Extrusion type ice maker
By installing a heating device at the ice outlet, the problems of freezing and noise at the ice outlet of the extrusion ice maker were solved, achieving a smooth ice dispensing effect.
Patent Information
- Application Number
- CN202520556835.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-27
- Publication Date
- 2026-02-24
- Estimated Expiration
- 2035-03-27
AI Technical Summary
The ice outlet of existing extrusion ice makers is prone to freezing, leading to noise and uneven ice dispensing.
A heating device, including heating elements such as heating wires or heating plates, is installed at the ice outlet to prevent the ice outlet from freezing and to solve the noise and uneven ice discharge caused by the friction between the ice formed on the screw of the spiral reamer and the ice at the ice outlet.
It effectively prevents the ice outlet from freezing, reduces noise, ensures smooth ice dispensing, and improves the user experience.
Smart Images

Figure CN223939700U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field, and in particular to an extrusion ice maker. Background Technology
[0002] An ice maker (English name: ice maker or ice machine) is a refrigeration mechanical device that produces ice by cooling water through an evaporator with a refrigerant in a refrigeration system. It uses a refrigeration system with water as the carrier and produces ice by passing it through a device when powered on.
[0003] Existing ice makers are generally classified into spray type, immersion type, and extrusion type based on their ice-making principles. Among them, extrusion ice makers include a cylindrical ice-making mechanism, which includes an ice-making shell, a spiral cutter, and an evaporator tube. The evaporator tube provides the cooling capacity required for ice making. The spiral cutter is installed inside the ice-making shell and is driven by a motor to rotate, continuously extruding ice from the ice outlet. Currently, the ice outlet of extrusion ice makers (chewable ice makers) on the market is easily affected by the low temperature conduction of the evaporator. Due to the excessively low temperature of the ice outlet, it freezes. Secondly, a closed space is formed inside the evaporator, and the residual gas inside the evaporator forms a pressure chamber, preventing external water from entering the evaporation chamber. The ice formed on the screw of the spiral cutter at the ice outlet rubs against the ice at the ice outlet, which causes noise and uneven ice dispensing.
[0004] To solve these problems, it is necessary to improve existing technologies. Utility Model Content
[0005] (a) Technical problems that need to be solved
[0006] To address the shortcomings of existing technologies, this utility model provides an extrusion-type ice maker that, while maintaining a reasonable design, effectively prevents the ice outlet from freezing. It also helps to solve problems such as noise caused by the friction between the ice formed on the screw of the spiral auger and the ice at the outlet, as well as uneven ice dispensing, thus better meeting the user's needs.
[0007] (ii) Technical solutions to be adopted
[0008] To achieve the above objectives, the technical solution adopted by this utility model is as follows:
[0009] An extrusion-type ice maker includes an ice-making shell and a spiral auger disposed inside the ice-making shell and driven to rotate by a motor. The upper end of the ice-making shell is provided with a plurality of ice outlets. An evaporator coil is wound around the outer wall of the ice-making shell to provide the cooling capacity required for ice making. An ice-sweeping head is provided at the upper end of the spiral auger. The ice-sweeping head can break the ice blocks extruded from the ice outlets and push them out of the ice outlets as the spiral auger rotates. A heating device is provided on the ice-making shell at the ice outlet position.
[0010] Preferably, the heating device includes a heating element wrapped around the ice-making shell at the ice outlet location.
[0011] Preferably, the heating element is a heating wire or a heating plate.
[0012] Preferably, a positioning groove is formed on the ice-making shell at the ice outlet position, and the heating element is installed in the positioning groove.
[0013] Preferably, the ice-making shell includes a main body and a spiral reamer disposed inside the main body and rotatable by a motor. A water inlet is provided on one side of the main body, and an evaporation shell is provided on the main body above the water inlet. The evaporation shell and the main body form an evaporation chamber, and the evaporator coil is disposed in the evaporation chamber. An air inlet pipe and an air outlet pipe for the evaporator coil to enter and exit are provided on the evaporation shell. An ice outlet head is provided on the upper end face of the main body. The screw of the spiral reamer can pass through the center of the ice outlet head. An ice sweeping head is provided on the screw of the spiral reamer that passes through the ice outlet head. A plurality of ice outlets are evenly arranged on the ice outlet head with the screw of the spiral reamer that passes through the ice outlet head as the center, and a heating device is provided on the side wall of the ice outlet head.
[0014] Preferably, a spring is provided below the screw of the helical reamer.
[0015] Preferably, the interior of the ice-making housing at the spring position is an evaporation water tank.
[0016] (III) The technical effects to be achieved
[0017] Compared with the prior art, the beneficial effects of this utility model are:
[0018] Firstly, the ice-making shell at the ice outlet of this utility model is equipped with a heating device, which, while maintaining a reasonable design, can effectively prevent the ice outlet from freezing. It also helps to solve problems such as noise caused by the friction between the ice formed on the screw of the spiral reamer and the ice at the ice outlet, as well as uneven ice dispensing, thus better meeting the user's needs.
[0019] Secondly, the heating device of this utility model includes a heating element wrapped around the ice-making shell at the ice outlet. This design is reasonable and easy to implement. It can be used simply by connecting the heating element to electricity, making it more convenient and reasonable to use.
[0020] Thirdly, the heating device of this utility model includes a heating element wrapped around the ice-making shell at the ice outlet. This arrangement is reasonable, facilitates the installation of the heating element, and is more conducive to improving the temperature of the ice outlet, thus better meeting the user's needs. Attached Figure Description
[0021] Figure 1 This is a schematic diagram of the structure of this utility model.
[0022] Figure 2 for Figure 1 Diagram showing the right-center view.
[0023] Figure 3 for Figure 2 Sectional view along the AA direction.
[0024] Figure 4 This is a schematic diagram of the overall design of this utility model.
[0025] Figure 5 This is an exploded view of the present invention.
[0026] In the diagram: 1, ice-making shell; 2, spiral cutter; 3, ice outlet; 4, ice sweeping head; 5, heating device; 11, main body; 12, water inlet; 13, evaporation shell; 14, evaporation chamber; 15, ice outlet; 21, spring; 22, evaporation water tank. Detailed Implementation
[0027] In the description of this utility model, it should be noted that when an element is referred to as being "fixed to" or "set on" another element, it can be directly on or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to or indirectly connected to the other element.
[0028] In the description of this utility model, it should be noted that the terms "center," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the utility model product is in use. They 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. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first," "second," and "third," etc., are only used to distinguish descriptions and should not be construed as indicating or implying relative importance. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "multiple" means two or more, unless otherwise explicitly specified. "Several" means one or more, unless otherwise explicitly specified.
[0029] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" 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 meaning of the above terms in this utility model based on the specific circumstances.
[0030] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. However, it should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit its scope. Furthermore, descriptions of well-known structures and technologies are omitted in the following description to avoid unnecessarily obscuring the concept of the present utility model.
[0031] Example 1: See Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5An extrusion-type ice maker includes an ice-making shell 1 and a spiral auger 2 disposed inside the ice-making shell 1 and driven to rotate by a motor. The upper end of the ice-making shell 1 has several ice outlets 3. The spiral auger 2, disposed inside the ice-making shell 1 and driven to rotate by a motor, extrudes ice from the ice-making shell 1 through the ice outlets 3. An evaporator coil (not shown in the figure; the evaporator coil is part of the refrigeration system of the ice maker 1) is coiled around the outer wall of the ice-making shell 1 to provide the required cooling capacity for ice making. The wall is used to provide the cold energy required for ice making. The upper end of the spiral reamer 2 is equipped with an ice-sweeping head 4. As the spiral reamer 2 rotates, the ice-sweeping head 4 can break the ice blocks squeezed out of the ice outlet 3 and push them out of the ice outlet 3. The ice-making shell 1 at the ice outlet 3 is equipped with a heating device 5. The heating device 5 can effectively prevent the ice outlet 3 from freezing. It also helps to solve the problems of noise caused by the friction between the ice formed on the screw of the spiral reamer 2 and the ice at the ice outlet 3, as well as the problem of uneven ice discharge. It is more conducive to meeting the user's needs.
[0032] Example 2: This can be explained based on Example 1, such as... Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, the heating device 5 includes a heating element wrapped around the ice-making shell 1 at the ice outlet 3. The heating element is an electric heating wire or a heating plate (the heating plate has a heating resistor inside), which is beneficial to achieving the heating effect. In order to better install the heating element, a positioning groove is opened on the ice-making shell 1 at the ice outlet 3, and the heating element is installed in the positioning groove.
[0033] Example 3: This can be described based on Example 1 or Example 2, such as... Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5As shown, the ice-making shell 1 includes a main body 11 and a spiral reamer 2 that can be driven to rotate by a motor inside the main body 11. A water inlet 12 is provided on one side of the main body 11. An evaporation shell 13 is provided on the main body 11 above the water inlet 12. The evaporation shell 13 and the main body 11 form an evaporation chamber 14, and an evaporator coil is provided in the evaporation chamber 14. This not only helps to protect the evaporator coil, but also avoids the problem of unsightly and unnovel parts due to exposed components. The evaporation shell 13 is provided with an air inlet pipe and an air outlet pipe for the evaporator coil to enter and exit. An ice outlet head 15 is provided on the upper end face of the main body 11. The center of the ice head 15 allows the screw of the spiral reamer 2 to pass through. An ice-sweeping head 4 is provided on the screw of the spiral reamer 2 that passes through the ice head 15. With the screw of the spiral reamer 2 that passes through the ice head 15 as the center, a number of ice outlets 3 are evenly arranged on the ice head 15. In this embodiment, six are used. A heating device 5 is provided on the side wall of the ice head 15. This arrangement is reasonable, easy to implement, and more conducive to heating during ice discharge. It helps to solve the problems of noise caused by the friction between the ice formed on the screw of the spiral reamer 2 and the ice at the ice outlets 3, as well as the problem of uneven ice discharge. It is more conducive to meeting the user's needs.
[0034] Example 4: This can be described based on Example 1, Example 2, or Example 3, such as... Figure 3 and Figure 5 As shown, a spring 21 is installed below the screw of the spiral reamer 2. This arrangement is reasonable, simple in structure, and easy to implement. Further explanation is as follows... Figure 3 As shown, the ice-making housing 1 at the spring 21 position contains an evaporation water tank 22. This arrangement is reasonable and more conducive to normal operation.
[0035] All standard parts used in this application can be purchased from the market, and the specific connection methods of each part adopt conventional methods such as bolts and rivets that are mature in the existing technology, which will not be described in detail here.
[0036] It should be noted that although the above embodiments have been described herein, this does not limit the scope of patent protection for this utility model. Therefore, any changes and modifications made to the embodiments described herein based on the innovative concept of this utility model, or equivalent structural or procedural transformations made using the content of this utility model's specification and drawings, directly or indirectly applying the above technical solutions to other related technical fields, are all included within the scope of protection of this utility model patent.
Claims
1. An extrusion-type ice maker, comprising an ice-making shell (1) and a spiral auger (2) disposed within the ice-making shell (1) and rotatable by a motor, wherein the upper end of the ice-making shell (1) is provided with a plurality of ice outlets (3), and an evaporator coil is wound around the outer wall of the ice-making shell (1) to provide the cooling capacity required for ice making, and the upper end of the spiral auger (2) is provided with an ice-sweeping head (4), wherein the ice-sweeping head (4) can break the ice blocks extruded from the ice outlets (3) and push them out of the ice outlets (3) as the spiral auger (2) rotates, characterized in that: A heating device (5) is provided on the ice-making shell (1) at the ice outlet (3).
2. The extrusion-type ice maker as described in claim 1, characterized in that: The heating device (5) includes a heating element that is wrapped around the ice-making shell (1) at the ice outlet (3).
3. The extrusion-type ice maker as described in claim 2, characterized in that: The heating element is either an electric heating wire or a heating plate.
4. The extrusion-type ice maker as described in claim 2 or 3, characterized in that: A positioning groove is provided on the ice-making shell (1) at the ice outlet (3) position, and the heating element is installed in the positioning groove.
5. The extrusion-type ice maker as described in claim 1, 2, or 3, characterized in that: The ice-making shell (1) includes a main body (11) and a spiral auger (2) disposed inside the main body (11) and rotatable by a motor. A water inlet (12) is provided on one side of the main body (11). An evaporation shell (13) is provided on the main body (11) above the water inlet (12). The evaporation shell (13) and the main body (11) form an evaporation chamber (14), and the evaporator coil is provided in the evaporation chamber (14). The evaporation shell (13) is provided with a device for evaporation. The device tube is used for the inlet and outlet pipes. The upper end face of the main body (11) is provided with an ice outlet head (15). The center of the ice outlet head (15) is through which the screw of the spiral reamer (2) can pass. The screw of the spiral reamer (2) through the ice outlet head (15) is provided with an ice sweeping head (4). With the screw of the spiral reamer (2) through the ice outlet head (15) as the center, a number of ice outlets (3) are evenly arranged on the ice outlet head (15). The side wall of the ice outlet head (15) is provided with the heating device (5).
6. The extrusion-type ice maker as described in claim 1, 2, or 3, characterized in that: A spring (21) is provided below the screw of the spiral reamer (2).
7. The extrusion-type ice maker as described in claim 6, characterized in that: The ice-making housing (1) located at the spring (21) has an evaporation tank (22) inside.