Anti-corrosion automobile turbocharging gasket

Abstract

The utility model discloses an anti-corrosion automobile turbocharging gasket, and relates to the technical field of automobile parts, the anti-corrosion automobile turbocharging gasket comprises a base layer, the top of the base layer is provided with an upper protection assembly, and the bottom of the upper protection assembly is provided with a lower protection assembly; the upper protection assembly comprises a top corrosion-resistant shell, a first sealing gasket is fixedly connected to the middle of the top of the top corrosion-resistant shell, a second sealing gasket is fixedly connected to the periphery of the top of the top corrosion-resistant shell, and sleeves penetrate through and are fixedly connected to the four corners of the bottom of the top corrosion-resistant shell; the top corrosion-resistant shell, the bottom corrosion-resistant shell and the heat insulation plate which are made of polyether-ether-ketone are matched with one another, so that the gasket can effectively resist corrosion of various corrosive substances in automobile exhaust gas, the corrosion resistance of the gasket in a severe environment is greatly improved, and compared with a traditional gasket, the service life of the gasket is remarkably prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile parts, specifically is a kind of anticorrosive automobile turbocharger gasket. BACKGROUND

[0002] Automobile turbocharger equipment plays an important role in improving engine performance, and as the key sealing element of the connecting component in the system, the performance of the turbocharger gasket directly affects the stability and reliability of the system.

[0003] In actual work, the environment of turbocharger gasket is extremely bad, and it has to withstand high temperature, high pressure and waste gas erosion containing various corrosive components, and the traditional turbocharger gasket has defects in corrosion resistance, which can lead to sealing failure due to corrosion, not only reducing the working efficiency of turbocharger system, but also causing engine failure, increasing maintenance cost and safety hazard. UTILITY MODEL CONTENT

[0004] The utility model provides a kind of anticorrosive automobile turbocharger gasket, with effectively solve the defect of traditional gasket in corrosion resistance, improve the service life and sealing performance of gasket, ensure that automobile turbocharger equipment is stable and efficient operation.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of anticorrosive automobile turbocharger gasket, including base layer, the top of the base layer is provided with upper protection assembly, the bottom of the upper protection assembly is provided with lower protection assembly;

[0006] The upper protection assembly includes top corrosion-resistant shell, the top of the top corrosion-resistant shell is fixedly connected with first sealing pad in the middle, the top of the top corrosion-resistant shell is fixedly connected with second sealing pad in the periphery, the bottom of the top corrosion-resistant shell is fixedly connected with sleeve and is penetrated in the four corners;

[0007] The lower protection assembly includes bottom corrosion-resistant shell, the periphery of the bottom of the bottom corrosion-resistant shell is fixedly connected with third sealing pad, the top of the bottom corrosion-resistant shell is fixedly connected with heat insulation plate and is penetrated, and the inner wall of the bottom corrosion-resistant shell is provided with limit slot.

[0008] As a preferred technical scheme of the utility model, the bottom of the sleeve is provided with slot, the top of the bottom corrosion-resistant shell is fixedly connected with plug and is penetrated and slidably connected with slot.

[0009] As a preferred technical scheme of the utility model, the periphery of the top corrosion-resistant shell is fixedly connected with limit ring, and the limit ring is penetrated and slidably connected with limit slot.

[0010] As a preferred technical scheme of the utility model, the top corrosion -resistant shell and bottom corrosion -resistant shell are made of polyether ether ketone, and the base layer is made of high-strength nickel-based alloy material.

[0011] As a preferred technical scheme of the utility model, the top and bottom of the base layer are fixedly connected with buffer layers, and the buffer layers are fixedly connected with the top corrosion -resistant shell and bottom corrosion -resistant shell respectively, and the top four corners of the base layer are provided with mounting holes, and the mounting holes are penetrated with sleeves and are slidingly connected.

[0012] As a preferred technical scheme of the utility model, the buffer layer is made of fluorine rubber, and the shape of the buffer layer is wave-shaped.

[0013] Compared with the prior art, the utility model provides a kind of anticorrosive automobile turbocharger gasket, with following beneficial effects:

[0014] 1, the utility model discloses top corrosion -resistant shell, bottom corrosion -resistant shell and heat insulating plate made of polyether ether ketone are cooperated, so that gasket can effectively resist the erosion of various corrosive substances in automobile exhaust, greatly improve the corrosion resistance of gasket in harsh environment, compared with traditional gasket, its service life is significantly prolonged.

[0015] 2, the utility model discloses base layer made of high-strength nickel-based alloy and wave-shaped buffer layer made of fluorine rubber, guarantee that gasket has excellent high-temperature, high-pressure performance and shock absorption buffering function, so that it can still maintain stable structure under extreme working condition, not easy to deform or damage, ensure the reliable operation of turbocharger system. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is overall structure schematic diagram of the utility model;

[0017] Figure 2 It is local structure diagram of the utility model;

[0018] Figure 3 It is overall explosion drawing of the utility model;

[0019] Figure 4 It is the structure diagram of the upper protection assembly of the utility model;

[0020] Figure 5 It is the connection schematic diagram of the upper protection assembly and the lower protection assembly of the utility model.

[0021] In the figure: 1, the upper protection assembly; 11, the top corrosion-resistant shell; 12, the sleeve; 13, the first sealing pad; 14, the second sealing pad; 15, the insertion slot; 16, the limiting ring; 2, the lower protection assembly; 21, the third sealing pad; 22, the bottom corrosion-resistant shell; 23, the insertion sleeve; 24, the heat insulation plate; 25, the limiting groove; 3, the base layer; 31, the buffer layer; 32, the mounting hole. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model. Embodiment one

[0023] Please refer to Figures 1-5 The utility model discloses a kind of anticorrosive automobile turbocharger gaskets, including base layer 3, the top of the base layer 3 is provided with upper protection assembly 1, the bottom of the upper protection assembly 1 is provided with lower protection assembly 2;

[0024] The upper protection assembly 1 includes top corrosion-resistant shell 11, the top of the top corrosion-resistant shell 11 is fixedly connected with the first sealing pad 13 in middle, the top of the top corrosion-resistant shell 11 is fixedly connected with the second sealing pad 14 in periphery, the bottom of the top corrosion-resistant shell 11 is fixedly connected with sleeve 12 and is penetrated in four corners.

[0025] The lower protection assembly 2 includes bottom corrosion-resistant shell 22, the bottom of the bottom corrosion-resistant shell 22 is fixedly connected with the third sealing pad 21 in periphery, the top of the bottom corrosion-resistant shell 22 is fixedly connected with heat insulation plate 24 and is penetrated, the inner wall of the bottom corrosion-resistant shell 22 is provided with limiting groove 25.

[0026] Please refer to the attached Figure 4 The bottom of the sleeve 12 is provided with insertion slot 15, the top of the bottom corrosion-resistant shell 22 is fixedly connected with insertion sleeve 23 and is penetrated in four corners, and insertion sleeve 23 is fixedly connected with insertion slot 15 and is slidably connected.

[0027] Please refer to the attached Figure 5 The periphery of the top corrosion-resistant shell 11 is fixedly connected with limiting ring 16, and limiting ring 16 is slidably connected with limiting groove 25 and is penetrated.

[0028] Please refer to the attached Figure 3 The top corrosion-resistant shell 11 and the bottom corrosion-resistant shell 22 are made of polyether ether ketone, and the base layer 3 is made of high-strength nickel-based alloy material.

[0029] In this embodiment, the gasket is assembled as a whole by the bolt penetrating through the sleeve 12 to fasten the exhaust manifold and the turbocharger exhaust inlet in communication, when the turbocharger works to generate high-temperature, high-pressure and corrosive gas, at this time, the base layer 3 bears the pressure and various stresses from the turbocharger operation by virtue of its high-strength nickel-based alloy characteristics, maintains the structural stability of the entire gasket, the top corrosion-resistant shell 11 and the bottom corrosion-resistant shell 22 can effectively resist the corrosive substances in the exhaust gas and protect the base layer 3 from corrosion, at the same time, the heat insulation plate 24 at the top of the bottom corrosion-resistant shell 22 can block the high temperature from the bottom to the base layer 3, maintain the performance stability of the base layer 3, and the first sealing gasket 13, the second sealing gasket 14 and the third sealing gasket 21 can increase the sealing effect of the top corrosion-resistant shell 11 and the bottom corrosion-resistant shell 22 at the equipment connection, thereby preventing gas leakage and ensuring the working efficiency and performance of the turbocharger. Embodiment two

[0030] Based on the above embodiment 1, please refer to the attached Figure 3 The top and bottom of the base layer 3 are fixedly connected with the buffer layer 31, and the buffer layer 31 is fixedly connected with the top corrosion-resistant shell 11 and the bottom corrosion-resistant shell 22, respectively, the top four corners of the base layer 3 are provided with mounting holes 32, and the mounting holes 32 are penetrated and slidably connected with the sleeve 12.

[0031] Please refer to the attached Figure 3 The buffer layer 31 is made of fluorine rubber, and the shape of the buffer layer 31 is wave-shaped.

[0032] In this embodiment, when the turbocharger works to generate vibration and pressure fluctuation, the buffer layer 31 can absorb vibration energy and relieve pressure impact by its elastic deformation, reduce the influence of vibration and impact force on the base layer 3, protect the base layer 3 from being damaged, and also help to maintain the stability of the entire gasket structure, indirectly ensuring the normal play of the sealing and protection performance.

[0033] The working principle and use process of the utility model: first through bolt penetration sleeve 12 and make gasket assembly in exhaust manifold and turbocharger exhaust inlet, so that the exhaust manifold and turbocharger exhaust inlet fastening communication, when the turbocharger starts to work, produce high temperature, high pressure and contain corrosive components gas, base layer 3 rely on the characteristics of high-strength nickel-based alloy, bear the pressure and various stress from the turbocharger operation, maintain the structure stability of the whole gasket, top corrosion-resistant shell 11 and bottom corrosion-resistant shell 22 due to the adoption of polyether ether ketone material is made, can effectively resist the corrosive substances in exhaust gas, protect base layer 3 not be corroded, at the same time, bottom corrosion-resistant shell 22 top heat insulation plate 24 block high temperature from bottom to base layer 3 transmission, maintain the performance stability of base layer 3, and first sealing gasket 13, second sealing gasket 14 and third sealing gasket 21 can increase top corrosion-resistant shell 11 and bottom corrosion-resistant shell 22 and equipment connection place's sealing effect, prevent gas leakage, ensure the working efficiency and performance of turbocharger.

[0034] Top corrosion-resistant shell 11 and bottom corrosion-resistant shell 22 are slidingly connected, so that the elastic force provided by the buffer layer 31 can increase the connectivity and sealing between the top corrosion-resistant shell 11 and the bottom corrosion-resistant shell 22 and the equipment during installation, and when the turbocharger works to generate vibration and pressure fluctuation, the buffer layer 31 made of fluorine rubber and in the wave shape can absorb vibration energy and relieve pressure impact by its elastic deformation, reduce the influence of vibration and impact force on the base layer 3, thereby protecting the base layer 3 from being damaged.

Claims

1. A corrosion resistant gasket for automotive turbochargers comprising a base layer (3), characterized in that, The top of the base layer (3) is provided with an upper protection assembly (1), and the bottom of the upper protection assembly (1) is provided with a lower protection assembly (2). The upper protection assembly (1) comprises a top corrosion-resistant shell (11), the top of the top corrosion-resistant shell (11) is fixedly connected with a first sealing pad (13) in the middle, the top of the top corrosion-resistant shell (11) is fixedly connected with a second sealing pad (14) on the periphery, and the bottom of the top corrosion-resistant shell (11) is fixedly connected with a sleeve (12) at four corners. The lower protection assembly (2) comprises a bottom corrosion-resistant shell (22), the bottom of the bottom corrosion-resistant shell (22) is fixedly connected with a third sealing pad (21) on the periphery, the top of the bottom corrosion-resistant shell (22) is fixedly connected with a heat insulation plate (24) in the middle, and the inner wall of the bottom corrosion-resistant shell (22) is provided with a limiting groove (25).

2. A corrosion resistant gasket for automotive turbochargers according to claim 1, characterized in that: The bottom of the sleeve (12) is provided with a plug groove (15), the top of the bottom corrosion-resistant shell (22) is fixedly connected with a plug sleeve (23) at four corners, and the plug sleeve (23) and the plug groove (15) are fixedly connected.

3. A corrosion resistant gasket for automotive turbochargers according to claim 1, characterized in that: The outer periphery of the top corrosion-resistant shell (11) is fixedly connected with a limiting ring (16), and the limiting ring (16) and the limiting groove (25) are fixedly connected.

4. A corrosion resistant gasket for automotive turbochargers according to claim 1, characterized in that: The top corrosion-resistant shell (11) and the bottom corrosion-resistant shell (22) are both made of polyether ether ketone, and the base layer (3) is made of high-strength nickel-based alloy material.

5. A corrosion resistant gasket for automotive turbochargers according to claim 4, characterized in that: The top and bottom of the base layer (3) are fixedly connected with a buffer layer (31), the buffer layer (31) is fixedly connected with the top corrosion-resistant shell (11) and the bottom corrosion-resistant shell (22) respectively, the top of the base layer (3) is provided with a mounting hole (32) at four corners, and the mounting hole (32) and the sleeve (12) are fixedly connected.

6. A corrosion resistant gasket for automotive turbochargers according to claim 5, characterized in that: The buffer layer (31) is made of fluorine rubber, and the shape of the buffer layer (31) is wavy.

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