CN209025876U - Pressure measuring structure - Google Patents
Pressure measuring structure Download PDFInfo
- Publication number
- CN209025876U CN209025876U CN201820620691.9U CN201820620691U CN209025876U CN 209025876 U CN209025876 U CN 209025876U CN 201820620691 U CN201820620691 U CN 201820620691U CN 209025876 U CN209025876 U CN 209025876U
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- China
- Prior art keywords
- pressure
- collecting hood
- fume collecting
- exhaust fume
- hole
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- 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.)
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- 239000003517 fume Substances 0.000 claims description 98
- 238000010079 rubber tapping Methods 0.000 claims description 85
- 230000001788 irregular Effects 0.000 claims description 6
- 235000019504 cigarettes Nutrition 0.000 claims description 5
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 19
- 239000003546 flue gas Substances 0.000 description 19
- 239000007789 gas Substances 0.000 description 14
- 230000000694 effects Effects 0.000 description 8
- 241000883990 Flabellum Species 0.000 description 4
- 230000013011 mating Effects 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 239000012530 fluid Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000009291 secondary effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a get and press structure, include collection petticoat pipe, fan and get and press the mouth, the fan sets up the front end of collection petticoat pipe, get and press mouth and collection petticoat pipe fixed connection, get the front end of pressing the mouth and seted up the flat mouthful, and set up the inboard of impeller on the fan, the rear end setting of getting to press the mouth is in it is external to collect the petticoat pipe, get flat mouthful and the rear end pipe connection that presses the front end to set up. Through will get the pressure mouth and set up the inboard at the impeller to through getting the fixed connection who presses mouth and collection petticoat pipe to and getting the flat mouthful that presses the mouth front end setting, under the stable state of air current, the accurate pressure condition of acquireing in the fan spiral case.
Description
Technical field
The utility model relates to gaseous fluid detection fields, and in particular to a kind of pressure taking structure.
Background technique
Blower causes the flowing of gas, at it by manufacture negative pressure as the tool of combustion-supporting gas and exhaust, blower is provided
During work, each region shows different static pressures inside spiral case, these static pressures can be collected for assisting
The realization of other additional functions, such as in the design of gas heater, such as wind pressure can be realized using these static pressures auxiliary
The functions such as excessive protection and high Wind-Pressure Resistance.
But how to guarantee that institute's pressure power is stablized, and pressure is preferably corresponding with air quantity at pressure point, is that other function is expanded
Basis.The prior art mostly uses greatly the pressure of impeller outer week, by adjusting pressure-tapping nozzle depth or angle direction to reach required pressure
Power, the production cycle is long, and pressure-tapping nozzle need to drill and cutting thread processing, and overall structure is at high cost, and pressure value easily fluctuates.
Utility model content
For overcome the deficiencies in the prior art, the purpose of the utility model is to provide one kind takes in classifying turbine inner circumferential
Pressure solves the problems, such as that pressure is mismatched with air quantity and pressure is unstable.
The technical scheme that the utility model is provided is as follows:
The front end of the exhaust fume collecting hood is arranged in a kind of pressure taking structure, including exhaust fume collecting hood, blower and pressure-tapping nozzle, the blower,
Under the cooperation of exhaust fume collecting hood, flue gas is discharged from exhaust outlet, the flabellum of the blower is opposite with the front end of the exhaust fume collecting hood,
It is rotated under the drive of motor, forms negative pressure in the front end of the exhaust fume collecting hood, flue gas extracted out inside exhaust fume collecting hood, the pressure
Mouth is fixedly connected with exhaust fume collecting hood, and the front end of the pressure-tapping nozzle offers flat mouth, and the inside of impeller on the blower is arranged in,
Impeller high-speed rotation, flue gas are excluded by the through-hole on the exhaust fume collecting hood, and on the position on the inside of impeller, flue gas flow rate is uniform,
Pressure oscillation is steady, and the pressure-tapping nozzle is fixed on the exhaust fume collecting hood, is consistent with the pressure on the inside of impeller, because in impeller
The Fluid pressure of side is stablized, and the pressure-tapping nozzle can be such that its inside is consistent with the pressure on the inside of impeller by a flat mouth,
The rear end setting of the pressure-tapping nozzle is extraneous in the exhaust fume collecting hood, and the flat mouth that the pressure front end opens up is connected with rear end pipeline, institute
The rear end for stating pressure-tapping nozzle is consistent by pipeline and the air pressure at the flat mouth, available accurate by pressure-detecting device
Atmospheric pressure value.
Further, the both ends of the pressure-tapping nozzle are provided with guide surface, the guide surface from middle part to the flat mouth to
The central axis direction of the pressure-tapping nozzle extends, and forms the shape that the middle part such as circular cone, pyramid section is greater than end cross-sectional, takes described in installation
In the state of pressure mouth, first through hole, the second through-hole and third through-hole extend through the guide surface, move along the guide surface,
It is easily installed.
Further, two groups of steps are provided in the middle part of the pressure-tapping nozzle, step described in two groups and the exhaust fume collecting hood are solid
Fixed connection, two groups of steps abut with the both ends of exhaust fume collecting hood respectively, the pressure-tapping nozzle are fixed on the exhaust fume collecting hood.
Further, the exhaust fume collecting hood includes exhaust fume collecting hood backboard, exhaust fume collecting hood foreboard and pressure-tapping nozzle bracket, before the exhaust fume collecting hood
The front end that the exhaust fume collecting hood is arranged in plate is fixedly connected with the air intake of the blower, and the exhaust fume collecting hood backboard is arranged in the collection
The rear end of petticoat pipe is oppositely arranged with the exhaust fume collecting hood foreboard, the exhaust fume collecting hood the exhaust fume collecting hood foreboard, exhaust fume collecting hood backboard and its
Under the cooperation of his mating baffle, the semiclosed region for having cavity is formed, by the combustion chamber being open with gas heater, and
Exhaust outlet connection.Under the cooperation of blower, flue gas is passed through by the opening being arranged on exhaust fume collecting hood foreboard, and the pressure-tapping nozzle branch is set up
Set in the outside of the exhaust fume collecting hood backboard, for fixing the pressure-tapping nozzle, and limit pressure-tapping nozzle axially and radially on direction,
It is provided with first through hole in the middle part of the exhaust fume collecting hood foreboard, is provided with the second through-hole, pressure-tapping nozzle in the middle part of the exhaust fume collecting hood backboard
Middle part is provided with third through-hole, and the first through hole, the second through-hole, third through-hole are corresponding, and optimal set-up mode is
Setting point-blank, the pressure-tapping nozzle pass through the first through hole, the second through-hole and third through-hole, and with first through hole and
The step that third through-hole tight fit, the first through hole and the third through-hole are circumferentially arranged with the pressure-tapping nozzle respectively is close
Cooperation, by the limit of first through hole and the second through-hole, the pressure-tapping nozzle is fixed on the exhaust fume collecting hood.
Further, the third through-hole side is provided with confined planes, the step of the pressure-tapping nozzle rear end and the limit
Plane abuts, and the rear end of the pressure-tapping nozzle is cooperated by step and the confined planes, the direction of the pressure-tapping nozzle is limited, convenient for taking
The assembly of pressure mouth, while promoting the stability of the pressure-tapping nozzle rear end after the assembly is completed.
Further, the first through hole side is provided with boss, and a part of the pressure-tapping nozzle passes through the boss,
And be fitted close with the boss, the boss is arranged in the inside of the exhaust fume collecting hood foreboard, limits the pressure radially
The activity of mouth further promotes the effect of pressure-tapping nozzle and exhaust fume collecting hood assembly.
Further, the exhaust fume collecting hood foreboard is additionally provided with flange, and the outside of the exhaust fume collecting hood is arranged in the flange,
And with blower to corresponding, under the cooperation of the flange, flue gas prevents flue gas from existing by being rectified when the opening of exhaust fume collecting hood foreboard
Occurs turbulent flow around the impeller.
Further, the pressure-tapping nozzle extends to one end on the inside of the impeller of the blower and is arranged in the flange and institute
It states between the impeller of blower, the air pressure around the flange will receive influence, the height of the flange because of the effect that flange rectifies
The part on the inside of the blower is arranged in lower than the pressure-tapping nozzle in degree, so that one end of pressure-tapping nozzle is arranged in where the flange
Between region, and the center of impeller, far from the affected region of air pressure, gas in air pressure and the spiral case at pressure-tapping nozzle flat mouth is prevented
It presses inconsistent.
Further, the pressure taking structure further includes gasket, and the gasket is socketed in the outside of the flange, with
The shape of the exhaust fume collecting hood foreboard matches, and prevents the exhaust fume collecting hood from generating seam between the volute of blower in other positions
Gap and leak cigarette, guarantee flabellum around sealing effect, prevent blower interior occur turbulent flow, cause pressure to fluctuate, the sealing
Pad is provided with anti-transfer part, and the irregular area being arranged on the anti-transfer part and the exhaust fume collecting hood foreboard is adapted, the gasket
It is clamped by the irregular area being arranged on the anti-transfer part and exhaust fume collecting hood, prevents the gasket from displacement destructor sealing occur
Property.
Further, gasket is additionally provided with positioning edge, and the positioning is mutually fitted along the top edge with the exhaust fume collecting hood foreboard
It answers, under assembled state, by positioning along matching is docked with the exhaust fume collecting hood foreboard, facilitates the gasket to position, lift-off seal
Pad the reliability of installation.
Compared with prior art, the pressure-tapping nozzle by being arranged in the inside of impeller by the utility model, and is passed through and will be taken
Pressure mouth is fixedly connected with exhaust fume collecting hood, and the flat mouth being arranged by pressure-tapping nozzle front end accurately obtains wind in the state of steady air current
Pressure condition in machine spiral case.
Detailed description of the invention
Fig. 1 is a kind of explosive view of pressure taking structure of the utility model.
Fig. 2 is a kind of top view of pressure taking structure of the utility model.
Fig. 3 is the sectional view of the utility model Fig. 2.
Fig. 4 is the schematic diagram of the utility model pressure-tapping nozzle bracket.
Fig. 5 is the schematic diagram of the utility model pressure-tapping nozzle
Description of symbols:
100 --- exhaust fume collecting hood, 101 --- exhaust fume collecting hood foreboard, 1011 --- first through hole, 1012 --- flange,
1013 --- irregular area, 102 --- exhaust fume collecting hood backboard, 1021 --- the second through-hole, 103 --- pressure-tapping nozzle bracket,
1031 --- third through-hole, 1032 --- confined planes, 200 --- blower, 201 --- impeller, 300 --- pressure-tapping nozzle,
301 --- --- --- --- gasket, 401 --- anti-transfer part, 402 --- are fixed for guide surface, 400 for step, 303 for flat mouth, 302
Position edge.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
A kind of pressure taking structure, including exhaust fume collecting hood 100, blower 200 and pressure-tapping nozzle 300, the blower 200 are arranged in the collection
The front end of petticoat pipe 100 is threadedly coupled by screw and the hole being arranged on spiral case and petticoat pipe, under the cooperation of exhaust fume collecting hood 100,
Flue gas is discharged blower 200 from exhaust outlet, and the gas outlet opened up on the flabellum of the blower 200 and the exhaust fume collecting hood 100 is opposite,
It is rotated under the drive of motor, forms negative pressure in the front end of the exhaust fume collecting hood 100, flue gas is extracted out inside exhaust fume collecting hood 100,
Flue gas passes through the air inlet that 100 bottom of exhaust fume collecting hood is arranged, and the gas outlet opposite with fan blades of motor is discharged from exhaust outlet.
The pressure-tapping nozzle 300 is fixedly connected with exhaust fume collecting hood 100, and the front end of the pressure-tapping nozzle 300 offers flat mouth 301, and
And the inside of impeller 201 on the blower 200 is set, 201 high-speed rotation of impeller, flue gas passes through on the exhaust fume collecting hood 100
During through-hole is discharged, on the position of 201 inside of impeller, flue gas flow rate is uniform, and pressure oscillation is steady, the pressure-tapping nozzle
300 is fixed on the exhaust fume collecting hood 100, is consistent with the pressure of 201 inside of impeller, because of the fluid pressure of 201 inside of impeller
Power is stablized, and the pressure-tapping nozzle 300 can be such that its internal pressure on the inside of impeller 201 is consistent by a flat mouth 301,
Flue gas steadily flows through near flat mouth 301, and pressure change is steady.The rear end of the pressure-tapping nozzle 300 is arranged in the exhaust fume collecting hood
100 is extraneous, and the flat mouth 301 that the pressure-tapping nozzle front end opens up is connected with rear end pipeline, and the rear end of the pressure-tapping nozzle 300 passes through pipeline
It is consistent with the air pressure at the flat mouth 301, passes through the available accurate atmospheric pressure value of pressure-detecting device.
Pressure-tapping nozzle in the prior art is arranged on the spiral case of blower, the position of pressure in the periphery of draught fan impeller, and
Fixed point only one, usually also want additional processing screw thread that pressure-tapping nozzle is fixed on spiral case, pressure receives wind speed in order to prevent
Influence, need to be arranged an angle so that the opening on pressure-tapping nozzle direction with wind direction on the contrary, so difficulty of processing it is big, and
And when pressure-tapping nozzle rotates, the direction of opening will change and enter the wind, and seriously affect the accuracy of pressure;And this is practical
Pressure-tapping nozzle is fixed on exhaust fume collecting hood by the scheme of novel offer by two fixing points, is processed using conventional hollow tube,
Without process screw thread etc. for fastening structure, while the inner circumferential of impeller, direction and the wind direction phase of pressure-tapping nozzle is arranged in pressure point
Together, it opens up a flat mouth i.e. and can guarantee that the opening direction of pressure-tapping nozzle is opposite with wind direction.
The exhaust fume collecting hood 100 includes 300 bracket 103 of exhaust fume collecting hood backboard 102, exhaust fume collecting hood foreboard 101 and pressure-tapping nozzle, described
The front end that the exhaust fume collecting hood 100 is arranged in exhaust fume collecting hood foreboard 101 is fixedly connected with the air intake of the blower 200, the collection cigarette
The rear end of the exhaust fume collecting hood 100 is arranged in cover backboard 102 and the exhaust fume collecting hood foreboard 101 is oppositely arranged the exhaust fume collecting hood foreboard
101, exhaust fume collecting hood backboard 102 and other mating baffles constitute exhaust fume collecting hood 100, form the semiclosed region for having cavity, lead to
Cross the air inlet of 100 bottom of exhaust fume collecting hood and the combustion chamber of mating gas heater, and going out by the exhaust fume collecting hood foreboard 101
Port is connect with exhaust outlet at the top of smoke machine, under the drive of blower 200, the mating indoor flue gas of burning is excluded, the pressure
The outside of the exhaust fume collecting hood backboard 102 is arranged in 300 bracket 103 of mouth, for fixing the pressure-tapping nozzle 300, and limits pressure
Mouth 300 axially and radially on direction, the middle part of the exhaust fume collecting hood foreboard 101 is provided with first through hole 1011, the exhaust fume collecting hood
The middle part of backboard 102 is provided with the second through-hole 1021, and third through-hole 1031, the first through hole are provided in the middle part of pressure-tapping nozzle 300
1011, the second through-hole 1021, third through-hole 1031 are provided in opposite with impeller 201, and on vertical straight line, the pressure
Mouth 300 passes through the first through hole 1011, the second through-hole 1021 and third through-hole 1031, and logical with first through hole 1011 and third
Hole 1031 is fitted close, and the first through hole 1011 and the third through-hole 1031 are circumferentially arranged with the pressure-tapping nozzle 300 respectively
Step 302 be fitted close, by the limit of first through hole 1011 and the second through-hole 1021, the pressure-tapping nozzle 300 is fixed on institute
State on exhaust fume collecting hood 100, in assembling process, the step 302 that is arranged on the pressure-tapping nozzle 300 first through hole 1011 side with
The exhaust fume collecting hood foreboard 101 abuts, while abutting in the side of the second through-hole 1021 with the exhaust fume collecting hood backboard 102, will be described
The flat mouth 301 of 300 front end of pressure-tapping nozzle is fixed on the inside of impeller 201, is conducive to the air pressure for accurately collecting 201 inside of impeller.
Further, the both ends of the pressure-tapping nozzle 300 are provided with guide surface 303, and the guide surface 303 is by middle part to end
Portion extends internally, in the state that the pressure-tapping nozzle 300 is installed, first through hole 1011, the second through-hole 1021 and third through-hole 1031
The guide surface 303 is extended through, moves, is easily installed along the guide surface 303.
Further, 1031 side of third through-hole is provided with confined planes 1032,300 rear end of pressure-tapping nozzle
Step 302 is abutted with the confined planes 1032, and the rear end of the pressure-tapping nozzle 300 is matched by step 302 with the confined planes 1032
It closes, limits the direction of the pressure-tapping nozzle 300, convenient for the assembly of pressure-tapping nozzle 300, while promoting the pressure-tapping nozzle after the assembly is completed
The stability of 300 rear ends.
Further, 1011 side of first through hole is provided with boss, and a part of the pressure-tapping nozzle 300 passes through institute
Boss is stated, and is fitted close with the boss, the boss is arranged in the inside of the exhaust fume collecting hood foreboard 101, limits radially
The activity for making the pressure-tapping nozzle 300, prevents pressure-tapping nozzle 300 from jolting, and causes 301 surrounding of flat mouth to generate air-flow, is further promoted and taken
The effect of pressure mouth 300 and the exhaust fume collecting hood 100 assembly.
Further, the exhaust fume collecting hood foreboard 101 is additionally provided with flange 1012, and the flange 1012 is arranged in the collection
The outside of petticoat pipe 100, and with blower 200 to corresponding, under the cooperation of the flange 1012, flue gas passes through exhaust fume collecting hood foreboard 101
Gas outlet when be rectified, prevent flue gas from occurring turbulent flow, in the state of no flange 1012, cigarette around the impeller 201
For gas through gas outlet at the thin plate around gas outlet, flowing instability will generate the movement of turbulence prediction spiral case inside smoke
State, and the thin plate around gas outlet is caused to generate vibration, secondary effect is caused to the flowing of flue gas.
Further, one end setting that the pressure-tapping nozzle 300 extends on the inside of the impeller of the blower 200 is turned over described
Between side 1012 and the impeller of the blower 200., the air pressure around the flange 1012 because of the effect that flange 1012 rectifies,
It will accelerate the flowing of flue gas, flow of flue gas fast speed causes air pressure to be lower than average gas pressure inside spiral case, the flange 1012
There is error lower than the air pressure that the pressure-tapping nozzle 300 prevents 300 flat mouth 301 of pressure-tapping nozzle from going out in height.
Further, the pressure taking structure further includes gasket 400, and the gasket 400 is socketed in the flange
1012 outside matches with the shape of the exhaust fume collecting hood foreboard 101, prevent the exhaust fume collecting hood 100 in other positions with institute
It states and generates gap between 200 spiral case of blower and leak cigarette, guarantee sealing effect around flabellum, prevent occurring turbulent flow inside blower 200,
Pressure is caused to fluctuate, the gasket 400 is provided with anti-transfer part 401, the anti-transfer part 401 and the exhaust fume collecting hood foreboard
The irregular area 1013 being arranged on 101 is adapted, and the gasket 400 passes through on the anti-transfer part 401 and exhaust fume collecting hood 100
The irregular area 1013 of setting is clamped, and prevents the gasket 400 from displacement destructor leakproofness occur.
Further, gasket 400 is additionally provided with positioning along 402, and the positioning is along 402 and the exhaust fume collecting hood foreboard
101 top edge is adapted, and under assembled state, matching is docked with the exhaust fume collecting hood foreboard 101 along 402 by positioning, facilitate described in
Gasket 400 positions, the reliability that lift-off seal pad 400 is installed.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in
Change or replacement, should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should
It is subject to the protection scope in claims.
Claims (10)
1. a kind of pressure taking structure, it is characterised in that: including exhaust fume collecting hood, blower and pressure-tapping nozzle, the blower is arranged in the collection cigarette
One end of cover, one end of the pressure-tapping nozzle is through the exhaust fume collecting hood and extends on the inside of the impeller of the blower, and described takes
The other end of pressure mouth is arranged outside exhaust fume collecting hood.
2. a kind of pressure taking structure according to claim 1, it is characterised in that: the end of the pressure-tapping nozzle is provided with flat mouth,
The both ends of the pressure-tapping nozzle are provided with guide surface, and the guide surface is from middle part to the flat mouth to the central axis direction of the pressure-tapping nozzle
Extend.
3. a kind of pressure taking structure according to claim 1, it is characterised in that: be provided with two groups of platforms in the middle part of the pressure-tapping nozzle
Rank, step described in two groups are fixedly connected with the exhaust fume collecting hood.
4. a kind of pressure taking structure according to claim 1, it is characterised in that: the exhaust fume collecting hood includes exhaust fume collecting hood backboard, collection
Petticoat pipe foreboard and pressure-tapping nozzle bracket, the exhaust fume collecting hood foreboard are fixedly connected with the air intake of the blower, the exhaust fume collecting hood backboard
It is oppositely arranged with the exhaust fume collecting hood foreboard, the outside of the exhaust fume collecting hood backboard, the exhaust fume collecting hood is arranged in the pressure-tapping nozzle bracket
It is provided with first through hole in the middle part of foreboard, the second through-hole is provided in the middle part of the exhaust fume collecting hood backboard, is provided in the middle part of pressure-tapping nozzle
Third through-hole, the first through hole, the second through-hole, third through-hole are corresponding, and the pressure-tapping nozzle runs through the first through hole, second
Through-hole and third through-hole, and be fitted close with first through hole and third through-hole, the first through hole and third through-hole difference
It is fitted close with the step that the pressure-tapping nozzle is circumferentially arranged.
5. a kind of pressure taking structure according to claim 4, it is characterised in that: the third through-hole side is provided with limit
The step in face, pressure-tapping nozzle one end setting is abutted with the confined planes.
6. a kind of pressure taking structure according to claim 4, it is characterised in that: the first through hole side is provided with boss,
One end of the pressure-tapping nozzle passes through the boss, and is fitted close with the boss.
7. a kind of pressure taking structure according to claim 4, it is characterised in that: the exhaust fume collecting hood foreboard is additionally provided with flange,
The side of the exhaust fume collecting hood is arranged in the flange, and corresponding with blower.
8. a kind of pressure taking structure according to claim 7, it is characterised in that: the pressure-tapping nozzle extends to the leaf of the blower
One end of wheel inside is arranged between the flange and the impeller of the blower.
9. a kind of pressure taking structure according to claim 7, it is characterised in that: the pressure taking structure further includes gasket, institute
State the outside that gasket is socketed in the flange, the gasket is provided with anti-transfer part, before the anti-transfer part and the exhaust fume collecting hood
The irregular area being arranged on plate is adapted.
10. a kind of pressure taking structure according to claim 9, it is characterised in that: gasket is additionally provided with positioning edge, described fixed
Position is adapted along with the top edge of the exhaust fume collecting hood foreboard.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201820620691.9U CN209025876U (en) | 2018-04-27 | 2018-04-27 | Pressure measuring structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201820620691.9U CN209025876U (en) | 2018-04-27 | 2018-04-27 | Pressure measuring structure |
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CN209025876U true CN209025876U (en) | 2019-06-25 |
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CN (1) | CN209025876U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110185646A (en) * | 2018-04-27 | 2019-08-30 | 华帝股份有限公司 | Pressure measuring structure |
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2018
- 2018-04-27 CN CN201820620691.9U patent/CN209025876U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110185646A (en) * | 2018-04-27 | 2019-08-30 | 华帝股份有限公司 | Pressure measuring structure |
CN110185646B (en) * | 2018-04-27 | 2024-04-09 | 华帝股份有限公司 | Pressure taking structure |
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