CN220228243U - Portable ultrahigh-pressure water rotator - Google Patents
Portable ultrahigh-pressure water rotator Download PDFInfo
- Publication number
- CN220228243U CN220228243U CN202320516913.3U CN202320516913U CN220228243U CN 220228243 U CN220228243 U CN 220228243U CN 202320516913 U CN202320516913 U CN 202320516913U CN 220228243 U CN220228243 U CN 220228243U
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- sealing ring
- rotating shaft
- wall
- pressure water
- hollow rotating
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 63
- 238000007789 sealing Methods 0.000 claims description 91
- 239000004699 Ultra-high molecular weight polyethylene Substances 0.000 claims description 7
- 229920000785 ultra high molecular weight polyethylene Polymers 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 2
- 210000001503 joint Anatomy 0.000 claims 2
- 230000008901 benefit Effects 0.000 abstract description 6
- 238000005457 optimization Methods 0.000 description 9
- 239000000306 component Substances 0.000 description 6
- 238000004140 cleaning Methods 0.000 description 4
- 239000004698 Polyethylene Substances 0.000 description 3
- -1 polyethylene Polymers 0.000 description 3
- 229920000573 polyethylene Polymers 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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- Joints Allowing Movement (AREA)
Abstract
The utility model discloses a portable ultrahigh-pressure water rotating body, which comprises an outer shell with a cavity inside, wherein the outer shell is formed by connecting a tailstock and a front cover end to end; one end of the hollow rotating shaft is rotatably arranged in the cavity, and the other end of the hollow rotating shaft extends out of the end face of the front cover and is provided with a water outlet port; a water inlet interface is arranged on the end face of the tailstock; the pair of angle contact bearings are sleeved in the middle of the hollow rotating shaft side by side and are arranged on one side close to the end face of the front cover. The utility model has simple and light structure, and the pair of angle contact bearings are arranged in series, so that the outline dimension is greatly reduced, the bearing capacity is improved, and the utility model has the advantage of light weight.
Description
Technical Field
The utility model belongs to the technical field of high-pressure water cleaning, and particularly relates to a portable ultrahigh-pressure water rotating body.
Background
In the technical field of high-pressure water cleaning, the ultrahigh-pressure water hose coiler can be used. The ultrahigh-pressure water rotating body is a core component of the ultrahigh-pressure water coil pipe machine, and the coil pipe machine rotates in the running process, but a connecting pipeline for conveying high-pressure water cannot rotate, so that the ultrahigh-pressure water rotating body is required to be used as a connecting transition component.
The prior art is a high-pressure water rotator, for example, a high-pressure water jet rotator, which is disclosed in Chinese patent document No. CN 105013636A. The problem when the device is applied to a hose coiling machine is that the existing ultrahigh-pressure water rotating body is quite large in size and weight, quite inconvenient to maintain and unfavorable for the improvement of light weight of the hose coiling machine. Some automatic cleaning devices, such as cleaning mechanisms using a robot arm, require even a coiler to be integrally mounted on the robot arm, and require a more lightweight high-pressure water rotating body.
Disclosure of Invention
In order to overcome the defects in the background art, the utility model provides a portable ultrahigh-pressure water rotating body, and aims to design a lighter high-pressure water rotating body and also consider the capability of bearing axial load so as to meet the requirements of an ultrahigh-pressure water hose coiler.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
a portable ultra-high pressure water rotator comprises an outer shell with a cavity inside, wherein the outer shell is formed by connecting a tail seat and a front cover end to end; one end of the hollow rotating shaft is rotatably arranged in the cavity, and the other end of the hollow rotating shaft extends out of the end face of the front cover and is provided with a water outlet port; a water inlet interface is arranged on the end face of the tailstock; the pair of angle contact bearings are sleeved in the middle of the hollow rotating shaft side by side and are arranged on one side close to the end face of the front cover.
As a further optimization, a first sealing component is arranged at one end of the hollow rotating shaft, which is positioned in the cavity, and is used for sealing a gap between the hollow rotating shaft and the inner wall of the tailstock.
As further optimization, the first sealing component comprises a locking nut and a first sealing ring which are sleeved on the outer side of the hollow rotating shaft; the outer wall of the lock nut is connected with the inner wall of the tailstock through threads, and the inner wall of the lock nut is in clearance fit with the outer wall of the hollow rotating shaft; the outer wall of the first sealing ring is abutted with the inner wall of the tailstock, and the inner wall of the first sealing ring is abutted with the outer wall of the hollow rotating shaft;
a conical opening is formed in the end face of one side of the lock nut; a conical head part is arranged on the end face of one side of the first sealing ring; the tapered head is inserted in the tapered mouth.
As a further optimization, the first sealing ring is an ultra-high molecular weight polyethylene sealing ring.
As further optimization, an annular groove is formed in the outer wall of the ultra-high molecular weight polyethylene sealing ring, and a second sealing ring is arranged in the annular groove.
As further optimization, the second sealing ring is an O-shaped rubber ring.
As further optimization, the end face of the lock nut, which is far away from one side of the first sealing ring, is provided with a plug hole for connecting a screwing tool.
As a further optimization, the hollow rotating shaft is further provided with a second sealing assembly, and the second sealing assembly is sleeved on the hollow rotating shaft and is positioned between the lock nut and the angular contact bearing and used for sealing a gap between the hollow rotating shaft and the inner wall of the front cover.
As a further optimization, the second sealing component comprises a sealing ring plate with a through hole in the center; the inner wall of the sealing ring plate is provided with a first framework oil seal, and the outer wall of the sealing ring plate is provided with a third sealing ring.
As a further optimization, on the front cover, an overflow hole is formed at the interval between the second sealing component and the locking nut.
The utility model has the beneficial effects that:
(1) Simple structure and very light weight. The radial dimension of the high-pressure water rotating body is limited mainly by the pressure load, and is difficult to shrink. However, compared with the high-pressure water jet rotating body described in the background art, the pair of bearings of the embodiment are all located in the front cover instead of the tailstock, so that the space in the front cover is fully utilized, the structure is compact, and the axial and radial outline dimensions of the device can be greatly reduced, so that the device has the advantage of light weight.
(2) The inner hole of the hollow rotating shaft is larger, and the pressure loss of the ultrahigh-pressure water flowing through the hollow rotating shaft is small. The first sealing assembly adopts an external sealing mode, the size of the inner hole of the hollow rotating shaft is not limited, and the trafficability of water flow is guaranteed.
(3) The sealing performance, the supporting performance and the service life of the polyethylene sealing ring exceeding the molecular weight are all good.
(4) The pressure-bearing members are stressed reasonably, sealed safely and reliably and have long service life.
In a word, this device simple structure, very light, set up side by side through a pair of angle contact bearing, reduced overall dimension by a wide margin to have the advantage of lightweight.
Drawings
FIG. 1 is a schematic structural view of embodiment 1 of the present utility model;
fig. 2 is a schematic view of the structure of embodiment 1 of the present utility model when it is mounted under a pipe tray.
In the figure: the water inlet device comprises a tail seat 1, a water inlet port 11, a front cover 2, an overflow hole 21, a hollow rotating shaft 3, a water outlet port 31, an angular contact bearing 4, a locking nut 5, a conical opening 51, a plug hole 52, a first sealing ring 6, a conical head 61, a second sealing ring 62, a sealing ring plate 7, a first framework oil seal 71, a third sealing ring 72, a second framework oil seal 8, a pipe disc 9, a high-pressure hose 91, a connecting pipe 92 and a portable ultrahigh-pressure water rotating body 10.
Detailed Description
The following description of the embodiments of the present utility model will be made more fully hereinafter with reference to the accompanying drawings, in which it is evident that the embodiments thus described are only some, but not all, of the preferred embodiments of the present utility model. It should be understood by those skilled in the art that these embodiments are merely for explaining the technical principles of the present utility model, and are not intended to limit the scope of the present utility model.
Example 1: please refer to fig. 1-2;
the utility model provides the following technical scheme: a portable ultra-high pressure water rotator is applied to a high pressure water hose coiler, wherein the coiler comprises a pipe plate, and a collected high pressure water hose is held in the pipe plate.
The portable ultrahigh-pressure water rotating body is connected to the lower part of the center of the pipe disc and comprises an outer shell with a cavity inside, wherein the outer shell is formed by connecting a tailstock 1 and a front cover 2 end to end; the tail seat 1 is provided with an external thread at one end, and is matched with an internal thread preset on the front cover 2, and is detachably connected, so that the tail seat is convenient to detach and overhaul. One end of the hollow rotating shaft 3 is rotatably arranged in the cavity, and the other end of the hollow rotating shaft extends out of the end face of the front cover 2 and is provided with a water outlet interface 31; the end face of the tailstock 1 is provided with a water inlet interface 11.
The key point is that a pair of angle contact bearings 4 are sleeved in the middle of the hollow rotating shaft 3 side by side and are arranged on one side close to the end face of the front cover 2. Since the angular contact bearing 4 has the capability of bearing axial load, the axial stress of the hollow rotating shaft 3 can be overcome. In addition, install two bearings side by side, do not have unnecessary idle space between two bearings to the length of hollow pivot 3 has been reduced on the whole, and the length of shell body, and then can make the whole axial dimensions of this embodiment reduce by a wide margin, and whole weight reduces thereupon, reaches the purpose of lightweight.
Because the speed of rotation of the tube disc of the high-pressure water hose coiler is low, the two bearings are arranged side by side and do not affect the stability of the hollow rotating shaft 3 during rotation. But as a more preferred embodiment, a first sealing assembly is provided at one end of the hollow shaft 3 located in the cavity, for sealing a gap between the hollow shaft 3 and the inner wall of the tailstock 1. The first sealing assembly plays a role in sealing and simultaneously plays a role in stably supporting the end part of the hollow rotating shaft 3.
The first sealing assembly comprises a locking nut 5 and a first sealing ring 6 which are sleeved on the outer side of the hollow rotating shaft 3; the outer wall of the lock nut 5 is connected with the inner wall of the tailstock 1 through threads, and the inner wall of the lock nut is in clearance fit with the outer wall of the hollow rotating shaft 3; the outer wall of the first sealing ring 6 is abutted with the inner wall of the tailstock 1, and the inner wall of the first sealing ring is abutted with the outer wall of the hollow rotating shaft 3; a conical opening 51 is arranged on the end surface of one side of the lock nut 5; a conical head 61 is arranged on one end face of the first sealing ring 6; the tapered head 61 is inserted into the tapered mouth 51. The first sealing ring 6 is an ultra-high molecular weight polyethylene sealing ring. Wherein, in order to be convenient for dismouting, lock nut 5 is kept away from be equipped with spliced eye 52 on the terminal surface of first sealing washer 6 one side for connect and twist the instrument.
It can be understood that the high-pressure water flow pushes the first sealing ring 6 to push the locking nut 5, and as the conical head 61 is inserted into the conical opening 51, the hardness of the locking nut 5 made of steel material is higher than that of the first sealing ring 6, the conical head 61 is driven to deform to be closely attached to the outer wall of the hollow rotating shaft 3, so that the sealing effect is improved. Moreover, the ultra-high molecular weight polyethylene sealing ring can be also called a spring energy storage sealing ring, has the comprehensive properties of wear resistance, impact resistance, self lubrication, corrosion resistance, difficult water absorption, low density and the like which are incomparable with common polyethylene and other engineering plastics, and has good sealing effect.
In order to further improve the tightness, an annular groove is formed in the outer wall of the ultra-high molecular weight polyethylene sealing ring, and a second sealing ring 62 is arranged in the annular groove. The second sealing ring 62 is an O-type rubber ring.
In order to protect the bearing from water flow, further improvement in sealability is required. The novel hollow rotating shaft comprises a hollow rotating shaft 2, and is characterized by further comprising a second sealing assembly, wherein the second sealing assembly is sleeved on the hollow rotating shaft 3 and is positioned between the lock nut 5 and the angular contact bearing 4 and used for sealing a gap between the hollow rotating shaft 3 and the inner wall of the front cover 2. The second sealing assembly comprises a sealing ring plate 7 with a through hole in the center; the inner wall of the sealing ring plate 7 is provided with a first framework oil seal 71, and the outer wall of the sealing ring plate is provided with a third sealing ring 72. Wherein the third seal 72 is also an O-ring.
According to the thought of dredging and blocking combination, sealing measures are added, meanwhile, overflow holes 21 are formed in the front cover 2 at intervals between the second sealing assembly and the locking nut 5, so that water flow missing from the sealing structure can be discharged in time, and sealing pressure is relieved.
When the device is used, high-pressure water flow is input from the water inlet interface 11, the first sealing ring 6 is pushed to the direction of the locking nut 5, the first sealing component seals the gap between the hollow rotating shaft 3 and the inner wall of the tailstock 1, the water flow is driven to enter the inner cavity of the hollow rotating shaft 3 and is discharged from the water outlet at the other end, and the hollow rotating shaft 3 can freely rotate in the outer shell, so that the device can be used as a soft connector of the high-pressure water.
The advantages of this embodiment are:
(1) Simple structure and very light weight. The radial dimension of the high-pressure water rotating body is limited mainly by the pressure load, and is difficult to shrink. However, compared with the high-pressure water jet rotating body described in the background art, the pair of bearings of the present embodiment are located in the front cover 2 instead of the tailstock 1, so that the space in the front cover 2 is fully utilized, and the structure is compact, so that the axial and radial outline dimensions of the present embodiment can be greatly reduced, and the present embodiment has the advantage of light weight.
(2) The inner hole of the hollow rotating shaft 3 is larger, and the pressure loss of the ultrahigh-pressure water flowing through the utility model is small. The first sealing assembly adopts an external sealing mode, the size of the inner hole of the hollow rotating shaft 3 is not limited, and the water flow passing property is guaranteed.
(3) The sealing performance, the supporting performance and the service life of the polyethylene sealing ring exceeding the molecular weight are all good.
(4) The pressure-bearing members are stressed reasonably, sealed safely and reliably and have long service life.
In a word, this device simple structure, very light, set up side by side through a pair of angle contact bearing 4, reduced overall dimension by a wide margin to have the advantage of lightweight.
The utility model has not been described in detail in the prior art; it should be understood by those skilled in the art that any combination of the features of the foregoing embodiments may be adopted, and that all possible combinations of the features of the foregoing embodiments are not described for brevity of description, however, such combinations are not to be considered as a contradiction between the features. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (10)
1. A portable ultra-high pressure water rotator comprises an outer shell with a cavity inside, wherein the outer shell is formed by connecting a tailstock (1) and a front cover (2) end to end; one end of the hollow rotating shaft (3) is rotatably arranged in the cavity, and the other end of the hollow rotating shaft extends out of the end face of the front cover (2) and is provided with a water outlet interface (31); the end face of the tailstock (1) is provided with a water inlet interface (11); the method is characterized in that: a pair of angle contact bearings (4) are sleeved in the middle of the hollow rotating shaft (3) side by side and are arranged on one side close to the end face of the front cover (2).
2. The portable ultra-high pressure water rotating body according to claim 1, wherein: and a first sealing component is arranged at one end of the hollow rotating shaft (3) positioned in the cavity and is used for sealing a gap between the hollow rotating shaft (3) and the inner wall of the tailstock (1).
3. The portable ultra-high pressure water rotating body according to claim 2, wherein: the first sealing assembly comprises a locking nut (5) and a first sealing ring (6) which are sleeved on the outer side of the hollow rotating shaft (3) and can elastically deform; the outer wall of the lock nut (5) is connected with the inner wall of the tailstock (1) through threads, and the inner wall of the lock nut is in clearance fit with the outer wall of the hollow rotating shaft (3); the outer wall of the first sealing ring (6) is in butt joint with the inner wall of the tailstock (1), and the inner wall of the first sealing ring is in butt joint with the outer wall of the hollow rotating shaft (3);
a conical opening (51) is arranged on the end face of one side of the lock nut (5); a conical head (61) is arranged on one end face of the first sealing ring (6); the tapered head (61) is inserted in the tapered mouth (51).
4. A portable ultra-high pressure water rotator according to claim 3, wherein: the first sealing ring (6) is an ultra-high molecular weight polyethylene sealing ring.
5. The portable ultra-high pressure water rotating body according to claim 4, wherein: an annular groove is formed in the outer wall of the ultra-high molecular weight polyethylene sealing ring, and a second sealing ring (62) is arranged in the annular groove.
6. The portable ultra-high pressure water rotating body according to claim 5, wherein: the second sealing ring (62) is an O-shaped rubber ring.
7. The portable ultra-high pressure water rotating body according to claim 6, wherein: and an inserting hole (52) is formed in the end face, far away from one side of the first sealing ring (6), of the locking nut (5) and is used for being connected with a screwing tool.
8. The portable ultra-high pressure water rotating body according to any one of claims 3-7, wherein: the novel hollow rotating shaft comprises a front cover (2) and is characterized by further comprising a second sealing assembly, wherein the second sealing assembly is sleeved on the hollow rotating shaft (3) and is positioned between the lock nut (5) and the angular contact bearing (4) and used for sealing a gap between the hollow rotating shaft (3) and the inner wall of the front cover (2).
9. The portable ultra-high pressure water rotating body according to claim 8, wherein: the second sealing assembly comprises a sealing ring plate (7) with a through hole in the center; the inner wall of the sealing ring plate (7) is provided with a first framework oil seal (71), and the outer wall of the sealing ring plate is provided with a third sealing ring (72).
10. The portable ultra-high pressure water rotating body according to claim 9, wherein: and an overflow hole (21) is formed in the front cover (2) at the interval between the second sealing assembly and the locking nut (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320516913.3U CN220228243U (en) | 2023-03-16 | 2023-03-16 | Portable ultrahigh-pressure water rotator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320516913.3U CN220228243U (en) | 2023-03-16 | 2023-03-16 | Portable ultrahigh-pressure water rotator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220228243U true CN220228243U (en) | 2023-12-22 |
Family
ID=89184976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320516913.3U Active CN220228243U (en) | 2023-03-16 | 2023-03-16 | Portable ultrahigh-pressure water rotator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220228243U (en) |
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2023
- 2023-03-16 CN CN202320516913.3U patent/CN220228243U/en active Active
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