An ice maker

Abstract

The application provides an ice maker, which comprises a movable mold, a static mold and a controller arranged in a U-shaped support, the movable mold is driven by a driving mechanism to combine with the static mold or to separate from the static mold, the movable mold and the static mold are correspondingly provided with ice making cavities to form a complete ice making space after combination, an ice discharging mechanism is arranged in the movable mold to discharge the ice blocks remaining in the static mold, and the ice discharging mechanism is synchronously driven by the driving mechanism. The ice maker provided by the application is synchronously driven by the ice discharging mechanism through the demolding driving mechanism, so that one power component can complete two-step operations, the overall volume of the ice maker can be effectively reduced, and the energy consumption can be reduced.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of refrigeration technology, in particular to an ice maker. BACKGROUND

[0002] With the improvement of people's living standards and the change of life style, especially in hot summer, people often use ice cubes in daily diet and life, therefore, household small ice maker is more and more popular, and the refrigerator with ice maker is also a best-selling product. In the process of ice making, in the prior art, the ice maker usually includes two ice making molds which can be separated and combined, the separation or combination of the ice making molds is driven by a driving mechanism, and then the ice cubes are taken out by an ice taking-out mechanism, the driving mechanism and the ice taking-out mechanism are separated from each other and occupy two spaces in the ice maker, which results in that the overall volume of the ice maker is large and two portions of energy are consumed, which does not meet the current environmental energy requirements. SUMMARY

[0003] The main purpose of the present application is to provide an ice maker which solves the drawbacks of the prior art and synchronously drives the ice taking-out mechanism by the mold stripping driving mechanism to reduce the volume occupied by the driving mechanism and reduce energy consumption.

[0004] To achieve the above-mentioned purpose, the present application provides an ice maker, and the technical scheme is as follows:

[0005] An ice maker includes a moving mold, a static mold and a controller arranged in a U-shaped support, the moving mold is combined or separated with the static mold under the driving of a driving mechanism, after the combination, the moving mold and the static mold are correspondingly provided with ice making cavities to form a complete ice making space, and the moving mold is provided with an ice taking-out mechanism driven by the driving mechanism to take out the ice cubes retained in the static mold.

[0006] Further, the ice taking-out mechanism includes a push piece arranged in the ice making cavity of the static mold, the driving mechanism drives the moving mold to rise by a distance and then drives the push piece to take out ice.

[0007] Further, the ice taking-out mechanism further includes a turnover connecting rod sleeved with the push piece, at least one end of the turnover connecting rod is connected with the driving mechanism and is driven to turn over by the driving mechanism.

[0008] Further, the ice taking-out mechanism further includes a turnover connecting rod sleeved with the push piece, a rack is arranged on the side plate of at least one side of the U-shaped support, a gear is engaged with the teeth of the side of the rack, the end of the turnover connecting rod is fixed with the gear after penetrating through the side plate of the U-shaped support, the rack is fixed with the moving mold through a transmission rod, and the driving mechanism drives the moving mold to rise and fall at the same time, drives the rack and the gear to drive the push piece to act.

[0009] Further, the side plate is provided with a stroke limiting hole, and the transmission rod is fixed to the movable mold and moves along the stroke limiting hole after penetrating through the stroke limiting hole.

[0010] Further, the rack is provided with a transmission limiting hole, the length of the stroke limiting hole is greater than the length of the transmission limiting hole, and the transmission rod is fixed to the movable mold after penetrating through the stroke limiting hole and the transmission limiting hole in sequence.

[0011] Further, the rack is provided with a stroke limiting hole, and the transmission rod is fixed to the movable mold and moves along the stroke limiting hole after penetrating through the stroke limiting hole.

[0012] Further, the refrigeration system of the ice maker comprises an ice-making evaporator for providing cold energy for the movable mold and the static mold and a storage evaporator for providing cold energy for preventing ice blocks from melting in the ice storage box.

[0013] Further, the ice-making evaporator and the storage evaporator are connected in series or in parallel.

[0014] Further, one end of the foam air duct is communicated with the ice storage box, and the other end is communicated with the storage evaporator.

[0015] In summary, the ice maker provided by the application has the following technical advantages compared with the prior art:

[0016] The overall structure is simple, which is not only suitable for the overall structure of the ice maker provided by the application, but also suitable for the improvement of the existing ice maker, and the improvement point is small and the improvement cost is low.

[0017] When the movable mold moves a certain distance, the transmission rod drives the rack to continue to move upwards, the rack drives the gear to rotate, and the paddle starts to flip. When the rotation reaches a certain angle, the rotation is stopped, the ice blocks are pushed out of the lower mold, fall onto the slide of the inner container, roll along the slide into the ice storage box, and the demolding and ice removal are realized by one driving mechanism, which can effectively reduce the overall volume of the ice maker and reduce energy consumption.

[0018] By arranging the storage evaporator, the storage air blower, the storage evaporator and the foam air duct provide cold energy to the ice storage box, maintain the temperature in the ice storage box, and prevent the ice blocks from melting too fast.

[0019] The left and right side walls of the U-shaped support are each provided with a stroke limiting hole for limiting the upward movement distance of the upper mold, and the upper end of the rack is provided with a transmission limiting hole for transmitting power and limiting stroke. Through the two limiting holes, the upper mold is lifted by a distance before the ice is removed, preventing the rising upper mold from interfering with the ice removal.

[0020] The evaporator is directly in contact with the evaporator heat transfer aluminum block, the ice making cavity of the lower mold is embedded into the groove of the evaporator heat transfer aluminum block, direct heat conduction is realized, and the ice making efficiency is improved;

[0021] The automatic reset of the push piece is realized through the torsion of the torsion spring, and the energy consumption can be further reduced. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 : The whole structure of the ice maker provided by the present application is shown Figure 1 ;

[0023] Figure 2 : The whole structure of the ice maker provided by the present application is shown Figure 2 ;

[0024] Figure 3 : The whole structure of the ice maker provided by the present application is shown Figure 3 ;

[0025] Figure 4 : The whole structure of the ice maker provided by the present application is shown Figure 4

[0026] Figure 5 : The ice making space of the ice maker provided by the present application is shown

[0027] Figure 6 : The ice making space of the ice maker provided by the present application is shown

[0028] Figure 7 : The ice making space of the ice maker provided by the present application is shown

[0029] Figure 8 : The ice making space of the ice maker provided by the present application is shown

[0030] Figure 9: The ice making flow of the ice maker provided by the present application is shown

[0031] Figure 10 : The ice making system of the ice maker provided by the present application is shown

[0032] In the diagram: 1. Drive motor; 2. Motor bracket; 3. Drive pulley; 4. Driven pulley; 5. Belt; 6. Lead screw; 7. U-shaped bracket; 8. Balance bar; 9. Upper mold fixing component; 10. Evaporator; 11. Evaporator heat transfer aluminum block; 12. Lower mold; 13. Upper mold; 14. Insulation foam; 15. Nut; 16. Opening retaining ring; 17. Flip connecting rod; 18. Left lever; 19. Right lever; 20. Torsion spring; 21. Rack; 22. Fixing plate; 23. Gear; 24. Drive rod; 25. Bushing; 26. Water distribution plate; 27. Rubber seal; 28. Foam duct; 29. ​​Ice storage evaporator; 30. Ice storage fan; 31. Fan bracket; 32. Inner... 33. Water pump; 34. Water box; 35. Water pipe; 36. Ice storage box; 37. Drain pipe; 38. Evaporating dish; 39. Base; 40. Compressor; 41. T-connector; 42. Solenoid valve; 43. Condenser; 44. Filter; 45. Capillary tube; 46. Return pipe; 61. Limiting step; 71. Stroke limiting hole; 72. Positioning hole; 91. Balance hole; 92. Clearance hole; 131. Water inlet hole; 132. Connecting hole; 121. Flip fixing hole; 181. Semi-circular hole; 211. Transmission limiting hole; 261. Water inlet interface; 262. Water inlet funnel; 321. Slide; 322. Air outlet; 323. Air inlet; 361. Air outlet clearance hole. Detailed Implementation

[0033] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0034] An ice maker includes a moving mold, a stationary mold, and a controller disposed within a U-shaped support 7. The moving mold is engaged or disengaged from the stationary mold under the drive of a drive mechanism. After the molds are engaged, the moving mold and the stationary mold are respectively provided with ice-making cavities to form a complete ice-making space. An ice-discharging mechanism is provided inside the moving mold to disengage ice blocks that are retained in the stationary mold. The ice-discharging mechanism is synchronously driven by the drive mechanism.

[0035] like Figures 1 to 10 As shown, the ice maker provided in this embodiment includes an outer shell and an inner liner 32. Insulation material 14 is filled between the outer shell and the inner liner 32. A door is provided on the front side of the outer shell and the inner liner 32, corresponding to an ice storage box 36. After opening the door, the ice storage box 36 can be pulled out to retrieve ice, or the door is connected to the ice storage box 36, allowing the ice storage box 36 to be pulled out simultaneously with opening the door. The ice storage box 36 and the main ice-making components, such as the moving mold and the stationary mold, are arranged within the space enclosed by the inner liner 32. Figure 1As shown, a U-shaped support 7 is provided in the space. The U-shaped support 7 includes an integrally formed left side plate, right side plate and back plate. A top plate is provided on the top. The top surface of the top plate is lower than the top of the left side plate, right side plate and back plate. A front side plate is provided on the front side of the top plate. The top surface of the top plate, the front side plate and the upper part of the left side plate, right side plate and back plate form a box structure with an open top. The water inlet structure for ice making is set in the box structure. The moving mold and stationary mold for ice making are set in the space enclosed by the bottom surface of the U-shaped support 7 and the top plate.

[0036] The main ice-making components of the ice maker include an upper mold 13 and a lower mold 12. The upper mold 13 and lower mold 12 are each provided with multiple ice-making cavities. After the upper mold 13 and lower mold 12 are closed, the corresponding ice-making cavities form a sealed ice-making space. In this embodiment, the upper mold 13 is a moving mold, driven by a lifting mechanism to rise and fall linearly, either closing with the lower mold 12 to make ice or separating from it. The lower mold 12 is a stationary mold; after the upper mold 13 rises, the lower mold 12 remains stationary. An ice-discharging mechanism is provided at the lower mold 12, which causes the ice blocks retained in the lower mold 12 to detach and fall into the ice storage box. The shape of the ice-making space is determined according to the desired shape of the ice blocks. When the ice-making cavities of both the upper mold 13 and lower mold 12 are hemispherical, spherical ice can be produced. To improve the applicability of the ice maker and produce ice blocks of different shapes, upper molds 13 and lower molds 12 with different ice-making cavities can be used, such as... Figure 2 and Figure 6 As shown, in this embodiment, there are two ice-making spaces, and the ice-making cavity is a hollow hemisphere, so that two spherical ices can be obtained each time ice is made.

[0037] To facilitate the replacement of the upper mold 13 and its assembly with the lifting mechanism, the upper mold 13 and the upper mold fixing part 9 are detachably assembled. The lifting mechanism and the upper mold fixing part 9 are assembled together. Under the action of the lifting mechanism, the upper mold fixing part 9 drives the upper mold 13 to rise and fall together with the lifting mechanism, closing with the lower mold 12 to make ice or separating to remove ice. Figures 1 to 6 As shown, each hemispherical ice-making cavity of the upper mold 13 is provided with a water inlet hole 131 at the top. The upper mold fixing component is provided with a clearance hole 92 at the position corresponding to the water inlet hole 131. A water distribution plate 26 is provided on the top surface of the upper mold fixing component 9. The water inlet interface 261 of the water distribution plate 26 is connected to the water box 34 via a water pipe 35 and a water pump 33. A water inlet funnel 262 is provided on the water distribution plate 26 at the position corresponding to the water inlet hole 131. The water in the water box 24 flows through the water inlet interface 261 to the water inlet funnel 262, and then flows through the clearance hole 92 and the water inlet hole 131 into the ice-making cavity.

[0038] like Figure 3As shown, the water box 34 is fixed to the upper right end of the inner container 32 by screws, specifically, the water box 34 is fixed to the upper outside of the right side plate of the U-shaped support 7, the water outlet hole at the bottom of the water box 34 is connected to the water inlet end of the water pump 33, the water outlet end of the water pump 33 is connected to one end of the water pipe 35, the other end of the water pipe 35 is connected to the water inlet interface 261, as described above, the water in the water box 34 can flow to the ice making cavity through the water pipe 35 and the water distribution disc 26; between the water inlet hole 131 and the escape hole 92, a sealing ring can be arranged to prevent ice making water from leaking into the ice maker from the gap between the water inlet hole 131 and the escape hole 92 when water is being filled or overflowing; or the water inlet hole 131 at the top of the ice making cavity of the upper mold 13 is provided with a water inlet pipe, the water inlet pipe is inserted into the escape hole 92, the outer wall of the water inlet pipe is tightly fitted with the inner wall of the escape hole 92 and is provided with a sealing element to prevent water from flowing out of the gap between the two. The interface between the upper mold 13 and the lower mold 12 after closing has a rubber sealing element 27 to prevent water in the ice making space from overflowing from the interface after closing; adjacent ice making spaces are connected through communication holes 132, the communication holes 132 can balance the water levels between the ice making spaces to make the ice blocks have the same volume, the communication holes 132 can be arranged at the bottom of the side wall of the ice making cavity of the upper mold 13, or the communication holes 132 are arranged on the upper mold 13 and the lower mold 12.

[0039] When the water in the ice making space overflows, the overflow can be discharged through the overflow port and the overflow channel, in this embodiment, the water inlet hole 131 is also the overflow port, the water inlet hole 131 can receive water on one side and can overflow water outward through the water inlet hole 131 on the other side. The water inlet hole 131 (overflow port) is connected to the overflow channel, when overflow occurs, the overflow water flows into the overflow channel through the water inlet hole 131 at the top of the upper mold 13 and is discharged or collected. Further, as shown, Figure 3 The overflow channel includes an overflow pipe arranged at the water distribution disc 26 and a drain pipe 37, one end of the overflow pipe is connected to the water inlet hole 131, the other end of the overflow pipe is connected to the drain pipe 37, the other end of the drain pipe 37 is connected to the evaporating dish 38, the evaporating dish 38 is fixed on the base 39, the waste water (including but not limited to the overflow water generated when water is being filled) generated during the operation of the ice maker flows into the evaporating dish 38 through the drain pipe 37, the compressor 40 is fixed on the base 39 and is close to the evaporating dish 38, or the evaporating dish 38 is seated on the top of the compressor 40, the heat generated during the operation of the compressor 40 evaporates the waste water in the evaporating dish 38.

[0040] The lifting mechanism includes a transmission motor 1, as shown, Figure 1 and Figure 2As shown, the transmission motor 1 is fixed at the top plate of the U-shaped support 7 by the motor support 2, the driving pulley 3 is fixed with the motor shaft of the transmission motor 1, and one driven pulley 4 is arranged at each end of the top plate, the belt 5 is installed with the driving pulley 3 and the driven pulley 4, the driving pulley 3 and the two driven pulleys 4 tension the belt 5 into an isosceles triangle, which can effectively prevent the problem that the driven pulley 4 cannot rotate caused by the belt 5 relaxation during operation, under the action of the transmission motor 1, the driving pulley 3 drives the two driven pulleys 4 to rotate synchronously through the belt 5; the position corresponding to the driven pulley 4 on the top plate is provided with a positioning hole 72 concentric with the driven pulley 4, the lead screw 6 passes through the positioning hole 72 from bottom to top inside the U-shaped support 7, and the limiting step 61 on the top of the lead screw 6 abuts against the bottom surface of the positioning hole 72, the top of the lead screw 6 is inserted into the axial hole of the driven pulley 4 after passing through the positioning hole 72, the bottom surface of the driven pulley 4 abuts against the top surface of the positioning hole 72, and the top of the lead screw 6 is clamped with the open check ring 16 after passing through the driven pulley 4, so that the driven pulley 4 is fastened between the open check ring 16 and the top plate, the lead screw 6 is thus fixed with the top plate of the U-shaped support 7 and driven by the transmission motor 1, and the axial hole of the driven pulley 4 is provided with a limiting structure to prevent the driven pulley 4 from idling, specifically, the cross section of the axial hole and the top of the lead screw 6 (the part inserted into the axial hole after passing through the positioning hole 72) is D-shaped, such as two-thirds of a circle, the top of the lead screw 6 cooperates with the axial hole of the driven pulley 4 to limit the circumferential movement of the lead screw 6, so that the driven pulley 4 drives the lead screw 6 to rotate synchronously.

[0041] The upper die fixing piece 9 is provided with a through hole concentric with the positioning hole 72 at the position corresponding to the positioning hole 72 of the top plate, and a nut 15 is fixed at the through hole, the lead screw 6 is threadedly connected with the nut 15 and is inserted into the mounting hole on the top of the evaporator heat transfer aluminum block 11 after passing through the nut 15 and the through hole, and can rotate freely in the mounting hole. The through hole and the nut 15 are arranged at both ends of the length direction center line of the upper die fixing piece 9, and the mounting hole is arranged at both ends of the length direction center line of the evaporator heat transfer aluminum block 11, which can ensure the balance of the upper die fixing piece 9 during lifting. The transmission motor 1 drives the driven pulley 4 to rotate, thereby driving the lead screw 6 fixed with the driven pulley 4 to rotate, the lead screw 6 is threadedly connected with the nut 15, and the circumferential rotation movement of the transmission motor 1 is converted into linear lifting movement, and the upper die fixing piece 9 and the upper die 13 are lifted along the lead screw 6 by the nut 15. In order to further enable the upper die fixing piece 9 to be lifted stably without tilting, such as Figures 1 to 3As shown, each of the four corners of the upper mold fixing component 9 is provided with a balance hole 91. A balance rod 8 is fitted into the balance hole 91. The upper end of the balance rod 8 is fixed to the top plate of the U-shaped bracket 7, and the lower end is fixed to the top of the evaporator heat transfer aluminum block 11. This provides guidance, balance, and follower functions for the lifting and lowering of the upper mold fixing component 9, meaning that the upper mold fixing component 9 can be lifted and lowered along the balance rod 8 without tilting under the drive of the lead screw 6. Furthermore, the lower part of the U-shaped bracket 7, as shown... Figure 1 As shown, specifically, a connecting plate is provided on the lower inner side of the left and right side plates. Taking the left side wall as an example, the connecting plate can be L-shaped, with the vertical side wall fixed to the lower inner side of the left side plate of the U-shaped bracket 7, and the bottom of the vertical side wall being flush with or slightly higher than the bottom of the left side plate. Alternatively, the connecting plate can be integrally formed with the U-shaped bracket 7, formed by bending the bottom of the left and right side plates of the U-shaped bracket inward, upward, and then horizontally towards the inner centerline of the U-shaped bracket 7. The transverse side wall is fixed to the top surface of the evaporator heat transfer aluminum block 11, providing necessary space for the lower mold 12 to remove ice and reducing the size of the evaporator. The overall volume of the heat transfer aluminum block 11 is such that the lower end of the balance bar 8 is inserted and fixed to the transverse side wall of the connecting plate; or the bottom of the U-shaped bracket 7 is provided with a bottom frame, the transverse side wall of the connecting plate is fixed to the side of the bottom frame, the bottom of the lower mold 12 passes through the hollow part of the bottom frame and contacts the evaporator heat transfer aluminum block 11 to obtain cooling capacity, the bottom frame is connected to the U-shaped bracket 7 through the connecting plate and is snapped with the lower mold 12 or assembled and fixed in other ways, or the bottom frame and the lower mold 12 are an integral structure; furthermore, the cross-section of the evaporator heat transfer aluminum block 11 is T-shaped, and the top has sides facing left and right (e.g. Figure 1 The side wing plate extends (as shown in the diagram). The L-shaped connecting plate overlaps and is fixed to the top of the side wing plate, or overlaps and is then fixed with screws. The lower mold 12 is fixed directly or through the bottom frame to the connecting plate, or the lower mold 12 is fixed to the evaporator heat transfer aluminum block 11 through the bottom frame. In practical applications, the connection method between the connecting plate and the lower mold 12 and the evaporator heat transfer aluminum block 11, as well as the specific structural form of the connecting plate, can be determined according to structural requirements, including but not limited to L-shape or integrally formed with the left and right side plates. The connecting plate is provided with through holes. The bottom of the balance rod 8 and the lead screw 6 are connected to the connecting plate, or pass through the connecting plate and are assembled and fixed to the evaporator heat transfer aluminum block 11 (top of the side wing plate). Preferably, the bushing 25 is interference-fitted and fixed to the upper part of the evaporator heat transfer aluminum block 11 and / or the connecting plate. The lower ends of the lead screw 6 and the balance rod 8 are inserted into the bushing 25, so that the lead screw 6 can rotate smoothly and drive the upper mold 13 to rise and fall.

[0042] like Figure 2As shown, the evaporator heat transfer aluminum block 11 is fixed with the lower part of the U-shaped support 7 through the connecting plate and / or the bottom frame, the evaporator 10 is fixed at the lower part of the evaporator heat transfer aluminum block 11 and closely adheres to the evaporator heat transfer aluminum block 11, or the evaporator coil of the evaporator 10 is wound outside the evaporator heat transfer aluminum block 11, or the evaporator heat transfer aluminum block 11 is provided with transverse or longitudinal insertion holes, and the evaporator coil of the evaporator 10 sequentially passes through the insertion holes, so that the evaporator 10 is fixed with the evaporator heat transfer aluminum block 11 through insertion, and the heat conduction efficiency is improved. The top of the evaporator heat transfer aluminum block 11 is provided with a semispherical recess matched with the ice making cavity of the lower mold 12, the outer wall of the ice making cavity of the lower mold 12 is directly embedded into the semispherical recess, the contact area between the lower mold 12 and the evaporator heat transfer aluminum block 11 is increased, the ice making efficiency is improved, and the outer wall of the ice making cavity of the lower mold 12 is also made of aluminum alloy plate with high heat conduction efficiency, directly contacts with the evaporator heat transfer aluminum block 11 to realize heat conduction, and the ice making efficiency is improved. In order to prevent the cold energy of the evaporator 10 from being lost, the gap between the evaporator heat transfer aluminum block 11, the U-shaped support 7, the inner container and the ice maker shell is filled with thermal insulation foam 14.

[0043] In the embodiment, the refrigeration system of the ice maker is as shown in Figure 4 and Figure 10As shown, the output end of the compressor 40 is communicated with the inlet of the three-way connector 41, one of the two outlets of the three-way connector 41 is communicated with the input end of the condenser 43, the output end of the condenser 43 is connected in series with the filter 44 and the capillary tube 45, the other outlet is communicated with the input end of the electromagnetic valve 42, the electromagnetic valve 42 is connected in parallel with the capillary tube 45, the output end of the electromagnetic valve 42 and the capillary tube 45 are converged and communicated with the input end of the evaporator 10, the output end of the evaporator 10 is communicated with the input end of the compressor 40, forming a complete refrigeration circuit. Further, the refrigeration system for the ice maker provided by the application comprises the direct-cooling evaporator 10 and the air-cooled ice storage evaporator 29 connected in parallel, the direct-cooling evaporator 10 is the ice-making evaporator, as described above, the direct-cooling evaporator 10 provides the ice-making cold capacity for the lower mold 12 through the evaporator heat transfer aluminum block 11, the air-cooled ice storage evaporator 29 is communicated with the ice storage box 36 through the foamed air duct 28, under the action of the air-cooled ice storage fan 30, air is sent to the ice storage box 36, the air-cooled system is adopted to reduce the temperature in the ice storage box 36, the ice storage box 36 can be kept frost-free, preventing the ice blocks from melting and sticking too fast. As described above, in the embodiment, the direct-cooling evaporator 10 and the air-cooled ice storage evaporator 29 are connected in parallel and connected with the input end of the compressor 40 through the return air pipe 46, in actual application, the direct-cooling evaporator 10 and the air-cooled ice storage evaporator 29 can also be connected in series, the direct-cooling evaporator 10 is connected in series with the air-cooled ice storage evaporator 29 and the return air pipe 46, and finally returns to the compressor 40; the connection mode of the direct-cooling evaporator 10 and the air-cooled ice storage evaporator 29 is not limited and required, as long as the corresponding functions can be realized. When the direct-cooling evaporator 10 and the air-cooled ice storage evaporator 29 are connected in parallel, control valves are respectively arranged on the communication pipelines of the direct-cooling evaporator 10 and the air-cooled ice storage evaporator 29, whether the refrigerant flows through the evaporator is controlled through the control valves, so as to control the ice-making process and / or the ice storage temperature control, or the control valve is arranged on the communication pipeline of the air-cooled ice storage evaporator 29, the controller of the ice maker opens the control valve according to the preset program to send air to the ice storage box 36 at regular time, or according to the preset program, the control valve is opened according to the real-time temperature in the ice storage box 36 to send air to the ice storage box 36, preventing the ice blocks in the ice storage box 36 from melting. When the direct-cooling evaporator 10 and the air-cooled ice storage evaporator 29 are connected in series, bypass pipelines are arranged at the direct-cooling evaporator 10 and / or the air-cooled ice storage evaporator 29, and control valves are arranged on the bypass pipelines, the controller controls the opening and closing of the bypass pipelines according to the preset program, so as to realize the refrigeration control of ice-making and / or ice storage.

[0044] As Figure 3As shown, the air-cooled ice storage evaporator 29 is located at the lower left end of the inner liner 32. Specifically, the air-cooled ice storage evaporator 29 is fixed to the lower outer side of the left side plate of the U-shaped bracket 7 or to the lower left side of the inner liner 32 of the U-shaped bracket 7. The fan bracket 31 is fixed to the inner liner 32 and located above the air-cooled ice storage evaporator 29. The ice storage fan 30 is clipped onto the fan bracket 31. The foam air duct 28 is located in the space between the direct-cooling evaporator 10 and the compressor 40. The air-cooled ice storage evaporator 29 and the ice storage fan 30 are... Placed inside the evaporation chamber, the air inlet 323 is connected to the evaporation chamber (the ice storage evaporator 29 inside the evaporation chamber), and the air outlet 322 is connected to the ice storage box 36. Furthermore, the ice storage box 36 is detachably fixed to the inner liner 32, and the air outlet 322 is opened on the inner liner 32. An air outlet clearance hole 361 is opened at the position opposite to the air outlet 322 on the ice storage box 36. Under the action of the ice storage fan 30, the cold energy of the air-cooled ice storage evaporator 29 enters the ice storage box 36 through the foam air duct 28 and blows it onto the ice to prevent the ice from melting.

[0045] Furthermore, the air outlet 322 includes an air inlet and a return air outlet, and the foam air duct 28 includes an air inlet duct and a return air duct separated by a foam board. Preferably, the return air outlet and the air inlet are staggered on the rear side wall of the ice storage box 36 to prevent the low-temperature cold air from returning directly without heat exchange.

[0046] In this embodiment, the upper mold 13 is a moving mold. As described above, driven by the lifting mechanism, it moves upward after ice making and disengages from the lower mold 12. The lower mold 12 is a stationary mold and remains stationary. The ice blocks produced remain in the ice-making cavity of the lower mold 12 after the upper mold 13 rises. The ice blocks are driven out of the lower mold 12 by the ice-discharging mechanism and enter the ice storage box 36. In practical applications, the upper mold 13 can disengage from the lower mold 12 in any way under the drive mechanism. The ice-discharging mechanism includes a drive component and a lever. The lever is located in the ice-making cavity of the lower mold 12, such as... Figure 6 As shown in Figure 9, each ice-making cavity of the lower mold 12 has a slot on its inner wall, and a paddle is positioned within the slot to... Figure 6As shown in the orientation, the two ice-making cavities of the lower mold 12 are arranged left and right. Take the left ice-making cavity as an example. A clamping groove is arranged on the rear wall (the side away from the ice removal direction) of the left ice-making cavity. The left push piece 18 is arranged in the clamping groove. The depth, width and length of the clamping groove are the same as or slightly larger than the corresponding dimensions of the left push piece 18, so that the left push piece 18 can be embedded in the clamping groove. The left push piece 18 has the same structure as the inner side wall of the ice-making cavity, and the horizontal and vertical curvature radii are the same as those of the inner side wall of the ice-making cavity. After the left push piece 18 is embedded in the clamping groove, the surface of the left push piece 18 is flush with the inner wall of the ice-making cavity, forming a complete and smooth inner wall of the ice-making cavity. The small gap between the left push piece 18 and the wall of the clamping groove does not affect the shape of the ice cubes. The very thin ice pieces formed in the gap during the ice-making process fall off during the ice removal process due to the rolling and collision of the ice cubes, thereby not affecting the overall appearance of the ice cubes. Figure 6 and Figure 3 As shown in the orientation, the ice-making cavity of the lower mold 12 is semispherical, and 1 / 8 arc length ≤ the length of the left push piece 18 ≤ 3 / 8 arc length. Preferably, 1 / 8 arc length < the length of the left push piece 18 ≤ 1 / 4 arc length, and it is recommended that 3 / 16 arc length ≤ the length of the left push piece 18 ≤ 1 / 4 arc length, so that the ice cubes can be smoothly pushed out of the lower mold 12. To prevent water leakage, a clamping groove is cut on the inner wall of the ice-making cavity. The clamping groove is not a through groove, and a portion of the inner wall of the ice-making cavity is reserved. To ensure the strength of the ice-making cavity, 1 / 3 of the thickness of the inner wall of the ice-making cavity ≤ the depth of the clamping groove ≤ 1 / 2 of the thickness of the inner wall of the ice-making cavity. To avoid poor heat conduction and make the ice-making at the push piece not practical, the left push piece 18 and the ice-making cavity are made of the same material with high heat conduction efficiency, such as food-grade aluminum alloy. The aluminum alloy material can also enhance the strength of the left push piece 18, provide sufficient pushing force for the ice cubes, and further prevent the left push piece 18 from deforming. The cross section of the overall structure of the push piece is generally in the shape of “┐”. The horizontal part is overlapped with the top surface of the lower mold 12. It is recommended that the top surface of the lower mold 12 is provided with a groove for accommodating the structure. After the horizontal part is embedded in the groove, the top surface is flush with or slightly higher than the top surface of the lower mold 12, so as to avoid the horizontal part of the push piece protruding too high from the surface of the lower mold 12, affecting the mold closing of the upper mold 13 and the lower mold 12. The horizontal and vertical parts of the vertical part of the push piece have an arc structure.

[0047] The structure of the right push piece 19 and the matching of the right ice making cavity is the same as the left push piece 18, and is not described in detail. The left push piece 18 and the right push piece 19 are respectively connected with a driving member, or connected with two output shafts of the same driving member, and are driven by the driving member to drive the corresponding ice blocks out. The driving member can be an ice removal motor, and the controller controls the action of the ice removal motor to drive the action or reset of the push piece. In the embodiment, in order to reduce the cost, reduce the control program and ensure one-time ice removal, prevent any ice removal motor from failing to remove the corresponding ice block, the left push piece 18 and the right push piece 19 are connected with the same driving member, and the driving member simultaneously drives the action of the two push pieces to realize the simultaneous ice removal of the two ice making cavities. Correspondingly, the ice removal motor has double output shafts, and the left push piece 18 and the right push piece 19 are respectively fixed with the two output shafts of the ice removal motor. Further, in the embodiment, as shown in Figure 6 and Figure 7 The driving member includes a turnover connecting rod 17, which is a smooth round rod structure, and the two ends respectively pass through the through holes in the left side plate and the right side plate of the U-shaped support 7. The upper part of the left push piece 18 and the right push piece 19 is provided with a sleeve, which is connected with the turnover connecting rod 17. In order to make the turnover connecting rod smoothly drive the action of the push piece, the turnover connecting rod 17 is provided with a limiting structure at the position of the sleeve corresponding to the push piece. For example, the turnover connecting rod 17 can be cut at this position to make the turnover connecting rod 17 at this position into a D shape. Correspondingly, the center hole of the sleeve is also in the shape of D, so that after the sleeve and the turnover connecting rod 17 are connected with each other, the straight line parts corresponding to each other limit each other to prevent the turnover connecting rod 17 from idling in the sleeve.

[0048] Further, the lower mold 12 is provided with a turnover fixing hole 121 at the position corresponding to the sleeve. After the turnover connecting rod 17 sequentially passes through the turnover fixing hole 121 and the sleeve on the push piece, the turnover connecting rod 17, the push piece and the lower mold 12 are connected together. As described above, the top surface of the lower mold 13 is provided with a groove for accommodating the transverse part of the push piece. The sleeve is arranged at the rear end of the groove. When the sleeve protrudes from the top surface of the lower mold 12 without affecting the mold closing, the turnover fixing hole 121 is a through hole arranged on a protruding structure which is integrally formed with the lower mold 12 and protrudes from the top surface of the lower mold 12. The protruding structure provided with the turnover fixing hole 121 is two groups. The transverse part of each push piece and the corresponding sleeve are arranged between the turnover fixing holes 121 of one group. When the push piece and the sleeve are located in the groove and do not protrude from the surface of the lower mold 12 or the protruding part is small, the turnover fixing hole 121 is a through hole arranged on the side wall of the groove, and each through hole is in communication with the center hole of the sleeve. The turnover connecting rod 17 sequentially passes through the through hole, the sleeve, the through hole, the sleeve and the through hole from one side, and then the two push pieces and the lower mold 12 are assembled together, and the push piece is driven to move by the turnover connecting rod 17. The cross section of the turnover fixing hole 121 is circular, and correspondingly, the rod body of the turnover connecting rod 17 at this position is a cylindrical body, so that the turnover connecting rod 17 can smoothly rotate in the turnover fixing hole 121. In order to facilitate processing, the overall structure of the turnover connecting rod 17 is a D-shaped rod. The D-shaped rod can still smoothly rotate in the turnover fixing hole 121 with a circular cross section.

[0049] Further, when the turnover fixing hole 121 is a through hole arranged on the side wall of the groove, the left and right transverse movement of the push piece is limited by the side wall of the groove. When the turnover fixing hole 121 is a through hole arranged on the two groups of protruding structures, the sleeve is located between each group of protruding structures, and each sleeve is in contact with the side wall of the corresponding side protruding structure, thereby limiting the left and right transverse movement of the push piece.

[0050] In order to control the ice removal speed of the push piece and prevent the ice block from being thrown out with great force, a torsion spring 20 is sleeved on the turnover connecting rod 17. One arm of the torsion spring 20 is fixed with the push piece, and the other arm is fixed with the lower mold 12. When the turnover connecting rod 17 is driven to move, the action force of the torsion spring 20 needs to be overcome. By selecting torsion springs 20 with different parameters, the ice removal speed of the turnover connecting rod 17 and the push piece can be controlled. At the same time, the reverse resetting force of the torsion spring 20 can control the automatic resetting of the turnover connecting rod 17 without the need of power, thereby reducing the overall power consumption of the ice maker. The torsion spring 20 can be sleeved on the turnover connecting rod 17 between the two sleeves of the push piece, or on the turnover connecting rod 17 between the two groups of protruding structures. In actual application, according to the specific structure of the push piece, the sleeve, the turnover fixing hole 121, a suitable sleeving method and sleeving position of the turnover connecting rod 17 are selected without limitation and requirement. As shown in FIG. 9, the direction of the key head is a schematic diagram of the ice removal process, Figure 9-a When the push piece is located in the clamping groove corresponding to the ice making cavity and the torsion spring 12 is in a free state in the ice making state, when ice making is completed and ice removal is required,Figure 9-b and Figure 9-c The rotating connecting rod 17 rotates, simultaneously causing the paddle to rotate synchronously, extending forward (in the de-icing direction) from the slot. The bottom of the paddle lifts upward, pushing the ice block upward and forward. The center of gravity of the ice block moves upward and forward, and with the cooperation of the inner wall on the front side (in the de-icing direction) of the ice-making chamber, as... Figure 9-d The center of gravity of the ice block moves to the top front side of the ice-making lower mold 12. The paddle continues to move upward, which can push the ice block to fall out. The paddle and the flipping connecting rod 17 press the torsion spring 20 while flipping. When the flipping connecting rod 17 removes the power, the torque of the torsion spring 20 causes the flipping connecting rod 17 to rotate, which simultaneously drives the left paddle 18 and the right paddle 19 to reset and return to the slot.

[0051] The two ends of the flip-up connecting rod 17 extend out from the left and right side plates of the U-shaped bracket 7. At least on the outer side of one side plate of the U-shaped bracket 7, a power component is fixed to the flip-up connecting rod 17 and can drive its rotation. The power component 17 can be a motor, and the flip-up connecting rod 17 is connected to the output shaft of the motor, allowing the motor to drive the flip-up connecting rod 17 to rotate in a directional and quantitative manner. In this embodiment, to reduce power consumption and energy consumption, the flip-up connecting rod 17 is driven by a transmission motor 1. When the transmission motor drives the upper mold fixing member 9 and the upper mold 13 to rise and fall, it simultaneously drives the flip-up connecting rod 17 to move, thereby driving the paddle to move, realizing the de-icing and resetting of the paddle. Figure 6 As shown in Figure 9, in this embodiment, the end of the flip connecting rod 17 passes through the side plate of the U-shaped bracket 7 and is inserted into the central hole of the gear 23. Similarly, the cross-section of the central hole of the gear 23 and the end of the flip connecting rod 17 are both D-shaped. When the gear 23 rotates, it drives the flip connecting rod 17 and the paddle to rotate synchronously, which can effectively prevent the gear 23 from spinning freely. In practical applications, other anti-free-spinning structures can also be used to achieve an anti-free-spinning connection between the gear 23 and the flip connecting rod 17. For example... Figure 8As shown, one end of the fixed plate 22 is fixed to the outer side of the side plate of the U-shaped support 7, and the other end forms a slot with the side plate of the U-shaped support 7. For example, the fixed plate 22 is in the shape of "Z", which includes two horizontal plates connected by a middle connecting plate, one of which is fixed to the U-shaped support 7, and the other of which forms a U-shaped slot with the side plate of the U-shaped support. Alternatively, the fixed plate 22 is in the shape of "N", and the horizontal bending plate at the bottom of the two vertical supporting arms is fixed to the side plate of the U-shaped support, so that the fixed plate 22 and the U-shaped support form a "mouth" shaped slot with an open top and a long bottom. The rack 21 is inserted into the slot, and the rack 21 is pressed against the outer side of the side plate of the U-shaped support 7 by the fixed plate 22 to prevent the rack 21 from moving horizontally and to allow the rack 21 to move up and down along the slot. The side of the rack 21 facing the gear 23 is provided with teeth, and the gear 23 is engaged with the rack 21 through the teeth. The side plate of the U-shaped support 7 is provided with a stroke limiting hole 71, and the upper part of the rack 21 is provided with a transmission limiting hole 211. The transmission rod 24 is in the shape of T, and the vertical rod body sequentially passes through the transmission limiting hole 211 and the stroke limiting hole 71, and is then inserted into the side hole of the upper mold fixing part 9. The rack 21 is fixedly connected to the upper mold fixing part 9 through the transmission rod 24, and the upper mold fixing part 9 drives the upper part. The bottom surface of the horizontal limiting rod is pressed against the side wall of the rack 21, and the vertical part is fixedly connected to the upper mold fixing part 9. The rack 21 is assembled at the stroke limiting hole 71 of the side of the U-shaped support 7, so that the stroke limiting hole 71 and the transmission limiting hole 211 are communicated, and both are rectangular long holes with semicircular arcs at both ends. The horizontal width of the long hole is greater than or equal to the diameter of the rod body, so that the transmission rod 24 can move up and down along the long hole. When the upper mold fixing part 9 rises, the transmission rod 24 is driven to rise along the communicated part of the stroke limiting hole 71 and the transmission limiting hole 211. The length of the stroke limiting hole 71 is greater than the length of the transmission limiting hole 211. When it rises to the upper limit position of the transmission limiting hole 211, the rack 21 continues to rise under the action of the transmission motor 1 until it reaches the lower limit position of the stroke limiting hole 71. In the process of continuous rising of the rack 21, the teeth on the side of the rack 21 drive the gear 23 to rotate, and the gear 23 drives the overturning connecting rod 17 to rotate, thereby driving the paddle to move forward and upward to realize ice removal. The length of the stroke limiting hole 71 is greater than the length of the transmission limiting hole 211, and the length difference between them is the distance that the rack 21 can move along the stroke limiting hole 71, which is also the maximum action amplitude of the paddle. The distance that the transmission rod 24 can move in the transmission limiting hole 211 (the distance from the lower limit position to the upper limit position) is the distance between the upper mold 13 and the lower mold, which is greater than or equal to the radius of the ice making space. After the upper mold 3 rises to a distance greater than the radius of the ice making space, the ice removal mechanism removes the ice blocks in the lower mold 13 to prevent the rising upper mold 13 from interfering with the ice removal process. When the transmission motor 1 reverses, the rack 21 is driven to move downward when the transmission rod 24 moves to the lower limit of the transmission limiting hole 211, and the paddle is simultaneously driven to reverse. When the transmission rod 21 moves to the lower limit of the stroke limiting hole 211, the rack 21 stops moving, and the paddle is completely reset at this time.

[0052] In the embodiment, the transmission rod 24 is inserted and fixed with the upper mold fixing part 9, and the turnover connecting rod 17 is driven to act by the transmission motor 1. In actual application, the transmission rod 24 can be directly or indirectly fixed with the output shaft of the transmission motor 1, and the paddle is driven to act by the transmission motor 1 through the transmission rod 24, the rack 21, the gear 23 and the turnover connecting rod 17. After the ice is removed, the transmission rod 24 can be driven to act reversely by the transmission motor 1 as described above, and is moved downward to drive the paddle to reset. Or, the transmission motor 1 stops power output, the paddle is reset under the reverse reset force of the torsional spring 20, the turnover connecting rod 17 is reversely turned over, the gear 23 and the rack 21 are reversely actuated by the turnover connecting rod 17, and the transmission rod 24 and the upper mold 13 and the upper mold fixing part 9 are moved downward to reset. In actual application, a stroke limiting hole 71 is arranged on one side plate of the U-shaped support, the transmission rod 24 passes through the stroke limiting hole 71, and then the rack 21 is directly fixed with the upper mold fixing part 9. The transmission motor 1 drives the rack 21 to ascend and descend. The rack 21 is provided with a straight section on the side, and the gear teeth are arranged below the straight section. In the initial ascending process of the rack 21, the upper mold 13 is separated from the lower mold 12, the gear 23 is opposite to the straight section, and the gear 23 does not rotate. When the lower mold 12 runs to a height greater than or equal to the radius of the ice making space, the rack ascends to the gear teeth opposite to the gear, the gear 23 is engaged with the gear teeth, and the rack 21 drives the gear 23, the turnover connecting rod 17 and the paddle to act under the driving of the transmission motor. The above is only an example of the structure mode of the paddle driven to act by the transmission motor 1. In actual application, the structure of the paddle driven to act after the upper mold 13 is driven to ascend by the transmission motor 1 to a certain distance to realize the ice removing operation is suitable for the structure scheme of the ice maker, and the specific structure described above is not a limitation on the application.

[0053] The ice removing detection sensor is arranged on the inner container below the lower mold 12 or the side wall of the ice storage box 36 in the ice entering direction and corresponds to the position of each ice making cavity. When the lower mold 12 is removed, whether the ice block passes is detected, and the detection result is sent to the controller. If the ice block passing signal is not detected, the controller controls the transmission motor 1 to act reversely, the paddle returns to the original position, the upper mold 13 and the lower mold 12 are combined again, water injection is stopped again to make ice, the transmission motor 1 is driven to act again, the upper mold 13 is driven to ascend, the paddle is driven to move forward and upward again, and the ice removing action is performed again. After repeated a predetermined number of times, if the correct ice removing is still not detected, an alarm is sent. The ice removing detection sensor is multiple, is distributed at different positions of the inner container and / or the ice storage box 36 and corresponds to each ice making cavity respectively to detect whether the ice making cavity is successfully removed and sends the detection result to the controller respectively.

[0054] The ice shedding detection sensor can be an infrared sensor including a transmitter and a receiver. The transmitter emits infrared rays, which are reflected by obstacles and received by the receiver. The distance measuring function of the infrared sensor or the time difference between signal transmission and reception can be used to determine whether the ice shedding is successful. In actual use, the ice shedding detection sensor starts working when the controller issues an ice shedding instruction. The ice shedding detection sensor sends infrared rays. When ice blocks fall off, the infrared rays are blocked by the ice blocks and reflected, and the receiver receives the reflected infrared rays. The time difference between signal transmission and reception is sent to the controller. The time difference is compared with the preset time difference data in the controller. When the time difference exceeds the preset time, it is determined that the ice shedding fails. Or the time between signal transmission and reception is sent to the controller and converted into a distance, which is compared with the pre-stored distance data to determine whether the ice shedding is successful. Each ice shedding detection sensor corresponds to different ice making cavities and has different positions on the inner container, and the corresponding preset time / distance is different. The ice shedding detection sensor and the water level sensor are combined to comprehensively determine whether the ice shedding is successful, thereby improving the success rate of determination.

[0055] In practical application, under normal circumstances, the upper die 12 and the lower die 13 are in the closed die state, the user selects the "ice making" button on the control panel of the ice maker, the water pump 33 is powered on, the water in the water box 34 enters the water distribution disc 26 through the bottom water outlet hole, the water pipe 35 and the water inlet interface 261, and then enters the ice making space through the water inlet funnel 262, the avoiding hole 92 and the water inlet hole 131, and the water inlet amount is controlled according to the predetermined program such as the water inlet time and the flow rate, when the water inlet amount reaches the standard, the water pump 22 stops working and no longer supplies water, and the communication hole 132 balances the water amount between the two ice making spaces. It needs to be explained that when the water is injected, the horizontal surface is a certain distance away from the top of the spherical ice making space, the distance between the horizontal surface and the top of the ice making space is determined according to the expansion coefficient of water in the process of ice formation and the diameter of the spherical ice making space, so that the ice blocks obtained are complete spherical shapes and no water overflow occurs; after the water injection is completed, the direct cooling evaporator 10 starts to cool, the ice making cavities of the upper die 12 and the lower die 13 are cooled at the same time, and ice making starts; when the ice making is completed, the electromagnetic valve 42 is turned on, part of the refrigerant does not flow through the condenser 43 but directly enters the direct cooling evaporator 10, the direct cooling evaporator 10 starts to heat, at this time, the refrigerant can be controlled not to flow through the air-cooled ice storage evaporator 29, so as to avoid blowing heat into the ice storage box 36, and the direct cooling evaporator 10 transmits heat to the evaporator heat transfer aluminum block 11, the lower die 12 and the upper die 13, so that the surface of the ice block is slightly melted; after a predetermined time, the transmission motor 1 drives the driving pulley 3, the belt 5, the driven pulley 4, the two left and right lead screws 6, the upper die fixing part 9 and the upper die 13 to rotate synchronously, the upper die fixing part 9 drives the transmission rod 24 to move upwards along the lower limit position of the transmission limiting hole 211, at this time, the upper die 13 rises and is separated from the lower die 12, the transmission rod 24 moves upwards along the transmission limiting hole and does not drive the rack 21 to move, the gear 23, the turnover connecting rod 17 and the push piece are all not in action; when the transmission rod 24 rises to the top of the transmission limiting hole 211, the transmission rod 24 drives the rack 21 to move upwards, the gear 23 starts to rotate, the gear 23 drives the turnover connecting rod 17, the left push piece 18 and the right push piece 19 to start to turn over, at this time, the spring 20 starts to be stressed; the transmission rod 24 continues to rise with the upper die 13 and the upper die fixing part 9, the left push piece 18 and the right push piece 19 continue to turn over, when the transmission rod 24 rises to the top of the stroke limiting hole 71, the rising stops, the upper die 13 stops rising, and the left push piece 18 and the right push piece 19 stop turning over, in the process of turning over of the left push piece 18 and the right push piece 19, the ice blocks are pulled out of the lower die step by step, the ice block extraction process is shown in the foregoing and FIG. 9, the ice blocks fall onto the slide 321 at the front end of the inner container 32 and roll into the ice storage box 36, one end of the slide 321 is connected with the lower die 12, and the other end is connected with the ice storage box 36.To prevent the ice cubes in the ice storage box 36 from melting too fast, when the ice drop detector detects that ice cubes have dropped into the ice storage box 36, the controller controls the air-cooled ice storage evaporator 29 to be turned on, and refrigeration is started, the ice storage fan 30 blows the cold energy on the surface of the ice storage evaporator 29 to the ice cubes in the ice storage box 36 through the foam air duct 28, to prevent the ice cubes from melting; after the ice dropping is completed, the mold needs to be closed again, the transmission motor 1 is reversely rotated, the upper mold fixing piece 9 and the upper mold 13 start to descend, the transmission rod 24 is driven to descend, the rack 23 is lowered, the torsion of the spring 20 and the driving of the rotation of the gear 23 make the left and right pushers 18 and 19 start to rotate, when the left and right pushers 18 and 19 rotate to the initial position, the rack 21 stops descending, the transmission rod 24 continues to descend to the lower limit of the transmission limiting hole, when the upper mold 13 and the lower mold 12 are closed, the transmission rod 24 stops descending, and thus a cycle of operation is completed, and water can be injected again to make ice.

[0056] It should be noted that the gear and rack transmission mechanism and the screw rod and nut power transmission mechanism are two groups, one group on the left and one group on the right, which can also be multiple groups of mechanisms, and the number is not limited, and at least one is arranged on one side plate of the U-shaped support 7.

[0057] Compared with the prior art, the ice maker provided by the application has the following technical advantages:

[0058] The overall structure is simple, which is not only suitable for the overall structure of the ice maker provided by the application, but also suitable for improving the existing ice maker, and the improvement point is small and the improvement cost is low.

[0059] The transmission motor drives the pulley to start rotating, the screw rod rotates, the upper mold seat drives the upper mold to move upwards, when moving a certain distance, the transmission rod drives the rack to continue moving upwards, the rack drives the gear to rotate, and the pusher starts to flip, when rotating to a certain angle, the rotation is stopped, the ice cubes are pushed out of the lower mold, fall onto the slide of the inner container, roll along the slide into the ice storage box, and the demolding and ice dropping are realized by one driving mechanism, which can effectively reduce the overall volume of the ice maker and reduce energy consumption.

[0060] The ice storage evaporator is arranged, cold energy is provided to the ice storage box by the ice storage fan, the ice storage evaporator and the foam air duct, the temperature in the ice storage box is maintained, and the ice cubes are prevented from melting too fast.

[0061] The U-shaped support has one travel limiting hole on each of the left and right side walls, which is used to limit the distance of upward movement of the upper mold, and the upper end of the rack has a transmission limiting hole, which is used to transmit power and limit the travel, so that the upper mold is prevented from interfering with the ice dropping after the upper mold is lifted by a distance.

[0062] The evaporator directly contacts the evaporator heat transfer aluminum block, the ice making cavity of the lower mold is embedded into the groove of the evaporator heat transfer aluminum block, direct heat conduction is realized, and the ice making efficiency is improved.

[0063] The automatic reset of the push piece by the torsion of the torsion spring can further reduce energy consumption.

[0064] As described above, similar technical solutions can be derived in combination with the given solution content. Any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present application, which does not deviate from the content of the technical solution of the present application, still belongs to the scope of the technical solution of the present application.

Claims

1. An ice maker comprising a moving mold, a static mold and a controller arranged in a U-shaped support, the moving mold is driven by a driving mechanism to combine with the static mold or to separate from the static mold, after combining, the moving mold and the static mold are correspondingly provided with an ice making cavity to form a complete ice making space, characterized in that: The movable mold is provided with an ice ejection mechanism driven by the driving mechanism to eject the ice blocks remaining in the static mold; The ice ejection mechanism comprises a poking piece and a turnover connecting rod arranged in the ice making cavity of the static mold; The static mold ice making cavity is provided with a clamping groove, and the surface of the poking piece is flush with the inner wall of the ice making cavity after the poking piece is embedded in the clamping groove in the ice making state; The poking piece is connected with the turnover connecting rod in a sleeved manner; At least one end of the turnover connecting rod is connected with the driving mechanism, and after the ice making is completed, the driving mechanism drives the movable mold to rise by a distance and then drives the turnover connecting rod to act, thereby driving the poking piece to eject ice; A rack is arranged on the side plate of at least one side of the U-shaped support, a gear is engaged with the teeth on the side of the rack, the end of the turnover connecting rod passes through the side plate of the U-shaped support and is fixed with the gear, the rack is fixed with the movable mold through a transmission rod, and the driving mechanism drives the movable mold to rise and fall at the same time, drives the rack and the gear to drive the poking piece to act; The side plate is provided with a stroke limiting hole, the transmission rod passes through the stroke limiting hole and is fixed with the movable mold, and moves along the stroke limiting hole; The rack is correspondingly provided with a transmission limiting hole, the length of the stroke limiting hole is greater than the length of the transmission limiting hole, the transmission rod sequentially passes through the stroke limiting hole and the transmission limiting hole and is fixed with the movable mold, the driving mechanism drives the movable mold to rise to the upper limit position of the transmission limiting hole and drives the rack to rise to the upper limit position of the stroke limiting hole; or the side of the rack is provided with a flat section, the teeth are arranged below the flat section, and the gear is opposite to the flat section.

2. An ice maker as claimed in claim 1 wherein: The refrigeration system of the ice maker comprises an ice making evaporator for providing cold energy for ice making of the movable mold and the static mold and a storage ice evaporator for providing cold energy for preventing ice blocks from melting in the storage ice box.

3. An ice maker as claimed in claim 2 wherein: The ice making evaporator and the storage ice evaporator are connected in series or in parallel.

4. An ice maker as claimed in claim 3 wherein: One end of the foam air duct communicates with the storage ice box, and the other end communicates with the storage ice evaporator.

Images