A dishwasher rinse arm and a dishwasher
By designing an integrated rinsing unit and a rinsing arm structure with interconnected water channels within the internal cavity, the problems of uneven water flow, dead cleaning corners, and complex sealing in traditional dishwasher rinsing arms have been solved, achieving efficient and stable cleaning results and improved equipment reliability.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHENZHEN ANPU ENERGY SAVING TECH CO LTD
- Filing Date
- 2025-07-02
- Publication Date
- 2026-08-04
AI Technical Summary
Traditional dishwasher rinsing arms suffer from uneven water flow distribution, numerous cleaning dead spots, poor assembly stability, and complex sealing structures, failing to meet the market demand for high efficiency, energy saving, and stability.
Design an integrated rinsing unit consisting of a rinsing arm, a water distribution bolt, a connecting nut, and a threaded sleeve. It achieves 360° rotation without dead angles through the rotating connection of the bushing. Combined with the water channel design with interconnected internal cavities, it eliminates the need for traditional sealing components.
It achieves 360° cleaning without dead angles, improves water flow coverage, reduces assembly difficulty and cost, and enhances the reliability and service life of the equipment.
Smart Images
Figure CN224584730U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of dishwasher technology, and in particular to a dishwasher rinsing arm. Background Technology
[0002] In the field of modern dishwasher technology, the rinsing arm, as a core component for achieving efficient dishwashing, directly impacts cleaning performance and energy consumption through its structural design. Traditional dishwasher rinsing arms often employ fixed connections or a single rotating structure, resulting in uneven water distribution, numerous cleaning dead zones, and poor assembly stability. For example, some rinsing arms are connected by simple bolts, which are prone to loosening due to water flow impact during use, leading to water leakage and power loss; some one-piece structures make it difficult to flexibly adjust the spray angle, resulting in poor cleaning performance for complex-shaped dishes. Furthermore, the water circuit connection method of traditional rinsing arms usually requires an additional sealing structure, increasing assembly complexity and the risk of failure, failing to meet market demands for efficient, energy-saving, and stable dishwashers. Therefore, improvements are necessary. Utility Model Content
[0003] The purpose of this invention is to overcome the shortcomings of the prior art and provide a dishwasher rinsing arm.
[0004] The present invention provides a dishwasher rinsing arm, including a rinsing arm and a water-dividing bolt passing through the rinsing arm. The water-dividing bolt is fixedly connected to the rinsing arm, a connecting nut is threadedly connected to the water-dividing bolt, and a threaded sleeve is threadedly connected to the connecting nut. The rinsing arm, the water-dividing bolt, the connecting nut, and the threaded sleeve form a rinsing unit, and the rinsing unit is rotatably connected around the bushing.
[0005] Furthermore, the rinsing arm is provided with a first protruding ring, and the water-dividing bolt is provided with a first groove that mates with the first protruding ring.
[0006] Furthermore, the first convex ring is integrally formed with the rinsing arm, and the first groove is integrally formed with the water-dividing bolt.
[0007] Furthermore, the top of the water-dividing bolt is sealed and has a limiting member that connects to the rinsing arm.
[0008] Furthermore, the connecting nut is provided with a second groove, and the rinsing arm is provided with a second protrusion that mates with the second groove.
[0009] Furthermore, the second groove is integrally formed with the connecting nut, and the second convex ring is integrally formed with the rinsing arm.
[0010] Furthermore, a first sealing ring is provided on the outer periphery of the bushing near the water distribution bolt, and an annular groove is provided on the threaded sleeve for cooperating with the first sealing ring.
[0011] Furthermore, a second sealing ring is provided on the outer periphery of the bushing away from the water distribution bolt, and an annular groove is provided on the threaded sleeve for cooperating with the second sealing ring.
[0012] Furthermore, a lock nut is threaded onto the end of the bushing away from the water distribution bolt, and the lock nut is used to press the second sealing ring.
[0013] The present invention also provides a dishwasher, including the dishwasher rinsing arm described in any of the above-mentioned claims.
[0014] The above technical solution has the following beneficial effects:
[0015] The dishwasher rinsing arm provided by this utility model achieves multiple technological breakthroughs through structural design. Firstly, the integrated rinsing unit, composed of the rinsing arm, water-dividing bolt, connecting nut, and threaded sleeve, combined with the rotating connection design of the bushing, forms a stable and flexible rotating cleaning structure. This ensures that the rinsing arm can rotate 360° without dead angles under water flow, significantly improving the water coverage of the tableware surface and effectively eliminating cleaning blind spots. Secondly, the water channel design, where the bushing communicates with the internal cavity of the rinsing unit, eliminates the need for traditional complex sealing components. This reduces assembly difficulty and cost, avoids leakage problems caused by seal failure, and improves the reliability of equipment operation. Attached Figure Description
[0016] The disclosure of this utility model will become more readily understood by referring to the accompanying drawings. It should be understood that these drawings are for illustrative purposes only and are not intended to limit the scope of protection of this utility model. In the drawings:
[0017] Figure 1 This is an exploded view of the dishwasher rinsing arm in one embodiment of this utility model;
[0018] Figure 2 This is a cross-sectional view of the dishwasher rinsing arm in one embodiment of the present invention;
[0019] Figure 3 This is a schematic diagram of the dishwasher rinsing arm in one embodiment of the present invention;
[0020] Figure 4 This is a schematic diagram of the connecting nut in the dishwasher rinsing arm in one embodiment of the present invention;
[0021] Figure 5 This is a schematic diagram of the structure of the rinsing arm in a dishwasher according to one embodiment of the present invention;
[0022] Figure 6 This is a schematic diagram of the structure of the dishwasher rinsing arm at another angle in one embodiment of the present invention;
[0023] Figure 7 This is a schematic diagram of the water-dividing bolt in the dishwasher rinsing arm of one embodiment of the present invention.
[0024] Reference table for attached figures:
[0025] 1. Rinse arm; 11. First convex ring; 12. Second convex ring; 2. Water distribution bolt; 21. First groove; 22. Limiting component; 3. Connecting nut; 31. Second groove; 4. Bushing; 5. Threaded sleeve; 6. Connecting nut; 7. First sealing ring; 8. Locking nut; 9. Second sealing ring. Detailed Implementation
[0026] The specific embodiments of this utility model will be further described below with reference to the accompanying drawings.
[0027] It is readily understood that, based on the technical solution of this utility model, various structural and implementation methods can be interchanged by those skilled in the art without altering the essential spirit of this utility model. Therefore, the following detailed embodiments and accompanying drawings are merely illustrative descriptions of the technical solution of this utility model and should not be considered as the entirety of this utility model or as limitations or restrictions on the technical solution of this utility model.
[0028] The directional terms such as up, down, left, right, front, back, front, back, top, and bottom mentioned or possibly used in this specification are defined relative to the structures shown in the accompanying drawings. These are relative concepts and may therefore vary depending on their location and usage. Therefore, these or other directional terms should not be interpreted as restrictive. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.
[0029] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meanings of the above-mentioned components within this utility model according to the specific circumstances.
[0030] In some embodiments of this utility model, a rinsing arm and a water-dividing bolt passing through the rinsing arm are included. The water-dividing bolt is fixedly connected to the rinsing arm, a connecting nut is threadedly connected to the water-dividing bolt, and a threaded sleeve is threadedly connected to the connecting nut. The rinsing arm, the water-dividing bolt, the connecting nut, and the threaded sleeve form a rinsing unit, and the rinsing unit is rotatably connected around the bushing.
[0031] Specifically, the solution includes a rinsing arm, a water-dividing bolt passing through the rinsing arm, and the water-dividing bolt being fixedly connected to the rinsing arm. A connecting nut is threadedly connected to the water-dividing bolt, and a threaded sleeve is threadedly connected to the connecting nut. These components together constitute a rinsing unit, which can rotate around a bushing. The bushing is connected to an external rinsing water supply pipeline, and rinsing water flows into the rinsing unit from the central hole of the bushing. Under the impact of the water flow, the rinsing unit can rotate flexibly around the bushing, allowing the nozzles on the rinsing arm to spray and clean the tableware from all directions. This structure achieves a 360° cleaning mode without dead angles, greatly improving cleaning efficiency. At the same time, the modular design ensures tight and stable connections between components, facilitating subsequent disassembly and maintenance. First, the water-dividing bolt, connecting nut, and threaded sleeve are assembled onto the rinsing arm in sequence to form a complete rinsing unit. Then, the bushing is passed through the central hole of the threaded sleeve, and the outside of the bushing is reliably connected to the rinsing water supply pipeline. Finally, turn on the dishwasher and introduce rinse water. The rinse unit will then start rotating under the drive of the water flow, thus cleaning the dishes.
[0032] In some embodiments of this utility model, the cavity of the water-dividing bolt and the cavity of the rinsing arm are connected, and the rinsing arm is designed with a first convex ring, while the water-dividing bolt has a first groove that cooperates with the first convex ring.
[0033] Specifically, when the first convex ring and the first groove fit tightly together, water leakage is effectively prevented, ensuring that water can flow smoothly from the cavity of the water distribution bolt into the cavity of the rinsing arm. This sealing structure reduces energy loss during water transmission, improves water utilization efficiency, and thus enhances the cleaning effect. When assembling the rinsing arm and the water distribution bolt, the first convex ring must be precisely aligned with the first groove, and then they must be pressed tightly together.
[0034] In some embodiments of this utility model, the first convex ring is integrally formed with the rinsing arm, and the first groove is integrally formed with the water-dividing bolt.
[0035] Specifically, the one-piece molding structure ensures the dimensional accuracy and surface quality of the first convex ring and the first groove, resulting in a tighter and more reliable fit between them. One-piece molding eliminates the need for additional joining processes, reducing manufacturing costs. At the same time, this structure is more robust and durable, extending the product's lifespan.
[0036] In some embodiments of this utility model, the top of the water-dividing bolt is sealed and is provided with a limiting member that connects to the rinsing arm.
[0037] Specifically, the sealed top prevents water from leaking out from the top of the water distribution bolt, while the limiting component ensures accurate positioning between the water distribution bolt and the rinsing arm. The limiting component (such as a threaded cap) is integrally formed with the water distribution bolt and abuts against the rinsing arm, preventing the water distribution bolt from axially dislodging under water flow impact. This improves the sealing and structural stability of the entire rinsing unit, ensuring that water flows along a predetermined path, thereby enhancing the cleaning effect.
[0038] In some embodiments of this utility model, the connecting nut has a second groove, and the rinsing arm has a second protrusion that mates with the second groove.
[0039] Specifically, the engagement of the second convex ring and the second groove further enhances the connection stability between the rinsing arm and the connecting nut, while also aiding in sealing and preventing water leakage. This structure makes the rinsing unit more robust, capable of withstanding greater water flow impact, and extends the product's lifespan. When assembling the connecting nut and rinsing arm, the second convex ring is precisely embedded into the second groove.
[0040] In some embodiments of this utility model, the second groove is integrally formed with the connecting nut, and the second convex ring is integrally formed with the rinsing arm.
[0041] Specifically, the one-piece molding structure ensures the dimensional accuracy and surface quality of the second groove and the second convex ring, resulting in a tighter and more reliable fit between them. This structure reduces manufacturing costs, improves the structural strength and stability of the product, and reduces the failure rate caused by loose connections.
[0042] In some embodiments of this utility model, a first sealing ring is fitted around the outer periphery of the bushing near the water distribution bolt, and an annular groove that mates with the first sealing ring is provided on the threaded sleeve.
[0043] Specifically, the first sealing ring is tightly pressed between the annular grooves of the bushing and the threaded sleeve, forming a sealing barrier that effectively prevents rinsing water from leaking from the connection between the bushing and the threaded sleeve and allows the threaded sleeve to rotate around the bushing. This structure improves the sealing performance of the entire rinsing unit, avoiding equipment damage and reduced cleaning effectiveness caused by water leakage.
[0044] In some embodiments of this utility model, a second sealing ring is fitted around the outer periphery of the bushing away from the water distribution bolt, and an annular groove that mates with the second sealing ring is provided on the threaded sleeve.
[0045] Specifically, the second sealing ring forms a seal between the bushing and the threaded sleeve, preventing rinse water from leaking from the other end of the bushing while allowing the rinsing unit to rotate freely around the bushing. This structure further enhances the sealing effect, ensuring the waterproof performance of the entire rinsing unit and improving the reliability and service life of the equipment. The second sealing ring is fitted onto the outer circumference of the bushing away from the water distribution bolt, and then the bushing is assembled with the threaded sleeve so that the second sealing ring mates with the annular groove on the threaded sleeve.
[0046] In some embodiments of this invention, a locking nut is threadedly connected to the end of the bushing furthest from the water distribution bolt. This locking nut is used to compress the second sealing ring. By rotating the locking nut, it moves along the threads of the bushing, thereby applying pressure to the second sealing ring, causing it to fit tightly into the annular groove of the threaded bushing, enhancing the sealing effect. This adjustable sealing structure can adapt to different working environments and usage requirements, ensuring the reliability and stability of the sealing effect. After installing the second sealing ring, the locking nut is threaded to the end of the bushing and tightened appropriately to compress the second sealing ring.
[0047] The dishwasher rinsing arm provided by this utility model achieves multiple technological breakthroughs through structural design. Firstly, the integrated rinsing unit, composed of the rinsing arm, water-dividing bolt, connecting nut, and threaded sleeve, combined with the rotating connection design of the bushing, forms a stable and flexible rotating cleaning structure. This ensures that the rinsing arm can rotate 360° without dead angles under water flow, significantly improving the water coverage of the tableware surface and effectively eliminating cleaning blind spots. Secondly, the water channel design, where the bushing communicates with the internal cavity of the rinsing unit, eliminates the need for traditional complex sealing components. This reduces assembly difficulty and cost, avoids leakage problems caused by seal failure, and improves the reliability of equipment operation.
[0048] The above are merely the principles and preferred embodiments of this utility model. It should be noted that, for those skilled in the art, several other modifications can be made based on the principles of this utility model, and these modifications should also be considered within the scope of protection of this utility model.
Claims
1. A dishwasher rinse arm characterized in that, It includes a rinsing arm and a water-dividing bolt passing through the rinsing arm. The water-dividing bolt is fixedly connected to the rinsing arm. A connecting nut is threadedly connected to the water-dividing bolt. A threaded sleeve is threadedly connected to the connecting nut. The rinsing arm, water-dividing bolt, connecting nut, and threaded sleeve form a rinsing unit. The rinsing unit is rotatably connected around the bushing.
2. The dishwasher rinse arm of claim 1, wherein, The rinsing arm is provided with a first protrusion ring, and the water-dividing bolt is provided with a first groove that mates with the first protrusion ring.
3. The dishwasher rinse arm of claim 2, wherein, The first convex ring is integrally formed with the rinsing arm, and the first groove is integrally formed with the water-dividing bolt.
4. The warewash rinse arm of claim 1, wherein, The top of the water-dividing bolt is sealed and has a limiting member that connects to the rinsing arm.
5. The warewash rinse arm of claim 1, wherein, The connecting nut has a second groove, and the rinsing arm has a second protrusion that mates with the second groove.
6. The dishwasher rinse arm of claim 5, wherein, The second groove is integrally formed with the connecting nut, and the second convex ring is integrally formed with the rinsing arm.
7. The warewash rinse arm of claim 1, wherein, The bushing is fitted with a first sealing ring near the outer periphery of the water distribution bolt, and the threaded sleeve is provided with an annular groove for cooperating with the first sealing ring.
8. The warewash rinse arm of claim 1, wherein, The bushing is fitted with a second sealing ring on its outer periphery away from the water distribution bolt, and the threaded sleeve is provided with an annular groove for cooperating with the second sealing ring.
9. The dishwasher rinse arm of claim 8, wherein, The end of the bushing away from the water distribution bolt is threaded with a lock nut, which is used to press the second sealing ring.
10. A dishwasher, characterized in that Includes the dishwasher rinsing arm as described in any one of claims 1 to 9.