Spraying device, spraying arm and dish washing machine

Abstract

The utility model discloses a spraying device, a spraying arm and a dish-washing machine, and relates to the technical field of spraying, the spraying device comprises a connecting seat, a spraying arm and a dish-washing machine, the connecting seat is internally provided with a first flow channel; the spraying seat is rotationally connected with the connecting seat; the at least two power holes are formed in the spraying seat, the power holes are obliquely formed relative to the central axis of the spraying seat, and the at least two power holes are communicated with the first flow channel; the spraying nut is sleeved outside the connecting seat in a threaded manner; and the spraying nut and the spraying seat are axially limited and matched. The utility model has the technical effect that the spraying uniformity is good.

Description

Technical Field

[0001] The utility model relates to the technical field of spraying, in particular to a spraying device, a spray arm and a dishwasher. Background Art

[0002] A spray device is a device used to spray liquid media onto a specific area. It has the advantage of being easy to spray and is widely used in products such as dishwashers.

[0003] In order to increase the spraying range, the relevant spraying device is generally provided with multiple nozzles. However, due to the existence of a partition area between adjacent nozzles, it is easy to cause the spraying amount in the partition area to be smaller and the spraying amount of the nozzle to be larger, resulting in poor uniformity of the spraying. Utility Model Content

[0004] In view of the above technical problems, the utility model provides a spray device, a spray arm and a dishwasher, which have good spraying uniformity.

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

[0006] A spray device, comprising:

[0007] A connecting seat, wherein a first flow channel is provided in the connecting seat;

[0008] A spray seat rotatably connected to the connecting seat;

[0009] At least two power holes are provided in the spray seat, the power holes are arranged obliquely relative to the central axis of the spray seat, and the at least two power holes are both connected to the first flow channel;

[0010] A spray nut is threadedly sleeved on the outside of the connecting seat, and the spray nut and the spray seat are axially limited and matched.

[0011] Optionally, it also includes contact ribs circumferentially arranged outside the spray seat, and the contact ribs are rotatably connected to the connection seat.

[0012] Optionally, it also includes a step portion arranged outside the spray seat, and the spray nut and the step portion are axially limited and matched.

[0013] Optionally, it also includes a second flow channel arranged in the spray seat, one end of the second flow channel is connected to the first flow channel, and the other end of the second flow channel is connected to the at least two power holes.

[0014] Optionally, it also includes a recessed portion provided on the spray seat, wherein the recessed portion is recessed from the upper surface of the spray seat, and the power holes are respectively located on both sides of the recessed portion.

[0015] A spray arm, comprising:

[0016] Spray arm body;

[0017] Two spray assemblies respectively connected to the two sides of the spray arm body, the flow channel of the spray arm body is connected to the flow channel of the spray assembly;

[0018] Wherein, the spray assembly includes at least one of the spray devices and the delivery pipeline, the spray device is connected to the delivery pipeline, the flow channel of the spray assembly includes the flow channel of the spray device and the flow channel of the delivery pipeline, and the flow channel of the spray device is connected to the flow channel of the delivery pipeline.

[0019] Optionally, the delivery pipeline also includes a first delivery pipe, a second delivery pipe and a third delivery pipe, the second delivery pipe is located between the first delivery pipe and the third delivery pipe, and one end of the first delivery pipe is connected to the spray arm body; the spray assembly includes two spray devices, one spray device is connected between the first delivery pipe and the second delivery pipe, and the other spray device is connected between the second delivery pipe and the third delivery pipe.

[0020] Optionally, the spray assembly further includes a door panel spray seat, and the door panel spray seat includes:

[0021] a seat body connected to an end of the third delivery pipe away from another of the spray devices;

[0022] a mounting plate connected to the seat body;

[0023] A through hole provided on the mounting plate;

[0024] A cavity is formed between the mounting plate and the seat body, and the cavity is communicated with the through hole.

[0025] Optionally, the first conveying pipe includes a first tube body and a second tube body that are bent and connected to each other, an end of the first tube body away from the second tube body is connected to the spray arm body, and an end of the second tube body away from the first tube body is connected to one of the spray devices; the third conveying pipe includes a third tube body, a fourth tube body and a fifth tube body that are bent and connected to each other, an end of the third tube body away from the fourth tube body is connected to another spray device, and an end of the fifth tube body away from the fourth tube body is connected to the door panel spray seat.

[0026] A dishwasher, comprising a spray arm, and further comprising:

[0027] A plurality of fixing seats, each of which comprises a seat body, a first mounting notch provided on one side of the seat body, and a second mounting notch provided on the other side of the seat body, the radial dimension of the first mounting notch being larger than the radial dimension of the second mounting notch, and the first mounting notch being movably matched with the spray assembly;

[0028] A bowl basket movably matched with the second mounting notch, the bowl basket and the spray arm body being snap-connected.

[0029] The technical solution provided by the utility model has the following beneficial effects compared with the prior art: during spraying, the liquid medium enters at least two power holes from the first flow channel, so that the liquid medium generates a resultant force F along the direction of the power holes on the spray seat, and the resultant force F can be orthogonally decomposed into force F1 and force F2, wherein force F1 is used to provide a rotational torque for the spray seat, thereby causing the spray seat to rotate around the connecting seat, thereby ensuring good spraying uniformity of the spray device. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 This is one of the partial views of a dishwasher proposed in an embodiment of the utility model;

[0031] Figure 2 A second partial view of a dishwasher provided in an embodiment of the utility model;

[0032] Figure 3 A third partial diagram of a dishwasher proposed in an embodiment of the utility model;

[0033] Figure 4 A fourth partial diagram of a dishwasher proposed in an embodiment of the utility model;

[0034] Figure 5 A schematic diagram of the structure of a spray arm proposed in an embodiment of the utility model;

[0035] Figure 6 This is one of the structural schematic diagrams of a spray device proposed in an embodiment of the utility model;

[0036] Figure 7 This is a second structural schematic diagram of a spray device proposed in an embodiment of the utility model;

[0037] Figure 8 The third structural diagram of a spray device proposed in an embodiment of the utility model;

[0038] Fig. 9 A schematic diagram of the installation structure of a spray device proposed in an embodiment of the utility model;

[0039] Fig.10 This is one of the structural schematic diagrams of the spray seat proposed in the embodiment of the utility model;

[0040] Fig.11 This is the second structural schematic diagram of the spray seat proposed in the embodiment of the utility model;

[0041] Fig.12 A schematic diagram of the structure of the door panel spray seat proposed in the embodiment of the utility model;

[0042] Fig.13 A schematic diagram of the structure of the fixing seat proposed in the embodiment of the utility model;

[0043] In the figure: 1. connecting seat; 11. first flow channel; 2. spray seat; 21. power hole; 22. contact rib; 23. step portion; 24. second flow channel; 25. recess; 3. spray nut; 4. spray arm body; 5. spray assembly; 51. first delivery pipe; 511. first tube body; 512. second tube body; 52. second delivery pipe; 53. third delivery pipe; 531. third tube body; 532. fourth tube body; 533. fifth tube body; 54. door panel spray seat; 541. seat body; 542. mounting plate; 543. through hole; 544. cavity; 6. fixing seat; 61. first mounting notch; 62. second mounting notch; 63. seat body; 7. bowl basket. DETAILED DESCRIPTION

[0044] In order to further understand the content of the utility model, the utility model is described in detail in conjunction with the accompanying drawings and embodiments.

[0045] The present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It is understood that the specific embodiments described herein are only used to explain the relevant utility model, rather than to limit the utility model. It should also be noted that, for the convenience of description, only the parts related to the utility model are shown in the accompanying drawings. The words "first", "second", etc. described in the present utility model are set for the convenience of describing the technical solution of the present utility model, and have no specific limiting effect. They are all general references and do not constitute a limiting effect on the technical solution of the present utility model. It should be noted that, in the absence of conflict, the embodiments and features in the embodiments in the present application can be combined with each other. In the description of the present utility model, it should be noted that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. is based on the orientation or position relationship shown in the accompanying drawings, which is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", and "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. Unless otherwise clearly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be a connection between the insides of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances. Multiple technical solutions in the same embodiment, and multiple technical solutions in different embodiments, can be arranged and combined to form new technical solutions that do not have contradictions or conflicts, all of which are within the scope of protection required by the present utility model.

[0046] Example 1

[0047] Combined with Figure 1-13 , this embodiment provides a spray device, including:

[0048] A connecting seat 1, wherein a first flow channel 11 is provided in the connecting seat 1;

[0049] A spray seat 2 rotatably connected to the connecting seat 1;

[0050] At least two power holes 21 are provided on the spray seat 2, the power holes 21 are inclined relative to the central axis of the spray seat 2, and at least two power holes 21 are connected to the first flow channel 11;

[0051] The spray nut 3 is threadedly sleeved on the outside of the connecting seat 1, and the spray nut 3 and the spray seat 2 are axially limited and matched.

[0052] Specifically, Fig.10 During spraying, the liquid medium enters at least two power holes 21 from the first flow channel 11. Since the power holes 21 are inclined relative to the central axis of the spray seat 2, the liquid medium generates a resultant force F on the spray seat 2 along the direction of the power holes 21. The resultant force F can be orthogonally decomposed into force F1 and force F2, wherein force F1 is used to provide a rotational torque for the spray seat 2, thereby causing the spray seat 2 to rotate around the connecting seat 1 to ensure good spray uniformity of the spray device; the number of power holes 21 is at least two, which is convenient for increasing the spray range of the spray device. The specific number of power holes 21 is not limited, and can be two, three, etc., preferably two; the spray nut 3 is used to generate axial limiting performance for the spray seat 2 to prevent the spray seat 2 and the connecting seat 1 from separating from each other. Since the spray nut 3 and the connecting seat 1 are threadedly connected, the spray nut 3 and the connecting seat 1 are convenient for disassembly and assembly, thereby facilitating timely replacement of the spray seat 2.

[0053] Further, such as Figure 7-8 , and also includes a contact rib 22 circumferentially arranged outside the spray seat 2, and the contact rib 22 is rotatably connected to the connection seat 1.

[0054] Specifically, the contact rib 22 is used to reduce the contact area between the spray seat 2 and the connecting seat 1, thereby reducing the friction area of ​​the spray seat 2, making it easier for the spray seat 2 to rotate around the connecting seat 1. The contact rib 22 can be a whole rib continuously arranged outside the spray seat 2 along the circumferential direction, or it can be a plurality of ribs arranged outside the spray seat 2 along the circumferential direction at intervals.

[0055] Further, such as Figure 8 , and also includes a step portion 23 arranged outside the spray seat 2, and the spray nut 3 and the step portion 23 are axially limited and matched.

[0056] Specifically, the step portion 23 is used to contact the spray nut 3, so that the spray nut 3 generates axial limiting performance for both the step portion 23 and the spray seat 2, thereby preventing the spray seat 2 and the connecting seat 1 from being separated from each other.

[0057] Further, such as Figure 8 and 10 -11, further comprising a second flow channel 24 disposed in the spray seat 2, one end of the second flow channel 24 being connected to the first flow channel 11, and the other end of the second flow channel 24 being connected to at least two power holes 21.

[0058] Specifically, the second flow channel 24 is used to store the liquid medium from the first flow channel 11 , so that the liquid medium can flow into at least two power holes 21 evenly and synchronously.

[0059] Further, such as Figure 6 , and also includes a recessed portion 25 disposed on the spray seat 2 , the recessed portion 25 being recessed from the upper surface of the spray seat 2 , and the power holes 21 being respectively located on both sides of the recessed portion 25 .

[0060] Specifically, the recessed portion 25 is convenient for demoulding the spray seat 2 during processing, and is convenient for controlling the wall thickness of the spray seat 2 and preventing bubbles from being generated during processing of the spray seat 2.

[0061] This embodiment further provides a spray arm, including a spray device of the embodiment, and further including:

[0062] Spray arm body 4;

[0063] Two spray assemblies 5 are respectively connected to the two sides of the spray arm body 4, and the flow channel of the spray arm body 4 is connected to the flow channel of the spray assembly 5;

[0064] Among them, the spray component 5 includes at least one spray device and a conveying pipeline, the spray device is connected to the conveying pipeline, the flow channel of the spray component 5 includes the flow channel of the spray device and the flow channel of the conveying pipeline, and the flow channel of the spray device is connected to the flow channel of the conveying pipeline.

[0065] Further, such as Figure 1 The delivery pipeline also includes a first delivery pipe 51, a second delivery pipe 52 and a third delivery pipe 53, the second delivery pipe 52 is located between the first delivery pipe 51 and the third delivery pipe 53, and one end of the first delivery pipe 51 is connected to the spray arm body 4; the spray assembly 5 includes two spray devices, one spray device is connected between the first delivery pipe 51 and the second delivery pipe 52, and the other spray device is connected between the second delivery pipe 52 and the third delivery pipe 53.

[0066] Specifically, the spray arm body 4 is used to connect with relevant liquid medium supply devices such as water pipes, and is used to transfer the liquid medium to the two spray components 5; the two spray components 5 are convenient for increasing the spray range, wherein the first delivery pipe 51, the second delivery pipe 52 and the third delivery pipe 53 are all used to transfer the liquid medium, one spray device and the other spray device are both used for spraying, that is, each spray component 5 includes two spray devices.

[0067] Further, such as Fig.12 The spray assembly 5 also includes a door panel spray seat 54, and the door panel spray seat 54 includes:

[0068] A seat body 541 connected to an end of the third delivery pipe 53 away from another spray device;

[0069] A mounting plate 542 connected to the seat body 541;

[0070] A through hole 543 provided on the mounting plate 542;

[0071] A cavity 544 is formed between the mounting plate 542 and the seat body 541 , and the cavity 544 is communicated with the through hole 543 .

[0072] Specifically, the seat body 541 is used to receive the liquid medium from the third delivery pipe 53 and spray the liquid medium; the mounting plate 542 is used to install the door panel spray seat 54 on related components. When the spray arm is used for a dishwasher, the mounting plate 542 is connected to the bowl basket 7 of the dishwasher. When connected, the end of the bowl basket 7 is passed through the through hole 543 and the cavity 544 in turn, so that the mounting plate 542 and the bowl basket 7 of the dishwasher have good firmness of fit.

[0073] Further, such as Figure 1 The first delivery pipe 51 includes a first tube body 511 and a second tube body 512 that are bent and connected to each other. The end of the first tube body 511 away from the second tube body 512 is connected to the spray arm body 4, and the end of the second tube body 512 away from the first tube body 511 is connected to a spray device; the third delivery pipe 53 includes a third tube body 531, a fourth tube body 532 and a fifth tube body 533 that are bent and connected to each other. The end of the third tube body 531 away from the fourth tube body 532 is connected to another spray device, and the end of the fifth tube body 533 away from the fourth tube body 532 is connected to the door panel spray seat 54.

[0074] Specifically, the first tube body 511 and the second tube body 512 are both used to transmit liquid media. The specific angle between the first tube body 511 and the second tube body 512 is not limited and can be determined according to actual installation conditions. It can be 75° or 90°, etc., preferably 90°; the third tube body 531, the fourth tube body 532 and the fifth tube body 533 are all used to transmit liquid media. The specific angles of the third tube body 531, the fourth tube body 532 and the fifth tube body 533 are not limited. At the same time, the third tube body 531 and the fifth tube body 533 can be located on the same plane or on different planes. Preferably, the angle between the third tube body 531 and the fourth tube body 532 is 90°, the angle between the fourth tube body 532 and the fifth tube body 533 is 90°, and the third tube body 531 and the fifth tube body 533 are located on different planes.

[0075] This embodiment further provides a dishwasher, including a spray arm of this embodiment, and further including:

[0076] A plurality of fixing seats 6, each fixing seat 6 comprises a seat body 63, a first mounting notch 61 provided on one side of the seat body 63, and a second mounting notch 62 provided on the other side of the seat body 63, the radial dimension of the first mounting notch 61 is greater than the radial dimension of the second mounting notch 62, and the first mounting notch 61 and the spray assembly 5 are movably matched;

[0077] The bowl basket 7 movably cooperates with the second installation notch 62 , and the bowl basket 7 and the spray arm body 4 are clamped.

[0078] Specifically, the plurality of fixing seats 6 are used to fix the spray arm on the bowl basket 7; the first installation notch 61 is used to flexibly cooperate with the first delivery pipe 51, the second delivery pipe 52 or the third delivery pipe 53 of the spray assembly 5, so as to facilitate adjustment of the relative positions of the fixing seat 6 and the first delivery pipe 51, the second delivery pipe 52 or the third delivery pipe 53 of the spray assembly 5 according to installation requirements; the second installation notch 62 is used to flexibly cooperate with the bowl basket 7, so as to facilitate adjustment of the relative positions of the fixing seat 6 and the bowl basket 7 according to installation requirements; the bowl basket 7 is used to carry bowls, spoons, etc., so as to facilitate the dishwasher to spray and clean the bowls, spoons, etc., and the bowl basket 7 is also used to fix the spray arm body 4.

[0079] The above schematically describes the present invention and its implementation methods, which are not restrictive. The drawings show only one implementation method of the present invention, and the actual structure is not limited thereto. Therefore, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the present invention, they should all fall within the protection scope of the present invention.

Claims

1. A spray device, characterized in that: include: A connecting seat, wherein a first flow channel is provided in the connecting seat; A spray seat rotatably connected to the connecting seat; At least two power holes are provided in the spray seat, the power holes are arranged obliquely relative to the central axis of the spray seat, and the at least two power holes are both connected to the first flow channel; A spray nut is threadedly sleeved on the outside of the connecting seat, and the spray nut and the spray seat are axially limited and matched.

2. A spray device according to claim 1, characterized in that: It also includes contact ribs circumferentially arranged outside the spray seat, and the contact ribs are rotatably connected to the connection seat.

3. A spray device according to claim 1, characterized in that: It also includes a step portion arranged outside the spray seat, and the spray nut and the step portion are axially limited and matched.

4. A spray device according to claim 1, characterized in that: It also includes a second flow channel arranged in the spray seat, one end of the second flow channel is connected to the first flow channel, and the other end of the second flow channel is connected to the at least two power holes.

5. A spray device according to any one of claims 1 to 4, characterized in that: It also includes a concave portion arranged on the spray seat, wherein the concave portion is recessed from the upper surface of the spray seat, and the power holes are respectively located on both sides of the concave portion.

6. A spray arm, characterized in that: include: Spray arm body; Two spray assemblies respectively connected to the two sides of the spray arm body, the flow channel of the spray arm body is connected to the flow channel of the spray assembly; Wherein, the spray assembly includes at least one spray device and a conveying pipeline as described in any one of claims 1 to 5, the spray device is connected to the conveying pipeline, the flow channel of the spray assembly includes the flow channel of the spray device and the flow channel of the conveying pipeline, and the flow channel of the spray device is connected to the flow channel of the conveying pipeline.

7. A spray arm according to claim 6, characterized in that: The delivery pipeline also includes a first delivery pipe, a second delivery pipe and a third delivery pipe, the second delivery pipe is located between the first delivery pipe and the third delivery pipe, and one end of the first delivery pipe is connected to the spray arm body; the spray assembly includes two spray devices, one spray device is connected between the first delivery pipe and the second delivery pipe, and the other spray device is connected between the second delivery pipe and the third delivery pipe.

8. A spray arm according to claim 7, characterized in that: The spray assembly also includes a door panel spray seat, and the door panel spray seat includes: a seat body connected to an end of the third delivery pipe away from another of the spray devices; a mounting plate connected to the seat body; A through hole provided on the mounting plate; A cavity is formed between the mounting plate and the seat body, and the cavity is communicated with the through hole.

9. A spray arm according to claim 8, characterized in that: The first conveying pipe includes a first tube body and a second tube body that are bent and connected to each other, an end of the first tube body away from the second tube body is connected to the spray arm body, and an end of the second tube body away from the first tube body is connected to one of the spray devices; the third conveying pipe includes a third tube body, a fourth tube body and a fifth tube body that are bent and connected to each other, an end of the third tube body away from the fourth tube body is connected to another spray device, and an end of the fifth tube body away from the fourth tube body is connected to the door panel spray seat.

10. A dishwasher, characterized in that: The spray arm comprises a spray arm as claimed in any one of claims 6 to 9, further comprising: A plurality of fixing seats, each of which comprises a seat body, a first mounting notch provided on one side of the seat body, and a second mounting notch provided on the other side of the seat body, the radial dimension of the first mounting notch being larger than the radial dimension of the second mounting notch, and the first mounting notch being movably matched with the spray assembly; A bowl basket movably matched with the second mounting notch, the bowl basket and the spray arm body being snap-connected.

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