CN214308959U - Impeller flowmeter - Google Patents

Abstract

The utility model discloses an impeller flowmeter, including the casing, the inside fixed mounting of carousel has a plurality of first pivots, and the outside of a plurality of first pivots is all fixed the cup joint and is had the second blade, one side fixedly connected with second pivot of second blade bottom, and first blade has been cup jointed to the outside of second pivot, one side fixedly connected with buffer beam at first blade middle part, and the inside fixed connection of the bottom of buffer beam and carousel. The utility model discloses casing and mount pad detachable design, conveniently change and maintain the impeller, all set up mount pad and impeller in the both sides of casing simultaneously, can detect the casing inner wall both sides velocity of flow, measuring taking the average value, it is more accurate to measure, the needle is scraped to inside being equipped with of mount pad simultaneously, can clear up the impurity of adhesion on the impeller, the cooperation gathers materials the convenient clearance waste material of shell, the impeller is the collapsible impeller of double-disc formula impeller, the impact of rivers has been reduced, and the intensity of blade has been promoted, be difficult to damage.

Description

Impeller flowmeter

Technical Field

The utility model relates to an impeller flowmeter, in particular to impeller flowmeter belongs to flowmeter technical field.

Background

The flowmeter is one of important meters in industrial measurement, is commonly used in the market at present and is used for measuring the volume flow of liquid which is filled in a closed pipeline and continuously flows, but the liquid with low viscosity and corrosion resistance is not easy to measure, along with the development and progress of industrial production, the requirements on the accuracy and the range of flow measurement are higher and higher, the flow measurement technology is different day by day, and various types of flowmeters are successively produced in order to adapt to various purposes; the number of the flow meters put into use at present exceeds 100; the existing impeller flowmeter belongs to a mature technology, and mainly relates to a flowmeter applied to the fields of petroleum, chemical engineering, smelting and the like. The magnetic flux in the detecting coil is periodically changed to generate periodic induced potential, i.e. electric grazing signal, which is amplified by amplifier and then sent to display instrument for display.

The invention discloses a scraping impeller flowmeter with the publication number of CN107621291A, which effectively solves the technical problems that the traditional impeller flowmeter has high processing difficulty and cost, the measurement precision is increased by the external influence, and liquid is easy to flow back and leak back in the rotating process of the impeller and the stirring is larger; the publication No. CN107036663A discloses a soft impeller flowmeter, which has the characteristics of high measurement precision, low installation cost and suitability for fluid measurement in various complex environments; the publication No. CN 106500778A discloses an impeller type does not have magnetism flowmeter, through designing multistage sealing washer, has realized the multistage waterproof sealing of flowmeter, and overall design is compact, ingenious, under the condition of no screw fixation, realizes multistage sealing through the mode of rotational positioning, has accomplished the IP67 protection to circuit and sensor, and the impeller structure is unique, operates steadily, and the inception flow is low, and range ratio and measuring sensitivity are high.

The existing impeller flowmeter is generally provided with an impeller on one side of a shell, the impeller and the shell are fixedly arranged and cannot be detached, the roughness of two sides of the inner wall of the shell is different from the design curvature, the flow velocity of fluid close to two sides of the inner wall of the shell is inconsistent, the unilateral measurement has measurement deviation, and an impurity removal device is not cleaned inside the impeller, so that the impeller flowmeter is used for a long time, and external impurities are adhered on blades to influence the rotation of the blades and influence the measurement.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an impeller flowmeter to solve the current impeller flowmeter who provides among the above-mentioned background art and generally set up the impeller in one side of casing, and impeller and the fixed setting of casing, can not dismantle, because shells inner wall both sides roughness is different with the design curvature, the fluid flow rate inconsistent who is close to shells inner wall both sides, unilateral measurement exists the deviation of surveying, and inside does not clear up and goes miscellaneous device, long-time the use, outside impurity adhesion is on the blade, cause the influence to the rotation of blade, influence measuring problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an impeller flowmeter, includes the casing, the middle part on casing top and the equal fixed mounting in middle part of bottom have the mount pad, the fixed bull stick that is equipped with in inside of mount pad, the impeller has been cup jointed in the outside activity of bull stick, the impeller comprises carousel, first blade, second blade and buffer beam, the inside fixed mounting of carousel has a plurality of first pivots, and is a plurality of the outside of first pivot is all fixed the cup joint has the second blade, one side fixedly connected with second pivot of second blade bottom, first blade has been cup jointed to the outside of second pivot, one side fixedly connected with buffer beam at first blade middle part, just the bottom of buffer beam and the inside fixed connection of carousel.

As an optimized technical scheme of the utility model, the chute has been seted up to the avris of first blade.

As an optimal technical scheme of the utility model, one side fixed mounting at casing top has flow signal sensor.

As a preferred technical scheme of the utility model, the one end fixedly connected with inlet tube of casing, the other end fixed mounting of casing has the outlet pipe.

As a preferred technical scheme of the utility model, the inside groove has been seted up to the inside of mount pad, the inside fixed mounting of inside groove has two horizontal poles, two the equal fixedly connected with riser in both sides on horizontal pole top, one side fixed mounting of riser has the needle of scraping.

As a preferred technical scheme of the utility model, logical groove has been seted up to one side of horizontal pole, the outside fixedly connected with shell that gathers materials of mount pad, just the shell that gathers materials communicates with each other with leading to the groove.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model relates to an impeller flowmeter, casing and mount pad detachable design, conveniently change and maintain the impeller, all set up mount pad and impeller in the both sides of casing simultaneously, can detect the casing inner wall both sides velocity of flow, measuring taking the average value, it is more accurate to measure, the needle is scraped to inside being equipped with of mount pad simultaneously, can clear up the impurity of adhesion on the impeller, the cooperation gathers materials the convenient clearance waste material of shell, the impeller is the collapsible impeller of double-disc formula impeller, the impact of rivers has been reduced, and the intensity of blade has been promoted, be difficult to damage.

Drawings

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

FIG. 2 is a schematic structural view of an impeller of the present invention;

fig. 3 is a schematic view of the internal structure of the middle mounting seat of the present invention.

In the figure: 1. a housing; 2. a mounting seat; 3. an aggregate shell; 4. a flow signal sensor; 5. a water inlet pipe; 6. a rotating rod; 7. an impeller; 8. a water outlet pipe; 9. a first blade; 10. a chute; 11. a buffer rod; 12. a cross bar; 13. a vertical plate; 14. scraping a needle; 15. an inner tank; 16. a second blade; 17. a turntable.

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.

Embodiment 1 is as shown in fig. 1-2, an impeller flowmeter, including casing 1, casing 1 top's middle part and the middle part of bottom are equal fixed mounting has mount pad 2, the inside of mount pad 2 is fixed and is equipped with bull stick 6, bull stick 6's outside activity has cup jointed impeller 7, impeller 7 is by carousel 17, first blade 9, second blade 16 and buffer beam 11 are constituteed, the inside fixed mounting of carousel 17 has a plurality of first pivots, the outside of a plurality of first pivots has all cup jointed second blade 16, one side fixedly connected with second pivot of second blade 16 bottom, first blade 9 has been cup jointed to the outside of second pivot, one side fixedly connected with buffer beam 11 at first blade 9 middle part, and the bottom of buffer beam 11 and the inside fixed connection of carousel 17.

In example 2, as shown in fig. 2, an inclined groove 10 is formed on the side of the first blade 9 in addition to example 1.

Embodiment 3 as shown in fig. 1, a flow rate signal sensor 4 is fixedly mounted on one side of the top of the housing 1 in addition to embodiment 1.

Embodiment 4 as shown in fig. 1, on the basis of embodiment 1, one end of the housing 1 is fixedly connected with a water inlet pipe 5, and the other end of the housing 1 is fixedly provided with a water outlet pipe 8.

In embodiment 5, as shown in fig. 3, an inner groove 15 is formed in the mounting base 2, two cross bars 12 are fixedly mounted in the inner groove 15, vertical plates 13 are fixedly connected to two sides of the top ends of the two cross bars 12, and a scraping needle 14 is fixedly mounted on one side of the vertical plate 13 on the basis of embodiment 1.

In embodiment 6, on the basis of embodiment 5, as shown in fig. 1 and 3, a through groove is formed in one side of the cross bar 12, the aggregate shell 3 is fixedly connected to the outer side of the mounting seat 2, and the aggregate shell 3 is communicated with the through groove.

Embodiment 7 is as shown in fig. 1 to 3, the impeller flowmeter includes a casing 1, where a mounting base 2 is fixedly mounted in the middle of the top end and the middle of the bottom end of the casing 1, a rotating rod 6 is fixedly mounted in the mounting base 2, an impeller 7 is movably sleeved on the outside of the rotating rod 6, the impeller 7 is composed of a turntable 17, first blades 9, second blades 16 and a buffer rod 11, a plurality of first rotating shafts are fixedly mounted in the turntable 17, the second blades 16 are fixedly sleeved on the outside of the first rotating shafts, one side of the bottom of the second blades 16 is fixedly connected with a second rotating shaft, the first blades 9 are sleeved on the outside of the second rotating shaft, the buffer rod 11 is fixedly connected to one side of the middle of the first blades 9, the bottom end of the buffer rod 11 is fixedly connected to the inside of the turntable 17, and a chute 10 is formed in the side of the first blades 9;

one side fixed mounting at 1 top of casing has flow signal sensor 4, the one end fixedly connected with inlet tube 5 of casing 1, the other end fixed mounting of casing 1 has outlet pipe 8, inside groove 15 has been seted up to the inside of mount pad 2, the inside fixed mounting of inside groove 15 has two horizontal poles 12, the equal fixedly connected with riser 13 in both sides on two horizontal poles 12 tops, one side fixed mounting of riser 13 scrapes needle 14, logical groove has been seted up to one side of horizontal pole 12, the outside fixedly connected with of mount pad 2 gathers materials shell 3, and it communicates with each other with logical groove to gather materials shell 3.

When in specific use, the utility model relates to an impeller flowmeter, the casing 1 and the mounting seat 2 can be disassembled for design, the impeller 7 in the casing 1 can be conveniently replaced and maintained, the mounting seat 2 and the impeller 7 are arranged on both sides of the casing 1, the flow velocity on both sides of the inner wall of the casing 1 can be detected, the average value is taken for measurement, the measurement is more accurate, the scraping needle 14 is arranged in the mounting seat 2, when the impeller 7 rotates and passes through the scraping needle 14, the impurities adhered on the impeller 7 can be cleaned, the waste material can be conveniently cleaned by matching with the collecting shell 3, the impeller 7 is a double-piece retractable impeller 7, on one hand, the impact of water flow is reduced, on the other hand, the strength of the blade is also improved, the blade is not easy to be damaged, the flow signal sensor 4 is a magneto-electricity sensor, during operation, the impeller 7 generates a magnetic induction pulse signal by cutting a magnetic induction line, the magneto-electricity sensor converts the magnetic induction pulse signal into an electric signal, and displaying the electrical signal through the fluid flow data.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. An impeller flowmeter comprises a shell (1) and is characterized in that the middle of the top end and the middle of the bottom end of the shell (1) are both fixedly provided with a mounting seat (2), a rotating rod (6) is fixedly arranged inside the mounting seat (2), an impeller (7) is movably sleeved outside the rotating rod (6), the impeller (7) consists of a rotating disc (17), a first blade (9), a second blade (16) and a buffer rod (11), a plurality of first rotating shafts are fixedly arranged inside the rotating disc (17), second blades (16) are fixedly sleeved outside the first rotating shafts, one side of the bottom of the second blade (16) is fixedly connected with a second rotating shaft, the outside of the second rotating shaft is sleeved with the first blade (9), one side of the middle part of the first blade (9) is fixedly connected with a buffer rod (11), and the bottom end of the buffer rod (11) is fixedly connected with the inside of the turntable (17).

2. An impeller flow meter according to claim 1, wherein: the side of the first blade (9) is provided with a chute (10).

3. An impeller flow meter according to claim 1, wherein: and a flow signal sensor (4) is fixedly mounted on one side of the top of the shell (1).

4. An impeller flow meter according to claim 1, wherein: one end fixedly connected with inlet tube (5) of casing (1), the other end fixed mounting of casing (1) has outlet pipe (8).

5. An impeller flow meter according to claim 1, wherein: an inner groove (15) is formed in the mounting seat (2), two transverse rods (12) are fixedly mounted in the inner groove (15), vertical plates (13) are fixedly connected to the two sides of the top ends of the transverse rods (12), and scraping needles (14) are fixedly mounted on one sides of the vertical plates (13).

6. An impeller flow meter according to claim 5, wherein: a through groove is formed in one side of the cross rod (12), a material collecting shell (3) is fixedly connected to the outer side of the mounting seat (2), and the material collecting shell (3) is communicated with the through groove.

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