Turbine shaft protection device of turbocharger
By designing protective sleeves and rust -proof mechanisms on the turbocharger's turbocharger, the problem of lack of protection when the turbine shaft lacks protection during storage and transfer, and realizes the rust -proof and anti -bump protection of the surface of the turbine shaft. Essence
Patent Information
- Application Number
- CN202421299906.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-07
- Publication Date
- 2025-01-28
- Estimated Expiration
- 2034-06-07
AI Technical Summary
The turbine shafts inside existing turbochargers lack complete protection during storage and transfer, which can easily lead to rust on the surface or bump against each other, resulting in scratches and affecting normal use.
A turbine axis protective device is designed, including protective covers, rust -proof mechanisms and oil -absorbing cotton pieces. The protective cover is equipped with oil storage bars, oil injection holes and oil discharge ports for injecting and storing rust -proof oil; oil -absorbing cotton blocks and oil -absorbing cotton plates are used to coat rust oil on the surface of the turbine axis.
Effectively prevent rust and bumps on the surface of the turbine shaft, extend the service life, and improve the protection performance of the turbine shaft.
Smart Images
Figure CN222415325U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of turbochargers, in particular to a turbine shaft protection device of a turbocharger. Background Art
[0002] A turbocharger is actually an air compressor that increases the air intake by compressing air. After the turbine shaft inside the turbocharger is produced, the turbine shaft needs to be protected to avoid rusting and collision during transfer and storage.
[0003] The turbine shafts inside most existing turbochargers do not have a structure to fully protect the turbine shafts when they are stored and transferred after production, which can easily cause the surface of the turbine shafts to rust, or the turbine shafts to collide with each other, causing scratches on the surface of the turbine shafts, affecting the normal use of the turbine shafts. Utility Model Content
[0004] The utility model provides a turbine shaft protection device for a turbocharger, aiming to solve the problem that the turbine shaft inside most existing turbochargers does not have a structure for completely protecting the turbine shaft of the turbocharger when the production is completed and the turbine shaft is stored and transferred, which easily leads to rust on the surface of the turbine shaft, or the turbine shafts collide with each other, resulting in scratches on the surface of the turbine shaft, affecting the normal use of the turbine shaft and thus affecting the use effect.
[0005] The utility model is implemented as follows: a turbine shaft protection device for a turbocharger comprises a turbocharger impeller and a turbocharger turbine shaft, a protective sleeve is provided on the surface of the turbocharger turbine shaft, and a rust-proof mechanism is provided inside the protective sleeve;
[0006] The anti-rust mechanism includes an oil storage bin, an oil filling hole and a rubber sealing plug, the surface of the rubber sealing plug is in close contact with the inner wall of the oil filling hole, the oil storage bin is opened inside the protective sleeve, and the oil filling hole is connected to the oil storage bin.
[0007] In order to facilitate the flow of rust-proof oil connected to the oil storage tank into the oil drain port, the turbine shaft protection device of the turbocharger of the utility model is preferably provided with an oil drain port inside the protective sleeve, and the number of the oil drain ports is two, and the oil drain ports are connected to the oil storage tank.
[0008] In order to achieve the effect of conveniently coating the external anti-rust oil on the surface of the turbocharger turbine shaft, as a preferred turbocharger turbine shaft protection device of the utility model, an oil-absorbing cotton block is arranged inside the protective sleeve, and the number of the oil-absorbing cotton blocks is two. The oil-absorbing cotton blocks are tightly inserted into the inside of the oil drain port, and the surface of the oil-absorbing cotton block contacts the surface of the turbocharger turbine shaft.
[0009] In order to facilitate observation of the residual amount of the external anti-rust oil inside the oil storage tank, the turbine shaft protection device of the turbocharger of the utility model is preferably provided with an observation window embedded inside the protection sleeve.
[0010] In order to facilitate the rotation of the protective sleeve, as a preferred turbine shaft protection device of the turbocharger of the utility model, the surface of the protective sleeve is fixedly connected with anti-slip strips, and the number of the anti-slip strips is several and evenly distributed on the surface of the protective sleeve.
[0011] In order to facilitate the coating of the top of the turbocharger turbine shaft with external anti-rust oil, as a preferred turbocharger turbine shaft protection device of the utility model, an oil absorbent cotton plate is fixedly connected between the tops of the two oil absorbent cotton blocks, and the bottom of the oil absorbent cotton plate is in contact with the top of the turbocharger turbine shaft.
[0012] In order to achieve the effect of increasing the protective performance of the protective sleeve on the turbocharger turbine shaft, as a preferred turbocharger turbine shaft protection device of the utility model, the material of the protective sleeve is hard metal.
[0013] Compared with the prior art, the beneficial effects of the utility model are:
[0014] The turbine shaft protection device of the turbocharger injects the external anti-rust oil into the oil storage bin through the oil filling hole, and then uses the hand-held anti-skid strip to move the protective sleeve to be sleeved on the surface of the turbocharger turbine shaft, so that the bottom of the oil-absorbing cotton disc contacts the top of the turbocharger turbine shaft, and then the protective sleeve is rotated. At this time, the oil-absorbing cotton block can apply the absorbed external anti-rust oil to the surface of the turbocharger turbine shaft, and the oil-absorbing cotton disc applies the absorbed external anti-rust oil to the top of the turbocharger turbine shaft, so that the turbocharger turbine shaft can be protected from rust, and then the protective sleeve can protect the turbocharger turbine shaft from collision, avoiding the problem that the turbine shaft inside most existing turbochargers does not have a structure for completely protecting the turbocharger turbine shaft when the production is completed and the turbine shaft is stored and transferred, which easily causes the turbine shaft surface to rust, or the turbine shafts collide with each other, resulting in scratches on the turbine shaft surface, affecting the normal use of the turbine shaft. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 The overall structure diagram of the turbine shaft protection device of the turbocharger of the utility model;
[0016] Figure 2 It is a three-dimensional connection diagram of the turbocharger impeller and the turbocharger turbine shaft in the utility model;
[0017] Figure 3 It is a three-dimensional structural schematic diagram of the bottom of the protective cover in the utility model;
[0018] Figure 4 It is a three-dimensional connection diagram of the oil-absorbing cotton block and the oil-absorbing cotton disc in the utility model;
[0019] Figure 5 It is a three-dimensional cross-sectional view of the protective sleeve in the utility model.
[0020] In the figure, 1. turbocharger impeller; 2. protective cover; 3. anti-slip strip; 4. observation window; 5. turbocharger turbine shaft; 6. oil-absorbing cotton block; 7. oil-absorbing cotton disc; 8. anti-rust mechanism; 801. oil storage tank; 802. oil filling hole; 803. rubber sealing plug; 9. oil drain port. DETAILED DESCRIPTION
[0021] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.
[0022] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, in the description of the present invention, "multiple" means two or more, unless otherwise clearly and specifically defined.
[0023] See also Figure 1-5 The utility model provides a technical solution: a turbine shaft protection device for a turbocharger, comprising a turbocharger impeller 1 and a turbocharger turbine shaft 5, a protective sleeve 2 is provided on the surface of the turbocharger turbine shaft 5, and a rust-proof mechanism 8 is provided inside the protective sleeve 2;
[0024] The anti-rust mechanism 8 includes an oil storage bin 801 , an oil filling hole 802 and a rubber sealing plug 803 . The surface of the rubber sealing plug 803 is in close contact with the inner wall of the oil filling hole 802 . The oil storage bin 801 is opened inside the protective sleeve 2 , and the oil filling hole 802 is connected to the oil storage bin 801 .
[0025] In this embodiment: by injecting the external anti-rust oil into the oil storage bin 801 through the oil filling hole 802, and then holding the anti-slip strip 3, the protective sleeve 2 is moved to be sleeved on the surface of the turbocharger turbine shaft 5, so that the bottom of the oil-absorbing cotton disc 7 contacts the top of the turbocharger turbine shaft 5, and then the protective sleeve 2 is rotated. At this time, the oil-absorbing cotton block 6 can apply the absorbed external anti-rust oil to the surface of the turbocharger turbine shaft 5, and the oil-absorbing cotton disc 7 applies the absorbed external anti-rust oil to the top of the turbocharger turbine shaft 5, so that the turbocharger turbine shaft 5 can be protected from rust, and then the protective sleeve 2 can protect the turbocharger turbine shaft 5 from collision, avoiding the problem that the turbine shaft inside most existing turbochargers does not have a structure for completely protecting the turbocharger turbine shaft 5 when the production is completed and the turbine shafts are stored and transferred, which easily causes the turbine shaft surface to rust, or the turbine shafts collide with each other, resulting in scratches on the turbine shaft surface, affecting the normal use of the turbine shaft.
[0026] As a technical optimization solution of the present invention, an oil drain port 9 is opened inside the protective sleeve 2 . There are two oil drain ports 9 , and the oil drain ports 9 are connected to the oil storage tank 801 .
[0027] In this embodiment, since the oil discharge port 9 is connected to the oil storage tank 801 , the anti-rust oil inside the oil storage tank 801 can easily flow into the oil discharge port 9 , thereby achieving the effect of facilitating the anti-rust oil outside the oil storage tank 801 to flow into the oil discharge port 9 .
[0028] As a technical optimization solution of the utility model, an oil-absorbing cotton block 6 is arranged inside the protective sleeve 2. There are two oil-absorbing cotton blocks 6. The oil-absorbing cotton blocks 6 are tightly inserted into the oil drain port 9, and the surface of the oil-absorbing cotton block 6 contacts the surface of the turbocharger turbine shaft 5.
[0029] In this embodiment: the external anti-rust oil is absorbed by the oil-absorbing cotton block 6 inserted into the oil drain port 9, and then the protective sleeve 2 is sleeved on the surface of the turbocharger turbine shaft 5 and rotated, and the oil-absorbing cotton block 6 can apply the absorbed external anti-rust oil to the surface of the turbocharger turbine shaft 5, thereby achieving the effect of conveniently applying the external anti-rust oil to the surface of the turbocharger turbine shaft 5.
[0030] As a technical optimization solution of the present invention, an observation window 4 is embedded in the interior of the protective cover 2 .
[0031] In this embodiment, the remaining amount of the external anti-rust oil in the oil storage tank 801 can be judged through the observation window 4, so that the remaining amount of the external anti-rust oil in the oil storage tank 801 can be conveniently observed.
[0032] As a technical optimization solution of the utility model, the surface of the protective cover 2 is fixedly connected with anti-slip strips 3, and the number of anti-slip strips 3 is several and evenly distributed on the surface of the protective cover 2.
[0033] In this embodiment, the protective cover 2 can be conveniently rotated by holding the anti-slip strip 3 , thereby achieving the effect of conveniently rotating the protective cover 2 .
[0034] As a technical optimization solution of the utility model, an oil-absorbing cotton disc 7 is fixedly connected between the tops of the two oil-absorbing cotton blocks 6 , and the bottom of the oil-absorbing cotton disc 7 contacts the top of the turbocharger turbine shaft 5 .
[0035] In this embodiment, the oil-absorbing cotton disc 7 can conveniently apply the external anti-rust oil to the top of the turbocharger turbine shaft 5 by absorbing the external anti-rust oil absorbed by the oil-absorbing cotton block 6, thereby achieving the effect of conveniently applying the external anti-rust oil to the top of the turbocharger turbine shaft 5.
[0036] As a technical optimization solution of the present utility model, the material of the protective sleeve 2 is hard metal.
[0037] In this embodiment, since the protective sleeve 2 is made of hard metal, the protective performance of the protective sleeve 2 on the turbocharger turbine shaft 5 can be increased, thereby achieving the effect of increasing the protective performance of the protective sleeve 2 on the turbocharger turbine shaft 5 .
[0038] Working principle: First, lift the rubber sealing plug 803 upwards to separate the rubber sealing plug 803 from the oil filling hole 802, then inject the external anti-rust oil into the oil storage bin 801 from the oil filling hole 802, and then insert the rubber sealing plug 803 into the oil filling hole 802. At this time, the oil-absorbing cotton block 6 will absorb the external anti-rust oil inside the oil storage bin 801 through the oil discharge port 9, and then the oil-absorbing cotton disc 7 will also absorb the external anti-rust oil through the oil-absorbing cotton block 6. Then, hold the anti-slip strip 3 and move the protective sleeve 2 to the surface of the turbocharger turbine shaft 5, so that the bottom of the oil-absorbing cotton disc 7 contacts the top of the turbocharger turbine shaft 5, and then rotate the protective sleeve 2. At this time, the oil-absorbing cotton block 6 inside the protective sleeve 2 will rotate to absorb the The external rust-proof oil is coated on the surface of the turbocharger turbine shaft 5, and the oil-absorbing cotton disc 7 coats the absorbed external rust-proof oil on the top of the turbocharger turbine shaft 5. At this time, the turbocharger turbine shaft 5 can be protected from rust, and then the protective sleeve 2 can protect the turbocharger turbine shaft 5 from collision, avoiding the problem that the turbine shaft inside most existing turbochargers does not have a structure for completely protecting the turbocharger turbine shaft 5 when the production is completed and the turbine shafts are stored and transferred, which easily leads to rust on the turbine shaft surface, or the turbine shafts collide with each other, resulting in scratches on the turbine shaft surface, affecting the normal use of the turbine shaft. Since the protective sleeve 2 is made of hard metal, the protective performance of the protective sleeve 2 on the turbocharger turbine shaft 5 can be increased.
[0039] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A turbine shaft protection device for a turbocharger, comprising a turbocharger impeller (1) and a turbocharger turbine shaft (5), characterized in that: The surface of the turbocharger turbine shaft (5) is covered with a protective sleeve (2), and the interior of the protective sleeve (2) is provided with a rust-proof mechanism (8); The anti-rust mechanism (8) comprises an oil storage bin (801), an oil filling hole (802) and a rubber sealing plug (803); the surface of the rubber sealing plug (803) is in close contact with the inner wall of the oil filling hole (802); the oil storage bin (801) is disposed inside the protective sleeve (2); and the oil filling hole (802) is in communication with the oil storage bin (801).
2. The turbine shaft protection device of a turbocharger according to claim 1, characterized in that: The protective sleeve (2) is provided with an oil drain port (9) inside, and the number of the oil drain ports (9) is two. The oil drain ports (9) are connected to the oil storage bin (801).
3. The turbine shaft protection device of a turbocharger according to claim 2, characterized in that: An oil-absorbing cotton block (6) is arranged inside the protective sleeve (2). The number of the oil-absorbing cotton blocks (6) is two. The oil-absorbing cotton blocks (6) are tightly inserted into the oil drain port (9), and the surface of the oil-absorbing cotton block (6) is in contact with the surface of the turbocharger turbine shaft (5).
4. The turbine shaft protection device of a turbocharger according to claim 1, characterized in that: An observation window (4) is embedded inside the protective cover (2).
5. The turbine shaft protection device of a turbocharger according to claim 1, characterized in that: The surface of the protective cover (2) is fixedly connected with an anti-slip strip (3), and the number of the anti-slip strips (3) is several and evenly distributed on the surface of the protective cover (2).
6. The turbine shaft protection device of a turbocharger according to claim 3, characterized in that: An oil-absorbing cotton disc (7) is fixedly connected between the tops of the two oil-absorbing cotton blocks (6), and the bottom of the oil-absorbing cotton disc (7) is in contact with the top of the turbocharger turbine shaft (5).
7. The turbine shaft protection device of a turbocharger according to claim 1, characterized in that: The material of the protective sleeve (2) is hard metal.