CN202612627U - Rotary joint transition ring with rotation preventing structure - Google Patents
Rotary joint transition ring with rotation preventing structure Download PDFInfo
- Publication number
- CN202612627U CN202612627U CN 201220136797 CN201220136797U CN202612627U CN 202612627 U CN202612627 U CN 202612627U CN 201220136797 CN201220136797 CN 201220136797 CN 201220136797 U CN201220136797 U CN 201220136797U CN 202612627 U CN202612627 U CN 202612627U
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- ring
- graphite
- transition ring
- seal
- transition
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- Expired - Lifetime
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Abstract
The utility model discloses a rotary joint transition ring with a rotation preventing structure. The rotary joint transition ring with the rotation preventing structure comprises a seal ring, the rotation preventing structure, a spherical part, a metal embedding ring, a graphite embedding ring, a graphite ring and a transition ring. The seal ring is arranged on a spherical seal face, the rotation preventing structure is arranged on the spherical part, two seal components are embedded together through the metal embedding ring outside the transition ring, and the graphite embedding ring is arranged on the graphite ring. By means of the rotary joint transition ring with the rotation preventing structure, the seal faces on two sides of the transition ring are differentiated, friction pair materials of the planar seal face and the spherical seal face are different, a planar seal friction pair is made of graphite materials with high self-lubricity and mainly used for completing sealing relative rotation between a rotary shaft and a shell in rotation of the rotary joint and realizing radial floating of the transition ring, and spherical friction pair materials adopt polytetrafluoroethene seal rings with high plasticity and mainly realize the sealing function in swinging of the rotary joint.
Description
Technical field
The utility model relates to a kind of swivel joint transition ring with rotation prevention structure.
Background technique
At present; Use of the swivel joint of mechanical seal structure has the sphere friction pair structure of more anti-vibration of degrees of freedom and swing more on the market, and for adapting to the vibrations and the swing of field apparatus, it is sphere that transition ring adopts a side; Opposite side is the project organization on plane; When this structure can guarantee rotating shaft generation beat, transition ring can floating compensation, guaranteed the sealing effect of swivel joint; Because transition ring is born axial pressure and tension force radially simultaneously when work, so transition ring needs insert metal insert ring to increase the tensile strength of transition ring.
There are these some problems in this structure: 1, because transition ring adopts wear-resisting and self-lubricating property preferably graphite material make that the tensile strength of transition ring is lower, must insert have the metal insert ring of enough tightening forces; 2, transition ring is participated in two friction pairs simultaneously, so insert ring both sides all need reserve enough working depths, with guarantor unit in the time swivel joint work well, this transition ring can only be scrapped when transition ring one lateral wearing is heavier; 3, two transition ring both sides friction pairs are difficult to realize the role-taking of its main seal action in the swivel joint operation process, often find ball face sealing surface wear serious situation.
The model utility content
The purpose of the utility model provides a kind of swivel joint transition ring with rotation prevention structure.
The utility model for realizing the technological scheme that above-mentioned purpose adopted is: a kind of swivel joint transition ring with rotation prevention structure; Comprise seal ring, rotation prevention structure, spherical surface body, metal insert ring, graphite insert ring, graphite annulus and transition ring; Seal ring is arranged on the ball face sealing face; Rotation prevention structure is arranged on the spherical surface body, and the transition ring outside adopts metal insert ring that two black boies are installed in together, and graphite insert ring is arranged on the graphite annulus.
Said graphite annulus adopts the distinguish splicing construction.
Said seal ring is a polytetrafluoroethylmaterial material.
A kind of swivel joint transition ring of the utility model with rotation prevention structure; This structure is distinguished transition ring both sides sealing face; The plane sealing face is different with the friction pair material of ball face sealing face, and the plane sealing friction pair adopts self lubricity graphite material preferably, when mainly accomplishing the swivel joint running; Sealing in relative rotation between running shaft and housing; Realize the radial floating of transition ring simultaneously, the sphere friction pair material adopts plasticity teflon seal ring preferably, seal action when mainly realizing the swivel joint swing; Graphite annulus only bears pressure and does not bear tension force radially in this structure; Increase protectiveness graphite insert ring and constitute the graphite annulus combination; Can in the equipment operation process, effectively eliminate the wearing and tearing of insert ring to graphite annulus, guarantee the smooth running of transition ring, this kind structure is applicable to that simultaneously graphite annulus adopts the distinguish splicing construction; Improve the processability and the assembling of transition ring, particularly under the operating mode when transition ring need be born big radial force; Transition ring sphere side is used the teflon seal ring sealing with better plasticity, makes metal sphere surface Machining precision too highly to get final product; Transition ring only planar friction face side adopts the higher graphite material of price; And when the graphite material serious wear, only need change graphite annulus; Be convenient to maintenance and can practice thrift great amount of cost,, therefore in graphite specification and selection, be restricted less because this structure graphite annulus can adopt the distinguish splicing construction; Have bigger selection space, can effectively reduce the purchase cost and the procurement cycle of graphite material; Spherical surface body increases rotation prevention structure assurance sphere friction pair and only bears the seal action of swivel joint, and does not participate in sealing in relative rotation between running shaft and housing, effectively reduces the degree of wear of ball face sealing parts.
Description of drawings
Fig. 1 is the structural representation of a kind of swivel joint transition ring with rotation prevention structure of the utility model.
Embodiment
As shown in Figure 1; The swivel joint transition ring of band rotation prevention structure comprises seal ring 1, rotation prevention structure 2, spherical surface body 3, metal insert ring 4, graphite insert ring 5, graphite annulus 6 and transition ring 7, and seal ring 1 is arranged on the ball face sealing face; Rotation prevention structure 2 is arranged on the spherical surface body; Transition ring 7 outsides adopt metal insert ring 4 that two black boies are installed in together, and graphite insert ring 5 is arranged on the graphite annulus 6, and the utility model adopts transition ring insert structure; Both sides sealing facial plane sealed member adopts graphite material, and graphite annulus increases metal insert ring; It is matrix that the ball face sealing parts reach with the metal, and filled polytetrafluoroethylene is as seal ring, and the transition ring outside adopts metal insert ring that two black boies are installed in together; Thereby realize the integrity of transition ring; Increase rotation prevention structure on the spherical surface body, the utility model structural feature is: transition ring both sides sealing face is distinguished, and the plane sealing face is different with the friction pair material of ball face sealing face; The plane sealing friction pair adopts self lubricity graphite material preferably; When main completion swivel joint turns round, seal in relative rotation between running shaft and housing, realize the radial floating of transition ring simultaneously; The sphere friction pair material adopts plasticity teflon seal ring preferably, seal action when mainly realizing the swivel joint swing; Graphite annulus only bears pressure and does not bear tension force radially in this structure; Increase protectiveness graphite insert ring and constitute the graphite annulus combination; Can in the equipment operation process, effectively eliminate the wearing and tearing of insert ring to graphite annulus, guarantee the smooth running of transition ring, this kind structure is applicable to that simultaneously graphite annulus adopts the distinguish splicing construction; Improve the processability and the assembling of transition ring, particularly under the operating mode when transition ring need be born big radial force; Transition ring sphere side is used the teflon seal ring sealing with better plasticity, makes metal sphere surface Machining precision too highly to get final product; Transition ring only planar friction face side adopts the higher graphite material of price; And when the graphite material serious wear, only need change graphite annulus; Be convenient to maintenance and can practice thrift great amount of cost,, therefore in graphite specification and selection, be restricted less because this structure graphite annulus can adopt the distinguish splicing construction; Have bigger selection space, can effectively reduce the purchase cost and the procurement cycle of graphite material; Spherical surface body increases rotation prevention structure assurance sphere friction pair and only bears the seal action of swivel joint, and does not participate in sealing in relative rotation between running shaft and housing, effectively reduces the degree of wear of ball face sealing parts.
Claims (3)
1. swivel joint transition ring with rotation prevention structure; It is characterized in that: comprise seal ring, rotation prevention structure, spherical surface body, metal insert ring, graphite insert ring, graphite annulus and transition ring; Seal ring is arranged on the ball face sealing face; Rotation prevention structure is arranged on the spherical surface body, and the transition ring outside adopts metal insert ring that two black boies are installed in together, and graphite insert ring is arranged on the graphite annulus.
2. a kind of swivel joint transition ring with rotation prevention structure according to claim 1 is characterized in that: said graphite annulus adopts the distinguish splicing construction.
3. a kind of swivel joint transition ring with rotation prevention structure according to claim 1, it is characterized in that: said seal ring is a polytetrafluoroethylmaterial material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220136797 CN202612627U (en) | 2012-04-01 | 2012-04-01 | Rotary joint transition ring with rotation preventing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220136797 CN202612627U (en) | 2012-04-01 | 2012-04-01 | Rotary joint transition ring with rotation preventing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202612627U true CN202612627U (en) | 2012-12-19 |
Family
ID=47346328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220136797 Expired - Lifetime CN202612627U (en) | 2012-04-01 | 2012-04-01 | Rotary joint transition ring with rotation preventing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202612627U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102606825A (en) * | 2012-04-01 | 2012-07-25 | 大连华阳光大密封有限公司 | Rotary joint transitional ring with rotation preventive structure |
-
2012
- 2012-04-01 CN CN 201220136797 patent/CN202612627U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102606825A (en) * | 2012-04-01 | 2012-07-25 | 大连华阳光大密封有限公司 | Rotary joint transitional ring with rotation preventive structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: DALIAN HUAYANG SEALS CO., LTD. Free format text: FORMER NAME: DALIAN HUAYANG GUANGDA SEALING CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 116036, 25, Xu Xu Road, Dalian, Ganjingzi, Liaoning Patentee after: DALIAN HUAYANG SEALS CO., LTD. Address before: 116036, 25, Xu Xu Road, Dalian, Ganjingzi, Liaoning Patentee before: Dalian Huayang Seals Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20121219 |
|
| CX01 | Expiry of patent term |