Continuous flow high-pressure infusion metering device

Abstract

The utility model discloses a continuous flow high-pressure infusion metering device, relates to the technical field of high-pressure water injection meters, and aims to solve the technical problems that an impeller adopted by a mechanical flowmeter in the prior art is corroded or adhered with sticky materials after being used for a long time, the impeller cannot be detached after being damaged, and the service life of the impeller is influenced. And when the metering is inaccurate, only the whole meter can be replaced, so that the use cost is high. A first fluid director and a second fluid director are respectively arranged in the metering tube, a rotary drum is rotatably connected between the first fluid director and the second fluid director, a plurality of blades are arranged on the outer side of the rotary drum, a fastening seat is mounted at one end of the metering tube, the fastening seat is in threaded connection with the metering tube, and the fastening seat is in threaded connection with the metering tube. The fastening seat is tightly attached to the first fluid director, three supporting rods are arranged between the first fluid director and the second fluid director, a pickup unit is arranged on the metering tube, and a pickup head is installed below the pickup unit.

Description

Technical Field

[0001] This utility model relates to the field of high-pressure water injection metering technology, specifically a continuous flow high-pressure liquid delivery metering device. Background Technology

[0002] Meters used for continuous flow high-pressure infusion generally employ mechanical flow meters, which are more stable and reliable, have strong resistance to electromagnetic interference, and provide more accurate measurement. However, mechanical flow meters can also experience impeller corrosion or viscous material buildup after prolonged use. Damaged impellers cannot be disassembled, and when measurement is inaccurate, the entire meter must be replaced, resulting in high operating costs. Therefore, there is an urgent market need to develop a continuous flow high-pressure infusion metering device to help solve these existing problems. Utility Model Content

[0003] The purpose of this invention is to provide a continuous flow high-pressure liquid metering device to solve the problems mentioned in the background art, such as the corrosion or adhesion of viscous substances to the impeller of mechanical flow meters after long-term use, the inability to disassemble the damaged impeller, and the high cost of replacing the entire meter when the metering is inaccurate.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a continuous flow high-pressure infusion metering device, comprising a metering tube, wherein a first flow guide and a second flow guide are respectively disposed inside the metering tube, a rotating drum is rotatably connected between the first flow guide and the second flow guide, and blades are disposed on the outer side of the rotating drum, wherein a plurality of blades are disposed, a fastening seat is installed at one end of the metering tube, the fastening seat is threadedly connected to the metering tube, and the fastening seat is tightly fitted to the first flow guide.

[0005] The impeller of the meter, as described above, consists of a drum and blades. Multiple blades are located on the outer side of the drum and are integrated with it. During installation, a separate and detachable installation method is adopted. First, the second guide is installed into the metering tube, then the drum is inserted into the center of the second guide, and then the first guide is installed. The drum is then clamped between the two, and finally, the fastening seat is used for limiting and fixing, thereby realizing the installation of the drum and blades. When disassembly is required, only the fastening seat needs to be removed, thus realizing the replacement of the drum and blades. It is convenient to use and does not require the replacement of the entire meter, thereby reducing the cost of use.

[0006] In a preferred embodiment, the present invention can be further configured such that: a support rod is provided between the first flow guide and the second flow guide, and three support rods are provided.

[0007] The above technical solution uses three support rods to limit the position between the first and second flow guides.

[0008] In a preferred embodiment, the present invention can be further configured such that: a limiting seat is provided at one end of the metering tube, a limiting groove is provided in the limiting seat, and the second flow guide is locked inside the limiting groove.

[0009] The above technical solution allows the second guide vane to be fixed in place by using a limiting groove.

[0010] In a preferred embodiment, the present invention can be further configured such that a disassembly connection groove is provided on the front end surface of the fastening seat.

[0011] The above technical solution utilizes a customized disassembly tool inserted into the two disassembly connection slots to rotate the fastening seat, thereby enabling the disassembly and installation of the fastening seat.

[0012] In a preferred embodiment, the present invention can be further configured such that: a pickup unit is provided on the metering tube, and a pickup head is installed below the pickup unit.

[0013] In a preferred embodiment, the present invention can be further configured such that: a threaded head is provided on the outer side of the pickup head, and a nut is provided above the threaded head.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] The impeller of this utility model meter consists of a drum and blades. Multiple blades are located on the outer side of the drum and are an integral structure with the drum. During installation, a separate and detachable installation method is adopted. First, the second guide is installed into the metering tube, then the drum is inserted into the center position of the second guide, and then the first guide is installed. The drum is clamped between the two, and finally, the fastening seat is used for limiting and fixing, thereby realizing the installation of the drum and blades. When disassembly is required, only the fastening seat needs to be removed, thereby realizing the replacement of the drum and blades. It is convenient to use and does not require the replacement of the entire meter, thus reducing the cost of use. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the internal structure of a continuous flow high-pressure infusion metering device according to the present invention;

[0017] Figure 2 This is an overall schematic diagram of the first and second flow guides of this utility model;

[0018] Figure 3 This is a front view of the fastening base of this utility model;

[0019] Figure 4 This is a schematic diagram of the limiting seat of this utility model.

[0020] In the diagram: 1. Metering tube; 2. Pick-up unit; 3. Threaded head; 4. Pick-up head; 5. Nut; 6. Fastening seat; 7. First guide tube; 8. Drum; 9. Blade; 10. Second guide tube; 11. Support rod; 12. Limiting seat; 13. Disassembly connection groove; 14. Limiting groove. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0022] In the description of this application, it should be noted that the terms "upper," "lower," "inner," "outer," "top / bottom," etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0023] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installed," "equipped with," "sleeved / connected," "connected," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0024] Please see Figure 1 An embodiment of this utility model provides a continuous flow high-pressure infusion metering device, including a metering tube 1, a first flow guide 7 and a second flow guide 10 respectively disposed inside the metering tube 1, a rotating drum 8 rotatably connected between the first flow guide 7 and the second flow guide 10, blades 9 disposed on the outer side of the rotating drum 8, and a plurality of blades 9 disposed thereon, a fastening seat 6 installed at one end of the metering tube 1, the fastening seat 6 being threadedly connected to the metering tube 1, and the fastening seat 6 being tightly fitted to the first flow guide 7.

[0025] Please see Figure 2 A support rod 11 is provided between the first flow guide 7 and the second flow guide 10, and there are three support rods 11.

[0026] Please see Figure 1 and Figure 4One end of the metering tube 1 is provided with a limiting seat 12, and a limiting groove 14 is provided inside the limiting seat 12. The second flow guide 10 is locked inside the limiting groove 14. There are three limiting seats 12.

[0027] Please see Figure 3 The front end face of the fastening seat 6 is provided with a disassembly connection groove 13, and there are two disassembly connection grooves 13.

[0028] Please see Figure 1 A pickup unit 2 is provided on the metering tube 1, and a pickup head 4 is installed below the pickup unit 2.

[0029] Please see Figure 1 A threaded head 3 is provided on the outer side of the pickup head 4, and a nut 5 is provided above the threaded head 3. The pickup head 4, the threaded head 3 and the nut 5 are integrated into one structure.

[0030] Working principle: When in use, the metering tube 1 is installed in the pipeline. The flow of liquid comes into contact with the blades 9, which drives the drum 8 to rotate. Each blade 9 is collected when it passes under the pickup head 4, thereby calculating the rotation speed of the blades 9 and realizing the measurement of liquid velocity and flow rate. When it is necessary to replace the drum 8 and blades 9, the fastening seat 6 is removed, then the first flow guide 7 is taken out, then the drum 8 is taken out, and then a new drum 8 and blades 9 are replaced. Therefore, it is not necessary to replace the entire metering device, reducing material waste.

[0031] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A continuous flow high-pressure infusion metering device, comprising a metering tube (1), characterized in that: The metering tube (1) is provided with a first flow guide (7) and a second flow guide (10) respectively. A drum (8) is rotatably connected between the first flow guide (7) and the second flow guide (10). A blade (9) is provided on the outside of the drum (8). A plurality of blades (9) are provided. A fastening seat (6) is installed at one end of the metering tube (1). The fastening seat (6) is threadedly connected to the metering tube (1). The fastening seat (6) is tightly fitted to the first flow guide (7). A support rod (11) is provided between the first flow guide (7) and the second flow guide (10), and three support rods (11) are provided; One end of the metering tube (1) is provided with a limiting seat (12), and a limiting groove (14) is provided inside the limiting seat (12). The second flow guide (10) is stuck inside the limiting groove (14). The fastening seat (6) has a disassembly connection groove (13) on its front end surface.

2. The continuous flow high-pressure infusion metering device according to claim 1, characterized in that: The metering tube (1) is provided with a pickup unit (2), and a pickup head (4) is installed below the pickup unit (2).

3. The continuous flow high-pressure infusion metering device according to claim 2, characterized in that: A threaded head (3) is provided on the outside of the pickup head (4), and a nut (5) is provided above the threaded head (3).

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