KR102553504B1 - Dummy plug and connector assembly comprising thereof - Google Patents

Abstract

According to the embodiment, the dummy plug is inserted into the dummy hole of the connector housing, and includes a seal mounting rod for being inserted into a through hole formed inside a waterproof seal fitted into the dummy hole; and a fixture protruding outward with respect to a central axis of the rod for mounting the seal and having at least one engaging portion to be caught on an inner wall of the dummy hole.

Description

Dummy plug and waterproof connector assembly including the same {DUMMY PLUG AND CONNECTOR ASSEMBLY COMPRISING THEREOF}

The following description relates to a dummy plug and a waterproof connector assembly including the same.

The waterproof connector assembly configures a circuit by fastening wires and terminals to some connector holes among a plurality of connector holes, and implements waterproofing by inserting waterproof seals into the remaining connector holes.

However, in the case of existing waterproof connector assemblies, when two connector housings equipped with waterproof seals are fastened to each other, or when two waterproof seals are inserted while two connector housings are fastened to each other, there is a gap between the two waterproof seals. As the air pressure in the enclosed space increases, the waterproof seal inserted into the connector hole protrudes or separates from the connector hole, so there is a problem in that waterproofing is not possible.

An object of the embodiment is to provide a dummy plug capable of stably fixing a waterproof seal and a connector assembly including the dummy plug.

According to the embodiment, the dummy plug is inserted into the dummy hole of the connector housing, and includes a seal mounting rod for being inserted into a through hole formed inside a waterproof seal fitted into the dummy hole; and a fixture protruding outward with respect to a central axis of the rod for mounting the seal and having at least one engaging portion to be caught on an inner wall of the dummy hole.

The at least one hooking part may include a first inclined surface inclined toward a central axis of the seal mounting rod in a direction in which the dummy plug is inserted into the dummy hole.

The at least one hooking part further includes a second inclined surface inclined toward a central axis of the seal mounting rod in a direction opposite to a direction in which the dummy plug is inserted into the dummy hole, and the central axis of the seal mounting rod An angle formed between the first inclined surface and the second inclined surface may be smaller than an angle formed between a central axis of the seal mounting rod and the second inclined surface.

The fixture includes a base connected to the rod for mounting the seal; and a plurality of leg portions extending from the base.

The plurality of leg parts may be formed of an elastically deformable material, and may be elastically deformed into a space formed between the plurality of leg parts.

The base may have a stepped shape outwardly with respect to the seal mounting rod.

The plurality of legs include a first leg portion and a second leg portion disposed in a direction facing each other with respect to a central axis of the seal mounting rod, and the at least one hooking portion extends from the first leg portion and a first engaging portion protruding outward with respect to the central axis of the rod for mounting the seal; and a second hooking portion extending from the second leg portion and protruding outward with respect to a central axis of the seal mounting rod.

A first hooking part of the at least one hooking part is disposed on an outer surface of the first leg part of the plurality of leg parts, and the first leg part includes a strain increasing hole formed along at least a part of a circumference of the first hooking part. can include

The strain increasing hole may be formed in a 'c' shape.

The strain increasing hole may be formed with a length of at least 1/2 or more of the circumference of the first hanging part.

The dummy plug may further include a seal slip prevention portion protruding along an outer circumferential surface of the seal mounting rod to prevent the waterproof seal from being pushed when the dummy plug is inserted into the dummy hole.

The dummy plug may further include a handle portion protruding from the rod for attaching the seal so that an operator can hold the dummy plug at an opposite side of the fixture.

According to one embodiment, the connector assembly includes a connector housing including a plurality of connector holes; a waterproof seal inserted into at least some connector holes among the plurality of connector holes and having through-holes therein; and a dummy plug including a fixing body having a rod for attaching a seal inserted into the through hole and at least one hooking part to be caught on an inner wall of the at least some of the connector holes.

An inner wall of the connector hole includes a stepped portion to prevent a terminal inserted into the connector hole from being separated, and when the dummy plug is inserted into the connector hole by a predetermined length or more, the hanging portion is caught on the stepped portion to hold the dummy plug. It can interfere with the departure to the outside.

The connector housing communicates with the connector hole and includes a coupling groove formed in a direction crossing a longitudinal direction of the connector hole, the connector assembly is inserted into the coupling groove, and a terminal inserted into the connector hole A retainer for preventing separation may be further included.

The retainer includes a hole through which the fixture can pass, and when the retainer is inserted into the coupling groove at a first length in a state in which the dummy plug is inserted, the retainer extends to the rear end of the fixture. When the retainer is inserted into the coupling groove with the second length and the dummy plug is not detached due to being caught in the retainer, the hole of the retainer is aligned with the fixing body so that the dummy plug can be detached.

The connector housing further includes a lance unit protruding from an inner wall of the connector hole toward the center of the connector hole to prevent a terminal inserted into the connector hole from being separated, and when the dummy plug is inserted into the connector hole by a predetermined length or more. , The hooking part may be caught on the lance part to interfere with the dummy plug being separated to the outside.

The hooking portion may include a first inclined surface inclined toward a central axis of the seal mounting rod in a direction in which the dummy plug is inserted into the connector hole; and a second inclined surface having a slope opposite to that of the first inclined surface, wherein the slope of the first inclined surface may be gentler than that of the second inclined surface.

According to the embodiment, when coupling between a plurality of connectors, it is possible to guarantee waterproof performance by preventing a problem in which the waterproof seal protrudes or is separated from the hole due to the air pressure inside the connector.

1 is a cross-sectional view of a connector assembly according to one embodiment.
2A is a perspective view of a dummy plug according to an exemplary embodiment.
2B is a side view of a fixture according to an embodiment.
3 is a cross-sectional view of a connector assembly according to one embodiment.
FIG. 4 is an enlarged view of portion A of FIG. 3 .
FIG. 5 is an enlarged view of part B of FIG. 3 .
6 is a cross-sectional view of a connector assembly according to one embodiment.
7 is a perspective view of a fixture according to an embodiment.
8 is a view of FIG. 7 viewed from the top.

Hereinafter, embodiments will be described in detail with reference to the accompanying drawings. However, the scope of the patent application is not limited or limited by these examples. Like reference numerals in each figure indicate like elements.

In addition, in describing the components of the embodiment, terms such as first, second, A, B, (a), and (b) may be used. These terms are only used to distinguish the component from other components, and the nature, order, or order of the corresponding component is not limited by the term. When an element is described as being “connected,” “coupled to,” or “connected” to another element, that element may be directly connected or connected to the other element, but there may be another element between the elements. It should be understood that may be "connected", "coupled" or "connected".

Components included in one embodiment and components having common functions will be described using the same names in other embodiments. Unless stated to the contrary, descriptions described in one embodiment may be applied to other embodiments, and detailed descriptions will be omitted to the extent of overlap.

1 is a cross-sectional view of a connector assembly according to one embodiment. 1 is to help understanding of the present invention, in the connector assembly 1 according to an embodiment, instead of the dummy plug (10, see FIG. 2a) and the waterproof seal (12, see FIG. 3) according to the present invention, the prior art It indicates the state in which the waterproof seals S1 and S2 according to are mounted.

Referring to FIG. 1 , a connector assembly 1 according to an embodiment may include a first connector housing 11, a retainer 13, a second connector housing 15, and a housing seal 17.

The first connector housing 11 includes a plurality of first connector holes, and a first wire W1 having a first terminal T1 is inserted into some of the plurality of first connector holes, and a first wire W1 having a first terminal T1 is inserted into the remaining first connector holes. A first waterproof seal S1 may be inserted. Meanwhile, among the plurality of first connector holes, a first connector hole into which the first wire W1 is not inserted may be referred to as a first dummy hole.

The first connector housing 11 may include coupling grooves that communicate with the connector holes of the dog and are formed in a direction crossing the longitudinal direction of the connector holes.

The retainer 13 is inserted into the coupling groove and interferes with the end of the first terminal T1, thereby preventing the first terminal T1 from coming off. The retainer 13 is, for example, as disclosed in Korean Patent Publication No. 10-2012-0085051, a configuration that functions as a locking part to stably fix the terminal in order to ensure whether the terminal is properly positioned. , a detailed description thereof will be omitted.

The second connector housing 15 includes a plurality of second connector holes, and the second wires W2 equipped with the second terminals T2 are inserted into some of the plurality of second connector holes, and the second wires W2 equipped with the second terminals T2 are inserted into the others. A second waterproof seal S2 may be inserted. Meanwhile, among the plurality of second connector holes, a second connector hole into which the second wire W2 is not inserted may be referred to as a second dummy hole.

The housing seal 17 is disposed between the first connector housing 11 and the second connector housing 15, and foreign matter such as moisture is inserted into the joint between the two connector housings 11 and 15 from the outside. can block it

When the second connector housing 15 is fastened to the first connector housing 11, the second terminal T2 is coupled to the first terminal T1, so that the second wire W2 is connected to the first wire W1. can be electrically connected. Meanwhile, a first waterproof seal S1 and a second waterproof seal S2 are inserted into the first connector hole and the second connector hole into which the first wire W1 and the second wire W2 are not inserted, respectively. By sealing both ends of the first connector hole and the second connector hole communicating with each other, it is possible to prevent foreign substances such as moisture from being inserted through the connector hole.

On the other hand, when the two connector housings 11 and 15 are fastened together, or when the two connector housings 11 and 15 are fastened together and the two waterproof seals S1 and S2 are inserted, the two waterproof As the air pressure in the space enclosed between the seals S1 and S2 rises, when the two waterproof seals S1 and S2 protrude or separate from the connector hole, foreign substances such as moisture may flow in from the outside. there is. In particular, in the process of inserting the wire W1 into the connector hole at the site, the operator applies oil on the sealing member so that the sealing member provided on the outer circumferential surface of the wire W1 can be smoothly inserted. may also be inserted. In the above operation process, oil may be smeared on the waterproof seals S1 and S2, and in this case, the waterproof seals S1 and S2 are more likely to protrude or escape from the connector hole. Hereinafter, a waterproof seal 12 (see FIG. 3) and a dummy plug 10 (see FIG. 2A) capable of solving the above problems will be described.

2A is a perspective view of a dummy plug according to an embodiment, FIG. 2B is a side view of a fixture according to an embodiment, and FIG. 3 is a cross-sectional view of a connector assembly according to an embodiment.

2A to 3 , a connector assembly 1 according to an embodiment includes a connector housing 11, a dummy plug 10, a waterproof seal 12 having a through hole formed therein, and a retainer 13. can include The connector housing 11 may include a plurality of connector holes 111 and a coupling groove into which the retainer 13 is inserted.

A dummy plug 10 according to an embodiment may be inserted into a connector hole 111 into which a wire is not inserted, among a plurality of connector holes 111 . The connector hole 111 into which no wire is inserted can also be referred to as a dummy hole. The dummy plug 10 may include a seal mounting rod 101 , a fixture 102 , a seal slip prevention unit 103 and a handle unit 104 .

The seal mounting rod 101 may be inserted into the through hole of the waterproof seal 12 . In other words, along the outer circumferential surface of the seal mounting rod 101, the waterproof seal 12 may be mounted.

The fixture 102 extends from the seal mounting rod 101 and interferes with the inner wall of the dummy hole 111 to prevent the dummy plug 10 from being separated from the dummy hole 111 . The fixing body 102 may include at least one or more hooking parts 1023 and 1025 that are caught on the inner wall of the dummy hole 111 .

The hooking parts 1023 and 1025 may protrude outward with respect to the central axis of the seal mounting rod 101 and be caught on the inner wall of the dummy hole 111 . The hooking parts 1023 and 1025 may include, for example, a first hooking part 1023 and a second hooking part 1025 protruding in opposite directions with respect to the central axis of the seal mounting rod 101. there is.

The first hooking portion 1023 may include a first inclined surface 1023a inclined toward the central axis of the seal mounting rod 101 in the direction in which the dummy plug 10 is inserted into the dummy hole 111. . The first inclined surface 1023a guides the fixture 102 to easily deform in the process of inserting the dummy plug 10 into the dummy hole 111, and as a result, the dummy plug 10 is formed in the dummy hole 111. ) can be inserted smoothly.

The first hooking portion 1023 may further include a second inclined surface 1023b inclined toward the central axis of the seal mounting rod in a direction opposite to the direction in which the dummy plug 10 is inserted into the dummy hole 111. can In other words, the second inclined surface 1023b may have an inclined direction opposite to that of the first inclined surface 1023a. The second inclined surface 1023b allows a worker to withdraw the dummy plug 10 from the dummy hole 111 without using a separate jig.

Regarding the second inclined surface 1023b, the slope of the first inclined surface 1023a may be gentler than that of the second inclined surface 1023b. In other words, an angle formed between the central axis of the seal mounting rod 101 and the first inclined surface 1023a may be smaller than an angle formed between the central axis of the seal mounting rod 101 and the second inclined surface 1023b. Through the above structure, between the waterproof seal 12 and the inner wall of the connector hole 111, the frictional force generated when the dummy plug 10 is inserted into the connector hole 111 is smaller than the frictional force generated when the dummy plug 10 is withdrawn. can lose Therefore, the operator can insert the dummy plug 10 into the connector hole 111 with a relatively small force, while the dummy plug 10 is pushed into the connector hole 111 by the air pressure generated inside the connector hole 111. escape from it can be prevented.

Unless otherwise stated, the description of the first clasp 1023 may be applied to the second clasp 1025 . Meanwhile, in FIG. 2B, the fixture 102 has been described as including two first hooking parts 1023 and a second hooking part 1025 extending in opposite directions, but unlike this, the fixture 102 It may also include three or more hooking parts extending in different directions. The engaging portion will be described in more detail with reference to FIG. 5 .

The fixture 102 may further include a base 1021 and at least one or more leg parts 1022 and 1024 . In this case, at least one or more hanging parts 1023 and 1025 may be disposed on one or more leg parts 1022 and 1024 .

The base 1021 may be connected to the rod 101 for mounting the seal. It may include a base 1021, a plurality of leg parts 1022 and 1024 extending from the base 1021, and The base 1021 may have a stepped shape outwardly with respect to the seal mounting rod 101 . The base 1021 will be described in more detail with reference to FIG. 5 .

The leg portions 1022 and 1024 may be formed of a material and/or structure capable of being elastically deformed toward the central axis of the seal mounting rod 101 . The leg parts 1022 and 1024 may include a first leg part 1022 and a second leg part 1024 disposed in different directions with respect to the central axis of the seal mounting rod 101 . For example, as shown in FIG. 2B , the first leg portion 1022 and the second leg portion 1024 may be disposed in parallel in directions facing each other. Meanwhile, unlike FIG. 2B , the leg portions 1022 and 1024 may include three or more leg portions disposed in different directions, or may be composed of only one leg portion.

The plurality of leg parts 1022 and 1024 are elastically deformed into a space formed between the plurality of leg parts, so that the dummy plug 10 can be smoothly inserted into the dummy hole 111 .

The aforementioned first hooking part 1023 extends from the first leg part 1022 and may protrude outward with respect to the central axis of the seal mounting rod 101, and the second hooking part 1025 It is also the same.

On the other hand, the fixture 102 extends from the seal mounting rod 101 and has a structure that protrudes outward with respect to the central axis of the seal mounting rod 101, and is caught on the inner wall of the dummy hole 111. Including wealth is enough. For example, the fixture 102 may not have a base 1021 or legs 1022 and 1024 as shown in FIG. 2B and the like, and extends directly from the seal mounting rod 101. It may also include a hanging part. Note that the shape of the fixture 102 is not limited to the shape shown in FIG. 2B.

The seal slip prevention part 103 protrudes along the outer circumferential surface of the seal mounting rod 101, and in the process of inserting the dummy plug 10 into the dummy hole 111, the dummy hole 111 has a contact with the inner wall. It is possible to prevent the waterproof seal 12 from being pushed by frictional force.

The handle part 104 is provided on the opposite side of the fixed body 102 of the seal mounting rod 101 and may protrude from the seal mounting rod 101 so that the operator can grip it. The operator may operate the dummy plug 10 by directly gripping the handle part 101 or applying force by gripping the space formed between the handle part 101 and the seal slip prevention part 103 .

FIG. 4 is an enlarged view of portion A of FIG. 3 .

Referring to FIG. 4 , the dummy plug 10 according to an exemplary embodiment may further include a seal fixing protrusion 105 . The seal fixing protrusion 105 is engaged with the inner wall of the through hole 121 formed inside the waterproof seal 12, so that the waterproof seal 12 can be maintained at a constant position on the seal mounting rod 101. .

FIG. 5 is an enlarged view of part B of FIG. 3 .

Referring to FIG. 5 , the base 1021 of the dummy plug 10 may be stepped outward from the seal mounting rod 101 . Accordingly, the base 1021 can prevent the dummy plug 10 from being separated from the connector hole 111 by being caught by the retainer 13 as will be described later.

The retainer 13 may include a hole through which the fixture 102 may pass. In the initial position of the retainer 13, the hole of the retainer 13 and the connector hole 111 are aligned on the same line so that the dummy plug 10 passes through the hole of the retainer 13 and the connector hole 111 ) can be inserted into or out of. With the dummy plug 10 inserted in the initial position of the retainer 13, when the retainer 13 is moved to a locking position, the hole of the retainer 13 deviates from the same line, and the retainer ( The hole of 13) and the connector hole 111 may be displaced from each other. In other words, the hole of the retainer 13 and the connector hole 111 may be arranged to have a step difference from each other. As described above, when the retainer 13 is in the locking position, one side of the base 1021 is hooked to the other side of the retainer 13, so that the dummy plug 10 can be prevented from being separated from the connector hole 111. In other words, in a state where the dummy plug 10 is inserted into the connector hole 111, when the retainer 13 is inserted into the coupling groove communicating with the connector hole 111 at a first length, the retainer 13 is inserted into the base ( 1021, so that the dummy plug 10 cannot be separated. Meanwhile, when the retainer 130 is inserted into the coupling groove with a second length different from the first length, the hole of the retainer 130 is aligned with the base 1021 and the dummy plug 10 can be separated.

Meanwhile, even when the retainer 13 is not present, the dummy plug 10 can be prevented from being separated from the connector hole 111 according to the following structure.

The hooking portion 1023 of the dummy plug 10 is caught on the inner wall 112 of the connector hole 111 to prevent the dummy plug 10 from being separated from the connector hole 111 .

The inner wall 112 of the connector hole 111 may include a stepped portion 112a to prevent a terminal inserted into the connector hole 111 from being separated. As shown in the connector hole 111 located on the upper side of FIG. 3, the stepped portion 112a is a portion where a lance protruding from the terminal is caught when a wire equipped with a terminal is inserted, and the wire escapes to the outside. part to prevent it. A connector housing of this type may be referred to as a “terminal lance type”.

In the process of inserting the dummy plug 10 instead of the wire into the connector hole 111, the leg portion 1022 is elastically deformed so that the hooking portion 1023 crosses the stepped portion 112a, and the leg portion 1022 moves again. When elastically restored, the locking portion 1023 is caught on the stepped portion 112a, thereby preventing the dummy plug 10 from escaping to the outside.

In other words, when the dummy plug 10 is inserted into the connector hole 111 by a certain length or more, the hooking portion 1023 is caught on the stepped portion 112a and may interfere with the dummy plug 10 being separated to the outside.

In summary, according to an embodiment, the dummy plug 10 is removed from the connector hole 111 by the interference structure of the retainer 13 and the stepped portion 112a, and the base 1021 and the hooking portion 1023, respectively. It can be prevented in two ways from escaping. In addition, even when the retainer 13 is not present, the dummy plug 10 can be prevented from being separated from the connector hole 111 by the interference structure of the stepped portion 112a and the hooking portion 1023 . In other words, according to an embodiment, the dummy plug 10 can be applied to various types of connector housings.

6 is a cross-sectional view of a connector assembly according to one embodiment.

Referring to FIG. 6 , the connector housing 11 protrudes from the inner wall of the connector hole 111 toward the center of the connector hole 111 to prevent a terminal inserted into the connector hole 111 from being separated. (113). A connector housing of this type may be referred to as a “housing lance type”.

When the dummy plug 10 is inserted into the connector hole 111 by a certain length or more, the hooking portion 1023 may be caught on the lance portion 113 to interfere with the dummy plug 10 being separated to the outside. In other words, the dummy plug 10 can be used not only for the connector housing of the terminal lance type shown in FIG. 5 but also for the connector housing of the housing lance type shown in FIG. 6 .

7 is a perspective view of a fixture according to an embodiment, and FIG. 8 is a top view of FIG. 7 .

7 and 8, a fixture 202 according to an embodiment is disposed on a base 2021, a leg part 2022 extending from the base 2021, and an outer surface of the leg part 2022. It may include a hooking portion 2023 to be.

The leg part 2022 may include a strain increasing hole 2022a for improving the flexibility of the hooking part 2023 . The strain increasing hole 2022a may be formed along at least a part of the circumference of the hooking portion 2023 . For example, the strain increasing hole 2022a may be formed in a 'c' shape. For example, the strain increasing hole may be formed with a length of at least 1/2 or more of the circumference of the hanging portion 2023 .

According to the embodiment, when coupling between a plurality of connectors, it is possible to guarantee waterproof performance by preventing a problem in which the waterproof seal protrudes or is separated from the hole due to the air pressure inside the connector.

As described above, although the embodiments have been described with limited drawings, those skilled in the art can make various modifications and variations from the above description. For example, the described techniques are performed in a different order from the described method, or components such as the described structures and/or devices are combined or combined in a different form than the described method, or other components or equivalents are used. Appropriate results can be achieved even if they are substituted or substituted.

Therefore, other implementations, other embodiments, and equivalents of the claims are within the scope of the following claims.

Claims (18)

For a dummy plug inserted into a dummy hole of a connector housing,
a seal mounting rod to be inserted into a through hole formed inside the waterproof seal inserted into the dummy hole; and
A base connected to the seal mounting rod, a plurality of legs extending from the base and spaced apart from each other, and protruding outward from each of the plurality of legs with respect to the central axis of the seal mounting rod, the dummy Including a fixture including at least one or more hooking parts for hanging on the inner wall of the hole,
A space formed between the plurality of leg portions is opened relative to a central axis direction of the seal mounting rod.
According to claim 1,
The at least one or more hanging parts,
A dummy plug comprising a first inclined surface inclined toward a central axis of the seal mounting rod in a direction in which the dummy plug is inserted into the dummy hole.
According to claim 2,
The at least one or more hanging parts,
a second inclined surface inclined toward a central axis of the seal mounting rod in a direction opposite to a direction in which the dummy plug is inserted into the dummy hole;
An angle formed between a central axis of the seal mounting rod and the first inclined surface is smaller than an angle formed between a central axis of the seal mounting rod and the second inclined surface.
delete According to claim 1,
The plurality of leg portions are formed of an elastically deformable material, and the dummy plug is elastically deformable into a space formed between the plurality of leg portions.
According to claim 1,
The base is a dummy plug having a stepped shape outwardly with respect to the seal mounting rod.
According to claim 1,
The plurality of legs include a first leg portion and a second leg portion disposed in a direction facing each other with respect to the central axis of the seal mounting rod,
The at least one or more hanging parts,
a first hooking portion extending from the first leg portion and protruding outward with respect to the central axis of the seal mounting rod; and
A dummy plug including a second hooking portion extending from the second leg portion and protruding outward with respect to a central axis of the seal mounting rod.
According to claim 1,
A first hooking part among the at least one hooking part is disposed on an outer surface of the first leg part among the plurality of leg parts,
The first leg part includes a strain increasing hole formed along at least a part of a circumference of the first hooking part.
According to claim 8,
The strain increasing hole is a dummy plug formed in a 'c' shape.
According to claim 8,
The dummy plug has a length of at least 1/2 or more of the circumference of the first hooking portion.
According to claim 1,
and a seal slip prevention portion protruding along an outer circumferential surface of the seal mounting rod to prevent the waterproof seal from being pushed when the dummy plug is inserted into the dummy hole.
According to claim 1,
The dummy plug further includes a handle provided on an opposite side of the fixture and protruding from the rod for attaching the seal so that a worker can hold the dummy plug.
A connector housing including a plurality of connector holes;
a waterproof seal inserted into at least some connector holes among the plurality of connector holes and having through-holes therein; and
A dummy plug including a rod for attaching a seal inserted into the through hole and a fixing body caught on an inner wall of the at least some of the connector holes;
The fixture is
a base connected to the seal mounting rod;
a plurality of leg parts extending from the base and spaced apart from each other; and
At least one or more hooking parts protruding outward from each of the plurality of leg parts with respect to the central axis of the seal mounting rod,
A connector assembly in which a space formed between the plurality of leg portions is open based on a central axis direction of the seal mounting rod.
According to claim 13,
An inner wall of the connector hole includes a stepped portion for preventing a terminal inserted into the connector hole from being separated,
When the dummy plug is inserted into the connector hole by a predetermined length or more, the hooking part is caught on the stepped part and interferes with the dummy plug being detached to the outside.
According to claim 13,
The connector housing includes a coupling groove that communicates with the connector hole and is formed in a direction crossing a longitudinal direction of the connector hole,
The connector assembly further comprises a retainer inserted into the coupling groove and preventing the terminal inserted into the connector hole from being separated.
According to claim 15,
The retainer includes a hole through which the fixture can pass,
With the dummy plug inserted,
When the retainer is inserted into the coupling groove to a first length, the retainer is caught on the rear end of the fixing body and the dummy plug cannot be separated.
When the retainer is inserted into the coupling groove to a second length, a hole of the retainer is aligned with the fixing body so that the dummy plug can be separated.
According to claim 13,
The connector housing further includes a lance unit protruding from an inner wall of the connector hole toward the center of the connector hole to prevent a terminal inserted into the connector hole from being separated,
When the dummy plug is inserted into the connector hole by a predetermined length or more, the hooking part is caught on the lance part and interferes with the dummy plug being detached to the outside.
According to claim 13,
The hanging part,
a first inclined surface inclined toward a central axis of the seal mounting rod in a direction in which the dummy plug is inserted into the connector hole; and
And a second inclined surface having an inclination in the opposite direction to the inclination of the first inclined surface,
The first inclined surface has a more gentle slope than the second inclined surface.

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