CN210322160U - Sensor safety cover and pressure detection device - Google Patents
Sensor safety cover and pressure detection device Download PDFInfo
- Publication number
- CN210322160U CN210322160U CN201921735051.3U CN201921735051U CN210322160U CN 210322160 U CN210322160 U CN 210322160U CN 201921735051 U CN201921735051 U CN 201921735051U CN 210322160 U CN210322160 U CN 210322160U
- Authority
- CN
- China
- Prior art keywords
- sensor
- connecting piece
- hole
- double
- pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Measuring Fluid Pressure (AREA)
Abstract
The utility model discloses a sensor safety cover and pressure measurement, it belongs to pressure measurement technical field, and the sensor safety cover is including the cover body, first connecting piece, fixed pipe and second connecting piece, and the inside of the cover body forms the holding chamber, and the holding intracavity can be arranged in to the sensor, and first connecting piece sets up in the one end of the cover body, the opening part sealing connection on the one end of fixed pipe and the outer tube of double-walled pipeline, and the second connecting piece sets up in the other end of fixed pipe, and first connecting piece can be dismantled with the second connecting piece and be connected. The sensor protection cover can ensure the sealing property of the double-wall pipeline after the sensor is installed, and protect the sensor from external effects such as extrusion, collision and the like. The pressure detection device comprises the sensor protection cover, can detect the gas pressure borne by the inner pipe of the double-wall pipeline, and simultaneously ensures that the gas in the double-wall pipe does not leak, and is convenient to install and simple in structure.
Description
Technical Field
The utility model relates to a pressure detection technical field especially relates to a sensor safety cover and pressure measurement.
Background
The double-fuel machine combining diesel oil and natural gas gradually becomes the main engine of the large civil ship, and the gas pipe is a pipeline for conveying natural gas for each cylinder on the double-fuel machine for the ship. Because the gas pressure in the pipe is high and the gas leakage easily causes serious disasters, the gas pipe usually adopts a double-wall pipe structure, and nitrogen is filled between the outer pipe and the inner pipe to ensure the safety.
The pressure requirement of the gas inside the pipe makes it necessary to mount a pressure sensor on the inner pipe, but it causes sealing problems: the outer pipe must be opened to provide a welding space and a welding position of the upper connecting seat of the inner pipe, so that nitrogen in the outer flow passage is communicated with the outside, and the nitrogen in the outer flow passage has not small pressure and obvious leakage.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a sensor safety cover and pressure measurement to solve the technical problem that leads to the pipeline leakproofness poor because of installing pressure sensor on the double-walled pipeline that exists among the prior art, overcome the gaseous technical defect who easily leaks of installation pressure sensor department, with the sealed and pressure sensor's of realization double-walled pipeline protection.
To achieve the purpose, the technical proposal adopted by the utility model is that:
a sensor protection cover comprising:
the sensor comprises a cover body, a sensor and a sensor, wherein an accommodating cavity is formed in the cover body, and the sensor can be placed in the accommodating cavity;
the first connecting piece is arranged at one end of the cover body;
one end of the fixed pipe is hermetically connected with an opening on the outer pipe of the double-wall pipeline;
the second connecting piece, set up in the other end of fixed pipe, first connecting piece with the connection can be dismantled to the second connecting piece.
Optionally, the stationary pipe is welded to an opening of an outer pipe of the double-walled pipe.
Optionally, the first connecting piece and the second connecting piece are both provided with connecting holes, and fasteners penetrate through the connecting holes.
Optionally, a first through hole is formed in the first connecting piece, and the first through hole is communicated with the accommodating cavity.
Optionally, a second through hole is formed in the second connecting piece, the second through hole is communicated with the fixed pipe, and the second through hole is eccentrically arranged relative to the central axis of the fixed pipe.
Optionally, a third through hole is arranged on one side of the second through hole on the second connecting piece.
Optionally, the second through hole and the third through hole are both opposite to the first through hole.
Optionally, a seal is disposed between the first connector and the second connector.
Optionally, an annular groove is provided on the second connecting member, and the sealing member is a gasket disposed in the annular groove.
A pressure detection device comprises the sensor protection cover.
The utility model has the advantages that:
the utility model provides a sensor safety cover, the rain cover comprises a cover body, first connecting piece, fixed pipe and second connecting piece, the inside formation holding chamber of the cover body, the holding intracavity can be arranged in to the sensor, can avoid the sensor to receive the extrusion, the collision etc., first connecting piece sets up in the one end of the cover body, the one end of fixed pipe and the opening sealing connection on the outer tube of double-walled pipeline, the second connecting piece sets up in the other end of fixed pipe, first connecting piece can dismantle with the second connecting piece and be connected, the leakproofness of double-walled pipeline behind the installation sensor can be guaranteed to this sensor safety cover, the sensor is settled and is not received external influence in the holding intracavity.
The utility model provides a pressure measurement can detect the gas pressure that the pipe wall of double-walled pipe received, guarantees simultaneously that the intraductal gas of double-walled pipe does not take place to leak, and simple to operate, simple structure, applicable in various double-walled pipe.
Drawings
FIG. 1 is a schematic structural view of a sensor protection cover connected to a double-walled pipe according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view taken at A-A of FIG. 1;
fig. 3 is a front view of a first connecting member according to an embodiment of the present invention;
fig. 4 is a front view of a second connecting member according to an embodiment of the present invention.
In the figure:
1. a cover body; 2. a first connecting member; 3. a fixed tube; 4. a second connecting member; 5. a sensor; 6. connecting a base; 7. a fastener; 8. a cable joint; 9. connecting holes;
11. an end cap; 12. a hollow tube; 21. a first through hole; 41. a second through hole; 42. a third through hole; 43. An annular groove.
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
Referring to fig. 1 and 2, the present invention provides a sensor protection cover, which includes a cover body 1, a first connecting member 2, a fixing tube 3 and a second connecting member 4.
An accommodating cavity is formed in the cover body 1, the diameter of the accommodating cavity can accommodate the sensor 5, and the sensor 5 is positioned in the accommodating cavity and can protect the sensor 5 from external effects such as extrusion, collision and the like; the first connecting piece 2 is arranged at one end of the cover body 1, and in the embodiment, the first connecting piece 2 is welded with an opening of the accommodating cavity of the cover body 1; one end of the fixed pipe 3 is hermetically connected with an opening on the outer pipe of the double-wall pipeline, in the embodiment, the fixed pipe 3 is welded with the opening on the outer pipe of the double-wall pipeline to realize the hermetic connection; the second connecting piece 4 is arranged at one end of the fixed pipe 3, and the first connecting piece 2 is detachably connected with the second connecting piece 4. The sensor protection cover can be connected with a pipeline in a sealing mode, so that fluid in a double-wall pipeline is effectively prevented from leaking, and meanwhile protection is provided for the sensor 5 arranged in the cover body 1.
In this embodiment, the cover body 1 is composed of an end cap 11 and a hollow tube 12, the end cap 11 is communicated with the hollow tube 12, one end of the hollow tube 12 is welded to an opening of the end cap 11, and the other end of the hollow tube 12 is welded to the first connecting member 2. Wherein the inner diameter of the hollow tube 12 is selected to meet the arrangement of the sensor 5 and the cable wires connecting the sensor 5. The length of the hollow tube 12 and the length of the end cap 11 are matched together to meet the installation requirements of the sensor 5 and the cable connected with the sensor 5 on the height, wherein the length of the hollow tube 12 can be selected according to the requirement, and the end cap 11 is a standard piece with a determined specification.
As shown in fig. 3 and 4, the first connecting member 2 is provided with a first through hole 21, and the first through hole 21 is communicated with the accommodating cavity inside the cover 1. The second connector 4 is provided with a second through hole 41, and the second through hole 41 is communicated with the fixed pipe 3.
Further, connecting holes 9 have been all seted up on first connecting piece 2 and the second connecting piece 4, and a plurality of connecting holes 9 interval arrangement are worn to be equipped with fastener 7 in the outer fringe department of first connecting piece 2, second connecting piece 4 in connecting hole 9 to realize the fixed connection of first connecting piece 2 and second connecting piece 4. In this embodiment, the connecting hole 9 formed in the first connecting member 2 is a threaded hole, the connecting hole 9 formed in the second connecting member 4 is a through hole, and the fastening member 7 is a bolt, and the bolt passes through the through hole to be matched and locked with the threaded hole, so that the fastening effect is achieved at the connecting hole 9.
In order to fix the cable of the sensor 5 in the accommodating cavity and enable the cable to penetrate out of the cover body 1 to achieve connection communication with the outside, a third through hole 42 is formed in the second connecting piece 4. In order to make the second connecting member 4 compact and save space, the second through hole 41 is eccentrically arranged with respect to the center line of the fixed pipe 3, and the third through hole 42 is located at one side of the second through hole 41.
The third through hole 42 in this embodiment is a threaded hole, the cable joint 8 is disposed in the threaded hole, the cable connected with the sensor 5 extends out of the cover body 1 through the cable joint 8, and a nut on the cable joint 8 is tightened to fasten the cable and seal the cable joint 8.
In this embodiment, the diameter of the second through hole 41 is matched with the outer circumference of the fixing tube 3, so that the fixing tube 3 can be inserted and the tube wall thereof fits the second through hole 41, the second through hole 41 and the third through hole 42 are both opposite to the first through hole 21, the selection of the inner diameter of the fixing tube 3, the diameters of the first through hole 21 and the second through hole 41 can satisfy the arrangement of the sensor 5 and the joint 6, and the diameter of the third through hole 42 can satisfy the installation of the cable joint 8.
In order to ensure the sealing performance of the joint of the first connecting piece 2 and the second connecting piece 4, a sealing element is arranged between the first connecting piece 2 and the second connecting piece 4. Specifically, the second connector 4 is provided with an annular groove 43, and the sealing member is a gasket disposed in the annular groove 43. Of course, other sealing elements, such as a gasket, may be selected, and the gasket is sandwiched between the first connecting member 2 and the second connecting member 4, so that the sealing effect of the joint can be achieved.
In the present embodiment, the first connecting member 2 and the second connecting member 4 are both flanges. The flange is a universal piece which is convenient to obtain and replace.
The embodiment further provides a pressure detection device, which comprises the sensor protection cover, and further comprises a sensor 5 and a connecting seat 6, wherein the connecting seat 6 is connected with an opening on the inner pipe of the double-wall pipeline, the sensor 5 is arranged on the connecting seat 6, and the sensor 5 penetrates through the fixing pipe 3 and is located in the accommodating cavity. When the pressure of gas in the pipeline is detected, the sensor 5 senses the pressure and pressure change of the inner pipe of the double-wall pipeline, and a cable on the sensor 5 penetrates out of the second connecting piece 4 through the cable joint 8 to output an electric signal to a receiving end. The pressure detection device ensures that gas in the double-wall pipeline after the pressure sensor is installed does not leak, and has simple structure and convenient installation. In addition, the pressure detection device can be widely applied to detection of fluid pressure borne by the double-wall pipeline, and is wide in applicability.
To further understand the present embodiment, the steps of installing the pressure detection device are as follows:
s1, successively perforating the inner pipe and the outer pipe of the double-wall pipeline, welding the small hole on the inner pipe with the joint seat 6, and accommodating the joint seat 6 at the opening on the outer pipe.
S2, welding one end of the fixed pipe 3 to the opening of the outer pipe of the double-walled pipe, and welding the second connector 4 to the other end of the fixed pipe 3.
S3, welding the first connector 2 and the end caps 11 to the two ends of the hollow tube 12, respectively, to obtain the main body part of the sensor protection cover.
And S4, mounting the sensor 5 on the connecting seat 6, mounting the cable connector 8 on the third through hole 42 on the second connecting piece 4, penetrating the cable connected with the sensor 5 through the cable connector 8, and tightening the nut on the cable connector 8 to achieve the cable fastening and sealing effects.
S5, placing a gasket in the annular groove 43 of the second connecting piece 4, aligning the main body part of the sensor protection cover with the second connecting piece 4, and connecting and fixing the first connecting piece 2 and the second connecting piece 4 by using the fastener 7.
The above installation steps are only one installation way, and the order of the above steps can be changed according to specific situations to facilitate installation.
The above embodiments have been described only the basic principles and features of the present invention, and the present invention is not limited by the above embodiments, and is not departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A sensor protection cover, comprising:
the sensor comprises a cover body (1), a sensor and a sensor, wherein an accommodating cavity is formed in the cover body (1), and the sensor can be placed in the accommodating cavity;
the first connecting piece (2) is arranged at one end of the cover body (1);
one end of the fixed pipe (3) is hermetically connected with an opening on the outer pipe of the double-wall pipeline;
and the second connecting piece (4) is arranged at the other end of the fixed pipe (3), and the first connecting piece (2) is detachably connected with the second connecting piece (4).
2. Sensor boot according to claim 1, characterized in that the fixing tube (3) is welded to the opening of the outer tube of the double-walled pipe.
3. The sensor protection cover according to claim 1, characterized in that the first connecting piece (2) and the second connecting piece (4) are provided with connecting holes (9), and a fastener (7) is arranged in each connecting hole (9) in a penetrating manner.
4. Sensor protection cover according to claim 1, characterized in that a first through hole (21) is provided in the first connector (2), the first through hole (21) communicating with the receiving cavity.
5. Sensor protection cover according to claim 4, characterized in that a second through hole (41) is provided in the second connecting piece (4), the second through hole (41) communicating with the fixed tube (3), the second through hole (41) being eccentrically arranged with respect to the central axis of the fixed tube (3).
6. Sensor boot according to claim 5, characterized in that the second connecting piece (4) is provided with a third through hole (42) on one side of the second through hole (41).
7. Sensor boot according to claim 6, characterized in that the second through hole (41) and the third through hole (42) are each opposite the first through hole (21).
8. Sensor protection cover according to claim 1, characterized in that a seal is arranged between the first connection (2) and the second connection (4).
9. Sensor boot according to claim 8, characterized in that an annular groove (43) is provided on the second connection piece (4), the seal being a washer provided in the annular groove (43).
10. A pressure sensing device comprising a sensor protection cover according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921735051.3U CN210322160U (en) | 2019-10-16 | 2019-10-16 | Sensor safety cover and pressure detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921735051.3U CN210322160U (en) | 2019-10-16 | 2019-10-16 | Sensor safety cover and pressure detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210322160U true CN210322160U (en) | 2020-04-14 |
Family
ID=70133949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921735051.3U Active CN210322160U (en) | 2019-10-16 | 2019-10-16 | Sensor safety cover and pressure detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210322160U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111964818A (en) * | 2020-08-12 | 2020-11-20 | 上海精普机电科技有限公司 | Pressure gauge with protective device |
-
2019
- 2019-10-16 CN CN201921735051.3U patent/CN210322160U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111964818A (en) * | 2020-08-12 | 2020-11-20 | 上海精普机电科技有限公司 | Pressure gauge with protective device |
| CN111964818B (en) * | 2020-08-12 | 2022-01-04 | 上海精普机电科技有限公司 | Pressure gauge with protective device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201531594U (en) | Constant stress seal gasket capable of detecting leakage | |
| CN210863066U (en) | Hub bearing unit end cover air tightness test device | |
| US8997715B2 (en) | Common rail system with leak containment and detection | |
| JP4849557B2 (en) | Ultrasonic flow meter | |
| KR940019339A (en) | Piping filter | |
| CN210322160U (en) | Sensor safety cover and pressure detection device | |
| WO2002071022A1 (en) | Arrangement at a pipe flange seal | |
| CN102317668A (en) | Member in a fluid transport circuit with mobile seal | |
| CN209131779U (en) | Device with flame-proof type magnetostrictive liquid level sensor | |
| RU2673927C1 (en) | High pressure cylinder | |
| CN216955043U (en) | Small-bore flange junction gas tightness detection device | |
| CN214467069U (en) | Pipeline mounting structure for tap water conveying | |
| US20020185866A1 (en) | Flexible metal hose termination fitting with adapter for termination plate | |
| CN210440717U (en) | Air tightness detection sealing connection device with elbow core body assembly | |
| CN210499880U (en) | Sealing clamp for airspeed tube | |
| CN111656075A (en) | Flange assembly | |
| JP3454193B2 (en) | Hydraulic fitting | |
| CN219809551U (en) | Drainage pipeline structure | |
| CN101692353B (en) | Leakage-detectable constant-stress sealing gasket | |
| CN214793641U (en) | Leak detection structure for capsule in oil conservator | |
| CN208670375U (en) | A kind of easy-to-dismount double containment sleeve | |
| CN214840159U (en) | Zero stifled metering device on line convenient to assembly | |
| CN220204982U (en) | Flange with good sealing effect | |
| CN215931288U (en) | Joint device and detection hose | |
| CN219367081U (en) | Gas pipe joint with good tightness |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |