CN2384204Y

CN2384204Y - Magnetic induction float-type level meter

Info

Publication number: CN2384204Y
Application number: CN 99236292
Authority: CN
Inventors: 邝许芳
Original assignee: Individual
Current assignee: Individual
Priority date: 1999-06-11
Filing date: 1999-06-11
Publication date: 2000-06-21
Anticipated expiration: 2009-06-11

Abstract

The utility model relates to an improved liquid level display device, which is composed of a liquid level meter barrel, a floating ball guide rod device arranged in the barrel, a strong magnet arranged on a floating ball, a transparent buoy pipe filled with liquid, a magnetic buoy arranged in the pipe, and one to two communicating pipes which can be communicated with a liquid tank, wherein, the barrel body of the liquid level meter barrel is made of non-permeability magnetic material; the transparent buoy pipe is arranged on the outside of the liquid level meter barrel; the communicating pipes are arranged on the side of the liquid level meter barrel. When the liquid level of the liquid tank is lifted and lowered, the liquid level in the liquid level meter barrel and the floating ball follow to lift and lower; the strong magnet of the floating ball sucks the magnetic buoy to move up and down; the transparent buoy pipe is not communicated with the liquid tank, so requirements of safety and fire prevention can be met. The utility model is suitable to be used by liquid tanks made of various materials.

Description

Magnetic induction float type liquid level gauge

The utility model relates to a kind of improved liquid level display device, particularly a kind of magnetic induction float type liquid level gauge.

Communication type glass-tube liquid level meter safety inadequately is installed on the basin of fuel oil or corrosive liquids, if broken glass tube because of carelessness, fuel oil or corrosive liquids will spill, and cause fire or corrosivity destruction easily, can not satisfy fire prevention, safety requirements.

The purpose of this utility model provides the magnetic induction float type liquid level gauge that a kind of flow container that is suitable for various made is installed and used, even the clear glass tracheal rupture, fuel oil or corrosive liquids in the flow container can not flow out yet.It can satisfy fire prevention, safety requirements, and is very reliable, and cost is not high.

The utility model is achieved in that in a liquid level gauge bucket with non-magnet material manufacturing ladle body the ball float guide rod device with anti-rotation structure is housed, this guide rod is vertical or be approximately perpendicular to surface level, guide rod is equipped with ball float outward, can allow ball float along the upper and lower slippage of guide rod, can prevent that again ball float from rotating around guide rod simultaneously.Powerful magnet is housed on the ball float.The transparent float tube parallel with guide rod is equipped with in the outer place near the ball float magnet of liquid level gauge bucket, is filled with liquid in the pipe and is placed with the magnetic buoy, and the proportion of magnetic buoy is near the proportion of liquid in pipe.There is one to two communicating pipe that can be communicated with flow container liquid level gauge bucket side.

Ball float can be enclosed within guide rod outer (being that guide rod passes ball float), also can be contained in the guide rod side.

In order to guarantee that the powerful magnet on the ball float keeps strong magnetic effect to the magnetic buoy in the float tube, be provided with the floating ball preventing rotation structure: in the time of outside ball float is enclosed within guide rod, the shape of the xsect of the xsect of guide rod and ball float through hole causes non-positive circle, and big or small concavo-convex interworking, making guide rod block ball float from horizontal direction can not rotate.The xsect of guide rod and ball float can cause Any shape when ball float is contained in the guide rod side, and when being positive circle, ball float has rotation also can be stoped by the bucket wall slightly.

The liquid level gauge bucket can connect a base plate in the lower end of the pipe of one section non-magnet material system and be sealed to form.

Ball float is fabricated to good with non-magnet material.

If be communicated with the opening flow container, a lower communicating tube can only be adorned in liquid level gauge bucket side.If be communicated with airtight flow container, upper and lower two communicating pipe need be adorned in liquid level gauge bucket side.And the mouth of pipe of lower communicating tube must be lower than the liquid level that will detect, and the mouth of pipe of last communicating pipe must be higher than the liquid level that will detect.The transparent material manufacturing of transparent float tube is as clear glass, transparent plastic ... Deng.

Class of liquids in the transparent float tube does not have strict regulations, as: common oils, water, lubricating fluid ... Deng can, be good with lubricating fluid, but its viscosity is all unsuitable big, also should not be with inflammable or corrosive liquid.

Be connected with flow container earlier when using this liquid level gauge.

When storing liquid in the flow container, because of the effect of communicating pipe, just have the liquid of contour position in the liquid level gauge bucket, the ball float in the bucket also is raised to corresponding height, and the powerful magnet on the ball float attracts the magnetic buoy in the float tube to be in identical height.When ball float with the liquid level ascending, descending during upper and lower slippage, the magnetic buoy in the float tube also moves along with upper and lower.Observe the magnetic buoy position in the transparent float tube, just know the liquid level position in the flow container.

Advantage of the present utility model: be a kind of direct-reading liquid level gauge, be not communicated with between the transparent float tube of topping up and the liquid level gauge bucket, and also be not communicated with between the flow container, even float tube breaks, the small amount of liquid in just this pipe of outflow, and be not fuel oil or corrosive liquids.And do not flow out with the interior liquid of liquid level gauge bucket in the flow container, so as safe as a house reliable, can satisfy fire prevention and safety requirements, cost is not high yet.It is adapted at installing and using on the flow container of various made.

Be described further below in conjunction with drawings and Examples.

Fig. 1 is organigram of the present utility model (an I type);

Fig. 2 is the A-A cross-sectional schematic of the guide rod of I type when passing the ball float center;

The organigram of the present utility model that Fig. 3 is (II type);

Fig. 4 is the A1-A1 cross-sectional schematic of the guide rod of II type when passing the ball float non-central location.

Embodiment 1

As Fig. 1,2, respectively be welded with flange seat at the upper and lower end of the pipe 1a of a non-magnet material (this example stainless steel), at the dress base plate 1b of lower flange seat place, but become the bucket 1 of holding liquid.The upper and lower part, side of bucket respectively has the hole and is welded with flanged (FLGD) communicating pipe 8, and the upper and lower end of bucket respectively is equipped with a dismountable guide rod fixed head 10,11, the guide rod 2 usefulness screws that square cross section is arranged is fixed on the central authorities of upper and lower guide rod fixed head.Guide rod is with the ball float 3 of band central through hole outward, and the xsect of this central through hole also is square, just is slightly larger than the square cross section of guide rod, and like this, ball float can not rotate around guide rod along the upper and lower slippage of guide rod.Ball float is made with non-magnet material (this example stainless steel).A powerful magnet 4 is equipped with in the ball float outside, the transparent float tube 5 parallel with guide rod (this example lucite pipe) is equipped with in bucket 1 outer position near the ball float magnet, the sealing of pipe lower end, be placed with magnetic buoy 7 (this example is to adorn small magnet in the hollow bead of stainless steel) in the pipe, and being filled with liquid 6 (this example lubricating oil) in the pipe, the proportion of magnetic buoy is slightly larger than the proportion of liquid in pipe.

In addition, base plate 1b can drive mudhole and dress blowoff valve.But attaching one gas outlet on the upper flange seat.

Embodiment 2

As Fig. 3,4, the main difference point of present embodiment and example 1 is: save the guide rod fixed head, directly guide rod 2 is welded on the inwall of liquid level gauge ladle body 1a, be provided with recess near the edge part on the ball float 3, guide rod is just at the recess place of ball float, and ball float can be along the upper and lower slippage of guide rod.In this case, the shape of the xsect of guide rod, ball float can be an Any shape, shown in Fig. 3,4, be respectively positive circular and semicircle, guide rod itself can not stop the ball float rotation, but as long as ball float rotates the inwall that will meet ladle body 1a a little, is stoped rotation by inwall, also reach the purpose of anti-rotation, other structures are identical with example 1.

Claims

1, a kind of magnetic induction float type liquid level gauge, it is characterized in that in the liquid level gauge bucket (1) of making ladle body (1a) with non-magnet material the ball float guide rod device with anti-rotation structure being housed, guide rod (2) is vertical or be approximately perpendicular to surface level, guide rod is equipped with ball float (3) outward, can allow ball float along on the guide rod, following slippage, simultaneously can prevent that again ball float from rotating around guide rod, powerful magnet (4) is housed on the ball float, the transparent float tube (5) parallel with guide rod is equipped with in the outer place near the ball float magnet of liquid level gauge bucket, be filled with liquid (6) in the pipe and be placed with magnetic buoy (7), the proportion of magnetic buoy is near the proportion of liquid in pipe, and there is one to two communicating pipe (8) that can be communicated with flow container liquid level gauge bucket side.

2, liquid level gauge according to claim 1, when it is characterized in that outside ball float is enclosed within guide rod, anti-rotation structure is: the shape of the xsect of the xsect of guide rod (1) and ball float (2) through hole causes non-positive circle, and big or small, concavo-convex interworking, making guide rod block ball float from horizontal direction can not rotate.

3, liquid level gauge according to claim 1 is characterized in that the proportion of the magnetic buoy (7) in the transparent float tube (5) is slightly larger than the proportion of liquid in pipe (6).