WO1991005188A1 - Construction for pressing seal member of seal device - Google Patents
Construction for pressing seal member of seal device Download PDFInfo
- Publication number
- WO1991005188A1 WO1991005188A1 PCT/JP1990/001152 JP9001152W WO9105188A1 WO 1991005188 A1 WO1991005188 A1 WO 1991005188A1 JP 9001152 W JP9001152 W JP 9001152W WO 9105188 A1 WO9105188 A1 WO 9105188A1
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- WO
- WIPO (PCT)
- Prior art keywords
- seal
- seal member
- case
- claw
- washer
- Prior art date
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/3268—Mounting of sealing rings
Definitions
- a seal member is disposed between a shaft member and a case member, which slide relatively in the axial direction, and the seal member is attached to a case member or a seal surface of the seal member.
- the present invention relates to a seal holding structure of a seal device for pressing in a direction.
- This type of sealing device is often used for rod seals 0 of various types of actuators.
- a sealing member is provided between rod 7 that slides in the axial direction and seal case 2 as a sealing member. 2 and the support ring 22 are arranged, the lip 21 a of the seal 21 is in contact with the outer peripheral surface of the rod, and the end projection 21 b is in contact with the seal surface 20 of the seal case 2. In contact.
- the corrugated washer 30 and the locking ring 31 are arranged, and the corrugated portion B of the corrugated washer 30 is brought into contact with the support ring 22.
- the seal 21 is pressed against the seal surface 20 by engaging the claw 31 a of the locking ring 31 with the inner peripheral surface of the seal case 2.
- An object of the present invention is to reduce the number of parts for holding down a seal member, to facilitate assembly work, and to reduce costs.
- the present invention provides, as a member for holding a sealing member, an annular washer having a wavy shape and a radially outward or inward claw integrally formed at each crest portion.
- Each claw of the corrugated washer with a claw is engaged with a case member or a shaft member, and an axial sealing pressure is applied to the seal member by a wave-low portion of the corrugated washer.
- FIG. 1 is a longitudinal sectional view of a sealing device to which the present invention is applied
- FIG. 2 is a front view of a single waved washer with a claw
- FIG. 3 is a sectional view taken along a line m-m of FIG. 2
- Fig. 5 is a longitudinal sectional view of another embodiment
- Fig. 6 is a front view of a single washer with a claw used in Fig. 5
- FIG. 7 is a sectional view taken along the line VI-VII of FIG. 6
- FIG. 8 is a longitudinal sectional view of the conventional example
- FIGS. 9 and 10 are used as seal member retainers of the conventional example. It is a longitudinal section of a corrugated washer and a stop ring.
- FIG. 4 shows an overall longitudinal sectional view of a diaphragm type vacuum actuator provided with a sealing device according to the present invention.
- the actuator case 1 is connected via a bracket 3, for example. It is fixed to the vehicle transmission case at the rear, and the inside of the actuator 1 is divided into first and second chambers 12 and 13 by piston plate 8 and rubber diaphragm 11. I have.
- the piston plate 8 is fixed to the front end of the automatic rod 7, and the slide port 7 extends rearward through the rod hole 6 in the rear wall of the actuator case 1.
- Auxiliary gear It is connected to the key shaft.
- Each of the chambers 12 and 13 in the actuator case 1 is independently connected to a negative pressure supply section and the atmosphere side (e.g., an air cleaner) via pipes 16 and 17 and a switching valve, respectively. ing. That is, when the first chamber 12 is set to a negative pressure and the second chamber 13 is set to the atmospheric pressure by operating the switching valve, the piston plate 8 and the port 7 move forward to form an example of the auxiliary transmission. If it is switched to the low-speed side, conversely, if the first chamber 12 is set to the atmospheric pressure and the second chamber 13 is set to the negative pressure at the same time, the piston plate 8 and the rod 7 are retracted and the auxiliary transmission It switches to the high-speed side.
- a negative pressure supply section and the atmosphere side e.g., an air cleaner
- a cylindrical seal case 2 is disposed in the rod hole of the actuator case 1, and a seal device 18 according to the present application is disposed between the seal case 2 and the rod 7.
- a seal case 2 is arranged coaxially with a rod 7 and integrally has an inward flange 2a at a front end thereof.
- the orientation flange 2a is fixed to the rear wall of the case 5 by, for example, brazing.
- the inward flange 2a is at right angles to the axis of the port, and the rear surface is a seal surface 20.
- the seal 21 and the support ring for the bearing are located behind the seal surface 20. 22 are arranged in order.
- annular projections 21 b are formed on the front end face of the seal 21 to abut the seal face 20, and a lip section 21 abuts on the inner end of the seal 21 at a constant pressure to the opening 7.
- a is formed, and an annular concave portion 21 c is formed on the rear surface, and the annular concave portion 21 c babies with the annular convex portion of the sabot ring 22.
- the inner cylindrical surface of the support ring 2 2 It fits on the outer peripheral surface of rod 7 without rattling, thereby positioning the seal 21 radially with respect to the mouth 7 o
- a corrugated washer 25 with a claw is disposed on the rear side of the support ring 22 as a member that integrally presses the seal 21 and the sabot ring 22 forward in the axial direction.
- the corrugated washer 25 with a claw is formed in an annular shape as shown in FIG. 2 and also in a waveform having a height in the axial direction as shown in FIG. 3, and each wave height located at the most rear end side.
- Outward claws 25a protruding outward in the radial direction are formed integrally with the part A (for example, three places). These outward claws 25a are inclined rearward, thereby exhibiting a ratchet function.
- the corrugated washer 25 with the claw is pushed into the seal case 2 from the rear as shown in Fig. 1, and the lower front end portion B comes into contact with the rear surface of the sub ring 22 and the claw 25a is engaged with the claw.
- the seal 21 and the support ring 22 are pushed forward in the axial direction by elastic action, and the annular projection 21b of the seal 21 is pressed with the specified seal pressure. Pressing to 0. Since the ratchet corrugated washer 25 is provided with a ratchet function by inclining the claws 25a as described above, it does not return backward after being pushed forward by a predetermined amount.
- the sealing device 18 is positioned with respect to the rod axis by the servo ring 22 as described above, the radius of the rod 7 with respect to the case 1 may vary due to mounting errors and the like. Even when eccentric in the direction, the lip portion 21a of the seal 21 is always pressed against the rod 7 with a constant pressure, and no air leakage or the like occurs.
- Another embodiment for carrying out the invention is positioned with respect to the rod axis by the servo ring 22 as described above, the radius of the rod 7 with respect to the case 1 may vary due to mounting errors and the like. Even when eccentric in the direction, the lip portion 21a of the seal 21 is always pressed against the rod 7 with a constant pressure, and no air leakage or the like occurs.
- FIG. 5 to FIG. 7 is an example in which the seal device 18 is provided in an actuator where the seal case 2 moves in the axial direction with respect to the fixed rod 7.
- a claw-corrugated washer 25 having an inward claw 25 b protruding inward in the radial direction is used as a seal member presser.
- Each claw 2b is formed at each crest portion A, and is inclined rearward.
- the basic structure of the seal 21 and support ring 22 is the same as that of the outer peripheral seal shown in FIG. 1 except that the inside and outside in the radial direction are reversed. And the same parts are given the same numbers.
- the protrusion 21b of the seal 21 contacts the seal surface 20 of the flange 7a of the rod 7, and the lip portion 21a contacts the inner peripheral surface of the case 2.
- the wavy portion B of the corrugated washer 25 with the claw is in contact with the rear surface of the support ring 22, and the claw 25 b is engaged with the outer peripheral surface of the rod so as to be pushed forward.
- a seal member is disposed between a shaft member and a case member that slide relatively in one direction, and the seal member is a case member or a seal member of the seal member.
- an annular washer 25 is formed in a waveform as a member for holding the seal member, and radially outward at each crest portion A.
- the inward claws 25 a (25 b) are integrally formed, and the claws 25 a (25 b) of the corrugated washer 25 are engaged with the case member or the shaft member, and the corrugated washer 25
- the seal part is designed to apply an axial sealing pressure to the sealing member by the wave bottom B of: Only one member, ie, the corrugated washer 25 with the claw, needs to be provided as the seal member pusher, so that the number of parts can be reduced, the cost can be reduced, and the assembling operation can be facilitated.
- one corrugated washer with claw can perform both functions of conventional corrugated washer and retaining ring.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Actuator (AREA)
- Sealing With Elastic Sealing Lips (AREA)
Abstract
A construction for pressing a seal member of a seal device mainly used in a rod seal such as an actuator. As a member for pressing a seal member (21), an annular washer (25) is formed to provide wave shapes, radially outwardly or inwardly directed pawls (25a) are each integrally formed on each peak portion (A), and the pawls (25a) are engaged with a case member (2) or a shaft member (7), thus giving seal pressure in the axial direction to the seal member (21) by trough portions (B) of the wave-shaped washer (25). With this arrangement, the number of parts can be reduced.
Description
明細書 Specification
シール装置のシール部材押え構造 Seal member holding structure of sealing device
技術分野 Technical field
本発明は相対的に軸方向に摺動する軸部材とケ一ス部材と 5 の間にシール部材を配置し、 該シール部材をケース部材ある いはシ一ル部材のシ―ル面に軸方向に押圧するシ―ル装置の シール押え構造に関する。 According to the present invention, a seal member is disposed between a shaft member and a case member, which slide relatively in the axial direction, and the seal member is attached to a case member or a seal surface of the seal member. The present invention relates to a seal holding structure of a seal device for pressing in a direction.
背景技術 Background art
この種のシール装置は各種ァクチユエ—夕のロッ ドシール0 用に多く用いられており、 第 8図のように軸方向に摺動する ロッ ド 7とシールケース 2の間にシール部材と してシール 2 1及びサポー ト リ ング 2 2を配置し、 シール 2 1のリ ップ部 2 1 aをロッ ド外周面に搢接すると共に端面突起 2 1 bをシ —ルケース 2のシール面 2 0に当接させている。 This type of sealing device is often used for rod seals 0 of various types of actuators. As shown in Fig. 8, a sealing member is provided between rod 7 that slides in the axial direction and seal case 2 as a sealing member. 2 and the support ring 22 are arranged, the lip 21 a of the seal 21 is in contact with the outer peripheral surface of the rod, and the end projection 21 b is in contact with the seal surface 20 of the seal case 2. In contact.
5 そしてシール部材を軸方向に押圧するために、 従来は波形 座金 3 0と係止リ ング 3 1を配置し、 波形座金 3 0の波低部 Bをサポー ト リ ング 2 2に当接させると共に、 係止リング 3 1の爪 3 1 aをシールケース 2の内周面に係合することによ り、 シール 2 1 をシール面 2 0に押し付けている。 5 Conventionally, in order to press the seal member in the axial direction, the corrugated washer 30 and the locking ring 31 are arranged, and the corrugated portion B of the corrugated washer 30 is brought into contact with the support ring 22. At the same time, the seal 21 is pressed against the seal surface 20 by engaging the claw 31 a of the locking ring 31 with the inner peripheral surface of the seal case 2.
0 即ちシール部材押えと して 2つの部材 3 0、 3 1を製造し. 組み込まなければならない。 0 That is, two members 30 and 31 must be manufactured and incorporated as seal member retainers.
(発明の目的) (Object of the invention)
本発明の目的は、 シール部材を押さえるための部品点数の 削'减、 組付け作業の容易化及びコス 卜の低減を図るこ とであ 5 る。 An object of the present invention is to reduce the number of parts for holding down a seal member, to facilitate assembly work, and to reduce costs.
発明の開示
(技術的手段) Disclosure of the invention (Technical means)
上記目的を達成するために本発明は、 シール部材を押える 部材と して、 環状の座金を波形に形成すると共に各波高部に 半径方向の外向きあるいは内向きの爪を一体に形成し、 該爪 付波形座金の各爪をケース部材あるいは軸部材に係合し、 波 型座金の波低部により シール部材に軸方向のシ -ル圧力を付 与するようにしている。 In order to achieve the above object, the present invention provides, as a member for holding a sealing member, an annular washer having a wavy shape and a radially outward or inward claw integrally formed at each crest portion. Each claw of the corrugated washer with a claw is engaged with a case member or a shaft member, and an axial sealing pressure is applied to the seal member by a wave-low portion of the corrugated washer.
図面の簡単な説明 BRIEF DESCRIPTION OF THE FIGURES
第 1図は本発明を適用したシール装置の縦断面図、 第 2図 は爪付波形座金単体の正面図、 第 3図は第 2図の m - m断面 図、 第 4図は本発明のシール装置を備えたバキュームァクチ ユエ -夕全体の縱断面図、 第 5図は別の実施例の縦断面図、 第 6図は第 5図に使用している爪付波形座金単体の正面図、 第 7図は第 6図の VI - VII断面図、 第 8図は従来例の縱断面図、 第 9図及び第 1 0図は従来例のシ一ル部材押えと して使用し ている波形座金と止めリ ングの縱断面図である。 FIG. 1 is a longitudinal sectional view of a sealing device to which the present invention is applied, FIG. 2 is a front view of a single waved washer with a claw, FIG. 3 is a sectional view taken along a line m-m of FIG. 2, and FIG. Vacuum Yue equipped with a sealing device-longitudinal sectional view of the entire evening, Fig. 5 is a longitudinal sectional view of another embodiment, Fig. 6 is a front view of a single washer with a claw used in Fig. 5 , FIG. 7 is a sectional view taken along the line VI-VII of FIG. 6, FIG. 8 is a longitudinal sectional view of the conventional example, and FIGS. 9 and 10 are used as seal member retainers of the conventional example. It is a longitudinal section of a corrugated washer and a stop ring.
発明を実施するための最良の形態 BEST MODE FOR CARRYING OUT THE INVENTION
第 4図は本発明によるシール装置を備えたダイヤフラム式 バキュームァクチユエ一夕の全体縱断面図を示しており、 こ の第 4図において、 ァクチユエ一夕ケース 1 はブラケッ ト 3 を介して例えば後方の自動車用 トラ ンスミ ッ ショ ンケースに 固着されており、 ァクチユエ一タケ一ス 1内はピス ト ンプレ 一 ト 8及びゴムダイヤフラム 1 1 により第 1、 第 2室 1 2、 1 3に区画されている。 ピス ト ンプレー ト 8は搢動ロ ッ ド 7 の前端部に固定され、 該摺動口ッ ド 7はァクチユエ一タケ一 ス 1の後壁のロ ッ ド揷通孔 6を通って後方に延び、 副変速ギ
ャ軸に連結されている。 ァクチユエ—タケース 1 内の各室 1 2、 1 3はそれぞれパイプ 1 6、 1 7及び切換えバルブ等を 介して負圧供給部と大気側 (ェャク リ ーナ等) とに切換え自 在に接続されている。 即ち切換バルブの操作により、 第 1室 1 2を負圧にすると同時に第 2室 1 3を大気圧にすると、 ピ ス ト ンプレ— ト 8及び口ッ ド 7は前進じて副変速機を例^ば 低速側に切り換え、 反対に第 1室 1 2を大気圧にすると同時 に第 2室 1 3を負圧にすると、 ピス ト ンプレー 卜 8及びロッ ド 7は後退して副変速機を例えば高速側に切り換えるように なっている。 FIG. 4 shows an overall longitudinal sectional view of a diaphragm type vacuum actuator provided with a sealing device according to the present invention. In FIG. 4, the actuator case 1 is connected via a bracket 3, for example. It is fixed to the vehicle transmission case at the rear, and the inside of the actuator 1 is divided into first and second chambers 12 and 13 by piston plate 8 and rubber diaphragm 11. I have. The piston plate 8 is fixed to the front end of the automatic rod 7, and the slide port 7 extends rearward through the rod hole 6 in the rear wall of the actuator case 1. , Auxiliary gear It is connected to the key shaft. Each of the chambers 12 and 13 in the actuator case 1 is independently connected to a negative pressure supply section and the atmosphere side (e.g., an air cleaner) via pipes 16 and 17 and a switching valve, respectively. ing. That is, when the first chamber 12 is set to a negative pressure and the second chamber 13 is set to the atmospheric pressure by operating the switching valve, the piston plate 8 and the port 7 move forward to form an example of the auxiliary transmission. If it is switched to the low-speed side, conversely, if the first chamber 12 is set to the atmospheric pressure and the second chamber 13 is set to the negative pressure at the same time, the piston plate 8 and the rod 7 are retracted and the auxiliary transmission It switches to the high-speed side.
ァクチユエ—タケース 1のロッ ド揷通孔 部分には筒状の シールケース 2が配置され、 該シールケ -ス 2とロ ッ ド 7の 間に本願に係るシール装置 1 8が配置されている。 A cylindrical seal case 2 is disposed in the rod hole of the actuator case 1, and a seal device 18 according to the present application is disposed between the seal case 2 and the rod 7.
シール装置の拡大縱断面図を示す第 1図において、 シール ケース 2はロッ ド 7と同軸心に配置されると共に前端に内向 きフラ ンジ 2 aを一体に備え、 該内 In FIG. 1 showing an enlarged longitudinal sectional view of the sealing device, a seal case 2 is arranged coaxially with a rod 7 and integrally has an inward flange 2a at a front end thereof.
向きフラ ンジ 2 a はァクチユエ一タケ—ス 5の後壁に例えば ろう付け等により固着されている。 内向きフラ ンジ 2 aは口 ッ ド軸心と直角であつて後面がシ一ル面 2 0となっており、 該シール面 2 0の後側にシール 2 1及び軸受用サポー ト リ ン グ 2 2が順に配置されている。 The orientation flange 2a is fixed to the rear wall of the case 5 by, for example, brazing. The inward flange 2a is at right angles to the axis of the port, and the rear surface is a seal surface 20.The seal 21 and the support ring for the bearing are located behind the seal surface 20. 22 are arranged in order.
シール 2 1の前端面にはシール面 2 0に当接する 2本の環 状突起 2 1 bが形成され、 内方端部には口ッ ド 7に一定圧力 で当接する リ ップ部 2 1 aが形成され、 後面には環状凹部 2 1 cが形成され、 該環状凹部 2 1 cがサボ一 ト リ ング 2 2の 環状凸部に喃み合つている。 サポー ト リ ング 2 2の内筒面は
ロッ ド 7の外周面にがたつく ことなく嵌合し、 これにより 口 ッ ド 7に対するシール 2 1の半径方向の位置決めを行なつて いる o Two annular projections 21 b are formed on the front end face of the seal 21 to abut the seal face 20, and a lip section 21 abuts on the inner end of the seal 21 at a constant pressure to the opening 7. a is formed, and an annular concave portion 21 c is formed on the rear surface, and the annular concave portion 21 c babies with the annular convex portion of the sabot ring 22. The inner cylindrical surface of the support ring 2 2 It fits on the outer peripheral surface of rod 7 without rattling, thereby positioning the seal 21 radially with respect to the mouth 7 o
上記シール 2 1及びサボ一 ト リ ング 2 2を一体的に軸方向 前方に押圧する部材として、 サポー ト リ ング 2 2の後側に爪 付波形座金 2 5が配置されている。 A corrugated washer 25 with a claw is disposed on the rear side of the support ring 22 as a member that integrally presses the seal 21 and the sabot ring 22 forward in the axial direction.
爪付波形座金 2 5は第 2図のように環状に形成されると共 に、 第 3図のように軸方向に高低を有する波形に形成されて おり、 最も後端側に位置する各波高部 A (例えば 3箇所) に、 半径方向外方に突出する外向き爪 2 5 aがそれぞれ一体に形 成されている。 これら外向き爪 2 5 aは後方に傾斜し、 これ によりラチュッ ト機能を発揮するようになっている。 The corrugated washer 25 with a claw is formed in an annular shape as shown in FIG. 2 and also in a waveform having a height in the axial direction as shown in FIG. 3, and each wave height located at the most rear end side. Outward claws 25a protruding outward in the radial direction are formed integrally with the part A (for example, three places). These outward claws 25a are inclined rearward, thereby exhibiting a ratchet function.
爪付波形座金 2 5は第 1図のようにシールケース 2内に後 方から押し込まれ、 前端波低部 Bがサボ— ト リ ング 2 2の後 面に当接し、 爪 2 5 aがシ―ルケース 2の内周面に係合し、 弾性作用により シール 2 1及びサポー ト リ ング 2 2を軸方向 前方に押し、 シール 2 1の環状突起 2 1 bを所定のシール圧 でシール面 2 0に押し付けている。 爪付波形座金 2 5は上記 のように爪 2 5 aを傾斜させることによりラチエ ツ ト機能が 付与されているので、 所定量前方へ押し込んだ後は、 後方に は戻らない。 The corrugated washer 25 with the claw is pushed into the seal case 2 from the rear as shown in Fig. 1, and the lower front end portion B comes into contact with the rear surface of the sub ring 22 and the claw 25a is engaged with the claw. -The seal 21 and the support ring 22 are pushed forward in the axial direction by elastic action, and the annular projection 21b of the seal 21 is pressed with the specified seal pressure. Pressing to 0. Since the ratchet corrugated washer 25 is provided with a ratchet function by inclining the claws 25a as described above, it does not return backward after being pushed forward by a predetermined amount.
なおこのシール装置 1 8は、 上記のようにサボ— ト リ ング 2 2により ロッ ド軸心に対して位置決めされているので、 た とえ取付け誤差等によりケース 1 に対してロッ ド 7が半径方 向に偏心した場合でも、 シール 2 1のリ ップ部 2 1 aは常に —定圧でロッ ド 7に圧接し、 空気洩れ等が生じない。
発明を実施するための別の形態 Since the sealing device 18 is positioned with respect to the rod axis by the servo ring 22 as described above, the radius of the rod 7 with respect to the case 1 may vary due to mounting errors and the like. Even when eccentric in the direction, the lip portion 21a of the seal 21 is always pressed against the rod 7 with a constant pressure, and no air leakage or the like occurs. Another embodiment for carrying out the invention
第 5図〜第 7図に示す実施例は、 固定のロッ ド 7に対して シールケース 2が軸方向に移動するァクチユエ一夕にシ一ル 装置 1 8を備えた例である。 シール部材押えと して、 第 6図 及び第 7図に示すように半径方向内方に突出する内向き爪 2 5 bを有する爪付波形座金 2 5を利用している。 各爪 2 b は各波高部 Aにそれぞれ形成され、 後方に傾斜している。 第 5図において、 シール 2 1、 サポー ト リ ング 2 2の構造 は、 前記第 1図の外周シール用とは半径方向内方と外方が逆 になっているだけで、 基本的構造は同じであり、 同じ部品等 には同じ番号を付している。 シール 2 1の突起 2 1 bはロッ ド 7のフラ ンジ 7 aのシール面 2 0に当接し、 リ ップ部 2ί 1 a はケース 2の内周面に摺接している。 爪付波形座金 2 5は 波低部 Bがサポー ト リ ング 2 2の後面に当接し、 爪 2 5 bが ロッ ド外周面に前方押し込み可能に係合している。 The embodiment shown in FIG. 5 to FIG. 7 is an example in which the seal device 18 is provided in an actuator where the seal case 2 moves in the axial direction with respect to the fixed rod 7. As shown in FIGS. 6 and 7, a claw-corrugated washer 25 having an inward claw 25 b protruding inward in the radial direction is used as a seal member presser. Each claw 2b is formed at each crest portion A, and is inclined rearward. In FIG. 5, the basic structure of the seal 21 and support ring 22 is the same as that of the outer peripheral seal shown in FIG. 1 except that the inside and outside in the radial direction are reversed. And the same parts are given the same numbers. The protrusion 21b of the seal 21 contacts the seal surface 20 of the flange 7a of the rod 7, and the lip portion 21a contacts the inner peripheral surface of the case 2. The wavy portion B of the corrugated washer 25 with the claw is in contact with the rear surface of the support ring 22, and the claw 25 b is engaged with the outer peripheral surface of the rod so as to be pushed forward.
発明の効果 The invention's effect
以上説明したように本発明は、 1由方向に相対的に摺動する 軸部材とケース部材との間にシ一ル部材 配置し、 該シール 部材をケ一ス部材あるいはシ一ル部材のシ一ル面に軸方向に 押圧するシール装置のシール部材押え構造において、 シ一ル 部材を押える部材と して、 環状の座金 2 5を波形に形成する と共に各波高部 Aに半径方向の外向きあるいは内向きの爪 2 5 a ( 2 5 b ) を一体に形成し、 波形座金 2 5の各爪 2 5 a ( 2 5 b ) をケース部材あるいは軸部材に係合し、 波型座金 2 5の波低部 Bにより シール部材に軸方向のシ—ル圧力を付 与するようにしているので :
シ一ル部材押として 1つの部材、 即ち爪付波形座金 2 5の みを備えるだけでよく、 部品点数の削減、 コス ト低減及び組 付け作業の容易化を達成できる。 As described above, according to the present invention, a seal member is disposed between a shaft member and a case member that slide relatively in one direction, and the seal member is a case member or a seal member of the seal member. In the seal member holding structure of the seal device, which presses the seal member in the axial direction, an annular washer 25 is formed in a waveform as a member for holding the seal member, and radially outward at each crest portion A. Alternatively, the inward claws 25 a (25 b) are integrally formed, and the claws 25 a (25 b) of the corrugated washer 25 are engaged with the case member or the shaft member, and the corrugated washer 25 As the seal part is designed to apply an axial sealing pressure to the sealing member by the wave bottom B of: Only one member, ie, the corrugated washer 25 with the claw, needs to be provided as the seal member pusher, so that the number of parts can be reduced, the cost can be reduced, and the assembling operation can be facilitated.
いい換えると爪付波形座金 1つで、 従来の波形座金と止め リ ングの両方の機能を果たせる。 In other words, one corrugated washer with claw can perform both functions of conventional corrugated washer and retaining ring.
産業上の利用可能性 Industrial applicability
ダイヤフラム式バキュームァクチユエ一夕等、 各種ァク チユエ一夕のロッ ドシール用と して最適である。 It is most suitable for rod seals of various types of vacuum cleaners such as diaphragm vacuum cleaners.
5 Five
0 0
5
Five
Claims
1 . 軸方向に相対的に摺動する軸部材とケース部材との間 にシ一ル部材を配置し、 該シール部材をケ―ス部材ぁるいは シ一ル部材のシ―ル面に軸方向に押圧するシ―ル装置のシ― 1. A seal member is disposed between a shaft member that slides relatively in the axial direction and a case member, and the seal member is mounted on a case member or a seal surface of the seal member. Of the seal device to press in the direction
5 ル部材押え構造において、 シール部材を押える部材と して、 環状の座金を波形に形成すると共に各波高部に半径方向の外 向きあるいは内向きの爪を一体に形成し、 該爪付波形座金の 各爪をケース部材あるいは軸部材に係合し、 波形座金の波低 部により シール部材に軸方向のン一ル圧力を付与するように5 In the holding member holding structure, an annular washer is formed in a wave shape as a member for holding the seal member, and radially outward or inward claws are integrally formed at each crest portion. Each claw is engaged with the case member or the shaft member so that the corrugated washer of the corrugated washer applies an axial initial pressure to the seal member.
0 したシール装置のシ一ル部材押え構造。 The seal member holding structure of the sealing device that was used.
5 Five
0 0
5
Five
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1/112944U | 1989-09-27 | ||
JP1989112944U JPH0723653Y2 (en) | 1989-09-27 | 1989-09-27 | Seal member presser structure for sealing device |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1991005188A1 true WO1991005188A1 (en) | 1991-04-18 |
Family
ID=14599419
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1990/001152 WO1991005188A1 (en) | 1989-09-27 | 1990-09-10 | Construction for pressing seal member of seal device |
Country Status (3)
Country | Link |
---|---|
JP (1) | JPH0723653Y2 (en) |
DE (1) | DE4091723T1 (en) |
WO (1) | WO1991005188A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5113540B2 (en) * | 2008-01-23 | 2013-01-09 | タカタ株式会社 | Pretensioner and seat belt device |
JP4977170B2 (en) * | 2009-06-02 | 2012-07-18 | イーグル工業株式会社 | Fluid pressure actuator |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5723439U (en) * | 1980-07-11 | 1982-02-06 | ||
JPS6297362U (en) * | 1985-12-10 | 1987-06-20 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1675100A1 (en) * | 1967-03-07 | 1970-12-10 | Talousmoottori Oy | Roller bearing arrangement |
DE3329179A1 (en) * | 1983-08-12 | 1984-12-20 | Daimler-Benz Ag, 7000 Stuttgart | Internal retaining ring |
JPS60177315U (en) * | 1984-05-02 | 1985-11-25 | ソニー株式会社 | Pushnuts |
DD235698A1 (en) * | 1985-03-22 | 1986-05-14 | Oppach Schaltelektronik | CLAMPING DISC FOR THE MOVABLE STORAGE, SAFETY AND FIXING OF COMPONENTS IN HOLES AND DGL., PREFERABLY WITH AXIAL GAME |
JPS6380307U (en) * | 1986-11-14 | 1988-05-27 |
-
1989
- 1989-09-27 JP JP1989112944U patent/JPH0723653Y2/en not_active Expired - Fee Related
-
1990
- 1990-09-10 DE DE19904091723 patent/DE4091723T1/de not_active Withdrawn
- 1990-09-10 WO PCT/JP1990/001152 patent/WO1991005188A1/en active Application Filing
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5723439U (en) * | 1980-07-11 | 1982-02-06 | ||
JPS6297362U (en) * | 1985-12-10 | 1987-06-20 |
Also Published As
Publication number | Publication date |
---|---|
DE4091723T1 (en) | 1991-10-10 |
JPH0352469U (en) | 1991-05-21 |
JPH0723653Y2 (en) | 1995-05-31 |
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