Fan junction box and fan

Abstract

The utility model belongs to the technical field of fans, and particularly relates to a fan junction box and a fan. The fan junction box comprises a box body and a box cover, an opening is formed in the upper end of the box body, and a first protruding part is arranged on the upper end face of the box wall of the box body. The first lug boss is arranged around the opening of the box body; a first groove used for containing the first protruding part is formed in the lower end face of the box cover. A supporting structure is arranged on the box body and used for supporting the bottom face of the box body to be away from the surface of the panel by a preset distance. In other words, the matching surface of the box body and the box cover of the fan junction box adopts the labyrinth structure, so that rainwater can be prevented from entering the box body; the bottom surface of the box body can be lifted through the supporting structure to prevent water from entering the bottom of the box body due to unsmooth drainage of the mounting surface.

Description

TECHNICAL FIELD

[0001] The utility model belongs to fan technical field, concretely relates to a fan junction box and fan. BACKGROUND

[0002] The ordinary type axial flow fan can be used for ventilation and air exchange in general factory, warehouse, office, residence and other places, and also can be used for cold air machine (air cooler), evaporator, condenser, spray dust fall, etc., and also has mine axial flow fan, anticorrosion, explosion -proof type axial flow fan adopts anticorrosion material and explosion -proof measure, and matches explosion -proof motor, can be used for conveying explosive, volatile, with corrosive gas.

[0003] The line of axial flow fan generally needs to be connected through junction box. The junction box of prior art is three components fixed into an integral whole of box cover, sealing gasket and box seat, the bottom surface of box seat directly contacts with mounting surface, and sealing gasket is used to press and seal between upper box cover and lower box seat. The above structure has many shortcomings: when heavy rain, the poor drainage of mounting surface will cause the water to enter the junction box seat; if the sealing gasket between the box seat and the box cover is not installed in place, water will enter the junction box. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a fan junction box and fan to solve the technical problem of easy water entering the existing junction box structure.

[0005] The application provides a fan junction box for mounting on the panel of a fan, comprising a box body and a box cover.

[0006] The upper end of the box body is provided with an opening, and the upper end face of the box wall of the box body is provided with a first protruding part; the first protruding part is arranged around the opening of the box body.

[0007] The lower end face of the box cover is provided with a first groove for accommodating the first protruding part.

[0008] The box body is provided with a supporting structure for supporting the bottom surface of the box body away from the surface of the panel by a predetermined distance.

[0009] In an embodiment of the application, the lower end of the box cover is further provided with a cap for covering the outer periphery of the box wall of the box body.

[0010] In an embodiment of the application, the inner side of the box wall is provided with a plurality of first mounting columns.

[0011] The upper end of the first mounting column is provided with a first fixing hole.

[0012] The box cover is provided with a second fixing hole corresponding to the first fixing hole.

[0013] In an embodiment of the present application, the first protruding part is located on the side of the upper end of the first fixing hole facing the inside of the box body.

[0014] A second protruding part is arranged on the side of the upper end of the first fixing hole.

[0015] A second recess is arranged on the lower end surface of the box cover for accommodating the second protruding part.

[0016] In an embodiment of the present application, a plurality of wire outlet holes are arranged on the side wall of the box body.

[0017] A wire lock head is arranged in the wire outlet hole.

[0018] In an embodiment of the present application, the support structure comprises a plurality of support plates.

[0019] In an embodiment of the present application, at least part of the plurality of support plates is provided with a support column.

[0020] In an embodiment of the present application, a third mounting hole is arranged in at least one support column.

[0021] Correspondingly, the present application provides a fan, comprising: a wind drum and a panel.

[0022] The fan junction box as described above is mounted on the panel.

[0023] In an embodiment of the present application, the outer side of the panel is provided with a turned edge.

[0024] The distance from the bottom surface of the box body of the fan junction box to the surface of the panel is not less than the height of the turned edge.

[0025] The beneficial effects of the present application are:

[0026] Different from the prior art, the present application provides a fan junction box. The fan junction box comprises: a box body and a box cover; the upper end of the box body is provided with an opening, and the upper end surface of the box wall of the box body is provided with a first protruding part; the first protruding part is arranged around the opening of the box body; the lower end surface of the box cover is provided with a first recess for accommodating the first protruding part; and the box body is provided with a support structure for supporting the bottom surface of the box body away from the surface of the panel by a predetermined distance. In other words, the box body and the box cover cooperation surface of the fan junction box of the present application adopt a labyrinth structure, which can prevent rainwater from entering the box body; through the support structure, the bottom surface of the box body can be lifted to prevent water from entering the bottom of the box body due to poor drainage of the installation surface.

[0027] The other features and advantages of the present application will be described in the following description and become apparent from the description, or can be learned from practice of the present application. The objectives and other advantages of the present application can be achieved and obtained by means of the structures particularly pointed out in the description and the accompanying drawings.

[0028] In order to make the above objectives, features and advantages of the present application more apparent, the following preferred embodiments are specifically described, and the accompanying drawings are referred to for detailed description. BRIEF DESCRIPTION OF DRAWINGS

[0029] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiments or the prior art description. Obviously, the drawings described below are some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor based on these drawings.

[0030] Figure 1 is a perspective view of the fan junction box of the present application;

[0031] Figure 2 is a perspective view of the box cover of the present application;

[0032] Figure 3 is a schematic view of the box body of the present application;

[0033] Figure 4 is a matching schematic view of the box cover and the box body of the present application;

[0034] Figure 5 is a bottom perspective view of the fan junction box of the present application;

[0035] Figure 6 is a schematic view of the fan of the present application;

[0036] Figure 7 is an assembly schematic view of the fan junction box and the panel of the present application.

[0037] In the drawings:

[0038] Box body 1, first protruding part 11, first mounting column 12, first fixing hole 13, second protruding part 14, wire outlet hole 15, junction lock head 16, box cover 2, first recess 21, second fixing hole 22, second recess 23, cap 24, support structure 3, support plate 31, support column 32, third mounting hole 33, air duct 100, panel 200, flange 201, fan junction box 300. DETAILED DESCRIPTION

[0039] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme of the utility model will be described clearly and completely in combination with the drawings below, obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without making creative labor belong to the protection scope of the utility model.

[0040] The application provides a fan junction box and a fan, which are described in detail below. It should be noted that the description order of the following embodiments is not limited as the preferred order of the embodiments of the application. Moreover, the description of each embodiment in the following embodiments has its own emphasis, and the parts not described in detail in a certain embodiment can be referred to the related description of other embodiments.

[0041] Referring to Figures 1 to 4 In an embodiment, the fan junction box comprises a box body 1 and a box cover 2; the upper end of the box body 1 is provided with an opening, and the upper end face of the box wall of the box body 1 is provided with a first protruding part 11; the first protruding part 11 is arranged around the opening of the box body 1; the lower end face of the box cover 2 is provided with a first groove 21 for accommodating the first protruding part 11; and the box body 1 is provided with a supporting structure 3 for supporting the bottom face of the box body 1 away from the surface of the panel 200 by a preset distance.

[0042] In the embodiment, the first protruding part 11 can be a closed loop extending around the opening of the box body 1. The first protruding part 11 can prevent rainwater from entering the box body 1 from the upper end face of the box wall; and the supporting structure 3 can lift the height of the box body 1 to prevent rainwater from entering the box body 1 from the bottom of the box body 1 when the panel 200 of the fan is not drained well.

[0043] Further, the lower end of the box cover 2 is further provided with a cap 24 for covering the outer periphery of the box wall of the box body 1. The rainwater on the top of the box cover 2 can flow down along the cap 24 to prevent the rainwater from entering the upper end face of the box wall of the box body 1.

[0044] Referring to Figure 2 and Figure 3 As an optional fixing mode of the box body 1 and the box cover 2, the inner side of the box wall is provided with a plurality of first mounting columns 12; the upper end of the first mounting column 12 is provided with a first fixing hole 13; and the box cover 2 is provided with a second fixing hole 22 corresponding to the first fixing hole 13 one by one. Optionally, the first mounting column 12 and the box cover 2 can be connected by passing the second fixing hole 22 into the first fixing hole 13 and tightening.

[0045] Further, in order to prevent rainwater from entering the box body 1 through the second fixing hole 22, the first protruding part 11 is arranged on the side of the first fixing hole 13 facing the inside of the box body 1, which can block the rainwater flowing through the second fixing hole 22.

[0046] In addition, in order to facilitate the assembly of the box body 1 and the box cover 2, the box body 1 and the box cover 2 are pre-connected, so that the fixing member can be inserted into the first fixing hole 13 and the second fixing hole 22. The upper end of the first fixing hole 13 is provided with a second protruding part 14, and the lower end surface of the box cover 2 is provided with a second recess 23 for accommodating the second protruding part 14. In this way, before the fixing member is connected, the box body 1 and the box cover 2 can be pre-assembled, and the second protruding part 14 is inserted into the second recess 23.

[0047] Optionally, referring to Figure 3 , the side wall of the box body 1 is provided with a plurality of wire outlet holes 15; the wire outlet hole 15 is provided with a wire lock head 16.

[0048] Referring to Figure 5 , optionally, the support structure 3 includes a plurality of support plates 31. The plurality of support plates 31 can form a ring shape, and the support is more stable. The plurality of support plates 31 can be arranged at intervals, and the gap therebetween facilitates drainage.

[0049] In order to improve the support strength of the support plate 31, at least part of the plurality of support plates 31 is provided with a support column 32.

[0050] Optionally, in order to facilitate the assembly of the box body 1 and the panel 200, at least one support column 32 is provided with a third mounting hole 33. Optionally, the fixing member can be screwed into the third mounting hole 33 through the fixing hole on the panel 200, so as to fix the box body 1 on the panel 200.

[0051] Referring to Figure 6 , on the basis of the above embodiment, an embodiment of the present application further provides a fan, which comprises: a wind drum 100 and a panel 200; the panel 200 is provided with a fan junction box 300 as described above.

[0052] Referring to Figure 7 , preferably, the outer side of the panel 200 is provided with a turned edge 201; the distance from the bottom surface of the box body 1 of the fan junction box 300 to the surface of the panel 200 is not less than the height of the turned edge 201. Thus, the accumulated water on the panel 200 inside the turned edge 201 can be prevented from entering the fan junction box 300.

[0053] In summary, the maze-like structure of the mating surfaces of the fan junction box body and lid of this utility model prevents rainwater from entering the box body. A support structure elevates the bottom of the box body, preventing water from entering the bottom of the box body due to poor drainage from the mounting surface. This simple structure improves safety and protection levels, simplifies the installation process, saves time and labor, and improves product production efficiency. The sealed structure eliminates various problems caused by creepage distance, reduces product costs, and improves production efficiency.

[0054] It should be noted that the various devices selected in this application (components whose specific structures are not specified) are all universal standard parts or components known to technical personnel in this field, and their structures and principles can be known to technical personnel through technical manuals or through conventional experimental methods.

[0055] In the description of the embodiments of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection.

[0056] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating positions or relationships, are based on the positions or relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0057] Based on the above-mentioned ideal embodiment of the present invention, and in accordance with the above description, relevant personnel can make various changes and modifications without departing from the technical scope of the present invention. The technical scope of the present invention is not limited to the content of the specification, but must be determined according to the scope of the claims.

Claims

1. A fan junction box for mounting on a faceplate (200) of a fan, characterized in that, The utility model relates to a kind of fan terminal box, including: Box body (1) and box cover (2); The upper end of the box body (1) is provided with an opening, and the upper end face of the box wall of the box body (1) is provided with a first protruding part (11);The first protruding part (11) is arranged around the opening of the box body (1); The lower end face of the box cover (2) is provided with a first groove (21) for accommodating the first protruding part (11);And Supporting structure (3) is provided on the box body (1), for supporting the bottom surface of the box body (1) to be away from the surface of panel (200) by a predetermined distance.

2. The fan terminal box according to claim 1, wherein The lower end of the box cover (2) is further provided with a cap (24) for covering the outer periphery of the box wall of the box body (1).

3. The fan terminal box according to claim 1, wherein The inner side of the box wall is provided with a plurality of first mounting columns (12); The upper end of the first mounting column (12) is provided with a first fixing hole (13); The box cover (2) is provided with a second fixing hole (22) corresponding to the first fixing hole (13).

4. The fan terminal box according to claim 3, wherein The first protruding part (11) is located on the side of the first fixing hole (13) facing the inside of the box body (1); The upper end side of the first fixing hole (13) is provided with a second protruding part (14); The lower end face of the box cover (2) is provided with a second groove (23) for accommodating the second protruding part (14).

5. The fan terminal box according to claim 1, wherein The side wall of the box body (1) is provided with a plurality of wire outlet holes (15); The wire outlet hole (15) is provided with a wire lock head (16) inside.

6. The fan terminal box according to claim 1, wherein The supporting structure (3) comprises a plurality of supporting plates (31).

7. The fan terminal box according to claim 6, wherein At least part of the plurality of supporting plates (31) is provided with a supporting column (32).

8. The fan terminal box according to claim 7, wherein At least one supporting column (32) is provided with a third mounting hole (33) inside.

9. A fan, characterized by The utility model relates to a kind of fan, including: Duct (100) and panel (200); The panel (200) is provided with the fan terminal box (300) as claimed in any one of claims 1-8.

10. The fan according to claim 9, wherein The outer side of the panel (200) is provided with a turn-up (201); The distance from the bottom surface of the box body (1) of the fan terminal box (300) to the surface of the panel (200) is not less than the height of the turn-up (201).

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