CN209978436U

CN209978436U - Evaporation system of ice maker

Info

Publication number: CN209978436U
Application number: CN201920666541.6U
Authority: CN
Inventors: 张会超; 沈嘉威
Original assignee: Zhongshan Xiehou Electrical Appliance Technology Co Ltd
Current assignee: Zhongshan Xiehou Electrical Appliance Technology Co Ltd
Priority date: 2019-05-09
Filing date: 2019-05-09
Publication date: 2020-01-21
Anticipated expiration: 2029-05-09

Abstract

The utility model provides an evaporation system of ice maker, including ice making barrel, evaporimeter, spiral reamer, actuating mechanism, the spiral reamer is placed in ice making barrel, its characterized in that: the evaporator is a cylindrical coil pipe spirally wound on the outer wall of the ice making cylinder, the ice making cylinder is arranged in the outer sleeve, a heat insulation layer is arranged between the outer wall of the ice making cylinder and the outer sleeve, and the evaporator penetrates through the outer sleeve and is connected to a refrigeration circulating pipeline of the compressor, the condenser and the capillary; the driving mechanism comprises a motor and a reduction gearbox, an upper cover and a lower cover of the reduction gearbox are closed to form a gear chamber, a gear set is arranged in the gear chamber, and the gear set forms a three-stage gear reduction mechanism.

Description

Evaporation system of ice maker

Technical Field

The utility model relates to an ice machine technical field, more specifically say, relate to an ice machine's evaporation system.

Background

With the improvement of living standard of people, ice making has great demand in life. The screw ice maker is a continuous ice making device, ice making and ice removing are carried out simultaneously, the size is small, the occupied area is small, the installation is simple, and the preparation process, ice removing time and other time are not needed in the whole ice making process. The screw ice maker is composed of a compressor, a condenser, an evaporator, an ice making cylinder, a spiral reamer, an ice skate blade, a refrigerator and the like. The working principle of the ice making machine is that when a refrigerant passes through the outer wall of the evaporator, the heat of water in the evaporator is absorbed and taken away, the water temperature gradually drops to the freezing point to form ice particles, and a screw type ice scraper in an ice making cylinder rotates under the driving of a motor to convey ice upwards along with a screw reamer. Most of the ice machines in the market are large commercial machines, and with the change of the market, the demand of the small ice machines is gradually increased, the price of the small ice machines cannot be compared with that of the commercial ice machines, so that the requirements on the component structure optimization of the small ice machines are provided, and the structural optimization of the evaporation system serving as a core component of the ice machines is difficult to overcome at first. Therefore, research and development are needed to provide an evaporation system which has a simpler structure and a lower cost and is more suitable for a small-sized ice maker.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an evaporation system of ice maker, it has characteristics small, simple structure, low in manufacturing cost to overcome prior art not enough.

The technical proposal of the utility model for solving the technical problem is that: the utility model provides an evaporation system of ice maker, includes ice making barrel, evaporimeter, spiral reamer, actuating mechanism, the spiral reamer is placed in ice making barrel, its characterized in that: the evaporator is a cylindrical coil pipe spirally wound on the outer wall of the ice making cylinder, the ice making cylinder is arranged in the outer sleeve, a heat insulation layer is arranged between the outer wall of the ice making cylinder and the outer sleeve, and the evaporator penetrates through the outer sleeve and is connected to a refrigeration circulating pipeline of the compressor, the condenser and the capillary; the driving mechanism comprises a motor and a reduction gearbox, an upper cover and a lower cover of the reduction gearbox are closed to form a gear chamber, a gear set is arranged in the gear chamber, and the gear set forms a three-stage gear reduction mechanism.

The gear train includes first reduction gear, second reduction gear, third gear, first reduction gear includes the first gear wheel and the first pinion of coaxial setting, the second reduction gear includes the second gear wheel and the second pinion of coaxial setting, first pinion and second gear wheel meshing, second pinion and third gear engagement.

The upper cover comprises a chain wheel type cover plate and a motor round platform which are of an integral structure, the motor round platform is arranged at the small-diameter end of the chain wheel type cover plate, the large-diameter end of the chain wheel type cover plate partially protrudes upwards to form an ice maker mounting platform, an upwards annular protruding shaft seat is arranged on the ice maker mounting platform, an output shaft of a third gear extends out of the shaft seat, and a bearing counter bore is arranged on the central axis of the motor round platform.

The bottom wall of the lower cover is provided with a first reduction gear shaft seat, a second reduction gear shaft seat and a third gear shaft seat, and a gear supporting piece is arranged in the third gear shaft seat.

The utility model has the advantages that:

compared with the prior art, the utility model discloses the evaporation system of ice machine realizes refrigerant phase change refrigeration through spiral winding evaporator coil on ice-making section of thick bamboo wall to reach and cool down in order to make ice particle or frozen water rapidly the indoor water of ice-making. The main body of the ice making cylinder is of a hollow cylinder structure, the evaporator coil is made of a copper pipe through coiling, the copper pipe can be fixed on the main body of the ice making cylinder through a simple tool, and the ice making cylinder is simple in structure, low in material cost and low in manufacturing cost.

The ice maker uses the spiral reamer to extrude and lift the crushed ice attached to the inner wall of the ice making cylinder, so that water in the ice making cylinder generates proper ice blocks, the spiral reamer is driven by the motor to drive the reduction gearbox, the reduction gearbox and the motor are of a split structure, the reduction of the motor is realized through the gear set, the reduction gearbox adopts a multi-stage variable speed design, gears can adopt universal parts through the meshing transmission between large gears and small gears, the structure is simple, the ice maker can be directly purchased on the market, and special ordering is not needed, so that the cost of an evaporation system is greatly reduced.

Drawings

Fig. 1 is a sectional view of the ice maker according to the present invention.

Fig. 2 is a schematic view of the ice making cylinder structure of the present invention.

Fig. 3 is an enlarged view of a portion a of fig. 1.

Fig. 4 is a schematic structural diagram of the reduction gearbox of the present invention.

Fig. 5 is a schematic structural view of an upper cover of the reduction gearbox.

FIG. 6 is a schematic view of the structure of the lower cover of the reduction box.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "lateral", "up", "down", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. "plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected. Can also be detachably connected or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases for those skilled in the art.

Referring to fig. 1 to 6, an evaporation system of an ice maker includes an ice making cylinder, an evaporator, a spiral reamer and a driving mechanism, wherein the spiral reamer is placed in the ice making cylinder, the evaporator is a cylindrical coil spirally wound on an outer wall of the ice making cylinder, the ice making cylinder is arranged in an outer sleeve, a heat insulation layer is arranged between the outer wall of the ice making cylinder and the outer sleeve, and the evaporator passes through the outer sleeve and is connected to a refrigeration circulation pipeline of a compressor, a condenser and a capillary tube; the driving mechanism comprises a motor and a reduction gearbox, an upper cover and a lower cover of the reduction gearbox are closed to form a gear chamber, a gear set is arranged in the gear chamber, and the gear set forms a three-stage gear reduction mechanism. The method comprises the following specific steps:

the evaporation system of the ice maker adopts compression type refrigeration, the refrigeration cycle system is formed by sequentially connecting a compressor 12, a condenser 11, a capillary tube and an evaporator, the compressor and the condenser are arranged in the rear half area of the shell of the ice maker, and an ice making barrel and an ice storage barrel are arranged in front of the compressor and the condenser. An ice discharging device is provided at the front side of the ice storage barrel. The condenser comprises radiating fins and a serpentine coil which is inserted on the radiating fins back and forth, and the evaporator is a cylindrical coil which is spirally wound on the outer wall of the ice making cylinder. The refrigerant exhaust pipe of the compressor is communicated with the liquid inlet end of the serpentine coil of the condenser, the liquid outlet end of the serpentine coil of the condenser is communicated with one end of the capillary tube through the connecting pipe, the other end of the capillary tube is communicated with the connecting pipe and communicated with the evaporator pipeline in the ice making cylinder, and the outlet of the evaporator is communicated with the gas inlet end of the compressor. A cooling fan 14 is fixed to the condenser. When the machine is put into operation, the compressor supplies the evaporator with refrigerant of a lower temperature. The refrigerant exchanges heat with water in the ice making cylinder through the coil evaporator, and ice particles are condensed on the inner wall.

The coil evaporator is wound on the outer surface of the stainless steel ice making cylinder, the coil is tightly leaned against the outer surface of the stainless steel ice making cylinder to reduce thermal resistance during winding, a heat insulation layer 26 is filled outside the ice making cylinder of the evaporation system, and the heat insulation layer is clamped between the outer wall of the ice making cylinder and an outer cylinder sleeve, is a heat insulation foaming layer and can also be a heat insulation layer of foamed rubber plastic heat insulation materials wrapped outside. The spiral reamer for making ice blocks is inserted into the ice making cylinder, the bottom of the cylinder is provided with a bearing support, the rubber sealing ring is arranged at the same time, and the water inlet hose is sleeved on the water inlet pipe of the ice making cylinder. The top of the outer cylinder sleeve is arranged on a flange 21, the cylinder wall of the bottom part is contracted to form two inclined planes, a water inlet pipe orifice 22 and a waste water pipe orifice 23 are arranged on the inclined planes, the water inlet pipe and the waste water pipe are connected with the ice making cylinder from the openings, so that water for making ice enters the ice making cylinder, and when residual water is drained, waste water flows out from the waste water pipe orifice 23. Valve switches (not shown) are arranged on the pipelines of the water inlet pipe and the waste water pipe.

The driving part of the evaporation system is completed by a motor reducing mechanism and comprises a motor 20 and a reduction gearbox 10, the reduction gearbox is installed on a base of the ice maker and consists of an upper cover 101 and a lower cover 102, the upper cover and the lower cover of the reduction gearbox are closed to form a gear chamber, a gear set is arranged in the gear chamber, a driving motor is fixed on the upper cover of the reduction gearbox, an output shaft of the motor is connected with an input gear of the gear set of the reduction gearbox, an output shaft of the gear set of the reduction gearbox is connected with a spiral reamer for making ice, and when the motor drives the reduction gear set to run.

The gear set in the reduction gearbox forms a three-stage gear reduction mechanism, the gear set consists of a first reduction gear, a second reduction gear and a third gear, the first reduction gear comprises a first large gear 211 and a first small gear 212 which are coaxially arranged, the second reduction gear comprises a second large gear 221 and a second small gear 222 which are coaxially arranged, the output shaft of the motor is connected with a motor shaft gear 201, the motor shaft gear 201 is meshed with the first large gear 211, the first small gear 212 is meshed with the second large gear 221, the second small gear 222 is meshed with a third gear 231, and a gear shaft 232 of the third gear is the output shaft of the gear set of the reduction gearbox. Therefore, the output shaft of the motor rotates to drive the output shaft of the reduction gearbox gear set to rotate, and the spiral reamer is driven to rotate slowly.

In the gear reduction transmission mechanism, a motor shaft gear is meshed with a first large gear to form a first-stage reduction speed, and the reduction ratio range is 10: 1 to 12: 1. The first small gear and the second large gear are meshed to form two-stage speed reduction, and the reduction ratio range is 3: 1 to 4: 1. And a third-stage reduction is formed by meshing the second pinion with the third gear, and the reduction ratio range is 5: 1 to 7: 1. The first gearwheel is made of nylon material, so that noise caused by high-speed rotation of the motor shaft gear can be reduced, and the nylon material has good wear resistance and better reliability than other material gears under the condition of high speed ratio.

The upper cover comprises a chain wheel type cover plate 25 and a motor circular table 26 which are of an integral structure, the motor circular table is arranged at the small-diameter end of the chain wheel type cover plate, the large-diameter end of the chain wheel type cover plate is locally protruded upwards to form an ice maker mounting table 27, an upwards annular protruded shaft seat 271 is arranged on the ice maker mounting table, an output shaft of the third gear extends out of the shaft seat, and a bearing counter bore 261 is arranged on the central axis of the motor circular table.

The ice maker mounting platform is circular, and a plurality of rib blocks 272 are arranged on the inner side of the ice maker mounting platform around the shaft seat.

A first reduction gear shaft seat 28, a second reduction gear shaft seat 29 and a third gear shaft seat 30 are arranged on the bottom wall of the lower cover, and a gear support member (not shown) is arranged in the third gear shaft seat. The gear support may be a bearing.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents, and all changes that can be made without inventive step are intended to be embraced therein.

Claims

1. The utility model provides an evaporation system of ice maker, includes ice making barrel, evaporimeter, spiral reamer, actuating mechanism, the spiral reamer is placed in ice making barrel, its characterized in that: the evaporator is a cylindrical coil pipe spirally wound on the outer wall of the ice making cylinder, the ice making cylinder is arranged in the outer sleeve, a heat insulation layer is arranged between the outer wall of the ice making cylinder and the outer sleeve, and the evaporator penetrates through the outer sleeve and is connected to a refrigeration circulating pipeline of the compressor, the condenser and the capillary; the driving mechanism comprises a motor and a reduction gearbox, an upper cover and a lower cover of the reduction gearbox are closed to form a gear chamber, a gear set is arranged in the gear chamber, and the gear set forms a three-stage gear reduction mechanism.

2. The evaporation system of an ice maker as set forth in claim 1, wherein: the gear train includes first reduction gear, second reduction gear, third gear, first reduction gear includes the first gear wheel and the first pinion of coaxial setting, the second reduction gear includes the second gear wheel and the second pinion of coaxial setting, first pinion and second gear wheel meshing, second pinion and third gear engagement.

3. The evaporation system of an ice maker as set forth in claim 2, wherein: the upper cover comprises a chain wheel type cover plate and a motor round platform which are of an integral structure, the motor round platform is arranged at the small-diameter end of the chain wheel type cover plate, the large-diameter end of the chain wheel type cover plate partially protrudes upwards to form an ice maker mounting platform, an upwards annular protruding shaft seat is arranged on the ice maker mounting platform, an output shaft of a third gear extends out of the shaft seat, and a bearing counter bore is arranged on the central axis of the motor round platform.

4. The evaporation system of an ice maker as set forth in claim 3, wherein: the bottom wall of the lower cover is provided with a first reduction gear shaft seat, a second reduction gear shaft seat and a third gear shaft seat, and a gear supporting piece is arranged in the third gear shaft seat.