CN205479857U - Two raceways support joint rotary joint - Google Patents
Two raceways support joint rotary joint Download PDFInfo
- Publication number
- CN205479857U CN205479857U CN201620058392.1U CN201620058392U CN205479857U CN 205479857 U CN205479857 U CN 205479857U CN 201620058392 U CN201620058392 U CN 201620058392U CN 205479857 U CN205479857 U CN 205479857U
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- CN
- China
- Prior art keywords
- housing
- steel ball
- outer tube
- raceway
- rotary joint
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model relates to an input the joint among the slewing device with fluid medium from static pipeline, specific saying so is used for sealed the two raceways support joint rotary joint of a rotary combined sealing washer on the aircraf carrier deck, belongs to mechanical seal technical field. It includes casing and outer tube, is equipped with a seal structure and the 2nd seal structure between casing and the outer tube, and a seal structure and the 2nd seal structure lie in the both sides of the outer raceway of a plurality of respectively. The utility model discloses a combined seal ring seal structure's two raceways support joint rotary joint, combined seal ring seal structure, sealing performance is good, long service lifetime. High accuracy raceway design and processing guarantees to rotate smoothly, the utility model discloses function that can compatible low pressure rotary joint reduces the use cost of customer unit, the utility model discloses the appearance is pleasing to the eye, and the surface is bright and clean, and the casing does not have surplus precision casting, has reduced the machining cost.
Description
Technical field
This utility model relates to a kind of joint for being input to slewing by fluid media (medium) from static duct, a kind of rotation combination sealing ring being particularly used on aircraft-carrier-deck seals to obtain double raceways support articulation rotary joints, belongs to technical field of mechanical.
Background technology
Swivel joint is the connection seal member that fluid media (medium) (liquid, gas etc.) is input to slewing from static duct, is to solve run, drip, leak, saves the energy, protects environment, the sealing device improved working conditions.In existing technology, articulation rotary joint is primarily present following defect: (1) profile is coarse, simple and crude, part blank qualified casting is low, causes articulation rotary joint processing cost expensive and cannot ensure date of delivery；(2) the sealing ring material in the past selected cannot ensure that existing operating mode must use, and service life is the shortest, and it is more frequent that accessory is changed in maintenance；(3) raceway machining accuracy is rotated low, it is impossible to ensure that the most smooth and easy rotation of swivel joint is the most stuck.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned weak point, thus provides double raceways of a kind aircraft-carrier-deck overhead gage junction to support articulation rotary joint, rotates flexibly, seals stability good, and service life is long.
The technical scheme provided according to this utility model, double raceways support articulation rotary joint and include housing and outer tube, the endoporus of housing is set with the leading section of outer tube, several outer raceways along the circumferential direction it are provided with on the inner hole wall of housing, outer tube stretches into and is along the circumferential direction provided with the interior raceway identical with outer raceway quantity on the leading section outer surface of the endoporus of housing, each outer raceway and an interior raceway correspondence connect formation steel ball rolling channel, it is provided with steel ball in each steel ball rolling channel, it is characterized in that: be provided with the first sealing structure and second between housing and outer tube and seal structure, first sealing structure and second seals structure and lays respectively at the both sides of several outer raceways；Described first sealing structure includes being arranged on the sealing shoulder hole of the endoporus of housing and being arranged on the sealing step trough that outer tube stretches on the leading section of housing, seals and is provided with rotation combination sealing ring and packing ring between shoulder hole and sealing step trough；Described second seals structure includes being arranged on the sealed groove that outer tube stretches on the leading section of housing, is provided with O RunddichtringO in sealed groove.
Further, steel ball rolling channel is 2.
Further, housing tail end is provided with external screw thread attachment structure.
Further, outer tube tail end is provided with female connection structure.
Further, housing outer surface is provided with press-fit forced filling oil cup, and press-fit forced filling oil cup connects with steel ball rolling channel.
Further, housing outer surface is provided with several steel ball installing holes vertically identical with steel ball rolling channel quantity, in each steel ball installing hole, is threaded connection interior hexagonal cone holding screw and fluting flush end holding screw.
Compared with the prior art this utility model has the advantage that
(1) double raceways that this utility model uses combined seal ring to seal structure support articulation rotary joint, and combined seal ring seals structure, good seal performance；Service life is long；Raceway Design and Machining ensures that rotation is smooth and easy in high precision；
(2) this utility model has structure design easy standardization, the advantage of seriation, can strain according to the needs of user's draw bail；
(3) this utility model can the function of compatible low pressure swivel joint, reduce client unit use cost；
(4) this utility model good looking appearance, any surface finish, housing, without surplus hot investment casting, reduces machining cost.
Accompanying drawing explanation
Fig. 1 is this utility model front view.
Fig. 2 is this utility model semi-cutaway.
Description of reference numerals: in 1-housing, 2-rotation combination sealing ring, 3-packing ring, 4-steel ball, 5-press-fit forced filling oil cup, 6-O RunddichtringO, 7-outer tube, 8-, hexagonal bores holding screw, 9-slots flush end holding screw, 10-external screw thread attachment structure, 11-female connection structure.
Detailed description of the invention
The embodiment combined in accompanying drawing is further described by this utility model below:
As shown in Figure 1 and 2, this utility model mainly includes housing 1 and outer tube 7, is set with the leading section of outer tube 7 in the endoporus of housing 1.Several outer raceways along the circumferential direction it are provided with on the inner hole wall of housing 1, outer tube 7 stretches into and is along the circumferential direction provided with the interior raceway identical with outer raceway quantity on the leading section outer surface of the endoporus of housing 1, each outer raceway and an interior raceway correspondence connect formation steel ball rolling channel, are provided with steel ball 4 in each steel ball rolling channel.In embodiment as shown in Figure 2, described steel ball rolling channel is 2.
Being provided with several steel ball installing holes identical with steel ball rolling channel quantity on housing 1 outer surface vertically, each steel ball installing hole correspondence installs the steel ball 4 of a steel ball rolling channel, and steel ball 4 ensure that outer tube 7 can be at circumferencial direction flexible rotating.It is threaded connection interior hexagonal cone holding screw 8 and fluting flush end holding screw 9 in each steel ball installing hole, after completing steel ball 4 installation, fixes steel ball 4 by tightening interior hexagonal cone holding screw 8 and fluting flush end holding screw 9.
Being provided with the first sealing structure and second between housing 1 and outer tube 7 and seal structure, the first sealing structure and second seals structure and lays respectively at the both sides of several outer raceways.Described first sealing structure includes being arranged on the sealing shoulder hole of the endoporus of housing 1 and being arranged on the sealing step trough that outer tube 7 stretches on the leading section of housing 1, seals and is provided with rotation combination sealing ring 2 and packing ring 3 between shoulder hole and sealing step trough.Described second seals structure includes that being arranged on outer tube 7 stretches into the sealed groove on the leading section of housing 1, is provided with O RunddichtringO 6 in sealed groove.
Described housing 1 outer surface is provided with press-fit forced filling oil cup 5, and press-fit forced filling oil cup 5 connects with steel ball rolling channel, injects grease by press-fit forced filling oil cup 5 and ensures the long-term flexible rotating of steel ball 4.
Described housing 1 tail end is provided with external screw thread attachment structure 10, by the connection by metal hose of the external screw thread attachment structure 10 of housing 1 with water inlet.
Described outer tube 7 tail end is provided with female connection structure 11, is connected with outlet pipeline by the female connection structure 11 of outer tube 7.
In use, the attachment structure sealed with combined seal ring in outer tube by housing is connected this utility model, inputs fluid media (medium), and fluid media (medium) is reached the cooling effect to baffle plate by housing 1 and outer tube 7 in die cavity access arrangement duct coupling.
This utility model has the advantage that double raceways that (1) this utility model uses combined seal ring to seal structure support articulation rotary joint, and combined seal ring seals structure, good seal performance；Service life is long；Raceway Design and Machining ensures that rotation is smooth and easy in high precision；(2) this utility model has structure design easy standardization, the advantage of seriation, can strain according to the needs of user's draw bail；(3) this utility model can the function of compatible low pressure swivel joint, reduce client unit use cost；(4) this utility model good looking appearance, any surface finish, housing, without surplus hot investment casting, reduces machining cost.
Claims (6)
1. double raceways support articulation rotary joint, including housing (1) and outer tube (7), the endoporus of housing (1) is set with the leading section of outer tube (7), several outer raceways along the circumferential direction it are provided with on the inner hole wall of housing (1), the interior raceway identical with outer raceway quantity along the circumferential direction it is provided with on the leading section outer surface of the endoporus that outer tube (7) stretches into housing (1), each outer raceway and an interior raceway correspondence connect formation steel ball rolling channel, steel ball (4) it is provided with in each steel ball rolling channel, it is characterized in that: be provided with the first sealing structure and second between housing (1) and outer tube (7) and seal structure, first sealing structure and second seals structure and lays respectively at the both sides of several outer raceways；Described first seals structure includes being arranged on the sealing shoulder hole of the endoporus of housing (1) and is arranged on the sealing step trough that outer tube (7) stretches on the leading section of housing (1), seals and is provided with rotation combination sealing ring (2) and packing ring (3) between shoulder hole and sealing step trough；Described second seals structure includes that being arranged on outer tube (7) stretches into the sealed groove on the leading section of housing (1), is provided with O RunddichtringO (6) in sealed groove.
2. double raceway as claimed in claim 1 supports articulation rotary joint, it is characterized in that: described steel ball rolling channel is 2.
3. double raceway as claimed in claim 1 supports articulation rotary joint, it is characterized in that: described housing (1) tail end is provided with external screw thread attachment structure (10).
4. double raceway as claimed in claim 1 supports articulation rotary joint, it is characterized in that: described outer tube (7) tail end is provided with female connection structure (11).
5. double raceway as claimed in claim 1 supports articulation rotary joint, it is characterized in that: described housing (1) outer surface is provided with press-fit forced filling oil cup (5), and press-fit forced filling oil cup (5) connects with steel ball rolling channel.
6. double raceway as claimed in claim 1 supports articulation rotary joint, it is characterized in that: on described housing (1) outer surface, be provided with several steel ball installing holes identical with steel ball rolling channel quantity vertically, in each steel ball installing hole, be threaded connection interior hexagonal cone holding screw (8) and fluting flush end holding screw (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620058392.1U CN205479857U (en) | 2016-01-21 | 2016-01-21 | Two raceways support joint rotary joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620058392.1U CN205479857U (en) | 2016-01-21 | 2016-01-21 | Two raceways support joint rotary joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205479857U true CN205479857U (en) | 2016-08-17 |
Family
ID=56638041
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620058392.1U Active CN205479857U (en) | 2016-01-21 | 2016-01-21 | Two raceways support joint rotary joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205479857U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105485452A (en) * | 2016-01-21 | 2016-04-13 | 江苏腾旋科技股份有限公司 | Double-roller-path support knuckle rotating joint |
| CN107956943A (en) * | 2016-10-18 | 2018-04-24 | 艾维基库巴驰尼股份公司 | Improved attachment device for general pipe |
-
2016
- 2016-01-21 CN CN201620058392.1U patent/CN205479857U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105485452A (en) * | 2016-01-21 | 2016-04-13 | 江苏腾旋科技股份有限公司 | Double-roller-path support knuckle rotating joint |
| CN107956943A (en) * | 2016-10-18 | 2018-04-24 | 艾维基库巴驰尼股份公司 | Improved attachment device for general pipe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |