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JP2014219164A - Attachment structure of heat exchanger support material - Google Patents

Attachment structure of heat exchanger support material Download PDF

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JP2014219164A
JP2014219164A JP2013099410A JP2013099410A JP2014219164A JP 2014219164 A JP2014219164 A JP 2014219164A JP 2013099410 A JP2013099410 A JP 2013099410A JP 2013099410 A JP2013099410 A JP 2013099410A JP 2014219164 A JP2014219164 A JP 2014219164A
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support material
heat exchanger
mounting structure
pair
bolt
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JP6087721B2 (en
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洋一 間中
Yoichi Manaka
洋一 間中
玉 鄭
Yu Zheng
玉 鄭
須山　隆行
Takayuki Suyama
隆行 須山
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T Rad Co Ltd
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T Rad Co Ltd
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings

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  • Engineering & Computer Science (AREA)
  • Details Of Heat-Exchange And Heat-Transfer (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)

Abstract

PROBLEM TO BE SOLVED: To provide an attachment structure of a support material of a heat exchanger capable of being manufactured with a smaller number of components, facilitating forming the respective components, and keeping balance.SOLUTION: A cushion material 8 is inserted into an enlarged portion 7 of a through hole 6 of a resin tank 4, one end of the cushion material 8 abuts on a stepped part 7a, and a metallic tube 9 is inserted into the cushion material 8. A bolt insertion portion 11 of a support material 5 is aligned with the metal tube 9, a bolt 12 is inserted into the bolt insertion portion 11 and the metal tube 9, and a nut 13 is attached to the bolt 12.

Description

本発明は、熱交換器コアの両端に一対の樹脂製タンクを有し、その樹脂製タンク間をサポート材で連結した取付構造に関する。   The present invention relates to a mounting structure having a pair of resin tanks at both ends of a heat exchanger core and connecting the resin tanks with a support material.

下記特許文献１および特許文献２には、ラジエータサポートの取付構造が記載されている。これは、上下一対の樹脂タンク間を断面コ字状のサポート材でゴムブッシュおよびボルトを介して連結するものである。   The following Patent Document 1 and Patent Document 2 describe a radiator support mounting structure. In this method, a pair of upper and lower resin tanks are connected by a support member having a U-shaped cross section via a rubber bush and a bolt.

特開平１０−２２７５９２号公報Japanese Patent Laid-Open No. 10-275992 特開２００５−１６７６４号公報JP 2005-16764 A

各引用文献に記載されたラジエータサポートの取付構造は、一つのサポート材を取り付けるのに４つのボルトと４つのナットとを必要とし、各ナットはナット挿入孔に挿入して、その軸線をボルトの軸線に整合させる必要がある。そのため、その組立てが極めて面倒である。また、一つのサポート材に４つのボルトおよびナットを締結固定するため、各ナットおよびボルトの締めつけバランスをとる必要があり、その点からも組立てが、さらに面倒である。
そこで、本発明は部品点数が少なく、且つ各部品の形状を単純化して加工が容易で、組立てやすい、バランスの取れた熱交換器のサポート材の取付構造を提供することを課題とする。 The radiator support mounting structure described in each cited document requires four bolts and four nuts to mount one support member, and each nut is inserted into a nut insertion hole and its axis is connected to the bolt. Must be aligned with the axis. Therefore, the assembly is extremely troublesome. Further, since four bolts and nuts are fastened and fixed to one support material, it is necessary to balance the tightening of each nut and bolt, and the assembly is further troublesome from that point.
Accordingly, an object of the present invention is to provide a well-balanced support structure for mounting a heat exchanger, which has a small number of parts, simplifies the shape of each part, is easy to process, and is easy to assemble.

請求項１に記載の本発明は、並列された多数のチューブ(1)の両端が貫通する一対のチューブプレート(2)を有するコア(3)と、各チューブプレート(2)により開口が閉塞される樹脂製の一対のタンク(4)と、一対のタンク(4)の長手方向の両端の間を連結する一対のサポート材(5)と、を有する熱交換器のサポート材(5)の取付構造において、
各タンク(4)の長手方向の両端に、その幅方向に貫通する貫通孔(6)がそれぞれ設けられ、各貫通孔(6)の両端部に先端側に段付き(7a)に拡開された一対の拡開部(7)を有し、
各拡開部(7)にゴム弾性を有する筒状のクッション材(8)が挿入されて、そのクッション材(8)の一端が前記段付き(7a)に当接され、
そのクッション材(8)に金属管(9)が挿通されて、その金属管(9)とタンク(4)の貫通孔(6)とがその全長に渡り非接触状態となり、
前記サポート材(5)の少なくとも両端部に溝状部(10)が形成されると共に、その溝状部(10)の対向する両側壁にボルト挿通部(11)が形成され、
そのボルト挿通部(11)が、前記金属管(9)に整合されて、それらにボルト(12)が挿通され、そのボルト(12)の先端にナット(13)が取付られたことを特徴とする熱交換器のサポート材の取付構造である。 According to the first aspect of the present invention, a core (3) having a pair of tube plates (2) through which both ends of a plurality of tubes (1) arranged in parallel pass, and the openings are closed by the tube plates (2). Mounting of a heat exchanger support material (5) having a pair of resin-made tanks (4) and a pair of support materials (5) connecting between the longitudinal ends of the pair of tanks (4) In structure
Through-holes (6) penetrating in the width direction are provided at both ends in the longitudinal direction of each tank (4), respectively, and widened to a step (7a) at the tip side at both ends of each through-hole (6). A pair of expanded portions (7)
A cylindrical cushion material (8) having rubber elasticity is inserted into each expanded portion (7), and one end of the cushion material (8) is brought into contact with the step (7a),
The metal pipe (9) is inserted into the cushion material (8), and the metal pipe (9) and the through hole (6) of the tank (4) are in a non-contact state over the entire length,
A groove portion (10) is formed at least at both ends of the support material (5), and bolt insertion portions (11) are formed on opposite side walls of the groove portion (10).
The bolt insertion part (11) is aligned with the metal tube (9), the bolt (12) is inserted through them, and the nut (13) is attached to the tip of the bolt (12). It is the attachment structure of the support material of the heat exchanger.

請求項２に記載の発明は、請求項１に記載の熱交換器のサポート材の取付構造において、
各クッション材(8)の端面が拡開部(7)の端面より突出され、そのクッション材(8)の端面とサポート材(5)の側壁との間に偏平な一対のワッシャ(15)が配置された熱交換器のサポート材の取付構造。
請求項３に記載の発明は、請求項２に記載の熱交換器のサポート材の取付構造において、
金属管(9)の両端面が一対の前記一対ワッシャ(15)に当接された状態で、前記クッション材(8)の端面が拡開部(7)の端面より突出された熱交換器のサポート材の取付構造。 The invention according to claim 2 is the mounting structure of the support material for the heat exchanger according to claim 1,
The end face of each cushion material (8) protrudes from the end face of the expanded portion (7), and a pair of flat washers (15) are provided between the end face of the cushion material (8) and the side wall of the support material (5). Mounting structure for the support material of the arranged heat exchanger.
The invention according to claim 3 is the mounting structure of the support material for the heat exchanger according to claim 2,
In a state where both end surfaces of the metal tube (9) are in contact with the pair of washers (15), the end surface of the cushion material (8) is protruded from the end surface of the expanded portion (7). Support material mounting structure.

請求項４に記載の本発明は、請求項１に記載の熱交換器のサポート材の取付構造において、
クッション材(8)の端面が拡開部(7)の端面より突出され、サポート材(5)の前記両側壁の外側にワッシャ(15)が配置されて、そのワッシャ(15)とクッション材(8)との間にサポート材(5)のボルト挿通部(11)が挟持された熱交換器のサポート材の取付構造である。
請求項５に記載の本発明は、請求項３に記載の熱交換器のサポート材の取付構造において、
前記ワッシ(15)の中心孔の孔縁に短い筒部(15a)が軸線方向に突設され、その筒部(15a)先端が前記金属管(9)の端面(14)に当接する熱交換器のサポート材(5)の取付構造である。 According to a fourth aspect of the present invention, there is provided the heat exchanger support member mounting structure according to the first aspect,
The end face of the cushion material (8) protrudes from the end face of the widened portion (7), and washers (15) are disposed outside the both side walls of the support material (5), and the washer (15) and the cushion material ( 8 is a mounting structure of the support material of the heat exchanger in which the bolt insertion part (11) of the support material (5) is sandwiched between the support material (5).
According to a fifth aspect of the present invention, in the heat exchanger support member mounting structure according to the third aspect,
A short cylindrical part (15a) is provided in the axial direction at the hole edge of the central hole of the washer (15), and the end of the cylindrical part (15a) is in contact with the end surface (14) of the metal tube (9). It is a mounting structure of the support material (5) of the vessel.

請求項６に記載の本発明は、請求項５に記載の熱交換器のサポート材(5)の取付構造において、
前記サポート材(5)の前記ボルト挿通部(11)の孔縁部の外面側に、環状に凹陥した凹陥部(16)を有し、その凹陥部(16)に前記ワッシャ(15)が着座された熱交換器のサポート材の取付構造である。
請求項７に記載の本発明は、請求項１に記載の熱交換器のサポート材の取付構造において、
前記ボルト(12)の頭部およびナット(13)にフランジ部(17)が一体に設けられた熱交換器のサポート材の取付構造である。 According to a sixth aspect of the present invention, there is provided the heat exchanger support material (5) mounting structure according to the fifth aspect,
On the outer surface side of the hole edge portion of the bolt insertion portion (11) of the support material (5), there is a recessed portion (16) that is annularly recessed, and the washer (15) is seated in the recessed portion (16) It is the attachment structure of the support material of the made heat exchanger.
According to a seventh aspect of the present invention, in the heat exchanger support member mounting structure according to the first aspect,
This is a heat exchanger support material mounting structure in which a flange (17) is integrally provided on the head of the bolt (12) and a nut (13).

本発明の熱交換器のサポート材の取付構造は、樹脂製タンク４の貫通孔６の拡開部７に、クッション材８が挿入されて、そのクッション材８の一端が前記段付き7aに当接され、そのクッション材８に金属管９が挿通され、その金属管９とタンク４の貫通孔６とがその全長に渡り非接触状態となる。そして、サポート材５のボルト挿通部11が、前記金属管９に整合されて、それらにボルト12が挿通されて、ナット13が取付られるものである。
その結果、外力が加わるサポート材５と、樹脂タンク４とは非接触で結合され、クッション材８の介在により樹脂タンク４に大きな応力集中が加わることがない。そのため、樹脂タンク４を保護することができる。また、コア３とサポート材５との間に熱膨張差が生じても、クッション材の介在により、それを吸収し、タンク４に熱応力が大きく加わることがない。しかも、各部品は単純な構造となり、製造しやすく、量産性に優れた構造である。 In the heat exchanger support material mounting structure of the present invention, the cushion material 8 is inserted into the widened portion 7 of the through hole 6 of the resin tank 4, and one end of the cushion material 8 contacts the stepped portion 7a. The metal tube 9 is inserted into the cushion material 8, and the metal tube 9 and the through hole 6 of the tank 4 are in a non-contact state over the entire length. And the bolt insertion part 11 of the support material 5 is aligned with the said metal pipe 9, the bolt 12 is penetrated to them, and the nut 13 is attached.
As a result, the support material 5 to which an external force is applied and the resin tank 4 are coupled in a non-contact manner, and a large stress concentration is not applied to the resin tank 4 due to the intervention of the cushion material 8. Therefore, the resin tank 4 can be protected. Further, even if a difference in thermal expansion occurs between the core 3 and the support material 5, it is absorbed by the intervention of the cushion material, so that a large thermal stress is not applied to the tank 4. Moreover, each part has a simple structure, is easy to manufacture, and has a structure that is excellent in mass productivity.

請求項２に記載の発明のように、各クッション材８の端面が拡開部７の端面より突出され、そのクッション材８の端面とサポート材５の側壁との間に偏平な一対のワッシャ15を配置した場合には、サポート材５の側面と樹脂タンク４の貫通孔６の端面との接触を防ぎ、樹脂タンク４の側面に応力が加わることを防止できる。
請求項３に記載の発明のように、金属管９の両端面が一対の前記一対ワッシャ15に当接された状態で、前記クッション材８の端面が拡開部７の端面より突出された場合には、クッション材８が軸線方向に過度に圧縮することを防止して、クッション材８の機能を維持できる。 As in the second aspect of the present invention, the end face of each cushion member 8 protrudes from the end face of the expanded portion 7, and a pair of flat washers 15 are provided between the end face of the cushion member 8 and the side wall of the support member 5. When the is disposed, the contact between the side surface of the support material 5 and the end surface of the through hole 6 of the resin tank 4 can be prevented, and the stress can be prevented from being applied to the side surface of the resin tank 4.
When the both end surfaces of the metal tube 9 are in contact with the pair of washers 15 and the end surface of the cushion material 8 protrudes from the end surface of the expanding portion 7 as in the invention described in claim 3. The cushion material 8 can be prevented from being excessively compressed in the axial direction, and the function of the cushion material 8 can be maintained.

請求項４に記載の発明のように、ワッシャ15とクッション材８との間にサポート材５のボルト挿通部11を挟持した場合には、サポート材５の側面と樹脂タンク４の貫通孔６の端面との接触を防ぎ、樹脂タンク４の側面に応力が加わることを防止できる。
請求項５に記載の発明のように、ワッシャ15の中心孔の孔縁に短い筒部15aを軸線方向に突設し、その筒部15a先端を金属管９の端面14に当接した場合には、さらに、サポート材５の側面と樹脂タンク４の貫通孔６の端面との接触を防ぎ、樹脂タンク４の側面に応力が加わることを確実に防止できる。 When the bolt insertion portion 11 of the support member 5 is sandwiched between the washer 15 and the cushion member 8 as in the invention described in claim 4, the side surface of the support member 5 and the through hole 6 of the resin tank 4 are formed. Contact with the end surface can be prevented, and stress can be prevented from being applied to the side surface of the resin tank 4.
As in the fifth aspect of the present invention, when a short cylindrical portion 15a is projected in the axial direction at the hole edge of the central hole of the washer 15, and the tip of the cylindrical portion 15a is in contact with the end face 14 of the metal tube 9. Furthermore, contact between the side surface of the support material 5 and the end surface of the through hole 6 of the resin tank 4 can be prevented, and stress can be reliably prevented from being applied to the side surface of the resin tank 4.

請求項６に記載の発明のように、サポート材５のボルト挿通部11の孔縁部に凹陥部16を有し、その凹陥部16にワッシャ15を着座した場合には、サポート材５と樹脂タンク４との取付構造の安定性がよく、体裁がよい。
請求項７に記載のように、ボルト12の頭部およびナット13にフランジ部17を一体に設けた場合には、組立て容易で、サポート材の取付構造の安定性がよい。 As in the sixth aspect of the present invention, when the hole insertion portion 11 of the support member 5 has the recessed portion 16 at the hole edge and the washer 15 is seated in the recessed portion 16, the support material 5 and the resin The mounting structure with the tank 4 is stable and has a good appearance.
As described in claim 7, when the flange portion 17 is provided integrally with the head of the bolt 12 and the nut 13, the assembly is easy and the stability of the mounting structure of the support material is good.

本発明の熱交換器のサポート材の取付構造の要部横断面図。The principal part cross-sectional view of the attachment structure of the support material of the heat exchanger of this invention. 同取付構造の分解斜視図。The exploded perspective view of the attachment structure. 本発明の第２実施例のサポート材の取付構造の要部縦断面図。The principal part longitudinal cross-sectional view of the attachment structure of the support material of 2nd Example of this invention. 同第３実施例の要部縦断面図。The principal part longitudinal cross-sectional view of the 3rd Example. 同第４実施例におけるサポート材５の要部斜視図。The principal part perspective view of the support material 5 in the 4th Example. 同第５実施例の要部縦断面図。The principal part longitudinal cross-sectional view of the 5th Example.

次に、図面に基づいて本発明の実施の形態につき説明する。
図１および図２は、本発明の第１実施例の熱交換器のサポート材の取付構造を示す。
このサポート材の取付構造は、チューブ１とフィン20とからなるコア３の上下両端にチューブプレート２を介して樹脂製のタンク４（下側タンク４を省略）が配置されている。各タンク４の長手方向両端の上部には、幅方向に貫通する貫通孔６が一体に形成されている。各貫通孔６の両端部には段付き7aを介して拡開部７が形成されている。この貫通孔６内には、図１に示すごとく、クッション材８を介して、一対の金属管９が挿入され、その端面どうしが当接される。そのクッション材８はゴム弾性を有するものであり、筒状に形成され、その内周が金属管９外周に整合するとともに、外周が拡開部７内周に整合する。そして、クッション材８の前端が段付き7aに突き当たる。この突き当たり状態で、クッション材８の後端は拡開部７先端面よりも突出する。 Next, embodiments of the present invention will be described with reference to the drawings.
1 and 2 show a mounting structure for a support member of a heat exchanger according to a first embodiment of the present invention.
In this support member mounting structure, resin tanks 4 (the lower tank 4 is omitted) are arranged on both upper and lower ends of a core 3 composed of tubes 1 and fins 20 via tube plates 2. A through hole 6 penetrating in the width direction is integrally formed at the upper part of each tank 4 in the longitudinal direction. Expanded portions 7 are formed at both ends of each through hole 6 via a stepped portion 7a. As shown in FIG. 1, a pair of metal tubes 9 is inserted into the through-hole 6 via a cushion material 8, and the end surfaces are brought into contact with each other. The cushion material 8 has rubber elasticity, is formed in a cylindrical shape, and its inner periphery is aligned with the outer periphery of the metal tube 9 and its outer periphery is aligned with the inner periphery of the expanded portion 7. And the front end of the cushioning material 8 hits the stepped portion 7a. In this abutting state, the rear end of the cushion material 8 protrudes from the front end surface of the expanded portion 7.

次に、サポート材５は少なくとも両端部が溝状部10を有する溝型に形成され、その両側壁の上下両端が斜め外方に突出し、そこにボルト挿通部11が穿設されている。サポート材５は、一例として、アルミニウム等の金属材からなる。そして、このサポート材５は図１に示すごとく、一対の側壁が各クッション材８の端面に当接される。そして、そのボルト挿通部11が略金属管９の軸線に一致する。なお、この例では、ボルト挿通部11の直径は金属管９の外径よりも僅かに大に形成されている。それにより、コア３の熱膨張を吸収できるようにしている。そして、ボルト挿通部11にはワッシャ15の筒部15ａが挿入される。その筒部15ａの先端は、金属管９の端面に当接する。次いで、ボルト12が金属管９内に挿入され、その先端にワッシャ15を介して、ナット13が螺着締結される。このような組立作業を左右一対のサポート材５（左側を省略）の上下（下側を省略）において行なわれる。それにより、左右一対のサポート材５によって、上下一対のタンク４間が連結される。   Next, the support material 5 is formed in a groove shape having at least both ends of the groove-shaped portion 10, and the upper and lower ends of both side walls protrude obliquely outward, and a bolt insertion portion 11 is formed there. For example, the support material 5 is made of a metal material such as aluminum. As shown in FIG. 1, the support member 5 has a pair of side walls in contact with the end surfaces of the cushion members 8. The bolt insertion portion 11 substantially coincides with the axis of the metal tube 9. In this example, the diameter of the bolt insertion portion 11 is slightly larger than the outer diameter of the metal tube 9. Thereby, the thermal expansion of the core 3 can be absorbed. Then, the cylindrical portion 15 a of the washer 15 is inserted into the bolt insertion portion 11. The tip of the cylindrical portion 15 a comes into contact with the end surface of the metal tube 9. Next, the bolt 12 is inserted into the metal tube 9, and the nut 13 is screwed and fastened to the tip of the bolt 12 via the washer 15. Such assembling work is performed above and below (lower side omitted) above and below the pair of left and right support members 5 (left side omitted). Accordingly, the pair of upper and lower tanks 4 are connected by the pair of left and right support members 5.

（組立て方法）
チューブ１とフィン20とからなるコア３の上下両端にはチューブプレート２が配置され、その周縁に形成された環状溝にシールリング18を介して、タンク４の開口が嵌着される。そして、その環状溝の先端部をカシメることにより、コア３とタンク４とが液密に一体化される。 (Assembly method)
Tube plates 2 are disposed at both upper and lower ends of the core 3 composed of the tube 1 and the fins 20, and the opening of the tank 4 is fitted into an annular groove formed at the peripheral edge thereof via a seal ring 18. And the core 3 and the tank 4 are integrated liquid-tightly by crimping the front-end | tip part of the annular groove.

次いで、一例として、各金属管９の端部にクッション材８を被嵌し、その状態で金属管９を貫通孔６に挿通し、その端面を互いに当接させる。なお、先にクッション材８を拡開部７に挿入後、各金属間９をその内部に挿通してもよい。このとき、クッション材８の端面は、貫通孔６の拡開部７の端面より僅かに突出される。それとともに、そのクッション材８の先端は段付き7aに当接される。次いで、サポート材５のボルト挿通部11を貫通孔６の軸線に整合するように、タンク４にそれを嵌着させる。次いで、サポート材５のボルト挿通部11にワッシャ15の筒部15ａを挿入し、ボルト12を金属管９内に挿通する。そして、ナット13をワッシャ15を介して、ボルト12の端部に螺着締結する。   Next, as an example, the cushion material 8 is fitted to the end of each metal tube 9, and the metal tube 9 is inserted into the through hole 6 in this state, and the end surfaces are brought into contact with each other. In addition, after inserting the cushion material 8 in the expansion part 7 previously, you may penetrate between each metal 9 in the inside. At this time, the end surface of the cushion material 8 slightly protrudes from the end surface of the expanded portion 7 of the through hole 6. At the same time, the tip of the cushion material 8 is brought into contact with the stepped portion 7a. Next, the bolt insertion portion 11 of the support material 5 is fitted into the tank 4 so as to be aligned with the axis of the through hole 6. Next, the cylindrical portion 15 a of the washer 15 is inserted into the bolt insertion portion 11 of the support member 5, and the bolt 12 is inserted into the metal tube 9. Then, the nut 13 is screwed and fastened to the end of the bolt 12 via the washer 15.

（作用）
この熱交換器は、自動車用エンジン冷却水の冷却用ラジエータとして、用いることができる。エンジンのウォータージャケットから供給された比較的高温の冷却水が、上側のタンク４を介し、各チューブ１内に供給され、その外側に冷却風が流通する。エンジン駆動中は、コア３がその長手方向に熱膨張する。 (Function)
This heat exchanger can be used as a radiator for cooling automobile engine coolant. The relatively high temperature cooling water supplied from the water jacket of the engine is supplied into each tube 1 via the upper tank 4, and the cooling air circulates outside thereof. While the engine is being driven, the core 3 is thermally expanded in the longitudinal direction.

このとき、サポート材５はコア３よりも低温であるため、サポート材５に対してコアが伸張して相対移動する。その相対移動は、サポート材５のボルト挿通部11の隙間によって吸収される。なお、その隙間が小さい場合は、クッション材８の弾性変形によっても吸収される。サポート材５は、エンジンルーム内のフレーム等に固定され、自動車の走行にともなう振動がサポート材５に伝わる。その振動は、クッション材８によって吸収され、ラジエータへの衝撃を緩和する。   At this time, since the support material 5 is at a lower temperature than the core 3, the core expands and moves relative to the support material 5. The relative movement is absorbed by the gap between the bolt insertion portions 11 of the support material 5. In addition, when the clearance gap is small, it is absorbed also by the elastic deformation of the cushion material 8. The support material 5 is fixed to a frame or the like in the engine room, and vibrations accompanying the traveling of the automobile are transmitted to the support material 5. The vibration is absorbed by the cushion material 8 and alleviates the impact on the radiator.

次に、図３は本発明の第２実施例であり、この例が図１のそれと異なる点は、図１におけるワッシャ15が存在せず、その代わり、ボルト12の頭部およびナット13の端面に一体にフランジ部17が形成された点である。   Next, FIG. 3 shows a second embodiment of the present invention. This example differs from that of FIG. 1 in that the washer 15 in FIG. 1 does not exist, and instead, the head of the bolt 12 and the end face of the nut 13. In other words, the flange portion 17 is integrally formed.

次に、図４は、本発明のさらに他の実施例であり、この例が図１のそれと異なる点は、サポート材５の側壁先端に設けられたボルト挿通部11の孔縁部に凹陥部16が形成された点である。さらに、ボルト12およびナット13にフランジ部17が設けられている。この凹陥部16の直径は、ワッシャ15の直径よりも僅かに大であり、それが凹陥部16に着座される。そして、ワッシャ15の着座およびボルト12およびナット13の締結構造が安定する。   Next, FIG. 4 shows still another embodiment of the present invention. This example is different from that of FIG. 1 in that a recessed portion is formed in the hole edge portion of the bolt insertion portion 11 provided at the end of the side wall of the support material 5. 16 is the point formed. Further, the bolt 12 and the nut 13 are provided with a flange portion 17. The diameter of the recessed portion 16 is slightly larger than the diameter of the washer 15 and is seated on the recessed portion 16. Then, the seating of the washer 15 and the fastening structure of the bolt 12 and the nut 13 are stabilized.

次に、図５はサポート材５の他の例であり、この例は側壁端の一部が欠切された点である。   Next, FIG. 5 shows another example of the support material 5, which is a point in which a part of the side wall end is cut off.

次に、図６は、本発明のさらに他の実施例であり、この例が図４の実施例と異なる点は、ワッシャ15の形状および、その配置位置である。この例のワッシャ15は、市販の平ワッシャであり、偏平なものである。そのワッシャ15は、クッション材８の端面とサポート材５の側壁との間に配置されている。さらに、一対の金属管９の一端どうしを突き当て、各金属管９の他端が一対の前記一対ワッシャ15に当接されている。その状態で、クッション材８の端面が拡開部７の端面より突出されている。これにより、サポート材５の側面と樹脂タンク４の貫通孔６の端面との物理的接触を確実に防ぎ、樹脂タンク４の側面に応力が加わることを防止できる。さらに、クッション材８が軸線方向に過度に圧縮されることを防止して、クッション材８の機能を維持できる。   Next, FIG. 6 shows still another embodiment of the present invention, and this embodiment is different from the embodiment of FIG. 4 in the shape of the washer 15 and its arrangement position. The washer 15 in this example is a commercially available flat washer and is flat. The washer 15 is disposed between the end surface of the cushion material 8 and the side wall of the support material 5. Further, one end of the pair of metal tubes 9 is abutted against each other, and the other end of each metal tube 9 is in contact with the pair of washers 15. In this state, the end surface of the cushion material 8 protrudes from the end surface of the expanded portion 7. Thereby, the physical contact with the side surface of the support material 5 and the end surface of the through-hole 6 of the resin tank 4 can be reliably prevented, and stress can be prevented from being applied to the side surface of the resin tank 4. Furthermore, the cushion material 8 can be prevented from being excessively compressed in the axial direction, and the function of the cushion material 8 can be maintained.

１ チューブ
２ チューブプレート
３ コア
４ タンク
５ サポート材
６ 貫通孔
７ 拡開部
7a 段付き
８ クッション材
９ 金属管
10 溝状部 1 Tube 2 Tube Plate 3 Core 4 Tank 5 Support Material 6 Through Hole 7 Expanded Part
7a Stepped 8 Cushion material 9 Metal tube
10 Groove

11 ボルト挿通部
12 ボルト
13 ナット
14 端面
15 ワッシャ
15a 筒部
16 凹陥部
17 フランジ部
18 シールリング
19 段部
20 フィン 11 Bolt insertion part
12 volts
13 Nut
14 End face
15 Washer
15a Tube
16 Recess
17 Flange
18 Seal ring
19 steps
20 fins

Claims (7)

並列された多数のチューブ(1)の両端が貫通する一対のチューブプレート(2)を有するコア(3)と、各チューブプレート(2)により開口が閉塞される樹脂製の一対のタンク(4)と、一対のタンク(4)の長手方向の両端の間を連結する一対のサポート材(5)と、を有する熱交換器のサポート材(5)の取付構造において、
各タンク(4)の長手方向の両端に、その幅方向に貫通する貫通孔(6)がそれぞれ設けられ、各貫通孔(6)の両端部に先端側に段付き(7a)に拡開された一対の拡開部(7)を有し、
各拡開部(7)にゴム弾性を有する筒状のクッション材(8)が挿入されて、そのクッション材(8)の一端が前記段付き(7a)に当接され、
そのクッション材(8)に金属管(9)が挿通されて、その金属管(9)とタンク(4)の貫通孔(6)とがその全長に渡り非接触状態となり、
前記サポート材(5)の少なくとも両端部に溝状部(10)が形成されると共に、その溝状部(10)の対向する両側壁にボルト挿通部(11)が形成され、
そのボルト挿通部(11)が、前記金属管(9)に整合されて、それらにボルト(12)が挿通され、そのボルト(12)の先端にナット(13)が取付られたことを特徴とする熱交換器のサポート材の取付構造。 A core (3) having a pair of tube plates (2) through which both ends of a large number of tubes (1) arranged in parallel, and a pair of resin tanks (4) whose openings are closed by each tube plate (2) And a mounting structure of the support material (5) of the heat exchanger having a pair of support materials (5) connecting between both ends in the longitudinal direction of the pair of tanks (4),
Through-holes (6) penetrating in the width direction are provided at both ends in the longitudinal direction of each tank (4), respectively, and widened to a step (7a) at the tip side at both ends of each through-hole (6). A pair of expanded portions (7)
A cylindrical cushion material (8) having rubber elasticity is inserted into each expanded portion (7), and one end of the cushion material (8) is brought into contact with the step (7a),
The metal pipe (9) is inserted into the cushion material (8), and the metal pipe (9) and the through hole (6) of the tank (4) are in a non-contact state over the entire length,
A groove portion (10) is formed at least at both ends of the support material (5), and bolt insertion portions (11) are formed on opposite side walls of the groove portion (10).
The bolt insertion part (11) is aligned with the metal tube (9), the bolt (12) is inserted through them, and the nut (13) is attached to the tip of the bolt (12). Mounting structure for heat exchanger support material. 請求項１に記載の熱交換器のサポート材の取付構造において、
各クッション材(8)の端面が拡開部(7)の端面より突出され、そのクッション材(8)の端面とサポート材(5)の側壁との間に偏平な一対のワッシャ(15)が配置された熱交換器のサポート材の取付構造。 In the heat exchanger support material mounting structure according to claim 1,
The end face of each cushion material (8) protrudes from the end face of the expanded portion (7), and a pair of flat washers (15) are provided between the end face of the cushion material (8) and the side wall of the support material (5). Mounting structure for the support material of the arranged heat exchanger. 請求項２に記載の熱交換器のサポート材の取付構造において、
金属管(9)の両端面が一対の前記一対ワッシャ(15)に当接された状態で、前記クッション材(8)の端面が拡開部(7)の端面より突出された熱交換器のサポート材の取付構造。 In the mounting structure of the support material of the heat exchanger according to claim 2,
In a state where both end surfaces of the metal tube (9) are in contact with the pair of washers (15), the end surface of the cushion material (8) is protruded from the end surface of the expanded portion (7). Support material mounting structure. 請求項１に記載の熱交換器のサポート材の取付構造において、
クッション材(8)の端面が拡開部(7)の端面より突出され、サポート材(5)の前記両側壁の外側にワッシャ(15)が配置されて、そのワッシャ(15)とクッション材(8)との間にサポート材(5)のボルト挿通部(11)が挟持された熱交換器のサポート材の取付構造。 In the heat exchanger support material mounting structure according to claim 1,
The end face of the cushion material (8) protrudes from the end face of the widened portion (7), and washers (15) are disposed outside the both side walls of the support material (5), and the washer (15) and the cushion material ( Mounting structure of the support material of the heat exchanger in which the bolt insertion portion (11) of the support material (5) is sandwiched between the support material (5) and 8). 請求項４に記載の熱交換器のサポート材の取付構造において、
前記ワッシ(15)の中心孔の孔縁に短い筒部(15a)が軸線方向に突設され、その筒部(15a)先端が前記金属管(9)の端面(14)に当接する熱交換器のサポート材(5)の取付構造。 In the mounting structure of the support material of the heat exchanger according to claim 4,
A short cylindrical part (15a) is provided in the axial direction at the hole edge of the central hole of the washer (15), and the end of the cylindrical part (15a) is in contact with the end surface (14) of the metal tube (9). Mounting structure for the support material (5) of the vessel. 請求項５に記載の熱交換器のサポート材の取付構造において、
前記サポート材(5)の前記ボルト挿通部(11)の孔縁部の外面側に、環状に凹陥した凹陥部(16)を有し、その凹陥部(16)に前記ワッシャ(15)が着座された熱交換器のサポート材(5)の取付構造。 In the attachment structure of the support material of the heat exchanger according to claim 5,
On the outer surface side of the hole edge portion of the bolt insertion portion (11) of the support material (5), there is a recessed portion (16) that is annularly recessed, and the washer (15) is seated in the recessed portion (16) Mounting structure of the heat exchanger support material (5). 請求項１に記載の熱交換器のサポート材の取付構造において、
前記ボルト(12)の頭部およびナット(13)にフランジ部(17)が一体に設けられた熱交換器のサポート材の取付構造。 In the heat exchanger support material mounting structure according to claim 1,
A heat exchanger support member mounting structure in which a flange (17) is integrally provided on a head of the bolt (12) and a nut (13).
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