Sealing structure of fan for internal circulation disinfection cabinet

Abstract

The utility model discloses a sealing structure of a fan for an internal circulation disinfection cabinet, the fan is provided with a first shell and a second shell, the first shell and the second shell are combined in a first direction to form an air cavity inside, the first shell is provided with a first assembly surface, and the second shell is provided with a second assembly surface; one of the first assembling surface and the second assembling surface is provided with a raised line, and the other one is provided with a groove; after the first shell and the second shell are assembled, the first assembling face abuts against the second assembling face, the protruding strips are matched with the grooves in a clamped and embedded mode, and fluid in the air cavity is prevented from leaking out from the position between the first assembling face and the second assembling face. According to the utility model, the first shell and the second shell of the fan are improved, and the raised line and the groove are additionally arranged between the assembly surfaces of the first shell and the second shell, so that after the first shell and the second shell are assembled, under the matching of the raised line and the groove, air can be effectively prevented from flowing out from the space between the assembly surfaces of the first shell and the second shell, and the air sealing performance is good.

Description

TECHNICAL FIELD

[0001] The utility model relates to fan technical field, more specifically relates to the sealing structure of fan for internal circulation disinfection cabinet. BACKGROUND

[0002] Fan is a kind of equipment to push airflow to flow, fan generally includes: upper shell, lower shell and wind wheel, and wind wheel rotates and pushes airflow to flow.

[0003] Upper shell and lower shell are assembled and form wind cavity between the two, and the end faces of the two are abutted when upper shell and lower shell are combined, but upper shell and lower shell are prone to air leakage due to the following reasons:

[0004] 1, due to the reason of production process, the size of upper shell and lower shell does not match completely, and the end faces between the two are prone to gap after assembly, causing air leakage;

[0005] 2, upper shell and lower shell are assembled and fastened and limited by buckle or lock screw, and the fastening part of upper shell and lower shell is prone to slight deformation and causes gap, causing air leakage;

[0006] In order to solve the above problems, the applicant improves the prior art and proposes the following technical scheme. CONTENT OF UTILITY MODEL

[0007] Therefore, the utility model provides a sealing structure of fan for internal circulation disinfection cabinet.

[0008] In order to realize the above purpose, the utility model adopts the following technical scheme: the sealing structure of fan for internal circulation disinfection cabinet, the fan has first shell body and second shell body, the first shell body and second shell body form wind cavity inside after combination in first direction, the first shell body has first assembly surface, and the second shell body has second assembly surface;

[0009] One of the first assembly surface and second assembly surface is provided with convex strip, and the other is provided with recess groove;

[0010] The first assembly surface and second assembly surface are abutted after the first shell body and second shell body are assembled, and the convex strip and recess groove are engaged and matched, to prevent fluid in wind cavity from leaking out between the first assembly surface and second assembly surface.

[0011] As a preferred scheme of the utility model, the first assembly surface is provided with convex strip, the convex strip extends along the length direction of the first assembly surface, and the width of the convex strip is less than the width of the first assembly surface;

[0012] The second assembly surface is provided with recess groove, the recess groove extends along the length direction of the second assembly surface, and the width of the recess groove is less than the width of the second assembly surface.

[0013] As a preferred scheme of the utility model, the first assembly surface is provided with a groove, the groove extends along the length direction of the first assembly surface, and the width of the groove is less than the width of the first assembly surface.

[0014] The second assembly surface is provided with a convex strip, the convex strip extends along the length direction of the second assembly surface, and the width of the convex strip is less than the width of the second assembly surface.

[0015] As a preferred scheme of the utility model, the first assembly surface and the second assembly surface are opposite in the first direction.

[0016] As a preferred scheme of the utility model, the cross section of the convex strip is any one of arc, rectangle and triangle.

[0017] The groove and the convex strip are shape-adapted, and the groove is any one of arc, rectangle and triangle.

[0018] As a preferred scheme of the utility model, the first shell and the second shell are limited by at least one of buckle mode and screw locking mode.

[0019] As a preferred scheme of the utility model, the first shell and the second shell are limited by buckle mode, and one of the first shell and the second shell is provided with a hook, and the other is provided with a slot.

[0020] As a preferred scheme of the utility model, the second shell is provided with an air inlet.

[0021] According to the above technical scheme, compared with the prior art, the utility model has the following beneficial technical effects: the first shell and the second shell of the fan are improved, the convex strip and the groove are additionally arranged between the assembly surfaces of the two, after the assembly of the first shell and the second shell, under the cooperation of the convex strip and the groove, the gas can be effectively prevented from flowing out from between the assembly surfaces of the first shell and the second shell, and the sealing wind performance is good. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced below, and obviously, the drawings in the following description are only the embodiments of the utility model, and those skilled in the art can also obtain other drawings according to the provided drawings without creative labor.

[0023] Figure 1 It is a schematic view of the fan in the utility model;

[0024] Figure 2 It is an explosion view of the fan in the utility model;

[0025] Figure 3 It is a cross section schematic view of the fan in the utility model;

[0026] Figure 4 It is Figure 3 Enlargement of A in the middle;

[0027] Figure 5 It is a structure schematic view of the second shell in the utility model.

[0028] Explanation of reference signs

[0029] First shell 100; first assembly surface 110; convex strip 111; second shell 200; air inlet 201; air outlet 202; second assembly surface 210; recess 211; fan blade 310; motor 320. DETAILED DESCRIPTION

[0030] The application will now be described in further detail, by way of example, with reference to the accompanying drawings. These drawings are very simplified schematic views, and only show the basic structure of the application in a schematic manner, and therefore only show the components relevant to the application.

[0031] The sealing structure of the fan for the internal circulation disinfection cabinet, as shown in Figures 1-2 The fan has a first shell 100 and a second shell 200, and the first shell 100 and the second shell 200 form a wind cavity inside after being combined in a first direction.

[0032] Here, the first direction refers to the up-down direction.

[0033] The fan blade 310 and the motor 320 are also assembled in the wind cavity, the motor 320 drives the fan blade 310 to rotate, and then pushes the fluid to flow; the second shell 200 is provided with an air inlet 201, and the first shell 100 and the second shell 200 form an air outlet 202, and the fluid flows into the air inlet 201 and flows out of the air outlet 202. Figure 1 The arrows show the direction of air inlet and air outlet.

[0034] The first shell 100 and the second shell 200 are assembled in an up-down direction, the first shell 100 has a first assembly surface 110, and the second shell 200 has a second assembly surface 210;

[0035] One of the first assembly surface 110 and the second assembly surface 210 is provided with a convex strip, and the other is provided with a recess;

[0036] After the first shell 100 and the second shell 200 are assembled, the first assembly surface 110 and the second assembly surface 210 abut, and the convex strip and the recess are engaged, preventing the fluid in the wind cavity from leaking out between the first assembly surface 110 and the second assembly surface 210;

[0037] When the upper shell and the lower shell of the traditional fan are assembled, the contact is smooth surface, and the gap is formed between the contact surfaces of the upper shell and the lower shell due to process error after assembly, or the gap is formed between the contact surfaces due to slight deformation between the upper shell and the lower shell, the gap is a straight line gap, and air leakage is easy to occur;

[0038] As Figure 5 shown, the convex strip and the groove are matched, even if the first shell 100 and the second shell 200 have slight deformation, but the air outlet gap is not easy to form between the first assembly surface 110 and the second assembly surface 210, and air leakage is effectively prevented.

[0039] In one embodiment, the first assembly surface 110 is provided with a convex strip 111, the convex strip 111 extends along the length direction of the first assembly surface 110, and the width of the convex strip 111 is less than the width of the first assembly surface 110; the second assembly surface 210 is provided with a groove 211, the groove 211 extends along the length direction of the second assembly surface 210, and the width of the groove 211 is less than the width of the second assembly surface 210.

[0040] Alternatively, the first assembly surface 110 is provided with a groove, the groove extends along the length direction of the first assembly surface 110, and the width of the groove is less than the width of the first assembly surface 110;

[0041] The second assembly surface 210 is provided with a convex strip, the convex strip extends along the length direction of the second assembly surface 210, and the width of the convex strip is less than the width of the second assembly surface 210.

[0042] As Figure 5 shown, in the embodiment, the convex strip 111 is arranged on the first shell 100, and the groove 211 is arranged on the second shell 200.

[0043] The convex strip 111 can be arranged at the middle position of the first assembly surface 110, or close to one side of the first assembly surface 110; similarly, the groove 211 can be correspondingly arranged at the middle position of the second assembly surface 210, or close to one side of the second assembly surface 210;

[0044] In one embodiment, the cross section of the convex strip 111 is any one of arc, rectangle and triangle;

[0045] The groove 211 is matched with the convex strip 111 in shape, and the groove 211 is any one of arc, rectangle and triangle.

[0046] As Figure 5 shown, in the embodiment, the convex strip 111 is designed as a rectangle, and the groove 211 is also designed as a rectangle.

[0047] In one embodiment, the first shell 100 and the second shell 200 are limited by at least one of a snap-fit mode and a screw locking mode.

[0048] Specifically, the first shell 100 and the second shell 200 are limited by a snap-fit mode, one of the first shell 100 and the second shell 200 is provided with a hook, and the other is provided with a slot.

[0049] After the first shell 100 and the second shell 200 are buckled, they are further reinforced by screws.

[0050] The fan of the utility model has good sealing performance between the first shell 100 and the second shell 200, and effectively prevents gas from flowing out from between the first assembly surface 110 and the second assembly surface 210.

[0051] The above description of the disclosed embodiments enables those skilled in the art to implement or use the utility model. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the utility model. Therefore, the utility model will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A sealing structure of a fan for an internal circulation sterilization cabinet, the fan having a first casing (100) and a second casing (200), the first casing (100) and the second casing (200) combining in a first direction to form an air cavity inside, characterized in that: the first casing (100) has a first assembly surface (110), and the second casing (200) has a second assembly surface (210); one of the first assembly surface (110) and the second assembly surface (210) is provided with a protrusion, and the other is provided with a groove; after the first casing (100) and the second casing (200) are assembled, the first assembly surface (110) and the second assembly surface (210) abut, and the protrusion and the groove are engaged to prevent fluid in the air cavity from leaking out between the first assembly surface (110) and the second assembly surface (210). The first assembly surface (110) is provided with a protrusion (111) extending along the length direction of the first assembly surface (110), and the width of the protrusion (111) is less than the width of the first assembly surface (110); the second assembly surface (210) is provided with a groove (211) extending along the length direction of the second assembly surface (210), and the width of the groove (211) is less than the width of the second assembly surface (210). The first assembly surface (110) is provided with a groove extending along the length direction of the first assembly surface (110), and the width of the groove is less than the width of the first assembly surface (110); the second assembly surface (210) is provided with a protrusion extending along the length direction of the second assembly surface (210), and the width of the protrusion is less than the width of the second assembly surface (210). The first assembly surface (110) and the second assembly surface (210) are opposite in the first direction.

2. The sealing structure of the inner circulating fan for the sterilizing cabinet according to claim 1, characterized in that: The cross section of the protrusion is any one of an arc, a rectangle, and a triangle; the groove is shaped to match the protrusion, and is any one of an arc, a rectangle, and a triangle. The first casing (100) and the second casing (200) are limited in position by at least one of a buckle mode and a screw locking mode.

3. The sealing structure of the inner circulating sterilizer's fan according to claim 2, characterized in that: The first casing (100) and the second casing (200) are limited in position by the buckle mode, one of the first casing (100) and the second casing (200) is provided with a hook, and the other is provided with a slot. The second casing (200) is provided with an air inlet (201).

4. The sealing structure of the inner circulating sterilizer's fan according to claim 1, characterized in that: ​ 5. The sealing structure of the inner circulating sterilizer's fan according to claim 1, characterized in that: ​ ​ 6. The sealing structure of the inner circulating sterilizer's fan according to claim 1, characterized in that: ​ 7. The sealing structure of the inner circulating sterilizer's fan according to claim 6, characterized in that: ​ 8. The sealing structure of the inner circulating sterilizer's fan according to claim 1, wherein: ​

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