CN102313096A - Reverse spherical surface type rotary joint - Google Patents
Reverse spherical surface type rotary joint Download PDFInfo
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- CN102313096A CN102313096A CN201110244384A CN201110244384A CN102313096A CN 102313096 A CN102313096 A CN 102313096A CN 201110244384 A CN201110244384 A CN 201110244384A CN 201110244384 A CN201110244384 A CN 201110244384A CN 102313096 A CN102313096 A CN 102313096A
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- ring
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- spherical surface
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Abstract
The invention relates to a reverse spherical surface type rotary joint. A tail cover and an end cover are respectively and fixedly connected with both ends of a hollow casing, an outer pipe is rotatablely connected into hollow holes of the end cover and the casing, a medium inlet is arranged on the circumference surface of the outer pipe, a sealing device is arranged between the outer pipe and the casing, the sealing device comprises a spherical surface sealing reverse spherical surface ring and a spherical end cover, the sealing surface of the reverse spherical surface ring is a convex spherical surface, the sealing surface of the spherical end cover is a concave spherical surface, the reverse spherical surface is sheathed outside the outer pipe and is butted on the convex ring side on the outer pipe, and the spherical end cover is sheathed outside the outer pipe and is fixed between the casing and the end cover. The reverse spherical surface type rotary joint has the advantages that an outer spherical surface arranged on the outer pipe in the prior art is omitted, the outer pipe is convenient to process, and the cost can be reduced, the sealing ring is changed into the reverse spherical surface ring with the convex spherical surface sealing surface from the sealing ring with the concave spherical surface sealing surface, the sealing pressure bearing capability and the service life of the spherical surface are respectively and exponentially enhanced and prolonged, and the sealing ring breaking and cracking phenomenon is avoided.
Description
Technical field
The invention belongs to the mechanical sealing technology field, relate to and be used for flowing medium and be input to the dynamic seal apparatus of rotating equipment, specifically a kind of anti-spherical swivel joint from static pipeline.
Background technique
Swivel joint is that flowing medium (liquid, oil, gas etc.) is input to the dynamic seal apparatus the rotating equipment from static pipeline; Be to solve run, drip, leak; Energy saving, the protection environment, requisite mechanical seal basis critical component improves working conditions.
Swivel joint is divided into plane sealing face and ball face sealing face according to the structural type of sealing surface.Existing ball face sealing face structure is on the outer spherical surface that is provided with on the outer tube, to be with seal ring; As the day for announcing be on June 8th, 2011; Notification number is CN101619788B, and denomination of invention just discloses a kind of swivel joint of ball face sealing face structure for the Chinese invention patent of " swivel joint that has temperature difference zone structure ".The sealing surface of seal ring is a concave spherical surface in this patent, and the sealing load that can bear is little, and seal wears is later or receive larger axis easy cracked after power, causes often breaking down, and it is not high also to exist rotating speed to carry simultaneously, the deficiency that working life is short; To the swivel joint of big latus rectum, this defective is particularly outstanding; And outer tube is provided with outer spherical surface, and processing cost is high.
Summary of the invention
The present invention is directed to the deficiency of above-mentioned existing technology, a kind of anti-spherical swivel joint is provided, the seal ring of this swivel joint can bear bigger pressure, long service life.
According to technological scheme provided by the invention: a kind of anti-spherical swivel joint; End in hollow housing is fixedly connected with the tail-hood that has fluid passage; The other end of said housing is fixedly connected with the end cap of hollow, rotatably is connected with outer tube in the hollow hole of said housing and said end cap, and stretch out from said end cap the outer end of said outer tube; Have the medium import on the circumferential surface of said outer tube, be provided with seal arrangement between said outer tube and the said housing; Said seal arrangement comprises the anti-sphere ring and the spherical end cap of ball face sealing; The sealing surface of said anti-sphere ring is protruding sphere; The sealing surface of said spherical end cap is a concave spherical surface; Said anti-sphere ring set is contained in outside the said outer tube and is resisted against a side of the bulge loop on the said outer tube, and said spherical end cap is sleeved on outside the said outer tube and is fixed between said housing and the said end cap.
The medium import of said outer tube is opened on said bulge loop.
Between said end cap and the said outer tube guide ring is installed, said guide ring passes through the spline spacers on said end cap.
Between said housing and the said outer tube cylinder ring is installed, said cylinder ring is fixed on the said housing through straight pin.
Between the interior step of said cylinder ring and said housing spring is installed.
Said tail-hood internal fixation has interior pipe, and said interior pipe is applied in the said outer tube.
Pipe ends loose device in being provided with between pipe and the said tail-hood in said, and said interior pipe ends loose device and comprises and the half point ring of said tail-hood cone match that said half point ring is pressed abd fixed on the said tail-hood by pressure ring.
The outer end of said outer tube is equipped with flange through flange half point ring.
The outer end of said outer tube is processed with outside thread.
Compared with present technology the present invention has the following advantages: the present invention has cancelled the outer spherical surface that is provided with on the outer tube, and outer tube is easy to process, can reduce cost; Seal ring changes the anti-sphere ring that has protruding ball face sealing face into by the seal ring that has the concave spherical surface sealing surface, has been multiplied ability and working life that sphere bears sealing load, has prevented the phenomenon that seal ring is cracked.
Description of drawings
Fig. 1 is first kind of embodiment's of the present invention a structural representation.
Fig. 2 is second kind of embodiment's of the present invention a structural representation.
Embodiment
Embodiment below in conjunction with in the accompanying drawing is further described the present invention.
Among Fig. 1, Fig. 2, comprise tail-hood 1, hex head bolt 2, spring washer 3, half point ring 4, pressure ring 5, big sealing gasket 6, hexagon socket head cap screw 7, spring 8, cylinder ring 9, straight pin 10, housing 11, outer tube 12, anti-sphere ring 13, little sealing gasket 14, spherical end cap 15, end cap 16, guide ring 17, spring washer 18, pan head screw 19, spline pad 20, flange 21, flange half point ring 22, red copper pad 23, interior pipe 24, outside thread 25 etc.
Like Fig. 1, shown in Figure 2, the present invention is a kind of anti-spherical swivel joint, is fixedly connected with the tail-hood 1 that has fluid passage at an end of hollow housing 11 through hex head bolt 2 and spring washer 3, between tail-hood 1 and housing 11, is lined with big sealing gasket 6; The other end of housing 11 is fixedly connected with the end cap 16 of hollow through hex head bolt 2 and spring washer 3, is lined with little sealing gasket 14 between end cap 16 and the housing 11.
Rotatably be connected with outer tube 12 in the hollow hole of housing 11 and end cap 16, stretch out from end cap 16 outer end of outer tube 12.Between end cap 16 and the outer tube 12 guide ring 17 is installed, guide ring 17 is fixed on the end cap 16 through spline pad 20.Between housing 11 and the outer tube 12 cylinder ring 9 is installed, cylinder ring 9 is fixed on the housing 11 through straight pin 10.Cylinder ring 9 constitutes the dual-supporting oilless bearing with guide ring 17, has supported outer tube 12, makes its stability of rotation.
Between outer tube 12 and housing 11, be provided with seal arrangement.The sealing device comprises the anti-sphere ring 13 and the spherical end cap 15 of ball face sealing.The sealing surface of anti-sphere ring 13 is protruding sphere; The sealing surface of spherical end cap 15 is a concave spherical surface; Anti-sphere ring 13 is sleeved on outside the outer tube 12 and is resisted against a side of the bulge loop on the outer tube 12, and spherical end cap 15 is sleeved on outside the outer tube 12 and is fixed between housing 11 and the end cap 16.Have the medium import on the circumferential surface of outer tube 12, the medium import of outer tube 12 is opened on above-mentioned bulge loop.
The present invention has compared with prior art cancelled the outer spherical surface that is provided with on the outer tube 12, and outer tube 12 is easy to process, can reduce cost; Seal ring changes the anti-sphere ring 13 that has protruding ball face sealing face into by the seal ring that has the concave spherical surface sealing surface, has been multiplied ability and working life that sphere bears sealing load, has prevented the phenomenon that seal ring is cracked.
Between the interior step of cylinder ring 9 and housing 11, spring 8 is installed.After anti-sphere ring 13 wearing and tearing, through the pressure of spring 8, outer tube 12 is moved axially, thereby make anti-sphere ring 13 compress spherical end cap 15, play the sealing compensation effect.
Pipe ends loose device in being provided with between interior pipe 24 and the tail-hood 1.This interior pipe ends loose device and comprises and the half point ring 4 of tail-hood 1 cone match that half point ring 4 is pressed abd fixed on the tail-hood 1 through hexagon socket head cap screw 7 by pressure ring 5.Pressure ring 5 compresses half point ring 4, and pipe 24 in half point ring 4 is held tightly has stoped interior pipe 24 loose or dislocation from the tail-hood 1.Should end the locking of the loose device employing conical surface by interior pipe, locking reliable.
There are two kinds of Placements the outer end of outer tube 12: first kind of embodiment that a kind of Placement is as shown in Figure 1, and adopt flange to connect, through flange half point ring 22 flange 21 is installed in the outer end of outer tube 12, and the exterior edge face of outer tube 12 is provided with red copper pad 23; Another kind of Placement second kind of embodiment as shown in Figure 2, employing is threaded, and is processed with outside thread 25 in the outer end of outer tube 12.
Assembling process of the present invention is following: like Fig. 1, shown in Figure 2; Spring 8 is loaded on the interior step of housing 11 inner chambers; In the cotter way that straight pin 10 embeds on cylinder ring 9 cylindricals; On the spring 8 in the housing 11 of packing into together behind cylinder ring 9 cover upper exterior tubes 12 afterbodys, half of straight pin 10 will be aimed in the cotter way on the housing 11 again.With anti-sphere ring 13 cover upper exterior tubes 12, be contained in little sealing gasket 14 on the step of spherical end cap 15, cover upper exterior tube 12 is pressed in housing 11 stomidiums, loads onto end cap 16 usefulness hex head bolts 2 and is fastened on the end face of housing 11 with spring washer 3.Be enclosed within guide ring 17 on the outer tube 12 and embed in the end cap 16, spline pad 20 embeds in the spline groove of guide rings 17 end faces, with spring washer 18 and pan head screw 19 spline pad 20 is fixed on the end cap 16.When the present invention was connected with user's rotating shaft flange, cover upper flange 21, flange half point ring 22 and the red copper pad 23 at outer tube 12 water jacket places was as shown in Figure 1 again; If it is when being threaded, then outer tube 12 being replaced with the outer tube that has outside thread 25 and getting final product, as shown in Figure 2 with user's rotating shaft.Interior pipe 24 with in the internal thread that screws into tail-hood 1; The half point ring 4 of packing into, cover upper press ring 5, and be anchored on the interior edge face of tail-hood 1 with hexagon socket head cap screw 7; Thereby make pressure ring 5 compress the end face of half point ring 4 and promote the external diameter of half point ring 4 along pipe 24 in the inner conical surface of the tail-hood 1 reach locking; Prevent loose or dislocation, interior pipe 24 is put in the outer tube 12 with hexagon head bolt 2 and spring washer 3 be fastened to tail-hood 1 on housing 11 tail end faces then, and a big sealing gasket 6 is adorned in requirement on this end face.Side opening internal thread on the housing 11 is connected into and out of the metallic hose of medium with the user respectively with side opening internal thread on the tail-hood 1.
The present invention has the following advantages: 1, housing is the split fabricated construction, is easy to standard serialization, generalization, is easy to adaptation condition and changes; 2, body assembling type shell construction, machining accuracy is high and easy to manufacture, assembles easy to maintenance; 3, many places such as housing top, cylinder ring, guide ring, half point ring are provided with spline structure, and the swivel joint rotating speed is improved, good stability, and fault is few; 4, make former concave spherical surface seal ring into anti-sphere (being protruding sphere) type after, be multiplied ability and working life that sphere bears sealing load, prevented wearing and tearing after or receive larger axis to the power increasing back sealing ring with regard to cracked phenomenon.
Claims (9)
1. anti-spherical swivel joint; End in hollow housing (11) is fixedly connected with the tail-hood (1) that has fluid passage; The other end of said housing (11) is fixedly connected with the end cap (16) of hollow; Rotatably be connected with outer tube (12) in the hollow hole of said housing (11) and said end cap (16); Stretch out from said end cap (16) outer end of said outer tube (12), has the medium import on the circumferential surface of said outer tube (12), is provided with seal arrangement between said outer tube (12) and the said housing (11); It is characterized in that: said seal arrangement comprises the anti-sphere ring (13) and the spherical end cap (15) of ball face sealing; The sealing surface of said anti-sphere ring (13) is protruding sphere; The sealing surface of said spherical end cap (15) is a concave spherical surface; Said anti-sphere ring (13) is sleeved on outside the said outer tube (12) and is resisted against a side of the bulge loop on the said outer tube (12), and said spherical end cap (15) is sleeved on outside the said outer tube (12) and is fixed between said housing (11) and the said end cap (16).
2. according to the described anti-spherical swivel joint of claim 1, it is characterized in that: the medium import of said outer tube (12) is opened on said bulge loop.
3. according to the described anti-spherical swivel joint of claim 1, it is characterized in that: between said end cap (16) and the said outer tube (12) guide ring (17) is installed, said guide ring (17) is fixed on the said end cap (16) through spline pad (20).
4. according to the described anti-spherical swivel joint of claim 1, it is characterized in that: between said housing (11) and the said outer tube (12) cylinder ring (9) is installed, said cylinder ring (9) is fixed on the said housing (11) through straight pin (10).
5. according to the described anti-spherical swivel joint of claim 4, it is characterized in that: between the interior step of said cylinder ring (9) and said housing (11) spring (8) is installed.
6. according to the described anti-spherical swivel joint of claim 1, it is characterized in that: said tail-hood (1) internal fixation has interior pipe (24), and said interior pipe (24) is applied in the said outer tube (12).
7. according to the described anti-spherical swivel joint of claim 6; It is characterized in that: pipe ends loose device in being provided with between pipe (24) and the said tail-hood (1) in said; Said interior pipe ends loose device and comprises and the half point ring (4) of said tail-hood (1) cone match that said half point ring (4) is pressed abd fixed on the said tail-hood (1) by pressure ring (5).
8. according to the described anti-spherical swivel joint of claim 1, it is characterized in that: the outer end of said outer tube (12) is equipped with flange (21) through flange half point ring (22).
9. according to the described anti-spherical swivel joint of claim 1, it is characterized in that: the outer end of said outer tube (12) is processed with outside thread (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110244384A CN102313096A (en) | 2011-08-25 | 2011-08-25 | Reverse spherical surface type rotary joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110244384A CN102313096A (en) | 2011-08-25 | 2011-08-25 | Reverse spherical surface type rotary joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102313096A true CN102313096A (en) | 2012-01-11 |
Family
ID=45426526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110244384A Pending CN102313096A (en) | 2011-08-25 | 2011-08-25 | Reverse spherical surface type rotary joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102313096A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105042073A (en) * | 2015-07-23 | 2015-11-11 | 成都广迈科技有限公司 | Electrical sealing sleeve for connecting device |
| CN105090640A (en) * | 2014-05-10 | 2015-11-25 | 滕州市天旋旋转接头制造有限公司 | Right-angle two-way rotating joint |
| CN106461128A (en) * | 2014-06-06 | 2017-02-22 | V·拉比 | High-pressure rotary seal-plug assembly with expandable continuous ring |
| CN106704742A (en) * | 2017-02-10 | 2017-05-24 | 连云港宏泽机械设备有限公司 | High-performance double-end-face sealing rotating connector |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4635969A (en) * | 1985-05-31 | 1987-01-13 | The Johnson Corporation | Rotary joint with balanced seals |
| US4758026A (en) * | 1987-02-17 | 1988-07-19 | The Johnson Corporation | Rotary joint with balanced seals |
| CN1069330A (en) * | 1991-08-09 | 1993-02-24 | 乔森公司 | Rotary connector with extended life seal |
| CN1773156A (en) * | 2004-09-14 | 2006-05-17 | 杜布林公司 | Rotary union for directing a heat exchange fluid |
| CN101619788A (en) * | 2009-07-31 | 2010-01-06 | 无锡腾旋技术有限公司 | Rotary joint with temperature difference zone structure |
| CN202266767U (en) * | 2011-08-25 | 2012-06-06 | 江苏腾旋科技股份有限公司 | Reversely spherical rotary joint |
-
2011
- 2011-08-25 CN CN201110244384A patent/CN102313096A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4635969A (en) * | 1985-05-31 | 1987-01-13 | The Johnson Corporation | Rotary joint with balanced seals |
| US4758026A (en) * | 1987-02-17 | 1988-07-19 | The Johnson Corporation | Rotary joint with balanced seals |
| CN1069330A (en) * | 1991-08-09 | 1993-02-24 | 乔森公司 | Rotary connector with extended life seal |
| CN1773156A (en) * | 2004-09-14 | 2006-05-17 | 杜布林公司 | Rotary union for directing a heat exchange fluid |
| CN101619788A (en) * | 2009-07-31 | 2010-01-06 | 无锡腾旋技术有限公司 | Rotary joint with temperature difference zone structure |
| CN202266767U (en) * | 2011-08-25 | 2012-06-06 | 江苏腾旋科技股份有限公司 | Reversely spherical rotary joint |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105090640A (en) * | 2014-05-10 | 2015-11-25 | 滕州市天旋旋转接头制造有限公司 | Right-angle two-way rotating joint |
| CN106461128A (en) * | 2014-06-06 | 2017-02-22 | V·拉比 | High-pressure rotary seal-plug assembly with expandable continuous ring |
| CN105042073A (en) * | 2015-07-23 | 2015-11-11 | 成都广迈科技有限公司 | Electrical sealing sleeve for connecting device |
| CN106704742A (en) * | 2017-02-10 | 2017-05-24 | 连云港宏泽机械设备有限公司 | High-performance double-end-face sealing rotating connector |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120111 |