Joint structure of oxygen sensor

Abstract

The utility model discloses a connector structure of an oxygen sensor, which belongs to the field of oxygen sensor connectors and comprises an air head, and an adjusting component is mounted at the right end of the air head. According to the technical scheme, all parts of the adjusting assembly are matched to adjust the direction and angle of an air head, a connector is connected with an automobile, a nut, a fixing ring and a gasket are matched to fix the position of a bent pipe, the air head is manually rotated, the air head rotates on the bent pipe, and after the air head is adjusted to the proper angle, the nut is rotated to move towards the air head. The nut, the fixing ring and the gasket clamp the shell of the gas head, so that the gas head is connected with the bent pipe, the angle of the gas head is limited, and then the gas head is connected with the input end of the oxygen sensor. And customization according to the installation space of the automobile is not needed.

Description

Technical Field

[0001] The utility model relates to the field of oxygen sensor connectors, and more specifically, to a connector structure for an oxygen sensor. Background Art

[0002] An oxygen sensor is a sensor used to detect the oxygen content in the exhaust gas of an engine. The oxygen sensor is usually installed in the exhaust system of an automotive engine, and its main function is to provide information about the oxygen concentration in the exhaust gas to the electronic control unit (ECU) of the vehicle, so that the ECU can accurately control the fuel injection amount and ignition timing of the engine, thereby achieving the best combustion efficiency and reducing harmful emissions.

[0003] Chinese Patent Application No.: CN202223284947.9 provides an anti-loosening nitrogen oxide sensor connection structure. Through the setting of the window opening, the PIN pin and the crimp terminal can be welded inside the interface pipeline, the connection is more firm, which is convenient for the positioning of the welding equipment and welding; through the cooperation of the guiding rib and the wire groove, the cooperation between the circuit board bracket and the wire harness plug-in is more stable, restricting the freedom between the circuit board bracket and the wire harness plug-in in the axial direction, making the connection between the PIN pin and the crimp terminal more stable; through the cooperation of the bracket buckle and the clip, after the circuit board bracket and the wire harness plug-in are connected, they are not easy to loosen, and together with the guiding rib and the wire groove, the function of anti-loosening in all degrees of freedom is realized. However, when some connectors connect the oxygen sensor to the vehicle, the installation space of some vehicles is not compatible with the oxygen sensor, and the installation of the oxygen sensor may be restricted, and a special connector needs to be customized, which is not convenient to use.

[0004] Therefore, in view of the above problems, a connector structure for an oxygen sensor is proposed. Summary of the Utility Model

[0005] In order to overcome the deficiencies of the prior art, the purpose of the utility model is to provide a connector structure for an oxygen sensor. By adjusting the cooperation of the various parts of the adjusting component, the direction and angle of the gas head are adjusted. The connection head is used to connect with the vehicle, and the nut, fixed ring, and gasket cooperate to fix the position of the elbow pipe. Manually rotate the gas head, and the gas head rotates on the elbow pipe. After adjusting the gas head to an appropriate angle, rotate the nut to make the nut move towards the gas head. The nut, fixed ring, and gasket clamp the outer shell of the gas head, so that the gas head is connected to the elbow pipe, and the angle of the gas head is limited. Subsequently, the gas head is connected to the input end of the oxygen sensor. Compared with the traditional connector, the connector of the present application can facilitate the adjustment of the connection angle between the oxygen sensor and the vehicle, does not need to be customized according to the installation space of the vehicle, is applicable to a variety of vehicles, and is more convenient to use.

[0006] The above technical object of the utility model is achieved through the following technical solutions:

[0007] A joint structure of an oxygen sensor includes a gas head, and an adjusting component is installed at the right end of the gas head; the adjusting component includes a bent pipe, the bent pipe penetrates through the right end of the gas head and extends into the interior of the gas head, a fixing ring is installed in the middle of the bent pipe and inside the gas head, the fixing ring is fixedly connected to the bent pipe, one end of the fixing ring is fixedly connected with a gasket, the gasket abuts against the inner wall of the gas head, a nut is installed in the middle of the bent pipe and outside the gas head, the nut is threadedly connected to the bent pipe, and a connecting head is fixedly connected to the end of the bent pipe away from the nut;

[0008] By adjusting the direction and angle of the gas head, the most suitable connection angle is found. After the gas head is adjusted to the appropriate angle, rotate the nut to make the nut move towards the gas head. The nut cooperates with the fixing ring and the gasket to clamp the outer shell of the gas head. Thus, the gas head is connected to the bent pipe, and the angle of the gas head is limited.

[0009] Refer to Figure 2 As shown, the interior of the gas head is vacuum, two air holes are opened at the bottom end of the gas head, a through hole adapted to the fixing ring, the gasket, the bent pipe, and the nut is opened at the right end of the gas head, and the through hole and the air holes are both communicated with the interior of the gas head.

[0010] Refer to Figure 4 As shown, threads are engraved at both the head and the tail ends of the bent pipe. The head end of the bent pipe is fixedly connected to the fixing ring, the tail end of the bent pipe is fixedly connected to the connecting head, and the head end of the bent pipe penetrates through the through hole.

[0011] Refer to Figure 4 As shown, a groove adapted to the gasket is opened at the outer end of the fixing ring, and the fixing ring is sleeved on the middle of the bent pipe.

[0012] Refer to Figure 4 As shown, an air inlet hole is opened at the top end of the connecting head, the air inlet hole penetrates through the connecting head, and the air inlet hole is communicated with the bent pipe.

[0013] Refer to Figure 4 As shown, a plurality of filter holes are opened on the outer wall of the connecting head and are arranged at equal distances, and the filter holes are communicated with the air inlet hole.

[0014] In summary, the present utility model has the following beneficial effects:

[0015] In this solution, the direction and angle of the air head are adjusted by coordinating the various parts of the adjustment component. The connection head is used to connect with the vehicle, and the nut, fixed ring, and gasket cooperate to fix the position of the bent pipe. The air head is manually rotated and rotates on the bent pipe. After adjusting the air head to the appropriate angle, the nut is rotated to move the nut towards the air head. The nut, fixed ring, and gasket clamp the outer shell of the air head, thus connecting the air head to the bent pipe and limiting the angle of the air head. Subsequently, the air head can be connected to the input end of the oxygen sensor. Compared with traditional connectors, the connector of this application can facilitate the adjustment of the connection angle between the oxygen sensor and the vehicle, does not need to be customized according to the installation space of the vehicle, is applicable to various vehicles, and is more convenient to use. Description of the Drawings

[0016] Figure 1 is the schematic diagram of the overall structure in this embodiment;

[0017] Figure 2 is the schematic diagram of the cross-sectioned structure of the air head in this embodiment;

[0018] Figure 3 is the schematic diagram of the structure of the adjustment component in this embodiment;

[0019] Figure 4 is the schematic diagram of the disassembled structure of the adjustment component in this embodiment.

[0020] In the figure, 1 is the air head; 2 is the adjustment component; 201 is the bent pipe; 202 is the connection head; 203 is the fixed ring; 204 is the gasket; 205 is the nut. Detailed Description of the Embodiment

[0021] The following further elaborates on the present utility model in conjunction with the attached drawings.

[0022] Among them, the same components are denoted by the same reference numerals. It should be noted that the terms "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to the directions in the drawings, and the terms "bottom surface" and "top surface", "inner" and "outer" respectively refer to the directions towards or away from the geometric center of a specific component.

[0023] Refer to Figures 1-4As shown in the figure, this is a joint structure of an oxygen sensor in a preferred embodiment of the present utility model, which includes a gas head 1, and an adjustment component 2 is installed at the right end of the gas head 1; the adjustment component 2 includes an elbow pipe 201, the elbow pipe 201 penetrates through the right end of the gas head 1 and extends into the interior of the gas head 1, a fixing ring 203 is installed in the middle of the elbow pipe 201 and inside the gas head 1, the fixing ring 203 is fixedly connected to the elbow pipe 201, one end of the fixing ring 203 is fixedly connected with a gasket 204, the gasket 204 abuts against the inner wall of the gas head 1, a nut 205 is installed in the middle of the elbow pipe 201 and outside the gas head 1, the nut 205 is threadedly connected to the elbow pipe 201, and a connection head 202 is fixedly connected to the end of the elbow pipe 201 away from the nut 205;

[0024] By adjusting the direction and angle of the gas head 1, the most suitable connection angle is found. After the gas head 1 is adjusted to the appropriate angle, the nut 205 is rotated to make the nut 205 move towards the gas head 1. The nut 205 cooperates with the fixing ring 203 and the gasket 204 to clamp the outer shell of the gas head 1. Thus, the gas head 1 is connected to the elbow pipe 201, and the angle of the gas head 1 is limited.

[0025] Refer to Figure 2 As shown in the figure, the interior of the gas head 1 is vacuum, two air holes are opened at the bottom end of the gas head 1, and a through hole adapted to the fixing ring 203, the gasket 204, the elbow pipe 201, and the nut 205 is opened at the right end of the gas head 1. The through hole and the air holes are both communicated with the interior of the gas head 1.

[0026] Refer to Figure 4 As shown in the figure, threads are engraved at both ends of the elbow pipe 201. The first end of the elbow pipe 201 is fixedly connected to the fixing ring 203, the second end of the elbow pipe 201 is fixedly connected to the connection head 202, and the first end of the elbow pipe 201 penetrates through the through hole.

[0027] Refer to Figure 4 As shown in the figure, a groove adapted to the gasket 204 is opened at the outer end of the fixing ring 203, and the fixing ring 203 is sleeved on the middle of the elbow pipe 201.

[0028] Refer to Figure 4 As shown in the figure, an air inlet hole is opened at the top end of the connection head 202, the air inlet hole penetrates through the connection head 202, and the air inlet hole is communicated with the elbow pipe 201.

[0029] Refer to Figure 4 As shown in the figure, a plurality of filter holes are opened on the outer wall of the connection head 202 and are arranged at equal distances, and the filter holes are communicated with the air inlet hole.

[0030] Specific implementation process: First, connect the connector 202 to the corresponding part of the vehicle, ensuring a firm connection and that the air holes are connected to the gas transmission channel of the vehicle. Since multiple equally spaced filter holes are provided on the outer wall of the connector 202, these filter holes can initially filter the incoming gas to prevent impurities from entering the subsequent oxygen sensor connector structure. Next, according to the installation space inside the vehicle and the position requirements of the oxygen sensor, manually rotate the gas head 1. The gas head 1 rotates on the elbow 201. By adjusting the direction and angle of the gas head 1, the most suitable connection angle is found. When the gas head 1 is adjusted to the appropriate angle, rotate the nut 205 to move the nut 205 towards the gas head 1. The nut 205 cooperates with the fixed ring 203 and the gasket 204 to clamp the outer shell of the gas head 1. In this way, the gas head 1 is connected to the elbow 201, and the angle of the gas head 1 is limited. Finally, connect the gas head 1 to the input end of the oxygen sensor to complete the installation of the entire oxygen sensor connector structure. Compared with traditional connectors, the connector of the present application can facilitate the adjustment of the connection angle between the oxygen sensor and the vehicle, does not need to be customized according to the installation space of the vehicle, is applicable to various vehicles, and is more convenient to use.

[0031] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed. The scope of protection claimed by the present invention is defined by the appended claims and their equivalents.

Claims

1. A joint structure of an oxygen sensor, characterized in that: It includes a gas head (1), and an adjustment component (2) is installed at the right end of the gas head (1); the adjustment component (2) includes an elbow pipe (201), the elbow pipe (201) penetrates through the right end of the gas head (1) and extends into the interior of the gas head (1), a fixing ring (203) is installed in the middle of the elbow pipe (201) and inside the gas head (1), the fixing ring (203) is fixedly connected to the elbow pipe (201), one end of the fixing ring (203) is fixedly connected to a gasket (204), the gasket (204) abuts against the inner wall of the gas head (1), a nut (205) is installed in the middle of the elbow pipe (201) and outside the gas head (1), the nut (205) is threadedly connected to the elbow pipe (201), and a connection head (202) is fixedly connected to the end of the elbow pipe (201) far from the nut (205).

2. The joint structure of an oxygen sensor according to claim 1, characterized in that: The interior of the gas head (1) is vacuum, two air holes are opened at the bottom end of the gas head (1), and a through hole adapted to the fixing ring (203), the gasket (204), the elbow pipe (201), and the nut (205) is opened at the right end of the gas head (1), and the through hole and the air holes are both communicated with the interior of the gas head (1).

3. The joint structure of an oxygen sensor according to claim 2, characterized in that: Threads are engraved at both the head and tail ends of the elbow pipe (201), the head end of the elbow pipe (201) is fixedly connected to the fixing ring (203), the tail end of the elbow pipe (201) is fixedly connected to the connection head (202), and the head end of the elbow pipe (201) penetrates through the through hole.

4. The joint structure of an oxygen sensor according to claim 1, characterized in that: A groove adapted to the gasket (204) is opened at the outer end of the fixing ring (203), and the fixing ring (203) is sleeved on the middle of the elbow pipe (201).

5. The joint structure of an oxygen sensor according to claim 1, characterized in that: An air injection hole is opened at the top end of the connection head (202), the air injection hole penetrates through the connection head (202), and the air injection hole is communicated with the elbow pipe (201).

6. The joint structure of an oxygen sensor according to claim 5, characterized in that: A plurality of filter holes are opened on the outer wall of the connection head (202) and are arranged at equal intervals, and the filter holes are communicated with the air injection hole.

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