CN222748149U - Temperature sensor with adjustable depth of insertion for pipeline - Google Patents
Temperature sensor with adjustable depth of insertion for pipeline Download PDFInfo
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- CN222748149U CN222748149U CN202421613634.XU CN202421613634U CN222748149U CN 222748149 U CN222748149 U CN 222748149U CN 202421613634 U CN202421613634 U CN 202421613634U CN 222748149 U CN222748149 U CN 222748149U
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Abstract
本实用新型实施例公开了一种管道用插深可调式测温传感器，包括：传感器本体和安装套件，传感器本体一端设置有一探针；安装套件设有中空的轴向通道，探针贯穿轴向通道且可在轴向通道内轴向移动；管道的管壁设有连通管道内部的安装部，安装套件远离传感器本体的一端安装于安装部，安装套件的轴向通道与管道内部连通。本实用新型的测温传感器安装在不同规格管道时，操作传感器本体沿轴向通道进行轴向移动，也即调节探针远离传感器本体的一端位于管道内进行插深位置调节，可以适配不同规格的管道检测需求。具有能够满足液氧煤油火箭发动机试车台对测温传感器多样性和互换性的需求，具有减少备件数量，节约使用成本的优点。
The embodiment of the utility model discloses a temperature sensor with adjustable insertion depth for pipelines, including: a sensor body and an installation kit, wherein a probe is provided at one end of the sensor body; the installation kit is provided with a hollow axial channel, the probe passes through the axial channel and can move axially in the axial channel; the pipe wall of the pipeline is provided with a mounting portion connected to the interior of the pipeline, the end of the installation kit away from the sensor body is installed on the mounting portion, and the axial channel of the installation kit is connected to the interior of the pipeline. When the temperature sensor of the utility model is installed in pipelines of different specifications, the sensor body is operated to move axially along the axial channel, that is, the end of the probe away from the sensor body is adjusted to be located in the pipeline for insertion depth adjustment, which can adapt to the detection requirements of pipelines of different specifications. It can meet the requirements of the liquid oxygen-kerosene rocket engine test bench for the diversity and interchangeability of temperature sensors, and has the advantages of reducing the number of spare parts and saving use costs.
Description
Technical Field
The utility model relates to the technical field of temperature testing, in particular to a depth-adjustable temperature measurement sensor for a pressure pipeline.
Background
At present, on a liquid oxygen kerosene rocket engine test bed, a temperature measuring sensor is often installed on a pressure pipeline for conveying test media and used for monitoring the temperature of the conveyed media, a temperature measuring sensor probe is usually inserted into the position of 1/3 to 1/2 of the inner pipe diameter of the pipeline so as to eliminate the influence of the external environment on the temperature of the media and obtain more accurate temperature of the media, and in the actual use process, the installation position of the temperature measuring sensor and the different specifications of the pipeline can cause the change of the detection position of the temperature measuring sensor after the temperature measuring sensor is inserted into the pipeline, namely the temperature measuring sensor cannot be well inserted into the position of 1/3 to 1/2 of the pipe diameter, so that the temperature of the media has detection errors.
In order to solve the problems, the prior art is to customize the temperature measuring sensor corresponding to the insertion depth according to different pipeline specifications to meet the use requirements, so that the temperature measuring sensor used on a test bed has very many insertion depth specifications and extremely poor interchangeability, and the temperature measuring sensor of each specification is prepared when a part is customized.
Therefore, a new temperature sensor is needed at present, the requirements of the liquid oxygen kerosene rocket engine test bed on the diversity and interchangeability of the temperature sensor can be met, the number of spare parts is reduced, and the use cost is saved.
Disclosure of utility model
The utility model aims to provide a temperature sensor with adjustable insertion depth for a pipeline, and aims to solve the problem that the existing single temperature sensor cannot adapt to pipeline detection requirements of different specifications.
In order to solve the technical problems, the aim of the utility model is realized by the following technical scheme:
the utility model provides a depth-adjustable temperature measurement sensor for a pipeline, which comprises a sensor body and a mounting sleeve, wherein one end of the sensor body is provided with a probe, the mounting sleeve is provided with a hollow axial channel, the probe penetrates through the axial channel and can axially move in the axial channel, the pipe wall of the pipeline is provided with a mounting part communicated with the inside of the pipeline, and one end of the mounting sleeve, which is far away from the sensor body, is mounted on the mounting part.
Further, a probe is threadably coupled to the axial passage.
The mounting sleeve comprises a first sleeve and a second sleeve, wherein the first sleeve is connected with the second sleeve, a mounting cavity positioned in the axial channel is formed at the joint, and a deformation piece is mounted in the mounting cavity and used for deforming and clamping the probe when the first sleeve is connected with the second sleeve.
The deformation piece comprises an annular pressing sleeve and an elastic sealing ring with deformation capability;
The first sleeve is used for extruding the annular pressing sleeve when the first sleeve is in threaded connection with the second sleeve so as to link the annular pressing sleeve to extrude the elastic sealing ring.
Further, the cavity diameter of the mounting cavity is reduced towards the direction of the second sleeve member.
Further, the outer wall of the probe is provided with a thread section, a locking nut is connected to the thread section in a threaded mode, and the locking nut is locked towards one end, close to the sensor body, of the mounting sleeve.
Further, one end of the second sleeve member away from the first sleeve member is inserted into the mounting portion.
Further, an end of the second sleeve member remote from the first sleeve member is screwed to the mounting portion.
Further, a sealing gasket is arranged between the connecting part of the second sleeve member and the mounting part.
Further, the outer wall of the probe is provided with graduation marks exposed to the outside.
Compared with the prior art, the utility model has the beneficial effects that when the temperature measuring sensor is arranged on pipelines with different specifications, the sensor body is operated to axially move along the axial channel, namely, one end of the adjusting probe, which is far away from the sensor body, is positioned in the pipeline to adjust the depth of insertion, so that the utility model can adapt to the detection requirements of the pipelines with different specifications. The test bed of the liquid oxygen kerosene rocket engine can meet the requirements of the test bed of the liquid oxygen kerosene rocket engine on the diversity and interchangeability of the temperature sensor, and has the advantages of reducing the number of spare parts and saving the use cost.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic cross-sectional view of a temperature sensor with adjustable depth of insertion for a pipe according to an embodiment of the present utility model;
FIG. 2 is a schematic diagram of a partial structure of a temperature sensor with adjustable depth of insertion for a pipeline according to an embodiment of the present utility model;
The diagram is:
10. A sensor body; 101, a probe, 102, a scale mark;
20. Mounting sleeve, 201, locking nut, 202, first sleeve, 203, annular pressing sleeve, 204, elastic sealing ring, 205, second sleeve, 2051, shaft shoulder, 206, sealing gasket, 207, axial channel, 208, mounting cavity;
30. Pipe 301, installation part 302, reinforcement.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be understood that the terms "comprises" and "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
It is also to be understood that the terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used in this specification and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be further understood that the term "and/or" as used in the present specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations.
Referring to fig. 1 and 2, an embodiment of the utility model discloses a depth-adjustable temperature sensor for a pipeline, which comprises a sensor body 10 and a mounting sleeve 20, wherein one end of the sensor body 10 is provided with a probe 101, the mounting sleeve 20 is provided with a hollow axial channel 207, the probe 101 penetrates through the axial channel 207 and can axially move in the axial channel 207, the pipe wall of the pipeline 30 is provided with a mounting part 301 communicated with the interior of the pipeline 30, one end, away from the sensor body 10, of the mounting sleeve 20 is mounted on the mounting part 301, and the axial channel 207 of the mounting sleeve 20 is communicated with the interior of the pipeline 30.
In this embodiment, the sensor body 10 and the probe 101 form a probe 101 type sensor, one end of the probe 101 away from the sensor body 10 is located in the pipe 30 for measuring temperature, the mounting sleeve 20 is used as a carrier for axially moving the probe 101, a hollow axial channel 207 is arranged on the mounting sleeve 20, after the mounting sleeve 20 is mounted on the mounting part 301, the axial channel 207 can be communicated with the inside of the pipe 30 through the mounting part 301, based on this, the probe 101 can reach the inside of the pipe 30 after penetrating through the axial channel 207, and after the probe 101 is axially moved in the axial channel 207, one end of the probe 101 away from the sensor body 10 can be located at different depths in the pipe 30. That is, when the temperature sensor of the present embodiment is installed on the pipes 30 with different specifications, the operation adjustment sensor body 10 moves axially along the axial channel 207, that is, the end of the adjustment probe 101 away from the sensor body 10 is located in the pipe 30 for adjusting the depth of insertion, so as to adapt to the detection requirements of the pipes 30 with different specifications. The test bed of the liquid oxygen kerosene rocket engine can meet the requirements of the test bed of the liquid oxygen kerosene rocket engine on the diversity and interchangeability of the temperature sensor, and has the advantages of reducing the number of spare parts and saving the use cost.
In one embodiment, the probe 101 is threadably coupled to the axial passage 207.
In this embodiment, an external thread may be disposed at one end of the probe 101 near the sensor body 10, and an internal thread may be disposed at a corresponding position in the axial channel 207, or of course, an internal thread may be disposed on the probe 101, and an external thread may be disposed in the axial channel 207, so that the probe 101 may be operated to rotate and move axially in the axial channel 207, thereby realizing depth adjustment after the probe 101 is inserted into the pipe 30.
Through the tight interlock between the screw thread, ensure stability and the reliability of connection, and threaded connection's regulation is more convenient, only need rotatory can realize, need not special instrument, still be convenient for maintain and change.
In one embodiment, the mounting sleeve 20 comprises a first sleeve 202 and a second sleeve 205, wherein the first sleeve 202 and the second sleeve 205 are connected and form a mounting cavity 208 in the axial channel 207 at the connection, and a deformation member is mounted in the mounting cavity 208 and is used for deforming and clamping the probe 101 when the first sleeve 202 and the second sleeve 205 are connected.
In this embodiment, the first sleeve 202 and the second sleeve 205 are both provided with hollow channels, and the two hollow channels after the first sleeve 202 and the second sleeve 205 are connected form an axial channel 207, specifically, the first sleeve 202 and/or the second sleeve 205 may be threaded sleeves with threads on the inner walls so as to be matched with threads on the outer wall of the probe 101, preferably, threads are provided on the inner walls of the first sleeve 202 so as to be more conveniently matched with threads on one end of the probe 101 close to the sensor body 10.
In this embodiment, a connection port is provided at a lower end of the first sleeve member 202 (an end connected to the second sleeve member 205), and an upper end of the second sleeve member 205 (an end connected to the first sleeve member 202) is mounted on the connection port, so as to realize connection between the first sleeve member 202 and the second sleeve member 205, wherein an upper end surface of the second sleeve member 205 is provided with a cavity opening along a radial direction of the hollow channel, and after the second sleeve member 205 is connected to the first sleeve member 202, the cavity opening and the connection port can form a mounting cavity 208 at a connection position.
In this embodiment, the deformation member may fill the entire installation cavity 208, and when the first sleeve 202 and the second sleeve 205 are tightly connected, the installation cavity 208 is reduced in space, so as to compress the deformation member in the installation cavity 208, the probe 101 penetrates through the axial channel 207 and also penetrates through the deformation member, the compressed deformation member blocks the axial channel 207 to prevent the medium in the pipe 30 from leaking upwards from the axial channel 207, and the compressed deformation member also clamps the probe 101, so as to keep the stability of the probe 101.
In one embodiment, the first sleeve 202 and the second sleeve 205 are screwed in the axial direction, the deformation member comprises an annular pressing sleeve 203 and an elastic sealing ring 204 with deformation capability, and the first sleeve 202 is used for pressing the annular pressing sleeve 203 when the first sleeve 202 is screwed on the second sleeve 205 so as to link the annular pressing sleeve 203 to press the elastic sealing ring 204.
In this embodiment, a threaded structure that is matched with each other may be disposed on the inner wall of the connection port at the lower end of the first sleeve 202 and the outer wall of the upper end of the second sleeve 205, and the upper end of the second sleeve 205 may be screwed into the connection port to achieve connection, that is, the more tightly the threaded connection between the first sleeve 202 and the second sleeve 205, the smaller the space of the installation cavity 208. Based on this, the deformation member can be accommodated in the cavity opening at the upper end of the second sleeve member 205, the elastic sealing ring 204 of the deformation member is completely located in the cavity opening, the annular pressing sleeve 203 is located outside the cavity opening and partially extends out of the cavity opening (i.e., the annular pressing sleeve 203 extends out of the cavity opening and is located in the connecting port), so that when the first sleeve member 202 and the second sleeve member 205 are screwed tightly in the axial direction, the space of the installation cavity 208 is reduced (i.e., the space in the axial direction is shortened), the annular pressing sleeve 203 is pressed first in the axial direction, and the annular pressing sleeve 203 presses the elastic sealing ring 204, so that the elastic sealing ring 204 deforms and contracts, and the axial channel 207 and the clamping probe 101 are blocked.
In one embodiment, the cavity diameter of the mounting cavity 208 is tapered toward the second sleeve 205.
In this embodiment, the deformation member is deformation generated when the first sleeve 202 and the second sleeve 205 are screwed tightly, and also deforms towards the direction of the second sleeve 205, so that the cavity diameter of the mounting cavity 208 is reduced towards the direction of the second sleeve 205, in a specific implementation manner, the cavity opening at the upper end of the second sleeve 205 may be tapered, the elastic sealing ring 204 is also tapered with a shape adapted, and the center of the elastic sealing ring 204 is provided with a cylindrical hole for the penetration of the probe 101, so that when the elastic sealing ring 204 is axially extruded, due to limited space, the elastic sealing ring 204 deforms inwards, the cylindrical hole in the center can firmly clamp the outer wall of the probe 101, and the external tapered surface and the cavity opening at the upper end of the second sleeve 205 are tightly attached to seal the axial channel 207, so that the medium in the pipe 30 cannot leak outwards through the axial channel 207.
In one embodiment, the outer wall of the probe 101 is provided with a threaded section on which a lock nut 201 is threadedly connected, the lock nut 201 being locked towards the end of the mounting sleeve 20 near the sensor body 10.
In this embodiment, the outer wall of the probe 101 is reserved with a sufficiently long thread structure, the lower section of the thread structure is used for being in threaded connection with the axial channel 207, the upper section is located at one end close to the sensor body 10 and above the first sleeve 202, the lock nut 201 is sleeved in the probe 101 in advance and located at one end of the probe 101 close to the sensor body 10, and after the probe 101 is threaded in the axial channel 207 for adjusting and inserting depth, the lock nut 201 is in threaded connection with the upper section of the thread structure and abuts against the first sleeve 202, so that locking of the probe 101 in the axial channel 207 can be ensured, and axial movement can be prevented.
In one embodiment, an end of the second sleeve 205 remote from the first sleeve 202 is threadably coupled to the mounting portion 301.
In this embodiment, the mounting portion 301 may be integrally formed on the outer wall of the pipe 30, or may be separately attached to the outer wall of the pipe 30, and the connection portion between the mounting portion 301 and the pipe 30 may be further provided with a reinforcing member 302 to ensure the stability of connection. The wall hole is formed in the pipe wall of the pipe 30, the mounting portion 301 may be of a hollow cylindrical structure, the hollow position corresponds to the wall hole, that is, the mounting portion 301 may be communicated to the inside of the pipe 30, based on this, one end of the second sleeve 205, which is far away from the first sleeve 202, is arranged to be in threaded connection with the hollow position of the mounting portion 301, that is, the axial channel 207 may be communicated with the inside of the pipe 30, so that the probe 101 enters the inside of the pipe 30 along the axial channel 207 and the depth of insertion is adjusted.
In one embodiment, a gasket 206 is provided between the junction of the second sleeve 205 and the mounting portion 301.
In this embodiment, the shaft shoulder 2051 may be disposed on the outer wall of the second sleeve 205, after the second sleeve 205 is screwed onto the mounting portion 301, the shaft shoulder 2051 abuts against the mounting portion 301, in order to avoid leakage of medium from the joint, the sealing pad 206 is disposed between the shaft shoulder 2051 and the mounting portion 301, the sealing pad 206 may be an annular gasket, the sealing pad 206 is sleeved on an end of the second sleeve 205 far away from the first sleeve 202, and after the second sleeve 205 is screwed onto the mounting portion 301, the sealing pad 206 is sleeved between the shaft shoulder 2051 and the mounting portion 301, so as to avoid leakage of medium.
In one embodiment, the outer wall of the probe 101 is provided with graduations 102 exposed to the outside.
In this embodiment, the scale marks 102 exposed to the outside can assist in determining the depth of the probe 101 in the pipe 30, and the adjustment condition can be clearly and intuitively read and determined when the probe 101 is operated to perform the depth adjustment, thereby ensuring the accuracy and reliability of the measurement result. Specifically, the outer wall of the end of the probe 101 near the sensor body 10 may be milled, and the graduation marks 102 may be disposed on the milled surface.
The above-described pipe 30 is combined with a temperature sensor with adjustable insertion depth.
In one particular installation scenario. First, the lock nut 201, the first sleeve member 202 and the annular pressing sleeve 203 are sequentially sleeved on the probe 101, so that the probe 101 is micro-screwed into the hollow channel of the first sleeve member 202 (the probe 101 is in threaded connection with the first sleeve member 202 here), and then the lock nut 201 is slightly screwed and abutted against the first sleeve member 202, so that the probe 101 can be initially kept stable.
Then, the elastic sealing ring 204 is placed in the cavity opening at the upper end of the second sleeve 205.
The probe 101 is then passed through the resilient sealing ring 204 and through the hollow channel of the second sleeve 205 and the first sleeve 202 and the second sleeve 205 are slightly screwed together and form a mounting cavity 208, with the annular pressure sleeve 203 and the resilient sealing ring 204 in the mounting cavity 208, but not yet compressed.
Then, the end of the second sleeve 205 remote from the first sleeve 202 is screwed to the mounting portion 301, and the probe 101 is allowed to enter the inside of the pipe 30 through the mounting portion 301, thereby completing the mounting.
Finally, by tightening the lock nut 201 and the tightness between the first sleeve 202 and the first sleeve 202, the probe 101 can be fixed or loosened for the insertion depth adjustment operation.
Based on the above, the adjustable-insertion-depth temperature sensor for the pipeline 30 has the characteristics of simple structure, simple operation, low process cost, simple operation and the like, effectively solves the limitation that the traditional temperature sensor can only correspond to the specification of the pipeline 30, reduces the number of spare parts of the temperature sensor, and further avoids the problem of large resource consumption.
While the utility model has been described with reference to certain preferred embodiments, it will be understood by those skilled in the art that various changes and substitutions of equivalents may be made and equivalents will be apparent to those skilled in the art without departing from the scope of the utility model. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421613634.XU CN222748149U (en) | 2024-07-09 | 2024-07-09 | Temperature sensor with adjustable depth of insertion for pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421613634.XU CN222748149U (en) | 2024-07-09 | 2024-07-09 | Temperature sensor with adjustable depth of insertion for pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222748149U true CN222748149U (en) | 2025-04-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421613634.XU Active CN222748149U (en) | 2024-07-09 | 2024-07-09 | Temperature sensor with adjustable depth of insertion for pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222748149U (en) |
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- 2024-07-09 CN CN202421613634.XU patent/CN222748149U/en active Active
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