A vacuum pump cover plug-in assembly structure

Abstract

This utility model relates to the field of vacuum pump technology, specifically to an insert-type assembly structure for a vacuum pump cover, including a pump end cover and a pump body. An impeller is installed inside the pump body. The pump end cover is fixedly connected to a pump cover platform. Grooves are provided on both sides of the pump end cover, and these grooves engage with side insertion ports on the pump cover. A second insertion boss is provided on the inner side of the end cover platform, and an installation boss is provided on the outer side of the pump body. Fixed side cones are provided at both ends of the impeller, and a first insertion boss is provided on the outer side of each fixed side cone. The first insertion boss connects to an insertion transmission plate. This utility model offers convenient assembly; the insert-type structure, combined with a tapered guide surface, enables blind installation and positioning; the locking mechanism of the insertion plate reduces the number of bolts; reliable sealing; and a double-seal design effectively prevents leakage under high pressure differential conditions. Maintenance is efficient, as it allows for quick disassembly and assembly without the need for special tools, reducing maintenance costs.

Description

Technical Field

[0001] This utility model relates to the field of vacuum pump technology, specifically to an insert-type assembly structure for a vacuum pump cover. Background Technology

[0002] Existing vacuum pump covers mostly use bolt fastening or flange connection, which has problems such as low assembly efficiency, inconvenient disassembly and maintenance, and decreased sealing performance after long-term use. There is a need for a connection method that is simple in structure and reliable in sealing. Utility Model Content

[0003] To achieve the above objectives, this utility model provides the following technical solution: A vacuum pump cover insertion assembly structure includes a pump end cover and a pump body. An impeller is installed inside the pump body. The pump end cover is fixedly connected to the pump cover platform. Grooves are provided on both sides of the pump end cover. The grooves of the pump end cover are connected to the side insertion ports of the pump cover. A second insertion boss is provided on the inner side of the end cover platform. An installation boss is provided on the outer side of the pump body. Fixed side cones are provided at both ends of the impeller. A first insertion boss is provided on the outer side of the fixed side cones. The first insertion boss is connected to an insertion transmission plate.

[0004] Preferably, the pump end cover and the pump cover platform are connected by a pump cover side insert plate, and the mounting boss is bolted to the end cover platform.

[0005] Preferably, the fixed side cone is connected to the impeller, the plug-in transmission plate is a movable plate, and the plug-in transmission plate is connected to the inner side of the pump cover platform.

[0006] Preferably, the first insertion boss is installed between the insertion transmission plate and the pump cover platform, and the first insertion boss is connected to the insertion transmission plate and the pump cover platform.

[0007] Preferably, the second insertion boss is connected to the pump body, the other end of the second insertion boss is connected to the pump cover platform, and the pump body is fixedly connected to the mounting boss.

[0008] Compared with the prior art, the present invention has the following beneficial effects: 1. Easy assembly: The insert-type structure combined with the tapered guide surface enables blind installation and positioning, and the plug-in plate locking reduces the number of bolts; 2. Reliable sealing: The dual-seal design effectively prevents leakage under high pressure differential conditions; 3. Highly efficient maintenance: It can be quickly disassembled and assembled without special tools, reducing maintenance costs. Attached Figure Description

[0009] Figure 1 This is a cross-sectional view of the present invention; Figure 2 for Figure 1 A magnified view of part A in the image.

[0010] Figure reference numerals: 1. Pump end cover; 2. Pump body; 3. First insertion boss; 4. Impeller; 5. Pump cover side plate; 6. Pump cover platform; 7. Second insertion boss; 8. Mounting boss; 9. Insertion transmission plate; 10. Fixed side cone. Detailed Implementation

[0011] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0012] like Figure 1-2 As shown, a vacuum pump cover insertion assembly structure includes a pump end cover 1 and a pump body 2. An impeller 4 is disposed inside the pump body 2. The pump end cover 1 is fixedly connected to the pump cover platform 6. Grooves are provided on both sides of the pump end cover 1. The grooves of the pump end cover 1 are connected to the side insertion port 5 of the pump cover. A second insertion boss 7 is provided on the inner side of the end cover platform 6. An installation boss 8 is provided on the outer side of the pump body 2. Fixed side cones 10 are provided at both ends of the impeller 4. A first insertion boss 3 is provided on the outer side of the fixed side cones 10. The first insertion boss 3 is connected to the insertion transmission plate 9.

[0013] The pump end cover 1 and the pump cover platform 6 are connected by the pump cover side insert plate 5, and the mounting boss 8 is bolted to the end cover platform 6; the fixed side cone 10 is connected to the impeller 4; the insert transmission plate 9 is a movable plate and is connected to the inner side of the pump cover platform 6; the first insert boss 3 is installed between the insert transmission plate 9 and the pump cover platform 6, and is connected to the insert transmission plate 9 and the pump cover platform 6; the second insert boss 7 is connected to the pump body 2, and the other end of the second insert boss 7 is connected to the pump cover platform 6; the pump body 2 is fixedly connected to the mounting boss 8.

[0014] During installation, the pump end cover 1 is connected and fixed to the pump cover platform 6 via the pump cover side insert plate 5. The second insertion boss 7 is fitted onto the outside of the pump body 2, and the other side of the second insertion boss 7 is connected to the pump cover platform 6. The fixed side cone 10 is placed inside the pump cover platform 6, and the first insertion boss 3 around the fixed side cone 10 is connected to the pump cover platform 6. Then, one end of the insertion transmission plate 9 is connected to the first insertion boss 3, and the other end of the insertion transmission plate 9 is connected to the pump cover platform 6. Finally, the threads are tightened by the mounting boss 8.

[0015] In the description of this utility model, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0016] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a communication connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0017] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A vacuum pump cover insertion assembly structure, comprising a pump end cover (1) and a pump body (2), wherein an impeller (4) is disposed inside the pump body (2), characterized in that: The pump end cover (1) is fixedly connected to the pump cover platform (6). The pump end cover (1) has grooves on both sides. The grooves of the pump end cover (1) are connected to the pump cover side insert plate (5). The end cover platform (6) has a second insertion boss (7) on the inner side. The pump body (2) has an installation boss (8) on the outer side. The impeller (4) has a fixed side cone (10) on both ends. The fixed side cone (10) has a first insertion boss (3) on the outer side. The first insertion boss (3) is connected to the insertion transmission plate (9).

2. The vacuum pump cover insertion assembly structure according to claim 1, characterized in that: The pump end cover (1) and the pump cover platform (6) are connected by the pump cover side insert plate (5), and the mounting boss (8) is bolted to the end cover platform (6).

3. The vacuum pump cover insertion assembly structure according to claim 1, characterized in that: The fixed side vertebra (10) is connected to the impeller (4), and the insertion transmission plate (9) is a movable plate. The insertion transmission plate (9) is connected to the inner side of the pump cover platform (6).

4. The vacuum pump cover insertion assembly structure according to claim 1, characterized in that: The first insertion boss (3) is installed between the insertion transmission plate (9) and the pump cover platform (6), and the first insertion boss (3) is connected to the insertion transmission plate (9) and the pump cover platform (6).

5. The vacuum pump cover insertion assembly structure according to claim 1, characterized in that: The second insertion boss (7) is connected to the pump body (2), and the other end of the second insertion boss (7) is connected to the pump cover platform (6). The pump body (2) is fixedly connected to the mounting boss (8).

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