JPH0449400Y2 - - Google Patents
Info
- Publication number
- JPH0449400Y2 JPH0449400Y2 JP2163088U JP2163088U JPH0449400Y2 JP H0449400 Y2 JPH0449400 Y2 JP H0449400Y2 JP 2163088 U JP2163088 U JP 2163088U JP 2163088 U JP2163088 U JP 2163088U JP H0449400 Y2 JPH0449400 Y2 JP H0449400Y2
- Authority
- JP
- Japan
- Prior art keywords
- mounting bracket
- protrusion
- outer cylinder
- shock absorber
- protrusions
- 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
- 239000006096 absorbing agent Substances 0.000 claims description 25
- 230000035939 shock Effects 0.000 claims description 25
- 239000000725 suspension Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 238000003466 welding Methods 0.000 description 5
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 3
- 238000013016 damping Methods 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Landscapes
- Fluid-Damping Devices (AREA)
Description
【考案の詳細な説明】
（産業上の利用分野）
本考案は、例えば車両の懸架装置として好適に
用いられる油圧緩衝器に関し、特に、緩衝器本体
に対し取付ブラケツトをカシメ等の手段を用いて
固定するようにした油圧緩衝器に関する。[Detailed Description of the Invention] (Industrial Application Field) The present invention relates to a hydraulic shock absorber that is suitably used as a suspension system for a vehicle, and in particular, the present invention relates to a hydraulic shock absorber that is suitably used as a suspension system for a vehicle, and in particular, the present invention relates to a hydraulic shock absorber that is suitably used as a suspension system for a vehicle. This invention relates to a fixed hydraulic shock absorber.
（従来の技術） 第１１図に従来技術の油圧緩衝器を示す。(Conventional technology) FIG. 11 shows a conventional hydraulic shock absorber.
図において、１は緩衝器本体を構成する外筒を
示し、該外筒１の上、下両端はキヤツプ２（上側
のみ図示）等によつて施蓋され、該キヤツプ２上
にはバンプラバー受け３が一体的に設けられてい
る。４は外筒１内からキヤツプ２等を介して軸方
向に突出したピストンロツドを示し、該ピストン
ロツド４の突出端側にはねじ部４Ａが形成され、
該ねじ部４Ａは車両の車体側にナツト（いずれも
図示せず）等を介して取付けられるようになつて
いる。そして、該ピストンロツド４は車両の振動
等に応じて外筒１の上端側から伸縮するようにな
つている。 In the figure, reference numeral 1 indicates an outer cylinder constituting the main body of the shock absorber. Both upper and lower ends of the outer cylinder 1 are covered with caps 2 (only the upper side is shown), etc., and a bump rubber receiver is placed on the cap 2. 3 are integrally provided. Reference numeral 4 designates a piston rod that projects in the axial direction from inside the outer cylinder 1 via the cap 2, etc., and a threaded portion 4A is formed on the projecting end side of the piston rod 4.
The threaded portion 4A is attached to the vehicle body side of the vehicle via a nut (none of which is shown) or the like. The piston rod 4 is adapted to expand and contract from the upper end side of the outer cylinder 1 in response to vehicle vibrations and the like.
５は外筒１の上部側外周に溶接部６等によつて
固着されたばね受けを示し、該ばね受け５はピス
トンロツド４の突出端側との間に配設される懸架
ばね（図示せず）の下端側を受承し、この懸架ば
ねはピストンロツド４を常時伸長方向に付勢する
ようになつている。 Reference numeral 5 denotes a spring receiver fixed to the outer periphery of the upper side of the outer cylinder 1 by a welded portion 6 or the like, and the spring receiver 5 is a suspension spring (not shown) disposed between it and the protruding end side of the piston rod 4. The suspension spring receives the lower end side of the piston rod 4, and this suspension spring always urges the piston rod 4 in the direction of extension.
７は外筒１の下端側外周に溶接部８等によつて
固着された取付ブラケツトを示し、該取付ブラケ
ツト７は、外筒１の下端側外周に嵌合され、溶接
部８によつて外筒１に固着された筒状部７Ａと、
該筒状部７Ａの下端側から左、右に張出すように
傾斜し、外筒１の下端よりも下方へと突出した二
又状のブラケツト部７Ｂ，７Ｂとからなり、該各
ブラケツト部７Ｂには車両の車軸側にボルト（い
ずれも図示せず）等を介して取付けられる取付穴
７Ｃ，７Ｃが穿設されている。 Reference numeral 7 indicates a mounting bracket fixed to the outer periphery of the lower end of the outer cylinder 1 by a welding part 8 or the like. A cylindrical part 7A fixed to the cylinder 1,
It consists of bifurcated bracket parts 7B, 7B that are inclined to project left and right from the lower end side of the cylindrical part 7A and project downward from the lower end of the outer cylinder 1, and each of the bracket parts 7B Attachment holes 7C, 7C are provided on the axle side of the vehicle to be attached via bolts (both not shown) or the like.
従来技術の油圧緩衝器は上述の如き構成を有す
るもので、ピストンロツド４のねじ部４Ａと取付
ブラケツト７の各ブラケツト部７Ｂとが車両の車
体側と車軸側とにそれぞれ取付けられ、ばね受け
５とピストンロツド４の突出端側との間には該ピ
ストンロツド４を常時伸長方向（図中上向き）に
付勢し、車体側を懸架する懸架ばねが配設され
る。そして、ピストンロツド４は車両の振動等に
応じて伸縮し、外筒１内で減衰力を発生させるこ
とにより車両の振動を緩衝するようになつてい
る。 The conventional hydraulic shock absorber has the above-mentioned configuration, in which the threaded portion 4A of the piston rod 4 and each bracket portion 7B of the mounting bracket 7 are respectively attached to the vehicle body side and the axle side of the vehicle, and the spring receiver 5 and each bracket portion 7B are attached to the vehicle body side and the axle side, respectively. A suspension spring is disposed between the piston rod 4 and the protruding end thereof to constantly bias the piston rod 4 in the extension direction (upward in the figure) and to suspend the vehicle body. The piston rod 4 expands and contracts in response to the vibrations of the vehicle and generates a damping force within the outer cylinder 1, thereby damping the vibrations of the vehicle.
然るに、上述した従来技術では、外筒１の外周
にばね受け５と取付ブラケツト７の筒状部７Ａと
を溶接部６，８によつてそれぞれ固着しているか
ら、外筒１内に内筒やピストンロツド（いずれも
図示せず）等を組込む前に、外筒１を単品状態で
その外周にばね受け５や取付ブラケツト７を溶接
しなければならず、前記組込み作業時の作業性が
悪くなるという欠点がある。
However, in the above-mentioned prior art, since the spring receiver 5 and the cylindrical portion 7A of the mounting bracket 7 are fixed to the outer periphery of the outer cylinder 1 by the welded parts 6 and 8, the inner cylinder is inserted into the outer cylinder 1. The spring receiver 5 and the mounting bracket 7 must be welded to the outer periphery of the outer cylinder 1 as a single item before installing the piston rod (both not shown), etc., which impairs workability during the above-mentioned assembling work. There is a drawback.
また、外筒１の肉厚を薄くしたい場合には前記
溶接が困難になるばかりでなく、前記溶接部６，
８には錆が発生し易く、信頼性を向上できないと
いう欠点がある。 Moreover, when it is desired to reduce the wall thickness of the outer cylinder 1, not only the welding becomes difficult, but also the welded portion 6,
No. 8 has the disadvantage that it is susceptible to rust and cannot improve reliability.
本考案は上述した従来技術の欠点に鑑みなされ
たもので、本考案は緩衝器本体としての外筒内に
内筒やピストン等を組込んで、ピストンロツド等
を組付けた後に、取付ブラケツト等をカシメ等の
手段を用いて固定でき、溶接作業等を不要にし
て、組立て時の作業性を向上できるようにした油
圧緩衝器を提供するものである。 The present invention was developed in view of the above-mentioned drawbacks of the prior art.The present invention incorporates the inner cylinder, piston, etc. into the outer cylinder as the main body of the shock absorber, and after assembling the piston rod, etc., the mounting bracket, etc. To provide a hydraulic shock absorber which can be fixed using means such as caulking, eliminates the need for welding work, etc., and improves workability during assembly.
上述した課題を解決するために本考案が採用す
る構成の特徴は、取付ブラケツトの上端に当接部
を有する筒状体によつて形成し、緩衝器本体の下
端側外周には、該取付ブラケツトの上端側内周に
圧入嵌合され、前記当接部と係合する複数の段付
突起と、該各段付突起の大突起部よりも下側に位
置する他の突起とを設け、かつ前記取付ブラケツ
トには前記各段付突起と他の突起とのいずれか一
方または両方に係合して該取付ブラケツトの抜止
めおよび廻止めを行うカシメ部を形成したことに
ある。
The feature of the configuration adopted by the present invention in order to solve the above-mentioned problems is that the mounting bracket is formed by a cylindrical body having an abutting part at the upper end, and the mounting bracket is attached to the outer periphery of the lower end of the shock absorber body. A plurality of stepped protrusions are press-fitted to the inner periphery of the upper end side and engage with the contact portion, and another protrusion is provided below the large protrusion of each stepped protrusion, and The mounting bracket is provided with a caulking portion that engages with one or both of the stepped protrusions and other protrusions to prevent the mounting bracket from slipping out or rotating.
取付ブラケツトの当接部とカシメ部とが緩衝器
本体の各段付突起と他の突起とに係合するから、
取付ブラケツトを緩衝器本体に対して上、下方向
に抜止めでき、該取付ブラケツトのカシメ部が緩
衝器本体の各段付突起間または他の突起と係合し
て、該取付ブラケツトの廻止めを行うことができ
る。
Since the abutting part and the caulking part of the mounting bracket engage with each stepped protrusion and other protrusions on the shock absorber body,
The mounting bracket can be prevented from being removed from the shock absorber body in the upper and lower directions, and the caulking portion of the mounting bracket engages between the stepped protrusions on the shock absorber body or with other protrusions to prevent the mounting bracket from rotating. It can be performed.
以下、本考案の実施例を第１図ないし第１０図
に基づいて説明する。なお、実施例では前述した
第１１図に示す従来技術と同一の構成要素に同一
の符号を付し、その説明を省略するものとする。
Embodiments of the present invention will be described below with reference to FIGS. 1 to 10. In this embodiment, the same components as those of the prior art shown in FIG. 11 described above are denoted by the same reference numerals, and the explanation thereof will be omitted.
而して、第１図ないし第４図は本考案の第１の
実施例を示している。 1 to 4 show a first embodiment of the present invention.
図中、１１は緩衝器本体を構成する外筒を示
し、該外筒１１は従来技術で述べた外筒１とほぼ
同様に形成されるものの、該外筒１１には、上部
側外周に周方向に所定間隔をもつて径方向外向き
に突設記された上側の段付突起１２，１２，…
と、下端側外周に周方向に所定間隔をもつて径方
向外向きに突設された下側の段付突起１３，１
３，…と、該各段付突起１３間で下方へと位置ず
れして、径方向外向きに突設された他の突起１
４，１４，…とがそれぞれ、例えば３個ずつ設け
られているので、ここで、前記各段付突起１２，
１３は外筒１１の軸方向に略長方形状に伸長し、
該各段付突起１２は上側が小突起部１２Ａ、下側
が大突起部１２Ｂとなり、各段付突起１３は上側
が大突起部１３Ａ、下側が小突起部１３Ｂとなつ
ている。 In the figure, reference numeral 11 indicates an outer cylinder constituting the shock absorber main body. Although the outer cylinder 11 is formed almost in the same way as the outer cylinder 1 described in the prior art, the outer cylinder 11 has a Upper stepped protrusions 12, 12, .
and lower stepped protrusions 13, 1 protruding outward in the radial direction at a predetermined interval in the circumferential direction on the outer periphery of the lower end side.
3,... and another protrusion 1 that is shifted downwardly between the stepped protrusions 13 and protrudes outward in the radial direction.
4, 14, ... are provided, for example, three each, so here, each of the stepped projections 12,
13 extends in the axial direction of the outer cylinder 11 in a substantially rectangular shape,
Each stepped protrusion 12 has a small protrusion 12A on the upper side and a large protrusion 12B on the lower side, and each stepped protrusion 13 has a large protrusion 13A on the upper side and a small protrusion 13B on the lower side.
また、各突起１４は各小突起部１３Ｂと同一高
さをもつて略長方形または略正方形状に形成さ
れ、その上端は各小突起部１３Ｂの下端にほぼ対
応する位置に配設されている。 Further, each protrusion 14 is formed in a substantially rectangular or substantially square shape with the same height as each small protrusion 13B, and its upper end is disposed at a position approximately corresponding to the lower end of each small protrusion 13B.
１５は外筒１１の上端側に固定されたばね受け
を示し、該ばね受け１５は従来技術で述べたばね
受け５と同様に懸架ばねの下端側を受承するもの
の、該ばね受け１５は各段付突起１２の小突起部
１２Ａに図中上方から圧入嵌合され、各大突起部
１２Ｂと係合することによつて、下方への抜止め
が行われている。 Reference numeral 15 indicates a spring receiver fixed to the upper end side of the outer cylinder 11. Although the spring receiver 15 receives the lower end side of the suspension spring in the same way as the spring receiver 5 described in the prior art, the spring receiver 15 has each step. It is press-fitted into the small protrusion 12A of the protrusion 12 from above in the figure, and is prevented from coming off downward by engaging with each large protrusion 12B.
１６は外筒１１の下端側外周に固定された取付
ブラケツトを示し、該取付ブラケツト１６は従来
技術で述べた取付ブラケツト７とほぼ同様に筒状
部１６Ａおよび取付穴１６Ｃ，１６Ｃを有する二
又状のブラケツト部１６Ｂ，１６Ｂからなるもの
の、筒状部１６Ａの上端側には径方向外向きに折
曲げられた環状のフランジ部１６Ｄが形成され、
該フランジ部１６Ｄは各段付突起１３に対する当
接部を構成している。そして、該取付ブラケツト
１６の筒状部１６Ａは外筒１１の下端から各突起
１４および各段付突起１３の小突起部１３Ｂ上に
圧入嵌合され、フランジ部１６Ｄは第４図等に示
す如く各大突起部１３Ａの下端に当接して係合す
るようになつている。また、該取付ブラケツト１
６のフランジ部１６Ｄは筒状部１６Ａを補強し、
該筒状部１６Ａが後述する各カシメ部１７の形成
時に変形するのを防止するようになつている。 Reference numeral 16 indicates a mounting bracket fixed to the outer periphery of the lower end side of the outer cylinder 11, and the mounting bracket 16 is a bifurcated part having a cylindrical portion 16A and mounting holes 16C, 16C, almost similar to the mounting bracket 7 described in the prior art. An annular flange portion 16D bent radially outward is formed on the upper end side of the cylindrical portion 16A.
The flange portion 16D constitutes a contact portion for each stepped projection 13. The cylindrical portion 16A of the mounting bracket 16 is press-fitted from the lower end of the outer cylinder 11 onto each of the projections 14 and the small projections 13B of each stepped projection 13, and the flange portion 16D is formed as shown in FIG. It comes into contact with and engages with the lower end of each large protrusion 13A. In addition, the mounting bracket 1
The flange portion 16D of No. 6 reinforces the cylindrical portion 16A,
This is designed to prevent the cylindrical portion 16A from being deformed during the formation of each caulked portion 17, which will be described later.
さらに、１７，１７，…は取付ブラケツト１６
の筒状部１６Ａを各段付突起１３の小突起部１３
Ｂ等を介して外筒１１の下端側外周に圧入嵌合し
た後に、該筒状部１６Ａに形成されたカシメ部を
示し、該各カシメ部１７はフランジ部１６Ｄより
も所定寸法下側に位置して筒状部１６Ａをカシメ
工具等を用いて部分的に縮径させることにより成
形され、その幅寸法が各段付突起１３間の寸法に
対応する略長方形状に形成されている。そして、
該各カシメ部１７はその左、右両端が各段付突起
１３の小突起部１３Ｂ間に係合して、外筒１１に
対する取付ブラケツト１６の廻止めを行い、該各
カシメ部１７の内面（底面）は第３図中に示す如
く外筒１１の外周面に当接するようになつてい
る。また、該各カシメ部１７の下端は各突起１４
の上端に係合し、各段付突起１３の大突起部１３
Ａに係合したフランジ部１６Ｄとの間で取付ブラ
ケツト１６を外筒１１に対して上、下方向に抜止
めするようになつている。 Furthermore, 17, 17,... are mounting brackets 16
The cylindrical portion 16A of the small protrusion 13 of each stepped protrusion 13
The crimped portions formed on the cylindrical portion 16A after being press-fitted to the outer periphery of the lower end side of the outer cylinder 11 through B etc. are shown, and each crimped portion 17 is located below the flange portion 16D by a predetermined dimension. The cylindrical portion 16A is formed by partially reducing the diameter using a caulking tool or the like, and is formed into a substantially rectangular shape whose width corresponds to the dimension between the stepped protrusions 13. and,
The left and right ends of each caulking portion 17 engage between the small protrusions 13B of each stepped protrusion 13 to prevent the mounting bracket 16 from rotating relative to the outer cylinder 11, and the inner surface of each caulking portion 17 ( The bottom surface) is adapted to come into contact with the outer circumferential surface of the outer cylinder 11 as shown in FIG. Further, the lower end of each caulking portion 17 is connected to each protrusion 14.
The large protrusion 13 of each stepped protrusion 13 engages with the upper end of the
The mounting bracket 16 is prevented from being removed upwardly and downwardly from the outer cylinder 11 between the flange portion 16D and the flange portion 16D engaged with the outer cylinder 11.
本実施例による油圧緩衝器は上述の如き構成を
有するもので、その基本的作動については従来技
術によるものと格別差異はない。 The hydraulic shock absorber according to this embodiment has the above-described configuration, and its basic operation is not particularly different from that of the prior art.
然るに本実施例では、外筒１１に各段付突起１
２，１３および他の各突起１４を設けて、これら
にばね受け１５と取付ブラケツト１６の筒状部１
６Ａとを圧入嵌合し、各段付突起１２の大突起部
１２Ｂによつてばね受け１５の抜止めを行うと共
に、取付ブラケツト１６の筒状部１６Ａには各段
付突起１３の大突起部１３Ａと係合するフランジ
部１６Ｄを上端側に設け、かつ各小突起部１３Ｂ
間と各突起１４の上端とに係合する各カシメ部１
７を形成したから、従来技術で述べた溶接部６，
８等を不要にして、ばね受け１５と取付ブラケツ
ト１６とを外筒１１に確実に固定できる。 However, in this embodiment, each stepped protrusion 1 is provided on the outer cylinder 11.
2, 13 and other protrusions 14, which are connected to the spring receiver 15 and the cylindrical portion 1 of the mounting bracket 16.
6A, and the large protrusion 12B of each stepped protrusion 12 prevents the spring receiver 15 from coming off. A flange portion 16D that engages with the flange portion 13A is provided on the upper end side, and each small protrusion portion 13B
Each caulking portion 1 engages between the space and the upper end of each protrusion 14
7, the welded portions 6 and 6 described in the prior art are formed.
8 etc., and the spring receiver 15 and the mounting bracket 16 can be reliably fixed to the outer cylinder 11.
即ち、取付ブラケツト１６はフランジ部１６Ｄ
が各大突起部１３Ａと係合し、各カシメ部１７が
各突起１４と係合することにより、上、下方向に
確実に抜止めすることができ、各カシメ部１７の
左、右両端が各小突起部１３Ｂ間に係合すること
により、廻止めすることができ、外筒１１に対し
て確実に固定できる。 That is, the mounting bracket 16 has a flange portion 16D.
engages with each large protrusion 13A, and each caulked portion 17 engages with each protrusion 14, thereby ensuring secure retention in the upward and downward directions, and both left and right ends of each caulked portion 17 By engaging between each of the small protrusions 13B, rotation can be prevented and it can be securely fixed to the outer cylinder 11.
従つて本実施例では、外筒１１にピストンロツ
ド４等を組付けて、緩衝器本体側を完成させた後
に、ばね受け１５や取付ブラケツト１６を外筒１
１に固定でき、組立て時の作業性を大幅に向上さ
せることができる。また、外筒１１を薄肉に形成
することも可能となり、軽量化を図ることができ
る上に、溶接作業を不要にして、錆の発生等を防
止でき、信頼性を向上できる等、種々の効果を奏
する。 Therefore, in this embodiment, after the piston rod 4 and the like are assembled to the outer cylinder 11 to complete the shock absorber main body side, the spring receiver 15 and the mounting bracket 16 are attached to the outer cylinder 1.
1, which greatly improves work efficiency during assembly. In addition, it is possible to form the outer cylinder 11 with a thin wall, which not only makes it possible to reduce the weight, but also eliminates the need for welding work, prevents rust, etc., and improves reliability. play.
次に、第５図は本考案の第２の実施例を示し、
本実施例の特徴は、外筒２１の下端側に大突起部
２２Ａ、小突起部２２Ｂからなり、周方向に離間
した段付突起２２，２２…と、該各段付突起２２
間で所定寸法下方に位置した他の突起２３，２３
…，とを設け、取付ブラケツト２４の筒状部２４
Ａには各段付突起２２の大突起部２２Ａに係合す
る当接部としてのフランジ部２４Ｄを上端側に設
けると共に、各小突起部２２Ｂ間に係合する第１
のカシメ部２５，２５，…と、該各カシメ部２５
よりも所定寸法下側に位置し、各突起２３の上端
に係合する第２のカシメ部２６，２６，……とを
形成したことにある。 Next, FIG. 5 shows a second embodiment of the present invention,
The features of this embodiment include a large protrusion 22A and a small protrusion 22B on the lower end side of the outer cylinder 21, and stepped protrusions 22, 22, etc. spaced apart in the circumferential direction, and each stepped protrusion 22.
Other protrusions 23, 23 located below by a predetermined distance between
..., and the cylindrical portion 24 of the mounting bracket 24.
A is provided with a flange portion 24D on the upper end side as a contact portion that engages with the large protrusion portion 22A of each stepped protrusion 22, and a first flange portion 24D that engages between each of the small protrusion portions 22B.
The caulking portions 25, 25, ... and each caulking portion 25
This is because second caulking portions 26, 26, .
かくして、このように構成される本実施例で
も、前記第１の実施例とほぼ同様の作用効果を得
ることができる。 Thus, this embodiment configured in this manner can also provide substantially the same effects as those of the first embodiment.
次に、第６図は本考案の第３の実施例を示し、
本実施例の特徴は、外筒３１の下端側に前記第２
の実施例で述べた外筒２１と同様に大突起部３２
Ａ、小突起部３２Ｂとからなる段付突起３２，３
２，…と、他の突起３３，３３，…とを設け、取
付ブラケツト３４の筒状部３４Ａには上端側に当
接部としてのフランジ部３４Ｄを設けると共に、
筒状部３４Ａの軸方向中間部には下向きに略コ字
形状に形成され、各突起３３の上端および左、右
両端に係合するカシメ部３５，３５，…を設けた
ことにある。 Next, FIG. 6 shows a third embodiment of the present invention,
The feature of this embodiment is that the second
Similar to the outer cylinder 21 described in the embodiment, the large protrusion 32
A, stepped protrusions 32, 3 consisting of small protrusions 32B
2, . . . and other protrusions 33, 33, .
The axially intermediate portion of the cylindrical portion 34A is provided with caulking portions 35, 35, .
かくして、このように構成される本実施例で
も、各カシメ部３５によつて取付ブラケツト３４
の下方への抜止めと廻止めとを行うことができ、
前記各実施例とほぼ同様の作用効果を得ることが
できる。 Thus, also in this embodiment configured in this way, the mounting bracket 34 is secured by each caulking portion 35.
It is possible to prevent the downward removal and rotation of the
Almost the same effects as in each of the embodiments described above can be obtained.
次に、第７図ないし第９図は本考案の第４の実
施例を示し、本実施例の特徴は、外筒４１の下端
側外周に大突起部４２Ａ、小突起部４２Ｂからな
る段付突起４２，４２，…を周方向に離間させて
設け、該各段付突起４２の小突起部４２Ｂを軸方
向に比較的長く伸長させると共に、該各小突起部
４２Ｂの下部側には各小突起部４２Ｂ間を埋める
ように他の突起４３，４３，…を設けたことにあ
る。ここで、該各突起４３は各小突起部４２Ｂの
高さ寸法ｔに対し、例えば高さ寸法ｔ／２をもつ
て形成され（第８図、第９図参照）、これらはそ
の高さ寸法ｔ，ｔ／２を変えることによつて外筒
４１の下端側を補強し、保形性を高めるようにな
つている。 Next, FIGS. 7 to 9 show a fourth embodiment of the present invention, and the feature of this embodiment is that the lower end side outer periphery of the outer cylinder 41 has a stepped portion consisting of a large protrusion 42A and a small protrusion 42B. The protrusions 42, 42, ... are provided spaced apart in the circumferential direction, and the small protrusions 42B of each stepped protrusion 42 are extended relatively long in the axial direction, and each small protrusion 42B is provided with a small protrusion on the lower side. The other protrusions 43, 43, . . . are provided so as to fill in the spaces between the protrusions 42B. Here, each of the protrusions 43 is formed to have, for example, a height t/2 with respect to the height t of each small protrusion 42B (see FIGS. 8 and 9). By changing t and t/2, the lower end side of the outer cylinder 41 is reinforced and shape retention is improved.
また、取付ブラケツト４４は、外筒４１の下端
側外周に各段付突起４２の小突起ブラケツト４２
Ｂを介して圧入嵌合され、上端面が当接部４４
A1となつて各大突起部４２Ａの下端に係合する
筒状部４４Ａと、該筒状部４４Ａの下端側に設け
られた二又状のブラケツト部４４Ｂ，４４Ｂとか
らなつている。そして、筒状部４４Ａの上端側に
は各小突起部４２Ｂ間に対応する幅寸法をもつて
略長方形状に形成されたカシメ部４５，４５，…
が設けられ、該各カシメ部４５の下端は各突起４
３の上端に係合し、各大突起部４２Ａに係合した
当接部４４A1、との間で取付ブラケツト４４の
上、下方向への抜止めを行うようになつている。
また、該各カシメ部４５の左、右両端は各小突起
部４２Ｂ間に係合して、取付ブラケツト４４の廻
止めを行うようになつている。 Further, the mounting bracket 44 has a small protrusion bracket 42 of each stepped protrusion 42 on the outer periphery of the lower end side of the outer cylinder 41.
The upper end surface is press-fitted through B, and the upper end surface is the contact part 44.
It consists of a cylindrical portion 44A that forms A 1 and engages with the lower end of each large protrusion 42A, and bifurcated bracket portions 44B, 44B provided at the lower end side of the cylindrical portion 44A. On the upper end side of the cylindrical portion 44A, caulked portions 45, 45, .
is provided, and the lower end of each caulking portion 45 is provided with each protrusion 4
3 and a contact portion 44A 1 engaged with each large protrusion 42A to prevent the mounting bracket 44 from coming off in the upward and downward directions.
Further, both left and right ends of each of the caulking portions 45 are adapted to engage between the respective small protrusions 42B to prevent the mounting bracket 44 from rotating.
かくして、このように構成される本実施例で
も、前記各実施例とほぼ同様の作用効果を得るこ
とができるものの、特に本実施例では、各小突起
部４２Ｂを軸方向に長く伸長させたから、取付ブ
ラケツト４４の筒状部４４Ａに対する嵌合時の取
付精度を向上でき、横方向荷重に対す耐久性等を
高めることができる。 Thus, although the present embodiment configured in this manner can obtain substantially the same effects as those of the aforementioned embodiments, in particular, in this embodiment, since each small protrusion 42B is elongated in the axial direction, The mounting accuracy when fitting the mounting bracket 44 to the cylindrical portion 44A can be improved, and the durability against lateral loads can be improved.
次に、第１０図は本考案の第５の実施例を示
し、本実施例の特徴は、外筒５１の下端側外周に
大突起部５２Ａ、小突起部５２Ｂからなる段付突
起５２，５２，…を周方向に離間させて設け、該
各段付突起５２の小突起部５２Ｂを軸方向に長く
伸長させて、該各小突起部５２Ｂ間に上、下に離
間して各小突起部５２Ｂ間を埋める他の突起５
３，５３，…，５４，５４，…を設けたことにあ
る。ここで、該各突起５３，５４は前記第４の実
施例で述べた各突起４３および各小突起部４２Ｂ
と同様に各小突起部５２Ｂに対して、約半分の高
さ寸法をもつて形成されている。 Next, FIG. 10 shows a fifth embodiment of the present invention, and the feature of this embodiment is that stepped protrusions 52, 52 consisting of a large protrusion 52A and a small protrusion 52B are provided on the outer periphery of the lower end side of the outer cylinder 51. , . Other protrusions 5 to fill in between 52B
3, 53, ..., 54, 54, ... are provided. Here, the respective protrusions 53 and 54 are the respective protrusions 43 and the respective small protrusions 42B described in the fourth embodiment.
Similarly, it is formed with about half the height of each small protrusion 52B.
また、取付ブラケツト５５は前記第１の実施例
で述べた取付ブラケツト１６とほぼ同様に筒状部
５５Ａ、各ブラケツト部５５Ｂおよびフランジ部
５５Ｄから構成されている。そして、筒状部５５
Ａの軸方向中間部には各小突起部５２Ｂ間および
各突起５３，５４間に対応する寸法をもつて略長
方形状に形成されたカシメ部５６，５６，…が設
けられ、該各カシメ部５６はその左、右両端が各
小突起部５２Ｂ間に係合し、上、下両端各突起５
３，５４間に係合し、取付ブラケツト５５の抜止
めおよび廻止めを行うようになつている。 Further, the mounting bracket 55 is composed of a cylindrical portion 55A, each bracket portion 55B, and a flange portion 55D, substantially similar to the mounting bracket 16 described in the first embodiment. And the cylindrical part 55
The axially intermediate portion of A is provided with caulking portions 56, 56, . The left and right ends of 56 engage between the small protrusions 52B, and the upper and lower ends of each protrusion 5
3 and 54 to prevent the mounting bracket 55 from coming off and rotating.
かくして、このように構成される本実施例で
も、前記第４の実施例とほぼ同様の作用効果を得
ることができる。 Thus, this embodiment configured in this manner can also provide substantially the same effects as those of the fourth embodiment.
以上詳述した通り、本考案によれば、緩衝器本
体の下端側外周に複数の段付突起と他の突起とを
設け、取付ブラケツトを該各段付突起等を介して
緩衝器本体の下端側に圧入嵌合し、取付ブラケツ
トの当接部を各段付突起に係合させると共に、取
付ブラケツトには他の突起等に係合するカシメ部
を形成したから、取付ブラケツトを抜止め、廻止
め状態で緩衝器本体に固定でき、組立て時の作業
性を向上できる上に、溶接作業を不要にして錆の
発生を防止でき、信頼性を向上できる等、種々の
効果を奏する。
As detailed above, according to the present invention, a plurality of stepped protrusions and other protrusions are provided on the outer periphery of the lower end of the shock absorber body, and the mounting bracket is attached to the lower end of the shock absorber body via the stepped protrusions. The contact part of the mounting bracket is press-fitted to the side, and the contact part of the mounting bracket is engaged with each stepped protrusion.The mounting bracket is also formed with a caulked part that engages with other protrusions, etc., so that the mounting bracket can be prevented from being removed and rotated. It can be fixed to the shock absorber main body in a fixed state, which not only improves workability during assembly, but also eliminates the need for welding, prevents rust, and improves reliability.
第１図ないし第４図は本考案の第１の実施例を
示し、第１図は緩衝器の斜視図、第２図は緩衝器
の下部側を拡大して示す正面図、第３図は第２図
中の−矢示方向断面図、第４図は第２図中の
−矢示方向断面図、第５図は第２の実施例を
示す緩衝器の部分正面図、第６図は第３の実施例
を示す緩衝器の部分正面図、第７図ないし第９図
は第４の実施例を示し、第７図は第２図と同様の
正面図、第８図は第７図中の−矢示方向断面
図、第９図は第７図中の−矢示方向断面図、
第１０図は第５の実施例を示す第２図と同様の正
面図、第１１図は従来技術を示す緩衝器の斜視図
である。
１１，２１，３１，４１，５１……外筒（緩衝
器本体）、１３，２２，３２，４２，５２……段
付突起、１４，２３，３３，４３，５３，５４…
…突起、１６，２４，３４，４４，５５……取付
ブラケツト、１６Ａ，２４Ａ，３４Ａ，４４Ａ，
５５Ａ……筒状部、１６Ｄ，２４Ｄ，３４Ｄ，５
５Ｄ……フランジ部（当接部）、１７，２５，２
６，３５，４５，５６……カシメ部、４４A1…
…当接部。
1 to 4 show a first embodiment of the present invention, in which FIG. 1 is a perspective view of the buffer, FIG. 2 is an enlarged front view of the lower part of the buffer, and FIG. FIG. 4 is a sectional view in the direction of the - arrow in FIG. 2, FIG. 5 is a partial front view of the buffer showing the second embodiment, and FIG. A partial front view of the buffer showing the third embodiment, FIGS. 7 to 9 show the fourth embodiment, FIG. 7 is a front view similar to FIG. 2, and FIG. 8 is the same as FIG. 9 is a sectional view in the direction of the arrow in FIG. 7,
FIG. 10 is a front view similar to FIG. 2 showing the fifth embodiment, and FIG. 11 is a perspective view of a shock absorber showing the prior art. 11, 21, 31, 41, 51... Outer cylinder (buffer body), 13, 22, 32, 42, 52... Stepped projection, 14, 23, 33, 43, 53, 54...
...Protrusion, 16, 24, 34, 44, 55...Mounting bracket, 16A, 24A, 34A, 44A,
55A...Cylindrical part, 16D, 24D, 34D, 5
5D...flange part (contact part), 17, 25, 2
6, 35, 45, 56...Caulking part, 44A 1 ...
...Abutment part.
Claims (1)
れる取付ブラケツトとからなる油圧緩衝器におい
て、前記取付ブラケツトを上端に当接部を有する
筒状体によつて形成し、前記緩衝器本体の下端側
外周には、該取付ブラケツトの上端側内周に圧入
嵌合され、前記当接部と係合する複数の段付突起
と、該各段付突起の大突起部よりも下側に位置す
る他の突起とを設け、かつ前記取付ブラケツトに
は前記各段付突起と他の突起とのいずれか一方ま
たは両方に係合して該取付ブラケツトの抜止めお
よび廻止めを行うカシメ部を形成したことを特徴
とする油圧緩衝器。 In a hydraulic shock absorber comprising a shock absorber main body and a mounting bracket provided on the lower end side of the shock absorber main body, the mounting bracket is formed of a cylindrical body having an abutting portion at an upper end, and the shock absorber main body The outer periphery of the lower end includes a plurality of stepped protrusions that are press-fitted to the inner periphery of the upper end of the mounting bracket and engage with the abutting portion, and a plurality of stepped protrusions located below the large protrusion of each of the stepped protrusions. The mounting bracket is provided with a caulking portion that engages with either or both of the stepped projections and the other projection to prevent the mounting bracket from slipping out or rotating. A hydraulic shock absorber characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2163088U JPH0449400Y2 (en) | 1988-02-20 | 1988-02-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2163088U JPH0449400Y2 (en) | 1988-02-20 | 1988-02-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01126449U JPH01126449U (en) | 1989-08-29 |
| JPH0449400Y2 true JPH0449400Y2 (en) | 1992-11-20 |
Family
ID=31239034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2163088U Expired JPH0449400Y2 (en) | 1988-02-20 | 1988-02-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0449400Y2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003028230A (en) * | 2001-07-18 | 2003-01-29 | Showa Corp | Knuckle mounting structure for hydraulic shock absorber |
| JP7275061B2 (en) * | 2020-02-06 | 2023-05-17 | 日立Astemo株式会社 | Cylinder device |
-
1988
- 1988-02-20 JP JP2163088U patent/JPH0449400Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH01126449U (en) | 1989-08-29 |
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