JPH01193688A - Wax type thermal response expansion apparatus - Google Patents
Wax type thermal response expansion apparatusInfo
- Publication number
- JPH01193688A JPH01193688A JP63316251A JP31625188A JPH01193688A JP H01193688 A JPH01193688 A JP H01193688A JP 63316251 A JP63316251 A JP 63316251A JP 31625188 A JP31625188 A JP 31625188A JP H01193688 A JPH01193688 A JP H01193688A
- Authority
- JP
- Japan
- Prior art keywords
- cover
- end surface
- container
- flange
- wax
- 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 - Lifetime
Links
- 238000007789 sealing Methods 0.000 claims description 38
- 230000008602 contraction Effects 0.000 claims description 17
- 229920001971 elastomer Polymers 0.000 claims description 15
- 239000002184 metal Substances 0.000 claims description 10
- 229920002379 silicone rubber Polymers 0.000 description 4
- 239000004945 silicone rubber Substances 0.000 description 4
- 238000004073 vulcanization Methods 0.000 description 3
- 229920000459 Nitrile rubber Polymers 0.000 description 2
- 229920000800 acrylic rubber Polymers 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 229920000058 polyacrylate Polymers 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- 241000272814 Anser sp. Species 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Landscapes
- Details Of Measuring And Other Instruments (AREA)
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
- Temperature-Responsive Valves (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野］
この発明は自動車用キャブレータ−のオートチョーク等
のように低温から高温までの範囲で使用される可動部材
制御用のワックス式熱応動伸縮装置に関するものである
。[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a wax-type thermally responsive expansion and contraction device for controlling movable members used in a range from low to high temperatures, such as auto chokes of automobile carburetors. It is something.
［従来の技術］
従来、ワックス式熱応動伸縮装置としては、ワックスを
収容した容器の開口部の内側にシール用端面を設け、か
つその開口部の外側に、前記シール用端面と同一平面上
に位置するカバー突当用端面を設け、ゴム製プランジャ
押圧部材におけるフランジを、前記容器のシール用端面
とプランジャに摺動自在に嵌挿されたカバーにおけるシ
ール面との間に介在させ、前記容器におけるシール用端
面とカバーにおけるシール面とにより、プランジャ押圧
部材におけるフランジを締付けると共に、カバーにおけ
るストッパ面を容器におけるカバー突当用端面に係合さ
せた状態で、前記カバーを容器に固定した構造のものが
知られている。[Prior Art] Conventionally, a wax-type thermally responsive expansion and contraction device has a sealing end surface provided inside the opening of a container containing wax, and a sealing end surface provided outside the opening on the same plane as the sealing end surface. a flange of the rubber plunger pressing member is interposed between the sealing end surface of the container and the sealing surface of the cover slidably inserted into the plunger; A structure in which the cover is fixed to the container with the sealing end surface and the sealing surface of the cover tightening the flange of the plunger pressing member, and the stopper surface of the cover is engaged with the cover abutting end surface of the container. It has been known.
しかるに、前記従来のワックス式熱応動伸縮装置の場合
は、ゴム製プランジャ押圧部材におけるフランジを、容
器における開口部のシール用端面とカバーにおけるシー
ル面との間に介在させて締付けるとき、前記フランジが
カバーにおけるストッパ面と容器の開口部の端面との間
に噛み込まれることがあり、このような噛み込み状態で
、熱応動伸縮装置を組立てるとシール不良を起こすこと
がある。However, in the case of the conventional wax-type heat-responsive expansion and contraction device, when the flange of the rubber plunger pressing member is interposed between the sealing end surface of the opening in the container and the sealing surface of the cover and tightened, the flange is tightened. It may become caught between the stopper surface of the cover and the end face of the opening of the container, and if the thermally responsive expansion and contraction device is assembled in such a state, a sealing failure may occur.
この発明は、前述の問題を有利に解決できるワックス式
熱応動伸縮装ｒを提供することを目的とするものであっ
て、金属製容器１内にワックス２が収容され、プランジ
ャ押圧部材３におけるフランジ４が、前記容器１の開口
端面と、プランジャ５に摺動自在に嵌挿されて金属製容
器ｌの開口部周縁に固定されているカバー６との間に介
在されて締付固定されているワックス式熱応動伸縮装置
において、前記フランジ４が容器ｌの開口部の内側にあ
るシール用端面７とカバー６のシール面８との間に介在
されて締付けられ、前記容′！＆１の開口部の外側にあ
るカバー突当用端面９と、これに係合されるカバー６の
ストッパ面１０とは、前記シール用端面７からプランジ
ャ長手方向に偏位して配置されていることを特徴とする
ワックス式熱応動伸縮装置を要旨とするものである。An object of the present invention is to provide a wax-type thermally responsive expansion device r that can advantageously solve the above-mentioned problems, in which wax 2 is housed in a metal container 1 and a flange on a plunger pressing member 3 is provided. 4 is interposed between the opening end surface of the container 1 and a cover 6 which is slidably fitted into the plunger 5 and fixed to the periphery of the opening of the metal container 1, and is fastened and fixed thereto. In the wax-type thermally responsive expansion and contraction device, the flange 4 is interposed between the sealing end surface 7 on the inside of the opening of the container l and the sealing surface 8 of the cover 6, and is tightened. The cover abutting end surface 9 on the outside of the opening of &1 and the stopper surface 10 of the cover 6 that is engaged therewith are arranged offset from the sealing end surface 7 in the longitudinal direction of the plunger. The gist is a wax-type thermally responsive expansion and contraction device characterized by the following.
（実施例） 次にこの発明を図示の例によって詳細に説明する。(Example) Next, the present invention will be explained in detail using illustrated examples.
第１図および第２図はこの発明の第１実施例を示すもの
であって、金属製容器１内に、ワックス２と、ニトリル
ゴム、アクリルゴムのような機械的強度の大きいゴムに
より作られたフランジ付きスリーブからなるプランジャ
押圧部材３におけるスリーブ１２とが収容され、そのス
リーブ１２内に摺動自在に嵌挿された金属製プランジャ
５におけるスリーブ１２内の端部には、円錐形部分が形
成され、前記プランジャ押圧部材３におけるフランジ４
の裏面には、予めシリコンゴムまたはフッ化シリコンゴ
ムのような耐熱性（耐高温、耐低温性）ゴムからなる環
状のシール板１１が加硫接着により一体に固着され、そ
の環状のシール板１１は容器１の開口部の内側にあるシ
ール用端面７に当接され、前記容器１の開口部の外側に
はカバー突当用端面９が設けられ、そのカバー突当用端
面９は前記シール用端面７から容器底部側に偏位し板１
３が加硫接着により一体に固着され、さらに前記プラン
ジャ５の中間部には金属製カバー６が摺動自在に嵌合さ
れている。1 and 2 show a first embodiment of the present invention, in which a metal container 1 is filled with wax 2 and a rubber made of mechanically strong rubber such as nitrile rubber or acrylic rubber. The sleeve 12 of the plunger pressing member 3 made of a flanged sleeve is housed, and a conical portion is formed at the end inside the sleeve 12 of the metal plunger 5 that is slidably inserted into the sleeve 12. and the flange 4 of the plunger pressing member 3
An annular sealing plate 11 made of heat-resistant (high-temperature, low-temperature resistant) rubber such as silicone rubber or fluorinated silicone rubber is fixed in advance to the back surface of the annular sealing plate 11 by vulcanization adhesive. is in contact with the sealing end surface 7 on the inside of the opening of the container 1, and a cover abutting end surface 9 is provided on the outside of the opening of the container 1, and the cover abutting end surface 9 is in contact with the sealing end surface 7 on the inside of the opening of the container 1. The plate 1 is deviated from the end surface 7 toward the bottom of the container.
3 are fixed together by vulcanization adhesive, and a metal cover 6 is slidably fitted to the intermediate portion of the plunger 5.
カバー７の先端部の内側に設けられた環状溝に、０リン
グ１４が嵌合されると共に、スナップリングからなる押
えリング１５が嵌設され、かつカバー６の基端部内に、
前記シール板１１付きフランジ４および環状シール板１
３付きスリーブ端部ならびに容器１の開口端部が嵌入さ
れ、容器１の開口部のカバー突当用端面９に、カバー６
の基端側の内部に設けられたストッパ面１０が突き当て
られた状態で、容器１の開口部のシール用端面７とカバ
ー６のシール面８とにより前記フランジ４および環状シ
ール板１１が圧縮され、この状態でカバー６の基端縁部
が容器１に対しカシメ付けにより固定されている。An O-ring 14 is fitted into an annular groove provided inside the distal end of the cover 7, and a retaining ring 15 made of a snap ring is fitted into the annular groove provided inside the distal end of the cover 6.
Flange 4 with the seal plate 11 and annular seal plate 1
The end of the sleeve with 3 and the open end of the container 1 are fitted, and the cover 6
The flange 4 and the annular sealing plate 11 are compressed by the sealing end surface 7 of the opening of the container 1 and the sealing surface 8 of the cover 6 while the stopper surface 10 provided inside the proximal end of the container 1 is abutted. In this state, the base end edge of the cover 6 is fixed to the container 1 by caulking.
第３図および第４図はこの発明の第２実施例を示すもの
であって、環状のシール板１１とフランジ４とが別体に
製作され、かつそのシール板１１の外周には環状係止突
条１６が一体に連設され、その環状係止突条１６とカバ
ー６の基端部に設けられた箇条部分１７の端部とは容器
１の開口端面に設けられた環状係止溝１８に嵌入され、
容器１の開口端部の外側に連設された筒体の縁部のカシ
メ付けにより容器１とカバー６とが固定され、第１実施
例におけるＯリング１４および押えリング１５が省略さ
れているが、その他の構成は第１実施例の場合と同様で
ある。FIGS. 3 and 4 show a second embodiment of the present invention, in which an annular seal plate 11 and a flange 4 are manufactured separately, and an annular lock is attached to the outer periphery of the seal plate 11. A protrusion 16 is integrally arranged, and the annular locking protrusion 16 and the end of the section 17 provided at the base end of the cover 6 are connected to an annular locking groove 18 provided on the opening end surface of the container 1. was inserted into
Although the container 1 and the cover 6 are fixed by caulking the edge of the cylindrical body continuous to the outside of the open end of the container 1, the O-ring 14 and the presser ring 15 in the first embodiment are omitted. , the other configurations are the same as in the first embodiment.
第５図および第６図はこの発明の第３実施例を示すもの
であって、ニトリルゴム、アクリルゴムのような機械的
強度の大きいゴムにより作られたフランジ付きスリーブ
からなるプランジャ押圧部材３における容器内に位置す
るスリーブ１２の外面およびフランジ４の裏面に、予め
シリコンゴムまたはフッ化シリコンゴムのような耐熱性
ゴムからなる耐熱保護層１９が加硫接着により一体に設
けられているが、その他の構成は第２実施例の場合と同
様である。5 and 6 show a third embodiment of the present invention, in which a plunger pressing member 3 is made of a flanged sleeve made of rubber with high mechanical strength such as nitrile rubber or acrylic rubber. A heat-resistant protective layer 19 made of heat-resistant rubber such as silicone rubber or fluorinated silicone rubber is previously provided integrally on the outer surface of the sleeve 12 and the back surface of the flange 4 located inside the container by vulcanization adhesion. The configuration is similar to that of the second embodiment.
第７図はこの発明の第４実施例を示すものであって、金
属製容器１内にワックス２が収容され、その容器１の開
口部の内側にあるシール用端面７に、前述のような耐熱
性ゴムからなる円板状のシール板１１における周縁部が
当接され、前述のような機械的強度の大きいゴムからな
るダイヤフラム状のプランジャ押圧部材３はシール板１
１に重合され、金属製カバー６の中心部には、基端側か
拡大している中心孔２０が設けられ、その中心孔２０の
基端側には圧縮変形自在なゴムピストン２１が嵌合され
、かつ中心孔２０に摺動自在に嵌挿されたプランジャ５
と前記ゴムピストン２１との間にシール板１３が介在さ
れ、容器の開口部のシール用端面７とカバー６のシール
面８とにより、プランジャ押圧部材３の周囲のフランジ
４およびシール板１１の周囲が締付けられ、さらに容器
１におけるシール用端面７から容器底部側に偏位してい
るカバー突当用端面９に、カバー６のストッパ面１０が
係合され、この状態でカバー６の基端部に連設された筒
体の端縁部が、容器ｌに対しカシメ付けにより固定され
ている。FIG. 7 shows a fourth embodiment of the present invention, in which wax 2 is housed in a metal container 1, and the sealing end surface 7 inside the opening of the container 1 is provided with the sealing end surface 7 as described above. The peripheral edge of the disk-shaped seal plate 11 made of heat-resistant rubber is in contact with the seal plate 1, and the diaphragm-shaped plunger pressing member 3 made of rubber with high mechanical strength as described above is in contact with the seal plate 1.
1, a center hole 20 is provided in the center of the metal cover 6 and is enlarged on the proximal end side, and a compressively deformable rubber piston 21 is fitted into the proximal end side of the center hole 20. and a plunger 5 slidably inserted into the center hole 20.
A sealing plate 13 is interposed between the rubber piston 21 and the sealing end surface 7 of the opening of the container and the sealing surface 8 of the cover 6. is tightened, and the stopper surface 10 of the cover 6 is engaged with the cover abutting end surface 9 which is deviated from the sealing end surface 7 of the container 1 toward the bottom of the container, and in this state, the base end of the cover 6 is tightened. The end edge of the cylindrical body connected to is fixed to the container l by caulking.
前記各実施例の場合は、カバー突当用端面９がシール用
端面７よりも容器底部側に偏位して配置されているが、
これと逆に、シール用端面７がカバー突当用端面９より
も容器底部側に偏位して配置されていてもよい。In each of the embodiments described above, the cover abutting end surface 9 is arranged to be deviated from the sealing end surface 7 toward the bottom of the container.
On the contrary, the sealing end surface 7 may be arranged to be offset toward the container bottom side with respect to the cover abutting end surface 9.
この発明を実施する場合、耐熱ゴム製シール板１１を省
略してもよい。When implementing this invention, the heat-resistant rubber seal plate 11 may be omitted.
この発明によれば、ワックス式熱応動伸縮装置における
プランジャ押圧部材３におけるフランジ４が、ワックス
２を収容した容器ｌの開口部の内側にあるシール用端面
７とカバー６のシール面８との間に介在されて締付けら
れ、前記容器１の開口部の外側にあるカバー突当用端面
９と、これに係合されるカバー６のストッパ面１０とは
、前記シール用端面７からプランジャ長手方向に偏位し
て配置されているので、前記プランジャ押圧部材３にお
けるフランジ４を容器１におけるカバー突当用端面９か
らプランジャ長手方向に偏位した位置に保持した状態で
、フランジ４の圧縮を行なうことができ、そのため熱応
動伸縮装置を組立てる際のフランジ４の噛み込みを防止
して、容器１とプランジ中押圧部材３のフランジ４とカ
バー６との接合部を確実にシールすることができる効果
が得られる。According to this invention, the flange 4 of the plunger pressing member 3 in the wax-type thermally responsive expansion and contraction device is located between the sealing end surface 7 located inside the opening of the container l containing the wax 2 and the sealing surface 8 of the cover 6. The cover abutting end surface 9, which is interposed and tightened and is located outside the opening of the container 1, and the stopper surface 10 of the cover 6, which is engaged with this, extend from the sealing end surface 7 in the longitudinal direction of the plunger. Since the flange 4 of the plunger pressing member 3 is held at a position deviated from the cover abutting end surface 9 of the container 1 in the longitudinal direction of the plunger, the flange 4 is compressed. Therefore, it is possible to prevent the flange 4 from getting caught when assembling the thermally responsive expansion/contraction device, and to reliably seal the joint between the flange 4 of the container 1 and the plunger pressing member 3 and the cover 6. can get.
第１図はこの発明の第１実施例に係るワックス式熱応動
伸縮装置の縦断側面図、第２図はその一部の拡大縦断側
面図である。第３図はこの発明の第２実施例に係るワッ
クス式熱応動伸縮装置の縦断側面図、第４図はその一部
の拡大縦断側面図である。第５図はこの発明の第３実施
例に係るワックス式熱応動伸縮装置の縦断側面図、第６
図はその一部の拡大縦断側面図である。第７図はこの発
明の第４実施例に係るワックス式熱応動伸縮装置の縦断
側面図である。
図において、１は金属製容器、２はワックス、３はプラ
ンジャ押圧部材、４はフランジ、５はプランジ中、６は
カバー、７はシール用端面、８はシール面、９はカバー
突当用端面、ｌＯはストッパ面、１１は耐熱ゴム製シー
ル板、１２はスリーブ、１３は環状シール板、１６は環
状係止突条、１７は筒状部分、１８は環状係上溝、１９
は耐熱保護層、２１はゴムピストンである。
〔−−−二′、７
代理人 阿 部 稔：・、１゜
し−一部 鵞
第２図FIG. 1 is a longitudinal sectional side view of a wax-type thermally responsive expansion and contraction device according to a first embodiment of the present invention, and FIG. 2 is an enlarged longitudinal sectional side view of a portion thereof. FIG. 3 is a longitudinal sectional side view of a wax-type thermally responsive expansion and contraction device according to a second embodiment of the present invention, and FIG. 4 is an enlarged longitudinal sectional side view of a portion thereof. FIG. 5 is a longitudinal cross-sectional side view of a wax-type thermally responsive expansion and contraction device according to a third embodiment of the present invention, and FIG.
The figure is an enlarged longitudinal sectional side view of a portion thereof. FIG. 7 is a longitudinal sectional side view of a wax-type thermally responsive expansion and contraction device according to a fourth embodiment of the present invention. In the figure, 1 is a metal container, 2 is a wax, 3 is a plunger pressing member, 4 is a flange, 5 is a plunger, 6 is a cover, 7 is a sealing end surface, 8 is a sealing surface, 9 is a cover abutting end surface , IO is a stopper surface, 11 is a seal plate made of heat-resistant rubber, 12 is a sleeve, 13 is an annular seal plate, 16 is an annular locking protrusion, 17 is a cylindrical portion, 18 is an annular engagement groove, 19
is a heat-resistant protective layer, and 21 is a rubber piston. [---2', 7 Agent Minoru Abe:・, 1゜shi-Part of Goose Figure 2
Claims (2)
ジャ押圧部材３におけるフランジ４が、前記容器１の開
口端面と、プランジャ５に摺動自在に嵌挿されて金属製
容器１の開口部周縁に固定されているカバー６との間に
介在されて締付固定されているワックス式熱応動伸縮装
置において、前記フランジ４が容器１の開口部の内側に
あるシール用端面７とカバー６のシール面８との間に介
在されて締付けられ、前記容器１の開口部の外側にある
カバー突当用端面９と、これに係合されるカバー６のス
トッパ面１０とは、前記シール用端面７からプランジャ
長手方向に偏位して配置されていることを特徴とするワ
ックス式熱応動伸縮装置。(1) The wax 2 is housed in a metal container 1, and the flange 4 of the plunger pressing member 3 is slidably inserted into the opening end surface of the container 1 and the plunger 5, so that the wax 2 is inserted into the opening of the metal container 1. In a wax-type heat-responsive expansion and contraction device that is interposed and tightened between a cover 6 fixed to the periphery, the flange 4 connects the sealing end surface 7 located inside the opening of the container 1 and the cover 6. A cover abutting end surface 9, which is interposed between and tightened with the sealing surface 8 and is located outside the opening of the container 1, and a stopper surface 10 of the cover 6 that is engaged with this end surface are 7. A wax-type thermally responsive expansion and contraction device characterized in that the wax-type thermally responsive expansion and contraction device is arranged offset from 7 in the longitudinal direction of the plunger.
に重合された耐熱ゴム製シール板１１とが、容器１の開
口部の内側にあるシール用端面７とカバー６のシール面
８との間に介在されて締付けられている特許請求の範囲
第１項記載のワックス式熱応動伸縮装置。(2) The flange 4 of the plunger pressing member 3 and the heat-resistant rubber sealing plate 11 superposed thereon are interposed between the sealing end surface 7 on the inside of the opening of the container 1 and the sealing surface 8 of the cover 6 The wax-type thermally responsive expansion and contraction device according to claim 1, wherein the wax type thermally responsive expansion and contraction device is tightened.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63316251A JPH01193688A (en) | 1988-12-16 | 1988-12-16 | Wax type thermal response expansion apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63316251A JPH01193688A (en) | 1988-12-16 | 1988-12-16 | Wax type thermal response expansion apparatus |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59182674A Division JPS6161953A (en) | 1984-09-03 | 1984-09-03 | Wax type thermal responsive telescopic device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01193688A true JPH01193688A (en) | 1989-08-03 |
Family
ID=18075012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63316251A Expired - Lifetime JPH01193688A (en) | 1988-12-16 | 1988-12-16 | Wax type thermal response expansion apparatus |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01193688A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0732595U (en) * | 1994-10-26 | 1995-06-16 | 日本サーモスタット株式会社 | Temperature sensitive body |
-
1988
- 1988-12-16 JP JP63316251A patent/JPH01193688A/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0732595U (en) * | 1994-10-26 | 1995-06-16 | 日本サーモスタット株式会社 | Temperature sensitive body |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |