CN217636277U - Evaporator assembly for ice machine - Google Patents

Abstract

The utility model relates to an evaporator assembly for ice machine, the on-line screen storage device comprises a base, can dismantle the inner tube that sets up on the base, the outer tube in the inner tube outside is located to spiral skates and cover that sets up in, it is sealed through welding formation between the upper and lower both ends of outer tube and the inner tube outer wall, form the cavity that is used for holding the refrigerant between inner tube and the outer tube, and the upper and lower both ends of outer tube are connected with the muffler respectively, the intake pipe, intake pipe and muffler all are linked together with the cavity, the sub-unit connection of inner tube has the inlet tube, be provided with the ice-forming device in the upper and lower both ends opening of inner tube and the upper end opening, the upper end of spiral skates is through setting up axle sleeve and ice-forming device normal running fit. The utility model discloses a casing tube structure of inner tube and outer tube forms the cavity of refrigerant, makes refrigerant and inner tube surface direct contact, has greatly improved heat exchange efficiency, under the condition of equal length evaporimeter, promotes system ice efficiency.

Description

Evaporator assembly for ice machine

Technical Field

The utility model relates to an ice machine technical field, concretely relates to an evaporator assembly for ice machine.

Background

The evaporator is a heat exchanger, which makes low-pressure and low-temperature refrigerant liquid absorb the heat of the cooled medium in the boiling process, thereby achieving the purpose of refrigeration. The evaporator is widely applied in the field of ice making, a rotating shaft and a scraper which can rotate in the circumferential direction are arranged in the evaporator, and the scraper is connected to the rotating shaft. The rotating shaft of the evaporator is driven by the speed reducer to slowly rotate to be in a rising state, water enters from the water inlet at the bottom of the evaporator and forms a water film on the scraper, the water film and a refrigerant in the refrigerant flow channel carry out heat exchange, the temperature is rapidly reduced, liquid ice is formed, and under the pushing and extruding of the scraper, the ice is finally output from the ice outlet at the top of the evaporator.

The existing evaporator usually adopts a cylindrical stainless steel ice making cylinder, a spiral disc copper making pipe is arranged outside the ice making cylinder, and a refrigerant is arranged in the spiral disc copper making pipe to achieve the aim of refrigeration. However, the effective contact area between the copper tube and the copper tube is limited, the copper tube is welded outside the stainless steel cylinder, the welding difficulty of different melting points is high, the refrigeration effect of the copper tube is slow, and the cost of the copper tube is high. And the evaporimeter leads to the gap to appear between spiral dish system copper pipe and the ice making section of thick bamboo easily after long-time the use, can't closely laminate to influence heat exchange efficiency, reduce ice making efficiency.

SUMMERY OF THE UTILITY MODEL

To overcome the deficiencies of the prior art, the present invention provides an evaporator assembly for an ice making machine.

The purpose of the utility model can be realized by the following technical scheme: the utility model provides an evaporator assembly for ice machine, the on-line screen storage device comprises a base, can dismantle the inner tube that sets up on the base, the outer tube in the inner tube outside is located to spiral skates and cover that set up in the inner tube, it is sealed through welding formation between the upper and lower both ends of outer tube and the inner tube outer wall, form the cavity that is used for holding the refrigerant between inner tube and the outer tube, and the upper and lower both ends of outer tube are connected with the muffler respectively, the intake pipe, intake pipe and muffler all are linked together with the cavity, the sub-unit connection of inner tube has the inlet tube, be provided with the ice-forming device in upper end opening and the upper end opening of inner tube, axle sleeve and ice-forming device normal running fit are gone up through setting up to spiral skates's upper end.

Preferably, the middle of the base is fixedly provided with an inserting portion, a through hole penetrating through the base from top to bottom is formed in the inserting portion, the lower end opening of the inner pipe is sleeved on the inserting portion, the lower end of the spiral ice skate is in running fit with the through hole through the lower shaft sleeve, a square hole is formed in the lower end portion of the spiral ice skate, and the square hole is used for being connected with an output shaft of the speed reducer.

Preferably, the lower end of the spiral ice skate blade is sleeved with a mechanical sealing element, and the mechanical sealing element forms sealing with the inner wall of the inserting part.

Preferably, an annular sealing groove is formed in the outer side of the inserting portion, a sealing ring is sleeved in the sealing groove, and sealing is formed between the sealing ring and the inner wall of the inner pipe.

Preferably, the lower end of the inner pipe is fixedly connected with a flange, the flange is fixedly installed on the base through bolts, and a sealing gasket is arranged between the flange and the base.

Preferably, the base is cylindrical, the mounting plates are uniformly distributed on the periphery of the base, the mounting plates and the base are integrally formed, and mounting holes are formed in each mounting plate.

Preferably, a plurality of ice outlet holes are formed in the ice forming device, the cross section of each ice outlet hole is in a regular polygon shape, and the ice outlet holes are uniformly distributed in an annular shape around the upper end part of the spiral ice skate blade.

Preferably, an ice puller in threaded connection with the upper end of the spiral ice blade is arranged above the ice forming device, the upper part of the ice puller is cylindrical, the bottom of the ice puller is inverted conical, and two sets of ice cutting blades are oppositely arranged on the edge of the upper part of the ice puller.

Preferably, the upper end and the lower end of the outer pipe are both provided with a bending part perpendicular to the outer wall of the inner pipe, and the bending part and the inner pipe are welded to form sealing.

Preferably, the upper end and the lower end of the outer pipe are both provided with a necking part extending along the outer wall of the inner pipe, the inner wall of the necking part is tightly attached to the outer wall of the inner pipe, and the necking part and the inner pipe are welded to form sealing.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses an inner tube forms the cavity that holds the refrigerant with the bushing type structure of outer tube, makes refrigerant and inner tube surface direct contact, has greatly improved heat exchange efficiency, under the condition of equal length evaporimeter, promotes system ice efficiency to reduce refrigerating system's energy consumption, practiced thrift the copper pipe cost, simplified the structure. Form through the welding between the upper and lower both ends of outer tube and the inner tube sealedly, improve the utility model discloses a sealing performance prolongs life cycle.

Drawings

The present invention is further described with reference to the accompanying drawings, but the embodiments in the drawings do not constitute any limitation to the present invention, and for those skilled in the art, other drawings can be obtained according to the following drawings without inventive work.

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a front view of the present invention.

Fig. 3 is a schematic top structure diagram of the present invention.

Fig. 4 is a schematic bottom structure diagram of the present invention.

Fig. 5 isbase:Sub>A sectional view taken along linebase:Sub>A-base:Sub>A in fig. 3.

Fig. 6 is a schematic structural view of the middle base of the present invention.

Fig. 7 is a partial enlarged view of fig. 5 at B.

Fig. 8 is a schematic structural diagram of another embodiment of the present invention.

Fig. 9 is a sectional view taken along line C-C in fig. 8.

Fig. 10 is a partial enlarged view of fig. 9 at D.

The reference numbers shown in the figures denote: 1. a base; 2. a flange; 3. an inner tube; 4. an outer tube; 5. a water inlet pipe; 6. An air inlet pipe; 7. an air return pipe; 8. an ice maker; 9. an ice outlet; 10. a spiral ice blade; 11. an ice puller; 12. a square hole; 13. mounting a plate; 14. mounting holes; 15. a bolt; 16. a lower shaft sleeve; 17. a mechanical seal; 18. an upper shaft sleeve; 19. an insertion part; 20. a sealing groove; 21. a through hole; 22. a bending part; 23. a necking part.

Detailed Description

It should be noted that, if directional indications (such as upper, lower, left, right, front and rear \8230;) are involved in the embodiments of the present invention, the directional indications are only used to explain the relative positional relationship between the components in a specific posture (as shown in the attached drawings), the motion situation, etc., and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The technical solutions of the present invention will be described clearly and completely with reference to specific embodiments, and it should be understood that the described embodiments are only some embodiments of the present invention, rather than all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the first embodiment, as shown in fig. 1 to 7, the structure of the present invention is: the utility model provides an evaporator assembly for ice machine, which comprises a base 1, can dismantle the inner tube 3 that sets up on base 1, set up spiral skates 10 and the outer tube 4 of cover locating the inner tube 3 outside in inner tube 3 in the inner tube 3, form sealedly through welding between the upper and lower both ends of outer tube 4 and the outer wall of inner tube 3, form the cavity that is used for holding the refrigerant between inner tube 3 and the outer tube 4, and the upper and lower both ends of outer tube 4 are connected with muffler 7 respectively, intake pipe 6 and muffler 7 are all linked together with the cavity, the sub-unit connection of inner tube 3 has inlet tube 5, be provided with ice-forming device 8 in the upper end opening and the upper end opening of inner tube 3, the upper end of spiral skates 10 is through setting up axle sleeve 18 and ice-forming device 8 normal running fit, specifically, spiral skates 10 are bilobed leaf formula helical structure, its spiral line is reverse with the direction of rotation, spiral skates 10 up end and ice-end face distance are between 0.5-1.0mm under 8. The utility model discloses a bushing type structure of inner tube 3 and outer tube 4 forms the cavity that holds the refrigerant between inner tube 3 and the outer tube 4, makes refrigerant and 3 surface direct contacts of inner tube, and heat absorption in the refrigerant vaporization process to the water refrigeration in the inner tube 3, reach the freezing point and condense into ice, then drive spiral skates 10 is rotatory, passes through spiral propelling movement and compaction with the ice crystal that freezes in the inner tube 3, extrudes the formation ice-cube via icing ware 8 again.

Specifically referring to fig. 4, 5, and 6, an insertion portion 19 is fixedly disposed in the middle of the base 1, a through hole 21 penetrating through the base 1 from top to bottom is formed in the insertion portion 19, an opening at the lower end of the inner tube 3 is sleeved on the insertion portion 19, the lower end of the spiral ice blade 10 is rotatably matched with the through hole 21 by disposing a lower shaft sleeve 16, a square hole 12 is formed in the lower end of the spiral ice blade 10, the square hole 12 is used for connecting an output shaft of a speed reducer, and the spiral ice blade 10 is driven to rotate by the speed reducer. In this embodiment, the insertion portion 19 is designed to facilitate the detachment and installation of the inner tube 3.

Referring to fig. 5 in particular, the lower end of the spiral ice blade 10 is sleeved with a mechanical sealing element 17, a seal is formed between the mechanical sealing element 17 and the inner wall of the inserting portion 19, the mechanical sealing element 17 is designed to prevent the refrigerant from leaking from the inside of the outer tube 4 to the through hole 21 of the base 1, and the sealing performance is improved, wherein the mechanical sealing element 17 mainly includes the following four types of components, a is a main sealing element: a moving ring and a stationary ring; b, auxiliary sealing member: a seal ring; c, pressing a piece: a spring and a push ring; d, transmission part: the dustpan seat and the key or the fixing screw can realize sliding seal between the movable ring and the static ring, and the mechanical sealing element 17 is a mature product in the prior art, so that the connection relation of the internal concrete structure is not detailed.

Referring to fig. 6 in particular, an annular sealing groove 20 is formed in the outer side of the insertion portion 19, a sealing ring is sleeved in the sealing groove 20, a seal is formed between the sealing ring and the inner wall of the inner tube 3, the sealing groove 20 and the sealing ring are designed to further prevent the refrigerant from leaking from the inner wall of the outer tube 4, and the sealing performance of the evaporator assembly can be improved.

Referring to fig. 1 and 5 specifically, the lower end of the inner pipe 3 is fixedly connected with a flange 2, the flange 2 is fixedly mounted on the base 1 through a bolt 15, and a sealing washer is arranged between the flange 2 and the base 1, during specific implementation, the flange 2 and the inner pipe 3 are fixed through welding, the flange 2 and the base 1 are fixed through the bolt 15, the inner pipe 3 is convenient to detach and mount, and the sealing performance between the flange 2 and the base 1 is improved through the sealing washer.

Further referring to fig. 6, the base 1 is cylindrical, and evenly distributed has mounting panel 13 around the base 1, and mounting panel 13 and base 1 integrated into one piece, and has all seted up mounting hole 14 on every mounting panel 13, during the concrete implementation, evenly be equipped with four mounting panels 13 around the base 1, and seted up two mounting holes 14 on every mounting panel 13, stability when being favorable to improving the evaporimeter installation.

Specifically referring to 1, a plurality of ice outlet holes 9 are formed in the ice forming device 8, the cross sections of the ice outlet holes 9 are in a regular polygon shape, the ice outlet holes 9 are uniformly distributed around the upper end of the spiral ice blade 10 in an annular shape, and ice crystals formed in the inner tube 3 are extruded out through the ice outlet holes 9, so that the shapes of ice blocks are uniform.

With specific reference to fig. 2 and 5, an ice puller 11 in threaded connection with the upper end of the spiral ice blade 10 is arranged above the ice former 8, the upper part of the ice puller 11 is cylindrical, the bottom of the ice puller 11 is in an inverted cone shape, two sets of ice cutters are oppositely arranged on the edge of the upper part of the ice puller 11, ice condensed in the inner pipe 3 forms an ice column when the ice is discharged from the ice outlet hole 9, the ice puller 11 synchronously rotates under the driving of the spiral ice blade 10, the ice column is cut into ice cubes with proper size through the two sets of ice cutters, and the bottom of the ice puller 11 is designed in an inverted cone shape, so that the ice cubes can be timely discharged from the outlet of the ice outlet hole 9, and blocking is prevented.

Referring to fig. 5 and 7 specifically, in this embodiment, the upper and lower ends of the outer tube 4 are both provided with a bending portion 22 perpendicular to the outer wall of the inner tube 3, and the bending portion 22 and the inner tube 3 are welded to form a seal, thereby preventing the leakage of the refrigerant and improving the sealing performance of the present invention.

Implementing two, specifically refer to fig. 8, 9, 10, in this embodiment, the upper and lower ends of the outer tube 4 are all provided with the throat portion 23 extending along the outer wall of the inner tube 3, the inner wall of the throat portion 23 is tightly attached to the outer wall of the inner tube 3, and the throat portion 23 and the inner tube 3 are sealed by welding, the throat portion 23 extending along the outer wall of the inner tube 3 is designed, and when the outer tube 4 is installed, the inner wall of the throat portion 23 is tightly attached to the outer wall of the inner tube 3, so that a surface-to-surface contact is formed between the inner wall of the throat portion 23 and the outer wall of the inner tube 3, the contact area between the upper and lower ends of the outer tube 4 and the inner tube 3 can be increased, thereby improving the sealing performance of the evaporator assembly, and being beneficial to prolonging the service life of the evaporator assembly.

When the ice-removing device is used specifically, a heat insulation layer can be sleeved on the outer side of the outer pipe 4, the heat insulation layer can play a role in heat insulation and condensation prevention, when drinking water is introduced into the inner pipe 3 from the water inlet pipe 5, meanwhile, a refrigerant enters a cavity formed between the inner pipe 3 and the outer pipe 4 from the air inlet pipe 6, and then returns to the compressor from the air return pipe 7, the circulation work is performed, the refrigerant is vaporized in the cavity to absorb heat so as to refrigerate water in the inner pipe 3, the freezing point is condensed into ice, the spiral ice blade 10 is driven to rotate by the speed reducer installed below the base 1, the ice crystals frozen in the inner pipe 3 are upwards pushed and compacted by the spiral ice blade 10 through a spiral, then are pushed out through the ice outlet hole 9 of the ice forming device 8 to form an ice column, then are continuously pushed out to the ice drawer 11 at the top, and the ice column is continuously cut off through the two sets of ice cutters arranged on the upper edge of the ice drawer 11 to form ice blocks and then fall into an ice storage barrel for later use.

The present invention has been further described with reference to specific embodiments, but it should be understood that the specific description herein should not be construed as limiting the spirit and scope of the present invention, and that various modifications to the above-described embodiments, which would occur to persons skilled in the art after reading this specification, are within the scope of the present invention.

Claims (10)

1. An evaporator assembly for an ice-making machine, characterized by: including base (1), can dismantle set up in inner tube (3) on base (1), set up in spiral skates (10) and cover in inner tube (3) are located outer tube (4) in inner tube (3) outside, the upper and lower both ends of outer tube (4) with it is sealed to form through the welding between inner tube (3) the outer wall, form the cavity that is used for holding the refrigerant between inner tube (3) and outer tube (4), just the upper and lower both ends of outer tube (4) are connected with muffler (7), intake pipe (6) respectively with muffler (7) the cavity is linked together, the sub-unit connection of inner tube (3) has inlet tube (5), be provided with in the upper and lower both ends opening and the upper end opening of inner tube (3) and become ice ware (8), the upper end of spiral skates (10) through setting up axle sleeve (18) with become ice ware (8) normal running fit.

2. The evaporator assembly for an ice-making machine according to claim 1, wherein: the novel ice skate is characterized in that an inserting portion (19) is fixedly arranged in the middle of the base (1), a through hole (21) which penetrates through the base (1) from top to bottom is formed in the inserting portion (19), a lower end opening of the inner pipe (3) is sleeved on the inserting portion (19), the lower end of the spiral ice skate (10) is in running fit with the through hole (21) through a lower shaft sleeve (16), a square hole (12) is formed in the lower end portion of the spiral ice skate (10), and the square hole (12) is used for being connected with an output shaft of the speed reducer.

3. The evaporator assembly for an ice-making machine according to claim 2, wherein: the lower end of the spiral ice skate blade (10) is sleeved with a mechanical sealing element (17), and sealing is formed between the mechanical sealing element (17) and the inner wall of the inserting part (19).

4. The evaporator assembly for an ice-making machine according to claim 2, wherein: the outside of cartridge portion (19) is equipped with annular seal groove (20), the sealing ring is equipped with to seal groove (20) endotheca, form sealedly between the inner wall of sealing ring and inner tube (3).

5. The evaporator assembly for an ice-making machine according to claim 1, wherein: the lower end of the inner pipe (3) is fixedly connected with a flange (2), the flange (2) is fixedly installed on the base (1) through a bolt (15), and a sealing gasket is arranged between the flange (2) and the base (1).

6. The evaporator assembly for an ice-making machine according to claim 1, wherein: base (1) is cylindrical, and evenly distributed has mounting panel (13) around base (1), mounting panel (13) with base (1) integrated into one piece, and every mounting hole (14) have all been seted up on mounting panel (13).

7. The evaporator assembly for an ice-making machine according to claim 1, wherein: a plurality of ice outlet holes (9) are formed in the ice forming device (8), the cross sections of the ice outlet holes (9) are in a regular polygon shape, and the ice outlet holes (9) are uniformly distributed in an annular shape around the upper end part of the spiral ice skate blade (10).

8. The evaporator assembly for an ice-making machine according to claim 7, wherein: an ice pulling device (11) in threaded connection with the upper end of the spiral ice skate (10) is arranged above the ice forming device (8), the upper portion of the ice pulling device (11) is cylindrical, the bottom of the ice pulling device is inverted-cone-shaped, and two sets of ice cutting blades are oppositely arranged on the edge of the upper portion of the ice pulling device (11).

9. The evaporator assembly for an ice-making machine according to any of claims 1-8, wherein: the upper end and the lower end of the outer pipe (4) are both provided with bending parts (22) perpendicular to the outer wall of the inner pipe (3), and the bending parts (22) and the inner pipe (3) are sealed through welding.

10. An evaporator assembly for an ice-making machine according to any one of claims 1 to 8, wherein: the upper and lower ends of the outer pipe (4) are provided with a necking part (23) extending along the outer wall of the inner pipe (3), the inner wall of the necking part (23) is tightly attached to the outer wall of the inner pipe (3), and the necking part (23) and the inner pipe (3) are welded to form a seal.

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