Rotary spray head easy to maintain

Abstract

The utility model belongs to the technical field of cleaning equipment accessories, and particularly relates to a rotary nozzle easy to maintain. The utility model provides a rotary spray head easy to maintain, and aims to solve the problem that a rotary spray head in the prior art is not easy to maintain. A rotary spray head easy to maintain comprises a base and a barrel arranged on the base, a spray pipe is rotationally connected in the barrel, a rotary barrel is further rotationally connected in the barrel, and the base is communicated with the spray pipe through the rotary barrel; after the barrel body is detached from the base body, the base body, the rotating barrel and the spray pipe are automatically separated, when the rotating spray head is maintained, only the barrel body needs to be taken down from the base body, corresponding parts can be replaced or maintained, operation is very convenient, and the rotating spray head is easy to maintain.

Description

Technical Field

[0001] The utility model belongs to the technical field of cleaning equipment accessories, and in particular relates to a rotary spray head which is easy to maintain. Background Art

[0002] In the field of cleaning technology, a cleaning gun is a very common cleaning tool. A nozzle is generally provided on the cleaning gun. In order to optimize the cleaning effect of the cleaning gun, a rotating nozzle is usually provided on the nozzle.

[0003] However, the connection method between the nozzle and the nozzle in the prior art is unreasonable, resulting in a complex nozzle structure. During the maintenance of the nozzle, it is very inconvenient to remove the nozzle, which makes the nozzle difficult to maintain. Utility Model Content

[0004] The utility model provides a rotary spray head which is easy to maintain, aiming to solve the problem that the rotary spray head in the prior art is difficult to maintain.

[0005] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0006] A rotary spray head that is easy to maintain, comprising a seat body and a barrel body arranged on the seat body, a spray pipe is rotatably connected in the barrel body, a rotating barrel is also rotatably connected in the barrel body, and the seat body is communicated with the spray pipe through the rotating barrel;

[0007] The nozzle is rotatably connected to the rotating cylinder, and the nozzle extends out of the cylinder in a direction away from the seat body.

[0008] A further improved solution: a rolling bearing is provided on the nozzle, and the rolling bearing is located between the cylinder and the nozzle.

[0009] Based on the above technical solution: a rolling bearing is arranged on the nozzle, and the rolling bearing is located between the barrel and the nozzle. The rolling bearing plays the function of supporting the tube body. The nozzle has a high position accuracy relative to the barrel, so that the nozzle can rotate flexibly.

[0010] A further improved solution: there are at least two rolling bearings, the end of the cylinder away from the rotating cylinder is the front end, and the rolling bearing is located between the front end of the cylinder and the rotating cylinder.

[0011] Based on the above technical solution: there are at least two rolling bearings, and multiple rolling bearings support the tube body at the same time, which improves the position accuracy of the tube body, makes the tube body less likely to interfere with the rotating cylinder, and further makes the nozzle rotate flexibly.

[0012] A further improved solution: a positioning ring is provided at one end of the cylinder away from the seat body, and all the rolling bearings are located between the positioning ring and the rotating cylinder.

[0013] Based on the above technical solution: a positioning ring is provided at one end of the cylinder away from the seat body, and the positioning ring is used to position the rolling bearing to prevent the rolling bearing from leaving the cylinder, thereby improving the stability of the rotating nozzle during operation.

[0014] A further improved solution: a water supply nozzle is arranged on the seat body, and a water inlet cooperating with the water supply nozzle is arranged at one end of the rotating cylinder away from the spray pipe.

[0015] Based on the above technical solution: a water supply nozzle is arranged on the seat body, and the water supply nozzle supplies water to the rotating drum, and water leakage is not easy between the seat body and the rotating drum.

[0016] A further improved solution: the water supply nozzle is in a bell-mouth shape, and the diameter of the end of the water supply nozzle close to the seat body is larger than the diameter of the end of the water supply nozzle away from the seat body.

[0017] Based on the above technical solution: the water supply nozzle is in a bell-mouth shape, and the connection strength between the water supply nozzle and the seat body is high.

[0018] A further improved solution: the nozzle includes a tube body and a ring body arranged on the tube body, the ring body is located in the rotating cylinder, and the end of the rotating cylinder away from the seat body is also provided with a retaining ring to prevent the ring body from slipping out of the rotating cylinder.

[0019] Based on the above technical solution: the nozzle includes a tube body and a ring body arranged on the tube body, the ring body is located in the rotating cylinder, and the nozzle is not easy to be separated from the rotating cylinder.

[0020] A further improved solution: the ring body and the tube body are an integrated structure, and the tube body extends out of the rotating cylinder and the cylinder body in sequence.

[0021] Based on the above technical solution: the ring body and the tube body are an integrated structure, the tube body has high strength and is not easily damaged.

[0022] A further improved solution: the cylinder is fixed to the seat body by threads.

[0023] Based on the above technical solution: the cylinder is fixed to the seat body by threads, and the cylinder and the seat body are easy to assemble.

[0024] A further improved solution: the seat body is provided with an external thread, and the cylinder body is provided with an internal thread.

[0025] Based on the above technical solution: the seat body is provided with an external thread, and the cylinder body is provided with an internal thread, which simplifies the structure of the seat body and the cylinder body and reduces the manufacturing cost of the rotary spray head.

[0026] A further improved solution: an operating plane for facilitating the rotation of the cylinder is provided on the cylinder, and there are at least two operating planes which are symmetrically arranged on the outer wall of the cylinder.

[0027] Based on the above technical solution: an operating plane for facilitating the rotation of the cylinder is provided on the cylinder, and the operating plane cooperates with the wrench to conveniently rotate the cylinder.

[0028] A further improved solution: an operating portion is provided at one end of the seat body away from the cylinder body, the cross-sectional shape of the operating portion is a polygon, and the operating portion and the seat body are an integrated structure.

[0029] Based on the above technical solution: an operating part is arranged at one end of the seat body away from the cylinder body, the cross-section of the operating part is polygonal, and the operating part cooperates with a wrench to conveniently rotate the seat body.

[0030] The beneficial effects of the utility model are:

[0031] The base is provided with a cylinder, a nozzle is rotatably connected in the cylinder, a rotating cylinder is also rotatably connected in the cylinder, and the base is connected to the nozzle through the rotating cylinder. After the cylinder is removed from the base, the base, the rotating cylinder and the nozzle are automatically separated. When maintaining the rotary nozzle, only the cylinder needs to be removed from the base to replace or maintain the corresponding parts. The operation is very convenient, making the rotary nozzle easy to maintain. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments are briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technical users in this field, other relevant drawings can be obtained based on these drawings without paying creative labor.

[0033] Figure 1 The utility model is a schematic diagram of an easy-to-maintain rotary sprinkler.

[0034] Figure 2 The utility model is a schematic diagram of the internal structure of a rotary sprinkler which is easy to maintain.

[0035] Figure 3 yes Figure 2 Enlarged view of point A in the middle.

[0036] Figure 4The utility model is an exploded view of an easy-to-maintain rotary sprinkler.

[0037] Description of the numbers in the figure:

[0038] 1-seat body; 11-water supply nozzle; 12-operating part; 2-cylinder body; 21-positioning ring; 22-operating plane; 3-spray pipe; 31-ring body; 32-tube body; 4-rotating cylinder; 41-retaining ring; 5-rolling bearing. DETAILED DESCRIPTION

[0039] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. It should be understood that the specific embodiments described herein are only used to explain the utility model and are not used to limit the utility model. Based on the embodiments of the utility model, all other embodiments obtained by users of the technology in this field without creative work belong to the protection scope of the utility model.

[0040] refer to Figures 1 to 4 This embodiment provides a rotary spray head that is easy to maintain, including a base body 1 and a barrel body 2 disposed on the base body 1, a nozzle 3 is rotatably connected in the barrel body 2, a rotating barrel 4 is also rotatably connected in the barrel body 2, and the base body 1 is connected to the nozzle 3 through the rotating barrel 4;

[0041] The nozzle 3 is rotatably connected to the rotating cylinder, and the nozzle 3 extends out of the cylinder 2 in a direction away from the base 1 .

[0042] Specifically: the nozzle 3 includes a ring body 31 located in the rotating cylinder and a tube body 32 arranged on the ring body 31 and extending out of the rotating cylinder 4 and the cylinder body 2 in sequence, the tube body 32 extending out of the cylinder body 2 in a direction away from the seat body 1, and the ring body 31 and the tube body 32 are an integrated structure;

[0043] The end of the rotating cylinder 4 away from the seat body 1 is also provided with a retaining ring 41 to prevent the ring body 31 from slipping out of the rotating cylinder 4. The rotating cylinder 4 and the retaining ring 41 are an integrated structure.

[0044] The rotating cylinder 4 can be made of brass. The seat body 1, the cylinder body 2, the nozzle 3 and the rotating cylinder should all be made of corrosion-resistant materials to extend the service life of the rotating nozzle.

[0045] Wherein: a rolling bearing 5 is arranged on the nozzle 3 , and the rolling bearing 5 is located between the cylinder 2 and the nozzle 3 .

[0046] There are at least two rolling bearings 5, and the end of the cylinder 2 away from the rotating cylinder 4 is the front end. The rolling bearing 5 is located between the front end of the cylinder 5 and the rotating cylinder 4. There are three rolling bearings 5.

[0047] A positioning ring 21 is disposed at one end of the cylinder 2 away from the seat 1, and all the rolling bearings 5 ​​are located between the positioning ring 21 and the rotating cylinder 4. The positioning ring 21 and the cylinder 2 are an integrated structure.

[0048] The first positioning method of the nozzle 3 in the barrel 2: the positioning ring 21 is used to prevent the nozzle from being washed out of the barrel 2 by water. In this solution, the outer ring of the rolling bearing 5 can be a clearance fit with the inner wall of the barrel 2. The inner ring of the rolling bearing 5 can be a clearance fit or an interference fit with the nozzle 3.

[0049] The second positioning method of the nozzle 3 in the barrel 2: the positioning ring 21 is omitted, and the outer ring of the rolling bearing 5 can be interference fit with the inner wall of the barrel 2. The inner ring of the rolling bearing 5 can be interference fit with the nozzle 3.

[0050] The rolling bearing 5 is used to support the tube body 32, so that the nozzle 3 is in a coaxial state with the rotating cylinder 4 and the cylinder body 2. The nozzle 3 will not interfere with the rotating cylinder 4 and the cylinder body 2 during rotation, and the nozzle 3 can rotate flexibly.

[0051] The locating ring 21 is used to locate the bearing to prevent the bearing from being misplaced.

[0052] The positioning ring 21 and the cylinder 2 may be an integrated structure. The retaining ring 41 and the rotating cylinder 4 may be an integrated structure. The retaining ring 41 interferes with the ring body 31 to prevent the nozzle 3 from being washed out of the rotating cylinder 4 by water.

[0053] refer to Figures 1 to 4 , wherein: a water supply nozzle 11 is provided on the seat body 1 , and a water inlet cooperating with the water supply nozzle 11 is provided at one end of the rotating cylinder 4 away from the spray pipe 3 .

[0054] Specifically: the water supply nozzle 11 is in a bell-mouth shape, and the water supply nozzle 11 and the seat body 1 are an integrated structure.

[0055] Wherein: the cylinder 2 is fixed on the seat body 1 through threads.

[0056] The seat body 1 is provided with an external thread, and the cylinder body 2 is provided with an internal thread.

[0057] refer to Figures 1 to 4 Specifically: the cylinder 2 is provided with an operation plane 22 for facilitating the rotation of the cylinder 2 , and there are at least two operation planes 22 which are symmetrically arranged on the outer wall of the cylinder 2 .

[0058] An operating portion 12 is disposed at one end of the seat body 1 away from the cylinder body 2 . The cross-section of the operating portion 12 is a polygon. The operating portion 12 and the seat body 1 are an integrated structure.

[0059] The working principle of this embodiment:

[0060] When maintaining the rotary nozzle, the operating portion 12 and the operating plane 22 are used to remove the cylinder 2 from the base 1. After the cylinder 2 is removed from the base 1, the nozzle 3 and the rotating cylinder 4 have no fixed relationship with the base 1 and the cylinder 2. Therefore, after the cylinder 2 is removed, the cylinder 2, the base 1, the nozzle 3, and the rotating cylinder are independent of each other, and damaged parts can be easily maintained or replaced.

[0061] During specific use, taking the installation of the rotating nozzle on the water gun as an example, the water gun can be installed on the kettle, and the water in the kettle is supplied to the nozzle 3 by the water gun. The specific water supply method can be that a water spray pipe can be arranged inside the rotating nozzle, one end of the water spray pipe extends into the kettle, and the other end of the water spray pipe extends out of the nozzle 3, and a jet channel is formed between the water spray pipe and the nozzle 3. The water spray pipe is used to spray the water in the kettle, and gas is supplied into the jet channel between the water spray pipe and the nozzle 3 through a water gun or other components, and the nozzle 3 is driven to rotate by the gas in the jet channel.

[0062] The present utility model is not limited to the above optional implementation modes. Under the premise of not conflicting with each other, the various schemes can be combined arbitrarily. Anyone can derive other forms of products under the inspiration of the present utility model. However, no matter what changes are made in their shapes or structures, all technical schemes that fall within the scope defined by the claims of the present utility model fall within the protection scope of the present utility model.

Claims

1. An easy-to-maintain rotary sprinkler head. Features: It comprises a seat body and a cylinder body arranged on the seat body, a nozzle is rotatably connected to the cylinder body, a rotating cylinder is also rotatably connected to the cylinder body, and the seat body is connected to the nozzle through the rotating cylinder; The nozzle is rotatably connected to the rotating cylinder, and the nozzle extends out of the cylinder in a direction away from the seat body.

2. The easily maintainable rotary sprinkler according to claim 1, Features: The nozzle is provided with a rolling bearing, and the rolling bearing is located between the cylinder and the nozzle.

3. The easily maintainable rotary sprinkler according to claim 2, Features: There are at least two rolling bearings, the end of the cylinder away from the rotating cylinder is the front end, and the rolling bearing is located between the front end of the cylinder and the rotating cylinder.

4. An easily maintainable rotary sprinkler according to any one of claims 2 to 3, Features: A positioning ring is arranged at one end of the cylinder away from the seat body, and all the rolling bearings are located between the positioning ring and the rotating cylinder.

5. The easily maintainable rotary sprinkler according to claim 1, Features: The seat body is provided with a water supply nozzle, and the end of the rotating cylinder away from the spray pipe is provided with a water inlet matched with the water supply nozzle.

6. The easily maintainable rotary sprinkler according to claim 5, Features: The water supply nozzle is in a bell-mouth shape, and the diameter of one end of the water supply nozzle close to the seat body is greater than the diameter of one end of the water supply nozzle away from the seat body.

7. The easily maintainable rotary sprinkler according to claim 1, Features: The nozzle comprises a tube body and a ring body arranged on the tube body, the ring body is located in the rotating cylinder, and a retaining ring is further arranged at one end of the rotating cylinder away from the seat body to prevent the ring body from sliding out of the rotating cylinder.

8. The easily maintainable rotary sprinkler according to claim 7, Features: The ring body and the tube body are an integrated structure, and the tube body extends out of the rotating cylinder and the cylinder body in sequence.

9. The easily maintainable rotary sprinkler according to claim 1, Features: The cylinder is fixed on the seat body through threads.

10. The easily maintainable rotary sprinkler according to claim 1, Features: The cylinder is provided with an operating plane for facilitating the rotation of the cylinder, and there are at least two operating planes which are symmetrically arranged on the outer wall of the cylinder; An operating portion is disposed at one end of the seat body away from the cylinder body. The cross-sectional shape of the operating portion is polygonal, and the operating portion and the seat body are an integrated structure.

Images