Integrated nozzle type flowmeter structure
The integrated nozzle flow meter structure solves the problems of time-consuming and laborious disassembly and poor interchangeability of traditional flow meters, enabling rapid disassembly and assembly and accurate flow detection. It is suitable for replacement of different nozzle models and convenient maintenance.
Patent Information
- Application Number
- CN202520229152.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-13
- Publication Date
- 2026-02-24
- Estimated Expiration
- 2035-02-13
AI Technical Summary
Traditional flow meters are time-consuming and labor-intensive to disassemble, maintain and repair, and are not interchangeable, with a small measurement range.
An integrated nozzle flow meter structure was designed, which adopts a ring-type plug-in flow meter embedded in the nozzle and main pipeline. Signal transmission is achieved through a guide mounting base and a hub plate. The detection rod is separated from the flow meter, which facilitates disassembly, assembly and transportation.
It enables quick assembly and disassembly of the flow meter, facilitates the replacement of different nozzle models, improves maintenance and repair efficiency, prevents damage to the detection rod, and ensures the accuracy and real-time performance of flow detection.
Smart Images

Figure CN223940338U_ABST
Abstract
Description
Technical Field
[0001] This article belongs to the technical field of nozzle flow meters, specifically relating to an integrated nozzle flow meter structure. Background Technology
[0002] The English name for a flow meter is flowmeter. The National Committee for Terminology in Science and Technology defines it as: an instrument that indicates the measured flow rate and / or the total amount of fluid within a selected time interval. Simply put, it is an instrument used to measure the flow rate of fluid in pipes or open channels.
[0003] The working principle of a nozzle flow meter is as follows: when fluid flows through a nozzle in a pipe, the flow velocity will locally contract at the nozzle, thus increasing the flow velocity and decreasing the static pressure, resulting in a pressure difference before and after the throttling device. The larger the fluid flow rate, the larger the pressure difference, and the flow rate can be measured based on the pressure difference.
[0004] Traditional flow meters, after their expiration date, require complete disassembly and delivery to a testing facility, which is time-consuming, labor-intensive, disrupts production, and is cumbersome to maintain. Furthermore, they cannot be arbitrarily interchanged within the same diameter pipe, resulting in poor interchangeability and a narrow measurement range. Utility Model Content
[0005] To address the aforementioned issues, this paper proposes an integrated nozzle-type flow meter structure. The nozzle-type flow meter has a main pipe on its outer side, and a nozzle is integrally integrated on the inner side of the main pipe. An annular flow meter is located on the outer side of the main pipe. The outer side of the nozzle's large-diameter orifice is integrally connected to the interior of the main pipe. Detection rods are horizontally inserted into the end faces of both the nozzle's inlet and outlet. These detection rods extend vertically to the nozzle's end via detection connectors. The interior of the detection connectors is connected to a hub plate along the nozzle's interior via wires. The hub plate is embedded inside the nozzle's large-diameter orifice and is connected to the annular flow meter via wires and a guide connector. The annular flow meter is connected to the main pipe via a guide mounting base. The mounting base is a ring-shaped, single-end vertical plate type. The inner side of the mounting base is integrated with the main pipeline via a column. One end of the vertical plate of the mounting base is provided with several guide interfaces. The inside of the guide interfaces is connected to the hub plate via wires. The guide interfaces are plug-in connected to the end face socket of the ring flow meter. By improving the flow meter, which was originally independently located outside the nozzle, into a ring plug-in design, it not only enables the flow meter to be quickly disassembled and installed for easy replacement of various nozzle models, but also facilitates the disassembly and testing of the flow meter during subsequent maintenance and repair. Furthermore, the design separates the testing rod from the flow meter, which facilitates the transportation of the flow meter after disassembly and prevents damage to the testing rod during transportation and disassembly.
[0006] The main pipe is a straight-through circular pipe with flange interfaces at both ends. A nozzle is installed parallel to the main pipe on the inner side, and a guide mounting seat is integrally installed on the outer side of the main pipe via a support. By integrally installing the nozzle on the inner side of the main pipe, the nozzle and the inner wall of the main pipe are integrated together. The guide mounting seat is also integrally installed on the outer side of the main pipe, thereby achieving the purpose of embedding wires and hubs, which facilitates the transmission of information between the detection rod and the flow meter.
[0007] The nozzle is a hollow, flared nozzle with a larger diameter at one end and a smaller diameter at the other. Both ends of the nozzle have flared mounting edges that are parallel to each other longitudinally. The surfaces of the mounting edges are equidistantly arranged with several detection interfaces. The inner ends of each detection interface have wires embedded within the nozzle body. The detection rods are all L-shaped round rods, including an inlet detection rod and an outlet detection rod. The inlet detection rod is recessed at the nozzle inlet end, and the outlet detection rod is flared at the nozzle outlet end. By providing mounting edges at both ends of the nozzle for easy installation, detection interfaces for insertion can be provided, enabling the insertion and installation of the detection rods. This ensures sufficient space for the detection rods to be guided and connected. Furthermore, the different types of inlet and outlet detection rods ensure sufficiently accurate flow detection.
[0008] The guide mounting base is shaped like an annular end socket. It is fixed to the outer side of the main pipeline via a column. One end of the guide mounting base has a vertical mounting plate. The inner surface of the mounting plate has several guide interfaces arranged equidistantly in an annular pattern. These guide interfaces are circular plug-in interfaces, with their outer dimensions matching the end face socket dimensions of the annular flowmeter. A guide post is located at the center of the inner side of each guide interface. Cables pass through the mounting plate, the guide mounting base, and the column to connect to a hub plate. The annular flowmeter is a cylindrical flowmeter with its center plugged into the guide mounting base. The end of the annular flowmeter is connected to the guide interface for signal transmission via an end face socket. The guide mounting base enables integrated installation of the annular flowmeter. The plug-in design of the guide interfaces ensures signal reception and transmission, enabling real-time flow reception and facilitating the disassembly and installation of the annular flowmeter.
[0009] The hub board is a signal receiving adapter board. The receiving end of the hub board is connected to the detection interface through a wire, and the output end of the hub board is connected to the guide interface through a wire. Through the design of the hub board, the signals of the embedded wires are uniformly received and transmitted, enabling the ring flow meter to achieve efficient direct flow reception without the need for a direct connection between the flow meter and the detection rod, which facilitates the disassembly, assembly and testing of the flow meter.
[0010] Beneficial effects:
[0011] By improving the flow meter, which was originally set independently on the outside of the nozzle, to a ring-type plug-in design, it is possible to quickly disassemble and install the flow meter to facilitate the replacement of various nozzle models. At the same time, it is also convenient to disassemble and test the flow meter during subsequent maintenance and repair. Furthermore, the design of separating the test rod from the flow meter facilitates the transportation of the flow meter after disassembly and prevents damage to the test rod during transportation and disassembly.
[0012] By integrating the nozzle into the inner side of the main pipe, the nozzle and the inner wall of the main pipe are fused together. The guide mounting base is also integrated into the outer side of the main pipe, thereby achieving the purpose of embedding the wire and hub, which facilitates the transmission of information between the detection rod and the flow meter.
[0013] By providing mounting edges at both ends of the nozzle for easy installation, a detection insertion interface can be provided, enabling the insertion and installation of the detection rod. This ensures that the detection rod has sufficient space for guiding and connecting, and also ensures fully accurate flow detection through different types of inlet and outlet detection rods.
[0014] The ring flow meter is integrated by means of a guide mounting base, and the plug-in design of the guide interface ensures the signal reception and transmission of the ring flow meter, enabling real-time flow reception, and also facilitates the disassembly and installation of the ring flow meter.
[0015] By using a hub design, the signals from the embedded wires are uniformly received and transmitted, enabling the ring flow meter to achieve efficient direct flow reception without the need for a direct connection between the flow meter and the detection rod, thus facilitating the disassembly, assembly, and testing of the flow meter. Attached Figure Description
[0016] Figure 1 This is a schematic diagram of the inlet end of an integrated nozzle-type flow meter structure.
[0017] Figure 2 This is a schematic diagram of the outlet end of an integrated nozzle-type flow meter structure.
[0018] Figure 3 This is a cross-sectional schematic diagram of an integrated nozzle-type flow meter structure;
[0019] In the diagram: 1. Main pipe, 2. Nozzle, 3. Guide mounting base, 4. Circular flow meter, 5. Guide interface, 6. Hub plate, 7. Inlet detection rod, 8. Outlet detection rod, 9. Detection connector. Detailed Implementation
[0020] To enhance understanding of this utility model, the present utility model will be further described in detail below with reference to the embodiments and accompanying drawings. These embodiments are only used to explain the present utility model and do not constitute a limitation on the scope of protection of the present utility model.
[0021] 1. Main pipe, 2. Nozzle, 3. Guide mounting base, 4. Circular flow meter, 5. Guide interface, 6. Hub plate, 7. Inlet detection rod, 8. Outlet detection rod, 9. Detection plug interface.
[0022] like Figure 1 , 2 As shown in Figure 3;
[0023] An integrated nozzle-2 type flow meter structure is disclosed. A main pipe 1 is located on the outer side of the nozzle-2 type flow meter, and a nozzle 2 is integrally integrated on the inner side of the main pipe 1. An annular flow meter 4 is located on the outer side of the main pipe 1. The outer side of the large-diameter orifice of the nozzle 2 is integrally connected to the interior of the main pipe 1. Detection rods are horizontally inserted at both ends of the nozzle 2's inlet and outlet. These detection rods are vertically connected to the ends of the nozzle 2 via detection connectors 9. The interior of the detection connectors 9 is connected to a hub plate 6 along the interior of the nozzle 2 via wires. The hub plate 6 is embedded inside the large-diameter orifice of the nozzle 2 and is connected to the annular flow meter 4 via wires and guide interfaces 5. The annular flow meter 4 is connected via guide interfaces... Mounting base 3 is connected to main pipe 1. The mounting base 3 is an annular single-end vertical plate type. The inner side of the mounting base 3 is integrally connected to main pipe 1 via a column. One end of the vertical plate of the mounting base 3 is provided with several guide interfaces 5. The inside of the guide interfaces 5 is connected to the hub plate 6 via wires. The guide interfaces 5 are plug-in connected to the end face socket of the annular flow meter 4. The main pipe 1 is a straight circular pipe. Both ends of the main pipe 1 are provided with flange interfaces. The inner side of the main pipe guide is provided with nozzle 2 parallel to the main pipe 1. The outer side of the main pipe 1 is integrally provided with the mounting base 3 via a support. The nozzle 2 is a horn-shaped hollow nozzle 2 with a large diameter at one end and a small diameter at the other end. Both ends of the nozzle 2 are provided with... The nozzle 2 has an outwardly expanding assembly edge, which is horizontally parallel to each other longitudinally. The surface of the assembly edge has several equidistant, annular detection interfaces 9. Each detection interface 9 has a wire embedded in its inner end, which is internally located within the nozzle 2 body. The guide mounting base 3 is annularly shaped with an external socket. The guide mounting base 3 is fixed annularly to the outer side of the middle of the main pipe 1 via a column. One end of the guide mounting base 3 has a vertically mounted plate. The inner surface of the mounting plate has several equidistant, annular guide interfaces 5. The guide interfaces 5 are circular, and their outer dimensions are the same as the end face insertion dimensions of the annular flowmeter 4. A guide post is located at the center of the inner side of each guide interface 5. The guide post inside the nozzle 5 is connected to the hub plate 6 via a cable passing through the mounting plate, the guide mounting base 3, and the interior of the column. The annular flow meter 4 is a cylindrical flow meter. The center of the annular flow meter 4 is fixedly connected to the guide mounting base 3 via a plug-in connection. The end of the annular flow meter 4 is connected to the guide interface 5 for signal transmission via an end face plug. The hub plate 6 is a signal receiving adapter plate. The receiving end of the hub plate 6 is connected to the detection plug interface 9 via a wire. The output end of the hub plate 6 is connected to the guide interface 5 via a wire. The detection rods are all L-shaped round rods. The detection rods include an inlet detection rod 7 and an outlet detection rod 8. The inlet detection rod 7 is recessed and located at the inlet end of the nozzle 2. The outlet detection rod 8 is extended and located at the outlet end of the nozzle 2.
[0024] Implementation example;
[0025] During installation, first install the inlet detection rod 7 and the outlet detection rod 8 into the detection interface 9 at the end of the nozzle 2, and then install the annular flow meter 4 into the guide mounting base 3 in a plug-in manner, so that the annular flow meter 4 and the guide mounting base 3 are connected through the plug interface. At this time, the annular flow meter 4 and the detection rod transmit flow data through the guide and hub plate 6 embedded in the nozzle 2, the main pipe 1 and the guide mounting base 3, thereby realizing the detection of the annular flow meter 4.
[0026] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. An integrated nozzle-type flow meter structure, wherein a main pipe is provided on the outer side of the nozzle-type flow meter, a nozzle is integrally integrated on the inner side of the main pipe, and an annular flow meter is provided on the outer side of the main pipe, characterized in that, The nozzle's large-diameter orifice is integrally connected to the interior of the main pipeline. Both the inlet and outlet ends of the nozzle are horizontally plugged in with detection rods. These detection rods extend vertically to the nozzle end via detection connectors. The interior of each detection connector is connected to a hub plate via wires along the nozzle's interior. The hub plate is embedded within the nozzle's large-diameter orifice and is connected to a ring flow meter via wires and guide interfaces. The ring flow meter is connected to the main pipeline via a guide mounting base. The guide mounting base is a ring-shaped, single-end vertical plate. Its inner side is integrally connected to the main pipeline via a column. One end of the vertical plate of the guide mounting base has several guide interfaces. The interior of each guide interface is connected to the hub plate via wires, and the guide interfaces are plugged into the end face connector of the ring flow meter.
2. The integrated nozzle-type flow meter structure according to claim 1, characterized in that, The main pipe is a straight circular pipe with flange interfaces at both ends. A nozzle is provided on the inner side of the main pipe parallel to the main pipe, and a guide mounting seat is integrally provided on the outer side of the main pipe through a support column.
3. The integrated nozzle-type flow meter structure according to claim 1, characterized in that, The nozzle is a hollow, flared nozzle with a large diameter at one end and a small diameter at the other. Both ends of the nozzle have an outwardly flared mounting edge, which is parallel to each other in the longitudinal direction. The surface of the mounting edge has several detection interfaces arranged in annularly at equal intervals. The inner end of each detection interface is provided with a wire, which is embedded inside the nozzle body.
4. The integrated nozzle-type flow meter structure according to claim 1, characterized in that, The guide mounting base is shaped as an annular end socket. The guide mounting base is fixed in an annular manner on the outer side of the middle of the main pipe through a column. One end of the guide mounting base has a vertical mounting plate on its outer side. The inner surface of the mounting plate is provided with several guide interfaces in an annular pattern at equal intervals.
5. The integrated nozzle-type flow meter structure according to claim 1, characterized in that, The guide interface is a circular plug-in interface. The outer shape and size of the guide interface are the same as the end face plug size of the annular flow meter. A guide post is provided at the center of the inner side of the guide interface. The guide post on the inner side of the guide interface is connected to the hub plate through the mounting plate, the guide mounting base and the interior of the post via a cable.
6. The integrated nozzle-type flow meter structure according to claim 1, characterized in that, The annular flow meter is a cylindrical flow meter with its center inner side plugged into and fixedly connected to the guide mounting base. The end of the annular flow meter is connected to the guide interface for signal transmission through the end face socket.
7. The integrated nozzle-type flow meter structure according to claim 1, characterized in that, The hub board is a signal receiving adapter board. The receiving end of the hub board is connected to the detection interface through a wire, and the output end of the hub board is connected to the conductor interface through a wire.
8. The integrated nozzle-type flow meter structure according to claim 1, characterized in that, The detection rods are all L-shaped round rods, including an inlet detection rod and an outlet detection rod. The inlet detection rod is recessed and located at the inlet end of the nozzle, while the outlet detection rod is extended and located at the outlet end of the nozzle.