CN112378466A - Venturi tube - Google Patents

Venturi tube Download PDF

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Publication number
CN112378466A
CN112378466A CN202011305924.4A CN202011305924A CN112378466A CN 112378466 A CN112378466 A CN 112378466A CN 202011305924 A CN202011305924 A CN 202011305924A CN 112378466 A CN112378466 A CN 112378466A
Authority
CN
China
Prior art keywords
fixed plate
ring
venturi
ring room
setting
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.)
Pending
Application number
CN202011305924.4A
Other languages
Chinese (zh)
Inventor
包建忠
顾达标
王正阳
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.)
Wuxi Xizhou Machinery Co ltd
Original Assignee
Wuxi Xizhou Machinery 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 Wuxi Xizhou Machinery Co ltd filed Critical Wuxi Xizhou Machinery Co ltd
Priority to CN202011305924.4A priority Critical patent/CN112378466A/en
Publication of CN112378466A publication Critical patent/CN112378466A/en
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/05Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects
    • G01F1/34Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure
    • G01F1/36Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure the pressure or differential pressure being created by the use of flow constriction
    • G01F1/40Details of construction of the flow constriction devices
    • G01F1/44Venturi tubes

Abstract

The invention relates to the technical field of heating system equipment, in particular to a Venturi tube, which aims to solve the problem of inconvenient fixation in the prior art and has the technical key points that: including the body and be located this external ring room, the ring room cover is established the body periphery, be provided with on the body and get the pressure pipe, be provided with the fixed plate on the ring outdoor wall, the fixed plate is used for making things convenient for the installation of ring room, the fixed plate with ring room integrated into one piece sets up, the fixed plate with the tangent setting of ring outdoor wall. Through the setting of fixed plate, made things convenient for and wholly fixed venturi, and through being located through hole on the fixed plate has made things convenient for the position of fixed plate to fix, through the setting of fixed plate, has reduced the fixing device on ring room surface, has guaranteed venturi's stable installation.

Description

Venturi tube
Technical Field
The invention relates to the technical field of heating system equipment, in particular to a venturi tube.
Background
A venturi is a conduit that first constricts and then gradually enlarges. The device can accurately measure the flow of various gases with low pressure, large pipe diameter and low flow speed in the existing industrial enterprises. The fluid measuring device has wide measuring range and is convenient to install.
Among the prior art, to venturi's fixed, establish the annular mount in the venturi periphery through the ring usually and fix venturi, it is inconvenient to fix, and the fixed process is more loaded down with trivial details.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to overcome the defect of inconvenient fixation of the venturi tube in the prior art, thereby providing the venturi tube.
The technical purpose of the invention is realized by the following technical scheme:
the utility model provides a venturi, includes the body and is located this external ring room, the ring room cover is established the body periphery, be provided with on the body and get the pressure pipe, be provided with the fixed plate on the ring outdoor wall, the fixed plate is used for the convenience the installation of ring room, the fixed plate with ring room integrated into one piece sets up, the fixed plate with the tangent setting of ring outdoor wall.
Preferably, the body is provided with a pressure pipe, the pressure pipe is arranged in a bent mode, the bent portion is located on the periphery of the annular chamber, and the length direction of the fixing plate is consistent with the axis direction of the bent portion of the pressure pipe.
Preferably, the fixed plate is provided with reinforcing ribs, the reinforcing ribs are arranged in a triangular shape approximately, the side edges of two sides of each reinforcing rib are attached to the fixed plate and the outer wall of the annular chamber, and the reinforcing ribs are perpendicular to the fixed plate.
Preferably, the reinforcing rib is obliquely arranged on the side surface of one side, which deviates from the fixed plate, and the oblique direction deviates from the fixed plate and the annular chamber.
Above-mentioned venturi, through the setting of fixed plate, made things convenient for and wholly fixed venturi, and through being located through hole on the fixed plate has made things convenient for the position of fixed plate to fix, through the setting of fixed plate, reduced the fixing device on ring chamber surface, guaranteed venturi's stable installation.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic structural view of a venturi according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view of a venturi according to one embodiment of the present invention.
Description of reference numerals:
1. a body; 11. a pressure sampling pipe; 12. a tapered section; 13. a throat; 14. a diffuser section; 2. a ring chamber; 22. a fixing plate; 221. reinforcing ribs; 222. a through hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The utility model provides a venturi, includes body 1 and is located 1 outer ring room 2 of body, 2 covers of ring room are established 1 periphery of body, in an embodiment, ring room 2 with 1 integrated into one piece setting of body, be provided with on the body 1 and get and press pipe 11, it passes to get and press pipe 11 ring room 2 sets up, in an embodiment, it buckles and sets up to get to press pipe 11 to buckle the part and be located 2 peripheries of ring room, get to press pipe 11 buckle partial outer wall with the tangent setting of 2 outer walls of ring room. In other embodiments, a wing plate may be further disposed between the ring chamber 2 and the body 1, and the wing plate is used to connect an inner wall of the ring chamber 2 and an outer periphery of the body 1.
Referring to fig. 1, in an embodiment, the ring chamber 2 is disposed in a cylindrical shape, a fixing plate 22 is disposed on an outer wall of the ring chamber 2, the fixing plate 22 is used to facilitate installation of the ring chamber 2, in an embodiment, the fixing plate 22 is integrally formed with the ring chamber 2, and specifically, the fixing plate 22 and the ring chamber 2 are integrally formed by casting. The fixing plate 22 is arranged tangentially to the outer wall of the annular chamber 2, and in one embodiment, the length direction of the fixing plate 22 is consistent with the axial direction of the bent portion of the pressure sampling pipe 11. In one embodiment, the fixing plate 22 is provided with a through hole 222, and the fixing plate 22 is fixed by a bolt screwed through the through hole 222.
In order to ensure the stable connection between the fixing plate 22 and the ring chamber 2, in an embodiment, the fixing plate 22 is provided with a reinforcing rib 221, the reinforcing rib 221 is disposed in a substantially triangular shape, the reinforcing rib 221 is perpendicular to the fixing plate 22 and is attached to the fixing plate 22, the reinforcing rib 221 is inclined away from one side of the fixing plate 22, and the inclined direction is inclined away from the fixing plate 22 and the ring chamber 2. In one embodiment, the ribs 221 are integrally formed with the fixing plate 22 and the ring chamber 2, and specifically, the fixing plate 22, the ribs 221 and the ring chamber 2 are integrally formed by casting.
In an embodiment, the body 1 includes a tapered section 12, a throat 13 and a diverging section 14, the pressure tapping pipe 11 is located outside the throat 13, and the pressure tapping pipe 11 is disposed in communication with the throat 13. The tapered section 12 and the diffusion section 14 are both in a truncated cone shape, the smaller end of the upper area of the tapered section 12 and the diffusion section 14 is arranged towards the throat 13, and the tapered section 12, the throat 13 and the diffusion section 14 are communicated.
The utility model provides a venturi, its setting through fixed plate 22 has made things convenient for and has wholly fixed venturi to through being located through hole 222 on the fixed plate 22 has made things convenient for the position to fixed plate 22 to fix, through the setting of fixed plate 22, has reduced the fixing device on ring room 2 surface, has guaranteed venturi's stable installation.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.

Claims (4)

1. A venturi, characterized by: including body (1) and being located body (1) outer ring room (2), ring room (2) cover is established body (1) periphery, be provided with on body (1) and get and press pipe (11), be provided with fixed plate (22) on ring room (2) outer wall, fixed plate (22) are used for the convenience the installation of ring room (2), fixed plate (22) with ring room (2) integrated into one piece sets up, fixed plate (22) with the tangent setting of ring room (2) outer wall.
2. The venturi of claim 1, wherein: the pressure pipe (11) is arranged on the body (1), the pressure pipe (11) is arranged in a bending mode, the bending portion is located on the periphery of the annular chamber (2), and the length direction of the fixing plate (22) is consistent with the axis direction of the bending portion on the pressure pipe (11).
3. The venturi of claim 2, wherein: be provided with strengthening rib (221) on fixed plate (22), strengthening rib (221) are triangle-shaped setting approximately, strengthening rib (221) wherein both sides side with fixed plate (22) reach the setting of laminating each other of ring chamber (2) outer wall, strengthening rib (221) perpendicular to fixed plate (22) set up.
4. The venturi of claim 3, wherein: the reinforcing ribs (221) are obliquely arranged on the side face of one side, deviating from the fixing plate (22), and the oblique direction deviates from the fixing plate (22) and the annular chamber (2).
CN202011305924.4A 2020-11-20 2020-11-20 Venturi tube Pending CN112378466A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011305924.4A CN112378466A (en) 2020-11-20 2020-11-20 Venturi tube

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011305924.4A CN112378466A (en) 2020-11-20 2020-11-20 Venturi tube

Publications (1)

Publication Number Publication Date
CN112378466A true CN112378466A (en) 2021-02-19

Family

ID=74585279

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011305924.4A Pending CN112378466A (en) 2020-11-20 2020-11-20 Venturi tube

Country Status (1)

Country Link
CN (1) CN112378466A (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5880378A (en) * 1996-08-19 1999-03-09 Southwest Research Institute Critical flow venturi with variable and continuous range
CN201622085U (en) * 2010-01-29 2010-11-03 陕西仪新测控仪表有限公司 Novel built-in double Venturi tube assembly
CN202869560U (en) * 2012-10-27 2013-04-10 江阴市神州测控设备有限公司 Integrated venturi nozzle
CN107676981A (en) * 2017-08-31 2018-02-09 芜湖鸣人热能设备有限公司 Water heater venturi mixer
CN209432248U (en) * 2019-03-14 2019-09-24 南京英格玛仪器技术有限公司 A kind of plumbing installation for air quantity verification

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5880378A (en) * 1996-08-19 1999-03-09 Southwest Research Institute Critical flow venturi with variable and continuous range
CN201622085U (en) * 2010-01-29 2010-11-03 陕西仪新测控仪表有限公司 Novel built-in double Venturi tube assembly
CN202869560U (en) * 2012-10-27 2013-04-10 江阴市神州测控设备有限公司 Integrated venturi nozzle
CN107676981A (en) * 2017-08-31 2018-02-09 芜湖鸣人热能设备有限公司 Water heater venturi mixer
CN209432248U (en) * 2019-03-14 2019-09-24 南京英格玛仪器技术有限公司 A kind of plumbing installation for air quantity verification

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