Wear-resistant structure of fan volute

Abstract

The utility model discloses a wear-resistant structure of a fan volute. The wear-resistant structure comprises a volute and a wear-resistant layer mounted on the volute, a barrier strip is arranged on the inner wall of the volute, a clamping groove is formed between the barrier strip and the inner wall of the volute, and the lower end of the wear-resistant layer is embedded in the clamping groove; the wear-resistant layer comprises an annular plate with an opening, a long flat plate arranged at one end of the annular plate, a transition arc-shaped plate arranged at the other end of the annular plate and a short flat plate arranged on the transition arc-shaped plate, and the long flat plate and the short flat plate are respectively fixed on the volute. The wear-resistant layer is independently mounted on the inner wall of the volute in a clamping and embedding and bolt manner, so that the wear-resistant volute is convenient to detach, mount and replace and low in cost.

Description

Technical Field

[0001] The utility model relates to a fan, in particular to a wear-resistant structure of a volute of the fan. Background Art

[0002] When the fan is conveying materials, the materials will contact the inner wall of the volute and rub against the volute, so the volute is required to have wear-resistant properties. If all wear-resistant materials are used, the cost is high, the processing is difficult, the process is complex, and the requirements are high. Once worn, a new volute needs to be replaced. If all non-wear-resistant materials are used, the service life is short. Utility Model Content

[0003] In order to solve the defects of the above-mentioned prior art, the utility model provides a fan volute wear-resistant structure. The utility model installs the wear-resistant layer on the inner wall of the volute in an independent manner, and adopts the form of card embedding and bolt installation, which is easy to disassemble and install, easy to replace, and low cost.

[0004] In order to achieve the above technical purpose, the utility model adopts the following technical solution: a fan volute wear-resistant structure, comprising a volute and a wear-resistant layer installed on the volute;

[0005] The inner wall of the volute is provided with a baffle, a slot is formed between the baffle and the inner wall of the volute, and the lower end of the wear-resistant layer is embedded in the slot;

[0006] The wear-resistant layer includes a circular plate with a notch, a long flat plate arranged at one end of the circular plate, a transition arc plate arranged at the other end of the circular plate, and a short flat plate arranged at the transition arc plate. The long flat plate and the short flat plate are respectively fixed on the volute.

[0007] Furthermore, the volute is a volute structure, both sides of the volute air outlet are provided with fixing holes, the long plate and the short plate are provided with mounting holes, and the mounting holes are fixed to the fixing holes by bolts.

[0008] Furthermore, the mounting hole is a waist-shaped hole.

[0009] Furthermore, the upper ends of the circular plate, the long flat plate and the short flat plate are all provided with clamping blocks, and the clamping blocks are used to be clamped in the clamping holes of the partition.

[0010] In summary, the utility model has achieved the following technical effects:

[0011] The utility model provides a detachable wear-resistant layer on the inner wall of the volute, which is easy to replace. After the volute is worn, it is not necessary to replace the volute, but only the wear-resistant layer, which is low in cost.

[0012] The utility model installs the wear-resistant layer in the form of card embedding and bolts, which is convenient for installation and disassembly and simple to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of a wear-resistant structure of a fan volute provided by an embodiment of the utility model;

[0014] Figure 2 It is a schematic diagram of the volute;

[0015] Figure 3 It is a schematic diagram of the wear-resistant layer. DETAILED DESCRIPTION

[0016] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0017] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed, but such modifications are protected by patent law as long as they are within the scope of the claims of the present invention.

[0018] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0019] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0020] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0021] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0022] Example:

[0023] Figure 1 The present invention is a schematic diagram of a wear-resistant structure of a fan volute, comprising a volute 1 and a wear-resistant layer 2 installed on the volute 1;

[0024] Figure 2 1 is a schematic diagram of a volute, wherein the volute 1 is a volute structure, a stop bar 101 is provided on the inner wall of the volute 1, a slot 102 is formed between the stop bar 101 and the inner wall of the volute 1, and the lower end of the wear-resistant layer 2 is embedded in the slot 102 for positioning the wear-resistant layer. The wear-resistant layer of the utility model is installed in a replaceable manner, which is convenient for disassembly and replacement.

[0025] Figure 3 Schematic diagram of the wear-resistant layer, the wear-resistant layer 2 comprises a circular plate 201 with a notch, a long flat plate 202 arranged at one end of the circular plate 201, a transition arc plate 203 arranged at the other end of the circular plate 201, and a short flat plate 204 arranged at the transition arc plate 203, and the long flat plate 202 and the short flat plate 204 are respectively fixed on the volute 1. The wear-resistant layer 2 forms a volute shape with the same shape as the volute 1, the circular plate is the position for installing the impeller, and the long and short flat plates are the air outlet positions. The transition plate 203 can make the wear-resistant layer more rounded, which is conducive to wind guidance.

[0026] like Figure 2 As shown, both sides of the air outlet of the volute 1 are provided with fixing holes 103. Figure 3 As shown, the long plate 202 and the short plate 204 are both provided with mounting holes 205, and the mounting holes 205 are provided with bolts 3 ( Figure 1 The lower end of the wear-resistant layer is installed in a card-embedded form, and the two ends of the wear-resistant layer are installed in a bolted form to ensure stable installation, no deformation, and no influence on wind output. The card-embedded and bolted forms enable the wear-resistant layer to be disassembled, and when the wear-resistant layer needs to be replaced, it is convenient to disassemble and replace.

[0027] The mounting hole 205 is a waist-shaped hole, which is convenient for installation.

[0028] like Figure 3 As shown, the upper ends of the circular plate 201, the long flat plate 202 and the short flat plate 204 are all provided with a clamping block 206, and the clamping block 206 is used to clamp into the clamping hole of the partition (not shown) to limit the wear-resistant layer at the upper end of the wear-resistant layer to further ensure the stability of the wear-resistant layer.

[0029] The above description is only a preferred implementation mode of the present invention, and does not limit the present invention in any form. Any simple modification, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention are within the scope of the technical solution of the present invention.

Claims

1. A fan volute wear-resistant structure, characterized in that: It comprises a volute (1) and a wear-resistant layer (2) installed on the volute (1); The inner wall of the volute (1) is provided with a retaining strip (101), a groove (102) is formed between the retaining strip (101) and the inner wall of the volute (1), and the lower end of the wear-resistant layer (2) is embedded in the groove (102); The wear-resistant layer (2) comprises a circular plate (201) with a notch, a long flat plate (202) arranged at one end of the circular plate (201), a transition arc plate (203) arranged at the other end of the circular plate (201), and a short flat plate (204) arranged on the transition arc plate (203), wherein the long flat plate (202) and the short flat plate (204) are respectively fixed on the volute (1).

2. A fan volute wear-resistant structure according to claim 1, characterized in that: The volute (1) is a volute structure, and both sides of the air outlet of the volute (1) are provided with fixing holes (103), and both the long plate (202) and the short plate (204) are provided with mounting holes (205), and the mounting holes (205) are fixed to the fixing holes (103) by means of bolts (3).

3. A fan volute wear-resistant structure according to claim 2, characterized in that: The mounting hole (205) is a waist-shaped hole.

4. The wear-resistant structure of a fan volute according to claim 1, characterized in that: The upper ends of the circular plate (201), the long flat plate (202) and the short flat plate (204) are all provided with clamping blocks (206), and the clamping blocks (206) are used to be clamped in the clamping holes of the partition.

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