Built-in ceramic part of high-durability automobile oxygen sensor

Abstract

The built-in ceramic piece comprises a base and a ceramic piece body, the ceramic piece body is arranged at the top of the base, a plurality of binding holes are formed in the bottom end of the interior of the ceramic piece body, a wear-resisting layer is sprayed on the inner surface of the ceramic piece body, and an anti-deformation layer is sprayed on the outer surface of the ceramic piece body. One end of the base is fixedly sleeved with a reinforcing cover, transverse blocks are arranged on the two sides of the reinforcing cover correspondingly, reinforcing blocks are arranged on the tops of the two transverse blocks correspondingly, a wear-resisting layer, an anti-deformation layer, the reinforcing cover, a screw rod, an anti-skid disc and a suction cup are arranged, a plurality of binding holes are used for fixing a wiring harness terminal, and the wear-resisting layer is made of tungsten alloy; tungsten alloy powder is sprayed to the inner surface of the ceramic piece through spraying, the external force resistance strength of the ceramic piece is improved, the two anti-skid discs are sequentially rotated clockwise, the two screw rods are driven to move downwards, the suction cup moves downwards along with the two screw rods, the bottom face of the suction cup is attracted to the smooth installation face, and then the base can be stably installed on the installation face.

Description

An embedded ceramic component for a high-durability automotive oxygen sensor Technical Field

[0001] This utility model relates to the field of built-in ceramic components, and in particular to a built-in ceramic component for a high-durability automotive oxygen sensor. Background Technology

[0002] An automotive oxygen sensor is a sensor used to detect the oxygen concentration in automotive exhaust gases. It is commonly used in engine control systems to help adjust the fuel-air mixture ratio, optimize engine efficiency, and reduce emissions. The built-in ceramic component of the oxygen sensor is a key component, usually made of barium titanate ceramic. The oxygen sensor relies on the ceramic component to carry out an electrochemical reaction to measure the oxygen concentration in the exhaust gas.

[0003] The built-in ceramic component of an oxygen sensor is usually installed inside a metal housing. The ceramic component is fixed to the metal housing of the sensor using high-temperature resistant sealant. Over time, the sealant will degrade in performance due to the natural degradation and volatilization of its molecular structure, losing its original adhesiveness. The ceramic component will then separate from the metal housing, affecting subsequent electrochemical reactions. To address this, a high-durability built-in ceramic component for an automotive oxygen sensor was designed. Summary of the Invention

[0004] The purpose of this invention is to provide a built-in ceramic component for a high-durability automotive oxygen sensor, in order to solve the problem mentioned in the background art that, over time, the sealant will degrade in performance due to the natural degradation and volatilization of its molecular structure, lose its original adhesiveness, and the ceramic component will separate from the metal shell, affecting subsequent electrochemical reactions.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a built-in ceramic component for a high-durability automotive oxygen sensor, comprising a base and a ceramic component. The ceramic component is disposed on the top of the base. Multiple binding holes are provided at the bottom of the interior of the ceramic component. A wear-resistant layer is sprayed on the inner surface of the ceramic component, and an anti-deformation layer is sprayed on the outer surface of the ceramic component. A reinforcing cover is fixedly fitted at one end of the base. Horizontal blocks are provided on both sides of the reinforcing cover. Reinforcing blocks are provided on the top of the two horizontal blocks. Screws are threadedly connected to the interior of the two horizontal blocks, and suction cups are provided at one end of the two screws.

[0006] As a preferred embodiment of this utility model, the tops of the two suction cups are respectively fixedly connected to one end of the two screws, and the other end of the two screws is provided with an anti-slip disc.

[0007] As a preferred embodiment of this invention, the outer surfaces of both anti-slip discs are provided with multiple anti-slip textures.

[0008] As a preferred embodiment of this utility model, the top of both reinforcing blocks is provided with a limit strip, and the top of the reinforcing cover is provided with a second recessed hole on both sides.

[0009] As a preferred technical solution of this utility model, the top of each of the two reinforcing blocks is provided with a first concave hole, and one end of each of the two limiting strips is respectively connected to the internal threads of the two first concave holes and the two second concave holes.

[0010] As a preferred embodiment of this utility model, the two limiting strips are positioned correspondingly.

[0011] Compared with the prior art, the beneficial effects of this utility model are:

[0012] 1. This utility model incorporates a wear-resistant layer, an anti-deformation layer, a reinforcing cover, screws, anti-slip discs, and a suction cup. Multiple binding holes are used to fix the wire harness terminals. The wear-resistant layer is made of tungsten alloy, which is sprayed onto the inner surface of the ceramic part to enhance its wear resistance. Nickel alloy is sprayed onto the outer surface of the ceramic part through a thermal spraying process to form an anti-deformation layer. The nickel alloy has strength and heat resistance, which improves the ceramic part's resistance to external forces. Rotating the two anti-slip discs clockwise in sequence moves the two screws downward, and the suction cup moves downward as well. The bottom surface of the suction cup adheres to the smooth mounting surface, thus securely mounting the base onto the mounting surface.

[0013] 2. This utility model is designed with a reinforcing block, a horizontal block, a second recessed hole, and a limiting strip. One side of the horizontal block is attached to one side of the reinforcing cover, and the bottom surface of the reinforcing block is in contact with the top surface of the reinforcing cover. Then, one end of the limiting strip is embedded into the first and second recessed holes, and the three are connected by threads. This allows the reinforcing cover and the horizontal block to be limited and fixed. This structure facilitates the disassembly of the reinforcing cover and the horizontal block, and also allows for the replacement of the suction cup. Attached Figure Description

[0014] Figure 1 is a front view of the structure of this utility model;

[0015] Figure 2 is a side view of the structure of this utility model;

[0016] Figure 3 is a partial front view of the structure of this utility model;

[0017] Figure 4 is an enlarged view of point A in Figure 3 of this utility model.

[0018] In the diagram: 1. Base; 2. Ceramic component; 3. Wear-resistant layer; 4. Deformation-resistant layer; 5. Binding hole; 6. Reinforcing cover; 7. Reinforcing block; 8. Horizontal block; 9. Screw; 10. Anti-slip disc; 11. Suction cup; 12. First recessed hole; 13. Second recessed hole; 15. Limiting strip. Detailed Implementation

[0019] 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.

[0020] Please refer to Figures 1-4. This utility model provides a technical solution for a built-in ceramic component of a high-durability automotive oxygen sensor:

[0021] Example 1:

[0022] As shown in Figures 1-3, a built-in ceramic component for a high-durability automotive oxygen sensor includes a base 1 and a ceramic component 2. The ceramic component 2 is positioned on top of the base 1. Multiple binding holes 5 are provided at the bottom of the interior of the ceramic component 2. The inner surface of the ceramic component 2 is coated with a wear-resistant layer 3, and the outer surface of the ceramic component 2 is coated with an anti-deformation layer 4. A reinforcing cover 6 is fixedly fitted to one end of the base 1. Horizontal blocks 8 are provided on both sides of the reinforcing cover 6, and reinforcing blocks 7 are provided on the top of each of the two horizontal blocks 8. Screws 9 are threadedly connected to the interior of each of the two horizontal blocks 8, and suction cups 11 are provided at one end of each of the two screws 9. Nickel alloy is sprayed onto the outer surface of the ceramic component 2 through a thermal spraying process to form an anti-deformation layer 4. The nickel alloy has strength and heat resistance, which improves the resistance of the ceramic component 2 to external forces. By rotating the two anti-slip discs 10 clockwise in sequence, the two screws 9 move downwards, and the suction cups 11 move downwards accordingly. The bottom surface of the suction cups 11 adheres to the smooth mounting surface, thus securely mounting the base 1 onto the mounting surface.

[0023] Example 2:

[0024] Based on Embodiment 1, as shown in Figures 1 and 4, the tops of the two suction cups 11 are fixedly connected to one end of the two screws 9 respectively. The other end of each screw 9 is provided with an anti-slip plate 10. The tops of the two reinforcing blocks 7 are provided with limiting strips 15. The tops of the reinforcing cover 6 are provided with second recessed holes 13 on both sides. By setting the reinforcing blocks 7, the horizontal blocks 8, the second recessed holes 13 and the limiting strips 15, one side of the horizontal blocks 8 is in contact with one side of the reinforcing cover 6. At this time, the bottom surface of the reinforcing blocks 7 is in contact with the top of the reinforcing cover 6. Then, one end of the limiting strip 15 is embedded into the inside of the first recessed hole 12 and the second recessed hole 13. The three are threaded together, so that the reinforcing cover 6 and the horizontal blocks 8 can be limited and fixed.

[0025] Working Principle: An automotive oxygen sensor is a sensor used to detect the oxygen concentration in automotive exhaust gases. It is commonly used in engine control systems to help adjust the fuel-air mixture ratio, optimize engine efficiency, and reduce emissions. The built-in ceramic component of the oxygen sensor is a key component, typically made of barium titanate ceramic. The oxygen sensor relies on the ceramic component to conduct an electrochemical reaction to measure the oxygen concentration in the exhaust. The built-in ceramic component is usually installed inside a metal housing. The ceramic component 2 is fixed to the metal housing of the sensor using high-temperature resistant sealant. Over time, the sealant will degrade in performance due to the natural degradation and volatilization of its molecular structure, losing its original adhesiveness. The ceramic component 2 will then separate from the metal housing, affecting subsequent electrochemical reactions. Therefore, a high-durability built-in ceramic component for the automotive oxygen sensor is designed. Multiple binding holes 5 are used to fix the wiring harness terminals, and the wear-resistant layer 3 is made of tungsten alloy. Tungsten alloy powder is sprayed onto the inner surface of ceramic part 2 to enhance its wear resistance. Nickel alloy is sprayed onto the outer surface of ceramic part 2 through thermal spraying to form an anti-deformation layer 4. Nickel alloy has strength and heat resistance, which improves the strength of ceramic part 2 against external forces. The two anti-slip discs 10 are rotated clockwise in sequence, which drives the two screws 9 to move downwards. The suction cup 11 moves downwards as well. The bottom surface of the suction cup 11 adheres to the smooth mounting surface, so that the base 1 can be firmly installed on the mounting surface. One side of the horizontal block 8 is attached to one side of the reinforcing cover 6. At this time, the bottom surface of the reinforcing block 7 is in contact with the top of the reinforcing cover 6. Then, one end of the limiting strip 15 is embedded into the first concave hole 12 and the second concave hole 13. The three are threaded together to limit and fix the reinforcing cover 6 and the horizontal block 8. This structure facilitates the disassembly of the reinforcing cover 6 and the horizontal block 8, and also allows the suction cup 11 to be replaced.

[0026] In the description of this utility model, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing this utility model and simplifying the description, and is 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.

[0027] In this utility model, unless otherwise explicitly specified and limited, for example, it can be a fixed connection, a detachable connection, or an integral part; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components or an interaction between two components. Unless otherwise explicitly limited, those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0028] 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 built-in ceramic component for a high-durability automotive oxygen sensor, comprising a base (1) and a ceramic component (2), wherein the ceramic component (2) is disposed on top of the base (1), characterized in that: The ceramic part (2) has multiple binding holes (5) at the bottom inside. The inner surface of the ceramic part (2) is coated with a wear-resistant layer (3). The outer surface of the ceramic part (2) is coated with an anti-deformation layer (4). A reinforcing cover (6) is fixedly fitted at one end of the base (1). Horizontal blocks (8) are provided on both sides of the reinforcing cover (6). A reinforcing block (7) is provided on the top of each of the two horizontal blocks (8). Screws (9) are threadedly connected inside each of the two horizontal blocks (8). A suction cup (11) is provided at one end of each of the two screws (9).

2. The built-in ceramic component of a high-durability automotive oxygen sensor according to claim 1, characterized in that: The tops of the two suction cups (11) are fixedly connected to one end of the two screws (9), and the other end of the two screws (9) is provided with an anti-slip disc (10).

3. The built-in ceramic component of a high-durability automotive oxygen sensor according to claim 2, characterized in that: The outer surfaces of both anti-slip discs (10) are provided with multiple anti-slip patterns.

4. The built-in ceramic component of a high-durability automotive oxygen sensor according to claim 1, characterized in that: The top of each of the two reinforcing blocks (7) is provided with a limit strip (15), and the top of the reinforcing cover (6) is provided with a second recess (13) on both sides.

5. The built-in ceramic component of a high-durability automotive oxygen sensor according to claim 4, characterized in that: The top of each of the two reinforcing blocks (7) is provided with a first recess (12), and one end of each of the two limiting strips (15) is respectively threaded into the two first recesses (12) and the two second recesses (13).

6. The built-in ceramic component of a high-durability automotive oxygen sensor according to claim 5, characterized in that: The two limit bars (15) are positioned correspondingly.

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