CN208474737U - A kind of high speed water rotary joint - Google Patents
A kind of high speed water rotary joint Download PDFInfo
- Publication number
- CN208474737U CN208474737U CN201821088785.2U CN201821088785U CN208474737U CN 208474737 U CN208474737 U CN 208474737U CN 201821088785 U CN201821088785 U CN 201821088785U CN 208474737 U CN208474737 U CN 208474737U
- Authority
- CN
- China
- Prior art keywords
- shell
- hollow shaft
- gland
- high speed
- rotary joint
- 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
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 24
- 210000004907 gland Anatomy 0.000 claims abstract description 32
- 238000007789 sealing Methods 0.000 claims abstract description 30
- 125000006850 spacer group Chemical group 0.000 claims description 9
- 239000007787 solid Substances 0.000 claims 1
- 238000003780 insertion Methods 0.000 abstract description 2
- 230000037431 insertion Effects 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 16
- 239000010687 lubricating oil Substances 0.000 description 5
- 238000005299 abrasion Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 230000002452 interceptive effect Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000003570 air Substances 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000007770 graphite material Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000001550 time effect Effects 0.000 description 1
Landscapes
- Joints Allowing Movement (AREA)
Abstract
The utility model provides a kind of high speed water rotary joint, including rear end cap, shell, hollow shaft and mechanical sealing device, wherein, rear end cap is connected in shell left end, hollow shaft left end is suspended in shell and rear end cap, hollow shaft right end stretches out outside shell, and mechanical sealing device is socketed between shell and hollow shaft；Mechanical sealing device includes accepting ring, spring, gland and clutch block, it accepts on the left of ring inner ring insertion hollow shaft, it accepts ring right end face to abut with spring left end, spring right end is connected on the left of gland, and gland is bowl structure, outer diameter is greater than left side outer diameter on the right side of gland, it is abutted on the right side of gland with clutch block, abutting on the right side of clutch block has pushing block, and gasket is socketed with outside pushing block, gasket is connected in shell, still has excellent sealing when the utility model has the advantages that run at high speed.
Description
Technical field
The utility model relates to rotary joint fields, specifically, being related to a kind of high speed water rotary joint.
Background technique
Rotary joint is the connection sealing device that fluid media (medium) is input in slewing from static duct, all use steams,
The gases such as water, oil, coal gas, air, salt water and ammonia and liquid, cylindrical shape, cydariform, truncated cone-shaped for heating, drying and cool down,
The equipment that spherical rotating machinery and reciprocating motion or pendulum (turning) move any one angle, and the air-liquid for clamping and braking
Moving related equipment can adapted rotary joint.
Rotary joint works because it is dynamic, and the connector for keeping inner seal member relatively common is easier to wear, and leads
Leakproofness is caused to reduce, and high speed rotation is bigger to the abrasion of seal member, makes the service life of general high-speed joint not
It is long, influence the normal work of rotary joint and equipment.
Utility model content
In place of solving above-mentioned the deficiencies in the prior art, the purpose of this utility model is to provide a kind of rotations of high speed water
Adapter, to overcome defect in the prior art.
To achieve the goals above, the utility model provides a kind of high speed water rotary joint, including rear end cap, shell
Body, hollow shaft and mechanical sealing device, wherein rear end cap is connected in shell left end, and hollow shaft left end is suspended at shell and rear end cap
Interior, hollow shaft right end stretches out outside shell, and mechanical sealing device is socketed between shell and hollow shaft；Mechanical sealing device includes accepting
Ring, spring, gland and clutch block are accepted on the left of ring inner ring insertion hollow shaft, accept ring right end face and abut with spring left end, bullet
Spring right end is connected on the left of gland, and gland is bowl structure, and outer diameter is greater than left side outer diameter, gland right side and clutch block on the right side of gland
It abuts, abutting on the right side of clutch block has pushing block, is socketed with gasket outside pushing block, gasket is connected in shell.
Make gland that clutch block be pushed closely to abut with pushing block, together using the elastic force of spring by using above-mentioned technical proposal
When pushing block squeeze gasket, so that each accessory is reached tight fit, achieve the effect that sealing；When hollow shaft high speed rotation, because
The left side of hollow shaft suspends, then hollow shaft left end will appear the swing of about 1 degree of range when rotating at high speed, and gland is being centrifuged at this time
Effect is lower to squeeze spring, and gland is made to reduce the extruding to clutch block, then clutch block reduces the pressure of pushing block, but still keeps supporting
The state connect then reduces the frictional force of clutch block and pushing block because reducing pressure, and then has the function that mitigate abrasion, improves rotation
The service life of connector, while abutting state being kept to make rotary joint that still there is leakproofness under high speed rotation.
As to a kind of further explanation of high speed water rotary joint described in the utility model, it is preferable that gland is left
Side is socketed with gasket ring, and gasket ring outer end face is abutted with spring.
By using above-mentioned technical proposal, the gasket ring of various outer diameter is installed additional, and then can make to install additional in rotary joint different outer
The spring of diameter reaches the elastic force of change spring by changing spring specification, and then can be adjusted by the different rotation speed of equipment
Rotary joint improves the suitability of rotary joint.
As to a kind of further explanation of high speed water rotary joint described in the utility model, it is preferable that hollow shaft
Two bearings are socketed with outside, bearing top circle end face is abutted with shell.
By using above-mentioned technical proposal, the frictional force of hollow shaft rotation is reduced, keeps hollow shaft rotation more smooth.
As to a kind of further explanation of high speed water rotary joint described in the utility model, it is preferable that two axis
Abutting between holding has spacer.
By using above-mentioned technical proposal, avoids occurring interfering between bearing and generating frictional force, influence to hollow shaft
Lubricating action, while bearing being made to split the different location of hollow shaft, it may also function as the effect of support hollow shaft.
As to a kind of further explanation of high speed water rotary joint described in the utility model, it is preferable that bearing is most
Right end face abutting has hole card, and hole card circle end face is plugged in shell；Bearing leftmost side end face, which abuts, axis card, axis card inner circle
End face is plugged in hollow shaft.
By using above-mentioned technical proposal, bearing is avoided to move in the axial direction, bearing is made preferably to support hollow shaft, made
The axis holding of hollow shaft coincides with shell axis.
As to a kind of further explanation of high speed water rotary joint described in the utility model, it is preferable that rear end cap
Sealing ring made of rubber has been abutted between shell.
By using above-mentioned technical proposal, the gap between rear end cap and shell is filled up using the flexibility of sealing ring, is avoided
Water flows out between rear end cap and shell, improves the leakproofness of rotary joint.
As to a kind of further explanation of high speed water rotary joint described in the utility model, it is preferable that spacer is just
It is provided with oil groove on the shell of top, is threaded with oil sealing on oil groove.
By using above-mentioned technical proposal, oil groove, which is arranged, not only to reduce the mill of bearing to lubricating oil is added between bearing
The heat generated when damage, also absorbable bearing high speed rotation, avoids bearing running hot from deforming, improves the service life of bearing；Setting
Oil sealing is effectively prevented from lubricating oil leakage.
The utility model has the following beneficial effects:
1, the utility model is improved the leakproofness of high velocity environment lower swivel, is mentioned simultaneously by setting mechanical sealing device
The service life of high sealing component；
2, the frictional force that hollow shaft is reduced by setting bearing keeps hollow shaft rotation more smooth；
3, the service life of bearing is improved by setting oil groove and oil sealing, while lubricating oil is avoided to leak outside.
Detailed description of the invention
Fig. 1 is the sectional view of the utility model.
Description of symbols:
1, rear end cap；2, shell；3, hollow shaft；4, mechanical sealing device；41, ring is accepted；42, spring；43, gland；44, from
Close block 45, gasket ring；46, pushing block；47, gasket；5, bearing；51, spacer；52, Kong Ka；53, axis card；6, positioning ring；7, it seals
Ring；8, oil sealing.
Specific embodiment
In order to further appreciate that the structure, feature and other purposes of the utility model, now in conjunction with appended preferable implementation
Example is accompanied by attached drawing, and detailed description are as follows, this attached drawing embodiment described is merely to illustrate the technical solution of the utility model, and
Non-limiting the utility model.
A kind of high speed water rotary joint, as shown in Figure 1, including rear end cap 1, shell 2, hollow shaft 3 and mechanical sealing device
4, wherein shell 1 is cylindrical tube, and rear end cap 1 is connected in 2 left end of shell by bolt, abuts between rear end cap 1 and shell 2
There are sealing ring 7 made of rubber, fill up the gap between rear end cap 1 and shell 2 using the flexibility of sealing ring 7, avoids water from rear
It is flowed out between end cap 1 and shell 2, improves the leakproofness of rotary joint；1 bottom of rear end cap and left end offer import, make to revolve
Adapter can connect the pipeline of different directions, improve the suitability of rotary joint；Hollow shaft 3 is circular tube shaped, and 3 left end of hollow shaft is outstanding
Set in shell 2 and rear end cap 1,3 right end of hollow shaft stretches out outside shell 2, mechanical sealing device 4 be socketed in shell 2 and hollow shaft 3 it
Between.
As shown in Figure 1, mechanical sealing device 4 includes accepting ring 41, spring 42, gland 43 and clutch block 44, accept in ring 41
Ring is inserted into 2 left side of hollow shaft, accepts 41 right end face of ring and abuts with 42 left end of spring, and 42 right end of spring is plugged with gasket ring 45, pad
Ring 45 is plugged on 43 left side of gland, and spring 42 is also abutted with gland 43；By installing the gasket ring 45 of various outer diameter additional, and then can make
The spring 42 for installing various outer diameter in rotary joint additional, the elastic force of change spring 42, Jin Erke are reached by changing 42 specification of spring
Rotary joint is adjusted by the different rotation speed of equipment, improves the suitability of rotary joint；Gland 43 is bowl structure, gland
43 right side outer diameters are greater than left side outer diameter, and 43 right side of gland is abutted with clutch block 44, and clutch block 44 is annulus made of graphite, clutch
Abutting on the right side of block 44 has pushing block 46, and pushing block 46 is also annulus made of graphite, to improve the wearability of mechanical sealing device 4, pushing block
Gasket 47 is socketed with outside 46, gasket 47 is annulus made of rubber, and 47 section of gasket is L-type, in the form of semi-surrounding
It is socketed on pushing block 46,47 outer end face of gasket is fitted on shell 2 so as to be connected with shell 2.
As shown in Figure 1, making gland 43 that clutch block 44 be pushed closely to abut with pushing block 46, simultaneously using the elastic force of spring 42
Pushing block 46 squeezes gasket 47, so that each accessory is reached tight fit, achievees the effect that sealing；When 3 high speed rotation of hollow shaft,
Because the left side of hollow shaft 3 suspends, then in a maximum of about of 3000 revs/min of high speed rotation, 3 left end of hollow shaft will appear about 1 degree of model
The swing enclosed, gland 43 squeezes spring 42 under the action of the centrifugal at this time, and gland 43 is made to reduce the extruding to clutch block 44, then clutch
Block 44 reduces the pressure of pushing block 46, but still keeps the state abutted, then reduces clutch block 44 and pushing block 46 because reducing pressure
Frictional force, and then have the function that mitigate abrasion, and gland 43 and 44 contact surface of clutch block are small, and gland 43 is made to be easier to reduction pair
The pressure of clutch block 44, the wear-resisting characteristic of cooperation graphite material, improves the service life of rotary joint, while keeping abutting state
Make rotary joint that still there is leakproofness under high speed rotation.
As shown in Figure 1, being socketed with two bearings 5 outside hollow shaft 3,5 circle end face of bearing is abutted with shell 2, two bearings 5
Between abut and have a spacer 51, spacer 51 is annular shape, with a thickness of 1/5th of 5 thickness of bearing, two 5 rightmost side end faces of bearing
Abutting has hole card 52, and card 52 circle end face in hole is plugged in shell 2；Two 5 leftmost side end faces of bearing, which abut, axis card 53, axis card
53 inner circle end faces are plugged in hollow shaft 3；Bearing 5, which is arranged, reduces the frictional force that hollow shaft 3 rotates, and makes the rotation of hollow shaft 3 more
It is smooth；Setting spacer 51 avoids occurring interfering and generating frictional force between bearing 5, influences the lubricating action to hollow shaft 2, simultaneously
So that bearing 5 is split the different location of hollow shaft 3, may also function as the effect of support hollow shaft 3；Providing holes card 52 and axis card 53, keep away
Exempt from bearing 5 to move in the axial direction, makes the preferably support hollow shaft 2 of bearing 5, keep the axis of hollow shaft 2 and 1 axis of shell
It coincides.
As shown in Figure 1, being provided with oil groove on the shell 2 of 51 surface of spacer, oil groove is communicated with bearing 5, and screw thread connects on oil groove
It is connected to oil sealing 8, so that oil groove is closed；Oil groove, which is arranged, not only to reduce the abrasion of bearing 5, also to lubricating oil is added between bearing 5
The heat generated when absorbable 5 high speed rotation of bearing avoids 5 overheating deforming of bearing, improves the service life of bearing 5；Setting oil
Envelope 8 is effectively prevented from lubricating oil leakage.
As shown in Figure 1,1 top of shell is fixed with columned positioning ring 6；Bolt is inserted into positioning ring 6, bolt is inserted again
Enter on metope or in equipment, rotary joint is fixed, live rotary joint with hand rest again without staff, keeps staff double
Hand carries out the connection of pipeline and flange, improves installation effectiveness.
It is to be understood that above-mentioned utility model content and specific embodiment are intended to prove the provided skill of the utility model
The practical application of art scheme should not be construed as the restriction to scope of protection of the utility model.Those skilled in the art are practical at this
In novel spirit and principle, when can various modifications may be made, equivalent replacement or improvement.The protection scope of the utility model is with appended power
Subject to sharp claim.
Claims (7)
1. a kind of high speed water rotary joint, which is characterized in that close including rear end cap (1), shell (2), hollow shaft (3) and machinery
It seals device (4), wherein
Rear end cap (1) is connected in shell (2) left end, and hollow shaft (3) left end is suspended in shell (2) and rear end cap (1), hollow shaft
(3) right end stretches out shell (2) outside, and mechanical sealing device (4) is socketed between shell (2) and hollow shaft (3)；
Mechanical sealing device (4) includes accepting ring (41), spring (42), gland (43) and clutch block (44), accepts ring (41) inner ring
It is inserted on the left of hollow shaft (3), accepts ring (41) right end face and abutted with spring (42) left end, spring (42) right end is connected to gland
(43) left side, gland (43) are bowl structure, and outer diameter is greater than left side outer diameter, gland (43) right side and clutch block on the right side of gland (43)
(44) it abuts, abutting on the right side of clutch block (44) has pushing block (46), is socketed with gasket (47) outside pushing block (46), and gasket (47) is solid
It is connected in shell (2).
2. a kind of high speed water rotary joint according to claim 1, which is characterized in that be socketed with pad on the left of gland (43)
Ring (45), gasket ring (45) outer end face are abutted with spring (42).
3. a kind of high speed water rotary joint according to claim 1, which is characterized in that be socketed with two outside hollow shaft (3)
A bearing (5), bearing (5) circle end face are abutted with shell (2).
4. a kind of high speed water rotary joint according to claim 3, which is characterized in that abutted between two bearings (5)
There are spacer (51).
5. a kind of high speed water rotary joint according to claim 4, which is characterized in that bearing (5) rightmost side end face is supported
It is connected to hole card (52), hole card (52) circle end face is plugged in shell (2)；Bearing (5) leftmost side end face, which abuts, axis card (53),
Axis card (53) inner circle end face is plugged in hollow shaft (3).
6. a kind of high speed water rotary joint according to claim 1, which is characterized in that rear end cap (1) and shell (2) it
Between abut have sealing ring made of rubber (7).
7. a kind of high speed water rotary joint according to claim 6, which is characterized in that the shell right above spacer (51)
On be provided with oil groove, oil sealing (8) are threaded on oil groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821088785.2U CN208474737U (en) | 2018-07-10 | 2018-07-10 | A kind of high speed water rotary joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821088785.2U CN208474737U (en) | 2018-07-10 | 2018-07-10 | A kind of high speed water rotary joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208474737U true CN208474737U (en) | 2019-02-05 |
Family
ID=65209917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821088785.2U Expired - Fee Related CN208474737U (en) | 2018-07-10 | 2018-07-10 | A kind of high speed water rotary joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208474737U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115532457A (en) * | 2022-11-02 | 2022-12-30 | 中建八局第二建设有限公司 | Central rotary joint of tower crane spraying system |
-
2018
- 2018-07-10 CN CN201821088785.2U patent/CN208474737U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115532457A (en) * | 2022-11-02 | 2022-12-30 | 中建八局第二建设有限公司 | Central rotary joint of tower crane spraying system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190205 |