JPH0512558Y2 - - Google Patents
Info
- Publication number
- JPH0512558Y2 JPH0512558Y2 JP8514389U JP8514389U JPH0512558Y2 JP H0512558 Y2 JPH0512558 Y2 JP H0512558Y2 JP 8514389 U JP8514389 U JP 8514389U JP 8514389 U JP8514389 U JP 8514389U JP H0512558 Y2 JPH0512558 Y2 JP H0512558Y2
- Authority
- JP
- Japan
- Prior art keywords
- diaphragm plate
- liquid chamber
- bolt
- cover
- liquid
- 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
- 239000007788 liquid Substances 0.000 claims description 47
- 230000010349 pulsation Effects 0.000 claims description 22
- 230000037431 insertion Effects 0.000 claims description 19
- 238000003780 insertion Methods 0.000 claims description 19
- 239000003566 sealing material Substances 0.000 claims description 8
- 230000002093 peripheral effect Effects 0.000 description 11
- 239000006096 absorbing agent Substances 0.000 description 4
- 235000012489 doughnuts Nutrition 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000000644 propagated effect Effects 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
Landscapes
- Pipe Accessories (AREA)
- Fluid-Pressure Circuits (AREA)
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
Description
【考案の詳細な説明】
〔産業上の利用分野〕
本考案は、車両用液圧クラツチ回路等の液圧回
路に設けられて、該回路に発生する液圧の脈動を
吸収する液圧脈動吸収装置に関する。[Detailed description of the invention] [Field of industrial application] The present invention is a hydraulic pulsation absorber that is installed in a hydraulic circuit such as a vehicle hydraulic clutch circuit and absorbs the hydraulic pulsation generated in the circuit. Regarding equipment.
例えば、実開昭53−74546号公報に示されるよ
うに、車両用液圧クラツチ回路では、マスタシリ
ンダとスレーブシリンダとの間に、クラツチの振
動等によつて発生する液圧の脈動を吸収する液圧
脈動吸収装置が設けられている。
For example, as shown in Japanese Utility Model Application Publication No. 53-74546, in a hydraulic clutch circuit for a vehicle, pulsations in hydraulic pressure caused by vibrations of the clutch are absorbed between a master cylinder and a slave cylinder. A hydraulic pulsation absorber is provided.
この液圧脈動吸収装置は、ボデイに形成した圧
液の導入口と吐出口とを有する液室をダイヤフラ
ムプレートで液密に覆い、該ダイヤフラムプレー
トの外周縁を液室の周縁とで挾持する保持板をそ
の四隅に挿通される４本のボルトでボデイに螺着
するものと、ダイヤフラムプレートの外周縁をボ
デイと一体にカバーする保持カバーで挾持するも
のがあり、いずれも液室内に伝播される液圧の脈
動をダイヤフラムプレートを振動させることによ
つて吸収している。 This hydraulic pulsation absorber includes a diaphragm plate that fluid-tightly covers a liquid chamber formed in a body that has an inlet and an outlet for pressure liquid, and holds the outer periphery of the diaphragm plate between the periphery of the liquid chamber. There are two types: one in which the plate is screwed onto the body with four bolts inserted through its four corners, and the other in which the outer periphery of the diaphragm plate is held by a retaining cover that covers the body integrally.In both cases, the liquid is propagated into the liquid chamber. Fluid pressure pulsations are absorbed by vibrating the diaphragm plate.
また、実開昭62−133002号公報に示される液圧
脈動吸収装置は、液室内にピストンを配置し、液
室を覆つてボデイにかしめ取付けされるホルダと
ピストンとの間に弾性部材を介在させており、液
室内に伝播される脈動を弾性部材の変形によつて
吸収している。 In addition, the hydraulic pulsation absorbing device disclosed in Japanese Utility Model Application No. 62-133002 has a piston disposed within a liquid chamber, and an elastic member is interposed between the piston and a holder that covers the liquid chamber and is caulked to the body. The pulsations propagated into the liquid chamber are absorbed by the deformation of the elastic member.
しかし、上述のダイヤフラムプレートの保持板
を４本のボルトでボデイに螺着する構造では、装
置が大型化し、また、保持カバーやホルダをボデ
イにかしめ取付けする構造では、液室内の液圧に
対する保持カバーやホルダの剛性に問題が生ず
る。
However, the structure in which the retaining plate of the diaphragm plate is screwed onto the body with four bolts increases the size of the device, and the structure in which the retaining cover or holder is caulked to the body does not provide enough protection against the liquid pressure in the liquid chamber. Problems arise with the rigidity of the cover and holder.
そこで本考案は、小型、軽量で液室内の液圧に
対する剛性も高い液圧脈動吸収装置を提供するこ
とを目的としている。 Therefore, an object of the present invention is to provide a hydraulic pulsation absorbing device that is small, lightweight, and has high rigidity against the hydraulic pressure in the liquid chamber.
上記目的達成のため本考案は、圧液の導入口と
吐出口とを有する液室を形成したボデイに、前記
液室を液密に覆うダイヤフラムプレートを配設
し、液室内に伝播される液圧の脈動をダイヤフラ
ムプレートを振動させることによつて吸収する液
圧脈動吸収装置において、前記ダイヤフラムプレ
ートを中央にボルト挿通孔を設けたドーナツ状に
形成し、該ダイヤフラムプレートの外周縁を前記
液室の周縁とで挾持するカバーを、該カバーの中
央と前記ボデイの中央に挿通されるボルトにてボ
デイに止着するとともに、前記ダイヤフラムプレ
ートの外周縁と液室周縁との間および前記ボルト
挿通孔内周縁と前記ボルトの外周との間にそれぞ
れ弾性シール材を配設して、前記液室とダイヤフ
ラムプレートとの間を液密に保持したことを特徴
としている。
In order to achieve the above object, the present invention has a body in which a liquid chamber having an inlet and an outlet for pressure liquid is formed, and a diaphragm plate that covers the liquid chamber in a liquid-tight manner. In a hydraulic pulsation absorbing device that absorbs pressure pulsations by vibrating a diaphragm plate, the diaphragm plate is formed into a donut shape with a bolt insertion hole in the center, and the outer periphery of the diaphragm plate is connected to the liquid chamber. A cover that is held between the periphery of the diaphragm plate and the periphery of the liquid chamber is fixed to the body with a bolt inserted through the center of the cover and the center of the body, and the cover is secured to the body with a bolt inserted between the outer periphery of the diaphragm plate and the periphery of the liquid chamber and the bolt insertion hole. The present invention is characterized in that elastic sealing materials are disposed between the inner peripheral edge and the outer periphery of the bolt to maintain a fluid-tight relationship between the liquid chamber and the diaphragm plate.
かかる構成により、ボデイとの間でダイヤフラ
ムプレートを挾持するカバーをその中央に挿通さ
れる１本のボルトでボデイに止着するので、小
型、軽量でかつ液圧に対する剛性の高いものとで
きる。
With this configuration, the cover that holds the diaphragm plate between itself and the body is fixed to the body with one bolt inserted through the center of the cover, so the cover can be made small, lightweight, and highly rigid against hydraulic pressure.
以下、本考案の実施例を図面に基づいて説明す
る。
Hereinafter, embodiments of the present invention will be described based on the drawings.
第１図は本考案の第１実施例を示すもので、液
圧脈動吸収装置１は、液室２を形成したボデイ３
と、前記液室２を覆うダイヤフラムプレート４
と、該ダイヤフラムプレート４を覆つてボデイ３
にボルト５にて止着されるカバー６とを有し、ボ
デイ３の底面に形成した突起７をミツシヨンケー
ス等の車体側８に嵌合し、ボデイ３を貫通するボ
ルト５により車体側８に取付けられている。 FIG. 1 shows a first embodiment of the present invention, in which a hydraulic pulsation absorbing device 1 includes a body 3 in which a liquid chamber 2 is formed.
and a diaphragm plate 4 that covers the liquid chamber 2.
and the body 3 covering the diaphragm plate 4.
The protrusion 7 formed on the bottom surface of the body 3 is fitted to the vehicle body side 8 such as a transmission case, and the bolt 5 passing through the body 3 is attached to the vehicle body side 8. installed on.
液室２は、圧液の導入口２ａと突出口２ｂとを
底部に有し、中央にボルト螺着部９を隆起させた
ドーナツ状に形成されており、該ボルト螺着部９
にはボルト５の螺着孔１０が貫通形成されてい
る。 The liquid chamber 2 has a pressure liquid inlet 2a and a protrusion 2b at the bottom, and is formed in a donut shape with a raised bolt threading part 9 in the center.
A threaded hole 10 for a bolt 5 is formed therethrough.
液室２の開口部に配設されるダイヤフラムプレ
ート４は、中央にボルト５の挿通孔４ａを設けた
ドーナツ状に形成され、その外周縁４ｂを液室２
の周縁１１と前記カバー６とで挾持されており、
該ダイヤフラムプレート４の外周縁４ｂと液室２
の周縁１１との間には、弾性シール材１２が設け
られ、液室２の周縁１１とダイヤフラムプレート
４の外周縁４ｂとの間を液密に保持している。 A diaphragm plate 4 disposed at the opening of the liquid chamber 2 is formed into a donut shape with an insertion hole 4a for a bolt 5 in the center, and its outer periphery 4b is connected to the liquid chamber 2.
is held between the peripheral edge 11 of the cover 6 and the cover 6,
The outer peripheral edge 4b of the diaphragm plate 4 and the liquid chamber 2
An elastic sealing material 12 is provided between the peripheral edge 11 of the liquid chamber 2 and the outer peripheral edge 4b of the diaphragm plate 4 to keep the gap between the peripheral edge 11 of the liquid chamber 2 and the outer peripheral edge 4b of the diaphragm plate 4 liquid-tight.
カバー６は、中央にボルト５の挿通孔６ａを形
成して外縁６ｂをボデイ３に外嵌するよう屈曲
し、挿通孔６ａに挿通されるボルト５にてボデイ
３に止着され、外縁６ｂの内側で前記ダイヤフラ
ムプレート４の外周縁４ｂを挾持し、その内側は
ダイヤフラムプレート４と間隔を開けてダイヤフ
ラムプレート４の振動を許容するようにしてい
る。 The cover 6 has an insertion hole 6a for the bolt 5 in the center and is bent so that the outer edge 6b fits onto the body 3.The cover 6 is fixed to the body 3 with the bolt 5 inserted through the insertion hole 6a, and the outer edge 6b The outer peripheral edge 4b of the diaphragm plate 4 is held between the inner sides, and the inner side is spaced apart from the diaphragm plate 4 to allow vibration of the diaphragm plate 4.
ボルト５は、その頭部５ａとカバー６の上面と
の間にワツシヤ１３を介在させ、軸部５ｂをカバ
ー６の挿通孔６ａとダイヤフラムプレート４の挿
通孔４ａに貫通してボデイ３中央のボルト螺着部
９の螺着孔１０に螺着され、さらに、ボデイ２の
底面から突出する軸部５ｂを車体側８の螺着孔８
ａに螺着している。 The bolt 5 has a washer 13 interposed between its head 5a and the upper surface of the cover 6, and the shaft portion 5b is passed through the insertion hole 6a of the cover 6 and the insertion hole 4a of the diaphragm plate 4, and is inserted into the bolt at the center of the body 3. The shaft portion 5b that is screwed into the screw hole 10 of the screw portion 9 and protrudes from the bottom surface of the body 2 is inserted into the screw hole 8 of the vehicle body side 8.
It is screwed onto a.
また、ボルト５のカバー６とボルト螺着部９と
の間の軸部５ｂの外周には、円筒状の弾性シール
材１４を嵌着したスリーブ１５が外嵌されてお
り、該弾性シール材１４は、前記ダイヤフラムプ
レート４のボルト挿通孔４ａの内周縁を周溝１４
ａに嵌合して、ダイヤフラムプレート４のボルト
挿通孔４ａの内周縁側と液室２の内周側とを液密
に保持している。 Further, a sleeve 15 fitted with a cylindrical elastic sealing material 14 is fitted around the outer periphery of the shaft portion 5b between the cover 6 of the bolt 5 and the bolt threaded portion 9. The inner circumferential edge of the bolt insertion hole 4a of the diaphragm plate 4 is formed into a circumferential groove 14.
a to maintain the inner peripheral edge of the bolt insertion hole 4a of the diaphragm plate 4 and the inner peripheral side of the liquid chamber 2 liquid-tight.
液圧脈動吸収装置１は、以上のようにしてボデ
イ３との間でダイヤフラムプレート４を保持する
カバー６を１本のボルト５でボデイ３に取付ける
ので、装置全体を小形化でき、また、カバー６を
薄肉に形成してもボルト５でボデイ３に取付けて
いるので、液室３に作用する高液圧に対しての剛
性を確保でき、装置全体の軽量化が図れる。 In the hydraulic pulsation absorbing device 1, the cover 6, which holds the diaphragm plate 4 between the body 3 and the body 3, is attached to the body 3 with one bolt 5 as described above, so that the entire device can be miniaturized. Even if 6 is made thin, since it is attached to the body 3 with bolts 5, rigidity against the high hydraulic pressure acting on the liquid chamber 3 can be ensured, and the weight of the entire device can be reduced.
さらに、ドーナツ状のダイヤフラムプレート４
のボルト挿通孔４ａ内周縁に弾性シール材１４に
嵌合しているので、脈動に対するダイヤフラムプ
レート４の吸収力を向上できる。 Furthermore, a donut-shaped diaphragm plate 4
Since the elastic sealing material 14 is fitted to the inner circumferential edge of the bolt insertion hole 4a, the ability of the diaphragm plate 4 to absorb pulsation can be improved.
第２図は、ダイヤフラムプレート４のボルト挿
通孔４ａ内周縁をスリーブ１５に嵌着した２つの
弾性シールリング１６，１６間で挾持する本考案
の第２実施例を示し、また、第３図は、ダイヤフ
ラムプレート４のボルト挿通孔４ａ内周とスリー
ブ１５との間のＯリング１７でシールした本考案
の第３実施例を示し、両実施例とも、上記第１実
施例と同様の効果を奏する。 FIG. 2 shows a second embodiment of the present invention in which the inner peripheral edge of the bolt insertion hole 4a of the diaphragm plate 4 is sandwiched between two elastic seal rings 16, 16 fitted into the sleeve 15, and FIG. , shows a third embodiment of the present invention in which the inner periphery of the bolt insertion hole 4a of the diaphragm plate 4 and the sleeve 15 are sealed with an O-ring 17, and both embodiments have the same effects as the first embodiment. .
尚、上記各実施例では、液室の中央にボルト螺
着部を隆起させたもので説明したが、平らな底の
液室中央にボルト螺着孔を形成し、ボルトと液室
底部間をシールすれば同様の作用、効果を有する
液圧脈動吸収装置とすることができる。 In each of the above embodiments, the bolt threading part is raised in the center of the liquid chamber. However, a bolt threading hole is formed in the center of the liquid chamber with a flat bottom, and the bolt threading hole is formed in the center of the liquid chamber with a flat bottom. If sealed, a hydraulic pulsation absorbing device having similar functions and effects can be obtained.
本考案は以上のように、ボデイに形成した液室
内に伝播される液圧の脈動を、液室を覆うダイヤ
フラムプレートを振動させることによつて吸収す
る液圧脈動吸収装置において、前記ダイヤフラム
プレートを中央にボルト挿通孔を設けたドーナツ
状に形成し、該ダイヤフラムプレートの外周縁を
前記液室の周縁とで挾持するカバーを、該カバー
の中央と前記ボデイの中央に挿通されるボルトに
てボデイに止着するとともに、前記ダイヤフラム
プレートの外周縁と液室周縁との間および前記ボ
ルト挿通孔内周縁と前記ボルトの外周との間にそ
れぞれ弾性シール材を配設して、前記液室とダイ
ヤフラムプレートとの間を液密に保持したので、
１本のボルトでボデイへカバーを取付けて装置全
体を小形化でき、また、カバーを薄肉に形成して
もボルトでボデイに取付けているので、液室に作
用する高液圧に対しての剛性を確保でき、装置全
体の軽量化が図れる。
As described above, the present invention provides a hydraulic pulsation absorbing device that absorbs the pulsation of hydraulic pressure propagated into a liquid chamber formed in a body by vibrating a diaphragm plate that covers the liquid chamber. A cover is formed in a donut shape with a bolt insertion hole in the center and holds the outer periphery of the diaphragm plate with the periphery of the liquid chamber, and is attached to the body using a bolt inserted through the center of the cover and the center of the body. At the same time, an elastic sealing material is provided between the outer circumferential edge of the diaphragm plate and the circumferential edge of the liquid chamber, and between the inner circumferential edge of the bolt insertion hole and the outer circumference of the bolt, so that the liquid chamber and the diaphragm are fixed to each other. Since the gap between the plate and the plate was kept liquid-tight,
The entire device can be made smaller by attaching the cover to the body with a single bolt.Also, even if the cover is made thin, it is attached to the body with bolts, so it is rigid against high hydraulic pressure acting on the liquid chamber. can be ensured, and the weight of the entire device can be reduced.
さらに、ドーナツ状のダイヤフラムプレートの
ボルト挿通孔内周縁とボルトの外周との間に配設
した弾性シール材によつて、脈動に対するダイヤ
フラムプレートの振動吸収力を向上できる。 Furthermore, the elastic sealing material disposed between the inner periphery of the bolt insertion hole of the donut-shaped diaphragm plate and the outer periphery of the bolt can improve the vibration absorption ability of the diaphragm plate against pulsation.
図は本考案の各実施例を示し、第１図は第１実
施例の液圧脈動吸収装置の断面正面図、第２図は
第２実施例の一部拡大断面図、第３図は第３実施
例の一部拡大断面図である。
１……液圧脈動吸収装置、２……液室、３……
ボデイ、４……ダイヤフラムプレート、４ａ……
ダイヤフラムプレートのボルト挿通孔、４ｂ……
ダイヤフラムプレートの外周縁、５……ボルト、
６……カバー、６ａ……カバーのボルト挿通孔、
１１……液室の周縁、１２，１４……弾性シール
材、１６……弾性シールリング、１７……Ｏリン
グ。
The drawings show each embodiment of the present invention, and FIG. 1 is a cross-sectional front view of the hydraulic pulsation absorbing device of the first embodiment, FIG. 2 is a partially enlarged sectional view of the second embodiment, and FIG. FIG. 3 is a partially enlarged sectional view of the third embodiment. 1... Hydraulic pressure pulsation absorber, 2... Liquid chamber, 3...
Body, 4...Diaphragm plate, 4a...
Diaphragm plate bolt insertion hole, 4b...
Outer edge of diaphragm plate, 5... bolts,
6...Cover, 6a...Bolt insertion hole of cover,
11... Periphery of liquid chamber, 12, 14... Elastic sealing material, 16... Elastic seal ring, 17... O-ring.
Claims (1)
たボデイに、前記液室を液密を覆うダイヤフラム
プレートを配設し、液室内に伝播される液圧の脈
動をダイヤフラムプレートを振動させることによ
つて吸収する液圧脈動吸収装置において、前記ダ
イヤフラムプレートを中央にボルト挿通孔を設け
たドーナツ状に形成し、該ダイヤフラムプレート
の外周縁を前記液室の周縁とで挾持するカバー
を、該カバーの中央と前記ボデイの中央に挿通さ
れるボルトにてボデイに止着するとともに、前記
ダイヤフラムプレートの外周縁と液室周縁との間
および前記ボルト挿通孔内周縁と前記ボルトの外
周との間にそれぞれ弾性シール材を配設して、前
記液室とダイヤフラムプレートとの間を液密に保
持したことを特徴とする液圧脈動吸収装置。 1. A hydraulic pressure pulsation absorbing device in which a diaphragm plate is disposed in a body forming a liquid chamber having an inlet and an outlet for pressurized liquid, the diaphragm plate covering the liquid chamber in a liquid-tight manner, and absorbing hydraulic pressure pulsation transmitted into the liquid chamber by vibrating the diaphragm plate, the diaphragm plate being formed in a doughnut shape with a bolt insertion hole in the center, a cover holding the outer periphery of the diaphragm plate between the periphery of the liquid chamber and the cover being fixed to the body by a bolt inserted through the center of the cover and the center of the body, and elastic sealing materials are disposed between the outer periphery of the diaphragm plate and the periphery of the liquid chamber and between the inner periphery of the bolt insertion hole and the periphery of the bolt, thereby maintaining a liquid-tight state between the liquid chamber and the diaphragm plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8514389U JPH0512558Y2 (en) | 1989-07-20 | 1989-07-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8514389U JPH0512558Y2 (en) | 1989-07-20 | 1989-07-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0325097U JPH0325097U (en) | 1991-03-14 |
| JPH0512558Y2 true JPH0512558Y2 (en) | 1993-03-31 |
Family
ID=31634102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8514389U Expired - Lifetime JPH0512558Y2 (en) | 1989-07-20 | 1989-07-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0512558Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006075332A (en) * | 2004-09-09 | 2006-03-23 | Keakomu:Kk | Nurse call system |
-
1989
- 1989-07-20 JP JP8514389U patent/JPH0512558Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0325097U (en) | 1991-03-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS623156A (en) | Valve cover for internal combustiin engine | |
| JPH01168036U (en) | ||
| JPH0512558Y2 (en) | ||
| JPH01164668A (en) | Brake servo-booster | |
| JPH0546451B2 (en) | ||
| JPH0236813B2 (en) | ||
| US20040183240A1 (en) | Fluid filled vibration damping device whose flexible layer having thick walled portion | |
| JPS6029659Y2 (en) | Cover mounting device | |
| JPH0133814Y2 (en) | ||
| JPS5835856Y2 (en) | Seal washer | |
| JPS6337027Y2 (en) | ||
| JPH0129319Y2 (en) | ||
| JPH0398395U (en) | ||
| JP3636730B2 (en) | Vibration isolator | |
| JP4555448B2 (en) | Plastic fuel tank seal structure | |
| JPH04110247U (en) | Liquid-filled cylindrical mount with built-in axial stopper | |
| JPH0419476Y2 (en) | ||
| JPH088336Y2 (en) | Washer seal | |
| JP2545547B2 (en) | Air spring device | |
| JPS6177441U (en) | ||
| JPS6146274Y2 (en) | ||
| JPH0134981Y2 (en) | ||
| JPS6242193Y2 (en) | ||
| JPH0359544U (en) | ||
| JPS6321810Y2 (en) |