Sprayer installed on inner container and kitchen appliance thereof

Abstract

The utility model discloses a spray thrower used for being installed on an inner container and a kitchen appliance thereof, the spray thrower comprises a spray thrower main body and a spray head connected with the spray thrower main body, and the spray head is provided with a plurality of spray holes; a relatively closed water cavity is formed in the sprayer main body, an impeller component is rotatably mounted in the water cavity, the impeller component is provided with a connecting shaft, and the connecting shaft comprises a first shaft body which extends downwards to the lower part of the sprayer main body relative to a rotating axis; the sprayer main body is also provided with a water inlet part communicated with the water cavity, and the water inlet part is used for guiding water flow to enter the water cavity so as to push the impeller component to rotate; the spray head is provided with a coupling part used for being in linkage connection with a connecting shaft of the impeller component, and a channel allowing water in the water cavity to flow into the spray head is formed between the coupling part and the connecting shaft. According to the sprayer, the impeller component is pushed by water flow to rotate so as to drive the spray head to rotate, and therefore the cleaning effect of the spray head on the inner container is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of kitchen electrical appliances, in particular to a sprayer for being installed on an inner container and the kitchen appliance thereof. Background Art

[0002] Steamers, steam-bake combos, and dishwashers are common kitchen appliances. These appliances generally include an inner container and a sprayer mounted on the inner container. Steamers and steam-bake combos use the sprayer to clean the inner container to remove grease and dirt. Dishwashers use the sprayer to clean tableware and the inner container itself. However, the sprayers of these existing kitchen appliances mostly use a high-power (large) water pump to pump water into the sprayer, which is then sprayed out of the sprayer's spray holes to generate the power to drive the sprayer to rotate. This structure of the sprayer results in high overall energy consumption, large size, and poor rotational stability and reliability of the appliance, which is restricted by the spray holes on the sprayer. There is room for improvement. Utility Model Content

[0003] In order to overcome the above-mentioned defects in the prior art, the present utility model provides a sprayer for installation on an inner pot, which directly drives the impeller component to rotate through the inflowing water flow to drive the rotation of the spray head, thereby realizing the rotating spray cleaning of the inner pot by the spray head, thereby greatly improving the cleaning effect and efficiency; at the same time, a kitchen appliance with the sprayer is provided, which has all the advantages of the sprayer.

[0004] To achieve the above object, the present invention provides a sprayer for installation on an inner container, characterized in that it comprises a sprayer body located outside the inner container, and a spray head located inside the inner container and connected to the sprayer body, wherein the spray head is provided with a plurality of spray holes;

[0005] The shower body has a water cavity therein, a rotatable impeller member is installed in the water cavity, the impeller member has a connecting shaft, and the connecting shaft includes a first shaft body extending downward relative to its rotation axis to below the shower body;

[0006] The sprinkler body is provided with a water inlet portion connected to the water cavity, and the water inlet portion is used to guide water flow into the water cavity to drive the impeller component to rotate;

[0007] The spray head has a coupling portion for being linked to the connecting shaft of the impeller component, and a channel for water in the water supply cavity to flow into the spray head is formed between the coupling portion and the connecting shaft.

[0008] It is further configured as follows: the connecting shaft is a hollow tubular structure with an open lower end, and the upper end portion of the connecting shaft corresponding to the water cavity is provided with a water inlet connected to the hollow cavity.

[0009] It is further configured as follows: an internal thread is provided on the inner wall of the lower port of the connecting shaft, and an external thread matching the internal thread is provided on the outer wall of the coupling portion of the nozzle.

[0010] It is further configured that: the tightening direction of the thread between the connecting shaft and the coupling portion is the same as the rotation direction of the impeller component.

[0011] It is further configured that: the connecting shaft on the impeller component extends downward to the bottom of the sprinkler body, and an annular locking groove is provided on the outer wall of the lower end of the connecting shaft corresponding to the outer side of the sprinkler body;

[0012] The coupling portion of the nozzle is a cylindrical structure into which the connecting shaft can be inserted. At least one locking ball for cooperating with an annular locking groove is circumferentially constrained on the wall surface of the coupling portion. The locking ball can move radially relative to the coupling portion.

[0013] The limit sleeve on the coupling part that can move up and down is provided with a linkage ring, and the linkage ring is provided with a spring that always has an upward movement trend. The linkage ring is constructed as follows:

[0014] When the linkage ring moves upward, the inner wall of the linkage ring can act on the locking ball and push it inward so that it is stably embedded in the annular locking groove to achieve locking;

[0015] When the linkage ring moves downward, a clearance space can be formed between the inner wall of the linkage ring and the locking ball, allowing the locking ball to move outward to escape from the annular locking groove.

[0016] It is further configured that: the impeller component includes a separation disk, a rotating shaft arranged at a middle position on the upper surface of the separation disk, and a plurality of blades circumferentially spaced on the upper surface of the separation disk, and the connecting shaft is fixedly connected to the middle position of the lower surface of the separation disk;

[0017] The upper portion of the sprayer body is provided with an upper limit rotating portion matched with the rotating shaft, and the lower portion of the sprayer body is provided with a lower limit rotating portion matched with the connecting shaft.

[0018] It is further configured as follows: the separating plate separates the water chamber of the sprinkler body into an upper water chamber and a lower water chamber, and the separating plate is recessed downward to form a plurality of connecting slots connecting the upper water chamber and the lower water chamber, and the connecting slots are constructed as an inclined structure that guides the water flow out to assist the rotation of the impeller component.

[0019] It is further configured as follows: the connecting shaft also includes a second shaft body connected to the first shaft body and extending obliquely downward, and the nozzle is arranged on the second shaft body.

[0020] It is further configured that: the spray hole on the spray head is configured to be an inclined structure that guides water flow to spray out to assist the rotation of the spray head.

[0021] The utility model also provides a kitchen appliance, characterized in that it comprises an inner container, a water receiving box, a control panel, and the above-mentioned sprayer, wherein the sprayer is installed on the inner container;

[0022] The water receiving box is located below the inner tank, and a drain pipe for draining water into the water receiving box is provided at the bottom of the inner tank, and a drain valve is provided on the drain pipe;

[0023] A water supply pipe is connected between the water receiving box and the sprinkler, and a water pump is provided on the water supply pipe.

[0024] Compared with the existing technology, the structure of the utility model is simple and reasonable. The sprinkler uses the pumped water flow to drive the impeller component to rotate to drive the nozzle to rotate. In this way, the sprinkler can be driven by a small-power water pump to rotate and spray water. At the same time, the design of the spray hole and the impeller component on the nozzle can further improve the rotation effect of the nozzle. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a structural diagram of a kitchen appliance of the present invention;

[0026] Figure 2 yes Figure 1 Schematic diagram of water flow between various components;

[0027] Figure 3 yes Figure 1 Schematic cross-section of the middle sprinkler;

[0028] Figure 4 It is a schematic diagram of the three-dimensional structure of the impeller component in the sprinkler;

[0029] Figure 5 It is a cross-sectional schematic diagram of another embodiment of the sprinkler.

[0030] The following reference numerals are marked on the accompanying drawings:

[0031] 10. Sprinkler; 11. Sprinkler body; 111. Upper water chamber; 112. Lower water chamber; 113. Water inlet; 114. Rotating bearing; 12. Sprinkler head; 121. Spray hole; 122. Coupling; 123. Linkage ring; 124. Spring; 125. Locking ball; 13. Impeller component; 131. Separating plate; 1311. Connecting notch; 132. Rotating shaft; 133. Blade; 134. Connecting shaft; 1341. Water inlet; 1342. Annular locking groove; 20. Inner tank; 30. Water receiving tank; 40. Water pump; 50. Drain valve; 60. Control valve; 70. Solenoid valve; 80. Control board. DETAILED DESCRIPTION

[0032] A specific embodiment of the present invention will be described in detail below with reference to the accompanying drawings, but it should be understood that the protection scope of the present invention is not limited by the specific embodiment.

[0033] The utility model discloses a kitchen appliance Figure 1 and Figure 2 As shown, it specifically includes equipment such as a steamer, a steam-bake combination box, and a dishwasher; in this embodiment, the kitchen appliance includes a control panel 80, two inner pots 20, two sprayers 10 correspondingly installed on the two inner pots 20, and two water receiving boxes 30 correspondingly installed below the two inner pots 20. Preferably, the water receiving box 30 is a drawer-type structure for easy addition or pouring of water, and the sprayer 10 is preferably installed on the top wall or bottom wall of the inner pot 20; wherein, a water outlet is provided at the bottom of each inner pot 20 and a drain pipe is connected to the corresponding water outlet. The drain pipe is used to guide the water in the inner pot 20 to be discharged into the corresponding water receiving box 30, and a drain valve 50 is provided on the drain pipe to control the passage or The two water receiving boxes 30 are respectively connected to the water inlet of the water pump 40 through pipelines, and a control valve 60 is provided on the corresponding pipelines of the two water receiving boxes 30. The water outlet of the water pump 40 is respectively connected to the two sprinklers 10 through pipelines, and a solenoid valve 70 is provided on the corresponding pipelines of the two sprinklers 10; the control board 80 is signal-connected to the water pump 40, the two drain valves 50, the two control valves 60, and the two solenoid valves 70. In this way, the control board 80 controls the operation of the drain valve 50 to control the water in the inner tank 20 to be discharged into the corresponding water receiving box 30, and controls the operation of the water pump 40 and the corresponding control valve 60 and the solenoid valve 70 to realize the water supply of the water receiving box 30 to the sprinkler 10.

[0034] In the above scheme, if Figure 1 and Figure 3As shown, the shower head 10 includes a shower head body 11 located outside the inner tank 20, and a shower head 12 located in the inner tank 20 and connected to the shower head body 11. The shower head 12 is provided with a plurality of spray holes 121. Preferably, the spray holes 121 are inclined structures so that the water flow ejected through the spray holes 121 can become a thrust for assisting the rotation of the shower head 12. A water cavity is provided in the shower head body 11, and a rotatable impeller component 13 is installed in the water cavity. The impeller component 13 has a connecting shaft 134, and the connecting shaft 134 includes a first shaft body extending downward relative to its rotation axis to the bottom of the shower head body 11; the shower head 11 is also provided with a The water inlet 113 is connected to the water cavity, and the water inlet 113 is connected to the water supply pipe to guide the water flow into the water cavity and drive the impeller component 13 to rotate; the nozzle 12 can be a spherical structure, a disc structure or a long spray arm structure, which has a coupling portion 122 for being linked to the connecting shaft 134 of the impeller component 13. A channel is formed between the coupling portion 122 and the connecting shaft 134 for the water in the water supply cavity to flow into the nozzle 12. In this way, the impeller component 13 can be driven to rotate and the nozzle 12 can be driven to rotate by pumping water by a low-power water pump, so as to realize the rotational spraying of the nozzle 12, thereby greatly improving the cleaning effect and efficiency of the sprayer 10 on the inner tank 20.

[0035] In the above scheme, the connecting shaft 134 is a vertical rod as a whole, so that the nozzle 12 is connected to the lower end of the first shaft body of the connecting shaft 134, so that the nozzle 12 and the impeller component 13 rotate around the same rotation axis; in some other specific embodiments, the connecting shaft 134 can also be a bent structure, that is, the connecting shaft 134 includes a first shaft body extending downward along the rotation axis to the bottom of the sprinkler body 11, and a second shaft body connected to the first shaft body and extending downward at an angle. At this time, the nozzle 12 is connected to the second shaft body of the connecting shaft 134, and the rotation axis of the nozzle 12 is arranged at an angle to the rotation axis of the impeller component 13.

[0036] In this embodiment, if Figure 3 and Figure 4 As shown, the above-mentioned impeller component 13 includes a separating plate 131, a rotating shaft 132 arranged in the middle position of the upper surface of the separating plate 131, and a plurality of blades 133 circumferentially spaced on the upper surface of the separating plate 131, and a connecting shaft 134 is fixedly connected to the middle position of the lower surface of the separating plate 131; the sprinkler body 11 is provided with an upper limit rotating part cooperating with the rotating shaft 132 at its upper part and a lower limit rotating part cooperating with the connecting shaft 134 at its lower part. In this way, by constraining the upper and lower ends of the impeller component 13 for rotation, the impeller component 13 can be made to rotate more stably and reliably in the water chamber. Preferably, a rotating bearing 114 is provided between the rotating shaft 132 and the upper limit rotating part and / or between the connecting shaft 134 and the lower limit rotating part. In this way, the rotation effect of the impeller component 13 can be effectively improved and friction can be reduced.

[0037] In the above scheme, if Figure 3 and Figure 4 As shown, the separation plate 131 separates the water chamber in the sprinkler body 11 into an upper water chamber 111 and a lower water chamber 112. The upper surface of the separation plate 131 is recessed downward to form a plurality of oblique connecting slots 1311 connecting the upper water chamber 111 and the lower water chamber 112. The connecting slots 1311 can form thrust by guiding the water flow in the upper water chamber 111 to be discharged into the lower water chamber 112 to assist the rotation of the impeller component 13; preferably, a small gap is formed between the outer edge surface of the separation plate 131 and the inner wall of the sprinkler body 11, so as to construct a structure so that most of the water flow in the upper water chamber 111 enters the lower water chamber 112 through the connecting slots 1311.

[0038] In this embodiment, if Figure 2 As shown, the connecting shaft 134 of the impeller component 13 is connected to the coupling portion 122 of the spray head 12 by a quick-insert structure. Specifically, the connecting shaft 134 on the impeller component 13 is a hollow tubular structure with an open lower end. The upper end portion of the connecting shaft 134 corresponding to the water cavity is provided with a water inlet 1341 connected to the hollow inner cavity. The lower end of the connecting shaft 134 extends downwardly and passes through the outside of the sprinkler body 11. The lower end portion of the connecting shaft 134 corresponding to the outside of the sprinkler body 11 is provided with an annular locking groove 1342; the coupling portion 122 of the spray head 12 is a cylindrical structure for inserting the lower end of the connecting shaft 134, and at least one locking ball 125 (steel ball) for cooperating with the annular locking groove 1342 is circumferentially constrained on the wall surface of the coupling portion 122. The locking ball 125 can move radially relative to the coupling portion 122; the coupling portion 122 can move up and down The movable limit sleeve is provided with a linkage ring 123, which has a spring 124 that always has an upward movement tendency. The linkage ring 123 is constructed so that when the linkage ring 123 moves upward, the inner wall of the linkage ring 123 can act on the locking ball 125 and push it to move inward so that it can be stably embedded in the annular locking groove 1342 to achieve a stable connection between the coupling part 122 and the connecting shaft 134; when the linkage ring 123 moves downward, a space can be formed between the inner wall of the linkage ring 123 and the locking ball 125 for the locking ball 125 to move outward to disengage from the annular locking groove 1342, so that the spray head 12 and the sprinkler body 11 can be quickly separated; specifically, the linkage ring 123 is provided with a downwardly extending linkage neck corresponding to its upper port, and the linkage neck is a stepped cylinder structure or a conical cylinder structure with a large upper diameter and a small lower diameter.

[0039] In some other specific embodiments, such as Figure 5As shown, the coupling portion 122 of the nozzle 12 is threadedly connected to the connecting shaft 134 of the impeller component 13. Specifically, the connecting shaft 134 on the impeller component 13 is a hollow tubular structure with an open lower end. The upper end portion of the connecting shaft 134 corresponding to the upper end portion located in the water cavity is provided with a water inlet 1341 connected to the hollow inner cavity. The lower end of the connecting shaft 134 can extend to the outside of the sprinkler body 11 or be located inside the sprinkler body 11. The lower end of the connecting shaft 134 is provided with an internal thread; the outer wall of the coupling portion 122 of the nozzle 12 is provided with an external thread connected to the internal thread; preferably, the tightening direction of the threads of the nozzle 12 and the sprinkler body 11 is the same as the rotation direction of the impeller component 13, so that the two can effectively avoid loosening during operation.

[0040] Compared with the existing technology, the structure of the utility model is simple and reasonable. The sprinkler uses the pumped water flow to drive the impeller component to rotate to drive the nozzle to rotate. In this way, the sprinkler can be driven by a small-power water pump to rotate and spray water. At the same time, the design of the spray hole and the impeller component on the nozzle can further improve the rotation effect of the nozzle.

[0041] The above disclosure is only an embodiment of the present invention, but the present invention is not limited thereto. Any changes that can be conceived by those skilled in the art should fall within the scope of protection of the present invention.

Claims

1. A sprayer for installation on an inner tank, characterized in that: It includes a sprayer body located outside the inner container, and a spray head located inside the inner container and connected to the sprayer body, wherein the spray head is provided with a plurality of spray holes; The shower body has a water cavity therein, a rotatable impeller member is installed in the water cavity, the impeller member has a connecting shaft, and the connecting shaft includes a first shaft body extending downward relative to the rotation axis to below the shower body; The sprinkler body is provided with a water inlet portion connected to the water cavity, and the water inlet portion is used to guide water flow into the water cavity to drive the impeller component to rotate; The spray head has a coupling portion for being linked to the connecting shaft of the impeller component, and a channel for water in the water supply cavity to flow into the spray head is formed between the coupling portion and the connecting shaft.

2. A sprayer for installation on an inner container according to claim 1, characterized in that: The connecting shaft is a hollow tubular structure with an open lower end. The upper end portion of the connecting shaft corresponding to the water cavity is provided with a water inlet connected to the hollow cavity.

3. A sprayer for installation on an inner container according to claim 2, characterized in that: An internal thread is provided on the inner wall of the lower port of the connecting shaft, and an external thread matching the internal thread is provided on the outer wall of the coupling portion of the spray head.

4. A sprayer for installation on an inner container according to claim 3, characterized in that: The tightening direction of the thread between the connecting shaft and the coupling portion is the same as the rotation direction of the impeller component.

5. The sprayer for installation on an inner container according to claim 2, characterized in that: The connecting shaft on the impeller member extends downward to the bottom of the sprinkler body, and an annular locking groove is provided on the outer wall of the lower end of the connecting shaft corresponding to the outer end of the sprinkler body; The coupling portion of the nozzle is a cylindrical structure into which the connecting shaft can be inserted. At least one locking ball for cooperating with an annular locking groove is circumferentially constrained on the wall surface of the coupling portion. The locking ball can move radially relative to the coupling portion. The limit sleeve on the coupling part that can move up and down is provided with a linkage ring, and the linkage ring is provided with a spring that always has an upward movement trend. The linkage ring is constructed as follows: When the linkage ring moves upward, the inner wall of the linkage ring can act on the locking ball and push it inward so that it is stably embedded in the annular locking groove to achieve locking; When the linkage ring moves downward, a clearance space can be formed between the inner wall of the linkage ring and the locking ball, allowing the locking ball to move outward to escape from the annular locking groove.

6. The sprayer for installation on an inner container according to claim 1, characterized in that: The impeller component includes a separation plate, a rotating shaft arranged at a middle position on the upper surface of the separation plate, and a plurality of blades arranged circumferentially on the upper surface of the separation plate, and the connecting shaft is fixedly connected to the middle position of the lower surface of the separation plate; The upper portion of the sprayer body is provided with an upper limit rotating portion matched with the rotating shaft, and the lower portion of the sprayer body is provided with a lower limit rotating portion matched with the connecting shaft.

7. A sprayer for installation on an inner container according to claim 6, characterized in that: The separation plate separates the water cavity of the sprinkler body into an upper water cavity and a lower water cavity. The separation plate is recessed downward to form a plurality of connecting slots connecting the upper water cavity and the lower water cavity. The connecting slots are constructed to be an inclined structure that guides water flow out to assist the rotation of the impeller component.

8. The sprayer for installation on an inner container according to claim 1, characterized in that: The connecting shaft further comprises a second shaft body connected to the first shaft body and extending obliquely downward, and the nozzle is arranged on the second shaft body.

9. The sprayer for installation on an inner container according to claim 1, characterized in that: The spray hole on the spray head is configured to be an inclined structure that guides water flow to spray out to assist the rotation of the spray head.

10. A kitchen appliance, characterized in that: It comprises an inner tank, a water receiving box, a control panel, and the sprayer according to any one of claims 1 to 9, wherein the sprayer is mounted on the inner tank; The water receiving box is located below the inner tank, and a drain pipe for draining water into the water receiving box is provided at the bottom of the inner tank, and a drain valve is provided on the drain pipe; A water supply pipe is connected between the water receiving box and the sprinkler, and a water pump is provided on the water supply pipe.

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