CN202266772U - Split multi-spring large-drift-diameter rotary joint - Google Patents
Split multi-spring large-drift-diameter rotary joint Download PDFInfo
- Publication number
- CN202266772U CN202266772U CN2011203103711U CN201120310371U CN202266772U CN 202266772 U CN202266772 U CN 202266772U CN 2011203103711 U CN2011203103711 U CN 2011203103711U CN 201120310371 U CN201120310371 U CN 201120310371U CN 202266772 U CN202266772 U CN 202266772U
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- China
- Prior art keywords
- tail
- outer tube
- hood
- ring
- swivel joint
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Abstract
The utility model relates to a split multi-spring large-drift-diameter rotary joint. A tail cap with a liquid channel and a hollow end cap are fixedly connected to two ends of a hollow casing respectively, an outer tube is rotatably connected into the casing, the outer end of the outer tube extends out of the casing and the end cap, and a sealing device and a sealing compensation mechanism are arranged between the inner end of the outer tube and the tail cap. The sealing device comprises a static ring and a moving ring, the moving ring is fixed to the inner end of the outer tube, the static ring is arranged in a sliding sleeve by means of sliding fit, the sliding sleeve is fixed into the tail cap, one end of the static ring is connected with the moving ring by means of dynamic seal, and the sealing compensation mechanism is mounted between the static ring and the tail cap. A static ring seat in the prior art is omitted, the static ring and the moving ring are made of nonmetal wear-resistant materials, the number of parts is decreased, cost is reduced, and assembly technique is simplified.
Description
Technical field
The utility model belongs to the mechanical sealing technology field, relates to being used for flowing medium and being input to the dynamic seal apparatus of rotating equipment, the big latus rectum swivel joint of specifically a kind of split type many springs 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.
Split type many spring structures swivel joint adopts the split fabricated construction, easy processing, and assembling and easy to maintenance, sealing are steadily.The day for announcing is on June 9th, 2010, and notification number is CN101403456B, and denomination of invention just discloses a kind of split type many spring structures swivel joint for the Chinese invention patent of " high pressure, high-rotation speed rotary connector ".This patent adopts the balanced type plane sealing; By stationary seat, be fixed on the first wear-resistant seal ring on the stationary seat, rotation outer tube, the second wear-resistant seal ring that is fixed on rotation outer tube end forms; Stationary seat and rotation outer tube are processed by metallic material; The first wear-resistant seal ring and the second wear-resistant seal ring are processed by alloy material, and the first wear-resistant seal ring and the second wear-resistant seal ring adopt the mode of glue or soldering to fix.The sealing means of this structure, number of spare parts is many, and assembly technology is complicated, and cost is high.
Summary of the invention
The utility model provides a kind of split type many springs big latus rectum swivel joint to the deficiency of above-mentioned existing technology, and the sealing means part of this swivel joint is few, and assembling is simple, and cost is low.
The technological scheme that provides according to the utility model: the big latus rectum swivel joint of a kind of split type many springs; Be fixedly connected with the tail-hood that has fluid passage and the end cap of hollow respectively at the two ends of hollow housing; Rotatably be connected with outer tube in the said housing; Stretch out from said housing and said end cap the outer end of said outer tube, is provided with seal arrangement and sealing compensation mechanism between the inner of said outer tube and the said tail-hood; Said seal arrangement comprises stationary ring and rotating ring; Said rotating ring is fixed on the inner of said outer tube; Said stationary ring is slidingly fitted in the flip sleeve; Said flip sleeve is fixed in the said tail-hood, and motive sealing is connected between an end of said stationary ring and the said rotating ring, and said sealing compensation mechanism is installed between said stationary ring and the said tail-hood.
Said stationary ring and said rotating ring are processed by nonmetallic wear-resistant material.
Be provided with O type circle between said stationary ring and the said flip sleeve.
Be provided with O type circle between said flip sleeve and the said tail-hood.
Said sealing compensation mechanism comprises a plurality of springs; One end of said a plurality of springs is installed in the counterbore of said tail-hood end face; Its other end is resisted against on the bulge loop end face that is provided with on the said stationary ring excircle, between said bulge loop and the said tail-hood elastic cylindrical pin is installed.
Have uropore and side opening on the said tail-hood, be connected with elbow on the said uropore, be connected with plug screw in the said side opening.
The outer end of said outer tube is processed with screw thread.
The outer end of said outer tube is equipped with the quick change flange through the half point ring.
Compared with present technology the utility model has the following advantages: the utility model has been cancelled stationary seat of the prior art, and stationary ring and rotating ring are adopted nonmetallic wear-resistant material, has reduced the quantity of part, has reduced cost, has simplified assembly technology.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Embodiment
Embodiment below in conjunction with in the accompanying drawing is further described the utility model.
Among Fig. 1, comprise elbow 1, tail-hood 2, O type circle 3, flip sleeve 4, O type circle 5, screw 6, spring 7, elastic cylindrical pin 8, sunk screw 9, stationary ring 10, rotating ring 11, housing 12, O type circle 13, lubricating cup 14, spacer 15, bearing 16, shaft block ring 17, end cap 18, screw 19, outer tube 20, quick change flange 21, half point ring 22, red copper pad 23, plug screw 24 etc.
As shown in Figure 1, the utility model is the big latus rectum swivel joints of a kind of split type many springs, is fixedly connected with the tail-hood 2 that has fluid passage at an end of hollow housing 12 through screw 6, and its other end is fixedly connected with the end cap 18 of hollow through screw 19.Rotatably be connected with outer tube 20 through two bearings 16 in the housing 12, stretch out from housing 12 and end cap 18 outer end of outer tube 20.Two bearings 16 are fixed between the shaft shoulder and end cap 18 of housing 12 interior steps and outer tube 20.Between two bearings 16 spacer 15 is housed, wherein outer bearing 16 is locked in outside the outer tube 20 by shaft block ring 17, in the crack groove that the interior step of the end face of inner bearing 16 and housing 12 forms O type circle 13 is installed.On the housing 12 between the inside and outside bearing 16, be drilled with screw, and lubricating cup 14 is housed.
Be provided with seal arrangement and sealing compensation mechanism between the inner of outer tube 20 and the tail-hood 2.
Seal arrangement comprises stationary ring 10 and rotating ring 11, and stationary ring 10 and rotating ring 11 are by nonmetallic wear-resistant material, and for example silicon carbide is processed.Rotating ring 11 is fixed in the concave station rank of outer tube 20 interior edge faces.Stationary ring 10 is slidingly fitted in the flip sleeve 4, and flip sleeve 4 is fixed in the counterbore of tail-hood 2 big ends through sunk screw 9.Be provided with O type circle 5 between stationary ring 10 and the flip sleeve 4, be provided with O type circle 3 between flip sleeve 4 and the tail-hood 2.O type circle 5 is installed in the groove of stationary ring 10 peripheries, and O type circle 3 is installed in the groove of tail-hood 2 counterbores.Stationary ring 10 is connected near motive sealing between an end of rotating ring 11 and the rotating ring 11, between stationary ring 10 and the tail-hood 2 sealing compensation mechanism is installed.
Sealing compensation mechanism comprises a plurality of springs 7, and an end of a plurality of springs 7 is installed in the little counterbore of tail-hood 2 end faces, and its other end is resisted against on the bulge loop end face that is provided with on stationary ring 10 excircles.Between bulge loop and the tail-hood 2 elastic cylindrical pin 8 is installed, its concrete structure is: have the notch of symmetry on the bulge loop, stationary ring 10 is stuck on the elastic cylindrical pin 8 of symmetrical position on tail-hood 2 large end faces through above-mentioned notch.
Have uropore and side opening on the tail-hood 2, be connected with elbow 1 on the uropore, be connected with plug screw 24 in the side opening.。
There are two kinds of Placements the outer end of outer tube 20.A kind of is thread connecting mode, is processed with screw thread in the outer end of outer tube 20; Another kind is a flange connection, shown in present embodiment, through half point ring 22 quick change flange 21 is installed in the outer end of outer tube 20, is provided with red copper pad 23 in the exterior edge face of outer tube 20.
The utility model has been cancelled stationary seat of the prior art, and stationary ring 10 and rotating ring 11 are adopted nonmetallic wear-resistant material, has reduced the quantity of part, has reduced cost, has simplified assembly technology.Housing in the utility model is the split fabricated construction, is easy to standardization, seriation, generalization; Housing be split type after, easy processing, precision improve, assembling only need be changed easily damaged parts with easy to maintenance during maintenance, need not integral body and changes, and need pull down the stationary ring of tail-hood with regard to replaceable rapid wear, has reduced maintenance and user cost.
Claims (8)
1. big latus rectum swivel joint of split type many springs; Be fixedly connected with the tail-hood (2) that has fluid passage and the end cap (18) of hollow respectively at the two ends of hollow housing (12); Rotatably be connected with outer tube (20) in the said housing (12); Stretch out from said housing (12) and said end cap (18) outer end of said outer tube (20); Be provided with seal arrangement and sealing compensation mechanism between the inner of said outer tube (20) and the said tail-hood (2), it is characterized in that: said seal arrangement comprises stationary ring (10) and rotating ring (11), and said rotating ring (11) is fixed on the inner of said outer tube (20); Said stationary ring (10) is slidingly fitted in the flip sleeve (4); Said flip sleeve (4) is fixed in the said tail-hood (2), and motive sealing is connected between an end of said stationary ring (10) and the said rotating ring (11), and said sealing compensation mechanism is installed between said stationary ring (10) and the said tail-hood (2).
2. according to the big latus rectum swivel joint of the described split type many springs of claim 1, it is characterized in that: said stationary ring (10) and said rotating ring (11) are processed by nonmetallic wear-resistant material.
3. according to the big latus rectum swivel joint of the described split type many springs of claim 1, it is characterized in that: be provided with O type circle (5) between said stationary ring (10) and the said flip sleeve (4).
4. according to the big latus rectum swivel joint of the described split type many springs of claim 1, it is characterized in that: be provided with O type circle (3) between said flip sleeve (4) and the said tail-hood (2).
5. according to the big latus rectum swivel joint of the described split type many springs of claim 1; It is characterized in that: said sealing compensation mechanism comprises a plurality of springs (7); One end of said a plurality of spring (7) is installed in the counterbore of said tail-hood (2) end face; Its other end is resisted against on the bulge loop end face that is provided with on said stationary ring (10) excircle, between said bulge loop and the said tail-hood (2) elastic cylindrical pin (8) is installed.
6. according to the big latus rectum swivel joint of the described split type many springs of claim 1, it is characterized in that: said tail-hood has uropore and side opening on (2), is connected with elbow (1) on the said uropore, is connected with plug screw (24) in the said side opening.
7. according to the big latus rectum swivel joint of the described split type many springs of claim 1, it is characterized in that: the outer end of said outer tube (20) is processed with screw thread.
8. according to the big latus rectum swivel joint of the described split type many springs of claim 1, it is characterized in that: the outer end of said outer tube (20) is equipped with quick change flange (21) through half point ring (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203103711U CN202266772U (en) | 2011-08-25 | 2011-08-25 | Split multi-spring large-drift-diameter rotary joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203103711U CN202266772U (en) | 2011-08-25 | 2011-08-25 | Split multi-spring large-drift-diameter rotary joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202266772U true CN202266772U (en) | 2012-06-06 |
Family
ID=46157569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203103711U Expired - Lifetime CN202266772U (en) | 2011-08-25 | 2011-08-25 | Split multi-spring large-drift-diameter rotary joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202266772U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102305324A (en) * | 2011-08-25 | 2012-01-04 | 江苏腾旋科技股份有限公司 | Split multi-spring large drift diameter rotary joint |
| CN103629461A (en) * | 2012-08-30 | 2014-03-12 | 江苏卡威专用汽车制造有限公司 | Rotary type water absorption tube joint body for fire fighting truck |
| CN105782450A (en) * | 2016-04-28 | 2016-07-20 | 湖南创远高新机械有限责任公司 | Water sealing structure of raise boring machine |
| CN105953000A (en) * | 2016-07-19 | 2016-09-21 | 滕州市天旋旋转接头制造有限公司 | Medium-pressure high-speed rotating connector |
| CN107166119A (en) * | 2017-05-18 | 2017-09-15 | 芜湖映日科技有限公司 | The swivel joint of spraying rotary target material |
| CN107218458A (en) * | 2017-06-01 | 2017-09-29 | 武汉船用机械有限责任公司 | A kind of swivel joint |
| CN110155348A (en) * | 2019-05-29 | 2019-08-23 | 河南航天液压气动技术有限公司 | A kind of charging valve external member |
-
2011
- 2011-08-25 CN CN2011203103711U patent/CN202266772U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102305324A (en) * | 2011-08-25 | 2012-01-04 | 江苏腾旋科技股份有限公司 | Split multi-spring large drift diameter rotary joint |
| CN103629461A (en) * | 2012-08-30 | 2014-03-12 | 江苏卡威专用汽车制造有限公司 | Rotary type water absorption tube joint body for fire fighting truck |
| CN105782450A (en) * | 2016-04-28 | 2016-07-20 | 湖南创远高新机械有限责任公司 | Water sealing structure of raise boring machine |
| CN105953000A (en) * | 2016-07-19 | 2016-09-21 | 滕州市天旋旋转接头制造有限公司 | Medium-pressure high-speed rotating connector |
| CN105953000B (en) * | 2016-07-19 | 2018-07-31 | 滕州市天旋旋转接头制造有限公司 | Middle pressure high-speed joint |
| CN107166119A (en) * | 2017-05-18 | 2017-09-15 | 芜湖映日科技有限公司 | The swivel joint of spraying rotary target material |
| CN107218458A (en) * | 2017-06-01 | 2017-09-29 | 武汉船用机械有限责任公司 | A kind of swivel joint |
| CN107218458B (en) * | 2017-06-01 | 2019-07-23 | 武汉船用机械有限责任公司 | A kind of rotary joint |
| CN110155348A (en) * | 2019-05-29 | 2019-08-23 | 河南航天液压气动技术有限公司 | A kind of charging valve external member |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120606 |