Direct-expansion evaporator for shaved ice, and ice maker

Abstract

A direct-expansion evaporator for shaved ice, the evaporator comprising a drum (1) and a refrigerant pipe (2), wherein the refrigerant pipe (2) is made of a single continuous flow pipe; the refrigerant pipe (2) extends from one end of the drum (1) to the other end; the refrigerant pipe (2) is divided into a first segment (3), an inside portion (4) and a second segment (5), which are sequentially arranged from one end of the drum (1) to the other end; the inside portion (4) is provided with a partition (12); the inside portion (4) is divided by the partition (12) into a first portion (4.1) and a second portion (4.2), which are sequentially arranged in the axial direction and are not in direct communication with each other; and the first portion (4.1) is provided with an outlet (24), and the second portion (4.2) is provided with a discharge port (25). In the direct-expansion evaporator for shaved ice, the refrigerant pipe directly passes through the interior of the drum, which reduces mutual interference, is conducive to improving the ice-making efficiency, and further simplifies the structure and facilitates assembly. Further provided is an ice maker, which uses the evaporator for shaved ice described above.

Description

Direct-injection type continuous ice evaporator and ice maker TECHNICAL FIELD

[0001] The utility model relates to ice maker technical field, concretely relates to a direct-injection type continuous ice evaporator and ice maker. BACKGROUND

[0002] The continuous ice evaporator is the core component of the ice maker for making continuous ice. Currently, there is a direct-injection type continuous ice evaporator, such as the technical solution disclosed in the invention patent application with the application publication number CN116717932A. The household snow maker evaporator includes a roller shaft with a cold air chamber inside. It also includes a main shaft, a left fixed cover, and an oil seal cover. The main shaft extends left and right through the left fixed cover and the oil seal cover. The right end of the oil seal cover is fixed to the left end of the roller shaft. The left fixed cover is located to the left of the oil seal cover, and a first bearing is installed between the left fixed cover and the oil seal cover. The inside of the main shaft is hollow and allows a capillary tube to extend into it. The right end of the main shaft extends into the cold air chamber of the roller shaft. A capillary tube fixing piece is fixed to the right end of the main shaft. The right end of the main shaft is provided with an air outlet hole that communicates with the cold air chamber. An oil seal is installed between the inner wall of the oil seal cover and the outer wall of the main shaft. The right end of the roller shaft has a left and right extending shaft. The shaft is covered with a right fixed cover. A second bearing is installed between the inner wall of the right fixed cover and the outer wall of the shaft.

[0003] Therefore, the applicant proposes a new type of direct-injection type continuous ice evaporator, which directly passes through the inside of the roller to reduce mutual interference and improve ice making efficiency. The new type of direct-injection type continuous ice evaporator includes a roller, which is used for ice formation. It also includes a refrigerant pipe, which is used for circulating refrigerant. The refrigerant pipe extends from one end of the roller to the other end. The refrigerant pipe is sequentially provided with a first section, an inner section, and a second section from one end of the roller to the other end. The first section is rotatably sleeved and connected with the end of one end of the roller. The second section is rotatably sleeved and connected with the end of the other end of the roller. The inner section is located in the roller. The inner section includes a first part and a second part that are not directly connected. The first section communicates with the first part to form an inlet channel. The second part communicates with the second section to form an outlet channel. The first part is provided with an outlet. The second part is provided with an exhaust outlet. For detailed content, please refer to the technical solutions proposed in the applicant's prior Chinese utility model patent application numbers 2024211747972 and 2024219128082.

[0004] The applicant further proposes a new type of direct-injection type continuous ice evaporator and ice maker, which further simplifies the structure and facilitates assembly. In this application, the Chinese utility model patent application numbers 2024211747972 and 2024219128082 are referred to.

[0005] 2024219128082 are incorporated into the present application. Technical problem

[0006] The technical problem to be solved by the utility model is: a direct-injection type cotton ice evaporator is provided, the refrigerant pipeline directly passes through the inside of the roller, mutual interference is reduced, ice making efficiency is improved, and the structure is further simplified and assembly is facilitated. Technical solution

[0007] The technical solution of the utility model is: a cotton ice evaporator, comprising a roller, the outer periphery of the roller is used for ice formation, characterized in that: further comprising a refrigerant pipe, the refrigerant pipe is used for circulating refrigerant, the refrigerant pipe is made of a whole continuous circulation pipe, the refrigerant pipe is arranged from one end of the roller to the other end, the refrigerant pipe is sequentially divided into a first section, an inner side part and a second section from one end of the roller to the other end, the first section is rotatably sleeved with the end of one end of the roller, the second section is rotatably sleeved with the end of the other end of the roller, and the inner side part is located in the roller; the inner side part is provided with a separation part, under the separation of the separation part, the inner side part is sequentially divided into a first part and a second part which are not directly connected in the axial direction, the first section is communicated with the first part to form an inlet channel, the second part is communicated with the second section to form an outlet channel, the first part is provided with an outlet, and the second part is provided with a discharge outlet.

[0008] The non-direct connection refers to that under the separation of the separation part, the refrigerant is directly sprayed into the roller through the inlet channel and the outlet, and the refrigerant is sprayed into the outlet channel after heat absorption and vaporization to be discharged from the roller.

[0009] After the above structure is used, the utility model has the following advantages:

[0010] The refrigerant pipeline directly passes through the inside of the roller, and the inlet channel and the outlet channel do not interfere with each other, so that mutual interference is reduced, ice making efficiency is improved.

[0011] Since the first section is rotatably sleeved with the end of one end of the roller, the end of one end of the roller will be provided with a sleeving hole, and similarly, since the second section is rotatably sleeved with the end of the other end of the roller, the end of the other end of the roller will also be provided with a sleeving hole, so that when producing and manufacturing, the refrigerant pipe can be inserted from the end of one end of the roller and further inserted in the axial direction and through the end of the other end of the roller, and since the refrigerant pipe is made of a whole continuous circulation pipe, the structure of the refrigerant pipe is stable in the axial direction as a whole, so that the refrigerant pipe and the roller are conveniently assembled, and in addition, the refrigerant pipe itself is also convenient to produce and manufacture.

[0012] Preferably, the whole continuous circulation pipe is formed by one pipe or sequentially spliced by multiple pipes.

[0013] As preferred, the transverse openings or transverse intervals are provided with the blocking pieces to form the partition parts.

[0014] As preferred, the end of the one end of the roller is provided with a first supporting part on the outer periphery of the first section, and the end of the other end of the roller is provided with a second supporting part on the outer periphery of the second section, the first supporting part and the second supporting part are used to support the rotation of the roller, at the same time, the first sealing ring is arranged in the annular interval between the first supporting part and the first section, and the second sealing ring is arranged in the annular interval between the second supporting part and the second section, when the first supporting part, the second supporting part and the roller rotate together, the assembly composed of the first supporting part, the second supporting part and the roller rotates relative to the refrigerant pipe, and the refrigerant pipe does not rotate.

[0015] As preferred, the outer end of the first supporting part is connected with a first end cover, the first section passes through the first end cover to the outside and is rotatably matched, and / or the outer end of the second supporting part is connected with a second end cover, the second section passes through the second end cover to the outside and is rotatably matched.

[0016] As preferred, the first section is provided with a first limiting step, and the second section is provided with a second limiting step, after the first end cover is connected with the outer end of the first supporting part, the first limiting step forms a first axial limiting, after the second end cover is connected with the outer end of the second supporting part, the second limiting step forms a second axial limiting, and the refrigerant pipe is axially limited between the first end cover and the second end cover under the action of the first axial limiting and the second axial limiting.

[0017] As preferred, a first gasket is arranged between the first limiting step and the first end cover, and a second gasket is arranged between the second limiting step and the second end cover.

[0018] As preferred, a first axial limiting part is further arranged in the annular interval between the first supporting part and the first section, and the first axial limiting part is used to limit the axial movement of the first sealing ring, and a second axial limiting part is further arranged in the annular interval between the second supporting part and the second section, and the second axial limiting part is used to limit the axial movement of the second sealing ring.

[0019] As preferred, the number of the first sealing ring is one or more, the first sealing ring is sleeved on the first section and arranged close to the side of the roller, the first axial limiting part is arranged on the first section and away from the side of the roller, and the first sealing ring is axially limited between the first axial limiting part and the side of the roller; the number of the second sealing ring is one or more, the second sealing ring is arranged on the second section and close to the side of the roller, the second axial limiting part is sleeved on the second section and away from the side of the roller, and the second sealing ring is axially limited between the second axial limiting part and the side of the roller. BRIEF DESCRIPTION OF DRAWINGS

[0020] Fig. 1 is a perspective view of a continuous ice evaporator.

[0021] Fig. 2 is a perspective view of a refrigerant pipe.

[0022] Fig. 3 is a top view of a continuous ice evaporator.

[0023] Fig. 4 is a sectional view along A-A.

[0024] Fig. 5 is a top view of a continuous ice evaporator with a scraper arranged in the circumferential direction.

[0025] Fig. 6 is a perspective view of a continuous ice evaporator rotatably arranged on an ice making support.

[0026] Fig. 7 is a perspective view mainly showing the positional relationship of a first axial stopper, a second axial stopper, a first sealing ring, and a second sealing ring (the drum in the figure is arranged to be relatively short in the axial direction).

[0027] Fig. 8 is a top view of a drum with a first support part and a second support part welded to form a component.

[0028] Fig. 9 is a sectional view along B-B.

[0029] In the drawings, the following is shown: 1 - drum, 2 - refrigerant pipe, 3 - first section, 4 - inner side part, 4.1 - first part, 4.2 - second part, 5 - second section, 6 - first support part, 7 - second support part, 8 - first sealing ring, 9 - second sealing ring, 10 - first limiting step, 11 - second limiting step, 12 - partition part, 13 - first end cover, 14 - second end cover, 15 - first gasket, 16 - second gasket, 17 - scraper, 18 - transmission gear, 19 - ice making support, 20 - first bearing, 21 - second bearing, 22 - inlet flow channel, 23 - outlet flow channel, 24 - outlet, 25 - discharge outlet, 26 - sleeving hole, 27 - transverse opening, 28 - first axial stopper, 29 - second axial stopper, 30 - first containing interval, 31 - second containing interval, 32 - blocking piece. Embodiments of the application

[0030] For a better understanding of the present application, various aspects of the present application will be described in more detail below with reference to the accompanying drawings. It is to be understood that the detailed description is merely descriptive of example embodiments of the present application and is not intended to limit the scope of the present application in any way. Throughout the specification, like reference numerals refer to like elements.

[0031] In the drawings, the thickness, size, and shape of objects have been slightly exaggerated for ease of explanation. The drawings are merely examples and are not strictly drawn to scale.

[0032] It should also be understood that the words "comprise", "comprising", "include", "including", "contain", "containing", when used in this specification, mean the presence of the stated features, integers, steps, operations, elements, and / or components but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and / or groups thereof.

[0033] As shown in FIGS. 1-9, a direct injection ice evaporator is disclosed, which can be used in an ice maker, the ice evaporator comprising a roller 1, a refrigerant pipe 2 for flowing refrigerant, the refrigerant pipe 2 extending from one end of the roller 1 to the other end, the refrigerant pipe 2 being made of a whole continuous flow pipe, for example, formed by one pipe or sequentially spliced by multiple pipes, for example, one pipe is formed by a whole stainless steel seamless pipe, and multiple pipes are sequentially spliced by multiple stainless steel seamless pipes which are sequentially welded along the axial direction, when the multiple stainless steel seamless pipes are sequentially welded, the transverse space between the adjacent stainless steel seamless pipes can be used to set a plug 32, for example, the adjacent stainless steel seamless pipes can be bridged by the plug 32, so that the adjacent stainless steel seamless pipes are connected together by the plug 32, and then the partition 12 is naturally formed. Of course, from the convenience of manufacturing, it is preferred to use a whole stainless steel seamless pipe as the refrigerant pipe 2.

[0034] In some embodiments, in order to plug the whole stainless steel seamless pipe to form the partition 12, the following structure can be used, as shown in FIG. 2, a transverse opening 27 is formed on the whole continuous flow pipe, and the transverse opening 27 is matched with the plug 32 to form the partition 12.

[0035] As shown in FIGS. 2 and 4, the refrigerant pipe 2 sequentially has a first section 3, an inner side part 4 and a second section 5 from one end of the roller 1 to the other end, the first section 3 is rotatably sleeved with the end of one end of the roller 1 through a sleeving hole 26, the sleeving hole 26 can be referred to FIG. 9, the second section 5 is rotatably sleeved with the end of the other end of the roller 1 through a sleeving hole 26, and the inner side part 4 is located in the roller 1; the end of one end of the roller 1 is further sleeved with a first support part 6 on the outer periphery of the first section 3, and the end of the other end of the roller 1 is further sleeved with a second support part 7 on the outer periphery of the second section 5, the first support part 6 and the second support part 7 are used to support the roller 1 to rotate together, at the same time, the first sealing ring 8 and the first axial limiting part 28 are arranged in the annular space 12 between the first support part 6 and the first section 3, the first axial limiting part 28 is used to limit the axial movement of the first sealing ring 8, the second sealing ring 9 and the second axial limiting part 29 are arranged in the annular space 12 between the second support part 7 and the second section 5, the second axial limiting part 29 is used to limit the axial movement of the second sealing ring 9, when the first support part 6, the second support part 7 and the roller 1 rotate together, the assembly composed of the first support part 6, the second support part 7 and the roller 1 rotates relative to the refrigerant pipe 2, while the refrigerant pipe 2 does not rotate, so that the refrigeration oil is not easy to leak.

[0036] Therefore, in the production and manufacturing with the present disclosure, the assembly process can refer to the following, the refrigerant pipe 2 sequentially passes through the assembly of the first support part 6, the second support part 7 and the roller 1, and then the first end cover 13 and the second end cover 14 are connected after the first sealing ring 8 and the first axial limiting part 28, the second sealing ring 9 and the second axial limiting part 29 are respectively sleeved on both ends, and the installation is convenient and efficient. Since the refrigerant pipe 2 is made of a whole continuous flow pipe, the axial structure is stable, and also has good strength and support.

[0037] In some embodiments, in order to be more convenient for axial limiting and installation, as shown in FIG. 2, the first segment 3 is provided with a first limiting step 10, and the second segment 5 is provided with a second limiting step 11. After the first end cover 13 is connected with the outer side end of the first support part 6, the first limiting step 10 constitutes the first axial limiting, and after the second end cover 14 is connected with the outer side end of the second support part 7, the second limiting step 11 constitutes the second axial limiting. The refrigerant pipe 2 is axially limited between the first end cover 13 and the second end cover 14 under the action of the first axial limiting and the first axial limiting. In order to be convenient for connection, the first end cover 13 is threadedly connected with the outer side end of the first support part 6, and the second end cover 14 is threadedly connected with the outer side end of the second support part 7.

[0038] Further, as shown in FIG. 4, the first limiting step 10 and the first end cover 13 are provided with a first gasket 15, and the second limiting step 11 and the second end cover 14 are provided with a second gasket 16. In this way, contact occurs through the gasket, avoiding wear to the first limiting step 10 and the second limiting step 11.

[0039] The first gasket 15 and the second gasket 16 preferably adopt oil-containing gaskets, thereby being beneficial to reducing friction.

[0040] As shown in FIG. 9, the first axial limiting part 28 and the second axial limiting part 29 preferably adopt a sleeve form. The first axial limiting part 28 in the sleeve form can be tightly sleeved on the first segment 3, or is further sleeved and then welded, thereby being firmly combined on the first segment 3. Of course, the first axial limiting part 28 can also be loosely fitted on the first segment 3 instead of being tightly connected, and the axial position is limited by the first gasket 15 described below. The first axial limiting part 28 and the second axial limiting part 29 can also not be in the sleeve form, but can also be other structures. Any structure form that can be applied in the present disclosure and achieve the purpose of axial limiting can be adopted.

[0041] In addition to the idea of manufacturing separate parts, it can also be integrally provided, for example, the first axial limiting part 28 is processed or cast on the first segment 3. Similarly, the second segment 5 can also be similarly provided.

[0042] In some embodiments, as shown in FIG. 4, the number of the first sealing rings 8 is one or more, the first sealing rings 8 are sleeved on the first section 3 and arranged close to the side of the roller 1, the first axial limiting member 28 is arranged on the first section 3 and arranged away from the side of the roller 1, and the first sealing rings 8 are axially limited between the first axial limiting member 28 and the side of the roller 1; the number of the second sealing rings 9 is one or more, the second sealing rings 9 are arranged on the second section 5 and arranged close to the side of the roller 1, the second axial limiting member 29 is sleeved on the second section 5 and arranged away from the side of the roller 1, and the second sealing rings 9 are axially limited between the second axial limiting member 29 and the side of the roller 1. In this way, better sealing performance is achieved, the refrigerant is prevented from entering the positions where the first axial limiting member 28 and the second axial limiting member 29 are located, and the portions of the first support part 6 and the second support part 7 away from the side of the roller 1 are less likely to be at a low temperature.

[0043] In some embodiments, as shown in FIGS. 4 and 9, the first axial limiting member 28 and the side of the roller 1 form a first containing interval 30, and the first sealing rings 8 are limited in the first containing interval 30 so that the first sealing rings 8 are arranged in a non-axially compressed state; the second axial limiting member 29 and the side of the roller 1 form a second containing interval 31, and the second sealing rings 9 are limited in the second containing interval 31 so that the second sealing rings 9 are arranged in a non-axially compressed state. In this way, the sealing rings are not in a compressed or dead state, and the sealing rings are self-adaptable according to the rotation, thereby achieving better sealing effect and sealing life.

[0044] In the present disclosure, as shown in FIGS. 2 and 4, the inner side part 4 is provided with a partition part 12, and under the partition of the partition part 12, the inner side part 4 is sequentially divided into a first part 4.1 and a second part 4.2 which are not directly communicated in the axial direction, the first section 3 is communicated with the first part 4.1 to form an inflow channel 22, the second part 4.2 is communicated with the second section 5 to form an outflow channel 23, the first part 4.1 is provided with an outlet 24, and the second part 4.2 is provided with a discharge outlet 25; the non-direct communication means that, under the partition of the partition part 12, the refrigerant is directly sprayed into the roller 1 through the inflow channel 22 and the outlet 24, and after the refrigerant absorbs heat and vaporizes, the refrigerant enters the outflow channel 23 through the discharge outlet 25 to be discharged from the roller 1. The arrows shown in FIG. 4 represent the general direction of the flow of the refrigerant.

[0045] In some embodiments, as shown in FIGS. 2 and 4, the outlet 24 is arranged as a plurality of through holes arranged in sequence along the axial direction of the first part 4.1, and the through holes are arranged on the pipe wall of the first part 4.1. In this way, the refrigerant is more beneficially distributed in the roller 1 to improve the refrigeration efficiency, and in addition, there is no need to additionally arrange the capillary structure such as the capillary tube mentioned in the prior art.

[0046] And the outlet 25 is set as a through hole on the pipe wall of the second part 4.2, and the outlet 25 is set close to the end of the other end of the roller 1, so as to further facilitate the distribution of the refrigerant in the roller 1 to improve the refrigeration efficiency.

[0047] The number and flow aperture size of the outlet 24 and the number and flow aperture size of the outlet 25 can be set according to the flow demand of the refrigerant. At present, the number of the outlet 24 is set to 5, and the number of the outlet 25 is set to 1.

[0048] Of course, the specific structure and number of the outlet 24 and the specific structure and number of the outlet 25 can also be other structures, which cannot be exemplified one by one.

[0049] In some embodiments, as shown in FIG. 4, the roller 1 can be obtained by a seamless stainless steel pipe with an open barrel body at both ends, and then the first support part 6 and the second support part 7 are welded at both ends of the barrel body respectively, so as to cover the two open ends, so that the first support part 6, the second support part 7 and the roller 1 form an assembly, and the first support part 6 and the second support part 7 can support the roller 1 to rotate together, in addition, the production and manufacturing are simple, which is conducive to improving the production efficiency.

[0050] The length of the roller 1 can form an ice-making surface of different lengths. As shown in FIG. 1, the length of the roller 1 is shorter, and as shown in FIGS. 5, 6, 8 and 9, the length of the roller 1 is longer.

[0051] The disclosure also provides an ice maker, which comprises a compressor, a scraper 17 and the endless ice evaporator. As shown in FIG. 5, the scraper 17 is arranged in the circumferential direction of the endless ice evaporator, and the compressor supplies refrigerant to the refrigerant pipe 2 of the endless ice evaporator.

[0052] The refrigerant ejected from the inner part 4 is circulated by the compressor to rapidly cool the roller 1, and the outer peripheral surface of the roller 1 is cooled to contact the liquid to form an ice layer. As the ice layer thickens, the scraper 17 will contact the ice layer, and under the rotation of the roller 1, the scraper 17 cuts the ice layer to obtain the endless ice.

[0053] In some embodiments, as shown in FIG. 6, an ice-making support 19 is further included, and the direct-injection type endless ice evaporator is installed on the ice-making support 19. A first bearing 20 is arranged between the first support part 6 of the direct-injection type endless ice evaporator and the ice-making support 19, and a second bearing 21 is arranged between the second support part 7 of the direct-injection type endless ice evaporator and the ice-making support 19. The direct-injection type endless ice evaporator rotates relative to the ice-making support 19 through the first bearing 20 and the second bearing 21. In this way, the first support part 6, the second support part 7 and the roller 1 form a more stable rotating assembly through the first bearing 20 and the second bearing 21.

[0054] As shown in Fig. 6, in order to drive the roller 1 to rotate, the second support part 7 is provided with a transmission gear 18, which is driven by an electric motor and then by a gear transmission structure, so as to further drive the second support part 7, and then the first support part 6, the second support part 7 and the roller 1 rotate together.

[0055] In understanding the present application, if necessary, the above structure can be understood together with other embodiments / diagrams, which will not be repeated here.

[0056] The above is only an embodiment of the present application for illustration, so equivalent changes or modifications made according to the structure, features and principles described in the patent protection scope of the present application are included in the patent protection scope of the present application.

Claims

1. A direct-impact continuous ice evaporator comprising a drum (1) having an outer periphery for ice formation, characterized in that: The application also comprises a refrigerant pipe (2) for flowing refrigerant, which is made of a whole continuous flow pipe, and extends from one end of the roller (1) to the other end. The refrigerant pipe (2) is sequentially divided into a first section (3), an inner side part (4) and a second section (5) from one end of the roller (1) to the other end. The first section (3) is rotatably sleeved with the end of one end of the roller (1), the second section (5) is rotatably sleeved with the end of the other end of the roller (1), and the inner side part (4) is located in the roller (1). The inner side part (4) is provided with a partition (12), and under the partition of the partition (12), the inner side part (4) is sequentially divided into a first part (4.1) and a second part (4.2) which are not directly connected in the axial direction. The first section (3) and the first part (4.1) form an inlet channel (22), the second part (4.2) and the second section (5) form an outlet channel (23), the first part (4.1) is provided with an outlet (24), and the second part (4.2) is provided with a discharge outlet (25). The non-direct connection means that the refrigerant is directly sprayed into the roller (1) through the inlet channel (22) and the outlet (24), and after the refrigerant absorbs heat and vaporizes, it enters the outlet channel (23) through the discharge outlet (25) to be discharged from the roller (1).

2. A direct injection, continuous ice evaporator as claimed in claim 1, wherein: The whole continuous flow pipe is formed by one pipe or by sequentially splicing multiple pipes.

3. A direct injection, continuous ice evaporator according to claim 1 or 2, characterized in that: A transverse opening (27) or a transverse interval is formed on the whole continuous flow pipe, and the transverse opening (27) or the transverse interval is matched with a blocking piece (32) to form the partition (12).

4. A direct injection, continuous ice evaporator as claimed in claim 1, wherein: The end of one end of the roller (1) is further sleeved with a first support part (6) on the outer periphery of the first section (3), and the end of the other end of the roller (1) is further sleeved with a second support part (7) on the outer periphery of the second section (5). The first support part (6) and the second support part (7) are used to support the roller (1) to rotate together. Meanwhile, a first sealing ring (8) is arranged in the annular interval (12) between the first support part (6) and the first section (3), and a second sealing ring (9) is arranged in the annular interval (12) between the second support part (7) and the second section (5). When the first support part (6), the second support part (7) and the roller (1) rotate together, the assembly composed of the first support part (6), the second support part (7) and the roller (1) rotates relative to the refrigerant pipe (2), while the refrigerant pipe (2) does not rotate.

5. A direct injection, continuous ice evaporator as claimed in claim 4, wherein: The outer side end of the first support part (6) is connected with a first end cover (13), the first section (3) passes through the first end cover (13) outward and is rotatably matched, and / or the outer side end of the second support part (7) is connected with a second end cover (14), the second section (5) passes through the second end cover (14) outward and is rotatably matched.

6. A direct injection, continuous ice evaporator as claimed in claim 5, wherein: The first section (3) is provided with a first limiting step (10), the second section (5) is provided with a second limiting step (11), after the first end cover (13) is connected with the outer side end of the first supporting part (6), the first limiting step (10) constitutes the first axial limitation, after the second end cover (14) is connected with the outer side end of the second supporting part (7), the second limiting step (11) constitutes the second axial limitation, the refrigerant pipe (2) is axially limited between the first end cover (13) and the second end cover (14) under the action of the first axial limitation and the first axial limitation.

7. A direct injection, continuous ice evaporator as claimed in claim 6, wherein: The first limiting step (10) and the first end cover (13) are provided with the first gasket (15), and the second limiting step (11) and the second end cover (14) are provided with the second gasket (16).

8. A direct injection, continuous ice evaporator as claimed in claim 4 or 5 or 6 or 7, wherein: The annular interval (12) between the first supporting part (6) and the first section (3) is further provided with the first axial limiting part (28), and the first axial limiting part (28) is used for limiting the axial movement of the first sealing ring (8), the annular interval (12) between the second supporting part (7) and the second section (5) is further provided with the second axial limiting part (29), and the second axial limiting part (29) is used for limiting the axial movement of the second sealing ring (9).

9. A direct injection, continuous ice evaporator as claimed in claim 8, wherein: The number of the first sealing ring (8) is one or more, the first sealing ring (8) is sleeved on the first section (3) and is arranged close to the side of the roller (1), the first axial limiting part (28) is arranged on the first section (3) and is arranged away from the side of the roller (1), and the first sealing ring (8) is axially limited between the first axial limiting part (28) and the roller (1); the number of the second sealing ring (9) is one or more, the second sealing ring (9) is arranged on the second section (5) and is arranged close to the side of the roller (1), the second axial limiting part (29) is sleeved on the second section (5) and is arranged away from the side of the roller (1), and the second sealing ring (9) is axially limited between the second axial limiting part (29) and the roller (1).

10. An ice maker comprising a compressor, a scraper (17) and a direct spray ice evaporator, the scraper (17) being disposed in a circumferential direction of the direct spray ice evaporator, the compressor supplying refrigerant to a refrigerant pipe (2) of the direct spray ice evaporator, characterized in that: The direct injection type continuous ice evaporator adopts the direct injection type continuous ice evaporator in any one of claims 1 to 9.

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