Impeller sealing cover

Abstract

The impeller sealing cover comprises a shell base, a sealing cover shell is arranged at the top of the shell base, a bottom end plate is fixedly connected to the position, close to the bottom, of the outer side of the shell base, a side end clamping plate is fixedly connected to the position, corresponding to the outer surface of the shell base, of the top of the bottom end plate, and a first limiting groove is formed in the center of the top of the shell base; a second limiting groove is formed in the position, corresponding to the bottom of the first limiting groove, of the interior of the shell base, a third limiting groove is formed in the position, corresponding to the bottom of the second limiting groove, of the interior of the shell base, and a groove is formed in the position, corresponding to the bottom of the third limiting groove, of the interior of the shell base. According to the impeller sealing cover, the clamping mode of the side end clamping plates and the clamping grooves is adopted, traditional fastening pieces such as bolts and nuts are replaced, rapid connection and separation between the sealing cover shell and the shell base are achieved, the disassembly and assembly process is greatly simplified through the tool-free disassembly and assembly design, the disassembly and assembly time is shortened, and the operation difficulty is lowered; and meanwhile, the difficulty in disassembly and assembly caused by the loss or damage of the fastener is also avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of sealing covers, in particular to an impeller sealing cover. Background Art

[0002] In the modern industrial field, the impeller is the core component of fluid machinery (such as pumps, fans, etc.), and its operating efficiency and stability are directly related to the performance of the entire equipment. In order to protect and support the impeller, a cover shell, i.e., the impeller cover, is usually installed on its outside.

[0003] The design of traditional impeller covers often includes numerous fasteners and connecting parts, such as bolts, nuts, etc. These parts need to be disassembled and installed one by one during the disassembly and assembly process, which is not only time-consuming but also complicated to operate. It is easy for parts to be damaged or lost due to improper operation. In addition, some compactly designed impeller covers have limited internal space, which further increases the difficulty of disassembly and assembly. Utility Model Content

[0004] The purpose of the utility model is to provide an impeller cover to solve the problem mentioned in the above background technology that the design of traditional impeller covers often includes numerous fasteners and connecting parts, such as bolts, nuts, etc. These parts need to be disassembled and installed one by one during the disassembly and assembly process, which is not only time-consuming but also complicated to operate and may easily lead to damage or loss of parts due to improper operation. In addition, some compactly designed impeller covers have limited internal space, which further increases the difficulty of disassembly and assembly.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an impeller cover comprises a shell seat, the top of the shell seat is provided with a cover shell, the bottom end plate is fixedly connected to the outer bottom position of the shell seat, the top of the bottom end plate is fixedly connected to the side end clamping plate corresponding to the outer surface of the shell seat, and the center of the top of the shell seat is provided with a limiting groove one, the bottom of the inner part of the shell seat corresponding to the limiting groove one is provided with a limiting groove three, the bottom of the inner part of the shell seat corresponding to the limiting groove three is provided with a groove, the top of the shell shell is fixedly connected to the limiting plate one at the outer side position, the bottom of the limiting plate one is fixedly connected to the limiting plate two, the bottom of the limiting plate two is fixedly connected to the limiting plate three, the fixing grooves are provided at the bottom positions on both sides of the limiting plate three, the bottom of the groove is fixedly connected to the bottom plate, and the two sides of the top of the bottom plate are fixedly connected to arc fixing plates.

[0006] Compared with the prior art, the beneficial effects of the utility model are:

[0007] The impeller cover adopts the clamping connection method of the side end clamping plate and the clamping groove to replace the traditional fasteners such as bolts and nuts, thereby realizing the quick connection and separation between the cover shell and the shell seat. This tool-free disassembly and assembly design greatly simplifies the disassembly and assembly process, reduces the disassembly and assembly time, and reduces the difficulty of operation. At the same time, it also avoids the difficulty of disassembly and assembly caused by the loss or damage of fasteners. The limiting plate one, the limiting plate two, and the limiting plate three are respectively clamped with the limiting groove one, the limiting groove two, and the limiting groove three in the shell seat, and the two arc-shaped fixing plates are respectively clamped into the fixing grooves on both sides of the limiting plate three, and the positioning buckle is accurately clamped with the positioning groove, so as to realize the precise positioning and fixation between the cover shell and the shell seat. This multi-layer limiting and positioning design improves the assembly accuracy and ensures the stability of the impeller cover when it runs at high speed or is subjected to external force. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] Figure 1 It is a schematic diagram of the structure of the utility model;

[0009] Figure 2 For this utility model Figure 1 A is a partial enlarged schematic diagram;

[0010] Figure 3 For this utility model Figure 1 A partial enlarged schematic diagram of B in the middle;

[0011] Figure 4 It is a three-dimensional diagram of the structure of the utility model.

[0012] In the figure: 1, shell base; 2, sealing shell; 3, mesh cover; 4, bottom plate; 5, side clamping plate; 6, limit slot one; 7, limit slot two; 8, limit slot three; 9, groove; 10, limit plate one; 11, limit plate two; 12, limit plate three; 13, sealing ring; 14, bottom plate; 15, positioning slot; 16, positioning buckle; 17, fixing slot; 18, arc-shaped fixing plate; 19, clamping slot. DETAILED DESCRIPTION

[0013] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0014] See also Figure 1-4The utility model provides a technical solution: an impeller sealing cover, comprising a shell seat 1, a sealing cover shell 2 is arranged on the top of the shell seat 1, a bottom end plate 4 is fixedly connected to the outer side of the shell seat 1 near the bottom, a side end clamping plate 5 is fixedly connected to the top of the bottom end plate 4 corresponding to the outer surface of the shell seat 1, a limiting groove 1 6 is provided at the center of the top of the shell seat 1, a limiting groove 2 7 is provided at the bottom corresponding to the limiting groove 1 6 inside the shell seat 1, a limiting groove 3 8 is provided at the bottom corresponding to the limiting groove 2 7 inside the shell seat 1, a groove 9 is provided at the bottom corresponding to the limiting groove 3 8 inside the shell seat 1, a limiting plate 10 is fixedly connected to the outer side of the top of the sealing cover shell 2, a limiting plate 2 11 is fixedly connected to the bottom of the limiting plate 10, a limiting plate 3 12 is fixedly connected to the bottom of the limiting plate 2 11, a fixing groove 17 is provided at the bottom of both sides of the limiting plate 3 12, a bottom of the groove 9 is fixedly connected to a bottom plate 14, and arc-shaped fixing plates 18 are fixedly connected to both sides of the top of the bottom plate 14.

[0015] A slot 19 is provided on the inner side of the bottom of the sealing shell 2 corresponding to the outer side of the shell base 1 , and the top of the side end clamping plate 5 passes through the inside of the slot 19 and is clamped with the slot 19 , thereby enhancing the connection stability between the sealing shell 2 and the shell base 1 .

[0016] The bottom of the limit plate 10 passes through the interior of the limit groove 1 6 and is clamped with the limit groove 1 6, the bottom of the limit plate 2 11 passes through the interior of the limit groove 2 7 and is clamped with the limit groove 2 7, the outer surface of the limit plate 2 11 is fixedly equipped with a sealing ring 13, the outer side of the sealing ring 13 contacts the inner wall of the limit groove 2 7, the bottom of the limit plate 3 12 passes through the limit groove 3 8 and extends to the inside of the groove 9, thereby realizing the precise positioning and fixation of the sealing shell 2 and the shell seat 1, a positioning groove 15 is provided at the center of the bottom of the limit plate 3 12, and a positioning buckle 16 is fixedly connected to the center of the top of the bottom plate 14, and the top of the positioning buckle 16 passes through the interior of the positioning groove 15 and is clamped with the positioning groove 15, thereby strengthening the connection strength between the sealing shell 2 and the shell seat 1, and at the same time simplifies the installation and disassembly process and improves the maintenance efficiency.

[0017] The tops of the two arc-shaped fixing plates 18 at opposite ends respectively penetrate into the interior of the two fixing grooves 17 and are engaged with the fixing grooves 17 , thereby increasing the supporting strength of the internal structure of the sealing shell 2 and fixing the limiting plate 3 12 .

[0018] A mesh cover 3 is fixedly installed inside the sealing shell 2 .

[0019] Working principle: During installation, place the sealing shell 2 above the shell seat 1, align the inner card slot 19 at the bottom of the sealing shell 2 with the side end card plate 5 outside the shell seat 1, and gently press down the sealing shell 2 to make the top of the side end card plate 5 pass through the inside of the card slot 19, so as to preliminarily realize the connection between the sealing shell 2 and the shell seat 1, and the limiting plate 1 10, limiting plate 2 11, and limiting plate 3 12 inside the sealing shell 2 correspond to the limiting groove 1 6 at the top of the shell seat 1, the limiting groove 2 7, and the limiting groove 3 8 inside the shell seat 1 for card connection, and in this process, the sealing ring 13 assembled on the outer surface of the limiting plate 2 11 It is in close contact with the inner wall of the limiting groove 2 7 to form a seal, and the limiting plate 3 12 continues to extend downward until its bottom enters the interior of the groove 9. At this time, the positioning groove 15 at the bottom of the limiting plate 3 12 is aligned with the positioning buckle 16 at the top of the bottom plate 14 in the groove 9 and clamped, thereby realizing the precise positioning and firm fixation of the sealing shell 2 and the shell seat 1. The limiting plate 3 12 pushes the two arc-shaped fixing plates 18 to both sides, so that the top of one side of the arc-shaped fixing plate 18 moves upward along the side of the limiting plate 3 12, and finally clamps with the fixing groove 17 to fix the limiting plate 3 12.

[0020] To sum up: the impeller cover, by adopting the clamping method of the side end clamping plate 5 and the clamping groove 19, replaces the traditional fasteners such as bolts and nuts, and realizes the quick connection and separation between the cover shell 2 and the shell seat 1. This tool-free disassembly and assembly design greatly simplifies the disassembly and assembly process, reduces the disassembly and assembly time, and reduces the difficulty of operation. At the same time, it also avoids the disassembly and assembly difficulties caused by the loss or damage of fasteners. The limit plate 10, the limit plate 2 11, and the limit plate 3 12 are respectively clamped with the limit groove 1 6, the limit groove 2 7, and the limit groove 3 8 in the shell seat 1, and the two arc-shaped fixing plates 18 are respectively clamped into the fixing grooves 17 on both sides of the limit plate 3 12, and the positioning buckle 16 is accurately clamped with the positioning groove 15, so as to realize the precise positioning and fixation between the cover shell 2 and the shell seat 1. This multi-layer limiting and positioning design improves the assembly accuracy and ensures the stability of the impeller cover when it runs at high speed or is subjected to external force.

[0021] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0022] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An impeller closure, comprising a housing seat (1), characterized in that: A sealing shell (2) is arranged on the top of the shell seat (1); a bottom end plate (4) is fixedly connected to the outer side of the shell seat (1) near the bottom; a side end clamping plate (5) is fixedly connected to the top of the bottom end plate (4) corresponding to the outer surface of the shell seat (1); a limiting groove (6) is provided at the center of the top of the shell seat (1); a limiting groove (7) is provided inside the shell seat (1) corresponding to the bottom of the limiting groove (6); a limiting groove (8) is provided inside the shell seat (1) corresponding to the bottom of the limiting groove (7); and a limiting groove (9) is provided inside the shell seat (1) corresponding to the bottom of the limiting groove (9). A groove (9) is provided at the bottom of the positioning groove three (8); a limiting plate one (10) is fixedly connected to the outer side of the top of the sealing shell (2); the bottom of the limiting plate one (10) is fixedly connected to the limiting plate two (11); the bottom of the limiting plate two (11) is fixedly connected to the limiting plate three (12); fixing grooves (17) are provided at the bottom of both sides of the limiting plate three (12); the bottom of the groove (9) is fixedly connected to the bottom plate (14); and arc-shaped fixing plates (18) are fixedly connected to both sides of the top of the bottom plate (14).

2. An impeller cover according to claim 1, characterized in that: A slot (19) is provided on the inner side of the bottom of the sealing shell (2) corresponding to the outer side of the shell seat (1), and the top of the side end clamping plate (5) penetrates into the inside of the slot (19) and is clamped with the slot (19).

3. The impeller cover according to claim 1, characterized in that: The bottom of the limiting plate 1 (10) penetrates into the interior of the limiting groove 1 (6) and is clamped with the limiting groove 1 (6).

4. The impeller cover according to claim 1, characterized in that: The bottom of the second limiting plate (11) penetrates into the interior of the second limiting groove (7) and is clamped with the second limiting groove (7). A sealing ring (13) is fixedly mounted on the outer surface of the second limiting plate (11), and the outer side of the sealing ring (13) contacts the inner wall of the second limiting groove (7).

5. The impeller cover according to claim 1, characterized in that: The bottom of the limiting plate three (12) passes through the limiting groove three (8) and extends to the inside of the groove (9); a positioning groove (15) is provided at the center of the bottom of the limiting plate three (12); a positioning buckle (16) is fixedly connected to the center of the top of the bottom plate (14); the top of the positioning buckle (16) passes through the inside of the positioning groove (15) and is snap-fitted with the positioning groove (15).

6. The impeller cover according to claim 1, characterized in that: The tops of the two arc-shaped fixing plates (18) at opposite ends respectively penetrate into the interiors of the two fixing grooves (17) and are clamped with the fixing grooves (17).

7. The impeller cover according to claim 1, characterized in that: A mesh cover (3) is fixedly installed inside the sealing shell (2).

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