CN114646160A

CN114646160A - Ice making machine

Info

Publication number: CN114646160A
Application number: CN202210231415.4A
Authority: CN
Inventors: 张明坤; 杨志强; 田浩亮; 吴祥安; 李汝迪
Original assignee: Zhongshan Donlim Weili Electrical Equipment Co Ltd
Current assignee: Zhongshan Donlim Weili Electrical Equipment Co Ltd
Priority date: 2022-03-10
Filing date: 2022-03-10
Publication date: 2022-06-21

Abstract

The invention discloses an ice maker, wherein an evaporator is provided with an ice outlet part which upwards discharges ice; the upper water tank is provided with an overflow port connected with the discharge structure; discharge structure one end is equipped with can dismantle cup joint in the opening of ice portion, the other end is equipped with the spout that takes vertical logical groove, leads to the groove below and corresponds with the overflow passageway position. The overflow channel extends to the lower part of the ice basket from the rear part of the ice basket and is communicated with the lower water tank through a water guide hole between the ice basket and the lower water tank. According to the invention, through the arrangement of the overflow port, the through groove, the water guide hole and other structures, after being discharged from the upper water tank, the overflow water sequentially flows through the discharge structure and the overflow channel and finally flows back to the lower water tank, so that the recovery of the overflow water can be realized, the problem that the overflow water enters the ice basket to influence the ice storage effect is solved, and the recovered overflow water can be recycled, so that the resources are saved; the discharge structure adopts the detachable mode to connect in ice portion, installs and removes very conveniently, is convenient for wash clean more sanitary discharge structure.

Description

Ice making machine

Technical Field

The invention relates to the technical field of ice machines, in particular to an ice machine.

Background

With the improvement of the quality of life, people have higher pursuit in the aspect of eating and drinking, especially in summer, drinks such as milk tea, coffee, lemon tea and the like are deeply loved by young people, and the ice making machine is directly popularized more and more. Taking a beverage shop as an example, in view of the high frequency of use of an ice maker, once a problem occurs, it is very annoying: 1) when the ice maker works for a long time, water supply faults are easy to occur, the upper water tank is continuously in a water adding state, overflow water generated by the upper water tank can enter the ice basket, ice blocks are rapidly melted under the soaking of the overflow water, and the ice storage effect is influenced; 2) the evaporator and the discharge structure are arranged integrally, water is conveyed to the ice basket from the discharge structure after being refrigerated in the evaporator, and the discharge structure cannot be disassembled and cleaned after being used for a long time, so that the hidden health trouble exists. Accordingly, there is a need for improvements in the art.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides an ice maker.

In order to realize the purpose, the invention adopts the following technical scheme:

an ice maker comprises an evaporator, an upper water tank, a discharge structure, an ice basket, an overflow channel and a lower water tank,

the evaporator is provided with an ice outlet part which upwards discharges ice;

the upper water tank is provided with an overflow port connected with the discharge structure;

one end of the discharging structure is provided with an opening part which is detachably sleeved on the ice outlet part, the other end of the discharging structure is provided with a sliding chute with a vertical through groove, and the lower part of the through groove corresponds to the position of the overflow channel.

The overflow channel extends to the lower part of the ice basket from the rear part of the ice basket and is communicated with the lower water tank through a water guide hole between the ice basket and the lower water tank.

Preferably, the upper end face of the ice outlet part is provided with an ice outlet which is flush with the upper end face of the opening part, and the ice outlet part is in sealing connection with the opening part.

Preferably, the outside of spout is equipped with rail portion, and the middle part of spout is equipped with the installation ear.

Preferably, the fence part is provided with a clamping part clamped with the overflow port at one side close to the upper water tank.

Preferably, the chute is inclined towards the ice basket, and a guide piece is arranged on the lower surface of the chute and corresponds to the lower edge of the through groove.

Preferably, the bottom of the ice basket is provided with an ice melting water outflow hole, and the inner cavity of the ice basket is communicated with the overflow channel through the ice melting water outflow hole.

Preferably, a screw rod with adjustable rotating speed is installed inside the evaporator, the screw rod and the evaporator are axially overlapped, and one end of the screw rod is connected with a driving device.

Preferably, the driving device comprises a motor, a gear set and a gear shifting mechanism, the motor is in transmission connection with the screw rod through the gear set, and the gear shifting mechanism is connected with the gear set.

Preferably, the ice maker comprises an external water pipe, one end of the external water pipe is communicated with the upper water tank, and the other end of the external water pipe is communicated with the outside of the ice maker.

Preferably, the ice maker comprises a water pump for pressurizing water in the external water receiving pipe, and one end of the external water receiving pipe communicated with the outside of the ice maker is connected with an electromagnetic valve and/or a filter.

The invention has the following beneficial effects:

according to the invention, through the arrangement of the overflow port, the through groove, the water guide hole and other structures, after being discharged from the upper water tank, the overflow water sequentially flows through the discharge structure and the overflow channel and finally flows back to the lower water tank, so that the recovery of the overflow water can be realized, the problem that the overflow water enters the ice basket to influence the ice storage effect is solved, and the recovered overflow water can be recycled, so that the resources are saved; the discharge structure adopts the detachable mode to connect in ice portion, installs and removes very conveniently, is convenient for wash clean more sanitary discharge structure.

Drawings

Fig. 1 is a schematic view of the assembly of the overflow channel according to the invention.

Fig. 2 is a partially enlarged view of the overflow channel of the present invention.

Fig. 3 is an assembly view of the header tank according to the present invention.

Fig. 4 is a schematic view of the assembly of the infrared transmitter and the signal receiver according to the present invention.

Fig. 5 is a schematic view of the assembly of the separator of the present invention.

Fig. 6 is a schematic structural view of the water outlet pipe according to the present invention.

Fig. 7 is a partially enlarged view of the on-off valve of the present invention.

Fig. 8 is a schematic structural view of an evaporator according to the present invention.

Fig. 9 is an assembly view of the driving device according to the present invention.

Fig. 10 is a schematic view of the discharge structure according to the present invention.

Fig. 11 is an assembly view of the external water pipe according to the present invention.

Description of the drawings: the device comprises a machine shell 1, an evaporator 2, an upper water tank 3, a discharge structure 4, an ice basket 5, an overflow channel 6, a lower water tank 7, a sliding chute 8, an overflow port 9, a through groove 10, a water guide hole 11, an infrared emitter 12, a signal receiver 13, a first placing cavity 14, a support 15, a second placing cavity 16, a partition plate 17, a water guide groove 18, a water outlet pipe 19, an on-off valve 20, a water outlet hole 21, a valve core 22, a sealing part 23, a spring 24, a stop part 25, an ice outlet part 26, an opening part 27, an ice outlet 28, a fence part 29, a mounting lug 30, a guide sheet 31, a screw rod 32, a driving device 33, an external water pipe 34, a water pump 35 and a filter 36.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 3, 8 and 10, the present invention provides an embodiment of:

an ice maker comprises an evaporator 2, an upper water tank 3, a discharge structure 4, an ice basket 5, an overflow channel 6 and a lower water tank 7, wherein the evaporator 2 is provided with an ice outlet part 26 for discharging ice upwards; the upper water tank 3 is provided with an overflow port 9 connected with the discharge structure 4; one end of the discharging structure 4 is provided with an opening part 27 which is detachably sleeved on the ice outlet part 26, the other end of the discharging structure is provided with a sliding chute 8 with a vertical through groove 10, and the position of the lower part of the through groove 10 corresponds to that of the overflow channel 6. The overflow channel 6 extends from the rear of the ice basket 5 to the lower part of the ice basket 5 and is communicated with the lower water tank 7 through a water guide hole 11 between the ice basket 5 and the lower water tank 7.

In the prior art, the ice maker comprises a machine shell 1, an evaporator 2, an upper water tank 3, a discharge structure 4, an ice basket 5, an overflow channel 6 and a lower water tank 7, wherein the discharge structure 4 is provided with a chute 8, the lower water tank 7 supplies water for the upper water tank 3, the upper water tank 3 supplies water for the evaporator 2, the evaporator 2 refrigerates the water into ice, and ice blocks enter the discharge structure 4 and are conveyed to the ice basket 5 through the chute 8.

By providing the evaporator 2 with the ice discharge portion 26, the ice discharge portion 26 may be provided at the upper end of the evaporator 2, and ice cubes can be discharged upward from the ice discharge portion 26 after the evaporator 2 cools water into ice. By arranging the opening part 27 at one end of the discharging structure 4, the inner side of the opening part 27 is detachably sleeved outside the ice discharging part 26, after water enters the evaporator 2 and completes refrigeration, ice cubes are discharged from the ice discharging part 26 and enter the discharging structure 4, and the discharging structure 4 conveys the ice cubes and enters the ice basket 5. Because the discharge structure 4 is detachably connected to the ice outlet portion 26, the ice dispenser can be mounted without fasteners such as buckles and screws, is very convenient to mount and dismount, is convenient to clean the discharge structure 4, and is cleaner and more sanitary.

Through setting up overflow mouth 9 at upper water tank 3, overflow mouth 9 can be the lateral wall that sets up at upper water tank 3, and upper water tank 3 passes through overflow mouth 9 and is connected with discharge structure 4, and the water level when in upper water tank 3 constantly rises, and water overflows and produce the overflow water in upper water tank 3, and the overflow water just enters into discharge structure 4 through overflow mouth 9 discharge. Through arranging the sliding chute 8 at the other end of the discharge structure 4 and arranging the through groove 10 in the vertical direction of the sliding chute 8, the through groove 10 can be vertically downwards arranged from the sliding surface of the sliding chute 8; the position below the through groove 10 corresponds to the position of the overflow channel 6, and may be that below the through groove 10 corresponds to the inlet of the overflow channel 6, and overflow water is discharged through the through groove 10 and enters the overflow channel 6. The water guide hole 11 is formed in the overflow channel 6, the water guide hole 11 is located between the ice basket 5 and the lower water tank 7, the overflow channel 6 is communicated with the lower water tank 7 through the water guide hole 11, and overflow water is discharged through the water guide hole 11 and enters the lower water tank 7. The overflow channel 6 extends from the rear of the ice basket 5 to the lower part of the ice basket 5, and since the ice basket 5 is placed in the machine shell 1, the overflow channel 6 can be a gap between the outer side of the ice basket 5 and the machine shell 1, so that the overflow channel 6 with the L-shaped cross section is isolated. Therefore, overflow water is generated from the upper water tank 3, flows through the discharge structure 4 and the overflow channel 6 in sequence, and finally enters the lower water tank 7, a backflow path is provided for the overflow water, and the overflow water can be recycled after being recovered.

According to the invention, by arranging the structures such as the overflow port 9, the through groove 10 and the water guide hole 11, overflow water flows through the discharge structure 4 and the overflow channel 6 in sequence after being discharged from the upper water tank 3 and finally flows back to the lower water tank 7, so that the recovery of the overflow water can be realized, the problem that the ice storage effect is influenced when the overflow water enters the ice basket 5 is solved, and the recovered overflow water can be recycled, so that resources are saved; the discharge structure 4 is detachably connected to the ice outlet part 26, so that the discharge structure 4 is convenient to assemble and disassemble and is more clean and sanitary, and the discharge structure 4 is convenient to clean.

In the present embodiment, it is preferable that the ice outlet portion 26 has an ice outlet 28 on an upper end surface thereof and is flush with an upper end surface of the opening portion 27, and the ice outlet portion 26 is in sealing contact with the opening portion 27. By providing the ice outlet 28 at the upper end surface of the ice outlet 26, ice cubes are discharged upward from the ice outlet 28, and the upper end surface of the ice outlet 26 is flush or substantially flush with the upper end surface of the opening 27, so that the ice cubes can more smoothly enter the discharge structure 4 and be conveyed after being discharged from the ice outlet 28, and the ice cubes are prevented from being retained due to a large step between the upper end surface of the opening 27 and the upper end surface of the ice outlet 28. Since the ice cubes may have a small amount of water on the surface thereof after being discharged from the ice outlet 28, water leakage, water seepage, etc. can be prevented by sealing the opening 27 and the ice outlet 26.

In the present embodiment, it is preferable that a fence portion 29 is provided on the outer side of the chute 8, and a mounting lug 30 is provided in the middle of the chute 8. By arranging the fence part 29 outside the chute 8, the fence part 29 can be formed by turning the outside of the chute 8 upwards, and the fence part 29 effectively blocks ice blocks to prevent the ice blocks from being separated from the chute 8 when sliding; the rail portion 29 does not close the end of the chute 8, ensuring that ice cubes can be discharged from the end of the chute 8. Through set up installation ear 30 in the middle part of spout 8, installation ear 30 can be through bolt fixed connection in casing 1, can improve spout 8's stability, alleviates the load pressure that the ice-cube produced spout 8, avoids spout 8 to appear warping, crooked.

In this embodiment, the fence 29 preferably has a latch portion for latching with the overflow port 9 on a side close to the header tank 3. Can carry out the joint with overflow mouth 9 through setting up joint portion, realize that upper water tank 3 is connected with spout 8, because the position of joint portion is higher than the glide plane of spout 8, overflow water can flow into in the spout 8 downwards after 9 discharges of overflow mouth.

In the present embodiment, preferably, the chute 8 is inclined toward the ice basket 5, and the guide piece 31 is provided on the lower surface of the chute 8, and the guide piece 31 corresponds to the lower edge of the through groove 10. By arranging the chute 8 to incline towards the ice basket 5, the chute 8 can better guide and convey ice blocks under the action of gravity, so that the ice blocks are prevented from being detained on the chute 8; the end of the chute 8 may extend above the ice basket 5 or inside the ice basket 5, and the ice pieces can fall or slide into the ice basket 5 after being discharged from the end of the chute 8. By arranging the guide piece 31 on the lower surface of the through groove 10, the guide piece 31 can be vertically arranged; the guide plate 31 corresponds to the lower edge of the through groove 10, and the guide plate 31 can be arranged on the lower edge of the last row of through grooves 10 close to the tail end of the sliding chute 8; after the overflow water is discharged through the through groove 10, the guide sheet 31 can guide the discharged overflow water, so that the overflow water can accurately flow to a designated position, and splashing is avoided.

In this embodiment, preferably, the bottom of the ice basket 5 is provided with an ice melting water outflow hole, and the inner cavity of the ice basket 5 is communicated with the overflow channel 6 through the ice melting water outflow hole. When the ice blocks in the ice basket 5 are melted, ice melting water is generated, the ice blocks are soaked by the ice melting water which is retained in the ice basket 9, and the ice blocks are melted rapidly; the ice melting water outflow hole is formed, the ice melting water outflow hole can be formed in the position, close to the rear side, of the bottom of the ice basket 9, ice melting water in the ice basket 5 is discharged through the ice melting water outflow hole, flows into the overflow channel 6 and finally flows back into the lower water tank 7, and the problems are effectively solved.

Referring to fig. 9, in the present embodiment, preferably, a screw 32 with an adjustable rotation speed is installed inside the evaporator 2, and the screw 32 is axially overlapped with the evaporator 2 and has one end connected to a driving device 33. The screw rod 32 is installed in the evaporator 2, the rotating speed of the screw rod 32 is adjustable, the screw rod 32 is axially overlapped with the evaporator 2, and water in the evaporator 2 flows towards the ice outlet part 26 along with the rotation of the screw rod 32. By connecting a driving device 33 to one end of the screw 32, the driving device 33 can drive the screw 32 to rotate and control the rotating speed of the screw 32; when soft ice needs to be prepared, the driving device 33 increases the rotating speed, the rotating speed of the screw 32 is high, the retention time of water in the evaporator 2 is short, namely the cooling time of water is short, and the hardness of freezing is low; when hard ice needs to be prepared, the driving device 33 reduces the rotation speed, the rotation speed of the screw 32 is slow, the retention time of water in the evaporator 2 is long, namely the cooling time of water is long, and the hardness of solidified ice is high, so that the function of adjusting the hardness of ice blocks is realized.

In this embodiment, the driving device 33 preferably includes a motor, a gear set, and a gear shift mechanism, the motor is in transmission connection with the screw 32 through the gear set, and the gear shift mechanism is connected with the gear set. Through setting up motor and gear train, the motor can be the motor that possesses or does not possess the speed governing function, and the motor passes through the gear train to be connected with screw rod 32 transmission, and the starter motor can drive screw rod 32 and rotate. Through setting up gearshift, gearshift is connected with the gear train, and gearshift provides the function of shifting gears for the gear train to this meshing relation that changes the gear train internal gear, adjusts the drive ratio of gear train promptly, realizes the control of screw 32 slew velocity.

Referring to fig. 11, in the present embodiment, the ice maker preferably includes an external water pipe 34, and one end of the external water pipe 34 is communicated with the upper water tank 3, and the other end is communicated with the outside of the ice maker. Through setting up external water pipe 34, external water pipe 34 one end and last water tank 3 intercommunication, the other end and the outside intercommunication of ice machine, the outside water of ice machine can enter into in last water tank 3 through external water pipe 34 to this provides an external mode of adding water. For example: the external water pipe 34 is connected with a faucet at one end communicated with the outside of the ice maker, and after the faucet is opened, water flow enters the external water pipe 34 by virtue of pressure of the water flow and is conveyed to the upper water tank 3, so that the purpose of adding water outside is achieved.

In this embodiment, the ice maker preferably includes a water pump 35 for pressurizing water in an external water pipe 34, and an electromagnetic valve and/or a filter 36 is connected to one end of the external water pipe 34 communicating with the outside of the ice maker. Through setting up water pump 35, water pump 35 locates between the 34 both ends of external water pipe, and water pump 35 can pressurize the water in the external water pipe 34, improves the output pressure of water, and the outside water of ice machine is in entering into header tank 3 more easily after the pressurization, avoids being detained in external water pipe 34 because of water pressure is not enough. By arranging the electromagnetic valve, the electromagnetic valve can play a role of opening and closing, the water in the external water pipe 34 is controlled to flow/stand still, the relevant control with other parts is facilitated, the water way is opened/closed at proper time, and the automatic water adding function is realized in a matching manner; through setting up filter 36, filter 36 can be located casing 1 or outside casing 1, and the outside water of ice machine filters through filter 36 before getting into external water pipe 34, can get rid of aquatic impurity, and is more clean sanitary.

Referring to fig. 1 and 4, in the present embodiment, preferably, horizontally corresponding infrared transmitters 12 and signal receivers 13 are respectively disposed outside two side walls of the ice basket 5, and infrared light emitted from the infrared transmitters 12 passes through the ice basket 5 and reaches the signal receivers 13. By arranging the infrared transmitter 12 and the signal receiver 13 outside the side walls of the two sides of the ice basket 5, the infrared transmitter 12 and the signal receiver 13 can be arranged on the machine shell 1 outside the side walls of the two sides of the ice basket 5; the infrared emitter 12 and the signal receiver 13 are horizontally corresponding, the ice basket 5 can be positioned between the infrared emitter 12 and the signal receiver 13, the infrared emitter 12 can emit infrared light, and the signal receiver 13 can receive the infrared light and make signal feedback; the ice basket 5 may be made of transparent material, and infrared light emitted from the infrared emitter 12 can pass through the ice basket 5 and reach the signal receiver 13, thereby realizing infrared correlation. The infrared emitter 12 and the signal receiver 13 correspond to a certain horizontal height of the ice basket 5, and by observing the infrared correlation condition, if the infrared correlation condition can be finished, it is indicated that no ice block is blocked in the ice basket 5, and the ice amount does not reach the certain horizontal height; otherwise, if the infrared correlation cannot be completed, it is indicated that the ice basket 5 is blocked by the ice cubes and the ice amount reaches the height, so that the ice amount detection function is realized.

In the present embodiment, the ice maker preferably includes a first placing cavity 14 having an opening at a front side, the ice basket 5 is slidably installed in the first placing cavity 14 in a front-back direction, and a bracket 15 connected to the infrared transmitter 12 and a mounting hole for embedding the signal receiver 13 are respectively provided on a side wall of the first placing cavity 14. By arranging the first placing cavity 14, the first placing cavity 14 is provided with a forward arranged opening, and the ice basket 5 is slidably arranged in the first placing cavity 14 along the front-back direction, so that the ice basket 5 can be installed in a drawer type; the side wall of the first placing cavity 14 is provided with a support 15 and a mounting hole respectively, the support 15 is connected with an infrared transmitter 12 outside the side walls of the two sides of the ice basket 5, a signal receiver 13 is embedded in the mounting hole, a mounting area can be provided for the infrared transmitter 12 and the signal receiver 13, and the mounting, dismounting and adjustment are convenient.

In the present embodiment, the ice maker preferably includes a second placing chamber 16 having an opening at a front side, the lower water tank 7 is slidably installed in the second placing chamber 16 in a front-rear direction, and the first placing chamber 14 is located above the second placing chamber 16 and is communicated with the second placing chamber 16 through the water guide hole 11. By arranging the second placing cavity 16, the second placing cavity 16 is provided with a forward opening, and the lower water tank 7 is slidably arranged in the second placing cavity 16 along the front-back direction, so that the drawer type installation of the lower water tank 7 can be realized; the first placing cavity 14 is located above the second placing cavity 16, the first placing cavity 14 is communicated with the second placing cavity 16 through the water guide hole 11, the water guide hole 11 can be located at the bottom of the first placing cavity 14, the lower water tank 7 can be provided with an upward opening, and overflow water in the overflow channel 6 can enter the lower water tank 7 through the water guide hole 11.

Referring to fig. 5, in the present embodiment, the ice maker preferably includes a partition 17 detachably installed, the partition 17 partitions the first placing chamber 14 and the second placing chamber 16, the water guide hole 11 is disposed in the middle of the partition 17, and a water guide groove 18 extending toward the water guide hole 11 is disposed on the upper surface of the partition 17. The first placing cavity 14 and the second placing cavity 16 can be separated by arranging the partition plate 17, and the partition plate 17 is detachably mounted, so that the partition plate is convenient to detach and clean; because the ice blocks are arranged in the first placing cavity 14 and the water is arranged in the second placing cavity 16, the ice blocks and the water have larger temperature difference, the ice blocks are easy to melt under the action of heat transfer, and the partition plate 17 seals the first placing cavity 14 and the second placing cavity 16, so that the temperature transfer between the first placing cavity 14 and the second placing cavity 16 can be blocked, and the problem of the accelerated melting of the ice blocks is solved; the guiding hole 11 is arranged in the middle of the partition board 17, the guiding groove 18 is arranged on the upper surface of the partition board 17, and the guiding groove 18 extends towards the guiding hole 11, so that the overflow water can be collected and discharged. Of course, the partition 17 may be arranged such that the central water guiding hole 11 is located lower and the peripheral water guiding hole is located higher, and the overflow water is collected by the inclined surface, and the inclined surface forms the continuous water guiding groove 18.

Referring to fig. 6 to 7, in the present embodiment, preferably, a water outlet pipe 19 is installed inside the lower water tank 7, an inlet end of the water outlet pipe 19 is communicated with the inside of the lower water tank 7 and is located at the bottom of the lower water tank 7, an outlet end of the water outlet pipe 19 is communicated with the outside of the lower water tank 7 and is located at the top of the lower water tank 7, and an outlet end of the water outlet pipe 19 is provided with an on-off valve 20. The water outlet pipe 19 is arranged in the lower water tank 7, the inlet end of the water outlet pipe 19 is communicated with the interior of the lower water tank 7, the inlet end of the water outlet pipe 19 is positioned at the bottom of the lower water tank 7, the inlet end of the water outlet pipe 19 can be bent by 90 degrees, and the pipe hole at the inlet end of the water outlet pipe 19 can be right opposite to the bottom of the water tank, so that when water in the lower water tank 7 is extracted, the bottom of the lower water tank 7 can be completely extracted; the outlet end of the water outlet pipe 19 is communicated with the outside of the lower water tank 7, and the outlet end of the water outlet pipe 19 is positioned at the top of the lower water tank 7. An on-off valve 20 is arranged at the outlet end of the water outlet pipe 19, and the on-off valve 20 is a one-way valve; when the lower water tank 7 is drawn out forwards, the on-off valve 20 seals the outlet end of the water outlet pipe 19 to form sealing of the outlet end of the water outlet pipe. When the lower water tank 7 is pushed back, the on-off valve 20 opens the outlet end of the water outlet pipe 19, and the normal conveying function is recovered.

In this embodiment, preferably, the rear side wall of the lower water tank 7 is provided with a water outlet hole 21, the outlet end of the water outlet pipe 19 is clamped to the water outlet hole 21 and corresponds to the position of the water outlet hole 21, and the on-off valve 20 is installed in the water outlet hole 21 in a matching manner. A water outlet hole 21 is formed in the rear side wall of the lower water tank 7, and the water outlet hole 21 is installed in a matched mode with the on-off valve 20; the outlet end of the water outlet pipe 19 is clamped on the water outlet hole 21 and corresponds to the position of the water outlet hole 21, the outlet end of the water outlet pipe 19 is communicated with the outside of the lower water tank 7 through the water outlet hole 21, the outlet end of the water outlet pipe 19 can be connected to the rear side wall of the lower water tank 7, and the pipe hole of the outlet end of the water outlet pipe 19 covers the water outlet hole 21, so that water in the lower water tank 7 can enter from the inlet end of the water outlet pipe 19 and can be discharged from the water outlet hole 21.

In this embodiment, preferably, the on-off valve 20 includes a valve core 22 sleeved inside the water outlet hole 21, the water outlet hole 21 divides the valve core 22 into a front valve core part and a rear valve core part, a sealing part 23 is sleeved outside the front valve core part, a spring 24 is sleeved outside the rear valve core part, and a stopping part 25 for limiting the valve core 22 to move backwards is arranged behind the rear valve core part. The valve core 22 is sleeved on the inner side of the water outlet hole 21, a water passing gap exists between the valve core 22 and the water outlet hole 21, and the water outlet hole 21 divides the valve core 22 into a valve core front part and a valve core rear part; the front part of the valve core is positioned in the lower water tank 7, and a sealing part 23 is sleeved on the outer side of the valve core; the rear part of the valve core is positioned outside the lower water tank 7, and a spring 24 is sleeved on the outer side of the valve core; the rear part of the valve core is provided with a stop part 25, and the stop part 25 can be fixedly connected to the machine shell 1 and can limit the valve core 22 to move backwards. When the lower water tank 7 is drawn out forwards, the sealing part 23 will press the rear side wall of the lower water tank 7 backwards under the action of the spring 24, and water cannot pass through the gap between the valve core 22 and the water outlet hole 21, so that the water outlet end of the water outlet pipe 19 is sealed. When the lower water tank 7 is pushed back, the rear part of the valve core is propped by the butting part 25 and cannot move backwards, the valve core 22 is pushed forwards relative to the rear side wall of the lower water tank 7, and the sealing part 23 is separated from the rear side wall of the lower water tank 7, so that water can pass through a gap between the valve core 22 and the water outlet hole 21 to form a passage at the water outlet end of the water outlet pipe 19, and the normal conveying function is recovered.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. An ice making machine, includes evaporimeter, upper water tank, discharge structure, ice basket, overflow channel and lower water tank, its characterized in that:

discharge structure one end is equipped with can dismantle cup joint in the opening of ice portion, the other end is equipped with the spout that takes vertical logical groove, leads to the groove below and corresponds with the overflow passageway position.

2. An ice making machine according to claim 1, wherein: the upper end face of the ice outlet part is provided with an ice outlet and is flush with the upper end face of the opening part, and the ice outlet part is connected with the opening part in a sealing mode.

3. An ice making machine according to claim 1, wherein: the outside of spout is equipped with rail portion, and the middle part of spout is equipped with the installation ear.

4. An ice making machine according to claim 3, wherein: one side of the fence part close to the upper water tank is provided with a clamping part clamped with the overflow port.

5. An ice making machine according to claim 1, wherein: the spout sets up towards the slope of ice basket direction, and the lower surface of spout is equipped with the guide vane, and the guide vane is corresponding to the lower edge that leads to the groove.

6. An ice making machine according to claim 1, wherein: and the bottom of the ice basket is provided with an ice thawing water outlet hole, and the inner cavity of the ice basket is communicated with the overflow channel through the ice thawing water outlet hole.

7. An ice making machine according to claim 1, wherein: the evaporator is internally provided with a screw rod with adjustable rotating speed, the screw rod and the evaporator are axially overlapped, and one end of the screw rod is connected with a driving device.

8. An ice making machine according to claim 7, wherein: the driving device comprises a motor, a gear set and a gear shifting mechanism, the motor is in transmission connection with the screw rod through the gear set, and the gear shifting mechanism is connected with the gear set.

9. An ice making machine according to claim 1, wherein: the ice maker comprises an external water pipe, one end of the external water pipe is communicated with the upper water tank, and the other end of the external water pipe is communicated with the outside of the ice maker.

10. An ice making machine according to claim 9, wherein: the ice maker comprises a water pump for pressurizing water in an external water receiving pipe, and an electromagnetic valve and/or a filter are connected to one end of the external water receiving pipe communicated with the outside of the ice maker.