Flowmeter calibrating device

Abstract

The utility model discloses a flowmeter calibrating device in the technical field of flowmeters, which comprises a base, a liquid inlet pipe, a liquid outlet pipe and a connecting mechanism, the connecting mechanism is connected to the base, the liquid inlet pipe and the liquid outlet pipe are connected to the connecting mechanism, the connecting mechanism comprises a fixed seat and a movable seat, the fixed seat is fixedly connected to the upper end of the base, and the movable seat is fixedly connected to the lower end of the base. The liquid outlet pipe is connected to the fixed seat, the movable seat is connected to the upper end of the base in a sliding mode, and the liquid inlet pipe is connected to the movable seat. The device has the advantages that the output end of the motor drives the moving seat to move so as to drive the liquid inlet pipe to move, clamping connection of the two ends of the flowmeter is achieved through the sealing assemblies on the liquid inlet pipe and the liquid outlet pipe, the connecting mode is simple and convenient, and the verification efficiency of the flowmeter can be effectively improved; the two ends of the flow meter are clamped and connected through the sealing assembly, the sealing performance of the flow meter can be effectively guaranteed, and the verification accuracy of the flow meter is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of flow meters, in particular to a flow meter calibration device. Background Art

[0002] Flowmeter is an instrument that indicates the measured flow rate and / or the total amount of fluid in a selected time interval. In simple terms, it is an instrument used to measure the flow rate of fluid in a pipeline or open channel. With the development of industry, the accuracy and range of flow measurement are increasingly required. In order to adapt to a variety of uses, various types of flow meters have been introduced and widely used in industries such as oil and gas, petrochemicals, water treatment, food and beverage, pharmaceuticals, energy, metallurgy, pulp and paper, and building materials.

[0003] In the prior art, when a flow meter is used to measure the flow rate of a fluid in a pipeline or an open channel, its accuracy is extremely important. Therefore, before the flow meter is put into use, the flow meter needs to be calibrated. When the existing device calibrates the flow meter, it is necessary to connect the infusion tube and the outlet tube at both ends of the flow meter with bolts, which is relatively complicated and affects the detection efficiency. In addition, the sealing effect is not good and the fixing effect is unstable, which affects the accuracy of the flow meter calibration result. Utility Model Content

[0004] The technical problem to be solved by the utility model is that the existing device has poor sealing effect and unstable fixing effect when calibrating the flow meter, which affects the accuracy of the flow meter calibration result.

[0005] In order to achieve the above purpose, the technical solution provided by the utility model is:

[0006] A flow meter calibration device includes a base, and also includes a liquid inlet pipe, a liquid outlet pipe and a connecting mechanism, wherein the connecting mechanism is connected to the base, and the liquid inlet pipe and the liquid outlet pipe are connected to the connecting mechanism. The connecting mechanism includes a fixed seat and a movable seat, the fixed seat is fixedly connected to the upper end of the base, the liquid outlet pipe is connected to the fixed seat, the movable seat is slidably connected to the upper end of the base, and the liquid inlet pipe is connected to the movable seat.

[0007] Furthermore, a first slider is fixedly connected to the lower end of the movable seat, a first slide groove is provided at the upper end of the base, the first slider is slidably adapted in the first slide groove, a motor is fixedly connected to one side of the base, a screw is fixedly connected to the output end of the motor, the screw is rotatably connected in the first slide groove, and the first slider is threadedly connected to the screw.

[0008] Furthermore, the liquid inlet pipe and the liquid outlet pipe are both connected with a sealing assembly, and the sealing assembly includes an annular sealing plate and a sealing tube. The liquid inlet pipe and the liquid infusion tube are fixedly connected to one side of the annular sealing plate on the sealing assembly, and the sealing tube is fixedly connected to the other side of the annular sealing plate.

[0009] Furthermore, a sealing sleeve is sleeved on the sealing tube, a sealing groove is provided on the annular sealing plate, and a sealing ring is fixed in the sealing groove.

[0010] Furthermore, the sealing sleeve and the sealing ring are made of rubber material.

[0011] Furthermore, it also includes a fastening component, which is symmetrically connected to the base, and the fastening component includes a fastener and a bolt. The fastener is slidably connected to the base, and a second slider is fixedly connected to the lower end of the fastener. A second slide groove is symmetrically provided on the base, and the second slide groove is slidably adapted in the second slide groove. The bolt is rotatably connected in the second slide groove, and the bolt is threadedly connected to the second slide groove. One end of the bolt is rotatably extended out of the outside of the base, and a knob is fixedly connected to one end of the bolt. A fastening ring is threadedly connected to the bolt, and the fastening ring contacts the outside of the base.

[0012] Furthermore, a fastening groove is provided on one side of the fastener, and the fastening groove is configured to be V-shaped.

[0013] The beneficial effects achieved by the utility model using the above structure are as follows:

[0014] 1: The output end of the motor drives the moving seat to move, and then drives the liquid inlet pipe to move, and then the sealing components on the liquid inlet pipe and the liquid outlet pipe are used to realize the clamping connection of the two ends of the flow meter. The connection method is simple and convenient, which can effectively improve the efficiency of flow meter calibration;

[0015] 2: Clamping and connecting the two ends of the flow meter through the sealing component can effectively ensure the sealing of the flow meter and improve the accuracy of the flow meter calibration;

[0016] 3: By clamping and fixing both sides of the flow meter with fastening components, the stability of the flow meter can be further improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the whole machine of the utility model.

[0018] Figure 2 It is an exploded view of the utility model.

[0019] Figure 3 This is a schematic diagram of the connection of the sealing component of the utility model.

[0020] Figure 4 This is a cross-sectional view of the sealing assembly connection of the utility model.

[0021] Description of reference numerals:

[0022] 1. Base, 101. First slide groove, 102. Second slide groove, 2. Connecting mechanism, 201. Fixed seat, 202. Moving seat, 203. First slider, 204. Motor, 205. Screw, 3. Fastening assembly, 301. Knob, 302. Bolt, 303. Fastening ring, 304. Fastener, 305. Second slider, 306. Fastening groove, 4. Liquid inlet pipe, 5. Liquid outlet pipe, 6. Sealing assembly, 601. Annular sealing plate, 602. Sealing groove, 603. Sealing ring, 604. Sealing tube, 605. Sealing sleeve. DETAILED DESCRIPTION

[0023] like Figure 1-4 As shown, a flow meter calibration device includes a base 1, and also includes a liquid inlet pipe 4, a liquid outlet pipe 5 and a connecting mechanism 2, wherein the connecting mechanism 2 is connected to the base 1, and the liquid inlet pipe 4 and the liquid outlet pipe 5 are connected to the connecting mechanism 2. The connecting mechanism 2 includes a fixed seat 201 and a movable seat 202, wherein the fixed seat 201 is fixedly connected to the upper end of the base 1, the liquid outlet pipe 5 is connected to the fixed seat 201, the movable seat 202 is slidably connected to the upper end of the base 1, and the liquid inlet pipe 4 is connected to the movable seat 202.

[0024] like Figure 2 As shown, in order to clamp and connect the flow meter, a first slider 203 is fixedly connected to the lower end of the movable seat 202, a first slide groove 101 is provided at the upper end of the base 1, the first slider 203 is slidably adapted in the first slide groove 101, a motor 204 is fixedly connected to one side of the base 1, a screw 205 is fixedly connected to the output end of the motor 204, the screw 205 is rotatably connected in the first slide groove 101, and the first slider 203 is threadedly connected to the screw 205.

[0025] like Figure 3 , 4 As shown, in order to achieve a sealed connection to the flow meter, the liquid inlet pipe 4 and the liquid outlet pipe 5 are both connected with a sealing assembly 6, and the sealing assembly 6 includes an annular sealing plate 601 and a sealing tube 604. The liquid inlet pipe 4 and the liquid infusion pipe are fixedly connected to one side of the annular sealing plate 601 on the sealing assembly 6, and the sealing tube 604 is fixedly connected to the other side of the annular sealing plate 601. A sealing sleeve 605 is sleeved on the sealing tube 604, and a sealing groove 602 is provided on the annular sealing plate 601. A sealing ring 603 is fixedly connected in the sealing groove 602, and the sealing sleeve 605 and the sealing ring 603 are made of rubber material.

[0026] like Figure 2As shown, in order to further improve the stability of the flow meter connection, a fastening component 3 is provided, and the fastening component 3 is symmetrically connected to the base 1. The fastening component 3 includes a fastener 304 and a bolt 302. The fastener 304 is slidably connected to the base 1, and a second slider 305 is fixedly connected to the lower end of the fastener 304. A second slide groove 102 is symmetrically provided on the base 1, and the second slider 305 is slidably adapted in the second slide groove 102. The bolt 302 is rotatably connected in the second slide groove 102, and the bolt 302 is threadedly connected to the second slider 305. One end of the bolt 302 is rotatably extended out of the outside of the base 1, and a knob 301 is fixedly connected to one end of the bolt 302. A fastening ring 303 is threadedly connected to the bolt 302, and the fastening ring 303 abuts against the outside of the base 1. A fastening groove 306 is provided on one side of the fastener 304, and the fastening groove 306 is set to be V-shaped.

[0027] When the utility model is in use, the flow meter is placed between the fixed seat 201 and the movable seat 202, and the output end of the motor 204 drives the screw rod 205 to rotate, thereby driving the first slider 203 to slide in the first slide groove 101, thereby driving the movable seat 202 to slide on the base 1, and then driving the liquid inlet pipe 4 to move, so that the sealing assembly 6 on the liquid inlet pipe 4 and the liquid outlet pipe 5 can achieve clamping connection of the two ends of the flow meter, and the sealing tube 604 extends into the flow meter to improve the sealing effect through the sealing sleeve 605. After the two ends of the flow meter abut against the annular sealing plate 601, the sealing is performed by squeezing the sealing ring 603. The knobs 301 in the fastening assembly 3 at both ends of the base 1 are rotated to drive the bolt 302 to rotate, thereby making the second slider 305 slide in the second slide groove 102, thereby making the fastener 304 slide on the base 1, and the flow meter is clamped and fastened through the fastening groove 306. The fastening ring 303 is rotated to abut against the outer side of the extruded base 1 to achieve the fixation of the bolt 302, and then the fastening assembly 3 is used to clamp and fasten the flow meter.

[0028] In summary: In the embodiment of the utility model, the output end of the motor 204 drives the moving seat 202 to move, and then drives the liquid inlet pipe 4 to move, and then the sealing components 6 on the liquid inlet pipe 4 and the liquid outlet pipe 5 are used to realize the clamping connection of the two ends of the flow meter. The connection method is simple and convenient, and can effectively improve the efficiency of the flow meter calibration. The two ends of the flow meter are clamped and connected by the sealing component 6, which can effectively ensure the sealing of the flow meter and improve the accuracy of the flow meter calibration. The two sides of the flow meter are clamped and fixed by the fastening component 3, which can further improve the stability of the flow meter.

[0029] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

Claims

1. A flow meter calibration device, comprising a base, characterized in that: The cam is connected to the base through a locking plate, the locking plate being connected to the locking cam and the locking cam being connected to the cam by a locking cam which is secured to the base with a locking cam which is secured to the base through a locking cam.

2. A flow meter calibration device according to claim 1, characterized in that: A first slider is fixedly connected to the lower end of the movable seat, a first slide groove is provided at the upper end of the base, the first slider is slidably adapted in the first slide groove, a motor is fixedly connected to one side of the base, a screw is fixedly connected to the output end of the motor, the screw is rotatably connected in the first slide groove, and the first slider is threadedly connected to the screw.

3. A flow meter calibration device according to claim 1, characterized in that: The liquid inlet pipe and the liquid outlet pipe are both connected with a sealing assembly, and the sealing assembly includes an annular sealing plate and a sealing tube. The liquid inlet pipe and the liquid infusion pipe are fixedly connected to one side of the annular sealing plate on the sealing assembly, and the sealing tube is fixedly connected to the other side of the annular sealing plate.

4. A flow meter calibration device according to claim 3, characterized in that: A sealing sleeve is sleeved on the sealing tube, a sealing groove is provided on the annular sealing plate, and a sealing ring is fixed in the sealing groove.

5. A flow meter calibration device according to claim 4, characterized in that: The sealing sleeve and the sealing ring are made of rubber material.

6. A flow meter calibration device according to claim 1, characterized in that: A fastening groove is provided on one side of the fastener, and the fastening groove is set to be V-shaped.

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