Anti-disengagement spraying tool with magnetically-attracted fixed spray head

Abstract

The invention relates to the technical field of ship maintenance, discloses an anti-falling spraying tool with a magnetic attraction fixed spray head, and solves the problems of insufficient stability and flexibility in the prior art. The device comprises a main pipeline, a water distribution assembly, a connecting assembly, a fixing assembly and a spray head assembly, and fire-fighting water flows to the water distribution assembly through the main pipeline and is divided into axial water flows and radial water flows on the two sides through a cross-shaped water distribution structure. Axial water flow enters the fixing assembly and drives the sealing piece to act through the variable-diameter section. The spray head assembly is embedded into the magnetizer groove through the base, the permanent magnet achieves magnetic attraction pre-fixing, and the sealing piece extrudes or adsorbs and reinforces the circumferential protruding part of the base. Water flow on the two sides is connected with other tools in series through water belts to form linear spraying. And after water is cut off, the sealing piece resets to overcome magnetic attraction to disassemble the nozzle. The problem that traditional binding is prone to falling off is solved, the larger water flow is, the firmer fixing is achieved, the operation process is simplified, multi-scene spraying is adapted, and the berthing protection reliability and efficiency are improved.

Description

Technical Field

[0001] This invention relates to the field of ship maintenance technology, and in particular to a spray fixture with a magnetically fixed nozzle to prevent detachment. Background Technology

[0002] When a silicone-coated ship berths, the hull and the dock handle come into direct contact. Due to the ship's large tonnage and the strong impact of berthing, the contact area is prone to high temperatures or mechanical damage due to friction, which may also accelerate the wear of the dock handle. Therefore, the industry standard practice is to continuously spray water onto the contact area using a sprinkler system. This utilizes the lubricating effect of the water flow to reduce the coefficient of friction and the heat absorption properties of water to lower the contact temperature, thereby protecting the hull and dock handle structure and ensuring berthing safety. Currently, sprinkler operations in this scenario are mainly implemented using fire hoses and fire nozzles: one end of the fire hose is connected to the dock or ship's fire water source, and the other end is connected to the fire nozzle. The nozzle is temporarily tied to the ship's railing by hand, and water is sprayed at the contact point between the hull and the dock handle.

[0003] Regarding the above-mentioned and existing related technologies, the inventors believe that the following defects often exist: Existing technologies suffer from poor reliability. Spray nozzles and hoses used for localized spraying are typically fixed using temporary methods such as binding, lacking a stable connection structure. Under external forces such as ship swaying and water flow impact, the nozzles are prone to detaching or shifting from their fixed positions, causing the sprayed area to deviate from the target contact point and failing to provide effective protection. Furthermore, the binding tightness is difficult to control; too loose and it easily falls off, too tight and disassembly becomes difficult, affecting operational convenience.

[0004] Existing technologies suffer from drawbacks such as cumbersome operation and low efficiency. For spraying operations over long contact areas, multiple sections of hose need to be spliced, stretched, and fixed along the dock, relying entirely on manual operation, which is time-consuming and labor-intensive. Furthermore, the hoses are prone to damage during retrieval and reuse due to dragging. For spraying operations in localized areas, the nozzles need to be manually secured before each use, making the operation process complex and difficult to adapt to the requirements of rapid berthing. Summary of the Invention

[0005] The technical problem to be solved by the present invention is that the existing technology has the disadvantages of insufficient stability and flexibility. To this end, we propose a spray fixture with magnetic attachment for fixing the nozzle to prevent detachment.

[0006] To achieve the above objectives, this application adopts the following technical solution: a spray fixture with a magnetically fixed nozzle, comprising a main pipe, a water distribution component installed at the water collection end of the main pipe, a fixing component installed at the near end of the water distribution component relative to the main pipe, and a nozzle assembly installed at the far end of the water distribution component relative to the main pipe; the fixing component includes a water collection part, and a magnetically conductive part is installed on one side of the water collection part; the water collection part includes a water collecting pipe, and a tapered variable diameter section is machined inside the water collecting pipe; the magnetically conductive part includes a magnetic conductor, an inner cavity is opened on the front side of the magnetic conductor near the water collecting pipe, a piston head is installed at the opening of the inner cavity, a sealing tube is inserted into the outer periphery of the inner cavity, an annular groove is machined on the back side of the magnetic conductor, the inner edge of the annular groove surrounds to form a central protrusion, and a sealing element is installed inside the sealing tube.

[0007] Preferably, the inner diameter of the variable diameter section gradually decreases along the direction of the guide magnet in the water collection pipe.

[0008] Preferably, one end of the sealing tube is connected to the inner cavity, and the other end of the sealing tube is connected to the groove. A sealing element is installed inside the sealing tube, and the sealing element is located near the groove.

[0009] Preferably, one end of the sealing tube is connected to the inner cavity, the other end of the sealing tube is connected to the groove, and a sealing element is installed inside the sealing tube, with the sealing element located at both ends of the sealing tube.

[0010] Preferably, the water distribution assembly includes a one-way valve connected to one side of the main pipeline, and a water distribution section installed on the other side of the one-way valve along the axial direction of the main pipeline. One end of the water distribution section is connected to the one-way valve, and a water collection section is installed at the other end of the water distribution section. Fixing components are installed on both sides of the water distribution section.

[0011] Preferably, the water distribution section has a cross-shaped water conveyance channel inside.

[0012] Preferably, connecting components are installed on both sides of the water distribution component. The connecting components include a secondary pipe component, one end of which is connected to the water distribution section, and a positioning pin is installed on the other end of the secondary pipe component. A water hose interface is installed between the secondary pipe component and the positioning pin.

[0013] Preferably, the secondary pipe component includes a secondary pipe, and a fixing member two is installed on the outer peripheral surface of the secondary pipe on the side away from the water distribution section, and the water hose interface is located between the fixing member two and the secondary pipe.

[0014] Preferably, the nozzle assembly includes a nozzle base, a permanent magnet is installed on the connection surface between the nozzle base and the magnetic conductor, a circumferential protrusion is installed on the circumferential outer edge surface of the nozzle base, a spray pipe is installed at the near end of the nozzle base opposite to the magnetic conductor, and a nozzle is installed at the far end of the nozzle base opposite to the magnetic conductor.

[0015] Preferably, an extension tube may also be installed inside the variable diameter section.

[0016] The technical effects and advantages of this invention are as follows: In this invention, the nozzle assembly is stably installed through a dual fixing mechanism of magnetic pre-fixation and fluid-driven mechanical reinforcement. The nozzle base is initially fixed by the magnetic attraction between the permanent magnet and the magnetic conductor. At the same time, the hydrodynamic effect generated by the water flow through the variable diameter section generates a continuous force on the circumferential protrusion of the nozzle base. The greater the water pressure, the stronger the fixing force. This completely solves the defects of traditional lashing methods that are prone to falling off and shifting under the swaying of the ship and the impact of the water flow, ensuring that the spray area always accurately covers the contact point between the hull and the handle.

[0017] In this invention, the device adopts a modular design, requiring no complicated tools for installation. The nozzle assembly can be quickly embedded into the groove through magnetic pre-fixation, and can be easily disassembled after water is cut off by overcoming the magnetic attraction. The water distribution assembly realizes the series connection of multiple tools through the secondary pipe and water hose interface. The positioning pin can flexibly control the on and off to adjust the number of series connections. There is no need for manual pulling and binding of multiple water hoses, which greatly simplifies the deployment process of long-distance spraying operations and significantly shortens the preparation time for spraying a single ship at berth, adapting to the working conditions of rapid dock operations. Attached Figure Description

[0018] The disclosure of this invention is illustrated with reference to the accompanying drawings. It should be understood that the drawings are for illustrative purposes only and are not intended to limit the scope of protection of this invention. In the drawings, the same reference numerals are used to refer to the same parts: Figure 1 This is a three-dimensional structural diagram of the entire invention; Figure 2 This is a three-dimensional structural diagram of the entire invention; Figure 3 This is a three-dimensional structural diagram of the water distribution component and the connecting component of the present invention; Figure 4 This is a three-dimensional structural schematic diagram of the water distribution component of the present invention; Figure 5 This is a three-dimensional structural diagram of the secondary pipe component of the present invention; Figure 6 This is a three-dimensional structural diagram of the fixing component and the nozzle assembly of the present invention; Figure 7 This is a three-dimensional structural schematic diagram of the nozzle assembly of the present invention; Figure 8 This is a three-dimensional structural diagram of the fixing component of the present invention; Figure 9 This is a cross-sectional structural diagram of the fixing component of the present invention; Figure 10 This is a cross-sectional structural diagram of the fixing component of the present invention.

[0019] Legend: 1. Main pipe; 2. Inlet connector; 3. Water distribution assembly; 31. Check valve; 32. Water distribution section; 33. Fixing component one; 34. Water collection section; 4. Connecting assembly; 41. Secondary pipe assembly; 411. Secondary pipe; 412. Fixing component two; 42. Positioning pin; 43. Water hose interface; 5. Fixing assembly; 51. Water collection assembly; 511. Water collection pipe; 512. Variable diameter section; 513. Extending pipe; 52. Magnetic guide component; 521. Magnetic guide; 522. Central protrusion; 523. Inner cavity; 524. Piston head; 525. Sealing pipe; 526. Sealing component; 6. Sprayer assembly; 61. Sprayer base; 62. Permanent magnet; 63. Circumferential protrusion; 64. Spray pipe; 65. Nozzle. Detailed Implementation

[0020] It is readily understood that, based on the technical solution of this invention, those skilled in the art can propose various interchangeable structural methods and implementations without altering the essential spirit of the invention. Therefore, the following detailed embodiments and accompanying drawings are merely illustrative examples of the technical solution of this invention and should not be considered as the entirety of the invention or as limitations or restrictions on the technical solution of this invention.

[0021] Reference Figures 1-2 As shown, the present invention provides a technical solution: a spray fixture with magnetically fixed nozzles for preventing detachment, comprising a main pipe 1, an inlet connector 2 installed at the water inlet end of the main pipe 1, a water distribution assembly 3 installed at the water collection end of the main pipe 1, connecting assemblies 4 installed on both sides of the water distribution assembly 3, a fixing assembly 5 installed near the other end of the water distribution assembly 3 away from the main pipe 1, and a nozzle assembly 6 installed at the farthest end of the water distribution assembly 3 away from the main pipe 1.

[0022] Reference Figures 1-2 As shown in this implementation plan: Main pipeline 1, serving as the main water transport channel, is constructed using 316L stainless steel seamless pipe conforming to GB / T14976 standards. This design is suitable for the swaying conditions during ship berthing and the fixed requirements of dockside use. It is formed using a cold-drawing process to ensure a diameter of 19 mm and a pipe wall uniformity of ≤0.05 mm. The inner surface undergoes electrolytic polishing to achieve a roughness Ra≤0.8 μm to reduce water flow resistance. The outer surface is sandblasted to remove rust and then coated with two layers of epoxy resin for corrosion resistance. The inlet end of main pipeline 1 is designed with an arc-shaped, gradually expanding guide section to reduce the impact of water hammer. An inlet connector 2 is welded to the end of the guide section. The inlet connector 2 uses a 65 mm diameter grooved fire-fighting interface conforming to GB / T5135.11 standards and incorporates two nitrile rubber O-ring seals. A flat-welded flange is welded to the water collection end of main pipeline 1 and connected to the water distribution assembly 3 using four M8 stainless steel bolts. A U-shaped clamp or a split semi-circular clamp can be installed below the main pipe 1 to connect with the mounting base. The mounting base can be a ship railing or a dock handle.

[0023] Reference Figures 3-4 As shown in this embodiment: the water distribution component 3 is installed at the water collection end of the main pipeline 1 and connected and fixed to the main pipeline 1 via a flange. The function of the water distribution component 3 is to distribute the high-pressure water flow transported by the main pipeline 1 to the spray equipment distributed in an array along the wharf, realizing linear spraying operation to adapt to transport ships of different sizes. A one-way valve 31 is installed in the middle of the flange near the other side of the main pipeline 1. The valve disc is covered with nitrile rubber to prevent backflow of water. The spring material is 17-7PH stainless steel, and the opening pressure is 0.03MPa. When the pressure of the main pipeline is lower than the pressure at the outlet end, the valve disc automatically closes under the action of the spring force to ensure unidirectional flow of water in the system and prevent water hammer caused by backflow of the medium. The outlet end of the one-way valve 31 is connected to a water distribution section 32 by welding. The water distribution section 32 is formed by precision casting and is made of 316L stainless steel. The interior of the water distribution section 32 has a cross-shaped water distribution direction, which extends along the main pipeline in the direction of the one-way valve 31. The inner diameter of the channel is 15mm, and the inner diameter of the orthogonally distributed branch channels is 12mm. The intersection of each channel adopts a rounded transition. After the water flow enters from the one-way valve 31, the water flow can be distributed into three directions: axial and radial on both sides through the cross-shaped structure. The water flow channel in the same axial direction as the one-way valve 31 is equipped with a water collection section 34. The inner diameter of the water collection section 34 is 19mm. Its function is to collect the axial water flow and stably deliver it to the nozzle assembly 6. In the direction of the branch channel and on the flat surface on both sides of the water distribution section 32, two fasteners 33 are welded and installed. The fasteners 33 are designed in a ring shape, and the connecting component 4 is installed in the inner diameter of the ring.

[0024] Reference Figures 3-5 As shown in this embodiment: the connecting component 4 includes a secondary pipe component 41, one end of which is connected to the water distribution section 32, and the other end of which is equipped with a positioning pin 42. A water hose interface 43 is installed between the secondary pipe component 41 and the positioning pin 42.

[0025] The secondary pipe component 41 includes a secondary pipe 411, which is also made of 316L stainless steel seamless pipe. Its outer diameter is fitted with the inner diameter of the fixing member 33 to achieve radial positioning. The secondary pipe 411 receives the water flow collected from the branch channel, and its inlet end is connected to the branch channel by socket welding. A fixing member 412 is installed on the outer circumferential surface of the secondary pipe 411 on the side away from the water distribution section 32. The fixing member 412 is a stainless steel forging and can be fixedly or movably connected to the secondary pipe 411. For example, the fixing member 412 can be welded to the outer circumferential surface of the secondary pipe 411, or threads can be machined on the outer circumferential surface of the secondary pipe 411 to achieve a threaded connection with the fixing member 412. A hose connector 43 is installed between the fixing component 412 and the secondary pipe 411. The hose connector 43 is fitted onto the reducing section 512 of the secondary pipe 411. The internal water supply channel is used to receive the water flow from the secondary pipe 411. A hose is installed at the end of the hose connector 43. The hose adopts a fiber braided structure coated with synthetic rubber. The hose connects the spraying equipment distributed linearly along the dock. The function of the hose connector 43 is to transport the water from the fire hydrant to the main pipe 1, then to the water distribution section 32, then to the secondary pipe 411, and output from the hose connector 43. The water is then connected to each spraying equipment through the hose to achieve continuous linear spraying operation. On the other side of the fixing component 412, a positioning pin 42 is installed. The positioning pin 42 is made of brass H62 and has a cylindrical helical spring inside. Pressing it triggers the spring to compress, which drives the positioning rod to insert into the water delivery inner diameter of the secondary pipe 411, thereby closing the water delivery channel. When it is necessary to open the channel, the positioning pin 42 is released, and the spring pushes the positioning rod to return to its original position.

[0026] Reference Figures 8-10 As shown in this embodiment: the fixing component 5 includes a water collection component 51, which is welded and fixed to the water collection section 34 of the pipeline. A magnetic conductive component 52 is installed on the opposite side of the water collection section 34 on the water collection component 51. Since the existing technology uses temporary binding of water hose and fire nozzle, there are defects that it is easy to fall off and shift. This solution uses a variety of methods to solve the problem of the working stability of the spraying equipment. Example

[0027] The water collection component 51 includes a water collection pipe 511, which is made of 316L stainless steel seamless pipe with a diameter of 30 mm. The water collection pipe 511 is fixed to the water collection section 34 by welding. The water collection pipe 511 has a tapered variable diameter section 512 water transport channel inside. The inner diameter gradually decreases from 26 mm to 18 mm along the direction of the guide magnet component 52 in the water collection section 34. This structure can significantly improve the water flow velocity.

[0028] The magnetic conductive component 52 includes a magnetic conductor 521, which is precision cast from 10# steel and has a cylindrical design. It is connected and fixed to the water collection section 34 by epoxy resin adhesive. The magnetic conductor 521 has an annular inner cavity 523 in the middle of the connection surface between the magnetic conductor 521 and the water collection section 34, and an annular groove is formed on the back. The diameter of the inner cavity 523 is smaller than that of the groove. The groove encloses to form an annular central protrusion 522. A water delivery pipe is machined inside the central protrusion 522. The water delivery pipe has the same inner diameter as the end of the reducing section 512.

[0029] A piston head 524 is installed at the opening of the inner cavity 523. The piston head 524 is made of brass, and a circular cross-section rubber gasket is installed on its outer edge. It is integrally formed with the piston head 524 through a vulcanization process. The inner cavity 523 is filled with oil, and the piston head 524 seals to prevent the oil from leaking out. Six sealing tubes 525 are evenly inserted in a ring array on the outer circumference of the inner cavity 523. The sealing tubes 525 are made of stainless steel and are connected to the magnetic conductor 521 by vacuum brazing. One end of the sealing tube 525 is tangentially connected to the inner cavity 523, and the other end of the sealing tube 525 is connected to... At the outer edge of the groove on the back, the opening diameter is 5 mm. A cylindrical seal 526 is embedded in the sealing tube 525 near the groove. The seal 526 is made of nitrile rubber with rounded corners at both ends. The surface of the seal 526 can be machined with grooves to enhance friction. The inner side of the sealing tube 525 and the outer edge of the seal 526 are coated with marine-grade anti-salt spray hydraulic oil. Rust inhibitors are added to the oil to form a protective film on the metal surface, isolating it from seawater corrosion. The oil has water separation properties, which can effectively separate the infiltrated seawater, prevent emulsification and deterioration, and ensure long-term stable operation of the system.

[0030] When high-pressure water flows from the collection section 34 into the reducing section 512, the water flow speed increases under the influence of the conical pipe, scouring the piston head 524. The piston head 524 is pushed into the inner cavity 523. Since the oil is incompressible, the oil flows into the guide magnet 521 along the sealing pipe 525, driving the sealing element 526 to be squeezed into the groove, generating circumferential pressure on the nozzle assembly 6 embedded in the groove to achieve a fixing effect. According to Bernoulli's principle, in the directional and steady flow of a fluid, as the flow velocity increases, the static pressure of the fluid will decrease accordingly. At this time, the pressure of the variable diameter section 512 is in a negative pressure state. When no water flows into the variable diameter section 512, the piston head 524 is pulled upward by the negative pressure, causing the oil to flow back in the sealing pipe 525, which drives the sealing element 526 to rise. The circumferential extrusion pressure of the nozzle assembly 6 disappears. At this time, the force between the fixed nozzle assembly 6 and the fixed component 5 is only magnetic attraction. The nozzle assembly 6 and the fixed component 5 can be separated by the operator, ensuring flexibility while improving stability during operation. Example

[0031] The other structures of the fixing component 5 are consistent with those of embodiment 1, except that: in the direction of the large diameter of the variable diameter section 512, an extension tube 513 extends to the middle of the variable diameter section 512, and the extension tube 513 is connected and fixed to the water collection section 34 by adhesive. There is no inner cavity 523 on the connection surface between the magnetic conductor 521 and the water collection pipe 511, and the middle part of the magnetic conductor 521 only has a water passage.

[0032] One end of the sealing tube 525 is fixed to the outer edge of the groove, and the other end of the sealing tube 525 is installed at the large diameter opening of the variable diameter section 512 and is located next to the protruding tube 513. The sealing element 526 inside the sealing tube 525 is located at the openings at both ends.

[0033] When high-pressure water flows from the water collection section 34 into the water collection pipe 511 through the extension pipe 513, the water flows directly out from the water passage of the magnetic conductor 521. According to Bernoulli's principle, in the directional and steady flow of fluid, as the flow velocity increases, the static pressure of the fluid will decrease accordingly. At this time, the pressure in the variable diameter section 512 is in a negative pressure state. Under the action of negative pressure, the seal 526 near the extension pipe 513 is drawn into the variable diameter section 512, which drives the oil in the sealing pipe 525 to move. The seal 526 located in the groove is lifted upward, generating negative pressure to circumferentially adsorb and embed the nozzle assembly 6, thereby improving the fixing ability.

[0034] Reference Figures 6-7 As shown in this embodiment, the nozzle assembly 6 includes a nozzle base 61, which is precision machined from 316L stainless steel. The nozzle base 61 has a cylindrical structure, and its outer diameter matches the inner diameter of the groove in the magnetic conductor 521, allowing it to be tightly embedded in the groove for initial positioning. An annular mounting groove is provided on the connection surface between the nozzle base 61 and the magnetic conductor 521. An annular permanent magnet 62 is fixedly installed in the groove. The permanent magnet 62 and the magnetic surface of the magnetic conductor 521 are positioned opposite each other, and magnetic attraction enhances the stability of their connection. Two circumferential protrusions 63 are symmetrically machined on the outer circumferential edge of the nozzle base 61. These protrusions have an arc-shaped structure and correspond to the concave portion within the groove of the magnetic conductor 521, forming a mechanical engagement to prevent the nozzle base 61 from rotating or loosening axially. A spray pipe 64 is vertically welded to the center of the back of the nozzle base 61 via argon arc welding. The spray pipe 64 is made of stainless steel of the same material, and its internal through-hole is connected to the central water passage of the nozzle base 61 to ensure smooth water flow. A nozzle 65 is installed at the other end of the spray pipe 64 via a threaded connection. The nozzle 65 adopts a fan-shaped spray structure, and the spray angle can be adjusted according to needs. Its water inlet end is sealed to the spray pipe 64 to ensure that the high-pressure water flow is converted into a directional spray flow through the nozzle, precisely acting on the contact area between the hull and the handle.

[0035] Working Principle: During use, the main pipeline 1 is connected to the fire water source through the inlet connector 2. The water flows through the main pipeline to the water distribution component 3. The one-way valve 31 ensures that the water flows in one direction to avoid water hammer. The water distribution component 3 divides the water flow into three directions: axial and two radial directions through the cross-shaped water distribution section 32. The axial water flow enters the water collection pipe 511 of the fixed component 5 through the water collection section 34. The two radial water flows through the auxiliary pipe 411 and the water hose interface 43, and is connected to other spraying devices through the water hose to achieve linear spray coverage. The positioning pin 42 can control the opening and closing of the auxiliary pipe 411 to adjust the number of devices connected in series. In the fixed component 5, the water flow velocity increases when it passes through the variable diameter section 512. The high-speed water flow pushes the piston head 524 to compress the oil in the inner cavity 523. The oil drives the seal 526 to squeeze into the groove through the sealing pipe 525. Alternatively, the negative pressure generated by the variable diameter section 512 pulls the oil to move through the sealing pipe 525, causing the seal 526 to rise and form an adsorption force. The nozzle assembly 6 is embedded in the groove of the magnetic conductor 521 through the nozzle base 61. The magnetic attraction between the permanent magnet 62 and the magnetic conductor 521 achieves pre-fixation. The sealing member 526 further enhances the fixation by squeezing or adsorbing the circumferential protrusion 63. The water flow finally exits from the nozzle 65 through the spray pipe 64, precisely acting on the contact area between the hull and the handle. After the water supply is cut off, the piston head 524 resets or the negative pressure disappears, and the sealing member 526 retracts. The nozzle assembly can be disassembled simply by overcoming the magnetic attraction. Multi-directional water flow distribution and tooling are achieved through the water distribution component 3, adapting to the berthing length requirements of different ships; the fluid characteristics of the variable diameter section 512 drive the seal 526 to generate mechanical fixing force, combined with magnetic pre-fixing to form a dynamic stability mechanism where the greater the water flow, the stronger the fixation, effectively solving the problem of easy detachment of traditional binding fixation; the fixing and disassembly process requires no tools, and the positioning pin 42 and magnetic structure simplify the operation process and greatly improve the work efficiency; the all-stainless steel material and anti-corrosion treatment ensure long-term reliable operation of the device in the seawater environment, and the whole achieves an organic unity of spraying accuracy, fixing stability and operation convenience.

[0036] The technical scope of this invention is not limited to the content described above. Those skilled in the art can make various modifications and variations to the above embodiments without departing from the technical concept of this invention, and all such modifications and variations should fall within the protection scope of this invention.

Claims

1. A spray fixture with a magnetically fixed nozzle for preventing detachment, characterized in that, Includes a main pipe, a water distribution assembly is installed at the water collection end of the main pipe, a fixing assembly is installed at the near end of the water distribution assembly relative to the main pipe, and a nozzle assembly is installed at the far end of the water distribution assembly relative to the main pipe. The fixing component includes a water collection component, and a magnetic conductive component is installed on one side of the water collection component; The water collection component includes a water collection pipe, the inside of which is machined with a tapered variable diameter section; The magnetic conductive component includes a magnetic conductor. The magnetic conductor has an inner cavity on its front side near the water collection pipe. A piston head is installed at the opening of the inner cavity. A sealing tube is inserted into the outer periphery of the inner cavity. An annular groove is machined on the back side of the magnetic conductor. The inner edge of the annular groove surrounds and forms a central protrusion. A sealing element is installed inside the sealing tube.

2. The anti-detachment spray fixture with magnetically fixed nozzle as described in claim 1, characterized in that: The inner diameter of the variable diameter section gradually decreases along the direction of the guide magnet in the water collection pipe.

3. The anti-detachment spray fixture with magnetically fixed nozzle as described in claim 1, characterized in that: One end of the sealing tube is connected to the inner cavity, and the other end of the sealing tube is connected to the groove. A sealing element is installed inside the sealing tube, and the sealing element is located near the groove.

4. The anti-detachment spray fixture with magnetically fixed nozzle as described in claim 1, characterized in that: One end of the sealing tube is connected to the inner cavity, and the other end of the sealing tube is connected to the groove. A sealing element is installed inside the sealing tube, and the sealing element is located at both ends of the sealing tube.

5. The anti-detachment spray fixture with magnetically fixed nozzle as described in claim 1, characterized in that: The water distribution assembly includes a one-way valve connected to one side of the main pipeline. A water distribution section is installed on the other side of the one-way valve along the axial direction of the main pipeline. One end of the water distribution section is connected to the one-way valve, and a water collection section is installed at the other end of the water distribution section. Fixing components are installed on both sides of the water distribution section.

6. The anti-detachment spray fixture with magnetically fixed nozzle according to claim 5, characterized in that: The water distribution section has a cross-shaped water conveyance channel inside.

7. The anti-detachment spray fixture with magnetically fixed nozzle according to claim 1, characterized in that: The water distribution component is equipped with connecting components on both sides. Each connecting component includes a secondary pipe component. One end of the secondary pipe component is connected to the water distribution section, and the other end of the secondary pipe component is equipped with a positioning pin. A water hose interface is installed between the secondary pipe component and the positioning pin.

8. The anti-detachment spray fixture with magnetically fixed nozzle as described in claim 7, characterized in that: The secondary pipe component includes a secondary pipe, and a fixing component two is installed on the outer peripheral surface of the secondary pipe on the side away from the water distribution section. The water hose interface is located between the fixing component two and the secondary pipe.

9. The anti-detachment spray fixture with magnetically fixed nozzle according to claim 1, characterized in that: The nozzle assembly includes a nozzle base, a permanent magnet is mounted on the connection surface between the nozzle base and the magnetic conductor, a circumferential protrusion is mounted on the outer circumferential edge of the nozzle base, a spray pipe is mounted on the near end of the nozzle base away from the magnetic conductor, and a nozzle is mounted on the far end of the nozzle base away from the magnetic conductor.

10. The anti-detachment spray fixture with magnetically fixed nozzle according to claim 1, characterized in that: An extension tube may also be installed inside the variable diameter section.

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