CN210441938U - Critical flow nozzle gas flow standard device - Google Patents

Critical flow nozzle gas flow standard device Download PDF

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Publication number
CN210441938U
CN210441938U CN201921192474.5U CN201921192474U CN210441938U CN 210441938 U CN210441938 U CN 210441938U CN 201921192474 U CN201921192474 U CN 201921192474U CN 210441938 U CN210441938 U CN 210441938U
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CN
China
Prior art keywords
main body
flowmeter main
flowmeter
fixed seat
connecting frame
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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.)
Expired - Fee Related
Application number
CN201921192474.5U
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Chinese (zh)
Inventor
宋明阳
岳越野
李波
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Henan Huake Testing Co Ltd
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Henan Huake Testing Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Henan Huake Testing Co Ltd filed Critical Henan Huake Testing Co Ltd
Priority to CN201921192474.5U priority Critical patent/CN210441938U/en
Application granted granted Critical
Publication of CN210441938U publication Critical patent/CN210441938U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a critical flow nozzle gas flow standard device, which comprises a gas circulation pipeline, wherein the upper surface of the gas circulation pipeline is provided with a support column, the top end of the support column is provided with a fixed seat, both ends of the fixed seat are provided with fixed seat support frames, the fixed seat support frames are connected with the support column through bolts in a screwing manner, the upper surface of the fixed seat is provided with a connecting frame, both sides of the end part of the connecting frame are provided with poking rods, and the upper surface of the connecting frame is provided with a flowmeter main body; the display screen can be rotated through the bearing in inside and drive the link rotation according to staff's position and the different messenger readings of direction of display screen through the junction design bearing at spacing groove and link when avoiding observing needs to carry out the reading to drive the direction of flowmeter main part to the staff between the direction of observing by the link adjustment of flowmeter main part, solved the inconvenient problem of reading.

Description

Critical flow nozzle gas flow standard device
Technical Field
The utility model belongs to the technical field of the flowmeter, concretely relates to critical flow nozzle gas flow standard device.
Background
The existing critical flow nozzle gas flow standard device refers to a meter for measuring the flow and/or the total amount of fluid in a selected time interval, and is simply a meter for measuring the flow of fluid in a pipeline or an open channel; critical flow nozzle gas flow standard device is because long-time exposing can't carry out the guard action at the surface to the display screen when using, causes the display screen obscure, can make the inconvenient problem of reading according to staff's position and the direction difference of display screen when observing the needs and reading, for this reason we provide a critical flow nozzle gas flow standard device.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a critical flow nozzle gas flow standard device to propose critical flow nozzle gas flow standard device in solving above-mentioned background art and can't carry out the guard action to the display screen owing to show for a long time at the surface when using, cause the display screen obscure, can make the inconvenient problem of reading according to staff's position and the different orientation of display screen when observing the needs and reading.
In order to achieve the above object, the utility model provides a following technical scheme: a critical flow nozzle gas flow standard device comprises a gas flow pipeline, wherein a support column is arranged on the upper surface of the gas flow pipeline, a fixed seat is arranged at the top end of the support column, fixed seat support frames are arranged at two ends of the fixed seat, the fixed seat support frames are connected with the support column in a screwing mode through bolts, a connecting frame is arranged on the upper surface of the fixed seat, poking rods are arranged on two sides of the end portion of the connecting frame, a flowmeter main body is arranged on the upper surface of the connecting frame, a display screen is arranged at the middle position of the front surface of the flowmeter main body, a groove is arranged at the middle position of one end of the upper surface of the flowmeter main body, a second fixture block is arranged inside the groove, a flowmeter main body cover is arranged at the other end of the flowmeter main body, and a hinge is arranged, the flowmeter is characterized in that adsorption magnets are arranged on the periphery of the upper surface of the flowmeter main body cover, and a first clamping block is arranged in the middle of one end of the upper surface of the flowmeter main body cover.
Preferably, a limiting groove is formed in the middle of the fixing seat, a bearing is arranged in the limiting groove, and a connecting frame is arranged in the bearing.
Preferably, the outer surface of the bearing is fixedly connected with the inner surface of the limiting groove through welding, and the inner surface of the bearing is fixedly connected with the outer surface of the connecting frame through welding.
Preferably, the flowmeter main body and the flowmeter main body cover are fixedly connected through the first fixture block and the second fixture block in a clamping manner, the first fixture block and the flowmeter main body cover are of an integrated structure, and the second fixture block and the flowmeter main body are of an integrated structure.
Preferably, the connecting frame and the fixing seat are fixedly connected with the limiting groove through the bearing.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) flowmeter main part is through the front surface design flowmeter main part lid at the flowmeter main part, avoid when using because expose for a long time at the unable guard action of surface to the display screen, cause the display screen fuzzy, can rotate flowmeter main part lid and flowmeter main part closure to the upper surface position of flowmeter main part through the hinge, through first fixture block and second fixture block in the closure, adsorb flowmeter main part and flowmeter main part lid through adsorption magnet and closely fix and can protect, the problem that the display screen shows outside fuzzy is solved.
(2) The display screen can be rotated through the bearing in inside and drive the link rotation according to staff's position and the different messenger readings of direction of display screen through the junction design bearing at spacing groove and link when avoiding observing needs to carry out the reading to drive the direction of flowmeter main part to the staff between the direction of observing by the link adjustment of flowmeter main part, solved the inconvenient problem of reading.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a structural schematic diagram of the flowmeter main body and the flowmeter main body cover in an open state according to the present invention;
FIG. 3 is a schematic top view of the connecting frame, the bearing and the fixing base of the present invention;
in the figure: 1. a flow meter body; 2. a display screen; 3. a poke rod; 4. a connecting frame; 5. a bearing; 6. a fixed seat; 7. a gas flow conduit; 8. a support pillar; 9. a fixed seat support frame; 10. adsorbing a magnet; 11. a first clamping block; 12. a flowmeter body cover; 13. a hinge; 14. a second fixture block; 15. a groove; 16. a limiting groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
Referring to fig. 1, fig. 2 and fig. 3, the present invention provides a technical solution: a critical flow nozzle gas flow standard device comprises a gas flow pipeline 7, a support column 8 is arranged on the upper surface of the gas flow pipeline 7, a fixed seat 6 is arranged at the top end of the support column 8, fixed seat support frames 9 are arranged at two ends of the fixed seat 6, the fixed seat support frames 9 are connected with the support column 8 in a screwing mode through bolts, a connecting frame 4 is arranged on the upper surface of the fixed seat 6, poking rods 3 are arranged on two sides of the end portion of the connecting frame 4, a flowmeter main body 1 is arranged on the upper surface of the connecting frame 4, a display screen 2 is arranged in the middle position of the front surface of the flowmeter main body 1, a groove 15 is arranged in the middle position of one end of the upper surface of the flowmeter main body 1, a second fixture block 14 is arranged inside the groove 15, a flowmeter main body cover 12 is arranged on the other section of the flowmeter, adsorption magnets 10 are arranged on the periphery of the upper surface of the flowmeter main body cover 12, and a first clamping block 11 is arranged in the middle of one end of the upper surface of the flowmeter main body cover 12.
In order to facilitate the adjustment of the direction of the flowmeter body 1, in the present embodiment, it is preferable that a limit groove 16 is disposed at an intermediate position of the fixing base 6, a bearing 5 is disposed inside the limit groove 16, and a connecting frame 4 is disposed inside the bearing 5.
In order to fix the bearing 5, in this embodiment, it is preferable that the outer surface of the bearing 5 is fixedly connected to the inner surface of the limiting groove 16 by welding, and the inner surface of the bearing 5 is fixedly connected to the outer surface of the connecting frame 4 by welding.
In order to facilitate the fixed engagement of the flowmeter body 1 and the flowmeter body cover 12, in this embodiment, preferably, the flowmeter body 1 and the flowmeter body cover 12 are fixedly engaged with each other by the first fixture block 11 and the second fixture block 14, the first fixture block 11 and the flowmeter body cover 12 are of an integrated structure, and the second fixture block 14 and the flowmeter body 1 are of an integrated structure.
In order to change the direction of the flowmeter body 1 through the bearing 5, in the embodiment, it is preferable that the connecting frame 4 and the fixing base 6 are fixedly connected with the limiting groove 16 through the bearing 5.
Example 2
Referring to fig. 1, fig. 2 and fig. 3, the present invention provides a technical solution: a critical flow nozzle gas flow standard device comprises a gas flow pipeline 7, a support column 8 is arranged on the upper surface of the gas flow pipeline 7, a fixed seat 6 is arranged at the top end of the support column 8, fixed seat support frames 9 are arranged at two ends of the fixed seat 6, the fixed seat support frames 9 are connected with the support column 8 through bolts in a screwing mode, a connecting frame 4 is arranged on the upper surface of the fixed seat 6, poking rods 3 are arranged on two sides of the end portion of the connecting frame 4, a flowmeter main body 1 is arranged on the upper surface of the connecting frame 4, a display screen 2 is arranged in the middle position of the front surface of the flowmeter main body 1, a groove 15 is arranged in the middle position of one end of the upper surface of the flowmeter main body 1, a second fixture block 14 is arranged inside the groove 15, a flowmeter main body cover 12 is arranged at the other end of the, adsorption magnets 10 are arranged on the periphery of the upper surface of the flowmeter main body cover 12, and a first clamping block 11 is arranged in the middle of one end of the upper surface of the flowmeter main body cover 12.
In order to facilitate the adjustment of the direction of the flowmeter body 1, in the present embodiment, it is preferable that a limit groove 16 is disposed at an intermediate position of the fixing base 6, a bearing 5 is disposed inside the limit groove 16, and a connecting frame 4 is disposed inside the bearing 5.
In order to fix the bearing 5, in this embodiment, it is preferable that the outer surface of the bearing 5 is fixedly connected to the inner surface of the limiting groove 16 by welding, and the inner surface of the bearing 5 is fixedly connected to the outer surface of the connecting frame 4 by welding.
In order to facilitate the fixed engagement of the flowmeter body 1 and the flowmeter body cover 12, in this embodiment, preferably, the flowmeter body 1 and the flowmeter body cover 12 are fixedly engaged with each other by the first fixture block 11 and the second fixture block 14, the first fixture block 11 and the flowmeter body cover 12 are of an integrated structure, and the second fixture block 14 and the flowmeter body 1 are of an integrated structure.
In order to facilitate close fitting, sealing and fixing of the flowmeter body 1 and the flowmeter body cover 12, in this embodiment, it is preferable that the rectangular structure of the flowmeter body cover 12 is the same as the rectangular structure of the flowmeter body 1, and the flowmeter body cover 12 and the flowmeter body 1 are connected in an adsorption and sealing manner by the adsorption magnet 10.
The utility model discloses a theory of operation and use flow: this kind of critical flow nozzle gas flow standard device, when the reading is observed to needs, at first hold the poker rod 3 according to staff's position and stir poker rod 3 and drive link 4 rotation through bearing 5 rotates inside, thereby drive flowmeter main part 1 by link 4 and adjust the direction of observing between the staff with flowmeter main part 1's direction, it is more convenient to make the reading, when the reading finishes, rotate flowmeter main part lid 12 through hinge 13 to flowmeter main part 1's upper surface position until flowmeter main part lid 12 is closed with flowmeter main part 1, through first fixture block 11 and second fixture block 14 block in the closure, adsorb flowmeter main part 1 and flowmeter main part lid 12 through adsorption magnet 10 in the block at last and carry out closely fixed and can protect.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. A critical flow nozzle gas flow calibration device comprising a gas flow conduit (7), characterized in that: the upper surface of the gas circulation pipeline (7) is provided with a support column (8), the top end of the support column (8) is provided with a fixed seat (6), two ends of the fixed seat (6) are respectively provided with a fixed seat support frame (9), the fixed seat support frames (9) are connected with the support column (8) in a screwing mode through bolts, the upper surface of the fixed seat (6) is provided with a connecting frame (4), two sides of the end part of the connecting frame (4) are respectively provided with a poke rod (3), the upper surface of the connecting frame (4) is provided with a flowmeter main body (1), the middle position of the front surface of the flowmeter main body (1) is provided with a display screen (2), the middle position of one end of the upper surface of the flowmeter main body (1) is provided with a groove (15), a second clamping block (14) is arranged inside the groove (15), the other end of the flowmeter main body (, the flowmeter is characterized in that a hinge (13) is arranged at the joint of the flowmeter main body cover (12) and the flowmeter main body (1), adsorption magnets (10) are arranged on the periphery of the upper surface of the flowmeter main body cover (12), and a first clamping block (11) is arranged in the middle of one end of the upper surface of the flowmeter main body cover (12).
2. The critical flow nozzle gas flow calibration apparatus of claim 1, wherein: the fixing seat is characterized in that a limiting groove (16) is formed in the middle of the fixing seat (6), a bearing (5) is arranged inside the limiting groove (16), and a connecting frame (4) is arranged inside the bearing (5).
3. The critical flow nozzle gas flow calibration apparatus of claim 2, wherein: the outer surface of the bearing (5) is fixedly connected with the inner surface of the limiting groove (16) through welding, and the inner surface of the bearing (5) is fixedly connected with the outer surface of the connecting frame (4) through welding.
4. The critical flow nozzle gas flow calibration apparatus of claim 2, wherein: the connecting frame (4) and the fixing seat (6) are fixedly connected with the limiting groove (16) through the bearing (5).
5. The critical flow nozzle gas flow calibration apparatus of claim 1, wherein: the flowmeter main body (1) and the flowmeter main body cover (12) are fixedly connected through the first clamping block (11) and the second clamping block (14) in a clamping mode, the first clamping block (11) and the flowmeter main body cover (12) are of an integrated structure, and the second clamping block (14) and the flowmeter main body (1) are of an integrated structure.
CN201921192474.5U 2019-07-26 2019-07-26 Critical flow nozzle gas flow standard device Expired - Fee Related CN210441938U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921192474.5U CN210441938U (en) 2019-07-26 2019-07-26 Critical flow nozzle gas flow standard device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921192474.5U CN210441938U (en) 2019-07-26 2019-07-26 Critical flow nozzle gas flow standard device

Publications (1)

Publication Number Publication Date
CN210441938U true CN210441938U (en) 2020-05-01

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ID=70406765

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921192474.5U Expired - Fee Related CN210441938U (en) 2019-07-26 2019-07-26 Critical flow nozzle gas flow standard device

Country Status (1)

Country Link
CN (1) CN210441938U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112229564A (en) * 2020-10-10 2021-01-15 天长市志昊机电配件有限公司 Safety pressure gauge joint

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112229564A (en) * 2020-10-10 2021-01-15 天长市志昊机电配件有限公司 Safety pressure gauge joint

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CF01 Termination of patent right due to non-payment of annual fee
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Granted publication date: 20200501