Automobile oxygen sensor mounting structure

Abstract

The utility model relates to the field of oxygen sensors, and discloses an automobile oxygen sensor mounting structure which comprises an exhaust pipe, the top end of the exhaust pipe is fixedly connected with a connecting pipe, the top end of the connecting pipe is provided with a body, the top end of the exhaust pipe is provided with a dismounting assembly, and the dismounting assembly comprises a fixing block. The outer wall of the exhaust pipe is fixedly connected with a limiting ring, the fixing block is fixedly connected to the left side, close to the connecting pipe, of the top end of the exhaust pipe, the right portion of the fixing block is arranged to be in an L shape, the top end of the fixing block is slidably connected with a limiting block, and the limiting block is arranged to be in an L shape. According to the utility model, the sensor can be quickly mounted and limited by aligning the sensor with the connecting pipe and clamping the limiting block at the top end of the limiting ring, and the sensor can be quickly dismounted only by pressing the guide ring downwards during dismounting, so that the operation is convenient, the dismounting and mounting can be carried out without using a tool, the convenience of maintenance is further improved, and the maintenance efficiency is further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of oxygen sensor, especially a kind of automobile oxygen sensor mounting structure. BACKGROUND

[0002] Automobile engine as the core power component of automobile, its combustion efficiency and emission level are directly related to the environmental protection performance and fuel economy of automobile, and oxygen sensor as the key component in the electronic control system of automobile engine, undertake the important duty of accurately monitoring oxygen content in exhaust gas, and play an indispensable role in optimizing the combustion process of engine, reduce harmful gas emission.

[0003] However, at present, the installation process of many oxygen sensors is more cumbersome, needs to use tool to install and disassemble, needs to accurately align the installation hole of sensor and exhaust pipe in installation process, reduces the convenience of maintenance and replacement, and therefore a kind of automobile oxygen sensor mounting structure is proposed to solve the above problems. UTILITY MODEL CONTENT

[0004] In order to make up for the above shortcomings, the utility model provides a kind of automobile oxygen sensor mounting structure, to improve the problem of "in maintenance, every time needs to use tool to install and disassemble, more inconvenient" in prior art.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme: a kind of automobile oxygen sensor mounting structure, including exhaust pipe, the top of the exhaust pipe is fixedly connected with connecting pipe, the top of the connecting pipe is provided with body, the top of the exhaust pipe is provided with dismounting assembly, the dismounting assembly includes fixed block, the outer wall of the exhaust pipe is fixedly connected with limit ring, the fixed block is fixedly connected at the top of the exhaust pipe left side close to the connecting pipe, the right part of the fixed block is set as L shape, the top of the fixed block is slidably connected with limit block, the limit block is set as L shape, the right side top of the limit block is set as inclined plane, one end of the limit block is fixedly connected with spring, the other end of the spring is fixedly connected in the inner wall left side of fixed block, the upper middle of the limit block is fixedly connected with guide rod, the outer wall of the guide rod is slidably connected with guide frame, the guide frame is set as inclined.

[0006] As a further description of the above technical scheme:

[0007] The left side of the guide frame is fixedly connected with moving frame, and the bottom end of the moving frame penetrates and is slidably connected with support rod.

[0008] As a further description of the above technical scheme:

[0009] The support rod is fixedly connected at the top of the fixed block, and the top of the moving frame is fixedly connected with guide ring.

[0010] As the further description of the above technical solutions:

[0011] The right side of the limiting block is connected to the upper right side of the fixed block through and slidingly connected, and the right side of the fixed block is provided as a curved surface.

[0012] As the further description of the above technical solutions:

[0013] The right side top end and the middle part of the fixed block are provided as inclined surfaces, the limiting ring is movably inserted into the middle part of the right side of the fixed block, and the fixed block, the limiting block, the guide frame and the moving frame are provided as two groups, and the two groups of the fixed block, the limiting block, the guide frame and the moving frame are symmetrically arranged with the center line of the connecting pipe as the symmetric axis.

[0014] As the further description of the above technical solutions:

[0015] The top end of the fixed block is provided with a limiting assembly, and the limiting assembly comprises a locking block.

[0016] As the further description of the above technical solutions:

[0017] The front of the limiting block is provided with a sliding groove in the inner wall of the top end of the fixed block, and the locking block is slidingly connected to the inner wall of the sliding groove.

[0018] As the further description of the above technical solutions:

[0019] The top end of the locking block is fixedly connected with a connecting rod, and the top end of the connecting rod is fixedly connected with a guide frame.

[0020] The utility model has the advantages of the following beneficial effects:

[0021] 1、 in the utility model, through fixed limiting ring on the sensor, through the sensor is inserted into the connecting pipe, cooperation fixed block and limiting block can make the sensor align the connecting pipe quickly, at the same time make limiting block card in limiting ring top end can install sensor limit quickly, when disassembling, only need to press down guide ring can be quickly removed, convenient operation, do not need to use the tool to disassemble, further improve the convenience of maintenance, further improve the maintenance efficiency.

[0022] 2、 in the utility model, through setting locking block in the left side of the limiting block, limiting block can be limited through the locking block, further prevent the limiting block from moving outward and loose, further can improve the stability of limiting ring and sensor installation. DETAILED DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is the three-dimensional structure schematic view of the whole device in the utility model;

[0024] Figure 2It is the sectional view schematic diagram of the three-dimensional structure of the fixed block, the exhaust pipe and the connecting pipe in the utility model.

[0025] Figure 3 It is the sectional view schematic diagram of the three-dimensional structure of the fixed block in the utility model.

[0026] Figure 4 It is the sectional view schematic diagram of the three-dimensional structure of the fixed block in the utility model.

[0027] Legend:

[0028] 1, exhaust pipe; 2, body; 3, locking block; 21, connecting pipe; 22, fixed block; 23, moving frame; 24, guide ring; 25, guide frame; 26, support rod; 27, spring; 28, limit block; 29, limit ring; 210, guide rod; 31, connecting rod; 32, guide frame; 33, sliding slot. DETAILED DESCRIPTION

[0029] 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.

[0030] Referring to Figure 1 , Figure 2 and Figure 3 , the utility model provides an embodiment: a kind of automobile oxygen sensor mounting structure, including the exhaust pipe 1 for automobile exhaust, the top end of exhaust pipe 1 is fixedly connected with the connecting pipe 21 of connecting oxygen sensor body 2, the top end of connecting pipe 21 is provided with body 2, body 2 is the body 2 of automobile oxygen sensor, the top end of exhaust pipe 1 is provided with the dismounting assembly of convenient dismounting, and the dismounting assembly includes the fixed block 22 for providing support and installation, the outer wall of exhaust pipe 1 is fixedly connected with the limit ring 29 for installing and limiting oxygen sensor body 2, fixed block 22 is fixedly connected at the top end of exhaust pipe 1 and left side close to connecting pipe 21, the right part of fixed block 22 is provided as L shape, by being provided as L shape, limit ring 29 can be limited in the right side middle part of L shape fixed block 22, the top end of fixed block 22 is slidably connected with the limit block 28 for being quickly limited in the top end of limit ring 29 and body 2.

[0031] Further, the limiting block 28 is provided in L shape and can slide at the right side and top end of the fixed block 22, the right top end of the limiting block 28 is provided in inclined surface, by providing the inclined surface, the limiting ring 29 can directly extrude the inclined surface when installing the body 2, and then the limiting block 28 is moved to left to extrude the spring 27, the reverse force of the spring 27 being extruded can make the limiting block 28 quickly reset to quickly limit the limiting ring 29 and the body 2, the left side of the limiting block 28 is fixedly connected with one end of the spring 27, the other end of the spring 27 is fixedly connected to the inner wall left side of the fixed block 22, the spring 27 is extruded and can make the limiting block 28 quickly reset through the elastic force, the upper middle of the limiting block 28 is fixedly connected with the guide rod 210 for driving the limiting block 28 to move to left, the outer wall of the guide rod 210 is slidingly connected with the guide frame 25 provided in inclined shape and moving downward to push the guide rod 210 to move to left, the guide frame 25 is provided in inclined shape.

[0032] With reference to Figure 2 , Figure 3 and Figure 4 , the left side of the guide frame 25 is fixedly connected with the moving frame 23 for driving the guide frame 25 to move downward, the bottom end of the moving frame 23 penetrates and is slidingly connected with the supporting rod 26 for supporting the moving frame 23, the supporting rod 26 is fixedly connected to the top end of the fixed block 22, the top end of the moving frame 23 is fixedly connected with the guide ring 24 for driving two groups of moving frames 23 to move, the right side of the limiting block 28 penetrates and is slidingly connected to the upper right side of the fixed block 22, the right side of the fixed block 22 is provided in arc surface, the arc surface is provided to be in close contact with the outer wall of the body 2 to increase the stability of installation, the right side top end and the middle of the fixed block 22 are provided in inclined surface.

[0033] Further, the inclined surface can facilitate pushing the body 2 to the middle to improve the convenience of installation, conveniently aligning the body 2 with the connecting pipe 21, the limiting ring 29 is movably inserted into the right middle of the fixed block 22, the fixed block 22, the limiting block 28, the guide frame 25 and the moving frame 23 are provided in two groups, and the two groups of fixed block 22, limiting block 28, guide frame 25 and moving frame 23 are symmetrically provided with the center line of the connecting pipe 21 as the axis of symmetry, by providing the fixed block 22 and the limiting block 28 on the left and right sides of the connecting pipe 21, the body 2 can be quickly installed at the same time, and the stability of installation is improved.

[0034] With reference to Figure 2 , Figure 3 and Figure 4The top end of the fixed block 22 is provided with a limiting assembly for limiting the limiting block 28 from loosening, the limiting assembly comprises a locking block 3 moving to the left side of the limiting block 28 to limit the limiting block 28 from moving, the inner wall of the top end of the fixed block 22 is provided with a sliding groove 33 close to the front of the limiting block 28 to provide a space for the locking block 3 to move, the locking block 3 is slidingly connected to the inner wall of the sliding groove 33, the top end of the locking block 3 is fixedly connected with a connecting rod 31 for driving the locking block 3 to move, and the top end of the connecting rod 31 is fixedly connected with a guide frame 32 for driving the two groups of connecting rods 31 to move simultaneously.

[0035] Working principle: in use, during installation, the connecting part of the oxygen sensor body 2 is aligned with the connecting pipe 21 at the top end of the exhaust pipe 1, through the inclined surface design of the right top end and the middle part of the fixed block 22, the body 2 can be conveniently pushed to the middle to be more convenient to align with the connecting pipe 21, when the oxygen sensor body 2 moves downward, the limiting ring 29 fixed on the body 2 will gradually approach the fixed block 22, since the right top end of the limiting block 28 is provided with an inclined surface, the limiting ring 29 will press the inclined surface during the downward movement, at this time, the limiting block 28 is subjected to the pressing force of the limiting ring 29, and moves to the left, so as to compress the spring 27 connected to the left side, when the limiting ring 29 passes the inclined surface of the limiting block 28, the reverse force generated by the spring 27 being pressed will make the limiting block 28 quickly reset, after the limiting block 28 resets, it will be clamped at the top end of the limiting ring 29, so as to quickly limit the oxygen sensor body 2 on the connecting pipe 21, the installation is convenient and fast, since the fixed block 22, the limiting block 28, the guide frame 25 and the moving frame 23 are provided in two groups and are symmetrically arranged with the center line of the connecting pipe 21 as the axis of symmetry, therefore, the oxygen sensor body 2 can be limited and fixed on the left and right sides of the connecting pipe 21 simultaneously, the stability and rapidity of installation are improved.

[0036] When the oxygen sensor body 2 is installed in place and the limiting block 28 limits it, in order to prevent the limiting block 28 from loosening, at this time, the guide frame 32 is moved backward to drive the two groups of connecting rods 31 fixedly connected below to move simultaneously, so that the locking block 3 slides in the sliding groove 33, when the locking block 3 moves to the left side of the limiting block 28, it will block the limiting block 28 from moving, so as to further limit the limiting block 28, the stability and reliability of the installation structure are improved.

[0037] When disassembling, first reverse the guide frame 32, drive the connecting rod 31 and the locking block 3 to move away from the limiting block 28, so that the locking block 3 no longer limits the limiting block 28, then press the guide ring 24 downwards, the guide ring 24 drives the two groups of moving frames 23 fixedly connected with the guide ring 24 to move downwards, the moving frames 23 moving downwards drive the guide frame 25 to move downwards together, the guide frame 25 moving downwards pulls the guide rod 210 to move leftwards, further drives the limiting block 28 to move leftwards, compresses the spring 27, when the limiting block 28 moves rightwards to the left side outside the limiting ring 29 and no longer clamps the limiting ring 29, the oxygen sensor body 2 can be easily taken out from the connecting pipe 21, and the disassembling operation is completed.

[0038] Finally, it should be noted that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. made within the spirit and principle of the utility model, should be included in the protection scope of the utility model.

Claims

1. A mounting structure for an automotive oxygen sensor, comprising an exhaust pipe (1), characterized in that: The exhaust pipe (1) is fixedly connected to a connecting pipe (21) at its top end. The connecting pipe (21) has a body (2) at its top end. The exhaust pipe (1) has a disassembly assembly at its top end. The disassembly assembly includes a fixing block (22). A limit ring (29) is fixedly connected to the outer wall of the exhaust pipe (1). The fixing block (22) is fixedly connected to the left side of the top end of the exhaust pipe (1) near the connecting pipe (21). The right side of the fixing block (22) is L-shaped. The top end of the fixing block (22) can slide. A limiting block (28) is connected. The limiting block (28) is L-shaped. The top right side of the limiting block (28) is set as an inclined surface. One end of a spring (27) is fixedly connected to the left side of the limiting block (28). The other end of the spring (27) is fixedly connected to the left side of the inner wall of the fixing block (22). A guide rod (210) is fixedly connected to the middle of the upper part of the limiting block (28). A guide frame (25) is slidably connected to the outer wall of the guide rod (210). The guide frame (25) is set as an inclined shape.

2. The automotive oxygen sensor mounting structure according to claim 1, characterized in that: A movable frame (23) is fixedly connected to the left side of the guide frame (25), and a support rod (26) is slidably connected through the bottom end of the movable frame (23).

3. The automotive oxygen sensor mounting structure according to claim 2, characterized in that: The support rod (26) is fixedly connected to the top of the fixed block (22), and the top of the movable frame (23) is fixedly connected to the guide ring (24).

4. The automotive oxygen sensor mounting structure according to claim 3, characterized in that: The right side of the limiting block (28) is slidably connected to the upper right side of the fixing block (22), and the right side of the fixing block (22) is set as an arc surface.

5. The automotive oxygen sensor mounting structure according to claim 3, characterized in that: The top and middle right sides of the fixed block (22) are both set as inclined surfaces. The limiting ring (29) is movably inserted into the middle right side of the fixed block (22). The fixed block (22), the limiting block (28), the guide frame (25) and the moving frame (23) are set as two sets, and the two sets of the fixed block (22), the limiting block (28), the guide frame (25) and the moving frame (23) are symmetrically arranged with the center line of the connecting pipe (21) as the axis of symmetry.

6. The automotive oxygen sensor mounting structure according to claim 1, characterized in that: The top of the fixing block (22) is provided with a limiting component, which includes a locking block (3).

7. The automotive oxygen sensor mounting structure according to claim 6, characterized in that: The top inner wall of the fixing block (22) is provided with a groove (33) near the front of the limiting block (28), and the locking block (3) is slidably connected to the inner wall of the groove (33).

8. The automotive oxygen sensor mounting structure according to claim 7, characterized in that: The top end of the locking block (3) is fixedly connected to a connecting rod (31), and the top end of the connecting rod (31) is fixedly connected to a guide frame (32).

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