. Such a joint between the conductor wiring and the terminal needs to be waterproofed. For this reason, for example, Patent Document 1 proposes a flat cable waterproof connector having waterproof performance.

JP 2010-123513 A

  The flat cable waterproof connector described in Patent Literature 1 has a through hole positioned between conductors near the front end in the longitudinal direction of the flat cable, and a flat cable on the outer periphery of the flat cable including the through hole. A synthetic resin molding portion provided with a taper taper that tapers toward the front end is integrally molded over the entire circumference.

  However, since the flat cable waterproof connector described in Patent Document 1 has through holes in the flat cable over the entire length of the molded portion, when an external force acts in the direction in which the flat cable is pulled, the flat cable waterproof connector extends over the entire length of the molded portion. When the external force is applied, the adhesion with the flat cable is reduced over the entire length of the molded part, resulting in a problem that the waterproof performance is lowered.

  The present invention has been made in view of the above, and an object of the present invention is to provide a flat cable waterproof connector that can prevent a decrease in waterproof performance even when a tensile force acts on the flat cable. .

In order to solve the above-described problems and achieve the object, a flat cable waterproof connector according to claim 1 of the present invention includes a flat cable having an insulating covering portion in which a conductor wiring is covered with an insulating film; A flat cable waterproof connector comprising: a terminal joined to a conductor wiring; and a connector housing fitted to a connection counterpart connector so that the terminal and the connection counterpart terminal are connected to each other. A resin mold part integrally formed at the extending direction end of the flat cable so as to cover the joint part with
The resin mold part includes a waterproof mold part that covers the joint part, and a holding mold part that covers the flat cable on the inner side in the extending direction of the flat cable compared to the waterproof mold part, and the waterproof mold part Ri name and the holding mold part is formed integrally, the holding mold part has projecting provided with a flange-like wall that protrudes on the outer peripheral side of the waterproof mold portion, rearward of the the rear end portion of the connector housing without, and it is fitted arranged so as to cover the rear end portion thereof, the holding mold part is characterized that you hold the pulling force to the flat cable at the rear end portion of the connector housing.

Also, the flat cable waterproof connector according to claim 2 of the present invention, in the above invention, the waterproof mold part is made with a sealing portion which is in close contact with the inside wall of the connector housing, before notated flat cable Is an opening formed in the insulating coating and is an opening disposed at a position covered by the holding unit, or a notch formed at both end portions facing in the short direction of the insulating coating. And a pair of cutout portions arranged at positions where at least a part of the holding portion is covered.

  The flat cable waterproof connector according to claim 3 of the present invention is the flat cable waterproof connector according to the invention described above, wherein each notch portion of the pair of notch portions is on each side of the side end portion facing in the short direction of the insulating coating portion. It is a rectangular cutout formed at an end portion, and the holding mold portion is formed so as to cover one side of each cutout portion in a direction crossing the extending direction of the flat cable. .

  In the flat cable waterproof connector according to claim 4 of the present invention, in the above invention, the flat cable includes a plurality of the conductor wires, and the opening portion includes each conductor of the plurality of conductor wires. It is arranged between the wirings.

  In the flat cable waterproof connector according to claim 5 of the present invention, in the above invention, the seal portion is an annular seal member that is disposed along the outer periphery of the waterproof mold portion and has elasticity. It is characterized by.

  The flat cable waterproof connector according to claim 1 of the present invention has a resin mold portion formed integrally with the end portion in the extending direction of the flat cable so as to cover the joint portion between the conductor wiring and the terminal. The resin mold part includes a waterproof mold part that covers the joint part and a holding mold part that covers the flat cable on the inner side in the extending direction of the flat cable as compared to the waterproof mold part. A tensile force easily acts on the mold part. On the other hand, it becomes difficult for a tensile force to act on the waterproof mold portion. For this reason, peeling of the said waterproof mold part and the said flat cable is prevented, and even if it is a case where tensile force acts on the said flat cable as a result, the fall of waterproof performance can be prevented.

  The flat cable waterproof connector according to claim 2 of the present invention is such that the waterproof mold portion has a seal portion that is in close contact with the inner wall surface of the connector housing, and the holding mold portion is fitted into the connector housing. The flat cable is an opening formed in the insulating coating portion and is disposed at a position covered by the holding mold portion, or a short direction of the insulating coating portion The holding mold portion is formed with a pair of cutout portions disposed at positions where at least a part is covered with the holding mold portion. Resin is embedded in the opening or the notch, and the embedded cable causes the flat cable to resist pulling force. It is adapted to be held in the serial holding mold part. For this reason, a pulling force is more likely to act on the holding mold part. On the other hand, the tensile force is less likely to act on the waterproof mold part. For this reason, peeling of the said waterproof mold part and the said flat cable is prevented, and even if it is a case where tensile force acts on the said flat cable as a result, the fall of waterproof performance can be prevented.

  In the flat cable waterproof connector according to claim 3 of the present invention, each cutout portion of the pair of cutout portions has a rectangular shape formed at each side end portion of the side end portion facing in the direction of the insulating coating portion. It is a notch, and the holding mold part is formed so as to cover one side of each notch part in the direction intersecting the extending direction of the flat cable, so the notch part covered by the holding mold part The one side functions as a portion hooked with the holding mold portion, and the flat cable is held by the holding mold portion more strongly against the pulling force.

  In the flat cable waterproof connector according to claim 4 of the present invention, the flat cable has a plurality of the conductor wires, and the opening is disposed between the conductor wires of the plurality of conductor wires. Therefore, the opening can be efficiently arranged.

  In the flat cable waterproof connector according to claim 5 of the present invention, the seal portion is an annular seal member that is arranged along the outer periphery of the waterproof mold portion and has elasticity. The inner wall surface of the connector housing is securely adhered, and as a result, the waterproof performance can be enhanced.

FIG. 1 is an exploded perspective view of a flat cable waterproof connector according to an embodiment of the present invention. FIG. 2 is a perspective view of the flat cable shown in FIG. 1 and terminals joined to the flat cable. FIG. 3 is a plan view of a principal part of the flat cable waterproof connector shown in FIG. FIG. 4 is a view showing a manufacturing method of the flat cable waterproof connector shown in FIG. FIG. 5 is a view showing a method of manufacturing the flat cable waterproof connector shown in FIG. FIG. 6 is an exploded perspective view showing a flat cable waterproof connector according to a modification of the embodiment of the present invention. FIG. 7 is a perspective view of the flat cable shown in FIG. 6 and terminals joined to the flat cable.

  Hereinafter, preferred embodiments of a flat cable waterproof connector according to the present invention will be described in detail with reference to the drawings.

(Embodiment)
FIG. 1 is an exploded perspective view of a flat cable waterproof connector 1 according to an embodiment of the present invention. FIG. 2 is a perspective view of the flat cable 10 shown in FIG. 1 and the terminals 20 joined to the flat cable 10. FIG. 3 is a plan view of the main part of the flat cable waterproof connector 1 shown in FIG.
For convenience, the directions of arrows orthogonal to each other in the figure are the front, rear, left, right, up and down directions.
As shown in FIG. 1, the flat cable waterproof connector 1 includes a flat cable 10, three terminals 20, a resin molded portion 30, and a connector housing 50.

First, the flat cable 10 will be described with reference to FIG.
The flat cable 10 includes a conductor portion 11 and an insulating coating portion 12.
The conductor portion 11 is made of copper, a copper alloy, or the like, and has three conductor wires 11a having flexibility. Each of the three conductor wirings 11 a is arranged in parallel according to the parallel spacing of the terminals 20.
In this embodiment, the conductor portion 11 has three conductor wires 11a. However, the present invention is not limited to this. That is, the number of conductor wirings 11a may be one or more.

The insulation coating portion 12 is a portion in which the conductor portion 11 is covered with an insulation film 12b such as polypropylene.
The insulating coating portion 12 has a pair of notches 13 and an opening 14. The pair of cutout portions 13 are rectangular cutouts that are disposed at positions that are at least partially covered with both side end portions 12a facing each other in the short direction of the insulating coating portion 12 and a holding mold portion 32 described later. More specifically, each notch 13 of the pair of notches 13 is configured such that one side 13 a of the notch 13 in the direction intersecting the extending direction of the flat cable 10 is covered with the holding mold part 32. Yes.
The opening 14 is an opening formed in the insulating coating 12 and is disposed at a position covered by a holding unit described later. In this embodiment, the openings 14 are arranged in two places, one place between the conductor lines 11a of the three conductor lines 11a.

  As shown in FIG. 2, the flat cable 10 has flexibility when the conductor portion 11 is covered with an insulating film 12b in a flat plate shape. Further, the flat cable 10 is in a state in which the insulating film 12b at the extending direction end portion 12c, which is an end portion on the side connected to the terminal 20, is removed, and each conductor wiring 11a is exposed. Each terminal 20 is joined to each conductor wiring 11a.

Next, the three terminals 20 will be described.
Each terminal 20 of the three terminals 20 has a shape corresponding to the conductor wiring 11a, and is joined to each conductor wiring 11a by a method such as ultrasonic welding or pressure bonding. In this embodiment, each terminal 20 is a male terminal, and an end 20b facing the end 20a on the side to be joined to the conductor wiring 11a is connected to a mating connection terminal (not shown).
In addition, in this embodiment, although the flat cable waterproof connector 1 illustrated what has the three terminals 20, it is not restricted to this. That is, it is only necessary to provide as many terminals 20 as the number of conductor wires 11a.

Next, the connector housing 50 will be described.
The connector housing 50 is fitted with a connection counterpart connector (not shown) so that the terminal 20 and a connection counterpart terminal (not shown) are connected from one end side of the opposite ends, and the resin mold part 30 is inserted from the other end side. Is.
The connector housing 50 includes a first fitting portion 51 that is fitted to a mating connector not shown, and a second fitting portion 52 that is fitted to the resin mold portion 30.

  The first fitting portion 51 has a cylindrical shape with an oval cross-sectional outer shape, and a connection partner connector (not shown) is inserted inside the first fitting portion 51. That is, when a connection partner connector (not shown) is inserted into the first fitting portion 51, the terminal 20 is connected to a connection counterpart terminal (not shown).

The second fitting portion 52 has a cylindrical shape with a rectangular cross section, and the resin mold portion 30 is fitted therein. The second fitting portion 52 includes a guide cutout portion 52a and a housing opening portion 52b.
The guide cutout portion 52a is a rectangular cutout formed in the upper wall 52c of the second fitting portion 52 from the opening end 52d toward the inside of the upper wall 52c. The guide cutout portions 52 a are formed at two locations on the upper wall 52 c of the second fitting portion 52. Each guide notch 52 a guides each upper protrusion 42 described later of the resin mold 30 when the resin mold 30 is inserted into the connector housing 50.
The housing opening 52 b is a pair of openings formed in both side walls 52 e of the second fitting portion 52. The housing opening 52b is adapted to be engaged with each side protrusion 43 described later of the resin mold part 30.

  The shape of the connector housing 50 is such that the outer shape of the cross section of the first fitting portion 51 is an oval cylindrical shape, and the outer shape of the cross section of the second fitting portion 52 is a rectangular tube shape. Although what was made was illustrated, it is not restricted to this. That is, a connection partner connector (not shown) is fitted so that the terminal 20 and a connection partner terminal (not shown) are connected from one end side of the opposite ends, and the resin mold portion 30 is inserted from the other end side. Other shapes may be used as long as they are.

Next, the resin mold part 30 is demonstrated.
The resin mold part 30 is formed integrally with the extending direction end part 12c of the flat cable 10 so as to cover the joint part 60 between the conductor wiring 11a and the terminal 20.
The resin mold part 30 includes a waterproof mold part 31 that covers the joint part 60 and a holding mold part 32 that covers the flat cable 10 on the inner side in the extending direction of the flat cable 10 compared to the waterproof mold part 31.

The waterproof mold part 31 has a seal member holding part 31a.
The seal member holding part 31a is a groove part formed along the outer periphery of the waterproof mold part 31, and is a part into which an annular seal member 33 made of a rubber material or the like and having elasticity is fitted. The annular seal member 33 is in close contact with the inner wall surface 52f of the connector housing 50 and closes and seals between the connector housing 50 and the waterproof mold portion 31 as a seal portion.

The holding mold part 32 is a part where the flat cable 10 is held. Hold mold part 32 of this is made with a shape to be fitted into the connector housing 50. More specifically, the resin mold portion 30 is erected along the rear end edge 30a of the flange-shaped wall 41 having a rectangular cross-section and two upper edge surfaces 41a of the flange-shaped wall 41. an upper projecting portion 42 protruding from Ueenmen 41a, comprising a pair of lateral projections 43 raised both side edge surfaces 41b or et collision of the flange-like wall 41.

Each upper protrusion 42 of the two upper protrusions 42 has a substantially rectangular parallelepiped shape corresponding to each guide notch 52 a of the connector housing 50. Each upper projection 42 is guided by each guide notch 52a, so that the resin mold portion 30 is inserted into the connector housing 50 while being positioned.

  Each side projection 43 of the pair of side projections 43 has a substantially lance shape and engages with each housing opening 52 b of the connector housing 50. The resin mold portion 30 is fixed at a predetermined position in the connector housing 50 by engaging the side protrusions 43 and the housing openings 52b. That is, the resin mold portion 30 is fixed at a predetermined position in the connector housing 50 by engaging the side protrusions 43 and the housing openings 52b.

  Further, as shown in FIG. 3, the holding mold portion 32 is formed so as to cover the opening portions 14 formed at two locations of the flat cable 10. Furthermore, the holding mold part 32 is formed so as to cover one side 13 a of each notch part 13 in the direction intersecting with the extending direction of the flat cable 10.

Thus, since the holding mold part 32 covers the flat cable 10 on the inner side in the extending direction of the flat cable 10 as compared with the waterproof mold part 31, a tensile force easily acts on the holding mold part 32. On the other hand, it becomes difficult for a tensile force to act on the waterproof mold part 31.
In addition, since the two openings 14 are disposed at the positions covered with the holding mold part 32, the resin forming the holding mold part 32 is embedded in each opening part 14, and the flat cable 10 is formed by the embedded resin. Is held by the holding mold portion 32 against a pulling force. For this reason, the tensile force is more likely to act on the holding mold portion 32, and the tensile force is less likely to act on the waterproof mold portion 31.
Further, since the resin is formed so as to cover one side 13a in the direction intersecting with the extending direction of the flat cable 10 among the sides where the holding mold portion 32 forms the respective cutout portions 13, the resin is covered with the holding mold portion 32. Further, one side 13a of each notch portion 13 functions as a portion hooked to the holding mold portion 32, and the flat cable 10 is held by the holding mold portion 32 against a pulling force.

Next, the manufacturing method of the flat cable waterproof connector 1 is demonstrated using FIG. 4 and FIG. 4 and 5 are views showing a method of manufacturing the flat cable waterproof connector 1 shown in FIG.
First, the worker removes the insulating film 12b at the end 12c in the extending direction of the flat cable 10, exposes the end of each conductor wiring 11a, and exposes the end of each exposed conductor wiring 11a and each terminal 20. Are joined by a method such as ultrasonic welding or pressure bonding (see FIG. 4A).

  Thereafter, the worker integrally molds the resin mold portion 30 on the end portion 12c in the extending direction of the flat cable 10 so as to cover the joint portions 60 of the respective conductor wirings 11a and the respective terminals 20 (see FIG. 4B). The resin mold part 30 is integrally formed with the extending direction end part 12c of the flat cable 10 so that the resin forming the holding mold part 32 is embedded in each opening part 14 and the notch part 13 is formed. Among the sides, one side 13a in a direction intersecting with the extending direction of the flat cable 10 is covered.

  Thereafter, the operator fits the annular seal member 33 into the seal member holding portion 31a (see FIG. 4C).

  Thereafter, the operator inserts the resin mold portion 30 into the connector housing 50 (see FIG. 5D). When the resin mold portion 30 is inserted into the connector housing 50, each upper protrusion 42 is guided by each guide notch portion 52a so that the resin mold portion 30 is inserted while being positioned within the connector housing 10. .

  Thereafter, the worker engages each housing opening 52b of the pair of housing openings 52b with each side protrusion 43 of the resin mold portion 30 (see FIG. 5E). Thereby, the flat cable waterproof connector 1 is completed. By attaching the flat cable 10 to the connector housing 50 in this way, the waterproof mold portion 31 is brought into close contact with the inner wall surface 52f of the connector housing 50 via the annular seal member 33, and the holding mold portion 32 is placed inside the connector housing 50. The flat cable 10 is held by being fitted into the cable.

  The flat cable waterproof connector 1 according to the embodiment of the present invention includes a resin mold portion 30 formed integrally with the extending direction end portion 12c of the flat cable 10 so as to cover the joint portion 60 between the conductor wiring 11a and the terminal 20. The resin mold part 30 has a waterproof mold part 31 that covers the joint part 60 and a holding mold part 32 that covers the flat cable 10 on the far side in the extending direction of the flat cable 10 compared to the waterproof mold 31 part. As a result, a tensile force easily acts on the holding mold portion 32. On the other hand, it becomes difficult for a tensile force to act on the waterproof mold part 31. For this reason, peeling of the waterproof mold part 31 and the flat cable 10 can be prevented, and even if a tensile force acts on the flat cable 10 as a result, a decrease in waterproof performance can be prevented.

  In the flat cable waterproof connector 1 according to the embodiment of the present invention, the waterproof mold portion 31 includes an annular seal member 33 that is in close contact with the inner wall surface 52f of the connector housing 50, and the holding mold portion 32 is connected to the connector. An opening 14 having a shape fitted into the housing 50, and the flat cable 10 is an opening formed in the insulating coating portion 12 and disposed at a position covered by the holding mold portion 32, or an insulating coating Since it is a notch formed at both end portions facing in the short direction of the portion 12 and has a pair of notch portions 13 disposed at a position at least partially covered by the holding mold portion 32, Resin that forms the holding mold portion 32 is embedded in the opening 14 or the cutout portion 13, and the flat resin is embedded by the embedded resin. It is adapted to be held by the holding mold part 32 relative to Le 10 tensile force. For this reason, a tensile force is more likely to act on the holding mold part 32. On the other hand, the tensile force is less likely to act on the waterproof mold portion 31. For this reason, peeling of the waterproof mold part 31 and the flat cable 10 can be prevented, and even if a tensile force acts on the flat cable 10 as a result, a decrease in waterproof performance can be prevented.

  Further, in the flat cable waterproof connector 1 according to the embodiment of the present invention, each notch portion 13 of the pair of notch portions 13 has each side end portion 12a of the side end portion 12a facing each other in the short direction of the insulating coating portion 12. Since the holding mold portion 32 is formed so as to cover one side of each cutout portion 13 in the direction intersecting with the extending direction of the flat cable 10, the holding mold portion 32 is formed. One side of the notch 13 covered with the cap functions as a portion that hooks with the holding mold portion 32, and the flat cable 10 is held by the holding mold portion 32 more strongly against the pulling force.

  Further, in the flat cable waterproof connector 1 according to the embodiment of the present invention, the flat cable 10 has three conductor wirings 11a, and the opening 14 is formed of each conductor wiring 11a of the three conductor wirings 11a. Since it arrange | positions between, the opening part 14 can be arrange | positioned efficiently.

  Further, in the flat cable waterproof connector 1 according to the embodiment of the present invention, since the annular seal member 33 having elasticity is disposed along the outer periphery of the waterproof mold part 31, the waterproof mold part 31 is provided in the connector housing 50. The inner wall surface 52f is securely adhered, and as a result, the waterproof performance can be enhanced.

(Modification)
Here, the modification of embodiment of this invention is demonstrated using FIG. 6 and FIG. FIG. 6 is an exploded perspective view showing a flat cable waterproof connector 2 according to a modification of the embodiment of the present invention. FIG. 7 is a perspective view of the flat cable 70 shown in FIG. 6 and the terminal 20 joined to the flat cable 70.
The flat cable waterproof connector 1 according to the embodiment of the present invention is exemplified by one in which the opening 14 is formed at two positions, one between the conductor wires 11a. 2 differs from the flat cable waterproof connector 1 of the embodiment in that the opening 71 is disposed at both side end portions 12a facing each other in the short direction of the insulating coating portion 12.
Other configurations are the same as those of the embodiment, and the same components as those of the embodiment are denoted by the same reference numerals.
Since such a flat cable waterproof connector 2 is disposed at a position where each opening 71 is covered with the holding mold portion 32, that is, a resin forming the holding mold portion 32 is embedded in each opening 71, and this embedding is performed. Since the flat cable 10 is held by the holding mold portion 32 against the pulling force by the resin thus obtained, the same effects as in the embodiment can be obtained.

  In the flat cable waterproof connectors 1 and 2 according to the embodiment of the present invention, the holding mold portion 32 is erected along the rear end edge 30a of the resin mold portion 30, and the outer shape of the cross section is a rectangular flange-shaped wall. 41, an upper projection 42 projecting from the upper edge surface 41a at two locations on the upper edge surface 41a of the flange-shaped wall 41, and a pair of side projections projected from both side edge surfaces 41b of the flange-shaped wall 41 Although what has the part 43 was illustrated, it is not restricted to this. In other words, the flat cable 10, 70 has a shape that is disposed away from the extending direction end 12 c of the flat cable 10 in the extending direction of the flat cable 10, 70 and is fitted into the connector housing 50. As long as the flat cables 10 and 70 can be held by other shapes, other shapes may be used.

  Moreover, although the flat cable waterproof connectors 1 and 2 of embodiment of this invention illustrated what the flat cables 10 and 70 have the notch part 13 and the opening parts 14 and 71, it is not restricted to this. That is, it is only necessary that the flat cables 10 and 70 are held by the holding mold part 32.

  Moreover, although the flat cable waterproof connectors 1 and 2 concerning embodiment of this invention illustrated what has the rectangular-shaped notch part 13, it does not restrict to this but may form the notch of another shape. Good. For example, it may be a U-shaped notch.

  Moreover, although the flat cable waterproof connectors 1 and 2 concerning embodiment of this invention illustrated what has a part of each notch part 13 covered with the holding mold part 32, it is not restricted to this. For example, the entire cutout portion 13 may be covered with the holding mold portion 32. In this case, the resin of the holding mold part 32 embedded in the notch part 13 functions to hold the flat cables 10 and 70 in the holding mold part 32 against a tensile force.

  Moreover, although the flat cable waterproof connectors 1 and 2 concerning embodiment of this invention illustrated that the opening parts 14 and 71 were formed in one place between each conductor wiring 11a, a total of two places, The number of parts 14 and 71 is not limited to this. That is, it is only necessary that the openings 14 and 71 are provided in at least one place. For example, the openings 14 and 71 may be formed only at one location between the conductor wirings 11a.

  Moreover, although the flat cable waterproof connectors 1 and 2 concerning embodiment of this invention illustrated what the annular seal member 33 was engage | inserted by the seal member holding | maintenance part 31a formed along the outer periphery of the waterproof mold part 31, Not limited to this. That is, the waterproof mold part 31 should just have a waterproof function. For example, if the waterproof mold part 31 is made of a material having a gap embedding property, the annular seal member 33 may not be provided.

  As mentioned above, the invention made by the present inventor has been specifically described based on the embodiment of the invention described above, but the invention is not limited to the embodiment of the invention described above, and departs from the gist thereof. Various changes can be made without departing from the scope.

DESCRIPTION OF SYMBOLS 1, 2 Flat cable waterproof connector 10, 70 Flat cable 11 Conductor part 11a Conductor wiring 12 Insulation coating | cover part 12a Side edge part 12b Insulation film 12c Extension direction edge part 13 Notch part 13a One side 14, 71 Opening part 20 Terminal 20a, 20b End portion 30 Resin mold portion 31 Waterproof mold portion 31a Seal member holding portion 32 Holding mold portion 30a Rear end edge 33 Annular seal member 41 Flange-like wall 41a Upper edge surface 41b Side edge surface 42 Upper protrusion 43 Side protrusion 50 Connector housing 51 First fitting portion 52 Second fitting portion 52a Guide cutout portion 52b Housing opening portion 52c Upper wall 52d Open end 52e Side wall 52f Internal wall surface 60 Joint portion

Claims (5)

Fitted to a mating connector so that the flat cable having an insulation coating portion in which the conductor wiring is covered with an insulating film, the terminal joined to the conductor wiring, and the terminal and the mating terminal are connected Flat cable waterproof connector having a connector housing
A resin mold portion integrally formed at the end portion in the extending direction of the flat cable so as to cover the joint portion between the conductor wiring and the terminal;
The resin mold part is
A waterproof mold portion that covers the joint portion and a holding mold portion that covers the flat cable on the inner side in the extending direction of the flat cable as compared to the waterproof mold portion, and the waterproof mold portion and the holding mold portion are Ri Na is formed integrally,
The holding mold part is
While having a flange-like wall that protrudes more outward than the waterproof mold part,
Without protruding rearward than the rear end portion of the connector housing, and is inserted and arranged so as to close the rear end portion;
Flat cable waterproof connector in which the holding mold part is characterized that you hold the pulling force to the flat cable at the rear end portion of the connector housing. The waterproof mold part is
It has a seal portion that is in close contact with the inner wall surface of the connector housing,
Before notated rat cables,
It is an opening formed in the insulating coating part and is an opening arranged at a position covered by the holding mold part, or a notch formed at both side ends facing in the short direction of the insulating coating part. 2. The flat cable waterproof connector according to claim 1, further comprising a pair of cutout portions disposed at a position where at least a part of the holding mold portion is covered. Each notch of the pair of notches is
A rectangular notch formed on each side end of the side end facing in the short direction of the insulating coating,
The holding mold part is
The flat cable waterproof connector according to claim 2, wherein the flat cable waterproof connector is formed so as to cover one side of each cutout portion in a direction intersecting with an extending direction of the flat cable. The flat cable is
A plurality of the conductor wirings;
The opening is
5. The flat cable waterproof connector according to claim 2, wherein the flat cable waterproof connector is disposed between conductor wires of the plurality of conductor wires. The seal portion is
5. The flat cable waterproof connector according to claim 2, wherein the flat cable waterproof connector is an annular seal member disposed along an outer periphery of the waterproof mold portion and having elasticity.

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