Motor screw structure of ice maker

Abstract

The utility model belongs to the technical field of ice makers, and particularly relates to a motor screw structure of an ice maker, which comprises a casing, a motor arranged in the casing, a rotating shaft connected with an output shaft of the motor, a screw mounted on the periphery of the rotating shaft, a barrel mounted on the periphery of the screw, and a plastic mouth mold mounted at the upper port of the barrel. A first external thread is formed on the periphery of an upper end opening of the barrel, a first metal internal thread connecting piece is fixed on the inner periphery of the lower end of the plastic mouth mold, a plastic base is installed on the lower end opening of the barrel, a first internal thread is formed on the inner periphery of the lower end opening of the barrel, and a second metal external thread connecting piece is fixed on the periphery of the upper end of the plastic base. The mouth mold and the base are respectively made of plastic materials, the cost is lower, the metal internal thread connecting piece I is embedded in the inner circumference of the plastic mouth mold, and the metal external thread connecting piece II is embedded in the outer circumference of the plastic base, so that the metal parts are connected and matched more firmly and are not easy to loosen.

Description

Technical Field

[0001] The utility model relates to the technical field of ice making machines, in particular to a motor screw structure of an ice making machine. Background Art

[0002] An ice machine is a refrigeration mechanical device that generates ice by cooling water through an evaporator with the refrigerant of the refrigeration system. It uses a refrigeration system and water as a carrier to make ice by passing it through a device under power-on. The shape of the ice cubes generated varies according to the principle and production method of the evaporator. People generally classify ice machines into granular ice machines, flake ice machines, plate ice machines, tube ice machines, shell ice machines, etc. based on the shape of the ice. If you want to crush the ice cubes condensed after refrigeration into granules or blocks, you need to use an ice crushing device.

[0003] For example, a Chinese utility model, with publication number CN216204533U, discloses an ice crushing device for an ice maker, comprising a bracket, a motor, a cylinder and a guide outlet, wherein the cylinder is mounted on the bracket, the motor is mounted on the bracket, and the guide outlet is used to guide the ice cubes in the cylinder. The device also includes a mouth die mounted on the bracket, a rotating shaft that passes through the mouth die and extends into the cylinder is mounted on the output end of the motor, and an auger mounted on the rotating shaft is arranged in the cylinder; the guide outlet mask is arranged on the mouth die, a water inlet for water injection is opened at the bottom end of the cylinder, and a refrigeration mechanism for condensing the water in the cylinder into ice cubes is installed outside the cylinder, and the ice cubes pass through the mouth die and enter the guide outlet after being lifted and crushed by the auger.

[0004] The lower port of the cylinder in the ice crushing device is closed, the manufacturing process is complicated and the cost is high, and the mouth mold is made of metal material, so the structure needs to be further improved to reduce the cost. Utility Model Content

[0005] The utility model aims to provide an ice-making machine motor screw structure, which solves the problem of high cost of the existing structure by embedding a metal threaded connector.

[0006] The purpose of the utility model is achieved as follows: an ice-making machine motor screw structure comprises a casing, a motor is arranged in the casing, the output shaft of the motor is connected to a rotating shaft, a screw is mounted on the outer periphery of the rotating shaft, a barrel is mounted on the outer periphery of the screw, a plastic die is mounted on the upper port of the barrel, an external thread is formed on the outer periphery of the upper port of the barrel, a metal internal thread connector is fixed on the inner periphery of the lower end of the plastic die, a plastic base is mounted on the lower port of the barrel, an internal thread is formed on the inner periphery of the lower port of the barrel, and a metal external thread connector is fixed on the upper outer periphery of the plastic base.

[0007] Preferably, the outer circumference of the screw is formed with spiral blades, a feeding channel is formed between the outer circumference of the screw and the barrel, a fixed through hole for inserting the rotating shaft is opened in the screw, and the rotating shaft and the screw are fixedly connected by interference fit.

[0008] Preferably, a fastening hole 1 is provided on the upper side wall of the rotating shaft, a fastening hole 2 is provided on the output shaft, a fixing groove for inserting the output shaft is formed on the upper end of the rotating shaft, and one end of the fastener is screwed into fastening hole 1 and fastening hole 2 in sequence to fix the rotating shaft to the output shaft.

[0009] Preferably, a connecting piece is installed on the outer periphery of the upper end of the rotating shaft, and a fastening hole three for the fastener to be screwed into is opened on the side wall of the connecting piece.

[0010] Preferably, a bracket is installed on the outer periphery of the plastic die, and a plurality of connecting rods are connected between the outer periphery of the bracket and the casing.

[0011] Preferably, a first bearing is arranged between the outer periphery of the lower end of the screw and the plastic base, and a second bearing is arranged between the outer periphery of the upper end of the screw and the plastic die.

[0012] Compared with the prior art, the utility model has the following outstanding and beneficial technical effects:

[0013] The utility model reduces costs and provides a firm connection through the design of a metal threaded connector. Compared with the prior art in which the die and the base are both made of metal materials, the die and the base in the utility model are respectively made of plastic materials, which has a lower cost. In addition, by inlaying a metal internal threaded connector 1 on the inner periphery of the plastic die and inlaying a metal external threaded connector 2 on the outer periphery of the plastic base, the connection between the metal parts is more firm and not easy to loosen. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0015] Figure 2 It is a schematic diagram of the exploded structure of parts of the utility model.

[0016] Figure 3 It is a cross-sectional structural schematic diagram of the utility model.

[0017] Figure 4 It is a schematic diagram of the structure of the rotating shaft, screw and output shaft.

[0018] Reference numerals: 1- housing; 2- motor; 3- output shaft; 4- rotating shaft; 5- screw rod; 6- barrel; 7- plastic die; 8- external thread one; 9- metal internal thread connector one; 10- plastic base;

[0019] 11-internal thread 1; 12-metal external thread connector 2; 13-spiral blade; 14-feeding channel;

[0020] 15-fixing through hole; 16-fastening hole 1; 17-fastening hole 2; 18-fixing groove; 19-connecting piece;

[0021] 20-fastening hole three; 21-bracket; 22-connecting rod; 23-bearing one; 24-bearing two; 25-fastener. DETAILED DESCRIPTION

[0022] The specific implementation of the utility model is further described in detail below with reference to the accompanying drawings.

[0023] like Figure 1-4 As shown, a motor screw structure of an ice maker comprises a casing 1, a motor 2 is arranged in the casing 1, an output shaft 3 of the motor 2 is connected to a rotating shaft 4, a screw 5 is mounted on the periphery of the rotating shaft 4, a barrel 6 is mounted on the periphery of the screw 5, a plastic die 7 is mounted on the upper port of the barrel 6, an external thread 8 is formed on the outer periphery of the upper port of the barrel 6, a metal internal thread connector 9 is fixed to the inner periphery of the lower end of the plastic die 7, a plastic base 10 is mounted on the lower port of the barrel 6, an internal thread 11 is formed on the inner periphery of the lower port of the barrel 6, and a metal external thread connector 12 is fixed to the outer periphery of the upper end of the plastic base 10.

[0024] The utility model reduces costs and provides a firm connection through the design of a metal threaded connector. Compared with the prior art in which the die and the base are both made of metal materials, the die and the base in the utility model are respectively made of plastic materials, which has a lower cost. In addition, by inlaying a metal internal threaded connector 9 on the inner periphery of the plastic die 7 and inlaying a metal external threaded connector 12 on the outer periphery of the plastic base 10, the connection and cooperation between the metal parts are more firm and not easy to loosen.

[0025] The outer circumference of the screw 5 is formed with a spiral blade 13, and a feeding channel 14 is formed between the outer circumference of the screw 5 and the barrel 6. When the screw 5 rotates, the spiral blade 13 drives the ice cubes in the feeding channel 14 to move upward. A fixed through hole 15 for inserting the rotating shaft 4 is opened in the screw 5. The rotating shaft 4 and the screw 5 in the technical solution are fixedly connected by interference fit, which can effectively reduce costs compared with the one-piece casting method used in the prior art.

[0026] A fastening hole 16 is provided on the upper end side wall of the rotating shaft 4, a fastening hole 2 17 is provided on the output shaft 3, and a fixing groove 18 for inserting the output shaft 3 is formed on the upper end of the rotating shaft 4. One end of the fastener 25 is screwed into the fastening hole 16 and the fastening hole 2 17 in sequence to fix the rotating shaft 4 to the output shaft 3, so that the screw rod is connected to the motor in a hanging manner. The connection structure is simple and convenient for disassembly and maintenance.

[0027] A connecting piece 19 is installed on the outer periphery of the upper end of the rotating shaft 4, and a fastening hole three 20 for the fastener 25 to be screwed into is opened on the side wall of the connecting piece 19. In the actual installation process, the fixing groove 18 at the upper end of the rotating shaft 4 is first installed on the outer periphery of the output shaft 3, and then the connecting piece 19 is installed on the outer periphery of the rotating shaft 4, and finally one end of the fastener 25 is screwed into the fastening hole three 20, the fastening hole one 16 and the fastening hole two 17 in sequence to achieve a fastened connection.

[0028] A bracket 21 is installed on the periphery of the plastic die 7, and a plurality of connecting rods 22 are connected between the periphery of the bracket 21 and the housing 1, thereby improving the stability of the connection between the lower component and the housing and preventing it from shaking during operation.

[0029] A bearing 1 23 is arranged between the outer periphery of the lower end of the screw 5 and the plastic base 10 , and a bearing 24 is arranged between the outer periphery of the upper end of the screw 5 and the plastic die 7 .

[0030] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. An ice-making machine motor screw structure, characterized in that: The invention comprises a housing (1), wherein a motor (2) is arranged in the housing (1), an output shaft (3) of the motor (2) is connected to a rotating shaft (4), a screw (5) is mounted on the outer periphery of the rotating shaft (4), a barrel (6) is mounted on the outer periphery of the screw (5), a plastic die (7) is mounted on the upper end of the barrel (6), an external thread (8) is formed on the outer periphery of the upper end of the barrel (6), a metal internal thread connector (9) is fixed on the inner periphery of the lower end of the plastic die (7), a plastic base (10) is mounted on the lower end of the barrel (6), an internal thread (11) is formed on the inner periphery of the lower end of the barrel (6), and a metal external thread connector (12) is fixed on the outer periphery of the upper end of the plastic base (10).

2. The ice-making machine motor screw structure according to claim 1, characterized in that: The outer circumference of the screw (5) is formed with a spiral blade (13), a feeding channel (14) is formed between the outer circumference of the screw (5) and the barrel (6), a fixing through hole (15) for inserting the rotating shaft (4) is provided in the screw (5), and the rotating shaft (4) and the screw (5) are fixedly connected by an interference fit.

3. The ice-making machine motor screw structure according to claim 1, characterized in that: A first fastening hole (16) is formed on the upper side wall of the rotating shaft (4), a second fastening hole (17) is formed on the output shaft (3), a fixing groove (18) for inserting the output shaft (3) is formed on the upper end of the rotating shaft (4), and one end of the fastener (25) is screwed into the first fastening hole (16) and the second fastening hole (17) in sequence, so that the rotating shaft (4) is fixedly connected to the output shaft (3).

4. The ice-making machine motor screw structure according to claim 3, characterized in that: A connecting piece (19) is installed on the outer periphery of the upper end of the rotating shaft (4), and a fastening hole (20) for a fastener (25) to be screwed into is provided on the side wall of the connecting piece (19).

5. The ice-making machine motor screw structure according to claim 1, characterized in that: A bracket (21) is installed on the outer periphery of the plastic die (7), and a plurality of connecting rods (22) are connected between the outer periphery of the bracket (21) and the housing (1).

6. The ice-making machine motor screw structure according to claim 1, characterized in that: A first bearing (23) is arranged between the outer periphery of the lower end of the screw rod (5) and the plastic base (10), and a second bearing (24) is arranged between the outer periphery of the upper end of the screw rod (5) and the plastic die (7).

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