CN208026332U - It is a kind of that there is the metallic rotameter for preventing backflow functionality - Google Patents

Abstract

The utility model discloses a kind of metallic rotameters for having and preventing backflow functionality, including steel pipe, the inside upper and lower ends of the steel pipe are respectively and fixedly provided with backstop and lower backstop, cavity is offered in the lower backstop, it is fixed with the first rotary block and fixture block on the cavity inner wall, first rotary block matches with fixture block, the upper end of the upper backstop is fixed with semi-permeable membrane, it is socketed with float in the upper backstop and lower backstop, the top of the float is respectively set to tip-angled shape and ramped shaped with top, the inner upper end of the steel pipe is fixed with baffle, several the second rotary blocks are rotatablely equipped on the baffle.The utility model is simple in structure, reasonable design and easy to operate, can prevent the reflux of water in flowmeter, ensure the accuracy of meter readings.

Description

It is a kind of that there is the metallic rotameter for preventing backflow functionality

Technical field

The utility model is related to metallic rotameter technical fields, specially a kind of to have the metal for preventing backflow functionality Spinner flowmeter.

Background technology

It needs the flow to water in machine to be measured in real time in production, in most cases how much uses metallic rotator Flowmeter carries out the task of this inspection, and common metallic rotameter all not no functions of anti-return, causes one Cause the water in steel pipe to flow back under a little abnormal conditions, the reading of flowmeter is made error occur, if finding not in time, only very little Error also can infinitely be amplified, there is the mistake of bigger, it is therefore desirable to design it is a kind of have prevent backflow functionality metal turn Subflow gauge, to solve the above problems.

Utility model content

The purpose of this utility model is to provide a kind of metallic rotameters for having and preventing backflow functionality, in solution State the problem of being proposed in background technology.

To achieve the above object, the utility model provides following design scheme：It is a kind of that there is the metal for preventing backflow functionality Spinner flowmeter, including steel pipe, the inside upper and lower ends of the steel pipe are respectively and fixedly provided with backstop and lower backstop, in the lower backstop Cavity is offered, the first rotary block and fixture block, first rotary block and fixture block phase are fixed on the cavity inner wall Match, the upper end of the upper backstop is fixed with semi-permeable membrane, and float, the top of the float are socketed in the upper backstop and lower backstop It is respectively set to tip-angled shape and ramped shaped with top, the inner upper end of the steel pipe is fixed with baffle, peace is rotated on the baffle Equipped with several the second rotary blocks.

Preferably, steel pipe upper and lower ends periphery is socketed with flange.

Preferably, the upper end length of the float is the 0.8 of upper stop length.

Preferably, second rotary block is designed as triangle, and Front-end Design has inclination angle, the second rotation gear Block matches with baffle.

Preferably, the cavity altogether there are four, and around being evenly distributed on.

Compared with prior art, the utility model has the beneficial effects that：The utility model is a kind of with anti-backflow work( The metallic rotameter of energy, it is simple and practical, easy to operate, the reflux of water in flowmeter can be prevented, ensures meter readings Accuracy, the first rotary block of design, the second rotary block and semi-permeable membrane can prevent the reflux of water, the top of float with Top is respectively set to tip-angled shape and ramped shaped, can reduce water in reflux, cause float variation excessive.

Description of the drawings

Fig. 1 is the utility model section view；

Fig. 2 is the utility model baffle arrangement schematic diagram；

Fig. 3 is structural schematic diagram at A in the utility model Fig. 1；

Fig. 4 is backstop vertical view under the utility model figure.

In figure：1 baffle, backstop, 3 times backstops, 4 flanges, 5 steel pipes, 6 semi-permeable membranes, 7 floats, 8 second rotary blocks, 9 on 2 Cavity, 10 fixture blocks, 11 first rotary blocks.

Specific implementation mode

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work The every other embodiment obtained, shall fall within the protection scope of the present invention.

In the description of this practicality, it should be noted that the orientation of the instructions such as term "vertical", "upper", "lower", "horizontal" or Person's position relationship is orientation based on ... shown in the drawings or position relationship, is merely for convenience of describing this practicality and simplify to describe, Rather than instruction either implies that signified device or element must have a particular orientation, with specific azimuth configuration and behaviour Make, therefore should not be understood as the limitation to this practicality.In addition, " first ", " second ", " third ", " the 4th " are only used for description mesh , and should not be understood as indicating or implying relative importance.

In the description of this practicality, it is also necessary to explanation, unless otherwise specific regulation and limitation, term " setting ", " peace Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection can be mechanical connection, can also be electrical connection, can be directly connected to, and can also be to be connected by intermediary, can To be the connection inside two elements.For the ordinary skill in the art, can understand as the case may be above-mentioned Concrete meaning of the term in this practicality.

- 4 are please referred to Fig.1, the utility model provides a kind of technical solution：It is a kind of that there is the metallic rotator for preventing backflow functionality Flowmeter, including steel pipe 5,5 upper and lower ends periphery of the steel pipe are socketed with flange 4, convenient for being connect with other pipelines, the steel The inside upper and lower ends of pipe 5 are respectively and fixedly provided with backstop 2 and lower backstop 3, and cavity 9, the cavity 9 are offered in the lower backstop 3 There are four altogether, and around being evenly distributed on, the first rotary block 11 and fixture block 10 are fixed on 9 inner wall of the cavity, it is described First rotary block 11 matches with fixture block 10, can prevent water in steel pipe 5 from flowing back into other pipelines, the upper backstop 2 is under Float 7 is socketed in backstop 3, top and the top of the float 7 are respectively set to tip-angled shape and ramped shaped, can reduce water and exist When reflux, cause float 7 to change excessive, the upper end length of the float 7 is the 0.8 of 2 length of upper backstop, avoid because float 7 with The contact of semi-permeable membrane 6, leads to the damage of semi-permeable membrane 6, and the upper end of the upper backstop 2 is fixed with semi-permeable membrane 6, the steel pipe 5 it is interior Portion upper end is fixed with baffle 1, several the second rotary blocks 8, second rotary block 8 are rotatablely equipped on the baffle 1 It is designed as triangle, and Front-end Design has inclination angle, second rotary block 8 to match with baffle 1, can prevent other pipes Road Nei Shui is flowed back into steel pipe 5, influences the detection of float 7.

Operation principle：When water flows back in steel pipe 5, the first rotary block 11 is made to be rotated down with the second rotary block 8, point It is not clamped with fixture block 10 and baffle 1, forms enclosure space, the reflux of water is prevented, when 5 internal water of steel pipe flows back, because of float 7 Top and top be respectively set to tip-angled shape and ramped shaped, the impulse force suffered by float 7 can be reduced, float 7 is avoided to change It is excessive, cause detection to malfunction.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.

Claims (5)

1. a kind of having the metallic rotameter for preventing backflow functionality, including steel pipe (5), it is characterised in that：The steel pipe (5) Inside upper and lower ends be respectively and fixedly provided with backstop (2) and lower backstop (3), offer cavity (9) on the lower backstop (3), it is described The first rotary block (11) and fixture block (10), first rotary block (11) and fixture block (10) are fixed on cavity (9) inner wall Match, the upper end of the upper backstop (2) is fixed with semi-permeable membrane (6), the upper backstop (2) be socketed on lower backstop (3) it is floating Sub (7), top and the top of the float (7) are respectively set to tip-angled shape and ramped shaped, and the inner upper end of the steel pipe (5) is solid Surely there is baffle (1), several second rotary blocks (8) are rotatablely equipped on the baffle (1).

2. according to claim 1 a kind of with the metallic rotameter for preventing backflow functionality, it is characterised in that：It is described Steel pipe (5) upper and lower ends periphery is socketed with flange (4).

3. according to claim 1 a kind of with the metallic rotameter for preventing backflow functionality, it is characterised in that：It is described The upper end length of float (7) is the 0.8 of upper backstop (2) length.

4. according to claim 1 a kind of with the metallic rotameter for preventing backflow functionality, it is characterised in that：It is described Second rotary block (8) is designed as triangle, and Front-end Design has inclination angle, second rotary block (8) and baffle (1) phase Matching.

5. according to claim 1 a kind of with the metallic rotameter for preventing backflow functionality, it is characterised in that：It is described Cavity (9) altogether there are four, and around being evenly distributed on.