JPS6349373Y2 - - Google Patents
Info
- Publication number
- JPS6349373Y2 JPS6349373Y2 JP1980187599U JP18759980U JPS6349373Y2 JP S6349373 Y2 JPS6349373 Y2 JP S6349373Y2 JP 1980187599 U JP1980187599 U JP 1980187599U JP 18759980 U JP18759980 U JP 18759980U JP S6349373 Y2 JPS6349373 Y2 JP S6349373Y2
- Authority
- JP
- Japan
- Prior art keywords
- cap
- diameter cylindrical
- cylindrical portion
- connecting pipe
- synthetic resin
- 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
Links
- 229920003002 synthetic resin Polymers 0.000 claims description 18
- 239000000057 synthetic resin Substances 0.000 claims description 18
- 239000002184 metal Substances 0.000 claims description 15
- 239000000498 cooling water Substances 0.000 description 7
- 239000007788 liquid Substances 0.000 description 6
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000003856 thermoforming Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
Landscapes
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Description
【考案の詳細な説明】
産業上の利用分野
本考案は、特に、キヤブオーバ型自動車等のエ
ンジンのウオータージヤケツトに連結して、その
上方部に冷却水を供給充満させるために用いられ
る合成樹脂製ヘツダータンクに関するものであ
る。[Detailed description of the invention] Industrial application field The present invention is particularly applicable to a synthetic resin jacket which is connected to the water jacket of an engine of a cab-over type automobile, etc., and is used to supply and fill the upper part of the water jacket with cooling water. This concerns the header tank.
従来の技術
従来、キヤブオーバ型自動車においては、エン
ジンの上にキヤブが設けられる関係上、エンジン
設置場所に制限を受け、ラジエータの上端がエン
ジンのウオータージヤケツトの上端より下方に位
置して取付けられることがあり、この場合、冷却
水がウオータージヤケツトの上方部に充満されな
いことになる。Conventional technology Conventionally, in cab-over type automobiles, because the cab is installed above the engine, there are restrictions on where the engine can be installed, and the upper end of the radiator is positioned below the upper end of the engine's water jacket. In this case, the upper part of the water jacket will not be filled with cooling water.
そして、冷却水の沸騰温度を高くするため、ヘ
ツダータンク内には最高0.5Kg/cm2の大気圧以上
の圧力が発生するように構成され、したがつてヘ
ツダータンク内の冷却水温度は最高100℃〜105℃
に達する。 In order to raise the boiling temperature of the cooling water, the header tank is configured to generate a maximum pressure of 0.5 kg/cm 2 above atmospheric pressure, and therefore the cooling water temperature in the header tank is at a maximum of 100℃~ 105℃
reach.
従来公知の合成樹脂製ヘツダータンクは、第1
図に示すように、タンク本体1の外部に突出して
一体に形成した合成樹脂製の連管2の注入口部3
の端部に金属製のキヤツプ4を嵌着し、第2図に
示すように、注入口部3の口縁外周に係止つば5
を一体に形成し、キヤツプ4の係合片6を注入口
部3の係止つば5の下面に圧着させることにより
嵌着位置に保持し、注入口部3の内部に形成した
弁座に弁7をスプリングにより圧着し、連管2の
注入口部3を弁7により密閉していた。 The conventionally known synthetic resin header tank has a first
As shown in the figure, an inlet portion 3 of a synthetic resin connecting pipe 2 that is integrally formed and protrudes from the outside of the tank body 1.
As shown in FIG.
The engaging piece 6 of the cap 4 is crimped to the lower surface of the locking collar 5 of the inlet part 3 to hold it in the fitted position. 7 was crimped with a spring, and the injection port 3 of the connecting pipe 2 was sealed by the valve 7.
また、合成樹脂製の液体容器に連続する部材を
突出して一体に形成し、連続する部材の端部に埋
込金具を取付けた動力農機などに用いる合成樹脂
製液体容器が実開昭48−47707号公報として提案
されている。 In addition, a synthetic resin liquid container for use in power agricultural machinery, etc., which is integrally formed with a continuous member protruding from the synthetic resin liquid container and has a built-in metal fitting attached to the end of the continuous member, was developed in 1987-47707. It has been proposed as a publication number.
考案が解決しようとする課題
ところが、従来公知の合成樹脂製ヘツダータン
クでは、注入口部3の端部に装着したキヤツプ4
が弁7を注入口部3内部の弁座に対して押圧する
スプリングの反力を受け、注入口部3の係止つば
5に対して第2図の矢印a方向の外力がキヤツプ
4の係合片6により作用すると共に、タンク本体
内の冷却水による圧力と温度とを受けるので、注
入口部3の係止つば5が変形し、タンク本体1の
保持圧力が低下し、注入口部3の圧力保持能力が
悪くなる欠点があり、場合によつては、注入口部
3の係止つば5が破損に至ることもあつた。Problems to be Solved by the Invention However, in the conventionally known header tank made of synthetic resin, the cap 4 attached to the end of the inlet part 3
receives the reaction force of the spring that presses the valve 7 against the valve seat inside the inlet part 3, and an external force in the direction of arrow a in FIG. As it is acted by the coupling piece 6 and receives the pressure and temperature of the cooling water inside the tank body, the locking collar 5 of the inlet part 3 is deformed, the holding pressure of the tank body 1 is reduced, and the inlet part 3 is This has the disadvantage that the pressure holding ability of the inlet is deteriorated, and in some cases, the locking collar 5 of the injection port 3 may be damaged.
また、実開昭48−47707号公報記載のものは、
埋込金具を液体容器の底壁から突出させると共
に、底壁の下側においては埋込金具の周壁を、底
壁の上側においては埋込金具の周壁及び上端を底
壁から連続させた部材で被覆し、液体容器と埋込
金具との接着部分の気密性を向上させるようにし
たものであり、液体容器の底壁に埋込金具を埋設
しなければならないので、埋込金具の液体容器へ
の取付けが面倒であつた。 In addition, the one described in Japanese Utility Model Application Publication No. 48-47707 is
The embedded metal fittings are made to protrude from the bottom wall of the liquid container, and the peripheral wall of the embedded metal fittings is covered below the bottom wall, and the peripheral wall and upper end of the embedded metal fittings are covered above the bottom wall with a member that continues from the bottom wall, thereby improving the airtightness of the adhesive joint between the liquid container and the embedded metal fittings.However, since the embedded metal fittings must be embedded in the bottom wall of the liquid container, attaching the embedded metal fittings to the liquid container was troublesome.
本考案の目的は、上述する問題点に対処して、
口金が金属製であつて、口金にタンク本体の冷却
水による圧力及び温度が作用しても、口金の係止
つばが変形したり破損することがないので、タン
ク本体の保持圧力の低下の発生が防止され、連管
の圧力保持能力が悪くなることがなく、連管の弁
座が口金の環状段部に係合するので、連管に対す
る口金の結合がきわめて強固となり、連管の嵌合
部に口金の小径筒部を嵌合した後、口金の大径筒
部の内部に位置する連管の嵌合部の端部に係止つ
ばを形成するのみの簡単な作業で連管に対する口
金の取付と弁座の形成とを同時に行うことが可能
な合成樹脂製ヘツダータンクを提供することにあ
る。 The purpose of the present invention is to address the above-mentioned problems and to
The cap is made of metal, and even if the pressure and temperature of the cooling water in the tank body acts on the cap, the locking collar of the cap will not be deformed or damaged, so there will be no reduction in the holding pressure of the tank body. Since the valve seat of the connecting tube engages with the annular step of the cap, the connection of the cap to the connecting tube is extremely strong, and the fitting of the connecting tube is prevented. After fitting the small-diameter cylindrical part of the cap into the large-diameter cylindrical part of the cap, a locking collar is formed on the end of the fitting part of the continuous pipe located inside the large-diameter cylindrical part of the cap. An object of the present invention is to provide a header tank made of synthetic resin in which mounting of a valve seat and formation of a valve seat can be performed at the same time.
課題を解決するための手段
本考案の合成樹脂製ヘツダータンクは、タンク
本体の外部に突出して合成樹脂製の連管12を一
体に形成した合成樹脂製ヘツダータンクにおい
て、前記連管12の端部寄り外周に形成した嵌合
部に金属製の口金11の小径筒部13を嵌合し、
前記口金11の前記小径筒部13に環状段部15
を介して大径筒部14を前記小径筒部13と同軸
上に設け、前記大径筒部14の端部外周に係止つ
ば16を形成すると共に、前記連管12の嵌合部
の端部に前記口金11の環状段部15に係合する
弁座21を形成したことを特徴とする構成を有す
るものである。Means for Solving the Problems The synthetic resin header tank of the present invention is a synthetic resin header tank in which a synthetic resin connecting pipe 12 is integrally formed so as to protrude outside the tank body, and the outer periphery of the connecting pipe 12 is located near the end. Fitting the small diameter cylindrical part 13 of the metal cap 11 into the fitting part formed in the
An annular stepped portion 15 is provided in the small diameter cylindrical portion 13 of the cap 11.
A large-diameter cylindrical portion 14 is provided coaxially with the small-diameter cylindrical portion 13 via a locking collar 16 is formed on the outer periphery of the end of the large-diameter cylindrical portion 14, and a locking collar 16 is formed on the outer periphery of the end of the large-diameter cylindrical portion 14. It has a structure characterized in that a valve seat 21 that engages with the annular stepped portion 15 of the mouthpiece 11 is formed in the portion thereof.
実施例
以下、本考案の実施例を図面に基づいて詳細に
説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of the present invention will be described in detail
第3図において、12はタンク本体の外部に突
出して一体に形成された合成樹脂製の連管であ
り、連管12の端部には金属製の口金11が固着
され、口金11の端部には金属製のキヤツプ17
が着脱自在に装着されている。 In FIG. 3, reference numeral 12 denotes a synthetic resin connecting pipe that projects outside the tank body and is integrally formed.A metal cap 11 is fixed to the end of the connecting pipe 12, and the end of the cap 11 has a metal cap 17
is attached removably.
タンク本体に一体に形成した連管12の端部寄
り外周には連管12の外径よりも小さい外径の嵌
合部が形成され、連管12の嵌合部には口金11
の小径筒部13が嵌合され、口金11の小径筒部
13の上端には環状段部15を介して大径筒部1
4が小径筒部13と同軸上に設けられ、大径筒部
14の開口縁の端部外周には係止つば16が外方
に折曲げて一体に形成され、キヤツプ17の係止
片18が口金11の係止つば16の下面に圧接さ
れ、口金11の内部に位置する連管12の嵌合部
の端部には口金11の環状段部15に係合する弁
座21が一体に形成されている。 A fitting portion having an outer diameter smaller than the outer diameter of the connecting tube 12 is formed on the outer periphery of the connecting tube 12 that is integrally formed with the tank body, and the fitting portion has an outer diameter smaller than the outer diameter of the connecting tube 12.
A small-diameter cylindrical portion 13 is fitted, and a large-diameter cylindrical portion 1 is fitted to the upper end of the small-diameter cylindrical portion 13 of the base 11 via an annular stepped portion 15.
4 is provided coaxially with the small-diameter cylindrical portion 13 , and a locking collar 16 is bent outward and integrally formed on the outer periphery of the opening edge of the large-diameter cylindrical portion 14 , and a locking piece 18 of the cap 17 is pressed against the lower surface of the locking collar 16 of the cap 11, and a valve seat 21 that engages with the annular stepped portion 15 of the cap 11 is integrated at the end of the fitting portion of the connecting pipe 12 located inside the cap 11. It is formed.
口金11の係止つば16にはキヤツプ17の係
止片18の通路となる切欠(図示せず)が設けら
れ、キヤツプ17が係止つば16の切欠を利用し
て口金11に対して脱着される。 The locking flange 16 of the cap 11 is provided with a notch (not shown) that serves as a passage for the locking piece 18 of the cap 17, and the cap 17 is attached to and detached from the cap 11 using the notch of the locking flange 16. Ru.
口金11の大径筒部14の内部には弁19が配
設され、弁19はスプリング20の付勢力により
連管12の弁座21の端面に押圧されている。 A valve 19 is disposed inside the large-diameter cylindrical portion 14 of the cap 11, and the valve 19 is pressed against the end surface of the valve seat 21 of the connecting pipe 12 by the biasing force of a spring 20.
連管12の大径筒部14の外径は小径筒部13
の外径より大とされ、連管12の大径筒部14の
内部に配設した弁19の外径は大径筒部14の内
径よりも小とされると共に、小径筒部13の外径
よりも大とされる。 The outer diameter of the large diameter cylindrical portion 14 of the continuous pipe 12 is the same as that of the small diameter cylindrical portion 13.
The outer diameter of the valve 19 disposed inside the large-diameter cylindrical portion 14 of the continuous pipe 12 is smaller than the inner diameter of the large-diameter cylindrical portion 14, and the outer diameter of the small-diameter cylindrical portion 13 It is considered to be larger than the diameter.
第4図は連管12に対する口金11の接合法を
示すものであり、連管12の端部寄りに段付形成
した小径部である嵌合部に口金11の小径筒部1
3を嵌合した後、口金11の大径筒部14の上縁
開口部より加熱成形ヘツドHを挿入し、口金11
の大径筒部14の内部に突出して位置する連管1
2の嵌合部の端部を加熱成形ヘツドHにより押圧
することにより、連管12の嵌合部の端部に口金
11の環状段部15に係合する弁座21を第4図
の二点鎖線に示すように加熱変形させ、口金11
の小径筒部13を連管12の嵌合部に対して固定
する。 FIG. 4 shows a method of joining the cap 11 to the continuous pipe 12, in which the small diameter cylindrical portion 1 of the cap 11 is attached to the fitting portion, which is a small diameter portion stepped near the end of the continuous pipe 12.
3, insert the heat forming head H from the upper edge opening of the large diameter cylindrical portion 14 of the cap 11, and
A connecting pipe 1 located protruding inside the large diameter cylindrical part 14 of
By pressing the end of the fitting part 2 with the thermoforming head H, the valve seat 21 that engages with the annular stepped part 15 of the base 11 is formed at the end of the fitting part of the connecting pipe 12 as shown in FIG. The cap 11 is heated and deformed as shown by the dotted chain line.
The small diameter cylindrical portion 13 is fixed to the fitting portion of the continuous pipe 12.
考案の効果
以上に述べたように、本考案の合成樹脂製ヘツ
ダータンクによれば、タンク本体の外部に突出し
て一体に形成した合成樹脂製の連管12の端部寄
り外周に形成した嵌合部に金属製の口金11の小
径筒部13を嵌合し、口金11の小径筒部13に
環状段部15を介して大径筒部14を小径筒部1
3と同軸上に設け、大径筒部14の端部外周に係
止つば16を形成すると共に、連管12の嵌合部
の端部に口金11の環状段部15に係合する弁座
21を形成したことにより、口金11が金属製で
あるので、口金11にタンク本体の冷却水による
圧力及び温度が作用しても、口金11の係止つば
16が変形したり破損することがないので、タン
ク本体の保持圧力の低下の発生を完全に防止する
ことができ、連管12の圧力保持能力が悪くなる
ことがなく、連管12の弁座21が口金11の環
状段部15に係合するので、連管12に対する口
金11の結合がきわめて強固となり、連管12の
嵌合部に口金11の小径筒部13を嵌合した後、
口金11の大径筒部14の内部に位置する連管1
2の嵌合部の端部に係止つば16を形成するのみ
の簡単な作業で連管12に対する口金11の取付
と弁座21の形成を同時に行うことができるので
便利となる。Effects of the Invention As described above, according to the synthetic resin header tank of the present invention, the fitting portion is formed on the outer periphery near the end of the synthetic resin connecting pipe 12 that is integrally formed and protrudes from the outside of the tank body. The small-diameter cylindrical portion 13 of the metal cap 11 is fitted into the small-diameter cylindrical portion 13 of the metal cap 11, and the large-diameter cylindrical portion 14 is connected to the small-diameter cylindrical portion 13 of the cap 11 via the annular stepped portion 15.
A valve seat is provided coaxially with 3 and has a locking collar 16 formed on the outer periphery of the end of the large-diameter cylindrical portion 14, and engages with the annular stepped portion 15 of the cap 11 at the end of the fitting portion of the connecting pipe 12. Since the cap 11 is made of metal, the locking collar 16 of the cap 11 will not be deformed or damaged even if pressure and temperature from the cooling water of the tank body act on the cap 11. Therefore, a decrease in the holding pressure of the tank body can be completely prevented, the pressure holding ability of the connecting pipe 12 will not deteriorate, and the valve seat 21 of the connecting pipe 12 will not fit into the annular stepped portion 15 of the mouthpiece 11. Because of this, the coupling of the cap 11 to the connecting tube 12 becomes extremely strong, and after fitting the small diameter cylindrical portion 13 of the cap 11 to the fitting portion of the connecting tube 12,
A connecting pipe 1 located inside the large-diameter cylindrical portion 14 of the cap 11
It is convenient because the attachment of the cap 11 to the connecting pipe 12 and the formation of the valve seat 21 can be performed at the same time by simply forming the locking collar 16 at the end of the fitting portion of the valve 2.
第1図は、従来公知の合成樹脂製ヘツダータン
クの正面図、第2図は、第1図の注入口部の要部
断面図、第3図は、本考案の実施例の合成樹脂製
ヘツダータンクの注入口部の要部断面図、第4図
は、第3図の連管に対する口金の接合法を示す要
部断面図である。
1……タンク本体、2……連管、3……注入口
部、4……キヤツプ、5……係止つば、6……係
合片、7……弁、11……口金、12……連管、
13……小径筒部、14……大径筒部、15……
環状段部、16……係止つば、17……キヤツ
プ、18……係止片、19……弁、20……スプ
リング、21……弁座、H……加熱成形ヘツド。
Fig. 1 is a front view of a conventionally known synthetic resin header tank, Fig. 2 is a cross-sectional view of the main part of the injection port shown in Fig. 1, and Fig. 3 is a synthetic resin header tank according to an embodiment of the present invention. FIG. 4 is a cross-sectional view of the main part of the injection port section, showing a method of joining the mouthpiece to the continuous pipe of FIG. 3. DESCRIPTION OF SYMBOLS 1... Tank body, 2... Connecting pipe, 3... Inlet part, 4... Cap, 5... Locking collar, 6... Engaging piece, 7... Valve, 11... Cap, 12... …connection,
13...Small diameter cylindrical part, 14...Large diameter cylindrical part, 15...
Annular step, 16...locking collar, 17...cap, 18...locking piece, 19...valve, 20...spring, 21...valve seat, H...thermoforming head.
Claims (1)
12を一体に形成した合成樹脂製ヘツダータンク
において、前記連管12の端部寄り外周に形成し
た嵌合部に金属製の口金11の小径筒部13を嵌
合し、前記口金11の前記小径筒部13に環状段
部15を介して大径筒部14を前記小径筒部13
と同軸上に設け、前記大径筒部14の端部外周に
係止つば16を形成すると共に、前記連管12の
嵌合部の端部に前記口金11の環状段部15に係
合する弁座21を形成したことを特徴とする合成
樹脂製ヘツダータンク。 In a synthetic resin header tank in which a synthetic resin connecting pipe 12 is integrally formed so as to protrude outside the tank body, a small diameter cylindrical portion of a metal cap 11 is attached to a fitting portion formed on the outer periphery of the connecting pipe 12 near the end. 13, and connect the large diameter cylindrical part 14 to the small diameter cylindrical part 13 of the base 11 via the annular step part 15.
A locking collar 16 is formed on the outer periphery of the end of the large-diameter cylindrical portion 14 and is engaged with the annular stepped portion 15 of the cap 11 at the end of the fitting portion of the connecting pipe 12. A synthetic resin header tank characterized by forming a valve seat 21.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1980187599U JPS6349373Y2 (en) | 1980-12-27 | 1980-12-27 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1980187599U JPS6349373Y2 (en) | 1980-12-27 | 1980-12-27 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57109920U JPS57109920U (en) | 1982-07-07 |
JPS6349373Y2 true JPS6349373Y2 (en) | 1988-12-19 |
Family
ID=29990541
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1980187599U Expired JPS6349373Y2 (en) | 1980-12-27 | 1980-12-27 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6349373Y2 (en) |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4847707U (en) * | 1971-10-11 | 1973-06-22 |
-
1980
- 1980-12-27 JP JP1980187599U patent/JPS6349373Y2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS57109920U (en) | 1982-07-07 |
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