CN217211001U - Plug-in type thermal gas mass flow meter - Google Patents
Plug-in type thermal gas mass flow meter Download PDFInfo
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- CN217211001U CN217211001U CN202220869063.0U CN202220869063U CN217211001U CN 217211001 U CN217211001 U CN 217211001U CN 202220869063 U CN202220869063 U CN 202220869063U CN 217211001 U CN217211001 U CN 217211001U
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Abstract
The utility model provides a bayonet hot type gas mass flow meter, include: the air inlet device comprises a display meter, a fixed pipe, a connecting plate, an air inlet cylinder and a limiting plate, wherein the display meter is installed at the top of the fixed pipe, the connecting plate is installed at the bottom end of the fixed pipe, the air inlet cylinder is fixed at the bottom side of the connecting plate, an air inlet cylinder is arranged in a cavity at the bottom of the air inlet cylinder, a guide plate is parallel to the air flow direction under the action of air flow pressure fit, the air flow direction is responded to the front side of a port of the air inlet cylinder, a stress plate is faced to the air flow in the front side, the stress uniformity of the stress surface is ensured, the windward surface of the stress plate is perpendicular to the air flow direction no matter the initial state of the air inlet cylinder is in any posture in the process of entering the air inlet cylinder, the measurement result can be ensured to be accurate, a wind shield is driven to slide, the penetration of a flow guide hole is realized, the change of data can be avoided in the process of entering the air inlet cylinder, the air flow can be accurately measured, the data interference in the entering process can be avoided, and the one-time reading can be accurate, the accuracy of the measured data is ensured.
Description
Technical Field
The utility model belongs to the technical field of the flowmeter, specifically be a bayonet hot type gas mass flow meter.
Background
The gas flowmeter is an instrument for measuring gas flow, is arranged in a pipeline to record the amount of gas flowing through, and can measure gas, air, nitrogen, acetylene, phosgene, hydrogen, natural gas, ammonia and the like;
along with social development, the air inlet surfaces of existing flowmeters are all of a fixed structure, and during measurement, because the receiving surfaces of sensors are pressure units of air flow, when the flowmeters are different in orientation, the force bearing surfaces are different, so that the measurement values are different at the same position, and the measurement is inaccurate.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims at providing a bayonet hot type gas mass flow meter to solve the problem that proposes in the above-mentioned background art, the utility model discloses no matter the initial condition of air inlet cylinder is any gesture, the windward side of atress board all is perpendicular with the air current direction, can guarantee that measuring result is accurate.
The purpose of the utility model can be realized by the following technical scheme: an insertion thermal gas mass flow meter comprising: the air inlet device comprises a display meter, a fixed pipe, a connecting plate, an air inlet cylinder, a limiting plate, a connecting rod, a push rod, a spring, a positioning plate, a movable pipe, a wind shield, a flow guide hole, a swing shaft, an air inlet cylinder, a guide plate, a flow metering sensor and a stress plate, wherein the display meter is installed at the top of the fixed pipe, the connecting plate is installed at the bottom end of the fixed pipe, the air inlet cylinder is fixed at the bottom side of the connecting plate, the air inlet cylinder is arranged in a bottom cavity of the air inlet cylinder, the swing shaft is fixed on the cylinder wall of the air inlet cylinder, the end part of the swing shaft is installed in the cylinder wall of the air inlet cylinder through the matching of a bearing, the guide plate is installed on the circumferential surface of the swing shaft, the flow metering sensor is installed inside one end of the air inlet cylinder, and the stress plate is arranged on the flow metering sensor.
Furthermore, the bottom of the air inlet cylinder is provided with a flow guide hole, and the air inlet cylinder is arranged in the flow guide hole.
Furthermore, the inside of air inlet cylinder is provided with the expansion pipe, the bottom side of expansion pipe is fixed with the deep bead, the top of expansion pipe is fixed with the connecting rod, the middle part cover of connecting rod is equipped with the limiting plate, the rigid coupling has the spring between limiting plate and the connecting plate, can realize the activity or the reseing of expansion pipe.
Furthermore, a slide hole is formed in one side of the top of the air inlet cylinder, a push rod is installed in the slide hole, one end of the push rod is fixed to the connecting rod, the other end of the push rod penetrates through the connecting plate, and a positioning plate is fixed to the other end of the push rod.
Furthermore, the flow metering sensor is connected with the display meter through a signal line, and the stress plate is closely attached to the sensing side of the flow metering sensor, so that data transmission can be better realized.
Furthermore, the wind shield at the bottom of the movable pipe corresponds to the flow guide hole at the bottom of the air inlet cylinder, and can be matched with the air flow to enter the air inlet cylinder once.
The utility model has the advantages that: the utility model discloses a plug-in hot type gas mass flow meter, with the one end of admission cylinder go deep into in the air current pipe, the air current passes through the water conservancy diversion hole, install the oscillating axle through the bearing cooperation inside the water conservancy diversion hole, be provided with the deflector on the periphery of oscillating axle, when gas flows, the deflector is under air current pressure fit, the deflector is parallel with the air current direction, the port of admission cylinder openly deals with the air current direction, the atress board openly faces to the air current, guarantee that the atress of atress face is even, in the admission cylinder goes deep into the in-process, no matter the initial condition of admission cylinder is any gesture, the windward face of atress board all is perpendicular with the air current direction, can guarantee that the measuring result is accurate;
when measuring, when the air inlet section of thick bamboo deepened the air current after stable, the pulling push rod realizes the pulling to the connecting rod, realizes the pulling to the movable tube, and the drive deep bead slides, realizes lining up of guiding gutter, avoids the air inlet section of thick bamboo to deepen the in-process, will take place the change of data, can the accurate measurement air flow, avoids the data interference of entering process, and the accuracy of measured data is guaranteed to the disposable reading that can be accurate.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
Fig. 1 is a schematic view of the overall front perspective structure of the present invention;
fig. 2 is a schematic diagram of the overall rear perspective structure of the present invention;
FIG. 3 is a schematic overall sectional structure of the present invention;
fig. 4 is a structural diagram of a region a in the schematic overall sectional structure of the present invention;
in the figure: 1. displaying the table; 2. a fixed tube; 3. a connecting plate; 4. an air inlet cylinder; 5. a limiting plate; 6. a connecting rod; 7. a push rod; 8. a spring; 9. positioning a plate; 10. a movable tube; 11. a wind deflector; 12. a flow guide hole; 13. a swing shaft; 14. an air inlet cylinder; 15. a guide plate; 16. a flow metering sensor; 17. a stress plate.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1 to 4, an insertion type thermal gas mass flow meter includes: the display meter comprises a display meter 1, a fixed pipe 2, a connecting plate 3, an air inlet cylinder 4, a limiting plate 5, a connecting rod 6, a push rod 7, a spring 8, a positioning plate 9, a movable pipe 10, a wind shield 11, a diversion hole 12, a swing shaft 13, an air inlet cylinder 14, a guide plate 15, a flow metering sensor 16 and a stress plate 17, wherein the display meter 1 is installed at the top of the fixed pipe 2, the connecting plate 3 is installed at the bottom end of the fixed pipe 2, the air inlet cylinder 4 is fixed at the bottom side of the connecting plate 3, the air inlet cylinder 14 is arranged in a bottom cavity of the air inlet cylinder 4, the swing shaft 13 is fixed on the cylinder wall of the air inlet cylinder 14, the end part of the swing shaft 13 is installed in the cylinder wall of the air inlet cylinder 4 in a matching manner through a bearing, the guide plate 15 is installed on the circumferential surface of the swing shaft 13, the flow metering sensor 16 is installed inside one end of the air inlet cylinder 4, the flow metering sensor 16 is tightly attached to the display meter 1 through a signal line, and the stress plate 17 is closely attached to the sensing side of the flow metering sensor 16, the bottom of the air inlet cylinder 4 is provided with a diversion hole 12, the air inlet cylinder 14 is arranged in the diversion hole 12, when the air inlet cylinder works, one end of the air inlet cylinder 4 is inserted into an air flow pipe, air flow passes through the diversion hole 12, a swing shaft 13 is arranged in the diversion hole 12 in a matching way through a bearing, a guide plate 15 is arranged on the circumferential surface of the swing shaft 13, when air flows, the guide plate 15 is in air flow pressure matching, the guide plate 15 is parallel to the air flow direction, the front face of the port of the air inlet cylinder 14 corresponds to the air flow direction, the front face of the stress plate 17 faces the air flow, the stress uniformity of the stress surface is ensured, and in the insertion process of the air inlet cylinder 4, no matter the initial state of the air inlet cylinder 4 is any posture, the windward face of the stress plate 17 is vertical to the air flow direction, and the accurate measurement result can be ensured.
The air inlet cylinder 4 is internally provided with a movable pipe 10, a wind shield 11 is fixed on the bottom side of the movable pipe 10, a connecting rod 6 is fixed on the top of the movable pipe 10, a limiting plate 5 is sleeved in the middle of the connecting rod 6, a spring 8 is fixedly connected between the limiting plate 5 and the connecting plate 3, one side of the top of the air inlet cylinder 4 is provided with a sliding hole, a push rod 7 is installed in the sliding hole, one end of the push rod 7 is fixed on the connecting rod 6, the other end of the push rod 7 penetrates through the connecting plate 3, the other end of the push rod 7 is fixed with a positioning plate 9, the wind shield 11 at the bottom of the movable pipe 10 is arranged corresponding to a flow guide hole 12 at the bottom of the air inlet cylinder 4, when the air inlet cylinder 4 works, after the air flow is stable deeply penetrated, the push rod 7 is pulled, the connecting rod 6 is pulled, the movable pipe 10 is pulled, the wind shield 11 is driven to slide, the flow guide hole 12 is communicated, and the air inlet cylinder 4 is prevented from being deeply penetrated, and data change can occur, the gas flow can be accurately measured, data interference in the entering process is avoided, one-time reading can be accurate, and the accuracy of measured data is guaranteed.
The utility model discloses when specifically implementing: when the air inlet cylinder 4 is used, the connecting plate 3 is held by hand, one end of the air inlet cylinder 4 is inserted into the air flow pipe, the air flow passes through the guide hole 12, the swing shaft 13 is arranged in the guide hole 12 in a matching mode through a bearing, the circumferential surface of the swing shaft 13 is provided with the guide plate 15, when the air flows, the guide plate 15 is parallel to the air flow direction under the air flow pressure matching, the front surface of the port of the air inlet cylinder 14 corresponds to the air flow direction, the front surface of the stress plate 17 faces the air flow, the stress of the stress surface is ensured to be uniform, and in the inserting process of the air inlet cylinder 4, the windward surface of the stress plate 17 is vertical to the air flow direction no matter the initial state of the air inlet cylinder 4 is any posture, so that the accuracy of a measuring result can be ensured;
when measuring, after air inlet cylinder 4 deepened the air current and stabilized, pulling push rod 7 realized the pulling to connecting rod 6, realized the pulling to activity pipe 10, driven deep bead 11 and slided, realized lining up of water conservancy diversion hole 12, avoided air inlet cylinder 4 to deepen the in-process, will take place the change of data, can the accurate measurement air flow, avoid the data interference that gets into the process, disposable reading that can be accurate guarantees measured data's accuracy.
The preferred embodiments of the present invention disclosed above are intended to aid in the description of the invention. The preferred embodiments are not exhaustive and do not limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. The utility model provides an bayonet hot type gas mass flow meter, is including showing table (1), fixed pipe (2) and connecting plate (3), show table (1) is installed at the top of fixed pipe (2), connecting plate (3) are installed to the bottom of fixed pipe (2), its characterized in that, the bottom side of connecting plate (3) is fixed with air inlet cylinder (4), the bottom intracavity of air inlet cylinder (4) is provided with air inlet cylinder (14), be fixed with swing axle (13) on the section of thick bamboo wall of air inlet cylinder (14), the tip of swing axle (13) is installed in the section of thick bamboo wall of air inlet cylinder (4) through the bearing cooperation, install deflector (15) on the periphery of swing axle (13), the one end internally mounted of air inlet cylinder (4) has flow sensor (16), be provided with atress board (17) on flow sensor (16).
2. An insertion thermal gas mass flowmeter according to claim 1, characterized in that the bottom of the inlet funnel (4) is provided with flow guide holes (12), and the inlet funnel (14) is arranged in the flow guide holes (12).
3. An inserted thermal gas mass flowmeter according to claim 2, wherein a movable tube (10) is arranged inside the inlet cylinder (4), a wind deflector (11) is fixed to the bottom side of the movable tube (10), a connecting rod (6) is fixed to the top of the movable tube (10), a limiting plate (5) is sleeved in the middle of the connecting rod (6), and a spring (8) is fixedly connected between the limiting plate (5) and the connecting plate (3).
4. An inserted thermal gas mass flowmeter according to claim 3, wherein a slide hole is formed in one side of the top of the inlet cylinder (4), a push rod (7) is installed in the slide hole, one end of the push rod (7) is fixed to the connecting rod (6), the other end of the push rod (7) penetrates through the connecting plate (3), and a positioning plate (9) is fixed to the other end of the push rod (7).
5. An insertion thermal gas mass flow meter according to claim 1, characterized in that the flow sensor (16) is connected with the display meter (1) by a signal line, and the force bearing plate (17) is closely attached to the sensing side of the flow sensor (16).
6. An insertion thermal gas mass flowmeter according to claim 3, characterized in that the wind deflector (11) at the bottom of the movable tube (10) is arranged corresponding to the flow guide hole (12) at the bottom of the inlet pipe (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220869063.0U CN217211001U (en) | 2022-04-14 | 2022-04-14 | Plug-in type thermal gas mass flow meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220869063.0U CN217211001U (en) | 2022-04-14 | 2022-04-14 | Plug-in type thermal gas mass flow meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217211001U true CN217211001U (en) | 2022-08-16 |
Family
ID=82773400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220869063.0U Active CN217211001U (en) | 2022-04-14 | 2022-04-14 | Plug-in type thermal gas mass flow meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217211001U (en) |
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2022
- 2022-04-14 CN CN202220869063.0U patent/CN217211001U/en active Active
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