CN209839424U - A rotary joint for sanitation equipment - Google Patents
A rotary joint for sanitation equipment Download PDFInfo
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- CN209839424U CN209839424U CN201920730641.0U CN201920730641U CN209839424U CN 209839424 U CN209839424 U CN 209839424U CN 201920730641 U CN201920730641 U CN 201920730641U CN 209839424 U CN209839424 U CN 209839424U
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- rotating shaft
- shell
- sanitation equipment
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- liquid inlet
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Abstract
The utility model provides a rotary joint for environmental sanitation equipment, which comprises a shell and a rotating shaft; an annular cavity is arranged in the shell, a liquid inlet is arranged on the shell, a liquid outlet is arranged on the rotating shaft, and the liquid inlet, the annular cavity and the liquid outlet are sequentially communicated; mounting seats are symmetrically sleeved at two ends of the rotating shaft, a limiting groove is formed in the shell, a first annular bulge is arranged on each mounting seat, the first annular bulge and the outer circumferential surface of the rotating shaft are enclosed to form a mounting groove, and an elastic sealing ring is mounted in each mounting groove; the shell is symmetrically fixed with a gland, a second annular bulge is arranged on the gland, a tooth-shaped surface is arranged on the lower end surface of the second annular bulge, and the tooth-shaped surface abuts against the elastic sealing ring; a filter screen is arranged between the liquid inlet and the annular cavity, a limiting bulge is arranged on the inner wall of the liquid inlet, and a check ring is also arranged on the inner wall of the liquid inlet. The utility model provides a pair of a rotary joint for sanitation equipment has overcome the defect that current rotary joint leakproofness is poor, easy jam.
Description
Technical Field
The utility model relates to a rotary joint field especially relates to a rotary joint for sanitation equipment.
Background
The rotary joint is a sealed rotary connector capable of rotating 360 degrees to convey media, and the rotary joint is used for conveying liquid from the side of a pipeline into a rotating or reciprocating device and discharging the liquid from the rotating or reciprocating device. The field of application of rotary joints covers almost every manufacturing industry, such as: metallurgy, machine tools, power generation, petroleum, rubber, plastics, textile, printing and dyeing, pharmacy, cigarette, paper making, food, feed processing and the like. The environmental sanitation equipment also needs to use a rotary joint, such as a sprinkler, the existing rotary joint has poor sealing performance, and after the rotary joint is used for a period of time, a sealing ring is abraded, so that the leakage is serious, and the use is not facilitated; and current rotary joint is unsuitable for conveying water, and aquatic silt is more, and the pivot is easy to be blockked up, is not suitable for sanitation equipment.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model aims to solve the problem that a rotary joint for sanitation equipment is provided to overcome the defect that current rotary joint leakproofness is poor, easily block up.
(II) technical scheme
In order to solve the technical problem, the utility model provides a rotary joint for environmental sanitation equipment, which comprises a shell and a rotating shaft; an annular cavity is arranged in the shell, a liquid inlet is arranged on the outer circumferential surface of the shell, a liquid outlet is arranged on the rotating shaft along the axial direction, and the liquid inlet, the annular cavity and the liquid outlet are sequentially communicated; mounting seats are symmetrically sleeved at two ends of the rotating shaft, limiting grooves used for limiting the mounting seats are formed in the shell, first annular bulges are axially arranged on the mounting seats, mounting grooves are formed by the first annular bulges and the outer circumferential surface of the rotating shaft in a surrounding mode, and elastic sealing rings are mounted in the mounting grooves; the shell is symmetrically fixed with a gland, a second annular bulge matched with the mounting groove is arranged on the gland, a toothed surface is arranged on the lower end surface of the second annular bulge, the second annular bulge extends into the mounting groove, and the toothed surface abuts against the upper end surface of the elastic sealing ring; the inlet with install the filter screen between the annular chamber, be provided with on the inlet inner wall and be used for spacingly the spacing arch of filter screen, still install on the inlet inner wall and be used for fixing the retaining ring of filter screen.
Further, bearings are symmetrically installed at two ends of the shell, the bearings are sleeved at two ends of the rotating shaft, bearing end covers are symmetrically fixed at two ends of the shell, and adjusting rings are installed between the bearing end covers and the bearings.
Further, the bearing is a tapered roller bearing.
Furthermore, an O-shaped ring is arranged on the joint surface of the shell and the bearing end cover.
Furthermore, a GREEN ring is arranged on the joint surface of the rotating shaft and the bearing end cover.
Furthermore, the liquid inlet is in threaded connection with an external hose, and a sealing element is arranged between the hose and the shell.
Furthermore, the rotating shaft penetrates through the shell, and two ends of the rotating shaft extend out of the shell; and the two ends of the rotating shaft are respectively provided with an external thread used for being connected with an external part.
Furthermore, the upper end of the rotating shaft is connected with an external motor, and the lower end of the rotating shaft is connected with an external spray head.
Furthermore, a plurality of through holes which are respectively communicated with the liquid outlet are formed in the position, corresponding to the annular cavity, on the outer circumferential surface of the rotating shaft, and the through holes are communicated with the annular cavity; the through holes comprise a first through hole and a second through hole, and the first through hole and the second through hole are distributed in a 90-degree cross mode.
Furthermore, the mounting seat with all be provided with the centre bore on the gland, the gland is provided with the flange along circumference, annular equidistant a plurality of through-holes that are used for the construction bolt that are provided with on the flange.
(III) advantageous effects
The utility model provides a rotary joint for environmental sanitation equipment, which has simple structure and convenient installation; the rotating shaft is sleeved with the mounting seat, a mounting groove for mounting the elastic sealing ring is formed by the mounting seat and the rotating shaft in a surrounding mode, the gland is provided with a second annular bulge, the tooth-shaped surface of the second annular bulge tightly presses the elastic sealing ring, and the elastic sealing ring expands in the circumferential direction after being extruded, so that the elastic sealing ring is in closer contact with the rotating shaft, the sealing effect is better, and the service life is longer; the filter screen is arranged at the liquid inlet, so that silt in water is effectively filtered, the rotating shaft and the spray head are prevented from being blocked, and the filter screen is fixed through the check ring, so that the filter screen is convenient to disassemble and clean; the defects of poor sealing performance and easy blockage of the conventional rotary joint are overcome.
Drawings
Fig. 1 is a schematic structural view of a rotary joint for sanitation equipment according to the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is an enlarged view of portion B of FIG. 1;
fig. 4 is a schematic structural view of a rotary joint rotating shaft for environmental sanitation equipment according to the present invention;
fig. 5 is a schematic structural view of a rotary joint housing for environmental sanitation equipment according to the present invention;
the corresponding part names for the various reference numbers in the figures are: 1. a housing; 2. a rotating shaft; 3. a mounting seat; 4. mounting grooves; 5. an elastic sealing ring; 6. a gland; 7. a filter screen; 8. a retainer ring; 9. a bearing; 10. a bearing end cap; 11. an adjustment ring; 12. an O-shaped ring; 13. a Glare circle; 14. a hose; 15. a spray head; 101. an annular cavity; 102. a liquid inlet; 103. a limiting groove; 104. a limiting bulge; 201. a liquid outlet; 202. an external thread; 203. a first through hole; 204. a second through hole; 301. a first annular projection; 601. a second annular projection; 602. a toothed surface; 603. a flange.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
Referring to fig. 1 to 5, the present invention provides a rotary joint for sanitation equipment, which includes a housing 1 and a rotating shaft 2; an annular cavity 101 is arranged in the shell 1, a liquid inlet 102 communicated with the annular cavity 101 is arranged on the outer circumferential surface of the shell 1, a liquid outlet 201 is arranged on the rotating shaft 2 along the axial direction, the top end of the liquid outlet 201 is closed, a plurality of through holes respectively communicated with the liquid outlet 201 are arranged on the outer circumferential surface of the rotating shaft 2 at positions corresponding to the annular cavity 101, and the through holes are communicated with the annular cavity 101; the through holes comprise a first through hole 203 and a second through hole 204, the first through hole 203 and the second through hole 204 are distributed in a 90-degree cross mode, and the first through hole 203 and the second through hole 204 are distributed in a 90-degree cross mode, so that the transmission efficiency is improved, the stability of the rotating shaft 2 is guaranteed, and the rotating shaft is prevented from being twisted off.
Referring to fig. 1 to 3, mounting seats 3 are symmetrically sleeved at two ends of a rotating shaft 2, a limiting groove 103 for limiting the mounting seats 3 is formed in a casing 1, a first annular protrusion 301 is axially formed in the mounting seats 3, the first annular protrusion 301 and the outer circumferential surface of the rotating shaft 2 define a mounting groove 4, an elastic sealing ring 5 is mounted in the mounting groove 4, and the elastic sealing ring 5 is specifically an O-ring. The pressing covers 6 are symmetrically fixed on the shell 1, central holes which are convenient for the rotating shaft 2 to penetrate through are formed in the mounting seat 3 and the pressing cover 6, the pressing cover 6 is provided with flanges 603 along the circumferential direction, four through holes used for mounting bolts are formed in the flanges 603 in an annular and equidistant mode, and the pressing cover 6 is fixed on the shell 1 through the four bolts. The gland 6 is provided with a second annular bulge 601 matched with the mounting groove 4, the lower end surface of the second annular bulge 601 is provided with a tooth-shaped surface 602, the second annular bulge 601 extends into the mounting groove 4, and the tooth-shaped surface 602 abuts against the upper end surface of the elastic sealing ring 5. A filter screen 7 is arranged between the liquid inlet 102 and the annular cavity 101, a limiting bulge 104 used for limiting the filter screen 7 is arranged on the inner wall of the liquid inlet 102, a check ring 8 used for fixing the filter screen 7 is further arranged on the inner wall of the liquid inlet 102, and the check ring 8 is specifically a hole check ring.
In the embodiment, the rotating shaft 2 is sleeved with the mounting seat 3, the first annular bulge 301 on the mounting seat 3 and the rotating shaft 2 enclose the mounting groove 4 for mounting the elastic sealing ring 5, the gland 6 is provided with the second annular bulge 601, the tooth-shaped surface 602 of the second annular bulge 601 tightly presses the elastic sealing ring 5, and the elastic sealing ring 5 expands in the circumferential direction after being extruded, so that the elastic sealing ring 5 is in closer contact with the rotating shaft 2, the sealing effect is better, and the service life is longer; install filter screen 7 in inlet 102 department, the silt of effective filtration aquatic avoids pivot 2 and shower nozzle 15 to block up, and filter screen 7 is fixed through retaining ring 8 moreover, as long as take off retaining ring 8 just take off filter screen 7 rapidly, conveniently dismantles the washing.
Referring to fig. 1, bearings 9 are symmetrically installed at two ends of a housing 1, the bearings 9 are sleeved at two ends of a rotating shaft 2, the bearings 9 are tapered roller bearings, and the tapered roller bearings can bear large radial load and axial load, so that stress of a rotary joint can be balanced, and vibration between components can be reduced. Bearing end covers 10 are symmetrically fixed at two ends of the shell 1, an adjusting ring 11 is installed between the bearing end covers 10 and the bearing 9, and the adjusting ring 11 is arranged to facilitate installation of the bearing end covers 10.
Referring to fig. 1, in order to ensure good sealing performance, an O-ring 12 is installed on a joint surface of a housing 1 and a bearing end cover 10, a gray ring 13 is installed on a joint surface of a rotating shaft 2 and the bearing end cover 10, the gray ring 13 is formed by combining a rubber O-ring and a polytetrafluoroethylene ring, the gray ring is a double-acting piston seal, friction force is low, starting force is small, high pressure is resisted, sealing performance of a rotary joint is effectively ensured, and the gray ring 13 is specifically a shaft-used gray ring.
Referring to fig. 1, an inner thread is disposed on an inner wall of the liquid inlet 102, the liquid inlet 102 is connected to an external hose 14 through a thread, and a sealing member, specifically an O-ring, is disposed between the hose 14 and the housing 1 to prevent water leakage.
Referring to fig. 1, a rotating shaft 2 penetrates through a housing 1, and two ends of the rotating shaft 2 extend out of the housing 1; the two ends of the rotating shaft 2 are respectively provided with an external thread 202 used for being connected with an external part, the upper end of the rotating shaft 2 is connected with an external motor, the lower end of the rotating shaft is connected with an external spray head 15, the rotating shaft 2 is driven to rotate through the motor, and the spray head 15 at the lower end sprays water uninterruptedly to achieve the effect of cleaning the ground.
The rotary joint for the environmental sanitation equipment is simple in structure and convenient to install; the structure is simple, and the installation is convenient; the rotating shaft is sleeved with the mounting seat, a mounting groove for mounting the elastic sealing ring is formed by the mounting seat and the rotating shaft in a surrounding mode, the gland is provided with a second annular bulge, the tooth-shaped surface of the second annular bulge tightly presses the elastic sealing ring, and the elastic sealing ring expands in the circumferential direction after being extruded, so that the elastic sealing ring is in closer contact with the rotating shaft, the sealing effect is better, and the service life is longer; the filter screen is arranged at the liquid inlet, so that silt in water is effectively filtered, the rotating shaft and the spray head are prevented from being blocked, and the filter screen is fixed through the check ring, so that the filter screen is convenient to disassemble and clean; the defects of poor sealing performance and easy blockage of the conventional rotary joint are overcome.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A rotary joint for sanitation equipment, characterized in that: comprises a shell (1) and a rotating shaft (2); an annular cavity (101) is arranged in the shell (1), a liquid inlet (102) is arranged on the outer circumferential surface of the shell (1), a liquid outlet (201) is arranged on the rotating shaft (2) along the axial direction, and the liquid inlet (102), the annular cavity (101) and the liquid outlet (201) are sequentially communicated; the mounting seat (3) is symmetrically sleeved at two ends of the rotating shaft (2), a limiting groove (103) used for limiting the mounting seat (3) is formed in the shell (1), a first annular bulge (301) is axially arranged on the mounting seat (3), a mounting groove (4) is formed by the first annular bulge (301) and the outer circumferential surface of the rotating shaft (2) in a surrounding mode, and an elastic sealing ring (5) is mounted in the mounting groove (4); the pressing covers (6) are symmetrically fixed on the shell (1), second annular bulges (601) matched with the mounting grooves (4) are arranged on the pressing covers (6), toothed surfaces (602) are arranged on the lower end surfaces of the second annular bulges (601), the second annular bulges (601) extend into the mounting grooves (4), and the toothed surfaces (602) abut against the upper end surfaces of the elastic sealing rings (5); the liquid inlet (102) and a filter screen (7) are installed between the annular cavities (101), the inner wall of the liquid inlet (102) is provided with a limiting protrusion (104) used for limiting the filter screen (7), and the inner wall of the liquid inlet (102) is further provided with a retainer ring (8) used for fixing the filter screen (7).
2. A swivel joint for sanitation equipment as claimed in claim 1, wherein: bearing (9) are installed to casing (1) both ends symmetry, bearing (9) suit is in pivot (2) both ends, casing (1) both ends symmetry is fixed with bearing end cover (10), bearing end cover (10) with install adjusting ring (11) between bearing (9).
3. A swivel joint for sanitation equipment as claimed in claim 2, wherein: the bearing (9) is a tapered roller bearing.
4. A swivel joint for sanitation equipment as claimed in claim 3, wherein: and an O-shaped ring (12) is arranged on the joint surface of the shell (1) and the bearing end cover (10).
5. A swivel joint for sanitation equipment as claimed in claim 4, wherein: and a GREEN ring (13) is arranged on the joint surface of the rotating shaft (2) and the bearing end cover (10).
6. A swivel joint for sanitation equipment as claimed in claim 5, wherein: the liquid inlet (102) is in threaded connection with an external hose (14), and a sealing element is arranged between the hose (14) and the shell (1).
7. A swivel joint for sanitation equipment as claimed in claim 1, wherein: the rotating shaft (2) penetrates through the shell (1), and two ends of the rotating shaft (2) extend out of the shell (1); and external threads (202) used for being connected with an external part are respectively arranged at two ends of the rotating shaft (2).
8. A swivel joint for sanitation equipment as claimed in claim 7, wherein: the upper end of the rotating shaft (2) is connected with an external motor, and the lower end of the rotating shaft is connected with an external spray head (15).
9. A swivel joint for sanitation equipment as claimed in claim 8, wherein: a plurality of through holes which are respectively communicated with the liquid outlet (201) are formed in the outer circumferential surface of the rotating shaft (2) at the position corresponding to the annular cavity (101), and the through holes are communicated with the annular cavity (101); the through holes comprise a first through hole (203) and a second through hole (204), and the first through hole (203) and the second through hole (204) are distributed in a 90-degree crossed mode.
10. A swivel joint for sanitation equipment as claimed in claim 1, wherein: the mounting seat (3) and the gland (6) are provided with center holes, the gland (6) is provided with a flange (603) along the circumferential direction, and a plurality of through holes for mounting bolts are annularly and equidistantly arranged on the flange (603).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920730641.0U CN209839424U (en) | 2019-05-21 | 2019-05-21 | A rotary joint for sanitation equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920730641.0U CN209839424U (en) | 2019-05-21 | 2019-05-21 | A rotary joint for sanitation equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209839424U true CN209839424U (en) | 2019-12-24 |
Family
ID=68897596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920730641.0U Active CN209839424U (en) | 2019-05-21 | 2019-05-21 | A rotary joint for sanitation equipment |
Country Status (1)
| Country | Link |
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| CN (1) | CN209839424U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111594681A (en) * | 2020-06-19 | 2020-08-28 | 江苏贝特管件有限公司 | End face sealing structure of rotary compensator and rotary compensator |
| CN112325069A (en) * | 2020-10-29 | 2021-02-05 | 武汉滨湖电子有限责任公司 | Pitching transmission device and bearing clearance adjusting method thereof |
-
2019
- 2019-05-21 CN CN201920730641.0U patent/CN209839424U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111594681A (en) * | 2020-06-19 | 2020-08-28 | 江苏贝特管件有限公司 | End face sealing structure of rotary compensator and rotary compensator |
| CN112325069A (en) * | 2020-10-29 | 2021-02-05 | 武汉滨湖电子有限责任公司 | Pitching transmission device and bearing clearance adjusting method thereof |
| CN112325069B (en) * | 2020-10-29 | 2022-06-28 | 武汉滨湖电子有限责任公司 | Pitching transmission device and bearing clearance adjusting method thereof |
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