Sealing structure of ice-making bucket and driving device

Abstract

The utility model relates to the technical field of ice-making machines, in particular to a sealing structure of an ice-making bucket and a driving device, which comprises the ice-making bucket, the driving device and an ice-making bucket seat, the ice-making bucket seat is fixed on the driving device, and the ice-making bucket is fixed on the ice-making bucket seat; a detachable ice scraping rod is arranged in the ice making bucket, and a driving shaft of the driving device penetrates through the ice making bucket seat and then is in driving connection with the ice scraping rod; an inner sealing piece is arranged between the driving shaft and the ice-making bucket seat, and an outer sealing piece is arranged between the ice-making bucket seat and the ice-making bucket. According to the arrangement, the ice-making bucket seat is arranged between the ice-making bucket and the driving device, and the ice-making bucket seat is provided with an inner and outer double-sealing structure (the inner sealing piece and the outer sealing piece), so that the waterproof effect is very good, and the ice-making bucket can be conveniently cleaned after the ice scraping rod is taken out of the ice-making bucket; and after the ice scraping rod is taken out, the situation that water flows into the driving device is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to ice maker technical field especially a sealing structure of ice making bucket and drive device. BACKGROUND

[0002] The extrusion particle ice maker on the market will have a large number of dirt and scale in the ice making bucket after long-term operation, the ice making bucket is inconvenient to clean due to the ice scraping rod arranged in the ice making bucket, the ice making bucket can be conveniently cleaned after the ice scraping rod is taken out, but the water in the ice making bucket will flow into the drive device after the ice scraping rod is taken out, and the risk of drive device failure increases.

[0003] The utility model patent with publication number CN215176243U discloses a kind of connection structure of ice making bucket and drive device;The prior art is equipped with waterproof pad between first limiting rib and first rotating shaft, but the waterproof pad sealing effect is not good, it can only seal between first rotating shaft and first limiting rib, but cannot seal the gap between ice making bucket and drive device, so when ice scraping rod is taken out to clean ice making bucket, the water in the ice making bucket will still flow into the drive device.

[0004] Therefore, the prior art still needs to be improved. UTILITY MODEL CONTENT

[0005] To solve the problems of the prior art, the utility model provides a kind of sealing structure of ice making bucket and drive device, by being provided with ice making bucket seat between ice making bucket and drive device, and being provided with inner and outer double sealing structure (inner seal and outer seal) on ice making bucket seat, waterproof effect is very good, can realize that ice scraping rod is taken out from ice making bucket to clean ice making bucket, and ice scraping rod will not appear water flow into the drive device after being taken out.

[0006] To achieve the above purpose, the technical scheme applied by the utility model is as follows:

[0007] A kind of sealing structure of ice making bucket and drive device, including ice making bucket, drive device and ice making bucket seat, the ice making bucket seat is fixed on drive device, and the ice making bucket is fixed on the ice making bucket seat;The ice making bucket is provided with detachable ice scraping rod, and the drive shaft of drive device is drivenly connected with the ice scraping rod after passing through the ice making bucket seat;Inner seal is arranged between the drive shaft and the ice making bucket seat, and outer seal is arranged between the ice making bucket seat and the ice making bucket.This setting, by being provided with ice making bucket seat between ice making bucket and drive device, and being provided with inner and outer double sealing structure (inner seal and outer seal) on ice making bucket seat, waterproof effect is very good, can realize that ice scraping rod is taken out from ice making bucket to clean ice making bucket, and ice scraping rod will not appear water flow into the drive device after being taken out.

[0008] According to the scheme, the inner seal includes an oil seal fixed to the outer wall of the drive shaft, and the outer wall of the oil seal is tightly attached to the inner wall of the ice bucket seat. In this way, the outer wall of the drive shaft and the inner wall of the ice bucket seat are sealed by the oil seal, so that after the ice scraper is removed, water cannot flow between the outer wall of the drive shaft and the inner wall of the ice bucket seat to the inside of the drive device.

[0009] According to the scheme, the outer seal includes a sealing ring fixed to the outer wall of the ice bucket seat, and the outer wall of the sealing ring is tightly attached to the inner wall of the ice bucket. In this way, the outer wall of the ice bucket seat and the inner wall of the ice bucket are sealed by the sealing ring, so that after the ice scraper is removed, water cannot flow between the outer wall of the ice bucket seat and the inner wall of the ice bucket to the inside of the drive device.

[0010] According to the scheme, the lower end of the drive shaft is formed with a lower connecting part connected to the output end of the drive device, the upper end of the drive shaft is formed with an upper connecting part penetrating through the ice bucket seat and drivingly connected to the ice scraper, and the upper connecting part and the lower connecting part are formed with upper and lower limiting parts, the oil seal is fixed to the upper limiting part, and the lower shaft sleeve is fixed to the upper limiting part. The outer wall of the lower shaft sleeve is tightly attached to the inner wall of the ice bucket seat. In this way, it is convenient to assemble, and after assembly, the upper and lower limiting parts respectively limit the oil seal and the lower shaft sleeve. The lower shaft sleeve can ensure the coaxiality of the drive shaft and the ice bucket seat, and does not need to be centered by a centering tool.

[0011] According to the scheme, the ice bucket seat is hollow, the upper end of the ice bucket seat is formed with a through hole for the upper connecting part to pass through, and the inner wall of the ice bucket seat is formed with a limiting step tightly attached to the upper surface of the oil seal. In this way, after assembly, the limiting step and the upper limiting part cooperate to limit the upper and lower surfaces of the oil seal, so that the oil seal does not displace after assembly, ensuring its sealing performance, and further ensuring that after the ice scraper is removed, water cannot flow between the through hole and the outer wall of the drive shaft and the inner wall of the ice bucket seat to the inside of the drive device.

[0012] According to the scheme, the lower end of the ice scraper is formed with a connecting groove, the upper connecting part is drivingly connected to the connecting groove of the ice scraper after penetrating through the ice bucket seat, and the upper connecting part and the connecting groove are non-circular structures. In this way, after assembly, the upper connecting part and the connecting groove are connected by clamping, so that when the drive device works, the drive shaft provides rotary torque for the ice scraper.

[0013] According to the scheme, the outer wall of the ice bucket seat is formed with a mounting groove for fixing the sealing ring. In this way, it is convenient to assemble, and the sealing ring does not displace after assembly, ensuring its sealing performance, and ensuring that after the ice scraper is removed, water cannot flow between the outer wall of the drive shaft and the inner wall of the ice bucket seat to the inside of the drive device.

[0014] According to the scheme, the shaft center of the driving shaft is coaxial with the ice scraping rod, the ice making bucket and the bucket seat.

[0015] According to the scheme, the evaporator is arranged on the outer wall of the ice making bucket, the ice making cavity is formed in the ice making bucket, the ice scraping rod is arranged in the ice making cavity, the water inlet and the ice outlet are arranged on the ice making bucket, the mounting plate is fixed on the outer wall of the ice outlet, the ice squeezing device is fixed on the mounting plate, the ice squeezing hole is formed in the ice squeezing device and connected with the ice outlet, and the ice breaking device is fixed on the upper end of the ice scraping rod and arranged in the ice squeezing hole. In this way, when making ice, the water is supplied into the ice making bucket through the water inlet, the refrigerant is sent to the evaporator through the refrigeration system (condenser and compressor) of the ice making machine, the evaporator transmits the cold energy to the ice making bucket, the water in the ice making cavity is converted into ice and condensed on the inner wall of the ice making bucket, the driving device drives the ice scraping rod to rotate to scrape the ice, the scraped ice is pushed to the ice squeezing hole of the ice squeezing device to be discharged, and the ice column is broken into granular ice by the ice breaking device.

[0016] According to the scheme, the upper shaft sleeve is arranged between the ice scraping rod and the ice squeezing device, and the spiral scraper is formed on the outer wall of the ice scraping rod. In this way, the coaxiality between the ice scraping rod and the ice squeezing device is ensured through the upper shaft sleeve, the spiral scraper of the ice scraping rod can scrape the ice and push the ice to the ice squeezing hole of the ice squeezing device to be discharged, and the stability is better and the noise is smaller.

[0017] According to the scheme, the evaporator comprises the spiral evaporating pipe which surrounds the outer wall of the ice making bucket. In this way, the cold energy of the refrigerant is transmitted to the ice making bucket through the spiral evaporating pipe, the contact area is large, the refrigerant travels a long distance, and the refrigeration effect is better.

[0018] According to the scheme, the evaporator comprises the annular sealing sleeve which surrounds the outer wall of the ice making bucket, and the annular sealing sleeve is in an integrated structure with the outer wall of the ice making bucket. In this way, the cold energy of the refrigerant is transmitted to the ice making bucket through the annular sealing sleeve, the contact area is large, the annular sealing sleeve is in an integrated structure with the outer wall of the ice making bucket, the refrigerant is arranged in the sealing cavity formed between the annular sealing sleeve and the outer wall of the ice making bucket, and the refrigeration effect is better.

[0019] The utility model discloses beneficial effect:

[0020] The utility model discloses beneficial effect: DRAWINGS

[0021] Figure 1is the overall structure section view schematic diagram of the utility model;

[0022] Figure 2 is Figure 1 is the schematic diagram of taking out the ice scraping rod in the middle;

[0023] Figure 3 is Figure 2 is the enlarged view of A position in the middle;

[0024] Figure 4 is the driving shaft schematic diagram of the utility model;

[0025] Figure 5 is the ice making bucket and spiral evaporation pipe schematic diagram in example one;

[0026] Figure 6 is the ice making bucket and ring shape sealing sleeve schematic diagram in example two.

[0027] in the drawing:

[0028] 1, ice making bucket; 11, water inlet; 12, ice making cavity; 13, ice outlet; 14, mounting plate; 2, driving device; 21, driving shaft; 211, lower connecting part; 212, upper connecting part; 213, upper limiting part; 214, lower limiting part; 3, ice making bucket seat; 31, oil seal; 32, lower shaft sleeve; 33, sealing ring; 34, perforation; 35, mounting groove; 36, limiting step; 4, ice scraping rod; 41, connecting groove; 5, evaporator; 51, spiral evaporation pipe; 52, ring shape sealing sleeve; 6, ice extruder; 61, ice extrusion hole; 62, upper shaft sleeve; 7, ice folding device. DETAILED DESCRIPTION

[0029] The technical scheme of the utility model will be described below in combination with the drawings and examples.

[0030] Example one:

[0031] As Figures 1 to 5 indicated, the utility model discloses a kind of ice making bucket and the sealing structure of driving device, including ice making bucket 1, driving device 2 and ice making bucket seat 3, the ice making bucket seat 3 is fixed on driving device 2, ice making bucket 1 is fixed on ice making bucket seat 3;The ice making bucket 1 is equipped with detachable ice scraping rod 4, the driving shaft 21 of driving device 2 is driven after passing through ice making bucket seat 3 and is connected with ice scraping rod 4;The inner sealing element between the driving shaft 21 and ice making bucket seat 3 is equipped, and the outer sealing element between ice making bucket seat 3 and ice making bucket 1 is equipped.Such setting, by being arranged between ice making bucket 1 and driving device 2 ice making bucket seat 3, and being arranged inner and outer double sealing structure (inner sealing element and outer sealing element) on ice making bucket seat 3, waterproof effect is very good, can be realized after ice scraping rod 4 is taken out from ice making bucket 1 to ice making bucket 1 convenient cleaning, and ice scraping rod 4 will not appear after taking out water flow to driving device 2 inside situation.

[0032] Further, the inner seal comprises an oil seal 31 fixed on the outer wall of the drive shaft 21, and the outer wall of the oil seal 31 is tightly attached to the inner wall of the ice bucket seat 3. In this way, the outer wall of the drive shaft 21 and the inner wall of the ice bucket seat 3 are sealed by the oil seal 31, so that water cannot flow into the drive device 2 through the outer wall of the drive shaft 21 and the inner wall of the ice bucket seat 3 after the ice scraping rod 4 is removed.

[0033] Further, the outer seal comprises a sealing ring 33 fixed on the outer wall of the ice bucket seat 3, and the outer wall of the sealing ring 33 is tightly attached to the inner wall of the ice bucket 1. In this way, the outer wall of the ice bucket seat 3 and the inner wall of the ice bucket 1 are sealed by the sealing ring 33, so that water cannot flow into the drive device 2 through the outer wall of the ice bucket seat 3 and the inner wall of the ice bucket 1 after the ice scraping rod 4 is removed.

[0034] Further, the lower end of the drive shaft 21 is formed with a lower connecting part 211 connected to the output end of the drive device 2, and the upper end of the drive shaft 21 is formed with an upper connecting part 212 penetrating through the ice bucket seat 3 and drivingly connected to the ice scraping rod 4. An upper limiting part 213 and a lower limiting part 214 are formed between the upper connecting part 212 and the lower connecting part 211, the oil seal 31 is fixed on the upper limiting part 213, and a lower shaft sleeve 32 is fixed on the upper limiting part 213. The outer wall of the lower shaft sleeve 32 is tightly attached to the inner wall of the ice bucket seat 3. In this way, the assembly is convenient, and after assembly, the upper limiting part 213 and the lower limiting part 214 respectively limit the oil seal 31 and the lower shaft sleeve 32. The lower shaft sleeve 32 can ensure the coaxiality of the drive shaft 21 and the ice bucket seat 3, and no centering operation is needed with the aid of a centering tool.

[0035] In practical application, the upper limiting part 213 is provided with a limiting step corresponding to the lower surface of the oil seal 31, and the inner hole of the oil seal 31 is adapted in diameter to the upper limiting part 213. The lower limiting part 214 is provided with a limiting step corresponding to the lower surface of the lower shaft sleeve 32, and the inner hole of the lower shaft sleeve 32 is adapted in diameter to the lower limiting part 214.

[0036] Further, the ice bucket seat 3 is hollow, the upper end of the ice bucket seat 3 is formed with a through hole 34 through which the upper connecting part 212 penetrates, and the inner wall of the ice bucket seat 3 is formed with a limiting step 36 tightly attached to the upper surface of the oil seal 31. In this way, after assembly, the limiting step 36 and the upper limiting part 213 cooperate to limit the upper and lower surfaces of the oil seal 31, so that the oil seal 31 does not displace after assembly, ensuring its sealing performance, and further ensuring that water cannot flow into the drive device 2 through the through hole 34 and the outer wall of the drive shaft 21 and the inner wall of the ice bucket seat 3 after the ice scraping rod 4 is removed.

[0037] Further, the lower end of the ice scraping rod 4 is formed with a connecting groove 41, and the upper connecting part 212 is drivingly connected with the connecting groove 41 of the ice scraping rod 4 after passing through the ice making bucket seat 3, and the upper connecting part 212 and the connecting groove 41 are non-circular structures. In this way, after assembly, the driving shaft 21 provides rotary torque for the ice scraping rod 4 through the clamping connection between the upper connecting part 212 and the connecting groove 41 when the driving device 2 is working.

[0038] Further, the outer wall of the ice making bucket seat 3 is formed with a mounting groove 35 for fixing the sealing ring 33. In this way, assembly is convenient, and the sealing ring 33 will not be displaced after assembly, ensuring its sealing performance and ensuring that water will not flow into the driving device 2 through the space between the outer wall of the driving shaft 21 and the inner wall of the ice making bucket seat 3 after the ice scraping rod 4 is taken out.

[0039] Further, the shaft centers of the ice scraping rod 4, the ice making bucket 1, the ice making bucket seat 3 and the driving shaft 21 are coaxially arranged. In this way, when the driving shaft 21 drives the ice scraping rod 4 to rotate, the stability is better, and the noise is small.

[0040] Further, the outer wall of the ice making bucket 1 is provided with an evaporator 5, the ice making bucket 1 is formed with an ice making cavity 12, the ice scraping rod 4 is installed in the ice making cavity 12, the ice making bucket 1 is provided with a water inlet 11 and an ice outlet 13, the outer wall of the ice outlet 13 is fixed with a mounting plate 14, the mounting plate 14 is fixed with a ice squeezing device 6, the ice squeezing device 6 is formed with a ice squeezing hole 61 which is connected with the ice outlet 13, and the upper end of the ice scraping rod 4 is fixed with a rounded table-shaped ice breaking device 7 after passing through the ice squeezing device 6, and the ice breaking device 7 is arranged correspondingly with the ice squeezing hole 61. In this way, when making ice, water is supplied into the ice making bucket 1 through the water inlet 11 by a water supply device, and the refrigerant is sent to the evaporator 5 by the refrigeration system (condenser and compressor) of the ice making machine, and the evaporator 5 transmits the cold to the ice making bucket 1, so that the water in the ice making cavity 12 is converted into ice and condensed on the inner wall of the ice making bucket 1, the driving device 2 drives the ice scraping rod 4 to rotate to scrape the ice, and the scraped ice is pushed to the ice squeezing hole 61 of the ice squeezing device 6 to be discharged, and the ice column is broken to form granular ice by the ice breaking device 7.

[0041] In practical application, the water inlet 11 is connected with the water supply device, and the water in the ice making bucket 1 is connected with the water supply device through a water leveler or a one-way valve based on the principle of communicating vessels, so that the ice making bucket 1 will not overflow through the water inlet 11, and then the inside of the ice making bucket 1 can be continuously brushed by a brush to achieve the purpose of cleaning the ice making bucket 1.

[0042] Further, the upper shaft sleeve 62 is arranged between the ice scraping rod 4 and the ice squeezing device 6, and the outer wall of the ice scraping rod 4 is formed with a spiral scraper. In this way, the coaxiality between the ice scraping rod 4 and the ice squeezing device 6 can be ensured through the upper shaft sleeve 62, and the spiral scraper of the ice scraping rod 4 can scrape the ice and push it to the ice squeezing hole 61 of the ice squeezing device 6 to be discharged, and the stability is better and the noise is small.

[0043] Furthermore, the evaporator 5 includes a spiral evaporation tube 51 surrounding the outer wall of the ice-making bucket 1. With this arrangement, the cold quantity of the refrigerant is transferred to the ice-making bucket 1 through the spiral evaporation tube 51. It has a large contact area and a long refrigerant travel distance, resulting in better refrigeration effect.

[0044] Embodiment 2:

[0045] As Figure 6 shown, the evaporator 5 includes an annular sealing sleeve 52 surrounding the outer wall of the ice-making bucket 1, and the annular sealing sleeve 52 is an integral structure with the outer wall of the ice-making bucket 1. With this arrangement, the cold quantity of the refrigerant is transferred to the ice-making bucket 1 through the annular sealing sleeve 52. It has a large contact area, and since the annular sealing sleeve 52 is an integral structure with the outer wall of the ice-making bucket 1, the refrigerant is located in the sealing cavity formed between the annular sealing sleeve 52 and the outer wall of the ice-making bucket 1, resulting in better refrigeration effect.

[0046] The difference between this Embodiment 2 and Embodiment 1 lies in the different shape of the evaporator 5, and the rest of the structures and principles are the same as those in Embodiment 1, so no repeated description will be made.

[0047] The embodiments of the present utility model have been described above in conjunction with the accompanying drawings. However, the present utility model is not limited to the above specific embodiments. The above specific embodiments are merely illustrative and not restrictive. Under the inspiration of the present utility model, those of ordinary skill in the art can also make many forms without departing from the purpose of the present utility model and the scope protected by the claims, and all of them fall within the protection scope of the present utility model.

Claims

1. A sealing structure of an ice making bucket and a driving device, characterized in that: comprising an ice making bucket (1), a driving device (2) and an ice making bucket seat (3), the ice making bucket seat (3) is fixed on the driving device (2), and the ice making bucket (1) is fixed on the ice making bucket seat (3); a detachable ice scraping rod (4) is arranged in the ice making bucket (1), and a driving shaft (21) of the driving device (2) is drivingly connected with the ice scraping rod (4) after penetrating through the ice making bucket seat (3); an inner sealing element is arranged between the driving shaft (21) and the ice making bucket seat (3), and an outer sealing element is arranged between the ice making bucket seat (3) and the ice making bucket (1); the inner sealing element comprises an oil seal (31) fixed on an outer wall of the driving shaft (21), and the outer wall of the oil seal (31) is tightly attached to an inner wall of the ice making bucket seat (3); a lower connecting part (211) is formed on a lower end of the driving shaft (21), the lower connecting part (211) is connected with an output end of the driving device (2), an upper connecting part (212) is formed on an upper end of the driving shaft (21), the upper connecting part (212) is drivingly connected with the ice scraping rod (4) after penetrating through the ice making bucket seat (3), an upper limiting part (213) and a lower limiting part (214) are formed between the upper connecting part (212) and the lower connecting part (211), the oil seal (31) is fixed on the upper limiting part (213), a lower shaft sleeve (32) is fixed on the upper limiting part (213), and the outer wall of the lower shaft sleeve (32) is tightly attached to the inner wall of the ice making bucket seat (3); the outer sealing element comprises a sealing ring (33) fixed on an outer wall of the ice making bucket seat (3), and the outer wall of the sealing ring (33) is tightly attached to an inner wall of the ice making bucket (1); the ice making bucket seat (3) is hollow, an upper end of the ice making bucket seat (3) is formed with a through hole (34) for facilitating the upper connecting part (212) to penetrate through, and a limiting step (36) is formed on the inner wall of the ice making bucket seat (3) and tightly attached to an upper surface of the oil seal (31); a connecting groove (41) is formed on a lower end of the ice scraping rod (4), the upper connecting part (212) is drivingly connected with the connecting groove (41) of the ice scraping rod (4) after penetrating through the ice making bucket seat (3), and the upper connecting part (212) and the connecting groove (41) are non-circular structures; an installation groove (35) for fixing the sealing ring (33) is formed on an outer wall of the ice making bucket seat (3); the shaft centers of the ice scraping rod (4), the ice making bucket (1), the ice making bucket seat (3) and the driving shaft (21) are coaxially arranged; an evaporator (5) is arranged on an outer wall of the ice making bucket (1), an ice making cavity (12) is formed in the ice making bucket (1), the ice scraping rod (4) is arranged in the ice making cavity (12), a water inlet (11) and an ice outlet (13) are arranged on the ice making bucket (1), a mounting plate (14) is fixed on an outer wall of the ice outlet (13), an ice extruder (6) is fixed on the mounting plate (14), an ice extruding hole (61) is formed on the ice extruder (6) and communicates with the ice outlet (13), a rounded table-shaped ice folding device (7) is fixed on an upper end of the ice scraping rod (4) after penetrating through the ice extruder (6), and the ice folding device (7) is arranged corresponding to the ice extruding hole (61). ​ ​ ​ ​ ​ 2. The ice-making bucket and driving device sealing structure according to claim 1, characterized in that: ​ 3. The ice-making bucket and driving device sealing structure according to claim 1, characterized in that: ​ 4. The ice-making bucket and driving device sealing structure according to claim 1, characterized in that: ​ 5. The ice-making bucket and drive device sealing structure according to claim 2, characterized by: ​ 6. The ice-making bucket and drive device sealing structure according to claim 1, characterized by: ​ 7. The ice-making bucket and drive device sealing structure according to claim 1, characterized by: ​ 8. The ice-making bucket and drive device sealing structure according to claim 1, characterized by: The ice scraping rod (4) is provided with an upper shaft sleeve (62) between the ice scraping rod (4) and the ice extruder (6), and a spiral-shaped scraper is formed on the outer wall of the ice scraping rod (4).

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