Light vacuum pump oil flinger
By using a 1mm thick 304 stainless steel plate and a lightweight vacuum pump oil slinger with a weld-free design, the problems of heavy weight and easy deformation of the oil slinger were solved, achieving lightweight and efficient installation, and improving the stability and maintenance efficiency of the equipment.
Patent Information
- Application Number
- CN202520208427.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-10
- Publication Date
- 2025-12-09
- Estimated Expiration
- 2035-02-10
AI Technical Summary
The existing vacuum pump's oil slinger structure is bulky, complex to manufacture, costly, and prone to welding deformation, affecting its performance and durability. Furthermore, it fails to effectively reduce weight, leading to inconvenience in installation and maintenance.
The oil slinger body is made of 1mm thick 304 stainless steel plate, with a central shaft hole, positioning hole and oil guide teeth. It adopts a weld-free structure and is connected by screws and nuts. It is equipped with a quick-release structure and reinforcing ribs to ensure stability and lightweight.
This design achieves lightweighting of the oil slinger, reduces production costs, improves installation convenience and equipment stability, avoids welding deformation, and enhances maintenance efficiency and service life.
Smart Images

Figure CN223648047U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of vacuum pump technology, specifically to a lightweight vacuum pump oil slinger. Background Technology
[0002] A vacuum pump is a device used to create a low-pressure environment in a confined space. It is widely used in various industrial fields, such as chemical, pharmaceutical, and electronics industries. It achieves gas extraction or evacuation by drawing in air or gas and expelling it. During the operation of a vacuum pump, oil plays a crucial role as a lubricating and sealing medium, ensuring smooth operation of the pump body, reducing friction and wear, and extending equipment lifespan. However, excessive oil accumulation can affect equipment efficiency and safety, especially under high loads and long-term operation. Accumulated oil can lead to overheating, leaks, or equipment failure. Therefore, an effective oil drainage device is needed. The oil slinger, as an important component of the vacuum pump, uses centrifugal force to throw out excess oil from inside the pump body, preventing oil buildup and ensuring the stability of pump operation. At the same time, the oil slinger reduces resistance caused by excessive oil, further improving pump efficiency, reducing energy consumption, and ensuring long-term stable operation of the equipment.
[0003] In existing technologies, the oil slinger of vacuum pumps generally suffers from problems such as bulky structure, complex processing, and high cost. Traditional oil slingers are mostly manufactured using welding processes, which not only leads to difficulties in overall quality control, but also the welded parts may deform or crack due to stress concentration, thus affecting performance and durability and increasing the failure rate. In addition, most existing oil slingers have not effectively reduced weight, resulting in a relatively heavy vacuum pump, which makes installation and maintenance inconvenient and reduces operational flexibility. Utility Model Content
[0004] The purpose of this invention is to provide a lightweight vacuum pump oil slinger to solve the problems mentioned in the background art.
[0005] To achieve the above objectives, this application provides the following technical solution: a lightweight vacuum pump oil slinger, comprising an oil slinger body, a central shaft hole, several positioning holes, and several oil guide teeth. The central shaft hole is located at the center of the oil slinger body. The positioning holes are evenly distributed around the central shaft hole. The oil guide teeth are evenly distributed outside the oil slinger body. A fixing device for easy installation is installed in the positioning holes. Three through holes are provided in the oil slinger body. Hollow plates are fixedly connected to the front and back of the through holes. Several reinforcing ribs are fixedly connected inside the through holes.
[0006] Optionally, the reinforcing rib is connected through the body of the oil slinger.
[0007] Optionally, the positioning holes are evenly distributed in a ring around the central shaft hole, and the oil guide teeth are evenly distributed in a ring on the front side of the oil slinger body.
[0008] Optionally, the hollow plate is provided with external threads, the through hole is provided with internal threads, and a threaded fit is formed between the hollow plate and the through hole.
[0009] Optionally, the structure of the oil slinger body is configured as a weldless structure to avoid the risk of deformation or weld breakage caused by welding, and the oil slinger body and the vacuum pump are configured as a quick-release structure for easy maintenance.
[0010] Optionally, the fixing device includes a nut and a heat sink, the nut is rotatably connected in the positioning hole, the nut is internally threaded with a screw, and long plates are symmetrically arranged on the outside of the nut.
[0011] Optionally, the heat sink overlaps the body of the oil slinger and is sleeved on the outside of the nut.
[0012] Optionally, the oil slinger body is connected to the vacuum pump by screws.
[0013] Compared with the prior art, this application has at least the following beneficial effects:
[0014] 1. In this utility model, the oil slinger body is made of 1mm thick 304 stainless steel plate. This material is widely used due to its excellent mechanical properties and corrosion resistance. Compared with traditional thicker or other materials, the 1mm thick 304 stainless steel plate not only meets the strength requirements but also greatly reduces the overall weight of the oil slinger body, making it more suitable for use in modern vacuum pumps. This reduces the burden on the equipment and improves the convenience of transportation and installation. In addition, due to the material thickness and optimized design, the amount of material used is effectively reduced, thereby lowering production costs. At the same time, by rationally setting the central shaft hole, positioning hole, and oil guide teeth on the oil slinger body, the design of the entire oil slinger body is more scientific and efficient. The central shaft hole is used for precise positioning during installation, and the positioning holes are evenly distributed around the central shaft hole, which helps to fix the oil slinger body and balance its mechanical properties. The annular evenly distributed design of the oil guide teeth makes full use of the centrifugal force characteristics, ensuring that the oil can be thrown out quickly and efficiently. This design scheme not only optimizes the functional effect of the oil slinger body but also avoids the quality problems commonly found in traditional welding processes.
[0015] 2. In this utility model, when it is necessary to install the oil slinger body, the screw is threaded into the nut, and then the long plate is held and rotated clockwise. After the screw and bolt are fixed, the heat sink is fixed to the back of the oil slinger body, thus realizing the installation of the oil slinger body. It is also convenient to fix the screw, and the heat sink is installed to dissipate heat from the oil slinger body during operation.
[0016] 3. In this utility model, by designing three through holes on the oil slinger body, the overall weight is effectively reduced. At the same time, a reinforcing rib structure is arranged inside to strengthen the oil slinger body. This not only ensures that the oil slinger body has sufficient strength and rigidity while maintaining a low weight, but also further improves its stability and durability during use, thereby optimizing the overall performance. Attached Figure Description
[0017] To more intuitively illustrate the prior art and this application, exemplary drawings are provided below. It should be understood that the specific shapes and structures shown in the drawings should not generally be regarded as limiting conditions for implementing this application; for example, based on the technical concept disclosed in this application and the exemplary drawings, those skilled in the art are able to easily make conventional adjustments or further optimizations to the addition / reduction / classification, specific shapes, positional relationships, connection methods, size ratios, etc. of certain units (components).
[0018] Figure 1 This is a three-dimensional structural diagram of a lightweight vacuum pump oil slinger provided in Embodiment 1 of this application;
[0019] Figure 2 This is a three-dimensional structural diagram of a hollow plate in the oil slinger of a lightweight vacuum pump, provided in Embodiment 1 of this application.
[0020] Figure 3 This is a three-dimensional structural diagram of the reinforcing ribs of the oil slinger disc of a lightweight vacuum pump provided in Embodiment 1 of this application.
[0021] Figure 4 A lightweight vacuum pump oil slinger provided in Embodiment 2 of this application Figure 2 Enlarged structural diagram of section A;
[0022] Figure 5 This is a three-dimensional structural diagram of a lightweight vacuum pump oil slinger fixing device provided in Embodiment 1 of this application.
[0023] Explanation of reference numerals in the attached figures:
[0024] 1. Oil slinger body; 2. Central shaft hole; 3. Positioning hole; 4. Oil guide teeth; 5. Fixing device; 51. Screw; 52. Nut; 53. Long plate; 54. Heat sink; 6. Through hole; 7. Hollow plate; 8. Reinforcing rib. Detailed Implementation
[0025] The present application will be further described in detail below with reference to the accompanying drawings and specific embodiments.
[0026] Please see Figures 1-5 ;
[0027] First embodiment:
[0028] This utility model provides a technical solution: a lightweight vacuum pump oil slinger, comprising an oil slinger body, a central shaft hole 2, several positioning holes 3, and several oil guide teeth 4. The central shaft hole 2 is located at the center of the oil slinger body 1. The positioning holes 3 are evenly distributed around the central shaft hole 2. The oil guide teeth 4 are evenly distributed outside the oil slinger body 1. A fixing device 5 for easy installation is installed in the positioning holes 3. The positioning holes 3 are evenly distributed around the central shaft hole 2, and the oil guide teeth 4 are evenly distributed in a ring around the oil slinger body 1. Through this layout, the structure of the oil slinger body 1 is more uniform, which can effectively balance the distribution of centrifugal force and ensure the consistency and stability of the oil slinging effect. The ring distribution of the oil guide teeth 4 can maximize the oil slinging efficiency and avoid pump body damage caused by local oil accumulation. The oil slinger body 1 is stable, and the annular distribution of positioning holes 3 enhances the structural strength of the oil slinger body 1, avoiding deformation caused by uneven local stress. The oil slinger body 1 is made of 1mm thick 304 stainless steel plate, which has good corrosion resistance and mechanical strength. 304 stainless steel can effectively resist the corrosion of oil in the vacuum pump and extend the service life of the oil slinger body 1. At the same time, its lighter weight reduces the burden on the overall equipment. The oil slinger body 1 has three through holes 6. Hollow plates 7 are fixedly connected to the front and back of the through holes 6. Several reinforcing ribs 8 are fixedly connected inside the through holes 6. By designing three through holes 6 on the oil slinger body 1, the overall weight is effectively reduced. At the same time, the reinforcing rib structure 8 is arranged inside to strengthen the oil slinger body 1.
[0029] Specifically, such as Figures 1-3 As shown, the reinforcing rib 8 is connected through the oil slinger body 1. The positioning holes 3 are evenly distributed in a ring around the central shaft hole 2. The oil guide teeth 4 are evenly distributed in a ring on the front side of the oil slinger body 1. The hollow plate 7 has external threads, and the through hole 6 has internal threads. The hollow plate 7 and the through hole 6 form a threaded fit. The structure of the oil slinger body 1 is designed to avoid the deformation or weld breakage risk caused by welding. The oil slinger body 1 and the vacuum pump are designed to have a quick-release structure for easy maintenance. The oil slinger body 1 adopts a weldless structure, which avoids the deformation or weld breakage risk that may be caused by traditional welding, and improves the stability and service life of the product. The quick-release structure makes the connection between the oil slinger body 1 and the vacuum pump more convenient. When it is repaired and replaced, it is not necessary to disassemble a large number of parts, saving maintenance time and improving the maintenance efficiency of the equipment. The combination of the two not only improves the overall reliability of the oil slinger body 1, but also greatly reduces maintenance costs and the complexity of manual operation.
[0030] During operation, the oil slinger body 1 is made of 1mm thick 304 stainless steel plate, which has a simple structure and light weight, effectively reducing material and transportation costs, while ensuring good mechanical strength and corrosion resistance. Secondly, by setting the central shaft hole 2, positioning hole 3 and oil guide tooth 4 on the oil slinger body 1, not only is the overall design of the oil slinger body 1 more reasonable, but it also avoids the quality problems caused by traditional welding processes, such as welding deformation and weld cracking, thus improving the stability and reliability of the product.
[0031] Second embodiment:
[0032] Specifically, such as Figures 4-5 As shown, the fixing device 5 includes a nut 52 and a heat sink 54. The nut 52 is rotatably connected in the positioning hole 3, and a screw 51 is threaded into the nut 52. A long plate 53 is symmetrically arranged outside the nut 52. The heat sink 54 overlaps the oil slinger body 1 and is sleeved on the nut 52. The oil slinger body 1 is connected to the vacuum pump by the screw 51. The nut 52 is rotatably connected in the positioning hole 3, ensuring that the oil slinger body 1 can be firmly fixed during use and is not easy to loosen. At the same time, the heat sink 54 overlaps the oil slinger body 1, further enhancing the heat dissipation effect and preventing the oil slinger body 1 from overheating due to long-term operation. The symmetrical arrangement of the heat sink 54 and the nut 52 not only improves the heat dissipation efficiency but also ensures the symmetry of the structure, avoiding local damage caused by uneven heat accumulation.
[0033] When it is necessary to install the oil slinger body 1 during operation, screw 51 is threaded into nut 52, and then the long plate 53 is held and rotated clockwise. After screw 51 is fixed with bolt, heat sink 54 is fixed to the back of oil slinger body 1, thus realizing the installation of oil slinger body 1. It is also convenient to fix screw 51, and heat sink 54 is installed to dissipate heat from oil slinger body 1 during operation.
[0034] The technical features of the above embodiments can be combined in any way (as long as there is no contradiction in the combination of these technical features). For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described; these embodiments not explicitly written should also be considered to be within the scope of this specification.
Claims
1. A lightweight vacuum pump oil slinger, comprising an oil slinger body (1), a central shaft hole (2), a plurality of positioning holes (3), and a plurality of guide teeth (4), characterized in that, The central shaft hole (2) is located at the center of the oil slinger body (1). The positioning holes (3) are evenly distributed around the central shaft hole (2). The oil guide teeth (4) are evenly distributed outside the oil slinger body (1). A fixing device (5) for easy installation is installed in the positioning hole (3). Three through holes (6) are opened in the oil slinger body (1). Hollow plates (7) are fixedly connected to the front and back of the through holes (6). Several reinforcing ribs (8) are fixedly connected in the through holes (6).
2. The lightweight vacuum pump oil slinger according to claim 1, characterized in that, The reinforcing rib (8) is connected through the oil slinger body (1).
3. The lightweight vacuum pump oil slinger according to claim 1, characterized in that, The positioning holes (3) are evenly distributed in a ring around the central shaft hole (2), and the oil guide teeth (4) are evenly distributed in a ring on the front side of the oil slinger body (1).
4. The lightweight vacuum pump oil slinger according to claim 1, characterized in that, The hollow plate (7) has an external thread, and the through hole (6) has an internal thread, and the hollow plate (7) and the through hole (6) form a threaded fit.
5. The lightweight vacuum pump oil slinger according to claim 1, characterized in that, The structure of the oil slinger body (1) is designed to avoid the risk of deformation or weld breakage caused by welding. The oil slinger body (1) and the vacuum pump are designed to be quick-release structure for easy maintenance.
6. The lightweight vacuum pump oil slinger according to claim 1, characterized in that, The fixing device (5) includes a nut (52) and a heat sink (54). The nut (52) is rotatably connected in the positioning hole (3). The nut (52) is threaded with a screw (51). The nut (52) is symmetrically provided with long plates (53) on the outside.
7. The lightweight vacuum pump oil slinger according to claim 6, characterized in that, The heat sink (54) overlaps the outside of the oil slinger body (1), and the heat sink (54) is sleeved on the outside of the nut (52).
8. The lightweight vacuum pump oil slinger according to claim 7, characterized in that, The oil slinger body (1) is connected to the vacuum pump by screws (51).