CN218917430U

CN218917430U - Pitot tube mounting structure

Info

Publication number: CN218917430U
Application number: CN202222747011.9U
Authority: CN
Inventors: 廖文龙; 王勇; 蒋鑫
Original assignee: Chongqing Yir Fluid Equipment Manufacturing Co ltd
Current assignee: Chongqing Yir Fluid Equipment Manufacturing Co ltd
Priority date: 2022-10-19
Filing date: 2022-10-19
Publication date: 2023-04-25
Anticipated expiration: 2032-10-19

Abstract

The utility model discloses a pitot tube mounting structure which comprises an airflow to-be-detected pipe, a first mounting flange, a detection connecting rod, a detection instrument and a spillover prompt component, wherein the detection connecting rod is fixedly connected to the lower end of the first mounting flange, a first detection pipe and a second detection pipe are connected to the inside of the detection connecting rod, the upper ends of the first detection pipe and the second detection pipe are fixedly communicated with each other, an upper communication pipe is fixedly communicated with the lower end of the detection instrument, the upper end of the lower communication pipe is detachably arranged in the upper communication pipe, and the spillover prompt component is sleeved outside the upper communication pipe and the lower communication pipe. The utility model belongs to the technical field of pitot tube installation, and particularly provides a pitot tube installation structure which is detachably installed, is convenient to clean, avoids affecting detection accuracy, is additionally provided with a spillover prompt component, can be timely found when air leakage occurs, and avoids larger detection errors.

Description

Pitot tube mounting structure

Technical Field

The utility model belongs to the technical field of pitot tube installation, and particularly relates to a pitot tube installation structure.

Background

Pitot tubes, also known as "Pitot tubes", "anemotubes", english is Pitot tube. Pitot tubes are a type of tubular device that measures the total and static pressures of an air flow to determine the air flow velocity, and are known by the utility model of pitot, h. Strictly speaking, a pitot tube only measures the total pressure of the air flow, also known as the total pressure tube; the wind speed tube is called a pitot tube when the total pressure and the static pressure are measured at the same time, but conventionally, the wind speed tube is called a pitot tube.

When detecting gas, can carry impurity in the gas, if do not clear up for a long time, can influence the precision that detects, in order to conveniently clear up the pitot tube, it is convenient to need the pitot tube to dismantle, and detachable pitot tube sets up, can not guarantee complete leakproofness, lacks the overflow and leak suggestion subassembly, can not in time discover when the gas leakage to influence the detection accuracy nature.

Disclosure of Invention

Aiming at the situation, in order to overcome the defects of the prior art, the utility model provides the pitot tube mounting structure which is detachably arranged, is convenient to clean, avoids influencing the detection accuracy, is additionally provided with the overflow leakage prompting component, can be timely found when air leakage occurs, and avoids larger detection error.

The technical scheme adopted by the utility model is as follows: the pitot tube mounting structure of this scheme, wait to detect pipe, first mounting flange, detection connecting rod, detecting instrument and overflow and leak suggestion subassembly including the air current, the lower extreme of first mounting flange is located in detection connecting rod fixed connection, the lower extreme of detection connecting rod can be dismantled and connect and locate the inside of air current waiting to detect the pipe, the internal connection of detection connecting rod is equipped with first detecting pipe and second detecting pipe, the upper end of first detecting pipe and second detecting pipe all link up first mounting flange and connect the upper end of locating first mounting flange, just the upper end fixed communication of first detecting pipe and second detecting pipe is equipped with down communicating pipe, detecting instrument's lower extreme fixed communication is equipped with communicating pipe, the inside of locating communicating pipe can be dismantled down to the upper end of communicating pipe, just overflow and leak suggestion subassembly cover locates the outside of upper communicating pipe and lower communicating pipe.

Preferably, the overflow warning component comprises an overflow sealing cover, an overflow warning frame and an indicator lamp, wherein the overflow sealing cover is sleeved on the outer side between the upper communicating pipe and the lower communicating pipe, the overflow warning frame is communicated with the outer side of the overflow sealing cover, and the indicator lamp is connected with the outer side of the overflow warning frame.

Preferably, the overflow alarm frame is connected and is equipped with first contact on the inner wall of one side that the overflow sealed cowling was kept away from to the overflow, the internal connection of overflow alarm frame is equipped with the push plate, the one side that the push plate is close to first contact is connected and is equipped with the second contact, first contact, second contact and pilot lamp electric connection, just connect between the inner wall of overflow alarm frame and the push plate and be equipped with reset spring.

Preferably, the outside connection of going up communicating pipe is equipped with the fixed slot, the internal connection of going up the fixed slot is equipped with sealed pad on first, the one side connection of overflow leak-proof seal cover upper end is equipped with sealed pad on the second, sealed pad is detachable to be connected and locates the inside of last fixed slot on the second.

Preferably, the outside connection of communicating pipe is equipped with down the fixed slot, the internal connection of fixed slot is equipped with first sealed pad down, one side connection of overflow seal cover lower extreme is equipped with the sealed pad down of second, sealed pad is detachable to be connected down and locates the inside of fixed slot down.

Preferably, the internal connection of going up communicating pipe is equipped with the spacing groove, the inside sliding connection in spacing groove is equipped with the locating part, be connected between locating part and the spacing groove and be equipped with spacing spring, just the outside connection of communicating pipe is equipped with the arc wall down, one side that spacing spring was kept away from to the locating part is the arc setting, one side that spacing spring was kept away from to the locating part can be dismantled the connection and locate the inside in arc wall.

Preferably, the upper end of the air flow pipe to be detected is communicated with a detection pipe, the upper end of the detection pipe is connected with a second mounting flange, and the lower end of the detection connecting rod penetrates through the detection pipe and is arranged in the air flow pipe to be detected.

Preferably, the first mounting flange and the second mounting flange are connected in a matched mode, and a first sealing ring is sleeved on the outer side of the joint of the first mounting flange and the second mounting flange.

Preferably, the first detection pipe is a total pressure detection pipe, and the second detection pipe is a static pressure detection pipe.

Preferably, the upper communicating pipe is communicated with the air inlet of the detecting instrument.

The beneficial effects obtained by the utility model by adopting the structure are as follows: the pitot tube mounting structure of this scheme is convenient for in time discover leakage through the use of overflow leakage suggestion subassembly, improves detection accuracy, and through the detachable connection of communicating pipe and last communicating pipe down, conveniently clear up inside to avoid piling up influence detection effect because of impurity.

Drawings

Fig. 1 is a schematic view of the overall structure of the pitot tube mounting structure of the present embodiment;

fig. 2 is a schematic structural view of a pitot tube mounting structure of the present embodiment;

fig. 3 is a cross-sectional view of the pitot tube mounting structure of the present embodiment;

fig. 4 is a second cross-sectional view of the pitot tube mounting structure of the present embodiment;

fig. 5 is an enlarged partial schematic view of the portion a in fig. 3.

Wherein, 1, an air flow pipe to be detected, 2, a first mounting flange, 3, a detection connecting rod, 4, a detection instrument, 5, a spillover prompt component, 6, a first detection pipe, 7, a second detection pipe, 8, a lower communication pipe, 9, an upper communication pipe, 10, a spillover sealing cover, 11, a spillover alarm frame, 12, an indicator lamp, 13, a first contact, 14, a pushing plate, 15 and a second contact, 16, a return spring, 17, an upper fixing groove, 18, a first upper sealing gasket, 19, a second upper sealing gasket, 20, a lower fixing groove, 21, a first lower sealing gasket, 22, a second lower sealing gasket, 23, a limiting groove, 24, a limiting piece, 25, a limiting spring, 26, an arc-shaped groove, 27, a detection inlet pipe, 28, a second mounting flange, 29 and a first sealing ring.

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model.

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 only 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.

As shown in fig. 1-5, the pitot tube mounting structure of the utility model comprises an airflow tube 1, a first mounting flange 2, a detecting instrument 4, a first detecting tube 6, a second detecting tube 7, a lower communicating tube 8 and an upper communicating tube 9, wherein the lower end of the first mounting flange 2 is connected with a detecting connecting rod 3, the lower end of the detecting connecting rod 3 is detachably connected with the inside of the airflow tube 1 to be detected, the first detecting tube 6 and the second detecting tube 7 are both connected with the inside of the detecting connecting rod 3, the upper ends of the first detecting tube 6 and the second detecting tube 7 are both communicated with the first mounting flange 2 and are connected with the upper end of the first mounting flange 2, the lower communicating tube 8 is communicated with the upper end of the first detecting tube 6 and the upper end of the second detecting tube 7, the upper communicating tube 9 is connected with the lower end of the detecting instrument 4, the upper end of the lower communicating tube 8 is detachably arranged in the inside of the upper communicating tube 9, and the outside of the upper communicating tube 9 and the lower communicating tube 8 is sleeved with a leakage prompting component 5.

As shown in fig. 1, the overflow warning assembly 5 includes an overflow sealing cover 10, the overflow sealing cover 10 is sleeved on the outer side between the upper communicating pipe 9 and the lower communicating pipe 8, an overflow warning frame 11 is communicated with the outer side of the overflow sealing cover 10, and an indicator lamp 12 is connected with the outer side of the overflow warning frame 11.

As shown in fig. 4, a first contact 13 is connected to an inner wall of a side, far away from the overflow seal cover 10, of the overflow alarm frame 11, a pushing plate 14 is connected to an inner connection of the overflow alarm frame 11, a second contact 15 is connected to a side, close to the first contact 13, of the pushing plate 14, the first contact 13, the second contact 15 and the indicator lamp 12 are electrically connected, and a reset spring 16 is connected between the inner wall of the overflow alarm frame 11 and the pushing plate 14.

As shown in fig. 4, an upper fixing groove 17 is connected to the outer side of the upper communicating pipe 9, a lower fixing groove 20 is connected to the outer side of the lower communicating pipe 8, a first upper sealing gasket 18 and a first lower sealing gasket 21 are respectively connected to the inner parts of the upper fixing groove 17 and the lower fixing groove 20, a second upper sealing gasket 19 and a second lower sealing gasket 22 are respectively connected to one sides of the upper end and the lower end of the overflow sealing cover 10, the second upper sealing gasket 19 is detachably connected to the inner part of the upper fixing groove 17, and the second lower sealing gasket 22 is detachably connected to the inner part of the lower fixing groove 20.

As shown in fig. 2, the upper end of the air flow tube to be detected 1 is communicated with a detection inlet tube 27, the upper end of the detection inlet tube 27 is connected with a second mounting flange 28, and the lower end of the detection connecting rod 3 penetrates through the detection inlet tube 27 and is arranged in the air flow tube to be detected 1.

Wherein, the internal connection of going up communicating pipe 9 is equipped with spacing groove 23, the inside sliding connection of spacing groove 23 is equipped with locating part 24, be connected between locating part 24 and the spacing groove 23 and be equipped with spacing spring 25, just the outside connection of communicating pipe 8 is equipped with arc wall 26 down, one side that spacing part 24 kept away from spacing spring 25 is the arc setting, one side that spacing part 24 kept away from spacing spring 25 can dismantle the connection and locate the inside of arc wall 26.

The first mounting flange 2 and the second mounting flange 28 are connected in a matched mode, and a first sealing ring 29 is sleeved on the outer side of the joint of the first mounting flange 2 and the second mounting flange 28.

The first detection pipe 6 is a total pressure detection pipeline, and the second detection pipe 7 is a static pressure detection pipeline.

The upper communicating pipe 9 is communicated with the air inlet of the detecting instrument 4.

When the device is specifically used, in embodiment 1, firstly, the overflow seal cover 10 is sleeved on the outer side of the upper communicating pipe 9, the upper end of the lower communicating pipe 8 extends into the lower end of the upper communicating pipe 9, the lower communicating pipe 8 is limited by the limiting piece 24 and the limiting spring 25, the upper communicating pipe 9 and the lower communicating pipe 8 are fixed, then the lower end of the detection connecting rod 3 penetrates through the detection inlet pipe 27 to enter the air flow detection pipe 1, the detection connecting rod 3 is fixed in the air flow detection pipe 1 through the detection connecting rod 2 and the second mounting flange 28, and the fixation of the device is completed.

In embodiment 2, an external power supply supplies power to the device, when leakage occurs at the joint of the lower communication pipe 8 and the upper communication pipe 9, gas leaks into the overflow seal cover 10, and when the gas pushes the pushing plate 14, the second contact 15 contacts with the first contact 13, and due to external power supply, the indicator lamp 12 is electrified at this time, so as to remind an operator of leakage.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

The utility model and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the utility model as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.

Claims

1. A pitot tube mounting structure, characterized in that: including air current wait to detect pipe, first mounting flange, detection connecting rod, detecting instrument and overflow and leak suggestion subassembly, the lower extreme of first mounting flange is located to detection connecting rod fixed connection, the lower extreme of detection connecting rod can be dismantled and is connected the inside of locating the air current wait to detect the pipe, the internal connection of detection connecting rod is equipped with first detecting pipe and second detecting pipe, the upper end of first detecting pipe and second detecting pipe all link up first mounting flange and connect the upper end of locating first mounting flange, just the upper end fixed communication of first detecting pipe and second detecting pipe is equipped with down communicating pipe, detecting instrument's lower extreme fixed communication is equipped with communicating pipe, the inside of locating communicating pipe can be dismantled down to the upper end of communicating pipe, just overflow and leak suggestion subassembly cover locates the outside of upper communicating pipe and lower communicating pipe.

2. A pitot tube mounting structure in accordance with claim 1 wherein: the overflow warning assembly comprises an overflow sealing cover, an overflow warning frame and an indicator lamp, wherein the overflow sealing cover is sleeved on the outer side between the upper communicating pipe and the lower communicating pipe, the overflow warning frame is communicated with the outer side of the overflow sealing cover, and the indicator lamp is connected with the outer side of the overflow warning frame.

3. A pitot tube mounting structure in accordance with claim 2 wherein: the overflow leakage alarm frame is connected and is equipped with first contact on the inner wall of one side that the overflow leakage sealed cowling was kept away from, the internal connection of overflow leakage alarm frame is equipped with the push plate, the one side that the push plate is close to first contact is connected and is equipped with the second contact, first contact, second contact and pilot lamp electric connection, just connect between the inner wall of overflow leakage alarm frame and the push plate and be equipped with reset spring.

4. A pitot tube mounting structure in accordance with claim 2 wherein: the outside connection of going up communicating pipe is equipped with the fixed slot, the internal connection of going up the fixed slot is equipped with sealed pad on first, one side connection of overflow leak tight cover upper end is equipped with sealed pad on the second, sealed pad is gone up in the second can dismantle the connection and is located the inside of fixed slot.

5. A pitot tube mounting structure in accordance with claim 2 wherein: the outside connection of communicating pipe is equipped with down the fixed slot down, the internal connection of fixed slot is equipped with first sealed pad down, one side connection of overflow seal cover lower extreme is equipped with the sealed pad down of second, sealed pad is detachable to connect down the inside of locating down the fixed slot down.

6. A pitot tube mounting structure in accordance with claim 1 wherein: the internal connection of going up communicating pipe is equipped with the spacing groove, the inside sliding connection in spacing groove is equipped with the locating part, be connected between locating part and the spacing groove and be equipped with spacing spring, just the outside connection of communicating pipe is equipped with the arc wall down, one side that spacing spring was kept away from to the locating part is the arc setting, one side that spacing spring was kept away from to the locating part can be dismantled the connection and locate the inside in arc wall.

7. A pitot tube mounting structure in accordance with claim 1 wherein: the upper end of the air flow tube to be detected is communicated with a detection tube, the upper end of the detection tube is connected with a second mounting flange, and the lower end of the detection connecting rod penetrates through the detection tube and is arranged in the air flow tube to be detected.

8. A pitot tube mounting structure in accordance with claim 7 wherein: the first mounting flange is connected with the second mounting flange in a matched mode, and a first sealing ring is sleeved on the outer side of the joint of the first mounting flange and the second mounting flange.

9. A pitot tube mounting structure in accordance with claim 1 wherein: the first detection pipe is a total pressure detection pipe, and the second detection pipe is a static pressure detection pipe.

10. A pitot tube mounting structure in accordance with claim 1 wherein: the upper communicating pipe is communicated with the air inlet of the detecting instrument.