Double-row ice pushing rod and household refrigerator ice maker comprising same

Abstract

The utility model discloses a double-row ice pushing rod and a household refrigerator ice maker comprising the same, the double-row ice pushing rod comprises a rotating shaft and an ice pushing assembly, and the rotating shaft is driven by a driving part to rotate; the ice pushing assembly is arranged on the two sides of the rotating shaft to form two rows of shifting pieces, the two rows of shifting pieces comprise multiple sets of shifting pieces which are opposite in pairs and equal in length, each set of shifting pieces are located on the same portion of the rotating shaft and form an included angle, a horizontal ice pushing face is arranged on the side, facing the ice pushing direction, of each shifting piece, and in the section parallel to the horizontal ice pushing face, the ice pushing face is provided with an ice pushing opening. And the maximum width of the plectrum is positioned on the horizontal ice pushing surface. According to the double-row ice pushing rod, the problem that ice blocks fall back abnormally is solved through the design of the two rows of shifting pieces, meanwhile, the lengths of the two rows of shifting pieces are equal, the ice leakage phenomenon is avoided, deformation of parts in the forming process and the ice clamping process is avoided, and the service life of the parts is prolonged. And through the wide design of the horizontal ice pushing surface, the ice pushing amount and the ice pushing power of each plectrum are maximized, so that the ice pushing efficiency is improved.

Description

Technical Field

[0001] This utility model relates to the field of household appliance technology, and in particular to a double-row ice pusher and a household refrigerator ice maker containing the same. Background Technology

[0002] Currently, most household refrigerator ice makers use a single row of pushers. This structure cannot solve the problem of abnormal ice block falling back during the ice pushing process, and the parts may deform.

[0003] To address the shortcomings of single-row ice pushers, existing technologies have proposed double-row ice pushers, such as CN220153052U, which employs double-row pushers with non-uniform characteristics (the second row of pushers is shorter than the first row). However, this structure suffers from low ice-pushing efficiency, mainly in the following two aspects: 1. The two rows of pushers are of different lengths. If the ice block slips when the first row of pushers pushes the ice, the second row of pushers may not be able to push the ice block out due to insufficient length, thus reducing the ice-pushing efficiency. 2. The pushing surface area of ​​the pushers is small, resulting in low pushing power and ice volume. Although shorter pushers are used to improve the insufficient pushing power, problems such as low ice volume and ice leakage still exist, leading to the aforementioned technical problem.

[0004] In addition, the angle design of the double row of ice pushers in the above patent only takes into account the continuity of ice pushing, that is, to achieve alternating ice pushing through the 180° angle design. It does not take into account whether, in the initial state, one row of pushers is in contact with the water surface, causing the pushers to freeze with the ice, thus causing abnormal ice pushing and making it impossible to make ice. Utility Model Content

[0005] To address the technical problems of insufficient ice pushing capacity, ice leakage, and low ice pushing efficiency in existing ice pushing structures, this utility model provides a double-row ice pushing rod and a household refrigerator ice maker containing the rod to solve the above problems.

[0006] This utility model proposes a double-row ice pusher, including a rotating shaft and an ice pusher assembly. The rotating shaft rotates under the drive of a driving component. The ice pusher assembly is arranged on both sides of the rotating shaft to form two rows of paddles. The two rows of paddles include multiple sets of paddles that are opposite each other and of equal length. Each set of paddles is located at the same part of the rotating shaft and forms an included angle. Each paddle has a horizontal ice pusher surface on the side facing the ice pusher direction. In the cross section parallel to the horizontal ice pusher surface, the maximum width of the paddle is located at the horizontal ice pusher surface.

[0007] In an optional embodiment of this invention, the width of each section of the paddle is different in a cross-section parallel to the horizontal ice-pushing surface.

[0008] In an optional embodiment of this utility model, the width of the paddle gradually decreases from the horizontal ice-pushing surface to the side facing away from the horizontal ice-pushing surface.

[0009] In an optional embodiment of this utility model, in the cross-section perpendicular to the length direction of the paddle, the cross-sectional area of ​​the paddle gradually decreases along the length direction, and the surface area of ​​the paddle in contact with the shaft is the largest.

[0010] In an optional embodiment of this utility model, in the same set of paddles, the line connecting the center of the pivot to the end of the horizontal ice-pushing surface is taken as the edge line, and the included angle α of the two edge lines is 160°~170°.

[0011] In an optional embodiment of this utility model, in the same set of paddles, the line connecting the center of the pivot to the end of the horizontal ice-pushing surface is taken as the edge line, and the included angle α of the two edge lines is 165°.

[0012] In an optional embodiment of this utility model, the side of the paddle away from the horizontal ice-pushing surface is designated as the reinforcing surface. In this case, the vertical distance from the edge line to the reinforcing surface of the same paddle gradually decreases from the end closer to the pivot to the end farther from the pivot.

[0013] In an optional embodiment of this utility model, one end of the rotating shaft is engaged with a driving component, and the cross-sectional shape of that end is D-shaped.

[0014] In an optional embodiment of this utility model, the paddle is made of POM material.

[0015] In an optional embodiment of this invention, each paddle has the same shape.

[0016] This utility model also proposes a household refrigerator ice maker, including a drive component, a water inlet tank, an ice storage tank, an ice making tank, and the aforementioned double-row ice pusher rods. The double-row ice pusher rods are located above the ice making tank, with one end of the rotating shaft cooperating with the drive component and the other end gap-fitting with the water inlet tank. The ice pusher assembly pushes the ice blocks in the ice making tank towards the ice storage tank.

[0017] In an optional embodiment of this utility model, when the ice pushing assembly is in the waiting state for ice making, the horizontal ice pushing surface of one of the paddles faces the ice making trough, and the angle b between the horizontal ice pushing surface and the upper horizontal plane of the ice making trough is 15°~20°.

[0018] The beneficial effects of this utility model are:

[0019] (1) The double-row ice pusher described in this utility model solves the problem of abnormal ice block falling back by designing two rows of paddles. At the same time, the lengths of the two rows of paddles are equal, which avoids the occurrence of ice leakage and also avoids deformation during the forming process of parts and the process of ice jamming. Furthermore, the wide design of the horizontal ice pushing surface maximizes the ice pushing amount and ice pushing power of each paddle, thereby improving the ice pushing efficiency.

[0020] (2) Through the rational design of the paddle structure, this utility model achieves the effects of lightweight paddle structure and maximized ice pushing efficiency while ensuring the connection strength between the paddle and the shaft and avoiding deformation of the paddle under force.

[0021] (3) The present invention uses the angle design of two rows of paddles to enable the two rows of paddles to push the ice alternately, while also separating from the upper horizontal surface of the ice-making tank during the ice-making stage, thereby preventing the paddles from freezing with the ice in the ice-making tank. Attached Figure Description

[0022] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0023] Figure 1 This is a schematic diagram illustrating a specific embodiment of the household refrigerator ice maker described in this utility model;

[0024] Figure 2 This is a perspective view of a specific embodiment of the double-row ice pusher described in this utility model;

[0025] Figure 3 This is a side view of the double-row ice pusher described in this utility model;

[0026] Figure 4 This is a state diagram of the household refrigerator ice maker described in this utility model when it is in the waiting state for ice making.

[0027] In the diagram, 1 is the edge line, 2 is the water inlet, 3 is the reinforcing surface, 4 is the ice-making tank, 5 is the shell, 6 is the double row of ice-pushing rods, 7 is the pivot, 8 is the ice-pushing assembly, 801 is the first lever, 802 is the second lever, and 9 is the horizontal ice-pushing surface. Detailed Implementation

[0028] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0029] like Figure 1 As shown, a typical household refrigerator ice maker includes a drive unit (located inside the housing 5, not shown in the figure), a water inlet 2, an ice storage tank, an ice maker 4, and an ice pusher. Figure 1 The crossbeam shown is the upper support of the ice-making tank 4. The ice-pushing rod is located above the ice-making tank 4. A housing 5 and a water-filling tank 2 are respectively located at both ends of the ice-pushing rod. The driving component is installed inside the housing 5, and the driving component drives the ice-pushing rod to rotate (it can rotate clockwise or counterclockwise; it needs to be reversed when ice is stuck). Water from the water-filling tank 2 is injected into the ice-making tank 4. The ice-pushing rod is used to push the ice blocks in the ice-making tank 4 into the ice storage tank. This utility model mainly designs the structure and installation angle of the ice-pushing rod, which is specifically described through the following embodiments.

[0030] Example 1

[0031] like Figures 1-3 As shown, a double-row ice pusher 6 is used for Figure 1 The household refrigerator ice maker shown includes a rotating shaft 7 and an ice-pushing assembly 8. The rotating shaft 7 rotates under the drive of a driving component. One end of the rotating shaft 7 is engaged with the driving component, and the cross-sectional shape of this end is preferably D-shaped. The ice-pushing assembly 8 is arranged on both sides of the rotating shaft 7 to form two rows of paddles. The two rows of paddles include multiple sets of paddles that are opposite each other and of equal length. Each set of paddles is located at the same part of the rotating shaft 7 and forms an angle. Compared with the existing double-row push rod design with inconsistent features, this utility model makes the length of each paddle consistent. If the ice blocks slip when the first row of paddles pushes the ice, the second row of paddles can catch all the ice blocks, and there will be no ice leakage. Moreover, when the paddle lengths are consistent, the force on the two rows of paddles during processing is also close to consistent, which can reduce the probability of deformation of the double-row ice-pushing rod 6.

[0032] In terms of improving the ice-pushing power, this utility model provides a horizontal ice-pushing surface 9 on the side of each paddle facing the ice-pushing direction, and in the cross section parallel to the horizontal ice-pushing surface 9, the maximum width of the paddle is located at the horizontal ice-pushing surface 9.

[0033] For ease of description, such as Figure 2As shown, viewed from the left end of the rotating shaft 7, let the lever on the left side of the rotating shaft 7 be the first lever 801, and the lever on the right side of the rotating shaft 7 be the second lever 802. The first lever 801 and the second lever 802, located at the same cross section of the rotating shaft 7, form a set of levers to complete the alternating ice-pushing operation. As can be seen from the figure, the horizontal ice-pushing surface 9 of the first lever 801 faces upward, and the horizontal ice-pushing surface 9 of the second lever 802 faces downward, so the ice-pushing direction is the clockwise rotation direction. The second lever 802 and the first lever 801 push the ice alternately. Regardless of whether it is the first lever 801 or the second lever 802, when it rotates into the ice-making tank 4, it can contact the ice block through the horizontal ice-pushing surface 9. The horizontal pushing surface 9 has a large cross-sectional area, which increases the amount of ice pushed. Extending the paddle from the horizontal pushing surface 9 circumferentially by a certain thickness ensures the paddle's structural strength and prevents breakage. Therefore, other sections parallel to the horizontal pushing surface 9 do not contribute to ice pushing. To reduce the weight of the paddle, the cross-sectional area of ​​these sections needs to be minimized. This results in a paddle structure with the largest width at the cross-section of the horizontal pushing surface 9 in this invention. It should be noted that the width mentioned here refers to the width of each section at a point equidistant from the pivot 7.

[0034] This invention solves the ice leakage problem in existing double-row ice-pushing structures by using a design with two rows of equally long paddles. At the same time, the design of the horizontal ice-pushing surface 9 compensates for the insufficient pushing power and pushing amount, thereby achieving a significant improvement in ice-pushing efficiency.

[0035] Under the premise of meeting the above structural conditions, each of the paddles can be designed with different sizes and structures as needed. In particular, there may be certain differences between the first paddle 801 and the second paddle 802. In this utility model, in order to avoid product deformation during processing, it is preferable that each paddle has the same shape.

[0036] The paddle is preferably made of POM (polyoxymethylene) material. POM is a non-flexible material and is not easily deformed when heated.

[0037] In this embodiment, the width of the paddle is not equal in each cross-section of the horizontal ice-pushing surface 9. In other alternative embodiments, a cross-section with a certain width value may also have a certain thickness.

[0038] Regarding the width design of the paddle, the width variation in the circumferential direction can gradually decrease or change irregularly from small to large. If the width variation is a gradual change from small to large or from large to small, then there will inevitably be concave sides on the outer surface of the paddle. These sides are prone to water accumulation or ice jamming, causing obstruction to pushing ice and making it difficult to clean. Therefore, in this embodiment, the width of the paddle gradually decreases from the horizontal ice pushing surface 9 to the side facing away from the horizontal ice pushing surface 9.

[0039] Cross-sectional distribution along the length of the lever:

[0040] To avoid obstructing the movement of the ice cube, the thickness of the pick cannot be too large. However, to ensure the strength of the pick's connection, the contact area between the pick and the pivot 7 should be maximized. In general, in a cross-section perpendicular to the length of the pick, the cross-sectional area gradually decreases along the length, and the surface area of ​​the pick in contact with the pivot 7 is maximized. It should be noted that the length direction of the pick is the radial direction of the pivot 7; that is, the pick gradually tapers or becomes pointed from the end connected to the pivot 7 to the end furthest from the pivot 7.

[0041] Example 2

[0042] Based on the above embodiments, this embodiment limits the included angle between two paddles in the same set of paddles, specifically as follows: Figure 3 As shown, in the same set of pushers, with the line connecting the center of the pivot 7 to the end of the horizontal ice-pushing surface 9 as edge line 1, the included angle α between the two edge lines 1 is 160°~170°. This angle design allows the second pusher 802 and the first pusher 801 in the same set of pushers to basically achieve alternating ice pushing, that is, when the second pusher 802 leaves the ice-making trough 4, the first pusher 801 then enters the ice-making trough 4, which doubles the ice pushing efficiency compared to a single-row pusher structure.

[0043] Meanwhile, when waiting for ice to be made, the included angle α is set upwards. Since the paddle gradually becomes thinner in the radial direction, the first paddle 801 and the second paddle 802 can be tilted upwards, which can prevent the two paddles from contacting and freezing with the ice in the ice making tank 4.

[0044] To further ensure that the paddle contacts the ice in the ice-making tank 4, the side of the paddle away from the horizontal ice-pushing surface 9 is made into a reinforcing surface 3. The vertical distance from the edge line 1 to the reinforcing surface 3 of the same paddle gradually decreases from the end closer to the rotating shaft 7 to the end farther away from the rotating shaft 7. This ensures that when the ice is waiting to be made, the lower surface of the paddle is tilted upward and will not extend downward into the ice-making tank 4.

[0045] Among them, the included angle α between the two side lines 1 is 165°. At this time, during the ice-making waiting stage, the double-row ice pusher 6 can make the horizontal ice-pushing surface 9 of the pusher and the ice-making tank 4 as close as possible without the pusher blades freezing in contact with the ice blocks, thus achieving rapid ice pushing after the machine is turned on.

[0046] Example 3

[0047] Based on the above embodiment, when the ice-pushing assembly 8 is in the waiting state for ice making, the horizontal ice-pushing surface 9 of one of the paddles faces the ice-making groove 4, and the angle b between the horizontal ice-pushing surface 9 and the upper horizontal plane of the ice-making groove 4 is 15°~20°. Figure 4As shown, with the horizontal ice-pushing surface 9 of the second lever 802 facing downwards and the horizontal ice-pushing surface 9 of the first lever 801 facing upwards, the angle b between the horizontal ice-pushing surface 9 of the second lever 802 and the upper horizontal plane of the ice-making tank 4 is 15°~20°. At this time, the second lever 802 is approximately horizontal and close to the upper horizontal plane of the ice-making tank 4. This avoids the first lever 801 from contacting the water surface of the ice-making tank 4 due to an excessively large angle between the first lever 801 and the second lever 802. Figure 4 As shown, the first blade 801 is tilted upwards as a whole, and its reinforcing surface 3 is a certain distance away from the upper horizontal surface of the ice-making tank 4, which can prevent the first blade 801 from freezing with water.

[0048] By combining this embodiment with the angle design in Implementation 2, the optimal arrangement of the double-row ice pusher can be achieved.

[0049] In the description of this utility model, it should be understood that the terms "length", "width", "left", "right", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0050] Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be interpreted as indicating or implying relative importance.

[0051] In this specification, the illustrative expressions of the terms do not necessarily refer to the same embodiments. Moreover, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments.

[0052] Based on the above-described preferred embodiments of this utility model, and through the foregoing description, those skilled in the art can make various changes and modifications without departing from the technical concept of this utility model. The technical scope of this utility model is not limited to the contents of the specification, but must be determined according to the scope of the claims.

Claims

1. A double-row ice pusher, characterized in that, include: The rotating shaft (7) rotates under the drive of the driving component; The ice-pushing assembly (8) is arranged on both sides of the rotating shaft (7) to form two rows of paddles. The two rows of paddles include multiple sets of paddles that are opposite each other and of equal length. Each set of paddles is located at the same part of the rotating shaft (7) and forms an angle. Each paddle has a horizontal ice-pushing surface (9) on the side facing the ice-pushing direction. In the cross section parallel to the horizontal ice-pushing surface (9), the maximum width of the paddle is located at the horizontal ice-pushing surface (9).

2. The double-row ice pusher according to claim 1, characterized in that: In a cross section parallel to the horizontal ice-pushing surface (9), the width of each cross section of the paddle is not equal.

3. The double-row ice pusher according to claim 2, characterized in that: The width of the paddle gradually decreases from the horizontal ice-pushing surface (9) to the side facing away from the horizontal ice-pushing surface (9).

4. The double-row ice pusher according to claim 1, characterized in that: In the cross section perpendicular to the length of the paddle, the cross-sectional area of ​​the paddle gradually decreases along the length direction, and the surface area of ​​the paddle in contact with the rotating shaft (7) is the largest.

5. The double-row ice pusher according to claim 4, characterized in that: In the same set of paddles, the line connecting the center of the pivot (7) to the end of the horizontal ice-pushing surface (9) is taken as the edge line (1), and the included angle α between the two edge lines (1) is 160°~170°.

6. The double-row ice pusher according to claim 5, characterized in that: In the same set of paddles, the line connecting the center of the pivot (7) to the end of the horizontal ice-pushing surface (9) is taken as the edge line (1), and the included angle α between the two edge lines (1) is 165°.

7. The double-row ice pusher according to claim 5, characterized in that: If the side of the paddle away from the horizontal ice-pushing surface (9) is designated as the reinforcing surface (3), then the vertical distance from the edge line (1) to the reinforcing surface (3) of the same paddle gradually decreases from the end closer to the pivot (7) to the end farther from the pivot (7).

8. The double-row ice pusher according to claim 1, characterized in that: One end of the rotating shaft (7) is engaged with the driving component, and the cross-sectional shape of the end is D-shaped.

9. The double-row ice pusher according to claim 1, characterized in that: The paddle is made of POM material.

10. The double-row ice pusher according to any one of claims 1-9, characterized in that: Each pick has the same shape.

11. A household refrigerator ice maker, characterized in that: The device includes a drive component, a water injection tank (2), an ice storage tank, an ice making tank (4), and a double-row ice pusher (6) as described in any one of claims 1-10. The double-row ice pusher (6) is located above the ice making tank (4). One end of the rotating shaft (7) is engaged with the drive component, and the other end is engaged with the water injection tank (2) with a clearance. The ice pushing assembly (8) pushes the ice blocks in the ice making tank (4) toward the ice storage tank.

12. The household refrigerator ice maker according to claim 11, characterized in that: When the ice pushing assembly (8) is in the waiting state for ice making, the horizontal ice pushing surface (9) of one of the paddles faces the ice making tank (4), and the angle b between the horizontal ice pushing surface (9) and the upper horizontal plane of the ice making tank (4) is 15°~20°.

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