An adjustable flow nozzle device

By designing an adjustable flow nozzle device, using a snap ring connection, flow adjustment mechanism, and filter screen, the problems of traditional nozzle devices being unable to adjust flow, difficult to disassemble and assemble, and poor sealing performance are solved, thus achieving convenient flow adjustment and improving the stability and safety of the device.

CN224405397UActive Publication Date: 2026-06-26JIANGSU YEYUN SPRAY TECHNOLOGY CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
JIANGSU YEYUN SPRAY TECHNOLOGY CO LTD
Filing Date
2025-07-21
Publication Date
2026-06-26

AI Technical Summary

Technical Problem

Traditional nozzle devices cannot adjust the flow rate, are difficult to disassemble and assemble, lack a filtration mechanism, and have poor sealing performance, resulting in resource waste, low efficiency, and safety hazards.

Method used

An adjustable flow nozzle device was designed, which uses a snap ring connection for quick assembly and disassembly, and is equipped with a flow adjustment mechanism and a filter screen. Fluororubber sealing rings are used to ensure sealing performance. The device includes a lever adjustment component and a sealing ring to adjust the flow rate and filter impurities.

Benefits of technology

It enables convenient flow adjustment, reduces the risk of blockage, extends service life, improves the stability and safety of the device, and ensures efficient and reliable use.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to fluid jet device technical field especially relates to a nozzle device of adjustable flow, including device body, device body includes spout subassembly, nozzle body and flow regulating mechanism, spout subassembly and nozzle body are provided with snap spring between, spout subassembly is detachably connected in the front end of nozzle body through snap spring, the rear end of nozzle body is provided with joint, the inside of joint is provided with screw thread, flow regulating mechanism is connected with joint through screw thread, flow regulating mechanism includes connecting casing, handle adjusting assembly and connecting fastening nut, the front end of connecting casing is connected with joint, handle adjusting assembly is embedded in the middle part of connecting casing, is used for adjusting the flow of fluid into nozzle body, connecting fastening nut is installed in the rear end of connecting casing, is used for accessing fluid pipeline, the utility model structure is simple, flow regulation is convenient, and dismounting is flexible and easy to maintain and sealed reliably, can be widely applied to the scene that needs flexible regulation jet flow.
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Description

Technical Field

[0001] This utility model relates to the field of fluid jetting device technology, and in particular to an adjustable flow nozzle device. Background Technology

[0002] Traditional nozzle devices have the following shortcomings in the use of fluid jetting devices: First, most nozzles are fixed structures, making it impossible to adjust the flow rate according to actual needs, resulting in wasted resources or low efficiency; Second, nozzle components mostly use fixed connections, making disassembly and assembly time-consuming and laborious when different nozzle specifications need to be replaced or maintenance is required; Third, they lack effective filtration mechanisms, allowing impurities in the fluid to easily enter the nozzle, causing blockages and affecting the jetting effect and service life; Fourth, their sealing performance is poor, making them prone to leakage under high-pressure fluid, which not only reduces efficiency but may also pose safety hazards. Utility Model Content

[0003] To address some of the problems existing in the prior art, this utility model provides an adjustable flow nozzle device. This nozzle device has a simple structure, convenient flow adjustment, flexible disassembly and assembly, easy maintenance, and reliable sealing. It can be widely used in scenarios that require flexible adjustment of the jet flow.

[0004] To achieve the above objectives, this utility model provides an adjustable flow nozzle device, comprising a device body, the device body including a nozzle assembly, a nozzle body, and a flow regulating mechanism; a retaining spring is provided between the nozzle assembly and the nozzle body, and the nozzle assembly is detachably connected to the front end of the nozzle body via the retaining spring; a connector is provided at the rear end of the nozzle body, and the inner side of the connector is provided with threads; the flow regulating mechanism is connected to the connector via threads, and the flow regulating mechanism includes a connecting housing, a lever adjustment assembly, and a connecting fastening nut; the front end of the connecting housing is connected to the connector, the lever adjustment assembly is embedded in the middle of the connecting housing, and is used to regulate the flow rate of fluid entering the nozzle body; the connecting fastening nut is installed at the rear end of the connecting housing, and is used to press the mating surface of the lever adjustment assembly and connect to the fluid pipeline.

[0005] In operation, the fluid enters through the connecting fastening nut, first passes through a filter screen to remove impurities, and then enters the lever adjustment assembly. By moving the lever, the connecting rod moves along the arc-shaped slot on the connecting housing, causing the rotating block to rotate around the central axis of the mounting plate. The alignment of the rotating block with the flow holes on the first and second clamping blocks changes, thereby adjusting the fluid flow path to control the flow rate. The adjusted fluid enters the threaded connector through the connecting housing, then flows into the nozzle body, and finally exits through the contraction-type front outlet of the nozzle assembly. The nozzle assembly is quickly assembled and disassembled with the nozzle body via a snap ring. The first, second, and third sealing rings ensure the sealing performance of each connection part, and the connecting fastening nut presses the mating surface of the lever adjustment assembly to ensure the overall structural stability.

[0006] The beneficial effects of this utility model are as follows: The nozzle assembly and nozzle body are detachably connected via a snap ring, greatly simplifying the disassembly and assembly process of the nozzle assembly and facilitating quick replacement or maintenance; in the flow regulation mechanism, the lever adjustment component limits the rotation angle through an arc-shaped slot, and changes the fluid path in conjunction with the flow holes on the rotating block and the clamping block, making operation simple and allowing for precise flow regulation; the set filter screen effectively filters impurities in the fluid, reducing the risk of clogging and extending the service life of the device; the first, second, and third sealing rings made of fluororubber are used between the connecting housing and each component, and a reasonable compression amount is designed to ensure the sealing performance of the device and effectively prevent leakage; the overall structure achieves reliable connection through threads and connecting fastening nuts, with each component fitting tightly, improving the overall stability and durability of the device and meeting the requirements for efficient, convenient, and reliable use.

[0007] As a further improvement of this utility model, in order to achieve flow regulation and optimize the convenience of regulation operation, the toggle adjustment assembly includes a toggle block, a connecting rod, a rotating block, and a mounting plate; the side wall of the connecting housing is provided with a slot, the connecting rod passes through the slot, and its two ends are fixedly connected to the outer periphery of the toggle block and the rotating block respectively; the rotating block is embedded in the mounting plate, and the mounting plate is fixed inside the connecting housing; the toggle adjustment assembly also includes a first clamping block and a second clamping block, and the rotating block is clamped by the first clamping block and the second clamping block; the rotating block, the first clamping block and the second clamping block are all provided with multiple flow holes, and the flow holes are used for fluid passage; the toggle block moves along the slot, which can drive the rotating block to rotate synchronously around the central axis of the mounting plate, so as to change the passage path of the fluid from the flow holes and realize flow regulation.

[0008] As a further improvement of this utility model, in order to effectively filter fluid impurities, reduce the risk of clogging, and extend the service life of the device, a filter screen is provided between the lever adjustment component and the connecting fastening nut for filtering impurities in the fluid; the mesh diameter of the filter screen is 0.1mm to 0.5mm, and the filter screen can be disassembled and replaced individually.

[0009] As a further improvement of this utility model, in order to enhance the sealing performance and prevent leakage, a first sealing ring and a second sealing ring are respectively provided between the lever adjustment component and the connecting housing and the filter screen, and a third sealing ring is provided between the connecting housing and the connecting fastening nut; the first sealing ring, the second sealing ring and the third sealing ring are all made of fluororubber, and the compression of the first sealing ring, the second sealing ring and the third sealing ring is 0.3mm~0.5mm, 0.3mm~0.5mm and 0.4mm~0.7mm respectively.

[0010] As a further improvement of this utility model, in order to maximize the rotation angle, ensure the stability and safety of flow regulation, and avoid structural damage caused by excessive rotation, the slot is an arc-shaped structure with an arc range of 30° to 120° to limit the maximum rotation angle of the rotating block.

[0011] As a further improvement of this utility model, in order to achieve quick assembly and disassembly of the nozzle assembly and the nozzle body and improve maintenance and replacement efficiency, the front outlet of the nozzle assembly is a converging structure, and the rear outer periphery of the nozzle assembly is provided with an annular groove that matches the retaining spring; the retaining spring is engaged in the annular groove and embedded in the front end of the nozzle body, thereby achieving quick assembly and disassembly of the nozzle assembly and the nozzle body. Attached Figure Description

[0012] To facilitate understanding by those skilled in the art, the present invention will be further described below with reference to the accompanying drawings:

[0013] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0014] Figure 2 This is an exploded view of the flow regulation mechanism in this utility model.

[0015] Figure 3 This is an exploded view of the structure of the lever adjustment component in this utility model.

[0016] The components include: 1. Nozzle assembly; 2. Snap ring; 3. Nozzle body; 4. Connector; 5. Thread; 6. Flow regulating mechanism; 61. Connecting housing; 62. Slot; 63. First sealing ring; 64. Handle adjusting assembly; 641. Toggle block; 642. Connecting rod; 643. Rotating block; 644. Mounting plate; 645. First clamping block; 646. Second clamping block; 65. Second sealing ring; 66. Filter screen; 67. Third sealing ring; and 68. Connecting fastening lock nut. Detailed Implementation

[0017] To enable those skilled in the art to better understand the technical solutions in this utility model, the following description is provided in conjunction with the appendix. Figure 1-3 The present invention will be further described below. The following embodiments are only used to illustrate the technical solution of the present invention more clearly, and should not be used to limit the protection scope of the present invention.

[0018] In the description of this application, it should be noted that the terms "first", "second", and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0019] like Figure 1-3An adjustable flow nozzle device is shown, comprising a device body, which includes a nozzle assembly 1, a nozzle body 3, and a flow regulating mechanism 6. A retaining spring 2 is provided between the nozzle assembly 1 and the nozzle body 3, and the nozzle assembly 1 is detachably connected to the front end of the nozzle body 3 via the retaining spring 2. A connector 4 is provided at the rear end of the nozzle body 3, and a thread 5 is provided on the inner side of the connector 4. The flow regulating mechanism 6 is connected to the connector 4 via the thread 5, and the flow regulating mechanism 6 includes a connecting housing 61, a lever adjustment assembly 64, and a connecting fastening nut 68. The front end of the connecting housing 61 is connected to the connector 4, and the lever adjustment assembly 64 is embedded in the connector 4. Located in the middle of the connecting housing 61, it is used to adjust the flow rate of fluid entering the nozzle body 3; the connecting fastening nut 68 is installed at the rear end of the connecting housing 61 to press the mating surface of the lever adjustment assembly 64 and connect to the fluid pipeline; the lever adjustment assembly 64 includes a lever block 641, a connecting rod 642, a rotating block 643, and a mounting plate 644; the side wall of the connecting housing 61 has a slot 62, through which the connecting rod 642 passes, and its two ends are fixedly connected to the outer periphery of the lever block 641 and the rotating block 643 respectively; the rotating block 643 is embedded in the mounting plate 644, and the mounting plate 644 is fixed inside the connecting housing 61; the lever adjustment... The section assembly 64 also includes a first clamping block 645 and a second clamping block 646, through which the rotating block 643 is clamped and held. Multiple flow holes are provided on the rotating block 643, the first clamping block 645, and the second clamping block 646 for fluid passage. The toggle block 641 moves along the slot 62, causing the rotating block 643 to rotate synchronously around the central axis of the mounting plate 644, thereby changing the fluid's path through the flow holes and regulating the flow rate. A filter screen 66 is provided between the toggle adjustment assembly 64 and the connecting fastening nut 68 to filter impurities in the fluid. The filter screen 66 has a mesh diameter of 0.1mm to 0.5mm and can be disassembled and replaced individually. A first sealing ring 63 and a second sealing ring 65 are respectively provided between the lever adjustment assembly 64, the connecting housing 61, and the filter screen 66. A third sealing ring 67 is provided between the connecting housing 61 and the connecting fastening nut 68. The first sealing ring 63, the second sealing ring 65, and the third sealing ring 67 are all made of fluororubber, and their compression amounts are 0.3mm to 0.5mm, 0.3mm to 0.5mm, and 0.4mm to 0.5mm, respectively.7mm; the slot 62 has an arc-shaped structure with an arc range of 30° to 120° to limit the maximum rotation angle of the rotating block 643; the front outlet of the nozzle assembly 1 has a converging structure, and the rear outer periphery of the nozzle assembly 1 is provided with an annular groove adapted to the retaining spring 2; the retaining spring 2 is engaged in the annular groove and embedded in the front end of the nozzle body 3, realizing quick assembly and disassembly of the nozzle assembly 1 and the nozzle body 3.

[0020] When this utility model is in operation, the fluid enters through the connecting fastening nut 68, first passes through the filter screen 66 to filter impurities, and then enters the lever adjustment assembly 64. By moving the lever block 641, the connecting rod 642 moves along the arc-shaped slot 62 on the connecting housing 61, thereby causing the rotating block 643 to rotate around the central axis of the mounting plate 644. The alignment state of the rotating block 643 with the flow holes on the first pressing block 645 and the second pressing block 646 changes, thereby adjusting the fluid passage path to control the flow rate. The adjusted fluid enters the threaded connector 4 through the connecting housing 61, then flows into the nozzle body 3, and finally sprays out through the contracted front end outlet of the nozzle assembly 1. The nozzle assembly 1 is quickly disassembled and assembled with the nozzle body 3 through the snap ring 2. The first sealing ring 63, the second sealing ring 65, and the third sealing ring 67 ensure the sealing performance of each connection part. The connecting fastening nut 68 presses the mating surface of the lever adjustment assembly 64 to ensure the stability of the overall structure.

[0021] The above description is merely a preferred embodiment of this utility model. The protection scope of this utility model is not limited to the above embodiments. All technical solutions falling within the scope of this utility model's concept are protected. It should be noted that for those skilled in the art, any improvements and modifications made without departing from the principle of this utility model should also be considered within the protection scope of this utility model.

Claims

1. An adjustable flow nozzle device, comprising a device body, characterized in that: The device body includes a nozzle assembly (1), a nozzle body (3), and a flow regulating mechanism (6); a retaining ring (2) is provided between the nozzle assembly (1) and the nozzle body (3), and the nozzle assembly (1) is detachably connected to the front end of the nozzle body (3) through the retaining ring (2); a connector (4) is provided at the rear end of the nozzle body (3), and a thread (5) is provided on the inner side of the connector (4); the flow regulating mechanism (6) is connected to the connector (4) through the thread (5), and the flow regulating mechanism (6) includes a connecting housing (61), a lever adjustment assembly (64), and a connecting fastening nut (68); the front end of the connecting housing (61) is connected to the connector (4), and the lever adjustment assembly (64) is embedded in the middle of the connecting housing (61) for regulating the flow rate of fluid entering the nozzle body (3); the connecting fastening nut (68) is installed at the rear end of the connecting housing (61) for pressing the mating surface of the lever adjustment assembly (64) and connecting to the fluid pipeline.

2. The adjustable flow nozzle device according to claim 1, characterized in that: The lever adjustment assembly (64) includes a lever block (641), a connecting rod (642), a rotating block (643), and a mounting plate (644); the side wall of the connecting housing (61) is provided with a slot (62), the connecting rod (642) is provided through the slot (62), and its two ends are fixedly connected to the outer periphery of the lever block (641) and the rotating block (643), respectively; the rotating block (643) is embedded in the mounting plate (644), and the mounting plate (644) is fixed inside the connecting housing (61); the lever adjustment assembly (64) also includes a first clamping block. (645) and the second clamping block (646), the rotating block (643) is clamped by the first clamping block (645) and the second clamping block (646); the rotating block (643), the first clamping block (645) and the second clamping block (646) are all provided with multiple flow holes, the flow holes are used for fluid to pass through; the toggle block (641) moves along the slot (62) and can drive the rotating block (643) to rotate synchronously around the central axis of the mounting plate (644) to change the passage path of the fluid from the flow hole and realize the flow rate regulation.

3. The adjustable flow nozzle device according to claim 1, characterized in that: A filter screen (66) is provided between the lever adjustment assembly (64) and the connecting fastening nut (68) for filtering impurities in the fluid; the mesh diameter of the filter screen (66) is 0.1mm to 0.5mm, and the filter screen (66) can be disassembled and replaced individually.

4. The adjustable flow nozzle device according to claim 1, characterized in that: A first sealing ring (63) and a second sealing ring (65) are respectively provided between the lever adjustment assembly (64), the connecting housing (61), and the filter screen (66), and a third sealing ring (67) is provided between the connecting housing (61) and the connecting fastening nut (68); the first sealing ring (63), the second sealing ring (65), and the third sealing ring (67) are all made of fluororubber, and the compression amounts of the first sealing ring (63), the second sealing ring (65), and the third sealing ring (67) are 0.3mm~0.5mm, 0.3mm~0.5mm, and 0.4mm~0.7mm, respectively.

5. The adjustable flow nozzle device according to claim 2, characterized in that: The slot (62) has an arc-shaped structure with an arc range of 30° to 120° to limit the maximum rotation angle of the rotating block (643).

6. The adjustable flow nozzle device according to claim 1, characterized in that: The nozzle assembly (1) has a converging outlet at the front end and an annular groove that is adapted to the retaining ring (2) on the outer periphery of the rear end. The retaining ring (2) is engaged in the annular groove and embedded in the front end of the nozzle body (3) to achieve quick assembly and disassembly of the nozzle assembly (1) and the nozzle body (3).