Oxygen sensor convenient to disassemble and assemble
By designing a disassembly and assembly mechanism and baffle protection, the problems of easy corrosion and damage at the oxygen sensor connection point were solved, enabling rapid disassembly and assembly and extending service life.
Patent Information
- Application Number
- CN202520205152.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-10
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2035-02-10
AI Technical Summary
Existing oxygen sensors are prone to corrosion at the connection points after prolonged use, which increases the difficulty of disassembly and affects their service life. They are also susceptible to impact from gravel and water accumulation during vehicle operation.
The device employs a disassembly and assembly mechanism, including components such as a disassembly and assembly sleeve, a push column, an elastic sheet, a fixing ring, and a limiting block. It achieves rapid disassembly and assembly through a sliding and rotating array design, and protects the oxygen sensor with a baffle.
It reduces disassembly difficulty, minimizes corrosion impact, protects oxygen sensors from impacts from gravel and water corrosion, and improves service life and installation efficiency.
Smart Images
Figure CN223635806U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of automobile oxygen sensor, especially to an oxygen sensor convenient to dismount. BACKGROUND
[0002] The automobile oxygen sensor is the key feedback sensor in the electronic injection engine control system, is the key part of controlling automobile exhaust emission, reducing automobile environmental pollution, improving automobile engine fuel combustion quality, can obtain the air-fuel ratio signal of mixed gas through detecting the content of oxygen ion in exhaust gas, and changes the air-fuel ratio signal into electronic signal and inputs engine ECU, and the ECU corrects injection time according to the oxygen sensor signal, makes the engine obtain the mixed gas of optimum concentration, thereby reaches reducing harmful gas emission and improving fuel economy.
[0003] In the prior art, the fixing of the oxygen sensor usually uses threaded rotary installation, since the oxygen sensor is installed on the automobile exhaust pipe, the automobile exhaust pipe is below the automobile chassis, the installation is limited by the automobile chassis, after long time use, the connecting portion is easily corroded, the corroded connecting portion not only increases the dismounting difficulty of the oxygen sensor, but also affects the service life of the oxygen sensor connecting portion, therefore, the oxygen sensor convenient to dismount is provided to solve the above problems. SUMMARY
[0004] In order to make up for the above shortcomings, the utility model provides a kind of oxygen sensor convenient to dismount, to improve the problems of "oxygen sensor after long time use, connecting portion is easily corroded, corroded connecting portion not only increases the dismounting difficulty of oxygen sensor, but also affects the service life of oxygen sensor connecting portion" in prior art.
[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme: a kind of oxygen sensor convenient to dismount, including shell, the outer wall of the shell is provided with dismounting mechanism, the dismounting mechanism includes connecting assembly and fixed assembly, the fixed mechanism includes dismounting sleeve, the dismounting sleeve is slidably connected in the outer wall of shell, the inner wall of the dismounting sleeve is fixedly connected with push column, the bottom of the push column is provided with elastic sheet, the bottom of the elastic sheet is fixedly connected with fixed ring, the lower surface of the fixed ring is fixedly connected with limit block.
[0006] As a further description of the above technical scheme:
[0007] The connecting assembly includes mounting seat, the mounting seat is arranged on the outer wall of the shell, the inner wall of the mounting seat is fixedly connected with fixed block, and the outer wall of the mounting seat is fixedly connected with baffle.
[0008] As a further description of the above technical scheme:
[0009] The outer wall of the shell is provided with a sliding groove, the outer wall of the shell is provided with a fixing groove, and the outer wall of the shell is fixedly connected with a stop block.
[0010] As a further description of the above technical solution:
[0011] The push column is slidingly connected to the inner wall of the shell, and the fixing ring is sleeved on the outer wall of the shell.
[0012] As a further description of the above technical solution:
[0013] The shapes of the limiting block and the fixing block are both triangular.
[0014] As a further description of the above technical solution:
[0015] The outer wall of the baffle is provided with a water leakage hole, and the shape of the baffle is arc-shaped.
[0016] As a further description of the above technical solution:
[0017] The shape of the dismounting sleeve is hexagonal, and the shape of the elastic sheet is V-shaped.
[0018] As a further description of the above technical solution:
[0019] The elastic sheet and the push column are both rotationally arranged around the center line of the shell as the rotation axis.
[0020] The utility model has the advantages of the following beneficial effects:
[0021] 1、 the utility model discloses, through the cooperation of fixed component and connecting component, can let oxygen sensor quick fixed installation, elastic sheet is separated from the contact fixed block fixed effect mode of the mode of limiting, is influenced by corrosion less than the mode of screw rotation installation, when disassembling, the damage to the connecting place is smaller, further improve the use effect of device.
[0022] 2、 the utility model discloses, through setting up baffle, can protect oxygen sensor, prevent the bottom of the car when driving and splash the pebble knock into oxygen sensor, lead to oxygen sensor to be damaged, and the water leakage hole that baffle is provided with can leak the water in the baffle when the car wades, prevent the oxygen sensor from being corroded by the ponding. DRAWINGS
[0023] Figure 1 It is the three-dimensional structure schematic diagram of the whole device in the utility model;
[0024] Figure 2 It is the three-dimensional structure split schematic diagram of the mounting seat and the shell in the utility model;
[0025] Figure 3It is the three-dimensional structure schematic view of the shell in the utility model.
[0026] Figure 4 It is the three-dimensional structure schematic view of the dismounting sleeve and the fixing ring in the utility model.
[0027] Legend:
[0028] 1, shell; 2, dismounting sleeve; 3, mounting seat; 4, baffle; 5, water leakage hole; 6, fixed block; 7, fixing ring; 8, sliding groove; 9, stop block; 10, fixed groove; 11, push column; 12, elastic sheet; 13, limiting block. Specific implementation
[0029] The technical scheme 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, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.
[0030] Refer to Figure 1 , Figure 3 An embodiment provided by the utility model: a kind of oxygen sensor convenient to dismount, the outer wall of shell 1 is provided with the dismounting mechanism for quickly dismounting oxygen sensor, dismounting mechanism includes connecting assembly and fixed component, fixed mechanism includes the dismounting sleeve 2 for controlling sensor dismounting, dismounting sleeve 2 is slidably connected in the outer wall of shell 1, dismounting sleeve 2 is moved by sliding push column 11, the inner wall of dismounting sleeve 2 is fixedly connected with push column 11 for letting elastic sheet 12 disengage stop block 9, the bottom of push column 11 is provided with elastic sheet 12 for controlling limiting block 13 fixed fixed block 6, the bottom of elastic sheet 12 is fixedly connected with the fixed ring 7 for installing elastic sheet 12 and limiting block 13, the lower surface of fixed ring 7 is fixedly connected with limiting block 13 for limiting fixed fixed block 6.
[0031] Refer to Figure 1 , Figure 3 、 Figure 4 Connecting assembly includes mounting seat 3 for installation, mounting seat 3 is arranged on the outer wall of shell 1, mounting seat 3 is fixed on the exhaust pipe of automobile, as the installation connecting part of oxygen sensor, the inner wall of mounting seat 3 is fixedly connected with fixed block 6 for fixing oxygen sensor, the outer wall of mounting seat 3 is fixedly connected with baffle 4 for protecting oxygen sensor, the outer wall of shell 1 is provided with sliding groove 8 for providing moving space for fixed block 6 fixed, the outer wall of shell 1 is provided with fixed groove 10 for fixing fixed block 6, the outer wall of shell 1 is fixedly connected with stop block 9 for blocking elastic sheet 12, push column 11 is slidably connected in the inner wall of shell 1, and it will not affect the installation of oxygen sensor.
[0032] Referring to Figure 2 , Figure 3 , Figure 4 The fixing ring 7 is sleeved on the outer wall of the shell 1, so that the fixing ring 7 can rotate during disassembly. The shapes of the limiting block 13 and the fixing block 6 are both triangular. The triangular inclined surface of the limiting block 13 can provide a moving space for the fixing block 6 during disassembly, so that the fixing block 6 can enter the inside of the fixing groove 10 better. The outer wall of the baffle 4 is provided with a water leakage hole 5 for preventing water accumulation. The shape of the baffle 4 is arc-shaped, so that the oxygen sensor can be protected. The shape of the disassembly sleeve 2 is hexagonal, so that the oxygen sensor can be rotated conveniently during installation. The shape of the elastic sheet 12 is V-shaped, so that the elastic sheet 12 can be limited during fixing. The elastic sheet 12 and the push column 11 are both rotationally arranged around the center line of the shell 1 as the rotation axis.
[0033] Working principle: in use, the mounting seat 3 is connected to the exhaust pipe, the oxygen sensor is inserted into the inside of the mounting seat 3, the fixing block 6 is slid in the sliding groove 8, when the fixing block 6 contacts the limiting block 13, the shell 1 is rotated, the limiting block 13 pushes the fixing ring 7 to move upward, one side of the V-shaped elastic sheet 12 is limited by the push column 11 and the stop block 9, so that the fixing ring 7 is kept stable, when the fixing block 6 is clamped into the fixing groove 10, the limiting block 13 and the elastic sheet 12 fix the fixing block 6, at this time, the installation of the oxygen sensor is completed. When disassembly is needed, the disassembly sleeve 2 is pressed downward, the disassembly sleeve 2 drives the push column 11 to move downward, the push column 11 extrudes the elastic sheet 12, so that the elastic sheet 12 is separated from the limitation of the stop block 9, the shell 1 is rotated, the fixing block 6 pushes the limiting block 13 to enter the inside of the sliding groove 8, at this time, the oxygen sensor can be pulled out, the disassembly is completed. The baffle 4 on the mounting seat 3 can block the impact of the oxygen sensor by the stones, so that the oxygen sensor is protected, and the use effect of the oxygen sensor is improved.
[0034] Finally, it should be noted that: the above only describes preferred embodiments of the present application, and is not intended to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacements to some technical features, as long as they are within the spirit and principles of the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.
Claims
1. An oxygen sensor which is easy to disassemble, comprising a housing (1), characterized in that: The outer wall of the shell (1) is provided with a dismounting mechanism, the dismounting mechanism comprises a connecting assembly and a fixing assembly, the fixing mechanism comprises a dismounting sleeve (2), the dismounting sleeve (2) is slidably connected to the outer wall of the shell (1), the inner wall of the dismounting sleeve (2) is fixedly connected with a push column (11), the bottom end of the push column (11) is provided with an elastic sheet (12), the bottom of the elastic sheet (12) is fixedly connected with a fixing ring (7), the lower surface of the fixing ring (7) is fixedly connected with a limiting block (13).
2. The easily removable oxygen sensor according to claim 1, wherein: The connecting assembly comprises a mounting seat (3), the mounting seat (3) is arranged on the outer wall of the shell (1), the inner wall of the mounting seat (3) is fixedly connected with a fixing block (6), and the outer wall of the mounting seat (3) is fixedly connected with a baffle (4).
3. The easily removable oxygen sensor as set forth in claim 1, wherein: The outer wall of the shell (1) is provided with a sliding groove (8), the outer wall of the shell (1) is provided with a fixing groove (10), and the outer wall of the shell (1) is fixedly connected with a stop block (9).
4. The easily removable oxygen sensor of claim 1, wherein: The fixing ring (7) is sleeved on the outer wall of the shell (1).
5. The easily removable oxygen sensor of claim 1, wherein: The shapes of the limiting block (13) and the fixing block (6) are both triangular.
6. The easily removable oxygen sensor of claim 2, wherein: The outer wall of the baffle (4) is provided with a water leakage hole (5), and the shape of the baffle (4) is arc-shaped.
7. The easily removable oxygen sensor of claim 1, wherein: The shape of the dismounting sleeve (2) is hexagonal, and the shape of the elastic sheet (12) is V-shaped.
8. The easily removable oxygen sensor of claim 1, wherein: The elastic sheet (12) and the push column (11) are both rotationally arranged around the center line of the shell (1) as the rotation axis.