JP3206099B2 - Tubular member mounting structure - Google Patents
Tubular member mounting structureInfo
- Publication number
- JP3206099B2 JP3206099B2 JP12176892A JP12176892A JP3206099B2 JP 3206099 B2 JP3206099 B2 JP 3206099B2 JP 12176892 A JP12176892 A JP 12176892A JP 12176892 A JP12176892 A JP 12176892A JP 3206099 B2 JP3206099 B2 JP 3206099B2
- Authority
- JP
- Japan
- Prior art keywords
- holding
- tubular member
- small
- diameter portion
- small diameter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Description
【０００１】[0001]
【産業上の利用分野】本発明は、管状部材取付構造に関
し、特に車両用空調装置の蒸発器から流出する凝縮水を
排出するドレンホースの取付構造に用いて有効である。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a tubular member mounting structure, and is particularly effective for use in a drain hose mounting structure for discharging condensed water flowing out of an evaporator of a vehicle air conditioner.
【０００２】[0002]
【従来の技術】従来より、自動車用空調装置の冷凍サイ
クルに用いられる冷媒蒸発器においては、この冷媒蒸発
器の内部を通過する冷媒が、冷媒蒸発器を通過する空気
と熱交換して空気を冷却する。この時、空気中の水分が
結露して凝縮水となり、冷媒蒸発器の表面に付着し、流
れ落ちる。2. Description of the Related Art Conventionally, in a refrigerant evaporator used in a refrigeration cycle of an automotive air conditioner, a refrigerant passing through the refrigerant evaporator exchanges heat with air passing through the refrigerant evaporator to convert the air. Cooling. At this time, water in the air is condensed to form condensed water, adheres to the surface of the refrigerant evaporator, and flows down.
【０００３】冷媒蒸発器の下方には、凝縮水を受け取る
ドレンパンが設けてあり、このドレンパンには、凝縮水
を車室外に排出するドレンホースが設けられている。冷
媒蒸発器は車室内側に設けられており、この冷媒蒸発器
から発生する凝縮水を車室外に排出するために、ドレン
ホースによりエンジンルーム側へと導く。[0003] A drain pan for receiving condensed water is provided below the refrigerant evaporator. The drain pan is provided with a drain hose for discharging the condensed water out of the vehicle compartment. The refrigerant evaporator is provided inside the vehicle compartment, and the condensed water generated from the refrigerant evaporator is guided to the engine room side by a drain hose in order to discharge the water outside the vehicle compartment.
【０００４】このドレンホースを車室内からエンジンル
ーム側へ取り出す際に、車室内とエンジンルームとを隔
てる壁（ボディパネル）に貫通された挿通孔から通し、
かつ装着するために一対の挟持片を持つグロメットを用
いる。When the drain hose is taken out of the vehicle compartment to the engine room side, the drain hose is passed through an insertion hole penetrated through a wall (body panel) separating the vehicle room and the engine room,
A grommet having a pair of holding pieces is used for mounting.
【０００５】ドレンホースとグロメットとを一体成形に
て製作したものを挿通孔に通し、エンジンルーム側から
引っ張ることで、グロメットの挟持片がボディパネルの
挿入孔に嵌まり、固定する構造のものがある。A structure in which a drain hose and a grommet manufactured by integral molding are passed through an insertion hole and pulled from an engine room side, whereby a holding piece of the grommet is fitted into an insertion hole of a body panel and fixed. is there.
【０００６】しかし、ドレンホースの形状の複雑化（３
次元化）に伴い、ドレンホースとグロメットとを一体成
形することができない形状のものがあり、この場合は、
ドレンホースとグロメットとを別々に製造して取り付け
なければならない。However, the shape of the drain hose becomes complicated (3.
In some cases, the drain hose and grommet cannot be integrally molded.
The drain hose and grommet must be manufactured and installed separately.
【０００７】[0007]
【発明が解決しようとする課題】上記の如く、ドレンホ
ースとグロメットとを別々に製造するドレンホースの取
付構造においては、ドレンホースが、挿通孔を経て車室
内からエンジンルーム側へ引き出され、その後、エンジ
ンルーム側からグロメットを挿通孔に取り付け、ボディ
パネルの挿入孔に対してホースを所定位置に装着すると
いう作業性の悪い作業順序をとらざるを得なかった。ま
た、ホースを所定位置に装着する位置が一義的に決まら
ず、位置決めの作業が容易では無い。As described above, in the drain hose mounting structure for separately manufacturing the drain hose and the grommet, the drain hose is pulled out of the vehicle compartment through the insertion hole to the engine room side, and thereafter, In this case, the grommet must be attached to the insertion hole from the engine room side, and the hose must be mounted at a predetermined position with respect to the insertion hole of the body panel. Further, the position at which the hose is mounted at the predetermined position is not uniquely determined, and the positioning operation is not easy.
【０００８】そこで、本発明は、壁に設けられた挿入孔
にホースを挿入して固定する作業において、作業性の良
いホース取付構造を提供することを目的とする。Accordingly, an object of the present invention is to provide a hose mounting structure with good workability in a work of inserting and fixing a hose into an insertion hole provided in a wall.
【０００９】[0009]
【課題を解決するための手段】本発明は、上記目的を達
成するために、外径面までの半径が小さい小径部、外径
面までの半径が前記小径部より大きい大径部、および前
記小径部と前記大径部を連結する連結部を有する円筒状
の管状部材と、取付対象部材に設けられた挿入孔に対
し、この挿入孔の縁を挟持する一対の挟持片、および前
記管状部材の小径部が通る保持孔を有する保持部材と、
前記保持部材の保持孔に前記小径部側から前記管状部材
を挿通した状態において、前記挟持片の一方が、前記管
状部材の連結部と当接する当接面とを有する管状部材取
付構造に対して以下のような構成を備えたことを特徴と
したものである。 Means for Solving the Problems The present invention, in order to achieve the above object, the small diameter portion having a small radius to the radially outer surface greater large diameter portion radius than the small diameter portion to an outer diameter surface, and a front A cylindrical tubular member having a connecting portion for connecting the small diameter portion and the large diameter portion, and a pair of holding pieces for holding an edge of the insertion hole with respect to an insertion hole provided in a member to be mounted. a holding member having a holding hole in which the small-diameter portion passes of and prior <br/> Symbol tubular member,
In a state where the tubular member is inserted through the holding hole of the holding member from the small-diameter portion side, one of the holding pieces has a contact surface that comes into contact with a connecting portion of the tubular member.
The following features are provided for the attachment structure.
It was done.
【００１０】すなわち、請求項１に記載の発明では、前
記挟持片の他方が、対向する挟持片側に向かうに従い外
径が大きくなるテーパ形状を有するという構成を備えた
ものである。 また、請求項２に記載の発明では、前記保
持部材の保持孔の内周面に突起部を設けたという構成を
備えたものである。 また、請求項３に記載の発明では、
前記挟持片の外周縁に、対向する挟持片側に向けて突出
する薄肉の断面形状のエッジ部を有するという構成を備
えたものである。 また、請求項４に記載の発明では、前
記管状部材の連結部と接する側の前記挟持片の外径が、
他方の前記挟持片の外径よりも大きいという構成を備え
たものである。 また、請求項５に記載の発明では、前記
管状部材の連結部の外径が、前記小径部から前記大径部
に向かうに従い徐々に大きくなるテーパ形状を有すると
いう構成を備えたものである。 また、請求項６に記載の
発明では、前記管状部材の前記小径部、前記大径部、前
記連結部の肉厚が略均一であるという構成を備えたもの
でる。 That is, in the first aspect of the present invention,
As the other of the holding pieces moves toward the opposite holding piece,
Equipped with a configuration that has a tapered shape with a large diameter
Things. Further, in the invention described in claim 2, the protection
The configuration in which a projection is provided on the inner peripheral surface of the holding hole of the holding member
It is provided. In the invention according to claim 3,
Projecting toward the opposing holding piece side on the outer peripheral edge of the holding piece
With a thin cross-sectional edge
It is a thing. In the invention according to claim 4,
The outer diameter of the holding piece on the side in contact with the connecting portion of the tubular member,
A configuration that is larger than the outer diameter of the other holding piece.
It is a thing. Further, in the invention according to claim 5,
The outer diameter of the connecting portion of the tubular member is changed from the small diameter portion to the large diameter portion.
With a tapered shape that gradually increases as
It is provided with such a configuration. Further, according to claim 6
In the invention, the small-diameter portion, the large-diameter portion, and the
With a configuration in which the thickness of the connecting portion is substantially uniform
Out.
【００１１】[0011]
【作用】上記構成よりなる請求項１に記載の発明の管状
部材取付構造によれば、保持部材の保持孔に管状部材の
小径部を通し、保持部材の挟持片の一方の当接面が管状
部材の連結部と接して止まるまで管状部材を挿入して保
持部材と管状部材とを連結する。保持部材と管状部材と
を連結した後、小径部側から取付対象部材に設けられた
挿入孔に管状部材を通す。保持部材の一対の挟持片が挿
入孔の縁に挟まり、挟持するまで小径部側を引っ張るこ
とで管状部材が挿入孔に固定され、同時に位置決めされ
る。そして、挟持片の他方が、対向する挟持片に向かう
に従い外形が大きくなるテーパ形状を有しているので、
保持部材が取付対象部材の挿入孔に入り易い。 According to the tubular member mounting structure according to the first aspect of the present invention, the small-diameter portion of the tubular member is passed through the holding hole of the holding member, and one of the holding surfaces of the holding piece of the holding member has a tubular shape. The holding member and the tubular member are connected by inserting the tubular member until it stops in contact with the connecting portion of the member. After connecting the holding member and the tubular member, the tubular member is passed through the insertion hole provided in the attachment target member from the small diameter portion side. The pair of holding pieces of the holding member are sandwiched between the edges of the insertion hole, and the tubular member is fixed to the insertion hole by pulling the small-diameter portion until it is sandwiched, and is positioned at the same time. And the other of the holding pieces faces the opposite holding piece.
Has a tapered shape whose outer shape increases according to
The holding member easily enters the insertion hole of the member to be mounted.
【００１２】また、請求項２に記載の発明の管状部材取
付構造によれば、保持部材の保持孔の内周面に突起部を
設けているので、管状部材と保持部材とが密着固定され
る。 また、請求項３に記載の発明の管状部材取付構造に
よれば、挟持片の外周縁に、対向する挟持片側に向けて
突出する薄肉の断面形状のエッジ部を有しているので、
挟持片による取付対象部材の挿入孔の保着能力が向上す
る。 Further, according to the second aspect of the present invention, there is provided a tubular member housing.
According to the attachment structure, the protrusion is formed on the inner peripheral surface of the holding hole of the holding member.
Since it is provided, the tubular member and the holding member are tightly fixed.
You. Further, in the tubular member mounting structure according to the third aspect of the present invention,
According to the outer peripheral edge of the holding piece, toward the opposite holding piece side
Because it has a protruding thin cross-sectional edge,
The holding capacity of the insertion hole of the mounting target member by the holding piece is improved.
You.
【００１３】[0013]
【実施例】以下、本発明の実施例を図面と共に説明す
る。本発明の管状部材取付構造を車両用空調装置に適用
した一実施例を、図１〜図３に示す。Embodiments of the present invention will be described below with reference to the drawings. One embodiment in which the tubular member mounting structure of the present invention is applied to a vehicle air conditioner is shown in FIGS.
【００１４】図３に示すように、車両用空調装置におけ
る冷却ユニット４２が冷凍サイクルの冷媒蒸発器（図示
省）を内蔵すると共に車室Ａ内に配置され、車室Ａとエ
ンジンルームＢとを区画するボディパネル４０に取り付
けられている。Ｂはエンジンルームを示す。冷却ユニッ
ト４２の底部には冷媒蒸発器から排出される凝縮水（ド
レン水）を排出するドレンパイプ４４が設けられ、この
ドレンパイプ４４にはドレンホース１０が結合され、こ
のドレンホース１０はグロメット２０を介して、ボディ
パネル４０を貫通し、エンジンルームＢ側に延長され、
ここから車室外へドレン水を排出する。As shown in FIG. 3, a cooling unit 42 in a vehicle air conditioner incorporates a refrigerant evaporator (not shown) of a refrigeration cycle and is disposed in a vehicle compartment A. It is attached to the body panel 40 which partitions. B indicates an engine room. At the bottom of the cooling unit 42, a drain pipe 44 for discharging condensed water (drain water) discharged from the refrigerant evaporator is provided. The drain pipe 10 is connected to the drain hose 10, and the drain hose 10 is connected to the grommet 20. Through the body panel 40 and extended to the engine room B side,
Drain water is discharged from here to the outside of the cabin.
【００１５】また、冷却ユニット４２には高圧配管４８
が配設されており、この高圧配管４８には、冷凍サイク
ルを形成する受液器（図示省）からの液冷媒が流入して
いる。この配管４８は、グロメット５０を介して車室内
Ａに突出し、冷媒蒸発器の入口側配管４６とねじ結合し
ている。A high pressure pipe 48 is connected to the cooling unit 42.
A liquid refrigerant from a receiver (not shown) that forms a refrigeration cycle flows into the high-pressure pipe 48. The pipe 48 protrudes into the vehicle interior A via the grommet 50 and is screwed to the inlet pipe 46 of the refrigerant evaporator.
【００１６】冷却ユニット４２の低圧配管５２は、グロ
メット５４を介してボディパネル４０を貫通してエンジ
ンルームＢ側に突出し、ここで圧縮機の吸入側配管５６
とねじ結合している。The low-pressure pipe 52 of the cooling unit 42 penetrates the body panel 40 through the grommet 54 and protrudes to the engine room B side.
And screw connection.
【００１７】本発明は、特にドレンホース１０をグロメ
ット２０を介してボディパネル４０へ取り付ける際の取
り付け構造に関する。ドレンホース１０とグロメット２
０の詳細図を図１と図２に示す。The present invention particularly relates to a mounting structure for mounting the drain hose 10 to the body panel 40 via the grommet 20. Drain hose 10 and grommet 2
1 and 2 are shown in FIGS.
【００１８】図１は、ドレンホース１０とグロメット２
０を嵌め合わせる際の要部断面図、図２は、ドレンホー
ス１０とグロメット２０を嵌め合わせ、ボディパネル４
０に取り付けた際の要部断面図を示す。FIG. 1 shows a drain hose 10 and a grommet 2
FIG. 2 is a cross-sectional view of a main part when fitting the drain hose 10 and the grommet 20 together.
FIG. 2 shows a cross-sectional view of a main part when attached to a zero.
【００１９】ドレンホース１０は、中心からの半径が小
さい小径部１２と、中心からの半径が小径部１２よりも
大きい大径部１４と、小径部１２と大径部１４との間の
斜めに形成されたテーパ部１６とからなり、柔軟なゴム
などで一体に形成されている。The drain hose 10 has a small-diameter portion 12 having a small radius from the center, a large-diameter portion 14 having a larger radius from the center than the small-diameter portion 12, and an oblique portion between the small-diameter portion 12 and the large-diameter portion 14. The tapered portion 16 is formed, and is integrally formed of flexible rubber or the like.
【００２０】ドレンホース１０の小径部１２は、ボディ
パネル４０に設けられたドレンホースの挿入孔の径より
も小さく形成してあり、大径部１４は、前記挿入孔より
も大きく形成してある。なお、ドレンホース１０のテー
パ部１６は、大径部１４の外周面に対して角度αに形成
されている。The small diameter portion 12 of the drain hose 10 is formed smaller than the diameter of the insertion hole of the drain hose provided in the body panel 40, and the large diameter portion 14 is formed larger than the insertion hole. . In addition, the tapered portion 16 of the drain hose 10 is formed at an angle α with respect to the outer peripheral surface of the large diameter portion 14.
【００２１】また、ドレンホース１０の小径部１２と、
大径部１４とは、略平行に形成されている。グロメット
２０は、外周側に大小二つの相対向した挟持片２２、２
４と中心に設けられた保持孔２９を有し、柔軟で水、油
等に対するシール機能を持ったゴム等から形成される。The small diameter portion 12 of the drain hose 10
The large diameter portion 14 is formed substantially parallel. The grommet 20 has two large and small opposed holding pieces 22, 2 on the outer peripheral side.
4 and a holding hole 29 provided at the center, and is made of rubber or the like which is flexible and has a sealing function for water, oil and the like.
【００２２】大きい方の第１挟持片２２は、径外周方向
に形成された外周部２２１と保持孔２９の方向に形成さ
れた内周部２２２とからなり、外周部２２１の外周縁に
は、相対する小さい方の挟持片２４側に突出した薄肉の
断面形状のエッジ部３４が形成されている。The larger first holding piece 22 is composed of an outer peripheral portion 221 formed in the radial outer peripheral direction and an inner peripheral portion 222 formed in the direction of the holding hole 29, and an outer peripheral edge of the outer peripheral portion 221 has An edge portion 34 having a thin cross-sectional shape protruding toward the opposing smaller holding piece 24 is formed.
【００２３】また、第１挟持片２２の外径は、ボディパ
ネル４０に設けられた挿入孔の外径よりも大きく形成し
てある。一方、小さい方の第２挟持片２４は、第１挟持
片と連結する連結部２３を介して、第１挟持片２２と対
向している。まか、第２挟持片２４の対向する第１挟持
片側の面２４３は、平面状に形成されているが、第１挟
持片２２に設けたエッジ部３４と同様に、対向する第１
挟持片２２側に突出したエッジを設けてもよい。Further, the outer diameter of the first holding piece 22 is formed larger than the outer diameter of the insertion hole provided in the body panel 40. On the other hand, the smaller second holding piece 24 faces the first holding piece 22 via the connecting portion 23 connected to the first holding piece. The surface 243 on the first holding piece side of the second holding piece 24 is formed in a planar shape, but like the edge portion 34 provided on the first holding piece 22,
An edge protruding toward the holding piece 22 may be provided.
【００２４】第２挟持片２４の外周面２４１は、第２挟
持片２４の端部２４２側から第１挟持片２２側に向けて
外周方向に斜めに形成されている。この一対の挟持片２
２、２４および連結部２３で形成されるグロメット２０
の保持孔２９を形成する内周面は、第１挟持片２２側内
周の斜めに形成されたテーパ面２８と、第２挟持片２４
側内周に、ドレンホース１０の小径部１２と平行に成る
ように形成された内面２６とからなる。この内面２６の
全周に、２つの突起部３２が形成されている。The outer peripheral surface 241 of the second holding piece 24 is formed obliquely in the outer circumferential direction from the end 242 side of the second holding piece 24 to the first holding piece 22 side. This pair of holding pieces 2
Grommet 20 formed by 2, 24 and connecting portion 23
The inner peripheral surface on which the holding hole 29 is formed has a tapered surface 28 formed obliquely on the inner periphery of the first holding piece 22 and the second holding piece 24.
An inner surface 26 formed on the side inner periphery so as to be parallel to the small diameter portion 12 of the drain hose 10. Two protrusions 32 are formed on the entire circumference of the inner surface 26.
【００２５】また、第１挟持片２２側内周のテーパ面２
８は、内周２６に対して角度βに形成されている。な
お、ドレンホース１０のテーパ部１６の角度αは、グロ
メット２０のテーパ面２８の角度β以上に成るように形
成されている。また、連結部２３の外周は、ボディパネ
ル４０に設けられた挿入孔の大きさに合わせて形成して
ある。また、第２挟持片２４の端部２４２の外周は、ボ
ディパネル４０の挿入孔の大きさ以下に形成してある。The tapered surface 2 on the inner periphery of the first holding piece 22 side
8 is formed at an angle β with respect to the inner circumference 26. The angle α of the tapered portion 16 of the drain hose 10 is formed to be equal to or larger than the angle β of the tapered surface 28 of the grommet 20. The outer periphery of the connecting portion 23 is formed in accordance with the size of an insertion hole provided in the body panel 40. The outer circumference of the end 242 of the second holding piece 24 is formed to be smaller than the size of the insertion hole of the body panel 40.
【００２６】次に、上記の如く形成されたドレンホース
１０およびグロメット２０の取り付けを、図１、図２及
び図３に基づき説明する。まず、図１に示す如く、ドレ
ンホース１０を小径部１２側の端部からグロメット２０
の第１挟持片２２側より保持孔２９に挿入する。Next, the mounting of the drain hose 10 and the grommet 20 formed as described above will be described with reference to FIGS. 1, 2 and 3. First, as shown in FIG. 1, the drain hose 10 is connected to the grommet 20 from the end on the small diameter portion 12 side.
Is inserted into the holding hole 29 from the first holding piece 22 side.
【００２７】図２の如く、グロメット２０にドレンホー
ス１０を挿入していくと、テーパ部１６とテーパ面２８
とが接触し、ドレンホース１０のテーパ部１６がグロメ
ット２０のテーパ面２８に嵌まることで固定される。When the drain hose 10 is inserted into the grommet 20 as shown in FIG.
And the tapered portion 16 of the drain hose 10 fits into the tapered surface 28 of the grommet 20 and is fixed.
【００２８】なお、この時、ドレンホース１０のテーパ
面１６の角度αは、グロメット２０のテーパ面２８の角
度βよりも大きく形成してあるために、強く引っ張れば
引っ張る程、所定の位置で確実に固定される。At this time, since the angle α of the tapered surface 16 of the drain hose 10 is formed to be larger than the angle β of the tapered surface 28 of the grommet 20, the more strongly it is pulled, the more surely the predetermined position becomes. Fixed to
【００２９】上記の如くグロメット２０を嵌め合わされ
たドレンホース１０を、図３に示す如く、車室内Ａ側よ
りボディパネル４０に設けられた挿入孔に挿入して、エ
ンジンルームＢ側に突出させる。As shown in FIG. 3, the drain hose 10 fitted with the grommet 20 as described above is inserted into the insertion hole provided in the body panel 40 from the vehicle interior A side, and is projected to the engine room B side.
【００３０】ドレンホース１０の小径部１２側よりボデ
ィパネル４０の挿入孔に挿入していくので、グロメット
２０においては、第２挟持片２４側より挿入される。第
２挟持片２４は、上述の如く、外周面２４１を斜めに形
成してあり、かつ、第２挟持片２４の端部２４２の外周
がボディパネル４０の挿入孔の大きさ以下に形成してあ
るので、小径部１２側より引っ張った際にボディパネル
４０の挿入孔に嵌まり易い。The grommet 20 is inserted into the grommet 20 from the second holding piece 24 side since the small diameter portion 12 of the drain hose 10 is inserted into the insertion hole of the body panel 40. As described above, the second holding piece 24 has the outer peripheral surface 241 formed obliquely, and the outer circumference of the end 242 of the second holding piece 24 is formed to be smaller than the size of the insertion hole of the body panel 40. Since it is provided, it easily fits into the insertion hole of the body panel 40 when pulled from the small diameter portion 12 side.
【００３１】また、この時、第１挟持片２２は、ボディ
パネル４０の挿入孔よりも大きく形成してあるために、
図２に示す如く、一対の挟持片２２、２４によりボディ
パネル４０の挿入孔が固定される。また、第１挟持片の
エッジ部３４によりボディパネル４０の挿入孔の保着能
力は更に向上する。また、ドレンホース１０とグロメッ
ト２０とは、グロメット２０に設けられた突起部３２に
より、小径部１２と密着固定され、かつ、テーパ部１６
とテーパ面２８の接触により密着固定される。At this time, since the first holding piece 22 is formed larger than the insertion hole of the body panel 40,
As shown in FIG. 2, the insertion hole of the body panel 40 is fixed by the pair of holding pieces 22 and 24. Further, the ability to hold the insertion hole of the body panel 40 is further improved by the edge portion 34 of the first holding piece. Further, the drain hose 10 and the grommet 20 are tightly fixed to the small-diameter portion 12 by a projection 32 provided on the grommet 20, and the tapered portion 16 is fixed.
And the taper surface 28 is in contact and fixed.
【００３２】また、この作業を行う際に、ボディパネル
４０で区切られた車室内Ａ側からエンジンルームＢ側へ
引っ張り出して行うのであるが、この作業のみで、ドレ
ンホース１０に対するグロメット２０の位置決めが確実
になされ、かつボディパネル４０に対する位置決めがな
される。When performing this work, the grommet 20 is pulled out from the vehicle compartment A side separated by the body panel 40 to the engine room B side, but only by this work, the positioning of the grommet 20 with respect to the drain hose 10 is performed. And the positioning with respect to the body panel 40 is performed.
【００３３】従って、容易にドレンホース１０をボディ
パネル４０に取り付けることができる。なお、ドレンホ
ース１０、グロメット２０の形状は、上記の形状に限ら
ず、テーパ部１６及びテーパ面２８を略直角に形成して
も良い。Therefore, the drain hose 10 can be easily attached to the body panel 40. The shapes of the drain hose 10 and the grommet 20 are not limited to the above shapes, and the tapered portion 16 and the tapered surface 28 may be formed at substantially right angles.
【００３４】ただし、上記した如く、ドレンホース１０
のテーパ部１６の角度αをグロメット２０のテーパ面２
８の角度βよりも大きくすることで、テーパ面１６とテ
ーパ部２８とが接触し合い、ドレンホース１０とグロメ
ット２０とを強く引っ張り合う程、強固に固定される。However, as described above, the drain hose 10
Angle of the tapered portion 16 of the grommet 20 to the tapered surface 2
By making the angle β larger than the angle β, the tapered surface 16 and the tapered portion 28 come into contact with each other, and the drain hose 10 and the grommet 20 are strongly fixed as they are strongly pulled.
【００３５】[0035]
【発明の効果】以上述べたように、請求項１に記載の発
明においては、管状部材に保持部材を固定したものを、
取付対象部材の挿入孔に通して、保持部材の一対の挟持
片で挟まれるまで引っ張る作業のみで、取付対象部材に
対して管状部材の固定ができ、かつ位置決めができるの
で、作業性が良くなる。 また、挟持片の他方が、対向す
る挟持片に向かうに従い外形が大きくなるテーパ形状を
有しているので、保持部材が取付対象部材の挿入孔に入
り易い。 As described above, according to the first aspect of the present invention, when the holding member is fixed to the tubular member,
Pass through the insertion hole of the member to be attached, and
Only pulling work until it is caught by one piece
The tubular member can be fixed and positioned.
Thus, workability is improved. Also, the other of the holding pieces is opposed to each other.
Taper shape, the outer shape of which becomes larger toward the holding piece
The holding member is inserted into the insertion hole of the
Easy.
【００３６】請求項２に記載の発明においては、管状部
材に保持部材を固定したものを、取付対象部材の挿入孔
に通して、保持部材の一対の挟持片で挟まれるまで引っ
張る作業のみで、取付対象部材に対して管状部材の固定
ができ、かつ位置決めができるので、作業性が良くな
る。 また、保持部材の保持孔の内周面に突起部を設けて
いるので、管状部材と保持部材とが密着固定される。 In the second aspect of the present invention, the tubular portion
Fix the holding member to the material and insert it into the
Through the holding member until it is caught by the pair of holding members.
Fixing the tubular member to the mounting target member only by stretching
Workability is improved because positioning is possible.
You. Also, a protrusion is provided on the inner peripheral surface of the holding hole of the holding member.
Therefore, the tubular member and the holding member are tightly fixed.
【００３７】請求項３に記載の発明においては、管状部
材に保持部材を固定したものを、取付対象部材の挿入孔
に通して、保持部材の一対の挟持片で挟まれるまで引っ
張る作業のみで、取付対象部材に対して管状部材の固定
ができ、かつ位置決めができるので、作業性が良くな
る。 また、挟持片の外周縁に、対向する挟持片側に向け
て突出する薄肉の断面形状のエッジ部を有しているの
で、挟持片による取付対象部材の挿入孔の保着能力が向
上する。 In the third aspect of the present invention, the tubular portion
Fix the holding member to the material and insert it into the
Through the holding member until it is caught by the pair of holding members.
Fixing the tubular member to the mounting target member only by stretching
Workability is improved because positioning is possible.
You. Also, on the outer edge of the holding piece, facing the holding piece side
Has a thin section edge that protrudes
Therefore, the holding capacity of the insertion hole of the mounting target member by the holding piece is improved.
Up.
【図面の簡単な説明】[Brief description of the drawings]
【図１】本発明のドレンホースとグロメットとを嵌め合
わせる際の要部断面図である。FIG. 1 is a sectional view of a main part when a drain hose and a grommet of the present invention are fitted together.
【図２】本発明のドレンホースとグロメットとを嵌め合
わせ、ボディパネルに取り付けた際の要部断面図であ
る。FIG. 2 is a cross-sectional view of a main part when the drain hose and the grommet of the present invention are fitted and attached to a body panel.
【図３】本発明のドレンホースとグロメットを用いた冷
凍装置の斜視図である。FIG. 3 is a perspective view of a refrigeration apparatus using the drain hose and the grommet of the present invention.
１０ ドレンホース １２ 小径部 １４ 大径部 １６ テーパ部 ２０ グロメット ２２ 第１挟持片 ２３ 連結部 ２４ 第２挟持片 ２８ テーパ面 DESCRIPTION OF SYMBOLS 10 Drain hose 12 Small diameter part 14 Large diameter part 16 Taper part 20 Grommet 22 First holding piece 23 Connecting part 24 Second holding piece 28 Tapered surface
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 実開 昭63−7920（ＪＰ，Ｕ) (58)調査した分野(Int.Cl.7，ＤＢ名) B60H 1/32 613 F16L 5/02 ──────────────────────────────────────────────────続 き Continuation of the front page (56) References Japanese Utility Model Sho 63-7920 (JP, U) (58) Field surveyed (Int. Cl. 7 , DB name) B60H 1/32 613 F16L 5/02
Claims (6)
面までの半径が前記小径部より大きい大径部、および前
記小径部と前記大径部を連結する連結部を有する円筒状
の管状部材と、 取付対象部材に設けられた挿入孔に対し、この挿入孔の
縁を挟持する一対の挟持片、および前記管状部材の小径
部が通る保持孔を有する保持部材と、 前記保持部材の保持孔に前記小径部側から前記管状部材
を挿通した状態において、前記挟持片の一方は、前記管
状部材の連結部と当接する当接面とを有し、 前記挟持片の他方は、対向する挟持片側に向かうに従い
外径が大きくなるテーパ形状を有する 管状部材取付構
造。1. A cylindrical shape having a small diameter portion having a small radius to an outer diameter surface, a large diameter portion having a radius to an outer diameter surface larger than the small diameter portion, and a connecting portion connecting the small diameter portion and the large diameter portion. a tubular member with respect to the insertion hole provided in the mounting object member, a holding member having a pair of holding pieces, and the holding hole diameter portion passes of said tubular member for holding the edge of the insertion hole, and the holding member In a state where the tubular member is inserted into the holding hole from the small-diameter portion side, one of the holding pieces has a contact surface that comes into contact with a connecting portion of the tubular member, and the other of the holding pieces faces each other. As you go to one side
A tubular member mounting structure having a tapered shape having a larger outer diameter .
面までの半径が前記小径部より大きい大径部、および前
記小径部と前記大径部を連結する連結部を有する円筒状
の管状部材と、 取付対象部材に設けられた挿入孔に対し、この挿入孔の
縁を挟持する一対の挟持片、および前記管状部材の小径
部が通る保持孔を有する保持部材と、 前記保持部材の保持孔に前記小径部側から前記管状部材
を挿通した状態において、前記挟持片の一方は、前記管
状部材の連結部と当接する当接面とを有し、 前記保持部材の保持孔の内周面に突起部を設けた 管状部
材取付構造。2. A small diameter portion having a small radius up to an outer diameter surface, an outer diameter.
A large diameter part whose radius to the surface is larger than the small diameter part, and
A cylindrical shape having a connecting portion for connecting the small diameter portion and the large diameter portion
Of the insertion hole provided in the tubular member of
A pair of holding pieces for holding the edge, and a small diameter of the tubular member
A holding member having a holding hole through which a portion passes, and the tubular member is inserted into the holding hole of the holding member from the small diameter portion side.
Is inserted, one of the holding pieces is
A tubular member mounting structure , comprising: a connecting surface of a holding member ; and a contact surface that is in contact with the connecting member;
面までの半径が前記小径部より大きい大径部、および前
記小径部と前記大径部を連結する連結部を有する円筒状
の管状部材と、 取付対象部材に設けられた挿入孔に対し、この挿入孔の
縁を挟持する一対の挟持片、および前記管状部材の小径
部が通る保持孔を有する保持部材と、 前記保持部材の保持孔に前記小径部側から前記管状部材
を挿通した状態において、前記挟持片の一方は、前記管
状部材の連結部と当接する当接面とを有し、 前記挟持片の外周縁に、対向する挟持片側に向けて突出
する薄肉の断面形状のエッジ部を有する 管状部材取付構
造。3. A small diameter portion having a small radius up to an outer diameter surface, an outer diameter.
A large diameter part whose radius to the surface is larger than the small diameter part, and
A cylindrical shape having a connecting portion for connecting the small diameter portion and the large diameter portion
Of the insertion hole provided in the tubular member of
A pair of holding pieces for holding the edge, and a small diameter of the tubular member
A holding member having a holding hole through which the portion passes, and the tubular member is inserted into the holding hole of the holding member from the small diameter portion side.
Is inserted, one of the holding pieces is
A contact surface that abuts a connecting portion of the shaped member, and protrudes toward an opposing holding piece side at an outer peripheral edge of the holding piece.
A tubular member mounting structure having an edge portion having a thin cross-sectional shape .
面までの半径が前記小径部より大きい大径部、および前
記小径部と前記大径部を連結する連結部を有 する円筒状
の管状部材と、 取付対象部材に設けられた挿入孔に対し、この挿入孔の
縁を挟持する一対の挟持片、および前記管状部材の小径
部が通る保持孔を有する保持部材と、 前記保持部材の保持孔に前記小径部側から前記管状部材
を挿通した状態において、前記挟持片の一方は、前記管
状部材の連結部と当接する当接面とを有し、 前記管状部材の連結部と接する側の前記挟持片の外径
が、他方の前記挟持片の外径よりも大きい 管状部材取付
構造。4. A small diameter portion having a small radius up to an outer diameter surface, an outer diameter.
A large diameter part whose radius to the surface is larger than the small diameter part, and
Cylindrical shape have a connecting portion for connecting the large-diameter portion and the serial small-diameter portion
Of the insertion hole provided in the tubular member of
A pair of holding pieces for holding the edge, and a small diameter of the tubular member
A holding member having a holding hole through which a portion passes, and the tubular member is inserted into the holding hole of the holding member from the small diameter portion side.
Is inserted, one of the holding pieces is
An abutment surface that abuts a connecting portion of the tubular member, and an outer diameter of the holding piece on a side that contacts the connecting portion of the tubular member.
However, a tubular member mounting structure larger than the outer diameter of the other holding piece .
面までの半径が前記小径部より大きい大径部、および前
記小径部と前記大径部を連結する連結部を有する円筒状
の管状部材と、 取付対象部材に設けられた挿入孔に対し、この挿入孔の
縁を挟持する一対の挟持片、および前記管状部材の小径
部が通る保持孔を有する保持部材と、 前記保持部材の保持孔に前記小径部側から前記管状部材
を挿通した状態において、前記挟持片の一方は、前記管
状部材の連結部と当接する当接面とを有し、 前記管状部材の連結部の外径が、前記小径部から前記大
径部に向かうに従い徐々に大きくなるテーパ形状を有す
る 管状部材取付構造。5. A small diameter portion having a small radius up to an outer diameter surface, an outer diameter.
A large diameter part whose radius to the surface is larger than the small diameter part, and
A cylindrical shape having a connecting portion for connecting the small diameter portion and the large diameter portion
Of the insertion hole provided in the tubular member of
A pair of holding pieces for holding the edge, and a small diameter of the tubular member
A holding member having a holding hole through which a portion passes, and the tubular member is inserted into the holding hole of the holding member from the small diameter portion side.
Is inserted, one of the holding pieces is
A contact surface that abuts a connecting portion of the tubular member , wherein an outer diameter of the connecting portion of the tubular member is larger than the larger diameter portion than the larger diameter portion
Has a tapered shape that gradually increases toward the diameter
The tubular member mounting structure that.
面までの半径が前記小径部より大きい大径部、および前
記小径部と前記大径部を連結する連結部を有する円筒状
の管状部材と、 取付対象部材に設けられた挿入孔に対し、この挿入孔の
縁を挟持する一対の挟持片、および前記管状部材の小径
部が通る保持孔を有する保持部材と、 前記保持部材の保持孔に前記小径部側から前記管状部材
を挿通した状態において、前記挟持片の一方は、前記管
状部材の連結部と当接する当接面とを有し、 前記管状部材の前記小径部、前記大径部、前記連結部の
肉厚が略均一である 管状部材取付構造。6. A small diameter portion having a small radius up to an outer diameter surface, an outer diameter.
A large diameter part whose radius to the surface is larger than the small diameter part, and
A cylindrical shape having a connecting portion for connecting the small diameter portion and the large diameter portion
Of the insertion hole provided in the tubular member of
A pair of holding pieces for holding the edge, and a small diameter of the tubular member
A holding member having a holding hole through which a portion passes, and the tubular member is inserted into the holding hole of the holding member from the small diameter portion side.
Is inserted, one of the holding pieces is
A contact surface that abuts a connection portion of the tubular member, the small-diameter portion of the tubular member, the large-diameter portion, and the connection portion.
A tubular member mounting structure having a substantially uniform wall thickness .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12176892A JP3206099B2 (en) | 1992-05-14 | 1992-05-14 | Tubular member mounting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12176892A JP3206099B2 (en) | 1992-05-14 | 1992-05-14 | Tubular member mounting structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH05319079A JPH05319079A (en) | 1993-12-03 |
| JP3206099B2 true JP3206099B2 (en) | 2001-09-04 |
Family
ID=14819411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12176892A Expired - Fee Related JP3206099B2 (en) | 1992-05-14 | 1992-05-14 | Tubular member mounting structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3206099B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20110129034A (en) * | 2010-05-25 | 2011-12-01 | 한라공조주식회사 | Drain hose structure of air conditioning system for automotive vehicles |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5551860B2 (en) * | 2008-09-24 | 2014-07-16 | 株式会社日本クライメイトシステムズ | Air conditioner for vehicles |
| JP6207389B2 (en) * | 2013-12-27 | 2017-10-04 | 株式会社日本クライメイトシステムズ | Drain hose |
| JP6331137B2 (en) * | 2014-07-18 | 2018-05-30 | 前澤化成工業株式会社 | Branch joint |
| JP7285243B2 (en) * | 2020-10-20 | 2023-06-01 | 因幡電機産業株式会社 | plumbing fittings |
-
1992
- 1992-05-14 JP JP12176892A patent/JP3206099B2/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20110129034A (en) * | 2010-05-25 | 2011-12-01 | 한라공조주식회사 | Drain hose structure of air conditioning system for automotive vehicles |
| KR101649727B1 (en) | 2010-05-25 | 2016-08-19 | 한온시스템 주식회사 | Drain hose structure of air conditioning system for automotive vehicles |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH05319079A (en) | 1993-12-03 |
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