Ice maker capable of improving sealing performance and strength

Abstract

The utility model discloses an ice maker with improved sealing performance and strength, which comprises a shell, an upper end cover, a lower end cover, a rotating shaft and a spiral scraper, the two ends of the shell are respectively connected with the upper end cover and the lower end cover, and the rotating shaft and the spiral scraper are arranged in the shell; the shell comprises an outer barrel, a middle barrel and an inner barrel which are sequentially arranged in the radial direction. The inner cylinder is characterized in that the bottom end of the inner cylinder is connected with a bottom flange, the upper surface of the lower end cover is provided with a step part and protruding parts, the protruding parts are arranged on the radial outer side of the step part, the multiple protruding parts are arranged in the radial direction, the step part is matched with the bottom end corner of the inner cylinder, the lower end face of the bottom flange is provided with sealing grooves, and the multiple sealing grooves are arranged in the radial direction. And the plurality of convex parts are matched with the plurality of sealing grooves. According to the utility model, the sealing performance and the connecting strength of the bottom end of the shell can be effectively improved, so that the production efficiency of smoothie / ice slurry can be guaranteed / improved.

Description

Technical Field

[0001] The utility model relates to the technical field of ice making machines, in particular to an ice making machine with improved sealing performance and strength. Background Art

[0002] Existing ice makers, for example, the prior art CN108332465A discloses a turbulent vortex type fluid ice maker, and CN108645085A discloses a scraper assembly for an ice maker evaporator and ice making. However, the existing ice maker inner cylinder bottom mounting structure still has the problem of poor sealing and connection strength, which needs to be further improved. Utility Model Content

[0003] The purpose of the utility model is to overcome the shortcomings of the prior art and provide an ice maker with improved sealing and strength. The utility model can effectively improve the sealing of the bottom end of the shell by matching a plurality of protrusions with a plurality of sealing grooves in a one-to-one correspondence, thereby ensuring / improving the production efficiency of smoothies / slurry ice; the utility model can better improve the sealing of the bottom end of the shell by different elastic deformation amounts of the two sealing gaskets. The utility model can effectively improve the connection strength of the bottom end of the shell by designing the first mounting ring, the second mounting ring, and the third mounting ring, thereby ensuring / improving the production efficiency of smoothies / slurry ice.

[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0005] An ice-making machine with improved sealing and strength comprises a shell (1), an upper end cover (2), a lower end cover (3), a rotating shaft (4), and a spiral scraper (5). The upper end cover and the lower end cover are respectively connected at both ends of the shell. The rotating shaft and the spiral scraper are installed in the shell. The spiral scraper is fixedly connected to the outer peripheral wall of the rotating shaft and spirally extends along the axial direction of the rotating shaft. The two ends of the rotating shaft are respectively rotatably connected to the shell through bearings. The shell comprises an outer cylinder (11), a middle cylinder (12), and an inner cylinder (13) which are sequentially arranged in a radial direction. A heat insulation cavity is formed between the outer cylinder and the middle cylinder, a refrigeration cavity is formed between the middle cylinder and the inner cylinder, and the inner cylinder has a heat insulation cavity. The inner cavity of the refrigerator constitutes an ice-making cavity, a spiral guide plate (8) is arranged in the refrigeration cavity, and a plurality of spoilers (9) are arranged in the refrigeration cavity; the characteristic is that: the bottom end of the inner cylinder (13) is connected with a bottom flange (31), the bottom flange is sealed and installed with the lower end cover (3), the upper surface of the lower end cover is provided with a step portion (32) and a protrusion (33), the protrusion is arranged on the radial outer side of the step portion, the plurality of protrusions are arranged in the radial direction, the step portion is matched with the bottom end corner of the inner cylinder, the lower end surface of the bottom flange is provided with a sealing groove, the plurality of sealing grooves are arranged in the radial direction, and the plurality of protrusions are matched with the plurality of sealing grooves.

[0006] Furthermore, from the radial inner side to the radial outer side, the axial heights of the plurality of protrusions (33) gradually increase, and the axial depths of the plurality of sealing grooves gradually increase.

[0007] Furthermore, the cross-sectional areas of the plurality of protrusions (33) gradually increase from the radial inner side to the radial outer side.

[0008] Furthermore, the cross section of the protrusion (33) is rectangular, and the protrusion extends in a ring shape along the circumferential direction.

[0009] Furthermore, a mounting groove is provided between the step portion (32) and the radial inner side of a protrusion (33), a first sealing gasket (34) is installed in the mounting groove, and the upper surface of the first sealing gasket is in contact with the lower end surface of the inner cylinder (13); a second sealing gasket (35) is installed on the radial outer side of the other protrusion, and the upper and lower end surfaces of the second sealing gasket are respectively in contact with the lower end surface of the bottom flange (31) and the upper surface of the lower end cover (3).

[0010] Furthermore, the elasticity or deformation amount of the first sealing gasket (34) is greater than the elasticity or deformation amount of the second sealing gasket (35).

[0011] Furthermore, a first mounting ring (131), a second mounting ring (132), and a third mounting ring (133) are provided at the lower end of the inner cylinder (13); the third mounting ring is connected to the inner side wall of the inner cylinder; the first mounting ring and the second mounting ring are connected to the outer side wall of the inner cylinder; and the first mounting ring, the second mounting ring, and the third mounting ring are used for positioning and mounting the bottom of the inner cylinder.

[0012] Furthermore, the third mounting ring (133) and the step portion (32) are positioned and matched with each other, and the radial inner end of the bottom flange (31) is embedded in the groove formed by the first mounting ring (131) and the second mounting ring (132); the second mounting ring is embedded in the step-shaped recess formed by the radial inner end of the bottom flange, and the bottom end surface of the second mounting ring is flush with the bottom end surface of the bottom flange.

[0013] The utility model is an ice maker with improved sealing and strength. It can effectively improve the sealing of the bottom end of the shell through the one-to-one matching of multiple protrusions and multiple sealing grooves, thereby ensuring / improving the production efficiency of smoothies / slurry ice; it can better improve the sealing of the bottom end of the shell through the difference in elastic deformation of the two sealing gaskets. It can effectively improve the connection strength of the bottom end of the shell through the design of the first mounting ring, the second mounting ring, and the third mounting ring, thereby ensuring / improving the production efficiency of smoothies / slurry ice. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the structure of an ice-making machine with improved sealing and strength according to the utility model;

[0015] Figure 2 This is a schematic diagram of a partially enlarged structure of an ice-making machine for improving the sealing and strength of the utility model;

[0016] Figure 3 The utility model is a partially enlarged structural diagram of an ice-making machine with improved sealing and strength.

[0017] In the figure: shell 1, upper end cover 2, lower end cover 3, rotating shaft 4, spiral scraper 5, transmission 6, motor 7, spiral guide plate 8, spoiler 9, outer cylinder 11, middle cylinder 12, inner cylinder 13, water inlet pipe 14, ice outlet pipe 15, refrigerant inlet pipe 16, refrigerant outlet pipe 17; bottom flange 31, step portion 32, raised portion 33, first sealing gasket 34, second sealing gasket 35, first mounting ring 131, second mounting ring 132, third mounting ring 133. DETAILED DESCRIPTION

[0018] In order to make the technical solution and advantages of the utility model clearer, the technical solution of the utility model will be further described in detail in detail with reference to the accompanying drawings. It can be understood that the specific embodiments described here are only partial embodiments of the utility model, which are only used to explain the utility model, not to limit the utility model. It should be noted that for the convenience of description, only the parts / structures related to the utility model are shown in the accompanying drawings, and other related parts can refer to the general design. In the absence of conflict, the embodiments of the utility model and the technical features in the embodiments can be combined with each other to obtain new embodiments.

[0019] Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention. In addition, unless otherwise defined, the technical terms or scientific terms used in the description of the present invention should be the common meanings understood by ordinary technicians in the field to which the present invention belongs.

[0020] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0021] like Figure 1-3As shown, the utility model is an ice-making machine with improved sealing and strength, which includes a shell 1, an upper end cover 2, a lower end cover 3, a rotating shaft 4, and a spiral scraper 5. The two ends of the shell 1 are respectively connected to the upper end cover 2 and the lower end cover 3. The rotating shaft 4 and the spiral scraper 5 are installed in the shell 1. The spiral scraper 5 is fixedly connected to the outer peripheral wall of the rotating shaft 4 and spirally extends along the axial direction of the rotating shaft 4. The two ends of the rotating shaft 4 are respectively rotatably connected to the shell 1 through bearings, and one end of the rotating shaft 4 is transmission-connected to the motor 7 through a transmission 6; the shell 1 includes an outer cylinder 11, a middle cylinder 12, and an inner cylinder 13 arranged in sequence along the radial direction, and a heat-insulating cavity is formed between the outer cylinder 11 and the middle cylinder 12. A refrigeration chamber is formed between the middle cylinder 12 and the inner cylinder 13, and the inner cavity of the inner cylinder 13 forms an ice-making chamber. A spiral guide plate 8 is arranged in the refrigeration chamber, and the spiral guide plate 8 extends spirally along the axial direction. A plurality of spoilers 9 are arranged in the refrigeration chamber, and the spoilers 9 are arranged on the outer peripheral wall of the inner cylinder 13 or the spiral blade surface of the spiral guide plate 8; a water inlet pipe 14 and a refrigerant inlet pipe 16 are connected to the lower end of the shell 1, the water inlet pipe 14 is connected to the ice-making chamber, and the refrigerant inlet pipe 16 is connected to the refrigeration chamber; an ice outlet pipe 15 and a refrigerant outlet pipe 17 are connected to the upper end of the shell 1, and the ice outlet pipe 15 is connected to the ice-making chamber, and the refrigerant outlet pipe 17 is connected to the refrigeration chamber.

[0022] like Figure 2-3 As shown, the bottom end of the inner cylinder 13 is connected to a bottom flange 31, and the bottom flange 31 is sealed and installed with the lower end cover 3. The upper surface of the lower end cover 3 is provided with a step portion 32 and a protrusion 33. The protrusion 33 is arranged on the radial outside of the step portion 32, and a plurality of protrusions 33 are arranged radially. The step portion 32 cooperates with the bottom end corner of the inner cylinder 13. The lower end surface of the bottom flange 31 is provided with a sealing groove, and a plurality of sealing grooves are arranged radially, and a plurality of protrusions 33 cooperate with a plurality of sealing grooves.

[0023] The utility model can effectively improve the sealing performance of the bottom end of the shell 1 by matching the multiple protrusions 33 with the multiple sealing grooves in a one-to-one correspondence, thereby ensuring / improving the production efficiency of smoothies / slurry ice.

[0024] Furthermore, from the radial inner side to the radial outer side, the axial heights of the plurality of protrusions 33 gradually increase, and the axial depths of the plurality of sealing grooves gradually increase, which can further improve the sealing performance of the bottom end of the housing 1.

[0025] The cross-sectional areas of the plurality of protrusions 33 gradually increase from the radial inner side to the radial outer side.

[0026] The cross section of the protrusion 33 is rectangular, and the protrusion 33 extends in a ring shape along the circumferential direction.

[0027] A mounting groove is provided between the step portion 32 and the radial inner side of a protrusion 33, in which a first sealing gasket 34 is installed, and the upper surface of the first sealing gasket 34 is in contact with the lower end surface of the inner cylinder 13; a second sealing gasket 35 is installed on the radial outer side of the other protrusion 33, and the upper and lower end surfaces of the second sealing gasket 35 are respectively in contact with the lower end surface of the bottom flange 31 and the upper surface of the lower end cover 3.

[0028] Furthermore, the elasticity or deformation amount of the first sealing gasket 34 is greater than the elasticity or deformation amount of the second sealing gasket 35. By the difference in elastic deformation amount of the two sealing gaskets, the sealing performance of the bottom end of the housing 1 can be better improved.

[0029] The lower end of the inner cylinder 13 is provided with a first mounting ring 131, a second mounting ring 132, and a third mounting ring 133. The third mounting ring 133 is connected to the inner wall of the inner cylinder 13, and the first mounting ring 131 and the second mounting ring 132 are connected to the outer wall of the inner cylinder 13. The first mounting ring 131, the second mounting ring 132, and the third mounting ring 133 are used for positioning and installation of the bottom of the inner cylinder 13.

[0030] The third mounting ring 133 and the step portion 32 are positioned and matched with each other, and the radial inner end of the bottom flange 31 is embedded in the groove formed by the first mounting ring 131 and the second mounting ring 132 .

[0031] The second mounting ring 132 is embedded in a stepped recess formed by the radial inner end of the bottom flange 31 , and a bottom end surface of the second mounting ring 132 is flush with a bottom end surface of the bottom flange 31 .

[0032] The bottom flange 31 is connected to the lower end cover 3 via a plurality of threaded connectors.

[0033] The utility model can effectively improve the connection strength of the bottom end of the shell 1 through the design of the first mounting ring 131, the second mounting ring 132, and the third mounting ring 133, thereby ensuring / improving the production efficiency of smoothies / slurry ice.

[0034] The utility model is an ice maker with improved sealing and strength. It can effectively improve the sealing of the bottom end of the housing 1 by matching multiple protrusions 33 with multiple sealing grooves in a one-to-one correspondence, thereby ensuring / improving the production efficiency of smoothies / slurry ice. It can better improve the sealing of the bottom end of the housing 1 by the difference in elastic deformation of the two sealing gaskets. It can effectively improve the connection strength of the bottom end of the housing 1 by designing the first mounting ring 131, the second mounting ring 132, and the third mounting ring 133, thereby ensuring / improving the production efficiency of smoothies / slurry ice.

[0035] The above-mentioned implementation mode is an illustration of the present utility model, not a limitation of the present utility model. It can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The protection scope of the present utility model is limited by the attached claims and their equivalents.

Claims

1. An ice-making machine with improved sealing and strength, comprising a shell (1), an upper end cover (2), a lower end cover (3), a rotating shaft (4), and a spiral scraper (5), wherein the upper end cover and the lower end cover are connected to the two ends of the shell respectively, the rotating shaft and the spiral scraper are installed in the shell, the spiral scraper is fixedly connected to the outer peripheral wall of the rotating shaft and spirally extends along the axial direction of the rotating shaft, and the two ends of the rotating shaft are rotatably connected to the shell through bearings respectively; the shell comprises an outer cylinder (11), a middle cylinder (12), and an inner cylinder (13) which are sequentially arranged in a radial direction, a heat insulation cavity is formed between the outer cylinder and the middle cylinder, a refrigeration cavity is formed between the middle cylinder and the inner cylinder, the inner cavity of the inner cylinder forms an ice-making cavity, a spiral guide plate (8) is arranged in the refrigeration cavity, and a plurality of spoilers (9) are arranged in the refrigeration cavity; the characteristics are: The bottom end of the inner cylinder (13) is connected to a bottom flange (31), which is sealed and installed with the lower end cover (3). The upper surface of the lower end cover is provided with a step portion (32) and a protrusion (33), the protrusion is arranged radially outside the step portion, and a plurality of protrusions are arranged radially. The step portion matches with the bottom end corner of the inner cylinder. The lower end surface of the bottom flange is provided with a sealing groove, and the plurality of sealing grooves are arranged radially. The plurality of protrusions match with the plurality of sealing grooves.

2. An ice-making machine with improved sealing and strength as claimed in claim 1, characterized in that: From the radial inner side to the radial outer side, the axial heights of the plurality of protrusions (33) gradually increase, and the axial depths of the plurality of sealing grooves gradually increase.

3. An ice-making machine with improved sealing and strength as claimed in claim 2, characterized in that: The cross-sectional areas of the plurality of protrusions (33) gradually increase from the radial inner side to the radial outer side.

4. An ice-making machine with improved sealing and strength as claimed in claim 3, characterized in that: The cross section of the protrusion (33) is rectangular, and the protrusion extends in a ring shape along the circumferential direction.

5. An ice-making machine with improved sealing and strength as claimed in claim 4, characterized in that: A mounting groove is provided between the step portion (32) and the radial inner side of a protrusion (33), and a first sealing gasket (34) is installed in the mounting groove, and the upper surface of the first sealing gasket is in contact with the lower end surface of the inner cylinder (13); a second sealing gasket (35) is installed on the radial outer side of the other protrusion, and the upper and lower end surfaces of the second sealing gasket are respectively in contact with the lower end surface of the bottom flange (31) and the upper surface of the lower end cover (3).

6. An ice-making machine with improved sealing and strength as claimed in claim 5, characterized in that: The elasticity or deformation amount of the first sealing gasket (34) is greater than the elasticity or deformation amount of the second sealing gasket (35).

7. An ice-making machine with improved sealing and strength as claimed in claim 6, characterized in that: The lower end of the inner cylinder (13) is provided with a first mounting ring (131), a second mounting ring (132), and a third mounting ring (133); the third mounting ring is connected to the inner side wall of the inner cylinder; the first mounting ring and the second mounting ring are connected to the outer side wall of the inner cylinder; the first mounting ring, the second mounting ring, and the third mounting ring are used for positioning and mounting the bottom of the inner cylinder.

8. An ice-making machine with improved sealing and strength as claimed in claim 7, characterized in that: The third mounting ring (133) and the step portion (32) are positioned and matched with each other, and the radial inner end of the bottom flange (31) is embedded in the groove formed by the first mounting ring (131) and the second mounting ring (132); the second mounting ring is embedded in the step-shaped recess formed by the radial inner end of the bottom flange, and the bottom end surface of the second mounting ring is flush with the bottom end surface of the bottom flange.

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