Evaporator

Abstract

The evaporator comprises a shell, a shell opening is formed in the top end of the shell, a shell side wall is arranged in the middle of the shell, a shell bottom wall is arranged at the bottom end of the shell, and a shell cavity is defined by the shell opening, the shell side wall and the shell bottom wall; the side wall of the shell is sleeved with an evaporation shell, the inner wall of the evaporation shell is provided with a channel, the channel extends around the circumference direction of the evaporation shell and is distributed in a plurality of circles, the multiple circles of channels are distributed up and down, the two ends of each channel are provided with external ports respectively, and the opening side of each channel is matched with the outer side face of the side wall of the shell. According to the utility model, the structural design is reasonable, and as one side of the opening of the channel is matched with the outer side surface of the side wall of the shell, the contact between the cooling medium in the channel and the side wall of the shell is surface-to-surface contact, the contact area is increased, and the improvement of the refrigeration efficiency is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to evaporator technical field especially relates to an evaporator. BACKGROUND

[0002] The existing evaporator (such as the evaporator used on ice cream machine, snow melting machine) is all with round pipe winding on the shell, but the cross section of round pipe is circular, so the contact of round pipe and shell is usually line surface contact, thereby causing too small contact area, which is not conducive to the improvement of refrigeration efficiency. SUMMARY

[0003] The utility model discloses a kind of evaporators, to solve the contact of the round pipe and shell of the existing evaporator is usually line surface contact, thereby causing too small contact area, which is not conducive to the improvement of refrigeration efficiency technical problem.

[0004] To achieve the above object, the technical scheme of the utility model provides an evaporator, including shell, the top of the shell is equipped with shell opening, the middle part of the shell is equipped with shell side wall, the bottom of the shell is equipped with shell bottom wall, the shell opening is enclosed with the shell side wall, the shell bottom wall and form shell cavity;The shell side wall is sleeved with evaporation shell, the inner wall of the evaporation shell is equipped with passageway, the passageway extends distribution several rounds around the circumference direction of the evaporation shell, several rounds the passageway is distributed along up and down, and the two ends of the passageway are respectively equipped with external port, and the opening side of the passageway cooperates with the outer side of the shell side wall.

[0005] Further, the passageway between the two adjacent rounds has a barrier band, which extends along the path direction of the passageway.

[0006] Further, the outer side of the shell side wall is welded with the barrier band.

[0007] Further, the outer side of the shell side wall at the upper and lower ends is welded with the inner side of the evaporation shell at the upper and lower ends.

[0008] Further, the passageway is a semicircular groove.

[0009] Further, the closed side of the passageway protrudes to the outer side of the evaporation shell.

[0010] Further, the two external ports respectively pass through the front side wall and the rear side wall of the evaporation shell.

[0011] Further, the shape of the cross section of the evaporation shell is a racetrack circle, the shape of the cross section of the shell side wall is a racetrack circle, and the shape of the shell opening and the shell bottom wall is a racetrack circle.

[0012] Further, the front and rear side walls of the shell side wall are respectively plane side walls, the left and right side walls of the shell side wall are respectively curved side walls, the front and rear side walls of the evaporation shell are respectively plane side walls, and the left and right side walls of the evaporation shell are respectively curved side walls.

[0013] Further, the shell bottom wall is provided with a drain hole, the edge of the shell opening is provided with a plurality of outwardly protruding lugs, the plurality of lugs are sequentially distributed around the edge direction of the shell opening, and the lugs are provided with connecting holes.

[0014] In summary, the technical scheme of the utility model has the following beneficial effects: the utility model has reasonable structure design, (1) the shell is provided, the top end of the shell is provided with a shell opening, the middle part of the shell is provided with a shell side wall, the bottom end of the shell is provided with a shell bottom wall, and the shell opening, the shell side wall and the shell bottom wall enclose a shell cavity; thus, when the evaporator is applied, the items to be frozen can be pushed into the shell cavity from the shell opening.(2) the shell side wall is sleeved with an evaporation shell, the inner wall of the evaporation shell is provided with a channel, the channel extends and is distributed for several turns around the circumference direction of the evaporation shell, the several turns of the channel are distributed upwards and downwards, the two ends of the channel are respectively provided with external ports, and the opening side of the channel cooperates with the outer side of the shell side wall; thus, the two external ports can be connected with the external compressor and condenser respectively, and then a set of refrigeration system can be combined by the compressor, the condenser, the evaporation shell and the shell, and because the opening side of the channel cooperates with the outer side of the shell side wall, the cooling medium in the channel will be in surface contact with the shell side wall, the contact area is increased, and the refrigeration efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is the first perspective view of the utility model;

[0016] Figure 2 is the second perspective view of the utility model;

[0017] Figure 3 is the perspective view of the shell of the utility model;

[0018] Figure 4 is the perspective view of the evaporation shell of the utility model;

[0019] MARKS: shell (1), shell opening (101), shell side wall (102), shell bottom wall (103), shell cavity (104), drain hole (105), lug (106), connecting hole (107); evaporation shell (2), channel (201), external port (202), blocking belt (203), opening side (204), closed side (205). DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model, but do not constitute limitations on the protection scope of the utility model.

[0021] In the utility model, in order to describe more clearly, make the following explanation: the observer faces the attached Figure 1 The left side of the observer is set as left, the right side of the observer is set as right, the front of the observer is set as front, the back of the observer is set as back, the upper surface of the observer is set as upper, and the lower surface of the observer is set as lower. It should be pointed out that the terms "front end", "rear end", "left side", "right side", "middle", "upper", "lower" and the like in the specification indicate the orientation or positional relationship based on the attached drawings, and are only for the convenience of clearly describing the utility model, and are not indicative or suggestive of the structure or parts being indicated having a specific orientation or being constructed in a specific orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second", "third" and "fourth" are only for the purpose of clarity or simplification of description, and cannot be understood as indicative or suggestive of relative importance or quantity.

[0022] Referring to Figures 1 to 4 The embodiment provides an evaporator, including shell 1, the top end of shell 1 is equipped with shell opening 101, the middle part of shell 1 is equipped with shell side wall 102, the bottom end of shell 1 is equipped with shell bottom wall 103, shell opening 101 and shell side wall 102, shell bottom wall 103 are enclosed into shell cavity 104, shell side wall 102 is equipped with evaporation shell 2, the inner wall of evaporation shell 2 is equipped with passageway 201, passageway 201 extends distribution several rounds around the circumference direction of evaporation shell 2, several rounds passageway 201 distributes along up and down, the both ends of passageway 201 are equipped with external port 202 respectively, the opening side 204 of passageway 201 cooperates with the outside of shell side wall 102. Action: (1) by including shell, the top end of shell is equipped with shell opening, the middle part of shell is equipped with shell side wall, the bottom end of shell is equipped with shell bottom wall, shell opening and shell side wall, shell bottom wall are enclosed into shell cavity, so that the evaporator can be applied to the article needing freezing is pushed into shell cavity from shell opening. (2) by shell side wall is equipped with evaporation shell, the inner wall of evaporation shell is equipped with passageway, passageway extends distribution several rounds around the circumference direction of evaporation shell, several rounds passageway distributes along up and down, the both ends of passageway are equipped with external port respectively, the opening side of passageway cooperates with the outside of shell side wall, so that two external ports can be connected with external compressor, condenser respectively, and then a set of refrigeration system can be combined by using compressor, condenser, evaporation shell, shell, and because the opening side of passageway cooperates with the outside of shell side wall, therefore the contact between cooling medium in passageway and shell side wall is face contact, which increases the contact area, and is conducive to improving the refrigeration efficiency.

[0023] Specifically, the two adjacent two rounds of channels 201 have a barrier band 203, the barrier band 203 extends along the path direction of the channel 201. Effect: The setting of the barrier band 203 makes the cooling medium in the channel 201 move along the path direction of the channel 201, avoiding movement confusion.

[0024] Specifically, the outer side of the shell side wall 102 is welded with the barrier band 203. Effect: The welding not only makes the outer side of the shell side wall 102 contact closely with the barrier band 203, but also has good fixing effect.

[0025] Specifically, the outer side of the upper and lower ends of the shell side wall 102 is welded with the inner side of the upper and lower ends of the evaporation shell 2. Effect: The welding not only makes the outer side of the upper and lower ends of the shell side wall 102 contact closely with the inner side of the upper and lower ends of the barrier band 203, but also has good fixing effect.

[0026] Specifically, the channel 201 is a semicircular groove. Effect: The semicircular pipe can have good flow of the circular pipe and larger contact surface of the rectangular pipe.

[0027] Specifically, the closed side 205 of the channel 201 protrudes to the outer side of the evaporation shell 2. Effect: The protruding setting makes the evaporator consist of the outer layer (evaporation shell) and the inner layer (shell), and the outer layer is directly processed into a shape with a passage (channel with an open side), and then welded with the inner layer to form.

[0028] Specifically, the two external connection ports 202 respectively pass through the front side wall and the rear side wall of the evaporation shell 2. Effect: In this way, the two external connection ports 202 are respectively connected with the external compressor and condenser.

[0029] Specifically, the shape of the cross section of the evaporation shell 2 is a track circle, the shape of the cross section of the shell side wall 102 is a track circle, and the shape of the shell opening 101 and the shell bottom wall 103 is a track circle. Effect: The shape of the track circle takes into account that the shell side wall 102 and the evaporation shell 2 have a larger contact plane and a smaller transition curve, and better realizes the refrigeration effect.

[0030] Specifically, the front and rear side walls of the shell side wall 102 are respectively plane side walls, the left and right side walls of the shell side wall 102 are respectively curved side walls, the front and rear side walls of the evaporation shell 2 are respectively plane side walls, and the left and right side walls of the evaporation shell 2 are respectively curved side walls. Effect: The plane side wall is convenient for large-area face-to-face contact, and the curved side wall is convenient for transition contact. The plane side wall of the shell side wall 102 and the plane side wall of the evaporation shell 2 are in face-to-face contact, and the curved side wall of the shell side wall 102 and the curved side wall of the evaporation shell 2 are in face-to-face contact, so as to better contact and cooperate, have adaptability, and be convenient for refrigeration.

[0031] Specifically, the shell bottom wall 103 is provided with a drain hole 105, and the edge of the shell opening 101 is provided with a plurality of outwardly protruding lugs 106, which are sequentially distributed around the edge of the shell opening 101, and the lugs 106 are provided with connecting holes 107. Effect: the drain hole 105 can realize internal drainage of the shell cavity 104, and the connecting holes 107 on the lugs 106 can be screwed and fixed, thereby facilitating the installation and disassembly of the evaporator.

[0032] The evaporator application scenario of the utility model can be used on ice cream machines and ice melting machines.

[0033] The above is the preferred embodiment of the utility model, and it should be pointed out that for ordinary skilled persons in the technical field, without departing from the principle of the utility model, a number of improvements and refinements can be made, and these improvements and refinements are also considered within the protection scope of the utility model.

Claims

1. An evaporator comprising a housing (1), characterized in that: The top end of the shell (1) is provided with a shell opening (101), the middle part of the shell (1) is provided with a shell side wall (102), and the bottom end of the shell (1) is provided with a shell bottom wall (103). The shell opening (101), the shell side wall (102) and the shell bottom wall (103) form a shell cavity (104). The evaporation shell (2) is sleeved on the shell side wall (102). The inner wall of the evaporation shell (2) is provided with a channel (201). The channel (201) extends around the circumference of the evaporation shell (2) in several turns. The channel (201) is distributed in up and down directions. The two ends of the channel (201) are respectively provided with an external port (202). The opening side (204) of the channel (201) is matched with the outer side of the shell side wall (102).

2. The evaporator of claim 1, wherein: The barrier band (203) is distributed between the adjacent two turns of the channel (201) and extends along the path direction of the channel (201).

3. The evaporator of claim 2, wherein: The outer side of the shell side wall (102) is welded with the barrier band (203).

4. The evaporator of claim 1, wherein: The outer side of the upper and lower ends of the shell side wall (102) is welded with the inner side of the upper and lower ends of the evaporation shell (2).

5. The evaporator of claim 1, wherein: The channel (201) is a semicircular groove.

6. The evaporator of claim 1, wherein: The closed side (205) of the channel (201) protrudes outward from the outer side of the evaporation shell (2).

7. The evaporator of claim 1, wherein: The two external ports (202) respectively pass through the front side wall and the rear side wall of the evaporation shell (2).

8. An evaporator according to any one of claims 1 to 7, characterised in that: The cross section of the evaporation shell (2) is in the shape of a racetrack circle, the cross section of the shell side wall (102) is in the shape of a racetrack circle, and the shell opening (101) and the shell bottom wall (103) are in the shape of a racetrack circle.

9. The evaporator of claim 8, wherein: The front and rear side walls of the shell side wall (102) are respectively planar side walls, and the left and right side walls of the shell side wall (102) are respectively curved side walls. The front and rear side walls of the evaporation shell (2) are respectively planar side walls, and the left and right side walls of the evaporation shell (2) are respectively curved side walls.

10. An evaporator according to any one of claims 1 to 7, characterised in that: The shell bottom wall (103) is provided with a drain hole (105), the edge of the shell opening (101) is provided with a plurality of outward protruding lugs (106), and the lugs (106) are sequentially distributed around the edge direction of the shell opening (101). The lug (106) is provided with a connecting hole (107).

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