CN221004204U - Rotary joint - Google Patents
Rotary joint Download PDFInfo
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- CN221004204U CN221004204U CN202323032353.3U CN202323032353U CN221004204U CN 221004204 U CN221004204 U CN 221004204U CN 202323032353 U CN202323032353 U CN 202323032353U CN 221004204 U CN221004204 U CN 221004204U
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- placing groove
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- side part
- bearing
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- 238000007789 sealing Methods 0.000 claims abstract description 177
- 239000000956 alloy Substances 0.000 claims abstract description 131
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 131
- 230000000694 effects Effects 0.000 abstract description 4
- 210000004907 gland Anatomy 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000011900 installation process 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
- 239000003921 oil Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a rotary joint, which comprises a rotary shaft, a shell, a cover body, a first alloy sealing ring, a second alloy sealing ring and two groups of bearing groups, wherein the rotary shaft is provided with a first bearing group and a second bearing group; the rotary shaft is transversely arranged, two groups of bearing groups are fixedly sleeved on the right side of the rotary shaft, a spacing ring block is arranged between the two groups of bearing groups, and the spacing ring block is fixedly connected with the rotary shaft; the cover body is sleeved on the right side of the rotating shaft, the first alloy sealing ring is positioned on the right side part of the rotating shaft, the second alloy sealing ring is positioned on the right side part of the inner part of the cover body, a first wave spring is arranged between the first alloy sealing ring and the right side part of the rotating shaft, a second wave spring is arranged between the second alloy sealing ring and the right side part of the inner part of the cover body, and the first alloy sealing ring and the second alloy sealing ring are propped against each other; the shell is sleeved on the outer side wall of the rotating shaft, the shell is in threaded connection with the cover body, and the left side part of the inner part of the shell is propped against the left side part of the left bearing group. The utility model has the advantages of good sealing effect and stable rotation of the rotating shaft.
Description
Technical Field
The utility model relates to the field of rotary joints, in particular to a rotary joint.
Background
The high-pressure rotary joint is a rotary mechanical sealing device, which is used for conveying and removing heat-conducting medium for a fixed pipeline and a rotary roller, and the heat-conducting medium applied to the rotary joint comprises steam, water, heat-conducting oil, hydraulic oil and cooling liquid.
Currently, chinese patent with the grant bulletin number of CN206496122U discloses a high-pressure rotary joint which comprises a flange gland, a jacket and a rotary core, wherein the rotary core is arranged in the jacket, and the jacket and the flange gland are connected together through a hexagon bolt; a radial bearing and an axial thrust bearing are arranged between the rotating core and the outer sleeve, and a pair of semicircular snap rings and snap ring positioning sleeves are arranged between the radial bearing and the axial thrust bearing; an end face inward sealing ring and a circular ring sealing ring are arranged between the rotating core and the flange gland, an end face inward sealing sleeve is arranged between the end face inward sealing ring and the sleeve, a circular ring sealing reinforcing sleeve is arranged between the end face inward sealing ring and the circular ring sealing ring, and a circular ring sealing inner supporting ring is arranged inside the circular ring sealing ring; and the flange gland and the rotating core are internally provided with gas channels and are used for respectively welding two gas pipelines.
However, the rotating core and the flange gland are sealed by the end face inward sealing ring and the circular ring sealing ring, and after the rotating core works for a long time, the end face inward sealing ring and the circular ring sealing ring are worn, so that the sealing performance between the rotating core and the flange gland is poor, and the service life is short;
Moreover, the axial thrust bearing and the radial bearing are consistent in size, the shell only pushes the axial thrust bearing to the radial bearing, and the radial bearing is limited through the limiting snap ring, but the left side of the limiting snap ring is propped against the axial thrust bearing, the right side of the limiting snap ring is propped against the radial bearing, and when the rotating core rotates, the friction force between the radial bearing and the limiting snap ring can influence the work of the axial thrust bearing, so that the working efficiency of the rotating core is influenced.
Disclosure of utility model
The utility model aims to provide a rotary joint which has the advantages of good sealing effect and stable rotation of a rotary shaft.
The technical aim of the utility model is realized by the following technical scheme:
A rotary joint comprises a rotary shaft, a shell, a cover body, a first alloy sealing ring, a second alloy sealing ring and two groups of bearing groups;
The rotating shaft is transversely placed, two groups of bearing groups are fixedly sleeved on the right side of the rotating shaft, a spacing ring block is arranged between the two groups of bearing groups, and the spacing ring block is fixedly connected with the rotating shaft;
The cover body is sleeved on the right side of the rotating shaft, the first alloy sealing ring is positioned on the right side part of the rotating shaft, the second alloy sealing ring is positioned on the right side part of the inner part of the cover body, a first wave spring is arranged between the first alloy sealing ring and the right side part of the rotating shaft, a second wave spring is arranged between the second alloy sealing ring and the right side part of the inner part of the cover body, and the first alloy sealing ring and the second alloy sealing ring are propped against each other;
the casing cover is located the lateral wall of rotation axis, casing and lid threaded connection, the inside left side portion of casing offsets with the left side portion of left bearing group.
The preferred scheme is as follows:
Preferably: the first alloy sealing ring is a cylindrical block with a vertical section in a ' ┤ ' shape, the vertical section of the second alloy sealing ring is a cylindrical block with a ' ' straight-line ' shape, the right side parts of the first alloy sealing ring and the second alloy sealing ring are provided with first round perforations, and the outer side parts of the right side parts of the first alloy sealing ring and the left side parts of the second alloy sealing ring are provided with two semicircular limiting blocks.
Preferably: the rotary shaft is in a circular tube shape, a first placing groove is formed in the right side part of the rotary shaft, a second placing groove is formed in the left side part of the first placing groove, a first annular groove is formed in the side wall of the second placing groove, and two semicircular third placing grooves are formed in the right side part of the rotary shaft;
The left side of the first alloy sealing ring is inserted into the second placing groove, the right side of the first alloy sealing ring is positioned in the first placing groove, two limiting blocks of the first alloy sealing ring are respectively positioned in two third placing grooves, a first O-shaped sealing ring is arranged in the first annular groove, and the first O-shaped sealing ring abuts against the outer side wall of the left side of the first alloy sealing ring;
The left side cover of first alloy sealing ring is equipped with first wave spring, first wave spring is located first standing groove, first wave spring offsets with the right side of first alloy sealing ring.
Preferably: the two groups of bearing groups comprise plane bearings and deep groove ball bearings, the outer diameter of the plane bearings is 1.1 times of that of the deep groove ball bearings, the plane bearings of the bearing group positioned on the left side are positioned on the right side of the deep groove ball bearings, and the bearing group positioned on the right side and the bearing group positioned on the left side are placed in mirror symmetry along the spacing ring block.
Preferably: the cover body is a cylinder which is transversely placed, a second round perforation is formed in the right side part of the cover body, a fourth placing groove is formed in the left side part of the cover body, a fifth placing groove is formed in the right side part of the inside of the fourth placing groove, a sixth placing groove is formed in the right side part of the inside of the fifth placing groove, a seventh placing groove is formed in the right side part of the inside of the sixth placing groove, an eighth placing groove is formed in the right side part of the inside of the seventh placing groove, and two semicircular ninth placing grooves are formed in the right side part of the inside of the seventh placing groove;
The second alloy sealing ring is inserted into the second circular through hole, the left side of the second alloy sealing ring is positioned in the eighth placing groove, two limiting blocks of the second alloy sealing ring are respectively positioned in the two ninth placing grooves, the right side of the second alloy sealing ring is sleeved with a second wave spring, the second wave spring is positioned in the eighth placing groove, and the second wave spring abuts against the left side of the second alloy sealing ring;
The plane bearing of the bearing group positioned on the right side is positioned in the fourth placing groove, the deep groove ball bearing of the bearing group positioned on the right side is positioned in the fifth placing groove, a second O-shaped sealing ring is arranged in the sixth placing groove, and the right side part of the rotating shaft is positioned in the seventh placing groove.
Preferably: the inside of the second round perforation is provided with a second annular groove, a third O-shaped sealing ring is arranged in the second annular groove, and the third O-shaped sealing ring abuts against the outer side wall of the right side of the second alloy sealing ring.
Preferably: the second round perforation on the right side of the cover body is provided with a first internal thread.
Preferably: a first annular slot is formed in the left side of the outer side wall of the cover body, a second annular slot is formed in the inner side wall of the first annular slot, and external threads are formed in the side wall of the second annular slot;
The shell is a transversely placed cylinder, a third round through hole is formed in the left side part of the shell, a tenth placing groove is formed in the right side part of the shell, an eleventh placing groove is formed in the left side part of the inside of the tenth placing groove, a second internal thread corresponding to the external thread of the second annular slot is formed in the inner side wall of the eleventh placing groove, a twelfth placing groove is formed in the left side part of the inside of the eleventh placing groove, a thirteenth placing groove is formed in the left side part of the inside of the twelfth placing groove, and a fourteenth placing groove is formed in the left side part of the thirteenth placing groove;
The fourteenth placing groove is internally provided with a fourth O-shaped sealing ring, the deep groove ball bearing of the left bearing group is positioned in the thirteenth placing groove, the plane bearing of the left bearing group is positioned in the twelfth placing groove, the second internal thread of the eleventh placing groove is in threaded connection with the external thread of the second annular slot, and the tenth placing groove is inserted in the first annular slot of the outer side wall of the cover body.
Preferably: the inside left side portion of tenth standing groove is equipped with the fifth O type sealing washer, the right side portion of fifth 0 type sealing washer and second ring slot offsets.
In summary, the utility model has the following beneficial effects:
1. The two groups of bearing groups and the arrangement formed by the plane bearing and the deep groove ball bearing are arranged in each group of bearing groups, so that the effect of stably rotating the rotating shaft under the limit condition can be achieved;
2. Through the arrangement of the first alloy sealing ring, the first wave spring, the second alloy sealing ring and the second wave spring, sealing surfaces are formed at the propping positions of the first alloy sealing ring and the second alloy sealing ring, when the first alloy sealing ring and the second alloy sealing ring wear, the first wave spring and the second wave spring rebound, so that the first alloy sealing ring and the second alloy sealing ring are ensured, and the tightness is further ensured;
3. through setting up of casing, lid, can play the effect that compresses tightly first alloy sealing ring, second alloy sealing ring, two group bearing group.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment;
FIG. 2 is a schematic structural diagram of a rotating shaft and two bearing sets according to an embodiment;
FIG. 3 is a cross-sectional view of the housing of the embodiment;
FIG. 4 is a cross-sectional view of the cover of the embodiment;
FIG. 5 is a cross-sectional view of a second alloy seal ring of an embodiment;
FIG. 6 is a left side view of a second alloy seal ring of an embodiment.
In the figure, 1, a rotation shaft; 2. a housing; 3. a cover body; 4. a first alloy seal ring; 5. a second alloy seal ring; 6. a bearing set; 7. a first wave spring; 8. a second wave spring; 111. spacing ring blocks; 112. a second placement groove; 113. a first annular groove; 114. a third placement groove; 115. a first O-ring seal; 116. a first placement groove; 211. a third circular perforation; 212. a tenth placement groove; 213. an eleventh placement groove; 214. a second internal thread; 215. a twelfth placement groove; 216. a thirteenth placement groove; 217. a fourteenth placement groove; 218. a fourth O-ring seal; 219. a fifth O-ring seal; 311. a second circular perforation; 312. a fourth placement groove; 313. a fifth placement groove; 314. a sixth placement groove; 315. a seventh placement groove; 316. an eighth placement groove; 317. a ninth placement groove; 318. a second O-ring seal; 319. a second annular groove; 320. a third O-ring seal; 321. a first internal thread; 322. a first annular slot; 323. a second annular slot; 324. an external thread; 511. a first circular perforation; 512. a limiting block; 611. a planar bearing; 612. deep groove ball bearings.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings.
Wherein like parts are designated by like reference numerals. It should be noted that the words "front", "back", "left", "right", "upper" and "lower" used in the following description refer to directions in the drawings, and the words "bottom" and "top", "inner" and "outer" refer to directions toward or away from, respectively, the geometric center of a particular component.
1-6, A rotary joint comprises a rotary shaft 1, a shell 2, a cover body 3, a first alloy sealing ring 4, a second alloy sealing ring 5 and two bearing groups 6;
The rotating shaft 1 is transversely placed, two groups of bearing groups 6 are fixedly sleeved on the right side of the rotating shaft 1, a spacing ring block 111 is arranged between the two groups of bearing groups 6, and the spacing ring block 111 is fixedly connected with the rotating shaft 1;
The cover body 3 is sleeved on the right side of the rotating shaft 1, the first alloy sealing ring 4 is positioned on the right side part of the rotating shaft 1, the second alloy sealing ring 5 is positioned on the right side part of the inner part of the cover body 3, a first wave spring 7 is arranged between the first alloy sealing ring 4 and the right side part of the rotating shaft 1, a second wave spring 8 is arranged between the second alloy sealing ring 5 and the right side part of the inner part of the cover body 3, and the first alloy sealing ring 4 and the second alloy sealing ring 5 are propped against each other;
the casing 2 is sleeved on the outer side wall of the rotating shaft 1, the casing 2 is in threaded connection with the cover body 3, and the left side part of the inside of the casing 2 abuts against the left side part of the left bearing group 6.
The first alloy sealing ring 4 is a cylindrical block with a vertical section of '┤' shape, the vertical section of the second alloy sealing ring 5 is a cylindrical block with a 'shape', the right side parts of the first alloy sealing ring 4 and the second alloy sealing ring 5 are provided with first round perforations 511, and the outer side part of the right side part of the first alloy sealing ring 4 and the left side part of the second alloy sealing ring 5 are provided with two semicircular limiting blocks 512.
The rotary shaft 1 is in a circular tube shape, a first placing groove 116 is formed in the right side part of the rotary shaft 1, a second placing groove 112 is formed in the left side part of the first placing groove 116, a first annular groove 113 is formed in the side wall of the second placing groove 112, and two semicircular third placing grooves 114 are formed in the right side part of the rotary shaft 1;
The left side of first alloy sealing ring 4 is pegged graft in second standing groove 112, the right side of first alloy sealing ring 4 is located first standing groove 116, two stopper 512 of first alloy sealing ring 4 are located two third standing grooves 114 respectively, be equipped with first O type sealing washer 115 in the first annular groove 113, first O type sealing washer 115 offsets with the lateral wall on the left side of first alloy sealing ring 4, makes the leakproofness between first alloy sealing ring 4 and the rotation axis 1 strengthen through first O type sealing washer 115, simultaneously is located two third standing grooves 114 respectively through two stopper 512 of first alloy sealing ring 4, can make first alloy sealing ring 4 rotate along with rotation of rotation axis 1.
The left side cover of first alloy sealing ring 4 is equipped with first wave spring 7, first wave spring 7 is located first standing groove 116, first wave spring 7 offsets with the right side of first alloy sealing ring 4, and when the right side of first alloy sealing ring 4 produced wearing and tearing, first wave spring 7 can reset, and then guarantees the leakproofness between first alloy sealing ring 4 and the second alloy sealing ring 5.
Both bearing groups 6 include a planar bearing 611 and a deep groove ball bearing 612, the outer diameter of the planar bearing 611 is 1.1 times that of the deep groove ball bearing 612, the planar bearing 611 of the bearing group 6 located on the left side is located on the right side of the deep groove ball bearing 612, the bearing group 6 located on the right side and the bearing group 6 located on the left side are placed in mirror symmetry along the spacing ring block 111, and the spacing ring block 111 is integrally formed with the rotating shaft 1, so when the rotating shaft 1 rotates, the spacing ring block 111 rotates between the two planar bearings 611, and the planar bearing 611 can bear higher radial load and axial load, so that the stability of the rotating shaft 1 can be ensured, and meanwhile, the deep groove ball bearing is a high-precision, high-speed and high-bearing-capacity bearing, so that the moving efficiency of the rotating shaft 1 is higher.
The cover 3 is a horizontally placed cylinder, a second circular perforation 311 is formed in the right side portion of the cover 3, a fourth placing groove 312 is formed in the left side portion of the cover 3, a fifth placing groove 313 is formed in the right side portion of the inside of the fourth placing groove 312, a sixth placing groove 314 is formed in the right side portion of the inside of the fifth placing groove 313, a seventh placing groove 315 is formed in the right side portion of the inside of the sixth placing groove 314, an eighth placing groove 316 is formed in the right side portion of the inside of the seventh placing groove 315, and two semicircular ninth placing grooves 317 are further formed in the right side portion of the inside of the seventh placing groove 315;
The second alloy sealing ring 5 is inserted into the second circular through hole 311, the left side of the second alloy sealing ring 5 is located in the eighth placing groove 316, two limiting blocks 512 of the second alloy sealing ring 5 are respectively located in the two ninth placing grooves 317, a second wave spring 8 is sleeved on the right side of the second alloy sealing ring 5, the second wave spring 8 is located in the eighth placing groove 316, the second wave spring 8 abuts against the left side of the second alloy sealing ring 5, a second annular groove 319 is formed in the second circular through hole 311, a third O-shaped sealing ring 320 is arranged in the second annular groove 319, the third O-shaped sealing ring 320 abuts against the outer side wall on the right side of the second alloy sealing ring 5, and the sealing performance between the second alloy sealing ring 5 and the cover body 3 is further improved;
The rotary shaft 1 is inserted into the left side of the cover body 3, at this time, the plane bearing 611 of the bearing group 6 located on the right side is located in the fourth placing groove 312, the deep groove ball bearing 612 of the bearing group 6 located on the right side is located in the fifth placing groove 313, the second O-shaped sealing ring 318 is disposed in the sixth placing groove 314, the right side of the rotary shaft 1 is located in the seventh placing groove 315, and the cover body 3 is pushed leftwards, so that the second alloy sealing ring 5 can be abutted against the first alloy sealing ring 4.
The left side of the outer side wall of the cover body 3 is provided with a first annular slot 322, the inner side wall of the first annular slot 322 is provided with a second annular slot 323, and the side wall of the second annular slot 323 is provided with an external thread 324;
The shell 2 is a horizontally placed cylinder, a third circular through hole 211 is formed in the left side part of the shell 2, a tenth placing groove 212 is formed in the right side part of the shell 2, an eleventh placing groove 213 is formed in the left side part of the inside of the tenth placing groove 212, a second internal thread 214 corresponding to the external thread 324 of the second annular slot 323 is formed in the inner side wall of the eleventh placing groove 213, a twelfth placing groove 215 is formed in the left side part of the inside of the eleventh placing groove 213, a thirteenth placing groove 216 is formed in the left side part of the twelfth placing groove 215, and a fourteenth placing groove 217 is formed in the left side part of the thirteenth placing groove 216;
The fourth O-ring 218 is disposed in the fourteenth placement groove 217, the deep groove ball bearing 612 of the left bearing set 6 is disposed in the thirteenth placement groove 216, the plane bearing 611 of the left bearing set 6 is disposed in the twelfth placement groove 215, the second internal thread 214 of the eleventh placement groove 213 is in threaded connection with the external thread 324 of the second annular slot 323, and the tenth placement groove 212 is inserted into the first annular slot 322 of the outer side wall of the cover body 3.
The second circular through hole 311 at the right side of the cover 3 is provided with a first internal thread 321, and the cover 3 may be connected to an external pipe through the first internal thread 321.
The left side of the outer side wall of the cover body 3 is provided with a first annular slot 322, the inner side wall of the first annular slot 322 is provided with a second annular slot 323, and the side wall of the second annular slot 323 is provided with an external thread 324;
The shell 2 is a horizontally placed cylinder, a third circular through hole 211 is formed in the left side part of the shell 2, a tenth placing groove 212 is formed in the right side part of the shell 2, an eleventh placing groove 213 is formed in the left side part of the inside of the tenth placing groove 212, a second internal thread 214 corresponding to the external thread 324 of the second annular slot 323 is formed in the inner side wall of the eleventh placing groove 213, a twelfth placing groove 215 is formed in the left side part of the inside of the eleventh placing groove 213, a thirteenth placing groove 216 is formed in the left side part of the twelfth placing groove 215, and a fourteenth placing groove 217 is formed in the left side part of the thirteenth placing groove 216;
The fourth O-ring 218 is disposed in the fourteenth slot 217, the deep groove ball bearing 612 of the left bearing set 6 is disposed in the thirteenth slot 216, the plane bearing 611 of the left bearing set 6 is disposed in the twelfth slot 215, the second internal thread 214 of the eleventh slot 213 is in threaded connection with the external thread 324 of the second annular slot 323, the tenth slot 212 is inserted into the first annular slot 322 of the outer side wall of the cover 3, a fifth O-ring 219 is disposed on the left side portion of the inside of the tenth slot, and the fifth 0-ring abuts against the right side portion of the second annular slot 323.
The specific installation process comprises the following steps:
Step one: two plane bearings 611 are inserted through the left end and the right end of the rotating shaft 1 respectively, and the two plane bearings 611 are propped against the spacing ring block 111;
Step two: two deep groove ball bearings 612 are respectively inserted through the left end and the right end of the rotating shaft 1, and the two deep groove ball bearings 612 respectively abut against the corresponding plane bearings 611;
Step three: a first O-shaped sealing ring 115 is placed in a first annular groove 113 of a second placing groove 112 of the rotating shaft 1, a first wave spring 7 is sleeved on the left side of the first alloy sealing ring 4, the left side of the first alloy sealing ring 4 is inserted into the right side part of the rotating shaft 1, the left side of the first alloy sealing ring 4 is positioned in the second placing groove 112, the right side of the first alloy sealing ring 4 is positioned in a first placing groove 116, two limiting blocks 512 of the first alloy sealing ring 4 are respectively positioned in two third placing grooves 114, the first O-shaped sealing ring 115 abuts against the outer side wall of the left side of the first alloy sealing ring 4, the first wave spring 7 is positioned in the first placing groove 116, and the first wave spring 7 abuts against the right side of the first alloy sealing ring 4;
Step four: a third O-shaped sealing ring 320 is arranged in a second annular groove 319 of a second circular through hole 311 of the cover body 3, a second wave spring 8 is sleeved on the left side of the second alloy sealing ring 5, the second alloy sealing ring 5 is inserted into the left side of the cover body 3, the second alloy sealing ring 5 is positioned in the second circular through hole 311, the left side of the second alloy sealing ring 5 is positioned in an eighth placing groove 316, two limiting blocks 512 of the second alloy sealing ring 5 are respectively positioned in two ninth placing grooves 317, the third O-shaped sealing ring 320 is abutted against the outer side wall of the right side of the second alloy sealing ring 5, the second wave spring 8 is positioned in an eighth placing groove 316, and the second wave spring 8 is abutted against the left side of the second alloy sealing ring 5;
Step five: a second O-ring 318 is placed in the sixth placement groove 314, a fourth O-ring 218 is placed in the fourteenth placement groove 217, and a fifth O-ring 219 is placed on the left inner side of the tenth placement groove 212;
Step six: the cover body 3 is inserted to the right side of the rotating shaft 1, the plane bearing 611 of the bearing group 6 on the right side is positioned in the fourth placing groove 312, the deep groove ball bearing 612 of the bearing group 6 on the right side is positioned in the fifth placing groove 313, the second O-shaped sealing ring 318 is pressed and sealed, the right side part of the rotating shaft 1 is positioned in the seventh placing groove 315, and the first alloy sealing ring 4 is abutted against the second alloy sealing ring 5;
Step seven: the shell 2 is inserted through the left side of the rotating shaft 1, a deep groove ball bearing 612 of a left bearing group 6 is positioned in a thirteenth placing groove 216, a plane bearing 611 of the left bearing group 6 is positioned in a twelfth placing groove 215, a sealing glue is smeared on an external thread 324 of a second annular slot 323, and a second internal thread 214 of an eleventh placing groove 213 is in threaded connection with the external thread 324 of the second annular slot 323;
At this time, the fourth O-ring 218 and the fifth O-ring 219 are both press-sealed.
The specific working process comprises the following steps:
Step one: the rotating shaft 1 is fixedly connected with the rotating roller, and the fixed pipeline is fixedly connected with the cover body 3;
Step two: the rotation shaft 1 rotates along with the rotation roller, the spacing ring block 111 rotates between the two plane bearings 611, the first alloy sealing ring 4 rotates along with the rotation shaft 1, and the shell 2 is fixed because the shell 2 is fixedly connected with the cover body 3;
Step three: the first alloy sealing ring 4 and the second alloy sealing ring 5 are abutted, the first alloy sealing ring 4 rotates, the sealing surfaces of the first alloy sealing ring 4 and the second alloy sealing ring 5 are worn, and at the moment, the first wave spring 7 and the second wave spring 8 rebound to ensure the sealing performance of the sealing surfaces.
The present embodiment is only for explanation of the present utility model and is not to be construed as limiting the present utility model, and modifications to the present embodiment, which may not creatively contribute to the present utility model as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present utility model.
Claims (9)
1. A rotary joint, characterized in that: the bearing comprises a rotating shaft (1), a shell (2), a cover body (3), a first alloy sealing ring (4), a second alloy sealing ring (5) and two groups of bearing groups (6);
The rotary shaft (1) is transversely placed, two groups of bearing groups (6) are fixedly sleeved on the right side of the rotary shaft (1), spacing ring blocks (111) are arranged between the two groups of bearing groups (1), and the spacing ring blocks (111) are fixedly connected with the rotary shaft (1);
The cover body (3) is sleeved on the right side of the rotating shaft (1), the first alloy sealing ring (4) is positioned on the right side part of the rotating shaft (1), the second alloy sealing ring (5) is positioned on the right side part of the inside of the cover body (3), a first wave spring (7) is arranged between the first alloy sealing ring (4) and the right side part of the rotating shaft (1), a second wave spring (8) is arranged between the second alloy sealing ring (5) and the right side part of the inside of the cover body (3), and the first alloy sealing ring (4) and the second alloy sealing ring (5) are propped against each other;
the shell (2) is sleeved on the outer side wall of the rotating shaft (1), the shell (2) is in threaded connection with the cover body (3), and the left side part of the inside of the shell (2) is propped against the left side part of the left bearing group (6).
2. A swivel according to claim 1, wherein: the first alloy sealing ring (4) is a cylindrical block with a vertical section in a ' ┤ ' shape, the vertical section of the second alloy sealing ring (5) is a cylindrical block with a ' shape, the right side parts of the first alloy sealing ring (4) and the second alloy sealing ring (5) are provided with first round perforations (511), and the outer side parts of the right side parts of the first alloy sealing ring (4) and the left side parts of the second alloy sealing ring (5) are provided with two semicircular limiting blocks (512).
3. A swivel according to claim 2, wherein: the rotary shaft (1) is in a circular tube shape, a first placing groove (116) is formed in the right side part of the rotary shaft (1), a second placing groove (112) is formed in the left side part of the first placing groove (116), a first annular groove (113) is formed in the side wall of the second placing groove (112), and two semicircular third placing grooves (114) are formed in the right side part of the rotary shaft (1);
The left side of the first alloy sealing ring (4) is inserted into the second placing groove (112), the right side of the first alloy sealing ring (4) is positioned in the first placing groove (116), two limiting blocks (512) of the first alloy sealing ring (4) are respectively positioned in two third placing grooves (114), a first O-shaped sealing ring (115) is arranged in the first annular groove (113), and the first O-shaped sealing ring (115) is propped against the outer side wall of the left side of the first alloy sealing ring (4);
The left side cover of first alloy sealing ring (4) is equipped with first wave spring (7), first wave spring (7) are located first standing groove (116), first wave spring (7) offsets with the right side of first alloy sealing ring (4).
4. A swivel according to claim 2, wherein: the two groups of bearing groups (6) comprise a plane bearing (611) and a deep groove ball bearing (612), the outer diameter of the plane bearing (611) is 1.1 times that of the deep groove ball bearing (612), the plane bearing (611) of the bearing group (6) positioned at the left side is positioned at the right side of the deep groove ball bearing (612), and the bearing group (6) positioned at the right side and the bearing group (6) positioned at the left side are placed in mirror symmetry along the spacing ring block (111).
5. A rotary joint according to claim 4, wherein: the cover body (3) is a cylinder which is transversely placed, a second round perforation (311) is formed in the right side part of the cover body (3), a fourth placing groove (312) is formed in the left side part of the cover body (3), a fifth placing groove (313) is formed in the right side part of the inside of the fourth placing groove (312), a sixth placing groove (314) is formed in the right side part of the inside of the fifth placing groove (313), a seventh placing groove (315) is formed in the right side part of the inside of the sixth placing groove (314), an eighth placing groove (316) is formed in the right side part of the inside of the seventh placing groove (315), and two semicircular ninth placing grooves (317) are formed in the right side part of the inside of the seventh placing groove (315);
The second alloy sealing ring (5) is inserted into the second round through hole (311), the left side of the second alloy sealing ring (5) is located in an eighth placing groove (316), two limiting blocks (512) of the second alloy sealing ring (5) are respectively located in two ninth placing grooves (317), a second wave spring (8) is sleeved on the right side of the second alloy sealing ring (5), the second wave spring (8) is located in the eighth placing groove (316), and the second wave spring (8) abuts against the left side of the second alloy sealing ring (5);
The plane bearing (611) of the bearing group (6) positioned on the right side is positioned in the fourth placing groove (312), the deep groove ball bearing (612) of the bearing group (6) positioned on the right side is positioned in the fifth placing groove (313), a second O-shaped sealing ring (318) is arranged in the sixth placing groove (314), and the right side part of the rotating shaft (1) is positioned in the seventh placing groove (315).
6. A rotary joint according to claim 5, wherein: the inside of second circular perforation (311) has seted up second annular groove (319), be equipped with third O type sealing washer (320) in second annular groove (319), third O type sealing washer (320) offset with the lateral wall on the right side of second alloy sealing ring (5).
7. A rotary joint according to claim 5, wherein: the second round through hole (311) positioned on the right side of the cover body (3) is provided with a first internal thread (321).
8. A rotary joint according to claim 5, wherein: a first annular slot (322) is formed in the left side of the outer side wall of the cover body (3), a second annular slot (323) is formed in the inner side wall of the first annular slot (322), and an external thread (324) is formed on the side wall of the second annular slot (323);
The shell (2) is a cylinder which is transversely placed, a third round through hole (211) is formed in the left side part of the shell (2), a tenth placing groove (212) is formed in the right side part of the shell (2), an eleventh placing groove (213) is formed in the left side part of the inside of the tenth placing groove (212), a second internal thread (214) corresponding to the external thread of the second annular slot (323) is formed in the inner side wall of the eleventh placing groove (213), a twelfth placing groove (215) is formed in the left side part of the inside of the eleventh placing groove (213), a thirteenth placing groove (216) is formed in the left side part of the twelfth placing groove (215), and a fourteenth placing groove (217) is formed in the left side part of the thirteenth placing groove (216);
A fourth O-shaped sealing ring (218) is placed in the fourteenth placing groove (217), a deep groove ball bearing (612) of the left bearing group (6) is located in the thirteenth placing groove (216), a plane bearing (611) of the left bearing group (6) is located in the twelfth placing groove (215), a second internal thread (214) of the eleventh placing groove (213) is in threaded connection with an external thread (324) of the second annular slot (323), and the tenth placing groove (212) is inserted into the first annular slot (322) of the outer side wall of the cover body (3).
9. A rotary joint according to claim 8, wherein: a fifth O-shaped sealing ring (219) is arranged on the left side part of the inside of the tenth placing groove (212), and the fifth 0-shaped sealing ring (219) is propped against the right side part of the second annular slot (323).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323032353.3U CN221004204U (en) | 2023-11-09 | 2023-11-09 | Rotary joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323032353.3U CN221004204U (en) | 2023-11-09 | 2023-11-09 | Rotary joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221004204U true CN221004204U (en) | 2024-05-24 |
Family
ID=91114222
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323032353.3U Active CN221004204U (en) | 2023-11-09 | 2023-11-09 | Rotary joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221004204U (en) |
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2023
- 2023-11-09 CN CN202323032353.3U patent/CN221004204U/en active Active
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