CN100458320C - Ice cracking device for refrigerator - Google Patents

Abstract

The ice cracking device for refrigerator includes ice block container inside the freezing chamber, ice delivering screw, the first ice cracking unit downstream the ice block container to crush ice block, and the second ice cracking unit downstream the first ice cracking unit to further crush crushed ice block into fine ice block. The ice cracking device of the present invention can provide the user with ice block in proper size conveniently.

Description

Ice crushing device for refrigerator

technical field

The invention relates to an ice crushing device, in particular to an ice crushing device for a refrigerator which can provide ice cubes crushed into appropriate sizes and is convenient for users to use.

Background technique

A refrigerator is usually equipped with at least one cooling chamber that can freeze or refrigerate food and a refrigeration system. Refrigerators recently launched on the market are also equipped with a dispenser that can take out cold water or ice cubes without opening the refrigerator door. Fig. 1 is a three-dimensional structure diagram of a refrigerator in the prior art. Fig. 2 is a sectional view of the ice crushing device along line II-II in Fig. 1 . As shown in Fig. 1 and Fig. 2, the refrigerator of this prior art is provided with the casing 11 that freezer compartment 21 and refrigerating compartment 31 are respectively arranged on its left and right sides by the clapboard that is arranged in vertical direction and can open or close respectively. The freezer compartment 21 and the refrigerator compartment 31 are provided with the freezer compartment door 23 and the refrigerator compartment door 33 on the casing 11 . An automatic ice maker 25 that can automatically make ice is provided on the inner upper side of the freezer compartment 21, and an ice storage container that can collect and store ice cubes falling from the automatic ice maker 25 is provided on the lower side of the automatic ice maker 25. 41. The inner lower side of the refrigerator compartment 31 is provided with a water tank 35 that can refrigerate water, and the rear side of the casing 11 is provided with a water supply pipe 37 that can provide water for the automatic ice maker 25 and the water tank 35, and on the water supply pipe 37 A water supply valve 38 that can switch the water supply pipe 37 is provided. A filter 36 is provided on the downstream side of the water supply valve 38 along the flow direction of the water, and a switching valve 39 that can adjust the flow direction of the water flowing to the automatic ice maker 25 or the water tank 35 is provided downstream of the filter 36 . The freezer compartment 21 is provided with a dispenser 27 that can take out ice cubes in the ice storage container 41 and water in the water tank 35 without opening the freezer compartment door 23 and the refrigerator compartment door 33 . In addition, along the front and rear direction of the casing 11, a crushed ice chamber 42 that can crush the ice cubes processed by the automatic ice maker 25 into smaller ice cubes is provided at the front end of the ice storage container 41, and at the front end of the crushed ice chamber 42 The lower end is inclined downward to be provided with the groove that can lead out ice cube by distributor 27. The inside of the ice storage container 41 is provided with an ice delivery screw 44 that can rotate the stored ice cubes to the crushed ice chamber 42, and at the rear of the ice storage container 41 is provided with a screw that can rotate the ice delivery screw 44 The motor 46 is driven. The ice delivery screw 44 is a spiral structure, and its front end is provided with a guide 47 integrally formed with it and equipped with a spiral blade inside. A rotating shaft 48 integrated with the ice delivery screw 44 is formed at the center of the guide 47 , and the rotating shaft 48 extends to the inside of the ice crushing chamber 42 along the axis direction. The interior of the crushed ice chamber 42 is provided with a plurality of rotary cutters 51 that are integrated with the rotating shaft 48 and can rotate, while the lower side of the crushed ice chamber 42 is provided with a certain distance from the rotary cutters 51 along the axial direction. Cutter 53 is fixed. The lower end of the fixed cutter 53 is provided with a position where the ice cubes delivered to the interior of the crushed ice chamber 42 can be guided to the crushed ice position of the fixed cutter 53 and an open position where the ice cubes in the crushed ice chamber 42 can fall into the groove. Interchangeable blocking plate 55. But, as mentioned above, since this prior art ice crushing device for refrigerators is provided with the rotary cutters 51 separated by a certain distance along the axial direction of the rotating shaft 48, and the rotary cutters 51 are separated by a certain distance. Fix the cutter 53, so that it can only directly lead out the block ice made by the automatic ice maker 25 or output ice cubes with a certain size, such as about 10mm in size, but cannot provide ice cubes that are as small as ice chips.

Contents of the invention

In order to solve the above problems, the object of the present invention is to provide an ice crushing device for a refrigerator that can provide users with ice cubes that are crushed into appropriate sizes, thereby being convenient for users to use.

In order to achieve the above object, the ice crushing device for a refrigerator provided by the present invention includes an ice storage container, an ice delivery screw, a first ice crushing device and a second ice crushing device; wherein the ice storage container is arranged inside the freezer and is used for storing ice block; the ice delivery screw is located inside the ice storage container and can send out ice cubes in a rotating manner; the first ice crushing device is arranged downstream of the ice storage container along the ice delivery direction of the ice delivery screw, and crushes the sent ice cubes into small ice cubes; the second ice crushing device is arranged downstream of the first ice crushing device along the ice delivery direction, and breaks the small ice cubes processed by the first ice crushing device into tiny ice cubes; the first crushed ice The device includes a first crushed ice chamber, several pairs of first rotary cutters, several first fixed cutters and a first blocking plate; wherein the first crushed ice chamber is set on the side of the ice storage container; several pairs of first rotary cutters The device is located inside the first crushed ice chamber, and is integrated with the first rotating shaft that is located at the front end of the ice-feeding screw and extends to the inside of the first crushed ice chamber, so it can rotate together with the ice-feeding screw; several pairs of the first rotation There are several first fixed cutters with one end fixed inside the first ice crushing chamber and one end connected to the first rotating shaft at a distance between the cutters, so that they can move relative to the first rotating shaft; 1 The blocking plate is arranged outside the radius of rotation of the first rotary cutter, which can guide the ice cubes sent by the ice feeding screw to the ice crushing position on the first fixed cutter and make the ice cubes sent by the ice feeding screw fall. switch between open positions; the second ice crushing device includes a second ice crushing chamber, several pairs of second rotary cutters, several second fixed cutters and a second blocking plate; wherein the second ice crushing chamber is set Under the first ice crushing chamber; several pairs of second rotary cutters are arranged inside the second ice crushing chamber, and can rotate around the second rotating shaft parallel to the first rotating shaft of the first rotating cutter; Several pairs of second rotary cutters are respectively provided with a distance between one end fixed inside the second ice crushing chamber and one end connected to the second rotating shaft, so that several second rotating cutters can move relative to the second rotating shaft. The cutter is fixed; the second blocking plate is arranged outside the rotation radius of the second rotating cutter, and can be switched between the crushing ice position and the open position.

The second ice crushing device further includes a cutter drive motor for driving the second rotary cutter.

The second ice crushing device further includes a solenoid valve capable of rotating the second blocking plate to be at the ice crushing position or the open position.

The rotation directions of the first blocking plate and the second blocking plate are opposite when turning to the open position.

The ice crushing device for a refrigerator provided by the present invention uses the ice storage container arranged inside the freezer compartment and the ice delivery screw which is located inside the ice storage container and can move the ice cubes during rotation to send the above-mentioned ice cubes to two vertical directions. In the arranged first ice crushing device and the second ice crushing device, it is possible to provide the user with ice cubes crushed into appropriate sizes, thereby facilitating the use of the user.

Description of drawings

The ice crushing device for refrigerators of the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

Fig. 1 is a three-dimensional structure diagram of a refrigerator in the prior art.

Fig. 2 is a sectional view of the ice crushing device along line II-II in Fig. 1 .

Fig. 3 is a cross-sectional view of the longitudinal structure of an embodiment of the ice crushing device for refrigerators provided by the present invention.

Fig. 4 is an enlarged view of the structure of the upper main part in Fig. 3 .

Fig. 5 is a schematic view of the structure of the ice crushing device for the refrigerator viewed from the front of Fig. 4 .

Fig. 6 is an enlarged view of the structure of the lower main part in Fig. 3 .

7 to 9 are schematic views of the ice crushing process of the ice crushing device for the refrigerator in FIG. 3 .

Figure number:

61: Ice storage container 63: Ice delivery screw

64: Screw drive motor 65: No. 1 ice crushing device

68: No. 1 crushing ice room 69: No. 1 fixed cutter

70: 1st rotary cutter 71: 1st blocking plate

75: No. 1 solenoid valve 85: No. 2 ice crushing device

88: The 2nd ice crushing chamber 89: The 2nd fixed cutter

90: The second rotary cutter 91: The second blocking plate

92: Cutter drive motor 95: Second solenoid valve

Detailed ways

In the description, the same symbols are used for the same components as in the prior art, and no detailed description is given. As shown in Figures 3 to 9, the ice crushing device for a refrigerator provided by the present invention includes: an ice storage container 61 which is arranged inside the freezing chamber 21 and can store ice cubes 62a; The ice delivery screw 63 of ice cube 62a; Be arranged on the side of ice storage container 61, can break the ice cube 62a sent out by ice delivery screw 63 into the first ice crushing device 65 with the small ice cube 62b of certain size; And be arranged on The lower side of the first ice crushing device 65 is a second ice crushing device 85 that can crush the small ice cubes 62b processed by the first ice crushing device 65 into tiny ice cubes 62c. The inner upper side of the freezer compartment 21 is provided with an automatic ice maker 25 that can make ice cubes 62a, and the lower end of the automatic ice maker 25 is provided with an ice cube 62a that can collect and store the ice cubes 62a falling from the automatic ice maker 25 along the front and rear direction. The ice storage container 61. The inside of the ice storage container 61 is provided with a helical ice delivery screw 63 that can deliver ice cubes 62a stored therein, and a screw drive motor 64 that can rotate the ice delivery screw 63 is provided at the rear side of the ice storage container 61 . The front end of the ice delivery screw 63 is provided with a guide 67 equipped with a helical blade, and on the axis of the guide 67 is provided with a first rotating shaft 66 that can rotate together with the ice delivery screw 63 . The first crushed ice device 65 includes: a first crushed ice chamber 68 arranged on the side of the ice storage container 61 with an open bottom; a first fixed cutter 69 fixed inside the first crushed ice chamber 68; The first rotating shaft 66 inside the first crushed ice chamber 68 forms an integral and rotatable first rotary cutter 70; The ice cube 62a inside 68 is led to the first blocking plate 71 that switches between the crushed ice position on the first fixed cutter 69 and the open position that allows the ice cube 62a to fall. Along the radial direction of the first rotating shaft 66, several pairs of the first rotating cutter 70 with a certain distance in the longitudinal direction of the rotating shaft 66 and a phase difference of 180 degrees are arranged in the rotating direction. 70 are respectively provided with a first fixed cutter 69 whose end is combined with the first rotating shaft 66 so as to be able to move relative to the first rotating shaft 66 . The side of the 1st blocking plate 71 is provided with the control rod 73 that can make the 1st blocking plate 71 switch between the crushing ice position and the open position, and the other end of the control rod 73 is arranged on the side of the screw drive motor 64, so as to Make it can carry out relative movement with the first electromagnetic valve 75 of rotation control lever 73. The second ice crushing device 85 includes: a second ice crushing chamber 88 which is located below the first ice crushing chamber 68, allows the ice cubes 62b processed by the first ice crushing device 65 to fall into the interior, and has an open top and bottom; The second rotary cutter 90 that can rotate around the second rotating shaft 86 that is arranged in the inside of the second crushing ice chamber 88 and is parallel to the first rotating shaft 66; Between the 2nd rotary cutter 90, the 2nd fixed cutter 89 that can make its one end rotate relative to the 2nd rotating shaft 86 thus; The ice cube 62b that the ice device 65 falls leads to the ice crushing position on the 2nd fixed cutter 89 and can make the ice cube 62b that falls from the first ice crushing device 65 fall into the open position in the slot 26 and switch between the second position. Blocking plate 91 . Along the axial direction of the second rotating shaft 86, several pairs of the second rotary cutters 90 are arranged at a certain distance, and one end of the rotating cutters can rotate along the radial direction of the second rotating shaft 86, and has a rotation direction of 180 degrees. Phase difference. According to the size of the small ice cubes 62c that finally need to be crushed, the 2nd fixed cutter 89 is respectively fixed between the 2nd rotary cutters 90 along the axial direction of the 2nd rotating shaft 86, and on the side of the 2nd crushed ice chamber 88 A cutter driving motor 92 capable of rotating the second rotary cutter 90 is provided. The second blocking plate 91 can rotate in the direction opposite to the first blocking plate 71 around the rotating shaft parallel to the rotating shaft of the first blocking plate 71, and is positioned on the side surface of the second blocking plate 91. A control rod 93 that can rotate the second blocking plate 91 is provided on the top. The side of the control rod 93 is provided with a solenoid valve 95 that can rotate the control rod 93 to enable relative movement. Based on the above structure, when the ice cube 62a needs to be drawn out, as shown in Figure 7, a controller not shown in the figure is used to control the first electromagnetic valve 75, so that the first blocking plate 71 is rotated to the open position, and at the same time the The screw drives the motor 64 to rotate the ice delivery screw 63 . When the ice delivery screw 63 starts to rotate, the ice cubes 62a stored in the ice storage container 61 will move to the first crushed ice compartment 68 under the action of the ice delivery screw 63, and flow into the first crushed ice compartment under the action of the guide 67. The interior of ice room 68. After the inflowing ice cubes 62a fall, they are led out to the distributor 27 through the groove 26 . When it is necessary to draw out the small ice cubes 62b, as shown in Figure 8, the controller is used to control the first solenoid valve 75 so that the first blocking plate 71 is in the crushing ice position, and at the same time control the second solenoid valve 95 so that the first 2 The blocking plate 91 is in the open position. When the ice delivery screw 63 starts to rotate, the ice cubes 62a in the ice storage container 61 will flow into the first ice crushing chamber 68, and the inflowing ice cubes 62a will be guided to the first fixed cutter 69 by the first blocking plate 71 superior. At this time, the first rotary cutter 70 can disintegrate the ice cubes 62a on the first fixed cutter 69 and the first blocking plate 71 into ice cubes 62b of a certain size during the rotation process, and the ice cubes after processing 62b will fall in the groove 26 through the 2nd crushed ice chamber 88, and finally draw on the distributor 27. And when it is necessary to draw tiny ice cubes 62c of the same size as ice chips, as shown in Figure 9, the controller can be used to make the first blocking plate 71 and the second blocking plate 91 respectively in the crushed ice position, and simultaneously drive The screw drives the motor 64 so that the ice delivery screw 63 starts to rotate. The ice cubes 62a sent out are first broken into small ice cubes 62b in the first ice crushing device 65, and then fall into the second crushed ice chamber 88, and the fallen small ice cubes 62b are guided to the second fixed ice by the second blocking plate 91. Cutter 89 on. At this moment, utilize controller to control cutter drive motor 92, so that the 2nd rotary cutter 90 rotates, and the small ice cube 62b on the 2nd fixed cutter 89 and the 2nd blocking plate 91 will be cut in the 2nd rotation. Under the rotation of the device 90, it is broken into tiny ice cubes 62c, which are finally drawn out of the refrigerator through the groove 26.

Claims (4)

1. An ice crushing device for a refrigerator, the ice crushing device for a refrigerator includes an ice storage container (61), an ice delivery screw (63), a first ice crushing device (65) and a second ice crushing device (85) ; wherein the ice storage container (61) is arranged inside the freezer compartment (21) and is used to store ice cubes (62a); the ice delivery screw (63) is located inside the ice storage container (61) and can send out ice in a rotating manner block (62a); the first ice crushing device (65) is arranged downstream of the ice storage container (61) along the ice delivery direction of the ice delivery screw (63), and breaks the sent ice cubes (62a) into small ice cubes (62b); the 2nd ice crushing device (85) is arranged on the downstream of the 1st ice crushing device (65) along the ice delivery direction, and the small ice cubes (62b) processed by the 1st ice crushing device (65) are broken into Tiny ice cubes (62c); it is characterized in that: the first crushing ice device (65) includes a first crushing ice chamber (68), several pairs of first rotary cutters (70), several first fixed cutters (69) and the first blocking plate (71); wherein the first crushed ice chamber (68) is arranged on the side of the ice storage container (61); several pairs of the first rotary cutter (70) are located in the first crushed ice chamber ( 68), and is integrated with the first rotating shaft (66) which is located at the front end of the ice delivery screw (63) and extends to the inside of the first ice crushing chamber (68), so it can be combined with the ice delivery screw (63) Rotate; several pairs of the first rotary cutters (70) are spaced apart, one end is fixed inside the first crushed ice chamber (68), and the other end is combined on the first rotating shaft (66), thus it can be connected with the first 1. Several first fixed cutters (69) for relative movement of the rotating shaft (66); the first blocking plate (71) is arranged outside the radius of rotation of the first rotary cutter (70), and can be used to move the ice delivery screw (63) The ice cubes (62a) sent out are led to the crushed ice position on the first fixed cutter (69) and switched between the open position where the ice cubes (62a) sent out by the ice feeding screw (63) can fall; The second crushing ice device (85) includes a second crushing ice chamber (88), several pairs of second rotary cutters (90), several second fixed cutters (89) and a second blocking plate (91) wherein the 2nd crushed ice chamber (88) is arranged below the 1st crushed ice chamber (68); some pairs of the 2nd rotary cutter (90) are arranged in the inside of the 2nd crushed ice chamber (88), which can be combined with the 2nd crushed ice chamber (88) 1. The first rotating shaft (66) of the rotary cutter (70) is rotated around the second rotating shaft (86) which is arranged parallel to the second rotating shaft; 2 Inside the crushed ice chamber (88), one end is combined on the second rotating shaft (86), so that several second fixed cutters (89) that can move relative to the second rotating shaft (86); The blocking plate (91) is arranged outside the radius of rotation of the second rotary cutter (90), and can be switched between the crushing ice position and the open position. 2. The ice crushing device for a refrigerator according to claim 1, characterized in that the second ice crushing device (85) further includes a cutter drive motor (92) for driving the second rotary cutter (90) ). 3. The ice crushing device for a refrigerator according to claim 1, characterized in that the second ice crushing device (85) further includes a device capable of rotating the second blocking plate (91) so that it is in the ice crushing position. or solenoid valve (95) in the open position. 4. The ice crushing device for a refrigerator according to claim 1, characterized in that the rotation directions of the first blocking plate (71) and the second blocking plate (91) are opposite when turning to the open position.

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