CN207715943U - A kind of rotary joint - Google Patents
A kind of rotary joint Download PDFInfo
- Publication number
- CN207715943U CN207715943U CN201721859896.4U CN201721859896U CN207715943U CN 207715943 U CN207715943 U CN 207715943U CN 201721859896 U CN201721859896 U CN 201721859896U CN 207715943 U CN207715943 U CN 207715943U
- Authority
- CN
- China
- Prior art keywords
- flange disk
- ring
- flange
- end flanges
- clamping cap
- Prior art date
- 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.)
- Expired - Fee Related
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- Mechanical Sealing (AREA)
Abstract
The utility model provides a kind of rotary joint, including rotatable connection flange, fixed end flanges, sealing ring, clamping cap and self-tightening spring assembly；The rotatable connection flange includes first flange disk, and the fixed end flanges include second flange disk, and the sealing ring is fastened between the first flange disk and second flange disk；The clamping cap is set in the outer surface of the fixed end flanges, and the clamping cap and first flange disk are located at the both sides of the second flange disk；The clamping cap is connect with the first flange disk by the self-tightening spring assembly；The self-tightening spring assembly includes screw rod, nut, spring and spring base；The screw rod sequentially passes through the clamping cap, first flange disk, spring, spring base and nut.The swivel seal effect is lasting, and service life is long.
Description
Technical field
The utility model is related between transmission pipeline and slewing coupling arrangement technical field more particularly to a kind of rotation
Connector.
Background technology
Rotary joint is used in white carbon industry, after conveying heat source and finished product are made when being to dissolve roller dissolving raw material
The dual-purpose linkage path of outside conveying products.Existing rotary joint, poor sealing between round end and fixing end, uses one
The case where being susceptible to joint steam leakage after the section time, seriously affects the service life of rotary joint.In addition, existing rotation
Adapter, fixing end are welded as a whole with the service of connection devices, when replacing sealing ring or bearing, need the connecting flange ability for destroying one end
It can replace.
Utility model content
In order to overcome the defect of the above-mentioned prior art, the technical problem to be solved by the utility model is to provide a kind of sealings
Effect is good, rotary joint with long service life.
In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model is：
A kind of rotary joint, including rotatable connection flange, fixed end flanges, sealing ring, clamping cap and self-tightening spring assembly；
The rotatable connection flange includes first flange disk, and the fixed end flanges include second flange disk, and the sealing ring is fastened on
Between the first flange disk and second flange disk；
The clamping cap is set in the outer surface of the fixed end flanges, and the clamping cap and first flange disk are located at
The both sides of the second flange disk；The clamping cap is connect with the first flange disk by the self-tightening spring assembly；
The self-tightening spring assembly includes screw rod, nut, spring and spring base；
The screw rod sequentially passes through the clamping cap, first flange disk, spring, spring base and nut.
Wherein, the end face that the first flange disk and second flange disk are contacted with the sealing ring is concave surface, described close
The both sides of seal ring are convex surface compatible with the concave surface, and the sealing ring is fastened between the concave surface.
Wherein, the number of the self-tightening spring assembly is 4~10 and is uniformly distributed along the circumferential direction of the first flange disk.
Wherein, the rotary joint further includes outer compression ring, internal pressure tight ring and connection end cap；The internal pressure tight ring is by two
Semi-ring forms, and the internal pressure tight ring is set in the appearance of one end opposite with the second flange disk of the fixed end flanges
Face, the outer compression ring are set in the outer surface of the internal pressure tight ring, and the fixed end flanges are by the internal pressure tight ring and outside
Compression ring and the connection end cap are detachably connected.
Wherein, bearing is arranged between the clamping cap and the second flange disk, the bearing is set in the fixation
The outer surface of end flanges.
Wherein, the material of the sealing ring is graphite modified polytetrafluoroethylene material (PTFE+ graphite).
The beneficial effects of the utility model are：
Rotary joint provided by the utility model, by increasing clamping cap and self-tightening spring assembly, when work, two end flanges
Respective flange-interface is connected, self-tightening spring assembly compresses two end flanges and the sealing ring between them, compeled always by spring force
So that fixed end flanges and the contact surface of rotatable connection flange and sealing element is closely affixed, remains preferable in spin friction
Sealing effect.After the rotary joint long-time use, sealing effect is still fine, and service life greatly prolongs.
Description of the drawings
Fig. 1 show a kind of sectional view of rotary joint of the utility model embodiment one.
Label declaration：
1, be rotatably connected flange；2, fixed end flanges；3, sealing ring；4, clamping cap；5, first flange disk；6, second flange
Disk；7, screw rod；8, nut；9, spring；10, spring base；11, self-tightening spring assembly；12, outer compression ring；13, internal pressure tight ring；14、
Connection end cap；15, screw；16, bearing.
Specific implementation mode
For technology contents, the objects and the effects of the utility model are described in detail, below in conjunction with embodiment and match
Attached drawing is closed to be explained.
The design of the utility model most critical is：By increasing clamping cap and self-tightening spring assembly, when work, self-tightening bullet
Spring device compresses two end flanges and the sealing ring between them, forces fixed end flanges and rotatable connection flange always by spring force
It is closely affixed with the contact surface of sealing element, preferable sealing effect is remained in spin friction.
The utility model provides a kind of rotary joint, including rotatable connection flange, fixed end flanges, sealing ring, clamping cap
With self-tightening spring assembly；The rotatable connection flange includes first flange disk, and the fixed end flanges include second flange disk, institute
Sealing ring is stated to be fastened between the first flange disk and second flange disk；
The clamping cap is set in the outer surface of the fixed end flanges, and the clamping cap and first flange disk are located at
The both sides of the second flange disk；The clamping cap is connect with the first flange disk by the self-tightening spring assembly；
The self-tightening spring assembly includes screw rod, nut, spring and spring base；
The screw rod sequentially passes through the clamping cap, first flange disk, spring, spring base and nut.
As can be seen from the above description, the beneficial effects of the utility model are：
By increasing clamping cap and self-tightening spring assembly, when work, the respective flange-interface of both ends flanged joint, self-tightening bullet
Spring device compresses two end flanges and the sealing ring between them, forces fixed end flanges and rotatable connection flange always by spring force
It is closely affixed with the contact surface of sealing element, preferable sealing effect is remained in spin friction.The rotary joint is for a long time
After use, sealing effect is still fine, and service life greatly prolongs.
Further, the end face that the first flange disk and second flange disk are contacted with the sealing ring is concave surface, institute
The both sides for stating sealing ring are convex surface compatible with the concave surface, and the sealing ring is fastened between the concave surface.
As can be seen from the above description, coordinated by concave and convex surface between sealing ring and two end flanges, can make two end flanges with
It is not susceptible to relative displacement between sealing ring, two end flanges are bonded closer with sealing ring, and sealing is more tight.
Further, the number of the self-tightening spring assembly is 4~10 and along the circumferential uniform of the first flange disk
Distribution.
As can be seen from the above description, two end flanges and sealing ring are locked using 4~10 self-tightening spring assemblies, sealing can be made
Effect is more preferable, while the coupling mechanism force for being assigned to each self-tightening spring assembly reduces, thus the smaller bullet of steel wire diameter can be used
Spring saves the cost for manufacturing big steel wire diameter spring.
Further, the rotary joint further includes outer compression ring, internal pressure tight ring and connection end cap；The internal pressure tight ring by
Two semi-ring compositions, the internal pressure tight ring are set in the outer of one end opposite with the second flange disk of the fixed end flanges
Surface, the outer compression ring are set in the outer surface of the internal pressure tight ring, the fixed end flanges by the internal pressure tight ring and
Outer compression ring and the connection end cap are detachably connected.
Preferably, the face that the outer compression ring is contacted with the internal pressure tight ring is inclined-plane, the close institute of the internal pressure tight ring
The outer diameter for stating the end face of second flange disk is less than the outer diameter of the end face far from the second flange disk；The outer compression ring with it is described
Connection end cap is connected by screw, and the connection end cap is bolted with peripheral hardware the service of connection devices.
As can be seen from the above description, the end cap of end flanges, outer compression ring pressure are fixed by two semi-rings of internal pressure tight ring
Tight internal pressure tight ring, and by outer compression ring and the detachably connected fixation of connection end cap, when needing replacing sealing ring or bearing, first
The connection bolt between connection end cap and the service of connection devices is unclamped, then the screw on outer press ring will be unclamped, removes the two of internal pressure tight ring
Semi-ring, outer compression ring can be removed from fixed end flanges, unclamp again the nut on spring base, so that it may with by clamping cap from fixation
End flanges remove, and can replace bearing or sealing ring, without destroying the connecting flange of wherein one end.
Further, bearing is arranged between the clamping cap and the second flange disk, the bearing is set in described
The outer surface of fixed end flanges.
Preferably, the clamping cap is equipped with groove compatible with the bearing, and the bearing is fastened on the groove
In.
As can be seen from the above description, bearing can reduce the dynamic friction between round end connecting flange and fixed end flanges, make rotation
The rotary motion for turning end connecting flange is more smooth, more stable.
Further, the material of the sealing ring is graphite modified polytetrafluoroethylene material (PTFE+ graphite).
As can be seen from the above description, graphite modified polytetrafluoroethylene material have outstanding compressibility, restorative, wearability and
Leakproofness.Sealing ring is made with graphite modified polytetrafluoroethylene material, the sealing between two end flanges and sealing ring can be made more to hold
Long, the sealing effect of rotary joint is more preferable, and the service life is longer.
It please refers to shown in Fig. 1, the embodiments of the present invention one are：
A kind of rotary joint, including rotatable connection flange 1, fixed end flanges 2, sealing ring 3, clamping cap 4 and self-tightening spring
Component 11；The rotatable connection flange 1 includes first flange disk 5, and the fixed end flanges 2 include second flange disk 6, described close
Seal ring 3 is fastened between the first flange disk 5 and second flange disk 6；
The clamping cap 4 is set in the outer surface of the fixed end flanges 2, and the clamping cap 4 and first flange disk 5 are distinguished
Positioned at the both sides of the second flange disk 6；The clamping cap 4 passes through the self-tightening spring assembly 11 with the first flange disk 5
Connection；
The self-tightening spring assembly 11 includes screw rod 7, nut 8, spring 9 and spring base 10；
The screw rod 7 sequentially passes through the clamping cap 4, first flange disk 5, spring 9, spring base 10 and nut 8.
The end face that the first flange disk 5 and second flange disk 6 are contacted with the sealing ring 3 is concave surface, the sealing
The both sides of ring 3 are convex surface compatible with the concave surface, and the sealing ring 3 is fastened between the concave surface.
The number of the self-tightening spring assembly 11 is 8 and is uniformly distributed along the circumferential direction of the first flange disk 5.
The rotary joint further includes outer compression ring 12, internal pressure tight ring 13 and connection end cap 14；The internal pressure tight ring 13 by
Two semi-ring compositions, the internal pressure tight ring 13 are set in one end opposite with the second flange disk 6 of the fixed end flanges 2
Outer surface, the outer compression ring 12 is set in the outer surface of the internal pressure tight ring 13, and the fixed end flanges 2 pass through described interior
Compression ring 13 and outer compression ring 12 and the connection end cap 14 are detachably connected.
The face that the outer compression ring 12 is contacted with the internal pressure tight ring 13 is inclined-plane, the internal pressure tight ring 13 close to described
The outer diameter of the end face of second flange disk 6 is less than the outer diameter of the end face far from the second flange disk 6；The outer compression ring 12 and institute
It states connection end cap 14 to connect by screw 15, the connection end cap 14 is bolted with peripheral hardware the service of connection devices.
Bearing 16 is arranged between the clamping cap 4 and the second flange disk 6, the bearing 16 is set in the fixation
The outer surface of end flanges 2.
The clamping cap 4 is equipped with groove compatible with the bearing 16, and the bearing 16 is fastened in the groove.
The material of the sealing ring 3 is graphite modified polytetrafluoroethylene material (PTFE+ graphite).
The embodiments of the present invention two are：
Difference lies in the number of the self-tightening spring assembly is 4 and along described first to embodiment two with embodiment one
The circumferential direction of ring flange is uniformly distributed.
The embodiments of the present invention three are：
Difference lies in the number of the self-tightening spring assembly is 6 and along described first to embodiment three with embodiment one
The circumferential direction of ring flange is uniformly distributed.
The embodiments of the present invention four are：
Difference lies in the number of the self-tightening spring assembly is 10 and along described first to example IV with embodiment one
The circumferential direction of ring flange is uniformly distributed.
In conclusion rotary joint provided by the utility model, by increasing clamping cap and self-tightening spring assembly, work
When, self-tightening spring assembly compresses two end flanges and the sealing ring between them, forces fixed end flanges and rotation always by spring force
The contact surface for turning connecting flange and sealing element is closely affixed, and preferable sealing effect is remained in spin friction, and close
Seal ring is made of graphite modified polytetrafluoroethylene material, and sealing is lasting, after the rotary joint long-time use, sealing effect according to
Old fine, service life greatly prolongs；In addition, fixed end flanges are detachably connected by inside and outside compression ring and connection end cap,
The drawbacks of wherein connecting flange of one end need to be destroyed by avoiding the when of replacing bearing or sealing ring.
The above description is only the embodiments of the present invention, and it does not limit the scope of the patent of the present invention, every
Equivalents made based on the specification and figures of the utility model are applied directly or indirectly in relevant technology neck
Domain is equally included in the patent within the scope of the utility model.
Claims (6)
1. a kind of rotary joint, which is characterized in that including rotatable connection flange, fixed end flanges, sealing ring, clamping cap and self-tightening
Spring assembly；The rotatable connection flange includes first flange disk, and the fixed end flanges include second flange disk, the sealing
Ring is fastened between the first flange disk and second flange disk；
The clamping cap is set in the outer surface of the fixed end flanges, and the clamping cap and first flange disk are located at described
The both sides of second flange disk；The clamping cap is connect with the first flange disk by the self-tightening spring assembly；
The self-tightening spring assembly includes screw rod, nut, spring and spring base；
The screw rod sequentially passes through the clamping cap, first flange disk, spring, spring base and nut.
2. rotary joint according to claim 1, which is characterized in that the first flange disk and second flange disk with it is described
The end face of sealing ring contact is concave surface, and the both sides of the sealing ring are convex surface compatible with the concave surface, the sealing
Ring is fastened between the concave surface.
3. rotary joint according to claim 1, which is characterized in that the number of the self-tightening spring assembly is 4~10
And it is uniformly distributed along the circumferential direction of the first flange disk.
4. rotary joint according to claim 1, which is characterized in that further include outer compression ring, internal pressure tight ring and connecting pin
Lid；The internal pressure tight ring is made of two semi-rings, and the internal pressure tight ring is being set in the fixed end flanges with second method
The outer surface of the opposite one end of blue disk, the outer compression ring are set in the outer surface of the internal pressure tight ring, the fixed end flanges
It is detachably connected by the internal pressure tight ring and outer compression ring and the connection end cap.
5. rotary joint according to claim 1, which is characterized in that block between the clamping cap and the second flange disk
Equipped with bearing, the bearing is set in the outer surface of the fixed end flanges.
6. the rotary joint according to any one of Claims 1 to 5, which is characterized in that the material of the sealing ring is
Graphite modified polytetrafluoroethylene material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721859896.4U CN207715943U (en) | 2017-12-27 | 2017-12-27 | A kind of rotary joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721859896.4U CN207715943U (en) | 2017-12-27 | 2017-12-27 | A kind of rotary joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207715943U true CN207715943U (en) | 2018-08-10 |
Family
ID=63050409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721859896.4U Expired - Fee Related CN207715943U (en) | 2017-12-27 | 2017-12-27 | A kind of rotary joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207715943U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111059379A (en) * | 2019-12-26 | 2020-04-24 | 大连华锐重工集团股份有限公司 | Hydraulic synchronous quick connector |
-
2017
- 2017-12-27 CN CN201721859896.4U patent/CN207715943U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111059379A (en) * | 2019-12-26 | 2020-04-24 | 大连华锐重工集团股份有限公司 | Hydraulic synchronous quick connector |
| CN111059379B (en) * | 2019-12-26 | 2024-02-02 | 大连华锐重工集团股份有限公司 | Hydraulic synchronous quick connector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190924 Address after: 365500 No. 901 Jinshayuan East Jinming Road, Sanming High-tech Industrial Development Zone, Fujian Province Patentee after: Fujian Tianhua Intelligent Equipment Co., Ltd. Address before: 365000 Jinsha Road, Jinsha garden, Sanming City high tech Industrial Development Zone, Fujian, China Patentee before: Shuanglun Chemical Machinery Co., Ltd., Sanminig City, Fujian Prov. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180810 Termination date: 20201227 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |