CN218574049U

CN218574049U - Sealing structure for high-pressure rotating nozzle

Info

Publication number: CN218574049U
Application number: CN202222970240.7U
Authority: CN
Inventors: 黄林锋
Original assignee: Shanghai Shuangyou Trading Firm
Current assignee: Shanghai Shuangyou Trading Firm
Priority date: 2022-11-08
Filing date: 2022-11-08
Publication date: 2023-03-07
Anticipated expiration: 2032-11-08

Abstract

The utility model discloses a high pressure is seal structure for rotatory nozzle belongs to the sealed technical field of shower nozzle. A sealing structure for a high-pressure rotary sprinkler, comprising: mounting a flange plate; the spray rod piece is coaxially arranged with the mounting flange plate; the rotating head is detachably connected to the spray rod piece and is sleeved on the mounting flange; the guide sleeve is sleeved on the spray rod piece and is positioned between the spray rod piece and the mounting flange plate; the rotary GREEN ring for the shaft is used for sealing and mounting the flange plate and the guide sleeve; the utility model discloses a rotatory glary circle is used to axle that sets up can improve the leakproofness when spouting member, the rotatory spraying of rotating head, and the anti extrusion performance of the rotatory glary circle is used to axle is good, and frictional force is little, the phenomenon of crawling of the rotatory glary circle is used to the axle can not appear, and the leakproofness is good.

Description

Sealing structure for high-pressure rotating nozzle

Technical Field

The utility model relates to a shower nozzle sealing technique field especially relates to a high pressure is seal structure for rotatory shower nozzle.

Background

Compared with the traditional mechanical cleaning and chemical cleaning, the high-pressure water jet cleaning method has the advantages of no environmental pollution, no corrosion to metal, no damage to the cleaned substrate, capability of cleaning parts with complex shapes and structures, low cleaning cost, high striking efficiency, water saving and the like.

The nozzle is a key element of the water jet equipment, and has the functions of converting static pressure provided by the high-pressure pump set into dynamic pressure of water and ensuring that jet flow has excellent flow characteristics and dynamic performance;

the existing connection between the spray head and the high-pressure pump mostly realizes the sealing effect through the sealing rubber ring, but under the high-pressure condition, the sealing rubber ring is extruded, so that water flow is easy to leak, the sealing ring can also creep at the joint, so that the sealing ring falls off, and the sealing effect is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the current shower nozzle and being connected of high-pressure pump and realizing sealed effect through the sealing rubber circle more, but under the high-pressure condition, the sealing rubber circle receives the extrusion, leads to rivers easily to leak, and the sealing washer still can appear crawling phenomenon in the junction, leads to the sealing washer to drop, and the problem that sealed effect is poor, and the seal structure for the high-pressure rotatory shower nozzle that provides.

In order to realize the purpose, the utility model adopts the following technical scheme:

a sealing structure for a high-pressure rotary sprinkler, comprising: mounting a flange plate; the spray rod piece is coaxially arranged with the mounting flange plate; the rotating head is detachably connected to the spray rod piece and is sleeved on the mounting flange; the guide sleeve is sleeved on the spray rod piece and is positioned between the spray rod piece and the mounting flange plate; the shaft is provided with a rotary Grey circle for sealing and installing the flange and the guide sleeve.

In order to improve the sealing effect of the rotary Glare ring for the shaft, preferably, the rotary Glare ring for the shaft comprises an O-shaped ring and an O-shaped ring, the O-shaped ring is sleeved on the O-shaped ring, the O-shaped ring is attached to the mounting flange, and the O-shaped ring is attached to the guide sleeve.

Preferably, the O-shaped ring is an NBR nitrile rubber ring.

Preferably, the O-ring is a polytetrafluoroethylene, PTFE, ring.

Preferably, the O-ring is a polyurethane PU ring.

In order to fix the guide sleeve conveniently, preferably, the spray rod piece is connected with a spray rod nut in a threaded manner, the spray rod nut is sleeved on the mounting flange plate and is attached to the guide sleeve, the spray rod piece is sleeved with a spray rod fixing sleeve and a bearing, the outer wall of the spray rod fixing sleeve is attached to the mounting flange plate, the spray rod fixing sleeve is attached to the guide sleeve, and the bearing is attached to the mounting flange plate.

Preferably, a fixing flange is connected to the mounting flange in a threaded manner.

In order to improve the spraying effect of the rotating head, preferably, three groups of nozzle holes are arranged on the rotating head, and the axes of the nozzle holes and the axis of the nozzle rod are obliquely arranged.

In order to increase the spraying area of the rotating heads, the inclination angles between the axes of the three groups of rotating heads and the axis of the spray rod piece are preferably increased in sequence.

In order to improve the stability of the rotating head during rotation, preferably, a locking hole is formed in the rotating head, and a locking nut is connected to the locking hole in an inner thread mode.

Compared with the prior art, the utility model provides a high pressure is seal structure for rotatory nozzle possesses following beneficial effect:

the part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses an axle of setting is with rotatory glary circle, leakproofness when can improving the rotatory spraying of shower nozzle spare, rotating head, the anti extrusion performance of axle with rotatory glary circle is good, and frictional force is little, the phenomenon of crawling of axle with rotatory glary circle can not appear, and the leakproofness is good.

Drawings

Fig. 1 is a first schematic structural view of a sealing structure for a high-pressure rotary sprayer according to the present invention;

fig. 2 is a structural schematic view of a sealing structure for a high-pressure rotary sprinkler head according to the present invention;

fig. 3 is a schematic cross-sectional structure view of a sealing structure for a high-pressure rotary sprinkler head according to the present invention;

fig. 4 is a schematic structural view of a portion a in fig. 3 of a sealing structure for a high-pressure rotary nozzle according to the present invention;

fig. 5 is a schematic structural view of the axial rotary glary ring of the sealing structure for the high-pressure rotary sprayer according to the present invention.

In the figure: 1. fixing a flange plate; 2. mounting a flange plate; 3. rotating the head; 301. a nozzle hole; 302. a locking hole; 4. a spray bar member; 5. a spray rod nut; 6. rotating GREEN for shaft; 601. an O-shaped ring; 602. an O-ring; 7. a guide sleeve; 8. a spray rod fixing sleeve; 9. and a bearing.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Example (b):

referring to fig. 1 to 5, a sealing structure for a high pressure rotary nozzle includes: mounting a flange plate 2; the spray rod piece 4 is coaxially arranged with the mounting flange 2; the rotating head 3 is detachably connected to the spray rod piece 4 through threads, and the rotating head 3 is sleeved on the mounting flange 2; the guide sleeve 7 is sleeved on the spray rod piece 4, and the guide sleeve 7 is positioned between the spray rod piece 4 and the mounting flange 2; and the rotary GREEN 6 for the shaft is used for sealing and installing the flange plate 2 and the guide sleeve 7.

The rotary Glay ring 6 for the shaft comprises an O-shaped ring 601 and an O-shaped ring 602, wherein the O-shaped ring 601 is an NBR nitrile rubber ring, the O-shaped ring 602 is a polytetrafluoroethylene PTFE ring or a polyurethane PU ring, so that the O-shaped ring 602 has elasticity, the O-shaped ring 601 is sleeved on the O-shaped ring 602, the O-shaped ring 601 is attached to the mounting flange 2, and the O-shaped ring 602 is attached to the guide sleeve 7;

in the sealing process of the application, the O-shaped ring 601 is directly attached to the inner wall of the mounting flange 2 and can bear high pressure and high or low relative speed, the inner circle of the O-shaped ring 601 is directly contacted with the O-shaped ring 602, and after the shaft is arranged on the outer wall of the spray rod piece 4 and assembled with the mounting flange 2 by the rotary Glare ring 6, high initial contact stress is generated on a sealing surface according to the deformation of the rotary Glare ring, so that no-pressure or micro-pressure liquid leakage is prevented;

when the mounting flange 2 works, the pressure of hydraulic fluid is increased, the O-ring 602 is subjected to axial pressure and has an expansion tendency in the radial direction, the elastic deformation of the O-ring 601 always presses the O-ring 602, so that the contact stress of the outer circular surface of the O-ring 602 to the inner wall of the mounting flange 2 is increased along with the increase of the fluid pressure, and the sum of the additional contact stress and the initial contact stress is greater than the pressure of the hydraulic fluid working medium, so that the leakage of the fluid is prevented.

A spray rod nut 5 is connected to the spray rod piece 4 in a threaded manner, the spray rod nut 5 is sleeved on the mounting flange 2, the spray rod nut 5 is attached to a guide sleeve 7, a spray rod fixing sleeve 8 and a bearing 9 are sleeved on the spray rod piece 4, the outer wall of the spray rod fixing sleeve 8 is attached to the mounting flange 2, the spray rod fixing sleeve 8 is attached to the guide sleeve 7, and the bearing 9 is attached to the mounting flange 2;

through the spray rod nut 5 and the spray rod fixing sleeve 8 which are arranged, the spray rod piece 4 is convenient to fix, and meanwhile, the stability of the guide sleeve 7 is guaranteed.

The mounting flange 2 is connected with a fixing flange 1 through threads, so that the mounting flange 2 can be conveniently and fixedly mounted.

Three groups of nozzle holes 301 are arranged on the rotating head 3, the axes of the nozzle holes 301 and the axis of the spray rod piece 4 are arranged in an inclined mode, and the inclined angles between the axes of the three groups of nozzle holes 301 and the axis of the spray rod piece 4 are sequentially increased;

specifically, the inclination angles between the axes of the three groups of nozzle holes 301 and the axis of the spray rod 4 are 30 degrees, 40 degrees and 50 degrees, and when the rotating head 3 sprays water mist, the coverage area can be effectively improved.

Be equipped with locking hole 302 on the rotating head 3, locking hole 302 female connection has lock nut, and specific lock nut is M4 headless nut, and is not hard up when rotatory with spray lance 4 straight face locking, 3 rotatory of prevention rotating head that can be effectual.

The utility model discloses an axle that sets up is with rotatory glary circle 6, can improve the leakproofness when the rotatory spraying of spray nozzle spare 4, rotating head 3, and the anti extrusion performance of axle is with rotatory glary circle 6 is good, and frictional force is little, can not appear the phenomenon of crawling of axle with rotatory glary circle 6, and the leakproofness is good.

The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.

Claims

1. A kind of high pressure rotates the seal structure for shower nozzle, characterized by comprising:

a flange plate (2) is installed;

the spray rod piece (4) is coaxially arranged with the mounting flange plate (2);

the rotating head (3) is detachably connected to the spray rod piece (4), and the rotating head (3) is sleeved on the mounting flange plate (2);

the guide sleeve (7) is sleeved on the spray rod piece (4), and the guide sleeve (7) is positioned between the spray rod piece (4) and the mounting flange plate (2);

and the rotary GREEN (6) for the shaft is used for sealing and installing the flange (2) and the guide sleeve (7).

2. The seal structure for a high pressure rotary nozzle according to claim 1, wherein the rotary GREEN ring (6) for a shaft comprises an O-ring (601) and an O-ring (602), the O-ring (601) is sleeved on the O-ring (602), the O-ring (601) is attached to the mounting flange (2), and the O-ring (602) is attached to the guide sleeve (7).

3. The seal structure for a high pressure rotary sprayer according to claim 2, wherein said O-ring (601) is an NBR nitrile rubber ring.

4. The seal structure for a high pressure rotary spray head according to claim 2, wherein said O-ring (602) is a polytetrafluoroethylene PTFE ring.

5. The seal structure for a high pressure rotary sprayer according to claim 2, wherein said O-ring (602) is a polyurethane PU ring.

6. The seal structure for the high-pressure rotary sprayer according to claim 1, wherein a spray rod nut (5) is connected to the spray rod member (4) in a threaded manner, the spray rod nut (5) is sleeved on the mounting flange (2), the spray rod nut (5) is attached to the guide sleeve (7), a spray rod fixing sleeve (8) and a bearing (9) are sleeved on the spray rod member (4), the outer wall of the spray rod fixing sleeve (8) is attached to the mounting flange (2), the spray rod fixing sleeve (8) is attached to the guide sleeve (7), and the bearing (9) is attached to the mounting flange (2).

7. A sealing structure for a high pressure rotary nozzle according to claim 6, wherein a fixing flange plate (1) is screw-coupled to the mounting flange plate (2).

8. The sealing structure for the high-pressure rotary sprayer according to claim 1, wherein three groups of sprayer holes (301) are provided on the rotary head (3), and the axes of the sprayer holes (301) and the axis of the sprayer bar (4) are arranged in an inclined manner.

9. The sealing structure for a high pressure rotary sprayer according to claim 8, wherein the inclination angles between the axes of the three sets of the rotary heads (3) and the axis of the sprayer bar (4) are sequentially increased.

10. The sealing structure for the high-pressure rotary nozzle according to claim 8, wherein a locking hole (302) is formed in the rotary head (3), and a locking nut is screwed into the locking hole (302).