High-pressure rotator

By using deep groove ball bearings and fluoroelastic O-rings in high-pressure rotors and using rotating friction discs made of tungsten alloy material, the problem of easy impurities and poor sealing performance of the bearings is solved, and higher sealing performance and longer service life are achieved.

CN222830221UActive Publication Date: 2025-05-06NINGBO HEJIE CLEANING EQUIP
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Patent Information

Application Number
CN202421649718.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-12
Publication Date
2025-05-06
Estimated Expiration
2034-07-12

AI Technical Summary

Technical Problem

The bearings of high-pressure rotors are easily mixed with impurities, resulting in shortening of service life and poor sealing performance, resulting in water leakage.

Method used

A high-pressure rotator is designed, using deep groove ball bearings and a fluoroelastic O-ring is installed in key parts, and a rotating friction disc made of tungsten steel alloy material improves sealing performance and service life.

Benefits of technology

It effectively improves the sealing performance of high-pressure rotator, extends service life, and avoids the problem of water leakage.

✦ Generated by Eureka AI based on patent content.

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Abstract

The high-pressure rotator comprises a rotating rod and a connector arranged in the middle of the rotating rod, water outlets are formed in the two tail ends of the rotating rod, a connecting pipe matched with the connector is arranged in the middle of the rotating rod, the connector comprises a conversion connector, a lower shell and an upper shell, and the conversion connector is sleeved with the lower shell and the upper shell. A water inlet is formed in the top of the upper shell, and deep groove ball bearings are sequentially arranged above the adapter from bottom to top in a sleeving mode. According to the high-pressure rotator, the fluororubber O-shaped sealing rings are arranged at the matching position of the bottom of the lower shell and the conversion connector, the matching position of the inner side wall of the lower shell and the outer side of the lining and the position between the inner side of the blank cap and the outer side of the conversion connector, so that the sealing performance of the high-pressure rotator is improved; the first rotating friction disc and the second rotating friction disc are both made of tungsten steel alloy materials, abrasion resistance and sealing performance are good, and the service life is long.
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Description

Technical Field

[0001] The utility model relates to a high-voltage rotator. Background Art

[0002] The high-pressure rotator drives high-pressure water to wash the surface of an object through the rotator, which can simply and efficiently remove dirt from the surface of the object. It is mostly used to clean urban roads and large squares, etc. It is a scientific and environmentally friendly cleaning equipment recognized by the public. At present, the bearings in the rotator used with the high-pressure cleaner are easily mixed with impurities, resulting in a shortened service life of the bearings, and the sealing performance is poor, and water is easy to leak. Utility Model Content

[0003] The utility model provides a high-pressure rotator with good sealing performance.

[0004] The technical solution adopted by the utility model to solve the above technical problems is:

[0005] A high-pressure rotator comprises a rotating rod and a connecting head arranged in the middle of the rotating rod, water outlets are arranged at both ends of the rotating rod, a connecting pipe cooperating with the connecting head is arranged in the middle of the rotating rod, the connecting head comprises a conversion joint, a lower shell and an upper shell sleeved on the conversion joint, a water inlet is arranged on the top of the upper shell, deep groove ball bearings are sleeved on the top of the conversion joint from bottom to top, bushings and blind covers are arranged on the top of the deep groove ball bearings from bottom to top, the bushings and blind covers are sleeved on the conversion joint, a water inlet valve is arranged on the upper shell below the water inlet, a first rotating friction disk is arranged at the bottom of the water inlet valve, a second rotating friction disk is arranged on the top of the blind cover, and the first rotating friction disk and the second rotating friction disk are in close contact.

[0006] Preferably, the lower shell and the upper shell are threadedly connected.

[0007] Preferably, an anti-collision sheath is provided on the water outlet.

[0008] Preferably, the water outlets are axially staggered and there is an angle between the two water outlets axially.

[0009] Preferably, an outer wall of the connecting pipe is provided with an external thread, and a bottom of the conversion joint is provided with an internal thread matching with the external thread of the connecting pipe.

[0010] Preferably, the first rotating friction disk and the second rotating friction disk are both made of tungsten steel alloy material.

[0011] Preferably, a fluororubber O-ring is provided at the fitting position between the bottom of the lower shell and the conversion joint.

[0012] Preferably, a fluororubber O-ring is provided at the fitting position between the inner wall of the lower shell and the outer side of the bushing.

[0013] Preferably, a fluororubber O-ring is provided between the inner side of the blind cover and the outer side of the conversion joint.

[0014] Preferably, a nitrile O-ring is provided at the fitting position between the lower shell and the upper shell.

[0015] Compared with the prior art, the utility model has fluororubber O-rings arranged at the fitting positions of the bottom of the lower shell body and the conversion joint, at the fitting positions of the inner wall of the lower shell body and the outer side of the bushing, and between the inner side of the cover and the outer side of the conversion joint, thereby improving the sealing performance of the high-pressure rotator. The first rotating friction disk and the second rotating friction disk are both made of tungsten steel alloy material, have good wear resistance and sealing performance, and have a long service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional schematic diagram of the high-pressure rotator of the utility model.

[0017] Figure 2 It is a cross-sectional view of the high-pressure rotator of the utility model. DETAILED DESCRIPTION

[0018] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0019] like Figure 1 to Figure 2 As shown, the high-pressure rotator includes a rotating rod 1 and a connecting head 2 arranged in the middle of the rotating rod 1, a connecting pipe 11 is arranged in the middle of the rotating rod 1, and the outer wall of the connecting pipe 11 is arranged with an external thread, and the two ends of the rotating rod 1 are arranged with water outlets 12 perpendicular to the rotating rod 1, the two water outlets 12 are axially staggered and there is an angle between the two axial directions of the water outlets 12, and an anti-collision sleeve 3 is arranged on the water outlet 12.

[0020] The connector 2 includes a conversion joint 21, a lower shell 22 and an upper shell 23 which are sleeved on the conversion joint 21. The lower shell 22 and the upper shell 23 are threadedly connected, which is convenient to install and has good sealing performance. A water inlet 231 is provided at the top of the upper shell 23, and an internal thread that cooperates with the external thread of the connecting pipe 11 is provided at the bottom of the conversion joint 21.

[0021] Two deep groove ball bearings 24 are sleeved on the top of the conversion joint 21 from bottom to top, and a sealing cover is provided on the deep groove ball bearing 24, and the bearing has grease inside. A bushing 25 and a cover 26 are provided on the top of the deep groove ball bearing 24 from bottom to top, and the bushing 25 and the cover 26 are sleeved on the conversion joint 21. The upper shell 23 is provided with a water inlet valve 27 below the water inlet 231, and a first rotating friction disc 271 is welded to the bottom of the water inlet valve 27, and a second rotating friction disc 261 is welded above the cover 26. The first rotating friction disc 271 and the second rotating friction disc 261 are in close contact, so as to prevent high-pressure water from leaking from the water inlet valve 27. The first rotating friction disc 271 and the second rotating friction disc 261 are both made of tungsten steel alloy material, so as to prevent the first rotating friction disc 271 and the second rotating friction disc 261 from being worn during long-term high-speed rotation, thereby improving the sealing performance and extending the service life of the first rotating friction disc 271 and the second rotating friction disc 261.

[0022] A fluororubber O-type sealing ring 28 is provided at the fitting position between the bottom of the lower shell 22 and the conversion joint 21, a fluororubber O-type sealing ring 28 is provided at the fitting position between the inner wall of the lower shell 22 and the outer side of the bushing 25, a fluororubber O-type sealing ring 28 is provided between the inner side of the cover 26 and the outer side of the conversion joint 21, and a nitrile O-type sealing ring 29 is provided at the fitting position between the lower shell 22 and the upper shell 23.

[0023] The conversion joint 21 is a hollow tubular body, and the outer sides of the rotating rod 1 and the connector 2 are both brightly oxidized to improve the corrosion resistance of the high-pressure rotator. High-pressure water passes through the water inlet valve 27, the conversion joint 21 and the rotating rod 1 from the water inlet 231 in sequence and is ejected from the water outlet 12 at high speed.

[0024] Fluororubber O-rings 28 are provided at the fitting places of the bottom of the lower shell 22 and the conversion joint 21, at the fitting places of the inner wall of the lower shell 22 and the outer side of the bushing 25, and between the inner side of the cover 26 and the outer side of the conversion joint 21, thereby improving the sealing performance of the high-pressure rotator. The first rotating friction disk 271 and the second rotating friction disk 261 are both made of tungsten steel alloy material, have good wear resistance and sealing performance, and prolong the service life of the high-pressure rotator.

[0025] Finally, it should be noted that the above embodiments only illustrate the technical solutions of the present invention, rather than limiting it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims

1. A high-pressure rotator, comprising a rotating rod (1) and a connector (2) arranged in the middle of the rotating rod (1), wherein both ends of the rotating rod (1) are provided with water outlets (12), characterized in that: A connecting pipe (11) is provided in the middle of the rotating rod (1) and is matched with the connecting head (2). The connecting head (2) comprises a conversion joint (21), a lower shell (22) and an upper shell (23) sleeved on the conversion joint (21). A water inlet (231) is provided on the top of the upper shell (23). Deep groove ball bearings (24) are sleeved on the top of the conversion joint (21) from bottom to top. The top of the deep groove ball bearings (24) are sequentially provided from bottom to top. A bushing (25) and a blind cover (26), wherein the bushing (25) and the blind cover (26) are sleeved on the conversion joint (21); a water inlet valve (27) is arranged below the water inlet (231) on the upper shell (23); a first rotating friction disk (271) is arranged at the bottom of the water inlet valve (27); a second rotating friction disk (261) is arranged above the blind cover (26); the first rotating friction disk (271) and the second rotating friction disk (261) are in close contact.

2. The high-voltage rotator according to claim 1, characterized in that: The lower shell (22) and the upper shell (23) are threadedly connected.

3. The high-voltage rotator according to claim 1, characterized in that: An anti-collision protective sleeve (3) is provided on the water outlet (12).

4. The high-voltage rotator according to claim 1, characterized in that: The water outlets (12) are arranged axially staggered and an angle exists between the two water outlets (12) axially.

5. The high-voltage rotator according to claim 1, characterized in that: The outer wall of the connecting pipe (11) is provided with an external thread, and the bottom of the conversion joint (21) is provided with an internal thread that matches the external thread of the connecting pipe (11).

6. The high-voltage rotator according to claim 1, characterized in that: The first rotating friction disk (271) and the second rotating friction disk (261) are both made of tungsten steel alloy material.

7. The high-voltage rotator according to claim 1, characterized in that: A fluororubber O-type sealing ring (28) is provided at the fitting position between the bottom of the lower shell (22) and the conversion joint (21).

8. The high-voltage rotator according to claim 1, characterized in that: A fluororubber O-type sealing ring (28) is provided at the fitting position between the inner side wall of the lower shell (22) and the outer side of the bushing (25).

9. The high-voltage rotator according to claim 1, characterized in that: A fluororubber O-type sealing ring (28) is provided between the inner side of the blind cover (26) and the outer side of the conversion joint (21).

10. The high-voltage rotator according to claim 1, characterized in that A nitrile O-type sealing ring (29) is provided at the fitting position between the lower shell (22) and the upper shell (23).