CN218097870U

CN218097870U - Plastic turbine flowmeter

Info

Publication number: CN218097870U
Application number: CN202221940558.4U
Authority: CN
Inventors: 乔新凯; 王士朋
Original assignee: Kaifeng Best Instrument Co ltd
Current assignee: Kaifeng Best Instrument Co ltd
Priority date: 2022-07-26
Filing date: 2022-07-26
Publication date: 2022-12-20
Anticipated expiration: 2032-07-26

Abstract

The utility model discloses a plastics turbine flowmeter relates to turbine flowmeter technical field, including the flowmeter casing, install the caliber on the flowmeter casing, be provided with in the flowmeter casing and be used for flow measurement's measuring mechanism and be used for filtering fluidic filtration, fixed intercommunication has the blow off pipe on the flowmeter casing, and measuring mechanism includes two connecting axles, and equal fixedly connected with is the guide plate of circumference array on two connecting axles, and guide plate fixed connection is in the inner wall of flowmeter casing. The utility model relates to a rational in infrastructure, it passes through the effect before measuring mechanism and the caliber, can reach the effect to fluid flow measurement in the flowmeter casing, can filter the fluid through in the flowmeter casing through filter mechanism to under the effect of blow off pipe, can clean the debris of crossing off and filter, avoid debris to cause the damage to the measuring mechanism inner part in entering into measuring mechanism, extended turbine flowmeter's life.

Description

Plastic turbine flowmeter

Technical Field

The utility model relates to a turbine flowmeter technical field specifically is a plastics turbine flowmeter.

Background

The turbine flowmeter is a speed type flow meter with temperature and pressure compensation functions, belongs to one type of speed type flowmeters, and has the working principle that: the power of the flowing fluid drives the turbine blades to rotate at a speed approximately proportional to the volumetric flow rate, the volumetric indication of the fluid through the meter is based on the number of revolutions of the turbine wheel, and a plastic turbine meter is available on the market for reducing the weight and production cost of the turbine meter.

The plastic material is adopted as the main material of the vortex flowmeter, so that the corrosion resistance of the internal structure of the vortex flowmeter is lower than that of the structure made of the metal material, and impurities mixed in the fluid of the turbine flowmeter are difficult to isolate when in use, so that certain damage is easily caused to internal parts, and the service life of the turbine flowmeter is influenced. To this end, we provide a plastic turbine flowmeter that solves the above problems.

SUMMERY OF THE UTILITY MODEL

One) technical problem to be solved

The utility model aims at providing a plastics turbine flowmeter for remedy prior art not enough.

II) technical scheme

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a plastics turbine flowmeter, includes the flowmeter casing, install the caliber on the flowmeter casing, be provided with in the flowmeter casing and be used for flow measurement's measuring mechanism and be used for filtering fluidic filtration, the last fixed intercommunication of flowmeter casing has the blow off pipe.

The measuring mechanism comprises two connecting shafts, two guide plates which are circumferentially arrayed are fixedly connected to the connecting shafts, the guide plates are fixedly connected to the inner wall of the flowmeter shell, a rotating shaft is arranged between the connecting shafts, the two ends of the rotating shaft are respectively connected with the two connecting shafts in a rotating mode, and turbines are fixedly connected to the rotating shaft.

The filtering mechanism comprises an assembly groove arranged in the flowmeter shell, an installation block and a fixed sleeve are arranged in the assembly groove, the fixed sleeve is in threaded connection with the assembly groove, and a filter screen is embedded in the installation block.

Furthermore, a slot and a fixed slot are formed in the mounting block, an insertion block and a sealing gasket are arranged in the assembly slot, the insertion block is matched with the slot, the insertion block is fixedly connected to the inner wall of the assembly slot, and the sealing gasket is matched with the fixed slot.

Furthermore, the inner ring of the fixed sleeve is fixedly connected with a handheld block, the flowmeter shell is fixedly connected with two mounting rings, and the mounting holes are formed in the two mounting rings.

Thirdly), the beneficial effects are as follows:

compared with the prior art, the plastic turbine flowmeter has the following beneficial effects:

the utility model discloses a cooperation setting between caliber, measuring mechanism, filtering mechanism and the blow off pipe, through the effect before measuring mechanism and the caliber, can reach the effect to fluid flow measurement in the flowmeter casing, can filter the fluid through in the flowmeter casing through filtering mechanism to under the effect of blow off pipe, can clean the debris that cross the filtration and cross, avoid debris to enter into and cause the damage to measuring mechanism interior part in the measuring mechanism, extended turbine flow meter's life.

Drawings

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

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

fig. 3 is an enlarged schematic view of the structure a in fig. 2 according to the present invention.

In the figure: 1. a flow meter housing; 2. a mounting ring; 3. mounting holes; 4. a measurer; 5. a blow-off pipe; 6. assembling the groove; 7. a connecting shaft; 8. a rotating shaft; 9. a turbine; 10. a baffle; 11. mounting a block; 12. a filter screen; 13. inserting a block; 14. a slot; 15. a fixing groove; 16. sealing gaskets; 17. fixing the sleeve; 18. and (4) a handheld block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-3, the utility model provides a technical solution: the utility model provides a plastics turbine flowmeter, includes flowmeter housing 1, installs caliber 4 on flowmeter housing 1, is provided with the filtering structure who is used for flow measuring's measuring mechanism and is used for filtering fluidic in the flowmeter housing 1, and the last fixed intercommunication of flowmeter housing 1 has blow off pipe 5, and blow off pipe 5 is located the one side that measuring mechanism was kept away from to filtering mechanism to fluid gets into flowmeter housing 1's inside from filtering mechanism.

Measuring mechanism includes two connecting axles 7, equal fixedly connected with is the guide plate 10 of circumference array on two connecting axles 7, and guide plate 10 fixed connection is in flowmeter casing 1's inner wall, utilize guide plate 10 to shunt the fluid, played the effect of fluid reposition of redundant personnel, be provided with pivot 8 between two connecting axles 7, and the both ends of pivot 8 rotate with two connecting axles 7 respectively and be connected, fixedly connected with turbine 9 on the pivot 8, utilize turbine 9's rotation to realize the measurement to the fluid flow.

The filter mechanism is including offering the assembly groove 6 in flowmeter casing 1, be provided with installation piece 11 and fixed sleeve 17 in the assembly groove 6, and fixed sleeve 17 and assembly groove 6 threaded connection, assembly groove 6 divides into two sections, the left side section of blow off pipe 5 is for not having the screw thread, the right side section of blow off pipe 5 is for possessing the screw thread, place installation piece 11 behind the inside of assembly groove 6, can twist the inside of assembly groove 6 with fixed sleeve 17 spiral, and then fix installation piece 11 between assembly groove 6 and fixed sleeve 17, it has filter screen 12 to inlay in the installation piece 11, slot 14 and fixed slot 15 have been seted up on the installation piece 11, be provided with inserted block 13 and seal gasket 16 in the assembly groove 6, inserted block 13 and slot 14 looks adaptation, and inserted block 13 fixed connection is in the inner wall of assembly groove 6, seal gasket 16 and fixed slot 15 looks adaptation, utilize seal gasket 16 and fixed slot 15 can strengthen the leakproofness between installation piece 11 and the assembly groove 6, the handheld piece 18 of the inner circle fixedly connected with of fixed sleeve 17, carry out the rotatory dismouting to fixed sleeve 17 through handheld piece 18 convenience, casing 1 is last two fixedly connected with two collars 2, install the downthehole 2 and all seted up.

The working principle is as follows: before installation, firstly, a sealing gasket 16 is placed inside a fixing groove 15, then an installation block 11 is placed inside an assembly groove 6, at the moment, the installation block 11 is inserted into an insertion block 13 through an insertion groove 14, a fixing sleeve 17 is spirally inserted into the assembly groove 6 through a handheld block 18, the installation block 11 can be fixed between the fixing sleeve 17 and the assembly groove 6, during installation, the flowmeter shell 1 can be communicated with an external pipeline through an installation ring 2 and an installation hole 3, during testing, fluid firstly enters the assembly groove 6, under the action of a filter screen 12, the impurities in the fluid are filtered, under the action of a drain pipe 5, the filtered impurities can be cleaned, the impurities are prevented from entering the measurement mechanism to damage parts in the measurement mechanism, the service life of a turbine flowmeter is prolonged, the filtered fluid enters the flowmeter shell 1, under the action of a guide plate 10, the fluid drives a turbine 9 on a rotating shaft 8 to rotate, and the flow of the fluid can be measured through a measurer 4.

Claims

1. A plastic turbine flowmeter comprising a flowmeter housing (1), characterized by: a measurer (4) is installed on the flowmeter shell (1), a measuring mechanism for measuring flow and a filtering mechanism for filtering fluid are arranged in the flowmeter shell (1), and a drain pipe (5) is fixedly communicated with the flowmeter shell (1);

the measuring mechanism comprises two connecting shafts (7), guide plates (10) in a circumferential array are fixedly connected to the two connecting shafts (7), the guide plates (10) are fixedly connected to the inner wall of the flowmeter shell (1), a rotating shaft (8) is arranged between the two connecting shafts (7), two ends of the rotating shaft (8) are rotatably connected with the two connecting shafts (7) respectively, and a turbine (9) is fixedly connected to the rotating shaft (8);

the filtering mechanism comprises an assembly groove (6) formed in the flowmeter shell (1), an installation block (11) and a fixed sleeve (17) are arranged in the assembly groove (6), the fixed sleeve (17) is in threaded connection with the assembly groove (6), and a filter screen (12) is embedded in the installation block (11).

2. The plastic turbine flowmeter of claim 1, wherein: the mounting block (11) is provided with a slot (14) and a fixing slot (15), an inserting block (13) and a sealing gasket (16) are arranged in the assembling slot (6), the inserting block (13) is matched with the slot (14), the inserting block (13) is fixedly connected to the inner wall of the assembling slot (6), and the sealing gasket (16) is matched with the fixing slot (15).

3. The plastic turbine flowmeter of claim 1, characterized in that: the inner ring of the fixed sleeve (17) is fixedly connected with a handheld block (18), the flowmeter shell (1) is fixedly connected with two mounting rings (2), and mounting holes (3) are formed in the two mounting rings (2).