CN209781954U - Novel ultralow-temperature rotary joint - Google Patents
Novel ultralow-temperature rotary joint Download PDFInfo
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- CN209781954U CN209781954U CN201920427625.4U CN201920427625U CN209781954U CN 209781954 U CN209781954 U CN 209781954U CN 201920427625 U CN201920427625 U CN 201920427625U CN 209781954 U CN209781954 U CN 209781954U
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- flange
- static
- rotary joint
- inner ring
- movably connected
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Abstract
the utility model discloses a novel ultralow temperature rotary joint, including the quiet flange, one side surface swing joint of quiet flange has the outer lane, and the inside swing joint of outer lane has the plug screw, the position swing joint that the surface of plug screw is close to the upper end has the plug screw gasket, the position that is close to the edge between quiet flange and the outer lane is provided with dustproof waterproof sealing pad, and one side of quiet flange is close to inside position swing joint and has the inner circle, the inside swing joint of quiet flange has the quiet sealing washer. The utility model discloses a be provided with a series of structures and make this device possess better leakproofness in the use, ensured the rotation flexibility under the ultra-low temperature condition, sealing performance is better, in the time of the very low temperature rotary joint life that has multiplied, has reduced customer's purchasing cost and use cost, has improved customer's operating efficiency, makes the maintenance leak hunting convenient feasible.
Description
Technical Field
The utility model relates to a rotary joint technical field specifically is a novel ultra-low temperature rotary joint.
Background
The field of application of rotary joints covers almost every manufacturing industry, such as: metallurgy, lathe and electricity generation etc. its major structure group becomes the static flange, moves flange, inner circle, outer lane and sealing member, but current rotary joint simple structure, and do not all possess better leakproofness, because of the transmission of temperature is different under the ultra-low temperature condition, can produce different deformation, cause the steel ball wearing and tearing, and then destroy the raceway and seal, sealed most adopts spiral spring skeleton and fragile and cause to reveal, the user's of not being convenient for use.
Disclosure of Invention
An object of the utility model is to provide a novel ultra-low temperature rotary joint to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a novel ultralow temperature rotary joint comprises a static flange, the outer surface of one side of the static flange is movably connected with an outer ring, and the inner part of the outer ring is movably connected with a plug screw, the outer surface of the plug screw is movably connected with a plug screw gasket at the position close to the upper end, a dustproof and waterproof sealing gasket is arranged between the static flange and the outer ring at the position close to the edge, and one side of the static flange is movably connected with an inner ring at a position close to the inside, the inside of the static flange is movably connected with a static sealing ring, a static flange PTFE pad is movably connected between the static flange and the outer ring, a rolling groove is arranged between the inner ring and the outer ring, a steel ball is movably connected inside the rolling groove, the movable flange tetrafluoro gasket is movably connected between the inner ring and the movable flange, a secondary movable sealing gasket is arranged at the position, close to the outer ring, of the outer surface of the upper end of the movable flange, and an active sealing gasket is arranged inside the movable flange.
Through adopting above-mentioned technical scheme, guaranteed the rotation flexibility under the ultra-low temperature condition, sealing performance is better, when the increase ultra-low temperature rotary joint life by times, has reduced customer's purchasing cost and use cost, has improved customer's operating efficiency, makes maintenance leak hunting convenient and feasible.
Preferably, the inner part of the outer ring is movably connected with an inner ring bearing, and the outer surface of one side of the inner ring bearing, which is far away from the static flange, is movably connected with a movable flange.
Through adopting above-mentioned technical scheme, move the flange tetrafluoro pad dress and move between flange and outer lane.
Preferably, the interior of the inner ring bearing is provided with a tetrafluoro pad, and the outer surface of the upper end of the tetrafluoro pad is provided with a V-shaped spring framework.
Through adopting above-mentioned technical scheme, dustproof and waterproof sealed pad, quiet sealing washer, time dynamic seal all adopt V type spring skeleton setting with the sealed pad of initiative to adopt the tetrafluoro material tetrafluoro pad of taking the self-lubricating to wrap up, ensure sealed long-life.
Preferably, a bolt penetrates through the position, close to one side, in the movable flange.
By adopting the technical scheme, the inner ring bearing is arranged on the outer surface of the inner ring, and the second part is formed by connecting the movable flange and the outer ring into a whole through bolts.
Preferably, the static flange is connected with the inner ring through a bolt, and the static sealing ring and the static flange polytetrafluoroethylene pad are arranged between the static flange and the inner ring.
Through adopting above-mentioned technical scheme, can guarantee rotary joint's sealed effect.
Preferably, the first arrangement of the rolling grooves is two in number.
By adopting the technical scheme, the rolling groove on the inner ring bearing and the rolling groove on the outer ring form a rolling path of the steel ball.
Preferably, the screw plug and the screw plug gasket are arranged above the steel ball.
By adopting the technical scheme, the installation port of the steel ball on the outer ring is blocked by the plug screw and the plug screw gasket and is sealed, and the two rolling grooves are filled with ultralow-temperature lubricating grease for lubrication.
Preferably, the second arrangement of the rolling grooves is greater than two.
through adopting above-mentioned technical scheme, another scheme is that more (>2) raceways are arranged between inner race bearing and outer lane, and full of steel balls side by side to make rotary joint can bear bigger axial and radial moment.
To sum up, the utility model discloses following beneficial effect has:
The first part is that a static flange and an inner ring are connected into a whole by bolts, a static sealing ring and a static flange PTFE pad are arranged between the static flange and the inner ring to play a static seal, an inner ring bearing is arranged on the outer surface of the inner ring, the second part is that a movable flange and an outer ring are connected into a whole by bolts, the movable flange PTFE pad is arranged between the movable flange and the outer ring, 2 rolling grooves on the inner ring bearing and 2 rolling grooves on the outer ring form a rolling path of 2 steel balls, a dustproof and waterproof sealing pad, a steel ball, a secondary movable sealing pad and an active sealing pad are arranged between the second part structure and the first part structure, a screw plug and a screw plug gasket block the installation port of the steel ball on the outer ring and seal, the lubrication is that two rolling grooves are filled with ultralow temperature lubricating grease, the lubrication effect under the condition of extremely low temperature is ensured, the long service life of a rotary joint is ensured, the other scheme is that more (>, the ball bearing is full of steel balls side by side, so that the rotary joint can bear larger axial and radial torque, the dustproof and waterproof sealing gasket, the static sealing gasket, the secondary dynamic sealing gasket and the active sealing gasket are all arranged by adopting a V-shaped spring framework and are wrapped by adopting a PTFE (polytetrafluoroethylene) gasket with self-lubrication, the sealing long life is ensured, the design that the inner ring bearing and the outer ring are separated is adopted, the inner ring bearing and the outer ring can be ensured to be made of the same high-strength material, the inner ring bearing and the outer ring have the same low-temperature deformation under the ultralow temperature condition, the precision of a raceway is ensured, the problem that the service life of other products in the market is shortened due to the fact that the raceway is worn because of different deformations of the inner ring and the outer ring at the low temperature is solved, the rotary flexibility under the ultralow temperature condition is ensured, the sealing performance is better, the service life, the operating efficiency of the customer is improved, and the maintenance leak detection is convenient and feasible.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
Fig. 2 is a matching view of the static flange and the outer ring of the present invention;
Fig. 3 is a view of the V-shaped spring frame and the tetrafluoro pad of the present invention.
In the figure: 1. a static flange; 2. a static seal ring; 3. a static flange tetrafluoro pad; 4. a dustproof and waterproof sealing gasket; 5. an inner ring; 6. an outer ring; 7. an inner race bearing; 8. a plug screw; 9. a plug screw gasket; 10. a steel ball; 11. a movable flange PTFE pad; 12. a secondary dynamic sealing gasket; 13. an active gasket; 14. a movable flange; 15. a bolt; 16. a V-shaped spring skeleton; 17. a tetrafluoro pad.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-3, the present invention provides an embodiment: a novel ultralow temperature rotary joint comprises a static flange 1, an outer ring 6 is movably connected with the outer surface of one side of the static flange 1, a plug screw 8 is movably connected inside the outer ring 6, a plug screw gasket 9 is movably connected with the position, close to the upper end, of the outer surface of the plug screw 8, a dustproof and waterproof sealing gasket 4 is arranged at the position, close to the edge, between the static flange 1 and the outer ring 6, an inner ring 5 is movably connected with the position, close to the inside, of one side of the static flange 1, a static sealing ring 2 is movably connected inside the static flange 1, a static flange tetrafluoro gasket 3 is movably connected between the static flange 1 and the outer ring 6, a rolling groove is formed between the inner ring 5 and the outer ring 6, a steel ball 10 is movably connected inside the rolling groove, a dynamic flange tetrafluoro gasket 11 is movably connected between the inner ring 5 and a dynamic flange 14, a secondary dynamic sealing gasket 12 is arranged at the, the first part is that a static flange 1 and an inner ring 5 are connected into a whole by bolts 15, a static sealing ring 2 and a static flange PTFE pad 3 are arranged between the static flange 1 and the inner ring 5 to play a static seal, an inner ring bearing 7 is arranged on the outer surface of the inner ring 5, the second part is that a movable flange 14 and an outer ring 6 are connected into a whole by bolts 15, a movable flange PTFE pad 11 is arranged between the movable flange 14 and the outer ring 6, 2 rolling grooves on the inner ring bearing 7 and 2 rolling grooves on the outer ring 6 form 2 rolling ways of steel balls 10, a dustproof and waterproof sealing gasket 4, the steel balls 10, a secondary movable sealing gasket 12 and a driving sealing gasket 13 are arranged between the second part structure and the first part structure, a screw plug 8 and a screw plug gasket 9 are used for plugging an inlet of the steel balls 10 on the outer ring 6 and sealing, the lubrication is that ultralow temperature lubricating grease is filled in the two rolling grooves to ensure the lubricating action under the condition of extremely, the other scheme is that more (>2) rolling grooves are arranged between an inner ring bearing 7 and an outer ring 6 and are filled with steel balls 10 side by side so that a rotary joint can bear larger axial and radial torque, the dustproof and waterproof sealing gasket 4, the static sealing ring 2, the secondary dynamic sealing gasket 12 and the active sealing gasket 13 are all arranged by adopting a V-shaped spring framework 16 and are wrapped by adopting a PTFE (polytetrafluoroethylene) gasket 17 with self-lubricating property, the sealing and long service life is ensured, the inner ring bearing 7 and the outer ring 6 can be selected from the same high-strength material by adopting the design of separating the inner ring bearing 7 from the inner ring 5, the inner ring bearing 7 and the outer ring 6 have the same low-temperature deformation under the ultralow-temperature condition, the precision of the roller path is ensured, and the problem that other products on the market wear the roller path due to the different deformation of the inner ring and the outer ring at.
Furthermore, the inner part of the outer ring 6 is movably connected with an inner ring bearing 7, the outer surface of one side of the inner ring bearing 7, which is far away from the static flange 1, is movably connected with a movable flange 14, and a movable flange PTFE pad 11 is arranged between the movable flange 14 and the outer ring 6.
Further, the inside of inner circle bearing 7 is provided with tetrafluoro pad 17, and the upper end surface of tetrafluoro pad 17 is provided with V type spring skeleton 16, and dustproof and waterproof sealed 4, static sealing washer 2, inferior dynamic seal pad 12 all adopt V type spring skeleton 16 to set up with the sealed 13 that fills up of initiative to adopt take the tetrafluoro material tetrafluoro pad 17 of self-lubricating to wrap up, ensure sealed long-life.
Further, a bolt 15 penetrates through a position close to one side inside the movable flange 14, the inner ring bearing 7 is arranged on the outer surface of the inner ring 5, and the second part is that the movable flange 14 and the outer ring 6 are connected into a whole through the bolt 15.
Further, the static flange 1 is connected with the inner ring 5 through a bolt 15, and the static sealing ring 2 and the static flange polytetrafluoroethylene gasket 3 are arranged between the static flange 1 and the inner ring 5, so that the sealing effect of the rotary joint can be ensured.
Further, the number of the first arranged rolling grooves is two, and 2 rolling grooves on the inner ring bearing 7 and 2 rolling grooves on the outer ring 6 form 2 rolling paths of the steel balls 10.
Further, a screw plug 8 and a screw plug gasket 9 are arranged above the steel ball 10, the screw plug 8 and the screw plug gasket 9 block the loading port of the steel ball 10 on the outer ring 6 and seal the loading port, and the lubrication is that ultralow-temperature lubricating grease is filled in the two rolling grooves.
Further, the second arrangement number of the rolling grooves is larger than two, and another scheme is that more (>2) rolling grooves are arranged between the inner ring bearing 7 and the outer ring 6 and are full of the steel balls 10, so that the rotary joint can bear larger axial and radial moments.
It should be noted that, the utility model relates to a novel ultralow temperature rotary joint, when in use, the first part is that the static flange 1 and the inner ring 5 are connected into a whole by the bolt 15, the static seal ring 2 and the static flange tetrafluoro cushion 3 are arranged between the static flange 1 and the inner ring 5 to play static seal, the inner ring bearing 7 is arranged on the outer surface of the inner ring 5, the second part is that the movable flange 14 and the outer ring 6 are connected into a whole by the bolt 15, the movable flange tetrafluoro cushion 11 is arranged between the movable flange 14 and the outer ring 6, 2 rolling grooves on the inner ring bearing 7 and 2 rolling grooves on the outer ring 6 form a rolling way of 2 steel balls 10, the dustproof waterproof sealing gasket 4, the steel balls 10, the secondary movable sealing gasket 12 and the active sealing gasket 13 are arranged between the second part structure and the first part structure, the steel ball inlet of the secondary movable sealing gasket 12 and the active sealing gasket 13 are blocked by the screw plug 8 and the screw plug gasket 9, the lubrication is, the lubrication function under the condition of extremely low temperature is ensured, the long service life of the rotary joint is ensured, the other scheme is that more (>2) rolling grooves are arranged between the inner ring bearing 7 and the outer ring 6 and are filled with steel balls 10 side by side so that the rotary joint can bear larger axial and radial torque, the dustproof and waterproof sealing gasket 4, the static sealing ring 2, the secondary sealing gasket 12 and the active sealing gasket 13 are all arranged by adopting a V-shaped spring framework 16 and are wrapped by adopting a PTFE gasket 17 with self-lubricating teflon material, the long service life of the sealing is ensured, the design that the inner ring bearing 7 is separated from the inner ring 5 is adopted, the inner ring bearing 7 and the outer ring 6 can select the same high-strength material, the inner ring bearing 7 and the outer ring 6 have the same low-temperature deformation under the condition of ultralow temperature, the precision of the raceway is ensured, and the problem that the service life is caused by the fact that other products wear the raceway due to the, effectively increase its self functionality, comparatively practical.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (8)
1. The utility model provides a novel ultra-low temperature rotary joint, includes static flange (1), its characterized in that: the outer surface of one side of the static flange (1) is movably connected with an outer ring (6), the inner part of the outer ring (6) is movably connected with a plug screw (8), the outer surface of the plug screw (8) is movably connected with a plug screw gasket (9) near the upper end, a dustproof and waterproof sealing gasket (4) is arranged between the static flange (1) and the outer ring (6) near the edge, an inner ring (5) is movably connected with one side of the static flange (1) near the inner part, a static sealing ring (2) is movably connected with the inner part of the static flange (1), a static flange tetrafluoro gasket (3) is movably connected between the static flange (1) and the outer ring (6), a rolling groove is formed between the inner ring (5) and the outer ring (6), a steel ball (10) is movably connected with the inner part of the rolling groove, a dynamic flange tetrafluoro gasket (11) is movably connected between the inner ring, the outer surface of the upper end of the movable flange (14) is provided with a secondary movable sealing gasket (12) at a position close to the outer ring (6), and an active sealing gasket (13) is arranged inside the movable flange (14).
2. The novel ultra-low temperature rotary joint of claim 1, wherein: the inner part of the outer ring (6) is movably connected with an inner ring bearing (7), and the outer surface of one side, far away from the static flange (1), of the inner ring bearing (7) is movably connected with a movable flange (14).
3. The novel ultra-low temperature rotary joint of claim 2, wherein: a polytetrafluoroethylene pad (17) is arranged inside the inner ring bearing (7), and a V-shaped spring framework (16) is arranged on the outer surface of the upper end of the polytetrafluoroethylene pad (17).
4. the novel ultra-low temperature rotary joint of claim 2, wherein: and a bolt (15) penetrates through the position, close to one side, in the movable flange (14).
5. The novel ultra-low temperature rotary joint of claim 4, wherein: the static flange (1) is connected with the inner ring (5) through a bolt (15), and the static sealing ring (2) and the static flange polytetrafluoroethylene gasket (3) are arranged between the static flange (1) and the inner ring (5).
6. The novel ultra-low temperature rotary joint of claim 1, wherein: the first arrangement of the rolling grooves is two in number.
7. The novel ultra-low temperature rotary joint of claim 1, wherein: the screw plug (8) and the screw plug gasket (9) are arranged above the steel ball (10).
8. The novel ultra-low temperature rotary joint of claim 1, wherein: the second arrangement number of the rolling grooves is more than two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920427625.4U CN209781954U (en) | 2019-04-01 | 2019-04-01 | Novel ultralow-temperature rotary joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920427625.4U CN209781954U (en) | 2019-04-01 | 2019-04-01 | Novel ultralow-temperature rotary joint |
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| Publication Number | Publication Date |
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| CN209781954U true CN209781954U (en) | 2019-12-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920427625.4U Active CN209781954U (en) | 2019-04-01 | 2019-04-01 | Novel ultralow-temperature rotary joint |
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| CN (1) | CN209781954U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109958829A (en) * | 2019-04-01 | 2019-07-02 | 苏州瀚隆石化装备有限公司 | A kind of novel ultralow temperature rotary joint |
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2019
- 2019-04-01 CN CN201920427625.4U patent/CN209781954U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109958829A (en) * | 2019-04-01 | 2019-07-02 | 苏州瀚隆石化装备有限公司 | A kind of novel ultralow temperature rotary joint |
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