CN211887483U - Small-sized double-bearing high-pressure rotator - Google Patents

Abstract

The small double-bearing high-pressure rotator comprises a shell, a water inlet assembly, a water delivery assembly and a water outlet assembly, wherein the upper part of the shell is provided with an installation through hole, the water inlet assembly comprises a rotating mandrel and a quick joint, a cavity matched with the water delivery assembly is formed in the shell, and the water delivery assembly comprises a compression spring, a water inlet valve, a friction assembly, a dustproof sealing cover, a rotating shaft, a first deep groove ball bearing, a second deep groove ball bearing and a sealing bottom plate from top to bottom; the rotating shaft is sleeved with a first deep groove ball bearing, a second deep groove ball bearing and a sealing bottom plate, the first deep groove ball bearing and the second deep groove ball bearing are identical and are overlapped up and down, and the sealing bottom plate is fixedly connected to the shell; the water outlet assembly comprises a rotating rod, a first nozzle and a second nozzle, the rotating rod is arranged at the bottom of the rotating shaft, the first nozzle and the second nozzle are respectively arranged at two ends of the rotating rod, and the first nozzle and the second nozzle are arranged at included angles along the radial direction of the rotating rod. This practicality has designed the structure of two deep groove ball bearing and double containment, has improved rotational speed and sealing performance.

Description

Small-sized double-bearing high-pressure rotator

Technical Field

The utility model relates to a cleaning equipment technical field especially relates to a small-size duplex bearing high pressure circulator.

Background

The high-pressure rotator is a nozzle which is arranged at two ends of a rotating rod to form a certain included angle by utilizing, so that the rotating rod is pushed to rotate when water flows are flushed out, the water flows are kept to rotate and eject equipment, high-pressure water can be driven to wash the surface of an object, the dirt on the surface of the object is stripped and washed by simple and efficient, and most of the high-pressure rotator is used for cleaning walls, glass ground and the like and is widely applied to the field of cleaning equipment. The inner structure of present high-pressure circulator is complicated multistage linkage structure mostly, this kind of structure is under the impact of high pressure water for a long time, the rotation axis in the equipment easily wears out, thereby shortened the life of circulator, the volume is also great, receive a lot of restrictions in the in-service use, in addition, present high-pressure circulator uses single bearing mostly, single sealed structure, the high-pressure circulator rotational speed upper limit of single bearing is lower, the stability in rotation is relatively poor, and the closure is not good, there is the risk of liquid leakage, need make further improvement to the high-pressure circulator to above problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that the problem to prior art exists provides a small-size duplex bearing high pressure circulator that the structure is more reasonable, the rotational speed is higher, sealing performance is better.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: the small-sized double-bearing high-pressure rotator comprises an integrally formed shell, a water inlet assembly, a water delivery assembly and a water outlet assembly, wherein the water inlet assembly is arranged on the upper part of the shell, the water delivery assembly is arranged inside the shell, the water outlet assembly is arranged on the lower part of the shell, an installation through hole is formed in the upper part of the shell, the water inlet assembly comprises a rotating mandrel inserted into the installation through hole and a quick connector installed at one end of the rotating mandrel, the rotating mandrel and the quick connector are both of a hollow structure, the quick connector is connected with the water inlet pipe, and a water through hole communicated with the water delivery assembly is formed; a cavity matched with the water delivery assembly is formed in the shell, and the water delivery assembly sequentially comprises a compression spring, a water inlet valve, a friction assembly, a dustproof sealing cover, a rotating shaft, a first deep groove ball bearing, a second deep groove ball bearing and a sealing bottom plate from top to bottom; the water inlet valve, the friction assembly, the dustproof sealing cover and the rotating shaft are all of hollow structures, the bottom of the compression spring is abutted with the water inlet valve, a circumferential protrusion used for keeping circumferential fixation with the shell is arranged on the outer edge of the lower end of the water inlet valve, the bottom of the water inlet valve is abutted with the friction assembly, the bottom of the friction assembly is abutted with the rotating shaft, a first deep groove ball bearing, a second deep groove ball bearing and a sealing bottom plate are sleeved on the rotating shaft, the first deep groove ball bearing and the second deep groove ball bearing are completely identical and are overlapped up and down, and the sealing bottom plate is fixedly connected to the shell through a plurality of; the water outlet assembly comprises a rotary rod, a first nozzle and a second nozzle, the rotary rod is installed at the bottom of the rotary shaft, the first nozzle and the second nozzle are installed at two ends of the rotary rod respectively, and the first nozzle and the second nozzle are arranged at included angles along the radial direction of the rotary rod.

Further, a first groove is formed in the outer wall of the water inlet valve, a check ring and an O-shaped sealing ring are sleeved on the first groove, a second groove is formed in the outer wall of the dustproof sealing cover, an O-shaped sealing ring is sleeved on the second groove, an O-shaped sealing ring is installed between the inner wall of the dustproof sealing cover and the rotating shaft, an elastic check ring for a shaft is installed between the dustproof sealing cover and the first deep groove ball bearing, the elastic check ring for the shaft is sleeved on the rotating shaft, a clamp spring is clamped between the second deep groove ball bearing and the sealing bottom plate, an O-shaped sealing ring is arranged between the sealing bottom plate and the rotating shaft, and the O-shaped sealing ring is sleeved on the.

Further, the friction assembly comprises a first friction ring and a second friction ring which are stacked up and down, and the bottom of the second friction ring is abutted to the rotating shaft.

The water inlet assembly further comprises a rotating mandrel fixing block, a hexagon screw, a check ring and an O-shaped sealing ring, one end of the rotating mandrel penetrates through the installation through hole, an inserting hole is formed in the side wall of the other end of the rotating mandrel, the quick connector is installed in the inserting hole, the hexagon screw is inserted into the end part of the rotating mandrel penetrating through the installation through hole, and the hexagon screw is sleeved with the rotating mandrel fixing block; the rotating mandrel is symmetrically sleeved with a check ring and an O-shaped sealing ring about the water through hole.

Furthermore, a filter is arranged in the quick connector, and an O-shaped sealing ring is arranged between the quick connector and the side wall of the insertion hole.

Further, first nozzle and second nozzle all personally submit the acute angle setting with vertical, install the nozzle core in the nozzle that sets up on the lateral wall of rotary rod both ends, the rotary rod both ends are equipped with the end cap in the equipment.

Furthermore, a drain hole is formed in the bottom of the shell, and a drain through hole is formed in the sealing bottom plate and matched with the drain hole.

Furthermore, a flat gasket is arranged between the bolt and the sealing bottom plate.

Further, the rotating shaft, the first deep groove ball bearing and the second deep groove ball bearing are all made of stainless steel materials.

Further, the quick joint adopts 1/4 quick joint.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the small-sized double-bearing high-pressure rotator is designed with a double-bearing and double-sealing structure, the double-bearing is that two deep groove ball bearings which are stacked up and down are used, so that the high-pressure high-speed rotator can bear higher rotating speed, the use requirement of high pressure and high rotating speed is met, in addition, the double-bearing can bear axial loads acting in two directions besides radial loads, the supporting force on a rotating shaft is stronger, the operation of the high-pressure rotator is more stable, the service life is longer, and the ageing resistance is good; meanwhile, the bearing can be self-lubricated without additionally injecting lubricating grease; in addition, an upper sealing structure and a lower sealing structure are designed, so that the product can be used in a severe environment, no impurities enter the bearing, and the sealing performance is excellent;

2. the first friction ring and the second friction ring are both made of high-hardness special alloy and can achieve the effect of mirror surface fitting through special grinding. The pivot adopts stainless steel material, and two stainless steel deep groove ball bearings of cooperation, sound construction, durable.

3. The rapid joint adopts an 1/4 rapid joint, and a filter is arranged in the rapid joint, so that the filter is universal in the market and convenient to replace and maintain; the rotating mandrel can be freely adjusted to any angle, and the use is convenient.

Drawings

Fig. 1 is a schematic perspective view of the small-sized dual-bearing high-pressure rotator of the present invention.

Fig. 2 is an exploded view of a part of the high-pressure rotator of the present invention.

Fig. 3 is a left side view of the small-sized dual-bearing high-pressure rotator of the present invention.

Fig. 4 is a cross-sectional view of the a-a surface of the high pressure cleaning apparatus of the present invention.

Fig. 5 is an exploded view of the high pressure spinner of the present invention.

Fig. 6 is a sectional view in the front view direction of the casing of the present invention.

Reference numerals: 1. a housing; 11. mounting a through hole; 12. a cavity; 13. a drain hole; 2. a water intake assembly; 21. rotating the mandrel; 211. inserting holes; 212. a water through hole; 22. a quick coupling; 23. rotating the mandrel fixing block; 24. a hex screw; 3. a water delivery assembly; 31. a compression spring; 32. a water inlet valve; 321. a circumferential projection; 322. a first groove; 33. a friction assembly; 331. a first friction ring; 332. a second friction ring; 34. a dust-proof sealing cover; 341. a second groove; 35. a rotating shaft; 36. a first deep groove ball bearing; 37. a second deep groove ball bearing; 38. sealing the bottom plate; 381. a drain through hole; 39. a flat washer; 310. a circlip for the shaft; 311. a clamp spring; 4. a water outlet assembly; 41. rotating the rod; 42. a first nozzle; 43. a second nozzle; 44. a nozzle core; 45. a plug; 5. a retainer ring; 6. an O-shaped sealing ring;

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

As shown in fig. 1 to 6, the small-sized dual-bearing high-pressure rotator includes a housing 1, a water inlet assembly 2 disposed at an upper portion of the housing 1, a water delivery assembly 3 disposed inside the housing 1, and a water outlet assembly 4 disposed at a lower portion of the housing 1. One end of the water inlet component 2 is connected with the water inlet pipe, the other end of the water inlet component extends into the shell 1 and is communicated with the water delivery component 3, and the lower end of the water delivery component 3 is connected with the water outlet component 4 and drives the water outlet component 4 to rotate.

The shell 1 is of an integrated structure, and the upper part of the shell 1 is provided with an installation through hole 11 for installing the water inlet assembly 2. The water inlet assembly 2 includes a rotary spindle 21 and a quick coupling 22 vertically installed at one end of the rotary spindle 21. Specifically, the water inlet assembly 2 comprises a rotary mandrel 21, a quick coupling 22, a rotary mandrel 21 fixing block, a hexagon screw 24, a retainer ring 5 and an O-shaped sealing ring 6, the rotary mandrel 21 and the quick coupling 22 are both of a hollow structure, one end of the rotary mandrel 21 penetrates through the installation through hole 11, an insertion hole 211 is formed in the side wall of the other end of the rotary mandrel 21, the quick coupling 22 is installed in the insertion hole 211, the hexagon screw 24 is inserted into the end portion of the rotary mandrel 21 penetrating through the installation through hole 11, and the rotary mandrel 21 fixing block is sleeved on the hexagon screw 24; the middle part of the rotating mandrel 21 is provided with a water through hole 212 which radially penetrates through the rotating mandrel 21 and is used for guiding water flow into the water delivery component 3, and the rotating mandrel 21 is symmetrically sleeved with a retaining ring 5 and an O-shaped sealing ring 6 about the water through hole 212. The rotary mandrel 21 can be freely adjusted to any angle to be matched with the position of the water inlet pipe, so that water inlet is smoother.

Preferably, a filter (not shown) is disposed in the quick coupling 22 to achieve the anti-blocking effect, and an O-ring 6 is disposed between the quick coupling 22 and the sidewall of the insertion hole 211. In addition, the quick joint 22 adopts the 1/4 quick joint 22 which is commonly used in the market, has good interchangeability and is convenient to maintain and replace.

A cavity 12 matched with the water delivery component 3 is formed in the shell 1, and the water delivery component 3 sequentially comprises a compression spring 31, a water inlet valve 32, a friction component 33, a dustproof sealing cover 34, a rotating shaft 35, a first deep groove ball bearing 36, a second deep groove ball bearing 37 and a sealing bottom plate 38 from top to bottom; the water inlet valve 32, the friction component 33, the dustproof sealing cover 34 and the rotating shaft 35 are all of hollow structures and are sequentially connected from top to bottom to form a water channel, so that water flow accessed by the water inlet component 2 reaches the water outlet component 4 through the water delivery component 3; the bottom of the compression spring 31 is abutted against the water inlet valve 32, the water inlet valve 32 is kept to be tightly attached to the rotating shaft 35 due to the arrangement of the compression spring 31, a circumferential protrusion 321 for keeping circumferential fixation with the shell 1 is arranged on the outer edge of the lower end of the water inlet valve 32, and the circumferential protrusion 321 is clamped with a corresponding groove of the cavity 12 in the shell 1; the bottom of the water inlet valve 32 is abutted against the friction component 33, the friction component 33 is specifically a first friction ring 331 and a second friction ring 332 which are stacked up and down, the bottom of the second friction ring 332 is abutted against the rotating shaft 35, and the first friction ring 331 and the second friction ring 332 are abutted against under the action of water pressure to drive the rotating shaft 35 to rotate; the rotating shaft 35 is sleeved with a first deep groove ball bearing 36, a second deep groove ball bearing 37 and a sealing bottom plate 38, the first deep groove ball bearing 36 and the second deep groove ball bearing 37 are completely identical and are overlapped up and down, and the sealing bottom plate 38 is fixedly connected to the shell 1 through a plurality of bolts. The inner wall parts of the first deep groove ball bearing 36 and the second deep groove ball bearing 37 can rotate along with the rotation of the rotating shaft 35, and the rotating speed of the rotator can be improved by designing the double-layer deep groove ball bearing, so that the performance is greatly optimized; preferably, a flat washer 39 is provided between the bolt and the sealing bottom plate 38 to prevent the bolt from loosening.

Preferably, a first groove 322 is formed in the outer wall of the water inlet valve 32, a retaining ring 5 and an O-shaped sealing ring 6 are sleeved on the first groove 322, a second groove 341 is formed in the outer wall of the dustproof sealing cover 34, an O-shaped sealing ring 6 is sleeved on the second groove 341, an O-shaped sealing ring 6 is installed between the inner wall of the dustproof sealing cover 34 and the rotating shaft 35, an elastic retaining ring 310 for a shaft is installed between the dustproof sealing cover 34 and the first deep groove ball bearing 36, the elastic retaining ring 310 for the shaft is sleeved on the rotating shaft 35, a clamp spring 311 is clamped between the second deep groove ball bearing 37 and the sealing bottom plate 38, an O-shaped sealing ring 6 is arranged between the sealing bottom plate 38 and the rotating shaft 35, and the. The retainer rings 5, the O-shaped seal rings 6, the shaft circlips 310 and the snap springs 311 arranged at different positions enhance the sealing performance of the water delivery assembly 3, and the sizes of the retainer rings 5 and the O-shaped seal rings 6 arranged at different positions are properly adjusted according to the structure. Moreover, the dustproof sealing cover 34 and the sealing bottom plate 38 are two sealing structures, namely an upper sealing structure and a lower sealing structure, and the two sealing structures are arranged, so that the high-pressure rotator can stably work in a severe environment, the deep groove ball bearing is prevented from entering impurities, and the sealing performance is excellent.

Preferably, the bottom of the housing 1 is provided with a drainage hole 13 for draining water, and the sealing bottom plate 38 is provided with a drainage through hole 381 matching with the drainage hole 13.

Preferably, the rotating shaft 35, the first deep groove ball bearing 36 and the second deep groove ball bearing 37 are all made of stainless steel materials, so that the use requirements of high pressure and high rotation speed can be met, and the device is durable.

In addition, the first friction ring 331 and the second friction ring 332 are made of high-hardness special alloy, and are subjected to special grinding, so that the mirror surface attaching effect can be achieved.

The water outlet assembly 4 is arranged at the lower end of the rotating shaft 35 extending out of the housing 1, the water outlet assembly 4 comprises a rotating rod 41, a first nozzle 42 and a second nozzle 43, the rotating rod 41 is installed at the bottom of the rotating shaft 35, the first nozzle 42 and the second nozzle 43 are respectively installed at two ends of the rotating rod 41, the first nozzle 42 and the second nozzle 43 are arranged along the radial direction of the rotating rod 41 at an included angle, namely, the first nozzle 42 and the second nozzle 43 are not arranged in the same plane, or the nozzles at two sides and the vertical plane are acute angles in opposite directions, and the first nozzle 42 and the second nozzle are arranged at acute angles in this embodiment. Specifically, nozzle cores 44 are installed in nozzles arranged on the outer side walls of the two ends of the rotating rod 41, and plugs 45 are installed in the two ends of the rotating rod 41. Because the rotating rod 41 is driven by the rotating shaft 35 to rotate, the high-pressure water can be sprayed out of the rotating water mist through the first nozzle 42 and the second nozzle 43 after passing through the rotating rod 41, and the surface of the product can be cleaned fully.

The working process of the double-bearing high-pressure rotator is as follows: the water flow input from the water inlet pipe sequentially passes through the quick connector, the rotating mandrel, the water inlet valve, the first friction ring, the second friction ring, the dustproof sealing cover, the rotating shaft and the rotating rod, and is sprayed out by the first nozzle or the second nozzle, because the first nozzle and the second nozzle are arranged at acute angles along the radial direction of the rotating rod, the water flow is sprayed out to generate the rotating thrust of the rotating rod, and the rotating rod is accelerated to rotate to a certain rotating speed. The two deep groove ball bearings are matched with each other, so that the friction coefficient of the rotating shaft is reduced, the rotating shaft can smoothly rotate, and the rotating speed is increased.

Finally, it should be noted that: the above embodiments are merely illustrative of the technical solutions of the present invention, and not limitative thereof; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims (10)

1. Small-size duplex bearing high pressure circulator, its characterized in that: the water supply device comprises an integrally formed shell (1), a water inlet assembly (2) arranged on the upper portion of the shell (1), a water delivery assembly (3) arranged inside the shell (1) and a water outlet assembly (4) arranged on the lower portion of the shell (1), wherein the upper portion of the shell (1) is provided with a mounting through hole (11), the water inlet assembly (2) comprises a rotating mandrel (21) inserted into the mounting through hole (11) and a quick connector (22) mounted at one end of the rotating mandrel (21), the rotating mandrel (21) and the quick connector (22) are both of a hollow structure, the quick connector (22) is connected with a water inlet pipe, and the middle portion of the rotating mandrel (21) is provided with a water through hole (212) communicated with the water delivery assembly (3); a cavity (12) matched with the water delivery assembly (3) is formed in the shell (1), and the water delivery assembly (3) sequentially comprises a compression spring (31), a water inlet valve (32), a friction assembly (33), a dustproof sealing cover (34), a rotating shaft (35), a first deep groove ball bearing (36), a second deep groove ball bearing (37) and a sealing bottom plate (38) from top to bottom; the water inlet valve (32), the friction assembly (33), the dustproof sealing cover (34) and the rotating shaft (35) are all of a hollow structure, the bottom of the compression spring (31) is abutted to the water inlet valve (32), a circumferential protrusion (321) used for keeping circumferential fixation with the shell (1) is arranged on the outer edge of the lower end of the water inlet valve (32), the bottom of the water inlet valve (32) is abutted to the friction assembly (33), the bottom of the friction assembly (33) is abutted to the rotating shaft (35), a first deep groove ball bearing (36), a second deep groove ball bearing (37) and a sealing bottom plate (38) are sleeved on the rotating shaft (35), the first deep groove ball bearing (36) and the second deep groove ball bearing (37) are completely identical and are overlapped and stacked up and down, and the sealing bottom plate (38) is fixedly connected to the shell (1) through a plurality of; go out water subassembly (4) and include rotary rod (41), first nozzle (42) and second nozzle (43), install in pivot (35) bottom rotary rod (41), install respectively in rotary rod (41) both ends first nozzle (42) and second nozzle (43), first nozzle (42) and second nozzle (43) are the contained angle setting along rotary rod (41) radial direction.

2. The small-sized double-bearing high-pressure rotator as claimed in claim 1, wherein a first groove (322) is formed in the outer wall of the water inlet valve (32), a retainer ring (5) and an O-shaped seal ring (6) are sleeved on the first groove (322), a second groove (341) is formed in the outer wall of the dustproof sealing cover (34), the O-shaped seal ring (6) is sleeved on the second groove (341), the O-shaped seal ring (6) is installed between the inner wall of the dustproof sealing cover (34) and the rotating shaft (35), an elastic retainer ring (310) for a shaft is installed between the dustproof sealing cover (34) and the first deep groove ball bearing (36), the elastic retainer ring (310) for the shaft is sleeved on the rotating shaft (35), a clamp spring (311) is clamped between the second deep groove ball bearing (37) and the sealing bottom plate (38), and the O-shaped seal ring (6) is arranged between the sealing bottom plate (38) and the rotating shaft (35), the O-shaped sealing ring (6) is sleeved on the rotating shaft (35).

3. The small-sized double-bearing high-pressure rotator as claimed in claim 1, wherein the friction assembly (33) is a first friction ring (331) and a second friction ring (332) stacked up and down, and the bottom of the second friction ring (332) abuts against the rotating shaft (35).

4. The small-sized double-bearing high-pressure rotator as claimed in claim 1, wherein the water inlet assembly (2) further comprises a fixed block of a rotating mandrel (21), a hexagon screw (24), a retainer ring (5) and an O-shaped sealing ring (6), one end of the rotating mandrel (21) passes through the mounting through hole (11), the side wall of the other end of the rotating mandrel (21) is provided with an insertion hole (211), the quick coupling (22) is mounted in the insertion hole (211), the end of the rotating mandrel (21) passing through the mounting through hole (11) is inserted with the hexagon screw (24), and the hexagon screw (24) is sleeved with the fixed block of the rotating mandrel (21); the rotating mandrel (21) is symmetrically sleeved with a check ring (5) and an O-shaped sealing ring (6) about the water through hole (212).

5. The small-sized double-bearing high-pressure rotator as claimed in claim 1, wherein a filter is provided in the quick coupling (22), and an O-ring (6) is provided between the quick coupling (22) and the sidewall of the insertion hole (211).

6. The small-sized double-bearing high-pressure rotator according to claim 1, wherein the first nozzle (42) and the second nozzle (43) are arranged at an acute angle with the vertical plane, nozzle cores (44) are installed in the nozzles arranged on the outer side walls of the two ends of the rotating rod (41), and plugs (45) are installed in the two ends of the rotating rod (41).

7. The small-sized double-bearing high-pressure rotator as claimed in claim 1, wherein a drain hole (13) is formed at the bottom of the housing (1), and the sealing bottom plate (38) is provided with a drain through hole (381) matching with the drain hole (13).

8. A compact dual-bearing high-pressure rotator according to claim 1, wherein a flat washer (39) is arranged between the bolt and the sealing bottom plate (38).

9. The compact dual-bearing high-pressure spinner of claim 1, wherein the spindle (35), the first deep groove ball bearing (36), and the second deep groove ball bearing (37) are all made of stainless steel.

10. A compact dual bearing high pressure rotator according to claim 1 wherein the quick connector (22) is 1/4 quick connector (22).

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