JPS61180024A - Universal joint - Google Patents
Universal jointInfo
- Publication number
- JPS61180024A JPS61180024A JP60017966A JP1796685A JPS61180024A JP S61180024 A JPS61180024 A JP S61180024A JP 60017966 A JP60017966 A JP 60017966A JP 1796685 A JP1796685 A JP 1796685A JP S61180024 A JPS61180024 A JP S61180024A
- Authority
- JP
- Japan
- Prior art keywords
- yoke
- cylindrical yoke
- flexible seal
- cylindrical
- universal joint
- 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.)
- Pending
Links
- 230000002093 peripheral effect Effects 0.000 abstract description 5
- 238000003466 welding Methods 0.000 abstract description 3
- 238000007789 sealing Methods 0.000 abstract description 2
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
- F16D3/26—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected
- F16D3/38—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected with a single intermediate member with trunnions or bearings arranged on two axes perpendicular to one another
- F16D3/40—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected with a single intermediate member with trunnions or bearings arranged on two axes perpendicular to one another with intermediate member provided with two pairs of outwardly-directed trunnions on intersecting axes
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/84—Shrouds, e.g. casings, covers; Sealing means specially adapted therefor
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing Devices (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は摺動部の耐水性を向上するためシールされた自
在継手に関するものである。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a universal joint that is sealed to improve the water resistance of sliding parts.
（従来の技術と問題点）
自在継手は動力を伝達するため種々の機械に使用されて
いるが、泥水や粉塵に汚れ易い場所及び液中での使用を
考慮して、自在継手をシールすることが従来から行われ
ている。(Conventional technology and problems) Universal joints are used in various machines to transmit power, but it is necessary to seal the universal joints in consideration of use in locations that are easily contaminated by muddy water or dust, and in liquids. has traditionally been practiced.
例えば自在継手を蛇腹で完全に密閉することが行われて
いるが、蛇腹が大きくなり、高価であると共に、耐久性
にも問題がある。For example, a universal joint is completely sealed with a bellows, but the bellows are large and expensive, and there are problems with durability.
（発明の目的）
本発明の目的は安価に製造でき、シールが完全で、摺動
部の耐水性を向上し、水中での使用をも可能にした自在
継手を得るにある。(Objective of the Invention) An object of the present invention is to obtain a universal joint that can be manufactured at low cost, has a perfect seal, has improved water resistance of sliding parts, and can be used underwater.
（発明の構成）
本発明自在継手は十字形軸を包囲し支承するよう筒形に
形成した筒形ヨークと、この筒形ヨーク内で十字形軸に
係合する他方のヨークとから成る自在継手において、前
記筒形ヨークの筒周辺で前記十字形軸の２個の軸を支承
し、前記筒形ヨークの一方の端部をフランジ又は軸に構
成し、前記筒形ヨークの他方と前記他方のヨークとの間
に可撓性シールを固着したことを特徴とする。(Structure of the Invention) The universal joint of the present invention is a universal joint consisting of a cylindrical yoke formed in a cylindrical shape to surround and support a cruciform shaft, and another yoke that engages with the cruciform shaft within this cylindrical yoke. The two shafts of the cruciform shaft are supported around the cylinder of the cylindrical yoke, one end of the cylindrical yoke is configured as a flange or a shaft, and the other of the cylindrical yoke and the other It is characterized by a flexible seal fixed between it and the yoke.
筒形ヨークを引抜鋼管とフランジとで構成するのがよい
。The cylindrical yoke is preferably constructed from a drawn steel pipe and a flange.
（実施例）
第１及び２図に本発明の自在継手の好適な実施例を示す
。この自在継手は引抜鋼管から成りフランジ１を１２で
溶接した一方の筒形ヨーク２と、他方のヨーク３と、こ
れ等ヨークを連結する十字形軸４とから成る。筒形ヨー
ク２の肉厚部５を貫通する孔６に十字形軸４の長軸を支
承する。筒形ヨーク２とフランジ１との溶接はアーク溶
接又は摩擦溶接によって行なうのがよい。(Embodiment) Figures 1 and 2 show a preferred embodiment of the universal joint of the present invention. This universal joint is made of a drawn steel pipe and consists of a cylindrical yoke 2 with a flange 1 welded at 12, a yoke 3 on the other side, and a cruciform shaft 4 connecting these yokes. A long axis of a cross-shaped shaft 4 is supported in a hole 6 passing through a thick portion 5 of a cylindrical yoke 2. The cylindrical yoke 2 and the flange 1 are preferably welded by arc welding or friction welding.
第１及び２図の符号７はスラストワッシャー、符号８は
軸端のシールである。このシールは防水パツキンを使用
してもよい。Reference numeral 7 in FIGS. 1 and 2 is a thrust washer, and reference numeral 8 is a seal at the end of the shaft. A waterproof seal may be used for this seal.
本発明においてはフランジ１と反対側の筒形ヨーク２の
端部にゴム又はプラスチックスから成る図示のような可
撓性シール９を設け、この可撓性シール９の外周端を固
定金具１０によって筒形ヨーク２に固着し、可撓性シー
ル９の内周端を他方のヨーク３に固定バンド１１によっ
て固着する。図面に示すように可撓性シール９は筒形ヨ
ーク２の円筒形の内面と、他方のヨーク３の外面との間
にあって半径方向の断面がほぼＵ字状で全体としては円
形である。可撓性シール９の外周端及び内周端を肉厚に
して段をつけ、筒形ヨーク２及び他方のヨーク３の溝に
はめるのがよい。In the present invention, a flexible seal 9 made of rubber or plastic as shown is provided at the end of the cylindrical yoke 2 opposite to the flange 1, and the outer peripheral end of the flexible seal 9 is secured by a fixing fitting 10. The flexible seal 9 is fixed to the cylindrical yoke 2, and the inner peripheral end of the flexible seal 9 is fixed to the other yoke 3 by a fixing band 11. As shown in the drawings, the flexible seal 9 is located between the cylindrical inner surface of the cylindrical yoke 2 and the outer surface of the other yoke 3, and has a generally U-shaped radial cross section and a circular shape as a whole. It is preferable that the outer peripheral end and the inner peripheral end of the flexible seal 9 be thickened and stepped, and fit into the grooves of the cylindrical yoke 2 and the other yoke 3.
第２図の自在継手は十字形軸の長さり、ＬｔがＬｔ＞Ｌ
ｘのように異なる場合であるが、第３図にＬ３＋Ｌ、の
ように長さが等しい場合を示し、第２図の場合は長軸り
、を筒形ヨーク２に取付け、短軸Ｌ２を他方のヨーク３
に取付ける。第３図の場合には筒形ヨーク２の断面が楕
円形になるが、これ以外の構造は第２図の自在継手と全
く同一である。The universal joint in Figure 2 has a cruciform shaft with a length of Lt>L
x, but Fig. 3 shows a case where the lengths are equal, such as L3+L. In the case of Fig. 2, the long axis is attached to the cylindrical yoke 2, and the short axis L2 is attached to the other yoke 3
Attach to. In the case of FIG. 3, the cross section of the cylindrical yoke 2 is elliptical, but the other structure is exactly the same as the universal joint shown in FIG.
第１図に断面がＵ字状の可撓性シールを図示したが、そ
の他種々の断面形状が考えられる。例えば、蛇腹状の可
撓性シールを第４図に示す。Although FIG. 1 shows a flexible seal having a U-shaped cross section, various other cross-sectional shapes are possible. For example, a bellows-shaped flexible seal is shown in FIG.
尚第５図に示すようにスプライン軸１３を有するフラン
ジ１′を筒形ヨーク２に１２で溶接したヨークでもよい
。As shown in FIG. 5, a yoke in which a flange 1' having a spline shaft 13 is welded to a cylindrical yoke 2 at 12 may also be used.
（発明の効果）
本発明は以上のように構成したから、可撓性シールを小
形に簡単な構造にすることができ、しかもシールを完全
に行なうことができる。従って価格が安価であり、部品
数が少なく、水中での使用も可能である。また筒形ヨー
クは引抜鋼管を使用してフランジに溶接するようにした
から一層安価である。(Effects of the Invention) Since the present invention is configured as described above, the flexible seal can be made small and have a simple structure, and moreover, the sealing can be performed perfectly. Therefore, it is inexpensive, has a small number of parts, and can be used underwater. Furthermore, the cylindrical yoke is made of drawn steel pipe and is welded to the flange, making it even more inexpensive.
第１図は本発明自在継手の好適な実施例の一部を断面と
する正面図、
第２図は第１図の自在継手の一部を断面とする横断側面
図、
第３図は本発明を適用し得る自在継手の一部を断面とす
る横断面図、
第４図は可撓性シールの他の実施例を示す部分断面図、
第５図は筒形ヨークの一方の端部をスプライン軸にした
実施例を示す正面図である。
１・・・フランジ ２・・・筒形ヨーク３・・・
他方のヨーク ４・・・十字形軸５・・・肉厚部
６・・・孔
７・・・スラストワッシャー
８・・・シール ９・・・可撓性シール１０・
・・固定金具 １１・・・固定バンド１２・・・
溶接部 １３・・・スプライン軸第１図
ｆ
！・・・７う）ゾ
ｑｏｌ、可読性’／−ｌ−
第２図FIG. 1 is a partially sectional front view of a preferred embodiment of the universal joint of the present invention; FIG. 2 is a cross-sectional side view of the universal joint of FIG. 1; FIG. 3 is a partially sectional side view of the universal joint of the present invention; Figure 4 is a partial cross-sectional view showing another example of a flexible seal, Figure 5 is a cross-sectional view of a part of a universal joint to which the flexible seal can be applied, and Figure 5 is a cross-sectional view showing one end of the cylindrical yoke. FIG. 3 is a front view showing an example in which the shaft is used as a shaft. 1...Flange 2...Cylindrical yoke 3...
Other yoke 4...cruciform shaft 5...thick part
6... Hole 7... Thrust washer 8... Seal 9... Flexible seal 10.
・Fixing metal fittings 11...Fixing band 12...
Welded part 13... Spline shaft Fig. 1 f! ...7u) Zoqol, readability'/-l- Figure 2
Claims (1)
ヨークと、この筒形ヨーク内で十字形軸に係合する他方
のヨークとから成る自在継手において、 前記筒形ヨークの筒周辺で前記十字形軸の ２個の軸を支承し、前記筒形ヨークの一方の端部をフラ
ンジ又は軸に構成し、前記筒形ヨークの他方と前記他方
のヨークとの間に可撓性シールを固着したことを特徴と
する自在継手。 ２、前記十字形軸のトラニオンが不等長である時、前記
筒形ヨークの断面を円形に構成した特許請求の範囲第１
項に記載の自在継手。 ３、前記十字形軸のトラニオンが等長である時、前記筒
形ヨークの断面を楕円形に構成した特許請求の範囲第１
項に記載の自在継手。[Claims] 1. A universal joint consisting of a cylindrical yoke formed in a cylindrical shape to surround and support a cruciform shaft, and another yoke that engages with the cruciform shaft within this cylindrical yoke, Two shafts of the cross-shaped shaft are supported around the cylinder of the cylindrical yoke, one end of the cylindrical yoke is configured as a flange or a shaft, and the other of the cylindrical yoke and the other yoke are connected to each other. A universal joint characterized in that a flexible seal is fixed between the joints. 2. When the trunnions of the cruciform shaft have unequal lengths, the cylindrical yoke has a circular cross section.
Universal joints as described in section. 3. When the trunnions of the cruciform shaft are of equal length, the cylindrical yoke has an elliptical cross section.
Universal joints as described in section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60017966A JPS61180024A (en) | 1985-02-01 | 1985-02-01 | Universal joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60017966A JPS61180024A (en) | 1985-02-01 | 1985-02-01 | Universal joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61180024A true JPS61180024A (en) | 1986-08-12 |
Family
ID=11958476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60017966A Pending JPS61180024A (en) | 1985-02-01 | 1985-02-01 | Universal joint |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61180024A (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2469713A (en) * | 1943-08-04 | 1949-05-10 | Stephen L C Coleman | Universal joint |
-
1985
- 1985-02-01 JP JP60017966A patent/JPS61180024A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2469713A (en) * | 1943-08-04 | 1949-05-10 | Stephen L C Coleman | Universal joint |
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