CN213632256U

CN213632256U - Venturi tube

Info

Publication number: CN213632256U
Application number: CN202022921297.9U
Authority: CN
Inventors: 胡立军
Original assignee: Wuxi Zhongzhu Mould Technology Co ltd
Current assignee: Wuxi Zhongzhu Mould Technology Co ltd
Priority date: 2020-12-08
Filing date: 2020-12-08
Publication date: 2021-07-06
Anticipated expiration: 2030-12-08

Abstract

The utility model provides a venturi, including the body with be located the bar throat at body middle part, the equidistance is equipped with a sensor hole on the bar throat, No. two sensor holes and No. three sensor holes, No. two sensor holes are established between a sensor hole and No. three sensor holes, a sensor hole and No. three sensor hole right sides are equipped with a bolt hole and No. four bolt holes respectively, No. two sensor hole right sides are equipped with No. two bolt holes and No. three bolt holes, a bolt hole, No. two bolt holes, No. three bolt holes and No. four bolt holes all establish on the bar throat. The utility model discloses the change condition of mastering the air current that can be more accurate.

Description

Venturi tube

Technical Field

The utility model mainly relates to a battery production field especially relates to a venturi.

Background

The venturi tube is a device for measuring the flow rate flowing through a pipeline by using a differential pressure method, and the measurement of the intake air flow rate of the engine by the venturi tube is not basically influenced by the arrangement of the pipeline. The pressure difference between the inlet and the throat of the venturi tube is measured by a pressure difference sensor, and the flow rate of the venturi tube is calculated by using the pressure difference value, so that the measurement of the internal pressure of the venturi tube is not accurate at present.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned defect of prior art, the utility model provides a venturi, include body 11 and the bar throat 10 that is located the body middle part, equidistant sensor hole 1, No. two sensor holes 2 and No. three sensor holes 3 of being equipped with on bar throat 10, No. two sensor holes 2 establish between a sensor hole 1 and No. three sensor holes 3, a sensor hole 1 and No. three sensor holes 3 right sides are equipped with a bolt hole 4 and No. four bolt holes 7 respectively, and No. two sensor holes 2 right sides are equipped with No. 5 bolt holes and No. 6 bolt holes, a bolt hole 4, No. 5 bolt holes, No. 6 bolt holes and No. 7 bolt holes all establish on bar throat 10.

Preferably, the first sensor hole 1 and the third sensor hole 3 have the same aperture size.

Preferably, the aperture of the first sensor hole 1 and the aperture of the third sensor hole 3 are larger than that of the second sensor hole 2.

Preferably, the first bolt hole 4 and the fourth bolt hole 7 have the same aperture size.

Preferably, the hole diameters of the second bolt hole 5 and the third bolt hole 6 are consistent.

Preferably, the aperture of the first bolt hole 4 and the fourth bolt hole 7 is larger than that of the second bolt hole 5 and the third bolt hole 6.

Preferably, the air inlet 8 and the air outlet 9 are respectively arranged inside the tube body 11 and on the left side and the right side of the strip-shaped throat part 10.

Preferably, both ends all are equipped with internal thread structure about body 11.

Preferably, the first sensor hole 1, the second sensor hole 2 and the third sensor hole 3 are externally connected with sensors.

The utility model has the advantages that: the change condition of the airflow can be mastered more accurately.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a cross-sectional view of the present invention;

in the figure, the position of the upper end of the main shaft,

1. a first sensor hole; 2. a second sensor hole; 3. a sensor hole number three; 4. a first bolt hole; 5. a second bolt hole; 6. a third bolt hole; 7. a fourth bolt hole; 8. an air inlet; 9. an air outlet; 10. a strip-shaped throat; 11. a tube body.

Detailed Description

In order to make the technical solutions of the present invention better understood and make the above features, objects, and advantages of the present invention more comprehensible, the present invention is further described with reference to the following examples. The examples are intended to illustrate the invention only and are not intended to limit the scope of the invention.

As shown in fig. 1-2, the present invention comprises: body 11 and the bar throat 10 that is located the body middle part, equidistant sensor hole 1 that is equipped with on bar throat 10, No. two sensor holes 2 and No. three sensor holes 3, No. two sensor holes 2 are established between sensor hole 1 and No. three sensor holes 3, No. 1 sensor hole and No. 3 right sides in No. three sensor holes are equipped with bolt hole 4 and No. four bolt holes 7 respectively, No. 2 right sides in sensor hole are equipped with No. two bolt holes 5 and No. three bolt holes 6, bolt hole 4, No. two bolt holes 5, No. three bolt holes 6 and No. four bolt holes 7 all establish on bar throat 10.

In this embodiment, the first sensor hole 1 and the third sensor hole 3 preferably have the same pore size.

In this embodiment, the first sensor hole 1 and the third sensor hole 3 are preferably larger in diameter than the second sensor hole 2.

In this embodiment, it is preferable that the first bolt hole 4 and the fourth bolt hole 7 have the same hole diameter.

In this embodiment, it is preferable that the hole diameters of the second bolt hole 5 and the third bolt hole 6 are the same.

In the present embodiment, it is preferable that the hole diameters of the first bolt hole 4 and the fourth bolt hole 7 are larger than the hole diameters of the second bolt hole 5 and the third bolt hole 6.

In this embodiment, the air inlet 8 and the air outlet 9 are preferably provided inside the tube 11 and on the left and right sides of the strip-shaped throat 10.

In this embodiment, the left and right ends of the tube 11 are preferably provided with internal thread structures.

In this embodiment, the first sensor hole 1, the second sensor hole 2 and the third sensor hole 3 are preferably externally connected with sensors.

When the pressure difference sensor is used, the pressure difference between the inlet and the throat part of the Venturi tube is measured, the flow passing through the Venturi tube is calculated by utilizing the pressure difference value, the range and the accuracy of the measured flow are determined by the diameter of the throat part, more sensors are added for measuring, and the change condition of the air flow can be mastered more accurately.

The above-described embodiments are merely illustrative of the principles and utilities of the present patent application and are not intended to limit the present patent application. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of this patent application. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical concepts disclosed in the present application shall be covered by the claims of this patent application.

Claims

1. The utility model provides a venturi, its characterized in that includes body (11) and bar throat (10) that is located the body middle part, equidistant sensor hole (1), No. two sensor holes (2) and No. three sensor holes (3) of being equipped with on bar throat (10), No. two sensor holes (2) are established between sensor hole (1) and No. three sensor holes (3), sensor hole (1) and No. three sensor holes (3) right side are equipped with bolt hole (4) and No. four bolt holes (7) respectively, and No. two sensor holes (2) right side is equipped with No. two bolt holes (5) and No. three bolt holes (6), bolt hole (4), No. two bolt holes (5), No. three bolt holes (6) and No. four bolt holes (7) are all established on bar throat (10).

2. The venturi of claim 1, wherein: the first sensor hole (1) and the third sensor hole (3) are consistent in aperture size.

3. The venturi of claim 1, wherein: the aperture of the first sensor hole (1) and the aperture of the third sensor hole (3) are both larger than that of the second sensor hole (2).

4. The venturi of claim 1, wherein: the first bolt hole (4) and the fourth bolt hole (7) are consistent in aperture size.

5. The venturi of claim 1, wherein: the hole diameter of the second bolt hole (5) is consistent with that of the third bolt hole (6).

6. The venturi of claim 1, wherein: the aperture of the first bolt hole (4) and the fourth bolt hole (7) is larger than the aperture of the second bolt hole (5) and the aperture of the third bolt hole (6).

7. The venturi of claim 1, wherein: an air inlet (8) and an air outlet (9) are respectively arranged inside the tube body (11) and on the left side and the right side of the strip-shaped throat part (10).

8. The venturi of claim 1, wherein: both ends all are equipped with internal thread structure about body (11).

9. The venturi of claim 1, wherein: the first sensor hole (1), the second sensor hole (2) and the third sensor hole (3) are all externally connected with sensors.