CN100385166C - Universal joint - Google Patents
Universal joint Download PDFInfo
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- CN100385166C CN100385166C CNB2006100037232A CN200610003723A CN100385166C CN 100385166 C CN100385166 C CN 100385166C CN B2006100037232 A CNB2006100037232 A CN B2006100037232A CN 200610003723 A CN200610003723 A CN 200610003723A CN 100385166 C CN100385166 C CN 100385166C
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- tubular member
- bulb
- cover cap
- universal joint
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Abstract
To provide a pipe universal joint in which an angle formed by axes in both ends is easily set and a hose and a socket are easily connected by stabilizing the axial directions of respective pipe members at the time of connecting them. This pipe universal joint is so formed that a first pipe member 22 and a second pipe member 23 are connected at a free angle formed by the axis G<SB>7</SB>of the first pipe member 22 and the axis G<SB>8</SB>of the second pipe member 23 via an intermediate pipe member 21, at least, one of the first pipe member 22 or the second pipe member 23 is rotatably to the axis G<SB>9</SB>of the intermediate pipe member 21, and fluid is fed by connecting between the hose and the hose or equipment. The intermediate pipe member 21 has a first internal ball body part 24 having its outside expanding into a spherical shape in one end, the first pipe member 22 is provided with a first internal ball body part 27 having the first internal ball body part 24 inserted therein and an outward expanding opening portion 27a having an axis, which forms an appropriate angle to the axis G<SB>7</SB>, and the first internal ball body part 24 and the first internal ball body part 27 are formed into spherical contrapositions.
Description
The application is the application people for Dasen Yosen Kaisha, application number are 03106066.8, the applying date is on February 20th, 2003, is entitled as dividing an application of " universal joint ".
Technical field
The present invention relates to a kind of two universal joints that the tubular member that fluid passes through is arranged that are used to connect.
Background technique
Fig. 7 shows first kind of traditional universal joint.Universal joint 200 comprises: a pin member 201, and the one end links to each other with a support or socket (not shown); One intermediate tubular member 203, the one end links to each other with pin member 201 rotationally by ball bearing 204; And a shroud member 202, this shroud member links to each other with the other end of intermediate member by ball bearing 205 at one end, and links to each other at the instrument of (not shown)s such as the other end place and pneumatic tool.
The axis G2 of the axis G1 of one end of intermediate tubular member 203 and plug aligned with each other and shroud member 201 and 202 and angle of G3 inclination.
By with respect to intermediate tubular member 203 rotary connector members 201, can make pin member 201 with respect to shroud member 202 to be formed on the angle universal movement between plug and the intermediate tubular member axis.
Fig. 8 shows second kind of traditional universal joint.Universal joint 300 comprises an intermediate tubular member 301, a pin member 305 that links to each other with intermediate tubular member 301 and a shroud member 307 that links to each other with intermediate tubular member 301.Intermediate tubular member 301 has bulb 302 and 303 outside first and second at its opposite end.
One end of pin member 305 is provided with an inner sphere 304, wherein be inserted with the first outer bulb 302 so that pin member with respect to intermediate tubular member universal movement, and an end of shroud member 307 is provided with an inner sphere 306, wherein be inserted with the second outer bulb 303 so that shroud member with respect to intermediate tubular member universal movement.
Therefore, by rotary connector member or shroud member, the axis G4 of plug and shroud member 305 and 307 and G5 are changed at any angle mutually.
As the third traditional universal joint, knownly in Japanese public publication 4-236884, disclosed a kind of universal joint.
As shown in Figure 9, universal joint 400 comprises an intermediate tubular member 403, first and second tubular members 401 that link to each other with intermediate tubular member 403 and 402 and one cover cap 404, and this cover cap surrounds the intermediate tubular member 403 between first and second tubular members 401 and 402.
Intermediate tubular member 403 has bulb 403a and 403b outside first and second at its opposite end.
One end 401a of first tubular member 401 is provided with an inner sphere 401b, wherein be inserted with the first outer bulb 403a so that first tubular member 401 with respect to intermediate tubular member 403 universal movements, and an end 402a of second tubular member 307 is provided with an inner sphere 402a, wherein be inserted with the second outer bulb 403b so that second tubular member with respect to intermediate tubular member universal movement.
Cover cap is connected to the end 401a and the 402a of first and second tubular members 401 and 402, and is used to prevent that any dust from entering the space between first and second tubular members 401 and 402.Cover cap is made by the type flexible material such as rubber, so that expand and contraction.Shown in Fig. 9 (b), cover cap is suitable for following the universal motion of first and second tubular members and expands and shrink.
Yet, in first kind of traditional universal joint shown in Figure 7, must rotate along any direction and insert member 201, so that the axis of plug and shroud member changes with required angle.Therefore, operation is not fine.
In second kind of traditional universal joint shown in Figure 8, because the opposite end universal movement of intermediate tubular member 301, so axis G4 and G5 and unstable.Therefore, for example when support or socket and plug member 305 links to each other, its connection meeting since departing from of axis G4 become difficult.
In the third traditional universal joint shown in Figure 9, expand or shrink because cover cap 404 is suitable for according to first and second tubular members universal motion, so it is easily deformable, is damaged or moves apart first and second tubular members sometimes.When members such as support linked to each other with first and second tubular members, cover cap can be gripped with hand or be contacted with any instrument by the user, thereby cover cap is damaged and moved apart first and second tubular members.If cover cap moves apart first and second tubular members, dust etc. will enter by the space between first and second tubular members in the joint, thereby lose seal action.
In addition, the claimant finds also to have disclosed in the following patent literature similar universal joint.
In B. P. 846905A, disclosed a kind of flow of fluid joint.This joint comprises that a upper flange 2, one skirt sections 6 dangle from upper flange 2 downwards.Be equipped with in the spherical on the skirt section 6 tubular member 14 one on pommel 12.One second tubular member, 20 telescopicallies are installed in the parallel bottom of tubular member 14, and the lower end of tubular member 14 provides a recess sphere 24, are placed with the protuberance bulb that cooperates with it of a short tube 26 in this sphere 24.Flanged pipe 28 is suitable for being installed in the mouth of discharge tube 31, with the cooperation degree of depth of limiter tube 28.
Also disclosed a kind of spherical joint in D.B.P. 56622C, this spherical joint comprises a upper component (part that promptly has screw D) and a bottom member (part that promptly has pin E).Passage F crosses between minute yoke 2 after by upper component and lower member.
Summary of the invention
Consider the problem of above-mentioned traditional universal joint and make the present invention.Therefore, the purpose of this invention is to provide a kind of universal joint, members such as its medium-height trestle can be connected with first and second tubular members easily under the situation of non-warping support etc. and unload from this, and realize good operability.
For realizing above purpose, universal joint of the present invention comprises that one first tubular member, one second tubular member and are used to be connected the intermediate tubular member of first and second tubular members.The intermediate tubular member has an outer bulb at one end, and has a cylindrical portions may at the other end place.First tubular member has bulb at one end, and the outer bulb that wherein is inserted with the intermediate tubular member is so that universal movement.Second tubular member has a hole at one end, wherein rotatably is inserted with the cylindrical portions may of intermediate tubular member, and wherein, the axis in described interior bulb and the axis tilt of described first tubular member are at an angle.
Ball bearing is arranged between the described outer and inner bulb and between the cylindrical portions may of the hole of second tubular member and intermediate tubular member.
Seal arrangement is arranged between the described outer and inner bulb and between the cylindrical portions may of the hole of second tubular member and intermediate tubular member.
Each above-mentioned ball bearing comprises a plurality of spheroids.
Each above-mentioned seal arrangement comprises a sealing component of being made by elastic material.
In an embodiment, universal joint comprises that one first tubular member, one second tubular member, are used for connecting movingly the intermediate tubular member and a cover cap of first and second tubular members, and this cover cap is arranged between first and second tubular members to cover space therebetween.
Cover cap contacts each first and second tubular member movingly.Cover cap links to each other with first and second tubular members, so that can be with respect to these member universal movements.
Cover cap has one first inner ball surface at one end, and has one second inner ball surface at the other end place.First tubular member has one first bulb at one end, and described second tubular member has one second bulb at one end.First inner ball surface of cover cap movingly, first bulb of universal contact first tubular member.Second inner ball surface of cover cap movingly, second bulb of universal contact second tubular member.
One end of described cover cap links to each other with first tubular member, so that with respect to the first tubular member universal movement, and the other end of cover cap links to each other with second tubular member, so that rotate with respect to second tubular member.
In one example, even cover cap also can keep its shape when described first and second tubular members move.Cover cap is made by hardened material.
Description of drawings
Fig. 1 is one first embodiment's of a universal joint of the present invention sectional view;
Fig. 2 (a) is the sectional view of the intermediate tubular member that uses in the universal joint in the foregoing description shown in Figure 1;
Fig. 2 (b) is the sectional view of first tubular member that uses in the universal joint in the foregoing description;
Fig. 2 (c) is the sectional view of second tubular member that uses in the universal joint in the foregoing description;
Fig. 3 (a) and (b) be the diagrammatic sketch of operation that is used for illustrating the universal joint of the foregoing description;
Fig. 4 is one second embodiment's of a universal joint of the present invention sectional view;
Fig. 5 (a) and (b) be the sectional view of operation that is used for illustrating second embodiment's universal joint;
Fig. 6 is the sectional view that shows one the 3rd embodiment of universal joint of the present invention;
Fig. 7 is the sectional view that shows first kind of traditional universal joint;
Fig. 8 is the sectional view that shows second kind of traditional universal joint;
Fig. 9 (a) is the sectional view that shows the third traditional universal joint;
Fig. 9 (b) is the diagrammatic sketch of the operation of the universal joint shown in the explanatory drawing 9 (a).
Embodiment
One first embodiment below in conjunction with Fig. 1 to 3 explanation universal joint of the present invention.
See also Fig. 1, universal joint 20 comprises one second tubular member or the shroud member 23 that an intermediate tubular member 21, first tubular member that links to each other with intermediate tubular member 21 or pin member 22, link to each other with intermediate tubular member 21.By connecting intermediate tubular, plug and shroud member, forms a fluid and pass through wherein pipeline.Intermediate tubular, plug and shroud member are made by steel or plastic resin etc.
Shown in Fig. 2 (a), intermediate tubular member 21 has an outer bulb 24 at one end, and has a cylindrical portions may 25 at the other end place.Thereby form the outer bulb 24 of spherical formation by the outer surface 21a that makes the intermediate tubular member.The outer surface 21a of intermediate tubular member 21 extends along an axis G9, and this axis is parallel with the interior perimeter surface 21b of the center hole of intermediate tubular member 21.
Shown in Fig. 1 and 2 (b), pin member 22 has a plug portion 26 at one end, and this plug portion links to each other with members such as support, sockets.The other end of pin member 22 is provided with bulb 27 in, wherein is inserted with the outer bulb 24 of intermediate tubular member 21.Plug portion 26 tapers to its front end from outer bulb 24, so that pin member is easy to insert members such as support.Bulb 27 has an axis G α in should be noted in the discussion above that, the axis G7 lateral inclination of this axis and pin member 22 is θ at angle.
One anti-movement means is arranged between the interior bulb 27 of the outer bulb 24 of intermediate tubular member 21 and first tubular member 22.
Anti-movement means comprises a ball bearing 33a, and this ball bearing comprises such as a plurality of metal ball body 33.All spheroids are inserted a circular groove 27b who is formed on the interior bulb 27.In outer bulb 24 is inserted in the bulb 27 after, by a tapped hole 27d who is formed in the outer bulb 28 all spheroids is inserted circular groove 27b.One screw (not shown) is screwed among the 27d of hole, shifts out circular groove 27b to prevent all spheroids.All spheroids contact with the outer wall in outer bulb 24, shift out interior bulb 27 to prevent ectosphere portion 24, as shown in Figure 1.Preferably the axis G2 along pin member is provided with a small gap between ball bearing 33a and circular groove 27b.
Also a seal arrangement is arranged between outer bulb 24 and the interior bulb 27.For example, seal arrangement comprises a sealing component 32, the circular groove 27c in the sealing member is inserted into and is formed in the bulb 27.Sealing component is by making such as rubber or elastic resin.Sealing component 32 contacts with the outer bulb 24 of intermediate tubular member 21 under pressure, enters the contact segment between outer bulb 24 and the ball bearing to prevent liquid.
In the embodiment shown in fig. 1, sealing component 32 is made of Y shape sealing material, and the two legs portion of sealing material contacts with outer bulb 24.
The open end 27a in interior bulb is provided with a cone shape hole, and this cone shape hole has a diameter greater than interior bulb.
Preferably ball bearing is arranged on open section 27a near, and sealing component is arranged on position away from open section 27a.
Adopt above structure, first tubular member (pin member) 22 and intermediate tubular member 21 be universal movement relative to each other.
Shroud member 23 has a sleeve part 29 at one end, and has a cylindrical portions may 30 at the other end place.Shroud member 23 has an axis G8.Sleeve part 29 has a screw section, this screw section and a support or such as pneumatic tool instrument link to each other.Cylindrical portions may 30 is provided with an inside 31 that roughly is hemisphere, wherein is inserted with the part in the outer bulb 38 of pin member 22.Spherical inner 31 open end 31a has a bigger diameter.Cylindrical portions may 30 also has a hole 30c, wherein is inserted with the cylindrical portions may 25 of intermediate tubular member 21.
One anti-movement means is arranged between the hole 30c of cylindrical portions may 25 and cylindrical portions may 30.
Anti-movement means comprises a ball bearing 35a, and this ball bearing is by constituting such as a plurality of metal ball body 35.It is the circular groove 25b of semicircle that all spheroids are inserted a cross section that is formed on the cylindrical portions may 25, and inserting a cross section is the circular groove 30a of semicircle, this circular groove 30a is arranged in the cylindrical portions may 30 of shroud member 23, and 25b overlaps with circular groove, so that after cylindrical portions may 25 is inserted into hole 30c, form the circular groove of a cross section for circle by a tapped hole 30b who is arranged in the cylindrical portions may 30.
After all spheroids are inserted into circular groove, a screw is screwed into tapped hole 30b, shift out circular groove 25b and 30a to prevent all spheroids.
One sealing component is arranged between the cylindrical portions may 30 of the cylindrical portions may 25 and second tubular member 23.
Seal arrangement comprises that an O shape of being made by rubber encircles 34, and this O shape ring is inserted into a circular groove 25a who is formed on the cylindrical portions may 25.O shape ring 34 contacts with the inwall of hole 30c under pressure.
Adopt above structure, second tubular member (shroud member) 23 can be with respect to 21 rotations of intermediate tubular member.
Because the cylindrical portions may 25 of intermediate tubular member 21 is mainly by ball bearing 35a supporting, therefore preferably between bulb 28 and the endosphere inside 31 a small gap is set outside along axis G8.
In above-mentioned universal joint, sleeve part 29 is screwed into screw thread and is fixed in member such as support, and pin member 26 is fixed in members such as support by the plug portion 26 that inserts wherein.At this moment, because pin member 22 and intermediate tubular member 21 carry out universal movement, if the motion of the front end edge desired orientation of plug portion 26 then can guide pin member 22 easily with respect to intermediate tubular member and shroud member 21 and 23.
In initial position shown in Figure 1, the axis G7 of pin member 22 overlaps with the axis G8 of shroud member 23, and the obliquely-angled θ of axis G7 of the axis G2 in the outer bulb 28 of pin member 22 and pin member 22, shown in Fig. 1 and 2 (b), this angle is an angle of depression.
Thus, when axis G2 and G8 overlapped, the axis G7 of pin member 22 became the angled θ of axis G8 (seeing Fig. 3 (a)) with shroud member 23.In addition, axis G2 becomes an elevation angle with axis G8, and the axis G7 of pin member 22 becomes with angled 2 θ of the axis G8 of shroud member 23 (seeing Fig. 3 (b)).
By this way, because the axis G α in interior bulb 27 and the horizontal angled θ of axis G7 of pin member 22, therefore can expand the range of movement of pin member 22, promptly crooked and rotation, and in the scope that is 2 θ to the maximum, make pin member 22 with respect to intermediate tubular member 21 universal movements.
Because the cylindrical portions may 25 of intermediate tubular member 21 rotatably is inserted in the hole in the cylindrical portions may 30, so shroud member 23 can be with respect to 21 rotations of intermediate tubular member.At this moment, the axis G8 of shroud member 23 overlaps with the axis G9 that revolves of intermediate tubular member 21 all the time, so that when support links to each other with shroud member, easily members such as support is not linked to each other with sleeve component 23 under the situation of off-axis G8 in the direction of power.
Should be understood that, when members such as support link to each other with pin member 22, leave sleeve component 23 by a motion pin member and just can be easy to support is linked to each other with pin member 22.Therefore, the invention provides consistent universal joint with excellent operability.
See also Fig. 4, the figure shows one second embodiment of universal joint of the present invention.
In Fig. 4, label 100 is represented universal joint.Universal joint comprises the intermediate tubular member 101 that a pin member 102 as first tubular member, a shroud member 103 and as second tubular member are used for attachment plug and shroud member 102 and 103.
Should be noted in the discussion above that a cover cap 104 is arranged between plug and shroud member 102 and 103.
Intermediate tubular member 101, pin member, shroud member 103 and cover cap are hollow, and by making such as metal, aluminium and stainless steel etc.They can be made by the synthetic resin with hardness (characteristic that promptly keeps shape), rubber etc.
Intermediate tubular member 101 has bulb 105a and 105b outside first and second respectively in opposite two ends.
Member (not shown)s such as one support also link to each other with the sleeve part 111 of sleeve component 103.
The first outer bulb 105a universal movement of ball bearing 116a supporting intermediate tubular member 101, and be used to prevent that the first outer bulb 105a from shifting out bulb 106 in first.
Similarly, a ball bearing 118a is arranged between the second outer bulb 105b and the second interior bulb 109.
All spheroids 116 are inserted circular groove 106b by a tapped hole 106d who is formed in first bulb 107, then, a screw (not shown) is screwed among the tapped hole 106d, shift out circular groove 106b to prevent all spheroids.
The open end 109a in the open end 106a in bulb 106 and the second interior bulb 109 has the cone that is used for expanding outwardly in first.
One circular groove 106c is set near circular groove 106b, wherein accommodate one first sealing component 115, so that under pressure with first outside bulb 105a contact, and a circular groove 109c is set near circular groove 109b, wherein accommodate one second sealing component, so as under pressure with second outside bulb 105b contact.
First and second sealing components 115 and 117 are made by synthetic resin.
In the embodiment shown in fig. 4, sealing component 115 and 117 is made of Y shape sealing material.
Adopt above structure, pin member 102 and shroud member 103 can be respectively with respect to intermediate tubular member 101 universal movements.
Therefore, in a second embodiment, because the universal contact cover cap in first and second bulbs, so pin member 102 is with respect to cover cap 114 universal movements, and shroud member 103 is with respect to cover cap 114 universal movements.The central part 114 of cover cap is provided with a ring-shaped step 104a, and as shown in Figure 4, this ring-shaped step is by depression slightly.Form ring-shaped step and can prevent that user's both hands from the weight saving of slip and realization cover cap taking place when the user's handling cover cap.
In universal joint 100 according to the foregoing structure, at first by the sleeve part being screwed in the support so that members such as support link to each other with sleeve part 111, and by plug portion 108 being screwed in the members such as support so that members such as support link to each other with pin member 102.Shroud member or pin member can be inserted in the members such as socket that link to each other with members such as supports.
From the above mentioned, an angle that can universal change be formed by the axis G2 of the axis G1 of pin member 102 and shroud member 103 is so that obtain good operability when members such as support link to each other with plug or shroud member.
At this moment, when the axis G1 of pin member 102 favours the axis of intermediate tubular member 101, as mentioned above, because pin member can be with respect to cover cap 104 universal movements, even cover cap 104 not servo-actuateds are in pin member 102, also can change reposefully by the axis G1 of plug and shroud member 102 and 103 and the angle that G2 forms, twist to prevent members such as support, shown in Fig. 5 (a) along any direction.
Shown in Fig. 5 (b), when the axis G2 of shroud member 103 favours the axis of intermediate tubular member 101, as mentioned above, because pin member can be with respect to cover cap 104 universal movements, even cover cap 104 not servo-actuateds are in shroud member 103, also can change reposefully by the axis G1 of plug and shroud member 102 and 103 and the angle that G2 forms, twist to prevent members such as support along any direction.
In addition, can carry out the compound movement of universal joint, and therefore carry out the extensive use of the universal joint shown in Fig. 5 (a) and 5 (b).Should be noted in the discussion above that cover cap 104 can not be out of shape under the effect of the power that is applied by the external world, therefore by can make members such as support contact and move apart pin member 108 easily with hand gripping cover cap.In addition, when the user's handling cover cap, can grip cover cap easily owing to ring-shaped step 104a.
Cover cap can be made by synthetic resin, metal and other any material.
See also Fig. 6, the figure shows one the 3rd embodiment of universal joint of the present invention.Universal joint 130 comprises that intermediate tubular member 131 and that a pin member 132 as first tubular member, a shroud member 133, as second tubular member are used for attachment plug and shroud member 132 and 133 is arranged on the cover cap 134 between plug and sleeve component 132 and 133.
Intermediate tubular member 131 is formed with an outer bulb 135 at one end, and is formed with a cylindrical portions may 136 at the other end place.
One end 132a of pin member 132 is provided with bulb 138 in, wherein is inserted with outer bulb 135 so that universal movement.One end also is provided with an outer bulb 139 concentric with interior bulb 138.The obliquely-angled θ of axis G3 of the axis G α in interior bulb 138 and pin member 132.The one open end 138a in interior bulb 138 has the cone of bulb on one day outside expansion.One end 133a of shroud member 133 is provided with an inner cylinder part 140, wherein rotatably is inserted with cylindrical portions may 136.The end 133a of shroud member 133 also is provided with an outer cylinder part 141 concentric with inner cylinder part 140.
One end of the interior perimeter surface of cover cap 134 forms a sphere 142, and the other end of cover cap is provided with a cylindrical portions may 143, rotatably is inserted with an end 133a of shroud member 133 in this cylindrical portions may.
But pin member 132 and intermediate tubular member 131 by ball bearing 145 universal movements link together, to prevent that ectosphere portion 135 from shifting out interior bulb 138, and shroud member 133 and intermediate tubular member 131 rotatably link together by ball bearing 146, shift out inner cylinder part 140 to prevent cylindrical portions may 136.
In above-mentioned universal joint, pin member 132 can be with respect to intermediate tubular member 131 and cover cap 134 universal movements, and shroud member 133 can rotatably move with respect to cover cap 134 and intermediate tubular member 131.Adopt this kind structure, can prevent that the support that links to each other with pin member 132 or shroud member 133 from twisting, so that good operability to be provided.
In above-mentioned the 3rd embodiment, because pin member with respect to cover cap and intermediate tubular member universal movement, therefore can freely change the axis G3 of plug and sleeve 132 and 133 and the angle between the G4 under the situation that does not make cover cap 134 distortion.
According to the present invention, when members such as plug or shroud member and support linked to each other, the axial direction of plug and shroud member was stable, therefore plug was contacted securely with shroud member and broke away from member such as support.According to the present invention, can also provide a kind of and have the cover cap of growing working life and have excellent operability and the universal joint of usability.
Although as the top embodiments of the invention that illustrated, should be noted in the discussion above that under the situation that does not deviate from scope of the present invention and can make some variations and modification above embodiment.
Claims (6)
1. universal joint, it comprises:
One first tubular member;
One second tubular member;
One intermediate tubular member, this intermediate tubular member is used for connecting movingly described first and second tubular members; And
One cover cap, this cover cap are arranged between described first and second tubular members to cover space therebetween, wherein,
Described cover cap contacts each in described first and second tubular members movingly,
Described first tubular member has bulb in one first at one end, described second tubular member has bulb in one second at one end, described intermediate tubular member has the first outer bulb in bulb in the insertion described first at one end, and the other end place have one insert bulb in described second second outside the bulb
One is used for universal first ball bearing that moves described first tubular member is arranged between the described first outer bulb and the described first interior bulb, one is used for universal second ball bearing that moves described second tubular member is arranged between the described second outer bulb and the described second interior bulb, and
Described first ball bearing is configured to prevent that the described first outer bulb breaks away from bulb in described first, and described second ball bearing is configured to prevent that the described second outer bulb breaks away from bulb in described second.
2. universal joint as claimed in claim 1 is characterized in that, described cover cap links to each other with described second tubular member with described first tubular member movable and universally.
3. universal joint as claimed in claim 2, it is characterized in that, described cover cap has one first inner ball surface at one end, and has one second inner ball surface at the other end place, described first tubular member has one first bulb at one end, and described second tubular member has one second bulb at one end, described first inner ball surface of cover cap links to each other with described first bulb of described first tubular member movable and universally, and described second inner ball surface of cover cap links to each other with described second bulb of described second tubular member movable and universally.
4. universal joint as claimed in claim 1, it is characterized in that, one end of described cover cap links to each other with described first tubular member, so that with respect to the described first tubular member universal movement, and the other end of described cover cap links to each other with described second tubular member, so that with respect to described second tubular member rotation.
5. universal joint as claimed in claim 1 is characterized in that, even described cover cap also can keep its shape when described first and second tubular members move.
6. universal joint as claimed in claim 1 is characterized in that described cover cap is made by hardened material.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP200242618 | 2002-02-20 | ||
| JP2002042618A JP3986845B2 (en) | 2002-02-20 | 2002-02-20 | Pipe universal joint |
| JP2002132380 | 2002-05-08 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB031060668A Division CN1252408C (en) | 2002-02-20 | 2003-02-20 | Universal joint |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1811255A CN1811255A (en) | 2006-08-02 |
| CN100385166C true CN100385166C (en) | 2008-04-30 |
Family
ID=27782649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100037232A Expired - Fee Related CN100385166C (en) | 2002-02-20 | 2003-02-20 | Universal joint |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP3986845B2 (en) |
| CN (1) | CN100385166C (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2488030C1 (en) * | 2012-02-03 | 2013-07-20 | Открытое акционерное общество "Промприбор" | Pipeline hinged joint |
| DE102013111364A1 (en) * | 2013-10-15 | 2015-04-16 | Reifenhäuser GmbH & Co. KG Maschinenfabrik | Storage device, in particular for storing fibers |
| RU2564557C1 (en) * | 2014-05-05 | 2015-10-10 | Открытое акционерное общество "Промприбор" | Connecting mechanism |
| CN108800134B (en) * | 2018-07-05 | 2024-01-26 | 襄阳宏伟航空器有限责任公司 | Adjustable radial sealing communicating pipe assembly for hot air balloon double-firing burner |
| CN114248198A (en) * | 2021-11-29 | 2022-03-29 | 广东鸿凯智能科技有限公司 | Connecting piece for grinding machine |
| CN114215950A (en) * | 2021-12-28 | 2022-03-22 | 厦门水蜻蜓卫浴科技有限公司 | Water outlet device |
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| GB287594A (en) * | 1926-11-15 | 1928-03-15 | Reginald William Spencer | Improvements in, or relating to, pipe joints |
| US1884944A (en) * | 1929-09-11 | 1932-10-25 | Harold H Meredith | Flexible joint |
| GB484838A (en) * | 1937-02-12 | 1938-05-11 | Tubes Ltd | Improvements relating to ball and socket pipe couplings |
| GB846905A (en) * | 1956-11-15 | 1960-08-31 | Strachan & Henshaw Ltd | Improvements in or relating to fluid flow couplings |
| US4704043A (en) * | 1986-04-29 | 1987-11-03 | Southwest Products Co. | Means and techniques useful in push-pull controls |
| CN2420485Y (en) * | 2000-04-30 | 2001-02-21 | 张安湄 | Universal air-inlet joint for pneumatic tool |
| CN2426059Y (en) * | 2000-04-07 | 2001-04-04 | 章其东 | Universal adjustable joint piece |
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2002
- 2002-02-20 JP JP2002042618A patent/JP3986845B2/en not_active Expired - Lifetime
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2003
- 2003-02-20 CN CNB2006100037232A patent/CN100385166C/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE56622C (en) * | P. HEbert in Paris, 6 bis rue du 4t Septembre | Articulated pipe connection with spherical seat and spring pressure | ||
| GB287594A (en) * | 1926-11-15 | 1928-03-15 | Reginald William Spencer | Improvements in, or relating to, pipe joints |
| US1884944A (en) * | 1929-09-11 | 1932-10-25 | Harold H Meredith | Flexible joint |
| GB484838A (en) * | 1937-02-12 | 1938-05-11 | Tubes Ltd | Improvements relating to ball and socket pipe couplings |
| GB846905A (en) * | 1956-11-15 | 1960-08-31 | Strachan & Henshaw Ltd | Improvements in or relating to fluid flow couplings |
| US4704043A (en) * | 1986-04-29 | 1987-11-03 | Southwest Products Co. | Means and techniques useful in push-pull controls |
| CN2426059Y (en) * | 2000-04-07 | 2001-04-04 | 章其东 | Universal adjustable joint piece |
| CN2420485Y (en) * | 2000-04-30 | 2001-02-21 | 张安湄 | Universal air-inlet joint for pneumatic tool |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3986845B2 (en) | 2007-10-03 |
| CN1811255A (en) | 2006-08-02 |
| JP2003240174A (en) | 2003-08-27 |
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