Oxygen sensor probe sealing structure

By combining the main module and the sealing module, and utilizing the design of sealing grooves, sealing plates, hinges, sealing rings and magnetic blocks, the sealing problem of the oxygen sensor probe when idle is solved, and the sealing performance and sensitivity of the probe are improved.

CN223756721UActive Publication Date: 2026-01-02WUHAN TIANBANG OXGEN SENSOR
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Patent Information

Application Number
CN202520033407.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-08
Publication Date
2026-01-02
Estimated Expiration
2035-01-08

AI Technical Summary

Technical Problem

Existing oxygen sensor probes are difficult to keep sealed when not in use, resulting in long-term exposure to air and affecting their sensitivity.

Method used

The probe body is sealed by a combination of a main module and a sealing module, including a housing assembly and a sealing assembly. The design of sealing groove, sealing plate, hinge, sealing ring, magnetic block and fixing pin achieves sealing of the probe body.

Benefits of technology

This effectively avoids prolonged exposure of the probe body to air, improving the probe's sealing and sensitivity, and enhancing its practicality.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223756721U_ABST
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Abstract

The utility model discloses an oxygen sensor probe sealing structure, and belongs to the technical field of probe sealing structures, the oxygen sensor probe sealing structure comprises a main body module and a sealing module, the main body module comprises a mounting disc, a probe main body is arranged on one side of the mounting disc, and the sealing module is arranged between the mounting disc and the probe main body; the sealing module comprises a box body assembly arranged outside the probe main body, the probe main body is located inside the box body assembly, and a sealing assembly is arranged at the top of the box body assembly. The probe body can be sealed in cooperation with the box body assembly, so that the probe body can be prevented from being exposed in the air for a long time, and practicability is improved.
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Description

TECHNICAL FIELD

[0001] The application relates to the technical field of probe sealing structures, in particular to an oxygen sensor probe sealing structure. BACKGROUND

[0002] The oxygen probe is a commonly used sensor for heat treatment control atmosphere, is a measuring probe for determining the oxygen partial pressure in a carbon-containing atmosphere, and is a method for indirectly measuring the carbon potential of the atmosphere in the furnace. The oxygen potential generated by the different oxygen concentrations on the inside and outside of zirconia at high temperature is used to measure the oxygen content of the measured part.

[0003] According to the search, the Chinese patent with the publication number CN218003357U discloses a nitrogen-oxygen sensor probe sealing structure, which comprises a base and a ceramic core. The base has a cylindrical inner cavity, and three fixed ceramics are arranged in the inner cavity, namely a first ceramic, a second ceramic and a third ceramic. The third ceramic contacts the lower part of the inner cavity, and sealing rings are arranged between the adjacent fixed ceramics. The fixed ceramics are provided with tapered positioning bosses on the surfaces in contact with the sealing rings. The sealing rings are provided with grooves matched with the positioning bosses. Through holes are arranged at the opposite positions of the middle parts of the fixed ceramics and the sealing rings, and the ceramic core is arranged in the through holes. Through the arrangement of the positioning bosses, the sealing rings can be positioned before being pressed and assembled, and the sealing rings can be guided during the pressing and assembly. The tapered positioning bosses can ensure that the powder is not dead during filling, and the sealing rings can be fully filled after being crushed to ensure the sealing property.

[0004] According to the related technology in the above, the applicant believes that the sealing structure for the whole is not arranged, so that the probe is difficult to maintain the sealing property when being idle, and the sensitivity of the probe may be reduced due to the long-term exposure of the probe to the air. Therefore, the oxygen sensor probe sealing structure is proposed. Content of the utility model

[0005] In order to solve the above problems, the application provides an oxygen sensor probe sealing structure, which adopts the following technical scheme:

[0006] The oxygen sensor probe sealing structure comprises a main body module and a sealing module. The main body module comprises a mounting disc, and the mounting disc is provided with a probe main body on one side. The sealing module is arranged between the mounting disc and the probe main body. The sealing module comprises a box body assembly arranged outside the probe main body. The probe main body is located in the inside of the box body assembly. The top of the box body assembly is provided with a sealing assembly.

[0007] By adopting the above technical scheme, the probe main body can be sealed when being idle, so that the probe main body is prevented from being exposed to the air for a long time, and the sensitivity of the probe is prevented from being reduced, thereby improving the practicability.

[0008] Further, the box assembly comprises a special-shaped block, a sealing groove is formed in the top of the special-shaped block, and the probe body is movably connected in the sealing groove.

[0009] By adopting the above technical scheme, the probe body can be arranged.

[0010] Further, the box assembly further comprises a sealing sheet arranged at one end of the sealing groove, and the sealing sheet movably abuts against the mounting disc.

[0011] By adopting the above technical scheme, the sealing property between the mounting disc and the sealing groove can be improved.

[0012] Further, the box assembly further comprises a semicircular ring fixedly connected at one end of the special-shaped block.

[0013] By adopting the above technical scheme, the special-shaped block can be conveniently hung.

[0014] Further, the sealing assembly comprises two hinges arranged at the top of the special-shaped block, a sealing plate is arranged between the two hinges, a sealing ring is fixedly connected to the bottom of the sealing plate, and the sealing ring movably abuts against the inner wall of the sealing groove.

[0015] By adopting the above technical scheme, the sealing property between the sealing plate and the sealing groove can be improved.

[0016] Further, the sealing assembly further comprises a mounting frame fixedly connected to one side of the special-shaped block, and a magnetic block is fixedly connected to the bottom of the inner side of the mounting frame.

[0017] By adopting the above technical scheme, the magnetic block can be mounted.

[0018] Further, the sealing assembly further comprises an iron block movably connected at one end of the sealing plate, the iron block is movably inserted into the mounting frame and magnetically connected with the magnetic block, a fixing pin is threadedly connected to the inside of the iron block and extends into the sealing plate.

[0019] By adopting the above technical scheme, the iron block can be magnetically connected, so that the stability of the sealing plate can be maintained.

[0020] Further, the main body module further comprises a connecting line fixedly connected at one end of the probe body, and the connecting line penetrates through the sealing sheet and the mounting disc and extends to the outside of the mounting disc.

[0021] By adopting the above technical scheme, the probe body can be connected with the connecting line.

[0022] In summary, the present application has the following beneficial technical effects:

[0023] (1) Through the setting of the box body assembly, the probe body can be placed, and through the setting of the sealing assembly, the sealing of the probe body can be realized in cooperation with the box body assembly, so that the probe body can be prevented from being exposed to air for a long time, and the practicability is improved;

[0024] (2) Through the setting of the sealing groove, the probe body can be placed, through the setting of the sealing piece, the sealing between the special-shaped block and the mounting disc can be increased, and through the setting of the semicircle, the special-shaped block can be conveniently hung;

[0025] (3) Through the setting of the hinge, the sealing plate can be rotated, through the setting of the sealing ring, the sealing between the sealing plate and the sealing ring can be increased, through the setting of the magnetic block, the magnetic connection with the iron block can be realized, and through the setting of the fixing pin, the iron block can be fixed. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 It is a schematic diagram of the overall structure of the present application;

[0027] Figure 2 It is an exploded structure schematic diagram of the present application;

[0028] Figure 3 It is an exploded structure schematic diagram of the box body assembly of the present application;

[0029] Figure 4 It is an exploded structure schematic diagram of the sealing assembly of the present application.

[0030] Explanation of reference numerals in the drawing:

[0031] 100, main body module; 110, mounting disc; 120, probe body; 130, connecting wire;

[0032] 200, sealing module; 210, box body assembly; 211, special-shaped block; 212, sealing groove; 213, sealing piece; 214, sealing ring; 215, semicircle; 220, sealing assembly; 221, hinge; 222, sealing plate; 223, mounting frame; 224, magnetic block; 225, iron block; 226, fixing pin. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application; obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments; based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0034] In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom end" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0035] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "sleeved / connected", "connected" and the like should be broadly understood, for example, "connected" can be fixedly connected, can be detachably connected, or integrally connected; can be mechanically connected, can be electrically connected; can be directly connected, can be indirectly connected through an intermediate medium, and can be internal communication of two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0036] The following will be described in detail in combination with the accompanying drawings Figures 1-4 The present application will be further described in detail.

[0037] Please refer to Figures 1-4 An oxygen sensor probe sealing structure includes a main body module 100 and a sealing module 200, the main body module 100 includes a mounting disc 110, one side of the mounting disc 110 is provided with a probe main body 120, the sealing module 200 is arranged between the mounting disc 110 and the probe main body 120, the sealing module 200 includes a box body assembly 210 arranged outside the probe main body 120, the probe main body 120 is located inside the box body assembly 210, and the top of the box body assembly 210 is provided with a sealing assembly 220.

[0038] Through the arrangement of the box body assembly 210, the probe main body 120 can be arranged, and through the arrangement of the sealing assembly 220, the sealing of the probe main body 120 can be realized in cooperation with the box body assembly 210, so that the probe main body 120 can be prevented from being exposed to air for a long time, and the practicability is improved.

[0039] The box body assembly 210 includes a special-shaped block 211, the top of the special-shaped block 211 is provided with a sealing groove 212, the probe main body 120 is movably connected in the sealing groove 212, the box body assembly 210 further includes a sealing sheet 213 arranged at one end of the sealing groove 212, and the sealing sheet 213 movably abuts against the mounting disc 110, and the box body assembly 210 further includes a semicircular ring 215 fixedly connected at one end of the special-shaped block 211.

[0040] By clamping the probe body 120 to the inside of the sealing groove 212, the sealing sheet 213 can be in contact with the mounting disc 110, thereby increasing the sealing between the mounting disc 110 and the special-shaped block 211. By hanging the semicircular ring 215 on a hook or a protruding object, the special-shaped block 211 can be hung.

[0041] The sealing assembly 220 includes two hinges 221 arranged on the top of the special-shaped block 211, a sealing plate 222 arranged between the two hinges 221, a sealing ring 214 fixedly connected to the bottom of the sealing plate 222, and the sealing ring 214 in movable contact with the inner wall of the sealing groove 212. The sealing assembly 220 further includes a mounting frame 223 fixedly connected to one side of the special-shaped block 211, a magnetic block 224 fixedly connected to the bottom of the inner side of the mounting frame 223, an iron block 225 movably connected to one end of the sealing plate 222, the iron block 225 movably inserted into the inside of the mounting frame 223 and magnetically connected with the magnetic block 224, a fixing pin 226 threadedly connected to the inside of the iron block 225 and extending into the inside of the sealing plate 222. The main body module 100 further includes a connecting line 130 fixedly connected to one end of the probe body 120, the connecting line 130 extending through the sealing sheet 213 and the mounting disc 110 and extending to the outside of the mounting disc 110.

[0042] The sealing plate 222 is rotated through the hinge 221, thereby being opened or closed. When the sealing plate 222 is closed, the sealing ring 214 can be in contact with the sealing groove 212, thereby increasing the sealing between the sealing plate 222 and the sealing groove 212, and further sealing the probe body 120, thereby avoiding the long-term exposure of the probe body 120 to the air, and improving the practicability of the structure.

[0043] The implementation principle of the embodiment of the application is as follows: when the probe body 120 needs to be sealed, the probe body 120 is movably clamped to the inside of the sealing groove 212, the mounting disc 110 is in movable contact with the sealing sheet 213, the sealing plate 222 is rotated through the hinge 221, the sealing ring 214 is moved to the inside of the sealing groove 212 and in movable contact with the inner wall of the sealing groove 212, thereby sealing the probe body 120. When the sealing plate 222 is in contact with the top of the special-shaped block 211, the sealing plate 222 drives the iron block 225 to be inserted into the inside of the mounting frame 223 and magnetically connected with the magnetic block 224, thereby keeping the stability of the sealing plate 222, and further sealing the probe body 120.

[0044] The above are preferred embodiments of the application, which do not limit the protection scope of the application. Any equivalent changes made on the basis of the structure, shape, and principle of the application should be covered by the protection scope of the application.

Claims

1. An oxygen sensor probe sealing structure comprising a main body module (100) and a sealing module (200), characterized in that: The main body module (100) comprises a mounting disc (110), one side of the mounting disc (110) is provided with a probe main body (120), and the sealing module (200) is arranged between the mounting disc (110) and the probe main body (120); The sealing module (200) comprises a box body assembly (210) arranged outside the probe main body (120), the probe main body (120) is located inside the box body assembly (210), and the top of the box body assembly (210) is provided with a sealing assembly (220).

2. An oxygen sensor probe seal structure according to claim 1, wherein: The box body assembly (210) comprises a special-shaped block (211), the top of the special-shaped block (211) is provided with a sealing groove (212), and the probe main body (120) is movably connected in the sealing groove (212).

3. An oxygen sensor probe seal structure according to claim 2, wherein: The box body assembly (210) further comprises a sealing sheet (213) arranged at one end of the sealing groove (212), and the sealing sheet (213) movably abuts against the mounting disc (110).

4. An oxygen sensor probe seal structure according to claim 3, wherein: The box body assembly (210) further comprises a semicircular ring (215) fixedly connected to one end of the special-shaped block (211).

5. An oxygen sensor probe seal structure according to claim 4, wherein: The sealing assembly (220) comprises two hinges (221) arranged on the top of the special-shaped block (211), a sealing plate (222) is arranged between the two hinges (221), the bottom of the sealing plate (222) is fixedly connected with a sealing ring (214), and the sealing ring (214) movably abuts against the inner wall of the sealing groove (212).

6. An oxygen sensor probe seal structure according to claim 5, wherein: The sealing assembly (220) further comprises a mounting frame (223) fixedly connected to one side of the special-shaped block (211), and the mounting frame (223) is fixedly connected with a magnetic block (224) on the bottom of the inner side.

7. An oxygen sensor probe seal structure according to claim 6, wherein: The sealing assembly (220) further comprises an iron block (225) movably connected to one end of the sealing plate (222), the iron block (225) is movably inserted into the mounting frame (223) and is magnetically connected with the magnetic block (224), the iron block (225) is screw-connected with a fixing pin (226) in the inside, and the fixing pin (226) extends into the inside of the sealing plate (222).

8. An oxygen sensor probe seal structure according to claim 7, wherein: The main body module (100) further comprises a connecting line (130) fixedly connected to one end of the probe main body (120), and the connecting line (130) penetrates through the sealing sheet (213) and the mounting disc (110) and extends to the outside of the mounting disc (110).

Citation Information

Patent Citations

  • Nitrogen-oxygen sensor probe sealing structure

    CN218003357U