Vacuum pump cooling mechanism

Abstract

The utility model provides a kind of vacuum pump cooling mechanism, including rotor chamber, its both ends are open, and the outer surface of rotor chamber is equipped with two symmetrical arrangement air outlet, and the outer surface top of rotor chamber is equipped with air inlet;The rotor chamber is equipped with rotor cavity, and the channel for circulating cooling water is formed between rotor cavity and the inner wall of rotor chamber, and the both ends of rotor cavity are equipped with the rim that is connected with the fixed rotor cavity, and the rim is installed in the rotor chamber, and the air inlet, air outlet are all through channel and with the inside space of rotor chamber is communicated;One side of the air outlet is equipped with water inlet pipe, and the water inlet pipe is connected with the fixed rotor chamber, and the water inlet pipe is connected with channel;The outer surface top of rotor chamber is equipped with return pipe, and the return pipe is connected with channel, and the utility model has the following beneficial effects: reduce the production difficulty and processing cost of rotor chamber.

Description

Technical Field

[0001] This utility model is a vacuum pump cooling mechanism, belonging to the field of vacuum pumps. Background Technology

[0002] Vacuum pump cooling is a crucial aspect of ensuring efficient equipment operation and extending service life. Its core lies in controlling the pump body temperature through heat exchange to prevent performance degradation and malfunctions caused by overheating. As an important type of vacuum pump, the rotor chamber is one of its core components. To reduce the impact of compression heat on the pump body, a spiral water channel is typically designed within the rotor chamber to provide a flow path for cooling water, allowing the cooling water to cool the rotor chamber as it flows through the spiral water channel. However, this spiral water channel structure is complex, requiring precision casting or CNC milling processes during manufacturing. This not only demands high equipment precision but also necessitates multiple clamping and adjustment operations, resulting in a cumbersome and difficult machining process for rotor chambers with spiral water channels, significantly increasing manufacturing costs. Utility Model Content

[0003] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a vacuum pump cooling mechanism to solve the problems mentioned in the background technology. This utility model reduces the production difficulty and processing cost of the rotor chamber.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a vacuum pump cooling mechanism, comprising:

[0005] The rotor chamber has two open ends, and two symmetrically arranged air outlets are installed on the outer surface of the rotor chamber. An air inlet is installed on the top of the outer surface of the rotor chamber.

[0006] The rotor chamber is provided in the rotor chamber. Both ends of the rotor chamber are open. A channel for cooling water to flow is formed between the rotor chamber and the inner wall of the rotor chamber. Both ends of the rotor chamber are fitted with a side ring that is connected and fixed to the rotor chamber. The side ring is installed in the rotor chamber. The air inlet and air outlet both pass through the channel and communicate with the internal space of the rotor chamber.

[0007] A water inlet pipe is provided on one side of the air outlet. The water inlet pipe is fixedly connected to the rotor chamber and is connected to the channel.

[0008] A return water pipe is installed on the top of the outdoor surface of the rotor, and the return water pipe is connected to the channel.

[0009] Furthermore, the rotor cavity has a figure-eight cross-section, and the side ring and the rotor cavity are integrally formed.

[0010] Furthermore, multiple first protrusions are equidistantly installed on the outer surface of the rotor cavity away from the air inlet. The end of the first protrusion away from the rotor cavity is in contact with the inner wall of the rotor cavity. Multiple rows of second protrusions are uniformly installed on the outer surface of the rotor cavity. The end of the second protrusion away from the rotor cavity is in contact with the inner wall of the rotor cavity.

[0011] Furthermore, two symmetrically arranged first air ports are provided on the outer surface of the rotor cavity. The end of the air outlet near the rotor cavity is arranged concentrically with the first air port. A second air port is provided on the top of the rotor cavity. The end of the air inlet near the rotor cavity is arranged concentrically with the second air port.

[0012] Furthermore, a first sealing ring is installed at the end of the air outlet near the rotor cavity, and the first sealing ring is in contact with the outer surface of the rotor cavity; a second sealing ring is installed at the end of the air inlet near the rotor cavity, and the second sealing ring is in contact with the outer surface of the rotor cavity.

[0013] Furthermore, the first sealing ring is an arc-shaped ring structure, and the second sealing ring is a "V"-shaped ring structure.

[0014] Furthermore, both ends of the rotor chamber are fitted with connecting edges that are fixed to the rotor chamber, and one side of the connecting edge is evenly provided with multiple small holes, and multiple ribs are evenly installed on the top of the rotor chamber.

[0015] Furthermore, a first flange is installed at the end of the air inlet away from the rotor chamber, and a second flange is installed at the end of the air outlet away from the rotor chamber.

[0016] Furthermore, a base is provided at the bottom of the rotor chamber, and two connecting seats are installed on the upper surface of the base by bolts. The end of the connecting seat away from the base is connected and fixed to the rotor chamber.

[0017] The beneficial effects of this utility model are:

[0018] 1. The traditional spiral channel is replaced by an annular channel between the rotor chamber and the rotor cavity. The channel structure is a simple annular space, which eliminates the need for precision casting or CNC milling of complex spiral trajectories. It can be formed by conventional turning or boring processes, reducing the precision requirements of equipment and the number of clamping and debugging times, shortening the processing steps and reducing costs.

[0019] 2. The first and second protrusions on the outer surface of the rotor cavity contact the inner wall of the rotor cavity, forming multi-point support and dividing the annular channel into multiple sub-channels, increasing water flow disturbance and improving cooling efficiency. Attached Figure Description

[0020] Other features, objects, and advantages of this invention will become more apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings:

[0021] Figure 1 This is a schematic diagram of the structure of a vacuum pump cooling mechanism according to the present invention;

[0022] Figure 2 This is another perspective view of a vacuum pump cooling mechanism according to the present invention;

[0023] Figure 3 This is a perspective view of the rotor chamber in a vacuum pump cooling mechanism according to this utility model;

[0024] Figure 4 This is a perspective view of the rotor cavity in a vacuum pump cooling mechanism according to the present invention.

[0025] In the picture:

[0026] 1. Rotor chamber; 11. Air inlet; 12. First flange; 13. Rib; 14. Air outlet; 15. Second flange; 16. Connecting edge;

[0027] 2. Return water pipe;

[0028] 3. Water inlet pipe;

[0029] 4. Base; 41. Connecting bracket;

[0030] 5. Rotor cavity; 51. Side ring; 52. First air port; 53. Second air port; 54. First protrusion; 55. Second protrusion;

[0031] 6. First sealing ring;

[0032] 7. Second sealing ring. Detailed Implementation

[0033] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0034] Please see Figures 1-3This utility model provides a technical solution: a vacuum pump cooling mechanism, including a rotor chamber 1, both ends of which are open. Two symmetrically arranged air outlets 14 are installed on the outer surface of the rotor chamber 1. An air inlet 11 is installed on the top of the outer surface of the rotor chamber 1. A first flange 12 is installed at the end of the air inlet 11 away from the rotor chamber 1. A second flange 15 is installed at the end of the air outlet 14 away from the rotor chamber 1. Both ends of the rotor chamber 1 are fitted with connecting edges 16 that are connected and fixed to the rotor chamber 1. Multiple small holes are evenly opened on one side of the connecting edge 16. Multiple ribs 13 are evenly installed on the top of the rotor chamber 1 to improve the mechanical strength of the rotor chamber 1 structure. The design of the connecting edge 16 facilitates the installation of a sealing cover at the open end of the rotor chamber 1. A base 4 is provided at the bottom of the rotor chamber 1. Two connecting seats 41 are installed on the upper surface of the base 4 by bolts. The end of the connecting seat 41 away from the base 4 is connected and fixed to the rotor chamber 1. The base 4 is installed at the required position by bolts to limit the position of the rotor chamber 1.

[0035] See Figures 1-4 The rotor chamber 1 contains a rotor cavity 5 with a figure-eight cross-section. Both ends of the rotor cavity 5 are open, forming a channel for cooling water to flow between the rotor cavity 5 and the inner wall of the rotor chamber 1. Two symmetrically arranged first air ports 52 are opened on the outer surface of the rotor cavity 5. The end of the air outlet 14 near the rotor cavity 5 is concentrically arranged with the first air port 52. A second air port 53 is opened on the top of the rotor cavity 5. The end of the air inlet 11 near the rotor cavity 5 is concentrically arranged with the second air port 53. A first sealing ring 6 is installed at the end of the air outlet 14 near the rotor cavity 5, and the first sealing ring 6 is in contact with the outer surface of the rotor cavity 5. A second sealing ring 7 is installed at the end of the air inlet 11 near the rotor cavity 5, and the second sealing ring 7 is in contact with the outer surface of the rotor cavity 5. The first sealing ring 6 is an arc-shaped ring structure, and the second sealing ring 7 is a V-shaped ring structure. The first sealing ring 6 and the second sealing ring 7 respectively improve the sealing between the air outlet 14, the air inlet 11 and the rotor cavity 5.

[0036] See Figures 1-4 Both ends of the rotor cavity 5 are fitted with edge rings 51 that are connected and fixed to the rotor cavity 5. The edge rings 51, which are integrally formed with the rotor cavity 5, are installed in the rotor chamber 1. The air inlet 11 and the air outlet 14 both pass through the channel and communicate with the internal space of the rotor chamber 1. A water inlet pipe 3 is provided on one side of one of the air outlets 14. The water inlet pipe 3 is connected and fixed to the rotor chamber 1 and communicates with the channel. A return water pipe 2 is installed on the top of the outer surface of the rotor chamber 1 and communicates with the channel. The annular channel between the rotor chamber 1 and the rotor cavity 5 replaces the traditional spiral water channel. The channel structure is a simple annular space. There is no need for precision casting or CNC milling of complex spiral trajectories. During processing, only conventional turning or boring processes are required to form the shape, reducing the equipment precision requirements and the number of clamping and debugging times, shortening the processing steps, and reducing costs.

[0037] See Figure 4 Multiple first protrusions 54 are equidistantly installed on the outer surface of the rotor cavity 5 away from the air inlet 11. The end of the first protrusion 54 away from the rotor cavity 5 is in contact with the inner wall of the rotor chamber 1. Multiple rows of second protrusions 55 are evenly installed on the outer surface of the rotor cavity 5. The end of the second protrusion 55 away from the rotor cavity 5 is in contact with the inner wall of the rotor chamber 1. The first protrusions 54 and second protrusions 55 on the outer surface of the rotor cavity 5 are in contact with the inner wall of the rotor chamber 1, forming multi-point support and dividing the annular channel into multiple sub-channels, increasing water flow disturbance and improving cooling efficiency.

[0038] Although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A vacuum pump cooling mechanism, characterized in that... include: The rotor chamber (1) has two open ends. Two symmetrically arranged air outlets (14) are installed on the outer surface of the rotor chamber (1). An air inlet (11) is installed on the top of the outer surface of the rotor chamber (1). Rotor cavity (5), the rotor chamber (1) is provided with rotor cavity (5), both ends of the rotor cavity (5) are open, a channel for cooling water to flow is formed between the rotor cavity (5) and the inner wall of the rotor chamber (1), both ends of the rotor cavity (5) are fitted with a side ring (51) that is connected and fixed to the rotor cavity (5), the side ring (51) is installed in the rotor chamber (1), the air inlet (11) and the air outlet (14) are both through the channel and communicate with the internal space of the rotor chamber (1); Water inlet pipe (3), a water inlet pipe (3) is provided on one side of the air outlet (14), the water inlet pipe (3) is connected and fixed to the rotor chamber (1), and the water inlet pipe (3) is connected to the channel; The return water pipe (2) is installed on the top of the outer surface of the rotor chamber (1) and is connected to the channel.

2. The vacuum pump cooling mechanism according to claim 1, characterized in that: The rotor cavity (5) has a cross-section in the shape of an "8", and the edge ring (51) and the rotor cavity (5) are integrally formed.

3. The vacuum pump cooling mechanism according to claim 2, characterized in that: Multiple first protrusions (54) are equidistantly installed on the outer surface of the rotor cavity (5) away from the air inlet (11). The end of the first protrusion (54) away from the rotor cavity (5) is in contact with the inner wall of the rotor chamber (1). Multiple rows of second protrusions (55) are uniformly installed on the outer surface of the rotor cavity (5). The end of the second protrusion (55) away from the rotor cavity (5) is in contact with the inner wall of the rotor chamber (1).

4. The vacuum pump cooling mechanism according to claim 1, characterized in that: Two symmetrically arranged first air ports (52) are opened on the outer surface of the rotor cavity (5). The end of the air outlet (14) near the rotor cavity (5) is arranged concentrically with the first air port (52). A second air port (53) is opened on the top of the rotor cavity (5). The end of the air inlet (11) near the rotor cavity (5) is arranged concentrically with the second air port (53).

5. A vacuum pump cooling mechanism according to claim 4, characterized in that: The air outlet (14) is equipped with a first sealing ring (6) at one end near the rotor cavity (5), and the first sealing ring (6) is in contact with the outer surface of the rotor cavity (5). The air inlet (11) is equipped with a second sealing ring (7) at one end near the rotor cavity (5), and the second sealing ring (7) is in contact with the outer surface of the rotor cavity (5).

6. A vacuum pump cooling mechanism according to claim 5, characterized in that: The first sealing ring (6) is an arc-shaped ring structure, and the second sealing ring (7) is a "V"-shaped ring structure.

7. A vacuum pump cooling mechanism according to claim 1, characterized in that: Both ends of the rotor chamber (1) are fitted with connecting edges (16) that are fixed to the rotor chamber (1). Multiple small holes are evenly opened on one side of the connecting edge (16). Multiple ribs (13) are evenly installed on the top of the rotor chamber (1).

8. A vacuum pump cooling mechanism according to claim 1, characterized in that: The air inlet (11) is equipped with a first flange (12) at the end away from the rotor chamber (1), and the air outlet (14) is equipped with a second flange (15) at the end away from the rotor chamber (1).

9. A vacuum pump cooling mechanism according to claim 1, characterized in that: The rotor chamber (1) is provided with a base (4) at the bottom. Two connecting seats (41) are installed on the upper surface of the base (4) by bolts. The end of the connecting seat (41) away from the base (4) is connected and fixed to the rotor chamber (1).

Images